43results about How to "Achieve contact" patented technology

This invention relates to the field of loudspeaker soldering technology, and discloses a positioning fixture and soldering method for loudspeaker ribbon cable soldering. The fixture includes a soldering station with a base. The base is equipped with an electric push rod, a desoldering mechanism, a positioning mechanism, and a fixing mechanism, all distributed on opposite sides of the base. The telescopic end of the electric push rod has a rack structure. The desoldering mechanism includes a driving component and a desoldering assembly. The driving component has an arc-shaped toothed ring structure. The positioning mechanism includes a linkage component and a clamping component. The linkage component also has an arc-shaped toothed ring structure. The fixing mechanism is used to fix the loudspeaker. This invention achieves automatic cleaning of old solder while simultaneously fixing and positioning the ribbon cable, thus facilitating subsequent soldering.

The utility model relates to a linkage structure of a multi-pole contact of a dual-power change-over switch, comprising a rotating shaft which is a metal shaft; the handle is mounted at one end of the rotating shaft and synchronously rotates with the rotating shaft under the action of external force; the multi-pole contact is linked with the rotating shaft; the multi-pole contact comprises at least two poles of moving contact assemblies which are arranged on a rotating shaft along the axial direction; one end of the driving shaft is connected with the electromagnetic driving device, and the other end is axially mounted on the other side of the handle relative to the rotating shaft; under the action of the electromagnetic driving device, the driving shaft can horizontally move in the direction perpendicular to the rotating shaft, and then the handle and the rotating shaft are driven to rotate. In the scheme, the linkage structure comprises the rotating shaft, the handle, the multi-pole contact and the driving shaft, the rotating shaft is a metal shaft, the handle and the multi-pole contact are both sleeved on the metal shaft, the driving shaft is installed on the handle, the metal shaft is used as a linkage piece, the handle, the multi-pole contact and the metal shaft are in synchronous linkage, and the linkage consistency is good.

The invention relates to the technical field of optical lens calibration and testing, in particular to a continuous zoom lens focal length automatic calibration device which comprises a bearing plate, a fixing plate arranged on the surface of the bearing plate and an image sensor fixedly arranged on the surface of the fixing plate. A focal length target adjusting mechanism and a target regulation and control mechanism are arranged on the upper surface of the bearing plate; through cooperation of a plurality of components in the focal length target adjusting mechanism, when the lens continuously zooms, the driving motor is started, so that the driving shaft drives the connecting rod and the lens assembly to move, meanwhile, through meshing of the driving gear, the threaded rod drives the target unit to synchronously move, and therefore the lens assembly and the target unit synchronously move; the long-focus lens is matched with a farther object distance, the short-focus lens is matched with a closer object distance, and based on the trigger switch, when the connecting rod is in contact with the trigger switch, the lens assembly is started to shoot, the shot image is displayed on the image sensor, and the focal length is automatically calibrated.

The application relates to the technical field of plastic sealing equipment, and discloses an intelligent TSM plastic packaging ultrasonic sealing device, which comprises a sealing machine main body, a welding head arranged at the bottom of the sealing machine main body, and a pressing head arranged at one end of the sealing machine main body close to the welding head, and further comprises an adjusting mechanism arranged at the bottom of the pressing head close to the welding head side; the adjusting mechanism comprises an outer shell arranged at the bottom of the pressing head close to the welding head side, a sleeve arranged in the outer shell, the two ends of the sleeve are rotationally connected with the inner wall of the outer shell, a plurality of expansion holes in annular array are arranged on the outer wall of the sleeve, a damping strip is arranged on the inner wall of the expansion hole, a rotating block is arranged at one end of the sleeve away from the expansion hole, a plurality of tooth rings in linear array are arranged on the outer side of the damping strip, and a limiting ring is arranged on the side of the tooth ring away from the rotating block. Through the adjusting mechanism, the thickness of the plastic sealing line at different positions can be adapted, the stress at different positions can be uniformly guaranteed, and the sealing pressure can be adjusted.

The utility model relates to medical instrument technical field discloses a cheek tongue mucosa protection device, including blade foot, the upper end fixed mounting of blade foot has connecting rod, the one end of connecting rod is away from blade foot and is with handle swing installation through quick -release component, the outer wall fixed sleeve of handle has the protective sleeve, the outer wall evenly distributed of protective sleeve has antiskid convex stripe, the back of blade foot is hinged to one -numbered protection board through first hinge. The utility model through the cooperation between blade foot, handle, protective sleeve and antiskid convex stripe, utilize the setting of antiskid convex stripe, realized the contact action of staff hand and handle, effectively solved the problem that handle slips in the hands of medical staff because of the smooth surface, adopt the mode that antiskid convex stripe and staff hand directly contact, increased the friction of handle and medical staff hand contact surface, thereby reinforced the stability of protection device in the use process.

The utility model discloses an egg cleaning device belongs to egg processing technical field, including frame, the upper rear side fixed mounting of frame has backplate, be provided with a plurality of cleaning assemblies, moving mechanism and drive module in proper order on the backplate, drive module is connected with moving mechanism, moving mechanism is used for driving drive module linear motion on the backplate, the cleaning assembly is used for the cleaning operation of egg, the top of frame is provided with transmission mechanism, is provided with a plurality of turnover mechanism on transmission mechanism, and the turnover mechanism is used for the placement movement and turns over of egg, drive module is used for driving turnover mechanism movement, transmission mechanism can drive a plurality of turnover mechanism and carry out the rotation movement, place egg neatly in the inside of turnover mechanism, when transmission mechanism drives turnover mechanism to pass through cleaning assembly, realize the efficient cleaning operation of egg.

The invention provides extrusion foaming equipment which comprises a double-screw extrusion device, a feeding device, a single-screw extrusion device and a fluid conveying device, the double-screw extrusion device comprises two first screws, and the two first screws are arranged in parallel and rotate in the same direction; the feeding device is configured to convey a foaming material to one end of the double-screw extrusion device; the single-screw extrusion device is communicated with the other end of the double-screw extrusion device, the single-screw extrusion device comprises a second screw, a thread section of the second screw is provided with a reverse groove structure, and the rotation direction of the reverse groove structure is opposite to that of a thread line of the second screw; and the fluid conveying device is configured to convey liquid gas to the double-screw extrusion device.

The utility model discloses a flax fiber processing and wire arranging device, and belongs to the technical field of wire arranging. The flax fiber processing and thread arranging device comprises a trapezoidal thread arranging frame, a thread separating assembly is arranged at the large end of the thread arranging frame, and a kneading and pressing assembly is arranged on the upper portion of the interior of the thread arranging frame; the kneading and pressing assembly comprises a kneading and pressing plate located in the wire arranging frame, the lower end face of the kneading and pressing plate is fixedly connected with a silica gel plate with the lower end face in an inclined state, by moving the kneading and pressing plate downwards, the inclined face of the silica gel plate can be attached to the gathered and dispersed linen fiber rope sets at the same time, and all-around contact can be achieved regardless of the thickness of the fiber rope sets; and no dead angle exists in kneading and covering, and a uniform raw material basis is provided for subsequent processing. The motor drives the stirring block to rotate, the kneading and pressing plate is driven to horizontally move in a reciprocating mode under the constraint of the limiting groove and the limiting column, the silica gel plate continuously kneads and presses the linen fiber rope, bonded fibers are effectively pressed to be scattered, local hardening is reduced, the filling power of the fiber rope is improved, and follow-up processing can be better carried out.

The application discloses a drill arm assembly for ground drilling, which comprises a first movable arm, a first amplitude adjusting driving mechanism, a second movable arm, a second amplitude adjusting driving mechanism, a drill stand, a mounting rack and a lifting driving mechanism. The first movable arm is used to drive the telescopic arm to extend or retract relative to the first movable arm. The first amplitude adjusting driving mechanism is used to adjust the angle of the first movable arm. The second movable arm is rotatably connected to the telescopic arm. The second amplitude adjusting driving mechanism is used to adjust the angle of the second movable arm. The drill stand is connected with the second movable arm through a second telescopic driving mechanism. An anchor inserting rod is mounted at one end of the drill stand. The mounting rack is movably mounted on the drill stand. The lifting driving mechanism is used to drive the mounting rack to move relative to the drill stand. The two angle-adjusting mechanisms are combined to make the second movable arm be able to be adjusted to be perpendicular to the ground within a certain height range. In addition, the drill stand is lifted to make the bottom of the drill stand contact with the ground instead of being suspended, and the anchor inserting rod is inserted into the ground. Therefore, the structural stability during drilling is improved, and the vibration during drilling is reduced.

The utility model relates to a pump, including shaft and bearing, bearing cover is located in the shaft outside, the pump still includes: limiting piece, limiting piece is equipped with mounting hole, limiting piece cover is located in the end of shaft and is with the clearance cooperation of shaft, limiting piece is located bearing one side, and limiting piece is first plane close to the one end of bearing, and limiting piece is integral structure, volute, including stop portion, stop portion is equipped with stop hole, limiting piece part is located in stop hole, and can with the inner wall contact of stop hole, the side of limiting piece in stop hole is the part of spherical surface, and the position that the inner wall of stop hole contacted with limiting piece is the part of spherical surface. When water pump works, the end surface of bearing is pressed to limiting piece when bearing bears axial force, limiting piece will utilize the spherical surface of limiting piece and the spherical surface of stop hole and carry out automatic alignment and deviation correction under the action of force, and then realize the end surface of bearing and the first plane of limiting piece complete contact. Limiting piece is integral structure, and the processing cost is low, and the installation is convenient.

The utility model discloses an integrated shielded wire-to-board connector module, which relates to the technical field of connectors and comprises a seat body, the surface of the seat body is provided with a through hollow groove, two ends of the seat body are fixedly connected with limiting mechanisms, and the inner wall of the seat body is fixedly connected with a wiring terminal for wiring. When the device needs to be connected with more integrated shielded wires, the other device can be integrally in butt joint with the first device, the buckles of the two devices are clamped with the clamping grooves, the copper connecting plate is in contact with the copper butt joint plate, and due to the arrangement of the copper convex balls, when the wiring terminals of the two devices are connected, the copper convex balls can be clamped with the clamping grooves, so that the wiring terminals of the two devices can be connected with the copper butt joint plate. The copper convex ball extrudes the C-shaped bend of the copper plate, and the bending of the C-shaped bend after being extruded pushes the copper butt joint plate to be in close contact with the copper convex ball, so that the contact of the wire terminals between the two devices is realized, and the whole new device can be connected with more integrated shielding wires; the problem that an existing integrated shielded wire-to-board connector module is low in applicability is solved.

The utility model provides an experimental device for measuring the displacement of a circular tube type piezoelectric actuator, which relates to the technical field of precise micro-displacement measurement and comprises a base consisting of a bottom plate and a side plate, a circular tube type piezoelectric actuator support, a micro-feeding platform and an inductance measuring head support for placing an inductance measuring head, the circular tube type piezoelectric actuator support is used for positioning one end of the piezoelectric actuator, an arc groove is formed in the top end of the circular tube type piezoelectric actuator support, the circular tube type piezoelectric actuator is placed on the circular tube type piezoelectric actuator support, the inductance measuring head support is installed on the micro-feeding platform, and the inductance measuring head is driven by the micro-feeding platform to move. The problem that a circular tube type piezoelectric actuator is prone to toppling during measurement is solved, and the stability and accuracy of measurement are improved. Meanwhile, the micro-feeding platform is adopted to drive the inductance measuring head to carry out zero setting, the zero setting time is greatly shortened, the measuring efficiency is improved, and the whole experimental device is simple in structure and convenient to operate.

The utility model discloses a connector and a connector assembly. The connector comprises a housing, a base station and a terminal assembly. The shell comprises a pair of first side plates which are transversely and oppositely arranged, a bottom plate and a top plate which are oppositely arranged in the thickness direction, and a tail plate, and a cavity with an opening is jointly defined by the structures; the base station is arranged in the cavity and is provided with an accommodating groove; the terminal assembly is fixedly connected to the tail plate and is provided with a first elastic arm and a second elastic arm, and the first elastic arm and the second elastic arm are arranged in the accommodating groove and are respectively provided with a first contact part and a second contact part; the flexible flat cable is installed in the connector through a pressing piece and comprises a plugging part and a contact layer. The pressing piece is inserted into the containing groove in the longitudinal direction, drives the first elastic arm and the second elastic arm to move in the thickness direction, and enables the first contact part and the second contact part to be electrically connected to the contact layer. The connector prevents the flat cable and the terminal plating layer from being scratched and worn, prolongs the service life of the connector and the flat cable, and is stable and firm in connection.

The utility model discloses a charging gun convenient to separate from a gun seat, which belongs to the technical field of charging guns, and comprises a first mounting plate, a charging gun body is arranged on the first mounting plate, a second mounting plate is lapped below the first mounting plate, the gun seat is arranged on the second mounting plate, a snap ring is arranged on the second mounting plate, and the first mounting plate and the second mounting plate are in lap joint. A clamping groove is formed in the lower portion of the first mounting plate. According to the charging gun convenient to separate from the gun base, through the arrangement of a movable rod, an extrusion wheel, an arc-shaped clamping plate, a fixed plate, a positioning rod and a positioning hole, under the mutual cooperation of the movable rod, the extrusion wheel, the arc-shaped clamping plate, the fixed plate, the positioning rod and the positioning hole, the situation that after a wire is wound, the charging gun body and the gun base are difficult to separate and put in order again is further avoided; and meanwhile, the contact and separation of the positioning rod and the positioning hole can be realized only by controlling the rotation of the movable rod, so that the charging gun body and the gun base are simple and convenient to mount and dismount, and the overall practicability is effectively improved.

This application relates to the field of solar cell technology, providing a welding press and apparatus, a cell module and welding method, and a photovoltaic system. The welding press is used to press a solder strip placed on a solar cell. The solar cell includes an insulating layer and multiple solder joints. The insulating layer has multiple openings, and the solder joints are located in the openings. The top of the solder joint is lower than the top of the insulating layer, forming a groove with the insulating layer. The welding press includes a pressure plate and a filler. When the welding press presses the solder strip and the solar cell, the filler presses the solder strip above the solder joint into the groove, causing the solder strip to contact the solder joint. Thus, because the filler presses the solder strip above the solder joint into the groove, making the solder strip contact the solder joint, it avoids the gap between the solder strip and the solder joint caused by the top of the solder joint being lower than the top of the insulating layer, thereby achieving contact between the solder strip and the solder joint and improving welding defects.

This utility model discloses a film chip removal device, belonging to the technical field of film processing equipment. The device includes two opposing fixed seats, with at least two chip-collecting rollers movably connected between them. The two rollers can move towards or away from each other to press or loosen the film. It also includes a chip removal device, which includes an exhaust pipe mounted on the fixed seats. The exhaust pipe's outlet is connected to a fan, and its inlet is connected to a suction pipe via an airflow channel located inside the fixed seats. The suction pipe is fixed between the two fixed seats, and its side wall has a suction port with an arc-shaped plate installed on the inner side wall of the fixed seats. This utility model, through the combined use of the chip-collecting rollers and the chip removal device, can effectively remove debris from the film surface, improving film processing quality. Furthermore, its reasonable structural design results in excellent chip removal performance.

The application provides an irradiated fuel assembly grid oxide film detection device, relates to nuclear power fuel pool edge detection technology, and specifically discloses a mounting base, a guide rail frame, a mounting frame, a position adjusting structure, a probe frame and a probe structure. The mounting frame is provided with a position adjusting seat and a driving structure, the two are made close to or away from each other through a sliding connection mechanism, and self-adaptive coating detection of the grid oxide film surface is realized. The position adjusting structure controls the axial movement of the mounting frame to cover all the to-be-detected areas. The driving structure converts the linear motion of the position adjusting seat into the radial motion of the probe frame, so that the probe always keeps in close contact with the grid oxide film surface, and the probe structure can contact or separate from the grid oxide film surface to realize scanning detection.

A PTC thermistor ceramic resistance testing device includes an insulating base, a gantry frame, a transverse module, a lifting module, an insulating adsorption block, and a thermistor ceramic conveyor line. Unlike the traditional method of testing thermistor ceramic sheets one by one, this invention can batch-grab and test multiple sheets at the same time. The probe is placed in the negative pressure suction nozzle, adsorbing the thermistor ceramic sheet. At the same time, the upper probe moves down and abuts the upper end face of the thermistor ceramic sheet due to the negative pressure overcoming the spring force. As long as the thermistor ceramic sheet can be successfully adsorbed, there is no need to adjust its position and angle. This eliminates the need for centrifugal sieving and arranging of the thermistor ceramic sheets, and the contact between the upper probe and the thermistor ceramic sheet can be achieved. Then, the slide cylinder moves it to the top of the lower probe, and the three-axis cylinder pushes down the insulating adsorption block adsorbing the thermistor ceramic sheet until the lower probe abuts the lower end face of the thermistor ceramic sheet, forming an electrical circuit to measure the current and calculate the resistance value.

This utility model relates to the field of steel dam gate technology, and in particular to a hydraulic steel dam gate with a sand-clearing structure. It includes a steel dam gate mechanism for sand clearing. The steel dam gate mechanism includes: a main component comprising guide rails fixed at both ends of the inner wall of a frame, with a gate slidably installed between the guide rails; and a sand-pushing component comprising a push plate located at the lower end of the inner wall of the frame, a guide frame fixed to the push plate and penetrating the frame, a shaft rotatably installed inside the outer end of the guide frame, and first hydraulic cylinders installed at both ends of the outer wall of the frame. A guide seat is fixed at the output end of the first hydraulic cylinder, and a guide groove is provided inside the guide seat, with the shaft located inside the guide groove. The sand is first pushed to the center by the sand-pushing mechanism, and then collected and removed by a flipping scraper. Automated sand clearing is achieved through hydraulic drive, ensuring no sand accumulation at the bottom when the gate is closed, thus guaranteeing sealing and avoiding motion interference, significantly improving operational reliability.

The application relates to the field of plastic pipe production equipment, in particular to a corrosion-resistant insulating plastic pipe and a preparation process and device thereof. The device comprises a motor, a feeding pipe is connected to the right side of the motor in a penetrating mode, a rotating shaft is rotationally connected to the center of the feeding pipe, the rotating shaft is fixedly connected to the motor, a heating seat is arranged in the middle of the feeding pipe, a positioning disc is fixedly connected to the right side of the feeding pipe, a pulling structure is movably connected to the right side of the rotating shaft, a butt joint structure is movably connected to the right side of the pulling structure, a cooling structure is fixedly connected to the right side of the butt joint structure, a fixed pushing structure is arranged in the center of the pulling structure and the butt joint structure, and a plastic pipe is slidably connected to the center of the cooling structure. Through the arrangement of the pulling structure, the purpose of automatic butt joint pulling of the plastic pipe is achieved.

The application relates to the field of clothes finishing devices, in particular to an auxiliary clothes folding board which comprises a top folding flap, a connecting frame parallel to the top folding flap is arranged at the bottom of the top folding flap, a positioning group is bolted on one side of the connecting frame, lateral folding flaps are hinged on the two sides of the connecting frame, and a bottom folding flap is hinged at the tail of the connecting frame. The application has a good positioning and supporting mechanism and improves the folding precision.

This invention discloses an automatic inspection system for drone nests, a drone, and an inspection system. The system includes a nest housing with two symmetrically mounted uprights on one side. Four electrically operated sliding rails are symmetrically arranged on opposite side walls of the two uprights. The advantages are as follows: Through the design of the electric telescopic rod, landing gear, and cable tray, the motor drives the drive gear on the rotating shaft to rotate, which in turn drives the driven gear to rotate the wire roller. This, combined with the reciprocating movement of the electric slide block at the bottom of the electric sliding rails, effectively achieves uniform winding of the wire on the wire roller, ensuring heat dissipation while effectively preventing the wire from becoming cluttered and stacked. Furthermore, the design of the remote control storage box allows the limiting plates on the electric sliding rails to move relative to the remote control during storage, ensuring contact between the elastic rubber pad and the four sides of the remote control. This provides protection for the remote control while facilitating easy access.

The utility model discloses a push type overload protection switch, comprising a housing; a side cover; pressing the bracket; a longitudinal sliding block is installed at the top of the pressing support, a plurality of supporting springs are arranged between the longitudinal sliding block and the shell, a horizontal sliding block is installed at the bottom of the longitudinal sliding block, a sliding block spring is installed between the horizontal sliding block and the longitudinal sliding block, and a seesaw hinged to the interior of the shell is arranged below the horizontal sliding block. A hook piece connected with the bimetallic strip is hinged to the lower portion of one end of the seesaw. The pressing type overload protection switch is reasonable in structural design, the longitudinal sliding block is pressed to drive the horizontal sliding block to move downwards, the supporting feet at the bottom of the horizontal sliding block eject the tilted side of the seesaw to turn over downwards, the hook piece installed on the seesaw drives one end of the bimetallic strip to turn over up and down, and the bimetallic strip turns over upwards and downwards. The movable contact piece in the middle of the bimetallic strip is turned up and down in the opposite direction, so that contact and separation of the movable contact piece and the static contact piece are achieved, work is stable, and convenience and practicability are achieved.

The utility model discloses a multi-pole ignition device of an impulse voltage generator, and relates to the technical field of impulse voltage generators. The multi-pole ignition device of the impulse voltage generator comprises a bottom plate and an impulse voltage generator body arranged above the bottom plate, and a connecting mechanism and an ignition mechanism are arranged above the bottom plate; the connecting mechanism comprises a mounting part and a moving part; the mounting part comprises a connecting frame and a supporting block; the moving part comprises two lifting frames and two groups of moving wheels; the device has the technical effects that the nut in the connecting mechanism rotates to drive the control frame to move along the first threaded rod, so that the lifting frame descends or ascends, and the moving wheels are in contact with or separated from the ground. By means of the design, the problem that a traditional impulse voltage generator is inconvenient to move is effectively solved, a large amount of manpower and material resources do not need to be consumed during equipment installation and site transfer, and the flexibility and applicability of the device are greatly improved.

This utility model discloses a rapid stripper for the insulation layer of power cables, including a base; it also includes: a positioning bracket fixedly connected to one side of the top surface of the base, and a guide seat provided in the middle of the positioning bracket; wherein, a stripping frame is fixedly connected to the middle of the top surface of the base, a cutting blade is fixedly connected to one side of the top bottom surface of the stripping frame, a guide plate is provided on one side of the cutting blade, and a separation plate is fixedly connected to one side of the guide plate; wherein, a support seat is provided below the separation plate, a separation frame is fixedly connected to one end of the support seat, an overlap block is slidably connected to one side of the separation frame, a cam is slidably connected to the bottom of the overlap block, and a friction roller is fixedly connected to the middle of one side of the cam. The friction roller drives the cam to push the overlap block to rise, and the overlap block, guide plate, and separation plate promote the unfolding of the outer insulation layer, promote the separation of the cable core from the outer insulation layer, and make the stripping efficiency of the power cable insulation layer higher.

The application provides a railway flat car end wall structure and a railway flat car, and relates to the technical field of railway flat cars, which comprises the following steps: detachably connecting the lower end of an end wall body with the end floor of a railway flat car; and arranging an upper locking mechanism and a lower locking mechanism on the outer side of the end wall body from top to bottom at intervals. The upper locking mechanism comprises a first rotating shaft rotatably connected with the end wall body, and the two ends of the first rotating shaft are respectively provided with an upper locking hook and a first operating handle. The middle part of the first rotating shaft is provided with a first crank. The lower locking mechanism comprises a second rotating shaft rotatably connected with the end wall body, and the two ends of the second rotating shaft are respectively provided with a lower locking hook and a second operating handle. The middle part of the second rotating shaft is provided with a second crank. A first connecting rod is connected between the first crank and the second crank. The application solves the problem of poor transport protection capability of the railway flat car in the prior art, and meets the transport requirements of goods that need to be protected from rain, sunlight and secrets.

This utility model discloses a testing device for the mechanical characteristics and circuit resistance of a lower disconnect switch, relating to the field of lower disconnect switch testing technology. The device includes a frame; a support assembly is provided inside the frame; the support assembly includes a fixed plate fixedly installed with the frame; two symmetrical transverse slide rails are provided on the fixed plate; a carrier plate is movably mounted on the transverse slide rails via sliders; limit blocks are fixedly installed at the four corners of the carrier plate; double-round-head through slots are provided on both the carrier plate and the fixed plate; multiple limit blocks are installed in conjunction with the lower disconnect switch; a robot gripper places the lower disconnect switch into the limit blocks at the top of the carrier plate, effectively ensuring the accuracy of the lower disconnect switch's position during placement. After placement, the robot sends a signal for the next action, and the lower disconnect switch is manually pushed to one side of the housing to achieve a dynamic sealing connection between the lower disconnect switch and the break-in control mechanism.