16results about How to "High torque transmission" patented technology

The invention discloses a large-diameter direct-drive permanent magnet synchronous double lock catch and an assembling method thereof, the large-diameter direct-drive permanent magnet synchronous double lock catch comprises a rotor hub, the periphery of the rotor hub is correspondingly and sequentially wound with a plurality of punching sheet magnetic isolation fixing blocks, a clamping groove is correspondingly formed between the tops of every two adjacent punching sheet magnetic isolation fixing blocks, a punching sheet is correspondingly arranged in each clamping groove, and the punching sheet magnetic isolation fixing blocks are arranged in the clamping grooves. A placing groove is correspondingly formed between every two adjacent punching sheets, and magnetic steel is correspondingly arranged in the placing grooves. An iron core of an original integrated rotor punching sheet is split into a single-tooth structure and is divided into the punching sheets and the punching sheet magnetic isolation fixing blocks, the punching sheets and the punching sheet magnetic isolation fixing blocks are distributed and installed respectively, installation is convenient, and meanwhile the operation difficulty of the technology is greatly reduced.

The invention provides a transmission mechanism and an isolating switch, and relates to the technical field of low-voltage electrical appliances, the transmission mechanism comprises a first four-bar mechanism, the first four-bar mechanism is used for being connected between an operating mechanism rotating shaft and a body rotating shaft, and the operating mechanism rotating shaft drives the body rotating shaft to synchronously rotate through the first four-bar mechanism to enable a switch body to be switched on and switched off; the rotating angle of the operating mechanism rotating shaft is smaller than that of the body rotating shaft. The first four-bar mechanism and the switch body are driven to be linked in sequence through the action of the operating mechanism to realize opening and closing; compared with an existing structure that a connecting rod is connected, the first four-connecting-rod mechanism meets the transmission requirement that the distance between a rotating point (an operating mechanism rotating shaft) of the operating mechanism and a rotating point (a body rotating shaft) of the switch body is small under the miniaturized space layout, and the rotating angle of the operating mechanism is smaller than that of the switch body; and the transmission is stable and reliable, the transmission torque is large, the angle conversion requirement in a small space is met, and the arrangement of miniaturized products is facilitated.

The utility model discloses an automobile steering simulator structure which comprises a simulator, a coupler and a steering wheel, the output end of the simulator is fixedly connected with the coupler, one end of the coupler is fixedly connected with the steering wheel, a rear cover is embedded in the bottom of the simulator, a plurality of installation holes are formed in the bottom of the simulator, and the installation holes are communicated with the simulator. A DC power interface and a USB interface are fixedly arranged in the middle of the rear cover, and a first cavity and a second cavity are fixedly arranged in the simulator. According to the automobile steering simulator structure, steering road feeling transmission is direct, transmission torque is large, time delay and shaking are avoided, the problem of pain points of a traditional non-direct-drive steering simulator is solved, the structure is simple, and the system cost is lower than that of the traditional non-direct-drive steering simulator.

This utility model relates to a roller-type bidirectional overrunning clutch, comprising an inner wheel and an outer wheel. The outer wheel has a flange with mounting holes for fixing to external components. Multiple rollers are evenly distributed along the circumference between the inner and outer wheels. The outer edge of the inner wheel has a wedge-shaped inclined surface that mates with the rollers. Self-locking is achieved by varying the gap between the inner and outer wheels. Each roller has a spring on one side and a shift fork on the other. A left-side bearing is also provided between the inner and outer wheels. A right-side bearing is provided between the shift fork and the outer wheel. Sealing caps are provided on the outer sides of the left and right bearings. The clutch is filled with grease, and the bearings and their sealing caps restrict grease outflow. This utility model has a large internal space, accommodating more rollers and springs, and transmitting a larger torque. The inner wheel has a simple shape and is easy to manufacture. Clutch sealing is achieved through the reasonable arrangement of the bearings on both sides. The internal grease filling eliminates the need for external oil passages, making the clutch an independent unit.

The present invention relates to a rotary blowout preventer, and in particular to a rotary blowout preventer for use with a top drive, which is used to solve the problem that the existing rotary blowout preventer cannot achieve wellhead rotary sealing because the round drill pipe cannot transmit power through a square clamp during top drive operation. The rotary blowout preventer for use with a top drive clamps the round drill pipe through a pneumatic or hydraulic rotary chuck to transmit a rotational torque, and transmits the rotational torque to a rotating body of the rotary blowout preventer, driving the rubber sleeve to rotate synchronously with drilling; there is no relative movement between the rubber sleeve and the round drill pipe, which not only achieves the wellhead rotary sealing during the top drive rotary cycle operation, but also avoids the wear of the inner hole of the rubber sleeve due to the relative movement between the round drill pipe and the rubber sleeve, thereby preventing the loss of sealing function.

The utility model discloses a heat dissipation and chip removal type driving disc assembly for a brake, which comprises a driving disc body, spline teeth are arranged on the inner ring surface of the driving disc body, the driving disc body can be conveniently connected with a spline shaft, the driving disc body is made of metal materials, the outer circle of the driving disc body is of a non-full-circle structure, and the outer circle of the driving disc body is made of metal materials. The friction disc is composed of rotating fan blades which are arranged at intervals, all the rotating fan blades are evenly distributed along the circumference, and each rotating fan blade is provided with a friction disc. The driving disc body and the friction disc are respectively provided with a connecting hole, and the driving disc body and the friction disc are connected together through connecting pieces and the connecting holes. The driving disc body and the friction disc are both of a non-full-circle structure, the friction disc can slightly extend towards the two sides after being heated, deformation and collapse caused by extrusion are effectively prevented, in addition, the friction disc makes partial contact with a rotating component, and the heat dissipation effect is good.

The utility model relates to a hydraulic clutch of a spiral clearance machine. The hydraulic clutch comprises an input shaft, an output shaft and a protective shell assembly. A driving chain wheel and a driven chain wheel are arranged in the protective shell assembly, and teeth are arranged on the opposite sides of the driving chain wheel and the driven chain wheel in the circumferential direction. One end of the input shaft extends into the protective shell assembly and then is in driving connection with the driving crankset; after one end of the output shaft extends into the protective shell assembly, the driven chain wheel is circumferentially limited on the output shaft; and a hydraulic driving assembly is fixedly mounted on the protective shell assembly, is in driving connection with the driven chain wheel, and is used for driving the driven chain wheel to be close to or away from the driving chain wheel. The hydraulic clutch has the advantages that due to the fact that the hydraulic clutch is driven through hydraulic power, the transmission torque is large, and meanwhile the hydraulic clutch can bear large loads, the hydraulic clutch can be stably switched between a power output state and a power cut-off state under the condition that the hydraulic clutch bears large positive pressure, and the hydraulic clutch cannot be blocked by materials.

The utility model relates to a special tool for a track electricity testing pile. The special tool for the electricity testing pile comprises a base, a first rotating rod, a second rotating rod, a first bevel gear, a second bevel gear and a fixed seat, a first bevel gear is arranged at one end of the first rotating rod; a second bevel gear is arranged at one end of the second rotating rod; the first bevel gear is meshed with the second bevel gear; the first bevel gear is installed in the longitudinal direction of the base, and the second bevel gear is installed in the transverse direction of the base. The first rotating rod is connected with the base through a fixing seat; the first rotating rod is externally connected with an electric tool; the first rotating rod is mounted in the longitudinal direction of the base; and the second rotating rod is mounted in the transverse direction of the base. The fixing device has the advantages that the occupied space is small, the electricity testing pile can be rapidly fixed to the rail according to the using scene of the electricity testing pile, the fixing effect is definite, the fixing device can be widely applied to rail operation, and the wide application prospect is achieved.

A photo-thermal rotation driver and a heliostat tracking system are disclosed, the photo-thermal rotation driver comprises a horizontal rotation mechanism and a pitching rotation mechanism, the horizontal rotation mechanism comprises a first box body, a first worm gear and a first worm, and the first worm gear and the first worm are installed in the first box body. The pitching rotation mechanism comprises a second box body, a second worm gear and a second worm, the second box body is fixedly connected with the first worm gear, and the second worm gear and the second worm are installed in the second box body. When the first worm drives the first worm gear to rotate, the first worm gear drives the pitching swing mechanism to rotate. Wherein the first worm and the second worm are horizontally placed, and when the horizontal rotation mechanism and the pitching rotation mechanism are in the initial state, the first worm and the second worm are perpendicularly arranged. In this way, on-site installation and debugging are facilitated, and installation directions can be distinguished conveniently and rapidly; meanwhile, the wire swing amplitude is smaller, and the service life of the wire is prolonged.

This invention belongs to the field of downhole workover tool technology, specifically relating to a safety connector. The safety connector includes a lower connector for connecting to a workover tool and an upper connector for connecting to a workover string. The upper and lower connectors have an overlapping section in the axial direction. The upper connector is inserted into the top of the lower connector and locked by a locking structure provided between the upper and lower connectors. The locking structure includes a pressure-pressurizing sleeve to unlock when a pressure-pressurizing ball is inserted into the safety connector and strikes the pressure-pressurizing sleeve downwards. When the upper connector is moved upwards by the workover string, a flushing space is formed in the overlapping section. The upper part of the lower connector is provided with an anti-detachment structure to prevent the upper connector from detaching from the lower connector. Workover fluid is pumped into the flushing space through the annular space between the casing and the upper connector to flush solid debris on the workover tool.

The utility model provides a harmonic reducer with high torque and large speed ratio, which comprises an outer shell, an input shaft, an output shaft, a rigid gear, a flexible gear and a conversion shaft, a cam is arranged on the input shaft, and a flexible bearing is arranged on the cam to form a wave generator; the input shaft and the output shaft are rotatably and coaxially arranged through the first bearing and the second bearing respectively, the conversion shaft is arranged between the input shaft and the output shaft, one end of the conversion shaft is fixed to the input shaft, and the other end of the conversion shaft is rotatably installed at the end of the output shaft through the third bearing. The harmonic reducer has the beneficial effects that the conversion shaft is coaxially connected with the input shaft and the output shaft, the input and output coaxiality of the harmonic reducer can be improved, and the axial run-out of the input shaft and the output shaft is reduced, so that the vibration and the noise during the operation of the harmonic reducer are reduced, the stable performance of the harmonic reducer can be kept in the long-time operation process, and the service life of the harmonic reducer is prolonged. The torque bearing capacity can also be improved; the harmonic reducer further has the advantage of being compact in overall structure, and the installation space can be saved.

The invention relates to a vacuum cavity substrate conveying device and method, and the device comprises a vacuum cavity, a transmission system disposed on the inner side of the vacuum cavity, and a power system disposed on the outer side of the vacuum cavity. The transmission system comprises a first transmission device and a second transmission device which are composed of a plurality of magnetic wheels, a plurality of steel belts, a plurality of guide wheels and a plurality of bearings; at least one of the plurality of bearings penetrates through the vacuum chamber and is connected with the power system; the multiple bearings are arranged on the same horizontal line in parallel at equal intervals. The magnetic wheels are uniformly mounted on the bearing; the steel belt is mounted on the magnetic wheel; the multiple guide wheels are installed on the bearings in a one-to-one correspondence mode. The manufacturing cost of the magnetofluid is low, sealing of the magnetofluid is not affected by temperature, machining hole sites of the cavity for installing the magnetofluid are few, and deformation of the cavity is not prone to occurring.

The present invention discloses a mechanical clutch, comprising a shell and a power input device, wherein a planetary transmission mechanism is arranged in the shell, and a cam mechanism for connecting and disconnecting the transmission chain of the planetary transmission mechanism and a locking mechanism for manually locking the cam mechanism are arranged on the top of the shell, and the output end of the power input device is connected to the planetary transmission mechanism. The present invention adopts the cam mechanism and the locking mechanism to realize the function of manually intervening in the engagement and disengagement of the transmission chain, which is a function that the existing clutch does not have at all, and the overall structure is compact, light in weight, large in transmitted torque, and safe and reliable in transmission. The present invention adopts the planetary transmission mechanism to reduce the size and weight of the equipment, reduce the difficulty of maintenance, and improve the working reliability of the traction system. The present invention can have mechanical holding ability after power failure, and can also realize unlocking and locking of the holding ability through manual intervention.

The present invention discloses a tractor axle with a planetary reduction mechanism, which is composed of an axle main reduction mechanism assembly, a planetary gear reduction mechanism assembly and a wheel hub mechanism assembly. The main reduction mechanism assembly is equipped with a main reduction assembly and a main reduction differential lock operating mechanism. The planetary gear reduction mechanism assembly is respectively designed at both ends of the axle main reduction mechanism assembly, and a planetary gear reduction assembly is installed therein. The wheel hub mechanism assembly is equipped with a brake system mechanism and a wheel hub seat. The planetary reduction mechanism assembly of the present invention is designed on both sides of the axle main reduction mechanism assembly, which can realize the axle to reduce speed again after the main reduction. The planetary gear reduction transmission is adopted, with coaxial output, compact structure, high strength and large transmission torque. Under the same wheel side output torque, the design strength of the transmission system and the main reduction gear can be reduced, so that the transmission system and the main reduction assembly can be designed to be more compact and compact, so as to achieve the purpose of reliable use and lightweight manufacturing.

A continuous mining and transportation coordinated conveying system, characterized in that it is composed of a multi-joint transfer system with a crawler-type tail buffer device for traction and a continuously telescopic carrier system with a crawler-type traction tail device for traction; the multi-joint transfer system is overlapped with the continuous telescopic carrier system by riding, and the adjustable speed drive tensioning and remotely controllable self-locking device and part of the multi-joint transfer body in the multi-joint transfer system are always in the bearing track of the segmented wheeled rail car in the continuous telescopic carrier system. The present invention adopts crawler power traction to realize the movement of the tail of the machine, pulling the respective fuselages to move accordingly, realizing the autonomous real-time movement of the multi-joint transfer system and the continuously telescopic carrier system, realizing the continuous transportation between the excavation working face and the main tunnel during the unmanned mining process, and then realizing unmanned remote control and fully automatic operation, which completely changes the traditional situation of relying on manpower or mining and excavation integrated machine traction and movement, reduces the workload of workers, and also greatly improves the safety of underground coal mines.

The invention discloses a supercritical carbon dioxide impeller clearance adjusting mechanism, and belongs to the technical field of thermal power generation equipment. A casing is mounted on a volute, and an adjusting rod is fixedly connected to the casing; an end cover and a bearing seat are respectively mounted on two sides of the volute; an impeller rotor is mounted in the bearing seat; an opening is formed in the end cover and used for allowing the adjusting rod to pass through; the end, away from the casing, of the adjusting rod is provided with threads, and the adjusting rod is in threaded connection with a square nut through the threads. The gap between the impeller rotor and the casing can be effectively adjusted, the collision and abrasion risk of the impeller rotor and the casing is reduced, and the efficiency is improved.