Method for detecting supporting force value of elastic supporting device

Abstract

The invention provides a method for detecting the supporting force value of an elastic supporting device, and relates to the field of supporting device detection.The method comprises the steps that the elastic supporting device to be detected is installed on a tensile testing machine; according to the design theoretical standard supporting force value F1 of the elastic supporting device, the tensile testing machine is controlled to apply the pressure value F1 to the elastic supporting device, and the compression amount L1 of the elastic supporting device is obtained; the L1 is compared with the allowable compression amount L set when the theoretical standard supporting force value F1 is designed; according to the designed maximum compression amount S of the elastic supporting device, the tensile testing machine is controlled to apply pressure to the elastic supporting device until the compression amount of the elastic supporting device is S-a, and the value F3 of the pressure applied to the elastic supporting device is read; according to the method, whether the supporting force value of the elastic supporting device meets the design theory standard supporting force value requirement and the design maximum bearing requirement or not can be verified.

Description

Technical Field

[0001] The present invention belongs to the technical field of support device detection, and more specifically, relates to a method for detecting a support force value of an elastic support device. Background Art

[0002] In recent years, with the rapid development of downstream industries such as aerospace, automobile industry, and engineering machinery in my country, the requirements for the specifications and precision of CNC lathes have gradually increased. Large-scale, high-precision, and high-stability CNC lathes have attracted much attention. As one of the important components of a lathe, the lead screw moves smoothly, reduces friction and vibration, and has an important impact on the working efficiency and precision of the lathe.

[0003] For large-sized CNC lathes, the lead screw is correspondingly longer. When using a long lead screw, in order to prevent the lead screw from bending and deforming in the middle due to its own weight and affecting the accuracy of the machine tool, a lead screw-assisted elastic support device is generally used to support the middle part. Whether the actual working support force value of the elastic support device meets the design requirements will determine whether the elastic support device can effectively enhance the rigidity of the lead screw and improve the accuracy and stability of the machine tool. Therefore, it is of great significance to test the support force value of the lead screw-assisted elastic support device.

[0004] At present, there is no simple, highly universal and high-precision method for detecting the supporting force value of elastic supporting devices. It is not easy to detect elastic supporting devices of different specifications and models. Once the supporting force value of the elastic supporting device used does not meet the requirements, it will seriously affect the accuracy of the machine tool and pose a threat to the quality of the products produced. Summary of the invention

[0005] The purpose of the present invention is to provide a method for detecting the supporting force value of an elastic supporting device in view of the deficiencies in the existing technology, so as to solve the problem that the elastic supporting device for the screw proposed in the above background technology has no simple, highly universal and highly accurate method for detecting the supporting force value of the elastic supporting device. It is not easy to judge whether the supporting force value of the elastic supporting device in use meets the requirements. Once it does not meet the requirements during use, it will seriously affect the accuracy of the lathe.

[0006] In order to achieve the above object, the present invention provides a method for detecting the supporting force value of an elastic supporting device, using a tensile testing machine, the method comprising: Install the elastic support device to be tested on the tensile testing machine; According to the design theoretical standard support force value F1 of the elastic support device, the tensile testing machine is controlled to apply the pressure value F1 to the elastic support device to obtain the compression amount L1 of the elastic support device; Compare L1 with the allowable compression amount L set when designing the theoretical standard support force value F1. If the compression amount L1 of the elastic support device is less than or equal to L, the elastic support device meets the requirements, otherwise it does not meet the requirements. According to the designed maximum compression S of the elastic support device, control the tensile testing machine to apply pressure to the elastic support device until the compression of the elastic support device is Sa, and read the pressure value F3 applied to the elastic support device; Compare the allowable pressure values ​​F2 and F3 set when designing the maximum compression amount S. If F3 is greater than or equal to F2, the elastic support device meets the requirements, otherwise it does not meet the requirements.

[0007] Preferably, controlling the tensile testing machine to apply a pressure F1 to the elastic supporting device comprises: controlling the tensile testing machine to maintain 20 N / s or F1 / 60 N / s to apply a pressure to the elastic supporting device until the applied pressure reaches F1.

[0008] Preferably, after controlling the tensile testing machine to apply pressure F1 to the elastic supporting device, the method for detecting the supporting force value of the elastic supporting device further comprises: controlling the tensile testing machine to maintain the pressure F1 for 10.0S.

[0009] Preferably, controlling the tensile testing machine to apply pressure to the elastic supporting device comprises: controlling the tensile testing machine to apply pressure at a compression speed of the elastic supporting device of (20-40) mm / min.

[0010] Preferably, after the tensile testing machine is controlled to apply pressure to the elastic support device, the method for detecting the supporting force value of the elastic support device also includes: when the compression of the elastic support device reaches 1 mm, maintain it for 5.0S, and then intermittently compress it for a set number of times with a compression amount of 2.5 mm each time, and maintain it for 5.0S after each compression, until the compression reaches Sa.

[0011] Preferably, after the elastic support device to be tested is installed on the base of the tensile testing machine, the method for testing the supporting force value of the elastic support device further comprises: controlling the pressure head of the tensile testing machine to descend to a position close to the supporting part of the elastic support device.

[0012] Preferably, after controlling the pressure head of the tensile testing machine to descend to a position close to the support part of the elastic support device, the method for detecting the supporting force value of the elastic support device also includes controlling the pressure head of the tensile testing machine to contact the support part of the elastic support device with a pressure of 0~5N.

[0013] Preferably, according to the design theoretical standard support force value F1 of the elastic support device, controlling the tensile testing machine to apply pressure F1 to the elastic support device, and obtaining the compression amount L1 of the elastic support device includes: when controlling the tensile testing machine to apply pressure to the elastic support device, recording the force value change data and the displacement change data, and obtaining a force value displacement curve graph.

[0014] Preferably, according to the designed maximum compression S of the elastic support device, the tensile testing machine is controlled to apply pressure to the elastic support device until the compression of the elastic support device is Sa, including: a is 1 mm, when the tensile testing machine is controlled to apply pressure to the elastic support device, the force value change data and the displacement change data are recorded to obtain a force value displacement curve graph.

[0015] Preferably, the tensile testing machine comprises: frame; A stretching drive member, the stretching drive member is arranged on the top of the frame; An upper pressing tool, the upper pressing tool being connected to a pressing head of the stretching driving member; A pressing tool is provided on the base of the frame, and the elastic supporting device is connected to the pressing tool.

[0016] The present invention provides a method for detecting the supporting force value of an elastic supporting device, and the beneficial effect thereof lies in that: the method uses a tensile testing machine to apply axial pressure to the elastic supporting device to be detected, simulating the force of a lead screw on the device when a machine tool is working, and setting an applied pressure F1 on the tensile testing machine according to the design theoretical standard supporting force value F1 of the elastic supporting device, applying pressure to the elastic supporting device through the tensile testing machine, obtaining a compression amount L1 of the elastic supporting device, comparing L1 with an allowable compression amount L set when the design theoretical standard supporting force value F1 is set, and judging whether the elastic supporting device meets the requirements; then, according to the design maximum compression amount S of the elastic supporting device, applying pressure to the elastic supporting device through the tensile testing machine until the compression amount of the elastic supporting device is Sa, reading a pressure value F3 applied to the elastic supporting device, comparing allowable pressure values ​​F2 and F3 set when the design maximum compression amount S is set, and judging whether the elastic supporting device meets the requirements.

[0017] This method can verify whether the supporting force value of this elastic support device meets the design theoretical standard supporting force value requirements and the design maximum load-bearing requirements. This method can be used to detect the supporting force value of the same and similar CNC lathe screw auxiliary elastic support devices to ensure that the elastic support device used can effectively enhance the rigidity of the screw and improve the accuracy and stability of the lathe. This method is simple to detect, improves work efficiency, and has high versatility and detection accuracy.

[0018] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein like reference numerals generally represent like components throughout the exemplary embodiments of the present invention.

[0020] Figure 1 A flow chart of a method for detecting a supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0021] Figure 2 A structural schematic diagram of a tensile testing machine used in a method for detecting a supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0022] Figure 3 A schematic structural diagram of an upper pressing fixture of a tensile testing machine used in a method for detecting a supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0023] Figure 4 A structural schematic diagram of a pressing fixture of a tensile testing machine used in a method for detecting a supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0024] Figure 5 The interface diagram of adding a program in the detection scheme 1 of a method for detecting the supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0025] Figure 6 The interface diagram of adding a program in detection scheme 2 of a method for detecting a supporting force value of an elastic supporting device according to an embodiment of the present invention is shown.

[0026] Description of reference numerals: 1. Frame; 2. Tensile drive component; 3. Upper pressing tooling; 4. Lower pressing tooling; 5. Elastic supporting device. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0028] like Figure 1 As shown, the present invention provides a method for detecting the supporting force value of an elastic supporting device, using a tensile testing machine, the method comprising: Install the elastic support device 5 to be tested on the tensile testing machine; According to the design theoretical standard support force value F1 of the elastic support device 5, the tensile testing machine is controlled to apply the pressure value F1 to the elastic support device 5 to obtain the compression amount L1 of the elastic support device 5; Compare L1 with the allowable compression amount L set when designing the theoretical standard support force value F1. If the compression amount L1 of the elastic support device 5 is less than or equal to L, the elastic support device 5 meets the requirements, otherwise it does not meet the requirements. According to the designed maximum compression amount S of the elastic support device 5, the tensile testing machine is controlled to apply pressure to the elastic support device 5 until the compression amount of the elastic support device 5 is Sa, and the pressure value F3 applied to the elastic support device 5 is read; Compare the allowable pressure values ​​F2 and F3 set when designing the maximum compression amount S. If F3 is greater than or equal to F2, the elastic support device 5 meets the requirements, otherwise it does not meet the requirements.

[0029] Specifically, in order to solve the problem of the elastic support device for the screw, there is currently no simple, highly universal and highly accurate method for detecting the supporting force value of the elastic support device, and it is not easy to judge whether the supporting force value of the elastic support device in use meets the requirements. Once it does not meet the requirements during use, it will seriously affect the accuracy of the lathe. The present invention provides a method for detecting the supporting force value of the elastic support device, in which a is 1mm, and the method uses a tensile testing machine to apply axial pressure to the elastic support device 5 to be tested, simulating the force of the screw on the device when the machine tool is working, and according to the design theoretical standard supporting force value F1 of the elastic support device 5, in the tensile test, The testing machine is set to apply pressure F1, and pressure is applied to the elastic support device 5 through the tensile testing machine to obtain the compression L1 of the elastic support device 5. L1 is compared with the allowable compression L set when the theoretical standard support force value F1 is designed to determine whether the elastic support device 5 meets the requirements; then according to the designed maximum compression S of the elastic support device 5, pressure is applied to the elastic support device 5 through the tensile testing machine until the compression of the elastic support device 5 is S-1, and the pressure value F3 applied to the elastic support device 5 is read. The allowable pressure values ​​F2 and F3 set when the maximum compression S is designed are compared to determine whether the elastic support device 5 meets the requirements.

[0030] This method can verify whether the supporting force value of the elastic support device 5 meets the design theoretical standard supporting force value requirements and the design maximum load-bearing requirements. By applying this method, the supporting force value of the same and similar CNC lathe screw auxiliary elastic support device 5 can be tested to ensure that the elastic support device 5 used can effectively enhance the rigidity of the screw and improve the accuracy and stability of the lathe. This method is simple to detect, improves work efficiency, and has high versatility and detection accuracy.

[0031] Preferably, controlling the tensile testing machine to apply a pressure F1 to the elastic supporting device 5 includes: controlling the tensile testing machine to maintain 20 N / s or F1 / 60 N / s to apply a pressure to the elastic supporting device 5 until the applied pressure reaches F1.

[0032] Specifically, in the process of controlling the tensile testing machine to apply a pressure value F1 to the elastic support device 5, a program is added in the program control setting of the tensile testing machine, the initial control mode is force control, the detection speed is 20N / s or F1 / 60N / s, the final control mode is force control, and the end point value is the theoretical standard support force value F1.

[0033] Preferably, after controlling the tensile testing machine to apply pressure F1 to the elastic supporting device 5 , the method for detecting the supporting force value of the elastic supporting device further comprises: controlling the tensile testing machine to maintain the pressure F1 for 10.0S.

[0034] Specifically, in the process of controlling the tensile testing machine to apply the pressure value F1 to the elastic support device 5, a program is added in the program control setting of the tensile testing machine, and the initial control mode is force holding, and the holding time is T1, which is recommended to be 10.0s.

[0035] Preferably, controlling the tensile testing machine to apply pressure to the elastic supporting device 5 includes: controlling the tensile testing machine to apply pressure at a compression speed of the elastic supporting device of (20-40) mm / min.

[0036] Specifically, in the process of controlling the tensile testing machine to apply pressure to the elastic support device 5, a program is added to the program control setting of the tensile testing machine, the initial control mode is displacement control, the test speed is (20~40) mm / min, the final control mode is displacement control, and the end point value is S~1mm.

[0037] Preferably, after controlling the tensile testing machine to apply pressure to the elastic support device 5, the method for detecting the supporting force value of the elastic support device also includes: when the compression of the elastic support device 5 reaches 1 mm, maintain it for 5.0S, and then intermittently compress it for a set number of times with a compression amount of 2.5 mm each time, and maintain it for 5.0S after each compression, until the compression reaches Sa.

[0038] Specifically, in the process of controlling the tensile testing machine to apply pressure to the elastic support device 5, a program is added in the program control setting of the tensile testing machine, the initial control mode is force holding, the holding time T2 is recommended to be 5.0s, and the program is added repeatedly. In each cycle, the end point value increases by (2~5) mm until the target compression amount S-1mm is reached.

[0039] Preferably, after the elastic support device to be tested is installed on the tensile testing machine, the method for testing the supporting force value of the elastic support device further comprises: controlling the pressure head of the tensile testing machine to descend to a position close to the supporting portion of the elastic support device 5 .

[0040] Specifically, before the test, operate the remote control to lower the pressure head of the tensile testing machine to the vicinity of the upper end surface of the elastic support device 5, and remember not to touch the upper end surface.

[0041] Preferably, after controlling the pressure head of the tensile testing machine to descend to a position close to the support part of the elastic support device 5, the method for detecting the supporting force value of the elastic support device also includes controlling the pressure head of the tensile testing machine to contact the support part of the elastic support device 5 with a pressure of 0-5N.

[0042] Specifically, use the software fine-tuning button of the tensile testing machine to make fine adjustments until the force value in the "force" display window is within the range of 0~5N. At this time, the software clears the force, displacement, and peak force.

[0043] Preferably, according to the design theoretical standard support force value F1 of the elastic support device 5, the tensile testing machine is controlled to apply pressure F1 to the elastic support device 5, and obtaining the compression amount L1 of the elastic support device 5 includes: when controlling the tensile testing machine to apply pressure to the elastic support device 5, the force value change data and the displacement change data are recorded to obtain a force value displacement curve graph.

[0044] Preferably, according to the designed maximum compression S of the elastic support device 5, the tensile testing machine is controlled to apply pressure to the elastic support device 5 until the compression of the elastic support device 5 is Sa, including: when controlling the tensile testing machine to apply pressure to the elastic support device 5, the force value change data and the displacement change data are recorded to obtain a force value displacement curve graph.

[0045] Specifically, according to the force-displacement curve diagram of the experimental results, it is determined whether the supporting force value of the screw-assisted elastic supporting device 5 meets the requirements.

[0046] like Figure 2-Figure 4 As shown, preferably, the tensile testing machine comprises: Frame 1; A stretching driving member 2, wherein the stretching driving member 2 is arranged on the top of the frame 1; An upper pressing tool 3, the upper pressing tool 3 is connected to the pressing head of the stretching driving member; The pressing tool 4 is arranged on the base of the frame 1 , and the elastic supporting device 5 is connected to the pressing tool 4 . Example

[0047] Step 1: Figure 2 As shown, the screw auxiliary elastic support device 5 is installed at the position to be tested on the tensile testing machine, and step 1 is specifically as follows: Step 1.1: Install the upper pressing tool 3 on the pressure head of the tensile testing machine, adjust the upper pressing tool 3 to a safe position, and install the lower pressing tool 4 on the base of the tensile testing machine; Step 1.2: Install the screw-assisted elastic support device 5 on the pressing fixture 4. The bolts at the bottom of the elastic support device 5 must be completely inserted into the corresponding holes of the pressing fixture 4 to ensure that the elastic support device 5 is coaxial with the base. Step 2: Edit the detection scheme; Step 2.1: Figure 5 As shown, according to the design theoretical standard support force value F1, edit the test plan 1. In the program control setting, ① add a program, the initial control mode is force control, the detection speed is 20N / s or F1 / 60N / s, the final control mode is force control, and the end value is the theoretical standard support force value F1. ② Add a program, the initial control mode is force holding, the holding time is T1, and 10.0s is recommended. Save the test plan 1; Step 2.2: If Figure 6 As shown, according to the designed maximum compression S of the elastic support device 5, edit the test plan 2. In the program control setting, ① add a program, the initial control mode is displacement control, the test speed is (20~40) mm / min, the final control mode is displacement control, and the end value is 1mm. ② Add a program, the initial control mode is force holding, and the holding time T2 is recommended to be 5.0s. Repeat the addition of ①~② programs in a cycle. In each cycle, the end value of program ① increases by (2~5) mm until the target compression S-1mm is reached, and the test plan 2 is saved; Step 3: operate the tensile testing machine, place the upper pressing tool 3 of the tensile testing machine against the top of the screw auxiliary elastic support device 5, and perform the test. Step 3 is specifically as follows: Step 3.1: Use the remote control to lower the pressure head of the tensile testing machine to the vicinity of the upper end surface of the elastic support device 5, and be sure not to touch the upper end surface of the elastic support device 5; Step 3.2: Use the fine-tuning button on the right side of the software page to make fine adjustments until the force value in the "Force" display window is within the range of 0~5N. At this time, clear the force, displacement, and peak force in the software; Step 3.3: Select the above-mentioned saved test schemes, perform tests respectively, and record the corresponding force value data and displacement data to obtain the corresponding test result curve; Step 4: According to the force displacement curve of the experimental result, determine whether the support force value of the screw auxiliary elastic support device 5 meets the requirements. Step 4 is specifically as follows: Step 4.1: In detection scheme 1, if the elastic support device 5 has not been compressed or the compression amount L1 is less than or equal to the allowable compression amount L, then the elastic support device 5 meets the requirements; if the elastic support device 5 has been significantly compressed and the compression amount L2 is greater than the allowable compression amount L, then the elastic support device 5 does not meet the requirements.

[0048] Step 4.2: In test scheme 2, the force F3 applied to the elastic support device 5 when the designed maximum compression amount S-1mm is completed, if F3 is greater than or equal to the designed allowable pressure value F2 at the maximum compression amount, the elastic support device 5 meets the requirements; if F3 is less than F2, the elastic support device 5 does not meet the requirements.

[0049] In summary, when the method for detecting the supporting force value of an elastic supporting device of the present invention is implemented, a design theoretical standard supporting force value F1 is set for an elastic supporting device 5 of a certain specification and model, and pressure is applied to the elastic supporting device 5 through a tensile testing machine, the applied pressure value is F1, and the continuous pressure is maintained for time T1. If the elastic supporting device 5 is not compressed or the compression amount L1 is less than or equal to the allowable compression amount L, then the elastic supporting device 5 meets the requirements; if the elastic supporting device 5 is significantly compressed and the compression amount L2 is greater than the allowable compression amount L, then the elastic supporting device 5 does not meet the requirements.

[0050] The design maximum compression S is set for the elastic support device 5 under this specification and model, and the design pressure value at the maximum compression is F2. Pressure is applied to the elastic support device 5 by a tensile testing machine until the elastic support device 5 completes the compression of S-1mm, and the pressure force F3 applied to the elastic support device 5 at this time is read. If F3 is greater than or equal to F2, the elastic support device 5 meets the requirements; if F3 is less than F2, the elastic support device 5 does not meet the requirements.

[0051] This method can verify whether the supporting force value of the elastic support device 5 meets the design theoretical standard supporting force value requirements and the design maximum load-bearing requirements. By applying this method, the supporting force value of the same and similar CNC lathe screw auxiliary elastic support device 5 can be tested to ensure that the elastic support device 5 used can effectively enhance the rigidity of the screw and improve the accuracy and stability of the lathe. This method is simple to detect, improves work efficiency, and has high versatility and detection accuracy.

[0052] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A method for detecting the supporting force value of an elastic supporting device, using a tensile testing machine, characterized in that: The method includes: Install the elastic support device to be tested on the tensile testing machine; According to the design theoretical standard support force value F1 of the elastic support device, the tensile testing machine is controlled to apply the pressure value F1 to the elastic support device to obtain the compression amount L1 of the elastic support device; Compare L1 with the allowable compression amount L set when designing the theoretical standard support force value F1. If the compression amount L1 of the elastic support device is less than or equal to L, the elastic support device meets the requirements, otherwise it does not meet the requirements. According to the designed maximum compression S of the elastic support device, control the tensile testing machine to apply pressure to the elastic support device until the compression of the elastic support device is Sa, and read the pressure value F3 applied to the elastic support device; Compare the allowable pressure values ​​F2 and F3 set when designing the maximum compression amount S. If F3 is greater than or equal to F2, the elastic support device meets the requirements, otherwise it does not meet the requirements.

2. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: The controlling the tensile testing machine to apply a pressure F1 to the elastic supporting device comprises: controlling the tensile testing machine to maintain 20 N / s or F1 / 60 N / s in applying a pressure to the elastic supporting device until the applied pressure reaches F1.

3. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: After controlling the tensile testing machine to apply pressure F1 to the elastic supporting device, the method for detecting the supporting force value of the elastic supporting device further comprises: controlling the tensile testing machine to maintain the pressure F1 for 10.0S.

4. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: Controlling the tensile testing machine to apply pressure to the elastic support device includes: controlling the tensile testing machine to apply pressure at a compression speed of the elastic support device (20-40) mm / min.

5. A method for detecting the supporting force value of an elastic supporting device according to claim 4, characterized in that: After the tensile testing machine is controlled to apply pressure to the elastic support device, the method for detecting the supporting force value of the elastic support device also includes: when the compression of the elastic support device reaches 1 mm, maintain it for 5.0S, and then intermittently compress it for a set number of times with a compression amount of 2.5 mm each time, and maintain it for 5.0S after each compression until the compression reaches Sa.

6. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: After the elastic support device to be tested is installed on the base of the tensile testing machine, the method for testing the supporting force value of the elastic support device further includes: controlling the pressure head of the tensile testing machine to descend to a position close to the supporting part of the elastic support device.

7. A method for detecting the supporting force value of an elastic supporting device according to claim 6, characterized in that: After the pressure head of the tensile testing machine is controlled to descend to a position close to the support part of the elastic support device, the method for detecting the support force value of the elastic support device also includes controlling the pressure head of the tensile testing machine to contact the support part of the elastic support device with a pressure of 0-5N.

8. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: According to the design theoretical standard support force value F1 of the elastic support device, controlling the tensile testing machine to apply pressure F1 to the elastic support device to obtain the compression amount L1 of the elastic support device includes: when controlling the tensile testing machine to apply pressure to the elastic support device, recording the force value change data and the displacement change data to obtain a force value displacement curve graph.

9. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: According to the designed maximum compression S of the elastic support device, the tensile testing machine is controlled to apply pressure to the elastic support device until the compression of the elastic support device is Sa, including: a is 1mm, when the tensile testing machine is controlled to apply pressure to the elastic support device, the force value change data and the displacement change data are recorded to obtain a force value displacement curve graph.

10. A method for detecting the supporting force value of an elastic supporting device according to claim 1, characterized in that: The tensile testing machine comprises: frame; A stretching drive member, the stretching drive member is arranged on the top of the frame; An upper pressing tool, the upper pressing tool being connected to a pressing head of the stretching driving member; A pressing tool is provided on the base of the frame, and the elastic supporting device is connected to the pressing tool.

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