825 results about "Clutch control" patented technology

An injection mechanism (1) capable of adjusting injection dose, and an injection syringe. In the injection mechanism (1), an injection push rod (80), and an injection dose adjustment assembly (1a) and a clutch control assembly (1b), which are connected to the injection push rod (80), are mounted in a housing (10); and in the injection dose adjustment assembly (1a), a tube (20) can be rotated by means of a dose adjustment knob (30) to drive a driving ring (50), such that an elastic assembly (40) generates an elastic force to drive the injection push rod (80).

The invention relates to the technical field of forklifts, in particular to a wheel edge driving system driven by a hydraulic motor and a forklift. The wheel edge driving system driven by the hydraulic motor comprises a clutch assembly, an input connecting shaft and a speed reduction adjusting assembly. Efficient power transmission can be achieved, large torque can be effectively borne, rapid power switching and control can be achieved, the requirements under different working conditions are met, the controllability and flexibility of a vehicle are improved, in addition, the flow rate of cooling lubricating oil in the rotating output hole, the hollow conical cavity, the speed reduction cavity and the clutch control cavity can be increased, and the service life of the vehicle is prolonged. Therefore, the cooling efficiency is improved, the cooling liquid can be evenly distributed in the equipment, the local overheating phenomenon is avoided, effective heat dissipation is achieved, performance reduction or faults caused by too high temperature in long-time operation of the equipment are prevented, and the reliability of the equipment is improved.

The invention discloses a hybrid crawler tractor for hills and mountains and a control method. The hybrid crawler tractor comprises a power system, a transmission system, an energy storage system, a driving system and a control system, the power system comprises an engine, a generator and a clutch; the transmission system comprises a mechanical coupling device, a gearbox, a power output shaft and the like; the energy storage system comprises a photovoltaic power generation panel and an energy storage device; the driving system comprises a driving system input shaft, left and right traction motors, left and right planet rows, driving wheels and the like; the control system comprises a whole vehicle controller, an energy storage device controller, a motor controller, an engine controller, a vehicle information sensor, a clutch control unit, a brake control unit and the like. According to the crawler tractor, a double-engine and motor mixed connection double-power flow structure is adopted, operation and running under various complex working conditions in hills and mountains are met, rich solar resources in the region are fully utilized, the advantages of a traditional crawler tractor and a new energy tractor are considered, and long-time operation in busy farming seasons is guaranteed.

The invention relates to a clutch control method and device and computer equipment. The method comprises the following steps: acquiring operation parameter information and environment information of a vehicle; under the condition that the operation parameter information meets a preset condition, the current position and the actual temperature of a clutch of the vehicle are obtained, and the actual transmission torque of the clutch is obtained according to the operation parameter information and the environment information; according to the current position, the actual temperature and the actual transmission torque, a first characteristic association library of the clutch is updated; and controlling the clutch according to the operation parameter information and the updated first characteristic association library. By means of the method, the clutch can move to the correct position in the driving process.

The embodiment of the invention provides an electric control clutch semi-combination point position self-learning method and device, and relates to the technical field of clutch control, and the method comprises the steps: controlling a motor to carry out zero position self-learning, and recording a mechanical zero position; determining that the vehicle meets a first vehicle state condition, and performing clutch semi-joint point self-learning; a semi-combination point position obtained through self-learning is stored in a memory, and current odometer data is recorded; determining whether the clutch is completely run-in; through self-learning, change of a clutch semi-joint point caused by long-time work of the clutch and semi-joint point deviation caused by manufacturing and assembling differences of the clutch are corrected, and torque transmission capacity reduction caused by fast change of the semi-joint point when running-in of the clutch in the initial life cycle is not complete is prevented. Therefore, the torque transmission accuracy of the clutch is ensured.

The utility model belongs to the technical field of hybrid power assemblies, and particularly relates to a pressure-controllable hybrid power gearbox hydraulic control system which comprises a lubrication cooling subsystem and an oil supply subsystem, and further comprises a main oil pressure adjusting subsystem and a clutch control subsystem, and the oil supply subsystem comprises a first mechanical pump, a second mechanical pump, a suction filter and an oil tank. The first mechanical pump is connected with the suction filter which is connected with the oil tank; the lubrication cooling subsystem comprises an oil cooler and a filter, the first mechanical pump is connected with the oil cooler and the filter through oil ways, the filter is connected with an LUB oil way, and the oil cooler is connected with an EM1 oil way, an EM2 oil way and a C1 oil way; according to the clutch control sliding valve element, the feedback oil way is arranged at the spring end, so that spring force, feedback pressure and pilot hydraulic pressure form dynamic balance, smooth curve linear control over clutch pressure can be achieved, and control smoothness is improved.

The invention relates to the technical field of soil sampling, in particular to a sediment sampler for ocean survey. The bottom end of the sampling tube is a sampling opening, and grips are arranged on two sides of the top end of the sampling tube; a plugging mechanism is rotationally arranged at the bottom end of the sampling tube, and an impacted part is arranged at the top end; the plugging mechanism is used for plugging the sampling opening in a rotating manner; the hit part comprises a top plate fixed at the top end of the sampling pipe and a sliding rod located above the top plate, and a transmission part is arranged between the sliding rod and the plugging mechanism. According to the sediment sampler for ocean survey, the downward moving depth of the sampling pipe is sensed through the clutch control assembly, so that after the sampling pipe moves downwards to the designated depth, the clutch control assembly changes the non-sliding connection state between the hit plate and the top plate into the sliding connection state through the counter-acting force of the ground; the force of knocking the hit plate by the worker next time is transmitted to the blocking mechanism, so that the sampling opening is blocked by the blocking mechanism by virtue of the knocking force.

The invention discloses a compact-structure transmission which comprises a gearbox body, a torque converter is mounted on the outer side of the gearbox body, a turbine shaft of the torque converter is connected with a clutch shaft on the gearbox body, and the clutch shaft, a first idler shaft, a second idler shaft, a front axle gear shifting output shaft and a rear axle output shaft are arranged in the gearbox body; the clutch shaft is movably connected with a first gear and a second gear through bearings, a third gear and a fourth gear are fixed or formed on the first idler shaft, and a fifth gear, a sixth gear, a seventh gear and an eighth gear are fixed or formed on the second idler shaft. The front axle gear shifting output shaft is movably connected with a ninth gear, a tenth gear, an eleventh gear and a twelfth gear; a manual control mechanical gear shifting structure and a wet clutch control reversing structure are adopted, multi-gear advancing and retreating are achieved, the size is small, and occupied space is small.

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 discloses a double-drive switching shutter awning which comprises a frame body, a shutter assembly, a driving mechanism and a driving mechanism, wherein the shutter assembly is installed on the frame body; the electric driving module comprises a first electromagnetic clutch which is connected to one rotating shaft of the shutter assembly and is used for driving the shutter assembly to rotate; the manual driving module comprises a second electromagnetic clutch which is connected to one rotating shaft of the shutter assembly and is used for driving the shutter assembly to rotate; the change-over switch is connected with the first electromagnetic clutch and the second electromagnetic clutch through the switching circuit and controls the first electromagnetic clutch and the second electromagnetic clutch to be powered on or powered off, when the first electromagnetic clutch is powered on, the second electromagnetic clutch is powered off, and when the second electromagnetic clutch is powered on, the first electromagnetic clutch is powered off. When the shutter assembly is driven by the electric driving module or the manual driving module to rotate, the electromagnetic coil bearing seats of the first electromagnetic clutch and the second electromagnetic clutch can synchronously rotate, do not interfere with each other and complement each other.

The invention provides a hydraulic control system and control method of a hybrid transmission, and relates to the technical field of hybrid transmissions, comprising: an oil supply subsystem comprising a first electric pump and a second electric pump; the clutch control subsystem is connected with the first electric pump; the cooling and lubricating subsystem is used for clutch cooling control, motor cooling control and shaft tooth string cooling control; the oil supplementing subsystem is connected with the second electric pump, the clutch control subsystem and the cooling and lubricating subsystem and used for controlling the second electric pump to supply oil to the cooling and lubricating subsystem in the first working state; and in the second working state, the first electric pump and the second electric pump are controlled to supply oil to the clutch control subsystem at the same time, so that the clutch combination time is shortened. Under special working conditions, especially when quick response is needed in a low-temperature environment, a system can quickly adjust the working state of the clutch, the combination time of the clutch is shortened, and the response speed of the system is increased.

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 relates to a clutch control system, and belongs to the technical field of whole automobile transmission systems. Comprising a clutch booster, and a push rod is arranged on the clutch booster and used for being connected with a clutch assembly; the hydraulic pneumatic system is used for being connected with an air source, and the hydraulic pneumatic system is connected with an air inlet of the clutch booster and an oil inlet of the clutch booster; one end of the gas circuit switching device is connected with the hydraulic pneumatic system, the other end of the gas circuit switching device is connected with a pneumatic control system, and the pneumatic control system is connected with the clutch booster and used for controlling displacement of a push rod of the clutch booster; the exhaust system is connected with an exhaust port of the clutch booster; the displacement sensor is connected to the clutch booster and used for judging the displacement stroke of the push rod; and the controller is respectively connected with the gas path switching device and the exhaust system. The clutch can be controlled in a cab and can also be remotely controlled under a vehicle so as to adapt to different application scenes.

The invention belongs to the technical field of laundry equipment, and discloses a speed reduction clutch device of a dual-power washing machine, the washing machine and a control method. The brake wheel can rotate in two directions and is fixedly connected with an input shaft sleeve arranged on the input shaft in a sleeving manner; the clutch sleeve is arranged on the input shaft sleeve in a sleeving mode, can slide in the axial direction of the input shaft sleeve in a reciprocating mode and is meshed with or separated from the input shaft gear; the impeller shaft is sleeved with the dewatering shaft; the gear mechanism is arranged in the brake wheel and is in transmission connection with the input shaft, the impeller shaft and the dewatering shaft respectively; the brake wheel and the dewatering shaft can rotate relatively; the speed reduction clutch device further comprises a locking mechanism, a matching structure is arranged on the brake wheel, and the locking mechanism is matched with the matching structure in a limiting mode to lock the brake wheel. Clutch control and brake control of the speed reduction clutch device are mutually independent, and conversion of washing and dewatering working conditions is more stable and reliable.

The invention relates to the technical field of underwater bionic robots, and discloses an underwater bionic robot which comprises a supporting bottom plate, supporting stand columns are arranged at the four corners of the top of the supporting bottom plate, and a supporting top seat is jointly supported by the tops of the four sets of supporting stand columns; supporting mechanisms are arranged between the two sides of the supporting top base and the outer sides of the two adjacent sets of supporting stand columns. According to the underwater bionic robot, the lifting stand column moves up and down, then the soft bottom plate and the supporting disc are driven to move downwards, the soft bottom plate expands and moves towards the outer side of the supporting disc, and therefore the supporting range of the bottom of the supporting disc is widened, and the supporting disc and the soft bottom plate form a supporting state for the whole supporting bottom plate; and a clutch control unit is matched to independently control a transverse threaded rod, so that the vertical displacement distance of a single set of lifting stand columns is independently controlled, the problem that sludge at the bottoms of different water bodies is uneven is solved, and then the adaptability of the device is improved.

The invention provides a hydraulic system and a control method thereof, and relates to the field of hybrid power transmissions.The hydraulic system comprises an oil supply subsystem used for outputting hydraulic oil; the clutch control subsystem is connected with the oil supply subsystem and used for clutch combination control; the cooling subsystem is connected with the oil supply subsystem and is used for performing clutch cooling control and driving motor cooling control; the one-way oil way is connected with the clutch control subsystem and the cooling subsystem and used for transmitting hydraulic oil of the clutch control subsystem to the cooling subsystem when the clutch is not combined. On the premise that a basic transmission hydraulic system is not changed, the clutch control function, the clutch cooling function and the driving motor cooling function are achieved, cost is low, and the generalization degree is high.

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 provides a method and a device for determining a joint point of a hydraulic clutch, a vehicle, equipment and a medium, and relates to the technical field of clutch control. The preset change trend is used for representing a corresponding pressure value change trend when the pressure value is transited from a relatively stable rising rate state to a continuously increasing rising rate state in the oil filling process, so that an inflection point for converting the pressure value from stable rising to rapid pressurization in the whole oil filling and pressure building process is determined; the inflection point can be regarded as a point where pressure in a hydraulic loop tends to rise rapidly under the influence of resistance of the driving end of the hydraulic clutch when the hydraulic clutch is combined, and a pressure value corresponding to the point can be regarded as a pressure value of a clutch combination point. Through the mode, high-voltage equipment such as a motor / an engine does not need to be started, operation can be carried out in a low-voltage state, influence factors are reduced, and the stability and accuracy of self-learning are guaranteed.

The embodiment of the invention relates to a special method or equipment for well drilling, in particular to an integrated control device for a drilling machine. The device comprises a workbench, a motor, a main clutch control module, a gearbox control module, a winch control module, a power head control module, a parameter display screen module, a winch, a lifting oil cylinder, a brake oil cylinder, an emergency brake oil cylinder, a power head clutch, an arc gear box, a feeding oil cylinder, a transmission shaft assembly and a power head chuck. According to the control device, the main clutch control module, the gearbox control module, the winch control module, the power head control module, the parameter display screen module and other function control modules of the drilling machine are integrated on the workbench, and centralized operation of the drilling machine can be achieved.

The invention discloses a distribution valve for a transmission of a high-horsepower tractor. Comprising a valve body, an oil inlet, an oil return port, a clutch oil port, a working gear oil port, a clutch control slide valve, a clutch oil port and a brake oil port, wherein the oil inlet, the oil return port, the clutch oil port and the working gear oil port are formed in the valve body; the first overflow valve is used for controlling the pressure of the brake oil port, the second overflow valve is used for controlling the pressure of the working gear oil port, and the three-position three-way adjusting slide valve is further included. And the three-position three-way adjusting slide valve is provided with a working oil port, a slide valve oil return port, a slide valve oil inlet and a hydraulic control port which is communicated with the oil inlet and is connected with the slide valve oil inlet in parallel. The device has the characteristics that the oil pressure is accurately controlled, the oil is quickly conveyed, the oil is instantly conveyed to lubricate, cool and protect the device parts, the maintenance cost is reduced, and the normal, stable and efficient work of the tractor is ensured.

The invention relates to an AMT (Automated Mechanical Transmission), in particular to an AMT system and a control method thereof, which are used for solving the problems that the existing AMT system has certain defects in the aspects of clutch control, accurate control in a gear shifting process, stability of a self-locking device and comprehensive application of a sensor, so that the gear shifting precision, the response speed and the stability are insufficient. According to the AMT system, the integrated gear selecting and shifting executing mechanism is adopted, and compared with an externally-hung control system, the integrated gear selecting and shifting executing mechanism can improve the gear taking-off and gear shifting response speed of the system, reduce electric control wire harnesses and gas circuit arrangement and greatly reduce the system failure rate.

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 relates to an HMCVT tractor reversing control method. The method comprises the steps that current operation parameters are read through a TCU; judging a commutation signal type according to the current operation parameter; and performing multi-control-stage control on clutch control pressure and electromagnetic valve current corresponding to the reversing signal type to complete reversing control. The precision and stability of reversing control can be improved, and the stability and reliability of a transmission system are enhanced.