CN202508812U - Hoisting mechanism capable of preventing wire rope from wringing - Google Patents
Hoisting mechanism capable of preventing wire rope from wringing Download PDFInfo
- Publication number
- CN202508812U CN202508812U CN 201220110816 CN201220110816U CN202508812U CN 202508812 U CN202508812 U CN 202508812U CN 201220110816 CN201220110816 CN 201220110816 CN 201220110816 U CN201220110816 U CN 201220110816U CN 202508812 U CN202508812 U CN 202508812U
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- CN
- China
- Prior art keywords
- steel rope
- fixed pulley
- wire rope
- pulley set
- rope
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a hoisting mechanism capable of preventing a wire rope from wringing, wherein, a fixed pulley set and a lifting hook movable pulley set are arranged up and down; the fixed pulley set and the lifting hook movable pulley set are arranged vertically in the axial direction, and the pulley diameters are concordant; one end of the wire rope is connected with a lifting windlass, and the other end of the wire rope winds around the fixed pulley set and the lifting hook movable pulley set and then is fixedly connected with a lower connecting piece of an anti-rotation sleeve; the anti-rotation sleeve is in pin connection with a suspension arm structure through an upper connecting piece of the anti-rotation sleeve; in addition, the wire rope enters a pulley rope groove in parallel all along rather than being influenced by the changes of the distances between the lifting hook movable pulley set and the fixed pulley set, the rope entering angle is kept to be zero, the space between the wire ropes can be increased on the premise that the rope entering angle of the wire rope satisfies the normal operation, the section modulus in torsion of a wire rope set is improved effectively, the tensional force generated during the operation process is reduced on one hand, and the twisting resistance capability can be improved on the other hand, so that the phenomenon that the hoisting mechanism whirls and wrings under the bad working condition of great lifting height can be avoided reliably.
Description
Technical field
A kind of lifting mechanism that prevents the steel rope twisting of the utility model 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 the utility model provides a kind of lifting mechanism that prevents the steel rope twisting, to strengthen the twisting resistance of lifting mechanism, eliminates safe hidden trouble, and improves steel rope service life, guarantees the good safe operation of crane hoisting mechanism.
The utility model patented technology scheme is following:
The utility model 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.
The utility model patent characteristics 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 structure and puts structure relative to anti-rotation 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 the utility model lifting mechanism front view
Fig. 2 is the utility model lifting mechanism lateral plan
Fig. 3 is the utility model lifting mechanism A-A view
Fig. 4 is that the utility model lifting mechanism steel rope 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 the utility model patent implements at present:
A kind of lifting mechanism that prevents the steel rope twisting of the utility model patent 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 rotated relative to going up structure 4-1 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 |
|---|---|---|---|
| CN 201220110816 CN202508812U (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing wire rope from wringing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110816 CN202508812U (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing wire rope from wringing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202508812U true CN202508812U (en) | 2012-10-31 |
Family
ID=47061310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220110816 Expired - Lifetime CN202508812U (en) | 2012-03-22 | 2012-03-22 | Hoisting mechanism capable of preventing wire rope from wringing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202508812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616695A (en) * | 2012-03-22 | 2012-08-01 | 武桥重工集团股份有限公司 | Hoisting mechanism capable of preventing steel wire ropes from being twisted |
-
2012
- 2012-03-22 CN CN 201220110816 patent/CN202508812U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616695A (en) * | 2012-03-22 | 2012-08-01 | 武桥重工集团股份有限公司 | Hoisting mechanism capable of preventing steel wire ropes from being twisted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160504 Address after: 430090 Hubei Province, Wuhan city street Shamao Hannan Shing Road No. 228 Patentee after: WUHAN BRIDGE ZHONGKE ENGINEERING CO., LTD. Address before: 430056 No. 777, Zhuankou Road, Wuhan economic and Technological Development Zone, Hubei, China Patentee before: China Railway Wuhan Bridge Industries Limited |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |