CN112128252A - Supporting mechanism and method for large-diameter continuous rotary long shaft - Google Patents
Supporting mechanism and method for large-diameter continuous rotary long shaft Download PDFInfo
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- CN112128252A CN112128252A CN202010837202.7A CN202010837202A CN112128252A CN 112128252 A CN112128252 A CN 112128252A CN 202010837202 A CN202010837202 A CN 202010837202A CN 112128252 A CN112128252 A CN 112128252A
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- long shaft
- diameter
- bearing
- diameter continuous
- continuous rotary
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A supporting mechanism and a method for a large-diameter continuous rotary long shaft belong to the technical field of machinery. The device comprises a support seat, a roller bearing, a press cover, an upper support mechanism, a lower support mechanism, a large-diameter bearing and a scale, wherein the pin shaft is arranged on the support seat in an interference manner, the roller bearing is arranged on the support seat by taking the pin shaft as a rotating shaft, the outer ring of the roller bearing is in point contact with the outer circumference of the large-diameter continuous rotary long shaft, the support seat is arranged on a support box body, the press cover is connected onto the support box body through screws to press the support seat, the upper support mechanism comprises three groups, the three groups are mutually connected with the support box body and the large-diameter continuous rotary long shaft by 120 degrees, the lower support is the large-diameter bearing, the large-diameter bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring is arranged on the radial outer circumference of the large-diameter continuous rotary long shaft, the bearing inner ring of the large-diameter.
Description
Technical Field
The invention relates to a supporting mechanism and a method for a large-diameter continuous rotary long shaft, and belongs to the technical field of machinery.
Background
The major diameter continuous rotation long shaft is widely applied to the field of mechanical heavy industry as a core transmission component, the rotation support of the major diameter continuous rotation long shaft is a technical difficulty in the actual industry and is called as a mechanical joint, the structural form of the support is directly related to that the transmission can not be stably realized, and the whole machine can not realize operation. The conventional large-diameter long shaft type rotary support is mainly realized by matching front and back or upper and lower large-diameter bearings matched with the shaft type diameter, continuous and stable rotation is realized, the requirement on processing the large-diameter continuous rotary long shaft is high, the processing difficulty is high, and the processing cost is high. Meanwhile, the large-diameter bearing matched with the large-diameter continuous rotary long shaft has a complex structure and high price and is mostly imported. During assembly and installation, high requirements are put forward on the process and assembly, the operation difficulty is high, the adjustability is poor, and the maintenance cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a supporting mechanism and a method for a large-diameter continuous rotary long shaft.
A support mechanism for a large-diameter continuous rotation long shaft, the upper support mechanism comprising: the bearing inner ring is arranged on the radial outer circumference of the large-diameter continuous rotary long shaft, the bearing inner ring of the large-diameter bearing is positioned at the front end of the large-diameter continuous rotary long shaft, the bearing outer ring of the large-diameter bearing is fixed on the inner cavity of the supporting box body, the outside of the upper surface of the bearing inner ring of the large-diameter bearing is provided with a graduated scale which is a movable scale for grating detection, and a fixed position on the supporting box body is provided with a fixed scale for grating detection.
The upper supports are three groups of supporting mechanisms which have the same structure and are uniformly distributed on the central shaft at the same radial section of the large-diameter continuous rotary long shaft, and the supporting mechanisms are in radial three-point contact with the large-diameter continuous rotary long shaft.
The upper supporting mechanism and the lower support are respectively connected to the front end and the rear end of the large-diameter continuous rotary long shaft.
A supporting method of a large-diameter continuous rotary long shaft comprises the following steps; the large-diameter bearing comprises an inner ring and an outer ring, when the inner ring and the outer ring move relatively, the continuous rotation of the bearing is realized through the rotation of a roller, the inner ring is arranged at the radial periphery of the large-diameter continuous rotary long shaft and is positioned at the front end of the large-diameter continuous rotary long shaft, the inner ring and the outer ring do not move relatively, the outer ring is fixed on a supporting box body and is relatively fixed with the supporting box body, the rotary motion of the large-diameter continuous rotary long shaft is realized, wherein a scale is arranged outside the upper surface of the inner ring of the bearing and is a movable scale for grating detection, a fixed scale for grating detection is fixedly arranged on the supporting box body, and the detection of the continuous,
the upper supports are three groups of supporting mechanisms which have the same structure and are uniformly distributed on the central shaft at the same radial section of the large-diameter continuous rotary long shaft, and realize radial three-point contact with the large-diameter continuous rotary long shaft,
the inner ring of the roller bearing is fixed on the supporting seat through a pin shaft and does not move relative to the supporting seat, the outer ring can rotate freely, the outer ring is in point contact with the outer diameter of the large-diameter continuous rotary long shaft, the gland is provided with an adjusting amount, the contact area of the outer ring of the roller bearing and the large-diameter continuous rotary long shaft is adjusted, and one point of the three-point support on the large-diameter continuous rotary long shaft is realized.
The upper support and the lower support respectively act on the relative positions of the front end and the rear end of the large-diameter continuous rotation long shaft, wherein the lower support plays a role in positioning, adjustment and centering, the upper support can be adjusted in a floating mode, and stable rotation of the large-diameter continuous rotation long shaft which continuously rotates at a low rotating speed and a high torque is achieved.
The invention has the advantages of a combined structure rotary support system with the functions of lower support centering and upper support floating adjustment. The lower support can bear larger axial and radial loads and tilting moment at the same time by using a large-diameter bearing capable of bearing large comprehensive loading force. The upper end of the floating adjusting device can be floatingly adjusted by three groups of three-point supporting mechanisms which have the same structure and are positioned on the same radial section and uniformly distributed on the central shaft.
In the field of heavy machinery, the support can be used for supporting a large-diameter continuous rotation long shaft which rotates continuously at a low rotating speed and has high torque. On the basis that can accurate centering location, satisfy the gyration and support and obtain beneficial effect, split type bearing structure has reduced the processing degree of difficulty, makes technology, assembly, more nimble smooth and easy, easy to maintain, simultaneously greatly reduced the cost.
Drawings
A more complete appreciation of the invention and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein the accompanying drawings are included to provide a further understanding of the invention and form a part of this specification, and wherein the illustrated embodiments of the invention and the description thereof are intended to illustrate and not limit the invention, as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
The invention is further illustrated with reference to the following figures and examples.
Detailed Description
It will be apparent that those skilled in the art can make many modifications and variations based on the spirit of the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art.
The following examples are further illustrative in order to facilitate the understanding of the embodiments, and the present invention is not limited to the examples.
Example 1: as shown in fig. 1 and 2, a supporting mechanism for a large-diameter continuous rotation long shaft includes a large-diameter bearing 1, a large-diameter continuous rotation long shaft 2, a supporting box 3, a gland 4, a supporting seat 5, a roller bearing 6 and a pin 7.
Go up supporting mechanism includes: the device comprises a gland 4, a supporting seat 5, a roller bearing 6 and a pin shaft 7, wherein the pin shaft 7 is installed on the supporting seat 5 in an interference mode, the roller bearing 6 is also installed on the supporting seat 5 by taking the pin shaft 7 as a rotating shaft, an inner ring of the roller bearing 6 is fixed on the supporting seat 5 through the pin shaft 7 and does not move relative to the supporting seat, an outer ring of the roller bearing 6 can rotate freely, the outer ring of the roller bearing 6 is in point contact with the outer circumference of the large-diameter continuous rotary long shaft 2, the supporting seat 5 is installed on a supporting box body 3, the gland 4 is connected onto the supporting box body 3 through screws to compress the supporting seat 5, the gland 4 has an adjusting amount, and. Thereby realizing one of three points supported on the major diameter continuous revolution long shaft 2.
The upper supporting mechanism is provided with three groups, the three groups are mutually connected with the supporting box body 3 and the large-diameter continuous rotation long shaft 2 at 120 degrees, and the upper supporting mechanism is in radial three-point contact with the large-diameter continuous rotation long shaft.
The lower support is a large-diameter bearing 1, the large-diameter bearing 1 comprises a bearing inner ring and a bearing outer ring, when the bearing inner ring and the bearing outer ring move relatively, the large-diameter bearing 1 rotates continuously through the roller, the bearing inner ring is installed on the radial outer circumference of the large-diameter continuous rotary long shaft 2, the bearing inner ring of the large-diameter bearing 1 is located at the front end of the large-diameter continuous rotary long shaft 2, and the bearing inner ring and the large-diameter continuous rotary long shaft 2 do not move relatively.
The bearing outer ring of the large-diameter bearing 1 is fixed on the inner cavity of the supporting box body 3, and the large-diameter bearing 1 and the supporting box body 3 are relatively fixed, so that the rotary motion of the large-diameter continuous rotary long shaft 2 is realized.
The outside of the upper surface of the bearing inner ring of the large-diameter bearing 1 is provided with a scale which is a movable scale for grating detection, and a fixed position on the supporting box body 3 is provided with a fixed scale for grating detection, so that the continuous rotation of the large-diameter continuous rotation long shaft 2 is detected.
The upper supports are three groups of supporting mechanisms which have the same structure and are uniformly distributed on the central shaft at the same radial section of the large-diameter continuous rotary long shaft, and the supporting mechanisms are in radial three-point contact with the large-diameter continuous rotary long shaft.
The upper supporting mechanism and the lower supporting mechanism respectively act on the relative positions of the front end and the rear end of the large-diameter continuous rotation long shaft, wherein the lower supporting mechanism plays a role in positioning and can adjust centering, the upper supporting mechanism can be adjusted in a floating mode, and stable rotation of the large-diameter continuous rotation long shaft which continuously rotates at a low rotating speed and a high torque is achieved.
Example 2: as shown in fig. 1 and 2, the support mechanism for the large-diameter continuous rotary long shaft comprises a lower support and an upper support.
The lower support is a large-diameter bearing 1, the bearing comprises a bearing inner ring and a bearing outer ring, when the inner ring and the outer ring move relatively, the continuous rotation of the bearing is realized through the rotation of the roller, the inner ring is arranged on the radial periphery of the large-diameter continuous rotary long shaft 2 and is positioned at the front end of the large-diameter continuous rotary long shaft 2, and the inner ring and the outer ring do not move relatively. The outer ring is fixed on the supporting box body 3 and is relatively fixed with the supporting box body 3, so that the rotary motion of the large-diameter continuous rotary long shaft 2 is realized. Wherein, the outer side of the upper surface of the bearing inner ring is provided with a graduated scale which is a movable scale for grating detection, and a fixed position on the supporting box body 3 is provided with a fixed scale for grating detection, thus realizing the detection of the continuous rotation of the major diameter continuous rotation major axis 2.
The upper supports are three groups of supporting mechanisms which have the same structure and are uniformly distributed on the central shaft at the same radial section of the large-diameter continuous rotary long shaft, and the supporting mechanisms are in radial three-point contact with the large-diameter continuous rotary long shaft.
Wherein each supporting mechanism comprises: gland 4, supporting seat 5, roller bearing 6, round pin axle 7. The supporting seat 3 is provided with a supporting seat 7, a pin shaft 7 is arranged on the supporting seat 5 in an interference fit mode, the roller bearing 6 is also arranged on the supporting seat 5 by taking the pin shaft 7 as a rotating shaft, an inner ring of the roller bearing 6 is fixed on the supporting seat 5 through the pin shaft 7 and does not move relative to the supporting seat, an outer ring can rotate freely, the outer ring is in point contact with the outer diameter point of the large-diameter continuous rotary long shaft 2, the supporting seat 5 is arranged on the supporting box body 3, the gland 4 is connected to the supporting box body 3 through screws to press the supporting seat 5, the gland 4 has an adjusting amount. Thereby realizing one of three points supported on the major diameter continuous revolution long shaft 2.
The upper support and the lower support respectively act on the relative positions of the front end and the rear end of the large-diameter continuous rotation long shaft, wherein the lower support plays a role in positioning, can adjust centering, and the upper support can be adjusted in a floating mode, so that stable rotation of the large-diameter continuous rotation long shaft with low rotating speed and large torque continuous rotation is realized.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the spirit and scope of the present invention. Therefore, such modifications are also all included in the scope of protection of the present invention.
Claims (5)
1. The utility model provides a major diameter is support mechanism of major diameter continuous rotation major axis which characterized in that goes up support mechanism and includes: the bearing inner ring is arranged on the radial outer circumference of the large-diameter continuous rotary long shaft, the bearing inner ring of the large-diameter bearing is positioned at the front end of the large-diameter continuous rotary long shaft, the bearing outer ring of the large-diameter bearing is fixed on the inner cavity of the supporting box body, the outside of the upper surface of the bearing inner ring of the large-diameter bearing is provided with a graduated scale which is a movable scale for grating detection, and a fixed position on the supporting box body is provided with a fixed scale for grating detection.
2. The supporting mechanism of claim 1, wherein the upper support is three groups of supporting mechanisms with the same structure and uniformly distributed on the central axis at the same radial section of the major diameter continuous rotation major axis, and the supporting mechanisms are in radial three-point contact with the major diameter continuous rotation major axis.
3. The supporting mechanism for the large-diameter continuous rotation long shaft as claimed in claim 1, wherein the upper supporting mechanism and the lower supporting mechanism are respectively connected to the front end and the rear end of the large-diameter continuous rotation long shaft.
4. A supporting method of a large-diameter continuous rotary long shaft is characterized in that the large-diameter bearing comprises an inner ring and an outer ring, when the inner ring and the outer ring move relatively, the inner ring is arranged on the radial periphery of the large-diameter continuous rotary long shaft and is positioned at the front end of the large-diameter continuous rotary long shaft, the inner ring and the outer ring do not move relatively, the outer ring is fixed on a supporting box body and is relatively fixed with the supporting box body to realize the rotary motion of the large-diameter continuous rotary long shaft, wherein a scale is arranged on the outer side of the upper surface of the inner ring of the bearing and is a movable scale for grating detection, a fixed scale for grating detection is fixed on the supporting box body, and the detection of the continuous rotation of the large-diameter continuous rotary long shaft is,
the upper supports are three groups of supporting mechanisms which have the same structure and are uniformly distributed on the central shaft at the same radial section of the large-diameter continuous rotary long shaft, and realize radial three-point contact with the large-diameter continuous rotary long shaft,
the inner ring of the roller bearing is fixed on the supporting seat through a pin shaft and does not move relative to the supporting seat, the outer ring can rotate freely, the outer ring is in point contact with the outer diameter of the large-diameter continuous rotary long shaft, the gland is provided with an adjusting amount, the contact area of the outer ring of the roller bearing and the large-diameter continuous rotary long shaft is adjusted, and one point of the three-point support on the large-diameter continuous rotary long shaft is realized.
5. The method as claimed in claim 4, wherein the upper support and the lower support are respectively applied to the front and rear ends of the major diameter continuous rotation long shaft at relative positions, wherein the lower support has a positioning function to adjust centering, and the upper support can be adjusted in a floating manner to realize stable rotation of the major diameter continuous rotation long shaft with low rotation speed and large torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837202.7A CN112128252A (en) | 2020-08-19 | 2020-08-19 | Supporting mechanism and method for large-diameter continuous rotary long shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010837202.7A CN112128252A (en) | 2020-08-19 | 2020-08-19 | Supporting mechanism and method for large-diameter continuous rotary long shaft |
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| CN112128252A true CN112128252A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010837202.7A Pending CN112128252A (en) | 2020-08-19 | 2020-08-19 | Supporting mechanism and method for large-diameter continuous rotary long shaft |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55142116A (en) * | 1979-04-20 | 1980-11-06 | Ichikawa Tekkosho:Kk | Bearing for spindle rotatable at super high speed |
| US5769381A (en) * | 1994-08-03 | 1998-06-23 | Patin; Pierre | Process for preventing vibrations of cylinders in a cylinder conveyor |
| CN201093016Y (en) * | 2007-11-13 | 2008-07-30 | 上海宝钢设备检修有限公司 | Adjusting and running-in fixture for transmission shaft with single side bearing |
| CN101487493A (en) * | 2008-01-14 | 2009-07-22 | 伍将机械工业股份有限公司 | Bearing device |
| CN201810670U (en) * | 2010-03-12 | 2011-04-27 | 洛阳世必爱特种轴承有限公司 | Crossed conical roller bearing unit for testing and controlling angular displacement |
| CN201908959U (en) * | 2010-11-24 | 2011-07-27 | 吉林市北大科技开发有限公司 | High-speed rotator supporting mechanism |
| CN203604449U (en) * | 2013-12-06 | 2014-05-21 | 武汉航空仪表有限责任公司 | Adjustable moving part radial bearing supporting device |
| CN104514812A (en) * | 2014-12-25 | 2015-04-15 | 合肥华升泵阀股份有限公司 | Self-aligning roll shaft unit |
| CN106907398A (en) * | 2017-05-02 | 2017-06-30 | 西安赛隆金属材料有限责任公司 | A kind of high-speed rotating shaft bearing support assembly |
-
2020
- 2020-08-19 CN CN202010837202.7A patent/CN112128252A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55142116A (en) * | 1979-04-20 | 1980-11-06 | Ichikawa Tekkosho:Kk | Bearing for spindle rotatable at super high speed |
| US5769381A (en) * | 1994-08-03 | 1998-06-23 | Patin; Pierre | Process for preventing vibrations of cylinders in a cylinder conveyor |
| CN201093016Y (en) * | 2007-11-13 | 2008-07-30 | 上海宝钢设备检修有限公司 | Adjusting and running-in fixture for transmission shaft with single side bearing |
| CN101487493A (en) * | 2008-01-14 | 2009-07-22 | 伍将机械工业股份有限公司 | Bearing device |
| CN201810670U (en) * | 2010-03-12 | 2011-04-27 | 洛阳世必爱特种轴承有限公司 | Crossed conical roller bearing unit for testing and controlling angular displacement |
| CN201908959U (en) * | 2010-11-24 | 2011-07-27 | 吉林市北大科技开发有限公司 | High-speed rotator supporting mechanism |
| CN203604449U (en) * | 2013-12-06 | 2014-05-21 | 武汉航空仪表有限责任公司 | Adjustable moving part radial bearing supporting device |
| CN104514812A (en) * | 2014-12-25 | 2015-04-15 | 合肥华升泵阀股份有限公司 | Self-aligning roll shaft unit |
| CN106907398A (en) * | 2017-05-02 | 2017-06-30 | 西安赛隆金属材料有限责任公司 | A kind of high-speed rotating shaft bearing support assembly |
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Address after: 101300, 16, Shuanghe Avenue, Lin River Industrial Development Zone, Beijing, Shunyi District Applicant after: Beijing Beiyi Machine Tool Co.,Ltd. Address before: 101300, 16, Shuanghe Avenue, Lin River Industrial Development Zone, Beijing, Shunyi District Applicant before: BEIJING BEIYI MACHINE TOOL Co.,Ltd. |
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Application publication date: 20201225 |