Return rope tensioning hydraulic system
By designing a combination of two-stage filtration and multiple valves in the return rope tensioning hydraulic system, the problems of conveyor belt deformation and equipment operation slowing are solved, and the stable operation and efficient tensioning function of the system are achieved.
Patent Information
- Application Number
- CN202421306345.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-11
AI Technical Summary
During the use of the existing return rope tensioning hydraulic system, the conveyor may cause the conveyor belt to grow and deform after a period of operation, and long-term use will cause the equipment to run slowly.
A return rope tensioning hydraulic system is designed including placing boxes, oil tanks, oil pipes, motors and oil pumps. The cleanliness of hydraulic oil is ensured through two-stage filtration (coarse filters and fine filters). It is equipped with a check valve and overflow. Valves, safety valves, solenoid reversing valves, backpressure valves, regulating valves, manual reversing valves, pressure gauges, pressure relays, energy accumulators and liquid level gauges to achieve system stability and pressure control.
Through the design of two-stage filtration and multiple valves, the cleanliness of hydraulic oil and the stability of the system are ensured, and the problems of conveyor belt deformation and equipment operation slowdown are avoided, and the normal operation capability of the system is improved.
Smart Images

Figure CN222479092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to hydraulic pressure of a return rope tensioning, and in particular to a hydraulic system for tensioning a return rope. Background Art
[0002] The return rope tensioning hydraulic system is a hydraulic system used to tension ropes. It adjusts the tension of the rope by extending and retracting the hydraulic cylinder to ensure that the rope maintains proper tension during operation. The system is usually composed of a hydraulic pump, a hydraulic cylinder, a control valve, an oil tank, etc. The hydraulic pump provides pressurized oil and controls the extension and retraction of the hydraulic cylinder through the control valve to achieve tensioning and relaxing of the rope. In some applications, the return rope tensioning hydraulic system can also be equipped with sensors and control systems to achieve automatic monitoring and adjustment of rope tension. Therefore, a return rope tensioning hydraulic system is particularly needed.
[0003] However, when the existing return rope tensioning hydraulic system is used, the conveyor belt may become longer and deformed after running for a period of time, and long-term use may cause the equipment to run slower. Utility Model Content
[0004] The purpose of the utility model is to provide a hydraulic system for tensioning a return rope, so as to solve the problem that the existing hydraulic system for tensioning a return rope proposed in the above background technology may cause the conveyor belt to become longer and deformed after running for a period of time when the conveyor is used, and long-term use may cause the equipment to run slower.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rope tensioning hydraulic system, comprising a storage box, an oil tank, an oil pipe, a motor and an oil pump, wherein the oil tank is installed on the inner surface of the storage box, an oil pipe is connected to one side surface of the oil tank, a motor is installed on the inner surface, and an oil pump is connected to one side surface of the motor.
[0006] Preferably, an oil pump is connected to one side surface of the oil pipe.
[0007] Preferably, a coarse filter is connected through one side surface of the oil pipe, a fine filter is connected through one side surface of the oil pipe, a one-way valve is sleeved on the outer surface of the oil pipe, and a manual pump is connected to one side surface of the oil tank.
[0008] Preferably, the outer surface of the oil pipe is sheathed with an overflow valve, the outer surface of the oil pipe is sheathed with a safety valve, the outer surface of the oil pipe is sheathed with an electromagnetic reversing valve, the outer surface of the oil pipe is sheathed with a back pressure valve, the outer surface of the oil pipe is sheathed with a regulating valve, the outer surface of the oil pipe is sheathed with a manual reversing valve, and the outer surface of the oil pipe is connected to a pressure gauge.
[0009] Preferably, a liquid level gauge is installed on one side surface of the oil tank.
[0010] Preferably, a high-pressure ball valve is sleeved on the outer surface of the oil pipe.
[0011] Preferably, a pressure relay is connected to one side surface of the oil pipe, and an accumulator is installed on the upper surface of the pressure relay.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the hydraulic system for the rope tensioning is driven by the starting motor to drive the oil pump to extract the hydraulic oil from the oil tank and pressurize it, and then deliver it to various parts of the system. The hydraulic oil is firstly filtered through a coarse filter to remove larger particles and impurities to protect subsequent precision components. Then, the hydraulic oil is further filtered through a fine filter to remove fine impurities to ensure that the cleanliness of the oil meets the system requirements, thereby protecting the normal operation of the entire hydraulic system. The hydraulic oil after two-stage filtration passes through a one-way valve to ensure that the oil can only flow in one direction to prevent backflow and maintain the stability of the system. The manual pump is an auxiliary device that can manually operate the hydraulic system when the motor or oil pump fails, ensuring that the system can still work normally without power supply. The relief valve automatically opens when the system pressure exceeds the set value to release excess hydraulic oil back to the tank to prevent excessive pressure and ensure that the system works within the normal pressure range. The safety valve is the second line of defense. It will open when the relief valve fails or works abnormally to further release excessive pressure and ensure system safety. The two valves operate independently of each other to provide double protection. The solenoid reversing valve switches the flow path of the hydraulic oil according to the electrical signal command. diameter, realize different operating functions, respond quickly to control signals, adjust the flow direction and flow of oil, the back pressure valve maintains the minimum pressure in the system, prevents oil backflow, and maintains the pressure balance of the system. The regulating valve is used to adjust the flow and pressure of the oil, adjust the working speed of the cylinder according to actual needs, and ensure that the system can maintain the best working state under different working conditions. The manual reversing valve manually controls the flow direction of the hydraulic oil when needed. The pressure gauge displays the real-time pressure of the system. The operator can monitor the working status of the system through the pressure gauge and make timely adjustments and maintenance. The pressure relay monitors the pressure changes of the system. When the pressure reaches the set value, it sends an electrical signal to control the action of the solenoid reversing valve and other actuators. The accumulator stores a certain amount of hydraulic oil tank pressure. When the system pressure fluctuates or the demand increases in a short time, the stored hydraulic oil can be quickly released to stabilize the system pressure and ensure the real-time and stability of the tensioning function. The level gauge monitors the hydraulic oil level in the tank to ensure that the amount of hydraulic oil is within the safe range. The operator can replenish the hydraulic oil in time according to the reading of the level gauge. The high-pressure ball valve is used to manually control the circulation of high-pressure hydraulic oil. It is often used for emergency shutdown and maintenance of the system, providing a quick response safety guarantee measure. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the internal structure of the main figure of the utility model;
[0015] Figure 3 It is a schematic diagram of the cross-sectional side view of the main diagram of the utility model;
[0016] Figure 4 This is a schematic diagram of the accumulator structure of the utility model.
[0017] In the figure: 1. storage box; 2. oil tank; 3. oil pipe; 4. motor; 5. oil pump; 6. coarse filter; 7. fine filter; 8. one-way valve; 9. manual pump; 10. overflow valve; 11. safety valve; 12. solenoid reversing valve; 13. back pressure valve; 14. regulating valve; 15. manual reversing valve; 16. pressure gauge; 17. liquid level gauge; 18. high-pressure ball valve; 19. pressure relay; 20. accumulator. DETAILED DESCRIPTION
[0018] 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. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0019] See also Figure 1-4The utility model provides a technical solution: a rope tensioning hydraulic system, comprising a placement box 1, an oil tank 2, an oil pipe 3, a motor 4 and an oil pump 5. The inner surface of the placement box 1 is installed with the oil tank 2, one side surface of the oil tank 2 is connected with the oil pipe 3, the inner surface is installed with the motor 4, and one side surface of the motor 4 is connected with the oil pump 5. Through the arrangement of the placement box 1, the oil tank 2, the oil pipe 3, the motor 4 and the oil pump 5, the use effect is better. First, the system is started, and then the motor 4 starts to run, and then the oil pump 5 is driven to extract hydraulic oil from the oil tank 2, and then the oil pump 5 pressurizes the hydraulic oil and transports it to various parts of the system, and then the hydraulic oil is firstly filtered through the coarse filter 6, and then the coarse filter 6 removes larger particles and impurities in the hydraulic oil. Prevent these impurities from entering the subsequent precision components of the system. Then, the hydraulic oil that has been initially filtered passes through the fine filter 7 to further remove finer impurities, ensuring that the cleanliness of the hydraulic oil meets the system requirements, thereby protecting the normal operation of the entire hydraulic system. Then, the hydraulic oil that has passed through two stages of filtration passes through the one-way valve 8. The one-way valve 8 ensures that the hydraulic oil can only flow in one direction to prevent oil backflow and maintain the stability and pressure of the system. Then, the manual pump 9 is used as an auxiliary device to manually operate the hydraulic system when the motor 4 or the oil pump 5 fails, ensuring that the system can still work normally without power supply. Then, the relief valve 10 automatically opens when the system pressure exceeds the set value, releasing excess hydraulic oil back to the oil tank 2 to prevent the system pressure from being too high. Ensure that the system works within the normal pressure range. Then the safety valve 11 is used as the second line of defense. When the relief valve 10 fails or works abnormally, the safety valve 11 will open to further release the excessive pressure to ensure the safety of the system. The two valves operate independently of each other to provide double protection. Then the solenoid reversing valve 12 switches the flow path of the hydraulic oil according to the electrical signal command to achieve different operating functions. It can quickly respond to the control signal and adjust the flow direction and flow of the hydraulic oil. Then the back pressure valve 13 maintains the minimum pressure in the system to prevent the hydraulic oil from flowing back and maintain the pressure balance of the system. Then the regulating valve 14 is used to adjust the flow and pressure of the hydraulic oil. The working speed of the cylinder is adjusted according to actual needs to ensure that the system can maintain the best working condition under different working conditions. state, and then the manual reversing valve 15 manually controls the flow direction of the hydraulic oil when needed, and then the pressure gauge 16 displays the real-time pressure of the system. The operator can monitor the working status of the system through the pressure gauge 16 and make timely adjustments and maintenance. Then the pressure relay 19 monitors the pressure changes of the system. When the pressure reaches the set value, the pressure relay 19 sends an electrical signal to control the action of the electromagnetic reversing valve 12 and other actuators. Then the accumulator 20 stores a certain amount of hydraulic oil tank pressure. When the system pressure fluctuates or the demand increases in a short period of time, the accumulator 20 can quickly release the stored hydraulic oil to stabilize the system pressure and ensure the real-time and stability of the tensioning function. Then the level meter 17 monitors the hydraulic oil level in the oil tank 2 to ensure that the hydraulic oil volume is within a safe range.The operator can replenish the hydraulic oil in time according to the reading of the level gauge 17, and then the high-pressure ball valve 18 is used to manually control the circulation of the high-pressure hydraulic oil, which is often used for emergency shutdown and maintenance of the system, and then the check valve 8 prevents the hydraulic oil from flowing back, further ensuring the stability and safety of the system.
[0020] Furthermore, an oil pump 5 is connected to one side surface of the oil pipe 3 , and the hydraulic oil can flow through the arrangement of the oil pipe 3 .
[0021] Furthermore, a coarse filter 6 is connected to one side surface of the oil pipe 3, a fine filter 7 is connected to one side surface of the oil pipe 3, a one-way valve 8 is sleeved on the outer surface of the oil pipe 3, and a manual pump 9 is connected to one side surface of the oil tank 2. Through the setting of the coarse filter 6, the hydraulic oil can be filtered.
[0022] Furthermore, the outer surface of the oil pipe 3 is sleeved with an overflow valve 10, the outer surface of the oil pipe 3 is sleeved with a safety valve 11, the outer surface of the oil pipe 3 is sleeved with an electromagnetic reversing valve 12, the outer surface of the oil pipe 3 is sleeved with a back pressure valve 13, the outer surface of the oil pipe 3 is sleeved with a regulating valve 14, the outer surface of the oil pipe 3 is sleeved with a manual reversing valve 15, and the outer surface of the oil pipe 3 is connected to a pressure gauge 16. By setting the electromagnetic reversing valve 12, the hydraulic oil can be controlled.
[0023] Furthermore, a liquid level gauge 17 is installed on one side surface of the oil tank 2, and the oil can be stored by the arrangement of the oil tank 2.
[0024] Furthermore, a high-pressure ball valve 18 is sleeved on the outer surface of the oil pipe 3, and the high-pressure ball valve 18 is provided to make opening more convenient.
[0025] Furthermore, a pressure relay 19 is connected to one side surface of the oil pipe 3, and an accumulator 20 is installed on the upper surface of the pressure relay 19. The accumulator 20 allows the raw materials to be stored.
[0026] Working principle: First start the system, then the motor 4 starts to run, then drives the oil pump 5 to extract hydraulic oil from the oil tank 2, then the oil pump 5 pressurizes the hydraulic oil and delivers it to various parts of the system, then the hydraulic oil first passes through the coarse filter 6 for preliminary filtration, then the coarse filter 6 removes larger particles and impurities in the hydraulic oil to prevent these impurities from entering the subsequent precision components of the system, and then the hydraulic oil that has been preliminarily filtered passes through the fine filter 7 to further remove finer impurities to ensure that the cleanliness of the hydraulic oil meets the system requirements, thereby protecting the normal operation of the entire hydraulic system, and then the hydraulic oil after two-stage filtration passes through the one-way valve 8, the one-way valve 8 ensures that the hydraulic oil can only flow in one direction to prevent the oil Backflow, maintain the stability and pressure of the system, and then the manual pump 9 is used as an auxiliary device to manually operate the hydraulic system when the motor 4 or the oil pump 5 fails, ensuring that the system can still work normally without power supply, and then the relief valve 10 automatically opens when the system pressure exceeds the set value, releasing the excess hydraulic oil back to the oil tank 2 to prevent the system pressure from being too high and ensure that the system works within the normal pressure range. Then the safety valve 11 is used as the second line of defense. When the relief valve 10 fails or works abnormally, the safety valve 11 will open to further release the excessive pressure to ensure the safety of the system. The two valves operate independently of each other to provide double protection. Then the electromagnetic reversing valve 12 switches the flow of hydraulic oil according to the electrical signal command. Dynamic path, to achieve different operating functions, it can quickly respond to control signals, adjust the flow direction and flow of hydraulic oil, then the back pressure valve 13 maintains the minimum pressure in the system to prevent the hydraulic oil from flowing back, while maintaining the pressure balance of the system, then the regulating valve 14 is used to adjust the flow and pressure of the hydraulic oil, adjust the working speed of the cylinder according to actual needs, and ensure that the system can maintain the best working state under different working conditions, then the manual reversing valve 15 manually controls the flow direction of the hydraulic oil when needed, then the pressure gauge 16 displays the real-time pressure of the system, the operator can monitor the working status of the system through the pressure gauge 16, and make timely adjustments and maintenance, then the pressure relay 19 monitors the pressure changes of the system, when the pressure reaches the set value When the pressure relay 19 sends an electrical signal to control the action of the solenoid reversing valve 12 and other actuators, the accumulator 20 then stores a certain amount of hydraulic oil and pressure. When the system pressure fluctuates or the demand increases in a short period of time, the accumulator 20 can quickly release the stored hydraulic oil to stabilize the system pressure and ensure the real-time and stability of the tensioning function. Then the level gauge 17 monitors the hydraulic oil level in the oil tank 2 to ensure that the amount of hydraulic oil is within a safe range. The operator can replenish the hydraulic oil in time according to the reading of the level gauge 17. Then the high-pressure ball valve 18 is used to manually control the circulation of the high-pressure hydraulic oil, which is often used for emergency shutdown and maintenance of the system. Then the one-way valve 8 prevents the hydraulic oil from flowing back, further ensuring the stability and safety of the system.
[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydraulic system for tensioning a return rope, comprising a storage box (1), an oil tank (2), an oil pipe (3), a motor (4) and an oil pump (5), characterized in that: An oil tank (2) is installed on the inner surface of the placement box (1), an oil pipe (3) is connected to one side surface of the oil tank (2), a motor (4) is installed on the inner surface, and an oil pump (5) is connected to one side surface of the motor (4).
2. A hydraulic system for tensioning a return rope according to claim 1, characterized in that: An oil pump (5) is connected to one side surface of the oil pipe (3).
3. A hydraulic system for tensioning a return rope according to claim 1, characterized in that: A coarse filter (6) is connected through one side surface of the oil pipe (3), a fine filter (7) is connected through one side surface of the oil pipe (3), a one-way valve (8) is sleeved on the outer surface of the oil pipe (3), and a manual pump (9) is connected to one side surface of the oil tank (2).
4. A hydraulic system for tensioning a return rope according to claim 1, characterized in that: The outer surface of the oil pipe (3) is sleeved with a relief valve (10), the outer surface of the oil pipe (3) is sleeved with a safety valve (11), the outer surface of the oil pipe (3) is sleeved with an electromagnetic reversing valve (12), the outer surface of the oil pipe (3) is sleeved with a back pressure valve (13), the outer surface of the oil pipe (3) is sleeved with a regulating valve (14), the outer surface of the oil pipe (3) is sleeved with a manual reversing valve (15), and the outer surface of the oil pipe (3) is connected to a pressure gauge (16).
5. The hydraulic system for tensioning a return rope according to claim 1, characterized in that: A liquid level meter (17) is installed on one side surface of the oil tank (2).
6. A hydraulic system for tensioning a return rope according to claim 1, characterized in that: A high-pressure ball valve (18) is sleeved on the outer surface of the oil pipe (3).
7. A hydraulic system for tensioning a return rope according to claim 1, characterized in that: A pressure relay (19) is connected to one side surface of the oil pipe (3), and an accumulator (20) is installed on the upper surface of the pressure relay (19).
Citation Information
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