Quick water blocking device and its water blocking method in anchor cable hole

The invention discloses a kind of swift blocking water device and its method in the hole of anchorage cable. The water-blocking device incldues fixed ring and medicated stopper. The medicated stopper is made of the elastic silk weaving bag filled with water-blocking material. The raw materials of the water-blockingm aterial are firming agent, plastering agent, curing agent, plumping agent and other auxiliary composition, put the raw materials with certain order and proportion into the compounding machine and mix them evenly then can get the water-blocking material. The advantages of the invention are easy operation, low cost, swift water-blocking speed and extensive applying area. It is very effective to the wtaer-blocking in anchorage cable supporting and protecting hole of various aperture.

Life-cycle risk analysis-based cutting and tunnel scheme decision model

The invention relates to a life-cycle risk analysis-based cutting and tunnel scheme decision model. The model can analyze and forecast five indexes comprising casualty, construction delay, economic loss and the like caused by conventional construction period risk, conventional cost risk and accidental construction risk of different schemes to provide theoretical basis for a construction party to perform risk decision; and the model also can analyze and calculate three indexes comprising operation and maintenance expenses, engineering reliability index and environmental influence index of different schemes during operating to provide theoretical basis for an investment party or the government department to perform risk decision and select an optical scheme by comprehensively considering eight indexes of the construction period and the operation period. The decision process can adopt two means comprising individual decision and group decision. The model for analyzing various uncertain problems ...

Method for synthesizing asymmetrical diacylglycerol with benzyl protection

The invention provides a method for synthesizing asymmetrical diacylglycerol with benzyl protection, which comprises the steps of: protecting primary alcohol with a compound 1 and TBSCl under the condition of appropriate organic base to obtain a compound 2; using THP ether to protect the primary alcohol of the compound 2 under the catalysis of weak acid to obtain a compound 3; divesting silyl-ether from the compound 3 under the TBAF condition to obtain a compound 4; conducting condensation reaction of the compound 4 and long-chain fatty acid to obtain a compound 5; divesting THP ether from the compound 5 in weak acid to obtain a compound 6; and conducting condensation reaction of the compound 6 and another long-chain fatty acid to obtain a compound 7, namely the asymmetrical diacylglycerol with benzyl protection. The method for synthesizing asymmetrical diacylglycerol with benzyl protection has the advantages of easy and simple operation, low cost, high yield and easy industrialized production ...

Duplicate gear press fitting fixture

The invention discloses a duplicate gear press fitting fixture which solves the problems of beating out-of-tolerance of the tooth direction of a gear and the radial direction of a gear ring. The duplicate gear press fitting fixture is composed of an upper press head (1), a lower press fitting base (5) and a guide spindle in the center of a workbench. A small gear (3) is arranged on the lower press fitting base (5). The parallel degree of the end face of the small gear (3) and a presser workbench is ensured through the machining precision of the press fitting base (5). A large gear (2) is arranged on the small gear (3). The vertical precision and the installation precision of the press head (1) are used for ensuring the perpendicularity of the end face of the gear and a hydraulic cylinder of the presser. The guide spindle (4) is placed between the large gear (2) and the small gear (3) and is used for ensuring that a shaft neck of the small gear (3) is co-axial with an inner hole of the large ...

Gene GHD05G2737 for regulating and controlling number of fruit branches and yield of cotton as well as encoding protein, expression vector and application of gene GHD05G2737

The invention discloses a gene GHD05G2737 for regulating and controlling the number of fruit branches and the yield of cotton as well as an encoding protein, an expression vector and application of the gene GHD05G2737. The cotton gene GHD05G2737 is subjected to CRISPR/Cas9 editing, and the influence of the gene on character expressions such as the plant height, the leaf size, the fruit branch number, the effective cotton boll number and the yield of cotton is defined; the regulation and control effect on the cotton yield is determined; therefore, a powerful technical support is provided for improving the cotton yield by using the GHD05G2737 gene.

Gene ENT for regulating tiller number and biomass of switchgrass as well as encoding protein, expression vector and application of gene ENT

The invention discloses a switchgrass tiller number and biomass regulation gene ENT, and an encoding protein, an expression vector and application thereof. According to the application, CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats/CRISPR associated protein 9) knockout is carried out on ENT genes (P.virgata v4.1 Pavir.8KG023000.1. P, P.virgata v4.1 Pavir.5KG274600.1. P and P.virgata v4.1 Pavir.4KG280000.1. P) of the switchgrass, and the influence of the ENT genes on the expression of characters such as the plant height and tillering of the switchgrass is determined; the regulation and control effect on the switchgrass biomass is determined; therefore, a solid technical foundation is laid for improving the biomass of switchgrass by using the ENT gene.

Real-time geological parameter prediction method for TBM tunnel based on vibration signals

The invention discloses a vibration signal-based geological parameter real-time prediction method for a TBM tunnel, and the method comprises the following steps: obtaining the geological parameters of the TBM tunnel in a TBM tunneling process, and monitoring the TBM vibration signal in real time under the conditions of different geological parameters and the same external factors; according to vibration monitoring, vibration parameters in the horizontal direction, the vertical direction and the axial direction of the tunnel are obtained by monitoring monitoring points of a plurality of fixed point positions; performing wavelet transform on the vibration data to obtain a time-frequency diagram; splitting the vibration data and the geological parameters of the corresponding time period into a training set, a verification set and a test set; establishing a relation model of the vibration time-frequency diagram and the geological parameters through the training set data; the relation model ...

A quick water blocking device and a water blocking method in anchor cable holes

Rapid curing method for mine laneway muddy bottom

The invention uses a rapid high strong fixing agent to solidify the soleplate mudstone inside a lane. The mudstone after solidified by the rapid high strong fixing agent is pressed and shaken to form a base layer of the lane surface directly, and then the concrete or asphalt surface layer is paved on the solidified road base layer, thereby forming an integrated roadbed road surface. The invention not only can repair the damaged road surface of the lane rapidly to guarantee the smooth production but also solve the problem of the waste mud polluting the environment; moreover, the economical efficiency is superior to that of the prior operation method that the concrete soleplate is pressed after the desilting.

Integrated detection truck for road tunnel defects

The invention discloses an integrated detection truck for road tunnel defects. The integrated detection truck comprises a truck head and a carriage connected to the rear of the truck head. The carriage is further provided with an infrared camera detecting mechanism, a radar-linear-array camera detecting mechanism, a cantilever crane assembly, a lighting lamp, a main control chamber and a generator. The infrared camera detecting mechanism is installed at the front end of the carriage, the main control chamber is arranged at the rear end of the carriage, the cantilever crane assembly is fixed in the carriage and located between the infrared camera detecting mechanism and the main control chamber, the radar-linear-array camera detecting mechanism is installed on the cantilever crane assembly, the lighting lamp is installed on the radar-linear-array camera detecting mechanism, and the generator is arranged on one side of the cantilever crane assembly. A linear array camera detection device, ...

Shield tunnel face excavation stability fine simulation test device

The invention relates to a shield tunnel face excavation stability fine simulation test device which consists of a hand wheel, a speed reducer, gears, a sliding shaft, a rotary sleeve, a nut sleeve, a screw rod, a connecting rod, a cutterhead, screw rod shaft seats, a crank, soil pressure sensors and cutting teeth, wherein the crank is rotated to drive the screw rod to rotate, relative rotation is produced between the screw rod and the nut sleeve, and the cutterhead is driven by the nut sleeve to complete rapid advance and retreat; when the first gear is clamped on the second gear, the hand wheel is rotated, the speed of the relative rotation between the screw rod and the nut sleeve is slower, and the cutterhead is driven by the nut sleeve through the connecting rod to realize slow advance and slow retreat of the cutterhead; when the first gear is clamped on the third gear, the hand wheel is rotated, the gear is driven to rotate by the rotation of the sliding shaft, the nut sleeve is driven ...

Rock stratum multi-point displacement laser measuring method and device

The invention relates to a rock stratum multi-point displacement laser measuring method and device. The device is composed of reflectors, a laser emitter and an orifice locating disk. A hole with a small aperture is drilled in a rock stratum, the laser emitter is installed at the aperture end, meanwhile, the reflectors are bonded to the positions, where measuring points are designed, of the wall of the hole, laser beams excited by the laser emitter shoot the reflectors and the datum points at the bottom of the drilled hole and are then reflected back, the reflected laser beams can be captured by a receiving device on the laser emitter, a collecting device of the laser emitter calculates and displays the distances from the reflectors to the laser emitter and from the datum points at the bottom of the hole to the laser emitter, the distance from the reflectors to the datum points at the bottom of the hole is obtained by subtracting the distance from the laser emitter to the reflectors by ...

Curing agent composition and method for making the same

The invention relates to a rapid high-strength hardener composition for a pelitization substance of mudstone of a laneway base plate of a mine and a method for preparing the same. The composition is prepared through mixing and grinding sulphate aluminium cement clinker, hydrated gypsum, hydrated lime, sodium sulfate, sodium silicate, aluminum potassium sulfate and sodium hydroxide into powder with specific surface area of between 200m<2>/kg and 900m<2>/kg. The rapid high-strength hardener composition carries out reinforcing treatment on the pelitization substance of mudstone and has the advantages of short time for forming a condensate and high strength of the formed condensate.

Rapid high-precision detection equipment of subway shield tunnel diseases

The invention relates to detection equipment of subway shield tunnel diseases, and particularly relates to rapid high-precision detection equipment of the subway shield tunnel diseases. The rapid high-precision detection equipment comprises a walking device, a control device and an image collecting device, wherein the walking device comprises a base; rail wheels are fixedly arranged on the base, a hollow upright post is fixedly arranged on the base, a hydraulic cylinder is vertically and fixedly arranged on the top end of the hollow upright post, a vertical first disc is fixedly arranged on a piston rod of the hydraulic cylinder, and a radial support rod is fixedly arranged on the first disc; the control device comprises an industrial control computer host, an industrial control computer display, a keyboard and a mouse; the image collecting device comprises a linear array CCD (Charge Coupled Device) industrial camera, wherein the linear array CCD industrial camera is fixed on the support ...

Method for synthesizing asymmetrical diacylglycerol with benzyl protection

The invention provides a method for synthesizing asymmetrical diacylglycerol with benzyl protection, which comprises the following steps of: protecting primary alcohol with a compound 1 and TBSCl under the condition of appropriate organic base to obtain a compound 2; using THP ether to protect the primary alcohol of the compound 2 under the catalysis of weak acid to obtain a compound 3; divesting silyl-ether from the compound 3 under the TBAF condition to obtain a compound 4; conducting condensation reaction of the compound 4 and long-chain fatty acid to obtain a compound 5; divesting THP ether from the compound 5 in weak acid to obtain a compound 6; and conducting condensation reaction of the compound 6 and another long-chain fatty acid to obtain a compound 7, namely the asymmetrical diacylglycerol with benzyl protection. The method for synthesizing asymmetrical diacylglycerol with benzyl protection has the advantages of easy and simple operation, low cost, high yield and easy industrialized ...

Cable tunnel lining water leakage detection device and contour modeling method

The invention discloses a cable tunnel lining water leakage detection device and a contour modeling method, the detection device comprises a detection vehicle used for moving in a cable tunnel, and the detection vehicle is connected with a shooting system used for detecting water leakage in the cable tunnel; the shooting system comprises a fixing column connected with the detection vehicle, a plurality of connecting arms are movably connected to the two sides of the fixing column, and each connecting arm is connected with a camera used for photographing so that shooting of the cameras at the same position and at different angles can be achieved. Nine pictures of the same section are aligned, tunnel contour modeling is conducted through the line laser scanning three-dimensional reconstruction technology, and a speedometer is arranged in an auxiliary wheel at the tail of a trolley and used for recording the real-time advancing position of the trolley and giving the real-time advancing position ...

Risk-based tunnel supporting structure design method

The invention relates to a risk-based tunnel supporting structure design method, comprising three links: determining the initial design scheme of a tunnel supporting structure, evaluating the risk of each supporting scheme, and making decision and analyzing the supporting schemes. In the method, a probability method and a risk analysis model are applied to carry out quantitative description to physical mechanics indexes of a surrounding rock and the uncertainty in geological exploration; the initial design scheme for supporting is given according to the level of the surrounding rock; space effect of tunnel excavation is considered and a convergence-confinement method is improved through the hardening process for pneumatically placed concrete supporting, the calculation procedures of the improved convergence-confinement method are used for analyzing the determined supporting design scheme, and the failure probability of the supporting and the surrounding rock is given under different construction ...

Curing agent composition and method for making the same

The invention relates to a rapid high-strength hardener composition for a pelitization substance of mudstone of a laneway base plate of a mine and a method for preparing the same. The composition is prepared through mixing and grinding sulphate aluminium cement clinker, hydrated gypsum, hydrated lime, sodium sulfate, sodium silicate, aluminum potassium sulfate and sodium hydroxide into powder with specific surface area of between 200m<2>/kg and 900m<2>/kg. The rapid high-strength hardener composition carries out reinforcing treatment on the pelitization substance of mudstone and has the advantages of short time for forming a condensate and high strength of the formed condensate.

Air bag pressing and pasting device for rock stratum small-caliber vertical shaft inner wall positioning piece

The invention relates to an air bag pressing and pasting device for a rock stratum small-caliber vertical shaft inner wall positioning piece. The air bag pressing and pasting device is composed of a casing pipe, an air bag, a top block and the positioning piece, wherein fan-shaped slotted holes are formed in the casing pipe, the air bag is arranged in the casing pipe, and the positioning piece and the top block are connected mutually, arranged in the fan-shaped slotted holes formed in the casing pipe from outside to inside and make contact with the air bag in the casing pipe. The air bag is inflated to be swelled to push and squeeze the top block and the positioning piece to move outwards, after the positioning piece touches the vertical shaft inner wall, a flat thin liner which contains a high-strength adhesion agent and is pasted on the outer side of the positioning piece cracks, the high-strength adhesion agent overflows and firmly pastes the positioning piece on a preset position on ...

TBM semi-automatic presplitting blasting auxiliary tunneling equipment and construction method

The invention discloses a construction method and system for semi-automatic pre-splitting blasting auxiliary tunneling of a TBM (Tunnel Boring Machine). A telescopic belt conveyor is used for retracting a part in a tool bin according to a set sliding rail after shutdown tool changing and tool checking are completed, so that enough space is reserved for drilling and blasting work; a plurality of groups of preformed holes are formed in the double-spiral preformed hole cutter head, and the two preformed holes in the same group are respectively formed in one of two centrosymmetric spiral line tracks on the front end surface of the cutter head; double drilling machines on the inner side of the all-dimensional rock drilling machine are driven by a small gear ring, and double drilling machines on the outer side of the all-dimensional rock drilling machine are driven by a large gear ring and can be circumferentially adjusted until preformed holes in the outer side of the arc cutter head are flushed ...

Engineering-risk wireless-sensing early-warning visualization system and method

The invention relates to an engineering-risk wireless-sensing early-warning visualization system and method. The system comprises a sensor module, a microprocessor module, a wireless receiving and transmitting module, a site early-warning module, a data storage module, a long-distance early-warning module and an upper computer. The sensor module is arranged in an engineering structure and is connected with the microprocessor module. The microprocessor module is connected with the wireless receiving and transmitting module and the upper computer respectively. The wireless receiving and transmitting module is connected with the site early-warning module, the data storage module and the long-distance early-warning module respectively. The site early-warning module is arranged at an engineering site, the long-distance early-warning module is arranged in a long-distance monitoring room, and the data storage module is connected with the upper computer. Compared with the prior art, the engineering-risk ...

Maize kernel development regulation gene ZmGWT1a, encoding protein thereof, SNP (Single Nucleotide Polymorphism) site, functional marker and application of corn kernel development regulation gene ZmGWT1a

The invention discloses a corn kernel development regulation gene ZmGWT1a as well as an encoding protein, an SNP (Single Nucleotide Polymorphism) site, a functional marker and application thereof. According to the invention, a natural grain mutant gwt1a found in a corn field breeding line selection process is utilized to clone a key gene ZmGWT1a influencing GPI synthesis, and the gene encodes acyltransferase in the fourth step of a GPI synthesis route; the ZmGWT1a gene regulates and controls development of corn embryos and endosperm, influences accumulation of grain storage substances, but does not influence normal growth and development of plants, and has an important value for increasing the corn yield. The identification and utilization approach analysis of the ZmGWT1a excellent haplotype provide technical support and excellent germplasm resources for the utilization of the gene. By utilizing the gene and the functional marker disclosed by the invention, the creation of a high-yield ...

左旋比卡鲁胺的组合物

A L-Bikaluan composition, its crystal type suitable for preparing the orally applied medicine, the process for preparing its crystal, the granularity and smelting point of said crystal, and the application of said composition in preparing medicines for treating prostatic cancer are disclosed.

Building method for laneway paving-free road

The invention relates to a method for rapidly solidifying the lane soleplate mudstone by fly ash-lime and geocells. The fly ash and lime are added into the lane soleplate mudstone with certain proportion to be mixed evenly in order to prepare a mudstone solidifying body filling with certain intensity. The geocells are unfolded inside the lane to be connected together, the mudstone solidified by the fly ash and lime is filled into the unfolded geocells, a road roller is used to laminate and vibrate the road surface to form a temporary lane road without pavement. The method is an efficient waste renewable processing method, which can not only rapidly repair the damaged road surface to ensure the traffic opening in time and to guarantee the smooth production but also solve the problem that the waste mudstone and the industrial waste, namely the lime pollute the environment; moreover, the economical efficiency is superior to that of the prior operation method that the concrete soleplate is ...

Mountainous area highway landslide risk evaluation model

The invention relates to a mountainous area highway landslide risk evaluation model. The method is based on the theory of fuzzy mathematics, uses fuzzy comprehensive evaluation method, Delphi method, analytic hierarchy process and other methods to calculate the membership influencing hazard and vulnerability of highway side slope so as to obtain index evaluation level of hazard and vulnerability of slide slope risk, on the basis, adopts method of risk evaluation matrix to carry out risk evaluation of talus side slope. The model can predict, recognize, assess and analyze the slide slope risk of side slope that is possible to meet, and on the basis effectively cope with the risk to avoid or reduce the hazard of landslide geological disaster on national economy and life and property of people, and can take measures such as corresponding prevention and treatment on the basis of judgment and prediction of development and change trend of the landslide body.