25results about How to "Ensure construction efficiency" patented technology

The utility model belongs to reinforcing steel bar conveying technical field discloses a conveying device, including conveying subassembly and shift subassembly, conveying subassembly includes conveying drive mechanism, conveying spare and positioning portion, conveying drive mechanism can drive conveying spare along first direction removal, can push material removal when conveying spare removal, positioning portion sets up in conveying spare second direction's one side, first direction and second direction are at the angle setting, shift subassembly includes shift drive mechanism and shift spare, and shift spare installs in the output end of shift drive mechanism, when conveying spare of conveying subassembly passes through shift spare, shift spare can take material along second direction removal and abut on positioning portion. In the utility model, conveying subassembly is used for conveying material along first direction normally, and shift subassembly is used for shifting material in second direction alignment, avoids the scattered disorderly of output material in second direction, thereby does not need to take device and positions the clamping of taking device, makes the clamping jaw movement positioning process of taking device simple.

The invention discloses a method for arranging a dam crest formwork increasing area on a core-wall rockfill dam to control water storage cracking and an earthquake response whip effect, a formwork increasing rockfill area is arranged at the position 1 / 3-1 / 5 of the dam height below the dam crest, the filling standard is controlled by adopting double indexes of porosity and relative density, it is guaranteed that the formwork increasing rockfill area reaches the full compaction degree, and the dam crest formwork increasing area is arranged at the position 1 / 3-1 / 5 of the dam height. The crack of the core-wall rock-fill dam is controlled, the whip effect of earthquake response of the rock-fill dam is effectively reduced, and the method for controlling the crack of the dam and improving the anti-seismic safety performance is expected to be achieved.

The invention relates to the technical field of photovoltaic supports, in particular to a sloping roof photovoltaic support and a construction method thereof, and the photovoltaic support comprises a plurality of back pull assemblies, a plurality of ground beam assemblies and a plurality of photovoltaic mounting base assemblies. The back pull assembly comprises a rear wall inclined strut, a rear wall transverse strut and a back pull, one end of the rear wall inclined strut is arranged on the rear wall of the house, the other end of the rear wall inclined strut is arranged on the back pull, one end of the rear wall transverse strut is arranged on the rear wall of the house, and the other end of the rear wall transverse strut is arranged on the back pull; the ground beam assembly comprises a front wall inclined strut, a front wall transverse strut and a ground beam, one end of the front wall inclined strut is arranged on the front wall of the house, the other end of the front wall inclined strut is arranged on the ground beam, and one end of the front wall transverse strut is arranged on the front wall of the house. After being installed, the support is not connected with the roof, and an original waterproof layer or waterproof tiles of the roof are prevented from being damaged; by arranging the positioning assembly, positioning installation of the back pull and the ground beam is conveniently achieved, and the construction efficiency is improved.

This utility model relates to the field of power transmission line technology, specifically to a power transmission line construction crossing frame, comprising a crossing frame body and two support members. Support frames are fixedly installed at both ends of the bottom of the crossing frame body, and a reinforcing component is provided on one side of each support frame and the top of the crossing frame body. Support feet are installed at both ends of the bottom of each support frame, and a traveling mechanism is installed at the bottom of each support foot. A slide rail is fixedly installed on the top of each support member, and the traveling mechanism is slidably mounted on the slide rail. This utility model effectively enhances overall stability through the synergistic effect of the reinforcing base, steel rope, reinforcing plate, and stop in the reinforcing component, overcoming the problem of insufficient stability in traditional crossing frames. It also allows the crossing frame to slide on the slide rail, greatly improving flexibility and increasing the range of motion of the crossing frame, enabling it to adapt to complex and changing construction environments and ensuring the efficiency of power transmission line construction.

The invention discloses a cast-in-place bridge reinforcing steel bar auxiliary installation device, and relates to the technical field of reinforcing steel bar installation, the cast-in-place bridge reinforcing steel bar auxiliary installation device comprises an installation seat, a concentric-square-shaped supporting frame is fixed on the installation seat, a pair of semi-circular-ring plates is slidably installed on the concentric-square-shaped supporting frame, and a semi-circular-ring pipe is fixed on each semi-circular-ring plate; the arc-shaped rack is in transmission connection with a radial traction assembly used for driving the radial fixing plate to slide in the radial direction. The two semicircular ring pipes are driven by the opposite sliding assembly to achieve butt joint, the function of free butt joint and separation greatly facilitates installation, a reinforcement cage needing to be installed is encircled by the two semicircular ring pipes, the clamping assembly is driven by the radial traction assembly, effective butt joint of vertical steel bars of the reinforcement cage is achieved, and the installation efficiency is improved. The one-way locking assembly facilitates radial uniform traction of the reinforcement cage, stable positioning of the cast-in-place bridge reinforcement cage is guaranteed, deformation and deviation of the reinforcement cage are effectively avoided, and the mounting and positioning quality of the reinforcement cage is greatly improved.

The invention provides a prefabricated column for high-precision assembly construction. The prefabricated column comprises a plurality of first vertical ribs arranged in the prefabricated column in a penetrating mode, the bottoms of the first vertical ribs are located in the prefabricated column, and the tops of the first vertical ribs are located above the prefabricated column; a rectangular pyramid groove is formed in the middle of the bottom of the prefabricated column, a plurality of air guide holes are formed in the upper side of the rectangular pyramid groove in the circumferential direction in a penetrating mode, a plurality of butt-joint holes are evenly formed in the outer side of the rectangular pyramid groove, reamed holes are formed in the lower sides of the butt-joint holes located in the four corners, and pre-buried frames are arranged at the junctions of the butt-joint holes and the reamed holes. The pre-embedded frame comprises a plurality of connecting sleeves which are uniformly distributed, and the positioning sleeves are detachably arranged in the connecting sleeves in a penetrating manner and are used for being aligned with second vertical ribs on the floor butt joint seat; a first right-angle plate and an alignment clamping plate are detachably arranged on the outer side of the prefabricated column, the first right-angle plate and the alignment clamping plate are connected to form a clamping unit, and the outer side of the first right-angle plate is connected with a floor drag hook through a righting pull rod. The device is convenient to mount and dismount, the construction efficiency is improved, and meanwhile, the precision is high and the effect is good.

This invention discloses a modular construction method for prefabricated utility tunnel structures, comprising the following steps: S1, prefabricating several segments of reinforced concrete integrated utility tunnel columns and beams; S2, excavating a foundation pit to construct a foundation platform, forming several spaced-apart sockets on the platform; S3, hoisting the integrated utility tunnel column and beam structure as a whole, positioning and fixing the bottom of the integrated structure into the sockets; S4, repeating step S3 to complete the installation of the next integrated utility tunnel column and beam structure; S5, pouring concrete at the joints between adjacent integrated utility tunnel columns and beams. This invention can further reduce construction costs, shorten the construction period, and ensure construction progress while maintaining construction efficiency and quality, and can effectively control problems such as construction waste, site dampness, and dust pollution during construction.

The invention relates to an underwater square multi-angle mounting lifting appliance and a mounting method thereof, and belongs to the technical field of lifting appliances. The underwater square block multi-angle installation lifting appliance comprises a lifting frame, a lifting hook, a measurement and control unit and an adjusting unit, during square block underwater installation, lifting equipment is connected with a lifting lug of the lifting frame and moves to the square block, and the lifting hook extends into a lifting hole of the square block to lift the square block; after the square block is hoisted, the real-time position of the hanging bracket is monitored through the measurement and control unit, and the real-time position of the square block is obtained according to the real-time position of the hanging bracket; the square block is moved to a to-be-installed position through hoisting equipment, the posture of the square block is adjusted through an adjusting oil cylinder till the installation requirement is met, and the square block is lowered by the hoisting equipment for installation; and the square block is unhooked after being mounted. According to the underwater square multi-angle mounting lifting appliance and the mounting method thereof, the positioning monitoring function and the posture adjusting function are organically combined, so that posture correction of the square can be completed in one lifting process, the operation steps of underwater mounting are simplified, and the construction efficiency and the mounting precision are improved.

The utility model relates to a decorative concrete aluminum formwork which comprises at least one formwork body, each formwork body comprises a face plate and an assembling part, and the side face of one side of each face plate is a bearing face used for bearing concrete; the splicing parts are arranged on the two sides of the panel, and the splicing parts are used for splicing and fixing the two adjacent formwork main bodies through mounting pieces; wherein a pattern rib and / or a pattern film are / is preset on the bearing surface of at least one template main body. According to the decorative type concrete aluminum formwork, the pattern protruding edges and / or the pattern films are preset on at least one formwork body, so that patterns and the formwork bodies form a whole, a worker can conveniently splice the multiple formwork bodies on the construction site to form the complete aluminum formwork body, then concrete is poured, and after concrete forming and formwork removing are conducted, the whole aluminum formwork body is formed. Therefore, the problem that the decorative concrete prefabricated part with the patterns is damaged in the transportation process can be avoided, and the construction quality and the construction efficiency can be better guaranteed.

The utility model relates to building construction equipment technical field especially relates to a water and electricity construction wall surface grooving robot, including movable chassis and multistage lifting translation mechanism, the movable chassis upside is installed with the box, is equipped with dust removal mechanism in the box, the multistage lifting translation mechanism of box left side is equipped with the multistage lifting translation mechanism that can be right angle overturns, the multistage lifting translation mechanism bottom is hinged with the box through two groups of right angle folding self -lock hinge, the multistage lifting translation mechanism left side is installed with cutting machine head, and cutting saw blade is assembled in cutting machine head inside, and cutting motor is installed on cutting machine head front side, and the output of cutting motor is connected with the axle on cutting saw blade. The utility model discloses through the controller can set the working parameter of robot, and the robot can independently plan the path, and the wall surface grooving is carried out automatically, in the operation process, need not manual intervention, can save a lot of time and labor, can realize accurate grooving operation simultaneously, guarantees construction quality and efficiency.

The utility model provides a masonry mortar auxiliary laying device which comprises a stock bin and a moving mechanism, the moving mechanism comprises a bearing wheel and an automatic adjusting part, the stock bin is rotatably connected with the bearing wheel so as to be movably arranged on a masonry wall, and the automatic adjusting part comprises a horizontal detection unit and a driving unit used for controlling the bearing wheel to move. The level detection unit is used for detecting level and outputting a feedback signal. The driving unit can receive the feedback signal and control the corresponding bearing wheel to adjust motion according to the feedback signal. According to the utility model, the stock bin is driven by the bearing wheels to move so as to lay masonry materials; and the horizontal detection unit is matched with the driving unit to adjust the movement of the bearing wheels, so that the stock bin is automatically leveled in a moving state, and automatic feeding, laying and leveling after laying are realized. The utility model has the beneficial effects that the construction process is optimized, the construction efficiency and quality are ensured by automatic operation, the structure is simple, and the processing cost is low.

The invention discloses a disassembly and assembly construction method for parallel heat exchangers in a narrow space. Hoisting holes are formed in an upper-layer frame platform of a heat exchanger to be disassembled, and steel pipes are laid at the hoisting holes to serve as hanging points of chain blocks; the to-be-disassembled heat exchanger and the steel pipe are connected through a chain block, the to-be-disassembled heat exchanger is lifted to a preset height, a guide rail is laid above the support, and a plurality of carrying tanks are placed on the guide rail. And the to-be-disassembled heat exchanger is lowered to the carrying tank through the chain block, the to-be-disassembled heat exchanger is horizontally moved out of the outer edge of the steel frame where the to-be-disassembled heat exchanger is located along the guide rails through the carrying tank under the cooperation of traction of the crane and the chain block, connection between the chain block and the to-be-disassembled heat exchanger is disconnected, and the to-be-disassembled heat exchanger is hoisted away through the crane. And during reassembly, the upper heat exchanger is firstly installed, then the lower heat exchanger is installed, the installation step is reverse operation when the heat exchangers are dismantled, and then the lower heat exchanger and the upper heat exchanger are assembled into a parallel heat exchanger and integrally hoisted through a chain block. The construction efficiency and safety are effectively guaranteed.

This invention provides a box culvert formwork system. The box culvert formwork system includes a formwork system, a support system within the formwork system, and a traveling system connected to the lower end of the support system. The support system is equipped with a guide system for rolling contact with the inner wall of the lower end of the box culvert. The guide system includes supports and guide wheels. The supports are connected to both ends of the support system in a transverse direction (X). The guide wheels are rotatably mounted at the ends of the supports that are far apart from each other in the transverse direction (X). Multiple guide systems are spaced apart along the longitudinal direction (Y) of the formwork system. This invention provides a guide system on the support system that allows rolling contact with the inner wall of the lower end of the box culvert, ensuring that the formwork system remains centered during movement without adjustment, thus guaranteeing construction efficiency.

The utility model discloses a slurry pumping and discharging device which comprises a rotary hydraulic pump and a slurry pumping and discharging steel pipe, the upper end of the rotary hydraulic pump is connected with a hydraulic pump station through a hydraulic pump pipe, the hydraulic pump station provides power for the rotary hydraulic pump, the lower end of the rotary hydraulic pump is connected with stirring teeth, and the stirring teeth are used for cutting fine silt. The rotary hydraulic pump and the slurry guiding and discharging pipe are welded to the connecting steel plate in a welding mode and connected through connecting bolts, an upper end opening of the slurry suction steel pipe is connected with the slurry guiding and discharging pipe, the middle of the slurry suction steel pipe is connected with the air supply pipe, and the air compressor supplies air to the interior of the slurry suction steel pipe through the air supply pipe to drive slurry to be discharged through the slurry guiding and discharging pipe. The problem that sediment in the pile casing and the cofferdam is not easy to clean after being settled is solved, and construction safety is improved while construction quality and construction efficiency are guaranteed.

This invention discloses a construction method and system for full-casing cast-in-place piles on the side of a subway, specifically relating to the field of foundation engineering technology for construction near subway protection zones. It addresses the problem that existing full-casing techniques are insufficient to withstand the dynamic pore water pressure coupling caused by subway operation, leading to the risk of borehole instability. By simultaneously monitoring the ground pressure inside the casing and on the tunnel side, the method assesses the disturbance propagation intensity and identifies abnormal fluctuations inside the casing based on the tunnel side pressure. When an anomaly is detected, coupled modal analysis is performed on the data from both to extract dynamic modal parameters, thereby assessing the cumulative disturbance effect of subway loads. Finally, based on the assessment results, active pressure compensation is initiated during borehole formation, and the effect is verified after compensation. This achieves real-time perception, mechanism diagnosis, and active control of dynamic operational disturbances from the subway, improving the safety and reliability of full-casing borehole formation in sensitive environments.

This invention belongs to the field of steel structure construction technology and discloses a construction method for a concentric double-tube structure. The method involves dividing the concentric double-tube structure into multiple inner tubes and multiple outer tubes, and pre-installing a fixed working frame on each outer tube. One inner tube is then coaxially installed inside an outer tube in the vertical direction, ensuring that the inner and outer tubes are coaxial and not eccentric, thus guaranteeing the assembly quality of the concentric double-tube structure. The movable working frame is detachably installed on the inner and outer tubes, allowing for multiple disassemblies and reassemblies, saving construction costs. Using the movable working frame, workers can install the next inner tube onto the top of the previous inner tube. Similarly, the next outer tube is installed onto the top of the previous outer tube using the fixed working frame. As each inner and outer tube is installed alternately, the installation position of the movable working frame is continuously raised until all inner and outer tubes are assembled, improving construction efficiency and ensuring assembly quality.

The application provides a bridge railing bridge ascending and descending safety lifting tool, which comprises a mounting frame, a pulley seat and a lifting assembly; the mounting frame is erected above a bridge, the bottom corners of the mounting frame are provided with connecting pieces, a plurality of connecting pieces are connected with rails above the bridge respectively; the pulley seat is installed at the edge of the bridge, and a first fixed pulley is arranged on the pulley seat; the lifting assembly comprises a first lifting rope and a winch driving piece; the winch driving piece is installed at the top of the mounting frame, the winch driving piece is connected with the top end of the lifting rope, the winch axis is parallel to the horizontal direction, and the bottom end of the first lifting rope is connected with the railing by passing through the first fixed pulley. The bridge railing bridge ascending and descending safety lifting tool provided by the application has the advantages that the mounting frame is installed on the bridge, occupies less space, the railing can ascend and descend the bridge by using the bridge, the use space is saved, the tool is not affected by the environment below the bridge, has high applicability, and the work efficiency is improved.

An automatic jacking guide pipe device for underwater concrete pouring relates to the technical field of concrete pouring and comprises a plurality of connecting guide pipes which are sequentially and detachably connected in a linear mode in the vertical direction; the jacking guide pipe is detachably connected with the lowermost connecting guide pipe; the jacking assembly comprises a clamping part and a plurality of assembling parts, the clamping part is fixedly arranged on the jacking sleeve in a sleeving mode, the assembling parts are evenly distributed in the circumferential direction of the jacking guide pipe, the assembling parts are connected with the clamping part in a clamped mode, every two adjacent assembling parts are connected through a connecting part, and each connecting part is detachably connected with the clamping part; in the concrete pouring process, along with increase of the concrete amount, the multiple assembly parts can be pushed to drive the jacking guide pipe and the multiple connecting guide pipes to ascend, and in the process, the connecting guide pipes rising out of the pile foundation need to be detached in time till the pile foundation is full of concrete; the ascending speed of the connecting guide pipe does not need to be manually controlled, operation is more worry-saving, and the construction quality and construction efficiency of the pile foundation can be guaranteed.

The utility model relates to a kind of foundation pit construction supporting device, including bottom plate, baffle is vertically arranged in the both sides of bottom plate, and the bottom end of baffle is fixedly connected with bottom plate top surface, the both ends edge of bottom plate is also equipped with anchor nail and is inserted in ground bottom through bottom plate, the back of baffle is also movably installed with auxiliary support part, the bottom end of auxiliary support part is slidably assembled with bottom plate top surface and forms triangular support structure;The structure that the adjusting plate A and the adjusting plate B are slidably assembled by connecting plate is used in the application, in combination with the cooperation of clamping portion and limiting groove and screw locking, the length of bottom plate can be flexibly adjusted according to the actual width of foundation pit, without being equipped with a variety of specifications bottom plate, construction cost is greatly reduced and construction efficiency is improved.Simultaneously, the identification scale of the top surface of connecting plate can accurately guide the adjustment process, ensure assembly accuracy, solve the problem of poor adaptability of traditional fixed-length bottom plate.

The utility model relates to the technical field of building engineering, concretely is a kind of settlement joint plate fixing device for capping continuous pouring.The device includes capping formwork, the inner side wall of capping formwork is equipped with the first fixed component for limiting settlement joint plate in vertical direction, and the upper end of capping formwork is equipped with the second fixed component for limiting settlement joint plate in horizontal direction.The device can effectively limit the position of settlement joint plate during capping continuous pouring, thereby ensuring the perpendicularity and straightness of settlement joint plate, and ensuring construction quality and efficiency.

The invention relates to an embedded bar stiffener and a use method thereof. The embedded bar stiffener comprises a stiffener body, a plurality of small bags and a bag filling material, the reinforcing strip body is made of a fiber reinforced composite material; the small bags are located on the upper surface of the reinforcing strip body and evenly distributed in the length direction of the reinforcing strip body at intervals, closed cavities are formed in the small bags, and uneven indentations which are evenly distributed are arranged on the surface of the reinforcing strip body except the small bag areas. A cavity of the small bag is filled with the in-bag filling material, and the in-bag filling material is an efficient getter. The specific indentations are designed on the surface of the reinforcing strip body, so that the contact area and the mechanical occlusal force between the reinforcing strip body and the embedded steel bar glue are greatly increased, and the relative slippage between the glue and the reinforcing strip is effectively prevented. The small bag is slightly broken due to extrusion or colloid reaction heat, the getter is released, residual moisture and air in the hole and bubbles generated by curing can be actively and rapidly absorbed, and the hidden danger of interface bonding failure caused by hollowing and moisture is fundamentally eliminated.

The utility model belongs to the technical field of hydraulic engineering construction, and particularly relates to a slope gridding beam structure which is good in integrity and capable of being rapidly constructed. A slope gridding beam structure good in integrity and capable of being rapidly constructed comprises prefabricated gridding beams, cast-in-place connecting sections, exposed reinforcing steel bar sections, cover molds and concrete pouring openings, the exposed reinforcing steel bar sections are arranged on the two sides of each prefabricated gridding beam, the cast-in-place connecting sections are located between every two adjacent prefabricated gridding beams, the cover molds are arranged on the cast-in-place connecting sections, and the concrete pouring openings are formed in the concrete pouring openings. A concrete pouring opening is formed in the cover mold. By adopting a combination mode of prefabricating the prefabricated grid beams and casting the cast-in-place connecting sections in place, the connection between the grid beams and the slope is enhanced while the construction efficiency is ensured, so that the overall performance of the slope grid beam support is improved, and a more reliable guarantee is provided for slope protection of a water conservancy project.

The present application belongs to the field of pile foundation construction equipment, and particularly discloses a self-recovery grab bucket with toughness, a control method and a micro pile grab bucket hole forming equipment. The grab bucket comprises a bucket segment with grab bucket teeth; the grab bucket teeth are arranged at the lower end of the bucket segment through a tooth replacement mechanism; the tooth replacement mechanism comprises a tooth cartridge, the inner cavity of the tooth cartridge is a tooth accommodating cavity, and the tooth accommodating cavity is provided with a tooth locking assembly and a tooth replacement driving part. In the case of broken or excessively worn grab bucket teeth, the tooth replacement driving part drives the grab bucket teeth in transmission cooperation to move towards the tooth replacement opening and extrude the first grab bucket tooth out of the tooth accommodating cavity, and the second grab bucket tooth moves to the position where the first limiting structure and the second limiting structure of the tooth locking assembly are matched together, so as to realize the function of automatically replacing the grab bucket teeth, ensure that the grab bucket can quickly recover to the normal state for continuous drilling, and thus the manual disassembly and replacement of the grab bucket teeth are not needed, so that the artificial labor intensity is not increased, and the construction efficiency is ensured.

This application relates to a rapid construction method for bridge piers, belonging to the field of bridge construction technology. The rapid construction method for bridge piers includes the following steps: Construction preparation; reinforcement installation, using a roll welding machine to weld a reinforcement cage with multiple reinforcing stirrups; installing at least two layers of guy ropes on the reinforcement cage, with a spacing of no less than 6 meters between adjacent layers; then using hoisting equipment to hoist and rotate the reinforcement cage vertically with a dual-point coordinated lifting mechanism. The main lifting point is located at the first reinforcing stirrup of the reinforcement cage, and the secondary lifting point is located at one-third of the distance from the other end of the reinforcement cage. The guy ropes are used for aerial positioning and stabilization. Next, the reinforcement cage is aligned and fixed, with the lower end of the guy ropes providing a counter-tension anchor point through a ground anchor structure. After the reinforcement cage is fixed, the lifting points are removed. This application has the advantages of ensuring the accuracy of reinforcement cage connection and improving construction efficiency to a certain extent.

The utility model relates to a water pressure impact rock breaking device. Comprising a dragging moving type carrier, and a generator, a hydraulic pump station and a high-pressure water pump are installed on the dragging moving type carrier; an operation table is arranged on the front portion of the dragging moving type carrier, a hydraulic jacking assembly is arranged at the bottom of the operation table, a front base is installed on the front portion of the operation table in a hinged mode through a pin shaft, a swing hydraulic cylinder is installed between the operation table and the front base, and a first-stage supporting arm is installed on the front base in a hinged mode. The front base is provided with a first-stage support arm, the front end of the first-stage support arm is provided with a second-stage support arm in a hinged mode, the front end of the second-stage support arm is provided with a turnover type base in a hinged mode, a connecting rod mechanism is arranged between the second-stage support arm and the turnover type base, a pitching hydraulic cylinder is arranged between the front base and the first-stage support arm, and a first-stage hydraulic cylinder is arranged between the rear end of the first-stage support arm and the rear end of the second-stage support arm. A second-stage hydraulic cylinder is mounted between the second-stage support arm and the connecting rod mechanism; an adjustable spray pipe is installed on the turnover type base, and a high-pressure nozzle is installed on the front portion of the adjustable spray pipe. According to the water pressure impact rock breaking device, a high-pressure water source is adopted for rock breaking, noise and dust in the rock breaking construction process are reduced, and the water pressure impact rock breaking device is more environmentally friendly.