172 results about "Traction drive" patented technology

An autonomous transport robot for transporting a payload, autonomous transport robot including, frame with integral payload support that has a payload seat surface defining a payload datum position that determines predetermined payload position relative to autonomous transport robot, transfer arm connected to the frame and configured for autonomous transfer of payload to and from the frame, one caster wheel mounted to frame, drive section with a pair of traction drive wheels astride the drive section, drive section being connected to the frame, wherein the one caster wheel and one traction drive wheel of the pair of traction drive wheels roll, on a rolling surface effecting autonomous transport robot traversal over the rolling surface, each having a fully independent suspension, and are disposed on the frame astride the integral payload support so that the payload seat surface at the payload datum position is disposed at minimum distance above the rolling surface.

The invention relates to wire and cable tensile strength automatic detection equipment, and relates to the technical field of material performance detection. A machine table serves as a basic supporting structure, a driving assembly is arranged on the machine table to provide linear driving power, and a displacement detection assembly monitors a tension value in real time; the clamping device clamps the wire cable through cooperation of a swing arm, a supporting ring, a pressing ring and other parts, the bonding assembly can extrude glue for further fixing during clamping, and the air injection assembly accelerates drying and fixing of the glue. The driving assembly is composed of a traction driving motor, a driving gear, a screw rod and the like. The displacement detection assembly is composed of a tension sensor and a tension spring. The device achieves the technical effects of accurately and reliably detecting the tensile strength of the electric wire and cable, and improving the detection stability and accuracy through glue adhesion and air injection accelerated drying.

An elevator tractive drive system including a plurality of wheels coupled to an elevator cab. The plurality of wheels are configured to compress into one or more shaft-mounted rails and / or one or more interior shaft wall surfaces. The plurality of wheels are powered by one or more motors coupled to a transmission configured to deliver regulated torque to the plurality of wheels. The system includes various sensors to measure parameters related to kinematics of the cab and / or the plurality of wheels, parameters related to a mass or a weight of the elevator cab and any payload and / or parameters related to compressive forces generated at a wheel-rail or wheel-shaft interface. A controller is configured to receive input from each of the sensors and activate the at least one actuator and / or motors, to generate or adjust regulated compressive force and associated tractive force delivered at the wheel-rail interface and / or the wheel-shaft interface.

The utility model discloses an angle module for traction and steering of a wheeled robot, which relates to the technical field of robot running parts, and comprises a vehicle body bracket and tires at four corner ends, a mounting shell is arranged above the tires, an angle module is arranged on the side of the tires, and the angle module comprises a traction module and a steering module. A traction motor in the traction module is connected with a traction rotating shaft through a speed reducer, a driving shaft and other parts to drive tires to rotate, and the axis of the traction driving shaft is coplanar with tire landing points; the steering module achieves steering through a steering motor and other components. The vehicle body support comprises a central framework, a bridge frame and modular bridges, one modular bridge is connected with the weeding module, and the other modular bridge is provided with a self-adaptive suspension and a suspension optical axis. The angle module solves the problems of power transmission, steering performance, structural stability and the like of an existing angle module, and has the advantages of being efficient, flexible, stable, universal, good in environmental adaptability and the like.

A robotics corner module includes a steering drive unit, a traction drive unit, and an intermediate assembly. The steering drive unit includes an output shaft configured to be rotationally driven about an output shaft axis. The traction drive unit includes a wheel configured to be rotationally driven about a wheel hub axis. The intermediate assembly extends between the steering drive unit and the traction drive unit and includes a support structure and a cooling system. The support structure is operably coupled to the output shaft and the traction drive unit, such that rotation of the output shaft about the output shaft axis drives rotation of the intermediate assembly and the traction drive unit about the output shaft axis. The cooling system includes a radiator mounted to the support structure and a fan mounted to the support structure and configured to deliver air to the radiator.

The utility model relates to the technical field of coating, in particular to coating equipment. The coating equipment provided by the utility model comprises an unwinding mechanism, a traction mechanism and a winding mechanism, the unwinding mechanism is used for releasing a base material, the traction mechanism is positioned at the downstream of the unwinding mechanism, the traction mechanism comprises a traction roller and a traction driving piece, the traction roller is a rubber roller, and the base material passes through and is wound on the traction roller; the output end of the traction driving part is in transmission connection with the traction roller, the traction driving part is used for driving the traction roller to rotate, the winding mechanism is arranged on the downstream of the traction mechanism and comprises a winding roller, a smoothing roller and a winding driving part, the output end of the winding driving part is in transmission connection with the winding roller, and the winding driving part is configured to drive the winding roller to rotate; and the base material is wound around the smoothing roller and is wound on the winding roller. The coating equipment can transport a base material at a constant speed, and the production quality is improved.

A medical system includes a manipulator assembly that includes a traction drive for driving a flexible elongate device of a medical instrument along an insertion axis of the manipulator assembly. The traction drive is configured to form a detection zone that imprints a mechanical signature on the flexible elongate device. The manipulator assembly further includes a shape sensor configured to measure a shape of the flexible elongate device and a control system coupled to the manipulator assembly. The control system is configured to identify, using the shape sensor, the mechanical signature at a location of the flexible elongate device, and determine, based on the location, a spatial relationship between the flexible elongate device and the traction drive.

The invention relates to the technical field of pipe penetrating traction, in particular to a simple pipe jacking and penetrating traction device which comprises a main frame body, and a fixing base frame and a traction driving support are arranged on a frame plate face of the main frame body. A hollow guide cylinder is arranged on the fixed base frame and is provided with an inner channel, one end of the guide cylinder is provided with a pipe jacking inlet, the other end of the guide cylinder is provided with a rear part, the rear part is provided with a traction guide bushing, one end of the traction guide bushing extends into the inner channel and is provided with a traction access port, and the other end of the traction guide bushing is connected with a rod body guide cylinder. The traction rod is arranged in the rod body guide cylinder in a penetrating mode, and the traction end of the traction rod stretches into the inner channel through the traction access port and is detachably connected with the top pipe in the inner channel. A middle-position supporting frame is arranged on the traction driving support, a traction base is installed on the middle-position supporting frame, and the pulling end of the traction rod is connected with the traction base. Meanwhile, the traction driving mechanism is arranged on the side edge of the traction driving support, the jacking pipe can be driven to directionally move in the inner channel of the guide cylinder through linkage of the traction base and the traction rod, and accurate traction pipe penetrating of the jacking pipe is achieved.

An actuator comprises a sun wheel roller (104), a planet wheel roller (102), an auxiliary roller (103) and a fixed gear ring (101), the sun wheel roller (104) is located in the center, and the fixed gear ring (101) is located outside all elements. The auxiliary roller (103) is positioned between the planet wheel roller (102) and the fixed gear ring (101), and the planet wheel roller (102) is in contact with the sun wheel roller (104), the auxiliary roller (103) and the fixed gear ring (101), characterized in that the sun wheel roller (104), the planet wheel roller (102), the auxiliary roller (103) and the fixed gear ring (101) all have a truncated cone geometry or a truncated cone geometry. According to the invention, a transmission device is realized, which provides a simple method for changing the pre-tightening force on the rolling contact element, thereby providing an effective means for improving the torque density and the mechanical efficiency of the transmission device.

The invention provides auxiliary docking equipment for hangar steel structure welding. The auxiliary docking equipment comprises a machine base assembly and a prying frame mechanism, and the machine base assembly comprises a center machine base, four side machine bases and four U-shaped sliding frames; the four side machine bases are symmetrically arranged on the outer side wall of the center machine base. A spherical joint is fixed through the synchronous ball clamping mechanism in a clamping mode, the stability of the spherical joint in the welding operation process is improved, the requirement for the surface flatness of the spherical joint can be effectively lowered, then a rod piece is preliminarily clamped through the lifting type rod clamping mechanisms arranged on the four U-shaped sliding frames, and the welding quality of the spherical joint is improved. The split traction mechanism pulls the U-shaped sliding frame to move synchronously through the power of the traction driving mechanism, so that the U-shaped sliding frame drives the rod pieces to be in synchronous butt joint with the spherical joint, it is ensured that the positions of the rod pieces on the equipment are relatively unified, then the rod pieces are clamped and fixed secondarily through the lifting type rod clamping mechanism, and therefore the spherical joint is clamped and fixed. And subsequent welding operation is facilitated.

The application relates to a rotary traction device for a low-voltage small-cable stranding single-stranding machine, and belongs to the technical field of cable production equipment. The rotary traction device comprises a rack, a main rotary body rotatably arranged on the rack, a main rotary driving motor arranged at one end of the rack, and a main rotary transmission assembly for driving the main rotary body to rotate by the main rotary driving motor. A cable core traction mechanism and a cable core pressing mechanism are arranged on the main rotary body. A traction motor is arranged on the main rotary transmission assembly. A traction transmission assembly is arranged between the traction motor and the cable core traction mechanism. The traction motor drives the cable core traction mechanism to operate through the traction transmission assembly. The main rotary driving motor and the traction driving motor are fixed on the non-rotating rack, so that the problems of severe vibration, bearing overload, lubrication difficulty and dynamic balance caused by high-speed rotation of the motor with the main rotary body are completely eliminated. The main rotary body operation stability is greatly improved, the service life of bearings and other key components is prolonged, and the failure rate is fundamentally reduced.

The invention relates to the technical field of hybrid power vehicles, and discloses an energy control method of a hybrid power carrier vehicle, which comprises the following steps: step 1, acquiring a driving demand torque, a brake pedal opening degree, a vehicle speed, a battery charge state and a super capacitor voltage, and generating a door control signal; step 2, determining a unique working mode of the vehicle based on the door control signal; step 3, in a traction driving mode, calculating traction power demand, and determining a power amplitude limiting rule; step 4, generating output power of the engine and the motor; 5, determining a charging power target of the energy storage system, and generating a total output power instruction of the engine; step 6, generating a recovery power instruction in the recovery mode; and step 7, summarizing the charging power target and the recovery power instruction, generating a charging power instruction and processing the residual power. The energy utilization efficiency of the hybrid power carrying vehicle is improved.

The application discloses a handheld master-slave isomorphic surgical actuator driving device, which comprises a master controller, a transmission box and a slave actuator. The master controller and the slave actuator adopt a master-slave isomorphic structure. The master controller is arranged on one side of the transmission box and is provided with six master traction driving wires. The slave actuator is arranged on the other side of the transmission box and is provided with slave traction driving wires corresponding to the master traction driving wires one by one. Six transmission rotating wheel groups are installed in the transmission box, and the master traction driving wires and the slave traction driving wires corresponding to each other are drivingly connected through each transmission rotating wheel group. The movement of the slave actuator is accurately controlled by the master controller through a master-slave isomorphic control mode, so that high-precision surgical operation is realized. The driving device realizes efficient cooperation between the operator and the actuator through the master-slave isomorphic control mode, and ensures high precision, high flexibility and high safety of the surgical operation.

The utility model relates to the technical field of winch traction driving, in particular to a rectangular frame adaptively connected with a winch, which comprises a reaming groove arranged in the middle of a vertical groove, the inner diameter of the reaming groove is larger than the width of the vertical groove, a through hole block is arranged in the middle of the reaming groove, and semi-arc blocks attached to the arc inner wall of the reaming groove are elastically mounted on two sides of the through hole block. The device has the advantages that the height-adjustable connecting frame is arranged at the end of the frame, the height of the connecting position is adjusted, a traction rope is parallel to the running direction, the through hole block and the semi-arc blocks which are elastically installed are matched, the height of the traction rope can be adjusted, and therefore the traction rope can be conveniently and rapidly moved, and the service life of the traction rope can be prolonged. Therefore, the deviation direction of the traction rope is judged according to the position height of the traction rope, accurate adjustment is facilitated, and stable traction driving between the rectangular frame and the winch is guaranteed.

The utility model belongs to the technical field of endoscopes, and particularly relates to a super-long bent angle structure of an endoscope. Comprising a snake bone formed by sequentially hinging a plurality of snake bone joints; the camera end part is arranged at the far end of the snake bone; the insertion tube is arranged at the near end of the snake bone; the traction line is circumferentially arranged in the snake bone and penetrates through a traction hole in the inner wall of the snake bone, one end of the traction line is connected with one snake bone joint located at the far end, and the other end of the traction line is connected with a traction driving mechanism; wherein each pull wire is formed by connecting two steel wire ropes with different rigidities end to end. According to the snake bone joint, the two steel wire ropes with different rigidities are connected end to end to form the pull wire, and the rigidity can be reduced by selecting the thinner steel wire rope, so that the bending angle of the snake bone joint is increased.

The utility model relates to the technical field of printing equipment, and particularly discloses a multifunctional composite cold stamping device. Comprising a rack, a plurality of cold-ironing flexographic printing seats and a first traction driving part, the cold-ironing flexographic printing seats are arranged on the rack and connected in sequence, the first traction driving part is used for pulling a first composite material to move forwards, a skip printing seat is arranged on the rack and provided with an inner ring frame body and an outer ring frame body, and the inner ring frame body is located between the outer ring frame body and the cold-ironing flexographic printing seats; the outer ring frame body is provided with a plurality of first traction rollers for pulling the first composite material; the inner ring frame is provided with a discharging shaft used for containing a second composite material, a discharging driving piece used for driving the discharging shaft to rotate, a second traction roller used for pulling the second composite material and a second traction driving piece used for driving the second traction roller to rotate. A composite pressing roller is arranged on the machine frame and located behind the cold-ironing flexographic printing bases. According to the utility model, the composite cold ironing mechanism comprising the skip printing seat is arranged, so that the double-layer laminating process can be completed in the same device, and the production efficiency is improved.

The present disclosure relates to a choke system for reducing common mode current in an AC drive system. The present disclosure addresses common mode current and bearing current in an alternating current (AC) drive system by using an AC choke assembly integrated with a shielded coaxial electrical cable. This design weakens common mode current and ensures electromagnetic compatibility. The AC choke assembly includes a magnetic core with an axial bore that receives a coaxial electrical cable. The cable is surrounded by a metal housing and insulated by a dielectric separator. An optional dielectric outer cover may further insulate the metal housing. Thermal interface pastes may be used to maximize heat transfer between layers of an AC choke. One side of the metal housing is connected to the first set of coaxial cable shield ends, or the other side may be connected to a traction drive unit (TDU) or a traction power inverter module (TPIM). Alternatively, the AC choke may be located in a middle section of the coaxial cable.

The invention relates to a method for controlling an electric traction drive machine of an electric motor vehicle drive, wherein a torque and a rotation speed of the traction drive machine is variably adjusted using a drive converter, in a drive mode of the motor vehicle the traction drive machine is operated as a motor and generates a drive torque by way of which drive wheels of the motor vehicle are driven, in a braking mode of the motor vehicle the traction drive machine is operated as a generator via the drive wheels of the motor vehicle and generates a braking torque by way of which the drive wheels of the motor vehicle are braked; for controlling the rotation speed of the traction drive machine, the current rotation speed of the traction drive machine is detected or calculated and is fed to the drive converter as an actual rotation speed, wherein the actual rotation speed is generated by smoothing the current rotation speed, and in the braking mode the braking torque is adjusted as a function of the actual rotation speed and / or the current vehicle speed. The method according to the invention is characterized in that in the braking mode the braking torque is additionally adjusted as a function of an at least indirectly detected current vehicle deceleration.

The utility model relates to the technical field of electric tractors, in particular to a two-wheel drive pure electric tractor which comprises a frame, front wheels are arranged on the two sides of the front portion of the frame respectively, and rear wheels are arranged on the two sides of the rear portion of the frame respectively. A gearbox is fixedly arranged on the rear portion of the frame, the output end of the gearbox is in transmission connection with the two rear wheels, a traction driving motor and a PTO driving motor are fixedly arranged on the gearbox, and the traction driving motor and the PTO driving motor are in transmission connection with the gearbox. A battery pack is fixedly arranged on the front portion of the frame, a battery control assembly is fixedly arranged on one side edge of the middle of the frame, and a hydraulic power motor is fixedly arranged on the other side edge of the middle of the frame. The transmission device has the advantages that the traction driving motor and the PTO driving motor are rigidly connected to the gearbox, no transmission shaft exists, the structure is compact, the positioning precision is high, and a transmission system is simple in structure and high in transmission efficiency.

The utility model discloses a sugarcane impurity removing equipment relates to agricultural machinery equipment technical field, including traction drive arrangement and impurity removing car, and traction drive arrangement is connected with impurity removing car, the chassis of impurity removing car is equipped with big hook arm, push -plate, big cylinder of sorting, tail cutting tool rest, rotary conveying frame and leaf stripping box, and the bottom of big hook arm is rotatably installed on the chassis, and the other end of big hook arm is equipped with big hook claw, the one side of push -plate is rotatably provided with big cylinder of sorting on the chassis, and the other side of big cylinder of sorting is provided with sorting baffle, and the below of sorting baffle is equipped with rotary conveying frame, and the top of rotary conveying frame is provided with tail cutting tool rest, and the other end of rotary conveying frame rotatably assembles on the chassis, and the outside end of chassis is provided with leaf stripping box, and the sugarcane is sent to leaf stripping box after the rotation of rotary conveying frame. The sugarcane impurity removing equipment is whole pole after the leaf stripping processing of sugarcane, and there is no loss of sugarcane juice, and there is no fragment loss, and the loss rate problem of mechanized sugarcane harvesting is reduced fully.

The invention discloses a control method, device and equipment for a dual-engine vehicle and a storage medium, and the method comprises the steps: collecting the current operation parameters of the vehicle, and determining a target engine mode matched with the vehicle according to the operation parameters; the vehicle is switched to run in the target engine mode; and when the vehicle runs in the double-engine mode, the actual temperature of each engine is obtained, power distribution is conducted on each engine according to the actual temperature, and dynamic control is conducted on the target engine mode according to the reverse supporting power of the central traction driving motor. The vehicle is switched to run in the target engine mode, so that each engine is always in an effective running area, and the consumption of fuel oil is reduced; under the double-engine mode, the power of each engine can be reasonably distributed according to the actual temperature; under the downhill working condition, the reverse supporting power generated by the central driving motor can serve as an effective basis for dynamic control over the target engine mode, and therefore the overall energy-saving effect is achieved through operation control over the vehicle.

A medical system includes a manipulator assembly including a traction drive device for driving a flexible elongate device of a medical instrument along an insertion axis of the manipulator assembly. The traction drive device is configured to form a detection zone that imprint a mechanical feature on the flexible elongate device. The manipulator assembly further includes a shape sensor configured to measure a shape of the flexible elongate device; and a control system coupled to the manipulator assembly. The control system is configured to identify a mechanical feature at a location of the flexible elongate device using the shape sensor, and determine a spatial relationship between the flexible elongate device and the traction drive based on the location.

The magnetoelectric hybrid elevator comprises an elevator shaft, a set of car guide rails, a set of counterweight guide rails, a car mechanism and a counterweight mechanism are arranged in the elevator shaft, the car guide rails and the counterweight guide rails are permanent magnet guide rails, the permanent magnet guide rails serve as linear motor stators, and the two sides of the car mechanism are movably matched with the car guide rails through guide shoes. Linear motor rotors are arranged on the two sides of the counterweight mechanism and the guide shoe; a permanent magnet synchronous traction machine and a controller are arranged at the top of the elevator shaft, a steel wire rope is wound on a traction wheel of the permanent magnet synchronous traction machine and connected with the lift car mechanism and the counterweight mechanism, and the controller is electrically connected with the permanent magnet synchronous traction machine, a linear motor rotor on the counterweight mechanism and a linear motor rotor on the guide shoe. A traditional traction type driving mode and a magnetic suspension driving mode are combined, driving modes under different operation scenes are achieved, the service life of an elevator is prolonged, and the operation reliability of the elevator is improved.

The traction driving device based on the traction cable comprises the traction cable, a driving assembly, a guiding assembly and a traction plate, the driving assembly and the guiding assembly are sleeved with the traction cable, and the driving assembly can drive the traction cable to move around the guiding assembly; the traction plate is placed on the traction cable, the traction cable comprises a traction part and a supporting part, the traction part is connected with the traction plate, and the supporting part is used for supporting the traction plate; when the driving assembly drives the traction cable to move, the traction part can pull the traction plate to move; the buffer module is located between the driving assembly and the guide assembly and located below the traction cable; a first guide groove of an arc-shaped structure is formed in the side, close to the traction cable, of the buffer module and used for containing the traction cable, and the traction cable can move in the first guide groove. The device comprises the buffer module, the buffer module can prevent the traction plate from colliding with the driving assembly, damage caused by collision of the driving assembly and the traction plate is avoided, and meanwhile the device is more flexible.

The present invention relates to a method for controlling the power of an electric motor drive (8) of a commercial vehicle (4) which is attached to a tractor (2) equipped with a drive system (6). In order to adapt the drive power (22) of an electric motor drive (8) of a commercial vehicle (4) attached to a tractor (2) to the drive power (20) of the traction drive (6) of the tractor (2), it is proposed to use a vibration sensor (24) to determine the current drive power (20) of the traction drive (6) of the tractor (2), which detects the vibrations generated by the internal combustion engine of the tractor (2) and transmits the vibrations detected by the vibration sensor (24) as an input signal (26) to a control device (18) which has an algorithm (28) for evaluating the input signal (26), which determines a value from the input signal (26) that is used in determining a value representing the current drive power (20) of the tractor (2).

The invention discloses an automatic sealing and cutting-off mechanism for a packaging bag for a water-free freezing environment-friendly closestool, the mechanism comprises a mounting seat, a traction assembly and a sealing and cutting-off assembly, the mounting seat is arranged right below a discharge port of a closestool liner, and the closestool liner is sleeved with the packaging bag for collecting excrement; the traction assembly comprises a traction driving part and a rotary pull-down part, and the traction driving part is suitable for driving the rotary pull-down part to generate downward traction force so as to pull the packaging bag downwards; the sealing and cutting-off assembly comprises a sealing driving part, a folding part, a hot melting part and a cutter part, the sealing driving part is located below the traction driving part, the folding part is arranged between the traction driving part and the sealing driving part in a sliding mode, and the hot melting part and the cutter part are located under the folding part; and the cutter part is mounted on the hot melting part. The problems that according to an existing switching mechanism, secondary pollution of a packaging bag is likely to be caused, sealing attachment is not tight, fusion penetration is caused, and the connectivity between an upper bag and a lower bag is poor are solved.

The present invention relates to an unloading system for a bulk tank trailer for unloading dry bulk material from a bulk product trailer configured to be towed by a vehicle. The discharging system comprises a centrifugal compressor and a speed increaser. The speed increaser comprises a gearbox and a traction driving device which are connected in series. The centrifugal compressor is configured to deliver compressed air to force the dry bulk material out of the bulk product trailer and to deliver the dry bulk material to the storage tank. A power take-off of the vehicle provides rotational motion to the discharge system. A speed increaser is disposed between the centrifugal compressor and the PTO and is configured to increase the speed of the rotational motion provided by the PTO to achieve an operating speed at which the compressor is used to discharge different types of dry bulk material.

The invention provides a vertical feeding thin seam coal mining system, which comprises a coal mining machine, a conveyor, a top plate support frame, a traction device and a controller, a cutting roller of the coal mining machine comprises a cylinder body, an end cover and a plurality of cutting teeth, the end cover is provided with a middle area and an annular edge area, and the middle area is arranged far away from a coal mining working face relative to the annular edge area; the conveyor is arranged on the side, away from the coal face, of the coal mining machine and provided with a guide rail, and the coal mining machine is slidably connected with the guide rail. A propelling device is connected between the top plate supporting frame and the conveyor and used for pushing the conveyor and the coal mining machine towards the coal face. The traction device comprises a traction chain and a traction driver, the traction chain is connected to the coal mining machine, and the traction chain is in transmission connection with the traction driver so as to drive the coal mining machine to move along the guide rail; the controller is used for regulating the coal mining machine, the conveyor and the traction device to operate. The coal mining efficiency can be improved, and the production cost can be reduced.

The invention relates to an excitation current circuit (ES) for controlling the excitation of an excitation winding (EW), the circuit having two connections (A1, A2) for an excitation winding (EW) of an externally excited electric machine (EM), and two supply inputs (V+, V-). The excitation current circuit (ES) is also equipped with a first half bridge (H1) and a second half bridge (H2), the ends of which are connected to the supply inputs (V+, V-) and the connection points of which are connected to the connections (A1, A2). The first half bridge has a series circuit of a diode (D) and a first semiconductor switch (S1). The second half bridge has a series circuit of a second and a third semiconductor switch (S2, S3). The invention further relates to a correspondingly equipped control device (ST) and to a correspondingly equipped electric vehicle traction drive.