44results about How to "Easy removal" patented technology

The invention discloses a preparation method of a porous cyclodextrin polymer. The preparation method comprises steps as follows: (1), beta-CD (cyclodextrin) is added to a NaOH solution with certain concentration, and the mixture is heated and stirred until beta-CD is completely dissolved; (2), a cross-linking agent is slowly and dropwise added to the solution, the temperature of the solution is maintained, and the mixture is continuously stirred to react for 30-60 min; (3), CaCO3 and an appropriate quantity of cross-linking agents are sequentially added to the solution, the temperature of the solution is maintained, and the mixture is continuously stirred until the solution solidifies; (4), CaCO3 in a solidified product is removed, and vacuum drying is performed after the product is washed with distilled water. The preparation method has the advantages that obtained polymer microspheres have a higher specific surface area, and the state of pores can be controlled by changing the shapes, the sizes and the quantity of CaCO3 particles; the problems that a preparation process adopting an emulsion template method is tedious, a large quantity of raw materials of a reagent are required and the cost is high are solved; the obtained polymer microspheres have good dispersity and have a loose structure, the problem of difficulty in crushing after drying is solved, and meanwhile, the mass transfer rate is effectively increased during application.

The invention discloses an anti-rust soaking device for auto parts, which comprises a box body, a transverse partition is arranged on the inner side of the box body, a fittings placement frame is arranged in the soaking chamber, and a supporting cylinder is connected in the middle of the bottom of the fittings placement frame , the upper side of the diaphragm is installed with stirring blades on the support tube, the lower side of the diaphragm is installed with a pulley on the support tube, the pulley is connected with the drive motor through the transmission belt, and the bottom of the separation chamber is equipped with a telescopic cylinder. The piston rod of the cylinder is connected with a plug through the rotation of the rotating body. There is also a filter plate on the outside of the separation chamber, and a return pipe connected to the bottom of the separation chamber is provided on the side of the box. The other end of the pipe extends to the top of the accessory placement frame, and a spray head is installed at the end of the pipe. The invention has a novel structure, is convenient to use, has better antirust oil immersion effect on auto parts, and is easy to remove impurities and is beneficial to popularization.

The invention discloses a TC cotton cloth bottom flocking technology. The technology comprises the following steps: A, successively performing head-sewing and cloth-spreading on a TC cotton cloth bottom raw material, to obtain bottom cloth; B, uniformly coating on the surface of the bottom cloth by glue, to obtain base cloth, wherein a dosage of the glue is 300-350 g / m; C, performing flocking treatment on a gluing face of the base cloth, to obtain flocking blank cloth, wherein the flocking treatment adopts a static flocking mode, and a static voltage is 20-40 kilovolts; D, successively performing drying and float hair removing treatment on the flocking blank cloth, to obtain a flocking cloth semi-finished product; and E, performing washing and post-treatment on the flocking cloth semi-finished product, to obtain a flocking cloth finished product. The TC cotton cloth bottom flocking technology has the characteristics of effectively improving the residual fluff removing effect on the surface of the flocking cloth.

The invention discloses an impeller-type high-efficient dishwasher, and belongs to the field of tableware washing equipment. The dishwasher comprises a washing sink, an impeller is installed at the bottom of the washing sink, a washing frame is connected in the washing sink, the washing frame is located above the impeller, and a driving motor is connected with the impeller; the washing sink has anopened top, supporting arms are connected with two sides of the top of the washing sink, spraying heads are connected with the supporting arms, the spraying heads are communicated with spraying pipes, the spraying heads are located above the two sides of the washing frame, and the water outlets of the spraying heads are opposite to the washing frame; the washing frame comprises a hollowed-out placing frame used for placing bowls and disks, a rotary shaft is fixedly connected with the part located at the central axis of the placing frame, two ends of the rotary shaft are rotatably connected with the side walls of the washing sink, and one end of the rotary shaft penetrates through the side wall of the washing sink and is connected with a motor. By means of the dishwasher, the bowls and thedisks can be completely overwhelmed and wet in the washing sink, under the impacting forces from multiple directions, sugar stains with stronger viscosity are softened and separated from animal oil stains, and the adhesive strength is reduced, so that the stains can be cleaned easily.

The invention provides a grain noise detection fixture, which comprises a base, and a clamping frame on one side of the base and integrally formed with the base. The clamping frame and the base are enclosed to form a cavity for accommodating a to-be-detected element. The clamping frame is provided with a fastener mounting hole in communication with the cavity. The invention also provides a grain noise detection device provided with the above grain noise detection fixture, and a grain noise detection method. The method comprises the steps of a1, removing surplus materials in a to-be-detected circuit; a2, covering a circuitron cap of the to-be-detected circuit onto a tube socket of the to-be-detected circuit without packaging the circuit; a3, fastening the to-be-detected circuit with the circuitron cap covered thereon into the fixture; a4, placing the fixture onto a grain noise tester for noise detection. By means of the grain noise detection fixture, the grain noise detection device and the grain noise detection method, the to-be-detected circuit can be pre-detected before being packaged.

The invention discloses a wound closure device with a bandage. A row of lock catches used for locking the bandage are arranged on skin adhesive tape; one end of the bandage passes through the lock catch of the left-side skin adhesive tape, and the other end of the bandage passes through the lock catch of the right-side skin adhesive tape; the bandage is cylindrical, a row of circular-arc-shaped locating grooves are arranged on the bandage, spring plates are respectively arranged above and below the bandage, the spring plates are arranged in the lock catches, circular-arc-shaped bosses are arranged on the spring plates, and the bosses are matched with the locating grooves. The wound closure device with the bandage can easily realize irregular skin wound suture and skin wound suture with different depth and width, in the process of wound healing, the medicine applying and nursing of the wound can be convenient, the wound can be easily and quickly removed after healing, and the pain of taking out stitches is avoided.

The invention discloses a light wall cutting and waste collecting mechanism which comprises a base, a battery set and a toothed plate. Self-locking rolling wheels are arranged on the left side and theright side of the lower end face of the base. A bearing seat is fixed to the upper end face of a supporting plate. An opening is formed in the top of an electric cutting machine in a penetrating manner. A fixed frame is fixed to the upper end face of a bearing plate. Grooves are formed in the front side and the rear side of the opening, and cushion plates are arranged in the grooves. A bearing frame is arranged on the right side of a support and is fixed to the base. The toothed plate penetrates through a rotating frame, and hydraulic cylinders are fixed to the left side and the right side ofthe lower end face of the toothed plate. According to the light wall cutting and waste collecting mechanism, after cutting operation is completed, waste is left on a light wall, a dust collector moves downwards, waste on the light wall can be sucked away conveniently, waste can be centralized into a dust storage case in the dust collector, meanwhile, the dust collector can move left and right along with the toothed plate, and comprehensive waste removal and collecting work can be completed conveniently.

The invention relates to an air filter device which comprises a second shell (2), a filter element, a first turbine (3), a first turbine hood (4), a first rotary shaft (5) and a scraping blade (6). The filter element is cylindrical. A second air outlet (19) communicates with a filter element inner cavity through an inner cavity of the first turbine hood (4). The first turbine (3) and the filter element are both connected to the first rotary shaft (5). The first turbine (3) is located in the inner cavity of the first turbine hood (4) and rotationally connected with the first turbine hood (4) through the first rotary shaft (5). The filter element is rotationally connected with the second shell (2) through the first rotary shaft (5). One end of the scraping blade (6) is tightly attached to the peripheral wall of the filter element. The air filter device has the advantages that when in use, the air filter device can remove dirt such as dust and fine sand adsorbed to the surface of the filter element, accordingly, the air inlet amount of an engine is guaranteed, the engine can stably and normally work, and further, the service life of the filter element is greatly prolonged.

The invention provides a high-temperature alloy honeycomb part milling processing clamping method, and belongs to the technical field of aerogenerator manufacturing. The invention provides the high-temperature alloy honeycomb part milling processing clamping method with the advantages of operation and removal simplicity, low cost and high clamping reliability. The clamping method provided by the invention comprises the following steps that 1, industrial paraffin and steel pills or cast iron pills are mixed and heated to a fusion state; 2, lattices of the high-temperature alloy honeycomb part to be processed are filled with the mixture of the industrial paraffin and the steel pills or cast iron pills heated to the fusion state, after the cooling, the two sides are trimmed to a flat state, and a high-temperature alloy honeycomb part blank is obtained; 3, the high-temperature alloy honeycomb part blank is absorbed by a magnetic force platform, and can be subjected to the milling processing.

The invention discloses a cleaning agent for mechanical equipment. The cleaning agent is characterized by comprising the following materials in parts by weight: 10 to 15 parts of vinyl chloride, 15 to 27 parts of naphtha, 10 to 30 parts of methyl propenyl cyclohexene, 20 to 40 parts of methyl alcohol, 7 to 17 parts of ammonium phosphate, 5 to 9 parts of tetrahydrofuran, 3 to 6 parts of benzyl cyanide, 12 to 35 parts of silicone oil, 15 to 31 parts of alkenyl succinic acid, 5 to 11 parts of acetone, 4.5 to 11.6 parts of amine ether betaine and 5 to 12 parts of dipropylene glycol methyl ether alkanolamide. The metal cleaning agent can generate a small quantity of foams and can be used for easily removing lubricating grease and other difficultly removed fouling from metal spare and accessory parts or mechanical equipment in an application processes, and simultaneously ensures that the cleaned metal spare and accessory parts or mechanical equipment exposed in the air cannot be rusted. The metal cleaning agent is effective on iron materials, copper materials, aluminum materials and composite metal materials and is low in cost.

The invention relates to a road deicing and snow removing shovel and a manufacturing method thereof. A suspension is connected with a main shovel; the main shovel and a bracket are connected with a regulating screw and are also connected with a spring central spindle and a spring lower shaft; a connecting rod shaft is fixed on the main shovel, is connected with a connecting rod and is also connected with an obstacle-crossing bracket and a shovel blade by an obstacle-crossing bracket shaft; and a spring bracket is welded on the obstacle-crossing bracket and is connected with the spring lower shaft. When the deicing and snow removing shovel is mounted on a motor vehicle to operate, due to an included angle from 10 degrees to 45 degrees between the shovel blade and a pavement, ice and snow on the pavement can be easily removed. In case of protruding objects such as speed bumps on the pavement, the shovel blade can overcome the pressure of a spring to move upward and simultaneously turn over backward so as to automatically cross the protruding objects such as the speed bumps.

The invention provides an adhesive. The adhesive comprises the following components in parts by mass: 5-30 parts of natural smoked sheets, 20-50 parts of synthetic rubber elastomers, 30-50 parts of tackifying resin, 1-5 parts of an antiager, 3-8 parts of a rubber softener and 0.1-1 part of a light stabilizer, wherein the ratio of the synthetic rubber elastomers to tackifying resin is 1:(1-1.5). Owing to the formula, the provided adhesive is suitable for various complicated environments and firm and reliable in adhesion, can not slide or drop when stressed, and can be easily removed without residues when not in need, and an adhesive product prepared by the adhesive has outstanding weight loading ability.

The invention relates to the field of snow removing equipment and particularly relates to a snow removing machine. The snow removing machine comprises a car body, wheels, a push rod, a snow removing shovel and snow breaking wheels, wherein the snow removing shovel is arranged at the front end of the car body and is used for shoveling ice and snow; the snow removing shovel is internally provided with a heater; the snow breaking wheels are arranged on the upper front side of the snow removing shovel; and large snow or ice blocks are broken through self rotation of the snow breaking wheels and are pushed to the two sides. According to the snow removing machine, all functional parts are coordinated and combined to work, the heated snow removing shovel is used for shoveling the snow, and the large snow blocks are broken by the snow breaking wheels and are pushed to the two sides, so that the deposited thick snow can be relatively easily melted and removed, and the deposited snow can be prevented from flashing in a removing process.

The invention discloses an injection molding device for shoe sole production and processing. The injection molding device comprises an injection molding head main body, a first movable ring, a sleeve ring, a transmission control mechanism, a cleaning mechanism and a locking assembly, according to the designed injection molding head for shoe sole production and processing, a first movable ring, a sleeve ring, a transmission control mechanism and a cleaning mechanism are arranged on the injection molding head, and through the cooperation effect of the first movable ring, the sleeve ring, the transmission control mechanism and the cleaning mechanism, impurities attached to an injection molding opening in the injection molding head and the side of the injection molding opening can be well removed; and moreover, through the arrangement of the locking assembly, the stability of the cleaning work is ensured, the cleaning work quality is improved, the injection molding work efficiency is improved, the product quality of injection molding production and processing is ensured, and finally the economic benefits of injection molding production and processing are improved.

The invention discloses a device for cleaning carbon deposits on an intake manifold. The device comprises a cylindrical base; a hand grip is fixed to the left end of the base, a cleaning agent storagecavity is formed in the hand grip, a lead screw is inserted into the cleaning agent storage cavity of the hand grip, the right end of the lead screw penetrates through the base and is inserted into aconcave table of the base, and a driven gear is inserted and fixed to the right end of the lead screw; an eccentric shaft is inserted into the outer ring of the concave table, the eccentric shaft isinserted into the base, a center hole is formed in the eccentric shaft, a driving gear and a driven bevel gear are fixed to the eccentric shaft in an inserted and sleeved mode, the driving gear is meshed with the driven gear, and a driven bevel gear is meshed with a driving bevel gear; an end cover is fixed to the right end of the base in an inserted and sleeved mode, a stop block is formed on thebottom face of the inner side of the end cover and abuts against the right end face of the driven gear, a transmission shaft is inserted into the stop block, one end of the transmission shaft is fixed into the driving bevel gear in an inserted mode, and the other end of the transmission shaft penetrates through the base and the end cover to be fixedly provided with a handle.

The invention provides a goat skin hard hair automatic plucking device, and relates to the technical field of fur processing. The goat skin hard hair automatic plucking device includes a casing, a conveying device, a first driving motor, a tensioning mechanism, a needle pulling mechanism, a collecting mechanism, a rotating shaft, a bracket and a fifth driving motor; a bracket is fixedly connectedto the bottom of the casing; the conveying device is arranged at the position, close to the bottom end, in the casing; the rotating shaft penetrates through the position, close to the bottom end, of the casing and penetrates through the conveying device arranged in the casing; the rotation shaft is rotationally connected to the casing; the part, penetrating through the left end of the conveying device, of the rotating shaft is fixedly connected with the first driving motor. The tensioning mechanism is arranged above the conveying device. The needle pulling mechanism is arranged at the position, close to the top end, of the casing. The needle pulling mechanism is fixedly connected to the casing. The collecting mechanism is arranged at the position, above the conveying device, of the right side of the casing. The collecting mechanism is fixedly connected to the inner wall of the casing. The problem of low plucking efficiency of hard hair on goat skin during the goat skin processing is solved.

A particle noise detection fixture, comprising a base, a clamping frame integrally formed with the base located on one side of the base, the clamping frame and the base enclose to form a cavity for accommodating the element to be detected body, the clamping frame is provided with a fastener mounting hole communicating with the cavity; a particle noise detection device including a particle noise detection fixture; a particle noise detection method, comprising: step a1. Detecting the excess in the circuit; Step a2. Capping the circuit tube cap of the circuit to be detected on the socket of the circuit to be detected without packaging; Step a3. Capping the circuit tube capped The circuit to be tested is fastened into the fixture; Step a4. Place the fixture on the particle noise tester for detection; the above particle noise detection fixture, device and method realize the pre-testing of the circuit to be tested before packaging.

The invention provides a metal cleaning agent. The metal cleaning agent is characterized by being prepared through the following raw materials in parts by weight: 10-14 parts of coconut oil, 2-4 partsof nonionic surfactant, 12-18 parts of white vinegar, 1-3 parts of sodium silicate, 2-5 parts of saponin extracting liquid, 6-12 parts of silicon dioxide grinding agent, 4-8 parts of trifluoroethanol, 5-9 parts of sodium citrate, and 6-12 parts of talcum powder. The metal cleaning agent is capable of efficiently cleaning metal; dirt which is hardly removed from the metal surface can be easily removed by the metal cleaning agent; the cleaned surface of the metal is bright as new. The metal cleaning agent has the advantages of being efficient to clean, and high in polishing performance.

The invention discloses an efficient low-toxicity formaldehyde scavenging agent and a preparation method thereof. The efficient low-toxicity formaldehyde scavenging agent is prepared from, by weight,5-10 parts of nanometer negative ion powder, 5-10 parts of activated mineral powder, 5-10 parts of chrysanthemum extracts, 5-10 parts of activated carbon powder, 5-10 parts of an active polymer composition, 5-10 parts of begonia extracts, 1-5 parts of an ammonium salt composition, 1-5 parts of an organic solvent, 5-10 parts of aloe extracts, 1-5 parts of a penetrating agent, 1-5 parts of an activesurface agent and the balance deionized water. The invention relates to the technical field of formaldehyde scavenging. According to the efficient low-toxicity formaldehyde scavenging agent and the preparation method thereof, it can be achieved that ingredients of the formaldehyde scavenging agent are improved, the formaldehyde scavenging agent can significantly scavenge formaldehyde, the aim that the formaldehyde is quickly and thoroughly scavenged by simultaneously using methods of physical absorption, plant extracting and dissolving and active polymer dissolving is well achieved, the formaldehyde can be scavenged without multi-time cleaning and using, and the formaldehyde scavenging efficiency is greatly improved.

The invention discloses a top wall skin removal device, which comprises a base, a lifting cavity is arranged in the middle of the base, a lifting column is arranged in the lifting cavity, a lifting mechanism is arranged between the lifting column and the base, and the upper end of the lifting column extends to the upper side of the base It is also equipped with a clearing mechanism, a collection mechanism for collecting peeled wall skin is provided in the middle of the lifting column, a bottom plate is provided at the lower end of the base, and a number of evenly distributed tires are provided on both sides of the bottom plate. Shrinking baffles and material baffles collect the peeled wall skin fragments, which is convenient for wall skin peeling work on the edge and dead corner of the top wall.

The invention discloses a lubricating agent for stripping a bracelet. The lubricating agent comprises a shell and a base shell, an operation cavity which extends into the base shell and is provided with an upward opening is formed in the shell, and the inner wall of the operation cavity is provided with an annular first clamping groove in a communicating mode; the clamping device can replace manual fixing with mechanical fixing clamping, fixing of the position of the bracelet is more stable, subsequent pulling work is facilitated, the working efficiency is improved, the up-down cutting device can help a user to mechanically wind a winding film on the hand, the palm is temporarily fixed to be in the thinnest state, and subsequent pulling work is facilitated, manual winding is replaced by mechanical winding, the problem that one person and one hand are inconvenient to work is solved, later bracelet pulling-out work is facilitated, the pulling-out work is completed by one user, operation is easy, use is convenient, the user can perceive the physical condition in the force exerting process, and injuries such as wrist dislocation are avoided.

The invention discloses a production device for sectional material fixed-length cutting, conveying and slag removal treatment. The production device comprises a fixed-length cutting platform and a dump slag suction platform which are arranged in parallel. The other side face of the fixed-length cutting platform is provided with a plurality of sets of conveying units used for transferring cut sectional materials on the fixed-length cutting platform to the dump slag suction platform. The fixed-length cutting platform is simple and ingenious in structure, high in cutting precision and beneficialto follow-up standard and mechanical production, is particularly matched with a sectional material conveying device ingenious in design, operation is smooth and reliable, the whole sectional materialconveying device is also located below a common sectional material conveying roller, sectional material conveying is not blocked, sectional materials are not likely to be damaged, the ingenious dump slag suction platform is adopted in a matched mode, slag inside the sectional materials and slag on the surface and sections of sectional materials can be easily removed, it is ensured that productionenvironment is clean, follow-up automatic production is greatly facilitated, and the device is worthy of being popularized.

The invention discloses an earth filling device for rapidly cleaning a prefabricated pipe pile core. The earth filling device comprises a pipe pile and a mounting cylinder, two threaded rods are mounted on the mounting cylinder in a threaded mode, clamping plates are mounted between the two threaded rods and the mounting cylinder through limiting mechanisms, and the two clamping plates abut against the outside of the pipe pile. A traction motor is fixedly mounted in the mounting cylinder, a winding roller is fixedly mounted at the driving end of the traction motor, and a sinking block is fixedly connected to the winding roller through a traction rope. A sealing plate is fixedly mounted on the mounting cylinder, and the lower part of the sealing plate is attached to the upper end of the pipe pile. An air inlet guide pipe and a discharging guide pipe are fixedly mounted between the mounting cylinder and the sealing plate, and an opening and closing mechanism is mounted in the discharging guide pipe. The earth filling device for rapidly cleaning the prefabricated pipe pile core has the advantages that sludge in the pipe pile can be thoroughly removed in an inflation extrusion mode, the sludge attached to the inner wall of the pipe pile can be scraped, the pipe piles with different pipe diameters can be cleaned, and the application range is wide.

The invention provides an automatic device for removing bristles of goatskin, which relates to the technical field of fur processing. The goatskin bristle automatic pulling device includes a casing, a transmission device, a first driving motor, a tensioning mechanism, a needle pulling mechanism, a collection mechanism, a rotating shaft, a bracket, a fifth driving motor, and a bracket fixedly connected to the bottom of the casing. , there is a transmission device inside the casing near the bottom end, and a rotating shaft near the bottom end of the casing passes through and passes through the transmission device installed in the casing. A first driving motor is connected, a tensioning mechanism is arranged above the transmission device, a needle pulling mechanism is arranged near the top of the casing, the needle pulling mechanism is fixedly connected with the casing, and a collection mechanism is arranged above the transmission device on the right side of the casing to collect The mechanism is fixedly connected with the inner wall of the casing, which solves the problem of low extraction efficiency of bristles on the fur during goatskin processing.

The invention discloses a new magnetic susceptibility artifact removing method for exerting self-adaptive change shimming gradient (Z-shimming Gradient) in a selection layer direction on the basis of a multi-echo asymmetrical spin-echo fast imaging technology (MASE). The method involves a data collecting module, a delta B signal attenuation model processing module and a magnetic susceptibility artifact removing module. An optimized Z-Shimming gradient method and a sinc model of MR signal attenuation caused by magnetic susceptibility artifacts are well combined through a system, the Z-Shimming gradient is exerted in a self-adaptive mode according to different delta TE times, finally efficiency is improved through a model fitting method, and data for establishing delta B are obtained within 24 seconds; data of delta B and data for estimating oxygen metabolism indexes such as oxygen extraction fraction (OEF) can be obtained through once scanning according to a Z-MASE sequence in the new method, no geometric distribution difference exists between the two types of data, and the magnetic susceptibility artifact removing treatment is more convenient, accurate and robust.

The invention discloses a metal derusting detergent which is prepared from the following raw materials in parts by weight: 3.4-5.2 parts of dimethyl polysiloxane, 1.5-4.3 parts of sodium tripolycarbonate, 10-14 parts of silane ketone emulsion, 8.4-11.5 parts of silicate, 4.3-7.5 parts of N-phosphonomethyl aminodiacetic acid, 2.3-3.5 parts of deionized water, 4.2-5.5 parts of antistatic agent and 3.4-5.5 parts of polytetrafluoroethylene. The metal derusting detergent provided by the invention has low foam, and can easily remove lubricant grease and other refractory stains in the metal working process; after being cleaned and exposed to air, the metal material can keep rustless for many days; and the metal derusting detergent is effective for iron materials, copper materials, aluminum materials and composite metal materials, and is lower in cost.

The invention discloses crown wall skin removing equipment. The crown wall skin removing equipment comprises a base, a lifting cavity is formed in the middle of the base, a lifting column is arrangedin the lifting cavity, a lifting mechanism is arranged between the lifting column and the base, the upper end of the lifting column extends to the upper side of the base and is provided with a removing mechanism, a collecting mechanism for collecting stripped wall skin is arranged in the middle of the lifting column, a bottom plate is arranged at the lower end of the base, and a plurality of evenly-distributed tires are arranged on the two sides of the bottom plate. The crown wall skin removing equipment has the beneficial effects that a baffle and a striker plate capable of being unfolded andcontracted are used for collecting the stripped wall skin fragments, and wall skin stripping work can be conveniently carried out on the edges and dead corners of crown wall.

The invention relates to a sleeve drill pipe drilling tool. The sleeve drill pipe drilling tool comprises a transition connector connected to a drilling machine, an unearthing hole is formed in the side wall of the lower end of the transition connector, a sleeve drill pipe fitting is detachably connected to the lower portion of the transition connector, and a drill bit is detachably connected to the lower portion of the sleeve drill pipe fitting; the sleeve drill pipe fitting comprises a plurality of sections of cylindrical sleeve drill pipes which communicate with one another, spiral blades are arranged on the inner wall and the outer wall of each section of sleeve drill pipe respectively, and a material hole is formed in the side wall of the lower end of each section of sleeve drill pipe; and a plurality of groups of soil scrapers are annularly arranged on the inner wall of the lower end of each section of sleeve drill pipe. The invention further relates to a construction method for pulling out an old pile through the sleeve drill pipe drilling tool. According to different old pile types, the drill bits and the soil scrapers which are matched with each other are selected, a pile body and a soil body can be rapidly and well separated, and efficient, convenient and stable old pile pulling-out operation is achieved.

The invention relates to a sediment collecting device, in particular to a sediment collecting device for organisms. The invention provides the sediment collecting device for organisms. The sediment collecting device for organisms can fix a culture dish, and is good in cleaning effect and high in cleaning efficiency. The sediment collecting device for the organisms comprises a bottom plate, whereinthe bottom plate is used for mounting the whole device; a fixed seat arranged on one side of the top of the bottom plate; a servo motor arranged in the fixed seat; a feeding mechanism arranged on thetop of the bottom plate; a rotating mechanism arranged on the side, close to the fixed seat, of the top of the bottom plate; a cleaning mechanism arranged in the middle of the top of the bottom plate; and a material receiving mechanism arranged on the side, far away from the fixed seat, of the top of the bottom plate. By matching a rubber ring, a limiting ring and a first spring, the culture dishis clamped by the rubber ring under the action of the first spring, so that the culture dish is prevented from falling off in a conveying process.

The invention relates to the technical field of medical auxiliary instruments, in particular to a child airway mucous plug safe removing assembly which comprises an operation handle, a main handle, a control line, a working line and a sleeve. The working components comprise a component a provided with an umbrella-shaped cleaning structure, a component b provided with a net type clamping mechanism, a component c provided with a scraping mechanism and a component d provided with a cleaning structure with a variable diameter; different working assemblies are selected according to different children, different physiological conditions of airways, different positions of the mucus plugs and types of the mucus plugs, doctors can conveniently clear the mucus plugs under different conditions, the mucus plug clearing effect can be improved, and the problem that the mucus plugs are prone to remaining after being cleared is solved. Various working assemblies are subjected to round corner treatment or safety balls are added, it is guaranteed that the inner wall of the airway of the child cannot be hurt in the using process, and good practicability, effectiveness and safety are achieved.