CN203895917U - Self-regulation cross-arm - Google Patents
Self-regulation cross-arm Download PDFInfo
- Publication number
- CN203895917U CN203895917U CN201420173482.6U CN201420173482U CN203895917U CN 203895917 U CN203895917 U CN 203895917U CN 201420173482 U CN201420173482 U CN 201420173482U CN 203895917 U CN203895917 U CN 203895917U
- Authority
- CN
- China
- Prior art keywords
- arm
- cross
- self
- rear cross
- regulation
- 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
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000012212 insulator Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Abstract
The utility model relates to a self-regulation cross-arm belonging to the power supply line device field, and the self-regulation cross-arm comprises an insulation main cross-arm and an insulation auxiliary cross-arm; the insulation main cross-arm comprises a front cross-arm and a rear cross-arm; the front cross-arm is arranged on a welding plate fixedly connected with a pole body; the rear cross-arm is hinged to the front cross-arm through a rotary shaft; the rear cross-arm is provided with a movable hang up device; one end of the insulation auxiliary cross-arm is fixed on the rear cross-arm, and the other end of the insulation auxiliary cross-arm is hinged to a hinge seat fixed on the pole body through the rotary shaft; the front cross-arm, the rear cross-arm and the insulation auxiliary cross-arm and the pole body form a triangle. The guide line tension difference on two ends of the cross-arm can be self-regulated, thus preventing broken line accidents, omitting hardware like an insulator, reducing cost and fault rate, and ensuring power grid safety.
Description
Technical field
The utility model relates to a kind of self-regulation cross-arm, belongs to supply line's device field.
Background technology
At present, national grid is more and more higher to the requirement of power supply reliability, and transmission line has carried the transmission facilities such as wire, for ensureing power-on time, must ensure the security performance of shaft tower under various meteorological conditions.Cross-arm primary load is broken string Tension Difference, and existing composite material cross arm mostly is truss-like, due to meteorological factor influence, as the weather such as wind or sleet, makes cross-arm both sides wire tension poor when larger, easily causes the fracture of wire tie point, affects electrical network and normally moves.
Existing cross-arm adopts iron and steel material quality more, need to adopt the gold utensil such as insulator to ensure clearance for insulation, and more with material, cost is high, and easily has the shortcomings such as perishable, cracking, and the faults such as filthy electric discharge, windage yaw electric discharge easily occur.
Utility model content
According to above the deficiencies in the prior art, the purpose of this utility model is: a kind of self-regulation cross-arm is provided, and can be poor by the wire tension at Equilibrium cross-arm two ends, avoid occurring broken string accident, saved the gold utensils such as insulator, reduce costs, reduce failure rate, ensure power grid security.
Self-regulation cross-arm described in the utility model, comprise the main cross-arm of insulation, the secondary cross-arm of insulation, the main cross-arm that insulate is made up of front cross-arm, rear cross-arm, front cross-arm is arranged on the welded plate being fixedly connected with shaft, rear cross-arm and front cross-arm are hinged by rotating shaft, and removable thread-laying device is housed on rear cross-arm, and the secondary cross-arm one end of insulating is fixed on rear cross-arm, the other end is by rotating shaft with to be fixed on hinged seat on shaft hinged, and front cross-arm, rear cross-arm, the secondary cross-arm of insulation and shaft form triangle.
The secondary cross-arm of front cross-arm, rear cross-arm and insulation all adopts composite insulating material to make, front cross-arm is fixed on welded plate, play a supportive role, the secondary cross-arm of rear cross-arm and insulation can rotate within the scope of certain angle, due to both center of rotation and radius of turn difference, can limit both rotational angles by the length difference that both are rationally set.When cross-arm both sides wire produces Tension Difference, under the effect of Tension Difference, the secondary cross-arm of rear cross-arm and insulation, to certain direction beat, in the time of the equalization of strain of both sides, stops beat, thereby eliminates the Tension Difference of both sides, avoids occurring broken string accident.By removable thread-laying device, make wire directly hang over rear cross-arm place, save the gold utensils such as insulator, reduce costs, reduce the failure rates such as filthy electric discharge, windage yaw electric discharge occur, ensure power grid security.
Described removable thread-laying device is made up of mobile wire casing seat, pressing plate, mobile wire casing seat slip cap is on rear cross-arm, its upper surface is provided with to recessed arc wire casing, pressing plate is arranged on mobile wire casing seat top by bolt, and wire is hung in arc wire casing, compresses by pressing plate, arc wire casing has certain centering capacity, because mobile wire casing seat can move on rear cross-arm, can adjust hanging wire position according to actual conditions simultaneously, in the situation that certain deflection occurs shaft, still not affect use.
Limit screw is equipped with in described rear cross-arm rear end, and Limit screw, by nut check, prevents that by Limit screw mobile wire casing seat from skidding off.
Described hinged seat is arranged on welded plate below, and front cross-arm and rear cross-arm are horizontally disposed with, and the secondary cross-arm that insulate is obliquely installed.
Described rear cross-arm is made up of girder and curb girder, and has the square-section of hollow.
When cause cross-arm both sides wire to produce Tension Difference because of meteorologic factor, under longitudinal force effect, the secondary cross-arm of rear cross-arm and insulation rotates around its jointed shaft respectively, in the time turning to certain angle, Tension Difference is eliminated, and again reaches poised state, avoids excessive Tension Difference generation broken string accident.
Compared with prior art, the beneficial effect the utlity model has is:
This self-regulation cross-arm is by the rotation of the secondary cross-arm of rear cross-arm and insulation, and wire tension that can autobalance cross-arm two ends is poor, avoids occurring broken string accident; Under the condition that meets electric clearance, save the gold utensils such as insulator, reduce costs, reduce the failure rates such as filthy electric discharge, windage yaw electric discharge occur, ensure power grid security; Can adjust hanging wire position according to actual conditions by mobile wire casing seat, in the situation that certain deflection occurs shaft, still not affect use, practical.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is mobile wire casing seat scheme of installation.
In figure: 1, shaft; 2, welded plate; 3, front cross-arm; 4, rotating shaft; 5, rear cross-arm; 6, pressing plate; 7, mobile wire casing seat; 8, Limit screw; 9, the secondary cross-arm that insulate; 10, hinged seat; 11, hold-down bolt; 501, girder; 502, curb girder.
embodiment
Engaging accompanying drawing is below described further embodiment of the present utility model.
As shown in Fig. 1～2, this self-regulation cross-arm comprises the main cross-arm of insulation, the secondary cross-arm 9 of insulation, the main cross-arm that insulate is made up of front cross-arm 3, rear cross-arm 5, front cross-arm 3 is arranged on by bolt on the welded plate 2 being fixedly connected with shaft 1, rear cross-arm 5 is hinged by rotating shaft 4 with front cross-arm 3, on rear cross-arm 5, removable thread-laying device is housed, secondary cross-arm 9 one end of insulating are fixed on rear cross-arm 5, the other end is by rotating shaft 4 with to be fixed on hinged seat 10 on shaft 1 hinged, and front cross-arm 3, rear cross-arm 5 and the secondary cross-arm 9 that insulate all adopt insulating composite material.Front cross-arm 3, rear cross-arm 5, insulate secondary cross-arm 9 and shaft 1 form triangle, wherein front cross-arm 3, rear cross-arm 5 are horizontally disposed with, the secondary cross-arm 9 that insulate is obliquely installed, hinged seat 10 is positioned at the below of welded plate 2, the length that the secondary cross-arm 9 of insulation and rear cross-arm 5 are rationally set, can rotate freely mobile thread-laying device within the specific limits.
Removable thread-laying device is made up of mobile wire casing seat 7, pressing plate 6, mobile wire casing seat 7 slip caps are on rear cross-arm 5, its upper surface is provided with to recessed arc wire casing, and this arc wire casing has certain centering capacity to wire, and pressing plate 6 is arranged on mobile wire casing seat 7 tops by bolt.Limit screw 8 is equipped with in rear cross-arm 5 rear ends, and Limit screw 8, by nut check, prevents that by Limit screw 8 mobile wire casing seat 7 from skidding off.
Rear cross-arm 5 is made up of girder 501 and curb girder 502, and has the square-section of hollow, and mobile wire casing seat 7 is enclosed within on this square-section.
When cause cross-arm both sides wire to produce Tension Difference because of meteorologic factor, under longitudinal force effect, rear cross-arm 5 and the secondary cross-arm 9 that insulate rotate around its jointed shaft respectively, in the time turning to certain angle, Tension Difference is eliminated, and again reaches poised state, avoids excessive Tension Difference generation broken string accident.
Claims (5)
1. a self-regulation cross-arm, it is characterized in that: comprise the main cross-arm of insulation, secondary cross-arm (9) insulate, insulate main cross-arm by front cross-arm (3), rear cross-arm (5) composition, front cross-arm (3) is arranged on the welded plate (2) being fixedly connected with shaft (1), rear cross-arm (5) is hinged by rotating shaft (4) with front cross-arm (3), rear cross-arm is equipped with removable thread-laying device on (5), secondary cross-arm (9) one end of insulating is fixed on rear cross-arm (5), the other end by rotating shaft (4) with to be fixed on hinged seat (10) on shaft (1) hinged, front cross-arm (3), rear cross-arm (5), secondary cross-arm (9) and shaft (1) formation triangle insulate.
2. self-regulation cross-arm according to claim 1, it is characterized in that: described removable thread-laying device is made up of mobile wire casing seat (7), pressing plate (6), mobile wire casing seat (7) slip cap is on rear cross-arm (5), its upper surface is provided with to recessed arc wire casing, and pressing plate (6) is arranged on mobile wire casing seat (7) top by bolt.
3. self-regulation cross-arm according to claim 2, is characterized in that: Limit screw (8) is equipped with in described rear cross-arm (5) rear end, and Limit screw (8) is by nut check.
4. self-regulation cross-arm according to claim 1, is characterized in that: described hinged seat (10) is arranged on welded plate (2) below, and front cross-arm (3) and rear cross-arm (5) are horizontally disposed with, and the secondary cross-arm (9) that insulate is obliquely installed.
5. according to the arbitrary described self-regulation cross-arm of claim 1～4, it is characterized in that: described rear cross-arm (5) is made up of girder (501) and curb girder (502), and has the square-section of hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173482.6U CN203895917U (en) | 2014-04-10 | 2014-04-10 | Self-regulation cross-arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173482.6U CN203895917U (en) | 2014-04-10 | 2014-04-10 | Self-regulation cross-arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895917U true CN203895917U (en) | 2014-10-22 |
Family
ID=51722273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173482.6U Expired - Fee Related CN203895917U (en) | 2014-04-10 | 2014-04-10 | Self-regulation cross-arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895917U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746935A (en) * | 2015-04-07 | 2015-07-01 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN107394733A (en) * | 2017-06-22 | 2017-11-24 | 国网新疆电力公司电力科学研究院 | Power transmission line wind servicing unit |
| CN112600153A (en) * | 2020-12-18 | 2021-04-02 | 浙江华保电力科技股份有限公司 | Insulating cross arm for distribution network |
| CN113389425A (en) * | 2021-07-02 | 2021-09-14 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
| RU225380U1 (en) * | 2023-12-22 | 2024-04-18 | Общество с ограниченной ответственностью "Газпром трансгаз Томск" (ООО "Газпром трансгаз Томск") | Conductor tension control device |
-
2014
- 2014-04-10 CN CN201420173482.6U patent/CN203895917U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746935A (en) * | 2015-04-07 | 2015-07-01 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN107394733A (en) * | 2017-06-22 | 2017-11-24 | 国网新疆电力公司电力科学研究院 | Power transmission line wind servicing unit |
| CN112600153A (en) * | 2020-12-18 | 2021-04-02 | 浙江华保电力科技股份有限公司 | Insulating cross arm for distribution network |
| CN112600153B (en) * | 2020-12-18 | 2022-04-22 | 浙江华保电力科技股份有限公司 | Insulating cross arm for distribution network |
| CN113389425A (en) * | 2021-07-02 | 2021-09-14 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
| CN113389425B (en) * | 2021-07-02 | 2022-07-01 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
| RU225380U1 (en) * | 2023-12-22 | 2024-04-18 | Общество с ограниченной ответственностью "Газпром трансгаз Томск" (ООО "Газпром трансгаз Томск") | Conductor tension control device |
| RU225512U1 (en) * | 2023-12-22 | 2024-04-23 | Общество с ограниченной ответственностью "Газпром трансгаз Томск" (ООО "Газпром трансгаз Томск") | Conductor tension control device |
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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: 20141022 |