CN215373881U - Porous axiality check out test set - Google Patents
Porous axiality check out test set Download PDFInfo
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- CN215373881U CN215373881U CN202121928742.2U CN202121928742U CN215373881U CN 215373881 U CN215373881 U CN 215373881U CN 202121928742 U CN202121928742 U CN 202121928742U CN 215373881 U CN215373881 U CN 215373881U
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Abstract
The utility model discloses a multi-hole coaxiality detection device which comprises a plurality of centering devices, a plurality of dividing plates and an autocollimator, wherein the number of the centering devices and the number of the dividing plates are multiple, the centering devices are respectively arranged in a reference hole and a measured hole, one end of each centering device is provided with one dividing plate, the dividing plates and the centering devices are coaxial and are completely parallel, and a light source emitter of the autocollimator and the reference hole are coaxial. The utility model belongs to the technical field of coaxiality detection, and aims to solve the problems of high difficulty and low detection precision of porous coaxiality detection in the prior art. The technical effects achieved are as follows: the axes of the reference hole and the measured hole can be conveniently and quickly determined through the centering device, the self-collimator can measure the angle and displacement deviation of the axis of the measured hole relative to the axis of the reference hole by combining with a reticle, so that the detection result of the coaxiality can be accurately obtained, the detection of the multi-hole coaxiality can be completed, the operation is simple, and the detection precision is high.
Description
Technical Field
The utility model relates to the technical field of coaxiality detection, in particular to porous coaxiality detection equipment.
Background
The multi-hole coaxiality refers to the coaxial attitude distribution error of the mechanical axes of a series of spatially distributed mechanical holes on a spatial straight line, and the spatial attitude of the mechanical axes of the mechanical holes has errors of two dimensions of angle and displacement. At present, parts with porous structures are gradually increased in mechanical products, the detection of the coaxiality of a porous axis is always a difficult problem, the coaxiality of the parts is measured by using a main shaft of a machine tool after the parts are machined on the machine tool at present, no measuring means is provided after the parts are taken down from the machine tool, the influence of the deformation of the whole stress release of the parts on the coaxiality is unknown, the parts are only required to be installed on the machine tool again at the moment, the machine tool is used for measuring after alignment, and the measuring precision is greatly influenced by the positioning precision and the precision of the machine tool. Therefore, there is a need for a multi-hole coaxiality detection apparatus that is convenient to use and easy to calibrate.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a porous coaxiality detection device, which aims to solve the problems of high difficulty and low detection precision of porous coaxiality detection in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
according to the first aspect of the utility model, the multi-hole coaxiality detection equipment comprises a plurality of centering devices, a plurality of dividing plates and an autocollimator, wherein the number of the centering devices and the number of the dividing plates are multiple, the centering devices are respectively arranged in a reference hole and a tested hole, one end of each centering device is provided with one dividing plate, the dividing plates and the centering devices are coaxial and are completely parallel, and a light source emitter of the autocollimator is coaxial with the reference hole.
Further, the autocollimator is a dual-optical-path internal-focusing autocollimator.
Further, a backlight is also included, and the backlight is installed between the centering device and the reticle.
And the computer is connected with the autocollimator and used for receiving and transmitting data and displaying the measurement result on a screen in real time.
Furthermore, the centering device adopts a three-jaw centering structure, and is provided with three fixing jaws capable of stretching and retracting simultaneously.
Furthermore, a cross line is arranged on the reticle, and scales are arranged on the cross line.
Further, the computer is a notebook computer.
Further, the backlight is provided with a battery.
Further, the backlight lamp is an LED lamp.
Further, the automatic collimator also comprises a tripod, wherein the automatic collimator is installed on the tripod, and the tripod is used for adjusting the height of the automatic collimator.
The utility model has the following advantages: the axes of the reference hole and the measured hole can be conveniently and quickly determined through the centering device, the self-collimator can measure the angle and displacement deviation of the axis of the measured hole relative to the axis of the reference hole by combining with a reticle, so that the detection result of the coaxiality can be accurately obtained, the detection of the multi-hole coaxiality can be completed, the operation is simple, and the detection precision is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic diagram of an overall structure of a multi-hole coaxiality detection apparatus according to some embodiments of the present invention.
Fig. 2 is a schematic view of the distribution of the centering device, the backlight and the reticle in the tested holes of the multi-hole coaxiality testing apparatus according to some embodiments of the present invention.
Fig. 3 is a schematic diagram of a multi-aperture coaxiality detection apparatus according to some embodiments of the present invention, which measures an angle error through a parallel optical path.
Fig. 4 is a schematic diagram of a multi-aperture coaxiality detection apparatus according to some embodiments of the present invention, measuring a displacement error through an internally focused optical path.
In the figure: 1. centering device, 2, backlight, 3, reticle, 4, autocollimator, 5, computer, 6, benchmark hole, 7, measured hole.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, a multi-hole coaxiality detection apparatus in an embodiment of a first aspect of the present invention includes a centering device 1, a reticle 3, and an autocollimator 4, where the number of the centering devices 1 and the reticle 3 is plural, the plural centering devices 1 are respectively installed in a reference hole 6 and a hole to be measured 7, one end of each centering device 1 is installed with one reticle 3, the reticle 3 is coaxial with and completely parallel to the centering device 1, and a light source emitter of the autocollimator 4 is coaxial with the reference hole 6.
In the above embodiment, it should be noted that the autocollimator 4 is a dual-optical-path internal-focusing autocollimator, and the reticle 3 is provided with a cross line, and the cross line is provided with scales.
Furthermore, the dual-optical-path internal-focusing autocollimator has a zooming range of +500mm to + infinity, the zooming range is large, the stability in the zooming process is high, the dual-optical-path internal-focusing autocollimator is provided with two testing optical paths, namely a parallel light testing optical path and an internal-focusing testing optical path, the two testing optical paths are coaxial, the parallel light testing optical path is used for measuring an angle error, the internal-focusing testing optical path is used for measuring a displacement error, the two testing optical paths do not interfere with each other, and the measurement can be carried out simultaneously;
as shown in fig. 3, when the axis of the hole 7 to be measured and the axis of the reference hole 6 have different angles, the angle of the reticle 3 in the hole 7 to be measured indicates the angle of the hole 7 to be measured, the surface of the reticle 3 has optical reflection properties, and can reflect the parallel light beam emitted by the autocollimator 4 back to the instrument, the autocollimator 4 measures the angle error of the surface of the reticle 3 by an autocollimation measurement method, so as to obtain the angle error of the axis of the hole 7 to be measured, when measuring different holes 7 to be measured, the centering device 1 and the reticle 3 are installed in different holes 7 to be measured one by one, and then the holes 7 to be measured are measured one by one;
as shown in fig. 4, when the axis of the hole 7 to be measured and the axis of the reference hole 6 have different displacements, the position of the center of the reticle 3 cross line in the hole 7 to be measured indicates the position of the axis of the hole 7 to be measured, the position of the center of the reticle 3 cross line is measured by the internal focusing test optical path of the autocollimator 4, so as to obtain the displacement error of the axis of the hole 7 to be measured, when measuring different holes 7 to be measured, the centering devices 1 and the reticles 3 are installed in different holes 7 to be measured one by one, and then the internal focusing test optical path can measure each measuring hole 7 one by one through zooming.
The technical effects achieved by the above embodiment are as follows: the axes of the reference hole 6 and the measured hole 7 can be conveniently and quickly determined through the centering device 1, and the autocollimator 4 can measure the angle and displacement deviation of the axis of the measured hole 7 relative to the axis of the reference hole 6 by combining with the reticle 3, so that the detection result of the coaxiality can be accurately obtained, the detection of the coaxiality of multiple holes can be completed, the operation is simple, and the measurement precision is high.
Optionally, as shown in fig. 1 to 4, in some embodiments, a backlight 2 is further included, and the backlight 2 is installed between the centering device 1 and the reticle 3.
The beneficial effects of the above alternative embodiment are: by providing the backlight 2, a sufficient light source can be provided to illuminate the reticle 3 for easy viewing and reading of data.
Optionally, as shown in fig. 1 to 4, in some embodiments, the system further includes a computer 5, the computer 5 is connected to the autocollimator 4, and the computer 5 is configured to receive and transmit data and display the measurement result on a screen in real time.
In the above optional embodiment, it should be noted that the computer 5 is a notebook computer, the computer 5 is provided with operation software matched with the autocollimator 4, and the autocollimator 4 can be conveniently and quickly controlled by the computer 5 to perform detection and data analysis and calculation.
The beneficial effects of the above alternative embodiment are: by arranging the computer 5 and matching with the autocollimator 4, the detection operation is simpler, and the measurement precision and the measurement efficiency are higher; the computer 5 is a notebook computer, is convenient to carry and use.
Alternatively, as shown in fig. 1 to 4, in some embodiments, the centering device 1 adopts a three-jaw centering structure, and the centering device 1 is provided with three fixing jaws which can be simultaneously stretched and contracted.
In the above alternative embodiment, it should be noted that the centering device 1 is configured into different size series according to different inner diameters of the measured hole 7; during calibration, the three telescopic fixing claws of the centering device 1 are adjusted to enable the three telescopic fixing claws to be tightly abutted with a bus of the inner wall of the reference hole 6, so that the centering device 1 can be fixed, the axis of the reference hole 6 is determined, at the moment, the center of the reticle 3 on the centering device 1 is coincided with the center of the reference hole 6, the axis of a light source emitter of the autocollimator 4 is adjusted to be coincided with the axis of the reference hole 3, so that the reference calibration can be completed, after the calibration is completed, whether the center of a cross scale line of the reticle 3 in the measured hole 7 is coincided with the center of a cross scale line of the reticle 3 in the reference hole 3 is detected through the autocollimator 4, if the centers are not coincided, the axis of the measured hole 7 is deviated, and the coaxiality between the measured hole 7 and the reference hole 6 can be obtained through measuring the offset of the autocollimator 4.
The beneficial effects of the above alternative embodiment are: the centering device 1 adopts a three-jaw centering structure, is convenient and quick to install, and can quickly determine the axes of the reference hole 6 and the measured hole 7.
Alternatively, as shown in fig. 1 to 4, in some embodiments, the backlight 2 is provided with a battery.
In the above alternative embodiment, it should be noted that the battery is a rechargeable lithium battery, and the backlight 2 is an LED lamp.
The beneficial effects of the above alternative embodiment are: the backlight 2 is provided with a battery which is a rechargeable lithium battery, can be used without an external power supply and is rechargeable and convenient to use; the backlight 2 is an LED lamp, so that the energy consumption is low, the service life is long, and the energy conservation and the environmental protection are realized.
Optionally, as shown in fig. 1 to 4, in some embodiments, a tripod is further included, and the autocollimator 4 is mounted on the tripod, and the tripod is used for adjusting the height of the autocollimator 4.
The beneficial effects of the above alternative embodiment are: through setting up the tripod, adjustment autocollimator 4's that can be convenient height, it is more convenient to use.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Claims (10)
1. The utility model provides a porous axiality check out test set, its characterized in that, includes centring means (1), reticle (3) and autocollimator (4), centring means (1) with the quantity of reticle (3) is a plurality of, and is a plurality of centring means (1) is installed respectively in benchmark hole (6) and surveyed hole (7), every one is all installed to the one end of centring means (1) reticle (3), reticle (3) with centring means (1) is with the axle center, and is parallel completely, the light source transmitter of autocollimator (4) with the benchmark hole is with the axle center.
2. A multi-aperture coaxiality inspection apparatus according to claim 1, wherein said autocollimator (4) is a dual-beam in-focus autocollimator.
3. A multi-aperture coaxiality inspection apparatus according to claim 1, further comprising a backlight (2), wherein said backlight (2) is installed between said centering device (1) and said reticle (3).
4. The multi-hole coaxiality detection apparatus according to claim 1, further comprising a computer (5), wherein said computer (5) is connected to said autocollimator (4), and said computer (5) is configured to receive and transmit data and display the measurement results on a screen in real time.
5. The multi-hole coaxiality detection apparatus according to claim 1, wherein the centering device (1) adopts a three-jaw centering structure, and the centering device (1) is provided with three fixed jaws which can be simultaneously stretched and contracted.
6. The multi-hole coaxiality detection apparatus according to claim 1, wherein a reticle is provided on the reticle (3), and scales are provided on the reticle.
7. The multi-hole coaxiality inspection apparatus according to claim 4, wherein said computer (5) is a notebook computer.
8. A multi-aperture coaxiality inspection apparatus according to claim 3, wherein said backlight (2) is provided with a battery.
9. The multi-hole coaxiality inspection apparatus according to claim 3, wherein said backlight (2) is an LED lamp.
10. A multi-aperture coaxiality inspection apparatus according to claim 1, further comprising a tripod on which said autocollimator (4) is mounted, said tripod being used to adjust the height of said autocollimator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121928742.2U CN215373881U (en) | 2021-08-17 | 2021-08-17 | Porous axiality check out test set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121928742.2U CN215373881U (en) | 2021-08-17 | 2021-08-17 | Porous axiality check out test set |
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| CN215373881U true CN215373881U (en) | 2021-12-31 |
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| CN202121928742.2U Active CN215373881U (en) | 2021-08-17 | 2021-08-17 | Porous axiality check out test set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923668A (en) * | 2022-07-19 | 2022-08-19 | 嘉兴中润光学科技股份有限公司 | Lens testing module and lens testing method |
| CN115265418A (en) * | 2022-06-13 | 2022-11-01 | 核工业理化工程研究院 | Auxiliary tool for coaxiality installation of multiple series devices, installation method and application of auxiliary tool |
-
2021
- 2021-08-17 CN CN202121928742.2U patent/CN215373881U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265418A (en) * | 2022-06-13 | 2022-11-01 | 核工业理化工程研究院 | Auxiliary tool for coaxiality installation of multiple series devices, installation method and application of auxiliary tool |
| CN114923668A (en) * | 2022-07-19 | 2022-08-19 | 嘉兴中润光学科技股份有限公司 | Lens testing module and lens testing method |
| CN114923668B (en) * | 2022-07-19 | 2022-12-13 | 嘉兴中润光学科技股份有限公司 | Lens testing module and lens testing method |
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