CN105333039B - A kind of lash adjusting device of crane hoisting mechanism roll brake - Google Patents
A kind of lash adjusting device of crane hoisting mechanism roll brake Download PDFInfo
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- CN105333039B CN105333039B CN201510923182.4A CN201510923182A CN105333039B CN 105333039 B CN105333039 B CN 105333039B CN 201510923182 A CN201510923182 A CN 201510923182A CN 105333039 B CN105333039 B CN 105333039B
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- eccentric shaft
- ratchet
- mounting bracket
- sleeve pipe
- locking nut
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Abstract
The present invention relates to a kind of lash adjusting device of crane hoisting mechanism roll brake, it includes mounting bracket and brake shoe, fixed block is provided with mounting bracket, protective cover is provided with the right side of fixed block, regulating tank and dial are provided with protective cover, sleeve pipe is provided with brake shoe, eccentric shaft is provided with sleeve pipe, the left part of eccentric shaft is arranged with jump ring, sleeve is also arranged with eccentric shaft, eccentric shaft is worn by bearing and penetrated in mounting bracket, the right-hand member of eccentric shaft is additionally provided with ratchet, adjusting rod is fixedly connected with ratchet, locking nut A is arranged with adjusting rod, the right part of eccentric shaft is additionally provided with locking nut B, pawl base is additionally provided with fixed block, pawl base is by being hingedly connected with ratchet；The advantages of there is the present invention design to be simple and convenient to operate, good economy performance, convenient disassembly, braking are steady, good appearance.
Description
Technical field
The invention belongs to hoisting machinery technical field, and in particular to a kind of lash adjusting device, more particularly to a kind of lifting
The lash adjusting device of machine lifting mechanism roll brake.
Background technology
In the crane hoisting mechanism of raising is carried out using reel, ascending effect, Chang are accurately played in order to realize
Braked on slow-speed shaft, so ensureing that the brake efficiency of brake is very important, for the brake including brake-shoe
For, friction plate on the brake-shoe friction drum axle in braking, to produce braking moment, this causes brake-shoe to be ground with the time
Damage, and the gap between brake-shoe and spool shaft can be caused to increase, more than the normal working clearance, now need constantly to enter
In the ranks gap adjusts, and to ensure the brake efficiency of brake, there is roll brake gap adjustment function can increase roll brake
Practicality, some brakes have lash adjusting device, but complicated, regulation inconvenience, and can not intuitively observe tool
Body adjusts the abrasion condition of situation and brake-shoe；Therefore it provides a kind of design is simple and convenient to operate, good economy performance, dismounting side
Just, the lash adjusting device of steady, good appearance the crane hoisting mechanism roll brake of braking is necessary.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and a kind of design is provided and is simple and convenient to operate, is economical
Property good, convenient disassembly, the lash adjusting device of steady, good appearance the crane hoisting mechanism roll brake of braking.
The object of the present invention is achieved like this：A kind of lash adjusting device of crane hoisting mechanism roll brake,
It includes mounting bracket and brake shoe, and the fixed block that welding is arranged on front side of mounting bracket, institute are provided with described mounting bracket
The protective cover that bolt is connected with fixed block is provided with the right side of the fixed block stated, arc knot is provided with described protective cover
The regulating tank of structure and the dial being arranged on the outside of regulating tank, the connected set of welding is provided with described brake shoe
Manage, be provided with eccentric shaft in described sleeve pipe, the left part of described eccentric shaft, which is arranged with, prevents eccentric shaft from being come off from sleeve pipe
Jump ring, the sleeve for protecting and separating sleeve pipe and mounting bracket is also arranged with described eccentric shaft, described eccentric shaft leads to
Cross bearing and wear and penetrate in mounting bracket, the right-hand member of described eccentric shaft is additionally provided with the ratchet for preventing eccentric shaft turns, described spine
The adjusting rod for being easy to pawl wheel is fixedly connected with wheel, the locking nut A for compressing protective cover is arranged with described adjusting rod,
The right part of described eccentric shaft is additionally provided with the locking nut B for compressing protective cover, and ratchet is additionally provided with described fixed block
Seat, described pawl base is by being hingedly connected with ratchet.
The quantity of described brake shoe is 2, and is respectively symmetrically set.
Described sleeve pipe can be made up of seamless steel pipe.
Described locking nut A and locking nut B is wing nut.
Described ratchet and a kind of ratchet mechanism of unidirectional intermittent movement of ratchet composition.
The quantity of described eccentric shaft is 2, and is symmetrically arranged at the both sides of mounting bracket.
The distribution of tooth and the structure of eccentric shaft are adapted on described ratchet.
Described pawl base and the connected mode of ratchet are be hinged.
Described eccentric shaft and the connected mode of ratchet connect for flat key.
Beneficial effects of the present invention：The present invention is set partially by setting sleeve pipe respectively in brake shoe bottom in sleeve pipe
Mandrel realizes gap Adjustment effect, and brake shoe is worked long hours and different degrees of abrasion occurs with the braking of reel, when
After certain life-span is arrived in brake shoe work, the braking effect of reel is bad, it is necessary to which adjusting the present invention carries out gap adjustment, release butterfly
Locking nut A, adjusting rod is set, in removable state, then to unscrew the locking nut B that eccentric shaft right-hand member is arranged in regulating tank,
Butterfly locking nut A is rotated, and is adjusted according to the direction indication of dial, it is accurate reliable, the adjusting rod on rotating ratchet, tighten
Locking nut A, you can realize that gap adjusts, simple to operate, easy to adjust reliable, the eccentric shaft adjusted is in ratchet and pawl
Be not in because reel vibrations or other external force act on the feelings for making eccentric shaft turns and causing gap adjustment inaccuracy under effect
Condition, add the present invention security, due to working long hours, brake-shoe is constantly worn, can from regulating tank adjusting rod pair
Find out the abrasion condition of brake-shoe in the dial position answered；Also there is the present invention design to be simple and convenient to operate simultaneously, good economy performance
The advantages of.
Brief description of the drawings
Fig. 1 is a kind of front view of the lash adjusting device of crane hoisting mechanism roll brake of the present invention.
Fig. 2 is a kind of side view of the lash adjusting device of crane hoisting mechanism roll brake of the present invention.
In figure：1st, mounting bracket 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 A 14, locking nut B 15, pawl base
16th, ratchet.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, a kind of lash adjusting device of crane hoisting mechanism roll brake, it includes installation
Frame 1 and brake shoe 2, the fixed block 3 that welding is arranged on the front side of mounting bracket 1 is provided with described mounting bracket 1, described consolidates
The right side for determining block 3 is provided with the protective cover 4 that bolt is connected with fixed block 3, and arcuate structure is provided with described protective cover 4
Regulating tank 5 and be arranged on the dial 6 in the outside of regulating tank 5, it is connected to be provided with welding on described brake shoe 2
Sleeve pipe 7, eccentric shaft 8 is provided with described sleeve pipe 7, the left part of described eccentric shaft 8, which is arranged with, prevents eccentric shaft 8 from sleeve pipe
The jump ring 9 to be come off in 7, the sleeve 10 for protecting and separating sleeve pipe 7 and mounting bracket 1, institute are also arranged with described eccentric shaft 8
The eccentric shaft 8 stated is worn by bearing to be penetrated in mounting bracket 1, and the right-hand member of described eccentric shaft 8, which is additionally provided with, prevents eccentric shaft 8 from rotating
Ratchet 11, the adjusting rod 12 for being easy to ratchet 11 to rotate is fixedly connected with described ratchet 11, is covered on described adjusting rod 12
Provided with the locking nut A13 for compressing protective cover 4, the right part of described eccentric shaft 8 is additionally provided with the locking screw for compressing protective cover 4
Female B14, pawl base 15 is additionally provided with described fixed block 3, described pawl base 15 is by being hingedly connected with ratchet 16.
The present invention sets eccentric shaft 8 to realize gap by setting sleeve pipe 7 respectively in the bottom of brake shoe 2 in sleeve pipe 7
Adjustment effect, brake shoe 2 work long hours and different degrees of abrasion occur, when the work of brake shoe 2 is arrived with the braking of reel
After certain life-span, the braking effect of reel is bad, it is necessary to adjusting the present invention carries out gap adjustment, unclamps butterfly locking nut A13,
Adjusting rod 12 is set, in removable state, then to unscrew the locking nut B14 that the right-hand member of eccentric shaft 8 is arranged in regulating tank 5, rotate
Butterfly locking nut A13, and adjusted according to the direction indication of dial 6, accurate reliable, the adjusting rod 12 on rotating ratchet 11,
Tighten locking nut A13, you can realize that gap adjusts, simple to operate, easy to adjust reliable, the eccentric shaft 8 adjusted is in ratchet
11 and ratchet 16 in the presence of, be not in because reel vibrations or the effect of other external force rotate eccentric shaft 8 and cause gap
Inaccurate situation is adjusted, the security of the present invention is added, due to working long hours, brake-shoe 2 is constantly worn, can be from tune
The abrasion condition of brake-shoe 2 is found out in the position of dial 6 corresponding to adjusting rod 12 in section groove 5；The present invention also has design letter simultaneously
The advantages of single, easy to operate, good economy performance.
Embodiment 2
As depicted in figs. 1 and 2, a kind of lash adjusting device of crane hoisting mechanism roll brake, it includes installation
Frame 1 and brake shoe 2, the fixed block 3 that welding is arranged on the front side of mounting bracket 1 is provided with described mounting bracket 1, described consolidates
The right side for determining block 3 is provided with the protective cover 4 that bolt is connected with fixed block 3, and arcuate structure is provided with described protective cover 4
Regulating tank 5 and be arranged on the dial 6 in the outside of regulating tank 5, it is connected to be provided with welding on described brake shoe 2
Sleeve pipe 7, eccentric shaft 8 is provided with described sleeve pipe 7, the left part of described eccentric shaft 8, which is arranged with, prevents eccentric shaft 8 from sleeve pipe
The jump ring 9 to be come off in 7, the sleeve 10 for protecting and separating sleeve pipe 7 and mounting bracket 1, institute are also arranged with described eccentric shaft 8
The eccentric shaft 8 stated is worn by bearing to be penetrated in mounting bracket 1, and the right-hand member of described eccentric shaft 8, which is additionally provided with, prevents eccentric shaft 8 from rotating
Ratchet 11, the adjusting rod 12 for being easy to ratchet 11 to rotate is fixedly connected with described ratchet 11, is covered on described adjusting rod 12
Provided with the locking nut A13 for compressing protective cover 4, the right part of described eccentric shaft 8 is additionally provided with the locking screw for compressing protective cover 4
Female B14, pawl base 15 is additionally provided with described fixed block 3, described pawl base 15 is by being hingedly connected with ratchet 16.
The quantity of described brake shoe 2 is 2, and is respectively symmetrically set.
Described sleeve pipe 7 can be made up of seamless steel pipe.
Described locking nut A13 and locking nut B14 is wing nut.
Described ratchet 16 forms a kind of ratchet mechanism of unidirectional intermittent movement with ratchet 11.
The quantity of described eccentric shaft 8 is 2, and is symmetrically arranged at the both sides of mounting bracket 1.
The distribution of tooth and the structure of eccentric shaft 8 are adapted on described ratchet 11.
The connected mode of described pawl base 15 and ratchet 16 is be hinged.
Described eccentric shaft 8 is connected with the connected mode of ratchet 11 for flat key.
The present invention sets eccentric shaft 8 to realize gap by setting sleeve pipe 7 respectively in the bottom of brake shoe 2 in sleeve pipe 7
Adjustment effect, brake shoe 2 work long hours and different degrees of abrasion occur, when the work of brake shoe 2 is arrived with the braking of reel
After certain life-span, the braking effect of reel is bad, it is necessary to adjusting the present invention carries out gap adjustment, unclamps butterfly locking nut A13,
Adjusting rod 12 is set, in removable state, then to unscrew the locking nut B14 that the right-hand member of eccentric shaft 8 is arranged in regulating tank 5, rotate
Butterfly locking nut A13, and adjusted according to the direction indication of dial 6, accurate reliable, the adjusting rod 12 on rotating ratchet 11,
Tighten locking nut A13, you can realize that gap adjusts, simple to operate, easy to adjust reliable, the eccentric shaft 8 adjusted is in ratchet
11 and ratchet 16 in the presence of, be not in because reel vibrations or the effect of other external force rotate eccentric shaft 8 and cause gap
Inaccurate situation is adjusted, the security of the present invention is added, due to working long hours, brake-shoe 2 is constantly worn, can be from tune
The abrasion condition of brake-shoe 2 is found out in the position of dial 6 corresponding to adjusting rod 12 in section groove 5；The present invention also has design letter simultaneously
The advantages of single, easy to operate, good economy performance.
Claims (4)
1. a kind of lash adjusting device of crane hoisting mechanism roll brake, it includes mounting bracket and brake shoe, its feature
It is：The fixed block that welding is arranged on front side of mounting bracket, the right side of described fixed block are provided with described mounting bracket
The protective cover that bolt is connected with fixed block is provided with, regulating tank and the setting of arcuate structure are provided with described protective cover
Dial on the outside of regulating tank, is provided with the connected sleeve pipe of welding on described brake shoe, in described sleeve pipe
Eccentric shaft is provided with, the left part of described eccentric shaft is arranged with the jump ring for preventing eccentric shaft from being come off from sleeve pipe, and described is inclined
The sleeve for protecting and separating sleeve pipe and mounting bracket is also arranged with mandrel, described eccentric shaft is worn to penetrate by bearing and installed
In frame, the right-hand member of described eccentric shaft is additionally provided with the ratchet for preventing eccentric shaft turns, is fixedly connected with just on described ratchet
In the locking nut A that compression protective cover is arranged with the adjusting rod of pawl wheel, described adjusting rod, the right side of described eccentric shaft
End is additionally provided with the locking nut B for compressing protective cover, is additionally provided with pawl base on described fixed block, described pawl base leads to
Cross and be hingedly connected with ratchet, described locking nut A and locking nut B are wing nut, and described ratchet forms with ratchet
A kind of ratchet mechanism of unidirectional intermittent movement, the quantity of described eccentric shaft is 2, and is symmetrically arranged at the two of mounting bracket
Side, the distribution of tooth and the structure of eccentric shaft are adapted on described ratchet, and the connected mode of described pawl base and ratchet is hinge
Connect.
2. a kind of lash adjusting device of crane hoisting mechanism roll brake according to claim 1, its feature exist
In：The quantity of described brake shoe is 2, and is respectively symmetrically set.
3. a kind of lash adjusting device of crane hoisting mechanism roll brake according to claim 1, its feature exist
In：Described sleeve pipe can be made up of seamless steel pipe.
4. a kind of lash adjusting device of crane hoisting mechanism roll brake according to claim 1, its feature exist
In：Described eccentric shaft and the connected mode of ratchet connect for flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923182.4A CN105333039B (en) | 2015-12-14 | 2015-12-14 | A kind of lash adjusting device of crane hoisting mechanism roll brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923182.4A CN105333039B (en) | 2015-12-14 | 2015-12-14 | A kind of lash adjusting device of crane hoisting mechanism roll brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105333039A CN105333039A (en) | 2016-02-17 |
| CN105333039B true CN105333039B (en) | 2018-02-13 |
Family
ID=55283751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923182.4A Active CN105333039B (en) | 2015-12-14 | 2015-12-14 | A kind of lash adjusting device of crane hoisting mechanism roll brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333039B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815571A (en) * | 1985-07-23 | 1989-03-28 | Lucas Industries Public Limited Company | Automatic adjuster |
| CN2036226U (en) * | 1988-01-19 | 1989-04-19 | 崔忠民 | Brake play automatic adjuster |
| US7819231B2 (en) * | 2003-03-14 | 2010-10-26 | Gibson Jr William J | S cam bushing assembly |
| CN201027868Y (en) * | 2007-04-03 | 2008-02-27 | 向刚 | Automatic brake clearance regulation and alarm device for rear wheel of tricycle |
| CN101737443B (en) * | 2009-12-26 | 2011-07-27 | 高自强 | Automatic gap adjusting device for double-leading shoe and double-trailing shoe brake |
| CN201896897U (en) * | 2010-11-10 | 2011-07-13 | 焦作制动器股份有限公司 | Backlash compensation brake |
| CN205298348U (en) * | 2015-12-14 | 2016-06-08 | 河南恒远恒山工业有限公司 | Hoist hoisting mechanism drum brake's clearance adjustment device |
-
2015
- 2015-12-14 CN CN201510923182.4A patent/CN105333039B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105333039A (en) | 2016-02-17 |
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