12results about How to "Reduce construction labor intensity" patented technology

The utility model discloses a cable grid bridge system comprising a turning bridge which is composed of a plurality of bridge units arranged in a divergent manner to form an inner arc structure and an outer arc structure. Each bridge unit comprises two parallel U-shaped wefts and a plurality of radial line units, each U-shaped weft is composed of an outer vertical beam, a bottom beam and an inner vertical beam, and each radial line unit comprises a bottom radial line unit, an outer diameter line unit and an inner diameter line unit which are respectively connected to different parts of the corresponding U-shaped weft; the outer diameter line units are connected to form a continuous bridge outer diameter line; the inner vertical beams of the adjacent bridge units abut against each other, the inner diameter line unit is provided with two ends, reinforcing ribs are welded between the bottom beams, a bridge bottom diameter line is formed, and therefore the turning bridge system is low in cost and convenient to manufacture.

The invention provides a wall and foundation connecting structure suitable for a fabricated passive house and a construction method, and belongs to the technical field of building construction, the wall and foundation connecting structure comprises a prefabricated foundation and a prefabricated wall body, and the prefabricated foundation is prefabricated with a mounting groove, a first connecting groove and a second connecting groove; the first connecting groove is prefabricated in the mounting groove; the second connecting groove is prefabricated in the bottom surface of the prefabricated foundation; the prefabricated wall body comprises a steel sleeve and a prefabricated wall main body; the outer side of the lower end of the steel sleeve is further provided with a self-clamping assembly which is automatically clamped into the first connecting groove. And a wall body embedded part is embedded in the prefabricated wall main body. When the prefabricated wall body is connected with the prefabricated foundation, the lower end of the wall body embedded part downwards penetrates through the prefabricated foundation along with the prefabricated wall body and is connected with the self-connecting assembly arranged in the second connecting groove. And the prefabricated wall body is clamped on the prefabricated foundation through the self-clamping assembly. The connection reliability of the wall and the foundation is improved through double connection, site construction operation is convenient, the construction period is shortened, energy waste is reduced, and the construction quality is improved.

The utility model discloses a kind of UHPC cable manhole covers, including the cover plate body made of UHPC, multiple groups of reinforcement cage are pre-buried along length direction in the cover plate body inside, and reinforcement cage includes longitudinal main reinforcement and transverse distribution reinforcement;Anti-skid texture is equipped on the upper surface of cover plate body, and sealing groove is equipped on the side surface of four around, and rubber sealing strip is adaptively installed in sealing groove;Hoisting connecting part is equipped on the side surface of both ends of the short side of cover plate body;Reserved mark area is on the upper surface of cover plate body, multiple groups of reinforcing ribs are arranged along width direction in the cover plate body inside, and drainage groove is set up on the upper surface, the utility model uses UHPC material, compared with traditional concrete, high in strength, good in durability, under the premise of guaranteeing cover plate strength, cover plate thickness can be appropriately thinned, effectively reduce dead weight, after testing, the utility model cover plate body compared with same size ordinary concrete cover plate dead weight lightens 30%-40%, convenient to carry and install, reduce construction difficulty and labor intensity;Meanwhile, the high durability of UHPC makes cover plate long-term use under harsh environment, reduces maintenance replacement frequency, reduces whole life cycle cost.

This utility model relates to a telescopic grinding and trimming machine, comprising a base frame mechanism, a hand-operated mechanism mounted on the base frame mechanism, and a power mechanism. The power mechanism is detachably mounted with a grinding assembly. The hand-operated mechanism includes a support frame, a handrail, and a locking handle. The support frame is detachably mounted on the base frame mechanism, and at least a portion of the support frame is bent. The handrail is slidably connected to the support frame. The locking handle is mounted on the support frame and movably locks the sliding position of the handrail. The base frame mechanism includes a base and two sets of lifting casters independently mounted on the base. Each set of lifting casters is adjustable in height along the height direction of the base frame mechanism. The support height of the lifting casters is independently adjustable, allowing the two lifting casters to move linearly along two adjacent step surfaces, thereby enabling the power mechanism to drive the grinding assembly to grind the step surface linearly, reducing operational requirements and achieving continuous grinding of the step surface.

The invention discloses a construction method of a foldable vertical shaft water-resisting layer. The problems that in the prior art, the construction period of a shaft occupied by water-resisting layer construction is long, the high-altitude operation risk is high, and grouting is difficult are mainly solved. The method comprises the following steps: prefabricating a cylindrical rubber membrane water spacing ring on the ground; after a water-resisting layer section shaft is excavated by 1-2 m, the water-resisting layer section shaft is lowered and radially unfolded to form a circular ring, and the circular ring is folded and fixed to the lower portion of the upper section shaft wall; continuously excavating to a complete section height and then loosening and fixing, so that the water spacing ring is vertically unfolded to be attached to the well side; a blade foot formwork and a grouting pipe are installed, reinforcing steel bar binding and sand filling treatment are conducted on a gap between the blade foot formwork and the well side, and the bottom of the water spacing ring is rolled up and embedded; and after the section of well wall concrete is poured, grouting is conducted on the gap between the water spacing ring and the stratum through the pre-buried grouting pipe. According to the method, by means of folding design and segmented construction of the water-resisting ring, the water-resisting layer mounting process and the digging and building process are conducted in parallel, and the construction period is greatly shortened; grouting is independently carried out after concrete pouring, and the filling quality is guaranteed; the construction process is safe, efficient and low in labor intensity.

The application discloses an oil and gas well casing chemical plugging device and a construction method. The device has the advantages of small consumption of plugging agent, reduced construction cost, shortened construction period and fast effect. The device comprises, from bottom to top, a sticking and plugging pipe column body, a sticking and plugging seat, a positioning nipple and an outer oil pipe. The sticking and plugging pipe column body comprises a sticking and plugging pipe and a sticking and plugging inner pipe. The sticking and plugging pipe and the sticking and plugging inner pipe are communicated with the bottom of the positioning nipple through through holes formed in the sticking and plugging seat. The top of the positioning nipple is communicated with the bottom of the outer oil pipe. The upper part of the outer oil pipe is connected to a wellhead.

The utility model relates to a kind of water stop structure of subway deep foundation pit diaphragm wall in proximity, it includes basement roof, is set in diaphragm wall both sides;Post-cast strip pre-acting part, set on the upper portion of basement roof and a certain distance from diaphragm wall, the inside of this post-cast strip pre-acting part is equipped with water stop steel plate;Water stop steel plate one side is built into the inside of post-cast strip pre-acting part, for preventing leakage.The utility model not only does not need later's excavation, also greatly reduces the risk of leakage by water stop steel plate from weak position shift;Not only improve construction efficiency, reduce construction cost, also effectively improve waterproof performance, reduce the possibility of leakage.

The utility model relates to a handrail base pouring manipulator which comprises a controller, a moving trolley and a lifting platform, and a lifting mechanism is arranged between the moving trolley and the lifting platform. A concrete pump and a stand column are fixedly arranged on the lifting platform, the top of the stand column is rotationally connected with a pouring groove, and rotation of the pouring groove is driven by a driving mechanism A; the pouring groove is in an inclined state with the upper portion higher than the lower portion and comprises a material receiving head located on the top and a material falling channel located on the lower portion. In the rotating process of the pouring groove, the middle of the material receiving head is always located under a feeding port of the concrete pump. And the actions of the lifting mechanism, the driving mechanism A and the concrete pump are controlled by a controller. The device has the beneficial effects that when the device is used, concrete is poured into the concrete pump firstly, the rotation of the pouring groove and the action of the concrete pump are controlled in a matched mode, easy section turning without falling and without manual holding and moving of a pouring pipe is completed, and the construction labor intensity is reduced.

This utility model discloses a manual anti-fouling tape applicator, belonging to the technical field of tape applicator equipment. The manual anti-fouling tape applicator includes a mounting plate with a tape rotating wheel, a first pressure roller and a second pressure roller located below the tape rotating wheel, a mounting seat on the surface of the mounting plate, a control handle on the side of the mounting seat away from the mounting plate, a dust removal component on the mounting plate, and a scraper for use with the dust removal component. This manual anti-fouling tape applicator is small in size and compact in structure, making it particularly suitable for short-distance, small-volume, and specially positioned anti-fouling tape applicating operations. It is especially suitable for use in small spaces such as near walls or obstacles, allowing for flexible operation and maximizing its advantages. The device also performs well for discontinuous, irregular, or small-volume anti-fouling tape application, offering ease of use and strong adaptability.

The utility model discloses a pipeline groove supporting structure capable of being rapidly adjusted, and relates to the technical field of groove construction equipment. The device structurally comprises supporting plate assemblies and a telescopic pressurizing assembly for connecting and supporting the two supporting plate assemblies. The support plate assembly comprises a support plate, a support connecting rod and a positioning seat; two positioning seats are clamped and mounted on a supporting plate of the supporting plate assembly; the support connecting rod is rotationally mounted on the two positioning seats; the telescopic pressurizing assembly comprises a guide groove body, two connecting sleeves and a jack. According to the utility model, the unique supporting plate assembly is clamped and matched with the positioning seat, the jack is utilized to drive the connecting sleeve to realize rapid pressurization adjustment of the supporting plate assembly, and the design of the fan-shaped reinforcing plate and the like of the supporting connecting rod is matched to improve the structural strength and light weight; the supporting structure can be adjusted according to different geological conditions and groove sizes through the clamping installation mode of the supporting plate and the positioning seat and the rotary installation of the supporting connecting rod, and the universality and practicability of the supporting structure are improved.