CN112178145A - Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat - Google Patents
Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat Download PDFInfo
- Publication number
- CN112178145A CN112178145A CN202010894702.4A CN202010894702A CN112178145A CN 112178145 A CN112178145 A CN 112178145A CN 202010894702 A CN202010894702 A CN 202010894702A CN 112178145 A CN112178145 A CN 112178145A
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- CN
- China
- Prior art keywords
- azimuth
- bearing
- seat
- azimuth axis
- motor rotor
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
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
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/18—Turning devices for rotatable members, e.g. shafts
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
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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
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0037—Special features of coaxial shafts, e.g. relative support thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a structure for eliminating the lateral deflection of an azimuth axis of a photoelectric turntable, which can realize small volume, light weight and simple operation, wherein an azimuth axis system is supported by two bearings, the upper end of the azimuth axis system adopts a crossed roller shaft collar, the lower end of the azimuth axis system adopts a deep groove ball bearing, and the lateral deflection of the azimuth axis is eliminated by finely adjusting the lateral displacement of the bearing at the lower end. The structure has the characteristics of small volume, light weight, simple operation and the like.
Description
Technical Field
The invention relates to the technical field of deflection elimination, in particular to a transverse deflection eliminating structure of an azimuth axis of a photoelectric turntable.
Background
The photoelectric turntable has high requirements on the consistency and tracking precision of an optical axis, and a stable axis system is more required when a target is searched, tracked and aimed. Therefore, the deflection between the shaft systems is eliminated or reduced as much as possible in the structural design, and the method has important significance for improving the overall precision of the rotary table.
The conventional structure for eliminating the transverse deflection of the bearing shafting of the turntable azimuth seat adopts an upper bearing structure, a middle bearing structure and a lower bearing structure, wherein the azimuth shafting is fixed by the upper bearing and the middle bearing structure, the upper end surface and the lower end surface of the two bearings are tightly pressed by bearing pressing rings, and the deflection of the shafting is eliminated by adjusting the lower end bearing, but the structure has larger volume and weight and higher cost.
Disclosure of Invention
In view of this, the invention provides a structure for eliminating lateral deflection of an azimuth axis of a photoelectric turntable, which can achieve small volume, light weight and simple operation.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention relates to a transverse deflection eliminating structure of an azimuth axis of a photoelectric turntable, which comprises the azimuth axis, a bearing pressing ring, a motor rotor seat, a motor rotor adapter plate, an azimuth motor, a bearing seat and an azimuth seat, and is characterized in that the azimuth axis is supported by two bearings, the upper end of the azimuth axis adopts a crossed roller shaft collar, and the lower end of the azimuth axis adopts a deep groove ball bearing;
the azimuth motor is positioned in the middle of the azimuth shaft, the upper end of the azimuth motor compresses the inner ring and the outer ring of the crossed roller shaft collar through a motor rotor seat and a bearing pressing ring, the bearing pressing ring is installed on the azimuth seat, and the motor rotor seat is installed on the azimuth shaft; the motor rotor adapter plate is connected with the azimuth motor and the motor rotor base, so that the azimuth motor drives the azimuth shaft to rotate;
the lower end deep groove ball bearing is installed on the bearing seat, the bearing seat and the azimuth seat are in clearance fit with each other by 0.5mm, and the lateral deflection of the azimuth shaft is eliminated by adjusting the lateral displacement of the lower end deep groove ball bearing.
The bearing pressing ring is mounted on the azimuth seat through a screw, and the motor rotor seat is mounted on the azimuth shaft through a screw; during pressing, screws on the bearing pressing ring and the motor rotor seat are screwed down by a torque wrench according to the specified torque on the crossed roller collar sample.
Wherein the cross roller collar is a cross roller collar RB 7013.
Wherein, the deep groove ball bearing is 61807/P5.
Has the advantages that:
the invention relates to a transverse deflection eliminating structure of an azimuth axis of a photoelectric turntable, wherein the azimuth axis is supported by two bearings, the upper end of the azimuth axis is provided with a crossed roller shaft collar, the lower end of the azimuth axis is provided with a deep groove ball bearing, and the transverse deflection of the azimuth axis is eliminated by finely adjusting the transverse displacement of the bearing at the lower end. The structure has the characteristics of small volume, light weight, simple operation and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The device comprises a flange plate 1, a reading head 2, a code disc 3, an azimuth shaft 4, a bearing pressing ring 5, a roller shaft collar 6-cross RB7013THK, a motor rotor seat 7, a motor rotor adapter plate 8, an azimuth motor 9, a bearing seat 10, a deep groove ball bearing 61807/P5 and an azimuth seat 12.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention discloses a structure for eliminating the transverse deflection of an azimuth axis of a photoelectric turntable, which is shown in figure 1 and comprises an azimuth axis 4, a bearing pressing ring 5, a crossed roller shaft collar RB7013THK6, a motor rotor seat 7, a motor rotor adapter plate 8, an azimuth motor 9, a bearing seat 10, a deep groove ball bearing 61807/P511 and an azimuth seat 12,
wherein, the azimuth shaft 4 adopts two bearing supports, the upper end adopts a cross roller shaft collar RB7013THK6, the lower end adopts a deep groove ball bearing 61807/P511, and the azimuth motor 9 is positioned in the middle of the azimuth shaft 4. The upper end compresses tightly the inner and outer rings of the crossed roller shaft collar RB7013THK6 through the motor rotor seat 7 and the bearing pressing ring 5, the bearing pressing ring 5 is installed on the azimuth seat 12 through a screw, the motor rotor seat 7 is installed on the azimuth shaft 4 through a screw, the bearing pressing ring 5 and the screw of the upper 7 of the motor rotor seat are screwed up through a torque wrench according to the specified torque on the crossed roller shaft collar THK sample during compression, the motor rotor adapter plate 8 is connected with the azimuth motor 9 and the motor rotor seat 7, and the azimuth motor 9 drives the azimuth shaft 4 to rotate. The lower end deep groove ball bearing 61807/P511 is installed on the bearing seat 10, and does not need to be pressed by a pressing plate, the bearing seat 10 and the azimuth seat 12 are in clearance fit of 0.5mm, and the transverse displacement of the bearing can be finely adjusted, so that the effect of eliminating the transverse deflection of the azimuth shaft 4 is achieved.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A lateral deflection eliminating structure of an azimuth axis of a photoelectric turntable is characterized by comprising an azimuth axis (4), a bearing pressing ring (5), a motor rotor seat (7), a motor rotor adapter plate (8), an azimuth motor (9), a bearing seat (10) and an azimuth seat (12), and the lateral deflection eliminating structure is characterized in that the azimuth axis (4) is supported by two bearings, the upper end of the azimuth axis is provided with a crossed roller shaft collar (6), and the lower end of the azimuth axis is provided with a deep groove ball bearing (11);
the azimuth motor (9) is positioned in the middle of the azimuth shaft (4), the upper end compresses the inner ring and the outer ring of the crossed roller shaft collar (6) through a motor rotor seat (7) and a bearing pressing ring (5), the bearing pressing ring (5) is installed on an azimuth seat (12), and the motor rotor seat (7) is installed on the azimuth shaft (4); the motor rotor adapter plate (8) is connected with the azimuth motor (9) and the motor rotor base (7) to realize that the azimuth motor (9) drives the azimuth shaft (4) to rotate;
the lower end deep groove ball bearing (11) is arranged on the bearing seat (10), the bearing seat (10) and the azimuth seat (12) are in clearance fit with each other by 0.5mm, and the horizontal deflection of the azimuth shaft (4) is eliminated by adjusting the horizontal displacement of the lower end deep groove ball bearing (11).
2. The lateral runout elimination structure of an azimuth axis of a photoelectric turn table according to claim 1, wherein said bearing retainer (5) is mounted to an azimuth base (12) by screws, and said motor rotor base (7) is mounted to an azimuth axis (4) by screws; during pressing, screws on the bearing pressing ring (5) and the motor rotor seat (7) need to be screwed down by a torque wrench according to the specified torque on the crossed roller collar sample.
3. The lateral misalignment elimination structure of an azimuth axis of an optoelectronic turntable of claim 1 or 2, wherein the crossed roller collar is a crossed roller collar RB 7013.
4. The structure of eliminating lateral deflection of azimuth axis of photoelectric turntable of claim 1 or 2, wherein the deep groove ball bearing is 61807/P5 deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894702.4A CN112178145A (en) | 2020-08-31 | 2020-08-31 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894702.4A CN112178145A (en) | 2020-08-31 | 2020-08-31 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178145A true CN112178145A (en) | 2021-01-05 |
Family
ID=73925143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010894702.4A Pending CN112178145A (en) | 2020-08-31 | 2020-08-31 | Structure is eliminated to photoelectric rotary table azimuth axis horizontal beat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178145A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640939A (en) * | 2021-07-29 | 2021-11-12 | 长光卫星技术有限公司 | Two-dimensional angle precision adjustment device for large-diameter plane reflector |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117612A (en) * | 1965-02-15 | 1968-06-19 | Sperry Rand Ltd | Optical apparatus for positioning a drum on its bearings |
| US20020048420A1 (en) * | 2000-10-25 | 2002-04-25 | Heizaburo Kato | Cam mechanism |
| CN102059589A (en) * | 2010-10-21 | 2011-05-18 | 大连理工大学 | Device and method for detecting inclination angle error of laser displacement sensor |
| CN104201822A (en) * | 2014-07-24 | 2014-12-10 | 河北汉光重工有限责任公司 | Rolling bearing mechanism with three-shaft rotary table |
| CN105333109A (en) * | 2015-11-27 | 2016-02-17 | 中国科学院西安光学精密机械研究所 | Encircling type precision shaft system and intermediate assembling and adjusting structure thereof |
| CN105397507A (en) * | 2015-12-24 | 2016-03-16 | 浙江博雷重型机床制造有限公司 | Integrated revolving platform |
| CN205090152U (en) * | 2015-09-22 | 2016-03-16 | 北京新立机械有限责任公司 | Position shafting structure |
| CN105423077A (en) * | 2015-12-15 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Vertical shaft system of precise rotary table |
| CN209764125U (en) * | 2019-03-12 | 2019-12-10 | 河北汉光重工有限责任公司 | Detector pivoted integrated device |
-
2020
- 2020-08-31 CN CN202010894702.4A patent/CN112178145A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117612A (en) * | 1965-02-15 | 1968-06-19 | Sperry Rand Ltd | Optical apparatus for positioning a drum on its bearings |
| US20020048420A1 (en) * | 2000-10-25 | 2002-04-25 | Heizaburo Kato | Cam mechanism |
| CN102059589A (en) * | 2010-10-21 | 2011-05-18 | 大连理工大学 | Device and method for detecting inclination angle error of laser displacement sensor |
| CN104201822A (en) * | 2014-07-24 | 2014-12-10 | 河北汉光重工有限责任公司 | Rolling bearing mechanism with three-shaft rotary table |
| CN205090152U (en) * | 2015-09-22 | 2016-03-16 | 北京新立机械有限责任公司 | Position shafting structure |
| CN105333109A (en) * | 2015-11-27 | 2016-02-17 | 中国科学院西安光学精密机械研究所 | Encircling type precision shaft system and intermediate assembling and adjusting structure thereof |
| CN105423077A (en) * | 2015-12-15 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Vertical shaft system of precise rotary table |
| CN105397507A (en) * | 2015-12-24 | 2016-03-16 | 浙江博雷重型机床制造有限公司 | Integrated revolving platform |
| CN209764125U (en) * | 2019-03-12 | 2019-12-10 | 河北汉光重工有限责任公司 | Detector pivoted integrated device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640939A (en) * | 2021-07-29 | 2021-11-12 | 长光卫星技术有限公司 | Two-dimensional angle precision adjustment device for large-diameter plane reflector |
| CN113640939B (en) * | 2021-07-29 | 2023-06-23 | 长光卫星技术股份有限公司 | Two-dimensional angle precise adjustment device for large-caliber plane mirror |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |