Transition traction device of railway vehicle

Abstract

The utility model relates to the technical field of transition traction of railway vehicles, and discloses a transition traction device of a railway vehicle, which comprises a first mounting seat, a second mounting seat and a third mounting seat, the mounting seat II is used for connecting a railway vehicle; the buffering mechanism comprises a sliding rod arranged on the first mounting seat and is used for relieving impact force generated when the railway vehicle is dragged and stopped; the buffering mechanism further comprises a threaded structure which is fixedly arranged at the end, away from the first mounting base, of the sliding rod in a connected mode. According to the utility model, when the railway vehicle stops, the impact force of the railway vehicle drives the sliding rod on the connecting block to slide on the frame body through the mounting seat II and compresses the spring, so that the impact force of the railway vehicle can be effectively reduced, and vibration and impact between vehicle bodies can be absorbed and relieved through the compression action of the spring; and the protection of vehicles and rail facilities is facilitated, the abrasion and damage in the transportation process are reduced, the running stability of the vehicles can be improved, and the stability and safety of the vehicles in the parking process are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rail vehicle technical field especially relates to a transition traction device of rail vehicle. BACKGROUND

[0002] Due to the yard line change during the static and dynamic debugging of the subway vehicle, the problems such as vehicle rail change and vehicle hoisting are involved, in this process, the public engineering vehicle for traction and the static line subway vehicle are effectively connected in series, and various traction changes are realized.

[0003] But in actual use, when the rail vehicle stops, a greater impact force is easily caused, the traction device is easily damaged due to the impact force, thereby reducing the service life. UTILITY MODEL CONTENTS

[0004] The utility model relates to a transition traction device of rail vehicle.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a transition traction device of rail vehicle, comprising:

[0006] The mounting seat one is used for connecting the traction vehicle;

[0007] The mounting seat two is used for connecting the rail vehicle;

[0008] The buffer mechanism comprises a sliding rod arranged on the mounting seat one and is used for reducing the impact force when the rail vehicle is stopped; The buffer mechanism further comprises: a threaded structure fixedly arranged on the end of the sliding rod away from the mounting seat one; A connecting block is fixedly arranged on the end of the threaded structure away from the mounting seat one and is used for connecting the mounting seat two; A spring is fixedly arranged on the frame and the sliding rod is arranged in the spring, and is used for reducing the impact force when the rail vehicle is stopped; A fixed block is fixedly arranged on the end of the spring away from the frame and is used for supporting the spring; A threaded sleeve is threadedly connected to the threaded structure, and the fixed block is rotatably connected to the threaded sleeve, and is used for adjusting the size of the spring reduction;

[0009] The swing structure comprises a frame arranged on the mounting seat one and is used for swinging when the rail vehicle turns;

[0010] The plug-in part is used for connecting the mounting seat one and the mounting seat two.

[0011] As a further description of the above technical scheme: the sliding rod penetrates the fixed block, the sliding rod penetrates the frame, and the sliding rod penetrates the threaded sleeve.

[0012] As a further description of the above technical scheme: the swing structure further comprises:

[0013] The fixed plate is arranged on one side of the mounting seat 1 close to the mounting seat 2, and is used for supporting the frame body;

[0014] The sliding block is arranged on one side of the frame body close to the mounting seat 1, and is used for swinging when the rail vehicle passes the curve;

[0015] The limiting groove is arranged on the fixed plate, and the sliding block is slidingly connected to the limiting groove, and is used for limiting the sliding block.

[0016] As a further description of the above technical scheme: the shape of the sliding block is T-shaped, and the limiting groove is arranged to match the T-shaped sliding block.

[0017] As a further description of the above technical scheme: the plug-in part comprises:

[0018] The threaded plug pin is slidingly arranged in the through hole on one side of the mounting seat 2 close to the mounting seat 1, and is used for connecting the towing vehicle and the rail vehicle.

[0019] The nut is threadedly connected to the lower end of the threaded plug pin, and is used for fixing the threaded plug pin.

[0020] As a further description of the above technical scheme: the threaded plug pin penetrates the through hole on the connecting block, and the threaded plug pin penetrates the through hole on one side of the mounting seat 2.

[0021] The utility model has the advantages of:

[0022] 1、In the utility model, when the rail vehicle stops, the impact force drives the sliding rod on the connecting block to slide on the frame body through the mounting seat 2, and the spring is compressed at the same time, which can effectively reduce the impact force of the rail vehicle, and the compression of the spring can absorb and relieve the vibration and impact between the car bodies, which not only helps to protect the vehicle and the rail facilities, reduces the wear and damage in the transportation process, but also improves the stability of the vehicle operation, ensures the stability and safety of the vehicle in the parking process.

[0023] 2、In the utility model, through the rotation of the connecting block on the threaded plug pin and the sliding of the sliding block on the frame body in the limiting groove, the towing vehicle can drive the rail vehicle to swing correspondingly according to the curvature of the track, so that the towing vehicle can adapt to the curvature change of different tracks, ensure the stability and safety of the vehicle when driving on the curve, and reduce the risk of derailment or damage of the vehicle due to improper turning. DRAWINGS

[0024] Figure 1 The utility model provides a transition traction device for a rail vehicle Figure 1 ;

[0025] Figure 2This is a schematic diagram of the structure of a transition traction device for a rail vehicle proposed in this utility model. Figure 2 ;

[0026] Figure 3 This is an exploded view of a transition traction device for a rail vehicle proposed in the present utility model;

[0027] Figure 4 This is a schematic diagram of the partial structure of a transition traction device for a rail vehicle proposed by the utility model.

[0028] Legend:

[0029] 1. Mounting base 1; 2. Mounting base 2; 301. Sliding rod; 302. Threaded structure; 303. Spring; 304. Fixing block; 305. Threaded sleeve; 306. Connecting block; 401. Fixing plate; 402. Limiting groove; 403. Frame; 404. Slider; 501. Threaded pin; 502. Nut. DETAILED DESCRIPTION

[0030] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0031] Example 1:

[0032] Refer to Figures 1 to 4 The utility model provides a transition traction device for a rail vehicle, comprising a mounting seat 1 for connecting to a traction vehicle and a mounting seat 2 for connecting to a rail vehicle. The mounting seat 1 includes a buffer mechanism, including a slide bar 301 arranged on the mounting seat 1, for mitigating the impact force when the rail vehicle is pulled to a stop; the buffer mechanism also includes: a threaded structure 302, fixedly arranged on the end of the slide bar 301 away from the mounting seat 1; a connecting block 306, fixedly arranged on the threaded structure 302 away from the mounting seat 1 One end of the spring 303 is used to connect to the mounting seat 2; one end of the spring 303 is fixedly arranged on the frame 403, and the slide rod 301 is arranged in the spring 303, which is used to reduce the impact force when the rail vehicle stops; the fixing block 304, the spring 303 is fixedly arranged on the spring 303 at one end away from the frame 403, which is used to support the spring 303; the threaded sleeve 305 is threadedly connected to the threaded structure 302, and the fixing block 304 is rotatably connected to the threaded sleeve 305, which is used to adjust the magnitude of the mitigation effect of the spring 303;

[0033] It should be noted that the shape of the mounting base 1 is U-shaped, and the shape of the mounting base 2 is U-shaped;

[0034] The surface of the threaded sleeve 305 is provided with a convex strip for increasing the friction when the threaded sleeve 305 is screwed;

[0035] As a preferred embodiment, the sliding rod 301 penetrates the fixed block 304, the sliding rod 301 penetrates the frame 403, and the sliding rod 301 penetrates the threaded sleeve 305.

[0036] Embodiment 2:

[0037] On the basis of embodiment 1, in order to further improve the usability of the traction device, the mounting seat 1 is provided with a swing structure;

[0038] As a preferred embodiment, the swing structure includes a frame 403 arranged on the mounting seat 1, which is used for swinging when the rail vehicle turns;

[0039] As a preferred embodiment, the swing structure further includes a fixed plate 401 fixedly arranged on one side of the mounting seat 1 close to the mounting seat 2, which is used for supporting the frame 403; a sliding block 404 fixedly arranged on one side of the frame 403 close to the mounting seat 1, which is used for swinging when the rail vehicle turns; and a limiting groove 402 arranged on the fixed plate 401, and the sliding block 404 is slidingly connected to the limiting groove 402, which is used for limiting the sliding block 404;

[0040] It should be noted that the frame 403 is provided with a cavity in the middle, and one end of the sliding rod 301 is arranged in the cavity of the frame 403;

[0041] As a preferred embodiment, the shape of the sliding block 404 is T-shaped, and the limiting groove 402 is arranged to match the T-shaped sliding block 404.

[0042] Embodiment 3:

[0043] On the basis of embodiment 2, in order to further improve the usability of the traction device, the mounting seat 1 is provided with a plug-in component;

[0044] As a preferred embodiment, the plug-in component is used to connect the mounting seat 1 and the mounting seat 2;

[0045] As a preferred embodiment, the plug-in component includes a threaded bolt 501 slidingly arranged in a through hole on one side of the mounting seat 2 close to the mounting seat 1, which is used to connect the traction vehicle and the rail vehicle; and a nut 502 threadedly connected to the lower end of the threaded bolt 501, which is used to fix the threaded bolt 501;

[0046] As a preferred embodiment, the threaded bolt 501 penetrates the through hole on the connecting block 306, and the threaded bolt 501 penetrates the through hole on one side of the mounting seat 2.

[0047] Need to explain, the diameter of the threaded bolt 501 is less than the diameter of the mounting seat two 2 and the through hole of the connecting block 306.

[0048] Working principle: in use, first, the mounting seat one 1 is connected on the tractor through bolt, then the mounting seat two 2 is connected on the rail vehicle through bolt, then the threaded bolt 501 is inserted into the through hole on one side of the mounting seat two 2 and the through hole on the connecting block 306, then the nut 502 is fixed on the threaded bolt 501 through threaded connection, then the tractor pulls the rail vehicle to move on the track, when the track is curved, the connecting block 306 rotates on the threaded bolt 501 and the sliding block 404 on the frame 403 slides on the limiting groove 402, so that the tractor drives the rail vehicle to swing according to the curvature of the track, so that the tractor can drive the rail vehicle according to different track curvature, when the rail vehicle stops, the impact force of the rail vehicle drives the sliding rod 301 on the connecting block 306 to slide on the frame 403 and compresses the spring 303 at the same time, which slows down the impact force of the rail vehicle, so as to absorb and relieve the vibration and impact between the car bodies, effectively reduce the wear and damage of the equipment in transportation, when the weight, speed and running condition of the rail vehicle are different, the threaded sleeve 305 can be twisted, the threaded sleeve 305 moves through threaded connection on the threaded structure 302 and pulls and compresses the spring 303 at the same time, the fixing block 304 rotates on the threaded sleeve 305, so as to be widely used in various types of rail vehicles, and ensure the stability and safety of the vehicle during parking.

[0049] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A transition traction device for a rail vehicle, characterized by: The utility model relates to a kind of connecting device of traction vehicle and rail vehicle, including: Mounting seat one (1) for connecting traction vehicle; Mounting seat two (2) for connecting rail vehicle; Buffer mechanism, including slide rod (301) arranged on mounting seat one (1), for damping impact force when rail vehicle is pulled to stop;The buffer mechanism further includes: threaded structure (302) is fixedly connected and arranged on the end of slide rod (301) away from mounting seat one (1);Connecting block (306) is fixedly connected and arranged on the end of threaded structure (302) away from mounting seat one (1), for connecting mounting seat two (2);Spring (303) is fixedly connected and arranged on frame (403) one end, and slide rod (301) is arranged in spring (303), for damping impact force when rail vehicle stops;Fixed block (304) is fixedly connected and arranged on the end of spring (303) away from frame (403), for supporting spring (303);Threaded sleeve (305) is threadedly connected on threaded structure (302), and fixed block (304) is rotatably connected on threaded sleeve (305), for adjusting the size of damping effect of spring (303) Swing structure, including frame (403) arranged on mounting seat one (1), for swinging when rail vehicle is pulled to turn; Plug-in component, for connecting mounting seat one (1) and mounting seat two (2).

2. A transition traction device for a rail vehicle according to claim 1, characterized in that: The slide rod (301) is through fixed block (304), the slide rod (301) is through frame (403), the slide rod (301) is through threaded sleeve (305).

3. A transition traction device for a rail vehicle according to claim 2, characterized in that: The swing structure further includes: Fixed plate (401) is fixedly connected and arranged on the side of mounting seat one (1) close to mounting seat two (2), for supporting frame (403); Slide block (404) is fixedly connected and arranged on the side of frame (403) close to mounting seat one (1), for swinging when rail vehicle turns; Limiting groove (402) is arranged on fixed plate (401), and slide block (404) is slidably connected in limiting groove (402), for limiting slide block (404).

4. A transition traction device for a rail vehicle according to claim 3, characterized in that: The shape of the slide block (404) is T-shaped, and the limiting groove (402) is configured to match the T-shaped slide block (404).

5. A transition traction device for a rail vehicle according to claim 4, characterized in that: The plug-in component includes: Threaded bolt (501) is slidably arranged in the through hole on the side of mounting seat two (2) close to mounting seat one (1), for connecting traction vehicle and rail vehicle; Nut (502) is threadedly connected on the lower end of threaded bolt (501), for fixing threaded bolt (501).

6. A transition traction device for a rail vehicle according to claim 5, characterized in that: The threaded bolt (501) is through the through hole on connecting block (306), and the threaded bolt (501) is through the through hole on the side of mounting seat two (2).

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