82results about How to "Convenient self-locking" patented technology

The invention relates to a folding type multifunctional drawing table. The folding type multifunctional drawing table comprises an upper table top, a lower table top, an upper table leg, a table top incline mechanism, a lower table leg, a table top lifting and dropping mechanism, a tool box and a tool box self-locking mechanism; the upper table top is connected to the lower table top in a pivoted mode, the front end of the lower table top is hinged to the upper table leg, and the table top incline mechanism is installed on the upper table leg and connected to the bottom of the lower table top in an abutting mode; the upper table leg is inserted into the lower table leg and can lift and drop along the lower table leg; the table top lifting and dropping mechanism is installed on the upper table leg and the lower table leg; the lower end of the tool box is hinged to the lower table leg, and the upper end of the tool box is connected to the lower table leg; the tool box self-locking mechanism is installed on the tool box; a clamping board is arranged on the lower table leg; the tool box self-locking mechanism is connected with the clamping board in a clamping mode. According to the folding type multifunctional drawing table, the height can be lifted and dropped freely, the angel and size of the table top can be adjusted freely, a user can keep the most comfortable posture in use, the fatigue is favorable to relief, the working efficiency of designing and drawing is improved, and the table has good practicability.

The invention discloses an improved art knife guide rail for preventing knife breaking. The improved art knife guide rail comprises a knife shell body with an upward opening, a pushing button, a knifebody and a knife body protecting assembly, wherein a guide rail body is arranged in an inner cavity of the knife shell body, the pushing button is arranged in the guide rail, the knife body is connected with the guide rail body in a sliding manner through the pushing button, and the knife body protecting assembly arranged on the periphery of the knife body in a sleeving manner. The knife body protecting assembly is formed by a first installing plate, a second installing plate and a third installing plate. According to the improved art knife guide rail for preventing knife breaking, on the premise of ensuring the use quality of the knife body, suitability between the guide rail for the art knife body and the knife body is effectively improved, then the situations that in the using process,the knife body is damaged easily, and safety accidents are caused easily can be effectively avoided, and thus the use precision of the guide rail is effectively improved. In addition, by arranging the knife body protecting assembly, the knife body can be protected, the use flexibility of the art knife body is improved conveniently, and therefore the use precision of the knife body of the arc knife is effectively ensured.

The invention discloses a self-locking type battery lockset comprising a lock box (1), a lock catch (2), a motor (3), a worm (4), a gear train (5), a lock pin drive mechanism (6), a signal feedback device and a magnet induction device. The signal feedback device comprises a trigger switch (7) and a spring pin assembly (8). The magnet induction device comprises a magnet (9) and a hall element (10)used in cooperation with the magnet to conduct magnetic induction. The lock pin drive mechanism comprises a rack (601), a lock pin (602) and a spring piece (603). The motor, the worm, the gear train,the lock pin drive mechanism, the trigger switch, the spring pin assembly and the hall element are all arranged in cavity grooves of the lock box. The lock catch is arranged on one side of the lock box. A lock pin sleeving hole (11) is formed in the lock box. A lock pin hole (201) is formed in the lock catch. The self-locking type battery lockset is reasonable in structural design, redundant energy can be automatically unloaded, duel protection is achieved, and it is ensured that battery cover plate installation and battery installation are both completed after locking.

The invention discloses an accurate axial centering device for a wire harness. The accurate axial centering device is characterized in that a wire passing hole B is formed in the center of a supporting fixing plate; a clamping jaw seat is fixedly connected to the supporting fixing plate, a wire passing hole A is formed in the axis of the clamping jaw seat, and a plurality of radial sliding groovesA and a plurality of radial sliding grooves B are evenly formed in the upper portion of the clamping jaw seat in the circumferential direction; mechanical clamping jaws are slidably assembled in theradial sliding grooves A, and the middle portion and the left portion of the lower end of the mechanical clamping jaw are respectively connected with a longitudinal stop arm and a cam bearing follower; the longitudinal stop arm is connected with the inner end of the radial sliding groove B through a spring; a rotary sleeve is sleeved outside the clamping jaw seat through an axial cavity, and the inner side of the upper portion of the rotary sleeve is in rolling fit with the roller of a cam follower; a plurality of lift sliding grooves for allowing the roller to roll in and roll out are formedin the rotary sleeve in the circumferential direction; one end of the anticlockwise side of the lift sliding groove is provided with a guide inclined edge, and one end of the clockwise side of the lift sliding groove is provided with a limiting concave edge; and a cover plate is fixedly connected with the upper end of the clamping jaw seat through a connecting bolt. The accurate axial centering device can accurately position the axis of the wire harness, and can effectively reduce the labor cost.

The horizontal and vertical hydraulic adjustment motor adjuster is mainly composed of a frame plate, a motor fixing base, a base plate and a hydraulic rotation adjustment mechanism. The adjusting mechanism includes a hydraulic oil cylinder and an oil quantity control valve. The oil quantity control valve is connected with the hydraulic oil cylinder. The hydraulic oil cylinder is arranged at the bottom of the frame plate. The top end of the piston rod of the hydraulic oil cylinder is connected with the front end of the frame plate. Locking device. The hydraulic rotary adjustment mechanism of the present invention has a reasonable design, is safe and reliable, is convenient and light, and has a unique self-locking device, which enables it to be self-locked after debugging, is safe and stable, and can quickly and conveniently perform motor installation and belt replacement during use. Operation, especially in the belt replacement operation, can greatly save time, reduce labor costs, increase work efficiency, and improve oil well production.

The invention discloses an energy-saving water knife glass cutter. The energy-saving water knife glass cutter comprises a transverse rod and a cutting operation table, wherein a water knife body is arranged below the transverse rod, a toothed plate is connected above the water knife body, a rotating gear is connected with the outer portion of the toothed plate, a center of the rotating gear is sleeved with a rotating shaft, a rotating motor is connected with the outer portion of the rotating shaft, the rotating motor is installed at the outer portion of the transverse rod, supporting rods arearranged in the transverse rod, the supporting rods are connected with the left and right sides of the toothed plate, a connection base is arranged below the transverse rod, a sliding block is arranged on the bottom of the connection base, a lead screw is sleeved with the sliding block, and a driving motor is connected with the outer portion of the lead screw at the same time. According to the energy-saving water knife glass cutter, through movement of the water knife body, cut glass positions are conveniently free from limitation and fixation, and when the toothed plate moves, through slidingconnection between the toothed plate and the supporting rods, the toothed plate is used as a sliding supporting point in the transverse rod.

The invention discloses an inspection robot for a power transmission line. The inspection robot comprises a robot body, a control device and a detecting device, wherein a signal output end of the detecting device is connected with an input end of the control device; an output end of the control device is connected with a controlled end of each controlled part of the robot body; the robot body comprises a fixed bracket; three sets of motion detecting units are arranged on the fixed bracket in parallel; each set of motion detecting units separately comprises an obstacle-crossing mechanical arm, an up-and-down motion mechanism for driving the obstacle-crossing mechanical arm to move up and down and a rotary mechanism for driving the up-and-down motion mechanism and the obstacle-crossing mechanical arm to horizontally rotate; the rotary mechanism is fixedly arranged on the fixed bracket; the up-and-down motion mechanism is arranged on the rotary mechanism; and the obstacle-crossing mechanical arm is fixedly arranged at the top end of the up-and-down motion mechanism. The inspection robot not only can realize daily inspection of the power transmission line, further can realize obstacle-crossing inspection, improves inspection precision and accuracy of the power transmission line, and provides guarantee for safety operation of the power transmission line.

The invention relates to a fastening method suitable for a part with a hole and a device thereof, which belong to the technical field of machining clamps. The device comprises a tensioning pin and a quick tensioning sleeve; the quick tensioning sleeve comprises a shell, a self-locking unit, a magnet pull rod, an outer spring and an outer end cover; the magnet pull rod is arranged at the bottom of the self-locking unit; the bottom end of the magnet pull rod is connected with the outer end cover via the outer spring; the shell is sleeved outside the self-locking unit, the magnet pull rod, the outer spring and the outer end cover; and the tensioning pin is inserted into the quick tensioning sleeve to lock via the self-locking unit. After the device is utilized, the tensioning pin is fixed by effectively matching a steel ball in the self-locking unit with the tensioning pin so as to quickly fix the part on the clamp; the matching of the steel ball and the tensioning pin can be fully automatically realized through the magnet pull rod and a spring component; and moreover, self-locking and unlocking can be conveniently realized by means of the magnetic control of the magnet pull rod; therefore, the method and the device are suitable for large-scale production and machining requirements.

The invention discloses an airtight test device for fire-fighting steel cylinders, and relates to the technical field of air-tightness tests for fire-fighting steel cylinders; in order to solve the problem of gas leakage at the joints at the top of the fire-fighting steel cylinders; it specifically includes a main body box, and the front outer wall of the main body box is opened with a The installation hole, and the inner wall around the installation hole is provided with the same tempered glass, the bottom inner wall of the main box is provided with a fixing seat, and a self-locking mechanism is arranged inside the fixing seat, and the outer walls of both sides of the main box are provided with chute, two The inner wall of the chute is slidably connected with L-shaped sliding rods, and the opposite ends of the two L-shaped sliding rods are provided with the same connecting plate, and the bottom of the connecting plate is provided with a clamping and fixing mechanism, and the front outer wall of the main box has a limiting slot. And the inner wall of the limiting groove is connected with the fixing frame through the sealing strip, and the front outer wall of the fixing frame is provided with a through hole. The invention effectively avoids the possible leakage problem at the top of the fire cylinder, and improves the effectiveness of experimental detection.

A precise axial centering device for wire harnesses, the center of the supporting fixed plate is provided with a wire passing hole B; the clamping jaw seat is fixedly connected to the supporting fixed plate, and a wire passing hole A is opened at the center of its axis, and the circumferential direction of the upper part is uniform A plurality of radial chute A and a plurality of radial chute B are opened on the ground; the mechanical jaw is slidably assembled in the radial chute A, and the middle and left parts of the lower end are respectively connected with a longitudinal stop arm and a cam bearing follower. The longitudinal stop arm and the inner end of the radial chute B are connected by a spring; the rotating sleeve is sleeved outside the jaw seat through the axial cavity, and the inner side of the upper part of the rotating sleeve is rollingly matched with the roller of the cam follower ;The inner circumference of the rotating sleeve is provided with a plurality of lift chutes for rolling in and out of the roller; one end of the counterclockwise side of the lift chute is provided with a guiding bevel, and one end of the clockwise side is provided with a limiting concave edge ; The cover plate is affixed to the upper end of the jaw base through connecting bolts. The device can accurately locate the axis of the wire harness, which can effectively reduce labor costs.

The invention relates to a folding type multifunctional drawing table. The folding type multifunctional drawing table comprises an upper table top, a lower table top, an upper table leg, a table top incline mechanism, a lower table leg, a table top lifting and dropping mechanism, a tool box and a tool box self-locking mechanism; the upper table top is connected to the lower table top in a pivoted mode, the front end of the lower table top is hinged to the upper table leg, and the table top incline mechanism is installed on the upper table leg and connected to the bottom of the lower table top in an abutting mode; the upper table leg is inserted into the lower table leg and can lift and drop along the lower table leg; the table top lifting and dropping mechanism is installed on the upper table leg and the lower table leg; the lower end of the tool box is hinged to the lower table leg, and the upper end of the tool box is connected to the lower table leg; the tool box self-locking mechanism is installed on the tool box; a clamping board is arranged on the lower table leg; the tool box self-locking mechanism is connected with the clamping board in a clamping mode. According to the folding type multifunctional drawing table, the height can be lifted and dropped freely, the angel and size of the table top can be adjusted freely, a user can keep the most comfortable posture in use, the fatigue is favorable to relief, the working efficiency of designing and drawing is improved, and the table has good practicability.