CN203367113U - Disconnecting link closing/opening assistor - Google Patents
Disconnecting link closing/opening assistor Download PDFInfo
- Publication number
- CN203367113U CN203367113U CN 201320383079 CN201320383079U CN203367113U CN 203367113 U CN203367113 U CN 203367113U CN 201320383079 CN201320383079 CN 201320383079 CN 201320383079 U CN201320383079 U CN 201320383079U CN 203367113 U CN203367113 U CN 203367113U
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- wedge
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- pull bar
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- 238000007373 indentation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to a disconnecting link closing/opening assistor and mainly solves a problem of inadequate closing of a disconnecting link in the prior art. The disconnecting link closing/opening assistor comprises a connection portion and a work portion, wherein the connection portion is fixedly connected with an insulation rod, an upper portion of the work portion is provided with a rectangular block of a C-shaped groove, two fan-shaped slide blocks are arranged in the C-shaped groove and are in slide matching with the C-shaped groove through arc slots respectively, first pre-tightening springs are arranged between the rectangular block and the fan-shaped slide blocks, the rectangular block is provided with the second spring mounting portion, a wedge block is arranged in the second spring mounting portion through the second spring, two sides of the wedge block are in wedge matching with wedge notches of the fan-shaped slide blocks, the two fan-shaped slide blocks are driven by motion of the wedge block to simultaneously slide towards two sides in the C-shaped groove to form two limit positions, so the two fan-shaped slide blocks form one major arc or one minor arc. A connection rod is effectively clamped by the fan-shaped slide blocks, so the problem of inadequate closing of partial phases or three phases of the disconnecting link is effectively solved.
Description
Technical field
The utility model relates to circuit service kit technical field, and specifically a kind of disconnecting link closes a floodgate and operates a switch assistor.
Background technology
Along with the development of national economy, the electric load growth rate is exceedingly fast.Designing unit considers for aspects such as economy, reliabilities, relating to that zone is wide, area is large, during the situation of load, more employing the outlet of 35kV electric pressure.For example: the disconnecting link that existing five the 35kV outlets of 220kV Pingyin transformer station, 2 changes used, 2 capacitors, 2 groups of bus PT amount to 11 intervals of putting into operation is the GN2-35 type, accounts for 85% of this grade disconnecting link equipment used.35kV electric pressure line maintenance is more, the station equipment frequent operation, along with the odjective cause such as the time length that puts into operation, ageing equipment, environmental pollution, equipment transmission mechanism is not in place, GN2-35 type disconnecting link is when closing a floodgate, the indivedual phases of moving contact are arranged, even three-phase closes a floodgate less than the situation of position, need drawing repeatedly, not only extend the operating time, lower efficiency and brought very big inconvenience and potential safety hazard to operations staff's operation.
At the scene for the GN2-35 type disconnecting link situation not in place of closing a floodgate, there is no specific purpose tool at present, just utilize the insulating bar head to be contacted.
The utility model content
The purpose of this utility model is to provide a kind of disconnecting link to close a floodgate and operates a switch assistor, at first the ability that there is rapid closing, and guarantee not come off in the process of closing a floodgate, the another one function is to have the function that quick and stable is operated a switch, and with existing insulating bar, carries out coordinating operation.
The technical scheme in the invention for solving the technical problem is: a kind of disconnecting link closes a floodgate and operates a switch assistor, has connecting portion and operate portions, it is characterized in that,
Described connecting portion is threaded with insulating bar;
Described operate portions is a rectangular block, and be provided with the C connected in star on described rectangular block, in the two sides of described C connected in star, be two arc-shaped slots, being arranged in the C connected in star and being slidably matched by arc-shaped slot and C connected in star respectively of two quadrant block symmetries, and be provided with the first preloading spring between rectangular block and quadrant block;
Be provided with one second spring fitting section on the rectangular block of described C connected in star centre, and pass through wedge of the second spring fitting in the second spring fitting section, the wedge-shaped indentation of described wedge both sides and quadrant block is carried out wedge-like engagement; By the motion of wedge, two quadrant blocks synchronously to two Slideslips, have two kinds of extreme positions in the C connected in star:
When wedge is positioned at peak, two quadrant blocks form a semi arch that is less than or equal to 90 degree;
When wedge is positioned at minimum point, two quadrant blocks form a major arc that is greater than 90 degree.
Described the first preloading spring is arranged in arc-shaped slot and both ends of the spring contacts with quadrant block with rectangular block respectively.
Also comprise a pull bar, described pull bar one end is articulated in rectangular block one side by rotating shaft, and the other end of pull bar is provided with second groove contrary with C connected in star opening; Described pull bar has folding and launches two states, is respectively used to close a floodgate and the two kinds of working conditions of operating a switch.
Also comprise a pull bar, described pull bar is vertically fixed on rectangular block one side, and the other end of pull bar is provided with second groove contrary with C connected in star opening.
A kind of disconnecting link closes a floodgate and operates a switch assistor, has connecting portion and operate portions, it is characterized in that,
Described connecting portion and insulating bar are fastened and connected;
Described operate portions is a rectangular block, and be provided with the C connected in star on described rectangular block, in the two sides of described C connected in star, be two arc-shaped slots, being arranged in the C connected in star and being slidably matched by arc-shaped slot and C connected in star respectively of two quadrant block symmetries, and be provided with the first preloading spring between rectangular block and quadrant block;
Be provided with one second spring fitting section on the rectangular block of described C connected in star centre, and pass through wedge of the second spring fitting in the second spring fitting section, the wedge-shaped indentation of described wedge both sides and quadrant block is carried out wedge-like engagement; By the motion of wedge, two quadrant blocks synchronously to two Slideslips, have two kinds of extreme positions in the C connected in star:
When wedge is positioned at peak, two quadrant blocks form a semi arch that is less than or equal to 90 degree;
When wedge is positioned at minimum point, two quadrant blocks form a major arc that is greater than 90 degree.
Described the first preloading spring is arranged in arc-shaped slot and both ends of the spring contacts with quadrant block with rectangular block respectively.
Also comprise a pull bar, described pull bar one end is articulated in rectangular block one side by rotating shaft, and the other end of pull bar is provided with second groove contrary with C connected in star opening; Described pull bar has folding and launches two states, is respectively used to close a floodgate and the two kinds of working conditions of operating a switch.
Also comprise a pull bar, described pull bar is vertically fixed on rectangular block one side, and the other end of pull bar is provided with second groove contrary with C connected in star opening.
The beneficial effects of the utility model are:
1, clear, simple in structure, the convenient operation of the utility model principle, the operating time is few, has improved operating efficiency.
2, disconnecting link closes a floodgate rear equipment with high pressure (general 35kV) voltage, can carry out hot line job, and operating process is without de-bar effect, and this operation tool has insulating properties, the fail safe of height.
3, well the insulating bar in each transformer station is combined, simple and convenient assembly.
4, utilize existing insulating bar to be installed, and insulating bar knot while being incorporated in operation with the insulating gloves of transformer station's standard configuration, met the insulating properties to the charging equipment operation.
Slippage, can not occur in 5, better combination of groove and disconnecting link connecting rod, and manpower is accurately transmitted.
The accompanying drawing explanation
The end view that Fig. 1 is disconnecting link;
Fig. 2 is stereogram of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is B-B cutaway view in Fig. 3;
Fig. 5 is A place partial enlarged drawing in Fig. 4;
Another limiting condition that Fig. 6 is Fig. 5;
The cutaway view that Fig. 7 is Fig. 2;
The front view that Fig. 8 is Fig. 7;
The stereogram that Fig. 9 is quadrant block;
The stereogram that Figure 10 is wedge;
The stereogram that Figure 11 is rectangular block;
The connection diagram that Figure 12 is assistor and insulating bar 7;
In figure: 1 rectangular block, 11C connected in star, 12 arc-shaped slots, 13 second spring fitting sections, 14 square grooves, 2 quadrant blocks, 21 wedge-shaped indentation, 22 arc buckles, 31 first preloading springs, 32 second springs, 4 wedges, 41 wedge-like engagement, 5 pull bars, 51 rotating shafts, 52 second grooves, 6 connecting portions, 7 insulating bars.
Embodiment
As shown in Figures 1 to 12,
A kind of disconnecting link closes a floodgate and operates a switch assistor, has connecting portion 6 and operate portions,
The rectangular block 1 that operate portions is a stainless steel, and mill out a C connected in star 11 on rectangular block 1, two sides at C connected in star 11 form two arc-shaped slots 12 by the mode of removing entity, two quadrant blocks 2 are slidably matched with C connected in star 11 by the arc-shaped slot 12 of both sides, in quadrant block 2 both sides, it is arc buckle 22, and be provided with the first preloading spring 31 between rectangular block 1 and quadrant block 2, the first preloading spring 31 is arranged in arc-shaped slot 12 and both ends of the spring contacts with quadrant block 2 with rectangular block 1 respectively, form preliminary pretension, it is a pretension back-moving spring.Wherein quadrant block 2 internal diameter size identical with the connecting rod diameter in disconnecting link, can realize coordinating preferably like this.
Be provided with one second spring fitting section 13 on the rectangular block 1 of C connected in star 11 centre, and by the second spring 32, a wedge 4 is installed in the second spring fitting section, in order to coordinate the installation of spring, the second spring fitting section 13 bottoms are circular hole, the first half side of being taper hole shape, corresponding position at quadrant block 2 is provided with wedge-shaped indentation 21, wedge 4 both sides and quadrant block 2 carry out wedge-like engagement 41 like this, hold intelligible, motion by wedge 4, two quadrant blocks 2 synchronously to two Slideslips, have two kinds of extreme positions in C connected in star 11:
As Fig. 5, when wedge 4 is positioned at peak, two quadrant blocks 2 form a semi arch that is less than or equal to 90 degree; For initial condition, connecting rod block very easily and.
As Fig. 6, when wedge 4 is positioned at minimum point, two quadrant blocks 2 form a major arc that is greater than 90 degree, are operating state, and this is because quadrant block 2 can tightly be embraced connecting rod, prevents that connecting rod from coming off in groove.
Also comprise a pull bar 5, pull bar 5 one ends are articulated in rectangular block 1 one sides by rotating shaft 51, for improving the compactness of instrument, establish a square groove 14 on the rectangular block 1 at pull bar 5 folding positions, make pull bar 5 folded states more hidden, and the other end of pull bar 5 is provided with second groove 52 contrary with C connected in star 11 openings, use when operating a switch; Described pull bar 5 has folding and launches two states, is respectively used to close a floodgate and the two kinds of working conditions of operating a switch.
The top of existing insulating bar 7 is mostly internal thread, and connecting portion 6 is designed to screw thread, and connecting portion 6 is threaded with insulating bar 7.
Use procedure is as follows:
Combined floodgate work: at first pull bar 5 is broken to folded state, and whole device is screwed at the top of insulating bar 7, with reference to Figure 12, then the connecting rod of disconnecting link aimed at C connected in star 11 positions by hand-held insulating bar 7, firmly, under top, connecting rod is contacted with wedge 4 gradually, continues firmly, connecting rod compressing wedge 4 moves down, in wedge 4 folding processes, wedge 4 promotes quadrant block 2 to two Slideslips, in the process of sliding, gradually embrace connecting rod, until wedge 4 arrives minimum points.After combined floodgate puts in place, remove external force, quadrant block 2, wedge 4 automatically reset.
The work of operating a switch: with reference to figure 4, at first pull bar 5 is broken to deployed condition, with the second groove 52 on pull bar 5, catch on connecting rod, pull at down and get final product.
As another one embodiment,
The present situation that is fast connecting fastener for the top of existing insulating bar 7, connecting portion is designed to buckle structure, and connecting portion carries out fast fastening with insulating bar 7 and is connected.
Be simplified design in addition, pull bar 5 directly is vertically fixed on to rectangular block 1 one sides, and the other end of pull bar 5 is provided with second groove 52 contrary with C connected in star 11 openings, can play the function of operating a switch equally.
Claims (8)
1. a disconnecting link closes a floodgate and operates a switch assistor, has connecting portion and operate portions, it is characterized in that,
Described connecting portion is threaded with insulating bar;
Described operate portions is a rectangular block, and be provided with the C connected in star on described rectangular block, in the two sides of described C connected in star, be two arc-shaped slots, being arranged in the C connected in star and being slidably matched by arc-shaped slot and C connected in star respectively of two quadrant block symmetries, and be provided with the first preloading spring between rectangular block and quadrant block;
Be provided with one second spring fitting section on the rectangular block of described C connected in star centre, and pass through wedge of the second spring fitting in the second spring fitting section, the wedge-shaped indentation of described wedge both sides and quadrant block is carried out wedge-like engagement; By the motion of wedge, two quadrant blocks synchronously to two Slideslips, have two kinds of extreme positions in the C connected in star:
When wedge is positioned at peak, two quadrant blocks form a semi arch that is less than or equal to 90 degree;
When wedge is positioned at minimum point, two quadrant blocks form a major arc that is greater than 90 degree.
2. a kind of disconnecting link according to claim 1 closes a floodgate and operates a switch assistor, it is characterized in that, described the first preloading spring is arranged in arc-shaped slot and both ends of the spring contacts with quadrant block with rectangular block respectively.
3. a kind of disconnecting link according to claim 1 and 2 closes a floodgate and operates a switch assistor, it is characterized in that, also comprise a pull bar, described pull bar one end is articulated in rectangular block one side by rotating shaft, and the other end of pull bar is provided with second groove contrary with C connected in star opening; Described pull bar has folding and expansion two states.
4. a kind of disconnecting link according to claim 1 and 2 closes a floodgate and operates a switch assistor, it is characterized in that, also comprise a pull bar, described pull bar is vertically fixed on rectangular block one side, and the other end of pull bar is provided with second groove contrary with C connected in star opening.
5. a disconnecting link closes a floodgate and operates a switch assistor, has connecting portion and operate portions, it is characterized in that,
Described connecting portion and insulating bar are fastened and connected;
Described operate portions is a rectangular block, and be provided with the C connected in star on described rectangular block, in the two sides of described C connected in star, be two arc-shaped slots, being arranged in the C connected in star and being slidably matched by arc-shaped slot and C connected in star respectively of two quadrant block symmetries, and be provided with the first preloading spring between rectangular block and quadrant block;
Be provided with one second spring fitting section on the rectangular block of described C connected in star centre, and pass through wedge of the second spring fitting in the second spring fitting section, the wedge-shaped indentation of described wedge both sides and quadrant block is carried out wedge-like engagement; By the motion of wedge, two quadrant blocks synchronously to two Slideslips, have two kinds of extreme positions in the C connected in star:
When wedge is positioned at peak, two quadrant blocks form a semi arch that is less than or equal to 90 degree;
When wedge is positioned at minimum point, two quadrant blocks form a major arc that is greater than 90 degree.
6. a kind of disconnecting link according to claim 5 closes a floodgate and operates a switch assistor, it is characterized in that, described the first preloading spring is arranged in arc-shaped slot and both ends of the spring contacts with quadrant block with rectangular block respectively.
7. close a floodgate and operate a switch assistor according to the described a kind of disconnecting link of claim 5 or 6, it is characterized in that, also comprise a pull bar, described pull bar one end is articulated in rectangular block one side by rotating shaft, and the other end of pull bar is provided with second groove contrary with C connected in star opening; Described pull bar has folding and expansion two states.
8. close a floodgate and operate a switch assistor according to the described a kind of disconnecting link of claim 5 or 6, it is characterized in that, also comprise a pull bar, described pull bar is vertically fixed on rectangular block one side, and the other end of pull bar is provided with second groove contrary with C connected in star opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383079 CN203367113U (en) | 2013-06-28 | 2013-06-28 | Disconnecting link closing/opening assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383079 CN203367113U (en) | 2013-06-28 | 2013-06-28 | Disconnecting link closing/opening assistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367113U true CN203367113U (en) | 2013-12-25 |
Family
ID=49814838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320383079 Expired - Lifetime CN203367113U (en) | 2013-06-28 | 2013-06-28 | Disconnecting link closing/opening assistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203367113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311036A (en) * | 2013-06-28 | 2013-09-18 | 国家电网公司 | Knife switch switching on and off aid |
-
2013
- 2013-06-28 CN CN 201320383079 patent/CN203367113U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311036A (en) * | 2013-06-28 | 2013-09-18 | 国家电网公司 | Knife switch switching on and off aid |
| CN103311036B (en) * | 2013-06-28 | 2015-12-09 | 国家电网公司 | A kind of disconnecting link closes a floodgate and operates a switch assistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |