93results about How to "Meet the requirements of consistent production" patented technology

The invention discloses a front and back clamping mechanism for welding a mounting bracket assembly of an automobile steering column. A head support (2) is arranged on the front end of an upper surface of a bottom plate (1), the top of the head support (2) is hinged to a front oscillating arm (3), a cross bar (3a) is integrally formed on the rear end of the front oscillating arm (3), front pressure blocks (5) are symmetrically arranged on the left end and the right end of the bottom of the cross bar (3a), and a left and right positioning block (6) is arranged below the cross bar (3a); a tail support (15) is arranged on the rear end of the upper surface of the bottom plate (1), the top of the tail support (15) is hinged to a rear oscillating arm (16), a rear pressure block (18) is arranged at the bottom of the front end of the rear oscillating arm (16), and a cushion block (19) is arranged below the rear pressure block (18). The welding of the mounting bracket assembly of the automobile steering column can be completed by adopting a set of clamp, on one hand, the positioning is reliable to meet the production consistency requirement; on the other hand, the procedures can be effectively reduced, the operation is simple and fast, and the welding efficiency can be greatly improved.

The invention discloses a clamp for welding an automobile steering support reinforcing support assembly. A head support (2) is arranged at the front end of an upper plate face of a base plate (1), a front swing arm (3) is hinged to the top of the head support (2), a front press block (5) is installed at the rear end of the front swing arm (3), a tail support (18) is arranged at the rear end of the upper plate face of the base plate (1), the top of the tail support (18) is hinged to a rear swing arm (19), and a rear press block (21) is arranged at the bottom of the front end of the rear swing arm (19). The base plate (1) is supported by a base frame (10), rectangular small platforms (11) are arranged at the four corners of the bottom of the base frame (10), and rollers (12) are installed below the small platforms (11). The clamp is ingenious in design, simple and compact in structure, reasonable in arrangement, easy to assemble and reliable in location. An upper reinforcing frame, a lower reinforcing frame and a cable support are fixed in the welding process through the clamp, welding quality is ensured, and requirements for consistent production are met.

The invention relates to a check tool for a handlebar of a curved beam motorcycle, wherein the middle of a bottom plate is fixed with a first positioning column and is provided with a first detection pin; supports are fixed on the left and right ends of the board surface of the bottom board, a first supporting board and a second positioning sleeve are arranged on the top of each supports, the board surface of the first supporting board is provided with a cam mechanism on the front end and a second positioning column on the back end, positioning pins are penetrated into the second positioning sleeves at the left and the right sides; second pillars are arranged between the first positioning column and the left support and between the first positioning column the right support, the top of each second pillar is fixed with a second supporting board, the second supporting board at the left side is provided with a second detection rod, a third supporting board and a second detection pin, and the second supporting board at the right side is provided with a second detection rod and a third detection pin. The invention can greatly improve the speed and the accuracy of quality detection when the handlebars are brought into motorcycle enterprises, ensures the conformation of the quality of the handlebar to requirements, effectively improves handlebar assembling speed and meets the requirement of consistent production.

The invention discloses a check tool for a front fender, which comprises a base, a limit pile, a pillar, a positioning plate, two front positioning columns and a rear positioning column. The limit pile is fixed at the front end of the base and is vertical to the base; the positioning plate is mounted at the rear end of the base through the pillar; the two front positioning columns are arranged at the front end of the upper plate surface of the positioning plate juxtaposedly; a rear positioning column is arranged at the rear part of the upper plate surface of the positioning plate; and the front positioning columns and the rear positioning column are parallel to the limit pile and are distributed in an isosceles triangle. The invention can greatly improve the quality detection speed and the accuracy of the front fender produced by motorcycle enterprises during the ex-factory and ensure that the quality of the front fender satisfies the requirements, thereby effectively improving the assembly speed of the front fender and satisfying the requirements of conformity production. Meanwhile, the installation center of the front fender is ensured and the deflection of the front fender is avoided, thereby the use performance and the decoration effect of the front fender are guaranteed.

The invention discloses a test method for positions of gearshift swing lever wavy surface ball grooves of automobile gear box. The test method comprises the following steps: 1) sleeving a positioning shaft with a shaft bush of the gearshift swing lever; 2) releasing an operating handle, the right end of a positioning pin abutting against a first ball groove of the wavy surface; 3) manipulating a first measuring block to move leftward, if a ball head can be clamped in a clamping groove in the left end of the first measuring block, then the position of the first ball groove of the gearshift swing lever wavy surface meets the requirement; 4) enabling the positioning pin loosen the push of the gearshift swing lever, and making a second ball groove of the gearshift swing lever wavy surface face the positioning pin; 5) the right end of the positioning pin abutting against the second ball groove of the wavy surface; 6) manipulating a second measuring block to move leftward, if the ball head can be clamped in a clamping groove in the left end of the first measuring block, then determining that the position of the second ball groove of the gearshift swing lever wavy surface meets the requirement. The test method can be used for testing the positions of two ball grooves of gearshift swing lever wavy surface; the test procedure is simple, the test result is accurate and reliable, and the test efficiency is high.

The invention relates to a motorcycle direction column check tool. A right angle shape support plate is arranged on the board at the left end of a bottom board, the vertical bottom section of the support plate is fixed with the bottom board, a first location pin is arranged at the horizontal board section of the support plate in penetrating way from up to down; the opposite sides of the front andrear parts of the board at the right end of the bottom board are provided with a first support, the right end face of each first support is fixed with a location column, and the top of the first support is provided with a 'right angle' shape location support; the middle part of the board at the rear end of the bottom board is provided with a location strip, the bottom of the location strip is fixed with the bottom board, the front end of the location strip inclines forward, and the front part of the location strip is provided with a second location pin in penetrating way from back to front; and the left and right sides of the second location pin are all provided with a second support, each second support is provided with a shaft sleeve, and the axes of the two shaft sleeves are collinear.The invention can greatly improve speed and accuracy of quality detection when direction columns are transported to motorcycle enterprise, the quality of the direction column is ensured to meet requirement, speed in direction column assembly is effectively improved, and requirement of consistent production is met.

The invention discloses a front-and-back compressing and positioning device used for welding an automobile steering support reinforcing stand assembly, a head supporting seat (2) is arranged at the front end of a bottom plate (1), the top of the head supporting seat (2) is articulated with a front swing arm (3), the rear end of the front swing arm (3) is equipped with a front pressing block (5), and an upper positioning pin (6) is arranged on the front pressing block (5) in a penetrated manner; a tail supporting seat (18) is arranged at the rear end of the bottom plate (1), the top of the tail supporting seat (18) is articulated with a rear swing arm (19), a rear pressing block (21) is arranged at the bottom of a front end of the rear swing arm (19), and a rear positioning pin (22) is arranged on the rear pressing block (21) in a penetrated manner. The device is ingenious in design and reasonable in arrangement, and has a simple and compact structure, on the one hand, the device positions accurately and reliably, can lead an up-and-down reinforcing frame and a thread stand to be fixed in the welding process through a fixture, guarantees the welding quality, and meets the requirement for consistency production; on the other hand, the device reduces the working procedure effectively, is simple and quick to operate, and greatly improves the welding efficiency.

The invention discloses a single-chain driven rear caterpillar track assembly. Free wheel axles are transversely arranged at the front end and the rear end of a longitudinal beam in a penetrating mode, a bearing chamber is arranged above the middle of the longitudinal beam, a front inclined supporting beam and a rear inclined supporting beam are symmetrically arranged between the bearing chamber and the longitudinal beam, and a front free wheel and a rear free wheel are mounted at the two end of each free wheel axle. A driving wheel is arranged on the rear side of a driving wheel support upper cross beam and is connected with the free wheels, tensioning wheels and supporting wheels through a rubber caterpillar band, a driven chain wheel is arranged on one side of the driving wheel, a driving wheel axle is sleeved with the driven chain wheel, and the driven chain wheel is connected with the driving chain wheel through a chain. The framework of the single-chain driven rear caterpillar track assembly can ensure position and size accuracy through mutually matched positioning structures among the parts, the structural strength and stability of the whole framework can be good, the welding precision is guaranteed, the reliability is good, the manufacturability of assembly manufacture is good, and the single-chain driven rear caterpillar track assembly has low-speed, heavy-load and smooth and steady characteristics and terrain adaptability.

The invention discloses a measuring tool for symmetry of a ball of a shift swing rod. A positioning shaft is disposed on a base plate. The upper portion of the positioning shaft is equipped with a positioning hole in a radial direction. A first supporting stand is disposed behind the positioning shaft. A lining is fixedly embedded to the first supporting stand. A positioning pin passes through the lining. The front end of the positioning pin can pass through the positioning hole. A second supporting stand is disposed on the right side of the positioning shaft. The upper portion of the second supporting stand is equipped with a through groove, the notch of the groove is sealed by a cover plate, and the cover plate is fixed to the second supporting stand through bolts. A measuring shaft penetrates the through groove. The measuring shaft is a square column and can move leftwards and rightwards. The left end of the measuring shaft is equipped with two measuring blocks front and back. The two measuring blocks are parallel and symmetrical to each other, and a detection opening is formed between the two measuring blocks. The measuring tool is ingenious in design, simple and compact in structure, is convenient to assemble, and is equipped with fewer components. Moreover, the measuring tool is easy, fast and labor-saving to operate, provides an accurate and reliable detection result, and is high in detection efficiency.

The invention discloses a pneumatic dual-air-cylinder type liner positioning mechanism of an automobile welding clamp. A piston rod of a first air cylinder is connected with the lower end of a guide column. A positioning pin is installed at the top end of the guide column. A second air cylinder is installed on a guide barrel and connected with one end of a pressing arm, and a pressing head is fixed to the bottom face of the other end of the pressing arm. A big-end-up two-section type stepped hole is formed in the center of the positioning pin, and a long countersunk bolt is arranged in the stepped hole in a penetrating manner. Mounting holes are formed in the four corners of a positioning ring, and a convex block is arranged between every two adjacent mounting holes in the circumferential direction. A connector is arranged between the guide column and the piston rod of the first air cylinder. A boss at the head of the connector is clamped into a T-shaped through slot in the lower end of the guide column. The lower end of the connector is in threaded connection with the piston rod of the first air cylinder. A connection plate is arranged between the guide barrel and the second air cylinder and is formed by stamping a steel plate. The connection plate is provided with a first plate body and a second plate body, and an obtuse angle is formed between the first plate body and the second plate body. The pneumatic dual-air-cylinder type liner positioning mechanism of the automobile welding clamp is convenient to control and flexible and reliable in running. Moreover, liner pipes can be positioned accurately and stably.

The invention discloses a welding fork for a stand pipe of a motorcycle. A bracket is arranged on a first positioning plate; a suspension section is arranged at the top of the bracket; a first positioning through slot is arranged at the top of the suspension section; a positioning block and a stand plate are fixed on a second positioning plate; a second positioning through slot is arranged on thetop surface of the positioning block; the second positioning through slot is arranged right below the first positioning through slot; a third positioning plate is fixed at the top of the stand plate;a quick chuck is arranged at the upper end of the third positioning plate; a connecting rod of the quick chuck is connected with the upper end of a guide post; a first positioning seat is arranged atthe lower end of the guide post; a second positioning seat is arranged right below the first positioning seat; and the second positioning seat is fixed on the second positioning plate. by the weldingfork, a direction lock block, a direction stop block and the stand post can be simultaneously positioned; on one hand, the accuracy of the positions of a scutcheon hole, the direction lock block and the direction stop block can be guaranteed; and on the other hand, the working procedures are effectively reduced, the operation is simple and convenient, and the welding efficiency is greatly enhanced.

The invention discloses a liner tube clamping mechanism for a rear axle assembly welding tool. A piston rod of a first air cylinder is connected with the lower end of a guide pillar. A locating pin is installed at the top end of the guide pillar. A second air cylinder is arranged on a guide cylinder. A piston rod of the second air cylinder is connected with one end of a pressing arm. A pressing head is fixed to the bottom face of the other end of the pressing arm. A big-end-up two-section type step hole is formed in the center of the locating pin. A long countersunk screw is arranged in the step hole in a penetrating manner. A connector is arranged between the guide pillar and the piston rod of the first air cylinder. A boss of the head of the connector is clamped in a T-shaped through groove in the lower end of the guide pillar. The lower end of the connector is in threaded connection with the piston rod of the first air cylinder. A connecting plate is arranged between the guide cylinder and the second air cylinder. The connecting plate is formed by stamping a steel plate and is provided with a first plate body and a second plate body, wherein an obtuse angle is formed between the first plate body and the second plate body. According to the liner tube clamping mechanism, control is convenient, operation is flexible and reliable, accuracy and stability of liner tube locating can be achieved, the welding quality is guaranteed, and the requirement for consistent production can be met.

The invention discloses a detection device for a breather pipe of a breather valve of an oil tank. An annular boss (1a) is arranged in the middle of a positioning column (1); a limiting arm (3) is fixed on the circumferential surface of the annular boss (1a) and is perpendicular to the circumferential surface of the annular boss (1a); a limiting hole (4) is formed at a position of the limiting arm (3) close to the annular boss (1a); a limiting block (2) is arranged below the annular boss (1a) and is tightly pressed against the cylindrical surface of the positioning column (1) and the bottom surface of the annular boss (1a); and an angle of 120 degrees is formed between the limiting block (2) and the limiting arm (3) on the circumference. By the device, the quality detection speed and accuracy of a motorcycle enterprise can be greatly improved when the oil tank is transferred into a factory, the position of the breather pipe of the breather valve on the oil tank meets the requirement, the defect caused by positional deviation of the breather pipe of the breather valve is effectively overcome, and the requirement for production compliance is met.