131results about How to "Simplify construction steps" patented technology

The utility model discloses a mountainous area abrupt slope bridge pile foundation support structure, including hollow diagonal bar, bridge foundation pile and abrupt slope surface, the bridge foundation pile is pre-buried on the abrupt slope surface, the bridge foundation pile is provided with the rectangular groove, the angle adjusting column casing is rotatingly connected between the inner wall of two sides of the rectangular groove, and the angle adjusting column casing is provided with the hollow diagonal bar. A hollow inclined supporting rod is arranged in the middle of the angle adjusting column barrel in a penetrating mode, the bottom end of the hollow inclined supporting rod is perpendicularly inserted into the abrupt slope face, the distance to the deep layer of a mountain is shortened, and therefore enough supporting capacity is provided. The top end of the hollow inclined supporting rod penetrates through the angle adjusting column barrel to be in threaded connection with a limiting baffle ring. The inclination angle and the position of the hollow inclined supporting rod are fixed, the hollow inclined supporting rod can provide lateral pulling force, the bridge pile foundation cannot incline towards the dangerous side of the abrupt slope, and even if the mountain surface landslide phenomenon occurs, a triangular structure jointly formed by the hollow inclined supporting rod, the bridge pile foundation and the abrupt slope face can provide enough supporting force so as to guarantee the safety of a bridge.

The invention relates to the technical field of HDPE pipeline shipping, in particular to an HDPE pipeline mooring and positioning system and method.The HDPE pipeline mooring and positioning system comprises a barge, a crane ship, a tugboat, a plurality of auxiliary ships and a plurality of positioning anchors, the tugboat is used for dragging an HDPE pipeline, the barge and the crane ship are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline, and the auxiliary ships are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline. The positioning anchors are symmetrically arranged on the two sides of the HDPE pipeline and used for positioning the HDPE pipeline, and the auxiliary ship is used for moving the HDPE pipeline. Compared with a traditional steel pipe pile construction technology, the mooring positioning system provides stable positioning points through the positioning anchors symmetrically arranged on the two sides of the HDPE pipeline, construction steps are simplified through cooperative operation of a tugboat, a barge, a crane ship and an auxiliary ship, particularly, complex steel pipe pile mounting and dismounting do not need to be conducted, the construction time is greatly shortened, and the construction efficiency is improved. And the construction efficiency is obviously improved.

The construction method comprises the following steps that S1, equipment enters a site, and pile positions are marked according to construction requirements; s2, the bottom end of the prefabricated pipe pile is not sealed, after the prefabricated pipe pile is pressed downwards to a designed bearing stratum at the pile position, the topsoil in the hollow part of the prefabricated pipe pile is taken out, and the soil taking depth exceeds the bottom end of the prefabricated pipe pile; or penetrating a force transmission hammer into the hollow part of the prefabricated pipe pile, and pressing the force transmission hammer and the prefabricated pipe pile to the designed bearing stratum; s3, filling materials are put into the hollow part of the prefabricated pipe pile in batches, a force transmission hammer with the length larger than that of the prefabricated pipe pile extends into the hollow part of the prefabricated pipe pile, the force transmission hammer extrudes the filling materials in a downward pressing, spinning or hammering mode, and the filling materials form a compacted expanded head at the bottom of the prefabricated pipe pile; and S4, concrete is poured into the hollow part of the prefabricated pipe pile to form an inner pile. The bottom of the prefabricated pipe pile is not sealed, holes are not guided in advance, the pile descending efficiency can be improved, and the pile end bearing capacity can be ensured after soil is taken in the hollow part of the prefabricated pipe pile.

The present invention relates to the technical field of waterproofing coiled materials, and discloses a composition for polyvinyl chloride waterproofing coiled materials, a polyvinyl chloride waterproofing coiled materials, and a preparation method and application thereof. The composition contains polyvinyl chloride, ethylene-vinyl acetate-carbon monoxide copolymer, a plasticizer, a filler, expandable microspheres, a crosslinking agent, and an antioxidant; relative to 100 parts by weight of polyvinyl chloride, the content of ethylene-vinyl acetate-carbon monoxide copolymer is 10-40 parts by weight, the content of the plasticizer is 35-50 parts by weight, the content of the filler is 20-55 parts by weight, the content of the expandable microspheres is 1-3 parts by weight, the content of the crosslinking agent is 1-3 parts by weight, and the content of the antioxidant is 0.1-0.4 parts by weight. The polyvinyl chloride waterproofing coiled material not only has strong tensile strength and elongation, but also has good waterproof function while being able to insulate and heat.

The invention relates to the technical field of photovoltaic panels, and discloses a photovoltaic building integrated curtain wall assembly which comprises embedded parts, a plurality of embedded parts are arranged on an outer wall body, an L-shaped groove is formed in each embedded part, and a locking assembly is arranged in each embedded part. When the first photovoltaic glass is separated from the L-shaped block, the linkage assembly drives the limiting block to move into the L-shaped block, then the insertion block on the second photovoltaic glass is inserted along the L-shaped groove, and finally after the second photovoltaic glass makes contact with the L-shaped block, the limiting block is driven by the linkage assembly to move out of the L-shaped block and then clamped into the groove. According to the method, replacement can be completed by directly inserting the second photovoltaic glass without dismantling the peripheral first photovoltaic glass to create an operation space or pulling out the L-shaped block, so that the construction steps are greatly simplified, the construction complexity is reduced, and the replacement operation is more convenient.

The invention discloses a device and method for rapidly blocking a dam burst opening. The device comprises steel pipe piles which are arranged on the positions, at the four corners of the burst opening, of a dam in a driving mode. The blocking net is laid at the outburst opening, and blocking objects are piled in the blocking net; the pulley block comprises a fixed pulley block and a movable pulley block, the fixed pulley block is fixed to the upper portion of the steel pipe pile, the movable pulley block is connected with the fixed pulley block through winding of an adjusting rope, one end of the adjusting rope is fixed to the fixed pulley block, and the other end of the adjusting rope is connected with a winch on a dam; one end of the Kevlar traction rope is connected with the movable pulley block, and the other end of the Kevlar traction rope is connected with the edge of the plugging net in a multi-point connection manner; the method comprises the steps of steel pipe pile driving, pulley block installation, pulley block and plugging net connection, plugging structure forming and the like. According to the method, the dam breach can be quickly and effectively blocked, more serious water and soil loss and dike instability are avoided, and meanwhile the complexity and time consumption of manual operation in a traditional blocking method are reduced.

The invention belongs to the technical field of wood product surface coating processing, and particularly relates to a UV coating prefabricating process for woodware, which comprises the following steps: prefabricating a UV coating on a PET film, pre-coating the surface of the PET film with the UV coating according to the required coating thickness in a yellow light environment, drying, attaching a release film to one side, back to the PET film, of the UV coating, and rolling, and after rolling, coating with light-proof aluminum foil and curing to obtain a prefabricated film of the UV coating, and after the release film is torn off, adhering the prefabricated film to the surface of the woodware to form the surface coating of the woodware. The problems that during traditional UV coating spraying construction, coating thickness control is not accurate, on-site construction equipment is complicated in type, input cost is high, energy consumption is high and the like are solved, and under the condition that the coating quality is guaranteed, the machining cost is reduced, and the use threshold of the UV coating is lowered.

The invention relates to the technical field of coatings, in particular to an inorganic water-based carbon nanotube metal corrosion prevention coating and a preparation method thereof. The inorganic water-based carbon nanotube metal corrosion prevention coating comprises the following components in parts by weight: 15-20 parts of modified carbon nanotubes, 5-10 parts of modified water-based epoxy resin, 20-25 parts of a hydroxyl acrylic emulsion, 20-25 parts of a filler, 1-3 parts of a silane coupling agent, 1-4 parts of a flatting agent, 2-5 parts of a dispersing agent, 1-4 parts of a flash rust inhibitor, 1-3 parts of a coalescing agent, 2-4 parts of a defoaming agent and 30-50 parts of deionized water, the preparation method comprises the following steps: stirring the modified carbon nanotubes, the modified water-borne epoxy resin, the hydroxyl acrylic emulsion, the filler, the silane coupling agent, the flatting agent, the dispersing agent, the flash-rust inhibitor, the coalescing agent, the defoaming agent and the deionized water in parts by weight at 40-50 DEG C for 20-30 minutes. The coating prepared by the method disclosed by the invention is uniform in dispersion, good in adhesive force, excellent in corrosion resistance and durability stability, and long in service life.

The invention discloses a water conveying pipeline arrangement method for a pipeline water conveying system, relates to the technical field of water conveying pipeline arrangement, and aims at solving the problems that an existing pipeline arrangement method cannot meet the requirement for variable pipeline arrangement in the pipeline water conveying system, and the economical efficiency, safety and compatibility of the existing pipeline arrangement method need to be improved. The system comprises a pipeline arrangement system. The pipeline arrangement system comprises a measurement module, an analysis module, a path planning module and a material selection module. When the water conveying pipeline of the water conveying system is arranged, the optimal arrangement mode is selected by taking different pipeline arrangement factors into consideration according to different passing modes of different obstacle points, so that a reference scheme is provided for constructors, construction steps are optimized, the engineering efficiency is improved, and the construction cost is reduced. The requirement for variable pipeline arrangement in the pipeline water conveying system is met, and compatibility is good.

The utility model discloses an integrated water-collecting well pump station, which relates to the technical field of well pump stations, and comprises a barrel body, one end of the barrel body is provided with a water inlet pipe, one end of the water inlet pipe penetrates through the barrel body and is fixedly connected with a grating plate, the lower side of the inner wall of the barrel body is fixedly connected with a bottom hopper, three water pumps are arranged in the barrel body, and the bottom hopper is fixedly connected with a water inlet pipe. A supporting plate is fixedly arranged on the inner wall of the barrel body, the lower ends of the three water pumps are fixedly connected with the supporting plate, conveying pipes are fixedly arranged at one ends of the water pumps, a maintenance plate is fixedly arranged on the inner wall of the barrel body, the three conveying pipes are connected with the maintenance plate in a penetrating mode, and a check valve is jointly and fixedly arranged at the upper ends of the three conveying pipes. According to the integrated water-collecting well pump station provided by the utility model, the design that the water-collecting well and the pump station are integrated is adopted, and due to the integrated arrangement, the construction steps are simple and convenient, the linkage performance is better, the installation is simpler and more convenient, the installation stability is higher, and the universality is better.

The invention relates to the technical field of tunnel supporting, in particular to a tunnel double-side-wall pilot tunnel method supporting system and a construction method.The tunnel double-side-wall pilot tunnel method supporting system comprises two L-shaped supporting frames, the two L-shaped supporting frames are arranged in a pilot tunnel in a mirror image mode, and the two L-shaped supporting frames, the inner side wall of the pilot tunnel and the top face of the pilot tunnel form a closed structure of an upper step of a tunnel cavity; each L-shaped supporting frame comprises a longitudinal plate and a transverse plate which are connected with each other, a bottom plate is arranged at the inner end of each longitudinal plate in a telescopic mode, a side plate is arranged at the inner end of each transverse plate in a telescopic mode, and the bottom plates of the L-shaped supporting frames and the inner side wall and the bottom face of the pilot tunnel form a closed structure of the lower step of the tunnel cavity. The side plate of the L-shaped supporting frame and the top face of the pilot tunnel form a closed structure of an upper step of a tunnel middle cavity, the side plate of the L-shaped supporting frame and the bottom face of the pilot tunnel form a closed structure of core soil, and the problems that in the forming process of a supporting system of a double-side-wall pilot tunnel method, too many materials need to be prepared, and construction steps are tedious can be solved.

The invention discloses a mounting method of an arch springing structure. The mounting method comprises the following steps that 1, the arch springing structure is divided; step 2, arch foot concrete structure construction; step 3, support jig frame and operation platform installation: the support jig frames are installed, and the operation platforms are erected between the upper concrete foundation and the support jig frames and between the support jig frames; 4, arch foot structure installation, wherein lower chords are hoisted, and web members between the lower chords are hoisted; the diagonal web members between the lower chord members and the bottommost upper chord members are firstly installed on the lower chord members, the bottommost upper chord members are hoisted, the upper chord members are fixed to the arch foot supports and the diagonal web members at the corresponding positions, and then the web members between the bottommost upper chord members and between the bottommost upper chord members and the lower chord members are installed. The operation platform is arranged on the upper portion of the supporting jig frame in the most economical supporting mode, the supports are combined with the platform, high-altitude in-situ bulk loading is carried out on the arch springing, the installation cost and the installation difficulty are greatly reduced, and meanwhile the safety of constructors is guaranteed.

The present application relates to a kind of spectral analysis system and method, specifically, a kind of laser-induced breakdown spectroscopy analysis system and method based on suspended electrode and filter paper.The system includes filter paper, adjustable sample stage, high-voltage discharge device, suspended electrode, laser ablation device and spectral signal acquisition and analysis device.The present application uses suspended electrode to change the distribution characteristics of high-voltage electric field, increase local electric field line density and electric field intensity, improve the collision frequency of charged particles in plasma, so as to further enhance the detection sensitivity of LIBS to trace elements, and reduce its detection limit.High-voltage discharge device is used to excite laser plasma again, to improve the detection and analysis ability of target elements.Filter paper enrichment method is used for pretreatment of the sample to be measured, which can effectively reduce the interference of liquid matrix on plasma spectral signal, and improve the sensitivity and stability of detection signal.

The application relates to an automatic contraction leveling device, belongs to the technical field of decoration, and particularly relates to a fireproof curtain bottom automatic contraction leveling device, which comprises a floor and a fireproof curtain box group, the fireproof curtain box group is arranged at the bottom of the floor, further comprises fireproof curtain cloth, a telescopic assembly and an angle steel, the fireproof curtain cloth is arranged in the interior of the fireproof curtain box group, a fireproof curtain metal plate is fixedly installed at the bottom of the fireproof curtain cloth, the telescopic assembly comprises a sleeve fixedly installed on one side of the fireproof curtain metal plate, the angle steel is fixedly installed at the bottom of the floor on both sides, a limiting square tube is fixedly installed at the bottom of the angle steel, the automatic contraction leveling effect is achieved, the problems that the system rigidity and adaptability of the existing patent are insufficient, the stability and durability are insufficient, the synchronization of multi-point leveling actions cannot be guaranteed, and the wear protection and maintenance convenience design for long-term use are weak are solved.

The utility model relates to an assembly type inspection well lifting tool which is characterized in that the assembly type inspection well lifting tool comprises a cover body, a base and a barrel body, the cover body further comprises a cover top and a side edge enclosure extending downwards from the cover top, the cover top and the side edge enclosure form a semi-closed cavity, a cross-shaped support is arranged in the semi-closed cavity, and a through hole is formed in the position, corresponding to the cross-shaped support, of the cover top; the base comprises a narrow cylinder capable of being inserted into the inspection well and a wide cylinder capable of being clamped to a well opening of the inspection well, and the wide cylinder can be matched with the cover body and is provided with a corner connector used for being connected with the hook. The cylinder body is of an annular structure capable of being matched with the cover body and the base at the same time, a cross-shaped support is arranged in the cylinder body, and a square hole used for being connected with a hook is formed in the position, opposite to the through hole, of the cross-shaped support. The problems that in the prior art, the inspection well construction efficiency is low, and a large amount of construction waste is generated are solved, the construction steps can be simplified, the construction efficiency is improved, and waste is reduced.

The invention discloses a composite floor slab reinforcing structure and a composite floor slab reinforcing method, a composite floor slab comprises at least two floor slabs which are arranged in an overlapped mode, and the reinforcing structure comprises at least one penetrating hole which penetrates through the composite floor slab in the thickness direction of the composite floor slab; and each inhaul cable is arranged in the corresponding through hole in a penetrating mode, and the two ends of each inhaul cable extend out of the end portions of the two sides of the corresponding through hole. Wherein each inhaul cable is formed by stacking a plurality of fiber cloth strips together and then screwing the fiber cloth strips together in a screwing mode, each inhaul cable and the inner wall of the corresponding penetrating hole are bonded together through structural adhesive, and the fiber cloth strips in the portion, located in the penetrating hole, of each inhaul cable are also bonded together through the structural adhesive; in addition, the two ends of each inhaul cable are attached and fixed to the surface of the floor on the corresponding side in the mode that the ends of the fiber cloth strips are scattered mutually. The reinforcing structure has the advantages of being simple in raw material, environmentally friendly, capable of saving energy, good in reinforcing effect and high in overall stability.

This application relates to the field of waterproof and thermal insulation building technology, specifically disclosing a monitorable and early warning type waterproof and thermal insulation wall, its construction method, and monitoring and early warning method. A monitorable and early warning type waterproof and thermal insulation wall comprises multiple prefabricated wall sections, each including: a concrete substrate; a sealed cavity; two steel meshes; a channel; and a pressure measuring device. The method includes: by installing a pressure measuring device within the channel, the air pressure values ​​of sealed cavities A and B within the concrete wall can be monitored in real-time over a long period. An alarm threshold is set; when the air pressure value changes to reach the threshold, the early warning device sends an early warning notification. By monitoring pressure changes, the waterproof and thermal insulation performance of the concrete wall is monitored, achieving long-term monitoring and early warning of the wall's waterproof and thermal insulation performance.

The utility model discloses a prefabricated retaining wall structure, and belongs to the field of building components. According to the technical scheme, the prefabricated retaining wall structure comprises a base and a vertical wall perpendicularly arranged on the base, a plurality of buttresses are arranged between the side wall of the vertical wall and the base at intervals, a first connecting part used for being connected with the vertical wall is arranged on the base, and a second connecting part used for being connected with the vertical wall is arranged on the base. The side wall of the vertical wall is provided with a second connecting part used for being connected with the buttress, and a reinforcing part used for reinforcing the strength of the connecting position of the base and the vertical wall is arranged between the base and the vertical wall. The base, the vertical wall and the buttress are all made of reinforced concrete prefabricated parts, after installation, the strength of the first connecting part, the strength of the second connecting part and the strength of the reinforcing part meet the standard requirement, the construction period is greatly shortened, and the construction progress is promoted.

The invention discloses a finely separated waste asphalt mixture fine material prefabricated building block and a preparation method thereof, and belongs to the technical field of road engineering.The preparation method comprises the following steps that an asphalt pavement recycled material is refined through refining equipment, and vibratory screening is performed to obtain an asphalt pavement recycled material fine material; detecting the mass of the aged asphalt in the fine asphalt pavement reclaimed material through a combustion method; placing the fine asphalt pavement recycled material in a drying oven for preheating and heat preservation, after preheating and heat preservation are finished, placing the fine asphalt pavement recycled material in a mixing pot for heating and mixing, and adding a regenerant according to the mass of the aged asphalt for continuous mixing, so as to obtain a regenerated asphalt mixture after preheating and heat preservation are finished; and loading the regenerated asphalt mixture into a mold, loading and molding to obtain the finely separated waste asphalt mixture fine material prefabricated building block. According to the invention, full utilization and high-value recovery of the fine aggregate of the recycled asphalt mixture can be realized.

The utility model belongs to the technical field of special-shaped bridge structures, and particularly relates to an assembly type urban road bridge and culvert structure which comprises a bridge pier structure, the bridge pier structure comprises a bridge pier base and an upper bridge pier arranged on the bridge pier base, the upper bridge pier is arranged in a V shape, supporting pipes are symmetrically arranged at one end of the upper bridge pier, and the supporting pipes are hinged to the upper bridge pier. A main beam is arranged between the supporting pipes, side bridge plates are further arranged on the supporting pipes, a plurality of holes are formed in the main beam and the side bridge plates respectively, a bridge deck is arranged between the main beam and the side bridge plates, a plurality of supporting rods are arranged on the bridge deck, the supporting rods stretch into the holes, and the side bridge plates get close to or away from one another by adjusting the angle between the upper bridge piers. And the supporting rods are inserted into the holes to fix the side bridge plates and the main beams.

The invention relates to a high-pressure-jet-grouting pedestal pile and a high-pressure-jet-grouting pedestal pile construction method and equipment, and the high-pressure-jet-grouting pedestal pile comprises a pile body which is formed in a pile hole, and a pedestal pit with the diameter larger than that of the pile body is formed in an undisturbed soil body in the lower portion of the pile body; the expanding body is formed by solidifying the formed concrete which is fed into the expanded pit through post-pressure and is in a sphere-like shape; the lower surrounding body is formed in the mode that cement paste which is firstly pressed and fed into the expanded pit is extruded by the formed concrete which is later pressed and fed to the periphery and then solidified, and the solidified lower surrounding body wraps the peripheral side of the expanded body; the upper surrounding body is formed in the mode that cement paste which is firstly pressed into the expanded pit is solidified after being overflowed into a gap between the pile body and the pile hole by the forming concrete which is pressed later, and the upper surrounding body surrounds the peripheral side of the bottom end of the pile body. According to the anti-explosion pile, the surrounding soil body is basically not disturbed, the noise is low, the anti-explosion pile can be achieved, the upper surrounding body and the lower surrounding body which are integrally solidified and formed wrap and protect the joint part between the pile body and the expansion body, and the anti-shearing capacity of the joint part of the pile body and the expansion body can be greatly improved.

The utility model discloses a shower top shower convenient to install, which relates to the technical field of bathroom equipment and comprises a top shower plate, a reinforcing plate is arranged at the top of the top shower plate, communicating cavities are distributed between the reinforcing plate and the top shower plate, a threaded rod used for being connected with an erecting frame is arranged at the top of the reinforcing plate, and the top shower plate is connected with the erecting frame. The device can be clamped with a ceiling through the protruding clamping blocks and the embedded clamping grooves on the side edge clamping plates, preliminary fixing of the device is achieved, the notches distributed in the head ends and the tail ends of the side edge clamping plates can be exactly matched with keels, then the keels can be clamped and positioned through cooperation of the threaded rods and the erecting frame, and therefore the whole device is hung and fixed. The bottom end face of the top spraying plate is flush with the ceiling, attractiveness is guaranteed, the construction steps needed for being matched with the ceiling keel during installation are simplified, the integrity of the keel is guaranteed, and construction efficiency is greatly improved.

The invention relates to the technical field of cotton processing devices, in particular to a sample processing device for cotton detection. Comprising a machine body, a power assembly is arranged on the left side of the machine body, the right end of the power assembly is located in the machine body, a plurality of elastic metal strips are evenly arranged at the right end of the power assembly in the circumferential direction, a plurality of air supply parts are arranged at the bottom of the machine body, a discharging pipe communicated with the interior is arranged on the right side of the machine body, and cleaning assemblies are symmetrically arranged at the discharging pipe; a dispersing assembly is arranged at the top of the machine body; cotton is blown up and is matched with vibration of the dispersing assembly, cotton loosening operation is achieved, cotton seeds and cotton branches are separated stably and rapidly, after separation, the cotton seeds and the cotton branches are grabbed into the discharging pipe through the metal strips, workers can take the cotton seeds and the cotton branches according to needs, and use is convenient.

The utility model provides a positioning device for installing a pouring material block of a furnace door, which is used for positioning when the furnace door and the pouring material block are installed, and comprises a fixing frame unit and a gap control plate, and the gap control plate is arranged on the fixing frame unit. The utility model has the beneficial effects that through the design of the fixed frame unit and the gap control plate, the installation of the furnace door pouring material block can reach higher precision, and the time and error of manual adjustment are reduced; the middle column is additionally arranged, so that the overall stability and the bearing capacity of the fixing frame unit are improved, and the safety when a heavy object is hoisted for installation is ensured; the complete construction method is provided, the construction steps are simplified from hoisting of the castable blocks, installation of the ceramic fiber blankets and final positioning of the furnace door, and the working efficiency is improved.

The invention provides a positioning device for furnace door pouring material block installation and a construction method, the positioning device is used for positioning when a furnace door and a pouring material block are installed, the positioning device comprises a fixing frame unit and a gap control plate, and the gap control plate is arranged on the fixing frame unit. The device has the beneficial effects that through the design of the fixing frame unit and the gap control plate, the installation of the furnace door pouring material block can reach higher precision, and the time and errors of manual adjustment are reduced; the middle column is additionally arranged, so that the overall stability and the bearing capacity of the fixing frame unit are improved, and the safety when a heavy object is hoisted for installation is ensured; the complete construction method is provided, the construction steps are simplified from hoisting of the castable blocks, installation of the ceramic fiber blankets and final positioning of the furnace door, and the working efficiency is improved.

The invention discloses an automatic welding system for iron towers, mainly relating to the field of welding technology. It comprises a conveying roller, a material trough is provided at one end of the conveying roller, a feeding port for exposing a bottom plate is provided at one end of the material trough close to the conveying roller, a welding station is provided between the feeding port and one end of the conveying roller, a long strip positioning frame and a first ball rack with positioning balls are provided above the conveying roller, a slide plate that is close to or away from the conveying roller is provided on one side of the conveying roller, a connecting frame with a lifting stroke is carried on the slide plate, two swing arms driven by a motor are provided at the bottom end of the connecting frame, support plates that can be relatively close or separated are provided at the ends of the two swing arms, a second ball rack with adaptive balls is fixed on the front end surface of the support plate away from the swing arm, and the positioning balls and adaptive balls are respectively used to contact the two sides of the web of the I-beam. The beneficial effects of the invention are that the welding of the iron tower can be automated, and the quality and efficiency are significantly improved.

The invention relates to the technical field of power line installation equipment, in particular to an anti-bird type lead anti-falling buckle. Comprising a buckle body. The two swing frames are arranged on the buckle main body; the two sliding blocks are respectively arranged on the two swing frames in a sliding manner; the two limiting frames are slidably arranged on the two sliding blocks correspondingly, arc-shaped grooves are formed in the opposite sides of the two limiting frames, and elastic pads are arranged on the opposite sides of the two limiting frames; and the adjusting mechanism is arranged on the limiting frames, and the adjusting mechanism is used for adjusting the gap between the two limiting frames. By adjusting the sliding stroke of the sliding block and the clamping distance of the limiting frame, the device can conveniently and fixedly clamp column type porcelain insulators with different neck diameters and different specifications, the defect that a traditional device only adapts to insulators of a single specification is overcome, and the field installation flexibility and universality are remarkably improved.

A formwork reinforcement structure includes: a straight back rib, arranged along a first direction on the outside of the formwork to provide support; and a fastener, clamped onto the straight back rib to form a corner structure, providing support for the formwork. The straight back rib and the fastener are perpendicular to each other. This formwork reinforcement structure, by splicing the straight back rib and the fastener to form a corner structure, avoids welding or bending of the back rib, simplifies construction steps, and reduces the amount of construction work. The design of the fastener clamping onto the straight back rib not only allows the fastener to provide stable support for the formwork but also facilitates the replacement of fasteners of different sizes to adapt to different construction conditions, improving the versatility and flexibility of the formwork reinforcement structure. This invention has a simple processing method, higher precision, better versatility and flexibility, and can effectively reduce construction costs, making it suitable for widespread promotion.

The utility model discloses a connecting structure between main body structure shear wall and cast-in-place structural wall, including shear wall and concrete side window pouring area, shear wall and concrete side window pouring area between fixed assembly have structural member, shear wall and concrete side window pouring area between left, right symmetry fixed assembly have connecting piece. The tubular connecting piece is more convenient for fixed in the construction process, and the influence of the concrete's jolt and shake to its fixed position is also smaller when reinforcing steel bar binding and subsequent pouring, is not easy to make connecting piece produce displacement, adopts this connecting structure to connect shear wall and cast-in-place structural wall, can effectively simplify the construction step, reduce the operation difficulty, improve construction efficiency.

The application relates to the technical field of equipment installation, and particularly discloses a pit edge mounting base and a construction method, which comprises a pre-buried plate, the pre-buried plate is installed on the bottom of the inner wall of a pouring groove arranged at the edge of a pit body, a supporting piece is fixedly installed on the pre-buried plate, a guard angle steel is installed on the top of the supporting piece, the top of the guard angle steel is flush with the top of the pouring groove, an angle steel supporting lug is fixedly connected to the side of the guard angle steel close to the pit, a gap is formed between the upper surface of the angle steel supporting lug and the upper surface of the guard angle steel, and the gap is used for mounting a pit cover plate; the pre-buried plate is used for connecting the structure of the pit foundation, the top of the pre-buried plate is provided with a civil engineering formwork during the civil engineering process, so that the pre-buried plate can be effectively leveled through the civil engineering formwork; and the pre-buried plate is arranged in a plane, after pouring the foundation, no protrusion is formed, and compared with the inclined steel bar used as the pre-buried piece, the safety hidden danger of tripping the installation personnel is eliminated.