17results about How to "Small contact force" patented technology

This utility model provides a pneumatic lifting device for electronic trays, including a tray positioning assembly, a drive assembly, and a handling robot. The tray positioning assembly inserts a central positioning cone into the center hole of the tray, and, in conjunction with a pressure plate, clamps the tray to achieve precise vertical positioning. The drive assembly uses a downward-pressing cylinder to drive the limit plate to rise and fall, with linear bearings ensuring stability. The handling robot uses a rotary cylinder, a gripper cylinder, and a synchronous belt mechanism to achieve 45-degree rotation and extend / retract the fork, completing the tray gripping and handling. This device has a compact structure, high positioning accuracy, and strong adaptability, significantly improving the efficiency and stability of automated production, and is suitable for various electronic trays.

An electromagnetic relay, the object of the present invention is to suppress the reduction of the contact force of the contact in the electromagnetic relay and improve the assemblability. The first fixed terminal includes a first supporting portion and a first extending portion. The first supporting portion is located in the closing direction of the movable contact piece. The first supporting portion supports the first fixed contact. The first supporting portion extends from the first fixed contact toward the first side. The first side is a direction in the length direction of the movable contact piece. The first extending portion is connected to the first supporting portion. The first extending portion extends from the first supporting portion in the closing direction. The first extending portion is configured separately from the movable contact piece to the first side.

The invention provides a two-dimensional synergistic interaction anti-adhesion system. Comprising a micro-positive pressure device and an anti-adhesion coating (9), the micro-positive pressure device comprises an air pump (1), a pressure regulating valve (2), a leather hose (3), an air inlet nozzle (4), a cavity body (5), an airflow area (6), a plurality of air outlet holes (7) and a micro pressure sensor (8). The anti-adhesion coating (9) and the ingenious structural design of the micro-positive pressure device are combined together, the anti-adhesion effect is improved through two-dimensional cooperation from physical and chemical angles, high-viscosity colloids such as hydroxyl-terminated polybutadiene rubber can be prevented from being adhered to the surfaces of related devices, the operation stability and working efficiency of related procedures are improved, and the production cost is reduced. Wide application prospects are realized in the anti-adhesion field.

The invention relates to the technical field of microcrystalline glass production, and discloses a production mold for continuous production of microcrystalline glass and a using method thereof.The production mold comprises a power mechanism, the power mechanism further comprises a supporting table, the top of the supporting table is fixedly connected with a lower mold, the top of the lower mold is provided with an upper mold, and an electric telescopic rod is started to stretch out; when the upper mold is tightly attached to the lower mold, the rack can be separated from the gear rod, the resilience force of the clockwork spring can be released, the pushing block is driven to rotate, the sliding rod is pushed to ascend, and the sliding rod is pushed to descend. When the upper mold and the lower mold are opened, the I-shaped block is driven to ascend, and when the I-shaped block ascends, gas in a gap between the lower mold and the upper mold can be sucked in, so that the gas in the gap between the lower mold and the I-shaped block can be reduced, and the blockage of molten materials in the flowing process is reduced, so that the molten materials can reach each corner of the mold more quickly.

The utility model discloses a movable experimental vessel for cell immunofluorescence staining, which relates to the technical field of cell experimental apparatuses and comprises a bracket and a cover plate placed on the bracket. A plurality of loading openings are formed in the top of the bracket and are arranged at equal intervals; by arranging the inverted circular truncated cone sleeve, the bottom surface of the microscopic cover glass cannot be in direct contact and fit with the bottom surface of the inverted circular truncated cone sleeve, so that the contact force between the microscopic cover glass and the pad is reduced; the trouble that the microscopic cover glass is difficult to take out when being directly attached to the pad plate is avoided; meanwhile, a small amount of antibodies can be added when the antibodies are incubated, and the cell surfaces face downwards, so that the use of the antibodies is saved; the microscopic cover glass can be easily put in and taken out through the triangular cone groove tweezers; the situation that the microscopic cover glass is possibly broken due to frequent taking and putting back is avoided; the movable device enhances independence and convenience of cell experiment operation, and taking and placing operation does not affect cells in other cells of the same batch.

A device for preparing metal particles by continuous electrochemical deposition, the device mainly includes: an electrodeposition tank (anode, electrolyte, cathode), a cleaning tank, a collection tank (collection component), etc. The advantages of this device are: the entire electrodeposition collection process is completed in one device, the cathode is designed as a reciprocating strip, and is organically combined with the collection device, and the modular design prevents the two processes from interfering with each other; the metal particles are collected by mechanical stripping, avoiding a large amount of surfactants in traditional chemical synthesis methods; the electrolyte in the entire synthesis process can be reused, does not require a large amount of organic additives, and has excellent environmental benefits; the device has good universality and is suitable for a variety of metals.

The utility model relates to the technical field of electric power detection, in particular to a magnetic type tower climbing robot device which comprises a driving unit, a protective shell is arranged on the driving unit, a gear cleaning unit is arranged on the protective shell, a guide unit is further arranged in the protective shell, and the driving unit comprises a second fixing frame arranged in the protective shell. A second motor is arranged in the second fixing frame, second magnetic attraction wheels are symmetrically and rotationally installed in the second fixing frame, the second motor drives the second magnetic attraction wheels to rotate through a gear set, the guide unit comprises a first fixing frame arranged in the protective shell, a first motor is arranged in the first fixing frame, and a second motor is arranged in the second fixing frame. According to the magnetic type tower climbing robot device, the conical plate and the spring rod of the gear clearing unit are designed, dirt on the surface of a tower can be effectively cleared away, the dirt is prevented from affecting the adsorption effect of the magnetic wheels, and it is ensured that the robot can stably climb in the complex environment.

The utility model discloses a photovoltaic cell conductive cotton power-on test device. The photovoltaic cell conductive cotton power-on test device comprises a driving mechanism and a pressing mechanism. The pressing mechanism comprises a pressing plate, a rotating table in rotating fit is arranged in the middle of the upper end of the pressing plate, the lower end of the pressing plate is connected with an electrifying plate, the driving mechanism comprises a driving seat, angle adjusters abutting against the adjusting parts are in threaded connection with the two sides of the upper end of the driving seat, and the driving seat is in transmission connection with an electric cylinder module capable of driving the driving seat and the pressing plate to move up and down. According to the utility model, the conductive cotton is in contact with the photovoltaic battery piece, the contact performance is strong, the uniformity of electrifying the battery piece is good, the generation of contact resistance can be effectively reduced, and the contact force generated by contact conduction is effectively reduced due to the good flexibility; the angle of the pressing plate can be accurately adjusted by rotating the angle adjusters at the front end and the rear end of the driving seat, the pressing plate provided with the electrifying plate is kept horizontal, and subfissure of the battery piece is avoided.

The invention relates to the technical field of quality detection equipment, in particular to a wear-resistant steel ball detection system and a wear-resistant steel ball detection method. The equipment comprises a conveying device and a detection device, the conveying device comprises a conveying track, and the detection device comprises a detection table and a detection mechanism. A reference station and a detection station are arranged on the detection table and used for placing a standard component and a to-be-detected steel ball. The detection mechanism is composed of two oppositely-arranged clamping plates, a pressure sensor and a first driving mechanism, and the dimensional deviation of the steel ball is measured through the pressure sensor. Clamping force is applied to the standard component and the to-be-detected steel ball through the clamping plate at the same time, whether the size of the to-be-detected steel ball meets the requirement or not is judged through the degree difference between the reference sensor and the detection sensor, and the device has the advantages of being high in detection efficiency and low in cost. In addition, the detection table is further provided with a conveying belt, a good product collecting hole and a recycling station, and it is ensured that qualified steel balls and unqualified steel balls are efficiently and accurately sorted.

The invention relates to the technical field of printing detection, and discloses a printing machine printing multi-stage quality detection device which comprises a detection box, and the top of the detection box is fixedly connected with a collection box. The moving part comprises a supporting column fixedly connected with the bottom of the inner wall of the detection box, a moving hole is formed in the top of the supporting column, a top column is slidably connected to the surface of the inner wall of the moving hole, an air pressure hole is formed in the top of the supporting column, a sliding groove is formed in the bottom of the inner wall of the detection box, and a clamping part is arranged on the surface of the sliding groove. By arranging the moving part, after the power device of the detection box is started, the top column moves upwards from the interior of the moving hole, the top of the top column makes contact with the bottom of the printing paper to lift up the printing paper, the printing paper is moved upwards through the top column, and finally the surface of the printing paper slides relative to the clamping plate, so that the abrasion resistance of the printing paper is detected, and the quality problem of each piece of printing paper is distinguished.

The present invention belongs to the field of bearing performance testing equipment, specifically, a contact angle measuring device based on an angular contact ball bearing assembly line, including a base plate, an air-floating turntable component, a supporting stand, a lifting component, a moving seat, and a measuring component for measuring the contact angle. The present invention uses an air-floating turntable to rotate and drive the bearing to be tested to rotate at a uniform speed, which can reduce the influence of the driving component on the measurement result, thereby making the measurement data more real and reliable, and can eliminate the measurement interference caused by the rotary drive to the greatest extent; through the servo motor and the linear module drive, the moving seat can be accurately controlled to move up and down, and the guide slider combined with the linear module ensures that the vertical Z-direction motion has high linearity, so that the repeatability of the detection position is better; through the overall setting of the measuring component, the impact force of the contact between the measuring component and the bearing to be tested is small, the service life of the sensor is increased, and the vibration is small, thereby also reducing the detection error caused by vibration.

The utility model relates to a walking device of a pointer type sprinkling machine. According to the structure, a paddy field tire is directly arranged on a rim in a sleeving mode, a compression spring is inserted into a sleeve reserved on the rim, one end of the compression spring is tightly attached to the paddy field tire 1, and the portion, attached to the paddy field tire, of an outer tire protrudes by about 5 mm. The spraying device is arranged at the top of the paddy field tire and is about 80mm high, and the spraying device and the sprinkling machine walking tower are fixed together through a connecting rod. And the flexible brush is fixed on the spraying device. Compared with the prior art, the walking device of the pointer type sprinkling machine has the advantages of being strong in road holding force, capable of meeting the requirement for sprinkling irrigation of fields with runoff on the earth surface, capable of guaranteeing that tires can normally operate in deep muddy soil, capable of improving the overall reliability and safety of equipment operation and the like.

The utility model discloses straightening equipment for metal tubes, which belongs to the technical field of metal tube straightening and comprises a worktable, a support frame is connected below the worktable, side plates are connected to two sides below the worktable, supporting plates are connected to two sides above the worktable, and a plurality of fixing tables are mounted above the worktable through bolts. According to the metal pipe straightening equipment, a worker starts a working motor to rotate a threaded rod, a movable plate is promoted to move along the threaded rod through thread fit of a threaded sleeve and the threaded rod, and therefore a connecting frame is promoted to drive a fixed plate to move horizontally along a guide groove, and the movable fixed plate can push a connecting rod through an inclined groove; the connecting rod is driven to drive the movable table to enable the sliding sleeve to slide on the guide rod, so that the distance between the fixed table and the movable table is adjusted, the distance between the two straightening rollers is changed to adapt to metal pipes with different diameters, operation is easy, manual operation is not needed, and the adjusting and straightening efficiency is improved.

The invention discloses a self-adaptive reversing inter-shaft gas film sealing structure suitable for small pressure difference and a working method. The self-adaptive reversing inter-shaft gas film sealing structure comprises an outer rotating shaft, a high-pressure sealing seat, an inner rotating shaft, a low-pressure sealing seat, a sealing ring and a sectioning ring. The high-pressure sealing seat and the low-pressure sealing seat are installed between the outer rotating shaft and the inner rotating shaft and fixedly connected with the inner rotating shaft, fluid dynamic pressure grooves are formed in the end face of the high-pressure sealing seat and the end face of the low-pressure sealing seat in the circumferential direction, and the sealing ring is arranged between the high-pressure sealing seat and the low-pressure sealing seat. A concave cavity is formed in the sealing ring, the sectioning ring is embedded into the concave cavity, and the sectioning ring is in interference fit with the outer rotating shaft. Stable sealing performance can be kept under small pressure difference, the problem of sealing failure caused by pressure difference change is avoided, and the sealing effect is improved. And meanwhile, the contact force is reduced, the abrasion of a sealing part is obviously reduced, and the service life is prolonged.

The present application discloses a transformer bushing head assembly and a transformer bushing, the head assembly comprising: an oil pillow, comprising a cover body, the cover body comprising an opposite outer surface and an inner surface, the cover body being provided with a first through hole and a second through hole, the first through hole penetrating the outer surface and the inner surface, the second through hole penetrating the outer surface and the hole wall of the first through hole; a conductive tube, one end of the conductive tube being located in the first through hole; a conductive connector being located in the second through hole, one end of the conductive connector being in contact with the conductive tube in the first through hole, so that the cover body is electrically connected to the conductive tube. In the above manner, the present application can keep the conductive tube and the cover body at the same potential.

The application discloses a valve body structure and a valve assembly for a gas meter built-in valve, and belongs to the technical field of valves. The valve assembly comprises a valve body structure, the valve body structure comprises a valve body, a valve core and a lip seal ring, the valve core is supported in the valve body through a support frame, the support frame is slidingly matched in a sliding groove, the lip seal ring comprises a ring main body and a lip arranged on the inner side of the ring main body, the position on the lip seal ring for matching the valve core is located on the lip, the end of the support frame is towards the inner end face of the ring main body, and the relative position of the support frame and the lip seal ring satisfies that in the process that the valve core moves towards the lip seal ring, the support frame can move to the state that the end of the support frame is supported on the inner end face. The scheme can effectively optimize the influence of the medium pressure rise on the valve rotation resistance, so that the purposes of optimizing the valve action power consumption and response speed, prolonging the service life of the built-in battery of the gas meter and reducing the maintenance frequency of the gas meter are achieved.

The application discloses a containing and feeding mechanism for motor gear production, which comprises a mounting base, a conveying frame arranged on the mounting base, a conveying groove formed in the mounting base and a feeding frame clamped in the conveying groove, a rectangular groove for connecting a clamping plate arranged on the mounting base, a lifting transmission feeding frame arranged on the top of the clamping plate, a plurality of telescopic inserting rods arranged at the top end of the transmission feeding frame, a butt joint calibration frame arranged on the top of the telescopic inserting rods, a plurality of positioning clamping blocks arranged in the transmission feeding frame, a plurality of transmission shafts arranged on the positioning clamping blocks and a positioning plate arranged on one side of the transmission shafts. Compared with the prior art, the automatic feeding, flatness detection and gap cleaning functions of bevel gears are highly integrated in a compact unit through the mechanism, which not only simplifies the production line layout and reduces the transfer time and cost of materials between different stations, but also is beneficial to realize centralized control and intelligent management of the production process and optimize the whole production process.