CN204902810U - Outside diameter measuring apparatu - Google Patents
Outside diameter measuring apparatu Download PDFInfo
- Publication number
- CN204902810U CN204902810U CN201520248907.XU CN201520248907U CN204902810U CN 204902810 U CN204902810 U CN 204902810U CN 201520248907 U CN201520248907 U CN 201520248907U CN 204902810 U CN204902810 U CN 204902810U
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- card base
- measurement
- outside diameter
- hole
- workpiece
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- 238000005259 measurement Methods 0.000 claims abstract description 59
- 238000006073 displacement reaction Methods 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000013499 data model Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an outside diameter measuring apparatu, include: card foot stool, ranging rod, first calorie of foot, second card foot, linear displacement sensor, angle displacement sensor, controller, acquire card foot stool lower surface to the workpiece surface's that awaits measuring distance through ranging rod and linear displacement sensor, angle displacement sensor acquires when first calorie of foot and the angle signal of second card foot card when awaiting measuring workpiece surface, the controller basis displacement signal that linear displacement sensor recorded with the angle signal that angle displacement sensor recorded obtains the diameter of workpiece for measurement, the outside diameter of workpiece for measurement can be obtained according to the measurement of workpiece for measurement part circular arc, the measurement of complete sphere of non - or round piece diameter is realized. Furthermore, the utility model provides an outside diameter measuring apparatu volume is less, convenient and practical, and easy operation improves measurement accuracy and efficiency greatly.
Description
Technical field
The utility model relates to mechanical measurement technique field, particularly relates to a kind of outside diameter measuring instrument.
Background technology
In the use of device, for spherical or there is the workpiece of part arc, usually need the diameter of measuring workpieces, just can carry out follow-up use.
At present, measure spherical or that there is part arc-shaped workpiece diameter and usually adopt the method directly measuring exradius, adopt vernier caliper or spiral dial gauge as survey instrument, survey instrument is stuck in the outside diameter place needing to measure, directly reads outside diameter.
But, make to measure in this way, need survey instrument to be stuck in diameter place, the measurement of incomplete spherical or round diameter cannot be realized.
Utility model content
The utility model provides a kind of outside diameter measuring instrument, cannot realize the problem of the measurement of incomplete spherical or round diameter for solving existing outside diameter measuring method.
The utility model provides a kind of outside diameter measuring instrument, comprising: card base seat, telemeter rod, the first card base, the second card base, linear movement pick-up, angular displacement sensor, controller;
Wherein, described card base seat is hollow structure, and described card base seat upper surface offers the first hole, and card base seat lower surface offers the second hole, and described first hole and described second hole are coaxially arranged;
Described telemeter rod is resisted against workpiece for measurement through described first hole and the second hole;
Described first card base and the second card base are articulated with the both sides in described card base seat lower surface, described second hole respectively;
Described linear movement pick-up to be arranged in described card base seat and to be electrically connected with described telemeter rod, for coordinating with described telemeter rod, measures the distance from card base seat lower surface to workpiece for measurement surface;
Described angular displacement sensor to be arranged in described card base seat and to be electrically connected with described first card base and/or the second card base, for measuring the opening angle of described first card base or the second card base;
Controller, is electrically connected with described linear movement pick-up and described angular displacement sensor, for the angle signal that the displacement signal that records according to described linear movement pick-up and described angular displacement sensor record, obtains the diameter of described workpiece for measurement.
Further, described telemeter rod comprises body and is arranged on the fastener of described body one end, and the size of described fastener is greater than the aperture in described first hole.
Further, the xsect of described telemeter rod body is square;
Described first hole and described second hole are square hole.
Further, described first card base is connected with described card base seat respectively by round pin with the second card base.
Further, described linear movement pick-up is capacitive displacement transducer.
Further, described telemeter rod is provided with multiple moving grid pole plate.
Further, described angular displacement sensor is capacitive displacement transducer.
Further, also comprise display,
Described display is arranged on described card base seat sidewall, is electrically connected with described controller, for showing the diameter of described workpiece for measurement.
The outside diameter measuring instrument that the utility model provides, the distance of card base seat lower surface to workpiece for measurement surface is obtained by telemeter rod and linear movement pick-up, angular displacement sensor obtains the angle signal when the first card base and the second card base are stuck in workpiece for measurement surface, the displacement signal that controller records according to described linear movement pick-up and the angle signal that described angular displacement sensor records, obtain the diameter of described workpiece for measurement; The outside diameter of workpiece for measurement can be obtained according to the measurement of workpiece for measurement partial arc, realize the measurement of incomplete spherical or round piece diameter.And, the outside diameter measuring instrument small volume that the utility model provides, convenient and practical, simple to operate, the physical dimension avoiding survey instrument is greater than measured workpiece outside diameter usually, the measurement caused is more difficult, and easily produces the technical matters of larger measuring error, greatly improves measuring accuracy and efficiency.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model outside diameter measuring instrument;
Fig. 2 is the side-looking structural representation of the utility model outside diameter measuring instrument;
Fig. 3 is the plan structure schematic diagram of the utility model outside diameter measuring instrument;
Fig. 4 is the data model schematic diagram of the utility model outside diameter measuring instrument;
Fig. 5 is the structural representation of the utility model outside diameter measuring instrument fastener.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Fig. 1 is the main TV structure schematic diagram of the utility model outside diameter measuring instrument, Fig. 2 is the side-looking structural representation of the utility model outside diameter measuring instrument, Fig. 3 is the plan structure schematic diagram of the utility model outside diameter measuring instrument, refer to Fig. 1, Fig. 2, Fig. 3, the present embodiment provides a kind of outside diameter measuring instrument, comprising: card base seat 3, telemeter rod 4, first card base 1, second card base 2, linear movement pick-up 5, angular displacement sensor 7, controller;
Wherein, described card base seat 3 is hollow structure, and described card base seat 3 upper surface offers the first hole, and card base seat 3 lower surface offers the second hole, and described first hole and described second hole are coaxially arranged; Described telemeter rod 4 is resisted against workpiece for measurement 8 through described first hole and the second hole; Described first card base 1 and the second card base 2 are articulated with the both sides in described card base seat 3 lower surface, described second hole respectively; Described linear movement pick-up 5 to be arranged in described card base seat 3 and to be electrically connected with described telemeter rod 4, for coordinating with described telemeter rod 4, measures the distance from card base seat 3 lower surface to workpiece for measurement 8 surface; Described angular displacement sensor 7 to be arranged in described card base seat 3 and to be electrically connected with described first card base 1 and/or the second card base 2, for measuring the opening angle of described first card base 1 or the second card base 2; Controller, is electrically connected with described linear movement pick-up 5 and described angular displacement sensor 7, for the angle signal that the displacement signal that records according to described linear movement pick-up 5 and described angular displacement sensor 7 record, obtains the diameter of described workpiece for measurement 8.
Particularly, described angular displacement sensor can be electrically connected with the first card base 1 or the second card base 2, accordingly, is arranged at the side near the first card base 1 or the second card base 2 in card base seat 3.Also can be connected with the second card base 2 with the first card base 1, the angle measured is the angle signal α of required workpiece for measurement 8 divided by 2.
Institute's displacement signal and angle signal process by controller, and to obtain the diameter of described workpiece for measurement 8, concrete processing procedure comprises:
Fig. 4 is the data model schematic diagram of the utility model outside diameter measuring instrument, refer to described in Fig. 4, in figure, R is the radius of workpiece for measurement 8, L is the distance of intersection point to workpiece for measurement 8 of two crossing workpiece for measurement 8 cylindrical tangent lines, α be above-mentioned two phase tangential line divide angle equally.First card base 1 intersects at an A with card base seat 3, and the spacing that the second card base 2 and card base seat 3 intersect at some B, an AB is a;
Can be drawn by just profound theorem, R=(R+L) × sin α;
Release, R=L*sin α/(1-sin α);
Again according to △ l=a/2 × ctg α;
L＝△L+△l＝△L+a/2×ctgα；
Therefore, R=L*sin α/(1-sin α)=(△ L+a/2 × ctg α) * sin α/(1-sin α);
D＝2R＝2*(△L+a/2×ctgα)*sinα/(1-sinα)。
Wherein, a/2 is the half of the first card base and the second card base and card base seat 3 intersection point distance, and △ L is the distance from card base seat 3 lower surface to workpiece for measurement 8 surface that linear movement pick-up 5 is measured; α is the angle signal of the workpiece for measurement 8 that angular displacement sensor records, and the first card base and the distance between the second card base and card base seat intersection point can be known according to structure in advance, and therefore the diameter of workpiece for measurement also can be known.
It should be noted that, after controller obtains the diameter of workpiece for measurement 8 according to above-mentioned algorithm, the diameter of the described workpiece for measurement 8 obtained can be exported, data exported on computing machine or other equipment by wired or wireless device, the present embodiment does not limit again.Workpiece for measurement in the present embodiment can be ball feature, arc device, fan-shaped device etc., as long as the radius of this circular arc can be measured for arc-shaped in a surface in device.
Use procedure is: first vertically placed by measuring instrument, then uses workpiece for measurement to strut to certain angle by the first card base 1 and the second card base 2, static placement.Telemeter rod 4 is inserted card base seat 3 from the first hole, is resisted against workpiece for measurement.Linear movement pick-up 5 records the distance from card base seat 3 lower surface to workpiece for measurement 8 surface in the insertion process of telemeter rod 4, and these data are transferred to controller; Angular displacement sensor 7 records the first card base 1 and/or the second card base 2 from vertical to angle displacement during distraction angle, and these data are transferred to controller.The displacement signal that controller records according to linear movement pick-up 5 and the angle signal that angular displacement sensor 7 records, obtain the diameter of described workpiece for measurement 8.
The present embodiment is by providing a kind of outside diameter measuring instrument, the distance of card base seat lower surface to workpiece for measurement surface is obtained by telemeter rod and linear movement pick-up, angular displacement sensor obtains the angle signal when the first card base and the second card base are stuck in workpiece for measurement surface, the displacement signal that controller records according to described linear movement pick-up and the angle signal that described angular displacement sensor records, obtain the diameter of described workpiece for measurement; The outside diameter of workpiece for measurement can be obtained according to the measurement of workpiece for measurement partial arc, realize the measurement of incomplete spherical or round piece diameter.And, the outside diameter measuring instrument small volume that the present embodiment provides, convenient and practical, simple to operate, the physical dimension avoiding survey instrument is greater than measured workpiece outside diameter usually, the measurement caused is more difficult, and easily produces the technical matters of larger measuring error, greatly improves measuring accuracy and efficiency.
Further, described first card base 1 is connected with described card base seat 3 respectively by round pin 9 with the second card base 2.Wherein, the first card base 1 is hinged with card base seat 3 by the first round pin 9, and the second card base 2 is hinged with card base seat 3 by the second round pin 9, and wherein, the first round pin can be parallel to the second round pin.
Optionally, described linear movement pick-up 5 is capacitive displacement transducer.Capacitor grid transducer is fixedly installed in card base seat 3.Accordingly, described telemeter rod 4 can be provided with multiple moving grid pole plate.Multiple moving grid pole plate moves along with telemeter rod 4, thus coordinates with capacitive displacement transducer, realizes the measurement from card base seat 3 lower surface to the distance on workpiece for measurement 8 surface.
Optionally, described angular displacement sensor 7 is capacitive displacement transducer.Capacitor grid transducer is fixedly installed in card base seat 3.Accordingly, described first card base 1 or the second card base 2 can be provided with moving grid dish.Moving grid dish coordinates with the fixed grid dish in capacitive displacement transducer, realizes the measurement of the angle signal α to workpiece for measurement 8.
In embodiment, by using capacitor grid transducer in outside diameter measuring instrument, realizing the measurement of parameter, the accuracy of measurement can be increased further, reduce volume.
Further, Fig. 5 is the structural representation of the utility model outside diameter measuring instrument fastener, refer to Fig. 5, described telemeter rod 4 comprises body 401 and is arranged on the fastener 402 of described body 401 one end, and the size of described fastener 402 is greater than the aperture in described first hole.
Wherein, the aperture that the size of described fastener 402 is greater than described first hole is specifically as follows, arbitrary surface of fastener 402, limit or cornerwise size are greater than the aperture in described first hole, make fastener 402 be stuck in the side in the first hole, telemeter rod 4 cannot be deviate from from the opposite side in described first hole.Such as, when fastener 402 and the first hole are circular, the diameter of fastener 402 is greater than the aperture in the first hole.
By arranging fastener 402, can, when not using measuring instrument, telemeter rod 4 and measuring instrument not departed from, convenient placement.
Preferably, the xsect of telemeter rod body 401 is square, and described first hole and described second hole are square hole.By being set to square by the xsect of telemeter rod body 401, the measurement of linear movement pick-up can be further facilitated.Such as, scale mark can be marked with at telemeter rod body 401, find out rough displacement signal intuitively.
Preferred, outside diameter measuring instrument can also comprise display 6, and described display 6 is arranged on the sidewall of described card base seat 3, is electrically connected with described controller, for showing the diameter of described workpiece for measurement.By being arranged on by display on the sidewall of card base seat 3, the diameter of workpiece for measurement can be observed more easily.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. an outside diameter measuring instrument, is characterized in that, comprising: card base seat, telemeter rod, the first card base, the second card base, linear movement pick-up, angular displacement sensor, controller;
Wherein, described card base seat is hollow structure, and described card base seat upper surface offers the first hole, and card base seat lower surface offers the second hole, and described first hole and described second hole are coaxially arranged;
Described telemeter rod is resisted against workpiece for measurement through described first hole and the second hole;
Described first card base and the second card base are articulated with the both sides in described card base seat lower surface, described second hole respectively;
Described linear movement pick-up to be arranged in described card base seat and to be electrically connected with described telemeter rod, for coordinating with described telemeter rod, measures the distance from card base seat lower surface to workpiece for measurement surface;
Described angular displacement sensor to be arranged in described card base seat and to be electrically connected with described first card base and/or the second card base, for measuring the opening angle of described first card base or the second card base;
Controller, is electrically connected with described linear movement pick-up and described angular displacement sensor, for the angle signal that the displacement signal that records according to described linear movement pick-up and described angular displacement sensor record, obtains the diameter of described workpiece for measurement.
2. outside diameter measuring instrument according to claim 1, is characterized in that,
Described telemeter rod comprises body and is arranged on the fastener of described body one end, and the size of described fastener is greater than the aperture in described first hole.
3. outside diameter measuring instrument according to claim 2, is characterized in that,
The xsect of described telemeter rod body is square;
Described first hole and described second hole are square hole.
4. outside diameter measuring instrument according to claim 1, is characterized in that,
Described first card base is connected with described card base seat respectively by round pin with the second card base.
5. outside diameter measuring instrument according to claim 1, is characterized in that,
Described linear movement pick-up is capacitive displacement transducer.
6. outside diameter measuring instrument according to claim 5, is characterized in that,
Described telemeter rod is provided with multiple moving grid pole plate.
7. outside diameter measuring instrument according to claim 1, is characterized in that,
Described angular displacement sensor is capacitive displacement transducer.
8. outside diameter measuring instrument according to claim 1, is characterized in that, also comprise display,
Described display is arranged on described card base seat sidewall, is electrically connected with described controller, for showing the diameter of described workpiece for measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248907.XU CN204902810U (en) | 2015-04-22 | 2015-04-22 | Outside diameter measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248907.XU CN204902810U (en) | 2015-04-22 | 2015-04-22 | Outside diameter measuring apparatu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204902810U true CN204902810U (en) | 2015-12-23 |
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ID=54924978
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520248907.XU Expired - Fee Related CN204902810U (en) | 2015-04-22 | 2015-04-22 | Outside diameter measuring apparatu |
Country Status (1)
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| CN (1) | CN204902810U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123743A (en) * | 2016-06-08 | 2016-11-16 | 无锡职业技术学院 | The detection device of a kind of cylinder outside diameter, system and method |
| CN106705867A (en) * | 2016-12-19 | 2017-05-24 | 国网安徽省电力公司南陵县供电公司 | Non-contact wire diameter remote measuring instrument and measuring method thereof |
| CN107677189A (en) * | 2017-09-11 | 2018-02-09 | 福建农林大学 | A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter |
| CN108225234A (en) * | 2018-01-17 | 2018-06-29 | 中南林业科技大学 | A kind of standing tree size detecting device based on angular transducer |
| CN111307021A (en) * | 2020-03-03 | 2020-06-19 | 浙江中技建设工程检测有限公司 | Diameter measuring device for outer wall of cambered surface structure and using method thereof |
| CN112763534A (en) * | 2020-12-16 | 2021-05-07 | 华电电力科学研究院有限公司 | Evaluation method of electronic digital display large-range long-life boiler heating surface creep expansion detection device |
| CN116336991A (en) * | 2023-03-22 | 2023-06-27 | 十一冶建设集团有限责任公司 | Device and application method for measuring the outer circle diameter of a component |
-
2015
- 2015-04-22 CN CN201520248907.XU patent/CN204902810U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123743A (en) * | 2016-06-08 | 2016-11-16 | 无锡职业技术学院 | The detection device of a kind of cylinder outside diameter, system and method |
| CN106705867A (en) * | 2016-12-19 | 2017-05-24 | 国网安徽省电力公司南陵县供电公司 | Non-contact wire diameter remote measuring instrument and measuring method thereof |
| CN107677189A (en) * | 2017-09-11 | 2018-02-09 | 福建农林大学 | A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter |
| CN108225234A (en) * | 2018-01-17 | 2018-06-29 | 中南林业科技大学 | A kind of standing tree size detecting device based on angular transducer |
| CN108225234B (en) * | 2018-01-17 | 2020-11-20 | 中南林业科技大学 | A device for detecting the size of a standing tree based on an angle sensor |
| CN111307021A (en) * | 2020-03-03 | 2020-06-19 | 浙江中技建设工程检测有限公司 | Diameter measuring device for outer wall of cambered surface structure and using method thereof |
| CN112763534A (en) * | 2020-12-16 | 2021-05-07 | 华电电力科学研究院有限公司 | Evaluation method of electronic digital display large-range long-life boiler heating surface creep expansion detection device |
| CN116336991A (en) * | 2023-03-22 | 2023-06-27 | 十一冶建设集团有限责任公司 | Device and application method for measuring the outer circle diameter of a component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |