Anti-torque composite strain insulator

Abstract

The utility model relates to an anti-torque composite strain insulator, and belongs to the technical field of insulators. Comprising an insulator body, a connecting column is fixedly connected to the upper end face of the insulator body, a movable cavity is formed in the upper end face of the connecting column, a fixed block is fixedly connected to the inner bottom wall of the movable cavity, a circular ring is fixedly connected to the fixed block, a sliding block is slidably connected to the circular ring, and the outer surface of the circular ring is sleeved with two symmetrical first buffer springs; a cable is fixed through a fixing cylinder, in the twisting process of the cable, a positioning block and a stabilizing block drive a connecting plate to rotate, and through rotation of the connecting plate, a rotating column drives a connecting frame and a sliding block to interact on a circular ring, extrudes a first buffer spring on one side of the sliding block and drives the other first buffer spring to stretch; therefore, buffering in the horizontal direction is achieved, cable breakage caused by the fact that the twisting amplitude of the cable is too large is prevented, and the use safety of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulators, in particular to an anti-torque composite strain insulator. Background Technique

[0002] An insulator is a device installed between conductors at different potentials or between a conductor and a grounding member, which can withstand voltage and mechanical stress. There are many types of insulators with various shapes. Although the structures and outer shapes of different types of insulators vary greatly, they are all composed of two major parts: an insulating part and a connecting fitting.

[0003] The existing Chinese utility model patent CN220933841U discloses an anti-torque composite strain insulator, which includes an insulator body. A first support member that can damply rotate on a horizontal plane is fixedly connected to the top of the insulator body. A second support member that can damply swing on a vertical plane is fixedly installed on the top of the support member. A cable connection mechanism is fixedly connected to the top of the second support member. The utility model relates to the technical field of insulators. The utility model solves the problem that a cable fitting directly fixes a cable at the top of the insulator. Under the action of wind, the cable will swing, and after long-term swinging, the connection between the cable and the insulator will be worn.

[0004] Based on the retrieval of the above patent and the combination with insulators in the prior art, it is found that when the above insulator is used, through the cooperation of the first spring and the second spring, buffering in the horizontal and vertical directions is achieved. However, in the actual use process, insulators are all used outdoors. After rainy weather, the first spring and the second spring will be in direct contact with rainwater, resulting in rust and damage of the first spring and the second spring, losing their functions and affecting the buffering effect, thereby reducing the practicability. Content of the Utility Model

[0005] The purpose of the utility model is to provide an anti-torque composite strain insulator. The cable is fixed by a fixing cylinder. During the twisting process of the cable, the positioning block and the stabilizing block drive the connecting plate to rotate. Through the rotation of the connecting plate, the rotating column drives the connecting frame and the slider to interact on the ring, squeezing the first buffer spring on one side of the slider and stretching the other first buffer spring, thereby realizing buffering in the horizontal direction, preventing the cable from breaking due to excessive twisting amplitude, and improving the safety of cable use.

[0006] To achieve the above object, the utility model provides the following technical solution: An anti-torsion composite strain insulator, comprising an insulator body, a connecting column is fixedly connected to the upper end surface of the insulator body, an activity cavity is opened on the upper end surface of the connecting column, a fixed block is fixedly connected to the inner bottom wall of the activity cavity, a circular ring is fixedly connected to the fixed block, a slider is slidably connected to the circular ring, two symmetrically arranged first buffer springs are sleeved on the outer surface of the circular ring, and two ends of the first buffer springs are respectively fixedly connected to the fixed block and the slider. One side of the slider is fixedly connected to a connecting frame, a rotating column is fixedly connected to the central position of the connecting frame, the rotating column is rotatably connected to the connecting column, a connecting plate is fixedly connected to the upper end surface of the rotating column, a stabilizing block is fixedly connected to the upper end surface of the connecting plate, a sliding groove and a buffer groove are respectively opened in the stabilizing block, a sliding block is slidably connected in the sliding groove, a positioning block is fixedly connected to the upper end surface of the sliding block, and a fixed cylinder is fixedly connected to the upper end surface of the positioning block.

[0007] The beneficial effect of the utility model is that: by using the fixed cylinder, the cable can be fixed. With the rotation of the connecting plate, the connecting plate drives the rotating column and the connecting frame to rotate, thereby controlling the slider to slide on the circular ring, squeezing one of the first buffer springs, and stretching the other first buffer spring, so as to buffer the movement of the slider, prevent the cable from twisting too much, resulting in the problem of cable breakage, and at the same time, improve the service life of the insulator.

[0008] In order to buffer the fixed cylinder and prevent the torsion amplitude from being too large;

[0009] As a further improvement of the above technical solution: an arc-shaped rod is arranged in the buffer groove, the arc-shaped rod is fixedly connected to the stabilizing block, a moving block is slidably connected to the arc-shaped rod, the moving block is fixedly connected to the sliding block, and two symmetrically arranged second buffer springs are sleeved on the outer surface of the arc-shaped rod, and two ends of the second buffer springs are respectively fixedly connected to the stabilizing block and the moving block.

[0010] The beneficial effect of this improvement is that: by sliding the moving block on the arc-shaped rod, the sliding block can be limited to prevent the sliding block from separating from the stabilizing block. At the same time, with the use of two second buffer springs, the sliding amplitude of the sliding block can be buffered to prevent the cable from twisting too much.

[0011] In order to buffer the sliding block;

[0012] As a further improvement of the above technical solution: a pressing block is movably connected to the inner wall of the fixed cylinder, a V-shaped groove is opened on the lower end surface of the pressing block, and a plurality of uniformly distributed tooth blocks are arranged at the V-shaped groove.

[0013] The beneficial effects of this improvement are as follows: By using the pressing block and the V-shaped groove, the cable can be positioned. With the use of several tooth blocks, the cable is made stable enough to ensure the stable connection between the cable and the fixed cylinder, prevent the cable from loosening, and ensure the stability of cable use.

[0014] In order to fix the cable;

[0015] As a further improvement of the above technical solution: A rotating groove is provided on the upper end surface of the pressing block. A rotating shaft is rotatably connected in the rotating groove. The upper end surface of the rotating shaft is fixedly connected with an adjusting screw rod, and the adjusting screw rod is screwed with the fixed cylinder.

[0016] The beneficial effects of this improvement are as follows: By rotating the adjusting screw rod, it can be screwed with the fixed cylinder, thereby driving the pressing block to move up and down, facilitating the fixation of the cable by the pressing block.

[0017] In order to adjust the use position of the pressing block;

[0018] As a further improvement of the above technical solution: Two symmetrically arranged guide rods are fixedly connected to the upper end surface of the stabilizing block, and the guide rods are slidably connected with the fixed cylinder.

[0019] The beneficial effects of this improvement are as follows: By using the guide rods, the pressing block can be guided to ensure that the pressing block remains stable during movement and does not twist randomly, enabling better fixation of the cable.

[0020] In order to guide the pressing block;

[0021] As a further improvement of the above technical solution: A ring groove is provided on the inner wall of the movable cavity. A rotating ring is rotatably connected in the ring groove, and the rotating ring is fixedly connected with the connecting plate.

[0022] The beneficial effects of this improvement are as follows: By using the ring groove and the rotating ring, it can ensure that the connecting plate rotates while keeping the connecting plate stable enough without skewing or shaking, improving the stability of the connecting plate.

[0023] In order to support and limit the connecting plate;

[0024] As a further improvement of the above technical solution: An adjusting knob is fixedly connected to the end of the adjusting screw rod away from the rotating column.

[0025] The beneficial effects of this improvement are as follows: The adjusting knob can facilitate the rotation of the adjusting screw rod, making it convenient to adjust the pressing block and improving the convenience of use.

[0026] In order to rotate the adjusting screw rod. Description of the Drawings

[0027] Figure 1 Schematic three - dimensional structure of the present utility model Figure 1 ;

[0028] Figure 2 Upper view of the present utility model;

[0029] Figure 3 For the present utility model Figure 2 Three - dimensional sectional view at A - A in the present utility model;

[0030] Figure 4 For the present utility model Figure 3 Enlarged view at A in the present utility model;

[0031] Figure 5 For the present utility model Figure 4 Enlarged view at B in the present utility model;

[0032] Figure 6 For the present utility model Figure 4 Enlarged view at C in the present utility model;

[0033] Figure 7 For the present utility model Figure 4 Enlarged view at D in the present utility model;

[0034] Figure 8 Schematic three - dimensional structure of the present utility model Figure 2 ;

[0035] Figure 9 Schematic three - dimensional structure of the present utility model Figure 3 .

[0036] In the figure, 1. Insulator body; 11. Connecting column; 12. Activity cavity; 13. Fixed block; 14. Ring; 15. Slide block; 16. First buffer spring; 17. Connecting frame; 18. Rotating column; 19. Connecting plate; 20. Stabilizing block; 21. Slide groove; 22. Buffer groove; 23. Sliding block; 24. Positioning block; 25. Fixed cylinder; 31. Arc rod; 32. Moving block; 33. Second buffer spring; 41. Pressing block; 42. V - shaped groove; 43. Tooth block; 51. Rotating groove; 52. Rotating shaft; 53. Adjusting screw; 61. Guide rod; 71. Ring groove; 72. Rotating ring; 81. Adjusting knob. Detailed implementation manners

[0037] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0038] As Figures 1 to 9As shown in the figure, a torque-resistant composite strain insulator provided by an embodiment of the present utility model includes an insulator body 1. A connecting column 11 is fixedly connected to the upper end surface of the insulator body 1. An activity cavity 12 is opened on the upper end surface of the connecting column 11. A fixed block 13 is fixedly connected to the inner bottom wall of the activity cavity 12. A circular ring 14 is fixedly connected to the fixed block 13. A slider 15 is slidably connected to the circular ring 14. Two symmetrically arranged first buffer springs 16 are sleeved on the outer surface of the circular ring 14. Two ends of the first buffer springs 16 are respectively fixedly connected to the fixed block 13 and the slider 15. By sliding the slider 15 on the circular ring 14, one of the first buffer rod springs can be squeezed, and the other first buffer spring 16 is stretched. A connecting frame 17 is fixedly connected to one side of the slider 15. A rotating column 18 is fixedly connected to the central position of the connecting frame 17. The rotating column 18 is rotatably connected to the connecting column 11. A connecting plate 19 is fixedly connected to the upper end surface of the rotating column 18. A stabilizing block 20 is fixedly connected to the upper end surface of the connecting plate 19. A sliding groove 21 and a buffer groove 22 are respectively opened in the stabilizing block 20. A sliding block 23 is slidably connected in the sliding groove 21. A positioning block 24 is fixedly connected to the upper end surface of the sliding block 23. A fixing cylinder 25 is fixedly connected to the upper end surface of the positioning block 24. The twisting of the fixing cylinder 25 drives the stabilizing block 20 and the connecting plate 19 to rotate, and cooperates with the two first buffer springs 16 to perform buffering, preventing the twisting amplitude of the fixing cylinder 25 from being too large and causing damage to the cable and the insulator. An arc-shaped rod 31 is arranged in the buffer groove 22. The arc-shaped rod 31 is fixedly connected to the stabilizing block 20. A moving block 32 is slidably connected to the arc-shaped rod 31. The moving block 32 is fixedly connected to the sliding block 23. Two symmetrically arranged second buffer springs 33 are sleeved on the outer surface of the arc-shaped rod 31. Two ends of the second buffer springs 33 are respectively fixedly connected to the stabilizing block 20 and the moving block 32. The cooperation of the two second buffer springs 33 and the movement of the moving block 32 can buffer the sliding block 23, prevent the sliding block 23 from separating from the stabilizing block 20, and buffer the sliding block 23 at the same time, realizing the buffering of the fixing cylinder 25 in the vertical direction. A pressing block 41 is movably connected to the inner wall of the fixing cylinder 25. A V-shaped groove 42 is opened on the lower end surface of the pressing block 41. A plurality of uniformly distributed tooth blocks 43 are arranged at the V-shaped groove 42. A rotating groove 51 is opened on the upper end surface of the pressing block 41. A rotating shaft 52 is rotatably connected in the rotating groove 51. An adjusting screw 53 is fixedly connected to the upper end surface of the rotating shaft 52. The adjusting screw 53 is screwed with the fixing cylinder 25. By rotating the adjusting screw 53, the adjusting screw 53 is screwed with the fixing cylinder 25, and the pressing block 41 is adjusted to make the pressing block 41 contact the cable. With the use of the V-shaped groove 42 and a plurality of tooth blocks 43, the cable is fixed to ensure the stability of the cable during use. Two symmetrically arranged guide rods 61 are fixedly connected to the upper end surface of the stabilizing block 20. The guide rods 61 are slidably connected to the fixing cylinder 25. The two guide rods 61 can guide the pressing block 41 to ensure that the pressing block 41 is more stable during the adjustment movement and will not deviate or shake. An annular groove 71 is opened on the inner wall of the activity cavity 12.A rotating ring 72 is rotatably connected within the annular groove 71. The rotating ring 72 is fixedly connected to the connecting plate 19. The use of the annular groove 71 and the rotating ring 72 can limit the connecting plate 19, ensuring that the connecting plate 19 is sufficiently stable during rotation. One end of the adjusting screw 53 away from the rotating column 18 is fixedly connected with an adjusting knob 81. The adjusting knob 81 can rotate the adjusting screw 53, facilitating rotational adjustment.

[0039] The working principle and usage process of the present utility model: When in use, the cable is threaded through the fixed cylinder 25. By rotating the adjusting knob 81, the adjusting screw 53 is screwed with the fixed cylinder 25, driving the pressing block 41 to move downward. With the use of the V-shaped groove 42 and several tooth blocks 43 on the pressing block 41, the cable is tightly fixed. When the cable is twisted under force, the connecting plate 19 drives the rotating column 18 and the connecting frame 17 to rotate, and the slider 15 rotates accordingly, pressing one of the first buffer springs 16, and stretching the other first buffer spring 16, thereby achieving horizontal buffering. The sliding block 23 slides within the sliding groove 21, driving the moving block 32 to move on the arc-shaped rod 31, squeezing one of the second buffer springs 33, and stretching the other second buffer spring 33, achieving vertical buffering, which can well protect the cable and prevent excessive twisting amplitude, thus realizing the usage process of the entire anti-torque composite strain insulator.

[0040] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A torque-resistant composite tension insulator, comprising an insulator body (1), characterized in that: The upper end surface of the insulator body (1) is fixedly connected to a connecting column (11), the upper end surface of the connecting column (11) is provided with an active cavity (12), a fixing block (13) is fixedly connected to the inner bottom wall of the active cavity (12), a circular ring (14) is fixedly connected to the fixing block (13), and a sliding block (15) is slidably connected to the circular ring (14); The outer surface of the circular ring (14) is sleeved with two symmetrical first buffer springs (16), the two ends of the first buffer spring (16) are fixedly connected to the fixed block (13) and the sliding block (15) respectively, one side of the sliding block (15) is fixedly connected with a connecting frame (17), the center position of the connecting frame (17) is fixedly connected with a rotating column (18), the rotating column (18) is rotatably connected to the connecting column (11), the upper end surface of the rotating column (18) is fixedly connected with a connecting plate (19), the upper end surface of the connecting plate (19) is fixedly connected with a stabilizing block (20), the stabilizing block (20) is respectively provided with a sliding groove (21) and a buffer groove (22), the sliding groove (21) is slidably connected with a sliding block (23), the upper end surface of the sliding block (23) is fixedly connected with a positioning block (24), and the upper end surface of the positioning block (24) is fixedly connected with a fixing cylinder (25).

2. The torque-resistant composite tension insulator according to claim 1, characterized in that: An arc rod (31) is arranged in the buffer groove (22), the arc rod (31) is fixedly connected to the stabilizing block (20), a moving block (32) is slidably connected to the arc rod (31), the moving block (32) is fixedly connected to the sliding block (23), and two symmetrical second buffer springs (33) are sleeved on the outer surface of the arc rod (31), and two ends of the second buffer spring (33) are respectively fixedly connected to the stabilizing block (20) and the moving block (32).

3. The torque-resistant composite tension insulator according to claim 1, characterized in that: A pressing block (41) is movably connected to the inner wall of the fixed cylinder (25), a V-shaped groove (42) is formed on the lower end surface of the pressing block (41), and a plurality of evenly distributed tooth blocks (43) are provided at the V-shaped groove (42).

4. The torque-resistant composite tension insulator according to claim 3, characterized in that: The upper end surface of the pressing block (41) is provided with a rotation groove (51), a rotation shaft (52) is rotatably connected in the rotation groove (51), an adjustment screw (53) is fixedly connected to the upper end surface of the rotation shaft (52), and the adjustment screw (53) is threadedly connected to the fixed cylinder (25).

5. The torque-resistant composite tension insulator according to claim 1, characterized in that: Two symmetrical guide rods (61) are fixedly connected to the upper end surface of the stabilizing block (20), and the guide rods (61) are slidably connected to the fixing cylinder (25).

6. The torque-resistant composite tension insulator according to claim 1, characterized in that: An annular groove (71) is provided on the inner wall of the movable cavity (12), a rotating ring (72) is rotatably connected in the annular groove (71), and the rotating ring (72) is fixedly connected to the connecting plate (19).

7. The torque-resistant composite tension insulator according to claim 4, characterized in that: An end of the adjusting screw rod (53) away from the rotating column (18) is fixedly connected with an adjusting button (81).

Images