122 results about "Motor block" patented technology

The invention discloses a ground dirt cleaning device, and relates to the technical field of cleaning equipment. The device comprises a support platform, a driving mechanism, an adjusting mechanism and a cleaning device, the support platform is supported through supporting legs arranged at the lower end of the support platform, mobile casters are arranged at the lower ends of the supporting legs,a through groove is formed in the center of the support platform, the adjusting mechanism comprises a lifting pump vertically installed at the upper end of the support platform, the lifting pump is located on the periphery of the through groove, a supporting plate is arranged on the top of the lifting pump, the driving mechanism comprises a rotating motor and a driving shaft arranged at the driving end of the rotating motor, a motor base of the rotating motor is installed on the lower end face of the supporting plate, and the cleaning device comprises a detergent box and a cleaning mechanism.Accordingly, by conducting mechanical cleaning on oil dirt and dirt on the ground, the ground cleaning efficiency is improved, the manpower is saved, the structure is simple, all parts can be maintained and replaced conveniently, and the cost is reduced.

The invention provides a hard rail numerical control lathe. The hard rail numerical control lathe comprises a base module. The base module comprises a motor base, a spindle motor, a Z-axis motor, a Z-axis motor base, a base body, a Z-axis lead screw, a bearing block and a motor belt wheel. The spindle motor is fixed to the side edge of the base body through the motor base. The motor belt wheel is fixed to the spindle motor. The Z-axis motor base is fixed to the base body. One end of the Z-axis lead screw is connected with the Z-axis motor base, and the other end of the Z-axis lead screw is connected with the bearing block. The problems that when a traditional machine tool is used for machining a larger workpiece, the cutting strength of a spindle is insufficient, feed horsepower of all shafts is weak, the strength of a base is not high enough, and machining feed is excessively large, and consequently tool abrading, jamming, servo alarming and even burning-out of a spindle bearing are caused are solved, and the phenomenon of instable transmission caused by the fact that a certain part of a pipeline is not lubricated in place due to the long use cycle and the phenomenon of burning-out of a rail due to the fact that the rail makes contact with overheat are avoided.

A light scanning unit according to the present invention has a polygon motor that scans a laser beam emitted from a laser source, a plate that supports the polygon motor, and a cover that is fixed to the plate and covers the polygon motor. The polygon motor, plate, and cover constitute a motor block. The motor block is housed in a housing. The housing is made of synthetic resin. The plate and cover are made of metal. When a polygon mirror is attached to a circuit board and the base end of a motor shaft is inserted into a fix hole of the plate, the entire surface of the circuit board directly comes into contact with the plate surface.

This invention relates to a washing machine with airing and barrel drying programme, during the airing in the washing machine, the motor is changed to interrupted running from continuous running, which can reduce the rising temperature and heating quantum that result from long continuous working hours and heavier load, and this invention add the fuzzy detecting clothes quantum function during the airing, when the clothes are overweight in barrel, the wave wheel is not running, then canceling wave wheel stir to avoid the motor blocking to achieve the aim of protecting motor and prolonging the motor longevity.

The invention is suitable for the electronic field, providing a motor blocking method of a massage and the massager; the method comprises the following steps: the massager detects whether a motor is blocked; if so, the massager regulates gears of the motor to the highest gear, and then enables the motor to rotate reversely. The technical proposal provided by the invention has the advantages that reliability of the massager is increased.

The invention provides a motor block running protection method and device. The motor block running protection method comprises the following steps: circularly executing the following N1 to N4 until the motor stops running; N1: obtaining d-axis estimated current, q-axis estimated current, d-axis voltage, q-axis voltage and feedback speed based on FOC vector control; N2: calculating the angle deviation between the actual position and the estimated position of the motor rotor by using the d-axis estimated current, the q-axis estimated current, the d-axis voltage, the q-axis voltage and the feedback speed; N3: counting the block running count value of the current cycle according to the block running count value of the previous cycle; and N4: turning off the PWM wave when the angle deviation isnot less than the preset block running protection threshold and the block running count value of the current cycle period is not less than the preset count threshold so as to realize the block running shutdown protection of the motor. The scheme can perform more effective block running protection of the motor.

The invention provides a connecting lock for spacecraft docking, relates to a connecting lock and aims at solving the problem that an existing connecting lock mechanism is large in weight and low in reliability. The connecting lock for spacecraft docking comprises a stud support connected with a driving-end spacecraft and a nut support connected with a driven-end spacecraft and further comprises a motor, a motor blocking plate, a coupler, a bearing, a bearing end cover, a stud, a nut, a connecting key, a compression spring and a nut end cover, wherein the top face of the motor is fixed on the bottom face of the stud support through the motor blocking plate, the top end and the bottom end of the stud respectively extend into the nut support and the stud support, a motor shaft is connected with the bottom end of the stud through the coupler, the bearing is arranged between the stud and the stud support, the lower end of an angular contact ball bearing is fixed by a shaft shoulder on the stud support, the upper end of the angular contact ball bearing is fixed by the bearing end cover, and the nut is peripherally positioned to the nut support through the connecting key. The connecting lock for spacecraft docking is used for rigid connection of the driving spacecraft and the driven spacecraft.

The invention relates to a rotary speed and opening degree double-adjustment device for a fertilizer discharging shaft of a variable fertilizer applicator. The rotary speed and opening degree double-adjustment device comprises a rack, a rotary speed adjusting mechanism, an opening degree adjusting mechanism and fertilizer discharging devices, and is characterized in that the rotary speed adjusting mechanism is arranged at the right side of the rack; the opening degree adjusting mechanism is arranged at the left side of the rack; and the fertilizer discharging devices are uniformly distributed between the rotary speed adjusting mechanism and the opening degree adjusting mechanism according to specific farmland plant planting line spacing and the width of the variable fertilizer applicator. The rotary speed adjusting mechanism is composed of a rotary speed motor, a rotary speed motor seat, a rotary speed sleeve, a rotary speed shaft coupler, a supporting bearing, a rotary speed connection piece and a spline; the opening degree adjusting mechanism is composed of an opening degree motor, an opening degree motor seat, an opening degree sleeve, an opening degree shaft coupler, an opening degree connection piece and a rotary bearing; and each fertilizer discharging device is composed of a fertilizer discharging box, a groove wheel, a fertilizer discharging stopping shaft, a clamping device and a follow-up baffle. The adjustment device can be used for adjusting the rotary speed and the opening degree of a fertilizer discharging main shaft at the same time so that the working efficiency is improved, and the influences in fertilization uniformity, caused by fertilizer discharging pulsatility in a fertilizer discharging process are reduced.

A modular hydrostatic transaxle includes an axle module removably connected to a hydrostatic transmission module. The axle module includes a differential connected to a reduction gear train and disposed in an axle casing. A pair of axles are connected to the differential and supported within the axle casing. The hydrostatic transmission module comprises a transmission casing separate from the axle casing and hydraulically connected pump and motor disposed in the transmission casing. The motor output connection includes a shaft piloted to an input drive of the reduction gear train, which constitutes the alignment mechanism of the transmission and axle modules. The pump and motor cylinder barrels are hydraulically connected through the pump and motor block at 90.degree. orientation, and a portion of the pump and motor block forms an inclined surface which supports a face of a thrust bearing. At least one homogeneous low friction bearing strip is confined between the swash plate and the interior portion of the casing. A disconnect mechanism includes a spring that urges a sleeve to engage the output and input shafts. The brake disc is disposed on a distal end of the output shaft and a brake cover is fastened to the outer portion of the axle casing and substantially encloses the brake disc.

The invention discloses a device for cleaning and maintaining computer hardware, comprising a box body, two first fixing bars are fixedly connected to the upper surface of the inner wall of the box, and the opposite surfaces of the two first fixing bars are respectively connected to the first The left and right sides of the driving device are fixedly connected, the first driving device meshes with the second gear, the inner surface of the second gear is clamped with a rotating shaft, and the surface of the rotating shaft is respectively sleeved with a first bearing and a second bearing and the third bearing, the first bearing is clamped on the upper surface of the inner wall of the box, and the second bearing is clamped on the upper surface of the box. The device for cleaning and maintaining computer hardware, through the mutual interaction between the third electric push rod, the first extrusion plate, the second extrusion rod, the telescopic rod, the spring, the second electric push rod, the second motor, and the wiping block Cooperate to facilitate the work of the staff, not only reduce the work intensity of the staff, but also improve the work efficiency of the staff.

The invention provides a power head and a lawn mower. The power head comprises a motor assembly, an energy device and a housing. The motor assembly comprises a motor base and a motor fixed on the motor base. The housing assembly comprises a casing that is assembled with the motor base. The top of the casing is provided with an air inlet that is inclined backward and downward and an air inlet cavity connected to the air inlet. The air inlet and the air inlet cavity are provided with two. The air inlet cavity is a U-shaped structure with an upper opening, and the casing covers the top of the air inlet cavity to form a sealed airflow passage.

The invention discloses a curve orbit system with sliding blocks having independent driving force. The curve orbit system comprises a curve orbit, a toothed belt arranged on one side of the curve orbit, pressing strips arranged on belt surfaces of the upper and lower ends of the toothed belt, and the sliding blocks arranged above the curve orbit, wherein each sliding block comprises a pulley fixing plate, a fixed pulley, a driving wheel assembly, an adjustable pulley A, an adjustable pulley B, pressing plates A and pressing plates B; and the driving assembly comprises a toothed pulley, bearings arranged on the toothed pulley, bearing pedestals arranged on the bearings in a sleeving manner, a motor seat arranged on the bearing pedestals, a motor arranged on the motor seat, a shaft coupler arranged on the motor and the toothed pulley, and locking nuts arranged on one side of the shaft coupler. Transmission teeth on the curve orbit of the curve orbit system adopt the toothed belt which is convenient to produce and mount; the production, mounting and maintenance cost is greatly reduced; pulley balls are arranged at positions at the shaft ends of pulley shafts far away from sliding chutes, so that the outer diameter of each pulley can be reduced; the sliding blocks have the independent driving force, so that all the sliding blocks in the curve orbit system are more flexible and free.

A coaxial all-metal cam stator and rotor underground dynamical drilling tool comprises a transition joint, the transition joint is connected with a motor assembly through threads, and the motor assembly is connected with a transmission shaft assembly through threads. After being filtered through a filtering device, drilling liquid passes through the transition joint, enters an annular space between a motor base shell of an upper motor and a stator shell after passing through an upper end cover, enters a center hole of an upper rotor after acting on the upper rotor, is discharged towards a lower motor through inclined holes in the center hole of the upper rotor and continuously drives the lower motor to rotate, a part of the liquid acted by the lower motor flows out through small holes formed in a transmission shaft joint to lubricate and cool a bearing and most of the drilling liquid is sprayed out through an inner hole of a spindle of the transmission shaft and drill water holes so as to cool and clean a drill and circulate slurry. The coaxial all-metal cam stator and rotor underground dynamical drilling tool has the advantages of being resistant to abrasion, resistant to corrosion, resistant to high temperature, resistant to aging, long in service life, simple in structure and easy to machine.

The invention relates to a motor seat mould of an electric tool, comprising fixing plates, moulds, guide columns, thimble plates and a nozzle, wherein a lower thimble plate (11) and an upper thimble plate (10) are arranged above a lower fixing plate (12) from bottom to top; a male mould (8) is arranged above the upper thimble plate (10) and a female mould (2) is arranged on the male mould (8); an upper fixing plate (1) is arranged on the female mould (2); inclined guide columns (6) are arranged in cavities of the female mould (2) and the male mould (8) in a bilateral symmetry manner; slide blocks (4) are mounted on the inclined guide columns (6) and a male mould core (7) is mounted in a cavity formed below the slide blocks (4) by the male mould (8); a female mould core embedding piece (3) is mounted in a cavity formed above the slide blocks (4) by the female mould (2); and the central position of the upper end of the female mould core embedding piece (3) is communicated with a hot nozzle (13) on the upper fixing plate (1). According to the motor seat mould of the electric tool, the accuracy of the size, and the concentricity and the roundness of a stator can be guaranteed.

The invention discloses a motor blocking stator structure, a motor stator with the motor blocking stator structure and a motor. The motor blocking stator structure includes a plurality of mutually independent stator punching sheets which are stacked together, wherein the plurality of stator punching sheets are fixed together through coiling. In the motor blocking stator structure, the plurality ofstacked stator punching sheets are fixed together through coiling; no other fixed structures are arranged among the plurality of stator punching sheets; and the stacked stator punching sheets are fixed together only through winding of coiling; and the plurality of blocking stator structures are fastened and fixed through fastening rings to realize firm fixing of the overall motor stator. The motor blocking stator structure can effectively reduce the iron core loss of the stator core, can improve efficiency of the motor and can reduce temperature rise of the motor.

The invention discloses a computer case paint mixing and stirring device and an operation method. The computer case paint mixing and stirring device comprises a base, a motor, a coupling, a first bevel gear, a second bevel gear, a case, a right pillow block, a ball head, ball head seats, an output shaft, a paint bucket, a bucket cover, a hoop, a stirring shaft, blades, a cam, a transmission shaft, a first synchronous wheel, a synchronous belt, a second synchronous wheel and a transmission shaft. The right side of the base is fixedly connected with a motor block, the motor is fixedly connected to the upper portion of the motor block and fixedly connected with a crankshaft through the coupling, the case is arranged on the outer side of the crankshaft, a crankshaft hole is formed in the left side of the case, the crankshaft hole is rotatably connected with the crankshaft, the crankshaft rotates in the crankshaft hole, the crankshaft penetrates through the crankshaft hole and is fixedly connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the middle of the second bevel gear is fixedly connected with the lower part of the transmission shaft, a crank is arranged on the right side of the crankshaft, and the right pillow block is arranged on the right side of the crank.

The invention relates to the technical field of physiotherapy equipment, and discloses a physiotherapy bed for surgery, which includes a bed board, a motor frame fixedly connected to the bottom of the bed board, a sponge block fixedly connected to the inner wall of the motor frame, and a motor arranged inside the motor frame. The output end is fixedly connected with a driving gear, the top of the driving gear is meshed with a driven gear, one side of the driven gear is fixedly connected with a drug cartridge, the outer surface of the drug cartridge is fixedly connected with a massage head, and the inside of the drug cartridge is provided with a heating wire. In the present invention, through the motor, driving gear, driven gear, drug cartridge, massage head, heating wire, fixing belt and air outlet, the effect of physiotherapy can be achieved on the waist suffering from lumbar disc herniation. On the one hand, the heating wire can make the drug The effect is better. On the other hand, it can improve the patient's comfort when it is cold, making the physical therapy effect more obvious. The massage head can slow down the pain caused by the lumbar disc herniation to the patient.

The invention discloses a pesticide spraying vehicle capable of automatically adjusting the liquid spraying flow according to the vehicle speed. The pesticide spraying vehicle comprises a vehicle body, rotating cavities are formed in the front side surface, the rear side surface and the right side surface of the vehicle body, a spraying mechanism used for being rotatably stretched is arranged in each rotating cavity, a storage cavity is formed in the vehicle body, a motor block is fixedly arranged on the top wall of the storage cavity, a motor is arranged in the motor block, and a motor shaftis in power connection with the right side of the motor. By starting the motor, the states of rotating starting of a rotating plate, stirring of a stirring rod and switching of the flow can be achieved, meanwhile, after liquid pesticide is sprayed, the vehicle can be automatically switched back to the initial state, and the pesticide spraying vehicle is quite convenient to use; meanwhile, the flowis constantly increased along with increasing of the vehicle speed; and by stirring, the liquid pesticide in the vehicle body is kept in the state of uniform concentration all the time, and then it can be guaranteed that the spraying amounts of the liquid pesticide in the unit area are close to be equal at different vehicle speeds.

The invention relates to a hand-held telescopic chestnut vibrating picking device. A motor bracket is arranged in a stop cover; a miniature camera is arranged at the upper end of the stop cover; a motor block is arranged on the motor bracket; a miniature motor is arranged on the motor block; a cam groove is formed in the center of a grooved cam along a contour line; sliding rails are arranged at two sides of the cam groove along the contour line; the grooved cam sleeves a motor output shaft of the miniature motor; a push rod slider is in sliding fit with the cam groove through a roller; a liquid crystal display screen arranged on a handle is connected to the miniature camera through an electric wire; and a 51 single chip microcomputer and a control button are connected to the miniature motor through the electric wires. The hand-held telescopic chestnut vibrating picking device is scientific and reasonable in structural design, light and firm in structure and high in reliability; the weight of the picking device is effectively reduced; and through automatic operation of a telescopic rod, the miniature camera and the miniature motor, automatic picking of chestnuts can be achieved, and a person can complete the operation without climbing up a tree, so that manpower is saved, the problems of difficulty in high altitude picking, high cost and the like can be solved and the chestnutpicking efficiency is improved.

The invention relates to a bearing pressure load testing device, which includes a machine base, a bearing fixing seat is fixed in the middle of the machine base, a torque tester is fixed on the bearing fixing seat, and a bearing inner shaft is fixed on the torque input shaft of the torque tester. Frame clamp; a thrust rod mechanism is symmetrically arranged on both sides of the corresponding bearing fixing seat on the stage; the thrust rod mechanism includes a threaded seat fixed on the surface of the stage and a push block slidingly connected with the surface of the stage. The threaded seat is connected with a push rod, and the end of the push rod is connected with the push block; two motor seats are symmetrically arranged on the upper part of the machine base, and the motor seat includes a guide slide rail, and a motor fixing block is slidably connected in the guide slide rail. The motor is vertically fixed on the motor fixing block, and the two axial sides of the motor fixing block are elastically connected with the two ends of the guide rail; the output shaft of the motor is provided with a drive wheel, which is connected by rotation on the push block. There is a traction wheel, and the traction wheel and the driving wheel are connected through a belt drive.

The invention discloses an environment-friendly weeding machine applicable to farmlands. The environment-friendly weeding machine comprises a trolley body, wherein a work cavity is formed in the trolley body; open grooves are formed in the front and back side walls of the work cavity; the front and back parts of the top wall of the work cavity are symmetrically provided with sliding grooves; a hydraulic cavity is formed in the right side wall of the work cavity; a weeding device is arranged in the hydraulic cavity and the work cavity; firstly, a catalytic solution is added into a water box from a water adding opening; then, the trolley body is driven to forwards move through wheels; then, a hydraulic valve is opened, so that a motor block is driven to move; long plates are driven to move,so that an included angle between the long plates is controlled through fixing rods, a hinging rod, a connecting rod and a slide block mechanism. The environment-friendly weeding machine has the advantages that the structure is simple; the operation is convenient; eugonic weeds can be cut in a mechanical mode; compared with manual cutting and small-sized weeding machines, the environment-friendlyweeding machine is higher in work efficiency; meanwhile, the one-step grass cutting area can be automatically regulated by the device.