42results about How to "Improve assembly construction efficiency" patented technology

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 multi-mode synchronous advancement and assembly system of a shield tunneling machine and a control method of the multi-mode synchronous advancement and assembly system. The multi-mode synchronous advancement and assembly system includes an advancement pump source and an assembly pump source which are connected with a PLC control unit. The advancement pump source and the assembly pump source are both connected with an oil cylinder group through a hydraulic valve group, and the oil cylinder group is connected with an oil return channel. The hydraulic valve group includes at least one large-group valve block, and each large-group valve block includes a fixed group mode rodless cavity oil inlet channel, a fixed group mode rod cavity oil return channel, an analog fixedgroup mode rodless cavity oil inlet channel, an assembly mode rod cavity oil inlet channel, an assembly mode rodless cavity oil return channel and an assembly mode rodless cavity oil inlet channel ofthe oil cylinder group. The multi-mode synchronous advancement and assembly system has a fixed group mode, an analog fixed group mode and an arbitrary group mode. The multi-mode synchronous advancement and assembly system has a plurality of advancement modes including the fixed group mode, the analog fixed group mode, the arbitrary group mode and a weekend pressure maintaining mode, and can realize the functions of synchronous advancement and assembly of a shield.

The invention provides a welding ball net frame assembling construction method. The construction method comprises the following steps that S10, a design coordinate system P1 (X, Y, Z) is set up; S20,an assembling coordinate system P2 (N, E, H) is set up, the coordinate values of each bottom chord welding ball (XS, YS, ZS) are converted into the coordinate value (NS, ES, HS) to be assembled to form a bottom chord welding ball set net; S30, a small assembling unit coordinate system P3 (A, B, 0) is set up, and the coordinate values (XS, YS, ZS) of the corresponding bottom chord welding balls areconverted to the coordinate value (AS, BS, 0) to be assembled to form triangular small units; and S40, modular assembling of the triangular small units and supplementary connection of connecting rodsare carried out. By applying the welding ball net frame assembling construction method, the problem that in the prior art, the construction cost is increased due to the fact that the assembling precision, installation efficiency and construction safety are difficult to balance at the same time in the assembling construction process of a welding ball net frame is solved.

The invention relates to a fabricated corrugated web steel box-UHPC composite beam bridge and a construction method thereof, the fabricated corrugated web steel box-UHPC composite beam bridge is composed of corrugated web steel boxes and UHPC bridge deck slabs, each corrugated web steel box is of an open box-shaped structure composed of a flat steel bottom plate, corrugated steel webs and a flat steel top plate, and the adjacent corrugated web steel boxes are connected through cross beams between the boxes; the UHPC bridge deck slabs comprise in-box prefabricated UHPC bridge deck slabs, inter-box prefabricated UHPC bridge deck slabs and cantilever cast-in-place UHPC bridge deck slabs, and the adjacent prefabricated UHPC bridge deck slabs are connected through cast-in-place wet joint UHPC bridge deck slabs; and the multiple UHPC bridge decks are correspondingly installed on the multiple corrugated web steel boxes to form the assembly type corrugated web steel box-UHPC composite beam bridge. According to the fabricated corrugated web steel box-concrete composite beam bridge, the steel consumption configuration is optimized, the self-weight of the structure is further reduced, the prefabricated concrete bridge deck is adopted, the fabricated degree is further improved, the construction period is short, the standardization degree is high, remarkable economic and social benefits areachieved, and the fabricated corrugated web steel box-concrete composite beam bridge has important significance in promoting large-scale application of steel structure bridges.

The invention relates to a quick-installation type high-voltage wire harness fixing device and an operating method thereof. The quick-installation type high-voltage wire harness fixing device a wire clamping device and a fixing bracket, wherein the fixing bracket is used for fixing the wire clamping device; the wire clamping device comprises a base; one end of the base is rotatably connected withone end of a buckle cover, and the other end of the base is provided with a locking groove; the other end of the buckle cover is provided with a locking bolt matching the locking groove; the base is provided with at least one first wire harness slot, and the buckle cover is provided with a second wire harness slot corresponding to the first wire harness slot; the first wire harness slot and the second wire harness slot form an accommodating cavity for placing the wire harness; and the bottom of the base is provided with a locking structure for fixing the base and the fixing bracket. The quick-installation type high-voltage wire harness fixing device has the advantages of being simple in structure, being convenient for operation, greatly improving the fixing efficiency of the high voltage wire harness, and reducing the labor intensity.

The invention provides a transportation and assembling equipment system for prefabricated components and a construction method of the transportation and assembling equipment system. The transportationand assembling equipment system comprises guide rails, transport assembling equipment, at least two vehicle bodies and connecting beams; each vehicle body is connected to the corresponding guide railin a rolling mode and comprises a vehicle body structure, a traveling system and an aligning system; the vehicle body structures comprise top buckling plates and bottom buckling plates, and the top buckling plates and the bottom buckling plates are jointly spliced into a hollow box body with the cross section being rectangular; the traveling systems are mounted on the vehicle body structures fordriving the vehicle body structures to move along the guide rails; the aligning systems are mounted on the vehicle body structures for adjusting vertical displacement and transverse displacement of to-be-transported prefabricated components; and the prefabricated components are placed on the top buckling plates of the vehicle body structures, and transporting and mounting work of the prefabricatedcomponents is completed through the vehicle body structures, the traveling systems and the aligning systems. According to the transportation and assembling equipment system for the prefabricated components, the technical problems that as for a traditional construction method, the heavy hoisting operation quantity is large, many potential safety hazards occur, the occupied space of hoisting operation is large, the labor intensity of aligning splicing operation is high, and splicing precision is poor are solved.

The invention provides a subgrade seepage and drainage blind ditch. The subgrade seepage and drainage blind ditch comprises a base, a frame body detachably mounted on the base and configured as a semi-circular, and a corrugated tube arranged between the base and the frame body, wherein a plurality of water seepage holes are uniformly formed in the frame body; an arc-shaped groove is formed in thearea of the middle of the upper end surface of the base, the lower part of the outer wall of the corrugated tube is closely installed in the arc-shaped groove, the upper part of the outer wall of thecorrugated tube is in close contact with the inner wall of the frame body, a through hole is formed in the trough position where the corrugated tube in close contact with the frame body, and the groundwater in a subgrade can penetrate into the corrugated tube and be discharged from the subgrade through seepage holes and the through hole

The invention discloses a construction method of a prefabricated fair-faced concrete exterior wall hanging plate connecting structure, which comprises a building exterior wall hanging plate, an upper connecting plate, a bracket connecting piece and an adjustable bolt, a floor slab at the top of the exterior wall hanging plate is connected with a plate top chain block, and the middle of the exterior wall hanging plate is detachably connected with an in-plate chain block; a jack is detachably connected to the top face of the lower floor. By arranging the hoisting holes, the buried anchorage devices and the special hoisting devices in the exterior wall hanging plate, convenient and fast installation and hoisting can be achieved when the externally-hung wall plate is hoisted, and overall stress and convenient and fast disassembly are facilitated due to the arrangement of the buried anchorage devices and the internal threaded sleeves; through the comprehensive application of the in-plate chain block, the jack and the plate top chain block, the exterior wall cladding can be accurately positioned and adjusted in the hoisting process, the plate top chain block can accurately position the vertical direction, and the in-plate chain block and the jack can accurately position the horizontal direction, so that the installation quality of the exterior wall cladding is improved.

The invention discloses a diagonal bar supporting device. The diagonal bar supporting device comprises a connector, a connecting sleeve and a supporting frame, the supporting frame is provided with asupporting ring and a threaded rod, the connector is in a rod shape and used for being assembled with hanging nails in a superposed beam; external threads are arranged at the two ends of the connector, the first end of the connector is used for being connected with internal threads of the hanging nails in a matching mode; the connecting sleeve is provided with the internal threads and is used forbeing connected with the second end of the connector in a matching mode through threads; the supporting frame is used for supporting a diagonal bar; the supporting frame is provided with the supporting ring which is annular and used for supporting the diagonal bar; and the threaded rod is connected with the outer edge of the supporting ring and used for being connected with the connecting sleeve in a matching mode through the threads. The diagonal bar supporting device can be split, split parts can be recycled, and the problem of low construction efficiency is solved. In addition, the invention further discloses a construction method of the diagonal bar supporting device.

The invention discloses a construction method for rapidly installing pipelines in a pipe gallery, and belongs to the technical field of pipeline engineering. An operator welds a plurality of pipe joints into a pipeline set outside the pipe gallery, then the pipeline sets are conveyed to preset assembling positions in the pipe gallery through a pulley set and a winch set, between-group welding is carried out the pipeline sets in the pipe gallery, finally, conveying pipes are jacked through a jacking unit, the pulley set and the winch set are dismantled, and the conveying pipelines are assembledon a buttress set. According to the construction method for rapidly installing the pipelines in the pipe gallery, the advantages of the speed and process stability of welding outside the pipe galleryare fully utilized, the welding work amount in the pipe gallery is reduced, the transportation speed in pipe joint holes is increased, and the pipeline assembling construction efficiency is improved.

The invention discloses a manufacturing method of a driver fence rear enclosure and a manufacturing method of a driver fence driver door. The manufacturing method of the rear enclosure comprises the steps of 1) preparing a mold, and specifically, manufacturing a foaming mold meeting requirements according to the shape and structure requirements of the rear enclosure; 2) selecting a surface material and placing the surface material in a lower mold body, and adsorbing or suspending and tensioning an inner surface base material on the surface of an upper mold body; 3) laying a reinforcing material layer zone 1b in the lower mold body of the mold, so that the reinforcing material layer zone 1b is large in density and high in strength; 4) injecting a polyurethane foaming material through high-pressure foaming, assembling the upper mold body and the lower mold body, carrying out maintaining pressure and curing, and completing integral forming of the rear fence; and 5) taking out of a productafter the product is cured, and carrying out edge cutting and trimming. For the manufacturing method of the driver door, the manufacturing method is the same, and a different mold is used. The overall structure is simple, the assembly efficiency is high, the final assembly time is 67% of that of a split structure product, the number of assembly parts is small, no gap exists, the strength is high,stability is achieved, no abnormal sound exists, the inner surface and the outer surface are formed in place at a time, and the cost is low.

The invention discloses a connector for prefabricated members. The connector for the prefabricated members includes a connector body, the connector body is provided with two or more connecting ends, and the central axes of at least two connecting ends form an included angle; each connecting end and carrying bars embedded in the corresponding prefabricated members are axially connected and fixed byan extension rod; or, one of the connecting ends the carrying bars embedded in the corresponding prefabricated members are axially connected and fixed; and the rest of the connecting ends and the carrying bars embedded in the corresponding prefabricated members are axially and respectively connected and fixed by the extension rod. The connector for the prefabricated members has the advantages offast and convenient rigid connection between the prefabricated members, firm and reliable connection and the like.