A measurement and control system for silicone oil fans

Abstract

The present invention discloses a silicone oil fan measurement and control system, including a base, a driving mechanism is provided on the base, the driving mechanism is connected to a transmission shaft, and the transmission shaft is connected to a clutch of the silicone oil fan; it also includes a controller, a torque detection device, a speed detection device and an airflow detection device, the torque detection device is used to detect the torque of the transmission shaft, the controller is used to obtain test data of the silicone oil fan based on the detection information of the torque detection device and the speed detection device, and based on the detection information of the airflow detection device, the test data of the silicone oil fan is corrected to obtain corrected data. The measurement and control system can use the airflow detection device to detect the changes in the airflow around the silicone oil fan, the changes in the front and rear wind pressures, and whether there is turbulence, and other problems, and obtain more accurate data by correcting the background data, so as to minimize the influence of the external environment on the silicone oil fan.

Description

Technical Field

[0001] The invention relates to the technical field of automobile manufacturing, and in particular to a silicone oil fan measurement and control system. Background Art

[0002] The core of the silicone oil fan is the clutch, which uses silicone oil as a medium and uses the shear viscosity of silicone oil to transmit torque. The fan speed is designed to ensure that the engine does not overheat under the worst operating conditions. Therefore, during the normal driving of the vehicle, the fan speed should be controlled within an appropriate range to reduce noise and improve engine economy. For engine-driven fans, fan clutches are usually used to control their speed. Viscous fluid (silicone oil) is sealed inside the clutch, which transmits torque by its shear viscosity. A bimetallic strip is installed in front of the fan to sense the air temperature passing through the radiator, thereby controlling the amount of silicone oil in the fan working chamber. Only when necessary can the torque be transmitted to rotate the fan. In the early stage, the switch-type silicone oil fan clutch only cuts off and connects the rotational driving force at high and low temperatures. With the changes in the vehicle's requirements for air volume, noise, and quality characteristics, a dedicated measurement and control device is required to develop a new silicone oil fan and meet market requirements, so as to meet the requirements of detecting whether the silicone oil fan meets its early design requirements and thus meet the market demand. The existing silicone oil fan measurement and control equipment has a single function, many detector interferences, and low detection accuracy, which cannot meet the OEM's detection accuracy requirements for each product. Summary of the invention

[0003] The purpose of the present invention is to provide a silicone oil fan measurement and control system to solve the above problems existing in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a silicone oil fan measurement and control system, including a base, a driving mechanism is provided on the base, the driving mechanism is connected to a transmission shaft, and the transmission shaft is connected to the clutch of the silicone oil fan; it also includes a controller, a torque detection device, a speed detection device and an airflow detection device, the torque detection device is used to detect the torque of the transmission shaft, the speed detection device is used to detect the speed of the silicone oil fan, the airflow detection device is used to detect the surrounding airflow of the silicone oil fan, the controller is used to obtain the test data of the silicone oil fan based on the detection information of the torque detection device and the speed detection device, and based on the detection information of the airflow detection device, the test data of the silicone oil fan is corrected to obtain the corrected data. The measurement and control system can use the airflow detection device to detect the changes in the airflow around the silicone oil fan, the changes in the front and rear wind pressures, and whether there are turbulence and other problems, and obtain more accurate data by correcting the background data, so as to minimize the influence of the external environment on the silicone oil fan.

[0005] As an optional solution of the present invention, the airflow detection device includes a first wind pressure sensor and a second wind pressure sensor, and the first wind pressure sensor and the second wind pressure sensor are used to detect the wind pressure values ​​at the front end and the rear end of the silicone oil fan. The controller corrects the test data of the silicone oil fan based on the wind pressure values ​​at the front end and the rear end of the silicone oil fan to obtain corrected data.

[0006] As an optional solution of the present invention, it also includes a wind speed and wind pressure simulation device, which is connected to the controller. The wind speed and wind pressure simulation device is used to simulate the surrounding air field of the silicone oil fan. The controller is based on the wind pressure value detected by the first wind pressure sensor and the second wind pressure sensor, and adjusts the wind speed and wind pressure simulation device. The present invention uses an airflow detection device to detect the wind field data of the equipment in real time, and adjusts the control of the inlet and outlet air valves of the front bin in real time according to the surrounding wind pressure changes, thereby reducing the impact of the surrounding wind field on the equipment, reducing the change of the front and rear pressure difference when the fan is running to affect its detection data, and providing preliminary data for subsequent tests through a data analysis statistical data system, and providing revised parameters for the subsequent fan operation, so that the subsequent test fan can successfully pass the test requirements of the equipment.

[0007] As an optional solution of the present invention, the speed detection device includes a photoelectric speed sensor, which is used to detect the speed of the silicone oil fan. The direction in which the photoelectric speed sensor emits light is parallel to the blades of the silicone oil fan, and the photoelectric speed sensor can adjust its position along the radial direction of the silicone oil fan.

[0008] As an optional solution of the present invention, it also includes a silicone oil feeding device connected to the controller, and the silicone oil feeding device is connected to the electronic valve of the silicone oil fan. The controller is used to control the silicone oil feed amount of the silicone oil fan through the silicone oil feeding device, thereby controlling the torque of the transmission shaft.

[0009] As an optional solution of the present invention, the driving mechanism includes a driving motor, which is connected to the controller, and a driving wheel is provided at the output end of the driving motor; a fixing device for mounting a silicone oil fan and a transmission shaft is provided on the base, a driven wheel is provided on the transmission shaft, a belt is provided between the driven wheel and the driving wheel, and the belt is equipped with a tensioning mechanism.

[0010] As an optional solution of the present invention, the fixing device includes a fixing seat, which is arranged on the base. The fixing seat is provided with a bearing seat for mounting the transmission shaft. A hydraulic chuck is provided at one end of the transmission shaft, and the hydraulic chuck is connected to the silicone oil fan.

[0011] As an optional solution of the present invention, the tensioning mechanism includes a tensioning platform, the driving motor is installed on the tensioning platform, one end of the tensioning platform is rotatably connected to the base, and a lifting and lowering adjustment mechanism is provided between the other end of the tensioning platform and the base.

[0012] As an optional solution of the present invention, the lifting and adjusting mechanism includes a support member, the support member is provided with a screw rod, the screw rod is externally threadedly connected with an adjusting top thread sleeve, and the tensioning platform is provided with a threaded hole adapted to the adjusting top thread sleeve.

[0013] As an optional solution of the present invention, an adjusting nut is threadedly connected to the adjusting top thread sleeve, and the adjusting nut abuts against the surface of the driving mechanism; a locking nut is threadedly connected to the screw rod, and the locking nut abuts against the surface of the adjusting top thread sleeve.

[0014] As an optional solution of the present invention, the support member is a support block or a shock absorbing block.

[0015] The beneficial effects of the present invention are:

[0016] The present invention provides a measurement and control system for a silicone oil fan. The controller obtains test data of the silicone oil fan based on the detection information of a torque detection device and a speed detection device, and corrects the test data of the silicone oil fan based on the detection information of an airflow detection device to obtain correction data. The measurement and control system can use the airflow detection device to detect changes in the airflow around the silicone oil fan, changes in the front and rear wind pressures, and whether there is turbulence, and obtain more accurate data by correcting the background data, so as to minimize the impact of the external environment on the silicone oil fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an implementation mode of the present invention;

[0018] Figure 2 is a schematic diagram of the three-dimensional structure of a tensioning mechanism in one embodiment of the present invention;

[0019] Figure 3 It is a schematic cross-sectional structure diagram of a tensioning mechanism in one embodiment of the present invention.

[0020] In the figure: 1-base; 2-transmission shaft; 3-silicon oil fan; 4-drive motor; 5-driving wheel; 6-driven wheel; 7-belt; 8-fixed seat; 9-bearing seat; 10-hydraulic chuck; 11-tensioning platform; 12-screw rod; 13-adjusting top thread sleeve; 14-adjusting nut; 15-locking nut; 16-support block; 17-shock absorber block; 18-hydraulic workstation. DETAILED DESCRIPTION

[0021] Example

[0022] like Figure 1-Figure 3As shown, this embodiment provides a silicone oil fan measurement and control system, including a base 1, on which a driving mechanism is provided, and the driving mechanism is connected to a transmission shaft 2, and the transmission shaft 2 is connected to a clutch of a silicone oil fan 3. The driving mechanism can drive the transmission shaft 2 to rotate, and the transmission shaft 2 rotates with the rotor of the silicone oil fan 3. It also includes a controller, a torque detection device, a speed detection device and an airflow detection device. The torque detection device is used to detect the torque of the transmission shaft 2. The torque detection device adopts a torque meter, which is connected to the controller, and the output torque of the transmission shaft 2 is detected by the torque meter. The speed detection device is used to detect the speed of the silicone oil fan 3, and the airflow detection device is used to detect the surrounding airflow of the silicone oil fan 3. The controller is used to obtain the test data of the silicone oil fan 3 based on the detection information of the torque detection device and the speed detection device, and based on the detection information of the airflow detection device, the test data of the silicone oil fan 3 is corrected to obtain the corrected data.

[0023] The controller usually adopts a PLC controller, which can control the speed of the driving mechanism and analyze and detect whether the blades and clutch of the silicone oil fan 3 can meet the relevant requirements at different speeds. By setting different time conditions, ranging from a few seconds to a few minutes, the various indicators of the silicone oil fan 3 in different time periods are detected to further detect the durability of all aspects of the silicone oil fan 3. The measurement and control system can use the airflow detection device to detect the changes in the airflow around the silicone oil fan 3, the changes in the front and rear wind pressures, and whether there are turbulence and other problems, and obtain more accurate data through the correction of background data, so as to minimize the impact of the external environment on the silicone oil fan 3.

[0024] Among them, the measurement and control system also includes a wind speed and wind pressure simulation device, which is connected to the controller. The wind speed and wind pressure simulation device is used to simulate the surrounding air field of the silicone oil fan 3. The controller adjusts the wind speed and wind pressure simulation device based on the wind pressure values ​​detected by the first wind pressure sensor and the second wind pressure sensor.

[0025] In this embodiment, the airflow detection device includes a first wind pressure sensor and a second wind pressure sensor, which are used to detect the wind pressure values ​​at the front end and the rear end of the silicone oil fan 3. The controller corrects the test data of the silicone oil fan 3 based on the wind pressure values ​​at the front end and the rear end of the silicone oil fan 3 to obtain the corrected data. The PLC controller corrects the test data of the silicone oil fan 3 by analyzing the changes in the front and rear wind pressures and whether there are turbulence and other problems.

[0026] In one embodiment, the speed detection device includes a photoelectric speed sensor, which is used to detect the speed of the silicone oil fan 3. The direction of the light emitted by the photoelectric speed sensor is parallel to the blades of the silicone oil fan 3. The photoelectric speed sensor can adjust the position along the radial direction of the silicone oil fan 3 and can adapt to silicone oil fans 3 of different sizes and structures. Specifically, the photoelectric speed sensor includes a light emitting end and a light receiving end, which can be integrally arranged or separately arranged. In this embodiment, the light emitting end and the light receiving end are integrally arranged on the bracket, and the bracket can slide along the radial direction of the silicone oil fan 3 relative to the silicone oil fan 3. The light emitting end and the light receiving end are respectively located on both sides of the axial direction of the silicone oil fan 3. When the silicone oil fan 3 rotates, the fan blades pass between the light receiving end and the light emitting end, which can block the light emitted by the light emitting end. The light receiving end cannot receive the light and outputs a first signal. When there are no fan blades between the light receiving end and the light emitting end, the light receiving end can receive the light emitted by the light emitting end and output a second signal. The speed of the silicone oil fan 3 can be calculated by the number of first signals or second signals emitted by the photoelectric speed sensor per unit time and combined with the number of fan blades.

[0027] The measurement and control system also includes a silicone oil feeding device connected to the controller, the silicone oil feeding device is connected to the electronic valve of the silicone oil fan 3, and the controller is used to control the silicone oil feeding amount of the silicone oil fan 3 through the silicone oil feeding device, thereby controlling the torque of the transmission shaft 2. The measurement and control system can use the silicone oil feeding device to control the electronic valve of the silicone oil fan 3, and then control the feeding amount of silicone oil to achieve the control of the torque of the silicone oil clutch, and further detect the impact resistance of the silicone oil fan 3 in various aspects in combination with the rotation speed of the silicone oil fan 3 and the torque change of the transmission shaft 2.

[0028] like Figure 1 As shown, in this embodiment, the driving mechanism includes a driving motor 4, which is connected to a controller, and a driving wheel 5 is provided at the output end of the driving motor 4; a fixing device for mounting the silicone oil fan 3 and the transmission shaft 2 is provided on the base 1, and a driven wheel 6 is provided on the transmission shaft 2, and a belt 7 is provided between the driven wheel 6 and the driving wheel 5, and the belt 7 is provided with a tensioning mechanism. If the belt 7 is too loose, it will affect the transmission of torque, increase noise, and may also cause the belt 7 to fall off; if the belt 7 is too tight, it will cause the belt 7 to wear and reduce its service life. Therefore, the present invention designs a tensioning mechanism for the belt 7, which can realize the tension adjustment of the belt 7 and the replacement of the belt 7, which is conducive to the inspection and maintenance of the driving motor 4.

[0029] The fixing device includes a fixing seat 8, which is arranged on the base 1. The fixing seat 8 is provided with a bearing seat 9 for mounting the transmission shaft 2. A hydraulic chuck 10 is provided at one end of the transmission shaft 2. The hydraulic chuck 10 is connected to a hydraulic workstation 18. The hydraulic chuck 10 is connected to the silicone oil fan 3 to fix the silicone oil fan 3.

[0030] like Figure 2 and Figure 3 As shown, specifically, the tensioning mechanism includes a tensioning platform 11, the driving motor 4 is installed on the tensioning platform 11, one end of the tensioning platform 11 is rotatably connected to the base 1, and a lifting and lowering adjustment mechanism is provided between the other end of the tensioning platform 11 and the base 1. The lifting and lowering adjustment mechanism includes a support member, a screw rod 12 is provided on the support member, and the screw rod 12 is externally threadedly connected with an adjusting top thread sleeve 13, and the tensioning platform 11 is provided with a threaded hole adapted to the adjusting top thread sleeve 13. An adjusting nut 14 is threadedly connected to the adjusting top thread sleeve 13, and the adjusting nut 14 rests on the surface of the driving mechanism. A locking nut 15 is threadedly connected to the screw rod 12, and the locking nut 15 rests on the surface of the adjusting top thread sleeve 13.

[0031] The support member can be a support block 16 or a shock-absorbing block 17. In this embodiment, there are three lifting and adjusting mechanisms between the tensioning platform 11 and the base 1, wherein the support members of two of the lifting and adjusting mechanisms are shock-absorbing blocks 17, and the support member of the other lifting and adjusting mechanism is a support block 16, which supports the tensioning platform 11 and provides shock-absorbing effect at the same time, thereby reducing the vibration of the drive motor 4, improving the smoothness of the operation of the drive motor 4, and increasing the service life of the internal components of the drive motor 4.

[0032] The present invention provides a silicone oil fan measurement and control system, which provides different speeds, different torques, and different working time periods to the silicone oil fan 3 through a driving mechanism, and detects the detection information of the silicone oil fan 3 through a torque detection device, a speed detection device, and an airflow detection device, and then obtains various performance indicators of the silicone oil fan 3 through data analysis and processing. The present invention uses an airflow detection device to detect the wind field data in the operation of the equipment in real time, and adjusts the control of the inlet and outlet air valves of the front bin in real time according to the surrounding wind pressure changes, thereby reducing the impact of the surrounding wind field on the equipment, reducing the impact of the change of the front and rear pressure difference when the fan is running on its detection data, and providing preliminary data for subsequent tests through a data analysis statistical data system, and providing revised parameters for the subsequent fan operation, so that the subsequent test fan can successfully pass the test requirements of the equipment.

[0033] The prerequisites for the use of this measurement and control system include compressed gas of not less than 0.6Mpa, which provides a built-in positive pressure for the rotor parts inside the bearing seat 9 to prevent dust from entering the bearing seat 9 and affecting its life; a 185kW and 380V AC motor is used, so that it can output the required speed and torque; a hydraulic workstation 18 that can provide at least 50Mpa is used to provide a strong tensioning force for the hydraulic workstation 18, so that the front hydraulic chuck 10 of the bearing seat 9 can clamp the silicone oil fan 3 to prevent it from falling off and flying out during operation; the use of a tensioning mechanism can make the belt 7 better connect the driving wheel 5 and the driven wheel 6, and it can also facilitate the replacement of the belt 7 and the maintenance of the motor; the external circulating chilled water with a minimum temperature of 7°C can be directly connected to the motor inlet and outlet flange, and the shaft side seat also needs to be connected to the chilled water to prevent the bearing from overheating and damage, and the AC power supply is connected to the motor box.

[0034] Before the motor runs, check whether the water, electricity and gas are in operation, check whether the hydraulic workstation 18 operates normally, check whether the hydraulic pipelines have leakage, etc., try to install the silicone oil fan 3 and check whether the bearing seat 9 hydraulic chuck 10 is clamped and whether it is in place.

[0035] The operation steps of the measurement and control system include:

[0036] Step 1: Before the motor is running, the motor and the tensioning platform 11 are assembled, and the tensioning platform 11 and the shock absorber are adjusted to connect the motor synchronous belt with the motor driving wheel 5 and the driven wheel 6 of the bearing seat 9. The tension can be tested with a tensioning force instrument; connect the cooling water to the inlet and outlet flange ports, connect at least 380V\185kW three-phase power supply to the motor box, install the silicone oil fan 3 into the hydraulic chuck 10 of the bearing seat 9, and control it with a PLC program. The speed ratio of the motor driving wheel 5 and the driven wheel 6 is 0.727, and the hydraulic workstation 18 Hydraulic oil needs to be injected, and the hydraulic oil height should be below the safety line of the oil window of the hydraulic workstation 18. Check whether the pipeline of the hydraulic workstation 18 is loose. In the early stage, you can power on to check whether the hydraulic workstation 18 is working normally. After power on, check whether the tightening of the hydraulic chuck 10 is normal and whether the pressure of the hydraulic workstation 18 is within the set value range. After completion, check whether there is any error on the intelligent operation control system page. If there is, find the reason and cancel the error. If there is no error on the entire control page, it means that the above preparations are completed and the trial run can begin.

[0037] Step 2: Give a signal to the hydraulic workstation 18 to open the hydraulic chuck 10 in front of the spindle, and install the silicone oil fan 3 into the hydraulic chuck 10 in front of the spindle. Then give a signal to the hydraulic workstation 18, and the hydraulic chuck 10 in front of the spindle tightens the silicone oil fan 3. The background PLC program inputs the required speed to the motor drive system and detects whether the above signal is detected on the computer control page according to the data analysis statistical data system. For example, the maximum setting of the motor is 4000R / min, then according to the speed ratio, the fan speed is 5500R / min, and the speed ratio is 0.727, different working conditions can be set. For example, set the fan at 2200R / min, and test the fan to run for 1 minute; 1400R / min, run for 40 seconds; 800R / min, run for 30 seconds, etc. At the same time, the torque flange can detect the torque in real time to judge the torque fluctuation of the silicone oil fan 3; the silicone oil solenoid valve of the silicone oil fan 3 can be manually opened and closed, so that the silicone oil fan 3 can be made to idle or load, to detect whether the fan performance of the silicone oil fan 3 meets the loading requirements at different speeds.

[0038] Step 3: After the test of the silicone oil fan 3 is completed, an electrical signal is given to the hydraulic workstation 18 to loosen the hydraulic chuck 10 in front of the spindle. The power drive detection system detects whether the above electrical signal is detected. During operation, the error value of the detection data can be compared with the motor system feedback data. If the error does not affect the test requirements within a certain range, it will not affect the test data. Then, the silicone oil fan 3 can be removed after completion. This cycle can be used for assembly line operation and meet the detection requirements of each silicone oil fan 3.

[0039] Step 4: Manually adjust the front and rear test chamber air valves according to the wind speed and wind pressure simulation device to see if the control is normal, and whether the valve opening and closing are consistent with the actual input instructions of the system. During operation, you can also observe by listening to the sound and identifying the position to prepare for the subsequent stable operation of the system.

[0040] Step 5: If a new product needs to be debugged on site, automated production cannot be adopted and manual operation is required.

[0041] In the description of the present invention, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, and may be fixedly connected, detachably connected, or integrated; may be mechanically connected or electrically connected; may be directly connected or indirectly connected through an intermediate medium, may be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood. In addition, the specific features, structures, etc. described in the embodiments are included in at least one embodiment. Under the condition that there is no contradiction, those skilled in the art may combine the features of different embodiments. The protection scope of the present invention is not limited to the above-mentioned specific embodiments. According to the basic technical concept of the present invention, the embodiments that can be associated with by ordinary technicians in this field without creative work all belong to the protection scope of the present invention.

Claims

1. A silicone oil fan measurement and control system, characterized in that: The invention comprises a base (1), wherein the base (1) is provided with a driving mechanism, wherein the driving mechanism is connected to a transmission shaft (2), wherein the transmission shaft (2) is connected to a clutch of a silicone oil fan (3); and further comprises a controller, a torque detection device, a rotation speed detection device and an airflow detection device, wherein the torque detection device is used to detect the torque of the transmission shaft (2), the rotation speed detection device is used to detect the rotation speed of the silicone oil fan (3), and the airflow detection device is used to detect the airflow around the silicone oil fan (3), wherein the controller is used to obtain test data of the silicone oil fan (3) based on detection information of the torque detection device and the rotation speed detection device, and to correct the test data of the silicone oil fan (3) based on the detection information of the airflow detection device to obtain corrected data; The airflow detection device comprises a first wind pressure sensor and a second wind pressure sensor, the first wind pressure sensor and the second wind pressure sensor being used to detect wind pressure values ​​at the front end and the rear end of the silicone oil fan (3), and the controller corrects test data of the silicone oil fan (3) based on the wind pressure values ​​at the front end and the rear end of the silicone oil fan (3) to obtain corrected data; It also includes a wind speed and wind pressure simulation device, which is connected to a controller and is used to simulate the surrounding air field of the silicone oil fan (3). The controller adjusts the wind speed and wind pressure simulation device based on the wind pressure values ​​detected by the first wind pressure sensor and the second wind pressure sensor.

2. The silicone oil fan measurement and control system according to claim 1, characterized in that: The rotation speed detection device comprises a photoelectric rotation speed sensor, the photoelectric rotation speed sensor is used to detect the rotation speed of the silicone oil fan (3), the direction of light emitted by the photoelectric rotation speed sensor is parallel to the blades of the silicone oil fan (3), and the photoelectric rotation speed sensor can adjust its position along the radial direction of the silicone oil fan (3).

3. The silicone oil fan measurement and control system according to claim 1, characterized in that: It also comprises a silicone oil feeding device connected to the controller, the silicone oil feeding device being in communication with the electronic valve of the silicone oil fan (3), and the controller being used to control the silicone oil feeding amount of the silicone oil fan (3) through the silicone oil feeding device, thereby controlling the torque of the transmission shaft (2).

4. The silicone oil fan measurement and control system according to claim 1, characterized in that: The driving mechanism comprises a driving motor (4), the driving motor (4) being connected to a controller, and an output end of the driving motor (4) being provided with a driving wheel (5); a fixing device for mounting a silicone oil fan (3) and a transmission shaft (2) is provided on the base (1), a driven wheel (6) is provided on the transmission shaft (2), a belt (7) is provided between the driven wheel (6) and the driving wheel (5), and the belt (7) is provided with a tensioning mechanism.

5. The silicone oil fan measurement and control system according to claim 4, characterized in that: The fixing device comprises a fixing seat (8), the fixing seat (8) being arranged on the base (1), the fixing seat (8) being provided with a bearing seat (9) for mounting the transmission shaft (2), one end of the transmission shaft (2) being provided with a hydraulic chuck (10), the hydraulic chuck (10) being connected to the silicone oil fan (3).

6. The silicone oil fan measurement and control system according to claim 4, characterized in that: The tensioning mechanism comprises a tensioning platform (11), the driving motor (4) is mounted on the tensioning platform (11), one end of the tensioning platform (11) is rotatably connected to the base (1), and a lifting and lowering adjustment mechanism is provided between the other end of the tensioning platform (11) and the base (1).

7. The silicone oil fan measurement and control system according to claim 6, characterized in that: The lifting and lowering adjustment mechanism comprises a support member, the support member is provided with a screw rod (12), the screw rod (12) is externally threadedly connected to an adjusting top thread sleeve (13), and the tensioning platform (11) is provided with a threaded hole adapted to the adjusting top thread sleeve (13).

8. The silicone oil fan measurement and control system according to claim 7, characterized in that: The adjusting top thread sleeve (13) is threadedly connected with an adjusting nut (14), and the adjusting nut (14) abuts against the surface of the driving mechanism; the screw rod (12) is threadedly connected with a locking nut (15), and the locking nut (15) abuts against the surface of the adjusting top thread sleeve (13); and the supporting member is a supporting block (16) or a shock absorbing block (17).

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