CN113791645A - Full-closed-loop double-shaft corner table and coaxial design method - Google Patents
Full-closed-loop double-shaft corner table and coaxial design method Download PDFInfo
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- CN113791645A CN113791645A CN202110809744.8A CN202110809744A CN113791645A CN 113791645 A CN113791645 A CN 113791645A CN 202110809744 A CN202110809744 A CN 202110809744A CN 113791645 A CN113791645 A CN 113791645A
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- 238000005096 rolling process Methods 0.000 claims abstract description 106
- 210000004907 gland Anatomy 0.000 claims description 14
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- 230000010354 integration Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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Abstract
The invention discloses a full-closed-loop double-shaft corner platform and a coaxial design method. The twisting table comprises a twisting table top, a twisting stepped shaft assembly, a shaft end flange power assembly and a tail circular grating assembly. The rolling platform comprises a rolling stepped shaft assembly, a shaft end nested power assembly and a head circular grating assembly. The invention realizes the accurate angular displacement of the double-shaft corner platform through the structural design of the stepped shaft, the torque motor and the encoder system, and meets the design requirements of the compactness and the precision of a torsion shaft system and a rolling shaft system.
Description
Technical Field
The invention relates to a precise angle double-shaft adjusting device, in particular to a full-closed-loop double-shaft corner table and a coaxial design method.
Background
In optical experiments, weapon equipment tracking systems and automatic docking systems, the application of multi-axis rotary tables is extremely wide, and especially in the fully closed-loop double-axis corner table with a grating ruler, the current civil field of the double-axis corner table has the main problems that the radial runout of a table top caused by low assembly coaxiality is overlarge, the external dimension of the corner table caused by unreasonable structural design is overlarge, and the design requirements of compactness and precision cannot be met.
Disclosure of Invention
In order to meet the design requirements of compactness and precision of the double-shaft corner platform, the full-closed-loop double-shaft corner platform and the coaxial design method can realize double-shaft closed-loop adjustment of a torsion angle and a rolling angle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the full-closed-loop double-shaft corner table comprises a twisting table, a rolling table and an electric socket, wherein the twisting table realizes 360-degree twisting along the axis of the twisting table, the rolling table realizes 360-degree rolling perpendicular to the axis of the twisting table, and the electric socket realizes integration and output of power and signal lines in the twisting table and the rolling table.
The twisting table comprises a twisting table top, a twisting stepped shaft assembly, a shaft end flange power assembly and a tail circular grating assembly. The shaft end flange power assembly adopts a torque motor stator and a rotor to realize power input, drives the stepped shaft in the torsion stepped shaft assembly to rotate, and then realizes the precise rotation of the torsion table top bolted with the stepped shaft.
The torsion stepped shaft assembly comprises a torsion stepped shaft, a torsion bearing seat, a torsion outer ring gasket, a torsion inner ring gasket, a cup bottom bearing, a cup opening bearing and a bearing gland. And sequentially sleeving the cup bearing, the torsion outer ring gasket and the torsion inner ring gasket on the torsion stepped shaft, then sleeving the assembled assembly into a torsion bearing seat in a spinning manner, and finally bolting a bearing gland to realize the assembly of the torsion stepped shaft assembly.
The shaft end flange power assembly comprises a shaft end flange plate, a torsion torque motor stator and a torsion torque motor rotor. The stator of the torsional moment motor is pressed on the shell in a cover plate mode, and the rotor of the torsional moment motor is bolted with the shaft end flange plate.
The tail circular grating assembly comprises a torsion coded disc, a torsion reading head and a torsion reading head support. The torsion coded disc is arranged at the tail end of the shaft end flange, and the torsion reading head support is fixed on the torsion table shell, so that the positions and postures of the torsion reading head and the torsion coded disc are ensured.
The coaxial design method of the twisting platform comprises the following steps:
s1: the small clearance fit of the top inner boss of the torsion stepped shaft and the torsion table top is realized;
s2: the bearing mounting surface of the torsion stepped shaft is matched with the small-gap base holes of the cup-mouth bearing and the cup-bottom bearing;
s3: the inner boss at the tail part of the torsion stepped shaft is in close clearance fit with the boss at the top part of the shaft end flange plate;
s4: the boss in the middle of the shaft end flange plate is in small clearance fit with the rotor of the torsional moment motor;
s5: the right-angle surface at the bottom of the shaft end flange plate is in small clearance fit with the torsion coded disc.
The rolling platform comprises a rolling stepped shaft assembly, a shaft end nested power assembly and a head circular grating assembly. The shaft end nested power assembly also adopts a torque motor stator and a rotor to realize power input, but the torque motor assembly, an external shell and a bearing seat realize spatial nesting to drive a rolling stepped shaft to rotate, and a stepped shaft flange directly drives an external load to realize precise rolling.
The rolling stepped shaft assembly comprises a rolling stepped shaft, a rolling bearing seat, a rolling outer ring gasket, a rolling inner ring gasket, an output end bearing, a power end bearing and a gland. The power end bearing, the rolling outer ring gasket, the rolling inner ring gasket and the output end bearing are sequentially arranged in the rolling bearing seat, inserted into the rolling stepped shaft, and then the gland is bolted to the rolling stepped shaft, so that the axial positioning of the output end bearing is realized.
The shaft end nested power assembly comprises a nested flange, a rolling torque motor rotor and a rolling torque motor stator. The rolling torque motor stator is pressed on the rolling platform shell in a cover plate mode, and the rolling torque motor rotor is bolted with the nested flange.
The head circular grating assembly comprises a head code wheel, a head reading head and a head reading head support. The head coded disc is arranged at the output end of the rolling stepped shaft, and the head reading head support is fixed on the rolling table shell to ensure the positions and postures of the head reading head and the head coded disc.
The coaxial design method of the rolling table comprises the following steps:
s1: an inner boss at the top of the rolling stepped shaft is in close clearance fit with a rotor of the rolling torque motor;
s2: the bearing mounting surface of the rolling stepped shaft is matched with the base holes of the output end bearing and the power end bearing;
s3: an inner boss at the tail part of the rolling stepped shaft is in small clearance fit with a boss at the top part of the nested flange;
s4: the right-angle surface at the bottom of the nested flange plate is in small clearance fit with the rotor of the rolling torque motor.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: according to the full-closed-loop double-shaft corner platform and the coaxial design method, the precise angular displacement of the double-shaft corner platform is realized through the structural design of the stepped shaft, the torque motor and the encoder system, and the design requirements of compactness and precision of a torsion shaft system and a rolling shaft system are met.
Drawings
FIG. 1 is a view showing a structure of a double-shaft corner table
FIG. 2 is a cross-sectional view of a dual-axis corner stand
FIG. 3 is a cross-sectional view of a twist table
FIG. 4. torsion stepped shaft configuration and cross-sectional view
FIG. 5 shows a shaft end flange structure and a cross-sectional view
FIG. 6 is a sectional view of the roller table
FIG. 7 rolling stepped shaft structure and cross-sectional view
Figure 8 nested flange configuration and cross-sectional view
The labels in the figures are: 1 torsion table, 1.1 torsion table top, 1.2 torsion stepped shaft, 1.3 torsion bearing seat, 1.4 bearing gland, 1.5 shaft end flange, 1.6 torsion torque motor rotor, 1.7 torsion torque motor stator, 1.8 torsion code disc, 1.9 electrical box, 1.10 sealing cover, 1.11 cup bearing, 1.12 torsion outer ring gasket, 1.13 torsion inner ring gasket, 1.14 cup bottom bearing, 1.15 torsion table shell, 1.16 torsion reading head support, 1.17 torsion reading head, 2 rolling table, 2.1 nested flange, 2.2 rolling torque motor rotor, 2.3 rolling torque motor stator, 2.4 rolling bearing seat, 2.5 rolling table shell, 2.6 head, 2.7 rolling stepped shaft, 2.8 rolling table cover, 2.9 gland, 2.10 rolling inner ring gasket, 2.11 rolling outer ring gasket, 2.12 end power bearing, 2.13 output end bearing, 3 electrical code disc.
Detailed Description
Referring to the attached figure 1, the full-closed-loop double-shaft corner table comprises a twisting table 1, a rolling table 2 and an electric socket 3, wherein the twisting table 1 realizes 360-degree twisting along the axis of the twisting table, the rolling table 2 realizes 360-degree rolling perpendicular to the axis of the twisting table, and the electric socket 3 realizes integration and output of power and signal lines in the twisting table and the rolling table.
As shown in fig. 3, the 1-twist table comprises a 1.1-twist table top, a twist stepped shaft assembly, a shaft end flange power assembly and a tail circular grating assembly. The shaft end flange power assembly adopts a torque motor stator and a rotor to realize power input, drives the stepped shaft in the torsion stepped shaft assembly to rotate, and then realizes the precise rotation of the torsion table top bolted with the stepped shaft.
The torsion stepped shaft assembly comprises a 1.2 torsion stepped shaft, a 1.3 torsion bearing seat, a 1.12 torsion outer ring gasket, a 1.13 torsion inner ring gasket, a 1.14 cup bottom bearing, a 1.11 cup mouth bearing and a 1.4 bearing gland. And sequentially sleeving a 1.11 cup bearing, a 1.12 torsion outer ring gasket and a 1.13 torsion inner ring gasket on a 1.2 torsion stepped shaft, then sleeving the assembled assembly into a 1.3 torsion bearing seat in a spinning manner, and finally bolting a 1.4 bearing gland to realize the assembly of the torsion stepped shaft assembly.
The shaft end flange power assembly comprises a 1.5 shaft end flange plate, a 1.7 torsion torque motor stator and a 1.6 torsion torque motor rotor. 1.7 the stator of the torque motor is pressed on the shell by adopting a cover plate, and the rotor of the 1.6 torque motor is bolted with the flange plate at the shaft end of 1.5.
The tail circular grating assembly comprises a 1.8 torsion code disc, a 1.17 torsion reading head and a 1.16 torsion reading head support. The 1.8 twist code disc is arranged at the tail end of the 1.5 shaft end flange, and the 1.16 twist reading head support is fixed on the 1.15 twist turntable shell, so that the positions and postures of the 1.16 twist reading head and the 1.8 twist code disc are ensured.
The coaxial design method of the twisting platform comprises the following steps:
s1: 1.2.1 the top inner boss of the torsion stepped shaft is matched with the small clearance of the 1.1 torsion table-board;
s2: 1.2.2 the bearing mounting surface of the torsion stepped shaft is matched with the small-gap base hole of the 1.11 cup-mouth bearing and the 1.14 cup-bottom bearing;
s3: 1.2.3 the small clearance fit of the boss at the tail part of the torsion stepped shaft and the boss at the top part of the flange plate at the shaft end of 1.5.1;
s4: 1.5.2 the boss in the middle of the shaft end flange plate is in clearance fit with the small gap of the 1.6 torsion torque motor rotor;
s5: the right-angle surface at the bottom of the flange plate at the shaft end of 1.5.3 is matched with the small clearance of the 1.8 torsion coded disc.
The 2 rolling table comprises a rolling stepped shaft assembly, a shaft end nested power assembly and a head circular grating assembly. The shaft end nested power assembly also adopts a torque motor stator and a rotor to realize power input, but the torque motor assembly, an external shell and a bearing seat realize spatial nesting to drive a rolling stepped shaft to rotate, and a stepped shaft flange directly drives an external load to realize precise rolling.
The rolling stepped shaft assembly comprises a 2.7 rolling stepped shaft, a 2.4 rolling bearing seat, a 2.11 rolling outer ring gasket, a 2.10 rolling inner ring gasket, a 2.13 output end bearing, a 2.12 power end bearing and a 2.9 gland. The 2.12 power end bearing, the 2.11 rolling outer ring gasket, the 2.10 rolling inner ring gasket and the 2.13 output end bearing are sequentially installed in a 2.4 rolling bearing seat, inserted into a 2.7 rolling stepped shaft, and then a 2.9 gland is bolted to the 2.7 rolling stepped shaft, so that the axial positioning of the 2.13 output end bearing is realized.
The shaft end nested power assembly comprises a 2.1 nested flange, a 2.2 rolling torque motor rotor and a 2.3 rolling torque motor stator. 2.3 the rolling torque motor stator is pressed on the 2.5 rolling platform shell by adopting a cover plate mode, and the 2.2 rolling torque motor rotor is bolted with the 2.1 nested flange.
The head circular grating assembly comprises a 2.6 head code disc, a 2.14 head reading head and a 2.15 head reading head support. The 2.6 head code wheel is arranged at the output end of the 2.7 rolling stepped shaft, and the 2.15 head reading head support is fixed on the 2.5 rolling table shell, so that the positions and postures of the 2.14 head reading head and the 2.6 head code wheel are ensured.
2 the coaxial design method of the rolling platform comprises the following steps:
s1: 2.7.1 the top inner boss of the rolling stepped shaft is in close clearance fit with the rotor of the 2.2 rolling torque motor;
s2: 2.7.2 the bearing mounting surface of the rolling stepped shaft is matched with the base holes of the 2.13 output end bearing and the 2.12 power end bearing;
s3: 2.7.3 the inner boss at the tail part of the rolling stepped shaft is matched with the small clearance of the boss at the top part of the 2.1.1 nested flange;
s4: the right-angle surface at the bottom of the 2.1.2 nested flange plate is in clearance fit with the small gap of the rotor of the 2.2 rolling torque motor.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: according to the full-closed-loop double-shaft corner platform and the coaxial design method, the precise angular displacement of the double-shaft corner platform is realized through the structural design of the stepped shaft, the torque motor and the encoder system, and the design requirements of compactness and precision of a torsion shaft system and a rolling shaft system are met.
Claims (10)
1. The utility model provides a full cut-off ring biax corner platform which characterized in that: the electric socket realizes the integration and output of power and signal lines in the twisting table and the rolling table.
2. A fully closed-loop dual-axis corner stand according to claim 1, wherein: the torsion table comprises a torsion table top, a torsion stepped shaft assembly, a shaft end flange power assembly and a tail circular grating assembly; the shaft end flange power assembly adopts a torque motor stator and a rotor to realize power input, drives the stepped shaft in the torsion stepped shaft assembly to rotate, and then realizes the precise rotation of the torsion table top bolted with the stepped shaft.
3. A fully closed-loop dual-axis corner stand according to claim 2, wherein: the torsion stepped shaft assembly comprises a torsion stepped shaft, a torsion bearing seat, a torsion outer ring gasket, a torsion inner ring gasket, a cup bottom bearing, a cup opening bearing and a bearing gland; and sequentially sleeving the cup bearing, the torsion outer ring gasket and the torsion inner ring gasket on the torsion stepped shaft, then sleeving the assembled assembly into a torsion bearing seat in a spinning manner, and finally bolting a bearing gland to realize the assembly of the torsion stepped shaft assembly.
4. A fully closed-loop dual-axis corner stand according to claim 2, wherein: the shaft end flange power assembly comprises a shaft end flange plate, a torsion torque motor stator and a torsion torque motor rotor; the stator of the torsional moment motor is pressed on the shell in a cover plate mode, and the rotor of the torsional moment motor is bolted with the shaft end flange plate.
5. A fully closed-loop dual-axis corner stand according to claim 2, wherein: the tail circular grating assembly comprises a torsion coded disc, a torsion reading head and a torsion reading head support; the torsion coded disc is arranged at the tail end of the shaft end flange, and the torsion reading head support is fixed on the torsion table shell, so that the positions and postures of the torsion reading head and the torsion coded disc are ensured.
6. A fully closed-loop dual-axis corner stand according to claim 1, wherein: the coaxial design method of the twisting platform comprises the following steps:
s1: the small clearance fit of the top inner boss of the torsion stepped shaft and the torsion table top is realized;
s2: the bearing mounting surface of the torsion stepped shaft is matched with the small-gap base holes of the cup-mouth bearing and the cup-bottom bearing;
s3: the inner boss at the tail part of the torsion stepped shaft is in close clearance fit with the boss at the top part of the shaft end flange plate;
s4: the boss in the middle of the shaft end flange plate is in small clearance fit with the rotor of the torsional moment motor;
s5: the right-angle surface at the bottom of the shaft end flange plate is in small clearance fit with the torsion coded disc.
7. A fully closed-loop dual-axis corner stand according to claim 1, wherein: the rolling table comprises a rolling stepped shaft assembly, a shaft end nested power assembly and a head circular grating assembly; the shaft end nested power assembly also adopts a torque motor stator and a rotor to realize power input, but the torque motor assembly, an external shell and a bearing seat realize spatial nesting to drive a rolling stepped shaft to rotate, and a stepped shaft flange directly drives an external load to realize precise rolling.
8. A fully closed-loop dual-axis corner stand according to claim 7, wherein: the rolling stepped shaft assembly comprises a rolling stepped shaft, a rolling bearing seat, a rolling outer ring gasket, a rolling inner ring gasket, an output end bearing, a power end bearing and a gland; the power end bearing, the rolling outer ring gasket, the rolling inner ring gasket and the output end bearing are sequentially arranged in the rolling bearing seat, inserted into the rolling stepped shaft, and then the gland is bolted to the rolling stepped shaft, so that the axial positioning of the output end bearing is realized.
9. A fully closed-loop dual-axis corner stand according to claim 7, wherein: the shaft end nested power assembly comprises a nested flange, a rolling torque motor rotor and a rolling torque motor stator; the rolling torque motor stator is pressed on the rolling table shell in a cover plate mode, and the rolling torque motor rotor is bolted with the nested flange;
the head circular grating assembly comprises a head coded disc, a head reading head and a head reading head support; the head coded disc is arranged at the output end of the rolling stepped shaft, and the head reading head support is fixed on the rolling table shell to ensure the positions and postures of the head reading head and the head coded disc.
10. A fully closed-loop dual-axis corner stand according to claim 1, wherein: the coaxial design method of the rolling table comprises the following steps:
s1: an inner boss at the top of the rolling stepped shaft is in close clearance fit with a rotor of the rolling torque motor;
s2: the bearing mounting surface of the rolling stepped shaft is matched with the base holes of the output end bearing and the power end bearing;
s3: an inner boss at the tail part of the rolling stepped shaft is in small clearance fit with a boss at the top part of the nested flange;
s4: the right-angle surface at the bottom of the nested flange plate is in small clearance fit with the rotor of the rolling torque motor.
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| CN202110809744.8A CN113791645B (en) | 2021-07-17 | 2021-07-17 | Full-closed-loop double-shaft corner table and coaxial design method |
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| CN202110809744.8A CN113791645B (en) | 2021-07-17 | 2021-07-17 | Full-closed-loop double-shaft corner table and coaxial design method |
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| CN113791645B CN113791645B (en) | 2024-04-26 |
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| CN113791645B (en) | 2024-04-26 |
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