463 results about "Clutch control" patented technology

The invention discloses a centralized clutch control method for an arrayed wave energy conversion device. The centralized clutch control method comprises the steps that numerical modeling and hydrodynamic analysis are conducted on the arrayed wave energy conversion device; establishing a time domain motion equation of the array wave energy conversion device; a state-space equation of the arrayed wave energy conversion device is established, the state-space equation is used for replacing a convolution term of a time domain motion equation, the motion state of the arrayed wave energy conversion device is obtained through calculation, and finally centralized clutch control is carried out on the arrayed wave energy conversion device to capture wave energy to the maximum extent. According to the method, the hydrodynamic interference effect between the wave energy conversion units in the array is fully considered, the overall energy capture efficiency of the array type wave energy conversion device is taken as an optimization target, the optimal global control command is solved, the movement of each wave energy conversion unit is cooperatively adjusted, and the method has a remarkable advantage in the aspect of energy capture efficiency and is suitable for large-scale popularization and application. And the overall energy absorption capacity of the wave energy conversion device is effectively improved.

The invention relates to an ultrasonic catheter driving device and an ultrasonic imaging device.The driving device comprises a base, a first driving mechanism and a first transmission mechanism, the first driving mechanism and the first transmission mechanism are arranged on the base, and the first driving mechanism is used for providing power for the first transmission mechanism; the first transmission mechanism comprises a first transmission assembly, a second transmission assembly and a clutch control assembly, the first transmission assembly abuts against the second transmission assembly, and the clutch control assembly is arranged on the first transmission assembly and used for driving the first transmission assembly to move linearly. And the first transmission assembly and the second transmission assembly are separated from each other or abut against each other. The device is simple in structure, can realize switching between automatic control and manual control in the linear motion process of the ultrasonic catheter, and is direct in response and simple and reliable in structure.

A bulldozer includes a control unit for controlling left and right steering clutches and left and right steering brakes, thereby executing a turning control of the vehicle. The control unit switches between a clutch control and a brake control on the basis of a differential between an actual turning radius and a target turning radius.

The invention belongs to the technical field of robots, and relates to a single-motor transverse walking exoskeleton based on a gear transmission system, the single-motor transverse walking exoskeleton comprises a waist assembly, an electric control assembly, a swing assembly and a thigh binding assembly, the waist assembly is used for being bound to the waist of a wearer; the electric control assembly is mounted on the waist assembly, comprises a motor, a synchronous belt, a synchronous wheel, a clutch and a gear set, and is used for providing power; the swing assembly is connected with the electric control assembly and used for driving the legs of the wearer to swing transversely. The thigh binding assembly is connected with the swing assembly and used for being bound to the leg of a wearer. The motor drives the synchronous wheels on the two sides through the synchronous belt, transmission of the gear set is controlled through the clutch, and transverse walking assistance or resistance control over the legs on the two sides through the single motor is achieved. According to the single-motor transverse walking exoskeleton based on the gear transmission system, transverse walking assistance which is light in weight, low in cost and high in controllability is achieved through the design of combination of the single motor, the double clutches and the gears.

The utility model relates to a clutch control device which comprises a clutch execution ejector rod connected with a clutch and used for driving the clutch to be separated or combined. The automatic driving module comprises a sensor unit, a control unit and an execution unit, the driving motors comprise the first driving motor and the second driving motor, and output shafts of the first driving motor and the second driving motor are connected to the transmission assembly; the first driving motor and the second driving motor can synchronously and independently drive the transmission assembly. According to the scheme, a double-motor driving structure is used, the two motors can synchronously and independently drive the transmission assembly, and under the automatic control mode, even if one motor breaks down, the other motor can still guarantee normal work of the clutch control device.

The invention discloses a clutch torque transmission characteristic dynamic test method, and relates to the field of clutch control, and the method comprises the steps: building a test bench, and separating a clutch, the transmission is put into a direct gear; presetting working condition parameters, wherein the working condition parameters comprise an output dynamometer target rotating speed N, an input dynamometer target rotating speed N and a clutch actuator target initial position P; obtaining a preset target torque loading strategy; according to the preset target torque loading strategy, the current position of a clutch actuator is controlled, a clutch friction pair is made to move relatively, and meanwhile test data are collected; acquiring a preset temperature threshold value; according to the test data, whether the clutch reaches a preset temperature threshold value or not is judged; if not, continuing to execute the preset target torque loading strategy; if yes, acquiring a target test position, and generating test data of the target test position; and preprocessing the test data according to the target test position test data, and generating an all-position test result.

The invention discloses a control method and device for a low-temperature clutch of an electric drive gearbox of engineering machinery and a storage medium, and belongs to the technical field of engineering machinery. The real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of the clutch pack; the real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of a clutch pack, and the real-time rotating speed of a driving motor is given according to the rotating speed of the output end of the clutch; performing low-temperature gear shifting in a static state: controlling the real-time given torque of a driving motor to be 0, and controlling the real-time given current combined with a clutch electromagnetic valve according to the pressure of a clutch pack; and low-temperature gear shifting is conducted in the running state, specifically, real-time torque of a driving motor is given according to clutch pack pressure control in combination with real-time given current of a clutch electromagnetic valve and based on the rotating speed difference of the input end and the output end of a clutch, and the smoothness of the starting and gear shifting process is improved.

This invention provides a hybrid power drive device and a vehicle having the same. The hybrid power drive device includes an engine, a first motor, a second motor, and a compound planetary gear set. The output end of the engine is driven to the motor shaft of the first motor. The motor shaft of the second motor drives the wheels to rotate. A first sun gear meshes with a first planetary gear, and both the second sun gear and the first planetary gear mesh with a second planetary gear. The second planetary gear meshes with a ring gear, and the ring gear is driven to the wheels. A brake controls the operating state of the second sun gear, a first clutch controls the engagement or disengagement of the engine output end with the first sun gear, and a second clutch controls the engagement or disengagement of the engine output end with the planetary carrier. The technical solution provided in this application solves the problem in related technologies where hybrid power drive devices struggle to simultaneously achieve efficiency and compactness across multiple operating modes, as well as flexible drive switching.

The invention discloses an electronic control pneumatic clutch control system and method based on a domain control principle and a vehicle, and relates to the field of automobiles. The system comprises a transmission control unit (TCU). The transmission control unit TCU is connected with a clutch control unit CCU through a signal transmission system, and the clutch control unit CCU is connected with a central clutch actuator CCA; the clutch control unit CCU comprises a gas supply module and an electric control module; the air supply module is connected with the electric control module and communicates the electric control module to the transmission control unit TCU; the electric control module comprises an electromagnetic valve assembly. The CCU is innovatively controlled according to a modular design mode through a domain control principle, the clutch control precision is met, meanwhile, the arrangement requirement of the CCU is lowered, and the overall hardware size is effectively reduced. The arrangement is more flexible, and the development cost is reduced.

The invention relates to the technical field of knee joint exoskeleton devices, in particular to a clutch control type knee joint exoskeleton damping device and a control method. Comprising a pair of rotating assemblies which are rotationally connected; the pair of leg connecting assemblies are connected with the pair of rotating assemblies correspondingly, and the pair of leg connecting assemblies are used for being connected with the thighs and the shanks on the same side of the user correspondingly; the rotary damper is controllably coupled with the knee joint assembly; the clutch device is arranged between the rotary damper and the knee joint assembly, and the clutch device is used for switching the coupling state of the knee joint assembly and the rotary damper; and the control unit is used for judging a gait cycle phase and a motion mode according to the signal acquired by the detection unit, and controlling the clutch device to switch the coupling state of the knee joint assembly and the rotary damper according to a preset control rule. And the exoskeleton device can intelligently control the clutch device to dynamically adjust the damping state of the knee joint.

The invention relates to a tractor chassis gear shifting valve group which comprises a proportional pressure reducing valve, an electromagnetic clutch valve, a logic valve, an overload valve and a logic valve pressure regulating valve. The logic valve is arranged in a main oil way of the hydraulic system and used for controlling system pressure. The logic valve pressure regulating valve is connected with the logic valve and is used for regulating the working pressure of the logic valve; the proportional pressure reducing valve is arranged on the main oil way and used for controlling the opening and closing states of the gear shifting clutch. The electromagnetic clutch valve is arranged in the main oil way and is used for performing clutch control on the gear shifting system; the overload valve is connected to the lubrication heat dissipation oil way and used for conducting pressure protection on the lubrication heat dissipation system. The stability of pressure and flow change can be improved, and the reliability of the power shifting valve group of the tractor is improved.

The invention discloses a distributed clutch control method for a dual-unit wave energy array. The distributed clutch control method comprises the following steps: carrying out numerical modeling and hydrodynamic analysis on a dual-unit wave energy array model; establishing a time domain motion equation of the dual-unit wave energy array; establishing a state-space equation of the dual-unit wave energy array, replacing a convolution term of the time domain motion equation with the state-space equation, and calculating to obtain a motion state of the dual-unit wave energy array; distributed clutch control is implemented on the dual-unit wave energy array to maximize extraction of energy in waves. According to the method, the overall calculation efficiency of the system is remarkably improved by coordinating operation of the distributed controllers associated with each other, and compared with a traditional single-controller architecture, the method not only optimizes allocation of calculation resources, but also effectively improves the overall energy absorption efficiency of the dual-unit wave energy array, and the energy utilization rate of the dual-unit wave energy array is improved. And higher energy utilization rate and system response flexibility are shown.

The present invention provides a clutch transmission device for a gravity energy storage trolley based on automatic centrifugal force control. The transmission device includes a drive motor, a travel system, a device housing, a reduction transmission system, a clutch sleeve, a centrifugal weight system and a centrifugal weight transmission group. The clutch sleeve is movably sleeved outside the travel wheel shaft. The drive motor is respectively connected to the clutch sleeve and the centrifugal weight system through the reduction transmission system and the centrifugal weight transmission group. An inner gear ring is provided on the inner wall of the clutch sleeve, and a clutch spline matching the inner gear ring is provided on the travel wheel shaft. The centrifugal weight system is linked to the clutch sleeve and drives the clutch sleeve to slide, so that the inner gear ring engages with the clutch spline, thereby driving the travel wheel shaft and the travel wheel to rotate. The present invention uses a single drive motor to achieve transmission control and clutch control. The response speed is strongly correlated with the rotational speed, adapting to the lightweight and low-cost working conditions of the trolley, and can well meet the application characteristics of the slope-type gravity energy storage solution.

The utility model provides a clutch control mechanism of a riding type mini-tiller. The clutch control mechanism of the riding type mini-tiller solves the problem that an existing clutch control mechanism of the riding type mini-tiller is prone to causing abrasion of a clutch disc in a clutch. One end of the pedal rod is rotatably arranged on the mini-tiller through a rotating shaft, one end of the rotating plate is fixedly connected with a shifting fork shaft, the operating handle is arranged on the mini-tiller, the operating handle is connected with the rotating plate through a traction inhaul cable, the traction inhaul cable can drive the rotating plate to swing around the shifting fork shaft when the operating handle is closed, and a pedal plate is arranged on the pedal rod. The foot rest lever is connected with the rotating plate through a flexible connecting structure, and the flexible connecting structure can drive the rotating plate to swing around the shifting fork shaft when the foot rest is treaded. And the intense movement of the foot rest lever / operating handle can be flexibly transmitted to the rotating plate, so that the abrasion of the clutch disc is avoided, and the service life is effectively prolonged.

The invention provides a clutch control method and system, a vehicle and a medium, and belongs to the technical field of vehicle transmission control, and the method comprises the steps that a position deviation value sequence of a clutch is obtained, and the position deviation value sequence comprises a plurality of position deviation values; the position deviation value is equal to the difference value between the target position and the actual position of the clutch; pID control parameters are determined according to the working state of the clutch; performing filtering processing on the position deviation value sequence based on a least square method to obtain a filtering differential term coefficient; obtaining a variable speed integral item coefficient according to the position deviation value sequence, the variable speed integral threshold range and the integral item coefficient; generating a control signal according to a proportional term coefficient, the filtering differential term coefficient and the variable speed integral term coefficient; and the control signal is output to a clutch executing mechanism, and closed-loop control over the position of the clutch is achieved. According to the method, overshoot is remarkably reduced, and the robustness of clutch control is improved.

The utility model discloses a self-locking and unlocking structure of a worm and gear speed reducer. The self-locking and unlocking structure comprises a power on-off control module, a positioning and limiting module, a protection buffering module and a clutch control module. According to the utility model, the device can be ensured not to be easily opened by external force when needing to be kept closed, so that accidents are effectively prevented; a self-locking and unlocking function is added, the device can be unlocked in time when needed, mechanical damage caused by long-time locking of the device is reduced, the overall durability and reliability of the device are improved, the functionality and the integration degree of the device are remarkably improved through the modular design, all the modules perform their own functions and work cooperatively, and the device is convenient to use. The power transmission and cut-off process is optimized, the performance of positioning, limiting, protection and clutch control is greatly enhanced, a solid foundation is laid for stable and reliable operation of the worm and gear speed reducer under various complex working conditions, and the limitation of traditional single-function design is comprehensively exceeded.

The application discloses a kind of electrical equipment performance comprehensive test device, including comprehensive test box and walking base, the top of the walking base is fixedly connected with support, the top of the support is rotatably connected with suspension frame, and the rotating axis of the suspension frame and comprehensive test box is horizontal.The application is provided with support, suspension frame, top protection trigger frame and side protection trigger frame, wherein the comprehensive test box is hung at the free end of the suspension frame, the top of the support is rotatably connected with the suspension frame, the side protection trigger frame is arranged on the two sides of the comprehensive test box, and the top protection trigger frame is arranged on the top, then the clutch control group and the winding buffer are arranged on the support, when the left and right sides or the top of the comprehensive test box is impacted, the suspension frame will swing down to drive the comprehensive test box to buffer subsidence, away from the impact area, the setting has impact displacement self-protection function, which greatly improves the self-protection performance of the comprehensive test box.

The invention relates to the field of waste copper recovery, in particular to a remelting recovery device for waste copper production, a melting furnace and a refining furnace are communicated through a transfer box, an opening and closing valve plate is arranged on one side of the interior of the melting furnace, lifting opening and closing of the opening and closing valve plate are achieved through a lifting rope mechanism, and the opening and closing valve plate controls the circulation state of molten liquid in the transfer box. The smelting furnace and the refining furnace are connected through the transfer box, the traditional transfer ladle transfer process is abandoned, it is ensured that molten liquid is at the optimal working temperature, a pipeline circulating treatment system is arranged in the refining furnace, impurity oxidation is promoted through local oxygen blowing, and the reaction efficiency is improved in cooperation with mechanical stirring; impurities can be synchronously collected in the stirring process to avoid impurity accumulation, clutch control switching of the spiral conveying mechanism is achieved through cooperation of the control cabin and the electromagnetic assembly, efficient separation and discharging of the oxidized impurities are achieved, production of the oxidized impurities is effectively promoted in the whole circulation process, the rapid impurity recycling function is achieved, and the refining efficiency is effectively guaranteed.

A pneumatic clutch control device of a railway vehicle comprises an air supply pipeline and a two-position three-way electromagnetic valve. The air supply pipeline is communicated between a main air reservoir of the railway vehicle air compression system and an air inlet of the pneumatic clutch; two ports of the two-position three-way electromagnetic valve are communicated with the air supply pipeline, and the other port of the two-position three-way electromagnetic valve is introduced into external atmosphere; a pressure switch I is arranged on the air supply pipeline between the two-position three-way electromagnetic valve and the pneumatic clutch; the set value of the pressure switch I is greater than the minimum value of the normal working pressure of the pneumatic clutch; a non-backpressure one-way valve and a pressure stabilizing air cylinder are sequentially arranged on the air supply pipeline between the main air cylinder and the two-position three-way electromagnetic valve; the pressure stabilizing air cylinder is provided with a second pressure switch, and the set value of the second pressure switch is larger than the maximum value of normal working pressure of the pneumatic clutch. And the controller can receive signals of the first pressure switch and the second pressure switch so as to control the two-position three-way electromagnetic valve. The boosting time of the clutch air cavity is shortened, friction plate loss in the boosting process is reduced, and the pressure is more stable when the pneumatic clutch works.

The utility model relates to the technical field of clutches, and discloses a clutch which comprises a driving wheel, a driven wheel and a clutch wheel carrier. A clutch control table is arranged on the driving wheel, a guide inclined plane and a limiting groove are arranged on the clutch control table, and a magnetic attraction block is arranged on the guide inclined plane; the clutch wheel frame comprises a shaft sleeve and a limiting column, the limiting column penetrates through the limiting groove to be opposite to the guide inclined face, a magnetic attraction piece is arranged on the limiting column, the magnetic attraction piece can be attracted by the magnetic attraction block to move in the radial direction, the limiting column is arranged in a clutch rotating cavity of the driven wheel, and a gap is formed between the inner wall of the clutch rotating cavity and the outer wall of the limiting column. The clutch rotating cavity is provided with a protruding part, the width of the magnetic attraction piece is larger than the minimum distance from the protruding part to the guiding inclined face, and the width of the magnetic attraction piece is smaller than the maximum distance from the protruding part to the guiding inclined face. When the device is applied to a motor control assembly, mutual non-interference between automatic operation and manual operation can be realized.

The present invention relates to the field of coiled tubing drilling control equipment, specifically disclosing a dynamic drilling mode switching device for coiled tubing drilling. The device comprises a first screw motor, one end of the first screw motor's rotor connected to the coiled tubing and the other end connected to one end of a clutch. The other end is equipped with a detection element for monitoring the rotational position of the coiled tubing. An automatic on / off switch is connected to the first screw motor's fluid inlet channel, controlling the closing or opening of the channel. The other end of the clutch is connected to an electrically controlled directional control via an input shaft, and the other end of the clutch is controlled by the drive closing end of the automatic on / off switch. The electrically controlled directional control adjusts the rotational angle of the input shaft, and the clutch controls the connection and disconnection of the torque transmitted from the input shaft to the rotor of the first screw motor. This device can address the problem of stable switching between directional and reversing drilling in coiled tubing drilling.

The invention provides an electromagnetic valve control method and device and a vehicle clutch control system, and belongs to the technical field of vehicle clutch control. The method comprises the steps that the target position, the actual position and the target position change rate of a clutch are obtained; based on the position deviation, the actual position, the target position change rate and a preset control strategy, at least two electromagnetic valves with different hole diameters are controlled to execute a first combination action so as to drive a clutch to execute combination or separation operation; the position deviation is equal to the difference value between the actual position and the target position; when it is determined that the position of the clutch is overshoot according to the position deviation, the maximum overshoot amount in the current overshoot event is obtained; determining a second combined action according to the threshold range of the maximum overshoot; and controlling at least two electromagnetic valves with different apertures to execute a second combined action. Overshoot is effectively relieved, and the clutch control precision is improved.

An electrified powertrain and method that generates and transfers drive torque to a driveline of an electrified vehicle is provided. The electrified powertrain includes an electric drive module (EDM) and a controller. The EDM includes an electric motor having an output, a transmission that is driven by the output of the electric motor, and a clutch that moves between (i) a closed position; (ii) an open position; and (iii) a plurality of slip positions between the closed and open positions. The controller controls the clutch based on operating conditions. The controller: commands a steady state clutch operation and electric motor torque based on a position of an accelerator pedal; determines whether an output torque of the electric motor is at a limit; and commands a simulated shift that modifies a position of the clutch based on a determination that the electric motor is at the limit.

The utility model provides a power-assisted integrated device control system, which relates to the technical field of new energy passenger cars and comprises a power steering pump, a brake power-assisted air pump, a high-low pressure double-source controller, a double-source motor, an electromagnetic clutch, a control interface module and a sensor. The power steering pump is connected with the double-source motor, and the double-source motor is connected with a crankshaft of the power brake air pump through the electromagnetic clutch. The high-low voltage double-source controller is electrically connected with the vehicle control unit through the CAN bus module, and the high-low voltage double-source controller is used for receiving an upper control signal and controlling the double-source motor to work according to the upper control signal; according to the power-assisted steering and braking device, a power-assisted steering device and a braking device are integrated, so that the whole vehicle is light in weight, meanwhile, the automatic control and adjustment functions are achieved, and the purposes of reasonably using energy, saving energy and reducing emission are achieved.

The application discloses an engine cold start system and method based on AMT clutch control and belongs to the technical field of vehicle control systems. The system comprises an engine assembly, an engine electronic control unit ECU, an AMT automatic transmission assembly, an automatic transmission electronic control unit TCU, a clutch assembly and a cold start signal input assembly; the output end of the engine assembly is in transmission connection with the clutch assembly, and the clutch assembly is in transmission connection with the input shaft of the AMT automatic transmission assembly; the engine electronic control unit ECU is electrically connected with the engine assembly and the cold start signal input assembly respectively, and the automatic transmission electronic control unit TCU is electrically connected with the AMT automatic transmission assembly and the clutch assembly respectively; the engine electronic control unit ECU and the automatic transmission electronic control unit TCU exchange messages through the vehicle CAN bus to control the separation of the clutch assembly, reduce the flywheel end load of the engine and realize engine cold start control.

The present invention proposes a hybrid clutch control method and control system. The method operates on a vehicle controller and includes: obtaining parameters that affect the execution state of the hybrid clutch, including the current power battery pack charge, the current clutch state, the engine torque requirement, the engine speed, and the motor speed; setting a threshold value corresponding to each parameter, and determining the clutch execution state through multi-level judgment of the relationship between each parameter and the corresponding threshold value. Based on this method, a hybrid clutch control system is also proposed. The present invention designs a multi-stage partial clutch closure state when the clutch is connected, effectively improving the smoothness of the clutch connection. When the current power battery pack charge is less than a certain value, the system maintains the clutch closed state, which can effectively reduce the number of clutch on and off cycles and increase the service life of the clutch; the design of a multi-stage partial clutch closure state when the clutch is connected effectively improves the smoothness of the clutch connection.

The utility model discloses a miniature intelligent lock clutch mechanism which comprises a fixed base, a movable support, a round handle, a lock cylinder sleeve and a locking assembly, an installation hole is formed in the center of the fixed base, an annular sliding groove is formed in the middle of the fixed base and on the outer side of a lock sleeve hole, the lock sleeve hole is formed in the center of the movable support, the lock cylinder sleeve is inserted into the lock sleeve hole, and the locking assembly is arranged on the round handle. The lower portion of the movable support is fixedly provided with a circular-ring-shaped protruding part, the circular-ring-shaped protruding part is inserted into the circular-ring-shaped sliding groove, the outer edge of the fixed base is sleeved with the circular handle, the circular handle can rotate relative to the fixed base, and the circular handle is connected with the movable support through a fastening screw. According to the miniature intelligent lock clutch mechanism, clutch control over an intelligent lock is achieved, a traditional clutch control thought is broken through, the whole structure is simple and easy to achieve, the manufacturing cost and the fault occurrence rate are reduced, the size of the intelligent lock is reduced on the whole, and the miniature intelligent lock clutch mechanism has a great promoting effect on achieving miniaturization of the intelligent lock.

The utility model discloses a hydraulic clutch control mechanism and a motorcycle, and the hydraulic clutch control mechanism comprises an upper pump, a lower pump, an upper clutch, a lower clutch and a lower clutch, the first end of the upper pump piston is arranged in the cavity, and the second end of the upper pump piston is arranged outside the upper pump; and the handle is rotatably arranged on the upper pump, a receding sinking table is arranged on the handle, and a boss connected with the second end of the piston of the upper pump in a clamped mode is arranged on the receding sinking table. According to the hydraulic clutch control mechanism and the motorcycle, the receding sinking table and the boss are arranged on the handle, the handle, the receding sinking table and the boss drive the upper pump piston to move, the operation mode that a spiral spring pushes the upper pump piston is replaced, and when the upper pump is filled with brake fluid, the upper pump returns through inertia force of a clutch spring and an oil duct; the initial force value and the overall force value can be reduced, and the riding quality and commodity are improved.

Provided is a lock-up clutch control device that suppresses vibration caused by a clearance collision in a drive transmission system by improving hydraulic pressure control of a lock-up clutch when a driving load (road load) is large although an accelerator pedal is in a slow-down state, and the driving load (road load) is not large even if the accelerator pedal is in a slow-down state. The accelerator pedal is further depressed from a state in which the vehicle is decelerated (further depressed). In this lock-up clutch control device, when an accelerator pedal is depressed slowly and a vehicle is traveling at a reduced speed, the hydraulic pressure of a lock-up clutch is lower than the hydraulic pressure when normal lock-up clutch control is performed. As a result, it is possible to suppress vibrations caused by a clearance collision in the drive transmission system when the accelerator pedal is further depressed thereafter.

The invention relates to a force control clutch device and a seat suspension frame, and the force control clutch device comprises a mounting frame which is used for being connected with the bottom of a seat body; the weighing sensor comprises a strain block connecting column; the base frame is used for bearing the weighing sensor; the connecting piece comprises a connecting part and limiting parts, the limiting parts are located at the two ends of the connecting part, and the mounting frame, the weighing sensor and the base frame are connected through the connecting piece; the clutch control part comprises a driving part and a piston rod, the driving part is located at the top end of the piston rod, the piston rod is connected with the strain block connecting column, and the driving part is used for driving the piston rod to ascend or descend so as to control the working state of the weighing sensor. The working state of the weighing sensor can be flexibly controlled, the weighing sensor is prevented from being affected by high-frequency vibration, the service life of the weighing sensor is prolonged, and the damping effect of the seat suspension is improved.