121results about How to "Have the ability to deform" patented technology

The invention relates to a discontinuous deformable surgical anastomosing magnetic ring. The discontinuous deformable surgical anastomosing magnetic ring is provided with two magnetic ring bodies, wherein the magnetic ring bodies are the same in structure and opposite in magnetic poles and are arranged in a piling up manner; each magnetic ring body comprises a plurality of arc-shaped magnetic ring blocks and a plurality of connecting pieces; the arc-shaped magnetic ring blocks are movably connected in an end-to-end manner by the connecting pieces respectively through rivets so as to form the magnetic ring bodies; a plurality of discontinuous anastomosing gaps are formed in the upper surfaces of the arc-shaped magnetic ring blocks of one magnetic ring body; a plurality of discontinuous anastomosing gaps are formed in the lower surfaces of the arc-shaped magnetic ring blocks of the other magnetic ring body; the connecting pieces of the two magnetic ring bodies arranged in a piling up manner are oppositely arranged; and the discontinuous anastomosing gaps of the two magnetic ring bodies are arranged in an abutting manner so as to form a discontinuous anastomosing port. The discontinuous deformable surgical anastomosing magnetic ring is light in weight and large in magnetic force, is deformable, and can be easily discharged from a human body, the stability and the involutory accuracy of the magnetic ring are enhanced, and the magnetic losses are reduced; and the discontinuous deformable surgical anastomosing magnetic ring has the characteristics of surgical discontinuous anastomosis, and pressure gradients can be locally formed at the anastomosing port further, so that the tissue healing is better, and the discontinuous deformable surgical anastomosing magnetic ring can be applied to the fields, such as PPH (Procedure for Prolapse and Hemorrhoids), rectal low-order anus-preserving operation, circumcision, colostomy, minimally invasive endoscopic resection and anastomosis, and the like.

The invention relates to brackets, a bracket delivery system and a kit. The main bracket delivery system comprises a main delivery catheter and the main bracket, the main delivery catheter comprises an outer catheter and an internal catheter which are coaxially arranged, the outer catheter has a proximal end part, a distal end part and a first hollow cavity body, and the inner catheter extends inthe first hollow cavity body of the outer catheter; the main bracket capable of being released in a delivery structure type is kept in the portion, between the outer catheter at the proximal end of the main delivery catheter and the internal catheter, in the first hollow cavity body; the main bracket delivery system is characterized in that the main bracket is a bare bracket and comprises a main bracket body and a main passage enclosed by the main bracket body, and one or more openings are distributed in the main bracket body. The invention further relates to the kit comprising the main bracket delivery system and the main bracket. The delivery system and the kit are used for accurate locating and quick replacement of the main bracket and the branch bracket in the aortas, and standard production of the main bracket can be achieved.

The invention relates to a waterproof ventilated type aerated concrete block surfactant which simultaneously has better adhesive property, moisture retention property, waterproof property, weather resisting property and air permeability, can solve the difficult problem bothering people for a long time in the application of aerated concrete blocks, is suitable for large-scale popularization and application and has remarkable economic benefit.

The invention discloses an impact abrasion resistant flux-cored wire used for a hammer head of a hammer crusher, belongs to the field of abrasion-resistant overlaying materials, and solves the problem that the hammer head of the hammer crusher has poor abrasion resistance under the condition of impact abrasion. The flux-cored wire provided by the invention adopts a flux core wrapped by a low-carbon steel sheath; the weight ratio of the flux core to the low-carbon steel sheath is 25:75-30:70; and the flux core comprises the following components in percentage by weight: 25 to 40 percent of high-carbon chromium iron, 2 to 3 percent of potassium titanate, 20 to 40 percent of titanium carbide, 2 to 3 percent of fluorite, 10 to 14 percent of molybdenum iron, 6 to 9 percent of medium-carbon ferromanganese, 6 to 9 percent of ferrosilicon, and 2 to 3 percent of aluminum powder. The flux-cored wire of the invention has the advantages of good overlaying layer harness after welding, no crack, good impact abrasion performance, and the like.

The invention discloses a heat preventing and insulating integrated thermal protection structure suitable for a negative curvature shape, and belongs to the technical field of thermal protection of hypersonic-speed near space aircrafts. The thermal protection structure includes a force bearing shell and a thermal protection layer; the thermal protection layer includes a heat insulating layer and aheat preventing layer, the inner wall of the heat preventing layer is provided with grid-like heat-preventing layer reinforcement ribs, the heat insulating layer is arranged in the grids of the heat-preventing layer reinforcement ribs, and the surface of the heat insulating layer is provided with a heat insulating layer covering skin; the heat preventing layer, the heat insulating layer coveringskin, and the heat-preventing layer reinforcing ribs are sewed together with the heat insulating layer through a sewing line in a prepreg state, and the whole is subjected to high-temperature curing to form the heat preventing and insulating integrated structure; and an adhesive layer is located between the force bearing shell and the thermal protection layer, and the adhesive layer is an adhesivewith high-temperature resistance and heat matching performance. The thermal protection structure provided by the invention adopts the heat preventing and insulating integrated thermal protection layer, and the thermal protection layer is bonded to the force bearing shell by using the high-temperature-resistant adhesive, so that interface separation at the negative curvature part of the thermal protection structure of an aircraft can be avoided.

The invention discloses a composite electrolyte membrane for oxygen production. An active cathode layer and a cathode support layer are sequentially arranged on one side of an electrolyte layer from inside to outside, and an active anode layer and an anode support layer are sequentially arranged on the other side of the electrolyte layer from inside to outside, wherein the electrolyte layer is 5 to 50 mu m thick; the active cathode layer/active anode layer is 20 to 50 mu m thick; the cathode support layer/anode support layer is 40 to 120 mu m thick. According to the composite electrolyte membrane, a structural composition of the electrolyte membrane is optimized to endow the product with strong strength, low resistance and high reactivity, so that a technical bottleneck in the field of high-temperature oxygen permeating membranes is broken, and application fields of the electrolyte membrane are expanded; in addition, existing technical problems about sealing are effectively solved, and the product has the advantages of high yield and low cost, so that industrial application is facilitated.

The invention relates to a high-strength high-water-absorption degradable plugging agent and a preparation method thereof. The plugging agent is prepared from the following raw materials: an alkenyl monomer, a hydrophilic auxiliary agent, modified starch, a cross-linking agent, an initiator, an inorganic reinforcing agent, a degradation auxiliary agent and a degradation activator, wherein based onthe total mass of the raw materials, the content of the alkenyl monomer is 15-30%, the content of the hydrophilic additive is 10-30%, the content of the modified starch is 20-45%, the content of thecross-linking agent is 0.05-1.5%, the content of the initiator is 1.5-2%, and the content of the inorganic reinforcing agent is 2-5%. According to the invention, the high-strength high-water-absorption degradable plugging agent contains a plurality of hydrophilic groups, so that the plugging agent is high in water absorption rate and elasticity, is flexible gel, has deformability, can be squeezedinto a leakage channel to be compacted, is high in pressure bearing strength, contains high-temperature-resistant alpha-amylase, is subjected to degradation reaction at high temperature to destroy a plugging agent framework, is slowly liquefied, is free of residues and is free of pollution to stratums.

The invention provides an improved variable-section hollow square pile and belongs to the technical field of construction prefabricated parts. By the adoption of the improved variable-section hollow square pile, the problem that an existing concrete pipe pile is poor in bending resistance and connection strength is solved. The improved variable-section hollow square pile comprises a pile body. Metal end plates are fixedly connected to the two ends of the pile body. A plurality of insertion connection holes are formed in the end plate at one end of the pile body, and a plurality of insertion connection columns are fixedly connected to the end plate at the other end of the pile body. Each insertion connection column comprises a sealing part and a fixing part, and a clamping groove is formed between the fixing part and the sealing part. Two fixing plates are connected in each insertion connection hole. A tensioning part is arranged in each insertion connection hole. An asphalt layer is fixedly connected to the inner wall of each insertion connection hole. When each insertion connection column is inserted into the corresponding insertion connection hole, the asphalt layer abuts against the outer wall of the sealing part. By the adoption of the improved variable-section hollow square pile, the connection strength between two hollow square piles is higher, and the bending resistance is higher.

The invention discloses an adjusting type Chinese yam slicing device based on elastic deformation, and relates to the technical field of Chinese yam processing equipment. The adjusting type Chinese yam slicing device based on elastic deformation comprises a chopping board, a stepped groove is formed in the upper surface of the chopping board, lifting mechanisms are fixedly connected to the left side and the right side of the chopping board, an adjusting mechanism is fixedly connected to the upper surface of the lifting mechanisms, a slicing mechanism is connected to the surface of the adjusting mechanism in a sleeved mode, and supporting mechanisms are fixedly connected to the left side and the right side of the bottom of the adjusting mechanism. According to the adjusting type Chinese yamslicing device based on elastic deformation, a spring is adjusted after stretching, the distance between every two adjacent slicing mechanisms is adjusted, the universality of the slicing device is improved, so that the existing Chinese yam slicing device, the distances between adjacent cutters are equal, the thickness of the cut Chinese yam slices is equal, the distance between the cutters cannot be adjusted, and the Chinese yam pieces with different thicknesses cannot be cut according to requirements is effectively solved.

The invention relates to a low-melting-point high-volume latent heat phase change thermal storage material and a preparation method and application thereof, and belongs to the field of phase change thermal storage materials. The alloy consists of the following components in percentage by weight: 10 to 20 percent of In, 70 to 80 percent of Bi, 5 to 15 percent of Sn, 0 to 3 percent of Zn and 0 to 1percent of Ga. The alloy is prepared through casting and deformation processing, the phase change thermal storage alloy and an aluminum alloy shell are packaged together, and a heat dissipation element with the high thermal conductivity of the aluminum alloy and the thermal storage performance of the low-melting-point alloy is obtained. The low-melting-point alloy is higher in latent heat absorption response speed, is particularly suitable for heat dissipation occasions with high limitation on a packaging space, has low space requirements, and is beneficial to the overall design of equipment;the volume latent heat is large, the heat conductivity is high, the rate of volume change is low, the physicochemical property is stable, and packaging is facilitated.

The invention discloses automatic stationery clamp assembling equipment which comprises a rack. A controller and a rotating disc are arranged on the rack. A clamp base is installed on the rotating disc. A first clamp piece mounting device, a second clamp piece mounting device, a torsional spring mounting device, a pin mounting device, a pin pressing device and a take-out device are installed at the portion, at the outer side of the rotating disc, of the rack. The clamp base comprises a base body. A first clamp piece base and a second clamp piece base are arranged on the base body. The first clamp piece base and the second clamp piece base are each provided with a clamp piece placement groove. The clamp piece placement grooves extend in the width direction of clamp pieces, the two clamp piece placement grooves are inclined to the two sides of the vertical direction, and the second clamp piece base is located at one side of the first clamp piece base and can move away from the first clamp piece base. According to the clamp assembling equipment, by changing the structure of the clamp base, the other devices are correspondingly changed at the same time, clamp pieces can be spliced in the lateral direction, and therefore clamp pieces which cannot lie on the side stably can be assembled.

The invention discloses a composite electrolyte and application thereof, the composite electrolyte comprises a gel electrolyte coated on a lithium negative electrode and a quasi-solid electrolyte coated on a positive electrode, and the gel electrolyte is in contact with the quasi-solid electrolyte; electrolyte is adsorbed in the quasi-solid electrolyte; both the gel electrolyte and the quasi-solidelectrolyte contain the same conductive lithium salt; the invention also discloses application of the composite electrolyte to a lithium ion battery. According to the invention, through cooperation of the two electrolytes, lithium dendrites are inhibited, and the composite electrolyte is ensured to have good conductivity.

The invention relates to the field of petroleum engineering drilling, and discloses a bridging material and a preparation method thereof, and a plugging agent and a plugging liquid and application thereof. The bridging material comprises a honeycomb structural material, a rigid granular material and an adsorbing material, wherein at least part of the rigid granular material exists in the honeycombstructural material, and at least part of the adsorbing material is adsorbed to the honeycomb structural material so as to prevent the rigid granular material in the honeycomb structural material from falling off. The preparation method comprises the following steps: (1) mixing a honeycomb structural material and a rigid granular material until at least part of the rigid particulate granular exists in the honeycomb structural material; and (2) stirring and mixing a material obtained in the step (1) and the adsorbing material. The bridging material provided by the invention has the characteristics of ''flexibility and hardness''; and the formed barrier layer has good integrity and strong compactness, and is particularly suitable for the leakage situation when a conventional bridging plugging material is difficult to form a stable bridging in the fractured formation of carbonate rocks.

The invention discloses a waterproof pressure switch of a water purifier. The waterproof pressure switch comprises a pressure driving portion, a lever, a spring device, a travel switch and a shell. The pressure driving portion comprises a piston. The head of the piston is connected with an elastic membrane in an abutting mode. A protruding arc surface is formed on the side, away from the head, of the piston. A sunken arc surface matched with the protruding arc surface is formed at the position, corresponding to the arc surface of the piston, on the upper surface of the lever. Due to the two matched arc surfaces, the piston and the lever are connected in an abutting mode. The shell comprises a main shell and an auxiliary shell. The main shell is in a cuboid shape. An opening through which the travel switch is allowed to pass is formed in one face of the main shell. The face, adjacent to the opening, of the main shell and a communicating pipe are integrally formed. The auxiliary shell is in a hollow prismatic shape and connected to the opening in a sleeving mode. A waterproof gasket is arranged between the auxiliary shell and the main shell in a padded mode. The waterproof pressure switch of the water purifier can have the advantages of being stable in performance, precise in preset pressure control, good in waterproof performance and the like.

The invention belongs to the technical field of robot control, and discloses a Mars star catalogue low-altitude throwing robot and a control method thereof. The Mars star catalogue low-altitude throwing robot is composed of an extension topological robot and a buffer coating layer; and the buffer coating layer is composed of four circular aluminum honeycomb sandwich buffer pads and six explosive bolts so as to realize soft landing of the extension topological robot and detonate a bolt to unlock after landing. The extension topological robot is a closed-chain movable connecting rod mechanism based on a variable geometry truss. The closed-chain movable connecting rod mechanism is composed of six telescopic connecting rods, four nodes and an electric control system. A decentralized control strategy has expandability, more connecting rods and nodes are added according to future needs to form a more complex structure, only gait planning needs to be carried out again, and the whole control system does not need to be rewritten. The robot is high in adaptability to complex terrains and has the capabilities of crossing gullies, climbing rocks and crossing obstacles; movement is flexible, and a certain deformation capacity is achieved; and the robot can go deep into caves, slits and other severe environments for detection.

The invention discloses cross-linking-type organic polymer-calcium carbonate composite particles and a preparation method thereof. An organic polymer layer coats the surface of a calcium carbonate particle so that the cross-linking-type organic polymer-calcium carbonate composite particle is obtained. The organic polymer is a cross-linking-type organic polymer prepared from polyethylene glycol having the number-average molecular weight of 400-2000 under the action of a cross-linking agent and a cross-linking catalyst. The preparation method comprises the following steps of mixing PEG, the cross-linking agent and the cross-linking catalyst in distilled water as a dispersion medium to obtain a uniform mixture, carrying out high-speed stirring, carrying out drying so that the mixture can be directionally adsorbed by the surface of CaCO3, carrying out high-speed stirring at a certain temperature so that a uniform coating layer is formed on the surface of CaCO3, and after the reaction is finished, carrying out cooling and crushing. The preparation method has simple processes and a low cost. The cross-linking-type organic polymer-calcium carbonate composite particles have large interface bonding strength of the coating layer and the polymer, and the coating layer is similar to elastomer materials, can be used for plastic resin, can improve the compatibility of CaCO3 particles and resin, can realize improvement of toughness and strength of the composite material having high filling content, and has good mechanical properties.

The invention belongs to the technical field of quenching devices, and specifically relates to a liquid bismuth alloy quenching device. The device comprises an uncoiling wheel, a coiling wheel and a steel strip, wherein a heating furnace and a quenching furnace for thermally processing the steel strip are arranged between the uncoiling wheel and the coiling wheel; the heating furnace and the quenching furnace are subjected to height difference and are completely closed; the quenching furnace is inverted trapezoidal and comprises a first quenching box and a second quenching box which are separated through a separating plate; the first quenching box comprises liquid bismuth stored in the first quenching box, and a heating plate which is arranged at the outer side of the first quenching box and is used for adjusting the temperature of the liquid bismuth; and a hollow upper pressing plate for supporting the cooling of the steel strip and a lower pressing plate for supporting the steel strip are correspondingly arranged at two sides of the steel strip in the first quenching box. According to the device, water cooling and spraying cooling are integrated to quench the steel strip; the device is environmentally friendly, simple, high in production efficiency, high in surface smoothness and high in flatness. The invention also discloses a quenching technology of the liquid bismuth alloyquenching device.