CN103501101B - A kind of non-contact type drive mechanism of high-axiality - Google Patents
A kind of non-contact type drive mechanism of high-axiality Download PDFInfo
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- CN103501101B CN103501101B CN201310444456.2A CN201310444456A CN103501101B CN 103501101 B CN103501101 B CN 103501101B CN 201310444456 A CN201310444456 A CN 201310444456A CN 103501101 B CN103501101 B CN 103501101B
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- bearing
- external rotor
- reference axis
- permanent magnet
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Abstract
The invention belongs to technical field of mechanical transmission, relate to a kind of non-contact type drive mechanism of high-axiality, be mainly applicable to the power transmission occasion that coaxial transmission required precision is higher, transmission stability requirement is higher, sealing property requirement is higher.Comprise separation sleeve, intermediate solid drive shaft, little bearing b, little axle sleeve, internal rotor, permanent magnet A, reference axis, baffle plate, large bearing b, bearing cap, large shaft sleeve, external rotor, mounting panel, permanent magnet B, little bearing a and large bearing a; The present invention's design for benchmark installs internal rotor, external rotor and separation sleeve with same reference axis, reaches and improves the transmission axiality of transmission device and the object of transmission stability, reduce difficulty of processing simultaneously; External rotor adopts the square-section straight flute structure of profile of tooth arrangement, is embedded in straight flute by mounting panel fixing permanent magnet B, and processing, dismounting are simple and easy.Between power shaft of the present invention and output shaft, axiality is high, and the moment of resistance is little, and sealing property is reliable, achieves the contactless power transmission of high-axiality.
Description
Technical field
The invention belongs to technical field of mechanical transmission, be specifically related to a kind of non-contact type drive mechanism of high-axiality, be mainly applicable to the power transmission occasion that coaxial transmission required precision is higher, transmission stability requirement is higher, sealing property requirement is higher.
Background technology
At present, Non-contact Magnetic transmission principle has been widely used in magnetic machinery, as the Related product such as magnetic coupling, magnetic drive pump, its inner non-contact transmission structure is generally made up of internal rotor, external rotor, permanent magnet and separation sleeve etc., inner and outer Rotator is arranged even number sheet permanent magnet, closes by lotus root mutual between the two and form magnetic force systems.But in the traditional structure of this drive technology, master and slave moving axis reference for installation is separated completely, low and the very difficult control of the coaxial precision of transmission, in high-speed drive occasion, the easy phenomenon occurring shake and driving torque instability, as in the screw propulsive mechanism of underwater sailing body, the high and sail body of revolution speed of propeller under water Gesture is steady, and in this type of application, the application of such drive technology was both restricted.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of non-contact type drive mechanism of high-axiality, inner and outer rotors is arranged on same axis by this device, by master and slave moving axis reference for installation complete unity, can eliminate accumulated error.
To achieve these goals, technical scheme of the present invention designs a kind of non-contact type drive mechanism of high-axiality, comprises separation sleeve, intermediate solid drive shaft, little bearing b, little axle sleeve, internal rotor, permanent magnet A, reference axis, baffle plate, large bearing b, bearing cap, large shaft sleeve, external rotor, mounting panel, permanent magnet B, little bearing a and large bearing a;
Described reference axis is provided with the shaft shoulder;
One end of described separation sleeve is openend, and the other end of described separation sleeve has via hole; Land is extended with to the beginning horizontal of separation sleeve at described via hole;
Be annular sleeve structure at described internal rotor, be provided with endoporus shoulder at the two ends of described internal rotor and exit orifice is takeed on;
Described external rotor is annular sleeve structure, radially extends internally form hole shoulder in the stage casing of described external rotor; The side of takeing in described hole is external rotor first installing space, and the opposite side takeed in described hole is external rotor second installing space;
Its annexation is: described separation sleeve to be socketed on described reference axis by via hole and the land outer face of separation sleeve is contacted with the shaft shoulder of reference axis; Described permanent magnet A is fixedly mounted on the outer surface of described internal rotor, and described little bearing a is sleeved in described internal rotor and also conflicts in endoporus shoulder position; Described permanent magnet A, little bearing a and internal rotor entirety after installing to be loaded on described reference axis and the inner ring of described little bearing a is conflicted on described separation sleeve, described little axle sleeve, little bearing b are socketed on reference axis, make the both sides of described little axle sleeve conflict respectively between described little bearing b and little bearing a; Described intermediate solid drive shaft and the exit orifice of described internal rotor are takeed on and are fixedly connected with and make described intermediate solid drive shaft fastening to described little bearing b outer ring; Described external rotor hole shoulder is corresponding with the shaft shoulder of described reference axis to be arranged, conflict on the shoulder of the hole of described external rotor in the first installing space described large bearing a being sleeved on described external rotor, described large bearing a after installing and external rotor entirety to be loaded on reference axis and described large bearing a is conflicted on the shaft shoulder of described reference axis, the first installing space that described large shaft sleeve and large bearing b are enclosed within external rotor makes the both sides of large shaft sleeve conflict between described large bearing a and large bearing b respectively; Described mounting panel and permanent magnet B are arranged on the outer surface of described external rotor second installing space, and the second installing space of described external rotor is matched in clearance with the outer wall of described separation sleeve and makes described permanent magnet B mate corresponding setting with described permanent magnet A; Described baffle plate to be fixedly mounted on described reference axis and to make the conflict of described baffle plate and large bearing b inner ring; Described bearing cap to be arranged on described external rotor and to make the conflict of described bearing cap and large bearing b outer ring.
Uniformly on the outer circumference surface of described internal rotor have rectangle mounting groove, described permanent magnet A is arranged in the rectangle mounting groove of internal rotor.Buffer action can be played to adjacent permanent magnet A, and be convenient to install.
Above on the wall of described external rotor second installing space uniformly have mounting groove, the inner chamber of described mounting groove stage casing and described external rotor is through, and described permanent magnet B is arranged in the mounting groove of external rotor, and described mounting panel is overlapped on the step outside in described mounting groove.Buffer action can be played to adjacent permanent magnet B, and be convenient to install, and simplify the shape of permanent magnet B, save cost.
Also include O-ring seals, described O-ring seals is arranged between separation sleeve and reference axis.Change movable sealing into static seal, improve sealing reliability.
Also comprise locking nut, described locking nut to be arranged on described reference axis and described little bearing b, little axle sleeve, separation sleeve to be fastened on described reference axis.Better can play fastening effect.
Advantage of the present invention and beneficial effect are: because inner and outer rotors is arranged on same axis by the present invention, by master and slave moving axis reference for installation complete unity, can eliminate accumulated error; In high-speed drive occasion, not easily there is the phenomenon of shake and driving torque instability; Because the present invention is coaxial installation, installation can be made simple and reliable.Have rectangle mounting groove due to uniform on the outer circumference surface of described internal rotor, described permanent magnet A is arranged in the rectangle mounting groove of internal rotor; Buffer action can be played to adjacent permanent magnet A, and be convenient to install.Mounting groove is had due to above uniform on the wall of described external rotor second installing space, the inner chamber of described mounting groove stage casing and described external rotor is through, described permanent magnet B is arranged in the mounting groove of external rotor, and described mounting panel is overlapped on the step in outside in described mounting groove; Buffer action can be played to adjacent permanent magnet B, and be convenient to install, and simplify the shape of permanent magnet B, save cost.Owing to also including O-ring seals, described O-ring seals is arranged between separation sleeve and reference axis; Change movable sealing into static seal, improve sealing reliability.Owing to also comprising locking nut, described locking nut to be arranged on described reference axis and to be fastened on described reference axis by described little bearing b, little axle sleeve, separation sleeve; Better can play fastening effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is external rotor three-dimensional structure schematic diagram of the present invention;
Fig. 3 is internal rotor three-dimensional structure schematic diagram of the present invention;
Fig. 4 is separation sleeve three-dimensional structure schematic diagram of the present invention.
Wherein, 1-separation sleeve; 2-intermediate solid drive shaft; 3-locking nut; The little bearing b of 4-; The little axle sleeve of 5-; 6-internal rotor; 7-permanent magnet A; 8-O shape sealing ring; 9-reference axis; 10-baffle plate; The large bearing b of 11-; 12-bearing cap; 13-large shaft sleeve; 14-external rotor; 15-mounting panel; 16-permanent magnet B; The little bearing a of 17-; The large bearing a of 18-.
Embodiment
Be further described the specific embodiment of the present invention below in conjunction with drawings and Examples, following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figures 1 to 4, the technical scheme that the present invention specifically implements is: a kind of non-contact type drive mechanism of high-axiality, is characterized in that: comprise separation sleeve 1, intermediate solid drive shaft 2, little bearing b4, little axle sleeve 5, internal rotor 6, permanent magnet A7, reference axis 9, baffle plate 10, large bearing b11, bearing cap 12, large shaft sleeve 13, external rotor 14, mounting panel 15, permanent magnet B16, little bearing a17 and large bearing a18;
Described reference axis 9 is provided with the shaft shoulder;
One end of described separation sleeve 1 is openend, and the other end of described separation sleeve 1 has via hole; Land is extended with to the beginning horizontal of separation sleeve 1 at described via hole;
Be annular sleeve structure at described internal rotor 6, be provided with endoporus shoulder at the two ends of described internal rotor 6 and exit orifice is takeed on;
Described external rotor 14 is annular sleeve structure, radially extends internally form hole shoulder in the stage casing of described external rotor 14; The side of takeing in described hole is external rotor 14 first installing space, and the opposite side takeed in described hole is external rotor 14 second installing space;
Its annexation is: described separation sleeve 1 to be socketed on described reference axis 9 by via hole and the land outer face of separation sleeve 1 is contacted with the shaft shoulder of reference axis 9; Described permanent magnet A7 is fixedly mounted on the outer surface of described internal rotor 6, and described little bearing a17 is sleeved in described internal rotor 6 and also conflicts in endoporus shoulder position; Described permanent magnet A7, little bearing a17 and internal rotor 6 entirety after installing to be loaded on described reference axis 9 and the inner ring of described little bearing a17 is conflicted on described separation sleeve 1, described little axle sleeve 5, little bearing b4 are socketed on reference axis 9, make the both sides of described little axle sleeve 5 conflict respectively between described little bearing b4 and little bearing a17; Described intermediate solid drive shaft 2 and the exit orifice of described internal rotor 6 are takeed on and are fixedly connected with and make described intermediate solid drive shaft 2 fastening to described little bearing b4 outer ring; Described external rotor 14 hole shoulder is corresponding with the shaft shoulder of described reference axis 9 to be arranged, conflict on the shoulder of the hole of described external rotor 14 in the first installing space described large bearing a18 being sleeved on described external rotor 14, described large bearing a18 after installing and external rotor 14 entirety to be loaded on reference axis 9 and described large bearing a18 is conflicted on the shaft shoulder of described reference axis 9, the first installing space that described large shaft sleeve 13 and large bearing b11 are enclosed within external rotor 14 makes the both sides of large shaft sleeve 13 conflict between described large bearing a18 and large bearing b11 respectively; Described mounting panel 15 and permanent magnet B16 are arranged on the outer surface of described external rotor 14 second installing space, and the second installing space of described external rotor 14 is matched in clearance with the outer wall of described separation sleeve 1 and makes described permanent magnet B16 mate corresponding setting with described permanent magnet A7; Described baffle plate 10 to be fixedly mounted on described reference axis 9 and to make the conflict of described baffle plate 10 and large bearing b11 inner ring; Described bearing cap 12 to be arranged on described external rotor 14 and to make the conflict of described bearing cap 12 and large bearing b11 outer ring.
As shown in Figure 3, uniformly on the outer circumference surface of described internal rotor 6 have rectangle mounting groove, described permanent magnet A7 is arranged in the rectangle mounting groove of internal rotor 6.Buffer action can be played to adjacent permanent magnet A7, and be convenient to install.
As shown in Figure 2, above on the wall of described external rotor 14 second installing space uniformly have mounting groove, the inner chamber of described mounting groove stage casing and described external rotor 14 is through, and described permanent magnet B16 is arranged in the mounting groove of external rotor 14, and described mounting panel 15 is overlapped on the step in outside in described mounting groove.Buffer action can be played to adjacent permanent magnet B16, and be convenient to install, and simplify the shape of permanent magnet B16, save cost.
Also include O-ring seals 8, described O-ring seals 8 is arranged between separation sleeve 1 and reference axis 9.Change movable sealing into static seal, improve sealing reliability.
Also comprise locking nut 3, described locking nut 3 to be arranged on described reference axis 9 and described little bearing b4, little axle sleeve 5, separation sleeve 1 to be fastened on described reference axis 9.Better can play fastening effect.
The present invention is achieved in that external rotor 14 is as drive end, and drive end drives by external force and rotates, and attract permanent magnet A7 by permanent magnet B16 and then drive internal rotor 6 to rotate, power is exported by intermediate solid drive shaft 2 by internal rotor 6.
Structural design of the present invention all with reference axis 9 for reference for installation, internal rotor 6 and external rotor 14 install after coaxial precision high, stable drive, sealing structure is reliable, existing for non-contact type drive mechanism in embodiment, calculates the coaxial precision of this embodiment transmission.The coaxiality error τ of the little bearing inner race reference for installation axis of internal rotor 6 permanent magnet A7 mounting circular ring face datum axis relative datum axle 9 is got respectively by 7 class precisions in " GB/T 1182-2008 shape and position of related features "
1=0.025mm, getting the large bearing inner race reference for installation axis coaxle degree error of external rotor 14 permanent magnet mounting circular ring face datum axis relative datum axle 9 is τ
2=0.03mm, gets the axiality τ of large bearing inner race reference for installation axis relatively little bearing inner race reference for installation axis
3=0.02mm, then the axiality of the relative external rotor datum axis of internal rotor datum axis is τ
0for:
τ
0＝τ
1+τ
2+τ
3＝0.025+0.03+0.02mm＝0.075mm。
The present invention has been applied on the screw propulsive mechanism of certain underwater sailing body, and its transmission device operates steadily, and sealing is reliable, and maximum delivered moment of torsion can reach 30Nm.
The above is only preferred embodiments 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 improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a non-contact type drive mechanism for high-axiality, is characterized in that: comprise separation sleeve (1), intermediate solid drive shaft (2), little bearing b (4), little axle sleeve (5), internal rotor (6), permanent magnet A (7), reference axis (9), baffle plate (10), large bearing b (11), bearing cap (12), large shaft sleeve (13), external rotor (14), mounting panel (15), permanent magnet B (16), little bearing a (17) and large bearing a (18);
Described reference axis (9) is provided with the shaft shoulder;
One end of described separation sleeve (1) is openend, and the other end of described separation sleeve (1) has via hole; Land is had to the openend horizontal-extending of separation sleeve (1) at described via hole;
Be annular sleeve structure at described internal rotor (6), be provided with endoporus shoulder at the two ends of described internal rotor (6) and exit orifice is takeed on;
Described external rotor (14) is annular sleeve structure, radially extends internally form hole shoulder in the stage casing of described external rotor (14); The side of takeing in described hole is external rotor (14) first installing space, and the opposite side takeed in described hole is external rotor (14) second installing space;
Its annexation is: described separation sleeve (1) is socketed in described reference axis (9) by via hole and goes up and the land outer face of separation sleeve (1) is contacted with the shaft shoulder of reference axis (9), described permanent magnet A (7) is fixedly mounted on the outer surface of described internal rotor (6), and described little bearing a (17) is sleeved in described internal rotor (6) also to be conflicted in endoporus shoulder position, described permanent magnet A (7) after installation, little bearing a (17) and internal rotor (6) entirety are loaded described reference axis (9) go up and the inner ring of described little bearing a (17) is conflicted on described separation sleeve (1), described little axle sleeve (5), little bearing b (4) are socketed on reference axis (9), are conflicted described little bearing b (4) and little bearing a (17) respectively in the both sides of described little axle sleeve (5), described intermediate solid drive shaft (2) and the exit orifice of described internal rotor (6) are takeed on and are fixedly connected with and make described intermediate solid drive shaft (2) fastening to described little bearing b (4) outer ring, described external rotor (14) hole shoulder is corresponding with the shaft shoulder of described reference axis (9) to be arranged, described large bearing a (18) is sleeved on the interior also conflict of the first installing space of described external rotor (14) on the shoulder of the hole of described external rotor (14), described large bearing a (18) after installation and external rotor (14) entirety are loaded reference axis (9) go up and described large bearing a (18) is conflicted on the shaft shoulder of described reference axis (9), the first installing space that described large shaft sleeve (13) and large bearing b (11) are enclosed within external rotor (14) make the both sides of large shaft sleeve (13) conflict respectively described large bearing a (18) and large bearing b (11), described mounting panel (15) and permanent magnet B (16) are arranged on the outer surface of described external rotor (14) second installing space, and the second installing space of described external rotor (14) is matched in clearance with the outer wall of described separation sleeve (1) and makes described permanent magnet B (16) mate corresponding setting with described permanent magnet A (7), described baffle plate (10) is fixedly mounted on described reference axis (9) and goes up and described baffle plate (10) is conflicted with the inner ring of large bearing b (11), described bearing cap (12) is arranged on described external rotor (14) and goes up and described bearing cap (12) is conflicted with the outer ring of large bearing b (11).
2. the non-contact type drive mechanism of a kind of high-axiality according to claim 1, it is characterized in that: uniformly on the outer circumference surface of described internal rotor (6) have rectangle mounting groove, described permanent magnet A (7) is arranged in the rectangle mounting groove of internal rotor (6).
3. the non-contact type drive mechanism of a kind of high-axiality according to claim 1, it is characterized in that: uniformly on the wall of described external rotor (14) second installing space have mounting groove, the inner chamber of described mounting groove stage casing and described external rotor (14) is through, described permanent magnet B (16) is arranged in the mounting groove of external rotor (14), and described mounting panel (15) is overlapped on the step at two ends in described mounting groove.
4. the non-contact type drive mechanism of a kind of high-axiality according to claim 1,2 or 3, it is characterized in that: also include O-ring seals (8), described O-ring seals (8) is arranged between separation sleeve (1) and reference axis (9).
5. the non-contact type drive mechanism of a kind of high-axiality according to claim 1,2 or 3, it is characterized in that: also comprise locking nut (3), described locking nut (3) is arranged on described reference axis (9) and goes up and described little bearing b (4), little axle sleeve (5), separation sleeve (1) be fastened on described reference axis (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444456.2A CN103501101B (en) | 2013-09-26 | 2013-09-26 | A kind of non-contact type drive mechanism of high-axiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444456.2A CN103501101B (en) | 2013-09-26 | 2013-09-26 | A kind of non-contact type drive mechanism of high-axiality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103501101A CN103501101A (en) | 2014-01-08 |
| CN103501101B true CN103501101B (en) | 2015-10-21 |
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| CN201310444456.2A Expired - Fee Related CN103501101B (en) | 2013-09-26 | 2013-09-26 | A kind of non-contact type drive mechanism of high-axiality |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107327570B (en) * | 2016-04-28 | 2018-10-19 | 哈尔滨歌瑞得莱机器人制造有限公司 | Synchronize double magnet ring driving sealing devices |
| CN110115523A (en) * | 2018-02-06 | 2019-08-13 | 佛山市顺德区美的电热电器制造有限公司 | Interior DPU disk pack unit, stirring toolbox and food cooking machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006060986A1 (en) * | 2006-12-20 | 2008-06-26 | Robert Bosch Gmbh | Magnetic torque limiter |
| CN101325360A (en) * | 2008-07-14 | 2008-12-17 | 大连理工大学 | Magnetic force driver |
| CN201345603Y (en) * | 2008-12-09 | 2009-11-11 | 张家港力勤机械有限公司 | Shaft coupling |
| CN101931308B (en) * | 2009-06-22 | 2012-09-26 | 余亚莉 | Permanent magnet coupling device for cylindrical transmission shaft |
| JP2013150408A (en) * | 2012-01-18 | 2013-08-01 | Mitsubishi Heavy Ind Ltd | Rotary machine |
| CN203537210U (en) * | 2013-09-26 | 2014-04-09 | 中国船舶重工集团公司第七一〇研究所 | Non-contact type transmission device with high coaxiality |
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Granted publication date: 20151021 Termination date: 20180926 |