54results about How to "Improve splicing strength" patented technology

The invention discloses a connecting piece, a back board and a liquid crystal display device. The connecting piece for a frame-type back board comprises at least two connecting parts which are respectively fixed with the support end parts of the frame-type backboard. Since the connecting piece is used for splicing supports, the connecting piece can be a high-strength structure which is integrally formed and the splicing strength of the supports is improved; since the connecting piece has a plurality of connecting parts and each connecting part is separately connected with one support, an interface can be standardized; and since the supports can be made into standard sections and cut according to different dimensions, the universality of the supports is improved.

The present invention relates to new yarn twisting method, and is especially knotless joining method suitable of coarse yarn, open-end yarn and strand in spooler and double twister. The present invention also relates to one kind of wet air yarn twister operating on the said method. The wet air yarn twister has increased yarn twisting unit and water supplying unit. The present invention has raised yarn twisting strength.

The invention discloses a construction method of a prefabricated wallboard and relates to the field of assembly type buildings. The construction method comprises the following steps of S1, preparing raw materials, wherein the lower end face of the adopted prefabricated wallboard is provided with a plurality of groove openings, one end face of the prefabricated wallboard is provided with a plurality of mortar holes communicating with the groove openings, and each groove opening communicates with two mortar holes in the vertical direction; S2, conducting measuring and setting out; S3, pre-burying reinforcing steel bars; S4, conducting grouting partitioning; S5, hoisting the wallboard, wherein the groove openings on the lower end face of the prefabricated wallboard are aligned with the embedded straight reinforcing steel bars and then the straight reinforcing steel bars are inserted into the groove openings; S6, installing diagonal braces; S7, conducting grouting sealing; and S8, conducting grouting filling, wherein cement mortar is injected through the mortar holes, the mortar holes are plugged through plugs, and after being injected, the mortar is solidified to fix a base face and the wallboard. According to the construction method, the groove openings, the mortar holes and the embedded reinforcing steel bars are arranged, the cement mortar is injected into the groove openings through the mortar holes, after the cement mortar is solidified, the cement mortar achieves connection between the base face and the prefabricated wallboard, so that the number of used reinforcing pieces is reduced, and the overall installation is firmer.

The present invention is developed on the basis of available continuous HF fusion welding machine and fusion welding method and has improved long non-ferrous metal electrode plate. Structurally, the present invention has flexible material inside the longitudinally open-mouthed section, conducting copper sheet on the flexible material and insulating layer on the conducting copper sheet; as well as wheel protecting belt below the movable HF electrode plate heat jointing and settling assembly. The present invention has the advantages of the complete fusion and adhering of the jointed material, no adhesion between the HF electrode plate heat jointing and settling assembly and the jointed material and high welding quality.

The invention relates to a connecting component in the field of door and window manufacturing, in particular to a composite non-off-bridge assembly tube structure. A main body of the composite non-off-bridge assembly tube structure is an assembly tube which is connected with a left frame and a right frame; the assembly tube comprises a tubular assembly tube plug-in connector and a tubular assembly tube sleeve; the assembly tube plug-in connector is inserted into the assembly tube sleeve vertically; two sides of the assembly tube plug-in connector are symmetrically provided with two plug-in connector bayonets; two sides of the split tube sleeve are symmetrically provided with two sleeve bayonets; an adjusting screw which adjusts the inserting depth of the assembly tube plug-in connector is arranged on the split tube sleeve; and the assembly tube plug-in connector is pushed to exit the assembly tube sleeve by the adjusting screw, and the plug-in connector bayonets and the sleeve bayonets on two sides are combined and clamped with bayonets of the left frame and the right frame. The movable bayonets are adjusted by the adjusting screw, so that the bayonets of the assembly tube are clamped with the bayonets of the frames, and the structure is easy and convenient to mount and operate.

The invention relates to a door and window corner processing method and in particular to an aluminum high molecular veneer composite door and window corner processing method. The method comprises the steps of: data collecting and programming, material feeding and locating, milling-processing, welding heating, molding co-extrusion and the like. The method compensates the defects existing in current common processing, welding and corner-clearing and effectively solves the precision problem and the efficiency problem generated by multiple locating errors and repeated consumptions. Splicing end faces have a certain textures after being heated and molded so that the two end faces have strong occlusive force when being spliced, the door and window splicing strength is improved by 1.5-2 times, meanwhile the welding corner-clearing-free technology effectively guarantees the attractive appearance of group corners, guarantees the attractive appearance of door and window group corners, greatly improves the processing efficiency of doors and windows and provides an advanced technical support for processing and production of large-scale door and window group corners.

The invention discloses a construction method of a prefabricated wall panel, which relates to the field of prefabricated buildings, and comprises the following steps: S1, raw material preparation, the lower end surface of the prefabricated wall panel used is provided with a number of notches, one end surface of the prefabricated wall panel There are several grout holes connected with the notch; each notch has two grout holes connected vertically; S2, measuring and setting out; S3, pre-embedded steel bars; S4, grouting partition; S5, wallboard hoisting , so that the notch on the lower end of the prefabricated wall panel is aligned with the pre-embedded straight steel bar and then inserted; S6, install the oblique support; S7, grouting to seal the warehouse; S8, grouting filling, inject cement mortar through the grout hole, and through the plug The grout hole is blocked, so that the mortar is filled and solidified to fix the base surface and wallboard. Set notches, grout holes and pre-embedded steel bars, inject cement slurry into the notch through the grout holes, and after the cement slurry solidifies, the cement slurry realizes the connection between the base surface and the prefabricated wallboard, thereby reducing the use of reinforcements and making the overall The installation is more secure.

The invention discloses a pool wall prefabricated block splicing structure suitable for a static pressure assembled pool and a construction method thereof. The splicing structure comprises a prefabricated block which is spliced along the circumferential direction to form a pool wall, a steel bar which penetrates through the prefabricated block and extends out from the circumferential end part of the prefabricated block, a splicing block which is positioned at the circumferential end part of the prefabricated block to form the outer wall of the pool and a soil retaining block which is positioned at the bottom of the prefabricated block, and the splicing block and the soil retaining block are enclosed to form a connecting groove for circumferential splicing, when the prefabricated blocks are assembled along the circumferential direction, two opposite steel bars in the connecting grooves of the adjacent prefabricated blocks are fixedly connected with each other, and concrete is filled inthe connecting grooves to form cast-in-place blocks. The construction method comprises the following steps of determining the size and the quantity of the prefabricated blocks according to the size of the water pool; manufacturing the prefabricated block, pressing the prefabricated block into a soil body, and butting the steel bars; pouring concrete to form the cast-in-place blocks. According tothe splicing structure and the construction method, the prefabricated block and the cast-in-place block are assembled to form the pool wall, and the prefabricated structure and the cast-in-place structure are combined, so that the anti-seepage performance of the pool wall is improved, and the integral rigidity of the structure is guaranteed.

The present invention discloses a back plate of a liquid crystal display (LCD) module and a splice structure thereof. The back plate is assembled at least by a first back plate portion and a second back plate portion, wherein at least one splice structure is defined between the first back plate portion and the second back plate portion, and the shapes of two sides of the splice structure are correspondingly engaged with each other. Besides, the convex portion is provided with a fixing hole thereon, and the concave step portion is correspondingly provided with a fixing pillar therein. The fixing pillar passes through the fixing hole to fix the first back plate portion and the second back plate portion. The present invention can use different type of material to assemble into the back plate, so as to intensify the splicing strength except for decreasing the material cost.

The invention relates to the technical field of oil filed oil well repair tools and particularly relates to a multifunctional bushing self-sealing repair and connection device. The repair and connection device comprises a grappling component and a sealing component. The grappling component comprises an upper joint, a guiding shoe, an outer cylinder and a connection cylinder which are arranged between the upper joint and the guiding shoe successively and a slip connected internally with the outer cylinder. Locating keys on the inner wall of the outer cylinder are snapped in grooves of the slip, and a milling ring is arranged at the connection position of the connection cylinder and the guiding shoe. According to the device, the structure is used, so that the inner drift diameter is kept unchanged; meanwhile, the primary seal is achieved through lead rings, and the secondary seal is achieved through cementing well cementation, so that the device is good in seal performance, convenient to operate and use and capable of effectively improving the repair and connection strength and prolonging the service life. Besides, the device has the advantages of being reasonable in design, simple in structure, low in manufacture cost and the like.

The invention discloses a solid wood round table processing technology. The solid wood round table processing technology comprises the specific steps that material selection and preparation are carried out, specifically, wood without white skin of heartwood is selected, the wood is placed in a wood cooking tank for cooking and sterilization and then is put in a wood drying box for drying, and thewood is discharged from the box for preparation; and material cutting is carried out, specifically, the dried wood in the first step is placed on a material cutting machine for cutting. According to the solid wood round table processing technology, when the wood is selected, the wood without the white skin of heartwood is selected, the situations of wormhole and decay on the wood can be reduced, and the wood strength is increased; meanwhile, wood plate breaking during processing is avoided, in the process of desktop processing, a biscuit tenon is adopted for splicing to increase the splicing strength of wood plates, the connection is more stable, the strength of desktops is improved, the precision requirement is not high, and operating is facilitated; and when polishing and painting are carried out, sprayed paint is waterborne polyurethane paint which is environment-friendly, volatile matter is non-toxic and tasteless, the water resistance, abrasion resistance and aging resistance of the desktops are improved, and better application prospects are brought.

The invention discloses a steel pylon inclination correction bolt which comprises an upper bolt portion and a lower nut portion. The upper bolt portion and the lower nut portion are of an integrated structure, and the top of the upper bolt portion is provided with a connector. The inclination correction bolt is in the integrated design, accordingly, connection strength can be improved, space limitation does not need to be considered in the installation process, and installation quality of the connection rectifying device is further improved.

The invention provides a novel geogrid structure, and relates to the technical field of engineering construction. A first matching part is arranged at one end of the novel geogrid structure, and a second matching part used for being matched with a first matching part of another novel geogrid structure is arranged at the other end of the novel geogrid structure. The first matching part is provided with matching blocks distributed in an array mode, and matching columns are arranged at the ends of the matching blocks. The matching columns are provided with notches, the end walls of the notches are sunken in the axial direction of the notches to form the notches, and the notches further penetrate through the side walls of the two opposite sides of the matching columns. Clamping blocks are further arranged on the side walls of the matching columns in a protruding mode. The matching columns are made of elastic materials. The second matching part is provided with matching grooves used for being matched with the matching blocks, and matching through holes used for being matched with the matching columns are formed in the groove bottoms of the matching grooves. The novel geogrid structure is simple in structure and easy to operate and implement, the splicing strength can be effectively improved, the matching strength between the novel geogrid structure and a geotechnical layer is optimized, the overall stability and reliability are effectively improved, and the engineering safety degree is further improved.