132results about How to "Action response is fast" patented technology

The invention relates to the technical field of electric cars, in particular to an integrated water-cooled power battery box. The integrated water-cooled power battery box provided by the invention comprises a box cover, a box body and a temperature regulating power system, wherein the box body is made of an aluminum alloy material and is manufactured by an extrusion moulding technology; a circulating flow passage is formed in the wall of the box body; a circulating loop for a temperature regulating medium to flow circularly is arranged inside the wall of the box body; and the temperature regulating power system can drive the temperature regulating medium to circularly flow in the circulating loop. In such a way, a water cooling board and a battery box are designed in an integrated manner,a hollow aluminum alloy section is adopted to achieve lightweight design, mechanical properties such as strength and rigidity are met, the integrated water-cooled power battery box is simpler in structure, better in technical performance and smaller in occupied space, and the comprehensive cost can be reduced; the heat-dissipating, cooling and temperature-raising and heating functions can be achieved by using one set of temperature regulating power system, the integrated water-cooled power battery box is simpler in structure, more convenient and fast to use and smaller in occupied space, themanufacturing cost and the using cost can be reduced, and the heat-dissipating efficiency and the heating efficiency can be improved.

The invention relates to a working handpiece of a numerical control wire bending machine, which comprises the working handpiece of the numerical control wire bending machine. Two die heads in the die-changing and die head steering lifting position-hiding mechanism in the numerical control wire bending machine are connected with two spline shafts without relative displacement; the bottom parts of the spline shafts are contacted with the lower end of a pressure spring; the upper end of the pressure spring is contacted with the inner step of a main shaft and drives the spline shafts to move downwards; a swing arm of the position changing and swinging mechanism of the bending die head in the numerical control wire bending machine is connected with a wire bending power driving device without relative displacement; one end of a connecting rod is moveably connected with the swing arm, while the other end is moveably connected with the swing arm; the swing arm is connected with a rotating shaft of a numerical angle graduator without relative displacement; a driving device takes a worm-gear case as a main body; a worm is supported by a bearing without axial displacement, and at the same time drives two worm gears which are connected with the main shaft without relative displacement; splines are arranged in the main shaft; the spline shafts are connected with the splines in the main shaft; the main shaft and the worm-gear case are supported by the bearing without axial displacement; and two bending die heads are connected with the two spline shafts respectively without relative displacement.

The invention provides an RFID technology based concrete quality monitoring system and a working method thereof. The system comprises a production information monitoring unit, a supplier inputting unit, a constructor detecting unit and a central monitor control unit. The working method comprises the following steps: electronic tag initialization, production information monitoring and early warning, supplier information inputting, constructor detecting, etc. The invention can track and manage the whole process of concrete, including production, vehicle transport, unloading detection, construction site detection, maintenance and the like, and efficiently monitor the concrete quality.

The invention relates to the residual soil comprehensive supervision technology, provides an engineering residual soil intelligent comprehensive supervision system based on the RFID (radio frequency identification) technology and a working method of the system, wherein the system is composed of three parts, namely a supervision and management unit, a residual soil site unit and a residual soil stacking field unit. The engineering residual soil intelligent comprehensive supervision system based on the RFID technology and the working method of the system have the advantages that the residual soil site, residual soil transportation and residual soil stacking and the like can be tracked and managed intelligently in a whole course, the actual dynamic of residual soil treatment can be grasped, the system and the method are energy-saving and environmentally friendly, and the residual soil management efficiency is improved.

The invention provides a bionic mechanical arm and a robot and belongs to the field of artificial intelligence. The bionic mechanical arm comprises a palm assembly. The palm assembly comprises a middle finger assembly which is fixedly connected with the palm assembly. The middle finger assembly comprises a first middle finger connecting rod, a first middle finger section, a second middle finger section and a third middle finger section, wherein one end of the first middle finger section is fixedly connected with the palm assembly; and the first middle finger section, the second middle finger section and the third middle finger section are hinged in sequence. One end of the first middle finger connecting rod is fixedly connected to the first middle finger section, and the other end of the first middle finger connecting rod is fixedly connected to the third middle finger section. The robot comprises the bionic mechanical arm and a trunk. The bionic mechanical arm provided by the invention has the advantages of being light in structure, fast in action response and accurate in action control.

The invention discloses a lightweight four-degree-of-freedom leg mechanism of a four-foot bionic robot. The leg mechanism comprises a hip joint yawing assembly, a thigh yawing assembly and a shank yawing assembly, the hip joint yawing assembly comprises a hip joint swing cylinder and an electro-hydraulic actuator, one end of the electro-hydraulic actuator and one end of the thigh yawing assembly are hinged to the hip joint swing cylinder through connecting blocks respectively, the other end of the electro-hydraulic actuator is hinged to the side face of the thigh yawing assembly, and the otherend of the thigh yawing assembly is hinged to the shank yawing assembly. According to the four-degree-of-freedom leg mechanism of the four-foot bionic robot, through the integrated oil way design, light weight is achieved, the hip joint swing cylinder is driven and controlled by the hydraulic pump, the load resistance is high, the power-to-weight ratio is high, the electro-hydraulic actuator andthigh longitudinal swing general assembly is quick in action response, kinetic parameters are easy to accurately measure, and four-degree-of-freedom motion with three active degrees of freedom and onepassive degree of freedom can be achieved.

The invention relates to an automatic clamping machine of a denitration catalyst module, which is characterized in that a horizontal displacement cylinder is fixed on a frame strut of the clamping machine; a movable door-shaped frame is fixed on the horizontal displacement cylinder; the movable door-shaped frame is matched with a horizontal slide guide rod of a beam of the clamping machine in a slide mode; the bottom of the movable door-shaped frame is fixedly provided with a vertical lifting cylinder; a clamping support is fixed on a piston rod of the lifting cylinder; two clamping cylindersin the horizontal direction are arranged on the clamping support in a back-to-back mode; the piston rod of each clamping cylinder is fixedly provided with a vertical clamping plate; and an electromagnetic induction switch in the contraction position of the horizontal cylinder, an electromagnetic induction switch in the pushing-out position of the horizontal cylinder, an electromagnetic induction switch in the contraction position of the lifting cylinder, an electromagnetic induction switch in the pushing-out position of the lifting cylinder, an electromagnetic induction switch in the pushing-out position of the clamping cylinder and an electromagnetic induction switch in the contraction position of the clamping cylinder are respectively and electrically connected with a programmable logic controller (PLC) control tank of the clamping machine. The automatic clamping machine of the invention can adopt the PLC control and has the advantages of completely automatic displacement and high working efficiency.

The invention discloses a selective auxiliary lifting type storey height adjusting storage shelf and a control method thereof, and belongs to the technical field of shelves. The invention discloses anauxiliary lifting type storey height adjusting storage shelf and a control method thereof. Each layer of shelf is fixed on a rectangular frame through a layer height positioning mechanism; a shelf auxiliary lifting mechanism used for driving each shelf to do lifting motion is arranged on the rectangular frame; the combination and separation conversion of a storey height positioning mechanism anda rack on the rectangular frame is matched; a lifting driving mechanism and a lifting mechanism of the shelf auxiliary lifting mechanism are matched to drive corresponding shelf height adjustment, theheight adjustment and positioning supporting of each layer of shelf are achieved, one set of shelf auxiliary lifting mechanism can freely select each layer of shelf to conduct layer height adjustment, the structure is simpler and more compact, and the control is simpler and more convenient. Moreover, the shelves are stably supported on the rectangular frame, the bearing capacity is high, the flexible storage of goods at different heights is achieved, and good practicability is achieved.

The invention relates to the technical field of drawbenches, in particular to a drawbench hydraulic system. The drawbench hydraulic system comprises a rodless chamber and a rod chamber, wherein the rodless chamber comprises a second installation valve cover, a second directional valve cover, a first cartridge valve, a second cartridge valve, a second overflow valve cover, a second one-way valve cover, a fifth cartridge valve and a sixth cartridge valve, wherein the second installation valve cover is connected with the second directional valve cover, the first cartridge valve is connected with the second cartridge valve, and the fifth cartridge valve is connected with the sixth cartridge valve; and the rod chamber comprises a first directional valve cover, a first safety valve cover, a third cartridge valve, a fourth cartridge valve, a first one-way valve cover, a first overflow valve cover, a seventh cartridge valve and an eighth connection cartridge valve, wherein the first directional valve cover is connected with the first safety valve cover, the third cartridge valve is connected with the fourth cartridge valve, and the seventh cartridge valve is connected with the eighth connection cartridge valve. A pressure regulation system comprising the cartridge valves is applicable to a high flow rate hydraulic system, and the drawbench hydraulic system has the advantages of simple structure of cartridge valves, high flow capacity, fast action response, excellent sealability, no leakage and strong pollution resistance.

The invention relates to an ultrasonic field and magnetic field coupled rotary type barrel magnetorheological fluid damper. The ultrasonic field and magenetic field coupled rotary type barrel magnetorheological fluid damper is characterized in that rectangle piezoelectric ceramic piece is pasted to the outer circle of a barrel type stator, electrification is carried out for vibrational excitation for obtaining the stator B(0,n) vibration mode, and an ultrasonic field is applied to magnetorheological fluid in a shearing cavity. The damper magnetorheological fluid works in the barrel type shearing mode, and large and reliable retarding torque can be generated on a rotation inputting rotating shaft. Under the zero magnetic field working mode, the ultrasonic field is applied to the magnetorheological fluid, and influences of magnetorheological fluid zero field damping on the rotating shaft can be reduced; and under the non-zero-field working mode, different excitation signals are controlled, ultrasonic fields and magnetic fields with different strengths can be generated, and therefore the magnetorheological fluid damping is accurately regulated, and the rotating shaft rotating speed and any angle can be accurately controlled. The ultrasonic field and magnetic field coupled rotary type barrel magnetorheological fluid damper is simple and compact, high in action response, wide in damping adjusting scope and premise in damping adjusting.

Present invention relates to a electronic expansion valve suitable for frequency conversion air conditioner, commercial air conditioner, minitype central air conditioning, chilled food display case and constant temperature and humidity equipment etc, belonging to air conditioning and refrigerating technology field. It contains repeating motor, speed reducing gear, valve body, and shell. Said stepping motor drives underdriving gear set for transferring power, combined with corrugated pipe to make adjustments to valve needle lift range. The decelerating effect of Underdriving gear set increases output torque to obtain large enough output torque by using smaller electromagnetic force, to satisfy large caliber and novel refrigerant requirement.

The invention relates to the technical field of automobile braking and particularly discloses an electric power-assisted braking system used for an automobile. The electric power-assisted braking system comprises a braking force output hydraulic module, a braking force input mechanical module, an electric power-assisted input module and a control assembly. The electric power-assisted input module comprises a motor, a transmission module and a sensor. The braking force input mechanical module directly acts on the braking force output hydraulic module through a coupler. The motor is connected with the coupler through the transmission module. The control assembly is used for setting a control strategy and is in electrical signal connection with the motor and the sensor. According to the electric power-assisted braking system used for the automobile, the modular design is adopted, the braking response time is shortened, the braking reliability and the braking efficiency are improved, and the occupied space is reduced; the braking system is provided with a protection unit with redundant measures and has a driver pedal force braking way and a motor braking way, and a traditional operation mode by a driver is retained; and the control mode can be adjusted, man-machine interaction can be conducted, a plurality of driving styles are provided, and the electric power-assisted braking system can meet the braking requirements of automatic driving and can further be matched with a regenerative braking system to achieve braking together.

The invention relates to a working handpiece of a numerical control wire bending machine, which comprises the working handpiece of the numerical control wire bending machine. Two die heads in the die-changing and die head steering lifting position-hiding mechanism in the numerical control wire bending machine are connected with two spline shafts without relative displacement; the bottom parts of the spline shafts are contacted with the lower end of a pressure spring; the upper end of the pressure spring is contacted with the inner step of a main shaft and drives the spline shafts to move downwards; a swing arm of the position changing and swinging mechanism of the bending die head in the numerical control wire bending machine is connected with a wire bending power driving device without relative displacement; one end of a connecting rod is moveably connected with the swing arm, while the other end is moveably connected with the swing arm; the swing arm is connected with a rotating shaft of a numerical angle graduator without relative displacement; a driving device takes a worm-gear case as a main body; a worm is supported by a bearing without axial displacement, and at the same time drives two worm gears which are connected with the main shaft without relative displacement; splines are arranged in the main shaft; the spline shafts are connected with the splines in the main shaft; the main shaft and the worm-gear case are supported by the bearing without axial displacement; and two bending die heads are connected with the two spline shafts respectively without relative displacement.

The invention belongs to the technical field and provides an automatic platoon welding machine for an iron wire mesh. The automatic platoon welding machine comprises a rack, a feeding device, a platoon welding machine body and a conveying device. The feeding device comprises an iron wire storage bucket and iron wire placing control mechanisms, the iron wire storage bucket is arranged on the rack,and a strip-shaped hole for allowing iron wires to pass is formed in the lower portion of the iron wire storage bucket. The two iron wire placing control mechanisms are arranged on the left side and the right side of the iron wire storage bucket correspondingly and used for controlling the iron wires to penetrate through the strip-shaped hole. The platoon welding machine body is used for welding the iron wire into a mesh. The conveying device is arranged on the rack, a rotary mechanism is arranged on the conveying device, a welding body bracket is arranged above the rotary mechanism, and the rotary mechanism is used for driving the welding body bracket to rotate around the center. The conveying device is used for conveying the welding body bracket in the longitudinal direction. According to the technical scheme, the problems that in the prior art, the labor intensity of workers is high, production efficiency is low, and welding quality is low and unstable are solved.

The invention relates to a dual-redundancy valve device applied to a stratosphere aerostat. The dual-redundancy valve device is composed of an inner set of subsystem and an outer set of subsystem, namely, a main subsystem and an auxiliary subsystem, wherein the inner set of subsystem and the outer set of subsystem are symmetrical about a valve machine base. An inner valve cover corresponds to the main subsystem, and an outer valve cover corresponds to the auxiliary subsystem. The main structure of the dual-redundancy valve device comprises a dual-redundancy valve cover, transmission mechanisms and the valve machine base, and each valve cover corresponds to one set of transmission mechanism. Each transmission mechanism comprises a prime motor, a turbine, a worm and other main structures. All devices are installed on the valve machine base used for supporting all components and transmitting a load to a bag body. A feedback signal of a micro-switch can be used for feeding an in-place state of a valve back, and provide an outage basis. The opened angle of each valve cover is measured through rotation, and the measurement of the switching value is achieved. A pressure measuring air nozzle is used for measuring differential pressure of the bag body, and provides a basis for controlling. A hollow boss is arranged on the inner valve cover and can be cut down by a cutting device when failure happens, and reliability of the system is improved.

Die assembling, die locking and die disassembling actions of a die casting machine are basic functions for producing qualified casts. The conventional die casting machine adopts a hydraulic oil cylinder for pushing a toggle rod mechanism for performing the die assembling, die locking and die disassembling actions, the die locking force is difficult to regulate, and the toggle rod mechanism and an auxiliary crosshead guide mechanism are complex and bulky in structures and difficult to manufacture and mount. The invention provides a spiral type die assembling, die locking and die disassembling mechanism, and a hydraulic motor is adopted for driving a gear nut, thereby rotating a thrust screw rod for generating mobile feed motion and further pushing a movable die plate to realize fast die assembling and die locking; and the fast die disassembling can be realized when the hydraulic motor rotates in reverse direction. The mechanism can accurately figure out the die locking force. Simultaneously, an original regulating mechanism for regulating the distance between a rear plate and a fixed die plate is not required, the integral structure of the die casting machine is greatly simplified, and the control and the operation are simpler.

The invention provides a conveying belt type box-shaped glaze dipping device which comprises a pull rod and a bowl blank, wherein a low-speed motor drives a conveying belt I and a low-speed motor II to simultaneously move, a bowl blank containing mechanism articulated with the conveying belt I and the conveying belt II limits the position of the bowl blank within a certain region, the bowl blank is glazed when the bowl blank containing mechanism is dipped in a glaze pool positioned at the bottom of an integral support frame, then the conveying belt I and the conveying belt II can take the bowl blank containing mechanism out of the glaze pool, a position sensor detects the bowl blank containing mechanism when the bowl blank containing mechanism moves to the station A, an electromagnet attracts a slide block, the slide block drives the pull rod to open a bowl cover, and a worker takes out the bowl blank, so that the integral glazing process is completed. The conveying belt type box-shaped glaze dipping device disclosed by the invention can be used for an automatic glazing procedure of a domestic ceramic production process and overcomes such defects of certain glazing devices used in a plant at present as complicated driving mechanism, low glazing efficiency and glazing dead angle.

An electrically-controlled firework discharging box relates to the technical field of firework machinery. The firework discharging box is an important part of a firework maker, and fireworks are discharged one by one by the firework discharging box in the prior art in a way that a guide rail is driven by a serial of gear speed changing devices and cam devices and the guide rail drives a firework door to open or close. The firework discharging box in the prior art is complex in structure and high in cost, and opening and closing of the firework door of the firework discharging box are gradually, which easily causes blocking and scattering of fireworks and the like. Further, parts of the firework discharging box in the prior art are operated at high frequency and high speed so as to be quite serious in abrasion, and maintenance workload is pretty high. In order to simplify the structure of the firework discharging box, reduce mechanical faults, improve firework discharging quality and reduce production cost, the electrically-controlled firework discharging box is modified from being driven by other machines into being driven by electromagnet of the firework discharging box.

The invention relates to the technical field of automobile part equipment, and especially relates to a dual-rotor excitation combination retarder. The dual-rotor excitation combination retarder provided by the invention comprises a rotation shaft, a permanent magnetic subunit and an electro-excitation subunit. The permanent magnetic subunit comprises an outer stator core and an outer rotor core fixedly connected with the rotation shaft. The outer rotor core is equipped with a permanent magnet corresponding to the outer stator core. The intersection area of the permanent magnet and the outer stator core can be adjusted to change the magnetic flux of a stator, thereby adjusting a brake torque. The electro-excitation subunit comprises an inner stator core and an inner rotor core fixedly connected with the rotation shaft. An electro-excitation coil is arranged on the inner rotor core. The access current of the electro-excitation coil can be adjusted to realize stepless adjustment of the brake torque. According to the retarder, the permanent magnetic subunit and the electro-excitation subunit are combined; through adoption of dual-rotor brake, the action response is fast; electromagnetism and heat load in relatively large ranges can be selected; and further the power density and braking efficiency of the retarder are greatly improved.

The invention provides a conveyor belt type automatic glazing device, which comprises a position sensor, a bowl blank, and a bowl blank clamping mechanism, wherein a low-speed motor is connected with a revolving drum which drives a conveyor belt I and a conveyor belt II to simultaneously move, the bowl blank clamping mechanism clamps the bowl blank and changes the position continuously along with the conveyor belts, the bowl blank is glazed when the bowl blank clamping mechanism is soaked in a glaze pool at the bottom of a bracket, then the bowl blank clamping mechanism is driven by the conveyor belts to leave away the glaze pool, the position sensor detects the bowl blank when the bowl blank clamping mechanism moves to a station B, a pressure lever is loosened, and the bowl blank falls down under the gravity action and enters next procedure, thus completing the whole glazing process. The conveyor belt type automatic glazing device is used for automatic glazing technological steps during the daily ceramic production process, and overcomes the defects that the traditional glazing device is complicated in the driving mechanism, low in efficiency, and low in automation level and has dead glazing corners.

A bi-color die comprises a fixed die body (1) and a movable die body (2). A die cavity is divided into a soft glue die cavity body (3) and a hard glue die cavity body (4). A soft glue sprue (5) and a hard glue sprue (6) are formed in the fixed die body (1) and communicated with the soft glue die cavity body (3) and the hard glue die cavity body (4) respectively. A blade (7) for separating the soft glue die cavity body (3) from the hard glue die cavity body (4) is connected to the movable die body (2) in a sliding manner. One end of the blade (7) is located in the soft glue die cavity body (3). The lower plane of the blade (7) is in flush with the transition position of the soft glue die cavity body (3) and the hard glue die cavity body (4). The end face of one end of the blade (7) is the same as the inner wall of the opposite soft cavity die cavity body (3) in shape. The other end of the blade (7) is located in the fixed die body (2). A drive mechanism for controlling the blade (7) to slide is arranged in the fixed die body (2). Compared with the prior art, the bi-color die has the beneficial effects of being smaller in size, simple in structure, low in maintenance cost and high in production efficiency.

The invention discloses a torque directional distribution electric drive axle based on a double-rotor motor. The drive axle comprises a main drive motor and the relatively-rotating type double-rotor motor, wherein the output end of the main drive motor is connected with a shell of a bevel gear differential mechanism through a speed reduction mechanism; the relatively-rotating type double-rotor motor comprises an outer rotor and an inner rotor which are coaxially arranged and rotate relatively; a first output end drive gear of a first output end gear transmission mechanism is fixedly connectedwith the output end of the outer rotor of the double-rotor motor, and a first output end driven gear is connected with a first axle shaft; a second output end drive gear of a second output end gear transmission mechanism is fixedly connected with the output end of the inner rotor of the double-rotor motor, and a second output end driven gear is fixedly connected with the shell of the bevel gear differential mechanism; and the first output end gear transmission mechanism and the second output end gear transmission mechanism have the same transmission ratio. By the adoption of the provided torque directional distribution electric drive axle based on the double-rotor motor, torque directional distribution of wheels on the two sides can be achieved without a clutch, the action response is madequickly, and the integration degree is high.

The invention discloses a surgical operating system which comprises an external command transmission device, an action command executing device and an endoscope device, wherein the endoscope device comprises an endoscope pipeline, an endoscope workstation and an endoscope monitor; the external command transmission device comprises an operating mechanical arm, an external command receiver, a command transmission control station and a tail end mechanical arm control station; the action command executing device comprises a driving unit and action executing units; the driving unit comprises a plurality of micro motors and a plurality of power conversion devices corresponding to the micro motors; two action executing units are arranged, and each action executing unit comprises an arm action accessing end, a serpentine neck and a tail end mechanical arm; the tail end mechanical control station is respectively connected with the driving unit of the action command executing device and the endoscope workstation by virtue of signal communication lines. The surgical operating system is high in precision of action execution and high in operating flexibility, so that the surgical operating time is greatly shortened.

The invention discloses a pneumatic automobile crane used for principle demonstration, belonging to the hoisting machinery field, and comprises an automobile chassis, a cargo boom, a revolution mechanism, a hoisting mechanism and a luffing mechanism. The automobile chassis controls front axle deflection steering through a steering cylinder, and provides rear axle driving power through a gas motor; the vehicle frame of the automobile chassis is also provided with two sets of hoisting supporting legs. The revolution mechanism realizes the rotation of a revolving platform through a swing cylinder; the cargo boom is installed on the revolving platform, and a cylinder controls the telescoping of the cargo boom; the hoisting mechanism utilizes a pneumatic motor to drive a reel to fold and unfold a steel wire rope to hoist cargoes; the luffing mechanism controls the inclination angle amplitude of the cargo boom through a luffing cylinder. The pneumatic automobile crane utilizes pneumatic power as the power source of an automobile crane, simulates and manufactures the demonstration model of the automobile crane, more visually displays the work principle of the automobile crane, facilities on-site teaching and principle demonstration, and plays a good role in researching the automobile crane.

The invention relates to an intelligent heat exchange system of a diesel engine, which comprises a heat exchanger, an electromagnetic valve, an oil circuit heater and an intelligent monitoring device; the heat exchanger is communicated with an oil pump, an oil tank, an engine and a radiator by pipelines and one end of the engine is connected with the oil pump by an oil inlet tube while the other end is connected with the oil tank by an oil return tube; the oil inlet tube, the oil return tube, a water return pipe, an oil cup and the oil tank are respectively provided with a temperature sensor which is connected with an intelligent detection device; the intelligent heat exchange system of the invention comprises components as follows: 1. the heat exchanger; 2. the oil circuit heater; 3. the intelligent monitoring device; 4 the temperature sensor; 5. the electromagnetic valve; the intelligent heat exchange system of the invention has the advantages that the intelligent monitoring device can monitor the temperature of the oil inlet tube, the oil return tube and the oil tank in real time and different upper limit and lower limit temperature control ranges are configured according to the real environment so as to ensure that a diesel car can normally use diesel oil with the grade of 0<#> or higher at the environmental temperature of minus 10 DEG C to minus 40 DEG C, thereby being capable of saving energy consumption and reducing transportation cost.

The invention discloses a quick large-torque clutch system which comprises a clutch device, a hydraulic oil pump, a motor, a disengagement oil way, an engagement oil way and an oil storage tank. The clutch device comprises an input shaft, a first coupling, a first snap spring, a second snap spring, a rolling bearing, a bearing bush, a cylinder wall sleeve, a second coupling, a sliding bearing, a third snap spring and an output shaft. Compared with existing clutch devices, the clutch device arranged in this way overcomes shortcomings by learning strong points and has the characteristics of large transmission torque, rapid action response, simple structure and easy operation. The quick large-torque clutch system further comprises the disengagement oil way and the engagement oil way, the first coupling and the second coupling are quickly disengaged in a high speed state through the disengagement oil way, the first coupling rotating at high speed is slowly and gradually engaged with the second coupling stopping rotating through the engagement oil way, and thus the operation stability of equipment is improved, and the service life of the equipment is prolonged.

The invention discloses a high-speed chuck for an aluminum alloy wheel, belonging to the machining process equipment for the aluminum alloy wheel. The high-speed chuck is capable of realizing quick mounting (loosening) of the aluminum alloy wheel, and the mounting time taken is one quarter of that of the existing chuck; and the high-speed chuck is capable of mounting the aluminum alloy wheels of a series of diameters, and does not need to be frequently replaced and adjusted. Three driving cylinders 1, three pairs of synchronous gears 10, six jaw shafts 9, six jaws 12 and a synchronous turntable 4 are mounted on the chuck body 14; and a locking sleeve 11 is connected to the synchronous gears 10 and the jaw shafts 9. The driving cylinders 1 fixed to the chuck body 14 acts to drive the synchronous turntable 4 to rotate; the swinging of three synchronous gear oscillating arms 3 and the rotation engagement of three gear pairs 10 are realized through three lead pins 6 which are arranged on the synchronous turntable 4 and embedded in the lead grooves of the synchronous gear oscillating arms 3, so that the jaws 12 at the upper ends of the jaw shafts 9 are closed up; therefore, quick fastening of the aluminum alloy wheel is completed. The high-speed chunk is quick in mounting, accurate in centering, reliable in locking, and universal.

The invention relates to a large-diameter direct-acting type high-pressure solenoid valve. The large-diameter direct-acting type high-pressure solenoid valve which is of a coaxial integral structure comprises a valve body, a coil housing, a coil, a spring, a valve core, a valve seat and an O ring, wherein the valve body is arranged on the upper part of the solenoid valve, medium inlet connecting threads are formed on the upper end of the valve body, a solenoid coil is wound on the circumference of the middle part of the valve body, and the coil housing is arranged on the outer side of the solenoid coil. According to a control method, a two-position two-way direct-acting type structure is adopted, the solenoid valve is opened after energization and is closed after deenergization, and a fluid medium flows into from the upper part of the valve body and flows out from the lower part of the valve seat. Compared with the prior art, the large-diameter direct-acting type high-pressure solenoid valve has the obvious advantages that (1) the diameter is large, the working pressure is high, the sustainable conduction time is long, and therefore, large-flow media can be continuously and stably supplied; (2) the action response speed is high (less than or equal to 10 ms), the solenoid coil of the solenoid valve is large, the sectional area of the valve core is large, so that large electromagnetic force can be generated, and therefore, the response speed is high.

The invention discloses a large-flow air-control corrugated pipe type pressure reducing valve. An inlet cavity (2), an outlet cavity (4), a damping cavity (6), a control cavity (7) and an unloading cavity (9) are sequentially arranged in a valve body from top to bottom. The large-flow air-control corrugated pipe type pressure reducing valve is characterized in that the front end of the valve inlet cavity (3) is externally provided with a bypass pipeline (23) communicating with the unloading cavity (9), and the acting force applied by a medium to a throttling valve element (13) is balanced. Compared with the prior art, the large-flow air-control corrugated pipe type pressure reducing valve has the remarkable beneficial effects that a metal corrugated pipe serves as a sensitive element of the pressure reducing valve, rigidity is small, sensitivity is good, the effective area is large and the mass is small, and therefore the kind of valve has the beneficial effects of being high in outlet pressure control precision, stable in pressure, large in flow, small in dynamic-static pressure difference, good in dynamic characteristic and the like; and the unloading cavity can be used for counteracting the acting force applied by the high-pressure gas medium to the throttling valve element, the opening conditions of the throttling valve element are improved, the loads of the sensitive element are reduced, and the service life of the metal corrugated pipe is prolonged.