12results about How to "Realize the construction" patented technology

The present invention discloses a truss bracket device for block 0 and block 1 and a construction method thereof, the device comprises a first group of truss structures and a second group of truss structures, the first group of truss structures and the second group of truss structures both comprise a transverse truss, a vertical truss and a lower torsion bar, and an upper torsion bar and an upper truss, the lower torsion bar and the upper torsion bar are both retractable; the method comprises the following steps: 1. pre-embedded fine-rolled threaded steel bars during construction of the top of the bridge pier; 2. splicing of the truss structure; 3. hoisting of the truss structure; 4. installation of the first group of brackets and the second group of brackets; 5. adjustment and anchoring of the first group of truss structures; 6. adjustment and anchoring of the second group of truss structures; 7. laying of I-shaped wood distribution beams and installation of bottom molds; 8. steel bar binding and concrete pouring of block 0 and block 1. The present invention has multiple truss structures that are convenient to install and disassemble as a whole and can be reused, reducing manpower and material resources and improving the adaptability of the truss structure bracket.

The invention discloses a steel sheet pile connecting structure, relates to the technical field of special sheet pile walls for foundation engineering, and aims to improve the strength and rigidity of a joint part for vertically connecting steel sheet pile sections. According to the technical scheme, according to the steel sheet pile connecting structure, adjacent steel sheet pile sections are connected through inserting pieces in the longitudinal direction and connected through locking openings in the transverse direction, the longitudinal direction of the steel sheet pile sections is the vertical direction in the construction period, and the transverse direction of the steel sheet pile sections is the extending direction of steel sheet piles on the horizontal plane in the construction period; the steel sheet pile section comprises a web and wing plates on the two sides of the web, and locking openings matched with each other are formed in the edges of the wing plates. The plug connector comprises two baffles and a connecting part between the two baffles, the gap between the two baffles is divided into an upper inserting groove and a lower inserting groove through the connecting part, the lower end of the steel sheet pile section on the upper portion of the plug connector is inserted into the upper inserting groove and fixedly connected with the upper inserting groove, and the upper end of the steel sheet pile section on the lower portion of the plug connector is inserted into the lower inserting groove and fixedly connected with the lower inserting groove. The method is used for connecting the steel sheet pile sections and forming the steel sheet pile.

The invention discloses a sub-cofferdam construction method for cross-sea tunnel construction, which comprises the following steps: S1, constructing a first sub-cofferdam, reserving a first channel, and constructing a first sub-cofferdam tunnel in the first sub-cofferdam; s2, after tunnel construction of the first sub-cofferdam is completed, the first sub-cofferdam is divided into a connecting area and a navigation channel area through steel sheet piles; s3, the cofferdam structure of the channel area is dismantled to form a second channel; s4, a second sub-cofferdam is constructed, and the second sub-cofferdam is made to communicate with the connecting area; s5, a second sub-cofferdam tunnel is constructed, and the second sub-cofferdam tunnel communicates with the first sub-cofferdam tunnel; and S6, the second sub cofferdam structure is dismantled. By the adoption of the scheme, it is guaranteed that a channel is always reserved between the two islands during construction, normal operation can be achieved, and meanwhile the tunnel can be conveniently constructed in the first sub-cofferdam and the second sub-cofferdam in an open excavation mode.

The invention provides a simple piling device and method. The device comprises a main arm frame, an auxiliary arm frame, a rocker arm frame, a hammer body and a rocker arm oil cylinder. The auxiliary arm frame is connected with the main arm frame and can be fixed relative to the main arm frame; the hammer body is arranged on the side face of the auxiliary arm frame in a sliding mode. One end of the rocker arm frame is hinged to the main arm frame, and the other end of the rocker arm frame is connected with the hammer body through a traction rope; one end of the rocker arm oil cylinder is rotationally connected with the main arm frame, and the other end is rotationally connected with the rocker arm frame; the rocker arm oil cylinder stretches out and draws back to drive the rocker arm frame to rotate relative to the main arm frame so as to drive the hammer body to reciprocate through the traction rope. The device is simple in structure and can be directly arranged on engineering machinery, the auxiliary arm frame and the main arm frame are relatively fixed, the rocker arm oil cylinder stretches out and draws back to drive the rocker arm frame to rotate relative to the main arm frame, and the rocker arm frame can swing back and forth around the hinge point of the rocker arm frame and the main arm frame, so that the hammer body is driven to reciprocate up and down, and the piling action is performed.

The application discloses a combined supporting device of anchor rod and section steel, which comprises a supporting section steel, a first arc-shaped plate, a second arc-shaped plate, a reinforcing anchor rod and a supporting anchor rod; the first arc-shaped plate is arranged directly above the second arc-shaped plate, the second arc-shaped plate is supported on the floor of a roadway through the supporting section steel, and a waist-shaped groove is formed on the second arc-shaped plate along the circumferential direction of the arc surface of the second arc-shaped plate; the upper end of the supporting anchor rod is fixed on the first arc-shaped plate, and the lower end of the supporting anchor rod slides in the waist-shaped groove along the circumference of the second arc-shaped plate; and the reinforcing anchor rod is arranged on the lower side of the first arc-shaped plate. The application further discloses a combined supporting system and a combined supporting method based on the combined supporting device of anchor rod and section steel. The combined supporting device of anchor rod and section steel has high shearing capacity and high bearing capacity, improves the roadway supporting strength, and improves the supporting capacity.

The invention relates to the technical field of bridge engineering construction, in particular to an all-directional adjustable curved surface special-shaped tower creeping formwork and a construction method. Comprising a space linear climbing system, an all-dimensional curved surface special-shaped structure formwork adjusting device, a linkage adjusting climbing frame construction platform and an inner formwork telescopic type steel-wood combined formwork, and the space linear climbing system comprises a triangular bearing platform and a climbing track; the omni-directional curved surface special-shaped structure formwork adjusting device is composed of a movable track, an inclined strut adjusting rod, a supporting back ridge and a set-shaped steel formwork. According to the creeping formwork, dynamic adaptability and modular adjustment can be achieved, it is ensured that the aerial work platform is always horizontal, and the falling risk is greatly reduced; through a mechanical adjusting device, construction of a complex three-dimensional curved surface can be achieved with high precision; the tedious process of repeated dismounting and changing and new formwork manufacturing in a traditional method is avoided, and the construction efficiency is improved; due to the tailorability of the steel-wood combined formwork and the adjustability of the system, the material cost is saved.

The utility model relates to the technical field of reverse ridge formworks, in particular to a combined type reverse ridge formwork supporting device. According to the technical scheme, the construction method comprises the steps that two formworks are installed at the reverse ridge construction position; the first support is tightly attached to the outer side face of one of the formworks, and a transverse part is arranged at the position, corresponding to the upper portions of the two formworks, of the first support; the second bracket is arranged on the transverse part in a sliding manner; the second bracket is tightly attached to the outer side surface of the other template; the limiting buckles are arranged on the first support and the second support and correspond to the tops of the formworks, and abutting parts tightly attached to the inner side faces of the corresponding formworks are formed on the limiting buckles. The construction device has the beneficial effects that by arranging the first support, the second support and the formworks, the distance between the formworks can be adjusted through the second support, and therefore reverse ridges with different widths can be constructed.

This utility model discloses a chain-type cutter bar, comprising: a supporting square tube; characterized in that: a first sprocket is provided at the top right end of the supporting square tube; a drive motor is fixedly installed on the front side wall of the supporting square tube near the right end; a second sprocket is connected to the top of the drive motor via a chain and connected to the first sprocket; an electric push rod is hinged to the lower left end of the supporting square tube; a cutter bar is hinged to the lower right end of the electric push rod; a third sprocket and a fourth sprocket are respectively provided at both ends of the cutter bar; and a cutter chain is connected between the third sprocket and the fourth sprocket. The chain-type cutter bar structure of this utility model is reasonably designed. Due to the use of a chain-type cutter chain structure, less power is required during cutting. The cutter bar is freely extended and retracted by the electric push rod, thereby enabling the construction of enlarged heads for large-size pile foundation holes. Installation and disassembly are convenient.

The utility model relates to the technical field of building construction, in particular to a plastering construction platform device which comprises two bases, two sets of supporting assemblies, a manned platform and a hanging ring, the two bases are arranged on the two sides of a to-be-constructed slope respectively along the gradient of the to-be-constructed slope, each set of supporting assembly comprises two diagonal bracing stop levers and two pressure-bearing rods, and the manned platform is arranged on the two sides of the to-be-constructed slope. The two diagonal bracing stop levers are arranged on the two opposite sides of the base respectively, the two pressure-bearing levers are arranged on the two opposite sides of the base respectively, the two pressure-bearing levers and the two diagonal bracing stop levers form triangles respectively, the connecting angles of the two pressure-bearing levers and the base are the same as the slope angle, and the two ends of the manned platform are arranged on the two pressure-bearing levers respectively. The device is simple in structure, convenient to manufacture, capable of being quickly manufactured on a construction site and suitable for the slopes with different gradients and widths, and construction efficiency and construction safety are improved.

The invention relates to the technical field of wind power generation, in particular to a wind power concrete tower low-temperature hoisting construction heat preservation device and method.The wind power concrete tower low-temperature hoisting construction heat preservation device comprises a top frame, the top frame is used for covering the upper end face of a whole-ring barrel section, and a covering layer and an observation area are formed on the top frame; the covering layer is provided with a hoisting hole for the hoisting point to pass through; the top frame is further connected with a plurality of heat preservation enclosures which fall downwards, the adjacent heat preservation enclosures are connected to form a cylindrical enclosure structure, a heating cavity is formed in the enclosure structure, and the whole-ring shell ring is covered with the heating cavity. The heat preservation device further comprises a heating source used for maintaining the temperature in the heating cavity. By means of the heat preservation device and the construction method, the whole-ring shell ring can be wrapped and covered, a heating cavity is formed to heat the interior of the whole-ring shell ring, a proper temperature environment is provided for curing reaction of curing glue, and therefore assembly construction of the whole-ring shell ring is achieved, and concrete tower construction under the low-temperature condition is achieved.

The application relates to the technical field of pond culture, in particular to a movable culture solid-liquid separation device, which comprises a pond body, a fish bait feeder is arranged at the bank of the pond body, a lifting fence is arranged in the pond body, the lifting fence comprises a plurality of lifting rods, a canvas is arranged on the outer sides of the lifting rods, the canvas forms a feeding area, and a collecting mechanism for collecting fecal sludge is arranged in the feeding area. The application has the effect of facilitating centralized cleaning of fish feces.