Brake lining dismounting device of passenger train braking system

Abstract

The utility model relates to the technical field of dismounting tools, in particular to a brake pad dismounting device of a passenger train braking system. Comprising a sliding block base, a rectangular sliding block is slidably connected to one side of the sliding block base, a clamping block is connected to the side, away from the rectangular sliding block, of the sliding block base, a bearing seat is connected to the bottom of the sliding block base, an L-shaped pressing plate is connected to the top of the rectangular sliding block, and a lead screw is in threaded connection with the lower portion of the rectangular sliding block; the bottom end of the lead screw is fixedly connected with a hexagonal rotating rod, and the joint of the lead screw and the hexagonal rotating rod is rotationally connected with the bearing seat through a bearing. According to the brake lining dismounting device of the passenger train braking system, the production efficiency is improved, the unfavorable trouble existing in the production process is solved, and the safety risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly tools, in particular to a brake shoe disassembly device for a railway passenger car brake system. Background Art

[0002] Railway passenger car brake pads are key components in the railway passenger car braking system. Currently, most of the domestic passenger car brake pads are mainly made of powder metallurgy friction materials. This material has excellent properties such as high temperature resistance, impact resistance, wear resistance and friction reduction, and can meet the operation needs of high-speed railways. Considering the performance of the braking system and the operating characteristics of the vehicle, the structural design of the brake pads must be reasonable, compact, and have good heat dissipation efficiency.

[0003] The following problems exist in actual use: (1) Under long-term use and high temperature conditions, the powder metallurgy powder produced may stick together and the material may change, making disassembly more difficult; (2) The complex operating environment makes it easy for the brake pad dovetail groove and the brake pad support to rust, or even rust, which increases the difficulty of disassembly; (3) The brake device adopts a fixed suspension method. The distance between the outer side of the brake pad and the wheel spoke seat is 100mm, the distance between the top and the brake clamp hanger is 130mm, and the minimum longitudinal gap between the brake pad support and the axle is 100mm. When the train (or vehicle) is parked on the trench line, the maintenance personnel have the problem of insufficient height; and when there is no trench line, the maintenance personnel have insufficient space. In the narrow space, they cannot use tools such as hammers and crowbars to disassemble. Not only is there a risk of injury, but the labor efficiency is also extremely low. Utility Model Content

[0004] The purpose of the utility model tool is to solve the above-mentioned problems, while taking into account the replacement of inner and outer brake pads, a set of special pulling tools for quickly disassembling brake pads is designed. When the brake device is in a relieved state, the tool is inserted from the side of the axle and the brake pad support, so that the clamping block is matched and fixed with the bottom surface of the upper seat of the brake pad support screw, and the upper surface of the brake pad is contacted through the L-shaped pressure plate and the adjustment pad. Since the L-shaped pressure plate is fastened to the rectangular slider through the adjustable inner third bolt, the hexagonal rotating rod is rotated clockwise to make the screw drive the rectangular slider to move downward. At this time, the brake pad is subjected to downward pushing pressure, thereby achieving a withdrawal effect.

[0005] The technical solution adopted by the utility model is: a brake pad disassembly device for a railway passenger car brake system, comprising a slider base, one side of the slider base is slidably connected to a rectangular slider, the slider base is connected to a clamping block on the side away from the rectangular slider, the bottom of the slider base is connected to a bearing seat, the top of the rectangular slider is connected to an L-shaped pressure plate, the lower part of the rectangular slider is threadedly connected to a screw rod, the bottom end of the screw rod is fixedly connected to a hexagonal rotary rod, and the connection between the screw rod and the hexagonal rotary rod is rotatably connected to the bearing seat through a bearing.

[0006] As a further improvement of the utility model, a dovetail-shaped protrusion is provided on one side of the slider base close to the rectangular slider, and a dovetail-shaped sliding groove matching with the dovetail-shaped protrusion is provided on one side of the rectangular slider close to the slider base.

[0007] As a further improvement of the utility model, the clamping block and the slider base are fastened and connected by multiple first bolts; the bearing seat and the slider base are fastened and connected by multiple second bolts; and the L-shaped pressure plate and the rectangular slider are fastened and connected by multiple third bolts.

[0008] As a further improvement of the present invention, the screw rod and the hexagonal rotary rod are an integrally formed structure, the inner ring of the bearing and the connection between the screw rod and the hexagonal rotary rod are fixedly connected, and the outer ring of the bearing and the bearing seat are fixedly connected.

[0009] As a further improvement of the utility model, an adjusting pad is included, and the adjusting pad is located below the L-shaped pressing plate.

[0010] Beneficial effects of the utility model:

[0011] (1) Effectively solve the problem of on-site working environment. Disassembly tools can be used regardless of whether the vehicle (train) is parked in a trench or in a location without a trench;

[0012] (2) It successfully breaks through the bottleneck of difficult operation space, is relatively convenient and simple to install and operate, and is easy to carry. It solves the problem of tools being left on the vehicle body during the previous disassembly process, greatly improving labor efficiency;

[0013] (3) It has a high safety factor and a fast disassembly speed, which effectively shortens the labor time, and will not damage other components and operators during the disassembly process.

[0014] Therefore, the production tool of the utility model improves production efficiency, solves adverse problems in the production process, and reduces safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a brake pad removal device for a railway passenger car brake system according to the utility model;

[0016] Figure 2 The utility model is a brake shoe disassembly device for a railway passenger car brake system. Figure 1 Another perspective structural diagram;

[0017] Figure 3 This is a schematic diagram of the overall structure of a brake shoe removal device for a railway passenger car brake system according to the utility model;

[0018] Figure 4 The utility model is a brake shoe disassembly device for a railway passenger car brake system. Figure 3Another perspective structural diagram;

[0019] Figure 5 The utility model is a partial structural schematic diagram of a brake shoe disassembly device of a railway passenger car brake system.

[0020] As shown in the figure: 1. Slider base; 2. Rectangular slider; 3. Block; 4. Bearing seat; 5. L-shaped pressure plate; 6. Screw; 7. Hexagonal rotary rod; 8. Bearing; 9. First bolt; 10. Second bolt; 11. Third bolt; 12. Adjustment pad. DETAILED DESCRIPTION

[0021] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to their structure and are relative concepts. Therefore, they may change accordingly according to their different locations and different usage states; therefore, these or other directional terms should not be interpreted as restrictive terms.

[0022] The singular forms "a", "said" and "the" used in this specification are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and implementation methods. It should be understood that the implementation methods described herein are only used to explain this application and are not used to limit this application.

[0024] The utility model provides the following Figure 1-5 The brake pad removal device of a railway passenger car brake system shown in the figure includes a slider base 1, a rectangular slider 2 is slidably connected to one side of the slider base 1, a clamping block 3 is connected to the side of the slider base 1 away from the rectangular slider 2, a bearing seat 4 is connected to the bottom of the slider base 1, an L-shaped pressure plate 5 is connected to the top of the rectangular slider 2, a screw rod 6 is threadedly connected to the lower part of the rectangular slider 2, a hexagonal rotary rod 7 is fixedly connected to the bottom end of the screw rod 6, and the connection between the screw rod 6 and the hexagonal rotary rod 7 is rotatably connected to the bearing seat 4 through a bearing 8.

[0025] like Figure 3 and Figure 4 As shown, in the utility model, a dovetail-shaped protrusion is provided on the side of the slider base 1 close to the rectangular slider 2, and a dovetail-shaped groove matching the dovetail-shaped protrusion is provided on the side of the rectangular slider 2 close to the slider base 1, thereby improving the stability of the rectangular slider 2 sliding on one side of the slider base 1.

[0026] like Figure 1-4As shown, in the utility model, the clamping block 3 is fastened to the slider base 1 by multiple first bolts 9; the bearing seat 4 is fastened to the slider base 1 by multiple second bolts 10; and the L-shaped pressure plate 5 is fastened to the rectangular slider 2 by multiple third bolts 11.

[0027] like Figure 3-5 As shown, in the utility model, the screw rod 6 and the hexagonal rotating rod 7 are an integrally formed structure, the inner ring of the bearing 8 and the connection between the screw rod 6 and the hexagonal rotating rod 7 are fixedly connected, and the outer ring of the bearing 8 and the bearing seat 4 are fixedly connected, which improves the stability of the hexagonal rotating rod 7 and the screw rod 6 when rotating.

[0028] like Figure 1-4 As shown, the utility model includes an adjusting pad 12 , and the adjusting pad 12 is located below the L-shaped pressing plate 5 .

[0029] See attached Figure 1-5 As shown, first prepare the various components, including a slider base 1 with a dovetail-shaped protrusion on one side, a rectangular slider 2 with a dovetail-shaped groove on one side, a clamping block 3, a bearing seat 4, an L-shaped pressure plate 5, an integrally formed screw rod 6 and a hexagonal rotary rod 7, a bearing 8, four first bolts 9, three second bolts 10, and three third bolts 11. The rectangular slider 2 is installed on one side of the slider base 1 to form a sliding connection, the clamping block 3 is fixed to one side of the slider base 1 by four first bolts 9, the bearing seat 4 is fixed to the bottom of the slider base 1 by three second bolts 10, the L-shaped pressure plate 5 is fixed to the top of the rectangular slider 2 by three third bolts 11, the integrally formed screw rod 6 and the hexagonal rotary rod 7 are installed in the bearing seat 4 through the bearing 8, and the screw rod 6 is threadedly connected to the lower part of the rectangular slider 2.

[0030] Working principle: The faulty (train) vehicle is equipped with protective and anti-slip devices to ensure that the brake system is in a relieved state. After removing the brake pad lock iron round pin cotter pin, round pin and lock iron, operate for the rusted and stuck brake pad. Insert from the side of the axle and the brake pad support, the block 3 is embedded in the bottom surface of the upper seat of the brake pad support screw and fixed, and bears the upward pulling force, which is convenient for changing the force direction of the brake pad. The L-shaped pressure plate 5 bypasses the upper position of the brake pad support and extends to the upper part of the limited or damaged brake pad. Adjust the gap between the brake pad and the brake disc to a suitable position, place the adjustment pad 12 on the upper position of the brake pad and confirm that it is safe and stable. At this time, when the hexagonal rotating rod 7 is rotated clockwise using tools such as an electric wrench, a ratchet wrench, and a bayonet pliers, the screw rod 6 will be driven to rotate. Since the screw rod 6 is threadedly connected to the rectangular slider 2, when the screw rod 6 rotates, the rectangular slider 2 will move downward, thereby driving the L-shaped pressure plate 5 fastened to the rectangular slider 2 to move downward. At this time, the brake pad will bear the downward pushing pressure of the L-shaped pressure plate 5, thereby achieving the unloading effect.

[0031] The above implementation modes are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned implementation modes, a person skilled in the art should understand that the technical solutions described in the aforementioned implementation modes can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the implementation modes of the present invention.

Claims

1. A brake pad disassembly device for a railway passenger car brake system, characterized in that: The invention comprises a slider base (1), one side of the slider base (1) is slidably connected to a rectangular slider (2), the side of the slider base (1) away from the rectangular slider (2) is connected to a clamping block (3), the bottom of the slider base (1) is connected to a bearing seat (4), the top of the rectangular slider (2) is connected to an L-shaped pressure plate (5), the lower part of the rectangular slider (2) is threadedly connected to a screw rod (6), the bottom end of the screw rod (6) is fixedly connected to a hexagonal rotating rod (7), and the connection between the screw rod (6) and the hexagonal rotating rod (7) is rotatably connected to the bearing seat (4) through a bearing (8).

2. A brake pad removal device for a railway passenger car brake system according to claim 1, characterized in that: A dovetail-shaped protrusion is provided on one side of the slider base (1) close to the rectangular slider (2), and a dovetail-shaped sliding groove matching the dovetail-shaped protrusion is provided on one side of the rectangular slider (2) close to the slider base (1).

3. A brake pad removal device for a railway passenger car brake system according to claim 1, characterized in that: The clamping block (3) and the slider base (1) are fastened together by a plurality of first bolts (9); the bearing seat (4) and the slider base (1) are fastened together by a plurality of second bolts (10); and the L-shaped pressure plate (5) and the rectangular slider (2) are fastened together by a plurality of third bolts (11).

4. A brake pad disassembly device for a railway passenger car brake system according to claim 1, characterized in that: The screw rod (6) and the hexagonal rotating rod (7) are an integrally formed structure; the inner ring of the bearing (8) and the connection between the screw rod (6) and the hexagonal rotating rod (7) are fixedly connected; and the outer ring of the bearing (8) and the bearing seat (4) are fixedly connected.

5. The brake pad disassembly device for a railway passenger car brake system according to claim 1, characterized in that: It comprises an adjusting pad (12), wherein the adjusting pad (12) is located below the L-shaped pressing plate (5).

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