80results about How to "Adjustable torque" patented technology

The invention relates to a door pivot hinge device capable of adjusting a torque force. The door pivot hinge device comprises a first base plate unit, a second base plate unit, a torque force providing unit, a torque force adjusting unit and a speed adjusting unit. The first base plate unit and the second base plate unit are embedded into each other and can revolve. The torque force providing unit has a torsion spring capable of leading a door sheet to produce a torque force. The torque force adjusting unit has a mandrel and a single cam set, wherein the mandrel can drive the torsion spring through the single cam set so as to adjust the torque force. The speed adjusting unit has a brake disc, a plurality of elastic elements and an adjusting element, wherein the adjusting element can pressthe elastic element so as to adjust the rotation speed. Therefore, the door pivot hinge device has the adjustable torque force, and smooth operation for door opening and closing , and is suitable forhigh load.

A device for winding a suspension cord of a blind is provided to wind a suspension cord disposed on a blind. The suspension cord is spirally wound about a cord spool through a spiral guide groove of a guide component, and then arranged along the cord spool in sequence. Additionally, when the cord spool is connected to a power resilient element as a power source of rotation, friction force is applied to the cord spool through an adjusting component to adjust the output torque of the cord spool, such that the torque applied to the cord spool by the power resilient element can be balanced out with the torque applied to the cord spool by the gravity of the blind.

The invention discloses an aluminum foil winding device, and belongs to the field of aluminum foil processing. The aluminum foil winding device comprises a rack, a winding drum rotationally connectedto the rack, and a winding motor fixedly arranged on the rack; the winding motor is connected with the winding drum through a torsion limiter; a compression roller is arranged above the winding drum,the compression roller is rotationally connected to a sliding seat, and a sliding rail matched with the sliding seat is arranged on the rack; a sliding table is installed on the portion, above the sliding seat, of the sliding rail, and a balancing weight is arranged on the sliding table; and a spring is connected between the sliding table and the sliding seat. According to the aluminum foil winding device, aluminum foil can be prevented from being broken due to overlarge winding tension, the phenomenon that the aluminum foil is loosened due to breakage caused by other factors can be avoided, and the aluminum foil is prevented from being re-wound and even scrapped.

The invention discloses a control method of a bidirectional automatic door. The method adopts the steps as follows that the closing state of the automatic door is the closing position; the left rotation position is the left opening position; the right rotation position is the right opening position; when electrified, the closing position, the left opening position and the right opening position are checked firstly; the closing position is used as the starting position to record the angle or work distance when the automatic door rotates to the left opening position and the right opening position; the rotary speed of the automatic door is divided into the fast work speed in the initial period of the rotation and the slow work speed when the door is close to the left opening position or the right opening position. The control method of the bidirectional door has the advantages of realizing the bidirectional opening and closing of the door, well maintaining the indoor temperature, sensingthe approaching people direction automatically, having no difficulty in passing in and out, having the clamp proof function and avoiding the clamp injury accidents, realizing the ultra-silence stablerotation, realizing the conversion between the normal application and the special application, simple structure and convenient mounting.

A motor may adjust interlinkage magnetic flux of a rotor and a stator so as to rotate at high speed by lowering torque during a dehydration operation of a washing machine. The motor includes a rotor in which a plurality of magnets and a plurality of rotor cores are alternately arranged in a circumferential direction of the rotor, the plural magnets being magnetized in the circumferential direction so that the same polarities thereof face each other, a stator around which a coil is wound, and a magnetic flux adjustment member to adjust interlinkage magnetic flux of the rotor and the stator by adjusting leakage magnetic flux. The magnetic flux adjustment member includes a ring-shaped variable magnetic substance, and a pressing member which presses the magnetic substance and varies the shape thereof.

The invention belongs to the field of automobile motors, discloses a radial-axial magnetic field electromagnetic planetary gear power divider and aims to solve the problems of large size, complex structure, high cost, performance limitation and failure in effective power output of a system due to the fact that engines in existing series, parallel and series-parallel driving devices cannot simply and efficiently match with other parts of the system. A radial birotor motor and an axial torque adjustment motor are parallelly arranged in a shell of a motor. A flux adjustment rotor with q projection units in the radial birotor motor is driven by a prime motor, stators form a field with the pole number of 2p, and the required rotation speed is outputted by an output shaft of a permanent magnetic rotor with the pole number of 2n, wherein p is equal to |hn+kq|. The output rotation speed is independent from the input rotation speed to realize stepless speed change. The axial torque adjustment motor inputs driving torques or braking torques according to actual load demands to meet actual torque requirements of loads so as to balance input energy and output energy of output shafts of permanent magnetic rotors.

The invention relates to a posture assisting correction device and method of a tubular pile. The posture assisting correction device comprises at least three bases and upper bases which are arranged above the bases respectively corresponding to the bases; horizontal supporting rods fixedly extend outwards from the lower portions of the bases respectively; the lengths of all the horizontal supporting rods are the same; arc plates are arranged at the outer ends of the horizontal supporting rods respectively; the arc plates jointly form an annular shape to sleeve the part, close to the ground, ofthe tubular pile; horizontal hydraulic rods extend outwards from the upper bases respectively; the lengths of all the horizontal hydraulic rods are the same; the outer ends of the horizontal hydraulic rods are provided with abutting wheels capable of vertically rotating respectively to abut against the tubular pile so that the tubular pile can be kept vertical; the horizontal hydraulic rods are parallel to the horizontal supporting rods up and down; the horizontal supporting rods are provided with laser emitters; the posture of the tubular pile can be automatically adjusted to be in the vertical state, and the quality of pile putting is guaranteed; meanwhile, the posture assisting correction device can adapt to tubular piles of different sizes, and tubular pile posture adjustment and maintaining are stably and firmly achieved.

The invention provides a crane and a rotational weight-balancing device thereof. The rotational weight-balancing device is arranged on a rotary table of the crane and comprises: a balancing weight, which is arranged on the bottom of a first side of the rotary table; and a driving mechanism, which is disposed between the rotary table and the balancing weight to drive the balancing weight to rotate on the bottom of the rotary table. The driving mechanism comprises: an oil cylinder being hinged to the rotary table; and a connecting rod mechanism connected between the rotary table and the balancing weight, wherein the connecting rod mechanism is connected to the oil cylinder to drive the balancing weight to rotate on the bottom of the rotary table. The crane and the rotational weight-balancing device are adjustable in moment of force so that the crane is improved in stability and lifting performances.

The invention belongs to the field of automobile motors, discloses an axial-radial magnetic field electromagnetic planetary gear power divider and aims to solve the problems of large size, complex structure, high cost, performance limitation and failure in effective power output of a system due to the fact that engines in existing series, parallel and series-parallel driving devices cannot simply and efficiently match with other parts of the system. A shell is partitioned into two portions in which an axial birotor motor and a radial torque adjustment motor are arranged. A flux adjustment rotor with q projection units in the axial birotor motor is driven by a prime motor, stators form a field with the pole number of 2p, and the required rotation speed is outputted by an output shaft of a permanent magnetic rotor with the pole number of 2n, wherein p is equal to |hn+kq|. The output rotation speed is independent from the input rotation speed to realize stepless speed change. The radial torque adjustment motor inputs driving torques or braking torques according to actual load demands to meet actual torque requirements of loads so as to balance input energy and output energy of output shafts of permanent magnetic rotors.

The invention discloses a material damage tolerance detection device based on rotating bending fatigue as well as a detection method. The detection device comprises a rack, a supporting and rotating device, a driving and regulating device, a Z-axis moving device, a loading device and a crack information acquiring device, wherein the supporting and rotating device comprises a motor and a support axle movably mounted on a support and connected with a power output end of the motor, and a support wheel is fixedly mounted on the support axle; the crack information acquiring device comprises a cracking piece, a wireless signal transmitting module for providing excitation voltage for the cracking piece and acquiring potential signals fed back by the cracking piece as well as a wireless signal receiving module communicating with the wireless signal transmitting module; the driving and regulating device comprises a sliding structure movably mounted on the Z-axis moving device and a servo electric cylinder mounted on the Z-axis moving device, an electric spindle and a shaft box which are integrally connected are mounted on the sliding structure, a hydraulic chuck for clamping a sample shaft is mounted on an output shaft of the shaft box, and a sample wheel in rolling fit with the support wheel is mounted at an end part of the sample shaft.

The invention belongs to the field of automobile motors, discloses an axial-axial magnetic field electromagnetic planetary gear power divider and aims to solve the problems of large size, complex structure, high cost, performance limitation and failure in effective power output of a system due to the fact that engines in existing series, parallel and series-parallel driving devices cannot simply and efficiently match with other parts of the system. A shell is partitioned into two portions in which an axial birotor motor and a radial torque adjustment motor are arranged. A flux adjustment rotor with q projection units in the axial birotor motor is driven by a prime motor, stators form a field with the pole number of 2p, and the required rotation speed is outputted by an output shaft of a permanent magnetic rotor with the pole number of 2n, wherein p is equal to |hn+kq|. The output rotation speed is independent from the input rotation speed to realize stepless speed change. The axial torque adjustment motor inputs driving torques or braking torques according to actual load demands to meet actual torque requirements of loads so as to balance input energy and output energy of output shafts of permanent magnetic rotors.

The invention discloses a speed-adjustable steering wheel comprising a spindle (1), a motor (2), a wheel body (3) and a reducing device. The output end of the motor (2) is connected to the input end of the reducing device, the output end of the reducing device is connected to the spindle (1), the wheel body (3) is mounted on the spindle (1) and is provided with an annular groove (4), the annular groove (4) is arranged perpendicular to the spindle (1), and the cross section of the annular groove (4) is in arc shapes; the reducing device comprises a small gear (5), a large gear (6) and a box (7); the speed-adjustable steering wheel further comprises a controller connected to the motor (2). The speed-adjustable steering wheel has the advantages that structure is simple, usage is facilitated, bearing capability is high, and goods can be lifted in constant speed.

The invention provides an integrated structure liquid-electric composite brake aircraft carrier interceptor, comprising a hub type eddy current auxiliary brake with a plurality of sets of excitation coils distributed. The hub type eddy current auxiliary brake comprises a stator, a side cover and a rotor, the stator and the rotor are co-axially arranged, the stator is located outside the rotor, theside cover covers the two ends of the stator and the two ends of the rotor, coolant flow passages which communicate mutually are formed between the rotor and the side cover and between the rotor andthe stator, and the coolant flow paths form a hydraulic auxiliary brake. The invention overcomes the defects of the existing intercepting devices and provides the novel integrated structure liquid-electric composite brake aircraft carrier interceptor with high power density, simple structure, small size, low cost, convenient control, fast response speed and adjustable torque, and an intercepting system employing the interceptor.

The invention discloses a water flow detection device for detecting water flow status. The water flow detection device comprises a detection part and a stopping part, wherein the detection part can move under the action of water flow to reflect the water flow status, the stopping part is used for providing the detection part with acting force, the direction of which is opposite to the movement direction of the detection part under the action of the water flow, the magnitude of the acting force provided by the stopping part and/or the moment of force generated by the acting fore are/is adjustable. According to the water flow detection device provided by the invention, the stopping part can supply certain resistance to the movement of the detection part, the magnitude of the acting force provided by the stopping part to the detection part and/or the moment of force generated by the acting fore are/is adjustable, the detection part can move under the action of different water flows, so that the water flow detection device can be used in the water flows with different quantities of flow, and the sensitivity is guaranteed to be relatively high.

This invention discloses a bracket for correcting dentognathic deformity including a substrate plate, a bracket body, and two working wings. The bracket body has an arch wire groove, and the working wings are located at two sides of the arch wire groove. The working wings have a ligature wire locating trench, and each wing has a ligature wire locating groove, groove bottom central lines of the ligature wire locating grooves are located on a same straight line. The bracket body has a ligature hole vertical to the arch wire groove and penetrating through the bracket body, and a vertical distance from a bottom surface of the arch wire groove to an upper surface of the substrate plate is larger than a height of the ligature hole. The bracket further has a C-shaped movable lock accessory. The placement and removement of the movable lock is convenient, greatly reducing the operation time.

The invention provides power output equipment. The power output equipment comprises a hydraulic motor (3), a shielding cover (24), a sealing element (8) and an incompressible fluid (23), wherein the hydraulic motor is provided with a motor coupler (6), a power output shaft (7) and hydraulic oil pipes (4, 5); a support sleeve (10) is arranged at an open end of the shielding cover (24); the hydraulic motor (3) is accommodated in the shielding cover (24); the other end of the power output shaft (7) passes through the support sleeve (10); the sealing oil pipes (4 and 5) pass through the shieldingcover (24), and are sued for connecting a hydraulic station (22); the sealing element (8) is arranged between the support sleeve (10) and the power output shaft (7), so that an area, in which the hydraulic motor is accommodated, in the shielding cover (24) forms an enclosed space; the incompressible fluid (23) is located in the enclosed space; the enclosed space is fully filled with the incompressible fluid. The equipment provided by the invention is particularly suitable for high-pressure reaction kettles.