CN216012084U - Detection tool for detecting symmetry degree of bearing outer ring notch - Google Patents
Detection tool for detecting symmetry degree of bearing outer ring notch Download PDFInfo
- Publication number
- CN216012084U CN216012084U CN202121891884.6U CN202121891884U CN216012084U CN 216012084 U CN216012084 U CN 216012084U CN 202121891884 U CN202121891884 U CN 202121891884U CN 216012084 U CN216012084 U CN 216012084U
- Authority
- CN
- China
- Prior art keywords
- outer ring
- outer diameter
- notch
- bearing outer
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a detection tool for detecting the symmetry degree of a notch of a bearing outer ring, which relates to the field of bearing outer ring detection and comprises a dial indicator and the like, wherein notches are symmetrically formed in two sides of the outer diameter of a bearing outer ring, two outer diameter limiting blocks are symmetrically arranged on the surface of a measuring workbench, and a positioning block is arranged on one side of each outer diameter limiting block, which is close to the other outer diameter limiting block; the bearing outer ring is horizontally placed on the surface of the measuring workbench and can only move along the direction vertical to the connecting line between the two outer diameter limiting blocks; the dial indicator is fixed on the measuring workbench, a measuring head of the dial indicator is perpendicular to a connecting line between the two outer diameter limiting blocks, and the measuring head is in contact fit with the outer diameter of the bearing outer ring and used for measuring the moving distance of the bearing outer ring. The utility model has the beneficial effects that: the measurement operation is simple; the symmetry degree of the outer ring notch can be accurately and quickly measured, and the product complete inspection is realized; simple structure and low manufacturing cost.
Description
Technical Field
The utility model relates to the field of bearing outer ring detection, in particular to a detection tool for detecting the symmetry degree of a bearing outer ring notch.
Background
At present, the symmetry degree of a gap of an outer ring of a bearing is mainly measured by adopting a three-coordinate measuring instrument and utilizing a three-coordinate measuring principle to take a point on the outer ring to determine a central point of a cross section, and the symmetry degree of the gap is determined by measuring the distance from the gap to the central point. However, this measurement method is complicated to operate and takes much time to detect; in addition, due to the high price of the coordinate measuring machine, the purchase of the coordinate measuring machine will greatly increase the production and measurement costs of small-scale enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the detection tool for detecting the symmetry degree of the bearing outer ring notch, which can accurately, quickly and simply measure the symmetry degree of the bearing outer ring notch; simple structure, easy operation detects.
The purpose of the utility model is achieved by the following technical scheme: a detection tool for detecting the symmetry degree of a gap of a bearing outer ring comprises a dial indicator, the bearing outer ring, outer diameter limiting blocks, a measuring workbench and positioning blocks, wherein gaps are symmetrically formed in two sides of the outer diameter of the bearing outer ring, the two outer diameter limiting blocks are symmetrically arranged on the surface of the measuring workbench, one side, close to the other outer diameter limiting block, of each outer diameter limiting block is provided with a positioning block, a connecting line between the two outer diameter limiting blocks is collinear with a connecting line between the two positioning blocks, and the outer diameter limiting blocks are detachably mounted on the measuring workbench; the bearing outer ring is horizontally placed on the surface of the measuring workbench, so that the two positioning blocks are respectively positioned in the corresponding gaps, and the two outer diameter limiting blocks respectively abut against the corresponding gaps, so that the bearing outer ring can only move along the direction vertical to the connecting line between the two outer diameter limiting blocks; the dial indicator is fixed on the measuring workbench, a measuring head of the dial indicator is perpendicular to a connecting line between the two outer diameter limiting blocks, and the measuring head is in contact fit with the outer diameter of the bearing outer ring and used for measuring the moving distance of the bearing outer ring.
As a further technical scheme, the dial indicator is fixedly arranged at the top of the measuring workbench through a fixing device.
As a further technical scheme, the upper edge of the notch on the left side of the bearing outer ring is a notch upper edge B, and the upper edge of the notch on the right side is a notch upper edge A; the lower edge of the bearing outer ring left side gap is a gap lower edge C, and the lower edge of the right side gap is a gap lower edge D.
As a further technical scheme, a kidney-shaped hole is formed in the outer diameter limiting block, and a fixing bolt penetrates through the kidney-shaped hole to fix the outer diameter limiting block on the measuring workbench; and changing the fixed position of the fixing bolt on the kidney-shaped hole according to the outer diameter of the bearing outer ring, thereby adjusting the distance between the two outer diameter limiting blocks.
As a further technical scheme, a cushion block is arranged on the back of the measuring workbench.
As a further technical scheme, the measuring direction of the measuring head is collinear with the circle center of the bearing outer ring.
The utility model has the beneficial effects that:
1. the utility model has simple measurement operation;
2. the utility model can accurately and rapidly measure the symmetry degree of the outer ring gap, and complete product inspection is realized;
3. the utility model has simple structure and lower manufacturing cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the structure of the present invention during measurement.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic structural view of an outer diameter limiting block and a notch during measurement.
FIG. 5 is a cross-sectional view of the bearing cup.
Description of reference numerals: the device comprises a dial indicator 1, a fixing device 1-1, a bearing outer ring 2, an outer diameter limiting block 3, a kidney-shaped hole 3-1, a fixing bolt 3-2, a measuring workbench 4, a positioning block 5, a notch 6, a measuring head 7, a notch upper edge A8, a notch upper edge B9, a notch lower edge C10, a notch lower edge D11 and a cushion block 12.
Detailed Description
The utility model will be described in detail below with reference to the following drawings:
example (b): as shown in attached figures 1-5, the checking fixture for detecting the symmetry degree of the notch of the bearing outer ring comprises a dial indicator 1, a bearing outer ring 2, outer diameter limit blocks 3, a measuring workbench 4 and positioning blocks 5, notches 6 are symmetrically formed in two sides of the outer diameter of the bearing outer ring 2, two outer diameter limit blocks 3 are symmetrically arranged on the surface of the measuring workbench 4, one side, close to the other outer diameter limit block 3, of each outer diameter limit block 3 is provided with a positioning block 5, a connecting line between the two outer diameter limit blocks 3 is collinear with a connecting line between the two positioning blocks 5, and the outer diameter limit blocks 3 are detachably mounted on the measuring workbench 4; the bearing outer ring 2 is horizontally placed on the surface of the measuring workbench 4, so that the two positioning blocks 5 are respectively positioned in the corresponding gaps 6, and the two outer diameter limiting blocks 3 are respectively abutted against the corresponding gaps 6, so that the bearing outer ring 2 can only move along the direction vertical to the connecting line between the two outer diameter limiting blocks 3; the dial indicator 1 is fixedly installed at the top of the measuring workbench 4 through a fixing device 1-1, a measuring head 7 of the dial indicator 1 is perpendicular to a connecting line between the two outer diameter limiting blocks 3, and the measuring head 7 is in contact fit with the outer diameter of the bearing outer ring 2 and used for measuring the moving distance of the bearing outer ring 2.
Referring to fig. 5, the upper edge of the notch 6 on the left side of the bearing outer ring 2 is a notch upper edge B9, and the upper edge of the notch 6 on the right side is a notch upper edge a 8; the lower edge of the notch 6 on the left side of the bearing outer ring 2 is a notch lower edge C10, and the lower edge of the notch 6 on the right side is a notch lower edge D11.
Referring to the attached drawings 1 and 2, a kidney-shaped hole 3-1 is formed in the outer diameter limiting block 3, and a fixing bolt 3-2 penetrates through the kidney-shaped hole 3-1 to fix the outer diameter limiting block 3 on a measuring workbench 4; and changing the position of the fixing bolt 3-2 fixed on the kidney-shaped hole 3-1 according to the outer diameter of the bearing outer ring 2, thereby adjusting the distance between the two outer diameter limiting blocks 3.
Referring to fig. 3, the back of the measuring table 4 is provided with a cushion block 12, which can cushion the measuring table 4 to avoid direct contact with the table top.
Referring to fig. 2, the measuring direction of the measuring head 7 is collinear with the center of the bearing outer ring 2, so that the measuring accuracy is ensured.
A method for detecting the symmetry degree of a bearing outer ring notch comprises the following steps:
1) placing an outer ring of the bearing: horizontally placing the bearing outer ring 2 on the surface of the measuring workbench 4, enabling the two positioning blocks 5 to be respectively positioned in the corresponding gaps 6, and meanwhile, enabling the two outer diameter limiting blocks 3 to be respectively abutted against the corresponding gaps 6, so that the bearing outer ring 2 can only move along the direction vertical to the connecting line between the two outer diameter limiting blocks 3; preferably, before placing the bearing outer ring 2, the distance between the two outer diameter limiting blocks 3 is adjusted according to the outer diameter of the bearing outer ring 2 to be measured, so that the outer diameter limiting blocks 3 can abut against the gaps 6 and the positioning blocks 5 can enter the corresponding gaps 6.
2) The first measurement: respectively abutting the notch upper edge A8 and the notch upper edge B9 of the bearing outer ring 2 against the corresponding positioning block 5, and measuring the reading a1 of the dial indicator 1 at the moment;
3) and (3) second measurement: respectively abutting the lower edge C10 and the lower edge D11 of the notch of the bearing outer ring 2 against the corresponding positioning block 5, and measuring the reading a2 of the dial indicator 1 at the moment;
4) and (3) calculating the symmetry: subtracting the reading a2 obtained in the step 3) from the reading a1 obtained in the step 2), and taking an absolute value to obtain the symmetry a of the bearing outer ring 2, wherein a is | a1-a2 |;
5) and (4) product qualification judgment: if the degree of symmetry a obtained in the step 4) is less than or equal to a0, the degree of symmetry of the product meets the requirement; if a is more than or equal to a0, the symmetry of the product does not meet the requirement; wherein a0 is the requirement of the symmetry of the product.
The working principle of the utility model is as follows: in the prior art, the central point of the bearing outer ring 2 to be measured needs to be determined firstly during measurement, and then the symmetry degree of the notch is determined by measuring the distance from the notch to the central point. The utility model utilizes the mechanical principle to effectively convert the symmetry degree of the directly measured outer ring notch into the distance between the measured notch and the outer diameter to indirectly obtain the symmetry degree value, namely the distance between the upper edge of the notch and the outer diameter of the bearing outer ring 2 from the lower edge of the notch is respectively measured, and the difference value of the upper edge of the notch and the lower edge of the notch is taken, so that the measurement work is simplified and speeded on the premise of ensuring the accuracy of the measurement result, the full inspection of the product is realized, and the work efficiency and the work quality are greatly improved.
It should be understood that equivalent alterations and modifications of the technical solution and the inventive concept of the present invention by those skilled in the art should fall within the scope of the appended claims.
Claims (6)
1. The utility model provides a detect utensil of examining of bearing inner race breach symmetry which characterized in that: the measuring device comprises a dial indicator (1), a bearing outer ring (2), outer diameter limiting blocks (3), a measuring workbench (4) and positioning blocks (5), wherein notches (6) are symmetrically formed in two sides of the outer diameter of the bearing outer ring (2), two outer diameter limiting blocks (3) are symmetrically arranged on the surface of the measuring workbench (4), one side, close to the other outer diameter limiting block (3), of each outer diameter limiting block (3) is provided with a positioning block (5), a connecting line between the two outer diameter limiting blocks (3) and a connecting line between the two positioning blocks (5) are collinear, and the outer diameter limiting blocks (3) are detachably mounted on the measuring workbench (4); the bearing outer ring (2) is horizontally placed on the surface of the measuring workbench (4), so that the two positioning blocks (5) are respectively positioned in the corresponding gaps (6), and the two outer diameter limiting blocks (3) are respectively abutted against the corresponding gaps (6), so that the bearing outer ring (2) can only move along the direction vertical to the connecting line between the two outer diameter limiting blocks (3); the dial indicator (1) is fixed on the measuring workbench (4), a measuring head (7) of the dial indicator (1) is perpendicular to a connecting line between the two outer diameter limiting blocks (3), and the measuring head (7) is in contact fit with the outer diameter of the bearing outer ring (2) and used for measuring the moving distance of the bearing outer ring (2).
2. The detection tool for detecting the symmetry degree of the notch of the bearing outer ring according to claim 1, is characterized in that: the dial indicator (1) is fixedly arranged on the top of the measuring workbench (4) through a fixing device (1-1).
3. The detection tool for detecting the symmetry degree of the notch of the bearing outer ring according to claim 1, is characterized in that: the upper edge of the notch (6) on the left side of the bearing outer ring (2) is a notch upper edge B (9), and the upper edge of the notch (6) on the right side is a notch upper edge A (8); the lower edge of the left side notch (6) of the bearing outer ring (2) is a notch lower edge C (10), and the lower edge of the right side notch (6) is a notch lower edge D (11).
4. The detection tool for detecting the symmetry degree of the notch of the bearing outer ring according to claim 1, is characterized in that: a waist-shaped hole (3-1) is formed in the outer diameter limiting block (3), and a fixing bolt (3-2) penetrates through the waist-shaped hole (3-1) to fix the outer diameter limiting block (3) on the measuring workbench (4); according to the outer diameter of the bearing outer ring (2), the fixed position of the fixing bolt (3-2) on the kidney-shaped hole (3-1) is changed, so that the distance between the two outer diameter limiting blocks (3) is adjusted.
5. The detection tool for detecting the symmetry degree of the notch of the bearing outer ring according to claim 1, is characterized in that: and a cushion block (12) is arranged on the back surface of the measuring workbench (4).
6. The detection tool for detecting the symmetry degree of the notch of the bearing outer ring according to claim 1, is characterized in that: and the measuring direction of the measuring head (7) is collinear with the circle center of the bearing outer ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891884.6U CN216012084U (en) | 2021-08-13 | 2021-08-13 | Detection tool for detecting symmetry degree of bearing outer ring notch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891884.6U CN216012084U (en) | 2021-08-13 | 2021-08-13 | Detection tool for detecting symmetry degree of bearing outer ring notch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216012084U true CN216012084U (en) | 2022-03-11 |
Family
ID=80588645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121891884.6U Active CN216012084U (en) | 2021-08-13 | 2021-08-13 | Detection tool for detecting symmetry degree of bearing outer ring notch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216012084U (en) |
-
2021
- 2021-08-13 CN CN202121891884.6U patent/CN216012084U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204388760U (en) | Detect the comprehensive check tool of thrust surface Distance geometry verticality | |
| CN201057514Y (en) | Large-scale fine measuring instrument | |
| CN104390558A (en) | Gear ring length dimension gauge | |
| CN104215156A (en) | Key groove reference block and single-hole single and double key groove symmetry degree detector | |
| CN101799267A (en) | Device and method for measuring symmetry of spindle keyways | |
| CN203572358U (en) | Multifunctional comprehensive detecting tool | |
| CN216012084U (en) | Detection tool for detecting symmetry degree of bearing outer ring notch | |
| CN105333784A (en) | Turbine pressure relief valve gauge | |
| CN102128579B (en) | Detecting device for measuring appearance with compound angle length | |
| CN113670177A (en) | Detection tool and method for detecting symmetry degree of bearing outer ring notch | |
| CN208736273U (en) | A kind of measurement bracket for testing product rigging position | |
| CN203824454U (en) | Slot position detection device | |
| CN215338127U (en) | Profile tolerance gauge | |
| CN202885746U (en) | Inner hole seam allowance angle detector for bevel gear | |
| CN104215157A (en) | Key groove reference block and excircle single and double key groove symmetry degree detector | |
| CN203489866U (en) | Measuring device for measuring relative angles between center of camshaft key slot and centers of camshaft pinholes | |
| CN210400274U (en) | Coaxial and deflection detection measuring tool for powder press | |
| CN204165488U (en) | Thin-walled gear ring length dimension cubing | |
| CN210154504U (en) | Special gauge for shape and position tolerance of piston pin hole | |
| CN207231371U (en) | Car engine balance shaft curvature detecting tool | |
| CN201867165U (en) | Special measurer for eccentricity of long shaft and short shaft of crankshaft | |
| CN205981066U (en) | Reverse gear shaft blank terminal surface straightness detection device that hangs down | |
| CN220982117U (en) | Automobile engine balance shaft both sides face error degree inspection frock | |
| CN214372176U (en) | Special measuring tool for inner diameter of bearing seat | |
| CN214308560U (en) | A measurement structure for blank symmetry detects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |