An automatic assembling equipment for a fan housing

CN122913768APending Publication Date: 2026-10-16QIDONG PENGKUN ENVIRONMENTAL PROTECTION VENTILATION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202611195074.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-07
Publication Date
2026-10-16

AI Technical Summary

Technical Problem

[0003]针对上述中的相关技术,由于现有技术在对风机壳体进行组装时,为了保证壳体的涡板与两侧的侧板之间拼接的准确性,一般均需工作人员手动将壳体的涡板与两侧的侧板进行拼接对准,然后一边维持涡板与侧板之间的拼接,一边通过焊接设备对涡板与侧板之间的缝隙进行点焊,这就增加了工作人员的工作量,从而降低了对涡板与两侧的侧板之间焊接的效率,故有待改善

Benefits of technology

1.对维持机构的设置,使得在风机壳体内的蜗壳与侧板进行焊接前,滑移组件能够通过驱动两个维持架发生滑移,使得两个维持架能够分别对两个侧板进行抵接,从而使得侧板与蜗壳之间紧密相抵,进而使得侧板与蜗壳之间维持当前的拼接状态,使得工作人员无需手动维持蜗壳与侧板之间的拼接状态,有效方便了后续对蜗壳与侧板的焊接,减少了工作人员的工作量,提高了对涡板与两侧的侧板之间焊接的效率;

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Abstract

The application relates to a fan shell automatic assembling equipment and relates to the fan shell machining technical field; the fan shell automatic assembling equipment comprises a machine body, a supporting mechanism and a maintaining mechanism are arranged on the machine body, the supporting mechanism is used for supporting the fan shell, the maintaining mechanism comprises a maintaining frame and a sliding assembly, the number of the maintaining frame is two, the maintaining frame is arranged on opposite sides of the fan shell respectively, and the maintaining frame is slidably connected with the machine body, the sliding assembly is used for driving each maintaining frame to slide so as to abut against the corresponding side plate in the fan shell, so that the positions of the volute and the side plate in the fan shell are maintained. The application has the effect that the volute and the side plate of the fan shell are conveniently spliced.
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Description

Technical Field

[0001] This application relates to the field of wind turbine casing processing technology, and in particular to an automated assembly equipment for wind turbine casings. Background Technology

[0002] As a type of fluid machinery that relies on input mechanical energy to increase gas pressure and transport gas, the core function of a fan is to drive and control gas flow, thus it is widely used in industry and daily life. The fan casing, as the outer shell of the fan, is usually designed in a volute shape, effectively protecting the internal components. It plays a vital role in collecting gas and converting energy, as well as supporting and positioning internal components.

[0003] Regarding the aforementioned technologies, in order to ensure the accuracy of the splicing between the vortex plate and the side plates of the casing during the assembly of the wind turbine casing, the existing technology generally requires workers to manually align the vortex plate and the side plates of the casing, and then spot weld the gap between the vortex plate and the side plates using welding equipment while maintaining the splicing between the vortex plate and the side plates. This increases the workload of the workers and reduces the efficiency of welding between the vortex plate and the side plates of the casing, and therefore needs to be improved. Summary of the Invention

[0004] To facilitate the splicing of the vortex plate and side plate of the fan casing, this application provides an automated assembly equipment for the fan casing.

[0005] This application provides an automated assembly equipment for wind turbine casings, which adopts the following technical solution: An automated assembly device for a wind turbine casing includes a body, on which a support mechanism and a maintaining mechanism are provided. The support mechanism is used to support the wind turbine casing, and the maintaining mechanism includes a support frame and a sliding assembly. The number of support frames is set to two, and they are respectively located on opposite sides of the wind turbine casing and are slidably connected to the body. The sliding assembly is used to drive each support frame to slide so as to abut against the corresponding side plate in the wind turbine casing, thereby maintaining the position of the volute and the side plate inside the wind turbine casing.

[0006] By adopting the above technical solution and configuring the holding mechanism, before welding the volute and side plates inside the fan casing, the sliding assembly can drive the two holding frames to slide, allowing the two holding frames to abut against the two side plates respectively. This ensures that the side plates and volute are tightly abutted, maintaining the current splicing state between the side plates and volute. This eliminates the need for workers to manually maintain the splicing state between the volute and side plates, effectively facilitating subsequent welding of the volute and side plates, reducing the workload of workers, and improving the efficiency of welding the volute plate to the side plates on both sides.

[0007] Preferably, the support frame is further provided with an external positioning mechanism, which includes an external positioning frame and a drive assembly. The number of external positioning frames is set to several, and one end of each frame is slidably connected to the corresponding support frame, while the other end is located on different sides of the fan housing so as to abut against the arc-shaped sidewall of the fan housing after sliding.

[0008] By adopting the above technical solution, the setting of the external positioning mechanism enables the drive component to drive each external positioning frame to slide when the support frame abuts against the fan casing. This allows one end of the external positioning frame to gradually approach the fan casing, thereby clamping the fan casing in different directions and achieving the positioning of the fan casing. This ensures the splicing effect between the volute and the side plate inside the fan casing.

[0009] Preferably, the drive assembly includes a drive ring, a transmission rod, and a drive component. The drive ring is rotatably connected to the corresponding support frame, and the drive component is used to drive the drive ring to rotate. The number of transmission rods is set to several and is arranged corresponding to the outer positioning frame. One end of each transmission rod is rotatably connected to the drive ring, and the other end is rotatably connected to the corresponding outer positioning frame.

[0010] By adopting the above technical solution and configuring the drive component, when the drive component drives the drive ring to rotate, the drive ring can drive the corresponding outer positioning frame to slide through the transmission rod, thereby causing each outer positioning frame to rotate, thus achieving the driving of each outer positioning frame and ensuring the integrity of the outer positioning frame during sliding.

[0011] Preferably, the driving component includes an extension frame, a driving frame, and a driving rod. The extension frame is connected to the driving ring. The extension frame also has a driving groove that extends along the length of the extension frame. The driving frame is slidably connected to the corresponding support frame. One end of the driving rod is connected to the driving frame, and the other end extends into the corresponding driving groove and abuts against the inner wall of the corresponding driving groove. The external positioning mechanism also includes a linkage component, which is used to drive the driving frame to slide.

[0012] By adopting the above technical solution and configuring the driving component, the driving rod can continuously abut against the inner wall of the driving groove when the driving frame rotates together with the driving rod. This abuts the additional frame and the driving ring to rotate together, thereby driving the rotation of the driving ring. The rotation of the driving ring can be converted into the sliding of the driving frame, which facilitates the driving of the driving ring.

[0013] Preferably, the sliding assembly includes a sliding member, a sliding frame, and a transmission frame. The sliding frame is slidably connected to the machine body. The sliding member is used to drive the sliding frame to slide. The number of transmission frames is set to several and corresponds to the support frame. One end of each transmission frame is rotatably connected to the corresponding support frame, and the other end is rotatably connected to the sliding frame.

[0014] By adopting the above technical solution and setting the sliding component, the sliding component can slide by driving the sliding frame, thereby causing the sliding frame to drive each support frame to slide through the transmission frame, and making the sliding directions of the support frames opposite, so that the two support frames can move closer to each other, realizing the clamping of the fan casing, effectively saving the number of active devices required to drive the support frame.

[0015] Preferably, the linkage assembly includes a linkage frame, a linkage block, and a linkage rod. One end of the linkage frame is rotatably connected to the corresponding transmission frame, and the other end is rotatably connected to the corresponding linkage block. The linkage block is slidably connected to the corresponding sliding frame. One end of the linkage rod is rotatably connected to the corresponding linkage block, and the other end is rotatably connected to the corresponding drive frame.

[0016] By adopting the above technical solution and configuring the linkage components, the transmission frame can drive the linkage block to slide relative to the support frame during the rotation of the transmission frame. This allows the linkage block to drive the drive frame to slide via the linkage rod during the sliding process, thereby realizing the linkage between the transmission frame and the drive frame. This, in turn, realizes the linkage between the support frame and the drive ring, effectively replacing the active device required to drive the drive ring to rotate. This ensures that when the support frame abuts against the fan casing, the outer positioning frame can smoothly abut against the side of the fan casing, guaranteeing the positioning effect and stability.

[0017] Preferably, the support frame is further provided with an inner positioning mechanism, which includes an inner positioning frame and a driving component. The number of inner positioning frames is set to several, and they are all located inside the drive ring. One end of each inner positioning frame is slidably connected to the corresponding support frame. The driving component is used to drive each inner positioning frame to slide. The inner wall of the air inlet of the fan housing is located on the displacement path of the other end of each inner positioning frame.

[0018] By adopting the above technical solution and setting the internal positioning mechanism, the driving component can drive each internal positioning frame to slide, so that one end of the internal positioning frame abuts against the inner wall of the air inlet of the fan casing, and together with the external positioning frame, positions the fan casing, effectively ensuring the positioning effect of the fan casing.

[0019] Preferably, the driving assembly includes a driving ring, a driving frame, and a linkage gear. The driving ring is rotatably connected to the retaining frame. The number of driving frames is set to several, and they correspond to the inner positioning frame. One end of each driving frame is rotatably connected to the corresponding inner positioning frame, and the other end is rotatably connected to the driving ring. A linkage gear ring is provided on the inner side of the driving ring and the outer side of the driving ring. The linkage gear is located between two linkage gear rings and meshes with each linkage gear ring.

[0020] By adopting the above technical solution and specifically setting the drive component, when the drive ring rotates, the linkage gear ring on the drive ring can drive the linkage gear ring on the drive ring to rotate through the linkage gear, thereby driving the rotation of the drive ring and realizing the linkage between the drive ring and the drive ring. This allows the drive ring to automatically drive the inner positioning frame to slide through the drive frame, realizing the synchronous sliding between the inner positioning frame and the outer positioning frame.

[0021] Preferably, the support mechanism includes a plurality of support rollers, all of which are disposed on the machine body and located below the fan housing, and on different sides of the fan housing respectively, with the top of each support roller abutting against the bottom of the fan housing.

[0022] By adopting the above technical solution, the support roller is designed to abut against the bottom of the fan casing, thereby supporting the bottom of the fan casing and facilitating the placement of the fan casing.

[0023] Preferably, the support mechanism further includes a positioning roller, which is disposed on the machine body, located on one side of the fan housing, and used to abut against the side wall of the top of the fan housing.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. The setting of the holding mechanism allows the sliding assembly to drive the two holding frames to slide before welding the volute and side plates inside the fan casing. This allows the two holding frames to abut against the two side plates respectively, thus ensuring a tight fit between the side plates and the volute. This maintains the current splicing state between the side plates and the volute, eliminating the need for manual maintenance of the splicing state between the volute and the side plates. This effectively facilitates the subsequent welding of the volute and the side plates, reduces the workload of the workers, and improves the efficiency of welding the volute plate to the side plates on both sides. 2. The setting of external and internal positioning mechanisms allows the drive component to drive each external positioning frame to slide when the support frame abuts against the fan casing. This causes one end of the external positioning frame to gradually approach the fan casing, while the internal positioning frame also slides under the drive component and abuts against the inner wall of the air inlet of the fan casing. This allows the internal and external positioning frames to position the fan casing together, effectively ensuring the positioning effect of the fan casing and ensuring the splicing effect between the volute and the side plate inside the fan casing. 3. The linkage component is designed so that when the transmission frame rotates relative to the support frame, the transmission frame can drive the linkage block to slide relative to the support frame. During the sliding process, the linkage block drives the drive frame to slide through the linkage rod, thereby realizing the linkage between the transmission frame and the drive frame. This achieves the linkage between the support frame and the drive ring, effectively replacing the active device required to drive the drive ring to rotate. This ensures that when the support frame abuts against the fan housing, the outer positioning frame can smoothly abut against the side of the fan housing, guaranteeing the positioning effect and stability. Attached Figure Description

[0025] Figure 1 This is a schematic diagram illustrating the overall automated assembly equipment for the wind turbine casing in the embodiments of this application.

[0026] Figure 2 This is a structural schematic diagram illustrating the sliding component in the embodiments of this application.

[0027] Figure 3 This is a structural schematic diagram used to illustrate the linkage component in the embodiments of this application.

[0028] Figure 4 This is a structural schematic diagram illustrating the internal positioning mechanism in the embodiments of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Machine body; 2. Support mechanism; 21. Positioning roller; 22. Support roller; 3. Holding mechanism; 31. Holding frame; 32. Sliding assembly; 321. Sliding component; 322. Sliding frame; 323. Transmission frame; 4. External positioning mechanism; 41. External positioning frame; 411. Abutting part; 42. Drive assembly; 421. Drive ring; 422. Transmission rod; 423. Drive component; 4231. Additional frame; 4232. Drive frame; 4233. Drive rod; 43. Linkage assembly; 431. Linkage frame; 432. Linkage block; 433. Linkage rod; 5. Drive groove; 6. Internal positioning mechanism; 61. Internal positioning frame; 62. Drive assembly; 621. Drive ring; 622. Drive frame; 623. Linkage gear; 624. Linkage gear ring; 7. Welding mechanism; 8. Conveying mechanism. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-4This application will be described in further detail.

[0031] This application discloses an automated assembly device for a wind turbine casing. (Refer to...) Figure 1 and Figure 2 The automated assembly equipment for the wind turbine casing includes a body 1, on which a support mechanism 2 and a holding mechanism 3 are mounted. The support mechanism 2 supports the wind turbine casing. The holding mechanism 3 includes a support frame 31 and a sliding assembly 32. Two support frames 31 are positioned on opposite sides of the wind turbine casing and are slidably connected to the body 1. The sliding assembly 32 drives each support frame 31 to slide against a corresponding side plate inside the wind turbine casing, thereby maintaining the position of the volute and side plate within the wind turbine casing.

[0032] Reference Figure 1 and Figure 2 The support mechanism 2 includes a positioning roller 21 and several support rollers 22. The bottom of each support roller 22 is fixedly connected to the body 1 via a bracket. In this embodiment, the number of support rollers 22 is set to two, both located below the fan housing and on different sides of the fan housing, so as to abut against the bottom of the fan housing, thereby supporting the bottom of the fan housing.

[0033] Reference Figure 1 and Figure 2 The bottom end of the positioning roller 21 is fixedly connected to the body 1 through a bracket and is located on one side of the top of the fan housing so as to abut against the side wall of the top of the fan housing. The positioning roller 21 is arranged parallel to the support roller 22 to perform preliminary positioning of the fan housing.

[0034] Reference Figure 1 and Figure 2 Both support frames 31 are slidably connected to the body 1 via slide rails, and are located on both sides of the body 1 in the width direction, with the sliding direction being the width direction of the body 1. The sliding assembly 32 includes a sliding member 321, a sliding frame 322, and a transmission frame 323. In this embodiment, the sliding member 321 is configured as a plurality of cylinders or electric push rods, which are fixedly installed at the bottom of the body 1, with the piston rods arranged vertically upward and fixedly connected to the bottom of the sliding frame 322.

[0035] Reference Figure 1 and Figure 2The sliding frame 322 is located on the lower side of the fan casing and is slidably connected to the body 1 via a slide rail, with the sliding direction being vertical. Several transmission frames 323 are provided; in this embodiment, two transmission frames 323 are used, each corresponding to a support frame 31. The top end of each transmission frame 323 is rotatably connected to the corresponding support frame 31 via a pin, and the bottom end extends obliquely downwards and is rotatably connected to the sliding frame 322 via a pin, thereby driving the sliding of the support frame 31.

[0036] Reference Figure 2 , Figure 3 and Figure 4 Each support frame 31 is equipped with an external positioning mechanism 4, each external positioning mechanism 4 including an external positioning frame 41 and a drive assembly 42. Each support frame 31 has several external positioning frames 41, one end of which is slidably connected to the corresponding support frame 31 via a slide rail, and the sliding path of each support frame 31 intersects with the axis of the support frame 31. The other end of each external positioning frame 41 is used to abut against a side plate on the fan casing, so as to apply pressure to the side plate by clamping, making the side plate and the volute fit tightly together.

[0037] Reference Figure 2 , Figure 3 and Figure 4 Each outer positioning frame 41 is provided with an abutment part 411 at the end away from the support frame 31. One end of each abutment part 411 is integrally formed with the corresponding outer positioning frame 41, and the other end extends outward and bends away from the support frame 31 after extension so as to abut against the arc-shaped side wall of the fan casing, thereby achieving the positioning of the fan casing.

[0038] Reference Figure 3 and Figure 4 Each drive assembly 42 includes a drive ring 421, a transmission rod 422, and a drive element 423. One end of each transmission rod 422 is rotatably connected to the corresponding outer positioning frame 41 via a pin, and the other end is rotatably connected to the corresponding drive ring 421 via a pin. Each drive ring 421 is rotatably connected to the corresponding support frame 31 via a bearing, and is concentrically arranged with the corresponding support frame 31.

[0039] Reference Figure 3 and Figure 4 Each driving component 423 includes an extension frame 4231, a driving frame 4232, and a driving rod 4233. Each extension frame 4231 is integrally formed with the corresponding driving ring 421. Each extension frame 4231 has a through-hole driving groove 5, and the extension direction of each driving groove 5 is the extension direction of the corresponding extension frame 4231. Each driving frame 4232 is located on the side of the corresponding support frame 31 away from the outer positioning frame 41, and is slidably connected to the corresponding support frame 31 via a slide rail.

[0040] Reference Figure 3 and Figure 4 Each drive rod 4233 has one end fixedly connected to the side of the corresponding drive frame 4232 near the drive ring 421, and the other end passes through the corresponding support frame 31 and extends into the drive groove 5 on the corresponding additional frame 4231, abutting against the inner sidewall of the drive groove 5. In this embodiment, the drive rod 4233 is configured as a cylindrical rod to reduce the friction between it and the drive groove 5, and the support frame 31 has a through groove for the drive rod 4233 to pass through, so as to allow for the sliding of the drive rod 4233.

[0041] Reference Figure 3 and Figure 4 Each external positioning mechanism 4 also includes a linkage component 43, and each drive component 42 includes a linkage frame 431, a linkage block 432 and a linkage rod 433. One end of each linkage frame 431 is rotatably connected to the top of the corresponding transmission frame 323 by a pin, and the other end extends upward and is rotatably connected to the corresponding linkage block 432 by a pin.

[0042] Reference Figure 3 and Figure 4 Each linkage block 432 is slidably connected to the corresponding support frame 31 via a slide rail through a pin, and the sliding direction is the same as that of the support frame 31. One end of each linkage rod 433 is rotatably connected to the corresponding linkage block 432 via a pin, and the other end is rotatably connected to the corresponding drive frame 4232 via a pin, so as to realize the transmission between the linkage block 432 and the drive frame 4232.

[0043] Reference Figure 2 , Figure 3 and Figure 4 In the initial state, with the volute and side plates of the fan casing placed on the support rollers 22 and the positioning rollers 21 abutting against the top side wall of the fan casing, in the splicing state, the outer positioning frame 41 is not abutting against the side plates, and the abutment portion 411 on the outer positioning frame 41 is not abutting against the arc-shaped side wall of the fan casing. When it is necessary to clamp and position the fan casing, the sliding component 321 drives the sliding frame 322 to slide downwards. At this time, the sliding frame 322, through the two transmission frames 323, drives the two holding frames 31 to move closer to each other.

[0044] During this process, the transmission frame 323 rotates relative to the support frame 31, causing the transmission frame 323 to slide through the linkage frame 431, which in turn causes the linkage block 432 to slide through the linkage rod 433, causing the drive frame 4232 to slide. This, in turn, causes the drive rod 4233 on the drive frame 4232 to continuously abut against the inner wall of the drive groove 5, thereby driving the drive ring 421 to rotate. At this time, the drive ring 421, through several transmission rods 422, causes each corresponding outer positioning frame 41 to slide, bringing the abutment portion 411 on the outer positioning frame 41 closer to the outer side of the fan housing. When the end of the outer positioning frame 41 abuts against the side wall of the corresponding side plate on the fan housing, each abutment portion 411 abuts against the arc-shaped side wall of the fan housing, thus positioning the fan housing from the outside.

[0045] Reference Figure 3 and Figure 4 Each support frame 31 is further provided with an inner positioning mechanism 6. Each inner positioning mechanism 6 includes an inner positioning frame 61 and a driving assembly 62. Each driving assembly 62 includes a driving ring 621, a driving frame 622, and a linkage gear 623. Each driving ring 621 is located inside the corresponding driving ring 421 and is concentrically arranged with the corresponding driving ring 421. A linkage gear ring 624 is provided on the inner side of each driving ring 421 and the outer side of each driving ring 621. Each linkage gear ring 624 is fixedly connected to the corresponding driving ring 621 or driving ring 421 and is coaxially arranged. Each linkage gear 623 is located between the linkage gear ring 624 on the corresponding driving ring 621 and the corresponding driving ring 421, and meshes with the linkage gear ring 624 on the corresponding driving ring 621 and the corresponding driving ring 421. Each gear is rotatably connected to the corresponding support frame 31 through a pin.

[0046] Reference Figure 3 and Figure 4 Each drive assembly 62 contains several drive frames 622. One end of each drive frame 622 is rotatably connected to the corresponding drive ring 621 via a pin, and the other end is rotatably connected to the corresponding inner positioning frame 61 via a pin. One end of each inner positioning frame 61 is slidably connected to the corresponding support frame 31 via a slide rail, and the sliding direction is intersecting the axis of the drive ring 621. The other end of each inner positioning frame 61 extends away from the corresponding support frame 31 so that when the support frame 31 slides, it enters the air inlet of the fan housing, and abuts against the inner wall of the air inlet after displacement.

[0047] Reference Figure 1The machine body 1 is also equipped with a welding mechanism 7. In this embodiment, the welding mechanism 7 includes two welding robots, which are located on both sides of the machine body 1 in the width direction and are used to weld the positioned fan casing. In this embodiment, the top of the machine body 1 is also equipped with a conveying mechanism 8, which consists of a linear module, a lifting module, and an electric gripper. The linear module is fixedly installed on the machine body 1, and its sliding seat slides in the length direction of the machine body 1. The lifting module is fixedly installed on the sliding seat, and the sliding seat moves in the vertical direction. The electric gripper is fixedly installed on the sliding seat of the lifting module and is used to grip side plates, volutes, etc.

[0048] The implementation principle of the automated assembly equipment for a fan casing according to an embodiment of this application is as follows: When the fan casing needs to be clamped and positioned, the sliding component 321 drives the sliding frame 322 to slide downward. At this time, the sliding frame 322 drives the two holding frames 31 to move closer to each other through two transmission frames 323. During this process, the transmission frame 323 rotates relative to the holding frame 31, thereby causing the transmission frame 323 to drive the linkage block 432 to slide through the linkage frame 431. In turn, the linkage block 432 drives the drive frame 4232 to slide through the linkage rod 433. As a result, the drive rod 4233 on the drive frame 4232 continuously abuts against the inner wall of the drive groove 5, thereby driving the drive ring 421 to rotate.

[0049] At this time, the drive ring 421, through several transmission rods 422, causes each corresponding outer positioning frame 41 to slide, thereby bringing the abutment portion 411 on the outer positioning frame 41 closer to the outer side of the fan housing. When the end of the outer positioning frame 41 abuts against the side wall of the corresponding side plate on the fan housing, each abutment portion 411 abuts against the arc-shaped side wall of the fan housing, thereby positioning the fan housing on the outside.

[0050] During this process, the drive ring 421 drives the drive ring 621 to rotate through the linkage gear 623, thereby causing the drive ring 621 to drive the corresponding inner positioning frame 61 to slide through several drive frames 622, so that one end of the inner positioning frame 61 abuts against the inner wall of the air inlet on the fan casing, thereby positioning the fan casing on the inside.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automated assembly equipment for a fan casing, characterized in that: The device includes a body (1), on which a support mechanism (2) and a maintenance mechanism (3) are provided. The support mechanism (2) is used to support the fan casing. The maintenance mechanism (3) includes a support frame (31) and a sliding assembly (32). The number of support frames (31) is set to two, and they are located on opposite sides of the fan casing, and both are slidably connected to the body (1). The sliding assembly (32) is used to drive each support frame (31) to slide so as to abut against the corresponding side plate in the fan casing, thereby maintaining the position of the volute and the side plate in the fan casing.

2. The automated assembly equipment for a fan casing according to claim 1, characterized in that: The support frame (31) is also provided with an external positioning mechanism (4). The external positioning mechanism (4) includes an external positioning frame (41) and a drive assembly (42). The number of external positioning frames (41) is set to several, and one end of each is slidably connected to the corresponding support frame (31), while the other end is located on different sides of the fan housing so that it abuts against the arc-shaped side wall of the fan housing after sliding.

3. The automated assembly equipment for a fan casing according to claim 2, characterized in that: The drive assembly (42) includes a drive ring (421), a transmission rod (422), and a drive member (423). The drive ring (421) is rotatably connected to the corresponding support frame (31). The drive member (423) is used to drive the drive ring (421) to rotate. The number of transmission rods (422) is set to several and is correspondingly arranged with the outer positioning frame (41). One end of each transmission rod (422) is rotatably connected to the drive ring (421), and the other end is rotatably connected to the corresponding outer positioning frame (41).

4. The automated assembly equipment for a wind turbine casing according to claim 3, characterized in that: The driving component (423) includes an extension frame (4231), a driving frame (4232), and a driving rod (4233). The extension frame (4231) is connected to the driving ring (421). The extension frame (4231) is also provided with a driving groove (5). The driving groove (5) extends along the length of the extension frame (4231). The driving frame (4232) is slidably connected to the corresponding support frame (31). One end of the driving rod (4233) is connected to the driving frame (4232), and the other end extends into the corresponding driving groove (5) and abuts against the inner wall of the corresponding driving groove (5). The external positioning mechanism (4) also includes a linkage component (43). The linkage component (43) is used to drive the driving frame (4232) to slide.

5. The automated assembly equipment for a fan casing according to claim 4, characterized in that: The sliding assembly (32) includes a sliding member (321), a sliding frame (322), and a transmission frame (323). The sliding frame (322) is slidably connected to the body (1). The sliding member (321) is used to drive the sliding frame (322) to slide. The number of transmission frames (323) is set to several and corresponds to the support frame (31). One end of each transmission frame (323) is rotatably connected to the corresponding support frame (31), and the other end is rotatably connected to the sliding frame (322).

6. The automated assembly equipment for a fan casing according to claim 5, characterized in that: The linkage assembly (43) includes a linkage frame (431), a linkage block (432), and a linkage rod (433). One end of the linkage frame (431) is rotatably connected to the corresponding transmission frame (323), and the other end is rotatably connected to the corresponding linkage block (432). The linkage block (432) is slidably connected to the corresponding sliding frame (322). One end of the linkage rod (433) is rotatably connected to the corresponding linkage block (432), and the other end is rotatably connected to the corresponding drive frame (4232).

7. The automated assembly equipment for a fan casing according to claim 3, characterized in that: The support frame (31) is also provided with an inner positioning mechanism (6). The inner positioning mechanism (6) includes an inner positioning frame (61) and a driving component (62). The number of inner positioning frames (61) is set to several, and they are all located inside the drive ring (421). One end of each inner positioning frame (61) is slidably connected to the corresponding support frame (31). The driving component (62) is used to drive each inner positioning frame (61) to slide. The inner wall of the air inlet of the fan housing is located on the displacement path of the other end of each inner positioning frame (61).

8. The automated assembly equipment for a fan casing according to claim 7, characterized in that: The drive assembly (62) includes a drive ring (621), a drive frame (622), and a linkage gear (623). The drive ring (621) is rotatably connected to the support frame (31). The number of drive frames (622) is set to several, and they correspond to the inner positioning frame (61). One end of each drive frame (622) is rotatably connected to the corresponding inner positioning frame (61), and the other end is rotatably connected to the drive ring (621). The inner side of the drive ring (421) and the outer side of the drive ring (621) are provided with linkage gear rings (624). The linkage gear (623) is located between two linkage gear rings (624) and meshes with each linkage gear ring (624).

9. The automated assembly equipment for a fan casing according to claim 1, characterized in that: The support mechanism (2) includes a plurality of support rollers (22), which are all disposed on the body (1). The plurality of support rollers (22) are all located below the fan housing and are located on different sides of the fan housing respectively. The top of each support roller (22) abuts against the bottom of the fan housing.

10. The automated assembly equipment for a wind turbine casing according to claim 1, characterized in that: The support mechanism (2) further includes a positioning roller (21), which is disposed on the body (1). The positioning roller (21) is located on one side of the fan housing and is used to abut against the side wall of the top of the fan housing.