CN214956594U

CN214956594U - Double-safety anti-drop device for outdoor high-voltage isolating switch

Info

Publication number: CN214956594U
Application number: CN202120614842.1U
Authority: CN
Inventors: 张豫; 韩天义; 周宗岱; 韩宁; 曾丽红
Original assignee: Guangdong Henganshun Power Equipment Service Co ltd
Current assignee: Guangdong Henganshun Power Equipment Service Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-30
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an outdoor high-voltage isolator dual fail-safe anticreep device, the on-line screen storage device comprises a base, the upper surface of base is provided with right contact seat, the upper surface of base and the left side that is located right contact seat are provided with left contact seat, the upper portion fixedly connected with left side mounting panel of left side contact seat, the last fixed surface of left side mounting panel is connected with the mount pad, the upper portion of mount pad is connected with the plug-in strip through the connecting axle rotation, the upper portion fixedly connected with right side mounting panel of right side contact seat, the last fixed surface of right side mounting panel is connected with the anticreep seat, the last fixed surface of anticreep seat is connected with the restriction body. The utility model discloses in, set up anticreep seat, the restriction body, sliding tray, driving lever, restriction spring, slider, connection slide bar, restriction piece, spliced pole, anticreep piece, compression spring, through mutually supporting of anticreep piece and restriction piece, reached that locking is effectual, dual anticreep, it is safer to use.

Description

Double-safety anti-drop device for outdoor high-voltage isolating switch

Technical Field

The utility model relates to a power equipment technical field especially relates to outdoor high voltage isolator dual fail-safe anticreep device.

Background

With the rapid development of power technology, the number of power equipment is more and more used, a high-voltage isolating switch is one of the commonly used power equipment, the high-voltage isolating switch is an important switching electrical appliance in an electrical system of a power plant and a transformer substation, and needs to be matched with a high-voltage circuit breaker for use, so that the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the high-voltage isolating switch plays a role in isolating voltage, cannot be used for cutting off, putting in load current and cutting off short-circuit current, and can only be used for certain switching operations without generating strong electric arcs, namely, the high-voltage isolating switch does not have an arc extinguishing function.

The applicant is when applying for utility model, through the retrieval, discover that chinese patent discloses "an outdoor isolator anticreep device", its application number is "201621123010.5", this patent is through being provided with anticreep device, reach electric wire netting high-voltage line when slope installation or the outdoor high-voltage isolator of flip-chip, the installation is stable, the purpose that prevents to drop, although the effect of anticreep is better, nevertheless because locking spring exposes the setting completely, lead to along with the lengthening of live time, the effect of locking is unreliable, it is safe inadequately to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-insurance anti-falling device for an outdoor high-voltage isolating switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the double-safety anti-falling device of the outdoor high-voltage isolating switch comprises a base, wherein a right contact seat is arranged on the upper surface of the base, a left contact seat is arranged on the upper surface of the base and positioned on the left side of the right contact seat, a left mounting plate is fixedly connected to the upper part of the left contact seat, a mounting seat is fixedly connected to the upper surface of the left mounting plate, and the upper part of the mounting seat is rotatably connected with a switch blade through a connecting shaft;

the upper part of the right contact seat is fixedly connected with a right mounting plate, the upper surface of the right mounting plate is fixedly connected with an anti-falling seat, the upper surface of the anti-falling seat is fixedly connected with a limiting body, the inside of the limiting body is connected with a sliding block in a sliding manner, a limiting spring is arranged inside the limiting body and on the left side of the sliding block, the right side surface of the sliding block is fixedly connected with a connecting sliding rod, the right side surface of the connecting sliding rod is fixedly connected with a limiting block, the front side surface and the rear side surface of the connecting sliding rod are fixedly connected with deflector rods, and the front side surface and the rear side surface of the limiting body are provided with sliding grooves;

the last fixed surface of right side mounting panel is connected with the spliced pole, the inside sliding connection of spliced pole has anticreep spare, the inside of spliced pole is provided with compression spring.

As a further description of the above technical solution:

the left side mounting panel is located same horizontal plane with the right side mounting panel, the inside of left side mounting panel, right side mounting panel all is provided with the mounting hole.

As a further description of the above technical solution:

the connecting shaft penetrates through the knife switch and the mounting seat, and the anti-falling seat is L-shaped.

As a further description of the above technical solution:

the upper surface of plug-in strip is provided with the recess, anticreep spare is located the recess inside.

As a further description of the above technical solution:

the connecting column is located the left side of the limiting body and is located on the inner side of the knife switch.

As a further description of the above technical solution:

the shifting rod penetrates through the sliding groove, and the limiting block is positioned above the right side end of the knife switch.

As a further description of the above technical solution:

the right side of the limiting block is in contact with the anti-falling seat, and the left side of the limiting block is obliquely arranged.

As a further description of the above technical solution:

the lower surface of the anti-falling part is symmetrically and fixedly connected with a cylinder, and the upper surface of the connecting column is provided with a circular groove.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this outdoor high voltage isolator dual fail-safe anticreep device has set up the anticreep seat, the restriction body, the sliding tray, the driving lever, the restriction spring, the slider, connect the slide bar, the restriction piece, during the use, move to the left side through the driving lever earlier, make the restriction piece remove to the left side, then place the plug-in strip in the anticreep seat, loosen the driving lever again, under the effect of restriction spring, make the restriction piece contact with the anticreep seat always, play the effect of restriction to the plug-in strip, guarantee the stability under the plug-in strip off-state.

2. Compared with the prior art, this outdoor high voltage isolator dual fail-safe anticreep device has set up the spliced pole, anticreep spare, compression spring, when needing the plug-in strip motion, upwards stimulate anticreep spare earlier, compression spring is in the state of compression, then ninety degrees the anticreep spare is rotatory, make the upper portion and the plug-in strip of anticreep spare be parallel to each other, then loosen anticreep spare, under compression spring's effect, anticreep spare contacts with the spliced pole, when needs fixed plug-in strip, make the upper portion and the plug-in strip mutually perpendicular of anticreep spare, carry out the secondary restriction to the plug-in strip, further guarantee the stability under the plug-in strip closed condition, it is safer to use.

Drawings

Fig. 1 is a schematic structural view of a double-insurance anti-tripping device of an outdoor high-voltage isolating switch provided by the utility model;

fig. 2 is an internal schematic view of a limiting body of the dual-safety anti-tripping device of the outdoor high-voltage isolating switch of the present invention;

fig. 3 is an internal schematic view of a connection column of the dual-safety anti-tripping device of the outdoor high-voltage isolating switch of the utility model;

fig. 4 is the utility model provides an outdoor high voltage isolator dual fail-safe anticreep device's spliced pole and anticreep piece's stereogram.

Illustration of the drawings:

1. a base; 2. a right contact base; 3. a left contact base; 4. a left mounting plate; 5. a mounting seat; 6. a disconnecting link; 7. a drop-off prevention member; 8. a restriction body; 9. a sliding groove; 10. a limiting block; 11. an anti-drop seat; 12. a right mounting plate; 13. a connecting shaft; 14. connecting a sliding rod; 15. a deflector rod; 16. a slider; 17. a restraining spring; 18. a compression spring; 19. connecting columns.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the double-safety anti-falling device of the outdoor high-voltage isolating switch comprises a base 1, wherein a right contact seat 2 is arranged on the upper surface of the base 1, a left contact seat 3 is arranged on the upper surface of the base 1 and positioned on the left side of the right contact seat 2, a left mounting plate 4 is fixedly connected to the upper portion of the left contact seat 3, the left mounting plate 4 and a right mounting plate 12 are positioned in the same horizontal plane, mounting holes are formed in the left mounting plate 4 and the right mounting plate 12 and used for mounting, a mounting seat 5 is fixedly connected to the upper surface of the left mounting plate 4, a switch blade 6 is rotatably connected to the upper portion of the mounting seat 5 through a connecting shaft 13, the connecting shaft 13 penetrates through the switch blade 6 and the mounting seat 5, a groove is formed in the upper surface of the switch blade 6, an anti-falling piece 7 is positioned in the groove, and the effect that the anti-falling piece 7 limits the switch blade 6 is better;

the upper part of the right contact seat 2 is fixedly connected with a right mounting plate 12, the upper surface of the right mounting plate 12 is fixedly connected with an anti-drop seat 11, the anti-drop seat 11 is L-shaped and is matched with a limiting body 8 to limit the joint of the switch blade 6, the upper surface of the anti-drop seat 11 is fixedly connected with the limiting body 8, the inside of the limiting body 8 is slidably connected with a sliding block 16, a limiting spring 17 is arranged inside the limiting body 8 and on the left side of the sliding block 16, the right side of the sliding block 16 is fixedly connected with a connecting sliding rod 14, the right side of the connecting sliding rod 14 is fixedly connected with a limiting block 10, the limiting block 10 is arranged above the right side end of the switch blade 6, the right side of the limiting block 10 is contacted with the anti-drop seat 11, the left side is obliquely arranged to ensure the smooth movement of the switch blade 6 without interference, the front side and the rear side of the connecting sliding rod 14 are fixedly connected with a deflector rod 15, and the deflector rod 15 passes through the sliding groove 9, the front side and the rear side of the limiting body 8 are provided with sliding grooves 9, when the limiting device is used, the limiting block 10 moves towards the left side through the deflector rod 15, then the switch blade 6 is placed in the anti-falling seat 11, the deflector rod 15 is released, under the action of the limiting spring 17, the limiting block 10 is always in contact with the anti-falling seat 11, the switch blade 6 is limited, and the stability of the switch blade 6 in a closed state is guaranteed;

the upper surface of the right mounting plate 12 is fixedly connected with a connecting column 19, the connecting column 19 is positioned on the left side of the limiting body 8 and positioned on the inner side of the knife switch 6, the anti-falling part 7 is connected in a sliding manner inside the connecting column 19, the lower surface of the anti-falling part 7 is symmetrically and fixedly connected with a cylinder, the upper surface of the connecting column 19 is provided with a circular groove, the cylinder is matched with the circular groove, so that the state of the anti-falling part 7 is stable, a compression spring 18 is arranged inside the connecting column 19, when the knife switch 6 needs to move, the anti-falling part 7 is pulled upwards firstly, the compression spring 18 is in a compressed state, then the anti-falling part 7 is rotated ninety degrees, the upper part of the anti-falling part 7 is parallel to the knife switch 6, then the anti-falling part 7 is loosened, under the action of the compression spring 18, the anti-falling part 7 is in contact with the connecting column 19, when the knife switch 6 needs to be fixed, the upper part of the anti-falling part 7 is perpendicular to the knife switch 6, the switch blade 6 is limited for the second time, so that the stability of the switch blade 6 in a closed state is further ensured, and the switch blade is safer to use.

The working principle is as follows: when in use, the deflector rod 15 moves to the left side to move the limiting block 10 to the left side, then the knife switch 6 is placed in the anti-falling seat 11, the deflector rod 15 is released, under the action of the limiting spring 17, the limiting block 10 is always contacted with the anti-drop seat 11, the knife switch 6 is limited, the stability of the knife switch 6 in the closing state is ensured, when the knife switch 6 needs to move, the anti-release piece 7 is firstly pulled upwards, the compression spring 18 is in the compression state, then, the escape prevention member 7 is rotated ninety degrees so that the upper portion of the escape prevention member 7 and the blade 6 are parallel to each other, then the escape prevention member 7 is released, under the action of the compression spring 18, the anti-drop piece 7 is contacted with the connecting column 19, when the knife switch 6 needs to be fixed, the upper part of the anti-drop piece 7 is vertical to the knife switch 6, the switch blade 6 is limited for the second time, so that the stability of the switch blade 6 in a closed state is further ensured, and the switch blade is safer to use.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Outdoor high voltage isolator dual fail-safe anticreep device, including base (1), its characterized in that: the upper surface of the base (1) is provided with a right contact seat (2), the upper surface of the base (1) and the left side of the right contact seat (2) are provided with a left contact seat (3), the upper part of the left contact seat (3) is fixedly connected with a left mounting plate (4), the upper surface of the left mounting plate (4) is fixedly connected with a mounting seat (5), and the upper part of the mounting seat (5) is rotatably connected with a switch blade (6) through a connecting shaft (13);

the upper portion of the right contact seat (2) is fixedly connected with a right mounting plate (12), the upper surface of the right mounting plate (12) is fixedly connected with an anti-falling seat (11), the upper surface of the anti-falling seat (11) is fixedly connected with a limiting body (8), the inside of the limiting body (8) is connected with a sliding block (16) in a sliding manner, a limiting spring (17) is arranged inside the limiting body (8) and on the left side of the sliding block (16), the right side surface of the sliding block (16) is fixedly connected with a connecting sliding rod (14), the right side surface of the connecting sliding rod (14) is fixedly connected with a limiting block (10), the front side surface and the rear side surface of the connecting sliding rod (14) are fixedly connected with a deflector rod (15), and the front side surface and the rear side surface of the limiting body (8) are provided with sliding grooves (9);

the upper surface of right side mounting panel (12) fixed connection has spliced pole (19), the inside sliding connection of spliced pole (19) has anticreep piece (7), the inside of spliced pole (19) is provided with compression spring (18).

2. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: left side mounting panel (4) and right side mounting panel (12) are located same horizontal plane, the inside of left side mounting panel (4), right side mounting panel (12) all is provided with the mounting hole.

3. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the connecting shaft (13) penetrates through the knife switch (6) and the mounting seat (5), and the anti-falling seat (11) is L-shaped.

4. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the upper surface of the knife switch (6) is provided with a groove, and the anti-falling part (7) is positioned in the groove.

5. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the connecting column (19) is positioned on the left side of the limiting body (8) and is positioned on the inner side of the knife switch (6).

6. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the shifting rod (15) penetrates through the sliding groove (9), and the limiting block (10) is located above the right side end of the knife switch (6).

7. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the right side surface of the limiting block (10) is in contact with the anti-falling seat (11), and the left side surface of the limiting block is obliquely arranged.

8. The outdoor high-voltage isolating switch double-insurance anti-tripping device of claim 1, is characterized in that: the lower surface of the anti-falling piece (7) is symmetrically and fixedly connected with a cylinder, and the upper surface of the connecting column (19) is provided with a circular groove.