CN111307020A - Special measuring auxiliary tool for inner diameter and outer diameter of large bearing - Google Patents
Special measuring auxiliary tool for inner diameter and outer diameter of large bearing Download PDFInfo
- Publication number
- CN111307020A CN111307020A CN201911203576.7A CN201911203576A CN111307020A CN 111307020 A CN111307020 A CN 111307020A CN 201911203576 A CN201911203576 A CN 201911203576A CN 111307020 A CN111307020 A CN 111307020A
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- assistive device
- outer diameter
- auxiliary tool
- inner diameter
- large bearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0011—Arrangements for eliminating or compensation of measuring errors due to temperature or weight
- G01B5/0014—Arrangements for eliminating or compensation of measuring errors due to temperature or weight due to temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a special measuring assistive device for the inner diameter and the outer diameter of a large-sized bearing, which relates to a measuring assistive device and aims to solve the problem that the existing bearing measuring tool cannot meet the use requirement of the processing size detection of the inner diameter and the outer diameter of a special large-sized bearing. The mode that the ferrule is fixed and the measuring auxiliary tool moves is adopted, so that the measuring error caused by insufficient rigidity of the measuring tool can be effectively avoided. The invention belongs to the technical field of bearing measurement.
Description
Technical Field
The invention relates to a measuring assistive tool, in particular to a measuring assistive tool special for the inner diameter and the outer diameter of a large-sized bearing, and belongs to the technical field of bearing measurement.
Background
In order to ensure the quality of the bearing, a large number of measuring tools are used during the whole process of machining the bearing parts. When the inner diameter and the outer diameter of a common bearing are measured, the bearing is mostly fixed by an instrument, a ferrule rotates, and a large-sized bearing (the outer diameter is larger than 200mm and smaller than 430mm) has the problems of insufficient fulcrum rigidity, insufficient measuring range of a table, poor consistency of measuring results and the like when the traditional bearing measuring tool is used for measuring the size due to the characteristics of large mass, difficulty in rotation and the like. Because the sleeve rings produced by our company have small batch and special structure, a new measuring tool is needed for measuring the size in product processing.
Disclosure of Invention
The invention provides a special measuring auxiliary tool for the inner diameter and the outer diameter of a large-scale bearing, aiming at solving the problem that the existing bearing measuring tool can not meet the use requirement of the detection of the processing dimension of the inner diameter and the outer diameter of the large-scale bearing.
The technical scheme adopted by the invention for solving the problems is as follows:
the measuring assistive device comprises a supporting tube, two assistive device components, two supporting blocks, an ejector rod and a dial indicator, wherein the two assistive device components are sleeved on the supporting tube side by side, the two supporting blocks are respectively installed on the inner sides of the two assistive device components, the ejector rod is installed on one assistive device component, and the dial indicator is installed on the other assistive device component.
Furthermore, the special measuring assistive device for the inner diameter and the outer diameter of the large bearing further comprises two clamping blocks, each clamping block is a rectangular block, a through hole is formed in the middle of each clamping block, two clamping ends are arranged on the upper portion of each through hole and locked through bolts, and a first threaded hole is formed in the lower portion of each through hole.
Furthermore, each assistive device assembly comprises an upper assistive device and a lower assistive device, wherein the upper assistive device and the lower assistive device are sequentially connected end to end and are arranged in an L shape.
Further, the upper auxiliary tool is provided with a through hole penetrating through the supporting tube.
Furthermore, the upper auxiliary tool is a rectangular block, the upper end of the upper auxiliary tool is provided with a circular arc protrusion, the middle of the circular arc protrusion is provided with a movable pressing plate, the lower end edge of the movable pressing plate is provided with an upper connecting lug plate, and the lower part of the upper connecting lug plate is also provided with a lower connecting lug plate matched with the upper connecting lug plate.
Furthermore, the front surface of the lower auxiliary tool is provided with a first strip-shaped hole penetrating through the supporting block, and the central line of the first strip-shaped hole in the length direction is parallel to the central line of the lower auxiliary tool in the length direction.
Furthermore, a second strip-shaped hole for installing the supporting block and the clamping block is formed in the side face of the lower auxiliary tool, and the central line of the second strip-shaped hole in the length direction is parallel to the central line of the lower auxiliary tool in the length direction.
Furthermore, each supporting block is L-shaped, two second threaded holes are vertically formed in the supporting block in the vertical direction, the supporting block is inserted into the second strip-shaped holes, and two bolts respectively penetrate through the first strip-shaped hole and the corresponding second threaded hole to fix the supporting block on the lower auxiliary tool.
Furthermore, one end of the ejector rod is provided with a conical head.
Further, the supporting tube is a hollow tube body.
The invention has the beneficial effects that:
1. aiming at the characteristics of large mass, difficult rotation and the like of a large-scale bearing ring, the original modes of fixing an instrument and moving the ring during the bearing measurement are changed, and the modes of fixing the ring and moving a measurement auxiliary tool are adopted, so that the measurement error caused by insufficient rigidity of a measuring tool can be effectively avoided;
2. the measurement assistive device is portable, has a firm integral structure, and meets the requirement of rigidity on the premise of ensuring the measurement precision, thereby reducing the labor intensity of workers;
3. the invention is simple and easy to learn, the measurement is rapid, and the measurement result is accurate and reliable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of an accessory assembly; FIG. 4 is a top view of FIG. 3; FIG. 5 is a left side view of FIG. 3;
FIG. 6 is a schematic view of the clamping block; FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a schematic view of the support block configuration; FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic structural view of the support tube; fig. 11 is a schematic structural view of the jack.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 11, and the measurement aid of the present embodiment includes a support tube 1, two aid components, two support blocks 2, a push rod 3, and a dial indicator 4, the two aid components are sleeved on the support tube 1 side by side, the two support blocks 2 are respectively installed on the inner sides of the two aid components, the push rod 3 is installed on one of the aid components, and the dial indicator 4 is installed on the other aid component.
Aiming at the characteristics of large mass and difficult rotation of a large-scale bearing ring, a mode that the ring is not moved and the measuring auxiliary tool is moved is adopted, so that the measuring error caused by insufficient rigidity of the measuring tool can be effectively avoided.
The second embodiment is as follows: the embodiment is described with reference to fig. 1, the special measuring assistive device for the inner and outer diameters of the large bearing further comprises two clamping blocks 5, each clamping block 5 is a rectangular block, a through hole 5-1 is formed in the middle of each clamping block 5, two clamping ends 5-2 are arranged on the upper portion of each through hole 5-1, the two clamping ends 5-2 are locked through bolts, and a first threaded hole 5-1-1 is formed in the lower portion of each through hole 5-1. The ejector rod 3 is inserted in a through hole 5-1 of one clamping block 5, and the dial indicator 4 is inserted in a through hole 5-1 of the other clamping block 5 and fixed through a fastening bolt. The height position of the clamping block 5 can be adjusted up and down according to the measurement requirement.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and each accessory module of the present embodiment includes an upper accessory 6 and a lower accessory 7, and the upper accessory 6 and the lower accessory 7 are connected end to end in sequence and are arranged in an "L" shape.
Other components are connected in the same manner as in the first or second embodiment.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the upper auxiliary tool 6 of the present embodiment is provided with a through hole 6-1 penetrating the support pipe 1. Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 3 and fig. 2, in the embodiment, the upper auxiliary tool 6 is a rectangular block, the upper end of the upper auxiliary tool 6 is provided with an arc-shaped protrusion 6-2, the middle part of the arc-shaped protrusion 6-2 is provided with a movable pressing plate 6-2-1, the lower edge of the movable pressing plate 6-2-1 is provided with an upper connecting ear plate 6-3, and the lower part of the upper connecting ear plate 6-3 is further provided with a lower connecting ear plate 6-4 matched with the upper connecting ear plate 5-3.
After the position of the assistive device assembly is adjusted, the assistive device assembly sequentially penetrates through the upper connecting ear plate 6-2 and the lower connecting ear plate 6-3 by bolts and is locked by nuts, and the function of the assistive device assembly is to fasten the supporting tube 1 and prevent the supporting tube 1 from sliding off from the through hole 6-1.
Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: referring to fig. 1 to 3, the front surface of the lower auxiliary tool 7 of the present embodiment is provided with a first strip-shaped hole 7-1 penetrating through the supporting block 2, and a center line of the first strip-shaped hole 7-1 in the length direction is parallel to a center line of the lower auxiliary tool 7 in the length direction. Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: referring to fig. 1 to 3, the side surface of the lower auxiliary tool 7 of the present embodiment is provided with a second strip-shaped hole 7-2 for installing the supporting block 2 and the clamping block 5, and a center line of the second strip-shaped hole 7-2 in the length direction is parallel to a center line of the lower auxiliary tool 7 in the length direction. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 3, each support block 2 is L-shaped, two second threaded holes 2-1 are vertically formed in the vertical direction of the support block 2, the support block 2 is inserted into the second strip-shaped hole 7-2, and two bolts respectively pass through the first strip-shaped hole 7-1 and the corresponding second threaded hole 2-1 to fix the support block 2 on the lower auxiliary device 7. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
The specific implementation method nine: the present embodiment will be described with reference to fig. 11, and a tapered head 3-1 is provided at one end of the jack rod 3 according to the present embodiment. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: in the present embodiment, the support tube 1 is a hollow tube, which is described with reference to fig. 10. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiment.
The working principle is as follows:
during measurement, the outer diameter of the bearing is measured as an example, and all parts are simply installed according to the drawing I in the specification. During measurement, the positions of the auxiliary tool assembly and the heights of the supporting blocks 2 and the clamping blocks 5 are pre-adjusted according to the inner diameter and height of the bearing to ensure that the two supporting blocks 2 and the two clamping blocks 5 are positioned on the same plane, then the ejector rod 3 and the dial indicator 4 are installed, alignment is performed by adopting a marking method to ensure that the center of the ejector rod 3 is aligned with the center of the dial indicator, then the two clamping blocks are fixedly connected with the auxiliary tool together and fixed by using fastening screws, the positions of the auxiliary tool and the auxiliary tool are finely adjusted by using a standard component to ensure normal measurement work, in order to prevent the auxiliary tool assembly from sliding off and hurting people when moving on the supporting tube, and the firm screws can be properly pre-tightened during adjustment; when the table is checked, the standard part and the workpiece to be measured need to be processed at constant temperature and are placed in the same temperature environment for a period of time so as to reduce the measurement error caused by different linear expansion coefficients, and when the design nominal size of the ferrule to be measured is the same as the nominal size of the standard part, the table is checked according to the value and the symbol of the actual deviation of the standard part. When the design nominal size of the measured standard part is different from the design nominal size of the ferrule, calculation is needed, and the table is tabulated according to the calculated zero offset. During measurement, a supporting block of the measuring tool is placed on the end face of a workpiece, the measuring tool is pushed horizontally by two hands synchronously, the change of the reading of the dial indicator is observed, the maximum point or the minimum point of the indicator is the required reading, multiple points are measured on one workpiece in order to ensure the accuracy of the reading and prevent the workpiece from deforming in the machining process, and the appropriate reading is selected according to the requirement.
When the inner diameter of the bearing is measured, the directions of the ejector rod 3 and the dial indicator 4 are exchanged, and the rest operations are performed with the measurement of the outer diameter.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a utensil is assisted in special measurement of large-scale bearing inside and outside diameter which characterized in that: the measurement assistive device comprises a supporting tube (1), two assistive device components, two supporting blocks (2), a push rod (3) and a dial indicator (4), wherein the assistive device components are sleeved on the supporting tube (1) side by side, the two supporting blocks (2) are respectively installed on the inner sides of the assistive device components, the push rod (3) is installed on one assistive device component, and the dial indicator (4) is installed on the other assistive device component.
2. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 1, wherein: the special measuring assistive device for the inner diameter and the outer diameter of the large bearing further comprises two clamping blocks (5), each clamping block (5) is a rectangular block, a through hole (5-1) is formed in the middle of each clamping block (5), two clamping ends (5-2) are arranged on the upper portion of each through hole (5-1), the two clamping ends (5-2) are locked through bolts, and a first threaded hole (5-1-1) is formed in the lower portion of each through hole (5-1).
3. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 1, wherein: each assistive device assembly comprises an upper assistive device (6) and a lower assistive device (7), wherein the upper assistive device (6) and the lower assistive device (7) are sequentially connected end to end and are arranged in an L shape.
4. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 3, wherein: the upper auxiliary tool (6) is provided with a through hole (6-1) which penetrates through the supporting tube (1).
5. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 4, wherein: the upper auxiliary tool (6) is a rectangular block, the upper end of the upper auxiliary tool (6) is provided with a circular arc protrusion (6-2), the middle part of the circular arc protrusion (6-2) is provided with a movable pressing plate (6-2-1), the lower end edge of the movable pressing plate (6-2-1) is provided with an upper connecting lug plate (6-3), and the lower part of the upper connecting lug plate (6-3) is provided with a lower connecting lug plate (6-4) matched with the upper connecting lug plate (5-3).
6. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 3, wherein: the front surface of the lower auxiliary tool (7) is provided with a first strip-shaped hole (7-1) penetrating through the supporting block (2), and the center line of the first strip-shaped hole (7-1) in the length direction is parallel to the center line of the lower auxiliary tool (7) in the length direction.
7. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 6, wherein: and the side surface of the lower auxiliary tool (7) is provided with a second strip-shaped hole (7-2) for mounting the supporting block (2) and the clamping block (5), and the central line of the second strip-shaped hole (7-2) along the length direction is parallel to the central line of the lower auxiliary tool (7) along the length direction.
8. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 1, wherein: each supporting block (2) is L-shaped, two second threaded holes (2-1) are vertically formed in the vertical direction of each supporting block (2), the supporting blocks (2) are inserted into the second strip-shaped holes (7-2), and two bolts respectively penetrate through the first strip-shaped holes (7-1) and the corresponding second threaded holes (2-1) and then fix the supporting blocks (2) on the lower auxiliary tool (7).
9. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 1, wherein: one end of the ejector rod (3) is provided with a conical head (3-1).
10. The special measuring assistive device for the inner diameter and the outer diameter of the large bearing according to claim 1, wherein: the supporting tube (1) is a hollow tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203576.7A CN111307020A (en) | 2019-11-29 | 2019-11-29 | Special measuring auxiliary tool for inner diameter and outer diameter of large bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203576.7A CN111307020A (en) | 2019-11-29 | 2019-11-29 | Special measuring auxiliary tool for inner diameter and outer diameter of large bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111307020A true CN111307020A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203576.7A Pending CN111307020A (en) | 2019-11-29 | 2019-11-29 | Special measuring auxiliary tool for inner diameter and outer diameter of large bearing |
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| Country | Link |
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| CN (1) | CN111307020A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895882A (en) * | 2020-07-06 | 2020-11-06 | 云和县隆盛机械设计工作室 | Portable measuring device for bearing ring processing |
| CN114111498A (en) * | 2021-11-24 | 2022-03-01 | 中国航发哈尔滨轴承有限公司 | Hole position degree auxiliary detection tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033114A (en) * | 2012-12-20 | 2013-04-10 | 常熟长城轴承有限公司 | Rotating plate ball track central diameter measuring device |
| CN205228343U (en) * | 2015-12-18 | 2016-05-11 | 浙江辛子精工机械股份有限公司 | But in simultaneous measurement bearing / instrument of outer raceway lasso size and angle |
| CN207132828U (en) * | 2017-09-20 | 2018-03-23 | 瓦房店阿科比轴承有限公司 | A kind of board foot for measuring bearing ring diameter |
-
2019
- 2019-11-29 CN CN201911203576.7A patent/CN111307020A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033114A (en) * | 2012-12-20 | 2013-04-10 | 常熟长城轴承有限公司 | Rotating plate ball track central diameter measuring device |
| CN205228343U (en) * | 2015-12-18 | 2016-05-11 | 浙江辛子精工机械股份有限公司 | But in simultaneous measurement bearing / instrument of outer raceway lasso size and angle |
| CN207132828U (en) * | 2017-09-20 | 2018-03-23 | 瓦房店阿科比轴承有限公司 | A kind of board foot for measuring bearing ring diameter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895882A (en) * | 2020-07-06 | 2020-11-06 | 云和县隆盛机械设计工作室 | Portable measuring device for bearing ring processing |
| CN114111498A (en) * | 2021-11-24 | 2022-03-01 | 中国航发哈尔滨轴承有限公司 | Hole position degree auxiliary detection tool |
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Application publication date: 20200619 |