31results about How to "Not shaking" patented technology

The invention discloses a slide linkage structure for drawers, which comprises a drawer side plate, the inside of the drawer side plate is provided with a panel adjusting device, the front and rear side plates of the bottom part of the panel adjusting device are respectively provided with a stop hook for preventing a movable rail of a slide rail from going forward and a locking dog for preventing the movable rail from drawing back, and the stop hook and the locking dog are protruded from the bottom part of the drawer side and connected with the movable rail; the front end of the top part of the movable rail is inserted into the stop hook, the front end face of the movable rail is pressed against the internal end face of the stop hook, and a position which is arranged at the rear part of the front end face of the movable rail and corresponding to the position of the locking dog is provided with a backstop hole; and a gap eliminating component is arranged between the front end face of the movable rail and the internal end face of the stop hook. The gap eliminating component is at least arranged on the internal end face of the stop hook; or the gap eliminating component is at least arranged on the front end face of the stop hook. In the invention, the gaps between the front end face of the movable rail and the internal end face of the stop hook are eliminated by using the gap eliminating component, thereby ensuring the reliability of linkage between the drawer side and the movable rail. The slide linkage structure for drawers disclosed by the invention has the advantages of simple and reasonable structure, reliable linkage, not rocking, zero gap, low production precision requirements, and long service life.

The invention discloses a suspended rotating sound box, which includes a base and a sound box, the base includes: a fixed part and a rotating part, and the rotating part is clamped on the fixed part and can rotate relative to the fixed part. The sound box is set in the rotating part, the base is provided with a first magnetic element, and the side of the sound box close to the base is provided with a second magnetic element, so that the sound box is suspended in the rotating part; the rotating A plurality of third magnetic pieces are arranged on the side wall of the part, and a fourth magnetic piece is set at a position corresponding to the third magnetic piece on the peripheral side of the sound box, so that when the sound box rotates, the The rotation between the third magnetic member and the fourth magnetic member under the action of magnetic force can not only avoid the problem of vibration between the speaker and the outside world, but also automatically adjust the rotation direction of the speaker, which increases the user's audio-visual experience.

The invention discloses a safety protecting device of a bell-jar-type resistance furnace. The safety protecting device comprises two guide pipelines arranged on the outer side of a furnace body of the resistance furnace, and a displacement sensor arranged at the lower end of a support on the outer side of the resistance furnace, two guide columns are arranged on a furnace seat of the resistance furnace, correspond to the guide pipelines in a one-to-one manner and are inserted into the corresponding guide pipelines respectively, a movable supporting seat is arranged at each of two ends of the furnace seat of the resistance furnace and below the outer wall of each guide pipeline, and each movable supporting seat is controlled by a controller. When the resistance furnace descends, the displacement sensor transmits sensed signals to the controller, the controller enables each movable supporting seat to move towards two sides, and a spring is arranged above each movable supporting seat. The safety protecting device is simple in structure, convenient to operate, reasonable in use, safe and reliable, and capable of protecting the furnace seat from being smashed.

The invention relates to an improved electric bicycle battery box. The battery box comprises a box, a protection cover is arranged on the outer part of the box, an electronic lock is arranged on one side of the protection cover, an anti-theft alarm is arranged on the side part of the electronic lock, an elastic insert strip is arranged on the lower part on the other side of the protection cover and can close a jack on the position corresponding to the box, a small lifting pole is arranged in the box, a runner for controlling the lifting of the small lifting pole is arranged on the outer part of the box, the upper part of the small lifting pole is connected with a support plate, pulleys are arranged on the two ends of the support plate respectively, slide rails are arranged on the positions corresponding to the pulleys on the two sides in the box, a perforated line groove is arranged on the box, a fixation mounting bracket is arranged on the bottom of the box. Through the above improvement, the anti-theft performance is better, the electric bicycle battery is convenient to take out and store in the box and stably placed in the box without shaking, and the box is safe to use.

The invention provides a conveying device used after processing by cold rollers. The conveying device comprises a cart main body, a jack structure and elastic retractable rods B; four universal wheelsare welded to the bottom end face of the cart main body in a rectangular array shape; the left end face and right end face of the jack structure are welded and connected to the inner sides of two rectangular plates B respectively. Because of the arrangement of a rectangular support frame and the elastic retractable rods B, on the one hand, the elastic retractable rods B can play a damping role when the cold rollers are placed on the device; on the other hand, through arrangement of the rectangular support frame, convenience is provided when a forklift is used for transferring the cold rollers; thirdly, through the arrangement of the elastic retractable rods B, a damping effect can be achieved when the rectangular support frame on which the cold rollers are placed is placed on the ground.According to the conveying device, through the cooperative arrangement of the rectangular plates B, fixing shafts and the jack structure, the distance between the rectangular plates B can be adjusted,and therefore the conveying device is applicable to placement of the cold rollers different in length.

The invention discloses a cross-arm structure for a combined power pole and tower, comprising an upper cross-arm and a lower cross-arm arranged on the pole-tower, the lower side wall of the upper cross-arm and the upper side wall of the lower cross-arm are fixed with suspension Type insulator, the middle part of the upper cross arm and the lower cross arm are provided with installation openings, the outer walls of the upper cross arm and the lower cross arm are provided with two openings communicating with the installation openings, the upper cross arm and the lower cross arm The middle part of the lower cross arm is also provided with a threaded port that communicates with the installation port, and a U-shaped plate is inserted between the two ports, and the U-shaped plate is threaded with fastening bolts that match the threaded port. , Both sides of the upper cross arm and the lower cross arm are provided with baffles located outside the suspension insulator. The present invention shields the wind force by setting baffles, reduces the influence of the air flow on the suspension insulator, and ensures the overall stability. At the same time, when the temperature is low, it triggers the connection between the heating wire and the power supply for heating, avoiding the accumulation of snow and increasing the overall stability. anti-snow ability.

The invention discloses an anti-breaking chain joint structure which comprises a joint, a hinge pin and a clamp spring. A first connecting end of the joint is connected onto two chain plates at the ends of a chain by the hinge pin, and the clamp spring is arranged at an end of the hinge pin. The anti-breaking chain joint structure is characterized in that a safety lock hole is formed in the first connecting end of the joint and is particularly formed in a position above the hinge pin, and a sleeve roller, which is positioned above the hinge pin, in the chain penetrates the safety lock hole. The anti-breaking chain joint structure has the advantages that the safety lock hole and the sleeve roller can be matched with each other to carry out bearing when the hinge pin is separated from the anti-breaking chain joint structure, accordingly, reliable connection between the joint and the chain still can be guaranteed, the safety of target components can be effectively protected, and safety accidents can be prevented.

The invention discloses a raise-boring machine construction method. The raise-boring machine construction method includes the steps of construction preparation, drilling machine mounting and construction. The construction preparation step includes building a drilling machine base, digging a pool at a position with a certain distance from the drilling machine base, and digging two sedimentation ditches between a drilling center and the pool, wherein one of the sedimentation ditches is connected with the pool. The drilling machine mounting step includes coinciding the rotating center of a drill bit with the center line of a drilling machine and fastening a gap clamp, wherein a rectangular thread is clamped by the gap clamp when a screw is demounted in place during vertical drilling or drilling machine withdrawal. The construction step includes drilling a hole downwardly by a guide drill 201mm in diameter, and reaming a hole by a reamer bit 1200mm in diameter after communication. The raise-boring machine construction method has the advantages that conveying sequence of a main machine of the raise-boring machine can be adjusted correspondingly according to space size and mine conditions of a construction place, so that construction is performed effectively and rapidly; the two sedimentation ditches are dug, so that effective sedimentation of slurry brought out by flushing fluid is enhanced, and in-place flushing of the slurry of the drill holes is guaranteed.

The invention discloses a slide linkage structure for drawers, which comprises a drawer side plate, the inside of the drawer side plate is provided with a panel adjusting device, the front and rear side plates of the bottom part of the panel adjusting device are respectively provided with a stop hook for preventing a movable rail of a slide rail from going forward and a locking dog for preventing the movable rail from drawing back, and the stop hook and the locking dog are protruded from the bottom part of the drawer side and connected with the movable rail; the front end of the top part of the movable rail is inserted into the stop hook, the front end face of the movable rail is pressed against the internal end face of the stop hook, and a position which is arranged at the rear part of the front end face of the movable rail and corresponding to the position of the locking dog is provided with a backstop hole; and a gap eliminating component is arranged between the front end face of the movable rail and the internal end face of the stop hook. The gap eliminating component is at least arranged on the internal end face of the stop hook; or the gap eliminating component is at least arranged on the front end face of the stop hook. In the invention, the gaps between the front end face of the movable rail and the internal end face of the stop hook are eliminated by using the gap eliminating component, thereby ensuring the reliability of linkage between the drawer side and the movable rail. The slide linkage structure for drawers disclosed by the invention has the advantages of simple and reasonable structure, reliable linkage, not rocking, zero gap, low production precision requirements, and long service life.

The invention discloses a sound insulation and noise reduction door and window, comprising an outer frame and a window, the upper and lower sides of the window are hinged with the outer frame respectively, and the window includes: a frame, the inner surface of which is recessed to the outer surface to form a first A card slot, a plurality of clip fittings are arranged in the first clip slot along the circumferential direction of the frame, and any clip fitting includes a height adjustment part and a thickness adjustment part arranged on it; a double-layer vacuum glass plate , which is arranged in the frame, the edges of the double-layer vacuum glass plate are respectively clamped with the thickness adjustment parts of the corresponding clamping parts, and the inner and outer edges of the double-layer vacuum glass plate are respectively connected with the first The side edges corresponding to a card groove are sealed and connected. The sound insulation and noise reduction doors and windows of the invention have excellent sound insulation and noise reduction performance.