CN204992254U - Increase fall -off switch safe distance joins in marriage change rack - Google Patents
Increase fall -off switch safe distance joins in marriage change rack Download PDFInfo
- Publication number
- CN204992254U CN204992254U CN201520293157.8U CN201520293157U CN204992254U CN 204992254 U CN204992254 U CN 204992254U CN 201520293157 U CN201520293157 U CN 201520293157U CN 204992254 U CN204992254 U CN 204992254U
- Authority
- CN
- China
- Prior art keywords
- drop switch
- switch
- cross
- arm
- safe distance
- 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.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
- 239000012212 insulator Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000001131 transforming effect Effects 0.000 claims description 15
- 238000003466 welding Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an increase fall -off switch safe distance joins in marriage change rack, including fall -off switch and supporting member, the supporting member includes the cross arm, and the welding is gone up to one of them side of cross arm has indisputable cushion, and indisputable cushion welds to 0.65 proportion department of cross arm, fall -off switch includes a fall -off switch, the 2nd fall -off switch and the 3rd fall -off switch, and a fall -off switch is 0.7 meter with the distance of pole, and the 2nd fall -off switch is 0.7 meter with the pole distance. Has following advantage: fall -off switch's safe distance has increased 40%, and can effectively solve weight and the distance distribution is unbalanced, draws arc short circuit phenomenon to obtain thorough solution, safe and reliable.
Description
Technical field
The utility model relate to a kind of increase drop switch safe distance distribution transforming stand, belong to power equipment technology technical field.
Background technology
In Rural Power Grid Construction transformation implementation process, 10 kilovolts of bar rack type distribute-electricity transformer districts are the last decompression devices before productive life application, regulatory requirements drop switch spacing must not be less than 0.5 meter, during by existing mounting means application, three drop switch are mounted on cross-arm respectively by 3 supporting insulators, and cross-arm is by point length such as electric poles, middle drop switch and electric pole distance just can meet 0.5 meter ampere full distance requirement, centre-of gravity shift and the drop switch of centre are nearer apart from electric pole, by air pollution, the factor impacts such as suspended particulate, very easily there is pollution flashover in the electric arc produced when drawing drop switch, thus cause phase fault, there is very big potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is for above deficiency, there is provided a kind of increase drop switch safe distance distribution transforming stand, the safe distance with drop switch increases 40%, effectively can solve weight and range distribution is unbalanced, arcing short circuit phenomenon is solved, safe and reliable advantage.
For solving above technical problem, the utility model by the following technical solutions: a kind of increase drop switch safe distance distribution transforming stand, comprise drop switch and supporting member;
Described supporting member comprises cross-arm, and cross-arm wherein a side is welded with iron cushion block, and iron cushion block is welded to 0.65 ratio place of cross-arm;
Described drop switch comprises the first drop switch, the second drop switch and the 3rd drop switch, and the distance of the first drop switch and electric pole is 0.7 meter, and the second drop switch and electric pole distance are 0.7 meter;
Described second drop switch and electric pole safe distance increase 40%.
Further, described iron cushion block is M type.
Further, described supporting member also comprises anchor ear, and described anchor ear is equidistantly installed on two cross-arms on electric pole through the hole of iron cushion block both sides.
Further, described anchor ear is U-shaped.
Further, described supporting member also comprises three supporting insulators and three insulators, and three supporting insulators and three insulators are separately fixed on two sides of cross-arm, and supporting insulator hangs drop switch.
Further, described supporting member also comprises the first support bar and the second support bar, and the first support bar is vertically connected between the cross-arm on upper strata and the cross-arm of lower floor, and the first support bar is positioned at the centre of drop switch and drop switch at the connecting hole of upper strata cross-arm.
Further, described second post upper is connected to the cross-arm junction of the first support bar and lower floor, and the second support bar lower end is connected with ring-like anchor ear, and ring-like anchor ear is fixed on electric pole.
The utility model adopts technique scheme, and when cross-arm length is constant, by cross-arm sidesway, cross-arm and electric pole bearing length become 0.65 in cross-arm overall length accounting 0.5, center of gravity ratio trend golden section;
Second drop switch is increased to 0.7 meter apart from the distance of electric pole by original 0.5 meter, and safe distance promotes 40%;
First support bar and the second support bar realize the fixing and gravity balance of secondary and support, and efficiently solve weight and range distribution is unbalanced, and well ensure that the safety operation reliability of drop switch drawing, arcing short circuit phenomenon is solved.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of distribution transforming stand in the utility model embodiment;
Accompanying drawing 2 is each several part annexation schematic diagrames of distribution transforming stand in the utility model embodiment;
Accompanying drawing 3 is cross-arm structural representations of distribution transforming stand in the utility model embodiment;
In figure,
A-electric pole, b-cross-arm, c-supporting insulator, d-drop switch, d1-first drop switch, d2-second drop switch, d3-the 3rd drop switch, e-insulator, f-anchor ear, g-iron cushion block, h-first support bar, h1-second support bar, i-fixed part, j-support stick, D-supporting member.
Embodiment
Embodiment 1, as shown in Figure 1, Figure 2 and Figure 3, a kind of increase drop switch safe distance distribution transforming stand, comprise drop switch d and supporting member D.
Described supporting member D comprises cross-arm b, and cross-arm b wherein a side is welded with iron cushion block g, and iron cushion block g is M type, and iron cushion block g is welded to the 0.65 ratio place of cross-arm b.
Described supporting member D also comprises anchor ear f, and anchor ear f is U-shaped, and anchor ear f is equidistantly installed on two cross-arm b on electric pole a through the hole of iron cushion block g both sides, and the iron cushion block g mid portion of cross-arm b is stuck on electric pole a.
Described supporting member D also comprises three supporting insulator c and three insulator e, and three supporting insulator c and three insulator e are separately fixed on two sides of cross-arm b, supporting insulator c hangs drop switch d, thus drop switch d is fixed on cross-arm b.
Described drop switch d comprises the first drop switch d1, the second drop switch d2 and the 3rd drop switch d3, the distance of the first drop switch d1 and electric pole a foreshortens to 0.7 meter by original 0.9 meter, second drop switch d2 and electric pole a distance are increased to 0.7 meter by original 0.5 meter, and safe distance promotes 40%.
Described supporting member D also comprises the first support bar h and the second support bar h1, first support bar h is vertically connected between the cross-arm b on upper strata and the cross-arm b of lower floor, the cross-arm b of lower floor is for supporting lightning arrester, and the first support bar h is positioned at the centre of drop switch d2 and drop switch d3 at the connecting hole of upper strata cross-arm b;
Second support bar h1 upper end is connected to the cross-arm b junction of the first support bar h and lower floor, and the second support bar h1 lower end is connected with ring-like anchor ear i, and ring-like anchor ear i is fixed on electric pole a.
First support bar h and the second support bar h1 adopts 7*7 band iron to make, and has hardness and the toughness of high strength.
First support bar h and the second support bar h1 realizes the fixing and gravity balance of secondary and supports, and efficiently solves weight and range distribution is unbalanced.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection range of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection range of the present utility model.
Claims (7)
1. increase drop switch safe distance a distribution transforming stand, it is characterized in that: comprise drop switch (d) and supporting member (D);
Described supporting member (D) comprises cross-arm (b), and cross-arm (b) wherein a side is welded with iron cushion block (g), and iron cushion block (g) is welded to 0.65 ratio place of cross-arm (b);
Described drop switch (d) comprises the first drop switch (d1), the second drop switch (d2) and the 3rd drop switch (d3), first drop switch (d1) is 0.7 meter with the distance of electric pole (a), and the second drop switch (d2) and electric pole (a) distance are 0.7 meter;
Described second drop switch (d2) and electric pole (a) safe distance increase 40%.
2. as claimed in claim 1 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described iron cushion block (g) is M type.
3. as claimed in claim 1 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described supporting member (D) also comprises anchor ear (f), described anchor ear (f) is equidistantly installed on two cross-arms (b) on electric pole (a) through the hole of iron cushion block (g) both sides.
4. as claimed in claim 3 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described anchor ear (f) is for U-shaped.
5. as claimed in claim 1 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described supporting member (D) also comprises three supporting insulators (c) and three insulators (e), three supporting insulators (c) and three insulators (e) are separately fixed on two sides of cross-arm (b), and supporting insulator (c) hangs drop switch (d).
6. as claimed in claim 1 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described supporting member (D) also comprises the first support bar (h) and the second support bar (h1), first support bar (h) is vertically connected between the cross-arm (b) on upper strata and the cross-arm (b) of lower floor, and the first support bar (h) is positioned at the centre of drop switch (d2) and drop switch (d3) at the connecting hole on upper strata cross-arm (b).
7. as claimed in claim 6 a kind of increase drop switch safe distance distribution transforming stand, it is characterized in that: described second support bar (h1) upper end is connected to cross-arm (b) junction of the first support bar (h) and lower floor, second support bar (h1) lower end is connected with ring-like anchor ear (i), and ring-like anchor ear is (i) fixed on electric pole (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293157.8U CN204992254U (en) | 2015-05-08 | 2015-05-08 | Increase fall -off switch safe distance joins in marriage change rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293157.8U CN204992254U (en) | 2015-05-08 | 2015-05-08 | Increase fall -off switch safe distance joins in marriage change rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992254U true CN204992254U (en) | 2016-01-20 |
Family
ID=55126583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520293157.8U Expired - Fee Related CN204992254U (en) | 2015-05-08 | 2015-05-08 | Increase fall -off switch safe distance joins in marriage change rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992254U (en) |
-
2015
- 2015-05-08 CN CN201520293157.8U patent/CN204992254U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203531485U (en) | Terminal pole of high-voltage feeder cable | |
| CN201671391U (en) | Light line repair tower | |
| CN201746251U (en) | Pole lifting device | |
| CN204435989U (en) | One ± 500kV direct current lines tangent tower arrester adds assembling structure | |
| CN206673533U (en) | A kind of novel high-pressure transmission line of electricity angle pole mounting structure | |
| CN201374521Y (en) | Equipotential ladder | |
| CN103035368B (en) | A kind of 10kV transformer yoke | |
| CN204992254U (en) | Increase fall -off switch safe distance joins in marriage change rack | |
| CN202260340U (en) | Power distribution network overhead line insulation tower head hoisting tool | |
| CN203284094U (en) | Rod hanger special for GW6 knife switch porcelain column replacement | |
| CN105977860B (en) | A kind of replacement overhead transmission line composite cross-arm insulator device and method | |
| CN202258581U (en) | Support frame for insulator | |
| CN104852324A (en) | Lead support device assisting in replacing porcelain cross arm | |
| CN205211610U (en) | Static contact gold utensil | |
| CN205646747U (en) | 800 kilovolt direct current line gap installation device | |
| CN204258228U (en) | For the fixing gold utensil of line terminal and lead-in wire | |
| CN203961412U (en) | The double loop steel pipe pole of aerial terminal | |
| CN204809803U (en) | Can hang novel strain insulator pole of overhead ground wire | |
| CN203545516U (en) | Simple hoisting frame of electric transducer | |
| CN202696101U (en) | Insulator cross-arm | |
| CN202850574U (en) | Wire rod | |
| CN105186344A (en) | Outdoor switch suspender | |
| CN201877696U (en) | Support for overhauling outdoor disconnecting switch | |
| CN105633888A (en) | Cross arm for transmission tower | |
| CN206712300U (en) | A kind of isolation switch insulation baffle plate for power distribution live-wire |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160508 |