JPH0325651U - - Google Patents
Info
- Publication number
- JPH0325651U JPH0325651U JP8531889U JP8531889U JPH0325651U JP H0325651 U JPH0325651 U JP H0325651U JP 8531889 U JP8531889 U JP 8531889U JP 8531889 U JP8531889 U JP 8531889U JP H0325651 U JPH0325651 U JP H0325651U
- Authority
- JP
- Japan
- Prior art keywords
- swing
- gear shift
- shift pedal
- swivel
- control valve
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図は、本考案に係る旋回変速ペダルを具備
するバツクホーの側面図。第２図は、旋回油圧回
路図。
Ａ……バツクホー、Ｅ……エンジン、Ｐ……油
圧ポンプ、Ｔ……油圧タンク、１……旋回基台、
３……旋回台、１５……旋回変速ペダル、１６…
…旋回油圧モーター、１７……旋回油圧回路、１
８……旋回コントロールバルブ、１９……流量切
替バルブ。
FIG. 1 is a side view of a backhoe equipped with a swing speed change pedal according to the present invention. FIG. 2 is a swing hydraulic circuit diagram. A... Batshoe, E... Engine, P... Hydraulic pump, T... Hydraulic tank, 1... Swivel base,
3...Swivel base, 15...Swivel speed change pedal, 16...
... Swing hydraulic motor, 17... Swing hydraulic circuit, 1
8...Swivel control valve, 19...Flow rate switching valve.
Claims (1)
、油圧ポンプＰとを連通連結する旋回油圧回路１
７中に、旋回操作レバー１２により切替自在の旋
回コントロールバルブ１８を介設し、同バルブ１
８を旋回操作レバー１２により切替操作して、旋
回台３を旋回操作可能としたバツクホーにおいて
、 旋回油圧モーター１６と旋回コントロールバル
ブ１８との間に位置する旋回油圧回路１７中に流
量切替バルブ１９を介設し、同バルブ１９に旋回
変速ペダル１５を連動連結して、同ペダル１５の
踏込み操作に連動して流動切替バルブ１９を切替
作動可能としたことを特徴とする旋回変速ペダル
を具備する旋回型作業車。[Scope of Claim for Utility Model Registration] A swing hydraulic circuit 1 that communicates and connects a swing hydraulic motor 16 that swings a swing table 3 and a hydraulic pump P.
7, a swing control valve 18 which can be freely switched by a swing operation lever 12 is installed, and the valve 1
In a backhoe in which the swivel table 3 can be swiveled by switching the swivel control valve 8 with the swivel operation lever 12, a flow rate switching valve 19 is installed in the swing hydraulic circuit 17 located between the swing hydraulic motor 16 and the swing control valve 18. A swing gear shift pedal provided with a swing gear shift pedal interposed therein, and a swing gear shift pedal 15 interlocked with the swing gear shift pedal 15, so that the flow switching valve 19 can be switched in conjunction with the depression operation of the pedal 15. Model work vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8531889U JPH0325651U (en) | 1989-07-19 | 1989-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8531889U JPH0325651U (en) | 1989-07-19 | 1989-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325651U true JPH0325651U (en) | 1991-03-15 |
Family
ID=31634393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8531889U Pending JPH0325651U (en) | 1989-07-19 | 1989-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325651U (en) |
-
1989
- 1989-07-19 JP JP8531889U patent/JPH0325651U/ja active Pending