Bearing outer ring dismounting device and method of using same

Abstract

The application discloses a bearing outer ring dismounting device, which comprises a lifting plate, a top seat, a lifting rod and a shoulder nut, wherein the lifting plate is arranged at the lower part of the top seat, the lifting plate is provided with a plurality of lifting plate holes, the top seat is provided with a plurality of top plate holes, the lifting rod comprises a lifting block and a screw rod, the lifting block is in an elliptical shape, one end of the screw rod is connected to the middle part of the lifting block, and the other end is connected to the shoulder nut, the screw rod is arranged in the lifting plate hole and the top plate hole, the outer diameter of the top seat is larger than that of the lifting plate, the shoulder nut is arranged at the upper part of the top seat, and the lifting block is arranged at the lower part of the lifting plate. The application further discloses a use method of the bearing outer ring dismounting device. The application can effectively dismount the bearing outer ring, improve the work efficiency and avoid damaging the bearing outer ring.

Description

Technical Field

[0001] This invention belongs to the field of bearing technology, specifically, it relates to a bearing outer ring disassembly device and its usage method. Background Technology

[0002] Bearings are essential components in modern machinery. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during movement, and ensure rotational accuracy. Bearings are classified into sliding bearings, spherical plain bearings, and rolling bearings according to their structure. During maintenance, bearings need to be disassembled and cleaned. Often, it is necessary to separate the bearing outer ring from the workpiece. Because the bearing outer ring and the workpiece have an interference fit, separation is difficult, time-consuming, and labor-intensive, and may even damage the workpiece. Summary of the Invention

[0003] The purpose of this invention is to provide a bearing outer ring disassembly device and its usage method, which can effectively disassemble the bearing outer ring, improve work efficiency, and avoid damage to the bearing outer ring.

[0004] To achieve the above objectives, the technical solution used in this invention is: The bearing outer ring disassembly device includes: a lifting plate, a top seat, a lifting rod, and a shoulder nut. The lifting plate is located below the top seat and has multiple lifting plate holes. The top seat has multiple top plate holes. The lifting rod includes a lifting block and a screw. The lifting block is elliptical. One end of the screw is connected to the middle of the lifting block, and the other end is connected to the shoulder nut. The screw is installed in the lifting plate holes and the top plate holes. The outer diameter of the top seat is larger than the outer diameter of the lifting plate. The shoulder nut is located on the upper part of the top seat, and the lifting block is located below the lifting plate.

[0005] Furthermore, the lifting plate is annular or circular, with multiple lifting plate holes evenly distributed on the same circle.

[0006] Furthermore, the top seat includes a top plate and a stiffening plate, the bottom of which is connected to the top of the top plate. The top plate has multiple holes located on the same circle. The top plate is circular or annular, and its outer diameter is larger than that of the lifting plate.

[0007] Furthermore, the stiffeners intersect each other perpendicularly, and through holes are provided at both ends of the stiffeners.

[0008] Furthermore, the lifting block has a lifting block hole in the middle, one side of the screw is a smooth rod with a stepped shaft at the end, and the other side has a threaded section. The stepped shaft is fixedly connected to the lifting block hole, and a shoulder nut is connected to the threaded section.

[0009] Furthermore, the side of the threaded section near the end is provided with a threaded section plane, and the threaded section plane is located on the same side as the long axis side of the lifting block.

[0010] Furthermore, the plane of the threaded section is perpendicular to the lifting block.

[0011] The method of using the bearing outer ring removal device includes: The bearing outer ring disassembly device is lifted and moved as a whole, so that the lifting plate and lifting block are moved into the inner hole of the bearing outer ring, with the lower surface of the lifting plate lower than the lower surface of the bearing outer ring; the screw is rotated, and the lifting block rotates with the screw, and the side of the lifting block moves to the lower part of the bearing outer ring; Rotate the shoulder nut to adjust the distance between the lifting plate and the top plate. Place the jack on the upper surface of the workpiece and operate the jack so that its telescopic end extends and abuts against the bottom of the top plate. Continue to lift the top plate, and the lifting block pulls the outer ring of the bearing upward, so that the outer ring of the bearing separates from the inner hole of the workpiece.

[0012] Preferably, the crane's lifting device uses a wire rope to connect the through hole of the reinforcing plate, and then the bearing outer ring disassembly device is lifted as a whole, and the bearing outer ring is assembled into the inner hole of the workpiece.

[0013] Preferably, the lifting rod is rotated so that the threaded section of the screw faces outward, the lifting block extends beyond the outer circle of the lifting plate, and the side of the lifting block is located below the outer ring of the bearing. The lifting device is then used to lift the bearing outer ring disassembly device as a whole, so that the lifting block contacts the lower surface of the bearing outer ring, and then a jack is placed on the upper surface of the workpiece.

[0014] The technical effects of this invention include: This invention can effectively disassemble the outer ring of a bearing, which can improve work efficiency and avoid damage to the outer ring of the bearing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the bearing outer ring disassembly device in this invention; Figure 2 This is a schematic diagram of the lifting plate in this invention; Figure 3 This is a schematic diagram of the top seat structure in this invention; Figure 4a This is a schematic diagram of the connection between the lifting block and the screw in this invention; Figure 4b This is a schematic diagram of the lifting block in this invention; Figure 5 This is a schematic diagram showing the usage state of the bearing outer ring disassembly device in this invention; Figure 6 yes Figure 5 Cross-sectional view. Detailed Implementation

[0016] The following description fully illustrates specific embodiments of the present invention to enable those skilled in the art to practice and reproduce it. To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present 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 the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0017] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, 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, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0018] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0019] like Figure 1 The diagram shown is a structural schematic of the bearing outer ring disassembly device in this invention.

[0020] The bearing outer ring disassembly device includes: a lifting plate 1, a top seat 2, a lifting rod 3, and a shoulder nut 4. The lifting plate 1 is located below the top seat 2, the lifting rod 3 passes through the lifting plate 1 and the top seat 2, and the shoulder nut 4 is connected to one end of the lifting rod 3.

[0021] like Figure 2 The diagram shown is a structural schematic of the lifting plate 1 in this invention.

[0022] The lifting plate 1 is annular or circular, with multiple lifting plate holes 11 evenly distributed.

[0023] like Figure 3 The diagram shown is a schematic diagram of the top seat 2 in this invention.

[0024] The top seat 2 includes a top plate 21 and a stiffening plate 22. The bottom of the stiffening plate 22 is connected to the top of the top plate 21. The top plate 21 is provided with multiple top plate holes 23 located on the same circumference. The top plate 21 is circular or annular, and its outer diameter is larger than that of the lifting plate 1.

[0025] The stiffening plates 22 intersect each other perpendicularly, and stiffening plate through holes 23 are provided at both ends of the stiffening plates 22.

[0026] The top plate 21 is annular or circular, and multiple top plate holes 23 are evenly distributed on its surface.

[0027] like Figure 4a The diagram shown is a schematic representation of the connection between the lifting block 31 and the screw 32 in this invention; as shown... Figure 4b The diagram shown is a structural schematic of the lifting block 31 in this invention.

[0028] The lifting rod 3 includes a lifting block 31 and a screw 32. The lifting block 31 is elliptical and has a lifting block hole in the middle. One side of the screw 32 is a smooth rod with a stepped shaft at one end, and the other end is provided with a threaded section 33. The side of the threaded section 33 near the end is provided with a threaded section plane, and the threaded section plane is located on the same side as the side of the lifting block 31 with the larger width.

[0029] The stepped shaft is fixedly connected to the lifting block hole of the lifting block 31, and the threaded section plane of the screw 32 is perpendicular to the lifting block 31.

[0030] The screw 32 passes through the lifting plate hole 11 of the lifting plate and the top plate hole 23 of the top plate 21. The lifting block 31 is located below the lifting block hole 34. The threaded section 33 extends above the top plate hole 23. The shoulder nut 4 is located above the top plate 21 and connected to the threaded section 33.

[0031] The distance between the top seat 2 and the lifting plate 1 can be adjusted according to actual needs.

[0032] like Figure 5 The diagram shown is a schematic representation of the bearing outer ring disassembly device in use according to the present invention; as shown... Figure 6 As shown, is Figure 5 Cross-sectional view.

[0033] The method for using the bearing outer ring removal device includes the following steps: Step 1: The crane's lifting equipment uses the steel wire rope to connect the through hole 23 of the reinforcing plate to lift the bearing outer ring disassembly device as a whole; Step 2: Move the bearing outer ring disassembly device to move the lifting plate 1 and lifting block 31 into the inner hole of the bearing outer ring 5, so that the lower surface of the lifting plate 1 is lower than the lower surface of the bearing outer ring 5; The outer ring 5 of the bearing is assembled in the inner hole of the workpiece 6.

[0034] Step 3: Rotate screw 32, and lifting block 31 rotates together with screw 32. The side of lifting block 31 moves to the lower part of bearing outer ring 5. Rotate the lifting rod 3 by 90 degrees. At this time, the threaded section of the screw 32 faces outward, the lifting block 31 extends beyond the outer circle of the lifting plate 1, and the side of the lifting block 31 is located at the lower part of the outer ring 5 of the bearing.

[0035] Step 4: Operate the lifting device to lift the bearing outer ring disassembly device as a whole until the lifting block 31 contacts the lower surface of the bearing outer ring 5; Step 5: Rotate the shoulder nut 4 to adjust the distance between the lifting plate 1 and the top plate 21. Place the jack 7 on the upper surface of the workpiece 6. Operate the jack 7 so that its telescopic end extends and abuts against the bottom of the top plate 21. Continue to lift the top plate 21. The lifting block 31 pulls the outer ring 5 of the bearing upward, so that the outer ring 5 of the bearing separates from the inner hole of the workpiece 6.

[0036] The terminology used in this invention is descriptive and exemplary, not restrictive. Since this invention can be embodied in many forms without departing from the spirit or essence of the technical solution, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A bearing outer ring disassembly device, characterized in that, include: The components include a lifting plate, a top seat, a lifting rod, and a shoulder nut. The lifting plate is located below the top seat and has multiple lifting plate holes. The top seat has multiple top plate holes. The lifting rod includes a lifting block and a screw. The lifting block is elliptical in shape, and one end of the screw is connected to the middle of the lifting block, while the other end is connected to the shoulder nut. The screw is installed in the holes of the lifting plate and the top plate. The outer diameter of the top seat is larger than the outer diameter of the lifting plate. The shoulder nut is located on the upper part of the top seat, and the lifting block is located on the lower part of the lifting plate.

2. The bearing outer ring disassembly device as described in claim 1, characterized in that, The lifting plate is ring-shaped or circular, with multiple lifting plate holes evenly distributed on the same circle.

3. The bearing outer ring disassembly device as described in claim 1, characterized in that, The top seat includes: The top plate and the stiffening plate are connected at the bottom to the top of the top plate. The top plate has multiple holes on the same circle. The top plate is circular or annular, and its outer diameter is larger than that of the lifting plate.

4. The bearing outer ring disassembly device as described in claim 3, characterized in that, The stiffening plates intersect each other perpendicularly, and each stiffening plate has a through hole at both ends.

5. The bearing outer ring disassembly device as described in claim 1, characterized in that, The lifting block has a lifting block hole in the middle. One side of the screw is a smooth rod with a stepped shaft at the end and a threaded section on the other side. The stepped shaft is fixedly connected to the lifting block hole, and a shoulder nut is connected to the threaded section.

6. The bearing outer ring disassembly device as described in claim 5, characterized in that, The threaded section has a threaded section plane on the side near the end, and the threaded section plane is on the same side as the long axis side of the lifting block.

7. The bearing outer ring disassembly device as described in claim 6, characterized in that, The plane of the threaded section is perpendicular to the lifting block.

8. The method of using the bearing outer ring disassembly device as described in any one of claims 1-7, characterized in that, include: The bearing outer ring disassembly device is lifted and moved as a whole, so that the lifting plate and lifting block are moved into the inner hole of the bearing outer ring, with the lower surface of the lifting plate lower than the lower surface of the bearing outer ring; the screw is rotated, and the lifting block rotates with the screw, and the side of the lifting block moves to the lower part of the bearing outer ring; Rotate the shoulder nut to adjust the distance between the lifting plate and the top plate. Place the jack on the upper surface of the workpiece and operate the jack so that its telescopic end extends and abuts against the bottom of the top plate. Continue to lift the top plate, and the lifting block pulls the outer ring of the bearing upward, so that the outer ring of the bearing separates from the inner hole of the workpiece.

9. The method of using the bearing outer ring disassembly device as described in claim 8, characterized in that, The crane's lifting device uses wire ropes to connect the through holes of the reinforcing plates, and then lifts the bearing outer ring disassembly device as a whole, assembling the bearing outer ring into the inner hole of the workpiece.

10. The method of using the bearing outer ring disassembly device as described in claim 8, characterized in that, Rotate the lifting rod so that the threaded section of the screw faces outward, the lifting block extends beyond the outer circle of the lifting plate, and the side of the lifting block is located below the outer ring of the bearing. Use the lifting device to lift the bearing outer ring disassembly device as a whole, so that the lifting block contacts the lower surface of the bearing outer ring, and then place the jack on the upper surface of the workpiece.

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