CN221685468U - Axial play detection mechanism of wheel set bearing - Google Patents
Axial play detection mechanism of wheel set bearing Download PDFInfo
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- CN221685468U CN221685468U CN202420123971.4U CN202420123971U CN221685468U CN 221685468 U CN221685468 U CN 221685468U CN 202420123971 U CN202420123971 U CN 202420123971U CN 221685468 U CN221685468 U CN 221685468U
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- bearing
- axial play
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- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to the field of wheel set maintenance, in particular to an axial clearance detection mechanism of a wheel set bearing, which comprises a base frame, a clamping mechanism and a measuring mechanism; the clamping mechanism comprises a base, a cross beam and a clamping part; the base is connected to the base frame in a sliding manner; the cross beam is connected with one end of the base; the two clamping parts are connected to the cross beam in a sliding manner; the measuring mechanism is arranged on the base frame; the measuring mechanism comprises a ranging sensor, and the measuring direction of the ranging sensor is aligned with the position between the two clamping parts. According to the utility model, the bearing of the wheel set is clamped by the two clamping parts, and the bearing is driven to move in the axial direction by the movable base; meanwhile, the axial play of the bearing in the process is detected by a distance measuring sensor. The whole process is simple and efficient, the operation is convenient, the result is accurate, and the detection efficiency of the axial clearance of the wheel set bearing can be improved.
Description
Technical Field
The utility model relates to the field of wheel set maintenance, in particular to an axial clearance detection mechanism of a wheel set bearing.
Background
In the freight car wheel pair income link, need carry out bearing fault detection to judge the bearing repair journey according to testing result. The bearing fault detection comprises two parts, namely bearing defect detection and bearing axial clearance detection. At present, the detection of axial clearance of a bearing in a wheel repair and retraction link of a truck segment is basically finished by manpower, and the detection method comprises the following steps:
① Checking by using a clearance gauge, confirming the maximum load part of the rolling bearing, and plugging the clearance gauge between the rolling body forming 180 degrees with the clearance gauge and an outer (inner) ring, wherein the thickness of the clearance gauge with proper tightness is the axial clearance of the bearing.
② Checking by using a dial indicator, firstly zeroing the dial indicator, then jacking up the outer ring of the rolling bearing, and taking the readings of the dial indicator as the axial play of the bearing. However, the force applied to the crow bar cannot be excessive, otherwise the housing is elastically deformed, even if the deformation is small, which also affects the accuracy of the measured axial play.
The existing detection method for the axial clearance of the bearing mainly adopts a manual detection method, has a plurality of defects and is large in error, in addition, the manual detection standard is inconsistent, the detection efficiency is low, and the existing problems are difficult to trace.
Disclosure of utility model
In view of the above, the utility model provides an axial play detection mechanism for a wheel set bearing, which aims to improve the detection efficiency of the axial play of the wheel set bearing, simplify the detection process and facilitate better clamping control of the maintenance quality of the bearing.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The axial clearance detection mechanism of the wheel set bearing comprises a base frame, a clamping mechanism and a measuring mechanism; the clamping mechanism comprises a base, a cross beam and a clamping part; the base is connected to the base frame in a sliding manner; the cross beam is connected with one end of the base; the two clamping parts are connected to the cross beam in a sliding manner; the measuring mechanism is arranged on the base frame; the measuring mechanism comprises a ranging sensor, and the measuring direction of the ranging sensor is aligned with the position between the two clamping parts.
In some embodiments, the grip portion includes a support and a jaw; the upper end of the support is connected with the cross beam in a sliding way; the clamping jaw is mounted on the support.
In some embodiments, the clamping portion further comprises a resilient member; the clamping jaw is hinged to the support; the elastic piece is connected between the upper end of the clamping jaw and the upper end of the support.
In some embodiments, the jaw has a V-shaped groove; the V-shaped grooves of the two clamping jaws are arranged in opposite directions.
In some embodiments, the clamping mechanism further comprises a second linear drive mechanism; the second linear driving mechanism is connected between the two clamping parts and is used for driving the two clamping parts to move in opposite directions or in opposite directions.
In some embodiments, the clamping mechanism further comprises a second linear guide rail; the second linear guide rail is arranged between the cross beam and the clamping part.
In some embodiments, the clamping mechanism further comprises a fixed seat and a first linear drive mechanism; the fixed seat is connected to the base frame; the base is connected to the fixing seat in a sliding manner; the first linear driving mechanism is connected between the fixing seat and the base and is used for driving the base to reciprocate on the fixing seat.
In some embodiments, the clamping mechanism further comprises a first linear guide; the first linear guide rail is arranged between the fixed seat and the base.
In some embodiments, the measurement mechanism further comprises a slip guide and a bracket; the sliding table guide rail is arranged on the base frame; one end of the support is connected to the sliding table of the sliding table guide rail, and the distance measuring sensor is installed at the other end of the support.
In summary, compared with the prior art, the utility model has the following advantages and beneficial effects: according to the utility model, the bearing of the wheel set is clamped by the two clamping parts, and the bearing is driven to move in the axial direction by the movable base; meanwhile, the axial play of the bearing in the process is detected by a distance measuring sensor. The whole process is simple and efficient, the operation is convenient, the result is accurate, and the detection efficiency of the axial clearance of the wheel set bearing can be improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of a main structure of a clamping mechanism in the present utility model.
Fig. 3 is a schematic diagram of an assembly structure of a beam and two clamping portions in the clamping mechanism of the present utility model.
Fig. 4 is a schematic structural view of the measuring mechanism in the present utility model.
The definitions of the various numbers in the figures are: the device comprises a base frame 1, a clamping mechanism 2, a fixing seat 21, a base 22, a first linear driving mechanism 23, a first linear guide 24, a cross beam 25, a second linear guide 26, a second linear driving mechanism 27, a clamping part 28, a support 281, an elastic piece 282, a clamping jaw 283, a measuring mechanism 3, a sliding table guide 31, a bracket 32 and a distance measuring sensor 33.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, etc. terms, if any, are used solely for the purpose of distinguishing between technical features and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
As shown in fig. 1, an axial play detection mechanism of a wheel set bearing according to an embodiment of the present application includes a base frame 1, a clamping mechanism 2, and a measuring mechanism 3. For convenience of description, a space rectangular coordinate system shown in the drawings is introduced to illustrate related structures of the embodiment of the present application, wherein a direction shown by an X axis is a rear direction, a direction shown by a Y axis is a left direction, and a direction shown by a Z axis is an upper direction.
The base frame 1 may be a portal frame or gantry, which includes a cross beam and two uprights, and serves as a supporting and mounting base for the clamping mechanism 2 and the measuring mechanism 3.
As shown in fig. 2, the clamping mechanism 2 mainly includes a base 22, a cross beam 25, and a clamping portion 28. The base 22 is horizontally disposed on the upright of the base frame 1 in the left-right direction, and the base 22 is slidably connected to the upright of the base frame 1 and is freely slidable in the left-right direction on the upright of the base frame 1. The cross member 25 is disposed in the front-rear direction and connected to the right end of the base 22. Two clamping portions 28 are slidably connected to the bottom of the cross beam 25, and the clamping portions 28 can slide freely along the length direction (i.e., the front-rear direction) of the cross beam 25 to clamp the outer ring of the bearing of the wheel set.
The measuring device 3 is also mounted on the base frame 1. The measuring mechanism 3 comprises a distance measuring sensor 33, and the measuring direction of the distance measuring sensor 33 is aligned with the position between the two clamping parts 28.
In the embodiment of the application, the two clamping parts 28 clamp the outer ring of the bearing of the wheel set, and the movable base 22 drives the bearing to move in the axial direction; at the same time, the axial play of the bearing in the process is detected by the distance measuring sensor 33. The whole process is simple and efficient, the operation is convenient, the result is accurate, and the detection efficiency of the axial clearance of the wheel set bearing can be improved. In addition, the corresponding detection data can be stored so as to be convenient for tracing and query verification. In general, the axial play measurement of the bearing can be obtained by performing a push-pull operation on the outer ring of the bearing, obtaining two measurements by the distance measuring sensor 33, and performing a comparative analysis.
As shown in fig. 3, the clamping portion 28 may include a seat 281 and a clamping jaw 283. The upper end of the support 281 is slidably connected to the cross member 25. The clamping jaw 283 may be mounted to a lower end of the holder 281. Here, the stand 281 extends in a substantially arc shape, mainly to increase the distance between the two jaws 283 so that a larger size bearing may be held between the two jaws 283.
For bearings of different dimensions, the clamping portion 28 according to the embodiment of the present application may further include an elastic member 282 in order to clamp the two clamping jaws 283 as much as possible to the center of the bearing. At this time, the clamping jaw 283 may be hinged to the lower end of the holder 281, and the elastic member 282 is connected between the upper end of the clamping jaw 283 and the upper end of the holder 281. The elastic member 282 may be an elastic material such as a spring, a rubber band, etc., and through the elastic member 282, when the two clamping jaws 283 clamp bearings with different sizes, the clamping jaws 283 can automatically rotate around their hinge points under the action of the elastic force of the elastic member 282 to clamp the bearings at the center, so as to ensure stable clamping.
In addition, V-shaped grooves may be formed on the clamping jaw 283, and the V-shaped grooves of the two clamping jaws 283 may be disposed opposite to each other, so as to have a certain guiding and centering effect when clamping the bearing.
As an alternative embodiment, the two clamping portions 28 may be connected by a second linear driving mechanism 27, and the second linear driving mechanism 27 is used to drive the two clamping portions 28 to move towards or away from each other. Here, the second linear driving mechanism 27 may be any of a hydraulic telescopic cylinder, an electric telescopic cylinder, and a pneumatic telescopic cylinder, or may be another mechanism capable of performing linear telescopic operation, for example, a rack-and-pinion mechanism, a screw-nut mechanism, or the like.
In addition, as an alternative embodiment, the beam 25 and the clamping portion 28 may slide relatively along a second linear guide 26.
As shown in fig. 2, the clamping mechanism 2 according to the embodiment of the present application may further include a fixing base 21 and a first linear driving mechanism 23. Wherein, the fixing seat 21 is horizontally arranged along the left-right direction and is fixedly connected to the base frame 1. The base 22 is slidably connected to the fixing base 21. The first linear driving mechanism 23 is connected between the fixing base 21 and the base 22, and the first linear driving mechanism 23 is used for driving the base 22 to reciprocate on the fixing base 21. Similar to the second linear driving mechanism 27, the first linear driving mechanism 23 may be any one of a hydraulic telescopic cylinder, an electric telescopic cylinder, and a pneumatic telescopic cylinder, or may be another mechanism capable of realizing a linear telescopic action, such as a rack-and-pinion mechanism, a screw-nut mechanism, and the like.
Similarly, the fixed seat 21 and the base 22 can also slide relatively through the first linear guide 24.
As shown in fig. 4, the measuring mechanism 3 may further include a slide rail 31 and a bracket 32. The sliding table guide rail 31 is vertically arranged and fixedly installed on the base frame 1. One end (i.e., the left end) of the support 32 is connected to the sliding table of the sliding table guide rail 31, the sliding table guide rail 31 can drive the support 32 to move vertically through the sliding table, and the ranging sensor 33 is mounted at the other end (i.e., the right end) of the support 32. The distance measuring sensor 33 may be a laser distance measuring sensor, and the distance measuring sensor 33 changes its position in the vertical direction through the sliding table guide rail 31 to adapt to measuring bearings of different specifications and sizes. A protective cover can be further installed on the bracket 32 to cover the ranging sensor 33, so as to protect the ranging sensor 33 from being damaged by impact and ensure the detection precision.
In addition, it should be noted that the clamping mechanism 2 and the measuring mechanism 3 may be mounted on both upright posts of the base frame 1, so as to detect the bearings on both sides of the wheel set at the same time.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above-described preferred embodiments should not be construed as limiting the utility model, which is defined in the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (9)
1. The utility model provides an axial play detection mechanism of wheel pair bearing which characterized in that: comprises a base frame (1), a clamping mechanism (2) and a measuring mechanism (3);
the clamping mechanism (2) comprises a base (22), a cross beam (25) and a clamping part (28); the base (22) is connected to the base frame (1) in a sliding manner; the cross beam (25) is connected with one end of the base (22); two clamping parts (28) are connected to the cross beam (25) in a sliding manner;
The measuring mechanism (3) is arranged on the base frame (1); the measuring mechanism (3) comprises a distance measuring sensor (33), and the measuring direction of the distance measuring sensor (33) is aligned with the position between the two clamping parts (28).
2. An axial play detection mechanism for a wheel set bearing as defined in claim 1, wherein: the clamping part (28) comprises a support (281) and a clamping jaw (283); the upper end of the support (281) is in sliding connection with the cross beam (25); the clamping jaw (283) is mounted on the holder (281).
3. An axial play detection mechanism for a wheel set bearing as claimed in claim 2, wherein: the clamping part (28) further comprises an elastic piece (282); the clamping jaw (283) is hinged on the support (281); the elastic piece (282) is connected between the upper end of the clamping jaw (283) and the upper end of the support (281).
4. An axial play detection mechanism for a wheel set bearing as claimed in claim 2, wherein: -said jaw (283) has a V-shaped groove; the V-shaped grooves of the two clamping jaws (283) are arranged in opposite directions.
5. An axial play detection mechanism for a wheel set bearing as defined in claim 1, wherein: the clamping mechanism (2) further comprises a second linear driving mechanism (27); the second linear driving mechanism (27) is connected between the two clamping parts (28), and the second linear driving mechanism (27) is used for driving the two clamping parts (28) to move towards each other or away from each other.
6. The wheel set bearing axial play detection mechanism of claim 5, wherein: the clamping mechanism (2) further comprises a second linear guide rail (26); the second linear guide rail (26) is arranged between the cross beam (25) and the clamping part (28).
7. An axial play detection mechanism for a wheel set bearing as defined in claim 1, wherein: the clamping mechanism (2) further comprises a fixed seat (21) and a first linear driving mechanism (23); the fixed seat (21) is connected to the base frame (1); the base (22) is connected to the fixed seat (21) in a sliding manner; the first linear driving mechanism (23) is connected between the fixed seat (21) and the base (22), and the first linear driving mechanism (23) is used for driving the base (22) to reciprocate on the fixed seat (21).
8. The wheel set bearing axial play detection mechanism of claim 7, wherein: the clamping mechanism (2) further comprises a first linear guide rail (24); the first linear guide rail (24) is arranged between the fixed seat (21) and the base (22).
9. An axial play detection mechanism for a wheel set bearing as defined in claim 1, wherein: the measuring mechanism (3) further comprises a sliding table guide rail (31) and a bracket (32); the sliding table guide rail (31) is arranged on the base frame (1); one end of the support (32) is connected to the sliding table of the sliding table guide rail (31), and the distance measuring sensor (33) is mounted at the other end of the support (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420123971.4U CN221685468U (en) | 2024-01-18 | 2024-01-18 | Axial play detection mechanism of wheel set bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420123971.4U CN221685468U (en) | 2024-01-18 | 2024-01-18 | Axial play detection mechanism of wheel set bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221685468U true CN221685468U (en) | 2024-09-10 |
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ID=92620780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420123971.4U Active CN221685468U (en) | 2024-01-18 | 2024-01-18 | Axial play detection mechanism of wheel set bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221685468U (en) |
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2024
- 2024-01-18 CN CN202420123971.4U patent/CN221685468U/en active Active
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