CN203026273U

CN203026273U - Windage protection composite insulator

Info

Publication number: CN203026273U
Application number: CN 201320028219
Authority: CN
Inventors: 李红云; 王玉发; 郑哲
Original assignee: HEFEI GULIFA ELECTRIC CO Ltd; Gulifa Group Co Ltd
Current assignee: GULIFA ELECTRICAL CO., LTD.
Priority date: 2013-01-18
Filing date: 2013-01-18
Publication date: 2013-06-26
Anticipated expiration: 2023-01-18

Abstract

The utility model discloses a windage protection composite insulator which comprises an insulator body, an upper end hardware fitting connected at the upper end of the insulator body, and a lower end hardware fitting connected at the lower end of the insulator body; the insulator body comprises a core rod and an insulating umbrella cover wrapping the core rod; an umbrella skirt is formed on an outer side wall of the insulating umbrella cover; the windage protection composite insulator is characterized in that the windage protection composite insulator further comprises a preformed armor rod wire clamp; the preformed armor rod wire clamp comprises a wire clamp body provided with an armor rod hole and a preformed armor rod arranged in the armor rod hole; the top end of the wire clamp body is connected with the lower end hardware fitting by a bolt fastener; a wire placing groove for arranging an external wire cable is formed in the middle of the bottom end of the wire clamp body; and the armor rod hole is approximately V-shaped. The windage protection composite insulator has the advantages that the windage protection composite insulator is simplified and reasonable in structure, and cannot damage the external wire cable, so that safe and reliable operation of an electric system can be ensured.

Description

Windage yaw preventing composite insulator

Technical field

The utility model relates to the insulator that uses in a kind of high voltage overhead power circuit, a kind of windage yaw preventing composite insulator specifically, be applicable to use on the hard wire jumper of ultra-high-tension power transmission line, have prevent that wire jumper part from skew occuring and suppress the effect that external cable is waved with the wind under wind action.

Background technology

In existing power circuit, traditional jumper string mounting means is at insulator lower end installation weight, and fix external cable by common wire clamp is installed, although thisly improve the insulator string windage yaw with weight certain effect is arranged, can not really control the windage yaw of insulator; Adopt in addition common wire clamp to fix external cable, even wave through frequent vibration, external cable is is easily worn and torn by wire clamp.

The utility model content

For the deficiency of pointing out in background technology, the purpose of this utility model is to provide a kind of windage yaw preventing composite insulator, and this windage yaw preventing composite insulator has designs simplification, rationally and not can damage the advantages such as external cable, thereby can guarantee safe operation of power system.

The technical scheme that realizes the utility model purpose is:

A kind of windage yaw preventing composite insulator comprises insulator body, is connected with at the upper end gold utensil of described insulator body upper end and is connected with lower end gold utensil in described insulator body lower end; Described insulator body comprises the insulation umbrella cover of plug and the described plug of parcel; Form full skirt on described insulation umbrella cover lateral wall;

This windage yaw preventing composite insulator also comprises the pre reeled silk type wire clamp;

Described pre reeled silk type wire clamp comprises the wire clip body that is provided with the hank knotting hole and is arranged on preformed armor rods in described hank knotting hole; The top of described wire clip body is connected with described lower end gold utensil by bolt fastener, and its center bottom is provided be used to the trunking that external cable is set;

The shape approximation in described hank knotting hole is V-arrangement.

In technique scheme, the top of described wire clip body forms two lugs, is provided with crack between two described lugs, and the bottom of described lower end gold utensil is stretched in described crack; The connecting hole that is used for accommodating described bolt fastener on described wire clip body connects and is arranged at described lug;

Also be provided with damping mat in described crack, and the upper end of described damping mat is against on the gold utensil of described lower end, its lower end is against on the diapire of described crack.

In technique scheme, described bolt fastener comprises bolt, supporting nut and packing ring with it.

The utlity model has positive effect:

(1) adopt the pre reeled silk type wire clamp to be connected with external cable in windage yaw preventing composite insulator of the present utility model, described pre reeled silk type wire clamp comprises the wire clip body that is provided with the hank knotting hole and the preformed armor rods that is arranged in described hank knotting hole; The top of described wire clip body is connected with described lower end gold utensil by bolt fastener, and its center bottom is provided be used to the trunking that external cable is set; The shape approximation in described hank knotting hole is V-arrangement, when connecting external cable, external cable is placed in described trunking, the middle part of preformed armor rods is arranged in the hank knotting hole, its two ends extension reliably is wound on external cable, the employing said structure can be with the suffered stress distribution of external cable in a larger zone, improve external cable and accepted the ability of stress, be difficult for by the wire clamp hurt when external connection cable vibration-generating is even waved under the high wind impact, and preformed armor rods also can suppress external cable vibration, thereby can guarantee the power system security reliability service; Simultaneously the utility model also has designs simplification, rationally and the advantages such as convenient are installed.

(2) in windage yaw preventing composite insulator of the present utility model, the top of described wire clip body forms two lugs, is provided with crack between two described lugs, and the bottom of described lower end gold utensil is stretched in described crack; The connecting hole that is used for accommodating described bolt fastener on described wire clip body connects and is arranged at described lug; Also be provided with damping mat in described crack, and the upper end of described damping mat is against on the gold utensil of described lower end, its lower end is against on the diapire of described crack; The lower surface of the upper surface of described damping mat and described lower end gold utensil is suitable; By adopting said structure can guarantee that the pre reeled silk type wire clamp has suitable rotation space along bolt, also have good damping action simultaneously, can effectively improve this windage yaw preventing composite insulator to waving the inhibitory action with subspan oscillation.

Description of drawings

Fig. 1 is a kind of structural representation of windage yaw preventing composite insulator when installment state in the utility model;

Fig. 2 is a kind of cutaway view that Fig. 1 dissects along the A-A line;

Reference numeral shown in figure is: the 1-insulator body; The 11-plug; The 12-umbrella cover that insulate; 2-upper end gold utensil; 3-lower end gold utensil; 4-pre reeled silk type wire clamp; 41-hank knotting hole; The 42-wire clip body; The 43-preformed armor rods; The 44-lug; The 5-bolt fastener; The external cable of 6-; The 7-trunking; The 8-damping mat.

Embodiment

A kind of embodiment to windage yaw preventing composite insulator of the present utility model elaborates below in conjunction with Figure of description:

As depicted in figs. 1 and 2, a kind of windage yaw preventing composite insulator comprises insulator body 1, is connected with upper end gold utensil 2 in described insulator body 1 upper end, is connected with lower end gold utensil 3 and pre reeled silk type vertical line folder 4 in described insulator body 1 lower end; Described insulator body 1 comprises the insulation umbrella cover 12 of plug 11 and the described plug 11 of parcel; Form full skirt on described insulation umbrella cover 12 lateral walls; Described pre reeled silk type wire clamp 4 comprises the wire clip body 42 that is provided with hank knotting hole 41 and is arranged on preformed armor rods 43 in described hank knotting hole 41; The top of described wire clip body 42 is connected with described lower end gold utensil 3 by bolt fastener 5, and its center bottom is provided be used to the trunking 7 that external cable 6 is set; The shape approximation in described hank knotting hole 41 is V-arrangement.When mounted, this windage yaw preventing composite insulator is connected with steel tower by upper end gold utensil 2, and lower end gold utensil 3 connects external cable 6.

windage yaw preventing composite insulator in the present embodiment is when being connected with external cable 6, external cable 6 is placed in described trunking 7, the middle part of preformed armor rods 43 is arranged in hank knotting hole 41, its two ends extension reliably is wound on external cable 6, the employing said structure can be with the suffered stress distribution of external cable 6 in a larger zone, improve external cable 6 and accepted the ability of stress, be difficult for by the wire clamp hurt when external connection cable 6 vibration-generatings are even waved under the high wind impact, and preformed armor rods 43 also can suppress external cable 6 vibrations, thereby can guarantee safe operation of power system, simultaneously the windage yaw preventing composite insulator of said structure also has designs simplification, rationally and the advantages such as convenient are installed.

The top of the described wire clip body 42 in the present embodiment forms between 44, two described lugs 44 of two lugs and is provided with crack, and the bottom of described lower end gold utensil 3 is stretched in described crack; The connecting hole that is used for accommodating described bolt fastener 5 on described wire clip body 42 connects and is arranged at described lug 44; Also be provided with damping mat 8 in described crack, and the upper end of described damping mat 8 is against on described lower end gold utensil 3, its lower end is against on the diapire of described crack.The lower surface of the upper surface of described damping mat 8 and described lower end gold utensil 3 is suitable; Adopt said structure can guarantee that the pre reeled silk type wire clamp has suitable rotation space along bolt fastener 5, also have good damping action simultaneously, can effectively improve this windage yaw preventing composite insulator to waving the inhibitory action with subspan oscillation.

Described bolt fastener 5 in the present embodiment comprises bolt, supporting nut and packing ring with it.

Obviously, above-described embodiment of the present utility model is only for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims

1. windage yaw preventing composite insulator comprises insulator body (1), is connected with at the upper end gold utensil (2) of described insulator body (1) upper end and is connected with lower end gold utensil (3) in described insulator body (1) lower end; Described insulator body (1) comprises the insulation umbrella cover (12) of plug (11) and the described plug of parcel (11); Form full skirt on described insulation umbrella cover (12) lateral wall; It is characterized in that:

This windage yaw preventing composite insulator also comprises pre reeled silk type wire clamp (4);

Described pre reeled silk type wire clamp (4) comprises the wire clip body (42) that is provided with hank knotting hole (41) and is arranged on preformed armor rods (43) in described hank knotting hole (41); The top of described wire clip body (42) is connected with described lower end gold utensil (3) by bolt fastener (5), and its center bottom is provided be used to the trunking that external cable (6) are set (7);

The shape approximation in described hank knotting hole (41) is V-arrangement.

2. windage yaw preventing composite insulator according to claim 1, it is characterized in that: the top of described wire clip body (42) forms two lugs (44), be provided with crack between two described lugs (44), the bottom of described lower end gold utensil (3) is stretched in described crack; The connecting hole that is used for accommodating described bolt fastener (5) on described wire clip body (42) connects and is arranged at described lug (44);

Also be provided with damping mat (8) in described crack, and the upper end of described damping mat (8) is against on described lower end gold utensil (3), its lower end is against on the diapire of described crack.

3. windage yaw preventing composite insulator according to claim 1 and 2 is characterized in that: described bolt fastener (5) comprises bolt, supporting nut and packing ring with it.