CN102990019B - Crystallizer-oscillated eccentric mechanism without radial clearance - Google Patents
Crystallizer-oscillated eccentric mechanism without radial clearance Download PDFInfo
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- CN102990019B CN102990019B CN201210506530.4A CN201210506530A CN102990019B CN 102990019 B CN102990019 B CN 102990019B CN 201210506530 A CN201210506530 A CN 201210506530A CN 102990019 B CN102990019 B CN 102990019B
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- 239000003351 stiffener Substances 0.000 claims description 38
- 230000013011 mating Effects 0.000 claims description 11
- 230000010355 oscillation Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101710117642 Beta sliding clamp Proteins 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
本发明公开一种无径向间隙的结晶器振动偏心机构，涉及连续铸造设备，其偏心轴与偏心套的配合部分由大圆柱面、圆台面和小圆柱面连接而成，所述偏心轴和偏心套上各自有一个外径相等的盘体，分别与偏心轴和偏心套上的大圆柱面相连，且在各自的圆周上都开有键槽，键安装在对齐的键槽中，两个盘体通过夹环紧固在一起。偏心机构在圆台面处采用无间隙配合，使偏心轴和偏心套不会产生径向位移，克服了现有偏心机构因预留装配间隙而导致偏心轴与偏心套之间发生径向振动和磨损的缺点，偏心轴和偏心套在圆柱面处采用间隙配合，使得偏心机构的安装、拆卸和偏心距调节简单易行。本发明结构简单、使用寿命长、运行平稳、振动精度高。
The invention discloses a crystallizer vibration eccentric mechanism without radial clearance, which relates to continuous casting equipment. The matching part of the eccentric shaft and the eccentric sleeve is formed by connecting a large cylindrical surface, a circular table surface and a small cylindrical surface. The eccentric shaft and the eccentric sleeve are connected together. Each of the eccentric sleeves has a disc body with the same outer diameter, which are respectively connected to the eccentric shaft and the large cylindrical surface of the eccentric sleeve, and key grooves are opened on their respective circumferences, and the keys are installed in the aligned key grooves. The two disc bodies Fastened together with clamp rings. The eccentric mechanism adopts a gap-free fit on the circular table surface, so that the eccentric shaft and the eccentric sleeve will not produce radial displacement, which overcomes the radial vibration and wear between the eccentric shaft and the eccentric sleeve caused by the reserved assembly clearance of the existing eccentric mechanism The shortcomings of the eccentric shaft and the eccentric sleeve adopt a clearance fit at the cylindrical surface, which makes the installation, disassembly and eccentric distance adjustment of the eccentric mechanism simple and easy. The invention has the advantages of simple structure, long service life, stable operation and high vibration precision.
Description
Technical field
The present invention relates to continuous casting equipment, especially relate to a kind of conticaster crystallizer vibrating eccentric stiffener.
Background technology
In continuous casting is produced, in order to make steel billet smoothly from crystallizer pull-out, crystallizer will do and up and down reciprocatingly vibrate.Existing mechanical type vibration generating arrangement is generally by motor, decelerator or variable moderator, eccentric stiffener and linkage composition, wherein eccentric stiffener is vibrative critical component, generally be made up of eccentric shaft and eccentric bushing, the cooperation of these two parts be fixedly that eccentric stiffener is being installed, operation and the Focal point and difficult point adjusted in eccentric throw process.Continuous casting manufacturing technique requires that the amplitude of vibrating mechanism will adjust according to different steel grade and pulling rate, therefore the relative position of eccentric shaft and eccentric bushing to be adjusted to control the eccentric throw of eccentric stiffener, to realize different amplitudes, this just requires there is certain gap between eccentric shaft and eccentric bushing, them can be made to relatively rotate, thus conveniently adjust eccentric throw accurately.But due to the existence in gap, mechanism is in operation process, radial clearance is there is between eccentric bushing and eccentric shaft, thus affect continuous cast mold vibration precision and produce mechanism vibrations impact phenomenon, eccentric bushing and eccentric shaft also produce wearing and tearing simultaneously, when may wear to the eccentric throw that to a certain degree just can not ensure to fix, along with wearing and tearing aggravation, gap between eccentric shaft and eccentric bushing increases, whole vibrational system is caused to produce huge impact and noise, even damage, the quality of strand will be had a strong impact on like this, need to change eccentric stiffener, and the high operating rate of conticaster can make eccentric stiffener be easy to damage, change eccentric stiffener continually and will have a strong impact on carrying out smoothly of production, huge economic loss is caused to enterprise.If but eccentric shaft and eccentric bushing are interference fit, the assembling of eccentric stiffener, dismounting and eccentric throw adjustment not only can be made to become very difficult, also because of long-time use, eccentric shaft and eccentric bushing can be caused to become rusty extremely, make the eccentric throw of eccentric stiffener non-adjustable.The outer surface of existing eccentric shaft and the inner surface of eccentric bushing are cylinder, and its assembling form mainly contains following several.
Chinese patent ZL200720045858.5 discloses a kind of billet continuous casting vibration table eccentric mechanism, and the eccentric shaft in this mechanism and eccentric bushing inner surface arrange one or more groups keyway, and eccentric shaft and eccentric bushing are fixed connection by key.This mode requires that key and keyway closely cooperate, to obtain stablizing and accurate eccentric throw, when eccentric adjustment distance, key is needed to beat taking-up, make the adjustment of eccentric throw very difficult, and once the keyway of key and installation site weares and teares, larger elliptical gear can be caused, affect the production of conticaster.
Chinese patent 200920214004.4 discloses a kind of conticaster crystallizer eccentric, this device is equipped with eccentric bushing, datum tooth cover and adjustment tooth cover on eccentric shaft, the stepped tooth of adjustment tooth cover and the stepped tooth of datum tooth cover coordinate, the rectangular teeth of datum tooth cover and the rectangular teeth of eccentric bushing coordinate, datum tooth cover inner surface and eccentric shaft have keyway, be fixedly connected by key between them, rotating eccentric sleeve and datum tooth cover can adjust the eccentric throw of eccentric.The arrangement increases the degree of regulation of eccentric throw, the eccentric connected relative to key is easy to adjust, but the gap that eccentric bushing, adjustment tooth overlap between eccentric shaft is still inevitable, and mechanism's each parts in running can produce relative motion, thus cause wear-out failure.
Chinese patent 200910261475.5 discloses a kind of amplitude control method and structure of mechanical vibrator, and this device is made up of an eccentric shaft and at least one eccentric bushing, and eccentric shaft and eccentric bushing are fixed by key or bolt.When eccentric shaft and eccentric bushing are fixed by key, have multiple keyway in eccentric shaft, eccentric bushing inner surface has a keyway, is fixed connection by after the keyway alignment on eccentric shaft and eccentric bushing by key; When eccentric shaft and eccentric bushing bolt are fixedly connected, eccentric bushing has radial bolts hole, after determining the relative position of eccentric shaft and eccentric bushing, by bolt tightening, fix the relative position of the two.The common drawback of these two kinds of connected modes is adjustment difficulties, is not easy to dismounting.
Also has a kind of eccentric stiffener be made up of eccentric shaft and eccentric bushing in addition, its eccentric bushing two ends indentation, when eccentric bushing is arranged on after on eccentric shaft, the two ends of eccentric bushing coordinate two fixed covers respectively, and these two fixed cover inner surfaces have a keyway run through, and coordinate with the key on eccentric shaft, can slide along eccentric shaft, but not rotatable, and to one end that eccentric bushing connects with corresponding sawtooth, thus be connected with eccentric bushing.Eccentric shaft two ends have screw thread, fix respectively in the outer end of two fixed covers with nut, and such eccentric shaft and eccentric bushing are fixedly connected.When eccentric adjustment distance, unclamp nut, separately fixed cover and eccentric bushing, rotating eccentricity cover, to correct position, then makes fixed cover again coordinate with eccentric bushing, fixes with nut, and eccentric stiffener can be made to obtain new eccentric throw.In order to be easy to make eccentric shaft and eccentric bushing relatively rotate with eccentric adjustment distance, this connecting mode also can leave gap between eccentric shaft and eccentric bushing.So eccentric shaft and eccentric bushing inner surface are cylindrical eccentric stiffener, inevitably affect mold oscillation precision because of excesssive gap and produce wearing and tearing, or because of gap too small not easily eccentric adjustment distance.
Summary of the invention
The object of the invention is to not only thoroughly eliminate radial vibration gap in motion process of eccentric shaft and eccentric bushing and wear phenomenon by new mating surface, improve mold oscillation precision, extend eccentric stiffener working life, and make it be easy to assembling, dismounting and eccentric adjustment distance.
For achieving the above object, technical scheme provided by the invention is as follows: a kind of mold oscillation eccentric stiffener without radial clearance, comprise eccentric shaft and eccentric bushing, the mating part of this eccentric shaft and eccentric bushing is successively by great circle cylinder, round table surface and small cylindrical surface are formed by connecting, great circle cylinder respective on eccentric shaft and eccentric bushing, the end face diameter of round table surface and small cylindrical surface junction is equal, eccentric shaft is identical with the round table surface cone angle on eccentric bushing, two round table surface places are blind-mate, eccentric shaft and eccentric bushing are matched in clearance at great circle cylinder and small cylindrical surface place, the protruding disk body that on eccentric shaft and eccentric bushing, each own external diameter is equal, two disk bodies are connected with the great circle cylinder on eccentric bushing with eccentric shaft respectively, and circumferentially all have keyway at respective disk body, key is arranged in the keyway of amphidisc alignment, two disk bodies are tightened together by clamp ring, described clamp ring is bolted by two semicircles, it is trapezoidal groove that inside has cross section, the mating part cross section of eccentric shaft and eccentric bushing disk body and clamp ring is trapezoidal, the cylindrical dead in line of eccentric shaft great circle cylinder, round table surface, small cylindrical surface and eccentric shaft projection disk body, this axis is parallel with main shaft and there is eccentric throw, , outside this axis and eccentric bushing, there is eccentric throw except the axis being parallel of protruding disk body part in the cylindrical dead in line of protruding disk body outside great circle cylinder, round table surface, small cylindrical surface and eccentric bushing inside eccentric bushing.
Round table surface cone angle on this eccentric stiffener eccentric shaft and eccentric bushing is 8 ° ~ 30 °.
This eccentric stiffener can circumferentially have a keyway at eccentric bushing disk body, multiple keyway is circumferentially had at eccentric shaft disk body, on two disk bodies, keyway is measure-alike, circumferentially has at least 2 equally distributed unthreaded holes at described eccentric shaft and eccentric shaft disk body.
This eccentric stiffener axially can also have at least 2 equally distributed tapped through holes at eccentric bushing disk body, is separately installed with bolt.
The inner trapezoidal groove two sides angle β of clamp ring described in this eccentric stiffener is 8 ° ~ 30 °.
In addition, a semi-circular portions of clamp ring described in this eccentric stiffener, footpath can have a keyway within it, coordinate with key, have a stepped hole for construction bolt at keyway center position, in described key, have a screwed hole be connected with bolt in the heart.
Eccentric stiffener of the present invention, have employed the mating surface that great circle cylinder, round table surface and small cylindrical surface connect, in mechanical operation process, round table surface place is blind-mate, completely eliminates the radial clearance between eccentric shaft and eccentric bushing.Face of cylinder place adopts matched in clearance, makes eccentric stiffener to carry out easily installing, dismantle and debugging.Key on two protruding disk bodies and clamp ring limit relatively rotating of eccentric shaft and eccentric bushing, ensure that constant eccentric throw.In addition, having cross section because clamp ring is inner is trapezoidal groove, the cross section of two disk bodies and clamp ring mating part is trapezoidal, thus make two disk bodies after fixing with snap ring, leave less gap between its apparent surface, so just can ensure to closely cooperate between eccentric shaft and eccentric bushing two round table surface.At the keyway circumferentially arranging some and the unthreaded hole of two protruding disk bodies, and connecting bolt is set on the disk body of eccentric shaft, not only can eccentric adjustment distance easily, be also convenient to the dismounting of eccentric bushing simultaneously.
In sum, the present invention not only thoroughly can eliminate radial vibration gap in motion process of eccentric shaft and eccentric bushing and wear phenomenon at the mating surface unlike the prior art that eccentric shaft and eccentric bushing mating part adopt, extend eccentric stiffener working life, and owing to being provided with the equal protruding disk body of its external diameter respectively and adopting clamp ring fixed form on eccentric shaft and eccentric bushing, thus make whole mechanism be easy to assembling and dismounting, and can eccentric adjustment distance easily.In addition, the present invention also have structure simple, operate steadily, vibrate precision high, be convenient to the features such as manufacture.
Accompanying drawing explanation
The present invention has accompanying drawing 6 width, wherein:
Fig. 1 is the A-A sectional view of Fig. 2;
Fig. 2 is the side view of eccentric shaft in the present invention;
Fig. 3 is the B-B sectional view of Fig. 4;
Fig. 4 is the side view of eccentric bushing in the present invention;
Fig. 5 is the installation diagram of eccentric stiffener of the present invention;
Fig. 6 is the sectional view of clamp ring in the present invention.
In figure: the 1-face of cylinder, the 2-face of cylinder, 3-eccentric shaft disk body A, the 4-face of cylinder, 5,5 ＇-great circle cylinder A, B, 6,6 ＇-round table surface A, B, 7,7 ＇-small cylindrical surface A, B, 8-eccentric bushing disk body B, 9-eccentric shaft, 10-key, 11-clamp ring, 12-eccentric bushing, 13-bolt, 14-bolt, 15-connecting rod, the cone angle of α-round table surface, β-clamp ring inner trapezoidal groove two sides angle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details.
Fig. 1 gives the structure of eccentric shaft 9, the face of cylinder 1 is connected with reductor by shaft coupling, bearing is installed at the face of cylinder 2 and 4 place, bearing is connected with base, be used for supporting and fixing eccentric stiffener, the mating part of eccentric shaft 9 is by great circle cylinder A5, round table surface A6 and small cylindrical surface A7 connects to form successively, each convolution face is equal at the end face diameter of junction, the cone angle of round table surface A6 is 8 ° ~ 30 °, be conducive to eccentric shaft 9 fastening and dismounting with eccentric bushing 12 like this, rotation when claiming eccentric shaft 9 to work, namely the axis of eccentric shaft 9 spindle nose is main shaft, eccentric shaft great circle cylinder A5, round table surface A6, the cylindrical dead in line of small cylindrical surface A7 and eccentric shaft 9 projection disk body A3, this axis is parallel with main shaft and there is eccentric throw.
In figure 3, eccentric bushing 12 inside is made up of great circle cylinder B5 ＇, round table surface B6 ＇ and small cylindrical surface B7 ＇, and each convolution face is equal at the end face diameter of junction.Round table surface A6 is identical with the tapering of B6 ＇, eccentric shaft 9 and eccentric bushing 12 are matched in clearance at great circle cylinder A5, B5 ＇ and small cylindrical surface A7, B7 ＇ place, so eccentric bushing 12 can rotate with eccentric adjustment distance easily on eccentric shaft 9,, outside this axis and eccentric bushing 12, there is eccentric throw except the axis being parallel of protruding disk body B8 part in the cylindrical dead in line of protruding disk body B8 outside great circle cylinder B5 ＇, round table surface B6 ＇, small cylindrical surface B7 ＇ and eccentric bushing 12 inside eccentric bushing 12.
In Fig. 2 and Fig. 4, as preferred version of the present invention, disk body A3 circumferentially has 4 keyways, disk body B8 circumferentially has 1 keyway, eccentric bushing 12 is installed on eccentric shaft 9, when keyway on disk body B8 aligns with the keyway of 4 on disk body A3 respectively, 4 eccentric throws preset can be obtained.
Eccentric bushing 12 is installed to after on eccentric shaft 9, and eccentric throw according to actual needs determines the keyway that disk body A3 will align.For the ease of rotating eccentric sleeve 12 on eccentric shaft 9, to regulate the keyway on disk body B8 and the keyway position on disk body A3, circumferentially open 3 unthreaded holes respectively at disk body A3, circumferentially opened 4 unthreaded holes at disk body B8, as shown in Figure 2 and Figure 4.During alignment keyway, can two iron staffs be inserted in the unthreaded hole of two disk body correct positions respectively, rotate iron staff and eccentric shaft 9 and eccentric bushing 12 are relatively rotated, thus regulate the keyway position on two disk bodies, make it align.
In keyway after disk body A3 and disk body B8 aligns, fit on key 10 positions, key 10 limits relatively rotating of eccentric shaft 9 and eccentric bushing 12, such eccentric stiffener not only can obtain accurate eccentric throw, and can keep fixing eccentric throw in operation process.
Clamp ring 11 is made up of two semi-circular portions, as shown in Figure 6, clamp ring inside has groove, the cross section of groove is trapezoidal, and inner angle β=8, trapezoidal groove two sides of clamp ring ° ~ 30 °, are conducive to be fixedly clamped eccentric shaft 9 and eccentric bushing 12, the internal diameter of wherein half clamp ring has a keyway, coordinate with key 10, have stepped hole in the center of keyway, be used for construction bolt.
After eccentric bushing 12 and eccentric shaft 9 are located by key 10, the half clamp ring having keyway is installed on disk body A3 and disk body B8, and keyway coordinates with key 10, key 10 center has screwed hole, and bolt 14 is screwed on key 10 by the stepped hole on clamp ring, makes key 10 produce axial displacement like this, then second half clamp ring is installed, by bolt by fastening for two parts clamp ring, can obtain the eccentric stiffener installed, its installation diagram as shown in Figure 5.
In eccentric stiffener operation process, round table surface A6 and B6 ＇ is blind-mate, so can not radial displacement be produced between eccentric shaft 9 and eccentric bushing 12, key 10 makes eccentric shaft 9 and eccentric bushing 12 to relatively rotate, fixing eccentric throw can be kept, form entirety through the fastening eccentric shaft 9 of clamp ring 11 and eccentric bushing 12, whole eccentric stiffener operates steadily, noiseless, and service life is greatly improved.
When eccentric stiffener needs dismounting, clamp ring 11 and key 10 are pulled down, in Fig. 2 disk body A3 axially have four tapped through holes, be separately installed with 4 bolts 13, the bolt 13 turned on disk body A3 can be dismantled after eccentric bushing 12 and eccentric shaft 9 are departed from easily.
When according to technological requirement, during the eccentric throw of eccentric adjustment mechanism, clamp ring 11 and key 10 are pulled down, respectively on disk body A3 and disk body B8 correct position unthreaded hole in insert iron staff, by rotating iron staff, eccentric bushing 12 is rotated, in order to rotate conveniently, also the bolt 13 on disk body A3 can be turned, after eccentric bushing is ejected certain distance, use iron staff rotating eccentric sleeve 12 again, after the keyway on eccentric bushing 12 aligns with the keyway that eccentric shaft 9 needs, install key 10 and re-start location, half clamp ring with keyway is installed on disk body A3 and disk body B8, coordinate with key 10, screw on after bolt 14, install second half clamp ring, with bolt, it is fastening, the eccentric stiffener with new eccentric throw can be obtained.
Claims (6)
1. the mold oscillation eccentric stiffener without radial clearance, comprise eccentric shaft and eccentric bushing, the mating part of the upper and eccentric bushing (12) of described eccentric shaft (9) is successively by great circle cylinder A (5), round table surface A (6) and small cylindrical surface A (7) is formed by connecting, the mating part of described eccentric bushing (12) inside and eccentric shaft (9) is successively by great circle cylinder B (5 ＇), round table surface B (6 ＇) and small cylindrical surface B (7 ＇) is formed by connecting, great circle cylinder A on described eccentric shaft (9), round table surface A, great circle cylinder B on small cylindrical surface A and eccentric bushing (12), the end face diameter of round table surface B and small cylindrical surface B junction is equal, described round table surface A (6) is identical with the cone angle of round table surface B (6 ＇), described round table surface A (6) and round table surface B (6 ＇) place is blind-mate, described eccentric shaft (9) is at great circle cylinder A, small cylindrical surface A and eccentric bushing (12) are matched in clearance at great circle cylinder B and small cylindrical surface B place, it is characterized in that: described eccentric shaft (9) has a protruding disk body A (3) be connected with great circle cylinder A (5), described eccentric bushing (12) there is the disk body B (8) that equal with disk body A (3) external diameter, described disk body B (8) is connected with great circle cylinder B (5 ＇), described disk body A (3) and disk body B (8) circumferentially have keyway separately, key (10) is installed in the keyway that disk body A (3) and disk body B (8) aligns, by clamp ring (11), disk body A (3) and disk body B (8) is tightened together, described clamp ring (11) is bolted by two semicircles, it is trapezoidal groove that inside has cross section, described disk body A (3) and disk body B (8) are trapezoidal with the mating part cross section of clamp ring (11), the cylindrical dead in line of eccentric shaft great circle cylinder A (5), round table surface A (6), small cylindrical surface A (7) and eccentric shaft (9) projection disk body A (3), the cylindrical axis of this eccentric shaft great circle cylinder A, round table surface A, small cylindrical surface A is parallel with main shaft and there is eccentric throw, the cylindrical dead in line of eccentric bushing (12) inner side great circle cylinder B (5 ＇), the protruding disk body B (8) of round table surface B (6 ＇), small cylindrical surface B (7 ＇) and eccentric bushing (12) outside, inside this eccentric bushing, cylindrical axis and eccentric bushing (12) outside of great circle cylinder B, round table surface B, small cylindrical surface B is removed protruding disk body B (8) axis being parallel partly and there is eccentric throw.
2. the mold oscillation eccentric stiffener without radial clearance according to claim 1, is characterized in that: the cone angle of described round table surface A (6) and B (6 ＇) is 8 ° ~ 30 °.
3. the mold oscillation eccentric stiffener without radial clearance according to claim 1 and 2, it is characterized in that: described disk body B (8) circumferentially have a keyway, described disk body A (3) circumferentially have multiple keyway, on two disk bodies, keyway is measure-alike, and described disk body A (3) and disk body B (8) circumferentially have at least 2 equally distributed unthreaded holes.
4. the mold oscillation eccentric stiffener without radial clearance according to claim 1 and 2, is characterized in that: described disk body A (3) axially has at least 2 equally distributed tapped through holes, is separately installed with bolt (13).
5. the mold oscillation eccentric stiffener without radial clearance according to claim 1, is characterized in that: described clamp ring (11) inner trapezoidal groove two sides angle β is 8 ° ~ 30 °.
6. according to claim 1 or 5 without the mold oscillation eccentric stiffener of radial clearance, it is characterized in that: a semi-circular portions of described clamp ring (11), internal diameter has a keyway, coordinate with key (10), have a stepped hole for construction bolt (14) at keyway center position, in described key (10), have a screwed hole be connected with bolt (14) in the heart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506530.4A CN102990019B (en) | 2012-11-29 | 2012-11-29 | Crystallizer-oscillated eccentric mechanism without radial clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506530.4A CN102990019B (en) | 2012-11-29 | 2012-11-29 | Crystallizer-oscillated eccentric mechanism without radial clearance |
Publications (2)
| Publication Number | Publication Date |
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| CN102990019A CN102990019A (en) | 2013-03-27 |
| CN102990019B true CN102990019B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210506530.4A Expired - Fee Related CN102990019B (en) | 2012-11-29 | 2012-11-29 | Crystallizer-oscillated eccentric mechanism without radial clearance |
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| CN (1) | CN102990019B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216431A (en) * | 2013-05-03 | 2013-07-24 | 苏州稼乐植保机械科技有限公司 | Three-cavity diaphragm pump comprising main shaft provided with limiting structure |
| CN103216430B (en) * | 2013-05-03 | 2015-12-23 | 苏州稼乐植保机械科技有限公司 | Can three chamber diaphragm pumps of quick adjustment main shaft |
| CN104259086B (en) * | 2014-09-12 | 2016-07-06 | 濮阳贝英数控机械设备有限公司 | Eccentric oscillating mechanism and Eccentric Adjusting Method thereof |
| CN113478030B (en) * | 2021-07-23 | 2022-06-10 | 南京航空航天大学 | An adjustable vibration device for pulse dynamic electrolytic machining |
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| CN102990019A (en) | 2013-03-27 |
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