340results about How to "Reduce construction intensity" patented technology

The invention provides a modularized box type charging and battery swapping station used for replacing a battery of an electric car. The charging and battery swapping station comprises a central monitoring room 1, a battery swapping robot 2 and a charging and battery swapping box 3, wherein the central monitoring room 1 is used for monitoring the charging and battery swapping station, the battery swapping robot 2 is located between the charging and battery swapping circuit 3 and the electric cars provided with batteries to be replaced, and the battery between the electric cars provided with batteries to be replaced can be replaced; and a battery storage rack 301, a battery charger cabinet 302, a monitoring cabinet 303, a distribution cabinet 304, a temperature control system 305 and an access path 306 are arranged in the charging and battery swapping box 3. The modularized box type charging and battery swapping station, provided by the invention, has the advantages of strong adaptability, flexible configuration and expansibility, small floor space, high working efficiency, short construction period, benefit for large-scale popularization and construction, high automation degree, smaller device maintenance amount, simple structure and low fault rate.

The invention relates to a construction method of a soil covering tank for storing product oil and the like, which comprises the following steps of: (A) building a tank chamber of a soil covering tank: firstly, carrying out earth excavation with a method combining a back-acting shovel and manual excavation; then, manufacturing a ring beam, precasting concrete blocks on the spot according to the radian of the ring beam, and building the concrete blocks; carrying out the engineering of steel bars: welding steel bars by machining, and manually binding the steel bars on the spot; carrying out the engineering of templates and scaffolds: taking a bamboo plywood as a top plate template of a concrete thin shell of the tank chamber, designing a camber at the middle part, and taking scaffold tubes as bottom template brackets of the thin shell of the tank; then, carrying out concrete engineering and asphalt sand construction; and finally, carrying out waterproof engineering, thereby completing the construction of the tank chamber of the soil covering tank; and (B) installing a storage tank body of the soil covering tank: firstly, precasting the storage tank body; then, installing a tank bottom plate; installing the tank body, and welding the storage tank; and finally, testing and inspecting to complete the whole construction process of the soil covering tank after the construction is qualified. The invention reduces the occurrence of accidents, increases the benefit and reduces the dust emission.

The invention discloses a construction method of plastic acoustic pipe fixation, which comprises the following steps: first, connecting the plastic acoustic pipe as long as reinforcement cage with the major steel of reinforcement cage; second, connecting the roll end with the last acoustic pipe end and one end of joining member with the other end of acoustic pipe by binder; then, dragging the drilling; putting down the reinforcement cage; injecting water in the acoustic pipe; putting down the second reinforcement cage in connection with the former cage; connecting the acoustic pipe with the inner acoustic pipe of previous reinforcement cage by joining member and binder; filling the acoustic pipe with clean water until the last pipe according to the analogy; binding the roll end and the top of acoustic pipe by binder; finally, casting concrete. This method has the following characteristics: simple construction process; low strength construction for workers; low cost and so on, which can be set in the filling plastic acoustic pipe.

The invention provides a kind of water industrial paint which is single group multi-room cross linking. The paint uses water filming polymer as the base material, the active paint filler and the film surface modifying agent is used as the modification material, and adds in other color fillers, dispersant, antifoam agent, thickener, rot-proof and sterilization agent, filming assistant and water. The paint can form the paint film through cross linking in room temperature, it needn't heating and solidification, it has excellent film rigidity and dirt resisting performance; there can acquire three layers of film only by on time painting; the rot-proof performance is great; the construction of the product is convenient, the applied range is spread, it can upgrades the efficiency of working, saves the cost, reduces the consumption, the product has a good prospect.

The invention relates to an antiskid and ventilating epoxy floor coating, which comprises base material and powder material with weight mixture ratio of 1 portion of base material and 1-2 portions of powder material. The base material mainly comprises epoxy resin, epoxy hardener and addition agent with weight mixture ratio of 60 portions of epoxy resin, 25 portions of epoxy hardener and 15 portions of addition agent. The invention has the advantages of: 1. no formaldehyde and no VOC after curing; 2. excellent binding capacity with the base material without peeling and hollowing; 3. certain air permeability, thus being capable of avoiding phenomena such as bubbling, cracking, etc., resulted from vapor pressure; 4. high strength and excellent antiskid, wear resistant and impact resistant performances; 5. excellent corrosion resistance and water resistance; 6. certain flexibility and cracking prevention, thereby being capable of avoiding cracking to certain degree.

The invention provides a local repair system and method for a drainage pipeline. a system on the ground comprises a control system, a driving system, a draught fan and a generator set providing a power source for the system on the ground and a downhole system; the downhole system includes a CCTV pipeline inspection robot and a light-curing repairing device; the driving system drives the light-curing repairing device to move inside the pipeline and detect and diagnose the inner part of the pipeline; after breakage points are detected inside the pipeline, a signal is sent to the control system;and after the driving system drives the light-curing repairing device to move to the breakage points, the draught fan conveys the air volume to the light-curing repairing device, and the light-curingrepairing device starts ultraviolet lamps to repair the breakage points inside the pipeline in sequence. In the construction process, a trenchless mode is adopted, the automation degree is high, the strength is low, and the efficiency is high; construction on the ground occupies small space, and the safety is high; no noise and no disturbance to residents exist; the curing efficiency is high; thecuring process is controllable, and can be monitored in real time; the repairing is accurate; and the repairing operation with water is realized through the combination of normal temperature points and ultraviolet ray curing repairing.

The invention provides a bimetal composite pipe both-side welding process. The process comprises (1) preparations before welding; (2) matrix bottom seal welding; (3) carbon steel matrix thermal weld bead welding; (4) carbon steel matrix filling and cover welding; (5) anti-corrosion lining slope grinding and cleaning; (6) anti-corrosion lining overlaying. The process has the advantages of being high in welding quality, small in labor intensity, low in construction cost and high in production efficiency and particularly applicable to welding of oceaneering composite vertical pipes, liquefied natural gas low-temperature high-pressure anti-corrosion pipes, oil and gas pipes, heating furnace pipes, chemical pipes and the like and applicable to deepwater composite pipe and pressure containing welding.

A high-low pressure integrated roadway grouting reinforcement method is applicable to coal mine roadway support projects. Aiming at deformation and fracture of surrounding rocks of a roadway and fracture distribution rules, injected holes of the surrounding rocks of the roadway are subjected to grouting in sequence by means of low-pressure grouting and high-pressure grouting. The method includes: drilling a rock mass to a designed depth, installing a grouting pipe, and sealing holes with cement; subjecting the roadway surface to guniting to form a surface guniting layer; connecting pipelines, starting a grouting pump, subjecting the superficial rock mass to low-pressure grouting, increasing the grouting pressure after the diffusion range meets design requirements, and opening an expansion pipe under the action of high grouting pressure. The expansion pipe is expanded to stop grout flowing to the superficial surrounding rocks along the grouting holes, so that diffusion of the grout to the superficial rock mass is prevented. The deep rock mass is grouted by high-pressure grout through the grouting pipe to realize high-pressure grouting of the deep surrounding rocks.

The invention relates to a diversion construction method of a wide-riverbed dam type hydropower station, aiming at providing a diversion construction method of the wide-riverbed dam type hydropower station for shortening the total time limit of hydraulic power station engineering. According to the technical scheme provided by the invention, the method comprises the following steps: a, firstly building a diversion building on one side of a riverway; b, while building the diversion building, carrying out temporary cofferdam construction on a riverbed on the other side of the riverway; c, after the temporary cofferdam construction is finished, surrounding a foundation pit by a temporary cofferdam and riversides for discharging water, and carrying out construction on a large dam; d, after the diversion building has overflowing conditions, extending the upper reach and the lower reach of the temporary cofferdam to the other side of the riverway so as to form an upper reach main cofferdam and a lower reach main cofferdam; e, discharging water in the foundation pit between the upper reach main cofferdam and the lower reach main cofferdam to form a dry construction environment; and f, carrying out full-scale construction of the large dam or a factory building between the upper reach main cofferdam and the lower reach main cofferdam. The diversion construction method is suitable for the pivotal arrangement design and construction of the arrangement in a stage diversion manner adopted by the wide-riverbed dam type hydropower station.

The invention discloses a novel efficient assembly-type reinforced concrete composite beam, and belongs to the technical field of bridge construction. The novel efficient assembly-type reinforced concrete composite beam comprises a concrete bridge deck and a steel girder; the concrete bridge deck is arranged on the steel girder; a top flange plate of the steel girder is fixedly connected with a ribbed plate extending in the vertical direction of the steel girder; the bottom of the concrete bridge deck is provided with a channel extending in the vertical direction of the steel girder; the ribbed plate is arranged in the channel; two side edges of the top flange plate are fixedly connected with rubber sealing strips extending in the vertical direction of the steel girder; the bottom surface of the concrete bridge deck is in lap joint with the rubber sealing strips; the top flange plate, the rubber sealing strips, the bottom surface of the concrete bridge deck, and the channel of the concrete bridge deck defines a grouting channel; and the grouting channel is filled with a high-strength pouring sealant material. According to the invention, a series of problems brought by processing of reinforced concrete connecting pieces and cast-in-place of jointed concrete are effectively avoided, the construction quality is guaranteed, at the same time, the on-site work efficiency is improved, and the novel efficient assembly-type reinforced concrete composite beam is more environmentally friendly, and has good economic benefits.

The invention discloses a construction method for the hoisting and emplacement of crossbeams of an arch-first and beam-later tied arch bridge, comprising the steps as follows: a. a pulley block (4) is serially wound; b. a guide wheel is fixed; c. a hoist is installed; d. a travelling rope (6) coils the guide wheel and then is connected with the hoist; e. the steps of a-d are repeated; f. the crossbeam (105) is transported below the hoisting point; g. a bundled wire rope (9) is fixed with the crossbeam (105); h. the hoist is started and the crossbeam (105) is hoisted and emplaced; i. the crossbeam (105) is fixed; j. the bundled wire rope (9) is disconnected with the crossbeam (105); k. the pulley block (4) is removed; l. the steps of f-i are repeated and another crossbeam (105) is hoisted and emplaced; and m. the steps of j-i are repeated for a plurality of times and all the crossbeams (105) are hoisted and emplaced. The construction method for the hoisting and emplacement of the crossbeams of the arch-first and beam-later tied arch bridge has low construction cost, short construction period, small interference due to environment factor, and small hidden safety trouble.

The invention discloses a keel embedded-buckled assembling anti-cracking anti-seepage permanent cylinder shuttering, which comprises shuttering corner panels and connecting pieces. The invention can be used as a cylinder shuttering in cylinder pouring phases of structures such as industrial and civil building structures, hydraulic structures, harbor structures, and the like, and can be used as a protection plate and an outer protective layer of the structures after pouring molding, and bear a part of loads. The shuttering provided by the invention can be made of the following different kinds of materials: ultrahigh-toughness cement-based composite materials UHTCC, cement-based composite materials reinforced by nonmetal fiber meshes combined with short fibers, cement-based composite materials reinforced by steel wire meshes combined with short fibers, and the like, and has the characteristics of simple manufacturing, convenient usage, high endurance, and crack extension controllability.

The invention discloses a construction platform for housing construction engineering. The construction platform comprises a frame body, a platform part matched with the frame body and a driving part matched with the platform part. The platform part comprises a plurality of first plates, second plates, connecting plates and driving pieces, wherein each second plate is arranged between every two adjacent first plates, and the connecting plates are used for connecting the first plates with the second plates. The first plates are movably connected with the second plates, and the driving pieces arematched with the first plates and the second plates to drive the first plates and the second plates to be opened in a sector shape. By arranging the first plates and the second plates, under drivingof the driving pieces, the first plates and the second plates can form into the shape approximate to a sector, a worker gets close to a wall as much as possible during construction advantageously, worker construction is facilitated, worker construction safety is improved, the construction efficiency is improved, and the construction strength is lowered.

The invention relates to a concrete member mending agent which comprises concrete, coal ash, mineral powder, quartz sand, redispersible gelatine powder, water-retaining agent and thixotropic lubricant. The invention further relate to preparation method and construction method of the mending agent. The color of the mending agent is basically consistent with the color of a concrete member after hardening, and the mended concrete member has good appearance. The mending agent provided by the invention has longer service life, is wipe-wash-resistant and high in binding strength, and no secondary cracking can occur after mending. The preparation method and the construction method are simple and easy to implement.

The invention provides a light inorganic fireproofing composite material for tunnel, which is compounded by three layers of materials from inside to outside; the first layer is spray inorganic fireproofing material, the components of which comprise inorganic fireproofing fiber, expanded vermiculite powder, expanded graphite powder and ordinary Portland cement; the second layer is surface fireproofing material, the components comprises ordinary Portland cement, mica powder, gypsum and talcum powder; the third layer is fireproofing decorative material, which is a fire-retardant single-side composite aluminum foil. The composite material has the advantages that: the fire endurance is high; the thermal conductivity in hydrocarbon fire scene is extremely low; the fireproofing result is excellent; the self quality loss in fire is less without melting and dropping; the weight is light; the weathering is good; the sound-absorbing is good and the high-frequency drying reduction is obvious; the cost is low; the construction strength is less and the charge is low; furthermore, the ornament is good and the surface is smooth and beautiful surface, thereby the invention can mainly be used in the fire protection for the tunnel wall.

An air conditioner which uses earth energy to heat exchange room air with underground layer of constant temperature includes mainly underground water pool, U heat exchanger, fan, air pipe, modulator and relevant control circuits. It is normally used to regulate the temperature for flat house or villa and it is an ideal green air conditioner which sets the underground water pool in between 7-10 meters of constant temperature layer having average temperature of the year at local area as the stored water carrys on heat exchanging with adjacent underground layer for heat balancing. It absorbs theroom air into U heat exchanger dived in the strored water to raise exchanging result and to send it back room for regulating the room temperature with not extracting any water and the energy comsuption only as 40% or below of the existing air conditioner.

The invention discloses a construction method for reversely removing a floor slab by using a chain saw. The construction method comprises the following steps: locating and paying off, respectively arranging longitudinal cutting lines which are parallel to each other at two sides of a to-be-removed floor slab along the length direction, arranging a plurality of horizontal cutting lines which are vertical to the longitudinal cutting lines between the two longitudinal cutting lines at intervals, and dividing the to-be-removed floor slab into a plurality of blocks; forming chain saw lacing holes in connected positions of the horizontal cutting lines and the longitudinal cutting lines on the to-be-removed floor slab, forming a hoisting hole in each block; putting the chain saw under the to-be-removed floor slab, and horizontally cutting the to-be-removed floor slab along each horizontal cutting line; after longitudinally cutting the to-be-removed floor slab from outside to inside one by one along the two longitudinal cutting lines, respectively putting down the blocks until completing the cutting and the putting down of all blocks. According to the construction method disclosed by the invention, the floor slab which has an limited upper space and is difficult to forwards remove is subjected to reverse removing construction, the problem that removing construction cannot be successfully carried out is solved, high-strength construction of large-area excavation during the reverse removing construction is removed, and the construction efficiency of removing the floor slab under a special condition is increased.

The invention relates to a blasting method in a reinforcing and reconstructing construction of hydraulic engineering. Partial structures in an original building need to be necessarily disassembled during reinforcing and reconstructing engineering construction, and blasting demolition can be adopted on the partial structures. The blasting of a demolition body part mainly adopts a control blasting technology. The control blasting is used for reasonably determining the positions, the hole distance, the hole depths of blasting holes, the explosive amount and an initiation manner according to certain technological measures, strictly controlling the blasting energy and the blasting scale, and enabling the blasting sound, the blasting vibration, a destruction area and a scattering degree range and a dumping direction of broken objects to be controlled within a specified limit. The influence on part structures is reserved when the original building is blasted, the judgment can be carried out by adopting a sound wave detecting and vibration monitoring combining method, blasting parameters can be adjusted according to a detecting result, and the safety of an engineering structure can be ensured.

The invention provides an interlocking dismountable anti-cracking anti-seepage permanent template. A column of second panels and multiple columns of first panels are connected to form a template, the cross sections of each first panel and each second panel are of a concave shape the two sides of which are provided with walls, and each first panel and each second panel are made by adopting the following materials: ultra high toughness cementitious composite (UHTCC), a non-metal fiber woven mesh and a short fiber combined reinforced cementitious composite and a steel wire mesh and short fiber combined reinforced cementitious composite. The interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention is used as a template in a pouring stage and is a permanent template after pouring is completed, dismounting and turnover costs are eliminated, and the problems of dismounting in template construction of a hydraulic structure, a seaport structure and a bridge, culvert and tunnel and utilization rate are solved. The interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention has the characteristics of high stretching drawability, high crack control ability, high damage tolerance and strong energy absorption capability, anti-chlorine ion permeability and water resisting property of the interlocking dismountable anti-cracking anti-seepage permanent template disclosed by the invention are far better than those of common concrete, and the durability and service life of a concrete structure can be obviously improved.

The invention discloses a concrete joint waterproof construction technology and a construction device thereof. The concrete joint waterproof construction technology comprises four construction steps.The concrete joint waterproof construction device comprises a mobile heating module, the mobile heating module comprises an elliptic shell, two end covers, a plurality of heating plates matched with arc-shaped grooves in shape, and four driving mechanisms, and the two ends of the elliptic shell are of open structures. According to the concrete joint waterproof construction technology, the construction difficulty is low, in addition, the construction steps are simple, most importantly, constructed concrete joints are good in waterproof capacity, the waterproof capacity can be kept for a long time, and possible water leakage hidden dangers are completely eradicated. The concrete joint waterproof construction device is simple in structure and convenient to operate and control and does not need to be pushed forwards manually, the construction strength can be effectively reduced, and moreover, the construction efficiency can be effectively improved.