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 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 side punching and balancing mechanism and a side punching method for automobile vehicle-mounted power supply shell type parts. The mechanism comprises a lower mold base, a lower mold base balance locking mechanism and a side punching mechanism, wherein the shell type parts are arranged on the lower mold base in a sleeve mode, and the side surface of the lower mold base isprovided with a punching concave portion; the lower mold base balance locking mechanism is used for fixing the lower mold base; and the side punching mechanism is used for carrying out side punchingon the shell parts pressed on the lower mold base. According to the mechanism, the side punching and balancing mechanism is additionally provided with the lower mold base balance locking mechanism, and the lower mold base is fixed through the lower mold base balance locking mechanism, when the side punching mechanism is used for carrying out side punching on the shell type parts, the lower mold base can be ensured not deviated, shaken and inclined after being stressed, and the vertical direction is kept; the roundness of the side punching circular holes is guaranteed, and the precision of thespecial-shaped holes is guaranteed; and the the lower mold base is stably arranged, the service lives of the lower mold base and a male mold can be guaranteed, the punching smoothness is guaranteed, the production efficiency is improved, punching burrs of products are reduced, and the product quality is improved.

The invention discloses a sound-insulation noise-reduction door and window. The sound-insulation noise-reduction door and window comprises an outer frame and a window body, wherein the upper side and the lower side of the window body are hinged to the outer frame; the window body comprises a frame and a double-layer vacuum glass plate; the inner surface of the frame is sunken towards the outer surface to form a first slot; a plurality of clamping pieces are arranged in the first slot in the peripheral direction of the frame at intervals; each clamping piece comprises a height adjusting part and a thickness adjusting part arranged on the height adjusting part; the double-layer vacuum glass plate is arranged in the frame; the edges of the double-layer vacuum glass plate are separately in clamped connection with the thickness adjusting parts of the corresponding clamping pieces; and the inner side edge and the outer side edge of the double-layer vacuum glass plate are separately in sealed connection with the corresponding side edges of the first slot. The sound-insulation noise-reduction door and window has excellent sound-insulation noise-reduction performance.

The invention provides an oscillating structure and a fan assembly or an electric heater assembly comprising the same. The oscillating structure comprises a base (1) and a rotary plate (2). When the base (1) and the rotary plate (2) are assembled, the axial lead of the axis of the base (1) coincides with the axial lead of the axis of the rotary plate (2); the axis of the rotary plate (2) is supported by the axis of the base (1); and supporting parts are arranged on the parts, in two or more positions on the radial outer sides/side of the axes/axis, of the rotary plate (2) and/or the base (1) and used for supporting the rotary plate (2) on the base (1). By arranging the supporting parts at the axis and in two or more positions on the radial outer side of the axis, a plane can be determined through the three or more supporting points jointly, and the effect that the rotary plate is stably supported on the base can be ensured; and the situation that the oscillating structure shakes during operation is avoided, and the oscillating structure operates stably and smoothly in the working and operation process.

The invention discloses a packing and transport device for pipe sections for chemical modular prefabrication. The packing and transport device comprises a transport frame; intermediate cross beams are detachably fixed to the transport frame and form a plurality of storing layers for storing the pipe sections; the height spacings between the storing layers, the height spacing between the lowermost storing layer and a lower enclosing frame, and the height spacing between the uppermost storing layer and an upper enclosing frame are all adaptive to the sizes of the pipe sections on the corresponding layers; the different pipe sections are placed on the storing layers in a layered mode; according to the parking and transport device, the pipe sections can be effectively supported, so that mutual squeezing among the pipe sections is avoided, and hoisting unloading is facilitated. In addition, the invention further discloses a packing and transport method. According to the transport method, pre-placing is conducted on three-dimensional software firstly, thus squeezing among the pipe sections can be avoided, the situation that the pipe sections waggle and consequently collide is avoided, and hoisting unloading on a construction site is facilitated.

The invention provides a 5G integrated elastic needle structure used for connecting a filter and an antenna and comprising an elastic pin body and a contact pin body inserted into the elastic pin body, the head of the elastic pin body is connected with a PCB of the filter, the tail of the elastic pin body is provided with a connecting hole allowing the contact pin body to be inserted, the head ofthe contact pin body is inserted into the connecting hole, and the tail is in contact connection with the PCB of the antenna when the PCB is pressed. The elastic needle structure is reasonable in structural design, can effectively guide the insertion of the contact pin body, guarantees that the contact pin body does not shake or fall off, enables the contact pin body not to excessively abut against the elastic pin body after being pressed, enables the contact pin body to effectively reset after being pressed, can replace three connectors, and is lower in price and cost compared with the use ofthree connectors.

The invention provides a radio-frequency coaxial connector comprising a housing and a nut. The housing is internally and coaxially provided with an inner connection pipe. An O-shaped ring is sleeved outside the left end of the inner connection pipe, wherein the O-shaped ring is made of a silica gel material. The nut is inserted into the inner connection pipe and is in 360-degree movable connection with the housing. The right end of the connector, the inner side of the housing and the outer side of the inner connection pipe are pressed and provided with a pressing ring and a plain washer in sequence from right to left. The left side of the plain washer is provided with a toothed washer, wherein the toothed washer is an internal-tooth washer moulded at a time. The housing is provided with a loop of groove, wherein the groove is internally provided with a loop of antiskid leather ring. The connector changes an original crimping tool; a stripped cable can be directly inserted into a joint; and the cable is firmly fixed through the internal tooth washer in the joint, so that a 150 N pulling force can be realized, and the joint does not fall off. The radio-frequency coaxial connector is reliable in connection, good in vibration resistance, and excellent in machinery and electrical performance, and can be widely used for connecting radio frequency cables in radio equipment and instruments.

The invention discloses a transformer body positioning apparatus for an on-load capacity-adjusting type amorphous alloy transformer. The transformer body positioning apparatus is used for fixing the transformer body of the on-load capacitor-tuning type amorphous alloy transformer in an oil tank; the transformer body positioning apparatus comprises a pair of hoop bodies, multiple metal rods and a positioning base, wherein the pair of hoop bodies are detachably connected through a connecting piece, and tightly clamps the upper part iron yoke on the transformer body; multiple first convex ridges and multiple first convex part groups are uniformly distributed on the inner walls of the loop bodies; the positioning base is fixed at the bottom of the oil tank; a positioning groove is formed in the positioning base, and the lower part iron yoke of the transformer body is just accommodated in the positioning groove; multiple second convex ridges and multiple second convex part groups are uniformly distributed on the inner wall of the positioning groove, wherein the vertical outlines of the first convex ridges are hyperbolic curves while the vertical outlines of the second convex ridges are parabolic curves. Due to the upper part loop bodies and the lower part positioning base, the positioning accuracy of the transformer body can be improved and the stability of the transformer body in the oil tank can be reinforced; and in addition, the transformer body positioning apparatus has excellent anti-vibration and vibration-damping performances.

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 relates to the technical field of internal combustion locomotives, in particular to a dustproof storage battery pack package. A storage battery pack is mounted in the storage battery box, and an isolation plate is arranged at the bottom of the storage battery box to prevent direct contact between the storage battery pack and the bottom of the storage battery box; the storage battery pack is provided with a storage battery wiring pole, the storage battery wiring pole is provided with a storage battery output port, the plate surface of the storage battery pack cover plate is provided with a storage battery port hole matched with the storage battery output port, and the storage battery output port extends out of the storage battery port hole and is packaged. The direct exposure of the connecting copper bar and the pole of the single storage battery is effectively avoided, the problem that the exposed pole of the storage battery is easily attached by sundries and dust is solved, and the dustproof and maintenance-free effects are further achieved; the wiring pole of the storage battery is made of an iron-nickel-plated material, so that the strength of the pole is improved, the damage of the storage battery is reduced, meanwhile, the threaded positioning pin improves the stability of a port, and the telescopic pipe is adjusted as required, so that the storage battery pack does not shake in a storage battery box and is good in stability.