118results about How to "Block delivery" patented technology

The invention discloses a flame-retardant nylon material which comprises 50-70 parts of PA (polyamide), 1-5 parts of a toughening agent, 3-5 parts of a P-series flame retardant, 3-5 parts of an N-series flame retardant and 10-20 parts of a modified polysilsesquioxane flame retardant, and the modified polysilsesquioxane flame retardant is prepared from raw materials including silsesquioxane A, a compound B and a catalyst in an alkaline environment. The silsesquioxane A comprises at least one epoxy group D, and the compound B contains a phosphorus element P and a nitrogen element N and at least comprises a halogen end group X. The flame-retardant nylon material provided by the invention is excellent in flame retardant property and dielectric property, has good processability and mechanical property, greatly improves the anti-cracking property and anti-dripping effect of the flame-retardant nylon material, and is safe and environment-friendly.

This utility model relates to the field of electromagnetic shielding materials technology, and provides an electromagnetic shielding composite material structure, including a first shielding layer and a protective structure. A second shielding layer is disposed on one side of the first shielding layer, and a protective structure is disposed inside both the first and second shielding layers. By providing the protective structure, when electromagnetic waves are incident on the electromagnetic shielding composite material, the first and second metal film layers effectively reflect most of the electromagnetic waves back to their original direction, thus preventing electromagnetic wave penetration. Furthermore, a heat insulation layer is provided to prevent heat transfer. This heat insulation layer is an electromagnetic shielding heat insulation material with functions such as heat insulation, waterproof sealing, and corrosion resistance, thereby protecting the internal structure or equipment of the composite material from the effects of high-temperature environments. Finally, a wear-resistant layer is made of transparent PET material, which has properties such as abrasion resistance and corrosion resistance.

The utility model discloses a battery cell heat insulation pad capable of releasing heat and a battery pack, the battery cell heat insulation pad comprises a heat insulation pad arranged between two battery cells, a phase-change composite filler is arranged in the heat insulation pad, the phase-change composite filler absorbs the heat of the battery cells and expands, the phase-change composite filler expands to break through the heat insulation pad, and the phase-change composite filler is filled with the phase-change composite filler. Therefore, the heat is discharged outwards. The battery pack consists of a plurality of battery cells and a plurality of heat insulation pads, wherein each heat insulation pad is arranged between two battery cells. The heat insulation structure is used for blocking heat transfer among the battery cells, can actively release heat, and effectively reduces the risk of thermal runaway of the battery cells adjacent to the battery cells.

This invention belongs to the field of agricultural herbicides and provides a photosynthetic inhibitor herbicidal composition comprising 5-aminolevulinic acid, malondialdehyde, and a herbicidal active ingredient. The herbicidal active ingredient is selected from one or a combination of several herbicides selected from acetolactate synthase inhibitors, photosynthetic system II inhibitors, or protoporphyrinogen oxidase (PPO) inhibitors. This invention utilizes the synergistic effect of 5-aminolevulinic acid, malondialdehyde, and a specific type of herbicidal active ingredient to effectively enhance the efficacy of the herbicidal active ingredient, enabling rapid and thorough weed control.

The invention discloses a composite fireproof heat insulation pad for a battery pack and a preparation method thereof, and belongs to the technical field of battery safety. The heat insulation pad is of a double-layer composite structure, the inner layer is a high-silicon-dioxide glass fiber needled felt heat insulation core layer, and the outer layer is a ceramic silica gel glass fiber cloth fireproof coating layer. The two layers are sewn into a whole through high-temperature-resistant sewing threads, and a back adhesive layer is arranged on one side of the two layers. The product provided by the invention has excellent fire resistance (can tolerate flame at 1000 DEG C for 30 minutes), excellent heat insulation, excellent flexibility and thermal shock resistance, and is convenient to install. The preparation process is simple, can be completed through cutting, wrapping and sewing and gum application, and is suitable for large-scale production. The product can effectively delay or prevent heat spreading in the battery pack, and the battery safety level of the new energy automobile is remarkably improved.

This invention proposes a plasma-heated direct reduction vertical shaft furnace and a method for reduction ironmaking. The vertical shaft furnace has a furnace body and a hopper. The furnace body includes an independent cylinder and a furnace cooling section. The independent cylinder is connected to the hopper, and hollow graphite electrodes are installed on the independent cylinder. The hollow graphite electrodes are connected to a reducing gas source device to ionize a first portion of the reducing gas supplied by the reducing gas source device and generate high-temperature ionized gas. The furnace cooling section is located below the independent cylinder and is connected to the reducing gas source device. A second portion of the reducing gas supplied by the reducing gas source device enters the furnace cooling section and is preheated by the high-temperature reduced iron therein. The preheated second portion of the reducing gas enters the independent cylinder and, together with the high-temperature ionized gas, reduces the green pellets that have entered the independent cylinder. This invention avoids the safety hazards associated with heating outside the vertical shaft furnace and the transportation of high-temperature reducing gas.

The invention provides a clinical anesthesia support structure convenient to operate, and relates to the technical field of medical instruments. The adjusting part is arranged below the beam tube part; the supporting part is arranged below the adjusting part; the blocking part is arranged above the supporting part; a cylindrical groove is formed in the top of an adjusting plate, connection of a connecting block is facilitated, then stability of a matched restraining block is kept conveniently, a fixing frame is fixed to the adjusting plate, a telescopic frame and an outer clamping frame are fixed conveniently, the telescopic frame and the outer clamping frame stretch out and draw back and turn over while stability is kept, and then the supporting range of the telescopic frame and the outer clamping frame is increased; according to the anesthesia support structure, a plurality of supporting devices are arranged, so that supporting treatment can be conveniently carried out in multiple directions in the operation process, and the problems that for an existing traditional anesthesia support structure, supporting treatment is generally achieved through stretching and retracting of a tubular structure, but due to the fact that the number of tools needed to be laid in the clinical operation process is large, supporting in different directions is inconvenient to carry out are solved.

The invention relates to the technical field of explosion protection, and discloses an anti-explosion protection device which comprises a vibration reduction partition and a buffer mechanism. The vibration reduction partition comprises a vibration reduction frame and a vibration reduction assembly, a vibration reduction cavity is formed in the vibration reduction frame, the vibration reduction assembly is arranged in the vibration reduction cavity, the vibration reduction assembly comprises elastic pieces and a mass block, the elastic pieces are supported between the vibration reduction frame and the mass block, and the elastic pieces are supported on the two opposite sides of the mass block in the anti-explosion direction of the vibration reduction frame. A deformation gap for deformation of the vibration reduction frame is reserved between the mass block and the vibration reduction frame. The buffering mechanism comprises a mounting assembly, energy absorption connecting pieces and buffering assemblies, the mounting assembly comprises a mounting frame and a connecting frame, one end of each buffering assembly is hinged to the mounting frame, the other end of each buffering assembly is hinged to the connecting frame, each buffering assembly is connected with the corresponding energy absorption connecting piece, and the buffering assemblies are used for being folded under the condition that the damping partition is impacted. And the energy absorption connecting piece is driven to generate elastic deformation.

This utility model provides a combined window frame structure, belonging to the field of window frame technology. It solves the problems of existing window frame rubber strips being difficult to clean and having poor heat insulation. This combined window frame structure includes a window frame body, a first glass window, a second glass window, a top frame, a connecting frame, a fixing frame, elastic elements, rubber strips, and heat insulation boards. In this utility model, by setting two rubber strips, the sealing effect between the second glass window and the window frame body can be improved. Furthermore, the elastic element composed of two rubber strips is detachably connected to the second glass window for easy replacement later. The left frame body and the corresponding right frame body are connected by multiple heat insulation boards, which prevent outdoor heat from being directly transferred to the interior through the window frame.

The utility model discloses an electric curtain wall type heat insulation and heat preservation horizontal sliding window, which belongs to the technical field of horizontal sliding windows and comprises a frame sectional material body and a sash sectional material body, a wear-resistant layer frame sectional material body and a wear-resistant layer sash sectional material body are of broken bridge aluminum structures, glass is arranged on the wear-resistant layer sash sectional material body, a vacuum layer is arranged inside the wear-resistant layer glass, and a heat insulation layer is arranged inside the vacuum layer. An embedded sealing edge is fixedly connected to the inner wall of the wear-resisting layer vacuum layer, a first mounting groove is formed in the inner wall of the wear-resisting layer fan profile body, and a first elastic sealing strip is arranged on the inner wall of the first mounting groove of the wear-resisting layer. Through the combination of the broken bridge aluminum alloy structures of the frame profile body and the sash profile body and the glass with the vacuum layer, heat transfer is effectively prevented, building energy consumption is reduced, a more comfortable indoor environment is provided for a user, when the sash profile body is closed, a third elastic sealing strip and a fourth elastic sealing sleeve are elastically deformed, and the service life of the sash profile body is prolonged. The third elastic sealing strip is tightly attached to the frame profile.

The utility model belongs to TOFD simulation test block technical field provides turnover equipment for TOFD simulation test block in nondestructive testing, including mobile bottom plate, both sides of mobile bottom plate all are fixed inlaying and have mobile buffer piece, the top of two mobile buffer pieces is fixed and installs the positioning board in common, the upper surface of positioning board is connected with the placement of loading tray, one side surface of mobile bottom plate is fixedly installed and has the support slide, one side of support slide is provided with driving piece, the inner wall sliding connection of support slide has the lifting slide cover. The utility model turnover equipment for TOFD simulation test block in nondestructive testing, through the linkage of driving piece and lifting structure, can be according to test block height flexible adjustment fixed pressing plate position, wherein rotates the rotary lever, through drive gear, transmission gear drive, can drive screw transmission rod rotation, can make screw transmission board drive lifting slide cover along support slide sliding.

The utility model discloses a lightweight concrete building wall which comprises a concrete wall body, and a composite mechanism is positioned and installed in the concrete wall body. The composite mechanism comprises a positioning connecting groove, an inserting positioning groove, a positioning frame, a connecting frame, a positioning triangular groove, a connecting fixing frame, a flexible sealing gasket, a triangular positioning clamping block, a heat preservation layer, a sound insulation layer, a fireproof layer and a waterproof layer. According to the lightweight concrete building wall, through the arranged composite mechanism, the positioning frame is inserted into the inner side of the insertion positioning groove, and the connecting frame at the upper end of the positioning frame and the inner wall of the positioning connecting groove are fixed through bolts; the connecting fixing frame is positioned on the inner side of the positioning frame through clamping of the triangular positioning clamping blocks, and the heat preservation layer, the sound insulation layer, the fireproof layer and the waterproof layer are arranged on the inner side of the connecting fixing frame, so that the performance in all aspects can be enhanced, the overall stability and firmness of the wall body can be improved, and the risk that the wall body cracks and falls off is reduced.

This utility model relates to the field of glue coating machine technology, and discloses a glue coating machine with a positioning glue coating mechanism, including: a roller conveyor, a roller coating machine, and a dividing and positioning mechanism. The roller coating machine is located in the middle of the roller conveyor, and the dividing and positioning mechanism is installed on the feeding side of the roller conveyor. The dividing and positioning mechanism includes several dividing plates and two support rods. Two collars are fixedly connected to the top two sides of the dividing plates, and the two collars at the top of the dividing plates are respectively sleeved on the support rods. Locking bolts are threaded to the top of the collars. Support plates are fixedly installed at both ends of the support rods, and the support plates are fixedly installed on the frame of the roller conveyor. This utility model can divide the roller conveyor into multiple areas according to the width of the sheet material through the dividing and positioning mechanism, thereby achieving parallel positioning and conveying of multiple sheets for glue coating, thus avoiding the existing single-sheet conveying and gluing, maximizing the utilization rate of the glue coating equipment, and improving processing efficiency.

The application discloses a transmission knock noise suppression method and device of a hybrid power system. The method comprises the following steps: obtaining an engine torque of an engine in the hybrid power system; determining a current operating condition of the hybrid power system under the engine torque; determining whether the current operating condition belongs to a predetermined operating condition to obtain an operating condition determination result; in the case that the operating condition determination result is that the current operating condition belongs to the predetermined operating condition, determining a rotational speed difference of a clutch; and suppressing the knock noise of the transmission by controlling the rotational speed difference of the clutch within a predetermined range. The application solves the technical problem that the knock noise of the transmission caused by the large torsional vibration transmitted from the engine to the transmission cannot be effectively suppressed in the prior art.

The application relates to the technical field of rubber dinghies, and particularly discloses an anti-collision rubber dinghy, which is provided with a high-elasticity cushion layer at the lower end of a glass fiber reinforced plastic (FRP) bottom, when the bottom of the rubber dinghy collides with an obstacle in water, the high-elasticity cushion layer can rapidly elastically deform, absorb impact energy, prevent the impact force from being transmitted to the rubber dinghy, slow down the collision speed, and thus reduce the damage caused by the collision; an inclined flow guide surface is arranged at the bottom of the bow side of the ship body, the flow guide surface is provided with an anti-collision structure, the anti-collision structure protects the bottom of the bow side of the ship body, and reduces the damage of the bottom of the ship body caused by the collision.

The utility model relates to hardware stamping technical field especially relates to a multi -position hardware stamping forming device. The multi -position hardware stamping forming device includes punch press body, locating block, positioning assembly, push plate and drive assembly, and the inside installation of punch press body has upper die holder and lower die holder, and the inside symmetry of lower die holder installs the locating block for positioning hardware spare, and positioning assembly is installed between lower die holder and locating block. The utility model provides a multi -position hardware stamping forming device through the design of positioning assembly, realizes the dynamic correction to hardware spare blank, when the upper die holder drops in the punching and forming procedure, drives the locating block to rise automatically, utilizes the slope design of locating block top to extrude blank to the middle, makes it and the closely attached board of cutting -to -size closely, thereby rectifies the position deviation caused due to vibration, push deviation in real time.

This utility model discloses a vacuum-heated glass, belonging to the field of energy-saving building materials technology. The vacuum-heated glass includes a vacuum glass unit comprising a first glass substrate, a second glass substrate, and a vacuum cavity between them; a transparent conductive layer serving as a heating element; and a low-emissivity film layer serving as a heat-reflecting layer. The key feature is that the low-emissivity film layer is disposed on the surface of the first glass substrate facing the vacuum cavity, while the transparent conductive layer is disposed on the side of the second glass substrate opposite to the vacuum cavity. This specific "heat source-vacuum layer-reflecting layer" structure allows the vacuum cavity and the heat-reflecting layer to jointly form a highly efficient thermal barrier, enabling the efficient and directional transfer of heat generated by electrical energy to the side other than the first glass substrate. This solves the problem of low heat utilization in existing heated glass and combines the dual functions of active heating and passive insulation.

This invention relates to the field of heat-sealing technology for plastic bags, and particularly to a method for improving the quality of heat-sealing. The method includes a pressing assembly comprising a first pressing assembly and a second pressing assembly that can be approached and moved away from each other. When the first and second pressing assemblies are close together, a second heating assembly cuts the plastic bag, and the first heating assembly presses both sides of the cut and performs heat sealing. The second heating assembly is fixed on a first pressing base, and a second heating wire is disposed on a thermal cutting base. A second thermally conductive diaphragm covers the outside of the second heating wire, forming a knife-edge shape. Compared with existing technologies, this invention's method for improving the quality of heat-sealing ensures complete heat sealing on both sides of the cut when the plastic bag is cut, preventing sticking to the equipment, improving the quality of heat-sealing, making automated plastic bag packaging operations more stable and reliable, facilitating continuous equipment operation, reducing maintenance costs, and enhancing the user experience.

The utility model discloses a thermal insulation wall body and an ultra-low energy consumption sandwich thermal insulation wallboard, and the thermal insulation wallboard comprises an inner wallboard, an outer wallboard, an outer wallboard, an inner wall framework and an outer wall framework, an outer wall framework is arranged in the outer wall plate; the sandwich thermal insulation layer is arranged between the inner wall plate and the outer wall plate; the connecting piece is arranged on the sandwich heat preservation layer, and the two ends of the connecting piece are connected with the inner wall framework and the outer wall framework in a pulling mode respectively; wherein the inner wall framework and the outer wall framework are both steel sheet grids, and the connecting pieces are GFRP heat blocking bolts. The combination of the steel sheet grating and the GFRP heat blocking bolt is arranged in the heat preservation wallboard, and the heat conductivity of the GFRP bolt is far lower than that of a steel sheet, so that when heat is transferred between the inner wallboard and the outer wallboard, the GFRP heat blocking bolt can obviously block heat flow and reduce the transfer amount of the heat through a connecting piece, heat transfer between the inner wallboard and the outer wallboard is effectively blocked, the heat bridge effect is reduced, and the service life of the heat preservation wallboard is prolonged. The heat preservation effect is improved, and then the building energy consumption is reduced.

This application provides a battery pack and an electrical device. The battery pack includes at least two battery cells arranged sequentially along a first direction; a heat insulation plate disposed between two adjacent battery cells; the heat insulation plate has a first thickness dimension D1mm in the first direction; the heat insulation plate includes aerogel, the aerogel having multiple pores internally, the average pore size of the multiple pores being Tmm; the area ratio of the heat insulation plate to the adjacent battery cells in the first direction is A, wherein 6*10 3 ≤D1*A / T≤5265*10 3 The battery pack and power device provided in this application embodiment are limited to 6*10 3 ≤D1*A / T≤5265*10 3 On the one hand, this allows the heat insulation plate to have a better heat insulation effect, blocking the heat transfer between two adjacent battery cells, thereby reducing the possibility of cascading thermal runaway in multiple battery cells and improving the safety of the battery pack; on the other hand, it allows the battery pack to have better space utilization and improve the energy density of the battery pack.

The present application relates to the technical field of paint, and relates to an oil-based fireproof paint and a preparation method thereof.The oil-based fireproof paint comprises the following components in parts by weight: modified epoxy resin 15-19, organic silicon modified acrylic resin 5-7, silane modified ammonium polyphosphate 10-12, pentaerythritol 5-8, zinc borate 3-5, hydrotalcite coated zinc stannate composite material 10-12, boron nitride 9-11, dispersing agent 0.8-1.2, leveling agent 0.2-0.4, polyamide wax anti-settling agent 0.6-0.8, and solvent 40-60.The oil-based fireproof paint provided by the present application improves the fire resistance limit and the flame retardancy of the paint, and achieves the best fireproof protection effect;the compatibility of the ammonium polyphosphate and the oil-based resin matrix is improved, and the fireproof performance, the long-term storage stability and the medium corrosion resistance of the cured coating are improved.

The invention relates to an electric drive (10) for a vehicle, comprising: a housing (G) having a sensor recess (SN); an electric machine (EM), which comprises the housing (G) or which is arranged in the housing (G); the invention relates to a sensor device (S) having a clamping device (HV), the sensor device (S) being insertable into a sensor recess (SN) of the housing (G) by means of the clamping device (HV), the clamping device (HV) comprising a guide region (FB) which can be positioned in the sensor recess (SN) and the guide region (FB) comprising at least one raised region (VB), the raised region (VB) being provided in the sensor recess (SN). The guide region (FB) comprises at least one raised region (VB) which protrudes from an outer surface of the guide region (FB) at a predetermined region of the outer surface, and wherein the guide region (FB) further comprises at least one sealing element (DE) at a predetermined sealing region (DB) of the outer surface of the guide region (FB), and wherein the raised region (VB) is dimensioned such that the at least one raised region (VB) protrudes from the outer surface of the guide region (FB). According to the invention, the guide region (FB) is designed such that, when the guide region (FB) is inserted into the sensor recess (SN), there is a predetermined gap (sp) between the raised region (VB) and the inner wall (IW) of the sensor recess (SN), the predetermined gap (sp) being at least partially greater than the capillary action distance.

The application provides a cooking equipment and an integrated stove, relates to the technical field of kitchen appliances, and aims to solve the technical problem of a large number of parts in the cooking equipment, low assembly efficiency, and high cost. The cooking equipment comprises an inner container assembly and a first heat insulation piece. At least part of the first heat insulation piece is arranged protruding in a direction away from the inner container assembly to form a cavity between the inner container assembly and the first heat insulation piece. In the application, the parts of the cooking equipment can be reduced while good heat dissipation of the cooking equipment is achieved, so that the assembly efficiency can be improved and the cost can be reduced.

The utility model relates to the technical field of welding machines, in particular to a multifunctional plastic welding machine. In order to solve the problems that in an existing plastic welding technology, due to high-temperature diffusion radiation of a heating plate, the temperature in a control box is too high, the service life of an electrical element is affected, the equipment clamping space is limited, and the welding requirements of various products are difficult to meet, the following technical scheme is provided; the driving mechanism is installed on the top of the base, two sets of clamps are installed on the driving mechanism, and the driving mechanism is used for driving parts clamped by the two sets of clamps to approach to achieve welding; the heating plate is arranged between the two groups of clamps and is used for heating the welding surface of the part; the moving assembly is mounted on one side of the clamp and used for driving a heating plate to move; and the calibration mechanism is positioned between the two groups of clamps. According to the utility model, the problems of limited clamping and easy electrical damage in the prior art are effectively solved, and the practicability, the welding quality and the stability of equipment are improved.

The utility model relates to a protective device for automatically controlling a secondary air door for heat recovery coking, which comprises an air inlet pipe communicated with a secondary air port of a heat recovery coke oven, a valve plate rotationally arranged in the air inlet pipe through a valve rod, and an electric actuator fixedly arranged below the valve rod and in transmission connection with the valve rod, the lower portion of the valve rod is a heat resisting section of a hollow tubular structure, an air inlet is formed in the peripheral side of the lower portion of the heat resisting section, an air outlet is formed in the peripheral side of the upper portion of the heat resisting section, an upper flange is arranged at the bottom end of the heat resisting section, the output end of the electric actuator is fixedly connected with a transmission shaft upwards, and a lower flange is arranged at the top end of the transmission shaft. A U-shaped heat insulation plate is arranged on the side, close to the heat recovery coke oven, of the electric actuator, the vertical part of the heat insulation plate is fixedly connected with the electric actuator, the upper horizontal part is rotationally connected with the transmission shaft, and the lower horizontal part is located below the electric actuator. Effective heat insulation protection of the electric actuator can be achieved from the upper side and the lower side, and the electric actuator is more practical.

The utility model relates to the field of pot pad, especially a magnetic cork pot pad, which comprises a cork base body and a magnetic adsorption assembly, the magnetic adsorption assembly is completely embedded in the cork base body and forms an integrated structure, the cork base body is an integral structure formed by hot-pressing after mixing powdery cork particles and adhesive, the magnetic adsorption assembly is directly embedded between the cork base bodies during the forming process, and the lower surface of the cork base body is provided with a heat insulation reinforcing structure. The magnetic cork pot pad realizes the close combination of the magnetic adsorption assembly and the cork base body through the innovative integrated structure design, completely eliminates the risk of cracking and magnet falling of the traditional sandwich structure, and significantly improves the durability of the product. The embedded design of the magnetic assembly not only ensures the penetration efficiency of the magnetic field lines, but also forms a heat insulation safety distance, avoids the magnetic attenuation caused by the direct contact of the magnet with the high-temperature area, and realizes the balance of the adsorption force and the heat insulation performance.

This invention discloses a nanoparticle-filled silicone rubber and its preparation method, relating to the field of polymer materials technology. The preparation method of the nanoparticle-filled silicone rubber of this invention includes the following steps: (1) adding 80-100 parts of raw silicone rubber, 10-25 parts of reinforcing filler, 1-3 parts of dimethyl hydroxy silicone oil, 3-10 parts of modified nano flame retardant, 0.05-2 parts of antioxidant, and 0.05-5 parts of lubricant to a mixing mill. Under nitrogen protection, the mixing temperature is 40-60℃, the rotation speed is 20-100 rpm, and the duration is 5-30 min to obtain a mixed mixture; (2) transferring the mixed mixture to an open mill, adding 2-5 parts of vulcanizing agent, mixing evenly, and then extruding and vulcanizing to obtain the product. The product prepared by this invention not only has good flame retardant properties but also excellent strength and toughness. The nanoparticle-filled silicone rubber of this invention can be widely used in high-grade wires and cables, aviation, aerospace, energy systems, electronics, automobiles, and other fields.

The embodiment of the utility model provides a sandwich panel for a refrigeration house, which comprises an upper-layer panel, a lower-layer panel, an upper-layer panel and a lower-layer panel, wherein the upper-layer panel is used for providing an upper closed structure and bearing a cold air environment; the lower-layer panel is parallel to the upper-layer panel and is used for providing a lower sealing structure and a supporting effect; the skeleton frame is connected between the upper-layer panel and the lower-layer panel, and the skeleton frame is of a crossed truss structure and is provided with diagonal bracings; the heat insulation core layer is filled between the upper-layer panel and the lower-layer panel and is used for preventing heat transfer; the edge sealing piece is fixedly connected to the outer side edge of the sandwich panel; beam strips of the skeleton frame are of a multi-cavity structure, a plurality of sets of independent cavities are formed in the beam strips, reinforcing ribs are embedded between the beam strips of the skeleton frame to enhance the bearing capacity, and the outer portion of the skeleton frame is covered with an anti-corrosion coating. Through the scheme of the embodiment of the invention, the bearing capacity and the anti-seismic property can be improved.