A wire-oriented elastic test device, test system and use method

Abstract

The present application relates to the technical field of power transmission conductor testing, and in particular to a conductor-oriented elastic testing device, a testing system and a use method. The conductor-oriented elastic testing device comprises at least two groups of elastic testing components arranged at intervals, including a first elastic testing component and a second elastic testing component. The first elastic testing component comprises a first rotating disc, and the second elastic testing component comprises a second rotating disc. The first rotating disc and the second rotating disc are adapted to pass through the same power transmission conductor respectively, and the power transmission conductor is rotationally connected with the first rotating disc and the second rotating disc respectively. The first rotating disc and / or the second rotating disc is driven to perform planar motion and / or torsional motion. The present application provides a conductor-oriented elastic testing device, a testing system and a use method, so as to solve the problem that the torsional freedom of the conductor in the testing device is often simplified or ignored, and it is difficult to comprehensively reflect the real working conditions.

Description

Technical Field

[0001] This invention relates to the field of power transmission line testing technology, specifically to an elasticity testing device, testing system, and method of use for power transmission lines. Background Technology

[0002] Overhead transmission lines are exposed to complex and variable natural wind environments for extended periods. Under wind influence, they are prone to various wind-induced vibration phenomena, such as icing galloping, secondary span oscillations, and micro-wind vibrations. These are essentially typical fluid-structure interaction vibration problems with complex mechanisms, numerous influencing factors, and significant nonlinear characteristics. These wind-induced vibrations can not only cause conductor fatigue damage, hardware loosening, and even breakage, but also threaten the operational safety and power supply reliability of the lines. Therefore, in-depth research into the wind-induced vibration mechanism of transmission lines is of significant engineering importance for wind-resistant design and operation and maintenance. Wind tunnel testing, as an effective means of studying wind-induced vibration problems, can systematically analyze the relationship between wind field parameters and structural response under controllable conditions. However, phenomena such as icing galloping are caused by the coupling and mutual influence of conductor vibration and aerodynamic forces. Traditional rigid model testing methods cannot accurately reflect the aerodynamic changes and dynamic response laws of the conductor during vibration. Therefore, the aeroelastic segmental model is adopted to simulate the dynamic characteristics of the conductor in a wind tunnel according to the similarity criterion. This model can realistically reproduce the nonlinear vibration behavior of the conductor under wind action and has become an important technical approach for studying the mechanism of wind-induced vibration of conductors.

[0003] Existing aeroelastic segmental model testing devices mostly simulate the stiffness characteristics of conductors in the horizontal and vertical directions by setting transverse and vertical springs at both ends of the model or in the supporting structure, thereby realizing the vibration response of the conductor in the translational direction. However, in actual transmission lines, the torsional vibration and translational vibration of the conductor are often coupled, especially under icing conditions, where torsional characteristics have a significant impact on the occurrence and development of galloping. In existing testing devices, the torsional degree of freedom of the conductor is often simplified or ignored, making it difficult to fully reflect real operating conditions. Summary of the Invention

[0004] This invention provides an elasticity testing device, testing system, and method for conductors, to address the problem that the torsional degree of freedom of conductors is often simplified or ignored in testing devices, making it difficult to fully reflect real working conditions.

[0005] In a first aspect, the present invention provides an elasticity testing apparatus for a conductor, comprising:

[0006] At least two sets of elastic test components are arranged at intervals, including a first elastic test component and a second elastic test component;

[0007] The first elasticity test assembly includes a first turntable;

[0008] The second elasticity test assembly includes a second turntable, and the first turntable and the second turntable are respectively adapted to pass through the same power transmission line. The power transmission line is rotatably connected to the first turntable and the second turntable, respectively, and the first turntable and / or the second turntable are driven to perform planar motion and / or torsional motion.

[0009] By driving the first turntable and / or the second turntable to perform planar motion and / or torsional motion, the transmission line can be subjected to planar motion or torsional motion alone, or to "planar motion + torsional motion", ensuring the torsion of the transmission line to fully reflect the real working conditions.

[0010] In one alternative embodiment, the first elastic test assembly includes a first translational spring group, which includes at least two translational springs. The included angle between adjacent translational springs is greater than or equal to 90°. One end of each translational spring is connected to the first turntable, and the other end is adapted to be connected to a fixed base.

[0011] In one optional embodiment, the first translational spring assembly further includes a first translational spring, a second translational spring, a third translational spring, and a fourth translational spring, wherein the first translational spring and the second translational spring form an angle of 90°, the second translational spring and the third translational spring form an angle of 90°, the third translational spring and the fourth translational spring form an angle of 90°, and the fourth translational spring and the first translational spring form an angle of 90°.

[0012] In one alternative embodiment, the first elasticity test assembly further includes a first torsion spring assembly, which includes at least one torsion spring disposed on one side of the first turntable.

[0013] In one optional embodiment, the first torsion spring assembly includes a first torsion spring, a second torsion spring, a third torsion spring, and a fourth torsion spring. The first torsion spring is set at a 45° angle to the first translational spring, the second torsion spring is set at a 45° angle to the second translational spring, the third torsion spring is set at a 45° angle to the third translational spring, and the fourth torsion spring is set at a 45° angle to the fourth translational spring.

[0014] In one optional embodiment, the first elastic test assembly further includes a first bearing, wherein the first bearing is provided between the first turntable and the power transmission line, and the inner sidewall of the first bearing is fitted to the outer peripheral surface of the power transmission line.

[0015] In one alternative embodiment, the first inner ring of the first bearing extends outward toward the first surface of the first turntable and has a first fixing part. The first fixing part is provided with at least three fixing holes in the circumferential direction, and a fixing member is inserted into the fixing hole to fix the power transmission wire.

[0016] In one optional embodiment, the first elastic test assembly further includes a first rotating disk, which is disposed on the side of the first surface opposite to the first rotating disk. The first rotating disk is sleeved on the outer periphery of the power transmission conductor, and at least one torsion plate is provided on the outer periphery of the first rotating disk, with each torsion plate corresponding to one torsion spring.

[0017] Secondly, the present invention also provides a testing system, including the above-described elasticity testing device for a conductor.

[0018] Thirdly, the present invention also provides a method of using an elasticity testing device for a conductor, wherein a first turntable and / or a second turntable are driven to perform planar and torsional movements to simulate the shaking and torsion experienced by a transmission conductor in an air environment. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the elasticity testing device for a conductor according to an embodiment of the present invention, viewed from a second surface.

[0021] Figure 2 This is a schematic diagram of the elasticity testing device for a conductor according to an embodiment of the present invention, viewed from a first surface.

[0022] Figure 3 This is a schematic diagram of the first turntable in an embodiment of the present invention viewed from a second surface.

[0023] Figure 4 This is a schematic diagram of the first turntable from the perspective of the first surface in an embodiment of the present invention;

[0024] Figure 5 This is a top view of the first turntable according to an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the first bearing according to an embodiment of the present invention;

[0026] Figure 7 This is a top view of the first bearing according to an embodiment of the present invention;

[0027] Figure 8 This is a front view of the first rotating disk according to an embodiment of the present invention;

[0028] Figure 9 This is a top view of the first rotating disk according to an embodiment of the present invention.

[0029] Explanation of reference numerals in the attached drawings: 1. First turntable; 101. First through hole; 102. Connecting hole; 103. Fixing plate assembly; 1031. First fixing plate; 1032. Second fixing plate; 104. First surface; 105. Second surface; 2. First translational spring assembly; 201. First translational spring; 202. Second translational spring; 203. Third translational spring; 204. Fourth translational spring; 3. Fixing seat; 4. First bearing; 401. First inner ring; 402. First fixing part; 403. Fixing component; 5. First torsion spring assembly; 501. First torsion spring; 502. Second torsion spring; 503. Third torsion spring; 504. Fourth torsion spring; 6. First rotating disk; 601. Rotating disk body; 602. Torsion plate. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] The following is combined Figures 1 to 9 The following describes embodiments of the present invention.

[0032] According to an embodiment of the present invention, in one aspect, an elasticity testing device for a conductor is provided, comprising: at least two sets of elasticity testing components spaced apart, including a first elasticity testing component and a second elasticity testing component; the first elasticity testing component includes a first turntable 1; the second elasticity testing component includes a second turntable, the first turntable 1 and the second turntable being adapted to pass through the same power transmission conductor, the power transmission conductor being rotatably connected to the first turntable 1 and the second turntable respectively, and the first turntable 1 and / or the second turntable being driven to perform planar motion and / or torsional motion.

[0033] By driving the first turntable 1 and / or the second turntable to perform planar motion and / or torsional motion, the transmission line can be subjected to planar motion or torsional motion alone, or to "planar motion + torsional motion", ensuring the torsion of the transmission line to comprehensively reflect the real working conditions. It should be noted that the first elasticity test component and the second elasticity test component in this embodiment have the same structure.

[0034] In one embodiment, such as Figure 1 , Figure 2 As shown, the first elastic test assembly includes a first translational spring group 2, which comprises at least two translational springs. The included angle between adjacent translational springs is greater than or equal to 90°. One end of each translational spring is connected to the first turntable 1, and the other end is adapted to be connected to the fixed base 3. The first turntable 1 is supported by the included angle of at least two translational springs greater than or equal to 90°.

[0035] In one embodiment, such as Figure 1 , Figure 2 As shown, the first translational spring assembly 2 further includes a first translational spring 201 (vertically positioned), a second translational spring 202 (horizontally positioned), a third translational spring 203 (vertically positioned), and a fourth translational spring 204 (horizontally positioned). The first translational spring 201 and the second translational spring 202 form a 90° angle, the second translational spring 202 and the third translational spring 203 form a 90° angle, the third translational spring 203 and the fourth translational spring 204 form a 90° angle, and the fourth translational spring 204 and the first translational spring 201 form a 90° angle. In this embodiment, as... Figure 1 As shown, the first translational spring 201 is located below the first turntable 1, the second translational spring 202 is located to the right of the first turntable 1, the third translational spring 203 is located above the first turntable 1, and the fourth translational spring 204 is located to the left of the first turntable 1. The included angle between adjacent translational springs is 90°. Figure 3 As shown, the first turntable 1 is provided with four connecting holes 102 of equal arc. One end of the translational spring extends into the connecting hole 102 to connect the translational spring to the turntable. By setting the first translational spring 201, the second translational spring 202, the third translational spring 203 and the fourth translational spring 204, the planar movement of the transmission line in the direction perpendicular to the transmission line is realized.

[0036] In this embodiment, the second elastic test assembly further includes a second translational spring group, which includes a fifth, a sixth, a seventh, and an eighth translational spring. The fifth and sixth translational springs form a 90° angle, the sixth and seventh translational springs form a 90° angle, the seventh and eighth translational springs form a 90° angle, and the eighth translational spring forms a 90° angle with the fifth translational spring. In this embodiment, as... Figure 1 As shown, the fifth translational spring is located below the second turntable, the sixth translational spring is located to the right of the second turntable, the seventh translational spring is located above the second turntable, and the eighth translational spring is located to the left of the second turntable. The included angle between adjacent translational springs is 90°. Figure 3 As shown, the second turntable has four connecting holes 102 with equal arcs. One end of the translational spring extends into the connecting hole 102 to connect the translational spring to the turntable. By setting the fifth, sixth, seventh, and eighth translational springs, the planar movement of the transmission line in the direction perpendicular to the transmission line is realized. The first translational spring group 2 and the second translational spring group work together to realize the swaying of the transmission line in space, so as to simulate the swaying condition of the transmission line in the real environment.

[0037] In one embodiment, such as Figure 2 , Figure 4 As shown, the first elasticity test assembly also includes a first torsion spring group 5, which includes at least one torsion spring disposed on one side of the first turntable 1. In this embodiment, the torsion spring is disposed on one side of the first surface 104 of the first turntable 1.

[0038] In this embodiment, as Figure 2 , Figure 4 and Figure 5 As shown, four sets of fixing plates 103 are provided on the first surface 104 of the first turntable 1. Each set of fixing plates 103 corresponds to a connecting hole 102. Each set of fixing plates 103 includes a first fixing plate 1031 and a second fixing plate 1032, and the first fixing plate 1031 and the second fixing plate 1032 are set at 90°.

[0039] In one embodiment, such as Figure 2 , Figure 4As shown, the first torsion spring group 5 includes a first torsion spring 501, a second torsion spring 502, a third torsion spring 503, and a fourth torsion spring 504. The first torsion spring 501 is set at a 45° angle with the first translational spring 201, the second torsion spring 502 is set at a 45° angle with the second translational spring 202, the third torsion spring 503 is set at a 45° angle with the third translational spring 203, and the fourth torsion spring 504 is set at a 45° angle with the fourth translational spring 204.

[0040] In this embodiment, as Figure 2 , Figure 4 As shown, one end of the first torsion spring 501 is connected to the first fixing plate 1031 of a set of fixing plate groups 103 (connecting hole 102 corresponding to the first translational spring 201), and the other end is connected to the second fixing plate 1032 of another set of fixing plate groups 103 (connecting hole 102 corresponding to the second translational spring 202), such that the angle between the first torsion spring 501 and the first translational spring 201 (or the second translational spring 202) is set at 45°; one end of the second torsion spring 502 is connected to the first fixing plate 1031 of a set of fixing plate groups 103 (connecting hole 102 corresponding to the second translational spring 202), and the other end is connected to the second fixing plate 1032 of another set of fixing plate groups 103 (connecting hole 102 corresponding to the third translational spring 203), such that the angle between the second torsion spring 502 and the second translational spring 202 (or the third translational spring 203) is set at 45°; one end of the third torsion spring 503 is connected to a set of fixing plate groups 1031. 3. The first fixing plate 1031 of the third translational spring 203 (connecting hole 102) is connected to the other end of the first fixing plate 1032 of another fixing plate group 103 (connecting hole 102 of the fourth translational spring 204), so that the angle between the third torsion spring 503 and the third translational spring 203 (or the fourth translational spring 204) is set at 45°; one end of the fourth torsion spring 504 is connected to the first fixing plate 1031 of a fixing plate group 103 (connecting hole 102 of the fourth translational spring 204), and the other end is connected to the second fixing plate 1032 of another fixing plate group 103 (connecting hole 102 of the first translational spring 201), so that the angle between the fourth torsion spring 504 and the fourth translational spring 204 (or the first translational spring 201) is set at 45°. By setting the first torsion spring group 5, the first turntable 1 will not only be shaken within the spatial range, but will also be torsioned by the torsion spring. It should be noted that the size of the torsion spring in this embodiment is related to the size and weight of the transmission line and the target vibration frequency. Different sizes of transmission lines correspond to different sizes of torsion springs.

[0041] In this embodiment, four sets of fixing plate groups 103 are provided on the first surface 104 of the second turntable. Each set of fixing plate groups 103 corresponds to one connecting hole 102. Each set of fixing plate groups 103 includes a first fixing plate 1031 and a second fixing plate 1032, and the first fixing plate 1031 and the second fixing plate 1032 are set at 90°. In this embodiment, the second elasticity test assembly also includes a second torsion spring group 502, which includes a fifth torsion spring, a sixth torsion spring, a seventh torsion spring, and an eighth torsion spring. The fifth torsion spring and the fifth translational spring are set at an angle of 45°, the sixth torsion spring and the sixth translational spring are set at an angle of 45°, the seventh torsion spring and the seventh translational spring are set at an angle of 45°, and the eighth torsion spring and the eighth translational spring are set at an angle of 45°.

[0042] In this embodiment, one end of the fifth torsion spring is connected to the first fixing plate 1031 of a set of fixing plate groups 103 (connecting hole 102 corresponding to the fifth translational spring), and the other end is connected to the second fixing plate 1032 of another set of fixing plate groups 103 (connecting hole 102 corresponding to the sixth translational spring), such that the angle between the fifth torsion spring and the fifth translational spring (or the sixth translational spring) is 45°; one end of the sixth torsion spring is connected to the first fixing plate 1031 of a set of fixing plate groups 103 (connecting hole 102 corresponding to the sixth translational spring), and the other end is connected to the second fixing plate 1032 of another set of fixing plate groups 103 (connecting hole 102 corresponding to the seventh translational spring), such that the angle between the sixth torsion spring and the sixth translational spring (or the third translational spring 203) is 45°. The angle between the seventh torsion spring and the seventh translational spring (or the eighth translational spring) is set at 45°. One end of the seventh torsion spring is connected to the first fixing plate 1031 of a set of fixing plate groups 103 (connecting hole 102 corresponding to the seventh translational spring), and the other end is connected to the second fixing plate 1032 of another set of fixing plate groups 103 (connecting hole 102 corresponding to the fifth translational spring).

[0043] In one embodiment, such as Figure 1 , Figure 6 and Figure 7As shown, the first elastic test assembly also includes a first bearing 4. The first bearing 4 is provided between the first turntable 1 and the transmission line, and the inner sidewall of the first bearing 4 is fitted to the outer circumferential surface of the transmission line. The first bearing 4 is mainly used to fix the transmission line model, while providing free torsion conditions for the transmission line. In addition, the first bearing 4 is smooth and has low torsional resistance, which can reduce the damping in the torsional direction.

[0044] In one embodiment, such as Figure 1 , Figure 6 and Figure 7 As shown, the first inner ring 401 of the first bearing 4 extends outward from the first surface 104 of the first turntable 1, and a first fixing part 402 extends outward. The circumferential direction of the first fixing part 402 is as follows: Figure 7 The conductor (in the Y direction) has at least three fixing holes, and a fixing member 403 is inserted into each fixing hole to fix the power transmission conductor. Specifically, the fixing member 403 is a set screw. In this embodiment, as shown... Figure 7 As shown, the axial direction of the first fixing part 402 ( Figure 7 The number of fixing holes (in the X direction) is two spaced apart, meaning the first fixing part 402 has at least six fixing holes. In this embodiment, the first fixing part 402 and the fixing plate assembly 103 are arranged on the same side of the first turntable 1. It should be noted that, as Figure 2 , Figure 5 As shown, in this embodiment, the torsion spring along Figure 5 The diameter in the X direction is greater than the length of the fixed plate. Figure 5 (in the X direction), the first fixing part 402 along Figure 5 The length in the X direction is greater than or equal to (preferably equal to) the length of the first fixing part 402 along the X direction. Figure 5 The length of the extension in the X direction.

[0045] In this embodiment, the second elasticity test assembly further includes a second bearing. The second bearing is disposed between the second turntable and the power transmission line, and the inner wall of the second bearing is fitted against the outer circumferential surface of the power transmission line. In this embodiment, the second inner ring of the second bearing extends out of the second fixing part in a direction away from the first surface 104 of the second turntable. The fixing part has fixing holes arranged in the same manner as the first fixing part 402, and each fixing hole contains a fixing member 403.

[0046] In one embodiment, such as Figure 2 , Figure 8 and Figure 9As shown, the first elasticity test assembly also includes a first rotating disk 6, which is disposed on the side of the first surface 104 opposite to the first turntable 1. The first rotating disk 6 is sleeved on the outer periphery of the power transmission conductor (the inner diameter of the first rotating disk 6 is equal to the inner diameter of the inner ring of the first bearing 4). At least one torsion plate 602 is provided on the outer peripheral surface of the first rotating disk 6, and one torsion plate 602 corresponds to one torsion spring. In this embodiment, the first fixing part 402 is located between the first rotating disk 6 and the first turntable 1. By twisting the torsion plate 602, the torsion spring is driven to apply a rotational torque to the first turntable 1.

[0047] In this embodiment, as Figure 8 and Figure 9 As shown, the outer circumference of the first rotating disk 6 is provided with four torsion plates 602 arranged with equal arcs. Due to the torsion spring along Figure 5 The diameter in the X direction is greater than the length of the fixed plate, allowing the torsion plate 602 to be inserted into the corresponding torsion spring. For example... Figure 9 As shown, the first rotating disk 6 has several fixing holes on its circumference, and a fixing member 403 is inserted into the fixing block to fix the power transmission wire.

[0048] In this embodiment, the second elasticity test assembly also includes a second rotating disk. The structure of the second rotating disk is exactly the same as that of the first rotating disk 6. The second fixing part is located between the second rotating disk and the second rotating disk. The outer circumferential surface of the second rotating disk is provided with four torsion plates 602 with equal arcs, and the diameter of the torsion spring is greater than the length of the fixing plate, so that the torsion plate 602 can be inserted into the corresponding torsion spring.

[0049] In this embodiment, the first turntable 1 and the second turntable have the same structural dimensions. The thickness of the first turntable 1 is greater than 3mm. The first turntable 1 is circular with a diameter ranging from 5 to 35mm (selected according to the size of the power transmission line). The fixing hole and the fixing member 403 are connected by a threaded rotation. The inner diameter of the fixing hole is greater than 3mm.

[0050] According to an embodiment of the present invention, another aspect provides a testing system including the above-described conductor-oriented elasticity testing apparatus.

[0051] A method of using an elasticity testing device for a conductor includes the following steps:

[0052] (1) Assemble the same power transmission conductor, the first elastic test assembly and the second elastic test assembly to form the test device of this embodiment;

[0053] (2) Placed in a wind tunnel, the transmission conductor is blown to simulate the working conditions of single horizontal motion, single vertical motion, single torsional motion (applied to the torsional spring through the torsion plate 602), coupled horizontal and vertical motion, coupled horizontal, vertical and torsional motion, and to conduct comparative studies of various working conditions, and systematically analyze the occurrence conditions, development laws and response characteristics of wind-induced vibration of the conductor under different combinations of dynamic characteristics.

[0054] It should be noted that the elasticity testing device in this implementation can be matched with bearings, translational springs, torsion springs, etc., according to the different dimensions, structures and weights of the transmission lines.

[0055] The elastic testing device and system for conductors provided by the present invention have the following advantages: (1) By driving the first turntable 1 and / or the second turntable to perform planar motion and / or torsional motion, the transmission conductor can be subjected to planar motion or torsional motion alone, or to "planar motion + torsional motion", ensuring the torsion of the transmission conductor to comprehensively reflect the real working conditions; (2) The first bearing 4 and the second bearing realize the rotation of the transmission conductor in the torsional direction, and the first turntable 6 and the second turntable are set with torsion springs to establish the torsional stiffness in the torsional direction; (3) By setting the first turntable 1, in conjunction with translational springs (horizontal and vertical directions), free vibration in the translational direction is realized, and the frequency remains consistent; (4) By arranging torsion springs on the first turntable 1, the torsional stiffness and translational stiffness are decoupled, and the horizontal, vertical and torsional stiffness can be adjusted differently during the test. Test; (5) In the simulated wind-induced vibration of the transmission line, in addition to the horizontal and vertical vibrations, there is also a torsional vibration, and there is an obvious coupling mechanism in the three directions. By using the horizontal and vertical springs and the first bearing 4, i.e., the independent bearing system, the dynamic characteristics of the conductor segment model in the three directions (horizontal, vertical and torsional) are realized. During the test, the transmission line can realize synchronous vibration in the three directions; (6) The process of realizing translational stiffness and torsional stiffness is separated. That is, the translational spring only supports the stiffness in the corresponding direction and has no effect on the torsional stiffness. The combination of bearing and torsional spring only provides torsional stiffness and does not affect the translational stiffness. In the test, the horizontal, vertical and torsional stiffness can be precisely adjusted respectively to carry out the wind tunnel test of nonlinear vibration of the transmission line, accurately carry out the study of parametric transmission line wind-induced vibration, and clarify the wind-induced nonlinear vibration mechanism of the transmission line.

[0056] As an alternative implementation, it also includes more sets of elastic test components, such as a third elastic test component and a fourth elastic test component, the structure of which is the same as that of the first elastic test component.

[0057] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An elasticity testing device for a conductor, suitable for installation in a wind tunnel, characterized in that, include: At least two sets of elastic test components are arranged at intervals, including a first elastic test component and a second elastic test component; The first elasticity test assembly includes a first turntable (1); The second elasticity test assembly includes a second turntable, the first turntable (1) and the second turntable are respectively adapted to pass through the same power transmission line, the power transmission line is rotatably connected to the first turntable (1) and the second turntable respectively, and the first turntable (1) and / or the second turntable are driven to perform planar motion and / or torsional motion; The first elastic test assembly includes a first translational spring group (2), which includes at least two translational springs. The included angle between adjacent translational springs is greater than or equal to 90°. One end of each translational spring is connected to the first turntable (1), and the other end is adapted to be connected to the fixed seat (3). The first elasticity test assembly also includes a first torsion spring assembly (5), which includes at least one torsion spring located on one side of the first turntable (1). The first elastic test assembly also includes a first bearing (4), and the first bearing (4) is provided between the first turntable (1) and the power transmission line. The inner sidewall of the first bearing (4) is fitted to the outer peripheral surface of the power transmission line. The first elastic test assembly also includes a first rotating disk (6), which is located on the side of the first surface (104) away from the first rotating disk (1). The first rotating disk (6) is sleeved on the outer periphery of the power transmission wire. At least one torsion plate (602) is provided on the outer periphery of the first rotating disk (6), and one torsion plate (602) corresponds to one torsion spring.

2. The elasticity testing device for a conductor according to claim 1, characterized in that, The first translational spring group (2) further includes a first translational spring (201), a second translational spring (202), a third translational spring (203), and a fourth translational spring (204). The first translational spring (201) and the second translational spring (202) are set at an angle of 90°, the second translational spring (202) and the third translational spring (203) are set at an angle of 90°, the third translational spring (203) and the fourth translational spring (204) are set at an angle of 90°, and the fourth translational spring (204) and the first translational spring (201) are set at an angle of 90°.

3. The elasticity testing device for a conductor according to claim 2, characterized in that, The first torsion spring assembly (5) includes a first torsion spring (501), a second torsion spring (502), a third torsion spring (503), and a fourth torsion spring (504). The first torsion spring (501) is set at a 45° angle with the first translational spring (201), the second torsion spring (502) is set at a 45° angle with the second translational spring (202), the third torsion spring (503) is set at a 45° angle with the third translational spring (203), and the fourth torsion spring (504) is set at a 45° angle with the fourth translational spring (204).

4. The elasticity testing device for a conductor according to claim 3, characterized in that, The first inner ring (401) of the first bearing (4) extends outward toward the first surface (104) away from the first turntable (1) and has a first fixing part (402). The first fixing part (402) is provided with at least three fixing holes in the circumferential direction. A fixing member (403) is inserted into the fixing hole to fix the power transmission wire.

5. A testing system, characterized in that, Includes the elasticity testing apparatus for a conductor as described in any one of claims 1-4.

6. A method of using a conductor-oriented elasticity testing device, for using the conductor-oriented elasticity testing device of claim 1, characterized in that, The first turntable (1) and / or the second turntable are driven to perform planar and torsional motions to simulate the shaking and torsion of the transmission line in the air environment.

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