Weld joint torque strength evaluation method, device and equipment and storage medium
By obtaining weld hardness measurements and linear relationship calculations, and combining these with parameter calculations to determine torque strength, the time-consuming and labor-intensive nature of existing technologies is solved, enabling rapid and efficient assessment of weld torque strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-05
- Publication Date
- 2026-04-14
AI Technical Summary
In existing technologies, weld torque strength assessment relies on destructive mechanical property testing, which is time-consuming and labor-intensive, making it difficult to improve assessment efficiency.
By obtaining multiple hardness measurements of the weld cross-section, the minimum hardness value is determined. Tensile strength and shear strength are calculated based on a preset linear relationship, and torque strength is calculated in combination with the number of layers, width parameters, angle parameters, and radius.
It eliminates the need for complex testing procedures and enables rapid assessment of weld torque strength, thus improving assessment efficiency.
Smart Images
Figure CN121862267A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of torque assessment technology, and in particular to a method, apparatus, equipment, and storage medium for assessing the torque strength of welds. Background Technology
[0002] Currently, the torque strength assessment of lap-welded structures typically relies on destructive mechanical property testing. Such methods require the preparation of standard specimens and testing on specialized equipment, a time-consuming and labor-intensive process. Therefore, improving the efficiency of weld torque strength assessment remains a problem to be solved.
[0003] The above content is only used to help understand the technical solution of this application and does not represent an admission that the above content is prior art. Summary of the Invention
[0004] The main objective of this application is to provide a method, apparatus, device, and storage medium for evaluating weld torque strength, aiming to solve the technical problem of how to improve the efficiency of weld torque strength evaluation.
[0005] To achieve the above objectives, this application proposes a method for evaluating the torque strength of welds, the method comprising: Multiple hardness measurements of the weld cross-section are obtained, and the minimum hardness value is determined from the multiple hardness measurements; The tensile strength of the weld is calculated based on the minimum hardness value according to a preset linear relationship; The shear strength of the weld is calculated based on the tensile strength. The number of layers, width parameter, angle parameter, and radius of the weld are obtained, and the torque intensity is calculated based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius.
[0006] In one embodiment, the step of calculating the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship includes: The coefficient parameters and constant parameters are obtained based on the preset linear relationship; The minimum hardness value is multiplied by the coefficient parameter and added to the constant parameter to obtain the tensile strength.
[0007] In one embodiment, the step of obtaining the number of layers, width parameter, angle parameter, and radius of the weld seam includes: Obtain the radius of the weld; The weld seam is divided into multiple layers according to the radius, wherein weld seams with the same radius belong to the same layer; The multiple layers are sorted according to their radii to determine the layer order of each layer, with the layer with the largest radius being the outermost layer. The width and angle parameters of the weld cross-section were obtained using a measuring microscope.
[0008] In one embodiment, the step of calculating the torque intensity based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius includes: When the weld has a single layer, the torque strength is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. When the weld has multiple layers, the safe torque and the ultimate torque are calculated based on the shear strength, the width parameter, the angle parameter, and the radius.
[0009] In one embodiment, the step of calculating the safe torque and the ultimate torque based on the shear strength, the width parameter, the angle parameter, and the radius includes: The set of torque values for each weld layer is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. Determine the maximum torque value from the set of torque values; When the maximum torque value is at the outermost weld seam, the safe torque and the ultimate torque are calculated based on the set of torque values, and at this time the safe torque and the ultimate torque are equal; When the maximum torque value is at the inner weld seam, the safe torque and the ultimate torque are calculated based on the set of torque values.
[0010] In one embodiment, the step of calculating the safe torque and the ultimate torque based on the set of torque values when the maximum torque value is at the outermost weld seam includes: When the maximum torque value is at the outermost weld, obtain the radius of the outermost weld; The ratio of the radius of each weld layer to the radius of the outermost weld layer is calculated to obtain the torque coefficient of each layer. The torque value of each weld layer is multiplied by the corresponding torque coefficient to obtain the equivalent torque of each layer. The equivalent torques are added together to obtain the safe torque and the ultimate torque.
[0011] In one embodiment, the step of calculating the safe torque and the ultimate torque based on the set of torque values when the maximum torque value is at the inner weld seam includes: The maximum torque radius and the radius of the outermost weld are obtained based on the set of torque values. Calculate the ratio of the radius of each weld layer to the radius of the outermost weld layer to obtain the safety torque coefficient of each layer. Multiply the torque value of each weld layer by the corresponding safety torque coefficient to obtain the equivalent torque of each layer. Add the equivalent torques of each weld layer to obtain the safety torque. The inner weld where the maximum torque value is located is determined as the i-th layer. The ratio of the radius of the weld in the first i layers to the radius of the weld where the maximum torque is located is calculated to obtain the limiting torque coefficient of the first i layers. The torque value of the first i layers is multiplied by the corresponding limiting torque coefficient to obtain the equivalent torque of the first i layers. The equivalent torques of the first i layers are added together to obtain the limiting torque.
[0012] Furthermore, to achieve the above objectives, this application also proposes a weld torque strength evaluation device, which includes: The determination module is used to acquire multiple hardness measurement values of the weld cross-section and determine the minimum hardness value from the multiple hardness measurement values; The calculation module is used to calculate the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; The calculation module is used to calculate the shear strength of the weld based on the tensile strength; The evaluation module is used to obtain the number of layers, width parameter, angle parameter and radius of the weld, and calculate the torque strength based on the number of layers, the shear strength, the width parameter, the angle parameter and the radius.
[0013] Furthermore, to achieve the above objectives, this application also proposes a weld torque strength evaluation device, the device comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the computer program being configured to implement the steps of the weld torque strength evaluation method as described above.
[0014] In addition, to achieve the above objectives, this application also proposes a storage medium, which is a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the weld torque strength evaluation method described above.
[0015] In addition, to achieve the above objectives, this application also provides a computer program product, which includes a computer program that, when executed by a processor, implements the steps of the weld torque strength evaluation method described above.
[0016] This application provides a method for evaluating the torque strength of a weld. The method involves acquiring multiple hardness measurements of the weld cross-section and determining a minimum hardness value from these measurements. Based on this minimum hardness value, the tensile strength of the weld is calculated according to a preset linear relationship. The shear strength of the weld is then calculated based on the tensile strength. The number of weld layers, width parameter, angle parameter, and radius are obtained, and the torque strength is calculated based on these parameters. This method evaluates the torque strength using the average hardness and width of the weld, eliminating the need for complex experimental procedures and allowing for rapid determination of the torque strength, thus improving the efficiency of weld torque strength evaluation. Attached Figure Description
[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a flowchart illustrating an embodiment of the method for evaluating weld torque strength in this application. Figure 2 This is a flowchart illustrating Example 2 of the method for evaluating weld torque strength in this application. Figure 3 A schematic diagram of a single-layer weld provided in Embodiment 2 of the method for evaluating weld torque strength of this application; Figure 4 A schematic diagram of a multi-layer weld provided for Embodiment 2 of the method for evaluating weld torque strength in this application; Figure 5 This is a schematic diagram of the module structure of the weld torque strength evaluation device according to an embodiment of this application; Figure 6 This is a schematic diagram of the equipment structure of the hardware operating environment involved in the weld torque strength evaluation method in the embodiments of this application.
[0020] The purpose, features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0021] It should be understood that the specific embodiments described herein are merely illustrative of the technical solutions of this application and are not intended to limit this application.
[0022] To better understand the technical solution of this application, a detailed description will be provided below in conjunction with the accompanying drawings and specific implementation methods.
[0023] This application obtains multiple hardness measurements of the weld cross-section and determines the minimum hardness value from the multiple hardness measurements; calculates the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; calculates the shear strength of the weld based on the tensile strength; obtains the number of layers, width parameter, angle parameter, and radius of the weld, and calculates the torque strength based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius.
[0024] Currently, the assessment of the torque strength of welded structures typically relies on destructive mechanical property tests. These methods require the preparation of standard specimens and testing on specialized equipment, a time-consuming and labor-intensive process that hinders rapid evaluation. Therefore, improving the efficiency of weld torque strength assessment remains a problem that needs to be addressed.
[0025] This application evaluates torque strength by measuring the average hardness and width of the weld, eliminating the need for complex testing procedures and allowing for rapid determination of torque strength, thus improving the efficiency of weld torque strength evaluation.
[0026] Based on this, embodiments of this application provide a method for evaluating the torque strength of welds, referring to... Figure 1 , Figure 1 This is a flowchart illustrating the first embodiment of the method for evaluating weld torque strength according to this application.
[0027] In this embodiment, the method for evaluating the weld torque strength includes steps S10 to S40: Step S10: Obtain multiple hardness measurements of the weld cross-section and determine the minimum hardness value from the multiple hardness measurements; It should be noted that the executing entity in this embodiment can be a computing service device with data processing, network communication, and program execution functions, such as a tablet computer, personal computer, or mobile phone, or an electronic device or a weld torque strength evaluation device capable of performing the above functions. The following description uses a weld torque strength evaluation device as an example to illustrate this embodiment and the subsequent embodiments.
[0028] It should be noted that during implementation, a Vickers hardness tester can be used to measure the weld cross-section at multiple points. The measurement points are evenly distributed along the weld centerline and the heat-affected zone to obtain multiple Vickers hardness values (Hv). Then, by comparing all the measured values, the hardness value with the smallest value is selected as the minimum hardness value to ensure that the evaluation is based on the weakest area and improve reliability.
[0029] Step S20: Calculate the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; It should be noted that the linear relationship can be obtained by fitting experimental data. The linear relationship fitted based on the actual hardness and tensile strength data is the preset linear relationship.
[0030] In one feasible approach, the step of calculating the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship includes: obtaining a coefficient parameter and a constant parameter according to the preset linear relationship; multiplying the minimum hardness value by the coefficient parameter and adding it to the constant parameter to obtain the tensile strength.
[0031] It should be noted that during implementation, the preset linear relationship is stored in a database or program, for example, the coefficient parameter is 3.1242 and the constant parameter is 86.756; these parameters are determined through regression analysis of historical experimental data. After obtaining the coefficient and constant parameters, the tensile strength can be calculated. If the minimum hardness value is 200 Hv, then the tensile strength is 200 multiplied by 3.1242 and added to 86.756, resulting in a final value of 712.596 MPa.
[0032] Step S30: Calculate the shear strength of the weld based on the tensile strength; It should be noted that, according to the experience of mechanics of materials, the shear strength is taken as 0.75 times the tensile strength, that is, the tensile strength is multiplied by 0.75 to obtain the shear strength.
[0033] Step S40: Obtain the number of layers, width parameter, angle parameter, and radius of the weld, and calculate the torque intensity based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius.
[0034] It should be noted that the width parameter can be the average width of welds in the same layer (with the same weld radius), and the angle parameter is the angle between the weld and the base material, in radians. The radius is the distance from the center of the circle to the center of the weld for a circumferential weld.
[0035] In one feasible approach, the step of obtaining the number of layers, width parameter, angle parameter, and radius of the weld seam includes: obtaining the radius of the weld seam; dividing the weld seam into multiple layers according to the radius, wherein weld seams with the same radius belong to the same layer; The multiple layers are sorted according to their radii to determine the layer order, with the layer with the largest radius being the outermost layer; the width and angle parameters of the weld cross-section are obtained by measuring a microscope.
[0036] Generally, a metallographic microscope or scanner is used to photograph the cross-sectional sample of the weld to identify the weld boundary, and then the width and angle parameters are measured. The radius of the weld is measured before it is cut. The weld cross-section is then cut, sampled, ground, etched, and hardness tests are performed at different locations within the weld using a hardness tester to obtain hardness parameters, weld width, and angle. The number of layers refers to the number of welds at different radii. For example, a weld with radius r may have multiple welds spaced apart on the same radius, all belonging to the same layer. Therefore, the number of layers is the number of welds at different radii; even if there are multiple welds within the same radius, it is only counted as one layer. Thus, the number of weld layers can be determined based on the radius. The number of layers can be coded from smallest to largest according to the size of the radius.
[0037] This embodiment acquires multiple hardness measurements of the weld cross-section and determines the minimum hardness value from these measurements. Based on the minimum hardness value, the tensile strength of the weld is calculated according to a preset linear relationship. The shear strength of the weld is calculated based on the tensile strength. The number of weld layers, width parameter, angle parameter, and radius are acquired, and the torque strength is calculated based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius. This embodiment evaluates torque strength using the average hardness and width of the weld, eliminating complex experimental procedures and allowing for rapid acquisition of torque strength, thus improving the efficiency of weld torque strength evaluation.
[0038] Based on the first embodiment of this application, in the second embodiment of this application, the content that is the same as or similar to that in the first embodiment described above can be referred to the above description, and will not be repeated hereafter. Based on this, please refer to... Figure 2 Step S40 also includes steps S401 to S402: Step S401: When the weld has a single layer, the torque strength is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. It should be noted that this can be used as a reference. Figure 3 , Figure 3 This is a schematic diagram of a single-layer weld. The torque calculation formula is:
[0039] Where σ is the shear strength, denoted as weld angle, r as radius, and d as weld width parameter.
[0040] Step S402: When the weld has multiple layers, the safe torque and the ultimate torque are calculated based on the shear strength, the width parameter, the angle parameter, and the radius.
[0041] It should be noted that this can be used as a reference. Figure 4 , Figure 4This is a schematic diagram of a multi-layer weld. When there are multiple weld layers, it is necessary to first calculate the torque value of each layer, and then determine the safe torque (the ultimate torque at which no weld layer is damaged) and the ultimate torque (the ultimate torque at which all weld layers are damaged) based on the torque value distribution.
[0042] In one feasible approach, the step of calculating the safe torque and the ultimate torque based on the shear strength, the width parameter, the angle parameter, and the radius includes: calculating a set of torque values for each weld layer based on the shear strength, the width parameter, the angle parameter, and the radius; determining the maximum torque value from the set of torque values; when the maximum torque value is located in the outermost weld layer, calculating the safe torque and the ultimate torque based on the set of torque values, where the safe torque and the ultimate torque are equal; when the maximum torque value is located in the inner weld layer, calculating the safe torque and the ultimate torque based on the set of torque values respectively.
[0043] It should be noted that when the weld has multiple layers, if the maximum torque is located on the outermost layer, the safe torque and the ultimate torque are equal, and can be directly calculated. However, when the maximum torque is located on an inner layer, the safe torque and the ultimate torque need to be calculated separately.
[0044] In one feasible approach, the step of calculating the safe torque and ultimate torque based on the set of torque values when the maximum torque value is at the outermost weld seam includes: obtaining the radius of the outermost weld seam when the maximum torque value is at the outermost weld seam; calculating the ratio of the radius of each weld layer to the radius of the outermost weld seam to obtain the torque coefficient of each layer; multiplying the torque value of each weld layer by the corresponding torque coefficient to obtain the equivalent torque of each layer; and adding the equivalent torques to obtain the safe torque and ultimate torque.
[0045] It should be noted that the maximum torque is exactly at the outermost layer. Therefore, the safe torque for all welds to remain intact and the ultimate torque for complete failure are equal, calculated using the following formula:
[0046] Where σ is the shear strength (the shear strength is the same for each layer). r is the angle of the nth layer of welds (multiple discontinuous welds in the same layer require angle superposition). n Let d be the radius of the nth layer. n Let RR be the width parameter of the nth weld layer, and RR be the radius corresponding to the maximum torque value. At this time, RR = Rn, and Rn is the radius corresponding to the outermost weld layer.
[0047] In one feasible approach, the step of calculating the safe torque and the ultimate torque based on the set of torque values when the maximum torque value is located in the inner weld seam includes: obtaining the maximum torque radius and the radius of the outermost weld seam based on the set of torque values; Calculate the ratio of the radius of each weld layer to the radius of the outermost weld layer to obtain the safety torque coefficient of each layer. Multiply the torque value of each weld layer by the corresponding safety torque coefficient to obtain the equivalent torque of each layer. Add the equivalent torques of each weld layer to obtain the safety torque. The inner weld where the maximum torque value is located is determined as the i-th layer. The ratio of the radius of the weld in the first i layers to the radius of the weld where the maximum torque is located is calculated to obtain the limiting torque coefficient of the first i layers. The torque value of the first i layers is multiplied by the corresponding limiting torque coefficient to obtain the equivalent torque of the first i layers. The equivalent torques of the first i layers are added together to obtain the limiting torque.
[0048] It should be noted that if the maximum torque is in the inner layer, taking the i-th layer as an example, the formula for calculating the safe torque that will not cause damage to the welds in layers 1-(i-1) and (i+1) to n, under the condition that the i-th layer weld reaches the torque limit, is as follows:
[0049] Where σ is the shear strength (the shear strength is the same for each layer). Let r be the angle of the nth weld layer. n Let d be the radius of the nth layer. n Rn is the width parameter of the nth layer weld, and Rn is the radius corresponding to the outermost layer weld.
[0050] When the i-th weld layer reaches its torque limit, weld layers (i+1) to n are the first to fracture. As the remaining torque continues to increase, the combined strength of layers 1 to i determines the ultimate torque at which all welds completely fail, calculated as follows:
[0051] Where σ is the shear strength (the shear strength is the same for each layer). , to These are the weld angles for layers 1, 2, and up to layer i, respectively, r1, r2, and r... i The radii of the first layer, the second layer, and so on up to the th layer are d1, d2, and d... i These are the weld width parameters for layers 1, 2, up to and including layer i, respectively. Ri is the radius corresponding to the maximum torque value, which is the radius of layer i in this case.
[0052] It should be noted that this embodiment evaluates the weld strength of concentric circular welds. If the weld is not concentric or has other shapes, it can be classified to obtain the approximate radius and weld length, and then the weld strength can be estimated in the same way.
[0053] In this embodiment, when the weld has a single layer, the torque strength is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. When the weld has multiple layers, the safe torque and the ultimate torque are calculated based on the shear strength, the width parameter, the angle parameter, and the radius. This embodiment uses different estimation methods depending on the number of weld layers, making it applicable to different welds and improving the efficiency of weld torque strength assessment.
[0054] This application also provides a device for evaluating the torque strength of welds, please refer to... Figure 5 The weld torque strength evaluation device includes: The determination module 10 is used to acquire multiple hardness measurement values of the weld cross section and determine the minimum hardness value from the multiple hardness measurement values; The calculation module 20 is used to calculate the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; The calculation module 30 is used to calculate the shear strength of the weld based on the tensile strength; Evaluation module 40 is used to obtain the number of layers, width parameter, angle parameter and radius of the weld, and calculate the torque intensity based on the number of layers, the shear strength, the width parameter, the angle parameter and the radius.
[0055] This embodiment acquires multiple hardness measurements of the weld cross-section and determines the minimum hardness value from these measurements. Based on the minimum hardness value, the tensile strength of the weld is calculated according to a preset linear relationship. The shear strength of the weld is calculated based on the tensile strength. The number of weld layers, width parameter, angle parameter, and radius are acquired, and the torque strength is calculated based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius. This embodiment evaluates torque strength using the average hardness and width of the weld, eliminating complex experimental procedures and allowing for rapid acquisition of torque strength, thus improving the efficiency of weld torque strength evaluation.
[0056] In one embodiment, the calculation module 20 is further configured to obtain coefficient parameters and constant parameters according to a preset linear relationship; multiply the minimum hardness value by the coefficient parameters and add them to the constant parameters to obtain the tensile strength.
[0057] In one embodiment, the evaluation module 40 is further configured to obtain the radius of the weld; divide the weld into multiple layers according to the radius, wherein welds with the same radius belong to the same layer; sort the multiple layers according to the size of the radius to determine the layer sequence of each layer, wherein the layer with the largest radius is the outermost layer; and obtain the width and angle parameters of the weld cross-section using a measuring microscope.
[0058] In one embodiment, the evaluation module 40 is further configured to calculate the torque intensity based on the shear strength, the width parameter, the angle parameter, and the radius when the weld has a single layer; and to calculate the safe torque and the ultimate torque based on the shear strength, the width parameter, the angle parameter, and the radius when the weld has multiple layers.
[0059] In one embodiment, the evaluation module 40 is further configured to calculate a set of torque values for each weld layer based on the shear strength, the width parameter, the angle parameter, and the radius; determine the maximum torque value from the set of torque values; when the maximum torque value is in the outermost weld layer, calculate the safe torque and the ultimate torque based on the set of torque values, at which point the safe torque and the ultimate torque are equal; when the maximum torque value is in the inner weld layer, calculate the safe torque and the ultimate torque based on the set of torque values respectively.
[0060] In one embodiment, the evaluation module 40 is further configured to: obtain the radius of the outermost weld when the maximum torque value is at the outermost weld; calculate the ratio of the radius of each weld layer to the radius of the outermost weld to obtain the torque coefficient of each layer; multiply the torque value of each weld layer by the corresponding torque coefficient to obtain the equivalent torque of each layer; and add the equivalent torques to obtain the safe torque and the ultimate torque.
[0061] In one embodiment, the evaluation module 40 is further configured to obtain the maximum torque radius and the radius of the outermost weld based on the set of torque values; calculate the ratio of the radius of each weld layer to the radius of the outermost weld layer to obtain the safety torque coefficient of each layer; multiply the torque value of each weld layer by the corresponding safety torque coefficient to obtain the equivalent torque of each layer; sum the equivalent torques of each weld layer to obtain the safety torque; determine the inner weld layer where the maximum torque value is located as the i-th layer; calculate the ratio of the radius of the first i-th weld layers to the radius of the weld layer where the maximum torque is located to obtain the limiting torque coefficient of the first i-th weld layers; multiply the torque value of the first i-th weld layers by the corresponding limiting torque coefficient to obtain the equivalent torque of the first i-th weld layers; sum the equivalent torques of the first i-th weld layers to obtain the limiting torque.
[0062] The weld torque strength evaluation device provided in this application, employing the weld torque strength evaluation method described in the above embodiments, can solve the technical problem of how to improve the efficiency of weld torque strength evaluation. Compared with the prior art, the beneficial effects of the weld torque strength evaluation device provided in this application are the same as those of the weld torque strength evaluation method provided in the above embodiments, and other technical features in the weld torque strength evaluation device are the same as those disclosed in the methods of the above embodiments, and will not be repeated here.
[0063] This application provides a weld torque strength evaluation device, which includes: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, which are executed by the at least one processor to enable the at least one processor to perform the weld torque strength evaluation method in Embodiment 1 above.
[0064] The following is for reference. Figure 6 The diagram illustrates a structural schematic of an evaluation device suitable for implementing the weld torque strength embodiments of this application. The evaluation device for weld torque strength in the embodiments of this application may include, but is not limited to, mobile terminals such as mobile phones, laptops, digital radio receivers, PDAs (Personal Digital Assistants), PADs (Portable Application Description), PMPs (Portable Media Players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and fixed terminals such as digital TVs and desktop computers. Figure 6 The weld torque strength assessment device shown is merely an example and should not impose any limitation on the functionality and scope of use of the embodiments of this application.
[0065] like Figure 6As shown, the weld torque strength evaluation device may include a processing unit 1001 (e.g., a central processing unit, a graphics processing unit, etc.), which can perform various appropriate actions and processes according to a program stored in ROM (Read Only Memory) 1002 or a program loaded from storage device 1003 into RAM (Random Access Memory) 1004. RAM 1004 also stores various programs and data required for the operation of the weld torque strength evaluation device. The processing unit 1001, ROM 1002, and RAM 1004 are interconnected via bus 1005. Input / output (I / O) interface 1006 is also connected to the bus. Typically, the following systems can be connected to I / O interface 1006: input devices 1007 including, for example, touchscreens, touchpads, keyboards, mice, image sensors, microphones, accelerometers, gyroscopes, etc.; output devices 1008 including, for example, liquid crystal displays (LCDs), speakers, vibrators, etc.; storage devices 1003 including, for example, magnetic tapes, hard disks, etc.; and communication devices 1009. Communication device 1009 allows the weld torque strength evaluation device to communicate wirelessly or wiredly with other devices to exchange data. Although weld torque strength evaluation devices with various systems are shown in the figures, it should be understood that it is not required to implement or possess all the systems shown. More or fewer systems may be implemented alternatively.
[0066] Specifically, according to the embodiments disclosed in this application, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments disclosed in this application include a computer program product comprising a computer program carried on a computer-readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via a communication device, or installed from storage device 1003, or installed from ROM 1002. When the computer program is executed by processing device 1001, it performs the functions defined in the methods of the embodiments disclosed in this application.
[0067] The weld torque strength evaluation device provided in this application, employing the weld torque strength evaluation method described in the above embodiments, can solve the technical problem of how to improve the efficiency of weld torque strength evaluation. Compared with the prior art, the beneficial effects of the weld torque strength evaluation device provided in this application are the same as those of the weld torque strength evaluation method provided in the above embodiments, and other technical features of this weld torque strength evaluation device are the same as those disclosed in the previous embodiment method, and will not be repeated here.
[0068] It should be understood that the various parts disclosed in this application can be implemented using hardware, software, firmware, or a combination thereof. In the description of the above embodiments, specific features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.
[0069] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
[0070] This application provides a computer-readable storage medium having computer-readable program instructions (i.e., a computer program) stored thereon, the computer-readable program instructions being used to execute the weld torque strength evaluation method in the above embodiments.
[0071] The computer-readable storage medium provided in this application may be, for example, a USB flash drive, but is not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to: electrical connections having one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof. In this embodiment, the computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, system, or device. The program code contained on the computer-readable storage medium may be transmitted using any suitable medium, including but not limited to: wires, optical cables, RF (Radio Frequency), etc., or any suitable combination thereof.
[0072] The aforementioned computer-readable storage medium may be included in the weld torque strength evaluation device; or it may exist independently and not assembled into the weld torque strength evaluation device.
[0073] The aforementioned computer-readable storage medium carries one or more programs that, when executed by a weld torque strength evaluation device, cause the weld torque strength evaluation device to: acquire multiple hardness measurements of the weld cross-section and determine a minimum hardness value from the multiple hardness measurements; calculate the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; calculate the shear strength of the weld based on the tensile strength; acquire the number of layers, width parameter, angle parameter, and radius of the weld, and calculate the torque strength based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius.
[0074] Computer program code for performing the operations of this application can be written in one or more programming languages or a combination thereof, including object-oriented programming languages such as Java, Smalltalk, and C++, and conventional procedural programming languages such as the "C" language or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a standalone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving remote computers, the remote computer can be connected to the user's computer via any type of network—including a Local Area Network (LAN) or a Wide Area Network (WAN)—or can be connected to an external computer (e.g., via the Internet using an Internet service provider).
[0075] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to various embodiments of this application. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions indicated in the blocks may occur in a different order than those indicated in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or operation, or using a combination of dedicated hardware and computer instructions.
[0076] The modules described in the embodiments of this application can be implemented in software or hardware. The names of the modules do not necessarily limit the functionality of the unit itself.
[0077] The readable storage medium provided in this application is a computer-readable storage medium that stores computer-readable program instructions (i.e., a computer program) for performing the above-described method for evaluating weld torque strength, thereby solving the technical problem of how to improve the efficiency of weld torque strength evaluation. Compared with the prior art, the beneficial effects of the computer-readable storage medium provided in this application are the same as those of the weld torque strength evaluation method provided in the above embodiments, and will not be repeated here.
[0078] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the steps of the weld torque strength evaluation method as described above.
[0079] The computer program product provided in this application can solve the technical problem of how to improve the efficiency of weld torque strength assessment. Compared with the prior art, the beneficial effects of the computer program product provided in this application are the same as the beneficial effects of the weld torque strength assessment method provided in the above embodiments, and will not be repeated here.
[0080] The above description is only a part of the embodiments of this application and does not limit the patent scope of this application. All equivalent structural transformations made under the technical concept of this application and using the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included in the patent protection scope of this application.
Claims
1. A method for evaluating the torque strength of a weld, characterized in that, The method includes: Multiple hardness measurements of the weld cross-section are obtained, and the minimum hardness value is determined from the multiple hardness measurements; The tensile strength of the weld is calculated based on the minimum hardness value according to a preset linear relationship; The shear strength of the weld is calculated based on the tensile strength. The number of layers, width parameter, angle parameter, and radius of the weld are obtained, and the torque intensity is calculated based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius.
2. The method as described in claim 1, characterized in that, The step of calculating the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship includes: The coefficient parameters and constant parameters are obtained based on the preset linear relationship; The minimum hardness value is multiplied by the coefficient parameter and added to the constant parameter to obtain the tensile strength.
3. The method as described in claim 1, characterized in that, The steps for obtaining the number of layers, width parameters, angle parameters, and radius of the weld include: Obtain the radius of the weld; The weld seam is divided into multiple layers according to the radius, wherein weld seams with the same radius belong to the same layer; The multiple layers are sorted according to their radii to determine the layer order of each layer, with the layer with the largest radius being the outermost layer. The width and angle parameters of the weld cross-section were obtained using a measuring microscope.
4. The method as described in claim 1, characterized in that, The step of calculating the torque intensity based on the number of layers, the shear strength, the width parameter, the angle parameter, and the radius includes: When the weld has a single layer, the torque strength is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. When the weld has multiple layers, the safe torque and the ultimate torque are calculated based on the shear strength, the width parameter, the angle parameter, and the radius.
5. The method as described in claim 4, characterized in that, The step of calculating the safe torque and the ultimate torque based on the shear strength, the width parameter, the angle parameter, and the radius includes: The set of torque values for each weld layer is calculated based on the shear strength, the width parameter, the angle parameter, and the radius. Determine the maximum torque value from the set of torque values; When the maximum torque value is at the outermost weld seam, the safe torque and the ultimate torque are calculated based on the set of torque values, and at this time the safe torque and the ultimate torque are equal; When the maximum torque value is at the inner weld seam, the safe torque and the ultimate torque are calculated based on the set of torque values.
6. The method as described in claim 5, characterized in that, The step of calculating the safe torque and the ultimate torque based on the set of torque values when the maximum torque value is at the outermost weld seam includes: When the maximum torque value is at the outermost weld, obtain the radius of the outermost weld; The ratio of the radius of each weld layer to the radius of the outermost weld layer is calculated to obtain the torque coefficient of each layer. The torque value of each weld layer is multiplied by the corresponding torque coefficient to obtain the equivalent torque of each layer. The equivalent torques are added together to obtain the safe torque and the ultimate torque.
7. The method as described in claim 5, characterized in that, The step of calculating the safe torque and the ultimate torque based on the set of torque values when the maximum torque value is at the inner weld seam includes: The maximum torque radius and the radius of the outermost weld are obtained based on the set of torque values. Calculate the ratio of the radius of each weld layer to the radius of the outermost weld layer to obtain the safety torque coefficient of each layer. Multiply the torque value of each weld layer by the corresponding safety torque coefficient to obtain the equivalent torque of each layer. Add the equivalent torques of each weld layer to obtain the safety torque. The inner weld where the maximum torque value is located is determined as the i-th layer. The ratio of the radius of the weld in the i-th layer to the radius of the weld where the maximum torque is located is calculated to obtain the limiting torque coefficient of the i-th layer. The torque value of the i-th layer is multiplied by the corresponding limiting torque coefficient to obtain the equivalent torque of the i-th layer. The equivalent torques of the i-th layer are added together to obtain the limiting torque.
8. A device for evaluating the torque strength of a weld, characterized in that, The device includes: The determination module is used to acquire multiple hardness measurement values of the weld cross-section and determine the minimum hardness value from the multiple hardness measurement values; The calculation module is used to calculate the tensile strength of the weld based on the minimum hardness value according to a preset linear relationship; The calculation module is used to calculate the shear strength of the weld based on the tensile strength; The evaluation module is used to obtain the number of layers, width parameter, angle parameter and radius of the weld, and calculate the torque strength based on the number of layers, the shear strength, the width parameter, the angle parameter and the radius.
9. A device for evaluating the torque strength of welds, characterized in that, The device includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, the computer program being configured to implement the steps of the method for evaluating weld torque strength as described in any one of claims 1 to 7.
10. A storage medium, characterized in that, The storage medium is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by a processor, it implements the method for evaluating weld torque strength as described in any one of claims 1 to 7.