Power cable tension detection device and method

Abstract

The invention belongs to the technical field of cable tension detection, particularly relates to a power cable tension detection device and method, and aims to solve the problems that only static one-way stress of a cable is detected, the cable is separated from reality, results are useless, a visual angle is one-sided, and the tension level is difficult to accurately evaluate. A driving motor is fixedly connected to the interior of the rectangular hole, a power output shaft of the driving motor is connected with a threaded rod through a coupler, an auxiliary round rod is arranged on one side of the threaded rod, a fixing seat is movably connected to the outer side of the threaded rod, and the inner side of the fixing seat is fixedly connected with the outer side of the auxiliary round rod. According to the power cable tension detection device and method disclosed by the invention, the stress conditions of the cable in different directions and sizes under the factors of wind, thermal expansion and cold contraction, mechanical vibration and the like are simulated, the detection is closer to reality, the limitation of single-direction detection is avoided, and the tension bearing capacity of the cable is comprehensively evaluated.

Description

Technical Field

[0001] The present invention relates to the technical field of cable tension detection, and in particular to a power cable tension detection device and method. Background Art

[0002] Power cable tension detection devices are mainly used to detect the mechanical properties of wires and cables to ensure their quality and safety. Such devices are widely used in the production and quality inspection of wires and cables to provide accurate data support to ensure product quality and safety.

[0003] Only testing the force on the power cable in a fixed direction in a single static state makes the test far away from the actual working conditions. The test results lack practical significance and are limited to a simple and one-sided testing perspective, making it impossible to accurately evaluate the actual tensile strength of the cable. Summary of the invention

[0004] The present invention discloses a power cable tension detection device and method, aiming to solve the technical problem in the background technology that only the force of a cable in a single static state in a fixed direction is detected, the detection is divorced from reality, the result has no practical significance, the perspective is one-sided, and the actual tension level of the cable cannot be accurately evaluated.

[0005] The present invention provides a power cable tension detection device, comprising a workbench, a rectangular hole is provided on the workbench, a driving motor is fixedly connected inside the rectangular hole, a power output shaft of the driving motor is connected to a threaded rod through a coupling, an auxiliary round rod is provided on one side of the threaded rod, and a fixed seat is movably connected to the outer side of the threaded rod, the inner side of the fixed seat is fixedly connected to the outer side of the auxiliary round rod, the outer sides of the threaded rod and the auxiliary round rod are both movably connected to a sliding seat, a tension adjustment component is provided at the front end of the sliding seat, and a fixing component is provided in front of the tension adjustment component and in front of the fixed seat; The tension adjustment assembly comprises a fixed frame, both ends of the inner side of the fixed frame are fixedly connected with symmetrical sliding rods, and the outer sides of the sliding rods are movably connected with movable seats; The fixing assembly comprises an annular member, the rear end of the annular member is fixedly connected to the front end of the movable seat, and the annular member is provided with symmetrical rectangular holes, and the front ends of the rectangular holes are all provided with auxiliary fixing plates.

[0006] In a preferred embodiment, the tension adjustment assembly also includes a motor frame, the bottom end of the motor frame is fixedly connected to the rear side of the fixed frame, the front end of the motor frame is fixedly connected to a servo motor, the power output shaft of the servo motor is connected to a rotating shaft through a coupling, the inner side of the rotating shaft is fixedly connected to a pulling rope, a round hole is opened on one side of the fixed frame, the pulling rope is movably connected between the inside of the round hole, the front end of the pulling rope is fixedly connected to one side of the movable seat, the side of the movable seat away from the pulling rope is fixedly connected to a spring rod, one end of the spring rod is fixedly connected to the inner side of the fixed frame, and the rear side of the movable seat is fixedly connected to a rotating rod, a hole is opened on the rear side of the fixed frame, the rotating rod is fixedly connected between the inside of the hole, and the rotating rod The rear side of the rotating gear is fixedly connected with a rotating gear, the rear side of the rotating gear is connected with a rotating motor through a coupling, the upper side of the rotating gear is movably connected with an upper gear plate, and the upper gear plate and the rotating gear are meshed with one tooth groove, the end of the upper gear plate away from the rotating gear is fixedly connected with a right pull rope, the front end of the right pull rope is fixedly connected to one side of the movable seat, the lower side of the rotating gear is movably connected with a lower gear plate, the lower gear plate and the rotating gear are meshed with two tooth grooves, and the end of the lower gear plate away from the rotating gear is fixedly connected with a left pull rope, the front end of the left pull rope is fixedly connected to the side of the movable seat away from the right pull rope, and symmetrical through holes are opened on the rear side of the fixed frame, and the right pull rope and the left pull rope both pass through the through holes.

[0007] By providing a tension adjustment component, when the tension of the power cable is detected, the servo motor starts to drive the rotating shaft to rotate. When the rotating shaft rotates, the pulling rope wrapped thereon is retracted and released, and the pulling rope will pull the movable seat to make a linear motion on the sliding rod. When the servo motor rotates forward, the pulling rope is tightened, and the movable seat moves to one side of the fixed frame; when the servo motor reverses, the pulling rope is relaxed, and the movable seat moves to the other side under the elastic force of the spring rod. At the same time, the rotating motor starts to drive the rotating gear to rotate. When the rotating gear rotates, it drives the upper gear plate and the lower gear plate to move. The upper gear plate is connected to the movable seat through the right pulling rope, and the lower gear plate is connected to the movable seat through the left pulling rope, so that when the movable seat moves left and right, it will also be moved due to the upper and lower pulling ropes. The rope rotates at a certain angle due to the change in tension. When the movable seat moves left and right and rotates, tensions of different directions and magnitudes are applied to the power cable, thereby simulating various stress conditions that the cable may encounter in actual use. By detecting the relevant sensor data (such as force sensors, etc.) on the movable seat, the tension information borne by the power cable in different states can be obtained, so as to evaluate the performance and reliability of the cable. In the process, the stress conditions of different directions and magnitudes caused by wind, thermal expansion and contraction, mechanical vibration and other factors in actual use of the power cable are simulated, so that the detection is closer to the real scene, the detection result is more valuable for reference, avoiding the limitation of single-direction detection, and comprehensively evaluating the cable's tension bearing capacity.

[0008] In a preferred solution, an operation panel is fixedly connected to the front of the workbench, a control button is fixedly connected to the operation panel, a tension frame is fixedly connected to the top of the workbench, the top ends of the auxiliary round rod and the threaded rod are fixedly connected to the inner side of the top end of the tension frame, a connecting plate is movably connected to the outer side of the threaded rod, the two ends of the connecting plate are fixedly connected to the two ends of the inner side of the tension frame, the bottom end of the auxiliary round rod is fixedly connected to the top of the connecting plate, the sliding seat is located above the fixed seat, the front end of the sliding seat is fixedly connected to a slide plate, and the inside of the slide plate is movably connected to the sliding plate, and the front end of the sliding plate is fixedly connected to the bottom end of the rotating motor.

[0009] In a preferred solution, the fixing assembly also includes a telescopic electric rod, the bottom end of the telescopic electric rod is fixedly connected to the front end of the ring member, the front end of the ring member is fixedly connected to the telescopic rod, the front ends of the telescopic electric rod and the telescopic rod are fixedly connected to a pulling member, the bottom ends of the pulling member are fixedly connected to a symmetrical pulling seat, both ends of the pulling seat are fixedly connected to a movable rod, the inner side of the top end of the movable rod is movably connected to a transverse rod, and the inner side of an end of the transverse rod away from the movable rod is movably connected to a fixed rod, both ends of the fixed rod are fixedly connected to an L-shaped plate, the front end of the L-shaped plate is fixedly connected to a telescopic spring, the front end of the telescopic spring is fixedly connected to the rear end of the auxiliary fixed plate, and the telescopic spring is fixedly connected between the inside of the rectangular hole.

[0010] When the lever is moved forward, the lever is moved back and forth, and the L-shaped plates at both ends of the lever are gradually opened and moved closer to the cable. As the L-shaped plates approach, the lever continues to be pushed to compress the telescopic spring, and the elastic force generated by the compression of the telescopic spring causes the L-shaped plates to tightly clamp the cable. At the same time, the auxiliary fixing plates also provide certain support and limit for the L-shaped plates, ensuring that the cable is firmly fixed between the two auxiliary fixing plates. At this time, both ends of the cable are stably fixed by the fixing plates, and the cable can be firmly fixed during the process to prevent the cable from sliding or falling off during the test, thereby ensuring the accuracy and safety of the test.

[0011] A method for detecting the tension of a power cable, using a power cable tension detection device as described above, comprises the following steps: Step 1: Place the two ends of the power cable in the ring of the fixing component respectively, and use the auxiliary fixing plate at the rectangular hole at the front end of the ring to firmly fix the two ends of the cable on the fixing component. At this time, the fixing components on the fixing seat and the sliding seat fix the two ends of the cable respectively; Step 2: Start the driving motor in the rectangular hole on the workbench. The driving motor drives the threaded rod to rotate. When the threaded rod rotates, the sliding seat moves upward along the threaded rod and the auxiliary round rod, thereby applying an upward pulling force to the cable. Step 3. While the sliding seat moves upward, the tension adjustment component in front of the sliding seat starts to work. The movable seat movably connected to the sliding rods at both ends of the inner side of the fixed frame will move left and right along the sliding rod under the action of the tension adjustment component. The left and right movement of the movable seat will drive the cable fixed on the ring to move left and right, thereby performing a more comprehensive test of the cable tension, simulating the state of the cable under different force conditions, and obtaining relevant tension data.

[0012] From the above, it can be seen that the power cable tension detection device provided by the present invention has the function of simulating the stress conditions of cables in different directions and magnitudes under factors such as wind, thermal expansion and contraction, and mechanical vibration, so as to make the detection closer to reality, avoid the limitation of single-direction detection, and comprehensively evaluate the effect of cable tension bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a power cable tension detection device proposed by the present invention; Figure 2 A schematic diagram of the internal structure of a tension frame of a power cable tension detection device proposed by the present invention; Figure 3 This is a schematic diagram of the front end structure of a sliding seat of a power cable tension detection device proposed by the present invention; Figure 4 A schematic diagram of the structure of a sliding seat of a power cable tension detection device proposed by the present invention; Figure 5 A schematic diagram of the structure of a tension adjustment component of a power cable tension detection device proposed by the present invention; Figure 6 A partial structural schematic diagram of a tension adjustment component of a power cable tension detection device proposed by the present invention; Figure 7 This is a schematic diagram of the structure of a fixing component of a power cable tension detection device proposed by the present invention; Figure 8 This is a schematic structural diagram of a fixed component portion of a power cable tension detection device proposed by the present invention.

[0014] In the figure: 1, workbench; 2, operation panel; 3, control button; 4, tension frame; 5, connecting plate; 6, driving motor; 7, fixing seat; 8, fixing assembly; 801, ring member; 802, telescopic electric rod; 803, telescopic rod; 804, pulling member; 805, pulling seat; 806, movable rod; 807, horizontal rod; 808, fixed rod; 809, L-shaped plate; 810, telescopic spring; 811, auxiliary fixing plate; 9, auxiliary round rod; 10, threaded rod; 11, sliding seat ; 12. Tension adjustment assembly; 1201. Fixed frame; 1202. Sliding rod; 1203. Movable seat; 1204. Pull rope; 1205. Rotating shaft; 1206. Servo motor; 1207. Rotating rod; 1208. Rotating gear; 1209. Rotating motor; 1210. Lower gear plate; 1211. Left pull rope; 1212. Spring rod; 1213. Upper gear plate; 1214. Right pull rope; 1215. Motor frame; 13. Slide plate; 14. Sliding plate. DETAILED DESCRIPTION

[0015] 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 the embodiments.

[0016] The power cable tension detection device disclosed in the present invention is mainly used for detecting the force of the cable in a fixed direction in a single static state. The detection is divorced from reality, the result has no practical significance, the perspective is one-sided, and the actual tension level of the cable cannot be accurately evaluated.

[0017] Reference Figure 1-8 A power cable tension detection device comprises a workbench 1, a rectangular hole is opened on the workbench 1, a driving motor 6 is fixedly connected inside the rectangular hole, a power output shaft of the driving motor 6 is connected to a threaded rod 10 through a coupling, an auxiliary round rod 9 is arranged on one side of the threaded rod 10, and a fixed seat 7 is movably connected to the outer side of the threaded rod 10, the inner side of the fixed seat 7 is fixedly connected to the outer side of the auxiliary round rod 9, and the outer sides of the threaded rod 10 and the auxiliary round rod 9 are both movably connected to a sliding seat 11, a tension adjustment component 12 is arranged at the front end of the sliding seat 11, and a fixing component 8 is arranged in front of the tension adjustment component 12 and in front of the fixed seat 7; The tension adjustment assembly 12 includes a fixed frame 1201, both ends of the inner side of the fixed frame 1201 are fixedly connected with symmetrical sliding rods 1202, and the outer sides of the sliding rods 1202 are movably connected with movable seats 1203; The fixing assembly 8 includes an annular member 801 , the rear end of which is fixedly connected to the front end of the movable seat 1203 , and the annular member 801 is provided with symmetrical rectangular holes, and the front ends of the rectangular holes are each provided with an auxiliary fixing plate 811 .

[0018] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The tension adjustment component 12 also includes a motor frame 1215, the bottom end of the motor frame 1215 is fixedly connected to the rear side of the fixed frame 1201, the front end of the motor frame 1215 is fixedly connected to a servo motor 1206, the power output shaft of the servo motor 1206 is connected to a rotating shaft 1205 through a coupling, the inner side of the rotating shaft 1205 is fixedly connected to a pulling rope 1204, a round hole is opened on one side of the fixed frame 1201, and the pulling rope 1204 is movably connected inside the round hole, and the pulling rope 1204 is movably connected to the inner side of the rotating shaft 1205. The front end of the movable rope 1204 is fixedly connected to one side of the movable seat 1203, and the side of the movable seat 1203 away from the pulling rope 1204 is fixedly connected with a spring rod 1212, one end of the spring rod 1212 is fixedly connected to the inner side of the fixed frame 1201, and the rear side of the movable seat 1203 is fixedly connected with a rotating rod 1207, and a hole is opened on the rear side of the fixed frame 1201, and the rotating rod 1207 is located inside the hole and fixedly connected, and the rear side of the rotating rod 1207 is fixedly connected with The rotating gear 1208 is connected to the rotating motor 1209 at the rear side through a coupling, and the upper side of the rotating gear 1208 is movably connected to the upper gear plate 1213, and the upper gear plate 1213 and the rotating gear 1208 are meshed through a tooth groove, and the end of the upper gear plate 1213 away from the rotating gear 1208 is fixedly connected to the right pull rope 1214, and the front end of the right pull rope 1214 is fixedly connected to one side of the movable seat 1203, and the rotating gear 120 The lower side of 8 is movably connected with a lower tooth plate 1210, and the lower tooth plate 1210 is meshed with the rotating gear 1208 through two tooth grooves, and the end of the lower tooth plate 1210 away from the rotating gear 1208 is fixedly connected with a left pull rope 1211, and the front end of the left pull rope 1211 is fixedly connected to the side of the movable seat 1203 away from the right pull rope 1214, and the rear side of the fixed frame 1201 is provided with symmetrical through holes, and the right pull rope 1214 and the left pull rope 1211 both pass through the through holes.

[0019] Specifically, when the tension of the power cable is detected, the servo motor 1206 is started to drive the rotating shaft 1205 to retract and release the pulling rope 1204, so that the movable seat 1203 moves linearly along the sliding rod 1202. When rotating forward, the movable seat 1203 moves toward the fixed frame 1201, and moves in the opposite direction under the action of the spring rod 1212 when reversing. At the same time, the rotating motor 1209 drives the rotating gear 1208 to drive the upper and lower tooth plates 1210, and the movable seat 1203 rotates during movement through the pulling rope, which makes the cable bear tension in different directions and sizes, simulating the actual force. By detecting the sensor data of the movable seat 1203, the cable tension information can be obtained, and its performance and reliability can be evaluated.

[0020] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 An operation panel 2 is fixedly connected to the front of the workbench 1, and a control button 3 is fixedly connected to the operation panel 2. A tension frame 4 is fixedly connected to the top of the workbench 1. The tops of the auxiliary round rod 9 and the threaded rod 10 are fixedly connected to the inner side of the top of the tension frame 4. A connecting plate 5 is movably connected to the outer side of the threaded rod 10. The two ends of the connecting plate 5 are fixedly connected to the two ends of the inner side of the tension frame 4. The bottom end of the auxiliary round rod 9 is fixedly connected to the top of the connecting plate 5. The sliding seat 11 is located above the fixed seat 7. The front end of the sliding seat 11 is fixedly connected to a slide plate 13, and the inside of the slide plate 13 is movably connected to a sliding plate 14. The front end of the sliding plate 14 is fixedly connected to the bottom end of the rotating motor 1209.

[0021] Reference Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 The fixing assembly 8 also includes a telescopic electric rod 802, the bottom end of the telescopic electric rod 802 is fixedly connected to the front end of the ring member 801, the front end of the ring member 801 is fixedly connected to the telescopic rod 803, the front ends of the telescopic electric rod 802 and the telescopic rod 803 are fixedly connected to the pulling member 804, the bottom end of the pulling member 804 is fixedly connected to a symmetrical pulling seat 805, both ends of the pulling seat 805 are fixedly connected to a movable rod 806, the top inner side of the movable rod 806 is movably connected to a transverse rod 807, and the inner side of the end of the transverse rod 807 away from the movable rod 806 is movably connected to a fixed rod 808, both ends of the fixed rod 808 are fixedly connected to an L-shaped plate 809, the front end of the L-shaped plate 809 is fixedly connected to a telescopic spring 810, the front end of the telescopic spring 810 is fixedly connected to the rear end of the auxiliary fixing plate 811, and the telescopic spring 810 is fixedly connected between the inside of the rectangular hole.

[0022] Specifically, during the test, the two ends of the cable are fixed, and after the annular member 801 approaches the cable with the movable seat 1203, the telescopic electric rod 802 extends, and the telescopic rod 803 is linked to push the pulling member 804 to move forward smoothly, driving the pulling seat 805 to move the movable rod 806. The movable rod 806 drives the horizontal rod 807 to rotate and unfold, thereby rotating the fixed rod 808, and the L-shaped plate 809 opens and approaches the cable, and continuously pushes to compress the telescopic spring 810, and its elastic force allows the L-shaped plate 809 to clamp the cable, and the auxiliary fixed plate 811 provides support and limit, and the two ends of the cable are firmly fixed by the fixed component 8.

[0023] A method for detecting the tension of a power cable, using a power cable tension detection device as described above, comprises the following steps: Step 1: Place the two ends of the power cable in the annular member 801 of the fixing assembly 8 respectively, and use the auxiliary fixing plate 811 at the rectangular hole at the front end of the annular member 801 to firmly fix the two ends of the cable on the fixing assembly 8. At this time, the fixing assembly 8 on the fixing seat 7 and the sliding seat 11 fix the two ends of the cable respectively; Step 2: Start the driving motor 6 in the rectangular hole on the workbench 1. The driving motor 6 drives the threaded rod 10 to rotate. When the threaded rod 10 rotates, the sliding seat 11 moves upward along the threaded rod 10 and the auxiliary round rod 9, thereby applying an upward pulling force to the cable. Step three, while the sliding seat 11 moves upward, the tension adjustment component 12 in front of the sliding seat 11 starts to work, and the movable seat 1203 movably connected to the sliding rod 1202 at both ends of the inner side of the fixed frame 1201 will move left and right along the sliding rod 1202 under the action of the tension adjustment component 12. The left and right movement of the movable seat 1203 will drive the cable fixed on the ring member 801 to move left and right, thereby performing a more comprehensive test on the tension of the cable, simulating the state of the cable under different force conditions, and obtaining relevant tension data.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A power cable tension detection device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a rectangular hole, a driving motor (6) is fixedly connected inside the rectangular hole, a power output shaft of the driving motor (6) is connected to a threaded rod (10) via a coupling, an auxiliary round rod (9) is provided on one side of the threaded rod (10), and a fixed seat (7) is movably connected to the outer side of the threaded rod (10), the inner side of the fixed seat (7) and the outer side of the auxiliary round rod (9) are fixedly connected, the outer sides of the threaded rod (10) and the auxiliary round rod (9) are both movably connected to a sliding seat (11), a tension adjustment component (12) is provided at the front end of the sliding seat (11), and a fixing component (8) is provided in front of the tension adjustment component (12) and in front of the fixed seat (7); The tension adjustment component (12) comprises a fixed frame (1201), both ends of the inner side of the fixed frame (1201) are fixedly connected to symmetrical sliding rods (1202), and the outer sides of the sliding rods (1202) are movably connected to movable seats (1203); The fixing assembly (8) comprises an annular member (801), the rear end of the annular member (801) being fixedly connected to the front end of the movable seat (1203), and the annular member (801) is provided with symmetrical rectangular holes, and the front ends of the rectangular holes are each provided with an auxiliary fixing plate (811).

2. A power cable tension detection device according to claim 1, characterized in that: The tension adjustment component (12) further comprises a motor frame (1215), the bottom end of the motor frame (1215) being fixedly connected to the rear side of the fixed frame (1201), the front end of the motor frame (1215) being fixedly connected to a servo motor (1206), the power output shaft of the servo motor (1206) being connected to a rotating shaft (1205) via a coupling, the inner side of the rotating shaft (1205) being fixedly connected to a pulling rope (1204), a round hole being provided on one side of the fixed frame (1201), and the pulling rope (1204) being movably connected inside the round hole.

3. A power cable tension detection device according to claim 2, characterized in that: The front end of the pulling rope (1204) is fixedly connected to one side of the movable seat (1203); a spring rod (1212) is fixedly connected to the side of the movable seat (1203) away from the pulling rope (1204); one end of the spring rod (1212) is fixedly connected to the inner side of the fixed frame (1201); a rotating rod (1207) is fixedly connected to the rear side of the movable seat (1203); a hole is provided on the rear side of the fixed frame (1201); the rotating rod (1207) is located inside the hole and is fixedly connected; and a rotating gear (1208) is fixedly connected to the rear side of the rotating rod (1207).

4. A power cable tension detection device according to claim 3, characterized in that: The rear side of the rotating gear (1208) is connected to a rotating motor (1209) via a coupling, the upper side of the rotating gear (1208) is movably connected to an upper gear plate (1213), and the upper gear plate (1213) and the rotating gear (1208) are meshed via a tooth groove, and one end of the upper gear plate (1213) away from the rotating gear (1208) is fixedly connected to a right-positioned pulling rope (1214), and the front end of the right-positioned pulling rope (1214) is fixedly connected to one side of the movable seat (1203).

5. A power cable tension detection device according to claim 4, characterized in that: The lower side of the rotating gear (1208) is movably connected to a lower tooth plate (1210), the lower tooth plate (1210) and the rotating gear (1208) are meshed via tooth grooves, and the end of the lower tooth plate (1210) away from the rotating gear (1208) is fixedly connected to a left-placed traction rope (1211), the front end of the left-placed traction rope (1211) is fixedly connected to the side of the movable seat (1203) away from the right-placed traction rope (1214), and the rear side of the fixed frame (1201) is provided with symmetrical through holes, and the right-placed traction rope (1214) and the left-placed traction rope (1211) both pass through the through holes.

6. A power cable tension detection device according to claim 5, characterized in that: The front of the workbench (1) is fixedly connected to an operation panel (2), the operation panel (2) is fixedly connected to a control button (3), the top of the workbench (1) is fixedly connected to a tension frame (4), the tops of the auxiliary round rod (9) and the threaded rod (10) are fixedly connected to the inner side of the top of the tension frame (4), the outer side of the threaded rod (10) is movably connected to a connecting plate (5), the two ends of the connecting plate (5) are fixedly connected to the two ends of the inner side of the tension frame (4), the bottom end of the auxiliary round rod (9) is fixedly connected to the top of the connecting plate (5), the sliding seat (11) is located above the fixed seat (7), the front end of the sliding seat (11) is fixedly connected to a slide plate (13), and the inside of the slide plate (13) is movably connected to a sliding plate (14), and the front end of the sliding plate (14) is fixedly connected to the bottom end of the rotating motor (1209).

7. A power cable tension detection device according to claim 6, characterized in that: The fixing assembly (8) further comprises a telescopic electric rod (802), the bottom end of the telescopic electric rod (802) being fixedly connected to the front end of the ring member (801), the front end of the ring member (801) being fixedly connected to the telescopic rod (803), and the front ends of the telescopic electric rod (802) and the telescopic rod (803) being fixedly connected to the pulling member (804).

8. The power cable tension detection device according to claim 7, characterized in that: The bottom end of the pulling member (804) is fixedly connected to a symmetrical pulling seat (805), both ends of the pulling seat (805) are fixedly connected to movable rods (806), the inner side of the top end of the movable rod (806) is movably connected to a transverse rod (807), and the inner side of one end of the transverse rod (807) away from the movable rod (806) is movably connected to a fixed rod (808), and both ends of the fixed rod (808) are fixedly connected to an L-shaped plate (809).

9. The power cable tension detection device according to claim 8, characterized in that: The front end of the L-shaped plate (809) is fixedly connected to a telescopic spring (810), the front end of the telescopic spring (810) and the rear end of the auxiliary fixing plate (811) are fixedly connected, and the telescopic spring (810) is fixedly connected inside the rectangular hole.

10. A method for detecting tension of a power cable, using a device for detecting tension of a power cable according to claim 9, characterized in that: The steps include: Step 1: Place the two ends of the power cable in the annular member (801) of the fixing assembly (8) respectively, and use the auxiliary fixing plate (811) at the rectangular hole at the front end of the annular member (801) to firmly fix the two ends of the cable on the fixing assembly (8). At this time, the fixing assembly (8) on the fixing seat (7) and the sliding seat (11) respectively fix the two ends of the cable; Step 2: Start the driving motor (6) in the rectangular hole on the workbench (1), and the driving motor (6) drives the threaded rod (10) to rotate. When the threaded rod (10) rotates, the sliding seat (11) moves upward along the threaded rod (10) and the auxiliary round rod (9), thereby applying an upward pulling force to the cable; Step 3: While the sliding seat (11) moves upward, the tension adjustment assembly (12) in front of the sliding seat (11) starts to work, and the movable seat (1203) movably connected to the sliding rod (1202) at both ends of the inner side of the fixed frame (1201) will move left and right along the sliding rod (1202) under the action of the tension adjustment assembly (12). The left and right movement of the movable seat (1203) will drive the cable fixed on the ring member (801) to move left and right, thereby performing a more comprehensive test on the tension of the cable, simulating the state of the cable under different stress conditions, and obtaining relevant tension data.

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