A locomotive coupler anti-jump protection device

Abstract

The present invention discloses an anti-jump protection device for a locomotive coupler, which includes an anti-jump main board, a rotating plate and a locking mechanism. One end of the rotating plate is welded to the end of the anti-jump main board, and the other end is rotatably connected to the pin shaft of the lower locking pin of the locomotive coupler. A groove for accommodating the lower locking pin is provided at one end of the anti-jump main board, and a locking mechanism is provided at the other end. The locking mechanism can enclose the lower locking pin in the groove. The anti-jump protection device for the coupler of the present invention controls the position of the lower locking pin of the coupler, so that when the locomotive is running and the coupler vibrates or is impacted by an external force, the position of the coupler locking iron remains unchanged, thereby preventing the accident of coupler separation.

Description

Technical Field

[0001] The invention relates to the technical field of locomotive accessories, in particular to a locomotive coupler anti-jump protection device. Background Art

[0002] A coupler is a hook at both ends of a train car or locomotive, which has the functions of connection, traction and buffering. The coupler is used to connect locomotives and vehicles, locomotives and locomotives, and vehicles and vehicles, transmit traction and braking forces, and keep a certain distance between vehicles. The original design of the existing locomotive coupler does not have a coupler anti-jump protection device, which has a structural defect of potential coupler separation accidents. Summary of the invention

[0003] The purpose of the present invention is to provide a locomotive coupler anti-jump protection device to solve the problems existing in the above-mentioned prior art, so that the coupler will not be passively opened when the coupler lock iron is displaced during the operation of the railway locomotive, thereby avoiding accidents causing separation between the locomotive and the vehicle, the locomotive and the locomotive, and the vehicle and the vehicle.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides a locomotive coupler anti-jump protection device, comprising an anti-jump main plate, a rotating plate and a locking mechanism, wherein one end of the rotating plate is welded to the end of the anti-jump main plate, and the other end is rotatably connected to the pin shaft of a lower locking pin of the locomotive coupler, one end of the anti-jump main plate is provided with a groove for accommodating the lower locking pin, and the other end is provided with the locking mechanism, and the locking mechanism can close the lower locking pin in the groove.

[0006] Preferably, the locking mechanism includes a support seat and an elastic locking handle, the support seat is U-shaped and the bottom is welded to the straight plate end of the anti-jump main board, through holes are provided on the protruding plates at both ends, the elastic locking handle is passed through the through hole of the support seat, and the end of the elastic locking handle can be passed through the groove wall of the groove when not subject to external force.

[0007] Preferably, the elastic locking handle includes a handle, a return spring and a positioning pin, the handle is provided with a gripping portion, the handle is radially penetrated by the positioning pin, the positioning pin is located between two protruding plates of the support seat, the return spring is located between the positioning pin and the protruding plate close to the gripping portion, and the return spring is in a compressed state.

[0008] Preferably, the handle is an L-shaped handle, and the two ends of the L-shaped handle are round shafts with lengths of 115 mm and 35 mm respectively, the pin shaft hole of the locating pin is 48 mm away from the end of the long axis of the handle, the diameter of the handle is 10 mm and the end of the long axis is provided with a chamfer with a radius of 5 mm.

[0009] Preferably, the length of the positioning pin from the holding portion is not less than the distance between the two protruding plates of the support base.

[0010] Preferably, the thicknesses of the anti-jump main board, the rotating plate, and the support base are all 4 mm.

[0011] Preferably, the rotating plate is an L-shaped plate. The length of the long plate of the rotating plate is 204 mm, the length of the short plate is 25 mm, and the diameter of the through hole of the pin shaft is 26 mm.

[0012] Preferably, the length and width of the groove of the anti-jump main board are both 36 mm, and the length of the straight plate is 75 mm.

[0013] The present invention has achieved the following technical effects compared with the prior art:

[0014] The coupler anti-jump protection device of the present invention locks the position of the locking iron inside the coupler, so that when the coupler vibrates or is impacted by an external force during the operation of the locomotive, the position of the coupler locking iron remains unchanged, thereby preventing the accident of coupler separation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 is a schematic structural diagram of the coupler anti-jump protection device of the present invention for a locomotive Figure 1 ;

[0017] Figure 2 is a schematic structural diagram of the coupler anti-jump protection device of the present invention for a locomotive Figure 2 ;

[0018] Figure 3 is a schematic structural diagram of the rotating plate in the coupler anti-jump protection device of the present invention for a locomotive;

[0019] Among them: 1 - rotating plate, 2 - anti-jump main board, 3 - support base, 4 - L-shaped handle, 5 - return spring, 6 - positioning pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The purpose of the present invention is to provide a locomotive coupler anti-jump protection device to solve the problems existing in the prior art, so that the coupler will not be passively opened when the coupler lock iron is displaced during the operation of the railway locomotive, thereby avoiding accidents causing separation between the locomotive and the vehicle, the locomotive and the locomotive, and the vehicle and the vehicle.

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] like Figures 1 to 3 As shown: This embodiment provides a locomotive coupler anti-jump protection device, including an anti-jump main board 2, a rotating plate 1 and a locking mechanism, one end of the rotating plate 1 is welded to the end of the anti-jump main board 2, and the other end is rotatably connected to the pin shaft of the lower locking pin of the locomotive coupler, one end of the anti-jump main board 2 is provided with a groove for accommodating the lower locking pin, and the other end is provided with a locking mechanism, and the locking mechanism can close the lower locking pin in the groove.

[0024] The locking mechanism includes a support seat 3 and an elastic locking handle. The support seat 3 is U-shaped and the bottom is welded to the straight plate end of the anti-jump main board 2. Through holes are arranged on the protruding plates at both ends. The elastic locking handle is passed through the through holes of the support seat 3. The end of the elastic locking handle can be passed through the groove wall of the groove when not subject to external force.

[0025] The elastic locking handle includes a handle, a reset spring 5 and a positioning pin 6. A gripping portion is provided on the handle. The handle is radially penetrated with a positioning pin 6. The positioning pin 6 is located between two protruding plates of the support seat 3. The reset spring 5 is located between the positioning pin 6 and the protruding plate close to the gripping portion. The reset spring 5 is in a compressed state.

[0026] The handle is an L-shaped handle 3. The two ends of the L-shaped handle 3 are round shafts with lengths of 115 mm and 35 mm respectively. The pin hole of the positioning pin 6 is 48 mm away from the end of the long axis of the handle. The diameter of the handle is 10 mm and a fillet with a radius of 5 mm is provided at the end of the long axis. The distance from the positioning pin 6 to the holding part is not less than the distance between the two protruding plates of the support seat 3. The thicknesses of the anti-jump main board 2, the rotating plate 1, and the support seat 3 are all 4 mm. The rotating plate 1 is an L-shaped plate. The length of the long plate of the rotating plate 1 is 204 mm, the length of the short plate is 25 mm, the diameter of the through hole for the pin shaft to pass through is 26 mm, and the specification of the return spring 5 is 1*13*58 mm. The length and width of the groove of the anti-jump main board 2 are both 36 mm, and the length of the straight plate is 75 mm.

[0027] The anti-jump protection device of the locomotive coupler in this embodiment is located below the car body. The lower locking pin passes through the through hole on the bottom surface of the car body. The length of the long plate of the rotating plate 1 matches the distance from the pin shaft of the lower locking pin to the bottom surface of the car body, and the anti-jump main board 2 cannot pass through the through hole on the bottom surface of the car body. This embodiment has two action positions, namely the locked position and the open position. The locked position refers to the working position when the device operates after the coupler is closed. The device controls the upward movement of the lower locking pin of the coupler to open the coupler locking iron and prevent the coupler from accidentally opening. After the locomotive coupler is connected and the coupler tongue is locked, pull the L-shaped handle 4 and rotate the rotating plate 1 and the anti-jump main board 2 so that the anti-jump main board 2 wraps the lower locking pin. Release the L-shaped handle 4. Under the action of the return spring 5, the L-shaped handle 4 is in the locked position. Since the anti-jump main board 2 cannot pass through the through hole on the bottom surface of the car body, the upward movement of the lower locking pin is restricted. At this time, the lifting rod cannot lift the lower locking pin, thus preventing the failure of the coupler from separating. The open position refers to the non-working state position when the coupler is lifted. When the locomotive needs to perform decoupling operation, first pull the L-shaped handle 4, and the return spring 5 is further compressed due to the movement of the positioning pin 6, so that the front end of the L-shaped handle 4 leaves the control position of the lower locking pin. At the same time, the rotating plate 1 drives the anti-jump main board 2 to rotate together, so that the anti-jump main board 2 bypasses the coupler lower locking pin, that is, in the open position. At this time, lifting and rotating the coupler lifting rod can open the coupler tongue, thus completing the decoupling operation of the locomotive. The whole device has a simple structure and is easy to operate.

[0028] In this specification, specific examples are used to elaborate on the principle and implementation mode of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A locomotive coupler anti-jump protection device, characterized in that: It includes an anti-jump main board, a rotating plate and a locking mechanism. One end of the rotating plate is welded to the end of the anti-jump main board, and the other end is rotatably connected to the pin shaft of the lower locking pin of the locomotive coupler. One end of the anti-jump main board is provided with a groove for accommodating the lower locking pin, and the other end is provided with the locking mechanism which can enclose the lower locking pin in the groove. The locking mechanism includes a support seat and an elastic locking handle. The elastic locking handle includes a handle, a return spring and a positioning pin. The anti-jump protection device of the locomotive coupler is located below the car body. The lower locking pin passes through the through hole on the bottom surface of the car body. The length of the long plate of the rotating plate matches the distance from the pin shaft of the lower locking pin to the bottom surface of the car body, and the anti-jump main board cannot pass through the through hole on the bottom surface of the car body. After the locomotive coupler is connected and the coupler tongue is locked, pull the handle and rotate the rotating plate and the anti-jump main board so that the anti-jump main board wraps the lower locking pin. Release the handle, and under the action of the return spring, the handle is in the locked position. Since the anti-jump main board cannot pass through the through hole on the bottom surface of the car body, the upward movement of the lower locking pin is restricted. At this time, the lifting rod cannot lift the lower locking pin, thus preventing the failure of the coupler separation. When the locomotive needs to uncouple, first pull the handle, and the return spring is further compressed due to the movement of the positioning pin, so that the front end of the handle leaves the control position of the lower locking pin. At the same time, the rotating plate drives the anti-jump main board to rotate together, so that the anti-jump main board bypasses the lower locking pin of the coupler, thus completing the uncoupling operation of the locomotive.

2. The anti-jump protection device for locomotive couplers according to claim 1, wherein: The support seat is U-shaped and its bottom is welded to the straight plate end of the anti-jump main board. Through holes are provided on the protruding plates at both ends. The elastic locking handle passes through the through holes of the support seat, and the end of the elastic locking handle can pass through the groove wall of the groove when not affected by external force.

3. The anti-jump protection device for locomotive couplers according to claim 2, characterized in that: The handle is provided with a holding part. The handle is radially provided with the positioning pin. The positioning pin is located between the two protruding plates of the support seat. The return spring is located between the positioning pin and the protruding plate close to the holding part, and the return spring is in a compressed state.

4. The anti-jump protection device for locomotive couplers according to claim 3, characterized in that: The handle is an L-shaped handle. The two ends of the L-shaped handle are round shafts with lengths of 115 mm and 35 mm respectively. The pin shaft hole of the positioning pin is 48 mm away from the end of the long axis of the handle. The diameter of the handle is 10 mm and the end of the long axis is provided with a chamfer with a radius of 5 mm.

5. The anti-jump protection device for locomotive couplers according to claim 3, characterized in that: The distance between the positioning pin and the holding part is not less than the distance between the two protruding plates of the support seat.

6. The anti-jump protection device for locomotive couplers according to claim 2, characterized in that: The thicknesses of the anti-jump main board, the rotating plate and the support seat are all 4 mm.

7. The anti-jump protection device for locomotive couplers according to claim 1, characterized in that: The rotating plate is an L-shaped plate. The length of the long plate of the rotating plate is 204 mm and the length of the short plate is 25 mm. The diameter of the through hole through which the pin shaft passes is 26 mm.

8. The anti-jumping protection device for locomotive couplers according to claim 1, wherein: The length and width of the groove of the anti-jump main board are both 36 mm, and the length of the straight plate is 75 mm.

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