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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
central axis
square
slide
end cap
detection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310521297.1A
Other languages
Chinese (zh)
Other versions
CN104596402A (en
Inventor
汤霄炯
郑建国
吉志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Baosteel Industry Technological Service Co Ltd
Original Assignee
Shanghai Baosteel Industry Technological Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Baosteel Industry Technological Service Co Ltd filed Critical Shanghai Baosteel Industry Technological Service Co Ltd
Priority to CN201310521297.1A priority Critical patent/CN104596402B/en
Publication of CN104596402A publication Critical patent/CN104596402A/en
Application granted granted Critical
Publication of CN104596402B publication Critical patent/CN104596402B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manufacture Of Motors, Generators (AREA)

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

Motor stator end cap seam allowance and stator core axiality detection device
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.
CN201310521297.1A 2013-10-30 2013-10-30 Motor stator end cap seam allowance and stator core axiality detection device Active CN104596402B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310521297.1A CN104596402B (en) 2013-10-30 2013-10-30 Motor stator end cap seam allowance and stator core axiality detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310521297.1A CN104596402B (en) 2013-10-30 2013-10-30 Motor stator end cap seam allowance and stator core axiality detection device

Publications (2)

Publication Number Publication Date
CN104596402A CN104596402A (en) 2015-05-06
CN104596402B true CN104596402B (en) 2019-01-04

Family

ID=53122348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310521297.1A Active CN104596402B (en) 2013-10-30 2013-10-30 Motor stator end cap seam allowance and stator core axiality detection device

Country Status (1)

Country Link
CN (1) CN104596402B (en)

Families Citing this family (10)

* 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
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
CN106643412B (en) * 2017-01-10 2022-06-14 福建永强力加动力设备有限公司 Small generator stator core inspection 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
CN108871227B (en) * 2018-09-07 2024-05-28 北方爆破科技有限公司 Handheld blast hole depth measuring device
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
CN111168632B (en) * 2020-02-25 2022-08-26 安阳市质量技术监督检验测试中心 Large-scale part detection platform
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
CN114199099B (en) * 2021-12-28 2024-04-19 安徽华创新材料股份有限公司 Detection substitution shaft of cathode roller of electrolytic copper foil machine and measurement method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
电机定子止口与铁心内孔同轴度的测量方法;朱宏;《中小型电机》;19831231(第4期);第29页
电机定子铁心圆跳动检测工具;杨守义;《中小型电机》;19911231;第32-33页

Also Published As

Publication number Publication date
CN104596402A (en) 2015-05-06

Similar Documents

Publication Publication Date Title
CN104596402B (en) Motor stator end cap seam allowance and stator core axiality detection device
CN207263061U (en) A kind of detection fixture of axial workpiece circle bounce
CN207501861U (en) A kind of bearing collar path circumference multi-parameter measurer
CN106123749B (en) A kind of simple multifunctional circularity detection device
CN205228343U (en) But in simultaneous measurement bearing / instrument of outer raceway lasso size and angle
CN205679214U (en) A kind of bearing outside diameter detector
CN109061467A (en) A kind of back EMF coefficient of synchro measure motor and the device of cogging torque
CN205228353U (en) Outer lane roundness detection device in bearing
CN210464336U (en) Angle adjusting workbench for measuring angle of flange of bearing inner ring
CN207439363U (en) Piston face cylindricity detection device
CN115235402A (en) High-precision detection machine
KR200470510Y1 (en) Shaft tester
CN203141227U (en) Ultra-precise air-floatation adjusting rotary table
CN203824458U (en) Apparatus for detecting the radial runout of bearing inner race
CN109764811A (en) Tool dimension detection machine
CN106066161A (en) A kind of roller profile of tooth detector
CN203443492U (en) Crankshaft end surface beat detection device
CN205373616U (en) Bent axle is eccentric apart from examining utensil
CN207113784U (en) A kind of bearing axial clearance detector
CN207570428U (en) Suitable for the end face run-out cubing of axial workpiece
CN213543454U (en) Cylindrical part deflection detection device
CN216559509U (en) Rotor correcting device
CN210154542U (en) Motor shaft assembly calibration equipment
CN208872238U (en) A kind of precise detection device of CNC milling machine table plane degree
CN208026188U (en) Radial internal clearance measuring apparatus and Bearing testing equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: No. 3520 Tongji Road, Baoshan District, Shanghai, 201900

Patentee after: Baowu equipment Intelligent Technology Co., Ltd

Address before: 201900, 335, Pu Pu Road, Shanghai, Baoshan District

Patentee before: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd.

CP03 Change of name, title or address