218results about How to "To achieve the purpose of locking" patented technology

The present invention discloses a wavelength setting drift detecting device, wavelength locking system and method thereof, multiple optical modules shares one set device for lock down wavelength, and wavelength do not need select module, because only one outputting signal of optical module is scrambled, and different optical module outputs with identification information light signal, all identification information are sameness. If scrambling of each light signal adopts identical frequency, complexity of scrambling device is simplified, and interference between scrambling signals can be eliminated, because switch of electromechanical device control wavelength is not used, cost is reduced, locking velocity is improved, and precision of signal processing is improved, thereby locking accuracy of wavelength is improved.

The invention relates to a variable-stiffness continuous type mechanism based on an air pressure locking principle. The variable-stiffness continuous type mechanism comprises a continuous type mechanism body, a state switching device used for changing the stiffness and flexibility states of the continuous type mechanism body and a pose control system used for controlling the bending degree of the continuous type mechanism body; the continuous type mechanism body is formed by a base and joints through friction sliding blocks, the base and the joints are connected in series, one end of each joint is provided with a connecting disc with a square shaft hole, and the other end of each joint is provided with a first friction disk provided with a round shaft hole; and each friction sliding block comprises a second friction disk matched with the corresponding first friction disk. The state switching device comprises a cylindrical silica gel air bag, an air guide pipe and a port. The pose control system is composed of steel wires and a driving motor, one end of each steel wire is connected with the joints, and the other end of each steel wire is connected with the driving motor. By means of the variable-stiffness continuous type mechanism, the technologies of positive pressure control and air bag locking are adopted, the continuous type mechanism can be extremely high in stiffness in the locking state, the response speed is high, rigid and flexible state switching is rapid, and the beneficial effects that the stiffness is variable, the response speed is high, and the positioning stiffness is high are achieved.

The invention is suitable for the LED optical communication field, and provides a light-operated lock system and its realization method. The system comprises: at least one LED optical signal output unit used for generating an unlocking password, generating a LED optical signal according to the unlocking password, and emitting the LED optical signal; and a light-operated lock used for receiving the LED optical signal emitted by the LED optical signal output unit, decoding the LED optical signal generation unlocking password and checking the unlocking password to unlock the light-operated lock. In the embodiment of the invention, the unlocking password is converted into the LED optical signal, the LED optical signal is emitted to the light-operated lock, the light-operated lock decodes the received LED optical signal, a decode is the unlocking password, and the light-operated lock is unlocked according to the unlocking password, so the lock control through using the optical signal is realized; and a user can see a range irradiated by visible light, the LED optical signal can be accurately emitted, and there is no need to worry about password disclosure caused by interception by other persons, so the safety is greatly improved.

The invention relates to a thin-wall thread bushing machining tool. A top cover is connected with an end cover through a mandrel, the outer wall of the top cover is provided with a first top cover outer circle wall used for being clamped by a three-jaw chuck, a second top cover outer circle wall used for being matched with the inner wall of a workpiece and a top cover bench used for abutting against the end face of the workpiece, a top cover through hole is further formed in the axis of the top cover, a locking key is arranged between the top cover through hole and the mandrel, the end cover outer wall is provided with an end cover outer circle wall matched with the inner wall of the workpiece and an end cover bench used for abutting against the end face of the workpiece, an end cover blind hole is further formed in the axis of the end cover, and the blind hole end of the end cover blind hole is connected with the end face of the mandrel through a first fastening bolt and a limiting pin. Threads are further arranged on the end cover outer circle wall of the end cover. By the adoption of the structure of the thin-wall thread bushing machining tool, it is guaranteed that the workpiece can not be deformed in the machining process, the one-time inspection application pass percent of the workpiece reaches about 98%, and the aim of machining nylon-material thin-wall thread bushing parts is fundamentally achieved.

The invention provides an automatic fixing device for a container. The automatic fixing device for the container comprises a container body. Locking devices are fixed to the bottom of the container body. Tightening devices are fixed to the top of the container body. The tightening devices are connected with the locking devices through brake cables. Each locking device comprises an outer casing pipe, an inner casing pipe, a rotary shaft and a lock. Hoisting holes used for hoisting are formed in the top of the container body. Each tightening device is fixed to the corresponding hoisting hole and comprises a pressing block installed on the bottom face of the corresponding hoisting hole in a vertically sliding mode. A spring enabling each pressing block to have a downward-moving tendency is arranged at the top end of the corresponding pressing block. Pull wire holes are formed in the side walls of the hoisting holes. Each brake cable penetrates through the corresponding pull wire hole and then is connected with the side wall of the corresponding pressing block. The automatic fixing device for the container is simple in structure, capable of automatically achieving unlocking or locking in the unloading and loading process, convenient to use, fast and capable of greatly improving the loading efficiency and improving the transportation safety.

The invention discloses a manual automatic integrated locking and unlocking mechanism and belongs to the technical field of mechanical structures. The manual automatic integrated locking and unlocking mechanism comprises a handle, a reduction box, a gear steering gear, a left locking pin, a right locking pin and a gear rack cylinder. The handle is connected with the input end of the reduction box, the output end of the reduction box is fixedly connected with a transmission gear in the gear steering gear, the transmission gear is fixedly connected with a gear in the gear rack cylinder through a transmission shaft, two output gears in the gear steering gear are in threaded connection with the left locking pin and the right locking pin respectively through screw rods, and rotation of the screw rods is converted into opposite or reverse linear movement of the left locking pin and the right locking pin along the axes of the screw rods. External oil pressure or air pressure is utilized to serve as a power source to drive the left locking pin and the right locking pin to synchronously extend out or retract, a locking or unlocking function is achieved, and the manual automatic integrated locking and unlocking mechanism can simultaneously perform switching of manual operation and automatic operation according to working conditions.

The invention discloses a material delivery nacelle with parachutes, which comprises a hood (1), a cargo hold (2) and a parachute bay (3), wherein the front end of the cargo hold (2) is connected withthe hood (1), and the rear end of the cargo hold (2) is connected with the parachute bay (3); The parachutes (10) are arranged in the parachute bay (3). The parachute bay for parachutes is arranged on the material delivery nacelle, the parachutes are arranged in the parachute bay, the airdropping of the cargo is achieved without manual operation of the parachutes, and the airdropping efficiency is effectively improved.

The invention discloses a travelling mechanism of a two-foot walking robot. The travelling mechanism comprises a front leg, a rear leg, a front foot, a rear foot, a two-way rotary drive motor, a cam, a front one-way rotating wheel and a rear one-way rotating wheel, wherein the drive motor is arranged on the buttock of the robot and is positioned between the front leg and the rear leg; the cam is arranged on the output shaft of the drive motor and can drive the front one-way rotating wheel and the rear one-way rotating wheel alternately; the front one-way rotating wheel is arranged on the front leg, and the rear one-way rotating wheel is arranged on the rear leg; the front and rear ends of the buttock of the robot are slidably and rotatably connected with the upper ends of the front leg and the rear leg respectively, and the upper ends of the front leg and the rear leg are respectively provided with a locking mechanism; and the front foot and the rear foot are provided with pressure sensors, each pressure sensor is electrically connected with a controller in the robot, and the controller is electrically connected with the locking mechanisms. The travelling mechanism of the two-foot walking robot has the advantages that the structure is simple, the weight of the robot can be lightened, and the energy consumption can be reduced.

The invention relates to a multi-functional screwdriver with a transformable head, in particular to a screwdriver which is integrated with different openings such as straight line shape, hexangular shape, triangle shape and concave shape and specifications, and cross-shaped and star-like screws can be assembled and disassembled by the screwdriver, and the head of the screwdriver does not need dismounting and replacement. A set of retractor device is arranged in a handle of the screwdriver, and the retractor device uses at least seven or more than seven steel needles and springs with the corresponding quantity, pistons and piston cylinders of piston cavities, with the corresponding quantity to form a retractable screwdriver body, the outer side of the exposed part of the screwdriver body isprovided with a protective hollow steel jacket, the steel needles at the position of the screwdriver head can contract under the external extrusion action force which is larger than the critical deformation elasticity of the internal spring, at the moment, the spring is compressed and stores energy, when the external extrusion action force disappears, the spring releases energy to push the pistonand the steel needle to be stretched out and reset.

A lock structure for an electronic device is provided. The lock structure includes a rotatable fastener, a lock body, an operation device and a housing. The lock body is disposed in the housing and includes a rod member capable of moving axially. The operation device is respectively contacted against the rod member of the lock body and the rotatable fastener. When the lock body is in an unlocked state, the lock body releases the axial displacement of the rod member. At the same time, the operation device is displaced so as to drive the axial displacement of the rod member and meanwhile to drive the rotation of the rotatable fastener, resulting in the connection/detachment of the lock structure and the electronic device. When the displacement of the operation device is finished, the operation device returns to the original position, and meanwhile the rotatable fastener rotates to the original position as well so as to be clamped in a lock hole of the electronic device. When the lock body is in a locked state, the axial movement of the rod member is restricted by the lock body, so that the operation device is not operable to be displaced to rotate the rotatable fastener.

The invention relates to an electric control powder tank car manhole cover which comprises a hole seat, a cover body and a connecting plate; the connecting plate is connected with the periphery of thehole seat; the cover body is in pivot joint with the hole seat; an overturning mechanism is arranged on one side of the pivot joint part of the cover body and is fixed to the connecting plate or thehole seat; the output end of the overturning mechanism drives the cover body to rotate by taking the pivot joint part as a shaft; and a group of locking mechanisms of the cover body is at least arranged between the cover body and the hole seat or between the cover body and the connecting plate. The electric control powder tank car manhole cover adopts a motor to drive the cover body to overturn and improves the locking mechanisms between the cover body and the seat body; the electric control powder tank car manhole cover and a matching motor realize remote locking and opening of the cover body; and the electric control powder tank car manhole cover does not need manual get-on to open the cover and close the cover for locking, so that the convenience and safety are greatly improved.

The invention relates to heated floor locks. The heated floor locks comprise oblique tenons, pores, lock heads and lock grooves, wherein the heated floor locks include male and female heated floor locks; the male lock comprises a first lock groove, a first lock head, a pore, a second lock groove, a second lock head and an oblique tenon from the side near a plate body to one tail end of the plate body in sequence; the female lock has a similar structure; the oblique tenons are put at the ends of the plate body, are wavy and have the same size; and the length and width of the floors are respectively integral multiples, within 100 times, of the length of the oblique tenons. The heated floor locks have the following advantages: through optimal design, the male and female lock heads are fit with the male and female lock grooves, so that the two floors can not move back and forth; hot air can pass through the pores, so that the floors become heated floors; the male and female oblique tenons are locked and the elastic oblique tenons can exist, so that the two floors are combined more closely, can not move left and right, are integrally combined firmly and can not undergo air leakage; and the modes of pressing and horizontal moving are used during installation, the integral structure is simple and the aim of locking is achieved.

The invention discloses a flanging and riveting self-locking nut and a machining method thereof. The flanging and riveting self-locking nut is a reducing cylinder body in appearance. The middle section of the reducing cylinder body is a large cylinder 1. A cone 2 is arranged at one end of the large cylinder, and a small cylinder 3 is arranged at the other end of the large cylinder. A reducing hole is formed in the middle of the reducing cylinder body. A large hole 4 is formed in the small cylinder. A small threaded hole 5 is formed in the large cylinder and the cone. The large hole and the small threaded hole are in transition through a chamfer 6. Locking grooves 7 evenly distributed along the circumference are formed in the cone. According to the flanging and riveting self-locking nut and the machining method thereof, an important new product is added to the field of fastening connecting pieces, threaded connecting and riveting are integrated through the structure of the flanging and riveting self-locking nut, threaded screwing can be conducted without the cooperation of external force during assembling, materials are saved in the application of the automatic locking and die forging technology, time is saved, high efficiency is achieved, the safe reliability is high, the mechanical performance is stable, and maintenance is convenient.

The invention provides multi-station sweeping equipment, and belongs to the technical field of machinery. The multi-station sweeping equipment solves the problems that prior multi-station sweeping equipment cannot realize independent rotation speed and steering control of each station and has low working efficiency. The multi-station sweeping equipment comprises a bed body on which a frame is arranged. A rotating seat and a driving structure I for driving the rotating seat to rotate are arranged on the bed body. A sweeping assembly is arranged on the frame. A positioning assembly arranged corresponding to the sweeping assembly and used for positioning a workpiece is arranged on the rotating seat. By means of the multi-station sweeping equipment, multi-station simultaneous processing of a plurality of groups of workpieces can be realized, independent rotation speed and steering control of each station can be achieved, and operators can assemble and disassemble pieces conveniently, so that the processing efficiency is greatly improved, and the labor intensity of workers is effectively reduced.

The invention discloses a disassembling prevention wrist strap lock catch which comprises a wrist strap, a lock catch body matched with the wrist strap, a vacuum cover provided with a negative pressure air outlet hole, a reset spring, a lock pin and a rubber diaphragm. The wrist strap is provided with wrist strap through grooves, the tail of the wrist strap is connected with the lock catch body, the head of the wrist strap penetrates through the lock catch body, and a vacuum bin is formed by the lock catch body and the vacuum cover. The reset spring, the lock pin and the rubber diaphragm are arranged in the vacuum bin, the rubber diaphragm is arranged on the bottom face of the vacuum bin, the upper end of the reset spring is connected with the vacuum cover, and the lower end of the reset spring is connected with the lock pin. The lock pin penetrates through the rubber diaphragm and the lock catch body and is inserted into the corresponding wrist strap through groove to lock the wrist strap. By the adoption of the structure, the structure and purpose for preventing disassembling of a lock without permission are achieved; a pure mechanical structure is adopted, the structure is simple, the production cost is low, and assembling is convenient; the disassembling prevention wrist strap lock catch is easy to use, stable and reliable in performance, long in service life and not prone to damage.

The invention relates to an adjustable growth valve for a spine, and belongs to the technical field of medical devices. The adjustable growth valve comprises a valve body, a fixed orthopedic bar, a movable orthopedic bar, a transmission shaft, a transmission gear and locking nails, wherein the valve body is arranged between the fixed orthopedic bar and the movable orthopedic bar; the transmission gear is arranged on the transmission shaft; a chamber I which is used for containing the transmission shaft and a chamber II which is used for containing the transmission gear are formed in the valve body, and the top end of the chamber I penetrates through the upper end surface of the valve body; a threaded hole I and a through hole are formed in the valve body, one end of the fixed orthopedic bar is connected with the threaded hole I, the hole wall of the through hole is communicated with the chamber II, one end of the movable orthopedic bar is arranged in the through hole in a penetrating way, the outer wall of the end, which is arranged in the through hole in the penetrating way, of the movable orthopedic bar is provided with sawteeth, and the sawteeth are meshed with the transmission gear; a threaded hole II is formed in the upper end surface of the valve body, the bottom part of the threaded hole II is communicated with the through hole, the locking nails are arranged in the threaded hole II, and the bottom parts of the locking nails and the sawteeth on the movable orthopedic bar are arranged in a clamping way. According to the adjustable growth valve for the spine, disclosed by the invention, the stretching adjustability is good, the stress during a stretching process is uniform, and the transmission is stable.

The invention discloses laser cutting equipment, and belongs to the technical field of laser cutting. The laser cutting equipment comprises a rack, two groups of conveyor belts, a mounting frame, a vibration structure, a laser cutting structure and traction crease-resistant structures; a horizontally arranged bearing net is arranged in the mounting frame; the left side and the right side of each conveying belt are provided with a supporting block and a hinge base respectively, and the vibration structure is arranged below the mounting frame; the laser cutting structure is arranged above the bearing net; the traction crease-resistant structures are arranged on the two sides of the rack; the vibration structure comprises a moving platform and a double-stroke air cylinder, vibration blocks are arranged at telescopic ends of the double-stroke air cylinder, rubber buffer pads are arranged at the tops of the vibration blocks, and abutting arc surfaces are arranged on the two sides of the vibration blocks and the two sides of the supporting blocks. According to the laser cutting equipment, the bearing net can vibrate through the vibration structure, the bearing net can knock the bottom of cloth to accelerate separation of the cloth and a vamp, and the cloth can be in a taut state by pulling the crease-resistant structures to work, so that the phenomenon that the cloth is creased in the laser cutting process is avoided.

A railway turnout closed switch inspector comprises a shell lid covering a base and constituting an outer shell. The inside of the shell lid is also provided with an inner cover constituting an inner shell. The bottom end of the base is provided with a lead pipe that is connected with the outside, the middle of the base is cut with an axle hole and the central upper end of the base is sequentially provided with a main shaft, a distributing connecting plate and a connection point part from down to top. The external periphery consisting of the connection point is correspondingly provided with an adjustable startup suite and a startup suite. The base is also fixedly provided with an internal tooth and an external tooth respectively connected with an adjustable startup suite tooth up and down, wherein the axial part of the main shaft penetrates through the axle hole of the base and the tip of the axial part extends outside the base and is fixedly connected with a link rod. The distributing connecting plate is fixedly connected with the base by a bolt penetrating through the main shaft, and the connection point part, the adjustable startup suite, the startup suite, the inner tooth and the outer tooth all rotate with the rotation of the main shaft. The inspector is convenient for adjustment and reliable in locking, not only amplifies action and needs no transmission mechanism for amplification, but also has compact structure and enhances the stability of action.

The invention provides an elastic cone wedge-caulking type anti-disengagement nut mainly formed by combining a thick nut body with a conical hole in the right end and a thin nut body with an outer cone boss at the left end. At least two blind grooves with one ends closed and the other ends closed are evenly distributed in each of the two ends of the thin nut body. During use, because of the wedge-caulking of a cone and the tightening effect of the blind grooves, the axial clearance and the radial clearance between the elastic cone wedge-caulking type anti-disengagement nut and a thread of a bolt can be effectively eliminated, and the anti-disengagement and retreating stopping effects of the elastic cone wedge-caulking type anti-disengagement nut are achieved. According to the elastic cone wedge-caulking type anti-disengagement nut, the plane wedge-caulking principle is ingeniously applied in the three-dimensional cone and is combined with the blind groove elastic shrinkage principle, the structure is simple, the anti-disengagement and retreating stopping effects are stable and reliable, installation and detachment are convenient, and the elastic cone wedge-caulking type anti-disengagement nut can be widely applied to various occasions, having strict anti-disengagement requirements for thread tightening pieces, especially occasions where air planes, automobiles and high-speed trains have special requirements for disengagement prevention of the tightening pieces.

The invention discloses a safe locking device for a slide block moving vertically in the field of hydraulic machineries. The device comprises a hydraulic cylinder, wherein a piston rod of the hydraulic cylinder extends out of the lower end of the cylinder body of the hydraulic cylinder to connect the slide block; the piston rod is sleeved with a sleeve; the upper end of the sleeve is fixedly connected with the lower end of the cylinder body; the lower end of the sleeve is connected with a locking cylinder of which the inside is provided with a locking piston; the locking piston is provided with a small piston rod which upwards extends out of the upper end face of the locking cylinder; the inside of the sleeve is provided with a wedge-shaped retainer ring; a wedge-shaped fixture block matched with the wedge-shaped surface of the wedge-shaped retainer ring is arranged between the wedge-shaped ring and the piston rod; the upper end face of the wedge-shaped fixture block is provided with an elastic mechanism which pushes the wedge-shaped fixture block downwards; and the small piston rod is pressed against the lower end face of the wedge-shaped fixture block. When a system decompresses, the piston rod can be locked through the wedge-shaped fixture block so that the piston rod cannot move downwards, which improves safety and facilitates overhauling. The device can be used for various hydraulic machineries.

The invention discloses a medical treatment medicinal material dendrobium officinale picking machine which comprises a fixed machine body. A first rotating chamber is disposed in the fixed machine body, a first rotating shaft rotating in the fixed machine body is disposed in the first rotating chamber, the first rotating shaft is provided with a pull rope rotating wheel provided with a pull rope,a second sliding hole is also formed in the fixed machine body, the two sides of the second sliding hole are provided with a row of first sliding blocks sliding in the fixed machine body respectively,each first sliding block is provided with a rotating second supporting rotating wheel, a row of fixing teeth connected to the fixed machine body is disposed between the rotating second supporting rotating wheels on the two sides, the end of the pull rope is connected with a lifting fence, the lifting fence can be driven to lift through the sliding of the pull rope, the sliding of the pull rope can be supported through the second supporting rotating wheels, the pull rope is locked and fixed through the fixing teeth, and thus the problem of dropping can be prevented.