45results about How to "Good for high speed operation" patented technology

The present invention relates to a system and methodology to mitigate memory current requirements in an industrial controller and to facilitate efficient on-line editing, storage and retrieval of user programs and data. A segmented memory architecture is provided, wherein a first memory segment is loaded with programmed instructions and other data that is relatively static in nature. A second memory segment is provided for storage of dynamic information such as controller data table variables that change frequently and / or rapidly during program execution of the controller. An execution memory is concurrently loaded with the user program to facilitate high performance program execution and to enable on-line edits of the user program during operation of the controller.

The invention relates to a double-T-shaped framework elastic hinging flexible suspension direct driving radial steering frame, which comprises a steering frame framework, a shaft box device (4) and two permanent magnet direct driving motors (3), wherein the shaft box device (4) is used for positioning wheel pairs (5); the permanent magnet direct driving motor (3) is used for driving the wheel pairs (5); the steering frame framework is a double-T-shaped elastic hinging framework with the flexible function; each of the two permanent magnet direct driving motors (3) is arranged on a steering frame framework through a three-point type suspension mechanism, and respectively drives one wheel pair (5). Compared with the prior art, the double-T-shaped framework elastic hinging flexible suspension direct driving radial steering frame has the advantages that the flexible function of the steering frame is good; the adapting route twisting capability is high; the unsprung mass is light; the operation noise is low; the active radial function is realized, and the like.

The invention relates to a rotor suspension control method for a stator permanent magnet type bearingless synchronous motor. In the winding of a six-phase single winding stator permanent magnet type synchronous motor, a current symmetrical component for controlling torque and a suspension component for controlling the rotor suspending power flow through simultaneously; on the basis of the finite element analysis or an experimental measuring method, the relations of all coefficients in a rotor suspending power model and rotor position angles are determined; the active component, the reactive component, the rotor position angles, and radial suspending power component given values output by x-axis and y-axis rotor radial displacement controllers in the current symmetrical component flowing through the winding are sent to the provided rotor suspending power mathematical model, and the suspension component for controlling the rotor suspending power in the winding current is output. According to the method provided by the invention, through the adoption of the current closed-loop control method, the closed-loop control of the current symmetrical component and the suspension component for controlling the rotor suspending power can be realized simultaneously, and finally, the rotation of the six-phase single winding stator permanent magnet type synchronous motor under the rotor suspension state can be realized.

The invention discloses a cross woven opening device of a weaving machine. The cross woven opening device comprises a heald frame mechanism, a driving device, a guide mechanism and a transmission mechanism as well as a heald frame upper beam and a heald frame lower beam, wherein the heald frame upper beam comprises a first upper heald frame and a second upper heald frame; the heald frame lower beam comprises a first lower heald frame and a second lower heald frame; the first upper heald frame and the first lower heald frame are positioned in a same vertical plane; the second upper heald frame and the second lower heald frame are positioned in a same vertical plane; multiple first cross woven reeds are transversely and uniformly arranged between the first upper heald frame and the first lower heald frame; multiple second cross woven reeds opposite to the first cross woven reeds are transversely and uniformly arranged between the second upper heald frame and the second lower heald frame; the first cross woven reeds and the second cross woven reeds comprise upper reed beams and lower reed beams; multiple sheet full reed teeth are formed between the upper reed beams and the lower reed beams; a semi-reed tooth is arranged between each two adjacent full reed teeth. According to the invention, high-speed operation is promoted, the staggered motion time of warp yarns is short, the weft insertion time can be increased, weft insertion is promoted, and the application range is wide.

The invention relates to an ultrahigh-speed permanent magnet disk motor. The motor comprises a first stator core, a second stator core, a stator winding, an enclosure, a heat dissipation pipeline, a front end cover, a rear end cover, a high-speed rotor and ceramic bearings, wherein the high-speed rotor comprises a high-speed rotor core, permanent magnets, a rotor sheath and a rotor shaft; and thehigh-speed rotor core is installed on the rotor shaft in a sleeving mode, permanent magnet wedge-shaped installing slots are processed in the radial direction to install the permanent magnets, the permanent magnets are installed at the two axial sides of the high-speed rotor core, and the rotor sheath is installed on the high-speed rotor core. The motor has high mechanical strength and is suitablefor ultrahigh-speed running; and moreover, a good heat dissipation system is designed, and the situation that the permanent magnets are demagnetized during ultrahigh-speed running of the disk motor is prevented. The invention not only provides an ultrahigh-speed permanent magnet motor scheme but also discloses a motor assembling method.

The invention discloses an automatic gearshift device of an electric vehicle and relates to the field of vehicle-speed control components. The present electric vehicle is controlled by a Hall rotating handle opening ring, cannot realize the automatic conversion of the road condition and the torsion, restricts the application in mountainous and hilly regions and starts heavy current so as to shorten the service life of a storage battery, an electric motor, a controller and other important components., therefore, according to the technical scheme provided by the invention, the automatic gearshift device comprises a tower type transmission gear which is rotatably connected with the electric motor; the tower type driving gear is rotatably connected with a disc spring cam differential drive sensor which is connected with a cam transmission ECU (Electronic Control Unit) controller; and the ECU controller is connected with an electrical signal of the electric motor to form closed loop control. The invention has the advantages of strong climbing capability, long trip mileage, high automatic degree, quick response, energy saving and long service life.

The invention provides an electric synchronous loader which comprises a base, a speed reducer, a loading motor, a brake, a braking frame assembly and a second left end cover, wherein the speed reducer comprises a first-stage casing, a fixed inner tooth ring, a second-stage casing and an output-end supporting seat which are connected in sequence to form a rotary housing of the speed reducer; the loading motor comprises a motor housing and a rear cover which form a rotary housing of the loading motor; the brake is arranged in a tail inner cavity of the loading motor and integrally combined with the loading motor; the braking frame assembly is arranged on the second left end cover and connected with an external lead wire for introducing an external three-phase power supply. The electric synchronous loader can be used for realizing no-load starting of a test device and freely changing the size and the direction of a torque in a running process, and is infinite in loading travel angle, high in loading precision, automatic in load locking, stable in running, allowable in high-speed rotation, large in loading torque, small in external contour size, high in reliability, low in loading motor power, low in use cost and good in economy.

The invention discloses a stamping mould drawing mechanism; a drawing slider can be slidably arranged in the drawing groove of a lower mould; both ends of an elastic drawing piece are fixedly connected with the lower mould and the drawing slider; the lower end of a slotting tool below an upper mould can extend into the drawing groove and pushes the drawing slider to reversely move along the conveying direction of a material belt; one end of the drawing block is hinged onto the drawing slider, and the other end of the drawing block is provided with a first barb structure; one side of the first barb structure which is back to the conveying direction of the material belt is an oblique surface; an upper end of a drawing floating elastic piece which is positioned in the drawing slider is tightly abutted to the lower part of the other end of the drawing block; a pressure plate is fixedly connected with the lower mould and is arranged above the material belt; the lower end of an anti-retraction stop god which can longitudinally slide in the pressure plate slidably is provided with a second barb structure; one side of the second barb structure which is back to the conveying direction of the material belt is also an oblique surface; an anti-retraction elastic piece is positioned in the pressure plate and is connected with the anti-retraction stop dog; and according to the stamping mould drawing mechanism, quick operation can be realized, the high-speed operation of the stamping mould is conveniently realized, and the production efficiency is improved.

An electrostatic protection device for a semiconductor circuit for protecting an internal circuit from static electricity applied to the pad includes a first conductivity type semiconductor substrate; second conductivity type diffusion regions formed on the surface of the semiconductor substrate at regular intervals into a dot type; isolation structures formed on the surface of the semiconductor substrate to respectively surround the second conductivity type diffusion regions; and first conductivity type diffusion regions formed on the surface of the semiconductor substrate outside of the second conductivity type diffusion regions and the isolation regions.

The invention discloses a two-needle bar warp knitting machine with double swing axles and double swing arms. The two-needle bar warp knitting machine is capable of dividing a guide bar swing arm to two parts. The structure comprises a guide bar, the guide bar swing arms, swing axles, and swing pull rods. The guide bar is divided to two parts which are respectively installed at the front and rear guide bar swing arms. One end of each of the front and rear guide bar swing arms is respectively fixed on the front and rear swing axles correspondingly, and the other end of each of the front and rear guide bar swing arms is respectively connected with the front and rear swing pull rods correspondingly. The front and rear swing pull rods are respectively connected with crankshaft mechanisms in front and rear boxes correspondingly. The front and rear guide bar swing arms are respectively driven to be swung by the front and rear crankshaft mechanisms. The two-needle bar warp knitting machine is capable of dividing the guide bar swing arm to two independent parts, and two guide bar swing arms are respectively swung, and are not mutually interfered. The bearing pressure of the guide bar swing arm is reduced, and the swing inertia of the guide bar in the operation process is reduced. The guide bar is more stable in the knitting cycle, and the high-speed operation of a machine is convenient.

The invention provides a method for reducing the positioning torque of a magnetic-flux switching permanent magnet motor, comprising the following steps: arranging an iron core bridge between stator iron cores of the magnetic-flux switching permanent magnet motor; arranging a permanent magnet in a groove which is formed by adjacent stator iron cores and the iron core bridge, and setting the initial thickness of the iron core bridge as the length of the air gap of the magnetic-flux switching permanent magnet motor; determining the performance parameter involved in the iron core bridge thickness optimization process of the magnetic-flux switching permanent magnet motor; and optimizing and determining the thickness of the iron core bridge. The method is simple and efficient, the project is easy to implement, the thickness of the iron core bridge can be optimized by adopting the finite element method, the positioning torque of the magnetic-flux switching permanent magnet motor is reduced effectively, and the other performances of the magnetic-flux switching permanent magnet motor are hardly affected.

The invention discloses a magnetic bearing based on radial rejection. The magnetic bearing comprises an annular permanent magnet; 2n current coils are evenly arranged around the annular permanent magnet along a radial direction; and the direction of radial magnetic field generated by the annular permanent magnet is opposite to the direction of radial magnetic field generated by the electric coils. The magnetic bearing employs interaction of the annular permanent magnet and the winding coils to produce radial suspension repulsion; and the magnetic bearing device has simple and compact structure, and is stable and reliable. The invention also discloses a flywheel energy storing device applying the magnetic bearing device; the energy storing device employs exclusive principle of magnetic fields with the same polarity to form a dynamically stable system; and closer distance generates stronger repulsion, so as to facilitate high speed operation of the spindle without colliding or scraping with inner wall of the casing.

A combing machine equipped with a rotary tong-basement consists of a frame, a motor, a gear-box and a combing part. The rotary tong-basement, arranged on the combing part and pivoted onto an eccentric transmission sleeve via a linkage bar, can move reciprocally on a slide bed on the frame. The eccentric transmission sleeve is installed on a disc on a eccentric driving shaft connected with the motor via a transmission mechanism. A triangular arm is arranged on the rotary tong-basement, with the upper tong plate at the front end of the triangular arm. Feeding rollers with bearings are installed on the tong-basement. A lower tong plate and top comb are fixed on the front end of the tong-basement. The upper tong plate is also pivoted with a connecting lever, of which the other end is pivoted on an eccentric calender sleeve, which is also arranged on an eccentric disc of an eccentric calender shaft that is connected with the motor via a transmission mechanism. The said machine has high speed, less vibration and noise, with high use ratio of resource and improved air flow condition.

Provided is a pantograph head of a ring shaft rotary electric traction locomotive. The pantograph head of the ring shaft rotary electric traction locomotive is characterized in that an outer casing isfixed on the roof of the locomotive; a rotating shaft in a contact tube of a zigzag contact line can be rotatably mounted in the outer casing; an annular slide plate is mounted on a bracket; a plurality of power lines are arranged in the inner cavities of multiple support arms of the bracket; the outer ends of the power lines are connected with the slide plate; the inner ends of the power lines are connected with a central power line in a through hole of the rotating shaft; an annular copper sheet is fixed on the outer wall surface of the rotating shaft; a support spring between an annular electric brush and the outer casing forces the annular electric brush to attach to the annular copper sheet to generate current collection effect; the lower end of the central power line conducts currents to electrical equipment inside a vehicle body. The pantograph head of the ring shaft rotary electric traction locomotive has the advantages of enabling the slide plate to have various advantages such as high service life, large current collecting area, good stability and good heat dissipation, and being of high practical value and popularization value in the field of rail transit.

A registration device includes a feed roller which presses one surface of a sheet to feed the sheet. A cartridge unit is placed opposite to the feed roller and includes a follower roller to support the other surface of the sheet. An image forming unit forms an image on the sheet and a regulating element rotates the cartridge unit relative to the feed roller so that an arranged sheet can be fed into the image forming unit. The registration device can regulate the parallel degree between the cartridge unit and the feed roller in the process of assembling the image forming apparatus to prevent the skew of the sheet.

The invention discloses an intelligent water supply system under a train. A box body is fixed at the bottom of a vehicle body of the train, an automatic constant-pressure water supply unit and a waterinjection pipeline are connected to the box body, a heat tracing belt is wound around the water injection pipeline and heats the water injection pipeline, and an electric heating pipe is arranged inan inner cavity of the box body, and is used for heating water in the box body. The system is arranged at the bottom of the vehicle body of the train, and does not occupy additional space on the vehicle, so that reasonable layout on the vehicle is facilitated, the center of gravity of the whole vehicle is lowered, and high-speed operation of the train is facilitated. According to the system, by utilizing an air pressure tank for the energy storage, frequent starting of a pressurizing pump is avoided, the probability of fault occurrence is reduced, and the service life of a water pump is prolonged; the structure is simple and easy to use, the air pressure tank is connected on a water pipeline in parallel, so that installing is convenient, and the difficulty of an electric appliance controlpart is not increased; and a water tank and the pipeline have cold-proof heating functions, so that the normal use of the water tank under the extremely cold condition in winter is ensured, and wateruse by passengers is guaranteed not to be limited by weather conditions.

The invention discloses a three-degree-of-freedom spherical hybrid magnetic bearing with an axial self-loop. An outer axial stator, an upper annular permanent magnet, a radial stator, a lower annularpermanent magnet and a lower axial stator sequentially coaxially sleeve a rotator from top to bottom, each of the upper axial stator and the lower axial stator is formed by axially connecting an upperdisc, a middle disc and a receiving disc, the inner end surface of every upper disc extend radially inwards extends to form a conical disc, small discs are arranged between the upper and lower end surfaces of the rotor and the corresponding conical discs, the small discs are closely attached to the upper and lower surfaces of the corresponding conical discs, the upper small disc is located abovethe upper end surface of the rotor, and the lower small disc is located below the lower end surface of the rotor; and axial air gaps are left between the upper and lower small disks and the end surface of the rotor, and a control magnetic flux enters the receiving discs through return air gaps to axially form the self-loop without mounting a pushing disc, so the rotating speed of the rotor is optimized, and coupling of axial and radial magnetic fields is reduced.

The automatic stereoscopic warehouse with the high-speed straight rail reciprocating type shuttle vehicle system comprises a storage support and a shuttle vehicle body, a shuttle guide rail is arranged between the storage support and the shuttle vehicle body, and a bearing lifting plate is arranged above the shuttle vehicle body; a first lifting rod and a second lifting rod are arranged below the front end and the rear end of the bearing lifting plate correspondingly, corresponding pneumatic pressurizing bins are arranged below the first lifting rod and the second lifting rod correspondingly, buffering air bags are arranged at the front end and the rear end of the shuttle vehicle body correspondingly, and the buffering air bags are communicated with the adjacent pneumatic pressurizing bins through communicating pipes. The collision buffering effect is achieved through the buffering air bag, meanwhile, the pneumatic supporting inclination angle of the shuttle vehicle to a carried piece is synchronously adjusted through collision compressed airflow of the buffering air bag, the dumping effect caused by high-speed braking inertia is offset, the buffering air bag can be in linkage with the side brake pad, the braking effect is further improved, high-speed running of the shuttle vehicle is facilitated, and the service life of the shuttle vehicle is prolonged. And the storage transfer working efficiency is improved.

A registration device includes a feed roller which presses one surface of a sheet to feed the sheet. A cartridge unit is placed opposite to the feed roller and includes a follower roller to support the other surface of the sheet. An image forming unit forms an image on the sheet and a regulating element rotates the cartridge unit relative to the feed roller so that an arranged sheet can be fed into the image forming unit. The registration device can regulate the parallel degree between the cartridge unit and the feed roller in the process of assembling the image forming apparatus to prevent the skew of the sheet.

The present disclosure discloses a permanent magnet electric motor, which is a radial flux electric motor, consisting of a stator and a rotor, wherein an inner circle of the stator is provided with N stator teeth evenly in circumferential direction, each of the stator teeth is wound by a coil, and the N coils form stator windings, wherein, the N is an integer not less than 12. Additionally, the number of magnetic poles of the rotor is not less than 12 so that widths and the centrifugal forces of the magnets under each of the magnetic poles are limited, thereby facilitating the high speed operation of the electric motor and improving the safety. The stator is manufactured by laminating a plurality of annular thin sheets with a same shape, and the material of the annular thin sheets is an amorphous magnetic conductive material, whose power loss in an alternating magnetic field is lower than that of silicon steel, which hugely increases the efficiency of the electric motor.

The invention relates to a cylinder shell locking device of a combing machine. In the cylinder shell locking device, a left cylinder shell (1) is an aluminum casting, a balance plate (2) is a steel part, a right cylinder shell (3) is an aluminum casting, viscose is arranged between the left cylinder shell (1) and right cylinder shell (3) and the balance plate (2), the left cylinder shell (1) is connected with the balance plate (2) through two bolts (4), flat washers (5), lockwashers (6) and screw nuts (7), the bolts are connected with the screw nuts (7) through thread adhesive, the balance plate (2) is connected with the right cylinder shell (3) through two bolts (4), flat washers (5), lockwashers (6) and screw nuts (7), and the bolts (4) are connected with the screw nuts (7) through thread adhesive. By using the cylinder shell locking device of the invention, the weight of the cylinder shell can be reduced so that the combing machine in high rotating speed can be stably stopped and the stability of the combing machine in use can be ensured.

The invention discloses a manufacturing process of a wireless charger shell based on a water gap automatic cutting technology. The manufacturing process mainly comprises the steps that a raw materialis subjected to injection molding to the wireless charger shell, and then, wireless charger shell loading, cutting of one side by a cutting blade, rotary cutting of the other side by the cutting blade, waste falling back and the like are carried out in sequence. Through the above process, fully-automatic, intelligent and continuous machining of the wireless charger shell can be achieved, moving ofa cutter is locked while it is ensured that the cutter cuts a water gap, the problem that under the influence of the injection molding pressure, the cutter retreats can be effectively solved, the product appearance can be ensured, production efficiency is improved, the manufacturing process improves the cutting precision of the intelligent assembly water gap, the cutting effect is good, high-speed running during water gap is facilitated, a cut edge is smooth and flat, and the process has the important promoting effect on the product production yield.

Provided is an alternating-current and direct-current five-degree-of-freedom hybrid magnetic bearing having dual spherical surfaces for a vehicle-mounted flywheel battery; a radial stator consists of upper and lower radial stators (1, 8) arranged coaxially and having integrally connected yokes; three radial stator poles (11, 12, 13, 81, 82, 83) are arranged along the circumferential direction of each of the upper end of the yoke of the upper radial stator (1) and the lower end of the yoke of the lower radial stator (8); the inner surface of each radial stator pole (11, 12, 13, 81, 82, 83) is a concave spherical surface (211, 811); the upper and lower ends of the intermediate cylinder (73) of a rotor (7) are an upper connection body (72) connected to an upper-end cylindrical body (71) and a lower connection body (75) connected to a lower-end cylindrical body (74), respectively; the side walls of the upper and lower cylindrical bodies (71, 75) are convex spherical surfaces (711, 751); each concave spherical surface (211, 811) correspondingly faces, at its top and bottom, a convex spherical surface (711, 751); an axial stator (5) is nested outside the intermediate cylinder (73); the upper side of an upper axial stator (51) and the lower side of the lower axial stator (52) are each equipped with annular permanent magnets (31, 32); the opposing faces of the upper and lower radial stators (1, 8) and the rotor (7) are spherical structures, eliminating a gyroscopic effect; when the rotor (7) of the magnetic bearing deflects or deviates, the electromagnetic force points to the spherical center of the rotor (7), thus reducing the disturbance torque generated on the rotor (7) by the stator magnetic poles.

The invention relates to a spindle tape tension device of a ring spinning frame, wherein a main shaft (3) and a tension pulley shaft (5) are arranged on a main shaft bearing seat (12); a rolling disc (4) is arranged on the main shaft (3); a positioning pin (6) is arranged on the tension pulley shaft (5); a support ring (7) is arranged on the tension pulley shaft (5) and a positioning pin (6); a bracket (8) is arranged on the support ring (7); a heavy punch (11) is arranged at one end of the bracket (8); the tension pulley frame (9) and a spindle tape tension pulley (10) are arranged at the other end of the bracket (8); a spindle (1) is arranged on a keel (13); and a spindle tape (2) is arranged on the rolling disc (4), the spindle tape tension pulley (10) and four spindles (1). With the adoption of the spindle tape tension device, the requirements on tension stabilization and consistence of the spindle tape of the spinning frame can be met.

The invention discloses a multi-teeth tricot machine guide bar which comprises a guide bar base, guide bar guide rails, draw slips and yarn guide needles. The guide bar guide rails are arranged along the transverse direction of the guide bar base at certain intervals, the draw slips can do transverse motion in the guide bar guide rails, a group of yarn guiding needles are arranged on one draw slip, and eight draw slips can be arranged on one guide bar base, which means that eight groups of yarn guide needles can be installed, so that the number of the yarn guide needles that can be installed in the sector cross section area of a multi-teeth tricot machine is greatly increased, therefore, more complex and graceful fabrics can be woven; in addition, the distance between two adjacent guide bar guide rails can be shorter, and a supporting steel wire plays the role of supporting the yarn guide needles, so that the yarn guide needles are more stable, therefore, the draw slips has good stability in high-speed rotation, and the defects of needle leakage and needle disturbing are avoided, thereby facilitating the high-speed running of the machine.

The invention discloses an automatic three-dimensional warehouse with a high-speed straight rail reciprocating shuttle car system, which includes a storage bracket and a shuttle car body, and a shuttle guide rail is set between the storage bracket and the shuttle car body, and the upper part of the shuttle car body is arranged There is a load-bearing lifting plate, the first lifting rod and the second lifting rod are respectively arranged under the front and rear ends of the bearing lifting plate, and corresponding pneumatic pressurization chambers are respectively arranged under the first lifting rod and the second lifting rod, Both the front and rear ends of the shuttle body are provided with cushioning airbags, and the buffering airbags are in communication with the adjacent pneumatic pressurization chambers through communication pipes. The invention uses the buffer airbag to play the role of collision buffer, and at the same time, the impact compressed airflow of the buffer airbag is used to synchronously adjust the inclination angle of the aerodynamic support of the shuttle car to the carrier, offsetting the dumping effect caused by high-speed braking inertia, and the buffer airbag can be linked to side brakes The disc further improves the braking effect, facilitates the high-speed operation of the shuttle car, and improves the efficiency of storage and transfer.

The invention discloses a connection structure of a mechanical joint, which comprises a connection structure main body, a firmware sleeve and a circuit sleeve. The bottom of the connection structure main body is provided with a motor, the motor is fixedly connected with the connection structure main body, and the top of the second connection assembly is provided with a firmware sleeve. The firmware sleeve is fixedly connected to the second connection component, the top of the isolation component is provided with a circuit sleeve, the circuit sleeve and the isolation component are nested and connected, the top of the second connection component is provided with an isolation component, and the isolation component is nested and connected to the second connection component, Using independent encoder and DC driver, it can conveniently control the flexible operation of each joint. The firmware and the controller are relatively independent, which is convenient for disassembly and maintenance of the joint. There is an independent control system, and there is the same connection between the control system and the firmware of each connector. It is easy to control in the software and has higher flexibility, but the control system and the firmware are relatively independent, which is convenient for maintenance and replacement, and has a wide range of application prospects in the future.