Leaking stoppage pad for preventing air leakage of anti-skid device exhaust valve

Abstract

The utility model discloses a leaking stoppage pad for preventing air leakage of an air exhaust valve of an anti-skid device, which relates to the technical field of railway vehicle maintenance and comprises a leaking stoppage sheet and a sealing pad laid on one side of the leaking stoppage sheet, and the sealing pad is fixedly connected with the leaking stoppage sheet. The leaking stoppage piece and the sealing gasket are used for being clamped between the anti-skid device exhaust valve and a mounting base of the anti-skid device exhaust valve, and the sealing gasket is used for blocking the end, close to the anti-skid device exhaust valve, of an air hole connector in the mounting base. According to the anti-skid device exhaust valve, the sealing gasket is tightly attached to the mounting seat to form reliable airtight plugging, so that gas at the gas path connector on the mounting seat cannot flow to the leaked air, and the potential air leakage problem of the anti-skid device exhaust valve is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway track vehicle maintenance, in particular to a leak-proof pad used for preventing air leakage of an exhaust valve of an anti-skid device. Background Art

[0002] In the field of railway passenger cars, ensuring the safe and efficient operation of passenger trains has always been the focus of technical improvement and innovation. There are strict restrictions on brake-door-closing cars in the formation of passenger trains. "Closed-door cars" refer to cars with closed shut-off gates on the brake branch pipes. The cars can be ventilated, but they do not have a braking effect. Normally, once a brake-door-closing car appears in a train, the brake shoe pressure must be calculated by the train conversion, and the "Passenger Train Brake Door Closing Speed ​​Limit Certificate" must be provided to the driver. The necessary speed limit operation is carried out in accordance with the "Railway Technical Management Regulations" to prevent the impact of reduced braking capacity on driving safety and passenger service quality.

[0003] The anti-skid exhaust valve is installed on the mounting seat on the train by bolts. The mounting seat of the anti-skid exhaust valve is usually provided with an air path interface, which is used to connect the anti-skid exhaust valve with other components of the vehicle's brake system, such as the brake cylinder and the air distribution valve. After long-term use, the existing anti-skid exhaust valve will leak air due to damage to internal parts, mixing of impurities, etc.

[0004] At present, when a vehicle's brake system leakage exceeds the standard due to leakage in the anti-skid device exhaust valve, the traditional practice is to treat it as a brake-door-closing vehicle and submit a speed limit certificate to the driver, which undoubtedly affects the normal operating speed and transportation efficiency of the train; secondly, if the vehicle whose brake system leakage exceeds the standard due to leakage in the anti-skid device exhaust valve is the last vehicle at the rear of the train, it is necessary to replace the faulty parts (i.e. the leaking anti-skid device exhaust valve) or take complex operations such as reversing the parts of the adjacent vehicle, and then close the door of the adjacent vehicle, which is also subject to speed limit requirements. This not only increases the difficulty of on-site processing, but also further interferes with passenger transport organization. Utility Model Content

[0005] The utility model aims to provide a plugging pad for preventing air leakage from an anti-skid device exhaust valve, so as to solve the problems existing in the above-mentioned prior art, conveniently and quickly make the leaking anti-skid device exhaust valve no longer leak, and avoid the need for train speed limit due to air leakage from the anti-skid device exhaust valve.

[0006] To achieve the above purpose, the utility model provides the following solutions:

[0007] The utility model provides a plugging pad for preventing air leakage from an anti-skid device exhaust valve, comprising a plugging piece and a sealing pad laid flat on one side of the plugging piece, the sealing pad being fixedly connected to the plugging piece, the plugging piece and the sealing pad being used to be clamped between the anti-skid device exhaust valve and a mounting seat of the anti-skid device exhaust valve, and the sealing pad being used to seal an air hole interface on the mounting seat close to one end of the anti-skid device exhaust valve.

[0008] Preferably, it also includes a positioning piece perpendicular to the leak-proof piece, wherein the positioning piece is fixedly connected to one end of the leak-proof piece; the positioning piece is used to fit with the bottom surface of the mounting seat.

[0009] Preferably, the leak-proof pad is L-shaped.

[0010] Preferably, an adhesive layer is provided on the side of the positioning sheet that is in contact with the bottom surface of the mounting seat, and the positioning sheet is bonded to the bottom surface of the mounting seat through the adhesive layer.

[0011] Preferably, the leak-blocking piece and the positioning piece are integrally formed.

[0012] Preferably, the materials of the leak-blocking piece and the positioning piece are both metal.

[0013] Preferably, the sealing gasket is made of rubber.

[0014] Preferably, the sealing gasket is adhesively connected to the leak-proof sheet.

[0015] Preferably, the anti-skid device exhaust valve is connected to the mounting seat by a plurality of bolts, and when the leak-blocking sheet and the sealing gasket are sandwiched between the anti-skid device exhaust valve and the mounting seat, all of the bolts are located outside the leak-blocking gasket.

[0016] Preferably, the height of the plugging piece and the height of the sealing gasket are equal to the height of the mounting seat, the width of the plugging piece is smaller than the width of the mounting seat, the width of the sealing gasket is smaller than or equal to the width of the plugging piece, and the thickness of the sealing gasket is equal to the thickness of the plugging piece.

[0017] Compared with the prior art, the utility model has achieved the following technical effects:

[0018] The utility model discloses a sealing pad for preventing air leakage of an anti-skid device exhaust valve, which has a simple and efficient installation method and a good sealing effect, and successfully solves the problem that the air leakage of the anti-skid device exhaust valve affects the normal operation of the train during the operation of railway vehicles, greatly improves the efficiency and quality of emergency handling of railway passenger car faults, ensures the continuity of train operation and the travel experience of passengers, and has great practical value and broad promotion and application prospects for the operation and maintenance practice of railway passenger cars.

[0019] Furthermore, the plugging gasket of the utility model integrates a plugging piece and a sealing gasket. A sealing gasket made of rubber is adhered to one side of the plugging piece of the plugging gasket, ensuring that after installation, the sealing gasket is tightly attached to the mounting seat to form a reliable airtight seal, so that the gas at the air path interface on the mounting seat cannot flow to the leaking anti-skid exhaust valve, effectively solving the potential leakage problem of the anti-skid exhaust valve.

[0020] Furthermore, the plugging pad for preventing air leakage from the exhaust valve of the anti-skid device of the utility model is designed with a positioning piece, which not only facilitates the positioning of the insertion depth when inserting the plugging pad, but also further ensures the firmness and sealing of the installation through the adhesive layer. The metal structure of the plugging pad and the positioning piece integrated into one ensures the durability and strength of the product, while the choice of the rubber material sealing pad takes into account both the sealing performance and the adaptability to the installation surface.

[0021] Furthermore, when installing the leak-proof gasket of the utility model, no complicated operation is required. It is only necessary to loosen the bolts between the anti-skid device exhaust valve and the mounting seat, insert the leak-proof gasket between the anti-skid device exhaust valve and the mounting seat, ensure that the sealing gasket fits the air hole interface on the mounting seat, and retighten the bolts. This process is not only simple and quick, but also achieves effective control of the air leakage problem of the anti-skid device exhaust valve without changing the original vehicle structure, avoiding the vehicle from becoming a closed-door vehicle due to braking problems, affecting normal operations. After the train arrives at the station or stops its driving mission, the staff will remove the leaking anti-skid device exhaust valve and the leak-proof gasket of the utility model for preventing the anti-skid device exhaust valve from leaking, and replace them with a leak-free anti-skid device exhaust valve.

[0022] Furthermore, the size of the plugging piece is designed to be just right, ensuring that after installation, all fixing bolts are located outside the plugging gasket, without affecting the original fastening structure, thereby ensuring the compactness of the installation and the continuity of the seal, without adding extra gaps between vehicle components, and helping to maintain the original operating efficiency and safety of the vehicle.

[0023] Furthermore, by quickly installing the plugging pad, the leakage of the anti-skid exhaust valve can be effectively controlled, so there is no need to treat the vehicle as a brake-door-closing vehicle, nor is there a need to replace the leaking anti-skid exhaust valve. The treated train can maintain the original speed without speed limit constraints, which greatly reduces the impact on passenger transportation organization and ensures the smoothness of train operation and service quality. This innovation provides a more efficient and convenient emergency fault handling solution for the field of railway passenger car operation and maintenance, which has important practical value and promotion significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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 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.

[0025] Figure 1 It is a structural schematic diagram of a leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to the utility model;

[0026] Figure 2 It is a structural schematic diagram of the utility model in which the leak-proof pad for preventing air leakage from the exhaust valve of the anti-skid device is installed between the exhaust valve of the anti-skid device and the mounting seat;

[0027] Among them, 100, a plugging pad for preventing air leakage from an exhaust valve of an anti-skid device;

[0028] 1. Leak-proof piece; 2. Sealing gasket; 3. Positioning piece; 4. Mounting seat; 5. Anti-slip exhaust valve; 6. Bolts. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model aims to provide a plugging pad for preventing air leakage from an anti-skid device exhaust valve, so as to solve the problems existing in the above-mentioned prior art, conveniently and quickly make the leaking anti-skid device exhaust valve no longer leak, and avoid the need for train speed limit due to air leakage from the anti-skid device exhaust valve.

[0031] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] like Figure 1 to Figure 2 As shown, this embodiment provides a plugging gasket 100 for preventing air leakage from an anti-skid device exhaust valve, comprising a plugging piece 1 and a sealing gasket 2 laid flat on one side of the plugging piece 1, the sealing gasket 2 being fixedly connected to the plugging piece 1, the plugging piece 1 and the sealing gasket 2 being used to be clamped between the anti-skid device exhaust valve 5 and the mounting seat 4 of the anti-skid device exhaust valve 5, and the sealing gasket 2 being used to seal one end of the air hole interface on the mounting seat 4 close to the anti-skid device exhaust valve 5.

[0033] When using the leak-proof gasket 100 for preventing the leakage of the anti-skid exhaust valve of the present embodiment, it is only necessary to loosen the bolts 6 between the anti-skid exhaust valve 5 and the mounting seat 4, insert the leak-proof sheet 1 and the sealing gasket 2 into the gap between the anti-skid exhaust valve 5 and the mounting seat 4, ensure that the sealing gasket 2 fits the air hole interface on the mounting seat 4, and re-tighten the bolts 6, so that the sealing gasket 2 is close to the mounting seat 4, and a reliable airtight seal is formed between the sealing gasket 2 and the air path interface on the mounting seat 4, so that the gas at the air path interface on the mounting seat 4 cannot flow to the leaking anti-skid exhaust valve 5, effectively solving the potential air leakage problem of the anti-skid exhaust valve 5. This process is not only simple and fast, but also realizes effective control of the air leakage problem without changing the original vehicle structure, so that the vehicle does not need to be treated as a brake-door-closing vehicle, and the treated train can maintain the original speed and is not subject to speed limit constraints, which greatly reduces the impact on passenger transportation organization and ensures the smoothness and service quality of train operation.

[0034] In the optional scheme of this embodiment, it is more preferred to further include a positioning piece 3 perpendicular to the plugging piece 1, and the positioning piece 3 is fixedly connected to one end of the plugging piece 1; the positioning piece 3 is used to fit with the bottom surface of the mounting seat 4. The plugging pad 100 for preventing air leakage from the anti-skid exhaust valve provided with the positioning piece 3 is L-shaped as a whole. When in use, loosen the bolts 6 between the anti-skid exhaust valve 5 and the mounting seat 4, and then insert the plugging piece 1 and the sealing pad 2 from bottom to top into the gap between the anti-skid exhaust valve 5 and the mounting seat 4. When inserted into place, the positioning piece 3 will abut against the bottom surface of the mounting seat 4, which is convenient for positioning the insertion depth when inserting the plugging piece 1, and is easy to use.

[0035] In the optional solution of this embodiment, preferably, an adhesive layer is provided on the side where the positioning piece 3 and the bottom surface of the mounting seat 4 are bonded, and the positioning piece 3 is bonded to the bottom surface of the mounting seat 4 through the adhesive layer. The positioning piece 3 is bonded to the bottom surface of the mounting seat 4 through the adhesive layer, and the firmness and sealing of the installation are further ensured by the adhesive layer.

[0036] In the optional scheme of this embodiment, it is more preferred that the materials of the plugging piece 1 and the positioning piece 3 are both metal, the material of the sealing gasket 2 is rubber, and the plugging piece 1 and the positioning piece 3 are integrally formed. The metal structure of the plugging piece 1 and the positioning piece 3 integrally formed ensures the durability and strength of the product, and the selection of the rubber sealing gasket 2 takes into account both the sealing performance and the adaptability to the installation surface.

[0037] In the optional scheme of this embodiment, it is more preferred that the sealing gasket 2 is connected to the plugging piece 1 by adhesive bonding, so that the sealing gasket 2 is bonded to the plugging piece 1, which facilitates the fixation of the sealing gasket 2 on the plugging piece 1, is easy to use, and is conducive to improving production efficiency.

[0038] In the optional scheme of the present embodiment, it is more preferred that the anti-skid device exhaust valve 5 is connected to the mounting seat 4 by a plurality of bolts 6, and when the leak-proof sheet 1 and the sealing gasket 2 are clamped between the anti-skid device exhaust valve 5 and the mounting seat 4, all the bolts 6 are located outside the leak-proof gasket 100 for preventing air leakage of the anti-skid device exhaust valve; that is, the provision of the leak-proof gasket 100 for preventing air leakage of the anti-skid device exhaust valve does not affect the original connection and fastening structure of the anti-skid device exhaust valve 5 and the mounting seat 4, thereby ensuring the compactness of the installation and the sealing continuity, and will not increase the gap between vehicle components, which is beneficial to maintaining the original operating efficiency and safety of the vehicle.

[0039] In the optional scheme of the present embodiment, it is more preferred that the height of the plugging piece 1 and the height of the sealing gasket 2 are equal to the height of the mounting seat 4, the width of the plugging piece 1 is smaller than the width of the mounting seat 4, the width of the sealing gasket 2 is smaller than or equal to the width of the plugging piece 1, and the thickness of the sealing gasket 2 is equal to the thickness of the plugging piece 1; it should be noted that in actual applications, the specific shape, size and size of the plugging piece 1 and the sealing gasket 2 can be adaptively adjusted according to actual needs, as long as it can be ensured that the plugging piece 1 and the sealing gasket 2 can be inserted into the gap between the anti-slip device exhaust valve 5 and the mounting seat 4, the sealing gasket 2 is tightly attached to all the air path interfaces on the mounting seat 4, and the original bolt 6 connection structure between the anti-slip device exhaust valve 5 and the mounting seat 4 is not affected.

[0040] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A plugging pad for preventing air leakage from an exhaust valve of an anti-skid device, characterized in that: It includes a leak-blocking piece and a sealing gasket laid flat on one side of the leak-blocking piece, the sealing gasket is fixedly connected to the leak-blocking piece, the leak-blocking piece and the sealing gasket are used to be clamped between the anti-skid device exhaust valve and the mounting seat of the anti-skid device exhaust valve, and the sealing gasket is used to seal the air hole interface on the mounting seat close to one end of the anti-skid device exhaust valve.

2. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 1, characterized in that: It also includes a positioning piece perpendicular to the leak-proof piece, and the positioning piece is fixedly connected to one end of the leak-proof piece; the positioning piece is used to fit with the bottom surface of the mounting seat.

3. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 2, characterized in that: The leak-proof pad is L-shaped.

4. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 2, characterized in that: An adhesive layer is provided on one side of the positioning sheet that is in contact with the bottom surface of the mounting seat, and the positioning sheet is bonded to the bottom surface of the mounting seat through the adhesive layer.

5. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 2, characterized in that: The leak-blocking piece and the positioning piece are integrally formed.

6. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 5, characterized in that: The materials of the leak-blocking piece and the positioning piece are both metal.

7. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 1, characterized in that: The material of the sealing pad is rubber.

8. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 1, characterized in that: The sealing gasket is connected with the leak-blocking piece by adhesive bonding.

9. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 1, characterized in that: The anti-skid exhaust valve is connected to the mounting seat via a plurality of bolts. When the leak-blocking sheet and the sealing gasket are sandwiched between the anti-skid exhaust valve and the mounting seat, all of the bolts are located outside the leak-blocking gasket.

10. The leak-proof pad for preventing air leakage from an exhaust valve of an anti-skid device according to claim 1, characterized in that: The height of the plugging piece and the height of the sealing gasket are both equal to the height of the mounting seat, the width of the plugging piece is smaller than the width of the mounting seat, the width of the sealing gasket is smaller than or equal to the width of the plugging piece, and the thickness of the sealing gasket is equal to the thickness of the plugging piece.

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