CN102121814A - Tool for measuring perpendicularity of workpiece - Google Patents
Tool for measuring perpendicularity of workpiece Download PDFInfo
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- CN102121814A CN102121814A CN 201010598534 CN201010598534A CN102121814A CN 102121814 A CN102121814 A CN 102121814A CN 201010598534 CN201010598534 CN 201010598534 CN 201010598534 A CN201010598534 A CN 201010598534A CN 102121814 A CN102121814 A CN 102121814A
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- swing span
- workpiece
- fixed mount
- screw thread
- measurement instrument
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- 238000005259 measurement Methods 0.000 claims description 80
- 239000012467 final product Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001915 proofreading effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
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Abstract
The invention discloses a tool for measuring perpendicularity of a workpiece, comprising a flat base (1), an upright (2) arranged on the flat base (1), a swinging rack (3) hinged with the upright (2) and a lead screw (7), wherein the swinging rack (3) is provided with two measuring heads (6) in a sliding way, the lead screw is respectively in screw-thread fit with the two measuring heads (6) and is axially positioned on the swinging rack (3), the two ends of the lead screw (7) are respectively provided with a first screw thread and a second screw thread which have opposite turning directions, and the two measuring heads (6) are respectively matched with the first screw thread and the second screw thread. In the invention, the lead screw is arranged and axially positioned on the swinging rack, and the two measuring heads are respectively matched with the first screw thread and the second screw thread of the lead screw; since the first screw thread and the second screw thread have opposite turning directions, the two measuring heads can move in the same direction or opposite directions when the lead screw is rotated, and the distance between the two measuring heads is changed so as to be suitable for workpieces to be measured in different sizes.
Description
Technical field
The present invention relates to the survey instrument technical field, particularly a kind of workpiece squareness measurement instrument.
Background technology
Component of machine all has position degree accuracy requirement, and wherein the verticality precision is important quality index, and which kind of quality index all needs just can be made the quantification conclusion by detecting.90 ° of angle squares are adopted in the detection of verticality at present mostly, and the gap method is measured.With the not only inaccurate efficient of this gage measuring verticality but also low, the conclusion state of some part then can't be measured.
Application number is the measurer that 02292649.6 Chinese patent discloses a kind of detection of vertical degree, it comprises by base and the main scale that constitutes with the perpendicular scale of base, it also comprises clamp plate type vernier scale and rotating shaft, the clamp plate type vernier scale is contained on the scale of main scale by rotating shaft and the clamp plate type vernier scale can rotate around the shaft, at the top of scale and clamp plate type vernier scale symmetrical tolerance reticule can be arranged respectively.Wherein, the outside of clamp plate type vernier scale has two measuring heads, during measurement, measured piece is placed on the base, and make this measured piece be close to two measuring heads, make the clamp plate type vernier scale rotate to the equilibrium position around the shaft, this moment, clamp plate type vernier scale and scale relatively rotated, and the scale difference that reads the two top is the verticality value.
Because the spacing of two measuring heads of the clamp plate type vernier scale of above-mentioned measurer is a certain value, can't satisfy the squareness measurement of the workpiece for measurement of various sizes.
Summary of the invention
In view of this, the invention provides a kind of workpiece squareness measurement instrument, to adapt to the squareness measurement of various sizes workpiece for measurement.
For achieving the above object, the invention provides following technical scheme:
A kind of workpiece squareness measurement instrument comprises:
Flat base;
Be arranged on the column on the described flat base;
The swing span hinged with described column slidably is provided with two measuring heads on this swing span;
With two described measuring head threaded engagement and the leading screw of axial location on described swing span, the two ends of this leading screw have the first opposite screw thread of rotation direction and second screw thread respectively, two described measuring heads respectively with described first screw thread and second threaded engagement.
Preferably, in above-mentioned workpiece squareness measurement instrument, also comprise measurement mechanism and the fixed mount that is arranged on the described column, described swing span and described fixed mount are hinged, and described measurement mechanism is arranged between described swing span and the described fixed mount.
Preferably, in above-mentioned workpiece squareness measurement instrument, described fixed mount is provided with and first extension that extends to described column direction, and described measurement mechanism is arranged on described first extension.
Preferably, in above-mentioned workpiece squareness measurement instrument, described fixed mount is provided with to horizontally extending second extension, and described swing span is provided with the 3rd extension that extends to horizontal direction, and described measurement mechanism is arranged between described second extension and described the 3rd extension.
Preferably, in above-mentioned workpiece squareness measurement instrument, between described first screw thread and second screw thread, be provided with the adjustment knob on the described leading screw.
Preferably, in above-mentioned workpiece squareness measurement instrument, described measurement mechanism is a clock gauge, and the gauge rod of described clock gauge is fixed on in described swing span and the described fixed mount one, and the gauge outfit on the described gauge rod and described swing span link to each other with in the described fixed mount another.
Preferably, in above-mentioned workpiece squareness measurement instrument, described measurement mechanism is a dial gauge, and the gauge rod of described dial gauge is fixed on in described swing span and the described fixed mount one, and the gauge outfit on the described gauge rod and described swing span link to each other with in the described fixed mount another.
Preferably, in above-mentioned workpiece squareness measurement instrument, described measurement mechanism comprises the tester that is arranged on the resistance strain gage between described swing span and the described fixed mount and is electrically connected with this resistance strain gage.
Preferably, in above-mentioned workpiece squareness measurement instrument, described swing span is provided with scale along the direction of described leading screw.
Preferably, in above-mentioned workpiece squareness measurement instrument, two described measuring heads are symmetrical arranged with the rotation center of swing span.
From above-mentioned technical scheme as can be seen, the present invention is by being provided with a leading screw, and with this lead screw shaft to being positioned on the swing span, and make two measuring heads respectively with first screw thread and second threads engaged of this leading screw.Because the rotation direction of first screw thread and second screw thread is opposite, so by rotating threaded shaft the time, two measuring heads can move to identical or opposite direction respectively, thereby change the distance between two measuring heads, to adapt to the workpiece for measurement of different size.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the workpiece squareness measurement instrument that Fig. 1 provides for the embodiment of the invention one;
The structural representation of the workpiece squareness measurement instrument that Fig. 2 provides for the embodiment of the invention two;
The structural representation of the workpiece squareness measurement instrument that Fig. 3 provides for the embodiment of the invention three;
The structural representation of the workpiece squareness measurement instrument that Fig. 4 provides for the embodiment of the invention four.
Embodiment
The invention discloses a kind of workpiece squareness measurement instrument, to adapt to the squareness measurement of various sizes workpiece for measurement.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
See also Fig. 1-Fig. 4, the structural representation of the workpiece squareness measurement instrument that Fig. 1 provides for the embodiment of the invention one; The structural representation of the workpiece squareness measurement instrument that Fig. 2 provides for the embodiment of the invention two; The structural representation of the workpiece squareness measurement instrument that Fig. 3 provides for the embodiment of the invention three; The structural representation of the workpiece squareness measurement instrument that Fig. 4 provides for the embodiment of the invention four.
Workpiece squareness measurement instrument provided by the invention comprises: flat base 1, column 2, swing span 3, leading screw 7 and measuring head 6.Wherein, column 2 is arranged on the described flat base 1, the riding position that has workpiece for measurement on the flat base 1, swing span 3 is hinged on the described column 2, slidably be provided with two measuring heads 6 on this swing span 3, be that measuring head 6 can move up and down along swing span 3, measuring head 6 can be pasted swing span 3 and be provided with, maybe measuring head 6 can be cooperated with swing span 3 slide rail types.Leading screw 7 axial location on swing span 3, and respectively with two described measuring head 6 threaded engagement, the two ends of this leading screw 7 have the first opposite screw thread of rotation direction and second screw thread, two described measuring heads 6 respectively with described first screw thread and second threaded engagement.Measurement data can be identical with existing measurement mechanism, promptly at the top of swing span 3 scale is set, and the reading that departs from column 2 by the scale of observing swing span 3 tops draws.Of the present inventionly focus on realizing that the spacing of two measuring heads 6 is adjustable.
The present invention is by being provided with a leading screw 7, and with these leading screw 7 axial location on swing span 3, and make two measuring heads 6 respectively with first screw thread and second threads engaged of this leading screw 7.Because the rotation direction of first screw thread and second screw thread is opposite, so by rotating threaded shaft 7 time, two measuring heads 6 can move to identical or opposite direction respectively, thereby change the distance between two measuring heads 6, to adapt to the workpiece for measurement of different size.
Between described first screw thread and second screw thread, be provided with on the leading screw 7 and adjust knob 5, adjust easily rotational lead screw 7 of knob 5 by rotation.In order to improve friction force, on the radially-outer surface of adjusting knob 5, be provided with the friction band.
In order further to optimize technique scheme, the present invention can also comprise measurement mechanism and the fixed mount 8 that is arranged on the described column 2, and described swing span 3 and described fixed mount 8 are hinged, and described measurement mechanism is arranged between described swing span 3 and the described fixed mount 8.Promptly more accurate in order to measure, this programme has saved the existing scale that is arranged on swing span 3 tops, replaces above-mentioned scale by measurement mechanism.This measurement mechanism can be clock gauge, dial gauge or digital measuring device.
Preferably, can conveniently observe the distance of two measuring heads 6 at swing span 3 along being provided with scale on the direction of described leading screw 7 apart from rotation center 4.Specifically the rotation center 4 of two described measuring heads 6 with swing span 3 can be symmetrical arranged, can conveniently calculate verticality.
As shown in Figure 3 and Figure 4, described fixed mount 8 is provided with and first extension that extends to described column 2 directions, and described measurement mechanism is arranged on described first extension.The setting of first extension is to provide measurement space and installation site for measurement mechanism.
As shown in Figure 3, when measurement mechanism is clock gauge 9, the gauge rod of clock gauge 9 can be fixed on in described swing span 3 and the described fixed mount 8 another link to each other (promptly the contacting) in the gauge outfit on the described gauge rod and described swing span 3 and the described fixed mount 8.Concrete, the gauge rod of clock gauge 9 can be fixed on first extension of described swing span 3, gauge outfit links to each other with described fixed mount 8.
During measurement, earlier the spacing of two measuring heads 6 is adjusted to correct position, and measure the distance of measuring head 6,, observe the reading and the zeroing of clock gauge 9 with standard proof-reading block snap two measuring heads 6 to the rotation center 4 of swing span 3.Then to be measured snap two measuring heads 6 are measured, utilize lever principle, close with to be measured at two measuring heads 6, swing span 3 is rotated with respect to fixed mount 8, can change so be fixed on the reading of the clock gauge 9 on the fixed mount 8, according to measuring head 6 distance to the distance of the rotation center 4 of swing span 3 and clock gauge 9 to rotation center 4, and according to the reading of clock gauge 9, calculate the deviation of two measuring heads 6, get final product to be measured verticality value.The measuring method of dial gauge repeats no more with above-mentioned identical.
As shown in Figure 4, when measurement mechanism is electronic tester, its resistance strain gage 10 can be arranged between swing span 3 and the described fixed mount 8, the tester 11 with demonstration and computing function is electrically connected with this resistance strain gage 10.
During measurement, earlier the spacing of two measuring heads 6 is adjusted to correct position, and measure the distance of measuring head 6, with the snap of standard proof-reading block two measuring heads 6, the reading of observation test instrument 11 and zeroing to the rotation center 4 of swing span 3.Then to be measured snap two measuring heads 6 are measured, utilize lever principle, close with to be measured at two measuring heads 6, swing span 3 is rotated with respect to fixed mount 8, so the resistance strain gage 10 that is fixed on the fixed mount 8 can change, according to measuring head 6 distance to the distance of the rotation center 4 of swing span 3 and resistance strain gage 10 to rotation center 4, and according to the reading of tester 11, tester 11 calculates the deviation of two measuring heads 6 automatically according to program, get final product to be measured verticality value.This kind as measurement mechanism, is suitable for electronic tester in the automated production, and its measuring speed is fast, and can calculate the verticality value automatically.
As depicted in figs. 1 and 2, fixed mount 8 is provided with to horizontally extending second extension, and described swing span 3 is provided with the 3rd extension that extends to horizontal direction, and described measurement mechanism is arranged between described second extension and described the 3rd extension.In the present embodiment, measurement mechanism is used horizontally disposed mode instead, and second extension and the 3rd extension provide installing space and the basis is installed for measurement mechanism.
As shown in Figure 1, when measurement mechanism is clock gauge 9, the gauge rod of clock gauge 9 can be fixed on in described swing span 3 and the described fixed mount 8 another link to each other (promptly the contacting) in the gauge outfit on the described gauge rod and described swing span 3 and the described fixed mount 8.Concrete, the gauge rod of clock gauge 9 can be fixed on first extension of described swing span 3, gauge outfit links to each other with described fixed mount 8.
During measurement, earlier the spacing of two measuring heads 6 is adjusted to correct position, and measure the distance of measuring head 6,, observe the reading and the zeroing of clock gauge 9 with standard proof-reading block snap two measuring heads 6 to the rotation center 4 of swing span 3.Then to be measured snap two measuring heads 6 are measured, utilize lever principle, close with to be measured at two measuring heads 6, swing span 3 is rotated with respect to fixed mount 8, can change so be fixed on the reading of the clock gauge 9 on the fixed mount 8, according to measuring head 6 distance to the distance of the rotation center 4 of swing span 3 and clock gauge 9 to rotation center 4, and according to the reading of clock gauge 9, calculate the deviation of two measuring heads 6, get final product to be measured verticality value.The measuring method of dial gauge repeats no more with above-mentioned identical.
As shown in Figure 2, when measurement mechanism is electronic tester, its resistance strain gage 10 can be arranged between swing span 3 and the described fixed mount 8, the tester 11 with demonstration and computing function is electrically connected with this resistance strain gage 10.
During measurement, earlier the spacing of two measuring heads 6 is adjusted to correct position, and measure the distance of measuring head 6, with the snap of standard proof-reading block two measuring heads 6, the reading of observation test instrument 11 and zeroing to the rotation center 4 of swing span 3.Then to be measured snap two measuring heads 6 are measured, utilize lever principle, close with to be measured at two measuring heads 6, swing span 3 is rotated with respect to fixed mount 8, so the resistance strain gage 10 that is fixed on the fixed mount 8 can change, according to measuring head 6 distance to the distance of the rotation center 4 of swing span 3 and resistance strain gage 10 to rotation center 4, and according to the reading of tester 11, tester 11 calculates the deviation of two measuring heads 6 automatically according to program, get final product to be measured verticality value.This kind as measurement mechanism, is suitable for electronic tester in the automated production, and its measuring speed is fast, and can calculate the verticality value automatically.
The present invention also can realize automatic detection, warning, carries out unattended.Can judge whether signal can be discerned part automatically qualified by resistance strain gage 10 and tester 11 outputs, and classification automatically.The present invention has improved efficiency of measurement, precision, has reduced operation easier, and can be applicable to automatic detection.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a workpiece squareness measurement instrument is characterized in that, comprising:
Flat base (1);
Be arranged on the column (2) on the described flat base (1);
The swing span (3) hinged with described column (2) slidably is provided with two measuring heads (6) on this swing span (3);
The leading screw (7) on described swing span (3) with two described measuring head (6) threaded engagement and axial location respectively, the two ends of this leading screw (7) have the first opposite screw thread of rotation direction and second screw thread, two described measuring heads (6) respectively with described first screw thread and second threaded engagement.
2. workpiece squareness measurement instrument as claimed in claim 1, it is characterized in that, also comprise measurement mechanism and the fixed mount (8) that is arranged on the described column (2), described swing span (3) is hinged with described fixed mount (8), and described measurement mechanism is arranged between described swing span (3) and the described fixed mount (8).
3. workpiece squareness measurement instrument as claimed in claim 2 is characterized in that, described fixed mount (8) is provided with and first extension that extends to described column (2) direction, and described measurement mechanism is arranged on described first extension.
4. workpiece squareness measurement instrument as claimed in claim 2, it is characterized in that, described fixed mount (8) is provided with to horizontally extending second extension, described swing span (3) is provided with the 3rd extension that extends to horizontal direction, and described measurement mechanism is arranged between described second extension and described the 3rd extension.
5. as each described workpiece squareness measurement instrument of claim 1-4, it is characterized in that described leading screw (7) is gone up to be provided with and adjusted knob (5) between described first screw thread and second screw thread.
6. as each described workpiece squareness measurement instrument of claim 2-4, it is characterized in that, described measurement mechanism is clock gauge (9), the gauge rod of described clock gauge (9) is fixed on in described swing span (3) and the described fixed mount (8) one, and the gauge outfit on the described gauge rod and described swing span (3) link to each other with in the described fixed mount (8) another.
7. as each described workpiece squareness measurement instrument of claim 2-4, it is characterized in that, described measurement mechanism is a dial gauge, the gauge rod of described dial gauge is fixed on in described swing span (3) and the described fixed mount (8) one, and the gauge outfit on the described gauge rod and described swing span (3) link to each other with in the described fixed mount (8) another.
8. as each described workpiece squareness measurement instrument of claim 2-4, it is characterized in that described measurement mechanism comprises the tester that is arranged on the resistance strain gage (10) between described swing span (3) and the described fixed mount (8) and is electrically connected with this resistance strain gage (10).
9. as each described workpiece squareness measurement instrument of claim 1-4, it is characterized in that described swing span (3) is provided with scale along the direction of described leading screw (7).
10. as each described workpiece squareness measurement instrument of claim 1-4, it is characterized in that two described measuring heads (6) are symmetrical arranged with the rotation center (4) of swing span (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010598534A CN102121814B (en) | 2010-12-21 | 2010-12-21 | Tool for measuring perpendicularity of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010598534A CN102121814B (en) | 2010-12-21 | 2010-12-21 | Tool for measuring perpendicularity of workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121814A true CN102121814A (en) | 2011-07-13 |
| CN102121814B CN102121814B (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010598534A Expired - Fee Related CN102121814B (en) | 2010-12-21 | 2010-12-21 | Tool for measuring perpendicularity of workpiece |
Country Status (1)
| Country | Link |
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| CN (1) | CN102121814B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980544A (en) * | 2012-11-29 | 2013-03-20 | 无锡麦铁精密机械制造有限公司 | Tooth chord length difference position degree detector of gear |
| CN104439557A (en) * | 2014-10-30 | 2015-03-25 | 上海电气集团上海电机厂有限公司 | Bearing bolt thread fit control method |
| CN104990486A (en) * | 2015-07-24 | 2015-10-21 | 湖州以创精工机械有限公司 | Workpiece verticality detection device |
| CN109341498A (en) * | 2018-11-21 | 2019-02-15 | 陕西渭河工模具有限公司 | A kind of Portable cylindrical testing apparatus for verticality and detection method |
| CN109764831A (en) * | 2019-03-21 | 2019-05-17 | 北京林业大学 | A non-contact type plate perpendicularity detection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141148A (en) * | 1976-10-08 | 1979-02-27 | Mitutoyo Mfg. Co., Ltd. | Contour measuring apparatus |
| JPH05248997A (en) * | 1992-03-09 | 1993-09-28 | Kuroda Precision Ind Ltd | Clamp device |
| CN201104201Y (en) * | 2007-10-10 | 2008-08-20 | 中国北车集团北京二七机车厂有限责任公司 | Checking tool for center position degree of machine fret |
| CN101545751A (en) * | 2008-03-25 | 2009-09-30 | 力帆实业(集团)股份有限公司 | Device and method for measuring verticality |
| CN201917308U (en) * | 2010-12-21 | 2011-08-03 | 重庆江利圣特机械制造有限责任公司 | Verticality measuring instrument |
-
2010
- 2010-12-21 CN CN201010598534A patent/CN102121814B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141148A (en) * | 1976-10-08 | 1979-02-27 | Mitutoyo Mfg. Co., Ltd. | Contour measuring apparatus |
| JPH05248997A (en) * | 1992-03-09 | 1993-09-28 | Kuroda Precision Ind Ltd | Clamp device |
| CN201104201Y (en) * | 2007-10-10 | 2008-08-20 | 中国北车集团北京二七机车厂有限责任公司 | Checking tool for center position degree of machine fret |
| CN101545751A (en) * | 2008-03-25 | 2009-09-30 | 力帆实业(集团)股份有限公司 | Device and method for measuring verticality |
| CN201917308U (en) * | 2010-12-21 | 2011-08-03 | 重庆江利圣特机械制造有限责任公司 | Verticality measuring instrument |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980544A (en) * | 2012-11-29 | 2013-03-20 | 无锡麦铁精密机械制造有限公司 | Tooth chord length difference position degree detector of gear |
| CN104439557A (en) * | 2014-10-30 | 2015-03-25 | 上海电气集团上海电机厂有限公司 | Bearing bolt thread fit control method |
| CN104990486A (en) * | 2015-07-24 | 2015-10-21 | 湖州以创精工机械有限公司 | Workpiece verticality detection device |
| CN109341498A (en) * | 2018-11-21 | 2019-02-15 | 陕西渭河工模具有限公司 | A kind of Portable cylindrical testing apparatus for verticality and detection method |
| CN109764831A (en) * | 2019-03-21 | 2019-05-17 | 北京林业大学 | A non-contact type plate perpendicularity detection device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102121814B (en) | 2012-10-24 |
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| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING FEILONG JIANGLI AUTO PARTS CO., LTD. Free format text: FORMER NAME: CHONG QING JAN SANT MACHINE MANUFACTURE CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Jiangbei District dashiba 400021 Chongqing City 2 Village Patentee after: Chongqing Jan Sant Auto Parts Co., Ltd. Address before: Jiangbei District dashiba 400021 Chongqing City 2 Village Patentee before: Chong Qing Jan Sant Machine Manufacture Co., Ltd. |
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Granted publication date: 20121024 Termination date: 20171221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |