946 results about "Stringer" patented technology

The embodiment of the invention provides a station assembling trolley. The station assembling trolley comprises a wheel rail walking device, a frame, a side wall mounting device, a longitudinal beam mounting device and a top plate mounting device. Wherein the wheel rail walking device is arranged at the bottom of the frame and can walk along a track on a platform bottom plate; the side wall mounting device is arranged on the frame and is used for fixing side wall blocks and driving the side wall blocks to move to a side wall mounting position for splicing; the longitudinal beam mounting device is arranged on the frame and is used for fixing a longitudinal beam and moving the longitudinal beam to a target position for splicing; the top plate mounting device is arranged on the frame and used for bearing a top plate and moving the top plate to a target position to be spliced. The station assembling trolley provided by the embodiment of the invention is suitable for the scene of laying temporary steel beams above the station, the trolley is used for carrying and assembling the side wall blocks, the longitudinal beams and the top plate, and the station assembling trolley has high construction efficiency.

The invention discloses a method for analyzing the strength stability of a composite material wallboard, which comprises the following steps of: 1) carrying out a wallboard strength test on a wallboard structure of a T-shaped stringer disconnected at a rib position to obtain test data required in the method for analyzing the strength of the wallboard; 2) performing finite element simulation on the BVID damage with the lowest residual strength in the wallboard in the same configuration and same loading mode in the wallboard strength test; 3) based on the finite element simulation in the step 2), establishing a multi-configuration wallboard finite element model; and 4) based on the multi-configuration wallboard finite element model in the step 3), fitting to obtain a correction coefficient, and determining a strength stability analysis method.According to the method, the defects of a classical wallboard strength engineering algorithm in stringer support condition simulation, layering applicability, BVID damage and initial geometric defect influence are overcome.

The invention provides a multi-slice high-speed series welding machine device which comprises a complete machine and further comprises an input part at the head section of the complete machine, a strip winding part is arranged in the input part, and a welding part is arranged in the middle section of the complete machine. The welding part comprises a silicon wafer transmission unit, a silicon wafer connection unit, a pressing net input unit, a pressing net body, a glue injection unit, a pressing net backflow unit, a welding unit and a belt manufacturing unit which are arranged on one side of the belt winding part, and a welding output part is arranged at the tail section of the whole machine; the pressing net body comprises an outer frame structure, a pressing strip, a gluing structure, a glue storage structure and a glue filling structure which are arranged on the pressing net backflow unit, through the double-rail design, the two battery piece connecting modules and the drawstring assembly which are arranged in parallel are adopted, welding of double-row battery strings is completed cooperatively, and compared with a traditional single-row welding mode, the welding efficiency is remarkably improved, and the production cost is reduced. And through optimization of material distribution, net pressing backflow, feeding carrying and the like, efficient operation and continuous production of the equipment are guaranteed, and the device is particularly suitable for large-scale and efficient battery piece welding operation.

Implementations of the disclosed subject matter provide a system including a truss that may have a plurality of bays. Each bay may include a plurality of longerons disposed in a longitudinal direction, a plurality of battens disposed in a transverse direction, and at least two longitudinal struts that are coupled by hinges that are configured to allow the at least two longitudinal struts to fold towards an interior of each bay of the truss, where at least one batten may connect and separate at least one longitudinal strut. The longitudinal struts, the longerons, and the battens may be connected to form the bay, where each side of the bay may be formed from two battens that are joined end-to-end, and where at least some of plurality of battens respectively separate at least some of the plurality of longerons. The truss may be configured to be stowed longitudinally and transversely.

The invention discloses a thermomechanical treatment method for manufacturing a high-performance ribbed shell section, and belongs to the technical field of high-performance precision plastic forming manufacturing. According to the method, firstly, through high-temperature multidirectional forging cogging, medium-temperature rectangular ring rolling and high-temperature in-mold forging and rolling composite forming, near-net forming of the ribbed shell section, coarse crystal phase crushing and refining and grain refining are achieved; and finally, through the design of solid solution, in-mold cold rolling and aging, the problem that cold deformation is discontinuous and uneven due to a split mold structure in an existing ring piece cold bulging process is solved, accurate shape correction, residual stress reduction and performance improvement are achieved, and the product quality is improved. And the high-performance near-net plastic forming and high-performance manufacturing requirements of a key structural part, namely a ribbed shell section, of an aerospace carrier are met.

The invention provides a construction method across a natural gas pipeline, which comprises the following steps of: 1, determining a protection scheme of a cover plate (4.8 m wide C30 prefabricated reinforced concrete plate with the two ends prolonged by more than or equal to 3m) and a steel trestle (5 spliced 32a I-shaped steel longitudinal beam with the limited weight of 70t), and completing pre-approval such as safety evaluation and circumferential weld detection; 2, the pipeline is explored through an artificial exploring groove, a 5m iron gauze and 10m hard isolation are arranged, and fine soil is backfilled to protect the pipeline; 3, adjacent pipeline pile foundations are subjected to rotary excavating construction, damping ditches are excavated, trial hoisting installation is carried out when the strength reaches 85% after cover plates are prefabricated, and steel trestle foundations, steel structures and guardrails are constructed step by step; 4, regularly monitoring the operation period of the trestle, and hoisting the components away from the pipeline range during dismantling; the method meets the requirements of multiple laws and regulations, can effectively control the disturbance of construction to the pipeline, and is suitable for the natural gas pipeline crossing engineering of highway bridges and shortcuts.

The present disclosure provides a vehicle structural member. A vehicle includes a frame having a longitudinal rail and a structural member supported by the frame. The structural member includes a front bracket joined to the stringer and having an arm extending outwardly away from the stringer. The structural member also includes a curved elongate member having a first end connected to an outer end of the arm and extending rearwardly therefrom to a second end spaced from the stringer. A rear bracket of the structural member is connected to the stringer and defines a slot that receives the second end of the curved elongate member therein. The width of the slot is wider than the width of the second end such that the second end can slide rearward within the slot.

The utility model discloses a steel frame standard weld joint structure which comprises a frame cross beam, a frame longitudinal beam is arranged on the front side of the frame cross beam, angle plates are arranged at the rear ends of the two sides of the frame longitudinal beam, and an inserting weld joint is arranged at the contact position of the frame cross beam and the frame longitudinal beam. Splicing welding seams are arranged at the contact positions of the frame longitudinal beams, the angle plates and the frame transverse beams, and first inserting openings are formed in the rear sides of the frame longitudinal beams. The first inserting openings and the second inserting openings are used in cooperation, the contact area of the frame transverse beams and the frame longitudinal beams is increased, the frame transverse beams and the frame longitudinal beams are welded to form inserting welding seams, and meanwhile under the positioning effect of the positioning assemblies, the angle plates are welded to the included angles of the frame transverse beams and the frame longitudinal beams to form splicing welding seams; therefore, the frame cross beams and the frame longitudinal beams are stably connected, and the purposes of accurate welding position, large welding area and high strength can be achieved.

The invention relates to the technical field of coal mine soil slope reinforcement, and particularly discloses a combined protection system for enhancing slope stability and a construction method.The combined protection system comprises a coal mine soil slope, a slope protection lattice beam structure is arranged on the coal mine soil slope, a plurality of steel pipe piles are inserted into the slope top of the coal mine soil slope, and a top beam is arranged at the tops of the steel pipe piles; the slope protection lattice beam structure comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams and the longitudinal beams intersect to form a plurality of lattice lattices, vegetation layers are arranged in the lattice lattices, anchor rods are arranged at joints where the cross beams and the longitudinal beams intersect, and the anchor rods are arranged in a coal mine soil slope in a penetrating mode to fix the slope protection lattice beam structure. A capping beam is connected between the upper ends of the multiple cross beams, and a foundation beam is connected between the lower ends of the multiple cross beams. The slope protection lattice beam structure, the anchor rods and the steel pipe piles are arranged on the coal mine soil slope and can form a mutually-reinforced combined reinforcing effect, and the stability of the coal mine soil slope is ensured.

The utility model relates to the technical field of sieve plates, in particular to a sieve plate for a vibrating screen, which comprises a mounting T-shaped iron, a longitudinal beam is movably connected to the upper surface of the mounting T-shaped iron, and the sieve plate is characterized in that a pair of first fixing bolts is rotatably connected to one side wall of the mounting T-shaped iron; a pair of T-shaped iron and cross beam mounting threaded holes is formed in the two sides of the upper surface of the mounting T-shaped iron, the upper surface of the longitudinal beam is movably connected with a polyurethane buffer base plate, the upper surface of the polyurethane buffer base plate is movably connected with a sieve plate body, and sieve holes are formed in the sieve plate body. The polyurethane buffer base plate is made of a rubber material, is used for reducing mechanical vibration and impact, can absorb and disperse mechanical stress and can prevent the sieve plate body from being scratched, abraded or damaged, so that the service life of the sieve plate is prolonged, the sieve plate is convenient to disassemble, and the cost is reduced. And therefore, a worker can maintain and replace the device conveniently.

The utility model discloses a large-size cast-in-place concrete splicing formwork. The large-size cast-in-place concrete splicing formwork comprises a formwork body, a plurality of hanging rods and a plurality of sets of splicing assemblies. The plurality of hanging rods are vertically arranged and are fixed on the inner side plate surface of the template body at equal intervals; the lifting rod comprises a longitudinal beam and a lifting lug arranged on the top side of the longitudinal beam; the splicing assembly is composed of an outwards-convex connecting part, an inwards-concave connecting part and a fastening connecting piece. The outwards-convex connecting parts and the inwards-concave connecting parts of the multiple sets of splicing assemblies are arranged on the edges of the left side and the right side of the formwork body at intervals in a one-to-one correspondence mode and fixedly connected in an embedded fit mode. According to the formwork, the suspenders and the splicing assemblies are additionally arranged, so that the structural strength of the formwork and the bonding strength of the formwork and concrete are enhanced, and deformation during later concrete pouring is avoided; and meanwhile, rapid and gapless high-quality connection of the two formworks can be achieved through the splicing assembly, and the problem of grout leakage during later concrete pouring is effectively avoided.

The utility model provides a bearing top frame assembly of a container and the container. The bearing top frame assembly comprises a top longitudinal beam, an outer top frame, a pipeline installation component and an inner top frame. The outer top frame is at least partially arranged between the two adjacent top longitudinal beams, the outer top frame comprises supporting beams, the supporting beams are connected to the top longitudinal beams, and the supporting beams are used for supporting the radiator. The pipeline installation component is arranged on the outer top frame and / or the top longitudinal beam. The inner top frame is arranged between every two adjacent top longitudinal beams and is separated from the outer top frame in the height direction of the container. According to the load-bearing top frame assembly of the container, the outer top frame comprises the supporting beam, the supporting beam is connected to the top longitudinal beam, so that the load-bearing top frame assembly can bear the load and install the outer cooling radiator, the pipeline installation component can install and bear the inner pipeline and the outer pipeline, and therefore the load-bearing top frame assembly is suitable for integration and installation of a hydrogen production power source. In addition, a thermal insulation layer can be arranged through the arrangement of the inner top frame, so that the influence of external temperature on the interior of the box is reduced.

The invention discloses a cover-excavation method steel cover plate and a connecting and limiting method thereof, and belongs to the technical field of foundation pit engineering. Aiming at the defects of large vibration, high noise, poor driving comfort, insufficient rigidity, low repeated utilization rate, improper connecting and limiting measures and the like of an existing cover-excavation method cover plate, a vertical support-horizontal support-steel cover plate integrated structure system is constructed, and vertical support is formed by constructing a foundation pit enclosure wall and a stand column pile; a first reinforced concrete support serves as a transverse horizontal support, a section steel longitudinal beam is erected to serve as a longitudinal horizontal support, reliable limiting between steel cover plates and between the plates and the beams is achieved by matching reserved holes and clamping grooves with bolts and clamping section steel, and the flatness and the vibration reduction effect are optimized with assistance of a rubber vibration reduction cushion layer. The steel cover plate adopts standardized H-shaped steel assembly welding and fiber concrete surface layer design, and can be repeatedly used. The problem of vibration noise of the cover plate under dense vehicle load is effectively solved, deformation of the foundation pit is controlled, interference of construction to the surrounding environment and traffic is reduced, the requirements of energy conservation and emission reduction are met, and remarkable environmental protection benefits and economic benefits are achieved.

The invention relates to the technical field of coast protection, and discloses a wave dissipation facility and a construction method thereof.The facility comprises a PHC pile, a reinforced concrete structure with the triangular section is arranged at the top of the PHC pile, and a front baffle is arranged at the lowermost end of the head wave face of the reinforced concrete structure; prefabricated ribbed plates are laid on the triangular slope of the wave facing face, a plurality of water permeable holes are formed in the prefabricated ribbed plates, energy dissipation plates are arranged at the positions, under the water permeable holes, of the triangular belly, and longitudinal beams with reverse arcs are arranged at the uppermost end of the wave facing face. By means of the wave dissipation facility, the problem of water permeation can be solved, and wave energy can be eliminated to the maximum extent.

The invention relates to an impact-absorbing structure (2) for use in a motor vehicle, preferably for use in a longitudinal beam of a motor vehicle, having a deformation body (4) which extends along a deformation axis (X) and is deformable along the deformation axis (X) for absorbing impact forces and has a length (L) and a material thickness (D), a first and a second opening (6a, 6b) with a height (H) and a width (B), which are arranged on the deformation body (4) on the end side, the deformation body (4) being formed as a cast component from a metallic material and having a regular wave-shaped outer contour formed along the length (L) thereof.

The invention provides a manufacturing method of a small-spacing three-web box beam, which comprises the following steps of: S1, blanking and processing: cutting by adopting a numerical control flame and plasma cutting technology, blanking at high precision according to a design size, reserving a machining allowance and a groove form, and polishing after cutting; s2, assembling and positioning are conducted, specifically, components are assembled on the jig frame through the upside-down mounting technology, and positioning of a top plate is completed firstly; positioning an inner side web plate and a middle web plate; pre-penetrating positioning of U ribs, longitudinal beams and anchoring partition plates is sequentially completed on the middle web; and finally, positioning of the outer side web is completed. S3, bending position welding forming is conducted, specifically, a side web and a top plate are welded at a bending position; after flaw detection is qualified, middle webs and a top plate are fixed through downward welding; u-shaped ribs and longitudinal beams are welded and fixed in a bending manner; welding a bottom plate, and fixedly connecting the bottom plate with the middle web plate, the anchoring partition plate and the side web plate in a welding manner; finally, the stiffening ribs and the support base plate are welded and anchored; s4, flame cutting process allowance; and S5, sanding and coating are conducted, and manufacturing is completed. High-quality welding manufacturing is achieved, and the method is suitable for popularization.

The utility model discloses a transfer mechanism of a three-station adhesive tape pad board placing machine, which relates to the technical field of adhesive tape pad board placing machines, and comprises a rack on which a board suction component and a paper suction component are respectively arranged in a sliding manner; the transverse moving mechanism is mounted on the rack and used for driving the plate suction assembly and the paper suction assembly to move; the suction plate assembly comprises a first moving frame, a first lifting assembly is arranged on the first moving frame, a first cross beam is installed at the lifting end of the first lifting assembly, two first position adjusting seats are arranged on the first cross beam in a sliding mode, installation pieces are installed on the two sides of each first position adjusting seat correspondingly, and first longitudinal beams are installed at the bottoms of the installation pieces correspondingly. According to the utility model, the layout of all parts is reasonable, compared with the existing complex structure, the overall structure is simplified, the installation and maintenance are convenient, the plates are effectively prevented from deviating and falling off in the transferring process, the high-precision transferring is realized, the production quality and efficiency are improved, and the production cost is reduced.

The utility model relates to a combined type aviation aluminum alloy longitudinal beam structure of a portable laser cutting machine, which comprises a first beam body, a second beam body and a third beam body, the second beam bodies are the same in shape and symmetrically clamped to the two opposite sides of the first beam body, and optical axis mounting grooves are formed in the second beam bodies. The longitudinal beam structure is formed by combining the beam bodies with simple shapes, so that the shape is simplified, materials are saved, the machining process is simplified, the machining period is shortened, and the machining precision is improved on the premise that the overall strength is not affected.

This invention discloses a co-curing molding process for large composite material U-shaped stiffened wall panels, including skin panel laying, stringer laying, first tweezer filling, stringer flipping and positioning, intercalation laying, second tweezer filling, stringer cavity laying, curing soft mold laying, soft mold limiting, pressure curing, and demolding. The stringer laying uses a complete composite soft mold as the male mold, achieving dual-purpose use of one mold. During curing, a combination of a complete composite soft mold and split soft molds is used. The complete composite soft mold serves as the main mold, with a thicker thickness and greater vertical edge rigidity. The cooperation between the complete composite soft mold and the soft mold limiting prevents softening and sinking of the vertical edges, thus solving the problem of straightness in the vertical edge length direction. The split soft molds serve as pressure equalizing plate molds. The pressure applied during curing in an autoclave transfers vacuum bag pressure to the split soft molds, and the moving extrusion provides pressure to the vertical edges and radius corners, causing the tweezers and intercalations to return to their theoretical positions under the curing extrusion action, ensuring no damage or problems.

The invention discloses a testing device and a testing method for a cut-off end of a stringer of a wallboard structure of a high-load aircraft. The testing device and the testing method are suitable for testing the mechanical property of a wallboard test piece comprising a skin and at least one stringer cut-off end. According to the device, lateral supporting assemblies are arranged on the two sides of a test piece, lateral constraint is provided for the wallboard test piece, axial relative displacement is allowed, and the single stringer wallboard test piece is used for equivalently simulating simple support boundary conditions on the two sides of an actual stiffened wallboard; the lateral supporting assembly comprises an L-shaped base, a connecting flat plate and a sliding supporting piece, the L-shaped base is connected with the testing machine through bolts, and the sliding supporting piece abuts against the side edge of the wallboard testing piece to form lateral supporting; according to the optimal position of the sliding supporting piece, a single stringer wall plate test piece obtains the maximum bearing capacity and the damage form which are consistent with those of a plurality of stringer wall plate test pieces under the action of a tensile load in a lateral supporting mode.

The invention provides a cap-shaped stringer positioning mechanism, which comprises a bracket, a positioning mechanism and a positioning mechanism, wherein the bracket is configured to be erected above a skin; one end of the restraining piece is connected to the support in a sliding mode, and the restraining piece is configured to slide in the normal direction of the skin; and the connecting piece is configured to be connected with a stringer, and the connecting piece is connected with the end, away from the support, of the restraining piece in a mutual adsorption mode. The positioning mechanism is easy and convenient to operate, the risk that a vacuum bag is damaged due to the fact that a mechanical clamp is used is remarkably reduced, the problem that a stringer slides when large-curvature wallboards are co-glued and formed is fundamentally solved, and the axis precision of the stringer and the forming quality of components are effectively guaranteed.

The utility model discloses a marine aluminum alloy battery frame, include: stringer, crossbeam no.

The invention belongs to the technical field of aircraft wing design, and particularly relates to an upper single flat and straight wing box section upper wall plate without partitioning in the spanwise direction and the chordwise direction. Comprising a left side upper wall plate, a right side upper wall plate and a shape correction area enabling the overall aerodynamic configuration curvature to be continuous. A plurality of stringers are arranged on the upper wall plate of the upper single straight wing box section, the spanwise axes of all the stringers are perpendicular to the plane of symmetry of the airplane, and the web planes of all the stringers are perpendicular to the local theoretical appearance; a plurality of wall plate large openings are formed in the chordwise middle of an upper wall plate of the upper single straight wing box section, the center lines of the wall plate large openings are parallel in the spanwise direction, and reinforcing areas are arranged on the peripheral sides of the wall plate large openings; transition areas are formed among the left upper wall plate, the right upper wall plate and the shape correction areas, the tail ends of part of the stringers are located in the transition areas and are subjected to beveling transition treatment, and the edge parts of the wall plates located in the transition areas are subjected to reinforcement treatment.

A handling system for imparting a desired longitudinal conformation, for example a twist or skew, into a longitudinal component, for example a composite stringer for an aircraft wing, comprises a rigi

One end of a pressing rod is hinged to a machine frame, a follow-up pressing wheel is rotationally connected with the other end of the pressing rod, one end of a lifting air cylinder is hinged to the machine frame, the other end of the lifting air cylinder is hinged to the pressing rod, so that the follow-up pressing wheel presses a conveyed batten, and the lifting air cylinder is communicated with a pressure adjusting valve suitable for adjusting the pressing force of the follow-up pressing wheel. The follow-up pressing wheel is suitable for rolling along with conveying of the battens. Compared with the prior art, pressing is adjustable, and it is guaranteed that battens can be continuously conveyed; the batten is pressed, tilting and floating of the plate are eliminated, the cutting precision is guaranteed, and damage of tilting and floating of the plate to the follow-up cutting machine is reduced. The cross beams and the longitudinal beams as well as the cross beams and the pressing assemblies are installed through hoop screws, and the front-back distance and the left-right distance between the pressing assemblies are easy to adjust.

This invention discloses a multi-layered internal structure for shield tunneling based on a steel-concrete composite structure, including a flue slab, an upper lane slab, and a lower lane slab. The flue frame structure of the flue slab is connected to the steel plates pre-embedded in the corresponding tunnel segments, and the edges of the corresponding steel-concrete composite slab are sealed to the corresponding tunnel segments by cast-in-place concrete. The upper lane frame structure of the upper lane slab is fixed to the steel plates pre-embedded in the corresponding tunnel segments by multiple upper lane steel brackets. The lower lane slab has precast components at the bottom of the tunnel, with steel-concrete composite slabs on both sides, and the outer sides of the steel-concrete composite slabs are supported on steel longitudinal beams. The steel longitudinal beams are fixed to the steel plates pre-embedded in the corresponding tunnel segments by multiple lower lane steel brackets. During construction, the lower lane slab, upper lane slab, and flue slab are constructed sequentially from bottom to top, and finally the asphalt pavement layer is laid. The application of this invention reduces the self-weight, eliminates the need for rebar installation in tunnel segments, improves structural reliability and construction efficiency, and also frees up internal space in the tunnel.

The utility model relates to the technical field of packaging equipment, and particularly discloses a press of a paper mounting machine. Comprising a belt conveying line, a press machine support, an upper conveying belt, pressing rollers, swing arms and tensioning devices, the press machine support is fixedly arranged above the belt conveying line, the multiple pressing rollers are arranged between two longitudinal beams of the press machine support in a swinging mode, and the tensioning devices are arranged between the two ends of each pressing roller and a rack of the belt conveying line; the tensioning device is arranged between the pressing roller and the belt conveying line, extra downward pressure is provided for the pressing roller, the pressure on paperboards is larger, the attaching firmness degree of surface paper can be improved, the upper conveying belt is of a net-shaped structure, moisture in glue can be diffused into the environment, drying and curing of the glue are facilitated, the probability that the surface paper is not tightly attached is reduced, and the service life of the surface paper is prolonged. And the yield is improved.

The invention discloses a combined drilling device for channel steel, and belongs to the technical field of machining equipment. The device comprises two groups of horizontal guide rail devices which are symmetrically arranged, a workbench main body which is arranged between the two groups of horizontal guide rail devices, a cross beam, a feeding raceway device and a discharging device. A sliding sleeve head saddle and a sliding table saddle are installed on the horizontal guide rail device and the cross beam through lead screw transmission, sliding sleeve type power heads and hydraulic sliding sleeve drilling power heads are carried on the sliding sleeve head saddle and the sliding table saddle respectively, the twelve power heads are symmetrically arranged in the horizontal direction and the vertical direction, and synchronous machining of multiple holes in the three faces of the channel steel can be achieved. The working table body is provided with an elastic carrier roller set driven by a motor and used for conveying, and a precise positioning and clamping system composed of a positioning oil cylinder, a pushing air cylinder, a pressing oil cylinder and an adjustable adjusting base. The radial drilling machine solves the problems that a traditional radial drilling machine is low in channel steel machining efficiency, poor in precision and large in labor intensity, and is particularly suitable for efficient and high-precision drilling machining of batch channel steel parts such as longitudinal beams of belt conveyors.

The invention relates to the technical field of part machining protection of a machining technology, in particular to a protection device and method for a stringer rib top in the shot peening forming machining process of a ribbed wallboard. The protection device comprises a protection adhesive tape, an adhesive rolling table, an adhesive pressing support, an adhesive guiding roller, an adhesive dividing roller, a main rotating shaft, an adhesive winding shaft, an auxiliary rotating shaft and an interlayer winding shaft; wherein the upper part of the glue rolling table is a cylinder with holes, the lower part is a step cube, and part of the glue rolling table is slotted to slide along the top of a stringer rib; the diameter of the rubber pressing bracket is matched with the diameter of the cylindrical inner hole of the rubber rolling table; the glue guiding roller and the glue distributing roller are of slender cylindrical rod structures; the main rotating shaft rotates to drive the adhesive winding shaft to rotate, so that the protective adhesive tape is transferred downwards; the auxiliary rotating shaft starts to rotate under the influence of the main rotating shaft, drives the interlayer winding shaft to rotate, and promotes downward transfer of the adhesive tape while cooperating with the adhesive separating roller to peel off the interlayer of the protective adhesive tape.