CN202687861U - Winch brake device - Google Patents
Winch brake device Download PDFInfo
- Publication number
- CN202687861U CN202687861U CN 201220335401 CN201220335401U CN202687861U CN 202687861 U CN202687861 U CN 202687861U CN 201220335401 CN201220335401 CN 201220335401 CN 201220335401 U CN201220335401 U CN 201220335401U CN 202687861 U CN202687861 U CN 202687861U
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- torsion spring
- seat
- honour
- fan
- braking
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Abstract
The utility model relates to a winch brake device which comprises a driving seat, a torsion spring, a brake fork, a positioning ring and a brake sleeve. The winch brake device is characterized in that an upper torsion spring seat and a lower torsion spring seat are arranged at two ends of the torsion spring, a fan-shaped flange is arranged on the circumferential surface of one end of the driving seat, a limit notch is arranged at the other end of the driving seat, an annular groove is arranged at one end of the upper torsion spring seat, a limit block is arranged in the annular groove, an upper seat fan-shaped slider and an upper seat hook groove are arranged at the other end of the upper torsion spring seat, a torsion spring hook is inserted into the upper seat hook groove, a limit bump is arranged at one end of the lower torsion spring seat, a lower seat fan-shaped slider is arranged on the circumferential surface of the lower torsion spring seat and is provided with a lower seat hook groove for inserting a torsion spring hook, the end of the driving seat provided with the limit notch penetrates through the upper torsion spring seat and is in limit running fit with the limit bump of the lower torsion spring seat, and the upper seat fan-shaped slider and the lower seat fan-shaped slider are respectively and independently in limit running fit with a fan-shaped bump of the brake fork. The winch brake device is fine in brake stability, high in reliability, long in service life and suitable for serving as a winch brake device or structurally improving a similar product.
Description
Technical field
The utility model relates to the capstan winch auxiliary device, is a kind of winch brake device.
Background technology
Capstan winch is a kind of accessory equipment that applies to automobile, is mainly used in saving oneself or uses as draw gear.In order to guarantee capstan winch safety in use, general capstan winch all possesses self-stopping function, that is: when the capstan winch stall, hauling rope that can the automatic locking capstan winch prevents that the problem of drawing inefficacy from occuring.In the prior art, Granted publication CN201873483U such as the Chinese patent literature publication, at on 06 22nd, 2011 Granted publication day, the utility model name is called " automatic brake device of winch ", it mainly comprises Brake Block, braking fork, retarding spring, braking sleeve, nest, Brake Block one end middle part is cylinder, and the integrated secter pat of cylindrical side consists of fan groove by secter pat and cylinder; Braking fork one end is provided with the quadrant block with described fan groove bearing fit, and the braking fork other end is provided with the adapter shaft with the hexagonal screw, and this adapter shaft passes nest and braking sleeve successively; Be provided with retarding spring between Brake Block and the braking fork, retarding spring one end is stuck in secter pat, and the other end is stuck in quadrant block.Above technical scheme, although can realize the self-actuating brake of capstan winch, but because the clubfoot of retarding spring is pitched with braking, contacting between the Brake Block is the contact that offsets, and clubfoot is not located fully, so that clubfoot easily skids, crooked or fracture, not only retarding spring is short service life, and has the potential safety hazard of brake failure.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of this utility model is that a kind of winch brake device is provided to this area, makes it solve short technical matters of existing like product brake less reliable, service life.Its objective is and be achieved through the following technical solutions.
This winch brake device comprises driving seat, torsion spring, braking fork, nest, braking sleeve, drive seat and be provided with the flat hole that connects the capstan winch axle drive shaft, braking fork one end is provided with fan-shaped bump, the other end is provided with the hexagon ring axle that connects the capstan winch output shaft, the torsion spring two ends are equipped with the hook that bends inwards, drive seat, torsion spring, braking fork, nest and place in the braking sleeve, and the hexagon ring axle pitched of braking passes nest and is exposed to braking sleeve one end.Its structural feature is to be provided with the torsion spring seat of honour between described driving seat and the described torsion spring, be provided with lower of torsion spring between described torsion spring and the braking fork, described driving seat one end side face is provided with fan-shaped flange, drive the seat other end and be provided with spacing breach, the described torsion spring seat of honour one end is provided with the circular groove that cooperates with described fan-shaped flange rotation-limited, be provided with limiting stopper in the circular groove, the torsion spring seat of honour other end is provided with described braking and pitches seat of honour quadrant block that an end fan-shaped bump rotation-limited cooperates and collude groove with the described torsion spring one end hook seat of honour that cooperates of pegging graft; Lower end of described torsion spring is provided with spacing block set, and the side face that torsion spring is lower is provided with described braking and pitches the lower quadrant block that an end fan-shaped bump rotation-limited cooperates, and lower seat quadrant block is provided with peg graft lower of cooperating of described torsion spring other end hook and colludes groove; A described end that is provided with spacing breach that drives passes the described torsion spring seat of honour, and cooperates with the spacing block set rotation-limited of lower of described torsion spring, and described seat of honour quadrant block does not engage with a described lower quadrant block.Said structure, it is in fact the linkage structure that has changed the torsion spring braking, directly interlock torsion spring of seat, braking fork will be driven in the prior art, change indirect interlock torsion spring into, namely drive between seat and the torsion spring torsion spring seat of honour is set, between torsion spring and the braking fork lower of torsion spring is set, and the torsion spring seat of honour, lower of torsion spring arrange respectively the seat of honour and collude groove, lower and collude groove and peg graft with the torsion spring hook and cooperate, so that the stress deformation of torsion spring hook changes shearing into by original bending, thereby significantly improved holding capacity and the service life of torsion spring hook, improved the reliability of capstan winch brake.
The described spacing breach that drives seat is rectangle, the spacing block set parallelogram that described torsion spring is lower, realize driving and lower of torsion spring between rotation-limited.
The lower quadrant block that described fan-shaped flange, limiting stopper, the seat of honour quadrant block at the torsion spring seat of honour, the torsion spring in the circular groove of the torsion spring seat of honour that drives seat is lower, all in pairs settings of fan-shaped bump that braking is pitched, and be centrosymmetric with respect to each autonomous agent.Be conducive to like this improve the stability that links between each parts.
Described braking fork replaces with that an end is provided with fan-shaped bump, the other end is provided with gear.Namely the output end structure of braking fork can be selected to replace according to actual needs.
The utility model structure is comparatively simple, combination is installed comparatively convenient, and brake good stability, reliability are high, and service life is longer, and be suitable as winch brake device and use, or the structural development of like product.
Description of drawings
Fig. 1 is blast structural representation one of the present utility model.
Fig. 2 is blast structural representation two of the present utility model.
The name of sequence number is called among the figure: 1, drive seat, 101, fan-shaped flange, 102, spacing breach, 103, the flat hole, 2, the torsion spring seat of honour, 201, the seat of honour colludes groove, 202, seat of honour quadrant block, 203, circular groove, 204, limiting stopper, 3, torsion spring, 301, hook, 4, torsion spring is lower, 401, lower collude groove, 402, a lower quadrant block, 403, spacing block set, 5, braking fork, 501, the hexagon ring axle, 502, fan-shaped bump, 6, nest, 7, braking sleeve.
The specific embodiment
Now by reference to the accompanying drawings, the utility model is further described.
As shown in Figure 1 and Figure 2, this winch brake device comprises driving seat 1, the torsion spring seat of honour 2, torsion spring 3, lower 4 of torsion spring, braking fork 5, nest 6, braking sleeve 7, drive seat one end side face and be provided with fan-shaped flange 101, drive the seat other end and be provided with the spacing breach 102 that is rectangle, drive the seat middle part and be provided with flat hole 103, the torsion spring seat of honour one end is provided with seat of honour quadrant block 202 and groove 201 is colluded at the seat of honour, and other end inboard, the torsion spring seat of honour is provided with circular groove 203, is provided with limiting stopper in the circular groove.The torsion spring two ends are provided with the hook 301 that bends inwards.The lower side face of torsion spring is provided with a lower quadrant block 402, and lower seat quadrant block is provided with lower and colludes groove 401, and lower end of torsion spring is provided with the spacing block set 403 of parallelogram.Braking fork one end is provided with hexagon ring axle 501, and the other end is provided with fan-shaped bump 502.The concrete structure of this winch brake device is connected to: will drive an end that is provided with spacing breach and pass the torsion spring seat of honour, the fan-shaped flange that drives seat cooperates with circular groove, the limiting stopper at the torsion spring seat of honour and is the rotation-limited structure, and collude in the groove at the seat of honour that the hook of torsion spring one end is plugged in the torsion spring seat of honour; The spacing block set of a lower end of torsion spring is cooperated with the spacing breach that drives seat, and the hook of the torsion spring other end is plugged in lower of lower of torsion spring colludes in the groove; The lower quadrant block of lower of the seat of honour quadrant block at the torsion spring seat of honour and torsion spring cooperated with the fan-shaped bump of braking fork one end be the rotation-limited structure, and seat of honour quadrant block does not engage with a lower quadrant block, i.e. not interlock between seat of honour quadrant block and the lower quadrant block; The driving seat that will connect at last, the torsion spring seat of honour, torsion spring, lower of torsion spring, braking fork, nest place in the braking sleeve, and nest is limited in braking sleeve one end, and the end that the braking fork is provided with the hexagon ring axle stretches out nest.The above i.e. whole fitting process of this winch brake device.
Connect electric capstan as example take this winch brake device, principle of work of the present utility model is briefly described.During use, the capstan winch axle drive shaft connects the driving seat of winch brake device, and the hexagon ring axle of braking fork connects the capstan winch output shaft in the winch brake device.When the capstan winch axle drive shaft drives the rotation of driving seat clockwise direction, the fan-shaped flange that drives seat drives the interior limiting stopper of torsion spring seat of honour circular groove, the torsion spring seat of honour is clockwise rotated, the seat of honour at the torsion spring seat of honour is colluded the moving torsion spring hook of troughed belt and is tightened up the direction action towards torsion spring, be clutch state this moment between torsion spring and the braking sleeve, the seat of honour quadrant block at the torsion spring seat of honour will further drive the fan-shaped bump of braking fork, and the braking fork is clockwise rotated, and realize the cw work of capstan winch.When capstan winch axle drive shaft drive driving seat rotates counterclockwise, the spacing breach that drives seat drives the spacing block set of lower of torsion spring, lower of torsion spring is rotated counterclockwise, lower of lower of torsion spring is colluded the moving torsion spring hook of troughed belt and tightens up the direction action towards torsion spring, be clutch state this moment between torsion spring and the braking sleeve, the lower quadrant block that torsion spring is lower will further drive the fan-shaped bump of braking fork, and the braking fork is rotated counterclockwise, and realize the conter clockwise work of capstan winch.Above process is the process of capstan winch rotating work.When the capstan winch shutdown operation, namely the capstan winch axle drive shaft stops operating.When the stall of capstan winch output shaft cw, the fan-shaped bump of braking fork drives a lower quadrant block of lower of torsion spring, lower of torsion spring is clockwise rotated, lower of lower of torsion spring is colluded the moving torsion spring hook of troughed belt and moves towards torsion spring tensioner direction, the interior wall friction of this moment torsion spring and braking sleeve is held tightly, form drum and stop, realize the clockwise brake of capstan winch.When the stall of capstan winch output shaft conter clockwise, the capstan winch output shaft drives the braking fork and rotates counterclockwise, the fan-shaped bump of braking fork drives the seat of honour quadrant block at the torsion spring seat of honour, the torsion spring seat of honour is rotated counterclockwise, the seat of honour at the torsion spring seat of honour is colluded the moving torsion spring hook of troughed belt and is moved towards torsion spring tensioner direction, this moment, torsion spring and braking sleeve friction were held tightly, formed drum and stopped, and realized the brake of capstan winch anti-clockwise.Above process is the process that the capstan winch rotating is braked.
Claims (4)
1. winch brake device, this winch brake device comprises driving seat (1), a torsion spring (3), braking fork (5), nest (6), braking sleeve (7), drive seat and be provided with the flat hole (103) that connects the capstan winch axle drive shaft, braking fork one end is provided with fan-shaped bump (502), the other end is provided with the hexagon ring axle (501) that connects the capstan winch output shaft, the torsion spring two ends are equipped with the hook (301) that bends inwards, drive seat, torsion spring, braking fork, nest and place in the braking sleeve, and the hexagon ring axle pitched of braking passes nest and is exposed to braking sleeve one end; It is characterized in that being provided with the torsion spring seat of honour (2) between described driving seat (1) and the described torsion spring (3), be provided with lower of torsion spring (4) between described torsion spring and the braking fork (5), described driving seat one end side face is provided with fan-shaped flange (101), drive the seat other end and be provided with spacing breach (102), the described torsion spring seat of honour one end is provided with the circular groove (203) that cooperates with described fan-shaped flange rotation-limited, be provided with limiting stopper (204) in the circular groove, the torsion spring seat of honour other end is provided with described braking and pitches the seat of honour quadrant block (202) that an end fan-shaped bump rotation-limited cooperates, and groove (201) is colluded at the seat of honour that cooperates with described torsion spring one end hook (301) grafting; Lower end of described torsion spring is provided with spacing block set (403), the side face that torsion spring is lower is provided with described braking and pitches the lower quadrant block (402) that an end fan-shaped bump rotation-limited cooperates, and lower seat quadrant block is provided with peg graft lower of cooperating of described torsion spring other end hook and colludes groove (401); A described end that is provided with spacing breach that drives passes the described torsion spring seat of honour, and cooperates with the spacing block set rotation-limited of lower of described torsion spring, and described seat of honour quadrant block does not engage with a described lower quadrant block.
2. described winch brake device according to claim 1 is characterized in that the described spacing breach (102) that drives seat (1) is rectangle spacing block set (403) parallelogram of described torsion spring lower (4).
3. described winch brake device according to claim 1, it is characterized in that the described fan-shaped flange (101) that drives seat (1), the limiting stopper (204) in the torsion spring seat of honour (2) circular groove (203), the seat of honour quadrant block (202) at the torsion spring seat of honour, a lower quadrant block (402) of torsion spring lower (4), all in pairs settings of fan-shaped bump (501) that (5) are pitched in braking, and be centrosymmetric with respect to each autonomous agent.
4. described winch brake device according to claim 1 is characterized in that described braking fork (5) replaces with that an end is provided with fan-shaped bump (502), the other end is provided with gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335401 CN202687861U (en) | 2012-07-11 | 2012-07-11 | Winch brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335401 CN202687861U (en) | 2012-07-11 | 2012-07-11 | Winch brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687861U true CN202687861U (en) | 2013-01-23 |
Family
ID=47543509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220335401 Withdrawn - After Issue CN202687861U (en) | 2012-07-11 | 2012-07-11 | Winch brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687861U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765673A (en) * | 2012-07-11 | 2012-11-07 | 崔晓君 | Improved winch brake device and installation method thereof |
| CN105540471A (en) * | 2016-02-26 | 2016-05-04 | 徐工集团工程机械股份有限公司 | Steel wire rope pre-tightening force applying system |
| CN109678075A (en) * | 2019-01-15 | 2019-04-26 | 杭州洛基机械制造有限公司 | A kind of torque limiter connection structure for electric winch |
-
2012
- 2012-07-11 CN CN 201220335401 patent/CN202687861U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765673A (en) * | 2012-07-11 | 2012-11-07 | 崔晓君 | Improved winch brake device and installation method thereof |
| CN105540471A (en) * | 2016-02-26 | 2016-05-04 | 徐工集团工程机械股份有限公司 | Steel wire rope pre-tightening force applying system |
| CN105540471B (en) * | 2016-02-26 | 2017-11-28 | 徐工集团工程机械股份有限公司 | A kind of steel wire rope pretension afterburner system |
| CN109678075A (en) * | 2019-01-15 | 2019-04-26 | 杭州洛基机械制造有限公司 | A kind of torque limiter connection structure for electric winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140903 |
|
| RGAV | Abandon patent right to avoid regrant |