82results about How to "Realize self-locking effect" patented technology

Provided is a micromovement actuator used for controlling the mirror surface position of an astronomical telescope. One end of the micromovement actuator is in connection with a support mirror surface, and the other end is in connection with the frame of the telescope, wherein the connection point with the support mirror surface and the connection point with the frame of the telescope are connected to form a connection line, and the connection line forms the output shaft of the micromovement actuator. The micromovement actuator is characterized by comprising an elastic structure body and an active central shaft; the elastic structure body is a polygon composed of elastic materials; the active central shaft is vertical with the output shaft of the micromovement actuator, and the base and the end of the active central shaft are respectively in fixed connection with two sides or two angles of the polygon. The micromovement actuator has the characteristics of simple structure and high connection rigidity, employs a multi-set cooperative work mode, and can effectively enhance the coupling stiffness between the mirror surface and the frame, and avoid overconstraint or passive constraint; meanwhile, the micromovement actuator can realize continuous mirror surface movement in adjusting a position, and avoid gaps or backlash; besides, the movement output precision can be under one micrometer. The micromovement actuator can be applied to other fields.

The invention relates to a combined driving micro-displacement regulation device, which consists of a worm gear and worm drive module, a worm gear shaft, a rotating shaft, a key, a rolling bearing, a grating ruler, a bearing retainer, a slide block, a shell, a third oil cylinder, a hydraulic drive module, a worktable and a drive control system, wherein the worm gear shaft is fixedly connected with the worm gear and worm drive module through a screw; one end of the rotating shaft is connected with the worm gear shaft and the other end of the rotating shaft is connected with a nut screw thread pair; the rotating shaft is positioned in the rolling bearing; the bottom end of a nut is in rigid connection with the slide block; the slide block linearly reciprocates along a guide rail; the right end of the nut is provided with an equivalent piston and is connected with the third oil cylinder; the third oil cylinder is positioned in the shell and is communicated with an oil cylinder of the hydraulic drive module through a hydraulic circuit; a piston of the hydraulic drive module is connected with the worktable; the grating ruler is arranged on the worktable; and the worm gear and worm drive module consists of a motor, a motor bracket, a coupler, a worm-gear case, a first radial bearing, a first retainer ring, a second radial bearing, a second retainer ring, a worm gear and a worm. By the device, precise displacement of the worktable can be regulated, stable displacement regulation is realized, and a reduction ratio of static hydraulic drive is regulated.

The invention discloses a toilet door capable of locking in an occupied state. The toilet door comprises a door sheet installed on a door frame, an outer handle is installed on the outer side of the door sheet, an inner handle is installed on the inner side of the door sheet, rotating shafts are fixedly connected to one ends of the outer handle and the inner handle and rotationally inserted into the door sheet, a lock tongue is rotationally connected into the door sheet, an adjusting shaft is inserted into the lock tongue, the adjusting shaft is rotationally connected with the door sheet, a torsional spring sleeves the joint of the adjusting shaft and the door sheet, the lock tongue is arranged below a clamping tongue, the door sheet is provided with a lock groove corresponding to the locktongue, and a sliding shaft is fixedly connected to the end, away from the rotating shaft, of the inner handle. Accordingly, design is ingenious, by means of mutual cooperation of electro-magnetic induction and the Ampere theorem, current generated instantly provides instant magnetization, like poles repel, the self-locking effect is achieved, the toilet door is quite suitable for a user forgetting to lock the door, and then the awkward and inappropriate problems are effectively avoided.

The invention relates to an abduction-adduction mechanism, in particular to the self-locking abduction-adduction mechanism for a thumb of a dexterous robot hand. In existing thumb mechanisms of the dexterous robot hand, the function of the movement of opposition of the human hand is difficult to realize. According to the mechanism, a gear-worm transmission mechanism is arranged on one side of a palm plate frame and is provided with a drive circuit board. A thumb supporting base is located on the other side of the palm plate frame. The palm plate frame is provided with an absolute position sensor. An output shaft of a motor is arranged coaxial with a worm and is connected to one end of the worm through a speed reducer. A worm gear shaft is arranged on the side, close to the palm plate frame, of the thumb supporting base, and a dexterous robot hand thumb mechanism is arranged on the side, away from the palm plate frame, of the thumb supporting base. The absolute position sensor comprises a potentiometer and a through circuit board, wherein the potentiometer is fixedly connected to the through circuit board. A control circuit is detachably connected to an auxiliary base. The self-locking abduction-adduction mechanism is used for controlling the movement of opposition of the dexterous robot hand thumb mechanism.

A lever lifting type banana harvesting device comprises a walking support, a cutting mechanism and a harvesting lifting mechanism. The cutting mechanism is arranged on the top of the walking support. The harvesting lifting mechanism is located on the side face of the support. The harvesting lifting mechanism is driven by a lever and performs banana harvesting along with lifting motion of a preset track, meanwhile, the lever can achieve the self-locking function, a collected tray is stopped at the certain height, banana harvesting work is convenient, a tool of the cutting mechanism has multiple degrees of freedom, banana stalk can be electrically cut at multiple angles, and a majority of banana harvesting work can be met.

The invention discloses a cast-in excircle self-locking thread air cylinder sleeve. The cast-in excircle self-locking thread air cylinder sleeve comprises an air cylinder sleeve body; the air cylindersleeve body comprises an excircle thread surface and an inner circle working surface; a plurality of ring grooves distributed in an array form are formed in the excircle thread surface in the lengthdirection of the air cylinder sleeve body; each ring groove is of an inverted conical structure, the two sides of the bottom of the ring groove are provided with one-fourth arcs, the two arcs are oppositely arranged, the openings of the arcs face towards the interior of the ring groove, the height of the ring groove is H, the maximum width of the opening of the ring groove is L1, and the minimum width is L2; and the distance between every two adjacent ring grooves is L3. According to the cast-in excircle self-locking thread air cylinder sleeve provided by the invention, the multiple ring grooves are formed in the outer side of the air cylinder sleeve body, based on the shape of the ring grooves, the combining force between the air cylinder sleeve and a cylinder body is greatly improved, the self locking effect is achieved, the contact area between the air cylinder sleeve and the cylinder body is increased, and the heat dissipation effect is improved.

The invention discloses a support frame for planting and belongs to the technical field of agricultural planting. The support frame for planting includes a base, a first hollow column, a first slide rod, second hollow columns and second slide rods. The first hollow column is fixedly connected to the top of the base, the first slide rod is slidably connected into the first hollow column, the secondhollow columns are rotatably connected to the outer side wall of the first hollow column through pin shafts, the second slide rods are slidably connected into the second hollow columns, and two external extending plates are slidably connected in the base symmetrically. By pulling the external extending plates out, the second hollow columns are rotated to an appropriate angle, and therefore the second slide rods are pulled out, so that a supporting effect is achieved. By moving the first slide rod upward, convenience is provided for adjusting the height. By rotating a turntable, a screw rod isdriven to rotate in a second box body, correspondingly the end, away from the turntable, of the screw rod is tightly pressed with or separated from the first slide rod, and locking of the first sliderod is achieved.

The invention discloses a crawling mechanism of a lift. The crawling mechanism comprises a rack, wherein a slide rail is disposed on the rack and located on the inner side of the track; a goods shelfbox is disposed on the rack; reinforcement plates are disposed on the goods shelf box and located on two ends of the goods shelf box; an I-shaped plate is disposed on the goods shelf box and located on the top end of the goods shelf box; and a guiderail plate is disposed on the goods shelf box. The crawling mechanism disclosed by the invention has the beneficial effects that the slide rail is disposed on the inner side of the track for auxiliary lifting of the goods shelf box, so the problem of easy wear of the outer side of the goods shelf box is solved and thus the service life of the mechanism is prolonged; a sunshade plate is disposed on the outer side of a chain wheel for protection of the chain wheel, so the service life of the chain wheel is effectively prolonged, corrosion of the chain wheel is reduced, transmission performance and transmission capacity of the chain wheel are further enhanced and electric power driven by a motor is reduced; and thus, power use of the motor is saved, and wear durability of the motor is prolonged.

The invention relates to disinfection equipment, in particular to comprehensive disinfection equipment for small instruments in a clinical laboratory. The comprehensive disinfection equipment for the small instruments in the clinical laboratory is convenient to operate, short in service time and thorough in cleaning and disinfection. The comprehensive disinfection equipment for the small instruments in the clinical laboratory comprises a base, first connecting rods, downward pressing mechanisms and a cleaning mechanism, wherein first sliding rails are arranged on the left side and the right side of the base; the first connecting rods are arranged on the left side and the right side of the base on the front side; the downward pressing mechanisms are arranged at the upper tops of the first connecting rods; and the cleaning mechanism is arranged on the downward pressing mechanisms. First guide rods on the left side and the right side are manually pressed, so that a first supporting frame is driven to move downwards, a first spring is compressed, then a second spring is compressed, and the downward pressing effect is achieved.

The invention discloses a combat robot stabilizing base. The combat robot stabilizing base comprises a chassis, a first opening is formed in one end of the base, the first opening is formed in the chassis in an embedded mode, a displacement groove is formed in one side of the first opening, the displacement groove is formed in the edge position of one side of the chassis in an embedded mode, a camis arranged at the top end of the chassis, the cam is attached to the chassis closely and fixed, a visual window is arranged at one end of the cam, the visual window is attached to the cam closely and fixed, a clamping device is arranged on one side of the visual window, the clamping device is arranged in the cam in an embedded mode, a second opening is formed in the top end of the cam, limitinggrooves are formed in the two sides of the second opening, and the limiting grooves are formed in the cam in an embedded mode. The combat robot stabilizing base is connected with a robot through a fastening part, so that a self-locking effect of the combat invented robot and the clamping device is achieved, it is convenient for the robot to combat stably, and the labor intensity of a worker is reduced.

The invention discloses an anti-collision structure of a compressor, the compressor and temperature adjusting equipment. The anti-collision structure of the compressor comprises a shell, a machine core and an anti-collision component, wherein the machine core is arranged in the shell, the machine core comprises an inner exhaust assembly and an air cylinder cover, the inner exhaust assembly is installed on the machine core through a first screw, the air cylinder cover is installed on the machine core through a second screw, and the head of the first screw and the head of the second screw are both located at the top of the machine core; and the anti-collision component comprises a first anti-collision sleeve and a second anti-collision sleeve, the first anti-collision sleeve and the second anti-collision sleeve are connected into a whole through a connecting structure, the head of the first screw is sleeved with the first anti-collision sleeve, the head of the second screw is sleeved with the second screw sleeve, the first anti-collision sleeve is provided with a positioning hook, the positioning hook hooks an inner exhaust pipe of the inner exhaust assembly, and a gap is reserved between the anti-collision component and the shell. The anti-collision structure is mounted on the compressor more firmly and reliably, and is more convenient to assemble.

The invention discloses a repeatable locking and separating device, and belongs to the technical field of repeatable connection and separation. The device comprises a support 61, a vertical shaft 62,a worm 63, a turbine 64, a cross shaft 65, cams 66, a sliding groove 67, a pin shaft 68, a locking hook 69, a first bearing, a second bearing and a third bearing; the vertical shaft 62 is fixedly connected with the worm 63, and the vertical shaft 62 is installed on the support 61 through the first bearing; the turbine 64 is fixedly connected with the cross shaft 65, and the cross shaft 65 is mounted on the support 61 through the second bearing; the worm 63 is in matched transmission with the turbine 64, the sliding groove 67 is mounted on the cross shaft 65 through the third bearing, each cam66 is mounted on each side of the sliding groove 67, the two cams 66 are fixedly connected with the cross shaft 65, and guide grooves are formed in the two cams 66 correspondingly; and a concave cavity and a kidney groove are formed in the sliding groove 67, the locking hook 69 is inserted into the concave cavity, the pin shaft 68 is arranged on the locking hook 69, and the two ends of the pin shaft 68 penetrate through the kidney groove and are inserted into the guide grooves of the two cams 66. The device has the advantages that the operation is simple, multiple locking and separating can berealized, the vibration impact is small, and the maintenance is easy.

The invention discloses an objective table for detecting the hardness of a ring type part, a micro hardness tester and a detecting method thereof. The objective table comprises a base part, a guidinggroove disc, an eccentric groove disc, and a positioning locking piece. The guiding groove disc is installed at the base part in a rotating manner; and a guiding groove is formed in the top surface and extends in a length direction of a radius. The eccentric groove disc is connected to the guiding groove disc in a rotation manner; the eccentric groove disc and the guiding groove disc are arrangedconcentrically; and an eccentric groove is formed in the eccentric groove disc. The positioning locking piece passes through the eccentric groove and is in guiding fitting with the guiding groove. When a ring type part is placed on the top surface of the eccentric groove disc, the eccentric groove disc rotates to drive the positioning locking piece to approach the circle center of the eccentric groove disc along the guiding groove, so that the ring type part is clamped at the circle center of the eccentric groove disc by the positioning locking piece. According to the objective table, the overlapping of the circle center of the ring type part and the rotation center of the objective table is kept all the time; the trouble of locating the circle center of the ring type part again for othermicro hardness measurement point determination is saved; and the circumferential hardness distribution of the ring type part is obtained accurately.

The invention discloses a direction adjustment structure for a small boat. The direction adjustment structure for the small boat comprises a steering wheel, a first rotating shaft, a cardan joint, a second rotating shaft, a worm and gear mechanism, a third rotating shaft, a first connecting rod, a dowel bar, a second connecting rod, a guide mechanism, a third connecting rod, a fourth rotating shaft and a rudder. The steering wheel is installed on the first rotating shaft, the first rotating shaft is connected with the second rotating shaft through the cardan joint, the second rotating shaft is connected with the worm wheel input end of the worm and gear mechanism, the worm output end of the worm and gear mechanism is connected with the third rotating shaft, the third rotating shaft is connected with one end of the dowel bar through the first connecting rod, the other end of the dowel bar is connected with the second connecting rod, the third connecting rod is connected with the fourth rotating shaft, the rudder is installed at the lower end of the fourth rotating shaft, and both the second connecting rod and the third connecting rod are connected with the guide mechanism. The direction adjustment structure for the small boat can achieve a self-lock function in the process of adjusting directions through the arrangement of the worm and gear mechanism, avoids the problem that the directions can not be adjusted quickly due to resistance of water, and is simple in structure and convenient to use.

The invention discloses a driving device of a stereoscopic garage lifting platform. The driving device comprises an electromotor, a driving dual-output-shaft turbine worm reducer, driven dual-output-shaft turbine worm reducers, transmission shafts, couplers, brakes and steel wire rope wheels, wherein an input shaft of the driving dual-output-shaft turbine worm reducer is connected to the electromotor, and output shafts of the driving dual-output-shaft turbine worm reducer are connected with certain end of the transmission shafts; an input shaft of each driven dual-output-shaft turbine worm reducer is connected with the other end of the corresponding transmission shaft, and output shafts of the driven dual-output-shaft turbine worm reducers are connected with the steel wire rope wheels and are subsequently mounted on a steel truss; the brakes are arranged on the transmission shafts; bases of the brakes are mounted on the steel truss. The driving device of the stereoscopic garage lifting platform has the advantages that the driving device is arranged in the steel truss, is subjected to rigid transmission, is high in synchronism and compact in structure, has a self-locking function, one power can drive the stereoscopic garage lifting platform to lift and drop, an additional machine room does not need to be built on the ground, and the ground surface area is saved.

The invention relates to the technical field of operation tools for lumbar vertebra to solve the problem that a conventional interbody fusion cage is displaced when in use. The invention concretely relates to a self-locking stabilized structure for an interbody fusion cage. The structure comprises a fixing plate, on which a cylindrical threaded protrusion is arranged on one side used for connecting with the fusion cage. At least two locking and positioning holes are arranged in one side used for connecting with the fusion cage and arranged in the upper surface of the fixing plate opposite to the fixing plate in an oblique mode. The structure further comprises locking screws which penetrate through the locking and positioning holes and are fixedly connected with a vertebral body. The self-locking stabilized structure for the interbody fusion cage has following beneficial effects: a simple structure is obtained; a conventional fusion cage can be self-locked; displacement of the cage in a body is avoided; and internal damage is reduced.

The invention discloses an industrial fluid valve. The industrial fluid valve comprises a valve body, a valve rod and a handle, the valve rod is rotationally connected to the center of the top of the valve body, the handle is fixed to the top of the valve rod, a valve element device, a through hole, a ball and a clamping device are arranged in the interior of the valve body, the valve element device is arranged in the interior of the valve body and located in the center, the bottom end of the valve rod is fixedly connected with the top of the valve element device, the through hole is formed in the center of the interior of the valve element device, the ball is arranged in the center of the bottom of the valve element device and connected with the bottom of the inner wall of the valve body in a matched mode, and the clamping device is arranged on the top of the valve body and connected with the valve rod in a matched mode. The invention relates to the technical field of general equipment manufacturing. According to the industrial fluid valve, the anti-loosening purpose is achieved, the valve rod can be clamped, then loosening can be effectively prevented, fluid control is facilitated, the sealing effect is good, the condition of leakage is reduced, and the use performance is improved.