Insulator built-in column head glass piece

Abstract

The utility model discloses an insulator built-in column head glass piece and a manufacturing method thereof, which are used as one of disc-shaped suspension type glass insulator production and manufacturing technologies, and are characterized in that the structural shape of an external column head glass piece is changed, a glass piece column head is changed from an external mode to an internal mode (figure 1), a steel foot hole is changed from a downward mode to an upward mode, and the glass piece column head is made of glass. The structural height of an existing external column head glass piece is greatly reduced, the steel foot is completely exposed in the state that the steel foot is shielded by the middle umbrella disc and the lower umbrella disc, the steel cap is mostly shielded by the middle umbrella disc and the lower umbrella disc from the exposed state, the technical margin is formed, and the narrow structure and related technical problems are solved; the technical parameter H value of the structure height of the built-in column head glass insulator meets the existing technical standard specification, manufacturing automation and digital transformation are facilitated, technical performance improvement and new-quality iteration upgrading of a glass piece are achieved, and the self-explosion rate of the glass piece is reduced. The method is suitable for designing and manufacturing the built-in column head glass piece of an extra-high voltage large-tonnage insulator and an insulator with the voltage class below.

Description

Technical field:

[0001] The utility model relates to an insulator built-in column head glass piece and a manufacturing method thereof. Background technology:

[0002] Before the present invention, all existing AC and DC overhead transmission line disc-shaped suspended glass insulators at home and abroad were all produced and manufactured using the glass component production technology with the external column head (7) shape structure. The glass component, as the insulating body, forms the rated mechanical strength and electrical performance together with the steel cap (12), steel foot (10), and cement adhesive (8). However, the self-explosion rate of the existing glass insulator has always been a major technical focus that is highly concerned and needs to be solved in ultra-high voltage. There are many factors involved in the production and manufacturing technology and the use link. Among them, the existing external column head (7) glass component determines that the external head glass insulator (14) is difficult to solve the technical problem caused by the narrow structural space. It is also difficult to remove impurities in the glass liquid during production. The temperature difference during the production of the glass component and the existing production mold structure will constitute factors that affect the self-explosion of the glass component. For this reason, the invention of the utility model with a built-in column head (5) glass component ( Figure 1 ), optimize and improve technical performance, promote high-quality iterative upgrades in glass parts technology, and be practical in innovating and forming new quality productivity in the traditional glass insulator industry.

[0003] Contents of this utility model:

[0004] The purpose of this utility model patent is to reduce the self-explosion rate of glass parts and improve the qualified rate, and to provide a built-in column head glass insulator glass part with simple structure, novel and unique, reliable technology and easy production.

[0005] The utility model is achieved through the following technical solutions:

[0006] The external column head (7) of the existing glass piece is changed to the inside of the glass piece plate (1), so as to realize the glass piece shape structure structure ( Figure 1 ), the steel foot hole (4) realizes the shape structure structure from downward to upward ( Figure 2 ).

[0007] The shape and structure of the existing glass plate (1) and the middle umbrella plate (2) and the lower umbrella plate (3) remain unchanged, and the steel foot (10) is completely exposed from the state of being originally covered by the middle umbrella plate (2) and the lower umbrella plate (3). Figure 3 ), solves the problem of narrow space and inconvenient operation of disassembling and assembling locking pins (13) during power grid infrastructure construction and operation and maintenance, realizes barrier-free disassembly and assembly of glass insulators, and prevents hidden dangers of self-explosion of glass parts caused by accidents.

[0008] The height of the built-in column head glass structure (6) is significantly lower than that of the existing external column head (7) glass structure ( Figure 2), reducing the temperature difference during molding. After the built-in column head (5) glass piece is assembled with the steel foot (10) and the steel cap (12) using cement adhesive (8), the built-in column head glass insulator meets the structural height technical parameter H value specified in the existing technical standards ( Figure 3 ).

[0009] The shape structure formed by the built-in column head (5) glass piece, the steel foot hole (4) and the plate surface (1) Figure 1 ), so that the steel cap (12) is mostly shielded by the middle umbrella plate (2) and the lower umbrella plate (3) from the original exposed state ( Figure 3 ), solve the technical problem of anti-seepage performance of the gap at the steel cap mouth (15).

[0010] For the steel foot hole (4) of the glass part with the built-in column head (5), after the moisture of the cement glued steel foot (10) is dried, the silicone sealant (9) is used to seal the steel foot hole (4) to solve the problem of the anti-seepage performance of the steel foot hole (4). Figure 3 ).

[0011] The built-in column head (5) glass piece structure does not change the connection mark of the glass insulator. It can be put into practical use by simply exchanging the connecting hardware at both ends of the tower end ball head hanging ring and the high-voltage end bowl head hanging ring.

[0012] Fine-tune the position of the anti-electrocorrosion zinc sleeve (11) of the steel foot (10). Description of the drawings:

[0013] Figure 1 Schematic diagram of the shape and structure of the built-in column capital glass.

[0014] Figure 2 Schematic comparison of the appearance of the built-in column capital glass component and the external column capital glass component.

[0015] Figure 3 Schematic diagram of the H value of the technical parameter of the technical standard structure height of glass insulators.

[0016] In the picture:

[0017] 1. The disk

[0018] 2. Middle umbrella plate

[0019] 3. Lower the umbrella

[0020] 4.Steel foot holes

[0021] 5. Built-in column head

[0022] 6. Height of built-in column glass structure

[0023] 7. External capital

[0024] 8. Cement adhesive

[0025] 9. Silicone sealant

[0026] 10.Steel feet

[0027] 11. Zinc sleeve

[0028] 12.Steel cap

[0029] 13. Locking pin

[0030] 14. External head glass insulator

[0031] 15.Steel cap mouth

[0032] The specific manufacturing method of this utility model is as follows:

[0033] According to the content and technical solution of the utility model, a built-in column head (5) glass piece ( Figure 1 ) to form a design and production drawing.

[0034] Tools and equipment for making a glass forming mold for a built-in column head (5) and a silicone sealant sealing tool for a steel foot hole (4).

[0035] The manufacturing process, process flow and automated equipment of the external column head (7) glass piece insulator are adjusted to adapt to the manufacturing of both the internal column head (5) glass piece and the external column head (7) glass piece, thereby reducing the manufacturing cost.

[0036] The built-in column head (5) glass parts are conducive to production automation and digital transformation, enabling the iterative upgrading of glass parts technology, forming new quality production conditions for built-in column head glass insulators, and adapting to the high-quality technological progress needs of ultra-high voltage and large-tonnage glass insulators.

Claims

1. An insulator with a built-in column cap glass member, characterized in that: The external column head shape structure of the glass piece is changed from external to internal, forming a built-in column head glass piece structure, and the steel foot hole (4) is transformed from a downward to an upward structural structure; the height of the built-in column head glass piece structure is basically consistent with the overall height (6) of the plate surface (1), the middle umbrella plate (2), and the lower umbrella plate (3).

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