43results about How to "Easy post-assembly" patented technology

The invention relates to a winding die for molding an interior grid stiffened cylindrical shell structure part. The winding die comprises a body die, a core die and an outer die; evenly-arranged T-shaped grooves are formed in the two sides of the body die, the core die and the body die are assembled through T-shaped blocks, the outer die is arranged on the outer side of the core die and used for limiting the appearance of the molded part, end frame flanges facilitating turnup of the molded part are arranged at the two ends of the body die, and sealing heads are arranged on the outer side of the end frame flange. The using steps of the die comprises (1) cleaning and die assembling, (2) reinforcing rib winding, and vacuum bag hitting for pre-compaction; and (3) moving the die to a drying oven for curing, and demolding after curing is carried out. The winding die can be repeatedly used, grid reinforcing ribs of the molded product have the high size accuracy and position accuracy, the product quality consistency is good, and later period assembly of the product is facilitated.

The invention discloses a miniaturized frequency selection surface based on a double-opening resonance ring. A band-pass effect is formed through the combined action of the double-opening resonance ring and a middle coupling aperture. When electromagnetic wave is irradiated to the frequency selection surface, resonance is caused by the opening resonance ring. The frequency selection characteristicof the opening resonance ring is utilized, so that a high spatial filtering function is achieved, meanwhile, the miniaturization characteristic is realized; compared with a common frequency selectionsurface, the cell area is greatly reduced, and the size of the whole circuit unit is only 0.3lambda 0*0.3lambda 0; meanwhile, by virtue of mutual coupling between the opening gap of the resonance ring and an interlayer coupling window, a good out-of-band rejection effect is achieved; and a transmission zero point is arranged on each of the two sides of the band, so that the rectangular coefficient of the circuit is greatly improved. A symmetrical circuit structure is adopted, so that the structure is simple, and machining is easy; and meanwhile, the whole circuit is quite high in stability around the incident angle theta and a formula which is as shown in the specification, so that the practical value is increased.

The invention discloses a camera night vision illuminating system and a control method thereof, wherein the camera night vision illuminating system is high in optical utilization rate, large in divergence angle adjustment scope, and capable of achieving attention to both short-range and long-range targets. The camera night vision illuminating system comprises a control module, a power module, a light dependent resistor, an optical coupling switch and a stepping motor, wherein the power module, the light dependent resistor, the optical coupling switch and the stepping motor are connected with the control module. The power module is connected with an infrared source, an angle changing lens is arranged at the front end of the infrared source, and the stepping motor is connected with the angle changing lens. The camera night vision illuminating system is characterized by further comprising a laser distance measuring sensor which is connected with the control module. The night vision illuminating system is big in light-out divergence angle scope, capable of achieving attention to both short-range and long-range targets and meeting requirements for a camera market, high in optical effective utilization rate, simple in optical path design, good in long-distance illumination effects, low in cost, and easy to process and assemble in the later stage. Through adoption of a laser ranging linkage angle changing mode, the camera night vision illuminating system is safe, reliable, and capable of effectively avoiding potential safety hazards of laser products.

The invention discloses a fully-automatic film stripping machine. The fully-automatic film stripping machine comprises a rack, a first conveying mechanism, a second conveying mechanism, a film separating mechanism, a supporting mechanism and a workpiece clamping mechanism, wherein the film separating mechanism is arranged on the second conveying mechanism; the film separating mechanism comprises afilm jacking part and a film clamping part; the film jacking part is arranged above a film stripping station, and can get close to or get away from the film stripping station in a height direction ofthe rack; the film jacking part is used for downwards jacking a protective film at the bottom end of a tray for separating the protective film at the bottom end of the tray from the tray after getting close to the film stripping station; and the film clamping part gets close to the film stripping station and then clamps the protective film which is separated from the tray. The fully-automatic film stripping machine can realize stripping a workpiece from the protective film at the bottom end of the tray; and the workpiece separated from the protective film is loaded on a workpiece carrying disc.

The invention provides a liquid level sensor of a compressor. The liquid level sensor comprises a compressor housing. An oil storing cavity of freezing lubricating oil is arranged in the compressor housing. An opening is arranged in the compressor housing. The liquid level sensor comprises a housing body with an opening which is in sealed connection with the opening of the compressor housing. The liquid level sensor also comprises a filtering screen which is arranged on the inner side of the opening of the housing body. The filtering screen surrounds at least parts of inner wall of the housing body, so a detection cavity communicated with the oil storing cavity via the filtering screen is formed. The liquid level sensor also comprises a floating ball which is arranged in the detection cavity and rises and descends along with change of liquid levels of the freezing lubricating oil. At least one permanent magnet is arranged on the floating ball. The liquid level sensor further comprises an inductor which is installed on the outer wall surface of the housing body. The inductor can be easily assembled later and pre-assembled for mass production, individually changed and more suitable for small semi-enclosed and fully-enclosed compressors.

The invention provides a heat pipe type heat exchanger. Theheat pipe type heat exchanger comprises a porous medium material, an integrated heat pipe and a high-temperature heat exchanger, wherein theintegrated heat pipe comprises a heat pipe condensation section, a heat pipe heat insulation section and a heat pipe evaporation section which are connected in sequence, the heat pipe evaporation section is embedded in the porous medium material, and the heat pipe condensation section is embedded into the high-temperature heat exchanger. According to the heat exchanger, gas and air are mixed and burnt in the porous medium material, so that the heat exchange surface area is expanded by flue gas and the porous medium material, the heat transfer effect is enhanced, and the heat exchange coefficient is improved; and meanwhile, theintegrated heat exchange pipe is adopted, and high-temperature heat is uniformly conveyed into a heater of a power device, so that the high-efficiency, high-temperature and uniform heat exchange process of fuel in the power device is realized, the problems that a heating pipe is prone to being burnt out and heat exchange is difficult to strengthen due to the factthat at present, an engine is heated by directly utilizing the high-temperature flue gas are solved, and the later assembly and installation are facilitated.

The invention provides a high-heat-conductivity niobium three-tin superconducting coil and a manufacturing method thereof. The high-heat-conductivity Nb3Sn superconducting coil comprises a stainless steel framework (1), an insulating layer (2), a Nb3Sn superconducting coil (3), aluminum nitride (4), sodium chloride (5) and a central support (6). The high-heat-conductivity Ni3Sn superconducting coil is adopted, the mechanical supporting structure of stainless steel is utilized, the high heat conductivity of aluminum nitride is combined, the cold conduction effect of the thin-wall stainless steel framework can be improved, the problem that the cooling capacity of the Ni3Sn coil is poor is effectively solved, the refrigeration effect of the Ni3Sn coil is improved, and the service life of the Ni3Sn coil is prolonged. Therefore, the current-carrying capacity of the Ni3Sn coil is improved, and the performance of the Ni3Sn superconducting coil is improved. Meanwhile, in order to solve the problem that thin-wall stainless steel is prone to deformation at high temperature, the gap between the stainless steel framework and the center heat-resistant steel support is filled with sodium chloride, radial shrinkage of the stainless steel at high temperature is effectively prevented, sodium chloride can be removed only through water dissolution after temperature returning, and the center heat-resistant steel support can be conveniently pulled out.

The invention relates to a clamping cover die with an angle fine-adjustment structure. The clamping cover die comprises a main base plate. The left side face of the main base plate is provided with a main inclined face. An auxiliary base plate is arranged on the left side of the main base plate. The upper surface of the auxiliary base plate is provided with an auxiliary inclined face matched with the main inclined face. The main inclined face and the auxiliary inclined face are fixedly connected through an adjusting rubber pad. According to the clamping cover die, the angle between the main base plate and the auxiliary base plate is changed through a main adjusting wheel in a first groove and a first driven adjusting wheel and a second driven adjusting wheel in a second groove in cooperation with an adjusting pull rope, and the university of the clamping cover die is improved greatly; tightening of the adjusting rope is kept through a torsional spring on the inner side of the main adjusting wheel, so that follow-up assembly is facilitated, and the safety of the adjusting pull rope is improved; and a locking block on the outer side of the main adjusting wheel is used for preventing the main adjusting wheel from rotating, the stability of the clamping cover die is improved greatly after the angle of the clamping cover die is adjusted, and follow-up assembling use is facilitated.

The invention discloses a wardrobe position fixing device which comprises a position fixing part for being connected with a wall. The two edges of the side, away from a position fixing head, of the position fixing part are symmetrically provided with two inserting parts. Main rods are matched with the inserting parts. Second screw thread position fixing parts are matched between the main rods and the inserting parts. A bent pipe is matched between the two main rods. First inserting parts are arranged at the two ends of the bent pipe and are inserted into the main rods. Third screw thread position fixing parts are matched between the main rods and the first inserting parts. A position fixing set is matched between the two main rods and comprises two wardrobe sleeves symmetrically arranged up and down. According to the device, the position fixing head is adopted for being matched with a joint head to complete position fixing and locking, decoration personnel can carry out later-stage assembling conveniently, the assembling speed is increased, by connecting the position fixing part with a position fixing groove in a matched manner, the first screw thread position fixing parts are connected with screw threads of screw thread grooves in a matched manner, the overall stability of the device is improved, two end points are adopted for fixing positions, position fixing is more reliable, and security is ensured.

The invention discloses a storage structure for rubber tires, which includes several positioning frames. The positioning frames include a first fixed plate and a second fixed plate in a square shape, and a rubber tire is formed between the first fixed plate and the second fixed plate. clamping space, the first fixed plate and the second fixed plate are respectively provided with weight-reducing via holes, the aperture of the weight-reducing via hole is smaller than the inner diameter of the rubber tire, and the hole of the first fixed plate weight-reducing via hole A number of fixing strips are evenly arranged along the circumference of the mouth, and each fixing strip extends toward the second fixing plate. The weight-reducing via hole on the second fixing plate is a stepped hole, and the outer diameter of the stepped hole is relatively large, so that the step The hole wall of the hole forms a positioning ladder, and the end of the fixing bar is provided with a wedge-shaped positioning clip, and the protrusion of the wedge-shaped clip is engaged with the positioning ladder to form the positioning of the rubber tire; several positioning frames are placed as several positioning frames layer, and the positioning frames of adjacent positioning frame layers are perpendicular to each other.

The invention relates to a welding fixture, in particular to an automatic clamping and welding fixture with a correction function suitable for exhaust fume collecting hoods of multiple specifications.The automatic clamping and welding fixture comprises a platform, wherein the platform is used for accommodating an exhaust fume collecting hood with a front folded edge, a left folded edge and a right folded edge. The automatic clamping and welding fixture is characterized in that the platform is composed of a main platen and a side platen, and a driving structure used for driving the side platento slide left and right is arranged at the bottom part of the main platen; a left rear pressing block, a left side pressing block and a front middle baffle plate are arranged on the main platen, theleft rear pressing block is driven by means of a left rear cylinder, the left side pressing block is used for making contact with the side surface of the left folded edge, and the front middle baffleplate is fixed to the front portion of the main platen and used for making contact with the middle portion of the front folded edge; a right rear pressing block and a right side pressing block are arranged on the side platen, the right rear pressing block is driven by means of a right rear cylinder, and the right side pressing block is driven by means of a right side cylinder; and an upper cylinder is arranged above the main platen, and a correction pressing block is fixed to a piston rod of the upper cylinder. The automatic clamping and welding fixture can be used for welding the exhaust fumecollecting hoods of different specifications, can further ensure the flatness of the front folded edge of the exhaust fume collecting hood after welding, and is beneficial to later assembly.

The invention relates to the field of toy mechanical equipment, in particular to an automatic tire drainage opening cutting machine. The automatic tire drainage opening cutting machine mainly comprises vibration conveying units, a stamping unit, a positioning unit and a discharging unit. The vibration conveying units are located on the two sides of a workbench and connected to positioning parts of the positioning unit through tracks. The stamping unit is located over the positioning unit. The discharging unit is located between the stamping unit and the positioning unit. Cutters are stamped to the positioning unit through a downward pressing air cylinder. A controller is arranged under the workbench. The automatic tire drainage opening cutting machine has the beneficial effects that the drainage opening cutting mechanism cuts tire drainage openings through the cutters of the stamping unit, and the cutters adsorb cut drainage opening waste materials to the discharging unit; and compared with traditional manual drainage opening cutting, not only is the product production efficiency improved by the design, but also the manufacturing cost and manpower are greatly reduced.

The invention discloses a self-locking rubber tire stacking structure, comprising several positioning frames, the positioning frame includes a first fixing plate and a second fixing plate, the end surface of the first fixing plate is provided with a first accommodating cavity, and the first accommodating A positioning plate is installed in the cavity, and the locking rod is fixed on the positioning plate. Several conical positioning ratchets are arranged on the circumferential surface of the locking rod. The locking rod passes through the first and second fixing plates and passes through the self-locking locking device. Cooperate with the positioning ratchet on the locking rod to axially position the locking rod. The second fixing plate is provided with a second accommodation cavity sunken toward the first fixing plate. The outer diameter of the second accommodation cavity is smaller than that of the rubber tire The inner diameter of the locking rod end and the self-locking locking device are integrally located in the second accommodating chamber, the self-locking locking device is fixed on the bottom wall of the second accommodating chamber, and the positioning plate is integrally located in the first accommodating chamber In the cavity; several positioning frames are placed into several positioning frame layers, and the positioning frames of adjacent positioning frame layers are perpendicular to each other.

The invention discloses a stacking structure for rubber tires, which comprises a plurality of positioning frames. The positioning frame includes a first fixing plate and a second fixing plate, and a clamping space for the rubber tire is formed between the first fixing plate and the second fixing plate. The end surface of the first fixing plate facing away from the second fixing plate is provided with a first accommodation cavity, a positioning plate is installed in the first accommodation cavity, and an axially extending connecting screw is fixed on the positioning plate, and the connecting screw The screw rod passes through the through holes provided on the first fixing plate and the second fixing plate, and is locked by a nut. The second fixing plate is provided with a second accommodating cavity recessed toward the first fixing plate, and the second accommodating cavity The outer diameter of the outer diameter is smaller than the inner diameter of the rubber tire, the end of the connecting screw and the nut are integrally located in the second accommodating chamber, and the entirety of the positioning plate is located in the first accommodating cavity; several positioning frames are placed as several positioning frame layers, adjacently positioned The positioning frames of the shelf layers are perpendicular to each other.