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A three-phase linkage isolating switch

An isolation switch and connection technology, applied in the field of three-phase linkage isolation switches, can solve the problems of contact interference, contact shaking, etc., to avoid internal stress, reduce radio interference, and facilitate three-phase linkage design.

Active Publication Date: 2020-09-22
JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a three-phase linkage isolating switch, which can solve the problem that the general single-rod type isolating switch is easy to cause the contact to shake when it is operated, and the contact is easily subject to radio interference.

Method used

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  • A three-phase linkage isolating switch
  • A three-phase linkage isolating switch
  • A three-phase linkage isolating switch

Examples

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Embodiment Construction

[0016] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but the present invention is not limited to the scope of the described examples.

[0017] Such as Figure 1 to Figure 3 A three-phase linkage isolating switch shown includes a bracket 1 , a motor mechanism 2 , a transmission rod 3 , a pull rod 4 , a conductive arm 5 , a base 6 and an insulator 7 .

[0018] The brackets 1 are cylindrical and arranged in two rows and three rows. The bottom ends of the brackets 1 are connected to the foundation through anchor bolts; the tops of the adjacent two rows of brackets 1 are provided with bases 6 and are connected through the bases 6. The insulators 7 have Several are arranged vertically to the base 6 and coaxial with the support 1 at the top of the support 1, the conductive arm 5 is horizontally arranged on the insulator 7, and the conductive arm 5 can rotate around the top of the insulator 7 in the horizontal plan...

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Abstract

The invention relates to a three-phase linkage isolating switch which is characterized by comprising a support, an electrically operated mechanism, a transmission rod, pull rods, a conductive arm, a base and an insulator. According to the three-phase linkage isolating switch, transmission is more stable by the aid of a double-pull-rod structure, a contact finger does not provide pressure in closing, failure risks of the contact finger are omitted, the contact finger can provide high pressure, sensitivity and debugging difficulty are low, a static contact of a ground knife is placed in a conductive arm, radio interference can be reduced, ground knife is laterally opened, insufficient insulation is omitted, three-phase linkage design is more convenient, a rotating shaft of the ground knife is provided with a floating supporting point, self-balance is achieved by a torsion spring, and internal stress can be avoided.

Description

technical field [0001] The invention relates to the field of isolating switches, in particular to a three-phase linkage isolating switch. Background technique [0002] The isolating switch is an electrical device used to divide and close the circuit in the power system. The isolating switch mainly includes contacts, contact fingers and arc striking devices. The arc striking device includes two arc striking rods. The arc rod and the contact finger side arc rod are connected with the contact, and the contact finger side arc rod is connected with the contact finger. During the closing process of the isolating switch, the two arcing rods are in conductive contact before the contact and the contact finger, and an arc is generated on the two arcing rods, and then the contact and the contact finger are in contact again, that is, the closing action is completed. During the opening process, before the contact is separated from the contact finger, the two arc-leading rods are in cond...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/02H01H33/28H01H33/42
CPCH01H33/02H01H33/28H01H33/42
Inventor 杨小洋杨国胜林晶莹吴文乐薛久昌黄骥亮潘凡范济民许斌彬牛东辉
Owner JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP
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