229results about How to "Stable splicing" patented technology

The invention relates to a method for manufacturing a cellular ceramic-metal composite vertical mill roller and belongs to the technical field of metal-matrix composites. The method comprises the steps that firstly, a cellular porous ceramic preform is manufactured and then made into a cellular ceramic-metal composite wear-resisting insert, wherein the cellular ceramic-metal composite wear-resisting insert is provided with clearance ribs, insert holes and insert columns; heat treatment is conducted on the cellular ceramic-metal composite wear-resisting insert, the outer surfaces of the insert holes and the insert columns are coated with fireproof coatings, and the insert columns of the wear-resisting insert are inserted into the insert holes in pair, so that the wear-resisting inserts are firmly spliced; the cellular ceramic-metal composite wear-resisting insert is placed in a vertical mill roller sand mould, molten tough metal is poured, after the molten tough metal is solidified completely, the composite vertical mill roller is formed, overall heat treatment is conducted on the composite vertical mill roller, and then the cellular ceramic-metal composite vertical mill roller is obtained. According to the method, the wear-resisting composite insert does not need an external clamp, it is only required that insert columns are inserted into the insert holes and can be firmly spliced.

The invention provides a three-dimensional geometrical measurement method and a three-dimensional geometrical measurement system based on LED tag tracking. A three-dimensional scanner is arranged such that the three-dimensional scanner can move along a track and is close to an object to be measured, and blocked local measurement is flexibly and conveniently carried out on a large-scale object by a structured light method to obtain a high-resolution local image. Meanwhile, as the light of an LED tag is bright enough, even when the distance between a stereoscopic tracker and the LED tag increases, the stereoscopic tracker can quickly and accurately track the LED tag to ensure that a server can precisely locate the center position of the LED tag and the position of the LED tag in the coordinate system of the three-dimensional scanner, precisely obtain the LED tag relationship between two local measurements, accurately evaluate the attitude change of the three-dimensional scanner and realize precise stitching of local measurement results. Moreover, three-dimensional measurement of the whole contour of a large-scale object can be completed conveniently, stably and accurately without the need for tedious switching between multiple projectors.

The present invention relates to a ceramic/metal composite material wear-resistant lining plate and a preparation method thereof, and belongs to the technical field of materials. The ceramic/metal composite material wear-resistant lining plate comprises bainite-martensite complex-phase steel inlays, a porous ceramic/metal wear-resistant layer and a fixed base steel plate, wherein the porous ceramic/metal wear-resistant layer is provided with embedding holes, the bainite-martensite complex-phase steel inlays are fixedly embedded into the intermittent holes of the porous ceramic/metal wear-resistant layer, and the porous ceramic/metal wear-resistant layer is fixedly connected to the base steel plate. According to the present invention, the ceramic/metal composite material wear-resistant lining plate has advantages of good impact resistance, good wear resistance, long service life, convenient maintenance, simple production process and cost saving, can be adapted to different impact loads such as the high impact load, the medium impact load and the low impact load, and can effectively reduce the problems of the incapable provision of the characteristics of the material due to the inapparent high-manganese steel processing hardening effect and the great defect generated by the base body material due to the too high stress of the processed and hardened structure.

The invention relates to a prefabricated thin concrete slab formwork structure. The prefabricated thin concrete slab formwork structure comprises prefabricated thin concrete slabs, a cushion layer, grooves, integrally-embedded connecting screws, angle iron, leveling base grout layers and cast-in-situ bored piles. The prefabricated thin concrete slabs adopt rabbets for connection, are provided withscrew holes and connected through the evenly-distributed angle iron. The connecting angle iron on the inner side is of an embedded type. The angle iron is provided with lead screw through holes connected with the integrally-embedded connecting screws. Grid cloth anti-crack tapes are arranged in seams between the prefabricated thin concrete slabs. Connecting studs are evenly welded to the angle iron on the inner sides of the prefabricated thin concrete slabs. Lugs are evenly arranged at the tops of the prefabricated thin concrete slabs. The prefabricated thin concrete slab formwork structure has the beneficial effects that an inner formwork of a sliding formwork system is evenly divided into cavities at equal intervals, adjustable sand partition plates are arranged in the cavities to forma limiting balance weight frame, and bags between the partition plates are filled with sand to achieve regional ballasting; and a plate vibrator and a vibrating leveling beam are arranged on a lower panel of a sliding formwork, so that the slope concrete pouring quality is further improved.

The invention discloses a composite tube and a preparation method thereof. The composite tube comprises an inner tube (1) and an outer tube (2), wherein the inner tube (1) is formed by splicing of ceramic pieces (4), and the outer tube (2) is arranged on the outer side of the inner tube (1) in a tensioned mode. On one hand, the ceramic pieces are spliced to form the inner tube, the size and quality of the ceramic pieces can be precisely controlled, and the ceramic pieces can be conveniently spliced to form the inner tube; on the other hand, the outer tube is arranged on the outer side of the inner tube in the tensioned mode, tensioning force can be exerted on the inner tube by the outer tube, additional pressure stress is exerted on the ceramic pieces, therefore splicing of the ceramic pieces is more firm, and falling of the ceramic pieces is avoided.

The invention discloses a method used for transverse bridging splicing growth of large-area monocrystal diamond. According to the method, monocrystal diamond substrate I and monocrystal diamond substrate II are subjected to splicing, growth of a bridge-shaped connection part at the joint part is realized, and a complete large-area monocrystal diamond layer is obtained through continuous epitaxialgrowth; wherein the thickness of the monocrystal diamond substrate I at the joint part is lower than that of the monocrystal diamond substrate II at the joint part. The method is capable of solving problems in the prior art that the joint part is obvious, and diamond relative movement is easily caused in diamond splicing growth, and cracking risk at the joint part is reduced.

The present invention is constant-tension splicing apparatus for strip non-woven fabric base material. The present invention features that the constant-tension splicing apparatus includes splicing mechanism, constant-tension mechanism and vertical plate frame. The splicing mechanism includes frame, anvil assembly, moving rack assembly, cutter assembly and safety door assembly; and the constant-tension mechanism includes fixed tension wheel frame, movable tension wheel frame, tension wheel, guide shaft, potentiometer and horizontal cylinder. The present invention has high automatic constant-tension splicing speed up to 200 m/min, stable splicing, high splicing quality and high production efficiency.

The invention discloses a glued groove-and-tongue floor, which comprises a floor body, wherein the floor body is provided with a joint tongue and a joint groove. The glued groove-and-tongue floor is characterized in that: a pressure sensitive glue layer is coated on the joint tongue and/or the joint groove. The glued groove-and-tongue floor has the advantages that: 1, the pressure sensitive glue layer is pre-coated on the joint tongue and/or the joint groove, namely the tongued and grooved positions, of the floor so as to greatly improve a floor gluing mounting process and the mounting efficiency, save time, avoid the surface of the floor being polluted and achieve higher environmental friendliness; 2, adjacent floor blocks can be separated without any damage after being glued and spliced by pressure sensitive glue, so the floor is convenient to disassemble and rearrange after faults are produced in arrangement and pavement, and the after-service cost of the product is reduced; and 3, the adhesive power of the pressure sensitive glue can greatly strengthen an interlocking force between tongues and grooves of the floors and make securer and more stable the splicing of the floor, thereby greatly reducing the problem of contraction joint deformation of the paved floor as well as noises caused by friction between the tongues and grooves of the floors and greatly improving the mounting quality of the floor.

The invention discloses a decorative plate connecting bar, which comprises a connecting bar main body in shape of a straight bar, the two sides of the connecting bar main body are extended with two connecting bodies in the transverse direction toward the outside directions respectively, the outer ends of the two connecting bodies are formed with clamping heads respectively, and the bottom of the connecting bar main body is extended out with a support body. The decorative plate connecting bar is simple in structure, low in cost, balance in force during use, difficult to damage and long in service life, and the decorative plate connecting bar does not damage inserting slots of decorative plate unit; the spliced decorative plate is formed by splicing several decorative plate connecting bars and several decorative plate units, two adjacent decorative plate units are connected by one decorative plate connecting bar, the connecting bodies on the two sides of each decorative plate connecting bar are clamped in the inserting slots of two adjacent decorative plate units, the decorative plate connecting bars and the decorative plate units are firm in connection, both the decorative plate connecting bars and the decorative plate units are difficult to damage, the decorative plate connecting bars and the decorative plate units are difficult to separate, and the decorative plate connecting bars are easier and more convenient when the decorative plate units are spliced.

The invention relates to a pure log spliced board and an aluminum-wood composited spliced board device using the same. The pure log spliced board comprises a plurality of pure log boards, a first pure log side board, a second pure log side board, a plurality of screws and a plurality of nuts, each pure log board is made to have a splicing lateral side, an extensible groove slit and multiple screw holes are formed in each splicing lateral side, an adhesive is coated on each splicing lateral side, the pure log boards are arranged, spliced and pressed to form an integrated pure log spliced board body, each screw is penetratingly nested in the corresponding screw hole of the corresponding pure log board, two ends of each screw are tightened and locked by using the nuts, and the pure log side boards are arranged on the splicing lateral sides on two sides of the pure log spliced board body respectively to hide the ends of the screws and the nuts in the spliced board. The pure log spliced board is simple in structure, convenient to assemble and easy to realize, unfavorable factors like material cracking and deforming caused by thermal expansion and cold contraction of pure log are prevented effectively, and a log product is more attractive, more environment friendly and longer in service life.

The invention discloses a desk with an expandable desktop. The desk comprises a panel, four desk legs are symmetrically arranged on the bottom wall of the panel, and drawers are arranged on the side walls of the four desk legs; two expansion plates are symmetrically arranged at the two sides of the panel, multiple insertion plates are arranged on the side walls of the sides, close to the panel, ofthe two expansion plates, and insertion grooves matched with the insertion plates are formed in the side walls of the two sides of the panel; each insertion plate is inserted into the corresponding insertion groove, two first mounting plates are arranged on the bottom wall of each expansion plate, and a first rotation rod is rotatably connected between the two first mounting plates at the same side. The desk with the expandable desktop is simple in structure and convenient to use, compared with an existing desk, the desktop can be easily and stably expanded, the defect of insufficient application area of the desk is overcome, the function of placing water cups, fountain pens and other goods is added at the same time, and the functionality of the desk is improved.

The invention discloses an engineering surveying instrument and a lens pollution prevention machine tool for machining the surveying instrument. A surveying instrument is fixedly connected to the middle of the top end of the triangular bottom plate. A splicing mechanism is rotationally connected to the edge part of one side of the triangular bottom plate. The splicing mechanism comprises a connecting rotating block, a middle connecting square block, a side connecting square block, a buckle square box, an installation guide plate, a guide sliding rod, a sliding clamping block, a reset spring, adriving pin, a take-up reel, a limiting clamping block, a rectangular storage groove, a buckle groove, a triangular middle block and a limiting rubber pad. The side connecting square blocks are manually pulled to be far away from the triangular middle block. After the side surfaces of the middle connecting square block and the side connecting square blocks are parallel, rotation is stopped. Therefore, the surveying instrument support is deformed into the flat plate type from the cylindrical shape, the surveying instrument support can effectively utilize the storage space in the storage process, meanwhile, the flat plate type structure is more stable, the support is effectively prevented from shaking and rolling in the carrying process, and the use experience of the side surveying instrument is improved.

The invention belongs to the technical field of construction materials, and particularly relates to an environment-friendly floor and a manufacture method thereof. The environment-friendly floor comprises a nanometer air photocatalyst material layer, an abrasive-resistant hardened layer, a pattern layer and a base material layer which are arranged sequentially from the top to bottom and combined with one another. A negative oxygen ion layer is laid on the side face of the base material layer, a bacteriostasis and mould proof layer is arranged on the lower surface of the base material layer, the pattern layer is one of a printed pattern plate, a wood veneer plate, a thermal transfer layer and a 3D printing player, and when the pattern layer is the printed pattern plate or the wood veneer plate, a glue layer is arranged between the base material layer and the pattern layer. The environment-friendly floor is not liable to deform, high in purification efficiency, low in manufacture cost and using cost, and high in stability and firmness; the manufacture method can save consumption of negative oxygen ion powder and air photocatalyst materials, and by adoption of the manufacture method, the floor has high density and strength.

The invention discloses a strip automatic assembly device for a packing machine and an assembly method thereof. The device comprises a base; and the base is provided with a buffer part, a first drum and a second drum. The device further comprises a strip cutting mechanism, a strip assembly mechanism and an assembly reinforcing mechanism; the buffer part comprises multiple fixed pulleys and movablepulleys; the movable pulleys can slide up and down along chutes formed in a support panel; the strip cutting mechanism comprises a cutting cylinder and a cutter; the cutter is arranged perpendicularto strips; the strip assembly mechanism comprises a first roller and a second roller; and the assembly reinforcing mechanism comprises a metal roller, a rubber roller and a reinforcing cylinder. The device further comprises a strip ending sensor, an abnormal film breakage detecting sensor, a pattern detecting sensor, an assembly failure sensor and a buffer detecting sensor for acquiring signals; and the acquired signals are sent to a PLC. The device can achieve precise and reliable assembly of the strips, and achieves a certain intelligence level.

The invention relates to a numerical control wood house tenon machine. A machine body is provided with a drilling and milling device, a horizontal milling device with an air cylinder stabilizing mechanism, and a numerical control device. The wood house tenon machine with the structure has high automation degree, is precisely and compactly structured, effectively improves the processing precision of a tenon and makes the connection of the wood house tenons more compact and solid.

The invention discloses a frame lamination technology for touch screens. The frame lamination technology for touch screens comprises the steps of machining a TFT liquid crystal screen module (2), pasting a film on an OGS touch screen (1), and laminating the OGS touch screen (1) onto the TFT liquid crystal screen module (2). During the step of pasting the film on the OGS touch screen, the silk-screen printing process of a wire frame (3) and an indicating lamp position hole (5) is conducted at the same time. Meanwhile, an explosion-proof film (6) is pasted onto the back surface of the OGS touch screen (1) before the step of laminating the OGS touch screen (1) onto the TFT liquid crystal screen module (2). The explosion-proof film (6) and the TFT liquid crystal screen module (2) are adhered together via the foam rubber (7). Based on the above structure, the OGS touch screen and the TFT liquid crystal screen module are adhered together more firmly without any air bubbles, and the adhesion quality thereof is better. Meanwhile, one step is saved, so that the production efficiency is increased. At the same time, the cost is saved. The explosion-proof film is firstly broken through, so that the pressure of the external force is relieved. Therefore, the explosion is avoided.

The invention relates to a log spliced board structure. The log spliced board structure is characterized by being mainly composed of a batten piece on the left outermost side, a batten piece on the right outermost side, a batten piece on the left second outer side, a batten piece on the right second outer side, a plurality of middle batten pieces, a plurality of screws connected in series, a plurality of nuts and the like. The design of expansion slits, the screws, the nuts, screw holes and nut holes is mainly adopted, the spliced wood board is not prone to expansion arching or shrinkage crack when weather changes, and the quality and the attractive appearance of the spliced wood board are greatly ensured. The splicing reliability and firmness of the batten pieces are greatly guaranteed, expansion deformation or cracking can be completely eradicated, and the quality of the spliced wood board is effectively guaranteed.

The invention discloses a new-energy charging pile for electric cars. The pile includes a cuboid shell, a plurality of battery supporting shelves, battery units, a battery dismounting base and conveying mechanisms, wherein the battery supporting shelves are installed on one side of the interior of the shell and arranged lengthwise at equal intervals; the battery units are placed on the battery supporting shelves for charging; the battery dismounting base is positioned on the top of the shell and above the battery supporting shelves; the conveying mechanisms are installed inside the shell and used for conveying the battery units between each battery supporting shelf and the battery dismounting base. By loading multiple battery units inside the shell of the charging pile, the battery units can be assembled into an integral battery module on the battery dismounting base, so that according to the predicted driving distance of different electric cars, required electric quantity can be roughly estimated and the required number of battery units is determined, and one or more battery units are conveyed to the place where an electric car is located through an air vehicle for supplying power to the electric cars.

The invention discloses a waterproof and moisture-proof PVC floor. The waterproof and moisture-proof PVC floor comprises a PVC base plate, wherein a support plate is arranged in the center of an innercavity of the PVC base plate, support columns are uniformly installed inside the support plate in an embedded mode, and the support columns are vertically arranged. Buffer layers are separately connected to the top and bottom surfaces of the support plate in a glued mode, and the top and bottom portions of the buffer layers are separately connected with an upper reinforcing plate and a lower reinforcing plate. The upper reinforcing plate and the lower reinforcing plate are separately located at the top and the bottom of the PVC base plate, and the bottom of the lower reinforcing plate is connected with a reinforcing supporting plate. The waterproof and moisture-proof PVC floor is simple in structure, stable and reliable, easy to install, convenient to use, good in integrity, flame retardant and wear-resistant and waterproof and stain-resistant, can increase the overall strength, prevents deformation and collapse, prolongs the service life, can be waterproof at the bottom and joints ofthe floor, has good waterproof and moisture-proof effects, can be stably and closely spliced and installed, prevents slipping, improves the stability of floor laying, and has broad application prospects.

The invention belongs to a medical rehabilitation protection device and a manufacturing method thereof, and particularly relates to a three-dimensional printing protection device and a printing methodthereof. The problem that existing protection devices are inconvenient to adjust according to the change of the affected part can be solved. The protection device is formed by splicing two parts of main bodies based on additive manufacturing, the two main bodies cooperate with each other through fixing rings and locking columns and are used for connecting fixation and limitation, the shape can bedesigned according to the affected part of a patient, the fitting degree is high, the weight is low, the strength is high, and the protection performance is good. Particularly, a fixing device is formed by the fixing rings and the locking columns, thelocking columns of the two parts can be jacked tightly to complete fixation simply by sleeving and rotating the fixing rings, mounting and dismounting are convenient, and the use is convenient; in addition, the elastic adjustment can be carried out in cooperation with different fixing rings according to the swelling degree of the affected part indifferent stages, and bone displacement and other problems are effectively prevented. The whole protection device is accurate to splice and position, a malposition phenomenon does not easily occur, the affected part is fastened more reliably, and the protection device has the advantage of being suitable for various affected parts.

The invention discloses a quick construction method of a pipe jacking working well in an upper soft and lower hard stratum. A site is smoothed, staking out in survey is carried out, the position of apile hole is positioned; a rotary drilling machine is used for drilling in an upper soil layer, every time a certain distance is drilled, a drill head of the rotary drilling machine exits out of the pile hole, and a pile casing is put into the pile hole; the method is repeated until drilling is carried out into a lower base rock layer, and all the pile casings are anchored in the upper soil layer;the rotary drilling machine is continuously used for drilling in the lower base rock layer until drilling is carried out to a specified elevation; transverse excavation is carried out in the hole wall at the bottom of the pile hole to form a pipe jacking operation space, wherein the pipe jacking operation space is provided with an opening into which the pipe jacking to be constructed can enter; ajacking device is installed in the pipe jacking operation space; and at the bottom of the pile hole and at the position of the pipe jacking construction, the lower base rock layer is excavated transversely, and jacking construction is carried out on the pipe jacking through the jacking device. The quick construction method reduces the construction workload, reduces the construction difficulty, shortens the construction period and reduces the impact on the environment.