207results about How to "Realize plugging" patented technology

The invention provides an ultralow-pressure well leakage plugging method and belongs to the technical field of oil field well leakage plugging. According to the method, after a certain perforation well section is selected as an inlet of cement slurry, a squeezing packer is arranged in a casing pipe of the upper portion of the perforation well section in a setting mode, and a drillable one-way check valve is arranged under the squeezing packer; a squeezing pipe column is fed, an insertion pipe at the lower end of the squeezing pipe column is inserted into a socket of the packer so that the pipe column and the squeezing packer can be sealed, and the situation that due to the fact that plugging agents return to the portion above the squeezing packer in the plugging construction process, engineering accidents are caused can be prevented; gel spacer fluid is pumped into the squeezing pipe column, then the cement slurry is pumped, finally the gel spacer fluid is pumped, positive pressure squeezing is carried out, and therefore the gel spacer fluid and the cement slurry enter an oil-water layer or a channeling groove part to be sealed through the perforation well section serving as the inlet; pumping is stopped, the insertion pipe is pulled out, the one-way check valve is automatically closed, flow return is stopped, the pipe column is lifted to finish the operation of plugging the oil-water layer, kill fluid is poured, and a well is closed to wait on cement setting. The method has the advantages that site adaptation and leakage plugging strength are high, and leakage of the ultralow-pressure well can be plugged.

The invention relates to a leakage-stopping mechanical hand of a pipeline, which belongs to the technical field of pipeline maintenance mechanical equipment and is used for realizing the unmanned, fast, safe and high-quality leakage-stopping work during the leakage-stopping process of the pipeline. The technical scheme is as follows: the leakage-stopping mechanical hand consists of a top plate, aclamping hand and a leakage-stopping clamp, wherein the upper end of the top plate is connected below a lifting arm of a leakage-stopping engineering vehicle, the clamping hand and the leakage-stopping clamp are mounted below the top plate, the clamping hand consists of two opposite semi-annular clamps, the two opposite parts respectively comprise a connecting rod to be connected with two ends ofa clamping hydraulic cylinder, the leakage-stopping clamp consists of two opposite semi-circular pipes, and the two opposite parts of the clamping hand respectively comprise a connecting pin to be connected with the two semi-circular pipes of the leakage-stopping clamp. The leakage-stopping mechanical hand can realize opening, closing, enclasping, locking and other functions of the clamping hand through a hydraulic device, and realize the transverse movement of the leakage-stopping clamp to an oil leaking point of an oil pipe for stopping leakage. The leakage-stopping mechanical hand can realize the mechanical leakage-stopping operation under the different leakage states with high pressure and low pressure, ensure the safety, reduce the labor intensity and improve the working efficiency.

The invention relates to a plugging agent and plugging slurry for drilling fractured leakage and a plugging construction method. The plugging agent is prepared from the following components in parts by weight: 80 to 85 parts of cement, 6 to 10 parts of floating beads, 6 to 10 parts of micro-silicon and 1 to 3 parts of asbestos fibers. The plugging agent for the drilling fractured leakage, disclosed by the invention, is characterized in that the cement, the floating beads, the micro-silicon and the asbestos fibers are compounded to form a main body of the plugging agent, wherein the asbestos fibers can be used as a bridge plug for bridging to fractures; the floating beads and the micro-silicon realize filling and plugging effects on the fractures; all the components are coordinated with oneanother, so that the plugging agent easily enters a leakage layer and realizes the comprehensive effects of serving as the bridge plug, bridging, filling and plugging; the plugging agent is especially suitable for the fractured leakage with the width of 3 to 10mm and leakage rate of 5 to 100m<3>; in addition, the plugging agent has the advantages of quick plugging effects, short operation periodand high success rate of plugging leakage.

The embodiment of the invention discloses a plugging mechanism and a finished circuit board internally provided with the same as well as a plugging frame. The plugging mechanism is used for plugging a board to be plugged in the plugging frame; the plugging mechanism is connected between a bottom board and a supporting board; the plugging mechanism comprises a handle for pushing and pulling, and a pull rod connected with the handle; the pull rod comprises a horizontal edge and a vertical edge; an L shape is formed by the horizontal edge and the vertical edge; a first sliding pin is arranged on the horizontal edge of the pull rod; a second sliding pin is arranged on the vertical edge of the pull rod; the first sliding pin is used for sliding in a first horizontal guide groove arranged at an opposite position on the bottom board; the second sliding pin is used for sliding in a first vertical guide groove at an opposite position on the bottom board; the plugging mechanism rotates under the limitation of the first sliding pin and the second sliding pin by stressing external force on the handle, and drives the supporting board to move upwards and downwards, so as to drive the board to be plugged to move upwards and downwards. Therefore, the board to be plugged can be plugged into the plugging frame.

The invention relates to an automatic monitoring and trouble-shooting device for a blocking fault of cylinder-type threshing parts and belongs to the technical field of agricultural machinery. The device comprises a threshing cylinder, a threshing concave board and a control circuit, wherein the threshing concave board consists of a fixing concave board and a moving concave board; one end, which is far away from the fixing concave board, of the moving concave board is connected with a piston rod of a hydraulic cylinder by a pressure sensor, and a cylinder body of the hydraulic cylinder is hinged on a machine frame; a pressure signal output end of the sensor is connected with a hydraulic cylinder oil circuit reversing valve by the CPU-included control circuit; when pressure signal value is smaller than preset lower limit value, the reversing valve is controlled to keep a preset gap between the moving concave board and a threshing cylinder by the hydraulic cylinder; and when the pressure signal value is greater than a preset upper limit value, the reversing valve is controlled to increase the gap between the moving concave board and the threshing cylinder by the hydraulic cylinder. By adoption of the device, not only the blocking fault is effectively avoided, but also blockages can be removed.

The invention discloses a space load butting locking interface device and belongs to the technical field of space application equipment. The space loading butting locking interface device comprises an active end and a slave end fixedly connected with an exposed load and a spacecraft cabin body exposed platform. By matching of a main positioning pin, a ball head shear pin and an auxiliary positioning pin at the active end with a main positioning hole, a shear hole, a kidney-shaped shear hole and an auxiliary positioning hole at the slave end, a mechanical arm is guided to operate the exposed load to be butted to a to-be-mounted position. A motor speed reducer at the active end drives a lead screw to drive a main body of a rack A, a branch body of the rack A, a main body of a rack B and a branch body of the rack B to move along a guiding shaft, so that tightening, rigid locking and reliable anti-loosening of the exposed load are achieved. The space load butting locking interface device can assist the mechanical arm to achieve guiding positioning butting, slave capturing, active tightening and rigid locking of the exposed load and a spacecraft cabin body, and accordingly technical support is provided for mounting the exposed load to a set position outside a spacecraft cabin.

The invention provides a 10 kv high-voltage circuit breaker electrical test wiring platform based on a six-axis mechanical arm. The equipment is mainly composed of a test system platform, the six-axismechanical arm, a front end clamping jaw, an automatic short circuit module, a cable positioning module, a winding and unwinding module and the like. The test system platform is used for installing test modules such as the six-axis mechanical arm, the automatic short circuit module, the cable positioning module and the winding and unwinding module. The six-axis mechanical arm is mainly used for realizing operation and plugging of a cable; the front end clamping jaw is mainly used for grabbing a cable; the automatic short circuit device is mainly used for realizing connection between a test cable and a circuit breaker in a test process, and simultaneously meeting short circuit requirements between ports of a high-voltage end and between ports of a low-voltage end in the test process. The test cable positioning module is mainly used for placing a test cable and realizing accurate positioning of the test cable; the winding and unwinding module mainly realizes automatic winding and unwinding of the test cables in the test process, and ensures that the test cables are not intertwined.

The invention discloses a wall-mounted type multifunctional tooth cleaner. The wall-mounted type multifunctional tooth cleaner comprises a tooth cleaner body, a water tank, a water tank cover, an operating handle, a spray head and a rubber water outlet pipe, wherein the spray head consists of a nozzle and a rod body; the water tank is arranged at a bearing part of the tooth cleaner body; a handle plug base is fixedly connected to the middle part of a positioning plate of the tooth cleaner body; a protruded columned groove for placing the rubber water pipe is formed below the positioning plate of the tooth cleaner body; protruded T-shaped inserting grooves are formed in two rear sides of the tooth cleaner body; hanging plates formed by being integrated with a hanger are inserted into the T-shaped inserting grooves; the water tank cover comprises a cover body, and an upper cover hinged with the cover body; an accessory placing chamber is formed by the edge and the bottom formed on the cover body; the bottom of the cover body is placed at an edge port of the water tank; the operating handle comprises a front cover, a rear cover and an end cover; water inlet valves which are connected with the rubber water outlet pipe are arranged at the parts at which the front cover and the rear cover are arranged; and water outlet pipe sections of the water inlet valves are connected with the rod body in an inserting way, wherein the rod body is arranged in a central hole in the end cover. The wall-mounted type multifunctional tooth cleaner is convenient to clean and use, attractive in appearance, multifunctional, and wall-mounted.

The present invention relates to an adaptive miniature optical fibre connector. It mainly includes silicon base body, V-type groove formed on the siliconb ase body, curved metal cover plate crossed over V-type groove and aerially-covering said V-type groove, two ends of the metal cover plate are warped and broadened to form bell mouth, its middle position is equipped with symmetrically-distributed slot openings, optical fibre fixing channel formed along the V-type groove between the metal cover plate and silicon base body, and two ends of said fixing channel respectively are semi-conical guide channels.

The invention discloses a space capture docking mechanism. The space capture docking mechanism comprises a docking mechanism a and a docking mechanism b, peripheral equipment comprises an aircraft A and an aircraft B, and the docking mechanism a comprises an electric connector a, a cylinder, a fixing frame, a liquid path disconnector a, a positioning pin, a holding claw, an active end guide flap,a holding claw rotating shaft a, a holding claw rotating shaft b, a ball screw nut, a ball screw, a bearing end cover, a bearing a, a bevel gear a, a bevel gear b, a transmission shaft, a bevel gear,a key, a motor reducer, a bevel gear ring, a motor, a bearing b and a bevel gear ring supporting rod; and the docking mechanism b comprises an electric connector b, a driven end mounting bottom plate,a passive end base, a liquid path disconnector b and a passive end guide flap. Guiding positioning docking, active capturing, active tightening, blind plugging electric connector plugging, liquid path breaker plugging and rigid locking of an aircraft interface and a spacecraft parking platform can be achieved through a simple structure.

The invention provides a square cone type butt joint locking device, which can realize the guided positioning butt joint, inactive capturing, active tightening-up, plugging of blind plug connector, rigid locking, and manual release of an exposing load and an exposing platform of a spacecraft cabin. The technical support of position supply can be provided to arrange the exposing load outside of thespacecraft cabin. The square cone type butt joint locking device comprises an active end and an inactive end. The active end comprises a microswitch 1, a bottom plate 2, a cone-shaped guiding face A3, a cone-shaped guiding face B4, a rigid locking device 6, a rack B9, a rack A11, a lead screw 14, a blind plug connector 19, a motor decelerator assembly 21, and a cover plate 20. The inactive end comprises a frame body 26, a cone-shaped face A23, a cone-shaped face B24, a blind plug connector socket 27, a capturing locking hole 22, an electric connector rack 29, and an electric connector socket30.

The invention aims to solve the problem that the connection of the existing automobile heavy-load connector affects the protection of a cable, and discloses an improved automobile heavy-load connectorcapable of improving a cable protection effect. The connector comprises a male plug body and a female plug body. The surface of the male plug body is sleeved with a first sleeve. A first fastening screw is fastened between the first sleeve and the male plug body, a first connecting block is bonded to the surface of the first sleeve, a first cable penetrates out of the right side of the male plugbody, a first ventilation box is bonded to the right side face of the first sleeve, and the surface of the female plug body is sleeved with a second sleeve. Driving of the hydraulic cylinder is reasonably utilized; inflation and deflation of an air bag belt are realized; the male plug body and the female plug body can be plugged and unplugged through cooperation of a spiral spring, melting or adhesion caused by long-time cooperation is avoided, the male plug body and the female plug body can be conveniently and rapidly separated and closed, design is reasonable, operation is convenient and useis safe and reliable.

The invention discloses a portable underwater wet-method non-electric welding method. The portable underwater wet-method non-electric welding method is suitable for emergency welding and maintenance of ships and ocean engineering underwater structures in emergency situations such as battlefields. The method can be used for underwater welding, and only needs a special welding rod for underwater power-free welding; and the welding rod is composed of a medicine column, a shell, a waterproof layer, a plug and an ignition part, the diameter of the welding rod is 10-25 mm, and the length of the welding rod is 100-300 mm; and other external energy and equipment is not needed during welding, the portable underwater wet-method non-electric welding method is convenient to carry and simple to operate, and can be used in situ, underwater damage metal components can be reliably welded and repaired, and the problems that an existing underwater welding method is heavy, a power source is not open andthe maneuvering flexibility is poor can be effectively solved.

The invention discloses a load docking locking and locking indication interface device for space application, and belongs to the technical field of space application equipment. The device comprises an active end and a passive end which are respectively and fixedly connected with an exposed load and an exposed platform of a spacecraft cabin; by matching main positioning pins, ball shearing pins and an auxiliary positioning pin at the active end with main positioning holes, a shearing hole, a kidney-shaped shearing hole and an auxiliary positioning hole in the passive end, a mechanical arm is guided to operate and dock the exposed load with the mounting position used for allowing the exposed load to be mounted; and by driving a lead screw through a motor reducer at the active end, a main body of a machine frame A, split bodies of the machine frame A, a main body of a machine frame B and split bodies of the machine frame B are driven to move along guide shafts to realize tightening of the exposed load, plugging and unplugging of electrical connectors of the exposed load, and rigid locking and reliable looseness prevention of the exposed load. Through the adoption of the device disclosed by the invention, the mechanical arm can be assisted to realize guide positioning and docking, passive capture, active tightening and rigid locking of the exposed load and the aircraft cabin.

The invention relates to the field of mechanical assembly, in particular to an automatic assembly production line of a spool. The automatic assembly production line comprises a feeding mechanism, an inserting mechanism, a detection device, an expanding edge press-fitting device, an automatic spot welding device, correction devices and a chain plate conveyor. The feeding mechanism conveys a core pipe and a spool blank to the inserting mechanism. The inserting mechanism inserts the core pipe into the spool blank and then conveys the spool blank to the chain plate conveyor. The chain plate conveyor sequentially feeds the spool blank obtained after inserting to a station of the detection device, a station of the expanding edge press-fitting device, a station of the automatic spot welding device and stations of the correction devices for machining, and automatic material taking and assembly are achieved. The automatic assembly production line of the spool is high in automation degree and high in interchangeability; when the specification of the spool is replaced, only a tool clamp needs to be replaced; and in the whole assembly process, mechanical arm operation is adopted, quality is greatly improved, safety performance is good, meanwhile, labor intensity is greatly reduced, and the space occupied by an assembly mechanism is quite small.

The invention provides an electrical connector capable of realizing plugging and unplugging underwater, and aims to solve the problem that an electrical connector which can be used underwater cannot realize plugging and unplugging underwater because all pin-jack pairs are unsealed. Key points are that: an insulator of each jack is barrel-shaped at the jack; an insulator of each pin is cylindrical at the pin; the cylindrical insulator of each pin can enter a barrel of the barrel-shaped insulator of a corresponding jack; and a sealing ring is arranged between each cylindrical insulator and a corresponding barrel-shaped insulator. The electrical connector has the advantages that: plugging and unplugging can be realized underwater, and the requirements of all places are met.

The invention discloses a space load butt locking interface device capable of realizing emergency unlocking and locking instruction and belongs to the technical field of a space application device. The space load butt locking interface device comprises an active end and a passive end, which are fixedly connected with an exposure load and a spacecraft cabin exposure platform respectively. Through cooperation of a main locating pin of the active end and a main positioning hole in the passive end, a mechanical arm is guided to enable the exposure load to be butted to a position to be installed; through a screw rod of the active end, a frame A main body, a frame A branch body, a frame B main body and a frame B branch body are driven to move along a guide shaft to realize rigid locking of the exposure load; when the device cannot realize unlock through an electric mode, mechanical unlocking of the active end and the passive end is finished manually by operating an emergency unlocking fixation assembly of the active end; and the state of a locking mechanism is indicated through a position state indicating mechanism of the active end. The device can assist the mechanical arm to realize guiding positioning and butting, rigid locking and manual unlocking of the exposure load and a spacecraft cabin.

The invention discloses a server. The server comprises a case capable of being installed on a cabinet, wherein a plurality of hard disk slots in which hard disks can be inserted and pulled are formed in the case; at least part of the case can be pulled relative to the mounting groove of the cabinet so as to expose the hard disk slots; and the hard disk slots are arranged in two rows in the drawing direction, the directions of notches of the two rows of hard disk slots are opposite, each row of hard disk slots are arranged in a matrix mode in the drawing direction, and the plugging direction of the hard disk slots is perpendicular to the thickness direction and the drawing direction of the case at the same time. According to the server, the two rows of disk slots are arranged in parallel on the case, and the whole case can be drawn relative to the mounting slot of the cabinet, or the part of the case provided with the disk slots can be drawn relative to other parts of the case, so that the disk slots are exposed, and the hard disks can be inserted into and pulled out of the disk slots; and due to the fact that the hard disk slots in each row are arranged in the drawing direction in the matrix arrangement mode, the hard disk slots can be arranged in the drawing direction as many as possible, and the placing density of the hard disks is improved.

The invention discloses a waterproof electric cabinet which comprises a power distribution cabinet body and a waterproof cover. Positioning blocks are fixedly mounted at the left side and the right side of the inner wall of the power distribution cabinet body, fixing mechanisms are fixedly mounted in the two positioning blocks correspondingly, and circular containing grooves are formed at the opposite ends of the two positioning blocks correspondingly. Clamping mechanisms are fixedly mounted in the two circular containing grooves correspondingly, positioning grooves are formed at the left sideand the right side of the waterproof cover correspondingly, and the two positioning grooves are slidably connected with the positioning blocks correspondingly. According to the cooperative use of thepower distribution cabinet body, the waterproof cover, the positioning blocks, a fixing mechanism, a square placement groove, an extrusion spring, a square convex block, a circular placement groove,the clamping mechanisms, a pneumatic cylinder, a piston, an extrusion rod, a limiting block, a circular clamping block, a positioning groove, a square groove, a circular clamping groove, a stop block,a sliding groove and a sliding block, the problem that the waterproof effect of an existing power distribution cabinet is not good, is solved, and the waterproof electric cabinet has the better waterproof effect.

The invention discloses a fan module, comprising a fan support provided with a clamp hole and a fan component arranged on the fan support, as well as a pull component for connecting the fan support toa case top shell positioned above the fan support, wherein the pull component includes a pull body bent outward, a fastening portion arranged at one end of the pull body and used for being clamped tothe clamp hole, and a rotating end arranged at the other end of the pull body and rotationally connected with the fan support; the rotating end is also provided with a jaw used for being clamped to amounting of a case shell; when the fastening portion is clamped to the clamp hole, the pull body drives the rotating end to rotate, thereby clamping the jaw to the mounting hole. The fan module is simple in structure, so that the problem can be solved that fan changing time is long. The invention also discloses a case comprising the fan module and a server comprising the case.

The invention discloses a disinfection device for food detection appliances. The disinfection device comprises a disinfection cabinet body, wherein two square socket joint grooves are formed in the left and right sides of the top of the disinfection cabinet body, fixing grooves are separately formed in the left and right sides of internal walls of the two square socket joint grooves, two square socket joint blocks are separately inserted inside the two square socket joint grooves, two circular through holes are separately formed inside the two square socket joint blocks, and fixing mechanismsare fixedly mounted inside the two circular through holes. According to the disinfection device for the food detection appliances, through matched use of the disinfection cabinet body, the square socket joint grooves, the fixing grooves, the square socket joint blocks, the circular through holes, the fixing mechanisms, circular stoppers, elastic telescopic rods, locating tubes, extruding springs,extruding rods, fixing blocks, exhausting equipment, supporting plates, partition boards, universal wheels, locating slots, locating blocks, limiting grooves and limiting blocks, the existing problemthat the efficiency of disinfection is low is solved; and the disinfection device for the food detection appliances has the advantage of high disinfection efficiency.

The invention belongs to the technical field of ambulances, in particular to a plug-in mechanism of a reloading ambulance. The plug-in mechanism is arranged at the bottom of an ambulance cabin of thereloading ambulance. The plug-in mechanism comprises: a steel wire rope, rope pull rods, a rope sliding block, a sliding block clamping block and a clamping block bayonet, the two ends of the two ropepull rods are respectively connected through a steel wire rope to form a rectangular sleeving frame; a plurality of rope sliding blocks are arranged on each steel wire rope at intervals; the steel wire rope is sleeved with the rope sliding block in a sliding mode. Each rope sliding block is fixedly connected with a sliding block clamping block. The clamping block bayonet is arranged on the fixedcolumn body of the fixed column; the inserting mechanism is provided with a lifting plate which can be hidden in the ambulance cabin so that the ambulance cabin can be inserted from left to right, above and behind, and after the rescue bin reaches the inserting position, the inserting mechanism falls down through the lifting plate and is embedded into an annular clamping groove of the fixing column in four directions through the steel wire rope and the sliding block clamping block, and inserting is achieved.

The invention belongs to the technical field of ambulances, in particular to a plug-in mechanism of a reloading ambulance. The plug-in mechanism is arranged at the bottom of an ambulance cabin of thereloading ambulance. The plug-in mechanism comprises plug-in connecting rods, connecting rod joints and a connecting rod driving slider, the four plug-in connecting rods are oppositely arranged end toend to form a rectangular insertion connecting rod chain; one connecting rod joint is arranged at each corner of the rectangular insertion connecting rod chain; each connecting rod joint is fixedly connected with a connecting rod driving sliding block and can be embedded into the annular clamping grooves of the four adjacent fixing columns at the same time, due to the fact that the plug-in unitsare of a four-connecting-rod structure, the plug-in units can deform into transverse or vertical long strips by controlling the diagonal distance, and then the ambulance cabin can be inserted from theleft, right, upper and rear portions.

The invention discloses a horticultural plant three-dimensional cultivation device with a drip irrigation system, and relates to the technical field of horticultural plant cultivation. The horticultural plant three-dimensional cultivation device with the drip irrigation system comprises a three-dimensional cultivation frame, at least one cultivation tank and a drip irrigation system; each cultivation tank is installed on the three-dimensional cultivation frame, a beam tube frame is fixed to the top of each cultivation tank, and a partition plate is installed in each cultivation tank; and the drip irrigation system is installed at one side of the three-dimensional cultivation frame. According to the horticultural plant three-dimensional cultivation device, through the arrangement of a recycling mechanism, particularly through a filtering assembly composed of a filtering plate and a filtering net, a water body can be filtered; and recycling of water resources can be achieved through thearrangement of a backflow pipe, a recycling box and a circulating pump, so that the utilization rate of the water resources is effectively improved, the waste of the water resources is avoided, the cost of plant cultivation is reduced, and the economic benefit of plant cultivation can be increased.

The invention discloses a self-tightening type capturing butt joint device and method. The device comprises a self-tightening type capturing butt joint assembly and a driven end, the driven end is arranged on one side of the self-tightening type capturing butt joint assembly, and the self-tightening type capturing butt joint assembly comprises an upper cover plate, floating electric connector sockets, a liquid-circuit making and breaking device free end, a shat hole, a shell, a small gear, a stretching screw rod, a holding-claw bracket, a stretching slab, a holding-claw, a contraction screw rod, a small contraction driving bevel gear, a big contraction driving bevel gear, a contraction shaft sleeve nut, a holding-claw slide shaft, a contraction motor, a stretching motor, a driving gear, anintegral transmission gear ring and a bearing, and the floating electric connector sockets are arranged at the two corresponding ends of one side of the upper cover plate. According to the self-tightening type capturing butt joint device and method, objects of a plurality of specifications can be captured in a self-adaption and contraction mode, the task adaptability degree is high, continuous driving capturing butt joint, blind plugging of an electric connector, plugging and pulling of the liquid-circuit making and breaking device and rigid locking between objects can be achieved, and the device is convenient to use.

The invention relates to a curtain rapid-leakage-plugging device in a high-water-head stratum and a working method thereof. The curtain rapid-leakage-plugging device in the high-water-head stratum comprises a water diversion system, an anchoring system and a cable tie. First a water diversion pipe is used for drawing water out of a water leakage hole, then a grouting pipe A is used for performinggrouting into an expansion bag located outside the water diversion pipe, and combined with a bracket also located outside the water diversion pipe, an anchorage body A is formed; a grouting pipe B isused for performing grouting into a cavity between the anchorage body A and the water diversion pipe and the hole wall of the water leakage hole to form an anchorage body B; at the moment, a gap between the water diversion pipe and the water leakage hole is completely blocked, and the water in the water leakage hole can only flow from the water diversion pipe, and a valve A of a water outlet of the water diversion pipe is finally closed to complete the water plugging. The curtain rapid-leakage-plugging device has simple principle, convenient operation, high plugging speed and good effect, andcan greatly improve the plugging quality of a water leakage curtain.

The invention discloses a steel-belt-driven butt joint locking device and method. The steel-belt-driven butt joint locking device comprises a driving end and a driven end, and the upper end of the driving end is in butt joint with the driven end; the butt joint locking device can assist in achieving guiding and locating butt joint, driving capturing, driving constricting, plugging and unplugging of a blind-plug electrical connector and rigid locking, and thus a technical support is provided for installing an object at a platform set position. According to the device and method, a motor reducerassembly at the driving end drives a lead screw to rotate, a lead screw nut pair pushes a driving rack to move upwards, then a steel belt on a steel belt capturing and locking assembly is driven to move, and thus three claws synchronously move to the outer sides to capture a locking rod at the driven end. The operating object is guided in being butt joint with the position for installing the object; besides, in the butt joint process, the object is automatically captured, and the safety in the connecting process is guaranteed; the object is electrically subjected to constricting, plugging andunplugging of electric connectors, rigid locking and reliable looseness prevention.

The invention discloses a software development display convenient to place and install, and belongs to the field of software development. The software development display convenient to place and install comprisesa display body, the top of the display body is fixedly connected with a supporting rod; the bottom of the supporting rod is fixedly connected with a mounting cylinder; a supporting seat isarranged at the bottom of the mounting cylinder; an inserting groove is formed in the top of the supporting base, the bottom of the mounting barrel extends into the inserting groove to be connected with the inserting groove in an inserted mode, a transmission rod is arranged on the right side of the mounting barrel and located above the supporting base, a rotating disc is fixedly connected to theright end of the transmission rod, and a limiting device is arranged on the rotating disc. Through the cooperative use of the transmission rod, the conical driving wheel, the conical driven wheel, the lengthened rotating rod, the worm and the threaded rod, the inserting device can be inserted into the inserting hole, the display body can be quickly placed and installed, the operation is simple, and the popularization is worthy.

The invention discloses a multi-stage elastic cabin vibration isolating device realizing vibration damping based on a pneumatic tire. The multi-stage elastic cabin vibration isolating device comprisesa housing, two end part connecting parts, a vibration isolating component and two sealing parts, wherein the vibration isolating component and the two sealing parts all are arranged inside the housing; the outer wall of the housing is fixedly connected with the wall of a cabin; the sealing parts are symmetrically arranged by taking a vibration isolating component as the center; the sealing partsand the vibration isolating component are coaxially arranged on a pipeline in a sleeving manner, and the end faces of the sealing parts and the vibration isolating component are pressed closely; the two end part connecting parts are correspondingly arranged at the two ends of the housing and are connected with the sealing parts; the vibration isolating component comprises a first-stage vibration isolating group; the first-stage vibration isolating group comprises a plurality of first-stage pneumatic tires which are nested in the radial direction; and the outer circumferential surface of each first-stage pneumatic tire is provided with a plurality of circumferential saw-toothed slots. The multi-stage elastic cabin vibration isolating device disclosed by the invention has the beneficial effects that a plurality of layers of pneumatic tires are overlapped together to form a pneumatic tire structure having a cavity; the structure is deformed after being extruded; the air in the cavity alsohas certain rigidity; and thus multi-stage vibration isolation is realized in the radial direction.

The invention provides a plug-in type bus duct, a plug-in unit, a plug-in type bus system and an installation tool. The bus duct comprises a housing and multiple bus units arranged in the housing. A first opening in which the plug-in unit can be inserted is arranged in the bottom of the housing. Each bus unit comprises an insulation assembly arranged in the housing and a conductive assembly. A second opening is arranged in the top of each insulation assembly. Each conductive assembly is arranged in and surrounded by the corresponding insulation assembly. A conductive structure which is in electric contact with a plug-in head, which is vertically inserted in the corresponding second opening, of a plug-in unit is arranged in a part, facing the corresponding second opening, of the corresponding conductive assembly. The invention also relates to the plug-in unit which is matched with the plug-in type bus duct, the plug-in type bus system formed by the plug-in type bus duct and the plug-in unit cooperatively, and an auxiliary installation tool. In the plug-in type bus system, the plug-in unit is in upwards vertical plug-in connection with the bus duct and the plug-in unit is directly hung in the bus duct, so the connection stress is balanced, the electric contact is firm, and the plug-in bus system is not liable to loose, and high in reliability and safety.