CN215719213U

CN215719213U - Wind generating set's wheel hub and wind generating set

Info

Publication number: CN215719213U
Application number: CN202122174706.8U
Authority: CN
Inventors: 陈白禹
Original assignee: Sany Renewable Energy Co Ltd
Current assignee: Sany Renewable Energy Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of wind driven generators, in particular to a hub of a wind driven generator set and the wind driven generator set. Wherein, wind generating set's wheel hub includes wheel hub body, web, the cabinet body and cabinet body mounting structure, the web sets up wheel hub is originally internal, cabinet body mounting structure sets up on the web, just cabinet body mounting structure's both ends are located respectively the both sides of web, the cabinet body sets up cabinet body mounting structure's tip. Through setting up cabinet body mounting structure, set up the cabinet body through the both ends at cabinet body mounting structure, the both sides of web all can set up the cabinet body promptly. Consequently, adopt on the cabinet body mounting structure assembles the web, assemble the cabinet body mounting structure again on, can reduce the quantity of punching on the web to promote the structural strength of wheel hub body.

Description

Wind generating set's wheel hub and wind generating set

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to a hub of a wind driven generator set and the wind driven generator set.

Background

The wind generating set can realize the conversion between wind energy and electric energy, and brings a new opportunity for the development of the current society. An existing wind generating set generally includes three blades, and since wind power and a wind direction change at any time, a pitch angle of each blade needs to be adjusted, a process of adjusting the pitch angle of the blade is called "pitch variation", and a device for adjusting the pitch angle of the blade is a pitch variation driving device. The variable pitch driving device needs to be installed in a variable pitch control cabinet during working, and the blade pitch angle is adjusted by a control system in the variable pitch control cabinet and a line system driving blade.

However, in the presence of a large megawatt fan, a new pitch drive and pitch control cabinet is generally required to be added to improve the pitch efficiency, and meanwhile, in order to adapt to the large megawatt fan, other cabinet structures such as a backup power supply cabinet may be further required to be added. The variable-pitch control cabinet, the backup power supply cabinet and other various cabinet bodies are generally assembled on the web plate of the hub, a through hole is usually formed in the web plate of the hub to serve as an installation hole for the variable-pitch control cabinet, the backup power supply cabinet and other various cabinet bodies, and when the number of the variable-pitch control cabinet, the backup power supply cabinet and other various cabinet bodies is increased, the through hole needs to be formed in the web plate of the hub again. In conclusion, when the number of various cabinets such as a variable pitch control cabinet and a backup power supply cabinet is increased, the number of the through holes formed in the web plate of the hub is increased, and the excessive through holes formed in the web plate of the hub can damage the overall strength of the hub and cause adverse effects on the normal operation of the wind generating set.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a hub of a wind generating set, which comprises a hub body, a web plate, a cabinet body and a cabinet body installation structure, wherein the web plate is arranged in the hub body, the cabinet body installation structure is arranged on the web plate, two ends of the cabinet body installation structure are respectively positioned at two sides of the web plate, and the cabinet body is arranged at the end part of the cabinet body installation structure.

Optionally, the cabinet body mounting structure includes a cabinet body support and a first fastener, the cabinet body support passes through the web, the cabinet body is located at the end of the cabinet body support, one end of the first fastener is arranged on the cabinet body, and the other end of the first fastener passes through the cabinet body and the cabinet body support in sequence, so as to assemble the cabinet body on the cabinet body support.

Optionally, the cabinet body support includes a support body and a limiting member, the support body passes through the web, the limiting member is located on the peripheral side of the support body, and the limiting member is adapted to abut against the web.

Optionally, the cabinet mounting structure further includes a second fastening member, and the second fastening member sequentially passes through the limiting member and the web, so as to assemble the limiting member on the web.

Optionally, the cabinet body mounting structure further includes an elastic support, the elastic support is disposed at two ends of the support body, and the first fastener sequentially penetrates through the cabinet body, the elastic support and the support body.

Optionally, one side of the web is provided with a protrusion, and the limiting member is adapted to abut against the protrusion.

Optionally, the web and the cabinet body mounting structure are provided with a plurality of, and each the web is provided with at least one cabinet body mounting structure.

Optionally, a plurality of said webs are circumferentially disposed within said hub body.

Optionally, the number of the cabinet body mounting structures on one of the webs is four, and four cabinet body mounting structures are assembled on the web at positions corresponding to four corners of the cabinet body.

The utility model has the technical effects that: through setting up cabinet body mounting structure, set up the cabinet body through the both ends at cabinet body mounting structure, the both sides of web all can set up the cabinet body promptly. Because cabinet body mounting structure can assemble to the web through modes such as welding, on the mode of not punching assembles the web promptly, simultaneously, also can adopt the mode of beating few holes to assemble on the web. Consequently, adopt on the cabinet body mounting structure assembles the web, assemble the cabinet body mounting structure again on, can reduce the quantity of punching on the web to promote the structural strength of wheel hub body.

The utility model also provides a wind generating set, which comprises the hub of the wind generating set.

The wind generating set comprises the hub of the wind generating set, so that the technical effects are the same, and the details are not repeated.

Drawings

FIG. 1 is a front cross-sectional view of a hub of a wind turbine generator system according to an embodiment of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a side cross-sectional view of a hub of a wind turbine generator system according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the cabinet support according to the embodiment of the present invention.

Reference numerals:

1. a hub body; 2. a web; 21. a protrusion; 3. a cabinet body; 41. the cabinet body is supported; 411. a support body; 412. a limiting member; 42. a first fastener; 43. a second fastener; 44. and (4) elastically supporting.

Detailed Description

The foregoing objects, features and advantages of the utility model will be apparent from the following more particular description of the utility model, as illustrated in the accompanying drawings.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, an embodiment of the present invention provides a hub of a wind turbine generator system, including a hub body 1, a web 2, a cabinet body 3, and a cabinet body mounting structure, where the web 2 is disposed in the hub body 1, the cabinet body mounting structure is disposed on the web 2, two ends of the cabinet body mounting structure are respectively located at two sides of the web 2, and the cabinet body 3 is disposed at an end of the cabinet body mounting structure. The cabinet body 3 comprises a variable pitch control cabinet, a backup power supply cabinet and other cabinet bodies.

In the prior art, the cabinet bodies 3 and the webs 2 are in one-to-one correspondence, that is, when one cabinet body 3 is arranged, holes need to be punched on the webs 2 again. Since the web 2 is usually integrally formed with the hub body 1, as a part of the structure of the hub body 1, when too many holes are punched in the web 2, the structural strength of the hub body 1 is affected.

In the embodiment, the cabinet body mounting structure is arranged on the web 2, wherein the cabinet body mounting structure can be assembled on the web 2 in a non-punching manner, for example, can be assembled on the web 2 in a clamping or welding manner, or can be assembled on the web 2 in a punching manner, for example, a through hole is formed in a corresponding position of the web 2, and then the cabinet body mounting structure passes through the through hole to be inserted on the web 2; meanwhile, two ends of the cabinet body mounting structure are respectively positioned at two sides of the web 2. And then the cabinet body 3 is arranged at the end part of the cabinet body mounting structure, wherein the cabinet bodies 3 of the existing wind generating set are generally provided with two or three, and when the cabinet bodies 3 are actually assembled, the two cabinet bodies 3 can be respectively arranged at two ends of one cabinet body mounting structure.

To sum up, through setting up cabinet body mounting structure, set up cabinet body 3 through the both ends at cabinet body mounting structure, the both sides of web 2 all can set up cabinet body 3 promptly. Because cabinet body mounting structure can assemble on web 2 through modes such as welding, on assembling web 2 not punching promptly, simultaneously, also can adopt to beat the mode of few holes and assemble on web 2. Consequently, adopt cabinet body mounting structure to assemble on web 2, assemble the cabinet body mounting structure with the cabinet body 3 again on, can reduce the quantity of punching on the web 2 to promote the structural strength of wheel hub body 1.

Alternatively, as shown in fig. 2, the cabinet mounting structure includes a cabinet support 41 and a first fastening member 42, the cabinet support 41 penetrates the web 2, the cabinet 3 is located at an end of the cabinet support 41, one end of the first fastening member 42 is disposed on the cabinet 3, and the other end of the first fastening member 42 penetrates the cabinet 3 and the cabinet support 41 in sequence, so as to assemble the cabinet 3 on the cabinet support 41.

When the cabinet body 3 is assembled on the web 2, the cabinet body 3 can be assembled on the web 2 by welding. However, when the cabinet 3 is welded to the web 2, it is difficult to remove the cabinet 3 from the web 2 when the cabinet 3 needs to be repaired.

In this embodiment, the cabinet mounting structure is provided with a cabinet support 41 and a first fastener 42, and a through hole matched with the cabinet support 41 is firstly formed on the web 2; then the cabinet body support 41 is inserted into the through hole, and two ends of the cabinet body support 41 are respectively positioned at two sides of the web 2; then, a cabinet 3 is arranged at one end of the cabinet support 41, and a first fastening piece 42 is used for sequentially penetrating through the cabinet 3 and the cabinet support 41 and spirally fastening; finally, another cabinet 3 is disposed at the other end of the cabinet support 41, and another first fastening member 42 is sequentially passed through the cabinet 3 and the cabinet support 41 and screw-fastened. Therefore, the cabinet support 41 is detachably assembled on the web 2, and the cabinet 3 is detachably assembled at the end of the cabinet support 41, so that the cabinet 3 can be conveniently disassembled and assembled.

Alternatively, as shown in fig. 2 and 4, the cabinet support 41 includes a support body 411 and a limiting member 412, the support body 411 passes through the web 2, the limiting member 412 is located on the peripheral side of the support body 411, and the limiting member 412 is adapted to abut against the web 2.

When the cabinet body support 41 and the web 2 are assembled, firstly, a through hole is formed in the web 2, and then the support body 411 is inserted into the through hole, since the cabinet body 3 is required to be assembled at both ends of the support body 411, the distance between the cabinet body 3 at both ends of the support body 411 and the web 2 is generally required to be kept the same. Wherein, when one end of the support body 411 is close to the web 2 and the other end is far from the web 2, it is difficult to assemble the cabinet 3 provided at the one end of the support body 411 close to the web 2 to the support body 411.

In this embodiment, by providing the limiting member 412 on the supporting body 411, when the cabinet support 41 is assembled to the web 2, a through hole is firstly formed on the web 2, and then the supporting body 411 is inserted into the through hole, and at the same time, the insertion depth of the supporting body 411 is controlled by the abutting relationship between the limiting member 412 and the web 2. Thus, by controlling the position of the limiting member 412 on the supporting body 411, it is ensured that the supporting body 411 is symmetrical with respect to the web 2, and further, the cabinet 3 assembled at both ends of the supporting body 411 is symmetrical.

Optionally, as shown in fig. 2, the cabinet mounting structure further includes a second fastening member 43, and the second fastening member 43 sequentially passes through the limiting member 412 and the web 2 to assemble the limiting member 412 on the web 2.

The supporting body 411 is inserted into a through hole formed in the web 2, and the stability is maintained by the friction force between the supporting body 411 and the through hole. During operation of the fan, the hub body 1 is driven to rotate, and the centrifugal force generated during rotation of the hub body 1 may affect the stability between the support body 411 and the web 2.

In the present embodiment, the second fastening member 43 is screwed after the second fastening member 43 is provided and the second fastening member 43 is sequentially passed through the retaining member 412 and the web 2. Therefore, the limiting member 412 is assembled on the web 2 by using the second fastening member 43, so that the stability between the limiting member 412 and the web 2 is ensured; meanwhile, the supporting body 411 and the limiting member 412 can be integrally formed, so that the stability between the supporting body 411 and the web 2 is ensured.

Optionally, as shown in fig. 2, the cabinet mounting structure further includes elastic supports 44, the elastic supports 44 are disposed at two ends of the support body 411, and the first fastening member 42 sequentially passes through the cabinet 3, the elastic supports 44 and the support body 411. The elastic support 44 may be made of an elastic rubber material.

In this embodiment, the elastic support 44 is provided at the end of the support body 411, and the first fastening member 42 is screwed and fastened to pass through the cabinet 3, the elastic support 44 and the support body 411 in this order. When the fan operation, when wheel hub body 1 produced the vibration, can transmit on web 2 and support body 411 along wheel hub body 1's structure gradually, owing to be provided with elastic support 44 between support body 411 and the cabinet body 3, utilize elastic support 44 to absorb the vibration of transmitting on supporting body 411 to can prevent the vibration of the cabinet body 3, and then prevent that the cabinet body 3 from damaging because of the vibration.

Optionally, as shown in fig. 2, one side of the web 2 is provided with a protrusion 21, and the stopper 412 is adapted to abut against the protrusion 21.

In the present embodiment, when the second fastening member 43 is used to fix the limiting member 412 on the web 2, the direct pressure generated by the limiting member 412 on the web 2 may damage the structure of the web 2. By arranging the protrusion 21 on the web 2, when the cabinet support 41 is arranged, the limiting member 412 is firstly opposite to the protrusion 21, then the support body 411 is inserted until the limiting member 412 abuts against the protrusion 21, and finally the second limiting member 412 sequentially penetrates through the limiting member 412 and the protrusion 21 and is screwed and fastened. Therefore, on one hand, when the limiting member 412 is assembled, a hole does not need to be formed in the web 2, and the structural strength of the web 2 is improved; on the other hand, the stopper 412 is prevented from directly acting on the web 2 and damaging the structure of the web 2.

Optionally, as shown in fig. 3, the web 2 and the cabinet mounting structure are provided in plurality, and at least one cabinet mounting structure is provided on each web 2. Specifically, the web 2 may be set to three, the cabinet mounting structures may be set to six, and two cabinet mounting structures are all disposed on each web.

In this embodiment, by setting the webs 2 to three, when the number of the cabinet bodies 3 is three, one end of the cabinet body mounting structure on each web 2 is provided with one cabinet body 3, for example, the three cabinet bodies 3 may be all disposed on the inner sides of the plurality of webs 2, and also the three cabinet bodies 3 may be all disposed on the outer sides of the three webs 2. When the number of the cabinet bodies 3 is more than three, for example, six, two cabinet bodies 3 are disposed at two ends of the cabinet body mounting structure on each web 2, that is, three cabinet bodies 3 are disposed at the inner sides of the three webs 2, and the other three cabinet bodies 3 are disposed at the outer sides of the three webs 2.

In conclusion, when the number of the cabinet bodies 3 is three, the three cabinet bodies 3 can be all arranged on the inner sides of the webs 2, and the three cabinet bodies 3 can also be all arranged on the outer sides of the webs 2. Can adjust the position of the cabinet body 3 in the wheel hub body 1 by actual conditions, carry out rational planning to the inner space of the wheel hub body 1 to in order to set up a plurality of cabinet bodies 3. Simultaneously, set up cabinet body mounting structure on a web 2, the both sides of web 2 all can set up a cabinet body 3, avoid offering more through-hole in order to assemble cabinet body 3 on single web 2 to guarantee web 2's structural strength, web 2 belongs to a part of wheel hub simultaneously, and then has guaranteed wheel hub's structural strength.

Alternatively, as shown in fig. 3, a plurality of webs 2 are circumferentially disposed within the hub body 1.

When a plurality of webs 2 are provided, the plurality of webs 2 may be provided in the hub body 1 in a plurality of distribution manners, for example, the plurality of webs 2 may be distributed in parallel in the hub body 1. When a plurality of cabinets 3 need to be arranged and the cabinets 3 are arranged on both sides of the webs 2, two adjacent cabinets 3 are located between two adjacent webs 2. Because the space in the wheel hub body 1 is limited, when a plurality of webs 2 are distributed in the wheel hub body 1 in parallel, the space between two adjacent webs 2 is narrow and small, and it may be difficult to set up two cabinets 3 simultaneously.

In this embodiment, set up a plurality of webs 2 ring week in wheel hub body 1, set up a plurality of cabinets body 3 as needs, and the both sides of web 2 all are provided with when the cabinet body 3, can not appear being located adjacent two cabinets body 3 problem between two webs 2. Thereby guarantee that 2 both sides of web have sufficient space to set up the cabinet body 3, and then be convenient for assemble the cabinet body 3.

Optionally, four cabinet body mounting structures are arranged on one web 2, and the four cabinet body mounting structures are assembled on the web 2 relative to four corners of the cabinet body 3.

In this embodiment, because the fan operation in-process can lead to cabinet body 3 to produce the vibration, when the four corners position of cabinet body 3 did not fix, easily produce the collision with other structures in the wheel hub body 1 and cause the damage. Set up cabinet body mounting structure through the four corners position relative to the cabinet body 3 on web 2, when the assembly cabinet body 3, correspond a cabinet body mounting structure respectively with the four corners of the cabinet body 3, can fix the four corners position of the cabinet body 3 to the stability of structure between the cabinet body 3 and the web 2 has been guaranteed, and then prevent that other structures in the cabinet body 3 and the wheel hub body 1 from colliding and causing the damage.

Another embodiment of the utility model provides a wind turbine generator system, comprising a hub as described above.

In this embodiment, the wind turbine generator system includes a hub of the wind turbine generator system, and therefore the technical effects obtained are the same, and are not described herein again.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The utility model provides a wind generating set's wheel hub, its characterized in that, includes wheel hub body (1), web (2), the cabinet body (3) and cabinet body mounting structure, web (2) set up in wheel hub body (1), cabinet body mounting structure sets up on web (2), just cabinet body mounting structure's both ends are located respectively the both sides of web (2), the cabinet body (3) set up cabinet body mounting structure's tip.

2. The hub of a wind power plant according to claim 1, wherein said cabinet mounting structure comprises a cabinet support (41) and a first fastening member (42), said cabinet support (41) passing through said web (2), said cabinet (3) being located at an end of said cabinet support (41), one end of said first fastening member (42) being disposed on said cabinet (3), and the other end of said first fastening member (42) passing through said cabinet (3) and said cabinet support (41) in sequence, for assembling said cabinet (3) on said cabinet support (41).

3. The hub of a wind park according to claim 2, wherein the cabinet support (41) comprises a support body (411) and a stop (412), the support body (411) passing through the web (2), the stop (412) being located on a peripheral side of the support body (411), and the stop (412) being adapted to abut against the web (2).

4. The hub of a wind energy plant according to claim 3, wherein said cabinet mounting structure further comprises a second fastening member (43), said second fastening member (43) passing through said retaining member (412) and said web (2) in sequence to mount said retaining member (412) on said web (2).

5. The hub of a wind energy generator according to claim 3, wherein said cabinet mounting structure further comprises elastic supports (44), said elastic supports (44) being arranged at both ends of said supporting body (411), said first fastening member (42) passing through said cabinet (3), said elastic supports (44) and said supporting body (411) in sequence.

6. A hub for a wind park according to claim 3, wherein one side of the web (2) is provided with a protrusion (21), the stop (412) being adapted to abut the protrusion (21).

7. The hub of a wind park according to claim 1, wherein there are a plurality of said webs (2) and said cabinet mounting structures, and at least one said cabinet mounting structure is provided on each said web (2).

8. The hub of a wind park according to claim 7, wherein a plurality of webs (2) are arranged circumferentially within the hub body (1).

9. The hub of a wind turbine according to claim 2, wherein four of said cabinet mounting structures are provided on one of said webs (2), and four of said cabinet mounting structures are mounted on said webs (2) at four corners of said cabinet (3).

10. A wind park according to any of claims 1-9, comprising a hub for a wind park according to any of claims 1-9.