Tunnel trolley damping device

Abstract

The utility model relates to the field of tunnel trolley damping, in particular to a tunnel trolley damping device which comprises a trolley body, four fixing blocks are fixedly connected to the bottom face of the trolley body, two fixing rods are fixedly connected to the inner wall of each fixing block, and by arranging the fixing rods, fixing bodies, first springs and other components, when an uneven road surface is met, the fixing blocks are fixed to the bottom face of the trolley body; the tire moves upwards and drives the fixing plate to move, the fixing plate drives the second rotating shaft and the damping rod to move and drives the connecting block to move through the second rotating shaft, the connecting block rotates on the surfaces of the first rotating shaft and the second rotating shaft and drives the first rotating shaft to move, the first rotating shaft drives the fixing body to move and drives the first spring to compress, and buffering force is provided for the fixing body through the first spring. And when the fixing plate drives the damping rod to move upwards, the damping rod is driven to contract, the second spring is driven to be compressed, damping can be conducted on the fixing plate through cooperation of the damping rod and the second spring, and therefore the stability of the vehicle body is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel trolley shock absorption, in particular to a tunnel trolley shock absorption device. Background Art

[0002] A tunnel is an engineering structure buried in the ground. It is a form of human utilization of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mining tunnels, military tunnels, etc.

[0003] During tunnel excavation, the environmental humidity in the tunnel will change abnormally due to the influence of geological conditions, climate, ventilation and construction methods. After the secondary lining construction, the premature evaporation of water on the lining surface can easily cause shrinkage deformation and even surface shrinkage cracks. For this reason, a tunnel trolley is needed to spray the tunnel surface.

[0004] When a tunnel trolley is traveling in a tunnel and encounters an uneven road surface, the body of the trolley will shake, which will affect the spraying effect of the tunnel trolley. The shaking may also easily cause damage to the equipment on the tunnel trolley. Utility Model Content

[0005] In view of the above background technology, the prior art has the disadvantage that the body of the tunnel trolley will shake when encountering an uneven road surface.

[0006] The utility model discloses a tunnel trolley shock absorbing device, comprising a vehicle body, wherein the bottom surface of the vehicle body is fixedly connected with four fixing blocks, the inner wall of each fixing block is fixedly connected with two fixing rods, the outer surface of each fixing rod is slidably connected with a fixing body, the outer surface of each fixing body is slidably connected with the inner wall of the corresponding fixing block, the outer surface of each fixing rod is sleeved with a spring, one end of each spring is fixedly connected with the inner wall of the corresponding fixing block, the other end of each spring is fixedly connected with the side surface of the corresponding fixing body, and the bottom surface of each fixing body is fixedly connected with a rotating shaft.

[0007] Furthermore, a fixing plate is provided below each of the fixing blocks, and the upper surface of each of the fixing plates is fixedly connected to two rotating shafts 2.

[0008] Furthermore, the outer surface of each rotating shaft 1 is rotatably connected to a connecting block, and one end of each connecting block away from the corresponding rotating shaft 1 is rotatably connected to the outer surface of the corresponding rotating shaft 2.

[0009] Furthermore, a damping rod is fixedly mounted on the inner top wall of each of the fixed blocks, the bottom end of each of the damping rods is fixedly connected to the upper surface of the corresponding fixed plate 7, and the outer surface of each of the damping rods is sleeved with a spring 2.

[0010] Furthermore, the top end of each of the springs 2 is fixedly connected to the inner top wall of the corresponding fixing block, and the bottom end of each of the springs 2 is fixedly connected to the upper surface of the corresponding fixing plate.

[0011] Furthermore, the inner wall of each of the fixed blocks is provided with four slide grooves, the front and back sides of each of the fixed bodies are fixedly connected to limit blocks, and the outer surface of each of the limit blocks is slidably connected to the inner wall of the corresponding slide groove.

[0012] Furthermore, the front and back sides of each fixed block are fixedly connected to a limiting plate, the front and back sides of each fixed plate are fixedly connected to a connecting body, the outer surface of each connecting body is fixedly connected to a limiting body, and the outer surface of each limiting body is slidably connected to the inner wall of the corresponding limiting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with components such as a fixing rod, a fixing body, and a spring. When encountering an uneven road surface, the tire moves upward and drives the fixing plate to move, the fixing plate drives the rotating shaft 2 and the damping rod to move, and drives the connecting block to move through the rotating shaft 2, the connecting block rotates on the surface of the rotating shaft 1 and the rotating shaft 2, and drives the rotating shaft 1 to move, drives the fixing body to move through the rotating shaft 1, and drives the spring 1 to compress, provides a buffering force for the fixing body through the spring 1, and then provides a buffering force for the fixing plate, when the fixing plate drives the damping rod to move upward, drives the damping rod to contract, and drives the spring 2 to compress, and the fixing plate can be damped by the cooperation of the damping rod and the spring 2, thereby maintaining the stability of the vehicle body.

[0015] 2. The utility model sets a limit plate, a connector, a limit body and other components. When the fixed plate moves upward, the connector is driven to move, and the limit body is driven to move on the inner wall of the limit plate through the connector. The limit plate limits the limit body and the connector, and then the fixed plate is limited by the connector, so that the fixed plate remains stable when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the fixing block and the fixing plate of the utility model;

[0019] Figure 3It is a three-dimensional structural schematic diagram of the fixing rod and spring 1 of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the connecting body and the limiting body of the utility model.

[0021] In the figure: 1, vehicle body; 2, fixing block; 3, fixing rod; 4, fixing body; 5, spring 1; 6, rotating shaft 1; 7, fixing plate; 8, rotating shaft 2; 9, connecting block; 10, damping rod; 11, spring 2; 12, slide groove; 13, limit block; 14, limit plate; 15, connecting body; 16, limit body. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model discloses a tunnel trolley shock absorbing device, comprising a car body 1, four fixed blocks 2 are fixedly connected to the bottom surface of the car body 1, the fixed blocks 2 are installed on the bottom surface of the car body 1, and the position of the fixed blocks 2 is positioned by the car body 1. Specifically, the inner wall of each fixed block 2 is fixedly connected to two fixed rods 3, and the outer surface of each fixed rod 3 is slidably connected to a fixed body 4, the fixed rod 3 is installed on the inner wall of the fixed block 2, and the fixed body 4 is installed on the outer surface of the fixed rod 3. When the fixed body 4 moves on the surface of the fixed rod 3, the fixed body 4 is limited by the fixed rod 3 to prevent the fixed body 4 from falling off the surface of the fixed rod 3. The outer surface of each of the fixed bodies 4 is slidably connected to the inner wall of the corresponding fixed block 2, and the fixed body 4 is limited by the fixed block 2 when the fixed body 4 moves.

[0024] In this embodiment, a spring 5 is sleeved on the outer surface of each fixing rod 3, and the spring 5 is placed on the surface of the fixing rod 3. The position of the spring 5 is positioned by the fixing rod 3. One end of each spring 5 is fixedly connected to the inner wall of the corresponding fixing block 2, and the other end of each spring 5 is fixedly connected to the side of the corresponding fixing body 4. The spring 5 is connected to the fixing body 4, and the spring 5 is compressed when the fixing body 4 moves. The spring 5 provides a buffer force for the fixing body 4. The bottom surface of each fixing body 4 is fixedly connected to a rotating shaft 6. The rotating shaft 6 is installed on the bottom surface of the fixing body 4 and fixed by the fixing body 4.

[0025] In a preferred embodiment, a fixing plate 7 is provided under each fixing block 2, and a tire is installed on the inner wall of the fixing plate 7. When encountering an uneven road surface, the tire will drive the fixing plate 7 to move upward. Two rotating shafts 8 are fixedly connected to the upper surface of each fixing plate 7. The fixing plate 7 is placed under the fixing block 2, and the rotating shaft 8 is installed on the upper surface of the fixing plate 7. When the fixing plate 7 moves, the rotating shaft 8 is driven to move.

[0026] like Figure 3 As shown, the outer surface of each rotating shaft 1 6 is rotatably connected with a connecting block 9, and the end of each connecting block 9 away from the corresponding rotating shaft 1 6 is rotatably connected to the outer surface of the corresponding rotating shaft 2 8. The connecting block 9 is installed on the outer surface of the rotating shaft 1 6, and the connecting block 9 is connected to the rotating shaft 2 8. When the fixed plate 7 drives the rotating shaft 2 8 to move, the connecting block 9 is driven to move through the rotating shaft 2 8. The connecting block 9 rotates on the surfaces of the rotating shaft 1 6 and the rotating shaft 2 8, and drives the rotating shaft 1 6 to move, and drives the fixed body 4 to move through the rotating shaft 1 6.

[0027] In this embodiment, a damping rod 10 is fixedly installed on the inner top wall of each fixed block 2, and the bottom end of each damping rod 10 is fixedly connected to the upper surface of the corresponding fixed plate 7. The damping rod 10 is installed on the inner wall of the fixed block 2, and the bottom end of the damping rod 10 is connected to the fixed plate 7. When the fixed plate 7 moves, the damping rod 10 is driven to retract and retract. The outer surface of each damping rod 10 is sleeved with a spring 11, and the spring 11 is placed on the outer surface of the damping rod 10, and the position of the spring 11 is positioned by the damping rod 10.

[0028] like Figure 3 As shown, the top end of each spring 11 is fixedly connected to the inner top wall of the corresponding fixed block 2, and the bottom end of each spring 11 is fixedly connected to the upper surface of the corresponding fixed plate 7. The spring 11 is connected to the fixed block 2 and the fixed plate 7. When the fixed plate 7 moves upward, the damping rod 10 is driven to contract and the spring 11 is driven to compress. The cooperation between the damping rod 10 and the spring 11 can reduce the shock of the fixed plate 7, thereby maintaining the stability of the vehicle body 1.

[0029] In a preferred embodiment, four slide grooves 12 are provided on the inner wall of each fixed block 2. The slide grooves 12 are provided on the inner wall of the fixed block 2. The position of the slide grooves 12 is determined by the fixed block 2. The front and back sides of each fixed body 4 are fixedly connected to the limiting blocks 13. The outer surface of each limiting block 13 is slidably connected to the inner wall of the corresponding slide groove 12. The limiting blocks 13 are installed on the surface of the fixed body 4. When the fixed body 4 moves, the limiting blocks 13 are driven to move on the inner wall of the slide groove 12. The limiting blocks 13 are limited by the slide grooves 12, and then the fixed body 4 is limited, so that the fixed body 4 can stably move on the inner wall of the fixed block 2.

[0030] Combination Figure 2 and Figure 4The front and back sides of each fixed block 2 are fixedly connected with a limiting plate 14, which is installed on the surface of the fixed block 2, and the position of the limiting plate 14 is positioned by the fixed block 2. The front and back sides of each fixed plate 7 are fixedly connected with a connector 15, which is installed on the outer surface of the fixed plate 7, and drives the connector 15 to move when the fixed plate 7 moves.

[0031] In this embodiment, the outer surface of each connecting body 15 is fixedly connected to the limiting body 16, and the outer surface of each limiting body 16 is slidably connected to the inner wall of the corresponding limiting plate 14. The limiting body 16 is installed on the outer surface of the connecting body 15, and when the connecting body 15 moves, the limiting body 16 is driven to move on the inner wall of the limiting plate 14. The limiting body 16 and the connecting body 15 are limited by the limiting plate 14, and then the fixed plate 7 is limited by the connecting body 15, so that the fixed plate 7 remains stable when moving.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A tunnel trolley shock absorbing device, comprising a trolley body (1), characterized in that: The bottom surface of the vehicle body (1) is fixedly connected with four fixed blocks (2), the inner wall of each fixed block (2) is fixedly connected with two fixed rods (3), the outer surface of each fixed rod (3) is slidably connected with a fixed body (4), the outer surface of each fixed body (4) is slidably connected with the inner wall of the corresponding fixed block (2), the outer surface of each fixed rod (3) is sleeved with a spring (5), one end of each spring (5) is fixedly connected with the inner wall of the corresponding fixed block (2), the other end of each spring (5) is fixedly connected with the side surface of the corresponding fixed body (4), and the bottom surface of each fixed body (4) is fixedly connected with a rotating shaft (6).

2. A tunnel trolley shock absorbing device according to claim 1, characterized in that: A fixing plate (7) is provided below each fixing block (2), and the upper surface of each fixing plate (7) is fixedly connected to two rotating shafts (8).

3. A tunnel trolley shock absorbing device according to claim 2, characterized in that: The outer surface of each rotating shaft one (6) is rotatably connected to a connecting block (9), and one end of each connecting block (9) away from the corresponding rotating shaft one (6) is rotatably connected to the outer surface of the corresponding rotating shaft two (8).

4. A tunnel trolley shock absorbing device according to claim 1, characterized in that: A damping rod (10) is fixedly mounted on the inner top wall of each of the fixing blocks (2), the bottom end of each of the damping rods (10) is fixedly connected to the upper surface of the corresponding fixing plate (7), and the outer surface of each of the damping rods (10) is sleeved with a spring 2 (11).

5. A tunnel trolley shock absorbing device according to claim 4, characterized in that: The top end of each of the springs (11) is fixedly connected to the inner top wall of the corresponding fixing block (2), and the bottom end of each of the springs (11) is fixedly connected to the upper surface of the corresponding fixing plate (7).

6. The tunnel trolley shock absorbing device according to claim 1, characterized in that: The inner wall of each of the fixed blocks (2) is provided with four slide grooves (12); the front and back sides of each of the fixed bodies (4) are fixedly connected to a limiting block (13); and the outer surface of each of the limiting blocks (13) is slidably connected to the inner wall of the corresponding slide groove (12).

7. A tunnel trolley shock absorbing device according to claim 2, characterized in that: The front and back sides of each of the fixed blocks (2) are fixedly connected to a limiting plate (14), the front and back sides of each of the fixed plates (7) are fixedly connected to a connecting body (15), the outer surface of each of the connecting bodies (15) is fixedly connected to a limiting body (16), and the outer surface of each of the limiting bodies (16) is slidably connected to the inner wall of the corresponding limiting plate (14).

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