CN103206936B - For bearing shaft to the uniform rotation of Projection Measure and axial force control method - Google Patents
For bearing shaft to the uniform rotation of Projection Measure and axial force control method Download PDFInfo
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- CN103206936B CN103206936B CN201310079666.6A CN201310079666A CN103206936B CN 103206936 B CN103206936 B CN 103206936B CN 201310079666 A CN201310079666 A CN 201310079666A CN 103206936 B CN103206936 B CN 103206936B
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Abstract
For bearing shaft to the uniform rotation of Projection Measure and axial force control method, measured bearing (9) is arranged on mandrel (10), computing machine (7) instruction starts brushless electric machine (5) to controller (6) and realizes worm screw (4), worm gear (3, main shaft (12) and mandrel (10) uniform rotation, move right by the push rod (14) of computer instruction cylinder or hydraulic cylinder (1) and act on pressure transducer (11) by main shaft again, in the axle pressure signal immediate feedback to computing machine that pressure transducer produces, measured bearing axial force F a allowable compares, until measured bearing axial bulge quantity just can be detected when equaling measured bearing axial force F a allowable, the present invention not only can realize uniform rotation but also can apply axial force, this is very important to realizing measured bearing detection axis to bulge quantity, the effect produced is apparent, effectively improve the accuracy of detection of the axial bulge quantity of measured bearing.
Description
Technical field
The invention belongs to Bearing testing technical field, refer more particularly to a kind of for bearing shaft to the uniform rotation of Projection Measure and axial force control method.
Background technology
Bearing contains outer ring, inner ring and rolling body, other end, usual outer ring is fixed and inner ring one end face is located and uniform rotation, under uniform rotation, axial force F a allowable is applied with to face, inner ring one end, an axial displacement will be produced in the other end, relative outer ring, inner ring other end of the spacing lower uniform rotation of axial force F a allowable and rolling body, claim its bearing shaft to bulge quantity the arithmetic mean of this axial displacement, the size of axial bulge quantity affects the running accuracy of bearing, axial bulge quantity causes bearing can be stuck and produce heavy wear time larger, when axial bulge quantity is less, inner ring can produce when uniform rotation and axially channel bit, axially channeling bit causes the running accuracy of bearing to reduce.Therefore bearing must be strict controlled in Fa the actual axial load that face, inner ring one end applies when concrete use, nonetheless, also under uniform rotation, will detect the axial bulge quantity of bearing by axial force F a allowable and whether meet designing requirement before dispatching from the factory.
Current employing measuring instrument for projection detects the axial bulge quantity of bearing, and there are the following problems for this measuring instrument for projection:
One, come to apply axial force to face, inner ring one end by pneumatic cylinder or hydraulic cylinder, this axial force intuitively can not be read out and whether meet axial force F a allowable, has influence on the accuracy of bearing shaft to Projection Measure;
Two, manually rotation mandrel drives inner ring to rotate, and the speed of manual rotation mandrel is not uniform rotation state, and the less stable of manual rotation mandrel, also have influence on the accuracy of bearing shaft to Projection Measure.
Uniform rotation and axial force are united two into one for detecting the control method of the axial bulge quantity of bearing so far there are no relevant report.
Summary of the invention
In order to solve the problem, the invention provides a kind of for bearing shaft to the uniform rotation of Projection Measure and axial force control method, this control method can realize the uniform rotation of bearing by a set of pick-up unit, and inner ring is applied to the axial force that can monitor under uniform rotation, improve the precision of bearing shaft to Projection Measure, control method is simple, practical.
For achieving the above object, the present invention adopts following technical scheme:
Described for bearing shaft to the uniform rotation of Projection Measure and axial force control method, bearing shaft represents to bulge quantity: when other end, outer ring is fixed and inner ring one end face is located and uniform rotation, under uniform rotation, axial force F a allowable is applied with to face, inner ring one end, will produce an axial displacement in the other end, relative outer ring, inner ring other end of the spacing lower uniform rotation of axial force F a allowable and rolling body, the arithmetic mean of this axial displacement is referred to as bearing shaft to bulge quantity; Control method relates to a set of pick-up unit, described pick-up unit contains cylinder or hydraulic cylinder, bearing, worm gear, worm screw, brushless electric machine, controller, computing machine, display, mandrel, pressure transducer, main shaft, feather key and push rod, and control method of the present invention is as follows:
Connecting flange cover on the push rod of cylinder or hydraulic cylinder, by inner nut solid bearing in described flange sleeve, bearing is by one end of outer nut fixed main shaft, mandrel is socketed with in the other end polygon endoporus of main shaft, pressure sensor between the other end of main shaft and mandrel, the interlude of main shaft configures feather key, on the interlude of main shaft, worm gear is installed by feather key, worm gear and worm mesh, worm screw connects with brushless electric machine, the control lead-in wire of the lead-in wire of pressure transducer and cylinder or hydraulic cylinder connects with computing machine respectively, brushless electric machine via controller connects with computing machine after connecting again, computing machine connects with display,
Measured bearing to be arranged on mandrel and to make inner ring one end face of measured bearing abut against the step end of mandrel, the outer ring of measured bearing is fixed by holder and described holder withstands on other end, outer ring, the centerline axis parallel of the central axis of described holder and mandrel and main shaft and overlapping; when computing machine starts brushless electric machine by instruction to controller, brushless electric machine is rotated by worm and worm wheel drive shaft and mandrel, brushless electric machine can be realized by computer monitoring and reach at the uniform velocity state make main shaft and mandrel also reach at the uniform velocity state, under described at the uniform velocity state, computing machine is moved right by the push rod of instruction control cylinder or hydraulic cylinder again, push rod moves right and main shaft and mandrel is also moved right, main shaft makes the relative position of worm gear and worm screw not change by feather key in the process moved right, push rod moves right and can act on pressure transducer by main shaft, the axle pressure signal that pressure transducer produces feeds back in computing machine by described lead-in wire immediately, described axle pressure signal is converted to instant axial force by the program pre-set by computing machine, the measured bearing axial force F a allowable of described instant axial force and computer stored compares, described instant axial force can not > measured bearing axial force F a allowable, otherwise measured bearing is by damaged, increase by computing machine the thrust that push rod moves right gradually when described instant axial force is less than measured bearing axial force F a allowable, until measured bearing axial bulge quantity just can be detected when described instant axial force equals measured bearing axial force F a allowable, the measured value of rotating speed and described instant axial force that brushless electric machine reaches at the uniform velocity state feeds back to display by computing machine and carries out instant playback.
The bearing of flange sleeve internal fixtion described above or four-point contact ball, or pairing angular contact ball bearing, or matched cone roller bearing.
Owing to adopting technical scheme described above, the present invention produces following good effect:
1, control method of the present invention can realize the uniform rotation of measured bearing by a set of pick-up unit, and the inner ring of measured bearing is applied to the axial force that can monitor under uniform rotation, improve the accuracy of detection of the axial bulge quantity of measured bearing, control method has simple, practical feature.
2, pick-up unit of the present invention both can realize uniform rotation, can realize again applying axial force, this is very important to realizing measured bearing detection axis to bulge quantity, thoroughly solve the problem existing for background technology, its effect is apparent, effectively improves the accuracy of detection of the axial bulge quantity of measured bearing.
3, worm gear → worm screw → brushless electric machine that the rotation of main shaft relies on feather key to connect realizes, and the uniform rotation of main shaft then relies on the program set by computing machine to control brushless electric machine to realize.
Accompanying drawing explanation
Fig. 1 is control method simplified schematic diagram of the present invention;
In Fig. 1: 1-cylinder or hydraulic cylinder; 2-bearing; 3-worm gear; 4-worm screw; 5-brushless electric machine; 6-controller; 7-computing machine; 8-display; 9-measured bearing; 10-mandrel; 11-pressure transducer; 12-main shaft; 13-feather key; 14-push rod.
Embodiment
The present invention be a kind of for bearing shaft to the uniform rotation of Projection Measure and axial force control method, control method of the present invention can realize the uniform rotation of measured bearing by a set of pick-up unit, and the inner ring of measured bearing is applied to the axial force that can monitor under uniform rotation, improve the accuracy of detection of the axial bulge quantity of measured bearing, control method has simple, practical feature.
The axial bulge quantity of bearing represents: when other end, outer ring is fixed and inner ring one end face is located and uniform rotation, the described other end of composition graphs 1 refers to the right side of outer ring and inner ring, and a described end face refers to the left side of outer ring and inner ring, identical below.Under uniform rotation, axial force F a allowable is applied with to face, inner ring one end, will produce an axial displacement in the other end, relative outer ring, inner ring other end of the spacing lower uniform rotation of axial force F a allowable and rolling body, the arithmetic mean of this axial displacement is referred to as bearing shaft to bulge quantity.How the axial bulge quantity that the present invention does not study measured bearing detects, because bearing shaft has been known in the field to the detection of bulge quantity, the present invention only studies the uniform rotation that how to realize measured bearing and under uniform rotation, how applies to equal the instant axial force control method of axial force F a allowable to measured bearing, and the axial force F a allowable of measured bearing 9 stores for future use in computing machine 7.
Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples, discloses object of the present invention and is intended to protect all changes and improvements in the scope of the invention.
Composition graphs 1, control method of the present invention relates to a set of pick-up unit, and described pick-up unit contains cylinder or hydraulic cylinder 1, bearing 2, worm gear 3, worm screw 4, brushless electric machine 5, controller 6, computing machine 7, display 8, mandrel 10, pressure transducer 11, main shaft 12, feather key 13 and push rod 14.
In described pick-up unit:
Connecting flange cover on the push rod 14 of cylinder or hydraulic cylinder 1, by inner nut solid bearing 2 in described flange sleeve, bearing 2 is by one end of outer nut fixed main shaft 12, mandrel 10 is socketed with in the other end polygon endoporus of main shaft 12, the left end of composition graphs 1 main shaft is called described one end and its right-hand member is called the described other end, described polygon endoporus is based on positive cubic endoporus, pressure sensor 11 between the other end of main shaft 12 and mandrel 10, the interlude of main shaft 12 configures feather key 13, on the interlude of main shaft 12, worm gear 3 is installed by feather key 13, worm gear 3 engages with worm screw 4, worm screw 4 connects with brushless electric machine 5, the control lead-in wire of the lead-in wire of pressure transducer 11 and cylinder or hydraulic cylinder 1 connects with computing machine 7 respectively, brushless electric machine 5 via controller 6 connects with computing machine 7 after connecting again, computing machine 7 connects with display 8.
Above-mentioned is the basic configuration situation of described pick-up unit, can obviously find out:
Worm gear 3 → worm screw 4 → brushless electric machine 5 that the rotation of main shaft 12 relies on feather key 13 to connect realizes, and the uniform rotation of main shaft 12 then relies on the program set by computing machine 7 to control brushless electric machine 5.
The push rod 14 of cylinder or hydraulic cylinder 1 can realize main shaft 12 → mandrel 10 and moves left and right by its axis method and apply axial force to measured bearing 9, can be fed back in computing machine 7 by pressure transducer 11 the axial force size of measured bearing 9 applying and compare, when main shaft 12 uniform rotation, moving left and right of main shaft 12 can be realized by feather key 13, main shaft 12 does not affect the uniform rotation of worm gear 3 in process moving left and right, the relative position of worm gear 3 → worm screw 4 → brushless electric machine 5 is not changed yet, so described pick-up unit both can realize uniform rotation, can realize again applying axial force, this is very important to realizing measured bearing 9 detection axis to bulge quantity, thoroughly solve the problem existing for background technology, its effect is apparent, effectively improve the accuracy of detection of the axial bulge quantity of measured bearing 9.
The bearing 2 of flange sleeve internal fixtion described above or four-point contact ball, or pairing angular contact ball bearing, or matched cone roller bearing, these bearings can bear radial force and bidirectional axial force simultaneously, and the push rod 14 that can realize cylinder or hydraulic cylinder 1 when main shaft 12 at the uniform velocity rotates does not rotate.
The data processor of computing machine 7 also can adopt PLC to carry out data processing, and the data processor that control method according to the present invention arranges computing machine 7 is not difficult matter to those of ordinary skill in the art.
Measured bearing 9 to be arranged on mandrel 10 and to make inner ring one end face of measured bearing 9 abut against the step end of mandrel, the outer ring of measured bearing 9 is fixed by holder and described holder withstands on other end, outer ring, the centerline axis parallel of the central axis of described holder and mandrel 10 and main shaft 12 and overlapping, this also illustrates that the cylinder or hydraulic cylinder 1 central axis be fixed also is wanted parallel with the central axis of described holder and overlap.
When computing machine 7 starts brushless electric machine 5 by instruction to controller 6, brushless electric machine 5 is rotated by worm screw 4 and worm gear 3 drive shaft 12 and mandrel 10, brushless electric machine 5 can be realized by computing machine 7 monitoring and reach at the uniform velocity state make main shaft 12 and mandrel 10 also reach at the uniform velocity state, under described at the uniform velocity state, computing machine 7 is moved right by the push rod 14 of instruction control cylinder or hydraulic cylinder 1 again, push rod 14 moves right and main shaft 12 and mandrel 10 is also moved right, main shaft 12 makes the relative position of worm gear 3 and worm screw 4 not change by feather key 13 in the process moved right, push rod 14 moves right and can act on pressure transducer 11 by main shaft 12, the axle pressure signal that pressure transducer 11 produces feeds back in computing machine 7 by described lead-in wire immediately, described axle pressure signal is converted to instant axial force by the program pre-set by computing machine 7, the measured bearing 9 axial force F a allowable that described instant axial force and computing machine 7 store compares, described instant axial force can not > measured bearing axial force F a allowable, otherwise measured bearing 9 is by damaged, increase by computing machine 7 thrust that push rod 14 moves right gradually when described instant axial force is less than measured bearing axial force F a allowable, until measured bearing axial bulge quantity just can be detected when described instant axial force equals measured bearing axial force F a allowable, brushless electric machine 5 reaches the rotating speed of at the uniform velocity state and the measured value of described instant axial force and feeds back to display 8 by computing machine 7 and carry out instant playback, operating personnel can be monitored the duty of described pick-up unit in real time by display 8 and be revised by computing machine 7.
The embodiment selected in this article in order to open object of the present invention, currently thinks to be suitable for, but it is to be understood that the present invention is intended to comprise all changes belonging to the embodiment in this design and the scope of the invention and improvement.
Claims (2)
1. for bearing shaft to the uniform rotation of Projection Measure and axial force control method, bearing shaft represents to bulge quantity: when other end, outer ring is fixed and inner ring one end face is located and uniform rotation, under uniform rotation, axial force F a allowable is applied with to face, inner ring one end, will produce an axial displacement in the other end, relative outer ring, inner ring other end of the spacing lower uniform rotation of axial force F a allowable and rolling body, the arithmetic mean of this axial displacement is referred to as bearing shaft to bulge quantity; Control method uses a set of pick-up unit, described pick-up unit contains cylinder or hydraulic cylinder (1), bearing (2), worm gear (3), worm screw (4), brushless electric machine (5), controller (6), computing machine (7), display (8), mandrel (10), pressure transducer (11), main shaft (12), feather key (13) and push rod (14), it is characterized in that:
The upper connecting flange cover of push rod (14) of cylinder or hydraulic cylinder (1), by inner nut solid bearing (2) in described flange sleeve, bearing (2) is by one end of outer nut fixed main shaft (12), mandrel (10) is socketed with in the other end polygon endoporus of main shaft (12), pressure sensor (11) between the other end of main shaft (12) and mandrel (10), the interlude of main shaft (12) configures feather key (13), by feather key (13), worm gear (3) is installed on the interlude of main shaft (12), worm gear (3) engages with worm screw (4), worm screw (4) connects with brushless electric machine (5), the control lead-in wire of the lead-in wire of pressure transducer (11) and cylinder or hydraulic cylinder (1) connects with computing machine (7) respectively, brushless electric machine (5) via controller (6) connects with computing machine (7) after connecting again, computing machine (7) connects with display (8),
Measured bearing (9) is arranged on mandrel (10) go up and make inner ring one end face of measured bearing (9) abut against the step end of mandrel (10), the outer ring of measured bearing (9) is fixed by holder and described holder withstands on other end, outer ring, the central axes of the central axis of described holder and mandrel (10) and main shaft (12); when computing machine (7) starts brushless electric machine (5) by instruction to controller (6), brushless electric machine (5) is rotated by worm screw (4) and worm gear (3) drive shaft (12) and mandrel (10), brushless electric machine (5) can be realized by computing machine (7) monitoring and reach at the uniform velocity state make main shaft (12) and mandrel (10) also reach at the uniform velocity state, under described at the uniform velocity state, computing machine (7) is moved right by the push rod (14) of instruction control cylinder or hydraulic cylinder (1) again, push rod (14) moves right and main shaft (12) and mandrel (10) is also moved right, main shaft (12) makes the relative position of worm gear (3) and worm screw (4) not change by feather key (13) in the process moved right, push rod (14) moves right and can act on pressure transducer (11) by main shaft (12), the axle pressure signal that pressure transducer (11) produces feeds back in computing machine (7) by described lead-in wire immediately, described axle pressure signal is converted to instant axial force by the program pre-set by computing machine (7), measured bearing (9) the axial force F a allowable that described instant axial force and computing machine (7) store compares, described instant axial force can not be greater than measured bearing axial force F a allowable, otherwise measured bearing (9) is by damaged, increase by computing machine (7) thrust that push rod moves right gradually when described instant axial force is less than measured bearing axial force F a allowable, until measured bearing (9) axial bulge quantity just can be detected when described instant axial force equals measured bearing (9) axial force F a allowable, brushless electric machine (5) reaches the rotating speed of at the uniform velocity state and the measured value of described instant axial force and feeds back to display (8) by computing machine (7) and carry out instant playback.
2. according to claim 1 for bearing shaft to the uniform rotation of Projection Measure and axial force control method, it is characterized in that: the bearing (2) of described flange sleeve internal fixtion or four-point contact ball, or pairing angular contact ball bearing, or matched cone roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079666.6A CN103206936B (en) | 2013-03-13 | 2013-03-13 | For bearing shaft to the uniform rotation of Projection Measure and axial force control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079666.6A CN103206936B (en) | 2013-03-13 | 2013-03-13 | For bearing shaft to the uniform rotation of Projection Measure and axial force control method |
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| Publication Number | Publication Date |
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| CN103206936A CN103206936A (en) | 2013-07-17 |
| CN103206936B true CN103206936B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310079666.6A Active CN103206936B (en) | 2013-03-13 | 2013-03-13 | For bearing shaft to the uniform rotation of Projection Measure and axial force control method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154841A (en) * | 2014-08-20 | 2014-11-19 | 无锡市第二轴承有限公司 | Universal paired bearing load projection measuring instrument |
| JP7429902B2 (en) * | 2019-08-21 | 2024-02-09 | パナソニックＩｐマネジメント株式会社 | self-propelled robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305728A (en) * | 1995-09-26 | 1997-04-16 | Daido Metal Co | Measuring apparatus for measuring a bearing height of a plain bearing half |
| CN201093975Y (en) * | 2007-08-17 | 2008-07-30 | 上海莱必泰数控机床股份有限公司 | Device for measuring bearing end face project size |
| CN201285268Y (en) * | 2008-10-30 | 2009-08-05 | 洛阳轴研科技股份有限公司 | Bearing projection measuring apparatus with preload smaller than 10N |
| CN101749993A (en) * | 2008-12-08 | 2010-06-23 | 哈尔滨轴承集团公司 | Detecting instrument for protruding and denting values of angular contact bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001330031A (en) * | 2000-05-24 | 2001-11-30 | Nsk Ltd | Rolling bearing device and method of determining pre- load thereof |
| KR100935928B1 (en) * | 2008-02-15 | 2010-01-08 | (주)삼호정기 | Inspection apparatus for gear's shape |
-
2013
- 2013-03-13 CN CN201310079666.6A patent/CN103206936B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2305728A (en) * | 1995-09-26 | 1997-04-16 | Daido Metal Co | Measuring apparatus for measuring a bearing height of a plain bearing half |
| CN201093975Y (en) * | 2007-08-17 | 2008-07-30 | 上海莱必泰数控机床股份有限公司 | Device for measuring bearing end face project size |
| CN201285268Y (en) * | 2008-10-30 | 2009-08-05 | 洛阳轴研科技股份有限公司 | Bearing projection measuring apparatus with preload smaller than 10N |
| CN101749993A (en) * | 2008-12-08 | 2010-06-23 | 哈尔滨轴承集团公司 | Detecting instrument for protruding and denting values of angular contact bearing |
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| CN103206936A (en) | 2013-07-17 |
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Effective date of registration: 20180510 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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