CN203624946U - Winch brake device - Google Patents
Winch brake device Download PDFInfo
- Publication number
- CN203624946U CN203624946U CN201320743696.8U CN201320743696U CN203624946U CN 203624946 U CN203624946 U CN 203624946U CN 201320743696 U CN201320743696 U CN 201320743696U CN 203624946 U CN203624946 U CN 203624946U
- Authority
- CN
- China
- Prior art keywords
- seat
- torsion spring
- rises
- brake device
- braking sleeve
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a winch brake device which comprises a driving seat, an inverse expansion torsional spring, a driven seat and a braking sleeve. The driving seat and the driven seat are coaxially connected and relatively rotate, the inverse expansion torsional spring is connected to a column segment of the driving seat and a column segment of the driven seat in a sleeved mode, the driving seat, the inverse expansion torsional spring and the driven seat are arranged in the braking sleeve, the initial lower end of the outer ring of the inverse expansion torsional spring is in friction contact with the inner wall of the braking sleeve, and initial friction force is smaller than the friction force generated by the inverse expansion torsional spring and the inner wall of the braking sleeve due to the expansion of the inverse expansion torsional spring in the braking process. Corresponding bent pins are pushed in bent pin grooves in the circumferential surface of the column segment of the driven seat to enable the expanded side of the inverse expansion torsional spring to be provided with flanges blocking the bent portions of the corresponding bent pins, and the dimension of the outer diameter formed by the flanges relative to the axis of the driven seat is not smaller than the radius of the outer ring of the inverse expansion torsional spring. Through the flanges, when the bent pins of the torsional spring are damaged, the inverse expansion torsional spring can still be driven to achieve braking, the stability and reliability of the winch brake device are improved, and a traction failure is avoided. The winch brake device is suitable for being used as various winch braking devices or the structural improvement of the products of the same kind.
Description
Technical field
The utility model relates to capstan winch, especially a kind of winch brake device.
Background technology
Capstan winch is a kind of accessory equipment of saving oneself or using as draw gear for vehicle.Due to without brake gear, usually there is the problem that traction was lost efficacy in traditional capstan winch, for this reason, existing capstan winch design with self-stopping function, that is: when capstan winch stall, hauling rope that can automatic locking capstan winch, prevents traction inefficacy.As the Granted publication CN202369311U of Chinese patent literature publication, August 8 2012 Granted publication day, utility model name is called " backstopping device ", it comprises coupler one, coupler two, coupler cover, brake lining, torsion spring, circlip, steel bushing, shield bearing, drive torsion spring outwards to expand by coupler two, wall friction in torsion spring and steel bushing, plays the effect of stop brake.This kind of backstopping device, although can play the effect of brake, because torsion spring is in the time bearing unexpected deformation, the easily distortion and occur the situation of slight crack or fracture of its clubfoot position, once the fracture of torsion spring clubfoot can cause windlass to lose efficacy, accidents caused.For this reason, existing winch brake device functional reliability and service life etc. aspect have much room for improvement.
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 the fragile inefficacy of existing like product, the technical matters that service life is shorter.Its objective is and be achieved through the following technical solutions.
A kind of winch brake device, this winch brake device connects motor, electric machine support, this winch brake device comprises initiatively seat, the contrary torsion spring that rises, passive seat, braking sleeve, initiatively seat with passive coaxial be connected to be relatively rotate, the contrary torsion spring set that rises is connected to initiatively seat, on the shell of column of passive seat, initiatively the shell of column of seat is provided with and the movable fan groove coordinating of contrary torsion spring one end clubfoot that rises, the shell of column of passive seat is provided with the clubfoot groove with the contrary torsion spring other end clubfoot heavy keying fit that rises, initiatively seat, the contrary torsion spring that rises, the entirety that passive seat forms is placed in braking sleeve, under the outer ring initial condition of the contrary torsion spring that rises with braking sleeve inwall wipe contact, and the contrary friction force that torsion spring expands and braking sleeve inwall forms that the rises when friction force under this initial condition is less than brake.Its structural feature is on the shell of column side face of described passive seat, be positioned at described clubfoot groove and promote the side that corresponding clubfoot expands the contrary torsion spring that rises, be provided with the flange that stops corresponding clubfoot turn of bilge, the outside dimension that flange forms with respect to passive seat axle center is not less than the described contrary torsion spring outer ring radius that rises.By this flange is set, make the clubfoot of the contrary torsion spring that rises be difficult for flexural deformation, even because of clubfoot fracture or damage and the ineffective power of clubfoot groove of the contrary torsion spring that rises, still can apply application force to the contrary torsion spring that rises by flange, thereby overcome existing winch brake device because damaging against the torsion spring clubfoot that rises the problem that cannot brake, improve the reliability and stability of winch brake device, extended the service life of winch brake device.
The shell of column of described active seat is by central segment, and be connected in the secter pat that central segment side face is centrosymmetric with respect to the axle center of central segment and form, secter pat is axially divided into same radius and is large secter pat and the little secter pat that ladder distributes along central segment, between two large secter pats are circumferential, form and the described fan groove coordinating against the torsion spring clubfoot that rises, between two little secter pats, forming both sides is the structure that fan-shaped hollow out, middle part are circular hole; The shell of column of described passive seat is provided with the protruding axle coordinating with described circular hole, be provided with respect to protruding axle and be centrosymmetric and stretch into described fan-shaped hollow out and described little secter pat rotates the large arc bump offseting, and be provided with two large arc bumps circumferentially between and and arc bump between form the little arc bump of described clubfoot groove; In the time that large arc bump stretches into described fan-shaped hollow out and secter pat end face offsets greatly, described little arc bump and described little secter pat end face offset.By adopting said structure, make initiatively seat, passive seat and more accurate against the location of rising between torsion spring, the anti-non-return torsion spring play that rises.Meanwhile, improve the right alignment between active seat and passive seat, also can improve the reliability and stability of winch brake device work.
Described active seat center is provided with internal splined hole, and described motor connects the initiatively internal splined hole of seat by spline drived.This kind is in transmission connection comparatively firm, convenient.
The outer peripheral face of described braking sleeve is provided with the locating piece of annular array, locating piece is provided with groove, described electric machine support is provided with the block set that connects braking sleeve, block set is provided with the recess coordinating with described locating piece, block set side face be provided with through recess and with the circular groove of described groove complementation, between described braking sleeve and block set, embed in described circular groove and groove and be fixed by wild card.This kind of structure facilitates installation, maintenance.
The outer peripheral face of described braking sleeve is provided with annular lip, is provided with the annular slot coordinating with annular lip in described block set.
The described contrary torsion spring that rises is made up of torsion spring, at contrary two clubfoots of the each formation in torsion spring two ends that rise.Torsion spring is compared single torsion spring, and brake reliability is higher, longer service life.
In described braking sleeve, be provided with the positioning adapter for passive seat location, positioning adapter is limited in braking sleeve by jump ring.
Described electric machine support adopts aluminium brackets, and radiating effect is better.
The utility model Standard is comparatively simple, in the time that torsion spring clubfoot damages, still can play brake function, effectively improve stability and the reliability of brake, the length that increases the service life, minimizing accident occurs, the brake gear that is suitable as all kinds of capstan winches uses, or the structural development of like product.
Brief description of the drawings
Fig. 1 is blast structural representation of the present utility model.
Fig. 2 is the part-structure enlarged diagram of Fig. 1.
In figure, the name of sequence number is called: 1, motor, 2, electric machine support, 201, block set, 202, recess, 203, spline, 204, annular slot, 205, circular groove, 3, initiatively seat, 301, central segment, 302, large secter pat, 303, little secter pat, 304, circular hole, 4, the contrary torsion spring that rises, 401, clubfoot, 5, passive seat, 501, inner hexagonal hole, 502, large arc bump, 503, clubfoot groove, 504, flange, 505, little arc bump, 506, protruding axle, 6, positioning adapter, 7, braking sleeve, 701, locating piece, 702, groove, 703, annular lip, 8, jump ring, 9, wild card.
Detailed description of the invention
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 initiatively seat 3, the contrary torsion spring 4 that rises, passive seat 5, positioning adapter 6, braking sleeve 7, initiatively seat connection motor 1 mouth, motor connects electric machine support 2, electric machine support is provided with the block set 201 with braking sleeve socket, initiatively seat, the contrary torsion spring that rises, passive seat, positioning adapter connect successively, and be limited in braking sleeve by jump ring 8, wherein wipe contact under the torsion spring initial condition that rises and between braking sleeve inwall, the contrary friction force rising between torsion spring and braking sleeve when this friction force is less than brake.Concrete structure be connected as follows:
Initiatively seat is provided with the shell of column being socketed with the contrary torsion spring one end of rising, this shell of column is by central segment 301, and be connected in a pair of secter pat that central segment side face is centrosymmetric with respect to the axle center of central segment and form, secter pat along central segment be axially divided into arc radius identical and be ladder distribute a pair of large secter pat 302 and a pair of little secter pat 303, the fan groove that forms and coordinate against the torsion spring one end clubfoot 401 that rises between two large secter pats are circumferential, between two little secter pats, forming both sides is fan-shaped hollow out, middle part is the structure of circular hole 304, center in central segment is provided with internal splined hole, corresponding motor output end connects spline 203, coordinate with internal splined hole by spline and realize being in transmission connection of motor and active seat.
Passive seat is provided with the shell of column with the contrary torsion spring other end socket of rising, the protruding axle 506 that this shell of column is provided with initiatively seat circular hole coordinates, be centrosymmetric and stretch into initiatively seat fan-shaped hollow out position and little secter pat and rotate a pair of large arc bump 502 offseting with respect to protruding axle, between two large arc bumps are circumferential, be provided with a pair of little arc bump 505 being centrosymmetric with respect to protruding axle, the clubfoot groove 503 that forms and coordinate against this end clubfoot of torsion spring that rises between little arc bump and large arc bump.The relativeness of large arc bump and little arc bump is: in the time that large arc bump stretches into above-mentioned fan-shaped hollow out and secter pat end face offsets greatly, little arc bump and little secter pat end face offset.Emphasis structure of the present invention is on passive seat pillar section side face, be positioned at clubfoot groove and promote corresponding clubfoot and make the side that the contrary torsion spring that rises expands be provided with flange, the outer peripheral face of flange is not less than against rising by torsion spring outer ring radius to the radial distance (being the outside dimension that flange forms with respect to passive seat axle center) in passive seat axle center.
The contrary torsion spring that rises adopts single torsion spring or torsion spring structure, and corresponding active seat, passive seat are provided with fan groove and the clubfoot groove with corresponding clubfoot number coupling.
The outer peripheral face of braking sleeve is provided with three locating pieces 701 of annular array, and the middle part of locating piece is provided with groove 702.Electric machine support is provided with the block set 201 with braking sleeve socket, block set is provided with locating piece and locates the recess 202 coordinating, be provided with the circular groove 205 through recess at block set side face, in the time that locating piece coordinates with recess, the groove complementation of circular groove and locating piece, embed in above-mentioned circular groove and groove by annular wild card 9, realize the fixing of braking sleeve and block set.
According to said structure and connection, specific works principle of the present utility model is described as follows:
In the time that capstan winch is implemented unwrapping wire operation, rotated towards the clockwise direction of arrow shown in Fig. 2 by driven by motor active seat, overcome the contrary initial frictional rising between torsion spring and braking sleeve because clockwise rotating of active seat is stressed, the contrary torsion spring that rises shrinks, therefore can not form brake with braking sleeve, the contrary torsion spring that rises clockwise rotates and then drives passive seat to clockwise rotate, and realizes unwrapping wire operation.In the time that capstan winch is implemented draw operations, by initiatively counterclockwise rotation of seat of driven by motor, between the clubfoot of the contrary torsion spring left end that rises of cause and active seat fan groove, be movable cooperation, therefore first active seat drives passive to rotate, then drive against the right-hand member clubfoot of the torsion spring that rises and rotate counterclockwise by passive seat.Now, the contrary torsion spring right-hand member clubfoot that rises rotates counterclockwise the stressed contrary initial frictional rising between torsion spring and braking sleeve that overcomes, and the contrary torsion spring that rises also shrinks, therefore can not form brake with braking sleeve, realizes draw operations.When in distraction procedure when the unexpected stall of motor, the Action of Gravity Field that is drawn object due to passive seat occurs reversing stressed, now, this reversion is stressed to be overcome the contrary initial frictional rising between torsion spring and braking sleeve (the contrary torsion spring that rises changes fast near the part of passive seat, change slowly and affected by initial frictional near the part of active seat), the contrary torsion spring that rises expands, and historical facts or anecdotes is now braked.More than be specific works principle of the present utility model.Simultaneously, when the clubfoot against the torsion spring that rises is because of fracture or damage, cause contraryly while rising by torsion spring and the ineffective power of clubfoot groove, still can apply application force to the contrary torsion spring that rises by the flange of passive seat, thereby overcome existing winch brake device because damaging against the torsion spring clubfoot that rises the problem that cannot brake.Said structure and principle; be intended to illustrate technological means of the present invention; and unrestricted technical scope of the present invention, those skilled in the art do apparent improvement in conjunction with existing common practise to the utility model, also fall within the utility model will protect claim scope.
Claims (8)
1. a winch brake device, this winch brake device connects motor (1), electric machine support (2), this winch brake device comprises initiatively seat (3), the contrary torsion spring (4) that rises, passive seat (5), braking sleeve (7), initiatively seat with passive coaxial be connected to be relatively rotate, the contrary torsion spring set that rises is connected to initiatively seat, on the shell of column of passive seat, initiatively the shell of column of seat is provided with and the movable fan groove coordinating of contrary torsion spring one end clubfoot that rises, the shell of column of passive seat is provided with the clubfoot groove (503) with the contrary torsion spring other end clubfoot heavy keying fit that rises, initiatively seat, the contrary torsion spring that rises, the entirety that passive seat forms is placed in braking sleeve, under the outer ring initial condition of the contrary torsion spring that rises with braking sleeve inwall wipe contact, and the contrary friction force that torsion spring expands and braking sleeve inwall forms that the rises when friction force under this initial condition is less than brake, it is characterized in that on the shell of column side face of described passive seat (5), be positioned at described clubfoot groove (503) and promote the side that corresponding clubfoot (401) expands the contrary torsion spring (401) that rises, be provided with the flange (504) that stops corresponding clubfoot turn of bilge, the outside dimension that flange forms with respect to passive seat axle center is not less than the described contrary torsion spring outer ring radius that rises.
2. winch brake device according to claim 1, is characterized in that:
The shell of column of described active seat (3) is by central segment (301), and be connected in the secter pat that central segment side face is centrosymmetric with respect to the axle center of central segment and form, secter pat is axially divided into same radius and is large secter pat (302) and the little secter pat (303) that ladder distributes along central segment, between two large secter pats are circumferential, form and the described described fan groove coordinating against torsion spring (4) clubfoot (401) that rises, between two little secter pats, forming both sides is that fan-shaped hollow out, middle part are the structure of circular hole (304);
The shell of column of described passive seat (5) is provided with the protruding axle (506) coordinating with described circular hole, be provided with respect to protruding axle and be centrosymmetric and stretch into described fan-shaped hollow out and described little secter pat rotates the large arc bump (502) offseting, and be provided with two large arc bumps circumferentially between and and large arc bump between form the little arc bump (505) of described clubfoot groove (503); In the time that large arc bump stretches into described fan-shaped hollow out and secter pat end face offsets greatly, described little arc bump and described little secter pat end face offset.
3. winch brake device according to claim 1, is characterized in that described active seat (3) center is provided with internal splined hole, and described motor (1) is by spline (203) the initiatively internal splined hole of seat that is in transmission connection.
4. winch brake device according to claim 1, it is characterized in that the outer peripheral face of described braking sleeve (7) is provided with the locating piece (701) of annular array, locating piece is provided with groove (702), described electric machine support (2) is provided with the block set (201) that connects braking sleeve, block set is provided with the recess (202) coordinating with described locating piece, block set side face be provided with through recess and with the circular groove (205) of described groove complementation, between described braking sleeve and block set, embed in described circular groove and groove and be fixed by wild card (9).
5. winch brake device according to claim 4, is characterized in that the outer peripheral face of described braking sleeve (7) is provided with annular lip (703), is provided with the annular slot (204) coordinating with annular lip in described block set (202).
6. winch brake device according to claim 1, is characterized in that the described contrary torsion spring (4) that rises is made up of torsion spring, at each two clubfoots (401) that form in the contrary torsion spring two ends of rising.
7. winch brake device according to claim 1, is characterized in that being provided with the positioning adapter (6) for passive seat (5) location in described braking sleeve (7), and positioning adapter is limited in braking sleeve by jump ring (8).
8. winch brake device according to claim 1, is characterized in that described electric machine support (2) is for aluminium brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743696.8U CN203624946U (en) | 2013-11-21 | 2013-11-21 | Winch brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743696.8U CN203624946U (en) | 2013-11-21 | 2013-11-21 | Winch brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203624946U true CN203624946U (en) | 2014-06-04 |
Family
ID=50811439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743696.8U Withdrawn - After Issue CN203624946U (en) | 2013-11-21 | 2013-11-21 | Winch brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203624946U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663242A (en) * | 2013-11-21 | 2014-03-26 | 宁波联达绞盘有限公司 | Winch brake |
| WO2016110333A1 (en) * | 2015-01-08 | 2016-07-14 | M.A.T. Malmedie Antriebstechnik Gmbh | System arrangement of lifting mechanisms and method of operating the system arrangement |
| CN107601315A (en) * | 2017-09-22 | 2018-01-19 | 宁波联达绞盘有限公司 | A kind of capstan winch |
| 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 |
-
2013
- 2013-11-21 CN CN201320743696.8U patent/CN203624946U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663242A (en) * | 2013-11-21 | 2014-03-26 | 宁波联达绞盘有限公司 | Winch brake |
| CN103663242B (en) * | 2013-11-21 | 2015-12-16 | 宁波联达绞盘有限公司 | Winch brake |
| WO2016110333A1 (en) * | 2015-01-08 | 2016-07-14 | M.A.T. Malmedie Antriebstechnik Gmbh | System arrangement of lifting mechanisms and method of operating the system arrangement |
| CN106458544A (en) * | 2015-01-08 | 2017-02-22 | Mat马勒麦迭传动科技有限公司 | System arrangement of lifting mechanisms and method of operating the system arrangement |
| KR101905288B1 (en) * | 2015-01-08 | 2018-10-05 | 엠.아.테.말메디 안트리브스테크니크 게엠베하 | System arrangement of lifting mechanisms and method of operating the system arrangement |
| US10112811B2 (en) | 2015-01-08 | 2018-10-30 | M.A.T. Malmedie Antriebstechnik Gmbh | System arrangement of lifting mechanisms and method of operating the system arrangement |
| CN106458544B (en) * | 2015-01-08 | 2019-08-27 | Mat马勒麦迭传动科技有限公司 | The system structure of elevating mechanism and the method for operating the system structure |
| CN107601315A (en) * | 2017-09-22 | 2018-01-19 | 宁波联达绞盘有限公司 | A kind of capstan winch |
| CN107601315B (en) * | 2017-09-22 | 2020-01-03 | 宁波联达绞盘有限公司 | Winch |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203624946U (en) | Winch brake device | |
| JP2017529826A5 (en) | ||
| CN102808864B (en) | Sliding ball type constant velocity joint for vehicle | |
| CN204153001U (en) | The quincunx elastomer coupling of a kind of brake type | |
| CN103663242A (en) | Winch brake | |
| JP2015169273A (en) | Electromagnetic brake device, hoist for elevator, and elevator | |
| CN104773558B (en) | A kind of cloth winch spool installing mechanism | |
| CN104494688A (en) | Mechanical steering structure of towing vehicle | |
| CN104140054A (en) | Electromagnetic disc brake and traction machine provided with same | |
| CN201934545U (en) | Clutch | |
| CN105293334A (en) | Rotating body | |
| JP6169274B2 (en) | Elevator hoisting machine and method for fastening sheaves of elevator hoisting machine | |
| CN106427388B (en) | Mecanum wheel apparatus with the rotation of roller controllability | |
| CN206242803U (en) | With the Mecanum wheel apparatus that roller controllability is rotated | |
| CN203682810U (en) | Disk brake for lift traction machine | |
| CN206914322U (en) | A kind of hawser crane of the disconnected cable brake gear of band | |
| CN204184133U (en) | With the driving axle of forklift structure of step trough | |
| CN202349018U (en) | Anti-reversion braking device in intermittent movement | |
| CN102765673B (en) | Improved winch brake device and installation method thereof | |
| WO2020253170A1 (en) | Wheel assembly and vehicle | |
| CA2928360C (en) | A winch with an anti-locking structure | |
| CN201439487U (en) | Winch braking device | |
| CN204801912U (en) | Spare tyre elevating gear and rocker, spare tyre riser and vehicle thereof | |
| CN210780500U (en) | Permanent magnet coupler with braking device | |
| CN102744708A (en) | Screw rod type jack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |