132results about How to "Avoid unplugging" patented technology

The invention discloses a charging device for a new-energy vehicle. The charging device includes a column and a sliding cavity which is arranged in the column, the upper portion of the left side of the column is provided with an insertion cavity, a power supply part for being in matched connection with a charging part of the new-energy vehicle is arranged in the sliding cavity in an up and down sliding mode, the power supply part includes a downward sliding part and an upward sliding part which is fixedly connected with the downward sliding part, the left side of the upward sliding part is provided with a first power supply hole, the right side of the upward sliding part is provided with a power supply column, and a locking part for locking the charging part is further arranged in the upward sliding part. The charging device for the new-energy vehicle is simple in overall structure, safe and stable in running, relatively low in cost, convenient to mount and maintain and easy to operate, the continuity of electric vehicle charging can be achieved, charging is prevented from being broken midway, and the charging device is suitable for popularization and usage.

The invention relates to a blocking element (1) for a dosing mechanism of an injection device with at least one holding element (1a) that can interact with the dosing mechanism, or with a dosing element (2) of the dosing mechanism, in such a way that an adjustment movement of the dosing mechanism or of the dosing element can be prevented in a starting position of the blocking element and is permitted only after a movement or displacement of the blocking element or of the holding element. The invention also relates to a method for preparing an injection device for dispensing a substance from anampoule or two-chamber ampoule (5), wherein the ampoule or two-chamber ampoule is introduced and preferably screwed into the injection device, and the blocking or anti-rotational locking of the dosing or adjusting element or lifting element of the injection device is only released when the ampoule has been introduced so far into the injection device that a substance can be dispensed from the ampoule in a defined or dosed manner, or that the substances contained in the two-chamber ampoule are preferably completely mixed.

The invention discloses a hair dryer device. The hair dryer device comprises an electricity connection shell and a skating cavity formed in the electricity connection shell, the upper portion and the lower portion of the right side of the electricity connection shell are provided with hanging arms front and back in a corresponding mode, each hanging arm is provided with a hanging hole, the upper portion of the left side of the electricity connection shell is provided with an inserting groove, the skating cavity is provided with an electricity connection device which is capable of sliding left and right and is used for being coordinately connected with an electricity connection pin which connects the hair dryer, the electricity connection device comprises a lower movable section and an upper movable section which is fixedly connected with the lower movable section, the left side of the upper movable section is provided with a first electricity connection groove, the right side off the upper movable section is provided with an electricity connection column, and the upper movable section is further provided with a locking-connecting device which is used for conducting locking-connecting on the electricity connection pin. The hair dryer device is simple in overall structure, safe and stable in operation, low in cost, convenient to install and maintain, and simple in operation; meanwhile, the continuity of power supply to the hair dryer can be achieved, the situation that the power supply is broken down halfway is prevented, and thus the hair dryer device is suitable for being applied and popularized.

A connector device provided by the present invention can simultaneously realize the motion towards a vertical direction and the motion towards a horizontal direction by one action. One end of a cable can be installed at one side of the peripheral surface of a first shell of a first connector, when the first connector is installed at a second connector, the inner circumferential surface of a second shell of the installable second connector is opposite to the outer circumferential surface of the first shell outside one side, and at least one part of the outer circumferential surface of the first shell opposite to the inner circumferential surface of the second shell is equipped with an inclined surface. The inclined surface is closer to the installation surface, and extends from one side of the cable to the other side along with the extension direction of the cable. The inclined surface impacts at least part of the second shell, so that during the process that the first connector is installed relative to the second connector, the first connector extends along the extension direction of the cable, relative to the second connector, and from one side of the cable to the other side.

The invention discloses a household vertical farm plantation cabinet and a control method thereof; the household vertical farm plantation cabinet comprises a cabinet body and a cabinet door; the cavity of the cabinet body is isolated by isolation plates so as to form a bean sprout / seedling growth zone, a leaf vegetable seedling nursery zone, a leaf vegetable seedling growth zone, and a leaf vegetable seedling ripening zone; air channels used for air mutual circulation are arranged between the bean sprout / seedling growth zone, the leaf vegetable seedling nursery zone, the leaf vegetable seedling growth zone, and the leaf vegetable seedling ripening zone; a first planting device is arranged in the bean sprout / seedling growth zone; a nursery box is arranged in the leaf vegetable seedling nursery zone; a second planting device and a LED vegetation lamp are arranged in the leaf vegetable seedling growth zone; a second planting device and a LED vegetation lamp are arranged in the leaf vegetable seedling ripening zone. The household vertical farm plantation cabinet can simultaneously plant vegetables needing photosynthesis and vegetables needing breathing effect, and can respectively control the vegetable needing photosynthesis in the cabinet body in different growth phases.

The invention belongs to the technical field of medical instruments and particularly relates to a transfusion nursing device for neurology. The transfusion nursing device comprises a transfusion support, a transfusion pipe fixing device and an arm fixing device. The transfusion support comprises a base and a support rod. A hook and two sliding sleeves are arranged on the support rod, and the two sliding sleeves are fixed on the support rod through a bolt and are connected with the transfusion pipe fixing device and the arm fixing device respectively. The transfusion pipe fixing device comprises a transfusion pipe fixing plate provided with a transfusion pipe fixing sleeve. The arm fixing device comprises an arm press plate and an arm support plate, an elastic arc-shaped fixing plate is arranged between the arm press plate and the arm support plate, an arm fixing belt is respectively arranged on the arm press plate and the arm support plate, and a hasp is respectively arranged on the end portions of the arm fixing belt. The transfusion nursing device is reasonable in design, facilitates transfusion and saves time and labor.

The present invention relates to a method for producing jacquard carpet with several pile-heights by adopting non-vector quantification pattern method. The technical scheme adopted by said invention includes the following steps: creating mathematical function relationship of carpet surface pile position and height and its non-vector quantification pattern pixel point correspondent position and gray level; utilizing carpet loom to make line-by-line or column-by-column scanning according to the pattern pixel arrangement created by using the above-mentioned mathematical function formula and weave the invented jacquard carpet. Said carpet loom includes guideway, crossbeam, machine frame, yarn bobbin, compound needle mechanism, inner needle variable-stroke reciprocating mechanism, outer needle reciprocating mechanism, revolving mechanism and antislip needle.

The present invention discloses a convenient-to-use mobile phone device. The device comprises a frame body and a slipping connection cavity arranged in the frame body; a plug-in trough is arranged atthe upper portion of the left side of the frame body; a transmission assembling unit being arranged in left and right sliding mode and being matchingly connected with an electric connection head connected with a cutting machine is arranged in the slipping connection cavity; the transmission assembling unit comprises a lower slipping connection section and an upper slipping connection section fixedly connected with the lower slipping connection section; the left side of the upper slipping connection section is provided with a first electric connection hole; the right side of the upper slippingconnection section is provided with an electric connection column; and the upper slipping connection section is internally provided with a locking device configured to lock the electric connection head. The convenient-to-use mobile phone device is simple in whole structure, safe and stable to operate, low in cost, convenient to install and maintain and simple to operate, can realize continuity ofmobile phone power supply, can avoid disconnection of power supply at half way and is suitable for popularization and application.

The invention discloses a lifting LED (Light Emitting Diode) display. The lifting LED display comprises a base, a display and a lifting mechanism, wherein the lifting mechanism comprises a driving mechanism and a guiding mechanism, the driving mechanism is arranged in the base, and the guiding mechanism is fixedly arranged at the rear end of the display and comprises dovetail guiding sliding rails which are vertically and fixedly arranged on the upper end surface of the base and a threaded rod which is fixedly arranged on the upper end surface of the base and is connected with the dovetail guiding sliding rails; the display is matched with the dovetail guiding sliding rails through a dovetail sliding groove for guiding and is in threaded connection with the threaded rod; the driving mechanism comprises a worm gear which is fixedly arranged on the threaded rod and stretches into the end of the base and a worm which is used for driving the worm gear to rotate; the end, which stretches out of the base, of the worm is fixedly provided with a hand wheel. By adopting the technical scheme, the display vertically passes in a lifting way, the hand wheel is rotated to drive the worm to drive the worm gear to rotate, thus the threaded rod is further driven to rotate, the display is driven to ascend or descend along the dovetail guiding sliding rails by the rotating of the threaded rod, the pulling-up operation is completely avoided by such structure, and the lifting LED display can be stably positioned when the lifting LED display is lifted to a certain height.

The invention provides a construction method for drawing out a prestress high concrete (PHC) pile and reusing the PHC pile for retaining in deep excavation. The pile drawing method mainly comprises the steps of pile and soil separation carried out through a high-pressure swing jet grouting soil removal method, static pile drawing through a pile drawing machine, examination and detection of the drawn tubular pile and the like. The construction method for using the drawn tubular pile for retaining in deep excavation mainly comprises the steps of double-shaft stirring pile construction, hammering tubular pile construction, surface soil excavation, prestress anchor cable construction, crown beam steel bar and formwork construction, crown beam concrete construction, anchor cable and crown beam maintenance, anchor cable tensioning and locking, soil excavation and the like. The PHC pile is drawn through a method combining pile periphery soil removal method and a static drawing method, damage to the PHC pile in the drawing process is avoided to the greatest content, the pile drawing efficiency is improved, and the construction period is shortened. Meanwhile, the drawn PHC pile is used for vertical retaining in deep excavation, the construction period is effectively shortened, the engineering cost is reduced, resources are saved, and the environment is protected.

The invention discloses a winding needle which is a columnar needle body made of an insulating rigid material. The winding needle is a columnar needle body made of an insulating rigid material, and the winding needle is wound in a diaphragm and a tab and is packaged into a battery shell along with a battery cell, so that the operation of pulling out a winding needle in the prior art is avoided, and the alignment degree of a wound battery cell is ensured, and the battery cell defect caused by the pulling-out of a silver winding needle in the existing technology is overcome. When the interior ofthe battery cell is short-circuited, the winding needle and a winding body ascend at the same time to press a safety valve on a battery cap, in order to realize rapid pressure relief and overcome thedefect that a center needle is separated from a battery cell due to gap. Heating is fast in the charging and discharging process, and due to winding tension, the pole pieces of the battery cell deform and extrude towards the inner ring of the battery cell, and the diaphragm looses and even collapses. Compared with the center needle, there is no gap between the winding needle and the diaphragm, the winding needle can well support the battery cell, and the looseness or collapse probability of the diaphragm is reduced. The invention further discloses a wound battery cell comprising the winding needle and a production process of the wound battery cell.

The invention discloses a centering measurement apparatus for measuring the center distance of two intersecting holes in an intersecting hole system. The centering measurement apparatus comprises a two-hole positioning and centering device including an elastic centering expanding sleeve, a centering pull bar, a centering pressure bar, an eccentric wheel compacting mechanism and a positioning pin, a variable-pitch cam mechanism including a handle, a servo-actuated eccentric cam, a bearing positioning circular section and a cooperative column, and an auxiliary centering mechanism, wherein the two-hole positioning and centering device is inserted in a first hole system of a part to be measured, the eccentric wheel compacting mechanism is rotated to move the centering pull bar and centering pressure bar and open the elastic centering expanding sleeve to center the first hole system, and the variable-pitch cam mechanism and the auxiliary centering mechanism are inserted in two sides of a second hole system of the part to be measured. The handle is rotated to drive the cam to rotate, so that the rim of the cam is tangent to the excircle of the elastic centering expanding sleeve, and angle scales corresponding to different center distances of the first hole system and the second hole system are radially marked on the end face of the servo-actuated eccentric cam. The actual center distance of the intersecting holes of the part to be measured can be rapidly obtained by observing the angle graduation lines, and rapid and accurate measurement is realized.

The invention discloses a charging device for an electric automobiles, which is not required to be watched during a charging course and calculates fees according to practical charging quantities. The charging device comprises a host housing (13) arranged on a fixing frame (8), and is characterized in that a touch display screen (9), a numeric keyboard (12), a card slot (11), at least one charging plughole (6) and socket doors (1) of the sealable charging plugholes (6) are arranged on and formed in the host housing (13); a master control unit comprising a card reader connected with the card slot (11), and a microprocessor connected with the card reader, the touch display screen (9) and the numeric keyboard (12) is arranged in the host housing (13); and the microprocessor is connected with the charging plugholes (6) by a power output circuit, and connected with the corresponding socket doors (1) by socket door driving modules. The charging device adopts alternating current for charging, so that the lives of batteries are prolonged; vicious plug removal during the charging course is prevented effectively; the fees are calculated according to the practical charging quantities; multiple automobiles share one charging pile; and the charging device can be widely applied to outdoor environments.

The invention relates to a separable power plug / socket connecting structure of an electric frying pan, which comprises a pan body and a movable handle thereof, wherein one end of the movable handle is an external power input plug, and the other end is provided with a socket; a plug matched with the socket stretches from a heating element on the bottom of the pan body, a limiting convex block is arranged near the position of the plug on the pan body, and a terminal fixing seat is arranged at the end part of the socket on the movable handle; and a movable rocking bar is installed in the position corresponding to the limiting convex block on the terminal fixing seat, so that the movable rocking bar clamps the limiting convex block on the pan body by adjusting the movable rocking bar when the socket on the movable handle is matched with the plug on the pan body. The separable power plug / socket connecting structure of an electric frying pan has the advantages of reasonable structure, firm connection between a power line and the pan body, easy operation and high safety; moreover, the removable movable handle has convenient storage and easy cleaning and can also be used as a handle when used together with the pan body, scalding and other accidents caused by no grabbing position are avoided, the movable handle can be grabbed during cooking, and pan burst cooking is realized.

A connector is mountable on an object in an up-down direction and mateable with a mating connector along the up-down direction. The mating connector comprises four locked portions. The connector comprises two additional members. Each of the additional members comprises two regulation mechanisms. Each of the regulation mechanisms comprises a spring portion, an operation portion, a first regulatingportion, and a second regulating portion. The spring portion has a lock portion. The operation portion has a first regulated portion. One of the spring portion and the operation portion is provided with a second regulated portion. An upward movement of the lock portion is regulated when the first regulated portion is moved upward in the up-down direction to abut against the first regulating portion. The second regulating portion is brought into contact with the second regulated portion to regulate an outward movement of the lock portion in the second direction when the lock portion receives anupward force under a state where the first regulated portion abuts against the first regulating portion.

The invention provides a pipe joint, comprising: a cylindrical joint body including therein an insertion portion for receiving insertion of a pipe; a cover which is mounted on the outer surface of the joint body in the vicinity of the side of a pipe insertion opening; a sealing element which is disposed between the pipe inserted into the insertion portion and the joint body; an annular member which is arranged in a position closer to the side of the cover than the sealing element in the axial direction of the joint body and provided with a claw portion locked with the outer peripheral surface of the inserted pipe to hold the pipe, wherein the calibre of the annular member is expandable; a supporting portion which is arranged between the sealing element and the annular member; and a housing which is detachably mounted on the outer peripheral portion of the cover, wherein a push-in prevention portion is formed on an end portion of the housing in the vicinity of the side of the pipe insertion opening; and the push-in prevention portion projects from the cover inwards to prevent expansion of the calibre of the annular member.

The invention discloses a quick installing tool for an engineering aluminum buckle plate integration ceiling, and relates to the technical field of engineering construction equipment. The quick installing tool comprises a center supporting plate. The center supporting plate is of a square block structure, the four side walls of the center supporting plate are each provided with an upward-bent arc-shaped connecting plate, a horizontally-arranged side supporting plate is fixedly arranged at the top end of the arc-shaped connecting plate on each side wall, and the top ends of the side supportingplates and the top end of the center supporting plate are located at the same horizontal plane. An upward-through wire hole is formed in the bottom end of a handheld rod, a pull wire stretches out from the bottom end of the wire hole, by pulling the pull wire, a suction cup sucked to the surface of an engineering aluminum buckle plate is loosened, the center supporting plate and the engineering aluminum buckle plate can be separated conveniently after the engineering aluminum buckle plate is spliced on a roof, the engineering aluminum buckle plate is spliced on the roof more firmly and reliably, and the using convenience of the installing tool is improved.

The invention provides a binding machine for gardening. The binding machine for gardening has a tape gripping device, through which higher gripping strength is obtained by avoiding tape damage when a jaw pierces into a thinner belt or preventing the failure of the jaw to pierce into thicker belt. The tape gripping device (35) is equipped with a support part (36) arranged on a clincher arm (30) and a holding member (37) opposite to the support part (36). Through the support part (36) and the holding member (37), a holding belt (60) can be clamped from two sides.

The invention relates to an electric vehicle controller which comprises a controller shell and an internal circuit board, wherein a signal line wiring connector, large current wiring terminals and a power semiconductor device are arranged on the circuit board; the signal line wiring connector comprises a wiring connector socket and a pluggable wiring connector plug; the wiring connector socket and the large current wiring terminals are arranged at positions close to the front side of the circuit board; a wiring box which concaves downwards is arranged on the front side of the controller shell; through holes of which the shapes and sizes correspond to those of the wiring connector socket and the large current wiring terminals are formed in the bottom of the wiring box; the wiring connector socket and the upper parts of the large current wiring terminals respectively penetrate through corresponding through holes and are positioned inside the wiring box; the wiring box is covered by a wiring box cover plate; and the signal line wiring connector and the wires of the large current wiring terminals are all led out from a side surface of the controller shell. The electric vehicle controller is not only tidy and ordered in external wiring and is attractive and graceful, but also stable to operate and safe and reliable.

The invention relates to a pipe pile verticality correcting method in the construction process. The method is characterized by comprising the following steps that S1, soil in the direction deviating from the direction of dip of an inclined pipe pile is loosened to for a loosening area; S2, a kilometer drill is adopted to cooperate with a crane to gradually correct the inclined pipe pile; S3, the inclined pipe pile and poured soil in the lower portion of the pipe pile are cleaned; S4, a reinforcement cage is put into the inclined pipe pile, and the bottom of the reinforcement cage extends to the portion below the inclined pipe pile; S, concrete is poured into the inclined pipe pile, and an upper pipe pile and a lower pipe pile are connected; S6, soil in the loosening area is compacted. Accordingly, pile pulling does not need to be conducted on the inclined pipe pile, the phenomenon that the pipe pile is pulled broken is avoided, the rejection rate of the pipe pile is low, the cost is reduced, the construction period is short, after correcting is conducted, the integrality of the upper pipe pile and the lower pipe pile is high, the synergistic effect capacity is high, and the bearingcapacity is guaranteed.

The invention discloses a head driving process of a hammer head of a hot rolling pierced billet, comprising the following steps of: firstly computing the radial sectional area of the hot rolling pierced billet; then arranging a head driving mould, wherein the middle of the bottom surface of the head driving mould is of a rectangle shape, both sides of the rectangle are of arc shapes, the filling rate of the hot rolling pierced billet in a cavity of the head making mould is bound to be higher than 75 percent and small than 90 percent, and the filling rate is the ratio of the radial cross sectional area of the hot rolling pierced billet to the bottom surface area of the head driving mould; and finally inserting the end part of the hot rolling pierced billet into the cavity of the head driving mould for punching to form the hammer head of the hot rolling pierced billet. The head driving process has the advantages of simple step, convenience for operation, once forming, low labor intensity of workers and effective enhancement of production efficiency; a through hole can be directly formed when the hammer head is punched by adopting the head driving process, and then a hole does not need to be punched again, therefore, the strength of the hammer head can be enhanced and a steel pipe is prevented from being drawn to be broken in the drawing process.

The invention discloses a computer mainboard interface power-on pull-out protection device. The device includes a motherboard, a plug is inserted into the right side of the main board; the left side of the plug is fixedly connected with an insertion rod; the side surface of the insertion rod is slidably connected with a conductive tube. A conductive box is arranged over the insertion rod; a push plate is connected into the conductive box in a sliding manner; a time delay tube is arranged above the insertion rod and located on the right side of the conductive box; and a screw rod is connected to the interior of the time delay pipe in an engaged mode, a buffer block is rotatably connected to the lower portion of the screw rod through a connecting spring, an elastic suction cup is rotatably connected to the bottom of the buffer block, a ventilation pipe is arranged on the side face of the elastic suction cup in a penetrating and inserting mode, and an air stopping block is arranged in theventilation pipe. According to the computer mainboard interface power-on pull-out protection device, through cooperative use of the conductive rod and the insertion rod, when a user pulls out live-line hardware from a mainboard in case of power failure, the hardware is prevented from being pulled out immediately, and the user is reminded of power failure.

An ink cartridge that protects a cylindrical ink discharge port of an inner container that protrudes from the bottom of the outer container. The ink cartridge (1) has an inner container (2) for storing ink, an outer container (3) for storing the inner container (2), and a cylindrical ink discharge port (13) attached to the bottom of the outer container (3). ) cap (23). Under the bottom of the outer container (3), there is an outer periphery of the cap (23) fitted to the cylindrical ink discharge port (13) protruding from the ink discharge port (33) of the outer container (3) and aligned. Protective ribs (41). The reinforcing rib (41) has a cap release direction rotation preventing portion (42) that prevents the cap (23) from being released.

The invention belongs to the field of fabricated building envelope construction, and relates to a composite connecting component for a prefabricated sandwich heat insulation wall board and a preparation method of the composite connecting component. The composite connecting component penetrates through an outer blade concrete wall, a heat insulation layer and an inner blade concrete wall. The composite connecting component is composed of a connecting body and a casing pipe. The connecting body is arranged in the casing pipe in a sleeving mode. The connecting body is divided into a connecting body upper section, a connecting body middle section and a connecting body lower section. The connecting body lower section is formed by superposing a plurality of cone tables. The connecting body uppersection is an inverted cone structure extending outwards. The pipe body of one end of the casing pipe obliquely extends outwards. The diameter of the table face of the cone table with the larger diameter of the connecting body lower section is tangent to the edge of the cross section of the connecting body middle section. The core part of the composite connecting component made of fibre reinforced plastics is long glass fiber. The surface of the composite connecting component is ball-shaped moulding compound formed by short-cut glass fiber and resin. The pulling resisting and shearing resisting strength is high, thermal conductivity is low, the corrosion resisting performance is excellent, and the service life is long. The connecting component is simple in structure and is low in weight,and construction is convenient.

The invention discloses a knock-in type anti-rotation bone grafting nail. The knock-in type anti-rotation bone grafting nail comprises a straight rod-shaped nail rod body, wherein the tail end of the nail rod body is a flat knocking end surface, a drilling head is arranged at the head end of the nail rod body, a plurality of barbs are arranged on the outer wall of the nail rod body, and the drilling head is in a variable cross-section circular truncated cone shape with the cross section gradually expanding from head to tail. The knock-in type anti-rotation bone grafting nail is implanted in a knock-in mode, so that a bone is anchored at the defect position of a posterior acetabular wall, connection is firm, and foreign body sensation cannot be generated.

The invention discloses a butt joint type pneumatic pipe joint integration module. According to the technical scheme, the butt joint type pneumatic pipe joint integration module is characterized by comprising a left installation disc and a right installation disc; the left installation disc and the right installation disc are both provided with multiple through holes, and the through holes of the left installation disc correspond to the through holes of the right installation disc in position; the left installation disc and the right installation disc are arranged in a butt joint mode, and pneumatic pipe joints are installed on the sides, away from the joint portion, of the installation discs and located at the openings of the through holes; detachable sealing structures are arranged between the corresponding through holes of the left installation disc and the right installation disc. According to the butt joint type pneumatic pipe joint integration module, numerous pneumatic pipes can be uniformly managed, use is more convenient, it is unnecessary to perform operation on the pneumatic pipes frequently, the connecting stability between the pneumatic pipes and the pneumatic pipe joints is improved, and the service life is prolonged.

The invention discloses a new energy vehicle device which comprises a column body and a slide cavity formed in the column body. An insertion cavity is formed in the upper portion of the left side of the column body. A power supply part matched and connected with a charging part connected with the new energy vehicle is arranged in the slide cavity in a leftward and rightward sliding mode. The powersupply part comprises a lower slide part section and an upper slide part section fixedly connected with the lower slide part section. A first power supply hole is formed in the left side of the upperslide part section, and a power supply column is arranged on the right side of the upper slide part section. A locking part for locking the charging part is arranged in the upper slide part section.The new energy vehicle device is simple in overall structure, safe and stable in running, low in cost, convenient to install and maintain, easy to operate and suitable for use and popularization and can realize the charging continuity of the electric vehicle and prevent charging interception.

The invention discloses a wallboard type novel underground continuous wall and a construction method thereof. The continuous wall consists of a plurality of unit slot sections, wherein each unit slot section comprises a reinforced concrete guide wall, two main walls and a milling plate; each milling plate is embedded and fixedly arranged between the corresponding two main walls with an embedded depth being 20-30cm, and is formed by plain concrete or cemented soil pouring. The I-stage main walls give full play to characteristics of large rigidity, resisting moment and small supporting structure deformation of the continuous wall; the foundation pit stability problem is solved by utilizing large embedded depth, large rigidity and the like of the continuous wall; the foundation pit deformation problem is solved by utilizing the large integral rigidity of the continuous wall; and the milling plates and the I-stage main walls achieve the effects of resisting water, proofing leakage, retaining soil between walls and retaining wall. A construction process of the wallboard type novel underground continuous wall is simple, so that material consumption is reduced; the lifting link and the top-pulling link of a joint tube (box) are cancelled, so that the risk that the joint tube is broken by pulling or buried is avoided; and the construction process is high in efficiency and is low in cost.

The invention relates to a snap spring seat and inner pipe connecting device of a coring drill. The snap spring seat and inner pipe connecting device comprises a snap spring seat, and an inner pipe and an outer pipe which are installed in a sleeving manner, wherein the lower part of the outer pipe is connected with a coring drill bit, the lower part of the inner pipe is connected with the snap spring seat in a plugging manner, a snap spring is installed in the snap spring seat, the upper end of the snap spring seat is provided with an inner conical working surface, the diameter of the inner conical working surface is gradually increased from top to bottom, and a group of open slots is formed in the inner conical working surface; an outer conical working surface is arranged on a junction part between the inner pipe and the inner conical working surface, and the outer conical working surface and the inner conical working surface are consistent in taper and inserted in a matching manner. The snap spring seat and inner pipe connecting device of the coring drill is unique in design, solves the long existed problem of a snap spring seat and inner pipe connecting structure of the coring drill, is suitable for different coring drills of different specifications and can be widely applied to relevant connecting parts of other industries.

The invention discloses a sliding-in self-anchorage type socket connection pipe which comprises an equal-diameter pipe and a bellmouth. One end of the equal-diameter pipe is a spigot, the other end ofthe equal-diameter pipe is a connection end, one end of the bellmouth is a necking-down small end, the other end of the bellmouth is a large end, and the small end of the bellmouth is fixedly connected with the connection end of the equal-diameter pipe. The sliding-in self-anchorage type socket connection pipe is characterized by further comprising an anchorage flange with a lifting anchorage function and a guiding anchorage ring plate with a guiding anchorage function, wherein the anchorage flange is in sleeved connection with the spigot end of the equal-diameter pipe in a fixedly-connectedmode, the guiding anchorage ring plate is arranged at the large end of the bellmouth, the end face on one side of the guiding anchorage ring plate is fixedly connected with the large end of the bellmouth, the inner circumferential surface, located in the large end of the bellmouth, of the guiding anchorage ring plate is a guiding face, and the portion, located on the outer side of the large end ofthe bellmouth, of the guiding anchorage ring plate is an anchorage plate. The sliding-in self-anchorage type socket connection pipe has the advantages of being simple in structure, high in sealing reliability, fast to install, convenient to maintain and disassemble, long in service life and the like.