CN104596402B - Motor stator end cap seam allowance and stator core axiality detection device - Google Patents
Motor stator end cap seam allowance and stator core axiality detection device Download PDFInfo
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- CN104596402B CN104596402B CN201310521297.1A CN201310521297A CN104596402B CN 104596402 B CN104596402 B CN 104596402B CN 201310521297 A CN201310521297 A CN 201310521297A CN 104596402 B CN104596402 B CN 104596402B
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Abstract
The invention discloses a kind of motor stator end cap seam allowances and stator core axiality detection device, i.e. the present apparatus is constituted positioning framework by two back-shaped framves and two secondary two-way slide calliper rule brackets and is adjusted and lock in the horizontal direction, two intermediate bases and two guide pads are located in two back-shaped framves, guide pad vertically slides and lockable, square central axis is set to two guide pads and rotatable by two axially position square sets and two angular contact ball bearings, slide-bar seat is set on square central axis and movement, and telescopic rod is vertical on slide-bar seat and top is equipped with dial gauge.This detection device overcomes the defect of traditional detection mode, can quickly, facilitate and implement concentricity detection, improve detection accuracy, and there is the wider scope of application, ensure that motor normal reliable is run, reduce motor operation energy consumption.
Description
Technical field
The present invention relates to a kind of motor stator end cap seam allowances and stator core axiality detection device.
Background technique
It is more in metallurgy industry at present to have used all kinds of bearing pedestal motors, and such motor stator core is electricity
One of important feature of machine, the quality of quality directly affect the superiority and inferiority of overall performance, the inner circle after stator core pressing with
The concentricity of stator cage end cap seam allowance is one of the important indicator of motor operation quality again.The position precision of stator end cap seam allowance
It determines the installation accuracy of end cap, while also determining the position precision of end cap upper rotor part bearing block, this is just directly influenced
The uniformity coefficient of the opposite air gap of rotor and stator core, and air gap is uniformly the weight measured machinery check and repair and remanufacture quality
Index is wanted, for AC induction motor, small air gap unshapeliness will cause motor operating current obviously to rise
Height also implies that the raising of energy consumption in the case where equally effective output power, so as to cause the decline of energy consumption of electrical machinery efficiency, causes
The wasting of resources, operating cost improve.Therefore must machinery check and repair and during remanufacture in end cap seam allowance and stator core
Round concentricity, which is done, accurately to be detected and controlled, however at present still without such dedicated detection device, to concentricity tradition
Detection mode method be to be detected after being calibrated using lathe (such as horizontal boring machine), which is not only by lathe precision itself
Be affected, especially when with horizontal boring machine detection, working arm after elongation due to the limitation of rigidity, cause distal end with
The levelness of proximal end differs greatly, and leads to biggish accumulated error, can not really reflect motor stator end cap seam allowance and stator iron
The concentricity situation of core.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of motor stator end cap seam allowances and stator core concentricity to examine
Survey device, this detection device overcomes the defect of traditional detection mode, can quickly, facilitate and implement concentricity detection, improve inspection
Precision is surveyed, and there is the wider scope of application, ensure that motor normal reliable is run, reduce motor operation energy consumption.
In order to solve the above technical problems, motor stator end cap seam allowance of the present invention includes with stator core axiality detection device
Two back-shaped framves, two intermediate bases, two guide pads, two angular contact ball bearings, two axially position square sets, square centrals
Axis, two secondary two-way slide calliper rule brackets, slide-bar seat, telescopic rod and dial gauge, described two back-shaped frame parallel interval arrangements, described two is secondary
Two-way slide calliper rule bracket difference horizontal center is set to described two back-shaped frame two sides, and the two-way slide calliper rule bracket is in the back-shaped frame
Segmentum laterale, which is provided in elongated slot and elongated slot, is equipped with fixing bolt, and the fixing bolt is equipped with casing, the two-way slide calliper rule bracket
Both ends are respectively equipped with lateral lock-screw, and described two intermediate bases are located in described two back-shaped framves, the two-way card
Both ends of the ruler bracket in the back-shaped frame connect the two sides of the intermediate base, and described two guide pads are respectively arranged on described two
It slides in the middle part of a intermediate base and vertically, the top and bottom of described two guide pads are respectively equipped with guide pad Vertical Square
To the adjusting screw and lock-screw of sliding, described two angular contact ball bearings and two axially position square sets are sequentially arranged in respectively
In the central through hole of described two guide pads, the axially position square set is equipped with axial locking bolt, the square central axis
Both ends are set in described two axially position square sets and by two angular contact ball bearing rotations, and the slide-bar seat is set to the side
It is moved on shape central axis and along the square central axis, the telescopic rod is vertical on the slide-bar seat, and the dial gauge is set
In the telescopic rod top end.
Further, above-mentioned slide-bar seat includes top plate and bottom plate, idler wheel, contact roller, compresses wheel support, rotary joint axis and tune
Save screw, the top plate and bottom plate is located at the top and bottom of the square central axis and quadrangle is bolted,
The idler wheel is located in by wheel on the top plate and bottom plate and against the top and bottom of the square central axis, the pressure
Bearing up pulley bracket side is articulated with the connection bolt of the top plate and bottom plate, and it is another that the rotary joint is located in the compression wheel support
Side and another connection bolt that the top plate and bottom plate are connected by the adjusting screw, the contact roller are set by wheel shaft
In the compression wheel support and against the two sides of the square central axis.
Further, above-mentioned square central axis bottom surface is equipped at intervals with several pits, and the bottom plate of the slide-bar seat is equipped with swivel nut, institute
It states and is successively arranged ball and spring in swivel nut, hold-down bolt is screwed into the swivel nut and holds out against the spring, the ball is located at
In a certain pit of square central axis bottom surface.
Further, above-mentioned telescopic rod is by adjusting screw locking.
Further, on the secondary two-way slide calliper rule bracket of above-mentioned square central axis, two intermediate bases, two guide pads and two respectively
Equipped with scale, described two intermediate bases are corresponding with the graduation position of two guide pads.
Since motor stator end cap seam allowance of the present invention and stator core axiality detection device use above-mentioned technical proposal,
I.e. the present apparatus is constituted positioning framework by two back-shaped framves and two secondary two-way slide calliper rule brackets and is adjusted and lock, two in the horizontal direction
Intermediate base and two guide pads are located in two back-shaped framves, and guide pad vertically slides and lockable, square central axis
Two guide pads and rotatable are set to by two axially position square sets and two angular contact ball bearings, slide-bar seat is set in rectangular
In mandrel and mobile, telescopic rod is vertical on slide-bar seat and top is equipped with dial gauge.This detection device overcomes traditional detection
The defect of mode, can quickly, facilitate and implement concentricity detection, improve detection accuracy, and there is the wider scope of application, guarantee
The operation of motor normal reliable, reduces motor operation energy consumption.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is motor stator end cap seam allowance of the present invention and stator core axiality detection device structural schematic diagram;
Fig. 2 is the enlarged drawing in the portion A in Fig. 1;
Fig. 3 is the schematic diagram of slide-bar seat bottom plate swivel nut and square central axis bottom surface pit in the present apparatus.
Fig. 4 is the schematic diagram that the present apparatus carries out concentricity detection.
Specific embodiment
As shown in Figure 1, motor stator end cap seam allowance of the present invention includes two back-shaped with stator core axiality detection device
1, two, frame intermediate base 2, two guide pad 3, two angular contact ball bearing 4, two axially position square set 5, square central axis
6, two secondary two-way slide calliper rule brackets 7, slide-bar seat 8, telescopic rod 9 and dial gauge 10, described two back-shaped 1 parallel interval of frame arrangements, institute
It states two secondary two-way slide calliper rule brackets 7 and distinguishes horizontal center set on described two back-shaped 1 two sides of frame, the two-way slide calliper rule bracket 7 is in institute
The segmentum laterale for stating back-shaped frame 1, which is provided in elongated slot 71 and elongated slot 71, is equipped with fixing bolt 72, and the fixing bolt 72 is equipped with set
Pipe 73, two-way 7 both ends of slide calliper rule bracket are respectively equipped with lateral lock-screw 74, and described two intermediate bases 2 are located at institute
It states in two back-shaped framves 1, both ends of the two-way slide calliper rule bracket 7 in the back-shaped frame 1 connect the two of the intermediate base 2
Side, described two guide pads 3 are respectively arranged on described two 2 middle parts of intermediate base and vertically slide, described two guiding
The top and bottom of block 3 are respectively equipped with the adjusting screw 31 and lock-screw 32 of the sliding of 3 vertical direction of guide pad, described two angles
Contact ball bearing 4 and two axially position square sets 5 are sequentially arranged in respectively in the central through hole of described two guide pads 3, the axis
It is equipped with axial locking bolt 51 to positioning square set 5,6 both ends of square central axis are set to described two axially position square sets 5
It is interior and rotated by two angular contact ball bearings 4, the slide-bar seat 8 be set on the square central axis 6 and along it is described it is rectangular in
Mandrel 6 is mobile, and the telescopic rod 9 is vertical on the slide-bar seat 8, and the dial gauge 10 is set to 9 top of telescopic rod.
As shown in Fig. 2, further, above-mentioned slide-bar seat includes top plate 81, bottom plate 82, idler wheel 83, contact roller 84, contact roller branch
Frame 85, rotary joint axis 86 and adjusting screw 87, the top plate 81 and bottom plate 82 are located at the top surface of the square central axis 6
With bottom surface and quadrangle is connected by bolt 88, and the idler wheel 83 is located on the top plate 81 and bottom plate 82 and is supported by wheel
By the top and bottom of the square central axis 6,85 side of wheel support that compresses is articulated with the top plate 81 and bottom plate 82
Bolt is connected, the rotary joint axis 86 is set to 85 other side of compression wheel support and connects by the adjusting screw 87
Another connection bolt of the top plate 81 and bottom plate 82, the contact roller 84 by wheel be located in the compression wheel support 85 and
Against the two sides of the square central axis 6.Slide-bar seat is held tightly by idler wheel and contact roller in square central axis circumferential surface, contact roller
Bracket is by rotary joint axis and adjusts screw and can carry out the adjustment of contact roller pressure, so that entire slide-bar seat is in rectangular
Achieve the purpose that zero windage when mandrel is mobile and when the rotation of square central axis, dial gauge measurement, to improve concentricity detection
Precision.
As shown in figure 3, further, above-mentioned 6 bottom surface of square central axis is equipped at intervals with several pits 61, the bottom of the slide-bar seat
Plate 82 is equipped with swivel nut 89, is successively arranged ball 90 and spring 92 in the swivel nut 89, is screwed into hold-down bolt 93 in the swivel nut 89
And the spring 92 is held out against, the ball 90 is located in a certain pit of 6 bottom surface of square central axis.Ball and pit cooperate
Can accurate, position of the reliable location slide-bar seat on square central axis, the axially position of slide-bar seat is realized, to cooperate dial gauge pair
The measurement of stator end cap seam allowance inner ring and stator core inner ring.
As shown in Figure 1, further, above-mentioned telescopic rod 9 is locked by adjusting screw 91.Telescopic rod is convenient for various sizes
Motor stator end cap seam allowance and stator core concentricity detect, and according to different-diameter adjustable retractable pole length, improve the present apparatus
Application range.
Further, on 6, two, the above-mentioned square central axis guide pad 3 of intermediate base 1, two and two secondary two-way slide calliper rule brackets 7
It is respectively equipped with scale 62,21,33,75, described two intermediate bases 1 are corresponding with the scale 21 of two guide pads 3,33 positions.It carves
The setting of degree, in adjustment both horizontally and vertically, can quickly seek obtaining square central axis and seam allowance circular hole convenient for component in the present apparatus
The coincidence at center improves the efficiency of present apparatus detection operation.
As shown in figure 4, two centers of circle that the present apparatus utilizes motor stator casing 11 front and back ends, two seam allowance circular holes 12 to determine,
Straight line is constituted by the two centre points, this straight line is exactly the coaxial straight line of benchmark of entire motor stator, with the axis
As benchmark, examined and determine come the concentricity situation to stator core 13.Therefore the circle of front and back stator end cap seam allowance circular hole first
The heart determines the vertical adjusting of Level tune and two guide pads according to two secondary two-way slide calliper rule brackets 7, and rotation square central axis 6 makes
Dial gauge 10 is found square central axis 6 in 12 inner wall of seam allowance circular hole and is overlapped with 12 center of seam allowance circular hole, i.e. square central axis 6 and base
Fiducial axis line is overlapped;Then after the back-shaped frame 1 in front and back end is fixed, mobile slide-bar seat makes dial gauge 10 move to 13 inner ring of stator core,
Same rotation square central axis 6 keeps dial gauge 10 mobile in 13 inner ring of stator core, and 13 axis of stator core and base can be obtained
The deviation of fiducial axis line, to realize that concentricity detects.
Two-way slide calliper rule bracket 7 is arranged in back-shaped 1 two sides of frame in the present apparatus, and the fixation of two-way slide calliper rule bracket 7 is to utilize original motor
The electric motor end cap fixing threaded hole of 11 seam allowance end of casing is positioned, and the fixing bolt 72 in two-way 7 elongated slot of slide calliper rule bracket is passed through
It carries out tightening fixation with end cap screw hole, the casing 73 on fixing bolt 72 axially gets entire back-shaped frame 1 discard outward, to guarantee hundred
The minimum axial direction distance for dividing table 10 that can carry out the measurement of 12 center of circle of seam allowance circular hole, the transverse direction for passing through two-way 7 both ends of slide calliper rule bracket are locked
Tight screw 74 realizes the lateral locking positioning of back-shaped frame 1, and realizes carry out horizontal direction coarse adjustment, front and back end seam allowance circular hole simultaneously
The center of circle determination be adjusted according to two-way slide calliper rule bracket 7 and 3 structure of guide pad, can be real using horizontal direction and vertical direction
The movement of two-way slide calliper rule bracket 7 and guide pad 3 that existing screw thread is adjusted and square central axis 6 drive dial gauge 10 in seam allowance circle
Rotation in hole is found square central axis 6 with this and is overlapped with seam allowance center of circular hole, and horizontal direction micro-adjustment is to utilize two-way slide calliper rule
Horizontal direction micrometer adjusting screw 76 in bracket 7 realizes that the adjustment in the horizontal direction of back-shaped frame 1, vertical direction micro-adjustment are to utilize to lead
It is realized to the adjusting screw 31 and lock-screw 32 of block 3;
Two angular contact ball bearings at square central axis both ends are arranged by bearing (ball) cover and both face towards motor in the present apparatus
Installation, the two carry out axial pretightening adjusting by two axially position square sets and axial locking bolt, realize face-to-face angular contact
The preload of ball bearing realizes that zero windage connects to eliminate the end-play of square central axis between slide-bar seat and square central axis
It connects, to guarantee the detection accuracy of the present apparatus;By dial gauge respectively in stator end cap seam allowance inner ring and stator core inner ring
The mobile purpose for realizing concentricity detection.
Claims (5)
1. a kind of motor stator end cap seam allowance and stator core axiality detection device, it is characterised in that: the present apparatus includes two
Back-shaped frame, two intermediate bases, two guide pads, two angular contact ball bearings, two axially position square sets, square central axis,
Two secondary two-way slide calliper rule brackets, slide-bar seat, telescopic rod and dial gauge, described two back-shaped frame parallel interval arrangements, described two is secondary double
Described two back-shaped frame two sides are set to slide calliper rule bracket difference horizontal center, the two-way slide calliper rule bracket is in the outer of the back-shaped frame
Side section, which is provided in elongated slot and elongated slot, is equipped with fixing bolt, and the fixing bolt is equipped with casing, the two-way slide calliper rule bracket two
End is respectively equipped with lateral lock-screw, and described two intermediate bases are located in described two back-shaped framves, the two-way slide calliper rule
Both ends of the bracket in the back-shaped frame connect the two sides of the intermediate base, and described two guide pads are respectively arranged on described two
It slides in the middle part of intermediate base and vertically, the top and bottom of described two guide pads are respectively equipped with guide pad vertical direction
The adjusting screw and lock-screw of sliding, described two angular contact ball bearings and two axially position square sets are sequentially arranged in institute respectively
In the central through hole for stating two guide pads, the axially position square set is equipped with axial locking bolt, the square central axis two
End is set in described two axially position square sets and by two angular contact ball bearing rotation, and the slide-bar seat is set to described rectangular
It is moved on central axis and along the square central axis, the telescopic rod is vertical on the slide-bar seat, and the dial gauge is set to
The telescopic rod top end.
2. motor stator end cap seam allowance according to claim 1 and stator core axiality detection device, it is characterised in that:
The slide-bar seat includes top plate and bottom plate, idler wheel, contact roller, compresses wheel support, rotary joint axis and adjust screw, the top plate
The top and bottom of the square central axis are located at bottom plate and quadrangle is bolted, and the idler wheel passes through wheel shaft
On the top plate and bottom plate and against the top and bottom of the square central axis, the compression wheel support side is hinged
In the connection bolt of the top plate and bottom plate, the rotary joint is located in the compression wheel support other side and by described
Another connection bolt that screw connects the top plate and bottom plate is adjusted, the contact roller is located in the compression wheel support by wheel
And against the two sides of the square central axis.
3. motor stator end cap seam allowance according to claim 2 and stator core axiality detection device, it is characterised in that:
Square central axis bottom surface is equipped at intervals with several pits, and the bottom plate of the slide-bar seat is equipped with swivel nut, successively sets in the swivel nut
There are ball and spring, hold-down bolt is screwed into the swivel nut and holds out against the spring, the ball is located at the square central axis
In a certain pit of bottom surface.
4. motor stator end cap seam allowance according to claim 1 or 2 and stator core axiality detection device, feature exist
In: the telescopic rod is by adjusting screw locking.
5. motor stator end cap seam allowance according to claim 1 or 2 and stator core axiality detection device, feature exist
In: it is respectively equipped with scale on the secondary two-way slide calliper rule bracket of the square central axis, two intermediate bases, two guide pads and two, institute
It is corresponding with the graduation position of two guide pads to state two intermediate bases.
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CN201310521297.1A CN104596402B (en) | 2013-10-30 | 2013-10-30 | Motor stator end cap seam allowance and stator core axiality detection device |
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CN201310521297.1A CN104596402B (en) | 2013-10-30 | 2013-10-30 | Motor stator end cap seam allowance and stator core axiality detection device |
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CN104596402B true CN104596402B (en) | 2019-01-04 |
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