Bearing fault diagnosis device

By designing a bearing fault diagnosis device with a clamping mechanism, and utilizing the cooperation of a locking block and an elastic block, the problem that existing equipment cannot quickly adapt to bearings of different sizes is solved. This enables rapid replacement and fixing of clamping columns of different specifications, improving testing efficiency and convenience.

CN223955507UActive Publication Date: 2026-02-27TAIYUAN INST OF TECH
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Patent Information

Application Number
CN202520375382.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-27
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing bearing testing equipment cannot quickly adapt to bearings of different sizes, requiring frequent bolt replacement and installation, which is labor-intensive.

Method used

A bearing fault diagnosis device including a clamping mechanism was designed. By using the first clamping component and the second clamping component in cooperation with the locking block and the elastic block, the clamping column of different specifications can be quickly replaced and fixed, which simplifies the bearing installation and disassembly process.

Benefits of technology

It enables rapid adaptation to the testing of bearings of different specifications, simplifies the replacement process, and improves testing efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bearing fault diagnosis device which comprises a magnetic particle flaw detector, a roller device, a spraying device and a clamp mechanism, a detection groove is formed in the top end of the magnetic particle flaw detector, the roller device is arranged at the bottom end of the detection groove, the spraying device is arranged on the side wall of the detection groove, and the clamp mechanism is arranged in the detection groove. The clamp mechanism comprises a first clamping assembly and a second clamping assembly, and a first replacement part and a second replacement part are arranged on the opposite sides of the first clamping assembly and the second clamping assembly correspondingly. By means of the design of the clamp mechanism, the first replacement part and the second replacement part, when the size of a bearing changes, the first clamping block and the second clamping block are pressed respectively, the first clamping rod and the first clamping column are fixedly connected, and the second clamping column and the second clamping rod are fixedly connected; the first clamping column and the second clamping column which are matched in size are used for limiting penetrating of the bearing, and only the first clamping column and the second clamping column need to be replaced in the mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bearing detection equipment field, especially in a kind of bearing fault diagnosis device. BACKGROUND

[0002] Bearing is the important component mainly used to reduce friction coefficient of modern equipment, thus after bearing uses for a period of time, the detection of bearing needs to be carried out, and the fault diagnosis of bearing is carried out.

[0003] Fluorescent magnetic particle flaw detector carries out crack defect detection to the outer wall of bearing by wet magnetic particle method, is inserted in the inside of bearing by clamp, carries out vertical clamping of bearing, with the rotation of rotating roller, bearing is driven to rotate synchronously, then magnetic suspension liquid is sprayed on the outer wall of bearing by magnetic suspension liquid spraying device, to carry out crack observation, but in the operation of bearing clamping, clamp is inserted in the inside of bearing, clamp is rectangular bar, the clamping of bearing is realized by the contact of four edges and corners of clamp and bearing inner wall, clamp and the output end of hydraulic telescopic rod are fixedly connected by bolt, however, bearing size is various, clamp is metal rectangular bar, thus only one kind of bearing can be detected, when multiple bearings need to be detected, clamp and hydraulic telescopic rod need to be separated by rotating bolt, after replacement, bolt installation is also needed, bolt disassembly or installation needs to be rotated multiple times each time, and manpower is wasted. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of bearing fault diagnosis device, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bearing fault diagnosis device, comprising:

[0006] Magnetic particle flaw detector, the top of the magnetic particle flaw detector is provided with detection groove;

[0007] Rotating roller device, the rotating roller device is arranged at the bottom of detection groove, and the rotating roller device is used to drive bearing to rotate;

[0008] Spraying device, the spraying device is arranged on the side wall of detection groove, and the spraying device is used to spray magnetic suspension liquid;

[0009] It further includes clamp mechanism, the clamp mechanism is arranged in the inside of detection groove, and the clamp mechanism is used for the clamping of bearing, and the clamp mechanism includes first clamping assembly and second clamping assembly, and the opposite side of the first clamping assembly and the second clamping assembly is respectively provided with first replacement piece and second replacement piece.

[0010] Preferably, the first clamping assembly includes:

[0011] A first clamping rod is arranged on one side of the detection groove, and the first replacement part is arranged at one end of the first clamping rod;

[0012] A first hydraulic rod is arranged on one side of the magnetic particle flaw detector, and the output end of the first hydraulic rod is fixedly connected to the other end of the first clamping rod;

[0013] A first connecting piece is arranged at one end of the first clamping rod, and the first connecting piece is used for connecting the first clamping rod and the first replacement part.

[0014] Preferably, the first connecting piece comprises:

[0015] A first plug block is arranged at one end of the first clamping rod, and the first plug block is in plug-in connection with the first insertion slot;

[0016] A first clamping block is arranged in the first cavity of the first plug block, and the inner wall of the first cavity is provided with a first through hole, and the inner wall of the first insertion slot is provided with a first locking hole, and the first clamping block is in plug-in connection with the first through hole and the first locking hole;

[0017] A first baffle is arranged at one end of the first clamping block;

[0018] A first elastic block is arranged on the side of the first baffle away from the first clamping block.

[0019] Preferably, the first replacement part comprises a first clamping column, one end of the first clamping column is fixedly connected to one end of the first plug block, and the other end of the first clamping column is fixedly connected with a plug-in column.

[0020] Preferably, the second clamping assembly comprises:

[0021] A second clamping rod is arranged on the other side of the detection groove, and the second replacement part is arranged at one end of the second clamping rod;

[0022] A second hydraulic rod is arranged on the other side of the magnetic particle flaw detector, and the output end of the second hydraulic rod is fixedly connected to the other end of the second clamping rod;

[0023] A second connecting piece is arranged at one end of the second clamping rod, and the second connecting piece is used for connecting the second clamping rod and the second replacement part.

[0024] Preferably, the second connecting piece comprises:

[0025] A second plug block is arranged at one end of the second clamping rod, and the second plug block is in plug-in connection with the second insertion slot;

[0026] Second clamping block, the second insert block is internally provided with a second cavity, a second through hole is formed in the inner wall of the second cavity, and a second locking hole is formed in the inner wall of the second insert slot, the second clamping block is in threaded connection with the second through hole and the second locking hole;

[0027] Second baffle, the second baffle is arranged at one end of the second clamping block;

[0028] Second elastic block, the second elastic block is arranged on the side, away from the second clamping block, of the second baffle.

[0029] Preferably, the second replacement part comprises a second clamping column, one end of the second clamping column is fixedly connected with one end of the second clamping rod, and a guide groove is formed in the other end of the second clamping column.

[0030] The technical effects and advantages of the utility model are as follows:

[0031] The utility model discloses a first replacement part and second replacement part are designed by clamp mechanism, when the size of bearing changes, first clamping rod and second clamping rod can not limit bearing, by pressing first clamping block and second clamping block respectively, first insert block and second insert block can be inserted into the end of first clamping rod and second clamping rod respectively, first clamping rod and first clamping column are fixedly connected, second clamping column and second clamping rod are fixedly connected, so that the size matching first clamping column and second clamping column carry out the threaded limit of bearing, and this mode only needs to replace first clamping column and second clamping column, and the dismounting mode only needs to press first clamping block and second clamping block, which is quick and convenient. DRAWINGS

[0032] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model.

[0033] Figure 2 It is the three-dimensional structure schematic diagram of the first clamp assembly of the utility model.

[0034] Figure 3 It is the three-dimensional structure schematic diagram of the second clamp assembly of the utility model.

[0035] Figure 4 It is the cross section structure schematic diagram of the first clamp assembly of the utility model.

[0036] Figure 5 It is the cross section structure schematic diagram of the second clamp assembly of the utility model.

[0037] In the figure: 1, magnetic particle flaw detector; 2, rotating roller device; 3, spraying device; 4, clamp mechanism; 41, first clamping rod; 42, second clamping rod; 43, first hydraulic rod; 44, second hydraulic rod; 45, first clamping column; 46, second clamping column; 47, insertion column; 5, first connecting piece; 51, first insertion block; 52, first clamping block; 53, first baffle; 54, first elastic block; 6, second connecting piece; 61, second insertion block; 62, second clamping block; 63, second baffle; 64, second elastic block. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0039] The utility model provides a kind of bearing fault diagnosis device as shown in Figures 1-5 As shown in

[0040] Magnetic particle flaw detector 1;

[0041] Rotating roller device 2, the top end of magnetic particle flaw detector 1 is provided with detection groove, rotating roller device 2 is arranged at the bottom end of detection groove, and rotating roller device 2 is used to drive bearing rotation;

[0042] Spraying device 3, spraying device 3 is arranged in the side wall of detection groove, and spraying device 3 is used to spray magnetic suspension;

[0043] Further include clamp mechanism 4, clamp mechanism 4 is arranged in the inside of detection groove, and clamp mechanism 4 is used for the clamping of bearing, and clamp mechanism 4 includes first clamping assembly and second clamping assembly, and the opposite side of first clamping assembly and second clamping assembly is respectively provided with first replacement and second replacement.

[0044] Further, the magnetic particle flaw detector 1, the rotating roller device 2, and the spraying device 3 form the existing CNK-6000 type fluorescent magnetic particle flaw detector. Through the cooperation of the magnetic particle flaw detector 1 and the spraying device 3, the fault diagnosis of the bearing is realized. The first clamp rod 41, the second clamp rod 42, the first hydraulic rod 43, and the second hydraulic rod 44 have the same composition as the clamp of the CNK-6000 type fluorescent magnetic particle flaw detector. Through the extension of the output ends of the first hydraulic rod 43 and the second hydraulic rod 44, the first clamp rod 41 and the second clamp rod 42 are driven to move towards each other or away from each other, so that the opposite ends of the first clamp rod 41 and the second clamp rod 42 are in contact with each other and are inserted into the bearing being detected, so that the edges and corners of the first clamp rod 41 and the second clamp rod 42 are in contact with the inner wall of the bearing, thereby limiting the movement of the bearing. Under the rotation of the rotating roller device 2, the bearing rotates, the spraying device 3 sprays magnetic suspension liquid, and finally the bearing is observed and diagnosed for cracks and other faults through fluorescence. The first clamp rod 41 and the second clamp rod 42 are symmetrically arranged, the first hydraulic rod 43 and the second hydraulic rod 44 are symmetrically arranged, the first clamp rod 41 and the second clamp rod 42 have the same size specifications, and the first hydraulic rod 43 and the second hydraulic rod 44 have the same specifications.

[0045] The first clamping assembly comprises:

[0046] The first clamp rod 41 is arranged on one side of the detection groove, and the first replacement part is arranged at one end of the first clamp rod 41.

[0047] The first hydraulic rod 43 is fixedly connected to the other end of the first clamp rod 41, and the first hydraulic rod 43 is arranged on one side of the magnetic particle flaw detector 1.

[0048] The first connecting piece 5 is arranged at one end of the first clamp rod 41, and the first connecting piece 5 is used for connecting the first clamp rod 41 and the first replacement part.

[0049] The first connecting piece 5 comprises:

[0050] The first plug block 51 is provided with a first insertion slot at one end of the first clamp rod 41, and the first plug block 51 is connected to the first insertion slot.

[0051] The first clamping block 52 is provided with a first cavity in the inside of the first plug block 51, a first through hole is arranged on the inner wall of the first cavity, a first locking hole is arranged on the inner wall of the first insertion slot, and the first clamping block 52 is connected to the first through hole and the first locking hole.

[0052] The first baffle plate 53 is arranged at one end of the first clamping block 52.

[0053] The first elastic block 54 is arranged on the side of the first baffle plate 53 away from the first clamping block 52.

[0054] The first replacement part comprises a first clamping column 45, one end of the first clamping column 45 is fixedly connected with one end of a first plug 51, and the other end of the first clamping column 45 is fixedly connected with a plug column 47.

[0055] Further, the part where the first clamping rod 41 is in contact with the first hydraulic rod 43 is fixedly connected by a bolt, the size of the first clamping column 45 is different from that of the first clamping rod 41, the replacement of the first clamping column 45 of different specifications can be carried out through the first connecting piece 5 to adapt to bearings of different specifications, the part where the first plug 51 is in contact with the first clamping column 45 is fixedly welded, the size of the first plug groove is matched with that of the first plug 51, the sizes of the first through hole and the first locking hole are the same, both are 1.1 times the size of the first clamping block 52, the size of the first baffle 53 is 1.2 times the size of the first through hole, the first elastic block 54 is an elastic rubber block, the first baffle 53 and the first elastic block 54 are both arranged in the first cavity, and the first elastic block 54 is always in a compressed state, when the first clamping column 45 and the first clamping rod 41 are connected, the first clamping block 52 is moved to the first plug 51 by pressing the first clamping block 52 to move in the direction close to the first plug 51, and then the first plug 51 is inserted into the first plug groove, when the first clamping block 52 moves to the position of the first locking hole, the first clamping block 52 is inserted into the first locking hole under the action of the restoring force of the first elastic block 54, thereby realizing the fixed connection of the first clamping column 45 and the first clamping rod 41, the installation or disassembly of the first clamping column 45 is more convenient through the pressing mode of the first clamping block 52, the replacement of the first clamping column 45 of multiple specifications can meet the detection needs of bearings of different specifications, the plug column 47 is arranged at the end of the first clamping column 45 away from the first connecting piece 5, and the plug column 47 is in the shape of a prism.

[0056] The second clamping assembly comprises:

[0057] The second clamping rod 42 is arranged at the other side of the detection groove, and the second replacement part is arranged at one end of the second clamping rod 42.

[0058] The second hydraulic rod 44 is fixedly connected at the other end of the second clamping rod 42, and the second hydraulic rod 44 is arranged at the other side of the magnetic particle flaw detector 1.

[0059] The second connecting piece 6 is arranged at one end of the second clamping rod 42, and is used for connecting the second clamping rod 42 and the second replacement part.

[0060] The second connecting piece 6 comprises:

[0061] The second plug 61 is in plug connection with the second plug groove arranged at one end of the second clamping rod 42.

[0062] The second clamping block 62 is internally provided with a second cavity, the inner wall of the second cavity is provided with a second through hole, the inner wall of the second slot is provided with a second locking hole, and the second clamping block 62 is in penetrating connection with the second through hole and the second locking hole.

[0063] The second baffle 63 is arranged at one end of the second clamping block 62.

[0064] The second elastic block 64 is arranged at a side of the second baffle 63 away from the second clamping block 62.

[0065] The second replacement part comprises a second clamping column 46, one end of the second clamping column 46 is fixedly connected with one end of the second clamping rod 42, and the other end of the second clamping column 46 is provided with a guide slot.

[0066] Further, the composition, size and purpose of the second connecting part 6 are the same as those of the first connecting part 5, and the second connecting part 6 is used for the fixed connection of the second clamping column 46 and the second clamping rod 42, the size of the second clamping column 46 is the same as that of the first clamping column 45, the size of the guide slot is matched with that of the insertion column 47, and when the first clamping column 45 and the second clamping column 46 move, the insertion column 47 is inserted into the guide slot, so that the first clamping column 45 and the second clamping column 46 can be kept horizontal, and meanwhile, it can be ensured that the first clamping column 45 and the second clamping column 46 will not collapse.

[0067] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A bearing fault diagnosis device, comprising: a magnetic particle detector (1), a detection slot is formed in the top end of the magnetic particle detector (1); a rotating roller device (2), the rotating roller device (2) is arranged at the bottom end of the detection slot, and the rotating roller device (2) is used to drive the bearing to rotate; a spraying device (3), the spraying device (3) is arranged on the side wall of the detection slot, and the spraying device (3) is used to spray magnetic suspension; characterized in that a clamp mechanism (4) is further arranged in the inside of the detection slot; the clamp mechanism (4) is used for clamping the bearing, and the clamp mechanism (4) comprises a first clamping assembly and a second clamping assembly, and the opposite sides of the first clamping assembly and the second clamping assembly are respectively provided with a first replacement part and a second replacement part.

2. The bearing fault diagnostic apparatus according to claim 1, characterized by the first clamping assembly comprises: a first clamping rod (41), the first clamping rod (41) is arranged on one side of the detection slot, and the first replacement part is arranged at one end of the first clamping rod (41); a first hydraulic rod (43), an output end of the first hydraulic rod (43) is fixedly connected with the other end of the first clamping rod (41), and the first hydraulic rod (43) is arranged on one side of the magnetic particle detector (1); a first connecting piece (5), the first connecting piece (5) is arranged at one end of the first clamping rod (41), and the first connecting piece (5) is used for connecting the first clamping rod (41) and the first replacement part.

3. The bearing fault diagnostic apparatus according to claim 2, characterized by the first connecting piece (5) comprises: a first plug block (51), a first insertion slot is formed in one end of the first clamping rod (41), and the first plug block (51) is insertedly connected with the first insertion slot; a first clamping block (52), a first cavity is formed in the inside of the first plug block (51), a first through hole is formed in the inner wall of the first cavity, a first locking hole is formed in the inner wall of the first insertion slot, and the first clamping block (52) is insertedly connected with the first through hole and the first locking hole; a first baffle (53), the first baffle (53) is arranged at one end of the first clamping block (52); a first elastic block (54), the first elastic block (54) is arranged on the side, away from the first clamping block (52), of the first baffle (53).

4. The bearing fault diagnostic apparatus according to claim 3, characterized by the first replacement part comprises a first clamping column (45), one end of the first clamping column (45) is fixedly connected with one end of the first plug block (51), and the other end of the first clamping column (45) is fixedly connected with a plug column (47).

5. The bearing fault diagnostic apparatus of claim 1, wherein the second clamping assembly comprises: a second clamping rod (42), the second clamping rod (42) is arranged on the other side of the detection slot, and the second replacement part is arranged at one end of the second clamping rod (42); a second hydraulic rod (44), an output end of the second hydraulic rod (44) is fixedly connected with the other end of the second clamping rod (42), and the second hydraulic rod (44) is arranged on the other side of the magnetic particle detector (1); a second connecting piece (6), the second connecting piece (6) is arranged at one end of the second clamping rod (42), and the second connecting piece (6) is used for connecting the second clamping rod (42) and the second replacement part.

6. The bearing fault diagnostic apparatus of claim 5, wherein the second connecting piece (6) comprises: A second plug block (61) is provided with a second insertion slot at one end of the second clamping rod (42), and the second plug block (61) is connected with the second insertion slot in a penetrating mode; A second clamping block (62) is provided with a second cavity in the inside of the second plug block (61), a second through hole is provided in the inner wall of the second cavity, a second locking hole is provided in the inner wall of the second insertion slot, and the second clamping block (62) is connected with the second through hole and the second locking hole in a penetrating mode; A second baffle (63) is arranged at one end of the second clamping block (62); A second elastic block (64) is arranged on the side of the second baffle (63) away from the second clamping block (62).

7. The bearing fault diagnostic apparatus of claim 6, wherein The second replacement part comprises a second clamping column (46), one end of the second clamping column (46) is fixedly connected with one end of the second clamping rod (42), and the other end of the second clamping column (46) is provided with a guide slot.