46results about How to "Avoid welding process" patented technology

The invention discloses a battery module with same-side electrode output, which comprises a plurality of square batteries arranged in sequence, and the positive electrodes and the negative electrodesof the batteries are positioned at the top and are respectively arranged at two sides of the central axis of the arrangement direction of the batteries. Along the arrangement direction of the batteries, the positive and negative electrodes of the first battery and the second battery are arranged on different sides, and then the positions of the positive and negative electrodes of every two batteries are changed. The positive electrode of the first battery is connected with the positive output electrode of the battery module, and the negative electrode of the second battery is connected with the negative output electrode of the battery module; the negative electrode of the first battery is connected to the positive electrode of the third battery, and the positive electrode of the second battery is connected to the negative electrode of the fourth battery, and so on. The bus connection mode of the series batteries in the battery module can reserve enough space for the monitoring circuitboard, and when the module package is formed, the low-voltage line connected with the monitoring circuit can be separated from the bus high-voltage wiring harness connected with the positive electrodeand the negative electrode of the battery module, so that the electromagnetic interference of the bus to the low-voltage line is greatly reduced.

The invention relates to the technical field of civil engineering, in particular to a foundation pit supporting structure and a construction method thereof. The structure comprises steel plate piles which are oppositely arranged, and supporting pieces fixed between the steel plate piles; and the supporting pieces are of a splicing structure and are adjustable in length. According to the foundationpit supporting structure, the supporting piece with the adjustable length is arranged so that the supporting piece can automatically control the axial force of the supporting piece, displacement control of the foundation pit supporting structure can be achieved according to the deformation of a foundation pit, and a relatively wide application range is achieved; and in addition, the supporting piece of the splicing structure can avoid the welding process in the construction process, so that the construction process is simple, and the material utilization rate is high.

The invention relates to a condenser and a heat radiation net for integrally formed fined aluminum alloy composite material seamless micropore fin. An air inlet nozzle, an air outlet nozzle, an air inlet, an air outlet, the channels of an upper cover plate and a lower cover plate and the seamless microspores of a heat radiation part are connected to a communicated microporous path; the heat radiation part is an integrally formed aluminum composite material flat tube aluminum profile part which is symmetrically at two sides and a plurality of radiating fins are uniformly distributed on the aluminum profile part; at least two communicated seamless microspores which are uniformly distributed are arranged at the upper and lower ends of the heat radiation part and are connected with the upper and lower cover plates using screws after being arranged side by side in the weldless mode; the gasket devices are adopted at the positions that various fittings are connected with each other and various fittings are connected by adopting the screws; the device is practically used in the air conditioning system which the carbon dioxide is used as the refrigerants for, thus effectively solving the problem that the condenser and the heat radiation net bearing the high-pressure microspores are hard to be produced; in addition, the invention has high sealing performance and strong compression resistance, thus providing an energy-saving and environment-friendly optimal design for the condenser and the heat radiation net for the future automobiles and commercial civil air conditioning system.

The invention relates to a circulating construction method of aluminum alloy templates. By means of the circulating construction method, the problems that in the prior art, the aluminum alloy circulating rate is low, and the circulating use effect is poor are mainly solved. Multiple aluminum template bodies and connecting parts are included. Each aluminum template body comprises an aluminum paneland a frame. Mounting holes are formed in the frames. Extending portions are formed in the peripheries of the aluminum panels by extending outwards. The connecting parts comprise matched locking bolts, locking nuts and supporting sleeves, and the supporting sleeves are arranged on the locking bolts in a sleeving manner. A supporting face is arranged on the outer surface of each supporting sleeve.Every two adjacent aluminum template bodies are locked and connected in a manner than the corresponding locking bolts penetrate through the mounting holes in the frames of the aluminum template bodies. The supporting sleeves are distributed on the adjacent extending portions, and the supporting faces abut against the extending portions. The circulating construction method of the aluminum alloy templates comprises the following steps of a, manual detection, b, ultrasonic detection, c, classified stacking, d, surface treatment, e, shaping correction, f, drawing design, g, non-standard size template design and h, pre-mounting.

The invention discloses a repulsive clamping static contact structure of low-voltage circuit breaker. The two ends of a locating shaft are fixed on a support, the middle of the locating shaft penetrates a static contact and pressure springs which are respectively arranged at the two sides of the static contact, the pressure spring is enveloped in the support and causes a connector row to compact the static contact, the free end of the static contact is arranged in a through slot on the bottom wall of the support, a tension spring is arranged in a first through slot of the support and corner approach thereof is fixed on a first boss in the first through slot, and the other corner approach of the tension spring penetrates the other through slot on the bottom wall of the support and is fixedly connected with the free end of the static contact. The static contact structure of the invention is modularized, clamping structure is adopted to realize electrical connection between static contact and inlet wire row, contact resistance is less, service life of static contact of circuit breaker can be prolonged, assembly is simple, and production cost is low.

The invention discloses a forced air and water supply integrated self-rescuing device for a mine, which comprises a box body (1), wherein an air supply pipe (5) and a water supply pipe (7) are arranged in the box body (1) and converged into an air-water combiner (10), an automatic extrusion valve (2) is arranged on the water supply pipe (7), a breathing mask (11) is provided with an air outlet and a water outlet and connected with the air-water combiner (10) through an air-water connecting hose, and a water supply hose is internally sleeved in the air supply hose to form an air-water connecting hose. The invention has the advantages of simple structure, convenience for operation, reliability and durability and is widely applicable to mine operation.

The process of making golf club head includes the following steps: 1. prefabricating one kernel with metal material possessing relatively low melting point; 2. prefabricating one inner sleeve for coating the kernel with metal material possessing relatively high melting point; 3. setting the kernel inside the inner sleeve to form one associated body; 4. die casting metal material with melting point not higher than that of the inner sleeve material and higher than that of the kernel material; 5. demolding to form one golf club head blank comprising one outer casing, one inner sleeve and one kernel; 6. drilling hole in the black and penetrating the outer casing and the inner sleeve; and 7. heating the blank for the kernel to melt and flow out to obtain the golf club head. The present invention also discloses the product of the process.

The invention discloses a manufacturing method for improving an integral golf club head, which includes the following steps: (1) precasting an internal sleeve, the outer contour of which is the same with the shape of an inner cavity of the golf club head, and at least one opening is arranged in the internal sleeve; (2) preparing granular filling materials for the internal sleeve and placing the filling materials into the inner cavity of the internal sleeve through the opening; (3) precasting a die-casting die of the club head; (4) fixing the entity of the internal sleeve in the die-casting die; (5) casting metal liquid, the casting melting point of which is not higher than the melting point of the metal material of the internal sleeve, into the die, and the die is cast and formed; (6) preparing a club head embryo which consists of a shell layer, an internal sleeve layer and filling materials after die de-molding; (7) drilling a bore hole which permeates the shell layer and the internal sleeve layer on the embryo club head; and (8) manufacturing the golf club head by arranging the opening of the bore hole downward to cause the filling materials to flow out automatically from the bore hole. The method also discloses a product made by adopting the method.

The invention relates to electronic information conversion, and provides an electronic adapter card. The electronic adapter card includes a bottom shell and an upper cover located on the bottom shell, the bottom shell and the upper cover form an accommodating cavity in an enclosed mode, the accommodating cavity has an insertion opening and a window, a first plastic part and a second plastic part are arranged in the accommodating cavity, the first plastic part is clamped on the bottom shell, a plurality of first connecting terminals capable of being in electrical contact with clamping pieces are arranged on the first plastic part, the second plastic part is arranged on the first plastic part in a partially overlapped manner, the first plastic part has a plurality of connecting terminals capable of being in electrical contact with the clamping pieces and a conducive part capable of performing information transmission with an external electronic component, and the conductive part and each second connecting terminal are electrically conducted. Also provided is electronic equipment that includes the abovementioned adapter card. In the adapter card provided by the invention, a golden finger function can be realized through cooperation of the first plastic part and the second plastic part, both the first plastic part and the second plastic part are moding parts, injection molding is adopted, and the electronic adapter card is convenient to manufacture, and is applicable to assembling of an automatic machine, and cost of single adapter cards can be effectively reduced during batch production.

The invention provides a filling method of damping layers of a wheel noise reduction block. A damping material is filled into gap layers of an interlayer structure of the wheel noise reduction block by using a vulcanizing and bonding manner to form damping layers; positioning blocks are used for positioning constraining layers of the interlayer structure during vulcanizing and bonding so as to prevent the constraining layers from deforming in the vulcanizing process; the positioning blocks are arranged at the edges of the interlayer structure and one part of each positioning block stretches into the gap layers to support and position the constraining layers during vulcanizing, so that the deformation of the interlayer structure in the vulcanizing process is avoided. According to the filling method, a vulcanization molding manner is adopted; the bonding strength between the damping layers and the interlayer structure is ensured; the uniformity degree and the beautiful degree of the damping layers are ensured; the positioning blocks are used for positioning and controlling the constraining layers of the interlayer structure during vulcanizing and filling; the problem of deformation of the constraining layers and mounting plates caused by high freedom degree of the ends in the vulcanizing process can be avoided, so that the non-uniform thickness of the damping layers can be avoided; the production quality and the size deviation of the wheel noise reduction block are ensured; and the effect of reducing vibration and noise can be improved.

The invention relates to the technical field of buzzers, and especially relates to a welding-free high-frequency high-sound-pressure buzzer and a production method. The outer side face of an upper shell is provided with a step part. The outer side face of the step part is provided with at least two upper inserts. The outer side face of a lower shell is provided with lower inserts which can be connected with the upper inserts by means of insertion. The upper and lower inserts are internally provided with upper and lower insertion holes which are communicated, and the upper and lower insertion holes are internally provided with plugs which can move in the upper and lower insertion holes. The lower side of each lower insert is provided with a plurality of slots, and elastic jaws are formed on the side face of each lower insert between the slots. The upper shell and the lower shell are connected by a plurality of buckle devices. Two surface mounting components are arranged oppositely on a circuit board, and each surface mounting component includes a pin and a welding part. A coil is provided with avoiding parts in positions corresponding to the surface mounting components. The performance of the welding-free high-frequency high-sound-pressure buzzer is improved, and the installation mode is simplified. Moreover, the production process is optimized, the production efficiency is improved, and the cost is saved.

The invention provides a welding-free cutting bit which relates to a mining tool, in particular to a cutting bit used in the excavating, driving and crushing of mines, roads and the like. The cutting bit comprises a cutting bit body and a hard alloy head fixed on the head of the cutting bit body, wherein the working part of the hard alloy head is a cone, and the angle of cone is 60-130 degrees. The cutting bit is characterized in that the mounting-pressing part of the hard alloy head is a cone, the angle of cone is 1.0-5.6 degrees; the mounting hole on the head of the cutting bit body is a tapered hole with the same shape of the mounting-pressing part of the hard alloy head, and all the surfaces of the mounting hole closely stick to all the surfaces of the mounting-pressing part of the hard alloy head. The invention has the advantage that the firm joint of the cutting bit body and the hard alloy head can be ensured, the impact resistance and twisting resistance of the cutting bit can be ensured in use and the traditional welding technology can be avoided so as to thoroughly eliminate various defects of primitive welding.

The invention discloses a finned tubular heat exchanger. The finned tubular heat exchanger comprises a heat exchange component, a first end cover and a second end cover, wherein the first end cover and the second end cover are correspondingly used for covering the two end parts of the heat exchange component; the heat exchange component comprises a heat exchange tube and a plurality of heat exchange plates; the heat exchange tube adopts a water path system which forms a cylindrical shape by integrated molding and bending; all heat exchange plates are arranged on the water path system in a spaced and sleeving manner along a center shaft of the water path system; the water path system comprises a plurality of tube units which are connected in sequence; each tube unit comprises a first straight tube section, a first bent tube section, a second straight tube section and a second bent tube section which are connected in sequence; each first straight tube section is connected to the second bent tube section of the adjacent tube unit; all first straight tube sections form an outer layer heat exchange structure of the water path system; and all second straight tube sections form an inner layer heat exchange structure of the water path system. The finned tubular heat exchanger disclosed by the invention has the beneficial effects of preventing water leakage of the heat exchange tube andalso realizing uniform heating and high thermal efficiency.

The invention provides a cabin section and a processing method thereof, which relate to the technical field of mechanical processing. The cabin section manufactured by the processing method has the characteristics of low cost and high quality. A processing method for a cabin section, the method comprising: extruding or forging a round ingot to be processed to form a rough tube, the material of the round ingot to be processed is a lightweight structural material; performing at least one pretreatment on the rough tube Treatment; the pretreatment includes: first heat treatment, drawing and second heat treatment; machining the blank tube after at least one pretreatment to form a cabin section. The invention is applicable to the manufacture of cabin sections.

The invention relates to an ultra-wideband planar helical antenna device based on an integrated feed structure. The ultra-wideband planar helical antenna device is small in size and reliable in work,and is characterized in that the device is provided with an antenna radiator and a feed balun mechanism which are located on the same single-layer printed circuit substrate; the antenna radiator adopts an ultra-wideband Archimedes spiral antenna radiator, and the feed balun mechanism adopts a conversion balun from a coplanar waveguide to a coplanar strip line, a feed line in the feed balun mechanism being directly connected with the antenna radiator through a metal via hole; the feed balun mechanism is provided with a coplanar waveguide with gradually changed characteristic impedance, a circular slot resonant cavity, a metal jumper wire and a strip line, wherein the coplanar waveguide is an unbalanced port, the strip line is a balanced port, and the part between the coplanar waveguide andthe strip line realizes conversion from an unbalanced signal to a balanced signal; and the shape and the size of the metal floor and the circular slot resonant cavity form an impedance deploying and tuning network, so that impedance matching of the Archimedes spiral antenna radiator and the integrated balun is realized.

The invention relates to a rear jack reinforcing structure for a vehicle body. The reinforcing structure comprises a side wall outer plate (2), a threshold rear connecting plate (3) and a threshold rear segment (4). A jack reinforcing plate (5) is arranged between the threshold rear segment (4) and the threshold rear connecting plate (3); the jack reinforcing plate (5) is of an L-shaped structure; two locating holes (51) are formed in one side of the L-shaped structure; a concave type surface (52) is formed between the two locating holes (51); two double-layer welding spots are arranged on the concave type surface (52), to connect the threshold rear connecting plate (3) with the jack reinforcing plate (5), and four welding spots are arranged on the other side of the L-shaped structure, to connect the side wall outer plate (2), the jack reinforcing plate (5) and the threshold rear segment (4); a U-shaped notch (31) is formed in the welding face, corresponding to the jack reinforcing plate (5), of the threshold rear connecting plate (3); the welding edge, at a vehicle body jack supporting point (1), of the side wall outer plate (2) is shortened upwards than the welding edge of other positions in the height direction.

The invention discloses a mass transfer enhancing type modular adsorption bed. The mass transfer enhancing type modular adsorption bed comprises a plurality of coil pipe units which are sequentially and horizontally arranged in a stacked mode with one above another. Fin maintaining strips of every two adjacent coil pipe units are fixedly connected through bolts. Side plates at the four corners of the fin maintaining strips of all the coil pipe units are fixedly connected with fixed supporting rods through bolts, and the fixed supporting rods are arranged in the vertical direction. Inlets of heat exchange pipes of all the coil pipe units are sequentially connected with a fluid inlet straight pipe, a right-angled elbow pipe and a fluid distribution header pipe, and outlets of the heat exchange pipes of all the coil pipe units are sequentially connected with a fluid outlet straight pipe, a right-angled elbow pipe and a liquid converging heater pipe. Upper fixing channel steel is fixed to side porous plates and the fin maintaining strips of the coil pipe unit at the top, and lower fixing channel steel is fixed to side porous plates and the fin maintaining strips of the coil pipe unit at the bottom, and the lower fixing channel steel is fixedly supported on two adsorption bed bases. According to the mass transfer enhancing type modular adsorption bed, the coil pipe units which are independently machined can be dismounted or additionally mounted easily and conveniently, and modular production is achieved.

The invention relates to a stator assembly and a motor using the same. The stator assembly comprises a stator iron core, an insulating framework, a winding and a binding post, the insulating framework comprises a framework main body and a framework protruding part; the framework protruding part is movably connected with the framework main body; the winding is suitable for being wound on the framework main body; and the binding post is suitable for being fixedly kept on the framework protruding part. According to the binding post, a welding process is canceled, so that the structure of the whole stator assembly is simplified, and possible undesirable conditions in the welding process are avoided.

The invention relates to a cable connector assembly (100). The cable connector assembly comprises an insulating body (1), a plurality of conductive terminals (2), a printed circuit board (3), a metallic shell (7) and a cable (5), wherein the conductive terminals (2) are accommodated in the insulating body, the printed circuit board (3) is connected with the conductive terminals, the metallic shell (7) wraps the insulating body, and the cable (5) is welded to the printed circuit board; the metallic shell is provided with elastic sheets (7123), the printed circuit board is provided with first conductive sheets (31) which are located on the side surface of the printed circuit board, and the elastic sheets are abutted against the first conductive sheets. The elastic sheets of the metallic shell are formed through directly stamping the metallic shell, so that the manufacturing cost is reduced; the elastic sheets are directly abutted against the first conductive sheets, so that the grounding effect is very good, and a welding process is avoided; meanwhile, heat is transferred to the metallic shell by the elastic sheets, so that the cable connector assembly has good high-frequency performance and heat dissipating effects.

The invention relates to a steel-bamboo composite elevator structure which comprises a main body structure and an enclosure structure, and the main body structure is formed by a top steel-bamboo composite truss unit, a middle steel-bamboo composite truss unit and a bottom steel-bamboo composite truss unit in an up-down spliced mode, a system with trusses on the three faces and a frame on one faceis assembled, and the face with the frame faces the use side of a building. The enclosure structure is formed by a base for mounting the main body structure and an ALC lightweight concrete partition wall in an up-down spliced mode. The main body structure of an elevator is combined in a unit dividing mode, is provided with miniaturized components, is easy to install, disassemble and transport, andis connected through bolts overall, and a welding process is avoided. The steel-bamboo composite elevator structure is borne by a bamboo web pole, a bamboo crossbeam and a steel vertical column in acombined mode, the advantages of two materials are utilized, bamboo resources are fully used, the concept of environment-friendly building development in China is followed, and the enclosure structurehas the characteristics of light weight, high strength, heat preservation, sound insulation and good durability.

The invention relates to a stator assembly and a motor using the stator assembly, including: a stator core, an insulating frame, a winding and a terminal; an insulating frame, including a frame body and a frame protrusion; and the frame protrusion and the frame body are The flexible connection; the winding is adapted to be wound on the bobbin body; and the terminal is adapted to be fixedly held on the bobbin protrusion. The terminal post of the present invention cancels the welding process, thereby simplifying the structure of the overall stator assembly, and avoiding the occurrence of possible adverse conditions in the welding process.

The invention discloses a bonding packaging structure of a diode and a process thereof. The bonding packaging structure comprises a chip, a molybdenum sheet and a bonding wire, titanium-nickel-silver metallization is carried out on the chip, nickel-gold is electroplated on one side of the molybdenum sheet, nickel is electroplated on the other side of the molybdenum sheet, the nickel-gold electroplated side of the molybdenum sheet is welded on the chip, and the nickel-plated side of the molybdenum sheet is ultrasonically bonded with the bonding wire. A metal layer on the surface of the chip is changed, and a molybdenum sheet is added as a transition sheet, so that the problems of low chip bonding reliability, mismatched thermal expansion coefficients, non-uniform current and the like in the prior art are solved, and the long-term reliability of a product is improved.

The invention discloses a mass transfer enhancing type modular adsorption bed. The mass transfer enhancing type modular adsorption bed comprises a plurality of coil pipe units which are sequentially and horizontally arranged in a stacked mode with one above another. Fin maintaining strips of every two adjacent coil pipe units are fixedly connected through bolts. Side plates at the four corners of the fin maintaining strips of all the coil pipe units are fixedly connected with fixed supporting rods through bolts, and the fixed supporting rods are arranged in the vertical direction. Inlets of heat exchange pipes of all the coil pipe units are sequentially connected with a fluid inlet straight pipe, a right-angled elbow pipe and a fluid distribution header pipe, and outlets of the heat exchange pipes of all the coil pipe units are sequentially connected with a fluid outlet straight pipe, a right-angled elbow pipe and a liquid converging heater pipe. Upper fixing channel steel is fixed to side porous plates and the fin maintaining strips of the coil pipe unit at the top, and lower fixing channel steel is fixed to side porous plates and the fin maintaining strips of the coil pipe unit at the bottom, and the lower fixing channel steel is fixedly supported on two adsorption bed bases. According to the mass transfer enhancing type modular adsorption bed, the coil pipe units which are independently machined can be dismounted or additionally mounted easily and conveniently, and modular production is achieved.

The present invention involves electronic information conversion, providing an electronic conversion card, including the bottom shell and the upper cover on the bottom shell.There are first plastic parts and second plastic parts. The first plastic card card is located on the bottom shell. It has several first connecting terminals that can be in contact with card parts.On a plastic part, the first plastic parts have several second -connected terminals that can contact the card parts and the conductive department that can transmit information transmission with the peripheral electronic component.Provide an electronic device, including the above -mentioned transit card.In the transfer card of the present invention, the combination of the first plastic parts and the second plastic parts can achieve golden finger functions. Both of them are Moding parts, using injection molding, not only convenient production, but also suitable for automatic engine assembly. It can effectively reduce batch batch batch.The cost of a single transfer during production.

The invention relates to the technical field of cages of cultivation equipment and discloses a novel cross bar fixing support of a hanging net. The cross bar fixing support comprises longitudinal rodsand cross bars, wherein the longitudinal rods and the cross bars are connected; one end of each cross bar is fixed on the longitudinal rods through fixing bolts; a sleeve is arranged at one end of each cross bar, and the fixing bolts are arranged in the respective sleeve; and the cross bars and the longitudinal rods are fixed through the fixing bolts. According to the novel cross bar fixing support of a hanging net, bolt holes are formed inside the longitudinal rods, a forward groove and a reverse groove are formed in one end of each cross bar by a stamping mode, and nuts are placed in the gaps between the forward grooves and the reverse grooves; and the bolts sequentially run through the bolt holes, the forward grooves, the nuts and the reverse grooves, so that the cross bars and the longitudinal rods can be fixed. By the fixing mode, occurrence of the soldering process can be completely avoided, and the service life of the fixing support can be prolonged.