CN104779744A - Direct-current permanent magnet servomotor - Google Patents
Direct-current permanent magnet servomotor Download PDFInfo
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- CN104779744A CN104779744A CN201510187429.0A CN201510187429A CN104779744A CN 104779744 A CN104779744 A CN 104779744A CN 201510187429 A CN201510187429 A CN 201510187429A CN 104779744 A CN104779744 A CN 104779744A
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- rotor
- rotating shaft
- permanent magnet
- shell
- end cover
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Abstract
The invention relates to a direct-current permanent magnet servomotor. The servomotor comprises a housing (11), a front end cover(1), a rear end cover (12) and a rotating shaft (2), and further comprises a rotor (3), a set of stator magnetic steel (6), two brush devices, a main rotor commutator (4) and a speed testing rotor commutator (5), wherein the housing (11), the front end cover (1) and the rear end cover (12) form a motor housing; one end of the rotating shaft(2) penetrates through the front end cover (1) to be connected with a rear rotating shaft seat (7) on the rear end cover (12); the rotating shaft (2) is fixed on the front end cover (1) through the front rotating shaft seat (7). According to the direct-current permanent magnet servomotor disclosed by the invention, two sets of windings are changed into one set of windings, part of material parts of the conventional speed testing part are eliminated, and many working procedures are decreased during production, the technology difficulty is reduced, and the manufacturing efficiency is also improved; besides, components are decreased, the accumulated errors of parts are decreased, the assembling errors of the whole motor are decreased, and the performance is also improved.
Description
Technical field
The present invention relates to minisize dc permanent magnetic servo-motor manufacturing technology, particularly a kind of DC permanent magnet servomotor.
Background technology
Traditional DC permanent magnet servomotor (with tachogenerator as feedback signal), be made up of two parts as shown in Figure 1, mair motor part and speed measuring motor part, mair motor drags as DC motor, be connected with DC motor rotating shaft by hollow shaft, test the speed part and DC motor run-in synchronism, commutator feedback signal thus reach the effect of speed and Position Control, conventional motor has two rotor cores, both main rotor 1-4 and the rotor 1-5 that tests the speed; Two commutators, both main rotor commutator 1-1 and the commutator 1-2 that tests the speed; Two cover magnetic steel of stator, both main stator magnet steel 1-3 and the magnetic steel of stator 1-6 that tests the speed.Due to final assembly spatial limitation, sometimes need the length shortening whole motor.Owing to employing two rotor cores, two commutators, two cover magnetic steel of stator, and two rotors will be made on same axis, and the rotor that tests the speed must be made hollow rotating shaft and be enclosed within main rotor shaft, processing and assembly difficulty larger.Motor length is also very long is not on the other hand suitable for some have requirement occasion to space.Thus cost is high, production efficiency is low.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, provide a kind of structure simple, easily produce, cost is low, and easily uses installation; Reduce cost and usage space, also save a lot of operation, improve production efficiency at process aspect, tachogenerator signal feedback reaches a kind of DC permanent magnet servomotor of effect same.
The technical solution used in the present invention is such: comprise shell 11, front end housing 1, rear end cap 12 and rotating shaft 2, wherein also comprises 1 rotor 3,1 and overlaps magnetic steel of stator 6,2 brushgears, 1 main rotor commutator 4 and 1 rotor commutator 5 that tests the speed; Described shell 11, front end housing 1 and rear end cap 12 form motor casing; One end of described rotating shaft 2 is connected with the rear shaft seat 7 on rear end cap 12 through front end housing 1; Rotating shaft 2 is fixed on front end housing 1 by forward axle bed 7; Described rotor 3 is arranged on the middle end position of rotating shaft 2; Described main rotor commutator 4 and the rotor commutator 5 that tests the speed lay respectively at the rear and front end of rotor 3; Described magnetic steel of stator 6 is installed on the inwall of end position in shell 11; Described shell 11 has 2 brushgear installing holes; Described brushgear is fixed on shell 11 by brushgear installing hole.
Further, described brushgear is made up of mounting seat 14 and wiper mechanism; Described wiper mechanism comprises carbon brush for electric machine 13, spring 17 and bracing frame 15; Described bracing frame 15 is fixed in mounting seat 14 by dop 16.
Further, described shell 11, front end housing 1 and rear end cap 12 are fixed together by screw 8.
Further, the position of described main rotor commutator 4 and the rotor commutator 5 that tests the speed respectively with the position of 2 brushgears relative to; The lower surface of described carbon brush for electric machine 13 and the outer surface of main rotor commutator 4 and the rotor commutator 5 that tests the speed fit.
Further, the position of described magnetic steel of stator 6 is corresponding with the position of rotor 3.
Further, described shell 11 is provided with wire guide 8.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, structure of the present invention is simple, and easily produce, cost is low, and easily uses installation.
2, DC permanent magnet servomotor of the present invention, uses a set of rotor windings compared to the product mair motor of prior art and speed measuring motor, only has a rotor core, a set of magnetic steel of stator, two commutators.Use a set of winding to reduce cost and usage space, be also suitable for some have requirement workplace to space.
3, the present invention changes double winding into a set of winding, the part that tests the speed eliminates part materials and parts, production decreases a lot of operation, reduce technology difficulty, also improve make efficiency, parts reduce simultaneously, and the accumulated error of part reduces, the rigging error of whole motor is improved, and performance also can improve.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is prior art direct current machine schematic diagram;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 is brushgear schematic diagram of the present invention.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figures 2 and 3, a kind of DC permanent magnet servomotor, comprises shell 11, front end housing 1, rear end cap 12 and rotating shaft 2, wherein also comprises 1 rotor 3,1 and overlaps magnetic steel of stator 6,2 brushgears, 1 main rotor commutator 4 and 1 rotor commutator 5 that tests the speed; Described shell 11, front end housing 1 and rear end cap 12 form motor casing; One end of described rotating shaft 2 is connected with the rear shaft seat 7 on rear end cap 12 through front end housing 1; Rotating shaft 2 is fixed on front end housing 1 by forward axle bed 7; Described rotor 3 is arranged on the middle end position of rotating shaft 2; Described main rotor commutator 4 and the rotor commutator 5 that tests the speed lay respectively at the rear and front end of rotor 3; Described magnetic steel of stator 6 is installed on the inwall of end position in shell 11; Described shell 11 has 2 brushgear installing holes; Described brushgear is fixed on shell 11 by brushgear installing hole.
Preferably, described brushgear is made up of mounting seat 14 and wiper mechanism; Described wiper mechanism comprises carbon brush for electric machine 13, spring 17 and bracing frame 15; Described bracing frame 15 is fixed in mounting seat 14 by dop 16.
Preferably, described shell 11, front end housing 1 and rear end cap 12 are fixed together by screw 8.
Preferably, the position of described main rotor commutator 4 and the rotor commutator 5 that tests the speed respectively with the position of 2 brushgears relative to; The lower surface of described carbon brush for electric machine 13 and the outer surface of main rotor commutator 4 and the rotor commutator 5 that tests the speed fit.
Preferably, the position of described magnetic steel of stator 6 is corresponding with the position of rotor 3.
Preferably, described shell 11 is provided with wire guide 8.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (6)
1. a DC permanent magnet servomotor, comprise shell (11), front end housing (1), rear end cap (12) and rotating shaft (2), it is characterized in that, also comprise 1 rotor (3), 1 cover magnetic steel of stator (6), 2 brushgears, 1 main rotor commutator (4) and 1 rotor commutator that test the speed (5); Described shell (11), front end housing (1) and rear end cap (12) composition motor casing; One end of described rotating shaft (2) is connected with the rear shaft seat (7) on rear end cap (12) through front end housing (1); Rotating shaft (2) is fixed on front end housing (1) by forward axle bed (7); Described rotor (3) is arranged on the middle end position of rotating shaft (2); Described main rotor commutator (4) and the rotor commutator that tests the speed (5) lay respectively at the rear and front end of rotor (3); Described magnetic steel of stator (6) is installed on the inwall of end position in shell (11); Described shell (11) has 2 brushgear installing holes; Described brushgear is fixed on shell (11) by brushgear installing hole.
2. DC permanent magnet servomotor according to claim 1, is characterized in that, described brushgear is made up of mounting seat (14) and wiper mechanism; Described wiper mechanism comprises carbon brush for electric machine (13), spring (17) and bracing frame (15); Described bracing frame (15) is fixed in mounting seat (14) by dop (16).
3. DC permanent magnet servomotor according to claim 1, is characterized in that, described shell (11), front end housing (1) and rear end cap (12) are fixed together by screw (8).
4. DC permanent magnet servomotor according to claim 1 and 2, is characterized in that, described main rotor commutator (4) and the position of the rotor commutator that tests the speed (5) respectively with the position of 2 brushgears relative to; The lower surface of described carbon brush for electric machine (13) and the outer surface of main rotor commutator (4) and the rotor commutator that tests the speed (5) fit.
5. DC permanent magnet servomotor according to claim 1, is characterized in that, the position of described magnetic steel of stator (6) is corresponding with the position of rotor (3).
6. DC permanent magnet servomotor according to claim 1, is characterized in that, described shell (11) is provided with wire guide (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187429.0A CN104779744A (en) | 2015-04-16 | 2015-04-16 | Direct-current permanent magnet servomotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187429.0A CN104779744A (en) | 2015-04-16 | 2015-04-16 | Direct-current permanent magnet servomotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104779744A true CN104779744A (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510187429.0A Pending CN104779744A (en) | 2015-04-16 | 2015-04-16 | Direct-current permanent magnet servomotor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104779744A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811723A (en) * | 2016-05-09 | 2016-07-27 | 陈志秀 | Novel starting generator |
| CN105846631A (en) * | 2016-05-09 | 2016-08-10 | 陈志秀 | Starting generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219562Y (en) * | 1995-02-27 | 1996-02-07 | 济南市中德力实业公司 | Double-controlled ac stepless speed-regulating motor |
| CN201298785Y (en) * | 2008-12-05 | 2009-08-26 | 桂林电器科学研究所 | Total magneticfield printed winding DC motor-speed measuring machine unit |
| CN201393150Y (en) * | 2008-11-13 | 2010-01-27 | 常州富邦电气有限公司 | Permanent-magnetic DC electric motor with double commutators |
| CN202260775U (en) * | 2011-09-30 | 2012-05-30 | 宁波中大力德传动设备有限公司 | Electric brush module unit for reducing motor |
| CN202856134U (en) * | 2012-10-17 | 2013-04-03 | 浙江得伟工贸有限公司 | Carbon brush holder assembly |
| CN203416140U (en) * | 2013-09-12 | 2014-01-29 | 王爱国 | Direct-current and permanent-magnet compatible motor |
-
2015
- 2015-04-16 CN CN201510187429.0A patent/CN104779744A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219562Y (en) * | 1995-02-27 | 1996-02-07 | 济南市中德力实业公司 | Double-controlled ac stepless speed-regulating motor |
| CN201393150Y (en) * | 2008-11-13 | 2010-01-27 | 常州富邦电气有限公司 | Permanent-magnetic DC electric motor with double commutators |
| CN201298785Y (en) * | 2008-12-05 | 2009-08-26 | 桂林电器科学研究所 | Total magneticfield printed winding DC motor-speed measuring machine unit |
| CN202260775U (en) * | 2011-09-30 | 2012-05-30 | 宁波中大力德传动设备有限公司 | Electric brush module unit for reducing motor |
| CN202856134U (en) * | 2012-10-17 | 2013-04-03 | 浙江得伟工贸有限公司 | Carbon brush holder assembly |
| CN203416140U (en) * | 2013-09-12 | 2014-01-29 | 王爱国 | Direct-current and permanent-magnet compatible motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811723A (en) * | 2016-05-09 | 2016-07-27 | 陈志秀 | Novel starting generator |
| CN105846631A (en) * | 2016-05-09 | 2016-08-10 | 陈志秀 | Starting generator |
| CN105811723B (en) * | 2016-05-09 | 2018-03-16 | 陈志秀 | A kind of new startup generator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150715 |