CN109080660B - passive hydraulic clamp and manual relieving mechanism thereof - Google Patents
passive hydraulic clamp and manual relieving mechanism thereof Download PDFInfo
- Publication number
- CN109080660B CN109080660B CN201810908953.6A CN201810908953A CN109080660B CN 109080660 B CN109080660 B CN 109080660B CN 201810908953 A CN201810908953 A CN 201810908953A CN 109080660 B CN109080660 B CN 109080660B
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- hydraulic clamp
- pin
- sleeve
- passive hydraulic
- transmission device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/02—Hand or other personal actuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
Abstract
the invention discloses a manual relieving mechanism of a passive hydraulic clamp, which consists of a connecting pin assembly and a mounting box assembly. The connecting pin assembly comprises a ratchet pin for connecting a ratchet disc in the passive hydraulic clamp oil cylinder and a first transmission device connected with the ratchet pin; the mounting box assembly comprises a pull rope and a second transmission device connected with the pull rope and the first transmission device. When the parking braking force of the hydraulic clamp is manually relieved, the pulling pull rope can sequentially drive the second transmission device and the first transmission device to move, and then the ratchet pin is driven to be separated from the ratchet disc in the oil cylinder, so that the parking braking force is relieved. The manual release mechanism of the passive hydraulic clamp is simple and convenient to mount, replace and dismount, and can complete release of parking brake force of the whole vehicle on one side of the vehicle body, so that field operation is more convenient and safer. The invention also discloses a passive hydraulic clamp comprising the manual relieving mechanism.
Description
Technical Field
The invention relates to the field of rail trains, in particular to a manual release mechanism of a passive hydraulic clamp of a rail train. Furthermore, the invention also relates to a passive hydraulic clamp comprising the manual release mechanism.
Background
The manual release mechanism of the rail train is one of the components of the unit brake device with parking, and the manual release mechanism has the function of thoroughly releasing the spring parking brake force generated by the parking brake device. For hydraulic brake units used in railway systems, a manual release mechanism is also required to release the parking brake force generated by the disc spring in the cylinder. However, the mounting interface of the conventional passive hydraulic clamp has a great difference from that of the conventional passive hydraulic clamp due to the fact that the conventional manual release mechanism widely applied to the railway system is designed. Meanwhile, the traditional hand relieving mechanism needs to be operated on two sides of the vehicle body in the relieving process, and the relieving of the parking braking force of the whole vehicle cannot be completed on one side of the vehicle body, so that the working efficiency of field operation is reduced, and the inconvenience is brought to the field operation.
Therefore, how to provide a manual passive hydraulic clamp release mechanism which can relieve the parking braking force of the whole vehicle on one side of the vehicle body and enables the operation to be more convenient and safer is a technical problem to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a manual releasing mechanism of a passive hydraulic clamp of a rail train, which can release the parking braking force of the whole train on one side of the train body, improve the working efficiency of field operation and ensure that the operation is more convenient and safer. It is another object of the present invention to provide a passive hydraulic clamp including the above manual mitigation mechanism.
In order to solve the technical problem, the invention provides a manual release mechanism for a passive hydraulic clamp of a rail train, which comprises a connecting pin assembly and a mounting box assembly, wherein the connecting pin assembly comprises a ratchet pin and a first transmission device, the ratchet pin is used for connecting a ratchet disc in an oil cylinder of the passive hydraulic clamp, the first transmission device is connected with the ratchet pin, the mounting box assembly comprises a pull rope and a second transmission device, the second transmission device and the first transmission device are connected with the pull rope and the first transmission device, and the pull rope can be pulled to sequentially drive the second transmission device and the first transmission device to move so as to drive the ratchet pin to be separated from the ratchet disc in the oil cylinder.
Preferably, first transmission is including alleviating round pin, sphere sleeve, sphere bolt and connecting sleeve, the terminal fixed connection who alleviates the round pin the telescopic head end of sphere, the telescopic end of sphere is equipped with first interior sphere, the head end of sphere bolt be provided with first interior sphere complex first outer sphere, first outer sphere install in first interior sphere and both can freely rotate relatively, the terminal fixed connection of sphere bolt the ratchet pin, the connecting sleeve suit in sphere sleeve with outside the ratchet pin, and the restriction the motion of ratchet pin is so that the ratchet pin can only axial motion, the end of connecting sleeve is used for connecting the hydro-cylinder of passive hydraulic pressure clamp.
preferably, a second inner spherical surface is arranged in the connecting sleeve, a second outer spherical surface matched with the second inner spherical surface is arranged at the tail end of the spherical sleeve, the second outer spherical surface is arranged in the second inner spherical surface, and the second outer spherical surface and the second inner spherical surface can rotate freely relatively.
preferably, a disc spring is arranged inside the end of the connecting sleeve.
preferably, the second transmission device comprises a pressing sleeve, a fork-shaped sleeve, a rope seat and a driving block, the pull rope sequentially penetrates through the pressing sleeve and the fork-shaped sleeve and is fixedly connected with the rope seat, the rope seat is fixedly connected with the driving block, the pull rope can pull the driving block to move along the extending direction of the pressing sleeve, the driving block abuts against the head end of the release pin, and the moving direction of the driving block is perpendicular to the axial direction of the release pin.
Preferably, the mounting box assembly further comprises a box body and a cover body which are connected with each other, the second transmission device is mounted in the box body, and a sliding groove used for the head end of the release pin to enter is formed in the cover body.
Preferably, the fork-shaped sleeve is sleeved with a return spring on the periphery.
Preferably, the box body is provided with an elastic cylindrical pin.
preferably, the pull rope comprises two pull ropes connected with the second transmission device.
The invention also provides a passive hydraulic clamp which comprises an oil cylinder, a clamp and a manual relieving mechanism arranged on the oil cylinder, wherein the manual relieving mechanism of the passive hydraulic clamp is specifically any one of the manual relieving mechanisms of the passive hydraulic clamp.
the invention provides a manual release mechanism for a passive hydraulic clamp of a rail train, which comprises a connecting pin assembly and a mounting box assembly, wherein the connecting pin assembly comprises a ratchet wheel pin used for connecting a ratchet wheel disc in an oil cylinder of the passive hydraulic clamp and a first transmission device connected with the ratchet wheel pin, the mounting box assembly comprises a pull rope and a second transmission device connected with the pull rope and the first transmission device, and the pull rope can sequentially drive the second transmission device and the first transmission device to move so as to drive the ratchet wheel pin to be separated from the ratchet wheel disc in the oil cylinder. Through any one pull rope of the remote pulling, the release pull rope drives the second transmission device to move, and then drives the first transmission device to move, so that the ratchet pin is separated from the ratchet of the ratchet disc in the oil cylinder, and the release of the parking brake force is realized. The passive hydraulic clamp manual relieving mechanism can relieve the parking braking force of the whole vehicle on one side of the vehicle body, the working efficiency of field operation is improved, operation is more convenient and safe, and the passive hydraulic clamp manual relieving mechanism is simple to mount, replace and dismount.
The invention also provides a passive hydraulic clamp comprising the manual relieving mechanism, and the manual relieving mechanism has the technical effects, so the passive hydraulic clamp also has the same technical effects, and the details are not described herein.
Drawings
FIG. 1 is a schematic structural view of a connecting pin assembly in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 2 is a schematic front view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 3 is a schematic top view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention;
FIG. 4 is a schematic side view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention;
FIG. 5 is a schematic view of an installation of one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention;
FIG. 6 is a schematic structural diagram of a release pin in one embodiment of the manual release mechanism for a passive hydraulic clamp provided by the present invention;
FIG. 7 is a schematic structural view of a coupling sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 8 is a schematic structural view of a ball screw in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 9 is a schematic structural view of a ratchet pin of one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention;
FIG. 10 is a schematic view of a spherical sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 11 is a schematic structural diagram of a cassette in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 12 is a schematic structural view of a pressing sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 13 is a schematic diagram of a fork sleeve in an embodiment of the passive hydraulic clamp manual release mechanism provided by the present invention;
FIG. 14 is a schematic structural diagram of a drive block in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention;
fig. 15 is a schematic structural diagram of a rope seat in an embodiment of the passive hydraulic clamp manual release mechanism provided by the invention.
Fig. 16 is a schematic structural diagram of a cover in an embodiment of the passive hydraulic clamp manual release mechanism provided by the present invention.
Detailed Description
The core of the invention is to provide a manual releasing mechanism of a passive hydraulic clamp of a rail train, which can release the parking braking force of the whole train on one side of the train body, improve the working efficiency of field operation and ensure that the operation is more convenient and safer. Another core of the present invention is to provide a passive hydraulic clamp including the above manual mitigation mechanism.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 16, fig. 1 is a schematic structural diagram of a connecting pin assembly in an embodiment of a passive hydraulic clamp manual release mechanism provided in the present invention; FIG. 2 is a schematic front view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 3 is a schematic top view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention; FIG. 4 is a schematic side view of a mounting box assembly in one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention; FIG. 5 is a schematic view of an installation of one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention; FIG. 6 is a schematic structural diagram of a release pin in one embodiment of the manual release mechanism for a passive hydraulic clamp provided by the present invention; FIG. 7 is a schematic structural view of a coupling sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 8 is a schematic structural view of a ball screw in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 9 is a schematic structural view of a ratchet pin of one embodiment of a passive hydraulic clamp manual mitigation mechanism provided by the present invention; FIG. 10 is a schematic view of a spherical sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 11 is a schematic structural diagram of a cassette in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 12 is a schematic structural view of a pressing sleeve in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 13 is a schematic diagram of a fork sleeve in an embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 14 is a schematic structural diagram of a drive block in one embodiment of a passive hydraulic clamp manual release mechanism provided by the present invention; FIG. 15 is a schematic diagram of a cord mount of one embodiment of a passive hydraulic clamp manual override mechanism provided in accordance with the present invention; fig. 16 is a schematic structural diagram of a cover in an embodiment of the passive hydraulic clamp manual release mechanism provided by the present invention.
The specific embodiment of the invention provides a manual release mechanism for a passive hydraulic clamp of a rail train, which comprises a connecting pin assembly and a mounting box assembly, wherein the connecting pin assembly comprises ratchet pins 1-6 used for connecting ratchet discs in an oil cylinder 5-1 of the passive hydraulic clamp and a first transmission device connected with the ratchet pins 1-6, the mounting box assembly comprises a pull rope 2-3 and a second transmission device connected with the pull rope 2-3 and the first transmission device, and the pull rope 2-3 can sequentially drive the second transmission device and the first transmission device to move so as to drive the ratchet pins 1-6 to be separated from the ratchet discs in the oil cylinder 5-1.
Through remotely pulling any one pull rope 2-3, the release pull rope 2-3 drives the second transmission device to move, and then drives the first transmission device to move, so that the ratchet wheel pins 1-6 are separated from the ratchet teeth of the ratchet wheel disc in the oil cylinder, and the release of the parking brake force is realized. The manual release mechanism of the passive hydraulic clamp is simple and convenient to mount, replace and dismount, and can complete release of parking brake force of the whole vehicle on one side of the vehicle body, so that field operation is more convenient and safer.
In the manual release mechanism of the passive hydraulic clamp provided by the specific embodiment of the invention, a first transmission device comprises a release pin 1-1, a spherical sleeve 1-2, a spherical bolt 1-5 and a connecting sleeve 1-3, the tail end of the release pin 1-1 is fixedly connected with the head end of the spherical sleeve 1-2, the tail end of the spherical sleeve 1-2 is provided with a first inner spherical surface 10-2, the head end of the spherical bolt 1-5 is provided with a first outer spherical surface 8-1 matched with the first inner spherical surface 10-2, the first outer spherical surface 8-1 is arranged in the first inner spherical surface 10-2 and can rotate freely relative to the first inner spherical surface 10-2, the tail end of the spherical bolt 1-5 is fixedly connected with a ratchet pin 1-6, and the connecting sleeve 1-3 is sleeved outside the spherical sleeve 1-2 and the ratchet pin 1-6, and limits the movement of the ratchet pin 1-6 so that the ratchet pin 1-6 can only move axially, and the end of the connecting sleeve 1-3 is used for connecting the oil cylinder 5-1 of the passive hydraulic clamp.
specifically, a second inner spherical surface 7-2 is arranged in the connecting sleeve 1-3, a second outer spherical surface 10-3 matched with the second inner spherical surface 7-2 is arranged at the tail end of the spherical sleeve 1-2, the second outer spherical surface 10-3 is arranged in the second inner spherical surface 7-2 and can rotate freely relative to the second inner spherical surface 7-2, and a disc spring 1-4 is arranged in the tail end of the connecting sleeve 1-3.
The release pin 1-1 is connected with the internal thread 10-1 of the spherical sleeve 1-2 into a whole through the external thread 6-1; the connecting sleeve 1-3 is arranged on the oil cylinder 5-1 through a thread 7-1 on the outer cylindrical surface; the spherical bolt 1-5 is connected with the internal thread 9-1 of the ratchet pin 1-6 into a whole through the external thread 8-2; the disc spring 1-4 is arranged in an inner cavity 7-3 at the end part of the connecting sleeve 1-3 to provide resetting force. The relieving pin 1-1 can drive the spherical sleeve 1-2 to swing along the spherical surface in the connecting sleeve 1-3 in any direction, and then the spherical surface in the inner cavity of the spherical sleeve 1-2 drives the spherical bolt 1-5 and the ratchet pin 1-6 to overcome the axial movement of the force of the disc spring 1-4, so that the ratchet pin 1-6 is separated from the ratchet of the ratchet disc in the oil cylinder, and the relieving of the parking force is realized. The outer spherical surface of the spherical sleeve 1-2 is in clearance fit with the inner spherical surface of the inner cavity of the connecting sleeve 1-3.
In the passive hydraulic clamp manual release mechanism provided by the specific embodiment of the invention, the second transmission device comprises a pressing sleeve 2-4, a fork-shaped sleeve 2-6, a rope seat 2-9 and a driving block 2-7, the pull rope 2-3 sequentially penetrates through the pressing sleeve 2-4 and the fork-shaped sleeve 2-6 and is fixedly connected with the rope seat 2-9, the rope seat 2-9 is fixedly connected with the driving block 2-7, the pull rope 2-3 can pull the driving block 2-7 to move along the extension direction of the pressing sleeve 2-4, the driving block 2-7 is abutted against the head end of the release pin 1-1, and the movement direction of the driving block 2-7 is perpendicular to the axial direction of the release pin 1-1.
Specifically, the mounting box assembly further comprises a box body 2-1 and a cover body 2-2 which are connected with each other, the second transmission device is mounted in the box body 2-1, and a sliding groove for relieving the entrance of the head end of the pin 1-1 is formed in the cover body 2-2; the periphery of the fork-shaped sleeve 2-6 is sleeved with a return spring 2-5; the box body 2-1 is provided with an elastic cylindrical pin 2-11 for fixing the pressing sleeve 2-4.
the inner cavity of the box body 2-1 is internally provided with a pressing sleeve 2-4, a fork-shaped sleeve 2-6, a return spring 2-5, a driving block 2-7, a rope seat 2-9 and the like, and the box body 2-1 is connected with the cover body 2-2 through three mounting holes 11-1 by bolts. The pressing sleeve 2-4 is fixedly connected with the box body 2-1 through two grooves 12-1 and two elastic cylindrical pins 2-11; the fork-shaped sleeve 2-6 is arranged in the pressing sleeve 2-4 along the axial direction, and the driving block 2-7 is sleeved on the fork-shaped sleeve 2-6 and is connected with the rope seat 2-9 through a screw 2-8. The rope seat 2-9 is arranged in the rectangular groove 13-1 of the fork-shaped sleeve 2-6, and the release pull rope 2-3 penetrates through the pressing sleeve 2-4 and the inner hole of the fork-shaped sleeve 2-6 to clamp the end part of the pull rope 2-3 in the U-shaped groove 15-1 of the rope seat 2-9. When the release pull rope 2-3 is pulled, the rope seat 2-9 and the driving block 2-7 overcome the force of the return spring 2-5 to generate axial movement. And further the release pin 1-1 is pushed to swing, and the subsequent actions are as above, so that the process that the pulling force is transmitted from the second transmission device to the first transmission device and finally transmitted to the ratchet pin 1-6 is realized.
The maximum 300N force required when pulling the handle of the remote control manual release mechanism can realize the complete release of the parking brake force. Wherein the box body 2-1 and the cover body 2-2 are connected through three mounting bolts 2-10; the cover body 2-2 is fixed on the oil cylinder through four bolts and two positioning pins. The relieving pin 1-1 device is arranged on the oil cylinder through the external thread on the connecting sleeve 1-3, and then the head of the relieving pin 1-1 can extend into the inner cavities of the box body 2-1 and the cover body 2-2. When the release pull rope 2-3 is pulled, the driving block 2-7 can push the release pin 1-1 to move, and then the release of the parking braking force is realized through the release pin 1-1 device.
On the basis of the manual release mechanism of the passive hydraulic clamp provided by each specific embodiment, two pull ropes 2-3 connected with the second transmission device can be arranged, and the hand pulling ends of the pull ropes 2-3 are respectively arranged at two sides of the vehicle body, so that the convenience of operation is further improved.
in addition to the above-mentioned manual release mechanism for the passive hydraulic clamp, a specific embodiment of the present invention further provides a passive hydraulic clamp including the above-mentioned manual release mechanism, and the structure of other parts of the passive hydraulic clamp refers to the prior art and is not described herein again.
The passive hydraulic clamp and the manual release mechanism thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A manual release mechanism of a passive hydraulic clamp is characterized by comprising a connecting pin assembly and a mounting box assembly, wherein the connecting pin assembly comprises a ratchet pin (1-6) used for connecting a ratchet disc in an oil cylinder (5-1) of the passive hydraulic clamp and a first transmission device connected with the ratchet pin (1-6), the mounting box assembly comprises a pull rope (2-3) and a second transmission device connected with the pull rope (2-3) and the first transmission device, and the pull rope (2-3) can be pulled to sequentially drive the second transmission device and the first transmission device to move so as to drive the ratchet pin (1-6) to be separated from the ratchet disc in the oil cylinder (5-1);
The first transmission device comprises a release pin (1-1), a spherical sleeve (1-2), a spherical bolt (1-5) and a connecting sleeve (1-3), the tail end of the release pin (1-1) is fixedly connected with the head end of the spherical sleeve (1-2), the tail end of the spherical sleeve (1-2) is provided with a first inner spherical surface (10-2), the head end of the spherical bolt (1-5) is provided with a first outer spherical surface (8-1) matched with the first inner spherical surface (10-2), the first outer spherical surface (8-1) is installed in the first inner spherical surface (10-2) and can freely rotate relative to the first inner spherical surface (10-2), the tail end of the spherical bolt (1-5) is fixedly connected with the ratchet pin (1-6), and the connecting sleeve (1-3) is sleeved on the spherical sleeve (1-2) and the ratchet pin (1-3) -6) and limiting the movement of the ratchet pin (1-6) so that the ratchet pin (1-6) can move only axially, the end of the connecting sleeve (1-3) being used for connecting the cylinder (5-1) of the passive hydraulic clamp; the two pull ropes (2-3) are connected with the second transmission device, and the hand pulling ends of the two pull ropes (2-3) are respectively arranged on two sides of the vehicle body.
2. the manual release mechanism for the passive hydraulic clamp according to claim 1, wherein a second inner spherical surface (7-2) is arranged in the connecting sleeve (1-3), a second outer spherical surface (10-3) matched with the second inner spherical surface (7-2) is arranged at the tail end of the spherical sleeve (1-2), and the second outer spherical surface (10-3) is arranged in the second inner spherical surface (7-2) and can rotate freely relative to the second inner spherical surface.
3. The passive hydraulic clamp manual release mechanism according to claim 2, characterized in that a disc spring (1-4) is provided inside the end of the connection sleeve (1-3).
4. The passive hydraulic clamp manual mitigation mechanism of claim 1, the second transmission device comprises a pressing sleeve (2-4), a fork sleeve (2-6), a rope seat (2-9) and a driving block (2-7), the pull rope (2-3) sequentially penetrates through the pressing sleeve (2-4) and the fork-shaped sleeve (2-6), and is fixedly connected with the rope seat (2-9), the rope seat (2-9) is fixedly connected with the driving block (2-7), the pull rope (2-3) can pull the driving block (2-7) to move along the extension direction of the pressing sleeve (2-4), the driving block (2-7) is abutted against the head end of the relieving pin (1-1), and the movement direction of the driving block (2-7) is perpendicular to the axial direction of the release pin (1-1).
5. The manual release mechanism of a passive hydraulic clamp according to claim 4, wherein the mounting box assembly further comprises a box body (2-1) and a cover body (2-2) which are connected with each other, the second transmission device is mounted in the box body (2-1), and a sliding groove for the head end of the release pin (1-1) to enter is formed in the cover body (2-2).
6. The passive hydraulic clamp manual release mechanism according to claim 5, characterized in that the fork-shaped sleeve (2-6) is sleeved with a return spring (2-5) at the periphery.
7. The passive hydraulic clamp manual release mechanism according to claim 6, characterized in that the box body (2-1) is provided with a resilient cylindrical pin (2-11).
8. A passive hydraulic clamp, characterized by comprising an oil cylinder, a clamp and a manual release mechanism arranged on the oil cylinder, wherein the manual release mechanism is the manual release mechanism of the passive hydraulic clamp in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908953.6A CN109080660B (en) | 2018-08-10 | 2018-08-10 | passive hydraulic clamp and manual relieving mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908953.6A CN109080660B (en) | 2018-08-10 | 2018-08-10 | passive hydraulic clamp and manual relieving mechanism thereof |
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| Publication Number | Publication Date |
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| CN109080660A CN109080660A (en) | 2018-12-25 |
| CN109080660B true CN109080660B (en) | 2019-12-17 |
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| CN201810908953.6A Active CN109080660B (en) | 2018-08-10 | 2018-08-10 | passive hydraulic clamp and manual relieving mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109760A (en) * | 2020-09-15 | 2020-12-22 | 中车青岛四方车辆研究所有限公司 | Manual mechanical relieving device and hydraulic braking clamp thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969223B (en) * | 2019-04-26 | 2024-03-22 | 四川江山轨道交通装备制造有限公司 | Hand relieving mechanism of parking brake cylinder |
| CN110155115B (en) * | 2019-05-30 | 2020-05-22 | 眉山中车制动科技股份有限公司 | Manual brake parking cylinder release mechanism and railway vehicle brake parking cylinder device |
| CN110949443A (en) * | 2019-12-04 | 2020-04-03 | 中车株洲电力机车有限公司 | Parking brake system for railway vehicle and relieving device thereof |
| CN113830130B (en) * | 2021-10-14 | 2024-04-16 | 上海铁申装备有限公司 | Normalized self-braking track trolley special for track traffic construction |
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| CN204399198U (en) * | 2014-12-31 | 2015-06-17 | 常州南车铁马科技实业有限公司 | A kind of hand relieving mechanism for guideway vehicle oil cylinder |
| CN106740971A (en) * | 2016-12-15 | 2017-05-31 | 中车青岛四方车辆研究所有限公司 | The hand relieving device of rail vehicle Parking Brake Cylinders |
| CN107499333A (en) * | 2017-09-04 | 2017-12-22 | 中车青岛四方车辆研究所有限公司 | Parking Brake Cylinders hand alleviates device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109760A (en) * | 2020-09-15 | 2020-12-22 | 中车青岛四方车辆研究所有限公司 | Manual mechanical relieving device and hydraulic braking clamp thereof |
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| Publication number | Publication date |
|---|---|
| CN109080660A (en) | 2018-12-25 |
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Effective date of registration: 20220809 Address after: 266000 south side of Xinye road and west side of Herong Road, Qingdao high tech Industrial Development Zone, Qingdao, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee before: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. |