A bearing inner ring runout detection device

Abstract

The present application relates to a bearing inner ring runout detection device, which includes a frame and a dial indicator, wherein both sides of the frame in the width direction are provided with receiving grooves for receiving the bearing outer ring, wherein a radial clamping assembly is arranged in the receiving groove, wherein the frame is provided with a transmission assembly for making the dial indicator abut against the bearing inner ring, wherein the frame is provided with an axial clamping block for abutting against the bearing outer ring; wherein the radial clamping assembly includes a radial clamping plate and a radial elastic member; wherein the receiving groove has an outlet and an inlet, wherein the clamping plate is rotatably connected to the receiving groove near the inlet, and wherein the radial elastic member is used to force the radial clamping plate to clamp against the axial surface of the bearing outer ring. The present application has the effect of improving the bearing detection efficiency.

Description

Technical Field

[0001] The present application relates to the field of bearing detection technology, and in particular to a bearing inner ring runout detection device. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. During the use of bearings, the inner ring of the bearings may experience axial runout. The axial runout of the inner ring of the bearings is one of the major factors affecting the working performance of the bearings. Therefore, during the use of bearings, the inner ring of the bearings needs to be tested for axial runout.

[0003] When testing the axial circular runout of the inner ring of a bearing, it is necessary to fix the outer ring of the bearing and rotate the inner ring of the bearing to detect the axial circular runout of the inner ring of the bearing. However, the steps of the existing fixing method are relatively complicated. The bearing must be taken to a fixed position first, and then the outer ring of the bearing must be fixed. Then the position of the dial indicator must be adjusted so that the dial indicator abuts against the inner ring. Finally, the inner ring is rotated and the error data of the dial indicator is recorded. Each step takes a certain amount of time. If a large number of bearings need to be tested, the detection efficiency is not high. Summary of the invention

[0004] In order to improve bearing detection efficiency, the present application provides a bearing inner ring runout detection device.

[0005] The present application provides a bearing inner ring runout detection device that adopts the following technical solution:

[0006] A bearing inner ring runout detection device comprises a frame and a dial indicator, wherein both sides of the frame in the width direction are provided with receiving grooves for receiving the bearing outer ring, a radial clamping assembly is arranged in the receiving groove, the frame is provided with a transmission assembly for making the dial indicator abut against the bearing inner ring, and the frame is provided with an axial clamping block for abutting against the bearing outer ring; the radial clamping assembly comprises a radial clamping plate and a radial elastic member; the receiving groove has an outlet and an inlet, the clamping plate is rotatably connected to the receiving groove near the inlet, and the radial elastic member is used to force the radial clamping plate to clamp on the axial surface of the bearing outer ring.

[0007] By adopting the above technical solution, the frame can be used to place the bearing, and the receiving groove is used to accommodate the outer ring of the bearing. The radial clamping plate in the receiving groove can initially clamp the outer ring of the bearing. The bearing enters from the entrance, and the staff only needs to push the bearing toward the entrance. The radial clamping plate can gradually clamp the outer ring of the bearing under the action of the radial elastic member. In this way, the bearing can be clamped by pushing it, and there is no need to fix it with a clamp. The operation is simple and convenient. In the process of clamping, the working end of the dial indicator can also abut the axial surface of the inner ring of the bearing under the action of the transmission assembly. There is no need for manual adjustment, which reduces the operating steps and improves the detection efficiency of the bearing.

[0008] Optionally, the transmission assembly includes a transmission plate and a transmission rod, the transmission plate is fixedly connected to the radial clamping plate, a transmission tooth groove is provided on the transmission plate, one end of the transmission rod is connected to the frame for flipping, and the other end is used to install a dial indicator, and a transmission gear meshing with the transmission tooth groove is provided at the connection between the transmission rod and the frame for flipping; the frame is provided with a stop groove, the stop groove is provided with a stop block for fixing the rotation of the transmission rod, and the stop block has a stop tooth groove that can mesh with the transmission gear.

[0009] By adopting the above technical solution, the transmission plate is fixedly connected with the radial clamping plate, so that when the radial clamping plate moves, the transmission plate can also keep moving. Since the transmission tooth groove on the transmission plate is always meshed with the transmission gear, when the transmission plate moves, the transmission gear will also rotate to drive the transmission rod to flip toward the bearing direction. With the flipping of the transmission rod, the dial indicator will move toward the inner ring of the bearing. The dial indicator abuts against the shaft side of the inner ring of the bearing and is in a detection state. In this way, only the bearing needs to be pushed to clamp the bearing and adjust the position of the dial indicator, which is convenient and quick. Then, when the stop block is pushed, the stop tooth groove of the stop block is meshed with the transmission gear to achieve jamming and prevent the transmission rod from rotating. When the transmission rod does not rotate, on the one hand, the dial indicator can be in a stable state, which can improve the accuracy of the detection; on the other hand, after the transmission gear is jammed, the transmission plate will not move. Since the transmission plate is fixedly connected with the radial clamping plate, when the transmission plate does not move, the radial clamping plate is also in a locked state. At this time, pushing the bearing will not cause the bearing to move, reducing the influence of external force on the bearing detection. Ultimately, it can achieve fast clamping, reduce the steps of fixing the bearing, increase the detection efficiency, and quickly fix the dial indicator to improve the detection accuracy.

[0010] Optionally, the transmission rod includes a flip section and an adjustment section, the flip section is hinged to the frame, the flip section is ball-jointed to the adjustment section, the dial indicator is arranged on the adjustment section, and the adjustment section is provided with a rotation groove for adjusting the rotation of the dial indicator.

[0011] By adopting the above technical solution, on the one hand, the flip section can realize the swing of the dial indicator, so that the dial indicator can be close to the bearing direction, and on the other hand, the flip section and the adjustment section are ball-jointed, so that the adjustment section can rotate freely, and then adjust the contact position and tilt angle of the working end of the dial indicator, so as to facilitate the calculation of the error value of the dial indicator, so as to make the detection of the inner ring runout of the bearing more accurate; the dial indicator is inserted into the rotating groove, so that the dial indicator can rotate freely, so that the staff can adjust the dial indicator at different positions, which is convenient for the degree. Thereby improving the detection efficiency.

[0012] Optionally, the frame is provided with the axial clamping groove, the axial clamping block can move in the axial clamping groove, the axial clamping block includes an inclined portion, an abutting portion and a protruding portion, the axial clamping groove has an inclined surface, the inclined portion can slide relative to the inclined surface, the abutting portion is used to abut the shaft side surface of the bearing outer ring, and the protruding portion is exposed from the axial clamping groove. The protruding portion is rotatably connected to a synchronous rod, and the synchronous rod is provided with a driving assembly and a loosening assembly.

[0013] By adopting the above technical solution, the axis clamping groove can provide displacement space for the axial clamping block. By using the inclined surface in the axial clamping groove, the axial clamping block can slide obliquely, so that the abutment of the axial clamping block can clamp and loosen the outer ring of the bearing. When the protrusion is pushed to make the axial clamping block slide in the oblique downward direction, the abutment can abut against the axial side of the outer ring of the bearing to fix the axial direction of the bearing; conversely, when the protrusion is pushed to push the axial clamping block in the oblique downward direction, the abutment will be away from the axial side of the outer ring of the bearing, thereby releasing the fixation of the axial direction of the bearing; the inclined part abuts against the inclined surface, and the axial clamping block is kept stable when sliding through the surface-to-surface contact. The synchronous rod is rotatably connected with the protrusion. On the one hand, when the synchronous rod rotates, the output end of the drive assembly can abut against the inner ring of the bearing, so that the drive assembly can drive the inner ring of the bearing to rotate; on the other hand, pushing the synchronous rod can transmit the thrust to the protrusion to realize the movement of the axis clamping block. The synchronous rod achieves two effects, which can reduce the steps of the user's operation and improve the detection efficiency of the bearing.

[0014] Optionally, the driving assembly includes a driving member and a driving sleeve, the driving member is fixed to the synchronization rod, and the driving sleeve is arranged on the output shaft of the driving member, so that the driving sleeve can abut against the inner ring of the bearing when the synchronization rod rotates.

[0015] By adopting the above technical solution, the driving member is fixedly connected to the synchronization rod. When the synchronization rod rotates, the driving member also rotates, and the driving member can make the driving sleeve rotate; the synchronization rod is rotated to make the driving sleeve abut against the inner ring of the bearing. The rotation of the driving sleeve can drive the inner ring of the bearing to rotate through friction, thereby realizing the detection of the inner ring of the bearing. The driving member is set on the synchronization rod. On the one hand, only the synchronization rod needs to be rotated to make the driving member drive the inner ring of the bearing to rotate, and there is no need to manually actively drive the inner ring of the bearing to rotate; when the detection is completed, only the synchronization rod needs to be rotated to make the driving sleeve away from the inner ring of the bearing, so as to facilitate the removal of the tested bearing. During operation, the staff rotates the synchronization rod with one hand, and directly pushes the bearing with the other hand after releasing the radial clamp to fix the bearing, so that the bearing comes out of the outlet of the receiving groove; it is convenient and quick.

[0016] Optionally, the loosening assembly includes a ratchet and a ratchet plate, the frame is provided with a disengagement groove, the ratchet plate can slide in the disengagement groove, a reset elastic member is provided in the disengagement groove, the reset elastic member is used to force the ratchet on the ratchet plate to engage with the ratchet, the ratchet plate is fixedly provided with a pull rope, one end of the pull rope is fixedly connected to the stop block, the stop groove is provided with a limit block, the limit block is used to limit the movement of the stop block toward the transmission gear direction, and the stop groove is provided with a limit groove for accommodating the limit block.

[0017] By adopting the above technical solution, the ratchet and the ratchet plate can be used to allow the synchronization rod to move while rotating so that the axial clamping block is unlocked; the disengagement groove is used to provide displacement space for the ratchet plate; when the synchronization rod is pushed while holding the synchronization rod, the axial clamping block moves so that the abutment portion abuts against the bearing. At this time, since the ratchet and the ratchet plate are in a disengaged state, the ratchet will push the ratchet plate to move the ratchet plate below the disengagement groove. In this way, when the synchronization rod is pushed and the axial clamping block is clamped, only the synchronization rod will move instead of rotating. At this time, the synchronization rod does not rotate, and the drive member can be translated. When the synchronization rod cannot be pushed, it means that the synchronization rod has pushed the axial clamping block, and the axial clamping block has clamped the axial side of the outer ring of the bearing. At this time, the synchronization rod is then rotated to rotate the driving part, and the ratchet and the ratchet plate continue to be in a disengaged state, allowing the driving sleeve to contact the inner ring of the bearing; thereby driving the inner ring of the bearing to rotate, and the inner ring runout test of the bearing can be performed; by pushing and turning the synchronization rod, the axial locking of the bearing and the driving inner ring rotation can be achieved, which is convenient and fast, and improves the bearing detection efficiency; before testing, first push the stop block to make the stop block mesh with the transmission gear. On the one hand, the dial indicator is in a stable state, and on the other hand, the pull rope is in a relaxed state. Under the action of the reset elastic member, the ratchet plate is pushed to make the ratchet plate mesh with the ratchet wheel. At this time, the rotation of the synchronous rod is fixed, and the synchronous rod can only rotate in one direction. The direction of rotation can only make the drive sleeve further abut against the inner ring of the bearing without moving in the opposite direction, so that the drive sleeve can drive the inner ring of the bearing to rotate in a friction transmission manner, reducing the slipping problem caused by insufficient abutment force; after the detection is completed, the synchronous rod is rotated, on the one hand, the drive sleeve is kept away from the bearing, and on the other hand, when the synchronous rod is rotated, the ratchet wheel will also rotate. Since the ratchet wheel and the ratchet plate are already engaged, the rotation of the ratchet wheel will cause the synchronous rod to move, and the movement of the synchronous rod can make the axial clamping block contact the clamping state; in this way, when the detection is completed, only the synchronous rod needs to be rotated to realize the simultaneous rotation and movement of the synchronous rod, and at the same time, the bearing is relaxed and the drive sleeve is kept away; it is convenient to discharge the bearing after the detection. This improves the efficiency of bearing detection; the limit block can limit the movement of the stop block toward the transmission gear direction, on the one hand, it can keep the pull rope in a tensioned state, so that the ratchet wheel and the ratchet plate are disengaged, and on the other hand, it can prevent the stop tooth groove from engaging with the transmission gear. It facilitates the sliding of the synchronization rod and the rotation of the transmission rod, thereby facilitating the movement of the bearing to the correct position for detection, thereby improving the detection efficiency.

[0018] Optionally, the frame is provided with a pushing groove, in which a first pushing block and a second pushing block are provided, the first pushing block is partially exposed from the pushing groove, and the first pushing block can push the second pushing block so that the second pushing block abuts against the inner ring of the bearing.

[0019] By adopting the above technical solution, the first pushing block and the second pushing block can change the force transmission, so that the horizontal pushing force is converted into a vertical thrust, so that the inner ring of the bearing can be pushed during detection; when it is necessary to detect the gap of the inner ring of the bearing, the first pushing block is pushed, and the first pushing block pushes the second pushing block, so that the second pushing block pushes the inner ring of the bearing to move up and down, and the gap generated by the up and down movement of the inner ring of the bearing relative to the outer ring of the bearing can be detected by a dial indicator, and finally the gap of the inner ring of the bearing can be detected.

[0020] Optionally, the radial clamping plate has an arc-shaped groove, and the curvature of the arc-shaped groove matches the curvature of the bearing outer ring.

[0021] By adopting the above technical solution, the curvature of the arc groove matches the curvature of the outer ring of the bearing. When the bearing is clamped by the arc groove of the radial clamping plate, surface-to-surface contact can be achieved instead of surface-line contact, thereby improving the clamping effect and allowing the bearing to have better stability when clamped by the radial clamping plate.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The radial clamping plate in the accommodating groove can initially clamp the outer ring of the bearing. You only need to push the bearing toward the entrance. The radial clamping plate can gradually clamp the outer ring of the bearing under the action of the radial elastic member. The bearing can be clamped by just pushing it. There is no need to fix it with a clamp. The operation is simple and convenient. In the process of clamping, the working end of the dial indicator can also abut the axial surface of the inner ring of the bearing under the action of the transmission assembly. No manual adjustment is required, which reduces the operating steps and improves the detection efficiency of the bearing.

[0024] 2. When the radial clamping plate moves, the transmission plate also keeps moving; at the same time, the dial indicator abuts against the shaft side of the inner ring of the bearing and is in the detection state; just push the bearing to clamp the bearing and adjust the position of the dial indicator, which is convenient and quick. When the transmission plate does not move, the radial clamping plate is also in a locked state. At this time, pushing the bearing will not move the bearing, reducing the impact of external forces on bearing detection. Ultimately, it can achieve fast clamping, reduce the steps for fixing the bearing, increase detection efficiency, and quickly fix the dial indicator to improve detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of this application.

[0026] Figure 2 It is a partial structural diagram of this application.

[0027] Figure 3 It is a top view of the present application.

[0028] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional three-dimensional structure of AA.

[0029] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0030] Figure 6 yes Figure 3 Schematic diagram of the cross-sectional three-dimensional structure of the middle BB.

[0031] Figure 7 yes Figure 6 Schematic diagram of the enlarged structure at point B in the middle.

[0032] Figure 8 It is a partial structural diagram of the driving component and the loosening component in this application.

[0033] Fig. 9 yes Figure 3 Schematic diagram of the cross-sectional three-dimensional structure of CC.

[0034] Fig.10 yes Fig. 9 Schematic diagram of the enlarged structure at point C in the middle.

[0035] Description of the accompanying drawings: 1. frame; 11. dial indicator; 12. receiving groove; 121. outlet; 122. inlet; 13. inner ring of bearing; 14. outer ring of bearing; 15. supporting foot; 16. supporting platform; 2. radial clamping assembly; 21. radial clamping plate; 211. arc groove; 22. radial elastic member; 3. transmission assembly; 31. transmission plate; 311. transmission tooth groove; 32. transmission rod; 321. transmission gear; 322. flip section; 323. adjustment section; 3231. rotation groove; 324. universal joint; 33. stop Rotating groove; 34, anti-rotation block; 341, anti-rotation tooth groove; 4, axial clamping block; 41, axial clamping groove; 42, inclined portion; 43, abutment portion; 44, protrusion; 45, inclined surface; 46, synchronization rod; 5, driving assembly; 51, driving member; 52, driving sleeve; 6, loosening assembly; 61, ratchet; 62, ratchet plate; 63, disengagement groove; 64, reset elastic member; 65, pull rope; 66, limit block; 67, limit groove; 7, inner ring gap detection assembly; 71, push groove; 72, first push block; 73, second push block. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-10 This application is described in further detail.

[0037] An embodiment of the present application discloses a bearing inner ring runout detection device.

[0038] Reference Figure 1A device for detecting the inner ring runout of a bearing comprises a frame 1, which is concave in the length direction. The bottom of the frame 1 is supported by support feet 15, so that the staff can detect the bearing at a comfortable height. A receiving groove 12 is provided on both sides of the width direction of the frame 1, and the receiving groove 12 is located at the convex positions on both sides of the concave shape; one end of the receiving groove 12 in the length direction is an outlet 121, and the other end is an inlet 122. The receiving groove 12 can be used for the outer ring of the bearing to enter. The bearing enters from the outlet 121 for detection, and then exits from the outlet 121 after the detection. The frame 1 has a support platform 16 at the position of the outlet 121 and the inlet 122 of the receiving groove 12, which can be used to place the bearing before or after detection, so as to facilitate the removal and placement of the bearing. The frame 1 is equipped with a dial indicator 11, which can detect the inner ring runout of the bearing.

[0039] Reference Figure 2 and Figure 3 The receiving groove 12 has a radial clamping assembly 2 inside, and the radial clamping assembly 2 includes a radial clamping plate 21 and a radial elastic member 22. The radial clamping plate 21 is rotatably connected to the frame 1, and the position of the rotatable connection is close to the inlet 122 of the receiving groove 12. The two ends of the radial elastic member 22 are respectively connected to the back side of the radial clamping plate 21 and the inner side wall of the receiving groove 12, and the position where the radial elastic member 22 is connected is closer to the outlet 121 of the receiving groove 12 than the inlet 122 of the receiving groove 12. In this embodiment, the radial elastic member 22 is a spring. The radial clamping plate 21 has an arc groove 211, and the curvature of the arc groove 211 matches the curvature of the bearing outer ring 14, which can facilitate the radial clamping plate 21 to clamp and fix the outer ring of the bearing. The radial clamping plate 21 and the dial indicator 11 are connected via the transmission assembly 3 , so that when the radial clamping plate 21 fixes the bearing, the dial indicator 11 can also move, so that the working end of the dial indicator 11 can abut against the inner ring 13 of the bearing.

[0040] Reference Figure 4 and Figure 5 The transmission assembly 3 includes a transmission plate 31 and a transmission rod 32. The transmission plate 31 is fixedly connected to the radial clamping plate 21. A transmission tooth groove 311 is provided on the transmission plate 31. The transmission rod 32 includes a flip section 322 and an adjustment section 323. One end of the flip section 322 is provided with a transmission gear 321, and the transmission gear 321 is meshed with the transmission tooth groove 311. The other end of the flip section 322 is ball-jointed with the flip section 322 and the adjustment section 323 through a universal joint 324. The dial indicator 11 is installed at one end of the adjustment section 323 away from the flip section 322. The adjustment section 323 has a rotation groove 3231. The adjustment indicator is located on the rotation groove 3231 and can rotate relative to the adjustment section 323. The universal joint 324 in this embodiment is a tight connection, and a certain external force is required to make it rotate, which does not affect the detection quality of the dial indicator 11.

[0041] The frame 1 is provided with a stop groove 33, and the stop groove 33 is provided with a stop block 34 for fixing the rotation of the transmission rod 32. The stop block 34 has a stop tooth groove 341 that can engage with the transmission gear 321. When the bearing needs to be fixed, the stop block 34 is pushed to make the stop tooth groove 341 of the stop block 34 engage with the transmission gear 321 to limit the rotation of the transmission rod 32.

[0042] Reference Figure 6 and Figure 7 The frame 1 is provided with an axial clamping groove 41, in which an axial clamping block 4 for abutting against the outer ring 14 of the bearing is slidably arranged; in this embodiment, there are two axial clamping blocks, which are connected by a synchronization rod 46, on which a driving assembly 5 is arranged, and loosening assemblies 6 are arranged at both ends of the synchronization rod 46.

[0043] Reference Figure 7 and Figure 8 The axial clamping block 4 includes an inclined portion 42, an abutting portion 43 and a protruding portion 44. The axial clamping groove 41 has an inclined surface 45. The inclined portion 42 can abut against the inclined surface 45. The bottom of the abutting portion 43 is horizontal and can be used to abut against the axial side of the bearing outer ring 14. The protruding portion 44 is exposed from the axial clamping groove 41. The synchronization rod 46 is rotatably connected to the protruding portion 44. When the synchronization rod 46 is pushed, the axial clamping block 4 can slide relative to the axial clamping groove 41; when the synchronization rod 46 rotates in one direction, the output end of the driving assembly 5 can abut against the bearing inner ring 13; when the synchronization rod 46 rotates in another direction, the loosening assembly 6 can make the synchronization rod 46 move when rotating, so that the axial clamping block 4 releases the fixation of the bearing.

[0044] The driving assembly 5 includes a driving member 51 and a driving sleeve 52 . The driving member 51 is fixed to the synchronization rod 46 . The driving sleeve 52 is disposed on the output shaft of the driving member 51 . When the synchronization rod 46 rotates, the driving sleeve 52 can abut against the inner ring of the bearing 13 .

[0045] Reference Fig. 9 and Fig.10 The loosening assembly 6 includes a ratchet 61 and a ratchet plate 62. The frame 1 is provided with a disengagement slot 63. The ratchet plate 62 can slide in the disengagement slot 63. A reset elastic member 64 is arranged in the disengagement slot 63. In this embodiment, the reset elastic member 64 is a spring. The reset can push the ratchet plate 62 so that the ratchet teeth on the ratchet plate 62 engage with the ratchet 61. The ratchet plate 62 is fixedly provided with a pull rope 65, one end of which is fixedly connected to the stop block 34. Through the pull rope 65, the movement of the stop block 34 in the stop slot 33 and the movement of the ratchet plate 62 in the disengagement slot 63 are linked.

[0046] Reference Figure 5The stop groove 33 is provided with a limiting groove 67, and a limiting block 66 is arranged in the limiting groove 67 for limiting the movement of the stop block 34 toward the transmission gear 321. When the stop block 34 is abutted by the limiting block 66, the pull rope 65 will pull the ratchet plate 62 to separate the ratchet teeth on the ratchet plate 62 from the ratchet wheel 61.

[0047] The frame 1 is provided with an inner ring gap detection assembly 7, which includes a first push block 72 and a second push block 73. A push groove 71 is provided below the position where the frame 1 is fixed to the bearing. The first push block 72 and the second push block 73 are arranged in the push groove 71. The first push block 72 is partially exposed from the push groove 71. The exposed position allows the staff to push the first push block 72 to push the second push block 73, so that the second push block 73 abuts against the inner ring 13 of the bearing. Then the inner ring 13 of the bearing is pushed upward, and the dial indicator 11 can detect the gap of the inner ring 13 of the bearing moving up and down.

[0048] The implementation principle of this embodiment is as follows: push the bearing to enter from the inlet 122, the radial clamping plate 21 clamps the bearing, push the synchronization rod 46, let the axial clamping block 4 clamp the bearing, then rotate the synchronization rod 46, the drive sleeve 52 abuts against the inner ring 13 of the bearing, then push the stop block 34, make the stop tooth groove 341 mesh with the transmission gear 321, then let the drive sleeve 52 rotate, make the inner ring 13 of the bearing rotate, and check the beating of the inner ring 13 of the bearing on the front side of the dial indicator 11. After the detection is completed, rotate and pull the synchronization rod 46 to make the drive sleeve 52 away from the inner ring 13 of the bearing, and at the same time, the axial clamping block 4 contacts and clamps; push the stop block 34 to make the stop tooth groove 341 of the stop block 34 disengage from the transmission gear 321. Then take the bearing out from the outlet 121.

[0049] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A bearing inner ring runout detection device, characterized in that: The invention comprises a frame (1) and a dial indicator (11), wherein two sides of the frame (1) in the width direction are provided with receiving grooves (12) for receiving a bearing outer ring (14), a radial clamping assembly (2) is arranged in the receiving groove (12), the frame (1) is provided with a transmission assembly (3) for making the dial indicator (11) abut against the bearing inner ring (13), and the frame (1) is provided with an axial clamping block (4) for abutting against the bearing outer ring (14); the radial clamping assembly (2) comprises a radial clamping plate (21) and a radial elastic member (22); the receiving groove (12) has an outlet (121) and an inlet (122), the radial clamping plate (21) is rotatably connected to the receiving groove (12) near the inlet (122), and the radial elastic member (22) is used to force the radial clamping plate (21) to clamp on the axial surface of the bearing outer ring (14); The transmission assembly (3) comprises a transmission plate (31) and a transmission rod (32); the transmission plate (31) is fixedly connected to the radial clamping plate (21); a transmission tooth groove (311) is provided on the transmission plate (31); one end of the transmission rod (32) is connected to the frame (1) in a flipping manner, and the other end is used to mount a dial indicator (11); a transmission gear (321) meshing with the transmission tooth groove (311) is provided at the flipping connection between the transmission rod (32) and the frame (1); the frame (1) is provided with a stop groove (33); the stop groove (33) is provided with a stop block (34) for fixing the rotation of the transmission rod (32); the stop block (34) has a stop tooth groove (341) meshing with the transmission gear (321).

2. A bearing inner ring runout detection device according to claim 1, characterized in that: The transmission rod (32) comprises a flip section (322) and an adjustment section (323); the flip section (322) is hinged to the frame (1); the flip section (322) and the adjustment section (323) are ball-jointed; the dial indicator (11) is arranged on the adjustment section (323); and the adjustment section (323) is provided with a rotation groove (3231) for adjusting the rotation of the dial indicator (11).

3. A bearing inner ring runout detection device according to claim 1, characterized in that: The frame (1) is provided with an axial clamping groove (41), the axial clamping block (4) can move in the axial clamping groove (41), the axial clamping block (4) comprises an inclined portion (42), an abutting portion (43) and a protruding portion (44), the axial clamping groove (41) has an inclined surface (45), the inclined portion (42) can slide relative to the inclined surface (45), the abutting portion (43) is used to abut against the axial side surface of the bearing outer ring (14), and the protruding portion (44) is exposed from the axial clamping groove (41); the protruding portion (44) is rotatably connected to a synchronous rod (46), and the synchronous rod (46) is provided with a driving assembly (5) and a loosening assembly (6).

4. A bearing inner ring runout detection device according to claim 3, characterized in that: The driving assembly (5) comprises a driving member (51) and a driving sleeve (52); the driving member (51) is fixed to the synchronization rod (46); the driving sleeve (52) is arranged on an output shaft of the driving member (51); when the synchronization rod (46) rotates, the driving sleeve (52) can abut against the bearing inner ring (13).

5. A bearing inner ring runout detection device according to claim 3, characterized in that: The loosening assembly (6) comprises a ratchet (61) and a ratchet plate (62); the frame (1) is provided with a disengagement groove (63); the ratchet plate (62) can slide in the disengagement groove (63); a reset elastic member (64) is provided in the disengagement groove (63); the reset elastic member (64) is used to force the ratchet teeth on the ratchet plate (62) to engage with the ratchet (61); a pull rope (65) is fixedly provided on the ratchet plate (62); one end of the pull rope (65) is fixedly connected to the stop block (34); a limit block (66) is provided on the stop groove (33); the limit block (66) is used to limit the movement of the stop block (34) toward the transmission gear (321); and a limit groove (67) is provided on the stop groove (33) for accommodating the limit block (66).

6. A bearing inner ring runout detection device according to any one of claims 1 to 5, characterized in that: The frame (1) is provided with a pushing groove (71), and a first pushing block (72) and a second pushing block (73) are provided in the pushing groove (71); the first pushing block (72) is partially exposed from the pushing groove (71), and the first pushing block (72) can push the second pushing block (73) so that the second pushing block (73) abuts against the inner ring (13) of the bearing.

7. A bearing inner ring runout detection device according to any one of claims 1 to 5, characterized in that: The radial clamping plate (21) has an arc-shaped groove (211), and the curvature of the arc-shaped groove (211) matches the curvature of the bearing outer ring (14).

Images