Suspension type porcelain insulator stress detection device

Abstract

The utility model relates to the technical field of stress detection devices, and discloses a suspension type porcelain insulator stress detection device which comprises a supporting seat. The driving motor is operated, the output end of the driving motor rotates the threaded rod, the connecting and fixing base moves leftwards along the outer wall of the threaded rod, meanwhile, the connecting and fixing base slides along the guide sliding groove formed in the supporting base to guarantee the stability of the connecting and fixing base in the walking direction, the connecting and fixing base drives the connecting block, and the connecting block drives the fixing ring. The fixing ring pulls the left side of the suspension type porcelain insulator, the right side of the suspension type porcelain insulator pulls the second fixing ring, the second fixing ring pulls the sliding block, the left side of the sliding block is pressed to the right side of the force sensor, then the threaded rod is continuously rotated, and the connecting fixing base is continuously away from the force sensor, so that the left side of the suspension type porcelain insulator is pulled by the fixing ring while being pulled by the fixing ring. The right side of the suspension type porcelain insulator pulls the second fixing ring, and the right side of the second fixing ring pulls the sliding block to continuously apply pressure to the force sensor.

Description

Technical Field

[0001] This utility model relates to the field of stress detection device technology, and in particular to a stress detection device for suspension porcelain insulators. Background Technology

[0002] A suspension porcelain insulator stress testing device is used to monitor the mechanical stress, load, and stress conditions of suspension porcelain insulators (typically used in power lines in high-voltage power systems) under operating conditions. Suspension porcelain insulators are commonly used to suspend high-voltage cables, bearing the effects of external tensile forces, bending forces, and environmental factors (such as wind, ice, and snow). Their safety and reliability are crucial to the normal operation of the power system; therefore, monitoring the stress state of suspension porcelain insulators is an important means to ensure the safety of power facilities, avoid faults, and reduce the occurrence of accidents.

[0003] Most existing stress testing devices use traction force for testing, such as electric or manual winches or hydraulic devices. They apply a certain tension by stretching cables or directly pulling suspension porcelain insulators. However, this testing method may affect the test results due to friction of the equipment itself and issues with the accuracy of the equipment. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a stress detection device for suspension porcelain insulators.

[0005] This utility model is achieved using the following technical solution: a stress detection device for suspension porcelain insulators, comprising a support base, a drive motor fixedly connected to the inner wall of the support base, a threaded rod fixedly connected to the output end of the drive motor, the outer wall of the threaded rod rotatably connected to the inner wall of the support base, a connecting fixing seat threadedly connected to the outer wall of the threaded rod, a guide groove formed on the surface of the support base, the outer wall of the connecting fixing seat slidably connected to the inner wall of the guide groove, a control box fixedly connected to the top right side of the support base, a connecting block fixedly connected to the right side of the connecting fixing seat, a fixing ring contacting the inner wall of the connecting block, a suspension porcelain insulator contacting the right side of the fixing ring, a groove formed on the inner wall of the control box, a slider slidably connected to the inner wall of the groove, a force sensor fixedly connected to the left side of the inner wall of the groove, the left side of the slider contacting the right side of the force sensor, a connecting shaft rotatably connected to the left side of the slider, a second fixing ring contacting the inner wall of the connecting shaft, and the outer wall of the second fixing ring contacting the right side of the suspension porcelain insulator.

[0006] As a further improvement to the above solution, two guide grooves are provided, and the two guide grooves are symmetrically arranged with the threaded rod as the center.

[0007] Through the above technical solution, the drive motor is operated, and the output end of the drive motor rotates the threaded rod, causing the connecting fixed seat to move to the left along the outer wall of the threaded rod. At the same time, the connecting fixed seat slides along the guide groove opened on the support seat to ensure the stability of the traveling direction of the connecting fixed seat. Simultaneously, the connecting fixed seat drives the connecting block, the connecting block drives the fixed ring, the fixed ring pulls the left side of the suspension porcelain insulator, and at the same time, the right side of the suspension porcelain insulator pulls the second fixed ring, and the second fixed ring pulls the slider.

[0008] As a further improvement to the above solution, a second groove is provided on the inner wall of the second fixed ring, a first limiting ring is slidably connected to the inner wall of the second groove, a second limiting ring is slidably connected to the back of the first limiting ring, and the outer wall of the second limiting ring is slidably connected to the inner wall of the second groove.

[0009] As a further improvement to the above solution, a gear is rotatably connected to the inner wall of the second fixed ring. The back left side of the gear is meshed with the front side of the first limiting ring, and the back right side of the gear is meshed with a gear.

[0010] As a further improvement to the above scheme, the right side of the second gear is rotatably connected to the inner wall of the second fixed ring, the back of the second gear is meshed with the third gear, and the outer wall of the third gear is rotatably connected to the inner wall of the second fixed ring.

[0011] As a further improvement to the above solution, an adjustment groove is provided on one side of the gear, and a locking limit block is provided in contact with the inner wall of the adjustment groove.

[0012] As a further improvement to the above solution, a limiting hole is provided on the front of the second fixing ring, and a limiting pin is provided in contact with the inner wall of the limiting hole. The end of the limiting pin away from the limiting hole is fixedly connected to the back of the locking limiting block.

[0013] Using the above technical solution, the locking limit block is removed outwards, and at the same time, the locking limit block drives the limit pin to disengage from the limit hole and the adjustment groove. Then, the special adjustment handle is used to rotate gear one, gear one engages with limit ring one, and limit ring one slides along slide groove two, so that the limit ring one is disengaged from the fixed ring two more. At the same time, gear one engages with gear two, gear two engages with gear three, and gear three engages with limit ring two from the front, so that limit ring two also slides along slide groove two.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention utilizes a drive motor to rotate a threaded rod at its output end, causing the connecting fixing seat to move to the left along the outer wall of the threaded rod. Simultaneously, the connecting fixing seat slides along a guide groove on the support seat to ensure the stability of its movement. The connecting fixing seat also drives a connecting block, which in turn drives a fixing ring. The fixing ring pulls the left side of the suspension porcelain insulator, while the right side of the suspension porcelain insulator pulls a second fixing ring. The second fixing ring pulls a slider, causing the left side of the slider to press against the right side of the force sensor. By continuously rotating the threaded rod, the connecting fixing seat moves further away from the force sensor. This results in the left side of the suspension porcelain insulator being pulled by the fixing ring, while the right side of the suspension porcelain insulator pulls the second fixing ring. The right side of the second fixing ring pulls the slider, continuously applying pressure to the force sensor. The force sensor readings are displayed on the control box screen, indicating the stress level of the suspension porcelain insulator. This completes the stress detection of the suspension porcelain insulator. The use of a threaded rod allows the stress on the suspension porcelain insulator to rise slowly, improving the accuracy of stress detection.

[0016] This invention involves removing the locking and limiting block outwards, which simultaneously causes the limiting pin to disengage from the limiting hole and adjusting groove. Then, using a special adjusting handle, gear one is rotated, engaging limiting ring one and causing it to slide along the sliding groove two. This increases the distance between limiting ring one and fixed ring two. Simultaneously, gear one engages gear two, which in turn engages gear three, which in turn engages with limiting ring two from the front, causing it to slide along the sliding groove two as well. This further increases the distance between limiting ring two and fixed ring two. When the ends of limiting ring one and limiting ring two furthest from fixed ring two intersect, the suspension porcelain insulator is properly positioned. The locking and limiting block is then pressed in along the adjusting groove and limiting hole to further position gear one, preventing changes in the position of limiting ring one and limiting ring two due to the tension of the suspension porcelain insulator during stress testing. This positioning method is simple and convenient to operate, applicable to different suspension porcelain insulator devices, and safe and stable during testing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the support base of this utility model;

[0019] Figure 3 This is a front cross-sectional view of the control box of this utility model;

[0020] Figure 4 This is a schematic diagram of the slide groove structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the second fixing ring structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the limiting hole structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the two-section structure of the fixing ring of this utility model.

[0024] Explanation of key symbols:

[0025] 1. Support base; 2. Drive motor; 3. Threaded rod; 4. Connecting fixing base; 5. Guide slide; 6. Control box; 7. Connecting block; 8. Fixing ring; 9. Suspension porcelain insulator; 10. Slide; 11. Slider; 12. Force sensor; 13. Connecting shaft; 14. Fixing ring two; 15. Slide two; 16. Limiting ring one; 17. Limiting ring two; 18. Gear one; 19. Gear two; 20. Gear three; 21. Adjusting groove; 22. Locking limit block; 23. Limiting hole; 24. Limiting pin. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0027] Example:

[0028] Please combine Figure 1-7 This embodiment of the suspension porcelain insulator stress detection device includes a support base 1. A drive motor 2 is fixedly connected to the inner wall of the support base 1. A threaded rod 3 is fixedly connected to the output end of the drive motor 2. The outer wall of the threaded rod 3 is rotatably connected to the inner wall of the support base 1. A connecting fixing seat 4 is threadedly connected to the outer wall of the threaded rod 3. A guide groove 5 is opened on the surface of the support base 1. The outer wall of the connecting fixing seat 4 is slidably connected to the inner wall of the guide groove 5. A control box 6 is fixedly connected to the top right side of the support base 1. A connecting block 7 is fixedly connected to the right side of the connecting fixing seat 4. A fixing ring 8 is contacted on the inner wall of the connecting block 7. A suspension porcelain insulator 9 is contacted on the right side of the fixing ring 8. A groove 10 is opened on the inner wall of the control box 6. A slider 11 is slidably connected to the inner wall of the groove 10. A force sensor 12 is fixedly connected to the left side of the inner wall of the groove 10. The left side of the slider 11 is contacted on the right side of the force sensor 12. A connecting shaft 13 is rotatably connected to the left side of the slider 11. A fixing ring 14 is contacted on the inner wall of the connecting shaft 13. The outer wall of the fixing ring 14 is contacted on the right side of the suspension porcelain insulator 9.

[0029] Two guide grooves 5 are provided, and the two guide grooves 5 are symmetrically arranged with the threaded rod 3 as the center.

[0030] The inner wall of the second fixed ring 14 is provided with a second sliding groove 15. The inner wall of the second sliding groove 15 is slidably connected to a first limiting ring 16. The back of the first limiting ring 16 is slidably connected to a second limiting ring 17. The outer wall of the second limiting ring 17 is slidably connected to the inner wall of the second sliding groove 15.

[0031] Gear 18 is rotatably connected to the inner wall of the second fixed ring 14. The left side of the back of gear 18 is meshed with the front of the first limiting ring 16, and gear 2 19 is meshed with the right side of the back of gear 18.

[0032] Gear 2 19 is rotatably connected to the inner wall of fixed ring 2 14 on its right side, and gear 3 20 is meshed with the back of gear 2 19. The outer wall of gear 3 20 is rotatably connected to the inner wall of fixed ring 2 14.

[0033] The gear 18 has an adjustment groove 21 on its front side, and a locking limit block 22 is provided in contact with the inner wall of the adjustment groove 21.

[0034] The front of the second fixing ring 14 has a limiting hole 23, and the inner wall of the limiting hole 23 is in contact with a limiting pin 24. The end of the limiting pin 24 away from the limiting hole 23 is fixedly connected to the back of the locking limiting block 22.

[0035] The implementation principle of the suspension porcelain insulator stress detection device in this embodiment is as follows: By removing the locking limit block 22 outwards, the locking limit block 22 simultaneously causes the limit pin 24 to disengage from the limit hole 23 and the adjusting groove 21. Then, using a special adjusting handle, gear 18 is rotated. Gear 18 engages limit ring 16, causing limit ring 16 to slide along the sliding groove 25, thus increasing the portion of limit ring 16 disengaged from the fixed ring 24. Simultaneously, gear 18 engages gear 29, gear 29 engages gear 30, and gear 320 engages limit ring 27 from the front, causing limit ring 27 to also slide along the sliding groove 25. The portion of the second limiting ring 17 detached from the second fixed ring 14 increases. When the ends of the first limiting ring 16 and the second limiting ring 17 away from the second fixed ring 14 intersect, the suspension porcelain insulator 9 is limited. Then, the locking limiting block 22 is pressed in along the adjusting groove 21 and the limiting hole 23, thereby limiting the gear 18. This prevents the position of the first limiting ring 16 and the second limiting ring 17 from changing due to the pulling of the suspension porcelain insulator 9 during the stress test. This limiting method is simple and convenient to operate, applicable to different suspension porcelain insulators 9, and safe and stable during the test. It can be used for suspension porcelain insulators 9 in different directions. The connecting shaft 13 is rotated to achieve docking. Then, the drive motor 2 is operated, and the output end of the drive motor 2 rotates the threaded rod 3, causing the connecting fixing seat 4 to move to the left along the outer wall of the threaded rod 3. At the same time, the connecting fixing seat 4 slides along the guide groove 5 opened on the support seat 1 to ensure the stability of the traveling direction of the connecting fixing seat 4. Simultaneously, the connecting fixing seat 4 drives the connecting block 7, the connecting block 7 drives the fixing ring 8, the fixing ring 8 pulls the left side of the suspension porcelain insulator 9, and at the same time, the right side of the suspension porcelain insulator 9 pulls the second fixing ring 14, the second fixing ring 14 pulls the slider 11, so that the left side of the slider 11 presses against the right side of the force sensor 12. Then, by continuously rotating the threaded rod 3... This causes the connecting fixing seat 4 to move further away from the force sensor 12. As a result, while the left side of the suspension porcelain insulator 9 is pulled by the fixing ring 8, the right side of the suspension porcelain insulator 9 pulls the fixing ring 14. The right side of the fixing ring 14 pulls the slider 11 to continuously apply pressure to the force sensor 12. The value reflected by the force sensor 12 is displayed on the screen of the control box 6, thus determining the stress on the suspension porcelain insulator 9. This completes the stress detection of the suspension porcelain insulator 9. The use of the threaded rod 3 allows the stress on the suspension porcelain insulator 9 to rise slowly, which can improve the accuracy of stress detection of the suspension porcelain insulator 9.

[0036] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A stress detection device for suspension porcelain insulators, characterized in that, The system includes a support base (1), a drive motor (2) fixedly connected to the inner wall of the support base (1), a threaded rod (3) fixedly connected to the output end of the drive motor (2), the outer wall of the threaded rod (3) rotatably connected to the inner wall of the support base (1), a connecting fixing seat (4) threadedly connected to the outer wall of the threaded rod (3), a guide groove (5) opened on the surface of the support base (1), the outer wall of the connecting fixing seat (4) slidably connected to the inner wall of the guide groove (5), a control box (6) fixedly connected to the top right side of the support base (1), and a connecting block (7) fixedly connected to the right side of the connecting fixing seat (4). A fixing ring (8) is provided in contact with the wall. A suspension porcelain insulator (9) is provided in contact with the right side of the fixing ring (8). A sliding groove (10) is provided on the inner wall of the control box (6). A slider (11) is slidably connected to the inner wall of the sliding groove (10). A force sensor (12) is fixedly connected to the left side of the inner wall of the sliding groove (10). The left side of the slider (11) is in contact with the right side of the force sensor (12). A connecting shaft (13) is rotatably connected to the left side of the slider (11). A second fixing ring (14) is provided in contact with the inner wall of the connecting shaft (13). The outer wall of the second fixing ring (14) is in contact with the right side of the suspension porcelain insulator (9).

2. The stress detection device for suspension porcelain insulators as described in claim 1, characterized in that: Two guide grooves (5) are provided, and the two guide grooves (5) are symmetrically arranged with the threaded rod (3) as the center.

3. The stress detection device for suspension porcelain insulators as described in claim 1, characterized in that: The inner wall of the fixed ring 2 (14) is provided with a sliding groove 2 (15), the inner wall of the sliding groove 2 (15) is slidably connected to the limiting ring 1 (16), the back of the limiting ring 1 (16) is slidably connected to the limiting ring 2 (17), and the outer wall of the limiting ring 2 (17) is slidably connected to the inner wall of the sliding groove 2 (15).

4. The stress detection device for suspension porcelain insulators as described in claim 3, characterized in that: The inner wall of the second fixed ring (14) is rotatably connected to the first gear (18), the back left side of the first gear (18) is meshed with the front of the first limiting ring (16), and the back right side of the first gear (18) is meshed with the second gear (19).

5. The stress detection device for suspension porcelain insulators as described in claim 4, characterized in that: The right side of the second gear (19) is rotatably connected to the inner wall of the second fixed ring (14), and the back side of the second gear (19) is meshed with the third gear (20), and the outer wall of the third gear (20) is rotatably connected to the inner wall of the second fixed ring (14).

6. The stress detection device for suspension porcelain insulators as described in claim 5, characterized in that: The gear (18) has an adjustment groove (21) on its front side, and a locking limit block (22) is provided in contact with the inner wall of the adjustment groove (21).

7. The stress detection device for suspension porcelain insulators as described in claim 6, characterized in that: The fixed ring 2 (14) has a limiting hole (23) on its front side. A limiting pin (24) is provided in contact with the inner wall of the limiting hole (23). The end of the limiting pin (24) away from the limiting hole (23) is fixedly connected to the back of the locking limiting block (22).

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