Series self-sensing automatic emergency bearing and working method

Abstract

The application belongs to the technical field of mechanical fittings, and provides a series self-sensing automatic emergency bearing and a working method. The series self-sensing automatic emergency bearing comprises a bearing base, a main bearing, a middle shaft, an emergency bearing and a fixing frame. The main bearing is nested in the bearing base. One end of the middle shaft is nested in the main bearing. The emergency bearing is nested in one end of the bearing base in series, and is nested in cooperation with the middle shaft in a gap. The fixing frame is arranged between the bearing base and the emergency bearing, and is used for fixing the gap between the emergency bearing and the middle shaft. When the main bearing fails and the middle shaft and the emergency bearing are attached, the emergency bearing automatically breaks the fixing frame, the middle shaft is fixed in the emergency bearing, and the outer part of the emergency bearing forms a new bearing support with the bearing base.

Description

Technical Field

[0001] This invention belongs to the field of mechanical parts technology, and in particular relates to a series-type self-sensing automatic emergency bearing and its working method. Background Technology

[0002] The statements in this section are merely background information related to the present invention and do not necessarily constitute prior art.

[0003] Bearings are an important component in modern mechanical equipment. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during movement, and ensure rotational accuracy. The supporting role of bearings essentially means bearing radial loads; they can also be understood as fixing the shaft so that it can only rotate.

[0004] Bearings, being components that support rotation, are inherently prone to wear. Currently, most bearing failures require system shutdown for replacement. However, in certain scenarios (such as aerospace equipment or nuclear power plants in operation or performing missions), timely shutdown for bearing replacement is not feasible, impacting the overall operational stability of the equipment. Furthermore, even if some bearings can be handled in emergencies, existing bearings lack autonomous emergency response capabilities, still requiring manual intervention to activate their emergency mode. This results in poor bearing autonomy in emergency response and low emergency efficiency. Summary of the Invention

[0005] In order to solve the technical problems existing in the background art, the present invention provides a series self-sensing automatic emergency bearing and its working method, which has the characteristics of automatic sensing, autonomous emergency response, simple operation, low cost and reliable performance.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] The first aspect of the present invention provides a series-connected self-sensing automatic emergency bearing.

[0008] A series-connected self-sensing automatic emergency bearing includes:

[0009] Bearing base, main bearing, central shaft, emergency bearing, and mounting bracket;

[0010] The main bearing is nested inside the bearing base;

[0011] One end of the central shaft is nested inside the main bearing;

[0012] The emergency bearing is nested in series at one end of the bearing base and is also nested with the central shaft with clearance.

[0013] The fixing bracket is disposed between the bearing base and the emergency bearing, and is used to fix the gap between the emergency bearing and the central shaft;

[0014] When the main bearing fails and the central shaft and emergency bearing are in contact, the emergency bearing automatically breaks the fixing frame, so that the central shaft is fixed inside the emergency bearing, and the outside of the emergency bearing and the bearing base form a new bearing support.

[0015] In one implementation, the end of the central shaft is provided with a tapered head, and the interior of the emergency bearing is provided with a tapered hole. The gap between the central shaft and the emergency bearing is ensured by adjusting the positional relationship between the tapered head and the tapered hole.

[0016] In one implementation, after the conical head and the conical hole come into contact, they lock together to form a fixed whole.

[0017] In one embodiment, the emergency bearing is provided with a mounting base for installing a mounting bracket.

[0018] In one embodiment, a magnetic material is added to the fixing base, so that an attractive force is generated between the fixing base and the bearing base.

[0019] In one embodiment, the fixing frame includes a connecting plate and a support rod. The connecting plate is disposed on both sides of the support rod and is fixedly connected to the side of the bearing base and the emergency bearing, respectively. The support rod supports the connecting plates on both sides to maintain a preset gap.

[0020] In one implementation, the support rod is arranged perpendicular to the connecting plate.

[0021] In one embodiment, a break is provided between the connecting plate and the support rod.

[0022] A second aspect of the present invention provides a method for operating a series-connected self-sensing automatic emergency bearing as described above.

[0023] A method for operating a series-type self-sensing automatic emergency bearing as described above includes:

[0024] When the main bearing fails, the gap between the central shaft and the emergency bearing decreases until they come into contact. The emergency bearing automatically breaks the fixing frame, so that the central shaft is fixed inside the emergency bearing, and the outside of the emergency bearing and the bearing base form a new bearing support.

[0025] In one implementation, when the main bearing fails, the gap between the central shaft and the emergency bearing decreases until they come into contact. The central shaft drives the emergency bearing to rotate, and the emergency bearing drives the connecting plate on one side of the fixed frame to rotate relative to the connecting plate on the other side. This causes the support rod to deflect relative to the connecting plate, thereby bringing the distance between the two connecting plates closer. This, in turn, drives the emergency bearing to move relative to the central shaft along the axial direction, so that the conical head and the conical hole come into close contact and form a solid self-locking whole.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] This invention integrates an emergency bearing in series at one end of a bearing base, with a clearance fit between the emergency bearing and the central shaft. A fixing frame is also installed between the bearing base and the emergency bearing to maintain the clearance between the emergency bearing and the central shaft. When the main bearing fails and the clearance between the central shaft and the emergency bearing decreases until they come into contact, the emergency bearing automatically breaks the fixing frame, fixing the central shaft internally. The external components of the emergency bearing and the bearing base form a new bearing support. This enables the series-connected self-sensing automatic emergency bearing to have automatic sensing and autonomous emergency response capabilities, and it is proactive, low-cost, and reliable.

[0028] Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0029] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0030] Figure 1 This is a schematic diagram of the overall structural layout of the series-connected self-sensing automatic emergency bearing according to an embodiment of the present invention;

[0031] Figure 2 This is a schematic view of the central axis structure in an embodiment of the present invention;

[0032] Figure 3 This is a schematic diagram of the emergency bearing section of an embodiment of the present invention;

[0033] Figure 4 This is a cross-sectional view of the internal assembly of the bearing according to an embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the support structure according to an embodiment of the present invention;

[0035] Among them, 1. Bearing base; 2. Main bearing; 3. Emergency bearing; 301. Tapered hole; 302. Fixed seat; 4. Fixed frame; 401. Connecting plate; 402. Support rod; 403. Break; 5. Central shaft; 501. Tapered head. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0037] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0038] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0039] The bearing referred to in this invention can be a sliding bearing or a rolling bearing.

[0040] according to Figure 1 This embodiment provides a series-connected self-sensing automatic emergency bearing, including: bearing base 1, main bearing 2, emergency bearing 3, fixing frame 4, and central shaft 5.

[0041] The bearing base 1 is located on the outermost layer and is used to install and fix the entire bearing. The main bearing 2 is nested inside the bearing base 1, and the central shaft 5 is nested inside the main bearing 2, with the main bearing 2 providing the main support for the central shaft 5. The emergency bearing 3 is nested in series at one end of the bearing base 1 and is also fitted with the central shaft 5 with a clearance fit. The fixing bracket 4 is placed between the bearing base 1 and the emergency bearing 3 to fix the clearance between the emergency bearing 3 and the central shaft 5.

[0042] When the main bearing 2 fails, the gap between the central shaft 5 and the emergency bearing 3 decreases until they come into contact. At this time, the emergency bearing 3 breaks the fixing frame 4, so that the central shaft 5 is fixed inside, and a new bearing support is formed with the bearing base 1 outside.

[0043] This embodiment enables the series-connected self-sensing automatic emergency bearing to have automatic sensing and autonomous emergency response capabilities through the above structure. Moreover, it is active, low-cost, and reliable in performance.

[0044] In this embodiment, a tapered head 501 is provided at the end of the central shaft 5, and a tapered hole 301 is provided inside the emergency bearing 3. The clearance between the central shaft 5 and the emergency bearing 3 is ensured by adjusting the positional relationship between the tapered head 501 and the tapered hole 301. Figures 2-4 As shown.

[0045] Specifically, after the conical head 501 and the conical hole 301 come into contact, they lock together to form a fixed whole.

[0046] It is understood here that, in some other embodiments, the clearance between the central shaft 5 and the emergency bearing 3 may also be adjusted by other existing technologies, which will not be described in detail here.

[0047] like Figure 3 As shown, the emergency bearing 3 is provided with a fixing seat 302, which is used to install the fixing bracket 4.

[0048] In some other embodiments, a magnetic material is added to the mounting base 302 to create an attraction between the mounting base 302 and the bearing base 1, which helps to secure the emergency bearing 3 to the central shaft 5.

[0049] It is understood here that in some other embodiments, the fixed emergency bearing 3 and the central shaft 5 may also be fixed in other ways, which will not be described in detail here.

[0050] like Figure 5 As shown, the fixing frame 4 includes a connecting plate 401 and a support rod 402. The connecting plate 401 is placed on both sides of the support rod 402. The support rod 402 is arranged perpendicular to the connecting plate 401. The connecting plate 401 is fixedly connected to the sides of the bearing base 1 and the emergency bearing 3 respectively. The support rod 402 supports the connecting plates 401 on both sides and maintains a certain gap.

[0051] In one or more embodiments, a break opening 403 is provided between the connecting plate 401 and the support rod 402, wherein the break opening 403 facilitates the breakage and separation of the support rod 402 and the connecting plate 401.

[0052] It is understood here that in some other embodiments, the fixture 4 may also adopt other structures, which will not be described in detail here.

[0053] When the main bearing 2 fails, the gap between the central shaft 5 and the emergency bearing 3 decreases until they come into contact. At this time, the central shaft 5 drives the emergency bearing 3 to rotate. The emergency bearing 3 drives the connecting plate 401 on one side of the fixed frame 4 to rotate relative to the connecting plate 401 on the other side, causing the support rod 402 to deflect relative to the connecting plate 401, thereby bringing the distance between the two connecting plates 401 closer. This drives the emergency bearing 3 to move relative to the central shaft 5 along the axial direction, so that the conical head 501 and the conical hole 301 come into close contact and form a solid self-locking whole.

[0054] Based on the above-mentioned working method of the series-connected self-sensing automatic emergency bearing, the process is as follows:

[0055] When the main bearing 2 fails, the gap between the central shaft 5 and the emergency bearing 3 decreases until they come into contact. The emergency bearing 3 automatically breaks the fixing frame, so that the central shaft is fixed inside the emergency bearing 3, and the outside of the emergency bearing 3 forms a new bearing support with the bearing base 1.

[0056] Specifically, when the main bearing 2 fails, the gap between the central shaft 5 and the emergency bearing 3 decreases until they come into contact. At this time, the central shaft 5 drives the emergency bearing 3 to rotate. The emergency bearing 3 drives the connecting plate 401 on one side of the fixed frame 4 to rotate relative to the connecting plate 401 on the other side, causing the support rod 402 to deflect relative to the connecting plate 401, thereby bringing the distance between the two connecting plates 401 closer. This drives the emergency bearing 3 to move relative to the central shaft 5 along the axial direction, so that the conical head 501 and the conical hole 301 come into close contact and firmly self-lock to form a whole. A new bearing support is formed between the outer cylindrical surface of the emergency bearing 3 and the bearing base 1.

[0057] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A tandem self-sensing automatic emergency bearing, characterized by, The utility model relates to a bearing base, main bearing, middle shaft, emergency bearing and fixing frame. The main bearing is nested inside the bearing base. One end of the middle shaft is nested inside the main bearing. The emergency bearing is nested in series at one end of the bearing base and cooperates with the middle shaft in clearance. The fixing frame is arranged between the bearing base and the emergency bearing to fix the clearance between the emergency bearing and the middle shaft. When the main bearing fails and the middle shaft and the emergency bearing are in close contact, the emergency bearing automatically breaks the fixing frame, the inside of the emergency bearing fixes the middle shaft, and the outside of the emergency bearing forms a new bearing support with the bearing base. The end of the middle shaft is provided with a conical head, and the inside of the emergency bearing is provided with a conical hole, and the clearance between the middle shaft and the emergency bearing is ensured by adjusting the positional relationship between the conical head and the conical hole. The fixing frame includes a connecting plate and a support rod, the connecting plate is arranged on both sides of the support rod, and the connecting plate is fixedly connected with the side surface of the bearing base and the emergency bearing, respectively, and the support rod supports the connecting plate on both sides to maintain a predetermined gap. After the conical head and the conical hole are in contact, they are locked with each other to form a fixed whole.

2. The tandem self-sensing automatic emergency bearing of claim 1, wherein, The emergency bearing is provided with a fixing seat for mounting the fixing frame.

3. The self-sensing automatic emergency bearing of claim 1, wherein, The fixing seat is provided with a magnetic material to generate an attractive force between the fixing seat and the bearing base.

4. The tandem self-sensing automatic emergency bearing of claim 3, wherein, The support rod is arranged perpendicularly to the connecting plate.

5. The self sensing emergency automatic bearing of claim 1, wherein, A breaking point is arranged between the connecting plate and the support rod.

6. The tandem self-sensing automatic emergency bearing of claim 1, wherein, When the main bearing fails, the clearance between the middle shaft and the emergency bearing decreases until they are in close contact, the emergency bearing automatically breaks the fixing frame, the inside of the emergency bearing fixes the middle shaft, and the outside of the emergency bearing forms a new bearing support with the bearing base.

7. A method of operating a self-sensing emergency automatic bearing as claimed in any one of claims 1 to 6, wherein, When the main bearing fails and the clearance between the middle shaft and the emergency bearing decreases until they are in close contact, the middle shaft drives the emergency bearing to rotate, the emergency bearing drives the connecting plate on one side of the fixing frame to rotate relative to the connecting plate on the other side, the support rod is deflected relative to the connecting plate, the distance between the two connecting plates is shortened, the emergency bearing is driven to move relative to the middle shaft along the axial direction, the conical head and the conical hole are in close contact, and a whole is firmly locked. ​ 8. The method of operating a self-sensing emergency automatic bearing of claim 7, wherein, ​

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