Round shaft car coupler of rail-road car

Abstract

The utility model relates to a circular shaft car coupler of a rail-road car, and belongs to an accessory structure of the rail-road car. According to the technical scheme, the car coupler lifting device comprises a rotating circular shaft, bearings, a car coupler frame, a lifting mechanism and a guiding mechanism, the rotating circular shaft is a metal cylindrical shaft, a positioning shaft hole is formed in the middle of the rotating circular shaft, the bearings are arranged at the two ends of the positioning shaft hole respectively, a positioning shaft is arranged between the two bearings, and the upper portion and the lower portion of the positioning shaft are fixed to the car coupler frame respectively. The car coupler frame is arranged at the lifting end of the lifting structure, the lifting structure is arranged at the car head or the car tail of the rail-road car, and a guide mechanism is further arranged at the car coupler frame and the car head or the car tail of the rail-road car. The height of the coupler is adjustable, so that the coupler can be conveniently connected with towed vehicles at connection positions with different heights; a rotatable circular shaft is adopted as a connecting car coupler, a U-shaped pin structure can be used for being rapidly connected with other vehicles, and the traction driving device is suitable for traction driving of vehicles with various different car coupler structures.

Description

TECHNICAL FIELD

[0001] The utility model relates to a round shaft car hook of a highway-railway dual-purpose vehicle and belongs to the accessory structure of the highway-railway dual-purpose vehicle. BACKGROUND

[0002] The highway-railway dual-purpose vehicle is a new type of carrying or traction tool vehicle on the highway and the railway, which can be converted in the form on the highway and can also be used to pull the locomotive on the railway to pull the track vehicle.

[0003] The current highway-railway dual-purpose vehicle mainly aims at pulling the track vehicle, and the used car hook is a standardized car hook.

[0004] When the vehicle is used to pull some mine track equipment, for example, the mine track flat car, the car hook is usually of a customized structure, and a fixed round shaft structure is used as the connecting structure, so that the special connecting structure needs to be connected with the standard car hook when the standard traction locomotive is used to pull.

[0005] In addition, the height of the standard car hook cannot be adjusted, which is inconvenient for the use of the converted car hook. INVENTION CONTENTS

[0006] In view of the above problems, the utility model provides a round shaft car hook of a highway-railway dual-purpose vehicle to solve the connection problem of the highway-railway dual-purpose traction vehicle and the pulled equipment.

[0007] To achieve the above purpose, the utility model adopts the technical scheme that:

[0008] The round shaft car hook of the highway-railway dual-purpose vehicle comprises a rotating round shaft, a bearing, a car hook frame, a lifting mechanism and a guide mechanism, the rotating round shaft is a metal cylindrical shaft, the middle part is a positioning shaft hole, bearings are arranged at both ends of the positioning shaft hole, a positioning shaft is arranged between the two bearings, the upper part and the lower part of the positioning shaft are fixed to the car hook frame, the car hook frame is arranged at the lifting end of the lifting mechanism, the lifting mechanism is arranged at the front or rear position of the highway-railway dual-purpose vehicle, and the car hook frame and the front or rear position of the highway-railway dual-purpose vehicle are also provided with the guide mechanism.

[0009] According to the round shaft car hook of the highway-railway dual-purpose vehicle, the inner diameter of the positioning shaft hole of the rotating round shaft is less than one third of the outer diameter of the rotating round shaft, the bearings are arranged in the expanded holes at both ends of the positioning shaft hole, and the bearings are conical roller bearings.

[0010] According to the round shaft car hook of the highway-railway dual-purpose vehicle, the car hook frame comprises a bottom supporting plate, a vertical plate and an upper fixed plate, the side surface of the upper fixed plate is in the shape of Z, the lower part of the vertical plate is fixed to the upper part of the vertical plate, and the upper part and the lower part of the positioning shaft are arranged in the holes between the upper part of the vertical plate and the bottom supporting plate.

[0011] According to the round shaft coupler of the dual-purpose vehicle, the lifting structure comprises a lifting slide plate, a pair of slide plate guide grooves and a pair of pull rods, the lower part of the pull rod is connected with the stand plate, the rear part of the stand plate is fixed on the lifting slide plate, the slide plate guide groove is provided with an inner groove, the inner grooves of the two slide plate guide grooves are opposite to each other, the two ends of the lifting slide plate are embedded in the inner grooves of the slide plate guide grooves, the slide plate guide grooves are fixed on the dual-purpose vehicle, and the top part of the pull rod is connected with the lifting power mechanism.

[0012] According to the round shaft coupler of the dual-purpose vehicle, the lifting power mechanism comprises a lifting plate at the top part of the pull rod, two lifting hydraulic cylinders and a connecting seat for fixing the lifting hydraulic cylinders, the connecting seat is provided with a pair of ear plates for being connected with the bottom part of the lifting hydraulic cylinders in a hinged manner, the piston rod end of the lifting hydraulic cylinder is connected with the lifting plate, the lifting hydraulic cylinders are symmetrically arranged with respect to the middle part of the lifting plate, and the two pull rods are symmetrically arranged on the two sides of the center of the lifting plate.

[0013] According to the round shaft coupler of the dual-purpose vehicle, the upper fixed plate is further provided with a dismounting and mounting plate, the dismounting and mounting plate is divided into a thick end provided with a lower circular groove and a thin end provided with a connecting hole, the thin end is connected with the upper part of the upper fixed plate in a bolted manner, the circular groove of the thick end is embedded in the top part of the positioning shaft, the circular groove is further provided with a through hole, the top part of the positioning shaft is provided with an upper screw hole, and the through hole and the upper screw hole are coaxial to install a fixing bolt to fix the positioning shaft and the dismounting and mounting plate.

[0014] According to the round shaft coupler of the dual-purpose vehicle, the bottom part of the positioning shaft is provided with a protruding flange, the flange supports the fixed ring of the bearing, and the rotating ring of the bearing is in interference fit with the positioning shaft hole of the rotating round shaft.

[0015] The advantages of the present application are that:

[0016] The height of the coupler can be adjusted, and the coupler is convenient to connect with a towed vehicle at different connection positions;

[0017] The rotating round shaft is used as the connecting coupler, the U-shaped pin structure can be used to quickly connect with other vehicles, and the vehicle can be towed by vehicles with different coupler structures;

[0018] The device can be installed on an existing vehicle to reduce the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural diagram of the present application,

[0020] Figure 2 is a side view of the present application,

[0021] Figure 3 is a side view of the coupler frame of the present application,

[0022] Figure 4It is the top view of the car hook frame of the utility model,

[0023] Figure 5 It is the side structure view of the rotating round shaft of the utility model.

[0024] Reference signs: 1 rotating round shaft, 2 bearing, 3 locating shaft, 31 flange, 4 car hook frame, 41 bottom supporting plate, 42 vertical plate, 43 upper fixed plate, 44 dismounting and mounting plate, 5 lifting mechanism, 51 lifting sliding plate, 52 sliding plate guide slot, 53 pull rod, 54 lifting plate, 55 lifting hydraulic cylinder, 56 connecting seat, 6 public and railway dual-purpose vehicle. DETAILED DESCRIPTION

[0025] The structure of the utility model is further explained as follows:

[0026] The utility model discloses a public and railway dual-purpose vehicle round shaft car hook for being connected with the track vehicle or ground travel vehicle to be towed,

[0027] Specific structure as Figure 1 And Figure 2 Shown, including rotating round shaft 1, bearing, car hook frame 4, lifting mechanism and guide mechanism. Through the U-shaped pin or other connecting pieces, the rotating round shaft is connected, the car hook frame fixes the rotating round shaft, and the car hook frame is driven up and down by the lifting mechanism and the guide mechanism.

[0028] The rotating round shaft 1 is a metal cylindrical shaft, the middle part is a locating shaft hole, the two ends of the locating shaft hole are provided with bearings respectively, the middle part of the two bearings is a locating shaft 3, the upper part and the lower part of the locating shaft 3 are fixed on the car hook frame 4 respectively, the car hook frame 4 is arranged at the lifting end of the lifting structure and the lifting end of the lifting mechanism, and the lifting mechanism and the guide mechanism are arranged at the head or tail position of the public and railway dual-purpose vehicle.

[0029] As Figure 5 Shown, the inner diameter of the locating shaft hole of the rotating round shaft 1 is less than one third of the outer diameter of the rotating round shaft 1, the two ends of the locating shaft hole are provided with the bearings arranged by counterboring, and the bearings are tapered roller bearings. The rotating round shaft is connected in a rotating mode, the proper rotation of the connecting piece is facilitated, and the wear caused by single position contact is also avoided.

[0030] Further, the bottom of the locating shaft is provided with a protruding flange 31, the flange 31 supports the fixing ring of the bearing, and the rotating ring of the bearing is in interference fit with the locating shaft hole of the rotating round shaft 1. The flange supports the rotating round shaft, avoiding the falling of the rotating round shaft to cause rotation failure.

[0031] As Figure 3 And Figure 4The shown vehicle coupling bracket 4 includes a bottom support plate 41, a vertical plate 42 and an upper fixing plate 43, the bottom support plate is fixed at the lower part of the vertical plate 42, the side of the upper fixing plate 43 is Z-shaped, the lower horizontal part is fixed at the upper part of the vertical plate 42, and the upper horizontal part is provided with a hole for mounting the upper end and the lower end of the positioning shaft 3. The vehicle coupling bracket effectively connects the rotating circular shaft to ensure the connection strength.

[0032] The upper fixing plate 43 is further provided with a dismounting and mounting plate 44, the dismounting and mounting plate 44 is divided into a thick end provided with a lower circular groove and a thin end provided with a connecting hole, the thin end is connected to the upper horizontal part of the upper fixing plate 43 by a bolt, the circular groove at the lower part of the thick end is embedded into the top part of the positioning shaft 3, the circular groove is further provided with a through hole, the top part of the positioning shaft 3 is provided with an upper screw hole, and a fixing bolt is installed when the through hole is coaxial with the upper screw hole to fix the positioning shaft 3 and the dismounting and mounting plate 44. The dismounting and mounting plate 44 is convenient for dismounting to replace the rotating circular shaft.

[0033] As shown in the figure, Figure 1 The lifting structure includes a lifting slide plate 51, a pair of slide plate guide grooves 52 and a pair of pull rods 53, the lower part of the pull rod 53 is connected to the vertical plate 42, the rear part of the vertical plate 42 is fixed on the lifting slide plate 51, the slide plate guide groove 52 is provided with an inner groove, the inner grooves of the two slide plate guide grooves 52 are opposite to each other, the two ends of the lifting slide plate 51 are embedded into the inner grooves of the slide plate guide grooves 52, the slide plate guide grooves 52 are fixed on the truck, and the top part of the pull rod 53 is connected to the lifting power mechanism.

[0034] The lifting slide plate and the vertical plate are the same structure, or can be separately welded and connected, the lifting of the lifting slide plate drives the smooth rising and falling of the mounting bracket.

[0035] The lifting power mechanism of the device includes a lifting plate 54 at the top part of the pull rod 53, two lifting hydraulic cylinders 55 and a connecting seat for fixing the lifting hydraulic cylinders 55, the connecting seat is provided with a pair of ear plates for being connected to the bottom part of the lifting hydraulic cylinders 55 by hinging, the piston rod end part of the lifting hydraulic cylinder 55 is connected to the lifting plate 54, the lifting hydraulic cylinders 55 are symmetrically arranged relative to the middle part of the lifting plate 54, and the two pull rods 53 are symmetrically arranged on the two sides of the center of the lifting plate 54.

[0036] The symmetrically arranged lifting hydraulic cylinders can adjust the height of the mounting bracket and the rotating circular shaft to match the connection height of the towed vehicle at different heights, so as to avoid the change of the connection position load caused by the high and low connection.

[0037] The height of the vehicle coupling of the device is adjustable, which is convenient for being connected to the towed vehicle at different connection positions; the rotating circular shaft is used as the connecting vehicle coupling, which can be quickly connected to other vehicles by using a U-shaped pin structure, is suitable for the vehicle traction driving with various vehicle couplings, the device can be installed and improved on the existing vehicle, and the use cost can be reduced.

Claims

1. A round shaft drawbar for a car-bus, characterized in that, The utility model discloses a lifting mechanism for the rail vehicle, which comprises a rotating round shaft (1), bearings, a coupler bracket (4), a lifting mechanism and a guiding mechanism.

2. The amphibian round shaft drawbar according to claim 1, characterized in that The inner diameter of the positioning shaft hole of the rotating round shaft (1) is less than one third of the outer diameter of the rotating round shaft (1), and the two ends of the positioning shaft hole are provided with counterbores for placing the bearings.

3. The amphibian round shaft drawbar according to claim 1, characterized in that The coupler bracket (4) comprises a bottom supporting plate (41), a vertical plate (42) and an upper fixing plate (43), the bottom supporting plate is fixed to the lower part of the vertical plate (42), the side of the upper fixing plate (43) is Z-shaped, the lower part is fixed to the upper part of the vertical plate (42), and a hole is formed between the upper horizontal part and the bottom supporting plate (41) for mounting the upper end and the lower end of the positioning shaft (3).

4. The amphibian round shaft drawbar according to claim 3, characterized in that The lifting mechanism comprises a lifting sliding plate (51), a pair of sliding plate guiding grooves (52) and a pair of pull rods (53), the lower part of the pull rod (53) is connected to the vertical plate (42), the rear part of the vertical plate (42) is fixed to the lifting sliding plate (51), the sliding plate guiding groove (52) is provided with an inner recess, the inner recesses of the two sliding plate guiding grooves (52) are opposite to each other, the two ends of the lifting sliding plate (51) are embedded in the inner recesses of the sliding guiding grooves, the sliding plate guiding groove (52) is fixed to the rail vehicle, and the top of the pull rod (53) is connected to a lifting power mechanism.

5. The amphibian round shaft drawbar according to claim 4, characterised in that The lifting power mechanism comprises a lifting plate (54) at the top of the pull rod (53), two lifting hydraulic cylinders (55) and a connecting seat for fixing the lifting hydraulic cylinders (55), the connecting seat is provided with a pair of ear plates for being connected to the bottom of the lifting hydraulic cylinders (55) through hinging, the piston rod end of the lifting hydraulic cylinder (55) is connected to the lifting plate (54), the lifting hydraulic cylinders (55) are symmetrically arranged with respect to the middle of the lifting plate (54), and the two pull rods (53) are symmetrically arranged on the two sides of the center of the lifting plate (54).

6. The amphibian round shaft drawbar according to claim 3, characterized in that The upper fixing plate (43) is further fixed with a dismounting and mounting plate (44), the dismounting and mounting plate (44) is divided into a thick end provided with a lower circular groove and a thin end provided with a connecting hole, the thin end is connected to the upper horizontal part of the upper fixing plate (43) through bolting, the circular groove of the lower part of the thick end is embedded in the top of the positioning shaft (3), the circular groove is further provided with a through hole, the top of the positioning shaft (3) is provided with an upper screw hole, and the through hole is coaxial with the upper screw hole, so that a fixing bolt is installed to fix the positioning shaft (3) and the dismounting and mounting plate (44).

7. The amphibian round shaft drawbar according to claim 1, characterized in that The bottom of the positioning shaft is provided with a protruding flange (31), the flange (31) holds the fixing ring of the bearing, and the rotating ring of the bearing is in interference fit with the positioning shaft hole of the rotating round shaft (1).

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