CN116295092A - Gear parameter measuring device and method - Google Patents
Gear parameter measuring device and method Download PDFInfo
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- CN116295092A CN116295092A CN202211709598.2A CN202211709598A CN116295092A CN 116295092 A CN116295092 A CN 116295092A CN 202211709598 A CN202211709598 A CN 202211709598A CN 116295092 A CN116295092 A CN 116295092A
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- fixing piece
- displacement sensor
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2416—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures of gears
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a gear parameter measuring device and a gear parameter measuring method, wherein the device comprises a rotation module, a measuring module and a description point fitting module; the rotary module is used for driving the gear to rotate around the central shaft, and the central shaft passes through the center of the gear and is perpendicular to the plane of the gear; the measuring module comprises a spectral confocal displacement sensor, the measuring direction of a probe of the spectral confocal displacement sensor is perpendicular to the central axis and parallel to the gear plane, and the measuring module is used for acquiring displacement information of the outline of the rotary gear relative to the central axis, wherein the displacement information is represented by polar coordinates; the dotting fitting module is used for dotting fitting the displacement information represented by the polar coordinates to obtain the size parameters of the gear. The invention adopts the spectral confocal displacement sensor to collect the polar coordinates of each measuring point on the measured tooth profile, and the spectral confocal displacement sensor has the characteristics of high-precision measurement, high-frequency measurement and the like, and can reduce measurement errors.
Description
Technical Field
The invention relates to the technical field of precise instrument measurement, in particular to a gear parameter measurement device and a gear parameter measurement method.
Background
The gear means a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power. With the development of production, the running stability of the gear is valued, and the running stability of the gear is influenced by various parameters of the gear; therefore, before the gear is transported, whether the parameters of the gear are qualified or not needs to be detected to carry out normal transportation and marketing.
Existing gear measurement techniques can be divided into two main categories, contact measurement and non-contact measurement. The contact measurement is to record the three-dimensional coordinate position of the surface point of the shape by contacting the triggering or scanning type sensing head with the contour surface of the gear, and then the computer calculates the parameters of the gear according to the three-dimensional coordinate position, and the method often causes low measurement precision because of larger radius of the contact sensing head; the non-contact measurement mainly comprises the steps of measuring gear parameters by using a laser displacement sensor, and enabling laser beams emitted by the laser displacement sensor to directly irradiate the gear to be measured by driving the laser displacement sensor to move to a position to be measured on the outline of the gear to be measured; and returns to the receiver, which calculates a distance value based on the time of one round trip of the laser pulse. However, when the roughness of the gear surface is large, the reflected laser signal is unstable, and thus the time value and the distance value calculated by the receiver are inaccurate, so that the method is easy to cause measurement errors.
Disclosure of Invention
The invention provides a gear parameter measuring device and a gear parameter measuring method based on the problem of larger measuring error in the prior art.
The invention discloses a gear parameter measuring device which comprises a rotation module, a measuring module and a description fitting module;
the rotary module is used for driving the gear to rotate around the central shaft, and the central shaft passes through the center of the gear and is perpendicular to the plane of the gear;
the measuring module comprises a spectral confocal displacement sensor, the measuring direction of a probe of the spectral confocal displacement sensor is perpendicular to the central axis and parallel to the gear plane, and the measuring module is used for acquiring displacement information of the outline of the rotary gear relative to the central axis, and the displacement information is represented by polar coordinates;
and the dotting fitting module is used for conducting dotting fitting on the displacement information represented by the polar coordinates to obtain the size parameters of the gear.
Preferably, the present invention further comprises: a displacement adjustment module;
the measuring module is fixed on the displacement adjusting module;
the displacement adjustment module is used for driving the measurement module to move in the three-dimensional space direction, so that the probe of the spectral confocal displacement sensor is parallel to the gear plane.
Preferably, the present invention further comprises: an upper fixing member and a lower fixing member;
annular protrusions are arranged on the opposite surfaces of the upper fixing piece and the lower fixing piece;
the gear is sleeved between the annular protrusions of the upper fixing piece and the lower fixing piece;
the lower fixing piece is arranged on the rotary module.
Preferably, the invention further comprises a compacting module connected with the upper fixing piece, wherein the compacting module is used for compacting the upper fixing piece when the gear rotates.
The compaction module comprises a compaction transmission device and a compaction part;
the compaction transmission device is arranged on the workbench;
the compressing part is arranged on the compressing transmission device and is connected with one end of the upper fixing piece.
One end of the pressing component is in an inverted cone shape;
one end of the upper fixing piece is provided with a small hole;
the conical tip corresponds to the aperture.
Preferably, the invention further comprises a grating ruler;
the grating ruler is arranged on the compression transmission device, and light rays emitted by the grating ruler are projected to the displacement adjustment module and used for determining the moving distance of the displacement adjustment module.
The rotary module comprises a motor, a rotary table and an aerostatic main shaft;
one side surface of the turntable is connected with the lower fixing piece, and the other side surface of the turntable is connected with one end of the aerostatic main shaft and is used for bearing the lower fixing piece;
and an output shaft of the motor is connected with the other end of the aerostatic main shaft and is used for driving the gear to rotate around the center of the gear.
The measuring module further comprises a protective shell with a through hole at one end, a bracket and a controller;
the spectral confocal displacement sensor, the bracket and the controller are arranged in the protective shell, and the spectral confocal sensor is connected with the controller;
the support is arranged at one end of the through hole of the protective shell;
one end of the probe of the spectral confocal displacement sensor extends out of the through hole, and the other end of the probe is fixed on the bracket.
The invention also discloses a gear parameter measurement method, which is characterized by comprising the following steps:
acquiring displacement information of the outline of the rotary gear relative to a gear central shaft, wherein the displacement information is represented by polar coordinates;
and performing point drawing fitting on the displacement information represented by the polar coordinates to obtain the size parameters of the gear.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the gear parameter measuring device, the spectral confocal displacement sensor is used for collecting polar coordinates of each measuring point on the measured tooth profile, and has the characteristics of high-precision measurement, high-frequency measurement and the like, the measuring precision can achieve nano-scale precision, and the measuring frequency can reach 80 kilohertz;
(2) According to the invention, the moving distance of each transmission device in the air floatation guide rail is determined by the grating ruler, so that the moving distance of the measurement module can be accurately controlled, and the measurement accuracy of the whole system is further improved;
(3) According to the invention, the Y-axis transmission device can adjust the distance between the measuring module and the gear according to the diameter of the gear, so that the measured diameter of the gear is not limited by the size of the turntable;
(4) In the invention, the measuring module is provided with the bracket and the protective shell, and the bracket is used for supporting and fixing the spectral confocal displacement sensor, so that the distance between the spectral confocal displacement sensor and the gear can be conveniently and flexibly adjusted when the dimensional parameter of the gear is measured; the protective housing is used for protecting the spectrum confocal displacement sensor, the controller and the bracket of the measurement module, avoiding damage caused by external force and preventing dust from entering.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a front view of the device of the present invention;
FIG. 3 is a schematic view of the structure of the work table of the present invention;
FIG. 4 is a schematic diagram of a compression transmission in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the upper and lower fixing members according to the embodiment of the present invention;
FIG. 6 is a schematic view of a gear fixed between annular protrusions of an upper and lower fixing members in an embodiment of the present invention;
FIG. 7 is a front view of a swing module of the present invention;
FIG. 8 is a cross-sectional view of a swing module of the present invention;
FIG. 9 is a schematic view of the structure of the pressing member of the present invention;
FIG. 10 is a schematic structural view of an X-axis transmission device according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a Y-axis transmission device according to an embodiment of the present invention;
FIG. 12 is a schematic view of a Z-axis transmission according to an embodiment of the present invention;
FIG. 13 is a schematic view of the structure of the protective housing of the present invention;
fig. 14 is a schematic structural view of a measuring module according to the present invention.
In the figure, 1 is a workbench; 2 is a compression transmission device; 3 is a gear fixing device; 4 is a compressing mechanism; 5 is a Z-axis transmission device; 6 is a Y-axis transmission device; 7 is a measurement module; 8 is an X-axis transmission device; 9 is a description point fitting module; 10 is a rotary module; 3-1 is an upper fixing piece; 3-2 is a lower fixing piece; 3-3 is a small hole; 4-1 is a cone roof; 7-1 is a protective shell; 7-2 is a spectral confocal displacement sensor; 7-3 is a bracket; 7-4 is a controller; 10-1 is the center; 10-2 is a turntable; 10-3 is a gas static pressure main shaft; 10-4 is a supporting sleeve; 10-5 is a coupler; 10-6 is a motor.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1 and 2, the invention discloses a gear parameter measuring device, which comprises a rotation module 10, a measuring module 7 and a description point fitting module 9;
the rotary module 10 is used for driving the gear to rotate around the central shaft, and the central shaft passes through the center of the gear and is perpendicular to the gear plane;
as shown in fig. 7 and 8, the swing module 10 includes a motor 10-6, a turntable 10-2, and a gas hydrostatic spindle 10-3;
one side surface of the turntable 10-2 is connected with the lower fixing piece 3-2, and the other side surface is connected with one end of the aerostatic main shaft 10-3 and is used for bearing the lower fixing piece 3-2;
an output shaft of the motor 10-6 is connected with the other end of the aerostatic main shaft 10-3 and is used for driving the gear to rotate around the center of the gear.
In one embodiment, the present invention further includes a support sleeve 10-4, and the aerostatic spindle 10-3 is secured within the support sleeve 10-4. The aerostatic main shaft 10-3 has small friction and high rotation precision. In the invention, a motor 10-6 is connected with a gas static pressure main shaft 10-3 through a coupler 10-5 to drive the gas static pressure main shaft 10-3 to rotate, so that the gas static pressure main shaft 10-3 drives a rotary table 10-2 and a gear arranged on the rotary table 10-2 to rotate.
The measuring module 7 comprises a spectral confocal displacement sensor 7-2, the measuring direction of a probe of the spectral confocal displacement sensor 7-2 is perpendicular to the central axis and parallel to the gear plane, and the measuring module is used for acquiring displacement information of the outline of the rotary gear relative to the central axis, wherein the displacement information is represented by polar coordinates;
preferably, the measuring module 7 further comprises a protective shell 7-1 with a through hole at one end, a bracket 7-3 and a controller 7-4, as shown in fig. 13 and 14;
the spectral confocal displacement sensor 7-2, the bracket 7-3 and the controller 7-4 are arranged in the protective shell 7-1, and the spectral confocal displacement sensor is connected with the controller 7-4;
the bracket 7-3 is arranged at one end of the protective shell 7-1 where the through hole is;
one end of the probe of the spectral confocal displacement sensor 7-2 extends out of the through hole, and the other end of the probe is fixed on the bracket 7-3.
In the invention, the bracket 7-3 is used for supporting and fixing the spectrum confocal displacement sensor 7-2, so that the distance between the spectrum confocal displacement sensor and the gear can be conveniently and flexibly adjusted when the size parameter of the gear is measured; the protective housing 7-1 is used for protecting the spectral confocal displacement sensor 7-2, the controller 7-4 and the bracket 7-3 of the measurement module 7 from damage caused by external force and dust.
The dotting fitting module 9 is used for dotting fitting the displacement information represented by polar coordinates to obtain the size parameters of the gear.
The point tracing fitting module 9 comprises a computer and is used for processing the polar coordinate data detected by the spectral confocal displacement sensor 7-2, and the point tracing fitting can be performed through a software system to accurately calculate the relevant parameters of the gear.
The invention adopts the spectral confocal displacement sensor 7-2 to collect polar coordinates of each measuring point on the measured tooth profile, the spectral confocal displacement sensor 7-2 has the characteristics of high-precision measurement, high-frequency measurement and the like, the measuring precision can realize nano-scale precision, and the measuring frequency can reach 80 kilohertz magnitude.
Preferably, the invention further comprises a displacement adjustment module;
the displacement adjustment module is used for driving the measurement module 7 to move in the three-dimensional space direction, so that the probe of the spectral confocal displacement sensor 7-2 is parallel to the gear plane.
In one embodiment, the displacement adjustment module includes an X-axis drive 8, a Y-axis drive 6, and a Z-axis drive 5;
as shown in fig. 1 and 2, the X-axis transmission device 8 is arranged on the workbench 1 shown in fig. 3, and the moving direction is perpendicular to the central axis;
the Z-axis transmission device 5 is arranged on the X-axis transmission device 8, and the moving direction is parallel to the central shaft;
the Y-axis transmission device 6 is arranged on the Z-axis transmission device 5, and the moving direction is perpendicular to the moving directions of the central shaft and the X-axis transmission device 8;
the measuring module 7 is arranged on the Y-axis transmission 6.
In the embodiment, a sliding frame is arranged on the Y-axis transmission device 6, a measuring module 7 is arranged on the sliding frame, and the Y-axis transmission device 6 can adjust the position of the measuring module 7 left and right according to gears with different diameters;
in this embodiment, the guide rails on the Y-axis transmission device 6 and the Z-axis transmission device 5 are both air-floating guide rails, and as the air-floating guide rails can realize smooth movement without friction and vibration, higher guiding precision is obtained, and the positioning precision of the spectral confocal displacement sensor 7-2 can be indirectly improved, thereby improving the detection precision of the gear.
Preferably, the invention further comprises a grating ruler;
the grating ruler is arranged on the compaction transmission device 2, and light rays emitted by the grating ruler are projected to the displacement adjustment module and used for determining the moving distance of the displacement adjustment module.
According to the embodiment of the invention, the servo motor 10-6 drives the air floatation guide rail on the X, Y, Z shaft transmission device 5, so that the measuring module 7 is driven to move along the X-axis, Y-axis and Z-axis guide rails. The X-axis and Z-axis air floatation guide rail accurately controls the spectral confocal displacement sensor 7-2 to coincide with the central axis of the gear through the positioning function of the grating ruler.
The moving distance of each transmission device in the air floatation guide rail is determined by the grating ruler, so that the moving distance of the measuring module 7 can be accurately controlled, and the measuring precision of the whole system is improved.
Preferably, the invention also comprises a gear fixing device 3,
as shown in fig. 5, the gear fixing device 3 includes an upper fixing member 3-1 and a lower fixing member 3-2; annular protrusions are arranged on the opposite surfaces of the upper fixing piece 3-1 and the lower fixing piece 3-2;
as shown in fig. 6, the gear is sleeved between the annular protrusions of the upper fixing member 3-1 and the lower fixing member 3-2;
the lower fixture 3-2 is provided on the swing module 10.
Preferably, the present invention further comprises a pressing module connected to the upper fixture 3-1 for pressing the upper fixture 3-1 when the gear rotates.
As shown in fig. 4 and 9, the compaction module comprises a compaction transmission device 2 and a compaction part 4;
the compaction transmission device 2 is arranged on the workbench 1, and the transmission structure adopts a screw rod mechanism driven by a servo motor 10-6 and is precisely positioned by a grating ruler.
The compressing component is arranged on the compressing transmission device 2 and is connected with one end of the upper fixing piece 3-1.
One end of the pressing component is in an inverted cone shape;
one end of the upper fixing piece 3-1 is provided with a small hole 3-3;
the conical tip 4-1 corresponds to the small hole 3-3.
In another embodiment, the upper end of the turntable 10-2 comprises a center 10-1, and both ends of the upper and lower fixing pieces 3-2 are provided with small holes 3-3, which can be matched with the cone top 4-1 of the pressing mechanism 4 and the center 10-1 of the workpiece turntable 10-2. The upper fixing member 3-1 and the lower fixing member 3-2 of the gear in this embodiment can be replaced according to gears of different diameters.
In the embodiment of the invention, the turntable 10-2 is arranged on the workbench 1, and can be automatically aligned and leveled through the arrangement of a computer, the gear is fixed on the turntable 10-2 through the upper and lower fixing pieces 3-2 and rotates along with the turntable 10-2, and the measuring module 7 does not rotate, so that the invention has simple operation and smaller error.
In the embodiment of the invention, the optical measurement system is fixed on the guide rail platform, the movement of the measurement module 7 on the air floatation guide rail can be precisely controlled by positioning the grating ruler, and the Y-axis transmission device 6 can adjust the distance between the measurement module 7 and the gear according to the diameter of the gear, so that the diameter of the measured gear is not limited by the size of the turntable 10-2.
The invention also discloses a gear parameter measurement method, which is characterized by comprising the following steps:
when acquiring polar coordinate information, firstly, determining the position of a gear center coordinate axis, wherein the process of acquiring the position of the center coordinate axis in the implementation is as follows: and placing the standard part on the rotary table 10-2, driving the rotary table 10-2 to rotate, and collecting data points of the outer circumference of the zero-marking rotary shaft so as to mark the position of the central shaft coordinate system of the measured gear.
After the position of a central axis coordinate system is determined, a measured gear is fixed on a workpiece rotary table 10-2 through a gear fixing device, the central axis of the measured gear coincides with the center of a zero-marking rotating shaft, then a probe of a spectrum confocal displacement sensor 7-2 coincides with the central axis of the gear through controlling an X-axis, a Y-axis and a Z-axis air floatation guide rail, and emitted light beams can directly irradiate onto a measured tooth profile, so that the measured tooth profile is positioned in the range of the spectrum confocal displacement sensor 7-2; the rotary shaft table is rotated, light beams emitted by the spectral confocal displacement sensor 7-2 are sequentially directed onto the tooth profile of the gear to be measured, the surface of the gear to be measured reflects back irradiation light, the irradiation light is sensed by the confocal displacement sensor, and a distance value can be obtained through conversion by calculating the sensed wavelength; and acquiring displacement data of a reflecting point of the light beam on the measured tooth profile relative to a central axis of a measuring gear coordinate system, and converting the displacement data into polar coordinates.
And step 2, performing dotting fitting on displacement information represented by polar coordinates to obtain the size parameters of the gear.
And (3) performing point drawing fitting on the polar coordinate points of the measured tooth profile in a polar coordinate system through computer related software so as to obtain the size parameters of the gear and judge the error of the measured tooth profile.
The gear measuring device and the gear measuring method can realize the measurement of the straight-tooth cylindrical gear, the bevel gear and the cambered surface gear, the movement path of the measuring head does not need to be planned in advance in the measuring process, the measuring method is simple, and the gear measuring accuracy is improved.
(1) The gear parameter measuring device adopts the spectral confocal displacement sensor to collect polar coordinates of each measuring point on the measured tooth profile, and compared with contact type contact measurement and laser displacement sensor measurement, the gear parameter measuring device has the characteristics of high-precision measurement, high-frequency measurement and the like, the measuring precision can realize nano-scale precision, and the measuring frequency can reach 80 kilohertz magnitude;
(2) According to the invention, the moving distance of each transmission device in the air floatation guide rail is determined by the grating ruler, so that the moving distance of the measurement module can be accurately controlled, and the measurement accuracy of the whole system is further improved;
(3) According to the invention, the Y-axis transmission device can adjust the distance between the measuring module and the gear according to the diameter of the gear, so that the measured diameter of the gear is not limited by the size of the turntable;
(4) In the invention, the measuring module is provided with the bracket and the protective shell, and the bracket is used for supporting and fixing the spectral confocal displacement sensor, so that the distance between the spectral confocal displacement sensor and the gear can be conveniently and flexibly adjusted when the dimensional parameter of the gear is measured; the protective housing is used for protecting the spectrum confocal displacement sensor, the controller and the bracket of the measurement module, avoiding damage caused by external force and preventing dust from entering.
The foregoing description is only a few examples of the present application and is not intended to limit the present application in any way, and although the present application is disclosed in the preferred examples, it is not intended to limit the present application, and any person skilled in the art may make some changes or modifications to the disclosed technology without departing from the scope of the technical solution of the present application, and the technical solution is equivalent to the equivalent embodiments.
Claims (10)
1. The gear parameter measuring device is characterized by comprising a rotation module, a measuring module and a description fitting module;
the rotary module is used for driving the gear to rotate around the central shaft, and the central shaft passes through the center of the gear and is perpendicular to the plane of the gear;
the measuring module comprises a spectral confocal displacement sensor, the measuring direction of a probe of the spectral confocal displacement sensor is perpendicular to the central axis and parallel to the gear plane, and the measuring module is used for acquiring displacement information of the outline of the rotary gear relative to the central axis, and the displacement information is represented by polar coordinates;
and the dotting fitting module is used for conducting dotting fitting on the displacement information represented by the polar coordinates to obtain the size parameters of the gear.
2. The gear parameter measurement device of claim 1, further comprising: a displacement adjustment module;
the measuring module is fixed on the displacement adjusting module;
the displacement adjustment module is used for driving the measurement module to move in the three-dimensional space direction, so that the probe of the spectral confocal displacement sensor is parallel to the gear plane.
3. The gear parameter measurement device of claim 1, further comprising: an upper fixing member and a lower fixing member;
annular protrusions are arranged on the opposite surfaces of the upper fixing piece and the lower fixing piece;
the gear is sleeved between the annular protrusions of the upper fixing piece and the lower fixing piece;
the lower fixing piece is arranged on the rotary module.
4. A gear parameter measurement device according to claim 3, further comprising a compression module connected to the upper fixture for compressing the upper fixture as the gear rotates.
5. The gear parameter measurement device of claim 4, wherein the compaction module comprises a compaction transmission and a compaction member;
the compaction transmission device is arranged on the workbench;
the compressing part is arranged on the compressing transmission device and is connected with one end of the upper fixing piece.
6. The gear parameter measurement device according to claim 5, wherein one end of the pressing member is in an inverted cone shape;
one end of the upper fixing piece is provided with a small hole;
the conical tip corresponds to the aperture.
7. The gear parameter measurement device of claim 5, further comprising a grating scale;
the grating ruler is arranged on the compression transmission device, and light rays emitted by the grating ruler are projected to the displacement adjustment module and used for determining the moving distance of the displacement adjustment module.
8. The gear parameter measurement device of claim 4, wherein the swivel module comprises a motor, a turntable, and a hydrostatic spindle;
one side surface of the turntable is connected with the lower fixing piece, and the other side surface of the turntable is connected with one end of the aerostatic main shaft and is used for bearing the lower fixing piece;
and an output shaft of the motor is connected with the other end of the aerostatic main shaft and is used for driving the gear to rotate around the center of the gear.
9. The gear parameter measurement device of claim 1, wherein the measurement module further comprises a protective housing with a through hole at one end, a bracket, and a controller;
the spectral confocal displacement sensor, the bracket and the controller are arranged in the protective shell, and the spectral confocal sensor is connected with the controller;
the support is arranged at one end of the through hole of the protective shell;
one end of the probe of the spectral confocal displacement sensor extends out of the through hole, and the other end of the probe is fixed on the bracket.
10. A gear parameter measurement method, comprising the steps of:
acquiring displacement information of the outline of the rotary gear relative to a gear central shaft, wherein the displacement information is represented by polar coordinates;
and performing point drawing fitting on the displacement information represented by the polar coordinates to obtain the size parameters of the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709598.2A CN116295092A (en) | 2022-12-29 | 2022-12-29 | Gear parameter measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709598.2A CN116295092A (en) | 2022-12-29 | 2022-12-29 | Gear parameter measuring device and method |
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| Publication Number | Publication Date |
|---|---|
| CN116295092A true CN116295092A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211709598.2A Pending CN116295092A (en) | 2022-12-29 | 2022-12-29 | Gear parameter measuring device and method |
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| Country | Link |
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| CN (1) | CN116295092A (en) |
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2022
- 2022-12-29 CN CN202211709598.2A patent/CN116295092A/en active Pending
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