Electric wire and cable load testing device

Abstract

The utility model discloses a wire and cable load testing device which comprises a protective shell, the upper end of the protective shell is connected with an end cover in a buckled mode, one side of the protective shell is provided with a fixing groove, a cable is inserted in the fixing groove, the two sides of the outer portion of the fixing groove are fixedly connected with matching blocks, and the matching blocks are connected with the end cover in a buckled mode. A threaded hole in the middle of the matching block is movably connected with a threaded column, one end of the threaded column is movably connected with an arc-shaped pressing block A, one side of the upper end of the end cover is fixedly connected with a connecting frame, the lower end of the protective shell is fixedly connected with a connecting plate, and one end of the connecting frame and one end of the connecting plate are both connected with an extension type spring A; according to the utility model, the conical knife is arranged at the upper end of the support frame at the lower end in the protective shell and moves relatively, the conical knife extrudes and cuts the skin of the cable, the skin at one end of the cable can be stripped only by opening or closing the end cover, the use is simple, the operation is convenient, and the test efficiency of the whole device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable load testing, in particular to a wire and cable load testing device. Background Art

[0002] Wire and cable manufacturing is an important power material for my country's power infrastructure. With the continuous improvement of people's living standards and the improvement of people's awareness of safety, health, and environmental quality, wires and cables, which play an important role in our lives and production, need to be tested through load testing devices for the quality of products in various wire and cable industries.

[0003] In the existing technology, patent number CN201320867598.5 discloses a wire and cable load testing device, which is equipped with a special detection circuit to detect the mechanical energy of the cable. However, in this technology, the wires or cables need to be fixed on the terminal posts first, and the wires need to be stripped before connection. Electricians need to use tools such as wire strippers to strip the wires, which makes the preparation time before using the test device longer, resulting in low test efficiency. Therefore, in order to solve this problem, we propose a wire and cable load testing device. Utility Model Content

[0004] The purpose of the utility model is to provide a wire and cable load testing device to solve the problem in the prior art proposed in the above background technology that the wires or cables need to be fixed on the terminal posts first, and the wires need to be stripped before connection. Electricians need to use tools such as wire strippers to strip the wires, which makes the preparation time before using the test device longer, resulting in low test efficiency and other problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire and cable load testing device, comprising a protective shell, the upper end of the protective shell is snap-connected with an end cover, one side of the protective shell is provided with a fixing groove, a cable is inserted into the fixing groove, both sides of the outside of the fixing groove are fixedly connected with matching blocks, a threaded hole in the middle of the matching block is movably connected with a threaded column, one end of the threaded column is movably connected with an arc-shaped pressure block A, one side of the upper end of the end cover is fixedly connected with a connecting frame, the lower end of the protective shell is fixedly connected with a connecting plate, one end of the connecting frame and the connecting plate are both connected with an extension spring A, and one end of the extension spring A is connected with an arc-shaped pressure block B.

[0006] Preferably, the surface of the cable is clamped between two arc-shaped pressing blocks A and two arc-shaped pressing blocks B.

[0007] Preferably, the bottom end inside the protective shell and the upper end of the end cover are both fixedly connected to a support frame, and conical knives are connected to both sides of one end of the support frame.

[0008] Preferably, a tension spring B is connected to the middle of one end of the support frame, and one end of the tension spring B is connected to a copper sheet.

[0009] Preferably, a detection box is provided on one side inside the protective shell, and a circuit board for load testing is provided inside the detection box.

[0010] Preferably, the load circuit board and the copper sheet inside the detection box are connected by wires.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model opens the integral end cover, then places the integral cable in the fixing groove on one side of the protective shell, one end of the cable extends into the interior of the protective shell, and then closes the integral end cover, so that the support frame at the lower end of the end cover moves downward. At this time, the conical knife under the support frame at the lower end of the end cover and the conical knife at the upper end of the support frame at the lower end of the protective shell move relatively, and the conical knives on both sides squeeze and cut the skin of the cable, and finally the skin of one end of the cable is separated from the copper wire. This setting enables the user to strip the cable without tools such as wire strippers, and at the same time, the skin of one end of the cable can be stripped by opening or closing the end cover. It is simple to use and convenient to operate, which reduces the preparation time before using the test device, thereby improving the test efficiency of the overall device;

[0013] 2. The utility model drives the extension spring A and the arc-shaped pressing block B at the lower end to move downward through the connecting frame on one side of the end cover, and the extension spring A and the arc-shaped pressing block B connected to the upper end of the connecting plate are pressed and fitted on the lower end surface of the cable. Then, the two extension springs A provide elastic extrusion to the two arc-shaped pressing blocks B respectively, so that the whole cable is initially squeezed and fixed by the two arc-shaped pressing blocks B;

[0014] Then rotate the overall threaded column so that the threaded column drives the arc-shaped pressing block A on one side to move horizontally, so that the two threaded columns respectively drive the arc-shaped pressing block A to perform horizontal squeezing action on the cable, and finally squeeze and fix the overall cable, so that the overall cable is completely fixed in the fixing groove on one side of the protective shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A magnified view of the three-dimensional structure at center A;

[0017] Figure 3 For this utility model Figure 1Enlarged front view cutaway view of the interior of the protective housing.

[0018] In the figure: 1. Protective shell; 2. Detection box; 3. Cable; 4. Connecting frame; 5. Fixing groove; 6. Matching block; 7. Threaded column; 8. Arc pressure block A; 9. End cover; 10. Connecting plate; 11. Extension spring A; 12. Arc pressure block B; 13. Support frame; 14. Conical knife; 15. Extension spring B; 16. Copper sheet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figures 1 to 3 , the utility model provides an embodiment: a wire and cable load testing device, comprising a protective shell 1, the upper end of the protective shell 1 is snap-connected with an end cover 9, the rear end of the end cover 9 and the upper end of the protective shell 1 are connected by a hinge, this arrangement allows the end cover 9 to be opened or closed on the protective shell 1, one side of the protective shell 1 is provided with a fixing groove 5, the fixing groove 5 is inserted with a cable 3, both sides of the outside of the fixing groove 5 are fixedly connected with a matching block 6, the threaded hole in the middle of the matching block 6 is movably connected with a threaded column 7, one end of the threaded column 7 is movably connected with an arc-shaped pressing block A8, one side of the upper end of the end cover 9 is fixedly connected with a connecting frame 4, the lower end of the protective shell 1 is fixedly connected with a connecting plate 10, one end of the connecting frame 4 and the connecting plate 10 are both connected with an extension spring A11, and one end of the extension spring A11 is connected with an arc-shaped pressing block B12;

[0021] The surface of the cable 3 is clamped between two arc-shaped pressing blocks A8 and two arc-shaped pressing blocks B12. The bottom end of the inside of the protective shell 1 and the upper end of the end cover 9 are fixedly connected with a support frame 13. Both sides of one end of the support frame 13 are connected with conical knives 14. The middle of one end of the support frame 13 is connected with a tension spring B15. One end of the tension spring B15 is connected with a copper sheet 16. Before use, the integral end cover 9 is opened first, and then the integral cable 3 is placed in the fixed groove 5 on one side of the protective shell 1. One end of the cable 3 extends to the inside of the protective shell 1, and then the integral end cover 9 is closed so that the support at the lower end of the end cover 9 is The support frame 13 moves downward, and at this time, the conical knife 14 under the support frame 13 at the lower end of the end cover 9 and the conical knife 14 at the upper end of the support frame 13 at the lower end of the protective shell 1 move relatively, and the conical knives 14 on both sides squeeze and cut the skin of the cable 3, and finally the skin of one end of the cable 3 is separated from the copper wire. This setting allows the user to strip the cable 3 without tools such as wire strippers, and at the same time, the skin of one end of the cable 3 can be stripped by opening or closing the end cover 9. It is simple to use and convenient to operate, which reduces the preparation time before using the test device, thereby improving the test efficiency of the overall device;

[0022] When the entire cable 3 is clamped in the fixing groove 5, and the skin of the cable 3 at one end inside the protective shell 1 is peeled off, the end cover 9 at the upper end of the protective shell 1 is closed, and the connecting frame 4 on one side of the end cover 9 drives the extension spring A11 and the arc-shaped pressing block B12 at the lower end to move downward, and the extension spring A11 and the arc-shaped pressing block B12 connected to the upper end of the connecting plate 10 are pressed and fitted on the lower end surface of the cable 3, and the two extension springs A11 respectively provide elastic squeezing action on the two arc-shaped pressing blocks B12, so that the entire cable 3 is initially squeezed and fixed by the two arc-shaped pressing blocks B12;

[0023] Then, the threaded column 7 is rotated so that the threaded column 7 drives the arc-shaped pressing block A8 on one side to move horizontally, so that the two threaded columns 7 respectively drive the arc-shaped pressing block A8 to perform a horizontal extrusion effect on the cable 3, and finally the entire cable 3 is squeezed and fixed, so that the entire cable 3 is completely fixed in the fixing groove 5 on one side of the protective housing 1;

[0024] In actual application, a test box 2 is provided on one side inside the protective shell 1, and a circuit board for load testing is provided inside the test box 2. The existing test circuit is used on the circuit board, and the load circuit board and the copper sheet 16 inside the test box 2 are connected by wires, wherein the tensioning elastic force of the tension spring B15 has an extrusion effect on the entire copper sheet 16, so that the upper end of the copper sheet 16 can be attached to the surface of the cable 3, so that the cable 3 is connected to the circuit inside 017 through the copper sheet 16, and finally the internal circuit switch of 017 is turned on to perform a load test on the entire cable 3.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A wire and cable load testing device, comprising a protective housing (1), characterized in that: The upper end of the protective shell (1) is snap-connected with an end cover (9), and the feature is that: a fixing groove (5) is provided on one side of the protective shell (1), a cable (3) is inserted into the fixing groove (5), both sides of the outside of the fixing groove (5) are fixedly connected with matching blocks (6), a threaded hole in the middle of the matching block (6) is movably connected with a threaded column (7), one end of the threaded column (7) is movably connected with an arc-shaped pressure block A (8), one side of the upper end of the end cover (9) is fixedly connected with a connecting frame (4), the lower end of the protective shell (1) is fixedly connected with a connecting plate (10), one end of the connecting frame (4) and the connecting plate (10) are both connected with an extension spring A (11), and one end of the extension spring A (11) is connected with an arc-shaped pressure block B (12).

2. A wire and cable load testing device according to claim 1, characterized in that: The surface of the cable (3) is clamped between two arc-shaped pressing blocks A (8) and two arc-shaped pressing blocks B (12).

3. A wire and cable load testing device according to claim 1, characterized in that: The bottom end inside the protective shell (1) and the upper end of the end cover (9) are both fixedly connected to a support frame (13), and both sides of one end of the support frame (13) are connected to conical knives (14).

4. A wire and cable load testing device according to claim 3, characterized in that: A tension spring B (15) is connected to the middle of one end of the support frame (13), and a copper sheet (16) is connected to one end of the tension spring B (15).

5. A wire and cable load testing device according to claim 4, characterized in that: A detection box (2) is provided on one side inside the protective housing (1), and a circuit board for load testing is provided inside the detection box (2).

6. A wire and cable load testing device according to claim 5, characterized in that: The load circuit board and the copper sheet (16) inside the detection box (2) are connected via electric wires.

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