CN106524879A - Dovetail groove angle measuring device - Google Patents
Dovetail groove angle measuring device Download PDFInfo
- Publication number
- CN106524879A CN106524879A CN201611179999.6A CN201611179999A CN106524879A CN 106524879 A CN106524879 A CN 106524879A CN 201611179999 A CN201611179999 A CN 201611179999A CN 106524879 A CN106524879 A CN 106524879A
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- Prior art keywords
- dovetail groove
- slide
- slide gauge
- circular arc
- gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
- G01B5/0028—Brakes, brakeshoes, clutches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a dovetail groove angle measuring device. The device comprises two vernier calipers. Each of the two vernier calipers is provided with an inner measuring jaw and an outer measuring jaw. The inner measuring jaw and the outer measuring jaw are provided with circular-arc-shaped measuring ends configured to be in contact with the groove wall of a dovetail groove. The circular-arc-shaped measuring ends of the inner measuring jaw and the outer measuring jaw of each vernier caliper are the same in the radius of the circular arc. The circular-arc-shaped measuring ends of the two vernier calipers are different in the radius of the circular arc.
Description
Technical field
The present invention relates to survey tool technical field, and in particular to a kind of dovetail groove angle measurement unit.
Background technology
As railroad train is to the trend of high speed development, there is higher requirement to train braking, in train disc type system
In dynamic system, brake pad is one of key components and partss, and existing brake pad generally adopts dovetail type interface, dovetail type interface side
Formula is the interface that International Union of Railways (UIC) standard specifies, with extensive versatility, the installation of brake lining, dismounting are simple and convenient.
Therefore, the angle of dovetail becomes one of critical size of brake lining,
Prior art such as Publication No. CN202719937U discloses a kind of dovetail groove verifying attachment, as shown in figure 9, its bag
Handle 21 and detection body 22 are included, the detection body 22 is isosceles trapezoid in the cross section on its length direction,
Width of the width of its upper surface less than bottom surface；Described handle 21 is connected with detection body 22 at upper surface.
However, in the prior art, dovetail groove verifying attachment is placed in dovetail groove to be checked, if be not placed into
Go, illustrate that dovetail groove is too small, off-dimension；If just by illustrating that dovetail groove is qualified.Verifying attachment cannot measure workpiece
The exact value of size, and the standard definite for " just by " neither one, the requirement to operator are higher, easily
There is larger error even measuring error.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome dovetail groove verifying attachment of the prior art, it is impossible to surveyed
The exact value of workpiece size, and the standard definite for " just by " neither one are measured, larger mistake easily occurs
The problem of difference even measuring error, so as to provide a kind of dovetail groove angle measurement unit, including：
Two slide gaugies, are respectively provided with internal measure-hand and exterior measuring measuring jaw per the slide gauge, the internal measure-hand and
Exterior measuring measuring jaw has the circular arc measurement end for being suitable to contact with the cell wall of the dovetail groove, same in the slide gauge
Measuring claw is identical with the arc radius of the circular arc measurement end of exterior measuring measuring jaw；The circular arc measurement of two differences slide gauge
The arc radius at end are different.
The point of contact line N of the circular arc measurement end of two slide gaugies and tested dovetail groove, with tested dovetail groove
The lenth ratio of hypotenuse M is more than or equal to 0.5 and is less than 1.
The lenth ratio of the point of contact line N and hypotenuse M is more than or equal to 0.8 and is less than 1.
The internal measure-hand and exterior measuring measuring jaw of the slide gauge are arranged on the same side of the main scale of slide gauge and are located at
In same horizontal line.
The internal measure-hand is located at the inner side of the exterior measuring measuring jaw, the internal measure-hand being disposed adjacent and the external pelivimetry
The inversion T-shaped structure that pawl is formed in one, the T-shaped head of the end of the inversion T-shaped structure are respectively provided on two sides with the circular arc
Measurement end.
The circular arc measurement end is cylindrical gauge head or spheric probe.
A kind of method for measuring dovetail tongue angle using described dovetail groove angle measurement unit, the dovetail groove angle
Two slide gaugies of measurement apparatus are respectively the first slide gauge and the second slide gauge, and the method is comprised the following steps：
S1) using the internal measure-hand clamping dovetail tongue two sides on the first slide gauge, draw width value a；
S2) using the internal measure-hand clamping dovetail tongue two sides on the second slide gauge, draw width value b；
S3) according to the width value a and width value b, calculated by formula and be arranged on the dovetail tongue both sides
The first groove tilt angle theta 1.
The tilt angle theta 1 in step S3 is calculated by formula 1-1, and the formula 1-1 is：
θ 1=2arctan, wherein；...........1-1
Angles of inclination of the θ 1 for the first groove of dovetail tongue；
R is the circular arc radius of the circular arc measurement end of the first slide gauge；
R is the circular arc radius of the circular arc measurement end of the second slide gauge；
A is the length value measured by the first slide gauge；
B is the length value measured by the second slide gauge.
A kind of method for measuring dovetail groove angle using described dovetail groove angle measurement unit, the dovetail groove angle
Two slide gaugies of measurement apparatus are respectively the first slide gauge and the second slide gauge, and the method is comprised the following steps：
S1) using the exterior measuring measuring jaw clamping dovetail groove two sides on the first slide gauge, draw width value c；
S2) using the exterior measuring measuring jaw clamping dovetail groove two sides on the second slide gauge, draw width value d；
S3) according to the width value c and width value d, calculated by formula and be arranged on the dovetail groove both sides
The second groove tilt angle theta 2.
The tilt angle theta 2 in step S3 is calculated by formula 1-2, and the formula 1-2 is：
θ 2=2arctan, wherein；...........1-2
Angles of inclination of the θ 2 for the second groove of dovetail groove；
R is the circular arc radius of the circular arc measurement end of the first slide gauge；
R is the circular arc radius of the circular arc measurement end of the second slide gauge；
C is the length value measured by the first slide gauge；
D is the length value measured by the second slide gauge.
Technical solution of the present invention, has the advantage that：
1. the dovetail groove angle measurement unit that the present invention is provided, the width by two vernier caliper measurement dovetail grooves are approximate
Value is calculated by formula again and can accurately measure the exact value of dovetail tongue or dovetail groove, and have it is simple to operate and
Measure accurately and reliably advantage.
2. the present invention provide dovetail groove angle measurement unit, the circular arc measurement end of two slide gaugies with it is tested
The point of contact line N of dovetail groove, is more than or equal to 0.5 and less than 1 with the lenth ratio of the hypotenuse M of tested dovetail groove, wherein N and M's
Lenth ratio is infinitely close to 1 for optimal value, and N increases the gauge head radial difference on two slide gaugies with M ratios close to 1
Greatly, reduce measurement error, be conducive to improving the measurement accuracy of measurement apparatus.
3. the dovetail groove angle measurement unit that the present invention is provided, the internal measure-hand and exterior measuring measuring jaw of slide gauge are arranged on trip
The same side of the main scale of mark slide calliper rule and be located in same horizontal line, with facilitate operator's measurement, take up room it is little excellent
Point.
4. the present invention provide dovetail groove angle measurement unit, measuring claw be inverted T-shaped structure, the T-shaped head left and right sides
Circular arc measurement end is equipped with, and dovetail tongue or dovetail groove can have both been measured using two slide gaugies, with applicable model
Enclose wide, the low and portable advantage of use cost.
5. the dovetail groove angle measurement unit that the present invention is provided, circular arc measurement end are cylindrical gauge head, with the dovetail line of rabbet joint
Contact is not susceptible to skew, has the advantages that to improve measurement apparatus measurement accuracy.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The dovetail groove angle measurement unit structural representation that Fig. 1 is provided for the present invention；
Fig. 2 is the present invention circular arc measurement end for providing and the connection diagram for being inverted T-shaped structure；
Fig. 3 is the present invention cylindrical gauge head for providing and the attachment structure schematic diagram for being inverted T-shaped structure；
Position view during the angle measurement unit measurement dovetail tongue that Fig. 4 is provided for the present invention；
Position view during the angle measurement unit measurement dovetail groove that Fig. 5 is provided for the present invention；
Structural representation during the angle measurement unit measurement dovetail tongue that Fig. 6 is provided for the present invention；
Structural representation during the angle measurement unit measurement dovetail groove that Fig. 7 is provided for the present invention；
Probe location schematic diagram during the cylindrical gauge head measurement dovetail tongue that Fig. 8 is provided for the present invention；
Fig. 9 is the schematic perspective view of dovetail groove verifying attachment in prior art.
Description of reference numerals：
1- slide gaugies；2- internal measure-hands；3- exterior measuring measuring jaws；4- circular arc measurement ends；5- main scales；6- is inverted T-shaped knot
Structure；The first slide gaugies of 7-；8- dovetail tongues；The second slide gaugies of 9-；The first grooves of 10-；11- dovetail grooves；12- second is recessed
Groove；13- cylinder gauge heads；21- handles；22- detects body.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as additionally, the non-structure each other of technical characteristic involved in invention described below different embodiments
Can just be combined with each other into conflict.
Embodiment 1
Independent claims 1 describe a kind of dovetail groove angle measurement unit, as shown in figure 1, including：
Two slide gaugies 1, are respectively provided with internal measure-hand 2 and exterior measuring measuring jaw 3 per the slide gauge 1, described in same handle
The measurement end of the internal measure-hand 2 and exterior measuring measuring jaw 3 of slide gauge 1 is diameter identical cylinder gauge head 13；Two different institutes
The diameter for stating the cylindrical gauge head 13 of slide gauge 1 is different.
Above-mentioned dovetail groove angle measurement unit, by the width approximation of two vernier caliper measurement dovetail grooves again by public affairs
Formula calculates the exact value that can accurately measure dovetail tongue or dovetail groove, and there is simple to operate and measurement accurately may be used
The advantage leaned on；
Above-mentioned measurement end is cylindrical gauge head, is not susceptible to skew with dovetail groove linear contact lay, surveys with measurement apparatus are improved
The advantage of amount accuracy.
Specifically, as shown in figure 8, the cylindrical gauge head 13 of two slide gaugies 1 is connected with the point of contact of tested dovetail groove
Line N, is more than or equal to 0.5 with the lenth ratio of the hypotenuse M of tested dovetail groove and is less than 1.
Specifically, as shown in figure 8, the lenth ratio of the point of contact line N and hypotenuse M is more than or equal to 0.8 and is less than
1。
Above-mentioned dovetail groove angle measurement unit, the point of contact line N of the gauge head of two slide gaugies and tested dovetail groove,
It is more than or equal to 0.5 and less than 1 with the lenth ratio of the hypotenuse M of tested dovetail groove, the lenth ratio of wherein N and M is infinitely close to 1
For optimal value, N makes the gauge head radial difference on two slide gaugies increase with M ratios close to 1, reduces measurement error, favorably
In the measurement accuracy for improving measurement apparatus.
Specifically, as shown in figure 3, the internal measure-hand 2 and exterior measuring measuring jaw 3 of the slide gauge 1 are arranged on slide gauge
The same side of main scale 5 and be located at same horizontal line on.
The internal measure-hand and exterior measuring measuring jaw of above-mentioned slide gauge be arranged on the same side of the main scale of slide gauge and
In same horizontal line, have the advantages that to facilitate operator's measurement, take up room it is little.
Specifically, as shown in Fig. 2 the internal measure-hand 2 is located at the inner side of the exterior measuring measuring jaw 3, what is be disposed adjacent is described
The inversion T-shaped structure 6 that internal measure-hand 2 is formed in one with the exterior measuring measuring jaw 3, the T-shaped of the end for being inverted T-shaped structure 6
Head is respectively provided on two sides with the cylindrical gauge head 13.
Above-mentioned dovetail groove angle measurement unit, measuring claw are inverted T-shaped structure, and the T-shaped head left and right sides is equipped with spherical
Gauge head, can both measure dovetail tongue or dovetail groove using two slide gaugies, low with applied widely, use cost
With portable advantage.
Specifically, as shown in Figure 4 and Figure 6, it is a kind of using described dovetail groove angle measurement unit measurement dovetail tongue angle
The measuring method of degree, two slide gaugies 1 of the dovetail groove angle measurement unit are respectively the first slide gauge 7 and the second trip
Mark slide calliper rule 9, the method is comprised the following steps：：
S1) using 2 clamping dovetail tongue of internal measure-hand, 8 two sides on the first slide gauge 7, draw width value a；
S2) using 2 clamping dovetail tongue of internal measure-hand, 8 two sides on the second slide gauge 9, draw width value b；
S3) according to the width value a and width value b, calculated by formula and be arranged on 8 both sides of dovetail tongue
The first groove 10 tilt angle theta1。
In the measuring method of above-mentioned measurement dovetail tongue angle,
The tilt angle theta in step S31Calculated by formula 1-1, the formula 1-1 is：
Wherein
θ1For the angle of inclination of the first groove 10 of dovetail tongue 8；
R is 13 radius of cylindrical gauge head of the first slide gauge 7；
R is 13 radius of cylindrical gauge head of the second slide gauge 9；
A is the length value measured by the first slide gauge 7；
B is the length value measured by the second slide gauge 9.
Embodiment 2
A kind of dovetail groove angle measurement unit, as shown in figures 1 and 3, including：
Two slide gaugies 1, are respectively provided with internal measure-hand 2 and exterior measuring measuring jaw 3 per the slide gauge 1, described in same handle
The measurement end of the internal measure-hand 2 and exterior measuring measuring jaw 3 of slide gauge 1 is diameter identical cylinder gauge head 13；Two different institutes
The diameter for stating the cylindrical gauge head 13 of slide gauge 1 is different.
Above-mentioned dovetail groove angle measurement unit, by the width approximation of two vernier caliper measurement dovetail grooves again by public affairs
Formula calculates the exact value that can accurately measure dovetail tongue or dovetail groove, and there is simple to operate and measurement accurately may be used
The advantage leaned on；
Above-mentioned measurement end is cylindrical gauge head, is not susceptible to skew with dovetail groove linear contact lay, surveys with measurement apparatus are improved
The advantage of amount accuracy.
Specifically, as shown in figure 8, the cylindrical gauge head 13 of two slide gaugies 1 is connected with the point of contact of tested dovetail groove
Line N, is more than or equal to 0.5 with the lenth ratio of the hypotenuse M of tested dovetail groove and is less than 1.
Specifically, as shown in figure 8, the lenth ratio of the point of contact line N and hypotenuse M is more than or equal to 0.9 and is less than
1。
Above-mentioned dovetail groove angle measurement unit, the point of contact line N of the gauge head of two slide gaugies and tested dovetail groove,
It is more than or equal to 0.5 and less than 1 with the lenth ratio of the hypotenuse M of tested dovetail groove, the lenth ratio of wherein N and M is infinitely close to 1
For optimal value, N makes the gauge head radial difference on two slide gaugies increase with M ratios close to 1, reduces measurement error, favorably
In the measurement accuracy for improving measurement apparatus.
Specifically, as shown in Fig. 2 the internal measure-hand 2 and exterior measuring measuring jaw 3 of the slide gauge 1 are arranged on slide gauge
The same side of main scale 5 and be located at same horizontal line on.
The internal measure-hand and exterior measuring measuring jaw of above-mentioned slide gauge be arranged on the same side of the main scale of slide gauge and
In same horizontal line, have the advantages that to facilitate operator's measurement, take up room it is little.
Specifically, as shown in Fig. 2 the internal measure-hand 2 is located at the inner side of the exterior measuring measuring jaw 3, what is be disposed adjacent is described
The inversion T-shaped structure 6 that internal measure-hand 2 is formed in one with the exterior measuring measuring jaw 3, the T-shaped of the end for being inverted T-shaped structure 6
Head is respectively provided on two sides with the cylindrical gauge head 13.
Above-mentioned dovetail groove angle measurement unit, measuring claw are inverted T-shaped structure, and the T-shaped head left and right sides is equipped with spherical
Gauge head, can both measure dovetail tongue or dovetail groove using two slide gaugies, low with applied widely, use cost
With portable advantage.
Specifically, as shown in figure 5 and figure 7, a kind of use dovetail groove angle measurement unit measures the survey of dovetail groove angle
Amount method, two slide gaugies 1 of the dovetail groove angle measurement unit are respectively the first slide gauge 7 and the second slide gauge
9, the method is comprised the following steps：
S1) using 3 clamping dovetail groove of exterior measuring measuring jaw, 11 two sides on the first slide gauge 7, draw width value c；
S2) using 3 clamping dovetail groove of exterior measuring measuring jaw, 11 two sides on the second slide gauge 9, draw width value d；
S3) according to the width value c and width value d, calculated by formula and be arranged on 11 liang of the dovetail groove
The tilt angle theta of the second groove 12 of side2。
In the measuring method of above-mentioned measurement dovetail groove angle,
The tilt angle theta in step S32Calculated by formula 1-2, the formula 1-1 is：
Wherein
θ2For the angle of inclination of the second groove 12 of dovetail groove 11；
R is 13 radius of cylindrical gauge head of the first slide gauge 7；
R is 13 radius of cylindrical gauge head of the second slide gauge 9；
C is the length value measured by the first slide gauge 7；
D is the length value measured by the second slide gauge 9.
Embodiment 3
A kind of dovetail groove angle measurement unit, as shown in figure 1, including：
Two slide gaugies 1, are respectively provided with internal measure-hand 2 and exterior measuring measuring jaw 3 per the slide gauge 1, described in same handle
The measurement end of the internal measure-hand 2 and exterior measuring measuring jaw 3 of slide gauge 1 is diameter identical spheric probe；Two different trips
The diameter of the spheric probe of mark slide calliper rule 1 is different.
Above-mentioned dovetail groove angle measurement unit, by the width approximation of two vernier caliper measurement dovetail grooves again by public affairs
Formula calculates the exact value that can accurately measure dovetail tongue or dovetail groove, and there is simple to operate and measurement accurately may be used
The advantage leaned on.
Specifically, as shown in figure 8, the point of contact line N of the spheric probe of two slide gaugies 1 and tested dovetail groove,
It is more than or equal to 0.5 with the lenth ratio of the hypotenuse M of tested dovetail groove and is less than 1.
Specifically, as shown in figure 8, the lenth ratio of the point of contact line N and hypotenuse M is more than or equal to 0.9 and is less than
1。
Above-mentioned dovetail groove angle measurement unit, the point of contact line N of the gauge head of two slide gaugies and tested dovetail groove,
It is more than or equal to 0.5 and less than 1 with the lenth ratio of the hypotenuse M of tested dovetail groove, the lenth ratio of wherein N and M is infinitely close to 1
For optimal value, N makes the gauge head radial difference on two slide gaugies increase with M ratios close to 1, reduces measurement error, favorably
In the measurement accuracy for improving measurement apparatus.
Specifically, as shown in Fig. 2 the internal measure-hand 2 and exterior measuring measuring jaw 3 of the slide gauge 1 are arranged on slide gauge
The same side of main scale 5 and be located at same horizontal line on.
The internal measure-hand and exterior measuring measuring jaw of above-mentioned slide gauge be arranged on the same side of the main scale of slide gauge and
In same horizontal line, have the advantages that to facilitate operator's measurement, take up room it is little.
Specifically, as shown in Fig. 2 the internal measure-hand 2 is located at the inner side of the exterior measuring measuring jaw 3, what is be disposed adjacent is described
The inversion T-shaped structure 6 that internal measure-hand 2 is formed in one with the exterior measuring measuring jaw 3, the T-shaped of the end for being inverted T-shaped structure 6
Head is respectively provided on two sides with the spheric probe.
Above-mentioned dovetail groove angle measurement unit, measuring claw are inverted T-shaped structure, and the T-shaped head left and right sides is equipped with spherical
Gauge head, can both measure dovetail tongue or dovetail groove using two slide gaugies, low with applied widely, use cost
With portable advantage.
Specifically, as shown in figure 5 and figure 7, a kind of use dovetail groove angle measurement unit measures the survey of dovetail groove angle
Amount method, two slide gaugies 1 of the dovetail groove angle measurement unit are respectively the first slide gauge 7 and the second slide gauge
9, the method is comprised the following steps：
S1) using 3 clamping dovetail groove of exterior measuring measuring jaw, 11 two sides on the first slide gauge 7, draw width value c；
S2) using 3 clamping dovetail groove of exterior measuring measuring jaw, 11 two sides on the second slide gauge 9, draw width value d；
S3) according to the width value c and width value d, calculated by formula and be arranged on 11 liang of the dovetail groove
The tilt angle theta of the second groove 12 of side2。
In the measuring method of above-mentioned measurement dovetail groove angle,
The tilt angle theta in step S32Calculated by formula 1-2, the formula 1-1 is：
Wherein
θ2For the angle of inclination of the second groove 12 of dovetail groove 11；
R is the spheric probe radius of the first slide gauge 7；
R is the spheric probe radius of the second slide gauge 9；
C is the length value measured by the first slide gauge 7；
D is the length value measured by the second slide gauge 9.
Claims (10)
1. a kind of dovetail groove angle measurement unit, it is characterised in that include：
Two slide gaugies (1), are respectively provided with internal measure-hand (2) and exterior measuring measuring jaw (3) per the slide gauge (1), described interior
Measuring claw (2) and exterior measuring measuring jaw (3) are with the circular arc measurement end (4) for being suitable to contact with the cell wall of the dovetail groove, same
The internal measure-hand (2) of the slide gauge (1) identical with the arc radius of the circular arc measurement end (4) of exterior measuring measuring jaw (3)；Two
The arc radius of the circular arc measurement end (4) of the different slide gaugies (1) different.
2. angle measurement unit according to claim 1, it is characterised in that
The circular arc measurement end (4) of two slide gaugies (1) and the point of contact line N of tested dovetail groove, with tested dovetail groove
Hypotenuse M lenth ratio be more than or equal to 0.5 and be less than 1.
3. angle measurement unit according to claim 2, it is characterised in that the length of the point of contact line N and hypotenuse M
Degree ratio is more than or equal to 0.8 and is less than 1.
4. angle measurement unit according to claim 1, it is characterised in that the internal measure-hand (2) of the slide gauge (1)
With the same side of the main scale (5) that exterior measuring measuring jaw (3) is arranged on slide gauge and it is located in same horizontal line.
5. angle measurement unit according to claim 4, it is characterised in that the internal measure-hand (2) is positioned at the exterior measuring
The inner side of measuring jaw (3), the internal measure-hand (2) being disposed adjacent are tied with the inversion T-shaped that the exterior measuring measuring jaw (3) is formed in one
Structure (6), the T-shaped head of the end for being inverted T-shaped structure (6) are respectively provided on two sides with the circular arc measurement end (4).
6. the angle measurement unit according to any one of claim 1-5, it is characterised in that the circular arc measurement end
(4) it is cylindrical gauge head (13) or spheric probe.
7. a kind of dovetail groove angle measurement unit of use as described in any one of claim 1-6 measures the side of dovetail tongue angle
Method, two slide gaugies (1) of the dovetail groove angle measurement unit are respectively the first slide gauge (7) and the second slide gauge
(9), it is characterised in that the method is comprised the following steps：
S1) using internal measure-hand (2) clamping dovetail tongue (8) two sides on the first slide gauge (7), draw width value a；
S2) using internal measure-hand (2) clamping dovetail tongue (8) two sides on the second slide gauge (9), draw width value b；
S3) according to the width value a and width value b, calculated by formula and be arranged on dovetail tongue (8) both sides
The tilt angle theta of the first groove (10)1。
8. it is according to claim 7 measurement dovetail tongue angle method, it is characterised in that
The tilt angle theta in step S31Calculated by formula 1-1, the formula 1-1 is：
Wherein
θ1For the angle of inclination of first groove (10) of dovetail tongue (8)；
Circular arc radiuses of the r for the circular arc measurement end (4) of the first slide gauge (7)；
Circular arc radiuses of the R for the circular arc measurement end (4) of the second slide gauge (9)；
A is the length value measured by the first slide gauge (7)；
B is the length value measured by the second slide gauge (9).
9. a kind of dovetail groove angle measurement unit of use as described in any one of claim 1-6 measures the side of dovetail groove angle
Method, two slide gaugies (1) of the dovetail groove angle measurement unit are respectively the first slide gauge (7) and the second slide gauge
(9), it is characterised in that the method is comprised the following steps：
S1) using exterior measuring measuring jaw (3) clamping dovetail groove (11) two sides on the first slide gauge (7), draw width value c；
S2) using exterior measuring measuring jaw (3) clamping dovetail groove (11) two sides on the second slide gauge (9), draw width value d；
S3) according to the width value c and width value d, calculated by formula and be arranged on the dovetail groove (11) both sides
The second groove (12) tilt angle theta2。
10. it is according to claim 9 measurement dovetail groove angle method, it is characterised in that
The tilt angle theta in step S32Calculated by formula 1-2, the formula 1-2 is：
Wherein
θ2For the angle of inclination of second groove (12) of dovetail groove (11)；
Circular arc radiuses of the r for the circular arc measurement end (4) of the first slide gauge (7)；
Circular arc radiuses of the R for the circular arc measurement end (4) of the second slide gauge (9)；
C is the length value measured by the first slide gauge (7)；
D is the length value measured by the second slide gauge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179999.6A CN106524879B (en) | 2016-12-19 | 2016-12-19 | Dovetail groove angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179999.6A CN106524879B (en) | 2016-12-19 | 2016-12-19 | Dovetail groove angle measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN106524879A true CN106524879A (en) | 2017-03-22 |
| CN106524879B CN106524879B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611179999.6A Active CN106524879B (en) | 2016-12-19 | 2016-12-19 | Dovetail groove angle measuring device |
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| CN110044311A (en) * | 2019-04-26 | 2019-07-23 | 江苏理工学院 | A kind of dovetail groove guide rail slide unit measuring device and its measurement method |
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| CN110044311A (en) * | 2019-04-26 | 2019-07-23 | 江苏理工学院 | A kind of dovetail groove guide rail slide unit measuring device and its measurement method |
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