78results about How to "There will be no collapse" patented technology

A process for preparing the organic aerogel and its carbon aerogel includes such steps as reaction between resorcin, formaldehyde, organic surfactant and catalyst in water, thermal solidifying to obtain organic gel, natural cooling or baking to obtain organic aerogel, and charring in inertial gas to obtain carbon aerogel.

The invention relates to bi-components for manufacturing polyurethane sole materials, wherein the raw material formula of a polyol component comprises polyester polyol, micromolecular polyol as a chain extender, a catalyst, a foaming agent and a foam homogenizing agent, wherein the foaming agent comprises water and azobisisobutyronitrile; the polyester polyol comprises polyglycol diethylene glycol sebacate polyol and polyglycol diethylene glycol succinate polyol; the micromolecular polyol is glycol; the catalyst is triethylene diamine; and the foam homogenizing agent is dimethyl siloxane. In the polyol component, the azobisisobutyronitrile and water are used together as the foaming agent, and the special combination of the polyester polyol, the chain extender, the foam homogenizing agent, the catalyst and the like is adopted, thus the problem of surface crusting of the polyurethane sole materials can be better solved; the surface of a manufactured sole is smooth, and the edges of the sole have thicker crusts to prevent the currency of sagging; and moreover, the sole has good and uniform elasticity and is soft and comfortable.

The invention discloses a city road rainwater recovery system and a method thereof. The recovery system comprises a soil-retaining frame, a bioretention zone, an ecological trench, a reservoir, a catchment main pipe, an adsorption pool, a water purification assembly, and an elevator pump, the water purification assembly is connected with the elevator pump, the catchment main pipe and the water purification assembly are communicated with the reservoir, an overflow well is arranged in the ecological trench, a filter sieve plate is arranged in the overflow well, sieve apertures are uniformly distributed on the filter sieve plate, and the bioretention zone is arranged in the soil-retaining frame. The method comprises the following steps: a) draining along a transverse direction; b) draining along a vertical direction; c) extraction and utilization; and d) regular maintenance. Through draining along the transverse direction and the vertical direction, the road draining speed is accelerated,the water amount accumulated on the road surface is reduced, appearance of a flood peak is avoided, waterlogging in the city can be effectively controlled, the rainwater can be filtered layer by layer and purified, and is stored in the reservoir, then the rainwater is lifted to ground through the elevator pump, secondary usage is carried out, and waste can be changed to valuables.

The invention discloses a convenient and fast hydraulic support lifting device. The convenient and fast hydraulic support lifting device comprises two I-steel beams, wherein the upper parts of two ends of each I-steel beam are provided with fixed pallets, and the bottom of each I-steel beam is provided with two lifting ears which are symmetrically distributed. The convenient and fast hydraulic support lifting device is additionally provided with a pushing jack, wherein a telescopic part of the pushing jack is downward, the end of the telescopic part of the pushing jack is provided with a hook-headed pin hole, the hook-headed pin hole is connected with a lifting hook head, the top of the pushing jack is provided with a fixed seat, the fixed seat is provided with pin holes, through pins of the lifting ears pass through the pin holes, and a fixed ear of the pushing jack and the fixed seat are connected with each other through a fixed pull rod. The convenient and fast hydraulic support lifting device adopts the structure that the pushing jack is connected to the I-steel beams to enable the pushing jack to be used as a lifting tool, so that in the whole lifting process, a fixed 6.8-ton support can be lifted through a control button only by a driver skilled in an emulsion pump, and the convenient and fast hydraulic support lifting device is convenient in operation, saves a large number of human resources, and is safe and reliable.

The invention discloses a gabion retaining wall construction method applied to bank slope protection. The method comprises the steps of (a) excavation of a foundation pit, (b) reinforcement of the foundation pit, (c) gabion rock filling, (d) backfilling, (e) afforesting and (f) monitoring and measurement. The method includes few construction procedures and is convenient to operate, low in cost, high in environmental affinity, high in overall construction efficiency and easy in quality and safety control, the construction progress can be accelerated through cooperation of manpower and machinery, the good economic benefit can be obtained, and the method is suitable for more projects, has the broad application prospect and is worthy of popularization and application.

The invention discloses an automatic cutting device for producing and processing a plate material through a mold. The automatic cutting device comprises a first platen and a second platen, a dovetailgroove is formed in the middle position of the upper surface of the first platen, the upper end of the dovetail groove is provided with a second cylinder fixed to the upper end of the first platen, and one end of the second cylinder is connected with a clamping piece. Support frames provided with limiting grooves in the middle portions are fixed to the upper ends of the first platen and the secondplaten, linear electric cylinders are fixed to the side ends of the support frames, I-shaped bodies are fixed to the side ends of electric cylinder sliders, the upper ends of the I-shaped bodies arefixedly provided with cutting mechanisms. After cutting is completed, transverse positioning disappears, longitudinal positioning does not change, the plate material does not collapse, and the personal safety of an operator is not threatened; and meanwhile, when the width of the cut plate material needs to be changed, the position of a fastening nut is adjusted, the appropriate distance between acutting wheel and a clamping plate is obtained through measurement, the desired width of the plate material after cutting is obtained, and operation is convenient.

The rehabilitation and storage method for large scale sea fishes dry specimen is proceeded with the cleaning of the specimen, unsaturated epoxide resin to stick the incomplete position, polishing the notch, stuffing the inside with PVC aggregates, using unsaturated sticking the notch, making up the color, and lubricating it. This method is easy in rehabilitation, with easy preservation, firm and elegant.

The invention discloses a dust collector filtering bag component and a cloth bag dust collector. The dust collector filtering bag component comprises filtering bags and a cage framework, wherein the filtering bags comprise an external filtering bag body, an inner filtering bag body and a connecting bag body, so that four cylinder-shaped filtering surfaces are formed; the cage framework comprises an upper flange cylinder, an outer support rod, an inner support rod and an inner sleeve rod; the outer support rod is inserted between the external filtering bag body and an outer connecting bag wall; the inner support rod is inserted between the inner filtering bag body and an inner connecting bag wall; a circular pressing plate is fixed at the upper end part of the inner sleeve rod; the upper end of the inner sleeve rod penetrates through the inner sealing plate and is fixed through a screw nut; the pressing plate is matched with an inner sealing plate part to press the upper sealing part of the inner filtering bag body; the lower end of the inner sleeve rod is bent upwards to form a support rod section; the support rod section is used for supporting the inner connecting bag wall of the connecting bag body. Compared with a conventional filtering bag component, the dust collector filtering bag component has the advantages that the filtration area is increased and the filtration efficiency is improved.

The invention provides a highway municipal guardrail and a construction method thereof. The guardrail comprises a base, a frame, a grid unit and an anti-collision unit. The guardrail can solve the problems that existing guardrails are easy to collapse, the fixed guardrails are most poured with cement so as to be inconvenient to move, and the guardrail which is damaged due to traffic accidents is inconvenient to replace; protective nets of the guardrails used for a long time can be damaged, the damaged guardrails need to be replaced integrally, replacement is troublesome on the other hand, andthe replacement cost is high on the other hand; and in addition, the existing guardrails are made of steel materials, and the damage to automobiles and the damage to drivers and passengers caused by collision between the automobiles and the guardrails are very large.

The invention relates to food processing equipment, and especially discloses a caterpillar-type lotus seed shellershelling machine. A bearing base support and a driving motor is installed under the front end of the machine frame, a driving shaft is installed on the bearing base support, one end of the driving shaft is connected to the driving motor, and a synchronous belt is installed on the driving shaft; and the caterpillar-type lotus seed shellershelling machine comprises at least one shelling mechanism. The caterpillar-type Lotus seed shellershelling machine has the following advantages: the shellershelling machine is capable of controlling cutting depths into the lotus seed shells as well as effectively fixing the lotus seeds according to different sizes of the lotus seeds; moreover, the shellershelling machine is capable of carrying out high-efficiency shelling operations on the lotus seeds of various sizes without encountering the phenomenons of failed peeling or broken lotus seeds, so that the qualities of the shelled lotus seeds are improved. In addition, the caterpillar-type lotus seed shellershelling machine is safe and reliable in operations, as well as not easy to leak; two sets of shelling mechanisms are combines, so that the production efficiency is greatly improved and the floor area is reduced. The caterpillar-type lotus seed shellershelling machine is suitable for large-scale, automatic and high-quality lotus seed shelling operations in lotus-seed processing enterprises.

The invention discloses a T-shaped self-support structure suitable for curved surface friction stir welding, and relates to the technical field of friction stir welding of curved surface metal structures. The structure comprises a ribbed plate, a profile curved surface plate and two chamfering angles; the curvature and the length of the profile curved surface plate are the same with the curvatureand the length of a curved surface cover plate; the width of the profile curved surface plate is higher than and equal to the shaft shoulder diameter D of a stirring head; the top end surface of the ribbed plate is fixedly connected to the inner side concave surface of the profile curved surface plate; the extension line of the center line of the ribbed plate passes through the highest point of the profile curved surface plate; the two chamfering angles are both fixedly connected with the ribbed plate and the profile curved surface plate; and the radiuses (FORMULA) d of the chamfering angles are the thickness of the ribbed plate. The profile curved surface plate fitted with the inner side concave surface of the curved surface cover plate and the chamfering angles are additionally providedon the ribbed plate, so that assembly fit gaps are greatly reduced; and through the chamfering angles, enough materials are supported under a shaft shoulder of the stirring head in the welding process, the axial top forging force can be smoothly transferred to the ribbed plate during welding, and the complexity of needing additional tools to support the back part under the shaft shoulder is prevented.

The invention discloses a two-phase high-efficiency extraction method of eucommia ulmoides gum. The method takes any one or two or more of eucommia ulmoides leaves, eucommia ulmoides bark and eucommiaulmoides samara peel as the raw materials, and comprises the following steps of: mixing the raw materials with an inorganic compound aqueous solution with a mass fraction of 1-15%, adding an organicsolvent into the mixed solution to form a water phase-organic phase two-phase system, and performing heating and stirring on the two-phase system at a temperature of 50-110DEG C; and after heating isfinished, collecting the organic phase, and separating the eucommia ulmoides gum from the organic phase to obtain the eucommia ulmoides gum. According to the method, lignin in cell walls in the raw materials is decomposed through the inorganic compound aqueous solution, the permeability of cells is improved, dissolution of gum substances in the cells is accelerated, and high-purity eucommia ulmoides gum can be obtained in an environment-friendly mode.

The invention discloses a conveying device used for food processing and being convenient to operate and maintain. The device comprises a frame, two fixing bases are symmetrically and fixedly installedat the bottom of the frame, motor bases are fixedly installed on the outer sides of t two ends of the frame, horizontal adjusting grooves are formed in connecting positions of the motor bases and theframe, and the adjusting grooves are symmetrical up and down. A plurality of plates are spliced to replace a traditional conveying belt to convey foods, so the cleanliness is high, and food contamination is reduced; the plates are of a detachable structure, the plates can be disassembled in a targeted mode, then the internal of the device is maintained, so later maintenance is facilitated, production and machining are facilitated; and the whole structure is simple, so the cost is low, the overall stability is extremely high, operation is easy, the plates 12 can be cleaned conveniently in theworking process, and later device maintenance is facilitated.

The invention discloses a benzene board concrete floor block and a manufacture method thereof. Each outer surface of the benzene board is coated and bonded with a concrete layer which is provided with a fiberglass mesh in the middle thereof. The concrete layers of each two adjacent surfaces are seamlessly adhered to form an overall block having an inner core of the benzene board and an outer layer of the concrete layer. The manufacture method thereof includes firstly, coating a first layer of concrete on a wood board, laying and bonding the fiberglass mesh on the first layer of concrete, coating a second layer of concrete on the fiberglass mesh, and then bonding the benzene board with the top surface downwards onto the second layer of concrete; secondly, coating the concrete which is added with the fiberglass mesh on each lateral side of the benzene board; thirdly, coating the concrete layer which is provided with a fiberglass mesh at the bottom of the benzene board; fourthly, drying and maintaining until solidification and drying of the concretes of the outer layer are achieved. The benzene board concrete floor block has the advantages of high strength, solid durability, light weight, energy-saving insulation and manufacturing and constructional simplicity.

The invention relates to a foundation pit supporting structure and a construction method thereof. The foundation pit supporting structure comprises a B-class cast-in-place pile, a first reinforced concrete support, a second reinforced concrete support, a bottom plate, a cast-in-place bored pile and a latticed column. The B-class cast-in-place pile is vertically arranged in a foundation pit, the first reinforced concrete support and the second reinforced concrete support are horizontally arranged and sequentially connected with the B-class cast-in-place pile from top to bottom, the cast-in-place bored pile is vertically arranged, the top end of the cast-in-place bored pile is connected with the bottom plate, the latticed column is fixedly arranged on the cast-in-place bored pile, and an inclined throwing support is arranged between the bottom plate and the first reinforced concrete support. According to the foundation pit supporting structure, by arranging the inclined throwing support,the strength and stability of the whole supporting structure can be effectively improved, and it is guaranteed that no soil collapse phenomenon occurs; the latticed column can play a role in supporting the first reinforced concrete support and the second reinforced concrete support, so that the foundation pit is more stable; and the inclined throwing support is fixedly connected with the bottom plate and the pond wall of a storage pond through reinforced concrete brackets, so that the foundation pit is more stable.

The invention provides a metal screw cap, a zip-top can and a manufacturing method of the metal screw cap, and relates to the technical field of packaging containers. The metal screw cap comprises a screw cap body, a channel used for liquid to flow out is defined by the inner wall of the screw cap body, the screw cap body comprises a threaded part, an arc-shaped part and an edge folding part, thearc-shaped part is provided with a plurality of arc-shaped sections connected end to end, at least two arc-shaped sections are different in radius, the threaded part is used for being in threaded sealing connection with a cap body, and the edge folding part is used for sealing of the edge folding part and a flanging of the can body in a coiled mode. The metal screw cap with the threaded part is arranged, so that the zip-top can can be sealed again after being opened, liquid in the zip-top can can be prevented from being polluted or wasted, when the arc-shaped sections are formed by the arc-shaped part of the metal screw cap by adopting a stamping mode or when the zip-top can is filled with the liquid with certain pressure, the metal screw cap can keep good stability, and therefore the yield of the zip-top can can be advantageously increased.