CN205298477U - Accurate shafting of formula of surrouning and structure is debug to centre thereof - Google Patents
Accurate shafting of formula of surrouning and structure is debug to centre thereof Download PDFInfo
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- CN205298477U CN205298477U CN201520965917.5U CN201520965917U CN205298477U CN 205298477 U CN205298477 U CN 205298477U CN 201520965917 U CN201520965917 U CN 201520965917U CN 205298477 U CN205298477 U CN 205298477U
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- contact ball
- ball bearing
- bearing
- angular contact
- axle
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Abstract
The utility model relates to an accurate shafting of formula of surrouning and structure is debug to centre thereof, including main shaft, bearing frame, encoder, moment machine, an angular contact ball bearing, the 2nd angular contact ball bearing, load 1 and load 2, the main shaft includes the center pin and the radial dimension that sets up at center pin both ends is greater than the axle left end and an axle right -hand member of center pin, axle left end, axle right -hand member and the coaxial setting of center pin, and axle right -hand member and as an organic wholeization of center pin structure, a left end passes through threaded fastener with the center pin and is connected, the axle left end is connected with the bearing frame through an angular contact ball bearing, and the axle right -hand member is connected with the bearing frame through the 2nd angular contact ball bearing, and on encoder and moment machine set up two main shafts between the angular contact ball bearing, load 1 and load 2 lay in the main shaft in two angular contact ball bearing outsides respectively. The utility model discloses a shafting space has not only greatly been reduced to the shafting structure to further improve the precision of shafting, can respectively install a load at left and right sides both ends simultaneously, increased the bearing capacity.
Description
Technical field
This utility model belongs to precision optical machinery dress field, school, relates to a kind of encircling type precision bearing system and structure is debug in centre.
Background technology
In the design of precision bearing system, generally take following two form:
Scheme 1: simply supported beam form. As it is shown in figure 1, wherein A end is positioning end, generally take a pair alignment bearing (as angular contact ball bearing group, employing DB type or DF type are installed); Right-hand member is supported end, is generally a travelling bearing (such 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 the axle system that small-size shaft system or axle system use variation of ambient temperature are little, in order to save space and improve precision, can directly use a pair alignment bearing (such as angular contact ball bearing group, DB type or DF type is adopted to install) composition precision bearing system, install encoder and torque motor respectively at its two ends, structure is as shown in Figure 2. Generally, load adopts T-shape to be distributed in two ends.
In designing at precision bearing system, angular contact ball bearing group, as positioning end, both can have been born radial forces, can also bear axial force, so being widely used. But due to angular contact ball bearing group, no matter adopting 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 of " little axle system, big the weight load of the opposite axle system itself (and bigger) load ", adopt the axle system scheme in background technology often cannot meet requirement, for this, this utility model provides a kind of encircling type precision bearing system, and structure is debug in the centre being simultaneously proposed for this encircling type precision bearing system.
Technical solution of the present utility model is:
Encircling type precision bearing system provided by the utility model, including main shaft, bearing block 3, encoder, moment machine, first angular contact ball bearing the 1, second angular contact ball bearing 12, load 1 and load 2, it is characterized in that
Described main shaft includes the radial dimension at central shaft and centrally disposed axle two ends more 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 is integrated with central shaft, and described axle left end 16 is connected by threaded fastener with central shaft;
Described bearing block 3 has two clutch shaft bearing holes being coaxially disposed, left and right and the second dead eye, 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 dead eye, described axle left end 16 is connected with bearing block 3 by the first angular contact ball bearing 1, described axle right-hand member 11 is connected with bearing block 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 with axle left end 16 by threaded fastener, and the outer trim ring 18 of described first angular contact ball bearing is connected with bearing block 3 left end by threaded fastener; 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 with axle right-hand member 16 by threaded fastener, and the outer trim ring 8 of described second angular contact ball bearing is connected with bearing block 3 right-hand member by threaded fastener;
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 block 3, has encoder stator to repair and cut pad 4 between encoder stator 5 and bearing block 3; The rotor of encoder and the depth of parallelism of stator, interval are repaiied by encoder rotor and are cut pad 15 and encoder stator is repaiied and cut repairing and grinding guarantee of pad 4;
Photoswitch shielding plate 13 is installed on encoder 14 rotor, and photoswitch 6 is installed on bearing block, it is achieved the working range of shaft controls;
Moment machine stator 7 is installed on bearing block 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.
This utility model additionally provides the centre of a kind of encircling type axle system and debugs structure, it is characterized in that and includes main shaft system and auxiliary mould axle system, described main shaft system includes main shaft, bearing block, encoder, moment machine, the first angular contact ball bearing and the second angular contact ball bearing, it is characterised in that:
Described main shaft includes the radial dimension at central shaft and centrally disposed axle two ends more 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 is integrated with central shaft, and described axle left end 16 is connected by threaded fastener with central shaft;
Described bearing block 3 has two clutch shaft bearing holes being coaxially disposed, left and right and the second dead eye, 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 dead eye, described axle left end 16 is connected with bearing block 3 by the first angular contact ball bearing 1, described axle right-hand member 11 is connected with bearing block 3 by the second angular contact ball bearing 12
The outside of each angular contact ball bearing is separately provided for compressing trim ring and the outer trim ring of bearing for compression axis bearing outer-ring in the bearing of bearing inner race, in two bearings, trim ring is connected with axle left end and axle right-hand member respectively through threaded fastener, two outer trim rings of bearing are connected to the both sides of bearing block by threaded fastener
Described auxiliary mould axle system includes trim ring 22 in auxiliary mould bearing block 20, auxiliary mould axle 19, the third angle contact ball bearing 21, the outer trim ring 23 of the third angle contact ball bearing and the third angle 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 assembly are coaxial;Described auxiliary mould bearing block 20 is installed on the outer trim ring 18 of the first angular contact ball bearing of main shaft system, the third angle contact ball bearing 21 is installed in auxiliary mould bearing block 20, the third angle contact ball bearing 21 inner ring is compressed by trim ring 22 in the third angle contact bearing, and the third angle contact ball bearing 21 is compressed by the outer trim ring 23 of the third angle 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 uses DB installation form with the third angle contact ball bearing 21 composition. 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 uses DF installation form with the third angle contact ball bearing 21 composition.
Compared with prior art, advantage is this utility model:
1, innovative design " encircling type precision bearing system " in the design of axle system, a deep groove ball bearing is eliminated under using the condition license situations such as environment 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, a load can be respectively installed at two ends, left and right 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 depicted, when encoder and moment machine are debug, being just encoded device due to needs and moment machine is installed before precision bearing system does not assemble, result can only take " 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, solves a difficult problem such as school such as accurate dress such as " encircling type axle system " encoder, moment machine etc., and encoder is debug precision and is guaranteed.
This utility model is verified through Practical Project, practical, and shafting precision, encoder angle measurement accuracy, axle system control accuracy are all highly ensured.
3, the angular contact ball bearing that main shaft system is middle with asessory shaft system is shared by this utility model as excessive part. According to composition shafting design principle, define complementary two shafting structure. Adding asessory shaft system is a great innovation, and adopting complementary structure is 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 this utility model encircling type shafting structure framework;
Fig. 4 represents main shaft system installation diagram;
Fig. 5 represents that structure is debug in the centre being mounted with asessory shaft system;
Fig. 6 represents the installation diagram pulling down central shaft;
Fig. 7 represents the installation diagram installing code-disc, stator;
Fig. 8 represents the installation diagram 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 installation diagram of main shaft system;
Figure 10 represents the encircling type shafting structure figure having pulled down asessory shaft system.
Wherein accompanying drawing is labeled as: 1-the first angular contact ball bearing, 2-angular contact ball bearing group is repaiied and is cut pad, 3-bearing block, 4-encoder stator is repaiied and is cut pad, 5-encoder stator, 6-photoswitch, 7-moment machine stator, the outer trim ring of 8-the second angular contact ball bearing, trim ring in 9-the second angular contact ball bearing, 10-moment machine rotor, 11-axle right-hand member, 12-the second angular contact ball bearing, 13-photoswitch shielding plate, 14-encoder rotor, 15-encoder rotor is repaiied and is cut pad, 16-axle left end, trim ring in 17-the first angular contact ball bearing, the outer trim ring of 18-the first angular contact ball bearing, 19-auxiliary mould axle, 20-auxiliary mould bearing block, 21-the third angle contact ball bearing, trim ring in 22-the third angle contact ball bearing, the outer trim ring of 23-the third angle contact ball bearing.
Detailed description of the invention
This utility model requirement according to certain miniature precision axle system, load adopts T-shape distribution, in precision bearing system designs, A end and B end are respectively adopted an angular contact ball bearing, A, B end adopts " DB type " or " DF type " mounting means, being 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 is to have saved axial design distance greatly 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 mainly adopted DF installation form to form by pair of horns contact ball bearing group, angular contact ball bearing group is installed in bearing block 3, and brearing bore loads axle left end 16 and axle right-hand member 11 (left and right need Combined machining to ensure axiality). Axle system pretightning force and shafting precision rely on angular contact ball bearing group to repair the adjustment 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 block 3, has encoder stator to repair and cut pad 4 between encoder stator 5 and bearing block 3; The rotor of encoder and the depth of parallelism of stator, interval are repaiied by encoder rotor and are cut pad 15 and encoder stator is repaiied and cut repairing and grinding guarantee of pad 4; Encoder mainly realizes the angle of axle system and the collection of angular velocity and control.
Photoswitch shielding plate 13 is installed on encoder 14 rotor, and photoswitch 6 is installed on bearing block, it is achieved the working range of shaft controls. Moment machine stator 7 is installed on bearing block 3, and moment machine rotor 10 is installed on axle right-hand member 11, main offer axle system rotary power.
The operation principle of complementary auxiliary mould axle system: owing to, 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, it is ensured that its with the axle left end 16 of main shaft system, axle right-hand member 11 assembly coaxial. Auxiliary mould bearing block 20 is installed on the outer trim ring 18 of main shaft system the first angular contact ball bearing. Tooling shaft system the third angle contact ball bearing 21 is installed in auxiliary mould bearing block 20, auxiliary mould axle 19 position through tooling shaft system the third angle contact ball bearing 21. The third angle contact ball bearing 21 inner ring is compressed by trim ring 22 in the third angle contact bearing, and the third angle contact ball bearing 21 is compressed by the outer trim ring 23 of the third angle contact ball bearing. First angular contact ball bearing 1 of the third angle contact ball bearing 21 and main shaft system collectively constitutes the auxiliary mould axle system of a pair DB installation form.
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), with main shaft system for benchmark, increase complementary auxiliary mould axle system; Remove main shaft system, debug encoder, moment machine with auxiliary mould axle system for benchmark precision;Main shaft system is newly debug with complementary auxiliary mould axle system for base weight; Removing auxiliary mould axle system, the precision dress school of precision bearing system completes; Load is debug for benchmark respectively at two ends again with main shaft system. It specifically comprises the following steps that
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 block, two angular contact ball bearings, bearings are installed;
2] complementary auxiliary mould axle system is increased at the left end of main shaft system, auxiliary mould axle system coaxial with main shaft system (as shown in Figure 5), particularly as follows:
2.1] at axle left end, auxiliary mould axle is installed, auxiliary mould axle includes the radial dimension at center tooling shaft and centrally disposed tooling shaft two ends more than the tooling shaft left end of center tooling shaft and tooling shaft right-hand member, center tooling shaft, tooling shaft left end and tooling shaft right-hand member are coaxially disposed, and described auxiliary mould axle and axle left end 16, axle right-hand member 11 assembly are coaxial;
2.2] the third angle contact ball bearing is arranged in auxiliary mould bearing block 20;
2.3] it is connected fixing for outer to auxiliary mould bearing block 20 and the first angular contact ball bearing trim ring; Tooling shaft left end is connected with auxiliary mould bearing block by the third angle contact ball bearing,
2.4] trim ring and the outer trim ring of the third angle contact ball bearing in the third angle contact ball bearing arranged outside the third angle contact ball bearing, in the third angle contact ball bearing, trim ring is connected by threaded fastener with tooling shaft left end; The outer trim ring of the third angle contact ball bearing is connected by threaded fastener with auxiliary mould bearing block left end;
2.5] check that end is jumped, footpath is jumped and axle system rocks.
3] connector (as shown in Figure 6) between central shaft and central shaft and bearing block is removed;
4] it is as the criterion with auxiliary mould axle system, encoder, moment machine are installed; Particularly as follows:
4.1] being co-axially mounted with encoder stator and axle left end by encoder rotor, wherein encoder rotor is connected by threaded fastener is fixing with axle left end, and encoder stator is connected (such as Fig. 7) with bearing block by threaded fastener is fixing,
4.2] photoswitch shielding plate 13 being installed on encoder rotor 14 right-hand member, photoswitch shielding plate 13 and axle left end 16 are co-axially mounted,
4.3] being connected fixing with bearing block 3 for photoswitch 6, be connected fixing with bearing block 3 for moment machine stator 7, moment machine stator 7 is coaxial with axle left end 16,
4.4] check that circular runout, end are jumped.
5] it is as the criterion with auxiliary mould axle system, the connector (such as Fig. 9) between central shaft and central shaft and bearing block is installed; Particularly as follows:
5.1] being overlapped on center shaft by moment machine rotor, the right-hand member of moment machine rotor is fixing with axle right-hand member to be connected;
5.2] central shaft being loaded bearing block, be connected fixing to the left end of central shaft and axle left end, axle right-hand member is connected with bearing block by angular contact bearing, and installs the trim ring outer with bearing of trim ring in bearing.
6] dismounting auxiliary mould axle system obtains encircling type shafting structure (such as Figure 10) of the present utility model;
7] with main shaft system for benchmark, load is debug at the two ends of main shaft.
Claims (6)
1. an encircling type precision bearing system, including main shaft, bearing block (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 characterised in that:
Described main shaft includes the radial dimension at central shaft and centrally disposed axle two ends more 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 block (3) has two clutch shaft bearing holes being coaxially disposed, left and right and the second dead eye, 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 dead eye, described axle left end (16) is connected with bearing block (3) by the first angular contact ball bearing (1), described axle right-hand member (11) is connected with bearing block (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 with axle left end (16) by threaded fastener, and the outer trim ring (18) of described first angular contact ball bearing is connected with bearing block (3) left end by threaded fastener; 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 with axle right-hand member (16) by threaded fastener, and the outer trim ring (8) of described second angular contact ball bearing is connected with bearing block (3) right-hand member by threaded fastener;
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, it is characterised in that:
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 block (3), has encoder stator to repair and cut pad (4) between encoder stator (5) and bearing block (3); The rotor of encoder and the depth of parallelism of stator, interval are repaiied by encoder rotor and are cut pad (15) and encoder stator is repaiied and cut repairing of pad (4) and grind guarantee;
Photoswitch shielding plate (13) is installed on encoder (14) rotor, and photoswitch (6) is installed on bearing block, it is achieved the working range of shaft controls;
Moment machine stator (7) is installed on bearing block (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, it is characterised in that: the first angular contact ball bearing (1) and the second angular contact ball bearing (12) composition DF or DB installation form.
4. structure is debug in the centre of an encircling type precision bearing system, it is characterized in that: include main shaft system and auxiliary mould axle system, described main shaft system includes main shaft, bearing block (3), encoder, moment machine, the first angular contact ball bearing (1) and the second angular contact ball bearing (13), it is characterised in that:
Described main shaft includes the radial dimension at central shaft and centrally disposed axle two ends more 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 block (3) has two clutch shaft bearing holes being coaxially disposed, left and right and the second dead eye, 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 dead eye, described axle left end (16) is connected with bearing block (3) by the first angular contact ball bearing (1), and described axle right-hand member (11) is connected with bearing block (3) by the second angular contact ball bearing (12);
The outside of each angular contact ball bearing is separately provided for compressing trim ring and the outer trim ring of bearing for compression axis bearing outer-ring in the bearing of bearing inner race, in two bearings, trim ring is connected with axle left end and axle right-hand member respectively through threaded fastener, and two outer trim rings of bearing are connected to the both sides of bearing block (3) by threaded fastener;
Described auxiliary mould axle system includes trim ring (22) in auxiliary mould bearing block (20), auxiliary mould axle (19), the third angle contact ball bearing (21), the outer trim ring (23) of the third angle contact ball bearing and the third angle 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) assembly are coaxial; Described auxiliary mould bearing block (20) is installed on the outer trim ring (18) of the first angular contact ball bearing of main shaft system, the third angle contact ball bearing (21) is installed in auxiliary mould bearing block (20), the third angle contact ball bearing (21) inner ring is compressed by trim ring (22) in the third angle contact bearing, and the third angle contact ball bearing (21) is compressed by the outer trim ring (23) of the third angle 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) composition DF installation form, the first angular contact ball bearing (1) uses DB installation form with the third angle contact ball bearing (21) composition.
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) composition DB installation form, the first angular contact ball bearing (1) uses DF installation form with the third angle contact ball bearing (21) composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965917.5U CN205298477U (en) | 2015-11-27 | 2015-11-27 | Accurate shafting of formula of surrouning and structure is debug to centre thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965917.5U CN205298477U (en) | 2015-11-27 | 2015-11-27 | Accurate shafting of formula of surrouning and structure is debug to centre thereof |
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| Publication Number | Publication Date |
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| CN205298477U true CN205298477U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965917.5U Expired - Fee Related CN205298477U (en) | 2015-11-27 | 2015-11-27 | Accurate shafting of formula of surrouning and structure is debug to centre thereof |
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| CN (1) | CN205298477U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333109A (en) * | 2015-11-27 | 2016-02-17 | 中国科学院西安光学精密机械研究所 | Surrounded type precision shaft system and intermediate assembling and adjusting structure thereof |
| CN105932794A (en) * | 2016-06-29 | 2016-09-07 | 九江精密测试技术研究所 | Large-size and low-inertia hollow precision shaft system with limit |
| CN105958723A (en) * | 2016-06-29 | 2016-09-21 | 九江精密测试技术研究所 | Continuously rotary hollow precision shafting with large size and low inertia |
| CN108802351A (en) * | 2018-09-04 | 2018-11-13 | 山东交通学院 | A kind of lock block type list twin shaft conversion equipment for road-surface accelerating and loading test equipment |
-
2015
- 2015-11-27 CN CN201520965917.5U patent/CN205298477U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333109A (en) * | 2015-11-27 | 2016-02-17 | 中国科学院西安光学精密机械研究所 | Surrounded type precision shaft system and intermediate assembling and adjusting structure thereof |
| CN105333109B (en) * | 2015-11-27 | 2017-12-05 | 中国科学院西安光学精密机械研究所 | A kind of encircling type precision bearing system and in-between adjustment structure |
| CN105932794A (en) * | 2016-06-29 | 2016-09-07 | 九江精密测试技术研究所 | Large-size and low-inertia hollow precision shaft system with limit |
| CN105958723A (en) * | 2016-06-29 | 2016-09-21 | 九江精密测试技术研究所 | Continuously rotary hollow precision shafting with large size and low inertia |
| CN108802351A (en) * | 2018-09-04 | 2018-11-13 | 山东交通学院 | A kind of lock block type list twin shaft conversion equipment for road-surface accelerating and loading test equipment |
| CN108802351B (en) * | 2018-09-04 | 2023-12-01 | 山东交通学院 | Lock block type single-double-shaft conversion device for pavement acceleration loading test equipment |
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Granted publication date: 20160608 Termination date: 20181127 |