43results about How to "Reduce demolition costs" patented technology

The invention discloses a reinforced concrete structure reverse dismounting temporary supporting conversion device and an operation method thereof, and belongs to the technical field of building reverse dismounting. The device comprises jacks, bearing plates, short post connecting elements, supporting short posts and L-shaped steel, wherein the jacks, the bearing plates, the support short posts and the L-shaped steels form temporary support structures; a pair of temporary support structures are arranged at the two sides of a structure post; the vertical bearing force transmitted by the structure post is replaced; the bearing capability of the reinforced concrete structure post and a structural beam is sufficiently used, so that the vertical load is transmitted onto the temporary support structures through the structural beam; the bearing force is reasonably converted; and the safety in the reverse dismounting process is ensured. The support short posts are mainly used for bearing the vertical load; the support short posts are detachably spliced and can be repeatedly used; and a part of dismounting cost is reduced. The bearing plates are used for uniformly converting the vertical support force and ensuring the vertical support effects. Through the vertical direct conversion of the force, the stress is direct and safe.

The invention relates to the technical field of bridge removing engineering, and particularly relates to an integral lowering and removing system of span box girders based on bridge deck support and a construction method of the integral lowering and removing system. The system comprises piers which are used for lowering the two ends of a box girder, and two sets of cantilever reaction systems which are symmetrically arranged on the two ends of the lowered box girder. Each cantilever reaction system comprises two main outriggers and a hoisting cable. The ends of the two main outriggers are anchored on the corresponding pier, and the other ends are spaced by a certain distance; the hoisting cable is slidingly connected to the end parts of the main outriggers, one end of the hoisting cable is connected with a lowering power system, and the other end of the hoisting cable is connected with a hoisting device which is used for hoisting the lowered box girder. The lowering power system is installed on the main outriggers. According to the integral lowering and removing system, the box girders are lifted and lowered through continuous jacks of which hoisting capacities are large, so that the cutting area of concrete is greatly reduced, and removing cost is effectively reduced; the invention has the characteristics such as good safety, controllability, operability and application prospect, and is not only suitable for removing the straight girder bridges, but also suitable for removing the curved bridges.

The embodiment of the invention provides a violation illegal building early warning method and device and electronic equipment. The method comprises the following steps: acquiring a to-be-detected image acquired by monitoring equipment; inputting the to-be-detected image into a preset illegal building detection model to obtain a detection result output by the illegal building detection model; whenthe detection result represents that the illegal building in the predetermined construction state exists in the to-be-detected image, obtaining a comparison result of the to-be-detected image and a preset reference image, and calculating a first early warning value of the to-be-detected image based on the comparison result and the detection result; and when the first early warning value is greater than the first early warning threshold, generating first early warning information. Compared with the prior art, by applying the scheme provided by the embodiment of the invention, illegal buildingsexisting on actual buildings can be discovered in time, and effective early warning can be carried out on the illegal buildings in a predetermined construction state.

The invention relates to the technical field of pipeline transportation, in particular to an underground low-vacuum pipeline ultrahigh-speed maglev transportation system and a construction method thereof. The transportation system comprises a tunnel, a sealing cover, a supporting structure, a rail bearing beam and a magnetic levitation rail. A lining structure is arranged on the inner wall of thetunnel; the supporting structure is formed on a lining structure at the bottom in the tunnel by pouring reinforced concrete; the sealing cover extends in the length direction of the tunnel, the bottomof the sealing cover is fixedly installed at the top of the supporting structure, the sealing cover and the supporting structure are sealed through the sealing structure, and an ultrahigh-speed maglev train running space is formed between the sealing cover and the supporting structure; the bottom of the rail bearing beam is fixedly mounted at the top of the supporting structure in the sealing cover; the maglev rail is fixedly installed at the top of the rail bearing beam; and the ultra-high-speed maglev train is used for running along the maglev rail. The transportation system operates in anunderground space and can be well suitable for urban areas and mountainous areas.

The invention relates to a recreation-traffic two-in-one global tourism traffic system. The global tourism traffic system adopts overhead three-dimensional curved tracks as the tracks; and the global tourism traffic system is provided with a central junction station, branched junction stations, passing stations and a terminal station. More than two lines can be radiated around the central junction station, more than two lines can be radiated around each branched junction station, each line is provided with at least one three-dimensional curved track, and the three-dimensional curved tracks are provided with stations and/or the branched junction stations; and according to the recreation-traffic two-in-one global tourism traffic system, the non-enclosed walking tracks are adopted to form a traffic network, roller coaster type recreation experience is realized in a large tourist area with the radius from several kilometers to hundreds of kilometers, meanwhile, the stations are mounted on the walking track, each junction station and each station can correspond to different scenic spots correspondingly, the terminal station can directly lead into the scenic area, and a traffic connection function in the tourist area is realized. Only one origin station and only one terminal station can be available in the initial construction stage, and the two stations are located in different places.

The invention provides a construction method and device for installing and disassembling a gantry crane in radial type. The device comprises a rail, a gantry crane landing leg, a girder, a patand, and an assistant device mounted on the gantry crane body. While the device is used for constructing, the method comprises three steps of making the assistant device, installing the gantry crane and disassembling the gantry crane. The method and device can install and disassemble the gantry crane more conveniently, save the installing and disassembling cost, and improve the installing and disassembling safety of the gantry crane.

The invention discloses a symmetrical double-rotation blasting method. The symmetrical double-rotation blasting method comprises the following steps of: (1) completely dismantling construction objects inside a cooling tower; (2) arranging load reducing windows on the ring beam of the cooling tower and an upper barrel body, and arranging disintegration windows at the upper parts of the load reducing windows; (3) forming blast holes on the parts without the load reducing windows on a herringbone supporting leg and the ring beam, and arranging conducting tube detonators and explosive in the blast holes; and (4) detonating two points in central symmetry on the bottom circle center of the cooling tower at the same time, wherein the two detonating points are simultaneously and symmetrically rotated at constant speed explosion along clockwise or counterclockwise direction to form two instantaneous blasting openings. According to the method, surrounding facilities can be prevented from being damaged, and the cooling tower is good in disintegration effect, the dismantling cost is reduced, the method is applicable for blasting and dismantling cooling towers under various complicated conditions, the engineering investment can be saved, and the engineering process is quickened.

The invention relates to the technical field of ship construction equipment, and discloses a ship block closure opening construction platform which comprises an upper sliding rail, a lower sliding rail, a supporting frame, a workbench and a driving device, and the upper sliding rail and the lower sliding rail are vertically parallel and arranged on the outer wall of a ship block structure at intervals; the upper portion of the supporting frame is slidably connected with the upper sliding rail, and the lower portion of the supporting frame is slidably connected with the lower sliding rail. The workbench is hinged to one side of the supporting frame, an included angle is formed between the workbench and the supporting frame, and a limiting mechanism is arranged between the workbench and the supporting frame; the driving device is installed on the supporting frame and is in transmission connection with the upper sliding rail or the lower sliding rail. In the ship block closure opening construction operation, when the construction operation area needs to be changed, the workbench can be moved from one construction operation area to the next construction operation area only by driving the supporting frame to move along the upper sliding rail and the lower sliding rail, the construction platform does not need to be dismantled and rebuilt, the erecting and dismantling cost is reduced, and the construction efficiency is improved. And the construction operation efficiency can be improved.

The invention discloses a steel ladle upper water nozzle quick disassembling device, system and method, and belongs to the technical field of steel ladle water nozzle maintenance. The steel ladle upper water nozzle quick disassembling device comprises a water nozzle drawing unit and a drawing driving unit. The water nozzle drawing unit comprises a pull rod force bearing check ring, a clamping groove matching pull rod, a baffle connecting pull rod and a water nozzle drawing baffle, wherein the pull rod force bearing check ring is connected with the baffle connecting pull rod through the clamping groove matching pull rod, and the water nozzle drawing baffle is arranged at the end, far away from the pull rod force bearing check ring, of the baffle connecting pull rod. The drawing driving unit comprises a pull rod buckling component and a drawing driving oil cylinder, wherein the pull rod buckling component and the drawing driving oil cylinder are connected in a rotating mode through a pivot, and a force application clamping groove is matched with the clamping groove matching pull rod. According to the steel ladle upper water nozzle quick disassembling device, system and method, the pull rod buckling component of the drawing driving unit and the pull rod force bearing check ring of the water nozzle drawing unit are matched with each other, the drawing driving oil cylinder can be started to apply pulling force to the pull rod force bearing check ring, and therefore a steel ladle upper water nozzle can be quickly disassembled from a water nozzle pocket block.

The invention discloses a control method for a motor vehicle application station system, and belongs to the field of motor vehicle applications. The motor vehicle application station system is a double-layer operating system, an underground floor is provided with an underground parking lot, the underground parking lot is provided with an underground parking lot throat area, and an over-ground floor and the underground floor are connected through tracks in a ramp mode; the over-ground floor comprises an over-ground parking lot, an inspecting shop line, a moving line, a lead track, a double crossover, a vehicle washing track, a travelling line, temporary repairing and under-floor wheel lathe line and a middle throat, a double crossover is further arranged at the middle throat, the control method for the motor vehicle application station system comprises the method of entering the station through the underground floor, upper and lower floor transition method in the station and the methodof entering the station through the over-ground floor. The control method for the motor vehicle application station system fully utilizes the underground space and effectively solves the problems thatan existing motor vehicle application station is small in occupied area and large in vehicle storing number.

The invention provides a support replacing construction structure and method for rapidly demounting a first support of a large foundation trench. The support replacing construction structure comprises a force transmission wall which is arranged between a foundation trench structure lateral wall and a foundation trench support and fixed to a foundation trench base plate; and the force transmission wall is of a reinforced concrete structure. The first concrete support can be rapidly demounted, and favorable conditions are further provided for hoisting construction.

The invention relates to a method for rapidly removing a multilayer monolithic main wall through eccentric whole dumping. The method comprises the following steps: dividing the eave wall between two main walls into two parts with different widths; offsetting the center of gravity of the whole main wall outwards by utilizing the eave walls with different widths on both sides of each main wall and floors; and pulling each main wall from the top end to dump the main wall outwards to realize the removal with the cooperation of a lifting jack or a rope. The method has the advantages of easiness in operation, safety, high removal efficiency, high recovery ratio of tiles and reinforcing steels in the wall, low removal cost and wide scope of application.

The invention discloses a right-side and left-side driving hybrid arrangement trunk straight road network system. The system comprises at least one group of right-side driving plane functional layer and at least one group of left-side driving plane functional layer; the at least one group of right driving plane functional layer and the at least one group of left driving plane functional layer aredistributed in the vertical space direction in any sequence of upper and lower layers; and skip layer ramps are respectively arranged between the same-direction lanes of the upper and lower driving plane functional layers, so that the communication of the same-direction lanes of the upper and lower layers is realized. According to the right-side and left-side driving hybrid arrangement trunk straight road network system, double-layer and multi-layer building can be achieved, the multiple of an urban road building area is achieved under the condition that the existing urban road area rate is not changed, the urban automobile ownership can also be multiplied, and therefore, the urban traffic jam problem is solved.

According to the method, a water mill drill is creatively adopted as a cutting tool for separating the bridge body according to the special working condition of the bridge, the drilling diameter and depth of the water mill drill are selected in a targeted mode in combination with the drilling characteristics of the water mill drill and the bridge structure, and under the condition that the construction safety is guaranteed, the construction efficiency is improved. Construction can be carried out without erecting a protective shed frame or waiting for a window period of lower threading operation, so that the demolition period of the bridge is shortened, the demolition cost is reduced, and the demolition method is suitable for demolition of the box-type bridge body under special working conditions.

The invention discloses a concrete stirring system. The concrete stirring system comprises a stirring device (1), a control unit, a ground cylinder (2), a second warehouse group (3) and a conveying device (5). The stirring device (1) is provided with a first warehouse group (11), a material weighing and conveying device and a stirring machine (13). Materials in the ground cylinder (2) are conveyed into corresponding warehouses of the second warehouse group (3) through the conveying device (5). The materials in the second warehouse group (3) are conveyed into corresponding warehouses of the first warehouse group (11) through the conveying device (5). The concrete stirring system can be temporarily arranged on the construction site and can efficiently produce a large amount of concrete so that the requirements of high-rise buildings can be met.

The invention provides a cold charging alloy pipe dismounting method. The method is used for dismounting an alloy pipe of a cold charging test piece from a cold charging hole of a cold charging base through a welding heating method. The cold charging alloy pipe dismounting method comprises the steps that S1, inner wall base metal of a welding operation section is heated in an alloy pipe through a welding method, so that the inner wall base metal of the welding operation section of the alloy pipe is locally melted; S2, welding is stopped after welding operation of the welding operation section is completed, locally-molten base metal on the inner wall of the welding operation section of the alloy pipe is solidified and shrunk, the outer diameter of the outer wall of the alloy pipe is correspondingly reduced, and clearance fit is formed between the alloy pipe and the cold charging hole; and S3, the alloy pipe is separated from the cold charging base through external force such as gravity or hoisting force, and dismounting is completed. According to the cold charging alloy pipe dismounting method provided by the invention, the cold charging alloy pipe can be conveniently and efficiently dismounted, a cold charging base body is not damaged, and the method has the advantages of being stable in process, high in dismounting efficiency, low in dismounting cost, capable of saving manpower and the like, and has good practicability and economic value.

The invention discloses a non-excavation reverse dismantling method for an ultra-deep vertical shaft. The non-excavation reverse dismantling method comprises the following steps that (1) sealing, water stopping and reinforcing are conducted on a soil body around the ultra-deep vertical shaft and within a set range below the bottom of the ultra-deep vertical shaft; (2) an observation and emergency standby well is drilled in the periphery of the outer side of the reinforced soil body around the vertical shaft; (3) dismantling the internal structure of the vertical shaft layer by layer from top to bottom to guarantee a dismantling working face; when the internal structure of the vertical shaft is dismantled, the supporting structure mainly comprising the vertical shaft outer wall structure is dismantled layer by layer and confirmed to meet the design requirement layer by layer; (4) after the reinforced soil body below the vertical shaft reaches the design strength, a vertical shaft bottom plate is dismantled; (5) timely backfilling and tamping after the bottom plate of the vertical shaft is broken; (6) vertical ring-dividing dismantling is conducted from the bottom of the vertical shaft, and transverse first ring blocks are symmetrically dismantled; (7) timely backfilling and tamping within the dismantling depth range; and (8) the steps (6)-(7) are repeated, and ring-by-ring dismantling and ring-by-ring backfilling are conducted from bottom to top till dismantling and backfilling are completed. The method is simple in construction, high in efficiency and capable of saving cost and shortening the construction period.