40results about How to "Not easy to puncture" patented technology

The invention discloses an artificial insemination instrument for queen bees with a precision three-dimensional guide rail and a using method thereof, and belongs to the professional technical field of honeybee breeding. The artificial insemination instrument comprises a ventral hook control rod, a back hook control rod, a microsyringe, a polyethylene syringe needle, upper and lower guide rails, front and rear guide rails, left and right guide rails, a spherical steering valve I, a magnetic type anesthetic room, a stand column I, a base, an anti-skid pad, a stand column II and a spherical steering valve II. The stand column I and the stand column II are arranged on the left side and the right side of the upper portion of the base respectively. The ventral hook control rod and the stand column I are connected through the spherical steering valve I arranged on the stand column I, the back hook control rod and the stand column II are connected through the spherical steering valve II arranged on the stand column II, the upper and lower guide rails, the front and rear guide rails and the left and right guide rails are combined into the three-dimensional guide rail, the three-dimensional guide rail is arranged on the stand column II, and the microsyringe is fixedly arranged on the upper and lower guide rails. According to the artificial insemination instrument for queen bees, on the premise of not damaging queen bees, artificial insemination of the queen bees can be precisely completed, the insemination precision is improved, operation is convenient, and the service life is prolonged.

The invention discloses a heat-resisting, high-pressure-resisting and high-air-permeability ventilated felt for autoclave forming composite materials. The heat-resisting, high-pressure-resisting and high-air-permeability ventilated felt for the autoclave forming composite materials is formed by blending 5-50% of polyester staple fiber, 40-95% of modified polyester staple fiber and 0-10% anti-slip staple fiber. The heat-resisting, high-pressure-resisting and high-air-permeability ventilated felt for the autoclave forming composite materials, is high in usability, slip-proof, good in ventilation performance at normal temperature and significant in air permeability when applied to an autoclave, can guarantee compact forming of composite material products and has a maximum usage temperature up to 230 DEG C and a bearable pressure up to 0.8 Mpa. The preparation method of the heat-resisting, high-pressure-resisting and high-air-permeability ventilated felt for the autoclave forming composite materials is simple and low in cost, most of the raw materials can be purchased on the market, the production can be performed on common knitting machines and accordingly small equipment investment can be obtained.

The invention provides a device for high-altitude entertainment, which belongs to the field of high-altitude entertainment. At least three gas-filled airbags are built into the cavity of the device. The device includes a barrel-shaped airbag that is filled with helium and expands with heat and contracts with cold, which is explosion-proof and flat-proof. The airbag includes a first airbag, a second airbag and a third airbag, the first airbag and the third airbag are closed airbags filled with helium gas, and the second airbag is an inflatable airbag filled with air. In the present invention, by improving the existing single airbag, the first airbag and the third airbag which are filled with light gas and closed, and the second airbag which is filled with air are set in the inner cavity of the barrel-shaped airbag, and because The second airbag is equipped with a fully automatic inflation and deflation unit to inflate or deflate according to the pressure and temperature of the air, thus ensuring that the inner pressure of the barrel-shaped airbag is stable and the shape is fixed. increased maintenance costs.

The invention discloses an anti-pricking tire, comprising a tire body, a tire tread integrally vulcanized with the tire body, or a tire tread matched with teeth and grooves on the tire body, wherein belted layers are arranged in the tire tread; and at least one of the belted layers is a spiral belted layer wound by steel wires along the rotary direction of the tire. According to the anti-pricking tire disclosed by the invention, the anti-pricking performance can be improved, and the service life can be prolonged.

The invention relates an all-In-One machine for peeling and cleaning sugarcane, which belongs to the sugarcane-peeling technology field. The machine comprises a workbench and a adjusting plate. Two bearing brackets are disposed in the workbench, opposite to a scraping sheath. Blades are disposed in the inner top wall. Two ends of the scraping sheath are installed in the bearing brackets by bearings. A handle plate is fixed in the right end of the scraping sheath. The adjusting plate is installed in the bottom of the inside scraping sheath. An ejector pin is disposed in the left of the scraping sheath, opposite to a sliding mechanism. An electric motor is installed in the lower right half part of a workbench. A discharge opening of scrap is disposed in the place opposite to the scraping sheath. A table is arranged at the lower part of the discharge opening of scrap. A sugarcane collecting tank and a scrap collecting tank are disposed in the table. A cutting board is fixed in the left of the workbench. A cutting knife is horizontally placed in the cutting board. A water tube that supplies water for the edge of the blade is disposed in the opposite cutting direction of the blade. The intake end of the water tube is connected with a washing pump. The all-In-One machine for peeling and cleaning sugarcane has the advantages of saving both time and labor, and peeling effectively.

The invention belongs to the technical field of wave-absorbing materials, and particularly relates to a composite wave-absorbing material and a preparation method thereof. The preparation method of the composite wave-absorbing material comprises the steps: (1) dissolving a cobalt source, urea and ammonium fluoride in water, performing a hydrothermal reaction, and performing cooling and high temperature annealing so as to obtain Co3O4; (2) dissolving Co3O4 and sodium sulfide in water, performing a hydrothermal reaction, and then carrying out high temperature annealing so as to obtain three-dimensional cobalt sulfide; (3) mixing the three-dimensional cobalt sulfide and a modifier aqueous solution, and performing modification so as to obtain modified three-dimensional cobalt sulfide; (4) compounding the modified three-dimensional cobalt sulfide and a graphene oxide aqueous solution so as to obtain a primary cobalt sulfide / graphene oxide composite material; and (5) performing heating reduction on the primary cobalt sulfide / graphene oxide composite material, and performing drying so as to obtain the composite wave-absorbing material. Through the preparation method, the technical defectsof a narrow frequency band, low efficiency and a complicated preparation process of a traditional graphene-based composite wave-absorbing material are overcome.

A core mold for concrete filling comprises a basin-shaped mold (1) and a sealing mold (2). The basin-shaped mold (1) and the sealing mold (2) are in butt joint to form a cavity. The core mold is characterized in that the basin-shaped mold (1) and the sealing mold (2) are in butt joint; melted portions are jointly welded into a whole after plastic at two joint portions (4), where a basin mouth portion (3) is in butt joint with the sealing mold (2), is heated and melted. Before butt joint of the basin-shaped mold and the sealing mold, the melted portions are jointly melted into a whole after the plastic of the joint portions, where the basin mouth portion is in butt joint with the sealing mold, is heated and melted simultaneously, jointing quality can be guaranteed during spicing by a hot-melting joint belt, and jointing interfaces of the two components can be increased, so that the two components can be really connected to be integrated; through the hot-melting joint mode, jointing speed, efficiency and connection strength are high; the core mold is applicable to hollow floors, roofs, walls, foundation slabs and bridges with cast-in-place reinforced concrete or prestressed reinforced concrete, and particularly applicable to the hollow floors.

The invention relates to a mechanical-sugarcane-peeling cleaning machine with recycling mechanism, which belongs to the technical file of sugarcane peeling. The cleaning machine comprises a workbench and a adjusting plate, two bearing pedestals are mounted on the workbench , the bearing pedestals are correspondingly provided with a peel-scraping cover, blade is mounted on the peel-scraping cover, and the two ends of the peel-scraping cover are each installed on the bearing pedestals through bearings, at right end of the peel-scraping cover is connected with handle plate used for rotating the peel-scraping cover, the adjusting plate is mounted in the bottom of the peel-scraping cover, the right-below-half part of the workbench is provided with a motor, the workbench, which is corresponding to the rightly below part of the peel-scraping cover, is provided with a opening discharging scraps, the workbench in the below of the opening is provided with a place station, collecting grooves both of sugarcane and waste are mounted on the place station, the cut direction corresponding to the blade is provided with water pipe used for supplying cleaning water to the edge of the blade, the water-inletting end is connected with a scavenging pump. The cleaning machine has the advantages of being capable of saving both of time and labor, high in the efficiency of paring, and clean and sanitary.

The invention discloses a safe and energy-saving pricking-prevention low-hysteresis tire. The tire is mainly composed of an inner ring, a bent beam support object and an outer rubber tire, wherein the inner ring is positioned at the innermost side, is round, and plays the role of connecting a rim and the bent beam support object; the bent beam support object is formed by the rotational and symmetrical arrangement of a plurality of bent beam components which are same in shape and are made of low-elastic-hysteresis materials between the inner ring and the outer rubber tire by taking a wheel shaft as the center, can play the role of supporting as well as can replace the rubber side wall of an inflated tire to transmit power, and also reduces the energy and power loss due to elastic hysteresis as far as possible; while the outer rubber tire is braced to the outer side of the bent beam support object, and can play roles of buffering, damping and reducing the abrasion of the bent beam, and can wrap the integral or partial of the tire in necessity so as to insulate dustiness. The safe and energy-saving pricking-prevention low-hysteresis tire can be used for solving the problems that the traditional inflation type tire is easy to prick and explode, is high in elastic hysteresis and the like, and the vehicle driving safety and energy conservation are improved effectively.

The technical proposal of the invention relates to a puncture-proof device of a tire, comprising an isolation placing layer and a puncture-proof block; the isolation placing layer comprises an isolation layer for isolating the puncture-proof block, a placing hole for placing the puncture-proof block; the placing holes are evenly distributed on the isolation layer; the puncture-proof block is placed in the placing hole; the isolation placing layer is matched with the size of the tire and can be placed in the wearing layer of the tire. The invention provides a puncture-proof device of a tire, which has a simple technological process capable of preventing sharp objects from puncturing into the inner tire and avoiding the inconvenience caused by air leakage.

The invention relates to a manual sugarcane peeling and cleaning device with a recovery and cutting assembly and belongs to the technical field of sugarcane peeling. The manual sugarcane peeling and cleaning device comprises a work bench and an adjusting plate. a scraping sleeve is arranged corresponding to two bearing seats; a blade is arranged on the internal top wall of the scraping sleeve; two ends of the scraping sleeve are installed on the corresponding bearing seats via bearings; a handle disc is fixed on the right end of the scraping sleeve; the adjusting plate passes through the internal bottom of the scraping sleeve; a discharging port is arranged on the work bench right under the scraping sleeve; a bearing platform is mounted on the work bench under the discharging port; the bearing platform is provided with a sugarcane collecting tank and a waste material collecting tank; a cutting plate is horizontally fixed on the left side of the work bench; a cutter is horizontally arranged on the cutting plate; a water pipe supplying clean water to a cutting edge of the cutter is arranged in a cutting direction of a corresponding blade; and a water inlet end of the water pipe is connected with a cleaning pump. Time and efforts can be saved during peeling; and high peeling efficiency can be improved.

The invention discloses a machining-free puncture-resisting recycled tire, comprising a carcass and a tread integrated with the carcass in vulcanization or a tread matched with carcass teeth and grooves, wherein a belt layer is arranged in the tread. The recycled tire is characterized in that a puncture-resisting ring or a belt layer is arranged in the carcass; and at least one of the belt layers in the carcass is a spiral belt layer formed by winding steel wires around the rotation direction of the tire. According to the invention, the tire can improve the puncture-resisting performance, overcomes deformation and extend the service life.

The invention discloses a high vacuum barrier film with double heat-seal layers, and a preparation method of the high vacuum barrier film. The high vacuum barrier film with the double heat-seal layerscomprises the external heat-seal layer, a nylon layer, a polyester aluminized film layer, an aluminum foil layer and the internal heat-seal layer which are sequentially arranged from outside to inside. The preparation method comprises the following steps: compounding the polyester aluminized film layer with the aluminum foil layer by hot-pressing so as to obtain an intermediate product A; enabling the aluminum foil layer of the intermediate product A to be contacted with the internal heat-seal layer, and compounding by hot-pressing so as to obtain an intermediate product B; coating the nylonlayer with the external heat-seal layer to obtain an intermediate product C; adding a bonding agent into a space between the nylon layer of the intermediate product C and the polyester aluminized filmlayer of the intermediate product B, and compounding by hot-pressing so as to obtain an intermediate product D; placing the intermediate product D in an environment of 50-60 DEG C for 12-15h to obtain the high vacuum barrier film with the double heat-seal layers. The high vacuum barrier film provided by the invention is provided with the double heat-seal layers, can enable the internal heat-seallayer to be in hot melting connection with a core material when being used for preparing a vacuum insulated panel, and is good in sealing property and puncture-resistant.

The invention discloses a dental filling machine, comprising a barrel, a storage cylinder and a piston, wherein the barrel comprises a first barrel and a second barrel; a syringe needle is arranged at the first end of the first barrel; the second end of the first barrel is sleeved at the first end of the second barrel; the storage cylinder is arranged inside the first barrel and comprises a filling material inlet and a filling material outlet; the filling material outlet corresponds to the syringe needle; the filling material inlet extends into the second barrel; a space is formed between the storage cylinder and the first barrel and used for providing a heating component; the piston is arranged inside the storage cylinder; a main push rod main body and a push handle, which are used for applying pressure are sequentially arranged at one end of the piston; and the main push rod body extends out of the second end of the second barrel. The heating device is arranged inside the dental filling machine and used for heating the filling material to keep the temperature of the filling material, and meanwhile, the filling, repairing and cleaning in the tooth filling process are integrated, so that the dental filling machine is convenient and practical.

The invention relates to the technical field of medical treatment, in particular to an artificial membrane rupture needle, and aims to solve the problem that a fetus is likely to injure when an existing membrane rupture needle body is utilized to perform membrane rupture on a pregnant woman with an inconspicuous amniotic sac. For this purpose, the artificial membrane rupture needle of the invention comprises a needle body and a needle handle; the needle body is connected with the needle handle; the needle handle communicates with a suction cup; a negative pressure device is arranged in the needle handle; the negative pressure device provides negative pressure to the suction cup; a first through hole allowing the needle body to pass through is reserved in the middle part of the suction cup;the distance between the needle body and the needle handle can be adjusted. According to the artificial membrane rupture needle of the invention, the suction cup is installed, a fetal membrane is punctured after being moved backwards through negative pressure adsorption; the artificial membrane rupture needle is convenient to use, and for the pregnant woman with the inconspicuous amniotic sac, since the fetal membrane is next to the head of a fetus, the fetal membrane is punctured after being sucked and pulled backwards to avoid that the body of the fetus is injured, so that the risk of membrane rupture with an ordinary needle is greatly lowered, namely that blind zone operations are reduced, the safety factor is high, and medical disputes are avoided.

The invention particularly relates to a high-strength solid electrolyte membrane and a preparation method and application thereof, and belongs to the technical field of lithium ion batteries, the electrolyte membrane comprises a supporting layer and an electrolyte layer, the supporting layer is used for enhancing the mechanical strength of the electrolyte membrane, the electrolyte layer is coated on the surface of the supporting layer, and the electrolyte layer is coated on the surface of the supporting layer. By adding the supporting layer, the strength of the composite solid electrolyte is remarkably improved, and the composite solid electrolyte is not easy to puncture, is favorable for reducing the risk of internal short circuit and is not easy to damage in the assembly process.

The invention discloses a novel inflation-free tire capable of preventing puncture and tire burst. The novel inflation-free tire is provided with a hub and a tire body, a rubber matrix injection opening and a notch are formed in the circumferential surface of the hub, a plurality of baffles are arranged on an inner ring of the tire body, and a rubber matrix is injected into a gap between the hub and the tire body; a cover is arranged on the rubber matrix injection opening, and is in threaded connection with the rubber matrix injection opening. The formulas of the rubber matrix are various, and the injection modes are mainly cold injection and hot injection. The novel inflation-free tire capable of preventing puncture and tire burst has the beneficial effects that the tire is closely fitted with the hub by injecting the rubber matrix, so that friction caused by relative movement is not avoided, the operation temperature is lowered, inflation is not needed, the tire is not easy to puncture or burst, a car does not swing easily when running at high speed and does not drift easily when braking, and the surface of the tire is relatively smooth, so that the contact area with a road is increased, the frictional force is effectively improved, the brake distance is shorter, the car does not vibrate easily when running on the bumpy road, the use durability is long, and the service life of the tire is prolonged.

The invention discloses an out-of-control falling buffer control device for an elevator car, and belongs to the field of elevators. The out-of-control falling buffer control device for the elevator car comprises a control cabinet, a guide rail, a buffer base, a traction machine and an elevator shaft, wherein the control cabinet and the traction machine are mounted at the upper end of the elevatorshaft; the guide rail is mounted in the elevator shaft; the buffer base is positioned on the bottom of the elevator shaft; a car is connected on the guide rail; a control panel is mounted in the car;the lower end of the car is equipped with a buffer mechanism; the buffer mechanism comprises a friction pad and an air inflation bag; one end of the friction pad is fixedly connected with a heat conducting plate; and one end, away from the friction pad, of the heat conducting plate is fixedly connected with a thermal expansion layer. In case of realizing that four defense lines of an elevator loseefficacy, a fifth defense line can be provided to achieve the buffer control effect while the car is out of control to fall, so that a last defense line of life is provided for personnel in the elevator, and therefore, personnel casualties are reduced.

The invention discloses a high-lift four-drive agricultural embracing type grass gripping machine which comprises a gearbox, wherein one end of a power output shaft of the gearbox is connected with a front axle through a front transmission shaft, the other end of the power output shaft is connected with a rear axle through a rear transmission shaft; a front end of the rack is hinged with a stand column welder; a lifting device is hinged at the front end of the stand column welder; a clamping and embracing device is arranged on the lifting device; an outer slide path and an inner slide path of the lifting device are connected in a sliding manner, the bottom of the outer slide path is hinged with the stand column welder; a swinging oil cylinder is hinged between the upper part of the stand column welder and the outer slide path; a lifting oil cylinder is fixedly connected on the outer slide path; right clamping plates are connected on a first guide rail and a third slide rail of a guide rail bottom plate of the clamping and embracing device in a sliding manner; left clamping plates are connected on the second guide rail and the fourth guide rail in a sliding manner; when the lifting oil cylinder is at the highest position, the lower sides of the left clamping plates and the right clamping plates are 6m from the ground. The machine adopts the clamping and embracing device, so that outer packages of soft packaged objects are not prone to puncture when soft packaged objects of various forms are carried; the lifting height of the machine can reach 6m, so that high-level stacking needs can be met.

The invention relates to an umbrella which comprises a middle rod, an upper nest base and a plurality of face ribs distributed in a radial mode, the upper nest base is arranged on the peripheral face of the middle rod in a sleeving mode, and the upper nest base can freely rotate and move. And the upper ends of the face ribs are hinged with the upper nest base. The upper nest base of the umbrella is movably arranged on the middle rod in a sleeving mode, the upper nest base and the movable nest base can synchronously and freely rotate around the middle rod, other people are not prone to being stabbed in walking crowds, smooth passing is not hindered, use is more convenient, the umbrella ribs are not extruded to deform, the service life is prolonged, and the upper nest base is easy and convenient to install, low in manufacturing cost and high in production efficiency.

The invention relates to the technical field of polymer packaging materials, in particular to a preparation method of a novel polymer packaging material for electronic components. Comprising the following preparation steps: preparing 60 to 80 parts by weight of polyvinyl alcohol resin, 50 to 70 parts by weight of polyethylene glycol terephthalate, 130 to 170 parts by weight of high density polyethylene, 60 to 70 parts by weight of polyvinylidene fluoride, 35 to 38 parts by weight of polycarbonate, 80 to 100 parts by weight of polyvinyl chloride and 20 to 24 parts by weight of an additive; adding polyvinyl alcohol resin, polyethylene glycol terephthalate, high-density polyethylene, polyvinylidene fluoride, polycarbonate and polyvinyl chloride into the reaction kettle, and heating and stirring through the reaction kettle; according to the polymer packaging material produced through the technical scheme, the good strength is guaranteed, the use effect is guaranteed, the problem of static electricity can be effectively prevented, and therefore electronic components are well protected.

The invention relates to the field of medical instruments, and in particular, relates to an implantation instrument with a retractable anchoring structure. The implantation instrument comprises a support frame main body, the support frame main body at least comprises an anchoring part, the anchoring part comprises one or more repeated anchoring units, and each anchoring unit comprises a tissue contact part and a connecting part; the far-end part of the tissue contact part can form hanging anchoring with a cavity tissue; and when the anchoring unit is radially extruded, the connecting part elastically deforms and drives the tissue contact part to retract inwards towards the radial center relative to the supporting frame main body, and the non-puncture or low-puncture effect is formed on the tissue in contact with the anchoring part.

The present invention relates to the technical field of medical waste recycling, specifically a method for classifying and recycling medical device waste, which mainly includes the following steps: S1. Device disassembly: detaching and separating the syringe and the needle cap in the medical device to make the syringe and the needle Separation of caps for classification processing; S2, syringe processing: separately store and collect the syringes separated in step S1, pack the collected syringes and return them to the factory for recycling; S3, needle cap processing: process the separated needle caps in step S1 For processing, since there is a needle tube at the front end of the needle cap, the needle tube needs to be removed first, and the needle tube on the needle cap should be pulled out by external force, so that the needle cap and the needle tube can be completely separated; The coiled needle tube collects and the residual medicine in the needle tube can flow out from the mesh basket, make it pass through the filter screen and reach the box body, and then discharge the residual medicine in the needle tube, affecting environmental sanitation.

The invention discloses an artificial insemination instrument for queen bees with a precision three-dimensional guide rail and a using method thereof, and belongs to the professional technical field of honeybee breeding. The artificial insemination instrument comprises a ventral hook control rod, a back hook control rod, a microsyringe, a polyethylene syringe needle, upper and lower guide rails, front and rear guide rails, left and right guide rails, a spherical steering valve I, a magnetic type anesthetic room, a stand column I, a base, an anti-skid pad, a stand column II and a spherical steering valve II. The stand column I and the stand column II are arranged on the left side and the right side of the upper portion of the base respectively. The ventral hook control rod and the stand column I are connected through the spherical steering valve I arranged on the stand column I, the back hook control rod and the stand column II are connected through the spherical steering valve II arranged on the stand column II, the upper and lower guide rails, the front and rear guide rails and the left and right guide rails are combined into the three-dimensional guide rail, the three-dimensional guide rail is arranged on the stand column II, and the microsyringe is fixedly arranged on the upper and lower guide rails. According to the artificial insemination instrument for queen bees, on the premise of not damaging queen bees, artificial insemination of the queen bees can be precisely completed, the insemination precision is improved, operation is convenient, and the service life is prolonged.

The invention relates to a manual sugarcane peeling and cleaning device with feeding, recovery and cutting assembly and belongs to the technical field of sugarcane peeling. The manual sugarcane peeling and cleaning device comprises a work bench and an adjusting plate, wherein two bearing seats are mounted on the work bench; a scraping sleeve is arranged corresponding to the two bearing seats; a blade is arranged on the top wall of the scraping sleeve; two ends of the scraping sleeve are respectively arranged on the bearing seats via a bearing; the adjusting plate passes through the internal bottom of the scraping sleeve; a top rod is mounted on the left side of the scraping sleeve; a sliding mechanism is correspondingly arranged on the top rod; the work bench is provided with a discharging port corresponding to the scraping sleeve; a bearing platform is arranged under the discharging port; the bearing platform is provided with a sugarcane collecting tank and a waste material collecting tank; a cutting plate is horizontally fixed to the left side of the work bench; a cutter is horizontally arranged on the cutting plate; a water pipe supplying cleaning water to a cutting edge of the blade is arranged in a cutting direction of the blade; and a water inlet end of the water pipe is provided with a cleaning pump. Time and efforts can be saved and great peeling efficiency can be achieved.