CN204857548U - Fuse auxiliary earth transmission - Google Patents
Fuse auxiliary earth transmission Download PDFInfo
- Publication number
- CN204857548U CN204857548U CN201520616266.9U CN201520616266U CN204857548U CN 204857548 U CN204857548 U CN 204857548U CN 201520616266 U CN201520616266 U CN 201520616266U CN 204857548 U CN204857548 U CN 204857548U
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- China
- Prior art keywords
- power transmission
- transmission shaft
- auxiliary earth
- fuse
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a fuse auxiliary earth transmission, it includes horizontal tractive subassembly, rotating switch subassembly, power transmission shaft A and turning arm, horizontal tractive subassembly includes guide holder and guide bar, set up on the guide holder lateral wall along the slot hole A of horizontal direction extension, the guide bar slides and establishes in slot hole A, the turning arm upper end is equipped with the appearance guide bar and passes the just slot hole B of relative slip, and the turning arm lower extreme is fixed on power transmission shaft A, power transmission shaft A is mutually perpendicular with the turning arm, and rotates through the rotating switch subassembly. An object of the utility model is to provide a fuse auxiliary earth transmission of simple structure, reliable operation. The utility model has the advantages of: when fuse auxiliary earth transmission can ensure that switchgear overhauls, the safe maintenance was guaranteed to fuse leading -out terminal ground connection, fuse auxiliary earth transmission can drive a plurality of fuse socket joint ground portions simultaneously, the rotating switch subassembly can effective prevent misuse.
Description
Technical field
The utility model relates to a kind of fuse auxiliary earth transmission device.
Background technology
Switch cubicle miniaturization is in recent years the study hotspot in industry.Current domestic 10kV switch cubicle majority adopts stuck-module to be formed by connecting by bus, and its air distance realizes in strict accordance with 125mm, and therefore cupboard volume is comparatively large, and environment for use is also restricted; And miniaturized switch cubicle majority adopts gas-filling cabinet scheme to meet to reduce alternate and relatively insulation distance.Because filled SF6 gas belongs to greenhouse gas, do not belong to popularization series products.In order to make up the shortcomings such as greenhouse effect, the easily gas leakage of SF6 gas-filling cabinet, and the shortcoming that air insulation switch cubicle floor space is large.Instantly, be necessary to develop a kind of new switching equipment, can small form factor requirements be met, not use greenhouse gas again, meet the requirement of environmental protection.Therefore, become can one of the R&D direction meeting the demand for solid insulation technology.In the R&D process of carrying out solid insulation technology, when carrying out Combination application to on-load switch and fuse, earthed switch is needed to provide auxiliary earth for fuse.The reliability design of earthed switch is to provide the important technology research and development point of fuse safety inspection environment.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simple, the fuse auxiliary earth transmission device of reliable operation, when it can guarantee that switchgear overhaul, and fuse leading-out terminal ground connection, guarantee safety inspection.
The purpose of this utility model is achieved through the following technical solutions: a kind of fuse auxiliary earth transmission device, and it comprises horizontal drag assembly, rotating switch assembly, power transmission shaft A and connecting lever; Described horizontal drag assembly comprises guide holder and guide post, described guide holder sidewall offers the elongated hole A extended in the horizontal direction, and described guide post slides and is located in elongated hole A; Described connecting lever upper end is provided with appearance guide post and passes and the elongated hole B of relative sliding, and connecting lever lower end is fixed on power transmission shaft A; Described power transmission shaft A and connecting lever perpendicular, and to be rotated by rotating switch assembly.
Compared to prior art, the utility model has the advantage of:
1. simple, the reliable operation of fuse auxiliary earth transmission structures, when can guarantee that switchgear overhaul, fuse leading-out terminal ground connection, guarantee safety inspection;
2. fuse auxiliary earth transmission device can drive multiple fuse unit grounding parts simultaneously;
3. rotating switch assembly effectively can prevent misoperation.
Accompanying drawing explanation
Fig. 1 is the using state schematic diagram (off-state) of a kind of fuse auxiliary earth of the utility model drive arrangement embodiment.
Fig. 2 is the using state schematic diagram (on-state) of a kind of fuse auxiliary earth of the utility model drive arrangement embodiment.
Fig. 3 is the end view of Fig. 1.
Fig. 4 is the structural representation (horizontal drag assembly is not shown) of fuse auxiliary earth drive arrangement embodiment.
Fig. 5 is the end view of Fig. 4.
Fig. 6 is the perspective view of rotating switch assembly.
Fig. 7 is the front view of Fig. 6.
Fig. 8 is the perspective view of rotating spanner.
Fig. 9 is the structural representation of matching relationship between power transmission shaft B and locking external member.
Figure 10 is the cross sectional view of rotating switch assembly.
Figure 11 is the cross sectional view after rotating switch assembly inserts rotating spanner.
Label declaration: 1 horizontal drag assembly, 11 guide holders, 111 elongated hole A, 12 guide posts, 2 rotating switch assemblies, 21 power transmission shaft B, 211 gear B, 212 spacing sections, 213 rotational segment, 22 locking external members, 221 elongated hole C, 23 sliding blocks, 231 sliding bars, 232 rotary spacing holes, 24 rotating spanners, 241 insertion rods, 242 limited impressions, 243 projections, 244 handles, 25 spacing rings, 251 breach, 26 back-moving springs, 3 power transmission shaft A, 31 bearings, 32 gear A, 4 connecting levers, 41 elongated hole B, 5 fuse unit grounding parts, 51 contact rods, 52 insulated tension poles, 53 conducting strips.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model content is described in detail:
As Fig. 1 to 11 is depicted as a kind of fuse auxiliary earth transmission device that the utility model provides, it comprises horizontal drag assembly 1, rotating switch assembly 2, power transmission shaft A3 and connecting lever 4; Described horizontal drag assembly 1 comprises guide holder 11 and guide post 12, and described guide holder 11 sidewall offers the elongated hole A111 extended in the horizontal direction, and described guide post 12 slides and is located in elongated hole A111; Described connecting lever 4 upper end is provided with appearance guide post 12 and passes and the elongated hole B41 of relative sliding, and connecting lever 4 lower end is fixed on power transmission shaft A3; Described power transmission shaft A3 and connecting lever 4 perpendicular, and to be rotated by rotating switch assembly 2.
Fig. 1 and the syndeton schematic diagram that Figure 2 shows that fuse auxiliary earth transmission device and fuse unit grounding parts 5, fuse unit grounding parts 5 realizes the conversion of fuse ground connection and unearthed state by fuse auxiliary earth transmission device: pulled out from fuse unit grounding parts 5 by insulated tension pole 52, contact rod 51 and conducting strip 53 are contacted, fuse ground connection; Be pressed in fuse unit grounding parts 5 by insulated tension pole 52, insulated tension pole 52 and conducting strip 53 are contacted, fuse disconnects.
Guide post 12 on horizontal drag assembly 1 is fixedly connected with the insulated tension pole 52 on fuse unit grounding parts 5.
Described power transmission shaft A3 two ends are arranged on cabinet shell by bearing 31.Bearing 31 is oilless bearing.
Described connecting lever 4 and horizontal drag assembly 1 are more than one, and connecting lever 4 and horizontal drag assembly 1 one_to_one corresponding.A fuse auxiliary earth transmission device can control the ground connection of multiple fuse simultaneously.
Described rotating switch assembly 2 comprises power transmission shaft B21, and described power transmission shaft B21 is perpendicular to power transmission shaft A3, and power transmission shaft B21 rear end is provided with gear B 211; The axle body of described power transmission shaft A3 is provided with the gear A 32 coordinated with gear B 211.Gear A 32 and gear B 211 are bevel gear.
During work, rotational power transmission axle B21, by the cooperation of gear A 32 and gear B 211, power transmission shaft A3 is driven to rotate, the connecting lever 4 be fixed on power transmission shaft A3 forms interlock, output on insulated tension pole 52, thus form certain distance stroke, make fuse unit grounding parts 5 reliably connecting and disconnecting.
Described rotating switch assembly 2 also comprises locking external member 22, sliding block 23 and rotating spanner 24; Described power transmission shaft B21 wears to locking external member 22 front opening by locking external member 22 rear end; Described sliding block 23 is located on the power transmission shaft B21 in locking external member 22, and sliding block 23 only can slide along power transmission shaft B21 bearing of trend; Described power transmission shaft B21 is provided with spacing section 212 and rotational segment 213, and spacing section 212 is positioned at power transmission shaft B21 leading section; When sliding block 23 is positioned at spacing section 212, restricted power transmission axle B21 rotates; When sliding block 23 is positioned at rotational segment 213, holds power transmission shaft B21 and freely rotate; Described rotating spanner 24 comprises the insertion rod 241 be plugged in locking external member 22, and described insertion rod 241 end opens has and spacing section 212 limited impression coordinated 242.
During initial condition, sliding block 23 is positioned at locking external member 22 front opening place, and is set on spacing section 212 of power transmission shaft B21, and now sliding block 23 and power transmission shaft B21 can not relatively rotate; When rotating spanner 24 being inserted after in locking external member 22, sliding block 23 is depressed in the rotational segment 213 of power transmission shaft B21 by top, now sliding block 23 and power transmission shaft B21 can relatively rotate, and just can realize power transmission shaft B21 rotate by rotary motion spanner 24.
Also be provided with spacing ring 25 between described locking external member 22 front opening place and sliding block 23, described spacing ring 25 also offers two angled breach 251 spaced apart, described rotating spanner 24 is provided with the projection 243 with breach 251 corresponding matching.
Angular travel and the sliding stroke of guide post 12 in elongated hole A111 of the utility model medium power transmission axle B21 are corresponding, guide post 12 position is controlled accurately in order to make rotating switch assembly 2, realize the connecting and disconnecting of fuse unit grounding parts 5, in rotating switch assembly 2 front end, spacing ring 25 is set, two breach 251 on spacing ring 25, one of them is import, another is outlet, projection 243 on rotating spanner 24 is inserted by import, rotary motion spanner 24, again projection 243 is taken out from outlet, realize accurately controlling.
It also comprises the back-moving spring 26 be located between locking external member 22 rear end and sliding block 23.
Described locking external member 22 sidewall is provided with elongated hole C221, and described sliding block 23 sidewall is provided with the sliding bar 231 coordinated with elongated hole C221.
The through hole wearing power transmission shaft B21 in described sliding block 23 is rotary spacing hole 232, and described rotary spacing hole 232 is identical with the cross section of spacing section 212 and shape is non-circular, and rotary spacing hole 232 cross section is greater than rotational segment 213 cross section.
Described rotating spanner 24 also comprises the handle 244 matching with insertion rod 241 to drive insertion rod 241 to move.
Claims (10)
1. a fuse auxiliary earth transmission device, is characterized in that: it comprises horizontal drag assembly (1), rotating switch assembly (2), power transmission shaft A (3) and connecting lever (4); Described horizontal drag assembly (1) comprises guide holder (11) and guide post (12), described guide holder (11) sidewall offers the elongated hole A (111) extended in the horizontal direction, described guide post (12) slides and is located in elongated hole A (111); Described connecting lever (4) upper end is provided with appearance guide post (12) and passes and the elongated hole B (41) of relative sliding, and connecting lever (4) lower end is fixed on power transmission shaft A (3); Described power transmission shaft A (3) is perpendicular with connecting lever (4), and is rotated by rotating switch assembly (2).
2. fuse auxiliary earth transmission device according to claim 1, is characterized in that: described power transmission shaft A (3) two ends are arranged on cabinet shell by bearing (31).
3. fuse auxiliary earth transmission device according to claim 1, it is characterized in that: described connecting lever (4) and horizontal drag assembly (1) they are more than one, and connecting lever (4) and horizontal drag assembly (1) one_to_one corresponding.
4. the fuse auxiliary earth transmission device according to claim 1-3 any one, it is characterized in that: described rotating switch assembly (2) comprises power transmission shaft B (21), described power transmission shaft B (21) is perpendicular to power transmission shaft A (3), and power transmission shaft B (21) rear end is provided with gear B (211); The axle body of described power transmission shaft A (3) is provided with the gear A (32) coordinated with gear B (211).
5. fuse auxiliary earth transmission device according to claim 4, is characterized in that: described rotating switch assembly (2) also comprises locking external member (22), sliding block (23) and rotating spanner (24); Described power transmission shaft B (21) wears to locking external member (22) front opening by locking external member (22) rear end; Described sliding block (23) is located on the power transmission shaft B (21) in locking external member (22), and sliding block (23) only can slide along power transmission shaft B (21) bearing of trend; Described power transmission shaft B (21) is provided with spacing section (212) and rotational segment (213), and spacing section (212) are positioned at power transmission shaft B (21) leading section; When sliding block (23) is positioned at spacing section (212), restricted power transmission axle B (21) rotates; When sliding block (23) is positioned at rotational segment (213), holds power transmission shaft B (21) and freely rotate; Described rotating spanner (24) comprises the insertion rod (241) be plugged in locking external member (22), and described insertion rod (241) end opens has the limited impression (242) coordinated with spacing section (212).
6. fuse auxiliary earth transmission device according to claim 5, it is characterized in that: between described locking external member (22) front opening place and sliding block (23), be also provided with spacing ring (25), described spacing ring (25) also offers two angled breach spaced apart (251), described rotating spanner (24) is provided with the projection (243) with breach (251) corresponding matching.
7. fuse auxiliary earth transmission device according to claim 5, is characterized in that: it also comprises the back-moving spring (26) be located between locking external member (22) rear end and sliding block (23).
8. fuse auxiliary earth transmission device according to claim 5, it is characterized in that: described locking external member (22) sidewall is provided with elongated hole C (221), and described sliding block (23) sidewall is provided with the sliding bar (231) coordinated with elongated hole C (221).
9. fuse auxiliary earth transmission device according to claim 5, it is characterized in that: the through hole wearing power transmission shaft B (21) in described sliding block (23) is rotary spacing hole (232), described rotary spacing hole (232) is identical with the cross section of spacing section (212) and shape is non-circular, and rotary spacing hole (232) cross section is greater than rotational segment (213) cross section.
10. fuse auxiliary earth transmission device according to claim 5, is characterized in that: described rotating spanner (24) also comprises the handle (244) matching with insertion rod (241) to drive insertion rod (241) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616266.9U CN204857548U (en) | 2015-08-14 | 2015-08-14 | Fuse auxiliary earth transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616266.9U CN204857548U (en) | 2015-08-14 | 2015-08-14 | Fuse auxiliary earth transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857548U true CN204857548U (en) | 2015-12-09 |
Family
ID=54748075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616266.9U Withdrawn - After Issue CN204857548U (en) | 2015-08-14 | 2015-08-14 | Fuse auxiliary earth transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047467A (en) * | 2015-08-14 | 2015-11-11 | 国家电网公司 | Auxiliary grounding transmission device of fuse |
-
2015
- 2015-08-14 CN CN201520616266.9U patent/CN204857548U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047467A (en) * | 2015-08-14 | 2015-11-11 | 国家电网公司 | Auxiliary grounding transmission device of fuse |
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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: 20151209 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |