32results about How to "Reduce construction labor costs" patented technology

The invention provides a quick installation method for fully-mechanized coal mining equipment of a fully-mechanized coal mining face. The quick installation method comprises the following steps that 1, preparation work is conducted; and 2, equipment installation is conducted, and the specific steps comprise that 21, scraper installation is conducted, specifically, a system winch is used for hitting and conveying a scraper chute car to the position of an upper-opening four-corner-channel, and then a cut-hole opposite-pull winch is used for hitting and conveying the scraper chute car to a corresponding position of installation; and then a hydraulic crane is utilized to hoist the chute car to be separated from an installation forklift, after the installation forklift is hit away, the crane continues to hoist and rotate, and the chute car is installed to be in place; and 22, installation of hydraulic supports is conducted, specifically, after hitting, conveying and installing of a working face scraper and a coal machine are completed, a cut-hole upper-opening winch is used for hitting and conveying a hydraulic forklift to pass a four-corner channel to be parked in front of the winch, the hydraulic forklift is parked to be stable and hidden to be compact, and it is ensured that a support car can be smoothly hit and conveyed to the four-corner channel; and then the hydraulic supports are installed sequentially. The fully-mechanized coal mining face equipment is installed and dismantled by using mechanized equipment, the labor intensity of employees is relieved, the working efficiency is further improved, and a future development direction of installation and demolition of fully-mechanized coal mining equipment is pointed out.

The invention discloses a preparation method of a bondable polyfluortetraethylene plate anti-corrosion lining. The preparation method comprises the specific steps that a polyfluortetraethylene plate is grinded with abrasive paper, is cleaned with acetone and is put into a mixed solution of sodium, naphthalene and tetrahydrofuran for surface activation treatment; the surface of the treated polyfluortetraethylene plate is coated with an epoxy resin pre-coated adhesive to obtain the treated polyfluortetraethylene plate instant to adhere; then, a steel plate and the polyfluortetraethylene plate are superposed and bonded together through an epoxy hot-melt adhesive, and the anti-corrosion lining is obtained after curing is performed for 24 hours. Due to the fact that a preparation process is simple, the construction is easy, the labor costs for construction is low, the raw materials are easy to obtain, the price is relatively cheap, and the obtained polyfluortetraethylene plate anti-corrosion lining has the advantages of high bonding tensile strength, short drying time, high in bonding stability, excellent physical and chemical properties and the like, and is expected to replace a most often used glass fiber reinforced plastic lining.

The invention discloses a wall panel component and a preparation method thereof. The wall panel component comprises a substrate and a plurality of wall panels. The substrate comprises a front face and a back face, and a first side and a second side which are far away from each other. The first side and the second side of the back face are respectively fixed with a first male buckle and a first female buckle, wherein the first male buckle is suitable for the first female buckle. The left side and the right side of the back face of each wall panel are respectively fixedly adhered with a second male buckle and a second female buckle; the second male buckle is suitable for the second female buckle, wherein the second male buckle and/or the second female buckle is fixedly connected to the front face of the substrate, the second male buckle and the second female buckle of every adjacent left and right wall panels are fastened, such that the wall panels are in split joint and fixedly arranged on the front face of the substrate.

The invention discloses an installation method of overlength thin-wall flow guiding wall templates. The installation method includes the following steps of 1, carrying out processing on the templatesaccording to design standards; 2, conducting baseplate pouring operation after previously poured wall concrete is subjected to rough chiseling, an then utilizing a movable scaffold platform to installwall reinforcing steel bars and the templates; 3, carrying out pouring of a concrete wall body in the concrete templates; 4, after pouring is finished, detaching the templates after the concrete strength reaches final strength. By adopting the method above, the construction speed is higher, the efficiency is higher, the cycle period of the wall body is effectively shortened, the construction progress is accelerated, and the manpower cost for construction is saved.

The invention discloses a construction method of a full-prefabricated assembly type concrete freight transport suspension type monorail structure. The method includes the steps that required prefabricated parts are prefabricated and machined and comprise prefabricated raft foundations, prefabricated hollow concrete piers, prefabricated concrete crossbeams and prefabricated concrete track beams; asoil layer in the installation positions of the prefabricated raft foundations is compacted; all the prefabricated parts are transported to a construction site; all the prefabricated raft foundationsare fixed to a treated foundation; each prefabricated raft foundation is provided with the corresponding prefabricated hollow concrete piers and connected with the corresponding prefabricated hollow concrete piers through sleeves in a grouting mode; each prefabricated concrete crossbeam is erected on the corresponding pair of the hollow concrete piers, and each pair of the hollow concrete piers and the corresponding prefabricated concrete crossbeam are connected through plugs; and the corresponding prefabricated concrete track beams are installed on the two sides of each prefabricated concretecrossbeam, each prefabricated concrete crossbeam and the corresponding prefabricated concrete track beams are connected through bolts, and therefore installation of the monorail structure is finished.

The invention discloses a releasing device for cable laying in a tunnel and a using method thereof. The device comprises a right triangle frame structure, a cable pulley and a cable feeding angle adjusting structure, wherein the cable pulley is arranged on the bevel edge of the right triangle frame structure and used for transporting a cable; the cable feeding angle adjusting structure is arrangedat the junction of the bevel edge and the vertical edge of the right triangle frame structure and used for adjusting the horizontal angle of the tail end of the cable and guiding the cable to a cablerack; the right triangle frame structure comprises telescopic rods; the telescopic rods are arranged on the bevel edge and the vertical edge of the right triangle frame structure respectively and areused for adjusting the height of the releasing device. According to the releasing device, all the components are detachably connected, assembling difficulty is low, and working efficiency can be effectively improved; meanwhile, the upper end of the cable feeding angle adjusting structure is movably connected, only the weight of a small section of cable is borne in the using process, borne load issmall, and the risk of rollover of a cable laying vehicle is avoided.

An unreinforced steel-UHPC composite deck structure comprises a UHPC bridge deck, an orthotropic steel bridge deck and a connecting bolt, and that main part of the UHPC bridge deck is not provided with stress reinforcement and structural reinforcement. When the UHPC bridge deck is cast in-situ in sections, the joint part adopts a keytooth bite joint or a flat joint with close reinforcement, and the keytooth bite joint is matched with a metal corrugated sleeve and a joint thread steel bar. The invention also discloses a construction method of the composite bridge deck structure. This steel-UHPCcomposite bridge deck structure is simple, which significantly reduces the raw material cost of composite bridge deck structure, reduces the construction human cost, and shortens the construction period, and the overall bearing capacity and fatigue resistance of bridge deck meet the stress requirements. the unreinforced steel-UHPC composite bridge deck structure is suitable for fatigue strengthening of orthotropic steel bridge deck and rigid deck paving of new steel bridge.

The invention discloses an air exhaust type drainage device for a low-permeability-coefficient water-rich foundation pit and a construction method. The air exhaust type drainage device comprises a drill bit and an outer pipe arranged outside an inner pipe in a sleeving mode; a positioning groove is formed in the periphery of the top end of the drill bit and internally provided with a rubber lining; the air exhaust type drainage device further comprises water seepage holes formed in the lower half pipe body of the inner pipe; and a water suction hose is arranged in the inner pipe, the lower end of the water suction hose is coiled in a downwards-sunken arc-shaped groove in the upper end face of the drill bit, and the upper end of the water suction hose penetrates through a hose hole in the side wall of the top of the inner pipe and then is connected with a small water pump. The construction speed is high, drainage is conducted from the peripheral side of the foundation pit through mounting holes, and the influence on the foundation pit is avoided; a negative pressure state is created in the inner pipe in an air suction type drainage mode, the device is suitable for drainage of a soil layer with a low permeability coefficient and is also suitable for foundation pit soil layers under other working conditions, and the universality is high; and meanwhile, the cost is low, a constructor does not need to watch at any time, the construction labor cost is saved, and high economic benefits are achieved.

The invention relates to a transferring, weighing and feeding device and a distribution system. The device comprises: a support which is provided with a material receiving end and a material discharging end; a carrying trolley which is movably arranged on the bracket and can reciprocate between the receiving end and the unloading end; a hopper arranged on the carrying trolley, wherein a door opening and closing mechanism capable of being opened and closed is arranged at a discharging opening of the hopper; a weighing sensor arranged between the carrying trolley and the hopper; a door opening executing mechanism arranged at the discharging end and used for opening the door opening and closing mechanism; and a door closing execution mechanism arranged on the bracket and used for closing the door opening and closing mechanism. The transferring, weighing and feeding device has the functions of automatic weighing, automatic transferring, automatic discharging and the like, manual participation is not needed in the whole process, and the construction labor cost can be greatly reduced.

The invention discloses a bathroom floor and a manufacturing method thereof. The defects of low manual tile fixing efficiency, long period, high labor cost, difficult quality guarantee and working environment unfavorable to body health of a traditional bathroom are overcome, and the problem that common whole bathroom floor in the prior art are non-heat-preservation and non-sound-insulation and tiles fixed on the surface easily drop are solved. A whole bathroom frame foaming tile floor consists of a reinforced frame, a polyurethane foaming material and tiles. The reinforced frame is made of a polyester laminar film plastic or glass reinforced plastic of a composite material having certain strength. The reinforced frame is provided with a plurality of grooves corresponding to and matched with the tiles. The sunken bottom faces of the grooves are inclined faces located in one plane so as to form a certain inclination face for water draining on the floor surface fixed with the tiles. The sunken bottom faces of the grooves are higher than the bottom face of the reinforced frame. The reinforced frame is provided with a dropping water groove facilitating water draining of the bathroom.

The invention discloses an integrated composite wall decorative building block and a construction method thereof. The decorative building block comprises a finish coat and a brick body, the finish coat and the brick body are formed by integrally mixing foaming cement and ceramic particles, the finish coat is integrally formed on the front face of the brick body through foaming, a longitudinal splicing groove is formed in one of the left side and the right side of the brick body, a longitudinal splicing protruding strip is formed in the other of the left side and the right side of the brick body and corresponds to the longitudinal splicing groove, a horizontal splicing groove is formed in the bottom face of the brick body, a horizontal splicing protruding strip is formed on the top face ofthe brick body and corresponds to the horizontal splicing groove, and a cross groove is formed in the back face of the brick body; the finish coat and the brick body of the decorative building block are formed integrally, and have the advantages that the finish coat never falls off, aging and corroding are resistant, anti-permeability is high, the weight is small, and the properties of heat preservation and sound insulation are good; according to the construction method, high efficiency and rapidness are realized, and construction and labor costs are low.

The invention discloses a decorative panel with sound insulation function, which comprises an outer panel, an inner panel, a groove, a bump, a bolt hole, a clamp block, a clamp slot, a solid block and a sound insulation panel. The invention has a simple structure and ensures the stability of its connection structure. The sound insulation board can directly remove external noise. One end of the inner plate is provided with a groove and the other end is provided with a bump. The groove can form a closed inner panel for the end-to-end connection of the protrusions, which is conducive to rapid sound insulation and has a good sound insulation effect. A variety of colors and shapes can be selected for combination to coordinate with the surrounding environment to form a beautiful landscape. Prefabricated construction improves work efficiency, shortens construction time, and saves construction and labor costs. Installed in parallel with other products, easy to maintain and update. Using ultra-fine glass wool, because of its high melting point, non-flammable, fully meet the requirements of environmental protection and fire protection regulations.

The invention discloses an anti-peeling thermal insulation material, and a construction method thereof. The anti-peeling thermal insulation material comprises 0.8 part of a component A and 1.0 part ofa component B; the component A comprises water, X-405 alkylphenol polyoxyethylene wetting agent, glycol, BIT bactericide, an aerogel, and a dodecanol film forming auxiliary agent; the component B comprises a cement inorganic coagulant, S18 glass micro bead, anti-cracking fiber, low temperature anti-cracking argil, filling material 200 mica powder, water retention methyl cellulose, and a cement dispersant water reducer. According to a preparation method, organic inorganic adhesive material combination is adopted, so that an obtained product possesses inorganic material durability and rigidity.Adoption of the anti-peeling thermal insulation material and the construction method are capable of reducing construction worker labor cost, saving materials, and shortening machinery construction period. Cold and hot shrinkage cracking safety problems are solved, rigidity and flexibility combination is realized, the durability is better, and product is capable of reaching A flame resistance grade.

The invention relates to a drill tail exhaust screw, and belongs to the technical field of water circulation systems and equipment. The drill tail exhaust screw solves the technical problems that whenan exhaust unit is added to a pipe network in the later period, the technological process is complicated, workload is high, cost is high and water resource waste easily occurs. As one solution, the drill tail exhaust screw comprises a drill tail screw, a sealing gasket and a conical exhaust screw body. An annual sealing gasket groove is formed in the bottom face of the head portion of the drill tail screw in the circumferential direction of the top of a threaded rod. The sealing gasket is disposed in the annual sealing gasket groove. An exhaust passage is formed in the threaded rod of the drill tail screw in the direction of central axis. A threaded hole matched with the conical exhaust screw body is formed in the head portion of the drill tail screw body in the direction of central axis.A conical port is formed in the bottom of the threaded hole. The bottom of the threaded hole communicates with the top of the exhaust passage. The conical exhaust screw body is disposed in the threaded hole. The bottom of the conical exhaust screw body is matched with the conical port. The drill tail exhaust screw has the advantages of being reasonable in structural design, safe to use, easy andrapid to operate and the like.

The invention discloses large-size embedded part carrying and mounting equipment in a narrow and small space of a pipe gallery. The large-size embedded part carrying and mounting equipment comprises a movable base; a bearing platform is installed above the movable base in a lifting mode, and a through groove is formed in the upper portion of the bearing platform; a sliding part is used for placing a large embedded part and is arranged in the through groove in a sliding manner; a pulling rope assembly is obliquely pulled between the sliding part and the upper portion of the embedded part, after the embedded part is placed on the sliding part, the length of the pulling rope assembly is adjusted, and the embedded part is made to turn towards the pulling rope assembly with the lower portion of the embedded part as a fulcrum. The problem that the embedded part of the underground comprehensive pipe gallery is low in embedded installation efficiency is solved.

The invention relates to a prestressed hollow plate of bundling type filling boxes and a manufacturing method thereof, and belongs to the field of general building construction. Viewed from the cross-sectional view, the hollow plate comprises rib beams (1), a top flange (2), a bottom flange (3) and the bundling type filling boxes (4), wherein concrete (5) needs to be poured at the parts of the ribbeams, the top flange and the bottom flange. The prestressed hollow plate is characterized in that each group of bundling type filling boxes are formed by clinging at least two rows and at least twocolumns of filling boxes (6) in the plane, longitudinal reinforcing steel bars (7), prestressed ribs (8) and stirrups (9) are arranged in the rib beams, and at least two mutually perpendicular plate ribs (10) are arranged in each of the top flange and the bottom flange. The prestressed hollow plate of the bundling type filling boxes is particularly suitable for a large-span and large-load hollow floor system, has good economical efficiency and applicability, and promotes the development of the building technology.