32results about How to "Easy to get materials" patented technology

The utility model relates to a prefabricated column hoisting installation auxiliary device which comprises a lower-layer frame and an upper-layer frame, the lower-layer frame and the upper-layer frame are fixedly connected through four pieces of vertical angle steel, the lower-layer frame, the upper-layer frame and the four pieces of vertical angle steel are connected to form a frame barrel-shaped structure, and the caliber of the frame barrel-shaped structure is consistent with the size of a prefabricated column. A big-end-up cup opening frame is fixed to the top of the upper-layer frame, the upper portion of the cup opening frame is larger than the prefabricated column, levers are installed on the periphery of the cup opening frame, and idler wheels are arranged at the bottoms of the levers. When the auxiliary device is used, the device is positioned and placed according to a cup opening hole in the top of a cup opening foundation, the caliber position of the cylindrical structure of the frame is located in the center of the cup opening hole, the prefabricated column is aligned with the caliber of the upper-layer frame through the levers on the periphery, and then the prefabricated column continues to be put down; the prefabricated column is placed in the cup opening hole along the cylindrical structure of the frame, so that the prefabricated column is placed in the center of the cup opening hole, positioning is accurate, and operation is easy.

The utility model relates to a welding wire roller transfer trolley which comprises a frame body, a handrail arranged on one side of the frame body, universal wheels fixed to the bottom of the frame body, a left placing area and a right placing area arranged on the frame body, each placing area comprises an upper placing frame and a lower placing frame, each placing frame comprises two limiting rods arranged at intervals, and the interval between the limiting rods is smaller than the outer diameter of a welding wire roller. The limiting rods are arranged on the frame body so that a welding wire roller can be placed between the limiting rods, upward protrusions of the angle steel can stop the welding wire roller from rolling from the two sides, and therefore the welding wire roller can be stably clamped between the limiting rods, the lower-layer containing frame is fixedly connected to the bottom of the frame body, and the upper-layer containing frame is arranged on the frame body in a sliding mode so that the height of the upper-layer containing frame can be adjusted on the frame body in a sliding mode. When a welding wire roller is placed on the lower-layer placing frame, the height of the upper-layer placing frame is adjusted upwards, the side space of the frame body is reserved, and therefore the welding wire roller can be assembled and disassembled more conveniently, and after the welding wire roller is assembled, the height of the upper-layer placing frame is adjusted downwards, and the welding wire roller on the lower layer is limited between the upper-layer limiting rod and the lower-layer limiting rod.

This invention discloses a pipeline gas supply device, a pipeline gas filling method, and a pipeline welding method, relating to the field of welding tool technology. The pipeline gas supply device includes a gas supply pipe, which comprises a hollow gas supply pipe body and a sealing plate located at one end of the gas supply pipe body, with the other end of the gas supply pipe being the gas supply end; a sealing sleeve fitted around the outer circumference of the gas supply pipe; two fixing washers, located at opposite ends of the sealing sleeve; a pushing component located at the gas supply end of the gas supply pipe; and an expansion / contraction component. The pushing component moves towards the sealing plate end of the gas supply pipe, causing the expansion / contraction component to be squeezed by the fixing washers and the sealing plate or the pushing component, achieving a pipeline sealing effect. This device limits the gas filling range of the protective gas to between the two expansion / contraction washers, greatly reducing the amount of gas used for welding, preventing free discharge of the protective gas, enabling quantitative use of the protective gas, and reducing waste. It is applicable to the gas filling of welded bends, long pipes, and irregularly shaped pipelines.

The utility model discloses a kind of turnover strip-shaped concrete reverse ridge template fixing devices, belong to building construction equipment technical field, including handle, the handle below is provided with connecting sleeve, the connecting sleeve both sides are connected with one root horizontal support rod respectively, connecting sleeve with The horizontal support rod is connected through thread between the two, the horizontal support rod is connected with two oblique support rods away from connecting sleeve end, and the oblique support rod between same side is connected with longitudinal support rod.The utility model uses above-mentioned one kind of turnover strip-shaped concrete reverse ridge template fixing device, by the welding assembly of several support rods, cooperate sleeve and handle, the convenient material taking and quick production of fixed device production are realized, improve work efficiency, save construction cost.

This application relates to a drip irrigation curing bucket fixing frame for a bridge pier bearing pad, comprising: a frame body; a base installed at the bottom of the frame body; and a fixing assembly including a sleeve, a clamping block, a movable rod, and a limiting member. The sleeve is installed on the side of the base away from the frame body and is inserted into the anchor bolt hole of the bearing pad. The sleeve has a through hole in its wall, and the clamping block is movably installed in the through hole along the radial direction of the sleeve. The movable rod has a first part and a second part arranged along the axial direction, the diameter of the first part being larger than the diameter of the second part. The movable rod is movably inserted into the sleeve along the axial direction, so that when the movable rod moves, it switches between the first part and the second part abutting against the clamping block. The limiting member is installed on the sleeve to limit the position of the movable rod. This utility model can switch between the fixed and relaxed states of the fixing frame without damaging the structure of the bearing pad itself.

The utility model relates to the field of leveling of veneers, in particular to a three-in-one appliance for leveling, sagging and positioning steps of veneers, which comprises a bent vertical short rod, a transverse long rod, a middle long rod, a horizontal bubble instrument and an adjusting knob. The two sets of bent vertical short rods are arranged in parallel, the two sets of transverse long rods are arranged between the two bent vertical short rods in parallel, the middle long rod is arranged between the two transverse long rods, and the two ends of the transverse long rods and the two ends of the middle long rod are perpendicularly connected with the bent vertical short rods on the two sides. The horizontal bubble instrument is horizontally fixed on the upper surface of the middle long rod; and the adjusting knob is arranged on the bent vertical short rod. According to the utility model, the functions of paving, plumb finding and positioning are integrated. The veneer leveling device is mainly applied to the field of veneer leveling.

The embodiment of the present application discloses a feeding method for improving the survival rate and weight of Polyphylla laticornis larvae in the process of processing and converting fungus dungs. The feeding method comprises the following steps: S1: obtaining the feces generated in the feeding process of 2nd instar and / or 3rd instar Polyphylla laticornis larvae; S2: obtaining the feces substrate formed by the feces; S3: putting the 2nd instar Polyphylla laticornis larvae into the feces substrate, and placing them in an environment with a temperature of 28±2 DEG C and a light cycle of L:D = 16h:8h for feeding for 10 days, and the substrate humidity is controlled at 50%-55%; S4: picking or screening the larvae fed for 10 days from the feces substrate, and putting them into fungus dung substrate for further feeding. The present application can improve the survival rate and weight of Polyphylla laticornis larvae in the process of processing and converting fungus dungs, improve the utilization rate of insect feces, simplify the pretreatment process of fungus dungs, and reduce the feeding cost. The feeding method is simple and feasible, convenient to obtain materials, and has a great promoting effect on the processing and converting fungus dungs industry of Polyphylla laticornis.

The utility model discloses an assembly type steel structure building ALC inner wallboard installation device which comprises a steel pipe supporting frame, a winch and a pulley. A winch is installed at the upper end of the inner side of the steel pipe supporting frame, a fixed pulley is arranged at the top of the supporting frame, a rubber pad is connected to the bottom of the outer side of the supporting frame to prevent collision in the hoisting process, a steel plate is welded to the first-layer transverse rod, configuration is arranged on the steel plate, and meanwhile four universal wheels with brakes are arranged at the four corners of the bottom of the steel pipe supporting frame. Compared with an existing common wallboard installation device, the assembly type building ALC inner wallboard installation device has the advantages of being convenient and rapid in material obtaining, safe, efficient, high in stability, capable of being operated by a single person and the like, meanwhile, the device can be moved conveniently through the universal wheels with brakes, and safety of the device and personnel is kept in the using process.

The utility model discloses a modularized airplane external equipment storage and transportation device, which belongs to the field of airplane equipment storage, is used for storing and transporting external equipment, related accessories and the like, adopts a modularized design, can adjust the inside of a square cabin, is an all-hollow square cabin when all internal structural parts are dismantled, and can be used for storing and transporting the external equipment by adjusting internal functional modules. The container can meet the storage and transfer functions of external equipment of a certain type of aircrafts, can contain two-stage external equipment and accessories of two aircrafts when independently containing the external equipment, can be used in cooperation with a loading and unloading platform of a large transporter to be rapidly hoisted to a certain large transporter, and can take land transportation and sea transportation into consideration. The dehumidification interface of the air-conditioned vehicle is reserved, is in a closed state at ordinary times, is opened and connected with the air-conditioned vehicle to dehumidify during use, and is pulled out of a cabin to directly move onto a trailer when being matched with a trailer system for use, so that the operation is convenient and fast.

This utility model relates to a device for disassembling and replacing carbon dioxide cylinders, including a pry bar. A notch is provided at the upper front end of the pry bar for embedding a crossbar of a hanging bracket fixed to the top of the carbon dioxide cylinder. A lifting rod is hinged to the rear side of the notch on the pry bar, and a hook is provided at the upper end of the lifting rod for hooking onto the suspension beam of the carbon dioxide cylinder. This device facilitates lifting the carbon dioxide cylinder, making subsequent disassembly and replacement easier.

The present application relates to the technical field of curtain wall construction, and particularly relates to a curtain wall transfer floor vertical keel elevation fine adjustment device and a construction method. The present application comprises a fixing assembly, an adjusting assembly and a receiving assembly, the fixing assembly and the receiving assembly are respectively arranged at two ends of the fixing assembly, the fixing assembly is clamped on a building ring beam, the adjusting assembly and the receiving assembly are arranged on the outer surface of the building, a fine adjustment bolt is arranged on the fixing assembly, the fine adjustment bolt vertically contacts the top of the ring beam and is threadedly connected with the fixing assembly. The fixing assembly is used for fixing on the building structure, conveniently temporarily fixing the vertical keel, the adjusting assembly enables the present application to be applicable to the installation of vertical keels of various specifications, the receiving assembly is used for supporting the keel, conveniently installing the vertical keel, the fine adjustment bolt is used for finely adjusting the vertical installation position of the vertical keel, improving the keel installation precision, effectively reducing the alignment operation time in the basket during keel installation, and reducing the construction difficulty.

The utility model relates to a finished yarn stacking positioning structure and finished yarn stacker packaging structure, wherein the finished yarn stacking positioning structure is characterized by comprising thin plate material and a plurality of plastic positioning discs arranged on the surface of at least one side of the thin plate material, the plastic positioning disc comprises a pipe body for positioning the inner peripheral wall of the finished yarn core tube and being conical and a bottom plate integrally formed at the lower end of the pipe body, and the center part of the bottom plate is locked and connected with the thin plate material through bolts. The finished yarn stacking positioning structure is rationally designed and is favorable for reducing the manufacturing cost and manufacturing period.

The utility model relates to a bridge transverse damper with resetting and grading energy consumption functions, which particularly comprises a beam bottom connecting plate, a limiting baffle, a beam bottom connecting plate bolt, a pier top connecting plate bolt, a steel rod right end nut, a steel rod left end nut, a steel rod, an SMA disc spring group, a triangular steel plate and a pier top connecting plate. The triangular steel plate is connected with the pier top connecting plate, a round hole is formed in the upper portion of the triangular steel plate, the limiting baffles are connected with the beam bottom connecting plate, the limiting baffles are provided with horizontal guide grooves, the SMA disc spring groups are arranged between the adjacent limiting baffles and the triangular steel plate, and the steel rod sequentially penetrates through the guide grooves of the limiting baffles, the SMA disc spring groups and the round hole in the upper portion of the triangular steel plate. And the steel rod right-end nut and the steel rod left-end nut are screwed at the thread tooth opening at the end part of the steel rod, so that the bridge transverse damper with resetting and graded energy consumption functions is formed. Under frequent earthquakes, the SMA disc spring group is used for providing energy dissipation and reset capacity, and under rare earthquakes, the triangular steel plates generate plastic deformation to dissipate earthquake energy.

This utility model discloses a gas drainage branch pipe anti-blocking and unblocking pipeline in weakly cemented coal mines, relating to the field of safe production in weakly cemented coal mines. This pipeline includes an independent borehole unblocking pipe and a tubular connecting device built into a sealing pipe and a screen pipe. The tubular connecting device connects the unblocking pipe to the external environment. The borehole unblocking pipe components include the unblocking pipe and the unblocking pipe interface. The borehole unblocking pipe is composed of a screen pipe, a sealing bag, a PVC hose, and a metal connector. Different diameters and lengths of hose can be selected according to drilling requirements. The metal connector has annular indentations to ensure a tight seal. The connecting device consists of three parts: a connecting pipe, a probe, and a ball valve. This device is quick and easy to install and can monitor the borehole flow rate and compare the gas concentration inside and outside the borehole during operation, analyzing whether the borehole leakage is due to leakage, blockage, or natural attenuation, in order to take targeted preventative measures.

The application discloses a pipe well pipe hoisting construction method and an auxiliary device, and belongs to the technical field of building construction. The method comprises the following steps: installing a load-bearing support on a pipe well side shear wall and assembling a load-bearing steel beam which is laterally cantilevered above a pipe well opening, and suspending a fixed pulley above the pipe well opening; fixing a hand-operated hoist and a guide fixed pulley on an elevator antechamber floor, so that an inclined transition path is formed between the hand-operated hoist, the guide fixed pulley and the fixed pulley; threading a steel wire rope to form a broken line type lifting path which comprises a horizontal traction section, an inclined transition section and a vertical lifting section; and winding and unwinding the steel wire rope by the hand-operated hoist, so that a movable pulley is lowered to the pipe well bottom to hang and connect a pipe and is lifted to an installation position. The application adopts an externally-hung hanging state, does not need any device to enter the inside of the pipe, and avoids damaging the inner wall of the pipe; floor operation is realized by the broken line type lifting path, and climbing to the top floor is not needed; and the combination anchoring node and the anti-pulling fixed node are used to ensure the stability of the lifting path.

This invention discloses a method for designing the composition of a limestone powder-containing TSA-resistant cementitious material for tunnel concrete, comprising the following steps: Step 1, determining the TSA erosion environment level of the tunnel structure concrete; Step 2, determining the mass dosage W of highly active cementitious material per cubic meter of concrete. CM Step 3: Determine the mass percentage R of tricalcium aluminate in the highly active cementitious material. C3A Step 4: Determine the type and composition of the high-activity cementitious material; Step 5: Determine the mass quantity (W) of stone powder used as a low-activity cementitious material per cubic meter of concrete. LS Step 6: Determine the composition and mass percentage of cementitious materials in a single cubic meter of concrete. Since all materials involved in this method are mature and widely used, they are readily available, their quality is controllable, and their indicators are easy to obtain. Furthermore, this method can provide corresponding material composition designs for different low-temperature sulfate attack environments, making it highly targeted, covering most low-temperature sulfate environments, and has broad prospects for widespread application.

The application discloses a kind of goaf filling cementitious material, filling test block and preparation method thereof, and the mass ratio of the goaf filling cementitious material is as follows: stone coal vanadium extraction tailings 50-70%, stone coal vanadium extraction neutral residue 5-20%, smelting slag 0-15%, cement clinker 10-30%, and activator 2-8%.The filling test block also includes full tailings filling material and tap water, the mass percentage of the tap water is 18-30%, and the mass ratio of the goaf filling cementitious material to the full tailings filling material is 1:12-1:4.The goaf filling cementitious material uses stone coal vanadium extraction tailings as the main raw material, can be applied to mine tailings filling nearby, helps to large-scale, stable absorption of vanadium tailings, avoids the problems caused by tailings accumulation, and has a positive effect on the green development of mine and the friendly development of mining industry and social environment.The preparation method of the goaf filling cementitious material is simple, the main raw materials used can be obtained nearby, which helps to reduce the production cost of the cementitious material.

The invention relates to a culture medium for culturing human mycoplasma pneumoniae and a culture method, and belongs to the technical field of microorganisms, the culture medium for culturing the human mycoplasma pneumoniae comprises a mycoplasma culture medium and a growth promoting additive, the growth promoting additive comprises horse serum or fetal calf serum, cholesterol, penicillin sodium and an HEPES buffer solution, according to the culture medium for culturing the human mycoplasma pneumoniae, various components are simple and easy to obtain, the preparation method of the culture medium is greatly simplified, and the efficiency is improved; according to the culture method of the human mycoplasma pneumoniae, the culture mode is changed from a static state to a dynamic state, so that the culture efficiency of the human mycoplasma pneumoniae is improved, and meanwhile, the thallus yield of the human mycoplasma pneumoniae is also improved; the culture method for preparing the human mycoplasma pneumoniae is short in period, low in cost, high in culture viable organism density and high in yield, and is suitable for large-scale culture of the human mycoplasma pneumoniae.

The utility model belongs to the field of building engineering, concretely relates to a kind of converter station firewall frame body fixing device.aims at solving the problem that firewall construction frame body is not fixed in prior art, and pre-buried steel pipe method is not applicable.The utility model includes: fastening screw rod, fixed plate, steel pipe and fastener;One end of the fastening screw rod is fixedly connected with one end of the steel pipe;The other end of the fastening screw rod passes through the hole of the preset fireproof wall, and is fixed on the fireproof wall by the fixed plate and fastener;The other end of the steel pipe is detachably connected with construction frame body by the fastener.The utility model makes construction frame body not be influenced by load, concrete pouring and vibrating, so as to ensure the strength and safety of frame body, and reduce safety hazard.

The application discloses a tissue culture method using maple zygotic embryos as explants and relates to the technical field of plant tissue culture.The method comprises the following steps: S1, cutting the zygotic embryos of immature maple fruits and inoculating the zygotic embryos onto a callus induction culture medium to induce callus; S2, transferring the callus induced in S1 to a bud induction culture medium to induce adventitious buds; and S3, inoculating the adventitious buds formed in step S2 into a strong seedling rooting culture medium to induce rooting, directly forming regenerated seedlings and carrying out transplanting culture.Compared with the culture methods using other maple tissues as explants, the method is more convenient, has higher genotype universality and is more efficient in propagation.

The utility model discloses a kind of architectural design seismic structure, including building base and architectural design model, the building base upside rotation is equipped with shock-absorbing pool, the shock-absorbing pool and building base are driven and connected with motor by gear set, the shock-absorbing pool inside is equipped with shock-absorbing plate, and architectural design model is fixedly arranged on the middle part of shock-absorbing plate, shock-absorbing pool inner wall is equipped with liquid level sensor, shock-absorbing pool outside is equipped with water inlet pump by water inlet pipe, and the signal output end of liquid level sensor and the controller signal input end of building base are electrically connected, the utility model by injecting a certain amount of water body into shock-absorbing pool, architectural design model is fixedly arranged on the middle part of shock-absorbing plate, when external force acts on architectural design model, utilize water to disperse and absorb energy by flowing, reduce direct impact on object, shock-absorbing effect is better, and structure is simple, material is convenient, and it is convenient to overhaul and maintain.

The invention discloses an early warning evaluation method based on canceration caused by pulmonary nodule immune microenvironment imbalance, which comprises the following steps: S1, acquiring autoantibody detection data of normal, pulmonary nodule and lung cancer people from a database, and establishing a pulmonary nodule canceration data set Panne l containing 159 autoantibodies as risk early warning factors of pulmonary nodule canceration; s2, preparing a lung cancer risk factor Panne l protein chip according to the Panne l data, wherein the lung cancer risk factor Panne l protein chip comprises antigen proteins of 159 lung cancer related autoantibodies; s3, using a Panne l protein chip to detect the serum of the crowd; and S4, according to the detection data, establishing a risk early warning model of pulmonary nodule canceration for the analysis and early warning of the lung cancer occurrence risk of the crowd (mainly aiming at the pulmonary nodule crowd). According to the method, the cancer related autoantibodies are systematically detected through a protein chip method for people with high detection rate of pulmonary nodules in China, and the method is used for early warning of the occurrence risk of pulmonary nodule immune abnormality canceration of people.

This invention belongs to the field of tailings dam management and ecological restoration technology, specifically involving an integrated device for tailings dam expansion, collapse prevention, and intelligent ecological restoration based on layered drainage. The device includes drainage pipes, permeable fabric, and planting trenches. The drainage pipes are installed inside the tailings dam. One end of the drainage pipe has multiple seepage holes on its upper outer wall, located within the tailings dam. The other end is inserted into the dam body, with the outlet located on the outside of the dam. The drainage pipes are deployed in layers, with several pipes spaced at the same height, and several layers of drainage pipes are arranged vertically along the dam body. The permeable fabric wraps around the end of the drainage pipe located inside the tailings dam. Planting trenches are located on the dam body below the outlet of the drainage pipes, with a corresponding planting trench below each layer of drainage pipes. This device has a simple structure, low cost, and strong adaptability, achieving synergistic advancement of expansion, collapse prevention, and ecological restoration. It is suitable for the management and renovation of various types of tailings dams.

The present application relates to a kind of efficient regeneration method with the larch of north China as explant, the method comprises the following steps: sowing, disinfection, induction culture, elongation culture, rooting culture, seedling and transplanting.According to the technical scheme provided by the present application, the medium with specific formula is used, so that the larch of north China shows significant advantages in the process of propagation: high differentiation efficiency, large proliferation coefficient, good rooting rate.In addition, the method also has the characteristics of short plant growth cycle, strong adaptability after transplanting and the like.The seedling after cultivation presents the characteristics of robust and straight, good growth and uniformity.The technical scheme of the present application significantly reduces the seedling culture period, effectively reduces the production cost.By establishing the adventitious bud induction system with the larch of north China as starting material, and successfully obtaining regenerated plant, a new technical approach is provided for the rapid propagation of the larch of north China.Meanwhile, the present application also lays the foundation for the future establishment of efficient larch of north China transgenic system.

The present application relates to a kind of monocotyledon green wisteria rapid propagation method, using the characteristics of green wisteria specific tissue cell totipotency, under open condition, using liquid medium to induce green wisteria specific site of in vitro leaf split differentiation, produce regenerative root and regenerative bud, finally form plant.The present application aims at the rapid propagation method of green wisteria leaf, without sterile environment, convenient to take material, easy to operate, low in cost, short in period, high in survival rate, with the advantages of high efficiency, economy, easy to scale, factory, etc., in green wisteria rapid seedling, specific material preservation and propagation has greater application value.

The application provides an anchoring type pile foundation beam gravity retaining dam structure, relates to the geological disaster prevention engineering technical field, and is suitable for debris flow prevention engineering under high and steep slope or soft foundation conditions. The structure comprises a dam body, a beam, an anti-slide pile, a continuous beam and a prestressed anchor cable system. The dam body is a cast-in-place structure and is arranged on the beam, the beam is connected with the anti-slide pile, the top of the anti-slide pile is transversely connected through the continuous beam to form an integral force structure, anchor holes are pre-set in the beam, the prestressed anchor cable system is arranged in the anchor holes and is connected with the foundation to make the dam body, the beam, the anti-slide pile and the foundation bear force cooperatively. The structure can reduce the excavation amount, improve the overall stability, the anti-slide capacity and the anti-overturning capacity of the retaining dam, and enhance the structural rigidity, and is suitable for complex geological conditions such as rock, soil and composite stratum.

The invention belongs to the technical field of zinc smelting leaching residues, and particularly relates to a method for in-situ solidification and stabilization of zinc smelting leaching residues before landfill, which specifically comprises the following steps: crushing the zinc smelting leaching residues, adding electrolytic aluminum desulfurized lime slags and industrial-grade lime, uniformly stirring and mixing at room temperature, and solidifying and stabilizing. According to the method, an in-situ treatment mode is adopted, only simple pretreatment is needed in operation, electrolytic aluminum desulfurization lime slags and industrial-grade lime are added according to a proper proportion, stirring is conducted at the room temperature, the process is simple, complex equipment and harsh conditions are not needed, materials are convenient to take, and the method can meet the large-scale zinc smelting leaching slag treatment requirement.

The invention provides a formula for treating baby diaper dermatitis, which comprises the following components by weight: 400ml-600ml of sesame oil and 20g-30g of licorice root, the licorice root oil designed by the invention belongs to a traditional Chinese medicine preparation, and has the advantages of convenient material taking, simple preparation, high safety, no adverse reaction, obvious effect, simple use and operation, good comfort of sick children, and low cost. The cost of family members of the child patient is reduced, national recessive resources are indirectly saved, the national traditional Chinese medicine culture is greatly promoted, and pediatric nursing with traditional Chinese medicine characteristics is shown.