1189results about How to "Won't enter" patented technology

The invention belongs to the field of exploitation of fluid ores such as petroleum, natural gases and shale gases and provides a self-suspension supporting agent for natural water fracturing construction. The self-suspension supporting agent is formed by coating or partially coating water-soluble high polymer materials on aggregate, wherein the aggregate refers to solid particles with enough mechanical strength capable of bearing fracture closure stress and is selected from one or more of quartz sand, ceramsite, metal particles, spherical glass particles, sintered bauxite, sintered alumina, sintered zirconia, synthetic resins, precoated sand and crushed shell particles; and the amount of water-soluble high polymers is 0.1-5wt% of the amount of the aggregate. According to the self-suspension supporting agent provided by the invention, proper high polymer materials and adhesive materials are selected, the supporting agent has good physical properties and chemical stability, the high polymer materials do not enter the reservoir cracks along with a fracturing fluid and can smoothly flow back, and the mining efficiency is obviously improved.

The invention discloses an adjustable oblique-type vegetable grafting device, which comprises a rack, a stock clamping mechanism, a stock hole punching mechanism, a scion clamping mechanism, a scion cutting mechanism, a control mechanism and an automatic back planting mechanism. The invention additionally discloses a realization method of the adjustable oblique-type vegetable grafting device. Theadjustable oblique-type vegetable grafting device overcomes the problems that the requirement on grafting skills is high, the grafting difficulty is great, key parts are inconvenient to adjust, safety protection mechanisms are not complete, the operation difficulty is great, the device is inconvenient to operate, a large quantity of labor force is consumed for seedling back planting and transportation after grafting and the like in the prior art. The adjustable oblique-type vegetable grafting device has the characteristics that the structural principle is simple, the device is convenient to operate, a stock clamp can be fine tuned in real time, the key parts are simple and convenient to adjust, the grafting reliability is high, the safety protection mechanisms are complete, the labor force is saved and the like.

The invention relates to a movement control method, device and system and belongs to the technical field of computers. The method comprises the following steps: moving in a target region based on a pre-stored moving map labeled with a forbidden moving region, wherein the moving map is a map for the target region; controlling the equipment to move into other regions in the target region except the forbidden moving region when the equipment is detected to be moved to the boundary of the forbidden moving region labeled in the moving map. According to the method disclosed by the invention, the possibility that a floor mopping robot is damaged can be reduced.

The invention relates to a two-dimension fountain device, which comprises a lower dimension mechanism and an upper dimension mechanism. The lower dimension mechanism and the upper dimension mechanism respectively comprise a motor, a speed reducer, an output shaft, a three-way connector and an overflow support ring. The upper dimension mechanism also comprises a shower nozzle with an elbow pipe. In the lower dimension mechanism, an outlet at the lower end of the shell of the speed reducer is connected with a water-proof tube; the bottom part of the water-proof tube is provided with a cable input connector; the outer wall of the lower end of the output shaft in the water-proof tube is connected with a nut; the inner wall of the lower end of the output shaft in the water-proof tube is connected with a conducting ring seat; and the bottom part of the conducting ring seat is connected with an axial conducting ring inserted into the conducting ring seat. The first ports of the two three-way connectors and the outlet of the shell of the corresponding speed reducer as well as the corresponding input shaft are respectively and hermetically connected through two rubber seal rings, a skeleton seal ring, a seal stop bowl and a stainless steel snap ring. The third ports of the two three-way connectors and the corresponding overflow support ring are hermetically connected through a polytetrafluoroethylene ring. The two-dimension fountain device is good in sealing property under high-pressure water flow, can be used for enabling the shower nozzle to continuously and freely rotate for 360 degrees and can be widely applied to various fountain facilities.

A polarization micro-strip reflection antenna, composed of the reflection resource and the mattress reflector. The mattress reflector is made up of the upper and the lower dielectric substrates and the grounded metal board. The lower dielectric substrate is between the upper substrate and the grounded metal board, and there is space between the upper and the lower dielectric substrates, and between the lower dielectric substrate and the grounded metal sheet. Set the upper rectangle sticking sheet on the upper dielectric substrate, and the upper rectangle sticking sheet is on the cycle-arranged lattice points. Set the lower rectangle sticking sheet on the lower dielectric substrate, and the lower rectangle sticking sheet is on the cycle-arranged lattice points. The lattice points array of the upper dielectric substrate superposes that of the lower one, and the two rectangle sticking sheets on the same lattice point have similar shape, the long side and the short side sizes of the rectangle sticking sheets on the same dielectric substrate decrease with the increase of the distance from its lattice point to the central lattice point, the sizes of long and short sides of the lower rectangle sticking sheets are bigger than that of the upper sheets.

The invention relates to the field of magnetic isolation material, and discloses a magnetic isolation material and a preparation method and application thereof. The magnetic isolation material comprises a magnetic layer and protective films and an off-type films arranged on different sides of the magnetic layer, wherein the magnetic layer comprises at least one magnetic material sheet layer. The magnetic material sheet layer comprises a plurality of magnetic material chips and the gap between the magnetic material chips are at least partially filled with air; a first glue layer is arranged between the protective film and the magnetic layer and a second glue layer is arranged between the off-type film and the magnetic layer. The preparation method overcomes the problems of complex preparation process of the magnetic isolation material in the prior art, and the prepared magnetic isolation material is with better performance.

The invention relates to the field of breeding, and particularly discloses a feed feeding amount control device which comprises a machine table, a hopper, a stirring device and a control device. The control device comprises a stepless motor, a rotary shaft, a rotary disc, springs and a sliding block, one end of the rotary shaft is connected with the power output end of the stepless motor, and the other end of the rotary shaft is connected with the rotary disc and one ends of the springs. The other ends of the springs are connected with one end of the sliding block, a plurality of sliding grooves matched with the sliding block are formed in the rotary disc, first through holes are formed in the sliding grooves, and a second through hole is formed in the sliding block. The rotary shaft, the rotary disc, the springs and the sliding block are all arranged in a cavity, a second discharging opening is formed in a bottom plate, and the position of the second discharging opening corresponds to that of a first discharging opening. According to the scheme, through the cooperation of the rotary disc, the sliding block and the stepless motor, the feeding amount of feed becomes controllable.

The invention discloses a membraneless electrodeionization method and a system thereof, which are capable of directly exhausting oxygen gas and hydrogen gas outwards. A gas exhaust opening is connected with a gas exhaust valve; a spring, an upper porous support plate, an upper electrode, a water distributor with micropores, a lower electrode and a lower porous support plate are sequentially placed in an insulated cavity body from the top to the bottom; an outlet of the water distributor is connected with a water purification box via a water purification valve; ion exchange resin is filled between the two electrodes; the upper electrode is fixed on the lower surface of the upper porous support plate, and the lower electrode is fixed on the upper surface of the lower porous support plate; atop cover is sealed with a cylinder-shaped housing, and a bottom cover is sealed with the lower end surface of the cylinder-shaped housing; the upper porous support plate is sealed with the upper endsurface of the cylinder-shaped housing; and the two electrodes are respectively connected with a direct current power source. In a regeneration process, gas produced on the two electrodes is exhausted outwards from the two ends of a membraneless electrodeionization device, so that gas products cannot be accumulated in a resin layer. The membraneless electrodeionization method and the system thereof are suitable for the preparation of high purity water, the purification of electroplating and rinsing wastewater containing heavy metal ions, and the like, and the treatment of other water and wastewater, which aims for ionic impurity removal.

The invention discloses a coal mine gob area sealing method, and belongs to the technical field of coal mine gob area gas extraction. When retaining walls of a first sealing chamber or roadway surrounding rocks between the retaining walls are cracked, cracks can be rapidly filled by the aid of fine sand with flowability under the action of ground stress and mining dynamic stress, and tightness is ensured. By the aid of positive and negative differential pressure characteristics of a second sealing chamber, nitrogen pressure in the second sealing chamber is constantly higher than air pressure in a ventilating roadway, a gob area is separated from the ventilating roadway by the second sealing chamber, air in the ventilating roadway cannot enter the gob area, and gas in the gob area cannot permeate into the ventilating roadway. By double sealing of the first sealing chamber and the second sealing chamber, sealing reliability of the gob area is greatly improved, the probabilities of spontaneous combustion of float coal and gas explosion are minimized, and safety of nearby roadways or working faces is guaranteed.

The invention relates to a steam box and microwave oven all-in-one machine. The steam box and microwave oven all-in-one machine comprises a box body, a cooking chamber oven cavity is formed in the box body, and an oven door assembly is arranged on the front side of the box body. A steam generating device, a microwave generating device and a control device are further arranged in the box body, wherein the control device is used for controlling the work state of the steam generating device and the working state of the microwave generating device. A door body for preventing microwaves and steam from leaking is arranged on the oven door assembly. A steam inlet is formed in the side wall of the cooking chamber oven cavity. A microwave guide device is arranged in the box body, an outlet of the microwave guide device is communicated with a microwave inlet port, a microwave stirrer is arranged on the microwave inlet port, a flat plate capable of being penetrated by microwaves is arranged above the microwave stirrer, the flat plate is located in the cooking chamber oven cavity, and a steam outlet communicated with the outside is formed in the side wall of the cooking chamber oven cavity. The steam box and microwave oven all-in-one machine can achieve the heating function of a microwave oven and the functions of the steam box, meanwhile, the steam generating device does not occupy space inside the cooking chamber oven cavity, and besides heated food cannot be soaked by condensate water so that the taste of the food cannot be affected.

The invention provides a stratified sampling device for soil detection. The stratified sampling device for soil detection comprises a drilling pile, a spiral drill bit is fixedly mounted on the bottomside of the drilling pile; a columnar groove is formed in the top side of the drilling pile; a rotating shaft is rotationally mounted in the columnar groove; a fixing plate is fixedly installed on the top side of the drilling pile, the top end of the rotating shaft penetrates through the fixing plate and is fixedly provided with a crank, the rotating shaft is fixedly sleeved with a plurality of first bevel gears, a fixing column is fixedly installed in the center of the top side of the fixing plate, and a rotating disc is fixedly installed on the top side of the fixing column. A plurality ofsampling holes are formed in one side of the drilling pile, the sampling holes are vertically formed at equal intervals, the sampling holes communicate with the columnar groove, sampling assemblies are installed in the sampling holes, and each sampling assembly comprises a moving assembly, an installing assembly and a sampling barrel. The stratified sampling device for soil detection has the advantages of being convenient to use, easy to operate and capable of achieving stratified sampling.

The invention discloses a multifunctional electrical equipment box with ventilation and heat dissipation functions. The electrical equipment box comprises an electrical equipment box body, the multifunctional electrical equipment box with ventilation and heat dissipation functions is simple in structure, dust can be prevented from entering the electrical equipment box body by the aid of a filter net, dust is effectively prevented from entering the electrical equipment box body while the electrical equipment box body dissipates heat, a front shielding plate can prevent rainwater entering air holes, a first conductive piece and a second conductive piece are contacted, a motor drives a second connecting rod and a large brush plate to rotate, large soft bristles on the large brush plate are used for deeply treating dust on the filter net and enlarging the clearing area, when the second connecting rod rotates, a second permanent magnet attracts an iron block intermittently, a third connecting rod drives the large brush plate and a fourth connecting rod to move up and down under the action of a pull cord, a second spring and a third spring, so that the large soft bristles on the large brush plate rotationally move up and down for sweeping, and the sweeping efficiency is improved.

The invention relates to a single-joint water machine fish which comprises a shell, a main board cabin, a motion control cabin and a battery cabin; the outer contour of the shell is in a bionic fish shape, one end of the connecting rod is a front shell, and the other end of the front shell is of a bionic fishtail structure, and the front end of the main board cabin is matched and installed with the inner side of the front casing, wherein a lens set is arranged in the main board cabin, an eccentric anti-shake mechanism and a main PCB (printed circuit board), wherein the motion control cabin is connected with the rear end of the main board cabin, a three-axis linkage device and a transmission device are arranged in the motion control cabin, and the battery cabin is arranged below the motion control cabin according to the single-joint water machine fish disclosed by the invention, the special design is adopted for the single-joint water machine fish, the functions of water depth detection, water quality monitoring, underwater photography, underwater exploration, fish school detection, feeding, drug delivery, underwater engineering acceptance and underwater communication, underwater salvage, underwater rescue, seaborne rescue, sea, river, lake bed surveying and mapping, underwater drilling and flaw detection and the like can be realized.

The invention discloses an electrical vehicle battery thermal management system, which comprises a battery pack, wherein a heat exchanger element is closely fit on the outer surface of the battery pack, and comprises a heating device and a micro channel, wherein a heat-eliminating medium flows in the micro channel. The electrical vehicle battery thermal management system saves a fan cooling system, cancels an air inlet, enables the battery pack to form a sealed space, and enables foreign matters, dust and water to enter, thereby guaranteeing higher safety reliability.

The invention provides a zero back suction device for a disposable high-speed turbine dental drill handpiece, which is mounted at two ends of a handpiece head body; at the side where a drill point is mounted on the handpiece head body, the device is composed of an elastic shaft seal cover and a non-elastic shaft seal cover of a center framework of which the center is embedded with a hard substance, and the lip of the elastic shaft seal cover is matched with a rotor shaft of which the end part is conical; at the side of a handpiece head cover of the handpiece head body of the device, an O-shaped seal ring is mounted between a button cover body and a handpiece head cover body, and a ball non-return valve is additionally arranged at the center of the button cover body; and because anti-back suction measures are adopted at two sides of the handpiece head body, the content of back suction substances can be controlled to be very low, namely that an almost zero back suction state is realized.

The invention discloses a wooden door with a pet door. The wooden door comprises a door plate (1). The door plate (1) is fixedly provided with hinges (2) connected with a door frame on the right side or the left side; a door lock (3) and a door handle (3) are arranged on the door plate (1); a pet baffle (5) is hinged to the back of the door plate (1) and covers a through hole (11) which is formed in the middle of the bottom part of the door plate (1); a pet pattern (51) is painted on the front face of the pet baffle (5). The wooden door with the pet door is simple in structure, can be used as an ordinary door, and can also be used as a door for allowing a pet to enter a house unidirectionally, and the safety of the pet and a user is improved.

The invention discloses an elastic damage-free speed hump for vehicles. The speed hump comprises two pressing plates which are connected with a connecting rod mechanism so as to be folded and hunched; two connecting rod groups which are hinged to each other are arranged at the bottoms of the pressing plates; one end of one connecting rod of one connecting rod group is hinged to the corresponding end of one connecting rod of the other connecting rod group through a pin bolt, and the other end of each connecting rod is hinged to a sliding block through a connecting pin; each sliding block slides along a sliding chute formed in a sliding chute base which is fixedly arranged; a compression spring which is connected with the corresponding sliding block is arranged in each sliding chute base. The speed hump disclosed by the invention is simple in structure, and convenient to maintain; under the premise that the road safety is guaranteed, the driving and riding comfort of drivers and passengers can also be achieved; the damage caused by the speed hump to vehicles is reduced; the production cost and the using cost are reduced; the speed hump can be extensively generalized and applied on various roads which need the speed hump.

The invention discloses a method and product for improving microchannel plate soft X-ray-extreme ultraviolet ray imaging performance. The method includes the steps that gaseous aluminium trimethide serves as an aluminum source, gaseous deionized water servers as an oxygen source, high-purity nitrogen serves as carrier gas and cleaning gas, an atom layer deposition system is utilized, and an aluminum oxide film is deposited on a square-hole microchannel plate made of lead-bismuth glass; and solid iridium acetylacetonate serves as an iridium source, metal iridium reduction is conducted with high-purity oxygen as an oxygen source, the high-purity nitrogen serves as the carrier gas and the cleaning gas, the atom layer deposition system is utilized, and the iridium film is deposited. Compared with an untreated microchannel plate, according to an aperture inner wall reflection increasing film of the square-hole microchannel plate manufactured through the method, the iridium serves as the metal reflection increasing film, and reflection efficiency is improved remarkably, so that the light intensity efficiency of the microchannel plate in the soft X-ray-extreme ultraviolet waveband imaging process can be improved effectively. By means of the method, the performance of the square-hole microchanel plate is improved, and application of the microchannel plate in a grazing incidence imaging system such as an X-ray telescope is further promoted.

The invention relates to an infrared temperature measurement device for high-temperature vacuum sintering furnaces, which comprises a baffling barrel, a window flange, a piece of glass, a mounting flange, a supporting plate and a temperature detector, one end of the baffling barrel is sealed to form a sealed end, the other end of the baffling barrel is open, the edge of the window flange is provided with screw holes, the mounting flange, the glass and the window flange are arranged coaxially, moreover, the glass is located between the mounting flange and the window flange, and the mounting flange and the window flange are fixed oppositely in order to fix the glass. The infrared temperature measurement device for high-temperature vacuum sintering furnaces adopted by the invention measures the temperature of the thermal field of a sintering furnace by measuring the temperature of the sealed end surface of the baffling barrel, the arrangement of the sealed end ensures that high-temperature sintering volatile matters cannot enter the baffling barrel, thus ensuring that the transmission path of an infrared ray does not have foreign matters, and thereby the temperature measurement precision of the infrared temperature detector is increased. The invention also provides a high-temperature vacuum sintering furnace.