9results about How to "Improve internal strength" patented technology

The utility model relates to the technical field of aluminum alloy sections, in particular to a high-strength aluminum alloy section for a combined energy-saving curtain wall, which comprises a stand column, a plurality of rib columns distributed at equal intervals are arranged on the inner side of the stand column, and ribs are arranged on the periphery of each rib column. The cross beams are located on the front side and the rear side of the stand column, fixing cylinders are arranged on the inner sides of the cross beams, and reinforcing fins are fixedly connected between the peripheries of the outer surfaces of the fixing cylinders and the inner walls of the cross beams. Under the action of the rib columns, the ribs and the honeycomb fiber braid layer, the aluminum alloy profile has the advantages of high strength and large bearing load, and the problem that the aluminum alloy profile for the combined energy-saving curtain wall possibly has insufficient strength in certain specific application scenes is solved; in particular, in a large-span, high-wind-pressure or complex-modeling curtain wall system, most traditional aluminum alloy sections are designed into single cavities, and deformation is prone to occurring when large loads are borne.

The utility model discloses a seamless rolling paper tube with a reinforcing structure inside, which comprises a seamless paper tube main body, positioning grooves are symmetrically arranged at the top end and the bottom end of the inner wall of the seamless paper tube main body, and a protection mechanism for preventing the outside of the seamless paper tube main body from deforming is arranged inside the seamless paper tube main body. The protection mechanism comprises a protection ring and a positioning ring, and the protection ring and the positioning ring are arranged in the seamless paper tube body in a sliding mode and used for supporting the end position of the seamless paper tube body. According to the seamless paper tube, the protection ring, the connecting column, the bearing ring, the positioning ring, the bearing seat, the mounting bolt and the mounting ring are matched with one another, and the protection ring and the positioning ring are connected and mounted through the connecting column, so that the interior of the seamless paper tube main body is favorably supported and protected, and the internal strength of the seamless paper tube main body is conveniently increased; and meanwhile, the number of the bearing rings can be conveniently adjusted so as to adapt to seamless paper tube main bodies with different sizes.

An anti-deformation inner framework fireproof door comprises a fireproof door frame and a fireproof door body, the fireproof door frame is provided with an assembly space, the fireproof door body is assembled in the assembly space through assembly parts, the fireproof door frame is provided with assembly rods, the assembly rods and a wall are assembled, the fireproof door body is provided with a handle, and the fireproof door body is provided with an inner framework. The assembly part is an assembly hinge, the fireproof door can be further fixed and assembled well, the fireproof door can be assembled more stably, meanwhile, an anti-deformation framework is arranged in the fireproof door, the anti-deformation capacity of the interior of the fireproof door can be well enhanced through the anti-deformation framework, and the fireproof door can be assembled more stably. And the internal strength of the fireproof door is further improved.

The invention discloses a multi-channel Hall sensor burning test device and method. The device comprises a frame unit, a power source unit, a burning test unit and a control unit, the frame unit is arranged on the working ground; the power source unit is arranged inside and on the outer side of the frame unit; the burning test unit is arranged in the frame unit; the control unit is arranged inside and outside the frame unit; the frame unit and the power source unit are respectively used for providing stable support and stable direct current and alternating current power supply, and the control unit is used for adjusting a burner assembly and a test assembly in the burning test unit to carry out burning and test operation on a plurality of Hall sensors arranged on a bearing assembly in sequence. Compared with the prior art, time loss and potential error risks caused by station switching are reduced, and in addition, by switching the types of the bearing discs in the bearing assembly, the Hall sensors with different boundary dimensions and different channel numbers can be conveniently adapted.

The invention discloses a cable-stayed bridge stress and deformation optimization calculation method and system based on a segmentation method. The method comprises the steps that a main beam system model and a bridge tower system model are constructed; the inhaul cable is simplified into an elastic support, and the elastic supporting rigidity of the elastic support is calculated; selecting two independent initial parameters representing the internal force and deformation of the support; the stress and deformation of the tail end support are calculated according to the stress near the elastic support and the elastic supporting rigidity; according to the stress and deformation data of the tail end support and the boundary conditions of the tail end support, a binary primary simultaneous equation set about two independent initial parameters is established, the two independent initial parameters are solved and substituted into an internal force and deformation calculation formula of the two adjacent supports, and the internal force and deformation of each support are obtained; calculating the internal force of the bridge tower according to the internal force and deformation of each support; according to the method, efficient calculation and accurate deformation analysis of the multi-tower cable-stayed bridge are achieved by dividing the calculation process of the main beam system and the bridge tower system and considering the rigidity transfer relation between the systems.

The invention relates to the field of building construction, in particular to a space truss supporting system which comprises space truss supporting structures arranged between surrounding purlins, and each space truss supporting structure is provided with a space truss structure, adjusting pieces at the two ends and a prestress device connected with the adjusting pieces. The space truss structure is composed of a plurality of space truss standard units which are sequentially connected, each unit comprises a node, a steel support standard section, a transverse stabilizer bar, an oblique stabilizer bar and the like, and at least one layer of rectangular pyramid connecting rod structure is composed of the transverse stabilizer bar and the oblique stabilizer bar. The adjusting piece is formed by connecting an L-shaped hanging arm and an adjusting head, and the prestress device and the node can be adjustably connected. Compared with the prior art, the space truss system is constructed, the calculated length of the steel support is reduced, the horizontal and vertical stability is improved, self-weight internal force deformation is reduced, free combination can be achieved to adapt to various foundation pits, universal joints of nodes are high in adaptability, and an efficient and reliable supporting solution is provided for underground structure construction and foundation pit safety guarantee.

The utility model relates to the technical field of trailer throwing and hanging, and discloses a trailer throwing and hanging convenient device which comprises a frame, stress clamping blocks are fixedly connected to the two sides of the frame respectively, a stress frame is fixedly connected to the bottom of the frame, one end of the stress frame is fixedly connected with a corresponding clamping block, an installation frame is movably installed at one end of each stress clamping block, and the installation frame is fixedly connected with the corresponding clamping block. And a stress clamping groove is formed in the inner wall of the mounting frame. The utility model has the following advantages and effects: the stress clamping block is clamped with the stress clamping groove, the mounting rack and the frame are reinforced and fixed through the bolt, looseness is avoided after mounting, the hydraulic cylinder is started during supporting, and the hydraulic cylinder drives the hydraulic telescopic rod to stretch out and draw back, so that the supporting plate is in contact with the ground to play a supporting role; when the supporting device needs to be maintained and overhauled, after bolts are taken down, a handle on the side face of the mounting frame is pulled, and the supporting device can be pulled out and disassembled, so that disassembly and assembly are facilitated, maintenance and overhaul are more convenient, and use is safer.

The utility model relates to the technical field of wainscots, and discloses a wainscot for indoor decoration, which comprises an anti-corrosion layer, a waterproof layer, a reinforcing layer, a wormwood fiber layer, a shock absorption layer, a sound absorption layer, an isolation layer and an anti-collision layer, the waterproof layer is fixedly connected to the upper surface of the anti-corrosion layer, and the reinforcing layer is fixedly connected to the upper surface of the waterproof layer. The anti-corrosion layer is formed by laying the bamboo wood fiber boards, the bamboo wood fiber boards are light in material, not prone to deformation and aging and good in anti-corrosion effect, the service life of the attached position of the wall protection board and a wall can be guaranteed, the waterproof layer is formed by laying the plastic film, water can be prevented from permeating into the wall protection board, and the service life of the wall protection board is prolonged. The reinforcing layer is formed by laying PVC boards, the internal strength of the wall protection board can be improved, the wormwood fiber layer is formed by pressing wormwood fibers and has certain flexibility and elasticity, and when the wormwood fibers are impacted by external force, the wormwood fibers can absorb and disperse impact energy through deformation of the wormwood fibers.

The application discloses a stress luminescence type chemical anchoring fog seal layer material with blackening and wear resistance functions and a construction method thereof, and relates to the technical field of pavement engineering pre-maintenance. The fog seal layer material is prepared from near-neutral non-ionic emulsified asphalt as a stable reaction matrix, high-carbon black content activated latex slurry is introduced to realize blackening and network enhancement of the asphalt pavement, the interface bonding and mechanical-optical response triggered by traffic load are realized through core-shell structure stress luminescence particles, and the interface chemical anchoring reaction is triggered when the demulsification of the interface catalytic anti-skid aggregate. The components play a synergistic effect in the storage, construction and service stages, and finally form a reinforced seal layer with stress luminescence visual guidance, high blackness, high anti-skid and long-term durability functions on the pavement, and the application is especially suitable for improving the road traffic safety in dark environments such as tunnels and road sections without street lamps.