89results about How to "Meet load-bearing requirements" patented technology

The invention provides a converter valve component used for flexible DC power transmission and IGBT submodules thereof. The converter valve component comprises an installing framework. A submodule crimping unit is fixedly arranged at the front part of the installing framework. The submodule crimping unit comprises an intermediate framework and two end plates. The intermediate framework is provided with at least two submodules and inter-module insulating stop blocks which are arranged in a spacing way along a left-and-right direction in turn. The two end plates are provided with two clamping devices. Each submodule comprises two IGBTs, three heat radiators and one thyristor. The two IBGTs and the three heat radiators are arranged in turn along the left-and-right direction in a mutual spacing way. One thyristor is arranged at the external side of the rightmost heat radiator. The corresponding fitting surface of the thyristor is fixedly installed at the external side surface of the rightmost heat radiator. The right side of the thyristor is provided with a conductive aluminum bar which is used for being matched with the rightmost heat radiator so as to clamp the thyristor. Multiple submodules can be connected in series and crimped via the two clamping devices in the submodule crimping unit so that the crimping and fixing structure of the submodules in the overall converter valve component can be effectively simplified.

The invention discloses a multifunctional trolley with a double-layer platform, and belongs to the field of carrying tools. The trolley comprises an upper-layer platform body, a bottom-layer platformbody and a pushing hand, the pushing hand is fixed at the rear portion of the bottom-layer platform body, the upper-layer platform body is installed over the bottom-layer platform body through a scissor-type lifting mechanism, and the scissor-type lifting mechanism is further internally provided with an upper-layer locking air spring; the bottom-layer platform body comprises a bottom-layer platform fixing frame and a bottom-layer platform retractable frame which are retractably matched, the rear portion of the bottom-layer platform fixing frame and the front portion of the bottom-layer platform retractable frame are provided with rolling wheels, a bottom-layer retractable air spring for keeping the bottom-layer platform retractable frame elastically extending out is arranged between the bottom-layer platform fixing frame and the bottom-layer platform retractable frame, and the rear portion of the bottom-layer platform fixing frame is provided with a linkage mechanism for driving the bottom-layer platform retractable frame to retract back. By means of the trolley, the flexible use of the double-layer platform can be achieved; the loading capacity of the double-layer trolley is improved, and the trolley is flexible and convenient to use and easier to operate.

The invention discloses a critical-patient transfer bed with a carrying function and an application method thereof and belongs to the field of medical equipment. The critical-patient transfer bed hasthe advantages that the critical-patient transfer bed is provided with a bed board which can ascend and descend and extend outwardly, sheet clamping mechanisms which can ascend and descend and extendoutwardly are arranged at the head and the tail of the transfer bed, the sheet clamping mechanism at one end has a turning function, a patient can be stably transferred between the transfer bed and ahospital bed by the coordination of the two sheet clamping mechanisms and the telescoping bed board, simple and reliable patient carrying is achieved, high carrying safety is achieved, the secondary damage problem during patient carrying is solved, and high carrying efficiency is achieved; in addition, first and second guard boards are arranged on two sides of an upper bed frame and can be horizontally spread to form expansion bed surfaces, the critical-patient transfer bed can be used as the hospital bed which can be used by the patient for a long time, and the critical-patient transfer bed is simple in structure, convenient to use, flexible to operate, low in manufacturing cost, good in market popularization value and the like.

The invention provides a large-tonnage rotation movement hydraulic machine, and belongs to the technical field of hydraulic machines. The large-tonnage rotation movement hydraulic machine comprises a hydraulic machine frame, a hydraulic station, a pressure head mechanism and a workbench, wherein the hydraulic machine frame comprises an upper beam, a lower beam and stand columns. The hydraulic station is located on the top of the hydraulic machine frame. The pressure head mechanism is hoisted below the hydraulic station. The workbench comprises a movement workbench and a rotation workbench, wherein the rotation workbench is located on an inner cavity of the movement workbench. Four travelling jack-up cylinders are symmetrically arranged below the movement workbench, three rotation jack-up cylinders which are evenly distributed are arranged below the rotation workbench in the circumferential direction of the rotation workbench, rolling wheels are arranged at the bottoms of the travelling jack-up cylinders, and rolling bearings are arranged between the rotation jack-up cylinders and the rotation workbench. The large-tonnage rotation movement hydraulic machine can be used for forming and machining large-tonnage plates, and the machining accuracy of the large-tonnage rotation movement hydraulic machine can be effectively guaranteed.

The invention discloses a rubber pad for an automobile radiator. The rubber pad comprises a shock absorbing ferrule body with two turned edges and is characterized in that an upper rigid ferrule with the turned edge is embedded into the upper part of the shock absorbing ferrule body; the inner wall on the upper part of the shock absorbing ferrule body is provided with a plurality of upper corrugates with inclination angles; a lower rigid ferrule with the turned edge is embedded into the lower part of the shock absorbing ferrule body; and the outer wall on the lower part of the shock absorbing ferrule body is provided with a plurality of lower corrugates with inclination angles. The rubber pad has the following advantages that: because the upper rigid ferrule and the lower rigid ferrule are connected through the shock absorbing ferrule body, the vibration transferred by a fan and an engine to the radiator is reduced by the relative motion of the upper rigid ferrule and the lower rigid ferrule in the shock absorbing ferrule body so as to reduce the vibration transferred by the radiator to the automobile body in the entire driving process, the rubber pad meets the requirements of the entire automobile on the bearing capacity, the shock absorption and the assembly, ensures reliable positioning of the radiator on the entire automobile and improves the comfort of the riding.

The invention relates to an aerated concrete. Each cubic meter of the concrete contains 300 to 350 kg of a siliceous material, 160 to 180 kg of a calcareous material and 0.3 to 0.5 kg of a foaming agent. The aerated concrete is characterized by further comprising ferroferric oxide and gypsum, wherein ferroferric oxide accounts for 5 to 10% of the total weight of the concrete, and the gypsum accounts for 2 to 3% of the total weight. According to the invention, ferroferric oxide is added into a conventional aerated concrete formula, so an aerated concrete brick prepared from the aerated concrete provided by the invention has effectively improved compressive strength, meets requirements of bearing and is a lightweight and anti-compression brick.

The invention provides an integrated cabinet/ frame which comprises a top (1), a bottom (3), installation stand columns (2), front and back cross beams (4) and wire groove installation plates (5). The top (1) and the bottom (3) are in up and down connection and fixation through the installation stand columns (2); the two sides of each front and back cross beam (4) are connected with the adjacent installation stand columns (2) of two cabinets/ frames respectively; and each wire groove installation plate (5) is connected with the adjacent installation stand columns (2) of the two cabinet/ frame units to form one group, the size of which is equal to or larger than that of the existing two cabinet groups. The beneficial effects are that 1) the integrated cabinet/ frame meets load-bearing requirement of the cabinet, and meanwhile, saves materials and reduces construction difficulty; 2) gap between the cabinets is enclosed, and thus front and back isolation of the cabinet is realized; 3) turbulence caused by hot and cold air is effectively prevented, and service efficiency of air conditioners in a machine room is greatly improved; and 4) a large vertical wire arrangement space can be obtained, and thus the current situation that the wire arrangement space of a common 600 mm cabinet is limited is changed, and convenience of wiring operation is allowed to be improved.

The invention provides a prefabricated steel structure laminated shear wall and a construction method thereof. Prefabricated steel structure laminated shear wall panels, each shear wall includes two double-sided thermal insulation lightweight wall panels; each wall panel is equipped with longitudinal grooves, deep grooves, and multiple rows of transverse holes, running through the Groove; the left and right sides of the wall are self-locking components welded by multiple steel plates, and the wall can choose different link locks and end locks according to different nodes. The wall has a symmetrical structure up, down, left, and right, with multiple rows of horizontally penetrating steel bars inside, the longitudinal bars are lapped or welded to the transverse bars, and the short bars are welded at the junctions of the transverse bars and the longitudinal bars. The construction method of the prefabricated steel structure laminated shear wall includes the following steps: laying out wires on site, installing a temporary fixing frame; assembling the spliced ​​shear wall in place, and connecting and fixing it with the temporary fixing frame; placing the prefabricated upper floor in place; laying hidden beam steel plates and Each additional reinforcement, laying pipelines; pouring high fluidity vibration-free concrete; proceed to the next floor for installation and construction.

The invention discloses a gas-liquid distributor with support and mass transfer function, which consists of multiple liquid phase distributing grooves to arrange parallelly along radial direction and multiple liquid phase distributing semi-grooves on two sides of liquid phase distributing groove, wherein each gap of liquid phase distributing groove and semi-groove is gas phase distributing channel, which interconnects each liquid phase distributing groove and semi-groove, the mass transfer hole is opened on the liquid phase distributing groove and semi-groove, which is compatible with mass transfer function for distributor.

The invention provides a novel car trunk cover plate and a preparation method thereof. The novel car trunk cover plate comprises an EPP foaming layer, wherein the surface of the EPP foaming layer is compounded with a first hot melt adhesive film layer, and the back of the EPP foaming layer is compounded with a second hot melt adhesive film layer; the outside of the first hot melt adhesive film layer is covered by a surface decorating layer, and the outside of the second hot melt adhesive film layer is covered by a bottom decorating layer. The used materials are completely environmentally friendly, and have no peculiar smell, any organic adhesive is not used in the production process, the in-car air quality assessment guideline is fully met, materials can be thoroughly recycled, and the lightweight of a product is enhanced by more than 50%; meanwhile, the load-bearing capacity of the product complies with the relevant weight load-bearing requirements of cars.

The invention discloses a load testing device and a method of a container crane. The device comprises a lower lifting frame and an upper lifting frame symmetrically arranged left and right; the lower lifting frame includes two first cross beams and multiple first longitudinal beams; the first cross beams and the first longitudinal beams are perpendicularly intersected; double-lug bases are arranged in the intersecting positions of the first cross beams and the first longitudinal beams; the upper lifting frame includes two second cross beams and multiple second longitudinal beams; the second cross beams and the second longitudinal beams are perpendicularly intersected; multiple stand columns are arranged at the lower parts of the intersecting positions of the second cross beams and the second longitudinal beams; fixed holes are formed in the bottoms of the stand columns; pin shafts penetrate through the fixed holes and the double-lug bases to connect the upper and lower lifting frames; container upper angle parts are arranged at the upper parts of the intersecting positions of the second cross beams and the second longitudinal beams on the left and right two sides; lifting lugs are arranged at the upper parts of the intersecting positions of the second cross beams and the second longitudinal beam at the middle part; and multiple lifting lug holes are formed in the lifting lugs. The device solves the technical problems of single purpose, incapability of adjusting lifting point positions and inconvenience for loading and unloading loads in a traditional crane load testing device.

The invention relates to a transformer for realizing voltage change through changeover of leads. The transformer comprises a high voltage bushing, low voltage bushings, a high voltage neutral point bushing, an oil storage cabinet, an oil tank, a box cover, a cooling device and a tap-changer without excitation, wherein a three-phase three-column iron core structure is arranged in the oil tank; the three-phase three-column iron core is sleeved with a low voltage winding I, a high voltage winding, a voltage adjusting winding and a low voltage winding II from inside to outside respectively; the low voltage winding I is connected in series with the low voltage winding II; the low voltage winding I is wound leftwards; the low voltage winding II is wound rightwards; the two low voltage windings are connected end to head; the head part of the low voltage winding II is arranged at the upper end; and two low voltage windings are connected with a power generator by three low voltage bushings through changeover of the leads at the upper and lower parts. According to the invention, two low voltages are realized through changeover of two sets of leads, so that the two low voltages can be guaranteed to be connected with the power generator, and the technical parameters, the field external limitations, the foundation bearings and the weight requirements of the transformer in the prior art are satisfied at the same time.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. If a chain wheel of the scraper conveying machine in the treatment system needs to be replaced, users only need to detach a plurality of bolts instead of detaching a coupler, a bearing base, an end cover and a bearing, so that the chain wheel can be replaced, the replacing procedures are greatly reduced, and the replacing efficiency is greatly improved. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention provides a novel car trunk cover plate and a preparation method thereof. The novel car trunk cover plate comprises an EPP foaming layer, wherein the surface of the EPP foaming layer is compounded with a first hot melt adhesive film layer, and the back of the EPP foaming layer is compounded with a second hot melt adhesive film layer; a surface decoration layer covers the first hot melt adhesive film layer; and a bottom decoration layer covers the second hot melt adhesive film layer. Materials are completely environmentally-friendly, do not have any odor and can be recycled by 100 percent, the lightweight of the cover plate is improved by over 50 percent, and the bearing capacity of the cover plate meets the related weight bearing requirement of automobiles.

A combined detachable chair leg comprises a middle disc seat and five single-foot connecting seats, and the five single-foot connecting seats are connected to the circumference of the middle disc seatand are uniformly distributed in the circumferential direction; the upper surface of each single-foot connecting seat is provided with an avoiding inclined plane and a matching inclined plane I whichare sequentially connected from outside to inside; the combined detachable chair leg also comprises five overturning assembly single feet in one-to-one correspondence with the single-foot connectingseats; matched inclined planes II are arranged on the inner walls of the upper sides of the ends, close to the single-foot connecting seats, of the overturning assembly single feet; an inner axial locking structure is arranged between the end, close to the middle disc seat, of each single-foot connecting seat and the end, close to the single-foot connecting seat, of the corresponding overturning assembly single foot, and when the overturning assembly single feet overturn upwards to enable the matching inclined planes I to be matched with the matching inclined planes II, the overturning assembly single feet can be limited from moving towards the side of the middle disc seat excessively in the axial direction of the single-foot connecting seats by inner axial locking structure, and an outeraxial concave-convex locking structure for preventing the corresponding overturning assembly single foot from being separated outwards along the axial direction of the corresponding single-foot connecting seat is arranged between one end, far away from the middle disc seat, of the lower surface of each single foot connecting seat and the lower side edge of the corresponding overturning assembly single foot.

The invention discloses a prefabricated self-insulation recycled concrete house system and a construction method thereof. A wall body comprises a beam column system, a structural layer and a decorative layer, wherein the decorative layer is attached to one surface of the structural layer; the beam column system comprises an upper edge beam, a lower edge beam, a left side column and a right side column; the structural layer is a multilayer brickwork, and the multilayer brickwork comprises a plurality of layers of wall bodies which are built with main building blocks, a layer of wall body whichis built with auxiliary building blocks and end building blocks; the left side column and the right side column are respectively arranged on both ends of the lower edge beam; the structural layer is built on the lower side beam and is located between the left side column and the right side column; the upper edge beam is arranged on the top of the structural layer; a first concave opening and a first convex opening are respectively formed in the outer sides of the left side column and the right side column; and a second convex opening is formed in the top of the upper edge beam, and a second concave opening is formed in the bottom of the lower edge beam. A connecting piece is arranged so as to connect the structural layer and the decorative layer, so that the assembly is convenient, and thesplicing efficiency is greatly improved.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. Material raising teeth of the slurry drying machine in the treatment system can effectively eliminate the phenomenon of journal sticking of sticky materials, and the drying treatment system of slurry is abrasion-resisting and thermal-insulation and can effectively improve production efficiency and prolong the service life. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to an assembled thermal insulation decoration composite structure slab, which belongs to the field of slabs and comprises an end part, an upper structure layer, a middle structure layer, a core layer I, a core layer II, a lower structure layer and a decoration layer, wherein, the decoration layer is adhered to the lower surface of the lower structure layer and forms an integral structure together with three layers of steel plates of the upper structure layer, the middle structure layer and the lower structure layer through riveting or welding; the spaces between the structure layers are filled with the core layers and the core layers are thermal insulation layers or support layers formed by high label concrete; the composite structure slab has the advantages of no maintenance, lightweight, large carrying capacity, thermal insulation, sound insulation, seismic resistance, long service life, convenience in construction and the like.