concise manual rcvc.1.4 eng pdf

EU Importer & Maintenance • Jinlong Europe • Zandvoorstraat 10/6 • 2800 Mechelen• Belgium Tel.: ++ 32/15 285454 – Fax: ++32/15 209680 • Jinlong Europe UK & Ireland • 2nd Floor, Titan Court, 3 Bishop Square - Hatfield• AL10 9NA Hertfordshire• U.K. Tel: ++ 44/1707 226 522 – Fax: ++44/1707 226 001 Manufacturer: Fushun Yongmao Construction Machinery C° Ltd. China

ST70/30 TOWER CRANE

CONCISE MANUAL

ST70/30 CONCISE TOWER CRANE MANUAL

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ST70/30


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STT293

ST70/30 VERKORTE HANDLEIDING TORENKRAAN

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STT113

ST70/30 VERKORTE HANDLEIDING TORENKRAAN

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STT403


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PREFACE

Dear Customer

Jinlong Europe, a revolutionary evolution!

Reliability, quality, safety, and high technology are the success of Yongmao’s tower cranes all over the world.

In Europe all our cranes are CE approved. This is the result of a constant technological research.

Cranes with a proven concept, lighter structures can use smaller, mobile cranes during mounting and dismounting.

Because of our relentless efforts to improve our products, technical updates are from time to time necessary. Therefore, the technical data in this manual are subject to change without warning.

Jinlong tower cranes, a revolutionary evolution.

Jinlong Europe Zandvoorstraat 10/6

2800 Mechelen• Belgium Tel: ++ 32/15 28 54 54 – Fax: ++32/15 20 96 80

Jinlong Europe UK & Ireland

2nd Floor, Titan Court, 3 Bishop Square – Hatfield

AL10 9NA Hertfordshire

U.K.

Tel.: ++ 44/1707 226 522 – Fax: ++44/1707 226 001

-7- RCV.1.4.ENG

TABLE OF CONTENTS CHAPTER 1. TECHNICAL DATA ........................................................................................9

1.1. SPECIFICATIONS................................................................................................................................................... 10

1.2. PREPARING THE CONSTRUCTION SITE ...................................................................................................... 14 1.2.1. SPACE REQUIREMENTS FOR ASSEMBLY................................................................................................... 14

1.2.1.1. INTRODUCTION........................................................................................................................................ 14 1.2.2. DIMENSIONS ..................................................................................................................................................... 15

1.3. CONCRETE FOUNDATION FOR FOUNDATION ANCHORS ...................................................................... 19 1.3.1. PREPARATION ................................................................................................................................................... 19

1.3.1.1. INSTALLATING THE CRANE FOUNDATION: ..................................................................................... 20 1.3.2. REACTION FORCES.......................................................................................................................................... 21 1.3.3. SOIL PRESSURE AND CHOICE OF CONCRETE BLOCKS ON FIXING ANGLES................................... 22 1.3.4. DIMENSIONAL FEATURES OF THE FOUNDATION ANCHORS............................................................... 23 1.3.5. INSTALLING THE FOUNDATON ANCHORS................................................................................................ 24 1.3.6. SYMBOLS (EXAMPLE) .................................................................................................................................... 26

1.4. CENTRAL BALLAST ............................................................................................................................................. 31 1.4.1. INTRODUCTION................................................................................................................................................ 31 1.4.2. GROUND BALLAST TABLE ............................................................................................................................ 32 1.4.3. BALLAST BLOCK DETAILS............................................................................................................................ 33

1.5. COUNTER JIB BALLAST ..................................................................................................................................... 35 1.5.1. INTRODUCTION................................................................................................................................................ 35 1.5.2. COUNTER JIB BALLAST DIMENSIONS ....................................................................................................... 36

CHAPTER 2. WINCH UNIT ...............................................................................................39

2.1. EXPLANATION OF THE SYMBOLS .................................................................................................................. 40

2.2. COMPOSITION OF THE WINCH UNIT ............................................................................................................ 41

CHAPTER 3. SLEWING MECHANISM.............................................................................42

3.1. EXPLANATION OF THE SYMBOLS:................................................................................................................. 43 3.1.1. DESCRIPTION: ................................................................................................................................................... 43

3.2. SLEWING MECHANISM (RTC) (SEE FIG.5-2-1) ............................................................................................. 44 3.2.1. DESCRIPTION .................................................................................................................................................... 44 3.2.2. OPERATION........................................................................................................................................................ 45

3.3. MALFUNCTIONS ................................................................................................................................................... 47

3.4. SLEWING BRAKE .................................................................................................................................................. 49 3.4.1. RELEASING THE BRAKE MANUALLY (SEE FIG. 5-4-1)............................................................................ 49

CHAPTER 4. TROLLEY WINCH .......................................................................................51

4.1. SYMBOLS................................................................................................................................................................. 52

4.2. COMPOSITION OT THE TROLLEY WINCH .................................................................................................. 53

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4.3. TROLLEY BRAKE (SEE FIG. 6-4-1).................................................................................................................. 55 4.3.1. DESCRIPTION: ................................................................................................................................................... 55 4.3.2. WORKING PRINCIPLE OF THE TROLLEY BRAKE. ................................................................................... 55 4.3.3. MAINTENANCE................................................................................................................................................. 57

ST70/30 CONCISE MANUAL

-9- RCV.1.4.ENG

CHAPTER 1. TECHNICAL DATA


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8.43

m

21. 27m

3. 2m12t

4. 8t

5. 6t

6m

40m6. 0t

6. 0t

45m

60m

50m

55m

71. 9m

3. 8t

3. 0t

4. 3t

65m

70m

1.1. SPECIFICATIONS

Fig.1-1-1


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Table 1-1-1

R Fall R(max) m

C(max) t 25 30 35 40 45 50 55 60 65 70

IV 3.2-21.07 12.0 9.7 7.7 6.6 5.25 4.4 3.8 3.3 2.8 2.5 2.2570 II 4.1-40.30 6.0 6.0 6.0 6.0 6.0 5.2 4.6 4.1 3.6 3.3 3.0 IV 3.2-23.35 12.0 11.0 8.8 7.2 6.1 5.2 4.5 3.9 3.4 3.0 65 II 4.1-44.83 6.0 6.0 6.0 6.0 6.0 5.9 5.2 4.6 4.2 3.8 IV 3.2-23.76 12.0 11.2 9.0 7.4 6.2 5.3 4.6 4.0 3.5 60 II 4.1-45.64 6.0 6.0 6.0 6.0 6.0 6.0 5.3 4.7 4.36 IV 3.2-23.80 12.0 11.3 9.0 7.4 6.2 5.3 4.6 4.0 55 II 4.1-45.72 6.0 6.0 6.0 6.0 6.0 6.0 5.3 4.8 IV 3.2-24.53 12.0 11.7 9.4 7.7 6.5 5.5 4.8 50 II 4.1-47.19 6.0 6.0 6.0 6.0 6.0 6.0 5.6 IV 3.2-24.87 12.0 11.9 9.5 7.8 6.6 5.7 45 II 4.1-45.00 6.0 6.0 6.0 6.0 6.0 6.0 IV 3.2-25.20 12.0 12. 9.7 8.0 6.8 40 II 4.1-40.00 6.0 6.0 6.0 6.0 6.0

IV: Dual trolley II: Single Trolley


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124t

82t

F3F2

99t 78t144t

93t

91tF1 95t

105KVA

50HZ380V（± 5%）

Necessary electric power

186.

5m30. 75 29. 67

F2

7.65

m

F3

0.15

m

2x2m

3m

21. 7

21

315. 712. 7

18. 7

54

624. 727. 7

12.6

m 7.5m

6mx6m F1

3m

2x2m

2 20. 617. 61

26. 623. 6

43

48. 713

10 39. 7

89

33. 736. 7

1112

42. 745. 7

14

H( m)

51. 712

10

38. 535. 632. 6

76

8

47. 6

41. 644. 6

9

11

1413

H( m)56. 6

50. 653. 6

29 sections

20 sections

11 sections

66m

39m

120m

93m

40 sections

38 sections

147m

PA VA Fixing anchors Untercarriage Anchored

Fig.1-1-2 Table 1-1-2

: In Service : Out of Service : Crane weight without load and ballast with longest jib and max.height

In service Out of service Crane weight without load or ballast with longest jib and at maximum height.

Needed

electrical force kVA

3x380V


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Description

Table 1-1-3

HOISTINGMECHANISM (55RCS30):

Name Model Speed (m/min) Load (kg) Cable 35W x (7) ∅ 18

Capacity (kW)

0 – 68 3000 0 – 34 6000 Motor YRTE2-180M2-

4B5 II

40.5

0 – 34 6000 0 - 17 12000 Reduction R27.389.47 IV

Drum capacity 533 (m)

Real capacity

400 (m) 37914 Nm

HOISTINGMECHANISM (70RCS30):

Name Type Speed (m/min) Load (kg) Cable 35W x (7) ∅ 14

Capacity (kW)

0 – 80 3000 0 – 40 6000 Motor YRTE2-180M2-

4B5 II

51.5

0 – 40 6000 0 - 20 12000 Reduction R27.389.47 IV

Max. capacity 533 (m)

Real capacity

400 (m) 37914 Nm

LOOPKAT (DTC120)

Naam Model Speed (m/min) Load (kg) Cable

6 x (19) ∅ 7.7 Capacity

Length 70 m Motor YTLEJ112-120-

4H Front 138 m 120 Nm

Reduction BF12-31

0 – 57 0 – 12000 0 – 6000

Rear 86 m 1150 Nm

SLEWING MECHANISM (RTC290)

Name Model Speed (o.p.m.) Capacity

YTLEJ112L-145-F1 Motor YTLEJ112L-145-F2

2x145 Nm

Reduction J4238908

0 – 0.8

9111.7 Nm


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1.2. PREPARING THE CONSTRUCTION SITE

1.2.1. SPACE REQUIREMENTS FOR ASSEMBLY

1.2.1.1. INTRODUCTION

This brochure provides the dimensions of the space requirements for the crane. It

consists of two sections:

- The entire crane with indication of the most important dimensions.

- The crane is shown in three parts:

− Foundation anchors and undercarriage

− Mast composition

− Range and jib length

Based on the provided dimensions, you can prepare the assembly of the crane.

ATTENTION: The provided dimensions do not take account of sagging under

load or any manufacturing tolerances.


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1.2.2. DIMENSIONS

1.2.2.1. OVERALL CRANE DIMENSIONS

Fig. 1-2-1

0.15

m

7.5m

2mx2m

84.3

m21. 27m

5.65

m 3.6m

71. 9m

51.7

m

3m

8,43

m


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7160

3190

3690

3690

3190

6000

C3/2

6000

7248

291

4340

1.2.2.1.1. Foundation anchors – wheel base

Fig. 1-2-2

Fig. 1-2-3

150

2m

2m

Reinforced concrete


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C1 3. 000m

7. 260m

2. 600m4. 050m

4. 300m

1. 180m1. 120m

G1

K1

H1

E1

F1

D1

7. 500m2. 000mA1

B1

RP

F1

G1

A1

B1

K1

C1

H1

E1

NxC1

D1

ST70/ 30

1.2.2.1.2. Mast

Fig. 1-2-4

MAST DIMENSIONS

Table 1-2-1


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D

d c

G2

L2F2

E2

A2B2

P2R2K2

H2

bM2

a

41. 746. 7

51. 756. 7

61. 766. 7

71. 7

21. 2m

1.2.2.1.3. Jib and couter-jib.

Fig.1-2-5

Table 1-2-2 RP PA VA A2 2.10m D2 14.00m E2 5.47m F2 2.70m G2 1.30m R2 4.00m H2 3.10m P2 1.40m K2 3.10m L2 3.50m B2 2.50m M2 2.50m

Table 1-2-3

JIB a b c d 70m 71.7m 21.2m 53.76m 18.75m 65m 66.7m 21.2m 53.76m 18.75m 60m 61.7m 21.2m 48.76m 18.75m 55m 56.7m 21.2m 48.76m 18.75m 50m 51.7m 21.2m 48.76m 18.75m 45m 46.7m 21.2m 43.76m 18.75m 40m 41.7m 21.2m 38.76m 18.75m


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1.3. CONCRETE FOUNDATION FOR FOUNDATION ANCHORS

1.3.1. PREPARATION

TO BE PREPARED BY THE CLIENT:

The concrete foundation of the foundation anchors must be executed on basis of the

parameters in Table 1-3-1.

ATTENTION: The listed parameters are minimum values to be observed,

taking account of the stability requirements of the crane

Please contact us in case of deviating conditions. 1

1 Jinlong Europe – Zandvoorstraat 10/6 – 2800 Mechelen – Belgium – Tel.:++32/15 28 54 54 – Fax: ++32/15 20 96 80. and Jinlong Europe UK & Ireland • 2nd Floor, Titan Court, 3 Bishop Square – Hatfield - AL10 9NA Hertfordshire - U.K. Tel: ++ 44/1707 226 522 – Fax: ++44/1707 226 001


- 20 - RCVC.1.4.ENG

1.3.1.1. INSTALLATING THE CRANE FOUNDATION:

The foundation must be defined taking account of:

- Type of crane

- The height of the crane

- The soil resistance

For this, we refer to table 1-3-1 and 1-3-2.

The crane reaction forces must at all times be less than the soil resistance.

ATTENTION: Incorrect installation of the foundation anchors may cause

crane instability, which in turn, may result in an accident.


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1.3.2. REACTION FORCES

C Mast composition H Hook height m P Total weight M Maximum weight ET Horizontal force R Reaction TRACT Traction COMP Pressure ES In service HS Out of service

Table 1-3-1 ES in service HS out of service

R R C H P M ET Tract Comp

P M ET Tract Comp

m kg kg/m kg kg kg kg kg/m kg kg kg

1+1+1 12.7 77054 160967 2243 42304 78396 65054 184984 5587 52354 86355

1+2+1 15.7 78544 166713 2411 44016 80993 66544 184984 6125 51912 86798

1+3+1 18.7 80034 172964 2579 45917 83779 68034 184984 7548 51469 87240

1+4+1 21.7 81524 179718 2747 48007 86754 69524 184984 8085 51027 87683

1+5+1 24.7 83014 186976 2915 50285 89918 71014 184984 8623 50584 88125

1+6+1 27.7 84504 194739 3083 52753 93271 72504 184984 9362 50142 88568

1+7+1 30.7 85994 203005 3251 55787 97189 73994 184984 10102 49699 89010

1+8+1 33.7 87484 211776 3419 59587 101875 75484 184984 10841 49257 89453

1+9+1 26.7 88974 221051 3587 63510 106682 76974 184984 11580 48814 89895

1+10+1 39.7 90464 230829 3755 67553 116611 78464 184984 12320 48372 90338

1+11+1 42.7 91954 241112 3923 71718 116661 79954 184984 13059 47929 90780

1+12+1 45.7 93444 251899 4091 76005 121832 81444 197478 13798 52171 95901

1+13+1 48.7 94934 263190 4259 80413 127125 92934 240592 14538 67893 112514

1+14+1 51.7 96424 274985 4427 84942 132540 84424 285925 15277 84447 129953


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1.3.3. SOIL PRESSURE AND CHOICE OF CONCRETE BLOCKS ON FIXING

ANGLES

C Mast composition

H Hook height in m

PS Ground pressure in 10N/cm2

M Type concrete block

Table 1-3-2

Mast 2m x 2m

H M101N M142N M126N M169N C

m PS PS PS PS

1+0+1 9.7 1.49 1.37 1.14 1.15

1+1+1 12.7 1.49 1.37 1.15 1.16

1+2+1 15.7 1.49 1.38 1.15 1.16

1+3+1 18.7 1.49 1.38 1.15 1.16

1+4+1 21.7 1.50 1.40 1.16 1.18

1+5+1 24.7 1.55 1.43 1.19 1.20

1+6+1 27.7 1.60 1.47 1.23 1.23

1+7+1 30.7 1.66 1.52 1.27 1.26

1+8+1 33.7 1.73 1.57 1.31 1.30

1+9+1 36.7 1.80 1.62 1.35 1.33

1+10+1 39.7 1.88 1.67 1.40 1.37

1+11+1 42.7 1.96 1.73 1.45 1.41

1+12+1 45.7 2.06 1.79 1.50 1.45

1+13+1 48.7 2.16 1.86 1.55 1.50

1+14+1 51.7 2.56 2.13 1.76 1.65


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2000

2000

600

150

1.3.4. DIMENSIONAL FEATURES OF THE FOUNDATION ANCHORS

The foundation anchors are placed symmetrically in the foundation block and are to form a 2-by-2m square, based on the dimensions of the mast to be erected (see fig. 1-3-1).

The distance between the topside of the mounting plate and the topside of the foundation block must be 150 mm.

Fig. 1-3-1

ATTENTION: Cutting or reducing the reinforcement in the foundation is prohibited.


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1.3.5. INSTALLING THE FOUNDATON ANCHORS

The foundation anchors are mounted by means of:

- 4 foundation anchors and 8 associated pins

- 1 foundation frameword and 8 associated pins

- 1 standard mast section

- 1 plumb line or measuring device

1/ Check the framework for any deformation during transport. The difference

between respectively the diagonals and the bearing surface heights may be at the most 1 mm.

2/ Install the foundation anchor on the reinforcement and adjust by means of filling plates.

3/ Check perpendicularity in both directions after assembly of the lower mast section on the framework. Adjust if necessary.

4/ Pour the concrete block and wait until it is completely hardened before removing the mast section and the framework.

5/ Check perpendicularity and horizontally (diagonally). The maximum admissible deviation is 1/1000.


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150

Plumb Line

Standard

section

2 Pins in each corner

Plumb line

4 foundation anchors

2 Pins in each corner

Reinforced concrete

Fig. 1-3-2


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1.3.6. SYMBOLS (EXAMPLE)

Name of a concrete block (M101)

M : Concrete block

101 N: Weight of a concrete block in tons.

The upper and lower reinforcements are interconnected with loop connections.

Each layer is connceted with cruciform reinforcements.

Uper reinforcement: 33: Number of rails

HA: High-strength reinforcement rod

33 HA 25x620 (e: 17)

25: Support diameter in mm 620: Rod length in cm

e: Distance in cm

Lower reinforcement: ep: Round rod D: Density V: Volume in m3

L: Length l: Width H: Height in cm

NOTE: The density of the reinforced concrete is C30.

See lay-out drawing 1-3-3 (a), (b), (c) and (d).


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1 33HA25x625 ( e=17)

1 33HA25x625 ( e=17)

560

560

2 33HA25x625 ( e=17)

2 33HA25x625 ( e=17)

135 70

555

555

55520 20

555

280

130

11x11HA16x155 ( e=51)3

M101N

L=560cm; I=560cm; H=135cm; V=42m3

Fig. 1-3-3 (a)


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M126N

L=625cm; I=625cm; H=135cm; V=53m3

Fig. 1-3-3 (b)

1 52HA25x690 ( e=12)

2 52HA25x690 ( e=12)

201 52HA25x680 ( e=12)

2 52HA25x680 ( e=12)

625

D: 2. 4

625

7013

5

2020620

20620

20610

20610

20

3 14x14=196HA16 ( e=48)

20

130


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2 38HA25x655 ( e=15. 5)

1 38HA25x655 ( e=15. 5)20

202 38HA25x645 ( e=15. 5)

1 38HA25x645 ( e=15. 5)

590

590

D: 2. 4

170

70

620

20

20 20

620

58520

585

20 203 12x12=144HA16x190 ( e=46. 5)

130

M142N

L=590cm; I=590cm; H=170cm; V=59m3

Fig. 1-3-3 (c)


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2 55HA25x710 ( e=12)

1 55HA25x710 ( e=12)

6401 55HA20x700 ( e=11. 8)

2 55HA20x700 ( e=11. 8)20

20

645

D: 2. 4

170

70

20640

20

64020

20

3 13x13=169HA20x190 ( e=47)

645

20640

20

165

M169N

L=645cm; I=645cm; H=170cm; V=71m3

Fig. 1-3-3 (d)

D：2.4


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1.4. CENTRAL BALLAST 1.4.1. INTRODUCTION

The central ballast consists of reinforced concrete blocks symmetrically placed on the undercarriage. Each layer consists of blocks with the letters C or D.

The central ballast must be composed according tot the table & figures below.

The central ballast is to be supplied by the user/client.


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1.4.2. GROUND BALLAST TABLE

CP : Mast composition

HC : Hook height

NR : Number of layers

ND : Number of blocks

LE : Minimum required ballast

LD : Obtained Ballast

R. ES : Forces in service

R. HS : Forces out of service

RH : Horizontal forces

Table 1-4-1

2 m x 2 m

R

R

RH

Fig. 1-4-1

CP HC NR ND LE LD RES RHS RH

2+0+1 14.6m 6 12C+12D 60t 63.6t

2+1+1 17.6m 6 12C+12D 60t 63.6t 61t 55t 7.06t

2+2+1 20.6m 6 12C+12D 60t 63.6t 62t 56t 7.12t

2+3+1 23.6m 6 12C+12D 60t 63.6t 63t 56t 7.18t

2+4+1 26.6m 6 12C+12D 60t 63.6t 65t 57t 7.24t

2+5+1 29.6m 6 12C+12D 60t 63.6t 66t 57t 7.30t

2+6+1 32.6m 6 12C+12D 60t 63.6t 67t 57t 7.36t

2+7+1 35.6m 6 12C+12D 60t 63.6t 69t 58t 7.42t

2+8+1 38.6m 6 12C+12D 60t 63.6t 71t 58t 7.48t

2+9+1 41.6m 6 12C+12D 60t 63.6t 73t 58t 7.54t

2+10+1 44.6m 6 12C+12D 60t 63.6t 76t 62t 7.60t

2+11+1 47.6m 6 12C+12D 60t 63.6t 78t 67t 7.66t

2+12+1 50.6m 6 12C+12D 60t 63.6t 80t 72t 7.73t

2+13+1 53.6m 6 12C+12D 60t 63.6t 81t 77t 7.79t

2+14+1 56.6m 6 12C+12D 60t 63.6t 84t 82t 7.85t

D

B A

C

C D C D


- 33 - RCVC.1.4.ENG

R10R30

R30

220

1

2

220R20

115

( ※)

250

450

900

420

750

100500

1 2

150

7501500

3

250

4

540

1.4.3. BALLAST BLOCK DETAILS

Fig. 1-4-2

All allowed dimensions: ±1cm

Rep: Serial no. ∅: Diameter N: Quantity L.u: Length unit L.t: Total length Form: Form M: Material

REP ∅

mm N L.u L.t Form M

1 40 2 500 1000

2 10 8 900 7200

3 10 4 2200 8800 4 10 3 1600 4800 E2

4．1(

A3)

Reinforced concrete P: 2800kg D: 2.3

D


- 34 - RCVC.1.4.ENG

( ※)

450

75025

0

420

900

500

1500 750

500

540

1 2 3 4

250

100500

150

2

1

220

R30

R30 R10 115 22

0R20

Fig. 1-4-3

All allowed dimensions: ±1cm

Rep: Serial no.

∅: Diameter

N: Quantity

L. u: Length unit

L. t: Total length

Form: Form

M: Material

REP ∅ mm N L.u L.t Form M

1 40 2 500 1000

2 10 8 900 7200 3 10 4 2200 8800

4 10 3 1600 4800 E24．

1(A

3)

Reinforced concrete P: 2500kg D: 2.3

C


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1.5. COUNTER JIB BALLAST 1.5.1. INTRODUCTION

The counter-jib ballast consists of various reinforced concrete blocks A, B, C; The counter-jib ballast is governed by the length of the jib. These blocks are suspended one by one at the rear of the counter-jib.

The counter-jib ballast is to be supplied by the user/client.

The manufacturing drawings are added in annex.

The permissible weight tolerance is 500+ kg per block.

We recommend weighing the concrete blocks and marking their weight with paint on a visible side of the concrete block.


- 36 - RCVC.1.4.ENG

1700± 1

1160± 1

100

790 70

100

30°

34518

0

X±2

1505± 5

1.5.2. COUNTER JIB BALLAST DIMENSIONS

Lengh of the jib (m) 40 45 50 55 60 65 70

Lengh of the counter-jib (m) 21.2 21.2 21.2 21.2 21.2 21.2 21.2

Blocks 3B+ 1C

1D+ 3B

3D+ 2C

3D+ 1B+ 1C

3D+ 2B

2D+ 4B

3D+ 3B While using and

telescoping (t)Weight 11.1 13.45 16.05 17.35 18.65 20.70 21.75

Fig. 1-5-1

Typ of the block Weight Tolerance

D 4150 kg +50 kg

B 3100 kg +50 kg

C 1800 kg +50 kg Dimension of the blocks

Density 2.2 2.3 2.4 2.5

D 3210 3080 2950 2810

B 2400 2300 2200 2100

C

X

1380 1320 1270 1220


- 37 - RCVC.1.4.ENG

2

2- φ 52

1

790

3

20

3

220

4

520 +5 0

145 90

1505± 5

1700

363

590

δ 20

12065

065

0 -2

-2

415

260

2- φ 50

12025 x 45°δ 20

345

180

20

77

Round steel

Right

Wrong

Fig. 1-5-2

Goed

Slecht

Rond staal


- 38 - RCVC.1.4.ENG

R40

R40

1548

5001700± 1

500 500

210

400

270

230

246

φ 16

R18

R25

345

(A),

(B),

(C)X

±2

180

180x

13

180

567

8

( B) =2060, ( C) =1160, ( D) =2850

C=90

0 D

=B=1

290

Fig. 1-5-3


- 39 - RCVC.1.4.ENG

CHAPTER 2. WINCH UNIT


- 40 - RCVC.1.4.ENG

2.1. EXPLANATION OF THE SYMBOLS RCS

Single wire Dual motor block Motor power in kW

The winch unit is equiped with 5 hoisting and lowering speeds. ATTENTION - Starting the hoisting movement: use low speed. - Displacements between 2 hoisting movements: use

medium or high speed. - Positioning the load: use low speed.

NOTE: Hoisting speed selection is determined by - Weight and size of the load - Environmental factors - Stage of the hoisting movement


- 41 - RCVC.1.4.ENG

2.2. COMPOSITION OF THE WINCH UNIT 1. Limiter

2. Hoisting drum

3. Transmission

4. Support winch unit

5. Dual motor block

6. Electrical controlpanel L

7. Resistor cabinet


- 42 - RCVC.1.4.ENG

CHAPTER 3. SLEWING MECHANISM


- 43 - RCVC.1.4.ENG

3.1. EXPLANATION OF THE SYMBOLS: R T C 3.1.1. DESCRIPTION:

Select the slewing speed according to the required displacement. Increase

or decrease slewing speed gradually. Slow down gradually instead of

stopping abruptly by means of the slew brake.

The slewing brake may only be used to position the jib when hoisting at

wind speeds < 13 m/s.

To prevent damage to the hoist rope, avoid simultaneous slewing and

hoisting (rope twisting risk)

Torque Current brake Voltage regulator Slewing mechanism


- 44 - RCVC.1.4.ENG

3.2. SLEWING MECHANISM (RTC) (SEE FIG.5-2-1) 3.2.1. DESCRIPTION The slewing mechanism consists of:

1/ A squirrel cage motor turning at constant speed in the desired direction;

2/ An electrodynamic coupling/brake producing the speed changes;

3/ A reduction in which the clutch engages directly on the slewing ring;

4/ Safety brakes mounted on the electrodynamic coupling/brake;

5/ Tacho-dynamo, for speed control;

6/ Slewing limiter;

7/ The crane can be put in weathervaning both manually and electrically.


- 45 - RCVC.1.4.ENG

3.2.2. OPERATION

1/ Make the motor run in the desired direction.

2/ The brake releases.

3/ The electrodynamic brake inductor is supplied with direct current.

4/ An amperage change in the inductor produces a speed change. In that way, the desired speed can be obtained by means of the control box.

AT STANDSTILL:

- The power supply to the motor is switched off, power is supplied to the inductor of the electrodynamic brake and the jib is brought to a stop;

- The safety brake only locks when, in case of necessity, the operator presses the thereto-provided button.

ATTENTION: Stopping the jib by counter-slewing is prohibited.

At the end of the workday, the jib must be placed in weathervaning.


- 46 - RCVC.1.4.ENG

4

2

1

3

1. :Motor 2. :Gearbox 3. :Weathervaing mechanism 4. :Slewing ring 5. :Limit switch

Fig. 5-2-1

5


- 47 - RCVC.1.4.ENG

3.3. MALFUNCTIONS

1/ The slewing mechanism is provided with an electronic control device that:

- Controls slewing acceleration and deceleration; - Prevents changing of the slewing direction by a control error;

2/ If a malfunction occurs, working with the crane must be stopped and its cause must be eliminated.

Table 5-3-1

Operation Normal Abnormal

Slewing movement from “0” position on joystick.

Slewing starts gradually up to its maximum speed.

Slewing starts abruptly. The tower deforms.

Slewing movement towards “0” position.

The slewing movement slows down and stops after 7-10 seconds.

Slewing stops instantly. The tower deforms.

Shunt bridging. Free slewing. Slewing stops suddenly.


- 48 - RCVC.1.4.ENG

NOTE: These malfunctions can have the following causes:

1/ Incorrect connection of the 380 VAC/48 VAC power supply; excessive voltage fluctuations;

2/ Potentiometer and joystick are not compatible or are incorrectly adjusted with reference to the resistance (O-R/2);

3/ Check if the inverter is intact and operates properly within the parameters;

4/ Check the connections of each part for damage and/or improper tightening;

5/ Check if the control box still works within the given parameters.


- 49 - RCVC.1.4.ENG

3.4. SLEWING BRAKE 3.4.1. RELEASING THE BRAKE MANUALLY (SEE FIG. 5-4-1)

1) Weathervaning:

Engage the manual brake lever (1), according to movement A.

When the button (2) is pushed, the clamp (3) comes under the brake lever (1).

Release the manual brake lever (1) to let it rest on the clamp (3) and lock it.

Release the pushbutton (2). There may be no clearance at the brake lever (1). Adjust if necessary.

When putting in weathervaning is complete, the slewing mechanism must rotate freely.

2) Locking of the weathervaning:

Set the manual brake lever upright (1), according to movement A.

The clamp (3) releases by the spring (4) action.

Release the manual brake lever (1).

When weathervaning locking is complete, the slewing mechanism should be locked.

ATTENTION: Locking of the weathervaning can jeopardize crane stability in case of high wind speeds.


- 50 - RCVC.1.4.ENG

Fig. 5-4-1

Fig. 5-4-1

4

3

1

2

A


- 51 - RCVC.1.4.ENG

CHAPTER 4. TROLLEY WINCH

STT 113 CONCISE TOWER CRANE MANUAL

- 52- RCVC.1.4.ENG

4.1. SYMBOLS

D T C

ATTENTION: The trolley hoisting speed must be selected according to the distance to be run.

Increase and discrease speeds gradually.

Torque Turbo timing Voltage timing Trolley mechanism


- 53 - RCVC.1.4.ENG

4.2. COMPOSITION OT THE TROLLEY WINCH

The DTC trolley winch unit consists of the following components (see fig. 6-2-1):

- Rope drum

- Gearbox

- Electric squirrel-cage motor

- Electromagnetic brake

- Disk brake

Three speeds are available:

MV: low speed, realized by a combination of actuation of the electromagnetic

brake and running of the motor at lower voltage (230 - 260 V);

PV1: Medium speed, realized by partial actuation of the electromagnetic brake and

control of the motor voltage (380 V);

PV2: High speed; the motor is run at its rated voltage (380 V) without excitation of

the electromagnetic brake.

The disk brake of the trolley winch unit is of the regular closed type (i.e. release through voltage control).

Normal brake clearance is 0.8 – 1.2 mm.

The brake clearance is set in an identical way as for the slewing motor.

The brake torque is set by a spring screw. Fig. 6-2-1 item 14.


- 54 - RCVC.1.4.ENG

Fig. 6-2-1 1. Outer support plate 2. Connecting rod 3. Drum and gear housing 4. Limit switch pin 5. Inner support plate 6. Limit switch, model DXZ-4/FW 7. Motor brake field excitation voltage 20V - DC 8. Motor, 1500 t./min. 9. Motor brake field excitation v oltage 20VDC 10. Protection cover locknut 11. Manual brake release lever. 12 Fixing nut 13. Screw M8 for disc brake. 14. Brake pressure adjusting spring. 15 Brake disc locknut 16. Protection 17. Spindle connection. 18. Bearing type 80212 19. Transmission axle 20. Gear coupling, speed ratio r=30.36 21. Bearing type 60209 22. Sealing ring PD115x140x14 23. Trolley rope clamp

1315 1416

22

23

1 2 3 4 5 76 8 9 10 11 12

21 20 19 18 17


- 55 - RCVC.1.4.ENG

4.3. TROLLEY BRAKE (SEE FIG. 6-4-1)

4.3.1. DESCRIPTION:

The electromagnetic brake starts operating as soon as the power supply is cut. Brake

clearance in the active range is automatically adjusted.

4.3.2. WORKING PRINCIPLE OF THE TROLLEY BRAKE.

Fig. 6-4-1

1. Excitation coil 2. Spring 3 Brake yoke nut 4. Movable plate 5. Brakeplate 6. Pressure disc 7. Brake lining 8. Screw 9. Cover E. Brake Clearance

7

6

54

8

9 1 2 3

E


- 56 - RCVC.1.4.ENG

Brakes:

When the current is cut, the electromagnetic attractive force disappears. The brake spring (2) pushes the pressure plate (6) back on the brake plate (5). The brake is of the regular closed type.

Opening the brake:

When the excitation coil (1) is excited, the pressure plate (6) is attracted by which the brake compression spring (2) is pressed in. By this, the brake discs open up.

Brake clearance:

Normal brake clearance is 0.8 to 1.2 mm. Check brake surfaces for soiling (oil- grease).

Brake moment adjustment:

The brake moment is set at the factory.

Opening the brake manually:

The brake can be released manually by loosening the brake yoke (3).


- 57 - RCVC.1.4.ENG

4.3.3. MAINTENANCE

1/ Every 200 hours or once a month:

2/ Check brake clearance and brake moment, as well as the condition of the brake

discs. Normal brake clearance is 0.8 to 1.2 mm.

3/ Attention: replace brake discs before they are completely worn.

4/ Check if there is any foreign matter in the brake and if it is free from oil and

grease.

ATTENTION: The brake must immediately be inspected if:

- It does not work properly

- It is overheating

- Abnormal vibrations are noticed

- Braking torque is insufficient

EU Importer & Maintenance • Jinlong Europe • Zandvoorstraat 10/6 • 2800 Mechelen• Belgium Tel.: ++ 32/15 285454 – Fax: ++32/15 209680 • Jinlong Europe UK & Ireland • 2nd Floor, Titan Court, 3 Bishop Square - Hatfield• AL10 9NA Hertfordshire• U.K. Tel: ++ 44/1707 226 522 – Fax: ++44/1707 226 001 Manufacturer: Fushun Yongmao Construction Machinery C° Ltd. China

Januari 2007

concise manual rcvc.1.4 eng pdf

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