15results about How to "High turnover utilization" patented technology

This invention discloses a pre-positioned steel support system suitable for small, ultra-deep foundation pits, comprising several lattice columns, several connecting devices, pre-positioned steel supports, several steel strands, several through-hole jacks, several servo cylinders, and a hydraulic system. The pre-positioned steel supports include a steel waler and several corner horizontal braces set at the four corners of the steel waler. Several servo cylinders are spaced along the circumference of the steel waler on its outer surface. The servo cylinders extend and retract under the action of the hydraulic system to achieve active deformation control of the diaphragm wall. Several through-hole jacks, under the action of the hydraulic system, simultaneously raise and lower the pre-positioned steel supports by synchronously extending and retracting the corresponding steel strands. This invention enables a construction method of pre-positioning concrete or steel supports for simultaneous excavation, lowering, and support, effectively shortening the construction period and reducing the time without support during over-excavation. It has advantages such as high mechanization, strong construction safety, and high turnover rate.

The invention relates to a construction device and method for construction of unequal-height beam webs through equal-height beam side formworks, and belongs to the technical field of building beam construction.The device comprises a vertical rod with an adjustable bearing, a beam bottom height adjustable early-dismantling jacking, a beam bottom rib, a beam bottom formwork, double joists and the beam side formworks, and the double joists are installed on the vertical rod with the adjustable bearing; the positions of the double joists can be adjusted by adjusting the adjustable bearing vertical rods, the beam side molds are installed on the double joists, the beam bottom height adjustable early-dismantling jacking supports are installed on the double joists, the beam bottom rib and the beam bottom mold are installed on the beam bottom height adjustable early-dismantling jacking supports, and the beam bottom rib and the beam bottom mold are located between the beam side molds. The positions of the beam bottom rib and the beam bottom die can be adjusted by adjusting the beam bottom height-adjustable early-dismantling jacking, and construction of unequal-height beam webs is achieved. According to the construction method, beam side formworks of the same specification can be used for construction of beam webs of different heights, the specifications and models of the beam side formworks can be reduced, the management and storage cost of the formworks can be reduced, and the turnover utilization rate and the construction efficiency of the formworks can be improved.

The utility model belongs to building construction technical field provides a kind of tooling protection fence of overturning mesh, including inner stand, outer stand, inner guardrail, outer guardrail, rotating shaft, adjusting screw rod;Inner stand is slidably sleeved in the inner side of outer stand, adjusting through-hole is equipped on outer stand side wall, adjusting screw hole is equipped on inner stand side wall;Outer stand side wall is equipped with outer connecting plate, outer guardrail is connected with outer connecting plate by bolt, inner guardrail top end is hinged with outer guardrail top end by rotating shaft, inner connecting plate is equipped on inner stand side wall.The protection fence, when the protection height requirement is lower, can be directly used, when the protection height requirement is higher, by the inner guardrail is turned up to vertical state to then, inner stand is extracted upwards, and inner stand is connected with inner guardrail by bolt, inner guardrail can be fixed.I.e. by the configuration of two guardrails, and two guardrails are hinged by rotating shaft, can adapt to the use scene of different protection height requirement.

A truss-type formwork system for cast-in-place steel structure floor slabs includes a main structural I-beam, a support beam assembly, and a mounting system. The mounting system comprises: a plate assembly located at the flange of the main structural I-beam, including a fixed plate I and a fixed plate II disposed opposite to each other; a hanger rod disposed on the side end of the web of the main structural I-beam and used to connect the fixed plate I and the fixed plate II; an adjusting nut disposed at the connection between the fixed plate I and the hanger rod, and between the fixed plate II and the hanger rod; an abutment plate disposed on the hanger rod and located on the side end of the flange of the main structural I-beam; and a support beam disposed on the hanger rod and used to install the support beam assembly. This invention, by setting up a mounting system, is applicable to both main structural steel beams with a flange width greater than 200mm and those with a flange width less than or equal to 200mm. Furthermore, it exhibits high structural strength, good stability, and advantages such as simple installation, flexible application, and high turnover rate.

The utility model provides a bathroom hanging mould detachable shaping reinforcement device belongs to bathroom hanging mould construction technical field, this bathroom hanging mould detachable shaping reinforcement device includes the rod body and sets up the positioning spare at the both ends of rod body, the rod body includes fixed rod and movable rod, and the one end fixed connection of movable rod is close to fixed rod has inserted rod, and inserted rod can insert the inside of fixed rod, and is provided with adjusting assembly between fixed rod and movable rod, the positioning spare includes mounting panel, first bracing piece and second bracing piece, and the one end of mounting panel is provided with the connecting block, and second bracing piece sets up at the bottom of connecting block, and first bracing piece sets up at the bottom of mounting panel, this device cooperates between telescopic rod body and positioning spare, after construction is completed, and the device can dismantle fast and save strength, solves the problem that traditional plank reinforcing mode dismantles difficultly, and the material is easily damaged, can adapt to the bathroom of different bay size, effectively saves construction cost.

The application discloses a construction method of a small-sized super-deep foundation pit using a front-arranged steel support system, and adopts a front-arranged steel support system which comprises a plurality of lattice columns, a plurality of connecting devices, a front-arranged steel support, a plurality of steel strands, a plurality of through-type jacks, a plurality of jack foundations, a plurality of steel strand guide frames, a plurality of servo oil cylinders and a hydraulic system. The front-arranged steel support system can realize the construction method of front-arranging concrete support or steel support and lowering and supporting simultaneously with excavation, effectively shortens the construction period and the time of over-excavation without support, and can effectively transfer the self-weight of the front-arranged steel support and the self-weight of the upper cast-in-place concrete to the ground and keep the front-arranged steel support horizontal through the adjustable angle support arranged on the steel support, and can guarantee that the servo oil cylinder is not subjected to vertical torsional force when supporting the underground continuous wall in the horizontal direction, thereby improving the construction safety and the rationality of equipment stress.

This invention discloses a rapid positioning welding jig for spherical nodes in a space frame and its usage method, relating to the field of welded spherical space frame assembly construction technology. It includes a welding base, a member positioning device, an adjustable base for the support rod, a member support rod, and a top support. The welding base is used to place the welded sphere. The member positioning device is sleeved on the welded sphere to achieve precise layout of the contact position between the member and the welded sphere. The adjustable base for the support rod is arranged around the welding base, and the member support rod is installed on the adjustable base. The top support is hinged to the top of the member support rod to support one end of the member. The other end of the member is welded and fixed to the welded sphere. The rapid positioning welding jig for spherical nodes in a space frame provided by this invention and its usage method solve the problems of difficulty in ensuring positioning accuracy, cumbersome installation and dismantling of fixing devices, difficulty in moving them, high construction safety risks, and difficulty in controlling welding deformation in the prior art.

The utility model discloses a kind of wall connecting devices of bridge pier column safety ladder stand, belong to bridge construction technical field, mainly used for the safety ladder stand installation of bridge pier column.The technical problem to be solved by the utility model is to provide a kind of wall connecting devices of bridge pier column safety ladder stand, including wall connecting locking mechanism and the ladder stand reinforcing fixed mechanism of the U-shaped structure of the open towards wall connecting locking mechanism;Wall connecting locking mechanism includes the first big arm and the second big arm of parallel arrangement, ladder stand reinforcing fixed mechanism is bolted with wall connecting locking mechanism;Two parallelly arranged first arm frames are bolted on the first big arm, two parallelly arranged second arm frames are bolted on the second big arm, first, second arm frame is bolted by the butt joint of the U-shaped bolt of open downward;Adjacent first, second arm frame enclose with first, second big arm to form square cavity for bridge pier column to pass through;To improve the installation efficiency of wall connecting device, reusable and guarantee safe construction.

The utility model discloses a kind of fabricated steel support devices, it is related to supporting device technical field.The fabricated steel support device, comprising: a base, two columns, opposite and vertically set in the top of the base;A connecting piece, along horizontal direction is set between two the column, and close to the top side of the column;And two locking pieces, respectively ring set in the base, and respectively with the bottom of two the column is connected;Wherein, by the locking piece, two the column and the connecting piece can be detachably set on the base, to fix different models of steel support.The utility model, although it is realized that steel support body can be more stable to the current support assembly type hoop, but it still has single steel support hoop weight, not easy to install, and welding workload is big, welding quality is not easy to control, using gas cutting means disassembly, after demolition, most of scrap processing, greatly reduce material turnover utilization, increase construction cost problem.

This utility model discloses a reinforcement structure for ultramodular thin-walled fair-faced concrete decorative cylindrical formwork, comprising: a formwork with multiple sections; a bottom limiting device installed at the bottom of the formwork to fix it; an outer ring reinforcement device with multiple sections spaced along the height of the formwork, including steel bands clamped to the outside of the formwork; a splicing and fixing device for connecting adjacent upper and lower formwork sections; and an adjustable upper limiting device located at the upper end of the formwork between the formwork and the steel column, comprising an outer circular hoop abutting against the inner side of the formwork, an inner circular hoop fitted onto the steel column, and adjustable connecting rods connecting the inner and outer circular hoops respectively. The verticality of the formwork and the thickness of the concrete are adjusted by adjusting the length of the connecting rods. This application allows for adjustable splicing dimensions of the formwork, convenient assembly and disassembly, and the ability to be reused eliminates many drawbacks of traditional wooden formwork, such as low turnover rate, low recycling rate, and slow construction speed.

The invention relates to a tunnel ditch cable trough trolley and a construction method thereof.The tunnel ditch cable trough trolley comprises a trolley frame and a ditch cable trough formwork assembly, and the left side and the right side of the trolley frame are each provided with a plurality of transverse moving lifting mechanisms at intervals in the tunnel extending direction; the transverse moving and lifting mechanism comprises a transverse moving mechanism for driving the ditch cable trough formwork assembly to transversely move and a lifting mechanism for driving the ditch cable trough formwork assembly to ascend and descend, the two ends of the groove formwork are each provided with an end steel formwork assembly, and the end steel formwork assemblies can stretch out and draw back in the direction perpendicular to the groove formwork. The end steel formwork assembly is composed of a plurality of end steel formworks, and one end of each end steel formwork abuts against the tunnel side wall, so that the tunnel side wall, the vertical wall formwork and the end steel formwork assembly can be matched with one another to form a relatively-closed die cavity. By means of the trolley and the matched construction method, the problems that in existing tunnel ditch and cable trough construction, the end plugging effect is poor, the forming quality is not easy to control, and the construction efficiency is low are solved.

This invention provides a steel beam-attached integral hoisting enclosure and its construction method. The enclosure of this invention is installed by bolting the supporting beams to the steel beam stiffening plates, outer columns, and inner columns, and then hoisting them together with the structural steel main beam onto the building's main structure. Before laying the steel decking, only the walkway panels, enclosure panels, and flaps need to be bolted to the perimeter of the floor to quickly complete the enclosure installation. The enclosure panels and flaps all use a slot-type fixing structure, making disassembly and installation quick and convenient. The enclosure designed in this invention reduces the risks during installation, minimizes material waste, reduces labor costs, has a high turnover rate, is safe and reliable, easy to assemble and disassemble, and aesthetically pleasing. It provides safety protection during the construction of steel decking and floor slab structures, reducing safety hazards.

The application discloses a side mold reinforcing tool for narrow space structure and relates to the technical field of side mold reinforcing of narrow space structure, which comprises two groups of connecting boxes, a limiting rod fixedly connected between the two groups of connecting boxes, two groups of symmetrically arranged sliding discs slidingly connected on the limiting rod, fixing pieces connected on the sliding discs, first supporting blocks connected on the fixing pieces, square steels installed on one side of the first supporting blocks, and connecting assemblies connected on the square steels. The side mold reinforcing tool for narrow space structure is provided with the fixing pieces and the connecting assemblies, so that the side mold can be quickly fixed when the formwork in the narrow space is fixed, and the building industrialization call can be responded. The material is designed in a modular way, is produced in an industrialized way, and is constructed in a standardized way, so that the green construction, energy saving and emission reduction, no waste generation, high material turnover rate, reliable stress, improved structure visual quality and improved brand benefits are realized.

This application discloses a manually movable single-sided formwork tripod device, belonging to the field of building engineering technology. It includes multiple sets of support bodies, each consisting of supporting columns and supporting crossbars. Diagonal braces are provided between the supporting columns and crossbars. Connecting rods are provided between the multiple sets of support bodies, and locking components are installed inside each set of support bodies. In use, after pouring concrete, the position of the support body can be quickly changed. Compared to traditional fixed connections, this effectively reduces disassembly and reinstallation time, significantly improving turnover rate. The use of threaded cold connections during installation avoids the impact of temperature changes from on-site welding on the stress of the main steel structure beams, improving overall stability during use. Furthermore, it can be mass-produced in a factory before installation, effectively improving construction efficiency.

The application discloses a prefabricated beam shared steel pedestal based on a standardized segment combination and a construction method, and relates to the technical field of bridge engineering prefabricated beam production. The application comprises a foundation support, a main frame and a top surface support. The foundation support is installed on a concrete cushion layer. The main frame is installed on the foundation support. The top surface support is installed on the main frame. The main frame comprises a T-beam pedestal and a box girder pedestal. The T-beam pedestal is connected with the box girder pedestal through flanges. The T-beam pedestal is used as a steel pedestal for T-beam prefabrication. The T-beam pedestal and the box girder pedestal are combined to be used as a steel pedestal for box girder prefabrication. The main frame is arranged to be the T-beam pedestal that can be used for T-beam prefabrication alone and the box girder pedestal that can be combined with the T-beam pedestal for box girder prefabrication. Therefore, the same set of steel pedestal systems can meet the prefabrication requirements of both T-beams and box girders, the versatility and adaptability of the pedestal are improved significantly, and the need for setting special pedestals for different beam types is reduced.