Chain collector box, hoist, nacelle and wind turbine generator set

By installing a drive component in the chain box to make the base plate swing, the guide chain shakes and slides down, thus solving the problem of guide chain accumulation and improving the space utilization of the chain box.

CN116477196BActive Publication Date: 2026-05-19SANY ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SANY ELECTRIC CO LTD
Filing Date
2023-04-27
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing chain collection boxes are prone to over-accumulation during the chain collection process, resulting in insufficient height or volume of the chain collection boxes. Furthermore, solutions to increase the volume of the chain collection boxes result in wasted space and unsatisfactory performance.

Method used

Design a chain box including a box cover, a box body and a drive assembly. The box body is equipped with a bottom plate. The drive assembly drives the bottom plate to swing. Under the drive, the bottom plate causes the guide chain to shake and slide down, avoiding accumulation and improving space utilization.

Benefits of technology

This effectively avoids excessive accumulation of the guide chain during the collection process, improves the space utilization of the chain collection box, and solves the problem of wasted space in the chain collection box in existing technologies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of hoist, provide a kind of set chain box, hoist, cabin and wind turbine unit, set chain box includes lid, box and drive assembly, wherein, lid is equipped with through-hole;Box is connected with lid matching, bottom plate is equipped in box;Drive assembly is used to drive bottom plate swing.The above-mentioned set chain box includes lid, box and drive assembly, wherein, through-hole is equipped on lid, bottom plate is equipped in box, and drive assembly is used to drive bottom plate swing.In actual use, guide chain is passed into set chain box from through-hole, and gradually accumulates in set chain box;Because bottom plate for supporting guide chain is equipped in box, and the bottom plate can be swung under the drive of drive assembly, to make the guide chain accumulated to shake and slide, so that the space in box can be fully utilized, and the problem of guide chain accumulation too high is solved in the present stage.
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Description

Technical Field

[0001] This invention relates to the field of hoisting technology, and in particular to a chain box, hoist, nacelle, and wind turbine generator set. Background Technology

[0002] A hoist is a mechanical device that achieves transportation by changing potential energy. The chain collection box, as the chain collection device of the hoist, is usually installed in the nacelle of a wind turbine generator.

[0003] Currently, during operation, insufficient lubrication of the chain guide can easily lead to excessive accumulation of the chain during collection, resulting in insufficient height or volume of the chain collection box. This can cause the chain guide to continue piling up or even fall out of the box. The current solution is to increase the volume of the chain collection box, but this results in excessive waste of internal space and unsatisfactory performance.

[0004] Therefore, how to avoid excessive accumulation of the chain during the collection process and improve the space utilization of the chain collection box is a problem that urgently needs to be solved in this field at present.

[0005] It should be noted that the information disclosed in the background section of this invention is intended only to enhance the understanding of the overall background of this invention, and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Summary of the Invention

[0006] This invention provides a chain collection box that avoids excessive chain accumulation during the collection process, improves the space utilization of the chain collection box, and solves a current problem in this field. This invention also provides a hoist, including the aforementioned chain collection box, thus avoiding excessive chain accumulation during the collection process, improving the space utilization of the chain collection box, and solving a current problem in this field. This invention further provides a nacelle, including the aforementioned chain collection box, thus avoiding excessive chain accumulation during the collection process, improving the space utilization of the chain collection box, and solving a current problem in this field. This invention also provides a wind turbine generator set, including the aforementioned nacelle, thus avoiding excessive chain accumulation during the collection process, improving the space utilization of the chain collection box, and solving a current problem in this field.

[0007] A first aspect of the present invention provides a chain box, comprising:

[0008] The box lid has a through hole;

[0009] The box body is matched and connected to the box lid, and a bottom plate is provided inside the box body;

[0010] A drive component for driving the base plate to swing.

[0011] The chain box provided by the present invention further includes a limiting component, the limiting component comprising:

[0012] The first link is connected to the base plate;

[0013] The second link is connected to the housing;

[0014] A rotating component is provided, with its middle portion hinged to the box cover. Both ends of the rotating component are connected to the first connecting rod and the second connecting rod, respectively. A gap exists between the rotating component and the box cover. The rotating component rotates under the drive of the base plate, and the box cover can limit the movement of both ends of the rotating component.

[0015] According to the chain box provided by the present invention, the limiting component further includes a connector;

[0016] One end of the connector is connected to the bottom of the box body, and the other end is hinged to the middle of the rotating part. The bottom of the box cover limits the two ends of the rotating part.

[0017] The chain box provided by the present invention further includes an upright plate, which is disposed on the base plate.

[0018] According to the chain box provided by the present invention, the drive assembly includes a rotating rod;

[0019] The rotating rod is connected to the base plate and is used to drive the base plate to swing.

[0020] According to the chain box provided by the present invention, the driving assembly further includes a driving element;

[0021] The rotating rod passes through the side wall of the housing and is connected to the driving component, which drives the rotating rod to rotate.

[0022] According to the chain box provided by the present invention, the rotating rod is connected to the bottom of the base plate and is located in the middle of the base plate.

[0023] A second aspect of the invention provides a hoist, comprising a chain box as described in any of the preceding embodiments.

[0024] A third aspect of the invention provides a cabin including a chain box as described in any of the preceding embodiments.

[0025] A fourth aspect of the present invention provides a wind turbine generator set, including the nacelle described above.

[0026] The chain collection box provided by this invention includes a lid, a body, and a drive assembly. The lid has a through hole; the body is matched and connected to the lid, and a bottom plate is located inside the body; the drive assembly is used to drive the bottom plate to swing. In practical use, the chain guide passes through the through hole into the chain collection box and gradually accumulates inside. Because the bottom plate inside the box supports the chain guide, and this bottom plate can swing under the drive assembly, the accumulated chain guide can shake and slide off, thus making full use of the space inside the box and preventing the chain guide from piling up too high. Therefore, the chain collection box provided by this invention can prevent excessive accumulation of the chain guide during the collection process, improve the space utilization of the chain collection box, and solve the current problems in this field. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0028] Figure 1 This is a front view of the chain box in a specific embodiment of the present invention;

[0029] Figure 2 This is a side sectional view of the chain box in a specific embodiment of the present invention;

[0030] Figure 3 This is a front sectional view of the chain box in a specific embodiment of the present invention;

[0031] Figure 4 This is a top cross-sectional view of the chain box in a specific embodiment of the present invention.

[0032] Figure label:

[0033] 1. Cover; 2. Through hole; 3. Body; 4. Base plate; 5. Drive assembly; 6. Limiting assembly; 7. Vertical plate; 8. Mounting plate;

[0034] 51. Rotating rod;

[0035] 61. First connecting rod; 62. Second connecting rod; 63. Rotating component; 64. Connecting component. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0037] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of the embodiments of the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention according to the specific circumstances.

[0039] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0040] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0041] The following is combined Figures 1 to 4 This description covers the chain box, hoist, nacelle, and wind turbine generator set in this specific embodiment. It should be understood that the following are merely illustrative embodiments of the present invention and do not constitute any particular limitation on the present invention.

[0042] The chain collection box provided in this specific embodiment mainly includes a box cover 1, a box body 3, and a drive assembly 5. The box cover 1 is provided with a through hole 2 for the guide chain to pass through. During the use of the chain collection box, the guide chain enters or exits the chain collection box through the through hole 2. The box body 3 is matched and connected to the box cover 1. The box body 3 is provided with a bottom plate 4, which is used to support the guide chain. That is, the bottom plate 4 is used to directly support the guide chain entering the chain collection box. The drive assembly 5 is used to drive the bottom plate 4 to swing, thereby causing the bottom plate 4 to drive the guide chain to sway.

[0043] The aforementioned chain collection box includes a cover 1, a box body 3, and a drive assembly 5. The cover 1 has a through hole 2, and the box body 3 has a base plate 4. The drive assembly 5 is used to drive the base plate 4 to swing. In actual use, the chain guide passes through the through hole 2 into the chain collection box and gradually accumulates inside. Because the box body 3 has a base plate 4 for supporting the chain guide, and this base plate 4 can swing under the drive assembly 5, the accumulated chain guide can shake and slide down, so that the space inside the box body 3 can be fully utilized and the chain guide can be prevented from piling up too high.

[0044] Therefore, the chain collection box provided by the present invention can avoid excessive accumulation of the guide chain during the collection process, improve the space utilization of the chain collection box, and solve the current problems in this field.

[0045] The chain box provided in this specific embodiment may further include a limiting component 6, which may include a first connecting rod 61, a second connecting rod 62, and a rotating member 63. Please refer to [link to relevant documentation]. Figure 2The first connecting rod 61 is connected to the base plate 4, and the second connecting rod 62 is connected to the box body 3; the middle part of the rotating part 63 is hinged to the box cover 1, and the two ends of the rotating part 63 are respectively connected to the first connecting rod 61 and the second connecting rod 62; furthermore, there is a gap between the rotating part 63 and the box cover 1, and the rotating part 63 rotates under the drive of the base plate 4, and the box cover 1 can limit the two ends of the rotating part 63 respectively.

[0046] In actual use, the base plate 4 swings under the drive of the drive assembly 5, and drives the rotating part 63 to rotate through the first connecting rod 61, so that the two ends of the rotating part 63 swing between the rotating part 63 and the box cover 1, thereby limiting the two ends of the rotating part 63 to restrict the swing amplitude of the base plate 4 within a certain suitable angle range.

[0047] For details, please see Figure 4 When the base plate 4 swings to the left, it will cause the first connecting rod 61 to move downward, which in turn causes the other end of the rotating part 63 to move upward. This, in turn, causes one end of the box body 3 to move upward via the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move downward. When the end of the rotating part 63 connected to the first connecting rod 61 abuts against the box cover 1, the drive assembly 5 causes the base plate 4 to swing to the right. Similarly, the base plate 4 will cause the first connecting rod 61 to move upward, which in turn causes the other end of the rotating part 63 to move downward. This, in turn, causes one end of the box body 3 to move downward via the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move upward. This process continues until the end of the rotating part 63 connected to the second connecting rod 62 abuts against the box cover 1, and the above actions are repeated.

[0048] During the above process, the base plate 4 repeatedly swings, which causes the stacked guide chains to shake and slide down, so that the space inside the box 3 can be fully utilized and the guide chains can be prevented from stacking too high.

[0049] Therefore, the chain collection box provided by the present invention can avoid excessive accumulation of the guide chain during the collection process, improve the space utilization of the chain collection box, and solve the current problems in this field.

[0050] The chain box provided in this specific embodiment may further include a connector 64 as the limiting component 6; one end of the connector 64 is connected to the bottom of the box body 3, and the other end is hinged to the middle of the rotating component 63, and the bottom of the box cover 1 limits the two ends of the rotating component 63 respectively.

[0051] In one embodiment, the rotating member 63 is hinged to the bottom of the box cover 1 via a connecting member 64. The presence of the connecting member 64 creates a gap between the box cover 1 and the rotating member 63. One end of the connecting member 64 is connected to the bottom of the box cover 1, and the other end of the connecting member 64 is hinged to the middle of the rotating member 63. When the base plate 4 drives the rotating member 63 to swing, the bottom of the box cover 1 can limit the two ends of the rotating member 63 respectively, thereby controlling the swing amplitude of the base plate 4 within a suitable range.

[0052] In another embodiment, the limiting components 6 can be two sets, that is, the first link 61, the second link 62, the rotating part 63 and the connecting part 64 can be two matching ones. Thus, during the swinging process of the base plate 4, the setting of two sets of limiting components 6 can make the overall structure more stable, better ensure the smooth swinging of the base plate 4, and extend the service life of the chain box.

[0053] For the chain box provided in this specific embodiment, please refer to [link / reference]. Figure 3 It may also include a vertical plate 7, which may be set on the base plate 4 to separate the guide chain and the first connecting rod 61.

[0054] Please see Figure 3 The upright plate 7 is in a vertical position relative to the base plate 4. The first connecting rod 61 is located between the side wall of the box 3 and the upright plate 7, which separates the guide chain inside the box 3 from the limiting component 6, thereby preventing the first connecting rod 61 from moving up and down and affecting the movement of the guide chain.

[0055] The chain box provided in this specific embodiment includes a drive assembly 5 that may include a rotating rod 51. The rotating rod 51 may be connected to the base plate 4 and used to drive the base plate 4 to swing.

[0056] For details, please see Figure 3 The rotating rod 51 can be mounted on the base plate 4. In actual use, the rotation of the rotating rod 51 causes the base plate 4 to swing. In actual use, ... Figure 3Based on the shown perspective, when the rotating rod 51 rotates to the left, it causes the base plate 4 to swing to the left. At this time, the base plate 4 causes the first connecting rod 61 to move downward, which in turn causes the other end of the rotating component 63 to move upward. This, in turn, causes one end of the box body 3 to move upward via the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move downward. When the end of the rotating component 63 connected to the first connecting rod 61 abuts against the box cover 1, the drive assembly 5 causes the base plate 4 to swing to the right. Similarly, when the rotating rod 51 rotates to the right, it causes the base plate 4 to swing to the right. At this time, the base plate 4 causes the first connecting rod 61 to move upward, which in turn causes the other end of the rotating component 63 to move downward. This, in turn, causes one end of the box body 3 to move downward via the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move upward. This continues until the end of the rotating component 63 connected to the second connecting rod 62 abuts against the box cover 1, and the above actions are repeated.

[0057] In the actual design of the chain box provided in this specific embodiment, the rotating component 63 can be rotated manually or mechanically, i.e., driven by a drive component.

[0058] In one embodiment, the rotating component 63 can be rotated manually. In actual design, the rotating rod 51 can pass through the side wall of the box 3. When it is necessary to adjust the tilt direction of the bottom plate 4, the rotating component 63 can be rotated by manual operation, thereby causing the rotating component 63 to swing the bottom plate 4, which in turn causes the guide chains piled on the bottom plate 4 to shake and fall off.

[0059] Furthermore, the aforementioned drive assembly 5 may also include a drive member; in one embodiment, the drive member may be disposed outside the housing 3, and the rotating rod 51 may pass through the side wall of the housing 3 and be connected to the drive member. The drive member is used to drive the rotating rod 51 to rotate, and then, under the drive of the drive member, the rotating member 63 rotates to drive the bottom plate 4 to swing, thereby causing the guide chains piled on the bottom plate 4 to shake and fall off.

[0060] In another embodiment, the driving component can be located inside the housing 3. The rotating rod 51 does not need to pass through the side wall of the housing 3. The rotating rod 51 is connected to the driving component inside the housing 3. Under the drive of the driving component, the rotating component 63 rotates, which in turn causes the base plate 4 to swing, thereby causing the guide chains piled on the base plate 4 to shake and fall off.

[0061] In the chain box provided in this specific embodiment, the rotating rod 51 can be connected to the bottom of the base plate 4 and is located in the middle of the base plate 4.

[0062] In one embodiment, please refer to Figure 3The rotating rod 51 can be set at the bottom of the base plate 4, thus connecting with the base plate 4 at the bottom. This prevents the rotating rod 51 from affecting the guide chain on the base plate 4 during rotation, avoiding entanglement between the rotating rod 51 and the guide chain, and ensuring the smooth operation of the guide chain. At the same time, in order to make the leftward and rightward swing amplitudes of the base plate 4 similar, and thus better make the guide chain piled on the base plate 4 shake, the rotating rod 51 can be set at the middle position of the base plate 4, so that the base plate 4 can shake more significantly, thereby better making the guide chain shake and causing the piled guide chain to slide down, so that the space inside the box 3 can be fully utilized.

[0063] In this specific embodiment of the chain box, the through hole 2 can be set near the edge of the box cover 1 and located on one side of the rotating rod 51.

[0064] In one embodiment, please refer to Figure 3 The through hole 2 is located near the edge of the lid 1, so that when the guide chain passes through the lid 1 and enters the box 3, the guide chain can be piled up on one side of the box 3. When the bottom plate 4 swings, the piled guide chain can be better guided to swing to the other side of the box 3, so that the guide chain is more evenly distributed in the space of the box 3, so as to make full use of the internal space of the box 3. Furthermore, the through hole 2 can be located on one side of the rotating rod 51, so that the position of the piled guide chain can match the swing direction of the bottom plate 4.

[0065] The chain collection box provided in this specific embodiment may have an installation plate 8 on the box cover 1, which is used to connect with the body of the hoist.

[0066] In one embodiment, the box cover 1 may be provided with a mounting plate 8, and the mounting plate 8 may be provided with mounting holes. In actual use, the box cover 1 and the hoist body can be connected through the mounting plate 8.

[0067] In another embodiment, the housing 3 may also be provided with an installation structure, and the installation structure does not affect the shaking of the housing 3 during the operation of the chain conveyor, thus ensuring the normal operation of the chain conveyor.

[0068] This specific embodiment also provides an elevator, including the aforementioned chain collection box, and therefore this elevator is also within the scope of protection of this invention.

[0069] The hoist provided in this specific embodiment includes the chain collection box mentioned above. The chain collection box mainly includes a box cover 1, a box body 3, and a drive assembly 5. In actual use, the guide chain passes through the through hole 2 and enters the chain collection box, and gradually accumulates inside the chain collection box. Because the box body 3 is provided with a base plate 4 for supporting the guide chain, and the base plate 4 can swing under the drive assembly 5, the accumulated guide chain can shake and slide down, so that the space inside the box body 3 can be fully utilized and the guide chain can be avoided from accumulating too high.

[0070] Furthermore, the chain collection box of the aforementioned hoist may also include a limiting component 6, which may include a first connecting rod 61, a second connecting rod 62, and a rotating component 63. Please refer to [link to relevant documentation]. Figure 2 The first connecting rod 61 is connected to the base plate 4, and the second connecting rod 62 is connected to the box body 3; the middle part of the rotating part 63 is hinged to the box cover 1, and the two ends of the rotating part 63 are respectively connected to the first connecting rod 61 and the second connecting rod 62; furthermore, there is a gap between the rotating part 63 and the box cover 1, and the rotating part 63 rotates under the drive of the base plate 4, and the box cover 1 can limit the two ends of the rotating part 63 respectively.

[0071] Furthermore, the hoist provided by the present invention includes a drive assembly 5 for the chain collection box, which may include a rotating rod 51 and a drive member. The rotating rod 51 may be connected to the base plate 4 and is used to drive the base plate 4 to swing. The drive member is used to drive the rotating rod 51 to rotate, and then, under the drive of the drive member, the rotating member 63 rotates to drive the base plate 4 to swing, thereby causing the guide chain piled on the base plate 4 to shake and fall off.

[0072] The following details the working process of the chain conveyor box; please refer to [link / reference]. Figure 3 The guide chain passes through the through hole 2 on the lid 1, enters the box body 3, and accumulates on one side of the box body 3. The rotating rod 51 can first drive the bottom plate 4 to rotate to the left, which will then drive the bottom plate 4 to swing to the left. At this time, the bottom plate 4 will drive the first connecting rod 61 to move downward, which will then cause the other end of the rotating part 63 to move upward. This will then drive one end of the box body 3 to move upward through the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move downward. When the end of the rotating part 63 connected to the first connecting rod 61 abuts against the lid 1, the drive assembly 5 will drive the bottom plate 4 to swing to the right. Similarly, the rotating rod 51 will then drive the bottom plate 4 to swing to the right again. At this time, the bottom plate 4 will drive the first connecting rod 61 to move upward, which will then cause the other end of the rotating part 63 to move downward. This will then drive one end of the box body 3 to move downward through the second connecting rod 62, while simultaneously causing the other end of the box body 3 to move upward, until the end of the rotating part 63 connected to the second connecting rod 62 abuts against the lid 1. The above actions are repeated.

[0073] This specific embodiment also provides a cabin, including the aforementioned chain box, and therefore this cabin is also within the scope of protection of this invention.

[0074] This specific embodiment also provides a wind turbine generator set, including the nacelle described above, and therefore this wind turbine generator set is also within the scope of protection of this invention.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A chain conveyor box, characterized in that, include: The box lid has a through hole; The box body is matched and connected to the box lid, and a bottom plate is provided inside the box body; A drive assembly for driving the base plate to swing. The limiting assembly includes a first connecting rod, a second connecting rod, and a rotating member. The first connecting rod is connected to the base plate, the second connecting rod is connected to the housing, the middle part of the rotating member is hinged to the housing cover, and both ends of the rotating member are connected to the first connecting rod and the second connecting rod, respectively. There is a gap between the rotating member and the housing cover. The rotating member rotates under the drive of the base plate, and the housing cover can limit the two ends of the rotating member. The drive assembly includes a rotating rod that passes through the side wall of the housing and is connected to the bottom plate, for driving the bottom plate to swing.

2. The chain conveyor according to claim 1, characterized in that, The limiting component also includes a connector; One end of the connector is connected to the bottom of the box body, and the other end is hinged to the middle of the rotating part. The bottom of the box cover limits the two ends of the rotating part.

3. The chain conveyor according to claim 1, characterized in that, It also includes a vertical plate, which is disposed on the base plate.

4. The chain conveyor according to claim 3, characterized in that, The drive assembly also includes a drive component; The rotating rod passes through the side wall of the housing and is connected to the driving component, which drives the rotating rod to rotate.

5. The chain conveyor according to claim 3 or 4, characterized in that, The rotating rod is connected to the bottom of the base plate and is located in the middle of the base plate.

6. A hoist, characterized in that, Includes the chain box as described in any one of claims 1-5.

7. An aircraft cabin, characterized in that, Includes the chain box as described in any one of claims 1-5.

8. A wind turbine generator set, characterized in that, Includes the cabin as described in claim 7.