CN104405799A - Clamp braking mechanism - Google Patents
Clamp braking mechanism Download PDFInfo
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- CN104405799A CN104405799A CN201410656098.6A CN201410656098A CN104405799A CN 104405799 A CN104405799 A CN 104405799A CN 201410656098 A CN201410656098 A CN 201410656098A CN 104405799 A CN104405799 A CN 104405799A
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Abstract
The invention discloses a clamp braking mechanism. The clamp braking mechanism comprises a brake cylinder, a left clamp assembly and a right clamp assembly, wherein the front end parts of the left and right clamp assemblies are provided with left and right brakes respectively; a piston assembly of the brake cylinder is hinged to one end of a rocker arm; the other end of the rocker arm is fixedly connected with an eccentric shaft arranged on a mounting base; a small driving shaft on the eccentric shaft is hinged to the middle part of the right clamp assembly; during braking of a vehicle, the piston assembly is used for driving the rocker arm to rotate; the eccentric shaft rotates synchronously along with the rocker arm; the small driving shaft on the eccentric shaft is used for driving the right clamp assembly to move towards the left clamp assembly in order to clamp a brake disc. During braking of a railway truck, pressure air is pumped into the brake cylinder to drive the clamp assemblies to act, so that the brake disc is clamped by the brakes, and the railway truck decelerates or stops advancing. Moreover, the clamp braking mechanism is of an integral structure before installation of a steering frame of the railway truck, so that convenience and rapidness in installation are realized.
Description
Technical field
The invention belongs to rolling stock technology field, particularly a kind of jaw actuator mechanism.
Background technique
At present, in rail freight braking system, brake rigging is all independently parts, installs inconvenience, and complicated integral structure.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, provide one highly integrated, easy for installation, jaw actuator mechanism simple and compact for structure.
Technological scheme of the present invention is achieved in that a kind of jaw actuator mechanism, it is characterized in that: comprise master cylinder and a left side, right clamp composition, on a described left side, right clamp composition fore-end is not provided with a left side, right brake pad forms, the piston composition of described master cylinder is hinged with one end of pivoted arm, the other end of described pivoted arm is fixedly connected with the eccentric shaft be arranged on fitting seat, the middle part that the little axle of driving on described eccentric shaft and right clamp form is hinged, when car brakeing, described piston composition drives pivoted arm to rotate, described eccentric shaft is with pivoted arm synchronous axial system, clamp composition is mobile to drive right clamp to form left by the little axle of the driving on eccentric shaft, brake disc is clamped.
Jaw actuator mechanism of the present invention, master cylinder described in it comprises cylinder body and is arranged on the piston composition in cylinder body, release spring and lamina membranacea, described lamina membranacea will be divided into relatively independent two-part in cylinder body, described lamina membranacea side and cylinder body form air-inlet cavity, described air-inlet cavity is communicated with the master cylinder air inlet base that cylinder body is arranged, described piston composition and release spring are arranged in the cavity that lamina membranacea opposite side and cylinder body formed, when car brakeing, the pressure air be filled with by Operating valve enters in cylinder body through master cylinder air inlet base, lamina membranacea is under pressure air effect, promote piston composition to move forward, release spring is compressed simultaneously.
Jaw actuator mechanism of the present invention, it is provided with mounting plate on described fitting seat, and described jaw actuator mechanism is an overall structure before installing with configuration in railroad truck, under described mounting plate is fixed on the bogie of rail truck by screw rod.
Jaw actuator mechanism of the present invention, left and right clamp composition rear end part described in it not and lock adjust device two ends hinged, described pivoted arm lower end is provided with block, described block forms with sensor and coordinates, described sensor composition adjusts device corresponding matching by graduating stem and lock, when after the abrasion of brake lining composition, the gap of brake disc and brake lining composition increases, by the movement of graduating stem, make described lock adjust device action, reduce the gap between brake disc and brake lining composition.
Jaw actuator mechanism of the present invention, sensor composition described in it comprises connecting rod, fixed base, guide pillar and adjustment spring, described fixed base and guide pillar are fixed on fitting seat, the block corresponding matching of described connecting rod one end and pivoted arm lower end, its the other end and fixed base hinged, hinged with the slide block be slidably connected on guide pillar in the middle part of described connecting rod, described slide block and graduating stem one end hinged, described adjustment spring housing is connected on guide pillar, described adjustment spring one end is resisted against slide block end face, and its other end is resisted against on fixed base.
Jaw actuator mechanism of the present invention, lock described in it adjusts device to comprise right body composition, left body composition, adjusting nut and screw rod composition, described right clamp composition rearward end and right body form hinged, described left clamp composition forms hinged with left body, described adjusting nut to be arranged in right body composition and to form with screw rod and be threaded, on described adjusting nut, holddown spring is socketed with between adjusting nut and right body form, described screw rod composition lower end is placed in left body composition, described screw rod composition lower end edge is formed radially driving lug boss, described driving lug boss side and the graduating stem the other end against, its the other end be arranged on left body form in cone spring against, described screw rod composition is connected with unilateral bearing, described screw rod composition end is connected with rollback nut.
Jaw actuator mechanism of the present invention, it is provided with guide sleeve at described left body composition end face, described guide sleeve is enclosed within adjusting nut bottom, scalable dust-proof cover is provided with between described right body composition and left body form, described scalable dust-proof cover one end forms with right body and is connected, and its other end is connected with guide sleeve.
The present invention can when rail freight be braked, by to master cylinder charged pressure air, promote the action of clamp composition, thus make brake lining clamp brake disc, realize the deceleration of rail freight or halt, and the present invention is an overall structure before installing with railway freight car bogie, quick and easy for installation, when the gap of brake disc and brake lining increases after brake lining abrasion, also adjust device to carry out self-adaptative adjustment by lock, make the gap between brake disc and brake lining arrive the normal requirement of design.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that of the present invention erecting cuts open schematic diagram.
Fig. 3 is cross-sectional schematic diagram of the present invention.
Fig. 4 is the partial enlarged drawing that in the present invention, device adjusted by lock.
Mark in figure: 1 is master cylinder, 2 is left clamp composition, 3 is right clamp composition, 4 is left brake pad composition, 5 is right brake pad composition, 6 is piston composition, 7 is pivoted arm, 8 is eccentric shaft, 9 for driving little axle, 10 is cylinder body, 11 is release spring, 12 is lamina membranacea, 13 is master cylinder air inlet base, 14 is lock tune device, 15 is block, 16 is graduating stem, 17 is connecting rod, 18 is fixed base, 19 is guide pillar, 20 is adjustment spring, 21 is fitting seat, 22 is slide block, 23 is right body composition, 24 is left body composition, 25 is adjusting nut, 26 is screw rod composition, 27 is holddown spring, 28 for driving lug boss, 29 is cone spring, 30 is unilateral bearing, 31 is rollback nut, 32 is guide sleeve, 33 is scalable dust-proof cover, 34 is mounting plate.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1, shown in 2 and 3, a kind of jaw actuator mechanism, comprise master cylinder 1 and left clamp composition 2 and right clamp and form 3, on a described left side, right clamp composition fore-end is not provided with left brake pad composition 4 and right brake pad composition 5, a described left side, right clamp composition rear end part not and lock adjust device 14 two ends hinged, the piston composition 6 of described master cylinder 1 is hinged with one end of pivoted arm 7, the other end of described pivoted arm 7 is fixedly connected with the eccentric shaft 8 be arranged on fitting seat 21, the middle part that the little axle of driving 9 on described eccentric shaft 8 and right clamp form 3 is hinged, described master cylinder 1 comprises cylinder body 10 and is arranged on the piston composition 6 in cylinder body 10, release spring 11 and lamina membranacea 12, described lamina membranacea 12 is divided into relatively independent two-part by cylinder body 10, described lamina membranacea 12 side and cylinder body 10 form air-inlet cavity, described air-inlet cavity is communicated with the master cylinder air inlet base 13 that cylinder body 10 is arranged, described piston composition 6 and release spring 11 are arranged in the cavity that lamina membranacea 12 opposite side and cylinder body 10 formed, when car brakeing, the pressure air be filled with by Operating valve enters in cylinder body 10 through master cylinder air inlet base 13, lamina membranacea 12 is under pressure air effect, promote piston composition 6 to move forward, release spring 11 is compressed simultaneously, described piston composition 6 drives pivoted arm 7 to rotate, described eccentric shaft 8 is with pivoted arm 7 synchronous axial system, by the little axle of the driving on eccentric shaft 89 drive right clamp form 3 left clamp composition 2 to move, brake disc is clamped, realize the deceleration of rail freight or halt.
Wherein, described fitting seat 21 is provided with mounting plate 34, described jaw actuator mechanism is an overall structure before installing with configuration in railroad truck, described mounting plate 34 is fixed on the bogie of rail truck by screw rod under.
As shown in Figure 3, described pivoted arm 7 lower end is provided with block 15, described block 15 forms with sensor and coordinates, described sensor composition adjusts device 14 corresponding matching by graduating stem 16 and lock, when after the abrasion of brake lining composition, the gap of brake disc and brake lining composition increases, by the movement of graduating stem 16, make described lock adjust device 14 action, reduce the gap between brake disc and brake lining composition; Described sensor composition comprises connecting rod 17, fixed base 18, guide pillar 19 and adjustment spring 20, described fixed base 18 and guide pillar 19 are fixed on fitting seat 21, block 15 corresponding matching of described connecting rod 17 one end and pivoted arm 7 lower end, its the other end and fixed base 18 hinged, hinged with the slide block 22 be slidably connected on guide pillar 19 in the middle part of described connecting rod 17, described slide block 22 is hinged with graduating stem 16 one end, described adjustment spring 20 is socketed on guide pillar 19, described adjustment spring 20 one end is resisted against slide block 22 end face, and its other end is resisted against on fixed base 18.
As shown in Figure 4, described lock adjusts device 14 to comprise right body composition 23, left body composition 24, adjusting nut 25 and screw rod composition 26, described right clamp forms 3 rearward end and right body and forms 23 hinged, described left clamp composition 2 and left body form 24 hinged, described adjusting nut 25 to be arranged in right body composition 23 and to form 26 with screw rod and be threaded, on described adjusting nut 25, adjusting nut 25 and right body are socketed with holddown spring 27 between forming 23, described screw rod forms 26 lower ends and is placed in left body composition 24, described screw rod forms 26 lower end edges and is formed radially driving lug boss 28, described driving lug boss 28 side and graduating stem 16 the other end against, its the other end be arranged on left body form cone spring 29 in 24 against, described screw rod composition 26 is connected with unilateral bearing 30, described screw rod forms 26 ends and is connected with rollback nut 31.
Wherein, form 24 end faces at described left body and be provided with guide sleeve 32, described guide sleeve 32 is enclosed within adjusting nut 25 bottom, scalable dust-proof cover 33 is provided with between described right body composition 23 and left body form 24, described scalable dust-proof cover 33 one end forms 23 with right body and is connected, and its other end is connected with guide sleeve 32.
Working principle of the present invention: when car brakeing, master cylinder action, eccentric shaft turns is driven by pivoted arm, thus utilize the rotation of eccentric shaft, right clamp is formed left, and clamp composition is mobile, is clamped by brake disc, if now brake disc and brake lining form between gap normal, then the block of pivoted arm lower end can not contact with the interlinking lever end that sensor forms, and lock adjusts device to be failure to actuate.
If brake lining because of wearing and tearing cause brake disc and brake lining form between gap increase time, the interlinking lever end that block and the sensor of pivoted arm lower end form contacts and promotes it and rotates, the rotation of connecting rod is then with movable slider along guide pillar forward slip and compression adjustment spring, graduating stem then synchronously moves forward with slide block, simultaneously, graduating stem right-hand member against screw rod composition lower end driving lug boss state of equilibrium be broken, drive lug boss to drive screw rod to form under the effect of cone spring to rotate, rotate until the block of pivoted arm lower end no longer promotes interlinking lever end, the rotation of screw rod composition then drives adjusting nut to move along its axis relative to screw rod composition, it is mobile that adjusting nut drives left body to form simultaneously, like this, make a left side, the front end of right clamp composition clamps to brake disc simultaneously further, thus the gap reduced between brake disc and brake lining, the gap between brake disc and brake lining is made to reach the normal requirement of Brake Design.Now, graduating stem right-hand member is resisted against driving lug boss again, and is connected with unilateral bearing because screw rod forms, therefore screw rod composition cannot turn round again, now connecting rod is stabilized in the position after rotation, and to ensure in upper once braking process, right clamp composition turns to the position meeting brake request.
When brake disc and brake lining gap increase again, lock tune device again action reduces the gap between brake disc and brake lining; After brake lining composition is changed, make screw rod form revolution by rollback nut, make adjusting nut be returned to original state.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a jaw actuator mechanism, it is characterized in that: comprise master cylinder (1) and a left side, right clamp composition (2, 3), on a described left side, right clamp composition (2, 3) front end is respectively arranged with a left side, right brake pad composition (4, 5), piston composition (6) of described master cylinder (1) is hinged with one end of pivoted arm (7), the other end of described pivoted arm (7) is fixedly connected with the eccentric shaft (8) be arranged on fitting seat (21), the middle part that the little axle of driving (9) on described eccentric shaft (8) and right clamp form (3) is hinged, when car brakeing, described piston composition (6) drives pivoted arm (7) to rotate, described eccentric shaft (8) is with pivoted arm (7) synchronous axial system, clamp composition (2) is mobile left to drive right clamp to form (3) by the little axle of driving (9) on eccentric shaft (8), brake disc is clamped.
2. jaw actuator mechanism according to claim 1, it is characterized in that: described master cylinder (1) comprises cylinder body (10) and is arranged on piston composition (6) in cylinder body (10), release spring (11) and lamina membranacea (12), described lamina membranacea (12) is divided into relatively independent two-part by cylinder body (10), described lamina membranacea (12) side and cylinder body (10) form air-inlet cavity, described air-inlet cavity is communicated with the upper master cylinder air inlet base (13) arranged of cylinder body (10), described piston composition (6) and release spring (11) are arranged in the cavity that lamina membranacea (12) opposite side and cylinder body (10) formed, when car brakeing, the pressure air be filled with by Operating valve enters in cylinder body (10) through master cylinder air inlet base (13), lamina membranacea (12) is under pressure air effect, promote piston composition (6) to move forward, release spring (11) is compressed simultaneously.
3. jaw actuator mechanism according to claim 1, it is characterized in that: on described fitting seat (21), be provided with mounting plate (34), described jaw actuator mechanism is an overall structure before installing with configuration in railroad truck, described mounting plate (34) is fixed on the bogie of rail truck by screw rod under.
4. according to claim 1, jaw actuator mechanism described in 2 or 3, it is characterized in that: a described left side, right clamp composition (2, 3) rearward end adjusts device (14) two ends hinged respectively with lock, described pivoted arm (7) lower end is provided with block (15), described block (15) forms with sensor and coordinates, described sensor composition adjusts device (14) corresponding matching by graduating stem (16) and lock, when after the abrasion of brake lining composition, the gap of brake disc and brake lining composition increases, by the movement of graduating stem (16), described lock is made to adjust device (14) action, reduce the gap between brake disc and brake lining composition.
5. jaw actuator mechanism according to claim 4, it is characterized in that: described sensor composition comprises connecting rod (17), fixed base (18), guide pillar (19) and adjustment spring (20), described fixed base (18) and guide pillar (19) are fixed on fitting seat (21), block (15) corresponding matching of described connecting rod (17) one end and pivoted arm (7) lower end, its the other end and fixed base (18) hinged, described connecting rod (17) middle part is hinged with the slide block (22) be slidably connected on guide pillar (19), described slide block (22) is hinged with graduating stem (16) one end, described adjustment spring (20) is socketed on guide pillar (19), described adjustment spring (20) one end is resisted against slide block (22) end face, its the other end is resisted against on fixed base (18).
6. jaw actuator mechanism according to claim 5, it is characterized in that: described lock adjusts device (14) to comprise right body composition (23), left body composition (24), adjusting nut (25) and screw rod composition (26), it is hinged that described right clamp composition (3) rearward end and right body form (23), it is hinged that described left clamp composition (2) and left body form (24), described adjusting nut (25) to be arranged in right body composition (23) and to form (26) with screw rod and be threaded, on described adjusting nut (25), adjusting nut (25) and right body form between (23) and are socketed with holddown spring (27), described screw rod composition (26) lower end is placed in left body composition (24), described screw rod composition (26) lower end edge is formed radially and drives lug boss (28), described driving lug boss (28) side and graduating stem (16) the other end against, its the other end be arranged on left body form cone spring (29) in (24) against, described screw rod composition (26) is connected with unilateral bearing (30), described screw rod composition (26) end is connected with rollback nut (31).
7. jaw actuator mechanism according to claim 6, it is characterized in that: described left body composition (24) end face is provided with guide sleeve (32), described guide sleeve (32) is enclosed within adjusting nut (25) bottom, form between (24) described right body composition (23) and left body and be provided with scalable dust-proof cover (33), described scalable dust-proof cover (33) one end forms (23) and is connected with right body, its other end is connected with guide sleeve (32).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199468.2A CN104879405A (en) | 2014-11-18 | 2014-11-18 | Brake adjuster |
| CN201410656098.6A CN104405799B (en) | 2014-11-18 | 2014-11-18 | Clamp braking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410656098.6A CN104405799B (en) | 2014-11-18 | 2014-11-18 | Clamp braking mechanism |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199468.2A Division CN104879405A (en) | 2014-11-18 | 2014-11-18 | Brake adjuster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405799A true CN104405799A (en) | 2015-03-11 |
| CN104405799B CN104405799B (en) | 2017-01-11 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199468.2A Pending CN104879405A (en) | 2014-11-18 | 2014-11-18 | Brake adjuster |
| CN201410656098.6A Active CN104405799B (en) | 2014-11-18 | 2014-11-18 | Clamp braking mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199468.2A Pending CN104879405A (en) | 2014-11-18 | 2014-11-18 | Brake adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104879405A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880893A (en) * | 2016-05-31 | 2016-08-24 | 俞升洋 | Welding device |
| CN110410074A (en) * | 2019-08-19 | 2019-11-05 | 天地科技股份有限公司上海分公司 | Cohesion device and development machine telescoping mechanism |
| CN110966328A (en) * | 2020-01-02 | 2020-04-07 | 中车青岛四方车辆研究所有限公司 | Real-time state monitoring device of brake clamp unit, brake clamp unit and method |
| CN112299277A (en) * | 2020-10-21 | 2021-02-02 | 重庆市宇红轨道车辆配件有限公司 | Brake shoe for alpine altitude area |
| CN111059176B (en) * | 2019-11-19 | 2021-06-04 | 中车株洲电力机车有限公司 | Brake lining support device with deflection prevention function |
| CN110410074B (en) * | 2019-08-19 | 2024-05-03 | 天地科技股份有限公司上海分公司 | Enclasping device and heading machine telescopic mechanism |
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| WO2011095424A2 (en) * | 2010-02-02 | 2011-08-11 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Plunger rod adjuster for compact brake caliper units, having an adjusting lever that abuts on an elastic stop |
| WO2011095423A1 (en) * | 2010-02-02 | 2011-08-11 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Plunger rod adjuster for compact brake caliper units, having a screw connection element supported directly on the adjuster housing |
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- 2014-11-18 CN CN201410656098.6A patent/CN104405799B/en active Active
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| JP2009127737A (en) * | 2007-11-22 | 2009-06-11 | Hitachi Ltd | Electric disc brake |
| CN103032498A (en) * | 2011-09-28 | 2013-04-10 | 日立汽车系统株式会社 | Disk brake apparatus |
| CN103958916A (en) * | 2011-11-25 | 2014-07-30 | 纳博特斯克有限公司 | Brake cylinder device and disk brake device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880893A (en) * | 2016-05-31 | 2016-08-24 | 俞升洋 | Welding device |
| CN110410074A (en) * | 2019-08-19 | 2019-11-05 | 天地科技股份有限公司上海分公司 | Cohesion device and development machine telescoping mechanism |
| CN110410074B (en) * | 2019-08-19 | 2024-05-03 | 天地科技股份有限公司上海分公司 | Enclasping device and heading machine telescopic mechanism |
| CN111059176B (en) * | 2019-11-19 | 2021-06-04 | 中车株洲电力机车有限公司 | Brake lining support device with deflection prevention function |
| CN110966328A (en) * | 2020-01-02 | 2020-04-07 | 中车青岛四方车辆研究所有限公司 | Real-time state monitoring device of brake clamp unit, brake clamp unit and method |
| CN112299277A (en) * | 2020-10-21 | 2021-02-02 | 重庆市宇红轨道车辆配件有限公司 | Brake shoe for alpine altitude area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104405799B (en) | 2017-01-11 |
| CN104879405A (en) | 2015-09-02 |
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Address after: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant after: Meisha Zhongke Brake Technology Co., Ltd. Address before: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant before: Sichuan Brake Science and Technology Co. Ltd. |
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