Truss for railway freight monitoring

Abstract

The utility model relates to a truss for railway freight monitoring. The truss comprises a base and a truss vertical rod. The base comprises a first barrel, a second barrel and an energy dissipation piece, the upper portion of the second barrel is sleeved with the first barrel, and an elastic barrel making contact with the outer wall of the second barrel is arranged on the inner wall of the first barrel; the energy dissipation piece comprises a friction cylinder, a movable column and a driving ring, the friction cylinder is arranged in the second cylinder, the upper end of the friction cylinder is connected with the inner top face of the first cylinder, the movable column is arranged in the friction cylinder, the upper end of the movable column is vertically and movably connected with the inner top face of the first cylinder, the lower end of the movable column is connected with a circular truncated cone, and the bottom face of the circular truncated cone and the inner bottom of the second cylinder are connected with a first spring. Friction plates are arrayed on the movable column, and the free ends of the friction plates make contact with the inner wall of the friction cylinder. A truss vertical rod is fixed to the top of the first cylinder, a truss transverse rod is fixed to the upper end of the truss vertical rod, and a camera is arranged on the truss transverse rod. According to the utility model, the problem that the vibration of the camera erected along the railway is transmitted to the camera through the truss when a train passes by is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway monitoring, in particular to a truss for railway freight monitoring. Background Art

[0002] Railway monitoring refers to the process of real-time monitoring and management of railway lines, vehicles, signals, communications, power and other systems using various technical means in railway transportation management. Railway monitoring can transmit monitoring images in real time through cameras, so that railway managers can timely understand the railway lines and train operation conditions and make scheduling and processing decisions quickly. The monitoring truss can provide support for the camera.

[0003] The surveillance cameras along the railway are installed at high places through trusses. However, when the cameras are in use, there are problems such as mentioned in the authorization publication number CN 216868128 U "An environmental monitoring device suitable for environmental safety monitoring along railways". The train will generate a large vibration force during the passage, especially the heavy freight trains will cause the ground to vibrate. These vibration forces will be transmitted to the camera through the truss. If the camera is vibrated for a long time, it will cause damage to the electronic components in the camera, affecting the service life of the camera. In addition, when the camera is vibrated, it will cause the picture to shake, resulting in poor monitoring effect. Summary of the invention

[0004] The utility model aims to solve the problem that when a train passes by, vibrations of cameras installed along the railway are transmitted to the cameras via the trusses. A truss for railway freight monitoring is provided, which can reduce the transmission of vibrations via the trusses and improve the service life and monitoring quality of the cameras.

[0005] In order to solve the above problems, the technical solution of the utility model is:

[0006] The truss for monitoring railway freight comprises a base and a truss vertical rod; the base comprises a cylinder body 1, a cylinder body 2 and an energy dissipation member, the cylinder body is set outside the upper part of the cylinder body 2, and the inner wall of the cylinder body 1 is provided with an elastic cylinder contacting the outer wall of the cylinder body 2; the energy dissipation member comprises a friction cylinder, a movable column and a driving ring, the friction cylinder is arranged in the cylinder body 2, and the upper end is connected to the inner top surface of the cylinder body 1, there is a spacing between the friction cylinder and the inner wall of the cylinder body 2, the movable column is arranged in the friction cylinder, and the upper end is movably connected to the inner top surface of the cylinder body 1 up and down, the lower end of the movable column is connected to a round table, the bottom surface of the round table and the inner bottom of the cylinder body 2 are connected to a spring 1, the outer sleeve of the round table is provided with a driving ring, the outer ring of the driving ring is fixedly connected to the inner wall of the cylinder body 2, and the inner ring contacts the side surface of the round table, the movable column is arrayed with friction plates, and the free end of the friction plate contacts the inner wall of the friction cylinder; the top of the cylinder body 1 is fixed with a truss vertical rod, the upper end of the truss vertical rod is fixed with a truss cross rod, and a camera is arranged on the truss cross rod.

[0007] Furthermore, a guide hole is recessed downward on the top surface of the movable column, a guide rod with a lower end extending into the guide hole is fixed to the inner top surface of the cylinder body 1, and the guide hole is in sliding contact with the guide rod.

[0008] Furthermore, the driving ring is a circular ring body, and the inner diameter of the driving ring is larger than the upper end diameter of the cone and smaller than the lower end diameter of the cone. When the spring is in a natural state, the top surface of the movable column contacts the inner top surface of the cylinder, and the inner ring surface of the driving ring contacts the lower part of the side of the cone.

[0009] Furthermore, the movable column is arrayed with U-shaped grooves, each U-shaped groove is provided with a friction plate, one end of the friction plate extends into the corresponding U-shaped groove and is connected to the inner bottom of the U-shaped groove via spring 2; when the free end of the friction plate contacts the inner wall of the friction cylinder, spring 2 connected to the friction plate is in a compressed state.

[0010] Furthermore, a through hole is provided on the upper portion of the elastic cylinder, and the friction cylinder and the guide rod are both passed through the through hole and fixedly connected to an inner top surface of the cylinder body.

[0011] Furthermore, the friction cylinder is a cylinder made of metal fiber reinforced material, and the friction plate is a rectangular plate made of metal fiber reinforced material.

[0012] Through the above technical solution, the beneficial effects of the utility model are:

[0013] When the utility model monitors a train, when the cylinder body causes horizontal movement in any direction due to the movement of the train, the vibration energy can be absorbed by the elastic cylinder, and the vibration energy can be converted into internal energy between the friction plate and the friction cylinder, thereby reducing the transmission of the vibration energy through the truss vertical rods and the truss horizontal rods, thereby reducing the vibration of the camera and improving the service life of the camera and the monitoring quality.

[0014] When the cylinder body 2 of the utility model moves upward under vibration, the vibration energy can also be converted to the elastic cylinder, and the energy transfer can also be reduced.

[0015] The second spring of the utility model can ensure that the free end of the connected friction plate presses against the inner wall of the friction cylinder, thereby ensuring the friction effect between the friction plate and the friction cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a sectional front view of the base connecting the vertical rods of the truss of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the connection between the movable column, the round table and the friction plate of the utility model;

[0019] Figure 4It is a structural schematic diagram of a cylinder body connected to a friction cylinder of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the cylinder body and the second connecting driving ring of the utility model.

[0021] The numbers in the accompanying drawings are: 1, truss vertical rod, 2, cylinder one, 3, cylinder two, 4, elastic cylinder, 5, friction cylinder, 6, movable column, 7, driving ring, 8, round table, 9, friction plate, 10, truss cross rod, 11, camera, 12, guide hole, 13, guide rod, 14, spring one, 16, U-shaped groove, 17, spring two, 18, through hole. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0023] like Figure 1 to Figure 5 As shown, a truss for railway freight monitoring includes a base and a truss vertical rod 1; the base includes a cylinder 2, a cylinder 3 and an energy dissipation member, the cylinder 2 3 is a cylinder with an upper end opening, the cylinder 1 2 is a cylinder with a lower end opening, the cylinder 1 2 is sleeved outside the upper part of the cylinder 2 3, the inner wall of the cylinder 1 2 is provided with an elastic cylinder 4 that contacts the outer wall of the cylinder 2 3, the elastic cylinder 4 is a cylinder made of elastic rubber; the energy dissipation member includes a friction cylinder 5, a movable column 6 and a driving ring 7, the friction cylinder 5 is a cylinder with two ends opening, the friction cylinder 5 is coaxially arranged in the cylinder 2 3, and the upper end is connected to the inner top surface of the cylinder 1 2, and there is a spacing between the friction cylinder 5 and the inner wall of the cylinder 2 3 The movable column 6 is a cylinder. The movable column 6 is coaxially arranged in the friction cylinder 5, and the upper end is movably connected to the top surface of the cylinder 2. The lower end of the movable column 6 is connected with a truss 8. The upper end of the truss 8 is small and the lower end is large. The bottom surface of the truss 8 and the inner bottom of the cylinder 2 are connected with a spring 14. The truss 8 is covered with a driving ring 7. The outer ring of the driving ring 7 is fixedly connected to the inner wall of the cylinder 23, and the inner ring contacts the side of the truss 8. The movable column 6 is arrayed with a friction plate 9, and the free end of the friction plate 9 contacts the inner wall of the friction cylinder 5. A truss vertical rod 1 is fixed to the top of the cylinder 2, and a truss cross rod 10 is fixed to the upper end of the truss vertical rod 1. A camera 11 is provided on the truss cross rod 10.

[0024] The top surface of the movable column 6 is recessed downward with a guide hole 12, which is a rectangular blind hole. The inner top surface of the cylinder 2 is fixed with a guide rod 13 whose lower end extends into the guide hole 12, and which is a rectangular rod. The guide hole 12 slides in contact with the guide rod 13.

[0025] The driving ring 7 is a circular ring, and the inner diameter of the driving ring 7 is larger than the upper end diameter of the cone 8 and smaller than the lower end diameter of the cone 8. When the spring 14 is in a natural state, the top surface of the movable column 6 contacts the inner top surface of the cylinder body 2, and the inner ring surface of the driving ring 7 contacts the lower side of the cone 8.

[0026] The movable column 6 is arrayed with U-shaped grooves 16, the opening of the U-shaped grooves 16 faces the inner wall of the friction cylinder 5 and is arranged along the height direction of the movable column 6. A friction plate 9 is arranged in each U-shaped groove 16. One end of the friction plate 9 extends into the corresponding U-shaped groove 16 and is connected to the inner bottom of the U-shaped groove 16 through a spring 2 17. The inner bottom of the U-shaped groove 16 is the side opposite to the opening of the U-shaped groove 16; when the free end of the friction plate 9 contacts the inner wall of the friction cylinder 5, the spring 2 17 connected to the friction plate 9 is in a compressed state.

[0027] A through hole 18 is provided on the upper portion of the elastic cylinder 4 , and the friction cylinder 5 and the guide rod 13 are both passed through the through hole 18 and fixedly connected to the inner top surface of the cylinder body 2 .

[0028] The friction cylinder 5 is a cylinder made of metal fiber reinforced material, and the friction plate 9 is a rectangular plate made of metal fiber reinforced material.

[0029] When in use, when a train passes by the vicinity of the utility model and causes ground vibration, the vibration will first be transmitted to the cylinder body 2 3. When the vibration causes the cylinder body 2 3 to move horizontally, the cylinder body 2 3 will first squeeze the elastic cylinder 4. The elastic cylinder 4 on the opposite side of the movement of the cylinder body 2 3 is compressed, and the vibration energy is converted to the elastic cylinder 4, which will not make the cylinder body 1 2 move the same distance as the cylinder body 2 3. Therefore, it is possible to reduce the vibration energy transmitted to the cylinder body 1 2, thereby reducing the vibration energy transmitted to the camera 11 through the truss vertical rod 1 and the truss horizontal rod 10. Moreover, when the cylinder body 2 3 moves horizontally, since the cylinder body 1 2 will not move the same distance as the cylinder body 2 3, the vibration energy transmitted to the camera 11 through the truss vertical rod 1 and the truss horizontal rod 10 will be reduced. The inner ring of the driving ring 7 in the cylinder body 2 3 presses against the side of the truncated table 8, so that the truncated table 8 drives the movable column 6 to move downward, the spring 14 is compressed, and the vibration energy is converted into the potential energy of the spring 14. The multiple friction plates 9 on the movable column 6 move downward with the movable column 6. Under the action of the spring 2, the free ends of the multiple friction plates 9 press against the inner wall of the friction cylinder 5, and the multiple friction plates 9 move downward with the movable column 6. Friction is generated between the multiple friction plates 9 and the inner wall of the friction cylinder 5, and the vibration energy is converted into the internal energy when the friction plates 9 and the friction cylinder 5 rub against each other, thereby further reducing the vibration energy, and then reducing the vibration energy transmitted to the camera 11 through the truss vertical rod 1 and the truss horizontal rod 10;

[0030] When the vibration causes the cylinder 2 3 to move upward, the upper part of the elastic cylinder 4 is compressed by the cylinder 2 3 , and the vibration energy is converted to the upper part of the elastic cylinder 4 , which can also weaken the transmission of the vibration energy.

[0031] The preferred implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the above-mentioned embodiments. Without violating the spirit of the present invention, i.e., the disclosure scope, any equivalent or equivalent deformation or replacement of the technical solution of the present invention shall fall within the protection scope of the present invention.

Claims

1. A truss for railway freight monitoring, characterized in that: The invention comprises a base and a truss vertical rod (1); the base comprises a cylinder body (2), a cylinder body (3) and an energy dissipation member, the cylinder body (2) is sleeved outside the upper part of the cylinder body (3), and the inner wall of the cylinder body (2) is provided with an elastic cylinder (4) contacting the outer wall of the cylinder body (3); the energy dissipation member comprises a friction cylinder (5), a movable column (6) and a driving ring (7), the friction cylinder (5) is arranged in the cylinder body (3) and the upper end is connected to the inner top surface of the cylinder body (2), there is a distance between the friction cylinder (5) and the inner wall of the cylinder body (3), the movable column (6) is arranged in the friction cylinder (5) and the upper end is movably connected to the inner top surface of the cylinder body (2) The movable column (6) has a truss (8) connected to the lower end thereof, the bottom surface of the truss (8) and the inner bottom of the cylinder body (3) are connected to a spring (14), the outer cover of the truss (8) is provided with a driving ring (7), the outer ring of the driving ring (7) is fixedly connected to the inner wall of the cylinder body (3), and the inner ring contacts the side surface of the truss (8), the movable column (6) is provided with a friction plate (9), and the free end of the friction plate (9) contacts the inner wall of the friction cylinder (5); the top of the cylinder body (2) is fixed with a truss vertical rod (1), the upper end of the truss vertical rod (1) is fixed with a truss horizontal rod (10), and the truss horizontal rod (10) is provided with a camera (11).

2. A truss for monitoring railway freight transport according to claim 1, characterized in that: The top surface of the movable column (6) is recessed downward to form a guide hole (12); the inner top surface of the cylinder body (2) is fixed with a guide rod (13) whose lower end extends into the guide hole (12); the guide hole (12) is in sliding contact with the guide rod (13).

3. A truss for monitoring railway freight transport according to claim 2, characterized in that: The driving ring (7) is a circular ring, the inner diameter of which is larger than the upper diameter of the truncated cone (8) and smaller than the lower diameter of the truncated cone (8). When the spring (14) is in a natural state, the top surface of the movable column (6) contacts the inner top surface of the cylinder (2), and the inner ring surface of the driving ring (7) contacts the lower side of the truncated cone (8).

4. The truss for monitoring railway freight transport according to claim 1, characterized in that: The movable column (6) is provided with an array of U-shaped grooves (16), each of which is provided with a friction plate (9), one end of the friction plate (9) extends into the corresponding U-shaped groove (16) and is connected to the inner bottom of the U-shaped groove (16) via a second spring (17); when the free end of the friction plate (9) contacts the inner wall of the friction cylinder (5), the second spring (17) connected to the friction plate (9) is in a compressed state.

5. The truss for monitoring railway freight transport according to claim 2, characterized in that: A through hole (18) is provided at the upper portion of the elastic cylinder (4), and the friction cylinder (5) and the guide rod (13) both pass through the through hole (18) and are fixedly connected to the inner top surface of the cylinder body (2).

6. The truss for monitoring railway freight transport according to claim 1, characterized in that: The friction cylinder (5) is a cylinder body made of a metal fiber reinforced material, and the friction plate (9) is a rectangular plate made of a metal fiber reinforced material.

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