CN104567586A - Center alignment device for coupler - Google Patents
Center alignment device for coupler Download PDFInfo
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- CN104567586A CN104567586A CN201410854389.6A CN201410854389A CN104567586A CN 104567586 A CN104567586 A CN 104567586A CN 201410854389 A CN201410854389 A CN 201410854389A CN 104567586 A CN104567586 A CN 104567586A
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Abstract
The invention relates to the technical field of measurement, and discloses a center alignment device for a coupler. The center alignment device comprises a fixing base, a conical body, an axial adjusting rod, a radial adjusting rod and dial indicators. One end of the axial adjusting rod is connected with the fixing base, the other end of the axial adjusting rod is connected with the center of the radial adjusting rod, a magnetic base used for being attracted to and fixed to a motor shaft is arranged on the periphery of the fixing base, the conical body is disposed in the center of the bottom of the fixing base, the conical body and the axial adjusting rod are coaxially arranged and used for being aligned to a center hole of the motor shaft, and the dial indicators are installed at the two ends of the radial adjusting rod respectively. The conical body is designed in the center of the bottom of the fixing base so that the center hole of the motor shaft can be quickly found and aligned, and the magnetic base is attracted to and fixed to the motor shaft so that installation can be more precise and quicker. Besides, the conical body can installed in the bottom of the fixing base in a telescopic rod, center alignment is convenient to achieve, and machining difficulty is lowered.
Description
Technical field
The present invention relates to field of measuring technique, particularly relate to a kind of shaft coupling center alignment device.
Background technology
At present, still use conventional Magnetic gauge stand in the majority for the motor center centering with minor axis, Magnetic gauge stand is used for fixing with motor shaft, and dial gauge is connected with Magnetic gauge stand by cantilever, and the shortcoming adopting Magnetic gauge stand to carry out centering is that cantilever falls short of, span is limited, cantilever generally adopts two joint connecting rod links to form, and cantilever is easily out of shape, for center centering, the longer distortion of arm is easier, and errors of centration is larger.The installation of motor shaft and maintenance need to adopt multiple Magnetic gauge stand, and install one by one and have asymmetric error and affect centering efficiency, last mounting and adjusting gets up dial gauge inefficiency, and in adjustment motor shaft central process, reliability is poor.
Summary of the invention
The object of this invention is to provide a kind of shaft coupling center alignment device, to find the center pit of motor shaft fast and centering.
To achieve these goals, the invention provides a kind of shaft coupling center alignment device, it comprises firm banking, cone-shaped body, axial adjustment bar, radiai adjustment bar and dial gauge, one end of described axial adjustment bar is connected with firm banking, its other end is connected with the center of radiai adjustment bar, the outer magnetic bases be arranged with for adsorbing fixed electrical machinery axle of described firm banking, described cone-shaped body is located at the bottom centre of described firm banking, described cone-shaped body and axial adjustment bar are coaxially arranged, for the center pit centering with motor shaft, the two ends of described radiai adjustment bar are separately installed with described dial gauge.
In above-mentioned shaft coupling center alignment device, described cone-shaped body telescopically is arranged on the bottom centre of described firm banking, described cone-shaped body in its natural state its tip can give prominence to the adsorption plane of described magnetic bases, and when described cone-shaped body shrinks, its tip can be reduced to or lower than the adsorption plane of described magnetic bases.
In above-mentioned shaft coupling center alignment device, the bottom centre of described firm banking is provided with for counterbore, described cone-shaped body telescopically is installed in described counterbore, described cone-shaped body in its natural state its tip can give prominence to the adsorption plane of described magnetic bases, and when described cone-shaped body shrinks, its tip can be reduced to or lower than the adsorption plane of described magnetic bases.
In above-mentioned shaft coupling center alignment device, the center of described counterbore is provided with through hole, one end that described axial adjustment bar is connected with firm banking is provided with the spring card slot communicated with described through hole, the aperture of described through hole is less than the groove width of spring card slot, spring is provided with in described spring card slot, described cone-shaped body is connected with spring by joint pin, one end of described joint pin is fixedly connected with cone-shaped body, its other end is provided with the limited block that diameter is greater than the aperture of described through hole, and described limited block to stretch in elasticity draw-in groove and is fixedly connected with spring.
In above-mentioned shaft coupling center alignment device, the adjustable length of described axial adjustment bar and radiai adjustment bar.
In above-mentioned shaft coupling center alignment device, described radiai adjustment bar is formed by many radial bars grafting.
In above-mentioned shaft coupling center alignment device, described radial bars is three, be respectively the first radial bars, the second radial bars and the 3rd radial bars, described first radial bars comprises the connecting portion for being connected with axial adjustment bar, and the first radial Plug Division be connected with the two ends of described connecting portion respectively and the second radial Plug Division;
Described second radial bars is identical with the structure of the 3rd radial bars or not identical, described second radial bars is inserted on described first radial Plug Division, described 3rd radial bars is inserted on described second radial Plug Division, and described second radial bars and the 3rd radial bars are respectively equipped with dial gauge.
In above-mentioned shaft coupling center alignment device, described second radial bars is yi word pattern structure or L font structure, and described 3rd radial bars is yi word pattern structure or L font structure.
In above-mentioned shaft coupling center alignment device, described second radial bars is yi word pattern structure, described 3rd radial bars is L-type structure, and one end of described second radial bars is provided with the first radial inserting groove that radial Plug Division matches with first, and its other end is axially arranged with the first dial gauge; One end of described 3rd radial bars is provided with the second radial inserting groove that radial Plug Division matches with second, its other end is provided with the second dial gauge and the 3rd dial gauge, wherein, the second dial gauge and the first dial gauge are symmetrical arranged, and the 3rd dial gauge radial direction is located in the 3rd radial bars.
In above-mentioned shaft coupling center alignment device, described first radial Plug Division and the second radial Plug Division are respectively equipped with scale mark.
A kind of shaft coupling center alignment device that technique scheme provides, because the bottom centre at firm banking devises cone-shaped body, the center pit of motor shaft can be found fast and centering, and adopt magnetic bases to be absorbed and fixed on motor shaft, make to install more accurate and quick.
Further, cone-shaped body telescopically is arranged in the bottom of firm banking, can facilitate centering, and reduce difficulty of processing.
Further, adopt multiple radiai adjustment bar, can according to install with overhaul different, can 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 present invention is flexible, reliable, convenient disassembly, and volume is little, is convenient for carrying, and is very suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the vertical view of a kind of shaft coupling center alignment device of the present invention;
Fig. 2 is the front view of firm banking of the present invention and magnetic bases;
Fig. 3 is the vertical view of cone-shaped body of the present invention;
Fig. 4 is the vertical view of the first axial stem of the present invention;
Fig. 5 is the left view of the second axial stem of the present invention;
Fig. 6 is the vertical view of the first radial bars of the present invention;
Fig. 7 is the vertical view of the second radial bars of the present invention;
Fig. 8 is the vertical view of the 3rd radial bars of the present invention.
Wherein, 1, firm banking; 11, counterbore; 12, through hole; 2, magnetic bases; 3, cone-shaped body; 4, axial adjustment bar; 41, the first axial stem; 411, the first connecting portion; 412, axial Plug Division; 413, spring card slot; 42, the second axial stem; 421, axial inserting groove; 422, the second connecting portion; 5, radiai adjustment bar; 51, the first radial bars; 511, the 3rd connecting portion; 512, the first radial Plug Division; 513, the second radial Plug Division; 52, the second radial bars; 521, the first radial inserting groove; 53, the 3rd radial bars; 531, the second radial inserting groove; 61, the first dial gauge; 62, the second dial gauge; 63, the 3rd dial gauge; 7, spring; 8, joint pin; 9, limited block; 10, bolt.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, a kind of shaft coupling center alignment device of the preferred embodiment of the present invention, it comprises firm banking 1, cone-shaped body 3, axial adjustment bar 4, radiai adjustment bar 5 and dial gauge, one end of axial adjustment bar 4 is connected with firm banking 1, the other end of axial adjustment bar 4 is connected with the center of radiai adjustment bar 5, the outer of firm banking 1 is arranged with magnetic bases 2, the bottom centre of firm banking 1 is provided with the cone-shaped body 3 for the center pit centering with motor shaft, this cone-shaped body 3 is coaxially arranged with axial adjustment bar 4, magnetic bases 2 not in working order time be do not produce magnetic, when the center pit of motor shaft is aimed at the tip of cone-shaped body 3, firm banking 1 just produces magnetic force motor shaft absorption to be fixed, the length of axial adjustment bar 4 and radiai adjustment bar 5 is all adjustable, to reach different centering requirements, when regulating radiai adjustment bar, should ensure that the two ends length of radiai adjustment bar is the same, guarantee on the axis being centrally located at axial adjustment bar of radiai adjustment bar, dial gauge is arranged on the two ends of radiai adjustment bar.
Shown in composition graphs 1 and Fig. 2, the bottom centre of the firm banking 1 of the present embodiment is provided with the counterbore 11 matched with cone-shaped body, and cone-shaped body 3 is located in this counterbore 11, and axial adjustment bar 4 is connected with firm banking 1.Magnetic bases 2 can be one or more (multiple refer to two or more), when for one, can be ring-type, and when for time multiple, the plurality of magnetic bases 2 are evenly located at around firm banking.Preferably, magnetic bases 2 are set to three, to form 3 firm absorption types to motor shaft, namely ensure that the fastness of absorption, have saved material as much as possible again, reduce cost.Wherein, magnetic bases 2 comprise outside be provided with soft magnetic material base body, be located at the permanent magnet of base body inside and be located at the knob of base body outside, base body is connected with firm banking by connecting rod, knob is connected with permanent magnet, turning knob can drive the rotation of permanent magnet, and then changes the magnetic force direction of whole magnetic bases, when the two poles of the earth of permanent magnet are above-below direction, whole magnetic bases are just magnetized, now adsorbable motor shaft.
The axial adjustment bar 4 of the present embodiment is formed by many axial stem grafting, axial stem is preferably two, be respectively the first axial stem 41 and the second axial stem 42, wherein, as shown in Figure 4, one end of first axial stem 41 is provided with the first connecting portion 411 be connected with firm banking 1, its other end is provided with axial Plug Division 412, as shown in Figure 5, one end of second axial stem 42 is provided with the axial inserting groove 421 matched with the axial Plug Division 412 of the first axial stem 41, its other end is provided with the second connecting portion 422 be connected with the center of radiai adjustment bar 5, the axial Plug Division 412 of the first axial stem 41 is located in the axial inserting groove 421 of the second axial stem pluggablely, by the length of the first axial stem 41 relative to plug campaign adjustable axial adjustment bar 4 entirety of the second axial stem 42.After regulating the relative position between the first axial stem 41 and the second axial stem 42, by bolt, the first axial stem 41 and the second axial stem 42 are tightened fixing, namely, be arranged at the lateral wall of the second axial stem 42 threaded hole that axial inserting groove 421 communicates, bolt is through this threaded hole and tighten the axial Plug Division 412 of the first axial stem 42.In order to make the first axial stem 41 be connected firmly with the second axial stem 42, in the second axial stem 42, multiple threaded hole can be set in different positions, to tighten fixing by multiple bolt 10 by the first axial stem and the second axial stem 42.Further, the present embodiment is provided with scale mark on the axial Plug Division 412 of the first axial stem 41, to make the distance facilitating record first axial stem 41 to slide, makes adjustment motor and clutch distance foundation to some extent.
Conveniently process, the axial inserting groove 421 of the second axial stem 42 is opened type.Thus, in order to avoid the impurity such as dust enter into axial inserting groove, the second axial stem 42 is also provided with axial cover plate, and this axial cover plate is covered on the open-mouth of axial inserting groove 421.Rationally integrally-built in order to make, the diameter of the first connecting portion 411 of the first axial stem 41 is greater than the diameter of axial Plug Division 412, and the first connecting portion 411 can be convex shape, one end that diameter is less is connected with axial Plug Division 412, and one end that diameter is larger is then connected by the center of securing member with firm banking 1.
It is pointed out that the structure of above-mentioned axial adjustment bar 4 is optimal way, this axial adjustment bar can also adopt other Collapsible structure, as adopted the fit system of screw rod and thread groove.
The radiai adjustment bar 5 of the present embodiment is formed by many radial bars grafting.Preferably, radial bars is three, it comprises the first radial bars 51, second radial bars 52 and the 3rd radial bars 53, as shown in Figure 6, first radiai adjustment 51 bar comprises the 3rd connecting portion 511, and be connected with the two ends of the 3rd connecting portion 511 respectively first radial Plug Division 512 and the second radial Plug Division 513, scale mark can also be set on the first radial Plug Division 512 and the second radial Plug Division 513, to regulate radial length as required; 3rd connecting portion 511 is positioned at the center of the first radial bars 51, and it is connected with the second connecting portion 422 of the second axial stem 42.Conveniently load and unload, second connecting portion of the present embodiment and the 3rd connecting portion grafting, shown in composition graphs 5 and Fig. 6, particularly, second connecting portion 422 is protruding, correspondingly, the 3rd connecting portion 511 is set to the groove matched with projection, and the second axial stem 42 is connected with the first radial bars 51 by the protruding mode inserting groove.It is pointed out that the first radial bars 51 can also adopt other domain second axial stem 42 to connect, as: the 3rd connecting portion is set to projection, and the second connecting portion is set to groove.Second connecting portion can also adopt securing member to be connected with the 3rd connecting portion.
Second radial bars 52 of the present embodiment can be identical or not identical with the structure of the 3rd radial bars 53, according to the requirement of centering centering, the two has two kinds of selectable structures, be respectively yi word pattern structure or L-type structure, the radiai adjustment bar of yi word pattern structure can arrange a dial gauge, and the radiai adjustment bar of L-type structure can arrange two dial gauges.Therefore, two identical or not identical radiai adjustment bars just can meet three kinds of job requirements, when for service work, the radiai adjustment bar of two yi word pattern structures generally can be set, or the radiai adjustment bar of a yi word pattern structure and the radiai adjustment bar of a L-type structure are set, form the aligning method of two tables or three tables thus; When for installment work, then likely need employing four to show method for centering, therefore, need the radiai adjustment bar of installation two L-type structures.The present embodiment is for three table method for centering, wherein: as shown in Figure 7 and Figure 8, second radial bars 52 is yi word pattern structure, and the 3rd radial bars 53 is L-type structure, particularly: one end of the second radial bars 52 is provided with the first radial inserting groove 521 that radial Plug Division 512 matches with first, its other end is axially arranged with the first dial gauge 61, first radial Plug Division 512 is inserted in the first radial inserting groove 521, when after the relative position regulating the first radial Plug Division 512 and the first radial inserting groove 521, undertaken fastening by bolt; 3rd radial bars 53 is L-type structure, its one end is provided with the second radial inserting groove 531 that radial Plug Division 513 matches with second, its other end is provided with the second dial gauge 62 and the 3rd dial gauge 63, wherein, second dial gauge 62 and the first dial gauge 61 are symmetrical arranged, 3rd dial gauge 63 radial direction is located in the 3rd radial bars 53, second radial Plug Division 513 is inserted in the second radial inserting groove 531, when after the relative position regulating the second radial Plug Division 513 and the second radial inserting groove 531, undertaken fastening by bolt 10.Conveniently process, the first radial inserting groove 521 and the second radial inserting groove 531 are all set to opened type, enter inserting groove and pollute, and arrange radial cover plate in order to avoid impurity such as dusts on the first radial inserting groove 521 and the second radial inserting groove 531.
Cone-shaped body 3 and the firm banking 1 of the present embodiment can adopt fixing connected mode, now, should guarantee that the tip of cone-shaped body flushes with the adsorption plane of magnetic bases, this is because: when cone-shaped body is fixedly connected with firm banking, just determine the position at the tip of cone-shaped body; If the adsorption plane of magnetic bases is given prominence at the tip of cone-shaped body, now, although the centering effect of cone-shaped body is unaffected, magnetic bases may be caused not contact with motor shaft, and magnetic bases can not adsorb fixed electrical machinery axle; If the inside of firm banking is dropped at the tip of cone-shaped body, namely the tip location of cone-shaped body is lower than the adsorption plane of magnetic bases, then cone-shaped body just can not contact with motor shaft, does not have the effect of centering.Therefore, when cone-shaped body is fixedly connected with firm banking, should guarantee that the tip of cone-shaped body flushes with the adsorption plane of magnetic bases, while meeting the requirement of cone-shaped body centering, guarantee the suction-operated of magnetic bases to motor shaft.
Above-mentioned cone-shaped body 3 and firm banking fix the connected mode of 1, require that the tip of cone-shaped body flushes with the adsorption plane of magnetic bases, slightly error will affect the work of whole device, this will ask accurate machining precision, therefore improve difficulty of processing, in order to reduce difficulty of processing, cone-shaped body 3 telescopically of the present embodiment is arranged on the bottom centre of firm banking 1, be in particular and be arranged in counterbore 11, now should guarantee, cone-shaped body in its natural state, the adsorption plane of its most advanced and sophisticated outstanding magnetic bases 2, when the tip of cone-shaped body props up the center pit of motor shaft, achieve motor shaft center centering, now the tip of this cone-shaped body can be retracted to or lower than the adsorption plane of magnetic bases, the adsorption plane of magnetic bases is made to contact to adsorb fixed electrical machinery axle with motor shaft.
Cone-shaped body 3 telescopically is arranged on the mode in the counterbore bottom firm banking 1, can be: composition graphs 1, Fig. 2, shown in Fig. 3 and Fig. 4, at the center of the counterbore 11 of firm banking 1, through hole 12 is set, and spring card slot 413 is provided with in the first connecting portion 411 of the first axial stem 41, this spring card slot 413 communicates 12 with through hole, the aperture of through hole 12 is less than the groove width of spring card slot 413, spring 7 is set in spring card slot 413, cone-shaped body 3 is connected with spring 7 by joint pin 8, the diameter of this joint pin 8 is less than the aperture of through hole 12 and the groove width of spring card slot 413, one end of joint pin 8 is fixedly connected with cone-shaped body 3, its other end is provided with the limited block 9 that diameter is greater than the aperture of through hole 12, limited block 9 to stretch in spring card slot 413 and is fixedly connected with spring 7, the telescopic slide scope of cone-shaped body 3 is subject to the length restriction of joint pin 8, the adsorption plane of magnetic bases 2 is set to L1 to the distance of the bottom of counterbore 11, the height of cone-shaped body 3 is provided with L2, the stroke of cone-shaped body 3 is set to △ L, then should guarantee: L1≤L2, △ L≤(L1-L2), the stroke △ L of cone-shaped body can not be excessive or too small, be generally 2-5mm, stretching of the present spring of extrusome due to cone-shaped body 3, the elastic force of spring can balance out the magnetic force of magnetic bases 1 part, therefore, the words that the stroke of cone-shaped body is too large can obviously weaken magnetic bases to the suction-operated of motor shaft, the words that stroke is too little then can have influence on centering effect, inventor studies discovery, the effect of △ L between 2-5mm is best.
Shaft coupling center alignment device of the present invention, its specific works process is: after good for each assembling parts of this device, the position of the tip of cone-shaped body 3 facing to the center pit of motor shaft is subdued, now, the center of axial adjustment bar 4 has aligned the center of motor shaft, now, by rotating the turn-knob in magnetic bases 2, the magnetic one side of band is turned over above the motor shaft whole device being adsorbed on motor side, adjust the gap of the first axial stem 41 and the second axial stem 42 to suitable position, to adjust axial distance, observe the scale above the first axial stem 41 simultaneously, adjust required axial length according to actual needs, adjust rear use bolt tightening and fix the first axial stem 41 and the second axial stem 42, then, suitable distance is arrived according to actual needs by slip second radial bars 52 and the 3rd radial bars 53, both sides spacing can be observed by the scale in the first radial bars 51, adjust rear use bolt tightening to fix, finally install the first dial gauge 61, second dial gauge 62 and the 3rd dial gauge 63, adopt genuine standard to carry out centering centering to motor shaft.
Alignment device of the present invention, the cone-shaped body due to the Center at firm banking, can find the center pit of motor shaft fast and centering, and adopt magnetic bases to be absorbed and fixed on motor shaft, makes to install more accurate and quick.The distance of the clear slip when sliding with graduated axial adjustment bar and radiai adjustment bar, makes adjustment motor clutch distance have foundation.Adopt multiple radiai adjustment bar, can 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 present invention is flexible, reliable, convenient disassembly, and volume is little, is convenient for carrying, and is very suitable for promoting the use of.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (10)
1. a shaft coupling center alignment device, it is characterized in that, comprise firm banking, cone-shaped body, axial adjustment bar, radiai adjustment bar and dial gauge, one end of described axial adjustment bar is connected with firm banking, its other end is connected with the center of radiai adjustment bar, the outer magnetic bases be arranged with for adsorbing fixed electrical machinery axle of described firm banking, described cone-shaped body is located at the bottom centre of described firm banking, described cone-shaped body and axial adjustment bar are coaxially arranged, for the center pit centering with motor shaft, the two ends of described radiai adjustment bar are separately installed with described dial gauge.
2. shaft coupling center alignment device as claimed in claim 1, it is characterized in that, described cone-shaped body telescopically is arranged on the bottom centre of described firm banking, described cone-shaped body in its natural state its tip can give prominence to the adsorption plane of described magnetic bases, and when described cone-shaped body shrinks, its tip can be reduced to or lower than the adsorption plane of described magnetic bases.
3. shaft coupling center alignment device as claimed in claim 2, it is characterized in that, the bottom centre of described firm banking is provided with counterbore, and described cone-shaped body telescopically is installed in described counterbore.
4. shaft coupling center alignment device as claimed in claim 3, it is characterized in that, the center of described counterbore is provided with through hole, one end that described axial adjustment bar is connected with firm banking is provided with the spring card slot communicated with described through hole, the aperture of described through hole is less than the groove width of spring card slot, spring is provided with in described spring card slot, described cone-shaped body is connected with spring by joint pin, one end of described joint pin is fixedly connected with cone-shaped body, its other end is provided with the limited block that diameter is greater than the aperture of described through hole, described limited block to stretch in elasticity draw-in groove and is fixedly connected with spring.
5. the shaft coupling center alignment device as described in any one of claim 1-4, is characterized in that, the adjustable length of described axial adjustment bar and radiai adjustment bar.
6. shaft coupling center alignment device as claimed in claim 5, it is characterized in that, described radiai adjustment bar is formed by many radial bars grafting.
7. shaft coupling center alignment device as claimed in claim 6, it is characterized in that, described radial bars is three, be respectively the first radial bars, the second radial bars and the 3rd radial bars, described first radial bars comprises the connecting portion for being connected with axial adjustment bar, and the first radial Plug Division be connected with the two ends of described connecting portion respectively and the second radial Plug Division;
Described second radial bars is identical with the structure of the 3rd radial bars or not identical, described second radial bars is inserted on described first radial Plug Division, described 3rd radial bars is inserted on described second radial Plug Division, and described second radial bars and the 3rd radial bars are respectively equipped with dial gauge.
8. shaft coupling center alignment device as claimed in claim 7, it is characterized in that, described second radial bars is yi word pattern structure or L font structure, and described 3rd radial bars is yi word pattern structure or L font structure.
9. shaft coupling center alignment device as claimed in claim 8, it is characterized in that, described second radial bars is yi word pattern structure, described 3rd radial bars is L-type structure, one end of described second radial bars is provided with the first radial inserting groove that radial Plug Division matches with first, and its other end is axially arranged with the first dial gauge; One end of described 3rd radial bars is provided with the second radial inserting groove that radial Plug Division matches with second, its other end is provided with the second dial gauge and the 3rd dial gauge, wherein, the second dial gauge and the first dial gauge are symmetrical arranged, and the 3rd dial gauge radial direction is located in the 3rd radial bars.
10. shaft coupling center alignment device as claimed in claim 7, is characterized in that, described first radial Plug Division and the second radial Plug Division are respectively equipped with scale mark.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854389.6A CN104567586B (en) | 2014-12-31 | 2014-12-31 | Shaft coupling center alignment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854389.6A CN104567586B (en) | 2014-12-31 | 2014-12-31 | Shaft coupling center alignment device |
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| CN104567586A true CN104567586A (en) | 2015-04-29 |
| CN104567586B CN104567586B (en) | 2017-06-06 |
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| CN201410854389.6A Active CN104567586B (en) | 2014-12-31 | 2014-12-31 | Shaft coupling center alignment device |
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| CN110887973A (en) * | 2019-12-11 | 2020-03-17 | 西安航天精密机电研究所 | Accelerometer core butt joint structure and method |
| CN111317573A (en) * | 2020-02-20 | 2020-06-23 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| Publication number | Publication date |
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| CN104567586B (en) | 2017-06-06 |
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