CN102616695A - Hoisting mechanism capable of preventing steel wire ropes from being twisted - Google Patents
Hoisting mechanism capable of preventing steel wire ropes from being twisted Download PDFInfo
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- CN102616695A CN102616695A CN2012100777092A CN201210077709A CN102616695A CN 102616695 A CN102616695 A CN 102616695A CN 2012100777092 A CN2012100777092 A CN 2012100777092A CN 201210077709 A CN201210077709 A CN 201210077709A CN 102616695 A CN102616695 A CN 102616695A
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- steel rope
- steel wire
- fixed pulley
- pulley set
- rope
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Abstract
The invention relates to a hoisting mechanism capable of preventing steel wire ropes from being twisted, wherein a fixed pulley set and a lifting hook movable pulley set are vertically arranged; the fixed pulley set and the lifting hook movable pulley set are axially and vertically arranged; furthermore, pulleys are same in diameter; one end of each steel wire rope is connected with a hoisting winch; the other end of each steel wire rope bypasses the fixed pulley set and the lifting hook movable pulley set and then is fixedly connected with a lower connecting member of an anti-rotation sleeve; the anti-rotation sleeve is connected with a lifting arm structural pin shaft through the connecting member on the anti-rotation sleeve; no matter how the distance between the lifting hook movable pulley set and the fixed pulley set is changed, the steel wire ropes always enter a pulley rope groove in parallel; and each rope entrance angle is kept at zero. On the premise of ensuring that the rope entrance angle of each steel wire rope satisfies normal operation, the distance between the steel wire ropes is enlarged, and the anti-toque section coefficient of a steel wire rope set is effectively increased; on the one hand, torsion force generated in the working process is reduced; on the other hand, the anti-toque capability is increased, so that the phenomenon that the hoisting mechanism cannot revolve and cannot be twisted under the bad working condition at high hoisting height can be reliably ensured.
Description
Technical field
A kind of lifting mechanism that prevents the steel rope twisting of the present invention belongs to lifting facility field, particularly the lifting mechanism of hoisting crane.
Background technology
Be accompanied by the fast development of China's capital construction, this foundation construction equipment of hoisting crane has obtained widespread use.Existing crane hoisting mechanism running block 9, fixed pulley group 10 adopt usually and are arranged in parallel; The spacing of steel rope 11 is less, and twisting resistance is not enough, if strengthen the steel rope spacing through increasing assembly pulley middle pulley horizontal throw each other separately; So when running block 9 and fixed pulley group 10 are nearer apart; The rope feeding angle that steel rope gets into the pulley race is just bigger, can't satisfy the needs (referring to Fig. 5) of lifting mechanism normal operation, along with the continuous increase of construction height; The spin problem of twisting of steel rope becomes increasingly conspicuous; This not only has influence on the life-span of steel rope, causes direct economic loss, and has brought certain potential safety hazard to construction because of reversing also of lifting mechanism.
Therefore, various and complicated along with the hoisting crane applying working condition, also increasingly high to the hoisting crane performance requriements, research and develop and a kind ofly can prevent the spin lifting mechanism device of twisting of steel rope, have crucial meaning.Both can reduce the wearing and tearing of steel rope, and improve steel rope service life, the assurance construction safety can eliminate safe hidden trouble again.
Summary of the invention
The purpose of this invention is to provide a kind of lifting mechanism that prevents the steel rope twisting,, eliminate safe hidden trouble, improve steel rope service life, guarantee the good safe operation of crane hoisting mechanism to strengthen the twisting resistance of lifting mechanism.
Patented technology scheme of the present invention is following:
The present invention can prevent the lifting mechanism of steel rope twisting, comprises the winch that hoists, boom structure; The suspension hook running block, fixed pulley group, steel rope and anti-pivoted housing; Fixed pulley group and suspension hook running block are for arranging up and down; The fixed pulley group is axially vertical setting with the suspension hook running block, and the diameter of pulley size is consistent, and steel rope one end is connected with the winch that hoists; The steel rope other end walk around behind fixed pulley group and the suspension hook running block with anti-pivoted housing under attaching parts captive joint, anti-pivoted housing then is connected with the boom structure bearing pin through its upper connector.
Anti-pivoted housing is made up of last structure and following structure, is provided with bearing between the upper and lower structure, can relatively rotate between the upper and lower structure.
Anti-rotation cover upper connector is an arm-tie, puts the structure bearing pin with anti-rotation and is connected.
Attaching parts is wedge joint under the anti-pivoted housing, is provided with solid rope clamp, and the structure bearing pin is connected under wedge joint and the anti-pivoted housing.
Patent characteristics of the present invention are that the suspension hook running block adopts vertical up and down layout with the fixed pulley group, and the pulley size is consistent, no matter how the distance between suspension hook running block and the fixed pulley group changes; The parallel all the time entering rope race of steel rope; Rope feeding angle remains zero, is guaranteeing that the steel rope rope feeding angle satisfies the spacing that has strengthened steel rope under the prerequisite of lifting mechanism normal operation, has effectively improved steel rope group Torsion Section coefficient; Steel rope adopts non-rotating cable; The twisting resistance that produces in the course of the work is smaller, and the steel rope end installed anti-pivoted housing, and the twisting resistance that produces in the steel rope working process drives under the anti-pivoted housing the relative anti-rotation of structure and puts structure and rotate; Also rotate with following structure bonded assembly steel rope; Twisting resistance in the steel rope will obtain actv. along with the rotation of self and discharge, and steel rope just can not reverse together to each other like this, has reduced the twisting resistance that produces in the working process on the one hand; Strengthened twisting resistance on the other hand, thereby guaranteed under the bad working environments of big elevating height, the do not spin phenomenon of twisting of lifting mechanism with regard to failure-free.
Description of drawings
Fig. 1 is a lifting mechanism front view of the present invention
Fig. 2 is a lifting mechanism lateral plan of the present invention
Fig. 3 is a lifting mechanism A-A view of the present invention
Fig. 4 is that lifting mechanism steel rope of the present invention connects scheme drawing
Fig. 5 is that prior art lifting mechanism running block and fixed pulley group axially parallel are provided with scheme drawing
The specific embodiment
How combine accompanying drawing to further specify patent of the present invention implements at present:
A kind of lifting mechanism that prevents the steel rope twisting of patent of the present invention comprises the winch that hoists, boom structure 5, suspension hook running block 1, fixed pulley group 2, steel rope 3 and anti-pivoted housing 4.Above-mentioned anti-pivoted housing is made up of last structure 4-1, following structure 4-2, is provided with bearing 4-3 between last structure 4-1, the following structure 4-2, can relatively rotate between last structure 4-1, the following structure 4-2.
Fixed pulley group 2 is arranged on the boom structure 5; Connect through steel rope 3 between fixed pulley group 2 and the suspension hook running block 1, an end of steel rope 3 is fixed on the winch M that hoists, after steel rope 3 other ends are walked around suspension hook running block 1; Be pressed abd fixed in the wedge joint 7 with rope clamp 8; The other end of wedge joint 7 is connected through bearing pin with following structure 4-2, and arm-tie 6 is arranged between anti-pivoted housing 4 and the boom structure 5, and utilizes bearing pin hinged respectively with last structure 4-1 and boom structure 5.
Suspension hook running block 1 adopts vertical up and down layout with fixed pulley group 2; And running block 1, fixed pulley group 2 used pulley size unanimities, although the distance between suspension hook running block 1 and the fixed pulley group 2 can increase and decrease along with the variation of lifting altitude, steel rope 3 is got into fixed pulley groups 1 and is remained zero by the rope feeding angle that fixed pulley group 1 gets into running block 2 by running block 2; Guaranteeing that the steel rope rope feeding angle satisfies the spacing that has strengthened steel rope 3 under the prerequisite of lifting mechanism normal operation; Effectively improved steel rope group Torsion Section coefficient, steel rope 3 adopts non-rotating cable, and the twisting resistance that produces in the course of the work is smaller; And steel rope 3 ends have been installed anti-pivoted housing 4; Structure 4-2 went up structure 4-1 rotation relatively under the twisting resistance that produces in the steel rope working process drove, and also rotated with following structure 4-2 bonded assembly steel rope, and the twisting resistance in the steel rope will obtain actv. along with the rotation of self and discharge; Steel rope just can not reverse together to each other like this; Reduced on the one hand the twisting resistance that produces in the working process, strengthened twisting resistance on the other hand, the phenomenon of twisting thereby whole lifting mechanism just can not spin.
Claims (4)
1. the lifting mechanism that can prevent the steel rope twisting comprises the winch that hoists, boom structure; The suspension hook running block, fixed pulley group, steel rope and anti-pivoted housing; It is characterized in that fixed pulley group and suspension hook running block are for arranging up and down; The fixed pulley group is axially vertical setting with the suspension hook running block, and the diameter of pulley size is consistent, and steel rope one end is connected with the winch that hoists; The steel rope other end walk around behind fixed pulley group and the suspension hook running block with anti-pivoted housing under attaching parts captive joint, anti-pivoted housing then is connected with the boom structure bearing pin through its upper connector.
2. a kind of lifting mechanism that prevents the steel rope twisting according to claim 1 is characterized in that anti-pivoted housing is made up of last structure and following structure, is provided with bearing between the upper and lower structure, can relatively rotate between the upper and lower structure.
3. a kind of lifting mechanism that prevents the steel rope twisting according to claim 1 is characterized in that anti-rotation cover upper connector is an arm-tie, and arm-tie puts the structure bearing pin with anti-rotation and is connected.
4. a kind of lifting mechanism that prevents the steel rope twisting according to claim 1 is characterized in that attaching parts is wedge joint under the anti-pivoted housing, is provided with solid rope clamp, and the structure bearing pin is connected under wedge joint and the anti-pivoted housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100777092A CN102616695A (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing steel wire ropes from being twisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100777092A CN102616695A (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing steel wire ropes from being twisted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102616695A true CN102616695A (en) | 2012-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100777092A Pending CN102616695A (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing steel wire ropes from being twisted |
Country Status (1)
| Country | Link |
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| CN (1) | CN102616695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204438A (en) * | 2012-12-06 | 2013-07-17 | 浙江虎霸建设机械有限公司 | Movable arm type tower crane arm tip segment structure |
| CN108678689A (en) * | 2018-04-23 | 2018-10-19 | 廖恒伟 | A kind of oil-well rig hydraulic hoisting machine host |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01299195A (en) * | 1988-05-25 | 1989-12-01 | Kawasaki Heavy Ind Ltd | Structure for putting around wire rope of high-lift crane |
| CN201220898Y (en) * | 2008-05-09 | 2009-04-15 | 卫华集团有限公司 | Fixing device for wire rope |
| CN201334321Y (en) * | 2008-12-25 | 2009-10-28 | 浙江虎霸建设机械有限公司 | Anti-twisting device for hoist rope of stacker crane |
| CN101633481A (en) * | 2009-08-05 | 2010-01-27 | 长沙中联重工科技发展股份有限公司 | Connection device of wirerope wedging sleeve and hoist with same |
| CN202508812U (en) * | 2012-03-22 | 2012-10-31 | 武桥重工集团股份有限公司 | Hoisting mechanism capable of preventing wire rope from wringing |
-
2012
- 2012-03-22 CN CN2012100777092A patent/CN102616695A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01299195A (en) * | 1988-05-25 | 1989-12-01 | Kawasaki Heavy Ind Ltd | Structure for putting around wire rope of high-lift crane |
| CN201220898Y (en) * | 2008-05-09 | 2009-04-15 | 卫华集团有限公司 | Fixing device for wire rope |
| CN201334321Y (en) * | 2008-12-25 | 2009-10-28 | 浙江虎霸建设机械有限公司 | Anti-twisting device for hoist rope of stacker crane |
| CN101633481A (en) * | 2009-08-05 | 2010-01-27 | 长沙中联重工科技发展股份有限公司 | Connection device of wirerope wedging sleeve and hoist with same |
| CN202508812U (en) * | 2012-03-22 | 2012-10-31 | 武桥重工集团股份有限公司 | Hoisting mechanism capable of preventing wire rope from wringing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204438A (en) * | 2012-12-06 | 2013-07-17 | 浙江虎霸建设机械有限公司 | Movable arm type tower crane arm tip segment structure |
| CN108678689A (en) * | 2018-04-23 | 2018-10-19 | 廖恒伟 | A kind of oil-well rig hydraulic hoisting machine host |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |