CN106767616A - A kind of high accuracy axial length measurement device - Google Patents
A kind of high accuracy axial length measurement device Download PDFInfo
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- CN106767616A CN106767616A CN201611179368.4A CN201611179368A CN106767616A CN 106767616 A CN106767616 A CN 106767616A CN 201611179368 A CN201611179368 A CN 201611179368A CN 106767616 A CN106767616 A CN 106767616A
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- sleeve
- base
- high accuracy
- base plate
- axial length
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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
- 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
- G01B21/02—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 length, width, or thickness
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of high accuracy axial length measurement device, including：Base plate, base fixing bolt, sleeve base, top feeding bolt, top regulating bolt, guiding sleeve, first top, the second top, top fastening bolt, transiting rod and support column；Wherein, sleeve base is connected with the base plate；Guiding sleeve is connected with sleeve base；First top is embedded in the first cavity of guiding sleeve；Top regulating bolt is arranged at the side wall of sleeve base, top regulating bolt can adjustable guide sleeve in X-direction and the position of Y-direction；Sleeve base offers the second cavity, and the bottom that top feeding bolt passes through the hole that sleeve base is opened up top with first in the second cavity mutually crimps；Second top is connected by the top fastening bolt with one end of transiting rod；The upper end of support column is connected with the other end of transiting rod；The lower end of support column is connected with base plate.The present invention can realize efficient, the accurate on-position measure of high accuracy axial dimension.
Description
Technical field
The present invention relates to gyro machine part fields of measurement, more particularly to a kind of high accuracy axial length measurement device.
Background technology
The small sizes such as axle, high-precision part are the critical components of gyro machine, and its precision directly determines gyro machine
Performance And Reliability.Because the axial length dimension precision of axle is higher and every section of contact surface very little of axle, it is impossible to use slide measure
Measured Deng measurer.The axial length dimension of conventional axle is measured using traditional universal tool-measuring microscope, by omnipotent
Two top two ends center holes with axle of tool microscope coordinate the horizontal direction for realizing axle to hold fixation, and inspector needs
The corresponding line scale value of end face of every section of axle is read by compareing eyepiece, is then subtracted each other, draw the axial length chi of two ends axial plane
It is very little.
So in measurement process, operator need repeat similar action, repeatedly look for the corresponding line scale value of end face and and
Shi Jilu, when batch is larger, eyesight and mental consumption are very big, cause checkability low and there is the collimation error；Work as axial end
It is not that it is heavy with it that is, one axial end cannot accurately find a line when being substantially parallel with the line scale of the micro- instrument of multipurpose instrument (tool)
Close, now occurred as soon as cannot measurement problem, inspector needs to find respectively a peak and minimum point corresponding quarter
Degree line, calculates respectively, there is the collimation error.
The content of the invention
Present invention solves the technical problem that being：Compared to prior art, there is provided a kind of high accuracy axial length measurement dress
Put, realize efficient, the accurate on-position measure of high accuracy axial dimension.
The object of the invention is achieved by the following technical programs：A kind of high accuracy axial length measurement device, including：Bottom
Plate, base fixing bolt, sleeve base, top feeding bolt, top regulating bolt, guiding sleeve, first top, the second top
Sharp, top fastening bolt, transiting rod and support column；Wherein, the sleeve base is connected with the base plate；The guiding sleeve
It is connected with the sleeve base；Described first top is embedded in the first cavity of the guiding sleeve；The top regulation
Bolt is arranged at the side wall of the sleeve base, and the top regulating bolt can adjust the guiding sleeve in X-direction and Y side
To position；The sleeve base offers the second cavity, and the top feeding bolt passes through the sleeve in the second cavity
The hole that base the is opened up bottom top with described first mutually crimps；Described second it is top by the top fastening bolt with it is described
One end of transiting rod is connected；The upper end of the support column is connected with the other end of the transiting rod；Under the support column
End is connected with the base plate.
In above-mentioned high accuracy axial length measurement device, the sleeve base passes through base fixing screws and the base plate spiral shell
Line is connected.
In above-mentioned high accuracy axial length measurement device, the lower end of the support column passes through post fastening bolt and the base plate
Threaded connection.
In above-mentioned high accuracy axial length measurement device, the top of the base plate is provided with boss, and bottom offers base plate
Groove；Wherein, the sleeve base is connected with the boss of the base plate；The boss of the lower end of the support column and the base plate
It is connected.
In above-mentioned high accuracy axial length measurement device, the support column includes positioning table, transition cylinder and bottom surface cylinder；
Wherein, the positioning table, the transition cylinder and the bottom surface cylinder are sequentially connected and connect；The positioning table and the transiting rod
The other end is connected, wherein, the axial direction of the transiting rod is perpendicular with the axial direction of the support column；The bottom surface cylinder with it is described
Base plate is connected.
In above-mentioned high accuracy axial length measurement device, described second is top including top tip part and locating surface；Wherein, it is described
Top tip part is connected with the locating surface；One end of the transiting rod offers screwed hole, corresponding, and the locating surface is opened up
There is the first through hole matched with screwed hole；The top fastening bolt screws in the first screwed hole by first through hole.
In above-mentioned high accuracy axial length measurement device, the sleeve base offers circular trough, the guiding sleeve
Side wall is embedded at the circular trough.
In above-mentioned high accuracy axial length measurement device, the side wall of the sleeve base is uniformly offered along its circumferencial direction
Four the second screwed holes；Wherein, the quantity of the top regulating bolt is four, and each top regulating bolt screws in corresponding
Second screwed hole.
In above-mentioned high accuracy axial length measurement device, described first is top including the second top tip part, stage casing axle and bottom
Cylinder；Wherein, second top tip part, the stage casing axle and the bottom cylinder are sequentially connected and connect；First cavity is circle
Cylindrical cavity, the bottom cylinder is located in first cavity, the central axis of the bottom cylinder and first cavity
Central axis it is identical；The upper surface center of the guiding sleeve offers the second through hole, and the stage casing axle passes through described second
Through hole.
The present invention has the advantages that compared with prior art：
(1) structure of the invention can realize efficient, the accurate on-position measure of high accuracy axial dimension；
(2) present invention is by first top and the second top accurate alignment that can be realized to measuring cell；
(3) base plate of the invention forms a bottom plate groove in bottom surface, so as to reduce the weight of base plate, saves material
Material；
(4) present invention forms second cavity in sleeve base center section, for operator provides operation top feeding
Bolt rotation provides enough operating spaces, lifting operation feasibility and comfortableness.
Brief description of the drawings
Fig. 1 is the structural representation of high accuracy axial length measurement device of the invention；
Fig. 2 (a) is the schematic diagram of base plate of the invention；
Fig. 2 (b) is another schematic diagram of base plate of the invention；
Fig. 3 (a) is the schematic diagram of support column of the invention；
Fig. 3 (b) is another schematic diagram of support column of the invention；
Fig. 3 (c) is the another schematic diagram of support column of the invention；
Fig. 4 is the schematic diagram of transiting rod of the invention；
Fig. 5 (a) is the of the invention second top schematic diagram；
Fig. 5 (b) is of the invention second top another schematic diagram；
Fig. 5 (c) is the of the invention second top another schematic diagram；
Fig. 6 (a) is the schematic diagram of sleeve base of the invention；
Fig. 6 (b) is another schematic diagram of sleeve base of the invention；
Fig. 6 (c) is the another schematic diagram of sleeve base of the invention；
Fig. 7 (a) is the schematic diagram of guiding sleeve of the invention；
Fig. 7 (b) is another schematic diagram of guiding sleeve of the invention；
Fig. 8 is the of the invention first top schematic diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of high accuracy axial length measurement device of the invention.As shown in figure 1, the high accuracy axle
Include to length-measuring appliance：Base plate 1, sleeve base 3, top feeding bolt 4, top regulating bolt 5, guiding sleeve 6, first
Top 7, second top 8, top fastening bolt 9, transiting rod 10 and support column 12；Wherein,
Sleeve base 3 is connected with base plate 1.Specifically, sleeve base 3 is connected by base fixing screws 2 with the screw thread of base plate 1
Connect.
Guiding sleeve 6 is connected with sleeve base 3；
First top 7 is embedded in the first cavity 61 of guiding sleeve 6；
Top regulating bolt 5 is arranged at the side wall of sleeve base 3, top regulating bolt 5 can adjustable guide sleeve 6 in X
Direction and the position of Y-direction；
Sleeve base 3 offers the second cavity 31, and top feeding bolt 4 is opened in the second cavity 31 through sleeve base 3
If the bottom in hole top with first 7 mutually crimp.Specifically, by adjust it is top feeding bolt 4 can adjust first top 7
Vertically moved in Fig. 1.
Second top 8 is connected by top fastening bolt 9 with one end of transiting rod 10；
The upper end of support column 12 is connected with the other end of transiting rod 10；
The lower end of support column 12 is connected with base plate 1.
Specifically, base plate 1, sleeve base 3, guiding sleeve 6, first top 7, second top 8 and top fastening bolt 9 are adopted
Use 45# steel；Transiting rod 10 and support column 12 use 2A12 aluminium alloys, and from the point of view of apparatus structure, transiting rod 10 is overarm, fixation side
Formula is 4 screws that its left side coordinates, under gravity in the presence of a torque：L is transition
The total length of bar 10, G1 is the weight of transiting rod 10, and G2 is second top 8 and the weight of top fastening bolt 9, therefore to reduce as far as possible
Stress, the rigidity for increasing bar, transiting rod 10 use the preferable 2A12 aluminum alloy materials of rigidity.
Fig. 2 (a) is the schematic diagram of base plate of the invention；Fig. 2 (b) is another schematic diagram of base plate of the invention.Such as Fig. 2
A shown in () and Fig. 2 (b), the top of base plate 1 is provided with boss 110, and bottom offers bottom plate groove 120；Wherein, sleeve base 3
It is connected with the boss 110 of base plate 1；The lower end of support column 12 is connected with the boss 110 of base plate 1.
Specifically, forming boss 110 in the centre position on the top of base plate 1, bottom offers bottom plate groove 120, this side
Formula reduces support column and the contact area of base plate 1, sleeve base and the contact area of base plate 1, is conducive to lifting machined surface quality, reduces
Unnecessary processing capacity.8 M6 screwed holes 1101 are formed on boss 110, every four M6 screwed holes 1101 are one group, one of which
For support column to be connected with base plate 1, specifically, support column offers the hole corresponding with this group of M6 screwed hole 1101,
Post fastening bolt 13 through this group of M6 screwed hole 1101 opened up with support column it is corresponding with this group of M6 screwed hole 1101
With base plate 1 be connected support column by hole；Another group is used to be connected sleeve base with base plate 1, specifically, sleeve base is opened up
There is the hole corresponding with this group of M6 screwed hole 1101, post fastening bolt 13 passes through this group of M6 screwed hole 1101 and sleeve base
What is opened up is connected sleeve base with base plate 1 with this group of corresponding hole of M6 screwed holes 1101.Simultaneously between this two groups of screw threads
It is big away from the radius sum than support column and sleeve base greatest circle, prevent both from interfering when mounted, in addition binding face
It is boss 110, its width is bigger than the outside diameter of sleeve base and support column bottom surface, to ensure laminating degree.Formed in bottom surface
One bottom plate groove 120, so as to reduce the weight of base plate, saves material.
Fig. 3 (a) is the schematic diagram of support column of the invention；Fig. 3 (b) is another schematic diagram of support column of the invention；Fig. 3
C () is the another schematic diagram of support column of the invention.As shown in Fig. 3 (a), Fig. 3 (b) and Fig. 3 (c), support column 12 includes positioning
Platform 121, transition cylinder 122 and bottom surface cylinder 123；Wherein,
Positioning table 121, transition cylinder 122 and bottom surface cylinder 123 are sequentially connected and connect.Specifically, positioning table 121, transition circle
Post 122 and bottom surface cylinder 123 are integrally formed.
Positioning table 121 is connected with the other end of transiting rod 10, wherein, the axial direction of transiting rod 10 and the axial direction of support column 12
It is perpendicular.Specifically, positioning table 121 is connected with the left end (shown in Fig. 1) of transiting rod 10, further, positioning table 121 is opened up
There are four screwed holes, it is corresponding, corresponding screwed hole is offered in the left end of transiting rod 10, bar fastening bolt 11 passes through positioning
With transiting rod 10 be connected positioning table 121 with the corresponding screwed hole that the left end of transiting rod 10 is opened up by the screwed hole that platform 121 is opened up
Connect.
Bottom surface cylinder 123 is connected with base plate 1.Specifically, bottom surface cylinder 123 is by post fastening bolt 13 and the spiral shell of base plate 1
Line is connected.
Fig. 5 (a) is the of the invention second top schematic diagram；Fig. 5 (b) is of the invention second top another signal
Figure；Fig. 5 (c) is the of the invention second top another schematic diagram.As shown in Fig. 5 (a), Fig. 5 (b) and Fig. 5 (c), second top 8
Including top tip part 81 and locating surface 82；Wherein,
Top tip part 81 is connected with locating surface 82.Specifically, top tip part 81 and locating surface 82 are integrally formed.
Fig. 4 is the schematic diagram of transiting rod of the invention.As shown in figure 4, the upper end of transiting rod 10 offers screwed hole 101,
The right-hand member of the transiting rod 10 of the upper end corresponding diagram 1 of the transiting rod 10 of Fig. 4.
Specifically, locating surface 82 offers the first through hole 821 matched with screwed hole 101；Top fastening bolt 9 passes through
First through hole 821 screws in the first screwed hole 101, so as to second top 8 is fixedly connected with transiting rod 10.
Fig. 6 (a) is the schematic diagram of sleeve base of the invention；Fig. 6 (b) is another signal of sleeve base of the invention
Figure；Fig. 6 (c) is the another schematic diagram of sleeve base of the invention.As shown in Fig. 6 (a), Fig. 6 (b) and Fig. 6 (c), sleeve base 3
Circular trough 31 is offered, the side wall of guiding sleeve 6 is embedded at circular trough 31, and circular trough 31 plays a part of to accommodate guiding sleeve 6.
The side wall of sleeve base 3 uniformly offers four the second screwed holes 32 along its circumferencial direction；Wherein, the number of top regulating bolt 5
It is four to measure, and each top regulating bolt 5 screws in the second corresponding screwed hole 32, the screwed hole of top regulating bolt 5 and second
32.By adjust top regulating bolt 5 can adjustable guide sleeve 6 in the horizontal in-plane moving of vertical paper, i.e., can adjust
Guiding sleeve 6 is in X-direction and the position of Y-direction.Sleeve base 3 offers the second cavity 31, and top feeding bolt 4 is empty second
The bottom in the hole 20 top with first 7 opened up through sleeve base 3 in chamber 31 mutually crimps, by rotating the top feeding band of bolt 4
The dynamic first top 7 mobile adjustment for realizing Z-direction.Second cavity 31 is formed in the center section of sleeve base 3, is operator
Top feeding bolt 4 rotation of operation is provided enough operating spaces, lifting operation feasibility and comfortableness are provided.
Fig. 7 (a) is the schematic diagram of guiding sleeve of the invention；Fig. 7 (b) is another signal of guiding sleeve of the invention
Figure.As shown in Fig. 7 (a), guiding sleeve 6 offers the first cavity 61, and the first cavity 61 is cylindrical cavity.
Fig. 8 is the of the invention first top schematic diagram.As shown in figure 8, first top 7 include the second top tip part 28, in
Section axle 29 and bottom cylinder 30；Wherein,
Second top tip part 28, stage casing axle 29 and bottom cylinder 30 are sequentially connected and connect.Specifically, the second top tip part 28, stage casing
Axle 29 and bottom cylinder 30 are integrally formed.
First cavity 61 is cylindrical cavity, and bottom cylinder 30 is located in the first cavity 61, and the end face of bottom cylinder 30 is straight
Footpath is approximately equivalent with the diameter of the first cavity 61, so that ensure that bottom cylinder 30 is unable to side-to-side movement, so as to improve measurement essence
Degree.
The central axis of bottom cylinder 30 is identical with the central axis of the first cavity 61.So as to ensure measurement high accuracy.
As shown in Fig. 7 (b), the upper surface center of guiding sleeve 6 offers the second through hole 62, and stage casing axle 29 leads to through second
Hole 62.
As a example by measuring axial length dimension accuracy tolerance in ± 0.05mm, the part of ± 0.02mm.Prepare one first
Standard cylindrical rod, circularity is in 0.001mm.Standard cylindrical rod is installed between first top 7 and second top 8, the first top
Second top tip part 28 of point 7 withstands the center hole of standard cylindrical rod lower end, and second top 8 top tip part 81 withstands standard cylindrical rod
The center hole of upper end, on the one hand, top fastening bolt is screwed in the first screwed hole 101 of transiting rod through first through hole, is noted
Certain fastening surplus need to be stayed, the second top preliminary fixation is realized.On the other hand, top feeding bolt is passed through in the second cavity
The hole that sleeve base is opened up, so as to sleeve base screw-internal thread fit, contact support with the first top bottom surface, realize that first is top
Fixation, can realize that first top moves up and down by rotating top feeding bolt.The top of standard cylindrical rod top and bottom
Pointed orifice respectively top with first 7 and second it is top 8 coordinate, screw it is top feeding bolt 4 realize preliminary axial restraint.Now use again
Precision is that the height of 0.002mm is advised needle contact and has certain decrement, respectively measurement standard cylindrical rod positive bus-bar and side bus,
By adjusting the second top 8 position and first top 7 rolling pendulum angle, the positive bus-bar and side bus of standard cylindrical rod are finally realized
Bounce in 0.002mm.Then first top 7 is tightened.After completing measurement apparatus calibration, top feeding bolt is rotated down
4, standard cylindrical rod is pulled down, workpiece to be measured (there is center hole top and bottom) is put into, the upper top feeding bolt 4 of rotation is realized treating
Measurement workpiece is fixed.The high-acruracy survey of axial length dimension can be now realized using metric high, the axle first half is measured first
Divide axial length dimension, axle is then turned 180 °, adjustment is finished due to a whole set of measurement apparatus, therefore under direct measurement axle
Half part axial length dimension.Table 1 is the measurement axle top half sized data table of comparisons, and table 2 is measurement axle the latter half
The sized data table of comparisons.
Table 1
| Sequence number | Measured size | General detection | Frock is detected | Error |
| 1 | 5.74±0.03 | 5.742 | 5.741 | 0.001 |
| 2 | 6±0.05 | 6.032 | 6.030 | 0.002 |
| 3 | 9.6±0.1 | 9.599 | 9.602 | 0.003 |
Table 2
| Sequence number | Measured size | General detection | Frock is detected | Error |
| 1 | 8.6±0.1 | 8.590 | 8.593 | 0.003 |
| 2 | 0.5±0.1 | 0.497 | 0.499 | 0.002 |
| 3 | 5.8±0.05 | 5.814 | 5.816 | 0.002 |
Measurement apparatus of the invention can realize efficient, the accurate on-position measure of high accuracy axial dimension；And the present invention
By first top and the second top accurate alignment that can be realized to measuring cell；And base plate of the invention is formed in bottom surface
One bottom plate groove, so as to reduce the weight of base plate, saves material；And the present invention is formed in sleeve base center section
One the second cavity, enough operating spaces, lifting operation feasibility are provided for operator provides the top feeding bolt rotation of operation
With comfortableness.
Embodiment described above is the present invention more preferably specific embodiment, and those skilled in the art is in this hair
The usual variations and alternatives carried out in the range of bright technical scheme all should be comprising within the scope of the present invention.
Claims (9)
1. a kind of high accuracy axial length measurement device, it is characterised in that including：Base plate (1), base fixing bolt (2), sleeve
Base (3), it is top feeding bolt (4), top regulating bolt (5), guiding sleeve (6), first top (7), second top (8),
Top fastening bolt (9), transiting rod (10) and support column (12)；Wherein,
The sleeve base (3) is connected with the base plate (1)；
The guiding sleeve (6) is connected with the sleeve base (3)；
First top (7) are embedded in first cavity (61) of the guiding sleeve (6)；
The top regulating bolt (5) is arranged at the side wall of the sleeve base (3), and the top regulating bolt (5) can adjust
The guiding sleeve (6) is saved in X-direction and the position of Y-direction；
The sleeve base (3) offers the second cavity (31), and top feeding bolt (4) passes through in the second cavity (31)
The bottom in the hole (7) top with described first that the sleeve base (3) opens up mutually crimps；
Second top (8) are connected by the top fastening bolt (9) with one end of the transiting rod (10)；
The upper end of the support column (12) is connected with the other end of the transiting rod (10)；
The lower end of the support column (12) is connected with the base plate (1).
2. high accuracy axial length measurement device according to claim 1, it is characterised in that：The sleeve base (3) is led to
Base fixing screws (2) are crossed to be threadedly coupled with the base plate (1).
3. high accuracy axial length measurement device according to claim 1, it is characterised in that：Under the support column (12)
End is threadedly coupled by post fastening bolt (13) with the base plate (1).
4. high accuracy axial length measurement device according to claim 1, it is characterised in that：The top of the base plate (1)
Boss (110) is provided with, bottom offers bottom plate groove (120)；Wherein,
The sleeve base (3) is connected with the boss (110) of the base plate (1)；
The lower end of the support column (12) is connected with the boss (110) of the base plate (1).
5. high accuracy axial length measurement device according to claim 1, it is characterised in that：The support column (12) includes
Positioning table (121), transition cylinder (122) and bottom surface cylinder (123)；Wherein,
The positioning table (121), the transition cylinder (122) and the bottom surface cylinder (123) are sequentially connected and connect；
The positioning table (121) is connected with the other end of the transiting rod (10), wherein, the axial direction of the transiting rod (10) with
The axial direction of the support column (12) is perpendicular；
The bottom surface cylinder (123) is connected with the base plate (1).
6. high accuracy axial length measurement device according to claim 1, it is characterised in that：Second top (8) bag
Include top tip part (81) and locating surface (82)；Wherein,
The top tip part (81) is connected with the locating surface (82)；
One end of the transiting rod (10) offers screwed hole (101), corresponding, and the locating surface (82) offers and screw thread
The first through hole (821) that hole (101) matches；
The top fastening bolt (9) screws in the first screwed hole (101) by first through hole (821).
7. high accuracy axial length measurement device according to claim 1, it is characterised in that：The sleeve base (3) is opened
Circular trough (31) is provided with, the side wall of the guiding sleeve (6) is embedded at the circular trough (31).
8. high accuracy axial length measurement device according to claim 1, it is characterised in that：The sleeve base (3)
Side wall uniformly offers four the second screwed holes (32) along its circumferencial direction；Wherein,
The quantity of the top regulating bolt (5) is four, and each top regulating bolt (5) screws in the second corresponding screwed hole
(32)。
9. high accuracy axial length measurement device according to claim 1, it is characterised in that：First top (7) bag
Include the second top tip part (28), stage casing axle (29) and bottom cylinder (30)；Wherein,
Second top tip part (28), the stage casing axle (29) and the bottom cylinder (30) are sequentially connected and connect；
First cavity (61) is cylindrical cavity, and the bottom cylinder (30) is described in first cavity (61)
The central axis of bottom cylinder (30) is identical with the central axis of first cavity (61)；
The upper surface center of the guiding sleeve (6) offers the second through hole (62), and the stage casing axle (29) is through described second
Through hole (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179368.4A CN106767616B (en) | 2016-12-19 | 2016-12-19 | A kind of high-precision axial length measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179368.4A CN106767616B (en) | 2016-12-19 | 2016-12-19 | A kind of high-precision axial length measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106767616A true CN106767616A (en) | 2017-05-31 |
| CN106767616B CN106767616B (en) | 2019-06-18 |
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ID=58890440
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611179368.4A Active CN106767616B (en) | 2016-12-19 | 2016-12-19 | A kind of high-precision axial length measurement device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210830A (en) * | 1995-02-07 | 1996-08-20 | Kyocera Corp | Non-contact length measuring instrument |
| CN202101657U (en) * | 2011-05-11 | 2012-01-04 | 西安爱德华测量设备股份有限公司 | Coordinate measuring machine provided with positioning function |
| CN203414273U (en) * | 2013-09-11 | 2014-01-29 | 哈尔滨精达测量仪器有限公司 | Novel external gear double-faced layout engaging instrument |
| CN106091884A (en) * | 2016-08-16 | 2016-11-09 | 中航湖南通用航空发动机有限公司 | A kind of for measuring the horizontal to table measurement apparatus of tongue-and-groove centre-to-centre spacing |
-
2016
- 2016-12-19 CN CN201611179368.4A patent/CN106767616B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210830A (en) * | 1995-02-07 | 1996-08-20 | Kyocera Corp | Non-contact length measuring instrument |
| CN202101657U (en) * | 2011-05-11 | 2012-01-04 | 西安爱德华测量设备股份有限公司 | Coordinate measuring machine provided with positioning function |
| CN203414273U (en) * | 2013-09-11 | 2014-01-29 | 哈尔滨精达测量仪器有限公司 | Novel external gear double-faced layout engaging instrument |
| CN106091884A (en) * | 2016-08-16 | 2016-11-09 | 中航湖南通用航空发动机有限公司 | A kind of for measuring the horizontal to table measurement apparatus of tongue-and-groove centre-to-centre spacing |
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| Publication number | Publication date |
|---|---|
| CN106767616B (en) | 2019-06-18 |
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