CN103501101A - Non-contact type transmission device with high coaxiality - Google Patents
Non-contact type transmission device with high coaxiality Download PDFInfo
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- CN103501101A CN103501101A CN201310444456.2A CN201310444456A CN103501101A CN 103501101 A CN103501101 A CN 103501101A CN 201310444456 A CN201310444456 A CN 201310444456A CN 103501101 A CN103501101 A CN 103501101A
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Abstract
The invention belongs to the technical field of mechanical transmission, and relates to a non-contact type transmission device with high coaxiality. The device is mainly suitable for power transmission occasions with higher coaxial transmission precision requirement, higher transmission stability requirement and higher sealing performance requirement. The device comprises an isolation sleeve, an inner transmission shaft, a small bearing b, a small shaft sleeve, an inner rotor, a permanent magnet A, a reference shaft, a retaining plate, a large bearing b, a bearing cover, a large shaft sleeve, an outer rotor, a mounting plate, a permanent magnet B, a small bearing a and a large bearing b. The device has the advantages that by using the same reference shaft as the reference, the inner rotor, the outer rotor and the isolation sleeve are arranged, so the purpose of improving the transmission coaxiality and the transmission stability of the transmission device is realized, and meanwhile, the processing difficulty is reduced; the outer rotor adopts a tooth-arranged straight groove structure with a rectangular cross section, and the permanent magnet B is fixed by the mounting plate and is embedded in the straight groove structure, so the processing and the disassembly are simple; the coaxiality between an input shaft and an output shaft is high, the resistance moment is small, the sealing performance is reliable, and the non-contact type power transmission with high coaxiality is realized.
Description
Technical field
The invention belongs to the mechanical transmissioning technology field, be specifically related to a kind of non-contact type drive mechanism of high-axiality, mainly be applicable to the power transmission occasion that the coaxial transmission required precision is higher, transmission stability is had relatively high expectations, sealing property is had relatively high expectations.
Background technology
At present, the Non-contact Magnetic transmission principle has been widely used in magnetic machinery, as Related products such as magnetic coupling, magnetic drive pumps, its inner non-contact transmission structure generally is comprised of internal rotor, external rotor, permanent magnet and separation sleeve etc., arrange even number sheet permanent magnet on inner and outer Rotator, by the two mutual lotus root, close the formation magnetic force systems.But in the traditional structure of this drive technology, master and slave moving axis reference for installation separates fully, low and the very difficult control of the coaxial precision of transmission, in the high-speed drive occasion, be prone to shake and the unsettled phenomenon of driving torque, in screw propulsive mechanism as underwater sailing body, Gesture is steady under water for the high and sail body of revolution speed of propeller, and in this type of application, the application of such drive technology both was 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, this device is arranged on inner and outer rotors on same axis, can, by master and slave moving axis reference for installation complete unity, eliminate accumulated error.
To achieve these goals, technical scheme of the present invention is the non-contact type drive mechanism of a kind of high-axiality of design, 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;
Be provided with the shaft shoulder on described reference axis;
One end of described separation sleeve is openend, and the other end of described separation sleeve has via hole; To the beginning horizontal-extending of separation sleeve, the ring platform is arranged at described via hole;
Be annular nested structure at described internal rotor, be provided with endoporus shoulder and outer hole shoulder at the two ends of described internal rotor;
Described external rotor is annular nested structure, radially extends internally in the stage casing of described external rotor and forms the hole shoulder; A side at described hole shoulder is external rotor the first installing space, and the opposite side of takeing in described hole is external rotor the second installing space;
Its annexation is: described separation sleeve is socketed on described reference axis by via hole and the Huan Tai 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 conflicts in endoporus shoulder position; Described permanent magnet A, little bearing a after installing and internal rotor integral body are packed on described reference axis and the inner ring of described little bearing a is conflicted on described separation sleeve, on described little axle sleeve, little bearing b socket reference axis, conflicted respectively between described little bearing b and little bearing a in the both sides of described little axle sleeve; Described intermediate solid drive shaft is fixedly connected with and makes described intermediate solid drive shaft fastening to described little bearing b outer ring with the outer hole shoulder of described internal rotor; The corresponding setting of the shaft shoulder with described reference axis is takeed in described external rotor hole, described large bearing a be sleeved in the first installing space of described external rotor and conflict on the shoulder of the hole of described external rotor, described large bearing a after installing and external rotor integral body are packed on reference axis and described large bearing a is conflicted on the shaft shoulder of described reference axis, and described large shaft sleeve and large bearing b are enclosed within on the first installing space of external rotor and are conflicted respectively between described large bearing a and large bearing b in the both sides of large shaft sleeve; Described mounting panel and permanent magnet B are arranged on the outer surface of described external rotor the 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 and the corresponding setting of described permanent magnet A coupling; Described baffle plate is fixedly mounted on described reference axis and makes described baffle plate and the conflict of bearing b inner ring greatly; Described bearing cap is arranged on described external rotor and makes described bearing cap and the conflict of bearing b outer ring greatly.
The uniform rectangle mounting groove that has on the outer circumference surface of described internal rotor, described permanent magnet A is arranged in the rectangle mounting groove of internal rotor.Can play buffer action to adjacent permanent magnet A, and be convenient to install.
The upper uniform mounting groove that has on the wall of described external rotor the second installing space, the inner chamber of described mounting groove stage casing and described external rotor connects, and described permanent magnet B is arranged in the mounting groove of external rotor, and described mounting panel is overlapped on the step in the outside in described mounting groove.Can play buffer action 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, improved sealing reliability.
Also comprise locking nut, described locking nut is arranged on described reference axis and described little bearing b, little axle sleeve, separation sleeve is fastened on described reference axis.Can better play fastening effect.
Advantage of the present invention and beneficial effect are: because the present invention is arranged on inner and outer rotors on same axis, can, by master and slave moving axis reference for installation complete unity, can eliminate accumulated error; In the high-speed drive occasion, be not prone to shake and the unsettled phenomenon of driving torque; Because the present invention is coaxial the installation, can make to install simple and reliable.Due to the uniform rectangle mounting groove that has on the outer circumference surface of described internal rotor, described permanent magnet A is arranged in the rectangle mounting groove of internal rotor; Can play buffer action to adjacent permanent magnet A, and be convenient to install.Due to the upper uniform mounting groove that has on the wall of described external rotor the second installing space, the inner chamber of described mounting groove stage casing and described external rotor connects, described permanent magnet B is arranged in the mounting groove of external rotor, and described mounting panel is overlapped on the step in the outside in described mounting groove; Can play buffer action 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, improved sealing reliability.Owing to also comprising locking nut, described locking nut is arranged on described reference axis and described little bearing b, little axle sleeve, separation sleeve is fastened on described reference axis; Can better play fastening effect.
The 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; The 2-intermediate solid drive shaft; The 3-locking nut; The little bearing b of 4-; The little axle sleeve of 5-; The 6-internal rotor; 7-permanent magnet A; 8-O shape sealing ring; The 9-reference axis; The 10-baffle plate; The large bearing b of 11-; The 12-bearing cap; The 13-large shaft sleeve; The 14-external rotor; The 15-mounting panel; 16-permanent magnet B; The little bearing a of 17-; The large bearing a of 18-.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described, following examples are only for technical scheme of the present invention more clearly is described, and can not limit the scope of the invention with this.
As shown in Figures 1 to 4, the concrete technical scheme of implementing of the present invention 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;
Be provided with the shaft shoulder on described reference axis 9;
One end of described separation sleeve 1 is openend, and the other end of described separation sleeve 1 has via hole; To the beginning horizontal-extending of separation sleeve 1, the ring platform is arranged at described via hole;
Be annular nested structure at described internal rotor 6, be provided with endoporus shoulder and outer hole shoulder at the two ends of described internal rotor 6;
Described external rotor 14 is annular nested structure, radially extends internally in the stage casing of described external rotor 14 and forms the hole shoulder; A side at described hole shoulder is external rotor 14 first installing spaces, and the opposite side of takeing in described hole is external rotor 14 second installing spaces;
Its annexation is: described separation sleeve 1 is socketed on described reference axis 9 by via hole and the Huan Tai 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 conflicts in endoporus shoulder position; Described permanent magnet A7, little bearing a17 after installing and internal rotor 6 integral body are packed on described reference axis 9 and the inner ring of described little bearing a17 is conflicted on described separation sleeve 1, on described little axle sleeve 5, little bearing b4 socket reference axis 9, conflicted respectively between described little bearing b4 and little bearing a17 in the both sides of described little axle sleeve 5; Described intermediate solid drive shaft 2 is fixedly connected with and makes 2 pairs of described little bearing b4 outer rings of described intermediate solid drive shaft fastening with the outer hole shoulder of described internal rotor 6; The corresponding setting of the shaft shoulder with described reference axis 9 is takeed in described external rotor 14 holes, described large bearing a18 be sleeved in the first installing space of described external rotor 14 and conflict on the shoulder of the hole of described external rotor 14, described large bearing a18 after installing and external rotor 14 integral body are packed on reference axis 9 and described large bearing a18 is conflicted on the shaft shoulder of described reference axis 9, and described large shaft sleeve 13 and large bearing b11 are enclosed within on the first installing space of external rotor 14 and are conflicted respectively between described large bearing a18 and large bearing b11 in the both sides of large shaft sleeve 13; Described mounting panel 15 and permanent magnet B16 are arranged on the outer surface of described external rotor 14 second installing spaces, 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 and the corresponding setting of described permanent magnet A7 coupling; Described baffle plate 10 is fixedly mounted on described reference axis 9 and makes described baffle plate 10 and the conflict of bearing b11 inner ring greatly; Described bearing cap 12 is arranged on described external rotor 14 and makes described bearing cap 12 and the conflict of bearing b11 outer ring greatly.
As shown in Figure 3, the uniform rectangle mounting groove that has on the outer circumference surface of described internal rotor 6, described permanent magnet A7 is arranged in the rectangle mounting groove of internal rotor 6.Can play buffer action to adjacent permanent magnet A7, and be convenient to install.
As shown in Figure 2, the upper uniform mounting groove that has on the wall of described external rotor 14 second installing spaces, the inner chamber of described mounting groove stage casing and described external rotor 14 connects, 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 the outside in described mounting groove.Can play buffer action 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, improved sealing reliability.
Also comprise locking nut 3, described locking nut 3 is arranged on described reference axis 9 and described little bearing b4, little axle sleeve 5, separation sleeve 1 is fastened on described reference axis 9.Can better play fastening effect.
The present invention is achieved in that external rotor 14 is as drive end, and drive end is subject to external force to drive rotation, by permanent magnet B16, attracts permanent magnet A7 and then drives internal rotor 6 rotations, and internal rotor 6 is exported power by intermediate solid drive shaft 2.
Structural design of the present invention all be take reference axis 9 as reference for installation, and the coaxial precision after internal rotor 6 and external rotor 14 installed is high, stable drive, and sealing structure is reliable, and existing to take non-contact type drive mechanism in embodiment be example, calculates the coaxial precision of this embodiment transmission.Get respectively the coaxiality error τ of internal rotor 6 permanent magnet A7 mounting circular ring face datum axis relative datum axle 9 little bearing inner race reference for installation axis 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, get the axiality τ of the relatively little bearing inner race reference for installation of large bearing inner race reference for installation axis axis
3=0.02mm, 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 the maximum delivered moment of torsion can reach 30Nm.
The above is only preferential execution mode of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away 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. the non-contact type drive mechanism of a 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 bearing a(18 greatly);
Be provided with the shaft shoulder on described reference axis (9);
One end of described separation sleeve (1) is openend, and the other end of described separation sleeve (1) has via hole; To the beginning horizontal-extending of separation sleeve (1), the ring platform is arranged at described via hole;
Be annular nested structure at described internal rotor (6), be provided with endoporus shoulder and outer hole shoulder at the two ends of described internal rotor (6);
Described external rotor (14) is annular nested structure, radially extends internally in the stage casing of described external rotor (14) and forms the hole shoulder; A side at described hole shoulder is external rotor (14) first installing spaces, and the opposite side of takeing in described hole is external rotor (14) second installing spaces;
Its annexation is: described separation sleeve (1) is socketed in described reference axis (9) by via hole and goes up and make the Huan Tai outer face of separation sleeve (1) to contact with the shaft shoulder of reference axis (9), described permanent magnet A(7) be fixedly mounted on the outer surface of described internal rotor (6) described little bearing a(17) be sleeved in described internal rotor (6) and conflict in endoporus shoulder position, by the described permanent magnet A(7 after installing), little bearing a(17) and internal rotor (6) the integral body described reference axis (9) of packing into go up and make described little bearing a(17) the inner ring conflict on described separation sleeve (1), described little axle sleeve (5), little bearing b(4) be socketed reference axis (9) above, conflicted respectively at described little bearing b(4 in the both sides of described little axle sleeve (5)) and little bearing a(17) between, the outer hole shoulder of described intermediate solid drive shaft (2) and described internal rotor (6) is fixedly connected with and makes described intermediate solid drive shaft (2) to described little bearing b(4) outer ring is fastening, the corresponding setting of the shaft shoulder with described reference axis (9) is takeed in described external rotor (14) hole, by described large bearing a(18) be 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), by the described large bearing a(18 after installing) and external rotor (14) the integral body reference axis (9) of packing into go up and make described large bearing a(18) conflict is on the shaft shoulder of described reference axis (9), described large shaft sleeve (13) and large bearing b(11) be enclosed within on the first installing space of external rotor (14) and make the both sides of large shaft sleeve (13) the described large bearing a(18 that conflicts respectively) and bearing b(11 greatly) between, described mounting panel (15) and permanent magnet B(16) be arranged on the outer surface of described external rotor (14) second installing spaces, the second installing space of described external rotor (14) is matched in clearance and makes described permanent magnet B(16 with the outer wall of described separation sleeve (1)) with described permanent magnet A(7) coupling corresponding setting, described baffle plate (10) is fixedly mounted on described reference axis (9) and goes up and make described baffle plate (10) and large bearing b(11) conflict of inner ring, described bearing cap (12) is arranged on described external rotor (14) and goes up and make described bearing cap (12) and large bearing b(11) conflict of outer ring.
2. the non-contact type drive mechanism of a kind of high-axiality according to claim 1, it is characterized in that: the uniform rectangle mounting groove that has on the outer circumference surface of described internal rotor (6), described permanent magnet A(7) be 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: the upper uniform mounting groove that has on the wall of described external rotor (14) second installing spaces, the inner chamber of described mounting groove stage casing and described external rotor (14) connects, described permanent magnet B(16) be arranged in the mounting groove of external rotor (14), described mounting panel (15) is overlapped on the step in the outside in described mounting groove.
4. according to the non-contact type drive mechanism of claim 1,2 or 3 described a kind of high-axialities, 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. according to the non-contact type drive mechanism of claim 1,2 or 3 described a kind of high-axialities, it is characterized in that: also comprise locking nut (3), described locking nut (3) be arranged on that described reference axis (9) is gone up and by 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN103501101A true CN103501101A (en) | 2014-01-08 |
| CN103501101B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327570A (en) * | 2016-04-28 | 2017-11-07 | 哈尔滨歌瑞得莱机器人制造有限公司 | Synchronous 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 |
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| 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 |
| WO2010148991A1 (en) * | 2009-06-22 | 2010-12-29 | Yu Yali | 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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2013
- 2013-09-26 CN CN201310444456.2A patent/CN103501101B/en not_active Expired - Fee Related
Patent Citations (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 |
| WO2010148991A1 (en) * | 2009-06-22 | 2010-12-29 | Yu Yali | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327570A (en) * | 2016-04-28 | 2017-11-07 | 哈尔滨歌瑞得莱机器人制造有限公司 | Synchronous double magnet ring driving sealing devices |
| 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 |
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| CN103501101B (en) | 2015-10-21 |
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