Conductor resistance measuring device

Abstract

The utility model provides a conductor resistance measuring device, and relates to the technical field of cable conductor detection. The conductor resistance measuring device provided by the utility model comprises a base, a stretching mechanism, a first clamping mechanism, a second clamping mechanism, a resistance measuring instrument, a lifting mechanism and a control unit, the stretching mechanism is arranged on the base, and the two ends of the stretching mechanism are each provided with a first clamping mechanism and a second clamping mechanism; the first clamping mechanism and the second clamping mechanism are electrically connected with the resistance measuring instrument, and the resistance measuring instrument is used for measuring the resistance of the conductor; the lifting mechanism is arranged on the base and located between the two first clamping mechanisms, and the lifting mechanism comprises a lifting table; the stretching mechanism, the first clamping mechanism, the second clamping mechanism, the resistance measuring instrument and the lifting mechanism are all electrically connected with the control unit. The utility model provides a conductor resistance measuring device which is high in measuring efficiency and measuring accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of cable conductor detection, in particular to a conductor resistance measuring device. Background Art

[0002] In the process of cable production, a cable conductor is formed by stranding multiple single wires, and the electrical properties of the conductor are crucial to the quality of the cable. Among them, the DC resistance of the conductor is an important index to evaluate the electrical performance of the conductor.

[0003] In the prior art, generally, a DC resistance measuring instrument is used to measure the conductor resistance. Before measurement, the measuring instrument is adjusted first, and the conductor is fixed, and then the resistance of the conductor is measured by the measuring instrument.

[0004] However, the existing measurement method of cable conductor resistance not only has low efficiency, but also is prone to errors. Summary of the Utility Model

[0005] In order to solve at least one problem mentioned in the background art, the utility model provides a conductor resistance measuring device with high measurement efficiency and accuracy.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a conductor resistance measuring device, which includes a base, a stretching mechanism, a first clamping mechanism, a second clamping mechanism, a resistance measuring instrument, a lifting mechanism and a control unit;

[0008] The stretching mechanism is arranged on the base, and both ends of the stretching mechanism are provided with a first clamping mechanism and a second clamping mechanism. The two first clamping mechanisms are respectively used for clamping both ends of the conductor to be measured, so as to stretch the conductor under the drive of the stretching mechanism;

[0009] Both the first clamping mechanism and the second clamping mechanism are electrically connected to the resistance measuring instrument. The resistance measuring instrument is configured to measure the first electrical parameter of the conductor when the first clamping mechanism clamps the conductor, and measure the second electrical parameter of the conductor when the second clamping mechanism clamps the conductor, so as to measure the resistance of the conductor;

[0010] The lifting mechanism is arranged on the base and is located between the two first clamping mechanisms. The lifting mechanism includes a lifting platform, and the lifting platform is used for lifting the conductor;

[0011] The stretching mechanism, the first clamping mechanism, the second clamping mechanism, the resistance measuring instrument and the lifting mechanism are all electrically connected to the control unit. The control unit is used to control the stretching, clamping, lifting and resistance measurement of the conductor.

[0012] As an optional embodiment, the first clamping mechanism and the second clamping mechanism both include a mounting seat, a driving mechanism and a clamp. The mounting seats are arranged at both ends of the stretching mechanism so that the mounting seats at both ends are driven to move closer to or away from each other through the stretching mechanism. The clamp is arranged on the mounting seat, and the clamp is configured to clamp the conductor under the drive of the driving mechanism. The clamp is electrically connected to the resistance measuring instrument.

[0013] As an optional implementation, the contact area between the clamp of the first clamping mechanism and the conductor is greater than the contact area between the clamp of the second clamping mechanism and the conductor.

[0014] As an optional implementation, the first electrical parameter is a current value, and the second electrical parameter is a voltage value.

[0015] As an optional embodiment, it also includes a pressure sensor and a tension sensor. The pressure sensor is arranged in the first clamping mechanism and the second clamping mechanism, and the pressure sensor is used to measure the clamping force of the clamps in the first clamping mechanism and the second clamping mechanism on the conductor. The tension sensor is arranged in the stretching mechanism, and the tension sensor is used to measure the tension of the stretching mechanism on the conductor.

[0016] As an optional embodiment, the lifting platform includes a first motor, a worm gear mechanism, a lifting shaft and a lifting platform. The worm gear mechanism is transmission-connected between the first motor and the lifting shaft. The first motor is used to drive the worm gear mechanism to drive the lifting shaft to perform lifting and lowering movements through the worm gear mechanism. The lifting platform is arranged at the top of the lifting shaft to be lifted and lowered driven by the lifting shaft.

[0017] As an optional implementation, the lifting mechanism further includes a third clamping mechanism, which is disposed on the lifting platform and is used to clamp the conductor when the lifting platform lifts the conductor.

[0018] As an optional implementation, the stretching mechanism includes a ball screw mechanism and a second motor, the second motor is used to drive the ball screw mechanism, and the mounting seat is mounted on the ball screw mechanism.

[0019] As an optional implementation, it also includes a ruler, which is arranged on the stretching mechanism and is used to measure the length of the conductor to be measured.

[0020] As an optional embodiment, the control unit is arranged on the base, and the driving mechanism, the tension sensor, the pressure sensor, the first motor and the second motor are all electrically connected to the control unit. The control unit is used to control the magnitude of the tensile force and the clamping force of the conductor according to the preset size parameters of the conductor.

[0021] The conductor resistance measuring device provided by the present utility model includes a base, a stretching mechanism, a first clamping mechanism, a second clamping mechanism, a resistance measuring instrument, a lifting mechanism, and a control unit; the stretching mechanism is arranged on the base, and both ends of the stretching mechanism are provided with the first clamping mechanism and the second clamping mechanism, and the two first clamping mechanisms are respectively used for clamping both ends of the conductor to be measured, so as to stretch the conductor under the drive of the stretching mechanism; both the first clamping mechanism and the second clamping mechanism are electrically connected to the resistance measuring instrument, and the resistance measuring instrument is configured to measure the first electrical parameter of the conductor when the first clamping mechanism clamps the conductor, and measure the second electrical parameter of the conductor when the second clamping mechanism clamps the conductor, so as to measure the resistance of the conductor; the lifting mechanism is arranged on the base and is located between the two first clamping mechanisms, and the lifting mechanism includes a lifting platform for lifting the conductor; the stretching mechanism, the first clamping mechanism, the second clamping mechanism, the resistance measuring instrument, and the lifting mechanism are all electrically connected to the control unit, and the control unit is used to control the stretching, clamping, lifting, and resistance measurement of the conductor.

[0022] When measuring the resistance of the conductor, the conductor resistance measuring device provided by the present utility model can place the conductor to be measured on the stretching mechanism, and through the control unit, make the first clamping mechanism clamp both ends of the conductor, and then control the stretching mechanism to stretch the conductor so that the whole conductor is in a straightened state. After that, the lifting platform can be controlled to lift the middle part of the conductor upward from the bottom of the conductor to make the conductor further keep a straight state. Then, it can be controlled that the resistance measuring instrument measures the first electrical parameter of the conductor through the clamping part of the first clamping mechanism, and measures the second electrical parameter of the conductor through the clamping part of the second clamping mechanism on the conductor, so as to measure the resistance of the conductor through the first electrical parameter and the second electrical parameter. The conductor resistance measuring device provided by the present utility model can automatically measure the resistance of the conductor, has low requirements for the measurement level of the measurement personnel, can avoid the errors brought by manual measurement, and effectively improves the measurement efficiency and measurement accuracy. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0024] Figure 1 It is a schematic diagram of the overall structure of the conductor resistance measuring device provided by the embodiment of the present utility model;

[0025] Figure 2 For Figure 1 the top view of;

[0026] Figure 3 ForFigure 1 Enlarged view of part A

[0027] Figure 4 Structural schematic diagram of the lifting mechanism in the conductor resistance measuring device provided by the embodiment of the present invention

[0028] Explanation of reference numerals in the drawings

[0029] 100 - Conductor resistance measuring device

[0030] 110 - Base

[0031] 120 - Tensile mechanism

[0032] 130 - First clamping mechanism

[0033] 131 - Mounting seat

[0034] 132 - Driving mechanism

[0035] 133 - Clamp

[0036] 140 - Second clamping mechanism

[0037] 150 - Resistance measuring instrument

[0038] 160 - Lifting mechanism

[0039] 161 - Lifting platform

[0040] 1611 - First motor

[0041] 1612 - Worm and worm gear mechanism

[0042] 1613 - Jacking shaft

[0043] 1614 - Lifting table

[0044] 162 - Third clamping mechanism

[0045] 170 - Control unit

[0046] 180 - Scale

[0047] 200 - Conductor Specific implementation manners

[0048] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0049] In the application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present utility model and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0050] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to specific circumstances.

[0051] In addition, the terms "installed", "set up", "provided with", "connected", "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0052] In addition, terms such as "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, the meaning of "a plurality" is two or more.

[0053] In the prior art, generally, the staff manually measures the resistance of a conductor with a DC resistance measuring instrument. This measurement method has relatively high technical requirements for the measurement personnel, otherwise it will lead to inaccurate measurement. Before measurement, it is necessary to adjust the measuring instrument first and fix the conductor well, and then test the resistance of the conductor through the measuring instrument. However, this measurement method for the resistance of a cable conductor not only has low efficiency, but also is still prone to errors.

[0054] In view of this, the present utility model provides a conductor resistance measuring device, which includes a base, a stretching mechanism, a first clamping mechanism, a second clamping mechanism, a resistance measuring instrument, a lifting mechanism and a control unit; the stretching mechanism is arranged on the base, and the first clamping mechanism and the second clamping mechanism are arranged at both ends of the stretching mechanism; both the first clamping mechanism and the second clamping mechanism are electrically connected to the resistance measuring instrument; the lifting mechanism is arranged on the base and is located between the two first clamping mechanisms, and the lifting mechanism includes a lifting platform; the stretching mechanism, the first clamping mechanism, the second clamping mechanism, the resistance measuring instrument and the lifting mechanism are all electrically connected to the control unit. When measuring the resistance of a conductor, the conductor to be measured can be placed on the stretching mechanism, and the first clamping mechanism is controlled by the control unit to clamp both ends of the conductor, and then the stretching mechanism is controlled to stretch the conductor so that the whole conductor is in a straightened state. After that, the lifting platform can be controlled to lift the middle part of the conductor upward from the bottom of the conductor to make the conductor further keep a straight state. Then, the resistance measuring instrument can be controlled to measure the first electrical parameter of the conductor through the clamping part of the first clamping mechanism, and measure the second electrical parameter of the conductor through the clamping part of the second clamping mechanism on the conductor, so as to measure the resistance of the conductor through the first electrical parameter and the second electrical parameter. The conductor resistance measuring device provided by the present utility model can automatically measure the resistance of the conductor, has low requirements for the measuring level of the measuring personnel, can avoid the errors brought by manual measurement, and effectively improves the measuring efficiency and the measuring accuracy.

[0055] Figure 1 It is a schematic diagram of the overall structure of the conductor resistance measuring device provided by the embodiment of the present utility model; Figure 2 is Figure 1 the top view of; Figure 3 is Figure 1 the enlarged view of part A in Figure 4 It is a schematic diagram of the structure of the lifting mechanism in the conductor resistance measuring device provided by the embodiment of the present utility model.

[0056] can be referred to Figures 1 to 4, an embodiment of the present utility model provides a conductor resistance measuring device 100, which includes a base 110, a stretching mechanism 120, a first clamping mechanism 130, a second clamping mechanism 140, a resistance measuring instrument 150, a lifting mechanism 160 and a control unit 170; the stretching mechanism 120 is arranged on the base 110, and both ends of the stretching mechanism 120 are provided with the first clamping mechanism 130 and the second clamping mechanism 140. The two first clamping mechanisms 130 are respectively used to clamp both ends of the conductor 200 to be measured, so as to stretch the conductor 200 driven by the stretching mechanism 120; both the first clamping mechanism 130 and the second clamping mechanism 140 are electrically connected to the resistance measuring instrument 150. The resistance measuring instrument 150 is configured to measure the first electrical parameter of the conductor 200 when the first clamping mechanism 130 clamps the conductor 200, and measure the second electrical parameter of the conductor 200 when the second clamping mechanism 140 clamps the conductor 200, so as to measure the resistance of the conductor 200; the lifting mechanism 160 is arranged on the base 110 and is located between the two first clamping mechanisms 130. The lifting mechanism 160 includes a lifting platform 161, and the lifting platform 161 is used to lift the conductor 200; the stretching mechanism 120, the first clamping mechanism 130, the second clamping mechanism 140, the resistance measuring instrument 150 and the lifting mechanism 160 are all electrically connected to the control unit 170, and the control unit 170 is used to control the stretching, clamping, lifting and resistance measurement of the conductor 200.

[0057] Among them, the first electrical parameter can be a current value, the second electrical parameter is a voltage value, and the resistance value of the conductor 200 is calculated through the current and voltage of the conductor 200.

[0058] In the above embodiments, the first clamping mechanism 130 and the second clamping mechanism 140 may both include a mounting base 131, a driving mechanism 132, and a clamp 133. The mounting base 131 is disposed at both ends of the stretching mechanism 120 to drive the mounting bases 131 at both ends to approach or move away from each other through the stretching mechanism 120. The clamp 133 is disposed on the mounting base 131 and is configured to clamp the conductor 200 under the drive of the driving mechanism 132. The clamp 133 is electrically connected to the resistance measuring instrument 150. It can be understood that the first clamping mechanism 130 and the second clamping mechanism 140 may both include two mounting bases 131, a driving mechanism 132, and a clamp 133. The two mounting bases 131 in the first clamping mechanism 130 are respectively disposed at both ends of the stretching mechanism 120 and approach or move away from each other along the length direction of the entire device under the drive of the stretching mechanism 120. The clamp 133 is mounted on the mounting base 131 and moves together with the mounting base 131. The driving mechanism 132 can drive the clamp 133 to clamp and release the conductor 200. Among them, the structures of the clamp 133 and the driving mechanism 132 have various forms. For example, the driving mechanism 132 may include two sliding seats movably disposed along the mounting base 131. The clamp 133 is formed by combining two halves, and each sliding seat mounts one half of the clamp 133. When the two sliding seats approach each other, the two halves of the clamp 133 on the two sliding seats are spliced together to form a complete clamp 133, thereby clamping the conductor 200 therein. For another example, the structure of the clamp 133 may also be set in the form of a mechanical claw, and the conductor 200 is clamped by the mechanical claw. Of course, the clamp 133 and the driving mechanism 132 may also be in other forms, which are not specifically limited herein.

[0059] In the above embodiments, the contact area between the clamp 133 of the first clamping mechanism 130 and the conductor 200 may be made larger than the contact area between the clamp 133 of the second clamping mechanism 140 and the conductor 200. It can be understood that since the stretching mechanism 120 needs to stretch the conductor 200 when the first clamping mechanism 130 clamps the conductor 200, therefore, increasing the contact area between the clamp 133 of the first clamping mechanism 130 and the conductor 200 can reduce the local stress of the clamp 133 on the conductor 200 and prevent the conductor 200 from being damaged by the clamp 133. In addition, increasing the contact area between the clamp 133 of the first clamping mechanism 130 and the conductor 200 can also make the conductor 200 fully contact with the clamp 133 and reduce the measurement error.

[0060] In the above embodiment, a pressure sensor and a tension sensor may also be included. The pressure sensor is disposed in the first clamping mechanism 130 and the second clamping mechanism 140. The pressure sensor is used to measure the clamping force of the clamp 133 in the first clamping mechanism 130 and the second clamping mechanism 140 on the conductor 200. The tension sensor is disposed in the stretching mechanism 120. The tension sensor is used to measure the tension of the stretching mechanism 120 on the conductor 200. The tension sensor and the pressure sensor may feed back the detected pressure and tension to the control unit 170 to avoid damage to the conductor 200 due to excessive tension and pressure, thereby causing inaccurate measurement.

[0061] In the above embodiment, the lifting platform 161 may also include a first motor 1611, a worm gear mechanism 1612, a lifting shaft 1613 and a lifting platform 1614. The worm gear mechanism 1612 is connected between the first motor 1611 and the lifting shaft 1613. The first motor 1611 is used to drive the worm gear mechanism 1612, so as to drive the lifting shaft 1613 to perform lifting and lowering movements through the worm gear mechanism 1612. The lifting platform 1614 is arranged at the top of the lifting shaft 1613, so as to perform lifting and lowering under the drive of the lifting shaft 1613. Among them, the first motor 1611 can drive the worm gear mechanism 1612 to operate, and the worm gear mechanism 1612 drives the lifting shaft 1613 to rise or fall, so as to lift the middle part of the conductor 200 to be measured upward, so that the conductor 200 remains in a straight state, and the unclamped part of the conductor 200 is prevented from sagging due to its own gravity, thereby improving the measurement accuracy.

[0062] In the above embodiment, the lifting mechanism 160 may further include a third clamping mechanism 162, which is disposed on the lifting platform 161, and is used to clamp the conductor 200 when the lifting platform 161 lifts the conductor 200. When the lifting platform 1614 lifts the conductor 200, the third clamping mechanism 162 on the lifting platform 1614 may further clamp the conductor 200 to prevent the conductor 200 from shaking left and right.

[0063] In the above embodiment, the stretching mechanism 120 may include a ball screw mechanism and a second motor, the second motor is used to drive the ball screw mechanism, and the mounting seat 131 is installed on the ball screw mechanism. The ball screw mechanism has high transmission accuracy and stable transmission, which further improves the measurement accuracy. Specifically, two ball screw mechanisms can be provided, and the two ball screw mechanisms are arranged along the same straight line, and the moving directions of the two are opposite, and the mounting seat 131 is installed on the driving end of each ball screw mechanism.

[0064] The above embodiment may further include a ruler 180 . The ruler 180 may be disposed on the stretching mechanism 120 or the base 110 . The ruler 180 may be used to conveniently measure the length of the conductor 200 .

[0065] In the above embodiments, the control unit 170 is disposed on the base 110. The driving mechanism 132, the tension sensor, the pressure sensor, the first motor 1611, and the second motor are all electrically connected to the control unit 170. The control unit 170 is configured to control the magnitudes of the tensile force and the clamping force of the conductor 200 according to the preset dimensional parameters of the conductor 200. Specifically, the control unit 170 may be a computer. The tester can edit the corresponding execution program on the computer and then input the relevant parameters of the conductor 200, such as the length, diameter, material, etc. of the conductor 200. These data can be conveniently obtained before measurement and will not be explained here. After inputting these data into the computer, the pre-written program can operate, so as to control the driving mechanism 132, the first motor 1611, and the second motor through the control unit 170 to apply the corresponding magnitudes of the tensile force and the clamping force to the conductor 200.

[0066] In a detection scenario of the resistance of the conductor 200, it can be carried out in the following manner: First, the tester presses the reset button on the operation interface in the computer, and all the jigs 133 and the lifting table 1614 return to their original positions. The tester places the conductor 200 to be tested in the measurement area of the experimental platform and inputs the specification parameters (length, diameter, etc.) of the conductor 200 to be tested on the operation interface, and then presses the start test button on the operation interface. At this time, the lifting table 1614 starts to rise. After rising in place, the third clamping mechanism 162 clamps the conductor 200. Then, the first clamping mechanism 130 acts to clamp both ends of the conductor 200, and the first clamping mechanism 130 realizes closed-loop control according to the feedback value of the pressure sensor. After the first clamping mechanism 130 clamps the conductor 200, the stretching mechanism 120 starts to act and straightens the conductor 200 according to the preset tension and speed. The stretching tension is realized by a closed-loop control of a pre-written computer program through the feedback value of the tension sensor. After the conductor 200 is straightened, the two second clamping mechanisms 140 complete the clamping action of the conductor 200, and the clamping force of the second clamping mechanism 140 is detected by the pressure sensor and forms a closed-loop control. Finally, the resistance measuring instrument 150 measures the current and voltage data of the conductor 200 respectively, and transmits the measured data to the computer. The computer automatically completes the resistance calculation and generates a data report for subsequent use. After the measurement task is completed, the tester presses the reset button, the jig 133 opens, and the lifting table 1614 returns to its original position, completing one measurement task.

[0067] The conductor resistance measuring device 100 provided by the embodiment of the present utility model includes a base 110, a stretching mechanism 120, a first clamping mechanism 130, a second clamping mechanism 140, a resistance measuring instrument 150, a lifting mechanism 160 and a control unit 170; the stretching mechanism 120 is arranged on the base 110, and both ends of the stretching mechanism 120 are provided with the first clamping mechanism 130 and the second clamping mechanism 140. The two first clamping mechanisms 130 are respectively used for clamping both ends of the conductor 200 to be measured, so as to stretch the conductor 200 under the drive of the stretching mechanism 120; both the first clamping mechanism 130 and the second clamping mechanism 140 are electrically connected to the resistance measuring instrument 150. The resistance measuring instrument 150 is configured to measure the first electrical parameter of the conductor 200 when the first clamping mechanism 130 clamps the conductor 200, and measure the second electrical parameter of the conductor 200 when the second clamping mechanism 140 clamps the conductor 200, so as to measure the resistance of the conductor 200; the lifting mechanism 160 is arranged on the base 110 and is located between the two first clamping mechanisms 130. The lifting mechanism 160 includes a lifting platform 161, and the lifting platform 161 is used for lifting the conductor 200; the stretching mechanism 120, the first clamping mechanism 130, the second clamping mechanism 140, the resistance measuring instrument 150 and the lifting mechanism 160 are all electrically connected to the control unit 170. The control unit 170 is used to control the stretching, clamping, lifting and resistance measurement of the conductor 200.

[0068] When the conductor resistance measuring device 100 provided by the embodiment of the present utility model measures the resistance of the conductor 200, the conductor 200 to be measured can be placed on the stretching mechanism 120, and the first clamping mechanism 130 is controlled by the control unit 170 to clamp both ends of the conductor 200. Then, the stretching mechanism 120 is controlled to stretch the conductor 200 so that the whole conductor 200 is in a straightened state. After that, the lifting platform can be controlled to lift the middle part of the conductor 200 upward from the bottom of the conductor 200 to make the conductor 200 further maintain a straight state. Then, the resistance measurement can be controlled to measure the first electrical parameter of the conductor 200 through the clamping part of the first clamping mechanism 130, and measure the second electrical parameter of the conductor 200 through the clamping part of the second clamping mechanism 140 on the conductor 200. Thus, the resistance of the conductor 200 can be measured through the first electrical parameter and the second electrical parameter. The conductor resistance measuring device 100 provided by the present utility model can automatically measure the resistance of the conductor 200, has low requirements for the measurement level of the measurement personnel, can avoid the errors brought by manual measurement, and effectively improves the measurement efficiency and the measurement accuracy.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A conductor resistance measuring device, characterized in that: It includes a base, a stretching mechanism, a first clamping mechanism, a second clamping mechanism, a resistance measuring instrument, a lifting mechanism and a control unit; The stretching mechanism is arranged on the base, and the first clamping mechanism and the second clamping mechanism are arranged at both ends of the stretching mechanism, and the two first clamping mechanisms are respectively used to clamp the two ends of the conductor to be measured, so as to stretch the conductor under the drive of the stretching mechanism; The first clamping mechanism and the second clamping mechanism are both electrically connected to the resistance measuring instrument, and the resistance measuring instrument is configured to measure a first electrical parameter of the conductor when the first clamping mechanism clamps the conductor, and to measure a second electrical parameter of the conductor when the second clamping mechanism clamps the conductor, thereby measuring the resistance of the conductor; The lifting mechanism is arranged on the base and is located between the two first clamping mechanisms. The lifting mechanism comprises a lifting platform, and the lifting platform is used to lift the conductor; The stretching mechanism, the first clamping mechanism, the second clamping mechanism, the resistance measuring instrument and the lifting mechanism are all electrically connected to the control unit, and the control unit is used to control the conductor to stretch, clamp, lift and measure resistance.

2. The conductor resistance measuring device according to claim 1, characterized in that: The first clamping mechanism and the second clamping mechanism both include a mounting seat, a driving mechanism and a clamp. The mounting seats are arranged at both ends of the stretching mechanism so that the mounting seats at both ends are driven to move closer to or away from each other through the stretching mechanism. The clamp is arranged on the mounting seat, and the clamp is configured to clamp the conductor under the drive of the driving mechanism. The clamp is electrically connected to the resistance measuring instrument.

3. The conductor resistance measuring device according to claim 2, characterized in that: The contact area between the clamp of the first clamping mechanism and the conductor is greater than the contact area between the clamp of the second clamping mechanism and the conductor.

4. The conductor resistance measuring device according to claim 3, characterized in that: The first electrical parameter is a current value, and the second electrical parameter is a voltage value.

5. The conductor resistance measuring device according to claim 4, characterized in that: It also includes a pressure sensor and a tension sensor. The pressure sensor is arranged in the first clamping mechanism and the second clamping mechanism. The pressure sensor is used to measure the clamping force of the clamps in the first clamping mechanism and the second clamping mechanism on the conductor. The tension sensor is arranged in the stretching mechanism. The tension sensor is used to measure the tension of the stretching mechanism on the conductor.

6. The conductor resistance measuring device according to claim 5, characterized in that: The lifting platform includes a first motor, a worm gear mechanism, a lifting shaft and a lifting platform. The worm gear mechanism is transmission-connected between the first motor and the lifting shaft. The first motor is used to drive the worm gear mechanism to drive the lifting shaft to perform lifting and lowering movements through the worm gear mechanism. The lifting platform is arranged at the top of the lifting shaft to be lifted and lowered under the drive of the lifting shaft.

7. The conductor resistance measuring device according to claim 6, characterized in that: The lifting mechanism further includes a third clamping mechanism, which is disposed on the lifting platform and is used for clamping the conductor when the lifting platform lifts the conductor.

8. The conductor resistance measuring device according to claim 7, characterized in that: The stretching mechanism includes a ball screw mechanism and a second motor, the second motor is used to drive the ball screw mechanism, and the mounting seat is mounted on the ball screw mechanism.

9. The conductor resistance measuring device according to claim 8, characterized in that: It also includes a ruler, which is arranged on the stretching mechanism and is used to measure the length of the conductor to be measured.

10. The conductor resistance measuring device according to claim 9, characterized in that: The control unit is arranged on the base, and the driving mechanism, the tension sensor, the pressure sensor, the first motor and the second motor are all electrically connected to the control unit. The control unit is used to control the magnitude of the tensile force and the clamping force of the conductor according to the preset size parameters of the conductor.

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