CN204007443U - A kind of arc inside-diameter measuring tool - Google Patents
A kind of arc inside-diameter measuring tool Download PDFInfo
- Publication number
- CN204007443U CN204007443U CN201420455379.0U CN201420455379U CN204007443U CN 204007443 U CN204007443 U CN 204007443U CN 201420455379 U CN201420455379 U CN 201420455379U CN 204007443 U CN204007443 U CN 204007443U
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- China
- Prior art keywords
- pin
- bearing
- litter
- displacement transmission
- transmission lever
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- 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.)
- Expired - Lifetime
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- 238000005259 measurement Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a kind of arc inside-diameter measuring tool, it comprises displacement transmission mechanism, semicircle bow, dial gauge, traverse measurement pin, fixation measuring pin, displacement transmission mechanism comprises table bar, displacement transmission lever, bearing, table bar inside is provided with displacement transmission lever moving up and down, displacement transmission lever upper end is connected with the measuring head of dial gauge, displacement transmission lever lower end is connected with traverse measurement pin, semicircle bow upper end is fixed on a side of bearing, semicircle bow lower end is connected with fixation measuring pin, minimum diameter and the internal radius to be measured of the inside surface arc of semicircle bow match, fixation measuring pin is positioned at the same side of semicircle bow and vertical with the vertical section of semicircle bow with traverse measurement pin, the line of fixation measuring pin and the measurement point of traverse measurement pin is parallel with displacement transmission lever.The utility model bends and the combination of dial gauge measurer by semicircle, and boss in the middle of effectively avoiding, is directly measured the internal diameter of such workpiece.
Description
Technical field
The utility model relates to survey instrument field, more particularly, relates to a kind of arc inside-diameter measuring tool.
Background technology
Have the annular workpiece of boss in the middle of running into sometimes in daily production, round internal diameter that now cannot measuring workpieces with micrometer inside caliper, must use indirect measurement method measurement, but its measuring accuracy is limited, bigger error.
Utility model content
The purpose of this utility model is to provide a kind of arc inside-diameter measuring tool of measuring circular diameter in the middle annular workpiece that has boss.
Design proposal of the present utility model is, a kind of arc inside-diameter measuring tool, it comprises displacement transmission mechanism, semicircle bow, dial gauge, traverse measurement pin, fixation measuring pin, described displacement transmission mechanism comprises table bar, displacement transmission lever, bearing, dial gauge is fixedly installed in the top of table bar, the bottom of table bar is fixed on the top of bearing, table bar inside is provided with displacement transmission lever moving up and down, displacement transmission lever upper end is connected with the measuring head of dial gauge, displacement transmission lever lower end is connected with traverse measurement pin, semicircle bow upper end is fixed on a side of bearing, semicircle bow lower end is connected with fixation measuring pin, minimum diameter and the internal radius to be measured of the inside surface arc of semicircle bow match, fixation measuring pin is positioned at the same side of semicircle bow and vertical with the vertical section of semicircle bow with traverse measurement pin, the line of fixation measuring pin and the measurement point of traverse measurement pin is parallel with displacement transmission lever.
For the position of fixed displacement transmission lever under free state, displacement transmission lever is provided with step at bearing inner chamber upper position, between step lower end and bearing inner chamber lower surface, is provided with Compress Spring.
In order to measure different interior circular diameters, described semicircle bow comprises lower gage beam, litter, gage beam set nut, upper gage beam, litter bearing, described upper gage beam and lower gage beam are circular arc, upper gage beam is connected with a side of bearing, the upper gage beam other end is connected with litter bearing, the lower end of litter and lower gage beam are connected and fixed, and the upper end of litter is provided with the litter bearing moving up and down along litter, and litter bearing is provided with the set nut of fixing litter support position.
Preferably, described litter is provided with rule, and litter bearing is provided with scale window and graticule.
For the accuracy that ensures to measure, described traverse measurement pin is respectively provided with a hemisphere jut with the position contacting with inner circle to be measured on fixation measuring pin.
Preferably, described traverse measurement pin and fixation measuring pin are cylindrical.
Technique effect of the present utility model is, bends and the combination of dial gauge measurer by semicircle, and boss in the middle of effectively avoiding while realizing the round piece internal diameter that has boss in the middle of measuring, is directly measured the internal diameter of such workpiece.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the utility model examples measure process schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Referring to accompanying drawing, a kind of arc inside-diameter measuring tool, it comprises displacement transmission mechanism, semicircle bow and dial gauge 1, traverse measurement pin 5, fixation measuring pin 6, described displacement transmission mechanism comprises table bar 2, displacement transmission lever 3, bearing 11, dial gauge 1 is fixedly installed in the top of table bar 2, the bottom of table bar 2 is fixed on the top of bearing 11, table bar 2 inside are provided with displacement transmission lever 3 moving up and down, displacement transmission lever 3 upper ends are connected with the measuring head of dial gauge 1, displacement transmission lever 3 lower ends are connected with traverse measurement pin 5, for the position of fixed displacement transmission lever 3 under free state, displacement transmission lever 3 is provided with step at bearing 11 inner chamber upper positions, between step lower end and bearing 11 inner chamber lower surfaces, be provided with Compress Spring 4, semicircle bow upper end is fixed on a side of bearing 11, semicircle bow lower end is connected with fixation measuring pin 6, minimum diameter and the internal radius to be measured of the inside surface arc of semicircle bow match, fixation measuring pin 6 is positioned at the same side of semicircle bow and vertical with the vertical section of semicircle bow with traverse measurement pin 5, the line of fixation measuring pin 6 and the measurement point of traverse measurement pin 5 is parallel with displacement transmission lever 3, in order to measure different interior circular diameters, described semicircle bow comprises lower gage beam 7, litter 8, gage beam set nut 9, upper gage beam 10, litter bearing 13, described upper gage beam 10 and lower gage beam 7 are circular arc, upper gage beam 10 is connected with a side of bearing 11, upper gage beam 10 other ends are connected with litter bearing 13, the lower end of litter 8 and lower gage beam 7 are connected and fixed, the upper end of litter 8 is provided with the litter bearing 13 moving up and down along sliding 8 poles, litter bearing 13 is provided with the set nut 9 of fixing litter bearing 13 positions, described litter 8 is provided with rule, litter bearing 13 is provided with scale window and graticule, for the accuracy that ensures to measure, the position that described traverse measurement pin 5 contacts with inner circle to be measured with fixation measuring pin 6 is respectively provided with a hemisphere jut.
Measuring process, have the round inner diameter D of round piece 14 of boss in the middle of measuring time, the design load of known D, gage beam 10 in adjusting, make D value to be measured in the measurement range of measurer, block respectively the hemisphere jut on fixation measuring pin 6 and the traverse measurement pin 5 of measurer with the outside micrometer that is adjusted to D value, the position that now dial gauge 1 pointer stops is D, " 0 " scale mark on dial gauge 1 dial plate is rotated to pointer position and writes down the value in small dial, fixation measuring arm set nut 9, when measuring workpieces 14, traverse measurement pin 5 to fixation measuring pin 6 is all contacted with workpiece 14 inner circles, keep fixation measuring pin 6 and workpiece 14 motionless, the position of shake traverse measurement pin 5 slightly, now can read from dial gauge 1 difference of the interior diameter of a circle of this workpiece 14 and design load D, its measuring accuracy can reach micron order.
Be more than a kind of embodiment of the present utility model, the scope of the utility model application request protection has more than and is limited to described embodiment.Those skilled in the art do not depart under the spirit of utility model and the prerequisite of design directly derive or association as traverse measurement pin 5 and fixation measuring pin 6 cylindrical, as long as locating of contact with inner circle to be measured with fixation measuring pin 6 of traverse measurement pin 5 for line contact or be contact and all should think and be included in protection domain of the present utility model within.
Claims (9)
1. an arc inside-diameter measuring tool, it is characterized in that, it comprises displacement transmission mechanism, semicircle bow, dial gauge, traverse measurement pin, fixation measuring pin, described displacement transmission mechanism comprises table bar, displacement transmission lever, bearing, dial gauge is fixedly installed in the top of table bar, the bottom of table bar is fixed on the top of bearing, table bar inside is provided with displacement transmission lever moving up and down, displacement transmission lever upper end is connected with the measuring head of dial gauge, displacement transmission lever lower end is connected with traverse measurement pin, semicircle bow upper end is fixed on a side of bearing, semicircle bow lower end is connected with fixation measuring pin, minimum diameter and the internal radius to be measured of the inside surface arc of semicircle bow match, fixation measuring pin is positioned at the same side of semicircle bow and vertical with the vertical section of semicircle bow with traverse measurement pin, the line of fixation measuring pin and the measurement point of traverse measurement pin is parallel with displacement transmission lever.
2. a kind of arc inside-diameter measuring tool according to claim 1, is characterized in that, described displacement transmission lever is provided with step at bearing inner chamber upper position, between described step lower end and bearing inner chamber lower surface, is provided with Compress Spring.
3. according to claim 1 or a kind of arc inside-diameter measuring tool claimed in claim 2, it is characterized in that, described semicircle bow comprises lower gage beam, litter, gage beam set nut, upper gage beam, litter bearing, described upper gage beam and lower gage beam are circular arc, upper gage beam is connected with a side of bearing, the upper gage beam other end is connected with litter bearing, the lower end of litter and lower gage beam are connected and fixed, the upper end of litter is provided with the litter bearing moving up and down along litter, and litter bearing is provided with the set nut of fixing litter support position.
4. a kind of arc inside-diameter measuring tool according to claim 3, is characterized in that, described litter is provided with rule, and litter bearing is provided with scale window and graticule.
5. a kind of arc inside-diameter measuring tool according to claim 3, is characterized in that, described litter is provided with rule, and litter bearing is provided with scale window and graticule.
6. according to claim 1 or a kind of arc inside-diameter measuring tool claimed in claim 2, it is characterized in that, the position that described traverse measurement pin contacts with inner circle to be measured with fixation measuring pin is line contact or some contact.
7. a kind of arc inside-diameter measuring tool according to claim 3, is characterized in that, the position that described traverse measurement pin contacts with inner circle to be measured with fixation measuring pin is line contact or some contact.
8. a kind of arc inside-diameter measuring tool according to claim 4, is characterized in that, the position that described traverse measurement pin contacts with inner circle to be measured with fixation measuring pin is line contact or some contact.
9. a kind of arc inside-diameter measuring tool according to claim 5, is characterized in that, the position that described traverse measurement pin contacts with inner circle to be measured with fixation measuring pin is line contact or some contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455379.0U CN204007443U (en) | 2014-08-13 | 2014-08-13 | A kind of arc inside-diameter measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455379.0U CN204007443U (en) | 2014-08-13 | 2014-08-13 | A kind of arc inside-diameter measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007443U true CN204007443U (en) | 2014-12-10 |
Family
ID=52047430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455379.0U Expired - Lifetime CN204007443U (en) | 2014-08-13 | 2014-08-13 | A kind of arc inside-diameter measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702627A (en) * | 2017-10-31 | 2018-02-16 | 武汉中航精冲技术有限公司 | The measurement cubing and its measuring method of heavy caliber inner circle |
-
2014
- 2014-08-13 CN CN201420455379.0U patent/CN204007443U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702627A (en) * | 2017-10-31 | 2018-02-16 | 武汉中航精冲技术有限公司 | The measurement cubing and its measuring method of heavy caliber inner circle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200520 Address after: 411101 Hunan Province, Xiangtan City, the Department of the next street, No. 302 Patentee after: XIANGTAN ELECTRIC MANUFACTURING Co.,Ltd. Address before: 411101 Hunan Province, Xiangtan city Yuetang District College Road No. 38 Innovation Park Patentee before: XEMC LIGHT ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |