CN213627865U - Wind generating set elbow convenient to bolt is maintained - Google Patents
Wind generating set elbow convenient to bolt is maintained Download PDFInfo
- Publication number
- CN213627865U CN213627865U CN202021854591.6U CN202021854591U CN213627865U CN 213627865 U CN213627865 U CN 213627865U CN 202021854591 U CN202021854591 U CN 202021854591U CN 213627865 U CN213627865 U CN 213627865U
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- China
- Prior art keywords
- elbow
- bolt
- hole
- generating set
- wind generating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a wind generating set elbow convenient to bolt maintenance, it has the round through-hole to process along the circumference on the terminal surface that the driftage bearing inner race of elbow and unit is connected, just the through-hole is inside towards the cavity of elbow, through passing the through-hole and being connected with driftage bearing inner race the bolt inside the elbow, realizes that the later stage rechecks the bolt inside the elbow and maintains. The utility model discloses can effectively solve because the bolt is in the elbow outside and causes its problem that can't maintain.
Description
Technical Field
The utility model belongs to the technical field of wind generating set's technique and specifically relates to indicate a wind generating set elbow convenient to bolt maintenance.
Background
A main machine yaw system of the existing wind generating set is connected with a tower barrel through an elbow, a yaw bearing outer ring and a yaw bearing inner ring, and a tower top flange. Due to the operation characteristics of the fan, the connection bolts at all key positions are easy to loosen, so that the pretightening force is insufficient to influence the connection safety, and therefore, the bolts at all key connection positions need to be periodically re-checked and maintained, and the bolt pretightening effect is ensured. As shown in fig. 1, in the existing wind turbine generator system, the bolt 03 for connecting the yaw bearing inner race 01 and the tower top flange is located inside the tower, and a maintenance person can enter the tower to maintain the bolt 03, and because the threaded hole on the existing elbow 04 is a blind hole, the bolt 03 for connecting the elbow 04 and the yaw bearing outer race 02 cannot penetrate into the elbow, and the bolt is located outside the tower and the host, so that the maintenance person cannot perform the regular inspection on the bolt inside the tower, which is extremely disadvantageous to the stability of the fan in the past.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a wind generating set elbow convenient to bolt maintenance, can effectively solve because the bolt is in the elbow outside and causes its unable problem of maintaining.
In order to achieve the above object, the present invention provides a technical solution: the utility model provides a wind generating set elbow convenient to bolt maintenance, it has the round through-hole to process along the circumference on the terminal surface that the elbow is connected with the driftage bearing inner race of unit, just the through-hole is inside towards the cavity of elbow, through passing the through-hole and being connected with the driftage bearing inner race with the bolt in the elbow is inside, realizes that the later stage rechecks the bolt and maintains in the elbow is inside.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses the elbow is through processing the through-hole on the terminal surface that is connected with yaw bearing outer lane, and makes the through-hole inside the cavity of elbow, consequently can be connected elbow and yaw bearing outer lane at the inside bolt that uses of elbow, and the later stage also can carry out recheck maintenance to the bolt inside the elbow, installs promptly and maintains all can accomplish inside the elbow, greatly reduced the safety risk of operating personnel maintenance in-process, improved work efficiency and effectively reduced the maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram of a conventional elbow connected to an outer ring of a yaw bearing.
Fig. 2 is a sectional view of the elbow of the present invention.
Fig. 3 is a schematic view of a partial structure a of the elbow of the present invention.
Fig. 4 is a schematic structural view of the elbow connected to the yaw bearing outer ring.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 2 to 4, the wind turbine elbow convenient for bolt maintenance in this embodiment, a circle of through hole 101 is processed along the circumference on the end surface that elbow 1 is connected with yaw bearing outer ring 2 of unit, just through hole 101 is inside towards the cavity of elbow 1, through passing through hole 101 and being connected with the screw hole of yaw bearing outer ring 2 with bolt 3 inside elbow 1, realizes that later stage reinspects and maintains bolt 3 inside elbow 1.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a wind generating set elbow convenient to bolt is maintained which characterized in that: the elbow has the round through-hole along circumference processing on the terminal surface that yaw bearing outer lane is connected of unit, just the through-hole is inside towards the cavity of elbow, through passing the through-hole and being connected with yaw bearing outer lane with the bolt inside the elbow, realizes that the later stage carries out the reinspection maintenance to the bolt inside the elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854591.6U CN213627865U (en) | 2020-08-31 | 2020-08-31 | Wind generating set elbow convenient to bolt is maintained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854591.6U CN213627865U (en) | 2020-08-31 | 2020-08-31 | Wind generating set elbow convenient to bolt is maintained |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627865U true CN213627865U (en) | 2021-07-06 |
Family
ID=76646351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021854591.6U Active CN213627865U (en) | 2020-08-31 | 2020-08-31 | Wind generating set elbow convenient to bolt is maintained |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627865U (en) |
-
2020
- 2020-08-31 CN CN202021854591.6U patent/CN213627865U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |