JPH08247223A - Planetary gear type reduction gear - Google Patents
Planetary gear type reduction gearInfo
- Publication number
- JPH08247223A JPH08247223A JP7049847A JP4984795A JPH08247223A JP H08247223 A JPH08247223 A JP H08247223A JP 7049847 A JP7049847 A JP 7049847A JP 4984795 A JP4984795 A JP 4984795A JP H08247223 A JPH08247223 A JP H08247223A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- positioning plate
- rotor housing
- planetary gear
- inner circumference
- 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.)
- Granted
Links
Landscapes
- Retarders (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は遊星歯車式の減速装置の
改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a planetary gear type speed reducer.
【０００２】[0002]
【従来の技術】従来、油圧モータと一体に遊星歯車減速
機構を組み込んだ減速装置として、図５、図６に示すよ
うなものがある。2. Description of the Related Art Conventionally, there is a speed reducer as shown in FIGS. 5 and 6 as a speed reducer incorporating a planetary gear speed reduction mechanism integrally with a hydraulic motor.
【０００３】モータハウジング１１の内部には、図示し
ない油圧モータが配置され、このモータ出力軸とスプラ
イン係合する主軸１２がモータハウジング１１から突出
する。モータハウジング１１の外周にはロータハウジン
グ１３がアンギュラボールベアリング１４を介して回転
自由に支持される。前記主軸１２の先端はこのロータハ
ウジング１３の内部へと延長され、２段の遊星歯車機構
２０を介して、主軸１２の回転が減速してロータハウジ
ング１３に伝達される。A hydraulic motor (not shown) is arranged inside the motor housing 11, and a main shaft 12 that is spline-engaged with the motor output shaft projects from the motor housing 11. A rotor housing 13 is rotatably supported on the outer periphery of the motor housing 11 via angular ball bearings 14. The tip of the main shaft 12 extends into the rotor housing 13, and the rotation of the main shaft 12 is decelerated and transmitted to the rotor housing 13 via the two-stage planetary gear mechanism 20.
【０００４】２段の遊星歯車機構２０は、主軸１２の先
端に設けたサンギヤ２１ａにプラネットギヤ２１ｂが噛
合し、さらにこのプラネットギヤ２１ｂにロータハウジ
ング１３の内周に形成したリングギヤ２１ｃが螺合す
る。In the two-stage planetary gear mechanism 20, a planet gear 21b meshes with a sun gear 21a provided at the tip of the main shaft 12, and a ring gear 21c formed inside the rotor housing 13 is screwed with the planet gear 21b. .
【０００５】プラネットギヤ２１ｂのキャリヤ２１ｄの
回転中心には、主軸１２の外周に配置した中空のサンギ
ヤ２２ａに噛合するギヤ２１ｅが設けられ、これらによ
り、サンギヤ２１ａの回転でプラネットギヤ２１ｂが公
転し、これに伴うキャリヤ２１ｄの回転で、ギヤ２１ｅ
を介して中空のサンギヤ２２ａが回転する。At the center of rotation of the carrier 21d of the planet gear 21b, there is provided a gear 21e that meshes with a hollow sun gear 22a arranged on the outer periphery of the main shaft 12, whereby the planet gear 21b revolves when the sun gear 21a rotates. The gear 21e is rotated by the rotation of the carrier 21d.
The hollow sun gear 22a rotates via the.
【０００６】この中空サンギヤ２２ａにはプラネットギ
ヤ２２ｂが螺合し、さらにプラネットギヤ２２ｂには前
記ロータハウジング１３の内周の共通のリングギヤ２１
ｃと噛合する。プラネットギヤ２２ｂはモータハウジン
グ１１の一部から突出した軸２２ｄに支持されているた
め、前記サンギヤ２２ａの回転によりプラネットギヤ２
２ｂは自転するのみで、これによりリングギヤ２１ｃが
回転し、これらの結果、前記主軸１２の回転により所定
の回転比率でロータハウジング１３が減速回転するよう
になっている。A planet gear 22b is screwed into the hollow sun gear 22a, and the planet gear 22b has a common ring gear 21 on the inner circumference of the rotor housing 13.
mesh with c. Since the planet gear 22b is supported by the shaft 22d protruding from a part of the motor housing 11, the planet gear 2 is rotated by the rotation of the sun gear 22a.
The ring gear 21c is rotated by the rotation of the rotary shaft 2b only, and as a result, the rotation of the main shaft 12 causes the rotor housing 13 to decelerate at a predetermined rotation ratio.
【０００７】ところで、一方のサンギヤ２１ａ、これと
噛合うプラネットギヤ２１ｂ、及びキャリヤ２１ｄは、
ロータハウジング１３に固定的に支持できないため、こ
れらの軸方向への移動を阻止するため、位置決めプレー
ト２３が設けられる。この位置決めプレート２３は、ロ
ータハウジング１３の端面のカバー２５の中央部に設け
た突起２６と当接すると共に、その外周部をキャリヤ２
１ｄのトラニオン軸２１ｆにピン２７より固定すること
により、キャリヤ２１ｄと一体的に回転しながら、サン
ギヤ２１ａ、プラネットギヤ２１ｂなどの軸方向への移
動を阻止している。By the way, the one sun gear 21a, the planet gear 21b and the carrier 21d that mesh with the sun gear 21a are
Since the rotor housing 13 cannot be fixedly supported, a positioning plate 23 is provided to prevent the axial movement of the rotor housing 13. The positioning plate 23 abuts on a protrusion 26 provided at the central portion of the cover 25 on the end surface of the rotor housing 13, and the outer peripheral portion of the positioning plate 23 is held by the carrier 2.
By fixing to the 1d trunnion shaft 21f with the pin 27, the sun gear 21a, the planet gear 21b, etc. are prevented from moving in the axial direction while rotating integrally with the carrier 21d.
【０００８】[0008]
【発明が解決しようとする課題】しかし、このような位
置決めプレート２３では、トラニオン軸２１ｆと結合す
るためにピン２７、及びそのピン穴がプラネットギヤ２
１ｂの数だけ必要で、これらの加工工数と、部品点数が
増え、また、減速比を変更する場合には、プラネットギ
ヤ２１ｂの歯数及びキャリヤ２１ｄのピッチ円径が変わ
り、これに応じて位置決めプレート２３も変更する必要
があり、部品のコストアップの原因となる。However, in such a positioning plate 23, the pin 27 for coupling with the trunnion shaft 21f and the pin hole thereof are provided in the planet gear 2.
The number of machining steps and the number of parts are increased by the number of 1b, and when the reduction ratio is changed, the number of teeth of the planet gear 21b and the pitch circle diameter of the carrier 21d are changed, and the positioning is performed accordingly. The plate 23 also needs to be changed, which causes an increase in cost of parts.
【０００９】本発明はこのような問題を解決することを
目的とする。The present invention aims to solve such a problem.
【００１０】[0010]
【課題を解決するための手段】第１の発明は、出力回転
が伝達されるサンギヤにキャリヤに支持されたプラネッ
トギヤを噛合し、このプラネットギヤにロータハウジン
グの内周に形成したリングギヤを噛合させる一方、ロー
タハウジングの端面のカバーの内側に前記サンギヤ、プ
ラネットギヤの軸端と当接して軸方向への移動を阻止す
る位置決めプレートを配置した遊星歯車式減速装置にお
いて、前記位置決めプレートの外周にリングギヤの内周
に達する複数の突起部を設け、この突起部の一部にリン
グギヤと噛合する係止歯を設けた。According to a first aspect of the present invention, a sun gear to which output rotation is transmitted is meshed with a planet gear supported by a carrier, and the planet gear is meshed with a ring gear formed on the inner circumference of a rotor housing. On the other hand, in a planetary gear type speed reducer in which a positioning plate that abuts the shaft ends of the sun gear and the planet gear to prevent axial movement is arranged inside the cover on the end face of the rotor housing, a ring gear is provided on the outer periphery of the positioning plate. A plurality of protrusions that reach the inner circumference of the ring are provided, and locking teeth that mesh with the ring gear are provided on a part of the protrusions.
【００１１】第２の発明は、出力回転が伝達されるサン
ギヤにキャリヤに支持されたプラネットギヤを噛合し、
このプラネットギヤにロータハウジングの内周に形成し
たリングギヤを噛合させる一方、ロータハウジングの端
面のカバーの内側に前記サンギヤ、プラネットギヤの軸
端と当接して軸方向への移動を阻止する位置決めプレー
トを配置した遊星歯車式減速装置において、前記位置決
めプレートの外周にロータハウジングの内周に達する複
数の突起部を設け、この突起部の一部にロータハウジン
グの内周に形成した係合溝と嵌まる係止部を設けた。In a second aspect of the invention, a planet gear supported by a carrier is meshed with a sun gear to which output rotation is transmitted,
A ring gear formed on the inner circumference of the rotor housing is meshed with this planet gear, while a positioning plate is provided inside the cover on the end surface of the rotor housing to abut the shaft ends of the sun gear and planet gear to prevent movement in the axial direction. In the arranged planetary gear type speed reducer, a plurality of projections reaching the inner circumference of the rotor housing are provided on the outer circumference of the positioning plate, and a part of these projections are fitted with engagement grooves formed on the inner circumference of the rotor housing. A locking part is provided.
【００１２】[0012]
【作用】したがって第１の発明では、カバーとの間に介
装した位置決めプレートは、その外周に設けた突起部の
係止歯によりリングギヤの内周とかみ合い、その位置が
規定される。これにより、位置決めプレートに特別な固
定手段を設けずに、サンギヤ、プラネットギヤの軸方向
への移動を阻止する。この場合、プラネットギヤの歯数
が異なり、ピッチ円径が変化しても、同一の位置決めプ
レートにより支持することができ、部品点数や加工工数
の削減によりコストダウンが図れる。Therefore, in the first invention, the positioning plate interposed between the cover and the cover is engaged with the inner periphery of the ring gear by the engaging teeth of the protrusions provided on the outer periphery of the positioning plate, and the position thereof is defined. This prevents the sun gear and the planet gear from moving in the axial direction without providing a special fixing means on the positioning plate. In this case, even if the number of teeth of the planet gear is different and the pitch circle diameter is changed, they can be supported by the same positioning plate, and the cost can be reduced by reducing the number of parts and the number of processing steps.
【００１３】第２の発明では、位置決めプレート外周の
突起部は、ロータハウジングの内周に設けた係合溝と嵌
まる係止部により位置が規定される。According to the second aspect of the invention, the position of the protrusion on the outer periphery of the positioning plate is defined by the engagement portion fitted in the engagement groove provided on the inner periphery of the rotor housing.
【００１４】この場合にも同じように、部品点数や加工
工数を増やすことなく、位置決めプレートを装着でき
る。Also in this case, similarly, the positioning plate can be mounted without increasing the number of parts or the number of processing steps.
【００１５】[0015]
【実施例】図１〜図３に本発明の第１の実施例を示す。1 to 3 show a first embodiment of the present invention.
【００１６】図示するように、ロータハウジング１３の
カバー２５とサンギヤ２１ａとの間に介装される位置決
めプレート３１は、少なくともプラネットギヤ２１ｂを
含むように円形に形成され、その外周部には３つの突起
部３２が形成される。これら突起部３２の先端にはロー
タハウジング１３の内周に形成するリングギヤ２１ｃと
噛合する歯形をもつ係止歯３３が設けられる。各突起部
３２はプラネットギヤ２１ｂと同位置にあり、これによ
り、位置決めプレート３１がロータハウジング１３の内
部で落下しないように位置が規制される。なお、この実
施例では突起部３２を結ぶ三角が正三角形を形成してい
るが、必ずしもこれに限られるものではなく、ただし、
この場合、位置決めプレート３１の中心と各突起部３２
とを結ぶ内角の一つが１８０°以上となるようにする必
要がある。また、３つの突起部３２を設けてあるが、さ
らに増やすこともできる。As shown in the drawing, the positioning plate 31 interposed between the cover 25 of the rotor housing 13 and the sun gear 21a is formed in a circular shape so as to include at least the planet gear 21b, and has three outer peripheral portions. The protrusion 32 is formed. Locking teeth 33 having a tooth shape that meshes with the ring gear 21c formed on the inner circumference of the rotor housing 13 are provided at the tips of the protrusions 32. Each protrusion 32 is located at the same position as the planet gear 21b, whereby the position of the positioning plate 31 is regulated so as not to drop inside the rotor housing 13. In addition, in this embodiment, the triangle connecting the protrusions 32 forms an equilateral triangle, but the present invention is not limited to this.
In this case, the center of the positioning plate 31 and each protrusion 32
It is necessary to make one of the interior angles connecting with and 180 ° or more. Further, although the three protrusions 32 are provided, the number can be further increased.
【００１７】位置決めプレート３１の一面はその中央部
においてカバー２５の内側に設けた突起２６と接触し、
かつ他面はその中央部においてサンギヤ２１ａ、またそ
の外周部においてプラネットギヤ２１ｂ、キャリヤ２１
ｄのトラニオン軸２１ｆの端部と弾性的に接触するよう
に、ドーナツ状の段部３４が形成され、これにより、サ
ンギヤ２１ａ、プラネットギヤ２１ｂの軸方向への移動
を阻止している。One surface of the positioning plate 31 comes into contact with the protrusion 26 provided inside the cover 25 at its central portion,
In addition, the other surface has a sun gear 21a at its central portion, and a planet gear 21b and a carrier 21 at its outer peripheral portion.
A donut-shaped step portion 34 is formed so as to elastically contact the end portion of the trunnion shaft 21f of d, thereby preventing the sun gear 21a and the planet gear 21b from moving in the axial direction.
【００１８】また、位置決めプレート３１には軽量化の
ための多数の抜き穴３５が形成される。Further, the positioning plate 31 is formed with a large number of holes 35 for weight reduction.
【００１９】なお、その他の構成において、図５と同一
の部分には同符号を付し、その説明を省略する。In other constructions, the same parts as those in FIG. 5 are designated by the same reference numerals and the description thereof will be omitted.
【００２０】このように構成したので、位置決めプレー
ト３１はその突起部３２の先端の係止歯３３をリングギ
ヤ２１ｃの内周に噛合させるようにして、カバー２５の
内側に装着することにより、その位置が規定される。With this construction, the positioning plate 31 is mounted inside the cover 25 so that the locking teeth 33 at the tips of the projections 32 mesh with the inner circumference of the ring gear 21c, and the position thereof is adjusted. Is prescribed.
【００２１】この状態ではカバー２５の突起２６と当接
し、サンギヤ２１ａ、プラネットギヤ２１ｂと弾性的に
接触しながら、リングギヤ２１ｃと一体的に回転する。
これにより、サンギヤ２１ａ、プラネットギヤ２１ｂ等
の軸方向への移動を阻止し、その抜け止めを図ることが
できる。In this state, the ring gear 21c abuts on the protrusion 26 of the cover 25 and elastically contacts the sun gear 21a and the planet gear 21b, and rotates integrally with the ring gear 21c.
As a result, it is possible to prevent the sun gear 21a, the planet gear 21b, and the like from moving in the axial direction and prevent them from coming off.
【００２２】したがって、位置決めプレート３１は単に
リングギヤ２１ｃと噛合させるだけで装着でき、従来の
ように、位置決めピンやそのための挿入穴等が不要で、
加工工数や部品の削減が図れる。また、減速比の変更に
より、プラネットギヤ２１ｂの歯数が変化し、ピッチ円
径が異なったとしても、同一の位置決めプレート３１で
対応することができる。Therefore, the positioning plate 31 can be mounted simply by meshing with the ring gear 21c, and unlike the conventional case, a positioning pin and an insertion hole therefor are unnecessary,
The number of processing steps and parts can be reduced. Further, even if the number of teeth of the planet gear 21b is changed and the pitch circle diameter is changed by changing the reduction ratio, the same positioning plate 31 can be used.
【００２３】次に図４に示す実施例を説明する。これ
は、ロータハウジング１３の内周に、リングギヤ２１ｃ
の端面に位置して、軸方向に延びる係合溝３７を形成
し、この係合溝３７に嵌合する係止部３６を、前記位置
決めプレート３１の突起部３２に設けたものである。Next, the embodiment shown in FIG. 4 will be described. This is the ring gear 21c on the inner circumference of the rotor housing 13.
An engaging groove 37 extending in the axial direction is formed at the end surface of the engaging plate 37, and a locking portion 36 that fits into the engaging groove 37 is provided on the protrusion 32 of the positioning plate 31.
【００２４】カバー２５を外した状態で係合溝３７と係
止部３６とが係合するように位置決めプレート３１を装
着すれば、位置決めプレート３１はその位置に固定する
ことができる。If the positioning plate 31 is mounted so that the engaging groove 37 and the locking portion 36 engage with each other with the cover 25 removed, the positioning plate 31 can be fixed at that position.
【００２５】この場合にも、前記実施例と同じようにし
て、サンギヤ２１ａ、プラネットギヤ２１ｂ等の軸方向
への移動を確実に阻止することができる。Also in this case, the axial movement of the sun gear 21a, the planet gear 21b, etc. can be reliably prevented in the same manner as in the above embodiment.
【００２６】[0026]
【発明の効果】第１の発明によれば、カバーとの間に介
装した位置決めプレートは、その外周に設けた突起部の
係止歯によりリングギヤの内周とかみ合い、その位置が
規定され、これにより、位置決めプレートに特別な固定
手段を設けずに、サンギヤ、プラネットギヤの軸方向へ
の移動を阻止することができ、しかも、プラネットギヤ
の歯数が異なり、ピッチ円径が変化しても、同一の位置
決めプレートにより支持することができ、これらの結
果、部品点数や加工工数の削減によりコストダウンが図
れる。According to the first aspect of the present invention, the positioning plate interposed between the cover and the cover is engaged with the inner periphery of the ring gear by the engaging teeth of the protrusions provided on the outer periphery of the positioning plate, and its position is defined. This makes it possible to prevent the sun gear and the planet gear from moving in the axial direction without providing a special fixing means on the positioning plate, and moreover, even if the number of teeth of the planet gear is different and the pitch circle diameter is changed. Further, they can be supported by the same positioning plate, and as a result, the cost can be reduced by reducing the number of parts and the number of processing steps.
【００２７】第２の発明によれば、位置決めプレート
は、ロータハウジングの内周に設けた係合溝と嵌まる係
止部により位置が規定され、これにより、部品点数や加
工工数を増やすことなく、位置決めプレートを装着でき
る。According to the second aspect of the invention, the position of the positioning plate is defined by the engaging portion provided on the inner circumference of the rotor housing and fitted with the engaging groove, whereby the number of parts and the number of working steps are not increased. A positioning plate can be attached.
【図１】本発明の実施例を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図２】位置決めプレートの正面図である。FIG. 2 is a front view of a positioning plate.
【図３】同じく要部を示す断面図である。FIG. 3 is a sectional view showing an essential part of the same.
【図４】他の実施例の要部を示す断面図である。FIG. 4 is a cross-sectional view showing the main parts of another embodiment.
【図５】従来例の断面図である。FIG. 5 is a cross-sectional view of a conventional example.
【図６】同じく位置決めプレートの正面図である。FIG. 6 is a front view of the positioning plate of the same.
１３ ロータハウジング ２１ａ サンギヤ ２１ｂ プラネットギヤ ２１ｃ リングギヤ ２１ｄ キャリヤ ２５ カバー ２６ 突起 ３１ 位置決めプレート ３２ 突起部 ３３ 係止歯 ３６ 係止部 ３７ 係合溝 13 rotor housing 21a sun gear 21b planet gear 21c ring gear 21d carrier 25 cover 26 protrusion 31 positioning plate 32 protrusion portion 33 engaging tooth 36 engaging portion 37 engaging groove
Claims (2)
ヤに支持されたプラネットギヤを噛合し、このプラネッ
トギヤにロータハウジングの内周に形成したリングギヤ
を噛合させる一方、ロータハウジングの端面のカバーの
内側に前記サンギヤ、プラネットギヤの軸端と当接して
軸方向への移動を阻止する位置決めプレートを配置した
遊星歯車式減速装置において、前記位置決めプレートの
外周にリングギヤの内周に達する複数の突起部を設け、
この突起部の一部にリングギヤと噛合する係止歯を設け
たことを特徴とする遊星歯車式減速装置。1. A sun gear to which output rotation is transmitted is meshed with a planet gear supported by a carrier, and a ring gear formed on the inner periphery of a rotor housing is meshed with this planet gear, while the inside of a cover on the end face of the rotor housing is meshed. In the planetary gear type speed reducer in which a positioning plate that abuts the shaft ends of the sun gear and the planet gear to prevent movement in the axial direction is arranged, a plurality of protrusions reaching the inner circumference of the ring gear are provided on the outer circumference of the positioning plate. Provided,
A planetary gear type speed reducer characterized in that a locking tooth that meshes with a ring gear is provided on a part of the protrusion.
ヤに支持されたプラネットギヤを噛合し、このプラネッ
トギヤにロータハウジングの内周に形成したリングギヤ
を噛合させる一方、ロータハウジングの端面のカバーの
内側に前記サンギヤ、プラネットギヤの軸端と当接して
軸方向への移動を阻止する位置決めプレートを配置した
遊星歯車式減速装置において、前記位置決めプレートの
外周にロータハウジングの内周に達する複数の突起部を
設け、この突起部の一部にロータハウジングの内周に形
成した係合溝と嵌まる係止部を設けたことを特徴とする
遊星歯車式減速装置。2. A planetary gear supported by a carrier is meshed with a sun gear to which output rotation is transmitted, and a ring gear formed on the inner circumference of the rotor housing is meshed with the planetary gear, while the end face of the rotor housing is covered by a cover. In a planetary gear type speed reducer in which a positioning plate that abuts against the shaft ends of the sun gear and the planet gear to prevent movement in the axial direction is arranged, a plurality of protrusions reaching the inner circumference of the rotor housing on the outer circumference of the positioning plate. A planetary gear type speed reducer characterized in that a locking portion that is fitted to an engaging groove formed on the inner circumference of the rotor housing is provided on a part of the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04984795A JP3550433B2 (en) | 1995-03-09 | 1995-03-09 | Planetary gear type reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04984795A JP3550433B2 (en) | 1995-03-09 | 1995-03-09 | Planetary gear type reduction gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08247223A true JPH08247223A (en) | 1996-09-24 |
| JP3550433B2 JP3550433B2 (en) | 2004-08-04 |
Family
ID=12842463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04984795A Expired - Fee Related JP3550433B2 (en) | 1995-03-09 | 1995-03-09 | Planetary gear type reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3550433B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184596A2 (en) | 2000-08-29 | 2002-03-06 | Nabco Limited | A driving unit that comprises a hydraulic motor and a reduction gear |
| JP2002213568A (en) * | 2000-11-16 | 2002-07-31 | Nabco Ltd | Travel unit |
| US8020299B2 (en) | 2006-08-01 | 2011-09-20 | Harmonic Ad, Inc. | Method of fastening gear and structure of the same |
| JP2016125506A (en) * | 2014-12-26 | 2016-07-11 | 日立建機株式会社 | Planetary reduction gear device |
| KR20160091830A (en) | 2015-01-26 | 2016-08-03 | 나부테스코 가부시키가이샤 | Reduction mechanism and driving apparatus having a reducer |
| CN107035820A (en) * | 2016-12-29 | 2017-08-11 | 华南理工大学 | A kind of ring-like mobile gear of multiple degrees of freedom pitch circle internal messing |
| KR20190001542A (en) * | 2017-06-27 | 2019-01-04 | 나부테스코 가부시키가이샤 | Decelerator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359244U (en) * | 1986-10-06 | 1988-04-20 | ||
| JPH01153840A (en) * | 1987-12-08 | 1989-06-16 | Hitachi Constr Mach Co Ltd | Reduction gear device using planetary gear |
| JPH031346U (en) * | 1989-05-29 | 1991-01-09 | ||
| JPH03144145A (en) * | 1990-09-26 | 1991-06-19 | Kayaba Ind Co Ltd | Hydraulic driving device equipped with reduction gear |
| JPH0443A (en) * | 1990-09-26 | 1992-01-06 | Kayaba Ind Co Ltd | Hydraulic driving device with reduction gear |
| JPH0429431U (en) * | 1990-07-04 | 1992-03-10 | ||
| JPH0527397U (en) * | 1991-09-18 | 1993-04-09 | 三菱自動車工業株式会社 | Planetary carrier mounting structure |
| JPH0586061U (en) * | 1992-04-27 | 1993-11-19 | 日産ディーゼル工業株式会社 | Planetary gear type hub reducer device |
| JPH0625642U (en) * | 1992-09-02 | 1994-04-08 | 小松メック株式会社 | Final reducer |
-
1995
- 1995-03-09 JP JP04984795A patent/JP3550433B2/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359244U (en) * | 1986-10-06 | 1988-04-20 | ||
| JPH01153840A (en) * | 1987-12-08 | 1989-06-16 | Hitachi Constr Mach Co Ltd | Reduction gear device using planetary gear |
| JPH031346U (en) * | 1989-05-29 | 1991-01-09 | ||
| JPH0429431U (en) * | 1990-07-04 | 1992-03-10 | ||
| JPH03144145A (en) * | 1990-09-26 | 1991-06-19 | Kayaba Ind Co Ltd | Hydraulic driving device equipped with reduction gear |
| JPH0443A (en) * | 1990-09-26 | 1992-01-06 | Kayaba Ind Co Ltd | Hydraulic driving device with reduction gear |
| JPH0527397U (en) * | 1991-09-18 | 1993-04-09 | 三菱自動車工業株式会社 | Planetary carrier mounting structure |
| JPH0586061U (en) * | 1992-04-27 | 1993-11-19 | 日産ディーゼル工業株式会社 | Planetary gear type hub reducer device |
| JPH0625642U (en) * | 1992-09-02 | 1994-04-08 | 小松メック株式会社 | Final reducer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184596A2 (en) | 2000-08-29 | 2002-03-06 | Nabco Limited | A driving unit that comprises a hydraulic motor and a reduction gear |
| US6524206B2 (en) | 2000-08-29 | 2003-02-25 | Nabco Ltd. | Driving unit that comprises a hydraulic motor and a reduction gear |
| KR100851578B1 (en) * | 2000-08-29 | 2008-08-12 | 가부시키카이샤 나브코 | A driving unit that comprizes a hydraulic motor and a reduction gear |
| JP2002213568A (en) * | 2000-11-16 | 2002-07-31 | Nabco Ltd | Travel unit |
| US8020299B2 (en) | 2006-08-01 | 2011-09-20 | Harmonic Ad, Inc. | Method of fastening gear and structure of the same |
| JP2016125506A (en) * | 2014-12-26 | 2016-07-11 | 日立建機株式会社 | Planetary reduction gear device |
| KR20160091830A (en) | 2015-01-26 | 2016-08-03 | 나부테스코 가부시키가이샤 | Reduction mechanism and driving apparatus having a reducer |
| CN107035820A (en) * | 2016-12-29 | 2017-08-11 | 华南理工大学 | A kind of ring-like mobile gear of multiple degrees of freedom pitch circle internal messing |
| KR20190001542A (en) * | 2017-06-27 | 2019-01-04 | 나부테스코 가부시키가이샤 | Decelerator |
| CN109139816A (en) * | 2017-06-27 | 2019-01-04 | 纳博特斯克有限公司 | Retarder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3550433B2 (en) | 2004-08-04 |
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