CN111934237A - Insulator shielding cover - Google Patents

Abstract

The invention relates to an insulator shield, which comprises a first cylinder body and a second cylinder body sleeved with each other, a plurality of first grooves arranged on the outer side wall of the first cylinder, and a plurality of first grooves arranged on the outer side wall of the second cylinder. Several second grooves on the upper and lower ends and annular protrusions arranged at the upper and lower ends of the inner wall of the second cylinder; the first cylinder and the second cylinder are both openable and closable structures, and the first cylinder is sleeved on the In the second cylinder, the annular protrusion is matched with the corresponding first groove; the present invention uses several sections of cylinders that are sleeved with each other to shield the insulator, and the annular protrusion and the corresponding outer wall pass between the two adjacent cylinders. The groove of the insulator is clamped and fixed. In actual use, several cylinders can be carried. Matching according to the actual length of the field insulator, several cylinders are sleeved together to realize the adaptability of insulators of different lengths. It is not affected by the insulator specifications and has a wider range of applications.

Description

an insulator shield

technical field

The invention relates to an insulator shield.

Background technique

Insulators are devices installed between conductors of different potentials or between conductors and ground potential components, which can withstand voltage and mechanical stress. It is a special insulation control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used for utility poles, and gradually developed in the high-voltage wire connection tower with a lot of disc-shaped insulators hanging at one end. It is to increase the creepage distance and is usually made of glass or ceramics. The insulator should not be affected by the environment. Otherwise, the insulator will not play a significant role, and it will damage the service and operating life of the entire line.

In order to ensure the safety of operators during live work, it is necessary to use an insulating shield to shield the linear insulator. Most of the existing insulator shields are of fixed length, and each shield is only suitable for fixed-length insulators. It is very inconvenient to carry, and brings a lot of trouble to work.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an insulator shield that can meet the needs of insulators of different lengths.

The technical scheme adopted in the present invention is: an insulator shield, which includes a first cylinder body and a second cylinder body that are sleeved with each other, a plurality of first grooves arranged on the outer side wall of the first cylinder, and a plurality of first grooves arranged on the outer side wall of the first cylinder. Several second grooves on the outer side wall of the second cylinder and annular protrusions arranged at the upper and lower ends of the inner wall side of the second cylinder; the first cylinder and the second cylinder are both openable and closable structures, A cylindrical body is sleeved in the second cylindrical body and the annular protrusion is matched with the corresponding first groove.

Further, the second cylinder includes an upper half cylinder and a lower half cylinder connected by a hinge at one end, and upper and lower annular protrusions corresponding to positions are respectively provided on the inner walls of the upper and lower half cylinders.

Further, the other ends of the upper half cylinder and the lower half cylinder are connected by a quick-release buckle.

Further, limiting protrusions are provided on the outer side walls of the first and second cylindrical bodies, and limiting grooves matching the limiting protrusions are provided on the inner wall of the second cylindrical body.

Further, the top of the limiting protrusion is in an arc shape, and the top of the limiting groove is in a corresponding shape.

Further, the second cylinders are several and are sleeved in sequence, a third cylinder is sleeved on the outer side of the second cylinder, and the inner wall of the third cylinder is also provided with a groove corresponding to the second groove. Fitted annular projection.

Further, annular grooves are provided at both ends of the first cylinder, the second cylinder and the third cylinder. Matching ring block.

Further, a through hole for the insulator to pass through is provided on the cover plate.

Further, a sealing groove is provided on the inner wall of the connection between the upper half cylinder and the lower half cylinder, and a sealing gasket is arranged in the sealing groove, and one end of the sealing gasket is fixed with the upper half cylinder or the lower half cylinder.

Further, the first cylinder body and the second cylinder body are both made of insulating material.

The positive effects of the present invention are:

The invention uses several sections of cylinders that are sleeved with each other to shield the insulator, and the two adjacent cylinders are clamped and fixed by annular protrusions and corresponding grooves on the outer wall, and several cylinders can be carried in actual use. , according to the actual length of the insulator on site, several cylinders are sleeved together to realize the adaptability of insulators of different lengths, which is not affected by the insulator specifications during use, and has a wider range of use.

The cylinder of the present invention adopts a two-half structure, one end is connected by a hinge, and the other end is connected by a quick-release buckle, so that the connection is more convenient and quick.

The two adjacent cylinders are opened through the limit protrusion and the limit groove. The limit protrusion can slide in the limit groove. When the cylinder is opened, it can be moved relative to or opposite to each other by the cylinder. , the overall length of the present invention can be further adjusted. After the adjustment is in place, the two halves of the cylinder are fastened together, so that the annular protrusion is clamped with the corresponding groove to realize the fixation between the two cylinders, so that the length adjustment range is further expand.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the schematic diagram of the second cylinder of the present invention;

3 is a schematic top view of the second cylinder of the present invention;

Figure 4 is a schematic cross-sectional view of the second cylinder of the present invention;

Figure 5 is a schematic cross-sectional view of the first cylinder of the present invention;

FIG. 6 is a schematic diagram of the sealing groove of the present invention.

In the attached drawings,

1- The first cylinder;

2- the second cylinder, 201- upper half cylinder, 202- lower half cylinder, 203- sealing groove;

3- the first groove;

4-annular protrusion, 401-upper annular protrusion, 402-lower annular protrusion;

5- the second groove;

6-limiting groove;

7-Limiting protrusion;

8 - hinge;

9-Quick release buckle;

10 - cover plate;

11 - Annular groove.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

The relative arrangement of components set forth in these embodiments does not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

As shown in Figures 1-6, the present invention includes a first cylinder body 1 and a second cylinder body 2 that are sleeved with each other. When the insulator is long, the number of second cylinder bodies 2 can be several, and they are sleeved with each other, and A third cylindrical body is sleeved outside the topmost second cylindrical body 2 .

A plurality of first grooves 3 surrounding the outer wall of the first cylinder 1 are provided on the outer side wall of the first cylinder 1 , and a plurality of first grooves 3 surrounding the outer wall of the second cylinder 2 are also opened on the outer wall of the second cylinder 2 The second groove 5 around the circumference is provided with annular protrusions 4 at the upper and lower ends of the inner wall of the second cylinder 2. The first cylinder 1, the second cylinder 2 and the third cylinder are all openable and closable structures. When there is only one first cylinder 1 and second cylinder 2, the second cylinder 2 is sleeved on the outside of the first cylinder 1 after being fastened, and the annular protrusion 4 is matched with the corresponding first groove 3, To achieve the limit between the two cylinders. When there are multiple second cylinder bodies 2 , the annular protrusion 4 will cooperate with the corresponding first groove 3 or second groove 5 to realize the position limit between the two cylinder bodies.

As shown in FIG. 3 , the second cylinder 2 includes an upper half cylinder 201 and a lower half cylinder 202 , one end of which is connected by a hinge 8 and the other end is connected by a quick-release buckle 9 . The upper and lower annular protrusions 401 and 402 are correspondingly arranged on the inner walls of the upper and lower half cylinders. After buckled, the upper annular protrusions 401 and the lower annular protrusions 402 form a complete annular protrusion 4.0.

The openable and closable structures of the first cylindrical body 1 and the third cylindrical body are similar to the openable and closable structures of the second cylindrical body 2 in implementation form, which will not be repeated in this patent. An annular protrusion for matching with the second groove is also provided on the inner wall of the third cylinder.

Limiting protrusions 7 are provided on the outer walls of the first cylinder 1 and the second cylinder 2, and limiting grooves 6 matching the limiting protrusions are provided on the inner wall of the second cylinder 2. In this embodiment, the limiting protrusion 7 is installed at the middle position of the upper half cylinder 201 , and is approximately 90° from the hinge connection 8 . The top of the limiting protrusion 7 is in the shape of an excellent arc, and the top of the limiting groove 6 is in a corresponding shape. When the two cylinders need to be matched, firstly install the inner cylinder in place, and open the outer cylinder. Quickly open the hasp 9 to open the two half cylinders of the outer cylinder, then insert the limiting groove 6 of the outer cylinder into the limiting protrusion 7 of the inner cylinder, and adjust the The cylinder body is buckled, so that the annular protrusion can be matched with the corresponding groove.

The two adjacent cylinders can be connected together in advance through the limiting protrusion 7 and the limiting groove 6, and then integrally mounted on the insulator to improve the work efficiency.

Annular grooves 11 are provided at both ends of the first cylinder 1 , the second cylinder 2 and the third cylinder. The annular groove 11 is used to connect with the cover plate 10 , and the cover plate 10 is provided with annular grooves 11 The cover plate 10 is provided with a through hole for the insulator to pass through in the annular block which is adapted to the groove 11 . After the installation is in place, the cover plates 10 are installed on the upper and lower ends of the cylinder, so as to further improve the overall shielding performance and improve the safety effect.

As shown in FIG. 6 , a sealing groove 203 is provided on the inner wall of the connection between the upper half cylinder 201 and the lower half cylinder 202, and a sealing gasket is arranged in the sealing groove 203, and one end of the sealing gasket is connected to the upper The half cylinder 201 or the lower half cylinder 202 is fixed. When the two half cylinders are fastened together, the gasket seals the joint to prevent creepage. The same structure is also correspondingly provided on the first cylinder 1 and the third cylinder.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments. Modifications are made to the technical solutions of the present invention, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An insulator shielding cover is characterized by comprising a first cylinder body (1) and a second cylinder body (2) which are mutually sleeved, a plurality of first grooves (3) arranged on the outer side wall of the first cylinder body (1), a plurality of second grooves (5) arranged on the outer side wall of the second cylinder body (2) and annular bulges (4) arranged at the upper end and the lower end of the inner wall side of the second cylinder body (2); the first barrel (1) and the second barrel (2) are both of an openable structure, the first barrel (1) is sleeved in the second barrel (2) after being buckled, and the annular bulge (4) is matched with the corresponding first groove (3).

2. An insulator shielding cover according to claim 1, characterized in that the second cylinder (2) comprises an upper half cylinder (201) and a lower half cylinder (202) which are connected at one end by a hinge (8), and an upper annular bulge (401) and a lower annular bulge (402) are respectively arranged on the inner walls of the upper half cylinder (201) and the lower half cylinder (202) at corresponding positions.

3. An insulator shielding cover according to claim 2, characterized in that the other ends of the upper half cylinder (201) and the lower half cylinder (202) are connected by a quick-release buckle (9).

4. An insulator shielding cover according to claim 1, characterized in that the outer side walls of the first barrel (1) and the second barrel (2) are provided with limiting protrusions (7), and the inner wall of the second barrel (2) is provided with limiting grooves (6) matched with the limiting protrusions (7).

5. An insulator shielding cover according to claim 4, wherein the top of the limiting protrusion (7) is preferably arc-shaped, and the top of the limiting groove (6) is correspondingly shaped.

6. An insulator shielding cover according to claim 1, wherein the second cylinder (2) is provided with a plurality of second cylinders which are sequentially sleeved, a third cylinder is sleeved outside the second cylinder (2) at the outside, and an annular bulge matched with the second groove (5) is also arranged on the inner wall of the third cylinder.

7. An insulator shielding cover according to claim 5, characterized in that the first cylinder (1), the second cylinder (2) and the third cylinder are provided with annular grooves (11) at both ends, the annular grooves (11) are used for connecting with the cover plate (10), and the cover plate (10) is provided with annular blocks matched with the annular grooves (11).

8. An insulator shielding cover according to claim 6, characterized in that a through hole for passing the insulator is provided on the cover plate (10).

9. An insulator shielding cover according to claim 2, characterized in that a sealing groove (203) is arranged on the inner wall of the joint of the upper half cylinder (201) and the lower half cylinder (202), a sealing gasket is arranged in the sealing groove (203), and one end of the sealing gasket is fixed with the upper half cylinder (201) or the lower half cylinder (202).

10. An insulator shielding cover according to claim 1, characterized in that the first cylinder (1) and the second cylinder (2) are made of insulating material.

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