58results about How to "Disengagement will not occur" patented technology

The invention provides a traverse control technology, capable of preventing the deviation and broken line of a wire rod in advance with the bigger change of the wire rod reeling spacing. A traverse device (1), reels the wire rod (3) of a reel (4) for a linear saw (2) on a traverse roller (5) and a tension roller (14), when the traverse roller (5) is the reciprocating motion along the axial direction of the reel (4), the target position of the wire rod (3) is in the right-angle direction relative to the axial direction of the reel (4) between the reel (4) and the traverse roller (5), the reference force (F1) of the wire rod (3) is detected at the tensioning roller (14), the variation force (F2) based on the displacement of the wire rod (3) deviated from the target position is detected at the traverse roller (5), based on the variation of the difference (delta F) of the reference force (F1) and the variation force (F2), the reciprocating speed (V) of the traverse roller (5) is controlled.

The invention belongs to the technical field of connection pieces and particularly provides an expansion bolt convenient to disassemble. The expansion bolt convenient to disassemble comprises a firstscrew cap, a first threaded rod and a first nut. The first threaded rod is fixedly installed on the bottom surface of the first screw cap and coaxial with the first screw cap. The first threaded rod is sleeved with the first nut. The bottom surface, far away from the first screw cap, of the first threaded rod is provided with a first through hole extending to the bottom surface of the first screwcap. The upper surface of the first screw cap is provided with second through holes communicating with the first through hole. A locking piece is fixedly installed on the upper surface of the first screw cap. The other end of each steel wire rope penetrates through an installation plate, the first through hole and the corresponding second through hole to be connected with the locking piece. The steel wire ropes are used for tensioning friction blocks to enable the elastic pieces to be compressed and deformed. According to the expansion bolt convenient to disassemble, through the arrangement ofthe friction blocks and the elastic pieces, the first nut is squeezed, so that locking of the bolt is achieved; a first screw is arranged to drive the steel wire ropes to move in the vertical direction so as to enable the bolt to be convenient to disassemble; and the use efficiency of the expansion bolt convenient to disassemble is improved.

The invention belongs to the field of lithium batteries, and provides a lithium battery current collector and a preparing method thereof. The lithium battery current collector comprises current collector foil and inert buffer layers applied to at least one surface of the current collector foil. Each inert buffer layer comprises coating powder and a binder, wherein the coating powder comprises at least one of metal nitride and metal carbide. The preparing method comprises the steps of dispersing the coating powder and the binder in a solvent to form inert buffer size, applying the inert buffer size to at least one surface of the current collector foil to form an inert buffer size coating, and conducting drying treatment.

The invention discloses a method for assembling lining plates of a multi-cylinder cone crusher. Moving cone lining plate installation comprises the steps that parts and tools are prepared; a movable cone lining plate falls onto a movable cone; a cutting ring is placed at the top of the movable cone; a locking bolt penetrates through the cutting ring and is screwed on the movable cone; the movablecone lining plate is centered on the movable cone and is in place; the movable cone lining plate is heated; a locking bolt is tightened; the cutting ring is welded; and epoxy resin is filled. Fixed cone lining plate installation comprises the steps that parts and tools are prepared; a fixed cone is placed on a fixed cone lining plate, so that the fixed cone lining plate and the fixed cone are centered and placed in place; a square head bolt, a spherical nut and a wedge block are installed; the spherical nut is screwed down, so that the wedge block correctly pushes against the fixed cone liningplate; whether the matching surface of the fixed cone lining plate and the fixed cone is tightly attached or not is checked; epoxy resin is filled; and a stop block and a nut lock are arranged to limit the rotation of the square head bolt and the spherical nut. According to the method, the correct, firm and reliable installation of the lining plates can be ensured; and the mounting time of the lining plates of the multi-cylinder cone crusher is saved, so that the replacement efficiency of the lining plates of the crusher is improved.

The invention provides a novel pipe joint, which has necessary and sufficient functions as a pipe joint such as for a water supply steel pipe, and simultaneously improves an application property. The pipe joint (1) provided by the invention comprises: straps (5, 5) which are welded on a part of the external circumferential surface of each connection end (4, 4) of two connected pipes (3, 3) and are used for fixing flanges; and a pair of plate-shaped flanges (6, 6) which extend along a direction parallel to a pipe shaft, and are formed at external sides of the straps (5, 5) for fixing the flanges at two positions opposite to the radial directions of the pipes, wherein connection holes (7, 7) for inserting fasteners are arranged on each flange, and the straps (5, 5) for fixing the flanges enable the pipe shafts to only extrude a specified distance to the external parts away from the end edges.

An install arrangement of refrigerator lamp consists of a guiding plate and a lamp holder thereon. An installing hole is located on the guiding plate. Two grooves are respectively formed on the upper and lower edges of the hole. A flange is located from a side of lamp cover to a central portion on top of the screw portion in a declined way. A fixing hook is arranged at lower portion of the flange in a downward declined way. An elastic hook integrated with the holder on top of the holder with corrugated portion at its upper location to form a platform section, an upward declined section and a downward declined one. Its advantages include simple structure, easy opration, and tight installation with surface contact between the elastic hook and the lower edge of concave groove.

The invention relates to a multipurpose wrench, which comprises a shell, wherein a plurality of sleeve holes are formed on the circumferential wall of the shell towards the direction of the centre of a circle, and have different sizes. The multipurpose wrench is suitable for screwing external hexagonal screws or nuts.

The invention provides a self-grinding and self-rotating three-way reversing disc valve. A closed valve cavity is formed among an upper valve body 10, a lower valve body 1 and a middle body 3. The lower valve body 1 is provided with an inlet. The upper valve body 10 is provided with a first outlet and a second outlet. Valve seats 9 are arranged on the upper valve body 10 and the lower valve body 1 correspondingly. The valve seats are in sealed fit with upper and lower valve discs 4. The upper and lower valve discs 4 are in pressing fit on the sealing faces of the valve seats 9 through elastic supports. The center axes where the upper and lower valve discs 4 are located, the center axis where the inlet of the lower valve body 1 is located and the center axis where the first outlet in the upper valve body 10 is located do not coincide with one another, and eccentricity exists. The upper and lower valve discs 4 can achieve self-rotating around the center axes of the upper and lower valve discs 4. A sharp corner is formed at the junction of the side face and the bottom face of each valve disc (4). In the movement process of the valve, the valve discs (4) rotate around a valve rod and meanwhile achieve self-rotating around the center axes of the valve discs (4), the sealing faces are constantly ground and polished, and the service life of the valve is prolonged. In the valve reversing process, the sharp-edge valve discs (4) constantly scrape foreign matter on the sealing faces, the situation that particle media enter the sealing faces to cause damage is avoided, and the service life of the valve is prolonged.

The invention provides sticky controllable adhesive tape and an application method thereof. The sticky controllable adhesive tape at least comprises a base film and an adhesive layer, wherein the surface of the base film at least comprises the adhesive layer, the adhesive layer initially has no adhesive force at room temperature, when the temperature is raised to 70-95 DEG C, the adhesive layer produces a matching adhesive force, and when the temperature is adjusted to a specific temperature in a temperature range other than 70-95 DEG C, the adhesive force is reduced. The adhesive layer initially does not need to cover a release film at room temperature. When heated to 70-90 DEG C, the adhesive layer produces the matching adhesive force, so that the processing accuracy of ceramic lamination and cutting process is ensured. The lamination is completed and cooled to the room temperature, the adhesive tape still has sufficient adhesive force for ceramic lamination, so as to ensure that multi-layer ceramic lamination and the adhesive tape cannot be subjected to displacement and detachment in the process of transfer and transportation, after cutting is completed, heating is carried out to a specific temperature, the adhesive force between the adhesive tape and ceramic pieces is greatly reduced, and the ceramic pieces can be easily picked up from the adhesive tape. The temperature sensitive adhesive is very suitable for lamination and cutting of ceramic capacitors.

The invention discloses modeling construction equipment for landscaping, which comprises a machine shell, a diesel engine body is arranged in the machine shell, a sawtooth chain frame is arranged at the bottom end of the machine shell, one end of the diesel engine body is connected with an output shaft, a transmission sleeve is fixed to one end of the output shaft, a transmission block and a transmission column are arranged in the transmission sleeve, the transmission block is located at one end of the transmission column, and inclined surfaces with the same inclination are arranged on the adjacent surfaces of the transmission column and the transmission block. The transmission block, the transmission sleeve and the transmission column are designed, the transmission block and the transmission column are assembled in the transmission sleeve, the transmission block is driven by the transmission sleeve to rotate, at the moment, the adjacent surfaces of the transmission block and the transmission column are attached to each other to achieve synchronous transmission, at the moment, the inclined surfaces between the transmission column and the transmission block mutually extrude to push the transmission block to slide upwards, so that separation is generated, power transmission is stopped in time, and tooth pieces are prevented from being damaged.

The invention discloses a mounting bracket for a solar photovoltaic module. The mounting bracket includes a solar photovoltaic module, a fixing seat, a rotating shaft, a supporting rod, a screw rod, afastening plate and an annular plate, wherein the two sides of the solar photovoltaic module are connected with one side of a non-slip mat; the other side of the non-slip mat is connected with a positioning plate; the non-slip mat is provided with a plurality of first protrusions; the positioning plate is provided with first grooves, and the first protrusions are matched and with connected the first grooves. The two ends of the solar photovoltaic module are connected with one end of positioning plate. The other end of the positioning plate is connected with the fixing seat through a pluralityof second fixing bolts. The middle of the fixing seat is connected with a connecting sleeve through the rotating shaft, the lower portion of the connecting sleeve is connected with the supporting rod, one side of the fastening plate is connected with a connecting sleeve, and the other side of the fastening plate is connected with the supporting rod through a first fixing bolt. The screw rod is sequentially connected with the fastening plate, the connecting sleeve and the supporting rod, and the two ends of the screw rod are connected with nuts through threads.

The present invention provides a circuit substrate and a circuit-formed suspension substrate comprising the circuit substrate, the circuit substrate comprising a metal foil substrate and an insulating layer composed of a polyimide resin formed on the metal foil substrate, wherein the polyimide resin is one obtained by the reaction of (A) p-phenylene diamine and (B) acid anhydrides of (a) 3,4,3',4'-biphenyltetracarboxylic acid dianhydride and (b) 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane. Since a coefficient of linear thermal expansion of the polyimide resin is close to that of various metal foils, the circuit substrate causes no cracking on the resin layer and scarcely causes warpage, and the resin layer does not separate.

The invention relates to the technical field of filling devices, and discloses a ceramic filling device with the high intelligent degree. The ceramic filling device comprises a ceramic pump body, a ceramic piston, a telescopic block and a ceramic shaft sleeve, the outer side of the ceramic pump body is fixedly sleeved with a matched protective sleeve, and a piston rod of the ceramic pump body is in threaded connection with the ceramic piston; the piston rod of the ceramic pump body is fixedly sleeved with a fixing ring, a locking mechanism is installed between the fixing ring and the ceramic piston, a guide pipe is fixedly inlaid in the center of the top of the protective sleeve, a matched threaded rod is movably inserted in the guide pipe, and the bottom end of the threaded rod penetratesthrough the guide pipe, extends downwards and is fixedly connected with the telescopic block; and the telescopic block is movably connected with the protective sleeve, the ceramic shaft sleeve is fixedly installed in the center of the lower surface of the telescopic block, and sliding grooves are symmetrically formed in the inner wall of the guide pipe. According to the ceramic filling device with the high intelligent degree, the telescopic block can be conveniently adjusted and controlled to ascend and descend, and the ceramic piston can be conveniently disassembled, assembled and replaced according to needs.

The invention discloses leather cutting equipment for bag manufacturing. The leather cutting equipment structurally comprises supporting stand columns, spreading and stretching mechanisms, an operation platform, a first limiting rod, a knife rest, a second limiting rod, spreading inlets, an operation button, heat dissipation openings, a machine body and an operation panel, wherein the operation platform is fixedly arranged at the top end of the machine body, and the spreading and stretching mechanisms are mounted on the two sides of the operation platform correspondingly; the spreading inletsare formed in one sides of the spreading and stretching mechanisms, and the heat dissipation openings are formed in the machine body and located below the spreading inlets; and the operation panel isarranged beside the operation platform. The spreading and stretching mechanisms and a pressing mechanism are combined to solve the problems that when the thickness of leather is not uniform, leather is too thick or too thin, folding and displacement are caused in the spreading process, and consequently errors occur in cutting of the next procedure and produced bags cannot reach the national standard; and round plastic clamping teeth are adopted for pressing, so that attractiveness of the leather is prevented from being damaged by scratches on the leather.