795 results about "Internal rotation" patented technology

The invention belongs to the technical field of rock drills, and discloses a rotary impact type hydraulic rock drill. The rock drilling bit group is arranged in one side of the rock drilling machine shell; the rotating mechanism is arranged at the top of the rock drill shell, and the rotating mechanism is located above one side of the rock drill bit set; according to the technical scheme, by arranging the hydraulic mechanism, the cooling and cleaning assembly and the driving assembly, when the hydraulic mechanism is started to make the output end collide with one end of the middle of the rock drilling bit set back and forth, the top of one side of the driving assembly is driven to move up and down back and forth; cold water in one side of the cooling and cleaning assembly can be pumped back and forth into the other side of the cooling and cleaning assembly, and then the cold water can be sprayed out through the other side, so that heat generated by the impact part of the hydraulic mechanism and the rock drilling bit group can be cleaned and cooled; the service life of parts in the rock drill shell is prevented from being influenced by high temperature.

The utility model relates to the technical field of vacuum feed-through, and discloses a vacuum hollow magnetic coupling feed-through device used for a magnetron sputtering coating machine, which comprises an isolation cover, a magnetic coupling feed-through device and a magnetic coupling feed-through device, the first end of the hollow main shaft extends into the isolation hood; the outer magnetic rotor surrounds the outer side of the isolation cover; the inner magnetic rotor is connected to the outer side of the first end of the hollow main shaft; the input wheel is connected with the outer magnetic rotor and is used for being connected with external driving equipment; according to the utility model, the hollow main shaft is adopted, while magnetic coupling torque transmission is realized, the hollow main shaft rotates in the vacuum chamber, and devices which do not need to be rotated, such as wiring and installation of manipulators, can be accommodated in the hollow main shaft, so that the feed-through structure is endowed with more functional richness, flexibility and various possibilities; flanges at two ends of the isolation cover facilitate connection of an external device outside the vacuum chamber.

The invention relates to the technical field of asteroid simulant testing, and discloses an asteroid simulant spinning process dynamic testing device and a testing method.The asteroid simulant spinning process dynamic testing device comprises a fixed table, a rotating table, a driving assembly, five telescopic assemblies and a measuring plate, the rotating table is rotationally arranged on the surface of the fixed table, and the driving assembly is arranged in the fixed table; five telescopic rods are further arranged on the surface of the rotating table, a measuring plate is arranged at the telescopic end of the telescopic assembly, and a measuring sensor facing the asteroid simulant is arranged in the measuring plate; the five telescopic assemblies and the measuring plate are arranged on the surface of the rotating table, the measuring plate corresponds to the asteroid simulant, and a measuring sensor in the measuring plate is matched, so that synchronous acquisition of three-dimensional axial dynamic deformation data and multi-dimensional measurement covering the periphery and the top of the asteroid simulant can be realized; therefore, a three-axis length and time relation curve of the simulant at different rotation rates and a time-varying curve of the flattening and elongated ellipsoid eccentricity rate are accurately obtained.

The invention relates to the field of roller motors, and the roller motor comprises a rotor assembly which has an annular cross section; a stator assembly, wherein the stator assembly is arranged in the rotor assembly; and the rotary end cover is positioned at one end of the rotor assembly. Wherein the rotor assembly, the stator assembly and the rotary type end cover are coaxially arranged, the rotary type end cover is fixedly connected with the rotor assembly directly or indirectly so as to rotate synchronously with the rotor assembly, and the rotary type end cover and the stator assembly are connected in the mode that the rotary type end cover and the stator assembly can rotate relative to each other. According to the roller motor disclosed by the invention, through the rotary end cover with a special structure, on one hand, a structural basis is provided for external and standardized backstops, and on the other hand, a structural basis is also provided for special bearing arrangement.

The invention provides upper fork burr treatment equipment which comprises a workbench, a top disc is arranged at the top of the workbench, and a plurality of positioning grooves distributed in an annular array are formed in the top disc; the two sides of the multiple positioning grooves are each provided with a pressing and positioning mechanism. The burr grinding and removing mechanism is located above one side of the top disc, and the burr grinding and removing mechanism is installed on the side of the workbench; the burr grinding mechanism comprises a grinding head, and the outer side of the grinding head is sleeved with a telescopic cylinder. The gas injection mechanism communicates with the top side of the telescopic cylinder through a conveying pipeline; and the rotation driving mechanism is arranged in the workbench, and the rotation driving mechanism is connected with the middle of the top disc. The rotary driving mechanism drives the top disc to rotate, the upper forks placed in the multiple positioning grooves are sequentially moved to the burr grinding and removing mechanism, batched upper fork burr treatment is achieved, the machining efficiency is improved, the air injection mechanism, the conveying pipeline and the telescopic cylinder are arranged, and automatic blowing and cleaning can be conducted on a grinding head of the burr grinding and removing mechanism.

The invention relates to the technical field of arthroscopic surgery instruments, in particular to a support for a sports medicine arthroscopic surgery, which comprises a support, a lifting platform and a leg fixing mechanism, and the lifting platform locks the height position of the leg fixing mechanism on the support through a limiting bolt; the leg fixing mechanism comprises a fixed frame fixedly connected with the lifting table and a movable frame hinged through a rotating connector. The pull rope is wound around the guide wheel in the sliding rail box to be connected with the shank binding belt, and when the knee joint bends and stretches, the second spring pushes the sliding block to move in a self-adaptive mode; during knee bending, the spring extends to compensate looseness of the pull rope; when the knees stretch, the springs are compressed to absorb redundant tension. The tensile force is always perpendicular to the shank axis through mechanical decomposition, and lateral shearing force is eliminated. A spring dynamic compensation mechanism maintains constant upward effective component force, pulling force direction deviation caused by a traditional fixed fulcrum is avoided, unexpected internal rotation during shank lifting is fundamentally restrained, and knee joint ligaments are protected against abnormal stress damage.

A food waste disposer includes: a housing; a grinding case positioned inside the housing and configured to be separable from inside of the housing to outside of the housing and treat food waste; a rotating grinder configured to treat the food waste by rotating inside the grinding case and rotatably coupled with respect to a bottom surface of the grinding case; a grinder rotating shaft inserted in the rotating grinder and configured to rotate together with the rotating grinder; and a driver positioned below the grinding case and configured to provide rotation power of the rotating grinder, wherein the driver includes: a driving motor configured to generate power; a shaft driving gear configured to rotate by receiving power of the driving motor; and a connecting shaft configured to be rotatable within a range of a first angle with respect to the shaft driving gear, wherein one end of the connecting shaft is inserted in the grinder rotating shaft and another end of the connecting shaft is inserted in the shaft driving gear to transfer power from the shaft driving gear to the grinder rotating shaft.

The invention relates to a self-adaptive offshore wind turbine jacket foundation with a rotary energy dissipation inner jacket and an energy dissipation method. A jacket foundation body comprises an external supporting structure and an internal rotary structure. The external supporting structure comprises a plurality of main stand columns and outer-layer cross transverse frames, one main stand column is fixed to the surface of each pile leg, the number of the main stand columns is matched with that of the pile legs, and the adjacent main stand columns are connected through the outer-layer cross transverse frames. The internal rotating structure comprises a plurality of rotating stand columns and a plurality of inner-layer cross transverse frames, one rotating stand column is rotatably arranged on the surface of each pile leg and located on the inner side of the main stand column, the number of the rotating stand columns is matched with that of the pile legs, the bottom edge of each inner-layer cross transverse frame is fixed to the corresponding rotating stand column, and the vertex angle faces the center of the internal rotating structure. Two inner-layer cross transverse frames are mounted on each rotating upright post; when the adjacent rotating stand columns are rotated, the vertex angles of the two adjacent inner-layer cross transverse frames located on the rotating stand columns can be spliced to form connection. Automatic splicing protection under conventional water flow disturbance energy consumption and extreme weather is achieved, and the disaster resistance and the self-adaption performance of the foundation structure are effectively improved.

The invention belongs to the technical field of robots, and provides a hip joint exoskeleton and a walking assistance control method.The hip joint exoskeleton comprises three active driving units, and a hip joint exoskeleton sagittal plane driving unit is used for achieving forward flexion / backward extension of a human hip joint; the hip joint exoskeleton coronal plane driving unit is used for realizing human hip joint adduction / abduction; the hip joint exoskeleton horizontal plane driving unit is used for realizing inward rotation / outward rotation of the hip joint of the human body; the hip joint exoskeleton sagittal plane driving unit, the hip joint exoskeleton coronal plane driving unit and the hip joint exoskeleton horizontal plane driving unit are connected through the remote rotating center mechanism, so that a rotating plane corresponding to the horizontal plane driving unit is aligned with a hip joint rotating center through a virtual axis. The hip joint exoskeleton is compact in structure and saves space. According to the control method, when the user wears the exoskeleton to walk, the exoskeleton can accurately assist the walking of the user without time delay.

The invention belongs to the technical field of metal wire rope machining, and particularly relates to a metal wire rope straightening device which comprises a workbench, a straightening assembly, a vertical straightener, a transverse straightener and a driving assembly are sequentially arranged on the upper surface of the workbench from right to left, and the straightening assembly comprises a fixing frame fixedly connected to the upper surface of the workbench; a rotating disc is rotatably connected into the fixing frame, a rack is slidably connected into the rotating disc, a connecting frame is fixedly connected to one end of the rack, a sliding block is slidably connected into the connecting frame, a straightening wheel is rotatably connected into the sliding block, a piston plate is arranged on one side of the sliding block, and the piston plate is slidably connected with the interior of the connecting frame. A spraying frame is fixedly connected to one side of the piston plate, a brush and spraying holes are arranged on the lower surface of the spraying frame, and the straightening wheel rotates around the surface of the metal wire rope, so that the metal wire rope can be preliminarily straightened in multiple directions, and the straightening effect of the steel wire rope body is improved.

The invention discloses a Y-shaped filter device for heating and ventilation pipelines, and belongs to the field of filters, the Y-shaped filter device comprises a pipe body, a filter cartridge and a support seat, the pipe body is of a Y-shaped structure, the upper end of the filter cartridge is open and is mounted in a filter chamber, a rotating shaft is arranged in the filter cartridge, the rotating shaft is fixedly connected with the filter cartridge through a plurality of connecting rods, and a paddle is arranged at the upper end of the rotating shaft; the lower end of the rotating shaft penetrates through the filter cartridge and is rotatably connected with the supporting seat through a bearing. The filter cartridge rotates in the filter chamber, so that each area in the circumferential direction of the filter cartridge is in uniform contact with a medium, and the problem of local blockage caused by concentrated accumulation of impurities in a traditional fixed filter cartridge is avoided; besides, in the rotating process of the filter cartridge, the washing direction of the medium to the surface of the filter cartridge is continuously changed along with the rotation of the filter cartridge, impurities are difficult to adhere and harden at a single position, the blocking period of the filter cartridge is effectively prolonged, long-term smoothness of a filter channel is ensured, and the stability of the filtering efficiency of the filter cartridge is improved; and the problems of system flow reduction, pressure loss increase and the like caused by blockage are reduced.

The invention relates to the technical field of aramid fibrid production, in particular to an aramid fibrid production device and a use method thereof. The aramid fibrid production device comprises a precipitation machine and a cleaning machine, the cleaning machine comprises a tank body with an opening in the top end, a first annular flange extending outwards is arranged at the top of the tank body, a first filter cylinder is arranged on the upper portion in the tank body, a second filter cylinder is rotationally sleeved with the first filter cylinder, and a barrel-shaped filter bag is sleeved with the second filter cylinder; the upper end face of the second filter cartridge extends out of the first filter cartridge and then is connected with a gear ring, a rotating shaft and a motor for driving the rotating shaft to rotate are rotationally arranged on the first annular flange, a gear meshed with the gear ring is arranged on the rotating shaft, and when the second filter cartridge rotates, filter holes of the first filter cartridge and the second filter cartridge can be mutually staggered to block or communicate. The aramid fibrid stock solution is obtained through the precipitation machine, then the aramid fibrid stock solution is efficiently cleaned through the cleaning machine, and finally the high-quality aramid fibrid is obtained.

The invention provides an efficient stamping forming die for an integrated metal tool, and relates to the technical field of stamping machining, the efficient stamping forming die comprises an assembling seat, a discharging through groove is formed in the middle of the assembling seat, two sets of vertical frames are fixedly arranged on the two sides of the top of the discharging through groove, and a stamping table is fixedly arranged on the tops of the two sets of vertical frames; a U-shaped frame is fixedly arranged outside the right vertical frame; a rotating module is rotationally arranged in the rear side of the stamping table. The upper end and the lower end of the rotating module are both of plane structures, and bearing molds are fixed to the middles of the plane structures in an embedded mode. Four groups of vertical upright rods are fixedly arranged at the top of the punching table, and a top seat is fixedly arranged at the tops of the four groups of vertical upright rods; the mode of integrating stamping and trimming procedures is adopted, the machining efficiency is greatly improved, through the linkage design of the stamping die and the trimming die, the traditional scattered mode that trimming is carried out independently when tire materials are transferred through stamping forming is broken through, after forming, the trimming die is reset, flashes can be cut off through stamping again, and the tire materials do not need to be transferred in the whole process.

The utility model discloses a slitting device for wide cloth, which comprises a rack, a slitting part and a tensioning part, the slitting part is arranged at the top of the rack, the slitting part is provided with a support frame fixedly arranged at the top of the rack, a lifting frame is vertically arranged in the support frame in a sliding manner, a slitting roller is rotatably arranged in the lifting frame, and the tensioning part is arranged at the top of the rack. The top of the supporting frame is provided with an air cylinder, the bottom of the air cylinder is fixedly connected with the top of the lifting frame, the tensioning part is arranged in the machine frame and provided with a guide roller fixedly arranged at the top of the machine frame and a transmission frame vertically arranged in the machine frame in a sliding mode, and the bottom of the lifting frame is fixedly provided with a driving frame. And a gear is rotationally arranged at the bottom of the rack. The slitting part and the tensioning part are arranged, the lifting frame can move up and down to drive the driving frame to move up and down and drive the gear to rotate, and therefore the transmission frame is driven to move up and down synchronously and is matched with the guide roller to conduct tensioning operation on wide cloth.

The utility model discloses a glaze pouring device for ceramic preparation, and belongs to the technical field of ceramic preparation. A glaze pouring device for ceramic preparation comprises a glaze pouring box, a bearing plate and a filling box, a discharge pipe is arranged on one side of the glaze pouring box, a mounting box is fixedly mounted in the glaze pouring box, the bearing plate is rotatably mounted in the mounting box through a rotating shaft, and a leakage net is arranged on the inner side of the glaze pouring box at the bottom of the bearing plate. A filling box is fixedly mounted at the rear end of the glaze pouring box, and a rotating shaft is rotationally mounted in the filling box; according to the ceramic glaze pouring device, the first motor, the rotating shaft, the bearing plate and the discharging pipe are matched with one another, so that the ceramic glaze pouring process is more convenient, manual operation is reduced, the working efficiency in the glaze pouring process is improved, and the production cost is reduced. The problems that in the prior art, when ceramic is glazed, glaze needs to be manually and slowly poured on the surface of the ceramic, efficiency is low, and labor intensity is increased are solved.

The utility model discloses an integrated water maker which comprises a coagulation bin, a filter bin arranged on the right side of the coagulation bin, a sterilization bin arranged on the right side of the filter bin and a stirring mechanism, the stirring mechanism comprises a rotating column, sliding grooves, sliding seats and stirring rods, the rotating column is rotationally connected to the interior of the coagulation bin, the sliding grooves are formed in the upper end and the lower end of the rotating column, the sliding seats are slidably connected to the interiors of the sliding grooves, and the uniformly-distributed stirring rods are fixedly connected to the middles of the outer surfaces of the sliding seats. The stirring mechanism further comprises guide balls and wave-shaped guide rails, the guide balls are fixedly connected to the ends, away from the rotating column, of the stirring rods, the wave-shaped guide rails are symmetrically arranged in the coagulation bin, and the outer surfaces of the four transversely adjacent guide balls are slidably connected with the inner wall of the same wave-shaped guide rail. The efficient mixing of the coagulant and the water body is realized through the stirring mechanism which periodically reciprocates, so that the coagulation efficiency of the coagulant and the water body is greatly improved.

The utility model relates to the field of automatic winding machines, in particular to an air suction cleaning device of an automatic winding machine, which comprises a supporting workbench, a winding machine body, a blanking funnel, an assembly limiting ferrule, a spiral fixing sleeve, a suction pipe and an air suction device, a discharging hopper is fixedly welded to the bottom end of the fixed assembling plate, an assembling limiting ferrule is fixedly installed in the L-shaped assembling plate, a spiral fixing sleeve is fixedly welded to one side of the assembling limiting ferrule, a suction pipe is rotationally installed in the spiral fixing sleeve, and an air suction device is arranged in the air door. The air suction opening and the air door are arranged at the bobbin yarn staying position of the assembly and are connected to a machine air suction device, during production, the air door is opened for primary air suction when the bobbin yarn falls down, sundries such as flyings and disordered threads are sucked into an air suction cleaning system, the air door is closed after the bobbin yarn falls down, the flyings or the disordered threads can be prevented from being brought out by sucked yarn heads or yarn tails, and the production efficiency is improved. Meanwhile, wind consumption can be reduced, and resource waste is reduced.

The invention provides a hip joint angle measuring and sensing device which comprises a back plate, a connecting arm, a rocker arm, an adduction / abduction measuring unit, a buckling / stretching measuring unit and an inward rotation / outward rotation measuring unit, one end of the connecting arm is connected with the back plate through the adduction / abduction measuring unit, and the other end of the connecting arm is connected with the rocker arm through the buckling / stretching measuring unit. The other end of the rocker arm is connected with the internal rotation / external rotation measuring unit, and the internal contraction / external expansion measuring unit and the buckling / stretching measuring unit are each internally provided with a measuring mechanism. Based on the two-stage differential lever principle, a rigid body replacement method is adopted, hip joint three-degree-of-freedom measurement units are configured through flexible hinges, and a hip joint angle measurement sensor is formed. The arrangement of the optical fiber is benefited from the two-stage displacement scaling capability of the two-stage lever mechanism, and the flexible structure can realize a large displacement scaling ratio adjusting range. And the optical fiber of each sensing unit is always stretched in the measurement process by adjusting the structural parameters of the two-stage lever flexible structure.

The utility model relates to the technical field of volute machining, and particularly discloses a volute machining device which is characterized in that a first sliding block is fixedly installed inside a first synchronous belt transmission assembly, a second synchronous belt transmission assembly is installed on the side wall of an output shaft of a motor in a transmission mode, and a first gear is fixedly installed at the end, away from the motor, of the second synchronous belt transmission assembly; a first threaded rod is installed in the second gear in a threaded mode, a rotating rod is rotatably installed at the bottom of the first threaded rod, a first sliding block limits the rotating rod, a first synchronous belt transmission assembly drives the rotating rod to rotate anticlockwise, and the rotating speed of the second gear is lower than that of the first gear; a first threaded rod is limited by a second sliding block, a second gear drives the first threaded rod to move from top to bottom, during grinding, the first threaded rod extrudes a rotating rod from top to bottom to move from top to bottom, the rotating rod rotates anticlockwise while moving from top to bottom along the first sliding block, and the volute is ground.

The utility model discloses a drawing device for fiber processing, which comprises a base, a driving mechanism is mounted on one side of the base, a cooling mechanism is mounted on the other side of the base, an extrusion mechanism is mounted on the outer side of the top end of the base, a heating device is arranged on the inner side of the top end of the base, and a winding mechanism is placed on one side, far away from the base, below the cooling mechanism. The driving mechanism comprises a rotating motor, a belt is arranged at the output end of the rotating motor, the belt is connected with the extrusion mechanism, the extrusion mechanism comprises a round pipe, a through groove is formed in the top of the end, close to the driving mechanism, of the round pipe, a feeding hopper is arranged on the through groove, and a rotating shaft is rotationally installed in the round pipe; according to the cooling device, a natural cooling mode is replaced for cooling, the cooling effect is good, the phenomenon of wire breakage is avoided, air in raw materials can be exhausted, and the phenomenon of breakage during wire drawing is avoided.

The invention relates to the field of moisture absorbers, in particular to a maintenance-free transformer moisture absorber which comprises a dehumidification part, a moisture absorption part and a moisture absorption part. The oil seal is connected with the dehumidification part, and the gas conveying pipe can extend into the oil seal; the rotary container is rotatably mounted in the oil seal, the rotary container is provided with a first cavity and a second cavity, and through holes are formed in the first cavity and the second cavity; the first treatment part comprises an inlet and an outlet which are connected with the oil seal; the butt joint part comprises a butt joint pipe arranged on the rotating container, and the butt joint pipe is connected with the gas conveying pipe when the rotating container directly faces the dehumidification part; by arranging the rotary container and the first treatment part, oil can be treated and dust in the oil can be removed when the first cavity and the second cavity are subjected to state switching, and the problem that in the prior art, due to the fact that impurities and dust are too changeable, the oil is sticky, and air inflow of a transformer is affected is solved.

The utility model provides a wheel type sand washing device for fine sand preparation, which comprises a fixing seat, a reinforcing seat is fixed on the fixing seat, a supporting seat is fixed on the reinforcing seat, a mounting seat is fixed on the supporting seat, a rotating column is rotatably mounted on the mounting seat, a supporting disc is fixed at one end of the rotating column, and the supporting disc is fixed at the other end of the rotating column. A supporting disc is arranged on the fixing base, a supporting rod is welded to the supporting disc, an impeller is fixedly installed at one end of the supporting rod, a driving motor and a water inlet pipe are fixedly installed on the side of the fixing base, and a stirring plate is installed on the driving motor and movably installed in the fixing base. When the wheel type sand washing device for fine sand preparation is used, a stirring plate rotates in the fixing base, the stirring plate bidirectionally rotates to push fine sand at the bottom of the fixing base to move towards the two sides to be evenly distributed, and blockage caused by long-time accumulation at the center position is avoided; and in addition, water at the bottom is stirred by the stirring plate to roll upwards to complete repeated flushing of sand and stones at the top.

The utility model discloses a steel bar production processing conveying mechanism which comprises a conveyor main body, the conveyor main body comprises a main frame, auxiliary rotating rollers are installed in the middle of the interior of the main frame at equal intervals through bearings, and driving main rollers are rotationally connected to the two ends of the upper surface of the main frame through bearings. A motor is mounted at the end part of the driving main roller on the surface of the main frame; by designing a fixed clamping mechanism, an external thread ring can rotate in an internal thread clamping seat to fixedly mount an anti-skid pad, one end of a steel bar abuts against the surface of the anti-skid pad to push a supporting sliding rod to be embedded into a mounting rod, and after the steel bar is completely placed on the surface of an arc-shaped plate groove, the steel bar can be fixed to the surface of the arc-shaped plate groove. And the pressing spring deforms to drive the supporting sliding rod to be elastically connected with the mounting rod until the supporting sliding rod tightly presses the internal thread clamping base on the surface of the end of the steel bar for reinforcing mounting, and the steel bar is clamped and fixed to the surface of the arc-shaped plate groove and is stably conveyed through the conveying belt.

The utility model relates to the technical field of milling cutter feeding, in particular to an automatic feeding arrangement device for milling cutter production, which overcomes the defects of milling cutter feeding in the prior art and comprises a base, a top plate is fixedly connected to one side of the base, a first motor is fixedly connected to one side of the base, a first rotating rod is arranged on one side of the first motor, and a second rotating rod is arranged on the other side of the first rotating rod. The first rotating rod is rotationally connected with the interior of the base, a second rotating rod is rotationally connected with the interior of the base, a second belt wheel is fixedly connected to the surface of the second rotating rod, a first belt wheel is fixedly connected to the surface of the first rotating rod, a first belt is arranged on the surfaces of the first belt wheel and the second belt wheel, and a conveying belt is arranged on the surfaces of the first rotating rod and the second rotating rod. The conveying belt is used for conveying materials, a machined part is arranged on one side of the conveying belt, a second motor is fixedly connected to one side of the top plate, and a fourth rotating rod is arranged on one side of the second motor.

The utility model discloses a multi-wire-coil synchronous rotation wire leading mechanism, which comprises a base, a wire coil cylinder and a guide part, a wire leading frame is arranged at the top of the base, the wire coil cylinder is arranged at the top of the base, the guide part is arranged at the top of the wire coil cylinder, and the guide part is provided with a rotating shaft which is vertically and rotatably arranged at the top of the wire coil cylinder. A connecting frame is arranged on the side face of the rotating shaft, a rotating frame is rotationally arranged in the connecting frame, a guide wheel a is rotationally arranged in the rotating frame to guide the trend of a copper wire, a limiting frame is arranged on the side face of the rotating shaft, and a sliding block is transversely arranged in the limiting frame in a sliding mode. By arranging the wire coil cylinder and the guide part, when the wire drawing machine starts to work, the sliding block is pushed to move through tension generated by pulling a copper wire, so that the copper wire can pass through a gap between the sliding block and the rotating shaft, and after the wire drawing machine stops working, due to the fact that the tension of the copper wire disappears, the spring can push the sliding block to move to clamp the copper wire. And slipping is prevented.

This utility model provides a rapid demolding device for gypsum products, belonging to the field of gypsum products. It includes a mounting box, a motor, and a sliding rod. A top plate is fixedly mounted on the top of the mounting box via a column. An upper template is movably mounted on the bottom of the top plate. An mounting sleeve is fixedly mounted inside the mounting box. A threaded rod is rotatably mounted inside the mounting sleeve. A moving rod is threadedly mounted on the outer side of the threaded rod. A roller is rotatably mounted on the top of the moving rod. This utility model uses the rotation of the motor output to drive the threaded rod to rotate synchronously inside the mounting sleeve. Through the threaded engagement between the threaded rod and the moving rod, the moving rod moves, causing the roller to press against the movable groove. This causes the wedge block to press upwards, and the moving rod to move the pressing plate upwards, pushing the gypsum product inside the mounting box, thereby enabling the demolding operation.

The utility model relates to the related technical field of wheel-foot robots, in particular to a fast-to-replace crawler belt for a wheel-foot robot, which comprises a robot main body and a lifting mechanism, the bottom of the robot main body is provided with the lifting mechanism, and one side of the surface of a mounting plate is provided with a driving mechanism. According to the fast-to-replace crawler belt used by the wheel-foot robot, through the arrangement of the lifting mechanism, when the robot main body of the wheel-foot robot detects that the current running road surface is sand, mud or other soft ground, a servo motor is controlled to drive a one-way lead screw to rotate in a lifting groove; due to the fact that the lifting block is embedded in the lifting groove and arranged on the surface of the one-way lead screw in a threaded and sleeved mode, when the one-way lead screw rotates, the lifting block descends along the one-way lead screw in the lifting groove, the limiting block slides downwards in the limiting groove, and therefore the mounting plate and the driving mechanism are driven to descend so that the chain belt can be attached to the ground.

The utility model relates to the technical field of catheter fixing, in particular to a catheter fixing device which is convenient for limiting and fixing catheters with different lengths, and limiting and fixing the catheters to avoid displacement of the catheters, so that the practicability of the device in the using process is improved. A fixing cover is fixedly mounted at the top end of the fixing plate, a through hole is formed in the top end of the fixing plate, a fixing rod is fixedly mounted at the top end of the fixing plate and located in the fixing cover, a rotating cylinder is screwed on the outer side wall of the fixing rod, a handle is fixedly mounted at the top end of the rotating cylinder, and a cover plate is slidably mounted in the fixing cover. The cover plate is rotationally connected with the outer side wall of the rotating cylinder, a discharging groove is formed in one end of the fixed cover, a plurality of first plates are rotationally installed in the fixed cover, and limiting grooves are formed in the top ends of the first plates; and a limiting mechanism is arranged on the inner side wall of the fixed cover.

The invention provides a non-continuous controllable blanking system, and relates to the technical field of blanking control, the non-continuous controllable blanking system comprises a blanking bin, the bottom of the blanking bin is of an opening structure, a vertical conveyor is fixedly arranged on the front side of the top of the blanking bin, and the vertical conveyor is communicated with the interior of the blanking bin; four sets of synchronous shafts are rotationally arranged in the discharging bin, synchronous wheels are fixedly arranged on the two sides of the outer portion of each synchronous shaft, and two sets of synchronous belts are rotationally arranged outside the synchronous wheels on the two sides. Feeding frames are fixedly arranged outside the two sets of synchronous shafts at equal intervals in a surrounding mode, and feeding trays are arranged in the feeding frames. According to the blanking system, dual-mode feeding and discontinuous controllable conveying are achieved, the two modes of vertical hopper short-range feeding and far-end hopper long-range feeding are supported, separation and reunion of a friction wheel are controlled through an electric cylinder, the conveying path can be flexibly switched, meanwhile, the intermittent meshing design of an intermittent gear and a linkage gear is matched, and the conveying efficiency is improved. Sequential matching of feeding tray switching and material conveying is achieved, and the discontinuous and controllable blanking effect is achieved.

This invention discloses an axial piston pump with a main shaft driven at a constant velocity to rotate an inclined cylinder assembly. The pump includes a pump body, a main shaft, a turntable on the main shaft, ball joints, and a cylinder mounted on the outer side of each ball joint. A piston mechanism is located between the cylinder and the turntable. A distribution plate is located on the outer side of the cylinder, and inlet / outlet flow channels are located inside the pump body. Multiple curved groove raceways or multiple straight groove raceways are located on the outer surface of the ball joints. Corresponding raceways are provided between the cylinder and the multiple curved groove raceways or multiple straight groove raceways. Torque is transmitted through the rolling contact of balls within the raceways, forming a fixed or telescopic ball cage type constant velocity universal joint transmission mechanism, achieving constant velocity drive of the inclined cylinder rotation by the main shaft. Because the components at both ends of the piston, namely the turntable and the cylinder, rotate at completely equal and synchronous speeds, the "floating" motion of the float in a float pump can be effectively solved, making the internal rotating components operate more stably under high-speed driving conditions and reducing friction and wear problems.