25results 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 invention relates to the field of surface treatment and coating of medical materials, and discloses an electrochemical corrosion-resistant degradation-resistant material as well as a construction method and application thereof. The surface of the material comprises a composite coating, and the composite coating comprises a biological functional filler and a hydrogel high polymer material; under the environment of 37 DEG C, the corrosion voltage of the composite coating is not lower than-1.05 V, after the composite coating is used for 14 days, the cell activity is 1.2 DO / 450 nm or above, the peel strength is not lower than 300 J / m < 2 >, the adhesive power level is 3 or above, and the degradation weight loss in 28 days is lower than 6 wt%. The material has unique biological activity, antibacterial property, structural toughness and material degradation controllability, and is particularly suitable for being used as a biological functional implant material to be applied to medical interventional instruments.

The invention discloses a device for generating power at the top of a chimney, the device is directly mounted at the top of the chimney without additionally occupying land area on the ground or nearby areas, land resources are saved, maximum utilization of space is realized, large-scale ground modification is not required when the power generation device is mounted, and the device is convenient to mount and maintain. In addition, the cost for building an independent supporting frame is saved, no extra supporting frame needs are needed, the installation process is simpler, more convenient and faster, the construction period is shortened, and the human input is reduced. Meanwhile, the safety risk in the installation process is reduced, and the safety and reliability of the power generation equipment under the severe weather condition are ensured by directly fixing the power generation unit on the supporting cover body at the top of the chimney and using the high strength and stability of the chimney as a supporting foundation without complex supporting structure building at the high altitude.

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.

This invention belongs to the field of catalyst technology, specifically relating to a nickel-based reverse piezoelectric catalyst, its preparation method, and its application. The catalyst uses metallic nickel as both the active component and support, with an oxide loaded on the nickel surface to form the reversed host, and a composite piezoelectric material as the synergistic phase. By total mass, nickel accounts for 50%–95%, the oxide for 1%–50%, and the piezoelectric material for 0.1%–20%. This invention involves mixing and reducing a nickel precursor with an oxide, followed by the composite piezoelectric material to obtain the catalyst. The catalyst utilizes the mechanical force of ball milling and the piezoelectric effect to synergistically catalyze the hydrogenation of carbon dioxide to methane, abandoning traditional high-temperature thermocatalysis. This catalyst can achieve highly efficient carbon dioxide conversion under mild conditions, with 100% methane selectivity and significantly improved reaction efficiency, showing promising application prospects in the field of carbon dioxide resource utilization.

The utility model relates to display equipment technical field especially LED packaging structure and display device, LED packaging structure includes wiring layer, with the LED chip of wiring layer electricity connection, the filling layer that sets up around LED chip, set up in the sapphire layer that LED chip far away from wiring layer one side and LED chip are pasted, LED packaging structure still includes the fluorescent layer that sets up around filling layer and sapphire layer, fluorescent layer sets up around filling layer and sapphire layer, realizes spectrum conversion, when the blue light that LED chip emits irradiates on fluorescent layer, fluorescent layer absorbs part blue light and emits other color light, and the white light that mixes with blue light is obtained to realize MIP white light product, make the light that emits from LED packaging structure more uniform, improve illumination quality and visual comfort.

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.

The invention discloses a column and foundation connection node structure and a construction method thereof, and relates to the technical field of fabricated buildings, the column and foundation connection node structure comprises a base, and the top end of the base is provided with an anti-shear insertion hole; a shear-resistant seat body; the anti-shearing seat body is inserted into the anti-shearing insertion hole, so that a mortar pouring cavity I for pouring mortar is defined between the outer peripheral wall of the anti-shearing seat body and the inner peripheral wall of the anti-shearing insertion hole; an anchoring insertion hole is formed in the top end of the shear-resistant seat body; anchoring rod assemblies are fixed to the bottom ends of the stand columns, and the anchoring rod assemblies are implanted into the anchoring insertion holes so that the stand columns can be fixedly connected with the shear-resistant base body. The shear resistance, compression resistance and bending resistance of the connecting joint can be improved, the connecting stability of the joint and the safety of the overall structure are improved, the components can be prefabricated and rapidly assembled on site, site operation is reduced, and the construction period is greatly shortened.

The utility model discloses a motor and a water channel sealing structure of a motor stretching shell thereof, a water channel is provided with an opening for cooling liquid to flow in and out, the water channel penetrates through two ends of the motor stretching shell in the length direction and is provided with two mounting ports, and the part of the water channel between the two mounting ports is a main body part. The width of the main body part is smaller than that of the mounting ports, the water channel sealing structure comprises two sealing rings, the two sealing rings are arranged in the two mounting ports respectively, each sealing ring comprises a supporting piece and a sealing piece which are arranged from inside to outside, each sealing piece wraps the corresponding supporting piece, a first concave-convex structure is arranged on the outer side wall of each sealing piece, and a second concave-convex structure is arranged on the outer side wall of each sealing piece. The first concave-convex structure is in contact with the side walls of the two sides of the mounting opening and then is stressed to deform so as to seal the mounting opening. According to the technical scheme, the wall thickness of the motor stretching shell can be correspondingly reduced, so that light weight is achieved, the material cost is reduced, the depth of a sealing ring groove does not need to be reserved excessively, and machining procedures are reduced.

The invention discloses a lens module base processing technology, a lens module base comprises a base body, a contact terminal and a conductive member, the contact terminal is installed on the surface of the base body, and the exposed part of the contact terminal is provided with a super-smooth surface; the method sequentially comprises the following steps that a terminal blank piece with the surface covered with a protective film is subjected to film-carrying punch forming, and a first transition piece is obtained; the first transition piece is placed in a hydrocarbon cleaning solvent of a hydrocarbon cleaning machine to be cleaned, and demolding is conducted; the first outer frame on the first transition piece is cut and removed; performing punch forming on the conductive blank to obtain a second transition piece; electroplating the surface of the second transition piece; tailor-welding the first transition piece to the second transition piece; a second transition piece in the combined piece is partially bent; performing injection molding on the assembly to obtain a base blank; and cutting the waste material on the base blank to obtain the lens module base. According to the process, the problem that the super-smooth surface on the lens module base is easy to damage in the machining process can be 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.

The utility model relates to the technical field of electric bicycles, in particular to a driving mechanism and an electric bicycle, and the driving mechanism comprises a driving shaft which is horizontally arranged, and one end of the driving shaft is provided with a flywheel; the transmission shell covers the middle part of the driving shaft, an accommodating space is formed in the transmission shell, and a transmission part is arranged in the accommodating space; and the driving motor is fixedly arranged on the transmission shell and is in transmission connection with the transmission part, and the transmission part is in transmission connection with the driving shaft and drives the driving shaft to rotate. According to the driving mechanism, the driving shaft, the transmission shell and the driving motor are arranged, and the driving motor, the transmission component and the driving shaft are arranged together and are reasonably configured, so that the structure of the driving mechanism can be simplified, and meanwhile, the transmission efficiency is improved. The design of the transmission shell not only can protect internal transmission parts, but also can provide stable structural support. The weight of the electric bicycle can be reduced, light weight is achieved, and the overall operation experience and efficiency are improved.

The thermal resistance gasket comprises a metal anti-corrosion skin, a metal core plate is arranged in the metal anti-corrosion skin, and the space between the metal core plate and the metal anti-corrosion skin is filled with graphite solution soaking glass fibers. Compared with the prior art, the thermal resistance gasket has the advantage of excellent performance. A thermal resistance barrier is formed by the special structure and material characteristics of the graphite-immersed solution glass fiber, such as in a heat exchanger, the thermal efficiency can be improved by 10-15%, and the heat loss is reduced. And the metal anti-corrosion skin and the external coating layer provide multi-layer corrosion prevention, so that the service life is prolonged, and the leakage risk is reduced. U-shaped structural components cooperate, reliable sealing is achieved, the graphite solution soaked glass fibers have the lubricity, installation is convenient, and abrasion is reduced. The metal core plate ensures structural stability, adapts to high-temperature, high-pressure and corrosive working conditions, is high in universality and is widely applied to sealing of various industrial devices.

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.

The utility model discloses a PCB (printed circuit board) drilling lubrication base plate which comprises a wood fiber board, composite fiber reinforcement layers are adhered to the top and the bottom of the wood fiber board, and a thermal resistance material layer is adhered to one side, far away from the wood fiber board, of each composite fiber reinforcement layer. One side, far away from the composite fiber reinforcement layer, of the thermal resistance material layer is bonded with a heat-conducting sheet layer, and one side, far away from the thermal resistance material layer, of the heat-conducting sheet layer is bonded with a gum dipping lubricating paper layer. The wood fiber board provides firm structural support for the base plate, it is ensured that the base plate can be kept stable and is not prone to deformation or damage in the using process, the composite fiber reinforcing layer is made of carbon fibers or glass fibers, the overall structural strength and durability of the base plate are remarkably enhanced, and the service life of the base plate is prolonged. The base plate can be effectively prevented from being torn or deformed in the drilling process, the service life is prolonged, and the gum dipping lubricating paper layer is prepared from macromolecule resin coating and has an excellent lubricating effect.

The utility model discloses a steel structural member of a prefabricated mobile house, which comprises a main beam, a cross beam component is mounted at the top end of the main beam, a fixing bolt is mounted on the cross beam component, and one side of the main beam is in threaded connection with the fixing bolt. Through cooperation of the cross beam assembly and the supporting assembly, when the steel structural part is used for assembling the prefabricated mobile house, the clamping base at one end of the cross beam body is clamped to the clamping base at the top end of the main beam, then the cross beam body and the main beam are in threaded connection through the fixing bolts, and then the buckling bases at the two ends of the supporting column are clamped to the buckling openings; then the U-shaped clamps are installed on the installation seats, and the cable-stayed steel wire ropes are installed between the two cross beam assemblies in a crossed mode through the U-shaped clamps, so that the effect of convenient installation is achieved, the problem that time and labor are consumed when an existing prefabricated mobile house is built is solved, installation can be conducted without welding, and after the prefabricated mobile house is used, the cable-stayed steel wire ropes are installed on the installation seats. And disassembly is convenient and fast, so that recycling is achieved, and resource waste is avoided.

The invention belongs to the technical field of lubricating materials, and particularly relates to a composite lubricating composition and a preparation method thereof. The composite lubricating composition comprises the following components in parts by weight: 100-200 parts of modified phenolic resin, 20-30 parts of a solid lubricant, 5-20 parts of polytetrafluoroethylene, 10-20 parts of a fiber reinforced material, 5-15 parts of a polymeric elastomer, 10-20 parts of a tackifier, 15-25 parts of a coupling agent and 2-5 parts of an antioxidant. The composite lubricating composition provided by the invention has relatively low wear rate and friction coefficient and excellent overall performance.

The utility model discloses a kind of puncture device feeding device with position correction function, it belongs to feeding equipment technical field, including feeding main part, the top surface one end of feeding main part is fixed with positioning correction mechanism, the positioning correction mechanism includes correction frame, and the top surface of correction frame is connected with transmission belt, the end head top of transmission belt is fixed with bridge, the top surface of bridge is fixed with correction table.This feeding device is driven push block by the push cylinder of correction frame two sides, and puncture device workpiece is pushed to transmission belt central axis position, cooperate infrared receiving and emitting sensor calibration, so that the workpiece it conveys keeps same axial center conveying, again cooperate baffle frame contact workpiece and generate friction, so that its workpiece rotation is placed in inner groove and realizes secondary correction, further keep in the middle and puncture device valve body angle alignment, so that workpiece keeps uniform linear in the middle feeding process, to facilitate subsequent mechanical hand to carry out grabbing feeding, improve efficiency.