CN210443477U

CN210443477U - Contact device for high-voltage switch equipment

Info

Publication number: CN210443477U
Application number: CN201921513934.XU
Authority: CN
Inventors: 周铭
Original assignee: Nantong Electromechanical Industry Development Co Ltd
Current assignee: Nantong Electromechanical Industry Development Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-01
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a contact device for high-voltage switchgear, including external sleeve and rotatory sleeve, the one end of external sleeve is twisted through the screw and is connect the end cover, the other end of external sleeve is provided with onion-shaped end cap, the access cable and the output cable that are used for inserting the external electric wire netting are installed to the tip of end cap, the floor is installed to the inside centre of external sleeve, the external sleeve tip of end cap one side is provided with the undercut groove, the internally mounted in the undercut groove has the knob, the knob is connected with the rotatory sleeve through pulling out the inserted bar, this kind of contact device for high-voltage switchgear, simple structure, low cost, through opening and closing of rotatory mode control switch equipment, can prevent the maloperation that personnel or equipment careless touching caused, the security is higher, and this device can be through the method of taking out and taking away rotary equipment, the simple locking switch device avoids children and irrelevant personnel to operate the device.

Description

Contact device for high-voltage switch equipment

Technical Field

The utility model relates to a high tension switchgear field specifically is a contact device for high tension switchgear.

Background

The high-voltage switch is an electric appliance with rated voltage of 3kV or above, is mainly used for switching on and off a conductive loop, and in 2007 + 2012, along with the continuous expansion of the electric power coverage in China, the demand on high-voltage switch equipment is also continuously improved, the total industrial output value of the high-voltage switch manufacturing industry is increased year by year, the percentage of increase on the same scale is above 10%, and the industry keeps a faster development speed.

The contact device for controlling the opening and closing of the high-voltage switch equipment on the market at present generally controls the circuit to be closed in a pressing and pulling mode, misoperation is easily caused under the condition that personnel or equipment are touched carelessly, and the external protection facilities of the switch equipment are insufficient, so that the high-voltage switch equipment cannot be locked and protected when the state of the high-voltage switch equipment needs to be locked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contact device for high tension switchgear to solve the easy maloperation of current high tension switchgear who proposes in the above-mentioned background art, do not possess dead, the protect function's of self-locking problem.

In order to achieve the above object, the utility model provides a following technical scheme: a contact device for high-voltage switch equipment comprises an external sleeve and a rotary sleeve, wherein one end of the external sleeve is screwed and connected with an end cover through threads, the other end of the external sleeve is provided with an onion-shaped end cap, an access cable and an output cable which are used for accessing an external power grid are installed at the end part of the end cap, a ribbed plate is installed in the middle of the inside of the external sleeve, the end part of the external sleeve on one side of the end cover is provided with an inward sunken groove, a knob is installed in the inward sunken groove and connected with the rotary sleeve through an inserting rod, a current-conducting plate is installed at the other end of the rotary sleeve, an insulating plate is installed at the other end of the current-conducting plate, the ribbed plate is embedded on the current-conducting plate, a semi-annular current-conducting arc piece is respectively arranged above and below the insulating plate, and the two current, the conductive arc piece is arranged in an insulating chamber consisting of the outer sleeve, the ribbed plate and the end cap.

Preferably, the outer sleeve is fixedly connected with the end cap, and the outer sleeve is fixedly connected with the rib plate.

Preferably, the rib plate is in sliding sealing fit with the conductive plate and the insulating plate respectively.

Preferably, the knob is fixedly connected with the plugging rod, and the plugging rod is detachably assembled with the rotating sleeve through a screwing thread.

Preferably, the rotating sleeve is fixedly connected with the conductive plate, and the conductive plate is fixedly connected with the insulating plate.

Preferably, the conductive arc pieces are respectively abutted against the conductive plate and the insulating plate.

Preferably, the inside of the insulating chamber is filled with nitrogen gas.

Preferably, the knob is provided with a groove for increasing friction force.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of a contact device for high tension switchgear, simple structure, low cost through opening and closing of rotatory mode control switch device, can prevent the maloperation that personnel or equipment careless touching lead to, the security is higher, and this device can be through taking out the rotary equipment and taking away the method moreover, and simple lock dies the switch device, avoids children, irrelevant personnel to operate this device.

Drawings

Fig. 1 is a front view of a contact arrangement for a high-voltage switchgear according to the invention;

fig. 2 is a right side view of a contact device for a high voltage switchgear according to the invention with the end cap open;

fig. 3 is an internal structural view of a contact device for a high voltage switchgear according to the present invention;

fig. 4 is a schematic sectional view illustrating an assembly of a conductive sheet and an insulating sheet of a contact device for a high voltage switchgear according to the present invention.

In the figure: 1. an outer sleeve; 2. an end cap; 3. a rib plate; 4. an end cap; 5. connecting a cable; 6. an output cable; 7. a knob; 8. an invagination groove; 9. pulling out the insertion rod; 10. rotating the sleeve; 11. a conductive plate; 12. An insulating plate; 13. a conductive arc piece; 14. an insulating chamber.

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. 1-4, a contact device for high voltage switch equipment comprises an external sleeve 1 and a rotary sleeve 10, wherein one end of the external sleeve 1 is screwed with an end cover 2 through threads, the other end of the external sleeve 1 is provided with an onion-shaped end cap 4, the end of the end cap 4 is provided with an access cable 5 and an output cable 6 for accessing an external power grid, the middle inside of the external sleeve 1 is provided with a ribbed plate 3, the end of the external sleeve 1 at one side of the end cover 2 is provided with an inner sunken groove 8, the inner sunken groove 8 is internally provided with a knob 7, the knob 7 is connected with the rotary sleeve 10 through an inserting and pulling rod 9, the other end of the rotary sleeve 10 is provided with a conductive plate 11, the other end of the conductive plate 11 is provided with an insulating plate 12, the ribbed plate 3 is nested on the conductive plate 11, a semi-annular conductive arc piece 13 is respectively arranged above and below the insulating plate 12, and, the conducting arc 13 is located in an insulating chamber 14 formed by the outer sleeve 1, the rib 3 and the end cap 4.

Specifically, the outer sleeve 1 is fixedly connected with the end cap 4, the outer sleeve 1 is fixedly connected with the rib plate 3, and the rib plate 3 can be used for separating the inner cavity of the outer sleeve 1, so that a sealed insulating chamber 14 is formed, and a gas insulating function is provided for the circuit of the device.

Specifically, rib 3 is in sliding sealing engagement with conductive plate 11 and insulating plate 12, respectively, so that the insulating gas in insulating chamber 14 is prevented from leaking.

Specifically, knob 7 and plug-in lever 9 fixed connection, plug-in lever 9 and rotatory sleeve 10 are through precession screw thread detachable assembly together, set up like this and can drive rotatory sleeve 10 screw feed through the rotation of plug-in lever 9.

Specifically, the rotating sleeve 10 is fixedly connected with the conducting plate 11, the conducting plate 11 is fixedly connected with the insulating plate 12, and the spiral feeding of the rotating sleeve 10 can drive the conducting plate 11 and the insulating plate 12 to move, so that the conducting plate 11 and the insulating plate 12 are controlled to be connected into the conducting arc piece 13.

Specifically, conducting arc piece 13 respectively with conducting plate 11 and insulating board 12 butt, set up like this and can adjust and control switching device's opening and closing through the length of adjusting conducting plate 11 and insulating board 12 access conducting arc piece 13.

Specifically, the insulating chamber 14 is filled with nitrogen gas, so that the insulating property between the conductive arc pieces 13 can be improved.

Specifically, the knob 7 is provided with a groove for increasing friction force, so that a user can conveniently rotate the knob 7 to control the access length of the conductive plate 11 and the insulating plate 12.

The working principle is as follows: the device is connected into a circuit to be controlled through an access cable 5 and an output cable 6, the device is fixed through an end cap 4, at ordinary times, a knob 7 is rotated, an inserting rod 9 is pulled out from a rotating sleeve 10 and is covered with an end cover 2, the circuit in the device is protected from water and dust through the end cover 2, when the circuit needs to be regulated, the inserting rod 9 is inserted into a groove in the rotating sleeve 10, the knob 7 is rotated, the rotating sleeve 10 is driven by the knob 7 to adjust the position, the rotating sleeve 10 drives a conductive plate 11 and an insulating plate 12 to adjust the position, the conductive plate 11 and the insulating plate 12 with required length are connected into the middle of a conductive arc piece 13, so that the circuit of the conductive arc piece 13 is controlled to be opened and closed, meanwhile, nitrogen in an insulating chamber 14 can provide insulating effect for the two conductive arc pieces 13, and the conductive arc piece 13 is prevented from being broken through air to cause short circuit, the safety and the stability of the device are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A contact arrangement for a high-voltage switchgear, characterized in that: the cable comprises an external sleeve (1) and a rotary sleeve (10), wherein one end of the external sleeve (1) is screwed with an end cover (2) through threads, the other end of the external sleeve (1) is provided with an onion-shaped end cap (4), the end part of the end cap (4) is provided with an access cable (5) and an output cable (6) which are used for accessing an external power grid, a rib plate (3) is installed in the middle of the inside of the external sleeve (1), the end part of the external sleeve (1) on one side of the end cover (2) is provided with an invagination groove (8), a knob (7) is installed inside the invagination groove (8), the knob (7) is connected with the rotary sleeve (10) through an inserting rod (9), a conductive plate (11) is installed at the other end of the rotary sleeve (10), an insulating plate (12) is installed at the other end of the conductive plate (11), and the rib, the insulation board is characterized in that a semi-annular conductive arc piece (13) is arranged above and below the insulation board (12), the two conductive arc pieces (13) are electrically connected with the access cable (5) and the output cable (6) through cables respectively, and the conductive arc pieces (13) are arranged in an insulation chamber (14) formed by the outer sleeve (1), the rib plate (3) and the end cap (4).

2. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the outer sleeve (1) is fixedly connected with the end cap (4), and the outer sleeve (1) is fixedly connected with the rib plate (3).

3. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the ribbed plate (3) is in sliding sealing fit with the conductive plate (11) and the insulating plate (12) respectively.

4. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the knob (7) is fixedly connected with the plug-in pulling rod (9), and the plug-in pulling rod (9) is detachably assembled with the rotating sleeve (10) through a screwing thread.

5. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the rotating sleeve (10) is fixedly connected with the conductive plate (11), and the conductive plate (11) is fixedly connected with the insulating plate (12).

6. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the conductive arc piece (13) is respectively abutted against the conductive plate (11) and the insulating plate (12).

7. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: the inside of the insulating chamber (14) is filled with nitrogen gas.

8. A contact arrangement for a high-voltage switchgear, according to claim 1, characterized in that: and a groove for increasing friction force is arranged on the knob (7).