CN105422645A - Assembling and adjusting method for encircling type precision shaft system - Google Patents

Assembling and adjusting method for encircling type precision shaft system Download PDF

Info

Publication number
CN105422645A
CN105422645A CN201510852211.2A CN201510852211A CN105422645A CN 105422645 A CN105422645 A CN 105422645A CN 201510852211 A CN201510852211 A CN 201510852211A CN 105422645 A CN105422645 A CN 105422645A
Authority
CN
China
Prior art keywords
contact ball
axle
bearing
ball bearing
angular contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510852211.2A
Other languages
Chinese (zh)
Other versions
CN105422645B (en
Inventor
杨宾宏
谢友金
杜水生
李宁
蔺明明
王少龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XiAn Institute of Optics and Precision Mechanics of CAS
Original Assignee
XiAn Institute of Optics and Precision Mechanics of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XiAn Institute of Optics and Precision Mechanics of CAS filed Critical XiAn Institute of Optics and Precision Mechanics of CAS
Priority to CN201510852211.2A priority Critical patent/CN105422645B/en
Publication of CN105422645A publication Critical patent/CN105422645A/en
Application granted granted Critical
Publication of CN105422645B publication Critical patent/CN105422645B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/12Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/10Aligning parts to be fitted together
    • B23P19/102Aligning parts to be fitted together using remote centre compliance devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0018Shaft assemblies for gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H57/022Adjustment of gear shafts or bearings
    • F16H2057/0228Mounting with rough tolerances and fine adjustment after assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention provides an assembly and adjustment method of an encircling precise shaft system, which comprises the following steps of 1, installing a central shaft, a shaft left end, a shaft right end, a bearing seat, two angular contact ball bearings, a bearing inner pressing ring and a bearing outer pressing ring together; 2, adding a complementary auxiliary tool shaft system at the left end of the main shaft system, wherein the auxiliary tool shaft system is coaxial with the main shaft system; 3, dismantling the central shaft and a connecting piece between the central shaft and the bearing seat; 4, taking the auxiliary tool shaft system as a reference, and installing an encoder and a torque machine; 5, taking the auxiliary tool shaft system as a reference, installing the central shaft and a connecting piece between the central shaft and the bearing seat; 6, dismantling an auxiliary tool shaft system; and 7, using the main shaft as a reference, and adjusting loads at two ends of the main shaft. The installation and adjustment method of the invention adopts an auxiliary shafting reference conversion method, solves the difficult problems of precision installation and calibration of an encircling precision shafting encoder, a torque machine and the like, and effectively ensures the installation and adjustment precision of the encoder.

Description

A kind of Method of Adjustment of encircling type precision bearing system
Technical field
The invention belongs to precision optical machinery dress field, school, relate to a kind of Method of Adjustment of axle system.
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 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 Method of Adjustment of encircling type axle system.
Technical solution of the present invention is:
The Method of Adjustment of encircling type axle system provided by the present invention, described encircling type axle system comprises main shaft, bearing support 3, encoder, moment machine, the first angular contact ball bearing 1, second angular contact bearing 12, load 1 and load 2, and 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;
The Method of Adjustment of described encircling type axle system comprises the following steps:
1] main shaft system assembling
Trim ring, the outer trim ring of bearing in central shaft, axle left end 16, axle right-hand member 11, bearing support 3, two angular contact ball bearings, bearing are installed together;
2] increase complementary auxiliary mould axle system at the left end of main shaft system, auxiliary mould axle system is coaxial with main shaft system;
3] central shaft and the link between central shaft and bearing support is removed;
4] be accurate with auxiliary mould axle, encoder, moment machine are installed;
5] be accurate with auxiliary mould axle, mounting center axle and the link between central shaft and bearing support;
6] auxiliary mould axle system is removed;
7] be benchmark with main shaft, debug load at the two ends of main shaft.
Above-mentioned steps 2] be specially:
2.1] at axle left end 16, auxiliary mould axle 19 is installed, the radial dimension that described auxiliary mould axle 19 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 19 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] in triangle contact ball bearing 21 arranged outside triangle contact ball bearing, in outer trim ring 23, the triangle contact ball bearing of trim ring 22 and triangle contact ball bearing, trim ring 22 is connected by threaded fastener with tooling shaft left end; The outer trim ring 23 of triangle contact ball bearing is connected by threaded fastener with auxiliary mould bearing support 20 left end;
2.5] check that end is jumped, footpath is jumped and axle system rocks.
When above-mentioned 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.
Above-mentioned steps 4] be specially:
4.1] encoder rotor 14 and encoder stator 5 and axle left end 16 are coaxially installed, wherein encoder rotor 14 is fixedly connected with by threaded fastener with axle left end 16, and encoder stator 5 is fixedly connected with by threaded fastener with bearing support 3;
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.
Above-mentioned steps 5] be specially:
5.1] overlap on center shaft by moment machine rotor 14, the right-hand member of moment machine rotor 14 is fixedly connected with axle right-hand member 11;
5.2] central shaft is loaded bearing support 3, be fixedly connected with by the left end of central shaft with axle left end 16, axle right-hand member 11 is connected with bearing support 3 by the second angular contact ball bearing 12, and installs trim ring 9 and the outer trim ring 8 of the second angular contact ball bearing in the second angular contact ball bearing.
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 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, on the dress calibration method of encircling type axle system, propose one " complementary axle system Reference Transforming method ".When routine is debug for " encircling type precision bearing system " encoder as shown in the figure and moment machine, because needs just carry out encoder and the installation of moment machine before this precision bearing system does not also assemble, result can only be taked " blind dress ", does not ensure to debug precision, also can not carry out precision adjustment.Complementary axle system Reference Transforming method adopts twice Reference Transforming, and solve a difficult problem such as school such as dress such as precision such as " encircling type precision bearing system " encoder, moment machine etc., encoder is debug precision and is effectively guaranteed.
The method 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-moment machine rotor is connected with axle right-hand member, and load main shaft system erection drawing,
The erection drawing of auxiliary axis system has been pulled down in Figure 10-expression.
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, the i.e. angular contact ball bearing group (if main shaft system have employed the pair of horns contact ball bearing group of DB installation form, tooling shaft system just should adopt the complementary structure of the angular contact ball bearing group of a pair DF mount type) 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. the Method of Adjustment of an encircling type precision bearing system, described encircling type axle system comprises main shaft, bearing support (3), encoder, moment machine, the first angular contact ball bearing (1), the second angular contact 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), and 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;
The Method of Adjustment of described encircling type axle system comprises the following steps:
1] main shaft system assembling
Trim ring, the outer trim ring of bearing in central shaft, axle left end (16), axle right-hand member (11), bearing support (3), two angular contact ball bearings, bearing are installed together;
2] increase complementary auxiliary mould axle system at the left end of main shaft system, auxiliary mould axle system is coaxial with main shaft system;
3] central shaft and the link between central shaft and bearing support is removed;
4] be accurate with auxiliary mould axle, encoder, moment machine are installed;
5] be accurate with auxiliary mould axle, mounting center axle and the link between central shaft and bearing support;
6] auxiliary mould axle system is removed;
7] be benchmark with main shaft, debug load at the two ends of main shaft.
2. the Method of Adjustment of encircling type precision bearing system according to claim 1, is characterized in that: described step 2] be specially:
2.1] at axle left end (16), auxiliary mould axle (19) is installed, the radial dimension that described auxiliary mould axle (19) 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 (19) 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 (22) and the outer trim ring (23) of triangle contact ball bearing in triangle contact ball bearing (21) arranged outside triangle contact ball bearing, in triangle contact ball bearing, trim ring (22) is connected by threaded fastener with tooling shaft left end; The outer trim ring (23) of triangle contact ball bearing is connected by threaded fastener with auxiliary mould bearing support (20) left end;
2.5] check that end is jumped, footpath is jumped and axle system rocks.
3. the Method of Adjustment of encircling type precision bearing system according to claim 2, 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.
4. the Method of Adjustment of encircling type precision bearing system according to claim 2, 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.
5. the Method of Adjustment of the encircling type precision bearing system according to arbitrary claim of claim 1-4, is characterized in that:
Described step 4] be specially:
4.1] encoder rotor (14) and encoder stator (5) and axle left end (16) are coaxially installed, wherein encoder rotor (14) is fixedly connected with by threaded fastener with axle left end (16), and encoder stator (5) is fixedly connected with by threaded fastener with bearing support (3);
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.
6. the Method of Adjustment of encircling type precision bearing system according to claim 5, is characterized in that:
Described step 5] be specially:
5.1] by moment machine rotor (14) cover on center shaft, the right-hand member of moment machine rotor (14) is fixedly connected with axle right-hand member (11);
5.2] central shaft is loaded bearing support (3), the left end of central shaft is fixedly connected with axle left end (16), (11 are connected with bearing support (3) by the second angular contact ball bearing (12) axle right-hand member, and install the trim ring (8) outer with the second angular contact ball bearing of trim ring (9) in the second angular contact ball bearing.
CN201510852211.2A 2015-11-27 2015-11-27 Assembling and adjusting method for encircling type precision shaft system Expired - Fee Related CN105422645B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510852211.2A CN105422645B (en) 2015-11-27 2015-11-27 Assembling and adjusting method for encircling type precision shaft system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510852211.2A CN105422645B (en) 2015-11-27 2015-11-27 Assembling and adjusting method for encircling type precision shaft system

Publications (2)

Publication Number Publication Date
CN105422645A true CN105422645A (en) 2016-03-23
CN105422645B CN105422645B (en) 2017-09-22

Family

ID=55501098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510852211.2A Expired - Fee Related CN105422645B (en) 2015-11-27 2015-11-27 Assembling and adjusting method for encircling type precision shaft system

Country Status (1)

Country Link
CN (1) CN105422645B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB841121A (en) * 1958-02-17 1960-07-13 Vaino Alexander Hoover Mechanical actuators
CN2718501Y (en) * 2003-12-15 2005-08-17 中国科学院西安光学精密机械研究所 Two-dimensional precision tracking rotary table
CN1767917A (en) * 2003-03-31 2006-05-03 日本精工株式会社 Main shaft device and machine tool with the same
CN102514718A (en) * 2011-12-01 2012-06-27 中国科学院西安光学精密机械研究所 Landing assisting method for auxiliary aircraft
CN102767563A (en) * 2012-07-11 2012-11-07 清华大学 Rolling auxiliary bearing and auxiliary bearing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB841121A (en) * 1958-02-17 1960-07-13 Vaino Alexander Hoover Mechanical actuators
CN1767917A (en) * 2003-03-31 2006-05-03 日本精工株式会社 Main shaft device and machine tool with the same
CN2718501Y (en) * 2003-12-15 2005-08-17 中国科学院西安光学精密机械研究所 Two-dimensional precision tracking rotary table
CN102514718A (en) * 2011-12-01 2012-06-27 中国科学院西安光学精密机械研究所 Landing assisting method for auxiliary aircraft
CN102767563A (en) * 2012-07-11 2012-11-07 清华大学 Rolling auxiliary bearing and auxiliary bearing system

Also Published As

Publication number Publication date
CN105422645B (en) 2017-09-22

Similar Documents

Publication Publication Date Title
CN205298477U (en) Encircling type precision shaft system and intermediate assembling and adjusting structure thereof
EP2771549B1 (en) Gas turbine engine support strut assembly and method for supporting a casing
CN204153016U (en) Rotor unit
CN109538638B (en) High-speed rotor and assembly method thereof
CN203939929U (en) A kind of accurate worm gearing
WO2009001548A1 (en) Wheel bearing device
CN104047812A (en) Bearing with a supporting element and method of supporting a first ring of a bearing
CN105333109A (en) Encircling type precision shaft system and intermediate assembling and adjusting structure thereof
CN105422645A (en) Assembling and adjusting method for encircling type precision shaft system
CN102381475B (en) Tail driving shaft support device
CN105889315A (en) Rolling bearing and a mechanical system comprising such a rolling bearing
EP2855959B1 (en) Brake device
CN103616747B (en) Optical fiber slip ring structure for coupling transferring of optical fiber
CN201475184U (en) Ready-packaged braking-wheel coupling
CN102332788B (en) Motor production technology
CN202628804U (en) High-precision bearing
CN105092125A (en) Torque sensor mounting structure
CN210118368U (en) Heavy middle flange integrated with bearing inner ring
CN100480523C (en) Clearance-free bearing
CN203962710U (en) A kind of novel bearing chamber
CN210371708U (en) Light intermediate connecting fork integrated with bearing inner ring
CN201869035U (en) Improved encoder support
CN106271678A (en) A kind of saddle of machining center
CN205536032U (en) Lampblack absorber impeller axle sleeve
CN202978553U (en) Installation structure of guide wheel on motor end cap

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170922

Termination date: 20181127