JPS5897029U - Hydraulic circuit device for traveling - Google Patents
Hydraulic circuit device for travelingInfo
- Publication number
- JPS5897029U JPS5897029U JP19179581U JP19179581U JPS5897029U JP S5897029 U JPS5897029 U JP S5897029U JP 19179581 U JP19179581 U JP 19179581U JP 19179581 U JP19179581 U JP 19179581U JP S5897029 U JPS5897029 U JP S5897029U
- Authority
- JP
- Japan
- Prior art keywords
- travel motor
- travel
- switching
- valve
- connects
- 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.)
- Pending
Links
Landscapes
- Motor Power Transmission Devices (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (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図は従来の走行用油圧回路装置の構成説明図、第２
図は本考案−実施例の構成説明図、第３図は連動機構の
斜視図、第４図は同平面図、第５図は同作用説明図、第
６図は連動機構の他の実施態様の斜視図である。
１は左走行バルブ、２は右走行バルブ、３は変速パイロ
ット弁、４は左走行モータ、５は右走行モータ、１３は
二段切換弁。Figure 1 is an explanatory diagram of the configuration of a conventional hydraulic circuit device for traveling;
3 is a perspective view of the interlocking mechanism, FIG. 4 is a plan view of the same, FIG. 5 is an explanatory view of the same operation, and FIG. 6 is another embodiment of the interlocking mechanism. FIG. 1 is a left travel valve, 2 is a right travel valve, 3 is a variable speed pilot valve, 4 is a left travel motor, 5 is a right travel motor, and 13 is a two-stage switching valve.
Claims (1)
１の切換操作で左走行モータ４に接続する左走行モータ
回路Ａと、右走行用ポンプ１０の吐出側を右走行バルブ
２の切換操作で右走行モータ５に接続する右走行モータ
回路Ｂと、下部走行体側に設けられて切換えにより左、
右走行モータ回路Ａ、 Ｂの前進側または後進側に吐出
している油圧を合流し且つ左、右走行モータ４，５をシ
リーズに接続する二段切換弁１３と、左、右走行バルブ
１．２・に連動して前進側ストロークエンド付近または
後進側ストロークエンド付近にあるときパイロット圧で
前記二段切換弁１３を切換制御する変速パイロット弁３
とを備えたことを特徴とする走行用油圧回路装置。- The left travel motor circuit A connects the discharge side of the left travel pump 6 to the left travel motor 4 by switching the left travel valve 1, and connects the discharge side of the right travel pump 10 to the right travel motor by switching the right travel valve 2. The right travel motor circuit B connects to the travel motor 5, and the left travel motor circuit B is provided on the lower traveling body side and is connected to the left travel motor circuit by switching.
A two-stage switching valve 13 that merges the hydraulic pressure discharged to the forward or reverse side of the right travel motor circuits A and B and connects the left and right travel motors 4 and 5 in series, and the left and right travel valves 1. 2. A variable speed pilot valve 3 that controls switching of the two-stage switching valve 13 using pilot pressure when it is near the forward stroke end or the reverse stroke end in conjunction with 2.
A traveling hydraulic circuit device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19179581U JPS5897029U (en) | 1981-12-24 | 1981-12-24 | Hydraulic circuit device for traveling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19179581U JPS5897029U (en) | 1981-12-24 | 1981-12-24 | Hydraulic circuit device for traveling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5897029U true JPS5897029U (en) | 1983-07-01 |
Family
ID=30105240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19179581U Pending JPS5897029U (en) | 1981-12-24 | 1981-12-24 | Hydraulic circuit device for traveling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5897029U (en) |
-
1981
- 1981-12-24 JP JP19179581U patent/JPS5897029U/en active Pending
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