CN218201816U

CN218201816U - Wind generating set folds arm and hangs support and wind generating set cabin

Info

Publication number: CN218201816U
Application number: CN202222473701.XU
Authority: CN
Inventors: 方琦斌; 金强; 杨玉中; 蔡安民; 杨时虎; 崔同海; 杨梦远; 张达; 范吉祥; 陈米洋
Original assignee: Huaneng Dali Wind Power Co ltd; Huaneng Clean Energy Research Institute
Current assignee: Huaneng Dali Wind Power Co ltd; Huaneng Clean Energy Research Institute
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-03
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a wind generating set arm-folding hanging bracket and a wind generating set cabin, which comprises an electric hoist and a bracket, wherein the bracket comprises a stand column and a connecting shaft, the horizontal bracket is connected with the stand column through the connecting shaft, the electric hoist is arranged on the horizontal bracket of the bracket and can translate along the horizontal bracket, and the horizontal bracket is a bendable bracket; the connecting shaft is embedded into the upright post, and the part of the connecting shaft embedded into the upright post is in interference fit with the inner wall of the upright post; through the optimization of the connecting structure of the utility model, the connecting structure is changed from a simple welding mode to an embedded mode, and the original welding seam stress is changed into the embedded structure stress, and the embedded structure mode can still ensure the safety of a direct structure, thereby fundamentally solving the high standard detection requirement on the welding seam during batch production; the hidden trouble that the quality of the welding seam directly influences the safety is solved.

Description

Wind generating set folds arm and hangs support and wind generating set cabin

Technical Field

The utility model belongs to wind generating set equipment field, concretely relates to wind generating set rolls over arm and hangs support and wind generating set cabin.

Background

The folding arm crane is installed in a cabin, and referring to fig. 1, the folding arm crane comprises an electric hoist 1 and a bracket 2. The arm-folding crane is mainly used for meeting the maintenance and replacement requirements of parts of an engine room, and particularly relates to parts with larger weight, such as a yaw motor, a yaw speed reducer, a radiator, a cooling fan driving motor and the like. The folded arm crane can complete the lifting of materials from the tower bottom to the engine room and the transportation of the materials in the engine room, the rotating radius of the folded arm crane is also continuously increased along with the increase of the length of the engine room, and the load borne by the upright column is correspondingly increased, so that the risk of welding seam open welding on the upright column is generated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a wind generating set rolls over arm and hangs supporting structure has solved the direct hidden danger that influences the safety of welding seam quality.

In order to achieve the purpose, the utility model adopts the technical proposal that: a wind generating set arm-folding hanging support structure comprises an electric hoist and a support, wherein the support comprises an upright post and a connecting shaft, a horizontal support is connected with the upright post through the connecting shaft, the electric hoist is arranged on the horizontal support of the support and can move horizontally along the horizontal support, and the horizontal support is a bendable support; the connecting shaft is embedded into the upright column, and the part of the connecting shaft embedded into the upright column is in interference fit with the inner wall of the upright column.

Further, the length of the connecting shaft embedded in the upright post is not less than one third of the diameter of the connecting shaft, so that a large enough moment is formed.

Furthermore, a shaft shoulder is arranged at the joint of the connecting shaft and the stand column, and the joint of the outer side of the connecting shaft and the stand column is welded.

Furthermore, a reinforcing rib plate is arranged at the joint of the vertical bracket and the connecting shaft.

Furthermore, a rotatable sleeve is arranged on the connecting shaft, and the rotatable sleeve is connected with the connecting shaft through a bearing.

Furthermore, locking bolts are arranged on the rotatable sleeve and the connecting shaft, and a reinforcing ring is arranged on the connecting shaft corresponding to the locking bolts in a circle.

Further, the utility model discloses can also provide a wind generating set cabin, set up in the cabin wind generating set roll over arm and hang the support.

And arranging at least one mounting position of the folding arm hanging bracket of the wind generating set.

Compared with the prior art, the utility model discloses following beneficial effect has at least: through the optimization of the connecting structure of the utility model, the connecting structure is changed from a pure welding mode to an embedded mode, and the original welding seam stress is changed into the embedded structure stress, and the embedded structure mode can still ensure the safety of a direct structure, thereby fundamentally solving the high-standard detection requirement on the welding seam during batch production; the hidden trouble that the quality of the welding seam directly influences the safety is solved.

Furthermore, a shaft shoulder is arranged at the joint of the connecting shaft and the upright post, and the joint of the outer side of the connecting shaft and the upright post is welded, so that the connecting strength is further improved; the welding seam is only used as an auxiliary means, and even if the welding seam has the phenomena of welding and the like when the unit is influenced by external factors such as vibration and the like, the welding seam is prevented from being stressed.

Furthermore, a rotatable sleeve is arranged on the connecting shaft, and the rotatable sleeve is connected with the connecting shaft through a bearing; the locking bolts are arranged on the rotatable sleeve and the connecting shaft and correspond to the connecting shaft, the reinforcing ring is arranged on one circle of the locking bolts and can cover a larger area, dead-angle-free hoisting of the position of the engine room is facilitated, and the engine room can be stopped at any angle to conduct hoisting operation.

Furthermore, at least one mounting position of the folding arm hanging bracket of the wind generating set is arranged in the engine room of the wind generating set, so that the position of the folding arm hanging bracket of the wind generating set can be changed, and the hanging sequence can be flexibly configured.

Drawings

Fig. 1 is a schematic view of a folding arm crane.

Fig. 2 is a schematic structural view of a conventional column and a connecting shaft.

Fig. 3 is a schematic view of the structure of the upright post and the connecting shaft of the present invention.

In the attached drawing, 1-electric block, 2-bracket, 3-connecting shaft, 4-column.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the arm-folding crane is installed in the cabin, and includes electric block 1 and support 2, and support 2 includes stand and connecting axle, and the horizontal stand passes through the connecting axle to be connected with the stand, and electric block 1 sets up on the horizontal stand of support 2, and can along the horizontal stand translation, the horizontal stand is the support of can buckling.

The connecting shaft is embedded into the upright column, the embedded part of the connecting shaft is lengthened, and the part of the connecting shaft embedded into the upright column is in interference fit with the inner wall of the upright column and is used for bearing the moment generated when the folding arm is hung on a hanging object. The moment at the position before optimization is borne by a welding seam between the connecting shaft and the upright post, and the welding seam at the position is cracked due to long-time work of the folding arm crane, so that potential safety hazards are caused.

The joint of the vertical bracket and the connecting shaft is provided with the reinforcing rib plate, so that the strength and the rigidity of the joint of the bracket are improved.

The length of the connecting shaft embedded in the upright post is not less than one third of the diameter of the connecting shaft, so that a large enough moment is formed.

The connecting shaft is provided with a shaft shoulder at the joint of the connecting shaft and the upright post, and the outer side of the connecting shaft is welded with the joint of the upright post, so that the connecting strength is further improved.

According to the type of the actual engine room and different bending spaces, the horizontal support can be bent in the horizontal direction or in the vertical direction. Preferably horizontally.

As an optional embodiment, at least one wind generating set folding arm hanging bracket mounting position is arranged in a wind generating set cabin, the position of the wind generating set folding arm hanging bracket mounting position can be changed, and the hanging sequence can be flexibly configured.

A rotatable sleeve can be arranged on the connecting shaft 3 and is connected with the connecting shaft 3 through a bearing; and the rotatable sleeve and the connecting shaft 3 are provided with locking bolts, and a reinforcing ring is arranged on the connecting shaft 3 corresponding to the circumference of the locking bolts. The rotation angle of the connecting shaft is 340 degrees, the whole cabin position can be covered, no dead angle hoisting of the cabin position is realized, and hoisting operation can be carried out by staying at any angle.

To sum up, the utility model optimizes the connection structure and avoids the stress of the welding seam through the folding arm hanging bracket structure of the wind generating set; the high-standard detection requirement on the welding seam during batch production is fundamentally met; the hidden danger that the quality of the welding seam directly influences the safety can be solved.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. The folding arm hanging bracket of the wind generating set is characterized by comprising an electric hoist (1) and a bracket (2), wherein the bracket (2) comprises an upright post (4) and a connecting shaft (3), the horizontal bracket is connected with the upright post (4) through the connecting shaft (3), the electric hoist (1) is arranged on the horizontal bracket of the bracket (2) and can translate along the horizontal bracket, and the horizontal bracket is a bendable bracket; the connecting shaft (3) is embedded into the upright post (4), and the part of the connecting shaft (3) embedded into the upright post (4) is in interference fit with the inner wall of the upright post (4).

2. The folding arm hanging bracket of a wind generating set according to claim 1, characterized in that the length of the connecting shaft (3) embedded in the upright post (4) is not less than one third of the diameter of the connecting shaft (3) to form a large enough moment.

3. The folding arm hanging bracket of the wind generating set according to claim 1, characterized in that a shaft shoulder is arranged at the joint of the connecting shaft (3) and the upright post (4), and the joint of the outer side of the connecting shaft (3) and the upright post (4) is welded.

4. The folding arm hanging bracket of the wind generating set according to claim 1, characterized in that a reinforcing rib plate is arranged at the joint of the vertical bracket and the connecting shaft (3).

5. The folding arm hanging bracket of the wind generating set according to claim 4, characterized in that a rotatable sleeve is arranged on the connecting shaft (3), and the rotatable sleeve is connected with the connecting shaft (3) through a bearing.

6. The folding arm hanging bracket of the wind generating set according to claim 5, characterized in that the rotatable sleeve and the connecting shaft (3) are provided with locking bolts, and a reinforcing ring is arranged on the connecting shaft (3) corresponding to a circle of the locking bolts.

7. A wind generating set cabin is characterized in that the wind generating set folding arm hanging bracket as claimed in any one of claims 1 to 6 is arranged in the cabin.

8. Wind turbine nacelle according to claim 7, wherein at least one wind turbine boom hanger mounting location is provided.