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98results about How to "Easy to assemble and weld" patented technology

Low-density and high-toughness automobile-used steel board and preparation process

The invention belongs to the field of metal materials, and relates to a novel high strength steel board low in density, high in strength and good in anti-corrosion performance, in particular to component design and a preparation method of the novel automobile-used steel. The automobile-used steel board is characterized by comprising the following specific chemical compositions by mass percentage: 0.60-0.70 percent of C, 0.30-0.40 percent of Si, 10.0-15.0 percent of Mn, 5.0-10.0 percent of Al, less than 0.005 percent of P, less than 0.003 percent of S and Fe and unavoidable impurities in balancing amount. The preparation process comprises the following steps: performing smelting according to the chemical compositions, and forging casting blank material into a steel blank; heating the steel blank to 1,130-1,170 DEG C, keeping the temperature for 2 hours, and performing multi-pass hot-rolling deformation, wherein the rolling starting temperature ranges from 1,030-1,070 DEG C, the rolling stopping temperature ranges from 850-900 DEG C, the accumulated deformation amount ranges from 80 percent to 85 percent, and the rolling temperature is from 200 DEG C to 250 DEG C; after hot rolling, further performing solution treatment of the steel board, keeping the temperature at 1,000-1,050 DEG C for 0.5-1 hour, and performing water quenching treatment; taking a dual-phase organization combining austenite and ferrite, and obtaining the lower density and high toughness automobile-used steel board.
Owner:UNIV OF SCI & TECH BEIJING

Stainless steel component for heating radiator and manufacturing method thereof

The invention relates to an auxiliary pressure plate for hot water radiators, in particular to a thin-wall radiator used for indoor heating and employing hot water or steam as a heat source, and belongs to indoor heaters. Two rolled drawn transverse tubes and more than two vertical tubes are welded into a rectangle or square; two ends of each vertical tube are punched into concave arc shapes; each rolled drawn transverse tube is evenly provided with concave arc shapes and drawn turnup steps in the lengthwise direction by punching; the concave arc shapes and the drawn turnup steps of the rolled drawn transverse tubes fit the concave arc shapes of the two ends of the vertical tubes. Aiming to the defects that the copper-aluminum or aluminum-plastic radiators are high in manufacturing cost and that the steel-aluminum low-carbon steel radiators easily leak due to corrosion, the radiator is in the unique stainless steel ultra-thin design and is uniquely welded through a fixture; arc U-shaped openings are ingeniously used in welding, edges are aligned and tightly kneaded so that service life is ensued, work efficiency is improved, costs are saved, and the radiator is attractive in price and quality.
Owner:ZAOZHUANG FUYUAN ENVIRONMENTAL PROTECTION & ENERGY SAVING MACHINERY MFG CO LTD

Advanced integrated network cabinet welding tool platform capable of disassembling and assembling angle iron easily

The invention provides an advanced integrated network cabinet welding tool platform capable of disassembling and assembling angle iron easily. Through the welding tool platform, a wall-mounted bracket or a box base embedded part can be welded and assembled more conveniently and quickly, and the size precision of the wall-mounted bracket or the box base embedded part is improved. The welding tool platform comprises a welding platform. The welding platform comprises an upper platform. Threaded holes formed in an array mode are distributed in the upper platform, and the distances between the adjacent threaded holes of each group are equal. The welding platform further comprises a plurality of positioning bolts, supporting blocks and clamps. The positioning bolts comprise the corner positioning bolt and the side edge positioning bolt. The supporting blocks comprise the side supporting blocks and the welding supporting blocks. The welding supporting blocks are used for inner side positioning of the angle iron and perpendicular positioning of round steel of the base embedded part. The side supporting blocks are used for inner side positioning of angle iron, in the non-round-steel position, of the base embedded part. The clamps comprise the downward pressing type clamp and the forward jacking type clamp. The positioning bolts are used for outer side positioning abutting grids of angle iron of the wall-mounted bracket.
Owner:JIANGSU HENGTONG PHOTOELECTRIC

Four-arm helical antenna of novel feed structure

The invention discloses a four-arm helical antenna of a novel feed structure, which comprises a ceramic pillar, an upper printed circuit board (PCB), a lower PCB and a PCB printed connection board. The axis of the ceramic pillar is provided with a through hole. The lower part of the outer side surface of the ceramic pillar is provided with BALUN lines along the circumferential direction. Four metal helical arms are wound onto the outer side surface of the ceramic pillar at intervals. The upper surface and the lower surface of the upper PCB are respectively printed with a fan-shaped upper conductive layer and a fan-shaped lower conductive layer. The metal adjustment regions of the first and second metal helical arms of the four metal helical arms are electrically connected with the fan-shaped upper conductive layer through the welding process. The third and fourth metal helical arms of the four metal helical arms are coupled to the fan-shaped lower conductive layer. The front side surface of the PCB printed connection board is provided with a grounding metal region and an input end region at the upper part of the PCB printed connection board. The fan-shaped lower conductive layer is electrically connected with the grounding metal region of the PCB printed connection board. According to the invention, the return loss is smaller than -25 dB, and the vertex gain is greater than -2 dB. Therefore, the overall size of an antenna is effectively reduced, and the antenna is good in circularly-polarized performance.
Owner:SEMITEL ELECTRONICS

Piezoelectric energy collector

The invention relates to a piezoelectric energy collector, which is characterized in that two flexible circuit boards are adopted to clamp piezoelectric ceramic pieces so as to form a piezoelectric unit. The piezoelectric energy collector adopts the flexible circuit board to serve as a substrate of the piezoelectric unit, thereby being high in flexibility, having good conductivity and being convenient for installation and welding. The flexible circuit board can be freely bent, wound and folded, can also stretch and move at will and has the characteristics of light weight and thin thickness, thereby being capable of greatly reducing the size and the weight of the whole piezoelectric energy collector. The flexible circuit board is flexible and high in sensitivity for vibration and can perceive the shake as long as the shake exists, thereby significantly improving the sensitivity of the piezoelectric energy collector for vibration. The piezoelectric unit is provided with a plurality of piezoelectric ceramic pieces and forms a honeycomb structure, so that the piezoelectric energy collector has a plurality of resonant frequency points, can sense the vibration energy of different frequencies in the environment, is wide in bandwidth and facilitates to improving the output voltage of the whole piezoelectric energy collector.
Owner:SYSU CMU SHUNDE INT JOINT RES INST +1

High-power power electronic capacitor for elastic connection among core sets and copper bars

The invention relates to a high-power power electronic capacitor for elastic connection among core sets and copper bars. The high-power power electronic capacitor comprises a cover plate assembly, an outer shell and the core sets. The core sets are fixed in the outer shell, leading-out copper strips are arranged on the two metal sprayed faces of each core set respectively, and bent leading-out electrodes are arranged at the upper ends of the leading-out copper strips and used for being electrically connected with leading-out terminals of the cover plate assembly through welding. Elastic conducting plates are arranged on the leading-out copper strips and extend to all capacitor core metal sprayed faces of the core sets, and the tail end of each elastic conducting plate is electrically connected with the corresponding capacitor core metal sprayed face through the welding. The core sets are connected with the leading-out copper strips in an elastic mode. The force, adhering to the elastic conducting plates, of welding points is strengthened. The situation that the leading-out copper strips have sufficient properties of current passing can be guaranteed, and in addition, the situation that the displacement of the core sets causes the welding points to be strained can be eliminated, so that the welding points are not prone to loosening and disengaging.
Owner:ANHUI TONGFENG ELECTRONICS

Suspension type train track beam, manufacturing method thereof and technical partition plates for track beam

The invention discloses a suspension type train track beam, a manufacturing method thereof and technical partition plates for the track beam. The track beam is composed of an upper cover plate, a lower cover plate, webs and rib plates. Limiting stop dogs are arranged between the bottom of the lower cover plate and a platform, and the camber curve of the track beam is ensured by the height of the limiting stop dogs. The technical partition plates are arranged in the length direction of the lower cover plate. A first adjusting screw is arranged on one side of each technical partition plate, and a second adjusting screw is arranged on the top of each technical partition plate. The webs are installed on the two sides of the technical partition plates. The bottom edges of the webs are fixedly welded to the lower cover plate. The upper cover plate is fixedly welded to the tops of the webs. The rib plates are welded outside the webs and the upper cover plate. When the upper cover plate, the lower cover plate and the webs perform discharging, dimensional allowance is reserved in the length direction, the track beam is marked in the length direction after welding so that the allowance can be cut off, and the length dimension of the track beam is ensured; and a tank opening fixing device is arranged, the track beam forms a closed structure in the assembly welding and transportation processes, deformation of a non-closed tank type track beam is effectively controlled, and the dimension precision of the track beam is ensured.
Owner:CHINA RAILWAY BAOJI BRIDGE GRP

A kind of low-density, high-strength and toughness automobile steel plate and its preparation process

The invention belongs to the field of metal materials, and relates to a novel high strength steel board low in density, high in strength and good in anti-corrosion performance, in particular to component design and a preparation method of the novel automobile-used steel. The automobile-used steel board is characterized by comprising the following specific chemical compositions by mass percentage: 0.60-0.70 percent of C, 0.30-0.40 percent of Si, 10.0-15.0 percent of Mn, 5.0-10.0 percent of Al, less than 0.005 percent of P, less than 0.003 percent of S and Fe and unavoidable impurities in balancing amount. The preparation process comprises the following steps: performing smelting according to the chemical compositions, and forging casting blank material into a steel blank; heating the steel blank to 1,130-1,170 DEG C, keeping the temperature for 2 hours, and performing multi-pass hot-rolling deformation, wherein the rolling starting temperature ranges from 1,030-1,070 DEG C, the rolling stopping temperature ranges from 850-900 DEG C, the accumulated deformation amount ranges from 80 percent to 85 percent, and the rolling temperature is from 200 DEG C to 250 DEG C; after hot rolling, further performing solution treatment of the steel board, keeping the temperature at 1,000-1,050 DEG C for 0.5-1 hour, and performing water quenching treatment; taking a dual-phase organization combining austenite and ferrite, and obtaining the lower density and high toughness automobile-used steel board.
Owner:UNIV OF SCI & TECH BEIJING

Large-current planar transformer assembling equipment and assembling method

The invention provides a large-current planar transformer assembling device and method, and relates to the technical field of transformer assembly.The assembling device comprises a four-station rotary table, a coil clamp, a coil pin clamp and an overall alignment clamp, and a conveying belt for outputting transformer finished products is arranged on one side of the four-station rotary table; the coil clamps, the coil pin clamps, the overall alignment clamps and the conveying belt are clockwise arranged at equal intervals with the four-station rotating disc as the circle center, and clamping structures with multiple limiting functions are arranged in the coil pin clamps, so that coil pins can be conveniently connected. Corresponding clamp devices are adopted in the assembling processes of the composite coil body, the composite coil leading-out ends and the transformer body, the assembling difficulty can be reduced, the assembling efficiency can be improved, the assembling yield and consistency can be improved, clamping structures in the coil pin clamps provide pressing and limiting for the top and the two sides of a composition, and the assembling efficiency can be improved. The pins can be conveniently welded and assembled through 90-degree rotation limiting, and the multiple limiting structures enable the pins to be accurately and rapidly assembled.
Owner:无锡兰迪电子有限公司

Connecting structure for underframe edge beam and side wall of straddle-type monorail vehicle body

PendingCN112061162AImprove carrying capacityMeet the design requirements for hoistingMonorailsUnderframesLap jointWeld seam
Disclosed is a connecting structure for an underframe edge beam and a side wall of a straddle-type monorail vehicle body. The connecting structure for the underframe edge beam and the side wall of thestraddle-type monorail vehicle body is capable of improving the structural strength of an underframe structure, simplifying the manufacturing process, and greatly reducing the arc welding quantity. The whole structure is formed by combining and welding hollow double-wall large aluminum alloy extrusion profiles, and the structure is designed to be lightweight. The longitudinal full-length arrangement of an underframe edge beam profile ensures that the strength and rigidity of the vehicle body satisfy the requirements under the action of longitudinal, vertical, torsional and other loads. An insertion connector is designed at the connecting position of the underframe edge beam profile and the side wall so as to simplify the connecting form of the side wall and an underframe, improve the assembly precision of the side wall and the underframe, reduce the assembly difficulty, reduce the amount of welding seams at the connecting position of the side wall and the underframe, and improve the overall quality and precision. A lap joint connector is designed at the position where the underframe edge beam profile is connected to an aluminum bottom plate in the horizontal direction, and the structure is convenient to be assembled and welded to the aluminum bottom plate. The overall width of the underframe aluminum structure can be adjusted during underframe final assembly, and the requirement for manufacturing precision is satisfied.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Side-wall structure of railway vehicle

The invention discloses a side-wall structure of a railway vehicle. The side-wall structure comprises a side-wall skeleton, wherein the side-wall skeleton is used for being fixed on a bottom-frame boundary beam, and comprises a plurality of side-wall vertical columns, a plurality of intermediate longitudinal beams and a side-wall upper-chord beam; a side-wall fixing skin is respectively arranged between the vertical column at the front end part of the side wall and a wall-partitioning vertical column of a driver cab and between the vertical column at the rear end part of the side wall and a vertical column of the rear-end wall; and detachable side-wall movable skins are arranged in the area enclosed by the vertical column at the front end part of the side wall, the vertical column at the rear end part of the side wall, the side-wall upper-chord beam and the bottom-frame boundary beam. The side-wall structure disclosed by the invention has the advantages that the side-wall skeleton is assembled and welded on the bottom-frame boundary beam, so that the welding can be carried out on welding seams between the side-wall vertical columns and the bottom-frame boundary beam outside a vehicle body. In addition, great convenience is brought for installation, overhauling and maintenance of equipment in a machine room.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD

High-speed railcar ring-structure hydraulic damper piston rod assembling welding fixture

The invention relates to a high-speed railcar ring-structure hydraulic damper piston rod assembling welding fixture. The fixture comprises a large-bore finger air cylinder, a V-shaped positioning block, a single-axis servo positioner, a chuck, a fixture seat and a fixture installing seat, wherein the chuck and the fixture installing seat are arranged on the single-axis servo positioner so that orientation change of the chuck and the fixture installing seat can be achieved; the chuck is provided with gripper jaw so that a piston rod can be fixed; the fixture seat and the fixture installing seatare slidably connected so that the position of the fixture seat can be adjusted to adapt to the length of the piston rod; the fixture seat is provided with the large-bore finger air cylinder, the large-bore finger air cylinder is connected with the V-shaped positioning block, and the V-shaped positioning block is used for positioning a lifting ring; and after positioning of the piston rod and thelifting ring are completed, the single-axis servo positioner rotates, and welding is conducted. According to the high-speed railcar ring-structure hydraulic damper piston rod assembling welding fixture, the problem that the piston rod and a connection ring are difficult to position is solved, assembling welding is convenient, and the yield is high.
Owner:ZHUHAI YECHENG RAIL TRANSPORTATION EQUIP TECH

Municipal traffic isolation guardrail manufacturing and assembling auxiliary tool

The invention relates to a municipal traffic isolation guardrail manufacturing and assembling auxiliary tool. The municipal traffic isolation guardrail manufacturing and assembling auxiliary tool comprises a bottom plate, an adjusting device, a clamping device and a positioning device. The adjusting device is installed on the bottom plate, and the clamping device and the positioning device are installed on the adjusting device. The municipal traffic isolation guardrail manufacturing and assembling auxiliary tool can solve the following problems existing when an existing traffic isolation guardrail is assembled and welded: firstly, when a traditional traffic isolation guardrail is assembled and welded, guardrail cross beams and guardrail vertical beams need to be assembled together by workers, one worker needs to hold connecting and welding positions, the other worker needs to conduct welding operation, and the welding and assembling mode is low in efficiency and wastes labor force; and secondly, when the existing traffic isolation guardrail is welded, due to the fact that manual positioning is unstable, the traffic isolation guardrail is dislocated in the welding process, and the welding quality of the traffic isolation guardrail is reduced.
Owner:CHUZHOU UNIV

Axle assembling and welding tool

The invention provides an axle assembling and welding tool. The axle assembling and welding tool comprises a top frame, adjusting rods, supporting pipes, adjusting screws, a rack, machine legs, collecting boxes, a control panel, adjusting handles and protective sleeves, wherein the top frame is transversely connected to the upper end between the adjusting rods through bolts; and the adjusting rods are longitudinally inserted into the upper sides of the insides of the supporting pipes and fixedly connected through the adjusting screws. According to the axle assembling and welding tool, through the arrangement of a supporting frame, connecting bases, U-shaped placing bases, adjusting screw rods, clamping bases and rotating hand wheels, automobile axles of different models can be placed and clamped conveniently, and assembling and welding operation can be conducted conveniently; the automobile axles are placed inside the U-shaped placing bases, and the rotating hand wheels are held by hands to rotate and adjust the adjusting screw rods to act in the U-shaped placing bases, so that the clamping bases clamp the automobile axles, the assembly welding operation is carried out, the assembly welding efficiency is ensured, and the use requirements are met.
Owner:山东东岳永盛车桥股份有限公司

Rotary assembly welding tool capable of improving welding quality of gear cases of locomotives and assembly welding method implemented by rotary assembly welding tool

The invention discloses a rotary assembly welding tool capable of improving the welding quality of gear cases of locomotives. The rotary assembly welding tool comprises a support frame, a rotator, at least two upper case body connecting plate compressing assemblies, at least two lower case body connecting plate compressing assemblies, upper collar ring compressing assemblies and lower collar ring compressing assemblies. The support frame comprises a first support and a second support, the rotator is arranged between the first support and the second support in a rotationally connected manner and comprises a rotary plate, an upper case module and a lower case module, and the shapes and the contour sizes of the upper case module and the lower case module are matched with the shapes and the contour sizes of upper case bodies of the gear cases and gear case inner cavities of the upper case bodies of the gear cases; the upper case body connecting plate compressing assemblies are used for compressing connecting plates of the upper case bodies of the gear cases on one side of the rotary plate, the lower case body connecting plate compressing assemblies are used for compressing connecting plates of lower case bodies of the gear cases on the other side of the rotary plate, the upper collar ring compressing assemblies are used for compressing collar rings of the gear cases on two sides of the upper case module, and the lower collar ring compressing assemblies are used for compressing the collar rings of the gear cases on two sides of the lower case module. The rotary assembly welding tool has the advantages that the welding quality and the production efficiency can be improved.
Owner:TIANYI IND HUNAN RAILWAY PROFESSIONAL TECH COLLEGE
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