Hydraulic clamp for railway wagon brake beam sliding groove wearing plate

Abstract

The utility model belongs to the field of railway vehicle maintenance tools, and particularly relates to a hydraulic clamp for a railway wagon brake beam sliding groove wearing plate. Comprising a hydraulic source, a counter-force seat and a hydraulic starting part, the hydraulic starting part comprises a cylinder body and a piston rod and is connected with a hydraulic source, and the hydraulic source controls the piston rod to stretch out or retract from the cylinder body; the first end of the counter-force base is connected with a cylinder body of the hydraulic starting part, the second end of the counter-force base is aligned with a piston rod of the hydraulic starting part, and a brake beam sliding groove wearing plate clamping space is formed between the second end of the counter-force base and the top end of the piston rod of the hydraulic starting part. When the piston rod extends out, the cylinder body is used as counter-force to support the piston rod and the counter-force seat to flatten an opening of the brake beam chute wearing plate; the brake beam sliding groove wearing plate is compressed and taken out through hydraulic pressure, the disposal time is effectively shortened, the purposes of rapidness and time saving are achieved, and the train running organization is guaranteed; the whole design is small and reasonable, carrying is convenient, and service life is long.

Description

Technical Field

[0001] The utility model belongs to the field of railway vehicle maintenance tools, and in particular relates to a hydraulic clamp for a wear plate of a railway freight car brake beam slideway. Background Art

[0002] When handling the brake beam chute wear plate failure during the inspection of railway freight trains, due to the large torque required for disassembly and assembly, the limited working space makes it difficult to handle, and there are no suitable tools. It is easy to squeeze or jump the operators when using crowbars or sharp tools. Invisibly increase the labor intensity of employees, resulting in low work efficiency and personal injury. Improper handling of the brake beam chute wear plate failure may cause poor brake relief of the brake beam. In this case, the inspector not only increases the labor intensity and safety hazards of handling the brake beam chute wear plate failure, but also reduces the maintenance efficiency of the vehicle. Utility Model Content

[0003] The utility model aims to solve the problem that when a brake beam slide groove wear plate fails, disassembly and assembly is difficult due to space constraints, which may easily cause personal injury.

[0004] The utility model provides the following technical solutions: a hydraulic clamp for a wear plate of a railway freight car brake beam slideway, comprising a hydraulic source, a reaction force seat and a hydraulic starting part;

[0005] The hydraulic starting part includes a cylinder body and a piston rod, and the hydraulic starting part is connected to a hydraulic source, and the hydraulic source controls the piston rod to extend or retract from the cylinder body;

[0006] The first end of the reaction seat is connected to the cylinder body of the hydraulic starting part, and the second end is aligned with the piston rod of the hydraulic starting part. A brake beam slide groove wear plate clamping space is formed between the second end of the reaction seat and the top end of the piston rod of the hydraulic starting part. When the piston rod is extended, the cylinder body is used as a reaction force to support the piston rod and the reaction seat to flatten the opening of the brake beam slide groove wear plate.

[0007] Furthermore, the reaction seat includes a seat body and a hook claw, the cylinder body of the hydraulic starting part is engraved with an external thread, the seat body is engraved with an internal thread, and the seat body and the cylinder body are threadedly connected; the hook claw includes a hook handle and a hook, the hook handle is fixedly connected to the seat body, and the hook is aligned with the piston rod of the hydraulic starting part.

[0008] Further, the hydraulic source is a manual hydraulic pump.

[0009] Furthermore, the diameter of the piston rod of the hydraulic starting part is 15 mm, and the diameter of the cylinder body is 45 mm; the height from the hook of the claw to the seat body is 170 mm, and the length of the hook of the claw is 22.5 mm.

[0010] Furthermore, the seat body is a circular ring, the hook handle of the hook claw is perpendicular to the hook, and the hook handle is parallel to the axis of the seat body.

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] The utility model provides a hydraulic clamp for the wear plate of the brake beam chute of a railway freight car. The piston rod and hook of the hydraulic starting part are in contact with the wear plate of the brake beam chute. The upper and lower end surfaces of the wear plate of the brake beam chute are the upper and lower fulcrums of the hydraulic clamp. The distance between the piston rod and the hook of the hydraulic starting part is reduced, and the wear plate of the brake beam chute is compressed and taken out by hydraulic pressure. The handling time is effectively improved, the purpose of being quick and time-saving is achieved, and the organization of train operation is ensured. The overall design is compact and reasonable, easy to carry, and has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a connection diagram of the hydraulic starting part and the reaction seat;

[0015] Figure 3 It is a schematic diagram of the use of the utility model.

[0016] In the figure: 1-reaction seat; 1.1-seat body; 1.2-hook claw; 2-cylinder body; 3-piston rod; 4-manual hydraulic pump; 5-brake beam slide groove wear plate. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] like Figure 1 , Figure 2 As shown: a hydraulic clamp for a wear plate of a brake beam slide groove of a railway freight car, comprising a hydraulic source, a reaction seat 1 and a hydraulic starting part; the hydraulic starting part comprises a cylinder body 2 and a piston rod 3, the hydraulic starting part is connected to the hydraulic source, and the hydraulic source controls the piston rod 3 to extend or retract from the cylinder body 2; the first end of the reaction seat 1 is connected to the cylinder body 2 of the hydraulic starting part, and the second end is aligned with the piston rod 3 of the hydraulic starting part, and a brake beam slide groove wear plate clamping space is formed between the second end of the reaction seat 1 and the top end of the piston rod 3 of the hydraulic starting part, and when the piston rod 3 is extended, the cylinder body 2 is used as a reaction force to support the piston rod 3 and the reaction seat 1 to flatten the opening of the brake beam slide groove wear plate.

[0019] The hydraulic source is a manual hydraulic pump 4, which includes a hydraulic handle, a pump body, a pressure relief switch and a hydraulic oil pipe. The hydraulic oil pipe is connected to the hydraulic starting part. The hydraulic handle is hand-cranked to increase pressure. When pressurizing, the piston rod 3 of the hydraulic starting part extends from the cylinder body 2. When the pressure is released through the pressure relief switch, the piston rod 3 of the hydraulic starting part is retracted into the cylinder body 2.

[0020] The reaction seat 1 includes a seat body 1.1 and a hook claw 1.2. The cylinder body 2 of the hydraulic starting part is engraved with an external thread, and the seat body 1.1 is engraved with an internal thread. The seat body 1.1 and the cylinder body 2 are threadedly connected. The threaded connection method is convenient for disassembly and assembly, and can adjust the angle and connection position; the hook claw 1.2 includes a hook handle and a hook. The hook handle is fixedly connected to the seat body 1.1, and the hook is aligned with the piston rod 3 of the hydraulic starting part.

[0021] The diameter of the piston rod 3 of the hydraulic starting part is 15 mm, and the diameter of the cylinder body 2 is 45 mm; the height from the hook of the hook claw 1.2 to the seat body 1.1 is 170 mm, and the length of the hook of the hook claw 1.2 is 22.5 mm.

[0022] The seat body 1.1 is a circular ring, the hook handle of the hook claw 1.2 is perpendicular to the hook, and the hook handle is parallel to the axis of the seat body 1.1.

[0023] like Figure 3 As shown: The use of the hydraulic clamp for the wear plate of the brake beam slide of a railway freight car is as follows:

[0024] Removal process:

[0025] 1. When removing the brake beam slide groove wear plate, clamp the hook claw 1.2 and the piston rod 3 of the hydraulic starting part respectively on the two ribs of the brake beam slide groove wear plate to fix them firmly.

[0026] 2. Operate the manual hydraulic pump 4 to extend the piston rod 3 of the hydraulic starting part, shorten the distance between the piston rod 3 and the hook 1.2, until the distance between the piston rod 3 and the hook 1.2 is 57 mm, at which time the six protrusions on the wear plate of the brake beam slide are exposed.

[0027] 3. Use a hammer and a crowbar to pry out the brake beam groove wear plate, thereby removing the brake beam groove wear plate; then release the pressure relief switch of the manual hydraulic pump 4, the piston rod 3 of the hydraulic starting part is retracted into the cylinder body 2, and the brake beam groove wear plate returns to its normal state under the action of its own elastic force, and the brake beam groove wear plate is removed.

[0028] Installation process:

[0029] 1. When installing the brake beam groove wear plate, use the hydraulic clamp to flatten the opening of the new brake beam groove wear plate in advance. The operation method is as above. The hook claw 1.2 and the piston rod 3 of the hydraulic starting part are respectively clamped on the two retaining edges of the brake beam groove wear plate, and then the piston rod 3 of the hydraulic starting part applies force.

[0030] 2. Insert the brake beam groove wear plate into the brake beam groove, release the pressure relief switch of the manual hydraulic pump 4, retract the piston rod 3 of the hydraulic starting part into the cylinder body 2, and the brake beam groove wear plate returns to a normal state under the action of its own elastic force. The brake beam groove wear plate is installed.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic clamp for a wear plate of a brake beam chute of a railway freight car, characterized in that: It comprises a hydraulic source, a reaction seat (1) and a hydraulic starting part; The hydraulic starting part comprises a cylinder body (2) and a piston rod (3), the hydraulic starting part is connected to a hydraulic source, and the hydraulic source controls the piston rod (3) to extend or retract from the cylinder body (2); The first end of the reaction seat (1) is connected to the cylinder body (2) of the hydraulic starting part, and the second end is aligned with the piston rod (3) of the hydraulic starting part. A brake beam slide groove wear plate clamping space is formed between the second end of the reaction seat (1) and the top end of the piston rod (3) of the hydraulic starting part. When the piston rod (3) is extended, the cylinder body (2) is used as a reaction force to support the piston rod (3) and the reaction seat (1) to flatten the opening of the brake beam slide groove wear plate.

2. A railway freight car brake beam slideway wear plate hydraulic clamp according to claim 1, characterized in that: The reaction seat (1) comprises a seat body (1.1) and a hook claw (1.2); the cylinder body (2) of the hydraulic starting part is engraved with an external thread, the seat body (1.1) is engraved with an internal thread, and the seat body (1.1) and the cylinder body (2) are threadedly connected; the hook claw (1.2) comprises a hook handle and a hook, the hook handle is fixedly connected to the seat body (1.1), and the hook is aligned with the piston rod (3) of the hydraulic starting part.

3. A railway freight car brake beam slideway wear plate hydraulic clamp according to claim 1 or 2, characterized in that: The hydraulic source is a manual hydraulic pump (4).

4. A railway freight car brake beam slideway wear plate hydraulic clamp according to claim 2, characterized in that: The diameter of the piston rod (3) of the hydraulic starting part is 15 mm, and the diameter of the cylinder body (2) is 45 mm; the height from the hook of the hook claw (1.2) to the seat body (1.1) is 170 mm, and the length of the hook of the hook claw (1.2) is 22.5 mm.

5. The hydraulic clamp for the wear plate of the railroad truck brake beam slideway according to claim 2, characterized in that: The seat body (1.1) is a circular ring, the hook handle of the hook claw (1.2) is perpendicular to the hook, and the hook handle is parallel to the axis of the seat body (1.1).

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