CN102121814B - Tool for measuring perpendicularity of workpiece - Google Patents
Tool for measuring perpendicularity of workpiece Download PDFInfo
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- CN102121814B CN102121814B CN201010598534A CN201010598534A CN102121814B CN 102121814 B CN102121814 B CN 102121814B CN 201010598534 A CN201010598534 A CN 201010598534A CN 201010598534 A CN201010598534 A CN 201010598534A CN 102121814 B CN102121814 B CN 102121814B
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- swing span
- fixed mount
- screw thread
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- measuring heads
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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 need just can be made the quantification conclusion through 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 through 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 realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of workpiece squareness measurement instrument comprises:
Flat base;
Be arranged on the column on the said flat base;
The swing span hinged with said column slidably is provided with two measuring heads on this swing span;
With two said measuring head threaded engagement and the leading screw of axial location on said swing span, the two ends of this leading screw have the first opposite screw thread of rotation direction and second screw thread respectively, two said measuring heads respectively with said first screw thread and second threaded engagement.
Preferably, in above-mentioned workpiece squareness measurement instrument, also comprise measurement mechanism and be arranged on the fixed mount on the said column that said swing span and said fixed mount are hinged, said measurement mechanism is arranged between said swing span and the said fixed mount.
Preferably, in above-mentioned workpiece squareness measurement instrument, said fixed mount is provided with and first extension that extends to said column direction, and said measurement mechanism is arranged on said first extension.
Preferably; In above-mentioned workpiece squareness measurement instrument; Said fixed mount is provided with to horizontally extending second extension, and said swing span is provided with the 3rd extension that extends to horizontal direction, and said measurement mechanism is arranged between said second extension and said the 3rd extension.
Preferably, in above-mentioned workpiece squareness measurement instrument, between said first screw thread and second screw thread, be provided with the adjustment knob on the said leading screw.
Preferably; In above-mentioned workpiece squareness measurement instrument; Said measurement mechanism is a clock gauge, and the gauge rod of said clock gauge is fixed on in said swing span and the said fixed mount, and another in the gauge outfit on the said gauge rod and said swing span and the said fixed mount links to each other.
Preferably; In above-mentioned workpiece squareness measurement instrument; Said measurement mechanism is a dial gauge, and the gauge rod of said dial gauge is fixed on in said swing span and the said fixed mount, and another in the gauge outfit on the said gauge rod and said swing span and the said fixed mount links to each other.
Preferably, in above-mentioned workpiece squareness measurement instrument, said measurement mechanism comprises the tester that is arranged on the resistance strain gage between said swing span and the said fixed mount and is electrically connected with this resistance strain gage.
Preferably, in above-mentioned workpiece squareness measurement instrument, said swing span is provided with scale along the direction of said leading screw.
Preferably, in above-mentioned workpiece squareness measurement instrument, two said measuring heads are symmetrical set with the rotation center of swing span.
Can find out that from above-mentioned technical scheme the present invention is through 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 through 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; Obviously, the 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.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, 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 are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
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 said flat base 1, has the riding position of workpiece for measurement on the flat base 1, and swing span 3 is hinged on the said 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, can measuring head 6 be pasted swing span 3 and be provided with, maybe can measuring head 6 be cooperated with swing span 3 slide rail types.Leading screw 7 axial location on swing span 3, and respectively with two said 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 said measuring heads 6 respectively with said 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 through 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 through 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 through 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 said first screw thread and second screw thread, be provided with adjustment knob 5 on the leading screw 7, adjust easily rotational lead screw 7 of knob 5 through rotation.In order to improve friction force, on the radially-outer surface of adjustment knob 5, be provided with the friction band.
In order further to optimize technique scheme, the present invention can also comprise measurement mechanism and be arranged on the fixed mount 8 on the said column 2, and said swing span 3 is hinged with said fixed mount 8, and said measurement mechanism is arranged between said swing span 3 and the said 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 through 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 said leading screw 7 apart from rotation center 4.Specifically can the rotation center 4 of two said measuring heads 6 with swing span 3 be symmetrical set, can conveniently calculate verticality.
Like Fig. 3 and shown in Figure 4, said fixed mount 8 is provided with and first extension that extends to said column 2 directions, and said measurement mechanism is arranged on said first extension.The setting of first extension is for measurement mechanism measurement space and installation site to be provided.
As shown in Figure 3, when measurement mechanism is clock gauge 9, can the gauge rod of clock gauge 9 be fixed on in said swing span 3 and the said fixed mount 8 another link to each other (promptly the contacting) in the gauge outfit on the said gauge rod and said swing span 3 and the said fixed mount 8.Concrete, can the gauge rod of clock gauge 9 be fixed on first extension of said swing span 3, gauge outfit links to each other with said 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, are utilized lever principle, with to be measured near 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, can its resistance strain gage 10 be arranged between swing span 3 and the said 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 to the rotation center 4 of swing span 3, with standard proof-reading block snap two measuring heads 6, the reading of observation test appearance 11 and zeroing.Then to be measured snap two measuring heads 6 are measured, are utilized lever principle, with to be measured near 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 said swing span 3 is provided with the 3rd extension that extends to horizontal direction, and said measurement mechanism is arranged between said second extension and said the 3rd extension.In the present embodiment, measurement mechanism is used the mode of horizontal arrangement instead, and second extension and the 3rd extension are that measurement mechanism provides installing space and the basis is installed.
As shown in Figure 1, when measurement mechanism is clock gauge 9, can the gauge rod of clock gauge 9 be fixed on in said swing span 3 and the said fixed mount 8 another link to each other (promptly the contacting) in the gauge outfit on the said gauge rod and said swing span 3 and the said fixed mount 8.Concrete, can the gauge rod of clock gauge 9 be fixed on first extension of said swing span 3, gauge outfit links to each other with said 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, are utilized lever principle, with to be measured near 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, can its resistance strain gage 10 be arranged between swing span 3 and the said 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 to the rotation center 4 of swing span 3, with standard proof-reading block snap two measuring heads 6, the reading of observation test appearance 11 and zeroing.Then to be measured snap two measuring heads 6 are measured, are utilized lever principle, with to be measured near 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 export to judge whether signal can be discerned part automatically qualified through resistance strain gage 10 and tester 11, 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 General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. a workpiece squareness measurement instrument is characterized in that, comprising:
Flat base (1);
Be arranged on the column (2) on the said flat base (1);
Swing span (3) slidably is provided with two measuring heads (6) on this swing span (3);
Respectively with two said measuring head (6) threaded engagement and the leading screw (7) of axial location on said swing span (3); The two ends of this leading screw (7) have the first opposite screw thread of rotation direction and second screw thread, two said measuring heads (6) respectively with said first screw thread and second threaded engagement;
Measurement mechanism be arranged on the fixed mount (8) on the said column (2), said swing span (3) is hinged with said fixed mount (8), said measurement mechanism is arranged between said swing span (3) and the said fixed mount (8).
2. workpiece squareness measurement instrument as claimed in claim 1 is characterized in that, said fixed mount (8) is provided with and first extension that extends to said column (2) direction, and said measurement mechanism is arranged on said first extension.
3. workpiece squareness measurement instrument as claimed in claim 1; It is characterized in that; Said fixed mount (8) is provided with to horizontally extending second extension; Said swing span (3) is provided with the 3rd extension that extends to horizontal direction, and said measurement mechanism is arranged between said second extension and said the 3rd extension.
4. like each described workpiece squareness measurement instrument of claim 1-3, it is characterized in that said leading screw (7) is gone up and between said first screw thread and second screw thread, is provided with adjustment knob (5).
5. like each described workpiece squareness measurement instrument of claim 1-3; It is characterized in that; Said measurement mechanism is clock gauge (9); The gauge rod of said clock gauge (9) is fixed on in said swing span (3) and the said fixed mount (8), and another in the gauge outfit on the said gauge rod and said swing span (3) and the said fixed mount (8) links to each other.
6. like each described workpiece squareness measurement instrument of claim 1-3; It is characterized in that; Said measurement mechanism is a dial gauge; The gauge rod of said dial gauge is fixed on in said swing span (3) and the said fixed mount (8), and another in the gauge outfit on the said gauge rod and said swing span (3) and the said fixed mount (8) links to each other.
7. like each described workpiece squareness measurement instrument of claim 1-3; It is characterized in that said measurement mechanism comprises the tester that is arranged on the resistance strain gage (10) between said swing span (3) and the said fixed mount (8) and is electrically connected with this resistance strain gage (10).
8. like each described workpiece squareness measurement instrument of claim 1-3, it is characterized in that said swing span (3) is provided with scale along the direction of said leading screw (7).
9. like each described workpiece squareness measurement instrument of claim 1-3, it is characterized in that two said measuring heads (6) are symmetrical set 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 CN102121814A (en) | 2011-07-13 |
| CN102121814B true 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 |
|---|---|
| CN (1) | CN102121814B (en) |
Families Citing this family (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 |
| CN109764831B (en) * | 2019-03-21 | 2020-08-21 | 北京林业大学 | Non-contact type plate perpendicularity detection device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141148A (en) * | 1976-10-08 | 1979-02-27 | Mitutoyo Mfg. Co., Ltd. | Contour measuring apparatus |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05248997A (en) * | 1992-03-09 | 1993-09-28 | Kuroda Precision Ind Ltd | Clamp device |
-
2010
- 2010-12-21 CN CN201010598534A patent/CN102121814B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141148A (en) * | 1976-10-08 | 1979-02-27 | Mitutoyo Mfg. Co., Ltd. | Contour measuring apparatus |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-248997A 1993.09.28 |
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| CN102121814A (en) | 2011-07-13 |
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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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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20171221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |