JP4420192B2 - Resolver structure - Google Patents
Resolver structure Download PDFInfo
- Publication number
- JP4420192B2 JP4420192B2 JP2003375956A JP2003375956A JP4420192B2 JP 4420192 B2 JP4420192 B2 JP 4420192B2 JP 2003375956 A JP2003375956 A JP 2003375956A JP 2003375956 A JP2003375956 A JP 2003375956A JP 4420192 B2 JP4420192 B2 JP 4420192B2
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- JP
- Japan
- Prior art keywords
- gear
- planetary gear
- rotary shaft
- support member
- planetary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
本発明は、レゾルバ構造に関し、特に、減速方法として遊星ギアを用いることにより、
軸方向の厚さを薄くし、小型で偏平かつ搭載性にすぐれた構成を得るための新規な改良に
関する。
The present invention relates to a resolver structure, and in particular, by using a planetary gear as a speed reduction method,
The present invention relates to a novel improvement for reducing the thickness in the axial direction and obtaining a compact, flat and excellent mountability.
従来、一般に用いられていたレゾルバ構造としては、例えば、特許文献１、２、３、４
に開示されているように、ロータに巻線を有しない鉄芯のみで形成されたバリアブルリラ
クタンス型レゾルバが各種工作機、ロボット及びハイブリッドカー等に多用されているが
、これらとは別に、減速機構を用いたレゾルバ構造としては、図２に示される構成（社内
製作のため文献なし）が採用されていた。
この図２のレゾルバ構造は、社内製作のみであるため、その構成を示す特許文献等は示
していない。
Conventionally, as a generally used resolver structure, for example, Patent Documents 1, 2, 3, 4
However, a variable reluctance resolver formed only of an iron core having no winding on a rotor is widely used in various machine tools, robots, hybrid cars, etc. The structure shown in FIG. 2 (no literature for in-house production) has been adopted as a resolver structure using.
Since the resolver structure in FIG. 2 is only manufactured in-house, patent documents and the like showing the structure are not shown.
図２において符号１で示されるものは、後部ケーシング２及び前板３とからなるケーシ
ングであり、このケーシング１内には二重軸受４を介して回転軸５が回転自在に設けられ
ている。
What is indicated by reference numeral 1 in FIG. 2 is a casing including a rear casing 2 and a front plate 3, and a rotary shaft 5 is rotatably provided in the casing 1 via a double bearing 4.
前記回転軸５の外周位置には、断面形状がほぼＬ字型をなす回転部材６が一対の軸受７
、８を介して回転自在に設けられ、前記各軸受７、８は前記後部ケーシング２に設けられ
ている。
At the outer peripheral position of the rotating shaft 5, a rotating member 6 having a substantially L-shaped cross section is provided with a pair of
, 8 are rotatably provided, and the
前記回転軸５の周面に形成された回転軸ギア９には、遊星ギア１０が設けられ、この遊
星ギア１０は前記回転部材６の円周ギア１１に噛合し、この遊星ギア１０を軸支する軸体
１２は前記前板３に固定されている。
A planetary gear 10 is provided on the rotary shaft gear 9 formed on the circumferential surface of the rotary shaft 5, and the planetary gear 10 meshes with the
前記後部ケーシング２の内面に固定されステータ巻線１３を有する輪状ステータ１４の
内側には、この輪状ステータ１４と対応する位置に輪状ロータ１５が前記回転部材６と共
に回転できるように設けられている。
An annular rotor 15 is provided inside the annular stator 14 fixed to the inner surface of the rear casing 2 and having the stator winding 13 so as to be able to rotate together with the rotating member 6 at a position corresponding to the annular stator 14.
前述の構成において、回転軸５を回転させると、この回転は遊星ギア１０等からなるギ
アユニット１６によって１／ｎに減速され、輪状ロータロ１５が１／ｎ回転し、回転軸５
の多回転状態がレゾルバ２０によって検出される。
In the above-described configuration, when the rotating shaft 5 is rotated, this rotation is decelerated to 1 / n by the gear unit 16 including the planetary gear 10 and the like, and the ring-shaped rotaro 15 rotates 1 / n.
Is detected by the resolver 20.
従来のレゾルバ構造は、以上のように構成されていたため、次のような課題が存在して
いた。
すなわち、ギアユニットとレゾルバとが軸方向において異なる位置、すなわち、レゾル
バが軸方向において遊星ギアの外側位置に配設されているため、軸方向の厚さを薄形とすることができず、偏平型の減速機構付きのレゾルバ構造を得ることが困難であった。
Since the conventional resolver structure is configured as described above, the following problems exist.
That is, since the gear unit and the resolver are disposed at different positions in the axial direction, that is, the resolver is disposed at the outer position of the planetary gear in the axial direction, the thickness in the axial direction cannot be reduced, and the flatness is reduced. It was difficult to obtain a resolver structure with a mold speed reduction mechanism.
本発明によるレゾルバ構造は、前板及び後部ケーシングとからなるケーシングに設けられた一対の軸受により回転自在に支持された回転軸と、前記回転軸の外周に形成された回転軸ギアと、前記ケーシングの内面に円周状に形成された円周ギアと、前記回転軸ギアと円周ギア間に位置し前記回転軸ギアと円周ギアに噛合する遊星ギアと、前記遊星ギアの遊星回転軸に一対のギア用軸受を介して設けられ前記遊星ギアの両側にわたって位置する箱形状をなすギア支持部材と、前記ギア支持部材の外周面に設けられた輪状ロータと、前記ケーシングの内面に設けられステータ巻線を有すると共に前記輪状ロータに対応して位置する輪状ステータとを備え、前記ギア用軸受が前記遊星ギアの両側に各々配設され、前記輪状ロータは前記遊星ギアと前板との間に位置し、前記ギア支持部材の内周面は前記回転軸の外周面に摺接していることにより、前記回転軸の回転に連動して前記遊星ギアが自転し、前記ギア支持部材及び輪状ロータが前記回転軸を中心として公転し、前記輪状ロータと輪状ステータによって前記回転軸の多回転を検出するように構成である。 Resolver structure according to the present invention includes a rotary shaft which is rotatably supported by a pair of bearings provided in Ke pacing comprising a front plate and a rear casing, a rotary shaft gear formed on the outer periphery of said rotary shaft, said A circumferential gear formed circumferentially on the inner surface of the casing; a planetary gear positioned between the rotary shaft gear and the circumferential gear and meshing with the rotary shaft gear and the circumferential gear; and a planetary rotary shaft of the planetary gear and annular rotor provided with gearing support member having a box shape which is located over the opposite sides of the provided et Re said planetary gear through the bearing pair of gears, the outer peripheral surface of the gear support member, the inner surface of the casing provided a ring-shaped stator located corresponding to Rutotomoni said annular rotor having a stator winding, bearing the gear are respectively disposed on both sides of the planetary gears, wherein the annular rotor and the planetary gear in front Located between the inner peripheral surface of the gear support member by being in sliding contact with the outer peripheral surface of the rotary shaft, in conjunction with the planetary gears are rotating with the rotation of the front Symbol rotation axis, said gear support The member and the annular rotor revolve around the rotating shaft, and multiple rotations of the rotating shaft are detected by the annular rotor and the annular stator.
本発明によるレゾルバ構造は、以上のように構成されているため、次のような効果を得
ることができる。
すなわち、遊星ギアを軸支するギア支持部材の外周に輪状ロータが設けられ、この輪状ロータが遊星ギアと前板との間に位置していることにより、全体構成の軸方向厚さを従
来よりも大幅に薄くすることができ、偏平型の減速機構付きレゾルバ構造を得ることがで
きる。
Since the resolver structure according to the present invention is configured as described above, the following effects can be obtained.
That is, annular rotor is provided on the outer periphery of the gear support member for supporting the planetary gears, by annular rotor of this is located between the planetary gear and the front plate, the axial thickness of the overall structure prior And a flat resolver structure with a speed reduction mechanism can be obtained.
本発明は、遊星ギアのギア支持部材の外周に輪状ロータを取付け、遊星ギアと前板との
間にレゾルバを配設しているため、軸方向の厚さを偏平型とすることを目的とする。
An object of the present invention is to attach a ring-shaped rotor to the outer periphery of a gear support member of a planetary gear and arrange a resolver between the planetary gear and the front plate, so that the thickness in the axial direction is a flat type. To do.
図１において、符号１で示されるものは、後部ケーシング２及び前板３とからなるケー
シングであり、このケーシング１内には一対の軸受４を介して回転軸５が回転自在に設けられている。
In FIG. 1, a reference numeral 1 indicates a casing including a rear casing 2 and a front plate 3, and a rotating shaft 5 is rotatably provided in the casing 1 via a pair of bearings 4. .
前記回転軸５の外周には回転軸ギア９が形成されると共に、前記後部ケーシング２の内
面にも円周ギア１１が形成されている。
前記回転軸５の外周位置に配設された遊星ギア１０は、前記回転軸ギア９及び円周ギア
１１に噛合することにより、この遊星ギア１０は前記回転軸５の外周を遊星回転すること
ができるように構成されている。
A rotating shaft gear 9 is formed on the outer periphery of the rotating shaft 5, and a
The planetary gear 10 disposed at the outer peripheral position of the rotating shaft 5 meshes with the rotating shaft gear 9 and the
前記遊星ギア１０の遊星回転軸１２は、この遊星ギア１０の両側にわたって位置する箱
形状をなすギア支持部材３０内の一対のギア用軸受３１によって回転自在に軸支されている。
The planetary rotating
前記各ギア用軸受３１は、前記遊星ギア１０の両側に位置すると共に、前記ギア支持部
材３０の外周には輪状ロータ１５の一部が接続して設けられている。
前記輪状ロータ１５は、前記遊星ギア１０と前板３との間に位置し、前記ギア支持部材
３０の内周面３０ａは前記回転軸５の外周面５ａに摺接している。
The gear bearings 31 are located on both sides of the planetary gear 10, and a part of the annular rotor 15 is connected to the outer periphery of the gear support member 30.
The annular rotor 15 is located between the planetary gear 10 and the front plate 3, and the inner
前記ケーシング１の内面には、ステータ巻線１３を有する輪状ステータ１４が設けられ
、この輪状ステータ１４は前記輪状ロータ１５に対応して位置していると共に、この輪状
ロータ１５と輪状ステータ１４とによりレゾルバ２０を構成している。
An annular stator 14 having a stator winding 13 is provided on the inner surface of the casing 1, and the annular stator 14 is positioned corresponding to the annular rotor 15, and is formed by the annular rotor 15 and the annular stator 14. A resolver 20 is configured.
前述の構成において、回転軸５を回転させると、回転軸ギア９を介して遊星ギア１０が
自転しつつこの回転軸５の周囲を公転するため、前記遊星回転軸１２と共にギア支持部材
３０及び輪状ロータ１５が減速された状態で回転し、回転軸５の多回転状態をレゾルバ２
０によって検出することができる。
In the above-described configuration, when the rotating shaft 5 is rotated, the planetary gear 10 revolves around the rotating shaft 5 while rotating around the rotating shaft gear 9, so that the gear support member 30 and the ring-shaped member are rotated together with the planetary rotating
0 can be detected.
本発明においては遊星ギアのギア支持部材の外周に輪状ロータを設けられているため、
輪状ロータ以外に光学センサを取付ける構成にも適用できる。
In the present invention, because a ring-shaped rotor is provided on the outer periphery of the gear support member of the planetary gear,
It is applicable also to the structure which attaches an optical sensor other than a ring-shaped rotor.
１ ケーシング
２ 後部ケーシング
３ 前板
４ 軸受
５ 回転軸
５ａ 外周面
９ 回転軸ギア
１０ 遊星ギア
１１ 円周ギア
１２ 遊星回転軸
１３ ステータ巻線
１４ 輪状ステータ
１５ 輪状ロータ
３０ ギア支持部材
３０ａ 内周面
３１ ギア用軸受
DESCRIPTION OF SYMBOLS 1 Casing 2 Rear casing 3 Front plate 4 Bearing 5 Rotating shaft
5a Outer peripheral surface 9 Rotating shaft gear 10
15 ring-shaped rotor 30 gear support member
30a inner peripheral surface 31 gear bearing
Claims (1)
前記ギア用軸受(31)が前記遊星ギア(10)の両側に各々配設され、前記輪状ロータ(15)は前記遊星ギア(10)と前板(3)との間に位置し、前記ギア支持部材(30)の内周面(30a)は前記回転軸(5)の外周面(5a)に摺接していることにより、前記回転軸(5)の回転に連動して前記遊星ギア(10)が自転し、前記ギア支持部材(30)及び輪状ロータ(15)が前記回転軸(5)を中心として公転し、前記輪状ロータ(15)と輪状ステータ(14)によって前記回転軸(5)の多回転を検出するように構成したことを特徴とするレゾルバ構造。 Front plate (3) and the rotating shaft which is rotatably supported by the rear casing pair of bearings provided on Ke pacing (1) consisting of a (2) (4) and (5), the rotary shaft (5) A rotation shaft gear (9) formed on the outer periphery, a circumferential gear (11) formed circumferentially on the inner surface of the casing (1), the rotation shaft gear (9) and the circumferential gear (11) A planetary gear (10) that is positioned between and meshes with the rotary shaft gear (9) and the circumferential gear (11), and a pair of gear bearings (31) on the planetary rotary shaft (12) of the planetary gear (10). Re et provided via the planetary gear gearing support member having a box shape which is located over both sides of (10) (30), and annular rotor (15) provided on an outer peripheral surface of the gear support member (30) , and a wheel-like stator is located in correspondence with the stator winding provided on the inner surface (13) Rutotomoni said annular rotor (15) having a (14) of the casing (1),
The gear bearings (31) are respectively disposed on both sides of the planetary gear (10), and the annular rotor (15) is located between the planetary gear (10) and the front plate (3), and the gear by the inner peripheral surface of the support member (30) (30a) is that in sliding contact with the outer peripheral surface of the rotary shaft (5) (5a), wherein in conjunction with the rotation of the front Symbol rotary shaft (5) planet gears ( 10) rotates, the gear support member (30) and the annular rotor (15) revolve around the rotating shaft (5), and the rotating shaft (5) is rotated by the annular rotor (15) and the annular stator (14). A resolver structure characterized in that it is configured to detect multiple rotations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003375956A JP4420192B2 (en) | 2003-11-05 | 2003-11-05 | Resolver structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003375956A JP4420192B2 (en) | 2003-11-05 | 2003-11-05 | Resolver structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005143186A JP2005143186A (en) | 2005-06-02 |
| JP4420192B2 true JP4420192B2 (en) | 2010-02-24 |
Family
ID=34687181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003375956A Expired - Fee Related JP4420192B2 (en) | 2003-11-05 | 2003-11-05 | Resolver structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4420192B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4849880B2 (en) * | 2005-12-07 | 2012-01-11 | 株式会社ハーモニック・ドライブ・システムズ | Method for assembling detection mechanism of planetary gear device |
-
2003
- 2003-11-05 JP JP2003375956A patent/JP4420192B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005143186A (en) | 2005-06-02 |
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