CN201233856Y - Operating rod for high voltage fuse - Google Patents
Operating rod for high voltage fuse Download PDFInfo
- Publication number
- CN201233856Y CN201233856Y CNU2008201161570U CN200820116157U CN201233856Y CN 201233856 Y CN201233856 Y CN 201233856Y CN U2008201161570 U CNU2008201161570 U CN U2008201161570U CN 200820116157 U CN200820116157 U CN 200820116157U CN 201233856 Y CN201233856 Y CN 201233856Y
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- fuse
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- chimeric
- tube
- component
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Abstract
The utility model relates to an operation stick for a high-voltage fuse. A handle part (62) is arranged at the base end of the stick body (61) of the operation stick (60); an embedded holder component (64) is arranged at the front end of the stick body (61); the lower part of the fuse holder (40) of the high-voltage fuse can be inserted and clamped in the embedded holder component (64); the embedded holder component (64) consists of the following components: an embedded holder part (65), a circular ring component (71), a circular-ring-shaped propped component (75) and an outer holder component (69), wherein the embedded holder part (65) is provided with a clamping hole for the fuse holder to be inserted in; the circular ring component (71) sleeves the diameter shrinkage part (70) of the embedded holder part (65); through the elastic thrust of a spring (73) disposed in the diameter shrinkage part (70), the circular-ring-shaped propped component (75) is propped against the clamping protuberance (74) of the circular ring component (71); and the outer holder component (69) covers the circular ring component (71) and the outer peripheral surface of the embedded holder part (65). Therefore, the replacement operations of the on/off operation for a circuit, the replacement for the fuse holder (40) and the like are safely and simply carried out.
Description
Technical field
The hook stick that the utility model uses when relating to a kind of fuse tube that loads and unloads high-tension fuse.
Background technology
In the past, in order to protect power distribution transformer, all used the high-tension fuse that is assembled with the fuse tube in the main body insulator of porcelain system.This high-tension fuse can disconnect distribution line by extract the fuse tube in the main body insulator, also can come closed circuit by the fuse tube is inserted in the main body insulator.
But during the operations such as replacing of the opening and closing operations of distribution line and fuse tube, operating personnel must climb to and carry out operation on the electric pole that high-tension fuse is housed in carrying out high-tension fuse, and this operation bothers very much.
In addition, if unload the airtight bolt of high-tension fuse bottom, the bottom contact of fuse tube, fuse lead-in wire etc. are in the part of charged state and will expose, and therefore, if operating personnel touch the part of this charged state, just might get an electric shock.
The utility model content
Therefore, problem to be solved in the utility model is to make the operations such as replacing of the opening and closing operations of distribution line in the high-tension fuse and fuse tube become as safe as a house and easily carry out.
For addressing the above problem, the hook stick that the utility model provides a kind of high-tension fuse to use is characterized in that, the cardinal extremity of barred body is provided with handle portion, and the front end of barred body is provided with the chimeric cartridge unit that can insert and block the fuse tube lower portion of ending high-tension fuse.
According to the utility model, can be as safe as a house and easily carry out the opening and closing operations of the distribution line in the high-tension fuse and the replacing of fuse tube etc. and change operation.
Description of drawings
Fig. 1 is the end view of hook stick.
Fig. 2 is the vertical view of hook stick.
Fig. 3 is the profile of the chimeric tube of the hook stick portion dissectd of 3-3 lines along Fig. 2.
Fig. 4 is the profile of high-tension fuse.
Fig. 5 is the stereogram of the chimeric tube portion of the bottom of expression fuse tube and hook stick.
Fig. 6 is the profile that the chimeric tube portion of bottom contact and the hook stick of expression fuse tube engages.
Fig. 7 is the fuse tube is extracted in expression from high-tension fuse a profile.
Fig. 8 is the end view of hook stick.
Embodiment
Below, the hook stick 60 that uses when describing the fuse tube 40 that loads and unloads high-tension fuse 1 in detail.
As shown in figures 1 and 3, the cardinal extremity of barred body 61 has handle portion 62, and the front end of barred body 61 is installed with chimeric cartridge unit 64 with pin 63.Chimeric cartridge unit 64 has chimeric tube portion 65 and is positioned at the flange 66 of chimeric cartridge unit 64 cardinal extremities.In chimeric tube portion 65, be formed with the connecting hole 67 that extends vertically, flange 66 has the external diameter bigger than the front end external diameter of chimeric cartridge unit 64.The length of hook stick 60 suitably is set at the length that arrives high-tension fuse 1 from electric pole.Base end part periphery in chimeric tube portion 65 is formed with the steam vent 68 that is communicated with connecting hole 67.
As shown in Figures 2 and 3, the front end periphery in chimeric tube portion 65 is formed with reducing diameter part 70.At reducing diameter part 70, be set with the identical circle ring part 71 of external diameter and chimeric tube portion 65.The front end of circle ring part 71 is outstanding from the front end of reducing diameter part 70.The minor diameter part 72b that large-diameter portion 72a that nationality circle ring part 71 inner peripheral surfaces form and the chimeric tube of nationality portion 65 inner peripheral surfaces form constitutes embedded hole 72.Between large-diameter portion 72a and minor diameter part 72b, be formed with step 72c.
On the front end inner peripheral surface of circle ring part 71, be formed with the relative engaging protrusion 74 of a pair of L of being shape and direction.In addition, in the large-diameter portion 72a of embedded hole 72, between engaging protrusion 74 and step 72c, be provided with circular butt parts 75, between step 72c and butt parts 75, dispose spring 73.And butt parts 75 are connected to engaging protrusion 74 all the time by the bullet thrust of spring 73.In circle ring part 71 and engaging tube portion 65, cover the outer cylinder member 69 of its outer peripheral face, fixing with Screw.
Then high-tension fuse 1 is described with reference to Fig. 4.
As shown in Figure 4, the porcelain system main body insulator 10 of high-tension fuse 1 is made cylindric, and its outer peripheral face is formed with a plurality of insulation walls.The lower end of main body insulator 10 is formed lower ending opening portion 14 by opening.In the inside of main body insulator 10, be formed with cylindric upper chambers 11 and be communicated with upper chambers 11 bottoms and internal diameter greater than the cylindric bottom compartment 12 of upper chambers 11.Central portion in main body insulator 10 upper ends 13 is formed with the logical hole 13a that plugs portion's fixed electrode 23.
In the upper end 13 of main body insulator 10, top installing component 22 logical being inserted in the 13a of hole, and make it in the upper chambers 11 of main body insulator 10, to give prominence to the outside of main body insulator 10, be fixed on the main body insulator 10 with nut 29 again.
On top installing component 22, the top fixed electrode 23 that is being spirally connected, top fixed electrode 23 is fixed on the main body insulator 10 by this top installing component 22.In the outer end of top fixed electrode 23, female screw 21a of portion of the coniform upper mould awl 21 that is being spirally connected.Upper mould awl 21 usefulness bonding agents are bonded in the upper end 13 of main body insulator 10.At the lead-out wire of upper mould awl 21, be connected with the external cable of distribution line.
At the lower sides 15 of main body insulator 10, be formed with the hole 12a that runs through bottom compartment 12 walls, the 31a of screw portion of coniform lower die awl 31, logical being inserted in the 12a of hole, and make it outstanding to bottom compartment 12 inner faces from main body insulator 10.At the 31a of screw portion of lower die awl 31, stationary fixture 36 is being spirally connected.
Lower die awl 31 usefulness bonding agents are bonded on the lower sides 15 of main body insulator 10.On lower die awl 31, be connected with external cable, and be connected with the equipment such as transformer that are arranged on the distribution line.
In the upper chambers 11 of main body insulator 10, be equipped with arc extinguishing tube 35, this arc extinguishing tube 35 is positioned at the below of top fixed electrode 23, covers the medial surface of upper chambers 11, and is the cylindric of both ends open, is made of arc quenching materials such as polyacetals.
In the bottom compartment 12 of main body insulator 10, be assembled with bottom fixed electrode 34 and make roughly discoideus buffer unit 39, above-mentioned bottom fixed electrode 34 is connected the 31a of screw portion of lower die awl 31 via connecting line 32.Bottom fixed electrode 34 is made of the cylindric bottom installing component 33 with logical inserting hole of inserting fuse tube 40 usefulness and a pair of lower electrode sheet 37 and annular electrode support plate 38.In the bottom of bottom installing component 33, be provided with and be fastened on the holding section 33a that is formed at bottom compartment 12 inner peripheral surface slot 12b, prevent that bottom installing component 33 from coming off from main body insulator 10.Buffer unit 39 is fixed by the upside of bottom fixed electrode 34 and the upper surface of bottom compartment 12.On the top of buffer unit 39, butt has arc extinguishing tube 35.
In the lower ending opening portion 14 of bottom compartment 12, fastening lower cover 58 in this lower cover 58, is equipped with lid and closes the airtight bolt 59 of lower ending opening portion 14 usefulness.
In the inside of main body insulator 10, be assembled with the fuse tube 40 that connects top fixed electrode 23 and bottom fixed electrode 34, and make it run through arc extinguishing tube 35.In the upper end of fuse tube 40, be provided with the cylindric top contact 41 that is embedded in top fixed electrode 23.
On top fixed electrode 23, be equipped with the arc extinguishing rod 43 that forms by arc quenching materials such as polyacetals, its top is between upper electrode sheet 24.Upper electrode sheet 24 contacts with top contact 41.
In the bottom of top contact 41, be provided with columned insulating cylinder 42.In the inside of insulating cylinder 42, be provided with the go between fuse 44 of 46 series connection assemblings of electrical fuse element 45 and fuse.Electrical fuse element 45 fuses when one has the electric current of overrate to flow through at once.
In insulating cylinder 42, the cylindric bottom contact 47 with 34 interlockings of bottom fixed electrode in the trip embedding, and can move towards axis direction.In the bottom of insulating cylinder 42, display barrel 48 is being spirally connected.At the outer peripheral face of display barrel 48, be pasted with the lead sealing that zone of reflections etc. has color.
Between bottom contact 47 and display barrel 48, as the spring 49 of the parts of energizing, this spring 49 energizes always for insulating cylinder 42 to the outside of main body insulator 10.Fuse lead-in wire 46 turns back upward from the lower end of display barrel 48, and its end hangs in the screw portion that is arranged at bottom contact 47, and is fixedly clamped with secure component 50 under the state of compression spring 49.That is to say that under this state, fuse lead-in wire 46 remains on tensioning state.
As shown in Figure 5, the following side face at bottom contact 47 is formed with flange part 53.Flange part 53 on the periphery of the lower end of bottom contact 47 is formed with a pair of engaging protuberance 54, and this a pair of engaging protuberance 54 is in the lower portion periphery of fuse tube 40, with the interval of 180 degree of being separated by, in outstanding setting in the other direction.
As shown in Figure 1, be inserted at fuse tube 40 under the state of main body insulator 10, top contact 41 can contact with top fixed electrode 23 with switching on, and bottom contact 47 can be connected with bottom fixed electrode 34 with switching on.That is to say, be loaded at fuse tube 40 under the state of main body insulator 10 that top fixed electrode 23 and bottom fixed electrode 34 are electrically connected by 40 formation of fuse tube.
Below, the action of the high-tension fuse 1 that constitutes in the above described manner is described.
When constructing etc., under the situation with the disconnection of distribution line load, charged and unloaded under the state of airtight bolt at high-tension fuse 1, as Fig. 5 and shown in Figure 7, make the front end and the lower cover 58 of hook stick 60 opposed, will be contained in the lower portion of fuse tube 40 in the high-tension fuse 1, be inserted in the embedded hole 72 of chimeric cartridge unit 64 of hook stick 60.Then, make fuse tube 40 butt parts 75 antagonistic springs 73 bullet thrust and retreat, the front end of chimeric tube portion 64 is connected on the flange part 53 of fuse tube 40 bottom contacts 47.
Then, as shown in Figure 6, by the barred body 61 of rotating operation rod 60, a pair of engaging protuberance 54 with fuse tube 40 is configured between engaging protrusion 74 and the butt parts 75, both are engaged and can not extract.Then,, drop hook stick 60 downwards, can extract fuse tube 40 from high-tension fuse 1 if under this state.
Along with moving down of fuse tube 40, arc extinguishing rod 43 also moves down.Arc extinguishing rod 43 is fastened on the upper end of arc extinguishing tube 35, forms slit between arc extinguishing tube 35 and arc extinguishing rod 43.When top contact 41 and bottom contact 47 when top fixed electrode 23 and bottom fixed electrode 34 are thrown off, can produce electric arc between top contact 41 and the top fixed electrode 23.In the slit of electric arc between the outside wall surface of the internal face 35a of arc extinguishing tube 35 and arc extinguishing rod 43, be subjected to the effect of arc heat, the internal face 35a of the outer peripheral face of arc extinguishing rod 43 and arc extinguishing tube 35 all melts, and produces arc extinguishing gas, under the effect of this arc extinguishing gas, above-mentioned electric arc is eliminated.In dress fuse tube 40, be in advance with the lower portion of fuse tube 40, be inserted in the embedded hole 72 of chimeric cartridge unit 64 of hook stick 60, with above-mentioned same, with the engaging protuberance 54 of fuse tube 40, be disposed between engaging protrusion 74 and the butt parts 75, and make it and to extract.Under this state, utilize hook stick 60, fuse tube 40 is inserted into interior side from the lower end of high-tension fuse 1, make the front end and buffer unit 39 butts of fuse tube 40 bottom contacts 47.Thus, finish the installation of fuse tube 40, make top contact 41 and bottom contact 47 can be respectively with high-tension fuse 1 in top fixed electrode 23 and 34 energisings of bottom fixed electrode.
Afterwards, by backward rotation hook stick 60, the engaging protrusion 74 of 54 pairs of hook sticks 60 of engaging protuberance of arming silk tube 40 and the engaging of butt parts 75 are loaded under the state constant on the high-tension fuse 1 keeping fuse tube 40, only hook stick 60 are unloaded.
When because lightning impulse etc. causes being connected with the electric current that overrate is arranged in the distribution line of high-tension fuse 1 when flowing through, just fusing of electrical fuse element 45, the tensioning state of fuse lead-in wire 46 is just removed, and under the effect of spring 49 elastic force, only insulating cylinder 42 is forced downwardly mobile.So, be held under the state of bottom fixed electrode 34 at the bottom of fuse tube 40 contact 47, top contact 41 breaks away from from top fixed electrode 23, insulating cylinder 42 and airtight bolt 59 butts, airtight bolt 59 comes off from lower cover 58, and display barrel 48 exposes from the lower end of main body insulator 10.Demonstrated by display barrel 48 under the state that electrical fuse element 45 fused, hook stick 60 is connected on the fuse tube 40.And, by under drag hook stick 60, the fuse tube 40 of electrical fuse element 45 fusing can be extracted from main body insulator 10.
When assembling was equipped with the fuse tube 40 of new fuse, with above-mentioned same, hook stick 60 was connected on the fuse tube 40 that is equipped with new fuse 44, and fuse tube 40 inserts in it from the lower end of main body insulator 10.Then, top contact 41 and bottom contact 47 are electrically connected with top fixed electrode 23 and 34 formation of bottom fixed electrode.
According to the execution mode of above explanation, can obtain following action effect.
(1) length of hook stick 60 suitably is set at the length that can get at high-tension fuse 1 from the electric pole, cardinal extremity at barred body 61 is provided with handle portion 62, the front end of this barred body 61 possesses chimeric cartridge unit 64, can insert the also lower portion of the fuse tube 40 of clamping high-tension fuse 1 in this chimeric cartridge unit 64.Therefore, when carrying out operations such as circuit opening and closing operations and 40 replacings of fuse tube, the operating personnel that carry out operation on electric pole can not touch the part that is in charged state that high-tension fuse 1 exposes, so as safe as a house.
(2) chimeric cartridge unit 64 is by constituting with lower member: the chimeric tube portion 65 that is provided with connecting hole 67; With the circle ring part 71 that is sleeved on chimeric tube portion 65 reducing diameter parts 70, inner peripheral surface has engaging protrusion; And the outer cylinder member 69 that covers circle ring part 71 and chimeric tube portion 65 outer peripheral faces.Thus, fuse tube 40 can be inserted into the chimeric cartridge unit 64 of hook stick 60, with the engaging protuberance 54 and engaging protrusion 74 engaging or the engagement release of fuse tube 40.Thereby, can be easy to carry out circuit opening and closing operations and 40 replacings of fuse tube etc. and change operation.
And, also have by the bullet thrust that is disposed at the spring 73 in the reducing diameter part 70, be connected to the circular butt parts 75 on the engaging protrusion 74.Thus, the engaging protuberance 54 of fuse tube 40 can be configured between engaging protrusion 74 and the butt parts 75, and both can not be engaged with extracting.
(3) in the base end part side of chimeric tube portion 65, be provided with the steam vent 68 that is communicated with connecting hole 67.Thus, when dress fuse tube 40, can be easy to gas,, be discharged into the outside from steam vent 68 via the inside of bottom contact 47 and the connecting hole 67 of chimeric cartridge unit 64 with electrical fuse element 45 generation when contingency fuses.Thereby, can carry out fitting operation safely.
In addition, above-mentioned execution mode can be by suitably implementing its following mode that changes.
As shown in Figure 8, barred body 61 roughly on the position of trisection, can installed and made the bamboo hat shape, the dehydration insulator cap 78,79 that constitutes by anti-electric-mark (tracting resistance) rubber etc.Can guarantee creepage distance like this.
And, also can dispose the pipe 78a that constitutes by fluororesin in the bottom of dehydration insulator cap 78.Like this, the leakage current in the time of can suppressing raining working, relatively safety.
In the above-described embodiment, though be to utilize pin 63 that chimeric cartridge unit 64 is fixed on the front end of barred body 61, also can adopt to allow chimeric cartridge unit 64 on barred body 61, load and unload freely adapter (adapter) structure.
Claims (6)
1, the hook stick used of a kind of high-tension fuse is characterized in that the cardinal extremity of barred body is provided with handle portion, and the front end of this barred body is provided with chimeric cartridge unit, and this chimeric cartridge unit can insert and block the lower portion of the fuse tube that ends high-tension fuse.
2, the hook stick of using according to the high-tension fuse of claim 1 record is characterized in that above-mentioned chimeric cartridge unit comprises:
Chimeric tube portion, this chimeric tube portion is provided with the connecting hole that is used to insert above-mentioned fuse tube; With
Circle ring part, this circle ring part are sleeved on the reducing diameter part of above-mentioned chimeric tube portion front end, have engaging protrusion at inner peripheral surface; And
Cover the outer cylinder member of above-mentioned circle ring part and above-mentioned chimeric tube portion outer peripheral face.
3, the hook stick of using according to the high-tension fuse of claim 2 record is characterized in that the engaging protrusion of above-mentioned circle ring part is L word shape.
4, the hook stick of using according to the high-tension fuse of claim 3 record is characterized in that, in above-mentioned chimeric tube portion, is provided with the steam vent that is communicated with above-mentioned connecting hole.
5, the hook stick of using according to the high-tension fuse of claim 4 record is characterized in that also comprise butt parts cylindraceous, these butt parts are connected on the above-mentioned engaging protrusion by the bullet thrust that is disposed at the bullet push part in the above-mentioned reducing diameter part.
6, the hook stick of using according to the high-tension fuse of any record of claim 1～5 is characterized in that, the insulator cap of bamboo hat shape is installed on above-mentioned barred body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201161570U CN201233856Y (en) | 2008-05-08 | 2008-05-08 | Operating rod for high voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201161570U CN201233856Y (en) | 2008-05-08 | 2008-05-08 | Operating rod for high voltage fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233856Y true CN201233856Y (en) | 2009-05-06 |
Family
ID=40620243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201161570U Expired - Fee Related CN201233856Y (en) | 2008-05-08 | 2008-05-08 | Operating rod for high voltage fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201233856Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157529A (en) * | 2014-07-30 | 2014-11-19 | 江苏省电力公司洪泽县供电公司 | Special insulation rod for single-column and all-insulated line connector |
| CN112670138A (en) * | 2019-10-15 | 2021-04-16 | 爱那其斯株式会社 | Operating rod |
| CN114496663A (en) * | 2021-09-30 | 2022-05-13 | 爱那其斯株式会社 | Operating rod |
-
2008
- 2008-05-08 CN CNU2008201161570U patent/CN201233856Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157529A (en) * | 2014-07-30 | 2014-11-19 | 江苏省电力公司洪泽县供电公司 | Special insulation rod for single-column and all-insulated line connector |
| CN112670138A (en) * | 2019-10-15 | 2021-04-16 | 爱那其斯株式会社 | Operating rod |
| CN112670138B (en) * | 2019-10-15 | 2024-08-23 | 爱那其斯株式会社 | Operating rod |
| CN114496663A (en) * | 2021-09-30 | 2022-05-13 | 爱那其斯株式会社 | Operating rod |
| CN114496663B (en) * | 2021-09-30 | 2022-10-14 | 爱那其斯株式会社 | Operating rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |