Testing device for power cable production and processing

Abstract

The utility model discloses a testing device for power cable production and processing, which is characterized in that the left inner wall of a testing box is fixedly connected with a hydraulic rod, the right end of the hydraulic rod is fixedly connected with a fixing ring, the right surface of the testing box is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and one end, far away from the motor, of the rotating shaft is fixedly connected with a fixing cap; a limiting plate is fixedly connected to the side surface of the rotating shaft, a limiting groove is formed in the testing box, screws are in threaded connection to the side surfaces of the fixing ring and the fixing cap, a box cover is rotationally connected to the rear surface of the testing box through a hinge, and a glass plate is fixedly connected to the interior of the box cover. Therefore, the device can be safely and reliably used in a complex environment.

Description

Technical Field

[0001] The utility model relates to the technical field of cable testing, in particular to a testing device for producing and processing power cables. Background Art

[0002] As an important carrier of power and information transmission, cables play a vital role in various fields such as power, communications, construction, and transportation. Therefore, the production quality of cables is directly related to the stable operation of the power system and the reliability of information transmission. However, the test performance of existing test devices is single, which affects the efficiency of the test. For example, a Chinese patent discloses "An efficient twisting test device for insulated power cable detection", and its application number is: "202121467750.1". It solves the problems existing in the existing test structure through the use of a base, a fixing block, a limit sleeve, a cable fixing block, a cable fixing block through-hole, a set of cable fixing block screw holes, a second fastening bolt and a second fastening nut. The structure achieves efficient, stable and safe rotational twisting requirements for various insulated power cables to be tested; the insulated power cables are easy to load and unload, the test efficiency is high, the production cost is reduced, and the economic benefits are improved. However, the test performance of the device is single, and problems affecting the test efficiency may still occur. Utility Model Content

[0003] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and to provide a testing device for the production and processing of power cables. By extending and retracting the hydraulic rod inside the test box, a tensile test can be performed on the fixed cable, and the tensile strength, tensile life and tolerance of the cable can be evaluated, which is beneficial to ensuring the quality of the cable and enabling it to be used safely and reliably in complex environments. By driving the rotating shaft to rotate the fixing cap through a motor, a rotational force can be applied to the fixed cable to perform a torsion test, and detect the plastic deformation of the cable under torsion and the uniformity of the metal structure. In addition, due to the setting of the limit groove and the limit plate on the side surface of the rotating shaft, the hydraulic rod can be avoided from affecting the cable during stretching, which is beneficial to ensuring the independence and accuracy of the tensile and torsion tests.

[0004] The utility model also provides a testing device for the production and processing of power cables as mentioned above, comprising: a test box, a left inner wall of the test box is fixedly connected to a hydraulic rod, the right end of the hydraulic rod is fixedly connected to a fixing ring, the right surface of the test box is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the end of the rotating shaft away from the motor is fixedly connected to a fixing cap, the side surface of the rotating shaft is fixedly connected to a limiting plate, a limiting groove is provided inside the test box, the side surfaces of the fixing ring and the fixing cap are both threadedly connected to screws, the rear surface of the test box is rotatably connected to a box cover by a hinge, and the inside of the box cover is fixedly connected to a glass plate. The above device is beneficial to ensuring the quality of the cable and enables it to be used safely and reliably in complex environments.

[0005] According to the test device for power cable production and processing described in the utility model, the rotating shaft passes through the right surface of the test box and extends to the interior of the test box. The above device is beneficial to ensuring the rotation of the fixing cap.

[0006] According to the test device for power cable production and processing described in the utility model, the limit groove is located inside the right inner wall of the test box, and the limit plate is located inside the limit groove. The above device is helpful to avoid affecting the connection between the motor and the rotating shaft during stretching.

[0007] According to the test device for power cable production and processing described in the utility model, the screws pass through the side surfaces of the fixing ring and the fixing cap and are located above the fixing ring and the fixing cap. The above device is beneficial for fixing both ends of the cable.

[0008] According to the test device for power cable production and processing described in the utility model, the box cover and the front surface of the test box are provided with locks, and the box cover covers the upper surface of the test box. The above device is beneficial to ensure the fixation of the box cover.

[0009] According to the test device for power cable production and processing described in the utility model, the glass plate covers the test box and is located directly above the hydraulic rod, the fixing ring, and the fixing cap. The above device is helpful for observing the test results.

[0010] According to the test device for power cable production and processing described in the utility model, the hydraulic rod and the fixing ring are located on the left side of the fixing cap and are both located inside the test box. The above device is beneficial to improving the test accuracy.

[0011] According to the test device for power cable production and processing described in the utility model, the lower surface of the test box is fixedly connected to a pillar, and the lower end of the pillar is movably connected to a roller. The above device is beneficial to enhancing the convenience of operating the test box.

[0012] Beneficial effects

[0013] 1. Compared with the existing technology, this test device for power cable production and processing can perform tensile tests on fixed cables by extending and retracting the hydraulic rod inside the test box. It can evaluate the tensile strength, tensile life and tolerance of the cable, which is beneficial to ensuring the quality of the cable and enabling it to be used safely and reliably in complex environments.

[0014] 2. Compared with the existing technology, the test device for power cable production and processing drives the fixed cap to rotate by a motor-driven rotating shaft, which can apply rotational force to the fixed cable to perform a torsion test and detect the plastic deformation of the cable under torsion and the uniformity of the metal structure. In addition, due to the setting of the limit groove and the limit plate on the side surface of the rotating shaft, the hydraulic rod can be prevented from affecting the cable during stretching, which is beneficial to ensure the independence and accuracy of the tensile and torsion tests. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of the test device for power cable production and processing of the utility model;

[0017] Figure 2 This is a diagram of the internal structure of the test device for producing and processing power cables of the utility model;

[0018] Figure 3 This is a test device for the production and processing of power cables Figure 2 Enlarged view of point B in the middle;

[0019] Figure 4 This is a bottom view of the structure of the test device for power cable production and processing according to the present invention.

[0020] Legend:

[0021] 1. Test box; 2. Box cover; 3. Glass plate; 4. Motor; 5. Support; 6. Roller; 7. Hydraulic rod; 8. Fixing ring; 9. Screw; 10. Rotating shaft; 11. Limit plate; 12. Limit slot; 13. Fixing cap; 14. Lock. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figure 1-4, an embodiment of the present utility model is a testing device for the production and processing of power cables, which includes: a test box 1, which serves as the main structure of the entire test device and provides a closed and stable environment for testing, protecting the test equipment and cables from external interference during the test process; a hydraulic rod 7 is fixedly connected to the left inner wall of the test box 1, which provides variable tension to one end of the cable through its telescopic function; a fixing ring 8 is fixedly connected to the right end of the hydraulic rod 7 for positioning one end of the cable; a motor 4 is fixedly connected to the right surface of the test box 1 for providing rotational power for the test device; a rotating shaft 10 is fixedly connected to the output end of the motor 4 for connecting to a fixing cap 13; the rotating shaft 10 passes through the right surface of the test box 1 and extends to the interior of the test box 1; a fixing cap 13 is fixedly connected to the end of the rotating shaft 10 away from the motor 4 for positioning one end of the cable; a limiting plate 11 is fixedly connected to the side surface of the rotating shaft 10 for avoiding influence on the motor during the tensile test.

[0024] A limiting groove 12 is provided inside the test box 1 for positioning the limiting plate 11. The limiting groove 12 is located inside the right inner wall of the test box 1. The limiting plate 11 is located inside the limiting groove 12. The side surfaces of the fixing ring 8 and the fixing cap 13 are both threadedly connected with screws 9 for strengthening the fixation of the cable. The screws 9 pass through the side surfaces of the fixing ring 8 and the fixing cap 13 and are located above the fixing ring 8 and the fixing cap 13. The rear surface of the test box 1 is connected to a box cover 2 by a hinge for closing the test box 1. The box cover 2 covers the upper surface of the test box 1. A glass plate 3 is fixedly connected to the inside of the box cover 2 for observing the test process. The glass plate 3 covers the test box 1 and is located directly above the hydraulic rod 7, the fixing ring 8, and the fixing cap 13. The hydraulic rod 7 and the fixing ring 8 are located on the left side of the fixing cap 13 and are both located inside the test box 1. A lock 14 is provided on the front surface of the box cover 2 and the test box 1 for closing the box cover 2. A support 5 is fixedly connected to the lower surface of the test box 1 for supporting the test box 1. The lower end of the support 5 is movably connected to a roller 6 for facilitating the movement of the test box.

[0025] Working principle: open the box cover 2, fix the two ends of the tested cable inside the fixing ring 8 and the fixing cap 13, and fix the two ends of the cable with screws 9, close the box cover 2, start the hydraulic rod 7, and apply tension to one end of the cable through the return of the hydraulic rod 7 to simulate the tensile force that the cable may be subjected to during use, and observe the deformation and breakage of the cable through the glass plate 3 to evaluate its tensile performance, or start the motor 4 to drive the shaft 10 to rotate, thereby driving the other end of the cable to rotate or bend test. According to the test needs, the speed and rotation direction of the motor can be adjusted to simulate The usage of the simulated cable under different working conditions. During the test, the rotation or bending of the cable can be observed through the glass plate 3. During the test, relevant instruments (such as dynamometers, displacement sensors, etc.) can be used to monitor and record the stress and deformation of the cable in real time. After the test is completed, the recorded data is analyzed and processed to evaluate whether the performance indicators of the cable (such as tensile strength) meet the relevant standards and requirements. Finally, the power supply of the motor 4 and the hydraulic rod 7 is turned off, the test process is stopped, the box cover 2 is opened, the tested cable is taken out, and necessary cleaning and sorting work is performed.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A testing device for power cable production and processing, characterized in that: include: A test box (1) is provided, wherein a hydraulic rod (7) is fixedly connected to the left inner wall of the test box (1), a fixing ring (8) is fixedly connected to the right end of the hydraulic rod (7), a motor (4) is fixedly connected to the right surface of the test box (1), a rotating shaft (10) is fixedly connected to the output end of the motor (4), a fixing cap (13) is fixedly connected to the end of the rotating shaft (10) away from the motor (4), a side surface of the rotating shaft (10) is fixedly connected to a limiting plate (11), a limiting groove (12) is provided inside the test box (1), the side surfaces of the fixing ring (8) and the fixing cap (13) are both threadedly connected to screws (9), the rear surface of the test box (1) is rotatably connected to a box cover (2) through a hinge, and a glass plate (3) is fixedly connected to the inside of the box cover (2).

2. A testing device for power cable production and processing according to claim 1, characterized in that: The rotating shaft (10) passes through the right surface of the test box (1) and extends to the interior of the test box (1).

3. A testing device for power cable production and processing according to claim 1, characterized in that: The limiting groove (12) is located inside the right inner wall of the test box (1), and the limiting plate (11) is located inside the limiting groove (12).

4. A testing device for power cable production and processing according to claim 1, characterized in that: The screw (9) passes through the side surfaces of the fixing ring (8) and the fixing cap (13), and is located above the fixing ring (8) and the fixing cap (13).

5. A testing device for power cable production and processing according to claim 1, characterized in that: The box cover (2) and the front surface of the test box (1) are provided with a lock buckle (14), and the box cover (2) covers the upper surface of the test box (1).

6. A testing device for power cable production and processing according to claim 1, characterized in that: The glass plate (3) covers the test box (1) and is located directly above the hydraulic rod (7), the fixing ring (8), and the fixing cap (13).

7. A testing device for power cable production and processing according to claim 1, characterized in that: The hydraulic rod (7) and the fixing ring (8) are located on the left side of the fixing cap (13), and are both located inside the test box (1).

8. A testing device for power cable production and processing according to claim 1, characterized in that: The lower surface of the test box (1) is fixedly connected to a support (5), and the lower end of the support (5) is movably connected to a roller (6).

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