14results about How to "Improve lateral strength" patented technology

The invention discloses a bamboo-wood plywood, which is formed by gluing a bamboo strip curtain layer, a wood veneer layer, a bamboo mat layer, and an impregnated paper layer. The wood veneer layer, the bamboo mat layer, and the impregnated paper layer are symmetrically arranged on both sides of the bamboo strip curtain layer in sequence. The bamboo strip curtain layer is woven from radial bamboo strips without removing bamboo green and bamboo yellow, and the bamboo mat layer is woven from chordal bamboo strips with bamboo green and bamboo yellow removed by warp and weft interweaving. The invention also discloses a preparation method of the bamboo-wood plywood. The invention has the advantages of high production efficiency, few hot pressing defects, suitable density, excellent mechanical properties, and the like.

The utility model belongs to the technical field of hoisting tools, and particularly relates to a cage for hoisting building blocks, which is characterized in that the building blocks can be more conveniently stacked and taken on the inner side of the cage by a breast board capable of being opened forwards, the time for loading and unloading the building blocks can be shortened, the risk that the building blocks collide with the edge of the cage is reduced, and in addition, the building blocks can be conveniently lifted. The whole stack of stacked building blocks can be conveniently and directly placed into the lifting cage by a forklift, the building block transportation efficiency and the use convenience of the lifting cage are improved, the strength of the breast boards can be improved while the breast boards move through the design of a plurality of hinges and a locking mechanism, the reliability of the lifting cage is improved, the whole lifting cage body can be conveniently moved by the forklift through forklift cushion blocks, and the practicability is high. The use convenience is improved, the fine screen plate can prevent fine sundries from falling off from the side face of the lifting cage, meanwhile, personnel can conveniently observe the condition in the lifting cage, the dustproof plate can prevent fine particles such as sand grains and dust from falling out of the lifting cage, and the situation that the dust flies into the air when the lifting cage is lifted, and the body health of workers is affected is prevented.

The utility model relates to a kind of portal frame and machine tool, comprising: first crossbeam and reinforcing square tube, the cavity is formed in the first crossbeam inside, the first crossbeam extends horizontally, the reinforcing square tube extends longitudinally, the reinforcing square tube is inserted into first crossbeam longitudinally and is fixedly connected with first crossbeam.The first crossbeam of the utility model is divided into multiple segments by reinforcing square tube, the first crossbeam part of the lateral two sides of reinforcing square tube is different segment, the lateral two ends of segment are supported by support structure, and the lateral length of segment is shorter than first crossbeam, so the middle part of segment is more difficult to produce bending deformation due to external force or dead weight, the first crossbeam of multiple segments is also more difficult to produce deformation, and the movement accuracy of the drive mechanism installed on the first crossbeam is improved, and the machining accuracy of workpiece is finally improved.

A double bottom structure of a hull and a manufacturing method thereof, comprising a bottom plate and an inner bottom plate, a solid rib plate welded between the bottom plate and the inner bottom plate, an opening for installing a longitudinal bone is provided on the solid rib plate, the opening comprising a first opening and a second opening, the first opening and the second opening being connected via a longitudinal groove, a longitudinal bone is installed in the opening, the longitudinal bone is welded to the bottom plate or the inner bottom plate, and the longitudinal bone is welded to the solid rib plate via the longitudinal groove. With the above structure, the longitudinal bone is not welded to the solid rib plate by a patch plate, but is directly welded to the solid rib plate, which solves the problem that the longitudinal bone and the solid rib plate are not conducive to welding by welding a patch plate, optimizes the transverse strength and local strength of the double bottom structure of the hull, improves the welding quality, and thus enhances the safety performance of the ship.

The invention belongs to the field of mineral composite material preparation, and particularly relates to a high-strength light-weight building decoration marine mineral composite material which comprises the following raw materials: coal gangue, iron ore tailings, calcite, silicon dioxide, aluminum oxide, calcium oxide, barium silicate, magnesium oxide, iron oxide, titanium oxide, potassium oxide, sodium oxide, arsenic oxide and antimony oxide. The raw material composition of the mineral composite material is limited, waste materials such as coal gangue, iron ore tailings and basalt are selected as main raw materials, so that the utilization rate of waste resources is increased, the cost is greatly reduced, the preparation method of the mineral composite material is further limited, a premix is subjected to compression molding and then is fired at 1280-1480 DEG C, and the mineral composite material is obtained. According to the preparation method, the iron ore tailings, the calcite and the coal gangue can be expanded and cracked into smaller particles, so that the shrinkage of the mineral composite material during preparation is balanced, the strength of the prepared ocean platform is ensured, and the effects of light weight, acid resistance, alkali resistance and corrosion resistance can also be achieved.

The utility model provides a reinforced wooden member which comprises a shape fixing cloth, and the shape fixing cloth is wound on a round wooden member of an ancient building. The round wood component is wound and reinforced through the shape fixing cloth, the transverse strength of the component is effectively improved, the wood deformation and cracking phenomena caused by environmental changes are remarkably reduced, the original style and appearance of an ancient building are kept, and the service life of the ancient building is prolonged.

The invention discloses a titanium alloy bonding glue and a use method thereof in the field of bonding glue. The bonding glue is prepared from the following raw material components: resin I, resin II, a 105 condensation amine epoxy curing agent and jade dianhydride, wherein the mass ratio of the resin I to the resin II to the 105 condensation amine epoxy curing agent to the jade dianhydride is (90-115): (30-40): (2-4): (15-30); the using method of the titanium alloy bonding glue comprises the following steps: bonding and fixing the first wave-shaped folding plate on the lower side of the upper side plate through the bonding glue; the lower side of the first wave-shaped folding plate is adhered and fixed with a partition plate I through an adhesive; a left sealing plate and a right sealing plate are correspondingly adhered and fixed to the left sides and the right sides of the upper side plate, the first partition plate, the second partition plate and the lower side plate through adhesive respectively; and a front sealing plate and a rear sealing plate are correspondingly adhered and fixed to the front sides and the rear sides of the upper side plate, the partition plate I, the partition plate II and the lower side plate through adhesive respectively. The bonding firmness degree of the titanium alloy can be improved, and the titanium alloy structural plate obtained through bonding forming is high in strength and light in weight.

The thermostatic expansion valve comprises a supporting component, a valve body component and a transmission component, the supporting component is located in a cavity of the valve body component and comprises a supporting frame, the supporting frame comprises a base plate part and a cylinder part, the base plate part and the cylinder part are integrated, the base plate part is fixedly connected with the valve body component, the cylinder part comprises a through hole, and the transmission component comprises a transmission rod. The transmission rod penetrates through the through hole and is in sliding fit with the through hole. The thermostatic expansion valve and the supporting frame are of an integrated structure, the part strength is improved, the lateral stress strength of the supporting frame is improved, and the product performance is improved.

The high-stability billiard lamp comprises a lamp frame and at least one lamp panel, the lamp frame comprises a plurality of lamp holders and a plurality of connecting blocks, all the lamp holders are sequentially connected end to end, any two adjacent lamp holders are connected through one connecting block, so that all the lamp holders jointly form a polygonal structure, each lamp holder comprises a plurality of folding blocks, and the folding blocks are connected through the connecting blocks. The folding blocks are sequentially connected, the folding block at the head end is connected with or separated from the folding block at the tail end, the included angle between any two adjacent folding blocks is larger than 0 degree and smaller than 180 degrees, and the lamp panel is arranged in the lamp frame. Therefore, the lamp bracket formed by the folding blocks is of a bent structure, so that the transverse strength of the formed lamp bracket can be effectively enhanced, the transverse bending resistance and the transverse torsion resistance of the lamp bracket are effectively improved, and after the lamp brackets are fixedly mounted end to end through the connecting blocks, due to the fact that the single lamp bracket is high in deformation resistance, the lamp bracket is not prone to deformation. Therefore, all parts of the polygonal structure formed by the lamp brackets are kept on the same plane, and deformation and distortion are effectively prevented.

The utility model relates to a movable discharging mechanism which comprises a machine frame, a hopper is horizontally arranged on the machine frame in a sliding mode, a walking mechanism is installed on the hopper, and an anchoring mechanism is arranged between the hopper and the machine frame. An upper beam is arranged at the top of the rack and provided with a rail, a lower beam is arranged below the upper beam, and the two sides of the upper beam and the two sides of the lower beam are connected with vertical rods. The hopper and the rack are fixed together through the anchoring mechanism, so that the hopper and the rack are prevented from sliding when being loaded; the anchoring mechanism comprises a lifter, a fixed pin shaft, an upper-end sleeve and a lower-end sleeve, the upper-end sleeve is fixedly connected with the hopper, the lower-end sleeve is fixedly connected with the rack, the fixed end of the lifter is installed on the upper portion of the upper-end sleeve, the lifting end of the lifter is connected with the fixed pin shaft through a bolt, and the fixed pin shaft is located in the upper-end sleeve. According to the utility model, the switching blanking function of a plurality of blanking ports can be realized, and the transverse strength of the rack is increased through the inclined strut mechanism.

The utility model provides a preparation device of a sodium ion battery diaphragm, the preparation device comprises an extrusion mechanism, a casting cooling mechanism, a heat treatment mechanism, a clamping mechanism and a winding mechanism, the clamping mechanism is used for clamping and fixing a prefabricated film in the transverse direction and pulling and stretching the prefabricated film in the longitudinal direction to form the diaphragm, and the winding mechanism is used for winding and forming the diaphragm. Casting, heat treatment, stretching and rolling are integrated equipment, so that the production efficiency is improved; the winding mechanism is arranged after the heat treatment procedure, and different from the existing multiple winding and unwinding procedures, the contact between the diaphragm and the winding and unwinding roller can be reduced, the surface quality of the diaphragm is improved, the production process is simplified, and the production efficiency is improved. The clamping mechanism is arranged between the winding mechanism and the heat treatment mechanism, so that the prefabricated membrane can be transversely fixed, transverse necking is reduced, and the ventilation consistency and transverse strength of the membrane are improved. The clamping mechanism draws and stretches the prefabricated film in the longitudinal direction to form the diaphragm, the contact opportunity of the diaphragm and the roller surface is reduced, and the surface quality of the diaphragm is improved.

The invention provides a regenerated cellulose fiber with a star-shaped section and a preparation method and application thereof, and relates to the technical field of textile materials. The invention provides a regenerated cellulose fiber with a star-shaped cross section. The cross section of the regenerated cellulose fiber comprises a first main body, a second main body and a third main body which are mutually crossed and have an intersection point; and the sections of the first main body, the second main body and the third main body are rectangular. The regenerated cellulose fiber provided by the invention can improve the wearing comfort and aesthetic property of fabrics.

The utility model discloses a PVC-U drain pipe with good sealing performance, which comprises a liner pipe, the surface of the liner pipe is sleeved with a sealing pipe, the surface of the liner pipe is fixedly connected with a reinforcing structure, the surface of the reinforcing structure is fixedly connected with the inner wall of the sealing pipe, the two ends of the liner pipe and the two ends of the sealing pipe are fixedly connected with rubber sealing rings, and the rubber sealing rings are fixedly connected with the rubber sealing rings. The two ends of the reinforcing structure are fixedly connected with the inner side of the rubber sealing ring. By arranging the reinforcing structure, the overall strength of the pipeline is improved, the clamping rod penetrates through the clamping groove and is reset under the pressure of the pressure spring until the pipeline is completely connected, the end-to-end clamping of the pipeline is completed, the situation that a connector is loosened after the pipeline is connected is avoided, the sealing performance of the pipeline is further enhanced, and the service life of the pipeline is prolonged. Therefore, the sealing effect on the pipeline connector is enhanced, the sealing performance of the pipeline is improved, water is prevented from seeping from the connector when the water pressure in the pipeline is large, and a user can use the pipeline conveniently.

The present invention relates to a low-warpage polyamide modified material, comprising the following components in parts by weight: 30 to 85 parts of base resin, 5 to 40 parts of a first reinforcing component, 10 to 30 parts of a second reinforcing component, 0.1 to 2 parts of a lubricant, 0.1 to 1 part of an antioxidant, and 1 to 10 parts of an anti-wear agent, wherein the first reinforcing component is an alkali-free flat glass fiber modified by a coupling agent; the second reinforcing component is one or more of wollastonite, calcium carbonate, mica powder, talcum powder, and glass microbeads. The present invention not only enhances the strength of the material by compounding inorganic mineral powder with flat glass fiber, but also solves the problem of warpage deformation of high-component glass fiber reinforced materials after injection molding; the flat glass fiber not only enhances the lateral strength, but also enhances the longitudinal strength, and has better low warpage and compressive strength. The guide ring of the oil cylinder of a mining truck produced with the material has no floating fibers, low gloss, and small deformation.