Middle and large bearing ring deformation correction tool

Abstract

The utility model discloses a medium and large size bearing ring deformation correction tool, which belongs to the technical field of bearing ring correction, and comprises a support rod and a movable support head, one end of the support rod is connected with a connecting screw rod, the other end of the support rod is connected with a first support end, and the support rod is provided with scale marks. According to the medium and large bearing ring deformation correction tool, the movable supporting head is screwed to enable the second supporting end to abut against the expansion ring until the ring is in a perfect circle state, finally, the locking nut is screwed to the threaded hole end of the movable supporting head to prevent the movable supporting head from loosening, and then the movable supporting head is naturally or heated for a period of time to complete correction. When the movable supporting head is screwed, the indicating plate can move on the scale marks, at the moment, the sum of the size length from the end face of the first supporting end to the end face of the second supporting end in the initial state and the indicating length of the indicating plate is the correction length, a measuring device does not need to be additionally used for measurement and confirmation for many times, and correction operation is simplified.

Description

Technical Field

[0001] This utility model belongs to the field of bearing ring straightening technology, specifically a tooling for straightening deformation of medium and large bearing rings. Background Technology

[0002] Bearings are an important component in mechanical equipment. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during their movement, and ensure their rotational accuracy. During the processing of bearing rings, medium and large bearing rings may undergo shape changes due to thermal stresses such as material microstructure transformation and uneven quenching temperature, the holding force generated during turning, and the tensile stress generated during grinding. The main change is the change in ellipticity in the diameter direction, which can cause the processed parts to be scrapped. Traditional straightening devices usually use telescopic folding mechanisms to expand the rings to complete the straightening. This process requires multiple measurements using measuring devices to confirm the straightening dimensions, making the operation cumbersome. Utility Model Content

[0003] To overcome the above-mentioned defects, this utility model provides a tooling for correcting deformation of medium and large bearing rings. It solves the problem that traditional correction devices usually expand the rings through a telescopic folding mechanism to complete the correction, which requires multiple measurements to confirm the process and is relatively cumbersome to operate.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a tooling for correcting deformation of medium and large bearing rings, comprising a support rod and a movable support head. One end of the support rod is connected to a connecting screw, and the other end of the support rod is connected to a first support end. The support rod is provided with scale lines. A locking nut is threaded onto the connecting screw. A second support end is connected to the movable support head. The movable support head has a threaded hole and an annular groove. A connecting plate is installed in the annular groove. A magnetic plate is connected to the connecting plate. A connecting rod is connected above the connecting plate, and an indicator plate is connected to one end of the connecting rod.

[0005] As a further embodiment of this utility model: multiple mounting slots are provided on the first support end and the second support end, and magnetic blocks are fixedly installed in the mounting slots.

[0006] As a further embodiment of this utility model: the connecting plate, the magnetic plate and the indicator plate are all arc-shaped, the indicator plate is in contact with the support rod wall, and the connecting plate is embedded in the annular groove and in close contact with the groove wall.

[0007] As a further embodiment of this utility model: a metal ring is fitted inside the annular groove, and the metal ring rotates inside the annular groove, and the magnetic plate is attracted to the metal ring.

[0008] As a further embodiment of this utility model: the movable support head is provided with anti-slip texture, and the movable support head is threadedly connected to the connecting screw through a threaded hole.

[0009] As a further embodiment of this utility model: there are six mounting slots and six magnetic blocks on both the first support end and the second support end, and the six mounting slots and magnetic blocks are arranged in a centrally symmetrical manner.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This large and medium-sized bearing ring deformation correction fixture, consisting of a support rod, connecting screw, movable support head, locking nut, indicator plate, and scale lines, is initially placed into the ring, with the first support end in contact with the ring wall. The movable support head is then turned, causing the second support end to press against the ring at a symmetrical position with the first support end. The movable support head is then rotated further, causing the short axis of the ring to expand outwards until the ring is perfectly round. Finally, the locking nut is tightened to the threaded end of the movable support head to prevent it from loosening. The correction is then completed by allowing it to remain in place naturally or with heat for a period of time. While turning the movable support head, the operator holds one side of the connecting rod to prevent rotation. The movement of the movable support head causes the indicator plate to move along the scale lines via the connecting rod. The length between the first and second support end faces in the initial state, plus the length indicated by the indicator plate, is the correction length. This eliminates the need for multiple measurements, simplifying the correction operation.

[0012] 2. This medium and large bearing ring deformation correction fixture, by setting up a magnetic block, annular groove, metal ring and magnetic plate, allows the magnetic block at the end face of the first support to attract the inner wall of the ring during correction, thereby preventing the support rod from accidentally falling off when the movable support head is turned. The attraction of the magnetic plate and metal ring makes it convenient for workers to install and remove the indicator plate. When the movable support head is turned, the rotation of the metal ring in the annular groove prevents the connecting rod from rotating with the movable support head when the worker holds it against one side, so that the indicator plate can move smoothly along the scale line, making it convenient for workers to check the correction length. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the support rod of this utility model;

[0015] Figure 3 This is a schematic diagram of the exploded structure of the movable support head of this utility model;

[0016] Figure 4This is a schematic diagram of the three-dimensional structure of the connecting plate of this utility model;

[0017] In the diagram: 1. Support rod; 2. Movable support head; 3. Connecting screw; 4. First support end; 5. Scale line; 6. Locking nut; 7. Second support end; 8. Threaded hole; 9. Annular groove; 10. Connecting plate; 11. Magnetic plate; 12. Connecting rod; 13. Indicator plate; 14. Mounting groove; 15. Magnetic block; 16. Metal ring; 17. Anti-slip texture. Detailed Implementation

[0018] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0019] like Figure 1-4 As shown, this utility model provides a technical solution: a tooling for correcting deformation of medium and large bearing rings, including a support rod 1 and a movable support head 2. One end of the support rod 1 is connected to a connecting screw 3, and the other end of the support rod 1 is connected to a first support end 4. The support rod 1 is provided with scale lines 5. A locking nut 6 is threaded onto the connecting screw 3. The movable support head 2 is connected to a second support end 7. Multiple mounting grooves 14 are opened on the first support end 4 and the second support end 7. Magnetic blocks 15 are fixedly installed in the mounting grooves 14. Through the magnetic attraction between the magnetic blocks 15 and the bearing rings, it is convenient for workers to place and fix the position of the support rod 1, thereby preventing the support rod 1 from accidentally moving or shifting.

[0020] There are six mounting slots 14 and six magnetic blocks 15 on the first support end 4 and the second support end 7, and the six mounting slots 14 and six magnetic blocks 15 are arranged in a centrally symmetrical manner. By having multiple magnetic blocks 15 jointly attract the collar, the stability of the contact connection between the first support end 4 and the second support end 7 and the collar can be improved, and accidental drop can be prevented.

[0021] The movable support head 2 has a threaded hole 8 and anti-slip texture 17. The movable support head 2 is threaded to the connecting screw 3 through the threaded hole 8. The anti-slip texture 17 on the movable support head 2 can increase the friction, thereby making it easier for the operator to turn the movable support head 2 to move. When both sides of the locking nut 6 simultaneously abut against one end of the threaded hole 8 of the movable support head 2 and the connection between the support rod 1 and the connecting screw 3, the correction device is in its initial state. At this time, the indicator plate 13 is located at the zero mark of the scale line 5.

[0022] The movable support head 2 has an annular groove 9, and a metal ring 16 is fitted inside the annular groove 9. The metal ring 16 rotates inside the annular groove 9. The magnetic plate 11 is attracted to the metal ring 16. Through the attraction connection between the magnetic plate 11 and the metal ring 16, it is convenient for the staff to install the connecting plate 10 into the annular groove 9. The operation is simple and convenient for the staff to install and disassemble the indicator plate 13.

[0023] A connecting plate 10 is installed inside the annular groove 9. A magnetic plate 11 is connected to the connecting plate 10. A connecting rod 12 is connected above the connecting plate 10. One end of the connecting rod 12 is connected to an indicator plate 13. The connecting plate 10, the magnetic plate 11, and the indicator plate 13 are all arc-shaped. The indicator plate 13 contacts the wall of the support rod 1. The connecting plate 10 is embedded in the annular groove 9 and fits against the wall of the annular groove 9. Through the contact between the connecting plate 10 and the wall of the annular groove 9, the annular groove 9 can restrict the connecting plate 10 within the annular groove 9, preventing the connecting plate 10 from moving horizontally. This allows the movable support head 2 to drive the connecting rod 12 and the indicator plate 13 to move through the connecting plate 10.

[0024] The working principle of this utility model is as follows:

[0025] Before correction, tighten the locking nut 6 to the connection between the support rod 1 and the connecting screw 3, and turn the movable support head 2 to make it contact the locking nut 6. This is the initial state of the correction device. At the same time, confirm the overall length. Then, connect the magnetic plate 11 and the metal ring 16 together so that the indicator plate 13 is on the scale line 5. During correction, place the correction fixture in the initial state into the collar to make the first support end 4 contact the collar wall. At this time, the magnetic block 15 will be attracted to the collar. Then, turn the movable support head 2 and simultaneously press it against one side of the connecting rod 12 to prevent the connecting plate 10 and the connecting rod 12 from rotating, so that the second support end 7 presses against the collar. The ring is positioned symmetrically to the first support end 4. Then, the movable support head 2 is rotated to cause the short axis of the ring to expand outward. During this process, the movable support head 2 will drive the connecting rod 12, causing the indicator plate 13 to move along the scale line 5. The operator confirms and checks the length indicated by the indicator plate 13 and adds the distance between the end face of the first support end 4 and the end face of the second support end 7 in the initial state to obtain the correction length. No additional measuring device is needed for measurement. When the ring is in a perfect circle, the indicator plate 13 is removed, and the locking nut 6 is turned to the threaded hole 8 of the movable support head 2 to prevent the movable support head 2 from loosening. Then, it is kept naturally or heated for a period of time to complete the correction.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 utility model based on the specific circumstances.

[0027] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A tooling for correcting deformation of medium and large bearing rings, comprising a support rod (1) and a movable support head (2), characterized in that: One end of the support rod (1) is connected to a connecting screw (3), and the other end of the support rod (1) is connected to a first support end (4). The support rod (1) is provided with a scale line (5). The connecting screw (3) is threaded with a locking nut (6). The movable support head (2) is connected to a second support end (7). The movable support head (2) is provided with a threaded hole (8). The movable support head (2) is provided with an annular groove (9). A connecting plate (10) is installed in the annular groove (9). A magnetic plate (11) is connected to the connecting plate (10). A connecting rod (12) is connected above the connecting plate (10). One end of the connecting rod (12) is connected to an indicator plate (13).

2. The tooling for correcting deformation of medium and large bearing rings according to claim 1, characterized in that: Multiple mounting slots (14) are provided on the first support end (4) and the second support end (7), and a magnetic block (15) is fixedly installed in the mounting slot (14).

3. The tooling for correcting deformation of medium and large bearing rings according to claim 1, characterized in that: The connecting plate (10), magnetic plate (11) and indicator plate (13) are all arc-shaped. The indicator plate (13) is in contact with the wall of the support rod (1). The connecting plate (10) is embedded in the annular groove (9) and is in close contact with the groove wall of the annular groove (9).

4. The tooling for correcting deformation of medium and large bearing rings according to claim 1, characterized in that: A metal ring (16) is fitted inside the annular groove (9), and the metal ring (16) rotates inside the annular groove (9), and the magnetic plate (11) is attracted to the metal ring (16).

5. The tooling for correcting deformation of medium and large bearing rings according to claim 1, characterized in that: The movable support head (2) is provided with anti-slip texture (17), and the movable support head (2) is threadedly connected to the connecting screw (3) through the threaded hole (8).

6. The tooling for correcting deformation of medium and large bearing rings according to claim 2, characterized in that: There are six mounting slots (14) and six magnetic blocks (15) on the first support end (4) and the second support end (7), and the six mounting slots (14) and six magnetic blocks (15) are arranged in a centrally symmetrical manner.

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