Bearing protection device, fiber fixing assembly and motor

Abstract

The utility model relates to a bearing protection device, a fiber fixing assembly and a motor, the bearing protection device is installed on a casing of the motor, the bearing protection device comprises a plurality of cover plates, the cover plates are mutually assembled and connected, the cover plates are provided with a plurality of mounting grooves, and the mounting grooves are arranged on the cross sections of the cover plates. After the two connected cover plates are buckled, the corresponding mounting grooves define a mounting hole; the fiber fixing assembly comprises a plurality of fiber fixers distributed in an array mode, and the fiber fixers are arranged in the mounting grooves. The bearing protection device and the fiber fixing assembly are simple in structure, convenient to install and low in manufacturing cost, and the design that the installation groove penetrates through the cover plate is more convenient for oil cooling in the using process.

Description

Technical Field

[0001] The utility model relates to the field of bearing protection devices, in particular to a bearing protection device, a fiber fixing component and a motor. Background Art

[0002] At present, during the use of motors, bearing protection devices are used to protect the bearings of the motors. The bearing protection devices can effectively control the shaft voltage and bearing current and solve the problem of electrical corrosion of the motor bearings.

[0003] However, most of the existing bearing protection devices have complex structures, cumbersome installation processes, and high manufacturing costs. The prior art (CN 217643069 U) discloses a fiber holder, a bearing electrical corrosion protection conductive ring, and a motor. The fiber holder is installed by a bracket, and a cover plate is fixed on the outside. Its structure is relatively complex, and for the stability of the structure, the cover plate is set to a closed structure, but this will increase the cost of stamping. In addition, the conductive ring needs to be oil-cooled during use, and the closed structure on the outside will affect the effect of oil cooling, and there may also be cooling oil remaining in the cover plate, which is difficult to clean. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the utility model provides a bearing protection device, a fiber fixing component and a motor.

[0005] In order to achieve the above object, the technical solution of the utility model is as follows:

[0006] A bearing protection device comprises a plurality of cover plates, which are assembled and connected to each other. The cover plates are provided with a plurality of mounting grooves, which are opened on the cross sections of the cover plates. When two connected cover plates are buckled together, the corresponding mounting grooves enclose a mounting hole.

[0007] As a preferred technical solution, the connection methods between the cover plates include screw connection, snap connection, welding and riveting.

[0008] As a preferred technical solution, the horizontal cross-section of the cover plate is a rectangle.

[0009] As a preferred technical solution, the horizontal cross-section of the cover plate is fan-shaped.

[0010] As a preferred technical solution, the horizontal cross-section of the cover plate is ring-shaped.

[0011] As a preferred technical solution, the fiber fixing assembly is arranged between the cover plates, and the fiber fixing assembly includes a plurality of fiber fixers distributed in an array, and the fiber fixers are arranged in the mounting grooves, and the shape of the mounting grooves matches the shape of the fiber fixers.

[0012] As a preferred technical solution, the fiber holders are arranged in one or more layers, and a layer of fiber holders is installed between every two connected cover plates.

[0013] As a preferred technical solution, the fiber holder is provided with a fiber hole to accommodate the conductive fiber, a fixing ring is provided on the outer periphery of the fiber holder, a fixing slot matching the fixing ring is provided on the cover plate, and the fixing ring is located in the fixing slot when the fiber holder is installed.

[0014] As a preferred technical solution, an anti-slip ring and a stress groove are further provided on the outer periphery of the fiber holder, and the anti-slip ring is located on the outer side of the cover plate.

[0015] As a preferred technical solution, the cover plate is fixed on the casing of the motor, and the end of the conductive fiber passes through the mounting groove and contacts the shaft of the motor.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) In the bearing protection device and fiber fixing assembly of the utility model, the cover plate adopts an assembly connection fixing method, which has a simple structure and is easy to install. The manufacturing cost is reduced by 30% and the production efficiency is improved by 200%.

[0018] (2) In the bearing protection device and fiber fixing assembly of the utility model, the anti-slip ring of the fiber fixer is placed on the outside of the cover plate, forming a larger gap between the fiber fixer and the adjacent fiber bundles to facilitate oil flow in the vertical direction, thereby improving the oil cooling effect during the use of the device, especially in situations where the amount of oil is large, the oil flow effect can be improved by more than 30%. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the disassembled state of the embodiment 1 of the bearing protection device and the fiber fixing assembly of the utility model;

[0020] Figure 2 This is a schematic diagram of the assembly state of the bearing protection device and the fiber fixing assembly of the embodiment 1 of the utility model;

[0021] Figure 3 It is a schematic diagram of the disassembled state of the embodiment 2 of the bearing protection device and the fiber fixing assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the assembly state of the bearing protection device and the fiber fixing assembly of the second embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the disassembled state of the embodiment 3 of the bearing protection device and the fiber fixing assembly of the utility model;

[0024] Figure 6This is a schematic diagram of the assembly state of the bearing protection device and the fiber fixing assembly of the utility model in Embodiment 3;

[0025] Figure 7 It is a schematic diagram of the disassembled state of the embodiment 4 of the bearing protection device and the fiber fixing assembly of the utility model;

[0026] Figure 8 It is a schematic diagram of the combined state of the embodiment 4 of the bearing protection device and the fiber fixing assembly of the utility model;

[0027] Fig. 9 It is a schematic diagram of the disassembled state of the embodiment 5 of the bearing protection device and the fiber fixing assembly of the utility model;

[0028] Fig.10 This is a schematic diagram of the combined state of the embodiment 5 of the bearing protection device and the fiber fixing assembly of the utility model

[0029] Fig.11 It is a schematic diagram of the disassembled state of the embodiment 6 of the bearing protection device and the fiber fixing assembly of the utility model;

[0030] Fig.12 It is a schematic diagram of the combined state of Example 6 of the bearing protection device and the fiber fixing assembly of the utility model.

[0031] In the figure: 1. Cover plate; 2. Mounting slot; 21. Fixing slot; 3. Fiber holder; 31. Fixing ring; 32. Anti-slip ring. DETAILED DESCRIPTION

[0032] The technical solution of the utility model is further described below in conjunction with a specific implementation method: the cover plates are assembled and connected to each other, and a plurality of mounting grooves are provided on the cover plates. The mounting grooves are opened on the cross-section of the cover plates, and the corresponding mounting grooves enclose a mounting hole when the two connected cover plates are buckled together.

[0033] Example 1

[0034] like Figure 1 and Figure 2 As shown, a bearing protection device is fixed on the motor housing, and the bearing protection device includes two cover plates 1, which are assembled and connected to each other. A plurality of mounting grooves 2 arranged at equal intervals are provided on the surfaces of the two cover plates 1 close to each other, and the mounting grooves 2 are opened on the cross section of the cover plates 1. After the two cover plates 1 are buckled together, they are fixedly connected by screwing, buckling, welding, riveting, etc., and the corresponding mounting grooves 2 enclose a mounting hole.

[0035] In this embodiment, the horizontal cross-section of the cover plate 1 is a rectangle.

[0036] A fiber fixing assembly is provided between the cover plates 1 . The fiber fixing assembly includes a plurality of fiber holders 3 distributed in an array. The fiber holders 3 are arranged in the mounting grooves 2 . The shape of the mounting grooves 2 matches the shape of the fiber holders 3 .

[0037] In this embodiment, the fiber holders 3 are arranged in a layer and are respectively clamped in each mounting hole between the two cover plates 1 .

[0038] The fiber holder 3 is provided with a fiber hole to accommodate the conductive fiber, and a fixing ring 31 is provided on the outer periphery of the fiber holder 3. The lower cover plate 1 is fixed on the housing of the motor, and the end of the conductive fiber passes through the mounting groove 2 to contact the shaft of the motor.

[0039] In this embodiment, the cover plate 1 is further provided with a fixing slot 21 passing through all the installation slots 2 , and the fixing slot 21 matches the shape of the fixing ring 31 . When the fiber holder 3 is installed, the fixing ring 31 is located in the fixing slot 21 .

[0040] In order to fix the conductive fiber, an anti-slip ring 32 is also provided on the outer periphery of the fiber holder 3. In order to reduce the stress generated when punching the fixing ring 31, a stress groove is also provided on the outer periphery of the fiber holder 3. The anti-slip ring 32 is located at the tail of the fiber holder 3, and the stress groove is arranged on both sides of the fixing ring 31. An anti-slip clamping position matching the anti-slip ring 32 is provided at the end of the mounting groove 2 away from the motor to fix the anti-slip ring 32. The anti-slip ring 32 is located on the outer side of the cover plate, so that a larger gap is formed between adjacent fiber bundles, so as to facilitate oil passing in the vertical direction, thereby improving the oil cooling effect during the use of the device.

[0041] Example 2

[0042] like Figure 3 and Figure 4 As shown, in this embodiment, the bearing protection device includes three cover plates 1, and two adjacent cover plates 1 are assembled and connected to each other. The lower side of the upper cover plate 1, the upper and lower sides of the middle cover plate 1, and the upper side of the lower cover plate 1 are all provided with a plurality of mounting grooves 2 arranged at equal intervals. The three cover plates 1 are fixedly connected after being buckled together, and the corresponding mounting grooves 2 on the two adjacent cover plates 1 enclose a mounting hole, and the mounting grooves 2 are opened on the cross section of the cover plate 1.

[0043] In this embodiment, the horizontal cross-section of the cover plate 1 is a rectangle.

[0044] In this embodiment, the fiber holders 3 are arranged in two layers, and one layer of fiber holders is installed between every two connected cover plates 1. The number of layers of fiber holders 3 and the number of cover plates 1 may also be increased according to actual needs.

[0045] In this embodiment, the installation method and structure of the fiber holder 3 are consistent with those in the first embodiment.

[0046] Example 3

[0047] like Figure 5 and Figure 6 As shown, in this embodiment, the bearing protection device is fixed on the motor housing, and includes two cover plates 1. The two cover plates 1 are assembled and connected to each other. A plurality of evenly distributed mounting grooves 2 are provided on the surfaces of the two cover plates 1 close to each other. The two cover plates 1 are fixedly connected after being buckled together, and the corresponding mounting grooves 2 enclose a mounting hole. The mounting grooves 2 are opened on the cross section of the cover plates 1.

[0048] In this embodiment, the horizontal cross-section of the cover plate 1 is fan-shaped. When installing the bearing protection device, the center of the fan-shaped cover plate 1 coincides with the position of the motor shaft, and the installation groove 2 is arranged around the center of the fan-shaped cover plate 1.

[0049] In this embodiment, the fiber holders 3 are arranged in one layer.

[0050] The manner in which the fiber holder 3 is installed in the installation groove 2 and the structure of the fiber holder 3 are consistent with those in the first embodiment.

[0051] Example 4

[0052] like Figure 7 and Figure 8 As shown, in this embodiment, there are three cover plates 1, and two adjacent cover plates 1 are assembled and connected to each other. The lower side of the upper cover plate 1, the upper and lower sides of the middle cover plate 1, and the upper side of the lower cover plate 1 are all provided with a number of evenly arranged mounting grooves 2. The three cover plates 1 are fixedly connected after being buckled together, and the corresponding mounting grooves 2 on the two adjacent cover plates 1 enclose a mounting hole, and the mounting grooves 2 are opened on the cross section of the cover plate 1.

[0053] In this embodiment, the horizontal cross-section of the cover plate 1 is fan-shaped. When the bearing protection device is installed, the center of the fan-shaped cover plate 1 coincides with the position of the motor shaft. The lower cover plate 1 is fixed on the motor housing, and the mounting grooves 2 are evenly arranged around the center of the fan-shaped cover plate 1.

[0054] In this embodiment, the fiber holders 3 are arranged in two layers.

[0055] The installation method of the fiber holder 3 in the installation groove 2 and the structure of the fiber holder 3 are consistent with those in the second embodiment.

[0056] Example 5

[0057] like Fig. 9 and Fig.10As shown, in this embodiment, the bearing protection device includes two cover plates 1, which are assembled and connected to each other, and a plurality of circumferentially evenly arranged mounting grooves 2 are provided on the surfaces of the two cover plates 1 close to each other, and the two cover plates 1 are fastened and fixedly connected by bolts or rivets, and the corresponding mounting grooves 2 enclose a mounting hole, and the mounting grooves 2 are provided on the cross section of the cover plates 1. The cover plates 1 can also be designed with the same structure and then assembled.

[0058] In this embodiment, the horizontal cross-section of the cover plate 1 is annular. The center of the annular cover plate 1 is coaxially arranged with the motor shaft, the cover plate 1 is sleeved on the motor shaft, and is fixedly connected to the motor housing. The mounting grooves 2 are evenly arranged around the center of the annular cover plate 1.

[0059] In this embodiment, the fiber holders 3 are arranged in one layer.

[0060] The installation method and structure of the fiber holder 3 are consistent with those in the first embodiment.

[0061] Example 6

[0062] like Fig.11 and Fig.12 As shown, in this embodiment, there are three cover plates 1, and two adjacent cover plates 1 are assembled and connected to each other. A plurality of mounting grooves 2 are provided on the lower side of the upper cover plate 1, the upper and lower sides of the middle cover plate 1, and the upper side of the lower cover plate 1. The three cover plates 1 are fastened together and fixedly connected by bolts or rivets. The corresponding mounting grooves 2 on the two adjacent cover plates 1 enclose a mounting hole, and the mounting grooves 2 are provided on the cross section of the cover plate 1.

[0063] In this embodiment, the horizontal cross-section of the cover plate 1 is annular, and the center of the annular cover plate 1 is coaxially arranged with the motor shaft. The cover plate 1 is sleeved on the motor shaft, and the lower cover plate 1 is fixed on the motor housing. The mounting grooves 2 are evenly arranged around the center of the annular cover plate 1.

[0064] The fiber holders 3 are arranged in two layers.

[0065] The installation method and structure of the fiber holder 3 are consistent with those in the second embodiment.

[0066] This embodiment is only a further explanation of the present invention, not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed, but as long as it is within the scope of the claims of the present invention, it will be protected by the patent law.

Claims

1. A bearing protection device, characterized in that: It comprises a plurality of cover plates, which are assembled and connected with each other. The cover plates are provided with a plurality of mounting grooves, which are opened on the cross section of the cover plates. When two connected cover plates are buckled together, the corresponding mounting grooves enclose a mounting hole.

2. The bearing protection device according to claim 1, characterized in that: The connection methods between the cover plates include screw connection, buckle connection, welding and riveting.

3. The bearing protection device according to claim 1, characterized in that: The horizontal cross-section of the cover plate is a rectangle.

4. The bearing protection device according to claim 1, characterized in that: The horizontal cross-section of the cover plate is fan-shaped.

5. The bearing protection device according to claim 1, characterized in that: The horizontal cross-section of the cover plate is in the shape of a ring.

6. A fiber fixing assembly, characterized in that: The bearing protection device according to any one of claims 1 to 5 is adopted, wherein the fiber fixing assembly is arranged between the cover plates, the fiber fixing assembly includes a plurality of fiber fixers distributed in an array, the fiber fixers are arranged in the mounting groove, and the shape of the mounting groove matches the shape of the fiber fixer.

7. The fiber fixing assembly according to claim 6, characterized in that: The fiber holders are arranged in one or more layers, and a layer of fiber holders is installed between every two connected cover plates.

8. The fiber fixing assembly according to claim 6, characterized in that: The fiber holder is provided with a fiber hole to accommodate the conductive fiber, the outer periphery of the fiber holder is provided with a fixing ring, the cover plate is provided with a fixing slot matching the fixing ring, and the fixing ring is located in the fixing slot when the fiber holder is installed.

9. The fiber fixing assembly according to claim 8, characterized in that: An anti-slip ring and a stress groove are also provided on the outer periphery of the fiber fixer, and the anti-slip ring is located outside the cover plate.

10. A motor, characterized in that: The fiber fixing assembly according to any one of claims 6 to 9 is adopted, wherein the cover plate is fixed on the casing of the motor, and the end of the conductive fiber passes through the mounting groove and contacts the shaft of the motor.

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