CN101962026A - Chain winding shaft and hand brake - Google Patents
Chain winding shaft and hand brake Download PDFInfo
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- CN101962026A CN101962026A CN2010105020963A CN201010502096A CN101962026A CN 101962026 A CN101962026 A CN 101962026A CN 2010105020963 A CN2010105020963 A CN 2010105020963A CN 201010502096 A CN201010502096 A CN 201010502096A CN 101962026 A CN101962026 A CN 101962026A
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- chain
- rolling axis
- hand brake
- brake
- hand
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Abstract
The invention provides a chain winding shaft and a hand brake, wherein the hand brake comprises a hand wheel, a driving shaft, a small gear, the chain winding shaft, a big gear and a chain, wherein the hand wheel is connected with the driving shaft; the driving shaft is connected with the small gear; the small gear is meshed with the big gear; the big gear is connected with the chain winding shaft; the chain is connected with the chain winding shaft; a chain transmission structure is formed on the main body of the chain winding shaft; and the chain transmission structure is matched with the chain for tightening one end of the chain and loosening the other end of the chain in the rotating process. By adopting the technical scheme of the invention, on one hand, the problem of winding chains in the rotating process of the chain winding shaft is solved, the brake efficiency is improved, and on the other hand, the requirement for a guiding function of a guide plate is reduced, the cost of manufacturing the guide plate is reduced, and finally the manufacturing cost of the whole hand brake is reduced.
Description
Technical field
The present invention relates to the vehicle braking control technology, relate in particular to a kind of chain-rolling axis and hand brake.
Background technology
Hand brake be a kind of be the braking prime power with the manpower, by rotating handwheel or stirring the mechanism that control handle is realized railway vehicle braking, mitigation.Hand brake has simple in structure, and expense is cheap, advantages such as reliable effect, therefore become railway use in history the most remote, a kind of equipment that survivability is the most indomitable.At present mainly utilize hand brake assist on the railway to finish shunt, the ramp prevents operations such as slide; Safe operation plays an important role hand brake to rolling stock.
Wherein, fixedly the chain type hand brake is widely used a kind of hand brake on the early stage railway.Fig. 1 is the existing fixedly structural representation of chain type hand brake.As shown in Figure 1, this fixedly the chain type hand brake mainly form by hand braking handwheel 1, hand brake mast support 2, hand brake mast 3, detent roller pallet hammer 4, detent roller pallet 5, detent roller pallet holder 6, detent roller 7, pedal 8, hand brake master step 9, hand braking chain 10, chain pulley 11, parking brake lever holder 12 and parking brake lever 13 etc.Its concrete principle of work is: the operator rotates hand braking handwheel 1, drives hand brake mast 3 by hand braking handwheel 1 and rotates together; Turning effort is transferred to hand braking chain 10 by detent roller pallet hammer 4, detent roller pallet 5, detent roller pallet holder 6, detent roller 7, pedal 8 and hand brake master step 9, and spur the movable end of hand braking chain 10, parking brake lever 13 by connecting chain pulley 11 reaches brake lever with turning effort, again by foundation brake rigging drive brake shoe near and the wheel that rubs realize brake action.
The braking-force ratio of said fixing chain type hand brake is less, and braking, mitigation is dumb, adds to have friction between parking brake lever and the parking brake lever holder, makes that fixedly the brake efficiency of chain type hand brake is not high; And when on lorry, installing and fixing the chain type hand brake,, therefore, be easy to destroyed during loading and unloading because the hand braking handwheel of structural limitations often is higher than the floor of flatcar or the headwall of open-top car.
Based on the problems referred to above, prior art proposes a kind of FSW hand brake.Fig. 2 is the structural representation of existing FSW hand brake.As shown in Figure 2, this FSW hand brake mainly comprises parts such as handwheel 21, imput shaft 22, miniature gears 23, chain-rolling axis 24, big gear wheel 25 and chain 26.Wherein chain-rolling axis 24 is connected with big gear wheel 25, and also is provided with locating dowel pin 27 on the big gear wheel 25, and the end of locating dowel pin 27 is provided with guide plate 28; Said structure specifically as shown in Figure 3.Wherein, an end of chain 26 27 is fixed slightly by guide plate 28 and location in use, and the other end is connected on the brake lever, passes through chain-rolling axis 24 therebetween.The principle of work of this FSW hand brake is: the operator rotates handwheel 21, and handwheel 21 drives imput shaft 22 and miniature gears 23 rotates together; Big gear wheel 25 and miniature gears 23 engagements, therefore, by miniature gears 23 drive big gear wheels 25 scrolling chain-rolling axis 24, chain 26 is constantly twined on chain-rolling axis 24, produce friction realization brake action thereby spur brake lever and brake shoe is strained wheel by foundation brake rigging.
Above-mentioned FSW hand brake has simple to operate, failure-free advantage; And its braking force is bigger, has quick alleviation and graduated release function, improves brake efficiency to a certain extent.But along with the rotation of handwheel, chain constantly twines on chain-rolling axis, can cause driving efficiency more and more lower; In addition, correctly twine in order to guide chain, guide plate must be processed into specific arc, and its manufacturing cost is higher.
Summary of the invention
The invention provides a kind of chain-rolling axis and hand brake,, reduce the productive costs of hand brake in order to improve the brake efficiency of hand brake.
The invention provides a kind of chain-rolling axis, be formed with the chain gear structure on the main body of described chain-rolling axis; Described chain gear structure cooperates with chain, is used for making at rotation process the end tension of described chain, and the other end of described chain is loosened.
Aforesaid chain-rolling axis, wherein, described chain gear structure is a plurality of profiles of tooth that are formed on the described chain-rolling axis main body.
The present invention also provides a kind of hand brake, comprising: handwheel, imput shaft, miniature gears, chain-rolling axis, big gear wheel and chain; Described handwheel is connected with described imput shaft, and described imput shaft is connected with described miniature gears, described miniature gears and the engagement of described big gear wheel, and described big gear wheel is connected with described chain-rolling axis, and described chain is connected with described chain-rolling axis; Be formed with the chain gear structure on the main body of described chain-rolling axis; Described chain gear structure cooperates with described chain, is used for making at rotation process the end tension of described chain, and the other end of described chain is loosened.
Aforesaid hand brake, wherein, described chain gear structure is a plurality of profiles of tooth that are formed on the described chain-rolling axis main body.
Aforesaid hand brake wherein, also comprises fixed sturcture, is used for fixing the other end of described chain.
Chain-rolling axis of the present invention and hand brake are by form the chain gear structure on chain-rolling axis, in rotation process, can make the end tension of chain, the other end of chain is loosened, and when having solved continuous rotation, chain constantly twines the problem that causes driving efficiency to reduce on chain-rolling axis.Therefore, adopt technical scheme of the present invention, can improve brake efficiency greatly; In addition, owing to adopted the chain gear structure, have the function of the correct trend of guiding chain, guide plate needn't be processed into specific arc, has reduced the manufacturing cost of guide plate, only for having reduced the cost of whole hand brake.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the existing fixedly structural representation of chain type hand brake;
Fig. 2 is the structural representation of existing FSW hand brake;
Fig. 3 is the big gear wheel of existing FSW hand brake and the structural representation of chain-rolling axis;
The structural representation of the chain-rolling axis that Fig. 4 provides for the embodiment of the invention one;
The big gear wheel of the hand brake that Fig. 5 provides for the embodiment of the invention two and the working state schematic representation of chain-rolling axis.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
The structural representation of the chain-rolling axis that Fig. 4 provides for the embodiment of the invention one.As shown in Figure 4, the chain-rolling axis of present embodiment comprises two ends 41 and main body 42 (position shown in frame of broken lines among Fig. 4).Wherein, be formed with chain gear structure 43 on the main body 42, this chain gear structure 43 cooperates with chain, is mainly used in the end tension that makes chain in transmission process, and the other end loosens, to avoid the winding of chain on main body 42.
The chain-rolling axis of present embodiment has solved the problem that chain twines owing to adopted the chain gear structure on main body, guarantee the transmission braking force to brake lever with the realization brake action in, improved brake efficiency.
Further, the chain gear structure 43 in the present embodiment can be a plurality of profiles of tooth on the main body 42 that is formed at chain-rolling axis, as shown in Figure 4.Wherein, the protrusion position of profile of tooth and chain fasten, with an end of tension chain.When chain-rolling axis rotated, next next link of protruding position and chain was interlocked, to continue an end of tension chain; And previous protrusion position be separated with the link of chain owing to be rotated, to discharge chain, even the other end of chain loosens; By above-mentioned operation, chain can not twine on the main body of chain-rolling axis, has avoided the reduction of the brake efficiency that causes because of winding.
Need explanation at this, the profile of tooth that present embodiment provides is the preferred implementation of chain gear structure, but be not limited to this, any and link chain adapt and the structure that can realize above-mentioned tension and loosen function all can be used for chain gear structure of the present invention.
Embodiment two
The big gear wheel of the hand brake that Fig. 5 provides for the embodiment of the invention two and the working state schematic representation of chain-rolling axis.The hand brake of present embodiment comprises: handwheel, imput shaft, miniature gears, chain-rolling axis, big gear wheel and chain; Wherein, handwheel is connected with imput shaft, and imput shaft is connected with miniature gears, miniature gears and big gear wheel engagement, and big gear wheel is connected with chain-rolling axis, and chain is connected with chain-rolling axis.Wherein, the integral structure of the hand brake of the present embodiment that is made of said structure can be referring to shown in Figure 2.The difference of the hand brake of present embodiment and existing FSW hand brake is: the chain-rolling axis of the hand brake of present embodiment comprises two ends and main body, is formed with the chain gear structure on its main body; Described chain gear structure cooperates with chain, is used for making at rotation process the end tension of chain, and the other end of chain is loosened.Wherein, being provided with the structure of the chain-rolling axis of chain gear structure can be referring to shown in Figure 4.
Wherein, the hand brake of present embodiment need be connected to an end of chain on the brake lever when work, and the other end can arbitrarily be fixed on vehicle or the hand brake, and and unlike must fixing by guide plate and locating dowel pin in the prior art, reduced requirement to guide plate.Then the principle of work of the hand brake of present embodiment is as follows: the operator rotates handwheel, and handwheel drives imput shaft and miniature gears rotates together; Therefore driven with the big gear wheel of pinion, and drive chain together by chain-rolling axis driving force is sent to brake lever, and then by foundation brake rigging brake shoe is strained wheel and produce friction and realize brake action.
Wherein, the state when Fig. 5 illustrates the chain-rolling axis scrolling chain of present embodiment wherein only illustrates the part chain.Wherein, the detailed operation process of chain-rolling axis shown in Figure 5 can be referring to the description among the above-mentioned chain-rolling axis embodiment.Owing to be formed with the chain transfer structure on the chain-rolling axis, an end of chain is tightened up, the other end is loosened simultaneously, and chain can not be wrapped on the main body of chain-rolling axis in rotation process, has guaranteed brake efficiency.Wherein, in the present embodiment, an end that is tightened up on the chain is meant an end that is connected to brake lever on the chain, and an end that is loosened is meant an end that is fixed on the chain on vehicle or the hand brake.Further, the chain gear structure of present embodiment also has the function of the correct trend of guiding chain, has reduced the requirement to the guide plate guiding function, has reduced and has made the cost of guide plate, and then reduced the manufacturing cost of whole hand brake.
Further, the chain gear structure in the technique scheme can be a plurality of profiles of tooth on the main body that is formed at chain-rolling axis, specifically can be referring to shown in Figure 4.Wherein, the protrusion position of profile of tooth and the link of chain fasten, with the tension chain.Tooth-shape structure is the preferred implementation of chain gear structure, and other any and links chain adapt, and the structure that can realize above-mentioned tension and loosen function all can be used for chain gear structure of the present invention.
Further, in the present embodiment, an end of chain need be fixed on the brake lever, and its other end can be selected to be fixed on any part of vehicle or hand brake.Present embodiment provide in addition a kind of hand brake its also comprise fixed sturcture, this fixed sturcture can be arranged at any position of hand brake, is mainly used in the fixedly other end of chain.By this fixed sturcture can be convenient fixing to chain, further improve the ease of use of the hand brake of present embodiment.
In sum, hand brake provided by the invention has solved the chain that produces in the chain-rolling axis rotation process on the one hand and has twined problem by form the chain gear structure on the main body of chain-rolling axis, has improved brake efficiency; On the other hand, because the guiding function of chain gear structure, make hand brake reduce requirement, reduced the cost of making guide plate, finally reduced the manufacturing cost of whole hand brake the guide plate guiding function.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. a chain-rolling axis is characterized in that, is formed with the chain gear structure on the main body of described chain-rolling axis; Described chain gear structure cooperates with chain, is used for making at rotation process the end tension of described chain, and the other end of described chain is loosened.
2. chain-rolling axis according to claim 1 is characterized in that, described chain gear structure is a plurality of profiles of tooth that are formed on the main body of described chain-rolling axis.
3. a hand brake comprises handwheel, imput shaft, miniature gears, chain-rolling axis, big gear wheel and chain; Described handwheel is connected with described imput shaft, and described imput shaft is connected with described miniature gears, described miniature gears and the engagement of described big gear wheel, and described big gear wheel is connected with described chain-rolling axis, and described chain is connected with described chain-rolling axis; It is characterized in that, be formed with the chain gear structure on the main body of described chain-rolling axis; Described chain gear structure cooperates with described chain, is used for making at rotation process the end tension of described chain, and the other end of described chain is loosened.
4. hand brake according to claim 3 is characterized in that, described chain gear structure is a plurality of profiles of tooth that are formed on the main body of described chain-rolling axis.
5. according to claim 3 or 4 described hand brakes, it is characterized in that, also comprise fixed sturcture, be used for fixing the other end of described chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105020963A CN101962026A (en) | 2010-09-30 | 2010-09-30 | Chain winding shaft and hand brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105020963A CN101962026A (en) | 2010-09-30 | 2010-09-30 | Chain winding shaft and hand brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101962026A true CN101962026A (en) | 2011-02-02 |
Family
ID=43515134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105020963A Pending CN101962026A (en) | 2010-09-30 | 2010-09-30 | Chain winding shaft and hand brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101962026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501881A (en) * | 2011-11-29 | 2012-06-20 | 太原轨道交通装备有限责任公司 | Manual braking pull rod device for driving pulleys of rail wagon |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1487531A (en) * | 1923-07-18 | 1924-03-18 | Nat Brake Company Inc | Car-brake-operating mechanism |
| US1832805A (en) * | 1928-03-05 | 1931-11-17 | Nat Brake Company Inc | Ratchet action for car brake-operating mechanism |
| US2000089A (en) * | 1933-04-03 | 1935-05-07 | Nat Brake Company Inc | Hand brake mechanism |
| US2299402A (en) * | 1941-07-25 | 1942-10-20 | Nat Brake Company Inc | Hand brake mechanism |
| US3376756A (en) * | 1964-04-13 | 1968-04-09 | Sanko Kiki Kabushiki Kaisha | Chain drive and housing arrangement |
| US3396603A (en) * | 1966-04-15 | 1968-08-13 | Unarco Industries | Hand power handbrake |
| US3602063A (en) * | 1969-11-06 | 1971-08-31 | Cleveland Hardware & Forging | Railway car handbrake mechanism with square chain-winding drum |
| US3923287A (en) * | 1974-11-06 | 1975-12-02 | Universal Railway Devices Comp | Hand brake for railroad cars |
| US4236424A (en) * | 1979-02-08 | 1980-12-02 | American Standard Inc. | Hand brake for railway vehicles |
| US4801288A (en) * | 1987-09-16 | 1989-01-31 | Sloan Valve Company | Railroad hand brake chain link stripper |
| CN201825055U (en) * | 2010-09-30 | 2011-05-11 | 齐齐哈尔轨道交通装备有限责任公司 | Chain shaft and hand brake |
-
2010
- 2010-09-30 CN CN2010105020963A patent/CN101962026A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1487531A (en) * | 1923-07-18 | 1924-03-18 | Nat Brake Company Inc | Car-brake-operating mechanism |
| US1832805A (en) * | 1928-03-05 | 1931-11-17 | Nat Brake Company Inc | Ratchet action for car brake-operating mechanism |
| US2000089A (en) * | 1933-04-03 | 1935-05-07 | Nat Brake Company Inc | Hand brake mechanism |
| US2299402A (en) * | 1941-07-25 | 1942-10-20 | Nat Brake Company Inc | Hand brake mechanism |
| US3376756A (en) * | 1964-04-13 | 1968-04-09 | Sanko Kiki Kabushiki Kaisha | Chain drive and housing arrangement |
| US3396603A (en) * | 1966-04-15 | 1968-08-13 | Unarco Industries | Hand power handbrake |
| US3602063A (en) * | 1969-11-06 | 1971-08-31 | Cleveland Hardware & Forging | Railway car handbrake mechanism with square chain-winding drum |
| US3923287A (en) * | 1974-11-06 | 1975-12-02 | Universal Railway Devices Comp | Hand brake for railroad cars |
| US4236424A (en) * | 1979-02-08 | 1980-12-02 | American Standard Inc. | Hand brake for railway vehicles |
| US4801288A (en) * | 1987-09-16 | 1989-01-31 | Sloan Valve Company | Railroad hand brake chain link stripper |
| CN201825055U (en) * | 2010-09-30 | 2011-05-11 | 齐齐哈尔轨道交通装备有限责任公司 | Chain shaft and hand brake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501881A (en) * | 2011-11-29 | 2012-06-20 | 太原轨道交通装备有限责任公司 | Manual braking pull rod device for driving pulleys of rail wagon |
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Application publication date: 20110202 |