Hydraulic Tensioner Pump Station and Its Control System and Method

Abstract

The present invention discloses a hydraulic tensioner pumping station and its control system and method. The hydraulic tensioner pumping station includes an oil tank, above which there is an electric motor that drives a hydraulic pump. The hydraulic pump is connected to an electromagnetic reversing valve, the electromagnetic reversing valve is connected to a booster, and the booster is connected to a quick connector. The electromagnetic reversing valve is connected to the oil tank through an oil circuit. It also includes a relay, a PLC control module, a bolt tightening torque sensor, and a wireless communication module. The relay is connected to the PLC control module, the PLC control module is connected to the electric motor, and the bolt tightening torque sensor is connected to the wireless communication module. The present invention also includes the control system and method of the above-mentioned hydraulic tensioner pumping station. The purpose is to provide a hydraulic tensioner pumping station and its control system and method that can automatically collect data and transmit it to a database to achieve automatic control.

Description

Technical Field

[0001] The present invention relates to the field of hydraulic pump stations, and in particular to a hydraulic tensioner pump station for driving a hydraulic tensioner, and its control system and method. Background Art

[0002] Nowadays, more and more large flanges in petroleum refining, wind power, heavy equipment, etc. use hydraulic tensioners to tighten bolts, and the hydraulic tensioner uses a hydraulic tensioner pump station as a power source. Traditional hydraulic tensioner pump stations can only provide a power source and cannot collect and upload the tightening data of flange bolts to the background cloud database for management. Existing hydraulic tensioner pump stations usually use pen and paper to record the bolt tightening data and then enter it into the database. Some existing simpler intelligent tensioner pump stations can use a USB flash drive as a transmission medium to copy data and then enter it into the database, but the operation is not easy and manual data copying is required, especially when the on-site working conditions do not allow the use of computers, etc. This results in the inability of traditional hydraulic tensioner pump stations to achieve automatic control. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a hydraulic tensioner pump station, its control system and method that can automatically collect data and transmit it to the database to achieve automatic control.

[0004] The hydraulic tensioner pump station in the present invention includes an oil tank, an electric motor is provided above the oil tank, the electric motor drives a hydraulic pump located in the oil tank, the hydraulic pump is connected to an electromagnetic directional control valve through a first oil circuit, the electromagnetic directional control valve is connected to the low-pressure side of a booster through a second oil circuit and a third oil circuit, the hydraulic oil coming out of the electromagnetic directional control valve can flow into the booster through the second oil circuit for boosting, the hydraulic oil coming out of the electromagnetic directional control valve can flow to the check valve of the booster through the third oil circuit, the high-pressure side of the booster is connected to a quick connector through a fourth oil circuit, the quick connector is used to connect a hydraulic tensioner, the electromagnetic directional control valve is also connected to one end of a fifth oil circuit, the other end of the fifth oil circuit is connected to the oil tank, and a cooling device is connected to the fifth oil circuit.

[0005] It further includes a relay, a PLC control module, a bolt tightening torque sensor and a wireless communication module. The relay is connected to the PLC control module, the PLC control module is connected to the electric motor. The relay is used to receive a status signal and output a first control signal to the PLC control module. The PLC control module is used to output a second control signal to the electric motor under control. The bolt tightening torque sensor is connected to the wireless communication module. The bolt tightening torque sensor is used to collect bolt tightening torque data and output the collected bolt tightening torque data to the wireless communication module. The wireless communication module is used to convert the bolt tightening torque data into wireless data and upload it to the database.

[0006] In the hydraulic tensioner pump station of the present invention, an oil inlet filter is provided at the oil inlet of the hydraulic pump, a return oil filter is connected to the fifth oil path, the return oil filter is located between the electromagnetic reversing valve and the cooling device, and a high-pressure filter is connected to the fourth oil path.

[0007] In the hydraulic tensioner pump station of the present invention, a sixth oil path is connected between the first oil path and the fifth oil path, a safety valve is connected to the sixth oil path, the connection point between the sixth oil path and the fifth oil path is the first connection point, and the first connection point is located between the electromagnetic reversing valve and the return oil filter.

[0008] In the hydraulic tensioner pump station of the present invention, a seventh oil path is connected between the fifth oil path and the second oil path, a proportional overflow valve is connected to the seventh oil path, the connection point between the seventh oil path and the fifth oil path is the second connection point, and the second connection point is located between the first connection point and the electromagnetic reversing valve.

[0009] In the hydraulic tensioner pump station of the present invention, pressure sensors are connected to both the first oil path and the fourth oil path, an eighth oil path is further connected between the fourth oil path and the fuel tank, a manual valve is connected to the eighth oil path, and a liquid level gauge is provided on the fuel tank.

[0010] The hydraulic tensioner pump station of the present invention further includes a frame, the fuel tank is provided on the frame, and the motor, electromagnetic reversing valve, supercharger, high-pressure filter, quick-connect fitting, manual valve, oil inlet filter, return oil filter, cooling device, pressure sensor, safety valve and proportional overflow valve are provided on the cover plate of the fuel tank.

[0011] In the hydraulic tensioner pump station of the present invention, a front panel, side panels and a top panel are provided on the frame, a liquid crystal display screen is provided on the front panel, and an electric control box is further provided on the cover plate of the fuel tank.

[0012] In the hydraulic tensioner pump station of the present invention, the cooling device is an air-cooling device.

[0013] The control system of the hydraulic tensioner pump station in the present invention includes a third-party Internet of Things module, a flange intelligent management subsystem, and a flange intelligent fastening subsystem that are connected in sequence. The third-party Internet of Things module is respectively connected to the wireless communication module and the relay of the hydraulic tensioner pump station. The third-party Internet of Things module is used to receive the wireless data uploaded by the wireless communication module and upload it to the flange intelligent management subsystem. The third-party Internet of Things module is also used to receive the first instruction issued by the flange intelligent management subsystem, translate it into a recognizable status signal, and then issue it to the relay. The flange intelligent management subsystem is used to calculate the wireless data uploaded by the third-party Internet of Things module and upload the calculation result to the flange intelligent fastening subsystem. The flange intelligent management subsystem is also used to receive the second instruction issued by the flange intelligent fastening subsystem, convert it into the first instruction, and issue it to the third-party Internet of Things module. The flange intelligent fastening subsystem is used to receive the calculation result uploaded by the flange intelligent management subsystem, make a judgment based on the calculation result, and then issue the first instruction to the flange intelligent management subsystem.

[0014] The control method of the hydraulic tensioner pump station in the present invention includes the following steps:

[0015] Use a bolt tightening torque sensor to collect bolt tightening torque data and output it to the wireless communication module.

[0016] Use the wireless communication module to convert the bolt tightening torque data into wireless data.

[0017] Upload the wireless data to the flange intelligent management subsystem through the third-party Internet of Things module.

[0018] Use the flange intelligent management subsystem to calculate the wireless data and upload the calculation result to the flange intelligent fastening subsystem.

[0019] Use the flange intelligent fastening subsystem to make a judgment based on the calculation result and then issue the second instruction to the flange intelligent management subsystem.

[0020] Use the flange intelligent management subsystem to convert the second instruction into the first instruction and issue it to the third-party Internet of Things module.

[0021] Use the third-party Internet of Things module to translate the first instruction into a recognizable status signal and issue it to the relay.

[0022] Use the relay to convert the status signal into the first control signal and output it to the PLC control module.

[0023] Use the PLC control module to convert the first control signal into the second control signal and output it to the motor to control the working state of the motor.

[0024] The difference between the hydraulic tensioner pump station, its control system and method of the present invention and the prior art lies in that the bolt tightening torque sensor in the present invention is used to collect bolt tightening torque data and output the collected bolt tightening torque data to the wireless communication module. The wireless communication module is used to convert the bolt tightening torque data into wireless data and upload it to the database. The status signal generated after being processed by the database is output to the relay, and the relay outputs a first control signal to the PLC control module. The PLC control module is used to output a second control signal to the motor in a controlled manner to control the working state of the motor, thereby realizing the automatic control of the pump station. In the present invention, the process of the database processing data is as follows: uploading the wireless data to the flange intelligent management subsystem through a third-party Internet of Things module, the flange intelligent management subsystem calculates the wireless data and uploads the calculation result to the flange intelligent tightening subsystem. The flange intelligent tightening subsystem makes a judgment according to the calculation result and issues a second instruction to the flange intelligent management subsystem. The flange intelligent management subsystem converts the second instruction into a first instruction and issues it to the third-party Internet of Things module. The third-party Internet of Things module translates the first instruction into an identifiable status signal and issues it to the relay.

[0025] The following further describes the present invention with reference to the accompanying drawings. Description of the Drawings

[0026] Figure 1 It is a perspective view of the hydraulic tensioner pump station in the present invention;

[0027] Figure 2 It is a front view of the hydraulic tensioner pump station in the present invention;

[0028] Figure 3 It is a top view of the hydraulic tensioner pump station in the present invention;

[0029] Figure 4 It is a left view of the hydraulic tensioner pump station in the present invention;

[0030] Figure 5 It is a perspective view of the hydraulic tensioner pump station in the present invention (with the fuel tank, top plate and side plates hidden);

[0031] Figure 6 It is a front view of the hydraulic tensioner pump station in the present invention (with the fuel tank, top plate and side plates hidden);

[0032] Figure 7 It is a top view of the hydraulic tensioner pump station in the present invention (with the fuel tank, top plate and side plates hidden);

[0033] Figure 8 It is a left view of the hydraulic tensioner pump station in the present invention (with the fuel tank, top plate and side plates hidden);

[0034] Figure 9This is the schematic diagram of the hydraulic tensioner pump station in the present invention (when the electromagnetic directional valve is not commutated);

[0035] Figure 10 This is the schematic diagram of the hydraulic tensioner pump station in the present invention (when the electromagnetic directional valve is commutated for the first time);

[0036] Figure 11 This is the schematic diagram of the hydraulic tensioner pump station in the present invention (when the electromagnetic directional valve is commutated for the second time);

[0037] Figure 12 This is the schematic diagram of the control system structure of the hydraulic tensioner pump station in the present invention. Detailed implementation manners

[0038] As Figure 9 shown, and in combination with Figure 10 , 11 shown, the hydraulic tensioner pump station in the present invention includes an oil tank 1, above which there is a motor 4, the motor 4 drives a hydraulic pump 6 located in the oil tank 1, the hydraulic pump 6 is connected to an electromagnetic directional valve 12 through a first oil circuit 11, the electromagnetic directional valve 12 is connected to the low-pressure side of a supercharger 14 through a second oil circuit 13 and a third oil circuit 22, the hydraulic oil coming out of the electromagnetic directional valve 12 can flow into the supercharger 14 through the second oil circuit 13 for boosting, the hydraulic oil coming out of the electromagnetic directional valve 12 can flow to the check valve 15 of the supercharger 14 through the third oil circuit 22, the high-pressure side of the supercharger 14 is connected to a quick connector 18 through a fourth oil circuit 16, the quick connector 18 is used to connect a hydraulic cylinder 19 of the hydraulic tensioner, the electromagnetic directional valve 12 is also connected to one end of a fifth oil circuit 9, the other end of the fifth oil circuit 9 is connected to the oil tank 1, and a cooling device 24 is connected to the fifth oil circuit 9.

[0039] The hydraulic tensioner pump station in the present invention further includes a relay, a PLC control module, a bolt tightening torque sensor and a wireless communication module 35. The relay is connected to the PLC control module, the PLC control module is connected to the motor 4. The relay is used to receive a status signal and output a first control signal to the PLC control module. The PLC control module is used to output a second control signal to the motor 4 in a controlled manner. The bolt tightening torque sensor is connected to the wireless communication module 35. The bolt tightening torque sensor is used to collect bolt tightening torque data and output the collected bolt tightening torque data to the wireless communication module 35. The wireless communication module 35 is used to convert the bolt tightening torque data into wireless data and upload it to the database.

[0040] As Figure 9 shown, and in combination with Figure 10 , 11As shown, in the hydraulic tensioner pump station of the present invention, an oil inlet filter 3 is provided at the oil inlet of the hydraulic pump 6, a return oil filter 23 is connected to the fifth oil circuit 9, the return oil filter 23 is located between the electromagnetic directional valve 12 and the cooling device 24, and a high-pressure filter 17 is connected to the fourth oil circuit 16. The hydraulic pump 6 is a gear pump, and a bell housing 5 is provided between the motor 4 and the hydraulic pump 6.

[0041] As Figure 9 shown, and in combination with Figure 10 、 11 shown, in the hydraulic tensioner pump station of the present invention, a sixth oil circuit 7 is connected between the first oil circuit 11 and the fifth oil circuit 9, a safety valve 8 is connected to the sixth oil circuit 7, the sixth oil circuit 7 is provided in two, and a safety valve 8 is respectively connected to each sixth oil circuit 7. The connection point between the sixth oil circuit 7 and the fifth oil circuit 9 is the first connection point 28, and the first connection point 28 is located between the electromagnetic directional valve 12 and the return oil filter 23.

[0042] As Figure 9 shown, and in combination with Figure 10 、 11 shown, in the hydraulic tensioner pump station of the present invention, a seventh oil circuit 25 is connected between the fifth oil circuit 9 and the second oil circuit 13, a proportional relief valve 26 is connected to the seventh oil circuit 25, the connection point between the seventh oil circuit 25 and the fifth oil circuit 9 is the second connection point 27, and the second connection point 27 is located between the first connection point 28 and the electromagnetic directional valve 12.

[0043] As Figure 9 shown, and in combination with Figure 10 、 11 shown, in the hydraulic tensioner pump station of the present invention, pressure sensors 10 are connected to both the first oil circuit 11 and the fourth oil circuit 16, an eighth oil circuit 20 is further connected between the fourth oil circuit 16 and the fuel tank 1, a manual valve 21 is connected to the eighth oil circuit 20, and a liquid level gauge 2 is provided on the fuel tank 1. The fuel tank 1 is provided with an oil inlet and an oil drain port 32.

[0044] The following will describe in combination with Figure 9 - 11 how the hydraulic oil realizes commutation in the electromagnetic directional valve 12. As Figure 9 shown, at this time, the electromagnetic directional valve 12 is in an uncommutated state. As Figure 10 shown, after the electromagnetic directional valve 12 completes the first commutation, the hydraulic oil enters the electromagnetic directional valve 12 through the first oil circuit 11, and then flows into the supercharger 14 through the second oil circuit 13 for pressurization. The pressurized hydraulic oil reaches the quick connector 18 (the quick connector 18 is connected to the hydraulic cylinder 19 through an oil circuit) through the fourth oil circuit 16, and then enters the cylinder body below the piston of the hydraulic cylinder 19 through the quick connector 18. At this time, the piston rod extends. As Figure 11As shown, after the electromagnetic directional control valve 12 completes the second commutation, the hydraulic oil enters the electromagnetic directional control valve 12 through the first oil passage 11, and then flows to the check valve 15 of the supercharger 14 through the third oil passage 22, opening the check valve 15. The hydraulic oil in the cylinder body below the piston of the hydraulic cylinder 19 flows to the high-pressure side of the supercharger 14 through the quick connector 18 and the fourth oil passage 16. Then, the hydraulic oil on the high-pressure side flows to the low-pressure side of the supercharger 14 through the check valve 15, and the hydraulic oil on the low-pressure side enters the electromagnetic directional control valve 12 through the second oil passage 13. Then, the hydraulic oil flows back to the fuel tank 1 through the fifth oil passage 9. At this time, the piston rod of the hydraulic cylinder 19 retracts. The telescopic movement of the piston rod can drive the hydraulic tensioner to work. The supercharger 14 is a prior art, and its specific structure and working principle will not be described in detail here.

[0045] As Figure 1 shown, and in combination with Figure 2 - 8 shown, the hydraulic tensioner pump station in the present invention further includes a frame 37. The fuel tank 1 is provided on the frame 37. The cover plate 39 of the fuel tank 1 is provided with the motor 4, the electromagnetic directional control valve 12, the supercharger 14, the high-pressure filter 17, the quick connector 18, the manual valve 21, the inlet filter 3, the return filter 23, the cooling device 24, the pressure sensor 10, the safety valve 8, and the proportional overflow valve 26. The supercharger 14 is provided on the cover plate 39 of the fuel tank 1 through the supercharger sleeve 31. The cooling device 24 is an air-cooling device.

[0046] The frame 37 is provided with a front panel 29, side panels 34, and a top panel 38. The front panel 29 is provided with a liquid crystal display screen 30. The cover plate 39 of the fuel tank 1 is also provided with an electric control box 36. The liquid crystal display screen 30 is connected to the PLC control module and is used to display and set the parameters and status of the PLC control module. The electric control box 36 is used to accommodate electrical components.

[0047] The cover plate 39 of the fuel tank 1 is provided with a valve block 33. The valve block 33 is provided with a safety valve 8, a proportional overflow valve 26, and an electromagnetic directional control valve 12. The valve block 33 is a prior art, and its specific structure and working principle will not be described in detail here.

[0048] As Figure 12As shown in the figure, the control system of the above-mentioned hydraulic tensioner pump station in the present invention includes a third-party Internet of Things module, a flange intelligent management subsystem, and a flange intelligent fastening subsystem that are connected in sequence. The third-party Internet of Things module is respectively connected to the wireless communication module 35 and the relay of the hydraulic tensioner pump station. The third-party Internet of Things module is used to receive the wireless data uploaded by the wireless communication module 35 and upload it to the flange intelligent management subsystem. The third-party Internet of Things module is also used to receive the first instruction issued by the flange intelligent management subsystem, translate it into a recognizable status signal, and then issue it to the relay. The flange intelligent management subsystem is used to calculate the wireless data uploaded by the third-party Internet of Things module and upload the calculation result to the flange intelligent fastening subsystem. The flange intelligent management subsystem is also used to receive the second instruction issued by the flange intelligent fastening subsystem, convert it into a first instruction, and issue it to the third-party Internet of Things module. The flange intelligent fastening subsystem is used to receive the calculation result uploaded by the flange intelligent management subsystem, make a judgment based on the calculation result, and then issue a first instruction to the flange intelligent management subsystem.

[0049] The control method of the above-mentioned hydraulic tensioner pump station in the present invention includes the following steps:

[0050] Use a bolt tightening torque sensor to collect bolt tightening torque data and output it to the wireless communication module 35.

[0051] Use the wireless communication module 35 to convert the bolt tightening torque data into wireless data.

[0052] Upload the wireless data to the flange intelligent management subsystem through the third-party Internet of Things module.

[0053] Use the flange intelligent management subsystem to calculate the wireless data and upload the calculation result to the flange intelligent fastening subsystem.

[0054] Use the flange intelligent fastening subsystem to make a judgment based on the calculation result and then issue a second instruction to the flange intelligent management subsystem.

[0055] Use the flange intelligent management subsystem to convert the second instruction into a first instruction and issue it to the third-party Internet of Things module.

[0056] Use the third-party Internet of Things module to translate the first instruction into a recognizable status signal and issue it to the relay.

[0057] Use the relay to convert the status signal into a first control signal and output it to the PLC control module.

[0058] Use the PLC control module to convert the first control signal into a second control signal and output it to the motor 4 to control the working state of the motor 4.

[0059] The bolt tightening torque sensor in the present invention is used to collect bolt tightening torque data and output the collected bolt tightening torque data to the wireless communication module 35 (Wi-Fi module). The wireless communication module 35 is used to convert the bolt tightening torque data into wireless data and upload it to the database. The status signal generated after being processed by the database is output to the relay, and the relay outputs a first control signal to the PLC control module. The PLC control module is used to output a second control signal to the motor 4 under control to control the working state of the motor 4. The motor 4 drives the hydraulic pump 6 to perform operations such as starting, loading, and stopping, thereby realizing the automatic control of the pump station. In the present invention, the process of the database processing data is as follows: The wireless data is uploaded to the flange intelligent management subsystem through a third-party Internet of Things module. The flange intelligent management subsystem calculates the wireless data and uploads the calculation result to the flange intelligent tightening subsystem. The flange intelligent tightening subsystem (mobile phone APP) makes a judgment based on the calculation result and issues a second instruction to the flange intelligent management subsystem. The flange intelligent management subsystem converts the second instruction into a first instruction and issues it to the third-party Internet of Things module. The third-party Internet of Things module translates the first instruction into a recognizable status signal (0 / 1 signal) and issues it to the relay.

[0060] In the present invention, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0061] The above-described embodiments are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A hydraulic tensioner pump station, characterized in that: It includes a fuel tank, with a motor provided above the fuel tank. The motor drives a hydraulic pump located within the fuel tank. The hydraulic pump is connected to an electromagnetic directional control valve through a first oil circuit. The electromagnetic directional control valve is connected to the low-pressure side of a supercharger through a second oil circuit and a third oil circuit. The hydraulic oil coming out of the electromagnetic directional control valve can flow into the supercharger through the second oil circuit for pressurization. The hydraulic oil coming out of the electromagnetic directional control valve can flow to the check valve of the supercharger through the third oil circuit. The high-pressure side of the supercharger is connected to a quick connector through a fourth oil circuit. The quick connector is used to connect a hydraulic tensioner. The electromagnetic directional control valve is also connected to one end of a fifth oil circuit. The other end of the fifth oil circuit is connected to the fuel tank. A cooling device is connected to the fifth oil circuit. It also includes a relay, a PLC control module, a bolt tightening torque sensor, and a wireless communication module. The relay is connected to the PLC control module. The PLC control module is connected to the motor. The relay is used to receive a status signal and output a first control signal to the PLC control module. The PLC control module is used to output a second control signal to the motor in a controlled manner. The bolt tightening torque sensor is connected to the wireless communication module. The bolt tightening torque sensor is used to collect bolt tightening torque data and output the collected bolt tightening torque data to the wireless communication module. The wireless communication module is used to convert the bolt tightening torque data into wireless data and upload it to a database. The status signal generated after the database processes the data is output to the relay. The process of the database processing data is as follows: The wireless data is uploaded to the flange intelligent management subsystem through a third-party Internet of Things module. The flange intelligent management subsystem calculates the wireless data and uploads the calculation result to the flange intelligent tightening subsystem. The flange intelligent tightening subsystem makes a judgment based on the calculation result and issues a second instruction to the flange intelligent management subsystem. The flange intelligent management subsystem converts the second instruction into a first instruction and issues it to the third-party Internet of Things module. The third-party Internet of Things module translates the first instruction into a recognizable status signal and issues it to the relay.

2. The hydraulic tensioner pump station according to claim 1, wherein: An inlet oil filter is provided at the inlet of the hydraulic pump. A return oil filter is connected to the fifth oil circuit. The return oil filter is located between the electromagnetic directional control valve and the cooling device. A high-pressure filter is connected to the fourth oil circuit.

3. The hydraulic tensioner pump station according to claim 2, characterized in that: A sixth oil circuit is connected between the first oil circuit and the fifth oil circuit. A safety valve is connected to the sixth oil circuit. The connection point between the sixth oil circuit and the fifth oil circuit is the first connection point. The first connection point is located between the electromagnetic directional control valve and the return oil filter.

4. The hydraulic tensioner pump station according to claim 3, characterized in that: A seventh oil circuit is connected between the fifth oil circuit and the second oil circuit. A proportional relief valve is connected to the seventh oil circuit. The connection point between the seventh oil circuit and the fifth oil circuit is the second connection point. The second connection point is located between the first connection point and the electromagnetic directional control valve.

5. The hydraulic tensioner pump station according to claim 4, characterized in that: Pressure sensors are connected to both the first oil circuit and the fourth oil circuit. An eighth oil circuit is also connected between the fourth oil circuit and the fuel tank. A manual valve is connected to the eighth oil circuit. A liquid level gauge is provided on the fuel tank.

6. The hydraulic tensioner pump station according to claim 5, characterized in that: It further includes a frame, on which the fuel tank is provided. On the cover plate of the fuel tank, there are provided the motor, electromagnetic directional valve, supercharger, high-pressure filter, quick connector, manual valve, inlet filter, return oil filter, cooling device, pressure sensor, safety valve and proportional overflow valve.

7. The hydraulic tensioner pump station according to claim 6, wherein: On the frame, there are provided a front panel, side panels and a top panel. On the front panel, there is provided a liquid crystal display screen. On the cover plate of the fuel tank, there is also provided an electric control box.

8. The hydraulic tensioner pump station according to claim 7, characterized in that: The cooling device is an air-cooling device.

9. A control system for the hydraulic tensioner pump station according to any one of claims 1-8, characterized in that: It includes a third-party Internet of Things module, a flange intelligent management subsystem and a flange intelligent fastening subsystem connected in sequence. The third-party Internet of Things module is respectively connected with the wireless communication module and the relay of the hydraulic tensioner pump station. The third-party Internet of Things module is used to receive the wireless data uploaded by the wireless communication module and upload it to the flange intelligent management subsystem. The third-party Internet of Things module is also used to receive the first instruction issued by the flange intelligent management subsystem, translate it into an identifiable status signal and issue it to the relay. The flange intelligent management subsystem is used to calculate the wireless data uploaded by the third-party Internet of Things module and upload the calculation result to the flange intelligent fastening subsystem. The flange intelligent management subsystem is also used to receive the second instruction issued by the flange intelligent fastening subsystem, convert it into the first instruction and issue it to the third-party Internet of Things module. The flange intelligent fastening subsystem is used to receive the calculation result uploaded by the flange intelligent management subsystem, make a judgment according to the calculation result and issue the first instruction to the flange intelligent management subsystem.

10. A control method for a hydraulic tensioner pump station according to any one of claims 1-8, characterized in that, It includes the following steps: Use a bolt tightening torque sensor to collect bolt tightening torque data and output it to the wireless communication module. Use the wireless communication module to convert the bolt tightening torque data into wireless data. Upload the wireless data to the flange intelligent management subsystem through the third-party Internet of Things module. Use the flange intelligent management subsystem to calculate the wireless data and upload the calculation result to the flange intelligent fastening subsystem. Use the flange intelligent fastening subsystem to make a judgment according to the calculation result and issue the second instruction to the flange intelligent management subsystem. Use the flange intelligent management subsystem to convert the second instruction into the first instruction and issue it to the third-party Internet of Things module. Use the third-party Internet of Things module to translate the first instruction into an identifiable status signal and issue it to the relay. Use the relay to convert the status signal into a first control signal and output it to the PLC control module. Use the PLC control module to convert the first control signal into a second control signal and output it to the motor to control the working state of the motor.

Images