CN204064194U - A kind of clamp for detect aperture distance - Google Patents
A kind of clamp for detect aperture distance Download PDFInfo
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- CN204064194U CN204064194U CN201420499347.0U CN201420499347U CN204064194U CN 204064194 U CN204064194 U CN 204064194U CN 201420499347 U CN201420499347 U CN 201420499347U CN 204064194 U CN204064194 U CN 204064194U
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- positioning baseplate
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- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 24
- 238000001514 detection method Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
For a clamp for detect aperture distance, by bonded to each other for the upper surface of the lower surface of first positioning baseplate one end ladder and second positioning baseplate one end ladder, make mutually overlap between the first positioning baseplate and the second positioning baseplate and located by alignment pin.All there is the bar hole for installing slidiing pin at the first positioning baseplate and the second positioning baseplate without one end of cascaded surface, being positioned on the first positioning baseplate described in two slidiing pins are arranged on respectively and bar hole on the second positioning baseplate.During use, slidiing pin slides in bar hole, when the most taper end of slidiing pin can be inserted in measured hole, pitch-row size qualification is described, otherwise inaccuracy of dimensions is described.
Description
Technical field
This device relates to mechanical measurement field, specifically a kind of clamp for measuring cable block pitch-row.
Background technology
Along with developing rapidly of China's economy, also increasing to the demand of machining product, and on cylinder product after welding cable block, the pitch-row that cable block (comprises threaded hole or unthreaded hole) need be measured one by one, workload is very large.At present in the measurement of cable block pitch-row, the general kind of calliper and three-dimensional coordinates measurement and appliance special for detecting of adopting is measured.
Kind of calliper has the following disadvantages: kind of calliper needs to measure one by one, and directly can not measure result, and measurement result has to pass through conversion, sometimes must take multiple measurements and repeatedly calculate, get its mean value.Working strength is large, and detection efficiency is low.And the shape error getting a little different or hole due to the measurement of getting or the not equal reason of measuring people cause measurement result to differ greatly, measurement result is disturbed many factors, easily causes erroneous judgement.Must take multiple measurements and repeatedly calculate, get its mean value.Occur that measurement result is qualified sometimes, and the situation that cannot use.
Three-dimensional coordinates measurement has the following disadvantages: cost is high, and detection efficiency is low.Complicated operation, requires higher to operating personnel.
Be in the innovation and creation of CN200920243156.7 in the patent No., disclose a kind of hole center distance check tool, its principal character comprises a main body; One fixing resilient key, bottom is cambered surface band grooving structure, and the bottom of fixing resilient key is divided into several sections of cambered surfaces by grooving; One slide unit, the axle be contained on linear bearing by two is connected with body elastic; One living spring pin, is fixedly mounted in slide unit; The substructure of living spring pin is identical with the substructure of fixing resilient key; Two plane auxiliary positioning blocks.Described hole center distance check tool also includes one for the calibration part in cubing school zero.What this center distance check tool utilized is compare and measure principle, cubing on calibration part to zero after be used further to the measurement of workpiece.
This device has the following disadvantages: make complicated, cost is higher, and testing process is loaded down with trivial details, and detection efficiency is low.
Summary of the invention
For solve in prior art exist detection efficiency low, cost is high, and labour intensity is high, the shortcoming that measurement result difference is large, the present invention proposes a kind of clamp for detect aperture distance.
The present invention includes the first positioning baseplate, the second positioning baseplate, alignment pin and two slidiing pins.Wherein, the thickness direction of first positioning baseplate one end is stepped, and the thickness direction of second positioning baseplate one end is also stepped, and the ladder of the first positioning baseplate is measure-alike with the stepped profile of the second positioning baseplate, direction is contrary.The lower surface of described first positioning baseplate one end ladder and the upper surface of described second positioning baseplate one end ladder bonded to each other, make mutually overlap and fix between the first positioning baseplate and the second positioning baseplate.All there is the bar hole for installing slidiing pin at described first positioning baseplate and the second positioning baseplate without one end of cascaded surface, being positioned on the first positioning baseplate described in two slidiing pins are arranged on respectively and bar hole on the second positioning baseplate.
The length direction of described each bar hole is consistent with the length direction of described first positioning baseplate and the second positioning baseplate, and the length of straigh line of each bar hole is determined by pitch-row tolerance.
Each bar hole on described first positioning baseplate and the second positioning baseplate and pilot hole are all positioned at the side of described first positioning baseplate and the second positioning baseplate length direction center line, and make the extended line of each bar hole length direction center line crossing with the center of circle of pilot hole.
Described alignment pin one end is measuring section, and the external peripheral surface of this measuring section is the conical surface of 2 ° of degree; The maximum gauge of described measuring section is identical with tested aperture, and with measured hole interference engagement, to guarantee registration.The middle part of this alignment pin is positioning section.
The two ends of the positioning baseplate in the present invention have an alignment pin mounting hole and one to be slotted hole respectively, slidiing pin mounting hole.Described slidiing pin mounting hole is bar hole, and the length of this bar hole is determined by pitch-row tolerance.There is scale at the edge on the long limit of described bar hole, be convenient to carry out accurate quantification measurement.
Alignment pin is multidiameter, and the thinnest one end is measuring section, slightly in tapered, is convenient to accurate location.Diameter is determined by tested aperture.During measurement, the thinnest one end is inserted in tested metering-orifice, and middle shaft part inserts in positioning baseplate circular hole, plays positioning action.The end diameter of axle and measured hole are clearance fit.The middle shaft section diameter of bearing pin and substrate circular hole are interference fit.
Slidiing pin is also multidiameter, and the thinnest one end axle is also measuring section, slightly in tapered, is convenient to accurate location.Diameter is determined by tested aperture.During measurement, the thinnest one end is inserted in tested metering-orifice, and middle shaft part inserts in positioning baseplate slotted hole, plays measurement effect.The end diameter of axle and measured hole are clearance fit.The middle shaft section diameter of bearing pin and substrate slotted hole are clearance fit.Guarantee that slidiing pin can slide smoothly.
During installation, by two pieces of positioning baseplates mutually overlap joint alignment pin connect, alignment pin and positioning baseplate adopt interference fit, can not loosen, guarantee measuring accuracy.Slidiing pin is installed in slotted hole, can slidably reciprocate in pitch-row margin tolerance, and two pieces of substrate conbined usage once can detect two pitch-rows simultaneously, and two pieces of substrates also can be used alone, and so once can measure a pitch-row.
During use, the alignment pin of mounted testing tool inserted in a measured hole, other end slidiing pin slides in slotted hole, when the most taper end of slidiing pin can be inserted in measured hole, pitch-row size qualification is described, otherwise inaccuracy of dimensions is described.
Because the present invention is only made up of four parts, structure is simple, therefore easy to process, processing ease, in use, slidiing pin slides in pitch-row margin tolerance, as long as if in the smooth patchhole of slidiing pin energy, just illustrate that pitch-row meets technical requirement, otherwise just illustrate that pitch-row does not meet technical requirement.Testing result is not by the impact of the shape error in hole own.And, when there being reading requirement, because reading instruction is at the center of slidiing pin, the namely center in hole, therefore, reading directly can reflect hole centre distance size, diameter dimension need not be added and subtracted, decrease conversion process, therefore, this device can effectively prevent testing result otherness large, easy erroneous judgement, the shortcoming that detection efficiency is low, achieves simple and direct quick detection, simplifies testing process.Improve detection efficiency, reduce labour intensity, reduce testing cost.This device have structure simple, use easy to operate, measurement result is reliable and stable, easily processing, the feature that cost is low.Both can qualitative detection, also can quantitatively detect.
Because the present invention adopts property on probation to detect, when pitch-row is qualified, and because hole itself is crooked or not bowlder, measure bearing pin and can insert to enter in measured hole, therefore, avoid size detection qualified, and the situation that cannot use, improve the degree accurately and reliably of measurement.And this device can read concrete numerical value just can judge whether qualified, because this simplify measuring process, improve detection efficiency, when the quantity in hole is more, once can measure two pitch-rows simultaneously, substantially increase detection efficiency, when there being reading requirement to pitch-row, graduation indication due to this measurement device axle is just in time positioned at the center measuring axle, the namely center in hole, therefore reading directly reflects pitch-row size, and avoiding can not direct center distance between holes with slide calliper rule, also will add and subtract the drawback of aperture size after measurement.Also accuracy and the efficiency of measurement can be improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and wherein, 1a is front view, and 1b is vertical view.In figure:
1. alignment pin; 2. the first positioning baseplate; 3. slidiing pin; 4. the second positioning baseplate
Embodiment
The present embodiment is a kind of clamp for detect aperture distance, comprises the first positioning baseplate 2, second positioning baseplate 4, alignment pin 1 and two slidiing pins 3.Wherein, the thickness direction of first positioning baseplate 2 one end is stepped, and the thickness direction of second positioning baseplate 4 one end is also stepped, and the ladder of the first positioning baseplate 2 is measure-alike with the stepped profile of the second positioning baseplate 4, direction is contrary.The lower surface of described first positioning baseplate 2 one end ladder and the upper surface of described second positioning baseplate 4 one end ladder bonded to each other, make mutually to overlap between the first positioning baseplate 2 and the second positioning baseplate 4, composition associating frock.
The length L of described positioning baseplate determines according to pitch-row S, the aperture D of width B by measured hole of positioning baseplate and the lateral attitude in hole.Substrate thickness Z determines according to substrate rigidity, too thin yielding, and too thick use is inconvenient.In the present embodiment, the thickness >=8mm of positioning baseplate, pitch-row S ≈ 1.05L, the width >=8D of positioning baseplate.The unit of the physical dimension of described positioning baseplate is millimeter.
One end of cascaded surface is had all to have through hole for installing alignment pin 1 at described first positioning baseplate 2 and the second positioning baseplate 4, after the first positioning baseplate 2 and the second positioning baseplate 4 overlap, the location realizing between the two by alignment pin 1.The bar hole for installing slidiing pin 3 is all had without one end of cascaded surface at described first positioning baseplate 2 and the second positioning baseplate 4, there is scale at the edge of the length direction of this bar hole, be convenient to carry out accurate quantification measurement, be positioned at described in two slidiing pins 3 are arranged on respectively on the first positioning baseplate 2 and bar hole on the second positioning baseplate 4.The length direction of each bar hole is consistent with the length direction of described first positioning baseplate 2 and the second positioning baseplate 4, and the length of straigh line of each bar hole is determined by pitch-row tolerance.Described pitch-row tolerance is the tolerance of the centre distance in the hole of designing requirement.In the present embodiment, the centre distance in the technical requirement hole of design is 446mm, and dimensional tolerence is ± 1mm, namely the length S acceptability limit of pitch-row is 445mm≤S≤447mm, for the centre distance in the hole of 446mm, its pitch-row tolerance is 2mm, namely slidiing pin can in bar hole 2mm scope in slide.The diameter that the total length of bar hole is the interlude of bearing pin adds the dimensional tolerence of measured hole apart from designing requirement.The scope of activities at bar hole length direction of slidiing pin is the tolerance of tested metering-orifice centre distance, and namely slidiing pin and alignment pin distance zone of reasonableness are designing requirement 445mm≤S≤447mm, to guarantee that measurement result meets drawing technical requirement.
Each bar hole on described first positioning baseplate 2 and the second positioning baseplate 4 and pilot hole are all positioned at the side of described first positioning baseplate 2 and the second positioning baseplate 4 length direction center line, and make the extended line of the center line of each bar hole length direction crossing with the center of circle of pilot hole.
The length of described first positioning baseplate 2 and the second positioning baseplate 4 is all determined according to the pitch-row of tested metering-orifice, and width is determined by the aperture of tested metering-orifice.In the present embodiment, measured hole is 96 M4 screws of line spread, and pitch-row is 446 ± 1mm, and aperture is M4 screw, therefore the length of described first positioning baseplate 2 and the second positioning baseplate 4 is 450mm, and width is 30mm, and substrate thickness is 8mm.
Described alignment pin adopts and makes through modified tool steel.This alignment pin is three grades of multidiameters, and the minimum outer diameter section of one end is as measuring section, and the external peripheral surface of this measuring section is the conical surfaces of 2 ° of degree, is convenient to measuring section between bearing pin and tested metering-orifice is accurately located; The maximum gauge of described measuring section is identical with tested aperture, and with measured hole interference engagement, to guarantee registration.The middle part of this alignment pin is positioning section, and the diameter of described positioning section is identical with the diameter of described pilot hole, and makes interference engagement between the positioning section of alignment pin and pilot hole.In the present embodiment, the maximum gauge of measuring section is 3.25mm, and minimum diameter is 3.10mm.During measurement, measuring section is inserted in tested metering-orifice, and make positioning section be positioned at the pilot hole of each positioning baseplate, play positioning action.
The structure of described two slidiing pins 3 is identical with the structure of alignment pin 1.During use, two slidiing pin 3 measuring sections insert in tested metering-orifice, and make maximum gauge place and the measured hole interference engagement of described measuring section, to guarantee registration.Positioning section in the middle part of two slidiing pins 3 is positioned at each bar hole, and slide in described each bar hole, if the minimum diameter section of described two slidiing pin 3 measuring sections can be inserted in measured hole, the pitch-row size qualification of measured hole is described, otherwise inaccuracy of dimensions is described.
During installation, described first positioning baseplate 2 and the second positioning baseplate 4 are overlapped mutually, and connected by alignment pin, alignment pin and positioning baseplate adopt interference fit, guarantee to loosen, guarantee measuring accuracy.Slidiing pin is arranged in bar hole, and adjusts the installation site of this slidiing pin according to the margin tolerance of measured hole pitch-row.
The present embodiment effectively prevent in testing process easily judge by accident, testing cost is high and detection efficiency is low shortcoming, have that testing result is reliable, testing cost is low, and a feature that detection efficiency is high.
Claims (4)
1. for a clamp for detect aperture distance, it is characterized in that, comprise the first positioning baseplate, the second positioning baseplate, alignment pin and two slidiing pins; Wherein, the thickness direction of first positioning baseplate one end is stepped, and the thickness direction of second positioning baseplate one end is also stepped, and the ladder of the first positioning baseplate is measure-alike with the stepped profile of the second positioning baseplate, direction is contrary; The lower surface of described first positioning baseplate one end ladder and the upper surface of described second positioning baseplate one end ladder bonded to each other, make mutually overlap and fix between the first positioning baseplate and the second positioning baseplate; All there is the bar hole for installing slidiing pin at described first positioning baseplate and the second positioning baseplate without one end of cascaded surface, being positioned on the first positioning baseplate described in two slidiing pins are arranged on respectively and bar hole on the second positioning baseplate.
2. as claimed in claim 1 for the clamp of detect aperture distance, it is characterized in that, the length direction of described each bar hole is consistent with the length direction of described first positioning baseplate and the second positioning baseplate, and the length of straigh line of each bar hole is determined by pitch-row tolerance.
3. as claimed in claim 1 for the clamp of detect aperture distance, it is characterized in that, each bar hole on described first positioning baseplate and the second positioning baseplate and pilot hole are all positioned at the side of described first positioning baseplate and the second positioning baseplate length direction center line, and make the extended line of each bar hole length direction center line crossing with the center of circle of pilot hole.
4. as claimed in claim 1 for the clamp of detect aperture distance, it is characterized in that, described alignment pin one end is measuring section, and the external peripheral surface of this measuring section is the conical surface of 2 ° of degree; The maximum gauge of described measuring section is identical with tested aperture, and with measured hole interference engagement, to guarantee registration; The middle part of this alignment pin is positioning section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499347.0U CN204064194U (en) | 2014-09-01 | 2014-09-01 | A kind of clamp for detect aperture distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499347.0U CN204064194U (en) | 2014-09-01 | 2014-09-01 | A kind of clamp for detect aperture distance |
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| CN204064194U true CN204064194U (en) | 2014-12-31 |
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| CN201420499347.0U Expired - Fee Related CN204064194U (en) | 2014-09-01 | 2014-09-01 | A kind of clamp for detect aperture distance |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352388A (en) * | 2015-11-25 | 2016-02-24 | 重庆渝记涵诚机械制造有限公司 | Hole site testing fixture |
| CN105865286A (en) * | 2016-06-02 | 2016-08-17 | 常州市金海珑机械制造有限公司 | Mechanical part hole pitch tolerance measuring test tool convenient to use |
| CN106123724A (en) * | 2016-06-13 | 2016-11-16 | 上海理工大学 | A kind of three index sync detection devices of small space structure-steel framing installing hole |
| CN106289008A (en) * | 2016-08-25 | 2017-01-04 | 西安航天动力机械厂 | A kind of detecting tool of solid engines hull outside part assembly precision |
| CN106949812A (en) * | 2017-05-19 | 2017-07-14 | 合肥德捷节能环保科技有限公司 | A kind of cubing for being used to detect long cylindrical workpiece |
| CN108317930A (en) * | 2018-02-13 | 2018-07-24 | 中核(天津)科技发展有限公司 | The hole-distance detecting device and detection method of steelframe long range circular hole |
| CN109141190A (en) * | 2018-09-11 | 2019-01-04 | 上海瑞纽机械股份有限公司 | A kind of measuring device of three leaf profiled holes pitch-row of nuclear power unit heat exchanger supports plate |
| CN109238074A (en) * | 2018-10-30 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of rotary type cylinder head fuel oil hole position accuracy measuring device and its application method |
| CN109839047A (en) * | 2019-03-14 | 2019-06-04 | 江苏理工学院 | A kind of piece surface hole site and center are away from dimension detection tool |
| CN110057273A (en) * | 2019-05-31 | 2019-07-26 | 桂林电子科技大学 | A kind of twin shaft diameter tolerance and wheelbase device for fast detecting |
| CN110230966A (en) * | 2019-06-06 | 2019-09-13 | 中信戴卡股份有限公司 | A kind of position metric |
| CN112484606A (en) * | 2020-11-20 | 2021-03-12 | 昌河飞机工业（集团）有限责任公司 | Mounting angle positioning detection tool and method |
| CN115265318A (en) * | 2022-09-27 | 2022-11-01 | 成都和鸿科技股份有限公司 | Arc step measuring tool and method |
-
2014
- 2014-09-01 CN CN201420499347.0U patent/CN204064194U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352388A (en) * | 2015-11-25 | 2016-02-24 | 重庆渝记涵诚机械制造有限公司 | Hole site testing fixture |
| CN105865286A (en) * | 2016-06-02 | 2016-08-17 | 常州市金海珑机械制造有限公司 | Mechanical part hole pitch tolerance measuring test tool convenient to use |
| CN106123724A (en) * | 2016-06-13 | 2016-11-16 | 上海理工大学 | A kind of three index sync detection devices of small space structure-steel framing installing hole |
| CN106289008A (en) * | 2016-08-25 | 2017-01-04 | 西安航天动力机械厂 | A kind of detecting tool of solid engines hull outside part assembly precision |
| CN106949812A (en) * | 2017-05-19 | 2017-07-14 | 合肥德捷节能环保科技有限公司 | A kind of cubing for being used to detect long cylindrical workpiece |
| CN108317930A (en) * | 2018-02-13 | 2018-07-24 | 中核(天津)科技发展有限公司 | The hole-distance detecting device and detection method of steelframe long range circular hole |
| CN109141190B (en) * | 2018-09-11 | 2024-05-17 | 上海瑞纽机械股份有限公司 | Measuring device for three-leaf special-shaped hole pitch of heat exchanger supporting plate of nuclear power unit |
| CN109141190A (en) * | 2018-09-11 | 2019-01-04 | 上海瑞纽机械股份有限公司 | A kind of measuring device of three leaf profiled holes pitch-row of nuclear power unit heat exchanger supports plate |
| CN109238074A (en) * | 2018-10-30 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of rotary type cylinder head fuel oil hole position accuracy measuring device and its application method |
| CN109839047A (en) * | 2019-03-14 | 2019-06-04 | 江苏理工学院 | A kind of piece surface hole site and center are away from dimension detection tool |
| CN110057273B (en) * | 2019-05-31 | 2023-09-29 | 桂林电子科技大学 | Quick detection device for diameter tolerance and wheelbase of double shafts |
| CN110057273A (en) * | 2019-05-31 | 2019-07-26 | 桂林电子科技大学 | A kind of twin shaft diameter tolerance and wheelbase device for fast detecting |
| CN110230966A (en) * | 2019-06-06 | 2019-09-13 | 中信戴卡股份有限公司 | A kind of position metric |
| CN110230966B (en) * | 2019-06-06 | 2024-05-14 | 中信戴卡股份有限公司 | Position gauge |
| CN112484606A (en) * | 2020-11-20 | 2021-03-12 | 昌河飞机工业（集团）有限责任公司 | Mounting angle positioning detection tool and method |
| CN115265318A (en) * | 2022-09-27 | 2022-11-01 | 成都和鸿科技股份有限公司 | Arc step measuring tool and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170901 |