2137results about How to "Quick change" patented technology

The invention discloses a multi-point monitoring flexible temperature sensor array system for a deep sea environment. The multi-point monitoring flexible temperature sensor array system comprises a sensing node array composed of a plurality of sensing nodes, a plurality of flexible interconnection wires and a master control node, all the sensing nodes are connected in series through flexible interconnection wires and then are electrically connected with the master control node. The sensing node comprises a ratio type temperature measurement module and a 1-Wire bridging chip, the master control node comprises a 1-Wire master control chip and an MCU, and the flexible interconnection wire is a snakelike wire; the ratio type temperature measurement module collects a sampling signal and transmits the sampling signal to the 1-Wire master control chip through the 1-Wire bridge chip. And the MCU obtains the temperature at the node according to the sampling signal of each sensing node. The flexible temperature sensor array system provided by the invention is simple in structure, stable in performance and insensitive in pressure, and can reliably realize multi-point temperature real-time monitoring in a deep sea environment.

The invention discloses a roadway tunneling and conveying all-in-one machine with impact cutting teeth for assisting rock breaking. The roadway tunneling and conveying all-in-one machine comprises a walking mechanism, a main machine body, a material conveying mechanism, a material receiving mechanism, a multi-dimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism. Cutting tooth units distributed along a spiral track are arranged on the surface of the cutting head mechanism, energy storage rebound mechanisms are arranged in the cutting tooth units, impact inertia kinetic energy is stored and released through multi-layer irregular arrangement of balls, secondary rock breaking is achieved, and the cutting efficiency and the hard rock adaptability are improved. The multi-dimensional adjusting mechanism expands the operation range through cooperation of a rotating base, a hydraulic cylinder and a hydraulic telescopic rod. The material receiving mechanism comprises an angle-adjustable material containing plate and symmetrically-arranged material sweeping wheels, the material sweeping wheels buffer a material pushing plate through springs to avoid collision damage, and an auxiliary feeding mechanism is arranged to enhance the material conveying continuity. Impact kinetic energy is recycled, the cutting range is flexible and adjustable, efficient collection and conveying of materials are integrated, and the device is suitable for high-hardness rock stratum roadway tunneling.

The utility model provides a crimping module, comprising an opening and closing type driving mechanism which comprises a first driving end and a second driving end, and the first driving end and the second driving end are configured to synchronously drive so as to move towards each other or in opposite directions; the upper crimping assembly and the lower crimping assembly are symmetrically arranged in the vertical direction and are respectively mounted on the first driving end and the second driving end, each of the upper crimping assembly and the lower crimping assembly comprises a fixed part, a floating part and a buffer structure connected with the fixed part and the floating part, a probe is arranged in the fixed part, and the floating part is provided with a through hole for the probe to pass through; when the upper floating part and the lower floating part are in contact with the product to be crimped, compression continues to enable the buffer structure to generate elastic deformation, the floating parts stop moving, and the fixing part continues moving until the upper probe and the lower probe penetrate through the through holes to be in contact with the surface of the product. Through the innovative design of the fixing part, the floating part and the buffer structure, the electronic paper can be pre-flattened before crimping operation, so that the problem of inaccurate crimping alignment caused by bending and warping of the electronic paper is effectively solved.

The application provides a slitting device for aluminum strip production and a working method thereof, and relates to the technical field of aluminum material production equipment. The slitting device comprises an unwinding mechanism, a slitting mechanism and a winding mechanism. The slitting mechanism comprises a slitting frame, and two groups of slitting assemblies are arranged on the slitting frame. The slitting assembly comprises a lifting frame which is arranged along the width direction of the slitting frame and is vertically slidably installed. A knife mounting assembly is arranged on the lifting frame and slides along the length direction of the lifting frame. A plurality of disc cutters are arranged on the knife mounting assembly along the sliding direction of the knife mounting assembly, and the slitting distances between adjacent disc cutters are the same. When the plurality of disc cutters in the two groups of slitting assemblies are correspondingly matched, the slitting assembly close to the unwinding mechanism works, and the slitting assembly close to the winding mechanism is in standby. When the plurality of disc cutters in the two groups of slitting assemblies are arranged at intervals along the width direction of the slitting frame, the two groups of slitting assemblies work simultaneously. The application can quickly adjust the slitting distance, meet the slitting requirements of aluminum strips of more specifications, ensure the adjustment accuracy and improve the adjustment efficiency.

The utility model discloses an automatic probe mechanism component of a numerical control machine tool, which relates to the technical field of automatic detection of machine tools and comprises a machine tool ram, one end of the machine tool ram is detachably connected with an L-shaped fixing plate, the lower end of the L-shaped fixing plate is detachably connected with a marble base, and the lower end of the marble base is detachably connected with a linear module. Circular double guide rails are arranged in the linear module, a movable sliding plate is arranged between the two circular double guide rails, a probe seat is detachably connected to the lower end of the movable sliding plate, a probe is arranged on one side of the probe seat, and a headless screw used for fixing the probe is arranged at the lower end of the probe seat. According to the automatic probe mechanism component of the numerical control machine tool, the probe base is converted to the horizontal plane through the L-shaped fixing plate, and meanwhile, the stability of a probe mounting track is effectively improved under the cooperation of the marble base station; the telescopic design effectively protects the waterproofness and safety of the probe, and further improves the detection precision of the probe.

The utility model relates to powder conveying technical field especially is concerned on a kind of catalyst carrier powder conveying equipment;Including the hopper of cone angle ≥70 °, the roughness Ra of the inner wall surface of hopper ≤0.4 μm, pneumatic flow-aiding ring is set in the height ≤1 / 3 cone height of hopper lower part and the height from discharge port, and the annular air cavity of pneumatic flow-aiding ring is connected outside gas source;Pneumatic flow-aiding ring circumferentially distributes first nozzle group and second nozzle group, and the jet direction of first nozzle group is inclined upwards along hopper inner wall, for fluidizing powder layer in advance;The jet direction of second nozzle group is inclined downwards along hopper inner wall, for promoting powder slip.

The application relates to an intelligent isolation bearing online monitoring system, an installation process and a monitoring method. The system integrates force value, angular acceleration and displacement monitoring functions on the basis of an isolation bearing, is composed of an upper sealing plate, a rubber body, a lower sealing plate and a monitoring system, is used for simultaneously monitoring vertical loads transmitted from an upper building to a lower foundation and angular acceleration and horizontal displacement of the isolation bearing, and is composed of a ring-shaped pressure sensor, an inertial measurement unit (IMU), a displacement sensor, a data acquisition and transmission module, a cloud server and a monitoring platform. The system adopts a full-sensor external modular structure, is matched with a six-order Kalman fusion algorithm, a multi-parameter coupling early warning criterion, an IMU dynamic drift calibration model, and a special pre-tightening and anti-loosening installation process, is suitable for various working conditions, realizes synchronous acquisition of multi-dimensional parameters of a bearing, data noise reduction fusion and fault grading early warning, and can realize real-time monitoring of stress, angular acceleration and displacement states of a building isolation bearing.

The utility model discloses an oxygen -enriched bottom -blowing smelting furnace structure, include: base, the top surface symmetrical fixed connection of base has the support, smelting furnace main part, and the both ends of smelting furnace main part are respectively sleeved and have the closed cylinder, and the closed cylinder rotation is connected on the support, and the end plate is fixed in the closed cylinder end, and the rotating assembly is arranged between the closed cylinder and smelting furnace main part, and the closed cylinder bottom is installed with the discharge gate in rear end, and the smelting furnace main part is opened with the discharge port, transmission mechanism, and transmission mechanism includes transmission assembly and support component, cooling module, and cooling module is arranged in smelting furnace main part, and the air inlet spray head, and the air inlet spray head detachable connection is in the bottom of smelting furnace main part, and monitoring module, and monitoring module is installed in smelting furnace main part. The oxygen -enriched bottom -blowing smelting furnace can pass through the furnace body rotation and bottom -blowing oxygen -enriched and promote the reaction efficiency and the uniformity, and the utility model discloses can pass through the furnace body rotation and bottom -blowing oxygen -enriched and promote the reaction efficiency and the uniformity, and have efficient, easy maintenance, safe and stable and environmental protection adaptability.

The utility model discloses a pipe clamp with a self-adaptive pipe diameter, which belongs to the field of pipe clamps, and comprises a support leg, a plurality of pipe clamps and a plurality of pipe clamps, and the self-adaptive pipe clamp component is used for clamping the to-be-clamped pipeline. According to the pipe clamp with the self-adaptive pipe diameter, the self-adaptive pipe clamp components are arranged, firstly, a pipeline to be clamped penetrates through the two sets of self-adaptive pipe clamp components, when the pipeline penetrates into the self-adaptive pipe clamp components, the two sets of pipe clamp molds can be extruded to be away from each other, the two sets of sliding rods move outwards, and springs are compressed, so that the pipeline to be clamped is clamped. The self-adaptive pipe clamp component can be used for self-adaptively clamping pipelines with different calibers, and the pipe clamp mold can be quickly replaced in a sliding clamping manner through the embedded plate and the upper clamping plate, so that the overall universality is improved, and the adjusting component is arranged, so that the pipe clamp mold can be quickly replaced. The distance between the two sets of self-adaptive pipe clamp components can be adjusted, and pipelines with different lengths can be clamped and used.

This utility model discloses a polypropylene extrusion molding device, relating to the field of plastic molding technology. The polypropylene extrusion molding device includes a polypropylene extrusion unit with a feed inlet. A first motor is fixedly connected to one end of the polypropylene extrusion unit, and a support frame is fixedly connected to the bottom of the polypropylene extrusion unit. When it is necessary to change to a different specification mold, the current to the magnetic conductor coil is cut off, causing the magnetic conductor to lose its magnetism and the magnetic attraction between it and the permanent magnet inside the mold to dissipate. At this time, the old mold can be directly removed. After replacing it with a new specification mold, the new mold is placed against the sealing plate and aligned with the extrusion hole. The magnetic conductor coil is then energized, causing it to regain its magnetism and re-establish magnetic attraction with the permanent magnet inside the new mold. The entire process requires no additional mechanical fixing structure; mold replacement can be quickly completed simply by switching the current on and off, significantly improving the device's adaptability to different product specifications.

The utility model relates to concrete technical field discloses fly ash content concrete's test simulation cabin that can simulate underground environment, including cabin body, the inside bottom wall of cabin body equidistance is opened with a plurality of ponding holes, the outer wall right side of cabin body is fixedly connected with fixed plate, the top wall of fixed plate is fixedly connected with water pump, one end of water pump is communicated in the outer wall right side middle lower portion of cabin body, the other end of water pump is fixedly connected with water pipe, water pipe is communicated in the outer wall right side middle upper portion of cabin body, the inside top wall of cabin body is installed with the shower head equidistance. In the utility model, motor drive connecting shaft rotates, connecting shaft drives gear no.

The invention relates to the technical field of wire and cable processing equipment, in particular to a wire and cable copper wire drawing machine which comprises a machine table and the like, a pay-off device, a fixing plate and a pull rod are sequentially and fixedly mounted on the machine table from left to right, a wire drawing box is slidably connected to the position, close to the pull rod, of the machine table, and a fixed wire drawing module is fixedly connected to a side plate of the wire drawing box; the top end of the wire drawing box is fixedly connected with a lubricating liquid box, a hand pressure valve is installed between the wire drawing box and the lubricating liquid box, the hand pressure valve is connected with the fixed wire drawing module through a liquid pipe, and the hand pressure valve makes contact with the pull rod. Through the cooperative design of the hand pressure valve and the pull rod, automatic conveying control over lubricating liquid is achieved, in the wire drawing process, along with movement of the wire drawing box, the hand pressure valve is automatically opened, the lubricating liquid is accurately conveyed to the position where the wire drawing module is fixed, timely and effective lubrication is provided for a copper wire, and friction and abrasion between the copper wire and the wire drawing module are reduced.

This utility model discloses a liquid crystal panel moving testing fixture, belonging to the field of liquid crystal panel testing technology. The fixture includes a mounting platform, a guide rail fixed to the mounting platform, a probe holder slidably mounted on the guide rail, a removable elastic probe inserted into the probe holder, a clamping block that elastically presses a flexible circuit board against the rear end of the probe, and a mounting platform for supporting and fixing the liquid crystal panel. The front end of the probe is pressed against the detection point of the liquid crystal panel, and the other end of the flexible circuit board is connected to an external testing circuit via a piano cover, forming a quickly replaceable testing path. This utility model utilizes the cooperation between the elastic probe and the clamping block to achieve a highly reliable, low-contact-resistance electrical connection; the probe holder as a whole can move along the guide rail to adapt to different testing positions; the pluggable probe structure facilitates maintenance, significantly improving testing efficiency and reducing testing costs.

The utility model discloses a wallboard assembly structure and assembled house relates to the related technical field of decorating wallboard, a wallboard assembly structure, including wallboard, the periphery of wallboard is connected with support frame, and the side of support frame is fixedly connected with crosspiece, and the sliding connection of crosspiece has outer plate, and outer plate and support frame are fixedly connected through bolt, and bolt penetrates support frame and embeds outer plate, and the side of support frame away from crosspiece is connected with inner plate, and inner plate covers bolt, the utility model discloses through the " sliding - locking " installation of outer plate, need not repeatedly start nail, and staff can replace fast, and the repeated use rate of board is high, the bolt head is completely screened by inner plate, and the hidden danger of exposed sharp edge and corrosion is eliminated, and the appearance is neat, and the maintenance is safe, and the wallboard assembly structure three -dimensional buckle stacks, and the floor board modularization plug -in, and the whole house builds without welding, and two people can complete, and satisfy temporary building, mute office, and the high -frequency change dress scene of exhibition.

The utility model relates to the technical field of smoke exhaust hood, propose an environmental protection type stainless steel smoke exhaust hood, including cover and cover, still include: oil absorption paper, transmission mechanism and semiconductor refrigeration plate, the both sides of cover are all seted up with the sliding slot, oil absorption paper sets up in two sliding slots, is used for the oil adsorption in the oil fume, transmission mechanism sets up in the cover, semiconductor refrigeration plate passes through refrigeration mechanism and sets up in the cover, transmission mechanism includes: transmission shaft, drive rod, handle and support frame, transmission shaft is equipped with two, two transmission shafts are rotatably connected at the both sides of cover, two sliding slots are located above two transmission shafts respectively, and both ends of oil absorption paper are wound on two transmission shafts respectively, one end of drive rod is fixedly connected in one of transmission shafts, through above technical scheme, for the problem that a large amount of oil smoke is easy to adhere in the smoke exhaust hood in the prior art, and high-temperature flue gas is discharged to the outdoor and is easy to cause influence to the surrounding environment, is more not environmental protection.

This invention discloses a setting device and method for wrinkle-resistant and non-iron-feeling functional fabrics, belonging to the field of garment fabric processing technology. It aims to solve the problems of unstable fabric conveying tension, uneven dyeing, easy wrinkling during cooling, and inconvenient replacement of supporting components in existing setting devices. The device includes a frame, drive box, drying box, dyeing box, cooling box, conveyor belt, servo motor, drive shaft, and placement assembly. The dyeing box is equipped with a liquid storage chamber, hemispherical protrusions, and arc-shaped clearance grooves, which can achieve uniform dyeing of the fabric and recover excess working liquid. The cooling pipes in the cooling box form a temperature gradient to prevent a sudden drop in fabric temperature. The placement assembly can maintain stable tension as the fabric decreases and can also disconnect the supporting component from the drive shaft when little fabric remains, ensuring the conveying of the remaining fabric. It also facilitates the disassembly and replacement of the supporting component. This device is mainly used for setting processing of wrinkle-resistant and non-iron-feeling functional fabrics, improving setting quality and operational continuity, and reducing working liquid consumption.

The utility model provides a novel gap measuring device for measuring the gap between the bearing base and target conductor part belongs to the semiconductor integrated circuit manufacturing technology and industrial measurement field in high -end equipment manufacturing industry is used for placing on the bearing base in the vacuum cavity, including shell (7), circuit board (1), electrode part (2), processing module (3) and power supply circuit (8). Electrode part (2) and processing module (3) are all electrically connected on the circuit board (1), and electrode part (2) is electrically connected with processing module (3) through the circuit board (1), and electrode part (2) forms a capacitor with the target conductor part;At least power supply circuit (8) is arranged on the surface of shell (7), and power supply circuit (8) is at least electrically connected with electrode part (2) and processing module (3) respectively and supplies power to them.

The utility model discloses aluminum alloy ingot processing technical field specifically, and this is a kind of aluminum alloy ingot calendering device, the utility model includes conveying roller, the outside of conveying roller is provided with heating assembly, the upper end left side of conveying roller is provided with blanking plate, blanking plate is ramp type setting, the left side below of blanking plate is provided with calendering assembly, calendering assembly is located the left side below of conveying roller, the outside of blanking plate is provided with anti-offset mechanism. The utility model is through setting up convenient replacement mould mechanism, can be firmly to the mould used in calendering with Limit, to guarantee the stability of aluminum alloy ingot in the process of calendering, the component of mould limiting is moved simultaneously and is adjusted, and it is convenient to clamp and loosen mould, even to replace mould, can according to the production needs the mould of different shape can be quickly replaced, setting up anti-offset mechanism simultaneously, the position of aluminum material after heating can be corrected, make it can accurately blank into the inside of mould.

The utility model relates to the field of pipe caps, and discloses a corrosion-resistant and aging-resistant pipe cap which comprises a cap body, an insertion opening is formed in the pipe cap body, a pipeline is connected to the inner wall of the insertion opening in a sliding mode, a cleaning assembly is arranged in the pipe cap body, and a fixing assembly is arranged in the pipe cap body. A plurality of through openings are formed in the pipe cap body, plugging assemblies are arranged on the outer sides of the through openings, each fixing assembly comprises two pull rods, the outer sides of the pull rods are slidably connected to the interior of the pipeline, baffles are fixedly connected to the outer sides of the pull rods, inserting blocks are fixedly connected to the outer sides of the baffles, and springs are arranged on the outer sides of the pull rods in a sleeving mode. According to the utility model, through the mutual cooperation of the structures such as the pull rod, the baffle, the spring and the insertion port, the pipe cap main body can be quickly replaced and maintained, and complicated tools or tedious dismounting steps are not needed.

The utility model relates to rubber products processing equipment technical field discloses a kind of punching device for rubber products, including machine body, air cylinder, quick-release mechanism and clamping assembly.The quick-release mechanism utilizes spring drive locking plate to lock chuck equipped with cutter die, can be realized without tool quick replacement;The clamping assembly is provided with the slide column that can slide on machine body and the lower pressing plate driven by threaded rod, both can be through slide column clamping workpiece with mould base, also can be through lower pressing plate directly compacting plane workpiece, realize one machine two uses.The utility model effectively solves the problem that existing device changes mode is complicated, jig commonality is poor, with mode change fast, wide application range, clamping stable and reliable, the beneficial effect of high production efficiency.

This utility model relates to the field of abrasive technology and discloses an assembled diamond grinding wheel, including an output box and a handle. The handle is fixedly installed on the top of the output box, and a connecting block is fixedly installed on the bottom of the output box. An adjusting component is provided at the bottom of the connecting block. The adjusting component includes a positioning plate fixedly installed at the bottom of the connecting block, and two positioning bolts are fixedly connected to the bottom of the positioning plate. This utility model, through the setting of the positioning plate and the limiting plate, can control the plate material without continuous manual force during processing, thereby reducing hand fatigue and deviation caused by shaking. Furthermore, through the cooperation of the locking component and the fixing component, the grinding wheel can be quickly disassembled and replaced. When adapting to grinding wheels with different inner diameter specifications, there is no need to adjust the overall structure of the locking component and the fixing component; compatibility can be achieved simply by adjusting the opening range of the positioning block.

The application discloses a busbar structure of a comprehensive distribution box, relates to the technical field of busbar structures of distribution boxes, and is used for parallel connection of multiple circuit breakers and comprises a main conducting bar and multiple wiring terminals, further comprises a supporting base, a bracket, a spacing adjusting unit, a locking unit and a pressing unit, the spacing adjusting unit is used for adjusting the equidistant distribution distance between the multiple wiring terminals, the locking unit is used for locking the position of the spacing adjusting unit, and the pressing unit is used for locking the fitting position between the main conducting bar and the multiple wiring terminals. Advantages are that: the equidistant synchronous adjustment of the spacing between the wiring terminals is realized by the spacing adjusting unit to adapt to different circuit breaker specifications, and the independent detachable design of the wiring terminals is utilized to realize the quick replacement of single circuit breakers, so that the maintenance operation is greatly simplified while the mold opening cost and the inventory pressure are reduced, the problem that all normal circuits need to be removed due to the maintenance of a single circuit breaker is avoided, the power-off time is shortened, and the maintenance cost is reduced.

A peeler with a replaceable blade comprises a shell, the blade and an opening and closing piece, a connecting hole and a connecting groove are formed in the shell, an opening is formed in the connecting groove, connecting shafts are arranged on the left side and the right side of the blade respectively, the connecting shaft on one side of the blade is inserted into the connecting hole, and the connecting shaft on the other side of the blade is installed on the connecting groove from the opening of the connecting groove. The opening and closing piece is rotatably arranged on the shell, the position of the opening and closing piece corresponds to the position of the opening of the connecting groove, and the opening of the connecting groove can be closed and opened by rotating the opening and closing piece. According to the utility model, through the matching of the connecting groove and the opening and closing piece, a user can quickly open or close the opening of the connecting groove only by rotating the opening and closing piece, so that the disassembly and assembly of the blade can be realized, auxiliary tools are not needed, the structure is simple, the operation is convenient, and the quick replacement of the blade can be realized.

This utility model relates to the field of coolant filtration and discloses a concentrated coolant-composite filtration device with a quickly replaceable filter screen. The device includes a filter, a cooling water pipe fixedly connected to the top left side of the filter, a cooling plate installed outside the cooling water pipe, a cooling fan fixedly installed at the front end of the cooling plate, a filter screen cylinder placed inside the filter, a threaded sleeve fixedly connected to the center of the bottom of the filter screen cylinder, and a threaded opening at the top of the filter. This concentrated coolant-composite filtration device with a quickly replaceable filter screen filters particulate impurities contained in the coolant through the filter screen cylinder. Simultaneously, a magnetic rod inside the filter screen cylinder can adsorb metallic impurities mixed in the coolant, enhancing the filtration effect as the coolant passes through the filter screen cylinder. Cleaning is simple; just pull the ring to remove the magnetic rod from the limiting bracket for cleaning, thus solving the problem of poor filtration effect.

This invention discloses an airtightness testing device for electric actuators, comprising a conveying mechanism, a transfer mechanism, a carrier, and a clamping mechanism respectively disposed on the top of a lower frame; the conveying mechanism carries and transports the electric actuator via a pallet; a lifting component on the conveying mechanism is adapted to control the pallet's movement or stationary position; the transfer mechanism is positioned above the conveying mechanism and is adapted to transfer the electric actuator on the pallet to a receiving slot on the top of the carrier when the pallet is stationary; the carrier is connected to the lower frame via a drive mechanism; the drive mechanism is adapted to transport the carrier to the clamping mechanism or the transfer mechanism; a pressure block on the clamping mechanism is positioned above the carrier; a mating groove is formed at the bottom of the pressure block, adapted to enclose the receiving slot to form a closed test chamber; the mating groove is connected to a detection mechanism installed via a gas pipeline. This invention enables automatic testing of the airtightness of electric actuators, is simple to operate, can achieve automated testing, greatly improves work efficiency, and reduces labor costs.

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.

The utility model relates to photoelectric device test technical field especially a kind of miniature photoelectric tube ageing seat, including base, upper cover, integrated light source module, multiple elastic probes and locking assembly;The base is opened with heat dissipation groove, test groove and mounting groove, the heat dissipation groove and mounting groove confluence intercommunication, test groove is located at the confluence of heat dissipation groove and mounting groove;The elastic probe is distributed in mounting groove, and its upper end extends to test groove, and lower end is exposed below base;The upper cover left end is hinged with base;Upper cover is vertically opened with through-hole, and integrated light source module is located on upper cover and is positionally corresponding with test groove by through-hole;The locking assembly is located between upper cover and base to lock the closure state of upper cover and base, can satisfy the online light quantity control and test of miniature photoelectric tube by the utility model, improve test precision and reliability.

A PCB loading device, comprising a separable loading carrier plate and a base module. The loading carrier plate is provided with a plurality of placement slots for placing PCBs. Each placement slot is provided with a clamping assembly at the clamping angle. The clamping assembly comprises a clamping block and a return spring. The clamping block is slidingly connected to the loading carrier plate and has a movement tendency towards the placement slot. The clamping block is provided with a driving hole. The base module comprises a base and a fixed platform. A driving plate is slidingly connected below the platform. The driving plate is provided with a driving pin. The driving pin is inserted into the driving hole after sequentially passing through the avoidance holes of the platform and the carrier plate. The driving plate is connected to the base through a driving spring and is provided with a stop block which is movably connected to the driving motor execution end. The utility model realizes the synchronous control of multiple clamping mechanisms through single motor driving, has the functions of automatic clamping and loosening, adopts spring grading locking, improves the positioning accuracy, realizes self-centering positioning in combination with the V-shaped chuck, and effectively improves the positioning accuracy and clamping efficiency of the PCB.

This utility model discloses an easily detachable, high-throughput, and highly efficient gas dispersion component, comprising a gas distribution pipe 1 vertically arranged on both sides, and a gas distribution pipe 2, a gas distribution pipe 3, and a gas distribution pipe 4 horizontally arranged sequentially between the upper and lower ends of the gas distribution pipe 1 on both sides. The gas distribution pipes 2, 3, and 4 on the upper and lower sides are separated by a vertically arranged gas distribution pipe 5, forming different spaces. This utility model features a large service area, high gas throughput, uniform bubble distribution, easy maintenance, and wide applicability.

The invention belongs to the technical field of freight unmanned aerial vehicle delivery, and relates to an intelligent cabin door system for an unmanned aerial vehicle and a cabin door structure design method. The system comprises a driving system, a reel system, a curtain plate system, a sliding rail unit and a control unit. The control unit is electrically connected with the driving system; the driving system is arranged on the unmanned aerial vehicle body; the curtain plate system is connected with an unmanned aerial vehicle body through the sliding rail unit, the curtain plate system is connected with the reel system, the driving system is in transmission connection with the reel system through a chain wheel transmission structure, and the driving system drives the reel system to rotate so as to drive the curtain plate system to stretch or retract along the sliding rail unit. Opening and closing of the cabin door are realized. According to the invention, the number of moving parts is greatly reduced, the probability of clamping stagnation and wear failure of a mechanical transmission mechanism is fundamentally reduced, and the operation reliability of a cabin door system in harsh operation scenes such as emergency logistics and disaster rescue is remarkably improved.