15results about How to "Accurate contact" patented technology

The utility model discloses a four line kelvin measurement accessory of banana head connecting probe, including measuring instrument main part, four banana head jacks are equipped with to measuring instrument main part, four banana heads are inserted respectively in banana head jack, four connecting wires, one end is connected banana head respectively, and the other end is connected corresponding measurement probe, four measurement probes are connected with connecting wire electricity respectively, and are used for contacting the both ends of measured device, the inside of banana head jack is provided with insulating baffle and banana head, and the baffle is used for carrying out electrical isolation to each banana head insertion site, to avoid mutual interference between measurement signal. The utility model discloses adopting probe to replace traditional kelvin clamp structure, and the probe has good flexibility and controllable contact pressure, can realize accurate contact to paster device or surface pin device, and effectively solve the problem of traditional clip clamping difficulty.

This application discloses a method for obstacle crossing of a self-moving device and the self-moving device itself. The self-moving device includes a device body and a robotic arm connected to the device body. The robotic arm includes an operating structure, a working arm, and a joint assembly. The operating structure, the working arm, and the device body are connected via the joint assembly. The obstacle crossing method of the self-moving device includes: if a target obstacle is detected, defining a support area on the upper surface of the target obstacle; controlling the joint assembly to rotate so that the operating structure contacts the support area, and using the operating structure as a fulcrum to lift the device body; controlling the joint assembly to rotate to drive the device body to rotate, so that the device body is positioned on the upper surface of the target obstacle. For obstacles that cannot be directly crossed by the walking component, crossing the target obstacle can be achieved by supporting and lifting the device body with the robotic arm.

This utility model discloses a bidirectional circuit switching membrane button, comprising: a flexible base layer with a first conductive contact and a second conductive contact thereon; a seesaw-type movable layer, hinged to the base layer in the middle via an elastic fulcrum, and having a first pressing part and a second pressing part corresponding to the first and second conductive contacts at both ends; and a waterproof sealing layer covering the base layer and the movable layer, with an annular groove on its edge for fixed installation. The seesaw-type movable layer design enables bidirectional circuit switching, allowing flexible control of different circuit on / off states; the conductive contacts and pressing parts precisely correspond to each other, ensuring accurate contact during pressing and reducing circuit failures; the waterproof sealing layer covers the outside of the button, effectively preventing moisture, dust, and other impurities from entering and protecting the internal structure; the waterproof sealing layer reduces impact and damage to the internal structure of the button from external objects; and the annular groove on the edge of the waterproof sealing layer facilitates quick and stable installation of the button on the device, ensuring its firmness.

The utility model discloses a kind of detachable cleaning tools for photovoltaic power station operation and maintenance, to provide a kind of simple structure, installation is convenient, cleaning efficient solution.The tool includes mounting bracket and the cleaning structure set on it, and the lower end of mounting bracket is equipped with moving wheel and limiting wheel, and moving wheel axis is vertical, rolls on the upper end surface of photovoltaic panel frame, realizes stable movement;Limiting wheel axis is horizontal, and is attached to the front and rear end surface of frame, to prevent deviation.Setting adjusting device on mounting bracket, through adjusting groove, adjusting block, limiting plate and adjusting bolt control limiting wheel pressing force, adapt to different frame specifications, facilitate quick installation and disassembly.Cleaning structure 2 is through the comprehensive cleaning mode of air, water, wiping, compared with single scrubbing mode, with higher cleaning capacity and adaptability, can cope with different types of dirt.

The utility model discloses a kind of for PCBA board test's fixed jig, comprising: testing device and placing table, placing table is fixed on the upper surface of testing device;Clamping assembly, clamping assembly includes electric push rod, connecting plate, output rod, fixed frame, rotating hole and connecting rod, electric push rod is provided with two, respectively fixed in the middle part of both sides of testing device, connecting plate is fixed on the upper surface of electric push rod, output rod is installed inside electric push rod, and output rod slidingly penetrates connecting plate, fixed frame is fixed in the upper end of output rod, rotating hole is opened in the outer surface of fixed frame, connecting rod is placed in fixed frame interior, and the end of connecting rod is rotated and penetrated with first rotating shaft, and first rotating shaft penetrates rotating hole, the middle lower end of connecting rod is rotated and penetrated with second rotating shaft. The utility model avoids when testing, PCBA board position deviation, improves the security of testing process, guarantees accurate contact of test probe and test point, improves testing accuracy.

The utility model relates to the enamels of cast iron enamel product's spraying device of production technical field is provided, including spraying box body, rotating seat and support seat, the inside of spraying box body is provided with rotating seat, and the outside equal interval of rotating seat top is fixed with support seat, the utility model discloses through electric telescopic link drive rubber top cap moves up and down, can be according to the inside depth of different cast iron enamel product, the height of flexible adjustment rubber top cap, ensure its accurate and product inner bottom wall contact, realize stable auxiliary support. The compatibility of device to all kinds of height cast iron enamel product has been improved. Utilize motor drive built -in push block rotation, realize movable rod outward migration, drive rubber resistance block adjustment position, until with the inside wall of cast iron enamel product of different inner diameter closely, complete stable fixation. Let device can cope with a variety of inner diameter specification's product, greatly expand the scope of application, reduced because product specification different and need frequently change fixed positioning equipment's trouble.

The utility model discloses a kind of cleaning scrapers for selenium drum, including knife rest and blade, blade includes connecting portion and working part, knife rest includes main frame body and auxiliary frame body;The both ends of main frame body are provided with limiting slot, let position hole and limiting hole, selenium drum frame is equipped with the bearing platform for placing main frame body, bearing platform includes with the horizontal plane and vertical plane of main frame body, the both ends of bearing platform are fixedly installed with bearing seat, bearing seat is equipped with the limiting block, internal thread hole and limiting column sequentially with limiting slot, let position hole and limiting hole cooperation, bearing seat is opposite internal thread hole and limiting column and is fixed with pad, the upper surface of pad is flush with the horizontal plane of bearing platform, pad is opposite internal thread hole and set up to avoid opening, lower locking bolt is threadedly connected with the internal thread hole of bearing seat;Auxiliary frame body is pressed in the upper of main frame body. The cleaning scraper for selenium drum has the advantages of improving the installation stability of knife rest, avoiding the rearward movement of knife rest, and high reliability.

The utility model discloses a kind of measuring devices for casting mechanical property tensile test, including base, first support, second support and scale, first baffle is vertically provided in the left end of base, first support is provided on the base right side of first baffle, second support is slidably connected with in the right side of first support, third baffle is slidably connected with in the right side of second support, and top bolt is provided on third baffle, scale is provided in the right side of the top of first baffle, second displacement sleeve is slidably connected on scale, measuring rod is provided in the front end of second displacement sleeve. The utility model can effectively solve the problems existing in the conventional test bar elongation test method, such as inaccurate gauge length measurement, unstable test bar placement, etc., significantly improve the accuracy of test bar gauge length measurement and elongation calculation, while reducing the influence of human factors on measurement results, improve the test efficiency, reduce the labor cost and operation time.

This invention discloses a flexible adsorption transfer system and placement method for reducing DIC (Displacement Injection) defects on silicon wafers, relating to the field of flexible adsorption transfer technology. The system includes a transfer system internally configured to clean the suction cups. The cleaning mechanism includes several sets of lifting and drying units, a cleaning unit, and several sets of liquid replenishment units. Each lifting and drying unit includes a mounting frame with a rotating shaft rotatably mounted inside. A rotating rod is fixedly mounted on the surface of the rotating shaft. Through the lifting and drying units, a micro-asynchronous motor drives the shaft and small bevel gears, causing the shaft column meshing with the large bevel gears and the cleaning cloth on the support plate to rotate. This rotary cleaning method can perform multi-angle, dead-loop wiping of the bottom of the suction cups, effectively removing particles, wax residue, and other contaminants adhering to the flexible adsorption pads, thereby reducing silicon wafer backside defects caused by suction cup contamination at the source and improving silicon wafer yield.

This utility model relates to the field of marine aquaculture technology and discloses a marine aquaculture net cleaning device, including a base plate. Side plates for bearing are fixedly installed on both sides of the top of the base plate. A conveying roller for auxiliary transmission is rotatably installed between the two sets of side plates. Bearing seats for bearing are fixedly installed at both ends of the base plate. A rotating shaft is rotatably installed on each bearing seat. A rotating roller for winding and limiting is engaged between the two sets of rotating shafts. The rotating shafts are detachable. The end of one set of rotating shafts is fixedly connected to the output end of a drive motor. The device also includes a scraping component. Through the cooperation of the above structures, this device can effectively improve the cleaning efficiency and effect of marine aquaculture nets, making it more convenient and practical for marine aquaculture.

This utility model discloses a stapler full inspection machine, relating to the field of stapler testing technology. It includes a machine body, a display screen and control buttons mounted on one side, a moving component mounted on the other side, and a mounting frame mounted on one side of the machine body via a moving base. An electric push rod is mounted on the top of the mounting frame, and a lifting seat is fixedly connected to the telescopic end of the electric push rod. An electrical testing contact is mounted at the bottom of the lifting seat. A clamping seat is symmetrically slidably connected to the top of the machine body, and clamping components are symmetrically mounted on one side of the clamping seat. A merging component is installed inside the machine body. This utility model, using the above structure, can dynamically adjust the clamping force in real time according to the shape and size of different parts of the stapler, ensuring a tight fit at all contact points. This avoids damage to the instrument due to excessive clamping and prevents instability due to insufficient pressure, effectively ensuring the stability of the instrument and the reliability of the test results during stapler testing.

The utility model relates to cable wrapping technical field, and disclose a cable wrapping anti -drifting device with spiral guide mechanism, solved the problem that the present cable is difficult to effectively prevent deviation, it includes the mounting disc, the outside of mounting disc is equipped with the anti -drifting mechanism, and the adjusting mechanism is equipped between anti -drifting mechanism and mounting disc, and the anti -drifting mechanism includes the abutting disc located outside mounting disc, and the side fixedly connected with the support of abutting disc far away from mounting disc, the outside swing sleeve of support is connected with the sleeve of abutting disc abutment, and the both ends of sleeve are fixedly connected with two positioning blocks, and two positioning blocks all are through abutting disc, and the side fixedly connected with U type round bar of abutting disc far away from sleeve, the utility model discloses, the spiral groove is convenient for the accurate direction of cable, makes the cable along the predetermined path movement in the wrapping process, greatly improved the precision and quality of wrapping, reduced the problem such as uneven, loose of wrapping due to cable deviation.

The utility model discloses a kind of quality inspection devices for mandrel production and processing, belong to quality inspection device technical field.This kind of quality inspection devices for mandrel production and processing, including main body, moving mechanism and adjusting mechanism, main body includes base, the upper end one side of base is fixedly installed with support frame, the upper end one side of support frame is rotatably connected with three jaw chuck;Moving mechanism includes moving box, the bottom side of moving box is connected with the side of base, and the side of moving box is installed with controller;Adjusting mechanism includes first adjusting seat and second adjusting seat, the bottom end of first adjusting seat is slidably connected with the upper end of moving box, and the inside of first adjusting seat and second adjusting seat is slidably installed with first adjusting rod and second adjusting rod respectively, the top of first adjusting rod is connected with the bottom side of second adjusting seat, and the one end of second adjusting rod is inserted with micrometer, the utility model, can effectively improve the practicality of quality inspection devices for mandrel production and processing, with higher practical value.

The application discloses a kind of high-temperature high-silicon oilfield produced water reuse multistage desilication and salt removal device, it is related to oilfield produced water treatment technical field, and the oilfield produced water after pretreatment enters cyclone separator by input pipe, and the top outlet end of cyclone separator is interconnected with the bottom inlet end of desilication reaction mechanism, and the top outlet end of desilication reaction mechanism is interconnected with the top inlet end of membrane desalination reactor.The oilfield produced water after pretreatment enters cyclone separator inside by input pipe and is separated, and the oilfield produced water after separation flows into desilication reaction mechanism inside by first connecting pipe tangential flow and forms spiral upward water flow, and the oilfield produced water is desilicated, so that the oilfield produced water is fully mixed with the desilication reagent sprayed by annular distribution pipe, mass transfer efficiency is improved, active seed is uniformly dispersed simultaneously, it is ensured that seed, reagent and produced water are contacted in all directions, silicon slag is generated and wrapped on the outer surface of active seed, and it is ensured that desilication reaction is fully carried out.