Bearing inner diameter fixing device
By setting a second clamping structure at the center of the support platform, using the clamping parts of the inflatable clamping component to clamp the inner ring of the bearing, and adjusting the position of the clamping component through the drive structure, the problem of fixing applicability of bearings of different specifications is solved, and the clamping of bearings of different sizes is realized.
Patent Information
- Application Number
- CN202423293825.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing technology, smaller bearings are not easy to fix, resulting in poor applicability of bearings of different sizes. Traditional mechanical clamps are also unable to hold smaller bearings, which is a problem.
A second clamping structure is set at the center of the support platform. The inner ring of the bearing is clamped by an inflatable clamping device. The position of the first clamping structure is adjusted by the drive structure to achieve clamping and fixing of bearings of different sizes.
It achieves universal applicability to clamp bearings of different sizes, solving the problem of difficulty in fixing smaller bearings.
Smart Images
Figure CN223630242U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bearing processing detection equipment, and especially to a bearing inner diameter fixing device. BACKGROUND
[0002] Bearing is one of the core components of mechanical equipment, and its quality has an important influence on the performance of mechanical equipment. Therefore, in the manufacturing process, various parts and finished products of bearings are subjected to various strict tests, such as size detection, defect detection, etc. In recent years, with the rise of machine vision and artificial intelligence technology, more and more detection processes rely on various cameras to perform, such as area array camera, line scanning camera and laser point cloud camera, etc., which is much more convenient than traditional detection methods.
[0003] In the prior art, when detecting bearing parts (inner ring, outer ring) and finished products, the outer diameter surface of the bearing parts needs to be photographed by a camera, so the bearing needs to be fixed first, and the bearing needs to be rotated by 360° when the camera is photographing.
[0004] However, due to the large number of bearing types and sizes, the inner diameters of bearings of different models are different. For this situation, the traditional method is to use a telescopic mechanical clamp to hold, but this method cannot hold bearings with small scales, and does not have wide applicability. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a bearing inner diameter fixing device to alleviate the technical problem that bearings with small sizes are inconvenient to fix in the prior art, and therefore bearings of different specifications and sizes do not have good applicability.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] In a first aspect, the utility model provides a bearing inner diameter fixing device, which comprises a support table, a first clamp structure, a second clamp structure and a driving structure, a containing space is formed in the center of the support table, and the second clamp structure is arranged in the containing space;
[0008] The second clamp structure comprises an inflatable clamping piece, which is used to clamp the outer bearing inner ring after inflation;
[0009] The support table is provided with a plurality of sliding grooves, and one end of each sliding groove is directed to the second clamp structure;
[0010] The first clamp structure is slidably arranged in each sliding groove;
[0011] The driving structure is connected with the support table, and the driving structure is connected with the corresponding first clamp structure respectively, and the driving structure is used to drive the plurality of first clamp structures to move synchronously along the sliding groove body.
[0012] The synchronously moving first clamp structure is used to be clamped in the corresponding bearing inner ring.
[0013] Further, the second clamp structure comprises an inflation member, a connecting head and an inflation clamping member, the inflation member is connected with the support table, and the inflation member is arranged in the accommodation space, and the output end of the inflation member is connected with the inflation clamping member through the connecting head;
[0014] The end of the inflation clamping member away from the connecting head penetrates out of the support table, so as to be connected with the inner ring of the bearing after inflation expansion.
[0015] Further, the support table is provided with a limiting support, the limiting support is arranged directly above the inflation member, and the limiting support is used to limit and support the inflation clamping member after inflation expansion.
[0016] Further, the first clamp structure comprises a sliding block, a fixing member, a clamp assembly and a connecting block, the sliding block is slidingly connected with the sliding groove body, one end of the sliding block is connected with the clamp assembly through the fixing member, and the other end of the sliding block is connected with the driving structure through the connecting block.
[0017] Further, the clamp assembly comprises a clamp and a rubber pad, the clamp is connected with the fixing member, and the clamp is connected with the rubber pad;
[0018] The clamp is used to abut against the inner ring of the bearing through the rubber pad.
[0019] Further, a through groove is arranged in the bottom of the sliding groove body along the extension direction thereof;
[0020] The connecting block penetrates through the through groove and is connected with the driving structure.
[0021] Further, the driving structure comprises a transmission assembly and a driving bevel gear, the driving bevel gear is rotationally connected with the side of the support table away from the sliding groove body;
[0022] The transmission assembly is in gear connection with the driving bevel gear, and the transmission assembly is connected with the connecting block, and the driving bevel gear is used to drive the connecting block to move through the transmission assembly.
[0023] Further, the transmission assembly comprises a lead screw and a bevel gear connected with one end of the lead screw, and the bevel gear is in gear connection with the driving bevel gear.
[0024] The screw rod is threadedly connected with the threaded hole of the connecting block.
[0025] Further, the support table is provided with a first connecting block and a second connecting block, the first connecting block is connected with the end of the screw rod away from the bevel gear;
[0026] The second connecting block is connected with the screw rod, and the second connecting block is arranged at the end of the screw rod close to the bevel gear.
[0027] Further, the center of the driving bevel gear is provided with a connecting part, and the driving bevel gear is used to be connected with an external rotating structure through the connecting part.
[0028] The utility model can realize the following beneficial effects:
[0029] Firstly, the utility model provides a bearing inner diameter fixing device, including support table, first clamp structure, second clamp structure and drive structure, the center of support table is equipped with accommodating space, is equipped with second clamp structure in accommodating space;Second clamp structure includes inflatable clamping piece, and inflatable clamping piece is used to be clamped at the outer bearing inner ring after inflation;Support table is equipped with multiple sliding grooves, and the one end of each sliding groove is all towards second clamp structure;First clamp structure is slidably arranged in each sliding groove;Drive structure is connected with support table, and drive structure is connected with corresponding first clamp structure respectively, and drive structure is used to drive multiple first clamp structures to move along sliding groove synchronously;Synchronous movement's first clamp structure is used to be clamped in the inner ring of corresponding bearing.
[0030] In the utility model, support table is preferably cylindrical structure, and the center of the upper surface of support table is equipped with accommodating space, and the accommodating space is used to accommodate second clamp structure, and second clamp structure includes inflatable clamping piece, and inflatable clamping piece is preferably rubber inflatable piece, and when using, first passes through the inner ring of bearing, and then realizes the clamping of inflatable clamping piece and bearing inner ring through inflation.And the upper surface of support table is provided with multiple sliding grooves, and preferably three sliding grooves, and the one end of three sliding grooves is all towards accommodating space, and the other end is towards the edge of the upper surface of circular support table, and three sliding grooves are equidistantly distributed, and the included angle between adjacent sliding grooves is 120°;And first clamp structure is slidably arranged in three sliding grooves, and drive structure connected with support table is connected with the three first clamp structures respectively, and through the driving action of drive structure, so that three first clamp structures can synchronously slide in corresponding sliding groove, and then realize the synchronous close abutment of three first clamp structures to bearing inner ring along three directions for the bearing with larger inner ring, to realize the clamping fixed effect.
[0031] Compared with the prior art, the bearing inner diameter fixing device provided by the utility model, through setting the second clamp structure at the center of the support table, can realize that the inflation clamping piece can be fixed on the bearing with smaller inner ring by inflating the inflation clamping piece; and correspondingly, the positions of the three first clamp structures are adjusted through the driving structure, so as to realize that the bearing with larger inner ring is clamped and fixed through the three first clamp structures. Thus, the demand of fixing bearings with different sizes is realized, and the device has universal applicability.
[0032] To sum up, the utility model at least alleviates the technical problem that the bearing with smaller size is inconvenient to fix in the prior art, so that the bearing with different sizes does not have good applicability. BRIEF DESCRIPTION OF DRAWINGS
[0033] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.
[0034] Figure 1 The top view structural schematic diagram of the bearing inner diameter fixing device provided by the embodiment of the utility model;
[0035] Figure 2 The bottom view structural schematic diagram of the bearing inner diameter fixing device provided by the embodiment of the utility model;
[0036] Figure 3 The partial structure sectional view schematic diagram of the bearing inner diameter fixing device provided by the embodiment of the utility model.
[0037] Icon: 1-supporting table;11-sliding groove body;111-through groove;12-accommodation space;13-limiting support;14-first connecting block;15-second connecting block;2-first clamp structure;21-sliding block;22-fixing piece;23-clamp assembly;231-clamp;232-rubber pad;24-connecting block;241-thread hole;3-second clamp structure;31-inflatable part;32-connection head;33-inflation clamping piece;4-driving structure;41-transmission assembly;411-screw;412-bevel gear;42-driving bevel gear;421-connection part. DETAILED DESCRIPTION
[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.
[0039] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0040] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0041] In the description of the present application, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.
[0042] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0043] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0044] Some embodiments of the present application will be described in detail with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.
[0045] Embodiment one
[0046] The embodiment provides a bearing inner diameter fixing device, referring to Figure 1 The bearing inner diameter fixing device comprises a support table 1, a first clamp structure 2, a second clamp structure 3 and a driving structure 4, a containing space 12 is formed in the center of the support table 1, and the second clamp structure 3 is arranged in the containing space 12; the second clamp structure 3 comprises an inflatable clamping piece 33, the inflatable clamping piece 33 is used for clamping at an outer connected bearing inner ring after inflation; the support table 1 is provided with a plurality of sliding grooves 11, and one end of each sliding groove 11 is directed to the second clamp structure 3; the first clamp structure 2 is slidably arranged in each sliding groove 11; the driving structure 4 is connected with the support table 1, and the driving structure 4 is connected with the corresponding first clamp structure 2 respectively, and the driving structure 4 is used for driving the plurality of first clamp structures 2 to move synchronously along the sliding grooves 11; the synchronously moving first clamp structure 2 is used for clamping the inner ring of the corresponding bearing.
[0047] The embodiment of the present application at least alleviates the technical problem that the bearing with small size is inconvenient to fix in the prior art, so that the bearing with different specifications and sizes does not have good applicability.
[0048] In the embodiment of the present application, the support table 1 is preferably a cylindrical structure, and a containing space 12 is formed in the center of the upper surface of the support table 1, the containing space 12 is used for containing the second clamp structure 3, the second clamp structure 3 comprises an inflatable clamping piece 33, the inflatable clamping piece 33 is preferably a rubber inflatable piece, and in use, the inflatable clamping piece 33 is first inserted through the inner ring of the bearing, and then the inflatable clamping piece 33 is clamped with the bearing inner ring through inflation. The upper surface of the support table 1 is provided with a plurality of sliding grooves 11, preferably three sliding grooves 11, one end of the three sliding grooves 11 is directed to the containing space, and the other end is directed to the edge of the upper surface of the circular support table 1, the three sliding grooves 11 are equidistantly distributed, and the included angle between adjacent sliding grooves 11 is 120°; the first clamp structure 2 is slidably arranged in the three sliding grooves 11, and the driving structure 4 connected with the support table 1 is connected with the three first clamp structures 2 respectively, and through the driving action of the driving structure 4, the three first clamp structures 2 can synchronously slide in the corresponding sliding grooves 11, so as to realize the synchronous close abutment of the three first clamp structures 2 to the bearing inner ring along three directions, thereby realizing the clamping and fixing effect.
[0049] Compared with the prior art, the bearing inner diameter fixing device provided by the embodiment of the utility model, through setting the second clamp structure 3 at the center of the support table 1, the air inflation of the inflation clamping piece 33 can be realized to be fixed on the bearing with smaller inner ring, and correspondingly, the position of the three first clamp structures 2 is adjusted through the driving structure 4 to realize the clamping and fixing of the bearing with larger inner ring through the three first clamp structures 2. Further, the demand of fixing bearings with different sizes is realized, and the device has universal applicability.
[0050] In the optional implementation of the embodiment, referring to Figure 1 and Figure 3 , the second clamp structure 3 comprises an inflation piece 31, a connecting head 32 and an inflation clamping piece 33, the inflation piece 31 is connected with the support table 1, and the inflation piece 31 is arranged in the accommodating space 12, the output end of the inflation piece 31 is connected with the inflation clamping piece 33 through the connecting head 32; the end of the inflation clamping piece 33 away from the connecting head 32 penetrates out of the support table 1 to be connected with the inner ring of the bearing after inflation expansion.
[0051] Specifically, the inflation piece 31 is arranged in the accommodating space 12, and the inflation piece 31 can be an inflation device, the output end of which is located at the top, that is, the air outlet of the inflation piece 31 is directed to the upper surface of the support table 1, and the output end of the inflation piece 31 is connected with the inflation clamping piece 33 through the connecting head 32, and the inflation clamping piece 33 penetrates out of the accommodating space 12 to realize inflation expansion outside the support table 1.
[0052] Further, referring to Figure 1 , the support table 1 is provided with a limiting support piece 13, the limiting support piece 13 is arranged directly above the inflation piece 31, and the limiting support piece 13 is used for limiting and supporting the inflation clamping piece 33 after inflation expansion.
[0053] Specifically, the limiting support piece 13 is arranged directly above the inflation piece 31, that is, arranged at the top opening end of the accommodating space 12, and the limiting support piece 13 comprises a limiting ring and a support connecting the limiting block with the support table 1, the inflation clamping piece 33 penetrates out of the limiting ring, and the limiting ring is used for limiting and supporting the inflation clamping piece 33 from below after inflation expansion, so as to avoid the inflation clamping piece 33 from tilting.
[0054] In the optional implementation of the embodiment, referring to Figure 1 and Figure 3 , the first clamp structure 2 comprises a sliding block 21, a fixing piece 22, a clamp assembly 23 and a connecting block 24, the sliding block 21 is slidably connected with the sliding groove body 11, one end of the sliding block 21 is connected with the clamp assembly 23 through the fixing piece 22, and the other end of the sliding block 21 is connected with the driving structure 4 through the connecting block 24.
[0055] Specifically, the sliding block 21 is in sliding connection with the sliding groove body 11, and a protruding portion is arranged at the bottom edge of the sliding block 21, and a groove is arranged in the sliding groove body 11, so that the protruding portion of the sliding block 21 is limited to slide in the groove; the top of the sliding block 21 is detachably connected with the fixing piece 22 through a bolt, and the clamp assembly 23 is arranged on the top of the fixing piece 22 in the vertical direction, the clamp assembly 23 is driven to move by moving the sliding block 21, so as to clamp the inner ring of the bearing; and the bottom of the sliding block 21 is provided with a connecting block 24, and the connecting block 24 is connected with the driving structure 4, so that the driving structure 4 drives the connecting block 24 to move, and then drives the sliding block 21 to slide.
[0056] Further, referring to Figure 3 , the clamp assembly 23 comprises a clamp 231 and a rubber pad 232, the clamp 231 is connected with the fixing piece 22, and the clamp 231 is connected with the rubber pad 232; the clamp 231 is used for abutting against the inner ring of the bearing through the rubber pad 232.
[0057] Specifically, the clamp 231 is connected with the fixing piece 22, and the rubber pad 232 is arranged on the side of the clamp 231 facing the inner ring of the bearing, so that when the clamp 231 tightly abuts against the inner ring of the bearing through the rubber pad 232, damage to the inner ring of the bearing is avoided.
[0058] In an optional embodiment of the present embodiment, referring to Figure 1 and Figure 2 , a through groove 111 is arranged at the bottom of the sliding groove body 11 along the extension direction thereof; the connecting block 24 penetrates through the through groove 111 and is connected with the driving structure 4.
[0059] Specifically, the through groove 111 is arranged at the bottom of the sliding groove body 11 along the extension direction thereof, and the connecting block 24 is slidingly arranged in the through groove 111, and the end of the connecting block 24 away from the sliding block 21 penetrates out of the support table 1 and is connected with the driving structure 4.
[0060] Further, referring to Figure 2 , the driving structure 4 comprises a transmission assembly 41 and a driving bevel gear 42, the driving bevel gear 42 is rotatably connected with the surface of the support table 1 away from the sliding groove body 11; the transmission assembly 41 is in gear connection with the driving bevel gear 42, and the transmission assembly 41 is connected with the connecting block 24, and the driving bevel gear 42 is used to drive the connecting block 24 to move through the transmission assembly 41.
[0061] Specifically, the driving bevel gear 42 is rotatably connected with the center of the bottom surface of the support table 1, one end of the transmission assembly 41 is connected with the driving bevel gear 42, and the other end is connected with the connecting block 24; in use, the driving bevel gear 42 is rotated to drive the transmission assembly 41 to rotate, and then drive the connecting block 24 to reciprocate along the extension direction of the transmission assembly 41.
[0062] Further, referring toFigure 2 The transmission assembly 41 comprises a lead screw 411 and a bevel gear 412 connected to one end of the lead screw 411, and the bevel gear 412 is in gear connection with the driving bevel gear 42; the lead screw 411 is in threaded connection with the threaded hole 241 of the connecting block 24.
[0063] Specifically, one end of the lead screw 411 is in gear connection with the driving bevel gear 42 through the bevel gear 412, that is, the driving bevel gear 42 drives the bevel gear 412 to rotate, and then drives the lead screw 411 to rotate; the connecting block 24 is provided with a threaded hole 241, and the threaded hole 241 is in threaded connection with the outer screw of the outer wall of the lead screw 411, so that the lead screw 411 drives the connecting block 24 to move along the lead screw 411 when the lead screw 411 rotates.
[0064] Further, referring to Figure 2 The support table 1 is provided with a first connecting block 14 and a second connecting block 15, the first connecting block 14 is connected to one end of the lead screw 411 away from the bevel gear 412; the second connecting block 15 is connected to the lead screw 411, and the second connecting block 15 is arranged at one end of the lead screw 411 close to the bevel gear 412.
[0065] Specifically, the first connecting block 14 and the second connecting block 15 are both connected to the bottom surface of the support table 1, the first connecting block 14 is connected to the end of the lead screw 411 away from the bevel gear 412, and the second connecting block 15 is connected to one end of the lead screw 411 close to the bevel gear 412, and both are in rotary connection, so as to limit and fix the lead screw 411 relative to the support table 1 from both ends.
[0066] In an optional implementation of the embodiment, referring to Figure 2 The center of the driving bevel gear 42 is provided with a connecting part 421, and the driving bevel gear 42 is connected to an external rotating structure through the connecting part 421.
[0067] Specifically, the center of the driving bevel gear 42 is provided with a connecting part 421, which can be a connecting bolt, etc., for connecting it to an external rotating structure, which can be a rotating motor, so that the driving bevel gear 42 rotates relative to the support table 1 through the rotating motor, thereby driving the three sets of transmission assemblies 41 to rotate synchronously, and thereby driving the three sets of first clamp structures 2 to move synchronously close to or away from the accommodation space 12.
[0068] It needs to be emphasized that when the bearing with large inner ring diameter is fixed, the three groups of first clamp structures 2 are abutted against the inner ring of the bearing and clamped to realize the fixation; and for the bearing with small inner ring diameter, the three groups of first clamp structures 2 are slidably arranged in the sliding groove body 11, so that the three groups of first clamp structures 2 can support the bearing with large minimum circle diameter, at this time, the bearing with small inner ring diameter can be sleeved on the outside of the inflatable clamping piece 33, the inflatable clamping piece 33 is inflated to expand, and then the outer wall of the expanded inflatable clamping piece 33 is abutted against the inner ring wall of the bearing to realize the use effect of fixing the bearing relative to the inflatable clamping piece 33.
[0069] Finally, it should be noted that: each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to. The above embodiments in the specification are used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently. The modification or replacement does not change the essence of the corresponding technical solution, which is still within the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A bearing inner diameter fixing device characterized by, The utility model provides a bearing inner ring clamping device, including support platform (1), first clamp structure (2), second clamp structure (3) and drive structure (4), the center of support platform (1) is equipped with accommodation space (12), be equipped with second clamp structure (3) in accommodation space (12); Second clamp structure (3) including inflation clamping piece (33), the inflation clamping piece (33) is used for clamping at the bearing inner race after inflation, Support platform (1) is equipped with a plurality of sliding grooves (11), and one end of each sliding groove (11) is towards second clamp structure (3); Each sliding groove (11) is slidably provided with first clamp structure (2); Drive structure (4) is connected with support platform (1), and drive structure (4) is respectively connected with corresponding first clamp structure (2), and drive structure (4) is used to drive a plurality of first clamp structure (2) to move along sliding groove (11) synchronously; Synchronous first clamp structure (2) is used for clamping the inner race of corresponding bearing.
2. The bearing inner diameter fixing device according to claim 1, characterized in that, Second clamp structure (3) including inflation piece (31), connecting head (32) and inflation clamping piece (33), inflation piece (31) is connected with support platform (1), and inflation piece (31) is arranged in accommodation space (12), the output end of inflation piece (31) is connected with inflation clamping piece (33) through connecting head (32); The end of inflation clamping piece (33) away from connecting head (32) penetrates through support platform (1) to be connected with the inner race of bearing after inflation expansion.
3. The bearing inner diameter fixing device according to claim 2, characterized in that Support platform (1) is provided with limiting support (13), limiting support (13) is arranged directly above inflation piece (31), and limiting support (13) is used for limiting and supporting inflation clamping piece (33) after inflation expansion.
4. The bearing inner diameter fixation device of claim 1, wherein First clamp structure (2) including sliding block (21), fixed part (22), clamp assembly (23) and connecting block (24), sliding block (21) is slidably connected with sliding groove (11), one end of sliding block (21) is connected with clamp assembly (23) through fixed part (22), and the other end of sliding block (21) is connected with drive structure (4) through connecting block (24).
5. The bearing inner diameter fixing device according to claim 4, wherein Clamp assembly (23) including clamp (231) and rubber pad (232), clamp (231) is connected with fixed part (22), and clamp (231) is connected with rubber pad (232); Clamp (231) is used for abutting with the inner race of bearing through rubber pad (232).
6. The bearing inner diameter fixing device according to claim 4, wherein The bottom of sliding groove (11) is provided with a through groove (111) along its extension direction; Connecting block (24) penetrates through through groove (111) and is connected with drive structure (4).
7. The bearing inner diameter fixation device of claim 6, wherein, The driving structure (4) comprises a transmission assembly (41) and a driving bevel gear (42), and the driving bevel gear (42) is rotationally connected to one side of the support table (1) away from the sliding groove body (11); The transmission assembly (41) is in gear connection with the driving bevel gear (42), and the transmission assembly (41) is connected with the connecting block (24), and the driving bevel gear (42) is used for driving the connecting block (24) to move through the transmission assembly (41).
8. The bearing inner diameter fixation device of claim 7, wherein, The transmission assembly (41) comprises a lead screw (411) and a bevel gear (412) connected to one end of the lead screw (411), and the bevel gear (412) is in gear connection with the driving bevel gear (42); The lead screw (411) is in threaded connection with a threaded hole (241) of the connecting block (24).
9. The bearing inner diameter fixation device of claim 8, wherein, The support table (1) is provided with a first connecting block (14) and a second connecting block (15), the first connecting block (14) is connected to one end of the lead screw (411) away from the bevel gear (412); The second connecting block (15) is connected with the lead screw (411), and the second connecting block (15) is arranged at one end of the lead screw (411) close to the bevel gear (412).
10. The bearing bore fixing device according to any one of claims 7 to 9, characterized in that A connecting portion (421) is arranged at the center of the driving bevel gear (42), and the driving bevel gear (42) is used for being connected with an external rotating structure through the connecting portion (421).