CN109141334A - A kind of radian detecting device - Google Patents
A kind of radian detecting device Download PDFInfo
- Publication number
- CN109141334A CN109141334A CN201811014168.2A CN201811014168A CN109141334A CN 109141334 A CN109141334 A CN 109141334A CN 201811014168 A CN201811014168 A CN 201811014168A CN 109141334 A CN109141334 A CN 109141334A
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- China
- Prior art keywords
- measurement
- radian
- detecting device
- workpiece
- rotating fulcrum
- Prior art date
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- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 93
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000011982 device technology Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to detection device technology fields, and in particular to a kind of radian detecting device, comprising: pedestal；Locating piece is installed on the pedestal, to support workpiece for measurement；Ratio enlargement mechanism, include: measuring rod, can the relatively described pedestal rotate, the measuring rod have measurement end and be pressed against end, the measurement end can contact the workpiece for measurement lower surface, and the distance for being pressed against end apart from rotating fulcrum is greater than distance of the measurement end apart from rotating fulcrum；Digital display radian instrument, to be in contact with the pressing end, workpiece for measurement drives the pressing end to act on the digital display radian instrument after acting on the measurement end.Radian detecting device provided by the invention, it is pressed against distance of the end apart from rotating fulcrum and is greater than distance of the measurement end apart from rotating fulcrum, it thus can be by value detected by digital display radian instrument multiplied by the ratio of the distance at measuring rod both ends to rotating fulcrum, so that the measuring range of radian detecting device becomes larger.
Description
Technical field
The present invention relates to detection device technology fields, and in particular to a kind of radian detecting device.
Background technique
Carbon slipper is commonly used for the important component of electric locomotive, electric power light rail and subway etc., and working environment easily leads to carbon
Slide plate failure, once failure will seriously jeopardize traffic safety, therefore it is required that its properties must satisfy design requirement, with true
Protect the stable operation of electric locomotive etc..
The manufacturing process requirement of carbon slipper is very high, especially carbon item and the cooperation of the radian of aluminium support, therefore carbon item and aluminium support add
The detection of work radian is extremely important, and the radian detecting device often having on the market cannot meet this demand, the amount of measurement well
Journey is not big enough.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming radian detecting device measuring range in the prior art not
Enough big defects, to provide a kind of radian detecting device.
In order to solve this problem, the present invention provides a kind of radian detecting devices, comprising:
Pedestal；
Locating piece is installed on pedestal, to support workpiece for measurement；
Ratio enlargement mechanism, comprising: measuring rod, can the relatively described pedestal rotate, the measuring rod have measurement end
With pressing end, the measurement end can contact the workpiece for measurement lower surface, and the distance for being pressed against end apart from rotating fulcrum
Distance greater than the measurement end apart from rotating fulcrum；
Digital display radian instrument, to be in contact with the pressing end, described in workpiece for measurement is acted on after the measurement end and driven
End is pressed against to act on the digital display radian instrument.
Further include:
Fixed link, is installed on the locating piece and passes through the measuring rod, and the measuring rod is to turn with the fixed link
Activity supporting point rotation.
The measuring rod includes the body of rod, and be connected to the body of rod both ends the measurement end and the pressing end, institute
State measurement end and the pressing end can the relatively described body of rod rotate.
The position that the measurement end and the pressing end are connected with the body of rod is provided with fastener.
The position that the locating piece contacts the workpiece for measurement is designed as tip-angled shape.
The locating piece quantity is two, and the distance between two described locating pieces are 50-200mm.
The position of workpiece for measurement described in the measurement end in contact is centrum.
The rotating fulcrum is arranged on the pedestal, and the measuring rod rotates around the pedestal.
Technical solution of the present invention has the advantages that
1. radian detecting device provided by the invention, locating piece are installed on pedestal, the measurement termination of ratio enlargement mechanism
Workpiece for measurement lower surface is touched, distance of the end apart from rotating fulcrum is pressed against and is greater than distance of the measurement end apart from rotating fulcrum, ratio is put
The setting of great institutions in this way, by value detected by digital display radian instrument multiplied by the distance at measuring rod both ends to rotating fulcrum
Ratio, so that the measuring range of radian detecting device becomes larger.
2. radian detecting device provided by the invention, fixed link is installed on locating piece and passes through measuring rod, so that measurement
Bar can be rotated by rotating fulcrum of fixed link, and a lever is collectively formed in fixed link and measuring rod, can be by measuring rod both ends
Measurement end and be pressed against end be linked together, in addition, measurement end and be pressed against end can also rotate with respect to the body of rod, ensure that survey
Amount end and pressing end are adjusted because of the variation of workpiece for measurement.
3. radian detecting device provided by the invention is additionally provided at the position that measurement end and pressing end are connected with the body of rod
Fastener, such setting can to avoid cause during measurement because of misoperation measurement end and be pressed against end deviate position
It sets.
4. radian detecting device provided by the invention, tip-angled shape is designed as at the position of locating piece contact measured workpiece, two
The distance between a locating piece is designed as 50-200mm, and the design of tip-angled shape can make locating piece and workpiece for measurement contact position
Straight line avoids causing because contact area is excessive measurement from large error occur, and the distance between locating piece can also be according to wanting
The measurement distance for changing measurement workpiece is sought, the design of this two o'clock can effectively improve measurement accuracy.
5. the position of radian detecting device provided by the invention, measurement end contact measured workpiece is centrum, can make in this way
The position of measurement end contact measured workpiece become a point, contact area is smaller, and the precision of measurement is higher, in addition rotating fulcrum with
Locating piece is connected, and locating piece is fixed on the base again, ensure that the stabilization of rotating fulcrum, so that measuring rod can be sent out around pedestal
Raw rotation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the radian detecting device provided in one embodiment of the present invention；
Fig. 2 is the front view of radian detecting device shown in FIG. 1；
Fig. 3 is the side view of radian detecting device shown in FIG. 1；
Fig. 4 is the rearview of radian detecting device shown in FIG. 1；
Description of symbols:
1- pedestal；2- locating piece；3- measuring rod；
4- measurement end；5- is pressed against end；6- digital display radian instrument；
7- fixed link；8- fastener；9- support；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
A kind of specific embodiment of radian detecting device as shown in Figs 1-4, comprising: pedestal 1；Locating piece 2, is installed on
On the pedestal 1, to support workpiece for measurement；Ratio enlargement mechanism, comprising: measuring rod 3, it can the relatively described generation turn of pedestal 1
Dynamic, the measuring rod 3 has measurement end 4 and is pressed against end 5, and the measurement end 4 can contact the workpiece for measurement lower surface, and institute
It states and is pressed against distance of the end 5 apart from rotating fulcrum greater than distance of the measurement end 4 apart from rotating fulcrum；Digital display radian instrument 6, to
It is in contact with the pressing end 5, workpiece for measurement drives the pressing end 5 to act on the digital display after acting on the measurement end 4
On radian instrument 6.
In the present embodiment, locating piece 2 is installed on pedestal 1, the 4 contact measured workpiece following table of measurement end of ratio enlargement mechanism
Face is pressed against distance of the end 5 apart from rotating fulcrum and is greater than distance of the measurement end 4 apart from rotating fulcrum, and ratio enlargement mechanism passes through this
The setting of sample, by value detected by digital display radian instrument 6 multiplied by the ratio of the distance at 3 both ends of measuring rod to rotating fulcrum, so that
The measuring range of radian detecting device becomes larger.
Certainly, in the present embodiment, the distance of measurement end 4 and pressing end 5 apart from rotating fulcrum can make adjustment appropriate,
It is possible as long as being suitble to the measurement of workpiece for measurement, in practical application, is preferably met using the ratio of 4:1 in the present embodiment
Measurement demand had not only increased range but also had been unlikely to waste material.
Further, the radian detecting device in the present embodiment further include: fixed link 7 is installed on the locating piece 2 and wears
The measuring rod 3 is crossed, the measuring rod 3 is rotating fulcrum rotation with the fixed link 7.
In the present embodiment, the measuring rod 3 includes the body of rod, and is connected to 4 He of the measurement end at the body of rod both ends
The pressing end 5, the measurement end 4 and the pressing end 5 can the relatively described body of rod rotate.
In the present embodiment, fixed link 7 is installed on locating piece 2 and passes through measuring rod 3, enables measuring rod 3 with fixation
Bar 7 is rotating fulcrum rotation, and a lever is collectively formed in fixed link 7 and measuring rod 3, can be by the measurement end 4 at 3 both ends of measuring rod
It is linked together with end 5 is pressed against, in addition, measurement end 4 and pressing end 5 can also rotate with respect to the body of rod, ensure that measurement end 4
It is adjusted with end 5 is pressed against because of the variation of workpiece for measurement.
Certainly, fixed link 7 employed in the present embodiment is also an option that other forms but function phase as rotating fulcrum
Same component, for example bracket is as rotating fulcrum.
Further, the position that the measurement end 4 and the pressing end 5 are connected with the body of rod is provided with fastener 8.
As shown in Figure 1, being additionally provided with fastening at the position that measurement end 4 and pressing end 5 are connected with the body of rod in the present embodiment
Part 8, such setting can to avoid cause during measurement because of misoperation measurement end 4 and be pressed against 5 from deviating from the position of end.
Fastener 8 employed in the present embodiment can be a variety of patterns, such as fastened by screw or intermeshing portion
Part, as long as can play the role of fastening measurement end 4 and be pressed against end 5.
In the present embodiment, the position that the locating piece 2 contacts the workpiece for measurement is designed as tip-angled shape.
In the present embodiment, 2 quantity of locating piece is two, and the distance between two described locating pieces 2 are 50-
200mm。
In the present embodiment, tip-angled shape is designed as at the position of 2 contact measured workpiece of locating piece, between two locating pieces 2
Distance is designed as 50-200mm, and the design of tip-angled shape can make locating piece 2 and workpiece for measurement contact position straight line, avoid
Measurement is caused large error occur because contact area is excessive, the distance between locating piece 2 can also measure work according to requiring to change
The measurement distance of part, the design of this two o'clock can effectively improve measurement accuracy.
The shape of locating piece 2 and apart from can make adjustment in the present embodiment, using arc or rectangular contact work to be measured
Part finds that its error is all bigger than using the locating piece of tip-angled shape in actual operation, and therefore, locating piece 2 uses in the present embodiment
Tip-angled shape design.
Certainly, the spacing between locating piece 2 can also equally make adjustment, and find in actual operation, position when two
For part spacing in 100mm, error is less than 2%, when spacing is in 200mm, error less than 3%, and spacing be less than it is then right when 100mm
The distance of workpiece for measurement measurement is too small, and therefore, in the present embodiment, preferably the distance between locating piece uses 100mm.
Further, it is centrum that the measurement end 4, which contacts the position of the workpiece for measurement,.
Further, the rotating fulcrum is arranged on the pedestal 1, and the measuring rod 3 rotates around the pedestal 1.
In the present embodiment, the position of 4 contact measured workpiece of measurement end is centrum, can make 4 contact measured of measurement end in this way
The position of workpiece becomes a point, and contact area is smaller, and the precision of measurement is higher, and in addition rotating fulcrum is connected with locating piece 2,
Locating piece 2 is fixed on pedestal 1 again, ensure that the stabilization of rotating fulcrum, so that measuring rod 3 can rotate around pedestal 1.
In the present embodiment, as shown in Figures 3 and 4, digital display radian instrument 6 can be fixed on pedestal 1 by the way of support 9,
Digital display radian instrument is in contact by support 9 with being pressed against end 5.
Radian detecting device in the present embodiment, using the ratio enlargement mechanism of lever pattern, by putting workpiece for measurement
On the positioning element, then the radian value of workpiece for measurement is reacted in digital display radian by the measurement end and pressing end at measuring rod both ends
On instrument, the ratio of lever is bigger, and the range of measurement is bigger, in addition, in the present embodiment, the locating piece tip-angled shape of radian detecting device
Design, the design of locating piece spacing and the design of measurement end centrum can improve detection accuracy, the number that digital display radian instrument obtains
It is both last radian value multiplied by lever ratio.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of radian detecting device characterized by comprising
Pedestal (1)；
Locating piece (2) is installed on the pedestal (1), to support workpiece for measurement；
Ratio enlargement mechanism, comprising: measuring rod (3), can the relatively described pedestal (1) rotate, the measuring rod (3) have survey
Measure end (4) and pressing end (5), the measurement end (4) can contact the workpiece for measurement lower surface, and the pressing end (5) away from
It is greater than the distance of the measurement end (4) apart from rotating fulcrum with a distance from rotating fulcrum；
Digital display radian instrument (6), to be in contact with the pressing end (5), workpiece for measurement acts on the measurement end (4) and drives afterwards
The pressing end (5) acts on the digital display radian instrument (6).
2. radian detecting device according to claim 1, which is characterized in that
Further include:
Fixed link (7) is installed on the locating piece (2) and passes through the measuring rod (3), and the measuring rod (3) is with described solid
Fixed pole (7) is rotating fulcrum rotation.
3. radian detecting device according to claim 1, which is characterized in that the measuring rod (3) includes the body of rod, Yi Jilian
The measurement end (4) at the body of rod both ends and the pressing end (5) are connect, the measurement end (4) and the pressing end (5) can
The relatively described body of rod rotates.
4. radian detecting device according to claim 3, which is characterized in that the measurement end (4) and the pressing end (5)
The position being connected with the body of rod is provided with fastener (8).
5. radian detecting device according to claim 1 to 4, which is characterized in that described in locating piece (2) contact
The position of workpiece for measurement is designed as tip-angled shape.
6. radian detecting device according to claim 5, which is characterized in that locating piece (2) quantity is two, and two
The distance between a described locating piece (2) is 50-200mm.
7. radian detecting device according to claim 6, which is characterized in that the measurement end (4) contacts the work to be measured
The position of part is centrum.
8. radian detecting device according to claim 7, which is characterized in that the rotating fulcrum is arranged in the pedestal
(1) on, the measuring rod (3) rotates around the pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014168.2A CN109141334A (en) | 2018-08-31 | 2018-08-31 | A kind of radian detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014168.2A CN109141334A (en) | 2018-08-31 | 2018-08-31 | A kind of radian detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141334A true CN109141334A (en) | 2019-01-04 |
Family
ID=64826229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014168.2A Pending CN109141334A (en) | 2018-08-31 | 2018-08-31 | A kind of radian detecting device |
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| CN (1) | CN109141334A (en) |
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| CN105180776A (en) * | 2015-09-10 | 2015-12-23 | 天津市热处理研究所有限公司 | Heat treatment workpiece arc surface measurer |
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| CN107504881A (en) * | 2017-09-22 | 2017-12-22 | 江门市力泰科技有限公司 | A kind of lever detecting tool for detecting height |
| CN208937005U (en) * | 2018-08-31 | 2019-06-04 | 北京万高众业科技股份有限公司 | A kind of radian detecting device |
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2018
- 2018-08-31 CN CN201811014168.2A patent/CN109141334A/en active Pending
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| US4777731A (en) * | 1987-11-30 | 1988-10-18 | Dimitrios Favvas | Taper-measuring device and method |
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