42results about How to "Applicable assembly" patented technology

The invention provides an excavator and a bucket tooth connection assembly thereof. The bucket tooth connection assembly comprises a tooth top, a tooth holder, a pin bush and a tooth pin, wherein the tooth top is provided with an inner cavity and a first mounting hole; the first mounting hole is formed on the wall of the inner cavity; the tooth holder is provided with a head part and a second mounting hole; the second mounting hole is formed in the head part; the head part is matched with the inner cavity; the pin bush is provided with a pin bush body, a reinforcing part, a hinge pin hole, a placement groove, a positioning groove and a guide part and is arranged in the second mounting hole; the tooth pin is provided with a pin body and a hinge pin; the hinge pin is provided with a convex tongue part; the tooth pin is inserted into the first mounting hole; the hinge pin is inserted into the hinge pin hole; the tongue part rotates the tooth pin after passing through the placement groove; the tongue part passes through the guide part to be clamped in the positioning groove so as to fixedly connect the tooth top and the tooth holder. The bucket tooth connection assembly provided by the invention can provide excellent support in the case of impact and vibration; technical difficulty is reduced when the tooth top and the tooth holder are made; matching accuracy is improved; the bucket tooth connection assembly is convenient to manufacture and is convenient to install and disassemble; meanwhile, the phenomenon that the tooth top is lost in the use process is avoided.

A scuffing detection method for a lateral shearing interferometer is provided. The lateral shearing interferometer to be scuffed is coated evenly with photosensitive glues and is vertically put on a high precision optical plate of a precision adjusting platform. The laser light output by a laser forms into even parallel light on the lateral shearing interferometer to be scuffed. Interference fringes formed on the send out end of the lateral shearing interferometer to be scuffed are received by a digital camera and are displayed in real time on a computer. The CCD pixel number M0 of the digital camera occupied by N0 interference fringes is calculated. Two prisms are moved slightly to read CCD pixel number M of the digital camera occupied by N0 interference fringes. When the CCD pixel number M becomes to be M0, the two prisms are set not to move. The two scuffed prisms are solidified. The invention solves a technical problem in background technology that the lateral shearing amount of the lateral shearing interferometer is hard to be precisely controlled. The error of the lateral shearing amount of the invention can be controlled within 1%.

The invention discloses a thread core-pulling rivet and a riveting method using the same. The thread core-pulling rivet comprises a rivet rod with a limiting cap, a driving ring mounted on the rivet rod in a threaded mode and a rivet sleeve arranged on the rivet rod in a sleeving mode and located between the limiting cap and the driving ring. A blocking head matched with the limiting cap in an abutting mode is arranged at one end of the rivet sleeve, and the other end of the rivet sleeve and the driving ring are matched circumferentially in a positioned mode. In riveting, the rivet rod rotatesrelative to the rivet sleeve, the driving ring and the limiting cap apply force to the rivet sleeve oppositely to enable the rivet sleeve to be deformed, and after riveting, a deformed part of the rivet sleeve and the blocking head abut against the two sides of a riveting part. The thread core-pulling rivet has high pre-tightening force, tensile strength and fatigue strength after being mounted and is easy to assemble, so that the manufacturing difficulty and cost are reduced.

This invention discloses a disc screw locking device including: a frame, a mandril unit, screw-locking unit, a disc localizing clamp and a sliding frame, in which, the screw-locking unit is used in extracting and screwing down screws and the disc localizing clamp is used in fixing the disc, the sliding frame is fixedly connected with the screw-locking unit sliding up and down on the frame and the sliding frame is supported above the mandril unit.

The invention discloses a preparation method for preparing an electrode of a graphene super capacitor via a screen printing method. The preparation method comprises the following steps that 1) oxidized graphite is prepared; b) the oxidized graphite is reduced to obtain graphene powder; c) the graphene powder is configured into a slurry; and d) the slurry is printed at the target substrate surfacein the screen printing method to obtain a graphene electrode.

The invention discloses a positive electrode material of a liquid or semi-liquid metal battery and a preparation method and application thereof, and belongs to the field of electrode materials of energy storage batteries. Metal Ga or Ga alloy formed by Ga and one or more elemental substances of Sb, Bi, Sn and Pb is used as a positive electrode material to be alloyed with existing negative electrode materials (Li, Na, K, Ca and Mg), thus having good electrochemical performance. The metal Ga has a very low melting point (29.8 DEG C.). The Ga alloy is simple to prepare. The Ga or the Ga alloy isused in liquid or semi-liquid metal batteries to maintain the advantages of high capacity and long service life of liquid or semi-liquid metal batteries and reduce the working temperature of the batteries, reduce the polarization of the batteries, increase or stabilize the discharge voltage of the batteries and improve the charging and discharging performance of the batteries under high current density.

The invention provides a direct growth method of a flexible X-ray sensor scintillator layer. The growth method at least comprises the steps that firstly a flexible substrate layer of which the surfacehas preparation of a pixel array layer is provided; then the flexible substrate layer of which the surface has preparation of the pixel array layer is fixed on the plane support or the curved supportof the top part of a cavity, and a CsI scintillator layer is deposited on the surface of the pixel array layer by heating the CsI source of the bottom part of the cavity, wherein the CsI scintillatorlayer includes a CsI broken crystal layer and a CsI columnar crystal layer; and finally a sealed damp-proof layer is formed on the surface and the sidewall of the CsI scintillator layer. With application of the direct growth method, the CsI scintillator layer can be directly grown on the flexible substrate layer and the CsI layer can remain intact without crack when the sensor is bent, and the CsI can maintain performance without degradation even under the condition of multiple times of large-angle bending so as to have great reliability.

The invention provides a graphite bipolar plate preparation method and the graphite bipolar plate. The method comprises the following steps of firstly, carrying out intercalation treatment on crystalline flake graphite, carrying out instantaneous expansion at a high temperature to obtain expanded graphite, pre-pressing the expanded graphite into plates with different densities, and carrying out pressure or vacuum impregnation in a low-viscosity organic solvent containing resin, and heating and evaporating the plate subjected to surface treatment in an oven to remove the solvent, carrying out die pressing under a vacuum condition to form a flow field, and curing to form the bipolar plate. According to the technical scheme, the density of the prepared graphite bipolar plate is 1.0-2.0 g/cm<3>, the tensile strength of the bipolar plate subjected to impregnation treatment is 25-35 MPa, the mechanical property is improved along with the increase of the resin content, the gas sealing property is good, the preparation method is beneficial to reducing the thickness of the polar plate, and batch production is easy.

The invention discloses preparation and application of gold-silver alloy nano-particles for metal micro-nano structure assembly, and belongs to the technical field of material chemistry. Silver nitrate and an organic solution of a quaternary ammonium salt are mixed and then stirred, a proton acid aqueous solution is added, then chloroauric acid and alkyl mercaptan are added, stirred and heated to30-40 DEG C, then reduction is performed with sodium borohydride, assembling is performed for 8-24 h to obtain the gold-silver alloy nanoparticles with a diameter of 3-4 nm of different gold and silver atom ratios. The molar ratio of the quaternary ammonium salt to protonic acid to noble metal salt to alkyl mercaptan to sodium borohydride is (2-3) to (3-4) to 1 to (2-4) to (6-10), wherein the noble metal salt is prepared form silver nitrate and chlorine, and the proportion of silver nitrate and the chloroauric acid is arbitrary. The preparation process of the gold-silver alloy nanoparticles issimple, the preparation efficiency is high, and the environmental hazards are small; and the alloy nanoparticles have good solubility in an organic solvent, and can be used for assembling by a solution method of a functional metal micro-nano structure.

The invention provides a method for preparing an aging-resistant polyester hot-melt adhesive for electronic products. The preparation method is as follows: (1) Weigh and prepare the rosin tackifying resin component by weight; (2) After dissolving the disproportionated rosin with toluene, add thionyl chloride at the same time, after the reaction, add triethylamine, hydroquinone, acrylic acid ‑2‑Ethylhexyl ester, continue to react, after filtering, washing, and removing solvent, get rosin tackifying resin; (2) Copolyester, rosin tackifying resin, α‑methylstyrene modified C5 petroleum resin , ethylene-vinyl acetate-vinyl alcohol terpolymer, and terpene resin are uniformly mixed according to the mass ratio, and are extruded and granulated by a twin-screw extruder to obtain polyester hot-melt rubber particles. The aging-resistant polyester hot-melt adhesive for electronic products of the invention is suitable for bonding and assembling plastics and metal parts in electronic products.

A battery press-fitting device comprises a base, a rotary mechanism, a turnover mechanism and a press-fitting mechanism. The base is of a shell structure, and a through hole is formed in the center of the upper end face of the base. The rotary mechanism is arranged in the base. The turnover mechanism is arranged on the base. The press-fitting mechanism comprises a fixed framework, two guide rails and sliding blocks, a pressing plate support, a pressing plate and a press-fitting electric cylinder. The fixed framework is vertically arranged on the side face, close to a drive shaft of the turnover mechanism, of the base, and a mounting platform located above the base is further vertically arranged on the side face, corresponding to the base, of the fixed framework, and is parallel to the top face of the base. The two guide rails and sliding blocks are arranged on the side face, opposite to the base, of the fixed framework in the length direction. One side of the pressing plate support is connected to the sliding blocks. The pressing plate is arranged on the pressing plate support and is parallel to the base. A cylinder body of the press-fitting electric cylinder is vertically arranged on the mounting platform of the fixed framework, and the end of a piston rod of the press-fitting electric cylinder penetrates the mounting platform to be connected with the pressing plate support. According to the battery press-fitting device, it can be guaranteed that batteries on each layer are accurately located, the compression precision and the magnitude of press-fitting acting force can be guaranteed, and meanwhile the battery press-fitting efficiency is improved.

The invention relates to the field of automatic assembling equipment, and provides a 3D roller assembling machine for a mouse. The 3D roller assembling machine for the mouse comprises a rack, whereina master control electric box is arranged at the bottom of the rack; an assembling platform and a square protective cover are arranged on the top of the rack; the square protective cover covers the top of the assembling platform; a master control panel is arranged at the front end of the square protective cover; the assembling platform comprises a roller feeding plate, a rubber ring feeding plate,a manipulator mechanism, a support frame, a rubber ring inserting-in mechanism and a rubber ring twisting mechanism; the roller feeding plate is used for automatically conveying rollers; the rubber ring feeding plate is used for automatically conveying rubber rings; the manipulator mechanism is used for clamping the rollers and conveying the rollers; the rubber ring inserting-in mechanism is usedfor assembling the rubber rings into the rollers in a matched manner; and the rubber ring twisting mechanism is used for twisting the rubber rings back and forth to ensure that the rubber rings are assembled in place. A whole assembling process is intelligently and automatically controlled to realize full-automatic intelligent assembling. Compared with the traditional manual assembling process, the 3D roller assembling machine for the mouse has the advantages that full-automatic assembling is adopted, a large number of labor costs can be saved, meanwhile, the overall working efficiency can beimproved, and the 3D roller assembling machine for the mouse is particularly suitable for assembling of a full-automatic assembly line.

A fuel cell press provided by the invention belongs to the technical field of fuel cell tooling, and particularly relates to assembly and compacting equipment for fuel cells. The fuel cell press comprises: a frame, a power device, a pressure transmission device, an upper mold, a lower mold, and an electronic control system, wherein the fuel cell press further comprises a linear grating scale, a grating scale head, and a pressure sensor. When the pressure value needs to be controlled, the electronic control system reads the signal of the pressure sensor; when a set pressure value is reached, the numerical control motor is stopped, and then each of the screws around the fuel cell assembly is locked; when the size value needs to be controlled, the electronic control system reads the signal ofthe reading head of the grating scale head, and when the set stroke is reached, the numerical control motor is stopped, and then each of the screws around the fuel cell assembly is locked; and when the numerical control motor is reversed, the upper mold moves upward to take out the assembled fuel cell assembly. After adopting the technical solution, the fuel cell press can be applied to assemblyof various types of fuel cells.

The present invention relates to the field of mechanical equipment, especially to an assembling device of an electrical connector. The assembling device comprises a feed mechanism, an orienteering mechanism, a positioning mechanism, a first transfer mechanism, a second transfer mechanism, a bolt assembling mechanism and a transmission mechanism. The orienteering mechanism is located below the tailend of the feed mechanism, the positioning mechanism is located at the tail end of the orienteering mechanism, the first transfer mechanism is located between the transmission mechanism and the positioning mechanism, the bolt assembling mechanism and the second transfer mechanism are symmetrically arranged at two sides of the transmission mechanism, the transmission mechanism comprises an installation seat, a fixed block, a first transmission module, a second transmission module and a compressing module, the fixed block is fixedly connected with the installation seat through a bolt, and the middle portion of the fixed block is provided with a penetrating hole. The assembling device of the electrical connector can achieve automatic assembling of the electrical connector, the bolt and a metal tube, can perform regulation according to specification and dimension of the electrical connector and can be suitable for assembling of different electrical connectors.

The invention relates to a large-size split type composite material propeller assembling tool. The large-size split type composite material propeller assembling tool comprises a main body platform, a bottom supporting disc, a propeller blade positioning adjusting ring, a blade supporting adjusting movable block and a blade root supporting adjusting movable block. An operation reserved round hole with the aperture not smaller than the outer diameter of a propeller hub is formed in the middle of the body platform. The diameter of the bottom supporting disc is not smaller than the aperture of the operation reserved round hole. The outer ring diameter of the blade positioning adjusting ring is consistent with the outer diameter of the propeller hub, and the blade positioning adjusting ring is located in the operation reserved round hole and arranged on the bottom supporting disc. The blade supporting and adjusting movable block and the blade root supporting and adjusting movable block are arranged on the main body platform and are respectively used for supporting the blade and the blade root of the paddle; the blade supporting and adjusting movable block and the upper surface are blade contact surfaces, and a height adjusting device is arranged on the blade supporting and adjusting movable block; the upper surface of the blade root supporting adjusting movable block is a blade contact surface, and the side face is provided with a jacking device. Through linkage adjustment of the blade supporting and adjusting movable block, the blade root supporting and adjusting movable block and the blade positioning and adjusting ring, the assembly precision is guaranteed.