48results about How to "Large torque transmission" patented technology

The present invention provides a wrist of a six-axis robot arm. This wrist comprises a housing assembly and a transmission structure disposed inside an external assembly. The transmission structure comprises: a six-axis motor, a five-axis motor, a six-axis input shaft assembly, a five-axis decelerator assembly, a six-axis decelerator assembly, a six-axis transmission belt connected between the six-axis motor and the six-axis input shaft assembly, and a five-axis transmission belt connected between the five-axis motor and the five-axis decelerator assembly, wherein the six-axis input shaft assembly is provided with a first arc gear, and the six-axis decelerator assembly is provided with a second arc gear engaged with the first arc gear. The components of the transmission assembly within the wrist of the six-axis robot arm in the present invention are designed as independent modules, and each module is assembled to reduce the dimension chain, reduce the assembly difficulty and increase the assembly precision. The six-axis input shaft assembly and the six-axis decelerator assembly of the wrist transmit power through the arc bevel gear. Therefore, the wrist can increase the transmission torque and reduce noise.

A synchronous gear direct drive apparatus for blast furnace bellless furnace top distributor contains a main rotary motor, a main rotary reduction gear pair, a main rotary driveshaft, a main rotary incoming gear, a tilting motor, a tilting reduction gear, a tilting drive shaft as well as a tilting incoming gear, a synchronous gear transmission mechanism provided between the main rotational axis and the tilting driving shaft, main rotary teeth cover clutch structure and tilting clutch structure respectively provided on the main rotational axis and the tilting driving shaft, and a fork spreader mechanism controlling the clutch and detaching. The present invention can realize transmission in three ways, firstly, the main rotary motor driving the main rotating revolving ring and chute to realize the synchronous main rotation; secondly, the tilting motor driving the tilting rotational axis to rotate to realize the angle adjustment of the chute; thirdly realizing the simultaneous adjustment of main rotation and chute angle. The invention has features of simple transmission mechanism, smaller manufacturing difficulty, less transmission links, high reliability, large transmission torque, good operation synchronism, long service life and so on.

The present invention discloses a hub motor. It includes motor main case and motor cover which are mutually fixedly connected, on the main shaft of its shaft centre the stator left and right end covers fixedly connected with said motor are cover-mounted, said motor can be covered by the left and right end covers of stator and mounted in the interior of motor main case, in the interior of rotor iron core of motor a rotor liner is mounted, and between said motor and planetary reducing mechanism a roller clutch formed from clutch outer ring, roller retaining frame, roller and lefa spring is set, and said planetary reducing mechanism is a double-geared speed reducing one formed from driving gear, planetary gear on planetary spindle, gear III, bearing gear and internal gear, the internal gear is fixedly connected with motor cover so as to implement power transmission.

The invention discloses a multipurpose silicon carbide wafer transmission manipulator. The manipulator comprises a lining plate, a main transmission gear, an auxiliary transmission gear, a main rear auxiliary arm, an auxiliary rear auxiliary arm, a power input module, a main grabbing arm, an auxiliary grabbing arm, a main upper front auxiliary arm, a main lower front auxiliary arm and diameter adjusting modules, wherein the power input module provides power input for the main transmission gear to drive the main transmission gear to rotate; the main grabbing arm is hinged with the main transmission gear and the main rear auxiliary arm; one end of the main upper front auxiliary arm and one end of the main lower front auxiliary arm are hinged to an upper surface and a lower surface of the lining plate respectively, and the other ends are hinged to an upper end and a lower end of a middle portion of the main grabbing arm respectively; one ends of the auxiliary upper front auxiliary arm andthe auxiliary lower front auxiliary arm are hinged to the upper surface and the lower surface of the lining plate, and the other ends are hinged to the upper end and the lower end of the middle portion of the auxiliary grabbing arm; the diameter adjusting modules are installed at tail ends of the main grabbing arm and the auxiliary grabbing arm. Two-stage grabbing can be achieved, and efficientcoordination operation among different cavities in a limited space is achieved.

The invention provides a drive joint suitable for deep-space high-low-temperature environment. The drive joint is characterized by comprising a step motor, a short cup type harmonic reducer, a rotary transformer, a housing end cover, a housing, an output shaft, an angular contact bearing, a disc spring, an inner shaft sleeve, an outer shaft sleeve, a stop nut and a bearing end cover. After being amplified by the reducer, motor torque drives a performing mechanism to rotate through the output shaft, the rotary transformer is mounted on the output shaft for directly detecting an output angle of the drive joint, the torque transmission path is the shortest and connecting links are fewest, so that the drive joint has the advantages of being wide in applicable temperature range, high in reliability, small in return difference, small in axial jump, great in transmitted torque and the like.

The invention provides a robot joint torque limiting device, which comprises an input circular disc, an output circular disc, permanent magnets, a plurality of ball plungers and a plurality of ball sockets, wherein the input circular disc is connected with a power input shaft, the output circular disc is coaxial with the input circular disc and is connected with a power output shaft, the permanent magnets are uniformly arranged at the end surface, opposite to the output circular disc, of the input circular disc , the magnetic poles of the permanent magnets face the output circular disc, the magnetic poles of the adjacent permanent magnets are opposite, the ball plungers are fixedly arranged at the end surface, provided with the permanent magnets, of the input circular disc, a ball of each ball plunger exposes out of the end surface, the number of the ball sockets is the same as the number of the ball plungers, the ball sockets are uniformly arranged at the end surface, opposite to the input circular disc, of the output circular disc, the diameter of the ball of each ball plunger is the same as the diameter of the corresponding ball socket, and the ball of each ball plunger on the input circular disc is attached to the corresponding ball socket on the output circular disc when the input circular disc and the output circular disc are attracted by the permanent magnets. The robot joint torque limiting device has the advantages that the structure is simple, the size is small, the transfer torque is large, and the overload torque is adjustable.

The invention relates to the field of rail vehicle variable gauges, and discloses a movable disc assembly for a variable gauge wheel set; the movable disc assembly comprises a movable disc and a bearing, and the movable disc is provided with a central through hole and a connecting hole located outside the central through hole; an outer ring of the bearing is fastened in the central through hole, and an inner ring of the bearing is used for being fixedly arranged on an outer hub of a wheel in a sleeving mode. The movable disc assembly is simple in structure, and is capable of being fastened towheels and small in an occupied wheel space; a transverse driving mechanism pushes or pulls the movable disc to drive the wheels to move, and gauge changing of the wheels is achieved; by using the movable disc assembly, the transmission torque is large, the reliability is high, the gauge changing reliability is improved, and the gauge changing efficiency is improved.

The invention provides a mold closing mechanism, which belongs to the technical field of plastic forming and solves the problems of complicated structure, high processing difficulty and high cost of a conventional mold closing mechanism. The mold closing mechanism comprises a fixed template, a back template and a pull rod, wherein a movable template is also glidingly arranged on the pull rod; a mold is arranged between the movable template and the fixed template; one side of the back template is provided with a power mechanism; a through hole is formed in the back template; a top rod is arranged in the through hole in a penetrating way and is connected with the power mechanism; a plurality of rows of clamp teeth are arranged on the peripheral surface of the top rod; the other side of the back template is provided with a locking mechanism; the top rod passes through the locking mechanism and abuts against the movable template; the locking mechanism can tightly lock the clamp teeth; an oil bag sheaths the top rod and is arranged between the locking mechanism and the back template; and after the oil bag is filled with hydraulic oil, the oil bag can push the locking mechanism so that the top rod tightly abuts against the movable template. The mold closing mechanism has the advantages that the structure is simple, the cost is low, and the response speed is high.

The invention relates to a slide-block type reversing clutch mainly consisting of a left transmission wheel, a left transmission wheel, a bush and slide block components. The left transmission wheel and the right transmission wheel are supported on the bush by bearings. The slide block components are radially assembled on the bush in a sliding manner and positioned inside rims of the left transmission wheel and the right transmission wheel. Inner walls of the rims of the transmission wheels are provided with unidirectional progressive sliding grooves which can be form pallet tennon transmission fit by alternating with the slide block components. Only the change of the rotation direction of a driving shaft can realize transmission clutch switch so as to alternately drive the left transmission wheel or the right transmission wheel to rotate. The slide-block type reversing clutch can bear and transfer great power by using the slide block components as transmission clutch parts, and avoidthe phenomenon of transmission slip or seizure. The invention has the remarkable advantages of stable transmission fit, light and flexible reversing separation and no collision noise during clutchingoperation, can prolong the service life of the clutch by folds and has a good market prospect.

The invention discloses a piston type multi-jaw robot end effector and relates to the technical field of robots. A piston and a toothed bar are fixedly connected through a bolt to form a driving mechanism. The driving mechanism is mounted in the shell. A first seal ring is mounted between the piston and the shell. A second seal ring is mounted between the toothed bar and the shell. A rear cover ismounted at the tail end of the shell. A third seal ring is mounted between the inner side of the rear cover and the shell. A clamp spring is mounted between the outer side of the rear cover and the shell. Gears are mounted on gear shafts. The two ends of each gear shaft are supported in the shell through two bearings correspondingly. Multiple sets of slide rails are mounted on the end face of theshell. A rack type sliding block module is mounted in each set of the slide rails. Each gear is engaged with the toothed bar and a corresponding rack type sliding block. By adopting the unique toothed bar, motion is transmitted to the rack type sliding blocks in multiple directions through the gears, the transmitted torque is large, and the synchronism is good. Moreover, the gear shafts are supported by cylindrical roller bearings, the motion damping of the gear shafts is small, and the motion efficiency is high.

The invention discloses a universal expansion board clamping and pressing element, which belongs to an auxiliary device for manufacturing a computer. The universal expansion board clamping and pressing element structurally comprises a worm and gear mechanism, a connecting rod and a board clamping and pressing block, wherein the worm and gear mechanism is connected with one end of the connecting rod of which the other end is connected with the board clamping and pressing block; the worm and gear mechanism drives the connecting rod to press the board clamping and pressing block down, and comprises a pedestal, a worm gear and a worm, wherein the worm is fixed on the pedestal; the worm gear is arranged on the pedestal through bearings; the worm gear and the worm are in fit with each other; and the connecting rod is embedded and fixed onto the two lateral surfaces of the worm gear. Compared with the prior art, the universal expansion board clamping and pressing element of the invention hasthe characteristics of simple structure, small volume, low production cost, easy machining, capacity of fixing various expansion boards in different sizes in a way that the worm and gear mechanism drives the connecting rod to press the clamping and pressing block down, convenient use and the like.

The invention discloses an oil-water dual-purpose fluid coupling with a brake drum. The oil-water dual-purpose fluid coupling comprises a connecting disc and the brake drum; the connecting disc and the brake drum are respectively matched with a power machine shaft and a working machine input shaft to be mounted on the same axis; one end of the connecting shaft is mounted opposite to a claw of the brake drum; an elastic block is arranged between the connecting shaft and the brake drum; the two ends of a rear auxiliary cavity are respectively connected with the connecting disc and a pump impeller; the rear auxiliary cavity, the pump impeller, a housing (or a side auxiliary cavity) and a sealing gland are provided with anti-fall off spring oil seals and are sealed with excircle of a main shaft; the sealing gland is mounted on the housing, and used for pressing a bearing on the main shaft; a spigot of the rear auxiliary cavity is mounted on the pump impeller, and used for pressing another bearing at the other end of the main shaft; liquid injection plugs are arranged on the pump impeller, and screw holes in the liquid injection plugs are communicated with the pump impeller; a fusible plug and an explosion-proof plug are arranged in the housing (or the side auxiliary cavity), and screw holes in the fusible plug and the explosion-proof plug are communicated with the housing; lips of the oil seals are respectively sealed with the excircle of the main shaft; a working cavity is oblate. The oil-water dual-purpose fluid coupling has the advantages that various liquids can be used, and the use is convenient.

The invention discloses a self-gain centrifugal clutch which comprises a belt wheel and a clutch assembly arranged in an inner cavity of the belt wheel; the clutch assembly comprises a main shaft, two bearings, a plurality of friction plates, the two bearings sleeve the two ends of the outside of the main shaft correspondingly, the friction plates are arranged outside the bearings, springs are connected between two adjacent friction plates, and the tops of the bearings are provided with bearing glands; and the friction plates can make contact with the inner wall of the inner cavity, and the inner wall is inwards sunk to form a plurality of trenches. The trenches in the inner cavity of the clutch are added, the problem of cleanliness of the surface of the clutch inner cavity and the surfaces of the friction plates is solved, transmission torque is increased, and the self-gain effect of the transmission torque of the centrifugal clutch is achieved.

The automatic opening and closing deice for vertically hinged door has automatic opening and closing mechanism comprising controller, frequency variator, wiring terminals, frequency varying motor, and speed reducer. The controller is connected to the frequency variator, the frequency variator is connected to the wiring terminals and the frequency varying motor, the frequency varying motor has output connected via chain wheel and chain to the input of the speed reducer, the speed reducer has output connected with one end of the swinging arm, and the swinging arm has the other end connected to one block moving inside one slot fixed to the upper end of the vertically hinged door.

The invention discloses an orientated locating type electromagnetic jaw clutch device. The orientated locating type electromagnetic jaw clutch device comprises a connection plate, an armature gear ring, a reset spring leaf, an armature, a baffle gear ring, a baffle, coils, a magnetic yoke, a bearing and a bearing check ring, wherein the coils are installed in a magnetic yoke groove, the armature gear ring and the reset spring leaf are installed on the connection plate, and the connection plate is connected to a driven shaft through an inner hole of the connection plate; internal teeth of the armature gear ring can slide on external teeth of the connection plate, and the end face of the armature gear ring is provided with trapezoidal teeth capable of being meshed with trapezoidal teeth of the baffle gear ring; the armature is installed on the armature gear ring and is connected to the reset spring leaf; when the coils are energized, the armature can be attracted, the reset spring leaf can be deformed due to pulling, and the trapezoidal teeth of the armature gear ring can be meshed with the trapezoidal teeth of the baffle gear ring; when the power of the coils is cut off, the armature can be released and pulled to the original position, the reset spring leaf can be reset, and the trapezoidal teeth of the armature gear ring can be separated from the trapezoidal teeth of the baffle gear ring.

A magnetic field modulation frequency rising type electromagnetic energy harvesting device comprises a central shaft, wherein a frequency-rising magnetic ring, a magnetic field modulation ring, an energy harvesting magnetic ring and a base are installed on the central shaft from top to bottom; the frequency rising magnetic ring and the energy harvesting magnetic ring are connected to the central shaft through bearings, and the magnetic field modulation ring and the base are fixed to the central shaft; and a first magnet and an inertia mass block are installed on the frequency-raising magneticring, a high-permeability material sheet is installed on the magnetic field modulation ring, a second magnet is installed on the energy harvesting magnetic ring, and a plurality of coils are annularlyand uniformly arranged on the base. Under the action of external excitation, the inertia mass block drives the first magnet on the frequency raising magnetic ring to rotate, and an alternating harmonic magnetic field is generated; under the modulation of the magnetic field modulation ring, the harmonic frequency is changed and acts on the second magnet of the energy harvesting magnetic ring to drive the energy harvesting magnetic ring to rotate at an increased speed, so that the magnetic flux inside the coils is changed, induced voltage is generated, and the energy supply requirements of thefields of wireless sensor network nodes, wearable equipment and the like can be met by means of the magnetic field modulation frequency rising type electromagnetic energy harvesting device.

The invention relates to a connection positioning device between a valve shaft and a valve plate of a butterfly valve, relates to the technical field of valve manufacturing, and particularly relates to a connection positioning and transmission torquer between the valve shaft and the valve plate of the butterfly valve. The valve plate provided by the invention comprises a valve clack and a valve shaft base, wherein the valve shaft base is provided with a vertical through hole used for penetrating through a valve shaft, the valve shaft base is provided with a round locating hole which is transversely arranged and used for positioning the connecting valve shaft, and a wedge groove is arranged at one side of the valve shaft in contact with the round locating hole; and the round locating hole is internally provided with a wedge-shaped pin in a penetrating manner, the diameter of the wedge-shaped pin is the same with the round locating hole, and a semi-cylinder of an inclined plane which is matched with the wedge groove of the valve shaft is contacted with one side of the valve shaft. The connection positioning device provided by the invention has the advantages that the process manufacturing is easy, the assembly and disassembly are convenient, the carryover moment is large, the manufacturing and assembly efficiency is high, in addition, the wedge-shaped pin is reusable, the material is saved, and the cost is lowered.

The invention relates to the technical field of power generation by using water currents, in particular to a novel spiral floating cylinder type water current power generation device. The device mainly comprises a spiral floating cylinder, a bearing ship, a generator and a transmission shaft, wherein the spiral floating cylinder is of a pipe body structure with a horizontal axis; multiple spiral fins are arranged around the outer side wall of the spiral floating cylinder; a short shaft is arranged at the external of any one end of the spiral floating cylinder through a bracket in a connectingmode; the short shaft and the spiral floating cylinder are coaxially arranged; the bearing ship is of a ship structure floating on the water surface; the bearing ship is provided with a fixed anchor;the fixed anchor is sunk in the water bottom, and is connected with the bearing ship through a rope or an anchor chain; the generator is fixedly arranged on the bearing ship, and an input shaft of thegenerator is towards a stern; one end of the transmission shaft is in butt joint with the input shaft of the generator through a coupling; the end, far from the generator, of the transmission shaft is in butt joint with the short shaft at any one end of the spiral floating cylinder; and the transmission shaft is used for transferring the torque of the spiral floating cylinder to the generator forpower generation.

The invention discloses a horizontal die splitting mechanical horizontal forging machine which comprises a machine body and is characterized by further comprising a clamping device arranged in the vertical direction of the machine body and a die punching device arranged in the horizontal direction of the machine body. The machine body comprises an upper machine body and a lower machine body, and the upper machine body and the lower machine body are fixedly connected at the waist joint surface of the whole machine through bolts and the clamping device in the vertical direction comprises a pull rod assembly, an upper connecting assembly and a lower connecting assembly. The die punching device in the horizontal direction comprises a main sliding block and a crankshaft connecting rod assembly. The beneficial effects are that the rigidity and stability of the whole machine are improved, the noise is low, and the installation is convenient. The clamping sliding block is provided with a pneumatic overload and locking protection device, a clamping system is protected against damage, clamping is stable, clamping force is large, returning force does not exist, a punch is convenient to replace, and safety is high. According to the horizontal forging machine, all lubrication points of the machine body adopt a centralized automatic thin oil forced circulation lubrication system, lubrication is sufficient, energy is saved, and the environment is protected.

The invention provides a driving assembly. A driving motor and a motor mounting end cover are positioned through a stop opening; the output shaft of the motor is fixedly connected with the input end of a harmonic speed reducer; torque transmission is carried out by using a flat key; the harmonic speed reducer fixed end is arranged between the motor mounting end cover and an assembly shell; the output end of the harmonic speed reducer is fixedly connected with a driving shaft; the driving shaft is supported and positioned by a diagonal contact bearing, and is mounted on the assembly shell; a connecting flange is connected to the driving shaft through a pin screw; the motor torque is amplified by the speed reducer and then is driven by the driving shaft to rotate; a rotating transformer is installed on the driving shaft and directly detects the output angle of a driving joint, so that the middle links of the torque transmission are less, and by virtue of the use of the pin screw, the driving assembly has the advantage of being small in return difference; and due to reasonable structural design and layout, the internal cavity is small, the compactness is high, the overall envelope size of the assembly is reduced, and the weight and installation space requirements of the assembly are reduced.

An electromagnetic cable clutch features that a steel wire cable is wound on the surface of drive axle between drive oxle and driven sleeve or the surface of driven axle between drive sleeve and driven axle and the electromagnetic coil connected to power supply is installed on the drive or driven axle or in the drive or driven sleeve. When a voltage is applied across two electrodes, the steel wire cable betwee ntwo electrodes is attracted to connect both electrodes with each other, so realizing clutch function. Its advantages are high frequency, simple structure and low cost.

An electromagnetic energy harvesting device of magnetic field modulation up-frequency type, comprising a central shaft on which an up-frequency magnetic ring, a magnetic field modulation ring, an energy-harvesting magnetic ring and a base are installed from top to bottom; the up-frequency magnetic ring, the energy-harvesting magnetic The ring is connected to the central shaft through bearings, the magnetic field modulation ring and the base are fixed on the central shaft; the first magnet and the inertial mass block are installed on the up-frequency magnetic ring, the high magnetic permeability material sheet is installed on the magnetic field modulation ring, and the energy-capturing magnetic A second magnet is installed on the ring, and multiple coils are evenly arranged in a ring on the base; under the action of external excitation, the inertial mass drives the first magnet on the up-frequency magnetic ring to rotate, generating an alternating harmonic magnetic field. Under the modulation of the magnetic field modulation ring, the harmonic frequency changes, acting on the second magnet of the energy-capturing magnetic ring, driving the energy-capturing magnetic ring to rotate at a higher speed, so that the magnetic flux inside the multiple coils changes, and an induced voltage is generated. The invention can meet the energy supply needs of wireless sensor network nodes and wearable devices.

The invention discloses a novel expanding clamping type gapless plum blossom bearing bush. The bearing bush is characterized in that installation is carried out in an expanding clamping mode, and thesimple mode is gapless plum-blossom-shaped elastic connection; the size error of a hole and a transmission shaft is effectively eliminated through the expanding clamping mode; and connecting shafts and a reinforced nylon elastic ring are elastically connected, so that no rotation gap exists, and disassembly and assembly are convenient. The rotation features of forward rotation and reverse rotationare identical, and the torque is large. The invention relates to the technical field of bearing bushes. The bearing bush comprises the outer taper connecting shafts, inner taper sliding rings, fastening and adjusting screws, and the reinforced nylon plum-blossom-shaped elastic ring, wherein one outer taper connecting shaft, one inner taper sliding ring and the fastening and adjusting screws forman assembly; and each outer taper connecting shaft is provided with three grooves, so that the outer taper connecting shaft and the transmission shaft or a driven shaft are expanded to be connected together and are clamped through expanding. Two connecting shaft assemblies are in plum-blossom-shaped elastic connection. According to the bearing bush, installation and adjustment are simple, the rotating features are identical in the working running process, and thus the bearing bush is suitable for high-precision high-stability transmission, and the practicability is high.

The invention discloses a steering system of a full-electric piling car. The steering system comprises an operation rudder, an operation connecting rod, a tiller seat, a steering shaft, a driving wheel, an upper shaft sleeve and a lower shaft sleeve. The lower end of the steering shaft is in shaft connection with the driving wheel, and the upper end of the steering shaft is in locked connection with the tiller seat; the operation rudder is fixed to the tiller seat through the operation connecting rod which is arranged in an inclining manner, and the included angle between the operation connecting rod and the horizontal plane ranges from 30 degrees to 60 degrees; handles allowing the left hand and the right hand to be held are arranged on the operation rudder; basic control buttons are arranged on the handles; the upper portion and the lower portion of the steering shaft are fixed to a rack through the upper shaft sleeve and the lower shaft sleeve respectively; an upper needle bearing is arranged between the steering shaft and the upper shaft sleeve; and a vibration reduction spring which is arranged on the steering shaft in a sleeving manner is arranged on the lower side of the upper shaft sleeve, and a lower needle bearing is arranged between the lower shaft sleeve and the steering shaft. The steering system has the advantages of being simple in structure, convenient to manufacture, reliable in motion, easy in steering, high in generality and convenient to maintain.

The invention provides a variable pitch radius based star chain transmission stepless speed change device. The device is characterized in that: a star sprocket device on a transmission main shaft is driven by adopting a motor, and forms a sprocket transmission pair by combining with a bush roller chain; the star sprocket device comprises a control wheel arranged on the transmission main shaft, and left and right auxiliary wheels which are arranged on two sides of the control wheel respectively; a control wheel stator and a control wheel rotor which are connected with the transmission main shaft are arranged on the inner diameter of the control wheel body; two rows of staggered supports are uniformly distributed on the circumference of the outer profile of the control wheel, and are connected with synchronizers on the left and right auxiliary wheels through connecting rods. According to the variable pitch based star chain transmission stepless speed change device, the problems that a conventional traditional friction type stepless gearbox can not complete power transfer without friction, a high-power stepless gearbox can not realize high push power adjustment without a hydraulic system, and a silent chain transmission stepless gearbox system has higher price and the like can be solved. The variable pitch radius based star chain transmission stepless speed change device is suitable for various heavy construction equipment under heavy-load low-speed conditions, such as middle-high class cars, machine tools, hoisting machinery, heavy-load vehicles, lorries, elevators, transmission machinery.

The invention provides a mold closing mechanism, which belongs to the technical field of plastic forming and solves the problems of complicated structure, high processing difficulty and high cost of a conventional mold closing mechanism. The mold closing mechanism comprises a fixed template, a back template and a pull rod, wherein a movable template is also glidingly arranged on the pull rod; a mold is arranged between the movable template and the fixed template; one side of the back template is provided with a power mechanism; a through hole is formed in the back template; a top rod is arranged in the through hole in a penetrating way and is connected with the power mechanism; a plurality of rows of clamp teeth are arranged on the peripheral surface of the top rod; the other side of the back template is provided with a locking mechanism; the top rod passes through the locking mechanism and abuts against the movable template; the locking mechanism can tightly lock the clamp teeth; an oil bag sheaths the top rod and is arranged between the locking mechanism and the back template; and after the oil bag is filled with hydraulic oil, the oil bag can push the locking mechanism so that the top rod tightly abuts against the movable template. The mold closing mechanism has the advantages that the structure is simple, the cost is low, and the response speed is high.

The invention belongs to a device for converting linear movement into rotating movement, and particularly relates to a double-hydraulic-cylinder acting rotating device and a double-hydraulic-cylinder acting hydraulic control system. The rotating device and the hydraulic control system solve the problem that the existing mechanism for converting linear movement into rotating movement has great space and cannot form permanent sustainable rotating movement. The double-hydraulic-cylinder acting rotating device comprises a 90-degree crankshaft, wherein the 90-degree crankshaft is provided with two shafts, the shaft surfaces of the two shafts of the 90-degree crankshaft are arranged in a way of forming 90 degrees, and the two shafts of the 90-degree crankshaft are respectively connected with a rotating oil cylinder a and a rotating oil cylinder b.

The present invention discloses a hub motor. It includes motor main case and motor cover which are mutually fixedly connected, on the main shaft of its shaft centre the stator left and right end covers fixedly connected with said motor are cover-mounted, said motor can be covered by the left and right end covers of stator and mounted in the interior of motor main case, in the interior of rotor iron core of motor a rotor liner is mounted, and between said motor and planetary reducing mechanism a roller clutch formed from clutch outer ring, roller retaining frame, roller and lefa spring is set, and said planetary reducing mechanism is a double-geared speed reducing one formed from driving gear, planetary gear on planetary spindle, gear III, bearing gear and internal gear, the internal gear is fixedly connected with motor cover so as to implement power transmission.

The invention relates to the technical field of soft magnetism alloy magnetic powder, in particular to a soft magnetism alloy powder used for a electromagnetic transmission component. The chemical component of the soft magnetism alloy magnetic powder comprises, by mass percentage, Fe(100-Q-R-T-W-X-Y-Z)CoQNiRCuTCrUSiXMYM'Z, M and M' are trace other metal or non-metal elements, wherein M is one or more of metal elements except Fe, Co, Ni, Cu and Cr, M' is one or more of non-metal elements of C, O, N, P, S, B, Q=19-23, R=8-10, T=0.1-0.4, U=0.5-1.9, X=0.1-1.2, Y<=0.2, Z<=0.2, and the balance of Fe. The magnetic powder has ordered / disordered phase-change characteristics, and the phase change temperature range is 530-560 DEG C. The magnetic powder has the advantages that the magnetic induction is high, the magnetic conductivity is high, the coercive force is low and residual magnetism is low, the magnetization intensity and the magnetic force are high under an excitation state, the magneticpowder does not aggregate and the fluidity is good under a demagnetization state. The hardness is high, the friction force is high, and the wear resistant performance is good.