Suspension insulator

Abstract

The utility model discloses a suspension insulator, which belongs to the technical field of power transmission line insulation and comprises a suspension insulator body, a connector is fixedly connected to the middle of the bottom end of the suspension insulator body, and a conical block is integrally formed at the bottom end of the connector. A large bowl head is fixedly connected to the middle of the top end of the suspension insulator body, a connecting piece is detachably connected to the upper portion of the large bowl head, a spring can be compressed and deformed through a limiting base, and when the plane of a conical block is located below the plane of a clamping block, the clamping block is pushed out through the elastic acting force of the spring; according to the utility model, the clamping block is arranged on the conical block, and the baffle ring is abutted against the limiting seat to limit the clamping block, so that the plane of the clamping block corresponds to the plane of the conical block, the two suspension insulator bodies can be quickly combined together, and the connecting piece and the connecting sleeve are respectively connected with the upper suspension insulator body and the lower suspension insulator body in the same way. And the operation is very convenient in a high-altitude operation process.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission line insulation, and more specifically to a suspension insulator. Background Art

[0002] Insulators are a special type of insulating control that can play an important role in overhead transmission lines. There are many types of insulators with different shapes. Among them, suspension insulators, as one of the important equipment for transmission lines, are responsible for the important tasks of suspending conductors and insulating towers. Suspension porcelain insulators are used in high-voltage, ultra-high-voltage and ultra-high-voltage transmission lines, providing reliable protection for the safe operation of transmission lines.

[0003] When the existing suspension insulator is set near a chemical plant, salt dirt is easily accumulated on the surface. If it encounters humid weather such as rain, snow, fog, etc., the surface dirt is easy to form a conductive electrolyte channel, and the wire current will flow into the ground through the channel, causing a phase-to-ground short circuit accident. There is an existing patent for a suspension insulator. The outer peripheral surface of the first shed is larger than the outer peripheral surfaces of the second shed and the third shed, which can effectively reduce the dirt on the second shed and the third shed, ensuring the creepage distance of the insulator in a humid environment. Moreover, the first shed is easier to clean than the second shed and the third shed. In heavy rain, part of the dirt on the first shed can be washed away, thereby improving the self-cleaning ability and anti-fouling ability of the insulator.

[0004] However, during the assembly process of the suspension insulators in patent authorization number CN217788103U, it is necessary to connect the large bowl head at the top of the insulator with the Q head at the bottom, and then install the M pin on the inner side of the large bowl head and knock it. The operation is very inconvenient during high-altitude operations. In order to facilitate the assembly and connection of the suspension insulators, we propose a suspension insulator to solve the above-mentioned problems. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a suspension insulator, which can use a limit seat to compress and deform a spring. When the plane of the conical block is located below the plane of the clamping block, the clamping block is pushed out by the elastic force of the spring, and the clamping block is limited by abutting the limit ring and the limit seat, so that the plane of the clamping block corresponds to the plane of the conical block, so that two suspension insulator bodies can be quickly combined together, and the connecting piece and the connecting sleeve are respectively connected to the upper and lower suspension insulator bodies in the same way, which is very convenient to operate during high-altitude operations.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A suspension insulator comprises a suspension insulator body, a connector is fixedly connected to the middle of the bottom end of the suspension insulator body, and a conical block is integrally formed at the bottom end of the connector;

[0010] A large bowl head is fixedly connected to the middle of the top of the suspension insulator body;

[0011] A connecting piece is detachably connected to the upper side of the large bowl head;

[0012] A connecting sleeve is detachably connected to the lower part of the connecting head;

[0013] The outer walls of the large bowl head and the connecting sleeve are symmetrically provided with a cylindrical storage cavity in radial direction, and retaining rings are installed at both ends of the storage cavity. The inner side of the storage cavity is slidably connected to the limited position seat, and a spring is also installed on the inner side of the storage cavity. A clamping block is integrally formed on the surface of the limited position seat away from the spring, and a guiding inclined surface is arranged at the clamping block;

[0014] The connecting piece and the outer wall of the connecting sleeve are both fixedly connected with a connecting ring.

[0015] Furthermore, the bottom end of the connecting piece is arranged in a conical structure, and the outer diameter of the bottom end of the connecting piece is adapted to the inner diameter of the large bowl head.

[0016] Furthermore, the plane portion of the conical structure at the bottom end of the connecting piece abuts against the plane of the block arranged on the inner side of the large bowl head at the top.

[0017] Furthermore, one end of the spring abuts against the limit seat, and the other end of the spring abuts against the retaining ring away from the limit seat.

[0018] Furthermore, a pull rod is installed on the surface of the limiting seat away from the clamping block, and the pull rod passes through the spring and extends to the outside of the storage cavity.

[0019] Furthermore, a plane disposed on the top of the conical block abuts against a plane of the clamping block disposed on the inner side of the large bowl head.

[0020] Furthermore, the plane of the clamping block disposed on the inner side of the connecting sleeve abuts against the plane disposed on the top end of the conical block at the bottom.

[0021] 3. Beneficial effects

[0022] Compared with the prior art, the advantages of the present invention are:

[0023] (1) In this scheme, the connection heads of the two suspension insulator bodies are connected to the large bowl heads, the conical block is inserted into the inner side of the large bowl heads, the inclined surface of the conical block is abutted against the inclined surface of the clamping block, the clamping block is pressed into the inner side of the storage cavity, and the spring is compressed and deformed by the limit seat. When the plane of the conical block is below the plane of the clamping block, the clamping block is pushed out by the elastic force of the spring, and the retaining ring is abutted against the limit seat to limit the clamping block, so that the plane of the clamping block corresponds to the plane of the conical block, so that the two suspension insulator bodies can be quickly combined together, and the connecting piece and the connecting sleeve are respectively connected to the upper and lower suspension insulator bodies in the same way, which is very convenient to operate during high-altitude operations.

[0024] (2) In this solution, the pull rod is used to pull the limit seat to move and compress the spring to deform, thereby facilitating the disassembly and replacement of the suspension insulator body, the connector and the connecting sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2 It is a schematic diagram of the disassembly of the utility model;

[0027] Figure 3 It is a front view schematic diagram of the suspension insulator body of the utility model;

[0028] Figure 4 It is a schematic cross-sectional view of the AA part of the suspension insulator body of the utility model;

[0029] Figure 5 It is an enlarged schematic diagram of part A of the utility model;

[0030] Figure 6 It is a side view schematic diagram of the connecting sleeve of the utility model;

[0031] Figure 7 It is a schematic cross-sectional view of the connecting sleeve BB part of the utility model.

[0032] Description of the numbers in the figure:

[0033] 1. Suspension insulator body; 2. Connector; 3. Conical block; 4. Large bowl head; 5. Storage cavity; 6. Retaining ring; 7. Limit seat; 8. Block; 9. Spring; 10. Pull rod; 11. Connector; 12. Connecting sleeve; 13. Connecting ring. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0035] Example:

[0036] See also Figure 1-7 A suspension insulator comprises a suspension insulator body 1, a connector 2 is fixedly connected to the middle of the bottom end of the suspension insulator body 1, and a conical block 3 is integrally formed at the bottom end of the connector 2;

[0037] A large bowl head 4 is fixedly connected to the middle of the top of the suspension insulator body 1;

[0038] A connecting piece 11 is detachably connected to the top of the large bowl head 4;

[0039] A connecting sleeve 12 is detachably connected to the lower part of the connecting head 2;

[0040] The outer walls of the large bowl head 4 and the connecting sleeve 12 are symmetrically provided with a cylindrical storage cavity 5 in radial direction, and retaining rings 6 are installed at both ends of the storage cavity 5. The inner side of the storage cavity 5 is slidably connected to a limited position seat 7, and a spring 9 is also installed on the inner side of the storage cavity 5. A clamping block 8 is integrally formed on the surface of the limited position seat 7 away from the spring 9, and a guiding inclined surface is provided at the clamping block 8;

[0041] The outer walls of the connecting piece 11 and the connecting sleeve 12 are both fixedly connected with a connecting ring 13;

[0042] It should be noted that when the suspension insulator is in use, the connection heads 2 of the two suspension insulator bodies 1 are connected to the large bowl heads 4, the tapered block 3 is inserted into the inner side of the large bowl head 4, the inclined surface of the tapered block 3 is abutted against the inclined surface of the clamping block 8, the clamping block 8 is pressed into the inner side of the storage cavity 5, and the limit seat 7 is used to compress and deform the spring 9. When the plane of the tapered block 3 is located below the plane of the clamping block 8, the elastic force of the spring 9 is used to push the clamping block 8 out, and the retaining ring 6 is used to abut against the limit seat 7 to limit the clamping block 8, so that the plane of the clamping block 8 corresponds to the plane of the tapered block 3, so that the two suspension insulator bodies 1 can be quickly combined together, and the connecting piece 11 and the connecting sleeve 12 are respectively connected to the upper and lower suspension insulator bodies 1 in the same way, which is very convenient to operate during high-altitude operations.

[0043] like Figure 2 , Figure 5As shown, the bottom end of the connecting member 11 is provided with a conical structure, and the outer diameter of the bottom end of the connecting member 11 is adapted to the inner diameter of the large bowl head 4, and the plane portion of the conical structure provided at the bottom end of the connecting member 11 abuts against the plane of the clamping block 8 provided on the inner side of the large bowl head 4 at the top;

[0044] It should be noted that after the connecting piece 11 is plugged into place, the connecting piece 11 and the large bowl head 4 are quickly connected together.

[0045] like Figure 5 As shown, one end of the spring 9 abuts against the limit seat 7, and the other end of the spring 9 abuts against the retaining ring 6 away from the limit seat 7;

[0046] It should be noted that utilizing the elastic force of the spring 9 to move and reset the limit seat 7 is beneficial to the connection between the workpieces.

[0047] like Figure 5 As shown, a pull rod 10 is installed on the surface of the limit seat 7 away from the block 8, and the pull rod 10 passes through the spring 9 and extends to the outside of the storage cavity 5, the plane set on the top of the conical block 3 abuts against the plane of the block 8 set on the inner side of the large bowl head 4, and the plane of the block 8 set on the inner side of the connecting sleeve 12 abuts against the plane set on the top of the bottom conical block 3;

[0048] It should be noted that by using the pull rod 10 to pull the limit seat 7 to move and compress the spring 9 to deform, the suspension insulator body 1, the connecting piece 11 and the connecting sleeve 12 are easily disassembled and replaced.

[0049] When in use: by connecting the connecting heads 2 of the two suspension insulator bodies 1 with the large bowl heads 4, the conical block 3 is inserted into the inner side of the large bowl heads 4, and the inclined surface of the conical block 3 is abutted against the inclined surface of the clamping block 8, the clamping block 8 is pressed into the inner side of the storage cavity 5, and the spring 9 is compressed and deformed by the limiting seat 7. When the plane of the conical block 3 is located below the plane of the clamping block 8, the clamping block 8 is pushed out by the elastic force of the spring 9, and the retaining ring 6 is abutted against the limiting seat 7 to limit the clamping block 8, so that the plane of the clamping block 8 corresponds to the plane of the conical block 3, so that the two suspension insulator bodies 1 can be quickly combined together, and the connecting piece 11 and the connecting sleeve 12 are respectively connected to the upper and lower suspension insulator bodies 1 in the same way.

[0050] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A suspension insulator, comprising a suspension insulator body (1), characterized in that: A connector (2) is fixedly connected to the middle of the bottom end of the suspension insulator body (1), and a conical block (3) is integrally formed at the bottom end of the connector (2); A large bowl head (4) is fixedly connected to the middle of the top end of the suspension insulator body (1); A connecting piece (11) is detachably connected to the upper portion of the large bowl head (4); A connecting sleeve (12) is detachably connected to the lower portion of the connecting head (2); The outer walls of the large bowl head (4) and the connecting sleeve (12) are symmetrically provided with a cylindrical storage cavity (5) in radial direction, both ends of the storage cavity (5) are provided with retaining rings (6), the inner side of the storage cavity (5) is slidably connected to a limit seat (7), the inner side of the storage cavity (5) is also provided with a spring (9), the surface of the limit seat (7) away from the spring (9) is integrally formed with a clamping block (8), and the clamping block (8) is provided with a guiding inclined surface; The connecting piece (11) and the outer wall of the connecting sleeve (12) are both fixedly connected with a connecting ring (13).

2. A suspension insulator according to claim 1, characterized in that: The bottom end of the connecting piece (11) is provided in a conical structure, and the outer diameter of the bottom end of the connecting piece (11) is adapted to the inner diameter of the large bowl head (4).

3. A suspension insulator according to claim 1, characterized in that: The plane portion of the conical structure provided at the bottom end of the connecting member (11) abuts against the plane of the clamping block (8) provided on the inner side of the large bowl head (4) at the top.

4. A suspension insulator according to claim 1, characterized in that: One end of the spring (9) abuts against the limit seat (7), and the other end of the spring (9) abuts against the retaining ring (6) away from the limit seat (7).

5. A suspension insulator according to claim 1, characterized in that: A pull rod (10) is installed on a surface of the limiting seat (7) away from the clamping block (8), and the pull rod (10) passes through the spring (9) and extends to the outside of the storage cavity (5).

6. A suspension insulator according to claim 1, characterized in that: A plane arranged on the top of the conical block (3) abuts against a plane of the clamping block (8) arranged on the inner side of the large bowl head (4).

7. A suspension insulator according to claim 1, characterized in that: The plane of the clamping block (8) arranged on the inner side of the connecting sleeve (12) abuts against the plane arranged on the top end of the conical block (3) at the bottom.

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