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53results about How to "Less assembly work" patented technology

Structure and manufacturing process of low-cost carbon fiber composite material sky railway train body

The invention discloses a structure and a manufacturing process of a low-cost carbon fiber composite material sky railway train body, and belongs to the technical field of application of composite materials on rail vehicles. The structure comprises a train body side wall, wherein end walls are assembled and connected to the both ends of the train body side wall; a top frame and a bottom frame arecorrespondingly assembled and connected to the inner top surface and the inner bottom surface of the train body side wall, a ceiling is assembled and connected to the outer top surface of the train body side wall, and a bogie mounting hole is formed in the ceiling; the train body side wall and the end walls both comprise reinforced rib frames, inner skins and outer skins, and grids of the reinforcing rib frames are filled with sandwich foam blocks; the ceiling comprises a sandwich panel, an upper skin and a lower skin, and the top frame, the bottom frame, the reinforcing rib frame, the inner skins, the outer skins, the upper skin and the lower skin are all integrally molded from carbon fiber composite materials; and the inner portions of the reinforcing rib frames are filled with sandwichfoam, and the purpose of satisfying the function and structure of the load bearing mode of a suspension-type train body on the premise of light weight of the train body is achieved.
Owner:SOUTHWEST JIAOTONG UNIV

Vertical lifting device for cassette

The invention provides a vertical lifting device for a cassette. The vertical lifting device for the cassette comprises an installation flange, a lifting corrugated tube, a lifting sleeve, a connecting element and a vertically-installed linear motor, wherein the upper end of the lifting corrugated tube is connected with the cassette, and the lower end of the lifting corrugated tube is connected with the installation flange; the upper end of the lifting sleeve is connected with the lifting corrugated tube, the lower end of the lifting sleeve is connected with the connecting element, and the linear motor is connected with the connecting element; the linear motor is used for driving the connecting element to carry out a linear motion along a vertical direction, the connecting element is used for pushing the lifting sleeve to drive the lifting corrugated tube to move, and then drive the cassette to ascend or descend along the vertical direction. On one hand, the vertical lifting device for the cassette provided by the invention is capable of simplifying the mechanism of the drive portion of the whole lifting device, and convenient to detach, install and maintain; on the other hand, the vertical lifting device for the cassette provided by the invention is capable of eliminating various location errors brought by intermediate links, and improving the location accuracy thereof.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Electromechanical integrated intelligent backboard satellite framework

The invention discloses an electromechanical integrated intelligent backboard satellite framework. The electromechanical integrated intelligent backboard satellite framework comprises an intelligent backboard, wherein the intelligent backboard adopts a sandwich structure form and comprises an upper honeycomb board, a middle honeycomb board and a lower honeycomb board and the upper honeycomb board,the middle honeycomb board and the lower honeycomb board are connected together through backboard connecting pieces in different forms through bolts; electronic equipment in the board is arranged inmounting grooves arranged in the middle honeycomb board, wiring grooves are formed among the mounting grooves, and cables among the electronic equipment in the board are wired through the wiring grooves; the upper honeycomb board and the lower honeycomb board are connected with the middle honeycomb board in a glue joint mode; the electronic equipment in the board is made into an MCM multifunctional structure form or a single board PCB form, and all parts of the electronic equipment in the board are connected through power lines, cables and optical fibers. The electromechanical integrated intelligent backboard satellite framework eliminates a large-volume component, integrates subsystems such as data transmission and power distribution networks and the like, and embeds electronic equipmentinto a composite material to form the electromechanical integrated intelligent backboard. According to the invention, the satellite system is light in weight, simple to assemble and convenient and quick to test and debug.
Owner:SHANDONG INST OF AEROSPACE ELECTRONICS TECH

Connecting structure for steel structure house module

The invention discloses a connecting structure for a steel structure house module, and relates to the technical field of steel structure house modules. The connecting structure comprises a cross beam, supporting blocks are fixedly arranged on the inner wall of the cross beam, connecting frames are fixedly arranged on one sides of the supporting blocks, buffer holes are formed in the tops of the connecting frames, springs are movably arranged on the inner walls of the buffer holes, anti-seismic holes are formed in the front face of the cross beam, rubber damping pieces are fixedly arranged on the inner walls of the anti-seismic holes, and connecting blocks are fixedly arranged on one side of the cross beam. The fixing capacity of the connecting structure is enhanced by arranging rubber pads, the shock resistance of the structure can be improved, the connecting structure can bear larger weight, the fixing capacity of the steel structure house module is improved, the shock-resistant holes and the rubber damping pieces which are matched in shape and size can conduct damping and buffering on the whole structure, therefore, the structure cannot be broken when the weight is loaded, the safety performance of the structure is enhanced, the load capacity of the structure is improved, and the stability of the steel structure house module is improved.
Owner:湖南鸿云钢模科技有限公司

Overall type steel-based platform static load test load piling method for civil engineering

The invention relates to an overall type steel-based platform static load test load piling method for civil engineering. The overall type steel-based platform static load test load piling method for civil engineering is characterized in that the method is performed according to the following steps that, a steel-based platform is selected, a jack is installed at the center of test points, a main beam is installed on the steel-based platform, a jack cylinder body and the main beam are effectively connected, and the steel-based platform and the main beam are effectively connected; a reference beam is installed, and loads are piled; after the weight of the piled loads reaches a regulated weight and a test instrument meets the test requirement according to check, test loading can be performed;after a test ends, parts of the loads are unloaded; and the steel-based platform, the main beam and part of the loads are transferred to a next test point, the above steps are repeated till detectionof the test points of the whole program ends. By means of the load piling method, the large tonnage load piling potential safety hazards can be eliminated, the detection time and the detection cost are saved, a large tonnage static load experiment can be safely and conveniently implemented, integrity is good, self moving can be achieved, speed is high, cost is low, and energy conservation and environmental protection are achieved.
Owner:张宗毅
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