46results about How to "Will not affect the construction" patented technology

The invention discloses a trackless self-propelled platform truck for maintaining a subway tunnel. The trackless self-propelled platform truck comprises a mechanical system, a control system, a hydraulic system and a power system, wherein the mechanical system comprises a running gear, a main bearing platform, a fixed operating platform, a lifting operating platform, a telescopic operating platform, a support device, a vehicle-mounted equipment platform and a self-aligning mechanism, wherein the two ends of the main bearing platform and the fixed operating platform are in sliding fit with thetelescopic operating platform; the support device is connected with the telescopic operating platform; the vehicle-mounted equipment platform is used for placing vehicle-mounted equipment; the self-aligning mechanism is arranged below the vehicle-mounted equipment platform; the control system comprises a PLC; the PLC is mounted on the main bearing platform; the hydraulic system comprises a hydraulic actuating element; the hydraulic actuating element is mounted on the self-aligning mechanism; the input end of the hydraulic actuating element is connected with the PLC; and the power system is electrically connected with the hydraulic system and the control system. The trackless self-propelled platform truck can safely move and carry out maintaining operation in different subway tunnel diameters.

The invention discloses a combined concentrative and scattered waterproof and drainage system for a central dividing strip of a highway. The system comprises a longitudinal upper drainage channel dug according to the central dividing strip design width, a longitudinal lower drainage channel is formed through a groove formed through concave masonry of the center portion of the longitudinal upper drainage channel, and the side wall and bottom wall surfaces of the longitudinal upper drainage channel and the longitudinal lower drainage channel are paved with cutoff water geomembrane; the bottom of the longitudinal lower drainage channel filled with gravel is provided with a longitudinal aqueduct with a water inlet in an embedded mode, and a permeable soil layer with vegetation covers the interior of the longitudinal upper drainage channel; transverse drainage channels connected with the longitudinal aqueduct are arranged below roadbeds of up and down lanes at intervals; transverse drainage culverts communicated with up and down lane outer side drainage pipe networks are formed in the middle of the geology layer below the transverse drainage channels in a spaced mode, and the upper end of a water-collecting well with the bottom communicated with the transverse drainage culverts extends to the permeable soil layer covering the longitudinal upper drainage channel. The system is simple in structure and can meet the waterproof and drainage requirements of the central dividing strip with the width being 8 m or above.

The invention provides an automatic air supplying device for a manual hole digging pile well. The automatic air supplying device comprises air supplying equipment, air draft equipment, a ventilation pipeline, a well interior fixing plate, a ground fixing support, well interior fixing supports, a gas detector and a control background; the ventilation pipeline is divided into an air supplying pipeline and an air draft pipeline, and the gas detector is arranged on one side of an air outlet of the air supplying pipeline; the well interior fixing plate is vertically fixed to the well wall, and themultiple well interior fixing supports are arranged on the well interior fixing plate; the ventilation pipeline is in a 7 shape constituted by a horizontal section and a vertical section, the horizontal section is fixed to the ground through the ground fixing support, and the vertical section is fixed to the well interior fixing plate through the well interior fixing supports; and down-hole poisonous and harmful gas can be monitored in real time through the ventilation pipeline and the gas detector, when the poisonous gas exceeds the standard or the well interior air quality does not reach thestandard, gas exchanging can be quickly and circularly conducted in the well, and occurrence of safety accidents caused by the fact that the poisonous and harmful gas exceeds the standard is effectively reduced.

The invention relates to a connecting node of a square steel pipe column, an H-shaped steel beam and an L-shaped ribbed plate. The node is simple in structure, convenient to construct and is free of affecting to pour concrete in the square steel pipe column. The connecting node comprises the square steel pipe column, the H-shaped steel beam and the L-shaped ribbed plate, wherein two limbs of the L-shaped ribbed plate are respectively in butted joint with the upper flange and the lower flange of the H-shaped steel beam and connected with a wall plate of the square steel pipe column. The width B of the flange of the H-shaped steel beam 1 is twice the sum of the lengths b1 of the limbs of the L-shaped ribbed plate in butted joint with the H-shaped steel beam 1. The square steel pipe column comprises a cold bending rectangular square steel pipe column and a hot rolled square column; and the H-shaped steel beam comprises an H-shaped hot rolled steel beam and an H-shaped welded steel beam. The connecting node of the square steel pipe column, the H-shaped steel beam and the L-shaped ribbed plate in the invention adopts a measure of additionally arranging stiffening ribs outside to replace inner partition plates, and the L-shaped ribbed plate can transfer tension and pressure of the flanges of the beam to the wall of the square steel pipe column, so that the deformation outside a plane of the node is increased. Meanwhile, the problem of construction difficulty in installing the inner partition plates can also be avoided.

The invention discloses an expandable anchor device, which is provided with an expandable outer casing (1), a nut (6) and a tensioned anchor rod (4), wherein: the two ends of the expandable outer casing (1) are provided with openings (3), after the tension anchor rod passes through, the expansion overcoat (1) and the tension anchor rod are fixed together by the nut (6). The invention has the advantages of simple construction, good embedding effect with rock mass, and remarkable engineering benefit.

The invention relates to the technical field of falling prevention, in particular to a speed difference falling protector provided with a reverse locking mechanism and used for high-altitude operation of an electric power iron tower. The falling protector comprises an anti-falling device and an ascending device arranged on the side edge of the anti-falling device, and the anti-falling device comprises a shell and a mounting disc. In the speed difference falling protector provided with the reverse locking mechanism and used for the high-altitude operation of the electric power iron tower, by arranging a driving part, when an operator is in a suspended state, the driving part is pulled, and the driving part drives a rotating plate to rotate through a rotating disc. The rotating plate drives the mounting disc to rotate through a rotating ring, the mounting disc rotates to wind a connecting rope, then the operator is driven to ascend, thus the operator does not need to wait for rescue workers, time is saved, and the problems that when the operator falls for a long distance, the operator is far away from the iron tower due to the long falling distance, a current falling protector cannot achieve the rising effect, as a result, the operator cannot grasp the iron tower on the top, and the working efficiency is reduced are solved.

The invention relates to the technical field of construction engineering, in particular to a stair tread pouring formwork which comprises a formwork pouring and forming tread. Two drainage channels are symmetrically formed in the upper surface of the tread, and flow guide grooves are formed in two sides of the tread. According to the technical scheme, the stair tread pouring formwork has the advantages that water accumulation and influence of drainage on construction can be prevented.

The invention provides hoisting equipment and a hoisting method for external transportation of a super high-rise building. The hoisting equipment comprises mast lifting devices arranged pairwise; each mast lifting device comprises a fixed mast, an amplitude variable mast, a mast base, a hoisting connecting device, an amplitude variable adjustment hoist, an indoor traction hoist and a winch. The hoisting equipment is mounted, the winches are started to hoist a heavy object to an operation floor and to a place above the ground level of the operation floor, hand chains of the amplitude variable adjustment hoists are pulled, the amplitude variable masts are driven to rotate in the indoor direction and change amplitudes and drive the heavy object to move to the interior, after the gravity center of the heavy object is transferred to the interior, the heavy object is fixedly connected with the indoor traction hoists, hand chains of the indoor traction hoists are pulled and the heavy object is completely transferred to the interior, jack-up hoisting ropes are dismounted, and the heavy object is transported to other positions of the operation floor through a carrying tankette. The hoisting equipment is simple in structure, and can meet the hoisting requirements of floors at different heights and equipment in different sizes, particularly on the working condition that an outdoor site is narrow, the cost is saved, and the construction schedule is accelerated.

The invention discloses a multi-point adjustable energy-saving lighting system for building construction, which includes a mounting plate with a sensor control device, a vertically arranged T-shaped mounting groove is opened on the top of the mounting plate, and an assembly assembly is arranged in the T-shaped mounting groove. The assembly board is rotatably connected with a control rod, the control rod is provided with a photovoltaic device, the assembly board is provided with a motor, and the outer wall of the output end of the motor is provided with a recovery device. The invention controls the forward and reverse rotation of the motor according to the time of sunrise and sunset, thereby realizing the folding and opening of the lighting lamp and the photovoltaic panel, ensuring that the lighting lamp is in the storage state during the day, and will not affect the construction of the construction site during the day, ensuring that the photovoltaic panels The panel is in the folded state at night, and the dust on the photovoltaic panel will be effectively cleaned during the process of folding and opening the photovoltaic panel, avoiding the impact of construction site dust on the photovoltaic panel, and reducing the working time limit, making the equipment The service life is increased and the project cost is saved.

The invention discloses a pole device for electric poles, which comprises a support platform, a connecting rod is installed on the side of the support platform, a universal wheel is installed on the bottom of the support platform, and a first Limiting frame, the side of the slide bar is equipped with an overturning plate, the top of the overturning plate is equipped with a support rod, the side of the overturning plate is equipped with a third movable rod, and the side of the third limiting frame is installed with Skateboard, a transmission block is installed on the side of the slide plate, a conveyor belt is installed through the side of the transmission block, a motor is installed on the left side of the transmission shaft, and a support column is installed on the right side of the transmission shaft, and the The setting of the tightening device, when the pole is erected, only need to place the electric pole in the clamp ring, and then under the action of the hydraulic rod, the first transmission rod will pass the first movable rod and the second movable rod to make the clamp ring form a clamping structure , so as to fix the pole.

The invention discloses a magnetic butyl damping composite material for automobiles and a preparation method of the magnetic butyl damping composite material. The composite material comprises following raw materials: 10%-15% of butyl rubber, 5%-20% of polyisobutylene, 5%-10% of petroleum resin, 5%-20% of filler, 30%-50% of a magnetic material, 2%-8% of processing oil and 1%-5% of carbon black. The raw materials are subjected to tight milling, mixing, extrusion and magnetization, and the magnetic butyl damping composite material coated with aluminum foil and used for the automobiles is prepared. The prepared magnetic butyl damping composite material for the automobiles can act on metal skin effectively for a long time, noise caused by vibration can be reduced very well in service cycles of the automobiles, and the composite material is more environment-friendly than a traditional magnetic petroleum asphalt damping mat.

The invention provides an adjustable anti-shaking moving platform and a mounting method thereof and relates to the technical field of building construction equipment. The adjustable anti-shaking moving platform and the mounting method are invented in order to solve the problem that flexibility, safety and economical efficiency of existing construction equipment for the tops of large-space buildings cannot be taken into consideration completely. The adjustable anti-shaking moving platform comprises ejecting parts, a steel structure moving platform body, a supporting frame, vertical steel wire rope sets, first anti-shaking steel wire rope sets and a second anti-shaking steel wire rope set. The ejecting parts are arranged on a building structural beam in a sleeving mode. The supporting frame is fixed to the bottom of the steel structure moving platform body. The middle of the supporting frame is provided with a hoisting hole and cover plates. The first anti-shaking steel wire rope sets are arranged at the two ends of the steel structure moving platform body and the second anti-shaking steel wire rope set is arranged in the middle of the steel structure moving platform body. One ends of the vertical steel wire rope sets are fixedly connected to the supporting frame, and the other ends of the vertical steel wire rope sets are connected to the building structural beam. Each first anti-shaking steel wire rope set comprises two slant intersecting steel wire ropes located on the two sides of the steel structure moving platform body. The two ends of each first anti-shaking steel wire rope set are connected with the steel structure moving platform body and the building structural beam correspondingly. The bottom end of the second anti-shaking steel wire rope set is connected to the four corners of the hoisting hole, and the top end of the second anti-shaking steel wire rope set is fixed to the ejecting part above the hoisting hole.

The invention discloses a method for installing a pipeline scaffold of steel roof equipment and a rigid suspended scaffold. The rigid suspended scaffold comprises a plurality of steel pipe upper trusses with same structures and a plurality of suspended scaffolds with same structures, wherein each steel pipe upper truss is built between at least two upper chords of a steel roof along the vertical running direction of an equipment pipeline, and the steel pipe upper trusses are connected with each other into a whole; each suspended scaffold is suspended and built below each steel pipe upper truss along the running direction of the equipment pipeline, and the length of a suspended overhead corridor formed by the longitudinal connection of the suspended scaffolds is the same as that of the corresponding equipment pipeline. In the invention, building floor type scaffolds is not needed, and high-performance special installing machinery is not needed, thereby saving construction period and cost. The invention is suitable for public buildings, such as long-spun sports and culture stadiums and the like, and equipment pipeline construction in the steel roofs of large-scale industrial buildings and the like.