CN212890351U - Hydraulic braking clamp mechanism for railway vehicle - Google Patents
Hydraulic braking clamp mechanism for railway vehicle Download PDFInfo
- Publication number
- CN212890351U CN212890351U CN202021442373.1U CN202021442373U CN212890351U CN 212890351 U CN212890351 U CN 212890351U CN 202021442373 U CN202021442373 U CN 202021442373U CN 212890351 U CN212890351 U CN 212890351U
- Authority
- CN
- China
- Prior art keywords
- pneumatic cylinder
- friction disc
- slide rail
- axle sleeve
- shaft 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.)
- Active
Links
Images
Abstract
The utility model discloses a hydraulic braking clamp mechanism for rail vehicle, including fixed block, extension piece and pneumatic cylinder, the reservation groove has all been seted up at fixed block bottom both ends and the reservation groove outside and has been installed through fastening bolt and extend the piece, it installs the pneumatic cylinder through fastening screw to extend piece bottom one side, the power take off end bottom of pneumatic cylinder is connected with first axle sleeve, it has fixed diaphragm through the mounting screw to extend inboard welding riser and riser bottom in the piece, it is equipped with the second axle sleeve to install second slide rail and second slide rail endotheca through the screw at fixed diaphragm top, second axle sleeve one side is connected with connecting rod and the connecting rod other end and is connected with the rotation of first axle sleeve through the pivot. The utility model discloses the pneumatic cylinder adopts the slope installation, and it is little to occupy the width, and the wear-resisting effect of friction disk is good, long service life, and the radiating effect is good during the braking, and the guide effect of pneumatic cylinder is good, is fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a braking clamp technical field, in particular to hydraulic braking clamp mechanism for rail vehicle.
Background
In a rail vehicle, a brake caliper structure is necessary in order to brake the rail vehicle.
Patent No. CN201510743233.5 discloses a rail vehicle brake clamp, which has a clamp housing, a lever body, a brake pad, a support pin, and an oil cylinder, wherein a cylinder body of the oil cylinder is integrally made of the clamp housing, the cylinder body has an adjusting shaft hole and an oil passage interface, a piston is sleeved on a return piston, the adjusting shaft passes through the adjusting shaft hole on an end face of the cylinder body and a piston hole on the return piston, one end of a guide rod is connected with the oil cylinder cover, and a relation between an effective area S1 of the return piston and an effective area S2 of the piston is S1= (1 ± 2%) S2. The invention has the advantages that: because the cylinder body of the oil cylinder of the brake clamp is integrally made of the clamp shell, and the internal structure of the oil cylinder is simple, the oil cylinder has compact structure, high reliability and small volume, the volume of the brake clamp is greatly reduced, the clamp can be conveniently arranged on a wheel pair, and because S1= (1 +/-2%) S2, the calculated amount of braking force is reduced, and potential safety hazards caused by misoperation are effectively avoided.
This mounting structure has the following disadvantages: 1. the hydraulic cylinder is installed straightly, so that the occupied width is large; 2. the wear-resisting effect is not good; 3. heat is easy to accumulate during braking, and the heat dissipation effect is poor; 4. the guiding effect of the hydraulic cylinder is poor. To this end, a rail vehicle brake caliper is proposed.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a hydraulic brake clamping mechanism for rail vehicles, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic brake clamp mechanism for a rail vehicle comprises a fixed block, an extension block and a hydraulic cylinder, wherein both ends of the bottom of the fixed block are provided with a reserved groove, the outer side of the reserved groove is provided with the extension block through a fastening bolt, one side of the bottom end of the extension block is provided with the hydraulic cylinder through a fastening bolt, the bottom of a power output end of the hydraulic cylinder is connected with a first shaft sleeve, the inner side of the extension block is welded with a vertical plate, the bottom of the vertical plate is provided with a fixed transverse plate through a bolt, the top of the fixed transverse plate is provided with a second slide rail through a bolt, a second shaft sleeve is sleeved in the second slide rail, one side of the second shaft sleeve is connected with a connecting rod through a rotating shaft, the other end of the connecting rod is rotatably connected with the first shaft sleeve, one side, the top of the synchronizing rod is welded with a sliding block, the sliding block is located in the first sliding rail, one side of the second shaft sleeve is connected with a friction disc through a push rod, one side of the friction disc is provided with an arc-shaped groove in a penetrating mode, the inner side of the arc-shaped groove is connected with a guide groove, and the outer surface of the friction disc is provided with a wear-resistant layer.
Furthermore, the number of the arc-shaped grooves and the guide grooves is specifically set to be multiple groups and is uniformly distributed on one side of the friction disc in a circumferential manner.
Furthermore, the wear-resistant layer is made of ceramic wear-resistant paint through spraying.
Furthermore, the outer surface of the fixed block is sprayed with an organic silicon corrosion-resistant coating.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through setting up fastening screw, extend the piece, first axle sleeve, the second axle sleeve, connecting rod and second slide rail, utilize fastening screw with pneumatic cylinder fixed mounting in extension piece bottom one side, pneumatic cylinder during operation power take off end drives first axle sleeve and removes, the connecting rod of connecting rotates between rethread first axle sleeve and the second axle sleeve, promote the second axle sleeve and carry out the horizontal slip in the second slide rail, thereby it is tight to promote the friction disc level inside clamp, press from both sides tight braking to the brake disc, because the pneumatic cylinder adopts the slope installation, consequently with compare in the past and reduced and occupy the width.
2. The wear-resistant layer arranged on the outer surface of the friction disc is made of ceramic wear-resistant paint in a spraying mode, so that the wear-resistant effect of the friction disc can be effectively improved, the wear speed of the friction disc is effectively delayed in the using process, and the service life of the friction disc is greatly prolonged.
3. Through setting up arc wall and guide slot, utilize arc wall and the guide slot that is circumference evenly distributed on one side of the friction disk, can promote friction disk and brake disc friction department and air area of contact, during friction disk and brake disc friction produced heat conveniently via guide slot and arc wall distribute the air fast to promote the radiating effect, prevent that the heat from piling up and causing harmful effects to the friction disk.
4. Through setting up synchronizing bar, slider, first slide rail and cylindricality piece, the synchronizing bar is connected at the power take off end top of pneumatic cylinder, and the slider at synchronizing bar top is located first slide rail to can utilize first slide rail to the spacing guide effect of slider, promote the guide effect of pneumatic cylinder greatly, make the work of pneumatic cylinder more stable.
Drawings
Fig. 1 is the overall structure schematic diagram of the hydraulic brake clamping mechanism for the railway vehicle.
Fig. 2 is a schematic view of a friction disc of a hydraulic brake clamping mechanism for a railway vehicle according to the present invention.
Fig. 3 is a schematic view of a slide rail of a hydraulic brake clamping mechanism for a rail vehicle according to the present invention.
In the figure: 1. a fixed block; 2. fastening a bolt; 3. an extension block; 4. fastening screws; 5. a hydraulic cylinder; 6. a first bushing; 7. a second shaft sleeve; 8. a connecting rod; 9. fixing the transverse plate; 10. a synchronization lever; 11. a first slide rail; 12. a slider; 13. a cylindrical block; 14. a push rod; 15. a friction disk; 16. an arc-shaped slot; 17. a second slide rail; 18. a wear layer; 19. a guide groove; 20. a riser.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a hydraulic brake clamp mechanism for a rail vehicle comprises a fixed block 1, an extension block 3 and a hydraulic cylinder 5, wherein both ends of the bottom of the fixed block 1 are provided with a reserved groove, the outer side of the reserved groove is provided with the extension block 3 through a fastening bolt 2, one side of the bottom end of the extension block 3 is provided with the hydraulic cylinder 5 through a fastening bolt 4, the bottom of the power output end of the hydraulic cylinder 5 is connected with a first shaft sleeve 6, the inner side of the extension block 3 is welded with a vertical plate 20, the bottom of the vertical plate 20 is provided with a fixed transverse plate 9 through a bolt, the top of the fixed transverse plate 9 is provided with a second slide rail 17 through a bolt, a second shaft sleeve 7 is sleeved in the second slide rail 17, one side of the second shaft sleeve 7 is connected with a connecting rod 8 through a rotating shaft, the welding of 13 bottoms of cylindric piece has first slide rail 11, the welding of the power take off end top of pneumatic cylinder 5 has synchronizing bar 10, the welding of synchronizing bar 10 top has slider 12 and slider 12 to be located first slide rail 11, second shaft sleeve 7 one side is connected with friction disc 15 through push rod 14, friction disc 15 one side is run through and is provided with arc wall 16, 16 inboard sides in arc wall are connected with guide slot 19, friction disc 15 surface is provided with wearing layer 18.
Wherein the number of the arc-shaped grooves 16 and the guide grooves 19 is specifically arranged in multiple groups and is uniformly distributed on the circumference of one side of the friction disc 15.
In this embodiment, as shown in fig. 2, the arc-shaped grooves 16 and the guide grooves 19 are uniformly distributed on one side of the friction disc 15, so that the contact area between the friction part of the friction disc 15 and the brake disc and the air can be increased, and heat generated during friction between the friction disc 15 and the brake disc can be conveniently and rapidly dissipated to the air through the guide grooves 19 and the arc-shaped grooves 16, thereby increasing the heat dissipation effect and preventing heat accumulation from causing adverse effects on the friction disc 15.
Wherein, the wear-resistant layer 18 is made of ceramic wear-resistant paint by spraying.
In this embodiment, as shown in fig. 2, the wear-resistant layer 18 on the outer surface of the friction disc 15 is made of ceramic wear-resistant paint by spraying, so that the wear-resistant effect of the friction disc 15 can be effectively improved, the wear speed of the friction disc 15 can be effectively delayed in the use process, and the service life of the friction disc 15 can be greatly prolonged.
Wherein, the outer surface of the fixed block 1 is sprayed with an organic silicon corrosion-resistant coating.
In this embodiment, as shown in fig. 1, the corrosion-resistant effect of the fixing block 1 can be improved by the organic silicon corrosion-resistant coating, which is beneficial to prolonging the service life of the clamp structure main body.
It should be noted that the utility model relates to a hydraulic braking clamp mechanism for rail vehicle, in operation, utilize fastening screw 4 with pneumatic cylinder 5 fixed mounting in extension piece 3 bottom one side, pneumatic cylinder 5 power take off end drives first axle sleeve 6 and removes in operation, rethread first axle sleeve 6 and second axle sleeve 7 between the connecting rod 8 of rotating the connection, promote second axle sleeve 7 and carry out horizontal slip in second slide rail 17, thereby promote friction disc 15 level and inwards press from both sides tightly, press from both sides tight braking to the brake disc, because pneumatic cylinder 5 adopts the slope installation, consequently compare in the past and reduced occupation width, utilize wearing layer 18 of friction disc 15 surface to carry out the spraying for ceramic wear-resisting coating (Guangzhou also receives new materials science and technology Limited company production, GN-704 BW), can effectively promote the wear-resisting effect of friction disc 15, thereby effectively delay the rate of wear of friction disc 15 in the use, and then promote friction disk 15's life greatly, utilize arc wall 16 and guide slot 19 that is circumference evenly distributed in friction disk 15 one side, can promote friction disk 15 and brake disc friction department and air area of contact, it is convenient during the air of giving off fast via guide slot 19 and arc wall 16 to produce the heat during friction disk 15 and brake disc friction, thereby promote the radiating effect, prevent that the heat from piling up and causing harmful effects to friction disk 15, synchronizing bar 10 is connected at the power take off top of pneumatic cylinder 5, the slider 12 at synchronizing bar 10 top is located first slide rail 11, thereby can utilize first slide rail 11 to the spacing guide effect of slider 12, promote the guide effect of pneumatic cylinder 5 greatly, make the work of pneumatic cylinder 5 more stable.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a hydraulic braking clamp mechanism for rail vehicle, includes fixed block (1), extension piece (3) and pneumatic cylinder (5), its characterized in that: the device is characterized in that both ends of the bottom of the fixed block (1) are provided with a reserved groove, an extension block (3) is installed on the outer side of the reserved groove through a fastening bolt (2), a hydraulic cylinder (5) is installed on one side of the bottom end of the extension block (3) through a fastening screw (4), a first shaft sleeve (6) is connected to the bottom of a power output end of the hydraulic cylinder (5), a vertical plate (20) is welded on the inner side of the extension block (3), a fixed transverse plate (9) is installed on the bottom of the vertical plate (20) through a screw, a second sliding rail (17) is installed on the top of the fixed transverse plate (9) through a screw, a second shaft sleeve (7) is sleeved in the second sliding rail (17), one side of the second shaft sleeve (7) is connected with a connecting rod (8) through a rotating shaft, the other end of the connecting rod, the welding of cylindrical block (13) bottom has first slide rail (11), the welding of the power take off top of pneumatic cylinder (5) has synchronizing bar (10), the welding of synchronizing bar (10) top has slider (12) and slider (12) to be located first slide rail (11), second shaft sleeve (7) one side is connected with friction disc (15) through push rod (14), friction disc (15) one side is run through and is provided with arc wall (16), arc wall (16) inboard is connected with guide slot (19), friction disc (15) surface is provided with wearing layer (18).
2. A hydraulic brake calliper mechanism for a railway vehicle according to claim 1, characterised in that: the number of the arc-shaped grooves (16) and the number of the guide grooves (19) are specifically set into multiple groups and are uniformly distributed on one side of the friction disc (15) in a circumferential manner.
3. A hydraulic brake calliper mechanism for a railway vehicle according to claim 1, characterised in that: the wear-resistant layer (18) is made by spraying ceramic wear-resistant paint.
4. A hydraulic brake calliper mechanism for a railway vehicle according to claim 1, characterised in that: and the outer surface of the fixed block (1) is sprayed with an organic silicon corrosion-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442373.1U CN212890351U (en) | 2020-07-21 | 2020-07-21 | Hydraulic braking clamp mechanism for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442373.1U CN212890351U (en) | 2020-07-21 | 2020-07-21 | Hydraulic braking clamp mechanism for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212890351U true CN212890351U (en) | 2021-04-06 |
Family
ID=75289652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021442373.1U Active CN212890351U (en) | 2020-07-21 | 2020-07-21 | Hydraulic braking clamp mechanism for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212890351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263950A (en) * | 2022-09-26 | 2022-11-01 | 莱州伟辰汽车配件有限公司 | Automobile brake disc convenient to replace |
-
2020
- 2020-07-21 CN CN202021442373.1U patent/CN212890351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263950A (en) * | 2022-09-26 | 2022-11-01 | 莱州伟辰汽车配件有限公司 | Automobile brake disc convenient to replace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212890351U (en) | Hydraulic braking clamp mechanism for railway vehicle | |
| CN112696441A (en) | Brake disc with good braking effect | |
| CN106321690A (en) | Aluminum-alloy wedge-type brake assembly | |
| CN201779180U (en) | Floating drum type brake assembly | |
| CN203516530U (en) | Wedge block type brake for vehicle | |
| JPH0312975Y2 (en) | ||
| CN206617474U (en) | A kind of self-boosting type drum brake with clearance self-regulating mechanism device | |
| FI63191B (en) | BROMS FOR FORDON | |
| CN209196011U (en) | A kind of motorcycle brake hoof being conveniently replaceable friction plate | |
| CN215521743U (en) | Friction-resistant brake plate for axle | |
| CN217081214U (en) | Piston support of disc brake | |
| CN219176823U (en) | Brake caliper of hydraulic disc brake | |
| CN207687225U (en) | A kind of automotive brake pads clamping and positioning device | |
| CN218718341U (en) | Integrated wear-resistant motor vehicle brake caliper | |
| CN219865983U (en) | Fork truck stopper of easy to assemble | |
| CN217207433U (en) | Wear-resistant and high-temperature-resistant disc brake | |
| CN217002800U (en) | Wheel emergency brake structure of railway locomotive | |
| CN219792321U (en) | Brake for winch | |
| CN211342321U (en) | Anti-drop pulley structure | |
| CN210686767U (en) | Floating caliper disc brake with active return function | |
| CN209067665U (en) | A kind of band is used for the connection steel bushing of ABS bearing | |
| CN209743434U (en) | Brake device for storage battery car | |
| CN211852578U (en) | Automobile brake gear structure | |
| CN215621918U (en) | Heat dissipation type car brake disc | |
| CN214698895U (en) | Automobile brake disc with good antirust performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |