CN105347223B - A kind of self-locking device of crane hoisting mechanism roll brake - Google Patents
A kind of self-locking device of crane hoisting mechanism roll brake Download PDFInfo
- Publication number
- CN105347223B CN105347223B CN201510923185.8A CN201510923185A CN105347223B CN 105347223 B CN105347223 B CN 105347223B CN 201510923185 A CN201510923185 A CN 201510923185A CN 105347223 B CN105347223 B CN 105347223B
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- CN
- China
- Prior art keywords
- self
- hoisting mechanism
- locking device
- brake
- camshaft
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/05—Brakes with mechanisms with latches for hoists or similar devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of self-locking devices of crane hoisting mechanism roll brake,It includes fixed plate,Connecting plate is provided on the right side on fixed plate top,U-bracket has been bolted in connecting plate,Interlocking has spring fastening on the side wall of u-bracket,One end of spring fastening has been connected through a screw thread threaded rod,Spring is provided in spring fastening,The other end of spring is connected with brake shoe,The lower end outside of brake shoe is welded with adjusting sleeve pipe,Eccentric shaft is provided in adjusting sleeve pipe,The side side of eccentric shaft is provided with adjusting rod,The end set of adjusting rod has adjusting nut,Camshaft support has been connected by screw on left side in the middle part of fixed plate,Cam bearer, which embeds, is connected to camshaft,It is socketed on the outer wall of camshaft right part and the matched cam of brake shoe,Wear-resistant sleeve is socketed on the outer wall of camshaft right end,Wear-resistant sleeve is connect by screw with u-bracket,The present invention has simple in structure,It is easy to use,It has a safety feature,The advantages of reasonable design.
Description
Technical field
The invention belongs to drum of crane art of braking devices, more particularly to a kind of crane hoisting mechanism roller system
The self-locking device of dynamic device.
Background technology
For producing crane, using electrodynamic braking mode and needs are worked as to rolling at present for the braking of roller
Roller is made to be stopped using brake shoe when cylinder stops braking, there are certain drawbacks for existing this brake, main to show
Needing to clamp brake shoe under external force in brake normally to make roller be stopped, when outer force driving device is in disconnected
The start-stop of roller cannot normally be controlled to work on the downside of electricity condition, in this way when roller lifts weight, if brake powers off suddenly,
It is difficult to ensure that weight will not fall, in some instances it may even be possible to the generation to cause the accident, it is impossible to the automatic locking of brake be carried out, to enterprise
Bring great economic loss, the life security of serious threat worker.
Invention content
The purpose of the invention is to overcome the deficiencies in the prior art, and provide a kind of simple in structure, easy to use, safe
Performance is good, the self-locking device of the crane hoisting mechanism roll brake of reasonable design.
The object of the present invention is achieved like this：A kind of self-locking device of crane hoisting mechanism roll brake, it is wrapped
Fixed plate is included, connecting plate is provided on the right side on the fixed plate top, the connecting plate has been bolted U-shaped
Stent, on the side wall of the u-bracket interlocking have spring fastening, one end of the spring fastening has been connected through a screw thread spiral shell
Rasp bar is socketed with nut on the outer wall of the threaded rod, and spring is provided in spring fastening, and the other end of the spring connects
Brake shoe is connected to, the lower end outside of the brake shoe is welded with adjusting sleeve pipe, eccentric shaft is provided in the adjusting sleeve pipe,
The side side of the eccentric shaft is provided with adjusting rod, and the end set of the adjusting rod has adjusting nut, and adjusting rod leads to
It crosses screw thread to connect with fixed plate, is provided with locking nut on adjusting rod, be connected by screw on the left side in the middle part of fixed plate
Camshaft support, the cam bearer, which embeds, is connected to camshaft, is socketed with and brakes on the outer wall of the camshaft right part
The matched cam of hoof, wear-resistant sleeve is socketed on the outer wall of camshaft right end, and the wear-resistant sleeve passes through screw and connects with u-bracket
It connects.
The connecting plate is L-type structure, and connecting plate is connect by welding with fixed plate.
The quantity of the brake shoe is two, and is separately positioned on the both sides of cam.
The quantity of the spring fastening is two, and is symmetrically arranged on the two side of u-bracket.
The cam is fixedly connected by screw with camshaft.
The spring is in compressive state.
Strip through-hole is provided in the middle part of the cam.
The axle center of the adjusting rod is overlapped with the outer end axle center of eccentric shaft.
Beneficial effects of the present invention：The self-locking device of crane hoisting mechanism roll brake of the present invention, is using process
In, in the upper end both sides of brake shoe, the spring of setting is in compressive state, and brake shoe upper end inside is provided with and camshaft
The cam of cooperation, and the initial position of cam ensure that brake shoe can locking roller, this structure can be realized as roller
The state locked automatically is kept in original state, so as to avoid moving and during use, it is outer losing unlatching suddenly
After power, braking state can be automatically locked at, more securely and reliably, in addition, the lower end outside face in brake shoe is provided with tune
Sleeve is saved, and the eccentric shaft for adjusting is provided in regulating sleeve, after brake rubber block is worn in brake shoe, it is necessary to adjust
The distance of brake shoe, this is only to need to rotate adjusting rod, and so as to adjust the distance of two brake shoes, the present invention has structure letter
The advantages of list, performance easy to use, safe are good, reasonable design.
Description of the drawings
Fig. 1 is a kind of vertical view of the self-locking device of crane hoisting mechanism roll brake of the present invention.
Fig. 2 is a kind of front view of the self-locking device of crane hoisting mechanism roll brake of the present invention.
Fig. 3 is a kind of structure diagram of the cam of the self-locking device of crane hoisting mechanism roll brake of the present invention.
In figure：1st, fixed plate 2, connecting plate 3, u-bracket 4, spring fastening 5, threaded rod 6, nut 7, spring 8,
Brake shoe 9, adjusting sleeve pipe 10, eccentric shaft 11, adjusting rod 12, adjusting nut 13, locking nut 14, camshaft support
15th, camshaft 16, cam 17, wear-resistant sleeve 18, strip through-hole.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figs. 1-3, a kind of self-locking device of crane hoisting mechanism roll brake, it includes fixed plate 1, described
1 top of fixed plate right side on be provided with connecting plate 2, u-bracket 3 has been bolted in the connecting plate 2, described
U-bracket 3 side wall on interlocking have spring fastening 4, one end of the spring fastening 4 has been connected through a screw thread threaded rod 5,
Nut 6 is socketed on the outer wall of the threaded rod 5, spring 7 is provided in spring fastening 4, the other end of the spring 7 connects
Brake shoe 8 is connected to, the lower end outside of the brake shoe 8 is welded with adjusting sleeve pipe 9, is provided in the adjusting sleeve pipe 9 partially
Mandrel 10, the side side of the eccentric shaft 10 are provided with adjusting rod 11, and the end set of the adjusting rod 11 has adjusting
Nut 12, adjusting rod 11 are connect by screw thread with fixed plate 1, and locking nut 13 is provided on adjusting rod 11,1 middle part of fixed plate
Camshaft support 14 is connected by screw on left side, the cam bearer 14 is embedded to be connected to camshaft 15, and described is convex
Be socketed on the outer wall of 15 right part of wheel shaft with 8 matched cam 16 of brake shoe, be socketed on the outer wall of 15 right end of camshaft resistance to
Grinding set 17, the wear-resistant sleeve 17 are connect by screw with u-bracket 3.
The self-locking device of crane hoisting mechanism roll brake of the present invention, in use, in the upper end of brake shoe
The spring of both sides setting is in compressive state, and is provided with the cam coordinated with camshaft, and convex on the inside of brake shoe upper end
The initial position of wheel ensure that brake shoe can locking roller, this structure can be realized as roller kept in original state from
The state of dynamic locking, so as to avoid moving and during use, losing after opening external force, can lock automatically suddenly
In braking state, more securely and reliably, in addition, the lower end outside face in brake shoe is provided with regulating sleeve, and adjusting set
The eccentric shaft for adjusting is provided in cylinder, after brake rubber block is worn in brake shoe, it is necessary to adjust the distance of brake shoe, this is
It only needs to rotate adjusting rod, so as to adjust the distance of two brake shoes, the present invention has simple in structure, easy to use, safe
The advantages of performance is good, reasonable design.
Embodiment 2
As shown in Figs. 1-3, a kind of self-locking device of crane hoisting mechanism roll brake, it includes fixed plate 1, described
1 top of fixed plate right side on be provided with connecting plate 2, u-bracket 3 has been bolted in the connecting plate 2, described
U-bracket 3 side wall on interlocking have spring fastening 4, one end of the spring fastening 4 has been connected through a screw thread threaded rod 5,
Nut 6 is socketed on the outer wall of the threaded rod 5, spring 7 is provided in spring fastening 4, the other end of the spring 7 connects
Brake shoe 8 is connected to, the lower end outside of the brake shoe 8 is welded with adjusting sleeve pipe 9, is provided in the adjusting sleeve pipe 9 partially
Mandrel 10, the side side of the eccentric shaft 10 are provided with adjusting rod 11, and the end set of the adjusting rod 11 has adjusting
Nut 12, adjusting rod 11 are connect by screw thread with fixed plate 1, and locking nut 13 is provided on adjusting rod 11,1 middle part of fixed plate
Camshaft support 14 is connected by screw on left side, the cam bearer 14 is embedded to be connected to camshaft 15, and described is convex
Be socketed on the outer wall of 15 right part of wheel shaft with 8 matched cam 16 of brake shoe, be socketed on the outer wall of 15 right end of camshaft resistance to
Grinding set 17, the wear-resistant sleeve 17 are connect by screw with u-bracket 3.
The connecting plate 2 is L-type structure, and connecting plate 2 is connect by welding with fixed plate 1.
The quantity of the brake shoe 8 is two, and is separately positioned on the both sides of cam 16.
The quantity of the spring fastening 4 is two, and is symmetrically arranged on the two side of u-bracket 3.
The cam 16 is fixedly connected by screw with camshaft 15.
The spring 7 is in compressive state.
The middle part of the cam 16 is provided with strip through-hole 18.
The axle center of the adjusting rod 11 is overlapped with the outer end axle center of eccentric shaft 10.
The self-locking device of crane hoisting mechanism roll brake of the present invention, in use, in the upper end of brake shoe
The spring of both sides setting is in compressive state, and is provided with the cam coordinated with camshaft, and convex on the inside of brake shoe upper end
The initial position of wheel ensure that brake shoe can locking roller, this structure can be realized as roller kept in original state from
The state of dynamic locking, so as to avoid moving and during use, losing after opening external force, can lock automatically suddenly
In braking state, more securely and reliably, in addition, the lower end outside face in brake shoe is provided with regulating sleeve, and adjusting set
The eccentric shaft for adjusting is provided in cylinder, after brake rubber block is worn in brake shoe, it is necessary to adjust the distance of brake shoe, this is
It only needs to rotate adjusting rod, so as to adjust the distance of two brake shoes, the present invention has simple in structure, easy to use, safe
The advantages of performance is good, reasonable design.
Claims (8)
1. a kind of self-locking device of crane hoisting mechanism roll brake, it includes fixed plate, it is characterised in that：Described consolidates
Connecting plate is provided on the right side on fixed board top, u-bracket, the U-shaped branch has been bolted in the connecting plate
Interlocking has spring fastening on the side wall of frame, and one end of the spring fastening has been connected through a screw thread threaded rod, the screw thread
Nut is socketed on the outer wall of bar, spring is provided in spring fastening, the other end of the spring is connected with brake shoe, described
The lower end outside of brake shoe be welded with adjusting sleeve pipe, eccentric shaft is provided in the adjusting sleeve pipe, the eccentric shaft
Side side is provided with adjusting rod, and the end set of the adjusting rod has adjusting nut, and adjusting rod passes through screw thread and fixed plate
Connection, is provided with locking nut on adjusting rod, and camshaft support has been connected by screw on the left side in the middle part of fixed plate, described
Cam bearer embed and be connected to camshaft, be socketed on the outer wall of the camshaft right part with the matched cam of brake shoe,
Wear-resistant sleeve is socketed on the outer wall of camshaft right end, the wear-resistant sleeve is connect by screw with u-bracket.
2. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Connecting plate for L-type structure, and connecting plate is connect by welding with fixed plate.
3. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Brake shoe quantity for two, and be separately positioned on the both sides of cam.
4. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Spring fastening quantity for two, and be symmetrically arranged on the two side of u-bracket.
5. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Cam be fixedly connected by screw with camshaft.
6. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Spring be in compressive state.
7. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
Cam in the middle part of be provided with strip through-hole.
8. a kind of self-locking device of crane hoisting mechanism roll brake as described in claim 1, it is characterised in that：It is described
The axle center of adjusting rod overlapped with the outer end axle center of eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923185.8A CN105347223B (en) | 2015-12-14 | 2015-12-14 | A kind of self-locking device of crane hoisting mechanism roll brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923185.8A CN105347223B (en) | 2015-12-14 | 2015-12-14 | A kind of self-locking device of crane hoisting mechanism roll brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105347223A CN105347223A (en) | 2016-02-24 |
| CN105347223B true CN105347223B (en) | 2018-07-10 |
Family
ID=55323325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923185.8A Active CN105347223B (en) | 2015-12-14 | 2015-12-14 | A kind of self-locking device of crane hoisting mechanism roll brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105347223B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773789B (en) * | 2018-07-19 | 2023-11-17 | 铁岭兵山煤业设备仪器制造有限公司 | Manual lifting platform and cable support |
| CN109368141A (en) * | 2018-11-14 | 2019-02-22 | 辽宁工程技术大学 | A kind of external rotor permanent magnet synchronous machine for coal mine belt conveyor directly drives roller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191104167A (en) * | 1911-02-18 | 1911-11-16 | Waygood & Company Ltd R | Improvements in or relating to the Brake Mechanism of Lifts, Cranes and the like. |
| CN2504246Y (en) * | 2001-09-20 | 2002-08-07 | 韩俊陆 | Single drum winch |
| CN103527680A (en) * | 2013-10-30 | 2014-01-22 | 十堰市华迪汽车零部件有限公司 | Drum brake for rear axle of lorry |
| CN104495678B (en) * | 2014-12-25 | 2017-09-29 | 森赫电梯股份有限公司 | Intelligent self-checking surveys traction machine brake |
| CN205294705U (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 self -lock device |
-
2015
- 2015-12-14 CN CN201510923185.8A patent/CN105347223B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105347223A (en) | 2016-02-24 |
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