51results about How to "Solve the installation" patented technology

The embodiment of the utility model provides a fixed adjustable supporting tool for assembling a turbine tester, and relates to the field of aero-engine tests. The volute aims to solve the problems that the interior of a volute is of a horizontal shaft cavity structure, and it is difficult to horizontally install a transmission shaft and other components into a shaft cavity in a hoisting mode. The positioning device comprises a base platform, a positioning combination mechanism, a mounting support and an adjusting telescopic support, and the positioning combination mechanism is used for being placed at the preset position of the base platform or used for being fixed to a supported volute; the mounting bracket is fixed on the base platform and is used for rotationally mounting the volute; one end of the adjusting telescopic support is hinged to the base platform, and the other end of the adjusting telescopic support is used for being hinged to the positioning combination mechanism. The installation support is rotatably provided with the volute, the telescopic support is adjusted to fix the volute structure and finely adjust the pitching angle, the center shaft cavity in the volute finally meets the position requirement for transmission shaft assembly, and the assembly difficulty is greatly reduced.

The utility model relates to valve equipment technical field, the utility model discloses a quick release mechanism and ball valve sealing device, including connecting unit, the connecting unit includes the bearing assembly, sets up in the extrusion assembly of bearing assembly inside and rotates the adjusting ring of bearing assembly outside, the adjusting ring and extrusion assembly sliding fit, wherein, extrusion assembly is provided with at least 2.

The utility model discloses a voltage regulator device with a semi-open fixed shell structure, which comprises a top cover and a bottom cover, and further comprises an open limiting mechanism, the open limiting mechanism comprises extension coamings arranged on the top cover and the bottom cover, the two extension coamings are respectively provided with a first mounting ring and a second mounting ring, and the first mounting ring and the second mounting ring are arranged on the top cover and the bottom cover. Mounting blocks distributed at equal intervals are arranged on the first mounting ring and the second mounting ring, and limiting columns are correspondingly mounted between the mounting blocks located on the first mounting ring and the mounting blocks located on the second mounting ring; and the movable mounting mechanism is arranged on the limiting column. The voltage regulator equipment with the semi-open fixed shell structure has the technical effects of improving the heat dissipation performance and the safety.

The utility model relates to the related technical field of riveting connection, in particular to a high-adaptation riveting device based on angle fine adjustment, which is arranged on a movable platform and comprises an angle adjusting mechanism, and an air gun is arranged at the movable end of the angle adjusting mechanism. The angle adjusting mechanism comprises a telescopic piece and a driving assembly arranged on the moving platform and used for controlling the telescopic piece to deflect. The driving assembly is started to work to control the telescopic part to deflect relative to the moving platform, so that the position of the air gun can be finely adjusted, the telescopic part executes the telescopic action in the deflection process, the angle of the air gun can be accurately adjusted, and meanwhile the angle of the air gun can be accurately adjusted. The multi-angle adjustment can be achieved, the actual thickness of a plate can be better adapted, it is ensured that the riveting process is conducted smoothly, meanwhile, it can be ensured that the riveting nut can be correctly installed at different positions and angles, and the installation problem caused by angle deviation is avoided.

The invention relates to the technical field of photovoltaic equipment, and discloses an installation cleaning device and a photovoltaic robot, and the installation cleaning device comprises a control assembly which comprises a control arm and a control structure, and the control arm is provided with a connecting structure arranged on a movable arm; the transfer assembly is provided with a first quick-change structure and a fixing structure; the cleaning assembly is arranged on one side of the control assembly and provided with a second quick-change structure and a cleaning structure, the control arm is connected with the first quick-change structure of the transfer assembly through the connecting structure of the control arm, carrying operation can be carried out, and when the photovoltaic module needs to be cleaned, the control arm separates the connecting structure of the control arm from the first quick-change structure; the carrying function and the cleaning function can be efficiently achieved at the same time through one device, and compared with worker operation, the photovoltaic module carrying device has the advantages of being high in operation efficiency and automation degree, capable of reducing the damage rate of photovoltaic modules and the like.

The utility model discloses a pugging de-ironing separator, which comprises a rotating plate, a bottom frame, a primary screening mechanism, a magnet clamping mechanism and a clamping auxiliary mechanism, the primary screening mechanism comprises a driving motor and a screening box, the magnet clamping mechanism comprises a bottom fixing pipe and a clamping rod, and the clamping auxiliary mechanism comprises an outer rotating sleeve and a positioning ring. The eccentric wheel is driven by the driving motor to rotate, rotary motion is converted into reciprocating motion of the screening box through the push-pull rod, efficient screening of pug is achieved, large waste materials can be effectively separated from the pug, and the problem that in a traditional device, large waste materials are difficult to screen is solved. The magnet clamping mechanism adopts the combined design of a bottom fixing pipe, a clamping pipe and a clamping rod, and through the rotary clamping mode of an inner supporting frame and an embedded rotating block and the continuous pressure provided by a compression spring, rapid mounting and dismounting of a magnet plate are achieved.

A kind of deep hard rock hole wall-hole end while drilling fracturing microwave drill bit and method, including microwave drill bit, microwave drill bit is successively equipped with support frame front plate, metal sleeve and water inlet ring, metal sleeve is connected with the rotary drive I installed on support frame front plate, microwave drill bit is connected with microwave mode converter and microwave shunt II respectively, microwave mode converter and microwave shunt II are connected with microwave shunt I by rectangular waveguide respectively, microwave shunt I is successively connected microwave rotary joint, fixed waveguide and microwave generating device, microwave rotary joint is connected with the rotary drive II installed on support frame rear plate;Support frame front plate, support frame rear plate and microwave generating device are installed on the equipment mobile platform of fixed base, counterforce support of fixed base is connected between support frame front plate by driving, the present application realizes hard rock fast drilling while hole wall rock mass fracturing release stress, improves the efficiency of microwave stress release technology.

This utility model relates to the field of production line material stacking technology and discloses a production line material stacking positioning card. The upper end of the base is fixedly installed with a surrounding plate. The two sides of the surrounding plate are symmetrically provided with storage slots. The bottom of the two storage slots is fixedly installed with two connecting seats. The upper end of the two connecting seats is provided with a groove. By setting a lifting mechanism composed of a bidirectional adjusting screw, a movable block and a diamond-shaped folding plate, when the handle is turned to drive the bidirectional adjusting screw to rotate, the reverse threads at both ends drive the movable block to move towards or away from each other, causing the folding plate to rotate around the shaft as the fulcrum. The horizontal displacement of the movable block is efficiently converted into the vertical lifting of the connecting seat, realizing precise adjustment of the lower pressure plate height. Because of the action inside the storage slot, the folding plate can be completely stored in the storage slot when folding, greatly reducing the axial space occupation in the non-working state and solving the installation and operation limitations in a space-constrained environment.

The utility model discloses a CT (Computed Tomography) machine close-range coupling differential antenna and a corresponding signal coupling device. The antenna comprises a transmitting antenna unit which is provided with a reference ground layer copper foil, a transmitting unit connector, a far-end matching resistor, a dielectric substrate, a left oscillator antenna and a right oscillator antenna, wherein the reference ground layer copper foil, the transmitting unit connector, the far-end matching resistor, the dielectric substrate, the left oscillator antenna and the right oscillator antenna are arranged on the transmitting antenna unit; wherein the reference ground layer copper foil is flatly laid on the back surface of the transmitting antenna unit; the transmitting unit connector and the far-end matching resistor are arranged on the reference stratum copper foil; the dielectric substrate, the left-side oscillator antenna and the right-side oscillator antenna are all arranged on the front surface of the transmitting antenna unit, the left-side oscillator antenna and the right-side oscillator antenna are arranged in parallel, a preset distance is formed between the left-side oscillator antenna and the right-side oscillator antenna, and meanwhile, the left-side oscillator antenna and the right-side oscillator antenna have the same preset width and are both higher than the dielectric substrate by a preset height. In the technical scheme of the utility model, the antenna can be bent into a ring shape or flatly laid on a track and installed on the outer side of the rotor, and the transmission rate is up to 10Gbps, thereby solving the problems of installation and high-speed data transmission.

The utility model belongs to the technical field of pressure test, and discloses a wing surface pressure distribution experiment teaching demonstration platform, which comprises a wind tunnel, a module plug, a test model, a hose I, a multi-tube pressure gauge and a water tank, the test model comprises a test point concentration head, a mounting chuck and an airfoil model; the mounting chuck comprises a circular plate I and a circular plate II which are connected; the measuring point concentration head is of a cubic structure and is fixedly connected with the circular plate I; the test model is provided with a plurality of pressure measuring holes and a plurality of channels, and the pressure measuring holes and the channels are the same in number. The wind tunnel is used for providing airflow for the airfoil model; the module plug comprises a cubic block and a pipe I; a plurality of through holes A are formed in the cubic block, and the through holes A are arranged into an array B; the multi-tube pressure gauge is used for measuring the pressure intensity of the pressure measuring hole; the water tank is connected with the multi-tube pressure gauge and used for supplying water to the multi-tube pressure gauge and adjusting the liquid level height in the multi-tube pressure gauge. When the hose I and the channel are disassembled and assembled, the operation is simpler and more convenient.

The invention discloses a skull connecting and fixing system for fixing a skull repair patch, and relates to the technical field of medical instruments. The system comprises an upper locking piece, a lower locking piece and an expansion screw, and the fixing stability of the skull repairing piece is improved through a double fixing mechanism. The upper locking piece and the lower locking piece are in threaded connection to achieve primary longitudinal fixation, and the skull and the repairing piece are preliminarily locked; the expansion screw is inserted through a middle hole of the upper locking piece and expands, secondary transverse fixing is achieved, and the anti-loosening capacity is enhanced. The lower locking piece is provided with a retaining ring for a medical wire to penetrate through so as to lift and position the lower locking piece in the installation process. The upper locking piece and / or the lower locking piece are / is provided with elastic parts, each elastic part comprises a deformable groove position, and the elastic parts are opened under the action of the expansion screws to press the skull and the repairing piece. The expansion screw comprises an expansion structure and a screw, and when tightened, the expansion screw is opened to transmit force to the locking piece. The whole system is made of biocompatible materials, is suitable for craniocerebral surgery, and effectively solves the technical problem that a traditional skull fixing device is insufficient in stability.

This utility model relates to the field of die-cutting machine technology and discloses a precise positioning mechanism for a high-precision positioning die-cutting machine. It includes a base, a slide rail fixedly connected inside the base, a slide plate slidably connected to the outer wall of the slide rail, a rotating rod rotatably connected inside the base, and transmission rods rotatably connected to both sides of the rotating rod. One side of the transmission rod is rotatably connected to the top of the slide plate. A cylinder is fixedly connected inside the base, and the output end of the cylinder is fixedly connected to one side of the outer wall of the slide plate. In this utility model, the slide plate can drive a gear to rotate via a rack, thereby moving a rotating limiting block towards the center of the processing table for positioning via a rack and a sliding block. Simultaneously, the slide plate can push a gripper to clamp the workpiece via a connecting rod, solving the problem of needing other mechanisms to fix the workpiece after positioning. This achieves an integrated design of positioning and fixing, improving the efficiency of the positioning die-cutting machine.

This utility model discloses a stable automotive wiring harness, relating to the field of automotive component technology. It includes a base, a top mount, a connecting rod, a screw, an insulating pad, a sliding cylinder, a rotating rod, a pulley, a transmission belt, a limiting frame, a sliding frame, and a connecting cylinder. Specifically: the base serves as the fundamental support for the entire device, supporting and securing other components; the top mount works in conjunction with the base to apply uniform pressure to the automotive wiring harness 14 for clamping and fixing; the connecting rod is positioned between the base and the top mount to transmit force and enhance the overall structural stability; the screw passes through the top mount and connects to the base, allowing for height adjustment of the top mount through rotation. This utility model provides a stable automotive wiring harness 14, which, through optimized structural design, significantly improves the stability and reliability of the automotive wiring harness 14, adapting to the installation requirements of different wiring harness specifications, ensuring efficient clamping and stable operation, and providing important support for related technical fields.

The utility model discloses a sealing joint, and relates to the technical field of pipeline sealing, the sealing joint comprises a pipe main body and a flange structure, and the pipe main body is internally provided with a connecting channel extending in the first direction of the pipe main body; the flange structure is arranged outside the pipe body in the first direction of the pipe body, the flange structure deviates from the pipe body in the second direction of the pipe body, and the second direction is perpendicular to the first direction. According to the sealing joint, the flange structure is arranged outside the pipe main body, so that the problem that a hose is difficult to mount and dismount in the prior art is effectively solved, and the operation convenience and the sealing reliability are improved.

This application belongs to the field of hydro-generator installation and discloses a stator core slot clamping device for hydro-generators with measuring function. It includes a support cylinder and an insert block disposed at the front end of the support cylinder. The first end face of the insert block has outwardly extending lugs on both sides, and the opening formed by the lugs and the first end face mates with the slot opening of the hydro-generator stator core slot. A measuring scale is provided on the outer side of the insert block. A pressure sensor is provided on the inner side of the first end face of the insert block. A threaded through hole is provided in the middle of the insert block, and a screw rod is provided inside the support cylinder. The screw rod passes through the threaded through hole and is threadedly connected to the insert block. This reduces the difficulty of clamping the stator core wires in the hydro-generator and improves installation efficiency. The pressure sensor, in conjunction with the measuring scale, can determine whether the stator wires are clamped firmly and tightly against the bottom surface of the core slot, solving the problem that the stator wires are not easily fully lowered to the bottom of the stator core slot during installation, thus affecting the installation of the slot wedges.

This utility model relates to the field of power equipment technology and discloses a heat dissipation box for a terminal of a power distribution automation station. The box includes a distribution box with a door rotatably connected to its side wall, a rain shield fixedly connected to its upper surface, a cooling fan inside, a dustproof component on its side wall, and a movable component inside. The movable component includes a sliding frame, and a slide rail is fixedly connected inside the distribution box. In this utility model, when electrical components need to be installed or maintained, the operator moves a lever to compress a first spring and move the locking pin out of the slide rail, releasing the sliding frame and allowing the mounting plate position to be adjusted along the slide rail. After adjustment, releasing the lever causes the first spring to push the locking pin back into the slide rail slot, re-fixing the sliding frame. This solves the problems of fixed mounting plate position and inconvenient component installation and maintenance in traditional distribution boxes, shortening operation time.

The utility model discloses an anti-leakage liquid source conveying device which comprises a magnetic drive pump body and a pipeline, a connecting disc is arranged on the front side of a connector of the magnetic drive pump body, a plurality of positioning columns are evenly distributed on the front side of the connecting disc, a flange plate is arranged on the rear side of the pipeline, and a fixing ring is arranged on the curved surface of the connector of the magnetic drive pump body in a sleeved mode. Supporting frames are arranged on the left side and the right side of the fixing ring, fixing devices are arranged on the inner sides of the supporting frames, and a control device used in cooperation with the fixing devices is arranged at the top of the supporting frame on the left side. The connecting disc, the positioning column, the flange plate, the fixing ring, the supporting frame, the fixing device and the control device are used in cooperation, and the problem that when an existing magnetic drive pump and a pipeline are installed, the flange plate of the pipeline and the flange plate at the connecting opening in the front side of the magnetic drive pump body need to be aligned generally is solved. And then bolts need to be tightened in sequence to fix the pipeline, and the process of mounting and dismounting is inconvenient.

The application discloses an air duct mounting device and a mounting method, and belongs to the technical field of core unit assembly. The device comprises a main body driving assembly, a positioning and stopping assembly, a hook holding control assembly and an auxiliary operation assembly. The main body driving assembly comprises a rod, and a first handle is arranged on the upper portion of the rod. The hook holding control assembly comprises a hook claw arranged at the lower end of the rod and a hook rod penetrating the rod, a boss is arranged on the hook claw, the boss is used for being connected with a groove in the middle portion of the air duct during work, and the air duct is controlled to move up and down and rotate. One end of the hook rod is connected with the hook claw, a second cylindrical pin is arranged on the other end of the hook rod penetrating the rod, the second cylindrical pin is used for driving the hook rod to move up and down by control, and the boss of the hook claw is popped out or withdrawn. The positioning and stopping assembly comprises a stopping sleeve movably sleeved on the upper portion of the rod, and a second handle is arranged on the stopping sleeve. The stopping sleeve is matched with an end groove on the rear end face of the high-vortex first-stage disc rear shaft neck, so that stopping is realized during the tightening process.

The utility model discloses a door leaf glass small frame installation structure, belongs to the field of glass doors, and aims to solve the problems of poor sealing performance and fragile glass caused by installation deviation and gaps of a glass small frame. The small glass frame is quickly disassembled and assembled through cooperation of the buckles and the clamping grooves, compared with conventional threaded connection, the small glass frame is more concise and convenient to assemble and disassemble, the installation efficiency is remarkably improved, the limiting buckle points arranged on the buckles can accurately fix and limit the positions of the buckles and the clamping grooves, and it is ensured that the small glass frame is accurately positioned in the installation process; the flat sealing strip is additionally arranged on the periphery, making contact with the small supporting piece, of the glass plate for wrapping, gaps generated due to machining errors are effectively filled up, the small glass frame and the door leaf steel plate are tightly matched through the special-shaped sealing strip wrapping the cover edge of the small glass frame, and unnecessary damage such as scratching is avoided.

The utility model relates to the technical field of stage lamps, in particular to a waterproof strip lamp mounting device. The waterproof strip lamp comprises the action assembly and the stress assembly, the action assembly comprises the fixing cover and the pushing piece, the fixing cover is provided with the containing opening with the two sides penetrating through, the waterproof strip lamp is limited in the containing opening through the fixing cover, the pushing rod is manually or electrically pushed so that the stress assembly can move in the direction away from the mounting hole and towards the waterproof strip lamp, and the waterproof strip lamp can be fixed. By means of the structure, force is applied to the panel so that the panel can extrude the rubber strip, and overlarge force is prevented from being instantly applied to the panel of the waterproof strip lamp by means of the characteristics of the spring. After installation, the push rod is manually or electrically pushed to enable the stress assembly to move in the direction close to the installation hole and away from the waterproof strip lamp, so that the waterproof strip lamp can be taken out, and the installation problem of the waterproof strip lamp is solved.

This utility model relates to the field of single crystal furnace leveling technology, and in particular to a single crystal furnace chamber leveling mechanism, comprising a mounting base, multiple support rods, multiple support rings, a mounting plate, multiple nuts, and multiple adjusting components. The mounting base has first mounting holes at each of its four top corners and mounting cavities at each of its four side edges. Each support rod has a second threaded sleeve threadedly connected to its outer wall, and the second threaded sleeve is fixedly connected to the corresponding first mounting hole. This application fixes the mounting base within a concrete base. The adjusting components drive the support rods to rotate via worm gears and other components. The threaded connection between the support rods and the second threaded sleeves allows for the raising and lowering of the support rods, thereby adjusting the levelness of the mounting plate. This design is independent of the precision of the concrete base and allows for real-time adjustment of the mounting plate during installation, ensuring the levelness of the single crystal furnace chamber.

The utility model belongs to filter material technical field especially, it is base material with foam zeolite layer, including outer frame, the outer frame top outer wall is provided with the top cover, and is provided with the filter assembly between outer frame and top cover, the outer wall of filter assembly is provided with the guide strip of equidistance distribution, and the outer wall of outer frame is provided with the vertical rod of equidistance distribution, the inner wall of vertical rod is opened with the guide slot, and the guide strip slidingly connects in the inner wall of guide slot, the filter assembly includes base material board, adhesive layer and foam zeolite layer, wherein, base material board sets up in the inside of outer frame. The utility model sets up the structure of guide strip and guide slot, and filter assembly is connected with the guide slot on the outer frame through guide strip and slides, so that the installation and disassembly of filter assembly are more convenient, through adhesive layer, foam zeolite layer is firmly bonded on base material board, has improved the combination strength of foam zeolite layer and base material board, effectively prevents foam zeolite layer from falling off in the long-term use process.

The invention belongs to the technical field of water surface cleaning, and particularly relates to a water surface cleaning robot and a garbage recognition method. A mounting groove is formed in the inner surface wall of the cleaning robot body, and a limiting column is fixedly connected to the inner surface wall of the cleaning robot body; in the working process, an electric push rod is arranged, after the electric push rod is started, a connecting plate and a transmission rack integrally ascend, a transmission gear is driven to rotate, then an external gear is driven to rotate, then the external gear can drive the transmission rack to guide and slide on a guide block through a guide rod, and the purpose that the main body structure is integrally contracted and clamped is achieved; according to the water surface cleaning robot, the limiting columns do not limit the clamping blocks in the clamping main body any more, then after the clamping main body retracts into the transmission groove, the effects that the collecting frame is conveniently taken out, and garbage is conveniently collected after being moved are achieved, and the problems that the collecting frame in the water surface cleaning robot is inconvenient to disassemble, move and limit are solved.

This utility model discloses an automatic mixed water sample collector, including a main body, a refrigeration chamber installed inside the main body, barrels A and B installed inside the main body, and a drug delivery pump and a sample supply pump installed inside the main body and on one side of barrel A. Both barrels A and B are equipped with a mixing and stirring structure on their tops. The mixing and stirring structure includes a top frame, a motor installed on the top of the top frame, and a stirring shaft rotatably installed at the bottom of the top frame and connected to the output end of the motor. The mixing and stirring structure also includes a plug-in quick-connect structure. This utility model improves and optimizes existing automatic mixed water sample collectors by adopting a plug-in quick-connect structure for the mixing and stirring structure, significantly improving the ease of assembly and disassembly. This not only facilitates the initial assembly work but also allows for quick separation of the mixing and stirring structure from the barrels in case of damage, facilitating subsequent maintenance and repair.

The utility model relates to the technical field of bathroom accessories, in particular to an easily-mounted trap device of a split squatting pan. Comprising a trap, a water inlet connector and a water outlet connector are arranged at the two ends of the trap respectively, a connecting pipe is arranged at the water outlet connector and comprises a first pipe body and a second pipe body, the first pipe body is connected with the water outlet connector, and the inner diameter of the second pipe body is larger than that of the first pipe body. The first pipe body and the second pipe body are connected through a reducing pipe. The device provided by the utility model can solve the problem that the trap is not matched with the pipe diameter of the blow-off pipe, is convenient to install and easy to operate, enables the trap to be firmly connected with the blow-off pipe, and ensures the stable operation of a drainage system.

The utility model relates to a pipe type soil moisture content monitoring appearance internal support structure technical field, concretely relates to a pipe type soil moisture content monitoring appearance internal circuit component support through thread combination, including fixed cylinder, still including support device, support device includes support cylinder, first threaded cylinder, second threaded cylinder and fixed assembly, first threaded cylinder fixed mounting is at both ends of fixed cylinder, second threaded cylinder fixed mounting is at both ends of support cylinder, and first threaded cylinder and second threaded cylinder thread cooperation, fixed assembly installs on fixed cylinder, be equipped with support groove in support cylinder, through the setting of support groove, be convenient for to the fixed circuit board, through the setting of fixed assembly, be convenient for to the fixed humidity response metal ring of nesting on second threaded cylinder, to through the thread lock of first threaded cylinder on fixed cylinder and second threaded cylinder on support cylinder between, make support cylinder and fixed cylinder realize quick assembly and disassembly between, and then be convenient for to the maintenance of circuit board in support groove.

The utility model discloses an inland ship lock niche type bollard fabricated formwork, and relates to the technical field of inland ship lock and avionics hub construction. Comprising an inner embedded formwork and an outer vertical formwork which are fixedly connected. The embedded template comprises a side die, a bottom die and a niche type bollard embedded part which are connected from top to bottom; the side mold comprises a left side mold plate, a front vertical side mold plate and a right side mold plate which are sequentially connected from left to right, the left side mold plate, the front vertical side mold plate and the right side mold plate are all special-shaped mold plates vertically connected with the plate surface of the outer vertical mold plate, and after splicing, the whole side mold is of a trapezoidal table structure with the lower inclined upper surface and the horizontal bottom surface; the bottom die comprises a left bottom die body, a middle bottom die body and a right bottom die body which are sequentially connected from left to right, the bottom die bodies are sequentially connected to the lower portions of the corresponding side die bodies and are perpendicular to the surface of the outer vertical die plate, and the lower portion of the middle bottom die body is connected with a niche type bollard embedded part. The niche structure solves the problems that a niche structure is narrow in internal space and large in construction difficulty, is easy and convenient to erect and dismantle and can be used in a turnover mode, and construction cost is reduced.

The utility model discloses an extraction tank pipeline connecting device, which relates to the technical field of pipeline connecting equipment and comprises an upper connecting component and a lower connecting component, the upper connecting component comprises a top plate and an upper connecting pipe, and the bottom end of the upper connecting pipe penetrates through the top plate and extends to the bottom of the top plate. Through the combination of the clamping mode of the lower connecting plate and the upper connecting plate and the inserting mode of the inserting rod and the inserting block, connection between the upper connecting pipe and the lower connecting pipe is rapidly completed, so that connection between extraction tank pipelines is completed, the problem of difficulty in mounting and dismounting is solved, and the maintenance difficulty and the maintenance cost are reduced; the upper rubber ring and the lower rubber ring are tightly extruded together under the action of the multiple sealing springs, meanwhile, the circle of expansion rubber pad making contact with the upper rubber ring and the lower rubber ring expands after encountering water, the sealing performance of the connecting device is improved through close fit of the rubber rings and the expansion rubber pad, and material leakage is prevented.