CN107618532B - Locking mechanism for automatic dustproof device of railway rolling stock - Google Patents

Locking mechanism for automatic dustproof device of railway rolling stock Download PDF

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Publication number
CN107618532B
CN107618532B CN201710879039.9A CN201710879039A CN107618532B CN 107618532 B CN107618532 B CN 107618532B CN 201710879039 A CN201710879039 A CN 201710879039A CN 107618532 B CN107618532 B CN 107618532B
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CN
China
Prior art keywords
locking
automatic
automatic dustproof
rod
dustproof device
Prior art date
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Application number
CN201710879039.9A
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Chinese (zh)
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CN107618532A (en
Inventor
刘保华
田宇
王文
徐海
谢磊
欧东方
吕超
申燕飞
宁波
肖八励
周克俭
王开恩
唐琦
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Meishan CRRC Brake Science and Technology Co Ltd
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Meishan CRRC Brake Science and Technology Co Ltd
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Application filed by Meishan CRRC Brake Science and Technology Co Ltd filed Critical Meishan CRRC Brake Science and Technology Co Ltd
Priority to CN201710879039.9A priority Critical patent/CN107618532B/en
Priority to PCT/CN2017/115381 priority patent/WO2019061838A1/en
Priority to AU2017434607A priority patent/AU2017434607B2/en
Publication of CN107618532A publication Critical patent/CN107618532A/en
Application granted granted Critical
Publication of CN107618532B publication Critical patent/CN107618532B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00Details or accessories

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a locking mechanism for an automatic dustproof device of a railway rolling stock, which is arranged at an opening of a connector body, wherein the locking mechanism is used for locking the automatic dustproof device which is moved away when an automatic dustproof hose connector needs to be hung, and unlocking the automatic dustproof device which is locked in the process of hanging the automatic dustproof hose connector. The automatic dustproof hose connector is mainly used for connecting and disconnecting the automatic dustproof hose connector of railway rolling stock, when the automatic dustproof hose connector is connected, the automatic dustproof device which is opened is locked through the locking mechanism without affecting the normal connecting and disconnecting of an operator, in the connecting and disconnecting process, the automatic dustproof device which is locked is unlocked by the automatic dustproof hose connector, the connecting and disconnecting state of the automatic dustproof hose connector is not affected, and after the automatic dustproof hose connector is disconnected, the automatic dustproof device can be automatically reset, so that the dustproof effect is achieved.

Description

Locking mechanism for automatic dustproof device of railway rolling stock
Technical Field
The invention belongs to the technical field of railway rolling stock, and particularly relates to a locking mechanism for an automatic dustproof device of railway rolling stock.
Background
In the conventional railway rolling stock, in order to prevent foreign matters from entering the hose connector in a non-connected state, the hose connector opening is generally required to be closed manually, and great operation risks and inconvenience exist. When the hose connector port is not closed, foreign matters enter the brake pipe and are not easy to clear, the work of the brake part is easily influenced, and serious threat is formed to the driving safety.
In order to overcome the defects, the automatic dustproof device is additionally arranged on the basis of the existing hose connector, so that the dustproof effect can be well achieved. The automatic dustproof device is internally provided with the torsion spring, so that the automatic dustproof device can be circumferentially rotated, after the hose connector is additionally provided with the automatic dustproof device, the automatic dustproof device needs to be turned off and then hung when the hose connector is hung on site, but the reset force exists after the automatic dustproof device is turned off, so that an operator needs to rotationally connect two hose connectors and prevent the reset action of the automatic dustproof device when the automatic dustproof device is hung on site, and the on-site continuous hanging becomes very difficult.
Disclosure of Invention
The invention aims at: to the problem that exists, provide one kind and can make the hose connector who is provided with automatic dust keeper convenient and fast when linking to hang, and after taking off the hose connector, automatic dust keeper can automatic re-setting, realizes effectively dirt-proof locking mechanism that is used for railway rolling stock automatic dust keeper.
The technical scheme of the invention is realized as follows: a locking mechanism for automatic dust keeper of railway rolling stock, automatic dust keeper sets up in the connector body opening part of automatic dust protected hose connector, its characterized in that: the locking mechanism is used for locking the removed automatic dustproof device when the automatic dustproof hose connector is required to be hung, meanwhile, the automatic dustproof hose connector is unlocked in the hanging process, the locking mechanism is provided with a locking part and an unlocking part, the automatic dustproof device is provided with an upper locking handle which is correspondingly matched with the locking part of the locking mechanism, when the automatic dustproof hose connector is required to be hung, the automatic dustproof device is removed, the upper locking handle on the automatic dustproof device is matched with the locking part of the locking mechanism to be locked, and when the two automatic dustproof hose connectors are in rotary connection, the connector body releases the locking state of the automatic dustproof device on the other connector body through the unlocking part of the locking mechanism, and the automatic dustproof device after unlocking is abutted against the outer peripheral surface of the connector body which is correspondingly connected.
The locking mechanism for the automatic dustproof device of the railway rolling stock comprises a push rod, an upper lock rod, a positioning rod and an upper lock spring, wherein the push rod, the upper lock rod, the positioning rod and the upper lock spring are arranged in a connector body mounting hole, one end of the upper lock spring is abutted against the end face of the positioning rod, the other end of the upper lock spring is abutted against the end face of a compression screw in threaded connection with the connector body mounting hole, the pre-tightening force of the upper lock spring can be adjusted through the compression screw, the upper lock rod is sleeved on the positioning rod, the push rod is sleeved at the end part of the positioning rod, the end part of the upper lock rod forms a locking part and is correspondingly matched with an upper lock handle of the automatic dustproof device, and the end part of the push rod protrudes out of the mounting hole of the connector body to form an unlocking part for unlocking the automatic dustproof device when two automatic dustproof hose connectors are in rotary connection.
The locking mechanism for the automatic dustproof device of the railway rolling stock is characterized in that a locking spring protection sleeve sleeved on the periphery of a locking spring is arranged in a mounting hole of the connector body, and the locking spring protection sleeve and a positioning rod are assembled together through step matching.
The invention relates to a locking mechanism for an automatic dustproof device of a railway rolling stock, which is characterized in that a locking protruding part is arranged at the end part of an upper lock rod, and a locking groove which is correspondingly matched with the locking protruding part at the end part of the upper lock rod is arranged on an upper lock handle of the automatic dustproof device.
The locking mechanism for the automatic dustproof device of the railway rolling stock, provided by the invention, has the advantages that when the automatic dustproof device is required to be locked, the upper locking handle of the automatic dustproof device enables the upper locking rod to be pressed down against the elasticity of the upper locking spring until the locking convex part of the upper locking rod is correspondingly matched with the locking groove of the upper locking handle, the upper locking rod returns under the action of the upper locking spring, and the upper locking handle of the automatic dustproof device and the upper locking rod form locking at the moment;
when two automatic dustproof hose connectors are in rotary connection, the outer wall of the connector body faces to the ejector rod to form pressure, the ejector rod drives the upper lock rod to overcome the elastic force of the upper lock spring and be pressed down together, the locking state of the upper lock handle and the upper lock rod of the automatic dustproof device is unlocked, and the automatic dustproof device generates return action under the action of the reset structure until the automatic dustproof device abuts against the outer peripheral surface of the connector body;
when the two automatic dustproof hose connectors are taken off, the automatic dustproof device which is lost to be blocked automatically rotates back to the opening of the connector body under the action of the reset structure and completely blocks the connector body.
The automatic dustproof hose connector is mainly used for connecting and disconnecting the automatic dustproof hose connector of railway rolling stock, when the automatic dustproof hose connector is connected, the opened automatic dustproof device is locked through the locking mechanism without affecting the normal connecting and disconnecting of an operator, in the connecting and disconnecting process, the locked automatic dustproof device can be unlocked by utilizing the connector body of the automatic dustproof hose connector, the unlocked automatic dustproof device does not affect the connecting and disconnecting state of the automatic dustproof hose connector, and after the automatic dustproof hose connector is disconnected, the automatic dustproof device can be automatically reset, so that the dustproof effect is realized, and the phenomenon that an operator forgets to unlock and causes foreign matters to enter the automatic dustproof hose connector in a non-connecting state is avoided.
Drawings
Fig. 1 is a schematic view of the use of the present invention on an automatic dust hose connector.
Fig. 2 is a cross-sectional view of the locking mechanism of the present invention.
FIG. 3 is a schematic view of the locking of the automatic dust control device in the present invention.
FIG. 4 is a schematic illustration of the present invention with two auto dust hose connectors hanging together and an auto dust device unlocked.
The marks in the figure: 1 is an automatic dust-proof device, 2 is a connector body, 3 is an upper lock handle, 4 is a push rod, 5 is an upper lock rod, 6 is a positioning rod, 7 is an upper lock spring, 8 is a compression screw, and 9 is an upper lock spring protection sleeve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, a locking mechanism for an automatic dust-proof device of a railway rolling stock is provided, wherein the automatic dust-proof device 1 is arranged at an opening of a connector body 2 of the automatic dust-proof hose connector, the locking mechanism is used for locking the automatic dust-proof device 1 which is removed when the automatic dust-proof hose connector is required to be connected, simultaneously unlocking the locked automatic dust-proof device 1 in the connecting process of the automatic dust-proof hose connector, the locking mechanism is provided with a locking part and an unlocking part, an upper locking handle 3 which is correspondingly matched with the locking part of the locking mechanism is arranged on the automatic dust-proof device 1, when the automatic dust-proof hose connector is required to be connected, the upper locking handle 3 on the automatic dust-proof device 1 is matched with the locking part of the locking mechanism, and when the two automatic dust-proof hose connectors are in rotary connection, the connector body 2 releases the locking state of the automatic dust-proof device 1 on the other connector body 2 which is connected through the unlocking part of the locking mechanism, and the automatic dust-proof device 1 abuts against the outer peripheral surface of the connector body 2 which is correspondingly connected.
The locking mechanism comprises a push rod 4, an upper lock rod 5, a positioning rod 6 and an upper lock spring 7 which are arranged in a mounting hole of a connector body 2, one end of the upper lock spring 7 is propped against the end face of the positioning rod 6, the other end of the upper lock spring 7 is propped against the end face of a compression screw 8 which is in threaded connection with the mounting hole of the connector body 2, the pre-tightening force of the upper lock spring 7 can be adjusted through the compression screw 8, an upper lock spring protection sleeve 9 sleeved on the periphery of the upper lock spring 7 is arranged in the mounting hole of the connector body 2, the upper lock spring protection sleeve 9 and the positioning rod 6 are assembled together through step fit, the upper lock rod 5 is sleeved on the positioning rod 6, the push rod 4 is sleeved at the end part of the positioning rod 6, the end part of the upper lock rod 5 forms a locking part and is correspondingly matched with an upper lock handle 3 of an automatic dustproof device 1, in this embodiment, the end part of the upper lock rod 5 is provided with a locking convex part 5a correspondingly matched with a locking convex groove of the end part 5a of the upper lock handle 3 of the automatic dustproof device 1, and the end part of the push rod 4 is sleeved on the two ends of the connector body 2 forms an unlocking hose when the automatic dustproof device is connected with the two hose connector 1.
As shown in fig. 3, when the automatic dust-proof device 1 needs to be locked, the automatic dust-proof device is pulled out by an external force until a certain angle is reached, the upper locking handle 3 of the automatic dust-proof device 1 enables the upper locking rod 5 to be pressed down against the elastic force of the upper locking spring 7 until the locking convex part 5a of the upper locking rod 5 is correspondingly matched with the locking groove of the upper locking handle 3, the upper locking rod 5 returns under the action of the upper locking spring 7, at this time, the upper locking handle 3 of the automatic dust-proof device 1 and the upper locking rod 5 form locking, the locking state is difficult to break under the action of no external force, and at this time, the connector can be easily and freely connected as before.
As shown in fig. 4, when two automatic dust-proof hose connectors are in rotary connection, the outer wall of the connector body 2 forms pressure against the ejector rod 4, the ejector rod 4 drives the upper lock rod 5 to be pressed down together against the elastic force of the upper lock spring 7, the locking state of the upper lock handle 3 and the upper lock rod 5 of the automatic dust-proof device 1 is unlocked, the automatic dust-proof device 1 generates return action under the action of the reset structure until the automatic dust-proof device 1 abuts against the outer peripheral surface of the connector body 2, and at this time, the automatic dust-proof device stops rotating and finishes unlocking.
When two automatic dustproof hose connectors are taken off, the automatic dustproof device 1 losing the blocking automatically rotates back to the opening of the connector body 2 under the action of the reset structure and completely blocks the connector body, so that the dustproof effect is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (5)

1. A locking mechanism for automatic dust keeper of railway rolling stock, automatic dust keeper (1) set up in automatic dust keeper's connector body (2) opening part, its characterized in that: the locking mechanism is used for locking the removed automatic dustproof device (1) when the automatic dustproof hose connector is required to be hung, meanwhile, the automatic dustproof hose connector is unlocked in the hanging process, the locking mechanism is provided with a locking part and an unlocking part, an upper locking handle (3) which is correspondingly matched with the locking part of the locking mechanism is arranged on the automatic dustproof device (1), when the automatic dustproof hose connector is required to be hung, the automatic dustproof device (1) is removed, the upper locking handle (3) on the automatic dustproof device (1) is matched with the locking part of the locking mechanism, when the two automatic dustproof hose connectors are in rotary connection, the connector body (2) releases the locking state of the connected other connector body through the unlocking part of the locking mechanism, and the unlocked automatic dustproof device (1) is abutted against the outer peripheral surface of the corresponding connected connector body (2).
2. The locking mechanism for an automatic dust control device for a railroad rolling stock of claim 1, wherein: the locking mechanism comprises a push rod (4) arranged in a mounting hole of a connector body (2), an upper lock rod (5), a positioning rod (6) and an upper lock spring (7), one end of the upper lock spring (7) is propped against the end face of the positioning rod (6), the other end of the upper lock spring is propped against the end face of a compression screw (8) in threaded connection with the mounting hole of the connector body (2), the pretightening force of the upper lock spring (7) can be adjusted through the compression screw (8), the upper lock rod (5) is sleeved on the positioning rod (6), the push rod (4) is sleeved at the end part of the positioning rod (6), the end part of the upper lock rod (5) forms a locking part and is correspondingly matched with an upper lock handle (3) of an automatic dustproof device (1), and the end part of the push rod (4) protrudes out of the mounting hole of the connector body (2) for unlocking the automatic dustproof device (1) when two automatic dustproof hose connectors are in rotary connection.
3. The locking mechanism for an automatic dust control device for a railroad rolling stock of claim 2, wherein: a locking spring protection sleeve (9) sleeved on the periphery of the locking spring (7) is arranged in a mounting hole of the connector body (2), and the locking spring protection sleeve (9) and the positioning rod (6) are assembled together through step fit.
4. The locking mechanism for an automatic dust control device for a railroad rolling stock of claim 2, wherein: the end part of the upper lock rod (5) is provided with a locking protruding part (5 a), and the upper lock handle (3) of the automatic dustproof device (1) is provided with a locking groove which is correspondingly matched with the locking protruding part (5 a) at the end part of the upper lock rod (5).
5. A locking mechanism for an automatic dust control apparatus for a railroad rolling stock as set forth in claim 2, 3 or 4, wherein: when the automatic dustproof device (1) needs to be locked, the upper locking handle (3) of the automatic dustproof device (1) enables the upper locking rod (5) to be pressed down against the elastic force of the upper locking spring (7) until the locking convex part (5 a) of the upper locking rod (5) is correspondingly matched with the locking groove of the upper locking handle (3), the upper locking rod (5) returns under the action of the upper locking spring (7), and at the moment, the upper locking handle (3) of the automatic dustproof device (1) and the upper locking rod (5) form locking;
when two automatic dustproof hose connectors are in rotary connection, the outer wall of the connector body (2) faces the ejector rod (4) to form pressure, the ejector rod (4) drives the upper lock rod (5) to be pressed down together against the elastic force of the upper lock spring (7), the locking state of the upper lock handle (3) and the upper lock rod (5) of the automatic dustproof device (1) is unlocked, and the automatic dustproof device (1) generates return action under the action of a reset structure until the automatic dustproof device (1) abuts against the outer peripheral surface of the connector body (2);
when the two automatic dustproof hose connectors are taken off, the automatic dustproof device (1) losing the blocking automatically rotates back to the opening of the connector body (2) under the action of the reset structure and completely blocks the connector body.
CN201710879039.9A 2017-09-26 2017-09-26 Locking mechanism for automatic dustproof device of railway rolling stock Active CN107618532B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201710879039.9A CN107618532B (en) 2017-09-26 2017-09-26 Locking mechanism for automatic dustproof device of railway rolling stock
PCT/CN2017/115381 WO2019061838A1 (en) 2017-09-26 2017-12-11 Locking mechanism for automatic dustproofing device of railway locomotive vehicle
AU2017434607A AU2017434607B2 (en) 2017-09-26 2017-12-11 Locking mechanism for automatic dustproofing device of railway locomotive vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710879039.9A CN107618532B (en) 2017-09-26 2017-09-26 Locking mechanism for automatic dustproof device of railway rolling stock

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CN107618532A CN107618532A (en) 2018-01-23
CN107618532B true CN107618532B (en) 2024-02-20

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AU (1) AU2017434607B2 (en)
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CN109830868B (en) * 2019-02-20 2020-09-01 眉山中车制动科技股份有限公司 Dust keeper and hose connection equipment

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CN107618532A (en) 2018-01-23
AU2017434607B2 (en) 2024-02-08
WO2019061838A1 (en) 2019-04-04

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