51results about How to "Limit the range of rotation" patented technology

The invention relates to a two-motor drive modular joint. According to the two-motor drive modular joint, an output shaft is rotationally connected with a shell and fixedly connected with an output gear; the output shaft comprises a through hole extending in the axial direction; the shell comprises a penetrating hole corresponding to the through hole, and the through hole and the penetrating holeare used for storing a line; the output shaft further comprises a radial channel which cooperates with a zero-bit detection module to determine the zero bit; a first gear and a second gear are engagedwith the output gear and are free of interference; a first servo motor is connected with the first gear and a first motor encoder; and a second servo motor is connected with the second gear and a second motor encoder. The two-motor drive modular joint can eliminate the gap between the output gear and a drive device, so that transmission is more precise, and the joint can still run in a gapless mode even when the gears are abraded. The zero-bit detection module is used for determining the zero bit of the output shaft. Through cooperation of the penetrating hole and the through hole, various cables can be arranged inside the joint, and thus the joint is simple and compact as a whole.

The invention discloses an electric pole erection device. A vehicle body comprises a tank and rolling wheels; the rolling wheels are arranged on the lower part of the tank; a connecting rod is arranged on one side in the tank; multiple first air cylinders are movably arranged on the connecting rod; first hinged joints are arranged at one end of the upper part of the tank; multiple second hinged joints are arranged at one end of a movable plate; the first hinged joints and the second hinged joints are movably connected through pin shafts; third hinged joints are arranged on one side of the lower part of the movable plate and are movably connected with one ends of the first air cylinder; and multiple clamping devices are arranged on one side of the upper part of the movable plate and comprise second air cylinders connected mutually, and clamping jaws. According to the electric pole erection device provided by the invention, the multiple clamping devices are arranged on the vehicle body,and a turnover device is arranged in the vehicle body; an electric pole is clamped by utilizing the clamping devices so as to be prevented from shaking when being erected; the turnover device is utilized for erecting the electric pole, so that the risk occurred by erecting the electric pole is reduced. The electric pole erection device provided by the invention is compact in structure and suitableto be used for electric pole erection in a rough country, and the difficulty in erecting the electric pole is reduced.

The invention discloses a rotor folding and unfolding device for a vertical take-off and landing compounding layout unmanned aerial vehicle. Besides all components of a conventional fixed wing unmanned aerial vehicle, the rotor folding and unfolding device further comprises rotors, rotor arms, connecting rods, a linear motor, a guide rod, flow baffles and springs. One end of each rotor arm is installed on a rotary shaft in a rotor cabin on the side face of a vehicle body, and the other end of each rotor arm is provided with a direct-current brushless motor and the corresponding rotor. When the rotors do not need to be used by the compounding unmanned aerial vehicle, the linear motor installed at the middle portion of the vehicle body is controlled to pull the guide rod and the connecting rods to move, the rotor arms are rotated and retract back into the corresponding rotor cabins, and the flow baffles are closed; and when the rotors need to be used by the compounding unmanned aerial vehicle, the linear motor is controlled, so that the rotor arms are rotated and extend to the outer side of the vehicle body. The unmanned aerial vehicle with the rotor folding and unfolding device has the functions of conventional fixed wings and further has the functions of vertical take-off and landing, longitudinal and transverse maneuvering and the like. In a fixed wing mode, the rotors retract into the rotor cabins, the flow baffles are closed, and the aerodynamic characteristic influence caused by a rotor structure is avoided.

The invention relates to a connector used for a drawer connection slide rail. The connector is composed of a support, a left-right regulating arm, an upper-lower regulating part, a positioning part, an extensible member and a positioning mechanism. The extensible member comprises a rectangular boss, the rectangular boss in embedded into a rectangular groove of the support in order to position the extensible member between the left and right long edges of the rectangular groove; the positioning part comprises at least two positioning columns, and the positioning columns and positioning holes of the extensible member are riveted and pressed to form a whole piece in order to position the extensible member in the rectangular groove in the vertical direction; a spring is arranged between the positioning part and the support, and the extensible member is maintained at one side of the rectangular groove under the action of the elastic force of the spring; stoppers are arranged on two ends of the part, of the upper-lower regulating part, which makes contact with the support, and the scope between the two stoppers forms a rotation scope for limiting the upper-lower regulating part. According to the invention, the connector can be matched with the slide rail accurately, the stability of each phase of the pushing process is achieved, and the sliding performance is improved.

The invention relates to a focal plane shutter structure which comprises a motor, a motor base, a spring, a shutter fixing plate, an upper blade and a lower blade. The motor base is fixed to the motor, the motor is provided with a motor shaft extending out of the motor and capable of rotating, the motor base is provided with a through hole matched with the motor shaft in structure and position, and the motor shaft can penetrate through the through hole. The shutter fixing plate is fixedly connected with the end, away from the motor, of the motor shaft, the motor base is located between the shutter fixing plate and the motor, and the motor shaft rotates and can drive the shutter fixing plate to rotate. The upper blade is arranged on the lower blade in a stacked mode, and the upper blade and the lower blade are fixed to the upper surface of the shutter fixing plate through a snap spring and a screw. A boss is arranged on the motor base, the spring is arranged on the motor shaft in a sleeved and surrounding mode, one end of the spring is fixed to the motor base, and the other end of the spring is clamped on the boss. The focal plane shutter structure is driven by the motor, the structure of the double blades is adopted, the size of the shutter driving device is greatly reduced, the shutter stability is improved, and miniaturization of electronic imaging equipment is ensured.

The invention discloses an electronic lock clutch structure which comprises a shell. A driving unit, a handle connector, a lock connector, a limit mechanism and a positioning pin are arranged in the shell, a handle connector can rotate in the shell, the lock connector can rotate in the handle connector, the rotating range of the handle connector can be limited by the limit mechanism, the handle connector and the lock connector are integrally clamped and fixed by the positioning pin, a lock hole is formed in the shell, the handle connector is provided with a mounting hole, an outer clamping hole and a connecting rod, the outer clamping hole is communicated with the mounting hole, the connecting rod penetrates the lock hole, the lock connector is positioned in the mounting hole, an inner clamping hole and a square hole are formed in the lock connector, the driving unit can push the positioning pin to insert into the outer clamping hole and the inner clamping hole, the limit mechanism comprises two clamping pieces and two claming blocks, the clamping pieces can vertically move in the shell, the claming blocks are arranged on the handle connector, the clamping pieces can be clamped with the corresponding clamping blocks when moving to a clamping and stopping position, so that rotation of the handle connector is limited, a reset spring is arranged in the outer clamping hole, and thepositioning pin can reset by the aid of the reset spring.

The invention discloses a mechanical limiting exoskeleton robot joint. The joint comprises a driving mechanism, a speed reducing mechanism, an executing mechanism and a feedback mechanism, and the exoskeleton robot joint can be driven to rotate at one degree of freedom. The driving mechanism is composed of a motor base, a motor, a rotating shaft, a rear end cover, a bearing, a stator check ring and a rotor check ring. The speed reducing mechanism is composed of a speed reducer, an output flange and a front end cover. The executing mechanism is composed of an upper connecting plate and a lowerconnecting plate. The feedback mechanism is composed of an absolute value encoder and a relative value encoder. A fan-shaped groove with the angle ranging from -6 degrees to 120 degrees is formed in the middle of the front end cover, a boss is designed for the output flange, the boss of the output flange is located in the fan-shaped groove of the front end cover after assembly and can move along the fan-shaped groove, therefore the relative rotation relation between the upper connecting plate and the lower connecting plate is converted into relative rotation between the front end cover and theoutput flange, and mechanical limiting is achieved. Hard limiting of the joint rotation angle is achieved through a mechanical structure, and the working safety and reliability of a robot are improved.

The invention discloses a waste textile treatment device. The waste textile treatment device comprises a crushing box, a feeding mechanism, a crushing mechanism, a screening mechanism and a recyclingmechanism. The crushing mechanism comprises two engaged crushing rollers and a driving component, wherein the crushing rollers are arranged in the crushing box, and the driving component drives the crushing rollers to rotate. The screening mechanism is arranged below the crushing rollers and comprises a winnowing component, a separation assembly and a collection assembly, wherein the separation assembly is used for separating textiles, and the collection assembly is used for collecting the textiles. By means of the waste textile treatment device, foreign matter in the textiles obtained after crushing can be separated out through the winnowing component, and subsequent recycling treatment of the waste textiles can be conducted conveniently.

The invention relates to a comb handling trolley and a synchronous aligning device thereof. When a vehicle is handled by using the handling trolley, the synchronous aligning device controls a first front comb frame and second front comb frame in a front comb assembly to be opened synchronously, and simultaneously controls a first rear comb frame and second rear comb frame in a rear comb assembly to be opened synchronously, when the front comb assembly and the rear comb assembly are opened, a catch wheel device can gradually approach the inner sides of wheels, after the catch wheel device is incontact with the inner sides of the wheels, force is applied to the inner sides of the wheels, so that the vehicle is aligned by taking the center line of the synchronous aligning device as standard;carrying of the aligned vehicle can not only ensure parking neat but also ensure that the center of gravity in the handling process coincides with the center of the comb assemblies to ensure the stability and safety of the handling process; the comb assemblies can also be opened to different widths, thereby being suitable for aligning of vehicles with different widths.

The invention provides a fish scale removing device, and belongs to the technical field of fish processing. The device comprises a base, a clamping rod, a movable rod, a first driving mechanism, a scaling mechanism and a first motor, a first supporting plate and a second supporting plate are fixedly arranged on the base in parallel, and a first circular plate and a second circular plate are coaxially and rotationally arranged on the opposite side faces of the first supporting plate and the second supporting plate through a first rotating shaft and a second rotating shaft correspondingly; the clamping mechanism can horizontally fix the fish between the first circular plate and the second circular plate, two third supporting plates are fixedly arranged on the base in parallel, the movable rod is horizontally arranged between the two third supporting plates in a sliding mode, and the first driving mechanism can drive the movable rod to horizontally slide back and forth. The scale scraping mechanism can scrape scales on the upper surfaces of fishes, the first motor is fixedly arranged on the second supporting plate through the first horizontal plate, and the first motor is in transmission connection with the second rotating shaft. The device can quickly remove scales on the surface of fish, is simple to operate, and saves time and labor.

A floating net-shaped supporting device based on photovoltaic power generation, disclosed by the present invention, comprises a floating box, the outer end of the floating box is provided with a splicing mechanism, the splicing mechanism comprises a connecting rod, a rolling ball, a mounting rack, a guide rod, a sliding block, a spring, a threaded cylinder, a screw, a supporting rod, a connecting plate and a limiting rod, the outer end of the floating box is sleeved with the connecting rod, and a rolling ball is movably embedded in one end of the connecting rod. Through cooperation of a threaded cylinder and a screw rod, the multiple floating boxes can be assembled conveniently, the position of the mounting frame can be moved conveniently through the rolling ball, and meanwhile when the floating boxes float on the sea, the outer end of the sliding block guide rod slides to be matched with the spring to limit the moving position of the sliding block, each buoyancy tank is adjusted along with the fluctuation of the horizontal plane, so that the photovoltaic panels are kept stable on the buoyancy tanks, the top surfaces of the buoyancy tanks are always higher than the horizontal plane, the photovoltaic modules are not easy to be damaged by seawater, and sundries on the horizontal plane are not easy to float above the buoyancy tanks to form accumulation.

The invention discloses an easy-to-control lifter specially used for mobile phone racks, which is composed of a lifting body block, a cam switch, an elastic pad, and a central shaft of a switch; The horizontal rod support protrusion on the side not only satisfies the horizontal support function of the horizontal support rod, but also limits the rotation range of the horizontal support rod, so that it cannot rotate to the lower left corner, and the cam switch is cleverly designed. The diameter of the center side of the opening part Smaller than the diameter of the center side of the locking part, so that the easy-control lifter can slide up and down on the column rod; when the raised part squeezes the elastic pad to move closer to the column rod, and uses the elasticity of the elastic pad to make the easy-control lifter lock in time, thereby adjusting The height of the mobile phone clip is an important part of the mobile lifting and easy-to-control mobile phone holder.

The invention relates to an auxiliary device of a pneumatic impact wrench. The auxiliary device comprises a base plate, wheels, a cylindrical stand column, a rotating shaft, a bearing assembly, an upper limiting block, a lower limiting block, a suspension arm, a suspension ring and a load stretchable rod. The cylindrical stand column is vertically installed on the base plate, the rotating shaft is installed in the cylindrical stand column in a rotatable mode through the bearing assembly, an upper limiting opening is formed in the upper end of the cylindrical stand column, a lower limiting opening is formed in the lower end of the cylindrical stand column, the upper limiting block is connected with the upper end of the rotating shaft and extends out from the upper limiting opening, the lower limiting block is connected with the lower end of the rotating shaft and extends out from the lower limiting opening, the upper end of the suspension arm is hinged to the upper limiting block, the suspension ring is installed at the lower end of the suspension arm, the lower end of the load stretchable rod is hinged to the lower limiting block, and the upper end of the load stretchable rod is hinged to the middle of the suspension arm. The suspension ring at the lower end of the suspension arm can freely move in the horizontal direction and the vertical direction, when a nut is disassembled and assembled, labor is greatly saved, the auxiliary device is convenient to use, the labor intensity is greatly reduced, fatigue can be avoided, the locking degree is guaranteed, and the traffic safety is further guaranteed.

The invention relates to the technical field of medical treatment, in particular to an anesthesia ventilation catheter for fiberoptic bronchoscopy. The anesthesia ventilation catheter comprises an anesthesia ventilation soft tube; an air intake tube and a air return tube, two A through holes are arranged on outside of the anesthesia ventilation soft tube, and the air inlet tube and the air return tube are fixed to inner sides of the A through holes; a support box, one side of the support box is provided with a safety expansion buffer device; and a box cover plate, the box cover plate is fixed to one side of the opening of the support box, two B through holes are formed in one side of the box cover plate, and the air inlet tube and the air return tube are fixed to inner sides of the B through holes. By arranging the air inlet tube, the air return tube, the support box, the box cover plate, a partition plate, a U-shaped supporting frame, a flow control pipe, a flow control ball, a B threaded rod, a U-shaped support frame, an I-shaped frame, a U-shaped on-off frame, a pressing-off head, a plugging pad, an L-shaped frame, an expansion box, a buffer plate, an adjusting plate and a spring, the anesthesia ventilation catheter has functions of flow control, accurate adjustment, use in multiple modes, safe buffering and the like.

The invention discloses a motor fixing device and a use method thereof. The motor fixing device comprises a bottom plate, the upper surface of the bottom plate is welded with a pair of third supporting plates, and a supporting rod is rotatably connected between the pair of third supporting plates through a bearing; a pair of first supporting plates are triangular and are fixedly connected to the outer wall of the supporting rod, the pair of first supporting plates are parallel to each other, and the outer walls of the pair of first supporting plates are each provided with a pair of first fixing columns in a welded manner; a second supporting plate is parallel to the bottom plate, is fixedly connected to the upper ends of the pair of first supporting plates through bolts and is in a concave shape, and a first sliding groove is formed in the upper surface of the second supporting plate; a pair of adjusting mechanisms are connected in a first sliding groove in a sliding manner, and a pair of adjusting mechanisms are parallel to each other; a fourth supporting plate is welded to the upper surface of the second supporting plate, and the fourth supporting plate and the second supporting plate are perpendicular to each other. According to the present invention, the size of the device can be adjusted according to the condition of a motor, and the device can be suitable for instruments with special angle control.

The invention discloses automatic water boiling cooking processing equipment, comprising a box body, wherein a corner chain wheel set, a no-base supporting chain wheel set, a tail lower chain wheel set and a tail upper chain wheel set are set in the box body. The same conveying chain is in transmission connection on the corner chain wheel set, the no-base supporting chain wheel set, the tail lowerchain wheel set and the tail upper chain wheel set. Chain track assemblies are mounted on two side inner walls of the box body. The chain track assemblies are in slide connection with the conveying chain. A tension device is set in the box body. The tension device matches with the chain. A gear motor support is fixedly mounted on a side inner wall of the box body. The equipment is rational in design and high in practicability and is convenient for control. Sausages are hanged on the conveying chain for cyclic cooking operation. The sausages are cooked in sequence. An operator can take out thecooked sausages in sequence. The equipment is convenient for the operator to feed and unload. The sausage processing efficiency is improved.

The invention discloses a lighting equipment installation device for an ancient building, and relates to the technical field of ancient building lighting equipment. The lighting equipment installationdevice comprises an installation mechanism for being connected with a roof and a lamp body fixedly arranged on the installation mechanism, the installation mechanism comprises an installation assembly, and the installation assembly comprises clamping pieces for being connected with a protruding part in a clamped mode; the clamping pieces are arranged in the extending direction of the protruding part at intervals, every two adjacent clamping pieces are hinged to each other through a transverse hinge shaft, and the transverse hinge shafts are arranged in the distribution direction of the different protruding parts of tiles of the roof; and the installation mechanism further comprises a connecting part detachably connected to the installation assembly, and the lamp body is fixedly arranged on the connecting part. The lighting equipment installation device has the effect of improving the adaptability of the lighting equipment installation device to the roof of the ancient building.