CN109809310A - A kind of movable arm tower crane pull rod and its installation method - Google Patents
A kind of movable arm tower crane pull rod and its installation method Download PDFInfo
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- CN109809310A CN109809310A CN201811583174.XA CN201811583174A CN109809310A CN 109809310 A CN109809310 A CN 109809310A CN 201811583174 A CN201811583174 A CN 201811583174A CN 109809310 A CN109809310 A CN 109809310A
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- 238000009434 installation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 22
- 239000000725 suspension Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009191 jumping Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 17
- 238000011900 installation process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
A kind of movable arm tower crane pull rod, including variable amplitude rope, jib lubbing mechanism, auxiliary body, for draw running block to the traction rope of amplitude draw-bar group, running block, with the hinged fixed pulley group of tower top, with the hinged amplitude draw-bar group of running block, tower top, guide traction rope transition pulley, the 4th pin shaft and hauling block device, running block is connected with fixed pulley group by variable amplitude rope, and fixed with the 4th pin shaft, variable amplitude rope is wrapped on jib lubbing mechanism；Two rotation pulley blocks of running block connect traction rope；Auxiliary body, hauling block device, transition pulley, amplitude draw-bar group are mounted on cantilever crane, and traction rope is wrapped in auxiliary body；Tower top has gusset piece and row's rope pulley, the hinged fixed pulley group of gusset piece, and row's rope pulley is variable amplitude rope transition.The invention also includes the installation methods of above-mentioned movable arm tower crane pull rod.
Description
Technical field
The present invention relates to a kind of movable arm tower crane pull rod and its installation methods, belong to derrick crane field.
Background technique
There are two types of the modes of existing movable arm tower crane installation pull rod.The first, variable amplitude rope is passed around by people in high-altitude.This side
Case is since (for a fixed pulley in tower top, a movable pulley is at the pull rod of cantilever crane top boom, between general farther out for two pulley blocks distance
Every 20 meters or more), and need people to carry out high altitude operation for a long time, therefore safety coefficient is lower, installation process is complicated, especially
When the diameter of variable amplitude rope is bigger, it is difficult to realize the installation of variable amplitude rope.Second, two pulley blocks are connected in the installation of vertical tower
Together (at tower top), variable amplitude rope is by the way that after manually passing around, with traction wire saws running block, usual traction rope is straight by hoisting drum
Traction is connect, there are also the second auxiliary drum driven by hoisting drum tractions, and last running block is connect with pull rod.This side
The defect of case is that wirerope on hoisting drum is easy confusion, and need two traction ropes come when guaranteeing traction running block it is flat
Weighing apparatus, to avoid the torsion of mounted variable amplitude rope, installation difficulty is larger.
Summary of the invention
In order to overcome the disadvantages mentioned above of the prior art, the present invention provides a kind of movable arm tower crane pull rod and its installation methods.
Variable amplitude rope of the invention and two pulley blocks are completed winding before factory, and when installation is used only auxiliary body's traction and moves
Pulley blocks, can it is convenient, safely, the movable arm tower crane pull rod and its installation method of installation is rapidly completed.
A kind of movable arm tower crane pull rod of the present invention, it is characterised in that: including variable amplitude rope 9, jib lubbing mechanism 6, auxiliary machine
Structure 2, the traction rope 11 that amplitude draw-bar group 12 is arrived for drawing running block 8, running block 8 and the hinged fixed pulley group of tower top 7
10, with the hinged amplitude draw-bar group 12 of running block 8, tower top 7, be mounted on cantilever crane 13 guide traction rope 11 transition pulley
3, the 4th pin shaft E and hauling block device 4, the running block 8 and fixed pulley group 10 pass through the variable amplitude rope 11 before factory
Connection, and fixed with the 4th pin shaft E, the variable amplitude rope 11 is wrapped on the jib lubbing mechanism 6；Have two on the running block 8
A rotation pulley blocks 5, for connecting the traction rope 11；The auxiliary body 2 is mounted on cantilever crane 13, the traction rope 11
It is wrapped in the auxiliary body 2；The amplitude draw-bar group 12 is mounted on cantilever crane 13, and the tower top 7 has 7.2 He of gusset piece
Arrange rope pulley 7.1, the hinged fixed pulley group 10 of the gusset piece 7.2, row's rope pulley 7.1 and 9 phase of variable amplitude rope
Even；There are two the transition pulleys 3, is mounted on the upper of cantilever crane 13；The hauling block device 4 is mounted on cantilever crane 13；
The fixed pulley group 10 includes 82, two fixed pulley frame 81, multiple first pulleys second pulleys 83, and the multiple the
One 82, two, pulley second pulley 83 is arranged in fixed pulley frame 81, and the fixed pulley frame 81 includes under the first upper plate 85, first
Plate 86, first partition 87, two piece first connecting plate 88 hinged for tower top gusset piece 7.2, the first folded plate 89, the first sealing plate
90, the first side plate 91, the second side plate 92, pillar 93, the first partition 87 is made of muti-piece, and is fixed on described first
Between plate 85, the first lower plate 86, first connecting plate 88 is fixed between the first upper plate 85 and the first lower plate 86, and two piece first
Connecting plate 88 is located at the outside of first partition 87, and the first partition 87 is equipped with coaxial lead to first connecting plate 88
Hole, first sealing plate 90 have two pieces, are fixed on the first upper plate 85 and the first lower plate 86 on one side, one end is fixed in described first
The outside of connecting plate 88, affixed first folded plate 89 of another side, first folded plate 89 are equipped with first connecting plate 88
Coaxial through-hole, first side plate 91 and the second side plate 92 are fixed on the first upper plate 85, are divided to or so two groups, first side
Plate 91 is located at 92 outside of the second side plate, and the pillar 93 is fixed on the first side plate 91 and the second side plate 92, for preventing
Variable amplitude rope 9 is jumped out；
The running block 8 includes movable pulley rack 61, multiple third pulleys 62, for the of fixed rotation running block 5
One pin shaft 1, two rotation pulley blocks 5 for wearing traction rope, the multiple third pulley 62 are arranged in movable pulley rack 61, institute
Two rotation pulley blocks 5 are stated to be mounted in movable pulley rack 61, the movable pulley rack 61 include the second upper plate 64, the second lower plate 65,
For two piece of second connecting plate 67 of the connection of fixed pulley group 10, the third connected for pull rod group 12 when second partition 66, installation
Connecting plate 68 and the lifting lug of installation 69, the second partition 66 are made of muti-piece, and are fixed in second upper plate 65, second
Between lower plate 65, second lower plate 65 has the hole hinged with two rotation pulley blocks 5, and there are also fixed first pin shafts 1
Hole, second connecting plate 67 are fixed between the second upper plate 64 and the second lower plate 65, and two piece of second connecting plate 67 is located at
The outside of second partition 66, the second partition 66 are equipped with coaxial lead to second connecting plate 67, third connecting plate 68
Hole, the third connecting plate 68 are fixed in the centre of entire movable pulley rack 61, and the lifting lug 69 is fixed on the second upper plate 65；
The rotation pulley blocks 5 include rotation pulley yoke 51, the 4th pulley 52, truckle 53, the rotation pulley yoke 51
Including 56, two pieces of the first otic placode 54, the second otic placode 55, stiffening plate third otic placodes 57, there are two holes on first otic placode 54, wherein
One hole is fixed by the first pin shaft 1, and another hole is for hinged 4th pulley 52, first otic placode 54 and
Two otic placodes 55 are equipped with coaxial through-hole, and the third otic placode 57 is fixed in the first otic placode 54, on the second otic placode 55, two pieces of thirds
The hole of otic placode 57 is coaxially disposed, and the stiffening plate 56 is fixed in the second otic placode 55, and the setting of truckle 53 is in rotation pulley yoke
Between 51 two pieces of third otic placodes 57, the first otic placode 54 and the second otic placode of rotation pulley yoke 51 is arranged in the 4th pulley 52
Between 55, rotation first pin shaft 1 of pulley blocks 5 in a non-operative state, need to be fixed on running block by the rotation pulley blocks 5
On 8；In the operating condition, 8 90 degree of rotary motion pulley blocks are needed, then is blocked with the first pin shaft 1；
The hauling block device 4 includes the 5th pulley 4.1, fixed frame 4.2, pulley yoke 30, the second pin shaft 43, third pin
Axis 44, bolt 35, backing pin 36, the fixed frame 4.2 are installed on cantilever crane 13 by the second pin shaft 43, and the third pin shaft 44 is worn
Fixed frame 4.2 to be crossed, and is fixed on fixed frame 4.2, the 5th pulley 4.1 is arranged in the pulley yoke 30 on fixed frame 4.2,
The fixed frame 4.2 includes the first sealing plate 45, transverse tube 46, vertical tube 47, the 4th otic placode 48, the 5th otic placode 49,46 liang of the transverse tube
Hold affixed first sealing plate 45, there are three through-hole on the transverse tube 46, described 47 one end of vertical tube is fixed in the porose side of transverse tube 46,
Affixed first sealing plate 45 of the other end, the 4th otic placode 48 are fixed in plane on vertical tube 47, and the 5th otic placode 49 is fixed in perpendicular
The hole of 47 lower plane of pipe, the 4th otic placode 48 and the 5th otic placode 49 is coaxially disposed, and the pulley yoke 30 includes two pieces of third sides
Plate 31, connecting plate 32, the 33, the 6th otic placode 34 of set, two blocks of side plates 31 holding certain distance open shelves, and the connecting plate 32 is fixed in
One end of two blocks of side plates 31, the affixed set 33 of the other end of the side plate 31, the hole coaxial arrangement of two blocks of side plates 31, described the
Six otic placodes 34 are fixed on one of side plate 31, the set 33 and the 4th otic placode 48 and the 5th otic placode 49 on fixed frame 4.2
Hingedly, the backing pin 36 is fixed on side plate 31, the 6th otic placode 34 and fix that the bolt 35 is fixed on the pulley yoke 30
The 4th otic placode 48 on frame 4.2；
The cantilever crane pull rod group 12 is made of more pull rods, and one hinged with running block 8, and other end and cantilever crane 13 are cut with scissors
It connects.
A kind of installation method of movable arm tower crane pull rod, comprising the following steps:
(S1) running block 8 and fixed pulley group 10 are hung to tower top 7 by ancillary equipment, while start jib lubbing mechanism 6 and puts
Loose variable amplitude rope 9.
(S2) variable amplitude rope 9 is passed through into row's rope pulley 7.1, then fixed pulley group 10 is installed to the gusset piece 7.2 of tower top 7
On.
(S3) auxiliary body 2 is started, traction rope 11 is drawn, 11 exit of traction rope passes through transition pulley 3, is then passed through traction
The 5th pulley 4.1 on pulley gear 4, the rotation pulley blocks 5 being then passed through on running block 8, eventually passes back to hauling block device
Third pin shaft 44 on 4, with hauling block device 4 is connected and fixed.
(S4) the 4th pin shaft E for removing connection running block 8 and fixed pulley group 10, starts auxiliary body 2, makes running block
8 is mobile to 13 direction of cantilever crane under the action of traction rope 11, while starting jib lubbing mechanism 6 and loosening variable amplitude rope 9, and ancillary equipment is servo-actuated
Pulley blocks 8 move together.
(S5) continue to start auxiliary body 2, stopping when running block 8 is moved to cantilever crane pull rod group 12, and by movable pulley
Group 8 and cantilever crane pull rod group 12 connect.
(S6) traction rope 11 is removed, traction rope 11 is wound back in auxiliary body 2, and unclamp ancillary equipment.
(S7) luffing machine is started, 6, tense variable amplitude rope 9,13 setting in motion of cantilever crane.
Further, in the step (S1), running block 8 and fixed pulley group 10 are connected to before factory by variable amplitude rope 9
It together and is wound on jib lubbing mechanism 6, i.e., is contacted running block 8, fixed pulley group 10, jib lubbing mechanism 6 one with variable amplitude rope 9
It rises.
Further, in the step (S1), there are two groups of suspension centres on running block 8, ancillary equipment slings outer suspension centre with hoist cable
The slightly long hoist cable connection of A, another interior suspension centre B.
Further, in the step (S2), before variable amplitude rope 9 passes through row's rope pulley 7.1, gear rope pipe D need to be removed, after putting on
It is loaded on, prevents variable amplitude rope 9 from jumping out.
Further, in the step (S3), by the hoist cable of outer suspension centre A after the hoist cable tightening of suspension centre B interior on running block 8
It lays down.
Further, in the step (S4), the 4th pin shaft E of dismounting can be placed at the F of fixed pulley group 10.
Beneficial effects of the present invention are mainly manifested in: variable amplitude rope 9 is before factory by running block 8 and fixed pulley group 10
It is connected, is wound in the air when being not necessarily to Yu Lita high, improve vertical tower safety and vertical tower speed；One of the extraction of auxiliary body 2
Traction rope 11 is connected with two rotation pulley blocks 5 of running block 8, make variable amplitude rope 9 in 12 installation process of cantilever crane pull rod group
Be not in torsion, reduce installation difficulty；Implementation works well, it is convenient to operate, effectively reduces insecurity factor.
Detailed description of the invention
Fig. 1 is using the schematic diagram after the completion of the present invention.
Fig. 2 is the position of running block and fixed pulley group in a pre-installation in the present invention.
Fig. 3 is running block and fixed pulley group lifting schematic diagram in the present invention.
Fig. 4 a~Fig. 4 c is that running block and fixed pulley group are mounted on the lifting schematic diagram on tower top in the present invention, wherein scheming
4a is the schematic diagram that running block and fixed pulley group are lifted to tower top；Fig. 4 b is schematic diagram of the variable amplitude rope through row's rope pulley；Figure
4c is that fixed pulley group is connected to tower top and hoist cable in the schematic diagram of suspension centre B.
Fig. 5 a~Fig. 5 c is the schematic diagram of two rotation pulley blocks in fixed pulley group in the present invention, and wherein Fig. 5 a is two turns
Schematic diagram of the running block in fixed pulley group；The schematic diagram of pulley blocks position is rotated when Fig. 5 b is off working state；Fig. 5 c is
The schematic diagram of pulley blocks position is rotated when working condition.
Fig. 6 is the schematic diagram of auxiliary body and traction rope in the present invention.
Fig. 6 a~Fig. 6 d is the schematic diagram of the winding sequence of traction rope, and Fig. 6 a~Fig. 6 d is at A, B, C, D of Fig. 6 respectively
Partial enlargement diagram,
Fig. 7 is running block and the dismounting of fixed pulley group pin shaft and running block and cantilever crane pull rod connection signal in the present invention
Figure.Fig. 7 a, Fig. 7 b are the partial enlargement diagram at the A of Fig. 7 and at B respectively.
Fig. 8 is the installation diagram of fixed pulley group.
Fig. 9 is the structure chart of fixed pulley group.
Figure 10 is the installation diagram of running block.
Figure 11 is the structure chart of running block.
Figure 12 is to rotate pulley blocks to turn figure.
Figure 13 is the structure chart for rotating pulley blocks.
Figure 14 is the installation diagram of hauling block device.
Figure 15 is the structure chart of fixed frame in hauling block device.
Figure 16 is the structure chart of hauling block device middle pulley frame.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawing.
Embodiment 1
Referring to attached drawing, a kind of movable arm tower crane pull rod, it is characterised in that: including variable amplitude rope 9, jib lubbing mechanism 6, auxiliary body 2,
Traction rope 11, the running block 8, the fixed pulley group hinged for tower top 7 of amplitude draw-bar group 12 are arrived for drawing running block 8
10, the amplitude draw-bar group 12 hinged for running block 8, tower top 7, the transition cunning for being mounted on guidance traction rope 11 on cantilever crane 13
The 3, the 4th pin shaft E of wheel and hauling block device 4, the running block 8 and fixed pulley group 10 pass through the variable amplitude rope before factory
11 connections, and fixed with the 4th pin shaft E, the variable amplitude rope 11 is wrapped on the jib lubbing mechanism 6；The running block 8
Upper there are two rotation pulley blocks 5, for connecting the traction rope 11；The auxiliary body 2 is mounted on cantilever crane 13, the traction
Rope 11 is wrapped in the auxiliary body 2；The amplitude draw-bar group 12 is mounted on cantilever crane 13, and the tower top 7 has gusset piece 7.2
With row's rope pulley 7.1, the gusset piece 7.2 is used for the hinged fixed pulley group 10, row's rope pulley 7.1 and the luffing
Rope 9 is connected；There are two the transition pulleys 3, is mounted on the upper of cantilever crane 13；The hauling block device 4 is mounted on cantilever crane 13；
The fixed pulley group 10 includes 82, two fixed pulley frame 81, multiple first pulleys second pulleys 83, and the multiple the
One 82, two, pulley second pulley 83 is arranged in fixed pulley frame 81, and the fixed pulley frame 81 includes under the first upper plate 85, first
Plate 86, first partition 87, two piece first connecting plate 88 hinged for tower top gusset piece 7.2, the first folded plate 89, the first sealing plate
90, the first side plate 91, the second side plate 92, pillar 93, the first partition 87 is made of muti-piece, and is fixed on described first
Between plate 85, the first lower plate 86, first connecting plate 88 is fixed between the first upper plate 85 and the first lower plate 86, and two piece first
Connecting plate 88 is located at the outside of first partition 87, and the first partition 87 is equipped with coaxial lead to first connecting plate 88
Hole, first sealing plate 90 have two pieces, are fixed on the first upper plate 85 and the first lower plate 86 on one side, one end is fixed in described first
The outside of connecting plate 88, affixed first folded plate 89 of another side, first folded plate 89 are equipped with first connecting plate 88
Coaxial through-hole, first side plate 91 and the second side plate 92 are fixed in 5 on the first upper plate 8, are divided to or so two groups, first side
Plate 91 is located at 92 outside of the second side plate, and the pillar 93 is fixed on the first side plate 91 and the second side plate 92, for preventing
Variable amplitude rope 9 is jumped out；
The running block 8 includes movable pulley rack 61, multiple third pulleys 62, for the of fixed rotation running block 5
One pin shaft 1, two rotation pulley blocks 5 for wearing traction rope, the multiple third pulley 62 are arranged in movable pulley rack 61, institute
Two rotation pulley blocks 5 are stated to be mounted in movable pulley rack 61, the movable pulley rack 61 include the second upper plate 64, the second lower plate 65,
For two piece of second connecting plate 67 of the connection of fixed pulley group 10, the third connected for pull rod group 12 when second partition 66, installation
Connecting plate 68 and the lifting lug of installation 69, the second partition 66 are fixed between second upper plate 65, the second lower plate 65, institute
Stating the second lower plate 65 has the hole hinged with two rotation pulley blocks 5, and there are also the holes of fixed first pin shaft 1, described second to connect
Fishplate bar 67 is fixed in the second upper plate 64 and the second lower plate 65, and two piece of second connecting plate 67 is located at the outer of second partition 66
Side, the second partition 66 are equipped with coaxial through-hole, the third connection with second connecting plate 67, third connecting plate 68
Plate 68 is fixed in the centre of entire movable pulley rack 61, and the lifting lug 69 is fixed on the second upper plate 65；
The rotation pulley blocks 5 include rotation pulley yoke 51, the 4th pulley 52, truckle 53, the rotation pulley yoke 51
Including 56, two pieces of the first otic placode 54, the second otic placode 55, stiffening plate third otic placodes 57, there are two holes on first otic placode 54, wherein
One hole is fixed by the first pin shaft 1, and another hole is for hinged 4th pulley 52, first otic placode 54 and
Two otic placodes 55 are equipped with coaxial through-hole, and the third otic placode 57 is fixed in the first otic placode 54, on the second otic placode 55, two pieces of thirds
The hole of otic placode 57 is coaxially disposed, and the stiffening plate 56 is fixed in the second otic placode 55, and the setting of truckle 53 is in rotation pulley yoke
Between 51 two pieces of third otic placodes 57, the first otic placode 54 and the second otic placode of rotation pulley yoke 51 is arranged in the 4th pulley 52
Between 55, rotation first pin shaft 1 of pulley blocks 5 in a non-operative state, need to be fixed on running block by the rotation pulley blocks 5
On 8；In the operating condition, 8 90 degree of rotary motion pulley blocks are needed, then is blocked with the first pin shaft 1；
The hauling block device 4 includes the 5th pulley 4.1, fixed frame 4.2, pulley yoke 30, the second pin shaft 43, third pin
Axis 44, bolt 35, backing pin 36, the fixed frame 4.2 are installed on cantilever crane 13 by third pin shaft 44, and the third pin shaft 44 is worn
Fixed frame 4.2 to be crossed, and is fixed on fixed frame 4.2, the 5th pulley 4.1 is arranged in the pulley yoke 30 on fixed frame 4.2,
The fixed frame 4.2 includes the first sealing plate 45, transverse tube 46, vertical tube 47, the 4th otic placode 48, the 5th otic placode 49,46 liang of the transverse tube
Hold affixed first sealing plate 45, there are three through-hole on the transverse tube 46, described 47 one end of vertical tube is fixed in the porose side of transverse tube 46,
Affixed first sealing plate 45 of the other end, the 4th otic placode 48 are fixed in plane on vertical tube 47, and the 5th otic placode 49 is fixed in perpendicular
The hole of 47 lower plane of pipe, the 4th otic placode 48 and the 5th otic placode 49 is coaxially disposed, and the pulley yoke 30 includes two pieces of third sides
Plate 31, connecting plate 32, the 33, the 6th otic placode 34 of set, two blocks of side plates 31 holding certain distance open shelves, and the connecting plate 32 is fixed in
One end of two blocks of side plates 31, the affixed set 33 of the other end of the side plate 31, the hole coaxial arrangement of two blocks of side plates 31, described the
Six otic placodes 34 are fixed on one of side plate 31, the set 33 and the 4th otic placode 48 and the 5th otic placode 49 on fixed frame 4.2
Hingedly, the backing pin 36 is fixed on side plate 31, the 6th otic placode 34 and fix that the bolt 35 is fixed on the pulley yoke 30
The 4th otic placode 48 on frame 4.2；
The cantilever crane pull rod group 12 is made of more pull rods, and one hinged with running block 8, and other end and cantilever crane 13 are cut with scissors
It connects.
Embodiment 2
Referring to Fig.1~Fig. 7, a kind of installation method of movable arm tower crane pull rod, the method installation process the following steps are included:
(S1) running block 8 and fixed pulley group 10 are hung to tower top 7 by ancillary equipment, while start jib lubbing mechanism 6 and puts
Loose variable amplitude rope 9.
(S2) variable amplitude rope 9 is passed through into row's rope pulley 7.1, then fixed pulley group 10 is installed to the gusset piece 7.2 of tower top 7
On.
(S3) auxiliary body 2 is started, traction rope 11 is drawn, 11 exit of traction rope passes through transition pulley 3, is then passed through traction
The 5th pulley 4.1 on pulley gear 4, the rotation pulley blocks 5 being then passed through on running block 8, eventually passes back to hauling block device
Third pin shaft 44 on 4, with hauling block device 4 is connected and fixed.
(S4) the pin shaft E for removing connection running block 8 and fixed pulley group 10, starts auxiliary body 2, running block 8 is made to exist
It is mobile to 13 direction of cantilever crane under the action of traction rope 11, while starting jib lubbing mechanism 6 and loosening variable amplitude rope 9, ancillary equipment is servo-actuated to be slided
Wheel group 8 moves together.
(S5) continue to start auxiliary body 2, stopping when running block 8 is moved to cantilever crane pull rod group 12, and by movable pulley
Group 8 and cantilever crane pull rod group 12 connect.
(S6) traction rope 11 is removed, traction rope 11 is wound back in auxiliary body 2, and unclamp ancillary equipment.
(S7) luffing machine is started, 6, tense variable amplitude rope 9,13 setting in motion of cantilever crane.
In the step (S1), running block 8 and fixed pulley group 10 are linked together and are twined before factory by variable amplitude rope 9
It is around on jib lubbing mechanism 6, i.e., running block 8, fixed pulley group 10, jib lubbing mechanism 6 is linked together with variable amplitude rope 9.
In the step (S1), there are two groups of suspension centres on running block 8, ancillary equipment slings outer suspension centre A with hoist cable, another
The slightly long hoist cable connection of interior suspension centre B.
In the step (S2), before variable amplitude rope 9 passes through row's rope pulley 7.1, gear rope pipe D need to be removed, be loaded on after putting on,
Prevent variable amplitude rope 9 from jumping out.
In the step (S3), the hoist cable of outer suspension centre A is laid down after the hoist cable tightening of suspension centre B interior on running block 8.
In the step (S4), the 4th pin shaft E of dismounting can be placed at the F of fixed pulley group 10.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (7)
1. a kind of movable arm tower crane pull rod, it is characterised in that: including variable amplitude rope (9), jib lubbing mechanism (6), auxiliary body (2), be used for
Traction running block (10) to the traction rope (11) of amplitude draw-bar group (12), running block (10), with tower top (7) it is hinged determine cunning
Wheel group (8), with running block (10) hinged amplitude draw-bar group (12), tower top (7), be mounted on cantilever crane (13) and guide traction rope
(11) transition pulley (3), the 4th pin shaft (E) and hauling block device (4), the running block (10) and fixed pulley group (8)
It is connected by the variable amplitude rope (11), and fixed with the 4th pin shaft (E), the variable amplitude rope (11) is wrapped in the luffing machine
On structure (6)；Two rotation pulley blocks (5) on the running block (10) connect the traction rope (11)；The auxiliary body
(2) it is mounted on cantilever crane (13), the traction rope (11) is wrapped on the auxiliary body (2)；The amplitude draw-bar group (12)
It is mounted on cantilever crane (13), the tower top (7) has gusset piece (7.2) and row rope pulley (7.1), and the gusset piece (7.2) is hinged
The fixed pulley group (8), row's rope pulley (7.1) are the variable amplitude rope (9) transition；There are two the transition pulleys (3), peace
Mounted in the upper of cantilever crane (13)；The hauling block device (4) is mounted on cantilever crane (13)；
The fixed pulley group (8) includes fixed pulley frame (81), multiple first pulleys (82), two second pulleys (83), described more
In fixed pulley frame (81), the fixed pulley frame (81) includes first for a first pulley (82), two second pulley (83) settings
Upper plate (85), the first lower plate (86), first partition (87), two piece first connecting plate hinged for tower top gusset piece (7.2)
(88), the first folded plate (89), the first sealing plate (90), the first side plate (91), the second side plate (92), pillar (93), described first every
Plate (87) is made of muti-piece, and is fixed between first upper plate (85), the first lower plate (86), first connecting plate (88)
It is fixed between the first upper plate (85) and the first lower plate (86), two piece of first connecting plate (88) is located at first partition (87)
Outside, the first partition (87) are equipped with coaxial through-hole with first connecting plate (88), and first sealing plate (90) has two
Block is fixed on one side on the first upper plate (85) and the first lower plate (86), and one end is fixed in the outside of first connecting plate (88),
Affixed first folded plate (89) of another side, first folded plate (89) are equipped with coaxial lead to first connecting plate (88)
Hole, first side plate (91) and the second side plate (92) are fixed on the first upper plate (85), are divided to or so two groups, first side plate
(91) it is located on the outside of second side plate (92), the pillar (93) is fixed on the first side plate (91) and the second side plate (92),
For preventing variable amplitude rope (9) from jumping out；
The running block (10) includes movable pulley rack (61), multiple third pulleys (62), for fixed rotation running block (5)
The first pin shaft (1), two rotation pulley blocks (5) for wearing traction rope, the setting of the multiple third pulley (62) slides dynamic
In wheel carrier (61), described two rotation pulley blocks (5) are mounted on movable pulley rack (61), and the movable pulley rack (61) includes second
Two piece of second connecting plate when upper plate (64), the second lower plate (65), second partition (66), installation for fixed pulley group (8) connection
(67), for the third connecting plate 68 of pull rod group (12) connection and the lifting lug (69) of installation, the second partition (66) has more
Block composition, and be fixed between second upper plate (65), the second lower plate (65), second lower plate (65) has to be rotated with two
The hinged hole of pulley blocks (5), there are also the hole of fixed first pin shaft 1, second connecting plate (67) is fixed in the second upper plate
(64) between the second lower plate 65, two piece of second connecting plate (67) is located at the outside of second partition (66), described second every
Plate (66) is equipped with coaxial through-hole with second connecting plate (67), third connecting plate (68), and the third connecting plate (68) is solid
The centre in entire movable pulley rack (61) is connect, the lifting lug (69) is fixed on the second upper plate (65)；
The rotation pulley blocks (5) include rotation pulley yoke (51), the 4th pulley (52), truckle (53), the rotation pulley
Frame (51) includes the first otic placode (54), the second otic placode (55), stiffening plate (56), two pieces of third otic placodes (57), first otic placode
(54) there are two holes on, wherein a hole is by the first pin shaft (1) come what is fixed, another hole is for hinged 4th pulley (52)
, first otic placode (54) is equipped with coaxial through-hole with the second otic placode (55), and the third otic placode (57) is fixed in the first ear
On plate (54), the second otic placode (55), the hole coaxial arrangement of two pieces of third otic placodes (57), the stiffening plate (56) is fixed in the second ear
Plate (55), truckle (53) setting is between two pieces of third otic placodes (57) of rotation pulley yoke (51), the 4th pulley
(52) it is arranged between the first otic placode (54) and the second otic placode (55) of rotation pulley yoke (51), the rotation pulley blocks (5) exist
Under off working state, rotation pulley blocks (5) need to be fixed on running block (10) with the first pin shaft (1)；In the operating condition,
(10) 90 degree of rotary motion pulley blocks are needed, then is blocked with the first pin shaft (1)；
The hauling block device (4) include the 5th pulley (4.1), fixed frame (4.2), pulley yoke (30), the second pin shaft (43),
Third pin shaft (44), bolt (35), backing pin (36), the fixed frame (4.2) are installed to cantilever crane (13) by the second pin shaft (43)
On, the third pin shaft (44) passes through fixed frame (4.2), and is fixed on fixed frame (4.2), and the 5th pulley (4.1) sets
It sets in the pulley yoke (30) on fixed frame (4.2), the fixed frame (4.2) includes the first sealing plate (45), transverse tube (46), vertical tube
(47), the 4th otic placode (48), the 5th otic placode (49), affixed first sealing plate (45) in transverse tube (46) both ends, the transverse tube (46)
It is upper that there are three through-hole, described vertical tube (47) one end is fixed in transverse tube (46) porose side, affixed first sealing plate (45) of the other end,
4th otic placode (48) is fixed in plane on vertical tube (47), and the 5th otic placode (49) is fixed in vertical tube (47) lower plane, institute
State the hole coaxial arrangement of the 4th otic placode (48) and the 5th otic placode (49), the pulley yoke (30) include two pieces of third side plates (31),
Connecting plate (32), set (33), the 6th otic placode (34), two blocks of side plates (31) holding certain distance open shelves, the connecting plate (32)
It is fixed in one end of two pieces of side plates (31), the affixed set of the other end (33) of the side plate (31), the hole of two blocks of side plates (31)
Coaxial arrangement, the 6th otic placode (34) are fixed on one of side plate (31), on the set (33) and fixed frame (4.2)
Hingedly, the backing pin (36) is fixed on side plate (31) for 4th otic placode (48) and the 5th otic placode (49), and the bolt (35) is fixed
The 4th otic placode (48) on the 6th otic placode (34) and fixed frame (4.2) on the pulley yoke (30)；
The cantilever crane pull rod group (12) is made of more pull rods, one with running block (10) hingedly, other end and cantilever crane (13)
Hingedly.
2. a kind of installation method of movable arm tower crane pull rod as described in claim 1, comprising the following steps:
(S1) running block (10) and fixed pulley group (8) are hung to tower top (7) by ancillary equipment, while start jib lubbing mechanism
(6) loosen variable amplitude rope (9).
(S2) variable amplitude rope (9) are passed through into row rope pulley (7.1), fixed pulley group (8) is then installed to the gusset piece of tower top (7)
(7.2) on.
(S3) it starts auxiliary body (2), draws traction rope (11), traction rope (11) exit passes through transition pulley (3), is then passed through
The 5th pulley (4.1) on hauling block device (4), the rotation pulley blocks (5) being then passed through on running block (10), eventually passes back to
Third pin shaft (44) on hauling block device (4), with hauling block device (4) is connected and fixed.
(S4) the 4th pin shaft (E) for removing connection running block (10) and fixed pulley group (8), starts auxiliary body (2), makes cunning
Wheel group (10) is mobile to cantilever crane (13) direction under the action of traction rope (11), while starting jib lubbing mechanism (6) and loosening variable amplitude rope
(9), ancillary equipment follower pulley group (10) moves together.
(S5) continue to start auxiliary body (2), stop when running block (10) is moved to cantilever crane pull rod group (12), and by dynamic cunning
Wheel group (10) and cantilever crane pull rod group (12) connection.
(S6) traction rope (11) are removed, traction rope (11) is wound back on auxiliary body (2), and unclamp ancillary equipment.
(S7) jib lubbing mechanism (6) are started, tense variable amplitude rope (9), cantilever crane (13) setting in motion.
3. movable arm tower crane pull rod installation method as claimed in claim 2, it is characterised in that: in the step (S1), variable amplitude rope
(9) running block (10) and fixed pulley group (8) are linked together before factory and is wound on jib lubbing mechanism (6), that is, used
Variable amplitude rope (9) links together running block (10), fixed pulley group (8), jib lubbing mechanism (6).
4. movable arm tower crane pull rod installation method as claimed in claim 2, it is characterised in that: in the step (S1), movable pulley
There are two groups of suspension centres in group (10), ancillary equipment slings outer suspension centre (A) with hoist cable, the slightly long hoist cable connection of another interior suspension centre (B).
5. movable arm tower crane pull rod installation method as claimed in claim 2, it is characterised in that: in the step (S2), variable amplitude rope
(9) before the row of passing through rope pulley (7.1), pipe (D) that gear need to be restricted is removed, and is loaded on after putting on, is prevented variable amplitude rope (9) from jumping out.
6. movable arm tower crane pull rod installation method as claimed in claim 2, it is characterised in that: in the step (S3), slided when dynamic
The hoist cable of outer suspension centre (A) is laid down after the hoist cable tightening of interior suspension centre (B) in wheel group (10).
7. movable arm tower crane pull rod installation method as claimed in claim 2, it is characterised in that: in the step (S4), dismounting
4th pin shaft (E) can be placed at (F) of fixed pulley group (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583174.XA CN109809310B (en) | 2018-12-24 | 2018-12-24 | Swing arm tower crane pull rod and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583174.XA CN109809310B (en) | 2018-12-24 | 2018-12-24 | Swing arm tower crane pull rod and installation method thereof |
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| Publication Number | Publication Date |
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| CN109809310A true CN109809310A (en) | 2019-05-28 |
| CN109809310B CN109809310B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811583174.XA Active CN109809310B (en) | 2018-12-24 | 2018-12-24 | Swing arm tower crane pull rod and installation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111186779A (en) * | 2020-02-27 | 2020-05-22 | 徐州建机工程机械有限公司 | Novel crane boom mounting mode of movable arm tower crane |
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|---|---|
| CN109809310B (en) | 2024-06-11 |
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