CN104596402A - Motor stator end cover spigot and stator core coaxiality detection device - Google Patents

Motor stator end cover spigot and stator core coaxiality detection device Download PDF

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Publication number
CN104596402A
CN104596402A CN201310521297.1A CN201310521297A CN104596402A CN 104596402 A CN104596402 A CN 104596402A CN 201310521297 A CN201310521297 A CN 201310521297A CN 104596402 A CN104596402 A CN 104596402A
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China
Prior art keywords
central axle
detection device
square central
square
stator core
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CN201310521297.1A
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Chinese (zh)
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CN104596402B (en
Inventor
汤霄炯
郑建国
吉志勇
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Shanghai Baosteel Industry Technological Service Co Ltd
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Shanghai Baosteel Industry Technological Service Co Ltd
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Abstract

The invention discloses a motor stator end cover spigot and stator core coaxiality detection device. Two frames shaped like the Chinese character 'hui' and two pairs of two-way caliper brackets form a positioning framework, and the positioning framework can be adjusted and locked in the horizontal direction. Two middle bases and two guide blocks are disposed in the two frames shaped like the Chinese character 'hui'. The guide blocks slide along the vertical direction, and can be locked. A square center shaft is arranged on the two guide blocks through two axial positioning square sleeves and two angular contact ball bearings, and can rotate. A sliding shaft seat is arranged on the square center shaft, and can move. A telescopic rod is vertically arranged on the sliding shaft seat, and is provided with a dial indicator at the top end. The detection device overcomes the defects of the traditional detection method, and can be used for performing coaxiality detection quickly and conveniently. The detection accuracy is improved. The detection device has a wide range of application. Normal and reliable operation of motors is ensured, and the energy consumption for motor running is reduced.

Description

Motor stator end cap seam and stator core axiality detection device
Technical field
The present invention relates to a kind of motor stator end cap seam and stator core axiality detection device.
Background technology
At present morely in metallurgy industry employ all kinds of bearing pedestal motor, and such motor stator core is one of important feature of motor, the quality of its quality directly affects the quality of overall performance, and the right alignment of the inner circle after stator core pressing and stator cage end cap seam is again one of important indicator of motor running quality.The positional precision of stator end cap seam determines the installation accuracy of end cap, also determine the positional precision of end cap upper rotor part bearing seat simultaneously, this has just directly had influence on the degree of uniformity of rotor and the relative air gap of stator core, and air gap is evenly the important indicator weighing machinery check and repair and workmanship again, particularly for AC induction motor, small air gap unshapeliness, motor operating current will be caused obviously to raise, also the raising of energy consumption when equal effective output is meaned, thus cause energy consumption of electrical machinery efficiency to decline, cause the wasting of resources, operating cost improves.Therefore accurate detection and control must be done to the right alignment of end cap seam and stator core inner circle at machinery check and repair and again in manufacture process, but still there is no such special pick-up unit at present, the detection mode method traditional to this right alignment detects after utilizing lathe (as horizontal boring machine) to calibrate, which is not only larger by the Accuracy of lathe own, particularly when using horizontal boring machine to detect, its working arm after elongation due to the limitation of rigidity, the levelness of far-end and near-end is caused to differ greatly, cause larger cumulative errors, truly cannot reflect the right alignment situation of motor stator end cap seam and stator core.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of motor stator end cap seam and stator core axiality detection device, this pick-up unit overcomes the defect of traditional detection mode, fast, conveniently can implement right alignment to detect, improve accuracy of detection, and there is the wider scope of application, ensure that motor normal reliable is run, reduce motor operation energy consumption.
For solving the problems of the technologies described above, motor stator end cap seam of the present invention and stator core axiality detection device comprise two back-shaped framves, two intermediate bases, two orienting lugs, two angular contact ball bearings, two axial location square sets, square central axle, two secondary two-way slide calliper rule supports, slide-bar seat, expansion link and dial gauge, described two back-shaped frame parallel interval are arranged, described two back-shaped frame both sides are located at by described two secondary two-way slide calliper rule supports respectively horizontal center, described two-way slide calliper rule support has elongated slot at the segmentum laterale of described back-shaped frame and is provided with set bolt in elongated slot, described set bolt is provided with sleeve pipe, described two-way slide calliper rule support two ends are respectively equipped with horizontal lock-screw, described two intermediate bases lay respectively in described two back-shaped framves, the described two ends of two-way slide calliper rule support in described back-shaped frame connect the both sides of described intermediate base, described two orienting lugs are located at respectively in the middle part of described two intermediate bases and are also vertically slided, the end face of described two orienting lugs and bottom surface are respectively equipped with set screw and the lock-screw of the slip of orienting lug vertical direction, described two angular contact ball bearings and two axial location square sets are located in the central through hole of described two orienting lugs respectively successively, described axial location square set is provided with axial locking bolt, described square central axle two ends to be located in described two axial location square sets and to be rotated by two angular contact ball bearings, described slide-bar seat to be located on described square central axle and to be moved along described square central axle, described expansion link is vertical on described slide-bar seat, described expansion link top is located at by described dial gauge.
Further, above-mentioned slide-bar seat comprises top board, base plate, roller, contact roller, contact roller support, rotary joint axle and set screw, described top board and base plate lay respectively at the end face of described square central axle and bottom surface and corner is bolted, described roller to be located on described top board and base plate by wheel and against the end face of described square central axle and bottom surface, described contact roller support side is articulated with the coupling bolt of described top board and base plate, described rotary joint is located in described contact roller support opposite side and is connected another coupling bolt of described top board and base plate by described set screw, described contact roller is located in described contact roller support by wheel and against the two sides of described square central axle.
Further, above-mentioned square central axle bottom surface is interval with some pits, and the base plate of described slide-bar seat is provided with swivel nut, is provided with ball and spring successively in described swivel nut, be screwed into hold-down bolt in described swivel nut and hold out against described spring, described ball is positioned at a certain pit of described square central axle bottom surface.
Further, above-mentioned expansion link is locked by set screw.
Further, above-mentioned square central axle, two intermediate bases, two orienting lugs and two secondary two-way slide calliper rule supports are respectively equipped with scale, and described two intermediate bases are corresponding with the graduation position of two orienting lugs.
Because motor stator end cap seam of the present invention and stator core axiality detection device have employed technique scheme, namely this device is propped up by two back-shaped framves and two secondary two-way slide calliper rule and is configured to positioning framework and regulates in the horizontal direction and lock, two intermediate bases and two orienting lugs are positioned at two back-shaped framves, orienting lug vertically slides and lockable, square central axle is located at two orienting lugs by two axial location square sets and two angular contact ball bearings and rotatable, slide-bar seat is located on square central axle also mobile, expansion link is vertical on slide-bar seat and top and is provided with dial gauge.This pick-up unit overcomes the defect of traditional detection mode, fast, conveniently can implement right alignment and detect, improve accuracy of detection, and have the wider scope of application, ensure that motor normal reliable is run, reduce motor operation energy consumption.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is motor stator end cap seam of the present invention and stator core axiality detection device structural representation;
Fig. 2 is the enlarged drawing in A portion in Fig. 1;
Fig. 3 is the schematic diagram of slide-bar seat base plate swivel nut and square central axle bottom surface pit in this device.
Fig. 4 is the schematic diagram that this device carries out right alignment detection.
Embodiment
As shown in Figure 1, motor stator end cap seam of the present invention and stator core axiality detection device comprise two back-shaped framves 1, two intermediate bases 2, two orienting lugs 3, two angular contact ball bearings 4, two axial location square sets 5, square central axle 6, two secondary two-way slide calliper rule supports 7, slide-bar seat 8, expansion link 9 and dial gauge 10, described two back-shaped frame 1 parallel interval are arranged, described two back-shaped frame 1 both sides are located at by described two secondary two-way slide calliper rule supports 7 respectively horizontal center, described two-way slide calliper rule support 7 has elongated slot 71 at the segmentum laterale of described back-shaped frame 1 and is provided with set bolt 72 in elongated slot 71, described set bolt 72 is provided with sleeve pipe 73, described two-way slide calliper rule support 7 two ends are respectively equipped with horizontal lock-screw 74, described two intermediate bases 2 lay respectively in described two back-shaped framves 1, the two ends of described two-way slide calliper rule support 7 in described back-shaped frame 1 connect the both sides of described intermediate base 2, described two orienting lugs 3 are located at respectively in the middle part of described two intermediate bases 2 and are also vertically slided, the end face of described two orienting lugs 3 and bottom surface are respectively equipped with set screw 31 and the lock-screw 32 of the slip of orienting lug 3 vertical direction, described two angular contact ball bearings 4 and two axial location square sets 5 are located in the central through hole of described two orienting lugs 3 respectively successively, described axial location square set 5 is provided with axial locking bolt 51, described square central axle 6 two ends to be located in described two axial location square sets 5 and to be rotated by two angular contact ball bearings 4, described slide-bar seat 8 to be located on described square central axle 6 and to be moved along described square central axle 6, described expansion link 9 is vertical on described slide-bar seat 8, described expansion link 9 top is located at by described dial gauge 10.
As shown in Figure 2, further, above-mentioned slide-bar seat comprises top board 81, base plate 82, roller 83, contact roller 84, contact roller support 85, rotary joint axle 86 and set screw 87, the end face that described top board 81 and base plate 82 lay respectively at described square central axle 6 with bottom surface and corner be connected by bolt 88, described roller 83 to be located on described top board 81 and base plate 82 by wheel and against the end face of described square central axle 6 and bottom surface, described contact roller support 85 side is articulated with the coupling bolt of described top board 81 and base plate 82, described rotary joint axle 86 is located at described contact roller support 85 opposite side and is connected another coupling bolt of described top board 81 and base plate 82 by described set screw 87, described contact roller 84 is located in described contact roller support 85 by wheel and against the two sides of described square central axle 6.Slide-bar seat is held tightly in square central axle side face by roller and contact roller, contact roller support can carry out the adjustment of contact roller pressure by rotary joint axle and set screw, thus make whole slide-bar seat when square central axle moves and square central axle rotates, dial gauge reaches the object of zero windage when measuring, to improve the precision that right alignment detects.
As shown in Figure 3, further, above-mentioned square central axle 6 bottom surface is interval with some pits 61, the base plate 82 of described slide-bar seat is provided with swivel nut 89, ball 90 and spring 92 is provided with successively in described swivel nut 89, be screwed into hold-down bolt 93 in described swivel nut 89 and hold out against described spring 92, described ball 90 is positioned at a certain pit of described square central axle 6 bottom surface.Ball coordinates with pit can accurately, reliably locate the position of slide-bar seat on square central axle, realizes the axial location of slide-bar seat, to coordinate dial gauge to the measurement of stator end cap seam inner ring and stator core inner ring.
As shown in Figure 1, further, above-mentioned expansion link 9 is locked by set screw 92.Expansion link is convenient to detect the motor stator end cap seam of various sizes and stator core right alignment, according to different-diameter adjustable retractable pole length, improves the range of application of this device.
Further, above-mentioned square central axle 6, two intermediate bases 1, two orienting lugs 3 and two secondary two-way slide calliper rule supports 7 are respectively equipped with scale 62,21,33,75, and described two intermediate bases 1 are corresponding with scale 21,33 position of two orienting lugs 3.The setting of scale to be convenient in this device parts in the adjustment in horizontal and vertical direction, can seek obtaining the overlapping of square central axle and seam center of circular hole fast, improve the efficiency that this device detects operation.
As shown in Figure 4, two centers of circle that this device utilizes two, motor stator casing 11 front and back end seam circular hole 12 to determine, straight line is formed by these two centre points, this straight line is exactly the coaxial straight line of benchmark of whole motor stator, using this axis as benchmark, the right alignment situation of stator core 13 is examined and determine.Therefore first the center of circle of front and back stator end cap seam circular hole is determined according to the two secondary Level tune of two-way slide calliper rule support 7 and the vertical adjusting of two orienting lugs, rotating square central axle 6 makes dial gauge 10 find square central axle 6 and seam circular hole 12 center superposition at seam circular hole 12 inwall, and namely square central axle 6 overlaps with datum axis; Subsequently after the back-shaped frame in front and back end 1 is fixing, mobile slide-bar seat makes dial gauge 10 move to stator core 13 inner ring, same rotation square central axle 6 makes dial gauge 10 move at stator core 13 inner ring, can obtain the deviation of stator core 13 axis and datum axis, thus realizes right alignment detection.
In this device, back-shaped frame 1 both sides arrange two-way slide calliper rule support 7, two-way slide calliper rule support 7 be fixedly utilize the electric motor end cap fixing threaded hole of original motor casing 11 seam end to position, undertaken tightening fixing by set bolt in two-way slide calliper rule support 7 elongated slot 72 and end cap screw, whole back-shaped frame 1 is axially got discard by sleeve pipe 73 on set bolt 72 outward, to ensure that dial gauge 10 can carry out the minimum axial direction distance of seam circular hole 12 center of circle measurement, the horizontal locking positioning of back-shaped frame 1 is realized by the horizontal lock-screw 74 at two-way slide calliper rule support 7 two ends, and realize carrying out horizontal direction coarse adjustment simultaneously, the center of circle of front and back end seam circular hole is determined to adjust according to two-way slide calliper rule support 7 and orienting lug 3 structure, adopt horizontal direction and vertical direction all can realize the two-way slide calliper rule support 7 of threaded adjusting and the movement of orienting lug 3, and square central axle 6 drives the rotation of dial gauge 10 in seam circular hole, find square central axle 6 with this to overlap with seam center of circular hole, horizontal direction inching utilizes the horizontal direction micrometer adjusting screw 76 in two-way slide calliper rule support 7 to realize the adjustment in the horizontal direction of back-shaped frame 1, vertical direction inching utilizes the set screw 31 of orienting lug 3 and lock-screw 32 to realize,
In this device, two angular contact ball bearings at square central axle two ends are arranged by bearing (ball) cover and all install towards motor, both carry out axial pretightening adjustment by two axial location square sets and axial locking bolt, realize the pretension of face-to-face angular contact ball bearing, thus eliminate the end-play of square central axle, realize zero windage between slide-bar seat with square central axle to be connected, thus ensure the accuracy of detection of this device; Realize in the movement of stator end cap seam inner ring and stator core inner ring the object that right alignment detects respectively by dial gauge.

Claims (5)

1. a motor stator end cap seam and stator core axiality detection device, it is characterized in that: this device comprises two back-shaped framves, two intermediate bases, two orienting lugs, two angular contact ball bearings, two axial location square sets, square central axle, two secondary two-way slide calliper rule supports, slide-bar seat, expansion link and dial gauge, described two back-shaped frame parallel interval are arranged, described two back-shaped frame both sides are located at by described two secondary two-way slide calliper rule supports respectively horizontal center, described two-way slide calliper rule support has elongated slot at the segmentum laterale of described back-shaped frame and is provided with set bolt in elongated slot, described set bolt is provided with sleeve pipe, described two-way slide calliper rule support two ends are respectively equipped with horizontal lock-screw, described two intermediate bases lay respectively in described two back-shaped framves, the described two ends of two-way slide calliper rule support in described back-shaped frame connect the both sides of described intermediate base, described two orienting lugs are located at respectively in the middle part of described two intermediate bases and are also vertically slided, the end face of described two orienting lugs and bottom surface are respectively equipped with set screw and the lock-screw of the slip of orienting lug vertical direction, described two angular contact ball bearings and two axial location square sets are located in the central through hole of described two orienting lugs respectively successively, described axial location square set is provided with axial locking bolt, described square central axle two ends to be located in described two axial location square sets and to be rotated by two angular contact ball bearings, described slide-bar seat to be located on described square central axle and to be moved along described square central axle, described expansion link is vertical on described slide-bar seat, described expansion link top is located at by described dial gauge.
2. motor stator end cap seam according to claim 1 and stator core axiality detection device, it is characterized in that: described slide-bar seat comprises top board, base plate, roller, contact roller, contact roller support, rotary joint axle and set screw, described top board and base plate lay respectively at the end face of described square central axle and bottom surface and corner is bolted, described roller to be located on described top board and base plate by wheel and against the end face of described square central axle and bottom surface, described contact roller support side is articulated with the coupling bolt of described top board and base plate, described rotary joint is located in described contact roller support opposite side and is connected another coupling bolt of described top board and base plate by described set screw, described contact roller is located in described contact roller support by wheel and against the two sides of described square central axle.
3. motor stator end cap seam according to claim 2 and stator core axiality detection device, it is characterized in that: described square central axle bottom surface is interval with some pits, the base plate of described slide-bar seat is provided with swivel nut, ball and spring is provided with successively in described swivel nut, be screwed into hold-down bolt in described swivel nut and hold out against described spring, described ball is positioned at a certain pit of described square central axle bottom surface.
4. motor stator end cap seam according to claim 1 and 2 and stator core axiality detection device, is characterized in that: described expansion link is locked by set screw.
5. motor stator end cap seam according to claim 1 and 2 and stator core axiality detection device, it is characterized in that: described square central axle, two intermediate bases, two orienting lugs and two secondary two-way slide calliper rule supports are respectively equipped with scale, and described two intermediate bases are corresponding with the graduation position of two orienting lugs.
CN201310521297.1A 2013-10-30 2013-10-30 Motor stator end cap seam allowance and stator core axiality detection device Active CN104596402B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930957A (en) * 2015-05-20 2015-09-23 安徽皖南电机股份有限公司 Detection tool for detecting coaxiality of motor housing
CN105170702A (en) * 2015-09-25 2015-12-23 宝钢特钢有限公司 Center measurement and adjustment method for steel pipe heat extruder
CN106643412A (en) * 2017-01-10 2017-05-10 福建永强力加动力设备有限公司 Verifying device for small-size generator stator core
CN106705806A (en) * 2017-01-19 2017-05-24 中国航发沈阳发动机研究所 Airplane hanging point position detection device
CN109238214A (en) * 2018-10-29 2019-01-18 安徽捷运矿山机械有限公司 A kind of beat measurement device of mining machinery wheel shaft
CN110487157A (en) * 2018-05-15 2019-11-22 西安泰富西玛电机有限公司 A kind of high-voltage motor square box machine base coaxality measuring mechanism
CN111168632A (en) * 2020-02-25 2020-05-19 安阳市质量技术监督检验测试中心 Large-scale part detection platform
CN114714152A (en) * 2021-12-20 2022-07-08 河南平高电气股份有限公司 Barrel inner wall cutting device and alignment method thereof

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US6519865B1 (en) * 2000-11-21 2003-02-18 Broco Tools, L.L.C. Flywheel housing alignment tool
CN201138187Y (en) * 2007-08-24 2008-10-22 江苏微特利电机制造有限公司 Two end hole position accuracy checker for motor shell cover
CN101551225A (en) * 2009-05-14 2009-10-07 无锡市中达电机有限公司 Measuring apparatus for measuring coaxiality of motor base
CN202432977U (en) * 2011-12-08 2012-09-12 上海齐达重型装备有限公司 Coaxiality detection tool

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930957B (en) * 2015-05-20 2019-05-10 安徽皖南电机股份有限公司 Electric machine casing concentricity detecting tool
CN104930957A (en) * 2015-05-20 2015-09-23 安徽皖南电机股份有限公司 Detection tool for detecting coaxiality of motor housing
CN105170702A (en) * 2015-09-25 2015-12-23 宝钢特钢有限公司 Center measurement and adjustment method for steel pipe heat extruder
CN105170702B (en) * 2015-09-25 2018-06-01 宝钢特钢有限公司 A kind of steel pipe heat extruder center measurement, method of adjustment
CN106643412A (en) * 2017-01-10 2017-05-10 福建永强力加动力设备有限公司 Verifying device for small-size generator stator core
CN106705806A (en) * 2017-01-19 2017-05-24 中国航发沈阳发动机研究所 Airplane hanging point position detection device
CN106705806B (en) * 2017-01-19 2019-12-20 中国航发沈阳发动机研究所 Device for detecting position of hanging point of airplane
CN110487157A (en) * 2018-05-15 2019-11-22 西安泰富西玛电机有限公司 A kind of high-voltage motor square box machine base coaxality measuring mechanism
CN109238214A (en) * 2018-10-29 2019-01-18 安徽捷运矿山机械有限公司 A kind of beat measurement device of mining machinery wheel shaft
CN109238214B (en) * 2018-10-29 2021-01-12 马鞍山市新桥工业设计有限公司 Deflection measuring device for wheel shaft of mining machinery
CN111168632A (en) * 2020-02-25 2020-05-19 安阳市质量技术监督检验测试中心 Large-scale part detection platform
CN114714152A (en) * 2021-12-20 2022-07-08 河南平高电气股份有限公司 Barrel inner wall cutting device and alignment method thereof
CN114714152B (en) * 2021-12-20 2023-11-21 河南平高电气股份有限公司 Barrel inner wall cutting device and alignment method thereof

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