JPS5990653U - Power transmission device for hydraulically driven vehicles - Google Patents
Power transmission device for hydraulically driven vehiclesInfo
- Publication number
- JPS5990653U JPS5990653U JP1982186640U JP18664082U JPS5990653U JP S5990653 U JPS5990653 U JP S5990653U JP 1982186640 U JP1982186640 U JP 1982186640U JP 18664082 U JP18664082 U JP 18664082U JP S5990653 U JPS5990653 U JP S5990653U
- Authority
- JP
- Japan
- Prior art keywords
- line
- charge
- hydraulically driven
- transmission device
- power transmission
- 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
- Motor Power Transmission Devices (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の油圧式動力伝達装置を示す回路図、第２
図は同装置における油圧ポンプの基本断面図、第３図は
同装置における油圧モータの基本断面図、第４図は同装
置におけるチャージアンドメーンリリーフバルブの断面
図、第５図はこの考案の好適実施例に係わる油圧式動力
伝達装置のブロック回路図、第６図は同装置におけるチ
ャージアンドメーンリリ゛−フバルブのシャトルバルブ
スプール内蔵部の断面図である。
１．２は油圧ポンプ、３，４は油圧モータ、１２Ａ、１
２Ｂ、１３Ａ、１３Ｂは油圧回路、２０゜２１はチャー
ジアンドメーンリリーフバルブ、２４はチャージポンプ
、２５はチャージライン、３０はシンクロナイジングラ
イン、３１はシンクロナイジングバルブ、４１．４２は
ルブケーションバルブ、４５〜５１および５４．５５は
ドライブ圧力の変動圧吸収手段として例示したアキュー
ムレータ、フローレギュレータまたはリリーフバルブ、
低圧カットバルブ、オリフィスおよびアキュームレーテ
ィングピストンである。Figure 1 is a circuit diagram showing a conventional hydraulic power transmission device, Figure 2 is a circuit diagram showing a conventional hydraulic power transmission device.
Figure 3 is a basic cross-sectional view of the hydraulic pump in the same device, Figure 3 is a basic cross-sectional view of the hydraulic motor in the same device, Figure 4 is a cross-sectional view of the charge and main relief valve in the same device, and Figure 5 is a preferred embodiment of this invention. FIG. 6 is a block circuit diagram of the hydraulic power transmission device according to the embodiment, and is a sectional view of the shuttle valve spool built-in portion of the charge and main relief valve in the same device. 1.2 is a hydraulic pump, 3 and 4 are hydraulic motors, 12A, 1
2B, 13A, 13B are hydraulic circuits, 20° 21 is a charge and main relief valve, 24 is a charge pump, 25 is a charge line, 30 is a synchronizing line, 31 is a synchronizing valve, 41.42 is a lubrication valve , 45 to 51, and 54.55 are accumulators, flow regulators, or relief valves exemplified as means for absorbing fluctuations in drive pressure;
Low pressure cut valve, orifice and accumulating piston.
Claims (6)
圧ポンプ２基と、該ポンプのそれぞれの吐出圧油で個々
に駆動される左右ファイナルドライブ系の油圧モータ２
基゛と；該モータと前記油圧ポンプとを結ぶ左右ドライ
ブ系のそれぞれにおける高低圧２系統の油圧回路と、該
回路に組込まれた左右のチャージアンドメーンリリーフ
バルブと、該バルブを介して左右ドライブ系の前記油圧
回路相互を接続するシンクロナイジングラインと、該ラ
インに組込まれたシンクロナイジングバルブと、チャー
ジアンドメーンリリーフバルブにチャージ圧油を導入す
るためのチャージラインとを備えた油圧駆動車輛の動力
伝達装置において、車輛の低速走行時等に左右ドライブ
系の油圧回路で生じるドライブ圧力の変動を吸収するた
めの手段をシンクロナイジングライン、チャージライン
、チャージアンドメーンリリーフバルブ、油圧モータの
ルブリケーションバルブパイロットラインの少なくトモ
一つに設けたことを特徴とする油圧駆動車輛の動力伝達
装置。(1) Two left and right drive system hydraulic pumps driven by the power of the engine, and a left and right final drive system hydraulic motor 2 that is individually driven by the pressure oil discharged from each pump.
The basis: two high and low pressure hydraulic circuits in each of the left and right drive systems connecting the motor and the hydraulic pump, the left and right charge and main relief valves built into the circuits, and the left and right drive through the valves. A hydraulically driven vehicle equipped with a synchronizing line that connects the hydraulic circuits of the system, a synchronizing valve built into the line, and a charge line for introducing charge pressure oil to the charge and main relief valve. In power transmission systems, synchronizing lines, charge lines, charge and main relief valves, and hydraulic motor lubricants are used to absorb drive pressure fluctuations that occur in the hydraulic circuits of the left and right drive systems when the vehicle is running at low speeds. A power transmission device for a hydraulically driven vehicle characterized by having a small number of pilot lines and a single valve pilot line.
ジングラインに設けたアキュームレータからなっている
ことを特徴とする実用新案登録請求の範囲第１項記載の
油圧駆動車輛の動力伝達装置。(2) The power transmission device for a hydraulically driven vehicle according to claim 1, wherein the drive pressure fluctuation absorbing means comprises an accumulator provided in a synchronizing line.
ジングラインに設けられて該ラインの圧力が設定以下に
低下した時点で該ラインをカットする低圧カットバルブ
からなっていることを特徴とする実用新案登録請求の範
囲第１項記載の油圧駆動車輛の動力伝達装置。(3) Practical use characterized in that the drive pressure fluctuation pressure absorbing means consists of a low pressure cut valve that is installed in the synchronizing line and cuts off the line when the pressure in the line drops below a set value. A power transmission device for a hydraulically driven vehicle as claimed in claim 1.
ンに設けられて該ラインにおける圧油流量の変動を吸収
するフローレギュレータまたはリリーフバルブからなっ
ていることを特徴とした実用新案登録請求の範囲第１項
記載の油圧駆動車輛の動力伝達装置。(4) The means for absorbing fluctuations in drive pressure comprises a flow regulator or a relief valve that is installed in a charge line and absorbs fluctuations in the flow rate of pressure oil in the line. The power transmission device for a hydraulically driven vehicle according to item 1.
ルブリケーションバルブのパイロットラインに設けられ
て、該バルブスプールの移動速度を制限するためのオリ
フィスからなっていることを特徴とした実用新案登録請
求の範囲第１項記載の油圧駆動車輛の動力伝達装置。(5) Registration of a utility model characterized in that the drive pressure fluctuation absorption means is provided in the pilot line of the lubrication valve of the hydraulic motor and consists of an orifice for limiting the moving speed of the valve spool. A power transmission device for a hydraulically driven vehicle according to claim 1.
ドメーンリリーフバルブにおけるシャトルバルブスプー
ルの両端側ショルダ部に設けられてチャンバ内に通じる
オリフィスと、前記チャンバ内に設けられて常時前記ス
プール側に付勢されたアキュームレーティングピストン
とからなって、ドライブ圧力の変動に対する前記バルブ
スプールの応答時間を遅らせるようになっていることを
特徴とした実用新案登録請求の範囲第１項記載の油圧駆
動車輛の動力伝達装置。(6) The drive pressure fluctuation absorption means includes an orifice provided in the shoulders of both end sides of the shuttle valve spool in the charge and main relief valve and communicating with the chamber, and an orifice provided in the chamber and always attached to the spool side. The power of a hydraulically driven vehicle according to claim 1, characterized in that the hydraulically driven vehicle comprises a biased accumulating piston to delay the response time of the valve spool to fluctuations in drive pressure. transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982186640U JPS5990653U (en) | 1982-12-09 | 1982-12-09 | Power transmission device for hydraulically driven vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982186640U JPS5990653U (en) | 1982-12-09 | 1982-12-09 | Power transmission device for hydraulically driven vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5990653U true JPS5990653U (en) | 1984-06-19 |
| JPH0338518Y2 JPH0338518Y2 (en) | 1991-08-14 |
Family
ID=30403087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982186640U Granted JPS5990653U (en) | 1982-12-09 | 1982-12-09 | Power transmission device for hydraulically driven vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007147086A (en) * | 2007-03-06 | 2007-06-14 | Kubota Corp | Vibration control structure of hydraulic device in hydrostatic continuously variable transmission |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150132U (en) * | 1974-10-12 | 1976-04-16 | ||
| JPS5634154U (en) * | 1979-08-24 | 1981-04-03 | ||
| JPS57127061U (en) * | 1981-02-02 | 1982-08-07 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54124369A (en) * | 1978-03-20 | 1979-09-27 | Kubota Ltd | Device for adjusting supporting rollers in a rotary drum machine |
-
1982
- 1982-12-09 JP JP1982186640U patent/JPS5990653U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150132U (en) * | 1974-10-12 | 1976-04-16 | ||
| JPS5634154U (en) * | 1979-08-24 | 1981-04-03 | ||
| JPS57127061U (en) * | 1981-02-02 | 1982-08-07 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007147086A (en) * | 2007-03-06 | 2007-06-14 | Kubota Corp | Vibration control structure of hydraulic device in hydrostatic continuously variable transmission |
| JP4653769B2 (en) * | 2007-03-06 | 2011-03-16 | 株式会社クボタ | Hydrostatic continuously variable transmission for tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338518Y2 (en) | 1991-08-14 |
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