9results about How to "Reduce shipping weight" patented technology

The invention discloses a splicing type water retaining device for hydraulic engineering construction, and relates to the technical field of hydraulic engineering construction, in particular to the splicing type water retaining device for hydraulic engineering construction, which comprises a first outer side bottom plate and a second outer side bottom plate, a first external connection stand column and a second external connection stand column are welded to the outer wall of the first outer edge bottom plate and the outer wall of the second outer edge bottom plate correspondingly, the first outer edge bottom plate and the second outer edge bottom plate are connected through a connecting bottom plate, and the bottom of the first outer edge bottom plate, the bottom of the second outer edge bottom plate and the bottom of the connecting bottom plate are provided with deep burying assemblies correspondingly. According to the splicing type water retaining device for hydraulic engineering construction, the connecting bottom plate is of a modular splicing structure and can be flexibly adjusted according to the width of a river channel, the whole device can be adjusted as needed when the number of the extending plates and the connecting bottom plate is not determined through the first extending columns and the second extending columns, and the transportation size and weight can be greatly reduced through the modular design; the device can be repeatedly used, the engineering cost is reduced, and compared with a traditional connecting mode, the construction time is greatly saved.

The utility model provides a buoyant raft type photovoltaic floating system, and relates to the field of photovoltaic power generation. The buoyant raft type photovoltaic floating system comprises a supporting assembly, a floating assembly and a photovoltaic assembly. The supporting assembly comprises a plurality of supporting pieces arranged at intervals in the first direction. The floating assembly comprises a plurality of floating pieces, and at least one floating piece is arranged on one supporting piece. The photovoltaic assembly comprises a plurality of photovoltaic panels and purlines, the plurality of purlines are arranged on the supporting piece at intervals in the second direction perpendicular to the first direction, each photovoltaic panel is erected on at least two purlines, and the photovoltaic panels and the floating piece are arranged in a back-to-back mode. According to the floating raft type photovoltaic floating system, the supporting assembly, the floating assembly and the photovoltaic assembly form the floating raft type photovoltaic floating system, the structure of the floating raft type photovoltaic floating system is simplified, the transportation weight is reduced, materials of the floating raft type photovoltaic floating system can be conveniently transported to a shallow mud flat, and the utilization rate of the mud flat is increased.

The application discloses an assembled teaching building corridor structure and belongs to the technical field of building structure engineering, which comprises two groups of beam bodies, the bottom end of the beam body is provided with two groups of positioning mechanisms which are far away from each other, the top of the beam body is provided with a limiting groove, the upper part of the two groups of beam bodies is provided with a plurality of groups of prefabricated plate body mechanisms, the bottom end of the prefabricated plate body mechanism is fixedly provided with two groups of limiting blocks, the two groups of limiting blocks are respectively inserted into the corresponding limiting grooves, two groups of through holes are formed in the prefabricated plate body mechanism, the two groups of through holes of the two groups of adjacent prefabricated plate body mechanisms are communicated, a prestressed steel strand is arranged in the plurality of groups of through holes which are communicated and located in the same row, the two ends of the plurality of groups of prefabricated plate body mechanisms are provided with end sealing plates, the bottom of the end sealing plate is provided with a plurality of groups of high-strength bolts II, the two ends of the prestressed steel strand are arranged in the two groups of end sealing plates and are fixedly provided with steel sleeves; the application greatly reduces the single-piece transportation weight of the large-span corridor component, thereby reducing the component transportation cost.

The present invention discloses a vibration-damping and noise-reducing U-shaped beam for elevated urban rail transit. The U-shaped beam is composed of a bottom plate, a first web located on one side of the bottom plate, a second web located on the other side of the bottom, a first web upper flange located on the top of the first web, and a second web upper flange located on the top of the second web, forming a U-shaped cross-sectional structure. The first webs of the two U-shaped beams are arranged adjacent to each other, and are characterized in that the first web and the second web are both thickened structures, and the thickness gradually increases from top to bottom. The inner side and outer side of the first web are non-concentric circular curves, the inner side and outer side of the second web are non-concentric circular curves, the first web upper flange is F-shaped, and the second web upper flange is T-shaped. The bottom plate and web form of the present invention can significantly reduce the vibration and noise of the U-shaped beam, improve the durability of the bolts of auxiliary components such as sound barriers and contact networks installed on the U-beam, and reduce the workload of operation and maintenance.

The utility model relates to the technical field of refrigerated containers, and discloses a movable phase change cold storage device for a refrigerated container, which comprises a fixed frame and a plurality of box bodies arranged on the fixed frame, the plurality of box bodies are at least divided into one group; the plurality of box bodies in each group are communicated through a connecting pipe and form at least one inlet and at least one outlet which are respectively used for filling and discharging the phase change medium into and out of the box bodies before the refrigerated container is transported; the box body is of a telescopic structure and is used for automatically stretching out and drawing back to conduct volume change matched with phase change of a phase change medium when the phase change medium is subjected to phase change under the cooling effect of a refrigeration system of the refrigerated container and / or goods in the refrigerated container. A conventional mode that goods need to be precooled outside the refrigerated container is changed, the phase change cold storage technology is reasonably fused into the refrigerated container through the device, the functions of goods precooling and cold chain transportation are directly carried out in the refrigerated container, goods transfer is not needed, and the total refrigeration cost is reduced.

This invention belongs to the field of dialysis powder preparation, specifically relating to a porous, fast-dissolving sugar-containing dialysis powder and a method for preparing the porous, fast-dissolving sugar-containing dialysis powder based on freeze-drying spray. The method includes the following steps: (1) concentrating the sugar-containing dialysis solution to obtain a concentrated solution; (2) atomizing the concentrated solution and freezing the resulting atomized droplets to obtain solid ice crystal particles; (3) sublimating and drying the solid ice crystal particles under reduced pressure to obtain the porous, fast-dissolving sugar-containing dialysis powder. This dialysis powder is prepared using a specific freeze-drying spray technology, possessing the characteristics of porous particles, uniform composition, and rapid dissolution, while significantly reducing transportation volume and cost.

The invention discloses an ecological ice-temperature low-water-content keep-alive transportation method for Dongpo. The transportation method comprises the following steps: S1, before transportation, carrying out fasting temporary rearing on the Dongmaotai for 18-24 hours; s2, reducing the water temperature in the temporary culture pond from 27-30 DEG C to the transportation temperature of 16-20 DEG C at the cooling speed of 2-3 DEG C / h; s3, fishing out the fishes with weak reaction in the temporary rearing pond, loading the fishes into a packaging bag filled with seawater, filling oxygen and nitrogen for controlled atmosphere, putting the packaging bag into a low-temperature refrigerated transport box, and transporting the fishes under the condition of maintaining the constant temperature of 16-20 DEG C; and S4, transferring the east star spots to a water environment at 16-20 DEG C after keep-alive transportation, and raising the temperature to 28 + / -1 DEG C at a heating rate of 2-3 DEG C / h so as to wake up the east star spots. According to the method, through the methods of temporary rearing, gradient cooling, immersion type less-water packaging, controlled atmosphere oxygenation (oxygen and nitrogen), low-temperature transportation and recovery, the transportation cost of tropical fish east star spots is reduced, the transportation time is prolonged, the survival rate is increased, and good application value and economic benefits are achieved.

The invention discloses wall surface punching equipment and a using method thereof. The wall surface punching equipment comprises a cart and a supporting frame installed on the cart. The two sides of the supporting frame are each provided with two rotating shafts, a bearing frame is movably connected between the two rotating shafts, a fixing block is fixed to the bearing frame, a punching mechanism and a water conveying mechanism are fixed to the fixing block, the water conveying mechanism is connected with the punching mechanism, the fixing block is fixedly connected with a first telescopic rod, and a suction cup is installed at the end, away from the fixing block, of the first telescopic rod. According to the wall surface punching equipment, the rotating shaft arranged on the surface of the supporting frame is movably connected with the bearing frame, so that the bearing frame can freely rotate, when the wall surface is punched, the bearing frame is rotated, the punching mechanism corresponds to the wall surface, and the bearing frame is fixed through a suction cup; operators only need to push the trolley to punch holes in the wall surface, so that the workload of the operators can be reduced, and the trolley has a great application prospect.

The embodiment of the invention discloses a water heater with a detachable energy storage module, and relates to the technical field of water heaters, the water heater with the detachable energy storage module comprises a water tank assembly and the energy storage module, the water tank assembly comprises a water tank, the water tank is provided with an inner cavity, and a mounting position is arranged on a shell of the water tank; the energy storage module is detachably installed on the installation position, and heat exchange can be conducted between the energy storage module and liquid in the inner cavity of the water tank. Through the structural design, on one hand, reliable heat exchange between the energy storage module and the liquid in the inner cavity of the water tank can be ensured, and on the other hand, as the energy storage module can be easily disassembled and assembled from the mounting position of the water tank, the energy storage module and the water heater main body can be separately transported during transportation, the transportation weight is reduced, and the transportation cost is reduced. Therefore, the transportation difficulty is lower, and the transportation convenience is improved.