CN102997885B - Gap detection device of large slewing bearing - Google Patents
Gap detection device of large slewing bearing Download PDFInfo
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- CN102997885B CN102997885B CN201210489591.4A CN201210489591A CN102997885B CN 102997885 B CN102997885 B CN 102997885B CN 201210489591 A CN201210489591 A CN 201210489591A CN 102997885 B CN102997885 B CN 102997885B
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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 technical field of industrial measurement, be specifically related to a kind of large-size pivoting support gap detection device, for detecting the axis after the installation of large diameter pivoting support Internal and external cycle and radial play.
Background technology
It is a great problem perplexing industry that axial, radial play between large-size pivoting support Internal and external cycle detect always.The manual detection method that normal employing is traditional at present: end play is detected, concrete mode is placed on by pivoting support on a workbench, several testing staff prizes the different fulcrums of pivoting support inner ring (or outer ring) by crowbar simultaneously, the difference in height at pivoting support Internal and external cycle end face diverse location place measured by recycling dial gauge, gets its mean value as its end play; For the detection of radial play, concrete mode is fixed by the inner ring of pivoting support (or outer ring), the outer ring (or inner ring) of the artificial push-and-pull pivoting support of testing staff, then dial gauge is utilized 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, efficiency is low to adopt above-mentioned traditional manual detection method, and utilize dial gauge to rely on artificial reading mode to record measurement result due to testing staff, therefore there is the collimation error, also increase the possibility of accidental error, make testing result unreliable.
From the above, also do not have at present a kind of easy, directly and the high method of accuracy of detection for the automatic detection of the axis between large-size pivoting support Internal and external cycle and radial play.
Summary of the invention
The present invention is directed to the problems referred to above that prior art exists, a kind of large-size pivoting support gap detection device is provided, for automatically detecting the axis after the installation of large-size pivoting support Internal and external cycle and radial play, to meet the requirement of pivoting support assembly precision.The technical scheme that this device is taked is located for utilizing centering machine, and displacement transducer and force snesor feedback, the controller consisted of PLC control system and display 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 outer ring 11 to be measured, pivoting support inner ring 12 to be measured, testing stand 13, controller and display containing screw clamp clamp system, described radial play monitor station is made up of radial servo motor 1, latch mechanism 2, radial ball-screw 3, radial rolling guide rail 4, radial feed screw nut 5, radial working plate 6, radial servo electric pushrod 7, radial support 8, jaw 9 and radial displacement transducer 10, 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, first axial support 15a, second axial support 15b, 3rd axial support 15c, first servo-electric push rod 16a, second servo-electric push rod 16b, 3rd servo-electric push rod 16c, first shaft position sensor 17a, second shaft position sensor 17b, three axial displacement sensor 17c, first axial working plate 18a, second axial working plate 18b, 3rd axial working plate 18c, first axial feed screw nut 19a, second axial feed screw nut 19b, 3rd axial feed screw nut 19c, first centering machine 20a, second centering machine 20b, 3rd centering machine 20c, first axial rolling guide rail 21a, second axial rolling guide rail 21b, 3rd axial rolling guide rail 21c, first axial ball-screw 22a, second axial ball-screw 22b, 3rd axial ball-screw 22c, first axial servomotor 23a, second axial servomotor 23b and the 3rd axial servomotor 23c forms, the control line of the axial servomotor 23a of described radial servo motor 1, first, the second axial servomotor 23b and the 3rd axial servomotor 23c is connected with described controller, and described radial displacement transducer 10, first shaft position sensor 17a, the second shaft position sensor 17b and three axial displacement sensor 17c are connected with described display by data line, described radial ball-screw 3 by bearing block support on described radial support 8, 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 described first axial support 15a, the second axial support 15b and the 3rd axial support 15c, one end of described radial ball-screw 3 is connected with described radial servo motor 1 by shaft coupling, and one end of described first axial ball-screw 22a, the second axial ball-screw 22b and the 3rd axial ball-screw 22c is connected with described first axial servomotor 23a, the second axial servomotor 23b and the 3rd axial servomotor 23c respectively by shaft coupling, described radial working plate 6 is connected with described radial feed screw nut 5 by screw, and described first axial working plate 18a, the second axial working plate 18b and the 3rd axial working plate 18c are connected with described first axial feed screw nut 19a, the second axial feed screw nut 19b and the 3rd axial feed screw nut 19c respectively by screw, described radial working plate 6 is connected with the guide rail slide block on described radial rolling guide rail 4, and described first axial working plate 18a, the second axial working plate 18b and the 3rd axial working plate 18c are connected with the guide rail slide block on described first axial rolling guide rail 21a, the second axial rolling guide rail 21b, the 3rd axial rolling guide rail 21c respectively, described radial servo electric pushrod 7 is connected with described radial working plate 6 by side flange, and the front end of described radial servo electric pushrod 7 is furnished with force snesor, and described force snesor is connected with the U-type groove on described jaw 9 by screw rod and set nut, bearing pin on described jaw 9 is connected with the mounting hole on pivoting support outer ring 11 to be measured, for completing the radial push-and-pull of pivoting support, described first servo-electric push rod 16a, the second servo-electric push rod 16b and the 3rd servo-electric push rod 16c are connected with 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 top layout force sensor of described 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, first servo-electric push rod 16a, the second servo-electric push rod 16b and the 3rd servo-electric push rod 16c is connected with controller, described first centering machine 20a, the second centering machine 20b and the 3rd centering machine 20c are connected with described first axial working plate 18 a, the second axial working plate 18 b and the 3rd axial working plate 18c respectively by screw, described testing stand 13 is uniformly distributed along the circumference 6, for completing support and the clamping work of pivoting support to be measured, the axial support 15a of described radial support 8, first, the second axial support 15b, the 3rd axial support 15c are connected with described base 14 respectively by screw.
Described jaw 9 adopts the quick change baffle plate with U-type groove structure, with the requirement of the Fast Installation and dismounting that meet jaw.
Described radial ball-screw 3 is provided with latch mechanism 2, when radial working plate 6 moves to predetermined detection position, utilizes latch mechanism 2 immediately to lock radial ball-screw 3, prevents radial working plate 6 from radially moving and affecting testing result.
Described radial displacement transducer 10 is for detecting the radial play between pivoting support Internal and external cycle to be measured; Described first shaft position sensor 17a, the second shaft position sensor 17b and three axial displacement sensor 17c are for detecting the end play between pivoting support Internal and external cycle to be measured.
This device adopts driven by servomotor, drives working plate to move on rolling guide, to adapt to the detection demand of the pivoting support of different-diameter by ball screw assembly; Utilize the servo-electric push rod on working plate to replace manually to prize and push-and-pull, both alleviated labour intensity, and again reduced the destruction that human factor causes pivoting support; Adopt high accuracy displacement sensor and multi-point detection method, avoid the artificial collimation error, also reduce the possibility of accidental error, improve accuracy of detection, detect data to show in real time over the display with performance graph and digital form, and can store and print, whole pick-up unit is easy to operate, detection efficiency is high.
Accompanying drawing explanation
Fig. 1: structure of the detecting device schematic diagram of the present invention (master looks);
Fig. 2: structure of the detecting device schematic diagram (overlooking) of the present invention;
Fig. 3: the testing process schematic diagram of pivoting support end play;
Fig. 4: the testing process schematic diagram of pivoting support radial play.
In figure: 1-radial servo motor, 2-latch mechanism, the radial ball-screw of 3-, the radial rolling guide rail of 4-, the radial feed screw nut of 5-, the radial working plate of 6-, 7-radial servo electric pushrod, the radial support of 8-, 9-jaw, 10-radial displacement transducer, 11-pivoting support outer ring to be measured, 12-pivoting support inner ring to be measured, 13-testing stand, 14-pedestal, the axial support of 15a-first, the axial support of 15b-second, the axial support of 15c-the 3rd, the axial servo-electric push rod of 16a-first, the axial servo-electric push rod of 16b-second, the axial servo-electric push rod of 16c-the 3rd, 17a-first shaft position sensor, 17b-second shaft position sensor, 17c-three axial displacement sensor, the axial working plate of 18a-first, the axial working plate of 18b-second, the axial working plate of 18c-the 3rd, the axial feed screw nut of 19a-first, the axial feed screw nut of 19b-second, the axial feed screw nut of 19c-the 3rd, 20a-first centering machine, 20b-second centering machine, 20c-the 3rd centering machine, 21a-first axial rolling guide rail, 21b-second axial rolling guide rail, 21c-the 3rd axial rolling guide rail, the axial ball-screw of 22a-first, the axial ball-screw of 22b-second, the axial ball-screw of 22c-the 3rd, the axial servomotor of 23a-first, the axial servomotor of 23b-second, the axial servomotor of 23c-the 3rd.
Embodiment
Embodiment 1: the detection of end play
When tested pivoting support is external tooth type, first pivoting support to be measured is positioned on testing stand 13, the first axial servomotor 23a is driven by controller, second axial servomotor 23b, 3rd axial servomotor 23c rotates simultaneously, drive the first centering machine 20a respectively, second centering machine 20b, 3rd centering machine 20c is radially simultaneously mobile with the centering completing pivoting support inner ring 12 to be measured, then by screw clamp clamp system, the inner ring 12 of pivoting support to be measured is fixed on testing stand 13, now pivoting support outer ring 11 to be measured naturally droops 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, the gauge head of shaft position sensor 17 points to the upper surface of pivoting support outer ring 11 to be measured, now displacement transducer reading is demarcated as zero (see Fig. 3 a).The first axial servo-electric push rod 16a, the second axial servo-electric push rod 16b, the 3rd axial servo-electric push rod 16c upwards jacking pivoting support outer ring 11 to be measured is simultaneously driven again by controller, under certain lift-up pressure effect, the outer ring 11 of pivoting support to be measured is raised to maximal value because of end play, and now the reading of displacement transducer 17 is the end play value at this measuring point place
h(see Fig. 3 b).By the repeated detection result of uniform three 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 over the display in real time.
When pivoting support to be measured is internal-gear type, Cleaning Principle and the external tooth type pivoting support of its end play are similar.
Embodiment 2: the detection of radial play
When tested pivoting support is external tooth type, first pivoting support to be measured is positioned on testing stand 13, drive the first axial servomotor 23a, the second axial servomotor 23b, the 3rd axial servomotor 23c to rotate by controller simultaneously, drive the first centering machine 20a, the second centering machine 20b, the 3rd centering machine 20c radially simultaneously mobile with the centering completing pivoting support inner ring 12 to be measured respectively, then by screw clamp clamp system, pivoting support inner ring 12 to be measured is fixed on testing stand 13.Drive radial servo motor 1 by controller, when driving radial working plate 6 to move to detection position on radial rolling guide rail 4 by radial ball-screw 3 and radial feed screw nut 5, utilize latch mechanism 2 to be locked by radial working plate 6.The not moved end of radial displacement transducer 10 is fixed on the upper surface of pivoting support inner ring 12 to be measured, the gauge head of shaft position sensor 10 points to the side (see Fig. 4) of pivoting support outer ring 11 to be measured.The inside push-tight of jaw 9 level under the effect of radial servo electric pushrod 7 pivoting support outer ring 11 to be measured, the reading now demarcating radial displacement transducer 10 is zero, then jaw 9 horizontally outward strains pivoting support outer ring 11 to be measured under the effect of radial servo electric pushrod 7, and now the reading of radial displacement transducer 10 is the radial play value between the pivoting support Internal and external cycle to be measured at this measuring point place
l(see Fig. 4).Choose multiple measuring point 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 over the display in real time.
When tested pivoting support is internal-gear type, Cleaning Principle and the external tooth type pivoting support of its radial play are 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 outer ring to be measured (11), pivoting support inner ring to be measured (12), testing stand (13), controller and display containing screw clamp clamp system, described radial play monitor station is made up of radial servo motor (1), latch mechanism (2), radial ball-screw (3), radial rolling guide rail (4), radial feed screw nut (5), radial working plate (6), radial servo electric pushrod (7), radial support (8), jaw (9) and radial displacement transducer (10), 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), first axial support (15a), second axial support (15b), 3rd axial support (15c), first servo-electric push rod (16a), second servo-electric push rod (16b), 3rd servo-electric push rod (16c), first shaft position sensor (17a), second shaft position sensor (17b), three axial displacement sensor (17c), first axial working plate (18a), second axial working plate (18b), 3rd axial working plate (18c), first axial feed screw nut (19a), second axial feed screw nut (19b), 3rd axial feed screw nut (19c), first centering machine (20a), second centering machine (20b), 3rd centering machine (20c), first axial rolling guide rail (21a), second axial rolling guide rail (21b), 3rd axial rolling guide rail (21c), first axial ball-screw (22a), second axial ball-screw (22b), 3rd axial ball-screw (22c), first axial servomotor (23a), second axial servomotor (23b) and the 3rd axial servomotor (23c) composition, 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) is connected 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) are connected with described display by data line, described radial ball-screw (3) by bearing block support on described radial support (8), 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 described first axial support (15a), the second axial support (15b) and the 3rd axial support (15c), one end of described radial ball-screw (3) is connected with described radial servo motor (1) by shaft coupling, and one end of described first axial ball-screw (22a), the second axial ball-screw (22b) and the 3rd axial ball-screw (22c) is connected with described first axial servomotor (23a), the second axial servomotor (23b) and the 3rd axial servomotor (23c) respectively by shaft coupling, described radial working plate (6) is connected with described radial feed screw nut (5) by screw, and described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) are connected with described first axial feed screw nut (19a), the second axial feed screw nut (19b) and the 3rd axial feed screw nut (19c) respectively by screw, described radial working plate (6) is connected with the guide rail slide block on described radial rolling guide rail (4), and described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) are connected with the guide rail slide block on described first axial rolling guide rail (21a), the second axial rolling guide rail (21b), the 3rd axial rolling guide rail (21c) respectively, described radial servo electric pushrod (7) is connected with described radial working plate (6) by side flange, the front end of described radial servo electric pushrod (7) is furnished with force snesor, and described force snesor is connected with the U-type groove on described jaw (9) by screw rod and set nut, bearing pin on described jaw (9) is connected with the mounting hole on pivoting support outer ring (11) to be measured, for completing the radial push-and-pull of pivoting support, described first servo-electric push rod (16a), the second servo-electric push rod (16b) and the 3rd servo-electric push rod (16c) are connected with 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 top layout force sensor of described 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) is connected with controller, described first centering machine (20a), the second centering machine (20b) and the 3rd centering machine (20c) are connected with described first axial working plate (18a), the second axial working plate (18b) and the 3rd axial working plate (18c) respectively by screw, described testing stand (13) is uniformly distributed along the circumference 6, for completing support and the clamping work of pivoting support to be measured, described radial support (8), the first axial support (15a), the second axial support (15b), the 3rd axial support (15c) are connected with described pedestal (14) respectively by screw.
2. pick-up unit according to claim 1, is characterized in that described jaw (9) adopts the quick change baffle plate with U-type groove structure.
3. pick-up unit according to claim 1, is characterized in that described radial ball-screw (3) is provided with latch mechanism (2).
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN201210489591.4A CN102997885B (en) | 2012-11-27 | 2012-11-27 | Gap detection device of large slewing bearing |
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| CN102997885A CN102997885A (en) | 2013-03-27 |
| CN102997885B true CN102997885B (en) | 2015-02-25 |
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| 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 |
| CN106363046B (en) * | 2016-12-02 | 2018-03-02 | 安徽工业大学 | A kind of pivoting support deviation from circular from automatic shaping machine |
| 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 |
| CN110530320B (en) * | 2019-08-15 | 2022-04-12 | 成都中车四方轨道车辆有限公司 | Bearing radial and axial clearance measuring device |
| 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 |
| CN112197733B (en) * | 2020-10-09 | 2022-07-08 | 上海大众动力总成有限公司 | Automatic measuring instrument for valve swinging clearance |
| 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 |
| CN114234884B (en) * | 2021-11-22 | 2024-08-27 | 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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