CN117799655A

CN117799655A - A craft bogie with buffering function

Info

Publication number: CN117799655A
Application number: CN202410005111.5A
Authority: CN
Inventors: 齐志新; 张连超; 高建龙; 张启辉
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2024-01-03
Filing date: 2024-01-03
Publication date: 2024-04-02

Abstract

The invention discloses a process bogie with a buffering function, and belongs to the technical field of bogies; the invention is provided with a cross beam connected with a vehicle body, side beams arranged at two ends of the cross beam and a pair of wheels arranged at the end parts of the side beams; the sliding plates are fixedly connected to two ends of the cross beam, the sliding plates can penetrate through sliding grooves formed in the side beams, the sliding grooves are located on the upper portion and the lower portion of the sliding plates, movement strokes are formed in the sliding plates, and first springs are mounted in the movement strokes and used for providing damping force for movement of the sliding plates; the automobile beam is stable and reliable in structure, safe to use and good in damping effect, and the probability of damaging automobile parts during in-factory moving is effectively reduced.

Description

Process bogie with buffering function

Technical Field

The invention relates to the technical field of bogies, in particular to a process bogie with a buffering function.

Background

The process bogie is one of the most important components during the vehicle migration in the railway vehicle manufacturing process, has the important effects of supporting the vehicle body, bearing and transmitting various loads and acting forces from the vehicle body to wheels or from wheel rails to the vehicle body, uniformly distributing axle weights and the like, and the travelling wheels can be subjected to impact and vibration from the line due to the fact that the line is unsmooth or the track is high and low in level with a transfer platform in the migration operation process of the vehicle, the bogie and the vehicle body generate interaction forces under the impact and vibration effects, the existing process bogie and the vehicle body do not have good buffering, and parts of equipment and travelling parts of the vehicle can be loosened and damaged frequently, so that the service life of the whole process bogie is shortened, and the damage probability of the vehicle parts is increased;

therefore, based on the above-mentioned problems, how to solve the problem that the bogie and the car body do not have good buffering when the vehicle is moved in the vehicle manufacturing process in the bogie in the prior art becomes an important technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the process bogie with the buffer function, which can avoid the interaction impact between the bogie and a vehicle body caused by the vibration transmitted by wheels, effectively reduce the damage probability of vehicle parts and prolong the service life of the process bogie.

In order to achieve the above object, the present invention provides the following technical solutions:

the invention discloses a process bogie with a buffering function, which comprises the following components:

the vehicle comprises a cross beam connected with a vehicle body, side beams arranged at two ends of the cross beam, and a pair of wheels arranged at the end parts of the side beams;

the sliding plates are fixedly connected to two ends of the cross beam, the sliding plates can penetrate through sliding grooves formed in the side beams, the sliding grooves are located on the upper portion and the lower portion of the sliding plates, movement strokes are formed in the sliding plates, and first springs are mounted in the movement strokes and used for providing damping force for movement of the sliding plates; and also comprises

The two reinforcing rods are arranged below the cross beam, two ends of each reinforcing rod are fixedly connected with the side beams, and an auxiliary shock absorbing piece is connected between each reinforcing rod and the cross beam.

Further, the guide rod is fixedly connected in the sliding groove and can penetrate through the sliding plate, the guide rod is positioned on the upper surface and the lower surface of the sliding plate and is sleeved with the first spring, and the side, away from the cross beam, of the sliding plate is fixedly connected with a limiting stop bar.

Further, the auxiliary damping piece comprises a sleeve sleeved at two ends of the reinforcing rod, one side of the sleeve is rotatably connected with a movable rod, the movable rod is far away from the sleeve end and is connected with the cross beam through a hinge shaft, a second spring is sleeved on the reinforcing rod, one end of the second spring is connected with the sleeve, and the other end of the second spring is connected with the side beam.

Further, an ear plate is fixedly connected to one side of the sleeve, and the ear plate is rotatably connected with the movable rod through a movable bolt or a shaft.

Further, the upper surface of the beam is fixedly connected with a supporting plate, and the upper part of the supporting plate is fixedly connected with a tractor for being connected with a vehicle body.

Further, the inside vacuum chamber that has of layer board, install the corrugated reinforcing plate in the vacuum chamber, the corrugated reinforcing plate with laid the acoustic celotex board between the vacuum chamber lateral wall.

Further, the vacuum chamber also comprises sound absorbing cotton, and the side walls of the vacuum chamber are paved with the sound absorbing cotton.

In the technical scheme, the process bogie with the buffer function has the beneficial effects that:

the invention designs a process bogie with a buffering function, which is compared with the prior art:

firstly, by additionally arranging sliding plates at two ends of a cross beam, sliding grooves formed in side beams, the sliding plates can be arranged in the sliding grooves and move up and down in the moving stroke of the sliding grooves, first springs are arranged in the moving stroke of the sliding plates, and damping force is provided for the movement of the sliding plates through the first springs, so that the cross beam slowly rises and falls;

secondly, the two side beams are positioned below the cross beams and are connected with reinforcing rods, an auxiliary damping part is connected between the cross beams of the reinforcing rods, so that the cross beams are further lifted slowly;

in addition, the inside of layer board is equipped with the vacuum chamber, and the vacuum chamber inner wall is installed and is inhaled the sound cotton, can play the effect of making an uproar to the in-process of noise transmission through the vacuum chamber, and the inside in vacuum chamber is equipped with the flute reinforcing plate, can increase the bearing capacity of layer board in the use through the flute reinforcing plate, avoids the layer board in the use because the train automobile body causes the collapse to it, has improved this bogie safety in utilization.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure of a process bogie with buffering function according to the present disclosure;

FIG. 2 is an exploded view of a process truck with cushioning according to the present disclosure;

FIG. 3 is a bottom view of a process truck beam having a cushioning function in accordance with the present disclosure;

fig. 4 is a cross-sectional view of a process bogie blade with cushioning function as disclosed herein.

Reference numerals illustrate:

1. a cross beam; 2. a slide plate; 3. a limit stop bar; 4. a side beam; 5. a chute; 6. a guide rod; 7. a first spring; 8. a reinforcing rod; 9. a sleeve; 10. a movable rod; 11. a hinge shaft; 12. a second spring; 13. a supporting plate; 14. a vacuum chamber; 15. sound absorbing cotton; 16. corrugated reinforcing plates; 17. a sound insulation board; 18. a wheel alignment; 19. a tractor.

Detailed Description

In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

See fig. 1, 2;

the invention discloses a process bogie with buffering function, which comprises the following components:

the vehicle comprises a cross beam 1 connected with a vehicle body, side beams 4 arranged at two ends of the cross beam 1, and a pair of wheels 18 arranged at the end parts of the side beams 4;

the two ends of the cross beam 1 are fixedly connected with sliding plates 2 which can penetrate through sliding grooves 5 formed in the side beams 4, the sliding grooves 5 are positioned at the upper part and the lower part of the sliding plates 2 and form movement strokes, and the sliding plates 2 are positioned in the movement strokes and are provided with first springs 7 for providing damping force for the movement of the sliding plates 2;

the process bogie further comprises two reinforcing rods 8 which are arranged on two sides below the cross beam 1, two ends of each reinforcing rod 8 are fixedly connected with the side beams 4, and auxiliary shock absorbing members are connected between the reinforcing rods 8 and the cross beam 1, wherein the reinforcing rods 8 are arranged in parallel with the cross beam 1.

In this structure, through add slide 2 at crossbeam 1 both ends, slide 5 that curb girder 4 was seted up, slide 2 can be placed in spout 5 to up-and-down motion in spout 5 motion journey, slide 2 is located and all installs first spring 7 in the motion journey, provide damping force for slide 2 motion through first spring 7, make crossbeam 1 slowly go up and down, two curb girders 4 are located crossbeam 1 below and are connected with stiffener 8, be connected with auxiliary shock absorber between stiffener 8 and the crossbeam 1, further make crossbeam 1 slowly go up and down, this technology bogie passes through auxiliary shock absorber and first spring 7 cooperation, realizes that the train receives the vibrations after, plays the cushioning effect to crossbeam 1, realizes the slowly going up and down of crossbeam 1, has increased the stability of automobile body, reduce the vibrations of automobile body in the vehicle running process.

See fig. 2:

in order to improve the stability of the movement of the first spring 7, preferably, the guide rod 6 capable of penetrating through the sliding plate 2 is fixedly connected in the sliding groove 5, the guide rod 6 is positioned on the upper surface and the lower surface of the sliding plate 2, the first spring 7 is sleeved on the guide rod 6, the movement direction of the first spring 7 is guided by the guide rod 6, the sliding plate 2 is fixedly connected with the limit stop 3 on the side far away from the cross beam 1, and the sliding plate 2 is blocked from the sliding groove 5 by the limit stop 3, so that the structural reliability is improved.

See fig. 2, 3:

preferably, the auxiliary damping member comprises a sleeve 9 sleeved at two ends of the reinforcing rod 8, one side of the sleeve 9 is rotatably connected with a movable rod 10, specifically, one side of the sleeve 9 is fixedly connected with an ear plate, the ear plate is rotatably connected with the movable rod 10 through a movable bolt or a shaft, and the sleeve 9 is rotatably connected with the movable rod 10 through the movable bolt or the shaft, so that the rotation flexibility of the movable rod 10 can be effectively increased;

the end of the movable rod 10 far away from the sleeve 9 is connected with the cross beam 1 through a hinge shaft 11, wherein a second spring 12 is sleeved on the reinforcing rod 8, one end of the second spring 12 is connected with the sleeve 9, and the other end is connected with the side beam 4.

Specifically, in this structure, by connecting the auxiliary damper between the reinforcing rod 8 and the cross member 1, when the bogie is used: firstly, a train body is mounted on a cross beam 1, when a bogie is subjected to jolt vibration in the using process, at the moment, sliding plates 2 at two ends of the cross beam 1 move up and down in sliding grooves 5 on side beams 4, guide rods 6 play a role in guiding and limiting the sliding plates 2 in the sliding process of the sliding plates 2, stability of lifting and sliding of the sliding plates 2 is improved, deflection in the sliding process is avoided, a first spring 7 on the guide rods 6 is extruded when the sliding plates 2 are subjected to jolt up and down, the first spring 7 is a compression spring in the prior art, and because the spring has elasticity, the first spring 7 buffers the sliding plates 2 when the sliding plates 2 slide down, so that the buffer effect on the cross beam 1 can be achieved, the vibration of the train body mounted on the cross beam 1 is reduced, and stability in the running process of the train is improved;

secondly, the movable rod 10 below is pushed and pulled in the lifting process of the cross beam 1, the sleeve 9 slides on the reinforcing rod 8 when the movable rod 10 is pushed and pulled, the second spring 12 on the reinforcing rod 8 is pushed and pulled when the sleeve 9 slides, the second spring 12 has a buffering function on the sleeve 9 when the sleeve 9 pushes and pulls the second spring 12, the movable rod 10 slowly pushes the sleeve 9, the slow lifting of the cross beam 1 is further realized, and the buffering function on the cross beam 1 is realized.

See fig. 1, 2, 4:

preferably, the upper surface of the cross beam 1 is fixedly connected with a supporting plate 13, and the upper part of the supporting plate 13 is fixedly connected with a tractor 19 for being connected with a vehicle body.

The supporting plate 13 is internally provided with a vacuum cavity 14, a corrugated reinforcing plate 16 is arranged in the vacuum cavity 14, and a sound insulation plate 17 is laid between the corrugated reinforcing plate 16 and the side wall of the vacuum cavity 14.

The process bogie further comprises sound-absorbing cotton 15, and the sound-absorbing cotton 15 is paved on the side wall of the vacuum cavity 14.

Specifically, in the structure, the supporting plate 13 is fixedly arranged on the cross beam 1, the vacuum cavity 14 is arranged in the supporting plate 13, and the sound absorbing cotton 15 is arranged on the inner wall of the vacuum cavity 14, so that when collision vibration is generated between the wheels 18 and the track, the vibration is reduced and transmitted to the train body through the supporting plate 13, the vibration of the train body is relieved, meanwhile, noise is generated between the wheels and the track in the running process, and the vacuum cavity 14 in the supporting plate 13 can play a role in reducing the noise in the noise transmission process;

the inside of vacuum cavity 14 is equipped with corrugated reinforcing plate 16, and corrugated reinforcing plate 16 can increase the bearing capacity of layer board 13 in the use, avoids layer board 13 in the use because the train automobile body causes the collapse to it, has increased the security that layer board 13 used, is connected through acoustic celotex board 17 between corrugated reinforcing plate 16 and the vacuum cavity 14 inner wall, and the noise reduction passes through corrugated reinforcing plate 16 and transmits on the train.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.

Claims

1. A craft bogie with buffering function, including:

The crossbeam (1) connected to the vehicle body, the side beams (4) provided at both ends of the crossbeam (1), and the counter wheels (18) installed at the ends of the side beams (4) are characterized by;

Both ends of the cross beam (1) are fixedly connected with a sliding plate (2) that can penetrate the chute (5) opened in the side beam (4), and the chute (5) is located on the upper part of the sliding plate (2). The sliding plate (2) is provided with a first spring (7) within the moving stroke to provide damping force for the movement of the sliding plate (2); it also includes

Two reinforcing rods (8) are arranged below the cross beam (1), and both ends of the reinforcing rod (8) are fixedly connected to the side beam (4). Auxiliary shock absorbing parts are connected between the cross beams (1).

2. A process bogie with a buffering function according to claim 1, characterized in that;

Guide rod (6), the guide rod (6) that can penetrate the slide plate (2) is fixed in the chute (5), and the guide rod (6) is located on the upper surface of the slide plate (2). The first spring (7) is set on the lower surface of the slide plate (2), and the limit bar (3) is fixedly connected to the side of the slide plate (2) away from the cross beam (1).

3. A process bogie with a buffering function according to claim 1, characterized in that;

The auxiliary shock absorbing component comprises a sleeve (9) sleeved on both ends of the reinforcing rod (8), one side of the sleeve (9) is rotatably connected to a movable rod (10), and the end of the movable rod (10) away from the sleeve (9) is connected to the cross beam (1) through a hinge shaft (11), wherein a second spring (12) is sleeved on the reinforcing rod (8), one end of the second spring (12) is connected to the sleeve (9), and the other end is connected to the side beam (4).

4. A process bogie with a buffering function according to claim 3, characterized in that;

An ear plate is fixedly connected to one side of the sleeve (9), and the ear plate is rotatably connected to the movable rod (10) through a movable bolt or shaft.

5. A process bogie with a buffering function according to claim 1, characterized in that;

A support plate (13) is fixedly connected to the upper surface of the cross beam (1), and a tractor (19) is fixedly connected to the upper part of the support plate (13) for connection with the vehicle body.

6. A process bogie with a buffering function according to claim 5, characterized in that;

There is a vacuum chamber (14) inside the supporting plate (13), and a corrugated reinforcing plate (16) is installed in the vacuum chamber (14). The corrugated reinforcing plate (16) is connected to the side wall of the vacuum chamber (14). Sound insulation panels (17) are laid between them.

7. A process bogie with a buffering function according to claim 6, characterized in that;

It also includes sound-absorbing cotton (15), and the side walls of the vacuum chamber (14) are covered with the sound-absorbing cotton (15).