CN220020970U - Circuit breaker insulation pole with built-in voltage and current transformer - Google Patents

Abstract

The utility model discloses a circuit breaker insulating pole with a built-in voltage and current transformer, which comprises a shell, an upper connecting rod and a lower connecting rod, wherein a hinged base is fixedly arranged on one side of the upper part of the shell, a pressing rod is arranged on the hinged base, one end of the pressing rod is connected with the upper connecting rod through a bolt, a joint is welded at one end of the upper connection, a tower-shaped spring is sleeved on the surface of the upper connecting rod, a spring base is arranged at the bottom of the tower-shaped spring, and a concave interface is arranged at the tail end of the bottom of the upper connecting rod. The connecting rod has the beneficial effects that the concave interface and the convex interface at the bottom of the upper connecting rod can be spliced by adopting the compression bar and the hinged base and by lifting the compression bar upwards, the bolt is inserted into the concave interface, the connecting mode is simple, convenient and firm, meanwhile, the upper connecting rod is separated from the lower connecting rod at the moment of pulling out the bolt through the tower-shaped spring sleeved on the surface of the upper connecting rod, and the disconnection is convenient.

Description

Circuit breaker insulation pole with built-in voltage and current transformer

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a breaker insulation pole with built-in voltage and current transformers.

Background

The insulated pole is a common power device and is mainly used for insulating support and connection in a power transmission and distribution power system. The cable and the cable support device have the main effects of supporting wires, cables and other devices in the power equipment and the power system, can also play roles of connection and fixation, are usually made of insulating materials, are made of glass, ceramics, rubber and the like, have good insulativity and mechanical strength, can effectively prevent faults such as electric leakage and short circuit of the electric equipment and the power system, and protect safe operation of the electric equipment and the power system.

The general insulated polar post mostly adopts vacuum arc extinction, and general vacuum arc extinction cost is high, and sealed extremely high life that requires simultaneously can reduce along with sealed effect's reduction, and the arc extinction effect also can be worsened, if do not have the arc extinguishing device to cut off this electric arc or cool off, probably take place arc short circuit or ground connection, very dangerous.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the insulating pole of the breaker with the built-in voltage and current transformer, which has the advantages of simple and safe operation and further solves the problems in the background art.

(II) technical scheme

In order to realize the advantages of simplicity and safety, the utility model adopts the following specific technical scheme:

the utility model provides a built-in voltage, current transformer's circuit breaker insulation utmost point post, includes shell, goes up connecting rod and lower connecting rod, the top one side fixed mounting of shell articulates the base, and installs the depression bar on the articulated base, the one end of depression bar is connected with last connecting rod through the bolt, and go up the one end welding that connects has the joint, the surface of going up the connecting rod has cup jointed the tower spring, and the bottom of tower spring is equipped with spring base, the bottom end of going up the connecting rod is equipped with concave interface, and the shock strut is installed to the inside top of shell, be equipped with the arc extinguishing bin in the shell, and install the arc extinguishing bars in the arc extinguishing bin, one side of shell is equipped with the protection section of thick bamboo, and installs the bolt in the protection section of thick bamboo, the bottom fixed mounting of shell has the connecting rod down, and the fixed block has been cup jointed on the surface of connecting rod down, the one end of connecting rod is equipped with the convex interface down.

Further, the arc extinguishing grid is composed of a plurality of groups of steel sheets.

Furthermore, one end of the pressure rod is wrapped by an insulating material.

Further, bolt holes are formed in the side faces of the concave connector and the convex connector.

Further, a joint is welded at the bottom end of the lower connecting rod.

Further, the shock-absorbing column is made of rubber.

(III) beneficial effects

Compared with the prior art, the utility model provides the breaker insulation pole with the built-in voltage and current transformers, which has the following beneficial effects:

(1) The utility model adopts the compression bar and the hinged base, the concave interface and the convex interface at the bottom of the upper connecting rod can be spliced by lifting the compression bar upwards, the bolt is inserted into the compression bar, the connection mode is simple, convenient and firm, meanwhile, the upper connecting rod is separated from the lower connecting rod at the moment of pulling out the bolt through the tower-shaped spring sleeved on the surface of the upper connecting rod, the disconnection is convenient, the fault arc is divided into a plurality of sections of small arcs by arranging the arc extinguishing bin and the arc extinguishing grid, the arc extinguishing effect is achieved by utilizing the near-cathode effect of the alternating current arc, the fault current is reduced by increasing the voltage of the arc, the safety of equipment is increased, and the service life of the equipment is prolonged.

(2) According to the utility model, the handle made of the insulating material is adopted at the tail end of the bolt, so that the danger caused by touching current by workers can be prevented during manual operation, meanwhile, when the bolt is about to touch a power supply, the danger of false touch caused by improper operation of workers is avoided by arranging the protection cylinder, and the shock absorption column is arranged above the inside of the shell, so that the impact on the shell caused by spring rebound is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an insulated pole of a circuit breaker with a built-in voltage and current transformer;

fig. 2 is a schematic diagram of a top view structure of an insulated pole of a circuit breaker with a built-in voltage and current transformer according to the present utility model;

fig. 3 is a schematic diagram of an arc extinguishing gate structure of a breaker insulation pole with a built-in voltage and current transformer.

In the figure:

1. a housing; 2. a joint; 3. an upper connecting rod; 4. a hinged base; 5. a compression bar; 6. a shock-absorbing column; 7. a spring base; 8. a female interface; 9. a protective cylinder; 10. a plug pin; 11. a male interface; 12. a fixed block; 13. a tower-shaped spring; 14. arc extinguishing bin; 15. arc extinguishing grid; 16. and a lower connecting rod.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, the circuit breaker insulating pole with the built-in voltage and current transformer is provided.

The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, the circuit breaker insulation pole of the built-in voltage and current transformer according to the embodiment of the utility model comprises a shell 1, an upper connecting rod 3 and a lower connecting rod 16, wherein a hinged base 4 is fixedly arranged on one side above the shell 1, a pressure rod 5 is arranged on the hinged base 4, one end of the pressure rod 5 is connected with the upper connecting rod 3 through a bolt, a joint 2 is welded at one end of the upper connection, a tower-shaped spring 13 is sleeved on the surface of the upper connecting rod 3, a spring base 7 is arranged at the bottom of the tower-shaped spring 13, a concave interface 8 is arranged at the bottom end of the upper connecting rod 3, a shock absorption column 6 is arranged above the inside of the shell 1, an arc extinguishing bin 14 is arranged in the shell 1, an arc extinguishing grid 15 is arranged in the arc extinguishing bin 14, a protection cylinder 9 is arranged on one side of the shell 1, a bolt 10 is arranged in the protection cylinder 9, a lower connecting rod 16 is fixedly arranged at the bottom of the shell 1, a fixed block 12 is sleeved on the surface of the lower connecting rod 16, and a convex interface 11 is arranged at one end of the lower connecting rod 16.

In one embodiment, the arc chute 15 is composed of a plurality of groups of steel sheets for dividing and extinguishing the arc.

In one embodiment, one end of the compression bar 5 is wrapped with an insulating material to prevent electric shock.

In one embodiment, the sides of the female interface 8 and male clasp are provided with pin holes for use with the latch 10.

In one embodiment, the bottom end of the lower connecting rod 16 is welded with a joint 2 for ease of installation.

In one embodiment, the shock-absorbing column 6 is made of rubber, and protects the housing 1.

Working principle:

through adopting depression bar 5 and articulated base 4, can peg graft concave interface 8 and convex interface 11 with the bottom of last connecting rod 3 through upwards lifting depression bar 5, again with bolt 10 insert thereinto can, the connected mode is simple and convenient and firm, simultaneously, go up connecting rod 3 and lower connecting rod 16 separately in the moment that bolt 10 was pulled out through the tower spring 13 that upper connecting rod 3 surface cup jointed, it is convenient to break off, cut apart fault arc into a plurality of sections little electric arcs through being equipped with arc extinguishing bin 14 and arc extinguishing grid 15, utilize alternating current's nearly cathodic effect, make fault current drop through increasing the voltage of electric arc reach the effect of arc extinguishing, the security of equipment has been increased, simultaneously also increased the life of equipment, through the handle of insulating material preparation that bolt 10 terminal adopted, can prevent that the staff from electrocuted and producing danger when manual operation, simultaneously when bolt 10 is about to contact the power, through being equipped with protection cylinder 9, the inside top of shell 1 is equipped with shock-absorbing column 6, the impact that the spring bounce caused shell 1 has been cut down.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a built-in voltage, current transformer's circuit breaker insulation utmost point post, includes shell (1), goes up connecting rod (3) and lower connecting rod (16), a serial communication port, top one side fixed mounting of shell (1) articulates base (4), and installs depression bar (5) on articulated base (4), the one end of depression bar (5) is passed through the bolt and is connected with last connecting rod (3), and go up the one end welding that connects and have joint (2), the surface of going up connecting rod (3) has cup jointed tower spring (13), and the bottom of tower spring (13) is equipped with spring base (7), the bottom end of going up connecting rod (3) is equipped with concave interface (8), and shock strut (6) are installed to the inside top of shell (1), be equipped with arc extinguishing bin (14) in shell (1), and install arc extinguishing grid (15) in arc extinguishing bin (14), one side of shell (1) is equipped with protection section of thick bamboo (9), and installs bolt (10) in protection section of thick bamboo (9), the bottom fixed mounting of shell (1) has lower connecting rod (16), and connecting rod (16) surface has cup jointed under connecting rod (16).

2. The circuit breaker insulating pole of the built-in voltage and current transformer according to claim 1, wherein the arc extinguishing grid (15) is composed of a plurality of groups of steel sheets.

3. The insulation pole of the circuit breaker with the built-in voltage and current transformer according to claim 1, wherein one end of the compression bar (5) is wrapped by an insulation material.

4. The circuit breaker insulating pole of the built-in voltage and current transformer according to claim 1, wherein the side surfaces of the concave interface (8) and the convex connecting buckle are provided with bolt (10) holes.

5. The circuit breaker insulating pole of the built-in voltage and current transformer according to claim 1, wherein the bottom end of the lower connecting rod (16) is welded with a joint (2).

6. The insulation pole of a circuit breaker with a built-in voltage and current transformer according to claim 1, wherein the shock-absorbing pole (6) is made of rubber.