Cable torsion test device

Abstract

The utility model relates to a cable torsion test device, and belongs to the technical field of cable test appliances, the cable torsion test device comprises a support, a rotation driving mechanism, a first clamping structure, a second clamping structure, a terminal strip and a control device, the rotation driving mechanism is arranged at the bottom of the support; the rotation driving mechanism is provided with a rotation driving end arranged in the vertical direction, the first clamping structure is arranged at the rotation driving end and used for clamping one end of a cable, the second clamping structure is arranged at the top of the support and used for clamping the other end of the cable, the terminal strip is arranged at the top of the support, and the terminal strip is provided with a plurality of ports. Any wire harness of the cable is connected to the port, and the control device is electrically connected to the rotation driving mechanism and the terminal strip. According to the cable torsion test device provided by the invention, the control device can monitor the parameters of each wire harness when the wire harness is twisted through the terminal row, and the test data is richer, so that the torsion test precision of the cable is improved.

Description

Technical Field

[0001] This application relates to the technical field of cable testing instruments, and particularly to a cable torsion test device. Background Art

[0002] A cable is a general term for items such as optical cables and wires. Cables have many uses, mainly for control installation, connecting devices, transmitting electricity, etc., and are a common and indispensable item in daily life. The torsion of a cable will affect the service life and performance of the cable. Therefore, a torsion test is usually performed on the cable. However, the interior of a cable usually contains multiple wire harnesses. The cable torsion test devices in the prior art usually test the entire cable, resulting in poor test accuracy. Summary of the Utility Model

[0003] Based on this, it is necessary to provide a cable torsion test device to solve the technical problem of poor test accuracy of the cable torsion test device in the prior art.

[0004] To achieve the above object, this application provides a cable torsion test device, which includes:

[0005] A bracket;

[0006] A rotary drive mechanism, arranged at the bottom of the bracket, and the rotary drive mechanism has a rotary drive end arranged in the vertical direction;

[0007] A first clamping structure, arranged on the rotary drive end, and the first clamping structure is used to clamp one end of the cable;

[0008] A second clamping structure, located above the first clamping structure and arranged at the top of the bracket, and the second clamping structure is used to clamp the other end of the cable;

[0009] A terminal block, arranged at the top of the bracket. The cable is composed of multiple wire harnesses. The terminal block has multiple ports, and any one wire harness is connected to a port; and

[0010] A control device, electrically connected to the rotary drive mechanism and the terminal block respectively. The control device is used to control the torsion parameters of the rotary drive mechanism, and the control device is used to receive and process the electrical parameters of the wire harness.

[0011] Optionally, the top of the bracket includes a movable plate arranged in the horizontal direction, the height of the movable plate in the vertical direction is adjustable, and the second clamping structure and the terminal block are both arranged on the movable plate.

[0012] Optionally, the rotary drive mechanism is a servo motor.

[0013] Optionally, the torsion parameters of the rotary drive mechanism include the rotation angle and the rotation direction.

[0014] Optionally, the electrical parameters of the wire harness include resistance value and voltage value.

[0015] Optionally, both the first clamping structure and the second clamping structure include:

[0016] A conical barrel, at the port with a smaller diameter of which, a plurality of notches are arranged circumferentially, and the notches extend along the generatrix direction of the conical barrel;

[0017] A locking ring, sleeved on the outer conical surface of the conical barrel, and the locking ring is used to contract the port with a smaller diameter of the conical barrel inward to clamp the cable; and

[0018] A plurality of mounting plates, arranged circumferentially at the port with a smaller diameter of the conical barrel, and the mounting plates are fixed to the bracket by screws.

[0019] Optionally, the cable torsion test device further includes an alarm device electrically connected to the control device, and the alarm device is used to send an alarm signal after the control device detects that the wire harness is broken.

[0020] Optionally, the alarm device is integrated in the control device.

[0021] Optionally, the alarm signal includes alarm sound and alarm light.

[0022] Optionally, a display screen, a start-stop button and an emergency stop button are arranged on the control device, and the display screen is used to display the torsion parameters and electrical parameters.

[0023] The beneficial effects of the cable torsion test device provided by this application are as follows: Compared with the prior art, the cable torsion test device of this application includes a bracket, a rotary drive mechanism, a first clamping structure, a second clamping structure, a terminal block and a control device. A first clamping structure for clamping one end of the cable is arranged on the rotary drive mechanism at the bottom of the bracket, and a second clamping structure for clamping the other end of the cable is arranged at the top of the bracket, so as to achieve the purpose of twisting the cable. The terminal block has a plurality of ports, and any wire harness of the cable is connected to the ports. The control device can monitor the parameters of each wire harness when being twisted through the terminal block, and the test data is more abundant, thereby improving the accuracy of the cable torsion test. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of this application 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 drawings in the following description are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0025] Figure 1Schematic three-dimensional structure diagram of the cable torsion test device provided by the embodiment of the present application;

[0026] Figure 2 Schematic three-dimensional structure diagram of the first clamping structure of the cable torsion test device provided by the embodiment of the present application.

[0027] Explanation of reference numerals:

[0028] 1. Bracket; 110. Movable plate; 2. Rotation drive mechanism; 3. First clamping structure; 310. Conical cylinder; 311. Notch; 320. Locking ring; 330. Mounting plate; 331. Mounting hole; 4. Second clamping structure; 5. Terminal block; 6. Control device; 610. Display screen; 620. Start / stop button; 630. Emergency stop button; 7. Alarm device; 8. Cable. Detailed implementation manners

[0029] In order to make the above objects, features, and advantages of the present application more obvious and understandable, the following describes the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0032] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0033] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0035] The embodiment of the present application provides a cable 8 torsion test device, please refer to Figure 1 and Figure 2 The cable 8 torsion test device includes a bracket 1, a rotation drive mechanism 2, a first clamping structure 3, a second clamping structure 4, a terminal block 5 and a control device 6. The rotation drive mechanism 2 is arranged at the bottom of the bracket 1, and the rotation drive mechanism 2 has a rotation drive end arranged in a vertical direction; the first clamping structure 3 is arranged on the rotation drive end, and the first clamping structure 3 is used to clamp one end of the cable 8; the second clamping structure 4 is above the first clamping structure 3 and is arranged at the top of the bracket 1, and the second clamping structure 4 is used to clamp the other end of the cable 8; the terminal block 5 is arranged at the top of the bracket 1, and the cable 8 is composed of multiple wire harnesses. The terminal block 5 has multiple ports, and any wire harness is connected to a port; the control device 6 is electrically connected to the rotation drive mechanism 2 and the terminal block 5 respectively, and the control device 6 is used to control the torsion parameters of the rotation drive mechanism 2, and the control device 6 is used to receive and process the electrical parameters of the wire harness.

[0036] In an embodiment of the present application, the cable 8 torsion test device includes a bracket 1, a rotation driving mechanism 2, a first clamping structure 3, a second clamping structure 4, a terminal block 5, and a control device 6. A first clamping structure 3 for clamping one end of the cable 8 is arranged on the rotation driving mechanism 2 at the bottom of the bracket 1, and a second clamping structure 4 for clamping the other end of the cable 8 is arranged at the top of the bracket 1, so as to achieve the purpose of twisting the cable 8. The terminal block 5 has a plurality of ports, and any one wire harness of the cable 8 is connected to the port. The control device 6 can monitor the parameters of each wire harness when being twisted through the terminal block 5, and the test data is more abundant, thereby improving the torsion test accuracy of the cable 8.

[0037] In one embodiment, please refer to Figure 1 , the top of the bracket 1 includes a movable plate 110 arranged in the horizontal direction, and the height of the movable plate 110 in the vertical direction is adjustable, so that the clamping length of the cable 8 is adjustable, to provide more test conditions and enrich the test data. The second clamping structure 4 and the terminal block 5 are both arranged on the movable plate 110.

[0038] Specifically, sliding grooves are arranged on both opposite side parts of the bracket 1, and both ends of the movable plate 110 are slidably installed in the sliding grooves respectively, so as to achieve the effect that the height of the movable plate 110 is adjustable; a locking handle is further arranged at the end of the movable plate 110, and the locking handle is used to lock the movable plate 110.

[0039] In one embodiment, the rotation driving mechanism 2 is a servo motor, and the servo motor has the advantages of high control accuracy, fast response speed, high rotation speed, strong adaptability, etc., and is suitable for carrying out the torsion test of the cable 8.

[0040] In one embodiment, the torsion parameters of the rotation driving mechanism 2 include the rotation angle and the rotation direction. The rotation driving mechanism 2 can rotate forward and backward to provide more working conditions for the torsion test; for the rotation angle, the rotation angle can be within 0 - 360°, or can exceed 360° to twist the cable 8 for multiple turns. The torsion parameters of the rotation driving mechanism 2 are set according to the actual test requirements, and are not uniquely limited herein.

[0041] In one embodiment, the electrical parameters of the wire harness include the resistance value and the voltage value.

[0042] In one embodiment, please refer to Figure 2, both the first clamping structure 3 and the second clamping structure 4 include a conical cylinder body 310, a locking ring 320, and a plurality of mounting plates 330. At the port with a smaller diameter of the conical cylinder body 310, a plurality of notches 311 are arranged circumferentially. The notches 311 extend along the generatrix direction of the conical cylinder body 310, so that this port can contract inwards to clamp the cable 8; the locking ring 320 is sleeved on the outer conical surface of the conical cylinder body 310, and the locking ring 320 is used to contract the port with a smaller diameter of the conical cylinder body 310 inwards to clamp the cable 8; the plurality of mounting plates 330 are arranged circumferentially at the port with a smaller diameter of the conical cylinder body 310, and the mounting plates 330 are fixed to the bracket 1 by screws.

[0043] Specifically, the mounting plate 330 is provided with a mounting hole 331 for mounting a screw, and the bracket 1 is provided with a threaded hole for screwing the screw.

[0044] It can be understood that Figure 2 the first clamping structure 3 is taken as an example for explanation. The specific structure of the second clamping structure 4 is similar to that of the first clamping structure 3, and will not be elaborated here.

[0045] In one embodiment, please refer to Figure 1 , the cable 8 torsion test device further includes an alarm device 7 electrically connected to the control device 6. The alarm device 7 is used to emit an alarm signal after the control device 6 detects that the wire harness is broken, so as to remind the tester that the test has failed and remind the tester to replace the new cable 8 in time.

[0046] In one embodiment, please refer to Figure 1 , the alarm device 7 is integrated in the control device 6, which improves the integration degree of the device and is more convenient to use.

[0047] In one embodiment, the alarm signal includes an alarm sound and an alarm light, and the dual alarm prompt improves the alarm effect.

[0048] In one embodiment, please refer to Figure 1 , the control device 6 is provided with a display screen 610, a start / stop button 620, and an emergency stop button 630. The control method is simple and clear, reducing the operation difficulty of the tester; the display screen 610 is used to display the torsion parameters and electrical parameters for the staff to timely understand the test data.

[0049] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0050] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patented application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A cable torsion test device, characterized in that, Comprising: A bracket; A rotary drive mechanism, arranged at the bottom of the bracket, the rotary drive mechanism having a rotary drive end arranged in the vertical direction; A first clamping structure, arranged on the rotary drive end, the first clamping structure being used for clamping one end of a cable; A second clamping structure, located above the first clamping structure and arranged at the top of the bracket, the second clamping structure being used for clamping the other end of the cable; A terminal block, arranged at the top of the bracket, the cable being composed of multiple wire harnesses, the terminal block having multiple ports, and any one of the wire harnesses being connected to the port; And A control device, electrically connected to the rotary drive mechanism and the terminal block respectively, the control device being used for controlling the torsion parameters of the rotary drive mechanism, and the control device being used for receiving and processing the electrical parameters of the wire harness.

2. The cable torsion test device according to claim 1, wherein The top of the bracket includes a movable plate arranged in the horizontal direction, the height of the movable plate in the vertical direction being adjustable, and the second clamping structure and the terminal block are both arranged on the movable plate.

3. The cable torsion test device according to claim 1, characterized in that, The rotary drive mechanism is a servo motor.

4. The cable torsion test device according to claim 1, characterized in that, The torsion parameters of the rotary drive mechanism include the rotation angle and the rotation direction.

5. The cable torsion test device according to claim 1, characterized in that, The electrical parameters of the wire harness include the resistance value and the voltage value.

6. The cable torsion test device according to any one of claims 1-5, characterized in that, Both the first clamping structure and the second clamping structure include: A conical cylinder, at the port with a smaller diameter, a plurality of notches are arranged along the circumferential direction, and the notches extend along the generatrix direction of the conical cylinder; A locking ring, sleeved on the outer conical surface of the conical cylinder, the locking ring being used for shrinking the port with a smaller diameter of the conical cylinder inward to clamp the cable; and A plurality of mounting plates, arranged along the circumferential direction of the port with a smaller diameter of the conical cylinder, and the mounting plates are fixed to the bracket by screws.

7. The cable torsion test device according to any one of claims 1-5, characterized in that, The cable torsion test device further includes an alarm device electrically connected to the control device, and the alarm device is used for emitting an alarm signal after the control device detects that the wire harness is broken.

8. The cable torsion test device according to claim 7, wherein, The alarm device is integrated in the control device.

9. The cable torsion test device according to claim 7, wherein, The alarm signal includes an alarm sound and an alarm light.

10. The cable torsion test device according to any one of claims 1-5, characterized in that, A display screen, a start-stop button and an emergency stop button are arranged on the control device, and the display screen is used for displaying the torsion parameters and the electrical parameters.

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