649results about How to "High output torque" patented technology

A permanent magnet rotor for a brushless electric motor, comprising at least two main magnetic poles, disposed on a periphery of a rotor. Each opening angle A covers N / 2 times the opening angle of each of the stator sections, with N being an odd number greater or equal to 3. A is required to be the nearest angle that is smaller than 360 / P degrees, with P being the number of poles. Each of the main magnetic poles has a periphery with a central section R1 and two end sections R2 R1has an opening angle A1. The opening angle A1 covers N / 2 times the opening angle of each of the stator sections, with N being an odd number greater or equal to 3. A1 is required to be smaller than the opening angle A of each of the main magnetic poles of the rotor. Each of the main magnetic poles contains a dual-plate permanent magnet.

The invention relates to industrial automation equipment, in particular to an automated manipulator. A four-degree-of-freedom servo manipulator comprises a lifting arm, a rotary arm, a telescopic boom, a torsional arm, a base and a gripper, wherein the lifting arm is fixedly connected to the base, and fixed on the ground; the gripper is fixedly connected to the output end of the torsional arm; the fixing plate of the telescopic boom is fixedly connected to a rotary cover plate; one end of the telescopic boom is fixedly connected to a vertical flange plate, and the torsional arm is fixedly connected to the vertical flange plate. The four-degree-of-freedom servo manipulator provided by the invention is applicable to machine manufacturing processes and achieves material transportation and transmission, the frictional resistance is small, the running is stable, the accuracy is high, the service life is long, the four-degree-of-freedom servo manipulator provided by the invention can be used for picking up workpieces, through the compact structure distribution of the four-degree-of-freedom servo manipulator, the external dimension can be effectively controlled, and a maximal running space can be obtained.

The invention relates to a driving axle for electric motor-driven vehicles provided with at least one electric motor mounted on the axle and drive shafts driven by the motor shaft thereof with a planetary gear step inserted therebetween, connected to the output shafts bearing the wheels resting on the drive axle with a braking device and another planetary gear inserted therebetween. The invention is characterised in that two controlled asynchronous motors (10, 11) are disposed on the axle, said motors working separately and being controlled by a common control in the working functions thereof. The motor shafts (13) of both asynchronous motors (10, 11) are connected respectively by the planetary gear step (15, 16, 17) to the drive shaft (19) driving the downstream output shaft (24).

The invention discloses a drilling device applied to graphite mold production. The drilling device comprises a frame and a drilling table; drilling longitudinal frames and a drilling transverse frame are arranged on the frame; the drilling longitudinal frames are positioned at the two sides of the frame; the drilling transverse frame is positioned between the drilling longitudinal frames, and is provided with a lifting driving mechanism and a lifting mechanism; the lifting mechanism includes lifting platforms and lifting lead screws; the lifting lead screws are mounted in the drilling longitudinal frames, and are connected with lifting lead screw connecting bases; the lifting lead screw connecting bases are connected with the lifting platforms; drilling mechanisms are arranged on the lifting platforms, and include drilling motors and drilling lead screws; the drilling motors are connected with drilling motor output shafts; the drilling motor output shafts are connected with drilling speed reducers; the drilling speed reducers are connected with the drilling lead screws; the drilling lead screws are connected with drilling bases; and the drilling bases are connected with drill rods. The machine is simple in structure, strong in pertinency, precise in positioning and excellent in drilling effect, and preferably solves the drilling problem in the graphite mold production.

The invention relates to a wheel-rim electric axle for an electric automobile, belonging to the technical field of motor-driven rear axle assemblies of passenger car chassises. The wheel-rim electric axle comprises a rear axle shell assembly, two water-cooling brushless direct-current permanent magnet motors, two rear axle main reducing gear assemblies, two rear axle wheel-rim reducing gear assemblies and the like. The invention changes the transmission direction and enlarges the torque to achieve the purpose of first-stage speed reduction by using the two high-torque water-cooling brushless direct-current permanent magnet motors to simultaneously drive the left and right rear axle main reducing gear assemblies, achieves the purpose of second-stage speed reduction by the rear axle wheel-rim reducing gears, and drives the entire wheel part by using a planetary wheel to drive the wheel-rim reducing gear shell and the rear wheel hub. The wheel-rim electric axle is applicable to various large electric passenger cars, achieves high transmission efficiency, omits the transmission case and the transmission shaft, can simultaneously realize the middle-engine rear-drive, and omits the electro-hydraulic controlled articulated driving device and the automatic gearbox. Besides, the invention overcomes the problems that the axle of the existing electric automobile has low transmission efficiency and the hub motor transmission structure can be only used for small cars such as sedans.

The invention discloses an engineering machine and a method for controlling the engineering machine. The engineering machine comprises an engine, a hydraulic pump, a hydraulic actuating mechanism and a control system, wherein the engine can drive the hydraulic pump which can supply high-pressure oil for the hydraulic actuating mechanism, the hydraulic actuating mechanism is used for driving corresponding components, the control system comprises an operating handle and a controller, and the hydraulic pump is a variable hydraulic pump; the controller can acquire the output power of the engine, external load and the adjustment range of the operating handle, and generate control signals according to a predetermined control policy; and the controller can adjust discharge capacity of the variable hydraulic pump through the control signals. The method for controlling the engineering machine comprises the following steps: firstly, acquiring the adjustment range of the operating handle, the external load and the output power of the engine; and secondly, adjusting the discharge capacity of the variable hydraulic pump according to actual working conditions. The engineering machine and the method for controlling the engineering machine can make load torque formed by the hydraulic pump matched with output torque of the engine.

The invention discloses a wearable type electric driving assisting exoskeleton lower limb mechanism. The mechanism comprises a left leg, a right leg, motor-decelerator driving systems, and a power supply module. The structure of the left leg is the same as the structure of the right leg. The left leg and the right leg are symmetrically arranged on two sides of a waist. The motor-decelerator driving systems are arranged on active driving joints of the left leg and the right leg respectively and are used for controlling the active driving joints. Through the movement cooperation of the hip joints, the knee joints and the ankle joints, walking is finished. The mechanism has five freedom degrees. The hip joints have three freedom degrees including bending / stretching, externally extending / internally withdrawing and internal rotation / external rotation movement. Each knee joint has one freedom degree of bending / stretching movement. Each ankle joint has one freedom degree of bending / stretchingmovement. In addition, by considering the condition that when a person walks, the back part swings since the back is not perpendicular to the ground sometimes, so one freedom degree of bending / stretching movement is arranged on the back part. The mechanism is characterized in that the mechanism is simple in structure, convenient to wear, adjustable in length and suitable for wearing of persons with different heights and weights and flexible movement of all joints of the exoskeletons.

A starter for an internal combustion engine is provided for improving the startability and reducing noise associated with starting. The starter for an internal combustion engine comprises an electric motor, an oil pump driven by the electric motor, an accumulator for accumulating an oil pressure pumped by the oil pump, a hydraulic actuator driven by the oil pressure accumulated in the accumulator, an oil pressure supply control valve for controlling the oil pressure supplied from the accumulator to the hydraulic actuator, a driven gear for rotation integral with a crank shaft of the internal combustion engine, a driving gear connected to the hydraulic actuator, and brought into mesh with the driven gear and driven by the hydraulic actuator when the internal combustion engine is started, an oil pressure sensor for detecting the oil pressure in the accumulator, and an ECU for controlling the electric motor based on the value of the oil pressure in the accumulator detected by the oil pressure sensor. The starter maintains the hydraulic actuator in a usable state irrespective of an operating condition of the engine to reduce a starting time, thereby making it possible to improve the startability and reduce the noise.

The invention relates to a single leg structure of an electric quadruped robot. The single leg structure comprises a hip joint, a knee joint, a thigh connecting rod, a shank connecting rod and a foot,the hip joint comprises a first hip joint body and a second hip joint body, the second hip joint body is connected with the power output end of the first hip joint body, the knee joint is connected with the power output end of the first hip joint body through the thigh connecting rod, the knee joint is in rigid connection with the second hip joint body, the power output end of the second hip joint body is connected with power input end of the knee joint through the transmission mechanism, the shank is fixedly connected to the power output end of the knee joint, and the foot is connected to the shank. According to the structure, the low quality and low rotating inertia of the thigh and the shank is guaranteed, the good motion performance is achieved, the structure is simple and compact, itis guaranteed that the knee joint and the hip joint of the single leg have the good reverse drive characteristic, and the single leg structure can be used for assembling the electric quadruped robotwhich is capable of bouncing and high in load deadweight ratio.

The invention discloses a full-automatic piercing apparatus applied to metal piece machining. The full-automatic piercing apparatus comprises a frame, a piercing platform and a piercing body; the piercing platform is located in the middle of the frame; the piercing body is mounted on an inner side of the piercing platform; a central through groove is formed in the center of the piercing platform; an intermittent rotating device is arranged in the central through groove; a loading platform and an unloading platform are arranged on the frame; a loading device is arranged on the loading platform, while an unloading device is arranged on the unloading platform; the loading device comprises a loading and conveying mechanism and a loading mechanism; the loading and conveying mechanism is connected with the loading mechanism and the loading mechanism is connected with the piercing platform; the unloading device comprises an unloading and conveying mechanism and an unloading mechanism; the unloading and conveying mechanism is connected with the unloading mechanism and the unloading mechanism is connected with the piercing platform. The apparatus is simple in structure, high in pertinence, high in piercing accuracy and good in piercing effect; automatic conveying and positioning are carried out, the entire piercing conveying operations are pipeline operations and the working efficiency is high; as a result, the piercing problem of metal piece machining is well solved.

The invention provides a full-hydraulic screw drilling machine, belonging to the piling machinery field. The drilling machine comprises a tracked chassis, an upper chassis, a mast, a power head, a main winch, a tool winch, a hydraulic power station, an operating room and a drilling tool system, wherein the upper chassis is arranged on the tracked chassis; the mast, the main winch, the hydraulic power station and the operating room are arranged on the upper chassis; the power head is arranged on the mast; the hydraulic power station is connected with hydraulic motors of the power head, the main winch, the tool winch, the tracked chassis and the like; the elevating device of the power head is connected with the main winch through a steel wire rope; and a rotation speed measurement and displacement measurement system for the screw drilling machine is connected with a central processing calculator and a speed setting controller to form a closed-loop control system. The full-hydraulic screw drilling machine of the invention has great output torque; the rotation speed and the feed speed of the power head can form a scaling transmission relationship, and the scaling relation can be subject to infinitely variable control; and the power head adopts total-stroke feed, thus being suitable for the construction processes of screw piles with multiple screw pitches.

A hybrid drive system configured to selectively establish one of a first drive mode in which a first motor / generator MG1 is operated with a drive force of an engine, to generate an electric energy and in which a vehicle drive force is generated primarily by a second motor / generator MG2, and a second drive mode in which the vehicle drive force is generated by the engine, and at least one of the first motor / generator MG1 and second motor / generator MG2 is operated to generate an assisting vehicle drive force, as needed, and further configured such that an amount of a working oil to be supplied to the first motor / generator MG1 is larger in the first drive mode than in the second drive mode, permitting sufficient cooling of the electric motor depending upon a selected one of the vehicle drive modes.

The invention discloses a double-overrunning-clutch shaft sleeve output taper sleeve type self-adaptive automatic gear shifting spindle assembly. The double-overrunning-clutch shaft sleeve output taper sleeve type self-adaptive automatic gear shifting spindle assembly comprises a spindle, a gear shifting system and a power output shaft sleeve, wherein the gear shifting system and the power outputshaft sleeve are arranged on the spindle. The gear shifting system comprises a low speed gear power input member, a reverse gear power input member and a self-adaptive gear shifting assembly; the reverse gear power input member has a transmission ratio I, the low speed gear power input member has a transmission ratio II, and the transmission ratio I is greater than or equal to the transmission ratio II; the double-overrunning-clutch shaft sleeve output taper sleeve type self-adaptive automatic gear shifting spindle assembly utilizes reasonable matching of two overrunning clutches, a reverse gear structure and a low speed gear mechanism reasonably set the transmission ratios, so that the overall structure is simple and compact, no interference occurs, the overall performance is ensured, thestability of the transmission is ensured, the shaft sleeve is used for outputting power, the output parts can be selected according to needs, and the double-overrunning-clutch shaft sleeve output taper sleeve type self-adaptive automatic gear shifting spindle assembly is not only suitable for the field of electric vehicles, but also suitable for other fields of variable torque mechanical transmission; and meanwhile, the shaft sleeve output can further ensure larger output torque.

The invention provides eccentric swing type planetary gear device, deformation of bridge sections in an externally toothed gear and of outer teeth is suppressed, and this extends the life of tooth surfaces of external teeth (19), improves vibration characteristics, and drastically increases output torque while preventing a planetary gear device (11) from becoming large in size. To achieve the above, a ratio obtained by dividing the diameter (D) of pins constructing internal teeth (14) by the pitch (P) of the internal teeth (14) is made smaller to an extent where the tooth tops (19a) of the external teeth (19) are radially outside the inner periphery (15a) of an internally toothed gear (15), or alternatively, a meeting point (C) where the lines (S) of action of reaction forces (K) as drive force components meet is moved more radially outward than a conventional position so as to be positioned between a pin circle (P) passing the centers of all the internal teeth (pins) (14) and an outer end passing circle (G) passing radially outer ends of through-holes (22), or further alternatively, the amount (H) of eccentricity of an externally toothed gear (18) relative to an internally toothed gear is set not less than 0.5 times the radius (R) of the internal teeth (pins)(14).

The invention relates to a compact AGV (Automated Guided Vehicle) driving and steering integrated device which comprises a diving module, an independent steering module and a transmission module, wherein the driving module comprises a driving motor and a driving wheel; the transmission module comprises a supporting seat and a secondary retarding mechanism; the secondary retarding mechanism comprises a transmission gear wheel and a gear shaft; the gear shaft is rotatably mounted in the supporting seat; the transmission gear wheel is fixedly mounted on the gear shaft; the gear shaft is provided with outer teeth; the outer teeth are meshed with an inner gear ring of the driving wheel; a thin-wall bearing is mounted in the driving wheel; an inner ring of the thin-wall bearing is fixedly mounted on the supporting seat; an outer ring of the thin-wall bearing is fixed on the driving wheel with the inner gear ring; a transmission pinion is mounted on an output shaft of the driving motor; the transmission pinion is meshed with the transmission gear wheel; the independent steering module is mounted on the supporting seat. The invention provides the compact AGV driving and steering integrated device which has a simplified structure, a reduced volume and excellent flexibility.

The invention discloses a full-casing full-rotation drilling rig, which relates to engineering machinery. Including power station, working device and auxiliary drilling tools. The power station is external, and the working device includes a base, a power support platform, a column, a lifting platform and a casing clamping device, and there is an outrigger cylinder in the base for leveling. Drawing cylinders, hydraulic motors, gearboxes, clamping cylinders and gear transmissions are the main devices that transmit power to the casing, driving the casing to rotate, rise and fall. Auxiliary drilling tools include casings of various specifications, grabs, multi-head grippers, etc. The full-casing full-rotary drilling rig has four main actions: leveling, clamping, turning, pressing and pulling. The engine in the power station drives a number of hydraulic pumps, which are connected to the working device through hydraulic hoses and transmit the power to the corresponding actuators.

The invention discloses an all-dimensional close-range seed implantation robot for the prostate and relates to the field of medical instruments. The robot is composed of a position adjustment mechanism, a cross joint gesture adjustment mechanism, an ultrasonic image navigation module, a seed implantation module and an operation table cart; by controlling a motor, the position and gesture of an ultrasonic probe can be adjusted, feeding and rotation motion around the axis of the ultrasonic probe are achieved, and a series of sequence ultrasonic images are obtained; under guide of the ultrasonicimages, by controlling the seed implantation module, the radioactive seed implantation treatment operation for the prostate cancer is completed. According to the robot, the defects can be overcome that in the traditional seed implantation operation process, due to the fatigued operation of doctors, the positioning precision and stability of manual operation are low, and the treatment process depends on the personal experience of the doctors. The operation efficiency and seed implantation precision are improved.

The invention relates to an integrated driving device for a two-level electric vehicle. The integrated driving device is composed of a driving motor, a transmission and a differential mechanism. The transmission comprises an input shaft and an intermediate shaft. An intermediate shaft gear, a first-level reduction gear, a synchronizer and a second-level reduction gear are sequentially arranged on the intermediate shaft from right to left. A first spline, a second spline, a first-level gear and a second-level gear are sequentially arranged on the input shaft from right to left. An output shaft of the driving motor is connected to the first spline of the input shaft of the transmission. The second spline is fixedly sleeved with a parking gear. The first-level reduction gear is meshed with the first-level gear. The second-level reduction gear is meshed with the second-level gear. The second-level reduction gear and the differential mechanism are integrated. The second-level reduction gear is fixedly arranged on a differential mechanism shell in a sleeving mode and meshed with the intermediate shaft gear. Two axle shaft gears are fixedly into the differential mechanism shell. The axle shaft gears are connected with vehicle axle shaft splines. The integrated driving device has the advantages of being compact in structure and high in integration, and the performance of the electric vehicle is greatly improved.

The invention relates to a large-torque multifunctional shimmy tester for testing an elastic shaft coupling and detecting the relevant parameters comprising a dynamic damping coefficient, a static damping coefficient, rigidity, durability (fatigue life) and the like of the elastic shaft coupling. The tester comprises a hydraulic servo system, measurement and control hardware, measurement and control software, a force / motion switching mechanism, a sensor detecting device and a connecting device. The tester is characterized in that a hydraulic cylinder is connected with the force / motion switching mechanism based on the spiral transmission of balls through a connecting device, and the straight reciprocating motion of a piston rod is switched to the left and right reciprocating swing of an output member so that static and dynamic torsion swing tests on the elastic shaft coupling are realized; the hydraulic cylinder can also be directly connected with the elastic shaft coupling through the connecting device so that axial and radial pull-press tests on the elastic shaft coupling are realized; and the output torque of the tester is 0-30 kN.m, the output force of the hydraulic cylinder is 0-150 kN, the frequency is 0.12 Hz, the values of the tester can be controlled and regulated, and the precision of the tester is 1%.

An independent suspension mechanism for an omni-directional mobile platform includes two symmetrically arranged mecanum wheels, driving devices are connected to the inner sides of the mecanum wheels,and damping mechanisms are connected to mounting brackets at the outer sides of the mecanum wheels; spring guide rods are arranged at both sides of reduction gears, the top portions of the spring guide rods are connected with a car body mounting plate, and the bottom portions of the spring guide rods are connected with the mounting brackets, and the middle of the spring guide rods are sleeved withfirst rectangular cross-section springs; and a closed structure is formed by the two mecanum wheels through the car body mounting plate, the mounting brackets, and a connecting plate. According to the independent suspension mechanism for the omni-directional mobile platform, the pressure can be adjusted according to the load and ground conditions under multiple different environmental conditions,the influence of the ground on the running process of the mecanum wheels can be reduced, and the phenomenon of suspension of a certain group of wheels due to the unevenness of the ground is avoided;and the independent suspension mechanism for the omni-directional mobile platform has the advantages of stable operation of the platform, strong ability to overcome obstacles, and high bearing capacity.

The invention discloses an integrated rotation driving executor which comprises a motor, a coaxial speed reducer and a shaft flange. The motor is provided with a motor encoder and driven by a driving circuit board. The input end of the coaxial speed reducer cooperates with the motor. The coaxial speed reducer is provided with a speed reducer encoder. The shaft flange is an output shaft provided with a flange plate. The flange plate cooperates with the output end of the coaxial speed reducer. The output shaft outputs a rotation signal. When the driving executor works, the driving circuit board drives the motor, the rotating speed of the motor and the rotating speed of the output end of the coaxial speed reducer can be obtained through the encoders, the rotating speeds can be adjusted through the driving circuit board according to the rotating speed condition, and precise control can be achieved. According to the driving executor, a driver, the motor, the encoders and the coaxial speed reducer are integrated into a small and flexible whole, and mounting and using convenience is improved. The driving executor is compact in structure, small in size, large in output torque, easy to control, high in control precision and high in safety.

The present invention relates to a multi-motor driving structure of motor vehicle, and comprises a motor, a wheel hub shell, a wheel hub end shield and a motor shaft. The wheel hub end shield is fixedly connected with the wheel hub shell; the center of the wheel hub end shield is provided with a motor shaft hole; the motor shaft passes through the central shaft holes of two end shields; the motor is fixed on the motor shaft; the structure is provided with a plurality of motors, which are symmetrically arranged along the motor shaft; the motors comprise a shell, a stator and a rotor; the stator is fixedly connected with the shell; the shell and the stator are fixedly connected with the motor shaft; the rotor is positioned in the shell by a bearing and is arranged in the stator; the output shaft of the rotor is connected with a one-way bearing; an idle wheel is sleeved on the motor shaft by a bearing housing, and meshes the one-way bearing; the inner side of the right end shield is provided with a ring gear; and the inner teeth of the ring gear meshes the one-way bearing. The multi-motor driving structure can increase the running mileage of the motor vehicle and increase the output torque.

The invention relates to a center shaft type electromobile motor, which comprises a casing, a rotor, a stator, a retarding mechanism and a clutch. The center shaft type electromobile motor is characterized in that a first inner ring of a first clutch is fixedly connected with a center shaft, the first inner ring can do a unidirectional rotation, which is opposite to a pedal direction, relative to a first outer ring, the first outer ring is connected with a chain wheel, and a spring abuts against one end of a rolling column so as to ensure that the rolling column is provided with a trend to move to a small end of an open slot all the time; a second outer ring of a second clutch is connected with an output end of the retarding mechanism, the inner wall of the second outer ring is provided with a wedge-shaped slope along a circumferential direction, an end face of a second inner ring is also provided with a ratchet along a circumferential direction, and the ratchet and the wedge-shaped slope are matched to enable that the second outer ring can only do a unidirectional rotation, which is opposite to the rotation direction of the rotor, relative to the second inner ring. Compared with the prior art, by adopting a combined type bidirectional clutch, the invention can not only realize the function of motor driving or pedaling respectively, but also can realize the simultaneous work of the motor driving and the pedaling, thereby realizing output power superposition and ensuring that an electromobile saves electric assistance during running.

The invention discloses a pressurization method and system for an engine. The method includes the steps of obtaining the target pressurization pressure and the actual pressurization pressure in front of a throttle valve of the engine; closing a bypass valve of an electronic turbocharger and measuring the inlet pressure of the electronic turbocharger when the difference value between the target pressurization pressure and the actual pressurization pressure in front of the throttle valve of the engine is greater than the preset pressure difference threshold value; according to the inlet pressure and the target pressurization pressure of the electronic turbocharger, obtaining the target pressurization ratio of the electronic turbocharger; according to the target pressurization ratio of the electronic turbocharger and a pre-stored corresponding relation table of the pressurization ratio and the rotation speed of the electronic turbocharger, determining the target rotation speed of the electronic turbocharger; and according to the target rotation speed, controlling the electronic turbocharger to pressurize the engine. According to the pressurization method and system, when the actual pressurization pressure cannot reach a target value fast, the electronic turbocharger can pressurize the engine, and therefore the power acceleration performance of vehicles can be improved, and turbine lag can be reduced.

The invention discloses a coaxial-type double-power coupling device and a driving system of a hybrid electrical vehicle. An internal combustion engine, a clutch, a speed-regulating motor, a planetary gear set and a torque output shaft are installed on the same axial line in sequence; and the output shaft of the internal combustion engine is connected with the clutch, and the output shaft of the clutch penetrates the hollow structure of a rotor of the speed-regulating motor to be concentrically connected with the torque output shaft; and the rotor of the speed-regulating motor is coaxially connected with a sun gear of the planetary gear set and a planet carrier of the planetary gear set is connected with the torque output shaft in a transmission manner. When the electric vehicle is started or runs at a low speed, a tandem type hybrid driving system is formed; when the electric vehicle runs at a medium speed or at a high speed, a power direct-driving system of the internal combustion engine is formed; and when the electric vehicle runs with high power, for example, accelerating or climbing on a slope, a parallel type hybrid driving system is formed. The invention has the advantages that the speed-regulating motor is connected with the torque output shaft in a transmission manner through the speed reduction of the planetary gear set, therefore, the output torque of the motor drive can be increased.

The invention relates to an electric riveting tool used in the technical field of machines. The tool is composed of an outer cover, a trigger, a rivet pulling system, a lead screw transmission system, a planetary gear speed-reducing system and a power motor assembly. A spring sleeve is connected with the front end of a ball lead screw, the planetary gear speed-reducing system is fixed to a lead screw nut through a connection shaft, the power motor assembly is connected with the planetary gear speed-reducing system, a nail collecting cylinder is arranged at the rear end of the power motor assembly, a discharging pipe penetrates through a motor shaft and the planetary gear speed-reducing system and then is arranged outside a core ejector pipe in a sleeving mode, the outer cover is provided with a circuit board, the trigger and a stroke control plate, the circuit board is connected with a motor and the stroke control plate through control lines, the stroke control plate is provided with an inductor, a rolling wheel positioning block is provided with a magnet, and the inductor is located on the lower portion of the magnet. The tool is strong in power, can be used for work indoors and outdoors, is used in a handheld mode, accords with the principle of ergonomics, makes full use of tool space, can be used for pulling rivets of different specifications and is high in applicability, and waste nail rod discharging is easy.

The invention discloses a self-adaptive automatic transmission for dual-overrunning-clutch shaft sleeve output. The self-adaptive automatic transmission comprises a speed control system, and a power output shaft sleeve which is rotatably matched with a main shaft in a sleeving mode, wherein the speed control system comprises a low-speed-gear transmission mechanism, a gear reversing transmission mechanism and a self-adaptive transmission assembly; and the gear reversing transmission mechanism is provided with a transmission ratio I for transmitting gear reversing power to the main shaft from asecondary shaft, and the low-speed-gear transmission mechanism is provided with a transmission ratio II for transmitting low-speed-gear power to the main shaft from the secondary shaft, and the transmission ratio I is greater than the transmission ratio II. Two overrunning clutches are reasonably matched, and the transmission ratios are reasonably set for the gear reversing mechanism and the low-speed-gear mechanism, so that the integral structure is simple and compact, interference is avoided, integral performance of the self-adaptive automatic transmission is guaranteed, and transmission stability is guaranteed; power is output by the shaft sleeve, and an output part can be selected according to the needs, so that the self-adaptive automatic transmission is suitable for the field of electric vehicles, and is also suitable for other variable-torque mechanical transmission fields. Meanwhile, the shaft sleeve output further can guarantee a relatively great output torque.

A high-precision AGV driving and steering integrated device comprises a driving module and an independent steering module, wherein the driving module comprises a driving wheel, a traveling motor and aresolver; the integrated device further comprises a transmission module; and the transmission module comprises a support seat and a two-stage deceleration mechanism, wherein the independent steeringmodule is mounted on the support seat. The AGV driving and steering integrated device comprises a driving wheel, a traveling motor and a resolver. The steering reducer is installed vertically parallelto the steering motor, which greatly reduces the height between the independent steering module and the ground, and reduces the requirement of AGV for road smoothness. the invention also provides a high-precision AGV driving and steering integrated control method. The invention provides the high-precision AGV driving and steering integrated device with good flexibility, simplified structure, goodstability and easy control and a control method thereof.

The invention provides an overhead high tension transmission line tensile wire clamp drainage crab bolt fastener. The fastener comprises a driving motor and a transmission case, wherein the transmission case comprises a transmission mechanism connected with the driving motor for transmitting torque, a butt joint mechanism used for aligning and cooperating with a bolt, and a buffer mechanism used for partially pressing a nut. According to the invention, the requirement for a work arm is quite low, the operation is simple and convenient, the fastener can be applied to a fastening tensile wire clamp drainage crab bolt and can also fasten bolts of other hardware fittings, what is needed is only to replace an internal hexagonal sleeve according to the models of the bolts, the mounting and dismounting of the internal hexagonal sleeve are convenient, and the practical value is quite high.