CN105422645B - Assembling and adjusting method for encircling type precision shaft system - Google Patents
Assembling and adjusting method for encircling type precision shaft system Download PDFInfo
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- CN105422645B CN105422645B CN201510852211.2A CN201510852211A CN105422645B CN 105422645 B CN105422645 B CN 105422645B CN 201510852211 A CN201510852211 A CN 201510852211A CN 105422645 B CN105422645 B CN 105422645B
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- ball bearing
- angular contact
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000295 complement effect Effects 0.000 claims abstract description 13
- 230000005693 optoelectronics Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000001131 transforming effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines 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
- B23P19/10—Aligning parts to be fitted together
- B23P19/102—Aligning parts to be fitted together using remote centre compliance devices
-
- 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
- F16H57/0018—Shaft assemblies for gearings
-
- 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
-
- 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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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)
- 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
Technical field
The invention belongs to precision optical machinery dress school field, it is related to a kind of Method of Adjustment of shafting.
Background technology
In the design of precision bearing system, following two forms are typically taken：
Scheme 1：Simply supported beam form.As shown in figure 1, wherein A ends are positioning end, a pair of alignment bearing (such as angles are typically taken
Contact ball bearing group, is installed using DB types or DF types)；Right-hand member is supported end, generally one travelling bearing (such as deep-groove ball axle
Hold).Encoder is arranged on positioning end, and torque machine is arranged on supported end.Generally, load is distributed in centre using " H " type.
Scheme 2：For small-sized shafting or the little shafting of shafting use environment temperature change, in order to save space and carry
High accuracy, can be directly using a pair of alignment bearing (such as angular contact ball bearing group is installed using DB types or DF types) composition essences
Close shafting, installs encoder and torque motor at its two ends respectively, and structure is as shown in Figure 2.Generally, load uses " T "
Type is distributed in two ends.
In being designed in precision bearing system, angular contact ball bearing group can both bear radial forces, also as positioning end
Axial force can be born, so being widely used.But the characteristics of being due to angular contact ball bearing group, no matter using scheme 1
Or scheme 2, its shafting span spatially can not be too small, and load has certain limitations.
The content of the invention
In the case where shaft size and weight have strict demand, especially to " small shafting, it is big (with respect to shafting in itself
Weight load and larger) load " precision bearing system in the case of, can not often be met using the shafting scheme in background technology will
Ask, therefore, the present invention provides a kind of Method of Adjustment of encircling type precision bearing system.
The present invention technical solution be：
The Method of Adjustment of encircling type precision bearing system provided by the present invention, the encircling type precision bearing system includes main shaft, axle
Bearing 3, encoder, torque machine, the first angular contact ball bearing 1, the second angular contact bearing 12, load 1 and load 2, its it is special it
Be in：
The main shaft include central shaft and centrally disposed axle two ends radial dimension be more than the axle left end 16 of central shaft with
Axle right-hand member 11, the axle left end 16, axle right-hand member 11 are set with central axis, the axle right-hand member 11 and the integrated knot of central shaft
Structure, the axle left end 16 is connected with central shaft by threaded fastener；
The bearing block 3 has the first axle bearing bore and second bearing hole that left and right two is coaxially disposed, first corner connection
Touch the angular contact ball bearing 12 of ball bearing 1 and second to be respectively located in first axle bearing bore and second bearing hole, the axle left end 16 leads to
Cross the first angular contact ball bearing 1 to be connected with bearing block 3, the axle right-hand member 11 passes through the second angular contact ball bearing 12 and bearing block 3
Connection,
The outside of first angular contact ball bearing 1 sets the angular contact ball of trim ring 17 and first in the first angular contact ball bearing
Trim ring 17 is connected by threaded fastener and axle left end 16 in the outer trim ring 18 of bearing, first angular contact ball bearing, and described the
The outer trim ring 18 of one angular contact ball bearing is connected by threaded fastener and the left end of bearing block 3；Second angular contact ball bearing 12
Outside the outer trim ring 8 of the angular contact ball bearing of trim ring 9 and second, the second angular contact ball axle in the second angular contact ball bearing are set
Hold interior trim ring 17 to be connected by threaded fastener and axle right-hand member 16, the outer trim ring 8 of second angular contact ball bearing is tight by screw thread
Firmware is connected with the right-hand member of bearing block 3；
The encoder and torque machine are set on the main shaft between two angular contact ball bearings, load 1 and the difference of load 2 position
On main shaft on the outside of two angular contact ball bearings；
The Method of Adjustment of the encircling type precision bearing system comprises the following steps：
1】Main shaft system is assembled
By outside trim ring in central shaft, axle left end 16, axle right-hand member 11, bearing block 3, two angular contact ball bearings, bearing, bearing
Trim ring is installed together；
2】Increase complementary auxiliary mould shafting in the left end of main shaft system, auxiliary mould shafting and main shaft system are coaxial；
3】Remove the connector between central shaft and central shaft and bearing block；
4】It is defined by auxiliary mould shafting, encoder, torque machine is installed；
5】It is defined by auxiliary mould shafting, the connector between installation center axle and central shaft and bearing block；
6】Remove auxiliary mould shafting；
7】On the basis of main shaft system, load is debug at the two ends of main shaft.
Above-mentioned steps 2】Specially：
2.1】Auxiliary mould axle 19 is installed in axle left end 16, the auxiliary mould axle 19 includes center tooling shaft and is arranged on
The radial dimension at center tooling shaft two ends is more than the tooling shaft left end and tooling shaft right-hand member of center tooling shaft, center tooling shaft, work
Dress axle left end and tooling shaft right-hand member are coaxially disposed, and the auxiliary mould axle 19 and axle left end 16, the assembly of axle right-hand member 11 are coaxial；
2.2】The third angle contact ball bearing is arranged in auxiliary mould bearing block 20；
2.3】Auxiliary mould bearing block 20 is fixedly connected with trim ring outside the first angular contact ball bearing；Tooling shaft left end passes through
The third angle contact ball bearing is connected with auxiliary mould bearing block；
2.4】Trim ring 22 and the third angle contact in the third angle contact ball bearing are set in the outside of the third angle contact ball bearing 21
Trim ring 22 is connected with tooling shaft left end by threaded fastener in the outer trim ring 23 of ball bearing, the third angle contact ball bearing；The third angle
The outer trim ring 23 of contact ball bearing is connected with the left end of auxiliary mould bearing block 20 by threaded fastener；
2.5】Check that end is jumped, footpath is jumped and shafting is rocked.
When the above-mentioned angular contact ball bearing 12 of first angular contact ball bearing 1 and second constitutes DF installation forms, the first corner connection
Touch ball bearing 1 and use DB installation forms with the composition of the third angle contact ball bearing 21.When the first angular contact ball bearing 1 and the second angular contact
When ball bearing 12 constitutes DB installation forms, the first angular contact ball bearing 1 is constituted with the third angle contact ball bearing 21 installs shape with DF
Formula.
Above-mentioned steps 4】Specially：
4.1】Encoder rotor 14 is co-axially mounted with encoder stator 5 with axle left end 16, wherein encoder rotor 14 with
Axle left end 16 is fixedly connected by threaded fastener, and encoder stator 5 is fixedly connected with bearing block 3 by threaded fastener；
4.2】Optoelectronic switch shielding plate 13 is installed on the right-hand member of encoder rotor 14, optoelectronic switch shielding plate 13 and axle left end
16 are co-axially mounted；
4.3】Optoelectronic switch 6 is fixedly connected with bearing block 3, torque machine stator 7 is fixedly connected with bearing block 3, torque
Machine stator 7 and axle left end 16 are coaxial；
4.4】Check that circular runout, end are jumped.
Above-mentioned steps 5】Specially：
5.1】By 14 sets of torque machine rotor on center shaft, the right-hand member of torque machine rotor 14 is fixedly connected with axle right-hand member 11；
5.2】Central shaft is loaded into bearing block 3, the left end of central shaft is fixedly connected with axle left end 16, axle right-hand member 11 passes through
Second angular contact ball bearing 12 is connected with bearing block 3, and installs the angular contact ball axle of trim ring 9 and second in the second angular contact ball bearing
Hold outer trim ring 8.
Compared with prior art, advantage is the present invention：
1st, the innovative design " encircling type precision bearing system " in the design of shafting, feelings are permitted in conditions such as use environment temperature controls
A deep groove ball bearing is eliminated under condition, a precision bearing system is constituted by two angular contact ball bearings, while by encoder and power
Square machine is in the layout of in the middle of two angular contact ball bearings, so not only greatly reduces shafting space, and further increase
The precision of shafting, while a load can respectively be installed in left and right ends, adds bearing capacity.
2nd, proposed on the dress calibration method of encircling type precision bearing system a kind of " complementary shafting Reference Transforming method ".It is conventional right
When " encircling type precision bearing system " encoder as depicted and torque machine are debug, due to needing in the precision bearing system also not no group
It encoder and the installation of torque machine are just carried out before loading, as a result can only take " blind dress ", it is ensured that do not debug precision, can not also enter
Row precision is adjusted.Complementary shafting Reference Transforming method using Reference Transforming twice, solve " encircling type precision bearing system " encoder,
The precision dress school problem such as torque machine, encoder is debug precision and is effectively guaranteed.
This method is verified by Practical Project, practical, and shafting precision, encoder angle measurement accuracy, shafting regulate and control
Precision all obtains height and ensured.
3rd, the present invention shares main shaft system with an angular contact ball bearing in the middle of auxiliary shafting as excessive part.According to group
Into shafting design principle, two complementary shafting structures are formd.Addition auxiliary shafting is a great innovation, using complementation
Formula structure is also a great innovation.
Brief description of the drawings
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 precision bearing system structural framing of the present invention；
Fig. 4 represents main shaft system installation diagram；
Fig. 5 represents that structure is debug in the centre for being mounted with to aid in shafting；
Fig. 6 represents to pull down the installation diagram of central shaft；
Fig. 7 represents to install code-disc, the installation diagram of stator；
Fig. 8 represents to install the installation diagram of photoswitc catch and torque machine stator；
Fig. 9-be connected torque machine rotor with axle right-hand member, and load main shaft system installation diagram,
The installation diagram of auxiliary shafting has been pulled down in Figure 10-expression.
Wherein reference is：The angular contact ball bearings of 1- first, 2- angular contact ball bearing groups, which are repaiied, cuts pad, 3- bearing blocks, 4-
Encoder stator, which is repaiied, cuts pad, 5- encoders stator, 6- optoelectronic switches, 7- torques machine stator, 8- the second angular contact ball bearing external pressures
Trim ring, 10- torques machine rotor, 11- axles right-hand member, the angular contact ball bearings of 12- second, 13- light in circle, the angular contact ball bearings of 9- second
Electric switch shielding plate, 14- encoder rotors, 15- encoder rotors, which are repaiied, cuts pad, 16- axles left end, the angular contact ball bearings of 17- first
The outer trim ring of interior trim ring, the angular contact ball bearings of 18- first, 19- auxiliary moulds axle, 20- auxiliary moulds bearing block, 21- the third angles connect
The outer trim ring of trim ring, 23- the third angles contact ball bearing in tactile ball bearing, 22- the third angle contact ball bearings.
Embodiment
The present invention is according to the requirement of certain miniature precision shafting, and load is distributed using T-shape, in precision bearing system design, A ends
An angular contact ball bearing is respectively adopted with B ends, A, B end use " DB types " or " DF types " mounting means, by torque machine, encoder
It is installed on Deng component in the middle of a pair of angular contact ball bearing groups, two load are distributed in left and right two ends respectively.Its advantage is great
Axial design distance is saved so that precision bearing system overall dimensions and weight are greatly reduced, and structure is as shown in Figure 3.
The operation principle of encircling type precision bearing system scheme：Precision bearing system is main to be pacified by a pair of angular contact ball bearing groups using DF
Dress form is constituted, and angular contact ball bearing group is installed in bearing block 3, and it is (left and right with axle right-hand member 11 that brearing bore loads axle left end 16
Combined machining is needed to ensure axiality).Shafting pretightning force and shafting precision repair the regulation for cutting pad 2 by angular contact ball bearing group
Realize.The inner ring of first angular contact ball bearing 1 trim ring 17 in the first angular contact ball bearing is compressed, outside the first angular contact ball bearing 1
Circle trim ring 18 outside the first angular contact ball bearing is compressed；The inner ring of second angular contact ball bearing 12 is by the second angular contact ball bearing internal pressure
Circle 9 is compressed, and the outer ring of the second angular contact ball bearing 12 trim ring 8 outside the second angular contact ball bearing is compressed.
Encoder rotor 14 is installed on axle left end 16, has encoder rotor between encoder rotor 14 and axle left end 16
Repair and cut pad 15；Encoder stator 5 is installed on bearing block 3, has encoder stator to repair between encoder stator 5 and bearing block 3
Cut pad 4；The rotor of encoder and the depth of parallelism of stator, interval are repaiied by encoder rotor cuts pad 15 and encoder stator is repaiied and cuts pad
Guarantee is ground in 4 repair；Encoder mainly realizes the angle of shafting and the collection of angular speed and control.
Optoelectronic switch shielding plate 13 is installed on the rotor of encoder 14, and optoelectronic switch 6 is installed on bearing block, is realized to axle
The working range control of system.Torque machine stator 7 is installed on bearing block 3, and torque machine rotor 10 is installed on axle right-hand member 11, mainly
Shafting rotary power is provided.
The operation principle of complementary auxiliary mould shafting：
Because in this example, main shaft system employs a pair of angular contact ball bearing groups of DF installation forms, so auxiliary mould axle
System uses complementary structure, i.e., the angular contact ball bearing group of a pair of DB mount types is (if main shaft system employs DB installation forms
A pair of angular contact ball bearing groups, frock shafting should just use the complementary structure of the angular contact ball bearing group of a pair of DF mount types).
Auxiliary mould axle 19 is installed on the axle left end 16 of main shaft system, it is ensured that its axle left end 16, axle right-hand member with main shaft system
11 assemblys are coaxial.Auxiliary mould bearing block 20 is installed on the outer trim ring 18 of the angular contact ball bearing of main shaft system first.Frock shafting
The third angle contact ball bearing 21 is installed in auxiliary mould bearing block 20, is connect by auxiliary mould axle 19 through frock shafting the third angle
Ball bearing 21 is touched to position.The inner ring of the third angle contact ball bearing 21 trim ring 22 in the third angle contact bearing is compressed, the third angle contact
The trim ring 23 outside the third angle contact ball bearing of ball bearing 21 is compressed.First angular contact of the third angle contact ball bearing 21 and main shaft system
Ball bearing 1 collectively constitutes the auxiliary mould shafting of a pair of DB installation forms.
The dress school side case of complementary shafting Reference Transforming method precision bearing system：
In shafting precision is debug, dress school main shaft system (encoder, torque machine are not filled temporarily) accurate first, using main shaft system as
Benchmark, increases complementary auxiliary mould shafting；Main shaft system is removed, precision debugs encoder, power on the basis of auxiliary mould shafting
Square machine；Main shaft system is debug again on the basis of complementary auxiliary mould shafting；Remove auxiliary mould shafting, the precision of precision bearing system
School is filled to complete；Again load is debug on the basis of main shaft system respectively at two ends.It is comprised the following steps that：
1】Main shaft system assembles (as shown in Figure 4)
By trim ring outside trim ring in central shaft, axle left end, axle right-hand member, bearing block, two angular contact ball bearings, bearing, bearing
Installed；
2】Increase complementary auxiliary mould shafting, auxiliary mould shafting and coaxial (such as Fig. 5 of main shaft system in the left end of main shaft system
It is shown), be specially：
2.1】Auxiliary mould axle is installed in axle left end, auxiliary mould axle includes center tooling shaft and centrally disposed tooling shaft
The radial dimension at two ends be more than center tooling shaft tooling shaft left end and tooling shaft right-hand member, center tooling shaft, tooling shaft left end and
Tooling shaft right-hand member is coaxially disposed, and the auxiliary mould axle and axle left end 16, the assembly of axle right-hand member 11 are coaxial；
2.2】The third angle contact ball bearing is arranged in auxiliary mould bearing block 20；
2.3】Auxiliary mould bearing block 20 is fixedly connected with trim ring outside the first angular contact ball bearing；Tooling shaft left end passes through
The third angle contact ball bearing is connected with auxiliary mould bearing block,
2.4】Trim ring and the third angle contact ball axle in the third angle contact ball bearing are set on the outside of the third angle contact ball bearing
Trim ring in outer trim ring, the third angle contact ball bearing is held to be connected by threaded fastener with tooling shaft left end；The third angle contacts ball axle
Outer trim ring is held to be connected by threaded fastener with auxiliary mould bearing block left end；
2.5】Check that end is jumped, footpath is jumped and shafting is rocked.
3】Remove the connector (as shown in Figure 6) between central shaft and central shaft and bearing block；
4】It is defined by auxiliary mould shafting, encoder, torque machine is installed；Specially：
4.1】Encoder rotor is co-axially mounted with encoder stator with axle left end, wherein encoder rotor leads to axle left end
Cross threaded fastener to be fixedly connected, encoder stator is fixedly connected with (such as Fig. 7) with bearing block by threaded fastener,
4.2】Optoelectronic switch shielding plate 13 is installed on the right-hand member of encoder rotor 14, optoelectronic switch shielding plate 13 and axle left end
16 are co-axially mounted,
4.3】Optoelectronic switch 6 is fixedly connected with bearing block 3, torque machine stator 7 is fixedly connected with bearing block 3, torque
Machine stator 7 and axle left end 16 are coaxial,
4.4】Check that circular runout, end are jumped.
5】It is defined by auxiliary mould shafting, the connector (such as Fig. 9) between installation center axle and central shaft and bearing block；Tool
Body is：
5.1】By torque machine rotor set on center shaft, the right-hand member of torque machine rotor is fixedly connected with axle right-hand member；
5.2】Central shaft is loaded into bearing block, the left end of central shaft is fixedly connected with axle left end, axle right-hand member passes through corner connection
Contact bearing is connected with bearing block, and installs bearing internal pressure circle and the outer trim ring of bearing.
6】Remove the encircling type precision bearing system structure (such as Figure 10) that auxiliary mould shafting obtains the present invention；
7】On the basis of main shaft system, load is debug at the two ends of main shaft.
Claims (6)
1. a kind of Method of Adjustment of encircling type precision bearing system, the encircling type precision bearing system includes main shaft, bearing block (3), coding
Device, torque machine, the first angular contact ball bearing (1), the second angular contact bearing (12), load 1 and load 2, it is characterised in that：
The main shaft includes central shaft and the axle left end (16) and axle of the radial dimension more than central shaft at centrally disposed axle two ends
Right-hand member (11), the axle left end (16), axle right-hand member (11) and central axis are set, and the axle right-hand member (11) is one with central shaft
Body structure, the axle left end (16) is connected with central shaft by threaded fastener；
The bearing block (3) has the first axle bearing bore and second bearing hole that left and right two is coaxially disposed, first angular contact
Ball bearing (1) and the second angular contact ball bearing (12) are located in first axle bearing bore and second bearing hole respectively, the axle left end
(16) it is connected by the first angular contact ball bearing (1) with bearing block (3), the axle right-hand member (11) passes through the second angular contact ball bearing
(12) it is connected with bearing block (3)；
The outside of first angular contact ball bearing (1) sets trim ring (17) and the first angular contact ball in the first angular contact ball bearing
Trim ring (17) is connected by threaded fastener and axle left end (16) in the outer trim ring (18) of bearing, first angular contact ball bearing,
The outer trim ring (18) of first angular contact ball bearing is connected by threaded fastener and bearing block (3) left end；Second corner connection
The outside for touching ball bearing (12) sets trim ring (9) and the outer trim ring (8) of the second angular contact ball bearing, institute in the second angular contact ball bearing
State trim ring (17) in the second angular contact ball bearing to be connected by threaded fastener and axle right-hand member (16), the second angular contact ball axle
Outer trim ring (8) is held to be connected by threaded fastener and bearing block (3) right-hand member；
The encoder and torque machine are set on the main shaft between two angular contact ball bearings, and load 1 and load 2 are located at two respectively
On main shaft on the outside of individual angular contact ball bearing；
The Method of Adjustment of the encircling type precision bearing system comprises the following steps：
1】Main shaft system is assembled
By trim ring, bearing in central shaft, axle left end (16), axle right-hand member (11), bearing block (3), two angular contact ball bearings, bearing
Outer trim ring is installed together；
2】Increase complementary auxiliary mould shafting in the left end of main shaft system, auxiliary mould shafting and main shaft system are coaxial；
3】Remove the connector between central shaft and central shaft and bearing block；
4】It is defined by auxiliary mould shafting, encoder, torque machine is installed；
5】It is defined by auxiliary mould shafting, the connector between installation center axle and central shaft and bearing block；
6】Remove auxiliary mould shafting；
7】On the basis of main shaft system, load is debug at the two ends of main shaft.
2. the Method of Adjustment of encircling type precision bearing system according to claim 1, it is characterised in that：The step 2】Specifically
For：
2.1】Auxiliary mould axle (19) is installed in axle left end (16), the auxiliary mould axle (19) includes center tooling shaft and setting
Tooling shaft left end and tooling shaft right-hand member of the radial dimension more than center tooling shaft at center tooling shaft two ends, center tooling shaft,
Tooling shaft left end and tooling shaft right-hand member are coaxially disposed, and the auxiliary mould axle (19) is combined with axle left end (16), axle right-hand member (11)
Body is coaxial；
2.2】The third angle contact ball bearing is arranged in auxiliary mould bearing block (20)；
2.3】The outer trim ring of auxiliary mould bearing block (20) and the first angular contact ball bearing is fixedly connected；Tooling shaft left end passes through
Triangle contact ball bearing is connected with auxiliary mould bearing block；
2.4】Trim ring (22) and the third angle contact in the third angle contact ball bearing are set on the outside of the third angle contact ball bearing (21)
Trim ring (22) is connected with tooling shaft left end by threaded fastener in the outer trim ring (23) of ball bearing, the third angle contact ball bearing；The
The outer trim ring (23) of triangle contact ball bearing is connected with auxiliary mould bearing block (20) left end by threaded fastener；
2.5】Check that end is jumped, footpath is jumped and shafting is rocked.
3. the Method of Adjustment of encircling type precision bearing system according to claim 2, it is characterised in that：First angular contact ball bearing
(1) DF installation forms, the first angular contact ball bearing (1) and the third angle contact ball bearing are constituted with the second angular contact ball bearing (12)
(21) composition uses DB installation forms.
4. the Method of Adjustment of encircling type precision bearing system according to claim 2, it is characterised in that：First angular contact ball bearing
(1) DB installation forms, the first angular contact ball bearing (1) and the third angle contact ball bearing are constituted with the second angular contact ball bearing (12)
(21) composition uses DF installation forms.
5. the Method of Adjustment of the encircling type precision bearing system according to claim 1-4 any claim, it is characterised in that：
The step 4】Specially：
4.1】Encoder rotor (14) is co-axially mounted with encoder stator (5) with axle left end (16), wherein encoder rotor
(14) it is fixedly connected with axle left end (16) by threaded fastener, encoder stator (5) passes through threaded fastener with bearing block (3)
It is fixedly connected；
4.2】Optoelectronic switch shielding plate (13) is installed on encoder rotor (14) right-hand member, optoelectronic switch shielding plate (13) is left with axle
End (16) is co-axially mounted；
4.3】Optoelectronic switch (6) is fixedly connected with bearing block (3), torque machine stator (7) is fixedly connected with bearing block (3),
Torque machine stator (7) and axle left end (16) are coaxial；
4.4】Check that circular runout, end are jumped.
6. the Method of Adjustment of encircling type precision bearing system according to claim 5, it is characterised in that：
The step 5】Specially：
5.1】By torque machine rotor (14) set on center shaft, the right-hand member of torque machine rotor (14) and the fixed company of axle right-hand member (11)
Connect；
5.2】Central shaft is loaded into bearing block (3), the left end of central shaft is fixedly connected with axle left end (16), axle right-hand member (11)
It is connected by the second angular contact ball bearing (12) with bearing block (3), and trim ring (9) and second in the second angular contact ball bearing is installed
The outer trim ring (8) of angular contact ball bearing.
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| CN201510852211.2A CN105422645B (en) | 2015-11-27 | 2015-11-27 | Assembling and adjusting method for encircling type precision shaft system |
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| CN201510852211.2A CN105422645B (en) | 2015-11-27 | 2015-11-27 | Assembling and adjusting method for encircling type precision shaft system |
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| CN105422645B true CN105422645B (en) | 2017-09-22 |
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Citations (5)
| 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 |
-
2015
- 2015-11-27 CN CN201510852211.2A patent/CN105422645B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
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| CN105422645A (en) | 2016-03-23 |
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