672results about How to "Protective structure" patented technology

The invention relates to oral liquid for tonifying kidney and bone and a preparation method thereof, and belongs to the technical field of medicine, the oral liquid contains rhizoma drynariae, polygonum multiflorum, poria cocos, teasel root, radix paeoniae alba, angelica sinensis, codonopsis pilosula, prepared rehmannia root, polygonatum kingianum, fructus lycii, native copper and pericarpium citri reticulatae; the rhizoma drynariae is a product obtained by performing enzymolysis on a whole rhizoma drynariae plant through hemicellulase and pectinase, performing enzymolysis through bromelain and papain and performing enzymolysis through nattokinase; polygonum multiflorum is a product obtained by carrying out enzymolysis on Polygonum multiflorum tuberous roots through hemicellulase and pectinase, then carrying out enzymolysis through bromelain and papain and then carrying out enzymolysis through gelatinase. Polygonatum sibiricum is a product obtained by performing enzymolysis on rhizome of Polygonatum sibiricum through hemicellulase and pectinase, performing enzymolysis through bromelain and papain, and performing fermentation through bacillus licheniformis and saccharomyces boulardii. All the active components are matched for use, kidney function metabolism can be well enhanced, bone mineral density is increased, the treatment course is short, the effect taking speed is high, safety and reliability are achieved, and medication compliance is effectively improved.

The invention relates to the technical field of laser cutting, in particular to intelligent cutting equipment for aluminum alloy pipes, which comprises a machine table, a laser cutting head is arranged on the machine table through a lead screw transmission system, and a chuck for fixing the pipes is arranged on the machine table. The intelligent cutting equipment for the aluminum alloy pipe further comprises an in-pipe buffering mechanism, the in-pipe buffering mechanism comprises a bearing unit arranged in the pipe, a first supporting unit is arranged on the side, facing the chuck, of the bearing unit, a second supporting unit is arranged on the other side of the bearing unit, and a maintaining unit is arranged at the position, corresponding to the bearing unit, of the machine table. Through the high precision and high speed of the laser cutting technology and the ingenious design of the buffer mechanism in the pipe, the problem that slag adheres to the interior of the pipe to form adhering slag is effectively avoided, so that the cutting quality and the product percent of pass are improved, meanwhile, the automation degree and the intelligence degree of the equipment are high, manual intervention is reduced, and the cutting efficiency is remarkably improved.

The utility model provides a CCS assembly and a battery module. The CCS assembly comprises a bracket, a first electrode and a second electrode, the electric connecting pieces are arranged on the support, the electric connecting pieces comprise a first electric connecting piece and a plurality of second electric connecting pieces, the second electric connecting pieces are arranged on the first side of the first electric connecting piece and / or the second side of the first electric connecting piece at intervals in the second direction, and the second electric connecting pieces and the first electric connecting piece are arranged in an angle mode; and the avoiding part is arranged on the support, and the avoiding part and at least part of the second electric connecting piece are arranged in an aligned mode in the third direction. By applying the technical scheme of the utility model, the technical problem that wire harnesses such as an FFC are easy to damage can be improved.

A multi-stage anti-impact energy absorption structure of a hydraulic column solves the problems of the existing anti-impact energy absorption mechanism of the hydraulic column, such as complex buffer structure, large space occupation, high manufacturing cost, limited impact energy that can be absorbed, inability to meet use requirements, large later maintenance workload, high maintenance cost, and long operation cycle for restoring tunnel support. It includes a multi-stage shear pressure column, characterized in that: a buffer energy absorption sleeve is provided at the lower part of the multi-stage shear pressure column, and the upper end opening of the inner cavity of the buffer energy absorption sleeve is plugged into the lower end of the multi-stage shear pressure column; a multi-stage anti-impact shear plate is fixedly provided in the inner cavity of the buffer energy absorption sleeve, and the multi-stage anti-impact shear plate is located below the multi-stage shear pressure column. It has a reasonable design and a compact structure, can realize multi-stage energy absorption buffering, can effectively absorb a large amount of impact energy, protect the structure of the hydraulic column, has good safety, is convenient for later maintenance, has a low production cost, and is flexible and reliable to use.

The invention discloses a low-smoke-density high-temperature-resistant halogen-free special flame-retardant optical cable, which comprises a cable core, an inner sheath and a fireproof layer from inside to outside, and is characterized in that the fireproof layer comprises a fireproof layer made of a ceramic silicone rubber material; the cable core comprises optical fibers, a loose tube, a reinforcing piece and an internal flame-retardant thermal insulation layer, the reinforcing piece is located in the center of the cable core, the optical fibers are arranged in the loose tube to form an optical fiber unit and surround the reinforcing piece, the internal flame-retardant thermal insulation layer comprises water-blocking yarn and a calcined mica tape, and the space between the optical fiber unit and the reinforcing piece is filled with the water-blocking yarn. And the optical fiber units, the reinforcers and the water-blocking yarns are wound by the calcined mica tape in a multi-layer and multi-pitch manner. According to the invention, the ceramic silicone rubber material is adopted and is ceramized in a flame state or at a high temperature of more than 500 DEG C to form an oxygen barrier layer, so that a flashover phenomenon in the cable is prevented; ointment is removed from the structure, and the water-blocking yarn and the calcined mica tape are used for blocking water, so that smoke in the combustion process is reduced, and the harm to personnel is less under the condition of fire hazard.

The invention discloses an exposed polymer cement waterproof coating with a permeable crystallization function and a preparation method thereof. The waterproof coating comprises a component A and a component B, the component A comprises acrylic polymer emulsion, fluorocarbon emulsion, methyl silicic acid, soluble inorganic silicate and other auxiliaries; and the component B comprises cement, a filler, a geopolymer, a nanoscale silicon-containing compound, cellulose ether and an optional pigment. The waterproof coating disclosed by the invention has the functions of repairing structural cracks by permeable crystallization in the structure and enhancing the waterproof function of the structure; the high-elasticity and high-strength coating film outside the structure has an external waterproof effect, and the structure is protected; and meanwhile, the comprehensive long-acting waterproof effect is achieved through the self-repairing function when the coating film is broken. The LED lamp has exposure performance, and is particularly suitable for maintenance engineering needing to be exposed and repaired.

The invention relates to the technical field of shipbuilding, and discloses a marine methanol fuel storage tank with a liquid sloshing inhibiting function, which comprises a support frame, a fuel storage tank body is arranged at the top of the support frame, an observation window is arranged at the top of the fuel storage tank body, and a discharge port is formed in one side of the fuel storage tank body. A climbing ladder is arranged on one side of the fuel storage tank body, an arch-shaped plate is arranged at the bottom of the inner wall of the fuel storage tank body and is of an arch-shaped structure, multiple sets of circulation holes are formed in the surface of the arch-shaped plate, and a buffering assembly is arranged at the top of the arch-shaped plate. A hedging assembly is arranged on the inner wall of the fuel storage tank body. The buffer assembly is used for reducing the oscillation degree of liquid in the fuel storage tank body; the hedging assembly is used for counteracting the shaking amplitude of liquid in the fuel storage tank body. Compared with the prior art, the shaking strength of part of methanol liquid can be actively counteracted, and the collision strength of the methanol liquid to the inner wall of the fuel storage tank body is effectively reduced.

The invention relates to the related technical field of high-voltage wires, in particular to a high-voltage connecting wire with a fixed shape and a shielding function, which comprises a metal conductor, and a supporting mechanism is arranged on the outer side surface of a sheath. According to the high-voltage connecting wire with the fixed shape and the shielding function, through the arrangement of the supporting mechanism, during installation, the first supporting block and the second supporting block are close to each other from the two sides of the sheath, the clamping blocks are pushed into the clamping grooves, the fixing blocks are extruded to push the limiting plates to compress the telescopic springs, and after the clamping blocks enter completely, the fixing blocks pop out under the action of the springs and are inserted into the fixing holes; the supporting blocks surround the sheath to provide stable support for the wire, and when the wire is subjected to external force, the supporting mechanism protects the internal wire structure, prevents deformation and damage, improves the use flexibility and tightly cooperates with the supporting blocks to provide rigid support and ensure that the shape of the wire is fixed by means of structural strength and elastic buffering. And the installation and use reliability is improved.

The invention relates to the technical field of unit type curtain walls, and discloses an open type unit curtain wall system which comprises a unit steel beam installed on a wall surface, a unit curtain wall body is arranged in the unit steel beam, and the upper inner wall and the lower inner wall of the unit steel beam are each provided with a containing groove which is symmetrically formed; through the arrangement of the first sliding groove and the third telescopic rod piece, the first sliding groove provides accurate guiding for the curtain wall body, it is ensured that the unit curtain wall body rapidly and accurately reaches the preset position, the installation efficiency is improved, and through the combination of the arrangement of the second sliding groove and the first telescopic rod piece, hidden fixing of the unit curtain wall body is achieved; the fixing mode not only ensures the stability of the curtain wall body, but also reduces the exposure of the connecting piece through the hidden design, so that the whole curtain wall system is more attractive, the hidden installation not only improves the overall visual effect of a building, but also effectively reduces the direct action of external factors on the connecting piece, protects the structure to a certain extent, and is suitable for popularization and application. And the service life is prolonged.

The utility model relates to the technical field of injection molds, in particular to an automatic labeling device in an injection mold, which comprises a movable mold group and a fixed mold group, cavities are arranged on the front surface of the fixed mold group at equal intervals in an array manner, a joint is fixedly connected to the outer side of the fixed mold group, and the inner side of the joint extends into the fixed mold group. A negative pressure pipe is fixedly connected to the inner side of the connector, a connecting pipe is fixedly connected to the negative pressure pipe, a plurality of inclined rods are fixedly connected to one end of the connecting pipe, and a plurality of adsorption heads are fixedly connected to the inner sides of the inclined rods at equal intervals. According to the utility model, the plurality of adsorption heads surround the outer periphery of the cavity and are communicated with the cavity, so that uniform and stable adsorption force can be obtained in the adsorption process of the in-film pasting, the problem of film pasting displacement or poor pasting caused by non-uniform adsorption is effectively avoided, the positioning precision of the in-film pasting is improved, and the production efficiency is improved. And the stability and the reliability of the film pasting process are greatly enhanced.

The invention relates to a springback-reducing sprayed concrete admixture suitable for alpine and low temperature and application of the springback-reducing sprayed concrete admixture. The springback-reducing sprayed concrete admixture comprises the following components: 50-80 parts of a water reducing agent; 5 to 30 parts of a graphene oxide-nano chitin copolymer; 400 to 500 parts of a nano active component; 20-40 parts of an auxiliary material; and 300 to 450 parts of water. Nano chitin (ChNF) prepared by a TEMPO method is subjected to silanization modification and then is grafted with graphene oxide to obtain GO-ChNF. In the concrete, the graphene oxide, the nano chitin and the nano active component are compounded in proportion, a two-dimensional lamellar structure of GO and the nano chitin can be bridged between hydration products and cooperate with auxiliary materials to achieve a lubricating effect, the flowing working performance of the sprayed concrete is improved while the bonding performance is not lost, spraying construction is smooth, pipe blockage is avoided, and the service life of the sprayed concrete is prolonged. The construction efficiency is improved and the cost is reduced. The copolymer can reduce the porosity in the concrete by 15-20%, and can form a barrier layer on a concrete interface, thereby effectively preventing harmful substances such as moisture, chloride ions and the like from invading, protecting the internal structure of the concrete and improving the durability of a support system.

The utility model discloses a lithium battery module with a fire extinguishing self-protection function, and belongs to the technical field of modular batteries. The lithium battery module with the fire extinguishing and self-protection functions comprises a battery cell support, lithium battery cells are installed in the battery cell support, the battery cell support comprises a plurality of fire extinguishing units made of plastic, the four fire extinguishing units define a second battery jar used for wrapping the lithium battery cells, the lithium battery cells and the fire extinguishing units are arranged in a staggered mode, and the fire extinguishing units are arranged in the second battery jar. The fire extinguishing unit comprises a shell, an alkaline agent cavity is formed in the shell, and the alkaline agent cavity is filled with sodium bicarbonate powder; the battery module has the advantages that the battery cells in the battery module can be conveniently protected, and the fire extinguishing reaction time is short and the speed is high.

The invention provides an electric power data transaction risk discovery method, system and device and a medium, and the method comprises the steps: recognizing key nodes in an electric power data traffic panoramic view based on the connectivity of the electric power data traffic panoramic view formed by electric power data traffic through employing a heuristic algorithm based on iteration tabu search; key nodes are monitored, and abnormal data nodes are found by comparing changes of the key nodes; according to the method, through connectivity analysis of the panoramic view of the power data traffic, key nodes in a service link are identified, protection key points are defined, a data transaction source can be quickly and accurately traced when data transaction occurs, and through implementation of the method, the data security can be improved, and the security of the power data traffic is improved. The structure and the function of a service active link are protected, the serious influence of leakage of sensitive data on the service is prevented, and the problems that a panoramic view angle is lacked and a data transaction node is difficult to discover in the existing data transaction tracing process are solved.

The invention relates to the technical field of agricultural mechanization, and discloses a variable-variable and variable-width fertilizer spreader, which comprises: a cabinet, the bottom of which is provided with a crawler belt for moving the device; the collecting mechanism is mounted in the cabinet and used for releasing and collecting the rope for moving; the fixing mechanisms are mounted on the two sides of the cabinet and used for fixing the position of the cabinet; the fertilizer spreading mechanism is mounted on one side of the cabinet and is used for spreading a fertilizer; the stirring mechanism is mounted in the fertilizer spreading mechanism and is used for mixing the fertilizer; the bundling mechanism comprises a rope winding disc, and the rope winding disc rotates in the machine cabinet. The moving path and stability of the equipment are controlled through the rope conveying mechanism, the phenomenon of uneven fertilization caused by equipment displacement is avoided, the system design not only protects the soil structure, but also provides a good growth environment for crops, promotes development of root systems and effective absorption of nutrients, and finally facilitates improvement of the yield and quality of the crops.

The invention relates to the field of building materials, in particular to a template-free multi-layer composite structure self-heat-preservation sound-insulation light inner wall which comprises a light foam concrete layer, a heat-preservation sound-insulation layer, a waterproof layer and a decorative layer. The light foam concrete layer is composed of cement, fly ash, hydrogen peroxide, polyphenyl particles, glass fibers, crushed crude pearlite, vermiculite powder, calcium stearate, expanded graphite, magnesium aluminum hydroxide, magnesium calcium lignosulphonate, ammonium molybdate pentaerythritol ester and titanate melamine salt. According to the contrast test, the construction efficiency, the light weight effect, the heat preservation performance, the sound insulation performance, the waterproof performance and the like of the building interior wall are remarkably superior to those of a traditional interior wall technology, and the building interior wall has wide application prospects and market value.

The invention provides an application of chimeric SFT2D2-TBX19 in diagnosis and treatment of prostatic cancer, and particularly relates to an application of the chimeric SFT2D2-TBX19 as a marker in diagnosis and treatment of prostatic cancer. The nucleotide sequence of the chimeric SFT2D2-TBX19 disclosed by the invention is as shown in SEQ ID NO.1. The overexpression of the chimeric SFT2D2-TBX19 promotes the proliferation, migration and invasion of prostate cancer cells; the chimeric SFT2D2-TBX19 is used for encoding the TBX19-202 protein, the TBX19-202 protein encoded by the chimeric SFT2D2-TBX19 has a carcinogenic effect similar to that of a parent TBX19 in the aspect of promoting the progress of prostatic cancer, and the amino acid sequence of the TBX19-202 protein is shown as SEQ ID NO. 4. Specific high expression of the chimeric SFT2D2-TBX19 in a neuroendocrine prostate cancer (NEPC) cell line is found for the first time, and a new target spot is provided for diagnosis and treatment of related diseases, so that a clinician is guided to provide a prevention method or a treatment scheme for a subject.

A package substrate and a manufacturing method are provided, the package substrate includes a core plate body and dielectric layers formed on two opposite surfaces of the core plate body, and the dielectric layers serve as surface covering layers to prevent the substrate from cracking. The packaging substrate further comprises a plurality of through holes penetrating through the core plate body and the dielectric layer, barrier layers formed on the inner walls of the plurality of through holes, and seed crystal layers formed on the barrier layers on the inner walls of the plurality of through holes, so that the circuit parts and the circuit structures on the two opposite surfaces of the core plate body are electrically connected.

The invention discloses a wheel foot leg with a double-buffering structure and a wheel foot robot, and relates to the technical field of robots. The invention aims to solve the problem of insufficient buffering performance caused by small size of an elastic element and limited buffering stroke of the existing wheel-foot type robot. The buffering type wheel foot leg comprises a knee joint motor, a knee joint crank, a knee joint connecting rod, a thigh, a shank, a hub motor, a knee joint buffering mechanism and a leg buffering mechanism, a knee joint motor output shaft of the knee joint motor is fixedly connected with one end of the knee joint crank, and the other end of the knee joint crank is rotationally connected with the upper end of the shank through the knee joint connecting rod; the upper end of the thigh is fixedly connected with the knee joint motor through the thigh flange, the lower end of the thigh is rotationally connected with the upper side of the shank, the lower end of the shank is connected with the hub motor, the knee joint buffering mechanism is arranged between the thigh and the knee joint crank to achieve buffering of the knee joint, and the leg buffering mechanism is arranged between the thigh and the shank to achieve buffering of the leg. The invention is used for the foot-type robot.

The invention discloses a long tunnel fault fracture zone surrounding rock sample collection device and method, and relates to the technical field of tunnel construction.The long tunnel fault fracture zone surrounding rock sample collection device comprises a rotating mechanism used for adjusting the inclination angle of a drill bit, a pushing mechanism used for pushing the drill bit and a sampling mechanism used for rock sample collection; a connecting pipe penetrates through the middle of the transmission box left and right, the connecting pipe is connected with the transmission box through a bearing, driving gears are arranged in the transmission box and correspond to the front portion and the rear portion of the connecting pipe, and mandrels of the driving gears are connected with the transmission box through bearings; the device has the beneficial effects that through the unique design of the rotating mechanism, the pushing mechanism and the sampling mechanism, efficient and accurate collection of surrounding rock samples of the long and large tunnel fault fracture zone is achieved, meanwhile, the rock sample structure is protected, and subsequent geological analysis and research are facilitated. The device is compact in structure, easy and convenient to operate and high in reliability, and has high practical value and popularization prospects.

The utility model discloses an anode carbon block and carbon bowl cleaning tool which comprises a cleaning component, the cleaning component is composed of a handle, a knife rest and a knife, the knife is installed on the handle through the knife rest, the width of the knife is the same as the diameter of a carbon block and carbon bowl, the anode carbon block and carbon bowl cleaning tool further comprises a carbon block support, the carbon block support comprises a top plate, a supporting cylinder and four supporting feet, the supporting legs on the left side and the right side are the same as the anode carbon block in length, and the supporting legs on the front side and the rear side are the same as the anode carbon block in width. According to the cleaning tool for the anode carbon block and the carbon bowl, a worker can make a self-made cleaning tool for the carbon bowl, the worker holds the handle, puts the cleaning blade into the carbon bowl and rotates the handle in a reciprocating mode, filling materials in the carbon bowl can be loosened and completely sucked through the material suction pipe, the worker does not need to bend down for operation, the labor intensity is reduced, and the operation efficiency is improved.

The invention discloses a method for testing the thickness of a surface oxide layer of micron-sized boron particles, which comprises the following steps of: (1) preparing the micron-sized boron particles, and selecting boron powder particles with the particle size of 100nm-50mu m; (2) preparing a transmission sample of micron-sized boron particles, depositing a Pt protective layer on the surfaces of the particles by using a focused ion beam system before preparing a boron powder transmission sample, protecting an oxidation shell layer on the surfaces of the boron particles, and thinning in a selected area when thinning a slice to ensure the mechanical strength of the slice; and (3) transmission characterization of the micron-sized boron particles: the thickness and measurement error of the oxide layer of the boron particles are calculated by combining transmission images and energy spectrum comprehensive analysis, and the method has the advantages of high sample preparation success rate, high characterization accuracy, high characterization precision and the like.

The invention provides a sand remover capable of adjusting ventilation quantity. The sand remover comprises a shell; the sand removal mechanism comprises sand removal assemblies and a sand collection box, the sand removal assemblies divide the interior of the shell into a sand collection channel and an exhaust channel, each sand removal assembly comprises an air guide part and a rotating shaft, any air guide part comprises a movable blade, a sand removal channel is formed between every two adjacent air guide parts, and sand dust enters the sand collection box through the sand collection channels and is discharged from the rotating shaft; the gas subjected to sand removal enters the exhaust channel from the sand removal channel and then is exhausted; and the adjusting mechanism is connected to the sand removal assembly and drives the movable blades on the same air guide piece to be opened and closed relatively so as to adjust the ventilation quantity of the sand removal channel. According to the sand remover capable of adjusting the ventilation quantity, the ventilation quantity of the sand remover can be flexibly adjusted through the sand removing assembly, and therefore the sand remover can flexibly work according to actual use requirements. Compared with a conventional sand removing technology at the present stage, the sand remover has the remarkable advantages of being flexible to use, high in controllability, wide in application range, stable in sand removing effect and the like.

The invention relates to the technical field of tunnel engineering, in particular to a variable-diameter soft soil cutterhead with a circumferential ring and a full-face tunnel boring machine. The cutterhead comprises a cutterhead middle part, and the cutterhead middle part comprises a center cylinder, a spoke arm and a first telescopic connecting device; the first end of the spoke arm is fixed to the center cylinder, the second end of the spoke arm is detachably connected to the first telescopic connecting device, a center cutter is arranged on the center cylinder, and a first cutter assembly is arranged on the spoke arm. The cutterhead telescopic part is detachably connected to the first telescopic connecting device and located at the end back to the spoke arm, and a second cutter assembly is arranged on the cutterhead telescopic part; the circumferential ring is detachably mounted on the cutter head telescopic part and located at the end, opposite to the spoke arm, of the cutter head telescopic part, and an annular part advancing cutter is arranged on the circumferential ring. The technical problem that in the prior art, when the diameter of the cutterhead needs to be changed, irreversible transformation needs to be conducted on the cutterhead or remanufacturing needs to be conducted on the cutterhead is solved.

The invention relates to the technical field of wind power generation, and discloses a noise reduction structure of a wind turbine generator, comprising: a cabin, a cabin wall of which is provided with a cabin air outlet; the generator is arranged in the cabin, a shell of the generator is provided with a generator air outlet, the generator air outlet is suitable for leading out hot air in the generator, and the hot air led out from the generator air outlet flows in the first direction; the silencer is fixedly arranged relative to the generator, the silencer comprises a shell and a plurality of silencing pieces arranged in the shell, the shell is provided with a first air inlet port and a first air outlet port which are oppositely arranged, the first air inlet port is arranged towards the air outlet of the generator, and the first air outlet port is arranged towards the air outlet of the cabin; the projection of the first air inlet port on the plane where the first air outlet port is located partially coincides with the first air outlet port, the silencing pieces extend in the second direction and are distributed at intervals, and the second direction is parallel to the first direction. Noise reduction effect is good, and generator cooling effect is prevented from being affected.

The preparation method comprises the following steps: crushing raw materials, carrying out dual-frequency ultrasonic extraction in combination with a solvent to obtain a high-activity and high-oxidation-resistance component, filtering through a micro-filtration membrane, mixing an extracting solution and crushed filter residue raw materials according to a ratio, sterilizing, adding modified microcrystalline cellulose and other auxiliary materials, and mixing, so as to obtain the anti-aging body-consolidating and life-prolonging pill. And refining honey and pelleting to prepare the life-prolonging pill with high stability, good pill quality and high oxidation resistance.

The invention relates to preparation and application of a high-entropy lithium argyrodite type sulfide solid electrolyte. The structural formula of the high-entropy sulfide electrolyte is Li theta M alpha N beta P1-alpha-beta S 4.5-lambda X lambda Y 1.5, wherein theta is more than 5.32 and less than 6.46, alpha is more than or equal to 0.01 and less than 0.32, beta is more than or equal to 0.01 and less than 0.32, alpha + beta is more than 0 and less than or equal to 0.32, and lambda is more than 0 and less than or equal to 0.5. In the sulfide solid electrolyte prepared by doping elements with different physical properties, the introduction of metal cations can generate additional lithium vacancies, increase the degree of freedom of lithium ion migration and improve the ionic conductivity, and meanwhile, the introduction of soft acid cations can form a stable tetrahedral structure and improve the air stability; the introduction of the inorganic anions can form a stable interface layer in situ at the lithium negative electrode, prevent the contact between the electrolyte and the lithium negative electrode and improve the stability of the negative electrode interface, and the introduction of the halogen anions can adjust the disorder degree of internal atoms and increase the configuration entropy of the material, so that the diffusion energy barrier of lithium ions is reduced, and the ionic conductivity is improved.

The invention relates to an overlying strata separation layer grouting hole well-forming method based on a horizontal well, and belongs to the field of overlying strata separation layer grouting. The method comprises the steps that data calculation and three-stage drilling are conducted, and grouting pipes inserted after first-stage and second-stage drilling are basically located in a stable stratum without sedimentation; and the probability that the grouting pipe is damaged due to gradient stratum settlement is reduced.

The invention provides a bridge construction integrated monitoring and early warning system based on artificial intelligence, which comprises a central data processor, a bridge data acquisition module, a bridge monitoring module, an alarm module and a display module, and is characterized in that the central data processor is wirelessly connected with the bridge data acquisition module and the bridge monitoring module, and the alarm module corresponds to the display module. The bridge monitoring module comprises a monitoring alarm device, the monitoring alarm device comprises a mounting frame, a camera and a protection structure are mounted on the mounting frame, the camera corresponds to the protection structure, and the alarm module comprises an alarm structure fixed on the mounting frame. A bridge can be directly detected through the stress sensor, the strain sensor and the displacement sensor of the monitoring structure, the accuracy is guaranteed, an alarm can be given through the alarm module, bridge information is displayed through the display module, and therefore danger can be prevented, the camera and the protection structure are installed on the installation frame, and the safety is improved. And auxiliary monitoring can be carried out through the camera.

The piston type liquid damper comprises a cylinder body, a piston piece, a first connecting ring and a pressure relief piece, the piston piece is movably installed in the cylinder body, the first connecting ring is fixedly installed at the right end of the cylinder body, and the pressure relief piece is installed in the cylinder body and connected and matched with the piston piece. The piston piece comprises a piston rod, a movable piston block and a fixed piston block, and one end of the piston rod penetrates through and slides into the cylinder body in a sealed mode. The powerful balance spring is arranged to support the pressure relief piston, when the protruding block is subjected to overrun pressure, the pressure relief piston is pushed to displace to extrude the powerful balance spring to unload internal pressure, the device structure is protected, meanwhile, the corrugated design of the inner side of the cylinder body is matched with the cooling fins to enhance the heat dissipation capacity, and the service life of the device is prolonged. Therefore, the device has the advantages that pressure generated by instant excessive impact is relieved, the structure of the device is protected, meanwhile, heat dissipation is enhanced, and the service life of the device is prolonged.

The invention provides a forming preparation method of a carbon monoxide selective oxidation catalyst, which comprises the following steps: A) mixing the carbon monoxide selective oxidation catalyst, sesbania powder and water to obtain a mixed material; b) mixing pseudo-boehmite powder with an inorganic acid solution to obtain a binder; c) mixing the binder with the mixed material to obtain a catalyst precursor; and D) carrying out extrusion molding, drying and roasting on the catalyst precursor to obtain the molded catalyst. According to the method, the catalyst slurry is prepared firstly and then mixed with the binder prepared from the pseudo-boehmite and the inorganic acid solution for forming, the original structure of the catalyst can be protected, the activity of the catalyst is kept, the method is easy to operate, the forming rate is high, and the obtained catalyst is high in strength.