High-speed motor train unit brake system valve performance maintenance test bench

Abstract

The utility model relates to the field of motor train unit brake system detection, and discloses a high-speed motor train unit brake system valve performance maintenance test bench comprising a platform, the bottom of the platform is provided with support frames, the bottom of the platform is provided with a positioning assembly, and an adjusting assembly is arranged between the support frames. The positioning assembly comprises an anti-skid pad fixedly connected to the surface of the top of the platform, a motor frame is fixedly connected to the surface of the bottom of the platform, a driving motor is fixedly connected into the motor frame, and a driving gear is fixedly connected to the surface of an output shaft of the driving motor; and a transverse rack and a longitudinal rack are oppositely arranged on the surface of the driving gear. According to the utility model, through the arrangement of the positioning assembly, the device can be suitable for positioning and fixing high-speed motor train unit brake system valves with different shapes, the subsequent maintenance test is facilitated, the step of replacing a clamp is reduced, and thus the efficiency of the maintenance test is indirectly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of EMU braking system detection, especially to a high-speed EMU braking system valve performance maintenance test test bench. BACKGROUND

[0002] The brake system valve is an important part of the brake control system, which cooperates with each other under the control of the brake control system, and outputs accurate air pressure, so as to ensure the normal work of the brake system, if the valve fails or performance declines, it will directly affect the braking effect of the brake system, and even may cause brake failure, which seriously threatens the safe operation of the train.

[0003] The performance maintenance test of the high-speed EMU brake system valve is an important measure to ensure the normal work of the brake system, prevent faults, ensure the safe operation of the train and improve the maintenance efficiency, and it ensures the stable and reliable performance of the valve, and provides a solid guarantee for the safe operation of the train, and the test bench is needed when the performance maintenance test of the high-speed EMU brake system valve is carried out.

[0004] The existing high-speed EMU brake system valve performance maintenance test test bench needs different clamps for different shapes of brake valves when the performance maintenance test of the brake system valve is carried out, so the clamp needs to be replaced, thereby reducing the efficiency of the maintenance test, and therefore a high-speed EMU brake system valve performance maintenance test test bench is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of high-speed EMU brake system valve performance maintenance test test bench, to improve the existing high-speed EMU brake system valve performance maintenance test test bench in prior art when the performance maintenance test of brake system valve, different shapes of brake valve needs to use different clamps, therefore, clamp needs to be replaced, thereby reducing the efficiency of the maintenance test problem.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of high-speed train brake system valve performance overhauling test test bed, including platform, the bottom of the platform is provided with support frame, the bottom of the platform is provided with positioning assembly, adjusting assembly is arranged between the support frame, the positioning assembly includes the non-slip mat fixedly connected on the top surface of platform, the bottom surface of the platform is fixedly connected with motor bracket, the inside of the motor bracket is fixedly connected with drive motor, the output shaft surface of the drive motor is fixedly connected with drive gear, the surface of the drive gear is oppositely provided with horizontal rack and longitudinal rack, the top surface of the one end of horizontal rack and longitudinal rack away from drive gear is all fixedly connected with fixed plate, the bottom surface of the fixed plate is all fixedly connected with limit block, the surface of the fixed plate is all fixedly connected with buffer pad, the bottom center surface of the fixed plate and buffer pad is all provided with connecting groove, the surface of the platform is all provided with sliding slot;

[0007] As further description of the above technical solution: the adjusting assembly includes the two-way threaded rod rotatably connected between the support frame, the surface of the two-way threaded rod is oppositely connected with connecting piece, the two ends of two connecting pieces are rotatably connected with connecting rod, the bottom surface of the platform is all fixedly connected with connecting block, the bottom surface of the platform is all fixedly connected with guide rod;

[0008] As further description of the above technical solution: four guide rods are all slidably connected in the inside of support frame, and the connecting rod is rotatably connected in the inside of connecting block;

[0009] As further description of the above technical solution: the connecting rod is a group two by two, and oppositely arranged on the two sides of two-way threaded rod;

[0010] As further description of the above technical solution: the horizontal rack and longitudinal rack are all engaged with drive gear, and the horizontal rack is arranged above longitudinal rack;

[0011] As further description of the above technical solution: the fixed plate and buffer pad are all slidably connected on the surface of non-slip mat through connecting groove, and the non-slip mat is cross-shaped;

[0012] As further description of the above technical solution: the bottom of the fixed plate is slidably connected in the inside of sliding slot, and the limit block is arranged below the platform;

[0013] As further description of the above technical solution: the fixed plate is arranged above the platform.

[0014] The utility model has the advantages of:

[0015] 1. The utility model discloses a positioning assembly is set up, make the brake valve that needs to carry out performance overhaul test can get multidirectional steady fixed, convenient for subsequent overhaul test, through the setting of horizontal rack, longitudinal rack and the setting of sliding slot, make the device can be applicable to the positioning fixed of different shape's high -speed train set brake system valve class, reduced the step of replacing fixture, thereby indirectly promoted the efficiency of overhaul test.

[0016] 2. The utility model discloses an adjusting assembly is set up, make the test bench can according to the height of user's adaptation through the rotation biaxial screw rod, drive the movement of connecting piece, thereby make connecting rod move, further make guiding rod slide in the inside of support frame, thereby reach the height of adjusting whole test bench, make the device convenient for the use of user, improved the comfort of user when overhaul test. DRAWINGS

[0017] Figure 1 It is a three -dimensional schematic view of the utility model discloses a high -speed train set brake system valve class performance overhaul test test bench is proposed;

[0018] Figure 2 It is the structure schematic view of the positioning assembly of the utility model discloses a high -speed train set brake system valve class performance overhaul test test bench is proposed;

[0019] Figure 3 It is the structure schematic view of the adjusting assembly of the utility model discloses a high -speed train set brake system valve class performance overhaul test test bench is proposed.

[0020] Legend:

[0021] 1, platform, 2, support frame, 3, positioning assembly, 30, non -skid pad, 31, motor frame, 32, drive motor, 33, drive gear, 34, horizontal rack, 35, longitudinal rack, 36, fixed plate, 37, limit block, 38, buffer pad, 39, connecting groove, 311, sliding slot, 4, adjusting assembly, 41, biaxial screw rod, 42, connecting piece, 43, connecting rod, 44, connecting block, 45, guiding rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Reference Figure 1 - Figure 3The utility model provides an embodiment: a kind of high-speed motor train unit brake system valve class performance overhauling test test bench, including platform 1, the bottom of platform 1 is provided with support frame 2, platform 1 bottom is provided with positioning assembly 3, adjusting assembly 4 is provided between support frame 2, positioning assembly 3 includes fixedly connected in the nonskid pad 30 of platform 1 top surface, platform 1 bottom surface is fixedly connected with motor bracket 31, the inside fixed connection of motor bracket 31 has drive motor 32, the output shaft surface fixed connection of drive motor 32 has drive gear 33, the surface of drive gear 33 is oppositely provided with horizontal rack 34 and longitudinal rack 35, the top surface of one end of horizontal rack 34 and longitudinal rack 35 away from drive gear 33 is all fixedly connected with fixed plate 36, the bottom surface of fixed plate 36 is all fixedly connected with limit block 37, the surface of fixed plate 36 is all fixedly connected with buffer pad 38, the bottom center surface of fixed plate 36 and buffer pad 38 is all set with connecting groove 39, the surface of platform 1 is all set with sliding slot 311, the brake valve needing to carry out performance overhauling test is placed in the surface of nonskid pad 30, nonskid pad 30 and buffer pad 38 have the effect of protecting brake valve, at this time, start drive motor 32, drive gear 33 is rotated by the output shaft of drive motor 32, because drive gear 33 and horizontal rack 34 and longitudinal rack 35 are mutually engaged, to drive horizontal rack 34 and longitudinal rack 35 move simultaneously, because the top surface of horizontal rack 34 and longitudinal rack 35 is all fixedly connected with fixed plate 36, to drive fixed plate 36 and buffer pad 38 and carry out multidirectional clamping positioning of the brake valve needing to carry out performance overhauling test, so that the brake valve needing to carry out performance overhauling test can be fixed stably, to facilitate subsequent overhauling test, horizontal rack 34 and longitudinal rack 35 are all mutually engaged with drive gear 33, horizontal rack 34 is arranged above longitudinal rack 35, fixed plate 36 and buffer pad 38 are all slidably connected on the surface of nonskid pad 30 by connecting groove 39, nonskid pad 30 is cross-shaped, the bottom of fixed plate 36 is slidably connected in the inside of sliding slot 311, limit block 37 is arranged below platform 1, fixed plate 36 is arranged above platform 1.

[0024] Refer to Figure 1 - Figure 3The adjusting assembly 4 comprises a two-way threaded rod 41 rotatably connected between the support frames 2, the surface of the two-way threaded rod 41 is relatively threadedly connected with a connecting piece 42, the two ends of the two connecting pieces 42 are rotatably connected with connecting rods 43, the bottom surface of the platform 1 is fixedly connected with connecting blocks 44 at four corners, the bottom surface of the platform 1 is fixedly connected with guide rods 45 at four corners, the adjusting assembly 4 is arranged, so that the test bench can be adjusted according to the height of the user by rotating the two-way threaded rod 41, driving the movement of the connecting piece 42, so that the connecting rod 43 moves, and then the guide rod 45 slides in the support frame 2, so as to adjust the height of the whole test bench, so that the device is convenient for the user to use, and the comfort of the user during maintenance testing is improved. The four guide rods 45 are slidingly connected in the support frame 2, the connecting rods 43 are rotatably connected in the connecting blocks 44, and the connecting rods 43 are arranged in pairs and opposite to the two sides of the two-way threaded rod 41.

[0025] Working principle: in use, first, the brake valve to be tested is placed on the surface of the non-slip pad 30, the non-slip pad 30 and the buffer pad 38 have the effect of protecting the brake valve, at this time, the driving motor 32 is started, the output shaft of the driving motor 32 drives the driving gear 33 to rotate, the driving gear 33 is meshed with the horizontal rack 34 and the vertical rack 35, thereby driving the horizontal rack 34 and the vertical rack 35 to move at the same time, the top surface of the horizontal rack 34 and the vertical rack 35 is fixedly connected with the fixed plate 36, thereby driving the fixed plate 36 and the buffer pad 38 to clamp and position the brake valve to be tested in multiple directions, so that the brake valve to be tested can be stably fixed, thereby facilitating subsequent maintenance testing. At the same time, the horizontal rack 34, the vertical rack 35 and the sliding groove 311 are arranged, so that the device can be suitable for positioning and fixing of different shapes of high-speed train brake system valves, reducing the step of replacing the clamp, thereby indirectly improving the efficiency of maintenance testing. At the same time, the adjusting assembly 4 is arranged, so that the test bench can be adjusted according to the height of the user by rotating the two-way threaded rod 41, driving the movement of the connecting piece 42, so that the connecting rod 43 moves, and then the guide rod 45 slides in the support frame 2, so as to adjust the height of the whole test bench, so that the device is convenient for the user to use, and the comfort of the user during maintenance testing is improved.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-speed EMU brake system valve performance maintenance test test bench, comprising a platform (1), the bottom of the platform (1) is provided with a support frame (2), characterized in that: The platform (1) bottom is provided with a positioning assembly (3), and the support frame (2) is provided with an adjusting assembly (4); The positioning assembly (3) comprises a non-slip pad (30) fixedly connected to the top surface of the platform (1), a motor frame (31) fixedly connected to the bottom surface of the platform (1), a drive motor (32) fixedly connected to the inside of the motor frame (31), a drive gear (33) fixedly connected to the output shaft surface of the drive motor (32), a transverse rack (34) and a longitudinal rack (35) oppositely arranged on the surface of the drive gear (33), a fixed plate (36) fixedly connected to the top surface of one end of the transverse rack (34) and the longitudinal rack (35) away from the drive gear (33), a limiting block (37) fixedly connected to the bottom surface of the fixed plate (36), a buffer pad (38) fixedly connected to the surface of the fixed plate (36), and a connecting groove (39) formed in the bottom center surface of the fixed plate (36) and the buffer pad (38), wherein the surface of the platform (1) is provided with a sliding groove (311).

2. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 1, characterized in that: The adjusting assembly (4) comprises a bidirectional threaded rod (41) rotatably connected between the support frames (2), a connecting piece (42) threadedly connected to the surface of the bidirectional threaded rod (41), a connecting rod (43) rotatably connected to both ends of the two connecting pieces (42), a connecting block (44) fixedly connected to the bottom surface of the four corners of the platform (1), and a guide rod (45) fixedly connected to the bottom surface of the four corners of the platform (1).

3. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 2, characterized in that: The four guide rods (45) are slidably connected to the inside of the support frame (2), and the connecting rods (43) are rotatably connected to the inside of the connecting block (44).

4. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 2, characterized in that: The connecting rods (43) are arranged in pairs and oppositely arranged on both sides of the bidirectional threaded rod (41).

5. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 1, characterized in that: The transverse rack (34) and the longitudinal rack (35) are in meshing connection with the drive gear (33), and the transverse rack (34) is arranged above the longitudinal rack (35).

6. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 1, characterized in that: The fixed plate (36) and the buffer pad (38) are slidably connected to the surface of the non-slip pad (30) through the connecting groove (39), and the non-slip pad (30) is in the shape of a cross.

7. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 1, characterized in that: The bottom of the fixed plate (36) is slidably connected to the inside of the sliding groove (311), and the limiting block (37) is arranged below the platform (1).

8. The test bench for testing the performance of the valve of the high-speed train brake system according to claim 1, characterized in that: The fixed plate (36) is arranged above the platform (1).

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