Novel train bogie frame damping device

Abstract

The utility model discloses a novel train bogie framework damping device, which belongs to the technical field of train bogie frameworks, and is characterized by comprising a framework body, a damping component is fixedly connected to the bottom of the framework body, a hydraulic component is fixedly connected to the bottom of the damping component, and the damping component comprises a supporting bottom. The supporting bottom is fixedly connected to the bottom of the framework body, the bottom of the supporting bottom is fixedly connected with a limiting block, and the bottom of the limiting block is fixedly connected with a sliding rod. Damping of the framework body is achieved by arranging the damping assembly, and the situation that the riding comfort of passengers is reduced due to strenuous vibration of the framework body in the running process is avoided; and meanwhile, damage to each connecting part of the framework body in vibration is reduced, so that the service life of the framework body is prolonged, the hydraulic assembly is arranged to be matched with the damping assembly, so that damping operation is assisted, the damping effect is enhanced, and the situation that the vibration is enhanced by springs in the damping assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of train bogie frames, in particular to a novel train bogie frame shock absorbing device. Background Art

[0002] The train bogie frame is an important component of the rail vehicle bogie. It is a skeleton structure that supports and connects the various components of the bogie and is usually made of steel.

[0003] The existing bogie frames are all H-shaped. The H-shaped bogie frame has a large lateral dimension, which leads to a corresponding increase in the size of the track beam and pier structure, resulting in a larger amount of steel used, which increases the cost of line construction.

[0004] A bogie frame is disclosed (Announcement No.: CN213799625U), which can reduce the structural dimensions of the track beam and the pier column supporting the track beam, so as to reduce the amount of steel used and achieve the purpose of reducing the cost of line construction.

[0005] In view of the above problems, existing patents have provided solutions, but when the existing train bogie frame is in motion, the passengers' riding comfort will be reduced when it vibrates. At the same time, the structural components of the frame body, such as welding points, will accelerate their fatigue damage and reduce their service life when vibrated for a long time.

[0006] Therefore, a novel train bogie frame shock absorbing device is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a novel train bogie frame shock absorbing device, which can solve the problem that the existing train bogie frame will reduce the riding comfort of passengers when it vibrates during driving, and at the same time, the structural components of the frame body itself, such as welding points, will accelerate their fatigue damage and reduce their service life when vibrated for a long time.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel train bogie frame shock absorbing device, comprising a frame body, a shock absorbing assembly is fixedly connected to the bottom of the frame body, and a hydraulic assembly is fixedly connected to the bottom of the shock absorbing assembly;

[0009] The shock absorbing assembly includes a supporting bottom, which is fixedly connected to the bottom of the frame body, the bottom of the supporting bottom is fixedly connected to a limiting block, the bottom of the limiting block is fixedly connected to a sliding rod, the bottom of the sliding rod is fixedly connected to a piston, the piston is movably connected to the inside of the hydraulic assembly, the bottom of the supporting bottom is fixedly connected to a shock absorbing spring, the bottom of the shock absorbing spring is fixedly connected to a connecting bottom, and the connecting bottom is fixedly connected to the surface of the hydraulic assembly.

[0010] Preferably, the hydraulic assembly includes a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the inside of the connecting bottom, the shock-absorbing spring is sleeved on the surface of the connecting bottom, the bottom of the hydraulic cylinder is fixedly connected to a pipe seat, and the inside of the pipe seat is fixedly connected to an oil pipe.

[0011] Preferably, a connection block is fixedly connected to the surface of the hydraulic cylinder, a side of the connection block away from the hydraulic cylinder is fixedly connected to the oil cylinder, and a side of the oil pipe close to the oil cylinder is fixedly connected to the oil cylinder.

[0012] Preferably, the oil pipe is fixedly connected to the hydraulic cylinder on one side thereof close to the hydraulic cylinder, and oil holes for use with the oil pipe are provided inside the hydraulic cylinder and the oil cylinder, and an adjusting member is fixedly connected inside the oil pipe.

[0013] Preferably, an annular groove is provided inside the piston, a plug ring is clamped inside the annular groove, and a side of the plug ring close to the hydraulic cylinder is in close contact with the inside of the hydraulic cylinder.

[0014] Preferably, a slide groove used in conjunction with a slide rod is provided inside the hydraulic cylinder, a sealing ring is fixedly connected inside the slide groove, and the slide rod is movably connected inside the sealing ring.

[0015] Preferably, a connecting seat is fixedly connected to the top of the frame body, the number of the connecting seats is set to two and is evenly distributed on the top of the frame body, and a supporting rod is fixedly connected to the inside of the frame body.

[0016] Preferably, the bottom of the hydraulic assembly is fixedly connected to an axle box, and the interior of the axle box is rotatably connected to a wheel axle.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application realizes the vibration reduction of the frame body by setting a vibration reduction component, thereby preventing the frame body from vibrating violently during operation, which results in a decrease in passenger comfort, and at the same time reduces the damage to the various connecting parts of the frame body during vibration, thereby increasing its service life;

[0019] 2. The present application sets a hydraulic component to cooperate with the shock absorbing component, thereby assisting it in performing shock absorbing operations, enhancing its shock absorbing effect, and preventing the spring in the shock absorbing component from increasing vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the overall structural diagram of the novel train bogie frame shock absorbing device of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the shock absorbing assembly of the utility model;

[0022] Figure 3This is a schematic diagram of the structure of the hydraulic assembly of the utility model;

[0023] Figure 4 This is a connection diagram of the pipe socket of the utility model;

[0024] Figure 5 It is a connection schematic diagram of the hydraulic cylinder of the utility model.

[0025] In the figure, 1. frame body; 2. shock-absorbing assembly; 201. supporting bottom; 202. limiting block; 203. sliding rod; 204. piston; 205. shock-absorbing spring; 206. connecting bottom; 3. hydraulic assembly; 301. hydraulic cylinder; 302. pipe seat; 303. oil pipe; 4. connecting block; 5. oil cylinder; 6. oil hole; 7. adjusting part; 8. ring groove; 9. plug ring; 10. sliding groove; 11. sealing ring; 12. connecting seat; 13. supporting rod; 14. axle box; 15. wheel axle. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5 , the utility model provides a technical solution:

[0028] A novel train bogie frame shock absorbing device comprises a frame body 1, a shock absorbing component 2 is fixedly connected to the bottom of the frame body 1, and a hydraulic component 3 is fixedly connected to the bottom of the shock absorbing component 2;

[0029] The shock absorbing assembly 2 includes a supporting base 201, which is fixedly connected to the bottom of the frame body 1, and the bottom of the supporting base 201 is fixedly connected to a limiting block 202, and the bottom of the limiting block 202 is fixedly connected to a sliding rod 203, and the bottom of the sliding rod 203 is fixedly connected to a piston 204, and the piston 204 is movably connected to the inside of the hydraulic assembly 3, and the bottom of the supporting base 201 is fixedly connected to a shock absorbing spring 205, and the bottom of the shock absorbing spring 205 is fixedly connected to a connecting base 206, and the connecting base 206 is fixedly connected to the surface of the hydraulic assembly 3.

[0030] In this embodiment: the shock absorbing component 2 is fixed by the frame body 1, and the hydraulic component 3 is fixed by the shock absorbing component 2, and finally the hydraulic component 3 cooperates with the shock absorbing component 2 to realize the shock absorption of the frame body 1, the support bottom 201 is fixed by the frame body 1, and then the limit block 202 is fixed by the support bottom 201, and the slide bar 203 is fixed by the limit block 202, and then the piston 204 is fixed by the slide bar 203, and the piston 204 is movably connected to the inside of the hydraulic component 3 so as to cooperate with the hydraulic component 3 to realize the shock absorption of the frame body 1, and then the shock absorbing spring 205 is fixed by the support bottom 201, and the connecting bottom 206 is fixed by the shock absorbing spring 205, so that it is convenient for the shock absorbing spring 205 to realize the shock absorption of the frame body 1, and finally the connection effect with the hydraulic component 3 is achieved through the connecting bottom 206.

[0031] Specifically, Figure 3 As shown, the hydraulic assembly 3 includes a hydraulic cylinder 301, which is fixedly connected to the inside of the connecting bottom 206, and the shock-absorbing spring 205 is sleeved on the surface of the connecting bottom 206. The bottom of the hydraulic cylinder 301 is fixedly connected to a pipe seat 302, and the inside of the pipe seat 302 is fixedly connected to an oil pipe 303.

[0032] Specifically, Figure 4 As shown, a connection block 4 is fixedly connected to the surface of the hydraulic cylinder 301 , a side of the connection block 4 away from the hydraulic cylinder 301 is fixedly connected to the oil cylinder 5 , and a side of the oil pipe 303 close to the oil cylinder 5 is fixedly connected to the oil cylinder 5 .

[0033] Specifically, Figure 4 As shown, the side of the oil pipe 303 close to the hydraulic cylinder 301 is fixedly connected to the hydraulic cylinder 301 , and the insides of the hydraulic cylinder 301 and the oil cylinder 5 are both provided with oil holes 6 for use with the oil pipe 303 , and the inside of the oil pipe 303 is fixedly connected with an adjusting member 7 .

[0034] In this embodiment: the hydraulic cylinder 301 is fixed by connecting the bottom 206, and the pipe seat 302 is fixed by the hydraulic cylinder 301, and then the oil pipe 303 is fixed by the pipe seat 302, and the connecting block 4 is fixed by the hydraulic cylinder 301, and then the oil cylinder 5 is fixed by the connecting block 4, and the oil cylinder 5 is fixedly connected with the oil pipe 303, so that the hydraulic oil can enter the hydraulic cylinder 301 and the oil cylinder 5 through the oil pipe 303, and then the oil hole 6 opened in the hydraulic cylinder 301 and the oil cylinder 5 cooperates with the oil pipe 303 to realize the transportation of hydraulic oil, and finally the adjusting member 7 is fixed by the oil pipe 303, and the effect of adjusting the damping of the hydraulic oil is achieved through the adjusting member 7.

[0035] Specifically, Figure 5 As shown, an annular groove 8 is provided inside the piston 204 , a plug ring 9 is clamped inside the annular groove 8 , and the side of the plug ring 9 close to the hydraulic cylinder 301 is in close contact with the inside of the hydraulic cylinder 301 .

[0036] Specifically, Figure 5 As shown, a slide groove 10 used in conjunction with the slide rod 203 is provided inside the hydraulic cylinder 301 , a sealing ring 11 is fixedly connected inside the slide groove 10 , and the slide rod 203 is movably connected inside the sealing ring 11 .

[0037] In this embodiment: the plug ring 9 is fixed by the ring groove 8 opened in the piston 204, and then the plug ring 9 is in close contact with the inside of the hydraulic cylinder 301 to cooperate with the piston 204 to push the hydraulic oil in the hydraulic cylinder 301, and then the sealing ring 11 is fixed by the slide groove 10 opened in the hydraulic cylinder 301, and the sealing ring 11 cooperates with the slide rod 203, so as to facilitate the movement of the slide rod 203 and avoid leakage of hydraulic oil.

[0038] Specifically, Figure 1 As shown, a connection seat 12 is fixedly connected to the top of the frame body 1 , the number of the connection seats 12 is set to two and evenly distributed on the top of the frame body 1 , and a support rod 13 is fixedly connected to the inside of the frame body 1 .

[0039] Specifically, Figure 1 As shown, the bottom of the hydraulic assembly 3 is fixedly connected to an axle box 14, and the interior of the axle box 14 is rotatably connected to an axle 15.

[0040] In this embodiment: the connecting seat 12 is fixed by the frame body 1, and then the connecting seat 12 is used to facilitate the frame body 1 to connect to other equipment of the bogie, and then the support rod 13 is fixed by the frame body 1, and the stability of the frame body 1 is improved through the support frame, and then the axle box 14 is fixed by the hydraulic component 3, and the rotation position of the axle 15 is limited by the axle box 14, and finally the axle 15 is used to facilitate the movement of the frame.

[0041] Working principle: When vibration occurs during the track travel of the frame body 1, the frame body 1 is connected to the axle box 14 and the wheel axle 15 through the hydraulic assembly 3 and the shock absorbing assembly 2, and the frame body 1 is driven on the track through the axle box 14 and the wheel axle 15. When the frame body 1 vibrates, the shock absorbing spring 205 inside the shock absorbing assembly 3 is squeezed and deformed by the supporting bottom 201 and the connecting bottom 206. At the same time, when the frame body 1 vibrates, the piston 204 and the plug ring 9 are driven to move in the hydraulic cylinder 301 through the sliding rod 203, and the hydraulic oil inside the hydraulic cylinder 301 is squeezed. Then, the hydraulic oil is squeezed into the oil cylinder 5 through the oil pipe 303, and the damping size of the hydraulic oil when passing through the oil pipe 303 is adjusted by the adjusting member 7. When the hydraulic oil is squeezed into the oil cylinder 5, the vibration generated is absorbed in cooperation with the shock absorbing spring 205, and the shock absorbing spring 205 is prevented from amplifying the vibration during the resetting process, thereby achieving shock reduction of the frame body 1.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel train bogie frame damping device, comprising a frame body (1), characterized in that: The bottom of the frame body (1) is fixedly connected to a shock absorbing assembly (2), and the bottom of the shock absorbing assembly (2) is fixedly connected to a hydraulic assembly (3); The shock absorbing assembly (2) comprises a supporting bottom (201), wherein the supporting bottom (201) is fixedly connected to the bottom of the frame body (1), the bottom of the supporting bottom (201) is fixedly connected to a limiting block (202), the bottom of the limiting block (202) is fixedly connected to a sliding rod (203), the bottom of the sliding rod (203) is fixedly connected to a piston (204), the piston (204) is movably connected to the inside of the hydraulic assembly (3), the bottom of the supporting bottom (201) is fixedly connected to a shock absorbing spring (205), the bottom of the shock absorbing spring (205) is fixedly connected to a connecting bottom (206), and the connecting bottom (206) is fixedly connected to the surface of the hydraulic assembly (3).

2. A novel train bogie frame shock absorbing device according to claim 1, characterized in that: The hydraulic assembly (3) comprises a hydraulic cylinder (301), wherein the hydraulic cylinder (301) is fixedly connected to the inside of a connecting bottom (206), the shock absorbing spring (205) is sleeved on the surface of the connecting bottom (206), the bottom of the hydraulic cylinder (301) is fixedly connected to a pipe seat (302), and the inside of the pipe seat (302) is fixedly connected to an oil pipe (303).

3. A novel train bogie frame shock absorbing device according to claim 2, characterized in that: A connection block (4) is fixedly connected to the surface of the hydraulic cylinder (301); a side of the connection block (4) away from the hydraulic cylinder (301) is fixedly connected to an oil cylinder (5); and a side of the oil pipe (303) close to the oil cylinder (5) is fixedly connected to the oil cylinder (5).

4. A novel train bogie frame shock absorbing device according to claim 3, characterized in that: The oil pipe (303) is fixedly connected to the hydraulic cylinder (301) on one side thereof, and the hydraulic cylinder (301) and the oil cylinder (5) are both provided with oil holes (6) for use with the oil pipe (303). The oil pipe (303) is fixedly connected to the inside with an adjusting member (7).

5. The novel train bogie frame shock absorbing device according to claim 2 is characterized in that: The piston (204) is provided with an annular groove (8) inside which a plug ring (9) is clamped. The side of the plug ring (9) close to the hydraulic cylinder (301) is in close contact with the inside of the hydraulic cylinder (301).

6. A novel train bogie frame shock absorbing device according to claim 5, characterized in that: The hydraulic cylinder (301) is provided with a slide groove (10) for use with the slide rod (203). A sealing ring (11) is fixedly connected to the inside of the slide groove (10), and the slide rod (203) is movably connected to the inside of the sealing ring (11).

7. The novel train bogie frame shock absorbing device according to claim 1 is characterized in that: The top of the frame body (1) is fixedly connected to a connection seat (12), the number of the connection seats (12) is set to two and is evenly distributed on the top of the frame body (1), and the interior of the frame body (1) is fixedly connected to a support rod (13).

8. A novel train bogie frame shock absorbing device according to claim 7, characterized in that: The bottom of the hydraulic assembly (3) is fixedly connected to an axle box (14), and the interior of the axle box (14) is rotatably connected to an axle (15).

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