333 results about "Radial tire" patented technology

The invention relates to the technical field of tire simulation design, in particular to a radial tire contour rapid design and generation method and system and a computer program. According to the method, firstly, a finite element model is generated according to a material distribution diagram of an original tire, then tire outer contour parameters are adjusted according to a preset performance target, and a corresponding basic vector model is generated. The method comprises the following steps: extracting node information of an original model and a basic vector model, endowing a weight coefficient, and calculating a tire finite element model with target performance; and finally, determining an optimal weight coefficient by using an optimization algorithm, and generating a tire outer contour curve meeting performance requirements through curve fitting. According to the method, the design efficiency is remarkably improved, the dependence on the personal ability of designers is reduced, and more accurate and reliable tire optimization design is achieved.

Aiming at long-time snowfields, especially radial tires, the utility model provides a winter and summer dual-purpose nail-free snow tire pattern suitable for ice and snow pavements, which comprises a tread pattern, the tread pattern comprises pattern blocks arranged along the circumferential direction of the tire and pattern grooves arranged along the circumferential direction of the tire, a pattern groove I is arranged at the center of the width direction of the tire, and a pattern groove II is arranged at the center of the width direction of the tire. A pattern block I, a pattern groove II, a pattern block II, a pattern groove III, a pattern block III, a pattern groove IV, a pattern block IV, a pattern groove V and a pattern block V are sequentially arranged from the pattern groove I to the left and the pattern groove II to the right, and the width of the pattern groove I, the width of the pattern groove III and the width of the pattern groove V are smaller than the width of the pattern groove II and the width of the pattern groove IV. The requirements for ice and snow braking performance and handling stability in winter are met preferentially, the requirement for wear resistance in summer is met, and the tedious tire changing link is avoided.

The present invention relates to the field of tire finite element simulation methods, and in particular to a finite element tire simulation rapid convergence method, application and program product using a virtual rim. The present invention establishes an equivalent virtual rim model to achieve relative constraints on the contact position between the virtual rim and the tire, thereby changing the contact state between the tire and the rim, which can greatly improve the convergence of tire finite element analysis under large strain, multiple working conditions and large load conditions. It has been verified that the simulation results using the virtual rim are highly consistent with those using the actual rim. The method improves the analysis efficiency and shortens the research and development cycle while ensuring the analysis accuracy. The present invention is suitable for finite element simulation of various tires such as all-steel radial tires, semi-steel radial tires, bias tires, engineering tires, etc.

The utility model discloses a low-noise high-humidity skiing land radial tire which comprises tire shoulder pattern blocks and central pattern blocks, the tire shoulder pattern blocks and the central pattern blocks are radially arranged on a tire tread, the tire tread adopts a symmetrical design, and the tire shoulder pattern blocks and the central pattern blocks are arranged from outside to inside from the tire shoulder pattern blocks to the central pattern blocks. According to the utility model, by optimizing the shape and the arrangement of the patterns, the noise of the tire is effectively reduced, the noise problem of the snow tire is improved, the risk that the wet and slippery performance of the tire is reduced and the tire slips under the condition that accumulated water is accumulated on a road surface after accumulated snow is melted in the patterns of the snow radial tire in the prior art is solved, and the snow performance is ensured on the basis of ensuring the snow performance.

The invention provides an all-steel radial tire body cord shoulder bending multiple control method which comprises the following steps: processing white rubber into a rubber sheet by using an open mill, and isolating two sides of the rubber sheet by using plastic cloth liners; cutting the rubber sheet into rubber strips with specified sizes; when the tire blank is formed, the rubber strip is attached outwards along the tire body reverse wrapping end point, and the position of the rubber strip is marked on the lower side of the tire side edge portion through a white crayon; carrying out X-ray detection after the tire blank is vulcanized, and confirming the shoulder bending multiple of the tire body cord thread; the method has the advantages that the problem of the bending multiple of the shoulder of the tire body cord thread can be accurately judged by performing section cutting and observing the state of the white rubber at the marking position of the white crayon, accurate adjustment is performed according to the problem, the tire body cord thread is ensured to be bent by 1-2 times without thread display in the tire, the service performance of the tire is improved, and the service life of the tire is prolonged.

Provided is a pneumatic radial tire for passenger vehicles in which the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and an end of the carcass (an end of a carcass turn-up portion when the carcass has the carcass turn-up portion) in one tire width-direction half that is on the inner side when the tire is mounted on a vehicle is located on the inner side in the tire radial direction than an end of the carcass turn-up portion in the other tire width-direction half that is on the outer side when the tire is mounted on a vehicle.

The invention discloses a method for increasing the sidewall turn-up height in a building process of an all-steel radial tire, which comprises the following steps of: acquiring multi-source data such as temperature, pressure and angle in a turn-up process through an infrared temperature sensor, a pressure sensor and the like; and constructing a multiple linear regression model, a machine learning model and a hybrid model fused with the physical principle, analyzing the relationship between the process parameters and the anti-package height, and performing verification and optimization. According to model output parameters, a servo motor is used for accurately controlling the downward pressing angle and pressure of a reverse wrapping pressing roller, and production is executed in cooperation with an auxiliary supporting ring and a sectional type reverse wrapping technology; meanwhile, the turn-up height is detected in real time through an intelligent monitoring system, and parameters are automatically adjusted when the turn-up height does not reach the standard. According to the method, precise regulation and control of the tire sidewall turn-up height are achieved, compared with a traditional process, the product percent of pass is increased to 95% or above from 85%, the production efficiency is improved by 20%-30%, the tire structure stability is effectively enhanced, the rolling resistance and the tire burst risk are reduced, and intelligent upgrading of tire manufacturing is promoted.

The present invention discloses a system for automatically generating the forming and pressing action trajectory of a radial tire embryo, including a pressing device. A login module is arranged in the pressing device, a detection module is arranged in the pressing device, a data information library is arranged in the pressing device, and a pressing module is arranged in the pressing device. The login module is electrically connected to the detection module, the login module is electrically connected to the data information library, the data information library is electrically connected to the detection module, the data information library is electrically connected to the pressing module, the pressing module is electrically connected to the detection module, an equipment terminal is electrically connected to the pressing device, and a probe is electrically connected to the pressing device. The present invention relates to a system for automatically generating the forming and pressing action trajectory of a radial tire embryo, which has the characteristics of being able to automatically match and perform pressing and matching data to sub-devices.

The invention discloses a seam allowance wear-resistant rubber for a truck radial tire, and belongs to the field of tires. In order to solve the problem of low air tightness of the bead wear-resistant rubber in the prior art, the bead wear-resistant rubber is prepared from the following components: a raw rubber composition, a carbon black composition, stearic acid, zinc oxide, an anti-aging agent composition, protective wax, softening oil, a resin mixture, light magnesium oxide, insoluble sulfur, an accelerant mixture, a scorch retarder CTP and a hardening reinforcing agent. The process is simple and convenient to operate, the components and the process are optimized, so that the air tightness of the seam allowance rubber material is higher, the rubber material, the filler and the chemical material are dispersed more uniformly, the air tightness of the rubber material is improved, and the aging resistance is improved.

The invention discloses an all-steel radial tire shoulder pad rubber structure and a tire. The width of a pad rubber is 35%-45% of the width of a tread, the thickness of the middle part is 6-8 mm, the thickness of the edge is 2-3 mm, the included angle between the edges of the two sides and the center line of the tread is 15-25 degrees, and three positioning points are arranged. By optimizing the size parameters and the positioning mode of the cushion rubber and matching with the gradual change thickness design and the specific material formula, the deformation of the cushion rubber in the tire forming process is reduced. According to the structure, a transition layer is further arranged between the cushion rubber and the first belted layer, and interlayer combination is enhanced. Compared with a traditional structure, the flatness of the belted layer can be improved, end point shear stress is reduced, tire shoulder faults are reduced, and the durability of the tire is improved.

The invention provides a one-step method small-diameter fitting forming drum for a farm tire and a fitting process of the one-step method small-diameter fitting forming drum. The one-time method small-diameter fitting forming drum for the agricultural tire comprises a main shaft assembly, the middle drum assembly is arranged on the outer side of the main shaft assembly in a sleeving mode and is driven by the main shaft assembly to rotate, and the outer surface of the middle drum assembly can expand and contract; the side drum assembly is arranged on the outer side of the main shaft assembly in a sleeving mode and driven by the main shaft assembly to rotate, the side drum assembly is located on the axial side face of the middle drum assembly, the outer surface of the side drum assembly can axially move and be arranged in an expanding and shrinking mode, and when the side drum assembly axially moves, an avoiding area can be formed by the side drum assembly and the middle drum assembly; when the middle drum assembly and / or the side drum assembly expand / shrink, the flush relation between the outer surface of the middle drum assembly and the outer surface of the side drum assembly can be changed; and the locking ring assembly is located between the middle drum assembly and the side drum assembly, and the locking ring assembly is arranged in an expanding and shrinking mode. The problem that in the prior art, an agricultural radial tire forming machine is low in automation level is solved.

The application discloses a kind of automatic feeding and discharging devices for semi-steel radial protruding white ring tire production, including hollow base, the top of the hollow base is provided with screw lifting assembly, the output structure transmission connection of screw lifting assembly is equipped with support shaft, and the one end of support shaft is equipped with pneumatic clamping component, the bottom of screw lifting assembly is provided with the rotary adjusting mechanism that is sleeved in the inside of hollow base one side.The automatic feeding and discharging device for semi-steel radial protruding white ring tire production, can be in the rotating pre-clamping process of second brake servo motor through first gear, second gear meshing transmission rotating shaft, screw lifting assembly, second brake servo motor makes inverted T type gear shaft linkage engagement two straight toothed plates by synchronous belt, and then by two straight toothed plates through corresponding transmission plate linkage corresponding curved elastic pressure frame plate, is clamped to the center by two curved elastic pressure frame plates synchronous to the multiple tire bodies in stacked state before clamping and maintains clamping effect.

The utility model discloses a radial tire for engineering machinery, which relates to the field of tire design and comprises a tire tread, a linear pattern wall and a U-shaped pattern wall are fixedly mounted on the periphery of the tire tread, a first reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall, and a second reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall. Side pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the linear pattern wall, shoulder pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the side pattern walls, and shoulder grooves are formed in the surfaces of the shoulder pattern walls. The height of the first reinforcing ribs is reasonably arranged, the connecting strength between the pattern walls is enhanced, the overall tear resistance is improved, the second reinforcing ribs are matched, the overall rigidity of the tire is remarkably enhanced, the performance of the tire is improved, and the service life of the tire is prolonged.

The invention discloses a civil aviation radial tire corrugated protective layer rubber and a preparation method thereof, and the rubber adopts a technical method that 1 # smoked sheet rubber is used as a main body material, N330 carbon black is used as a reinforcing system, N46 engine oil is used as a plasticizer, insoluble sulfur, an accelerant DZ and the like are used as vulcanizing agents, and an adhesive RS, C9 resin and tackifying resin HT-M are used as an adhesive system. The rubber material with high adhesion, impact resistance, tear resistance, puncture resistance, low heat generation and good fatigue resistance is prepared through a certain mixing process, and the rubber material serving as the corrugated protective layer rubber material of the civil aviation radial tire has good adhesion performance of a framework material (aramid fiber rope), higher physical performance, lower heat generation performance and good anti-fatigue performance. The damage resistance of foreign object puncture resistance and mechanical damage resistance of the civil aviation radial tire is improved, so that the durability of the tire is improved.

The present invention discloses an airtight layer of an engineering radial tire, a production process thereof, and a method for detecting its tear resistance, and relates to the field of tire technology. The technical solution is as follows: (1) the airtight layer comprises the following components in parts by weight: 60-80 parts of brominated butyl rubber, 10-15 parts of natural rubber, 10-15 parts of chlorosulfonated polyethylene, and 55-60 parts of carbon black; (2) the exhaust line groove of the vulcanization bladder is arc-shaped, with a depth h'=1.65-1.8mm, a width W'=7.5-7.8mm, a surface chamfer R1'=3.2-3.5mm, a groove bottom chamfer R2'=1.5-1.8mm, and a groove cross-sectional area of 5.5-6mm. 2 The present invention adjusts the formula design of the tire airtight layer, increases the tear resistance of the airtight layer, improves the size design of the exhaust line of the vulcanizing bladder, can extend the service life of the vulcanizing bladder, and reduce aging and cracking at the groove position of the vulcanizing bladder.

The PET cord for manufacturing a cap ply and the cap ply manufactured using same according to the present invention have low heat shrinkage characteristics and a moderately low modulus even at high temperatures compared to PET having general heat shrinkage characteristics and high-temperature modulus, and exhibits a low modulus in a low elongation range, thereby solving disadvantages in the manufacturing process and providing higher reinforcement than nylon. In addition, the tire according to the present invention in which the bonding relationship between the tread and steel belt layer adjacent to the cap ply is adjusted can overcome the physical limitations that may occur when PET is used as a cord material of the cap ply.

This invention discloses a radial tire with a 0° fiber belt layer and its processing method, relating to the field of tire technology. It includes a steel belt layer, with a 0° fiber belt layer wound around its outer surface. The 0° fiber belt layer is covered by a tire crown, and the steel belt layer encloses a tire carcass. The processing method includes the following steps: S1, raw material conveying: the steel belt layer, the 0° fiber belt layer, and the tire crown are sequentially conveyed to a forming module via a conveying module; S2, steel belt layer forming; S3, 0° fiber belt layer forming; S4, tire crown forming; S5, tire blank transfer and assembly with the tire carcass. The 0° fiber belt layer tightens the steel belt layer, ensuring the radial tire's excellent impact resistance and durability. This allows for accurate alignment of the steel belt layer's oblique joints, ensuring the accuracy of subsequent processing, improving the processing efficiency of the steel belt layer, avoiding stress concentration caused by edge warping, and precisely solving the edge warping problem.

The invention discloses an all-steel load-bearing radial tire and relates to the technical field of radial tires. The present invention optimizes the design of the tire's outer profile section width SW, lower side plate height LSH, and bead positioning line width TTZ. Under the constraints of given technical parameters, the stress deformation of the tire bead area is small. At the same time, in terms of structural design, the carcass cord end point height HSC, the bead chafer outer end point height HWC.O, the bead chafer inner end point height HWC.I, the hard apex rubber upper end point height HHBF, the bead area integral reinforcement layer arranged between the carcass cord, apex rubber and steel ring, and the bead chafer inner reinforcement layer arranged between the carcass cord and the bead chafer inner end point are optimized, and new requirements are set for the strength of the reinforcement layer and the strength and modulus of the cord covering rubber. In terms of formula materials, the deformation and modulus matching of soft and hard apex rubbers are also deeply explored and verified, so that the stress deformation of the entire bead area is reduced, thereby reducing early cracks at the carcass cord end point, the bead chafer outer / inner end point, the hard apex rubber upper end point, and the widest position of the steel ring, effectively extending the service life of the tire.

The application provides a kind of tire cornering stiffness calculation device, method and computer terminal, specifically relates to automobile tire stiffness calculation method technical field.The method comprises: the tire is radial tire, the calculation method comprises: obtaining the geometric parameters, material parameters and construction parameters of the tire;According to the geometric parameters and the material parameters, the pattern stiffness of the tire and the crown stiffness of the tire are calculated;According to the construction parameters of the tire, the cornering stiffness correction coefficient of the tire is calculated;According to the pattern stiffness of the tire, the crown stiffness and the cornering stiffness correction coefficient of the tire, and the cornering stiffness function obtained by pre-simulation, the cornering stiffness of the tire is calculated.Through the calculation method provided by the application, the accuracy of tire cornering stiffness can be improved, and reliable data guarantee is provided for vehicle control.

The invention relates to a high-speed high-load truck radial tire which comprises a tire crown, the tire crown comprises a steel wire winding structure or a fiber crown strip net-shaped winding structure, and the steel wire winding structure is prepared through the following method that a plurality of steel wires are arranged side by side; the steel wire winding structure is obtained by performing online winding after extruding the steel wire adhesive tape through online adhesive coating or performing offline winding after extruding the steel wire adhesive tape offline. The high-speed and high-load loading radial tire has good durability and high-speed performance, the service life of the tire is prolonged, the tire replacement frequency is reduced, and the special requirements of urban traffic vehicles running on special cement reinforcement square stand column pavements can be met.

The present invention relates to the field of tire simulation design technology, and in particular to a simulation method, system and program product for radial tire bead pressure. The method comprises: establishing an axisymmetric finite element model based on the material distribution diagram of the tire and the rim; generating a three-dimensional tire and rim model through a periodic rotation law, and automatically defining the "kill" unit and the retained unit of the rim active block in combination with the life and death unit technology; in the simulation process, different deformation constraints are applied after the rim expands to the nominal diameter to simulate the actual test conditions of the bead pressure. Compared with the prior art, the present invention improves the modeling efficiency, simplifies the model editing and result processing steps, and at the same time improves the simulation accuracy by more than 10%, and the error with the actual measured results is small. The invention is suitable for the design and optimization of radial tires, and has the characteristics of low cost, high precision and high efficiency.

1. Name of the Design Product: One - stage Molding Machine for Passenger Car Radial Tires. 2. Use of the Design Product: Used for one - stage molding and manufacturing of uncured passenger car radial tires. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The invention discloses a method for measuring the bending amount of a carcass cord of an all-steel radial tire, which comprises the following steps of: cutting the tire into a flat section, and establishing a global coordinate reference; removing the lining layer to obtain a complete carcass cord, connecting the mark points on the front and back surfaces to form a measurement datum line, and establishing a space coordinate system; accurately mapping the three-dimensional cord thread form into a two-dimensional plane rubbing graph, and generating a standardized measurement data source through transfer fixation; based on the plane rubbing graph, the bending amount of the tire body cord thread is obtained through geometric modeling and trigonometric function calculation, then the bending degree is calculated, and the bending degree is converted into lossless quantitative analysis and engineering parameter output of cord thread deformation. According to the method, the measurement of the bending amount and the bending degree of the tire body cord thread is realized by combining geometric modeling and trigonometric function calculation through standardized section cutting, symmetric marking, inner lining layer lossless stripping and carbon powder plane rubbing technologies, and quantitative data support is provided.

The utility model discloses a tire bead structure of an all-steel radial tire, which belongs to the field of tire structures and comprises a sidewall rubber area, a wear-resistant rubber area, a steel wire wrapping cloth area, a reinforced steel wire wrapping cloth area, an isolation rubber area, a tire body steel cord area, a steel wire ring area, a lower apex area, a lining layer area and an upper apex area. A layer of reinforced steel wire wrapping cloth is additionally arranged between the steel wire wrapping cloth area and the tire body steel cord area, and the height values of all end points of the steel wire wrapping cloth area, the reinforced steel wire wrapping cloth area, the tire body steel cord area, the upper apex area and the lower apex area are configured in a staggered difference level mode, so that the stress concentration problem of all component materials can be solved; wherein the end point of the inner side of the reinforced steel wire wrapping cloth area is located in the center of the bottom of the steel wire ring area, the purpose of reinforcing the tire bead can be achieved, stretching from the tire sidewall to the tire bead part can be reduced, and the risk that the tire sidewall cracks is reduced.

The utility model discloses a tire bead processing device for an all-steel radial tire, and relates to the technical field of tire bead processing devices. The all-steel radial tire bead machining device comprises a carrier, and a driving mechanism used for smearing steel wire layer liquid on an all-steel radial tire bead is fixedly installed at the top of the back face of the carrier. A servo motor is electrified to operate to drive a screw rod to rotate, the rotating screw rod can drive a screw sleeve frame to move horizontally, the screw sleeve frame moving horizontally can drive an electric rod to move horizontally to a designated position, and then the electric rod is electrified to operate to drive an electric push rod to extend into a tire. The electric push rod is powered on to operate to drive the sponge to move horizontally to the inner side of the tire bead to abut against the inner side of the tire bead, the steel wire layer liquid can be smeared on the tire bead of the all-steel radial tire in cooperation with the conveying pump, and the coating thickness of the tire bead of the all-steel radial tire can be adjusted by presetting the moving stroke of the electric push rod.

The invention discloses a high-strength corrosion-resistant semi-steel radial tire segmented mold aluminum flower block, and relates to the technical field of tire molds, the high-strength corrosion-resistant semi-steel radial tire segmented mold aluminum flower block comprises a base, sliding tables are symmetrically arranged at the top of the base in a sliding mode, molds are arranged at the tops of the sliding tables, and rotating assemblies are arranged at the positions, away from the molds, of the tops of the sliding tables. According to the high-strength corrosion-resistant aluminum flower block for the segmented mold of the semi-steel radial tire, the driving gear is driven to rotate through the shaft rod, the toothed plate and the arc-shaped plate are driven to rotate, the aluminum flower block connected with the arc-shaped plate through the connecting assembly can correspondingly move along with rotation of the arc-shaped plate, and when the arc-shaped plate rotates, the connecting block moves along with rotation of the arc-shaped plate; the L-shaped mounting blocks are driven to move through the connecting rods, the movement of the L-shaped mounting blocks can drive the aluminum flower blocks to be subjected to position adjustment in the die holes, the positions of the multiple aluminum flower blocks can be adjusted at the same time due to the fact that the multiple connecting assemblies are distributed at equal intervals, and compared with the mode that the flower blocks are adjusted one by one in the prior art, the working efficiency is greatly improved.

The utility model relates to the technical field of steel cords, in particular to a steel cord structure for a tire body of an all-steel radial tire, which comprises a core wire comprising two first monofilaments which are spirally assembled together at the lay length of L1; the middle layer comprises eight second monofilaments which are spirally assembled outside the core wire at a lay length L2; and the outer layer comprises fourteen third monofilaments which are spirally wound outside the middle layer at a lay length L3. The three-layer structure of 2 + 8 + 14 is adopted, the second monofilaments of the middle layer and the first monofilaments of the inner layer are kept in linear contact and form an oval outline, gaps used for glue permeation are formed between the second monofilaments of the middle layer, the structure is stable, the strength is high, the third monofilaments of the outer layer are in point contact with the middle layer, a larger glue permeation gap is formed, and the glue permeation effect is good. The whole steel cord has better rubber permeation performance and corrosion resistance, and the safety performance is high after the steel cord is made into a tire.

The utility model relates to a tire technical field especially having a noise reduction function's all steel radial tire, including the carcass ply, the outer wall edge of carcass ply is provided with the bead wire, the connecting portion of carcass ply and bead wire is provided with the triangle gum, the inside of carcass ply is provided with the reinforced meridian, the outer wall suture of reinforced meridian has the connecting fiber, the inner wall of carcass ply has the airtight layer, the outer wall of carcass ply has the belt layer. The utility model is provided with two groups of staggered distribution's sipe pattern, and the asymmetric sipe pattern can reduce the noise when tire rolls, realizes the noise reduction operation of tire, through setting up sipe pattern and pattern groove perpendicular, it is convenient for the water to be discharged fast, improves the drainage performance of tire, through setting up six groups of connecting fiber, it is favorable to improve the connecting strength of reinforced meridian, avoids the deflection of reinforced meridian.

This invention relates to a cut-resistant, low-heat-generating all-steel radial engineering tire tread compound formulation and its preparation method, comprising: 70-80 parts natural rubber, 30-50 parts styrene-butadiene rubber, 20-40 parts carbon black, 10-15 parts silica, 2-3 parts silane coupling agent, 2-3 parts stearic acid, 3-4.5 parts zinc oxide, 3-5 parts antioxidant system, 1-2 parts dispersant, 1-4 parts sulfur, 1-4 parts accelerator, and 0.1-0.4 parts scorching inhibitor; the raw rubber of this invention... The system primarily uses natural rubber, which is high in strength and low in heat generation. It also incorporates solution-polymerized styrene-butadiene rubber (SBR) to overcome the high heat generation disadvantage of traditional emulsion-polymerized SBR. Furthermore, it utilizes a wet mixing technique involving carbon nanotubes and nano-carbon black in solution-polymerized SBR to resolve dispersion issues related to reinforcing fillers and carbon nanotubes. This results in a high proportion of binder, high strength, low heat generation, and outstanding abrasion resistance. Simultaneously, it also gives the formulation excellent cut and puncture resistance, effectively overcoming the issues of prominent shoulder and crown aortic ...

The invention relates to the technical field of vehicle tire test data analysis, in particular to a radial tire rubber-coated steel wire ring interlayer bonding strength test method which comprises the steps that a load data sequence and a displacement data sequence are collected through test equipment, wavelet transform filtering is applied to remove noise, and zero drift correction is carried out to obtain a smooth curve; calculating a linear regression determination coefficient and a slope standard deviation by adopting sliding window scanning to identify a feature interval; the maximum load value and the area under the curve are extracted from the feature interval to calculate the interlayer bonding strength value; effectiveness judgment and parameter adaptive adjustment are realized through material standard threshold comparison and variable coefficient analysis; and finally, automatically generating a test report for marking the feature interval. According to the invention, the defects of low manual operation efficiency, poor precision and insufficient consistency are overcome, and full-process automatic testing is realized.