CN210833487U - Calibrating device for angle measuring system of precision speed reducer detector - Google Patents
Calibrating device for angle measuring system of precision speed reducer detector Download PDFInfo
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- CN210833487U CN210833487U CN201921654108.7U CN201921654108U CN210833487U CN 210833487 U CN210833487 U CN 210833487U CN 201921654108 U CN201921654108 U CN 201921654108U CN 210833487 U CN210833487 U CN 210833487U
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Abstract
The utility model discloses an accurate reduction gear detector angle measurement system calibrating device, including the multiaspect arris body that is used for high, low-speed end measurement system angle calibration, be used for making multiaspect arris body and high, low-speed end measurement system's circular grating take place to set for the multiple tooth dividing table of angular displacement, be used for reading the photoelectric autocollimator of angle value, be used for installing multiaspect arris body and multiple tooth dividing table at the high-speed end output shaft or the epaxial mounting structure of low-speed end input of accurate reduction gear detector. The utility model can effectively avoid the occurrence of installation gaps, does not generate additional errors for angle transmission, has higher installation precision, can ensure the coaxiality of the polyhedral prism and the circular grating, is firm and reliable in matching, and is favorable for ensuring the calibration precision; the utility model discloses still make the measuring point not confine to on the working face of polyhedron arris body, have better global calibration effect, solved other methods that use polyhedron to survey and mend and only have calibration effect at error sample sampling point, at the invalid problem of non-sampling point.
Description
Technical Field
The utility model relates to an accurate detection measurement and calibration technique, in particular to accurate reduction gear detector angle measurement system calibrating device.
Background
The precision speed reducer is widely applied to various fields of national economy and national defense industry, along with the development of industrial automation technology, the application requirements of automation equipment such as aviation, satellite, medical treatment, military science and technology, electronic equipment, robots and the like are gradually improved, the transmission efficiency, the load capacity, the precision grade and the like of the speed reducer seriously affect the working precision and the service life of the whole system, and therefore, the precision detection on the performance of the speed reducer becomes particularly important.
The angle measurement is used as a key technical parameter in the performance detection of the speed reducer, and the measurement precision of the key performance parameters such as the torsional rigidity, the idle stroke, the backlash, the transmission error and the like of the speed reducer is determined. In the reducer detector, a circular grating is used as an angle measuring element, the circular grating is connected in series to a measuring shaft system and rotates coaxially and synchronously with a reducer to be measured, and the rotation angle of the circular grating is read by a reading head, so that the angle measurement of the reducer is realized. Although the precision of the circular grating is high, installation errors are introduced in the assembling process, for example, the eccentric error, the inclination error and the like of the circular grating cause the precision of the angle measuring system to be reduced, and therefore, an angle standard part is required to be used for calibration. Because the polygon measurement accuracy is higher and simple structure, adopt the polygon to carry out the angle calibration more, need make the polygon and the coaxial rotation of circular grating. Due to certain measurement environment limitations, for example, when the polygon is required to be suspended for measurement, higher requirements are put on the installation of the polygon. Moreover, the data measured by the polygon is limited to the number of working faces of the polygon, and only has high calibration effect at the sampling point, and the calibration effect at other angle positions is greatly reduced.
Therefore, an accurate method for calibrating the angle measurement of the precision reducer detector is needed, and the measurement precision of the angle measurement system is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of current angle measurement system calibration method, provide a reliable polygon mounting structure and increase the method of polygon sampling point number. Through mounting structure and measuring method's improvement, the utility model discloses can be accurate carry out the angular surveying calibration to accurate reduction gear detector, the measurement accuracy of effectual improvement angle measuring system.
The utility model adopts the technical proposal that: the utility model provides a precision reduction gear detector angle measurement system calibrating device for the angle calibration of the high-speed end measurement system and the low-speed end measurement system of precision reduction gear detector, includes:
a polygon for angle calibration of the high-speed end measurement system and the low-speed end measurement system;
the multi-tooth indexing table is fixedly connected with the polygon and is used for enabling the polygon, the circular grating of the high-speed end measuring system and the circular grating of the low-speed end measuring system to move at a set angle;
the photoelectric autocollimator is arranged opposite to the polygon and used for reading an angle value; and the number of the first and second groups,
and the mounting structure is used for mounting the polyhedral prism and the multi-tooth indexing table on a high-speed end output shaft or a low-speed end input shaft of the precision speed reducer detector.
Further, the mounting structure comprises an expansion element, a mounting piece and a large round nut, wherein the expansion element enables the multi-tooth indexing table and the polygon to be suspended and fixed on the high-speed end of the precision reducer detector;
the expansion element comprises an expansion sleeve, a first contact platform and a square clamping part which are connected in sequence; the outer wall of the expansion sleeve is cylindrical, the inner wall of the expansion sleeve is a conical surface, the outer wall of the expansion sleeve is matched with the high-speed end output shaft, and a plurality of rectangular openings which are beneficial to deformation of the expansion sleeve are formed in the side wall of the upper part of the expansion sleeve; a through threaded hole is formed in the center of the square clamping part;
the top of the mounting part is provided with a second contact platform for connecting the first contact platform of the expansion element; a shaft shoulder positioning part is arranged in the middle of the mounting part, and a cylindrical surface matched with an involute internal spline tooth top circle of the low-speed end input shaft is arranged on the upper end surface of the shaft shoulder positioning part; the multi-tooth indexing table and the multi-face prism are fixedly connected and then jointly sleeved outside the mounting piece and positioned below the shaft shoulder positioning part, and the lower end face of the shaft shoulder positioning part is in contact with the upper end face of the multi-tooth indexing table and used for limiting the axial positions of the multi-tooth indexing table and the multi-face prism; and the tail part of the mounting part is provided with an external thread, and the large round nut is screwed in from the external thread at the tail part of the mounting part to clamp the multi-tooth dividing table and the multi-face prism.
When the high-speed end measuring system is calibrated, the polygon needs to be installed on a high-speed end output shaft station, at the moment, the upper end face of the first contact platform of the expansion element is in fit contact with the lower end face of the high-speed end output shaft to achieve axial positioning, and the second contact platform of the installation part is connected with the first contact platform of the expansion element; and a bolt is screwed into the expansion element through a through threaded hole of the square clamping part, the bolt contacts the inner wall of the expansion sleeve when screwing upwards, so that the expansion sleeve is deformed outwards in a split manner and is in contact with the addendum circle of the involute internal spline of the high-speed end output shaft, and the angle measurement system calibration device is connected with the high-speed end output shaft by friction force between the addendum circle of the involute internal spline of the high-speed end output shaft and the friction force generated by extrusion deformation of the outer wall of the expansion sleeve.
When the low-speed end measuring system is calibrated, the polygon needs to be installed on a low-speed end input shaft station, at the moment, a cylindrical surface positioned on a shaft shoulder of the installation piece is matched with an involute internal spline tooth top circle of the low-speed end input shaft, the end surface of the shaft shoulder of the installation piece, which is positioned far away from the multi-tooth indexing table, is contacted with the upper end surface of the low-speed end input shaft to form spigot fit, and the coaxiality of the polygon and a circular grating of the low-speed end measuring system is ensured; meanwhile, the dead weight of the angle measuring system calibrating device ensures that friction force exists between the angle measuring system calibrating device and the end face of the low-speed end input shaft, so that the polyhedral prism and the low-speed end input shaft cannot rotate relatively.
Wherein the diameter of the conical surface inner wall of the expansion casing pipe is gradually reduced from bottom to top.
The first contact platform of the expansion element is provided with a through connection threaded hole for connecting with the second contact platform of the mounting part, and the expansion element and the mounting part are connected into a whole through the through connection threaded hole; the through connection screw hole is provided with a plurality ofly, along the equidistant distribution of circumferencial direction.
The outer diameter of the first contact platform of the expansion element is larger than the inner diameter of an involute internal spline addendum circle of the high-speed end output shaft and smaller than the inner diameter of an involute internal spline addendum circle of the low-speed end input shaft; the outer diameter of the second contact platform of the mounting piece is smaller than the inner diameter of the addendum circle of the involute internal spline of the low-speed end input shaft.
The utility model has the advantages that: the installation scheme in this precision reduction gear detector angle measurement system calibrating device can effectively avoid the installation clearance to appear, does not produce the additional error to the angle transmission, and the installation accuracy is higher, can guarantee the axiality of polyhedron arris body and circular grating, and the cooperation is firm reliable, is favorable to guaranteeing the calibration accuracy. This measurement scheme still makes the measuring point not confine to on the working face of polyhedron arris, has better global calibration effect, has solved other methods that use polyhedron to examine and mend and only have calibration effect at error sample sampling point, at the invalid problem of non-sampling point.
Drawings
FIG. 1 is a schematic diagram of a precision reducer detector complete machine and an angle measuring system calibration device;
FIG. 2 is a schematic view of the installation of the angle measuring system calibration device at the high-speed end;
FIG. 3 is a schematic view of the installation of the calibration device of the angle measuring system at the low-speed end;
FIG. 4 is a schematic view of the expansion element configuration;
FIG. 5 is a schematic cross-sectional view of an expansion element;
FIG. 6 is a schematic view of a mount construction;
FIG. 7 is a schematic view of a polygon, a multi-tooth indexing table and an expansion element.
The attached drawings are marked as follows: 1. the device comprises an angle measuring system calibration device, 2, a driving motor, 3, a high-speed end measuring system, 4, a high-speed end output shaft, 5, an expansion element, 6, a mounting piece, 7, a multi-tooth dividing table, 8, a polygon, 9, a photoelectric autocollimator, 10, a low-speed end input shaft, 11, a low-speed end measuring system, 12, a load motor, 13, a large round nut, 14, an expansion sleeve, 15, a first contact platform, 16 and a square clamping part.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
the utility model relates to a precision reducer detector, as shown in figure 1, includes high-speed tip portion, low-speed tip portion, data acquisition system and control system. The high-speed end part comprises a driving motor 2 for driving the tested speed reducer to work, a high-speed end measuring system 3 for measuring performance parameters of the input end of the tested speed reducer and a high-speed end output shaft 4 for being connected with the tested speed reducer. The low-speed end part comprises a load motor 12 for carrying and reversely driving, a low-speed end measuring system 11 for measuring the performance parameters of the output end of the tested speed reducer, and a low-speed end input shaft 10 for connecting the tested speed reducer. The data acquisition system is used for acquiring and processing angle measurement data of the high-speed end measurement system 3 and the low-speed end measurement system 11. The control system is used for controlling the driving motor 2, the load motor 12 and the data acquisition system. The high-speed end measuring system 3 and the low-speed end measuring system 11 both comprise a circular grating and a double-reading head.
As shown in fig. 1 to 3, a calibration device for an angle measurement system of a precision reducer detector comprises a polygon 8 for angle calibration, a multi-tooth index table 7 for enabling the polygon 8 to move at a set angle with respect to a circular grating of the high-speed end measurement system 3 and a circular grating of the low-speed end measurement system 11, an electro-optic autocollimator 9 for reading an angle value, and a mounting structure for mounting the polygon 8 and the multi-tooth index table 7 on a high-speed end output shaft 4 or a low-speed end input shaft 10 of the precision reducer detector. Wherein, the multi-tooth dividing table 7 is fixedly connected with the polygon 8; the photoelectric autocollimator 9 is arranged opposite to the polygon 8; the mounting structure comprises an expansion element 5 which can enable the multi-tooth indexing table 7 and the multi-facet body 8 to be fixed on the high-speed end of the precision reducer detector in a hanging mode, a mounting piece 6 which is used for enabling the expansion element 5 to be connected with the multi-facet body 8 and the multi-tooth indexing table 7, and a large round nut 13 which is used for clamping the multi-facet body 8 and the multi-tooth indexing table 7.
As shown in fig. 4 and 5, the expansion element 5 comprises an expansion casing 14, a first contact platform 15 and a square clamping portion 16 connected in sequence. The outer wall of the expansion sleeve 14 is cylindrical, the inner wall of the expansion sleeve is conical, and the diameter of the inner wall is gradually reduced from bottom to top; the outer wall of the expansion sleeve 14 is matched with the high-speed end output shaft 4, and a plurality of rectangular openings which are beneficial to deformation of the expansion sleeve 14 are formed in the side wall of the upper portion of the expansion sleeve 14. A plurality of through connection threaded holes are formed in the first contact platform 15 of the expansion element 5 and used for being connected with the second contact platform of the mounting part 6, the expansion element 5 and the mounting part 6 are connected into a whole through the through connection threaded holes, and the through connection threaded holes are distributed at equal intervals in the circumferential direction; the outer diameter of the first contact platform 15 of the expansion element 5 is larger than the inner diameter of the involute internal spline addendum circle of the high-speed end output shaft 4, and is smaller than the inner diameter of the involute internal spline addendum circle of the low-speed end input shaft 10. The outer side of the square clamping portion 16 is square and the expansion element 5 is clamped in use by a wrench; the center of the square clamping portion 16 is provided with a through threaded hole through which a bolt can be screwed into the expansion element 5 through the square clamping portion 16. When the expansion element 5 is used, the square clamping part 16 can be clamped below by using a wrench, and the expansion sleeve 14 is placed in the high-speed end output shaft 4 until the first contact platform 15 is in end surface contact with the high-speed end output shaft 4; and screwing a bolt into the expansion element 5 through a through threaded hole, wherein the bolt contacts the inner wall of the expansion sleeve 14 when screwing upwards, screws upwards after contacting, presses the inner wall of the conical surface of the expansion sleeve 14, and deforms the expansion sleeve 14 outwards in a split type manner, so that the outer wall of the expansion sleeve 14 is in pressing contact with the addendum circle of the involute internal spline of the high-speed end output shaft 4, and the angle measuring system calibration device 1 is connected with the high-speed end output shaft 4 through friction force between the addendum circle of the involute internal spline of the high-speed end output shaft 4 and the addendum circle of the involute internal spline of the high-speed end output shaft 4 generated by the outer wall of the expansion sleeve 14 through pressing deformation. When the device is disassembled, the bolt is screwed out from the through threaded hole of the expansion element 5, the expansion sleeve 14 can restore the shape and is taken out from the involute spline sleeve of the high-speed end output shaft 4.
The top of installed part 6 is provided with the second contact platform that is used for connecting expansion element 5's first contact platform 15, the external diameter of the second contact platform of installed part 6 is less than the internal diameter of the involute internal spline addendum circle of low-speed end input shaft 10. The middle part of installed part 6 is provided with the shaft shoulder location, be provided with on the up end of shaft shoulder location be used for with the involute internal spline tooth top circle matched with cylinder of low-speed end input shaft 10. The multi-tooth indexing table 7 and the multi-face prism 8 are fixedly connected and then jointly sleeved outside the mounting piece 6 and located below the shaft shoulder positioning, and the lower end face of the shaft shoulder positioning is in contact with the upper end face of the multi-tooth indexing table 7 and used for limiting the axial positions of the multi-tooth indexing table 7 and the multi-face prism 8. The tail part of the mounting part 6 is provided with an external thread, and the large round nut 13 is screwed in from the external thread at the tail part of the mounting part 6 to clamp the multi-tooth dividing table 7 and the polygon 8.
In the high-speed end angle measuring system, the driving motor 2 is connected with the high-speed end measuring system 3, and the high-speed end measuring system 3 is connected with the high-speed end output shaft 4. When calibrating the high-speed end measuring system 3, the angle measuring system calibration device 1 is first installed, and the polygon 8 is installed on the high-speed end output shaft 4 station. The expansion element 5 can be installed in the high-speed end output shaft 4, and then the installation part 6, the multi-tooth indexing table 7 and the polygon 8 are connected together and connected with the expansion element 5, so that the installation of the polygon 8 is completed, and the polygon 8 in the angle measuring system calibration device 1 and the circular grating in the high-speed end measuring system 3 can be ensured to rotate coaxially and synchronously. When the expansion element is installed, the upper end face of the first contact platform 15 of the expansion element 5 is in close contact with the lower end face of the high-speed end output shaft 4 to realize axial positioning, and the second contact platform of the installation part 6 is connected with the first contact platform 15 of the expansion element 5; the expansion element 5 is screwed in through a threaded hole of the square clamping part 16 by a bolt, the bolt contacts the inner wall of the expansion sleeve 14 when screwing upwards, so that the expansion sleeve 14 is deformed outwards in a split manner and contacts with the addendum circle of the involute internal spline of the high-speed end output shaft 4, and the angle measuring system calibration device 1 and the high-speed end output shaft 4 are connected together by friction force between the addendum circle of the involute internal spline of the high-speed end output shaft 4 generated by extrusion deformation of the outer wall of the expansion sleeve 14.
In the low-speed end angle measuring system, the load motor 12 is connected to the low-speed end measuring system 11, and the low-speed end measuring system 11 is connected to the low-speed end input shaft 10. When calibrating the low-speed end measuring system 11, the angle measuring system calibration device 1 is first installed, and the polygon 8 is installed on the low-speed end input shaft 10 station. Can with installed part 6 is placed in low-speed end input shaft 10, the structure (including second contact platform and expansion element 5) on the shaft shoulder location upper portion of installed part 6 freely hangs in low-speed end input shaft 10, through the cylinder on the shaft shoulder location of installed part 6 with the involute internal spline tooth top circle of low-speed end input shaft 10 cooperatees, the shaft shoulder location of installed part 6 is kept away from the terminal surface of multiple tooth dividing table 7 with the up end contact of low-speed end input shaft 10 forms the tang cooperation, guarantees polyhedral prism 8 with the axiality of circular grating in the low-speed end measurement system 11. The multi-tooth indexing table 7 and the polygon 8 are positioned by the lower end surface of the shaft shoulder of the mounting piece 6 and clamped by the thread transmission between the large round nut 13 and the mounting piece 6; the multi-tooth indexing table 7 and the multi-face prism 8 are fixedly connected. The mounting pieces 6 are joined together with the multi-tooth indexing table 7 and the polygon 8, completing the mounting of the polygon 8. Through the dead weight of angle measurement system calibrating device 1 guarantees angle measurement system calibrating device 1 with frictional force has between the low-speed end input shaft 10 terminal surface, makes polyhedral prism 8 with low-speed end input shaft 10 can not produce relative rotation, guarantees polyhedral prism 8 with low-speed end measurement system 11's circular grating synchronous revolution.
The angle measuring system calibration device 1 is characterized in that the multi-tooth indexing table 7 is connected with the polygon 8, and the polygon 8 and the circular grating of the high-speed end measuring system 3 or the low-speed end measuring system 11 are subjected to relative angular movement by moving the multi-tooth indexing table 7 to fix an angular value. The working surface of the polygon 8 can be aligned with another group of circular grating angle values to calibrate the circular grating angle. The problem that the number of sampling points is limited to the number of prism surfaces can be solved by changing the moving angle value of the multi-tooth dividing table 7 for many times, and the global calibration effect is good.
The angle measuring system calibrating device 1 is used for calibrating the angle measuring system of the precision speed reducer detector, and comprises the following steps:
step 1, mounting an angle measurement system calibration device 1 on the high-speed end output shaft 4 or the low-speed end input shaft 10 through the mounting structure and the mounting method thereof, and starting calibration after the angle measurement system calibration device 1 is mounted;
step 2, the polygon 8 is provided with n surfaces, and the multi-tooth dividing table 7 rotates by an angle k, wherein k is less than
An angle difference k is set between the polygon 8 and the circular grating of the high-speed end measurement system 3 or the low-speed end measurement system 11;
step 3, the control system controls the driving motor 2 or the load motor 12 to rotate, so that the ith working surface of the polygon 8 is aligned with the photoelectric autocollimator 9, wherein i is 1,2, …, n;
and 8, after the measurement is finished, sequencing the xn calibration angle values according to the small-to-large circular grating angle measurement values corresponding to the xn calibration angle values to obtain the calibration value of the high-speed end measurement system 3 or the low-speed end measurement system 11.
The measuring process of the precision speed reducer detector angle measuring system calibration is that angle values are measured through the circular gratings in the high-speed end measuring system 3 and the low-speed end measuring system 11 of the detector and the polygon 8 in the angle measuring system calibration device 1 respectively, angle data are transmitted to the data acquisition system, and the measured data are further processed through the data acquisition system to obtain a calibration value. And the multi-tooth indexing table 7 drives the polygon 8 to rotate, so that the problem of limited number of angle sampling points is solved, and the effect of global calibration is achieved.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (7)
1. The utility model provides a precision reduction gear detector angle measurement system calibrating device (1) for the angle calibration of high-speed end measurement system (3) and low-speed end measurement system (11) of precision reduction gear detector, its characterized in that includes:
-a polygon (8) for angular calibration of the high speed end measurement system (3) and the low speed end measurement system (11);
the multi-tooth indexing table (7) is fixedly connected with the polygon (8) and is used for enabling the polygon (8), the circular grating of the high-speed end measuring system (3) and the circular grating of the low-speed end measuring system (11) to move at a set angle;
the photoelectric autocollimator (9), the photoelectric autocollimator (9) and the polygon (8) are arranged oppositely, and are used for reading an angle value; and the number of the first and second groups,
and the mounting structure is used for mounting the polyhedral prism (8) and the multi-tooth dividing table (7) on a high-speed end output shaft (4) or a low-speed end input shaft (10) of the precision reducer detector.
2. A precision retarder detector angle measurement system calibration device (1) according to claim 1, wherein the mounting structure comprises an expansion element (5) enabling the multi-tooth indexing table (7) and the polygon (8) to be fixed in a suspended manner on a high speed end of the precision retarder detector, a mounting member (6) for connecting the expansion element (5) with the polygon (8) and the multi-tooth indexing table (7), and a large round nut (13) for clamping the polygon (8) and the multi-tooth indexing table (7);
the expansion element (5) comprises an expansion sleeve (14), a first contact platform (15) and a square clamping part (16) which are connected in sequence; the outer wall of the expansion sleeve (14) is cylindrical, the inner wall of the expansion sleeve (14) is a conical surface, the outer wall of the expansion sleeve (14) is matched with the high-speed end output shaft (4), and the side wall of the upper part of the expansion sleeve (14) is provided with a plurality of rectangular openings which are beneficial to deformation of the expansion sleeve (14); the center of the square clamping part (16) is provided with a through threaded hole;
the top of the mounting (6) is provided with a second contact platform for connecting a first contact platform (15) of the expansion element (5); a shaft shoulder positioning part is arranged in the middle of the mounting part (6), and a cylindrical surface matched with an involute internal spline addendum circle of the low-speed end input shaft (10) is arranged on the upper end surface of the shaft shoulder positioning part; the multi-tooth indexing table (7) and the multi-face prism (8) are fixedly connected and then sleeved outside the mounting piece (6) together and located below the shaft shoulder positioning part, and the lower end face of the shaft shoulder positioning part is in contact with the upper end face of the multi-tooth indexing table (7) and used for limiting the axial positions of the multi-tooth indexing table (7) and the multi-face prism (8); the tail part of the mounting part (6) is provided with an external thread, and the large round nut (13) is screwed in from the external thread at the tail part of the mounting part (6) to clamp the multi-tooth dividing table (7) and the multi-face prism (8).
3. The precision reducer inspection angle measuring system calibrating device (1) according to claim 2, wherein the polygon (8) is required to be installed on a high-speed end output shaft (4) station when the high-speed end measuring system (3) is calibrated, at the moment, the upper end face of the first contact platform (15) of the expansion element (5) is in close contact with the lower end face of the high-speed end output shaft (4) to realize axial positioning, and the second contact platform of the mounting piece (6) is connected with the first contact platform (15) of the expansion element (5); the expansion element (5) is screwed in through a through threaded hole of the square clamping part (16) by a bolt, the bolt contacts the inner wall of the expansion sleeve (14) when screwing upwards, so that the expansion sleeve (14) is in an open pattern type and deforms outwards and contacts with the addendum circle of the involute internal spline of the high-speed end output shaft (4), and the angle measuring system calibration device (1) is connected with the high-speed end output shaft (4) by friction force between the addendum circle of the involute internal spline of the high-speed end output shaft (4) and the friction force generated by extrusion deformation of the outer wall of the expansion sleeve (14).
4. The precision reducer detector angle measurement system calibration device (1) of claim 2, wherein when the low-speed end measurement system (11) is calibrated, the polygon (8) needs to be installed on a low-speed end input shaft (10) station, at this time, a cylindrical surface positioned by a shaft shoulder of the installation piece (6) is matched with an involute internal spline addendum circle of the low-speed end input shaft (10), an end surface of the shaft shoulder of the installation piece (6) positioned far away from the multi-tooth indexing table (7) is contacted with an upper end surface of the low-speed end input shaft (10) to form a spigot fit, and the coaxiality of the polygon (8) and a circular grating of the low-speed end measurement system (11) is ensured; meanwhile, the dead weight of the angle measuring system calibrating device (1) ensures that the angle measuring system calibrating device (1) and the end face of the low-speed end input shaft (10) have friction force, so that the polyhedral prism (8) and the low-speed end input shaft (10) cannot rotate relatively.
5. The precise reducer measuring angle system calibrating device (1) according to claim 2, wherein the diameter of the conical surface inner wall of the expansion sleeve (14) is gradually reduced from bottom to top.
6. The precision reducer detector angle measurement system calibration device (1) according to claim 2, characterized in that a first contact platform (15) of the expansion element (5) is provided with a through connection threaded hole for connecting with a second contact platform of the mounting member (6), and the expansion element (5) and the mounting member (6) are connected into a whole through the through connection threaded hole; the through connection screw hole is provided with a plurality ofly, along the equidistant distribution of circumferencial direction.
7. The precision reducer detector angle measurement system calibration device (1) according to claim 2, wherein the outer diameter of the first contact platform (15) of the expansion element (5) is larger than the inner diameter of the addendum circle of the involute internal spline of the high-speed end output shaft (4) and smaller than the inner diameter of the addendum circle of the involute internal spline of the low-speed end input shaft (10); the outer diameter of a second contact platform of the mounting piece (6) is smaller than the inner diameter of an involute internal spline addendum circle of the low-speed end input shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654108.7U CN210833487U (en) | 2019-09-30 | 2019-09-30 | Calibrating device for angle measuring system of precision speed reducer detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654108.7U CN210833487U (en) | 2019-09-30 | 2019-09-30 | Calibrating device for angle measuring system of precision speed reducer detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210833487U true CN210833487U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921654108.7U Withdrawn - After Issue CN210833487U (en) | 2019-09-30 | 2019-09-30 | Calibrating device for angle measuring system of precision speed reducer detector |
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| Country | Link |
|---|---|
| CN (1) | CN210833487U (en) |
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2019
- 2019-09-30 CN CN201921654108.7U patent/CN210833487U/en not_active Withdrawn - After Issue
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