CN102564761B - Dual-station rotary bearing tester - Google Patents
Dual-station rotary bearing tester Download PDFInfo
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- CN102564761B CN102564761B CN201210003106.8A CN201210003106A CN102564761B CN 102564761 B CN102564761 B CN 102564761B CN 201210003106 A CN201210003106 A CN 201210003106A CN 102564761 B CN102564761 B CN 102564761B
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Abstract
The invention provides a dual-station rotary bearing tester, mainly comprising a stand frame, a bearing frame, a working table, a turnover mechanism, a driving mechanism and a control system. The stand frame is provided with a vertical fixing surface; the working table is square; one end of the working table is flatly placed on the bearing bracket, and the other end of the working table is connected with the lower end of a vertical fixing surface of the stand frame through a hinge; the turnover mechanism is arranged below the working table; and one end of the turnover mechanism is connected with the bottom face of the working table, and the other end of the working table is connected with a turnover bearing base. The working table can rotate for 90 degrees from a horizontal position to a vertical position under the driving of the turnover mechanism, so that a horizontal test and a vertical test can be realized. A fixing base is further arranged on the surface of the working table, and an object to be tested is fastened on the fixing base through fastening bolts which are uniformly distributed on the circumference of the surface of the working table. With the adoption of the tester, a working position of a rotary bearing can be flexibly switched, and the rotary bearing can be detected under a horizontal state and a vertical state. Under a pre-loaded state of a bearing, a relation of a bearing clearance and a working temperature is detected so as to determine an optical original clearance of the bearing.
Description
Technical field
The present invention relates to a kind of pick-up unit of pivoting support, specifically a kind of pivoting support testing machine with horizontal and vertical double.
Background technology
Pivoting support is applied very extensive in real industry, is called " joint of machine " by people, is when doing relative gyration between two articles, needs again to bear the necessary important transmission original paper of machinery of axial force, radial force, tilting moment.Along with developing rapidly of machinery industry, pivoting support is widely used in wind-power electricity generation, ship equipment, engineering machinery, light industry and machinery, metallurgical machinery, medical machinery, industrial machinery people, rock tunnel(ling) machine, revolving stage lamp industry.
Pivoting support, under loaded state, can produce deformation because of stressed, thereby cause the play of bearing to change.This just requires when producing pivoting support, reserve certain deformation surplus for the original play of bearing.If surplus is not enough, during pivoting support carrying, can cause bearing clearance too small, in the course of work, thermal value is large, easy to wear, thereby causes the pivoting support life-span to be reduced.If surplus is excessive, can cause roller to rock in bearing, cause stability and rotating accuracy poor.But at present, pivoting support is conventionally all only tested before dispatching from the factory under the state not loading, the pre-allowance of bearing clearance, conventionally according to calculative determination, easily causes pre-allowance and actual working state inadaptable, thereby causes product quality not reach requirement.
Meanwhile, pivoting support may have plenty of horizontal positioned in different duties in different equipment, and what have is vertical placement, and swing bearing is under different states, and due to the impact of gravity, stressing conditions during running also differs widely.Same bearing is tested in normal situation in horizontal positioned, adopts vertical placement have to arrive different results.Common detection is all to carry out under the state of placing at revolution support level, and therefore, testing result is not comprehensive, can not reflect the real conditions that revolution is supported.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Dual-station rotary bearing tester, make pivoting support keep flat with vertical two states under test, reflect the ruuning situation of pivoting support comprehensively.
The present invention solves the problems of the technologies described above adopted technical scheme to be: Dual-station rotary bearing tester, mainly by stand, bearing support, worktable, switching mechanism, driving mechanism and control system form, stand has a vertical stationary plane, worktable is square, one is held level with both hands and is put on bearing support, the other end is connected with the lower end of the vertical stationary plane of stand by hinge, switching mechanism is arranged on the below of worktable, its one end is connected with the bottom surface of worktable, the other end is connected with upset supporting base, worktable can carry out 90 ° of rotations under the driving of switching mechanism from horizontal level to upright position, to realize horizontal checkout and vertical checkout, on work top, be also provided with the holder of fixing test object, test article is anchored on holder by being the pretension bolt of circumference uniform distribution on work top.
Described driving mechanism comprises drive motor, intermeshing driven wheel and driving gear ring, drives gear ring and test article coaxially to arrange, and is connected with the moving-coil of test article, and driven wheel is connected with drive motor.
Described control system comprises sensor and the data processor that detects test article running status.
The vertical stationary plane of described stand is provided with the bolt connecting hole for stationary work-table.
Described worktable below is at least provided with two bearing supports, and when worktable is horizontal, its one end is supported by bearing support, and the other end is connected with stand.
Described switching mechanism comprises hydraulic jack, turnover bracket and sway brace, one end of turnover bracket and the bottom-hinged of worktable, and the other end is hinged with hydraulic jack and sway brace respectively, and hydraulic jack and sway brace fix on the ground by hinged-support respectively.
The invention has the beneficial effects as follows: worktable can rotate by hinge within the scope of 90 degree, by this testing machine, can switch flexibly the working position of pivoting support, keep flat with vertical two states under pivoting support is detected, under bearing preloading state, detect the relation of bearing clearance and working temperature, thereby determine the best original play of bearing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is worktable and the connected mode schematic diagram of testing pivoting support.
Fig. 4 is the vertical stationary plane structural representation of stand.
Fig. 5 is the schematic diagram of worktable rotary mode.
Mark in figure: 1, stand, 101, vertical stationary plane, 102, bolt connecting hole, 2, worktable, 201, holder, 3, switching mechanism, 301, hydraulic jack, 302, turnover bracket, 303, sway brace, 4, driving mechanism, 401, drive motor, 402, driven wheel, 403, drive gear ring, 5, control system, 6, hinge, 7, pivoting support, 8, pretension bolt, 9, bearing support, 10, upset supporting base.
Embodiment
As shown in the figure, Dual-station rotary bearing tester, mainly consists of stand 1, worktable 2, switching mechanism 3, driving mechanism 4 and control system 5.Stand 1 is the basic body of testing machine, by bolt, is connected with ground, and it has a vertical stationary plane 101.Worktable 2 is square, and one is held level with both hands and is put on bearing support 9, and the other end is connected with the lower end of stand 1 vertical stationary plane 101 by hinge 6.Switching mechanism 3 is arranged on the below of worktable 2, and its one end is connected with the bottom surface of worktable 2, and the other end is connected with upset supporting base 10, the pedestal of upset supporting base 10 for fixing on the ground.Worktable 2 can carry out 90 ° of rotations under the driving of switching mechanism 3 from horizontal level to upright position, to realize horizontal checkout and vertical checkout.Worktable 2 is attached on vertical stationary plane 101 while rotating to upright position, and is bolted.The vertical stationary plane 101 of stand 1 is provided with the bolt connecting hole 102 for stationary work-table 2.
On worktable 2, be provided with the holder 201 of fixing test object, test article 7(pivoting support during test) be placed on holder 201, and be anchored on holder 201 by being the pretension bolt 8 of circumference uniform distribution on 2 of worktable.The Jing Quan that is pivoting support to be tested is connected with holder 201 by a plurality of pretension bolts 8, and a plurality of pretension bolts 8 are circle distribution, and pivoting support is applied to certain pretightning force.Along with the conversion of worktable 2 in level or upright position, thereby realize the test of pivoting support under level and vertical state.
Described driving mechanism 4 comprises drive motor 401, driven wheel 402 and driving gear ring 403, and driven wheel 402 and driving gear ring 403 are intermeshing.Drive gear ring 403 and test article 7 coaxially to arrange, and be connected with the moving-coil of test article 7 by bolt, driven wheel 402 is connected with drive motor 401.By drive motor 401, by driven wheel 402 and driving gear ring 403, drive the moving-coil of test article 7 to rotate successively.By adjusting the power frequency of drive motor 401, realize the control of test article 7 rotating speeds.
According to the difference of purposes, the quiet circle of pivoting support can be outer ring, can be also inner ring.Pivoting support inner ring in the embodiment of the present invention is Jing Quan, and outer ring is moving-coil, and inner ring is connected with holder 201 by pretension bolt.Drive gear ring 403 to be connected with outer ring.
Described control system 5 comprises sensor and the data processor that detects pivoting support running status, can detect in real time the parameters such as the rotating speed of test article 7, temperature variation while rotating and driving power by control system 5.
Described worktable 2 belows are at least provided with two bearing supports 9, and when worktable 2 is horizontal, its one end is supported by bearing support 9, and the other end is connected with stand 1.
Described switching mechanism 3 comprises hydraulic jack 301, turnover bracket 302 and sway brace 303, the bottom-hinged of one end of turnover bracket 302 and worktable 2, the other end is hinged with hydraulic jack 301 and sway brace 303 respectively, and hydraulic jack 301 and sway brace 303 fix on the ground by hinged-support respectively.
Because the length of sway brace 303 is constant, hydraulic jack 301 drives turnover bracket 302 when flexible, makes its upset, and turnover bracket 302 drives again worktable 2, thereby realizes 90 ° of rotations of worktable 2.
While testing: by pretension bolt, pivoting support is fixed on worktable, and applies certain pretightning force, make pivoting support in preload state.Driving mechanism setting is put in place, and adjust worktable and make it in level or vertical station.Utilize drive motor to drive pivoting support to rotate, rotation situation during analog operation.By control system, detect respectively pivoting support when level or the vertical station, the operational factor under different rotating speeds.Arrange the detection time under every kind of station as required, and general every kind of station detects and can draw testing result in about 30 minutes.By test, can verify stationarity, the temperature variations of bearing under high-speed rotation, and when rotation there are the situations such as N/R torque ripple.By testing thering is the pivoting support of different original play, detect in real time every kind of working gap that original play is corresponding under corresponding pretightning force, and working temperature situation and power parameter under every kind of working gap.According to above-mentioned testing result, can finally determine the most suitable original play of pivoting support, thereby produce high performance product.
Claims (4)
1. Dual-station rotary bearing tester, it is characterized in that: mainly by stand (1), bearing support (9), worktable (2), switching mechanism (3), driving mechanism (4) and control system (5) form, stand (1) has a vertical stationary plane (101), worktable (2) is square, one is held level with both hands and is put on bearing support (9), the other end is vertically connected the lower end of stationary plane (101) with stand (1) by hinge (6), switching mechanism (3) is arranged on the below of worktable (2), its one end is connected with the bottom surface of worktable (2), the other end is connected with upset supporting base (10), worktable (2) can carry out 90 ° of rotations under the driving of switching mechanism (3) from horizontal level to upright position, to realize horizontal checkout and vertical checkout, on worktable (2) face, be also provided with the holder (201) of fixing test object, the Jing Quan of test article (7) is anchored on holder (201) above by being the pretension bolt (8) of circumference uniform distribution on worktable (2) face, and it is applied to pretightning force, described driving mechanism (4) comprises drive motor (401), intermeshing driven wheel (402) and drives gear ring (403), drive gear ring (403) and test article (7) coaxially to arrange, and be connected with the moving-coil of test article (7), driven wheel (402) is connected with drive motor (401), the vertical stationary plane (101) of described stand (1) is provided with the bolt connecting hole (102) for stationary work-table (2).
2. Dual-station rotary bearing tester as claimed in claim 1, is characterized in that: described control system (5) comprises sensor and the data processor that detects test article running status.
3. Dual-station rotary bearing tester as claimed in claim 1, it is characterized in that: described worktable (2) below is at least provided with two bearing supports (9), when worktable (2) is horizontal, its one end is supported by bearing support (9), and the other end is connected with stand (1).
4. Dual-station rotary bearing tester as claimed in claim 1, it is characterized in that: described switching mechanism (3) comprises hydraulic jack (301), turnover bracket (302) and sway brace (303), the bottom-hinged of one end of turnover bracket (302) and worktable (2), the other end is hinged with hydraulic jack (301) and sway brace (303) respectively, and hydraulic jack (301) and sway brace (303) fix on the ground by hinged-support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210003106.8A CN102564761B (en) | 2012-01-06 | 2012-01-06 | Dual-station rotary bearing tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210003106.8A CN102564761B (en) | 2012-01-06 | 2012-01-06 | Dual-station rotary bearing tester |
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| CN102564761A CN102564761A (en) | 2012-07-11 |
| CN102564761B true CN102564761B (en) | 2014-02-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788693A (en) * | 2012-08-21 | 2012-11-21 | 中铁隧道装备制造有限公司 | Shield and TBM (tunnel boring machine) hob test bed |
| CN103308303B (en) * | 2013-05-09 | 2016-08-10 | 重庆齿轮箱有限责任公司 | Variable propeller gearbox upset no-load test device |
| CN104089766A (en) * | 2014-07-16 | 2014-10-08 | 索特传动设备有限公司 | Load test device |
| CN105043676B (en) * | 2015-06-17 | 2019-04-09 | 北京精密机电控制设备研究所 | A kind of remote control device of super-pressure helium leak check |
| CN108372418B (en) * | 2018-04-10 | 2024-06-25 | 曹强利 | Turnover rotary mechanism for machining workpiece |
| CN114526913B (en) * | 2022-02-23 | 2024-05-14 | 郑州众城润滑科技有限公司 | Device and method for testing lubricating performance of slewing bearing |
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| JP2008286662A (en) * | 2007-05-18 | 2008-11-27 | Ntn Corp | Device and method for testing bearing |
| CN101430245A (en) * | 2008-12-08 | 2009-05-13 | 洛阳轴研科技股份有限公司 | Dynamic simulation test method and testing machine for plastic support bearing used for suspension |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
| CN101458157A (en) * | 2009-01-07 | 2009-06-17 | 西安交通大学 | Dynamic performance integrated test experimental device for high speed principal axis |
| CN201881153U (en) * | 2010-12-06 | 2011-06-29 | 威海华东数控股份有限公司 | High-speed and high-precision rotary table driving device |
| CN202403911U (en) * | 2012-01-06 | 2012-08-29 | 洛阳新强联回转支承股份有限公司 | Double-station slewing bearing testing machine |
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2012
- 2012-01-06 CN CN201210003106.8A patent/CN102564761B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008286662A (en) * | 2007-05-18 | 2008-11-27 | Ntn Corp | Device and method for testing bearing |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
| CN101430245A (en) * | 2008-12-08 | 2009-05-13 | 洛阳轴研科技股份有限公司 | Dynamic simulation test method and testing machine for plastic support bearing used for suspension |
| CN101458157A (en) * | 2009-01-07 | 2009-06-17 | 西安交通大学 | Dynamic performance integrated test experimental device for high speed principal axis |
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| CN202403911U (en) * | 2012-01-06 | 2012-08-29 | 洛阳新强联回转支承股份有限公司 | Double-station slewing bearing testing machine |
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