CN214542006U - Novel middle-mounted 40.5kV indoor high-voltage vacuum circuit breaker - Google Patents

Abstract

The utility model discloses a novel indoor high-pressure vacuum circuit breaker of well-positioned 40.5kV, including spring operating mechanism, gu seal utmost point post outlet conducting rod, support, main shaft, insulating pull rod, rod end bearing screw rod, connecting rod, gu seal utmost point post inlet wire conducting rod, vacuum interrupter, flexible coupling, aviation socket, manual energy memory, spring operating mechanism energy storage pointer and divide-shut brake pointer, spring operating mechanism passes through the connecting rod to be fixed in the left side of support, and this novel indoor high-pressure vacuum circuit breaker of well-positioned 40.5kV has adopted and has sealed utmost point post technique admittedly, can not produce harmful substance in the course of the work, and all spare parts all can retrieve after reaching life, greatly improve the feature of environmental protection of product, adaptation environmental protection demand.

Description

Novel middle-mounted 40.5kV indoor high-voltage vacuum circuit breaker

Technical Field

The utility model relates to a high-voltage distribution equipment technical field specifically is a novel indoor high-pressure vacuum circuit breaker of central-positioned 40.5 kV.

Background

The current 40.5kV indoor high-voltage vacuum circuit breaker basically has two structural forms: the first method comprises the following steps: a floor type indoor high-voltage vacuum circuit breaker is provided with a floor type bottom car, a pushing mechanism is arranged in the middle of the floor type indoor high-voltage vacuum circuit breaker, and a fixed sealing type or insulating cylinder type primary loop is arranged on the floor type indoor high-voltage vacuum circuit breaker. And the second method comprises the following steps: the middle-mounted circuit breaker is characterized in that a solid-sealed pole is installed on a rack, an operating mechanism is installed inside the rack, and a solid-sealed or insulating cylinder type primary loop is matched on a frame.

The circuit breaker with the first structure is high in overall height and large in stroke, so that the size of a distribution cabinet is large, the floor area of a distribution room is large, and the distance is difficult to change because a propelling mechanism is a standard accessory; the second structure is also limited by the size of the bottom car, and the installation size is relatively solidified.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel indoor high-pressure vacuum circuit breaker of well formula 40.5kV to it is bulky to propose the indoor high-pressure vacuum circuit breaker of console mode in solving above-mentioned background art, hardly changes at a distance, and well formula circuit breaker receives the restriction of chassis size, the problem of the relatively solidification of mounting dimension.

In order to achieve the above object, the utility model provides a following technical scheme: a novel middle-positioned 40.5kV indoor high-voltage vacuum circuit breaker comprises a spring operating mechanism, a solid-sealed polar pole outgoing line conducting rod, a support, a main shaft, an insulating pull rod, a rod end bearing screw rod, a connecting rod, a solid-sealed polar pole incoming line conducting rod, a vacuum arc extinguish chamber, a flexible connection, an aviation socket, a manual energy storage device, a spring operating mechanism energy storage indicating needle and a switching indicating needle, wherein the spring operating mechanism is fixed on the left side of the support through the connecting rod, the solid-sealed polar pole is fixedly connected with the support through a screw, the solid-sealed polar pole is formed by pouring epoxy resin, the vacuum arc extinguish chamber is installed in the solid-sealed polar pole, the aviation socket is installed on one side of the solid-sealed polar pole, one end of the insulating pull rod is connected with the main shaft through a shaft pin and is connected with the output end of the spring operating mechanism, the flexible connection is fixed at the movable end of the vacuum arc extinguish chamber, and the other end of the flexible connection fixes the solid-sealed polar pole incoming line conducting rod at the solid-sealed polar pole incoming line end through a screw, the outlet conductive rod of the solid-sealed polar pole is connected with a contact on the manual energy storage device through a screw, and the spring operating mechanism is provided with an energy storage indicating needle and a switching-on and switching-off indicating needle.

Preferably, a contact spring is mounted on the insulating pull rod.

Preferably, the other end of the insulating pull rod is connected with a crank arm through a rod end bearing screw, and the opposite side of the crank arm is also connected through the rod end bearing screw.

Compared with the prior art, the beneficial effects of the utility model are that: the novel centrally-mounted 40.5kV indoor high-voltage vacuum circuit breaker adopts the embedded pole technology, no harmful substances are generated in the working process, and all parts can be recycled after the service life is reached, so that the environmental protection property of the product is greatly improved, and the requirement of environmental protection is met;

because all electrified bodies are all poured or installed in epoxy, and seal utmost point post admittedly and install inside the box, can not receive the influence of external environment such as steam, dust, sunshine ultraviolet ray to the electrical properties of circuit breaker, reduced the maintenance of equipment, prolonged life, have advantages such as small, environment-friendly, function integration, reliability height, non-maintaining.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the embedded pole of the present invention.

In the figure: the device comprises a spring operating mechanism 1, a solid-sealed polar pole 2, a solid-sealed polar pole outgoing conductive rod 3, a support 4, a main shaft 5, an insulating pull rod 6, a rod end bearing screw 7, a connecting rod 8, a solid-sealed polar pole incoming conductive rod 9, a vacuum arc-extinguishing chamber 10, a flexible connection 11, an aviation socket 12, a manual energy storage device 13, a spring operating mechanism energy storage indicating needle 14 and a switching-on and switching-off indicating needle 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel indoor high-pressure vacuum circuit breaker of indoor of central-positioned 40.5kV, including spring operating mechanism 1, gu seal utmost point post 2, gu seal utmost point post lead-out conducting rod 3, support 4, main shaft 5, insulating pull rod 6, rod end bearing screw 7, connecting rod 8, gu seal utmost point post lead-in conducting rod 9, vacuum interrupter 10, flexible coupling 11, aviation socket 12, manual energy memory 13, spring operating mechanism energy storage pointer 14 and divide-shut brake pointer 15, spring operating mechanism 1 passes through connecting rod 8 to be fixed in the left side of support 4, gu seal utmost point post 2 and support 4 and pass through the screw connection fixed.

The solid-sealed polar pole 2 is formed by pouring epoxy resin, a vacuum arc extinguish chamber 10 is installed in the solid-sealed polar pole 2, an aviation socket 12 is installed on one side of the solid-sealed polar pole 2, one end of an insulating pull rod 6 is connected with a main shaft 5 through a shaft pin and is connected with the output end of a spring operating mechanism 1, a flexible connection 11 is fixed at the movable end of the vacuum arc extinguish chamber 10, the other end of the flexible connection 11 fixes a solid-sealed polar pole incoming line conducting rod 9 at the solid-sealed polar pole incoming line end through a screw, a solid-sealed polar pole outgoing line conducting rod 3 is connected with a contact on a manual energy storage device 13 through a screw, and a spring operating mechanism energy storage indicating needle 14 and a switching-closing indicating needle 15 are installed on the spring operating mechanism 1.

The contact spring is arranged on the insulating pull rod 6 to ensure that the contact has enough pressure after the vacuum arc extinguish chamber 10 is switched on, the other end of the insulating pull rod 6 is connected with a connecting lever through a rod end bearing screw 7, the opposite side of the connecting lever is also connected through the rod end bearing screw 7, when the spring operating mechanism 1 is switched on, the main shaft 5 can be driven to rotate to act on the moving end of the vacuum arc extinguish chamber 10 through the insulating pull rod 6 and the connecting lever to close the contact, and therefore the lead-in conducting rod 9 of the solid-sealed polar pole and the lead-out conducting rod 3 of the solid-sealed polar pole form a loop; whereas the contact separation circuit of the vacuum interrupter 10 is open, what is not described in detail in this description is known to the person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (3)

1. The utility model provides an indoor high-pressure vacuum circuit breaker of novel built-in 40.5kV, includes spring operating mechanism (1), seals utmost point post (2) admittedly, seals utmost point post outgoing line conducting rod (3) admittedly, support (4), main shaft (5), insulating pull rod (6), rod end bearing screw rod (7), connecting rod (8), seals utmost point post incoming line conducting rod (9) admittedly, vacuum interrupter (10), flexible coupling (11), aviation socket (12), manual energy memory (13), spring operating mechanism energy storage pointer (14) and divide-shut brake pointer (15), its characterized in that: the spring operating mechanism (1) is fixed on the left side of the support (4) through a connecting rod (8), the solid-sealed polar pole (2) is fixedly connected with the support (4) through a screw, the solid-sealed polar pole (2) is formed by pouring epoxy resin, a vacuum arc-extinguishing chamber (10) is installed in the solid-sealed polar pole (2), an aviation socket (12) is installed on one side of the solid-sealed polar pole (2), one end of an insulating pull rod (6) is connected with the main shaft (5) through a shaft pin and is connected with the output end of the spring operating mechanism (1), the flexible connection (11) is fixed at the movable end of the vacuum arc-extinguishing chamber (10), the other end of the flexible connection (11) fixes the solid-sealed polar pole incoming line conducting rod (9) at the solid-sealed polar pole incoming line end through a screw, the solid-sealed polar pole outgoing line conducting rod (3) is connected with a contact on the manual energy storage device (13) through a screw, and the spring operating mechanism (1) is provided with a spring operating mechanism energy storage indicating needle (14) and a switching-on and switching-off indicating needle (15).

2. The novel centrally-mounted 40.5kV indoor high-voltage vacuum circuit breaker as claimed in claim 1, characterized in that: and a contact spring is arranged on the insulating pull rod (6).

3. The novel centrally-mounted 40.5kV indoor high-voltage vacuum circuit breaker as claimed in claim 1, characterized in that: the other end of the insulating pull rod (6) is connected with a crank arm through a rod end bearing screw rod (7), and the opposite side of the crank arm is also connected through the rod end bearing screw rod (7).

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