51results about How to "Guarantee construction efficiency" patented technology

The invention relates to a cloud manufacture capacity service modeling method based on a meta-model. The method comprises the following steps: (1) constructing a system achieving the method, enabling the system to comprise a manufacture capacity service meta-model description module, an interactive type manufacture capacity service description expansion module and a manufacture capacity service script file generating module; (2) enabling the manufacture capacity service meta-model description module to abstract the manufacture capacity service meta-model; (3) enabling the interactive type manufacture capacity service description expansion module to expand and perfect various contents of the manufacture capacity service meta-model; and (4) enabling the manufacture capacity service script file generating module to generate a service description script file which can be processed by a cloud manufacture serve engine. According to the cloud manufacture capacity service modeling method based on the meta-model, the service description script file which can be processed by the cloud manufacture service engine can be fast and effectively produced through conversion, and efficiency of capacity knowledge acquisition and model construction is ensured.

The invention discloses an amplitude separation and reverse support replacement construction method for an open-excavated single-layer twin-bore or multi-bore tunnel. For a twin-bore (multi-bore) single-layer underground road structure, the structure is free of amplitude separation, stage construction is carried out according to an open excavation and ordinal construction method and is completed in the manners of stage excavation of a foundation pit and stage implementation of the structure, the influence on current traffic is reduced, and the site space and project cost are reduced. A middle-row support structure is arranged at a stage excavation interface of the foundation pit, and reverse support replacement from top to bottom is carried out on the middle-row support structure when thefoundation pit is excavated in the later period, so that water and soil pressure of the outer side wall of the foundation pit excavated in the later period is safely transferred to a middle wall and aslant throwing support, and the middle-row support structure is removed after safe unloading is achieved. By means of the method, the technical problems of traffic reconciliation difficulties, site deficiency and the like during construction of underground roads under the condition of narrow sites in a city can be solved.

The invention discloses an RA resin asphalt spreader. The RA resin asphalt spreader comprises a walking vehicle, wherein a control cabinet, an engine, an air compressor, a resin asphalt stirring tank and a conveying pump are arranged on the upper surface of the walking vehicle in sequence from right to left; a lifter is arranged at the leftmost end of the walking vehicle; a row of nozzles is mounted on the lifter; an electric generator is electrically connected with the air compressor; pneumatic valves are arranged on the upper surfaces of the nozzles; the air compressor is connected with the pneumatic valves through pipelines; an output port of the resin asphalt stirring tank is connected with the conveying pump through a pipe; and a flow meter and a pressure sensor are arranged between the conveying pump and the nozzles. The spreader brushes RA resin asphalt with uniformity and high efficiency. The invention further discloses a spreader cleaning device convenient for cleaning the RA resin asphalt spreader.

The invention discloses a trial paving device for stone paving and a stone paving method, and relates to the technical field of stone paving. The trial paving device can utilize a clamping mechanism to lift or release a template. The stone paving method comprises the steps of (1) placing a template on a bonding layer in a virtual paving state by using a clamping mechanism, and hammering the template so as to enable the bonding layer in the virtual paving state to be compacted and flattened by the template; (2) lifting the template by using the clamping mechanism, continuously paving a bondinglayer in a virtual paving state on the bonding layer compacted and flattened by the template, placing the template on a new bonding layer in the virtual paving state by using the clamping mechanism, and hammering the template so as to enable the new bonding layer in the virtual paving state to be compacted and flattened by the template; (3) repeating the step (2) until the thickness of the bondinglayer compacted and flattened by the template reaches the designed thickness of the bonding layer; and (4) hammering the stone on the bonding layer compacted and flattened by the template. Accordingto the invention, the labor intensity of constructors can be reduced, and the safety risk can also be reduced.

The invention discloses a compaction machine for towed plum-blossom-shaped roller impact filling of soil and stone block waste. The device structurally comprises a base, the device comprises a supporting column, a pressing oil cylinder, a lock catch clamping base, a lock shaft lifting and swinging device, a plum blossom grinding roller groove, a shaft cover cap and a linkage roller rod. Accordingto the invention, the lock shaft lifting and swinging device is matched with the plum-blossom-shaped grinding roller wheel groove; the towed plum blossom petal shell block is erected on the side of the lock shaft lifting and swinging device, and then the fan plate balancing weight and the stamping cylinder support are linked to form a cambered surface three-section type rolling effect. Three-station repeated compaction operation of filling and grinding is guaranteed by matching with inertia impact; the missing perfection after one-step compaction is improved; the construction efficiency and the fineness of plum blossom petal shell block rolling are ensured; the inner frame linkage roller rod of the compactor is matched with pressure injection of the stamping cylinder support to achieve theimpact filling effect of the soil and stone block waste, the integrity of a ground surface is improved, the bilateral sides of rolling are prevented from tilting, the overlaying hammering flatteningeffect is achieved, materials are saved for building filling of the foundation soil and stone block waste, and the foundation soil and stone block waste is fully used.

The invention relates to a semantic description method for a simulation service based on a body. The invention discloses a simulation service resource modeling method oriented to networking simulation. A prototype system for the method mainly comprises a resource service modeling description module, a functional service modeling description module and an application-oriented networking simulation service modeling description module. The semantic description method comprises the concrete implementation steps: performing attribute description on various modeling simulation resources in a networking simulation platform by the resource service modeling description module; describing a functional service attribute, an interface and a service process by the functional service modeling description module; performing the static contact and dynamic logic modeling description on the networking simulation service on the basis of the networking simulation service modeling description module. According to the semantic description method, the modeling description problem of various simulation service resources characterized by different granularity, isomerism, distribution, and the like, in engineering application is solved, and the effectiveness and the reusability of various simulation service resource descriptions in networking simulation engineering application are ensured.

The invention provides a fan blade storage mechanism and a combined mechanism. The fan blade storage mechanism comprises a head bracket and a tail bracket, wherein the head bracket is used for supporting the heads of fan blades; the tail bracket is used for supporting the tails of the fan blades; the head bracket and the tail bracket are arranged on supporting seats respectively; and the supporting seats are used for fixing the head bracket and the tail bracket correspondingly. Fan blade storage mechanisms are stacked in a combined manner to form the fan blade storage combined mechanism. According to the fan blade storage mechanism and the combined mechanism, the heads end and the tail ends of the fan blades can be stored, the placement stability of the fan blades and the effective height of the fan blades from the ground are ensured, and accumulated water and sludge are avoided. Moreover, the fan blade storage mechanisms can be stacked in a combined manner, so that the storage rate of the fan blades is increased; and the combined mechanisms can be detachably connected, so that transportation and storage are facilitated, an existing site is saved, and the construction efficiency is ensured.

The invention belongs to the technical field of underwater pile foundation construction. The ultra-long large-diameter pile foundation underwater operation platform unit comprises a supporting barrel and a cantilever positioning guide frame, a guide assembly is arranged on the cantilever positioning guide frame and used for conducting radial limiting supporting on the supporting barrel, a supporting assembly is arranged on the supporting barrel, and the supporting assembly is used for supporting the supporting barrel. The supporting assembly is used for supporting the cantilever positioning guide frame. The invention further discloses a super-long large-diameter pile foundation underwater operation platform and a construction method. The overall arrangement is reasonable, the problems existing in construction of an existing ultra-long large-diameter pile foundation operation platform can be effectively solved, the structural stability and the construction efficiency are improved, modular arrangement can be achieved, and construction and control over the structural stability are more convenient.

The invention relates to the technical field of building tools and discloses a lower hoisting point truss structure for a climbing frame. The lower hoisting point truss structure comprises a climbingframe lower hoisting point truss inner vertical rod. Multiple climbing lower hoisting point truss cross rods are arranged on one side of the climbing frame lower hoisting point truss inner vertical rod. A climbing frame lower hoisting point truss outer vertical rod is connected to one end of each climbing frame lower hoisting point truss cross rod. A lower hoisting point is installed on each climbing frame lower hoisting point truss outer vertical rod. The lower hoisting point truss structure is simple in structure, safe, light, low in assembling and using difficulty, simple in manufacture technology, wide in application range, and capable of being recycled, safety use of an adhering type lifting scaffold can be guaranteed, meanwhile, great labor can be effectively saved, and the construction efficiency is improved.

The invention discloses an alcohol-based fracturing fluid capable of preventing water locking and easy to dissolve and a preparation method of the alcohol-based fracturing fluid, overcomes the defects that a conventional emulsion thickening agent system fracturing fluid is poor in high-temperature resistance and high-salt resistance, and also overcomes the defects that a conventional powder thickening agent fracturing fluid system is slow in dissolution and cannot be continuously mixed for construction. According to the specific technical scheme, the method comprises the following steps: adding the suspension stabilizer into the waterproof locking agent, performing stirring until the suspension stabilizer is completely dissolved, then adding the phase inversion agent, performing uniform mixing to prepare a suspension base solution, then adding the defoaming agent and the main agent polyacrylamide polymer powder into the suspension base solution, and performing uniform stirring at a high speed to obtain the waterproof locking alcohol group fracturing fluid. The preparation process is simple and rapid, and the quick-dissolving fracturing fluid is instant, does not need to be prepared in advance, is suitable for large-scale on-site fracturing, has the properties of temperature resistance, salt resistance and easiness in flowback, and can meet the fracturing construction requirements of tight gas reservoirs with low porosity, low permeability, high water saturation and the like.

The invention discloses a cantilever beam device used for installing a steel box beam. The device comprises a main beam which is horizontally placed and provided with a lifting lug, one end of a first supporting beam is connected with the upper surface of the left end of the main beam, the other end of the first supporting beam is connected with a first concrete bridge column, one end of a second supporting beam is connected with the upper surface of the right end of the main beam, the other end of the second supporting beam is connected with a second concrete bridge column, the main beam, the first supporting beam and the second supporting beam form a U-shaped beam, and N steel stand columns are arranged on the upper surface of the main beam. The technical effects that the steel box beam can be installed conveniently, site limitation is avoided, construction efficiency is not affected, cost is low and the cantilever beam device can be conveniently disassembled and reused are achieved through the cantilever beam structure.

The invention provides a channel excavation construction method and system, and relates to the technical field of channel excavation, and the method comprises the steps: determining a pre-excavation region, planning a cruise route of an aerial camera in the pre-excavation region according to the pre-excavation region, and monitoring the arrangement points of an image head and a sensor; acquiring monitoring information acquired by the aerial camera, the monitoring image head and the sensor; establishing a BIM channel model according to the monitoring information, pre-stored design drawing information and pre-stored geological information, analyzing the BIM channel model, determining deformation sensitive points and water seepage points of the pre-excavation area, and giving out early warning; perfecting an original channel excavation scheme according to the early warning, and generating a first excavation scheme. Therefore, the safety risk can be found in time, the probability of construction accidents is reduced, and the construction efficiency is guaranteed.