40results about How to "Smooth penetration" patented technology

The invention provides a preparation method of modified recycled coarse aggregate and recycled concrete, and the preparation method comprises the following steps: carrying out vacuum treatment on the recycled coarse aggregate to obtain pretreated recycled coarse aggregate; the preparation method comprises the following steps: adding a nano modifier and a dispersant into water, and stirring to obtain a nano modifier mixed solution; in a vacuum environment, adding and immersing the pretreated recycled coarse aggregate into a nano modifier mixed solution, starting to soak the recycled coarse aggregate, introducing carbon dioxide for carbonization treatment while soaking, taking out the recycled coarse aggregate after a period of time, and drying the recycled coarse aggregate until the weight of the recycled coarse aggregate is constant to obtain modified recycled coarse aggregate; and finally, preparing the recycled concrete by using a mixed solution of the modified recycled coarse aggregate and the nano modifier soaked with the recycled coarse aggregate. The vacuum pretreatment process, the nano-modification process and the carbonization treatment process are effectively integrated, so that the vacuum pretreatment process, the nano-modification process and the carbonization treatment process are mutually assisted, and the performance of the recycled coarse aggregate is jointly optimized, so that the performance of the recycled concrete is improved.

The pulmonary artery guiding sheath comprises an inner tube and an outer tube, the inner tube is movably arranged in the outer tube in a penetrating mode, an elastic supporting structure is arranged at the front end of the inner tube, and the inner tube and the outer tube can move relatively to drive the elastic supporting structure to be switched between a storage state and a release state relative to the outer tube; when the elastic supporting structure is in the storage state, the elastic supporting structure is stored in the tube cavity of the outer tube; when the elastic supporting structure is in the release state, the elastic supporting structure expands outwards in the radial direction and is matched with the blood vessel wall in a supporting and positioning mode, and the elastic supporting structure in the release state is provided with a gap for blood circulation. The guide sheath has the advantages that the guide sheath has the anti-falling risk, the operation time is saved, the guide sheath is always located in the middle position relative to the pulmonary artery blood vessel so that smooth penetrating and withdrawing of the interventional instrument can be guaranteed, and the situation that the blood vessel wall is broken and damaged in the penetrating and withdrawing process of the interventional instrument is greatly reduced.

The invention belongs to the technical field of biomedical engineering and microfluidics, and particularly discloses a vascularized organ chip and method for large-scale culture, the vascularized organ chip comprises an upper runner layer and a lower culture layer, and the runner layer and the culture layer are fixedly sealed; a liquid storage pipe matched with the flow channel layer is adhered to the upper surface of the flow channel layer; according to the vascularized organ chip, the flow channel layer is used for pouring a culture solution to provide fluid stimulation and nutrients for cells; the three parallel-connected large-scale culture chambers of the culture layer are used for culturing cells, so that blood circulation of a microvascular system in a human body can be simulated, and a microenvironment in tissues can be reproduced more truly; meanwhile, the requirement for culturing a large number of tissue cells through the chip can be met, and the cell yield and the experiment scale can be effectively increased.

The invention discloses a mechanical arm execution end and method capable of automatically straightening an FPC, and belongs to the technical field of mechanical arms, the mechanical arm execution end comprises a power module and a suction nozzle module which are arranged on a base at the tail end of a mechanical arm, and further comprises a clamping jaw module arranged on the base; the power output end of the power module is connected with the suction nozzle module and the clamping jaw module, and the power module is used for driving the suction nozzle module to do lifting motion and driving a left clamping jaw and a right clamping jaw in the clamping jaw module to be opened and close; when the left clamping jaw and the right clamping jaw are close to each other and are in a holding state, the FPC is limited in a gap between the left clamping jaw and the right clamping jaw in the holding state, so that the FPC is straightened by the left clamping jaw and the right clamping jaw when the FPC descends along with the suction nozzle module during material discharging and ascends along with the suction nozzle module during material taking; therefore, the FPC does not deflect in the process of taking and placing the touch key, and the FPC can smoothly penetrate into the through hole without being damaged.

The invention relates to the technical field of building roof greening, and discloses a building roof greening and rainwater recycling irrigation system which comprises a microcontroller, a greening module arranged on a building roof, a rainwater recycling module connected with the greening module and an irrigation module. The microcontroller is electrically connected with the greening module, the rainwater recycling module and the irrigation module; the greening module sequentially comprises a water collecting layer, a filtering layer, a protective layer, a pervious concrete layer, a nutrient soil layer and a vegetation layer from bottom to top. The rainwater recycling module comprises a water pumping pipe arranged at the top of the side wall of the water collecting layer and a rainwater recycling box connected with the water pumping pipe; the rainwater recycling box comprises a first filter box, a second filter box, a disinfection box and a clear water box which are sequentially arranged from top to bottom; the irrigation module comprises a first water suction pump connected with the clear water tank, a water outlet pipe connected with the first water suction pump, a water conveying pipe connected with the water outlet pipe, a drip irrigation pipe connected with the water conveying pipe and a water dropper. By means of the system, maximum utilization of rainwater resources and continuous improvement of the ecological environment are achieved.

The utility model provides a kind of perforation guiding device, comprising: guiding mechanism, adsorption mechanism, lifting mechanism and moving mechanism;Guiding mechanism is located above second workpiece, and is equipped with guide slot;Adsorption mechanism is located above guiding mechanism, for adsorbing first workpiece;Lifting mechanism is used to drive adsorption mechanism to perform lifting action, to make first workpiece enter guide slot and through-hole;Moving mechanism is used to drive guiding mechanism to move, to make guide slot directly opposite through-hole, or make guiding mechanism avoid adsorption mechanism to descend.This utility model adsorbs first workpiece by adsorption mechanism, and provides accurate moving path for first workpiece by guide slot, so that first workpiece can accurately enter through-hole;By setting moving mechanism, guiding mechanism can be driven to exit above second workpiece after adsorption mechanism moves close to guiding mechanism and first workpiece enters through-hole, avoid interference between mechanisms, so that first workpiece obtains greater descending stroke to enter through-hole smoothly.

The invention provides a gas stove shell and a gas stove, and belongs to the technical field of gas stoves, the gas stove shell comprises two sets of main body shells, the two sets of main body shells are transversely and sequentially arranged and symmetrically distributed, the two sets of main body shells are rotatably connected through multiple sets of hinges to form a covering structure, and multiple sets of locking assemblies are further arranged above the two sets of main body shells; a bottom plate is arranged below the main body shell, the bottom plate and the main body shell are connected to form a main body cavity, a main body through groove is formed in the main body shell, and a mounting plate is arranged in the main body cavity, connected with the main body shell and located at the bottom of the main body through groove; a key hole is formed in one side of the main body shell, a connecting hole is formed in the other side of the main body shell, and a mounting box is arranged in the main body shell. According to the device, the combustors are installed on the main body shells, the two main body shells are rotationally connected through the multiple hinges to form a covering structure, the device can be unfolded and folded for use, a user can select one or two combustors according to use requirements, and the adaptability of the gas stove to different use requirements is enhanced.

The invention discloses an intelligent agricultural precise irrigation method, and belongs to the technical field of intelligent agriculture. The invention discloses an intelligent agricultural precise irrigation method. The method comprises the following steps: S1, obtaining a variety corresponding to a target crop in an irrigation area; s2, according to the target variety, obtaining any one of a sowing period, a seedling period, a growth period and a mature period corresponding to the target crop; s3, monitoring the land humidity and the meteorological weather by using a sensor assembly; s4, according to the growth cycle corresponding to the target crop, the land humidity and the meteorological weather, preset irrigation amount is carried out on the target crop; s5, the target crops are precisely irrigated according to the preset irrigation water amount through the irrigation equipment; according to the invention, crops inside and outside the soil can be effectively irrigated, water resources are efficiently utilized, and waste of the water resources is avoided.

This invention relates to the field of AC power transmission technology, and discloses an end-sealing assembly and method for insulating bushings used in ultra-high voltage AC power transmission. The assembly includes a mounting block, on which two double-slide linear drive modules are fixedly mounted. Two heat shrink tubing opening components and two heat drying components are respectively mounted on the two double-slide linear drive modules. The heat shrink tubing opening component includes a first hot air blower, and two first strip-shaped shape memory alloy tubes that can open and close vertically are mounted on the side of the first hot air blower. The heat drying component includes a swing mechanism, on which a second strip-shaped shape memory alloy tube is mounted. This invention solves the problems of uneven heating and subsequent uneven shrinkage of heat shrink tubing in traditional AC power transmission insulating bushings due to limited hot air coverage and poor operational stability during heating.

The utility model discloses a bottle body outside quick water removing device belongs to bottle body water removing device technical field, including base, telescopic mechanism, telescopic mechanism installs on base, water removing mechanism, water removing mechanism includes the mounting plate fixedly connected on the output of telescopic mechanism, the cantilever end of mounting plate is opened and is equipped with the water removing mouth through, the top of mounting plate department at water removing mouth is equipped with annular air knife, and its bottom fixedly connected with connecting frame, in the utility model, annular air knife can form annular uniform air curtain, and the water on bottle body outside is removed fast, and the accurate absorption of residual moisture on the bottom of bottle body is matched with water absorption sponge, realizes all -round dead angle water removing, and single water removing efficiency is much higher than natural air drying and traditional wiping mode, with the help of electric telescopic link, controller can switch water removing and regeneration mode flexibly, efficient water absorption when daily water removing, and then complete regeneration through extrusion after water absorption sponge saturation, and water absorption sponge does not need to change frequently.

The invention discloses a suction pile type multi-wellhead base plate suitable for a deep water shallow soft stratum. The suction pile type multi-wellhead base plate comprises a truss structure, at least two suction piles, at least two center pipes and at least two spraying devices. The truss structure is connected to the tops of the at least two suction piles; the central pipe is inserted into the suction pile and is used for guiding in a guide pipe; the spraying device comprises a water sprayer and a porous water pipe which are connected; the water sprayer is arranged on the side, close to the center of the truss structure, of the top of the suction pile. The porous water pipes are distributed on the outer side walls of the suction piles; according to the suction pile type multi-wellhead base plate, two or two suction piles are combined to serve as the wellhead base plate, so that the bearing capacity of the wellheads is improved, dangers such as sinking of the wellheads are effectively prevented, the space in the suction piles is effectively utilized, the problem that the number of wellhead grooves is limited is solved, the cost of drilling engineering is reduced, and economic benefits are improved; and by arranging the spraying device, soil blockage between two or more suction piles is effectively prevented.

The application relates to the technical field of batteries, and discloses a pole piece, a battery cell and a battery. The pole piece comprises a current collector, a first active material layer and a second active material layer. In the thickness direction, the current collector comprises opposite first and second sides. The second side comprises a first empty foil area and a second empty foil area. In the length direction of the current collector, the first empty foil area and the second empty foil area are arranged in sequence, and the second empty foil area is arranged at one end of the second side. The first active material layer is coated on the first side. The second active material layer is coated on the first empty foil area. A liquid retention coating is coated on the second empty foil area. The battery cell comprises a separator, a positive pole piece and a negative pole piece. At least one of the positive pole piece and the negative pole piece adopts the pole piece. The separator is arranged between the positive pole piece and the negative pole piece. The battery comprises an aluminum plastic film and the battery cell. The pole piece, the battery cell and the battery can improve the liquid retention amount of the battery, thereby improving the cycle performance of the battery.

The present application belongs to the technical field of coal mine broken coal and rock mass grouting reinforcement, and particularly relates to a mine double-order grouting material system based on an opposite charge interface directional mineralization, which comprises an interface activation precursor liquid A and a micro-nano inorganic main grout liquid B that are independently packed and injected in sequence when used; the interface activation precursor liquid A is composed of a cationic inorganic nano sol and water, the cationic inorganic nano sol is at least one of boehmite sol and aluminum oxide sol, and the zeta potential of the interface activation precursor liquid A is +15mV to +50mV at 20 DEG C and an actual construction concentration; the micro-nano inorganic main grout liquid B is composed of superfine cement, active mineral admixture, anionic silica sol, inorganic dispersant and water, and the zeta potential of the micro-nano inorganic main grout liquid B is -10mV to -45mV at 20 DEG C and an actual construction concentration; the interface activation precursor liquid A is injected first during construction, so that it is adsorbed on the coal and rock fissure wall to form a positive electric interface activation layer, and then the micro-nano inorganic main grout liquid B is injected, and aggregation and solidification occur at the positive electric interface activation layer.

The application discloses a kind of double-fan sintering machine group single-fan operation thick material layer sintering device and method, belong to metallurgical sintering technical field.The technical scheme of the present application mainly includes: first isolation stops fan and adjusts valve baffle to complete flue gas flow balance, optimizes raw material ratio and moisture to reduce material layer resistance, adopts double-layer loose material to improve ventilation condition, time-sharing period dynamic adjustment fan air pressure adapts sintering process, combined with whole system air leakage control and sintering endpoint linkage regulation and control, without modifying main equipment can realize 800-920mm thick material layer stable sintering.The present application solves the problem of insufficient air volume, uneven airflow distribution, uneven thick material layer sintering, large operating condition fluctuation and high energy consumption when the double-fan sintering machine group operates with single fan, can improve the quality of sintered ore, reduce production energy consumption, and ensure continuous operation of production line during equipment maintenance and fault period.

The utility model belongs to the technical field of breast duct endoscope assistance, and particularly relates to an auxiliary device for breast duct endoscope examination. A first fixing block is fixed to the right end of the central tube, the central tube is sleeved with an expansion tube, a second fixing block is fixed to the right end of the expansion tube, the expansion tube is sleeved with a sheath tube, a fixing plate is fixed to the right end of the sheath tube, and a fixing assembly for fixing the fixing plate to a nipple is arranged at the left end of the fixing plate. According to the utility model, the central tube, the expansion tube and the sheathing canal are sequentially sleeved together, the central tube is inserted into a breast hole, the expansion tube and the sheathing canal are used for expanding the breast hole in sequence, then the central tube and the expansion tube are drawn out, and the sheathing canal is retained in the breast hole under the action of the fixing component, so that a channel is provided for the breast duct endoscope, and the breast duct endoscope can smoothly penetrate into the breast hole; compared with a traditional method of replacing the lacrimal passage probe for multiple times, the lacrimal passage probe has the advantages that the step of repeatedly searching the lacrimal hole is avoided, and the operation efficiency and safety are improved.

The utility model relates to melt -blown cloth water pole -electrode device technical field, the utility model provides a kind of low resistance high -efficient melt -blown water pole -electrode device, including fixed frame, further include support stick, second support plate, winding frame, pole -electrode mechanism and collection mechanism, the top side of fixed frame is provided with two support sticks, both ends of support stick are rotatably provided with first support plate, first support plate is fixedly connected with fixed frame, the side wall of fixed frame is fixedly provided with two second support plates, and guiding roller is rotatably arranged between second support plate, both sides of fixed frame are provided with winding frame, winding roller is rotatably arranged in winding frame, one winding frame is installed with first motor, and the output end of first motor is fixedly connected with similar winding roller, by the above technical scheme, for solving the technical problem of greater resistance in the process that water flow passes through melt -blown cloth in prior art.

The invention relates to the technical field of body armor, and discloses an outer protective layer. The auxetic structural layer comprises an upper functional layer, a middle functional layer and a lower functional layer from outside to inside, a plurality of polygonal concave buffer grooves distributed at equal intervals are formed in the auxetic structural layer, and the buffer grooves of the auxetic structural layer are filled with shear thickening liquid; when the body armor is impacted by external force, the groove wall fiber network of the multilateral concave buffer groove buffers the external impact force through stretching deformation, the shear thickening liquid is thickened, and the fiber network around the damage bearing part of the body armor is locked to form a local rigid supporting area; the inner protective layer and the auxetic structure layer are located between the outer protective layer and the inner protective layer, the beneficial effects of being excellent in synergistic protective performance, uniform in impact energy dispersion and capable of assisting nursing are achieved, and the problems that a traditional body armor is limited in energy absorption efficiency, blunt injuries are easily caused by impact stress concentration, and the service life is long are solved. The auxiliary nursing function of the injured part is lacked, and primary treatment cannot be carried out on the wound in time.

The invention discloses a preparation method of high-strength pervious concrete. The method comprises the following steps: S1, preparing materials; s2, stirring; s3, pouring is conducted; s4, vibrating and tamping; s5, rolling is conducted; and S6, trowelling and curing are conducted, specifically, trowelling treatment is conducted on the surface of the rolled concrete, and then a plastic film or color strip cloth is used for covering the road surface and the side face for moisturizing curing. The compressive strength and the wear resistance of the concrete are remarkably improved, so that the concrete can still keep stable structural performance and long service life under the condition of bearing high traffic load or severe environment, and the maintenance and replacement cost is reduced. The high strength is maintained, meanwhile, the water permeability of the water-permeable concrete is not sacrificed, a pore structure is formed in the concrete through the anti-crack polypropylene material, and it is ensured that water can rapidly and smoothly permeate into the ground.

The utility model discloses a kind of guiding cylinder quick installation device, including base, base is fixed with quick clamping device, flange attachment device and quick positioning device, quick positioning device includes support rod, positioning rod, moving seat, stud and V block, support rod is fixedly connected with base and is slidably connected with moving seat, stud is connected with moving seat by thread and is contact connection with support rod, V block is fixedly connected with base and there is gap with positioning rod, flange attachment device includes first clamping plate, second clamping plate, adjusting column and knob, adjusting column is fixedly connected with knob and is connected with V block by thread, first clamping plate and second clamping plate are respectively located V block both sides and are all connected with adjusting column by thread, first clamping plate and second clamping plate are all with gap with positioning rod, the utility model solves the problem of traditional guiding cylinder quick installation device in guiding cylinder clamping quickness, flange face attachment compactness and guiding cylinder positioning quickness.

The invention relates to the technical field of potato disease control, in particular to soil agent treatment equipment and method for potato disease control. The soil agent treatment equipment comprises a connecting frame, an electric telescopic walking frame is arranged on the connecting frame, and a shear type telescopic frame is arranged at the bottom of the connecting frame; the left end and the right end of the shear-type telescopic frame are connected to the left side and the right side of the electric telescopic walking frame respectively, the bottom of the connecting frame and the left side and the right side of the shear-type telescopic frame are connected with mounting frames, atomizing nozzles for spraying liquid towards the periphery are mounted on the front lower sides of the mounting frames, and shielding mechanisms for shielding plants are arranged on the mounting frames. By adjusting the positions of every two adjacent atomization nozzles, it is ensured that the atomization nozzles are aligned with the gullies, the effect that the spraying range can be adjusted according to the width of the gullies is achieved, it is ensured that the atomization nozzles accurately spray agents to soil, waste of the agents is reduced, and cost is reduced; through cooperation of a shielding belt and a banister brush, the plants can be effectively shielded, and the situation that the plants are damaged due to the fact that the pesticide is sprayed to the plants is avoided.

The utility model discloses a modified permeable and pollutant-removing pavement structure suitable for a transformer substation, which comprises a soil base layer, a secondary filter layer, a primary filter layer, geotechnical cloth, a leveling layer and a modified permeable concrete pavement surface layer which are sequentially arranged from bottom to top, the modified pervious concrete pavement surface layer is formed by pouring modified pervious concrete, an anti-crack fiber net is arranged at the top of the modified pervious concrete pavement surface layer, meanwhile, expansion joints are arranged at certain intervals in the length direction, and the expansion joints are filled with neutral weather-proof silicone to form a buffer layer; the leveling layer adopts medium-coarse sand with the particle size of 4-8 mm, the primary filter layer adopts a graded recycled aggregate cushion layer with the particle size of 10-15 mm, the secondary filter layer adopts a graded recycled graded broken stone cushion layer with the particle size of 25-30 mm, the soil base layer is formed by compacting undisturbed soil, and the compaction coefficient is not smaller than 0.95. The road is excellent in water permeability, can intercept pollutants in rainwater, and is suitable for being used as an operation and maintenance road of a transformer substation.

The invention relates to the technical field of heart valve prosthesis implantation instruments, in particular to a valve conveying device and a valve conveying system. The valve conveying device is used for conveying heart valves and comprises a guide part, a valve conveying part and a valve conveying part, and a plurality of penetrating parts are arranged on the side wall of the guide part; and the flexible locking piece extends along the inner cavity of the guide piece, and after penetrating out of the guide piece from one penetrating part, the flexible locking piece penetrates back into the guide piece from the other penetrating part and then penetrates through the matching piece. According to the valve conveying device, the flexible locking piece penetrates through the matching piece on the matching structure to lock the matching structure, stable locking can be kept all the time in the moving process, locking of the flexible locking piece and the matching piece cannot be relieved before the flexible locking piece is pulled, the stability of the valve conveying device in the using process can be improved, and the valve conveying device is convenient to use. And the heart valve stent is prevented from falling off in advance.

The invention relates to the technical field of spinal internal pressure monitoring, and discloses a spinal canal internal pressure monitoring system, and each spinal internal pressure monitor comprises a rear cover, a front cover, a bottom cover, a sensor cable and a pressure sensor probe. The whole monitoring data processing process is simple, the monitoring accuracy is high, the fidelity with the measurement result of the hydraulic in-vitro sensor reaches 98%, the flexible nylon pipe has good bending ductility, a low-incisura subcutaneous tunnel can be established, and the safety of the subcutaneous tunnel is improved. The water-borne epoxy resin on the outer wall of the flexible nylon pipe enables a uniform liquid film to be formed between the sensor cable and subcutaneous tissue liquid, it is guaranteed that the sensor cable smoothly penetrates into a subcutaneous tunnel, and the flow velocity difference of the tissue liquid exists between a wave groove in one side of the water-borne epoxy resin and a smooth layer in the other side of the water-borne epoxy resin. The smooth layer of the water-borne epoxy resin can be tightly attached to the subcutaneous tissue through the Bernoulli principle, the possibility that a sensor cable abuts against the skin to form bubbles is reduced, and the monitoring accuracy is further improved.

This utility model relates to the field of rotary kiln waste heat recovery technology, and discloses a rotary kiln waste heat recovery device, including: a kiln body and a rotary cylinder. The rotary cylinder is rotatably mounted inside the kiln body. A high-temperature waste gas outlet pipe is provided at the top of one end of the kiln body. A dust removal filter cylinder is provided at one end of the high-temperature waste gas outlet pipe. Waste heat waste gas guide pipes are provided on both sides of one end of the dust removal filter cylinder. One end of the waste heat waste gas guide pipe is connected to both sides of the kiln body. This utility model sets the introduction point of high-temperature flue gas on the side of the kiln, utilizing the characteristic that the density of high-temperature flue gas is less than that of air, promoting the smooth penetration of heat flow from bottom to top under the action of density difference, forming a stable and effective heat convection. This design ensures that the rotary cylinder of the kiln is uniformly heated within a 360° range, without any heating blind spots, guaranteeing the evenness of heating of the cylinder.

This invention discloses a nano-modified composite grouting material suitable for deep, high-temperature geothermal environments and its preparation method, belonging to the field of geotechnical engineering technology. The raw materials for preparing this composite material include: cement, fly ash, cellulose nanofibers, Pluronic F-127 dispersant, calcium formate, tannic acid, borax, defoamer, and water; wherein the mass ratio of tannic acid, calcium formate, and borax is (0.15-0.25):(1.1-1.4):(0.1-0.2). This invention, through the compounding of specific admixtures, effectively overcomes the defects of traditional grouting materials, such as rapid setting at high temperatures and poor rheological properties. The resulting composite material exhibits low viscosity, long pumpability, and high early strength in high-temperature environments, significantly improving the reinforcement effect on deep, high-temperature rock masses and providing a high-performance, high-reliability grouting solution for deep underground engineering.

The invention discloses cloth dyeing equipment and a control process thereof, and relates to the field of cloth dyeing and finishing, the technical scheme is that the cloth dyeing equipment comprises a supporting module and a dyeing module, the supporting module comprises a rack, a recovery cavity is formed in the rack, a liquid outlet communicated with the recovery cavity is formed in the side wall of the rack, and a supporting plate is arranged on the top surface of the rack; the dyeing module comprises a shell located above the rack, a liquid inlet is formed in the side wall of the shell, a booster pump communicated with the liquid inlet is arranged on the shell, a plurality of spray heads are fixedly connected to the bottom face of the shell, the booster pump is communicated with the spray heads, and the spray heads correspond to the through holes. The booster pump pressurizes dye liquor entering the shell, it is guaranteed that the dye liquor flowing out of the spray head can smoothly permeate cloth, the dyeing effect of the cloth is guaranteed, the dye liquor can completely permeate the cloth below the spray head in a pressurization mode, the amount of the blended and used dye liquor is reduced, and waste of the dye liquor is avoided.

The invention relates to an adjustable composite material butterfly pin structure water permeable brick and a construction method, and belongs to the technical field of municipal engineering and landscape pavement. Comprising a water permeable brick body and an adjustable butterfly pin used for being connected with the water permeable brick body. The water permeable brick body is made of composite materials, butterfly-shaped caulking grooves are formed in the lower middle portions of the four walls of the water permeable brick body, sawtooth-shaped anti-skid lines are arranged on the inner walls of the butterfly-shaped caulking grooves, and the cross sections of the butterfly-shaped caulking grooves are in a symmetrical girdling shape so that adjustable butterfly pins can be embedded and positioned conveniently. The adjustable butterfly pin is in an X shape and comprises a fixed section in the middle, telescopic sections on the two sides and elastic pre-tightening assemblies arranged on the telescopic sections, a plurality of vertical openings are formed in the front side wall and the rear side wall of the fixed section, elastic barbs are arranged on the outer walls of the roots of the telescopic sections, and the positions of the elastic barbs clamped into the vertical openings can be adjusted according to the requirement for the actual brick joint width. Therefore, the telescopic distance of the adjustable butterfly pin is adjusted. The problems of water seepage, paving stability, attractiveness and brick joint adjustability can be effectively solved.

The utility model relates to the technical field of slope protection, and discloses an ecological concrete slope protection structure which comprises a soil slope, an inverted filter layer is arranged on the top face of the soil slope, a vegetation induction layer is arranged on the top face of the inverted filter layer, a water retention and moisture preservation layer is arranged on the top face of the vegetation induction layer, and a biological inhabitation cave layer is arranged on the top face of the water retention and moisture preservation layer. A nutrition slow release layer is arranged on the top face of the biological inhabitation cave layer, anchor rods are fixedly connected to the outer wall of the soil slope, a first wedging block is fixedly connected to the bottom of the outer wall of the concrete block, a groove is formed in the top face of the first wedging block, and a second wedging block is fixedly connected to the top of the outer wall of the concrete block. According to the utility model, fine particles are prevented from being washed away by rainwater through the inverted filter layer, plant root systems are guided by the vegetation induction layer to grow directionally, additional protection and nutrients are provided for the early stage of seed germination, and the water retention and moisture preservation layer absorbs and stores moisture to ensure the growth of vegetation, so that the survival rate of the vegetation is greatly improved.

This utility model belongs to the field of medical device technology, and particularly relates to a combination cap for infusion containers; it includes an outer cap, an inner cap, and a gasket disposed between the outer and inner caps; the outer cap is stepped, with multiple sealing valves at its top; the cavity formed by the combination of the outer and inner caps contains several liquid channels, and the gasket is disposed within the liquid channels; the gasket is pressed tightly into the liquid channels by the inner cap; a fixing mechanism is disposed on the outer cap to fix the infusion tubing and prevent it from shaking during use; an anti-shaking mechanism, through a locking mechanism, prevents unnecessary shaking of the infusion tubing during infusion, thereby maintaining a sealing effect. This utility model provides a combination cap for infusion containers that improves sealing performance and prevents loosening of the interface due to shaking of the infusion tubing.

The utility model provides a kind of automobile plastic front fender mounting detection device, belong to automobile mounting detection tool structure field.The device is through the structural design of plate body, compression block, side edge clamp, detection hole and detection pin, solve the problem of unstable installation precision and low detection efficiency of plastic front fender in the installation in prior art.The device is used to install plastic front fender on automobile body, and the position of the mounting hole of plastic front fender is detected, including plate body, compression block, detection hole and detection pin;The compression block is fixedly connected to the inner surface of plate body, there are multiple and interval arrangement, and the compression block of different positions can be tightly matched with plastic front fender;The detection hole is arranged on the side edge clamp of plate body, at least three and not on a straight line;Different detection holes correspond to different mounting holes on plastic front fender respectively;The detection pin passes through detection hole, mounting hole on plastic front fender and mounting hole on automobile body in turn.