CN201608089U - Three-position isolating grounding switch electrical connection device - Google Patents

Abstract

The utility model relates to an electric connection device for a three-station isolating grounding switch, which belongs to the field of electric equipment. There is a four-way cylinder, the grounding cover plate and the disc insulator are respectively fixed on the four-way cylinder with bolts, the grounding electrical connecting rod is fixed on the grounding cover plate through bolts, and the isolation electrical connecting rod is fixed on the disc insulator through bolts , the middle of the rotating electric connecting rod is connected with the rotating shaft, the two ends of the rotating shaft are connected with the bearing and the support, the rotating shaft connects the three-phase conductors as a whole through the rotating insulator, the driving shaft and the rotating shaft are connected through the rotating insulator, and the grounding electric connecting rod , the rotating electric connecting rod, and the isolating electric connecting rod are respectively provided with watch strap contact finger installation grooves, and multi-contact watch strap contact fingers are installed in the watch strap finger mounting grooves, and the rotating electric connecting rod is connected with the grounding electric connecting rod and the isolation The electric connecting rod is vertical. The utility model is easy to install, the overall structure of the electrical connection is more compact, the inner space of the isolating switch is saved, and the reliability of the electrical connection is higher.

Description

Three-position isolating grounding switch electrical connection device

technical field

The utility model relates to the field of electric transmission equipment, in detail it is an electric connection device for a 72.5 kV three-position isolation grounding switch.

Background technique

As we all know: the closed combined electrical isolation and grounding switch has been continuously updated, and the products are developing in the direction of simplicity, convenience, safety, and integration. The structure of the conductive parts is complex, the installation requirements are relatively strict, and it is difficult to control the overall performance of the switch; the original contact fingers are petal-shaped contacts. Due to the demand for current carrying capacity, the structure of the electrical connection is relatively large. The space size requirement is relatively large, which restricts the development of the isolation and grounding switch in the direction of simplification and miniaturization.

Contents of the invention

The purpose of this utility model is to overcome the deficiencies of the existing technology and provide a three-position isolation grounding switch electrical connection device, which has a simple structure and is easy to install. Under the condition of meeting the rated current, the overall structure of the electrical connection is more compact and the appearance is more compact. Small size saves the internal space of the isolating switch, and the reliability of electrical connection is higher.

The utility model adopts the following technical solution: a three-station isolation grounding switch electrical connection device, which is provided with a four-way cylinder, the ground cover plate and the disc insulator are respectively fixed on the four-way cylinder with bolts, and the grounding electric connecting rod It is fixed on the ground cover plate by bolts, and the isolation electric connecting rod is fixed on the disc insulator by bolts. The middle of the rotating electric connecting rod is connected with the rotating shaft. The phase conductors are connected as a whole, and the drive shaft and the rotating shaft are connected through a rotating insulator. The grounding electric connecting rod, the rotating electric connecting rod, and the isolation electric connecting rod are respectively provided with watch strap contact finger installation slots, and the watch strap contact finger installation slots are equipped with The contact fingers of the multi-contact watch strap, the rotating electric connecting rods are respectively perpendicular to the grounding electric connecting rods and the isolation electric connecting rods.

The beneficial effect of the utility model is that the structure is simple, the installation is convenient, the overall structure of the electrical connection is more compact and the shape is smaller when the rated current is satisfied, the internal space of the isolating switch is saved, and the reliability of the electrical connection is higher.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

Fig. 3 is a partial enlarged view of part B in Fig. 1 .

In the figure 1. Four-way cylinder, 2. Grounding cover, 3. Grounding electrical connecting rod, 4. Rotating electrical connecting rod, 5. Isolation electrical connecting rod, 6. Disc insulator, 7. Support, 8. Rotating Insulator, 9. Bearing, 10. Rotating shaft, 11. Drive shaft, 12. Watch strap contact finger.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, to help understand the content of the utility model

As shown in Fig. 1, Fig. 2 and Fig. 3, the utility model is provided with a four-way cylinder body 1, and the grounding cover plate 2 and the disc insulator 6 are respectively fixed on the four-way cylinder body 1 with bolts, and the grounding electric connecting rod 3 passes through Bolts are fixed on the grounding cover plate 2, and the isolated electric connecting rod 5 is fixed on the disc insulator 6 by bolts, the middle of the rotating electric connecting rod 4 is connected with the rotating shaft 10, and the two ends of the rotating shaft 10 are connected with the bearing 9 and the support 7 , the rotating shaft 10 connects the three-phase conductors as a whole through the rotating insulator 8, and the driving shaft 11 and the rotating shaft 10 are connected through the rotating insulator 8, which can not only transmit the torque but also ensure insulation, the grounding electric connecting rod 3, the rotating electric connecting rod 4, The isolation electric connecting rod 5 is provided with watch strap contact finger installation grooves respectively, and the multi-contact watch strap contact finger 12 is installed in the watch strap contact finger installation groove, and the rotating electric connecting rod 4 is connected with the grounding electric connecting rod 3 and the isolation electric connection respectively. Rod 5 is vertical.

Claims (1)

1. An electrical connection device for a three-position isolating grounding switch, which is provided with a four-way cylinder, and is characterized in that: the grounding cover plate and the disc insulator are respectively fixed on the four-way cylinder with bolts, and the grounding electric connecting rod is fixed by bolts On the grounding cover plate, the isolated electrical connecting rod is fixed on the disc insulator through bolts, the middle of the rotating electrical connecting rod is connected with the rotating shaft, the two ends of the rotating shaft are connected with the support, and the rotating shaft connects the three-phase conductors through the rotating insulator. As a whole, the driving shaft and the rotating shaft are connected by a rotating insulator. The grounding electric connecting rod, the rotating electric connecting rod, and the isolating electric connecting rod are respectively provided with a watch strap contact finger installation groove, and the strap contact finger installation groove is equipped with multiple contacts. The contact finger of the watchband is used, and the rotating electric connecting rod is perpendicular to the grounding electric connecting rod and the isolation electric connecting rod respectively.

Images