33results about How to "Control float" patented technology

The invention belongs to novel materials in tunnel construction, in particular to shield synchronous grouting slurry capable of effectively controlling stratum displacement caused by shield construction and tunnel floating after escaping from the shield tail. The properties of the novel shield synchronous grouting slurry material relate to the control of stratum settlement caused by shield construction, the tunnel floating after escaping from the shield tail, and the long-term stability of the tunnel. The invention aims at overcoming the shortcoming in condensation time of conventional single-fluid activity and inertia material, mainly adopts yellow sand, lime putty and fly ash, and adds proper amount of additives to prepare the high-quality synchronous grouting material with high density, high early strength, small shrinkage deformation, good fluidity, good filling property, good stability, seismic resistance and no liquefaction. By the application of the synchronous grouting slurry in engineering test, the invention effectively controls the ground settlement and the tunnel floating after escaping from the shield tail, simultaneously excellent performance and construction effect of the synchronous grouting material obtain general consent from the building side and the construction side, and the synchronous grouting slurry has practicality and promotion value.

The invention provides a full-automatic trimming machine which comprises a feeding device, a long edge trimming device, a steering device and a short edge trimming device, wherein panels sequentially pass through the feeding device, the long edge trimming device, the steering device and the short edge trimming device; the long edge trimming device and the short edge trimming device are respectively positioned on the two adjacent sides of the steering device; and the horizontal-direction included angle of the long edge trimming device and the short edge trimming device is 90 degrees. Compared with the prior art, the trimming machine provided by the invention has the advantages that the structure is simple, the panel feeding is smooth, all the steps closely cooperate with each other, before the next step is carried out, the next work task is prepared in the precious step, the connection is close, and the working efficiency is high.

The invention relates to a soft soil foundation comprehensive pipe gallery and a construction method thereof. The soft soil foundation comprehensive pipe gallery comprises a pipe gallery body. A plurality of prestressed reinforced concrete pipe piles are arranged at the bottom of the pipe gallery body. All the prestressed reinforced concrete pipe piles are arranged in a soil body at the bottom of the pipe gallery body. The top pile heads of all the prestressed reinforced concrete pipe piles are fixedly connected with a bottom plate of the pipe gallery body. Detachable Larson steel plate piles are arranged in soil bodies on the two sides of the pipe gallery body in the longitudinal direction of the pipe gallery body correspondingly. The Larson steel plate piles and the two sides of the pipe gallery body are arranged in a spaced mode. The Larson steel plate piles form a construction side supporting structure of the pipe gallery body. According to the soft soil foundation comprehensive pipe gallery and the construction method thereof, the large settlement and floating problems of soft soil foundation pipe galleries in the prior art are solved, failure of the comprehensive pipe gallery is avoided, and the stability of the comprehensive pipe gallery is effectively ensured.

The invention relates to an oxidation ditch sewage disposal method including rotational flow spreading treatment, wherein the method includes steps of disposing sewage in a grit basin, an oxidation ditch, and a secondary sedimentation tank; backflowing at least a part of mud in the secondary sedimentation tank to a water inlet of the oxidization ditch; performing the rotational flow spreading treatment on the mud returned to the water inlet from the secondary sedimentation tank through a rotational flow spreader; intensifying the hydraulic shearing effect of the periphery of the active sludge by a speed gradient field in the rotational flow yard, and guaranteeing the high activity of zoogloea surface, removing refractory mesh impurities cpated on the surface of a flocculating body and improving the mass transfer effect from the interface of the flocculating body to the center activity zone by combining with water; meanwhile, the method pushes the sludge flow of the base layer of the oxidization ditch, thus the sludge at the aeration zone is suspended in the water body, the sludge deposition is avoided, and the sludge utilization rate is improved. Through rotational flow, the aged sludge floated for gathering the grease and air bubble is broken during the biochemical process, thereby optimizing e eluent water quality, preventing sludge expansion and improving the settling performance. The invention further relates to a device for realizing the method.

The invention discloses a crawler-type robot with an underwater posture changing function, and belongs to the field of underwater robots. The crawler-type robot solves the problem that an existing underwater robot can flexibly operate in a complex underwater environment due to the fact that a propeller changes the working posture energy consumption and is unstable. The crawler-type robot comprisesa shell, a monitoring mechanism, a vertical propeller, a horizontal propeller, two sets of posture changing mechanisms and two sets of crawler walking mechanisms, wherein the monitoring mechanism isarranged at the front end of the shell and is used for underwater monitoring, the vertical propeller is arranged in through holes in the two sides of the upper part of the shell and is used for floating and transverse inclination of the underwater robot, and a horizontal propeller is arranged at the rear end of the shell and is used for advancing and retreating and turning of the underwater robot,each crawler walking mechanism is arranged on the side walls of the two sides of the shell and used for climbing the underwater robot, and the two sets of posture changing mechanisms are arranged onthe two sides inside the shell, and are used for changing the posture of the underwater robot. The crawler-type robot is used for underwater operation.

The invention discloses a duct piece fixing pile device for fixing a shield tunnel duct piece. The duct piece fixing pile device comprises a grouting outer sleeve and a grouting inner sleeve; a connecting part and a step part are arranged at the front end of the grouting outer sleeve, the connecting part is fixedly connected with the step part, a sealing cover is arranged at the rear end of the grouting outer sleeve; a supporting part is arranged at the front end of the grouting inner sleeve, the supporting part is located on the step part, the step part is fixedly connected with the supporting part, a grouting bag is connected to the rear end of the grouting inner sleeve; threads are arranged on the outer parts of the ends, close to the connecting part, of the connecting part and the grouting outer sleeve correspondingly; and the invention further discloses a construction method of the pipe piece fixing pile device, and the construction method comprises the steps of grouting hole opening, grouting liquid stirring, grouting and the like. According to the duct piece fixing pile device for fixing the shield tunnel duct piece, fixing the tunnel duct piece in time can be carried out during shield construction, so that the construction efficiency is effectively improved, and the construction quality is improved.

The embodiment of the invention provides synchronous grouting slurry applicable to abundant water stratum tunneling. The synchronous grouting slurry is composed of the following raw materials in partsby mass: 180-220 parts of Portland cement, 710-730 parts of machine-made sand, 710-730 parts of natural sand, 45-55 parts of bentonite, 3-6 parts of a retarder, 3-6 parts of a water reducing agent and 250-350 parts of water. The synchronous grouting slurry provided by the invention is added with an appropriate amount of machine-made sand and natural sand, so that the early strength of the productis improved, the product performance is improved, the voids inside the synchronous grouting slurry can be well filled, and the compactness is improved. The water cement ratio is reduced by adjustingthe content of the water reducing agent, and the strength of the synchronous grouting slurry is improved. Meanwhile, due to the addition of the appropriate amount of the retarder and bentonite, the concretion rate, horizontal slump and stability of the synchronous grouting slurry can be improved, the setting time is shortened, and the ground surface settlement and segment uplift can be effectivelycontrolled. Moreover, the raw materials of the synchronous grouting slurry provided by the invention are local materials and are readily available, and the material cost is reduced.

The invention relates to a hydraulic vertical insertion machine. The hydraulic vertical insertion machine comprises a seat body and a first hydraulic vertical insertion device arranged on the seat body, and is characterized in that the seat body is provided with a platform on which a second hydraulic vertical insertion device is arranged; the first hydraulic vertical insertion device and the second hydraulic vertical insertion device are sequentially arranged along the axial direction of the seat body; the first hydraulic vertical insertion device is arranged below the second hydraulic vertical insertion device; and the first hydraulic vertical insertion device and the second hydraulic vertical insertion device can independently or synchronously rotate 360 degrees to regulate the verticality of a steel pipe column. The hydraulic vertical insertion machine can effectively control the up-floating of the steel pipe column and ensure the vertical precision of inserting the steel pipe column. Compared with the conventional reversed construction method, the invention has the advantages of short construction period, saved energy resources and saved cost investment. The invention discloses the hydraulic vertical insertion machine and a method for connecting a foundation pile and a steel pipe column.

The invention discloses a method for controlling bubbles to adhere to a super-aerophilic orbit on a vertical or slant upper surface. With the method, on the condition without energy input, bubbles canadhere to the super-aerophilic orbit as needed. Specifically, a super-hydrophilic flow guide plate which inclines in the direction of gravity according to a certain angle of alpha is arranged on thearea, close to a wall, of the super-aerophilic orbit; and when bubbles make contact with the super-hydrophilic flow guide plate under the action of buoyancy of themselves or upward drag force, and because of the super-aerophilic performance of the super-hydrophilic flow guide plate, bubbles move in the guiding direction of the super-hydrophilic flow guide plate till bubbles adhere to the super-aerophilic orbit smoothly and move along the super-aerophilic orbit. According to the method for controlling bubbles to adhere to the super-aerophilic orbit on a vertical or slant upper surface, bubblesare controlled to go up to float, the speed of bubbles going up is under control, no energy is input, and bubbles go up just by virtue of the buoyancy of themselves, and under the action of the factors such as the stressed drag force and wall surface adhesion force while the track of bubbles going up is under control. The method for controlling bubbles to adhere to the super-aerophilic orbit on the vertical or slant upper surface is high in applicability, the super-hydrophilic flow guide plate can be adjusted in curve radian to adapt to bubbles of different sizes, so that the purpose of controlling different bubbles to go up to float is achieved.

A pressure accumulation type deep sea suspension depth setting device comprises a shell, and the shell is provided with a pressure transmission component and a buoyancy control structure; the pressuretransmission component comprises a sealed cavity formed in the shell, a piston is arranged in the cavity in a sliding mode, one end of the piston is fixed to the bottom of the cavity through a spring, the other end of the piston is connected with a pressure sensing unit penetrating out of the shell, the pressure sensing unit is connected with the shell in a sliding mode, and an annular groove isformed in the middle of the piston. The buoyancy control structure comprises an air bag, a high-pressure air bin and a low-pressure air bin, the high-pressure air bin is filled with high-pressure air,the air bag communicates with the middle of a cylinder sleeve, and the low-pressure air bin and the high-pressure air bin communicate with the two ends of the cylinder sleeve respectively. After thedepth position of the device is greatly changed due to the influence of marine environments such as internal waves, the device can be quickly and spontaneously adjusted to be within the preset depth range.

The invention discloses a shield segment for controlling floating, a segment floating control system and a control method thereof. The shield segment comprises a ring of segment body and an expansion airbag, wherein a strip-shaped groove formed in the circumferential direction of the segment body is formed in the outer ring surface of the segment body, the strip-shaped groove is located at the top of the segment body, a through inflation hole is formed in the segment body, and the inflation hole communicates with the strip-shaped groove; and the expansion airbag is embedded in the strip-shaped groove, an air inlet of the expansion airbag is connected to the inflation hole, and the expansion airbag extends to the outside of the strip-shaped groove after being inflated and expanded and is supported between the outer ring surface of the segment body and the top hole wall of an excavated tunnel to adjust the distance between the outer ring surface of the segment body and the hole wall of the top of the tunnel. The shield segment solves the problem that the floating control effect of synchronous grouting after splicing and forming of a conventional shield segment is poor.

The invention relates to the technical field of wind power generation, in particular to a floating platform combining wind power generation and mariculture; the platform comprises a floating foundation and a mariculture device, a tower is arranged on the floating foundation, a wind generating set is arranged on the tower, the mariculture device is arranged on the floating foundation, and the tower penetrates through the mariculture device. The wind driven generator and the mariculture device are integrated on the same floating platform; on the floating platform, wind power generation and mariculture can be synergistically carried out, marine energy can be effectively and comprehensively utilized, and comprehensive benefits are improved; according to the aquaculture net cage, an original floating foundation is fully utilized, and the aquaculture net cage and the floating foundation share one anchoring system, so that the construction cost of mariculture is greatly reduced; the aquaculture net cage is located below the sea level, the influence of sea waves can be avoided, the aquaculture net cage moves along with the Y-shaped floating foundation, seawater flowing in the aquaculture net cage is accelerated, and fish aquaculture is facilitated.

The invention provides an assembly type weight device for preventing a shield tail from floating upwards, which comprises force application units oppositely arranged on the two sides of a segment feeder, one side of each force application unit is hinged to the segment feeder, each force application unit comprises a plurality of weight devices arranged along the laying direction of segments, a bearing plate is arranged on the lower side of each weight device, a steel framework is arranged on each bearing plate, and the steel framework is arranged on the lower side of each weight device. A plurality of balance weight grooves are formed in the steel framework, balance weight bodies are detachably arranged in the balance weight grooves, a plurality of walking force transmission wheels are arranged at the bottom of the bearing plate, and the walking force transmission wheels are connected with the pipe pieces in a sliding mode. The device is compact in structure and convenient to use, can be quickly mounted and assembled in a tunnel, is convenient to adjust and control, and ensures high efficiency in the construction process, high duct piece mounting accuracy and stable state.

The invention discloses a moving device for controlling upward floating of a shield tunnel and a reinforcing method, the moving device at least comprises battery cars, water storage tanks, drainage pipes, sheet-shaped steel frames and profile steel connecting pieces, and the water storage tanks are erected on the bodies of the battery cars; each duct piece hole in the shield tunnel duct piece is connected with the water storage tank through a drainage pipe; the multiple sets of sheet-shaped steel frames are arranged in the radial direction of the shield tunnel and arranged between the periphery of the water storage tank and shield tunnel segments. The profile steel connecting pieces are connected with the sheet-shaped steel frames in the radial direction of the shield tunnel. The reinforcing method comprises the following steps: (1) draining water in the tunnel hole through the duct piece holes; (2) a plurality of battery cars are adopted in the tunnel to support the water storage tank, and all sets of sheet-shaped steel frames and profile steel connecting pieces on the periphery of the water storage tank serve as steel frame supports and are used for reinforcing and supporting shield tunnel segments; the method has the advantages of rapidness, mobility, real-time performance and the like, floating of the shield tunnel can be controlled, and the safety of the shield tunnel structure is ensured.

The invention provides a full-automatic edge sawing machine for edge trimming of plates. The edge sawing machine includes a feeding device, a long edge sawing device, and a steering device; the plate passes through the feeding device, the long edge sawing device, and the steering device; the long-side sawing device and the short-side sawing device are respectively located on the two sides adjacent to the steering device, and the horizontal direction of the long-side sawing device and the short-side sawing device The angle is 90°. Compared with the prior art, the edge sawing machine provided by the present invention has a simple structure, smooth plate feeding, and each link cooperates closely. When the next link is working, the previous link starts to prepare for the next task, the connection is tight, and the work efficient.

The invention discloses a nitrogen and phosphorus removal integrated device, which comprises a pre-anoxic pond, an anaerobic pool, an anoxic pond, an aerobiotic pond, a sediment pond, and a sludge separator; the sludge separator comprises a sludge separator main body, a stirring motor, a stirring shaft, and a spiral blade; the spiral blade is arranged on the stirring shaft, and the screw space ofthe spiral blade is gradually reduced from the mud inlet side to the mud outlet side. When sludge moves forwards in the sludge separator main body, the inner part of the sludge separator main body generates great inner pressure along with gradually reduced screw space of the spiral blade, and the sludge volume is continuously reduced; for the gas density is much less than that of the sludge floc,gas is discharged from an overflow opening to the aerobiotic pond; thus the oxygen deficiency environments of the pre-anoxic pond, the anaerobic pool, and the anoxic pond are guaranteed during the degasing process, the sludge settling performance is improved; the sludge expansion, floating and bubble generation are controlled, and effluent quality is optimized.

The invention relates to a continuous pancake machine. The continuous pancake machine comprises a columnar baking pan (1) and a feeding device. A central shaft of the columnar baking pan (1) is transversely arranged, and the columnar baking pan (1) rotates in the circumferential direction; the feeding device is correspondingly arranged above the columnar baking pan (1); a heating device (2) is arranged in the columnar baking pan (1) in the circumferential direction, a separating device is arranged on one side of the columnar baking pan (1), a working track (3) of the columnar baking pan (1) isformed from the feeding device to the separating device according to the rotating direction of the columnar baking pan (1), a cleaning track (4) of the columnar baking pan (1) is formed from the separating device back to the feeding device according to the rotating direction of the columnar baking pan (1), and a cleaning device is arranged on the cleaning track (4). Through the continuous pancakemachine, continuous cake discharging and automatic feeding can be achieved, operation of a user is facilitated, the working efficiency of the user is improved, and therefore economic benefits are improved.