Trench cover plate damping device of transport trolley for aluminum plate strip cold-rolling mill
By designing shock-absorbing barrels and buffer components on the transport trolley of the aluminum sheet and strip cold rolling mill, and using heat dissipation copper rings and air jet components to improve heat dissipation efficiency, the problem of poor heat dissipation in the existing device was solved, achieving more efficient shock absorption and extending service life.
Patent Information
- Application Number
- CN202422823606.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The existing shock absorber of the transport trolley of the aluminum sheet and strip cold rolling mill has poor heat dissipation efficiency, which leads to high temperature damage to the shock absorber and reduces its service life.
Design a shock-absorbing device that includes a shock-absorbing barrel and a buffer assembly. Utilize a heat-dissipating copper ring and an air jet assembly to improve heat dissipation efficiency, and combine buffer oil and gas jet cooling to enhance the shock absorption effect.
It improves the heat dissipation efficiency of the shock absorption device, extends its service life, and enhances its shock absorption performance.
Smart Images
Figure CN223536836U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shock absorption device technology, specifically a shock absorption device for a trench cover of a transport trolley used in an aluminum sheet and strip cold rolling mill. Background Technology
[0002] With the continuous development of the aluminum sheet and strip cold rolling mill industry, the requirements for shock absorption of transport trolleys are also getting higher and higher. The traditional method is to use rubber buffer columns for cushioning, but rubber buffer columns are prone to damage during use. Therefore, double-cylinder hydraulic shock absorbers are used for testing.
[0003] In a twin-cylinder hydraulic shock absorber, the piston inside the shock absorber moves up and down during operation, causing the oil in the shock absorber chamber to repeatedly flow from one chamber into another through different orifices. The friction between the orifice walls and the oil, as well as the internal friction between oil molecules, creates a damping force on the vibration, converting the vehicle's vibration energy into oil heat energy. This heat energy is conducted to the outside of the shock absorber cylinder and then dissipated into the atmosphere. However, the heat dissipation area of the shock absorber cylinder is relatively small, resulting in poor heat dissipation efficiency. This can lead to overheating and damage during operation, reducing the shock absorber's normal service life. Therefore, we propose a shock-absorbing device for the trench cover of a transport trolley used in an aluminum sheet and strip cold rolling mill. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a shock-absorbing device for the trench cover of a transport trolley for an aluminum plate and strip cold rolling mill, which can improve heat dissipation efficiency and effectively solve the problems in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a shock-absorbing device for a trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill, comprising a shock-absorbing barrel and a buffer assembly;
[0006] Shock absorber: An oil storage chamber is provided on the inner wall, an oil return port is provided at the upper end of the oil storage chamber, an oil drain port is provided at the lower end of the shock absorber, the lower end of the shock absorber is filled with buffer oil, and evenly distributed heat dissipation copper rings are fixed on the circumferential surface of the shock absorber. An air jet assembly is installed on the circumferential surface of the shock absorber.
[0007] The buffer assembly includes a first piston, a connecting rod, a fixing ring, and a spring. The first piston is slidably connected to the upper end of the inside of the shock absorber. The oil return port is located below the first piston. The connecting rod is fixed to the upper end of the first piston. The fixing ring is fixed to the upper end of the circumferential surface of the connecting rod. A spring is sleeved on the circumferential surface of the connecting rod. The upper end of the spring is fixed to the lower end of the fixing ring. The lower end of the spring is fixed to the upper end of the shock absorber. An air extraction assembly is installed on the circumferential surface of the fixing ring. The air extraction assembly is connected to an air jet assembly. The buffer assembly is used to dampen the vibration of the transport trolley used in the aluminum sheet and strip cold rolling mill.
[0008] Furthermore, the suction assembly includes a fixed plate, a support rod, and a second piston. Four corresponding fixed plates are fixed on the circumferential surface of the fixed ring. A support rod is fixed on the lower side of the fixed plate, and a second piston is fixed at the lower end of the support rod. By setting the suction assembly, external gas is drawn into the interior of the fixed barrel.
[0009] Furthermore, the jet assembly includes a connecting ring, an air inlet pipe, a first one-way valve, a fixed barrel, an air outlet pipe, a second one-way valve, and a jet pipe. The lower end of the circumferential surface of the shock absorber barrel is fixed with a connecting ring, and the upper end of the connecting ring has four corresponding fixing holes. The air inlet pipe is fixed inside the fixing holes, and the first one-way valve is installed on the circumferential surface of the air inlet pipe. The upper end of the air inlet pipe is fixed with a fixed barrel, and the air inlet pipe communicates with the inner cavity of the fixed barrel. The second piston is slidably connected inside the fixed barrel. The lower end of the circumferential surface of the fixed barrel has an air outlet hole, and the air outlet hole is fixed inside the air outlet hole. The lower end of the circumferential surface of the air outlet pipe is installed with a second one-way valve. The circumferential surface of the air outlet pipe has evenly distributed jet holes, and the jet pipe is fixed inside the jet holes. By setting up the jet assembly, external gas is sprayed onto all the heat dissipation copper rings.
[0010] Furthermore, a sealing hose is fitted onto the circumferential surface of the connecting rod. The upper end of the sealing hose is fixed to the lower end of the fixing ring, and the lower end of the sealing hose is fixed to the upper end of the shock absorber. The spring is located outside the sealing hose. By setting the sealing hose, external impurities are prevented from entering the interior of the shock absorber.
[0011] Furthermore, connecting blocks are fixed on the end faces of both the connecting rod and the shock absorber. A connecting frame is riveted to the edge of the connecting block, and a T-shaped block is fixed on the lower side of the connecting frame. The lower side of the T-shaped block has evenly distributed mounting holes. The T-shaped block and mounting holes are used to connect the T-shaped block to the transport trolley of the aluminum sheet and strip cold rolling mill.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: The shock absorption device for the trench cover of the transport trolley for the aluminum sheet and strip cold rolling mill has the following advantages:
[0013] 1. By setting two T-shaped blocks connected to the transport trolley of the aluminum sheet and strip cold rolling mill, the connecting rod moves up and down with one end of the trolley under the action of the spring during the movement of the transport trolley. At this time, the first piston adjacent to the connecting rod will move along the shock absorber barrel. During its downward movement, the compression buffer oil enters the oil storage chamber and then flows to the top of the first piston through the oil return port. When the first piston returns to its original position under the action of the spring, the compression buffer oil above the first piston flows back to the bottom of the first piston through the oil return port. During this process, the buffer oil can buffer the trolley, which effectively improves the shock absorption performance compared with the traditional rubber buffer column.
[0014] 2. By setting evenly distributed heat dissipation copper rings, the heat dissipation efficiency of the shock absorber is improved. At the same time, as the connecting pipe moves downward, it will also drive the four connecting rods downward. The downward movement of the four connecting rods will cause the gas inside the four fixed barrels to be sprayed onto the evenly distributed heat dissipation copper rings through the evenly distributed air jet pipes fixed on the circumference of the air outlet pipe, thereby reducing the temperature of all the heat dissipation copper rings and further improving the heat dissipation efficiency of the heat dissipation copper rings. In this way, the overall service life can be improved. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the front structure of this utility model;
[0016] Figure 2 This is a front sectional view of the present invention;
[0017] Figure 3 This is an enlarged view of section A of this utility model;
[0018] Figure 4 This is a schematic diagram of the connecting block structure of this utility model.
[0019] In the diagram: 1. Shock absorber, 2. Oil reservoir, 3. Buffer assembly, 31. First piston, 32. Connecting rod, 33. Fixing ring, 34. Spring, 4. Air extraction assembly, 41. Fixing plate, 42. Support rod, 43. Second piston, 5. Air jet assembly, 51. Connecting ring, 52. Air inlet pipe, 53. First one-way valve, 54. Fixing barrel, 55. Air outlet pipe, 56. Second one-way valve, 57. Air jet pipe, 6. Sealing hose, 7. Heat dissipation copper ring, 8. Connecting block, 9. Connecting bracket, 10. T-block, 11. Mounting hole, 12. Buffer oil, 13. Oil return port, 14. Oil drain port. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-4 This embodiment provides a technical solution: a shock-absorbing device for a trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill, comprising a shock-absorbing barrel 1 and a buffer assembly 3;
[0022] Shock absorber 1: An oil storage chamber 2 is provided on the inner wall. An oil return port 13 is provided at the upper end of the oil storage chamber 2. An oil drain port 14 is provided at the lower end of the inside of the shock absorber 1. The lower end of the inside of the shock absorber 1 is filled with buffer oil 12. A uniformly distributed heat dissipation copper ring 7 is fixed on the circumferential surface of the shock absorber 1. An air jet assembly 5 is installed on the circumferential surface of the shock absorber 1.
[0023] Buffer assembly 3 includes a first piston 31, a connecting rod 32, a retaining ring 33, and a spring 34. The first piston 31 is slidably connected to the upper end of the inside of the shock absorber 1. The oil return port 13 is located below the first piston 31. The connecting rod 32 is fixed to the upper end of the first piston 31. The retaining ring 33 is fixed to the upper end of the circumferential surface of the connecting rod 32. The spring 34 is sleeved on the circumferential surface of the connecting rod 32. The upper end of the spring 34 is fixed to the lower end of the retaining ring 33, and the lower end of the spring 34 is fixed to the shock absorber 1. At the upper end, an air extraction assembly 4 is installed on the circumferential surface of the fixing ring 33. The air extraction assembly 4 is connected to the jet assembly 5. The air extraction assembly 4 includes a fixing plate 41, a support rod 42, and a second piston 43. Four corresponding fixing plates 41 are fixed on the circumferential surface of the fixing ring 33. A support rod 42 is fixed on the lower side of the fixing plate 41. A second piston 43 is fixed at the lower end of the support rod 42. The jet assembly 5 includes a connecting ring 51, an air inlet pipe 52, a first one-way valve 53, a fixing barrel 54, and an air outlet pipe. 55. A second one-way valve 56 and an air jet pipe 57 are provided. A connecting ring 51 is fixed to the lower end of the circumferential surface of the shock absorber 1. Four corresponding fixing holes are opened at the upper end of the connecting ring 51. An air inlet pipe 52 is fixed inside the fixing holes. A first one-way valve 53 is installed on the circumferential surface of the air inlet pipe 52. A fixing barrel 54 is fixed to the upper end of the air inlet pipe 52. The air inlet pipe 52 communicates with the inner cavity of the fixing barrel 54. A second piston 43 is slidably connected inside the fixing barrel 54. The lower end of the circumferential surface of the fixing barrel 54 is opened... It is equipped with an air outlet, and an air outlet pipe 55 is fixed inside the air outlet. A second one-way valve 56 is installed at the lower end of the circumferential surface of the air outlet pipe 55. Evenly distributed air jet holes are opened on the circumferential surface of the air outlet pipe 55. An air jet pipe 57 is fixed inside the air jet hole. The external gas is sprayed onto all the heat dissipation copper rings 7 by setting the air jet assembly 5. The external gas is drawn into the fixed barrel 54 by setting the air extraction assembly 4. The shock absorption is provided by setting the buffer assembly 3 to reduce the vibration of the transport trolley of the aluminum plate and strip cold rolling mill.
[0024] Wherein: a sealing hose 6 is sleeved on the circumferential surface of the connecting rod 32, the upper end of the sealing hose 6 is fixed to the lower end of the fixing ring 33, the lower end of the sealing hose 6 is fixed to the upper end of the shock absorber 1, and the spring 34 is located outside the sealing hose 6. By setting the sealing hose 6, external impurities are prevented from entering the interior of the shock absorber 1.
[0025] Among them: connecting rod 32 and shock absorber 1 are both fixed with connecting blocks 8, connecting frame 9 is riveted to the edge of connecting block 8, T-shaped block 10 is fixed on the lower side of connecting frame 9, and mounting holes 11 are evenly distributed on the lower side of T-shaped block 10. The T-shaped block 10 and mounting holes 11 are connected to the transport trolley of aluminum plate and strip cold rolling mill.
[0026] The working principle of the shock absorption device for the trench cover of the aluminum strip cold rolling mill provided by this utility model is as follows: During normal use, two T-shaped blocks 10 are connected to the aluminum strip cold rolling mill transport trolley. After connection, during the movement of the aluminum strip cold rolling mill transport trolley, the connecting rod 32 moves up and down with one end of the trolley under the action of the spring 34. At this time, it will drive the first piston 31 adjacent to the connecting rod 32 to move along the shock absorption barrel 1. During its downward movement, the compression buffer oil 12 enters the oil storage chamber 2 and then flows to the top of the first piston 31 through the oil return port 13. When the first piston 31 returns to its original position under the action of the spring 34, the buffer oil 12 above the first piston 31 flows back to the bottom of the first piston 31 through the oil return port 13. During this process, the buffer oil 12 can buffer the trolley. Compared with the traditional rubber buffer column, it effectively improves the shock absorption performance. During use, the evenly distributed heat dissipation copper rings 7 effectively improve the heat dissipation efficiency of the shock absorber 1. Simultaneously, as the connecting pipe 32 moves downwards, it also drives the four connecting rods 32 downwards. The downward movement of the four connecting rods 32 sprays the gas inside the four fixed barrels 54 through the evenly distributed air jet pipes 57 fixed on the circumference of the air outlet pipe 55 onto the evenly distributed heat dissipation copper rings 7, thus improving the overall service life. During the upward reset of the connecting rods 32, it drives the four first pistons 31 upwards. The upward movement of the four first pistons 31 draws external gas back into the fixed barrel 54 through the four air inlet pipes 52. Thus, during the reciprocating motion of the connecting rods 32, external gas is continuously sprayed onto all the heat dissipation copper rings 7 through the evenly distributed air outlet pipes 55, reducing the temperature of all the heat dissipation copper rings 7 and further improving their heat dissipation efficiency.
[0027] It is worth noting that the PLC controller disclosed in the above embodiments is specifically a Siemens S7-200. The induced draft fan 2 and motor 31 can be freely configured according to the actual application scenario. The control switch group controls the operation of the induced draft fan 2 and motor 31 using the methods commonly used in the prior art, such as the 1LE0003 three-phase asynchronous motor; or the TGC-A high-thrust electric telescopic rod.
[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A shock-absorbing device for a trench cover of a transport trolley used in an aluminum sheet and strip cold rolling mill, characterized in that: Includes a shock absorber (1) and a buffer assembly (3); Shock absorber (1): An oil storage chamber (2) is provided on the inner wall. An oil return port (13) is provided at the upper end of the oil storage chamber (2). An oil drain port (14) is provided at the lower end of the shock absorber (1). The lower end of the shock absorber (1) is filled with buffer oil (12). A uniformly distributed heat dissipation copper ring (7) is fixed on the circumferential surface of the shock absorber (1). An air jet assembly (5) is installed on the circumferential surface of the shock absorber (1). Buffer assembly (3): includes a first piston (31), a connecting rod (32), a fixing ring (33) and a spring (34). The upper end of the shock absorber (1) is slidably connected to the first piston (31). The oil return port (13) is located below the first piston (31). The upper end of the first piston (31) is fixed with the connecting rod (32). The upper end of the circumferential surface of the connecting rod (32) is fixed with the fixing ring (33). The circumferential surface of the connecting rod (32) is fitted with the spring (34). The upper end of the spring (34) is fixed to the lower end of the fixing ring (33). The lower end of the spring (34) is fixed to the upper end of the shock absorber (1). The circumferential surface of the fixing ring (33) is equipped with an air extraction assembly (4). The air extraction assembly (4) is connected to the air jet assembly (5).
2. The shock-absorbing device for the trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill according to claim 1, characterized in that: The air extraction assembly (4) includes a fixed plate (41), a support rod (42), and a second piston (43). Four corresponding fixed plates (41) are fixed on the circumferential surface of the fixed ring (33). A support rod (42) is fixed on the lower side of the fixed plate (41), and a second piston (43) is fixed at the lower end of the support rod (42).
3. The shock-absorbing device for the trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill according to claim 2, characterized in that: The jet assembly (5) includes a connecting ring (51), an air inlet pipe (52), a first one-way valve (53), a fixed barrel (54), an air outlet pipe (55), a second one-way valve (56), and a jet pipe (57). The lower end of the circumferential surface of the shock absorber (1) is fixed with a connecting ring (51). The upper end of the connecting ring (51) has four corresponding fixing holes. The air inlet pipe (52) is fixed inside the fixing holes. The first one-way valve (53) is installed on the circumferential surface of the air inlet pipe (52). A fixed barrel (54) is fixed at the upper end of the fixed barrel (54). The air inlet pipe (52) is connected to the inner cavity of the fixed barrel (54). The second piston (43) is slidably connected inside the fixed barrel (54). An air outlet is opened at the lower end of the circumferential surface of the fixed barrel (54). An air outlet pipe (55) is fixed inside the air outlet. A second one-way valve (56) is installed at the lower end of the circumferential surface of the air outlet pipe (55). Evenly distributed jet holes are opened on the circumferential surface of the air outlet pipe (55). A jet pipe (57) is fixed inside the jet holes.
4. The shock-absorbing device for the trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill according to claim 1, characterized in that: A sealing hose (6) is fitted onto the circumferential surface of the connecting rod (32). The upper end of the sealing hose (6) is fixed to the lower end of the fixing ring (33), and the lower end of the sealing hose (6) is fixed to the upper end of the shock absorber (1). The spring (34) is located outside the sealing hose (6).
5. The shock-absorbing device for the trench cover of a transport trolley for an aluminum sheet and strip cold rolling mill according to claim 1, characterized in that: Connecting blocks (8) are fixed on the end faces of the connecting rod (32) and the shock absorber (1). A connecting frame (9) is riveted to the edge of the connecting block (8). A T-shaped block (10) is fixed on the lower side of the connecting frame (9). The lower side of the T-shaped block (10) is provided with evenly distributed mounting holes (11).