26results about How to "Precise positioning and fixing" patented technology

The utility model discloses a positioning device for impeller processing, which comprises a tool base, a central positioning groove is arranged on the upper surface of the tool base, a group of corresponding arc-shaped grooves are arranged on two side groove walls of the central positioning groove, a clamp is arranged in each groove, a screw is arranged in the center of the central positioning groove, and a screw is arranged in the screw. The screw is provided with a locking piece, a plurality of elastic stand columns are further arranged on the upper surface of the tool base, and the elastic stand columns are arranged in a circle along the periphery of the center positioning groove. When the impeller is accurately positioned and fixed, the impeller can be prevented from being subjected to circumferential force in the machining process, and workpiece rotation or displacement is avoided, so that the machining precision of the impeller is guaranteed.

The invention discloses a radio frequency filter performance detection device, which relates to the technical field of radio frequency filter detection and comprises a main body mechanism, a rotating mechanism, a positioning mechanism, a detection mechanism and a moving mechanism, under the mutual cooperation of the visual detection equipment, the first electric clamp, the X-ray detection equipment and the plug connection equipment, the appearance, the internal structure, the performance and other aspects of the filter can be detected, the product quality and reliability are improved, the stability and the safety of the system are ensured, and after the detection is finished, the detection efficiency is improved. Through cooperation of the electric clamp and the electric telescopic rod, unqualified filters can be automatically recognized and removed, manual intervention is not needed, the speed of the production process is increased, human errors are also avoided, marks can be engraved on the unqualified filters through the laser engraving head, maintenance personnel can conveniently and rapidly locate the problems, and the production efficiency is improved. And the maintenance effect and time of the filter are improved.

The invention discloses modular existing beam bending-resistant reinforcing equipment in the technical field of existing beams, which comprises a walking positioning vehicle, a telescopic support is fixedly mounted on the walking positioning vehicle, a fixing plate is fixedly connected to the support, and a reinforcing assembly capable of reinforcing the bending resistance of a beam is arranged on the fixing plate. A certain pouring gap can be reserved between the reinforcing assembly and the beam body, the gap is filled with grouting glue, and the steel plate and the beam bottom cooperatively bear tension through bonding and force transmission. Through cooperation of a limiting block and a limiting hole, precise positioning and fixing of the first sticky steel can be rapidly achieved, the operation efficiency is greatly improved, and meanwhile the situation that the reinforcing effect is affected by deviation of the first sticky steel is avoided; the second sticky steel is designed to be opened and closed in a rotatable mode and is matched with the driving assembly to achieve automatic opening, closing and clamping.

The utility model belongs to the technical field of tools, particularly relates to a framework welding tool, and provides the following scheme aiming at the quality problems that an existing fixing mode is easily interfered by human factors, welding precision and consistency are difficult to guarantee, and welding deformation, dislocation and the like are easy to occur. A first welding table, a second welding table, a third welding table and a fourth welding table are sequentially and fixedly arranged on the top of the base from left to right through bolts. The top of the first welding table, the top of the second welding table, the top of the third welding table and the top of the fourth welding table are fixedly provided with fixing assemblies through bolts, the welding table is provided with a base and four welding tables arranged in sequence, and each welding table is provided with the corresponding fixing assembly and a corresponding control switch, so that accurate fixing and convenient opening and closing of different parts are achieved. The fixing assemblies on the welding tables are customized according to the characteristics of parts, the fixing assemblies stabilize the parts through the synergistic effect of the supporting frames, the positioning pins, the air cylinders and the clamping plates according to the lever principle, and the welding precision and efficiency are ensured.

The application discloses a square flange sealing quick joint and a sealing connection method, and relates to the technical field of sealing connection, in particular to a square flange sealing quick joint and a sealing connection method. The square flange sealing quick joint comprises a positioning seat, a pressing plate, a limiting block and a knurled nut, a rectangular groove is formed on one side end face of the positioning seat in the circumferential direction, the rectangular plate part of the pressing plate is arranged in the rectangular groove, the screw part is threadedly connected with the knurled nut through the through hole on the positioning seat, and one end of the knurled nut is limited on the positioning seat through the limiting block. When the square flange sealing quick joint is used for sealing connection of a square flange joint fuel pipe, the knurled nut is rotated to drive the pressing plate to move, so that the rectangular groove of the positioning seat forms a space height sufficient to accommodate the square flange on the square flange joint fuel pipe, then the square flange is inserted into the rectangular groove, the knurled nut is rotated again to drive the pressing plate to press the O-shaped ring on the end face of the square flange, and the sealing connection work is completed. The square flange sealing quick joint is simple in operation, high in sealing installation and dismounting efficiency, and high in sealing connection quality.

The utility model discloses a kind of split type magnetic pole reinforcing key mounting structures, it is related to magnetic pole reinforcing key installation field, including support frame, the upper end of the support frame is rotatably connected with rotating plate, the upper end of the rotating plate is equipped with placing groove, the outside of the placing groove is provided with multiple installation grooves equipped in the upper end of rotating plate, the inside of multiple installation grooves is slidably connected with clamping block, the lower end of the clamping block is provided with driving assembly, a kind of split type magnetic pole reinforcing key mounting structure of the utility model, by the output end of first cylinder drives lifting plate vertical drop, in through the linkage cooperation of the second rotating seat outside lifting plate, rotating rod and first rotating seat, clamping block can be driven along installation groove inside slide, in using limit block and sliding groove guide cooperation, multiple clamping blocks can be made synchronous tightening and clamping precision motor, in using the design of anti-slip texture, can increase friction, prevent precision motor from producing displacement.

The present invention discloses a steering oil cylinder seat positioning device, including a base, a first clamping member, a second clamping member, a positioning member and a limiting member. The first clamping member is arranged at the top of the base, and a first positioning hole is arranged on its surface. The second clamping member is arranged on a second positioning hole. The second clamping member cooperates with the first clamping member to clamp and fix the two side surfaces of the steering oil cylinder seat. The positioning member is sequentially inserted into the second positioning hole, the oil cylinder mounting hole and the first positioning hole. The limiting member is arranged on the first clamping member to limit the rotation of the steering oil cylinder seat. The present invention can quickly and accurately position and fix the steering oil cylinder seat through the cooperation of the first clamping member, the second clamping member and the positioning member, which saves the operation time of the staff and effectively improves the work efficiency. The limiting member arranged on the first clamping member can limit and fix the steering oil cylinder to prevent it from rotating, which further improves the accuracy of the size and ensures the quality of the product.

The utility model discloses an auxiliary support of a metal plate bending machine. Relates to the technical field of sheet metal machining and comprises a fixed plate, an L-shaped support is connected to the bottom of the fixed plate, two threaded openings are formed in the L-shaped support, hand-screwing bolts are connected to the threaded openings, clamping blocks are connected to the tops of the hand-screwing bolts, two sections of sliding grooves are formed in the top of the fixed plate, a movable plate is connected into each sliding groove, and the movable plate is connected to the bottom of the fixed plate. And one side of the moving plate is connected with a limiting plate through a rotating shaft. According to the sheet metal part positioning and fixing device, the hand-screwing bolt, the first locking bolt, the second locking bolt, the connecting piece, the movable plate, the limiting plate, the limiting block, the spring and the sliding plate are matched for use, so that the sheet metal part can be accurately positioned and fixed through the adjustable limiting plate and the movable plate; the inclination angle of the sheet metal part and the length of the sheet metal part stretching into the bending machine can be determined more conveniently, and the quality of a bent finished product is guaranteed.

The invention discloses a construction process of a main structure of a small-curvature teardrop-shaped cable tower, which is characterized by comprising the following steps: step 1: tower base construction; step 2: connection plate construction; step 3: tower column construction; step 4: lower cross beam construction; wherein step 2 includes steel anchor beam construction, steel anchor beam and corbel integral hoisting, and the installation of the embedded cable guide tube is carried out after the steel anchor beam system is installed and positioned, at which time the connecting bolts between the steel anchor beam and the steel corbel do not need to be tightened in place, and a gap is left for adjustment. If the accuracy requirement is not met, the position of the lower port is fine-tuned to the deviation meeting the accuracy requirement under the premise of meeting the smoothness requirement, and after the steel anchor beam is positioned, a longitudinal limit device of the steel anchor beam is installed, the limit device is perpendicular to the center line of the bridge tower, and the limit device is connected and fixed by a pre-embedded steel plate pre-embedded in the tower wall. The invention ensures the construction efficiency and assembly accuracy of the steel anchor beam and steel corbel unit assembly construction, and enables the main tower to have good technical guarantee.

The utility model discloses a positioning device for protective clothing production, which comprises a working platform, sliding chutes are arranged on two sides of the working platform, a clamping block is clamped in the working platform, the top of the clamping block is connected with a support rod of an L-shaped structure through a rotating shaft, the horizontal part of the support rod is a hollow structural plate, an extension rod matched with the hollow structural plate is arranged in the support rod, and the extension rod is connected with the clamping block through a rotating shaft. A threaded hole is formed in the end of the extension rod, a threaded rod is arranged in the threaded hole, and a positioning block of a circular-truncated-cone-shaped structure is arranged on a bottom plate of the threaded rod. Thread downward pressing is carried out through the multiple supporting rods which can be adjusted in length and can move, and accurate positioning and fixing are facilitated.

This invention discloses a pressure gauge error calibration device, relating to the technical field of pressure gauge production equipment. It includes: a workbench and a conveyor mounted on top of the workbench, with multiple pressure gauges transported on the top of the conveyor; a vision inspection frame fixedly connected to the top of the workbench; a robotic arm fixedly connected to the top of the workbench; and an auxiliary calibrator located on top of the workbench for calibrating the errors of the pressure gauges. This invention, by incorporating an auxiliary calibrator, automates the entire pressure gauge calibration process, eliminating the need for manual intervention. After calibration, the drive motor reverses, tightening the nut via an adjusting block to ensure the adjusting bolt is securely positioned, thus completing the pressure gauge error calibration. This automated process effectively avoids human error deviations, significantly improving the efficiency and accuracy of pressure gauge testing and calibration.

The utility model relates to the technical field of rechargeable batteries, in particular to a positioning structure for a rechargeable lithium ion battery, which comprises a positioning plug shell, a positioning pin and a positioning pin, the positioning pin shell is provided with an embedded end and a plugging end, the embedded end is used for being connected with an anode hardware sheet in an embedded manner, and the plugging end is used for plugging an open end of a battery shell; the plugging end is provided with an accommodating cavity, and the accommodating cavity is communicated with a TYPE-C positioning hole formed in the positioning plug shell; the accommodating cavity is used for accommodating the PCB assembly and a TYPE-C female seat on the PCB assembly; and the TYPE-C positioning hole is used for plugging and positioning one end of the TYPE-C female seat. And the TYPE-C positioning hole is used for plugging and positioning one end of the TYPE-C female seat, so that the PCB assembly and the TYPE-C female seat are positioned and fixed, the positioning accuracy is good, the positioning is rapid, and rapid assembly and production are facilitated.

The utility model discloses an assembling tool for a hinged support of a mining electric wheel dumper. The assembling tool comprises a bottom plate, a wing plate positioning block, a vertical plate positioning block, a shaft hole positioning support, a positioning plate, an auxiliary vertical plate and a clamping device. The wing plate positioning block, the vertical plate positioning block, the shaft hole positioning bracket, the positioning plate, the auxiliary vertical plate and the clamping device are arranged at the upper part of the bottom plate; the two vertical plate positioning blocks are located on the two sides of the middle line of the front portion of the bottom plate, the wing plate positioning blocks are arranged on the front side and the rear side of the bottom plate respectively, the two positioning plates are arranged on the middle line front and back, and the two shaft hole positioning supports are arranged on the two sides of the middle line left and right. The auxiliary vertical plates are located on the side of the center line, the clamping devices are arranged on the two sides of the center line, and the clamping devices are provided with bolts. According to the utility model, the working efficiency and accuracy of assembling the hinge bracket can be improved.

The present invention proposes a welding positioning device and a welding positioning method for a trailer chassis bearing, which includes a conveyor frame, a clamping and centering mechanism, a feeding mechanism and a positioning mechanism. The conveyor frame is used to transmit the chassis, and the clamping and centering mechanism is used to clamp the chassis and determine the center of the chassis; the feeding mechanism is used to transfer the bearing to the position where the bearing is assembled above the chassis; the positioning mechanism includes a fixed frame, a guide assembly and a translation assembly; the guide assembly includes a guide rod, a mounting plate and at least two first clamping devices, the guide rod is vertically arranged above the chassis, and is used to receive the bearing transferred from the feeding mechanism, and at least two first clamping devices are used to selectively clamp the guide rod; the translation assembly is used to make the guide rod correspond to the position where the bearing is assembled above the chassis. The present invention can complete the precise positioning of the bearing on the chassis, avoid the displacement of the bearing by the clamping device during the contact and clamping process of the bearing, thereby ensuring the precise position of the rotating shaft after welding on the chassis.

The utility model provides an intermittent injection pen assembling machine. The intermittent injection pen assembling machine comprises a rack; the rotating module is rotatably arranged on the machine table in the rack, the rotating module is provided with a first working table and a second working table which are oppositely arranged, and each working table is provided with a containing jig used for containing all components of the injection pen; the assembling platform is arranged on the machine table, and a plurality of positioning devices used for fixing all components of the injection pen are arranged on the assembling platform; the pressing module is arranged on the machine table and comprises a pressing support, a first sliding rail and a second sliding rail, and the first sliding rail and the second sliding rail are arranged on the pressing support; an expansion assembly is arranged on the first sliding rail, and a press-fitting assembly is arranged on the second sliding rail. And the grabbing device is used for grabbing and transferring all components of the injection pen and grabbing and transferring the pressed injection pen to the rotating module to complete the finished product discharging action of the injection pen. And it is ensured that the position of the injection pen is fixed and accurate in the assembling process, and position deviation in the assembling process is effectively avoided.

The application discloses an automatic pipe storage method and device, and relates to the technical field of oil and gas exploitation supporting equipment. The automatic pipe storage method comprises the following steps: step 1, two storage racks are horizontally moved to a working position with a certain distance; step 2, the storage racks are rotated so that the continuous feeding storage mechanisms on the two storage racks are turned to the inner side and oppositely arranged; step 3, a manipulator carries a pipe column to the continuous feeding storage mechanism; step 4, the continuous feeding storage mechanism transports the pipe column from one side of the storage rack to the other side; step 5, steps 3 and 4 are repeated until the pipe column is placed or the oil pipe is fully placed in the pipe storage mechanism; and step 6, after the oil pipes on the pipe storage mechanism are all removed, the storage racks are rotated to be parallel to the bottom frame, and the distance between the two is reset to the storage position. The application is convenient for storage and transportation of pipe columns with different sizes, and the cooperation of the carrying manipulator and the continuous feeding storage mechanism improves the continuity and operation efficiency of the automatic pipe storage operation.

The utility model relates to the technical field of door and window aluminum profiles, in particular to a door and window aluminum profile structure with high pressure resistance, which comprises a door and window aluminum profile, frame bodies are arranged on two sides of the door and window aluminum profile, one end of the inner wall of each frame body is fixedly connected with sound insulation cotton, and one end of each sound insulation cotton is fixedly connected with a heat insulation layer. A pressure-resistant structure is arranged on one side of the frame body, the pressure-resistant structure comprises a first rubber pad, one end of the first rubber pad is fixedly connected with one end of the frame body, and a second rubber pad is arranged on one side of the first rubber pad. Through the cooperation of the door and window aluminum profile, the frame body and the compression-resistant structure, the first rubber pad is arranged on the outer side of the frame body, then the frame body can be protected, meanwhile, the first rubber pad has elasticity and further plays a buffering role, when the door and window aluminum profile is extruded, the first rubber pad is compressed, meanwhile, the frame body extrudes the second rubber pad, and therefore the door and window aluminum profile is prevented from being damaged. And therefore, the door and window aluminum profile can be protected and buffered conveniently, and the anti-pressure capacity of the door and window aluminum profile is improved.

The invention relates to the technical field of connectors, and particularly discloses a connector contact piece with a conical gear sleeve and a manufacturing method and a manufacturing tool of the connector contact piece, and the connector contact piece with the conical gear sleeve comprises a main body structure, the conical gear sleeve and a tail accessory; the main body structure is provided with a first groove; a support ring is arranged at the front part of the conical gear sleeve; according to the invention, stamping assembly is not needed, the conical gear sleeve can be axially sleeved on the main body structure in a sliding manner, the fixation of the connector contact element can be realized, stamping assembly is not needed, the front end of the main body structure of the contact element is not scratched, and the assembly is convenient. According to the connector contact piece, the appearance and contact connection of the contact piece product are not affected, stamping assembly is not needed, yield deformation is avoided, the conical gear sleeve is accurately positioned and fixed to the outer wall of the main body structure and is not prone to loosening, the situation that the connector contact piece withdraws a pin or is in poor contact due to loosening of the main body structure is avoided, and the product quality of the connector contact piece is good.

The invention discloses a U-shaped plate positioning hollow needle knife and an application method thereof, and belongs to the field of medical instruments. The invention discloses a hollow needle knife positioned by a U-shaped plate. The hollow needle knife comprises a needle knife handle, a hollow needle knife body, a soft sleeve and a positioning and fixing mechanism, wherein the hollow needle knife body is fixedly connected to the front end face of the needle knife handle; the positioning and fixing mechanism sleeves the hollow needle knife body with the soft sleeve in a positioning mode, the cutting capacity of the needle knife is fully utilized, the position and positioning relation of the soft sleeve and the needle knife are adjusted through the positioning and fixing mechanism, and during sweeping and scattering actions, the soft sleeve shields and protects a knife edge and is embedded into a focus at the same time. Therefore, it is guaranteed that the soft tissue is not damaged during sweeping and stripping treatment, after stripping and sweeping treatment, the soft sleeve can be conveniently left in the focus of a patient, the adhesion position is separated, and the rapid and accurate medical effect is achieved. The problems that in the prior art, a needle point only has a penetrating function, and the sweeping action cutting capacity is poor are solved. In addition, the hollow needle knife body has a precise medicine feeding function.

The utility model relates to the technical field of instruction manual missing detection, and disclose a kind of instruction manual missing detection equipment, including fixed bolster, the top fixed mounting of fixed bolster has support frame, the bottom fixed mounting of one end of support frame has first air cylinder, the output of first air cylinder fixed mounting has mounting seat, the inside movable mounting of mounting seat has mounting plate, the bottom fixed mounting of mounting plate has photoelectric sensor.The utility model compared with traditional equipment, the cooperation between the positioning hole, positioning block, spring and pull rod, it is convenient to install photoelectric sensor, significantly improve the installation efficiency, so that photoelectric sensor can be quickly, accurately positioned and fixed, reduce installation time and labor cost;It also enhances the flexibility of equipment, it is convenient to adjust or replace the position of photoelectric sensor according to actual demand, improves the adaptability of equipment.

The utility model discloses a welding deformation prevention tool for multi-model excavator movable arms, which relates to the technical field of excavator movable arm production and comprises a platform base, a front fork positioning seat, a rear seat positioning seat and a hub fishtail positioning seat. In the production process of the movable arm of the excavator, each part of the movable arm of the excavator can be accurately positioned and fixed, and the assembly size accuracy of a connecting plate is improved, so that the welding quality of the connecting plate is ensured, and the purpose of rapid assembly welding is achieved; and the phenomenon that the swing arm side plate is distorted and deformed in the welding process is effectively avoided.

The utility model relates to PE self -adhesion protective film technical field discloses a low temperature high viscosity type PE self -adhesion protective film, including PE film base layer, the top of PE film base layer is equipped with the protective surface layer, the bottom of PE film base layer is equipped with the antistatic layer, the bottom fixedly connected with adhesive layer of antistatic layer. In the utility model, through the extension enhancement subassembly, the combination strength of protective film each layer is promoted, prevents interlayer peeling, through two along the extension enhancement subassembly of PE film base layer central axis symmetry, evenly dispersed stress, prevent local stress damage, through EVA blend layer, realize with PE film base layer, protective surface layer and antistatic layer close combination, through the installation notch, accurate positioning fixed POE elastic fiber net, through POE elastic fiber net, promote the extensibility and tensile resistance of protective film, prevent external force rupture, through the setting of strengthening clamping point and size adaptation, enhance the stability of net and groove connection, prevent net to come out, guarantee the overall stability of subassembly.

The invention discloses a hollow needle knife and an application method thereof, and belongs to the field of medical instruments. The hollow needle knife comprises a needle knife handle, a hollow needle knife body and a soft sleeve, wherein the hollow needle knife body penetrates through the needle knife handle; the soft sleeve penetrates out of the whole hollow needle knife body through the hollow of the hollow needle knife body, the top of the hollow needle knife body is a hollow blade, and the front end of the hollow blade is a pointed end, a round end or a plain end; during the sweeping action, the soft sleeve shields and protects the knife edge and is embedded into the focus, so that soft tissue is not damaged during sweeping and stripping treatment, the soft sleeve is conveniently left in the focus of a patient after stripping and sweeping treatment, the adhesion position is separated, and the rapid and accurate medical effect is achieved. The problems that in the prior art, a needle point only has a penetrating function, and the sweeping action cutting capacity is poor are solved. In addition, the hollow needle knife body has a precise medicine feeding function.

A foundation for a cellar bottom includes, from bottom to top, a compacted soil layer, a clay layer, a waterproof and breathable membrane, a neutral cellar mud layer, and a cellar bottom cultivation mud layer. The waterproof and breathable membrane includes a fixed frame, a breathable membrane body, and positioning patches. The fixed frame is U-shaped, including a rectangular frame and rectangular membrane body limiting holes located within the rectangular frame. The shape of the breathable membrane body is adapted to the shape of the rectangular membrane body limiting holes. Several positioning patches are laid horizontally and vertically at intervals on the top surface of the breathable membrane body, and both ends of each positioning patch are adhered to the top surfaces of both sides of the fixed frame, so that the breathable membrane body and the fixed frame are fixed together. In this application, the waterproof and breathable membrane has countless ultra-fine tortuous channels formed between the fibers, which block liquid water and diffuse gaseous water, while achieving waterproofing and breathability. It forms a continuous waterproof layer at the bottom of the cellar, which can effectively prevent the penetration of liquid water.

The utility model relates to the technical field of cutting equipment, one embodiment of the utility model provides a full-automatic cutting machine for a bridge anti-seismic support, the full-automatic cutting machine comprises a rack and a bottom frame, the bottom frame is fixed at the bottom of the rack, a cutting dust removal assembly is arranged on the bottom frame and the rack, and a positioning pushing assembly is arranged on the rack. The positioning pushing assembly comprises a driving lead screw and a guide rod, the driving lead screw and the guide rod are installed on the two sides in the rack, the driving lead screw is controlled by a motor to rotate, a pushing frame is connected to the driving lead screw and the guide rod, and a pair of telescopic air cylinders is installed on the pushing frame. By means of the technical scheme, the technical problems that in the prior art, during manual cutting, the consistency of worker operation is difficult to guarantee, the size deviation of supports cut by different workers is large, most existing cutting equipment cuts a single support, and multiple supports cannot be cut at the same time are solved.

The invention discloses an enteroscope polyp removal collector and a control assembly. The enteroscope polyp removal collector comprises a handle, a pipeline, a clamping mechanism, a cutting mechanism and a conveying mechanism. A pipeline is arranged at the front end of the handle; a clamping mechanism is arranged at the top in the pipeline, a conveying mechanism is arranged in the middle, and a cutting mechanism is arranged at the bottom; the cutting mechanism comprises a cutting blade, a double-head motor, a sliding block, a rope, a cutting rod and a sliding motor; a semicircular sliding groove is formed in the bottom of the pipeline, and a sliding block is arranged in the sliding groove; holes are formed in the front end and the rear end of the sliding block respectively to be connected with the rope. The front end of the cutting rod is fixedly connected with a double-end motor; two output shafts of the double-end motor are respectively connected with the cutting blades; the rope is annularly arranged along the semicircular sliding groove, and a sliding motor is arranged at one end of the rope; the cutting blade is driven by the rope to slide, so that the cutting device adapts to positioning cutting of polyps in all directions in gastrointestinal tracts.