CN111180250A - Disconnecting link anti-drop device is kept apart to 10kV - Google Patents
Disconnecting link anti-drop device is kept apart to 10kV Download PDFInfo
- Publication number
- CN111180250A CN111180250A CN201911395471.6A CN201911395471A CN111180250A CN 111180250 A CN111180250 A CN 111180250A CN 201911395471 A CN201911395471 A CN 201911395471A CN 111180250 A CN111180250 A CN 111180250A
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- China
- Prior art keywords
- shaped plate
- plate
- fixedly connected
- lifting
- shaped
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
Abstract
The invention relates to a 10kV isolation switch anti-drop device, which comprises a suspension mechanism; the suspension mechanism comprises an operation sleeve, a notch, a U-shaped plate and a side baffle, wherein the notch is formed in the top end of the U-shaped plate, the side baffle is fixedly connected to one end of the U-shaped plate, the operation sleeve is fixedly connected to one end, far away from the side plate, of the U-shaped plate, and a jack is formed in the operation sleeve; a lifting mechanism; the lifting mechanism is connected with the suspension mechanism and comprises a lifting plate, a connecting bolt, a connecting nut and a strip-shaped hole, the strip-shaped hole is formed in one end of the lifting plate, and the connecting bolt penetrates through the U-shaped plate and the strip-shaped hole and is detachably and fixedly connected with the lifting plate through the connecting nut; a hold-down mechanism; can support through lifting the board and keep apart the switch and move quiet tool arm, prevent to keep apart the separation of switch sound tool arm, then the cooperation through connecting bolt and connecting nut will lift the board and fix with the U-shaped board, prevent to lift the board at the installation in lateral shifting.
Description
Technical Field
The invention relates to the field of isolation switch equipment, in particular to a 10kV isolation switch anti-falling device.
Background
The isolation disconnecting link is an electrical appliance which is used most in high-voltage switching electrical appliances, has simpler working principle and structure, but has high requirements on working reliability due to large using amount and larger influence on the design, establishment and safe operation of a substation and a power plant, and has the main characteristic of no arc extinguishing capability and can only be switched on and off under the condition of no load current; the distance between the isolation switch insulating supports of the 10kV isolation switch is increased due to conductor waving caused by strong wind in operation, and the isolation switch can be accidentally dropped due to the increased distance between the isolation switch insulating supports; or the spring of the anti-drop hook of the isolation switch is corroded and aged to cause the anti-drop hook of the isolation switch to retract, so that the movable contact and the fixed contact are separated to cause the isolation switch to drop accidentally, the isolation switch drops accidentally to cause the on-load disconnection, and the isolation switch has no arc extinguishing device, so that a 10kV line short circuit accident is caused, and the power supply reliability is influenced; and at present, no anti-drop device specially used for the 10kV isolation disconnecting link exists;
in summary, the present application provides a 10kV disconnecting link anti-drop device to solve the above problems.
Disclosure of Invention
The invention aims to provide a 10kV isolating switch anti-falling device, which is used for solving the problems in the background technology and has the advantages of convenience in use, simplicity in operation, high systematicness and strong practicability.
In order to achieve the purpose, the invention provides the following technical scheme: a10 kV isolation switch anti-drop device comprises a suspension mechanism; the hanging mechanism comprises an operation sleeve, a notch, a U-shaped plate and a side baffle, wherein the notch is formed in the top end of the U-shaped plate, the side baffle is fixedly connected to one end of the U-shaped plate, the operation sleeve is fixedly connected to one end, far away from the side plate, of the U-shaped plate, and a jack lifting mechanism is arranged in the operation sleeve; the lifting mechanism is connected to the suspension mechanism and comprises a lifting plate, a connecting bolt, a connecting nut and a strip-shaped hole, the strip-shaped hole is formed in one end of the lifting plate, and the connecting bolt penetrates through the U-shaped plate and the strip-shaped hole and is detachably and fixedly connected with the lifting plate through the connecting nut; a hold-down mechanism; the pressing mechanism is connected with the lifting mechanism and the hanging mechanism and comprises a screw rod, a ball nut and a bearing, the ball nut is fixedly embedded at the bottom end of the U-shaped plate, the bearing is fixedly embedded at the bottom end of the lifting plate, and the screw rod is rotatably connected with the ball nut and is tightly and fixedly connected with an inner ring of the bearing; a sliding mechanism; the sliding mechanism is connected with the lifting mechanism and the hanging mechanism; a positioning mechanism; the positioning mechanism is connected to the suspension mechanism.
Preferably, the pressing mechanism further comprises a handle, and the handle is fixedly connected to one end, far away from the bearing, of the screw rod.
More preferably, the operation sleeve further comprises a connecting seat and an annular fixing ring, the connecting seat is fixedly connected to one end of the U-shaped plate, and the operation sleeve is fixedly connected with the connecting seat through the annular fixing ring.
More preferably, slide mechanism includes slide rail and draw runner, slide rail fixed connection is in the inner wall of U-shaped board, the position fixedly connected with draw runner of the slide rail that the lifting plate corresponds, draw runner sliding connection is in the slide rail.
More preferably, positioning mechanism includes positioning bolt and splint, positioning bolt threaded connection is in the operation sleeve, just positioning bolt's one end is located jack internal fixation and is connected with splint.
More preferably, the side baffle and the U-shaped plate are of an integrally formed structure.
More preferably, the number of the pressing mechanisms is two, and the two pressing mechanisms are symmetrically connected to two sides of the bottom end of the U-shaped plate.
More preferably, the number of the sliding mechanisms is two, and the two sliding mechanisms are symmetrically connected to two sides of the inner wall of the U-shaped plate.
More preferably, the top end of the lifting plate is fixedly connected with an anti-abrasion pad.
More preferably, the handle is engraved with anti-slip lines.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, through the mutual matching of the operating sleeve, the notch, the U-shaped plate, the side baffle, the lifting plate, the connecting bolt, the connecting nut and the strip-shaped hole, the lifting plate can abut against the movable and static knife arms of the isolation knife gate to prevent the movable and static knife arms of the isolation knife gate from being separated, then the lifting plate and the U-shaped plate are fixed through the matching of the connecting bolt and the connecting nut, then the lifting plate can be prevented from horizontally shaking while sliding on the connecting bolt through the strip-shaped hole in the vertical movement process of the lifting plate through the matching of the connecting bolt and the connecting nut, and after the lifting plate is moved, the lifting plate is fixed on the U-shaped plate through the matching of the connecting bolt and the connecting nut; 2. according to the invention, the screw rod, the ball nut and the bearing are matched with each other, the screw rod can be driven to rotate by rotating the handle, and the screw rod moves upwards under the action of the ball nut, so that the screw rod drives the lifting plate to move up and down for adjustment, and the effects of pressing or loosening the lifting plate and the movable and fixed knife arms of the isolation knife switch are achieved; 3. according to the invention, through the mutual matching of the slide rail and the slide bar, when the lead screw drives the lifting plate to move upwards, the lifting plate can slide on the slide rail through the slide bar, so that the movement of the lifting plate is relatively stable, and the adjustment is convenient.
Drawings
FIG. 1 is a side view of a U-shaped plate of a base plate according to the present invention;
FIG. 2 is a schematic front view of a U-shaped plate according to the present invention;
FIG. 3 is a schematic top view of the U-shaped plate of the present invention;
fig. 4 is an enlarged schematic view of the area a in fig. 1 according to the present invention.
In the reference symbols: 1. a U-shaped plate; 2. a notch; 3. a lifting plate; 4. a strip-shaped hole; 5. a connecting bolt; 6. a connecting nut; 7. a bearing; 8. a screw rod; 9. a ball nut; 10. a handle; 11. a side dam; 12. an operating sleeve; 13. a jack; 14. a connecting seat; 15. an annular retainer ring; 16. positioning the bolt; 17. a splint; 18. an anti-wear pad; 19. a slide rail; 20. and (4) a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, 2 and 3, an anti-drop device for a 10kV isolation switch, a suspension mechanism; the hanging mechanism comprises an operation sleeve 12, a notch 2, a U-shaped plate 1 and a side baffle 11, wherein the notch 2 is formed in the top end of the U-shaped plate 1, the side baffle 11 is fixedly connected to one end of the U-shaped plate 1, the operation sleeve 12 is fixedly connected to one end, far away from a side plate, of the U-shaped plate 1, and a jack 13 is formed in the operation sleeve 12; an insulating operating rod is inserted through the jack 13, and the U-shaped plate 1 is clamped on an insulating support of the isolation switch by the insulating operating rod, so that the equipment is fixed and the mechanism is lifted; the lifting mechanism is connected to the suspension mechanism and comprises a lifting plate 3, a connecting bolt 5, a connecting nut 6 and a strip-shaped hole 4, the strip-shaped hole 4 is formed in one end of the lifting plate 3, and the connecting bolt 5 penetrates through the U-shaped plate 1 and the strip-shaped hole 4 and is detachably and fixedly connected with the lifting plate 3 through the connecting nut 6; after the lifting plate 3 is pushed against the moving and static knife arms of the isolation switch through the up-and-down movement of the lifting plate, the lifting plate 3 is fixed and pressed by the matching of a connecting bolt 5, a strip-shaped hole 4 and a connecting nut 6; the pressing mechanism is connected with the lifting mechanism and the suspension mechanism, the pressing mechanism comprises a screw rod 8, a ball nut 9 and a bearing 7, the ball nut 9 is fixedly embedded at the bottom end of the U-shaped plate 1, the bearing 7 is fixedly embedded at the bottom end of the lifting plate 3, the screw rod 8 is rotatably connected with the ball nut 9 and is tightly and fixedly connected with an inner ring of the bearing 7, the screw rod 8 is rotated, so that the screw rod 8 rotates at the bottom end of the lifting plate 3 through the bearing 7, meanwhile, the screw rod 8 rotates on the ball nut 9, and the ball nut 9 is fixed at the bottom end of the U-shaped plate 1, so that the screw rod 8 drives the lifting plate 3 to move upwards under the action of the ball nut 9 until the lifting plate 3 abuts against the movable and fixed knife arms of the isolation knife gate, and the fixation of the isolation knife; a sliding mechanism; the sliding mechanism is connected with the lifting mechanism and the hanging mechanism; a positioning mechanism; the positioning mechanism is connected with the suspension mechanism; the pressing mechanism further comprises a handle 10, the handle 10 is fixedly connected to one end, far away from the bearing 7, of the screw rod 8, and the screw rod 8 is driven to rotate by rotating the handle 10; the connecting device further comprises a connecting seat 14 and an annular fixing ring 15, wherein the connecting seat 14 is fixedly connected to one end of the U-shaped plate 1, the operating sleeve 12 is fixedly connected with the connecting seat 14 through the annular fixing ring 15, the operating sleeve 12 can be tightly connected to the U-shaped plate 1 through the matching of the annular fixing ring 15 and the connecting seat 14, and the connecting seat 14 can be welded on the U-shaped plate 1;
the bearing 7 can adopt a deep groove ball bearing, and has the advantages of simple structure, convenient use, durability and no need of frequent maintenance; the bearing has small friction coefficient, high limit rotation speed, simple structure, low manufacturing cost and easy achievement of higher manufacturing precision;
the lifting plate 3 can be prevented from horizontally shaking while sliding on the connecting bolt 5 through the strip-shaped hole 4 in the vertical movement process of the lifting plate 3 through the matching of the connecting bolt 5 and the connecting nut 6, and the lifting plate 3 is fixed on the U-shaped plate 1 through the matching of the connecting bolt 5 and the connecting nut 6 after the movement of the lifting plate 3 is finished;
the side baffle 11 and the U-shaped plate 1 are of an integrally formed structure, and the U-shaped plate 1 can be prevented from inclining through the side baffle 11 when the equipment is installed through the insulating operating rod;
the two pressing mechanisms are symmetrically connected to two sides of the bottom end of the U-shaped plate 1, so that the process that the screw rod 8 drives the lifting plate 3 to move is more stable;
the top end of the lifting plate 3 is fixedly connected with an anti-abrasion pad 18, so that the isolation disconnecting link is prevented from being damaged by the interference of the movable disconnecting link and the fixed disconnecting link of the isolation disconnecting link in a long-time use process;
anti-skid lines are carved on the handle 10 and used for preventing skidding;
the working process is as follows: when in use, firstly the insulation operating rod is inserted into the jack 13 in the operating sleeve 12, the U-shaped plate 1 is clamped on the insulation support of the isolation switch by the insulation operating rod to realize the fixation of the device, then the screw rod 8 is driven to rotate by the rotating handle 10, the screw 8 rotates at the bottom end of the lifting plate 3 through the bearing 7, and simultaneously the screw 8 rotates on the ball nut 9, because the ball nut 9 is fixed at the bottom end of the U-shaped plate 1, so that the screw rod 8 drives the lifting plate 3 to move upwards under the action of the ball nut 9 until the lifting plate 3 props against the movable and fixed knife arms of the isolation switch, so realize keeping apart the fixed of switch, after U-shaped plate 1 is fixed the isolation switch, will lift board 3 and U-shaped plate 1 and fix with connecting nut 6's cooperation after passing U-shaped plate 1 and bar hole 4 through connecting bolt 5, so alright guarantee to lift board 3 can not take place the level at the during operation and rock.
Example two
As a preferable scheme of the first embodiment, please refer to fig. 1 and 2, the sliding mechanism includes a sliding rail 19 and a sliding bar 20, the sliding rail 19 is fixedly connected to an inner wall of the U-shaped plate 1, the sliding bar 20 is fixedly connected to a position of the sliding rail 19 corresponding to the lifting plate 3, the sliding bar 20 is slidably connected to the sliding rail 19, and when the screw 8 drives the lifting plate 3 to move upward, the lifting plate 3 slides on the sliding rail 19 through the sliding bar 20, so that the movement of the lifting plate 3 is relatively stable, and is convenient to adjust;
the two sliding mechanisms are symmetrically connected to two sides of the inner wall of the U-shaped plate 1;
the working process is as follows: when the lead screw 8 drives the lifting plate 3 to move upwards, the lifting plate 3 slides on the slide rail 19 through the slide bar 20, so that the lifting plate 3 moves more stably in the U-shaped plate 1, and is adjusted according to the field condition in time, and the operation is convenient.
EXAMPLE III
As a preferable scheme of the first embodiment or the second embodiment, please refer to fig. 1 and fig. 4, the positioning mechanism includes a positioning bolt 16 and a clamping plate 17, the positioning bolt 16 is rotatably connected to the operating sleeve 12 by a thread, and one end of the positioning bolt 16 is located in the insertion hole 13 and fixedly connected with the clamping plate 17;
wherein, the splint 17 can be provided with an anti-skid pad for increasing the friction force between the insulating operating rod and the splint 17 and deepening the fixing effect;
the working process is as follows: during the use, insert the jack 13 in the operation sleeve 12 with insulating bar in, utilize insulating bar to block the U template on the insulating pillar of isolation switch, realize the fixed of this equipment, then through rotating positioning bolt 16, positioning bolt 16 rotates in operation sleeve 12 and drives splint 17 and fix the centre gripping to insulating bar, has guaranteed the stability of insulating bar in operation sleeve 12.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (10)
1. The utility model provides a 10kV keeps apart switch dropout prevention means which characterized in that: comprises that
A suspension mechanism; the hanging mechanism comprises an operation sleeve (12), a notch (2), a U-shaped plate (1) and a side baffle (11), wherein the notch (2) is formed in the top end of the U-shaped plate (1), the side baffle (11) is fixedly connected to one end of the U-shaped plate (1), the operation sleeve (12) is fixedly connected to one end, far away from a side plate, of the U-shaped plate (1), and a jack (13) is formed in the operation sleeve (12);
a lifting mechanism; the lifting mechanism is connected to the hanging mechanism and comprises a lifting plate (3), a connecting bolt (5), a connecting nut (6) and a strip-shaped hole (4), the strip-shaped hole (4) is formed in one end of the lifting plate (3), and the connecting bolt (5) penetrates through the U-shaped plate (1) and the strip-shaped hole (4) and is detachably and fixedly connected with the lifting plate (3) through the connecting nut (6);
a hold-down mechanism; the pressing mechanism is connected with the lifting mechanism and the hanging mechanism and comprises a screw rod (8), a ball nut (9) and a bearing (7), the ball nut (9) is fixedly embedded at the bottom end of the U-shaped plate (1), the bearing (7) is fixedly embedded at the bottom end of the lifting plate (3), and the screw rod (8) is rotatably connected with the ball nut (9) and is tightly and fixedly connected with an inner ring of the bearing (7);
a sliding mechanism; the sliding mechanism is connected with the lifting mechanism and the hanging mechanism;
a positioning mechanism; the positioning mechanism is connected to the suspension mechanism.
2. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the pressing mechanism further comprises a handle (10), and the handle (10) is fixedly connected to one end, far away from the bearing (7), of the screw rod (8).
3. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the operation sleeve is characterized by further comprising a connecting seat (14) and an annular fixing ring (15), wherein the connecting seat (14) is fixedly connected to one end of the U-shaped plate (1), and the operation sleeve (12) is fixedly connected with the connecting seat (14) through the annular fixing ring (15).
4. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: slide mechanism includes slide rail (19) and draw runner (20), slide rail (19) fixed connection is in the inner wall of U-shaped board (1), the position fixedly connected with draw runner (20) of slide rail (19) that lift board (3) correspond, draw runner (20) sliding connection is in slide rail (19).
5. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: positioning mechanism includes positioning bolt (16) and splint (17), positioning bolt (16) screw thread rotation connects in operation sleeve (12), just the one end of positioning bolt (16) is located jack (13) internal fixation and is connected with splint (17).
6. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the side baffle (11) and the U-shaped plate (1) are of an integrally formed structure.
7. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the two pressing mechanisms are symmetrically connected to two sides of the bottom end of the U-shaped plate (1).
8. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the two sliding mechanisms are symmetrically connected to two sides of the inner wall of the U-shaped plate (1).
9. The 10kV isolating switch anti-drop device according to claim 1, characterized in that: the top end of the lifting plate (3) is fixedly connected with an anti-abrasion pad (18).
10. The 10kV isolating switch anti-drop device according to claim 2, characterized in that: the handle (10) is carved with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395471.6A CN111180250B (en) | 2019-12-30 | 2019-12-30 | Disconnecting link anti-drop device is kept apart to 10kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395471.6A CN111180250B (en) | 2019-12-30 | 2019-12-30 | Disconnecting link anti-drop device is kept apart to 10kV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111180250A true CN111180250A (en) | 2020-05-19 |
| CN111180250B CN111180250B (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395471.6A Active CN111180250B (en) | 2019-12-30 | 2019-12-30 | Disconnecting link anti-drop device is kept apart to 10kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111180250B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3625361A1 (en) * | 1986-07-26 | 1988-02-04 | Efen Elektrotech Fab | Fused load isolator having monitoring contacts |
| CN202488040U (en) * | 2012-03-23 | 2012-10-10 | 河南电力工业学校 | Live working temporary fixator for 10kV isolation switch |
| CN103490291A (en) * | 2013-09-24 | 2014-01-01 | 国家电网公司 | Fuse tube or disconnecting link fall-off preventing mechanism |
| CN203660360U (en) * | 2013-11-30 | 2014-06-18 | 国家电网公司 | Dismounting tool for GW17B-252J disconnecting switch |
| CN104240873A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | High-voltage insulation contact |
-
2019
- 2019-12-30 CN CN201911395471.6A patent/CN111180250B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3625361A1 (en) * | 1986-07-26 | 1988-02-04 | Efen Elektrotech Fab | Fused load isolator having monitoring contacts |
| CN202488040U (en) * | 2012-03-23 | 2012-10-10 | 河南电力工业学校 | Live working temporary fixator for 10kV isolation switch |
| CN104240873A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | High-voltage insulation contact |
| CN103490291A (en) * | 2013-09-24 | 2014-01-01 | 国家电网公司 | Fuse tube or disconnecting link fall-off preventing mechanism |
| CN203660360U (en) * | 2013-11-30 | 2014-06-18 | 国家电网公司 | Dismounting tool for GW17B-252J disconnecting switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111180250B (en) | 2022-05-27 |
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