55567 results about "Drive shaft" patented technology

The present invention belongs to the technical field of coal mine drilling rigs, and relates to an intelligent directional coal mine drilling rig and a drilling method thereof. The intelligent directional coal mine drilling rig comprises a moving platform, a frame, a clamping device, a main manipulator, a power head, a drill pipe storage system, a control system and a hydraulic system. The present invention improves the structure of a power head by providing an angle adjuster having accurate angle adjusting and anti-rotation locking functions on the side of a transmission away from a main motor, a driving shaft in the transmission connecting the main motor and the angle adjuster; in addition, the control system comprises a tool face angle measurement and initialization system. Therefore, by means of cooperation between the tool face angle measurement and initialization system and the angle adjuster, the present invention solves the problems that drilling rigs in the prior art lack special tool face angle adjusting devices and thus have low precision and efficiency in trajectory adjustment and have difficulty in achieving automatic directional drilling.

The present invention relates to a coal mine intelligent directional drill and its drilling method, belonging to the technical field of coal mine drills. It comprises a moving platform, machine frame, clamper, main manipulator, power head, drill pipe storage system, control system, and hydraulic system. The power head structure is improved by adding an angle adjuster with accurate angle adjustment, locking, and anti-rotation functions. The angle adjuster is positioned on the gearbox side opposite the main motor, connected via a driving shaft. The control system includes a toolface azimuth detection and initialization system that works with the angle adjuster. This solves prior issues such as the absence of specialized toolface azimuth adjustment devices, low precision, low track adjustment efficiency, and challenges in achieving automatic directional drilling in the prior art. The invention enhances precision and efficiency, enabling automated, intelligent directional drilling.

A motor assembly is described and includes a housing; a plurality of motors disposed within the housing; and a drive shaft comprising a plurality of interconnected drive shaft segments, wherein each one of the drive shaft segments is driven by a different one of the motors connected to the drive shaft segment via an integrated overrunning clutch.

A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; a motor configured to drive the impeller; and a bearing assembly disposed adjacent the motor and configured to receive an end of the drive shaft. The bearing assembly includes a bearing, where the end of the drive shaft is at least partially rounded, and the where the bearing includes a concave depression defined in a first side of the bearing, where the depression is configured to receive the end of the drive shaft. The bearing assembly may include a lubricant chamber configured to hold a lubricant.

An integrated electric motor drive. The motor drive having rotatable parts with a drive shaft and a rotor, wherein the drive shaft extends along a rotor axis and the rotor is mechanically coupled to the drive shaft; and static parts having a stator and power electronics for controlling an electric current through the stator. The integrated electric motor drive has a liquid cooling system with a closed liquid cooling circuit and a liquid coolant agitator. The closed liquid cooling circuit is filled with liquid coolant being in thermal contact with the stator and / or the power electronics. The liquid coolant agitator is arranged and configured to circulate the liquid coolant along the closed liquid cooling circuit. The liquid coolant agitator is mounted within the closed liquid cooling circuit to be rotatable about the rotor axis, and the liquid coolant agitator is magnetically coupled to the movable parts.

A cranking mechanism preferably includes a planetary gear, a drive shaft, a one way bearing, a clutch assembly, and at least one drive unit. The clutch preferably includes a clutch pressure plate, a flywheel, friction surfaces and at least one friction plate. Each drive unit includes a carrier, a spool and a flywheel. The one way bearing and the clutch assembly are axial on the drive shaft. A pressure locking nut is threaded on to a threaded end of the crank shaft to exert pressure on the clutch assembly. The sun gear is fixed on the drive shaft. The at least one drive unit is axial with the drive shaft, and fixed with the carrier of the planetary gear set. The pressure locking nut is tightened against the clutch assembly to frictionally engage the drive shaft with the at least one drive unit.

The present invention relates to the technical field of brushless electric motor cooling, and specifically relates to a brushless electric motor cooling device, comprising an electric motor body, a transmission shaft, a liquid storage tank and a top cover, and further comprising a cooling assembly, wherein the transmission shaft is fixedly mounted in the electric motor body; the cooling assembly is fixedly mounted on the electric motor body; the liquid storage tank is fixedly mounted at one end of the cooling assembly; and the top cover is fixedly mounted at the other end of the cooling assembly. The present invention solves the problem of existing brushless electric motors being easily damaged during a high-load and high-speed rotation process caused by simple air cooling or water cooling being unable to provide a satisfactory cooling effect for excessive heat generated by the brushless electric motors when rotating at high speed for a long time. The present invention enables a brushless electric motor to be cooled rapidly, significantly improving the cooling effect for the brushless electric motor and prolonging the service life thereof.

The invention provides a driving control mechanism which is applied to a left ventricle assisting device, the left ventricle assisting device further comprises a transmission shaft, the driving control mechanism comprises a shell, a twisting shell driving module and a mandrel driving module, the twisting shell driving module and the mandrel driving module are sequentially arranged in the shell, and the far end of the twisting shell driving module is in transmission connection with a twisting shell of the transmission shaft. The far end of the mandrel driving module is in transmission connection with a mandrel of the transmission shaft and is detachably connected with the near end of the twisting shell driving module. When the far end of the mandrel driving module is connected with the near end of the twisting shell driving module, the mandrel driving module drives the mandrel and the twisting shell to rotate synchronously. When the far end of the mandrel driving module is separated from the near end of the twisting shell driving module, the twisting shell driving module drives the twisting shell to rotate relative to the mandrel. According to the driving control mechanism, synchronous or relative rotation of the mandrel and the twisting shell can be achieved, then folding, unfolding and rotating movement of a pump head impeller in the left ventricle auxiliary device is achieved, and the use efficiency and safety of the left ventricle auxiliary device are improved.

A vacuum pump for generating a negative pressure includes a pump housing having a pump chamber with a rotor and a motor for driving the rotor with a drive shaft rotatable about a longitudinal axis, a first and a second inlet line. The second inlet line leads through the pump housing into the pump chamber. A first outlet line leads from the pump chamber through the pump housing. The pump has a first outlet valve and a second outlet line connected to the pump housing. A connecting part is attached to a connecting surface running circumferentially to the longitudinal axis, and the outlet valve with the second outlet line is formed in the connecting part. The connecting part further has the first inlet line, with a first connecting opening formed in the connecting part housing, via which the first inlet line is connected to the second inlet line.

Aspects of the present technology relate to compressible and expandable pumps. In one aspect, a pump is provided including a pump housing that is expandable and compressible and a rotor that is expandable and compressible and disposed in the pump housing. The rotor includes at least one rotor blade, a hub, and an axis of rotation. At least a portion of the at least one rotor blade extends from the hub along a first axis that is offset a predetermined distance from a radial axis of the rotor that traverses the axis of rotation. The pump further includes a drive shaft having a proximal end and a distal end, wherein the hub of the rotor is mounted to the distal end of the drive shaft and the drive shaft is rotated to rotate the rotor.

The invention relates to the technical field of machine tools, and particularly discloses a gantry machine tool overall real-time thermal error compensation method based on CNN-BIGRU-A. The gantry machine tool overall real-time thermal error compensation method comprises the steps that historical temperature data and historical thermal deformation data of a main shaft and a transmission shaft are obtained; constructing a thermal error prediction model, and training the thermal error prediction model according to the historical temperature data and the historical thermal deformation data to obtain a trained thermal error prediction model; transmitting the current temperature data of the main shaft and the transmission shaft to the trained thermal error prediction model to output a current thermal error compensation value of the main shaft and a current thermal deformation calculation value of the transmission shaft; the machine tool numerical control system calculates the current thermal error compensation value of the target position point according to the coordinate of the target position point on the transmission shaft; and the machine tool numerical control system performs compensation according to the current thermal error compensation value of the main shaft and the current thermal error compensation value of the target position point on the transmission shaft. According to the invention, a high-frequency and high-synchronization compensation strategy can be realized.

The invention discloses a self-powered intelligent network connection ball valve for adjusting fluid. The self-powered intelligent network connection ball valve comprises a ball valve body and an intelligent network connection control module arranged on the ball valve body. The ball valve body comprises a ball body, a rotating wheel arranged on the ball body, a transmission shaft connected with the rotating wheel and a generator connected with the transmission shaft. The generator is used for supplying power to the intelligent network connection control module; the intelligent network connection control module comprises a controller; the controller is used for adjusting the valve opening degree of the ball valve body. The pressure and the flow of the valve outlet can be more accurately controlled, and electric power can be provided for the intelligent network connection ball valve.

The invention provides a self-regulation type wide-speed-range wind energy collection device. The self-regulation type wide-speed-range wind energy collection device comprises a mounting base, a driving shaft, a power generation mechanism and a shifting mechanism. The mounting base is provided with a containing cavity. The driving shaft is rotationally arranged on the mounting base and penetrates through the containing cavity, and the end, extending out of the mounting base, of the driving shaft is connected with fan blades. The multiple power generation mechanisms are arranged in the containing cavity, and the power generation mechanisms are arranged in the axis direction of the driving shaft at intervals. The number of the shifting mechanisms is multiple, and all the shifting mechanisms are arranged in the containing cavity and fixedly connected with the driving shaft. The stirring mechanisms are in one-to-one correspondence with the power generation mechanisms, and each stirring mechanism is provided with a stirring part. And the shifting part in each shifting mechanism can be in power connection with the corresponding power generation mechanism after the driving shaft reaches the corresponding rotating speed so as to drive the power generation mechanism to generate power. The self-regulation type wide-speed-range wind energy collecting device can adapt to a wide wind speed range, adaptability is high, and meanwhile the service life of the fan blades and other components can be prolonged.

The invention discloses a polishing device and polishing equipment, the polishing device comprises a polishing mechanism and an angle adjusting mechanism, a driver of the polishing mechanism is mounted on a mounting part, and a transmission shaft is connected with the driver and can be driven by the driver to rotate around the axis of the transmission shaft; the angle adjusting mechanism comprises a universal joint and an elastic reset assembly, the universal joint is connected between the polishing component and the transmission shaft, and the polishing component is provided with a first position where the included angle between the polishing component and the transmission shaft is larger than zero degree and a second position where the included angle between the polishing component and the transmission shaft is equal to zero degree. The polishing component drives the elastic reset assembly to deform from the first state to the second state in the process of rotating from the second position to the first position, and the elastic reset assembly drives the polishing component to return to the second position in the process of recovering from the second state to the first state. The problems that the swing angle of the polishing head of the polishing machine is complex to adjust, and the workload of programmers is large are solved.

This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is positioned on a first side of the cutter (21) for interacting with a drive shaft (33) which is rotated about the axis X-X by a drive apparatus (2) outside the pilot bore hole (14) and a body (15) positioned on a second side of the cutter (21) for transferring thrust from a thrust apparatus (4) outside of the enlarged bore hole (18) to the cutter (21).

The invention relates to the technical field of air purification, in particular to movable air purification equipment. The device comprises a filtering device, and a dredging device and a collecting device which are arranged in the filtering device. According to the air purifier, when the motor drives the fan blades to rotate through the transmission shaft so as to accelerate the speed of air passing through the air filter element, the control panel in reciprocating threaded connection with the transmission shaft can drive the elastic air bag to contract and stretch, the volume of the elastic air bag is increased during stretching, and negative pressure is formed in the elastic air bag to suck air purified by the air filter element; during compression, the size of the elastic air bag is reduced, air in the elastic air bag is compressed, enters the air injection structure through the exhaust pipe and then is sprayed out of the filter screen through the air flushing opening, so that blockages on the filter screen are impacted by airflow to fall off from the filter screen, the filter screen is prevented from being blocked, and the air purification efficiency of the equipment is ensured.

An automated directional drilling machine for a coal mine, comprising: a moving platform (1), a rack (2), a clamping device (3), a main mechanical arm (4), a power head (5), a drill rod storage system (8), a control system (6), and a hydraulic system (7). By improving the structure of the power head (5), an angle adjustor (503) is arranged on the side of a transmission (502) away from a main motor (501), and a transmission shaft (50301) in the angle adjustor (503) is circumferentially and fixedly connected to a driving shaft (50201), so that accurate and efficient adjustment of a tool face angle is achieved by means of the angle adjustor (503) having the functions of accurate angle adjustment and locking to prevent rotation, and the structure of a rotation braking device of the main motor (501) is simplified.

The invention discloses a waterproof coating performance detection device and method, and belongs to the field of waterproof coating detection. A waterproof coating performance detection device comprises a detection box and further comprises a mounting plate sliding in the vertical direction of the detection box, a detection disc is placed on the mounting plate, a clamping part for clamping and fixing the detection disc is arranged in the detection box, and a detection part for measuring the anti-permeability performance of a coating is arranged at the bottom of the mounting plate; the driving shaft is rotationally connected into the detection box, the bottom end of the driving shaft is fixedly connected with a spraying box, and a feeding part for conveying a detection medium into the spraying box is arranged at the top of the detection box. The spraying box is driven by the driving shaft to rotate, so that waterproof paint is uniformly sprayed in the detection disc, and the movable coating plate extends out in cooperation with the gravity extrusion effect of the waterproof paint on the sliding plate, so that the waterproof coating is scraped, the uniform and compact waterproof coating is formed in the detection disc, and the detection effect is effectively improved.

The invention relates to the technical field of driving shaft machining, and discloses conveying equipment for heat treatment of an automobile driving shaft. The quenching device comprises a conveying mechanism used for conveying the driving shaft and a quenching mechanism used for heating and cooling the driving shaft, a plurality of limiting frames capable of moving in a telescopic mode are arranged on the conveying mechanism, and each limiting frame comprises a sliding strip and two shaft frames which are arranged on the sliding strip and used for containing and limiting the driving shaft. Therefore, the conveying mechanism can stably convey the driving shaft, and meanwhile quenching of the quenching mechanism on the driving shaft is not affected. The quenching mechanism comprises an induction heating coil which is arranged above the conveying mechanism and can move transversely and an ejector rod used for limiting axial movement of the driving shaft. The conveying mechanism is improved and combined with the quenching mechanism, so that the heat treatment process of the driving shaft can be automatic and streamlined, and the quenching efficiency of the driving shaft is improved while the quenching effect of the driving shaft is ensured.

The invention relates to the technical field of logistics, and particularly discloses an automatic sorting goods shelf and a sorting system thereof.The automatic sorting goods shelf comprises a base, two goods shelf bodies are installed in the middle of the top end of the base, and a plurality of lifting mechanisms are installed on the two goods shelf bodies; the lifting mechanism comprises a storage box, a through opening, a fixing frame, a positioning mechanism, a double-head motor, a driving shaft and a lifting gear. After a double-head motor is started, a lifting gear is precisely meshed with a tooth groove to drive a storage box and a placing goods shelf to move up and down, then a first driver is started, and a double-head screw is driven to rotate through tight meshing transmission of two bevel gears to enable two positioning blocks to be accurately inserted into corresponding positioning grooves, so that the storage box is firmly and stably fixed; by means of the design, the height of each layer of the goods shelf can be flexibly adjusted so as to adapt to goods of different sizes, the space utilization rate of the goods shelf is greatly improved, and the sorting difficulty and time cost are effectively reduced.

The invention relates to the technical field of testing, in particular to electric connector joint testing equipment which comprises a testing table and a digital display control panel, a mounting cavity and a testing cavity are formed in the testing table, and two clamping structures are arranged in the testing cavity. A second electric telescopic rod capable of driving one of the clamping structures to move in the test cavity is arranged in the test table, and an eccentric connecting rod driving mechanism capable of driving the other clamping structure to move in the test cavity in a reciprocating manner is arranged in the mounting cavity; the eccentric connecting rod driving mechanism can simulate the plugging action of an electric connector joint through the transmission of a rotating motor, a speed reducer, a turntable, a connecting rod and a driving shaft; the pressure sensor monitors the plugging force in real time, the vibration motor simulates the vibration working condition, the performance of the electric connector joint in actual use can be tested more comprehensively, the deviation adjusting structure can adjust the position of the driving head end of the driving shaft, tests in different deviation states are simulated, and the accuracy and authenticity of the tests are further improved.

The invention discloses a brushless planetary gear speed reducing motor, and belongs to the technical field of planetary gear speed reducing motors, the brushless planetary gear speed reducing motor comprises a base, a heat dissipation assembly and a torque self-adjusting assembly, the upper surface of the base is fixedly connected with a shell, the shell is provided with an air hole penetrating through the inner side and the outer side of the shell, and the outer side of the shell is provided with a heat conduction strip; a bearing in the shell is connected with one end of a motor winding, and the other end of the motor winding is coaxially and fixedly connected with one end of a driving shaft. According to the motor, the fan structure and the water-cooling heat dissipation structure are arranged inside the motor, so that the heat dissipation efficiency and effect can be improved, and the problem that the heat dissipation efficiency and effect are poor due to the fact that only the fan structure is arranged in the past and hot air circulates inside and outside the shell is solved; and after the motor is started, the torque is gradually reduced, so that the strength of the structure is improved, and the situation that the strength is reduced due to the fact that the torque is too long is avoided.

The invention discloses a food conveying device with an anti-falling mechanism for food processing, and relates to the technical field of food processing.The food conveying device with the anti-falling mechanism for food processing comprises a mounting frame, a conveying assembly is arranged on the mounting frame and comprises a driving motor and a conveying belt, and the conveying belt is rotationally mounted on the inner side of the mounting frame; the driving motor fixedly penetrates the side wall, away from the conveying belt, of the mounting frame. The output end of the driving motor is fixedly connected with a driving shaft of the conveying belt. According to the food conveying device with the anti-falling mechanism for food processing, multiple sets of partition plates arranged at equal intervals are arranged on the conveying belt, dough can be separated to be conveyed, material collision is prevented, when the dough is conveyed to the end of the conveying assembly, a push block rotates, the push block applies extrusion force to the dough, the dough is extruded and pushed, and the dough is conveyed to the end of the conveying assembly. The dough can be pushed away from the conveying belt, and the situation that the dough adheres to the conveying belt and is inconvenient to fall off is prevented.

The invention relates to the technical field of laser welding, in particular to a multi-station automobile part laser welding system which comprises a workbench, laser welding equipment is installed on the workbench, a fixing sleeve is fixedly connected to the workbench, a rotating disc is rotatably connected to the interior of the fixing sleeve in a penetrating mode, and a plurality of adjusting machining tables are fixedly connected to the rotating disc. An adjusting seat is rotationally connected to the adjusting machining table, a limiting transmission sleeve is rotationally connected to the adjusting seat, an automobile transmission shaft is placed in the limiting transmission sleeve, a pretreatment seat is fixedly connected to one side of the workbench, a pretreatment mechanism is rotationally connected to the interior of the pretreatment seat, and the pretreatment mechanism comprises a grinding brush wheel and a flushing pipe; before the automobile transmission shaft is welded, the automobile transmission shaft can be automatically cleaned through the rotating grinding brush wheel before welding, the cleanliness of the welding face is ensured, and therefore the welding quality is improved, the production cost is reduced, the production efficiency is improved, and the high requirement of modern automobile manufacturing is met.

This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill string (32) being formed by a plurality of connected string segments (13), each string segment (13) with a drive shaft (33) aligned along the central axis for rotation there about and an elongate casing (34) that houses the drive shaft (33). The front end of one string segment (13) is adapted to connect with the back end of another string segment (13) to form the drill string (32) by way of a latch connection, the latch connection being adjustable so as to vary the tolerance between said front end of one string segment (13) and said back end of another string segment (13) while connected.

The utility model discloses a coffee machine grinding fine adjusting structure which comprises a grinding cylinder and a grinding assembly located in a grinding cavity of the grinding cylinder, the grinding assembly comprises a movable grinding wheel, a static grinding wheel and a transmission shaft, the transmission shaft is arranged in a base in the center of the grinding cavity, and the input end of the transmission shaft is connected with a driving device of a coffee machine. The movable grinding wheel is arranged at the output end of the transmission shaft, a transmission plate is arranged at the bottom of the movable grinding wheel, a pin column inserted into a pin hole in the bottom surface of the movable grinding wheel is arranged on the inner surface of the transmission plate, the transmission shaft is driven by the driving device to drive the transmission plate to enable the movable grinding wheel to rotate relative to the static grinding wheel, and grinding of coffee powder is achieved. The thread assembly is arranged on the shaft head of the output end of the transmission shaft where the movable grinding wheel is installed, the axial position of the movable grinding wheel on the transmission shaft can be changed by adjusting the thread assembly, bidirectional adjustment of the movable grinding wheel and the static grinding wheel is achieved, the adjusting range of a gap is enlarged, fine adjustment can be completed under the requirement for large thickness, and the grinding wheel can be adjusted conveniently. And the grinding effect and the use experience are improved.

The utility model relates to turn-over equipment for welding an automobile hub. The turn-over equipment comprises a bottom frame, the overturning frame is rotatably connected to the bottom frame through a driving shaft, and a clamping position is arranged in the overturning frame; the power end of the turnover driving mechanism is connected to the driving shaft, and the turnover driving mechanism is used for driving the turnover frame to execute turnover action through the driving shaft; the chain wheel driving device comprises two conveying roller sets and a conveying roller driving mechanism, the two rows of conveying roller sets are installed above and below the corresponding clamping positions of the overturning frame respectively, and the conveying roller driving mechanism is in power connection with the conveying roller sets so as to drive the conveying roller sets to rotate; and the pressing device is installed on the overturning frame, and the action end of the pressing device faces the clamping position so that the automobile hub at the clamping position can be clamped in the overturning process of the overturning frame. The turnover equipment has the characteristic of high automation degree, can be integrally mounted on a hub feeding and discharging conveying line, and can be widely applied to turnover of hubs of various specifications.

The utility model relates to the related technical field of electric chairs, in particular to a multifunctional hemodialysis electric chair which comprises a base and a lifting mechanism, the lifting mechanism is arranged on one side of the surface of the base, a cushion is installed at one end of the lifting mechanism, a leg support is attached to one side of the surface of the cushion, and the other end of the cushion is connected with a chair back. A clamping mechanism is arranged on one side of the surface of the chair back, a handrail is mounted at one end of the chair back, and a rotating mechanism is arranged at one end of the chair back. According to the electric chair based on multifunctional hemodialysis, through the arrangement of the lifting mechanism, when the electric chair is used, a first air cylinder is started to drive a first connecting plate to move, so that a first driving shaft rotates and jacks up, the first driving shaft drives a third connecting plate and a fourth connecting plate to move, and then the third connecting plate jacks up one end of a supporting frame; the fourth connecting plate rotates around the power-assisted shaft and is jacked up to drive the fifth connecting plate to move, and finally the supporting frame is jacked up.

An energy storage and delivery system includes an elevator operable to move blocks from a lower elevation to a higher elevation to store energy and from a higher elevation to a lower elevation to generate electricity. A winch assembly is movably coupled to a cable that is coupled to the elevator. The winch assembly has planetary gear assemblies, brakes that selectively engage at least a portion of the planetary gear assemblies, and a spool coupled to the cable. A drive shaft extends between a motor-generator and the winch assembly. A brake is operable so that the spool rotates to reel-in the cable to raise the elevator to move a block from a lower elevation to a higher elevation to store energy or so that the spool rotates to reel-out the cable to lower the elevator to move a block from a higher elevation to a lower elevation to generate electricity.

Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, but also provide large-torque pulling force. A forward direction of a transmission nut is based on a rotation direction of a motor. By controlling the forward rotation or reverse rotation of a transmission shaft of the motor, the forward or backward movement of an operation tool can be realized at low cost through power transmission.