Axle box built-in type hinged framework subway bogie air spring

Abstract

The utility model discloses an axle box built-in type hinged framework subway bogie air spring which comprises a spring air bag, mounting plates are fixedly arranged at the upper end and the lower end of the spring air bag, and a mounting block is fixedly connected to the end, away from the spring air bag, of each mounting plate. First fixing grooves are formed in the left side wall and the right side wall of each mounting block, a connecting plate is slidably connected between the inner walls of the first fixing grooves, a connecting clamping block is fixedly connected to the side wall of the side, away from the inner sides of the first fixing grooves, of each connecting plate, and each connecting clamping block extends out of the outer side of the corresponding first fixing groove. The installation block, the spring air bag and the bogie are fixedly connected together in a clamped mode through the connecting clamping block, meanwhile, the connecting plate can be adjusted by moving the adjusting block, and therefore the connecting clamping block moves to the inner side of the fixing groove, the connecting clamping block is separated from the bogie, and the whole device can be conveniently assembled and disassembled; and the air spring is more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of air springs, in particular to an air spring for a subway bogie with an axle box built-in articulated frame. Background Art

[0002] An air spring is a spring that is filled with compressed air in a retractable closed container and uses the elasticity of air. Air springs have ideal nonlinear elastic characteristics and can make vehicles more comfortable when driving. Therefore, air springs are used for cushioning on subway bogies to make passengers on the subway more comfortable.

[0003] When the existing air spring is in use, the installation and disassembly of the air spring is not convenient enough, which makes it troublesome to replace the air spring during the maintenance of the subway, which is not conducive to the use of the air spring. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: the installation and disassembly of the air spring is not convenient, which makes it troublesome to replace the air spring during the maintenance of the subway, which is not conducive to the use of the air spring, and proposes an axle box built-in articulated frame subway bogie air spring.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An air spring for a subway bogie with an articulated frame built into an axle box comprises a spring airbag, wherein mounting plates are fixedly arranged at the upper and lower ends of the spring airbag, and a mounting block is fixedly connected to the end of each mounting plate away from the spring airbag, and a fixing groove 1 is provided on the left and right side walls of each mounting block, and a connecting plate is slidably connected between the inner walls of each fixing groove 1, and a connecting card block is fixedly connected to the side wall of each connecting plate away from the inner side of the fixing groove 1, and each connecting card block extends to the outer side of the corresponding fixing groove 1, and a connecting groove is provided inside each mounting block, and each connecting groove is respectively communicated with the corresponding fixing groove 1, and an adjustment structure is provided on the inner side of each connecting groove.

[0007] Preferably, each of the adjustment structures includes an adjustment through slot opened on the side wall of the connecting slot, a connecting block is slidably connected to the inner side of each of the adjustment through slots, a fixing block is fixedly connected to the side wall of each of the connecting blocks close to the inside of the connecting slot and the bottom end of the connecting plate, a fixing slot 2 is opened on each of the fixing blocks, a fixing shaft is fixedly connected between the front and rear inner walls of each of the fixing slots 2, a fixing rod is arranged between each group of corresponding fixing shafts, and both ends of each of the fixing rods are rotatably sleeved on the outer side of the corresponding fixing shaft.

[0008] Preferably, each of the adjustment through slots is respectively arranged to penetrate the inner side wall of the corresponding connecting slot, and an adjustment block is slidably connected to the side wall of each mounting block, and each of the adjustment blocks is respectively fixedly connected to the corresponding connecting block.

[0009] Preferably, each of the side walls of the adjusting blocks is provided with carvings, and each of the side walls of the adjusting blocks is provided with chamfers at their corners.

[0010] Preferably, one end of each of the connecting plates away from the corresponding connecting block is fixedly connected to a connecting spring, and one end of each of the connecting springs away from the connecting block is respectively fixedly connected to the inner side wall of the corresponding fixing slot 1.

[0011] Preferably, each of the mounting plates is provided with a fixing bolt, and each of the mounting plates is fixedly connected to the spring airbag via the fixing bolt.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the mounting block, the spring airbag and the bogie are fixedly connected together by using the connecting clamp block, and the connecting plate can be adjusted by moving the adjustment block, so that the connecting clamp block is moved to the inner side of the fixed groove, so that the connecting clamp block is separated from the bogie, so that the entire device can be easily installed and disassembled, and the replacement of the device is more convenient, which is conducive to the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural schematic diagram of an axle box built-in articulated frame subway bogie air spring proposed by the utility model;

[0014] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0015] Figure 3 The utility model is a schematic structural diagram of an air spring for a subway bogie with an axle box built-in and an articulated frame.

[0016] In the figure: 1 spring airbag, 2 mounting plate, 3 mounting block, 4 fixing groove 1, 5 connecting groove, 6 connecting plate, 7 connecting block, 8 connecting spring, 9 adjusting through groove, 10 fixing block, 11 fixing groove 2, 12 fixing shaft, 13 fixing rod, 14 adjusting block, 15 connecting block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1-Figure 3A subway bogie air spring with an axle box built-in articulated frame includes a spring airbag 1, mounting plates 2 are fixedly arranged at both upper and lower ends of the spring airbag 1, a mounting block 3 is fixedly connected to one end of each mounting plate 2 away from the spring airbag 1, a fixing groove 4 is opened on the left and right side walls of each mounting block 3, a connecting plate 6 is slidably connected between the inner walls of each fixing groove 4, a connecting block 7 is fixedly connected to the side wall of each connecting plate 6 away from the inner side of the fixing groove 4, and each connecting block 7 extends to the outer side of the corresponding fixing groove 4 Each mounting block 3 is provided with a connecting groove 5, each connecting groove 5 is communicated with the corresponding fixing groove 4, and an adjusting structure is provided on the inner side of each connecting groove 5. The mounting block 3 is extended into the connecting port of the bogie, and the connecting block 7 is extended from the fixing groove 4 to fix the mounting block 3 and the bogie together. At the same time, the connecting plate 6 can be moved by the adjusting structure to move the connecting plate 6 and the connecting block 7 to the inner side of the fixing groove 4, so that the mounting block 3 is separated from the bogie, so that the spring airbag can be easily removed;

[0019] Each adjustment structure includes an adjustment through slot 9 provided on the side wall of the connecting slot 5, and a connecting block 15 is slidably connected to the inner side of each adjustment through slot 9, and a fixing block 10 is fixedly connected to a side wall of each connecting block 15 close to the inner side of the connecting slot 5 and the bottom end of the connecting plate 6, and a fixing slot 2 11 is provided on each fixing block 10, and a fixing shaft 12 is fixedly connected between the front and rear inner walls of each fixing slot 2 11, and a fixing rod 13 is provided between each group of corresponding fixing shafts 12, and the two ends of each fixing rod 13 are respectively rotatably sleeved on the outer side of the corresponding fixing shaft 12, so that the connecting block 15 moves upward, and when the connecting block 15 moves upward, the corresponding fixing block 10 is driven to move, thereby moving the fixing shaft 12 and the fixing rod 13, and when the fixing rod 13 moves, it squeezes the fixing block 10 and the connecting plate 6 at the other end, so that the connecting plate 6 moves toward the inner side of the fixing slot 1 4;

[0020] Each adjusting through slot 9 is respectively arranged to penetrate the inner side wall of the corresponding connecting slot 5, and an adjusting block 14 is slidably connected to the side wall of each mounting block 3, and each adjusting block 14 is respectively fixedly connected to the corresponding connecting block 15, and moving the adjusting block 14 can move the connecting block 15; each adjusting block 14 is provided with a groove on the side wall to achieve an anti-slip effect, and each adjusting block 14 is provided with a chamfer at the corner of the side wall to facilitate the movement of the adjusting block 14;

[0021] One end of each connecting plate 6 away from the corresponding connecting block 7 is fixedly connected to a connecting spring 8, and one end of each connecting spring 8 away from the connecting block 7 is fixedly connected to the inner wall of the corresponding fixing groove 4. The elastic force of the connecting spring 8 causes the connecting plate 6 and the connecting block 7 to move toward the outside of the mounting block 3; each mounting plate 2 is provided with a fixing bolt, and each mounting plate 2 is fixedly connected to the spring airbag 1 by the fixing bolt, and the spring airbag 1 is fixed together with the mounting plate 2 and the mounting block 3 by the fixing bolt, so as to facilitate the installation of the spring airbag 1.

[0022] In the utility model, when the device is in use, first push the connecting block 7 into the fixing groove 4, then extend the mounting block 3 into the connecting port of the bogie, under the action of the elastic force of the connecting spring 8, the connecting plate 6 and the connecting block 7 move toward the outside of the mounting block 3, so that the connecting block 7 extends out from the fixing groove 4, so that the mounting block 3 and the bogie are fixedly connected together, and at the same time, the adjusting block 14 is moved to make the connecting block 15 move upward, and when the connecting block 15 moves upward, it will drive the corresponding fixing block 10 to move, thereby moving the fixing shaft 12 and the fixing rod 13, and when the fixing rod 13 moves, it will squeeze the fixing block 10 and the connecting plate 6 at the other end, so that the connecting plate 6 moves toward the inside of the fixing groove 4, so that the mounting block 3 is separated from the bogie, so that the spring airbag can be easily removed.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An axle box built-in articulated frame subway bogie air spring, comprising a spring airbag (1), characterized in that: Mounting plates (2) are fixedly arranged at both upper and lower ends of the spring airbag (1); one end of each mounting plate (2) away from the spring airbag (1) is fixedly connected to a mounting block (3); a fixing groove (4) is provided on the left and right side walls of each mounting block (3); a connecting plate (6) is slidably connected between the inner walls of each fixing groove (4); a connecting block (7) is fixedly connected to the side wall of each connecting plate (6) away from the inner side of the fixing groove (4); each connecting block (7) extends outward from the outer side of the corresponding fixing groove (4); a connecting groove (5) is provided inside each mounting block (3); each connecting groove (5) is communicated with the corresponding fixing groove (4), and an adjustment structure is provided on the inner side of each connecting groove (5).

2. The axle box built-in articulated frame subway bogie air spring according to claim 1, characterized in that: Each of the adjustment structures comprises an adjustment through slot (9) formed on a side wall of the connection slot (5); a connection block (15) is slidably connected to the inner side of each of the adjustment through slots (9); a fixing block (10) is fixedly connected to a side wall of each of the connection blocks (15) close to the inside of the connection slot (5) and the bottom end of the connection plate (6); each of the fixing blocks (10) is formed with a second fixing slot (11); a fixing shaft (12) is fixedly connected between the front and rear inner walls of each of the second fixing slots (11); a fixing rod (13) is provided between each group of corresponding fixing shafts (12); and two ends of each of the fixing rods (13) are rotatably sleeved on the outer side of the corresponding fixing shaft (12).

3. The axle box built-in articulated frame subway bogie air spring according to claim 2, characterized in that: Each of the adjustment through slots (9) is respectively arranged to penetrate the inner side wall of the corresponding connection slot (5); an adjustment block (14) is slidably connected to the side wall of each of the mounting blocks (3); and each of the adjustment blocks (14) is respectively fixedly connected to the corresponding connection block (15).

4. The axle box built-in articulated frame subway bogie air spring according to claim 3, characterized in that: The side wall of each adjusting block (14) is provided with an engraving, and the corners of the side wall of each adjusting block (14) are provided with a chamfer.

5. The axle box built-in articulated frame subway bogie air spring according to claim 1, characterized in that: One end of each connecting plate (6) away from the corresponding connecting block (7) is fixedly connected to a connecting spring (8), and one end of each connecting spring (8) away from the connecting block (7) is respectively fixedly connected to the inner side wall of the corresponding fixing groove 1 (4).

6. The axle box built-in articulated frame subway bogie air spring according to claim 1, characterized in that: Each of the mounting plates (2) is provided with a fixing bolt, and each of the mounting plates (2) is fixedly connected to the spring airbag (1) via the fixing bolt.

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