CN110243334A - A kind of eccentric orfice eccentricity measuring device - Google Patents
A kind of eccentric orfice eccentricity measuring device Download PDFInfo
- Publication number
- CN110243334A CN110243334A CN201910543350.5A CN201910543350A CN110243334A CN 110243334 A CN110243334 A CN 110243334A CN 201910543350 A CN201910543350 A CN 201910543350A CN 110243334 A CN110243334 A CN 110243334A
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- sliding
- eccentric orfice
- pedestal
- bracket
- crossbeam
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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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
- G01B21/24—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 angles or tapers; for testing the alignment of axes for testing alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention belongs to eccentric orfice technical field of measuring equipment, more particularly to a kind of eccentric orfice eccentricity measuring device, including pedestal, bracket, crossbeam, reference axis, displacement sensor, signal conditioner and computer, it is provided with stationary center on pedestal and slides top, slide it is top close to or far from stationary center slide for clamping reference axis, bracket is slidably connected with pedestal, the glide direction of bracket and the axis direction of reference axis are consistent, crossbeam is connect with bracket slide, axis direction of the glide direction of crossbeam perpendicular to reference axis, displacement sensor is fixed on crossbeam, running through on axial workpiece to be detected has eccentric orfice, axial workpiece is fixedly connected by eccentric orfice with reference axis, when reference axis drive shaft class parts turn, the bottom surface of crossbeam always with all face contacts of axial workpiece；Signal conditioner is used to receive the signal of displacement sensor transmission, and carries out the amplification and filtering of signal, and signal conditioner is by data processor and calculates mechatronics.
Description
Technical field
The invention belongs to eccentric orfice technical field of measuring equipment more particularly to a kind of eccentric orfice eccentricity measuring devices.
Background technique
Currently, in mechanical processing process, hole machined is a very universal process, therefore rank on axial workpiece
The processing in terraced hole is also more and more, since the processing of stepped hole is relatively troublesome, needs secondary installing in many cases, because
This error also can hardly be avoided, but due to the demand of function, the position of axial workpiece upper shoulder hole is also comparable important, it is necessary to meet
Two hole sites design rationally, i.e., the eccentric orfice eccentricity of first hole and second hole axial line will within the scope of defined,
But during actual measurement eccentric orfice eccentricity, existing measuring device such as uses three coordinates, vernier caliper device to survey
Amount.Although three-dimensional coordinates measurement can accurately determine eccentric orfice eccentricity, testing cost is high, is not suitable for mass detection.Vernier calliper
Ruler measurement belongs to measurement indirectly, needs manual operation, measurement efficiency is low, and vernier caliper reading has error, and different personnel measure knot
Fruit is different, measurement often occurs and determines inconsistent situation.Existing various inspection method inspections determine that efficiency is lower or determines not
Reliably, be not suitable for high-volume and check use.
Summary of the invention
It is low and survey to solve the artificial measurement efficiency using vernier caliper measurement eccentric orfice eccentricity of the existing technology
The inconsistent problem of result is measured, the present invention provides a kind of eccentric orfice eccentricity measuring device, keeps measurement more efficient, operation letter
Single, as a result accurately, the scope of application is wider, there is certain market promotion prospect.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows, a kind of eccentric orfice eccentricity measurement dress
It sets, including pedestal, bracket, crossbeam, reference axis, displacement sensor, signal conditioner and computer, is provided on the pedestal solid
It is fixed top and slide it is top, the sliding it is top close to or far from stationary center sliding for clamping reference axis, the bracket with
Pedestal is slidably connected, and the glide direction of the bracket and the axis direction of reference axis are consistent, and the crossbeam is connect with bracket slide,
Perpendicular to the axis direction of reference axis, institute's displacement sensors are fixed on crossbeam the glide direction of the crossbeam, to be checked
It surveys through there is eccentric orfice on axial workpiece, the axial workpiece is fixedly connected by the eccentric orfice with reference axis, when the base
When fiducial axis drive shaft class parts turn, the bottom surface of the crossbeam always with all face contacts of axial workpiece；
The signal conditioner is used to receive the signal of displacement sensor transmission, and carries out the amplification and filtering of signal, institute
It states signal conditioner and passes through data processor and the calculating mechatronics.
Preferably, the bottom end of the bracket and the two sides of pedestal are slidably connected, the both ends of the crossbeam are sliding with bracket
Dynamic connection.The stability that bracket is slided along pedestal is improved, crossbeam is improved along the stability of bracket slide, improves the measuring device
Measure stability and measurement accuracy.
Preferably, offering first sliding groove on the bracket, the two sides of the first sliding groove offer the first guide groove,
The first sliding block with first sliding groove cooperation is extended on the crossbeam, the two sides of first sliding block are extended with and the first guide groove
First guide pad of cooperation.First sliding groove and the first guide groove open up, and improve crossbeam along the stability and sliding of bracket slide
Directional precision improves the measurement accuracy of the measuring device.
Preferably, offering second sliding slot on the pedestal, the two sides of the second sliding slot offer the second guide groove,
The second sliding block with second sliding slot cooperation is extended on the bracket, the two sides of second sliding block are extended with and the second guide groove
Second guide pad of cooperation.Second sliding slot and the second guide groove open up, and improve stability and sliding that bracket is slided along pedestal
Directional precision improves the measurement accuracy of the measuring device.
Further, the stationary center is fixedly installed on the base by hold-down support, and the sliding is top to pass through cunning
Dynamic bearing sliding setting on the base, offers dovetail chute on the pedestal, be provided on the sliding support sliding with dovetail
The dovetail slide block that slot is slidably matched is provided with the locking assembly for locking sliding support on the sliding support.Dovetail slide block
With the cooperation of dovetail chute, the precision of sliding support sliding can be improved, improve and slide top and locating centre cooperation clamping base
The positioning accuracy of fiducial axis, while also just improving measurement accuracy.
Further, the locking assembly includes the lock-screw that sliding support two sides are arranged in, the lock-screw with
Sliding support is threadedly coupled, when the lock-screw screws on sliding support, tail end and base into contact.Locking assembly knot
Structure is simple and reliable, and it is convenient to operate, at low cost.
The utility model has the advantages that eccentric orfice eccentricity measuring device of the invention, is utilized displacement sensor, signal conditioner sum number
According to the new technologies detection mode such as processor, wherein the information of displacement sensor passes through the place of signal conditioner and data processor
Reason, is able to detect eccentric orfice eccentricity, and compared with traditional technology, detection accuracy is high, data are accurate, with existing high-accuracy survey
Measuring appratus such as three-coordinates measuring machine is compared, and structure is simple, cost is relatively low；Eccentric orfice eccentricity measuring device of the invention,
Due to using sensing technology, measurement is more efficient, and operation is simpler, and mathematical operation is simpler, as a result more accurate, saves
More time；The axis to be measured that eccentric orfice eccentricity measuring device of the invention identical part at measurement a batch or needs to measure
When the eccentric orfice size of class part is identical, only it need to prepare a reference axis and do not need to change, can simplify operating process, when saving
Between, save the cost.
Detailed description of the invention
Fig. 1 is the schematic perspective view of eccentric orfice eccentricity measuring device of the present invention；
Fig. 2 is the perspective view of the explosion of eccentric orfice eccentricity measuring device of the present invention；
Fig. 3 is the schematic side view of eccentric orfice eccentricity measuring device of the present invention；
Fig. 4 is the overlooking structure diagram of eccentric orfice eccentricity measuring device of the present invention；
Fig. 5 is the measuring principle schematic diagram of eccentric orfice eccentricity measuring device of the present invention；
In figure: 1, pedestal, 1-1, second sliding slot, 1-2, dovetail chute, 2, bracket, 2-1, first sliding groove, 2-2, second are slided
Block, 2-3, the second guide pad, 3, crossbeam, 3-1, the first sliding block, 3-2, the first guide pad, 4, reference axis, 5, displacement sensor, 6,
Stationary center, 7, sliding top, 8, hold-down support, 9, sliding support, 9-1, dovetail slide block, 10, lock-screw, 11, axis class zero
Part, 11-1, eccentric orfice, 12, signal conditioner, 13, data processor, 14, computer.
Specific embodiment
Embodiment
As shown in Fig. 1~5, a kind of eccentric orfice eccentricity measuring device, including pedestal 1, bracket 2, crossbeam 3, reference axis 4,
Displacement sensor 5, signal conditioner 12 and computer 14 are provided with stationary center 6 and sliding top 7 on the pedestal 1, described
It slides top 7 to slide close to or far from stationary center 6 for clamping reference axis 4, the bracket 2 is slidably connected with pedestal 1, described
The glide direction of bracket 2 is consistent with the axis direction of reference axis 4, and the crossbeam 3 is slidably connected with bracket 2, the cunning of the crossbeam 3
Direction is moved perpendicular to the axis direction of reference axis 4, institute's displacement sensors 5 are fixed on crossbeam 3, axial workpiece to be detected
Through there is eccentric orfice 11-1 on 11, the reference axis 4 and eccentric orfice 11-1 is interference fitted, so that axial workpiece 11 follows reference axis
4 rotations, when the reference axis 4 driving axial workpiece 11 rotates, the bottom surface of the crossbeam 3 circumferential surface with axial workpiece 11 always
Contact；
As shown in figure 5, the signal conditioner 12 is used to receive the signal of the transmission of displacement sensor 5, the signal condition
Device 12 is electrically connected by data processor 13 with the computer 14；Specifically, the signal conditioner 12 includes amplifying circuit
And filter circuit, signal can be amplified and is filtered, the signal conditioner 12 selects the signal tune of IEPE series
Device is managed, the signal of conditioning is transferred to data processor 13, the input terminal of the data processor 13 and signal conditioner 12
Output end electrical connection, output end and computer 14 electrical connection of the data processor 13 show that displacement passes by computer 14
The numerical value of sensor 5, the data processor 13 include A/D converter, and received electric signal is converted to number by data processor 13
Word signal, such computer 14 could directly handle received data.
As shown in figures 1-4, in order to improve the sliding stability of bracket 2 and crossbeam 3, measurement accuracy, the bracket 2 are improved
Bottom end and the two sides of pedestal 1 be slidably connected, offer first sliding groove 2-1 on the bracket 2, the two of the first sliding groove 2-1
Side offers the first guide groove, the first sliding block 3-1 with first sliding groove 2-1 cooperation is extended on the crossbeam 3, described first is sliding
The two sides of block 3-1 are extended with the first guide pad 3-2 with the cooperation of the first guide groove；It is slided with bracket 2 at the both ends of the crossbeam 3
It connects, offers second sliding slot 1-1 on the pedestal 1, the two sides of the second sliding slot 1-1 offer the second guide groove, described
The second sliding block 2-2 with second sliding slot 1-1 cooperation is extended on bracket 2, the two sides of the second sliding block 2-2 are extended with and second
Second guide pad 2-3 of guide groove cooperation.
As shown in figures 1-4, it is arranged on pedestal 1 for the ease of stationary center 6 and sliding top 7, the stationary center 6
It is fixed on pedestal 1 by hold-down support 8, the sliding top 7 is slidably arranged on pedestal 1 by sliding support 9, institute
It states and offers dovetail chute 1-2 on pedestal 1, it is sliding that the dovetail being slidably matched with dovetail chute 1-2 is provided on the sliding support 9
Block 9-1 is provided with the locking assembly for locking sliding support 9 on the sliding support 9；The locking assembly includes that setting exists
The lock-screw 10 of 9 two sides of sliding support, the lock-screw 10 are threadedly coupled with sliding support 9, when the lock-screw 10
When screwing on sliding support 9, tail end is contacted with pedestal 1.
The measuring process of the eccentric orfice eccentricity measuring device is as follows:
Firstly, reference axis 4 is inserted into the eccentric orfice 11-1 of axial workpiece 11 to be measured, reference axis 4 and eccentric orfice 11-1 mistake
It is full of cooperation, axial workpiece 11 to be measured is fixed on reference axis 4, then drives sliding top 7 to stationary center 6 by sliding support 9
Mobile, sliding top 7 and stationary center 6 cooperate the reference axis 4 that is clamped, then tighten lock-screw 10 and lock sliding support 9
Tightening position；Stationary center 6 and sliding top 7 drive reference axis 4 to rotate again, and the rotation of reference axis 4 drives axial workpiece 11 to rotate, because
Axial workpiece 11 is fixedly connected with reference axis 4 by eccentric orfice 11-1, then 3 edge of crossbeam is driven in 11 rotary course of axial workpiece
Bracket 2 slides, and the displacement sensor 5 on crossbeam 3 constantly issues signal, and signal conditioner 12 is amplified and filtered after receiving signal
Received electric signal is converted to digital signal again and passes to computer 14 by wave processing, data processor 13, and computer 14 is just not
It is disconnected to obtain and record new numerical value, until axial workpiece 11 to be measured one circle of rotation；14 pairs of computer acquisition data into
Row comparison and processing, obtain eccentric orfice 11-1 eccentricity.
Claims (6)
1. a kind of eccentric orfice eccentricity measuring device, it is characterised in that: including pedestal (1), bracket (2), crossbeam (3), reference axis
(4), displacement sensor (5), signal conditioner (12) and computer (14), be provided on the pedestal (1) stationary center (6) and
It slides top (7), the sliding top (7) is slided close to or far from stationary center (6) for clamping reference axis (4), the branch
Frame (2) is slidably connected with pedestal (1), and the glide direction of the bracket (2) is consistent with the axis direction of reference axis (4), the cross
Beam (3) is slidably connected with bracket (2), axis direction of the glide direction of the crossbeam (3) perpendicular to reference axis (4), institute's rheme
Displacement sensor (5) is fixed on crossbeam (3), and running through on axial workpiece (11) to be detected has eccentric orfice (11-1), the axis
Class part (11) is fixedly connected by the eccentric orfice (11-1) with reference axis (4), when the reference axis (4) drive axial workpiece
(11) when rotating, the bottom surface of the crossbeam (3) all face contacts with axial workpiece (11) always；
The signal conditioner (12) is used to receive the signal of displacement sensor (5) transmission, and carries out the amplification and filtering of signal,
The signal conditioner (12) is electrically connected by data processor (13) with the computer (14).
2. eccentric orfice eccentricity measuring device according to claim 1, it is characterised in that: the bottom end of the bracket (2) with
The two sides of pedestal (1) are slidably connected, and the both ends of the crossbeam (3) are slidably connected with bracket (2).
3. eccentric orfice eccentricity measuring device according to claim 1 or 2, it is characterised in that: opened up on the bracket (2)
Have first sliding groove (2-1), the two sides of the first sliding groove (2-1) offer the first guide groove, be extended on the crossbeam (3) with
The first sliding block (3-1) of first sliding groove (2-1) cooperation, the two sides of first sliding block (3-1) are extended with matches with the first guide groove
The first guide pad (3-2) closed.
4. eccentric orfice eccentricity measuring device according to claim 1 or 2, it is characterised in that: opened up on the pedestal (1)
Have second sliding slot (1-1), the two sides of the second sliding slot (1-1) offer the second guide groove, be extended on the bracket (2) with
The second sliding block (2-2) of second sliding slot (1-1) cooperation, the two sides of second sliding block (2-2) are extended with matches with the second guide groove
The second guide pad (2-3) closed.
5. eccentric orfice eccentricity measuring device according to claim 1, it is characterised in that: the stationary center (6) passes through
Hold-down support (8) is fixed on pedestal (1), and the sliding top (7) is slidably arranged in pedestal by sliding support (9)
(1) it on, offers dovetail chute (1-2), is provided on the sliding support (9) and dovetail chute (1-2) on the pedestal (1)
The dovetail slide block (9-1) being slidably matched is provided with the locking assembly for locking sliding support (9) on the sliding support (9).
6. eccentric orfice eccentricity measuring device according to claim 5, it is characterised in that: the locking assembly includes setting
Lock-screw (10) in sliding support (9) two sides, the lock-screw (10) is threadedly coupled with sliding support (9), when described
When screwing on sliding support (9), tail end contacts lock-screw (10) with pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543350.5A CN110243334A (en) | 2019-06-21 | 2019-06-21 | A kind of eccentric orfice eccentricity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543350.5A CN110243334A (en) | 2019-06-21 | 2019-06-21 | A kind of eccentric orfice eccentricity measuring device |
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| Publication Number | Publication Date |
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| CN110243334A true CN110243334A (en) | 2019-09-17 |
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|---|---|---|---|
| CN201910543350.5A Pending CN110243334A (en) | 2019-06-21 | 2019-06-21 | A kind of eccentric orfice eccentricity measuring device |
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