Railway wagon brake cylinder state monitoring device

Abstract

The utility model discloses a railway wagon brake cylinder state monitoring device which comprises a brake cylinder shell, an inner cavity of the brake cylinder shell is connected with a piston in an interactive mode, the rear end of the piston is fixedly connected with a transmission rod, the transmission rod is movably connected with the brake cylinder shell, and a detection box shell is fixedly installed at the front end of the brake cylinder shell. The railway wagon brake cylinder state monitoring device comprises a detection box outer shell, a telescopic rod is arranged in the detection box outer shell, a connecting rod is arranged in an inner cavity of the detection box outer shell, the connecting rod is connected with a brake cylinder outer shell in a sliding mode, and the rear end of the connecting rod is arranged at the front end of a piston. The connecting rod can always abut against the piston to synchronously move along with movement of the piston, when the connecting rod moves, the first rib plate and the second rib plate can be driven to move along with the connecting rod, and the stability of the first rib plate and the second rib plate in the moving process can be further improved through cooperation of the sliding block and the sliding groove block.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of brake cylinder, especially railway wagon brake cylinder state monitoring device. BACKGROUND

[0002] In the field of railway transportation, the safe operation of railway wagon is very important, and as the key component of railway wagon brake system, the working state of brake cylinder is directly related to the brake effect and driving safety of train, and brake cylinder realizes effective control and parking operation of railway wagon speed through controlling the application and release of brake force.

[0003] However, the state monitoring of railway wagon brake cylinder at present mostly depends on regular manual inspection and maintenance, lacks real-time and continuous monitoring mechanism, in the long-term operation process of railway wagon, the piston, transmission rod and other components in brake cylinder can appear wear and tear, failure and the like, but as these problems cannot be found in time, can lead to brake performance decline, increases driving safety hidden danger, secondly, the monitoring and judgment of brake cylinder stroke are not accurate enough, brake cylinder stroke is an important parameter for measuring brake effect, and accurately grasping brake cylinder stroke is very important for ensuring the reliability of brake system, but the existing monitoring mode often cannot accurately judge whether brake cylinder stroke is in normal range, in the brake process, if the stroke change of brake cylinder cannot be understood in time and accurately, can lead to insufficient brake force or excessive brake force, influences the brake effect and running stability of train, in order to solve the above problems, the utility model provides a railway wagon brake cylinder state monitoring device. UTILITY MODEL CONTENTS

[0004] The utility model mainly aims at providing a railway wagon brake cylinder state monitoring device, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A railway wagon brake cylinder state monitoring device, comprising a brake cylinder shell, the inner cavity of the brake cylinder shell is interactively connected with a piston, the rear end of the piston is fixedly connected with a transmission rod, the transmission rod is movably connected with the brake cylinder shell, the front end of the brake cylinder shell is fixedly installed with a detection box shell, the inner cavity of the detection box shell is provided with a connecting rod, the connecting rod is slidably connected with the brake cylinder shell, and the rear end of the connecting rod is located at the front end of the piston.

[0007] Preferably, the front end of the connecting rod is fixedly connected with a second rib plate, one side of the second rib plate is fixedly connected with a stroke observation block, the outer side of the detection box shell is provided with a first through slot, the stroke observation block is slidably connected with the detection box shell through the first through slot, and the front end of the stroke observation block is provided with a judgment assembly at both ends.

[0008] Preferably, the two judging assemblies each comprise a mounting block, two elastic sheets are fixedly connected to the side close to the two mounting blocks, the two elastic sheets are arranged on the two sides of the stroke observation block respectively, and the inner side of the elastic sheet is fixedly connected with a third spring.

[0009] Preferably, the other side of the second rib plate is fixedly connected with a pointer, the outer side of the detection box shell is provided with a second through groove, the pointer is slidingly connected to the inner side of the second through groove, and the side of the second through groove is fixedly connected with a scale plate.

[0010] Preferably, the inner side of the second rib plate is fixedly connected with a first rib plate, the first rib plate is fixedly connected to the front end of the connecting rod, the two sides of the first rib plate are fixedly connected with sliding blocks, and the inner wall of the detection box shell is fixedly connected with two sliding groove blocks corresponding to the sliding blocks.

[0011] Preferably, the outer side of the connecting rod is sleeved with a first spring, the front end of the first spring is fixedly connected with the first rib plate, and the rear end of the first spring is fixedly connected to the inner wall of the detection box shell.

[0012] Preferably, the front end of the first rib plate is fixedly connected with a second spring, the front end of the second spring is fixedly connected to the inner wall of the detection box shell, the inner side of the second spring is sleeved with a telescopic rod, and the front and rear ends of the telescopic rod are fixedly connected with the brake cylinder shell and the first rib plate respectively.

[0013] Compared with the prior art, the railway freight car brake cylinder state monitoring device has the following beneficial effects: through the elastic cooperation of the telescopic rod and the second spring, it can be ensured that the connecting rod is always pressed on the piston and moves synchronously with the piston, when the connecting rod moves, the first rib plate and the second rib plate will be driven to move, through the cooperation of the sliding block and the sliding groove block, the stability of the first rib plate and the second rib plate during movement can be further improved, when the second rib plate moves, the stroke observation block will be driven to move on the outer side of the detection box shell, when the stroke observation block moves to the elastic sheet, the elastic sheet on the mounting block will be deformed due to extrusion, and the third spring is compressed, so that the stroke of the brake cylinder can be accurately judged whether it reaches a predetermined range, and when the second rib plate moves, the pointer on the other side will also move synchronously, the corresponding position is indicated on the scale plate through the movement of the pointer, the stroke data of the brake cylinder can be intuitively read by the maintenance personnel, the working state of the brake cylinder can be further understood, and the effect is better than that of the traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the railway freight car brake cylinder state monitoring device.

[0015] Figure 2 It is the overall structure sectional view of the railway freight car brake cylinder state monitoring device of the utility model;

[0016] Figure 3 It is the partial structure schematic view of the railway freight car brake cylinder state monitoring device of the utility model;

[0017] Figure 4 It is the partial structure sectional view of the railway freight car brake cylinder state monitoring device of the utility model;

[0018] Figure 5 It is the A place enlarged structure schematic view of the railway freight car brake cylinder state monitoring device of the utility model;

[0019] Figure 6 It is the B place enlarged structure schematic view of the railway freight car brake cylinder state monitoring device of the utility model.

[0020] In the drawing: 1, brake cylinder shell;2, transmission rod;3, detection box shell;4, piston;5, connecting rod;6, first spring;7, first rib plate;8, second rib plate;9, sliding block;10, sliding groove block;11, telescopic rod;12, second spring;13, stroke observation block;14, judging assembly;141, mounting block;142, elastic sheet;143, third spring;15, first through slot;16, second through slot;17, pointer;18, scale line plate. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] As Figures 1-6 Indicated, a railway freight car brake cylinder state monitoring device, including brake cylinder shell 1, the inner chamber of brake cylinder shell 1 is interactively connected with piston 4, the rear end of piston 4 is fixedly connected with transmission rod 2, transmission rod 2 is movably connected with brake cylinder shell 1, the front end of brake cylinder shell 1 is fixedly installed with detection box shell 3, the inner chamber of detection box shell 3 is provided with connecting rod 5, connecting rod 5 is slidably connected with brake cylinder shell 1, and the rear end of connecting rod 5 is located at the front end of piston 4.

[0023] The front end of the connecting rod 5 is fixedly connected with the second rib plate 8 in the embodiment, one side of the second rib plate 8 is fixedly connected with the stroke observation block 13, the outer side of the detection box shell 3 is provided with the first through slot 15, the stroke observation block 13 is slidably connected with the detection box shell 3 through the first through slot 15, and the front end of the stroke observation block 13 is provided with the judging assembly 14 at both ends.

[0024] Specifically, when the connecting rod 5 moves, the second rib plate 8 will be moved, when the second rib plate 8 moves, the stroke observation block 13 will move on the outer side of the detection box shell 3, when the stroke observation block 13 moves to the position of the elastic sheet 142, the elastic sheet 142 on the mounting block 141 will be deformed due to extrusion, and the third spring 143 is compressed, so that whether the stroke of the brake cylinder reaches the predetermined range can be accurately judged.

[0025] In the embodiment, the other side of the second rib plate 8 is fixedly connected with the pointer 17, the outer side of the detection box shell 3 is provided with the second through slot 16, the pointer 17 is slidably connected on the inner side of the second through slot 16, and one side of the second through slot 16 is fixedly connected with the scale plate 18.

[0026] Specifically, when the second rib plate 8 moves, the pointer 17 on the other side will also slide synchronously, and the corresponding position is indicated on the scale plate 18 through the movement of the pointer 17, so that the maintenance personnel can intuitively read the stroke data of the brake cylinder and further understand the working state of the brake cylinder.

[0027] In the embodiment, the inner side of the second rib plate 8 is fixedly connected with the first rib plate 7, the first rib plate 7 is fixedly connected to the front end of the connecting rod 5, and the two sides of the first rib plate 7 are fixedly connected with the sliding block 9. The inner wall of the detection box shell 3 is fixedly connected with two sliding groove blocks 10 corresponding to the sliding blocks 9, and the two sliding blocks 9 are slidably connected to the inner sides of the corresponding sliding groove blocks 10.

[0028] Specifically, through the cooperation of the sliding block 9 and the sliding groove block 10, the stability of the first rib plate 7 and the second rib plate 8 during movement can be further improved.

[0029] In the embodiment, the outer side of the connecting rod 5 is sleeved with the first spring 6, the front end of the first spring 6 is fixedly connected with the first rib plate 7, the rear end of the first spring 6 is fixedly connected to the inner wall of the detection box shell 3, the front end of the first rib plate 7 is fixedly connected with the second spring 12, the front end of the second spring 12 is fixedly connected to the inner wall of the detection box shell 3, the inner side of the second spring 12 is sleeved with the telescopic rod 11, and the front and rear ends of the telescopic rod 11 are fixedly connected with the brake cylinder shell 1 and the first rib plate 7 respectively.

[0030] Specifically, through the elastic cooperation of the telescopic rod 11 and the second spring 12, it can be ensured that the connecting rod 5 is always on the piston 4 and moves synchronously with the piston 4.

[0031] It should be noted that the utility model discloses a railway freight car brake cylinder state monitoring device, when the railway freight car needs to brake, the brake force will push the piston 4 in the inner chamber of brake cylinder shell 1 to move, the piston 4 moves and will drive transmission rod 2 to move, and through the elastic cooperation of telescopic rod 11 and second spring 12, it can be ensured that connecting rod 5 is always on piston 4 and moves synchronously with piston 4, when connecting rod 5 moves, it will drive first rib plate 7 and second rib plate 8 to move, through the cooperation of sliding block 9 and sliding groove block 10, the stability of first rib plate 7 and second rib plate 8 in the moving process can be further improved, when second rib plate 8 moves, it will drive travel observation block 13 to move on the outside of detection box shell 3, when travel observation block 13 moves to spring piece 142, spring piece 142 on mounting block 141 will be deformed due to extrusion, third spring 143 is compressed, so that whether the stroke of the brake cylinder reaches the predetermined range can be accurately judged, and when second rib plate 8 moves, the pointer 17 on the other side also synchronously slides, the corresponding position is indicated on the scale line plate 18 through the movement of pointer 17, and the maintenance personnel can intuitively read the stroke data of the brake cylinder, and the working state of the brake cylinder is further understood, when the brake operation ends, connecting rod 5, first rib plate 7, second rib plate 8 and other components move backward under the action of the elastic recovery force of first spring 6 and second spring 12, piston 4 and transmission rod 2 also return to the initial position, and then it can be ensured that each component can be accurately reset, and it is more practical.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A railway wagon brake cylinder condition monitoring device comprising a brake cylinder housing (1), characterised in that: The inner cavity of the brake cylinder shell (1) is connected with a piston (4), the rear end of the piston (4) is fixedly connected with a transmission rod (2), the transmission rod (2) is movably connected with the brake cylinder shell (1), the front end of the brake cylinder shell (1) is fixedly provided with a detection box shell (3), the inner cavity of the detection box shell (3) is provided with a connecting rod (5), the connecting rod (5) is slidably connected with the brake cylinder shell (1), and the rear end of the connecting rod (5) is arranged at the front end of the piston (4).

2. A railway wagon brake cylinder condition monitoring device according to claim 1, characterised in that: The front end of the connecting rod (5) is fixedly connected with a second rib plate (8), one side of the second rib plate (8) is fixedly connected with a stroke observation block (13), the outer side of the detection box shell (3) is provided with a first through groove (15), the stroke observation block (13) is slidably connected with the detection box shell (3) through the first through groove (15), and the front ends of the stroke observation block (13) are provided with judging assemblies (14).

3. A railway wagon brake cylinder condition monitoring device according to claim 2, characterised in that: Both the judging assemblies (14) comprise a mounting block (141), both sides of the mounting block (141) are fixedly connected with two elastic sheets (142), and the elastic sheets (142) are arranged on both sides of the stroke observation block (13).

4. A railway car brake cylinder condition monitoring device according to claim 2, characterized in that: The other side of the second rib plate (8) is fixedly connected with a pointer (17), the outer side of the detection box shell (3) is provided with a second through groove (16), the pointer (17) is slidably connected to the inner side of the second through groove (16), and one side of the second through groove (16) is fixedly connected with a scale line plate (18).

5. A railway car brake cylinder condition monitoring device as defined in claim 2 wherein: The inner side of the second rib plate (8) is fixedly connected with a first rib plate (7), the first rib plate (7) is fixedly connected to the front end of the connecting rod (5), both sides of the first rib plate (7) are fixedly connected with sliding blocks (9), and the inner wall of the detection box shell (3) is fixedly connected with two sliding groove blocks (10) corresponding to the sliding blocks (9).

6. A railway wagon brake cylinder condition monitoring device according to claim 5, characterised in that: The outer side of the connecting rod (5) is provided with a first spring (6), the front end of the first spring (6) is fixedly connected with the first rib plate (7), and the rear end of the first spring (6) is fixedly connected to the inner wall of the detection box shell (3).

7. A railway car brake cylinder condition monitoring device as defined in claim 5 wherein: The front end of the first rib plate (7) is fixedly connected with a second spring (12), the front end of the second spring (12) is fixedly connected with the inner wall of the detection box shell (3), the inner side of the second spring (12) is provided with a telescopic rod (11), and the front and rear ends of the telescopic rod (11) are fixedly connected with the brake cylinder shell (1) and the first rib plate (7) respectively.

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