TRANSMISSION FOR TRAVELING VEHICLE

To provide a transmission for a crawler traveling vehicle capable of suppressing the enlargement of a transmission case by compactly disposing a transmission system gear mechanism and a turning system gear mechanism.SOLUTION: A transmission 1 for a crawler traveling vehicle is equipped with a rectil...

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Bibliographische Detailangaben
1. Verfasser:	YAMAGISHI NORIYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide a transmission for a crawler traveling vehicle capable of suppressing the enlargement of a transmission case by compactly disposing a transmission system gear mechanism and a turning system gear mechanism.SOLUTION: A transmission 1 for a crawler traveling vehicle is equipped with a rectilinear-propagation pump 31 and a rectilinear-propagation motor 32 of a rectilinear-propagation HST 11, a turning pump 41 and a turning motor 42 of a turning HST 12, and planetary gear mechanisms 13L and 13R. A rectilinear-propagation gear mechanism 17 transmitting power of the rectilinear-propagation motor 32 to a rectilinear-propagation system input portion, and a turning gear mechanism 18 transmitting power of the turning motor 42 to a turning system input portion, are installed inside a transmission case 16. The rectilinear-propagation gear mechanism 17 is equipped with a plurality of rectilinear-propagation power transmission shafts 54 and 57, and the turning gear mechanism 18 is equipped with a plurality of turning power transmission shafts 92 and 96. At least one of the rectilinear-propagation power transmission shafts 54 and 57 and at least one of the turning power transmission shafts 92 and 96 are arranged coaxially and juxtaposed in a shaft length direction.SELECTED DRAWING: Figure 2 【課題】変速系歯車機構と旋回系歯車機構とをコンパクトに配置してミッションケースの大型化を抑制することができるクローラ走行車用のトランスミッションを提供する。【解決手段】直進用ＨＳＴ１１の直進ポンプ３１及び直進モータ３２と、旋回用ＨＳＴ１２の旋回ポンプ４１及び旋回モータ４２と、遊星ギヤ機構１３Ｌ・１３Ｒと、を備え、直進モータ３２の動力を直進系入力部に伝達する直進ギヤ機構１７と、旋回モータ４２の動力を旋回系入力部に伝達する旋回ギヤ機構１８と、をミッションケース１６に内設させるクローラ走行車用のトランスミッション１において、直進ギヤ機構１７は、複数の直進用動力伝達軸５４・５７を備え、旋回ギヤ機構１８は複数の旋回用動力伝達軸９２・９６を備え、直進用動力伝達軸５４・５７の内の少なくとも一つと旋前記回用動力伝達軸９２・９６の少なくとも一つとが同一軸心上であって、かつ、軸長さ方向に並置されている。【選択図】図２