32results about How to "Sinking fast" patented technology

The invention discloses a steel-concrete composite cylinder-type foundation structure and a construction method thereof. A concrete cylinder-type transition section with a cambered wall surface is arranged on a concrete top cover; a cylinder structure which is formed by a concrete cylinder wall and a steel cylinder wall is arranged on the lower side of the concrete top cover; air blow/water pipes are uniformly arranged in the concrete cylinder wall along the radial direction; and a steel subdivision plate is arranged in the internal space of the steel cylinder wall. The construction method comprises the following steps of: prefabricating the steel-concrete composite cylinder-type foundation structure on the land; transporting the whole foundation structure to a construction site in a floating mode, and performing self-weight sinking construction and negative pressure sinking construction; after the negative pressure sinking construction is stopped, performing groundbreaking sinking construction through the air blow/water pipes; and leveling by applying different in-cabin positive pressure onto all sub-cabins through a pump system when the foundation structure is inclined in the sinking process. The foundation structure can be extremely easily sunk into a soil body to reach a designed sinking depth by overcoming the resistance of the soil body, and the sinking speed and the sinking arrival rate of a cylinder-type foundation can be substantially improved, so that the construction period of a foundation structure system is shortened, and engineering cost is greatly reduced.

The invention discloses a construction method of a high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile. For solving the problems that an existing steel tube submergence method leads to bad adhesive effect between a hollow strengthening pipe and a jet grouting body, and the entire rigidity of a tubular pile is low, the construction method of the high pressure jet grouting hollow strengthening tubular pile comprises the following steps: (1) forming a high pressure jet grouting tubular pile, (2), communicating the hollow strengthening pipe and a high spraying grouting pipe of a high spraying grouter; and (3), placing the hollow strengthening pipe into a high pressure jet grouting pile body before cement slurry is initially set, and the bottom end of the hollow strengthening pipe is located below a bed rock boundary. The high pressure jet grouting hollow strengthening tubular pile adopts the construction method of the high pressure jet grouting hollow strengthening tubular pile. The construction method of the high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile adopt a vibroflotation method to effectively adhere both the steel tube and the high pressure jet grouting body to an integration, extend the steel tube into the bed rock, and form a pile body structure with high stability.

The invention relates to the technical field of road disease detection, in particular to a pavement subsidence detection method and device based on satellite and unmanned aerial vehicle remote sensing. The method comprises the following steps of: acquiring original SAR image data of a to-be-detected road section; extracting sedimentation rate information; determining a potential occurrence position of pavement subsidence; making an inspection scheme of an unmanned aerial vehicle carrying a laser radar for reinspection; conducting road surface point cloud data processing; and judging the subsidence condition of a pavement. According to the pavement subsidence detection device and method based on satellite and unmanned aerial vehicle remote sensing, the potential position where pavement subsidence possibly occurs is found out according to the subsidence rate distribution condition, preliminary detection of pavement subsidence is achieved within a large range, the advantages of the InSAR technology are fully utilized, and manual field operation is reduced; and rapid detection of pavement subsidence is realized, the detection method is innovative, and the detection efficiency is relatively high.

The invention discloses a bottom wrapping type vibration hammer profile steel pile pulling machine and a pile pulling method. The pile pulling machine comprises a Larson type profile steel rod portionand a pile sleeve; standard channel steel and open Larson type channel steel of the pile sleeve are welded in a buckling mode, a rotation shaft is arranged on two flange plates of the standard channel steel and rotatably provided with a bottom wrapping steel plate, limiting blocks are welded to the inner surfaces of the flange plates of the standard channel steel, and the bottom wrapping steel plate is provided with triangular convex strips; and the open Larson type channel steel is welded to the bottom end of the rod portion. The pile pulling machine further comprises a main guide pipe and three branched guide pipes, and the bottom end of each branched guide pipe is provided with a spraying port. The method is characterized in that the pile pulling machine sinks to the bottom of a wastepile at a time, the bottom end of the waste pile is wrapped by the bottom wrapping steel plate, and then the waste pile is pulled out at a time. According to the pile pulling machine and the pile pulling method, the construction speed is high, the efficiency is high, the structure is relatively simple, and the manufacturing cost is low.

The invention relates to a salty mud washing process, and in particular relates to a method for improving the primary salty mud washing ability. The method comprises the following steps of adding settling agent dry powder and water into a settling agent preparation tank according to a mass ratio (0.025%-0.05%):1, and stirring the settling agent dry powder to be uniformly dissolved in the settling agent preparation tank; adding the well-dissolved settling agent and the primary salty mud into an assistant pump according to the volume ratio of 1: 10 to 20, conveying the mixture into a mud washing barrel pipeline through the assistant pump, and realizing the uniform mixing of the settling agent and the salty mud by utilizing the turbulence characteristic of the liquid inside the conveying pipeline; placing the mixture of settling agent and the salty mud into a mud washing barrel; continuing to mix the salty mud and the settling agent in the mud washing barrel, washing the mixture through the washing water, driving the magnesium hydrate (Mg(OH)2) and calcium sulfate (CaSO4) in the salty mud to be settled through the organic large molecules in the settling agent composition in the washing process, thereby realizing the settlement of the salty mud within a half hour.

The invention discloses bamboo charcoal fiber and polyester blended yarn mixing equipment. The bamboo charcoal fiber and polyester blended yarn mixing equipment structurally comprises a mixing main machine, a feeding inlet, a motor, supporting legs, a water drainage pipe and a discharging pipe, the feeding inlet is fixedly installed at the upper end of the mixing main machine in an embedded mode and communicates with the mixing main machine, and the motor is installed at the middle end of the top of the mixing main machine. A stirring outer frame rotates, meanwhile a supporting rod and a separating rod rotate together, bamboo charcoal fibers and polyester are separated and mixed, accumulation of the bamboo charcoal fibers and the polyester is avoided, an elastic band generates certain elasticity, therefore the bamboo charcoal fibers are bounced upwards, and the situation that the sinking speed of the bamboo charcoal fibers is too high is avoided; and an extrusion ball rotates along with a rotating shaft, an opening and closing plate is opened towards the left end around a torsion shaft, then air enters a pressure dividing pipe and is sprayed out from the interior of a nozzle through extrusion of an air bag bubble, so that the sunken bamboo charcoal fibers are sprayed upwards, and it is ensured that the bamboo charcoal fibers can be fully and comprehensively mixed with polyester.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for net casting. The unmanned aerial vehicle comprises a net casting assembly, a lifting mechanism assembly, an unmanned aerial vehicle main body, cover buckle assemblies and a fishing net assembly, the upper part of the net casting assembly is connected with the lower part of the unmanned aerial vehicle main body, and the lifting mechanism assembly is connected to the outer side of the net casting assembly. The number of the cover buckle assemblies is three, the three cover buckle assemblies are movably connected with the lower portion of the lifting mechanism assembly, and the fishing net assembly is arranged on the lower portion of the net casting assembly. The net casting assembly comprises a first net casting main frame body, a first connecting piece, a circular ring sliding rail and a circular ring sliding block. According to the invention, the problemthat the net cannot be completely scattered during net casting in the prior art, the sinking speed is low, the automatic net drawing cannot be realized, after the net drawing is completed, the whole net cannot float up to the water surface, and the like are solved. The invention further provides a using method of the unmanned aerial vehicle for net casting, the method is simple and convenient, theoperation of operators is facilitated, and the operators can quickly master the operation method.

The invention discloses a self-sinking fish reef comprising a self-sinking support. The self-sinking support comprises a platform, a trapezoidal support frame is arranged below the platform, and the support frame is connected by side support rods on the side faces and a bottom support rod at the bottom. Limiting columns are arranged on the portion, on the inner sides of the side support rods, below the platform. A positioning boss protruding upwards is arranged on the portion of the upper side of the platform. Multifunctional tubes are arranged at the positions close to the edge of the positioning boss. A combined reef body is arranged above the platform, and comprises annular reefs matched with the edge of the positioning boss. Through positioning holes capable of accommodating pins are formed at the side positions, close to the tops or bottoms, of the annular reefs. The self-sinking fish reef has the advantages of high sinking speed, layout stability, high proliferation efficiency, high success rate and capability of replacing proliferation varieties as required.