CN103663242A - Winch brake - Google Patents
Winch brake Download PDFInfo
- Publication number
- CN103663242A CN103663242A CN201310591131.7A CN201310591131A CN103663242A CN 103663242 A CN103663242 A CN 103663242A CN 201310591131 A CN201310591131 A CN 201310591131A CN 103663242 A CN103663242 A CN 103663242A
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- seat
- rises
- clubfoot
- capstan winch
- 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.)
- Granted
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention relates to a winch brake which comprises a drive seat, an inverse expansion torsion spring, a driven seat, and a brake sleeve. The drive seat and the driven seat are coaxially connected and rotate relative to each other. The inverse expansion torsion spring is connected to a column section of the drive seat and a column section of the driven seat in a sleeved mode. The drive seat, the inverse expansion torsion spring and the driven seat constitute a whole body and are arranged in the brake sleeve. An outer ring of the inverse expansion torsion spring is in friction contact with the inner wall of the brake sleeve in an initial state, and the initial friction force is smaller than the friction force formed by the inverse expansion torsion spring and the inner wall of the brake sleeve at braking time. A flange blocking a corresponding bending foot bending part is arranged on the circumferential face of the column section of the driven seat and on one side where a bending foot groove pushes a corresponding bending foot to enable the inverse expansion torsion spring to expand. The size of the outer diameter formed by the flange relative to the axis of the driven seat is not smaller than the radius of the outer ring of the inverse expansion torsion spring. Through the flange, the inverse expansion torsion spring can still be driven to realize brake when the bending foot of the torsion spring is damaged, so that the stability and the reliability of the winch brake are improved, and traction is prevented from failing. The winch brake is suitable for various winch brake devices or structural improvement of like products.
Description
Technical field
The present invention relates to capstan winch, especially a kind of capstan winch brake.
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 is with self-stopping function, that is: during capstan winch stall, hauling rope that can automatic locking capstan winch, prevents that traction lost efficacy.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, by coupler two, drive torsion spring outwards to expand, 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 when 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 capstan winch brake haves much room for improvement at aspects such as functional reliability and service lifes.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide to this area a kind of capstan winch brake, make 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 capstan winch brake, this capstan winch brake connects motor, electric machine support, this capstan winch brake 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, active seat, the contrary torsion spring that rises, the integral body 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 when the friction force under this initial condition is less than brake, the contrary torsion spring that rises expands and the formed friction force of braking sleeve inwall.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, flange is not less than the described contrary torsion spring outer ring radius that rises with respect to the formed outside dimension in passive seat axle center.By this flange is set, make the clubfoot of the contrary torsion spring that rises be difficult for flexural deformation, even clubfoot fracture or damage and the ineffective power of clubfoot groove because of the contrary torsion spring that rises, by flange, still can apply application force to the contrary torsion spring that rises, thereby overcome the problem that existing capstan winch brake cannot be braked because of the contrary torsion spring clubfoot damage of rising, improve the reliability and stability of capstan winch brake, extended the service life of capstan winch brake.
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; When 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 capstan winch brake 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, by wild card, embed in described circular groove and groove and be fixed.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 consists of torsion spring, at the contrary torsion spring two ends of rising, respectively forms two clubfoots.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.
Standard of the present invention is comparatively simple, when torsion spring clubfoot damages, still can play brake function, effectively improved 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.
Accompanying drawing explanation
Fig. 1 is blast structural representation of the present invention.
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, active 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.
The specific embodiment
Now by reference to the accompanying drawings, the invention will be further described.
As shown in Figure 1 and Figure 2, this capstan winch brake comprises initiatively seat 3, the contrary torsion spring 4 that rises, passive seat 5, positioning adapter 6, braking sleeve 7, active 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, wipe contact under the contrary torsion spring initial condition that rises and between braking sleeve inwall wherein, 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, it is identical and be a pair of large secter pat 302 and a pair of little secter pat 303 that ladder distributes that secter pat is axially divided into arc radius along central segment, 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, by spline, coordinate with internal splined hole 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, with respect to protruding axle, be centrosymmetric and stretch into a pair of large arc bump 502 that initiatively seat fan-shaped hollow out position and the rotation of little secter pat offset, 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: when 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 that flange is with respect to the formed outside dimension in 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 the recess 202 coordinating with locating piece location, at block set side face, be provided with the circular groove 205 through recess, when locating piece coordinates with recess, the groove of circular groove and locating piece is complementary, by annular wild card 9, embed in above-mentioned circular groove and groove, realize the fixing of braking sleeve and block set.
According to said structure and connection, specific works principle of the present invention is described as follows:
When capstan winch is implemented unwrapping wire operation, a clockwise direction by driven by motor active seat towards arrow shown in Fig. 2 rotates, because clockwise rotating of active seat is stressed, overcome the contrary initial frictional rising between torsion spring and braking sleeve, 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.When capstan winch is implemented draw operations, by initiatively counterclockwise rotation of seat of driven by motor, because of the clubfoot of the contrary torsion spring left end that rises with between seat fan groove, be initiatively movable cooperation, therefore initiatively first seat drives passive seat to rotate, then the right-hand member clubfoot against the torsion spring that rises rotates counterclockwise by passive seat drive.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.In distraction procedure during 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 between torsion spring and braking sleeve of rising (the contrary torsion spring that rises changes fast near the part of passive seat, and be subject to initial frictional to affect variation slowly 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 invention.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, the flange by passive seat still can apply application force to the contrary torsion spring that rises, thereby has overcome the problem of existing capstan winch brake because braking against the torsion spring clubfoot damage of rising.Said structure and principle, be intended to illustrate technological means of the present invention, and unrestricted technical scope of the present invention, and those skilled in the art do apparent improvement in conjunction with existing common practise to the present invention, also falls within the present invention will protect claim scope.
Claims (8)
1. a capstan winch brake, this capstan winch brake connects motor (1), electric machine support (2), this capstan winch brake 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, active seat, the contrary torsion spring that rises, the integral body 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 when the friction force under this initial condition is less than brake, the contrary torsion spring that rises expands and the formed friction force of braking sleeve inwall, 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, flange is not less than the described contrary torsion spring outer ring radius that rises with respect to the formed outside dimension in passive seat axle center.
2. capstan winch brake 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); When 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. capstan winch brake according to claim 1, is characterized in that described active seat (3) center is provided with internal splined hole, the internal splined hole that described motor (1) is in transmission connection initiatively by spline (203).
4. capstan winch brake 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, by wild card (9), embed in described circular groove and groove and be fixed.
5. capstan winch brake 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. capstan winch brake according to claim 1, is characterized in that the described contrary torsion spring (4) that rises consists of torsion spring, respectively forms two clubfoots (401) at the contrary torsion spring two ends of rising.
7. capstan winch brake 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. capstan winch brake 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 |
|---|---|---|---|
| CN201310591131.7A CN103663242B (en) | 2013-11-21 | 2013-11-21 | Winch brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591131.7A CN103663242B (en) | 2013-11-21 | 2013-11-21 | Winch brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103663242A true CN103663242A (en) | 2014-03-26 |
| CN103663242B CN103663242B (en) | 2015-12-16 |
Family
ID=50302173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310591131.7A Active CN103663242B (en) | 2013-11-21 | 2013-11-21 | Winch brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103663242B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044752A (en) * | 2019-12-26 | 2021-06-29 | 浙江阜康机械有限公司 | Brake mechanism |
| CN114954888A (en) * | 2022-01-26 | 2022-08-30 | 重庆大学 | Electric steering engine self-locking mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263831A (en) * | 1992-03-13 | 1993-10-12 | Nobuo Takada | Torque retaining safety device |
| CN2687411Y (en) * | 2004-03-03 | 2005-03-23 | 杭州天铭机电工具有限公司 | Torsional spring autmatic brake coupling device |
| CN201873483U (en) * | 2010-11-01 | 2011-06-22 | 崔晓君 | Automatic brake device of winch |
| CN102765673A (en) * | 2012-07-11 | 2012-11-07 | 崔晓君 | Improved winch brake device and installation method thereof |
| CN203624946U (en) * | 2013-11-21 | 2014-06-04 | 宁波联达绞盘有限公司 | Winch brake device |
-
2013
- 2013-11-21 CN CN201310591131.7A patent/CN103663242B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263831A (en) * | 1992-03-13 | 1993-10-12 | Nobuo Takada | Torque retaining safety device |
| CN2687411Y (en) * | 2004-03-03 | 2005-03-23 | 杭州天铭机电工具有限公司 | Torsional spring autmatic brake coupling device |
| CN201873483U (en) * | 2010-11-01 | 2011-06-22 | 崔晓君 | Automatic brake device of winch |
| CN102765673A (en) * | 2012-07-11 | 2012-11-07 | 崔晓君 | Improved winch brake device and installation method thereof |
| CN203624946U (en) * | 2013-11-21 | 2014-06-04 | 宁波联达绞盘有限公司 | Winch brake device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044752A (en) * | 2019-12-26 | 2021-06-29 | 浙江阜康机械有限公司 | Brake mechanism |
| CN114954888A (en) * | 2022-01-26 | 2022-08-30 | 重庆大学 | Electric steering engine self-locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103663242B (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203624946U (en) | Winch brake device | |
| JP2017529826A5 (en) | ||
| CN102808864B (en) | Sliding ball type constant velocity joint for vehicle | |
| CN205715374U (en) | A kind of caliper structure of band parking function | |
| CN103663242A (en) | Winch brake | |
| JP2015169273A (en) | Electromagnetic brake device, hoist for elevator, and elevator | |
| CN204153001U (en) | The quincunx elastomer coupling of a kind of brake type | |
| CN104773558B (en) | A kind of cloth winch spool installing mechanism | |
| CN102878230A (en) | Centrifugal over-speed actuating device | |
| CN105293334A (en) | Rotating body | |
| CN204251262U (en) | Torque limiting and ratchet brake assembly structure | |
| WO2015186222A1 (en) | Elevator hoist and method for fastening rope sheave for elevator hoist | |
| CN106427388B (en) | Mecanum wheel apparatus with the rotation of roller controllability | |
| CN104477807A (en) | Brake clutch device of lever block | |
| CN102765673B (en) | Improved winch brake device and installation method thereof | |
| CN203682810U (en) | Disk brake for lift traction machine | |
| CN208006930U (en) | New-energy automobile four wheel electronic holding brake device | |
| CN102889322A (en) | Braking device | |
| CN202349018U (en) | Anti-reversion braking device in intermittent movement | |
| CN204801912U (en) | Spare tyre elevating gear and rocker, spare tyre riser and vehicle thereof | |
| CA2928360C (en) | A winch with an anti-locking structure | |
| CN104405793B (en) | Safety clutch | |
| CN210780500U (en) | Permanent magnet coupler with braking device | |
| CN104555211A (en) | Drive mechanism and goods shelf roller bed transmission device | |
| CN212183297U (en) | Shaft type bidirectional self-locking antiskid device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |