61results about How to "Reduce the impact of construction" patented technology

The invention discloses a hoisting device of an offshore wind turbine installation platform, comprising a hoisting boom and a derricking wire rope, wherein the root of the hoisting boom is hinged with a platform body of the offshore wind turbine installation platform and the tail end of the hoisting boom is connected with the derricking wire rope fixedly. The hoisting device further comprises a guide frame, wherein a wind turbine holding mechanism is arranged at the tail end of the guide frame and the tail end of the hoisting boom is hinged with the guide frame; a balance arm in parallel with the hoisting boom is arranged at one side of the guide frame, which is far away from the hoisting boom, and the hoisting boom is equal to the balance arm in length; a transverse beam in parallel with the platform body is arranged on the guide frame fixedly, the root of the balance arm is hinged to the platform body and the tail end of the balance arm is hinged to the transverse beam. According to the invention, a wind turbine can be always kept in an upright state without other auxiliary ship drawing, so positioning difficulty of the wind turbine is reduced and even big sea stormy waves cannot affect the installation of the wind turbine much, thus an offshore environment affects the construction less. The invention also discloses the offshore wind turbine installation platform provided with the hoisting device.

The invention relates to a cleaning type muddy water pipe extending device based on a three-way valve. The cleaning type muddy water pipe extending device comprises a pipe connector trolley, the three-way reversing valve is arranged on the pipe connector trolley, a joint of the three-way reversing valve is communicated with a water supply pipe, a first muddy water pipe segment of a shield tunneling machine and a second muddy water pipe segment of the shield tunneling machine; the first muddy water pipe segment comprises a muddy water pipe fixing pipe segment and a muddy water pipe walking pipe segment which walks along with the pipe connector trolley, and the muddy water pipe fixing pipe segment and the muddy water pipe walking pipe segment are connected; the muddy water pipe walking pipe segment is connected with the joint of the three-way reversing valve, and a cleaning moving plug is arranged in a pipe cavity of the water supply pipe; under the water pressure effect, the cleaning moving plug enters the muddy water pipe fixing pipe segment through the three-way reversing valve; and a plug passing indicator which is used for reminding whether the cleaning moving plug passes through and enters the muddy water pipe fixing pipe segment or not is arranged on the first muddy water pipe segment. According to the device, the phenomenon that during pipe connecting of the shield tunneling machine, muddy water in a muddy water pipe is directly drained to the construction site can be avoided, the influence of muddy water on construction inside a tunnel is reduced, the clean and environment-friendly use effect is achieved, and the device is simple in structure, and pipe-connecting use is convenient.

The invention discloses an open caisson construction method. Through the open caisson construction method, the ground work face is reduced, and the influence of the weather on the construction is reduced; the manner that a well wall inner formwork and a well wall outer formwork sink into the ground along with a concrete well wall is used, so that form stripping is avoided, and well bore quality is ensured; a soil taking and well bore pouring synchronization manner is adopted, so that construction efficiency is improved; a steel pipe pile is taken as the guidance, so that construction quality is ensured, and therefore the problems of large workload caused by repeated dismounting and mounting of a scaffold and a formwork, large construction area, high requirement on construction safety, long construction period, no guide measures and having difficulty in ensuring engineering quality in the prior art are solved; and the aims of improving the construction efficiency, ensuring construction quality and ensuring construction safety are achieved.

The invention discloses a super high-rise building deep foundation pit and a construction method thereof, relates to a foundation pit and aims to solve the technical problem in the prior art that water is prone to permeating into the foundation pit. The super high-rise building deep foundation pit and the construction method thereof are characterized in that the super high-rise building deep foundation pit comprises a pit body arranged in a soil body and a plurality of continuous walls arranged at the outer edge of the pit body in a surrounding manner, a plurality of supporting protecting piles arranged on the sides, close to the pit body, of the continuous walls and supporting components for supporting the supporting protecting piles, wherein the pit body is internally provided with vertical column components for fixing the supporting components, and the multiple supporting protecting piles are arranged in the circumferential directions of the continuous walls; when construction is performed, the continuous walls are cast and the supporting protecting piles are hit in, then the pit body is excavated, then the vertical column components and the supporting components are fabricated,so that the supporting protecting piles are supported, and the possibility of foundation pit collapse can be reduced; and by means of two-layer protection of the continuous walls and the supporting protecting piles, groundwater permeating into the foundation pit from positions between the continuous walls and the positions between the supporting protecting piles can be reduced, and reduction of construction influence of the permeating water on the foundation pit is facilitated.

The invention discloses a macroscopic method capable of distinguishing expansibility grade of soil mass during construction. The method is characterized in that before project implementation, a representative sample in a work area is selected and is subjected to an indoor test of a free swelling ratio, the relation among the expansibility, the lithological character, the soil mass structure, colors, crack development characteristics and the like is established, and the accuracy and the scientificity of on-site rapid distinguishing are realized; a macrocontrol index for rapid distinguishing of the expansibility grade of the soil mass is selected, and classified description and research of a control index are carried out; a soil mass expansibility distinguishing model is established, the weight of each influence factor is determined, besides, an indoor verification test is carried out, and the reliability of the model and the accuracy of the test are improved; rapid distinguishing work of the expansibility grade of the soil mass in the work area is performed on site according to the soil mass expansibility distinguishing model. The defects that a treatment scheme and treatment strength cannot be adjusted timely in the implementation process of a project according to the expansibility grade in the prior art are overcome, and the method has the advantages of capability of rapidly distinguishing expansive soil in the on-site construction process.

The invention relates to a repairing coating, solving the problem that an ordinary repairing method is low in on-site repairing quality. The repairing coating comprises base stock and a curing agent, wherein the base stock mainly comprises the following ingredients: liquid state bisphenol A, F epoxy resin, thixotropic agent, toughening agent, filler, pigment and the like; a liquid state amine type curing agent is used as the curing agent, and the use proportioning of the base stock and the curing agent is 100:23. The repairing coating is used for repairing pipes; the combination strength of a combination plane of the repairing material and a 3PE (Poly Ethylene) erosion resistant layer of a pipeline main body can meet the requirements on repairing standard of a 3PE pipeline; and moreover, the on-site engineering process is simple, the mechanization can be realized, the influence of artificial and environment factors on the engineering is reduced, and the repairing coating can be brushed and coated at low temperature of -5 DEG C.

The invention discloses an inclinometry robot. The inclinometry robot comprises an inclinometry pipe, an inclinometry part and a driving device, the inclinometry pipe comprises an underground pipe anda steering pipe which are communicated with each other, wherein an outer sleeve is sleeved outside the steering pipe; the inclinometry part comprises an inclinometer, the inclinometer comprises a protective tube and an inclinometry assembly, and rollers are installed outside the protective tube; a first guide groove is formed in the underground pipe, and a second guide groove is formed in the steering pipe; when the steering pipe rotates by 180 degrees, the roller can still enter the second guide groove along the first guide groove; the driving device comprises a lifting part and a steering part; the lifting part comprises a winch, a guide wheel and a first motor; a traction rope on the winch is connected to the protection pipe through a guide wheel; and a steering part comprises a secondmotor. The invention further discloses an inclination measuring method. According to the application, the measuring point can be accurately positioned, so the inclinometer can be detected at the determined height position, the inclinometer can accurately complete 180-degree steering, and a guarantee is provided for accurate measurement of the inclination.

The invention discloses a tunnel excavating device, and relates to the technical field of tunnel construction. The tunnel excavating device comprises an excavator. A plurality of universal wheels are arranged on the bottom of a bottom plate. The bottom plate is provided with a water tank, the water tank is provided with an opening, a first motor and a hydraulic pump are arranged on one side of the water tank, and a movable power source is arranged on one side of the first motor. A first water pipe is arranged between a liquid inlet of the hydraulic pump and the opening of the water tank. A second water pipe is arranged at the position of a liquid outlet of the hydraulic pump, and the end, far away from the liquid outlet, of the second water pipe is provided with a spray head. A conveying device is arranged on one side of the hydraulic pump, and a material collection tank is arranged on one side of the conveying device. A protection cover is arranged above the bottom plate, and the two side walls of the protection cover are fixedly connected with the two side walls of the bottom plate. The tunnel excavating device has the beneficial effects that the tunnel excavating device conveniently conducts dedusting on excavated soil blocks and can also move out the soil blocks which are excavated by the excavator in time, the construction time is shortened, and the excavating efficiency is improved.

The invention provides a cableway pipe installation method which comprises the following steps: carrying out lofting on a stiff framework according to design coordinates, and welding a temporary support and a limiting stopper through angle steel; hoisting a cableway pipe to a mounting position, and pre-fixing and locating the cableway pipe; measuring the coordinates of the upper and lower outlet points of the cableway pipe for multiple times, and repeatedly adjusting the spatial position of the cableway pipe to reach the position of the designed coordinates; and after positioning is completed, fixing the cableway pipe to the stiff framework in a spot welding mode. According to the invention, the positioning principle of a three-dimensional space straight line is applied, the position path of the space straight line can be determined only by measuring the position paths of the two points on the straight line, the positioning method is rapid and simple, complex equipment and positioning calculation are not needed, the positioning precision is high, positioning and mounting of the cableway pipe are facilitated, and the influence on follow-up stay cable construction is reduced.

The invention relates to a construction method applied to split installation of offshore wind power generators. A wind power generator is located on a bearing platform of a fan foundation and comprises a tower frame and a fan located at the upper part of the tower frame. An auxiliary platform is used for lifting the wind power generator on the fan foundation, so that the split installation of the wind power generator is achieved. Through the construction method, the auxiliary platform is used for achieving split installation of the fan; the influence of the wind wave on the installation construction of the fan is effectively reduced; the installation efficiency is improved.

The invention discloses a draining and recharging device for weathered rock fissure water and a construction method thereof, and belongs to the field of deep foundation pit underground water treatment technology construction. The draining and recharging device comprises a foundation pit, weathered rock is arranged in the foundation pit, a mounting cavity is formed in the weathered rock, a water collecting tank is mounted in the mounting cavity, a floating ball piece is mounted in the water collecting tank, a vacuum pump and a water suction pump are mounted on the water collecting tank, and the vacuum pump and the water suction pump both communicate with the water collecting tank; the vacuum pump is suitable for pumping fissure water in the weathered rock into the water collecting tank, a drainage ditch is formed between the water collecting tank and the inner wall of the foundation pit, and the water suction pump is suitable for communicating the drainage ditch with the water collecting tank through a water pipe.According to the draining and recharging device for the weathered rock fissure water and the construction method thereof, the technical problems that when the foundation pit is arranged on a weathered rock stratum in a coastal area, the foundation pit is prone to deformation, a supporting structure is unstable, pit bottom inrush occurs, and the fissure water in the weathered rock needs to be pumped out are solved, the structure is simple, the cost is low, manual operation is greatly reduced, and the draining and recharging effects are good.

The invention discloses a sinking and laying process of a large-diameter HDPE pipeline under a complex offshore working condition. A self-contained pile driver ship with the maximum hoisting weight of200t is used for hoisting the large-diameter HDPE pipeline, a truss is used for hoisting a counterweight block, the counterweight block is divided into an upper half part and a lower half part, the HDPE pipeline is fixed between the upper half part and the lower half part, and finally the HDPE pipeline is hung and laid under the sea surface to be connected. The influence of storm conditions on construction is reduced, the requirement for the construction site is reduced, the construction cost is saved, and the efficiency and the installation precision of the construction site are improved.

The invention provides an imaging system for installing an armor block of a breakwater and an application technique thereof. A three-dimensional image sonar is used for continuously scanning underwater, positioning coordinates are obtained by a positioning unit, the kinematic error is corrected by an attitude sensor, and a physical model is resolved by a computer so as to generate a three-dimensional diagram containing coordinate information and guide the installation construction of the armor block. A sonar real-time imaging technique is used for installing the underwater armor block of the breakwater, so that frequent positioning and underwater measurement and touch of divers can be omitted, a large amount of time is saved, and the safety risk is reduced; an accurate positioning result is guaranteed by self attitude correction, the influence of wind wave on construction can be effectively reduced, blocks can be accurately put and are hooked and connected with each other, the density and direction can be controlled, the installation quality of the blocks is increased, the wave resistant capability of the breakwater is guaranteed, and a crane operator can know complete information of the armor block, information asymmetry and misunderstanding from the computer in the whole installation process, so that the construction accuracy is greatly guaranteed.