CN213120391U - Special detection tool for detecting axial clearance value of third-generation hub bearing - Google Patents
Special detection tool for detecting axial clearance value of third-generation hub bearing Download PDFInfo
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- CN213120391U CN213120391U CN202022602250.6U CN202022602250U CN213120391U CN 213120391 U CN213120391 U CN 213120391U CN 202022602250 U CN202022602250 U CN 202022602250U CN 213120391 U CN213120391 U CN 213120391U
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- jig
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- bearing
- hub bearing
- dial indicator
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Abstract
The utility model provides a third generation wheel hub bearing axial play value detects special utensil of examining, includes the tool, down the tool, amesdial and supporting component, uses the tool, down the tool, supporting component and wait to detect in the bearing, the cooperation of foreign steamer, can detect third generation wheel hub bearing axial play value at the production site through the amesdial, can realize quick accurate axial play value that detects out third generation wheel hub bearing, simple structure, convenient to use has compensatied the current device cost too high not enough.
Description
Technical Field
The utility model relates to a wheel hub bearing axial play value detects technical field, specifically is a third generation wheel hub bearing axial play value detects special utensil of examining.
Background
The axial clearance has important significance for the service life of the automobile hub bearing, the interference magnitude formed by the reasonable axial clearance can improve the bearing capacity of the hub bearing and provides a reserved amount for the abrasion of the bearing in the using process, so that the service life of the hub bearing is greatly prolonged; however, the excessive play may sharply increase the amount of heat generated during the operation of the bearing, thereby causing the bearing to be damaged quickly. In order to overcome the defects that the axial clearance value of the hub bearing of the third generation can not be quickly and accurately detected and the processing and detection cost is high, a special detection tool for detecting the axial clearance value of the hub bearing of the third generation is required to be designed to solve the problem.
Disclosure of Invention
The utility model aims at providing a third generation wheel hub bearing axial play value detects special utensil of examining, can be quick accurate detect out third generation wheel hub bearing's axial play value, solve current detection device's not enough with high costs.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a special checking fixture for detecting an axial clearance value of a third-generation hub bearing comprises an upper fixture, a lower fixture, a dial indicator and a supporting component; the upper jig is of a cylindrical structure, the lower end face of the upper jig is provided with a counter bore, the lower end face of the upper jig is tightly attached to the upper end face of a flange of an outer wheel of a bearing to be measured, a through hole for sleeving a dial indicator rod is formed in the center of the upper end face of the upper jig, and a threaded through hole for fixing the dial indicator rod through a bolt is formed in the side edge of the upper end of the cylinder of the upper jig; the lower jig is of a cylindrical structure, the lower end face of the lower jig is provided with a groove, the lower jig is arranged in a counter bore arranged on the lower end face of the upper jig, the groove arranged on the lower end face of the lower jig is attached to the upper end face of the inner wheel of the bearing to be tested, and the upper end face of the lower jig is in contact with a dial indicator head fixed by the upper jig; the support component is arranged on the lower end face of the outer wheel flange of the bearing to be detected.
The upper jig, the lower jig and the bearing to be detected are in the same axis.
The diameter of the lower jig is smaller than that of the counter bore of the upper jig.
The external thread of the bolt is matched with the internal thread of the threaded through hole arranged on the side wall of the upper jig.
The dial indicator is a pointer type universal dial indicator.
The supporting component is fixed on the lower end face of the outer wheel flange of the bearing through bolts.
The utility model has the advantages that: the axial clearance value of the third-generation hub bearing can be detected on the production site, rapid and accurate detection can be realized, the structure is simple, the use is convenient, and the defect that the cost of the existing device is too high is overcome.
Drawings
FIG. 1 is a schematic longitudinal sectional view of the present invention;
fig. 2 is a schematic cross-sectional view of an upper jig and a lower jig.
In the figure, 1, an upper jig, 2, a lower jig, 3, a dial indicator, 4, an inner wheel, 5, an outer wheel, 6, bolts, 7 and a supporting component.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the special checking fixture for detecting the axial play value of the third-generation hub bearing comprises an upper fixture 1, a lower fixture 2, a dial indicator 3 and a supporting part 7; the upper jig 1 is of a cylindrical structure, the lower end face of the upper jig is provided with a counter bore, the lower end face of the upper jig is tightly attached to the upper end face of a flange of an outer wheel 5 of a bearing to be measured, a through hole for sleeving a dial indicator 3 gauge rod is formed in the center of the upper end face of the upper jig 1, and a threaded through hole for fixing the dial indicator 3 gauge rod through a bolt 6 is formed in the side edge of a cylinder at the upper end of the upper jig 1; the lower jig 2 is of a cylindrical structure, the lower end face of the lower jig is provided with a groove, the lower jig 2 is arranged in a counter bore arranged in the upper jig 1, the groove arranged on the lower end face of the lower jig 2 is attached to the upper end face of the inner wheel 4 of the bearing to be tested, and the upper end face of the lower jig 2 is in contact with a dial indicator 3 fixed on the upper jig 1; the supporting component 7 is arranged on the lower end face of the flange of the outer wheel 5 of the bearing to be detected. The upper jig 1, the lower jig 2 and the bearing to be detected are in the same axis. The diameter of the lower jig 2 is smaller than that of the counter bore of the upper jig 1. The external thread of the bolt 6 is matched with the internal thread of the threaded through hole arranged on the side wall of the upper jig 1. The dial indicator 3 is a pointer type universal dial indicator.
The utility model discloses when using: the bearing to be detected is placed on a working table surface, the lower end surface of a lower jig is tightly attached to the upper end surface of an inner wheel part of the bearing to be detected, the lower end surface of an upper jig is tightly attached to the upper end surface of a flange of an outer wheel part of the bearing to be detected, a gauge head of a dial indicator penetrates through a central through hole formed in the upper jig, the lower end of the gauge head is contacted with the upper end surface of the lower jig, the dial indicator is adjusted to enable a pointer to be 0, the pressed dial indicator is fixed in the central through hole of the upper jig through bolts, a supporting part arranged on the lower end surface of an outer wheel flange is supported by two hands, the working table surface is supported by the bearing with upward force, when an outer wheel of the bearing is subjected to upward external force, steel balls in the bearing cannot support channels to be subjected to stress, a shaft wheel of the bearing, a lower jig with which the channels of the inner wheel part are in matched contact with the inner wheel all move downward due to self gravity, is the value of the axial play of the bearing.
The part of the utility model not detailed is prior art.
Claims (6)
1. A special checking fixture for detecting the axial clearance value of a third-generation hub bearing comprises an upper fixture (1), a lower fixture (2), a dial indicator (3) and a supporting component (7); the method is characterized in that: the upper jig (1) is of a cylindrical structure, the lower end face of the upper jig is provided with a counter bore, the lower end face of the upper jig is tightly attached to the upper end face of a flange of the outer wheel (5) of the bearing to be tested, a through hole for sleeving a dial indicator (3) gauge rod is formed in the center of the upper end face of the upper jig (1), and a threaded through hole for fixing the dial indicator (3) gauge rod through a bolt (6) is formed in the side edge of the cylindrical upper end of the upper jig (1); the lower jig (2) is of a cylindrical structure, the lower end face of the lower jig is provided with a groove, the lower jig (2) is arranged in a counter bore arranged on the lower end face of the upper jig (1), the groove arranged on the lower end face of the lower jig (2) is attached to the upper end face of the bearing inner wheel (4) to be tested, and the upper end face of the lower jig (2) is in contact with a dial indicator head of a dial indicator (3) fixed by the upper jig (1); the supporting part (7) is arranged on the lower end face of the flange of the outer wheel (5) of the bearing to be detected.
2. The special checking fixture for detecting the third-generation axial play value of the hub bearing, according to claim 1, is characterized in that: the upper jig (1), the lower jig (2) and the bearing to be detected are in the same axis.
3. The special checking fixture for detecting the third-generation axial play value of the hub bearing, according to claim 1, is characterized in that: the diameter of the lower jig (2) is smaller than that of the counter bore arranged on the upper jig (1).
4. The special checking fixture for detecting the third-generation axial play value of the hub bearing, according to claim 1, is characterized in that: the external thread of the bolt (6) is matched with the internal thread of the threaded through hole arranged on the side wall of the upper jig (1).
5. The special checking fixture for detecting the third-generation axial play value of the hub bearing, according to claim 1, is characterized in that: the dial indicator (3) is a pointer type universal dial indicator.
6. The special checking fixture for detecting the third-generation axial play value of the hub bearing, according to claim 1, is characterized in that: the supporting component (7) is fixed on the lower end face of the flange of the bearing outer wheel (5) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602250.6U CN213120391U (en) | 2020-11-12 | 2020-11-12 | Special detection tool for detecting axial clearance value of third-generation hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602250.6U CN213120391U (en) | 2020-11-12 | 2020-11-12 | Special detection tool for detecting axial clearance value of third-generation hub bearing |
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| Publication Number | Publication Date |
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| CN213120391U true CN213120391U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022602250.6U Active CN213120391U (en) | 2020-11-12 | 2020-11-12 | Special detection tool for detecting axial clearance value of third-generation hub bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654454A (en) * | 2021-09-13 | 2021-11-16 | 江西江铃底盘股份有限公司 | Method for measuring and controlling internal bearing clearance of hub mounting structure and application thereof |
-
2020
- 2020-11-12 CN CN202022602250.6U patent/CN213120391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654454A (en) * | 2021-09-13 | 2021-11-16 | 江西江铃底盘股份有限公司 | Method for measuring and controlling internal bearing clearance of hub mounting structure and application thereof |
| CN113654454B (en) * | 2021-09-13 | 2024-04-02 | 江西江铃底盘股份有限公司 | Measuring and controlling method for internal bearing clearance of hub mounting structure and application thereof |
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