Axle box body for steering of motor train unit

Abstract

The utility model relates to the technical field of axle box bodies, and discloses an axle box body for steering of a motor train unit, which comprises an axle box body, side frames are fixedly connected to the left end and the right end of the axle box body, buffer mechanisms are arranged on the surfaces of the side frames, a connecting mechanism is arranged at the top of the axle box body, and a main shaft is rotatably connected to the center in the axle box body. A mounting seat is mounted at the top of the main shaft, side frames are fixedly connected to the left end and the right end of the axle box body, the buffer mechanism comprises a base, the base is mounted in the side frames, and hydraulic shock absorption damping buffer columns are fixedly connected to the top of the base. Vibration and shaking generated at the connecting positions of the carriages can be transmitted to the hydraulic damping buffering columns and the hydraulic damping springs in the side frames, the influence of vibration and shaking on the connecting positions of the carriages can be effectively reduced through the arrangement of the hydraulic damping buffering columns and the hydraulic damping springs, and therefore the stability of the axle box body and the safety of a train are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle box technology field, concretely is a motor train unit turns to axle box. BACKGROUND

[0002] With the popularity of high-speed rail, subway and other rail vehicles, in addition to meet the comfort needs of passengers, the safe operation of rail vehicles is the measurement standard that the current research and development system pays special attention to, bogie and car body are the main components of train. The axle box structure is the movable joint connecting the frame and the wheel set, in addition to transmitting forces and vibrations in all directions, the axle box body must ensure that the wheel set can adapt to the line conditions.

[0003] According to the axle box and the bogie with the axle box provided in the patent network (the authorized announcement number is: CN205601854U) "the utility model provides a kind of axle box, including: integrally formed axle box body, with the axle box inner hole for installing axle box bearing, the inner wall of the axle box inner hole is provided with overhanging ring, the axle box body extends to two sides and is formed with a set of suspension mounting seat respectively;Axle box cover, located in the side of the axle box body, and the both sides are detachably fixed connection. This scheme has the characteristics of good processing technology, and the working strength is improved as a whole;It is easy to assemble, especially convenient for disassembly during overhaul and maintenance, and the operability is good. On this basis, the utility model further provides a kind of bogie."

[0004] According to the above content, the applicant considers that the following defects exist:

[0005] The axle box and the bogie with the axle box include integrally formed axle box body, easy to assemble, especially convenient for disassembly during overhaul and maintenance, and the operability is good. On this basis, the utility model further provides a kind of bogie, but the box body will be affected during the operation of the motor train, which will affect the stable operation of the train. Utility model content

[0006] The utility model aims at providing a kind of axle box for motor train unit turns to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of axle box for motor train unit turns, including axle box, the axle box left and right ends are fixedly connected with side frame, the surface of the side frame is provided with buffer mechanism, the axle box top is provided with connecting mechanism;

[0008] The buffer mechanism includes a base mounted inside the side frame, a hydraulic shock-absorbing damping buffer column fixedly connected to the top of the base, a hydraulic shock-absorbing spring arranged on the surface of the hydraulic shock-absorbing damping buffer column, and mounting bolts arranged on the bottom of the base, a top plate mounted on the top of the side frame, and a load-bearing plate fixedly connected to the top of the top plate.

[0009] Preferably, the base, the hydraulic shock-absorbing damping buffer column, the hydraulic shock-absorbing spring and the mounting bolts are provided with eight groups, and the top plate and the load-bearing plate are provided with two groups.

[0010] Preferably, the buffer mechanism is provided with two groups and is symmetrically distributed on the left and right sides of the axle box.

[0011] Preferably, the connecting mechanism includes a first extension plate, the axle box is provided with a mounting seat on the top, the first extension plate is fixedly connected to the front and back of the mounting seat, a first mounting ring is fixedly connected to the end of the first extension plate away from the mounting seat, connecting plates are fixedly connected to the left and right ends of the first extension plate, connecting blocks are fixedly connected to the front and back of the side frame, extension plates two are fixedly connected to the top of the inner side of the connecting blocks, telescopic columns are fixedly connected to the bottom of the extension plates two, and second mounting rings are fixedly connected to the end of the connecting blocks away from the extension plates two.

[0012] Preferably, the first mounting ring is provided with two groups, and the second mounting ring is provided with four groups.

[0013] Preferably, a main shaft is rotatably connected to the inside of the axle box, the main shaft is provided with a mounting seat on the top, and side frames are fixedly connected to the left and right ends of the axle box.

[0014] Compared with the prior art, the axle box for the EMU turning has the following beneficial effects:

[0015] 1、The axle box body for the motor train unit turning is provided with a buffer mechanism, in the process of operation of the motor train unit, the vibration and shaking generated at the connection of the car body is transmitted to the hydraulic shock damping buffer column and the hydraulic shock spring inside the side frame, through the setting of the hydraulic shock damping buffer column and the hydraulic shock spring, the influence of the vibration and shaking on the connection of the car body can be effectively reduced, so as to ensure the stability of the axle box body and the safety of the train.

[0016] 2、The axle box body for the motor train unit turning is provided with a connecting mechanism, through the setting of the connecting mechanism, the car body and the axle box body can be quickly installed together, through the first mounting ring and the second mounting ring, the installation can be realized, in the process of operation, the buffer mechanism can be pressed by the telescopic column, through the cooperation of the two, the stability is further strengthened, the safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced, obviously, the drawings in the following description are only some embodiments of the utility model, for the ordinary skilled in the art, on the premise of not paying the creative labor, other drawings can also be obtained according to these drawings:

[0018] Figure 1 It is the whole structural diagram of the utility model;

[0019] Figure 2 It is the axle box structural diagram of the utility model;

[0020] Figure 3 It is the buffer mechanism structural diagram of the utility model;

[0021] Figure 4 It is the connecting mechanism structural diagram of the utility model.

[0022] In the drawing: 1, axle box body;2, main shaft;3, mounting seat;4, side frame;5, buffer mechanism;51, base;52, hydraulic shock damping buffer column;53, hydraulic shock spring;54, mounting bolt;55, top plate;56, bearing plate;6, connecting mechanism;61, first extension plate;62, first mounting ring;63, connecting plate;64, connecting block;65, extension plate two;66, telescopic column;67, second mounting ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "fix", and other terms should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0025] The utility model provides the following technical scheme:

[0026] Embodiment one

[0027] Please refer to Figures 1-4 A motor train unit steering axle box body, including axle box body 1, axle box body 1 left and right two ends are fixedly connected with side frame 4, side frame 4 surface is provided with buffer mechanism 5, axle box body 1 top is provided with connecting mechanism 6;

[0028] Buffer mechanism 5 includes base 51, base 51 is installed in the inside of side frame 4, base 51 top is fixedly connected with hydraulic shock-absorbing damping buffer column 52, hydraulic shock-absorbing damping buffer column 52 surface is provided with hydraulic shock-absorbing spring 53, base 51 bottom is provided with mounting bolt 54, side frame 4 top is provided with top plate 55, top plate 55 top is fixedly connected with bearing plate 56, in the process of motor train unit operation, the vibration and shaking generated at the car connection place are transmitted to the hydraulic shock-absorbing damping buffer column 52 and hydraulic shock-absorbing spring 53 in the inside of side frame 4, the setting of hydraulic shock-absorbing damping buffer column 52 and hydraulic shock-absorbing spring 53 can effectively reduce the influence of vibration and shaking on the car connection place, to ensure the stability of axle box body and the safety of train;

[0029] Base 51, hydraulic shock-absorbing damping buffer column 52, hydraulic shock-absorbing spring 53 and mounting bolt 54 are provided with eight groups, and top plate 55 and bearing plate 56 are provided with two groups;

[0030] Buffer mechanism 5 is provided with two groups, and symmetrically distributed on the left and right sides of axle box body 1.

[0031] Embodiment two

[0032] Please refer to Figures 1-4And on the basis of embodiment one, further get the connecting mechanism 6 includes the first extension plate 61, the shaft box body 1 top is provided with the mounting seat 3, the first extension plate 61 is fixedly connected to the front and back of mounting seat 3, the first extension plate 61 is fixedly connected with the first mounting ring 62 at the end away from the mounting seat 3, the first extension plate 61 is fixedly connected with the connecting plate 63 at the left and right ends, the front and back of side frame 4 are fixedly connected with the connecting block 64, the inside top of connecting block 64 is fixedly connected with the extension plate two 65, the bottom of extension plate two 65 is fixedly connected with the telescopic column 66, the end of connecting block 64 away from extension plate two 65 is fixedly connected with the second mounting ring 67, through the setting of connecting mechanism 6, the carriage and shaft box body 1 can be installed together quickly, through the first mounting ring 62 and second mounting ring 67, installation can be realized, in the process of operation, the telescopic column 66 will compress the buffer mechanism 5, through the cooperation of both, further strengthen stability, strengthen stability, ensure safety;

[0033] The first mounting ring 62 is provided with two groups, and the second mounting ring 67 is provided with four groups;

[0034] The shaft box body 1 is fixedly connected with the side frame 4 at the left and right ends.

[0035] In the actual operation process, when the device is used, the carriage and shaft box body 1 can be installed together quickly through the setting of connecting mechanism 6, installation can be realized through the first mounting ring 62 and second mounting ring 67, in the process of operation, the telescopic column 66 will compress the buffer mechanism 5, through the cooperation of both, further strengthen stability, strengthen stability, ensure safety, in the process of EMU operation, the vibration and shaking generated at the carriage connection place will be transmitted to the hydraulic shock damping buffer column 52 and hydraulic shock spring 53 inside the side frame 4, through the setting of hydraulic shock damping buffer column 52 and hydraulic shock spring 53, the influence of vibration and shaking on the carriage connection place can be effectively reduced, so as to ensure the stability of the shaft box and the safety of the train.

[0036] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.

Claims

1. A bogie for a rail vehicle, comprising a bogie housing (1), characterized in that: The axle box body (1) is fixedly connected with side frames (4) at left and right ends, the surface of the side frame (4) is provided with a buffer mechanism (5), and the top of the axle box body (1) is provided with a connecting mechanism (6). The buffer mechanism (5) comprises a base (51) installed inside the side frame (4), the top of the base (51) is fixedly connected with a hydraulic shock-absorbing damping buffer column (52), the surface of the hydraulic shock-absorbing damping buffer column (52) is provided with a hydraulic shock-absorbing spring (53), the bottom of the base (51) is provided with a mounting bolt (54), the top of the side frame (4) is provided with a top plate (55), and the top of the top plate (55) is fixedly connected with a bearing plate (56).

2. The bogie for a multiple unit train according to claim 1, characterized by: The base (51), the hydraulic shock-absorbing damping buffer column (52), the hydraulic shock-absorbing spring (53) and the mounting bolt (54) are provided with eight groups, and the top plate (55) and the bearing plate (56) are provided with two groups.

3. The bogie for a multiple unit train according to claim 1, characterized by: The buffer mechanism (5) is provided with two groups and is symmetrically distributed on the left and right sides of the axle box body (1).

4. The bogie for a multiple unit train according to claim 1, characterized by: The connecting mechanism (6) comprises a first extension plate (61), the top of the axle box body (1) is provided with a mounting seat (3), the first extension plate (61) is fixedly connected to the front and back surfaces of the mounting seat (3), one end of the first extension plate (61) away from the mounting seat (3) is fixedly connected with a first mounting ring (62), the left and right ends of the first extension plate (61) are fixedly connected with a connecting plate (63), the front and back surfaces of the side frame (4) are fixedly connected with a connecting block (64), the inner top of the connecting block (64) is fixedly connected with a second extension plate (65), the bottom of the second extension plate (65) is fixedly connected with a telescopic column (66), and one end of the connecting block (64) away from the second extension plate (65) is fixedly connected with a second mounting ring (67).

5. The bogie for a multiple unit train according to claim 4, characterized by: The first mounting ring (62) is provided with two groups, and the second mounting ring (67) is provided with four groups.

6. The bogie for a multiple unit train according to claim 1, characterized by: The inside of the axle box body (1) is rotationally connected with a main shaft (2), the top of the main shaft (2) is provided with a mounting seat (3), and the left and right ends of the axle box body (1) are fixedly connected with side frames (4).

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