High-strength column type electric porcelain insulator for high-voltage line

Abstract

The invention discloses a high-strength column type electric porcelain insulator for a high-voltage line, and relates to the field of electric porcelain insulators. The invention relates to a high-strength column type electric porcelain insulator for a high-voltage line. The high-strength column type electric porcelain insulator comprises a column type electric porcelain insulation main body, a plurality of umbrella skirt bodies fixedly connected to the outer side of the column type electric porcelain insulation main body, a vertical hole formed in the lower end face of the column type electric porcelain insulation main body and a T-shaped block fixedly connected to the upper end face of the column type electric porcelain insulation main body. By adjusting the first rotating ring and the circular ring to move, the multiple T-shaped columns can make contact with the upper end of the bolt, no matter what state the bolt is in after being tightened, the lower ends of part of the T-shaped columns make close contact with the multiple edges of the top of the bolt, that is, rotation limiting is conducted on the bolt, and the bolt is prevented from being damaged. Therefore, the base and other high-voltage line elements can be stably installed in a matched mode, bolt loosening caused by external vibration is avoided, and safe operation of a high-voltage line is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of porcelain insulators, and particularly to a high-strength post-type porcelain insulator for high-voltage lines. Background Technology

[0002] High-strength column-type porcelain insulators for high-voltage lines are core insulation support components for high-voltage overhead transmission lines and substations. They are specifically designed to fix and support conductors in high-voltage environments and achieve reliable insulation between the conductor and the grounding structure. They are used in the erection of high-voltage lines, installed on transmission towers to support and fix high-voltage conductors, achieving insulation isolation between the conductor and the tower. Alternatively, they are used in substation power distribution equipment for the support and insulation of busbars, disconnect switches, and other equipment, ensuring the safe operation of high-voltage equipment inside the substation.

[0003] The existing high-strength post-type porcelain insulators used in high-voltage lines are not used in indoor environments. If they are placed on the roadside, every time a vehicle passes by, vibration will be generated. Over time, this will cause the bolts at the mounting base of the post-type porcelain insulator to loosen when they are installed with other high-voltage line components. This will affect the stability of the insulator, and in severe cases, it may cause the insulator to tilt or shift, or even cause grounding or short-circuit faults in the line, thus failing to guarantee the safe operation of the high-voltage line.

[0004] Therefore, it is necessary to propose a high-strength post-type porcelain insulator for high-voltage lines to solve the above problems. Summary of the Invention

[0005] The main objective of this invention is to provide a high-strength post-type porcelain insulator for high-voltage lines, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A high-strength post-type porcelain insulator for high-voltage lines includes a post-type porcelain insulator body, multiple awnings fixedly connected to the outside of the post-type porcelain insulator body, a vertical hole opened on the lower end face of the post-type porcelain insulator body, and T-shaped blocks fixedly connected to the upper end face of the post-type porcelain insulator body. An arc-shaped clamping block is fixedly connected to one end of the two T-shaped blocks away from the post-type porcelain insulator body. The surface of the arc-shaped clamping block is symmetrically provided with mounting grooves. The groove walls of the two mounting grooves are provided with positioning mechanisms for installing and positioning the wires. The lower end of the post-type porcelain insulator body is provided with a connection mechanism for cooperating with other high-voltage line components for installation. The positioning mechanism includes a rotating block rotatably connected to the wall of the mounting groove. First spring pieces are symmetrically fixedly connected to the surface of the rotating block. The ends of the two first spring pieces away from the rotating block are fitted with the wall of the arc-shaped groove. A top block is provided between the two arc-shaped grooves. Second spring pieces are symmetrically fixedly connected to the lower surface of the top block. The ends of the multiple second spring pieces away from the top block are fixedly connected to the arc-shaped clamping block. A movable sleeve is slidably connected to the wall of the vertical hole. An adjusting column is slidably connected inside the movable sleeve. The upper end of the adjusting column is fixedly connected to the top block. The connecting mechanism includes a base fixedly connected to the lower end of the column-type porcelain insulator body. The upper surface of the base has through holes evenly distributed in a ring. Bolts are installed on the walls of the through holes. Connecting rods are symmetrically fixedly connected to the surface of the movable sleeve near the base. The ends of the two connecting rods away from the movable sleeve are fixedly connected to a ring. A first rotating ring is rotatably connected to the outer side of the ring. A first rotating column evenly distributed in a ring is rotatably connected to the lower surface of the first rotating ring. Multiple column grooves are opened on the surface of the first rotating column. T-shaped columns are slidably connected to the groove walls. A first spring is fixedly connected to the upper end of the T-shaped column. The ends of the multiple T-shaped columns away from the first spring are installed with the top of the bolts.

[0007] Preferably, the upper surface of the first rotating ring is provided with circular holes evenly distributed in a ring, wherein the upper ends of the six T-shaped columns are all fixedly connected to limit rods, the limit rods are slidably connected to the circular holes, the upper surface of the base is rotatably connected to a second rotating ring, and the outer side of the second rotating ring is fixedly connected to protruding columns evenly distributed in a ring, the protruding columns are installed in conjunction with the T-shaped columns.

[0008] Preferably, the first spring is initially in a compressed state.

[0009] Preferably, a second rotating column is rotatably connected to the middle of the surface of the connecting rod, and a circular block is fixedly connected to the end of the second rotating column away from the connecting rod. A locking block is symmetrically fixedly connected to the edge of the surface of the circular block. A first annular block is symmetrically fixedly connected to the upper surface of the base inside the second rotating ring. A fixing plate is fixedly connected to the outer side of the first annular block. A second annular block, coaxially arranged with the first annular block, is fixedly connected to the surfaces of the two fixing plates away from the base. A first arc-shaped groove is uniformly distributed in a ring on the surface of the two first annular blocks near the base. A second arc-shaped groove is uniformly distributed in a ring on the surface of the two second annular blocks near the base. A third arc-shaped groove is symmetrically opened on the surface of the two second annular blocks away from the base. The walls of the two third arc-shaped grooves are rectangular grooves.

[0010] Preferably, an adjusting rod is fixedly connected to one end of the movable sleeve surface near the top block.

[0011] Preferably, an adjusting ring is fixedly connected to one end of the surface of the plurality of first rotating columns near the first rotating ring.

[0012] Preferably, the first arc-shaped groove and the second arc-shaped groove are staggered.

[0013] Preferably, a pad is fixedly connected to the surface of the top block away from the adjusting column.

[0014] Compared with the prior art, the present invention provides a high-strength post-type porcelain insulator for high-voltage lines, which has the following beneficial effects: This high-voltage line uses high-strength post-type porcelain insulators. By adjusting the movement of the first rotating ring and the circular ring, multiple T-shaped posts can contact the upper end of the bolt. Regardless of the bolt's state after tightening, the lower end of some T-shaped posts is in close contact with multiple edges of the bolt top, thus limiting the bolt's rotation. This ensures that the base and other high-voltage line components are installed stably and will not loosen due to external vibrations, thereby ensuring the safe operation of the high-voltage line.

[0015] This high-voltage line uses a high-strength column-type porcelain insulator. After the arc-shaped clamp is installed between the insulator and the wire, the top block is adjusted and moved downwards during this process. The first rotating ring, the circular ring, and the first rotating column all move towards the base. The T-shaped column cooperates with the bolt, and the limiting rod is inserted into the circular hole to limit the rotation of the first rotating ring. At the same time, the clamping and positioning of the porcelain insulator body wire and the rotation limit of the bolt are completed. This does not increase the operation and installation time required during the installation of the column-type porcelain insulator.

[0016] This high-voltage line uses high-strength post-type porcelain insulators. During maintenance and disassembly, only the wires installed on the surface of the arc-shaped clamp need to be removed. Under the elastic force of the second spring and the first spring, multiple T-shaped posts will not separate from the bolts. At this time, the limit rod separates from the round hole. By using a wrench and adjusting ring to adjust one of the first rotating posts, the six bolts will be rotated simultaneously through the transmission of the convex post and the second rotating ring. By adjusting the adjusting rod to continue moving away from the base, the T-shaped posts will separate from the top of the bolts. This saves the time required for disassembly and maintenance, facilitates operation, and improves the efficiency of disassembly and maintenance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is the invention Figure 1 Enlarged view of point A in the middle; Figure 3 This is a partial structural diagram of the movable sleeve and connecting rod of the present invention; Figure 4 This is the invention Figure 3Enlarged view at point B in the middle; Figure 5 This is a partial structural diagram of the circular block of the present invention; Figure 6 This is the invention Figure 5 Enlarged view at point C; Figure 7 This is a partial structural diagram of the T-shaped column of the present invention; Figure 8 This is a partial structural diagram of the first and second annular blocks of the present invention.

[0018] In the diagram: 1. Column-type porcelain insulator body; 11. Umbrella skirt; 12. Vertical hole; 13. T-shaped block; 2. Arc-shaped clamping block; 3. Mounting groove; 4. Positioning mechanism; 41. Rotating block; 42. First spring; 43. Top block; 44. Second spring; 45. Movable sleeve; 451. Adjusting rod; 46. Adjusting column; 5. Connecting mechanism; 51. Base; 511. Second rotating ring; 512. Protruding column; 52. Through hole; 53. Bolt; 54. Connecting rod; 541 542. Second rotating column; 543. Circular block; 544. Locking block; 545. First annular block; 546. Fixing plate; 547. Second annular block; 548. First arc groove; 549. Second arc groove; 540. Third arc groove; 5410. Rectangular groove; 55. Circular ring; 56. First rotating ring; 561. Circular hole; 562. Limiting rod; 57. First rotating column; 571. Adjusting ring; 58. Column groove; 59. T-shaped column; 510. First spring. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0020] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 8 A high-strength post-type porcelain insulator for high-voltage lines includes a post-type porcelain insulator body 1, multiple umbrella skirts 11 fixedly connected to the outside of the post-type porcelain insulator body 1, a vertical hole 12 opened on the lower end face of the post-type porcelain insulator body 1, and T-shaped blocks 13 fixedly connected to the upper end face of the post-type porcelain insulator body 1. An arc-shaped clamping block 2 is fixedly connected to one end of the two T-shaped blocks 13 away from the post-type porcelain insulator body 1. The surface of the arc-shaped clamping block 2 is symmetrically provided with mounting grooves 3. The groove walls of the two mounting grooves 3 are provided with positioning mechanisms 4 for installing and positioning the wires. The lower end of the post-type porcelain insulator body 1 is provided with a connection mechanism 5 for cooperating with other high-voltage line components for installation. The positioning mechanism 4 includes a rotating block 41 rotatably connected to the wall of the mounting groove 3. First spring pieces 42 are symmetrically fixedly connected to the surface of the rotating block 41. The ends of the two first spring pieces 42 away from the rotating block 41 are installed in conjunction with the wall of the arc-shaped groove. A top block 43 is provided between the two arc-shaped grooves. Second spring pieces 44 are symmetrically fixedly connected to the lower surface of the top block 43. The ends of the multiple second spring pieces 44 away from the top block 43 are fixedly connected to the arc-shaped clamping block 2. A movable sleeve 45 is slidably connected to the wall of the vertical hole 12. An adjusting column 46 is slidably connected inside the movable sleeve 45. The upper end of the adjusting column 46 is fixedly connected to the top block 43. The connecting mechanism 5 includes a base 51 fixedly connected to the lower end of the column-type electric porcelain insulation body 1. The upper surface of the base 51 has through holes 52 evenly distributed in a ring. Bolts 53 are installed on the wall of the through holes 52. Connecting rods 54 are symmetrically fixedly connected to the end of the movable sleeve 45 near the base 51. The ends of the two connecting rods 54 away from the movable sleeve 45 are fixedly connected to a ring 55. A first rotating ring 56 is rotatably connected to the outer side of the ring 55. A first rotating column 57 evenly distributed in a ring is rotatably connected to the lower surface of the first rotating ring 56. Multiple column grooves 58 are opened on the surface of the first rotating column 57. T-shaped columns 59 are slidably connected to the groove wall of the column groove 58. A first spring 510 is fixedly connected to the upper end of the T-shaped column 59. The ends of the multiple T-shaped columns 59 away from the first spring 510 are installed with the top of the bolts 53. It should be noted that by adjusting the movement of the first rotating ring 56 and the circular ring 55, multiple T-shaped posts 59 can contact the upper end of the bolt 53. Regardless of the state of the bolt 53 after it is tightened, the lower end of some of the T-shaped posts 59 is in close contact with multiple edges of the top of the bolt 53, which means that the bolt 53 is rotated and limited. This ensures that the base 51 is stably installed with other high-voltage line components and that the bolt 53 will not loosen due to external vibration, thus ensuring the safe operation of the high-voltage line. It should be noted that during the overall installation process, the base 51 is first installed in conjunction with other high-voltage line components. Bolts 53 are inserted into the through holes 52 and tightened sequentially. Then, the wire is placed in the arc-shaped clamp 2. The wire moves from top to bottom, and the two rotating blocks 41 are adjusted and rotated. The first spring 42 deforms, and then the wire contacts the top block 43, causing the top block 43 to move towards the base 51. The second spring 44 deforms, and the first rotating ring 56 and the circular ring 55 both move towards the base 51. The first rotating column 57 and the T-shaped column 59 move together with the circular ring 55. The lower end of the T-shaped column 59 contacts the bolt 53, and the limiting rod 562 is inserted into the circular hole 561 to limit the rotation of the first rotating ring 56. At the same time, the clamping and positioning of the porcelain insulated main wire and the rotation limit of the bolt 53 are completed, without increasing the operation and installation time required during the installation of the column-type porcelain insulator.

[0021] Please see Figure 1 , Figure 5 and Figure 6 The upper surface of the first rotating ring 56 has circular holes 561 evenly distributed in a ring. The upper ends of the six T-shaped posts 59 are all fixedly connected to limit rods 562. The limit rods 562 are slidably connected to the circular holes 561. The upper surface of the base 51 is rotatably connected to the second rotating ring 511. The outer side of the second rotating ring 511 is fixedly connected to protruding posts 512 evenly distributed in a ring. The protruding posts 512 are installed in conjunction with the T-shaped posts 59.

[0022] Please see Figure 4 The first spring 510 is initially in a compressed state; It should be noted that the reaction force generated by the compression of the first spring 510 acts on the surface of the T-shaped column 59, so that the end face of the T-shaped column 59 near the base 51 can be in close contact with the top of the bolt 53. During the adjustment and rotation of the first rotating column 57, the bolt 53 can be stably driven to rotate.

[0023] Please see Figure 7 and Figure 8 A second rotating column 541 is rotatably connected to the middle of the surface of the connecting rod 54. A circular block 542 is fixedly connected to the end of the second rotating column 541 away from the connecting rod 54. A locking block 543 is symmetrically fixedly connected to the edge of the surface of the circular block 542. A first annular block 544 is symmetrically fixedly connected to the upper surface of the base 51 inside the second rotating ring 511. A fixing plate 545 is fixedly connected to the outer side of the first annular block 544. A second annular block 546, coaxially arranged with the first annular block 544, is fixedly connected to the surfaces of the two fixing plates 545 away from the base 51. A first arc-shaped groove 547, evenly distributed in a ring, is opened on the surfaces of the two first annular blocks 544 near the base 51. A second arc-shaped groove 548, evenly distributed in a ring, is opened on the surfaces of the two second annular blocks 546 away from the base 51. A third arc-shaped groove 549 is symmetrically opened on the surfaces of the two second annular blocks 546 away from the base 51. A rectangular groove 5410 is opened on the wall of the two third arc-shaped grooves 549. Please see Figure 3 and Figure 4 An adjusting ring 571 is fixedly connected to one end of the surface of the multiple first rotating columns 57 near the first rotating ring 56; It should be noted that during the disassembly and maintenance process, the disassembly and maintenance personnel only need to use a wrench to adjust one of the adjusting rings 571 to rotate. This will drive the other six first rotating columns 57 to rotate through the transmission of the convex column 512 and the second rotating ring 511. The six bolts 53 can be rotated and adjusted simultaneously, thereby shortening the time required for disassembly and maintenance, facilitating operation, and improving the efficiency of disassembly and maintenance.

[0024] Please see Figure 2The first arc groove 547 and the second arc groove 548 are offset; an adjusting rod 451 is fixedly connected to one end of the surface of the movable sleeve 45 near the top block 43; It should be noted that during the installation of the wire and the two rotating blocks 41, the second rotating column 541 moves together with the connecting rod 54 and the movable sleeve 45. The two locking blocks 543 on the surface of the circular block 542 contact the surfaces of the two third arc-shaped grooves 549 respectively, and relative rotation occurs between the locking blocks 543 and the groove walls of the third arc-shaped grooves 549. The locking blocks 543 pass through the rectangular groove 5410, and the circular block 542 passes through the second annular block 546. The locking blocks 543 and the circular block 542 are positioned between the first annular block 544 and the second annular block 546. The movable sleeve 45 is adjusted to move closer to the base 51 by adjusting the adjusting rod 451. Both the connecting rod 54 and the second rotating column 541 can move together with the movable sleeve 45. When the circular block 542 moves together, the two locking blocks 543 on its surface contact the two first arc-shaped grooves 547 and rotate relative to each other. Adjusting the rotation of the circular block 542, when the circular block 542, the second rotating column 541, and the locking blocks 543 are adjusted to move away from the base 51, the two locking blocks 543 contact the surfaces of the two second arc-shaped grooves 548 and rotate relative to each other. Under the action of the elastic force of the first spring 510, the locking blocks 543 are in close contact with the second arc-shaped grooves 548 and are locked. This limits the circular block 542, the second rotating column 541, the connecting rod 54, and the movable sleeve 45 after adjustment, and also limits the position of the first rotating column 57 after position adjustment, preventing the T-shaped column 59 from separating from the bolt 53. When the whole assembly is disassembled and maintained, simply adjust the adjusting rod 451 again. The movable sleeve 45 and the connecting rod 54 move towards the base 51. The circular block 542 and the second rotating column 541 move towards the base 51 again. The locking block 543 contacts the first arc groove 547 again and rotates relative to it, so that the locking block 543 can be aligned with the rectangular groove 5410 again. As the circular block 542 moves away from the base 51 again, the locking block 543 can move relative to the rectangular groove 5410. The circular block 542 and the locking block 543 leave the space between the first annular block 544 and the second annular block 546, and the T-shaped column 59 can separate from the top of the bolt 53.

[0025] Please see Figure 2 and Figure 3 A pad is fixedly connected to the surface of the top block 43 away from the adjusting column 46; It should be noted that the surface of the pad is covered with a rubber layer, which can adhere tightly to the surface of the wire, so that the wire can be tightly engaged with the two rotating blocks 41 to stably clamp and position the wire.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength post-type porcelain insulator for high-voltage lines, comprising a post-type porcelain insulator body (1), a plurality of awnings (11) fixedly connected to the outside of the post-type porcelain insulator body (1), a vertical hole (12) opened on the lower end face of the post-type porcelain insulator body (1), and a T-shaped block (13) fixedly connected to the upper end face of the post-type porcelain insulator body (1), characterized in that: Two T-shaped blocks (13) are fixedly connected to an arc-shaped clamp (2) at the end away from the column-type porcelain insulation body (1). The arc-shaped clamp (2) has symmetrically opened mounting grooves (3) on its surface. The groove walls of the two mounting grooves (3) are provided with positioning mechanisms (4) for installing and positioning the wires. The lower end of the column-type porcelain insulation body (1) is provided with a connection mechanism (5) for cooperating with other high-voltage line components for installation. The positioning mechanism (4) includes a rotating block (41) rotatably connected to the wall of the mounting groove (3). The rotating block (41) is symmetrically fixedly connected with a first spring piece (42). The ends of the two first spring pieces (42) away from the rotating block (41) are fitted with the wall of the arc-shaped groove. A top block (43) is provided between the two arc-shaped grooves. The lower surface of the top block (43) is symmetrically fixedly connected with a second spring piece (44). The ends of the multiple second spring pieces (44) away from the top block (43) are fixedly connected with an arc-shaped clamping block (2). The wall of the vertical hole (12) is slidably connected with a movable sleeve (45). An adjusting column (46) is slidably connected inside the movable sleeve (45). The upper end of the adjusting column (46) is fixedly connected to the top block (43). The connecting mechanism (5) includes a base (51) fixedly connected to the lower end of the column-type electric porcelain insulator body (1). The upper surface of the base (51) is provided with through holes (52) evenly distributed in a ring. Bolts (53) are installed on the walls of the through holes (52). Connecting rods (54) are symmetrically fixedly connected to one end of the movable sleeve (45) near the base (51). Rings (55) are fixedly connected to one end of the two connecting rods (54) away from the movable sleeve (45). The outer side is rotatably connected to a first rotating ring (56), and the lower surface of the first rotating ring (56) is rotatably connected to a first rotating column (57) that is evenly distributed in a ring. The surface of the first rotating column (57) is provided with multiple column grooves (58). The groove wall of the column groove (58) is slidably connected to a T-shaped column (59). The upper end of the T-shaped column (59) is fixedly connected to a first spring (510). The ends of the multiple T-shaped columns (59) away from the first spring (510) are fitted with the top of the bolt (53) for installation.

2. The high-strength post-type porcelain insulator for high-voltage lines according to claim 1, characterized in that: The upper surface of the first rotating ring (56) is provided with a circular hole (561) evenly distributed in a ring. The upper ends of the six T-shaped columns (59) are fixedly connected to a limiting rod (562). The limiting rod (562) is slidably connected to the circular hole (561). The upper surface of the base (51) is rotatably connected to a second rotating ring (511). The outer side of the second rotating ring (511) is fixedly connected to a protruding column (512) evenly distributed in a ring. The protruding column (512) is installed in conjunction with the T-shaped column (59).

3. A high-strength post-type porcelain insulator for high-voltage lines according to claim 1, characterized in that: The first spring (510) is initially in a compressed state.

4. A high-strength post-type porcelain insulator for high-voltage lines according to claim 1, characterized in that: A second rotating column (541) is rotatably connected to the middle of the surface of the connecting rod (54). A circular block (542) is fixedly connected to one end of the second rotating column (541) away from the connecting rod (54). A locking block (543) is symmetrically fixedly connected to the edge of the surface of the circular block (542). A first annular block (544) is symmetrically fixedly connected to the upper surface of the base (51) inside the second rotating ring (511). A fixing plate (545) is fixedly connected to the outer side of the first annular block (544). The surfaces of the two fixing plates (545) away from the base (51) are fixedly connected to... The second annular block (546) is coaxially arranged with the first annular block (544). The surfaces of the two first annular blocks (544) near the base (51) are provided with first arc-shaped grooves (547) that are evenly distributed in an annular pattern. The surfaces of the two second annular blocks (546) near the base (51) are provided with second arc-shaped grooves (548) that are evenly distributed in an annular pattern. The surfaces of the two second annular blocks (546) away from the base (51) are provided with third arc-shaped grooves (549) symmetrically. The walls of the two third arc-shaped grooves (549) are provided with rectangular grooves (5410).

5. A high-strength post-type porcelain insulator for high-voltage lines according to claim 1, characterized in that: An adjusting rod (451) is fixedly connected to one end of the movable sleeve (45) near the top block (43).

6. A high-strength post-type porcelain insulator for high-voltage lines according to claim 2, characterized in that: An adjusting ring (571) is fixedly connected to one end of the surface of the plurality of first rotating columns (57) near the first rotating ring (56).

7. A high-strength post-type porcelain insulator for high-voltage lines according to claim 4, characterized in that: The first arc-shaped groove (547) and the second arc-shaped groove (548) are offset.

8. A high-strength post-type porcelain insulator for high-voltage lines according to claim 1, characterized in that: A pad is fixedly connected to the surface of the top block (43) away from the adjusting column (46).

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