CN205298348U - Hoist hoisting mechanism drum brake's clearance adjustment device - Google Patents
Hoist hoisting mechanism drum brake's clearance adjustment device Download PDFInfo
- Publication number
- CN205298348U CN205298348U CN201521033859.9U CN201521033859U CN205298348U CN 205298348 U CN205298348 U CN 205298348U CN 201521033859 U CN201521033859 U CN 201521033859U CN 205298348 U CN205298348 U CN 205298348U
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- CN
- China
- Prior art keywords
- eccentric shaft
- ratchet
- hoisting mechanism
- adjusting device
- crane hoisting
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a hoist hoisting mechanism drum brake's clearance adjustment device, it includes mounting bracket and brake hoof, be provided with the fixed block on the mounting bracket, the right side of fixed block is provided with the protection casing, be provided with adjustment tank and calibrated scale on the protection casing, be provided with the sleeve pipe on the brake hoof, the intraductal eccentric shaft that is provided with of cover, the left end portion cover of eccentric shaft is equipped with the jump ring, it is equipped with the sleeve still to overlap on the eccentric shaft, the eccentric shaft is worn to penetrate in the mounting bracket through the bearing, the right -hand member of eccentric shaft still is provided with the ratchet, fixedly connected with adjusts the pole on the ratchet, the cover is equipped with lock nut A on adjusting the pole, the right -hand member portion of eccentric shaft still is provided with lock nut B, still be provided with pawl bed on the fixed block, pawl bed is through the articulated pawl that is connected with, the utility model has the advantages of the design is simple, convenient operation, economic nature are good, easy dismounting, the braking is steady, the appearance is pleasing to the eye.
Description
Technical field
The utility model belongs to hoisting machinery technical field, is specifically related to a kind of lash adjusting device, particularly a kind of lash adjusting device of crane hoisting mechanism roll brake.
Background technology
In the crane hoisting mechanism that adopts reel to hoist, play comparatively accurately ascending effect in order to realize, be everlasting on slow-speed shaft and brake, so ensure that the brake efficiency of brake is very important, for comprising the brake of brake-shoe, friction plate on brake-shoe is friction drum axle in the time of braking, to produce braking moment, this can wear and tear brake-shoe in time, and can cause the gap between brake-shoe and spool shaft to increase, be greater than the normal working clearance, now need constantly to carry out gap adjustment, to guarantee the brake efficiency of brake, roll brake has gap adjustment function can increase the practicality of roll brake, some brake has lash adjusting device, but complex structure, regulate inconvenience, and can not observe intuitively the abrasion condition of concrete adjusting situation and brake-shoe, therefore, provide a kind of simplicity of design, easy to operate, good economy performance, easy accessibility, braking steadily, the lash adjusting device of the crane hoisting mechanism roll brake of good looking appearance is necessary.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and provide a kind of simplicity of design, easy to operate, good economy performance, easy accessibility, braking steadily, the lash adjusting device of the crane hoisting mechanism roll brake of good looking appearance.
The purpose of this utility model is achieved in that a kind of lash adjusting device of crane hoisting mechanism roll brake, it comprises installing rack and brake shoe, on described installing rack, be provided with the fixed block that is arranged on installing rack front side by welding, the right side of described fixed block is provided with the protective cover being connected with fixed block by bolt, on described protective cover, be provided with the regulating tank and the dial that is arranged on regulating tank outside of arcuate structure, on described brake shoe, be provided with by welding connected sleeve pipe, in described sleeve pipe, be provided with eccentric shaft, the left part of described eccentric shaft is arranged with the jump ring that prevents that eccentric shaft from coming off from sleeve pipe, on described eccentric shaft, be also arranged with for the protection of with the sleeve that separates sleeve pipe and installing rack, described eccentric shaft is worn and is penetrated in installing rack by bearing, the right-hand member of described eccentric shaft is also provided with the ratchet that prevents that eccentric shaft from rotating, on described ratchet, be fixedly connected with and be convenient to the adjusting rod that ratchet rotates, on described adjusting rod, be arranged with the locking nut A that compresses protective cover, the right part of described eccentric shaft is also provided with the locking nut B that compresses protective cover, on described fixed block, be also provided with pawl base, described pawl base is by being hingedly connected with ratchet.
The quantity of described brake shoe is 2, and is symmetrical arranged respectively.
Described sleeve pipe can be seamless steel pipe and makes.
Described locking nut A and locking nut B are wing nut.
The ratchet mechanism of described ratchet and a kind of unidirectional intermittent movement of ratchet composition.
The quantity of described eccentric shaft is 2, and is symmetricly set on respectively the both sides of installing rack.
On described ratchet, the distribution of tooth and the structure of eccentric shaft adapt.
Described pawl base and the connected mode of ratchet are hinged.
Described eccentric shaft is that flat key is connected with the connected mode of ratchet.
The beneficial effects of the utility model: the utility model is by arranging respectively sleeve pipe in brake shoe bottom, and in sleeve pipe, arrange eccentric shaft realize gap adjust effect, brake shoe is along with the braking of reel, work long hours and there will be wearing and tearing in various degree, when brake shoe work is after certain life-span, the braking effect of reel is not good, need to regulate the utility model to carry out gap adjustment, unclamp butterfly locking nut A, make adjusting rod in regulating tank in removable state, then unscrew the sheathed locking nut B of eccentric shaft right-hand member, rotate butterfly locking nut A, and according to the direction indication adjustment of dial, accurately reliable, adjusting rod on rotating ratchet, tighten locking nut A, can realize gap adjustment, simple to operate, easy to adjust reliable, the eccentric shaft of adjusting is under the effect of ratchet and pawl, there will not be because reel vibrations or other External Force Actings rotate eccentric shaft causes gap to adjust inaccurate situation, increase security of the present utility model, owing to working long hours, brake-shoe is is constantly worn and torn, the abrasion condition of brake-shoe is found out in dial position that can adjusting rod is corresponding from regulating tank, the utility model also has advantages of simplicity of design, easy to operate, good economy performance simultaneously.
Brief description of the drawings
Fig. 1 is the front view of the lash adjusting device of a kind of crane hoisting mechanism roll brake of the utility model.
Fig. 2 is the side view of the lash adjusting device of a kind of crane hoisting mechanism roll brake of the utility model.
In figure: 1, installing rack 2, brake shoe 3, fixed block 4, protective cover 5, regulating tank 6, dial 7, sleeve pipe 8, eccentric shaft 9, jump ring 10, sleeve 11, ratchet 12, adjusting rod 13, locking nut A14, locking nut B15, pawl base 16, ratchet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As depicted in figs. 1 and 2, a kind of lash adjusting device of crane hoisting mechanism roll brake, it comprises installing rack 1 and brake shoe 2, on described installing rack 1, be provided with the fixed block 3 that is arranged on installing rack 1 front side by welding, the right side of described fixed block 3 is provided with the protective cover 4 being connected with fixed block 3 by bolt, on described protective cover 4, be provided with the regulating tank 5 and the dial 6 that is arranged on regulating tank 5 outsides of arcuate structure, on described brake shoe 2, be provided with by welding connected sleeve pipe 7, in described sleeve pipe 7, be provided with eccentric shaft 8, the left part of described eccentric shaft 8 is arranged with the jump ring 9 that prevents that eccentric shaft 8 from coming off from sleeve pipe 7, on described eccentric shaft 8, be also arranged with for the protection of with separate sleeve pipe 7 sleeve 10 with installing rack 1, described eccentric shaft 8 is worn and is penetrated in installing rack 1 by bearing, the right-hand member of described eccentric shaft 8 is also provided with the ratchet 11 that prevents that eccentric shaft 8 from rotating, on described ratchet 11, be fixedly connected with and be convenient to the adjusting rod 12 that ratchet 11 rotates, on described adjusting rod 12, be arranged with the locking nut A13 that compresses protective cover 4, the right part of described eccentric shaft 8 is also provided with the locking nut B14 that compresses protective cover 4, on described fixed block 3, be also provided with pawl base 15, described pawl base 15 is by being hingedly connected with ratchet 16.
The utility model is by arranging respectively sleeve pipe 7 in brake shoe 2 bottoms, and realize gap adjustment effect at the interior eccentric shaft 8 that arranges of sleeve pipe 7, brake shoe 2 is along with the braking of reel, work long hours and there will be wearing and tearing in various degree, when brake shoe 2 work are after certain life-span, the braking effect of reel is not good, need to regulate the utility model to carry out gap adjustment, unclamp butterfly locking nut A13, make adjusting rod 12 in regulating tank 5 in removable state, then unscrew the sheathed locking nut B14 of eccentric shaft 8 right-hand members, rotate butterfly locking nut A13, and according to the direction indication adjustment of dial 6, accurately reliable, adjusting rod 12 on rotating ratchet 11, tighten locking nut A13, can realize gap adjustment, simple to operate, easy to adjust reliable, the eccentric shaft 8 of adjusting is under the effect of ratchet 11 and ratchet 16, there will not be because reel vibrations or other External Force Actings rotate eccentric shaft 8 causes gap to adjust inaccurate situation, increase security of the present utility model, owing to working long hours, brake-shoe 2 is is constantly worn and torn, can be from regulating tank 5 dial 6 positions of adjusting rod 12 correspondences find out the abrasion condition of brake-shoe 2, the utility model also has advantages of simplicity of design, easy to operate, good economy performance simultaneously.
Embodiment 2
As depicted in figs. 1 and 2, a kind of lash adjusting device of crane hoisting mechanism roll brake, it comprises installing rack 1 and brake shoe 2, on described installing rack 1, be provided with the fixed block 3 that is arranged on installing rack 1 front side by welding, the right side of described fixed block 3 is provided with the protective cover 4 being connected with fixed block 3 by bolt, on described protective cover 4, be provided with the regulating tank 5 and the dial 6 that is arranged on regulating tank 5 outsides of arcuate structure, on described brake shoe 2, be provided with by welding connected sleeve pipe 7, in described sleeve pipe 7, be provided with eccentric shaft 8, the left part of described eccentric shaft 8 is arranged with the jump ring 9 that prevents that eccentric shaft 8 from coming off from sleeve pipe 7, on described eccentric shaft 8, be also arranged with for the protection of with separate sleeve pipe 7 sleeve 10 with installing rack 1, described eccentric shaft 8 is worn and is penetrated in installing rack 1 by bearing, the right-hand member of described eccentric shaft 8 is also provided with the ratchet 11 that prevents that eccentric shaft 8 from rotating, on described ratchet 11, be fixedly connected with and be convenient to the adjusting rod 12 that ratchet 11 rotates, on described adjusting rod 12, be arranged with the locking nut A13 that compresses protective cover 4, the right part of described eccentric shaft 8 is also provided with the locking nut B14 that compresses protective cover 4, on described fixed block 3, be also provided with pawl base 15, described pawl base 15 is by being hingedly connected with ratchet 16.
The quantity of described brake shoe 2 is 2, and is symmetrical arranged respectively.
Described sleeve pipe 7 can be seamless steel pipe and makes.
Described locking nut A13 and locking nut B14 are wing nut.
Described ratchet 16 and ratchet 11 form a kind of ratchet mechanism of unidirectional intermittent movement.
The quantity of described eccentric shaft 8 is 2, and is symmetricly set on respectively the both sides of installing rack 1.
On described ratchet 11, the distribution of tooth and the structure of eccentric shaft 8 adapt.
Described pawl base 15 is hinged with the connected mode of ratchet 16.
Described eccentric shaft 8 is that flat key is connected with the connected mode of ratchet 11.
The utility model is by arranging respectively sleeve pipe 7 in brake shoe 2 bottoms, and realize gap adjustment effect at the interior eccentric shaft 8 that arranges of sleeve pipe 7, brake shoe 2 is along with the braking of reel, work long hours and there will be wearing and tearing in various degree, when brake shoe 2 work are after certain life-span, the braking effect of reel is not good, need to regulate the utility model to carry out gap adjustment, unclamp butterfly locking nut A13, make adjusting rod 12 in regulating tank 5 in removable state, then unscrew the sheathed locking nut B14 of eccentric shaft 8 right-hand members, rotate butterfly locking nut A13, and according to the direction indication adjustment of dial 6, accurately reliable, adjusting rod 12 on rotating ratchet 11, tighten locking nut A13, can realize gap adjustment, simple to operate, easy to adjust reliable, the eccentric shaft 8 of adjusting is under the effect of ratchet 11 and ratchet 16, there will not be because reel vibrations or other External Force Actings rotate eccentric shaft 8 causes gap to adjust inaccurate situation, increase security of the present utility model, owing to working long hours, brake-shoe 2 is is constantly worn and torn, can be from regulating tank 5 dial 6 positions of adjusting rod 12 correspondences find out the abrasion condition of brake-shoe 2, the utility model also has advantages of simplicity of design, easy to operate, good economy performance simultaneously.
Claims (9)
1. the lash adjusting device of a crane hoisting mechanism roll brake, it comprises installing rack and brake shoe, it is characterized in that: on described installing rack, be provided with the fixed block that is arranged on installing rack front side by welding, the right side of described fixed block is provided with the protective cover being connected with fixed block by bolt, on described protective cover, be provided with the regulating tank and the dial that is arranged on regulating tank outside of arcuate structure, on described brake shoe, be provided with by welding connected sleeve pipe, in described sleeve pipe, be provided with eccentric shaft, the left part of described eccentric shaft is arranged with the jump ring that prevents that eccentric shaft from coming off from sleeve pipe, on described eccentric shaft, be also arranged with for the protection of with the sleeve that separates sleeve pipe and installing rack, described eccentric shaft is worn and is penetrated in installing rack by bearing, the right-hand member of described eccentric shaft is also provided with the ratchet that prevents that eccentric shaft from rotating, on described ratchet, be fixedly connected with and be convenient to the adjusting rod that ratchet rotates, on described adjusting rod, be arranged with the locking nut A that compresses protective cover, the right part of described eccentric shaft is also provided with the locking nut B that compresses protective cover, on described fixed block, be also provided with pawl base, described pawl base is by being hingedly connected with ratchet.
2. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: the quantity of described brake shoe is 2, and is symmetrical arranged respectively.
3. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: described sleeve pipe can be seamless steel pipe and makes.
4. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: described locking nut A and locking nut B are wing nut.
5. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: the ratchet mechanism of described ratchet and a kind of unidirectional intermittent movement of ratchet composition.
6. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: the quantity of described eccentric shaft is 2, and is symmetricly set on respectively the both sides of installing rack.
7. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: on described ratchet, the distribution of tooth and the structure of eccentric shaft adapt.
8. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: described pawl base and the connected mode of ratchet are hinged.
9. the lash adjusting device of a kind of crane hoisting mechanism roll brake according to claim 1, is characterized in that: described eccentric shaft is that flat key is connected with the connected mode of ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033859.9U CN205298348U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's clearance adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033859.9U CN205298348U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's clearance adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298348U true CN205298348U (en) | 2016-06-08 |
Family
ID=56431642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033859.9U Expired - Fee Related CN205298348U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's clearance adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333039A (en) * | 2015-12-14 | 2016-02-17 | 河南恒远恒山工业有限公司 | Interval adjusting device for cylinder brake of crane lifting mechanism |
-
2015
- 2015-12-14 CN CN201521033859.9U patent/CN205298348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333039A (en) * | 2015-12-14 | 2016-02-17 | 河南恒远恒山工业有限公司 | Interval adjusting device for cylinder brake of crane lifting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |