CN105333109A - Surrounded type precision shaft system and intermediate assembling and adjusting structure thereof - Google Patents
Surrounded type precision shaft system and intermediate assembling and adjusting structure thereof Download PDFInfo
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- CN105333109A CN105333109A CN201510849148.7A CN201510849148A CN105333109A CN 105333109 A CN105333109 A CN 105333109A CN 201510849148 A CN201510849148 A CN 201510849148A CN 105333109 A CN105333109 A CN 105333109A
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- contact ball
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- ball bearing
- angular contact
- axle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0222—Lateral adjustment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0228—Mounting with rough tolerances and fine adjustment after assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a surrounded type precision shaft system and an intermediate assembling and adjusting structure thereof. The surrounded type precision shaft system comprises a spindle, a bearing pedestal, an encoder, a moment machine, a first angular contact ball bearing, a second angular contact ball bearing, a first load and a second load. The spindle comprises a central shaft, a left shaft end and a right shaft end, wherein the left shaft end and the right shaft end are arranged at the two ends of the central shaft and coaxial with the central shaft, and the radial size of the left shaft end and the radial size of the right shaft end are larger than that of the central shaft; the right shaft end and the central shaft are of an integrated structure, and the left shaft end is connected with the central shaft through a threaded fastener. The left shaft end is connected with the bearing pedestal through the first angular contact ball bearing, and the right shaft end is connected with the bearing pedestal through the second angular contact ball bearing. The encoder and the moment machine are arranged on the spindle and located between the two angular contact ball bearings, and the first load and the second load are located in the positions, outside the two angular contact ball bearings, of the spindle respectively. According to the structure of the surrounded type precision shaft system, the shaft system space is greatly reduced, moreover, the precision of the shaft system is further improved, and meanwhile the loads can be mounted at the left end and the right end respectively, so that the bearing capacity is improved.
Description
Technical field
The invention belongs to precision optical machinery dress field, school, relate to a kind of encircling type precision bearing system and structure is debug in centre.
Background technique
In the design proposal of precision bearing system, generally take following two kinds of forms:
Scheme 1: simply supported beam form.As shown in Figure 1, wherein A end is positioning end, generally takes a pair alignment bearing (as angular contact ball bearing group, adopting DB type or DF type to install); Right-hand member is supported end, is generally a travelling bearing (as deep groove ball bearing).Encoder is arranged on positioning end, and moment machine is arranged on supported end.Generally, load adopts " H " type to be distributed in centre.
Scheme 2: for small-size shaft system or the little axle system of axle system Environmental Conditions temperature variation, in order to save space and improve precision, can directly use a pair alignment bearing (as angular contact ball bearing group, DB type or DF type is adopted to install) composition precision bearing system, install encoder and torque motor at its two ends respectively, structure as shown in Figure 2.Generally, load adopts T-shape to be distributed in two ends.
Due in precision bearing system design, angular contact ball bearing group, as positioning end, both can bear radial forces, can also bear axial force, so be widely used.But due to angular contact ball bearing group, no matter adopt scheme 1 or scheme 2, its axle system span spatially goes up can not be too little, and load has a definite limitation.
Summary of the invention
When shaft size and weight have strict demand, especially in the precision bearing system situation to " little axle system, large the weight load of the phase shaft itself (and larger) load ", adopt the axle system scheme in background technique often cannot meet the demands, for this reason, the invention provides a kind of encircling type precision bearing system, structure is debug in the centre simultaneously proposed for this encircling type precision bearing system.
Technical solution of the present invention is:
Encircling type precision bearing system provided by the present invention, comprise main shaft, bearing support 3, encoder, moment machine, the first angular contact ball bearing 1, second angular contact ball bearing 12, load 1 and load 2, its special way is:
The radial dimension that described main shaft comprises central shaft and is arranged on central shaft two ends is greater than axle left end 16 and the axle right-hand member 11 of central shaft, described axle left end 16, axle right-hand member 11 are arranged with central axis, described axle right-hand member 11 is integrated with central shaft, and described axle left end 16 is connected by threaded fastener with central shaft;
Described bearing support 3 has clutch shaft bearing hole and second bearing hole of the coaxial setting in two, left and right, described first angular contact ball bearing 1 and the second angular contact ball bearing 12 lay respectively in clutch shaft bearing hole and the second bearing hole, described axle left end 16 is connected with bearing support 3 by the first angular contact ball bearing 1, described axle right-hand member 11 is connected with bearing support 3 by the second angular contact ball bearing 12
Trim ring 17 and the outer trim ring 18 of the first angular contact ball bearing in arranged outside first angular contact ball bearing of described first angular contact ball bearing 1, in described first angular contact ball bearing, trim ring 17 is connected by threaded fastener and axle left end 16, and the outer trim ring 18 of described first angular contact ball bearing is connected by threaded fastener and bearing support 3 left end; Trim ring 9 and the outer trim ring 8 of the second angular contact ball bearing in arranged outside second angular contact ball bearing of described second angular contact ball bearing 12, in described second angular contact ball bearing, trim ring 17 is connected by threaded fastener and axle right-hand member 16, and the outer trim ring 8 of described second angular contact ball bearing is connected by threaded fastener and bearing support 3 right-hand member;
Described encoder and moment machine arrange on the main shaft between two angular contact ball bearings, and load 1 and load 2 lay respectively on the main shaft outside two angular contact ball bearings.
Above-mentioned encoder rotor 14 is installed on axle left end 16, has encoder rotor to repair and cut pad 15 between encoder rotor 14 and axle left end 16; Encoder stator 5 is installed on bearing support 3, has encoder stator to repair and cut pad 4 between encoder stator 5 and bearing support 3; The rotor of encoder and the parallelism of stator, interval are repaiied by encoder rotor and are cut pad 15 and encoder stator and repair and cut repairing of pad 4 and grind guarantee;
Optoelectronic switch shielding plate 13 is installed on encoder 14 rotor, and optoelectronic switch 6 is installed on bearing support, and the operating range realizing shaft controls;
Moment machine stator 7 is installed on bearing support 3, and moment machine rotor 10 is installed on axle right-hand member 11.
Above-mentioned first angular contact ball bearing 1 and the second angular contact ball bearing 12 form DF or DB installation form.
Structure is debug in the centre that present invention also offers a kind of encircling type axle system, its special way is: comprise main shaft system and auxiliary mould axle system, described main shaft system comprises main shaft, bearing support, encoder, moment machine, the first angular contact ball bearing and the second angular contact ball bearing, it is characterized in that:
The radial dimension that described main shaft comprises central shaft and is arranged on central shaft two ends is greater than axle left end 16 and the axle right-hand member 11 of central shaft, described axle left end 16, axle right-hand member 11 are arranged with central axis, described axle right-hand member 11 is integrated with central shaft, and described axle left end 16 is connected by threaded fastener with central shaft;
Described bearing support 3 has clutch shaft bearing hole and second bearing hole of the coaxial setting in two, left and right, described first angular contact ball bearing 1 and the second angular contact ball bearing 12 lay respectively in clutch shaft bearing hole and the second bearing hole, described axle left end 16 is connected with bearing support 3 by the first angular contact ball bearing 1, described axle right-hand member 11 is connected with bearing support 3 by the second angular contact ball bearing 12
The outside of each angular contact ball bearing is respectively arranged with trim ring and the outer trim ring of bearing for compression axis bearing outer-ring in the bearing for compressing bearing inner race, in two bearings, trim ring is connected with axle left end and axle right-hand member respectively by threaded fastener, two outer trim rings of bearing are connected to the both sides of bearing support by threaded fastener
Described auxiliary mould axle system comprises trim ring 22 in auxiliary mould bearing support 20, auxiliary mould axle 19, triangle contact ball bearing 21, the outer trim ring 23 of triangle contact ball bearing and triangle contact ball bearing, described auxiliary mould axle 19 is installed on the axle left end 16 of main shaft system, and described auxiliary mould axle 19 and axle left end 16, axle right-hand member 11 assemblying body are coaxial; Described auxiliary mould bearing support 20 is installed on the outer trim ring 18 of the first angular contact ball bearing of main shaft system, triangle contact ball bearing 21 is installed in auxiliary mould bearing support 20, triangle contact ball bearing 21 inner ring is compressed by trim ring 22 in connection delta contact bearing, and triangle contact ball bearing 21 is compressed by the outer trim ring 23 of triangle contact ball bearing.
When the first angular contact ball bearing 1 and the second angular contact ball bearing 12 form DF installation form, the first angular contact ball bearing 1 and triangle contact ball bearing 21 form uses DB installation form.When the first angular contact ball bearing 1 and the second angular contact ball bearing 12 form DB installation form, the first angular contact ball bearing 1 and triangle contact ball bearing 21 form uses DF installation form.
Compared with prior art, advantage is in the present invention:
1, innovative design " encircling type precision bearing system " in the design of axle system, a deep groove ball bearing is eliminated in the condition license situations such as Environmental Conditions temperature control, a precision bearing system is formed by by two angular contact ball bearings, encoder and moment machine are in the layout of in the middle of two angular contact ball bearings simultaneously, so not only greatly reduce axle system space, and further increase the precision of axle system, at two ends, left and right, a load can be respectively installed simultaneously, add bearing capacity.
2, one " complementary axle system Reference Transforming method " is proposed on when the dress school of precision bearing system.Conventional for " encircling type precision bearing system " as shown in the figure, when encoder and moment machine are debug, because needs just carry out encoder and the installation of moment machine before precision bearing system does not assemble, result can only be taked " blind dress ", do not ensure to debug precision, also can not carry out precision adjustment.Complementary axle system Reference Transforming method utilizes auxiliary mould axle system to carry out Reference Transforming, and solve a difficult problem such as school such as dress such as precision such as " encircling type axle system " encoder, moment machine etc., encoder is debug precision and is guaranteed.
The present invention is through Practical Project checking, practical, and shafting precision, encoder measuring precision of angle, axle system control accuracy are all highly ensured.
3, an angular contact ball bearing in the middle of main shaft system and auxiliary axis system shares as excessive part by the present invention.According to composition shafting design principle, define two complementary shafting structures.Adding auxiliary axis system is a great innovation, adopts complementary structure to be also a great innovation.
Accompanying drawing explanation
Fig. 1 is the shafting structure framework of simply supported beam form;
Fig. 2 is T-shaped shafting structure framework;
Fig. 3 is encircling type shafting structure framework of the present invention;
Fig. 4 represents main shaft system erection drawing;
Fig. 5 represents that structure is debug in the centre of having installed auxiliary axis system;
Fig. 6 represents the erection drawing pulling down central shaft;
Fig. 7 represents the erection drawing installing code-disc, stator;
Fig. 8 represents the erection drawing installing photoswitc catch and moment machine stator;
Fig. 9 represents and is connected with axle right-hand member by moment machine rotor, and loads the erection drawing of main shaft system;
Figure 10 represents the encircling type shafting structure figure having pulled down auxiliary axis system.
Wherein reference character is: 1-first angular contact ball bearing, 2-angular contact ball bearing group is repaiied and is cut pad, 3-bearing support, 4-encoder stator is repaiied and is cut pad, 5-encoder stator, 6-optoelectronic switch, 7-moment machine stator, the outer trim ring of 8-second angular contact ball bearing, trim ring in 9-second angular contact ball bearing, 10-moment machine rotor, 11-axle right-hand member, 12-second angular contact ball bearing, 13-optoelectronic switch shielding plate, 14-encoder rotor, 15-encoder rotor is repaiied and is cut pad, 16-axle left end, trim ring in 17-first angular contact ball bearing, the outer trim ring of 18-first angular contact ball bearing, 19-auxiliary mould axle, 20-auxiliary mould bearing support, 21-triangle contact ball bearing, trim ring in 22-triangle contact ball bearing, the outer trim ring of 23-triangle contact ball bearing.
Embodiment
The present invention is according to the requirement of certain miniature precision axle system, load adopts T-shape distribution, in precision bearing system design, A end is held with B and is adopted an angular contact ball bearing respectively, A, B end adopts " DB type " or " DF type " mounting type, be installed in the middle of pair of horns contact ball bearing group by assemblies such as moment machine, encoders, two load are distributed in left and right two ends respectively.Its advantage has saved axial design distance greatly, and precision bearing system overall dimensions and weight are reduced greatly, and structure as shown in Figure 3.
The working principle of encircling type precision bearing system scheme: precision bearing system adopts DF installation form composition primarily of pair of horns contact ball bearing group, angular contact ball bearing group is installed in bearing support 3, and brearing bore loads axle left end 16 and axle right-hand member 11 (the left and right Combined machining that needs ensures coaxality).Axle system pretightening force and shafting precision rely on angular contact ball bearing group to repair the adjustment of cutting pad 2 and realize.First angular contact ball bearing 1 inner ring is compressed by trim ring 17 in the first angular contact ball bearing, and the first angular contact ball bearing 1 outer ring is compressed by the outer trim ring 18 of the first angular contact ball bearing; Second angular contact ball bearing 12 inner ring is compressed by trim ring 9 in the second angular contact ball bearing, and the second angular contact ball bearing 12 outer ring is compressed by the outer trim ring 8 of the second angular contact ball bearing.
Encoder rotor 14 is installed on axle left end 16, has encoder rotor to repair and cut pad 15 between encoder rotor 14 and axle left end 16; Encoder stator 5 is installed on bearing support 3, has encoder stator to repair and cut pad 4 between encoder stator 5 and bearing support 3; The rotor of encoder and the parallelism of stator, interval are repaiied by encoder rotor and are cut pad 15 and encoder stator and repair and cut repairing of pad 4 and grind guarantee; Encoder mainly realizes the angle of axle system and the data acquisition and controlling of angular velocity.
Optoelectronic switch shielding plate 13 is installed on encoder 14 rotor, and optoelectronic switch 6 is installed on bearing support, and the operating range realizing shaft controls.Moment machine stator 7 is installed on bearing support 3, and moment machine rotor 10 is installed on axle right-hand member 11, mainly provides axle system rotating power.
The working principle of complementary auxiliary mould axle system: due in this example, main shaft system have employed the pair of horns contact ball bearing group of DF installation form, so auxiliary mould axle system adopts complementary structure, i.e. the angular contact ball bearing group of a pair DB mount type.
Auxiliary mould axle 19 is installed on the axle left end 16 of main shaft system, ensures that its axle left end 16 with main shaft system, axle right-hand member 11 assemblying body are coaxial.Auxiliary mould bearing support 20 is installed on the outer trim ring 18 of main shaft system first angular contact ball bearing.Tooling shaft system triangle contact ball bearing 21 is installed in auxiliary mould bearing support 20, is located through tooling shaft system triangle contact ball bearing 21 by auxiliary mould axle 19.Triangle contact ball bearing 21 inner ring is compressed by trim ring 22 in connection delta contact bearing, and triangle contact ball bearing 21 is compressed by the outer trim ring 23 of triangle contact ball bearing.Triangle contact ball bearing 21 and the first angular contact ball bearing 1 of main shaft system partner the auxiliary mould axle system of DB installation form jointly.
The dress school side case of complementary axle system Reference Transforming method precision bearing system:
In axle system precision is debug, first accurate dress school main shaft system (encoder, moment machine temporarily do not fill), is benchmark with main shaft, increases complementary auxiliary mould axle system; Removing main shaft system, is that benchmark precision debugs encoder, moment machine with auxiliary mould axle; Be that base weight newly debugs main shaft system with complementary auxiliary mould axle; Remove auxiliary mould axle system, the precision dress school of precision bearing system completes; Be that basis point does not debug load in two ends with main shaft again.Its concrete steps are as follows:
1] main shaft system assembling (as shown in Figure 4)
Trim ring, the outer trim ring of bearing in central shaft, axle left end, axle right-hand member, bearing support, two angular contact ball bearings, bearing are installed;
2] increase complementary auxiliary mould axle system at the left end of main shaft system, auxiliary mould axle system coaxial with main shaft system (as shown in Figure 5), is specially:
2.1] at axle left end, auxiliary mould axle is installed, the radial dimension that auxiliary mould axle comprises center tooling shaft and is arranged on tooling shaft two ends, center is greater than tooling shaft left end and the tooling shaft right-hand member of center tooling shaft, center tooling shaft, tooling shaft left end and tooling shaft right-hand member are coaxially arranged, and described auxiliary mould axle and axle left end 16, axle right-hand member 11 assemblying body are coaxial;
2.2] triangle contact ball bearing is arranged in auxiliary mould bearing support 20;
2.3] outer to auxiliary mould bearing support 20 and the first angular contact ball bearing trim ring is fixedly connected with; Tooling shaft left end is connected with auxiliary mould bearing support by triangle contact ball bearing,
2.4] trim ring and the outer trim ring of triangle contact ball bearing in triangle contact ball bearing arranged outside triangle contact ball bearing, in triangle contact ball bearing, trim ring is connected by threaded fastener with tooling shaft left end; The outer trim ring of triangle contact ball bearing is connected by threaded fastener with auxiliary mould bearing support left end;
2.5] check that end is jumped, footpath is jumped and axle system rocks.
3] central shaft and the link between central shaft and bearing support (as shown in Figure 6) is removed;
4] be accurate with auxiliary mould axle, encoder, moment machine are installed; Be specially:
4.1] encoder rotor and encoder stator and axle left end are coaxially installed, wherein encoder rotor is fixedly connected with by threaded fastener with axle left end, and encoder stator is fixedly connected with (as Fig. 7) by threaded fastener with bearing support,
4.2] optoelectronic switch shielding plate 13 is installed on encoder rotor 14 right-hand member, optoelectronic switch shielding plate 13 and axle left end 16 are coaxially installed,
4.3] be fixedly connected with bearing support 3 by optoelectronic switch 6, be fixedly connected with by moment machine stator 7 with bearing support 3, moment machine stator 7 is coaxial with axle left end 16,
4.4] circular runout, end jumping is checked.
5] be accurate with auxiliary mould axle, mounting center axle and the link between central shaft and bearing support (as Fig. 9); Be specially:
5.1] by moment machine rotor cover on center shaft, the right-hand member of moment machine rotor is fixedly connected with axle right-hand member;
5.2] central shaft is loaded bearing support, be fixedly connected with by the left end of central shaft with axle left end, axle right-hand member is connected with bearing support by angular contact bearing, and installs trim ring and the outer trim ring of bearing in bearing.
6] remove auxiliary mould axle system and obtain encircling type shafting structure (as Figure 10) of the present invention;
7] be benchmark with main shaft, debug load at the two ends of main shaft.
Claims (6)
1. an encircling type precision bearing system, comprises main shaft, bearing support (3), encoder, moment machine, the first angular contact ball bearing (1), the second angular contact ball bearing (12), load 1 and load 2, it is characterized in that:
The radial dimension that described main shaft comprises central shaft and is arranged on central shaft two ends is greater than the axle left end (16) of central shaft and axle right-hand member (11), described axle left end (16), axle right-hand member (11) are arranged with central axis, described axle right-hand member (11) and central shaft are integrated, and described axle left end (16) is connected by threaded fastener with central shaft;
Described bearing support (3) has clutch shaft bearing hole and second bearing hole of the coaxial setting in two, left and right, described first angular contact ball bearing (1) and the second angular contact ball bearing (12) lay respectively in clutch shaft bearing hole and the second bearing hole, described axle left end (16) is connected with bearing support (3) by the first angular contact ball bearing (1), described axle right-hand member (11) is connected with bearing support (3) by the second angular contact ball bearing (12)
Trim ring (17) and the outer trim ring (18) of the first angular contact ball bearing in arranged outside first angular contact ball bearing of described first angular contact ball bearing (1), in described first angular contact ball bearing, trim ring (17) is connected by threaded fastener and axle left end (16), and the outer trim ring (18) of described first angular contact ball bearing is connected by threaded fastener and bearing support (3) left end; Trim ring (9) and the outer trim ring (8) of the second angular contact ball bearing in arranged outside second angular contact ball bearing of described second angular contact ball bearing (12), in described second angular contact ball bearing, trim ring (17) is connected by threaded fastener and axle right-hand member (16), and the outer trim ring (8) of described second angular contact ball bearing is connected by threaded fastener and bearing support (3) right-hand member;
Described encoder and moment machine arrange on the main shaft between two angular contact ball bearings, and load 1 and load 2 lay respectively on the main shaft outside two angular contact ball bearings.
2. encircling type precision bearing system according to claim 1, is characterized in that:
Encoder rotor (14) is installed on axle left end (16), has encoder rotor to repair to cut to pad (15) between encoder rotor (14) and axle left end (16); Encoder stator (5) is installed on bearing support (3), has encoder stator to repair to cut to pad (4) between encoder stator (5) and bearing support (3); The rotor of encoder and the parallelism of stator, interval are repaiied to cut by encoder rotor and are padded (15) and encoder stator and repair to cut and pad repairing of (4) and grind guarantee;
Optoelectronic switch shielding plate (13) is installed on encoder (14) rotor, and optoelectronic switch (6) is installed on bearing support, and the operating range realizing shaft controls;
Moment machine stator (7) is installed on bearing support (3), and moment machine rotor (10) is installed on axle right-hand member (11).
3. encircling type precision bearing system according to claim 1 and 2, is characterized in that: the first angular contact ball bearing (1) and the second angular contact ball bearing (12) form DF or DB installation form.
4. structure is debug in the centre of an encircling type precision bearing system, it is characterized in that: comprise main shaft system and auxiliary mould axle system, described main shaft system comprises main shaft, bearing support (3), encoder, moment machine, the first angular contact ball bearing (1) and the second angular contact ball bearing (13), it is characterized in that:
The radial dimension that described main shaft comprises central shaft and is arranged on central shaft two ends is greater than the axle left end (16) of central shaft and axle right-hand member (11), described axle left end (16), axle right-hand member (11) are arranged with central axis, described axle right-hand member (11) and central shaft are integrated, and described axle left end (16) is connected by threaded fastener with central shaft;
Described bearing support (3) has clutch shaft bearing hole and second bearing hole of the coaxial setting in two, left and right, described first angular contact ball bearing (1) and the second angular contact ball bearing (12) lay respectively in clutch shaft bearing hole and the second bearing hole, described axle left end (16) is connected with bearing support (3) by the first angular contact ball bearing (1), and described axle right-hand member (11) is connected with bearing support (3) by the second angular contact ball bearing (12);
The outside of each angular contact ball bearing is respectively arranged with trim ring and the outer trim ring of bearing for compression axis bearing outer-ring in the bearing for compressing bearing inner race, in two bearings, trim ring is connected with axle left end and axle right-hand member respectively by threaded fastener, and two outer trim rings of bearing are connected to the both sides of bearing support (3) by threaded fastener;
Described auxiliary mould axle system comprises trim ring (22) in auxiliary mould bearing support (20), auxiliary mould axle (19), triangle contact ball bearing (21), the outer trim ring (23) of triangle contact ball bearing and triangle contact ball bearing, described auxiliary mould axle (19) is installed on the axle left end (16) of main shaft system, and described auxiliary mould axle (19) and axle left end (16), axle right-hand member (11) assemblying body are coaxial; Described auxiliary mould bearing support (20) is installed on the outer trim ring (18) of the first angular contact ball bearing of main shaft system, triangle contact ball bearing (21) is installed in auxiliary mould bearing support (20), triangle contact ball bearing (21) inner ring is compressed by trim ring (22) in connection delta contact bearing, and triangle contact ball bearing (21) is compressed by the outer trim ring (23) of triangle contact ball bearing.
5. structure is debug in the centre of encircling type precision bearing system according to claim 4, it is characterized in that: the first angular contact ball bearing (1) and the second angular contact ball bearing (12) form DF installation form, the first angular contact ball bearing (1) and triangle contact ball bearing (21) form uses DB installation form.
6. structure is debug in the centre of encircling type precision bearing system according to claim 4, it is characterized in that: the first angular contact ball bearing (1) and the second angular contact ball bearing (12) form DB installation form, the first angular contact ball bearing (1) and triangle contact ball bearing (21) form uses DF installation form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849148.7A CN105333109B (en) | 2015-11-27 | 2015-11-27 | A kind of encircling type precision bearing system and in-between adjustment structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849148.7A CN105333109B (en) | 2015-11-27 | 2015-11-27 | A kind of encircling type precision bearing system and in-between adjustment structure |
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| CN105333109A true CN105333109A (en) | 2016-02-17 |
| CN105333109B CN105333109B (en) | 2017-12-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178145A (en) * | 2020-08-31 | 2021-01-05 | 河北汉光重工有限责任公司 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010014517A (en) * | 2008-07-03 | 2010-01-21 | Shin Ei Tech:Kk | Connection structure of rotary encoder |
| CN103470735A (en) * | 2013-09-09 | 2013-12-25 | 中科院南京天文仪器有限公司 | Single-row angular contact ball bearing paired-mounting method and structure |
| CN104266667A (en) * | 2014-09-30 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Optical encoder installation structure and encoder installation method |
| CN205298477U (en) * | 2015-11-27 | 2016-06-08 | 中国科学院西安光学精密机械研究所 | Accurate shafting of formula of surrouning and structure is debug to centre thereof |
-
2015
- 2015-11-27 CN CN201510849148.7A patent/CN105333109B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010014517A (en) * | 2008-07-03 | 2010-01-21 | Shin Ei Tech:Kk | Connection structure of rotary encoder |
| CN103470735A (en) * | 2013-09-09 | 2013-12-25 | 中科院南京天文仪器有限公司 | Single-row angular contact ball bearing paired-mounting method and structure |
| CN104266667A (en) * | 2014-09-30 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Optical encoder installation structure and encoder installation method |
| CN205298477U (en) * | 2015-11-27 | 2016-06-08 | 中国科学院西安光学精密机械研究所 | Accurate shafting of formula of surrouning and structure is debug to centre thereof |
Non-Patent Citations (1)
| Title |
|---|
| 梁立辉等: "《复合式光电编码器精密轴系设计及准确度分析》", 《光子学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178145A (en) * | 2020-08-31 | 2021-01-05 | 河北汉光重工有限责任公司 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
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| CN105333109B (en) | 2017-12-05 |
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