CN102997885A - Gap detection device of large slewing bearing - Google Patents
Gap detection device of large slewing bearing Download PDFInfo
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- CN102997885A CN102997885A CN2012104895914A CN201210489591A CN102997885A CN 102997885 A CN102997885 A CN 102997885A CN 2012104895914 A CN2012104895914 A CN 2012104895914A CN 201210489591 A CN201210489591 A CN 201210489591A CN 102997885 A CN102997885 A CN 102997885A
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Abstract
The invention provides a gap detection device of a large slewing bearing and belongs to the technical field of industrial measurement. The gap detection device comprises a radial error detection table, three groups of symmetrically-distributed axial error detection tables, a detection working table frame with a spiral pressing plate clamping mechanism, a slewing bearing to be detected, a controller and a displayer. Each axial error detection table comprises an axial servo motor, an axial rolling guide rail, an axial ball screw, a centering mechanism, an axial screw nut, an axial servo electric pushing rod, an axial working table plate, an axial base and an axial displacement sensor. The radial error detection table comprises a radial servo motor, a locking mechanism, a radial ball screw, a radial rolling guide rail, a radial screw nut, a radial working table plate, a radial servo electric pushing rod, a fork head, a radial base and a radial displacement sensor. The gap detection device of the large slewing bearing has the advantages of being high in detection accuracy, convenient to operate and high in detection efficiency.
Description
Technical field
The invention belongs to the commercial measurement technical field, be specifically related to a kind of large-size pivoting support gap detection device, the axial and radial play after installing for detection of the large diameter pivoting support Internal and external cycle.
Background technology
It is a great problem of puzzlement industry that axial, radial play between the large-size pivoting support Internal and external cycle detects always.Often adopt at present traditional manual detection method: detect for end play, concrete mode is that pivoting support is placed on the workbench, several testing staff prize the different fulcrums of pivoting support inner ring (or outer ring) simultaneously by crowbar, the recycling dial gauge is measured the difference in height at pivoting support Internal and external cycle end face diverse location place, gets its mean value as its end play; Detection for radial play, concrete mode is that the inner ring (or outer ring) of pivoting support is fixing, the outer ring (or inner ring) of the artificial push-and-pull pivoting support of testing staff, then utilize dial gauge to measure its Internal and external cycle respective side reading difference in the horizontal direction, as its radial play.
The diameter of large-size pivoting support and weight are all larger, not only labour intensity is large, efficient is low to adopt above-mentioned traditional manual detection method, and because the testing staff utilizes dial gauge to rely on artificial reading mode to record measurement result, therefore there is the collimation error, also increased the possibility of accidental error, so that testing result is unreliable.
From the above, also there is not a kind of method easy, direct and that accuracy of detection is high to be used for the automatic detection of the axial and radial play between the large-size pivoting support Internal and external cycle at present.
Summary of the invention
The present invention is directed to the problems referred to above of prior art existence, a kind of large-size pivoting support gap detection device is provided, be used for the axial and radial play after detection large-size pivoting support Internal and external cycle is installed automatically, to satisfy the requirement of pivoting support assembly precision.The technical scheme that this device is taked is for utilizing centering machine location, displacement transducer and power sensor feedback, and controller and display by the PLC composition of the control system directly demonstrate testing result.
Large-size pivoting support gap detection device provided by the present invention comprises radial play monitor station, three groups of symmetrical end play monitor stations, pivoting support to be measured outer ring 11, pivoting support inner rings 12 to be measured, contains testing stand 13, controller and the display of spiral pressure plate clamping mechanism; Described radial play monitor station by radial servo motor 1, latch mechanism 2, radially ball-screw 3, radial rolling guide rail 4, radially feed screw nut 5, radially working plate 6, radial servo electric pushrod 7, radially support 8, jaw 9 and radial displacement transducer 10 form; Described three groups of symmetrical end play monitor stations are along the circumference uniform distribution of described testing stand 13, and described three groups of symmetrical end play monitor stations are by pedestal 14, the first axial support 15a, the second axial support 15b, the 3rd axial support 15c, the first servo-electric push rod 16a, the second servo-electric push rod 16b, the 3rd servo-electric push rod 16c, the first shaft position sensor 17a, the second shaft position sensor 17b, three axial displacement sensor 17c, the first axial working plate 18a, the second axial working plate 18b, the 3rd axial working plate 18c, the first axial feed screw nut 19a, the second axial feed screw nut 19b, the 3rd axial feed screw nut 19c, the first centering machine 20a, the second centering machine 20b, the 3rd centering machine 20c, the first axial rolling guide rail 21a, the second axial rolling guide rail 21b, the 3rd axial rolling guide rail 21c, the first axial ball-screw 22a, the second axial ball-screw 22b, the 3rd axial ball-screw 22c, the first axial servomotor 23a, the second axial servomotor 23b and the 3rd axial servomotor 23c form; The control line of described radial servo motor 1, the first axial servomotor 23a, the second axial servomotor 23b and the 3rd axial servomotor 23c links to each other with described controller, and described radial displacement transducer 10, the first shaft position sensor 17a, the second shaft position sensor 17b and three axial displacement sensor 17c link to each other with described display by data line; Described radially ball-screw 3 by bearing block support on described radially support 8, the described first axial ball-screw 22a, the second axial ball-screw 22b and the 3rd axial ball-screw 22c respectively by bearing block support on the described first axial support 15a, the second axial support 15b and the 3rd axial support 15c; One end of described radially ball-screw 3 links to each other with described radial servo motor 1 by shaft coupling, and the end of the described first axial ball-screw 22a, the second axial ball-screw 22b and the 3rd axial ball-screw 22c links to each other with the described first axial servomotor 23a, the second axial servomotor 23b and the 3rd axial servomotor 23c by shaft coupling respectively; Described radially working plate 6 links to each other with described radially feed screw nut 5 by screw, and the described first axial working plate 18a, the second axial working plate 18b and the 3rd axial working plate 18c link to each other with the described first axial feed screw nut 19a, the second axial feed screw nut 19b and the 3rd axial feed screw nut 19c by screw respectively; Described radially working plate 6 is connected with guide rail slide block on the described radial rolling guide rail 4, the described first axial working plate 18a, the second axial working plate 18b and the 3rd axial working plate 18c respectively with described the first axial rolling guide rail 21a, the second axial rolling guide rail 21b, the 3rd axial rolling guide rail 21c on guide rail slide block be connected; Described radial servo electric pushrod 7 links to each other with described radially working plate 6 by side flange, and the front end of described radial servo electric pushrod 7 is arranged strong sensor, and described power sensor connects with U-shaped groove on the described jaw 9 by screw rod and set nut; Bearing pin on the described jaw 9 links to each other with mounting hole on the pivoting support to be measured outer ring 11, is used for finishing the radially push-and-pull of pivoting support; Described the first servo-electric push rod 16a, the second servo-electric push rod 16b and the 3rd servo-electric push rod 16c link to each other the strong sensor of top layout of described the first servo-electric push rod 16a, the second servo-electric push rod 16b and the 3rd servo-electric push rod 16c by flange in the bottom with the described first axial working plate 18a, the second axial working plate 18b and the 3rd axial working plate 18c; The control line of described radial servo electric pushrod 7, the first servo-electric push rod 16a, the second servo-electric push rod 16b and the 3rd servo-electric push rod 16c links to each other with controller; Described the first centering machine 20a, the second centering machine 20b and the 3rd centering machine 20c link to each other with the described first axial working plate 18 a, the second axial working plate 18 b and the 3rd axial working plate 18c by screw respectively; Described testing stand 13 is uniformly distributed along the circumference 6, is used for finishing support and the clamping work of pivoting support to be measured; Described radially support 8, the first axial support 15a, the second axial support 15b, the 3rd axial support 15c link to each other with described base 14 by screw respectively.
Described jaw 9 adopts the quick change baffle plate with U-shaped groove structure, with the Fast Installation that satisfies jaw and the requirement of dismounting.
Described radially ball-screw 3 is provided with latch mechanism 2, when radially working plate 6 moves to the predetermined detection position, utilize 2 pairs of latch mechanisms radially ball-screw 3 immediately lock, prevent radially that working plate 6 is radially mobile and affect testing result.
Described radial displacement transducer 10 is for detection of the radial play between pivoting support Internal and external cycle to be measured; Described the first shaft position sensor 17a, the second shaft position sensor 17b and three axial displacement sensor 17c are for detection of the end play between pivoting support Internal and external cycle to be measured.
This device adopts driven by servomotor, and it is mobile at rolling guide to drive working plate by ball screw assembly,, with the detection demand of the pivoting support that adapts to different-diameter; Utilize servo-electric push rod on the working plate to replace and manually prize and push-and-pull, both alleviated labour intensity, reduced again the destruction that human factor causes pivoting support; Adopt high accuracy displacement sensor and multiple spot detection method, avoided the artificial collimation error, also reduced the possibility of accidental error, improved accuracy of detection, detecting data is presented on the display with performance graph and digital form in real time, and can store and print, whole pick-up unit is easy to operate, detection efficiency is high.
Description of drawings
Fig. 1: structure of the detecting device synoptic diagram of the present invention (main looking);
Fig. 2: structure of the detecting device synoptic diagram of the present invention (overlooking);
Fig. 3: the testing process synoptic diagram of pivoting support end play;
Fig. 4: the testing process synoptic diagram of pivoting support radial play.
Among the figure: 1-radial servo motor, the 2-latch mechanism, 3-is ball-screw radially, 4-radial rolling guide rail, 5-is feed screw nut radially, 6-is working plate radially, 7-radial servo electric pushrod, 8-is support radially, the 9-jaw, the 10-radial displacement transducer, 11-pivoting support to be measured outer ring, 12-pivoting support inner ring to be measured, 13-testing stand, the 14-pedestal, 15a-the first axial support, 15b-the second axial support, 15c-the 3rd axial support, 16a-the first axial servo-electric push rod, 16b-the second axial servo-electric push rod, 16c-the 3rd axial servo-electric push rod, 17a-the first shaft position sensor, 17b-the second shaft position sensor, 17c-three axial displacement sensor, 18a-the first axial working plate, 18b-the second axial working plate, 18c-the 3rd axial working plate, 19a-the first axial feed screw nut, 19b-the second axial feed screw nut, 19c-the 3rd axial feed screw nut, 20a-the first centering machine, 20b-the second centering machine, 20c-the 3rd centering machine, 21a-the first axial rolling guide rail, 21b-the second axial rolling guide rail, 21c-the 3rd axial rolling guide rail, 22a-the first axial ball-screw, 22b-the second axial ball-screw, 22c-the 3rd axial ball-screw, 23a-the first axial servomotor, 23b-the second axial servomotor, 23c-the 3rd axial servomotor.
Embodiment
Embodiment 1: the detection of end play
When tested pivoting support is external tooth type, at first pivoting support to be measured is positioned on the testing stand 13, drive the first axial servomotor 23a by controller, the second axial servomotor 23b, the 3rd axial servomotor 23c rotates simultaneously, drive respectively the first centering machine 20a, the second centering machine 20b, the 3rd centering machine 20c is radially mobile to finish the centering of pivoting support inner ring 12 to be measured simultaneously, then be fixed on the testing stand 13 by the inner ring 12 of spiral pressure plate clamping mechanism with pivoting support to be measured, this moment, pivoting support to be measured outer ring 11 naturally drooped under Gravitative Loads.The not moved end of shaft position sensor 17 is fixed on the upper surface of pivoting support inner ring 12 to be measured, and the gauge head of shaft position sensor 17 points to the upper surface of pivoting support to be measured outer ring 11, and demarcate the displacement transducer reading this moment is zero (to see Fig. 3 a).Drive the first axial servo-electric push rod 16a, the second axial servo-electric push rod 16b, the 3rd axial servo-electric push rod 16c jacking pivoting support to be measured outer ring 11 that makes progress simultaneously by controller again, under certain jacking pressure-acting, the outer ring 11 of pivoting support to be measured is because end play is raised to maximal value, and the reading of displacement transducer 17 is the end play value at this measuring point place at this moment
H(seeing Fig. 3 b).By the repeated detection result of three uniform measuring points, get its mean value as the end play detected value between pivoting support Internal and external cycle to be measured, and testing result is exported on display in real time.
When pivoting support to be measured was internal-gear type, detection principle and the external tooth type pivoting support of its end play were similar.
Embodiment 2: the detection of radial play
When tested pivoting support is external tooth type, at first pivoting support to be measured is positioned on the testing stand 13, rotated simultaneously by controller driving the first axial servomotor 23a, the second axial servomotor 23b, the 3rd axial servomotor 23c, it is radially mobile to finish the centering of pivoting support inner ring 12 to be measured simultaneously to drive respectively the first centering machine 20a, the second centering machine 20b, the 3rd centering machine 20c, then by the spiral pressure plate clamping mechanism pivoting support inner ring 12 to be measured is fixed on the testing stand 13.Drive radial servo motor 1 by controller, by ball-screw 3 radially and radially feed screw nut 5 drive radially working plate 6 when radial rolling guide rail 4 moves to the detection position, utilize latch mechanism 2 radially working plate 6 lock.The not moved end of radial displacement transducer 10 is fixed on the upper surface of pivoting support inner ring 12 to be measured, and the gauge head of shaft position sensor 10 points to the side (seeing Fig. 4) of pivoting support to be measured outer ring 11.Jaw 9 is the inside push-tight of level pivoting support to be measured outer ring 11 under the effect of radial servo electric pushrod 7, the reading of demarcating radial displacement transducer 10 this moment is zero, then jaw 9 outside tension pivoting support to be measured outer ring 11 of level under the effect of radial servo electric pushrod 7, this moment, the reading of radial displacement transducer 10 was radial play value between the pivoting support Internal and external cycle to be measured at this measuring point place
L(seeing Fig. 4).Choose a plurality of measuring points and carry out duplicate measurements, get its mean value as the radial play detected value between pivoting support Internal and external cycle to be measured, and testing result is exported on display in real time.
When tested pivoting support was internal-gear type, detection principle and the external tooth type pivoting support of its radial play were similar.
Claims (3)
1. large-size pivoting support gap detection device is characterized in that this device comprises radial play monitor station, three groups of symmetrical end play monitor stations, pivoting support to be measured outer ring (11), pivoting support inner rings to be measured (12), contains testing stand (13), controller and the display of spiral pressure plate clamping mechanism; Described radial play monitor station by radial servo motor (1), latch mechanism (2), radially ball-screw (3), radial rolling guide rail (4), radially feed screw nut (5), radially working plate (6), radial servo electric pushrod (7), radially support (8), jaw (9) and radial displacement transducer (10) form; Described three groups of symmetrical end play monitor stations are along the circumference uniform distribution of described testing stand (13), and described three groups of symmetrical end play monitor stations are by pedestal (14), the first axial support (15a), the second axial support (15b), the 3rd axial support (15c), the first servo-electric push rod (16a), the second servo-electric push rod (16b), the 3rd servo-electric push rod (16c), the first shaft position sensor (17a), the second shaft position sensor (17b), three axial displacement sensor (17c), the first axial working plate (18a), the second axial working plate (18b), the 3rd axial working plate (18c), the first axial feed screw nut (19a), the second axial feed screw nut (19b), the 3rd axial feed screw nut (19c), the first centering machine (20a), the second centering machine (20b), the 3rd centering machine (20c), the first axial rolling guide rail (21a), the second axial rolling guide rail (21b), the 3rd axial rolling guide rail (21c), the first axial ball-screw (22a), the second axial ball-screw (22b), the 3rd axial ball-screw (22c), the first axial servomotor (23a), the second axial servomotor (23b) and the 3rd axial servomotor (23c) form; The control line of described radial servo motor (1), the first axial servomotor (23a), the second axial servomotor (23b) and the 3rd axial servomotor (23c) links to each other with described controller, and described radial displacement transducer (10), the first shaft position sensor (17a), the second shaft position sensor (17b) and three axial displacement sensor (17c) link to each other with described display by data line; Described radially ball-screw (3) by bearing block support on described radially support (8), the described first axial ball-screw (22a), the second axial ball-screw (22b) and the 3rd axial ball-screw (22c) respectively by bearing block support on the described first axial support (15a), the second axial support (15b) and the 3rd axial support (15c); One end of described radially ball-screw (3) links to each other with described radial servo motor (1) by shaft coupling, and an end of the described first axial ball-screw (22a), the second axial ball-screw (22b) and the 3rd axial ball-screw (22c) links to each other with the described first axial servomotor (23a), the second axial servomotor (23b) and the 3rd axial servomotor (23c) by shaft coupling respectively; Described radially working plate (6) links to each other with described radially feed screw nut (5) by screw, and the described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) link to each other with the described first axial feed screw nut (19a), the second axial feed screw nut (19b) and the 3rd axial feed screw nut (19c) by screw respectively; Guide rail slide block on described radially working plate (6) and the described radial rolling guide rail (4) is connected, the described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) respectively with described the first axial rolling guide rail (21a), the second axial rolling guide rail (21b), the 3rd axial rolling guide rail (21c) on guide rail slide block be connected; Described radial servo electric pushrod (7) links to each other with described radially working plate (6) by side flange, the front end of described radial servo electric pushrod (7) is arranged strong sensor, and described power sensor connects with U-shaped groove on the described jaw (9) by screw rod and set nut; Bearing pin on the described jaw (9) links to each other with mounting hole on the pivoting support to be measured outer ring (11), is used for finishing the radially push-and-pull of pivoting support; Described the first servo-electric push rod (16a), the second servo-electric push rod (16b) and the 3rd servo-electric push rod (16c) link to each other with the described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) by flange in the bottom; The strong sensor of top layout of described the first servo-electric push rod (16a), the second servo-electric push rod (16b) and the 3rd servo-electric push rod (16c); The control line of described radial servo electric pushrod (7), the first servo-electric push rod (16a), the second servo-electric push rod (16b) and the 3rd servo-electric push rod (16c) links to each other with controller; Described the first centering machine (20a), the second centering machine (20b) and the 3rd centering machine (20c) link to each other with the described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) by screw respectively; Described testing stand (13) is uniformly distributed along the circumference 6, is used for finishing support and the clamping work of pivoting support to be measured; Described radially support (8), the first axial support (15a), the second axial support (15b), the 3rd axial support (15c) link to each other with described base (14) by screw respectively.
2. pick-up unit according to claim 1 is characterized in that described jaw (9) adopts the quick change baffle plate with U-shaped groove structure.
3. pick-up unit according to claim 1 is characterized in that described radially ball-screw (3) is provided with latch mechanism (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489591.4A CN102997885B (en) | 2012-11-27 | 2012-11-27 | Gap detection device of large slewing bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489591.4A CN102997885B (en) | 2012-11-27 | 2012-11-27 | Gap detection device of large slewing bearing |
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| CN102997885A true CN102997885A (en) | 2013-03-27 |
| CN102997885B CN102997885B (en) | 2015-02-25 |
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| CN201210489591.4A Active CN102997885B (en) | 2012-11-27 | 2012-11-27 | Gap detection device of large slewing bearing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104181226A (en) * | 2014-09-02 | 2014-12-03 | 贵州省机电研究设计院 | Multichannel magnetic memory detection device |
| CN106363046A (en) * | 2016-12-02 | 2017-02-01 | 安徽工业大学 | Roundness error automatic shaping machine of slewing bearing |
| WO2017084604A1 (en) * | 2015-11-18 | 2017-05-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial displacement detection method, device and system |
| CN107238345A (en) * | 2017-06-15 | 2017-10-10 | 大连理工大学 | Air supporting rotor gyro dynamic pressure motor gap self-operated measuring unit and method |
| CN106441197B (en) * | 2016-10-12 | 2019-04-02 | 上海信耀电子有限公司 | A kind of the axial gap detection device and method of rotary actuator |
| CN110530320A (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of bearing radial-axial measuring device for windage |
| CN112033275A (en) * | 2020-07-27 | 2020-12-04 | 北京航天控制仪器研究所 | Motor axial clearance measuring device and method based on centroid loading |
| CN112197733A (en) * | 2020-10-09 | 2021-01-08 | 上海大众动力总成有限公司 | Automatic measuring instrument for valve swinging clearance |
| CN113532861A (en) * | 2021-09-16 | 2021-10-22 | 江苏如非轴承科技有限公司 | Bearing working loss and stability detection device |
| CN114234884A (en) * | 2021-11-22 | 2022-03-25 | 河南航天液压气动技术有限公司 | Trapezoidal screw pair gap detection equipment and detection method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181226A (en) * | 2014-09-02 | 2014-12-03 | 贵州省机电研究设计院 | Multichannel magnetic memory detection device |
| CN104181226B (en) * | 2014-09-02 | 2018-04-06 | 贵州省机电研究设计院 | A kind of multi-channel magnetic memory detection device |
| WO2017084604A1 (en) * | 2015-11-18 | 2017-05-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial displacement detection method, device and system |
| CN106441197B (en) * | 2016-10-12 | 2019-04-02 | 上海信耀电子有限公司 | A kind of the axial gap detection device and method of rotary actuator |
| CN106363046A (en) * | 2016-12-02 | 2017-02-01 | 安徽工业大学 | Roundness error automatic shaping machine of slewing bearing |
| CN107238345A (en) * | 2017-06-15 | 2017-10-10 | 大连理工大学 | Air supporting rotor gyro dynamic pressure motor gap self-operated measuring unit and method |
| CN107238345B (en) * | 2017-06-15 | 2019-03-05 | 大连理工大学 | Air bearing rotor gyro dynamic pressure motor gap self-operated measuring unit and method |
| CN110530320A (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of bearing radial-axial measuring device for windage |
| CN112033275A (en) * | 2020-07-27 | 2020-12-04 | 北京航天控制仪器研究所 | Motor axial clearance measuring device and method based on centroid loading |
| CN112033275B (en) * | 2020-07-27 | 2022-04-12 | 北京航天控制仪器研究所 | Motor axial clearance measuring device and method based on centroid loading |
| CN112197733A (en) * | 2020-10-09 | 2021-01-08 | 上海大众动力总成有限公司 | Automatic measuring instrument for valve swinging clearance |
| CN113532861A (en) * | 2021-09-16 | 2021-10-22 | 江苏如非轴承科技有限公司 | Bearing working loss and stability detection device |
| CN113532861B (en) * | 2021-09-16 | 2021-11-26 | 江苏如非轴承科技有限公司 | Bearing working loss and stability detection device |
| CN114234884A (en) * | 2021-11-22 | 2022-03-25 | 河南航天液压气动技术有限公司 | Trapezoidal screw pair gap detection equipment and detection method |
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