489results about How to "Plug firmly" patented technology

The invention discloses a left auricle occluding device. The left auricle occluding device comprises a sealing disc and an anchoring device, both of which are connected. The position where the anchoring device is matched with a left auricle is an anchoring net of a boneless structure. The overall anchoring device is of a boneless structure and formed by weaving of hyper-elastic metal wires or memory alloy metal wires. The far end of the anchoring device is in the shape of an opening. The near end of the anchoring device is collected and connected with the sealing disc to form a conical net. The far end of the anchoring device is opened and turned up towards the near end to form the anchoring net surrounding the conical net. The anchoring net is joined with the conical net by means of a circular transition area. The left auricle occluding device has following beneficial effects: force can be uniformly distributed to be anchored in the interior of the left auricle in order to eliminate concentration of local stress and can also be repeatedly released; and an opening part of the left auricle is effectively and reliably blocked.

The invention provides an intraductal intelligent plugging device, which comprises a main drive cylinder, a pressure head, an actuator disk, an extrusion bowl, at least two locking slide blocks, a ring spacer and a signal transceiver device, wherein, the main drive cylinder is provided with a cylinder body, a piston and a piston rod connected with the piston; the pressure head is connected with the end of the piston rod far away from piston; the actuator disk is connected with the cylinder body; the extrusion bowl is arranged between the pressure head and the actuator disk in a sliding way, and the extrusion bowl is provided with a tilted conical slide surface and an extrusion end face; each of the two locking slide blocks is connected with a subsidiary drive cylinder, and each subsidiary drive cylinder is fixed on the actuator disk; the bottom surface of the locking slide block is matched with the conical slide surface of the extrusion bowl in a sliding way, and the locking slide block performs the locking function in a radial expansion way when sliding upward along the conical slide surface; the ring spacer is arranged between the pressure head and the actuator disk, and is extruded by the extrusion end face of the extrusion bowl to perform the plugging function in a radial expansion way; the signal transceiver device is connected with the intraductal intelligent plugging device to receive control signals to drive the main drive cylinder.

The invention discloses an anti-loose electric power supply plug device, which comprises a plug mechanism, a socket mechanism and a fixed base, wherein the plug mechanism comprises a tensioning piece, a plug piece, a power transmission line and a shaft rod arranged between the tensioning piece and the plug piece; a control cavity is arranged in the socket mechanism; a hollow mechanism is arranged in the socket mechanism at the left side of the control cavity; a first cavity is arranged in the socket mechanism at the right side of the control cavity; a second cavity is arranged at the right side of the first cavity; the control cavity is internally connected to a plug projecting tongue piece in a sliding manner; a stud is fixedly arranged at the end face of the left side of the plug projecting tongue piece; the right side end of the plug projecting tongue piece penetrates through the first cavity and the second cavity and stretches out of the right outer wall of the socket mechanism; the plug projecting tongue piece is connected to a resisting piece in a sliding manner; a sliding groove is arranged at the outer circle of the left section of the plug projecting tongue piece; through holes are arranged in the right section of the plug projecting tongue piece vertically and equally; a locking groove is arranged in each through hole; and a lock pin is arranged in each locking groove.

The invention discloses an air purification device, which comprises a wall body and a purifier arranged under the wall body, wherein a regulation and control part is arranged in the center of the front end surface of the purifier; an atomization opening is formed in the front end surface of the purifier arranged above the regulation and control part; a power distribution seat is fixedly arranged at the front end surface of the wall body; an electric connection head is arranged at the bottom of the power distribution seat; the bottom of the electric connection head is provided with a conducting wire connected with the back side surface of the purifier; a hollow groove is formed in the inner bottom of the power distribution seat; slide connection grooves are respectively formed in the two sides of the hollow groove; screw rods are arranged in the slide connection grooves; the tops of the screw rods are connected with an electric rotating machine; a slide connection plate is arranged in the hollow groove; the two side ends of the slide connection plate penetrates through the slide connection groove and is connected with the screw rods in a matched way through screw threads; the bottom of the slide connection plate is provided with an assembly block; the bottom of the assembly block penetrates through the bottom wall of the power distribution seat and is in slide matched connection with the power distribution seat; first pushing cavities are correspondingly arranged at the left side and the right side inside the assembly block. The air purification device has the advantages that the structure is simple; the operation is convenient; the automatic insertion connection power supply is realized; the safety is high.

The invention relates to a crown spring cage tyep pin and jack component and a jack thereof. the crown spring cage tyep jack comprises an inner sleeve, wherein an outer sleeve is sleeved outside the inner sleeve, a crown spring penetrates through the inner bore of the inner sleeve; two parallel elastic clamping strips are symmetrically arranged on the port part of the inner bore of the outer sleeve; and the distance between the two elastic clamping strips is less than the minimum internal diameter of the crown spring. The crown spring cage tyep pin and jack component comprises a pin and a jack, wherein the jack contains the inner sleeve; the outer sleeve is sleeved outside the inner sleeve, the crown spring penetrates through the inner bore of the inner sleeve; the two parallel elastic clamping strips are symmetrically arranged on the port part of the inner bore of the outer sleeve, the distance between the two elastic clamping strips is less than the internal diameter of the crown spring; and the pin contains a needle-like connection-peg, and the circumference surface of the needle-like connection-peg is provided with a clamping structure which fits with the two elastic clamping strips in a clamping manner. The elastic clamping strips are arranged on the port part of the jack; and during plugging, the clamping structure on the pin fits with the elastic clamping strips in the clamping manner, thus the reliable plugging of the pin and the jack can be realized and the pin is difficult to separate from the jack.

The invention provides an adjustable rotary oblique-cutting automatic grafting device and a method. The device comprises a worktable, a rack, and a scion clamping and conveying mechanism, a scion cutting mechanism, a stock perforating mechanism and a stock clamping and conveying mechanism which are sequentially arranged from the left to the right. The scion clamping and conveying mechanism comprises a scion clamping drive mechanism, a pneumatic scion claw and a scion chuck which are sequentially connected from the top to the bottom, wherein the scion clamping drive mechanism is connected onto the worktable through the rack. The scion cutting mechanism comprises a scion cutting drive mechanism, a cutter mechanism and a scion cutting positioning block, wherein the scion cutting drive mechanism is connected with the cutter mechanism, the scion cutting positioning block is arranged at the front side of the cutter mechanism, and a cutter guide groove and a positioning groove are arranged on the side wall of the scion cutting positioning block. The scion cutting drive mechanism, the scion cutting positioning block and the stock clamping and conveying mechanism are respectively fixed on the worktable through the rack. The adjustable rotary oblique-cutting automatic grafting device has the advantages of convenience in operation, simple process and the like.

This invention discloses a method for blocking cracks, dissolved caverns, cavities and pores in underground rock stratum. The formula comprises: a filtering substance, a solid and a carrying fluid. The filtering substance contains multiple fluid-flowing channels that run through the filtering substance. The solid is used for blocking the fluid-flowing channels. The carrying fluid is used for carrying the filtering substance and / or the solid in the openings of cracks, dissolved caverns, cavities and pores in underground rock stratum. When the carrying fluid carrying the filtering substance into the opening, a bridge is generated to partly block the opening while still supply fluid-flowing channels. The solid and / or solidifiable fluids are introduced into the fluid-flowing channels of the filtering substance, where the solid and / or solidifiable fluid accumulate and form a sealing structure. With the formula, the openings at the wellbore section can be sealed.

The invention relates to supporting and construction method of a steel sheet pile under soft foundation of a high flow plastic deep layer, and belongs to the technical field of building construction.The supporting and construction method of the steel sheet pile under the soft foundation of the high flow plastic deep layer comprises the steps of construction preparation, construction of guiding purlins, injection of a steel sheet pile, excavation and water drainage, foundation trench interior construction and removing of the steel sheet pile. The supporting and construction method of the steelsheet pile under the soft foundation of the high flow plastic deep layer is simple and easy to implement during the construction process, is easy to popularize, and can effectively stop water and prevent piping, and almost all supporting and protecting facilities can be reused after being disassembled.

The invention relates to an internal expansion plugging device for a cam shaft hole. The internal expansion plugging device for the cam shaft hole comprises a pull rod, a rear end inner sleeve, inner sleeves, a front end inner sleeve, outer sleeves, O-shaped rings, a pin, a handle and springs, wherein a boss structure with the increased outer diameter is arranged at one end of the pull rod, the other end of the pull rod is movably connected with the handle through the pin, a cam structure is arranged at the position of connection between the handle and the pull rod, and the pull rod penetrates through the rear end inner sleeve, the first O-shaped ring, the first outer sleeve, the second O-shaped ring, the first inner sleeve, the third O-shaped ring, the second outer sleeve, the fourth O-shaped ring and the front end inner sleeve in sequence. According to the internal expansion plugging device for the cam shaft hole, the purpose of plugging an oil hole formed in the multi-gear cam shaft hole can be effectively achieved, and plugging is reliable.

The invention relates to a busway jack box with high safety performance. The jack box comprises a box body, wherein a jack seat, pins and a support positioning mechanism are arranged at the bottom of the box body; a locking mechanism is respectively arranged on two sides of the box body; the jack seat is fixed at the bottom of the box body through a fixed seat of the jack seat, and the pins can run through horizontal fixed grooves; a jack seat gasket is arranged at the bottom of the support positioning mechanism, and is arranged around the inner wall of the horizontal fixed groove, and is fixedly connected with the fixed seat of the jack seat through screws, so that the jack box can be jacked accurately, conveniently and quickly, and the safety and reliability of hot plugging can be ensured.

The oil pumping pipe blocking device of marmem is for blocking leakage in oil pumping pipe mainly and may be used also in other deep pipes. The present invention features that the blocking device is plum pipe made of marmem and in the thickness of 1-5 mm and diameter of 90-160mm at normal temperature and 100-200 mm after being heated; and that the blocking device together with one heating unit is fed to the leakage site inside the oil pumping pipe and heated through remote control to temperature up to 300 deg c for restoring its diameter and interference fitting to the leakage oil pumping pipe. The marmem of different alloy lines is produced through vacuum or atmospheric smelting and casting, fine machining into the marmem pipe, cooling in dry ice or liquid nitrogen and molding into plum pipe. The present invention has reliable blocking, convenient operation and low cost.

The invention discloses a portable cutting device. The portable cutting device comprises a cutting machine and a socket, wherein the cutting machine comprises a cutting table, a cutting gear and a base, the cutting gear is embedded into the cutting table and is connected with the cutting table in a rotating and matching way, the base is arranged at a bottom part of the cutting table, a pin is arranged at a bottom part of the socket, a power line is arranged at a bottom part of the pin and is connected with a bottom surface of a rear side of the base, an accommodating bin is arranged at a bottom part of the socket, sliding grooves are formed in a left side and a right side of the accommodating bin, studs are arranged in the sliding grooves, top parts of the studs are connected with a motor, a lifting plate is arranged in the accommodating bin, two side ends of the lifting plate penetrate through the sliding grooves and are in threaded connection with the studs in a matching way, a lifting block is arranged at a bottom part of the lifting plate, the bottom part of the lifting block penetrates through a bottom wall of the socket and is movably connected with the bottom wall of the socket in a matching way, first sliding grooves are symmetrically formed in a left part and a right part of the lifting block, hole grooves are formed in top parts of the first sliding grooves, and a connection groove is formed in an end surface of the bottom part of the lifting block. The portable cutting device is simple in structure and high in safety, and is convenient to operate, and automatic connection power supply can be achieved.

The invention relates to a case function module test fixture. The test fixture comprises a fixture body. The fixture body is provided with a slot for a to-be-tested function module to be inserted into. A guide rail used for being in guide fit with a guide structure on the to-be-tested function module is arranged on the slot. The fixture body is further provided with a test connector used for being in insertion fit with a module connector on the to-be-tested function module along the guide direction of the guide rail, and a locking structure used for locking the to-be-tested function module inserted in place onto the fixture body. The test connector is connected with a signal lead-out terminal for leading out a test signal. The fixture can simulate the situation in which the to-be-tested function module is inserted into a slot of a case, and facilitates insertion fit between the test connector and the module connector. In addition, the fixture body is further provided with the locking structure used for locking the to-be-tested function module inserted in place onto the fixture body, so that the to-be-tested function module inserted in place can be firmly fixed on the test fixture, and dynamical environment test can be conducted.

The invention discloses a flange clamp which is used for bolt corrosion and line sealing. The flange clamp comprises a cylindrical clamp body, wherein the cylindrical clamp body comprises at least two parts, ear plates are respectively arranged on the side walls of each part and are provided with bolt connecting pores, the two adjacent parts are connected through connecting bolts which are arranged in the bolt connecting pores, a boss is toroidally arranged on the inner wall of the cylindrical clamp body, two grooves are formed between the boss and the two end faces of the cylindrical clamp body, the side wall of the cylindrical clamp body are provided with multiple agent-injecting screwed holes which penetrate through the top face of the boss, two end faces of the cylindrical clamp body are respectively provided with multiple fastening screwed holes, bolts are connected in the fastening screwed hole, and the ends of the bolts props against the side wall of a flange. By adopting the clamp provided by the invention, plugging can be carried out safely and reliably without changing the original sealing structure, so that the flange bolts can be well protected and also can be prevented from being broken when a sealant is injected.

The invention discloses a pipeline interior rapid self-locking blockage device and belongs to the technical field of pipeline blockage. The pipeline interior rapid self-locking blockage device is reliable in blockage and can achieve flow guiding. According to the adopted technical scheme, a blockage unit is an inflatable blockage device and is provided with an axial through hole; a traction unit is of a structure with an electric control valve mounted on a hollow pipe, and an outer thread is formed on the hollow pipe; a tensioning unit comprises the structure that axial through holes are formed in a fixed seat and a movable seat correspondingly, the fixed seat and the movable seat are connected through a spring, one ends of first supporting rods are hinged to the fixed seat, antiskid blocks are hinged to the other ends of the first supporting rods, one ends of second supporting rods are hinged to the movable seat, and the other ends of the second supporting rods are hinged to the middles of the first supporting rods; and the hollow pipe penetrates through the tensioning unit and then is fixed to the blockage unit together, a first gear and a sleeve are mounted on the hollow pipe ina sleeving mode, and a second gear is fixed to an output shaft of a motor and engaged with the first gear. The pipeline interior rapid self-locking blockage device is used for pipeline blockage.

The invention provides a motor train unit body which comprises an underframe and a power system module suspended below the underframe. The underframe is provided with a maintenance port convenient to maintain the power system module. A passenger carriage floor is covered on the top surface of the underframe and around the maintenance port. The motor train unit body further comprises a maintenance door used for plugging the maintenance port. The maintenance door comprises a top plate, a reinforcing plate and a soundproof plate from the top to bottom, wherein the soundproof plate is used for proofing sound, the top plate, the reinforcing plate and the soundproof plate are fixedly connected integrally, the periphery of the top plate is jointed with the passenger carriage plate, and the top plate is detachably fixedly connected to the passenger carriage plate and / or the underframe. The maintenance port can be conveniently opened during maintaining and can be reliably plugged during normal running, carrying strength of the maintenance door and safety are improved, sealing and soundproof effect is good, noise transmitted to passenger carriages from the power system module can be reduced, and thereby noise in the passenger carriages is effectively reduced.

The invention relates to an expanding type pipe plugging head and a body mechanism thereof. The expanding type pipe plugging head and the body mechanism are mainly used for water plugging for transformation, emergency maintenance, dredging and the like of municipal drainage pipes. The expanding type pipe plugging head comprises an elastic plugging cap and an expanding ring, and the expanding ring is installed in the elastic plugging cap, and is driven by a dilatation mechanism to generate dilatation deformation in the radial direction. The elastic plugging cap is plugged into the portion, close to a pipe opening, of a pipe through dilatation deformation of the expanding ring. The expanding type pipe plugging head has the high universality, can adapt to plugging operation of the pipes with different pipe diameters, is convenient to use, large in plugging force and reliable in plugging, and has high market value and using value.

The movable capping safe air-pocket of the working-face end in the integrated mining is characterized in that: a soft cyst is set for inflating or bleeding air. The inflatable shape of the soft cyst is pier. It erects on the base plates of the upper and lower ends of the integrated mining working-face. Its roof and both side parts are anastomotic with the roof board and the two side boards of the tunnel separately to form the capping wall of the integrated mining working-face ends. The invention takes place of the existing capping mode with coalsacks hacking and building wall, which can lighten the workers' working strength, save the resources and cost and improve the capping effect and reliability.

The invention relates to a positioning and locking device for blind plug connectors. The device is designed to position and lock a machine cabinet and a machine case. The machine cabinet is of a U shape and the inner sides at its two opening ends are provided respectively with a first guide rail and a second guide rail, and the inner side of its closed end is provided with a pin guiding mechanism and a plug. The two exterior sides at one end of the opening end of the machine case facing the machine cabinet is provided respectively with a first sliding block and a second sliding block wherein the first sliding block is capable of sliding along the first guide rail and the second sliding block is capable of sliding along the second guide rail. One end of the closed end of the machine cabinet facing the machine case is provided with a guide sleeve mechanism and a plug holder. The pin guiding mechanism can be adapted and mounted inside the guide sleeve mechanism. The plug can be adapted and mounted inside the plug holder. According to the technical schemes of the invention, it is not only possible to realize the successful blind plugging of connector but also possible to enable that the plug of the connector and the plug holder are well positioned and locked to be adaptive to an externally shaking environment.

A compressed water pump, including a T-type single sweep tee 10 with a water inlet, the first water outlet 11 and the second water outlet 12. There are a reducer 20 in 11 and a straight tube 30 in 12 and in the 20 and 30 there are closing plugs 24 & 32 and spring 25 & 33 . 24 & 25 can traverse move in the reducer and open or cap the water entryway. When water pressure is lower than pressure of 25, the inner water tube in the reducer is open; when water pressure is lower than pressure of 33, the inner water tube in the straight tube is closed; when water pressure is lower than pressure of two springs, water flows outlet from the opening reducer; when water pressure is higher than pressure of two springs, water flows outlet from the straight tube. This invention can control which water outlet open by changing water pressure.

The invention discloses a cycling switch valve under a well. The cycling switch valve under the well is designed to satisfy various technological requirements of high-pressure water injection well working under pressure. A cycling locking mechanism is designed inside a valve to enable the cycling locking mechanism to smoothly achieve unlimited times of cycling opening and closing movements of the valve through pressure inside an oil pipe on the ground. Opening and closing of the valve are only controlled by pressure difference between oil and a sleeve pipe and oil pipe flow rate, and have nothing to do with formation pressure, and therefore the cycling switch valve under the well can bear larger formation pressure, and then reliable sealing and plugging of the oil pipe are achieved. Due to the fact that a self-sufficient type lubrication system is arranged in the valve, lubricating oil can be supplied timely, so that a reversing part of the cycling switch valve under the well is enabled to work in a good environment, and service life is prolonged. Reversing pressure difference and flow rate of the cycling switch valve under the well can be set through the change of the dimensional coordination of parts inside the cycling switch valve under the well, and therefore the cycling switch valve under the well is enabled to be applied to field operation within areas with different formation pressure.

The invention relates to a pipeline plugging device. The pipeline plugging device comprises a supporting rod, an expansion ring and a sealing hood, wherein the right end of the supporting rod is provided with a fixed ring, and the middle portion of the supporting rod is provided with a sliding ring; the expansion ring comprises first arc-shaped parts and second arc-shaped parts which are alternately distributed in the circumferential direction, the first arc-shaped parts are provided with guiding portions, the side faces, corresponding to the two ends of the first arc-shaped parts, of the guiding portions are guiding faces, the guiding faces are provided with sliding grooves, the two side walls of the sliding grooves are provided with guiding holes, the guiding holes in the adjacent firstarc-shaped parts form shapes like a Chinese character 'ba', the second arc-shaped parts are provided with support lugs, the support lugs are correspondingly hinged to the fixed ring and the sliding ring through first connection rods and second connection rods, the two ends of the second arc-shaped parts are provided with sliding blocks located inside the sliding grooves correspondingly, and the two sides of the sliding blocks are provided with guiding columns located inside the guiding holes correspondingly; and the sealing hood is sleeved on the expansion ring from right to left and is fixedly connected with the first arc-shaped parts correspondingly. The pipeline plugging device has the advantages of being simple in structure, convenient to operate and control, reliable in plugging and high in adaptability, equal-diameter holes do not need to be arranged in a pipeline, and the operating efficiency is improved.

The invention relates to a gas extraction drill hole plugging method and device. The gas extraction drill hole plugging method includes steps of 1) setting at least one plugging device, wherein each plugging device comprises a soft bag filled with polyurethane A and B which are isolated, two sides of the A and the B are connected with two vent pipes via tee joints respectively, and one of the vent pipes is placed in an elastic bag; 2) respectively winding and fixing the soft bag and the elastic bag on a gas extraction pipe inserted into an extraction drill hole, and the vent pipe on the outer side of the extraction drill hole is connected with a pressure gas source; 3) starting the pressure gas source, wherein pressure gas enters the vent pipes to extrude the A and the B into the elastic bag, and the A and the B are mixed to form thick size and are expanded in the elastic bag to plug the drill hole. The gas extraction drill hole plugging device is simple in structure, convenient to use and widely applicable to plugging of various gas drill holes.

The invention relates to a valve device, in particular to a tap water cut-off leakage-proof protection valve device, which is assembled at the water supply end of a tap water pipe net and plays a role in water cut-off leakage-proof protection. The tap water cut-off leakage-proof protection valve device comprises a leakage-proof protection valve (2) and a reset starting valve (6) connected in parallel. The leakage-proof protection valve (2) is provided with a float chamber (4); a water inlet and a water outlet are formed at the upper and lower ends of the float chamber (4); a floating plug (3) is arranged inside the float chamber (4); and the water outlet is completely closed when the floating plug (3) is attached to the water outlet of the lower end of the float chamber (4). The reset starting valve (6) is a switch valve used for opening the leakage-proof protection valve (2) after the water supply is recovered. The tap water cut-off leakage-proof protection valve device implements plugging by using the pressure of the tap water acting on the floating plug, realizes the reset starting of the leakage-proof protection valve by using the water pressure and the floating force of the floating plug in the water, and has simple structure and reliable plugging. Therefore, the leakage-proof water tightness of the whole device is easily guaranteed, and the reset operation is more convenient.

The invention discloses a connecting structure of a plug-in pipe fitting. The connecting structure comprises two fixed end pipes and the plug-in pipe fitting for connecting the two end pipes and is characterized in that the two ends of the plug-in pipe fitting are inserted to the two end pipes respectively, movable sleeve connection with the adjustable relative displacement is formed between the plug-in pipe fitting and at least one end pipe, and a buckling mechanism for limiting the relative displacement is arranged between the plug-in pipe fitting and the corresponding end pipe. Compared with the prior art, the connecting structure of the plug-in pipe solves the problem that the two ends of a hard pipe cannot be connected in a plug-in mode, ensures connection reliability, and effectively prevents pipeline connection loosening caused by transportation vibration.

The invention discloses an improved left auricle occluder. The improved left auricle occluder comprises a sealing disc and an anchoring device, wherein the sealing disc is connected with the anchoring device; at least two flow stopping membranes are arranged in the sealing disc; a portion, which is matched with a left auricle, of the anchoring device is an anchoring net; and the anchoring net is a boneless structure. The whole anchoring device is a boneless structure. The anchoring device is knitted by metal wires, a far end of the anchoring device is in the shape of an opening, and a near end of the anchoring device is tucked, is connected with the sealing disc and is in the shape of a conical net; the far end of the anchoring device is opened and turned up towards the near end to form the anchoring net; and the anchoring net surrounds the conical net. By the improved left auricle occluder, a left auricle opening can be occluded in a multi-layered manner, force is uniformly distributed in the left auricle during anchoring, local stress concentration is eliminated, repeated release can be implemented, and the left auricle opening can be occluded effectively and reliably.