CN204243221U - Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends - Google Patents
Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends Download PDFInfo
- Publication number
- CN204243221U CN204243221U CN201420744841.9U CN201420744841U CN204243221U CN 204243221 U CN204243221 U CN 204243221U CN 201420744841 U CN201420744841 U CN 201420744841U CN 204243221 U CN204243221 U CN 204243221U
- Authority
- CN
- China
- Prior art keywords
- earth connection
- movable part
- wind power
- power tower
- earthing device
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of wind power tower drum earthing device can effectively avoiding earth connection distortion to bend, comprise standing part and movable part, standing part is connected with movable part by rotating shaft, and described movable part is fixedly installed earth connection.The utility model adopts two large divisions, the i.e. structure of standing part and movable part, connected by rotating shaft between the two, be fixedly mounted on by standing part on the ring flange of wind-power tower, earth connection is arranged at movable part, rotating shaft is processed by copper rod, standing part and movable part are processed by steel plate, make simple, do not limit by the diameter of cylindrical shell and use location, this device is easy to install.By the rotation of copper sheathing and copper axle, meet the indirect earthed requirement required in tower cylinder technical specification.And the movable part in this device relies on self gravitation to remain earth connection fixed head position down under the traction of earth connection, avoids earth connection distortion bending phenomenon, has saved material.
Description
Technical field
The utility model belongs to wind power generation technical field of auxiliary equipment, is specifically related to a kind of wind power tower drum earthing device can effectively avoiding earth connection distortion to bend.
Background technology
Wind-powered electricity generation, resource is endless, with low cost.The generation mode that wind power generation is the most ripe, the on the largest scale exploit condition of technology in current renewable energy utilization, development prospect is had an optimistic view of is national encourage growth rising industry.There is abundant wind resource in China, and have good DEVELOPMENT PROSPECT, development potentiality is huge.Wind-driven generator tower supports wind turbine generator, flabellum, bears the main apparatus structure part of wind load.During the manufacture of tower of wind generating set cylinder is produced, the circumferential weld of adjacent single-unit cylindrical shell adopts Lincoln weld to weld usually, and welding is one of most important operation in tower cylinder manufacturing process.The drawback that current common earthing mode exists is: during welding, tower cylinder is connected with the source of welding current by earth connection, is produce the requisite part of electric arc.During the welding of tower cylinder, usual employing flexible cable is directly connected with tower drum flange bolt hole as welding earth connection, tower cylinder remains the motion state of rotation, because Lincoln weld welding welding current is large, when especially multistation welds simultaneously, welding current is up to more than 1800 amperes, cause earth connection to generate heat, burn, cause cable " to beat and twist " phenomenon because tower cylinder rotates continuously, cable is destroyed, and cable loss is large.Also have a class grounding wire device, due to the loose contact of tower cylinder, often there is " robbing electric current " phenomenon, cannot cause work in off-capacity, and very easily causes earth connection to strike sparks the situations such as damage mother metal.Often there is complex structure again when meeting ground connection and being good, or need wholely to be enclosed within above tower cylinder, installation and removal comparatively bother.For this reason, develop a kind of structure simple, easy to use and reliable, the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend seems very have realistic meaning.
Utility model content
The purpose of this utility model is to provide the wind power tower drum earthing device that a kind of structure is simple, easy and simple to handle, working stability can effectively avoid earth connection distortion to bend reliably.
The purpose of this utility model is achieved in that and comprises standing part and movable part, and described standing part is connected with movable part by rotating shaft, and described movable part is fixedly installed earth connection.
The utility model adopts two large divisions, and namely the structure of standing part and movable part, is connected by rotating shaft between the two, be fixedly mounted on by standing part on the ring flange of wind-power tower, earth connection is arranged at movable part, rotating shaft is processed by copper rod, standing part and movable part are processed by steel plate, make simple, do not limit by the diameter of cylindrical shell and use location, highly versatile, electric conductivity is good, in transmission of electricity process, caloric value is little, and energy savings is economical and practical.This device is flexibly small and exquisite, easy to install.By the rotation of copper sheathing and copper axle, meet the indirect earthed requirement required in tower cylinder technical specification.And the movable part in this device relies on self gravitation to remain earth connection fixed head position down under the traction of earth connection, avoids earth connection distortion bending phenomenon, has saved material.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the AA sectional view of Fig. 1;
In figure: 1-standing part 2-movable part, 3-rotating shaft, 4-baffle plate, 5-axle sleeve, the fixing card of 6-, 7-earth connection, 8-ring flange.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but limited the utility model never in any form, based on any conversion that the utility model is done, all falls into the utility model protection range.
As shown in Figure 1 and 2, the utility model comprises standing part 1 and movable part 2, and described standing part 1 is connected with movable part 2 by rotating shaft 3, and described movable part 2 is fixedly installed earth connection.
Described standing part 1 comprises two pieces of vertical plate and one piece of transverse plate, two pieces of vertical plate are vertically installed in transverse plate both sides respectively, described movable part 2 comprises connecting plate and earth connection fixed head, wherein one piece of vertical plate of described standing part 1 is fixed on ring flange 8, and another vertical plate is connected by rotating shaft 3 with the connecting plate of movable part 2.
The earth connection fixed head of described movable part 2 is fixedly installed earth connection.
Between described rotating shaft 3 and the connecting plate of movable part 2, axle sleeve 5 is set, revolves between axle sleeve 5 and rotating shaft 3 and be rotatably assorted, tight fit between axle sleeve 5 and connecting plate.
Described rotating shaft 3 one end arranges baffle plate 4, and both are bolted to connection.
The fixed head of described movable part 2 arranges fixing card 6, and described fixing card 6 coordinates with earth connection cutting ferrule.
The fixed head of described movable part 2 arranges wiring hole.
The vertical plate that described standing part 1 is connected with ring flange 8 arranges bolt hole.
By welded shaping between the vertical plate of described standing part 1 and transverse plate.
Described rotating shaft 3 is copper axle.
Described axle sleeve 5 is copper sheathing.
Advantage of the present utility model and applicable cases:
The utility model possesses following advantage:
1, the rotating shaft in this device, is processed by copper rod, and standing part and movable part are processed by steel plate cutting, makes simple, do not limit by the diameter of cylindrical shell and use location, highly versatile, electric conductivity is good, in transmission of electricity process, caloric value is little, and energy savings is economical and practical.
2, this device is flexibly small and exquisite, easy to install.
3, by the rotation of copper sheathing and copper axle, the indirect earthed requirement required in tower cylinder technical specification is met.
4, the movable part in this device relies on self gravitation to remain down under the traction of earth connection, avoids earth connection distortion bending phenomenon, has saved material.
Applicable cases of the present utility model:
Coming into operation of this device, substantially increases the stability of earth connection, effectively raises weldquality, easy to use, improves efficiency.
Economic and Efficiency Analysis:
Each project welding 30 cover tower cylinders before this device uses, owing to twisting off, giving a discount and the reason such as heating, each project needs the earth cable 120 meters of use 95 squares, and after using this earthing device, each project earth connection used mostly is 40 meters most.Accept 8 projects by my company annual to calculate, save cable 80*8=640 rice, then annual cost-saving as follows:
| Sequence number | Title | Quantity (rice) | Unit price (unit) | The amount of money (unit) |
| 1 | 95 squares of cables | 640 | 100 | 64000 |
Conclusion:
This apparatus structure is simple, easy to use, not only not by the impact of the wind-power tower anglec of rotation, and can ensure the good contact of ground connection and wind-power tower, improve ground connection conductive capability, ensure that welding quality, easy to install, is worthy to be popularized.
Claims (10)
1. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend, it is characterized in that comprising standing part (1) and movable part (2), described standing part (1) is connected with movable part (2) by rotating shaft (3), and described movable part (2) is fixedly installed earth connection.
2. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 1, it is characterized in that described standing part (1) comprises two pieces of vertical plate and one piece of transverse plate, two pieces of vertical plate are vertically installed in transverse plate both sides respectively, described movable part (2) comprises connecting plate and earth connection fixed head, wherein one piece of vertical plate of described standing part (1) is fixed on ring flange (8), and another vertical plate is connected by rotating shaft (3) with the connecting plate of movable part (2).
3. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 2, the earth connection fixed head that it is characterized in that described movable part (2) is fixedly installed earth connection.
4. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 1 and 2, it is characterized in that arranging axle sleeve (5) between described rotating shaft (3) and the connecting plate of movable part (2), revolve between axle sleeve (5) and rotating shaft (3) and be rotatably assorted, tight fit between axle sleeve (5) and connecting plate.
5. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 4, it is characterized in that described rotating shaft (3) one end arranges baffle plate (4), both are bolted to connection.
6. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 4, the fixed head that it is characterized in that described movable part (2) is arranged fixing card (6), described fixing card (6) coordinates with earth connection cutting ferrule.
7. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 4, the fixed head that it is characterized in that described movable part (2) arranges wiring hole.
8., according to the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend described in claim 2, it is characterized in that the vertical plate that described standing part (1) is connected with ring flange (8) arranges bolt hole.
9. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 2 or 8, is characterized in that between the vertical plate of described standing part (1) and transverse plate by welded shaping.
10. the wind power tower drum earthing device can effectively avoiding earth connection distortion to bend according to claim 5, is characterized in that described rotating shaft (3) is copper axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744841.9U CN204243221U (en) | 2014-12-03 | 2014-12-03 | Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744841.9U CN204243221U (en) | 2014-12-03 | 2014-12-03 | Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243221U true CN204243221U (en) | 2015-04-01 |
Family
ID=52772671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744841.9U Active CN204243221U (en) | 2014-12-03 | 2014-12-03 | Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039789A (en) * | 2017-06-01 | 2017-08-11 | 湖北科技学院 | A kind of small current neutral grounding device |
| CN107866621A (en) * | 2016-09-27 | 2018-04-03 | 上海泰胜风能装备股份有限公司 | Pylon encircling welding equipment |
| CN110768030A (en) * | 2019-09-17 | 2020-02-07 | 国网山东省电力公司昌乐县供电公司 | Grounding device for safe locking of grounding wire |
| CN113839229A (en) * | 2021-10-09 | 2021-12-24 | 中国水电四局（兰州）机械装备有限公司 | Rotary welding grounding device |
-
2014
- 2014-12-03 CN CN201420744841.9U patent/CN204243221U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866621A (en) * | 2016-09-27 | 2018-04-03 | 上海泰胜风能装备股份有限公司 | Pylon encircling welding equipment |
| CN107866621B (en) * | 2016-09-27 | 2023-09-22 | 上海泰胜风能装备股份有限公司 | Tower girth welding device |
| CN107039789A (en) * | 2017-06-01 | 2017-08-11 | 湖北科技学院 | A kind of small current neutral grounding device |
| CN110768030A (en) * | 2019-09-17 | 2020-02-07 | 国网山东省电力公司昌乐县供电公司 | Grounding device for safe locking of grounding wire |
| CN113839229A (en) * | 2021-10-09 | 2021-12-24 | 中国水电四局（兰州）机械装备有限公司 | Rotary welding grounding device |
| CN113839229B (en) * | 2021-10-09 | 2024-03-01 | 中国水电四局（兰州）机械装备有限公司 | Rotary welding grounding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204243221U (en) | Effectively can avoid the wind power tower drum earthing device that earth connection distortion bends | |
| CN201475977U (en) | Low-temperature coal economizer tube bundle | |
| CN204499249U (en) | Wind whistle formula bird-scaring unit | |
| CN204371558U (en) | A kind of wind power generating set with vertical shaft | |
| CN203925891U (en) | Grid type lightning protection device for wind generating set blade | |
| CN203596593U (en) | Sea cable sealing and fixing device | |
| CN202298645U (en) | Installation support device for megawatt fan base ring | |
| CN204327402U (en) | Model wind generating device | |
| CN203476620U (en) | Lightning protection ground device of rotation part of wind turbine generator | |
| CN201851283U (en) | Multi-point and multi-stage wind driven generator | |
| CN204893313U (en) | GIS enclosed bus welding conductor transfer bogie device | |
| CN201412262Y (en) | Pipeline cascaded power generating system | |
| CN204324997U (en) | A kind of wind force air compression device for sewage aeration | |
| CN203272021U (en) | Wind driven generator of wire pole | |
| CN204253275U (en) | Horizontal axis dual-rotor wind power generating device | |
| CN204361633U (en) | A kind of double-fed wind generator tube type bus groove structure | |
| CN210829613U (en) | Blade lightning protection device of wind power generation equipment | |
| CN204253281U (en) | A kind of pipe type aerogenerator | |
| CN203481415U (en) | Large-capacity ground wire welding device of wind power generating tower | |
| CN207526639U (en) | A kind of hydro-electric power generating equipment using wind and solar energy water-storage | |
| CN206834670U (en) | A kind of wind power bus conductor device | |
| CN201570597U (en) | Lightning protection ring for bearing pedestal of main shaft | |
| CN218953487U (en) | Pipeline wind power generation device | |
| CN204189987U (en) | A kind of wind power tower drum Large Copacity welding grounding wire device | |
| CN103216378B (en) | A kind of water wheel type electromotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hewei Inventor after: Xu Wenkui Inventor after: Dou Hulin Inventor after: Liu Yongjiang Inventor after: Wang Jianxia Inventor before: Dong Guilin Inventor before: Kang Xuejun Inventor before: Liang Jinliang Inventor before: Chen Wenshan Inventor before: Guo Xiaoqiang Inventor before: Hu Jinglin Inventor before: Li Jinhong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160307 Address after: 672100, Yunnan Dali Bai Autonomous Prefecture Xiangyun County Xiangyun Xiangyun Industrial Park, industrial road next to Patentee after: China Hydropower four Bureau (Xiangyun) mechanical energy equipment Co., Ltd. Address before: 672100 four Bureau of hydropower industry, Xiangyun Industry Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Province Patentee before: XIANGYU BRANCH, GANSU HYDROPOWER HYDRAULIC MACHINERY CO., LTD. |