12results about How to "Structural support is stable" patented technology

This utility model discloses a knitted fabric, comprising: a top layer; a middle layer; and a bottom layer; the middle layer being disposed between the top layer and the bottom layer; wherein the top layer is woven from a first composite yarn, the middle layer is woven from a second composite yarn, and the bottom layer is woven from a third composite yarn. This improves perspiration wicking speed, provides high elasticity, and ensures the softness and comfort of the fabric.

The application relates to the technical field of batteries, in particular to a positive electrode material, a preparation method thereof, a positive electrode sheet and a battery. The positive electrode material comprises: an inner core, wherein the inner core comprises a high-nickel ternary positive electrode material; a first coating layer coated on the surface of the inner core, wherein the first coating layer comprises an oxide of cobalt, an oxide of titanium and an oxide of aluminum; and a second coating layer coated on the surface of the first coating layer, wherein the second coating layer comprises an oxide of selenium; wherein the surface of the high-nickel ternary positive electrode material is treated by an organic acid. The technical scheme can reduce the residual alkali on the surface of the material, effectively improve the structural stability and interface stability of the material in the long-term cycle process, and thus realize excellent cycle life and capacity retention rate.

The utility model is suitable for the technical field of glass fiber production, and provides a smelting furnace for glass fiber production. The U-shaped frame is positioned on the bottom plate; the transverse shaft is rotationally mounted on the inner wall of the U-shaped frame; the furnace body is fixedly mounted at one end of the transverse shaft; the L-shaped back plate is fixedly mounted on the bottom plate; the height adjusting mechanism is mounted on the bottom plate and is used for adjusting the pouring height of the glass fiber raw material melt; and the stirring mechanism is positioned at the top of the furnace body and is used for mixing and stirring glass fiber raw material melts in the furnace body. According to the smelting furnace for glass fiber production, glass fiber raw materials can be heated and melted, the function of pouring glass raw material melts is achieved, meanwhile, the pouring height of the glass raw material melts can be adjusted, and material taking is convenient.

The invention provides a fiber multilayer composite air filtering material and a preparation method thereof. The fiber multilayer composite air filtering material comprises a fiber base material, a metal catalyst is loaded on the fiber base material, the surface of the fiber base material is covered with a nanofiber membrane, the fiber base material is composed of alkali-treated bamboo fibers and polymer fibers, and the nanofiber membrane contains an antibacterial agent and a silane coupling agent. The fiber multilayer composite air filtering material has the advantages of high catalyst loading capacity, excellent filtering efficiency, good mechanical strength and toughness and the like, the raw materials are wide in source, the process is simple and environment-friendly, and a new way is provided for development of multifunctional air filtering materials. The invention also provides a preparation method of the fiber multilayer composite air filtering material.

The present application belongs to the field of building construction technology, and relates to a window sill construction method and a prefabricated part for a reconstruction project, comprising an original wall, a plurality of prefabricated blocks and a mortar leveling layer, the original wall and the plurality of prefabricated blocks are provided with the mortar leveling layer, the prefabricated blocks are fixed by high-strength self-leveling grouting, the original wall passes through the plurality of prefabricated blocks through a reinforcing bar connecting piece, and the original wall and the plurality of prefabricated blocks are provided with a waterproof layer outside. The combination scheme of the prefabricated blocks, the reinforcing bar connecting piece and the self-leveling grouting effectively reduces the process of the overall structure construction, improves the construction efficiency, reduces the material waste on the construction site, avoids the generation of a large amount of building material garbage, effectively saves the construction cost, and improves the effect and long-term reliability of the window sill prefabricated reconstruction project.

The utility model discloses a hydraulic support device of storage bed belongs to storage bed support technical field, including a pair of circular connecting rod, and the left and right ends of a pair of circular connecting rod are equipped with a pair of hydraulic support assembly respectively, and one end of a pair of hydraulic support assembly is equipped with buffer assembly, and the lower end of a pair of buffer assembly is equipped with the anti -collision rubber strip, and its technical scheme main points are through setting hydraulic support assembly at the left and right ends of a pair of circular connecting rod, cooperate fixed connecting rod, rotary hinged rod, bed board fixed hinged rod etc. structure, form stable support architecture, and fixed bolt mounting strip is convenient for the stable installation of support device on storage bed frame, and the linkage design of hydraulic rod and each hinged rod makes the hydraulic system action stable in the unfolding and storage process of bed board, effectively reduces the impact force, avoids the bed body to shake, improves the stability and security when using storage bed, reduces the structural slack risk caused by shaking, prolongs the service life of storage bed.

The present application relates to a kind of steel bar binding machine, comprising: mounting bracket, first driving device, second driving device, binding device;First driving device, second driving device are mounted on mounting bracket, and binding device is installed at the bottom of second driving device;Wherein, first driving device is installed in the lower part of mounting bracket, and first driving device is used to drive mounting bracket to move forward, backward, left or right along steel bar, second driving device is installed in the upper part of mounting bracket, and second driving device is used to drive binding device to move forward, backward, left or right, solve the problem of low efficiency and poor flexibility of existing steel bar binding equipment;Wherein, the mounting bracket includes upper frame, lower frame and multiple columns, and the upper frame is connected with the lower frame by column;Mounting bracket uses double-layer frame to provide stable structural support for steel bar binding machine, ensure that steel bar binding machine keeps stable when running and binding, can effectively bear the weight of each component and working impact force.

The application provides a polishing device based on sightseeing vehicle parts, and relates to the technical field of polishing devices.The polishing device comprises a polishing guide device, two lifting auxiliary parts are slidably connected to the polishing guide device, polishing driving devices are fixedly connected to the two lifting auxiliary parts, self-adapting fitting devices are fixedly connected to the polishing driving devices, fixed-point driving parts are installed on the polishing driving devices, four fixed-point local pressure applying parts are fixedly connected to the fixed-point driving parts, the device can assist in efficient fitting and polishing work, effectively avoids the influence of sightseeing vehicle shed oxidation or rust on spraying, effectively guarantees the processing quality, the polishing driving devices are arranged to cooperate with the driving fitting devices to rotate and polish, and the problems that the current polishing device based on sightseeing vehicle parts does not have a comprehensive fitting and adapting structure and does not have a local adapting and extruding structure, which easily affects the overall polishing quality, are solved.

This utility model relates to a composite insulation board cutting device, including an operating platform, a track, a limiting slide plate, a cutting drive unit, a circular saw, and a movable frame. The operating platform has a cutting strip hole. The track and the limiting slide plate are both horizontally fixed below the operating platform and are arranged parallel to the cutting strip hole. The cutting drive unit is mounted on the movable frame, and its drive end is connected to the circular saw. A portion of the circular saw extends upward from the cutting strip hole and is located above the operating platform. The movable frame has a first roller and a second roller. The first roller is rotatably connected to the track, and the second roller is rotatably connected to the bottom surface of the limiting slide plate along the length of the track. At least one side of the movable frame is also fixed with an operating handle, the height of which is not lower than the height of the operating platform. This utility model is simple and labor-saving to operate, and allows for convenient adjustment of the cutting speed at any time.

This application relates to a detour filtration and silencing system for a fan inlet, belonging to the field of fluid technology. It includes an intake pipe connected to a fan; a silencing device connected to the intake pipe; the silencing device includes an intake structure and an outlet structure; a filter structure is provided on the intake structure; the silencing device includes a housing, one end of which is closed; the intake structure is located on the pipe wall of the housing; an internal pipe is embedded within the housing; a silencing structure is provided on the outer wall of the internal pipe; the end of the internal pipe facing the closed end of the housing is open, with a gap between it and the closed end; the end of the internal pipe away from the closed end of the housing serves as the outlet structure, which is connected to the intake pipe; a gap exists between the inner wall of the housing and the outer wall of the internal pipe, called a detour gap; forming an airflow channel from the intake structure, the detour gap, the internal pipe, the outlet structure, to the intake pipe. This application integrates filtration and silencing functions, and simultaneously absorbs noise through a detour intake path, improving gas silencing performance.

This application relates to the field of storage tool technology and provides a card holder. The card holder includes a first clamping body and a second clamping body. The first clamping body is a flexible component, and the second clamping body is a rigid component. The first and second clamping bodies are connected, and a clamping space for holding cards is provided between them. The second clamping body in this application is a rigid component. This structural design provides stable structural support for the card holder, enabling it to withstand greater external forces without easily deforming, breaking, or snapping. This effectively enhances the overall durability of the card holder, reduces the risk of damage due to long-term use, and extends the card holder's service life. Simultaneously, the first and second clamping bodies, as flexible components, work together to buffer and absorb shocks when subjected to external forces, protecting the cards within the clamping space. Furthermore, the combined use of the first and second clamping bodies also makes the card holder's style less monotonous, achieving an effective fusion of two different materials.

This invention relates to the field of steel column and precast floor slab connection structure technology, and discloses a connection device and method for H-shaped steel columns and precast floor slabs, including H-shaped steel columns, support plates, and precast floor slabs; the H-shaped steel columns are fixedly connected to steel beams; the support plates are placed above the steel beams and have a connecting groove on one side, the connecting groove matching the shape of the H-shaped steel column, and the connecting groove is engaged with at least a portion of the flanges and at least a portion of the webs of the H-shaped steel column; the precast floor slab is placed above the support plates and parallel to the support plates; a clearance groove is provided at the connection position between the precast floor slab and the H-shaped steel column, and at least a portion of the H-shaped steel column is located in the clearance groove; the precast floor slab contains reinforcing bars, one end of which protrudes from the clearance groove and is fixedly connected to the H-shaped steel column; the H-shaped steel columns, support plates, and precast floor slabs are connected into an integral structure by post-cast concrete. This invention can reduce construction difficulty, ensure the integrity of the structure, reduce construction costs, and improve construction efficiency.