13results about How to "Reduce erection" patented technology

The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.

This utility model provides a pile head reinforcement structure for construction in hard rock formations, including a steel sleeve, a grouting structure disposed between the steel sleeve and the outer surface of the pile head, a shear structure for forming a mechanical interlocking effect between the pile head and the steel sleeve, an anchoring structure for reliable connection with the pile body, a pressure-bearing flange disposed at the bottom of the steel sleeve, and a reinforcing rib structure arranged on the outer wall of the steel sleeve. The steel sleeve is fitted around the periphery of the precast pile head, and the grouting structure fills the space between the inner wall of the steel sleeve and the outer surface of the pile head and is fixed to both. This pile head reinforcement structure for construction in hard rock formations solves the problem that, due to the lack of effective structural reinforcement and circumferential restraint measures for precast pile heads in related technologies, pile heads are prone to spalling, crushing, cracking, and other damage under high loads and impact conditions.

This invention belongs to the technical field of fast reactor installation, commissioning, operation, and routine maintenance, specifically relating to a local alarm device for a distributed sodium leak detector. A switch, power supply, alarm light, display screen, buzzer, and resistance display control meter are connected in series between two wires. The power supply and alarm light are grounded. After startup, tweezers at the end of the wires are used to clamp the two metal wires after the ceramic insulated terminal of the sodium leak detector to begin measurement. If a value is displayed, it indicates a short circuit in the sodium leak wire, and the location of the short circuit is determined. This invention quickly locates the fault point of the sodium leak wire, reducing the time and labor required for disassembling insulation during maintenance.

A kind of construction method of super high layer high altitude large-span cantilever concrete structure, including the following steps: step one, the structure optimization and construction drawing design of cantilever concrete structure;Step two, the deepening design of measure support, measure support includes support frame and hanging basket;Step three, main body first construction;Step four, precast concrete beam section field prefabrication;Step five, the manufacture and installation of support frame;Step six: the hoisting of precast concrete beam section;Step seven: the construction of cast-in-place concrete section;Step eight: the installation of upper pull rod and lower support rod;Step nine: in turn remove hanging basket, hanging platform and support frame.The present application solves the technical problems of complex construction technology, long construction period and high construction risk of large-span cantilever structure.

The utility model discloses a pool roof splicing device, the device is the form of prefabricated roof splicing post -poured face layer concrete and connecting node, including UHPC prefabricated roof, anchoring structure and post -poured reinforced concrete structure, and anchoring structure sets up in the end of UHPC prefabricated roof, after roof rests on cast -in -situ pool wall and bottom beam, installs prefabricated roof upper portion double -layer bidirectional steel mesh and anchoring structure and forms the whole, and pours roof filling body, integral concrete face layer and connecting node, so that adjacent roof can be stable splicing together, can carry out modular division to pool roof, is convenient for installation and dismounting. This pool roof splicing device can improve construction efficiency significantly, reduces the formwork support erection of roof structure construction, the workload of dismantling, avoids the safe risk of limited space operation, and the post -poured connecting node of whole hoisting component also has reliable guarantee to construction quality.

The application discloses an installation construction device for an overhanging support-ribbed slab outer wall ALC strip plate, and belongs to the technical field of building construction. The device comprises an installation plate, a T-shaped rod, a horizontal locking component, a sliding component, a hoisting and pulling component and a plate clamping component. The installation plate is fixed to the inner side of the wall top by expansion screws to form an indoor overhanging-free base body. The T-shaped rod can slide horizontally and is accurately positioned by the locking component. The hoisting and pulling component prevents the steel rope from being pulled out of the groove and stably lifts the plate. The clamping component synchronously clamps the ALC strip plate by means of a gear and a rack. The whole device is placed indoors, and external scaffolding and overhanging equipment are not needed, thereby avoiding the risk of high-altitude operation, improving the installation precision and efficiency, shortening the construction period and reducing the cost, and being suitable for different specifications of ALC strip plates and having high universality.

The application discloses a bottom mould floor support plate construction technology suitable for steel-concrete composite beam cast-in-situ bridge deck plate construction and belongs to the field of cast-in-situ concrete component form construction, which can solve the problems of difficult installation of the bottom mould of the steel-concrete composite beam cast-in-situ bridge deck plate, large waste of building materials, cost increase and slow construction period. According to the size of the floor support plate, the application performs line laying at a reinforcing position of the top plate of the steel beam, performs installation and connection, straightens, flattens, connects and fixes the arranged floor support plate. The connection between the floor support plates is reinforced by adding fillet welding. The two sides of the steel-concrete composite beam are each provided with a 70cm cantilever arm, and the concrete thickness is 20cm. The cantilever arm part of the side beam is constructed by using a hanging form method, a steel cantilever beam is arranged on the top of the steel beam to hang up the steel bar truss floor support plate bottom mould. After the floor support plate is paved, the steel bars are bound, and the bridge deck plate is poured. The steel bar truss floor support plate satisfies various loads such as structure and construction, can avoid construction procedures such as formwork erection, formwork removal, support system erection and removal and the like, and improves construction operation efficiency.

This application relates to a pile hole protection structure, belonging to the technical field of construction safety. It includes a guardrail, threaded rods, threaded sleeves, and a cover. Multiple guardrails are circumferentially arranged around the pile hole. The threaded rods are located on one side of the guardrail, and the threaded sleeves are rotatably located on the other side of the guardrail. The threaded sleeves are threaded onto the threaded rods of adjacent guardrails. The cover is installed on the guardrail and used to cover the pile hole. This application effectively reduces the workload of erecting and dismantling pile hole protection, and improves the turnover efficiency of pile hole protection.

This invention relates to the field of temporary support construction structures for stiffened beams, specifically a temporary support construction structure for stiffened beams, comprising an integrated support formwork system, a lifting mechanism, and a double-T-shaped support mechanism. The integrated support formwork system includes temporary support uprights and longitudinal and transverse connecting rods. The temporary support uprights are integrally fixed to the scaffolding system via snap-fit ​​fasteners. A liftable lifting mechanism is mounted on the top of each temporary support upright, and the upper end of the lifting mechanism supports the bottom template of the beam. A built-in double-T-shaped support mechanism is mounted inside the bottom template of the beam. This invention, through the integrated formwork system combined with the built-in support structure and the on-site scaffolding as auxiliary support, eliminates the need for custom-made special jigs based on different steel beam heights and spans, saving the traditional process of fabricating, erecting, and reinforcing numerous jigs, significantly reducing the input of temporary turnover materials, and lowering construction costs and material waste.

The utility model relates to road construction surveying technical field discloses a kind of road construction surveying devices, including device pedestal, level gauge body is equipped on device pedestal upper, rotating mechanism is rotatably equipped on device pedestal, adjusting mechanism is equipped on rotating mechanism, rotating mechanism can drive adjusting mechanism and level gauge body rotation, device pedestal bottom is equipped with support rod piece, several device supports are equipped on support rod piece, the beneficial effects compared with prior art of the utility model are as follows: downward pressing device pedestal can make support rod be driven by ground reaction force and move up limit block, a plurality of hinged rods are automatically opened outwards by bracing rod synchronous drive, without manual manual bending support foot;Only need to loosen locking bolt after measurement, spring can push limit block and support rod downward reset, drive device support to automatically fold inwards, overall erection and storage time compared with traditional tripod shorten, substantially improve the measurement operation efficiency of road construction frequent point transfer.

This invention discloses a method for hoisting and installing steel structure modules, including: modeling the steel structure module; confirming the center of gravity of the steel structure module based on the model; using the top surface of the steel structure module in its vertical position as the hoisting surface, identifying multiple main hoisting points on the hoisting surface based on the center of gravity position; selecting multiple auxiliary hoisting points on the bottom longitudinal beams of the steel structure module in its vertical state; performing on-site assembly; reconfirming the center of gravity position and main hoisting points when the deviation between the assembled frame and the steel structure module exceeds a set value; installing lifting tools at multiple main hoisting points and connecting them to a first crane via lifting ropes; installing lifting tools at multiple auxiliary hoisting points and connecting them to a second crane via lifting ropes; horizontally hoisting the assembled frame, rotating it 90° to bring it into an vertical hoisting state, and then installing the assembled frame onto the target object. This invention reduces high-altitude patching work, reduces the number of modular unit divisions, and accelerates the overall frame installation speed.

The utility model discloses a template structure for side slope pasting slope concrete, including steel template, longitudinal ridge and connecting component, longitudinal ridge is equipped with at least two, sets up in steel template back, and the middle part all has opened longitudinal mounting seam, and the top end and the bottom of longitudinal mounting seam respectively exceed the upper end and the lower end of steel template, every longitudinal ridge all is provided with two connecting components, and two connecting components are used for connecting the top end and the bottom of longitudinal ridge to side slope slope respectively, the tapered sleeve is sleeved on the first screw rod, the top of first screw rod passes through longitudinal mounting seam, and the top end or bottom of longitudinal ridge is pressed down by the pressing part, and the bottom of first screw rod is connected to the pre -buried bar. The utility model can realize the quick establishment of template, avoid the problem of complicated process that needs to erect and dismantle the scaffold in the existing technology, effectively avoid various security risks existing in the erecting and dismantling process of scaffold.

The utility model relates to the technical field of steel bar truss laminated slab, specifically relates to a kind of installation structure of large-span prestressed steel bar truss laminated slab, including laminated slab body, distribution steel bar, installation component, steel bar truss, fixed component and connecting rod;The laminated slab body is set to rectangle, the distribution steel bar is installed on the two side surfaces of laminated slab body, and installation mode is set to welding and riveting, the installation component is installed on the upper surface of laminated slab body, the steel bar truss is installed on the upper surface of installation component, the steel bar truss is provided with 3, and three steel bar trusses are installed in the three-point setting of equilateral triangle, the fixed component is installed between steel bar truss, and installation mode is set to welding, the connecting rod is installed between multiple fixed components.