CN104567586B - Shaft coupling center alignment device - Google Patents
Shaft coupling center alignment device Download PDFInfo
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- CN104567586B CN104567586B CN201410854389.6A CN201410854389A CN104567586B CN 104567586 B CN104567586 B CN 104567586B CN 201410854389 A CN201410854389 A CN 201410854389A CN 104567586 B CN104567586 B CN 104567586B
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Abstract
The present invention relates to field of measuring technique, disclose a kind of shaft coupling center alignment device, it includes firm banking, bullet, it is adjusted axially bar, radiai adjustment bar and dial gauge, described one end for being adjusted axially bar is connected with firm banking, its other end is connected with the center of radiai adjustment bar, the periphery of the firm banking is provided with the magnetic bases for adsorbing fixed motor shaft, bottom centre of the bullet located at the firm banking, the bullet is coaxially disposed with bar is adjusted axially, for the centre bore centering with motor shaft, the two ends of the radiai adjustment bar are separately installed with the dial gauge.The present invention devises bullet due to the bottom centre in firm banking, can be quickly found out centre bore and the centering of motor shaft, and be absorbed and fixed on motor shaft using magnetic bases so that install more accurately and quickly.Additionally, bullet is retractably installed in the bottom of firm banking, centering can be facilitated, and reduce difficulty of processing.
Description
Technical field
The present invention relates to field of measuring technique, more particularly to a kind of shaft coupling center alignment device.
Background technology
At present, still in the majority using conventional Magnetic gauge stand for the motor center centering with short axle, Magnetic gauge stand is used
Fixed in motor shaft, dial gauge is connected by cantilever with Magnetic gauge stand, the shortcoming for carrying out centering using Magnetic gauge stand is cantilever
Fall short of, span is limited, cantilever is typically formed using two section connecting rod links so that cantilever is easily deformed, for center centering, arm
Deformation more long is easier, and errors of centration is bigger.The installation and maintenance of motor shaft need, using multiple Magnetic gauge stands, to pacify one by one
Dress has asymmetric error and influences centering efficiency, and last mounting and adjusting gets up dial gauge inefficiency, in adjustment motor shaft
Reliability is poor during the heart.
The content of the invention
It is an object of the invention to provide a kind of shaft coupling center alignment device, to be quickly found out the centre bore of motor shaft and right
In.
To achieve these goals, the present invention provides a kind of shaft coupling center alignment device, and it includes firm banking, taper
Body, bar, radiai adjustment bar and dial gauge are adjusted axially, described one end for being adjusted axially bar is connected with firm banking, its other end
Center with radiai adjustment bar is connected, and the periphery of the firm banking is provided with the magnetic bases for adsorbing fixed motor shaft, institute
State bottom centre of the bullet located at the firm banking, the bullet is coaxially disposed with bar is adjusted axially, for motor
The centre bore centering of axle, the two ends of the radiai adjustment bar are separately installed with the dial gauge.
In above-mentioned shaft coupling center alignment device, the bullet is retractably installed at the bottom of the firm banking
Center, its tip can protrude the adsorption plane of the magnetic bases to the bullet in its natural state, when the bullet shrinks
Its tip can be reduced to or less than the adsorption plane of the magnetic bases.
In above-mentioned shaft coupling center alignment device, the bottom centre of the firm banking is provided with for counterbore, the cone
Body is telescopically installed in the counterbore, and its tip can protrude the magnetic bases to the bullet in its natural state
Adsorption plane, its tip can be reduced to or less than the adsorption plane of the magnetic bases when bullet shrinks.
In above-mentioned shaft coupling center alignment device, the counterbore is provided centrally with through hole, it is described be adjusted axially bar with
One end of firm banking connection is provided with the spring card slot communicated with the through hole, the groove of the aperture less than spring card slot of the through hole
Width, is provided with spring in the spring card slot, the bullet is connected by connecting pole with spring, one end and the cone of the connecting pole
Body is fixedly connected, and its other end is provided with the limited block in the aperture with diameter greater than the through hole, and the limited block stretches into elastic card
It is fixedly connected in groove and with spring.
In above-mentioned shaft coupling center alignment device, the adjustable length for being adjusted axially bar and radiai adjustment bar.
In above-mentioned shaft coupling center alignment device, the radiai adjustment bar is formed by many radial bars grafting.
In above-mentioned shaft coupling center alignment device, the radial bars are three, and respectively the first radial bars, second are radially
Bar and the 3rd radial bars, first radial bars include being used for and are adjusted axially the connecting portion that bar is connected, and respectively with it is described
The first radial direction Plug Division and the second radial direction Plug Division of the two ends connection of connecting portion；
Second radial bars are identical with the structure of the 3rd radial bars or differ, and second radial bars are inserted in described
On first radial direction Plug Division, the 3rd radial bars are inserted on the second radial direction Plug Division, second radial bars and
Dial gauge is respectively equipped with three radial bars.
In above-mentioned shaft coupling center alignment device, second radial bars be yi word pattern structure or L font structures, it is described
3rd radial bars are yi word pattern structure or L font structures.
In above-mentioned shaft coupling center alignment device, second radial bars are yi word pattern structure, the 3rd radial bars
It is L-type structure, one end of second radial bars is provided with the first radial direction inserting groove matched with the first radial direction Plug Division, and its is another
One end is axially arranged with the first dial gauge；One end of 3rd radial bars is provided with the second footpath matched with the second radial direction Plug Division
To inserting groove, its other end is provided with the second dial gauge and the 3rd dial gauge, wherein, the second dial gauge symmetrically sets with the first dial gauge
Put, the 3rd dial gauge is radially in the 3rd radial bars.
In above-mentioned shaft coupling center alignment device, set respectively on the first radial direction Plug Division and the second radial direction Plug Division
There is graduation mark.
A kind of shaft coupling center alignment device that above-mentioned technical proposal is provided, because the bottom centre in firm banking sets
Bullet is counted, centre bore and the centering of motor shaft can be quickly found out, and be absorbed and fixed on motor shaft using magnetic bases,
So that installing more accurately and quickly.
Further, bullet is retractably installed in the bottom of firm banking, can facilitate centering, and reduce difficult processing
Degree.
Further, using multiple radiai adjustment bars, can be according to the difference installed with maintenance, can be different with independent assortment
The radiai adjustment bar of structure, to realize different method for centering, can significantly improve the efficiency of center centering.
Alignment device of the invention is flexible, reliable, convenient disassembly, and small volume, is convenient for carrying, and being very suitable for popularization makes
With.
Brief description of the drawings
Fig. 1 is a kind of top view of shaft coupling center alignment device of the invention；
Fig. 2 is the front view of firm banking of the invention and magnetic bases；
Fig. 3 is the top view of bullet of the invention；
Fig. 4 is the top view of the first axial stem of the invention；
Fig. 5 is the left view of the second axial stem of the invention；
Fig. 6 is the top view of the first radial bars of the invention；
Fig. 7 is the top view of the second radial bars of the invention；
Fig. 8 is the top view of the 3rd radial bars of the invention.
Wherein, 1, firm banking；11st, counterbore；12nd, through hole；2nd, magnetic bases；3rd, bullet；4th, it is adjusted axially bar；41、
First axial stem；411st, first connecting portion；412nd, axial Plug Division；413rd, spring card slot；42nd, the second axial stem；421st, axially
Inserting groove；422nd, second connecting portion；5th, radiai adjustment bar；51st, the first radial bars；511st, the 3rd connecting portion；512nd, first radially
Plug Division；513rd, the second radial direction Plug Division；52nd, the second radial bars；521st, the first radial direction inserting groove；53rd, the 3rd radial bars；531、
Second radial direction inserting groove；61st, the first dial gauge；62nd, the second dial gauge；63rd, the 3rd dial gauge；7th, spring；8th, connecting pole；9th, limit
Position block；10th, bolt.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in figure 1, a kind of shaft coupling center alignment device of the preferred embodiment of the present invention, it includes firm banking 1, cone
Body 3, bar 4, radiai adjustment bar 5 and dial gauge are adjusted axially, the one end for being adjusted axially bar 4 is connected with firm banking 1, axially adjusted
The other end of pole 4 is connected with the center of radiai adjustment bar 5, and the periphery of firm banking 1 is provided with magnetic bases 2, firm banking 1
Bottom centre is provided with for the bullet 3 with the centre bore centering of motor shaft, the bullet 3 be adjusted axially that bar 4 is coaxial to be set
Put, magnetic bases 2 not in working order when be not produce magnetic, when bullet 3 tip alignment motor shaft centre bore when,
Firm banking 1 just produces magnetic force to adsorb fixation with by motor shaft, and the length for being adjusted axially bar 4 and radiai adjustment bar 5 can adjust,
To reach different centering requirements, when radiai adjustment bar is adjusted, should ensure that the two ends length of radiai adjustment bar is the same, it is ensured that footpath
It is centrally located on the axis for being adjusted axially bar to adjusting rod, dial gauge is arranged on the two ends of radiai adjustment bar.
With reference to shown in Fig. 1 and Fig. 2, the bottom centre of the firm banking 1 of the present embodiment is provided with and matches with bullet
Counterbore 11, bullet 3 is adjusted axially bar 4 and is connected with firm banking 1 in the counterbore 11.Magnetic bases 2 can be one or many
Individual (multiple refers to two or more), when for one when, can be ring-type, when for multiple when, the plurality of magnetic bases 2 are uniformly located at
Around firm banking.Preferably, magnetic bases 2 are set to three, to form 3 firm absorption types to motor shaft, that is, ensure
The fastness of absorption, and saved material as much as possible, reduce cost.Wherein, magnetic bases 2 are provided with soft magnetism material including outside
The base body of material, the permanent magnet inside base body and the knob outside base body, base body is by connecting
Bar is connected with firm banking, and knob is connected with permanent magnet, and turning knob can drive the rotation of permanent magnet, and then change whole magnetic
The magnetic force direction of base, when the two poles of the earth of permanent magnet are in above-below direction, whole magnetic bases are just magnetized, now adsorbable motor
Axle.
The bar 4 that is adjusted axially of the present embodiment is formed by many axial stem grafting, and axial stem is preferably two, respectively first
The axial stem 42 of axial stem 41 and second, wherein, as shown in figure 4, one end of the first axial stem 41 is provided with what is be connected with firm banking 1
First connecting portion 411, its other end is provided with axial Plug Division 412, as shown in figure 5, one end of the second axial stem 42 is provided with and
The axial inserting groove 421 that the axial Plug Division 412 of one axial stem 41 matches, its other end be provided with radiai adjustment bar 5
The second connecting portion 422 of heart connection, the axial Plug Division 412 of the first axial stem 41 is pluggablely located at the axial direction of the second axial stem
In inserting groove 421, the entirety of bar 4 is adjusted axially by the way that the first axial stem 41 is adjustable relative to the plug campaign of the second axial stem 42
Length.After the relative position between the first axial stem 41 and the second axial stem 42 is regulated, can be by bolt by first axle
Fixation is tightened to the axial stem 42 of bar 41 and second, i.e. be arranged at axial inserting groove 421 in the lateral wall of the second axial stem 42 and communicate
Screwed hole, bolt is through the screwed hole and tightens the axial Plug Division 412 of the first axial stem 42.In order that the first axial stem 41
Connect firmly with the second axial stem 42, position that can be different in the second axial stem 42 sets multiple screwed holes, with by many
First axial stem and the second axial stem 42 are tightened fixation by individual bolt 10.Further, the present embodiment is in the first axial stem 41
Axial Plug Division 412 is provided with graduation mark, with the distance for convenient record the first axial stem 41 is slided so that adjustment motor with
Clutch is apart from foundation.
Process for convenience, the axial inserting groove 421 of the second axial stem 42 is opened type.Thus, in order to avoid dust etc.
Impurity is entered into axial inserting groove, and the second axial stem 42 is also provided with axial cover plate, and the axial cover plate is covered on axial grafting
The open-mouth of groove 421.In order that it is integrally-built rationally, the first connecting portion 411 of the first axial stem 41 with diameter greater than axial direction
The diameter of Plug Division 412, and first connecting portion 411 can be convex shape, the less one end of diameter is connected with axial Plug Division 412,
The one end being relatively large in diameter can be then connected by fastener with the center of firm banking 1.
It is pointed out that the above-mentioned structure for being adjusted axially bar 4 is preferred embodiment, this is adjusted axially bar and can also use
Other Collapsible structures, such as using screw rod and the fit system of thread groove.
The radiai adjustment bar 5 of the present embodiment is formed by many radial bars grafting.Preferably, radial bars are three, and it includes
First radial bars 51, the second radial bars 52 and the 3rd radial bars 53, as shown in fig. 6, the bar of the first radiai adjustment 51 includes that the 3rd connects
Socket part 511, and the first radial direction Plug Division 512 and the second radial direction Plug Division being connected with the two ends of the 3rd connecting portion 511 respectively
513, graduation mark can also be set on the first radial direction Plug Division 512 and the second radial direction Plug Division 513, adjusted with as needed
The length of radial direction；3rd connecting portion 511 is located at the center of the first radial bars 51, its second connecting portion with the second axial stem 42
422 connections.Load and unload for convenience, the second connecting portion of the present embodiment and the 3rd connecting portion grafting, with reference to shown in Fig. 5 and Fig. 6, tool
Body ground, second connecting portion 422 is projection, and correspondingly, the 3rd connecting portion 511 is set to the groove matched with projection, and second axially
Bar 42 is connected by way of projection insertion groove with the first radial bars 51.It is pointed out that the first radial bars 51 can be with
Connected using the second axial stem of other structures domain 42, such as：3rd connecting portion is set to projection, and second connecting portion be set to it is recessed
Groove.Second connecting portion and the 3rd connecting portion can also be attached using fastener.
Second radial bars 52 of the present embodiment and the structure of the 3rd radial bars 53 can be identical or differ, according to centering centering
It is required that, the two has two kinds of selectable structures, respectively yi word pattern structure or L-type structure, the radiai adjustment of yi word pattern structure
Bar can be set a dial gauge, and the radiai adjustment bar of L-type structure can be set two dial gauges.Therefore, two it is identical or differ
Radiai adjustment bar can just meet three kinds of job requirements, when service work, two yi word pattern knots can be typically set
The radiai adjustment bar of structure, or the radiai adjustment bar and a radiai adjustment bar for L-type structure of yi word pattern structure are set, by
This forms the aligning method of two tables or three tables；When installment work, it is likely that need using four table method for centering, therefore,
Need that two radiai adjustment bars of L-type structure are installed.The present embodiment by taking three table method for centering as an example, wherein：As shown in Figure 7 and Figure 8,
Second radial bars 52 are yi word pattern structure, and the 3rd radial bars 53 are L-type structure, specifically：One end of second radial bars 52 sets
There is the first radial direction inserting groove 521 matched with the first radial direction Plug Division 512, its other end is axially arranged with the first dial gauge 61,
First radial direction Plug Division 512 is inserted in the first radial direction inserting groove 521, when regulating the first radial direction Plug Division 512 and first radially
After the relative position of inserting groove 521, fastened by bolt；3rd radial bars 53 are L-type structure, and its one end is provided with and second
The second radial direction inserting groove 531 that radial direction Plug Division 513 matches, its other end is provided with the second dial gauge 62 and the 3rd dial gauge
63, wherein, the second dial gauge 62 is symmetrical arranged with the first dial gauge 61, and the radial direction of the 3rd dial gauge 63 is located at the 3rd radial bars 53
On, the second radial direction Plug Division 513 is inserted in the second radial direction inserting groove 531, when regulating the second radial direction Plug Division 513 and the second footpath
After relative position to inserting groove 531, fastened by bolt 10.Process for convenience, the first radial direction inserting groove 521 and
Two radial direction inserting grooves 531 are disposed as opened type, in order to avoid the impurity such as dust are polluted into inserting groove, and first
Radial direction cover plate is set on the radial direction inserting groove 531 of radial direction inserting groove 521 and second.
The bullet 3 of the present embodiment can use fixed connected mode with firm banking 1, now, it should be ensured that bullet
Tip flushes with the adsorption plane of magnetic bases, because：When bullet is fixedly connected with firm banking, just have determined that
The sophisticated position of bullet；If the adsorption plane of the prominent magnetic bases in the tip of bullet, now, although the centering of bullet
Effect is unaffected, but is likely to result in magnetic bases and is not contacted with motor shaft, and magnetic bases can not adsorb fixed motor shaft；Such as
The tip of fruit bullet falls in the adsorption plane of the tip location less than magnetic bases of the inside of firm banking, i.e. bullet, then bore
Body cannot be contacted with motor shaft, not have the effect of centering.Therefore, when bullet is fixedly connected with firm banking, should
Ensure that the tip of bullet flushes with the adsorption plane of magnetic bases, to meet while bullet centering requirement, it is ensured that magnetic bottom
Suction-operated of the seat to motor shaft.
Above-mentioned bullet 3 fixes 1 connected mode with firm banking, it is desirable to the tip of bullet and the absorption of magnetic bases
Face flushes, and slightly error will influence the work of whole device, and this requires accurate machining accuracy, therefore improves difficult processing
Degree, in order to reduce difficulty of processing, the bullet 3 of the present embodiment is retractably installed at the bottom centre of firm banking 1, specifically
Be in counterbore 11, now, it is ensured that bullet in its natural state, adsorption plane of its prominent magnetic bases 2 in tip, when
When the tip of bullet props up the centre bore of motor shaft, motor shaft center centering is realized, now the tip of the bullet can contract
It is back to or less than the adsorption plane of magnetic bases so that the adsorption plane of magnetic bases contacts to adsorb fixed motor shaft with motor shaft.
Bullet 3 is retractably installed at the mode in the counterbore of the bottom of firm banking 1, Ke Yiwei：With reference to Fig. 1, Fig. 2,
Shown in Fig. 3 and Fig. 4, in the centrally disposed through hole 12 of the counterbore 11 of firm banking 1, and in the first connecting portion of the first axial stem 41
Spring card slot 413 is provided with 411, the spring card slot 413 communicates 12 with through hole, and the aperture of through hole 12 is less than spring card slot 413
Groove width, sets spring 7 in spring card slot 413, and bullet 3 is connected by connecting pole 8 with spring 7, and the diameter of the connecting pole 8 is small
In the aperture of through hole 12 and the groove width of spring card slot 413, one end of connecting pole 8 is fixedly connected with bullet 3, and its other end is provided with
With diameter greater than the limited block 9 in the aperture of through hole 12, limited block 9 is stretched into spring card slot 413 and is fixedly connected with spring 7, taper
The telescopic slide scope of body 3 is subject to the length limitation of connecting pole 8, the distance of the adsorption plane of magnetic bases 2 to the bottom of counterbore 11
Be set to L1, the height of bullet 3 is provided with L2, and the stroke of bullet 3 is set to △ L, then it is ensured that：L1≤L2, △ L≤(L1-
L2), the stroke △ L of bullet can not be excessive or too small, generally 2-5mm, due to the flexible spring that is embodied in of bullet 3
Flexible, the elastic force of spring can balance out the magnetic force of the part of magnetic bases 1, therefore, the stroke of bullet too greatly can be obvious
Weaken suction-operated of the magnetic bases to motor shaft, and centering effect, inventor's research are then influenced whether if stroke is too small
It was found that, effects of the △ L between 2-5mm is best.
Shaft coupling center alignment device of the invention, its specific work process is：After each part of the device is assembled,
The tip of bullet 3 is subdued against the position of the centre bore of motor shaft, now, the center for being adjusted axially bar 4 has aligned
The center of motor shaft, now, by rotating the turn-knob in magnetic bases 2, will turn over entirely to fill with magnetic one side
Absorption is put on the motor shaft of motor side, the gap of the first axial stem 41 and the second axial stem 42 is adjusted to suitable position,
To adjust axial distance, while the scale above the first axial stem 41 is observed, it is long come the axial direction needed for adjusting according to actual needs
Degree, is tightened using bolt after adjusting and fixes the first axial stem 41 and the second axial stem 42；Then, according to actual needs by cunning
, to suitable distance, both sides spacing can be by the scale in the first radial bars 51 for dynamic second radial bars 52 and the 3rd radial bars 53
Observed, fixation is tightened using bolt after adjusting, finally installed the first dial gauge 61, the second dial gauge 62 and the 300th
Divide table 63, centering centering is carried out to motor shaft using genuine standard.
Alignment device of the invention, the bullet due to the Center in firm banking, can be quickly found out motor shaft
Centre bore and centering, and be absorbed and fixed on motor shaft using magnetic bases so that install more accurately and quickly.With quarter
The distance for being adjusted axially the clear slip when sliding of bar and radiai adjustment bar of degree so that adjustment motor clutch distance has
Foundation.Using multiple radiai adjustment bars, can with the radiai adjustment bar of independent assortment different structure, to realize different method for centering,
The efficiency of center centering can be significantly improved.Alignment device of the invention is flexible, reliable, convenient disassembly, and small volume, conveniently takes
Band, is very suitable for promoting the use of.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and replacement can also be made, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of shaft coupling center alignment device, it is characterised in that including firm banking, bullet, be adjusted axially bar, radially adjust
Pole and dial gauge, described one end for being adjusted axially bar are connected with firm banking, and its other end connects with the center of radiai adjustment bar
Connect, the periphery of the firm banking is provided with the magnetic bases for adsorbing fixed motor shaft, the bullet is located at the fixation
The bottom centre of base, the bullet is coaxially disposed with bar is adjusted axially, for the centre bore centering with motor shaft, the footpath
The dial gauge is separately installed with to the two ends of adjusting rod；
The bullet is retractably installed at the bottom centre of the firm banking, the bullet its point in its natural state
End can protrude the adsorption plane of the magnetic bases, and its tip can be reduced to or less than the magnetic bases when bullet shrinks
Adsorption plane；
The bottom centre of the firm banking is provided with counterbore, and the bullet is telescopically installed in the counterbore；
The counterbore is provided centrally with through hole, described to be adjusted axially one end that bar is connected with firm banking and be provided with and the through hole
The spring card slot for communicating, the groove width of the aperture less than spring card slot of the through hole, is provided with spring, the cone in the spring card slot
Body is connected by connecting pole with spring, and one end of the connecting pole is fixedly connected with bullet, and it is big that its other end is provided with diameter
In the limited block in the aperture of the through hole, the limited block is stretched into elastic draw-in groove and is fixedly connected with spring.
2. shaft coupling center alignment device as claimed in claim 1, it is characterised in that described to be adjusted axially bar and radiai adjustment
The adjustable length of bar.
3. shaft coupling center alignment device as claimed in claim 2, it is characterised in that the radiai adjustment bar is by many radial directions
Bar grafting is formed.
4. shaft coupling center alignment device as claimed in claim 3, it is characterised in that the radial bars are three, respectively
First radial bars, the second radial bars and the 3rd radial bars, first radial bars include being used for and are adjusted axially the company that bar is connected
Socket part, and the first radial direction Plug Division and the second radial direction Plug Division being connected with the two ends of the connecting portion respectively；
Second radial bars are identical with the structure of the 3rd radial bars or differ, and second radial bars are inserted in described first
On radial direction Plug Division, the 3rd radial bars are inserted on the second radial direction Plug Division, second radial bars and the 3rd footpath
To being respectively equipped with dial gauge on bar.
5. shaft coupling center alignment device as claimed in claim 4, it is characterised in that second radial bars are yi word pattern knot
Structure or L font structures, the 3rd radial bars are yi word pattern structure or L font structures.
6. shaft coupling center alignment device as claimed in claim 5, it is characterised in that second radial bars are yi word pattern knot
Structure, the 3rd radial bars are L-type structure, and one end of second radial bars is provided with the matched with the first radial direction Plug Division
One radial direction inserting groove, its other end is axially arranged with the first dial gauge；One end of 3rd radial bars is provided with radially inserts with second
The second radial direction inserting groove that socket part matches, its other end is provided with the second dial gauge and the 3rd dial gauge, wherein, the second dial gauge
It is symmetrical arranged with the first dial gauge, the 3rd dial gauge is radially in the 3rd radial bars.
7. shaft coupling center alignment device as claimed in claim 4, it is characterised in that the first radial direction Plug Division and second
Radial direction is respectively equipped with graduation mark on Plug Division.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410854389.6A CN104567586B (en) | 2014-12-31 | 2014-12-31 | Shaft coupling center alignment device |
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| CN201410854389.6A CN104567586B (en) | 2014-12-31 | 2014-12-31 | Shaft coupling center alignment device |
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| CN110887973B (en) * | 2019-12-11 | 2023-10-20 | 西安航天精密机电研究所 | Accelerometer core butt joint structure and butt joint method |
| CN111317573B (en) * | 2020-02-20 | 2022-01-18 | 京东方科技集团股份有限公司 | Mobile trolley and mobile medical operation robot |
| CN111649656A (en) * | 2020-06-15 | 2020-09-11 | 中冶宝钢技术服务有限公司 | Centering method and centering device for two-axis center line |
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| CN203617853U (en) * | 2013-12-11 | 2014-05-28 | 天津百特瑞机械自动化科技有限公司 | Centre retraction protection device for motor shaft alignment |
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| GB2360596A (en) * | 1997-02-05 | 2001-09-26 | Renold Plc | Rotary coupling alignment using a permanent magnet and a pair of Hall effect sensors within respective coupling halves |
| CN101813448A (en) * | 2009-03-05 | 2010-08-25 | 北京燕化正邦设备检修有限公司 | Method for aligning and centering coupler of rotating machinery and special calculator thereof |
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| CN104567586A (en) | 2015-04-29 |
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