CN203006810U - Crane hoisting mechanism capable of dropping hook freely - Google Patents
Crane hoisting mechanism capable of dropping hook freely Download PDFInfo
- Publication number
- CN203006810U CN203006810U CN 201220616448 CN201220616448U CN203006810U CN 203006810 U CN203006810 U CN 203006810U CN 201220616448 CN201220616448 CN 201220616448 CN 201220616448 U CN201220616448 U CN 201220616448U CN 203006810 U CN203006810 U CN 203006810U
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- China
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- planetary reducer
- clutch
- hoisting mechanism
- crane hoisting
- reel
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Abstract
The utility model discloses a crane hoisting mechanism capable of dropping a hook freely, and relates to improvement of a hoist structure. The crane hoisting mechanism capable of dropping the hook freely comprises a hydraulic motor (1), a brake (2), a planetary reducer (3), a winding drum (4) and a mounting bracket (6), and further comprises a clutch (5), wherein the hydraulic motor (1) is connected with the planetary reducer (3); the brake (2) is arranged in the planetary reducer (3); the planetary reducer (3) is arranged in the winding drum (4); the winding drum (4) is arranged on the mounting bracket (6); and the clutch (5) is placed in the winding drum (4) and connected with a primary stage ring gear (7) and a secondary stage ring gear (8) of the planetary reducer (3) respectively. The primary stage ring gear and the secondary stage ring gear in the planetary reducer are separated and combined through the clutch, so that the hoist can drop the hook and lift freely; and moreover, the crane hoisting mechanism is simple in structure, saves energy, reduces consumption, and improves efficiency.
Description
Technical field
The utility model relates to the improvement of winch structure, specifically a kind of crane hoisting mechanism of realizing free off the hook.
Background technology
The hoisting mechanism of present truck mounted, crawler crane and other industry, hoist state and off the hook state are motor and drive.In the hoisting crane real work, need suspension hook is fallen in the air from height, after suspension hook tangles weight, the motor counter-rotating, then lift by crane action.Suspension hook transfer process, often the running block by several multiplying powers puts down suspension hook, so the suspension hook dropping process is slow, consuming time, efficient is low, and this process drives by motor all the time, the waste fuel oil, fall and lift by crane frequently, the positive and negative rotation that winch is regular, motor easily damages.And the free off the hook formula elevator in existing some hoisting crane vehicle, at least 1.5 times of hoisting moments that need to transmit the winch maximum because of power-transfer clutch, must transmit very large moment of torsion, so can not be approved by main flow main frame producer because of the shortcoming such as bulky, that clutch is external, clutch is not thorough.
Summary of the invention
For solving the technical matters of above-mentioned existence, the utility model provides a kind of crane hoisting mechanism of realizing free off the hook, by power-transfer clutch from, close primary annulus and the secondary gear ring of planetary reducer inside, to realize free off the hook and the lifting of winch, simple in structure, energy-saving and cost-reducing, raise the efficiency.
For achieving the above object, the technical solution adopted in the utility model is as follows:
a kind of crane hoisting mechanism of realizing free off the hook, include driver element, drg, planetary reducer, reel and mounting bracket, driver element is connected with planetary reducer, described drg is arranged at planetary reducer inside, described planetary reducer is arranged at reel inside, described reel is arranged on mounting bracket, described reel outside is wound with steel rope and suspension hook thereof, this crane hoisting mechanism also comprises power-transfer clutch, described power-transfer clutch is built in reel, the clutch transmission axle of described power-transfer clutch is connected with the primary annulus of planetary reducer, the clutch housing of described power-transfer clutch is connected with the secondary gear ring of planetary reducer.
Preferably, described power-transfer clutch adopts normally closed multi-disc friction slice clutch.
Preferably, the moment of torsion of described power-transfer clutch be the winch maximum hoisting moment 30% to 50%,
Preferably, described planetary reducer adopts two-stage NGW planetary gear transmission mechanism.
The utility model passes through at the built-in power-transfer clutch of winch, be used for from, close primary annulus and the secondary gear ring of planetary reducer, thereby realize the free off the hook of suspension hook, do not use the power of driver element, energy-saving and cost-reducing, time-saving and efficiency, and simple in structure, integrated height, disengaging of clutch is thorough, do not change the original installation dimension of crane hoisting machine and space, be built in and get final product in reel, can directly install and use on original vehicle.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is application schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
be illustrated in figure 1 as a specific embodiment of the present utility model, this can realize the crane hoisting mechanism of free off the hook, comprise driver element 1, drg 2, planetary reducer 3, reel 4 and mounting bracket 6, driver element 1 is connected with planetary reducer 3, described drg 2 is arranged at planetary reducer 3 inside, described planetary reducer 3 is arranged at reel 4 inside, described reel 4 is arranged on mounting bracket 6, the outside of described reel 4 is wound with steel rope and suspension hook thereof, this crane hoisting mechanism also comprises power-transfer clutch 5, described power-transfer clutch 5 is built in reel 4, the clutch transmission axle of described power-transfer clutch 5 is connected with the primary annulus 7 of planetary reducer 3, the clutch housing of described power-transfer clutch 5 is connected with the secondary gear ring 8 of planetary reducer 3.
The preferred normally closed multi-disc friction slice clutch that adopts of described power-transfer clutch 5, the clutch housing is connected with clutch internally toothed annulus and secondary gear ring 8 respectively, and multi-disc static friction sheet is connected by female splines with the clutch internally toothed annulus.
When empty hook falls from eminence: the oil-feed of power-transfer clutch oil inlet, power-transfer clutch 5 is opened, and dynamic and static friction lining is thrown off, primary annulus 7 separates with secondary gear ring 8, and reel 4 rotates under the traction of empty hook weight, and empty hook free-falling body is transferred, after arriving suitable height, the clutch pressure release, clutch piston return, dynamic and static friction lining compresses, primary annulus 7 and secondary gear ring 8 become one, because the inner drg 2 of planetary reducer is in closure state all the time, reel 4 stops operating, and suspension hook stops falling.
When hoisting heavy: the oil-feed of drg oil inlet, drg 2 is opened, HM Hydraulic Motor 1 is rotated by planetary reducer 3 band movable reels 4, realize hoisting function by the steel rope on reel 4, this moment, power-transfer clutch 5 was closed, primary annulus 7 and secondary gear ring 8 are one, and planetary reducer 3 is two-stage NGW planetary gear mechanisms of commonly using.
Key of the present utility model is that power-transfer clutch 5 controlling separating and combination of primary annulus 7 and secondary gear ring 8.Thorough during separation, free off the hook damping is little; In conjunction with the time reliable, clutch transmission torque is little, considers certain safety factor, power-transfer clutch only transmits that on primary annulus, 2 times of moments of torsion get final product, and is 30% to 50% of the hoisting moment of winch maximum, so compact conformation can be built in reel inside, installs simple; Normally closed multi-disc friction slice clutch is safe and reliable, is active in one's movements, rapidly, and response pressure is generally 3 to 5MPa.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
Claims (4)
1. the crane hoisting mechanism that can realize free off the hook, include driver element (1), drg (2), planetary reducer (3), reel (4) and mounting bracket (6), driver element (1) is connected with planetary reducer (3), described drg (2) is arranged at planetary reducer (3) inside, described planetary reducer (3) is arranged at reel (4) inside, described reel (4) is arranged on mounting bracket (6), described reel (4) outside is wound with steel rope and suspension hook thereof, it is characterized in that, this crane hoisting mechanism also comprises power-transfer clutch (5), described power-transfer clutch (5) is built in reel (4), the clutch transmission axle of described power-transfer clutch (5) is connected with the primary annulus (7) of planetary reducer (3), the clutch housing of described power-transfer clutch (5) is connected with the secondary gear ring (8) of planetary reducer (3).
2. the crane hoisting mechanism of realizing free off the hook according to claim 1, is characterized in that, described power-transfer clutch (5) adopts normally closed multi-disc friction slice clutch.
3. the crane hoisting mechanism of realizing free off the hook according to claim 1 and 2, is characterized in that, the moment of torsion of described power-transfer clutch (5) be the winch maximum hoisting moment 30% to 50%.
4. the crane hoisting mechanism of realizing free off the hook according to claim 1, is characterized in that, described planetary reducer (3) adopts two-stage NGW planetary gear transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616448 CN203006810U (en) | 2012-11-21 | 2012-11-21 | Crane hoisting mechanism capable of dropping hook freely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616448 CN203006810U (en) | 2012-11-21 | 2012-11-21 | Crane hoisting mechanism capable of dropping hook freely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203006810U true CN203006810U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616448 Expired - Lifetime CN203006810U (en) | 2012-11-21 | 2012-11-21 | Crane hoisting mechanism capable of dropping hook freely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203006810U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466468A (en) * | 2013-08-29 | 2013-12-25 | 三一汽车起重机械有限公司 | Superlift device, engineering machine and front tension device of superlift device |
| CN103641011A (en) * | 2013-12-24 | 2014-03-19 | 大连华锐重工集团股份有限公司 | High-performance hook free falling hoisting mechanism |
| CN104803312A (en) * | 2015-04-29 | 2015-07-29 | 北京南车时代机车车辆机械有限公司 | Mechanical and hydraulic integrated dynamic compactor and driving system thereof |
| CN104989742A (en) * | 2015-07-01 | 2015-10-21 | 郑州宇通重工有限公司 | External wet clutch of dynamic compaction main winch speed reducer |
| CN105905733A (en) * | 2016-06-27 | 2016-08-31 | 江苏永晋特种设备检测有限公司 | Anti-falling safety system of construction hoist |
-
2012
- 2012-11-21 CN CN 201220616448 patent/CN203006810U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466468A (en) * | 2013-08-29 | 2013-12-25 | 三一汽车起重机械有限公司 | Superlift device, engineering machine and front tension device of superlift device |
| CN103641011A (en) * | 2013-12-24 | 2014-03-19 | 大连华锐重工集团股份有限公司 | High-performance hook free falling hoisting mechanism |
| CN103641011B (en) * | 2013-12-24 | 2016-02-17 | 大连华锐重工集团股份有限公司 | A kind of performance-oriented free off the hook hoisting mechanism |
| CN104803312A (en) * | 2015-04-29 | 2015-07-29 | 北京南车时代机车车辆机械有限公司 | Mechanical and hydraulic integrated dynamic compactor and driving system thereof |
| CN104989742A (en) * | 2015-07-01 | 2015-10-21 | 郑州宇通重工有限公司 | External wet clutch of dynamic compaction main winch speed reducer |
| CN105905733A (en) * | 2016-06-27 | 2016-08-31 | 江苏永晋特种设备检测有限公司 | Anti-falling safety system of construction hoist |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Chongqing Inventor before: Liu Jianmin Inventor before: Liu Yuelong Inventor before: Wu Rongqing Inventor before: Yang Chongqing Inventor before: Liu Guicui Inventor before: Li Zhiqiang Inventor before: Li Bo Inventor before: Yang Chongzhong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160823 Address after: 271000 Shandong city of Tai'an Province, Zhuang Industrial Park Nine Street No. 259 Patentee after: Yang Chongqing Address before: 271000 Shandong city of Tai'an Province, Zhuang Industrial Park Nine Street No. 259 Patentee before: TAIAN XINCHUANG ENGINEERING MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |