CN109883297A - Internal diameter error meter - Google Patents
Internal diameter error meter Download PDFInfo
- Publication number
- CN109883297A CN109883297A CN201910248556.5A CN201910248556A CN109883297A CN 109883297 A CN109883297 A CN 109883297A CN 201910248556 A CN201910248556 A CN 201910248556A CN 109883297 A CN109883297 A CN 109883297A
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- CN
- China
- Prior art keywords
- slide plate
- bracket
- measuring rod
- internal diameter
- support arm
- 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.)
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Abstract
A kind of internal diameter error meter, the high-acruracy survey for workpiece lumen, comprising: pedestal, slide plate, bracket, support arm and measuring rod, the pedestal is a rectangle steel plate, slide plate level is set on pedestal, and support vertical is fixed on pedestal one end, and support arm is installed vertically on bracket；The support arm is equipped with upward bending part, the measuring rod and bending part pin connection far from bracket one end, and measuring rod is enable to rotate along pin connection point；The measuring rod is equipped with a support rod far from bracket one end top, and support bar top is fixed with a slide plate, and the nearly bracket one end of the measuring rod is equipped with measurement point, and the measurement point is a boss；Nearly measuring rod one end is equipped with connecting rod on the pedestal, is equipped with dial gauge on the connecting rod, and when measurement, the measuring head of the dial gauge is in contact with the measurement point of measuring rod；The present invention is used to measure the accuracy of unsmooth workpiece inner wall, and measurement accuracy is easy to operate up to 0.01mm, adapts to a variety of calibers.
Description
Technical field
The invention belongs to measure equipment technology field, and in particular to a kind of internal diameter error meter.
Background technique
It is high to required precision in the processing to partial tube, it is raw in the processing of aerial bomb by taking aerial bomb as an example
It is high to the shell requirement on machining accuracy of part aerial bomb in production, to guarantee bomb in disengaging magazine, dispensing, transmitting or quick-fried
Energy smooth operation when fried, it is desirable that the machining accuracy error of shell is in grade.
In the processing of housing cavity, several lines are processed in meeting on the inner wall of the housing, inner walls surface is divided into
Multiple rules or irregular diamond blocks make in inner walls in " pineapple peel " shape, it is ensured that depth of lines it is uniform, to guarantee
Shell increases lethality in the crushing effect of explosion time.
Particularly with the aerial bomb of emission type, it is desirable that any one circumferential section wall thickness misses in aerial bomb shell case main body
Difference is no more than 1mm, and due to the inhomogeneities of inner wall surface, general optoelectronic detecting device, ultrasonic detecting equipment etc. can not
It completes.
In view of this, it is necessary to propose that one kind is capable of measuring inner wall error, facilitate operation, the high measuring instrument of measurement accuracy.
Summary of the invention
The object of the present invention is to provide one kind to be capable of measuring workpiece inner wall error, internal diameter error measure of the precision up to 0.01mm
Instrument.
It is a further object to provide a kind of easy to operate, the internal diameter error of a variety of caliber workpiece calibrations is adapted to
Measuring instrument.
In order to solve the above-mentioned technical problem, the invention discloses a kind of internal diameter error meters, the height for workpiece lumen
Precision measure, comprising: pedestal, slide plate, bracket, support arm and measuring rod, the pedestal are a rectangle steel plate, the slide plate water
Flat to be set on pedestal, the support vertical is fixed on pedestal one end, and the support arm is installed vertically on bracket, make support arm with
Slide plate is arranged in parallel；
The support arm is equipped with upward bending part, the measuring rod and bending part pin connection far from bracket one end, makes measuring rod
It can be rotated along pin connection point；
The middle of the base have along base length direction setting sliding rail, the slide plate bottom be machined with match with sliding rail it is recessed
Slot, slide plate two sides are equipped with several pairs of idler wheels, slide plate are enable to slide back and forth along sliding rail；
The nearly bracket one end of the slide plate is vertically equipped with gag lever post, is equipped with first bearing at the top of the gag lever post, first bearing with
Gag lever post is coaxial；
The measuring rod is equipped with a support rod far from bracket one end top, and support bar top is fixed with a slide plate, the measuring rod
Nearly bracket one end is equipped with measurement point, and the measurement point is a boss；
The slide plate two sides are respectively equipped with several columns, and second bearing is equipped at the top of each column, and second bearing is hung down
Directly it is arranged in slide plate, and the length direction to be parallel to slide plate is rotated as axis；
Nearly measuring rod one end is equipped with connecting rod on the pedestal, is equipped with dial gauge on the connecting rod, when measurement, the dial gauge
Measuring head be in contact with the measurement point of measuring rod；
Elastic device is equipped between the support arm and measuring rod, for making slide plate keep tilting state, slide plate upper end when making to detect
It can fit always with workpiece lumen wall.
Preferably, the recess sidewall of the slide plate bottom offers a tapped through-hole, is equipped in the through-hole
Bolt is adjusted, for controlling the sliding of slide plate.
Preferably, restraining position ring block is installed on nearly bracket one end on the support arm, limit is protruded into the end of the measuring rod
In the ring of position.
Preferably, the elastic device includes one of spring, stretch cord, elastic pressuring plate.
Preferably, the spacing of every column is less than the diameter of workpiece, height and the workpiece size phase of the column
It adapts to, can be rotated after being placed in workpiece in second bearing.
Preferably, the length of the sliding rail is greater than the length of workpiece.
Preferably, the distance between the slide plate and bracket are not less than the length of workpiece.
Preferably, the measuring rod is using bending part as midpoint.
It preferably, is the cambered surface of protrusion at the top of the slide plate, and cambered surface curvature is greater than the curvature of workpiece lumen.
Preferably, the bracket is column, and the support arm is fixed by screw part and is installed on bracket, makes support arm
Height can be along bracket up and down adjustment.
Internal diameter error meter of the invention, has at least the following advantages:
1. structure is simple, easy to maintain, measurement accuracy reaches as high as 0.01mm.
2. compared to optoelectronic detecting device, ultrasonic detecting equipment, although detection efficiency is lower, not only for inner wall
The detections such as the internal diameter error of sliding workpiece, with very high detection accuracy, and commonly optoelectronic detecting device and ultrasonic detecting equipment
This generic task can not be competent at.
3. measurement is easy to operate, fault-tolerance is preferable, can be used for the test, sampling observation and full inspection of workpiece lumen.
4. being suitable for the measurement of various workpieces internal diameter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of internal diameter error meter.
Fig. 2 is a kind of overlooking structure diagram of internal diameter error meter.
Fig. 3 is a kind of cross section structure schematic diagram of internal diameter error meter, wherein the arrow in figure respectively illustrates workpiece
With the direction of rotation of second bearing.
Specific embodiment
Below by embodiment, the present invention is described in further detail, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
Such as " have " it should be appreciated that used herein, "comprising" and " comprising " term are not precluded one or more
The presence or addition of a other elements or combinations thereof.
Embodiment 1
As shown in Figure 1-3, a kind of internal diameter error meter, the high-acruracy survey for workpiece lumen, comprising: pedestal 1, slide plate 2,
Bracket 3, support arm 4 and measuring rod 5, the pedestal are a rectangle steel plate, and the slide plate level is set on pedestal, the bracket
3 are perpendicularly fixed at 1 one end of pedestal, and the support arm 4 is installed vertically on bracket 3, and support arm is arranged in parallel with slide plate；
The support arm is equipped with upward bending part 401, the measuring rod 5 and 401 pin connection of bending part far from bracket one end, makes
Measuring rod 5 can be rotated along pin connection point；
There is the sliding rail 6 along the setting of base length direction in the middle part of the pedestal 1, the slide plate bottom is machined with to match with sliding rail
Groove 201, slide plate two sides are equipped with several pairs of idler wheels 7, slide plate are enable to slide back and forth along sliding rail；
The nearly bracket one end of the slide plate 2 is vertically equipped with gag lever post 8, is equipped with first bearing 801 at the top of the gag lever post 8, and first
Bearing is coaxial with gag lever post；
The measuring rod 5 is equipped with a support rod 501 far from bracket one end top, and support bar top is fixed with a slide plate 502, described
The nearly bracket one end of measuring rod is equipped with measurement point 503, and the measurement point is a boss；
The slide plate two sides are respectively equipped with several columns 9, are equipped with second bearing 901, the second axis at the top of each column
It holds 901 to be arranged perpendicular to slide plate 2, and the length direction to be parallel to slide plate is rotated as axis；
Nearly measuring rod one end is equipped with connecting rod 110 on the pedestal, is equipped with dial gauge 111 on the connecting rod, described when measurement
The measuring head of dial gauge is in contact with the measurement point of measuring rod；The precision of dial gauge is 0.01mm, therefore measurement accuracy of the invention
Up to 0.01mm.
Elastic device 10 is equipped between the support arm 4 and measuring rod 5, for making slide plate keep tilting state, when making detection
Slide plate upper end can fit with workpiece lumen wall always.
201 side wall of groove of 2 bottom of slide plate offers a tapped through-hole, is equipped in the through-hole and adjusts spiral shell
Bolt 11, for controlling the sliding of slide plate.
Restraining position ring block 402 is installed, stop collar is protruded into the end of the measuring rod 5 on the support arm 4 on nearly bracket one end
In 401, the excessive damage for causing elastic device of measuring rod amplitude of fluctuation is prevented.
The elastic device 10 includes one of spring, stretch cord, elastic pressuring plate.In this example, using elastic metallic
Tabletting.
The spacing of every column is less than the diameter of workpiece, and the height and workpiece size of the column are adapted, and makes work
Part can be rotated after being placed in second bearing.When workpiece is placed in second bearing, it at least should ensure that workpiece with slide plate friction, does not make
Operator can readily turning of work piece measure.
The length of the sliding rail 6 is greater than the length of workpiece A.In general, the length of sliding rail is on twice of left side of Workpiece length
The right side is advisable, to guarantee that workpiece can be gone on smoothly from installation, measurement from first to last.
The distance between the slide plate 502 and bracket 3 are not less than the length of workpiece.To guarantee to have carried out workpiece lumen
Full measurement.
The measuring rod 5 is midpoint with bending part 401.If measuring rod, should be according to lever not using bending part as midpoint
Calculation method, to the measurement data of dial gauge multiplied by corresponding coefficient.
It is the cambered surface of protrusion at the top of the slide plate 502, and cambered surface curvature is greater than the curvature of the inner cavity workpiece A.Make slide plate in work
Part inner wall can be gone on smoothly when sliding, and can filter out influence of the workpiece inner wall surface fine groove to measurement, prevent slide plate
The phenomenon that being locked and damaging measuring rod appearance.
The bracket 3 is column, and the support arm is fixed by screw part and is installed on bracket, makes the height of support arm can
Along bracket up and down adjustment.For the workpiece of different inner diameters, the height of support arm can be suitably adjusted, measuring rod and slide plate is made to adapt to pipe
Diameter inner wall is in suitable position.
Embodiment 2
By taking a kind of internal diameter error measure of high-precision (in error 1mm) aerial bomb shell as an example,
Before measurement, the measuring head of dial gauge 111 is separated with 503 phase of measurement point of measuring rod 5, checks the bullet of elastic device 10
Whether property, the rotation of each bearing, the rotation of measuring rod are normal, and aerial bomb shell is lain against in second bearing 901, aviation is made
Bomb casing one end offsets with first bearing 801, pushes slide plate 2 to 3 direction of bracket, then makes slide plate 502 and aerial bomb shell
Internal cavity wall is in contact, then the measuring head of dial gauge 111 is in contact with the measurement point of measuring rod, dial gauge zero；It is mobile to slide
Plate 2 screws to required measurement position and adjusts bolt 11, then fixed glides 2 rotate 360 degree of aerial bomb shell, observe percentage
Scale number, it is such as more than 1mm, then unqualified.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (10)
1. a kind of internal diameter error meter, the high-acruracy survey for workpiece lumen characterized by comprising pedestal, slide plate,
Bracket, support arm and measuring rod, the pedestal are a rectangle steel plate, and the slide plate level is set on pedestal, and the bracket hangs down
It directly is fixed on pedestal one end, the support arm is installed vertically on bracket, and support arm is arranged in parallel with slide plate；
The support arm is equipped with upward bending part, the measuring rod and bending part pin connection far from bracket one end, makes measuring rod
It can be rotated along pin connection point；
The middle of the base have along base length direction setting sliding rail, the slide plate bottom be machined with match with sliding rail it is recessed
Slot, slide plate two sides are equipped with several pairs of idler wheels, slide plate are enable to slide back and forth along sliding rail；
The nearly bracket one end of the slide plate is vertically equipped with gag lever post, is equipped with first bearing at the top of the gag lever post, first bearing with
Gag lever post is coaxial；
The measuring rod is equipped with a support rod far from bracket one end top, and support bar top is fixed with a slide plate, the measuring rod
Nearly bracket one end is equipped with measurement point, and the measurement point is a boss；
The slide plate two sides are respectively equipped with several columns, and second bearing is equipped at the top of each column, and second bearing is hung down
Directly it is arranged in slide plate, and the length direction to be parallel to slide plate is rotated as axis；
Nearly measuring rod one end is equipped with connecting rod on the pedestal, is equipped with dial gauge on the connecting rod, when measurement, the dial gauge
Measuring head be in contact with the measurement point of measuring rod；
Elastic device is equipped between the support arm and measuring rod, for making slide plate keep tilting state, slide plate upper end when making to detect
It can fit always with workpiece lumen wall.
2. internal diameter error meter as described in claim 1, which is characterized in that the recess sidewall of the slide plate bottom offers
One tapped through-hole, interior be equipped with of the through-hole adjusts bolt, for controlling the sliding of slide plate.
3. internal diameter error meter as claimed in claim 2, which is characterized in that installed on nearly bracket one end on the support arm
The end of restraining position ring block, the measuring rod is protruded into stop collar.
4. internal diameter error meter as claimed in claim 3, which is characterized in that the elastic device include spring, stretch cord,
One of elastic pressuring plate.
5. internal diameter error meter as described in claim 1, which is characterized in that the spacing of every column is less than workpiece
Diameter, the height and workpiece size of the column are adapted, and can be rotated after being placed in workpiece in second bearing.
6. internal diameter error meter as claimed in claim 5, which is characterized in that the length of the sliding rail is greater than the length of workpiece
Degree.
7. internal diameter error meter as claimed in claim 6, which is characterized in that the distance between the slide plate and bracket be not small
In the length of workpiece.
8. internal diameter error meter as claimed in claim 7, which is characterized in that the measuring rod is using bending part as midpoint.
9. internal diameter error meter as claimed in claim 8, which is characterized in that it is the cambered surface of protrusion at the top of the slide plate, and
Cambered surface curvature is greater than the curvature of workpiece lumen.
10. internal diameter error meter as described in claim 1, which is characterized in that the bracket is column, and the support arm is logical
It crosses screw fastener to be installed on bracket, makes the height of support arm can be along bracket up and down adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248556.5A CN109883297A (en) | 2019-03-29 | 2019-03-29 | Internal diameter error meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248556.5A CN109883297A (en) | 2019-03-29 | 2019-03-29 | Internal diameter error meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109883297A true CN109883297A (en) | 2019-06-14 |
Family
ID=66935158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910248556.5A Withdrawn CN109883297A (en) | 2019-03-29 | 2019-03-29 | Internal diameter error meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109883297A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106588A (en) * | 2018-03-02 | 2018-06-01 | 启东锦桥轴承有限公司 | Bearing bore diameter protrusion measuring device |
| CN111707168A (en) * | 2020-06-04 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Inner hole size measuring device and measuring method suitable for revolving body part |
| CN114295027A (en) * | 2021-11-29 | 2022-04-08 | 辽沈工业集团有限公司 | Instrument for measuring deviation of projectile body wall |
| CN117405060A (en) * | 2023-12-14 | 2024-01-16 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
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| JPH1010277A (en) * | 1996-06-27 | 1998-01-16 | Japan Nuclear Fuel Co Ltd<Jnf> | Measuring device for inner circumferential surface projection dimension of cylindrical body to be inspected |
| KR100812747B1 (en) * | 2007-04-13 | 2008-03-12 | 주식회사 영진테크 | Operation scandal inside diameter instrument |
| CN102829704A (en) * | 2012-08-17 | 2012-12-19 | 青岛东方铁塔股份有限公司 | Simple measuring device for straightness and ellipticity of tower drum of wind tower |
| CN202974103U (en) * | 2012-11-09 | 2013-06-05 | 赵伟力 | Inner and outer circle detector |
| CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
| CN104729441A (en) * | 2015-03-26 | 2015-06-24 | 沈阳飞机工业（集团）有限公司 | Multifunctional detection tool for arc-shaped pieces |
| CN107421414A (en) * | 2017-06-30 | 2017-12-01 | 天津天海同步科技有限公司 | A kind of axial workpiece internal spline bounce gauge |
| CN207180578U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for measuring inner hole of workpiece circle bounce |
| CN208254714U (en) * | 2018-05-28 | 2018-12-18 | 成都职业技术学院 | A kind of physical quantity test macro |
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2019
- 2019-03-29 CN CN201910248556.5A patent/CN109883297A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1010277A (en) * | 1996-06-27 | 1998-01-16 | Japan Nuclear Fuel Co Ltd<Jnf> | Measuring device for inner circumferential surface projection dimension of cylindrical body to be inspected |
| KR100812747B1 (en) * | 2007-04-13 | 2008-03-12 | 주식회사 영진테크 | Operation scandal inside diameter instrument |
| CN102829704A (en) * | 2012-08-17 | 2012-12-19 | 青岛东方铁塔股份有限公司 | Simple measuring device for straightness and ellipticity of tower drum of wind tower |
| CN202974103U (en) * | 2012-11-09 | 2013-06-05 | 赵伟力 | Inner and outer circle detector |
| CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
| CN104729441A (en) * | 2015-03-26 | 2015-06-24 | 沈阳飞机工业（集团）有限公司 | Multifunctional detection tool for arc-shaped pieces |
| CN107421414A (en) * | 2017-06-30 | 2017-12-01 | 天津天海同步科技有限公司 | A kind of axial workpiece internal spline bounce gauge |
| CN207180578U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for measuring inner hole of workpiece circle bounce |
| CN208254714U (en) * | 2018-05-28 | 2018-12-18 | 成都职业技术学院 | A kind of physical quantity test macro |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106588A (en) * | 2018-03-02 | 2018-06-01 | 启东锦桥轴承有限公司 | Bearing bore diameter protrusion measuring device |
| CN111707168A (en) * | 2020-06-04 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Inner hole size measuring device and measuring method suitable for revolving body part |
| CN111707168B (en) * | 2020-06-04 | 2021-09-03 | 湖北亿鹏展精密机械有限公司 | Inner hole size measuring device and measuring method suitable for revolving body part |
| CN114295027A (en) * | 2021-11-29 | 2022-04-08 | 辽沈工业集团有限公司 | Instrument for measuring deviation of projectile body wall |
| CN117405060A (en) * | 2023-12-14 | 2024-01-16 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
| CN117405060B (en) * | 2023-12-14 | 2024-02-06 | 东北石油大学 | Inner diameter measuring device for machining and detection method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190614 |