CN203667861U - Assembly device for variable-amplitude pulley block - Google Patents
Assembly device for variable-amplitude pulley block Download PDFInfo
- Publication number
- CN203667861U CN203667861U CN201320811983.8U CN201320811983U CN203667861U CN 203667861 U CN203667861 U CN 203667861U CN 201320811983 U CN201320811983 U CN 201320811983U CN 203667861 U CN203667861 U CN 203667861U
- Authority
- CN
- China
- Prior art keywords
- assembly pulley
- crawler crane
- luffing
- pulley block
- shears
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model relates to an assembly device for a variable-amplitude pulley block. The assembly device comprises an assembly bracket, a cable drum and a stay rope, wherein the variable-amplitude pulley block to be assembled can be suspended at the top end of the assembly bracket; the cable drum is arranged behind a crawler crane; the assembly bracket is positioned near to a pulley block on a propeller strut of the crawler crane in front of the crawler crane in the rope penetrating section so as to implement the near rope penetration between the variable-amplitude pulley block and the pulley block of the propeller strut; the assembly bracket moves to a position far from the pulley block on the propeller strut of the crawler crane in the towing section so as to connect the head of an arm frame of the crawler crane with the variable-amplitude pulley block through the stay rope. The assembly device for the variable-amplitude pulley block adopts the near rope penetration solution to enable operators to have no need to implement large-range hauling for steel wire ropes in the rope penetration, so that manpower is saved, the labor intensity is reduced, the steel wire ropes are tightened more easily, and the rope jumping phenomenon is prevented; meanwhile, the occupied space in the whole assembly process is smaller, and pollution to ground is relatively little.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of luffing assembly pulley assembling device.
Background technology
In the existing crawler crane with luffing range of cantilever support function, need to install luffing assembly pulley, as shown in Figure 1, the assembly method of luffing assembly pulley a1 is: first drag-line a3 is connected with jib a7 with luffing assembly pulley a1, and launch steel rope a9 from be placed on the cable drum a6 of the positive rear end of crawler crane, then by steel rope a9, the track adjusting wheel a8 on Shears a5 imports, and carries out wire rope handling between assembly pulley on Shears a5 and luffing assembly pulley a1.After wire rope handling, the fag end of steel rope a9 is fixed on the assembly pulley of Shears a5, and end fag end is fixed on luffing elevator by wedge, then be involved in steel rope by luffing elevator, after steel rope is tightened, stop scrolling, finish whole fitting work.
Wire rope handling process need in this assembly method launches steel rope completely, when wire rope handling, need many people to pull steel rope, often wearing one group of pulley need pull once, because wire rope handling distance is larger, steel rope self is heavier, the artificial dynamics pulling is limited, and steel rope can not ensure to tighten completely, easily causes rope skipping phenomenon.Occupation of land place is large, assembly crewman is many, labour intensity is large, and ground pollution is serious.
As shown in Figure 2, the assembly method of another kind of luffing assembly pulley a1 is: first drag-line a3 is connected with jib a7 with luffing assembly pulley a1, again the steel rope in cable drum is involved in the reel of luffing elevator completely, then luffing elevator reversion, between the assembly pulley of the steel rope a9 drawing on Shears a5 and luffing assembly pulley a1, grow apart from wire rope handling, after treating wire rope handling, the fag end of steel rope a9 is fixed on the assembly pulley of Shears a5, luffing elevator backwards rotation again, treat that steel rope tightens, finish whole fitting work.
This assembly method need to import steel rope luffing elevator in reel, time of setting up is longer, although the steel rope discharging from elevator has certain stretching force, but still need manual work guiding, pulling, occupied ground is large, assembly crewman is many, labour intensity is large, ground pollution is serious, because wire rope handling distance is larger, steel rope self is heavier, the artificial dynamics pulling is limited, and steel rope can not ensure to tighten completely, easily causes rope skipping phenomenon, occupied ground is large, assembly crewman is many, labour intensity is large, and ground pollution is serious.
Utility model content
The purpose of this utility model is to propose a kind of luffing assembly pulley assembling device, can overcome the long shortcoming of bringing apart from wire rope handling, reduces working strength, promotes work efficiency.
For achieving the above object, the utility model provides a kind of luffing assembly pulley assembling device, comprise: Mount support, cable drum and drag-line, described Mount support can suspend on top luffing assembly pulley to be assembled in midair, described cable drum is arranged on the rear of crawler crane, wherein, described Mount support is arranged on the position of described crawler crane front near the assembly pulley on the Shears of described crawler crane in the wire rope handling stage, so that wire rope handling closely between described luffing assembly pulley and the assembly pulley of described Shears, described Mount support moves to the position of described crawler crane front away from the assembly pulley on the Shears of described crawler crane in the traction stage, to be connected by described drag-line between the jib head of described crawler crane and described luffing assembly pulley.
Further, also comprise power traction mechanism, draw hauling rope and connect described luffing assembly pulley, by drawing described luffing assembly pulley, described Mount support is moved to the position of described crawler crane front away from the assembly pulley on the Shears of described crawler crane in the traction stage.
Further, described power traction mechanism is hoisting trolley.
Further, described Mount support comprises: moving part, support portion and suspention portion, described support portion comprises two groups of framed structures triangular in shape, be symmetricly set on the both sides of described crawler crane, described suspention portion is fixedly connected with the top of described support portion, be used for suspending in midair described luffing assembly pulley, described moving part is fixedly installed on the below of described support portion, can drive described Mount support to move in the front of described crawler crane.
Based on technique scheme, the utility model is arranged on Mount support in the wire rope handling stage position of crawler crane front near the assembly pulley on the Shears of crawler crane, first carry out the wire rope handling work between luffing assembly pulley and the assembly pulley of Shears, after finishing, wire rope handling again Mount support is moved to the position away from the assembly pulley on the Shears of crawler crane, to be connected by drag-line between the jib head of crawler crane and luffing assembly pulley.Due to the assembly pulley close together of luffing assembly pulley and Shears, therefore operator in the time carrying out closely wire rope handling without steel rope is pulled on a large scale, thereby saving manpower, reduce labour intensity, and easier tense wire rope, avoid rope skipping phenomenon, whole fitting process of while takes up room less, also relatively little to the pollution on ground.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the assembly method of luffing assembly pulley in existing a kind of crawler crane.
Fig. 2 is the schematic diagram of the assembly method of luffing assembly pulley in existing another kind of crawler crane.
Fig. 3 is the structural representation of an embodiment of the utility model luffing assembly pulley assembling device.
Fig. 4 is the structural representation of another embodiment of the utility model luffing assembly pulley assembling device.
Fig. 5 is the structural representation of Mount support in the utility model luffing assembly pulley assembling device embodiment.
Fig. 6 is the structural representation of cable drum in the utility model luffing assembly pulley assembling device embodiment.
Fig. 7 is the structural representation of hoisting trolley in the utility model luffing assembly pulley assembling device embodiment.
Fig. 8 is the luffing assembly pulley assemble flow schematic diagram based on the utility model luffing assembly pulley assembling device embodiment.
Fig. 9 is the whole status of processes schematic diagram of Fig. 8 flow process.
Figure 10 is the schematic diagram of the closely wire rope handling operation based on the utility model luffing assembly pulley assembling device embodiment.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 3, be the structural representation of an embodiment of the utility model luffing assembly pulley assembling device.In the present embodiment, luffing assembly pulley assembling device comprises: Mount support 1, cable drum 2 and drag-line (not shown).Mount support 3 can suspend on top luffing assembly pulley 3 to be assembled in midair, and cable drum 2 is arranged on the rear of crawler crane.The different phase that Mount support 1 assembles at luffing assembly pulley 3 is arranged on different positions, wherein Mount support 1 is arranged on the position of crawler crane front near the assembly pulley 5 on the Shears 4 of crawler crane in the wire rope handling stage, and this can conveniently carry out closely wire rope handling between luffing assembly pulley 3 and the assembly pulley 5 of Shears 4.And in the traction stage, make it away from Shears by mobile Mount support, steel rope is pulled out from cable drum 2 until the process that steel rope discharges completely from cable drum 2, Mount support 1 can be moved to the position of crawler crane front away from the assembly pulley 5 on the Shears 4 of crawler crane in the effect of tensile force f, to be connected by drag-line between jib 7 heads of crawler crane and luffing assembly pulley 1.
By the position of Mount support is reasonably set at the different assembling stages of luffing assembly pulley, make Mount support be arranged on the position of crawler crane front near the assembly pulley on the Shears of crawler crane in the wire rope handling stage, first carry out the wire rope handling work between luffing assembly pulley and the assembly pulley of Shears, Mount support is moved to the position away from the assembly pulley on the Shears of crawler crane by the traction stage after wire rope handling finishes, to be connected by drag-line between the jib head of crawler crane and luffing assembly pulley.Due to the assembly pulley close together of the luffing assembly pulley in the wire rope handling stage and Shears, therefore operator in the time carrying out closely wire rope handling without steel rope is pulled on a large scale, thereby saving manpower, reduce labour intensity, and easier tense wire rope, avoid rope skipping phenomenon, whole fitting process of while takes up room less, also relatively little to the pollution on ground.
In another embodiment, can also increase power traction mechanism, connect luffing assembly pulley by drawing hauling rope, Mount support is moved to the position of crawler crane front away from the assembly pulley on the Shears of crawler crane in the traction stage by drawing described luffing assembly pulley.In embodiment as shown in Figure 4, power traction mechanism adopts hoisting trolley 6, this hoisting trolley 6 can provide traction luffing assembly pulley 3, so that Mount support 1 moves to the power of crawler crane front away from the position of the assembly pulley 5 on the Shears 4 of crawler crane, Fig. 7 shows a kind of implementation structure of hoisting trolley 6, comprise driving engine (not shown), hauling rope reel 62, handle 61 and roller 63, rotate to provide tractive force to luffing assembly pulley 3 by driven by engine hauling rope reel 62, and handle 61 and roller 63 are parts of dolly car body, be used for handled easily personnel push-and-pull hoisting trolley.Hoisting trolley 6, than manpower traction's mode, can greatly be saved manpower, reduces labour intensity, also can save work-yard simultaneously.
The frock that power traction mechanism also can adopt motor to add reel substitutes, and can reach equally the traction effect of hoisting trolley.
Fig. 5 shows a kind of implementation structure of Mount support, wherein Mount support comprises: moving part 11, support portion 12 and suspention portion 13, support portion 11 comprises two groups of framed structures triangular in shape, be symmetricly set on the both sides of crawler crane, suspention portion 13 is fixedly connected with the top of support portion 12, be used for suspending in midair luffing assembly pulley 3, moving part 11 is fixedly installed on the below of support portion 12, can drive Mount support to move in the front of crawler crane.Fig. 6 shows a kind of implementation structure of cable drum.Wherein, roller stand can be placed on the ground, and reel is fixed on roller stand, and can rotate with respect to roller stand, is being wound around steel rope on reel, and when steel rope is subject to used time of doing of tractive force, reel can rotate around axis.
Based on the embodiment of above-mentioned each luffing assembly pulley assembling device, corresponding luffing assembly pulley assemble flow is referring to the example of Fig. 8.Fig. 9 has embodied multiple states of fitting process, and this flow process comprises:
Step 102, cable drum is arranged on to the rear of described crawler crane, launch steel rope from described cable drum, track adjusting wheel by the fag end of described steel rope on described Shears imports, and carries out closely wire rope handling between assembly pulley on described Shears and described luffing assembly pulley;
After step 103, wire rope handling, the fag end of described steel rope is installed on the assembly pulley on described Shears;
Can find out from above-mentioned flow process, wire rope handling process is closely wire rope handling process of one, in actual applications, the length that the short range wire rope handling that the utility model adopts contrasts in existing assembly method has approximately shortened 7 meters apart from wire rope handling distance, and apart from length, wire rope handling order and pulling number of times is not affected.Long need several employees pull steel rope apart from wire rope handling, need take larger space, place, short range wire rope handling needs two employees to stand in and on crawler crane, gets final product wire rope handling.So just avoided that the long occupied ground bringing apart from wire rope handling is in the past large, greasy dirt completely, shortcoming that labour intensity is large, greatly reduced operator's labour intensity, shortened assembly period, improved work efficiency.
Based on comprising in the luffing assembly pulley assembling device embodiment of power traction mechanism, can adopt hoisting trolley as power traction mechanism, and the mode of traction that passes through in step 104 moves to described crawler crane front by described Mount support and can be specially away from the operation of the position of the assembly pulley on the Shears of described crawler crane: draw hauling rope and connect described luffing assembly pulley from described power traction mechanism, by drawing described luffing assembly pulley, described Mount support is moved to the position of described crawler crane front away from the assembly pulley on the Shears of described crawler crane.Utilize power traction mechanism to replace artificial pulling steel rope, in distraction procedure, can make luffing assembly pulley be subject to constant tractive force, make the stressed even of steel rope, constant discharges from cable drum, effectively prevent from departing from the phenomenon of chute and rope skipping, further reduced the working strength of operating personal.
In luffing assembly pulley assembling device of the present utility model, luffing assembly pulley 3 comprises three groups of pulleys, be respectively the first pulley 31, the second pulley 32 and the 3rd pulley 33, the assembly pulley 5 on Shears comprises two groups of pulleys, is respectively the 4th pulley 51 and the 5th pulley 52; Between assembly pulley 5 and luffing assembly pulley 3, carry out the closely operation of wire rope handling (as shown in figure 10), specifically comprise: steel rope is passed to (s1) from the inner side of the first pulley 31, walk around the first pulley 31, guide to the outside (s2) of the 4th pulley 51 from the outside of the first pulley 31; Steel rope is walked around to the 4th pulley 51, guide to the inner side (s3) of the 3rd pulley 33 from the inner side of the 4th pulley 51; Steel rope is walked around to the 3rd pulley 33, guide to the outside (s4) of the 5th pulley 52 from the outside of the 3rd pulley 33; Steel rope is walked around to the 5th pulley 52, draw go back to the inner side (s5) of the 3rd pulley 33 from the inner side of the 5th pulley 52, then steel rope is walked around to the 3rd pulley 33, guide to the outside (s6) of the 5th pulley 52 from the outside of the 3rd pulley 33; Steel rope is walked around to the 5th pulley 52, guide to the side (s7) of the second pulley 32 near the 3rd pulley 33 from the inner side of the 5th pulley 52; Steel rope is walked around to the second pulley 32, and the fag end of steel rope is guided to the inner side (s8) of the 4th pulley 51.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (4)
1. a luffing assembly pulley assembling device, comprise: Mount support, cable drum and drag-line, described Mount support can suspend on top luffing assembly pulley to be assembled in midair, described cable drum is arranged on the rear of crawler crane, it is characterized in that, described Mount support is arranged on the position of described crawler crane front near the assembly pulley on the Shears of described crawler crane in the wire rope handling stage, so that wire rope handling closely between described luffing assembly pulley and the assembly pulley of described Shears, described Mount support moves to the position of described crawler crane front away from the assembly pulley on the Shears of described crawler crane in the traction stage, to be connected by described drag-line between the jib head of described crawler crane and described luffing assembly pulley.
2. luffing assembly pulley assembling device according to claim 1, it is characterized in that, also comprise power traction mechanism, draw hauling rope and connect described luffing assembly pulley, by drawing described luffing assembly pulley, described Mount support is moved to the position of described crawler crane front away from the assembly pulley on the Shears of described crawler crane in the traction stage.
3. luffing assembly pulley assembling device according to claim 2, is characterized in that, described power traction mechanism is hoisting trolley.
4. luffing assembly pulley assembling device according to claim 1, it is characterized in that, described Mount support comprises: moving part, support portion and suspention portion, described support portion comprises two groups of framed structures triangular in shape, be symmetricly set on the both sides of described crawler crane, described suspention portion is fixedly connected with the top of described support portion, be used for suspending in midair described luffing assembly pulley, described moving part is fixedly installed on the below of described support portion, can drive described Mount support to move in the front of described crawler crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811983.8U CN203667861U (en) | 2013-12-11 | 2013-12-11 | Assembly device for variable-amplitude pulley block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811983.8U CN203667861U (en) | 2013-12-11 | 2013-12-11 | Assembly device for variable-amplitude pulley block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203667861U true CN203667861U (en) | 2014-06-25 |
Family
ID=50964180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320811983.8U Withdrawn - After Issue CN203667861U (en) | 2013-12-11 | 2013-12-11 | Assembly device for variable-amplitude pulley block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203667861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641002A (en) * | 2013-12-11 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Assembling device and method of variable-amplitude pulley block |
-
2013
- 2013-12-11 CN CN201320811983.8U patent/CN203667861U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641002A (en) * | 2013-12-11 | 2014-03-19 | 徐工集团工程机械股份有限公司 | Assembling device and method of variable-amplitude pulley block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201458596U (en) | Crane with self-dismounting device | |
| CN103641002B (en) | Luffing assembly pulley assembling device and method | |
| CN101239695A (en) | Threading method for main steel wire rope of track crane | |
| CN205474866U (en) | Through suspension cable installation circulation system | |
| CN102815627A (en) | Automatic traction system for large-scale tower-type crane standard-knot removal and installation | |
| CN102992206B (en) | Mounting method for variable-amplitude pull rod of tower crane | |
| CN105672138A (en) | Through type stayed cable installation circulation system and cable threading construction method thereof | |
| CN106144896A (en) | A kind of pull-type carriage walking mechanism | |
| CN203667861U (en) | Assembly device for variable-amplitude pulley block | |
| CN109292641B (en) | The rope-winding method of crane and crane | |
| CN103072513A (en) | Multifunctional construction vehicle for high-tension line construction | |
| CN108249317A (en) | A kind of cable crane full circle swinging trailer system and construction method | |
| CN210926884U (en) | Major diameter cable laying device | |
| CN104452594A (en) | Multi-support cable guide method cable replacement device | |
| CN201999679U (en) | Automatic reciprocating and looping system of electric block | |
| CN113788369B (en) | Cable laying winding and unwinding device and using method thereof | |
| CN213416079U (en) | Lifting device for bridge engineering | |
| CN202542743U (en) | Auxiliary reeving mechanism for mounting tower crane | |
| CN205990190U (en) | A kind of pull-type carriage walking mechanism | |
| CN113605230A (en) | Main cable traction system and method suitable for suspension bridge two-bank tunnel anchor | |
| CN213173355U (en) | T roof beam bridge floor hogging moment steel strand whole wears to restraint frock subassembly | |
| CN106081927A (en) | Gantry container crane suspender is the most anti-shakes method | |
| CN201105958Y (en) | Rope holding carriage system of tower crane | |
| CN209890124U (en) | Apparatus for removing track in shield tunnel | |
| CN108233275B (en) | Auxiliary traction system for cable to pass through CSE cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |