Hook buffering device for rail locomotive

Abstract

The utility model discloses a car hook buffer device for a rail locomotive, which comprises a mounting plate, fixing bolts are arranged at four corners of the mounting plate, a fixing box is arranged at the front end of the mounting plate, a through groove is arranged at the front end of the fixing box, a connecting hook is arranged in the through groove in a penetrating manner, a plurality of positioning rods are arranged in the fixing box, and the positioning rods are connected with the connecting hook. The outer walls of the multiple positioning rods are jointly and slidably connected with a movable plate, the tail ends of the connecting hooks are connected with the movable plate, an air bag is arranged at the bottom of the fixed box, two symmetrically-arranged box bodies are arranged at the bottom of the fixed box, and inflation mechanisms used for inflating the air bag are arranged in the two box bodies. And driving mechanisms for driving the inflating mechanism are arranged on the inner walls of the two sides of the fixed box. According to the utility model, the movable plate moves, so that the counter-acting force generated by the plurality of buffer springs to connection is primarily counteracted, and the counter-acting force caused by connection is prevented from directly acting on the connecting hook to damage the connecting hook.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rail locomotive technology, especially a rail locomotive car coupler buffer device. BACKGROUND

[0002] Rail locomotive is self-propelled vehicle that is not loaded with business load and is used to pull or push railway vehicle, commonly known as locomotive. According to the calculation of fuel consumption per ton-kilometer, the locomotive is the least energy-consuming land transport tool.

[0003] The rail locomotive generally uses the car coupler when connecting with the carriage, but the car coupler in the prior art generally does not have a buffer device, when two car couplers are connected, the reaction force caused by the connection directly acts on the car coupler, which may cause damage to the car coupler, thereby reducing the service life of the car coupler. UTILITY MODEL CONTENT

[0004] The utility model discloses a rail locomotive car coupler buffer device to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A rail locomotive car coupler buffer device, comprising a mounting plate, the mounting plate is provided with a fixed bolt at four corners, the mounting plate is provided with a fixed box at the front end, the fixed box is provided with a through slot at the front end, the through slot is provided with a connecting hook, the fixed box is provided with a plurality of positioning rods, a plurality of the positioning rods are provided with a moving plate in common on the outer wall and are connected in sliding mode, the connecting hook is connected with the moving plate at the tail end, the fixed box is provided with an air bag at the bottom, the fixed box is provided with two symmetrically arranged box bodies at the bottom, the two box bodies are provided with a gas charging mechanism for charging the air bag, the inner walls of the two sides of the fixed box are provided with a driving mechanism for driving the gas charging mechanism.

[0007] Preferably, the gas charging mechanism comprises a connecting rod connected in sliding mode through the upper end of the box body, one end of the connecting rod in the box body is provided with a piston, the piston is connected in sliding mode with the inner wall of the box body, and the box body and the air bag are connected in communication through a communication pipe.

[0008] Preferably, the driving mechanism comprises a mounting seat provided on the inner wall of the fixed box, the mounting seat is provided with a rotating shaft, the outer wall of the rotating shaft is provided with two symmetrically arranged cams, the upper end of the connecting rod is provided with a matching plate, and the outer walls of the two cams are connected in sliding mode with the matching plate.

[0009] Preferably, the two side walls of the moving plate are provided with toothed plates, the outer walls of the two rotating shafts are provided with gears, and the gears on the same side are engaged with the toothed plates.

[0010] Preferably, the upper end of the box body and the matching plate are elastically connected through a reset spring, and the reset spring is sleeved on the outer wall of the connecting rod.

[0011] Preferably, the moving plate and the inner bottom of the fixed box are elastically connected through a plurality of buffer springs, and the plurality of buffer springs are respectively sleeved on the outer walls of a plurality of positioning rods.

[0012] The utility model discloses beneficial effects:

[0013] 1. By making the moving plate move, the plurality of buffer springs can initially offset the reaction force generated by the connection, so as to avoid the direct action of the reaction force caused by the connection on the connecting hook and cause damage to the connecting hook.

[0014] 2. By extruding the gas in the box into the air bag, the air bag is inflated and contacted with the moving plate, so as to secondarily buffer the connecting hook on the moving plate, achieve the effect of fully protecting the connecting hook, and improve the service life of the connecting hook. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure front view schematic drawing of the utility model;

[0016] Fig. 2 It is the overall structure cross section left view schematic drawing of the utility model;

[0017] Fig. 3 It is the overall structure cross section right view schematic drawing of the utility model.

[0018] In the drawing: 1 mounting plate, 2 fixed bolt, 3 fixed box, 4 through slot, 5 connecting hook, 6 moving plate, 7 positioning rod, 8 buffer spring, 9 air bag, 10 box body, 11 communication pipe, 12 connecting rod, 13 matching plate, 14 mounting seat, 15 cam, 16 gear, 17 toothed plate. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0021] Referring to Figs. 1-3 A car coupler buffer device for track locomotive, including mounting plate 1, mounting plate 1 four corners are equipped with fixed bolt 2, mounting plate 1 front end is equipped with fixed box 3, and the front end of fixed box 3 is provided with through slot 4, and the connecting hook 5 is penetrated in the through slot 4, and the fixed box 3 is equipped with multiple positioning rods 7, and the outer wall of multiple positioning rods 7 is slidably connected with moving plate 6, and the tail end of connecting hook 5 is connected with moving plate 6, and the bottom of fixed box 3 is equipped with air bag 9, and the bottom of fixed box 3 is equipped with two symmetrically arranged box bodies 10, and the two box bodies 10 are both equipped with inflation mechanism for inflating air bag 9, and the inflation mechanism includes connecting rod 12 slidably connected on the upper end of box body 10, and one end of connecting rod 12 located in the box body 10 is provided with piston, and the piston is slidably connected with the inner wall of box body 10, and the box body 10 is communicated with air bag 9 through communication pipe 11, and the gas in box body 10 is extruded into air bag 9, so that air bag 9 expands and contacts moving plate 6, thereby the connecting hook 5 on moving plate 6 is secondarily buffered, the effect of fully protecting connecting hook 5 is achieved, and the service life of connecting hook 5 is improved.

[0022] The inner wall of the both sides of fixed box 3 is equipped with drive mechanism for driving inflation mechanism, and the drive mechanism includes mounting seat 14 arranged on the inner wall of fixed box 3, and the mounting seat 14 is equipped with rotating shaft, and the outer wall of rotating shaft is equipped with two symmetrically arranged cams 15, and the upper end of connecting rod 12 is equipped with matching plate 13, and the outer wall of two cams 15 is slidably connected with matching plate 13.

[0023] The side wall of the both sides of moving plate 6 is equipped with toothed plate 17, and the outer wall of the both rotating shafts is equipped with gear 16, and the gears 16 on the same side are engaged with toothed plate 17.

[0024] The upper end of matching plate 13 and box body 10 is elastically connected through reset spring, and the reset spring is sleeved on the outer wall of connecting rod 12.

[0025] The inner bottom between moving plate 6 and fixed box 3 is elastically connected through multiple buffer springs 8, and the multiple buffer springs 8 are respectively sleeved on the outer wall of multiple positioning rods 7, so that the multiple buffer springs 8 can first offset the reaction force generated by connection, and the reaction force directly acting on connecting hook 5 is avoided, and connecting hook 5 is damaged.

[0026] The utility model discloses when connecting the hook 5, utilize the sliding connection between movable plate 6 and multiple positioning rod 7 and the setting of multiple buffer spring 8 between movable plate 6 and fixed box 3, the counterforce of hook 5 connection drive, make movable plate 6 produce the movement, and multiple buffer spring 8 carry out the initial offset to the counterforce of connection, avoid the counterforce of connection and directly act on hook 5, cause the damage to hook 5,

[0027] With the movement of movable plate 6, the gear plate 17 on the side wall of movable plate 6 moves, the meshing of the gear plate 17 and the gear 16 is utilized to rotate the gear 16 to drive the two cams 15 on the outer wall of the rotating shaft to rotate, the sliding connection of the cam 15 and the matching plate 13 is utilized, the penetrating sliding connection of the connecting rod 12 and the box body 10 is utilized, the cam 15 extrudes the connecting rod 12 to move, so that the piston moves in the box body 10, the gas in the box body 10 is extruded into the air bag 9, the air bag 9 is inflated and contacted with the movable plate 6, so that the hook 5 on the movable plate 6 is secondly buffered, the effect that the hook 5 is fully protected is achieved, the service life of the hook 5 is improved, and when the connection is finished, all elements return to the starting position.

[0028] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A coupler buffer device for a rail vehicle, comprising a mounting plate (1), characterized in that, The mounting plate (1) four corners are equipped with fixing bolts (2), the mounting plate (1) front end is equipped with fixed box (3), the fixed box (3) front end is equipped with through slot (4), the through slot (4) is equipped with the connecting hook (5) in the through, the fixed box (3) is equipped with a plurality of positioning rods (7), a plurality of the positioning rod (7) outer wall is connected with the moving plate (6) in common sliding, the connecting hook (5) end is connected with moving plate (6), the fixed box (3) tank bottom is equipped with air bag (9), the fixed box (3) tank bottom is equipped with two symmetrical box (10), two the box (10) are equipped with the inflation mechanism for inflating air bag (9) in, the fixed box (3) both sides inner wall is equipped with the drive mechanism for driving inflation mechanism.

2. The coupler draft gear for a rail vehicle as set forth in claim 1, wherein The inflation mechanism includes the connecting rod (12) that is slidably connected through the upper end of the box (10), one end of the connecting rod (12) located in the box (10) is provided with a piston, the piston is slidably connected with the inner wall of the box (10), the box (10) and the air bag (9) are communicated through the communication pipe (11).

3. The coupler draft gear for a rail vehicle as set forth in claim 2, wherein The drive mechanism includes the mounting seat (14) provided on the inner wall of the fixed box (3), the mounting seat (14) is provided with a rotating shaft, the rotating shaft is provided with two symmetrical cams (15) on the outer wall, the connecting rod (12) upper end is provided with a matching plate (13), the outer wall of the two cams (15) is slidably connected with the matching plate (13).

4. The coupler draft gear for a rail vehicle as set forth in claim 3, wherein The both sides of the moving plate (6) are provided with a toothed plate (17), and the outer wall of the two rotating shafts is provided with a gear (16), and the gear (16) and the toothed plate (17) on the same side are engaged.

5. The coupler draft gear for a rail vehicle as set forth in claim 4, wherein The matching plate (13) and the upper end of the box (10) are elastically connected by the reset spring, and the reset spring is sleeved on the outer wall of the connecting rod (12).

6. The coupler draft gear for a rail vehicle as set forth in claim 5, wherein The moving plate (6) and the inner bottom of the fixed box (3) are elastically connected by a plurality of buffer springs (8), and the plurality of buffer springs (8) are respectively sleeved on the outer wall of the plurality of positioning rods (7).

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