Lower supporting structure of through passage of railway vehicle

Abstract

The utility model discloses a railway vehicle through channel lower portion supporting structure which comprises two vehicle bodies, channel bodies are arranged on the opposite faces of the two vehicle bodies, the two channel bodies are matched with each other, a plurality of symmetrically-arranged transmission grooves are formed in the opposite faces of the two vehicle bodies, the transmission grooves are all in an L shape, and the transmission grooves are matched with the channel bodies. Positioning mechanisms used for positioning the channel body are arranged at the two ends of the multiple transmission grooves correspondingly, and moving mechanisms used for moving the positioning mechanisms are arranged between every two opposite transmission grooves correspondingly. Under the counter-acting force of the two high-elasticity springs, the two high-elasticity springs apply pressure to the extrusion block, so that the multiple supporting blocks provide supporting force for the channel body, and the stability of the channel body is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicle pipe passages, in particular to a lower supporting structure of a rail vehicle through-passage. Background Art

[0002] Track refers to the route paved with steel strips for trains, trams, etc. to travel. It can also be the route of celestial bodies in the universe. It is also called trajectory. The route of an object's movement is more likely to have certain rules, such as the movement of electrons in atoms and the movement of artificial satellites have certain orbits. The rules, procedures or scope that actions should follow: production has been put on track.

[0003] In order to ensure the stability of the through-channel connection of rail vehicles, support is generally provided in the tube channel. However, the support devices in the prior art are generally simple and cannot fully ensure the stability of the support. In addition, the installation of the existing support devices is generally performed by operating multiple support blocks in sequence, which is relatively complicated to operate, causing certain troubles to people and reducing the linkage of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By using the reaction force of two high-elastic springs, the two high-elastic springs apply pressure to the extrusion blocks, so that multiple support blocks provide supporting force to the channel body, thereby ensuring the stability of the channel body, and proposing a lower support structure for a rail vehicle throughway.

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

[0006] A lower support structure for a rail vehicle throughway comprises two vehicle bodies, each of which has a channel body on its opposite sides. The two channel bodies cooperate with each other, and each of which has a plurality of symmetrically arranged transmission grooves on its opposite sides. The plurality of transmission grooves are all L-shaped, and both ends of the plurality of transmission grooves are provided with positioning mechanisms for positioning the channel bodies, and a moving mechanism for moving the positioning mechanisms is provided between the two transmission grooves.

[0007] Preferably, the positioning mechanism comprises a moving block slidably connected in the transmission groove, and a plurality of side walls of the moving blocks are each provided with a supporting block, and the plurality of supporting blocks are each arranged in an L-shape.

[0008] Preferably, the moving mechanism includes a rotating rod that passes through and is rotatably connected between two relatively transmission grooves, and the outer walls at both ends of the plurality of rotating rods are provided with threaded areas, and the thread rotation directions of the two relatively threaded areas are opposite, and the plurality of moving blocks are respectively arranged on the outer walls of the plurality of threaded areas and are threadedly connected thereto, and the outer walls at both ends of the plurality of rotating rods are provided with bevel gears, and the two relatively bevel gears are meshed with each other.

[0009] Preferably, a fixing frame is provided at the upper end of the two vehicle bodies, and a power motor is provided in the two fixing frames, wherein the upper end of one of the rotating rods passes through the upper end of the vehicle body and is connected to the end of the output shaft of the power motor.

[0010] Preferably, a plurality of the support blocks are provided with grooves, two symmetrically arranged limit rods are provided in the grooves, the outer walls of the two limit rods are slidably connected with a movable plate, and the movable plate and the grooves are elastically connected by two high-elastic springs.

[0011] Preferably, an extrusion block is provided on the movable plate, and a side wall of the extrusion block is provided with an inclined surface, and the inclined surface is slidably connected to the outer wall of the channel body.

[0012] Beneficial effects of the utility model:

[0013] 1. Through the reaction force of two high-elastic springs, the two high-elastic springs apply pressure to the extrusion block, so that the multiple support blocks provide support force to the channel body to ensure the stability of the channel body.

[0014] 2. By rotating the threaded areas on the outer walls of the multiple rotating rods and utilizing the threaded connection between the moving blocks and the threaded areas, the multiple moving blocks are moved to drive the multiple supporting blocks to move, thereby achieving simultaneous movement of the multiple supporting blocks and improving the overall linkage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a left side schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a right side schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a schematic cross-sectional view of the internal structure of the support block of the utility model.

[0018] In the figure: 1 vehicle body, 2 channel body, 3 transmission groove, 4 rotating rod, 5 threaded area, 6 moving block, 7 support block, 8 power motor, 9 fixed frame, 10 bevel gear, 11 groove, 12 limit rod, 13 high elastic spring, 14 moving plate, 15 extrusion block, 16 inclined surface. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Reference Figure 1-3 A lower support structure for a rail vehicle throughway comprises two vehicle bodies 1. Channel bodies 2 are provided on the opposite surfaces of the two vehicle bodies 1. The two channel bodies 2 cooperate with each other. A plurality of symmetrically arranged transmission grooves 3 are provided on the opposite surfaces of the two vehicle bodies 1. The plurality of transmission grooves 3 are all L-shaped. Positioning mechanisms for positioning the channel bodies 2 are provided at both ends of the plurality of transmission grooves 3. The positioning mechanisms comprise moving blocks 6 slidably connected in the transmission grooves 3. Support blocks 7 are provided on the side walls of the plurality of moving blocks 6. The plurality of support blocks 7 are all L-shaped.

[0022] A moving mechanism for moving the positioning mechanism is provided between the two relative transmission grooves 3, and the moving mechanism includes a rotating rod 4 that penetrates and rotates between the two relative transmission grooves 3. The outer walls of both ends of the multiple rotating rods 4 are provided with threaded areas 5, and the threads of the two relative threaded areas 5 have opposite rotation directions. Multiple moving blocks 6 are respectively arranged on the outer walls of the multiple threaded areas 5 and threadedly connected thereto. Bevel gears 10 are provided on the outer walls of both ends of the multiple rotating rods 4, and the two relative bevel gears 10 are meshed. By rotating the threaded areas 5 on the outer walls of the multiple rotating rods 4, the threaded connection between the moving blocks 6 and the threaded areas 5 is utilized to make the multiple moving blocks 6 move and drive the multiple supporting blocks 7 to move, thereby realizing the simultaneous movement of the multiple supporting blocks 7 and improving the overall linkage of the device.

[0023] A fixing frame 9 is provided at the upper end of the two vehicle bodies 1 , and a power motor 8 is provided inside the two fixing frames 9 . The upper end of one of the rotating rods 4 passes through the upper end of the vehicle body 1 and is connected to the end of the output shaft of the power motor 8 .

[0024] A groove 11 is provided on each of the multiple support blocks 7, and two symmetrically arranged limit rods 12 are provided in the groove 11. The outer walls of the two limit rods 12 are slidably connected with a movable plate 14. The movable plate 14 is elastically connected to the groove 11 through two high-elastic springs 13. Under the reaction force of the two high-elastic springs 13, the two high-elastic springs 13 apply pressure to the extrusion block 15, so that the multiple support blocks 7 provide supporting force to the channel body 2 to ensure the stability of the channel body 2.

[0025] The moving plate 14 is provided with an extrusion block 15 , and a side wall of the extrusion block 15 is provided with an inclined surface 16 , which is slidably connected to the outer wall of the channel body 2 .

[0026] When the utility model is used, when supporting the channel body 2, the power motor 8 is started, so that the power motor 8 drives one of the rotating rods 4 to rotate, and the meshing of the bevel gears 10 between the multiple rotating rods 4 is used to make the multiple rotating rods 4 rotate, so that the threaded areas 5 on the outer walls of the multiple rotating rods 4 rotate, and the threaded connection between the moving block 6 and the threaded area 5 is used to make the multiple moving blocks 6 move and drive the multiple supporting blocks 7 to move, so as to achieve the simultaneous movement of the multiple supporting blocks 7 and improve the overall linkage of the device. When the inclined surfaces 16 on the multiple supporting blocks 7 contact the outer wall of the channel body 2, the sliding connection between the inclined surface 16 and the outer wall of the channel body 2, and the sliding connection between the moving plate 14 and the outer walls of the two limit rods 12 are used to make the outer wall of the channel body 2 squeeze the extrusion block 15 to retract into the groove 11, and under the reaction force of the two high-elastic springs 13, the two high-elastic springs 13 apply pressure to the extrusion block 15, so that the multiple support blocks 7 provide support force to the channel body 2 to ensure the stability of the channel body 2.

[0027] 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. A lower support structure for a railway vehicle throughway, comprising two vehicle bodies (1), characterized in that: The two opposing surfaces of the two vehicle bodies (1) are each provided with a channel body (2), the two channel bodies (2) cooperate with each other, the opposing surfaces of the two vehicle bodies (1) are each provided with a plurality of symmetrically arranged transmission grooves (3), the plurality of transmission grooves (3) are all arranged in an L-shape, both ends of the plurality of transmission grooves (3) are provided with a positioning mechanism for positioning the channel body (2), and a moving mechanism for moving the positioning mechanism is provided between the two opposing transmission grooves (3).

2. A rail vehicle throughway lower support structure according to claim 1, characterized in that: The positioning mechanism comprises a moving block (6) slidably connected in the transmission groove (3), and a plurality of side walls of the moving blocks (6) are each provided with a supporting block (7), and the plurality of supporting blocks (7) are each arranged in an L-shape.

3. A rail vehicle throughway lower support structure according to claim 2, characterized in that: The moving mechanism comprises a rotating rod (4) which penetrates and is rotatably connected between two relatively driving grooves (3); a plurality of outer walls at both ends of the rotating rods (4) are provided with threaded areas (5); the threads of the two relatively threaded areas (5) are in opposite directions; a plurality of moving blocks (6) are respectively arranged on the outer walls of the plurality of threaded areas (5) and are threadedly connected thereto; a plurality of outer walls at both ends of the rotating rods (4) are provided with bevel gears (10); the two relatively bevel gears (10) are meshed with each other.

4. A rail vehicle throughway lower support structure according to claim 3, characterized in that: A fixing frame (9) is provided at the upper end of the two vehicle bodies (1), and a power motor (8) is provided in the two fixing frames (9), wherein the upper end of one of the rotating rods (4) passes through the upper end of the vehicle body (1) and is connected to the end of the output shaft of the power motor (8).

5. A rail vehicle throughway lower support structure according to claim 4, characterized in that: A plurality of the support blocks (7) are each provided with a groove (11), two symmetrically arranged limit rods (12) are provided in the groove (11), the outer walls of the two limit rods (12) are slidably connected to a movable plate (14), and the movable plate (14) is elastically connected to the groove (11) via two high-elasticity springs (13).

6. A rail vehicle throughway lower support structure according to claim 5, characterized in that: The movable plate (14) is provided with an extrusion block (15), a side wall of the extrusion block (15) is provided with an inclined surface (16), and the inclined surface (16) is slidably connected to the outer wall of the channel body (2).

Images