50results about How to "Achieve anchoring" patented technology

The invention relates to a turbomachine with a compressor wheel (3) through which fluid flows radially. The compressor housing (8) consists of an outer spiral housing (10) and an inner housing insert (12). The compressor wheel (3) may break due to aging. Ideally the breakout should be caught by the casing insert (12) in order to secure the casing of the turbine. Taking into account the force of the shock release due to the breaking part of the compressor wheel (3), the invention proposes a special construction, in particular of the housing inner insert (12) as a spare part, so that the breaking part can be Reliable and cost-effective retention in the turbine, that is to say keeping the casing of the turbine secure.

The invention provides a lithium nickel manganese oxide positive electrode material, a preparation method thereof and a lithium ion battery. The preparation method of the lithium nickel manganese oxide positive electrode material comprises the steps that a lithium source, a nickel source, a manganese source, water, beta-cyclodextrin, a complexing agent and an alkaline regulator are subjected to a gel reaction, a precursor gel is obtained, wherein the molar ratio of lithium elements in the lithium source to nickel elements in the nickel source to manganese elements in the manganese source is (1.00-1.06): (0.45-0.55): (1.45-1.85); and dehydrating and calcining of the precursor gel are carried out to obtain the lithium nickel manganese oxide positive electrode material. According to the preparation method, anchoring of nickel and manganese can be realized, so that the probability of mixed arrangement of lithium ions and nickel ions in the lithium nickel manganese oxide positive electrode material is reduced, the structural stability of the lithium nickel manganese oxide positive electrode material is improved, a spinel type structure is formed, and the prepared lithium nickel manganese oxide positive electrode material has good first discharge efficiency, rate capability, capacity recovery and cycling stability.

The invention discloses a polyester modified organosilicon levelling agent, and a preparation method thereof. According to the preparation method, the polyester modified organosilicon levelling agentis prepared from hydrogen-terminal polydimethylsiloxane and single-allyl-terminal polycaprolactone at a molar ratio of 1-1.5:2 via catalytic addition under the action of a catalyst, wherein the mass amount of the catalyst accounts for 0.001 to 0.005% of that of the total materials. Primary hydroxyl groups contained by the polyester modified organosilicon levelling agent are capable of reacting with a resin base material, anchoring of active components on coating surface is realized after film forming, excellent heat resistance is achieved, and applications can be realized in the forms of solution, water miscible liquid, or 100% stock solution.

The invention provides a novel expansion anchor bolt, and belongs to the technical field of anchor bolt fixing. The novel expansion anchor bolt is used for fastening an installing base surface and comprises an anchor rod and a sleeve which is arranged on the outer surface of the anchor rod in a sleeving mode in the mode of doing reciprocating motion in the extending direction of the anchor rod, acontaining cavity is formed in the anchor rod, and expansion bodies and a cocking part used for being connected with the expansion bodies in a butting-joint mode to enable the non-hinged ends of the expansion bodies to be capable of at least partially protruding out of a containing groove; and the non-hinged end of each expansion body is provided with a guiding surface, and the guiding surfaces are used for being connected with one end of the sleeve in an abutting mode till the expansion bodies are expanded in the mode that the non-hinged ends rotate to make contact with the installing base surface. According to the novel expansion anchor bolt, the sleeve abuts against the guiding surfaces to enable the expansion bodies to be expanded, and the expanding and fixing effects are achieved. Thestructure is simple, anchoring can be achieved only by rotating or knocking the sleeve, labor is saved, and the expansion degree of the expansion bodies is controlled by controlling the abutting length of the sleeve.

The invention discloses an anchoring and grouting engineering management system based on geological record big data. The anchoring and grouting engineering management system based on the geological record big data comprises a data connection and transmission module, a data acquisition module, a geological record module, a modeling, analysis and feedback module, a control module and a result analysis querying module. The anchoring and grouting engineering management system is used in industries related to anchoring and grouting engineering. For supporting of foundation pits, slopes and side walls of caverns and seepage prevention of dam foundations, and the seepage prevention capability or the integrity and deformation resistance are improved. The engineering using anchoring and grouting toachieve the strengthening purpose has good application and promotion value. The big data are used for collecting, processing and analyzing related information, construction control parameters are provided, the anchoring and grouting engineering management system is combined with an intelligent control system to form feedback to continuously optimize the process control parameters, and the corresponding recording process is monitored and fed back, the effect of anchor cable tension and grouting is improved, the standardization of the construction process is promoted, the engineering quality and efficiency are improved, and the safety risk is reduced.

The invention belongs to the technical field of catalysts, and particularly relates to a multi-metal-CHA type molecular sieve catalyst as well as a preparation method and application thereof. The catalyst comprises a first active component, a second active component, an auxiliary agent and a CHA type molecular sieve, wherein the first active component is Cu; the second active component is Ce; theauxiliary agent comprises one or more of ammonium polyacrylate, polyvinyl alcohol, polymethacrylate, maleic anhydride and ammonium polycarboxylate; the molar ratio of silicon dioxide to alumina in theCHA type molecular sieve is less than or equal to 18: 1; and the atomic number ratio of Cu to Ce to Al in the catalyst is (0.19-0.49): (0.05-0.2): 2. The provided catalyst has excellent NOx conversion efficiency and hydrothermal stability.

The invention discloses a seabed automatic drilling type piling device and method. The seabed automatic drilling type piling device comprises an expansion fixing module, an upper anchoring module, a lower anchoring module, a chip removal module and a drilling module, and a mooring rope can be dragged to automatically drill into a seabed rock stratum to achieve anchoring; the drilling module can drill the seabed rock stratum; the chip removal module can automatically transfer rock chips to the rear of the device, so that efficient chip removal and drilling are realized; the upper anchoring module and the lower anchoring module play a role of fixing the device during drilling, and can assist in anchoring after drilling to a specified anchoring depth; when an extrusion head is subjected to upward pulling force applied by the mooring rope, an expansion cover in the expansion fixing module deforms and opens under the action of the extrusion head, the friction force between the expansion cover and the rock chips is increased, and therefore reliable anchoring is achieved. The problems of insufficient seabed shallow non-diagenetic piling depth and unreliable anchoring are mainly solved, high automation and controllable piling depth are realized, and the seabed automatic drilling type piling device and method are suitable for piling operation requirements of different water depths and various seabed lithology.

The invention relates to a pre-stressed anchoring conduit based on improvement of an existing tube seam type anchor rod. The pre-stressed anchoring conduit comprises a rod body, an expanding core, a base plate and a nut, wherein the front half section of the rod body is a tubular rod body with a longitudinal joint, the rear half section of the rod body is a hollow anchor rod body in a full thread shape and made and rolled from a seamless steel tube, the tubular rod body and the hollow anchor rod body are welded into a whole, the expanding core is arranged at the front end of the conduit, and the nut and the base plate are arranged at the rear end of the conduit. According to the pre-stressed anchoring conduit, top anchoring can be achieved, anchoring force is obviously increased, and grouting to a rock stratum can be achieved through the hollow anchor rod body. Due to the fact that a pull ring is replaced with the nut at the tail end, stability is improved. The pre-stressed anchoring conduit is low in manufacturing cost, capable of greatly improving the anchoring effect of the tube seam type anchor rod, and quite high in economic benefit.

The invention relates to a preparation method of a carbon black dispersion liquid for a black polyimide film, which is characterized by comprising the following steps of: dissolving a diamine monomer into a strong-polarity aprotic organic solvent, adding a dianhydride monomer in batches, controlling the molar ratio of the dianhydride monomer to the diamine monomer to be 0.7-0.98, controlling the reaction temperature to be 40-50 DEG C, and reacting for 40-60 minutes to obtain a carbon black dispersing agent of a polyamide acid system; the preparation method comprises the following steps: adding carbon black into a carbon black dispersant of a polyamide acid system, stirring, and grinding for 9-11 hours by using a grinding machine to obtain a carbon black dispersion liquid; the carbon black can realize high-stability dispersion in the aspect of preparing modified polyimide, and stable preparation of the high-performance carbon black-polyimide composite material is realized.

The invention relates to a carbon nanotube/nylon composite material as well as a preparation method and conductive application thereof, and belongs to the field of polymer conductive composite materials. The preparation method comprises the following steps: performing surface modification on a carbon nanotube by adopting plasma; carrying out grafting treatment on a surface-modified carbon nanotubeby adopting a silane coupling agent containing double bonds to obtain a polar carbon nanotube containing double-bond functional groups on the surface; and melting and mixing the polar carbon nanotubecontaining the double-bond functional group on the surface with a polyolefin toughening agent, nylon and an initiator, and carrying out extrusion molding to obtain the product. The carbon nanotube isanchored on the surface of the polyolefin elastomer, and finally the purpose of limiting the carbon nano tube at the nylon/toughening agent interface is achieved, so that the elastomer does not wrapthe carbon nano tube, and the conductive efficiency of the carbon nano tube is remarkably improved.

The invention relates to the field of orthopedic surgery machinery, in particular to a bone bolt with reinforced anchoring sheets. The bone bolt includes a bone bolt body and an anchoring sheet assembly, the anchoring sheet assembly includes a core rod and a driving component used for driving the core rod to axially move in an assembly containing cavity, the whole body of the core rod is cylindrical, and a pair of strip-shaped platy components with certain width and suspended front ends obliquely extend outwards, are arranged at the two sides of the core rod and form the anchoring sheets; a pair of anchoring sheet slot holes running through the side walls are obliquely formed in the inner wall of the assembly containing cavity. By driving the driving component and utilizing the screw-thread fit between the driving component and the inner wall of the assembly containing cavity, the driving component is rotated to jack the core rod forward into the assembly containing cavity, the anchoring sheets are pushed to move forwards, and when reaching appropriate positions, the anchoring sheets can extend out of the bolt body along the anchoring sheet slot holes which are obliquely formed andrun through the side walls, so that an anchoring function is achieved. The biomechanical stability effect of bolt fixation can be improved.

The invention discloses an ecological bag ecological slope protection system and a construction method thereof. The ecological bag ecological slope protection system comprises ecological bags staggered and stacked layer upon layer along the surface of a slope, and only one layer of ecological bags is arranged in the horizontal direction. The ecological bag ecological slope protection system further comprises geogrids. After one end of each geogrid is wound around the corresponding ecological bags, the two ends of the geogrid are anchored in the slope together. The length-width ratio of the ecological bags is 10 or above. The width of the parts, in the length direction of the ecological bags, of the geogrids exceeds the length of the ecological bags by 0.2 m or above. The sides of every two left-right adjacent geogrids are in lap joint in the middle of the corresponding ecological bags, and the lap width of the sides of every two left-right adjacent geogrids is 0.1 m or above. According to the ecological bag ecological slope protection system, the usage quantity of the ecological bags can be reduced, the construction cost can be reduced, and the occupied area of the slope protection system can be reduced.

The invention relates to a thread-connection post-anchoring construction method. The method comprises the steps that firstly, a hole is drilled in the designated position of a concrete, building stone and ceramic material base body through a water drill, wherein the diameter and depth of the hole correspond to a selected standard bolt and a metal screw core in specification; secondly, an internal screw milling machine spindle is inserted into the hole, large-pitch trapezoid threads are machined on the smooth inner hole; thirdly, a metal screw core matched with the trapezoid threads is screwed in the trapezoid thread hole through an inner hexagonal or linear spanner, and standard threads are machined on an inner hole of the metal screw core; fourthly, one end of the standard bolt is connected to the metal screw core, the other end of the standard bolt is connected with a connected object, the connected object is fixed to the base body, and a grouting material is used for grouting after installation on the occasion that disassembly is not needed. The large-pitch trapezoid thread metal screw core is used as post-anchoring parts to be installed inside the concrete, building stone and ceramic material base body, the external standard bolt is used as a connecting part, the fixed object is firmly fixed to the base body, and therefore the anchoring effect is achieved.

The invention discloses an adjustable well seat for municipal roads. The adjustable well seat comprises a shaft template, a supporting seat and a well seat body, and an adjusting assembly is arranged between the supporting seat and the well seat body; the adjusting assembly comprises a plurality of adjusting studs, and the well seat body is provided with a plurality of arc-shaped holes in one-to-one correspondence with the adjusting studs. The upper ends of the adjusting studs penetrate through the corresponding arc-shaped holes, a positioning nut is arranged on the adjusting stud at the upper part of each arc-shaped hole, and an adjusting nut is arranged on the adjusting stud at the lower part of each arc-shaped hole; and the positioning nut and the adjusting nut on the adjusting stud can clamp the well seat body. By adjusting the height of the adjusting nut on each adjusting stud, the height of the top of the well seat body in each direction can be adjusted, then it can be guaranteed that the height of the top of the well seat body and the height of the surrounding road surface in each direction are approximately consistent, and finally it is avoided that a large height difference exists between the well seat body and the road surface in a certain direction; therefore, the bumping of the passing vehicles is prevented, and the driving stability is ensured.

The invention relates to the field of oil field oil production engineering, and belongs to a slip assembly capable of being rapidly milled for a downhole tool. The slip assembly solves the problem that an integral slip and a block type slip used on a common bridge are not easy to mill. The slip assembly comprises a cone (1), a main body assembly and an inclined body (5), wherein the cone (1) is used for expanding and supporting a slip base body (3) during setting, and limiting the circumferential displacement of the slip base body (3); the main body assembly is inserted between the cone (1) and the inclined body (5); the inclined body (5) is used for supporting the tail part of the slip base body (3); the main body assembly comprises a fixing ring (2), the slip base body (3) and a slip piece (4); and the fixing ring (2) hoops the slip base body (3) into a circle, and the slip piece (4) is inserted into the upper surface of the slip base body (3). The slip assembly has the advantages ofbeing simple in structure, safe, reliable, capable of being rapidly milled, small in size of the rest part of the slip base body after milling and the like.

The invention provides a binder and a battery containing the binder. The binder has a three-dimensional network structure, a skeleton of the three-dimensional network structure is formed by a first polymer, the skeletons are connected through a second polymer, and the first polymer and the second polymer are cross-linked through a hydrogen bond; wherein the first polymer is selected from an acrylic polymer; and the second polymer is selected from a polyurethane ternary polymer. The binder provided by the invention can effectively improve deformation caused by volume change of a negative electrode active material, so that the cycle life of the battery is prolonged.

The invention discloses a high-stability sectional type cast-in-situ bored pile construction method, and belongs to the technical field of concrete piles. According to the construction method, innovation can be realized, a sectional pouring mode is adopted, and a double-effect monitoring rod is mounted on a reinforcement cage, and is synchronously pre-buried along with sectional pouring, so that the sedimentation phenomenon of a concrete pipe pile in a foundation environment is effectively improved, along with pouring of concrete, the hydration heat phenomenon of the concrete is utilized for absorbing heat and triggering the anchoring action, high-strength combination with the hole wall is achieved, and meanwhile, the concrete at the upper end and concrete at the lower end are connected, in addition, bending and settlement monitoring can be carried out at the same time when the cast-in-place pile is pre-buried inside the concrete, when bending and settlement happen to the cast-in-placepile, an alarm circuit can be triggered, an alarm signal is sent to the outside, and technicians can take remedial measures in time, so that the stability and the safety of the cast-in-situ bored pile are effectively improved, the construction difficulty is reduced, and the construction cost is controlled.