JPH0417441U - - Google Patents
Info
- Publication number
- JPH0417441U JPH0417441U JP5830390U JP5830390U JPH0417441U JP H0417441 U JPH0417441 U JP H0417441U JP 5830390 U JP5830390 U JP 5830390U JP 5830390 U JP5830390 U JP 5830390U JP H0417441 U JPH0417441 U JP H0417441U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- operates
- valve
- drive device
- main 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
- 239000012530 fluid Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Shovels (AREA)
Description
第１図は本考案の一実施例を示す土工車両の流
体圧回路図、第２図は同じくメインバルブの制御
用流体圧回路図、第３図は土工車両の側面図、第
４図は操作レバーの斜視図、第５図は制御装置の
作動チヤート、第６図はバケツトの起こし角の変
化を示す図、第７図は土工車両のすくい込み作業
時の状態を示す図、第８図は土工車両のダンプ車
への積み込み作業時の状態を示す図である。
２……ブーム、３……バケツト、１２……バケ
ツトシリンダ、１７……バケツトレバー、２０…
…メインバルブ、２２……パイロツトバルブ、２
４……制御バルブ、２５……駆動装置、２６……
振動用スイツチ、２７……制御装置。
Fig. 1 is a fluid pressure circuit diagram of an earthmoving vehicle showing an embodiment of the present invention, Fig. 2 is a fluid pressure circuit diagram for controlling the main valve, Fig. 3 is a side view of the earthmoving vehicle, and Fig. 4 is an operation diagram. A perspective view of the lever, Figure 5 is an operation chart of the control device, Figure 6 is a diagram showing changes in the raising angle of the bucket, Figure 7 is a diagram showing the state of the earthmoving vehicle during scooping work, and Figure 8 is a diagram showing the change in the raising angle of the bucket. It is a figure showing the state at the time of loading work of an earthworks vehicle into a dump truck. 2...Boom, 3...Bucket, 12...Bucket cylinder, 17...Bucket Trevor, 20...
...Main valve, 22...Pilot valve, 2
4... Control valve, 25... Drive device, 26...
Vibration switch, 27...control device.
Claims (1)
るバケツトシリンダと、該バケツトシリンダを作
動させるメインバルブとを備え、該メインバルブ
の制御用流体圧回路に、バケツトレバーの手動操
作により作動するパイロツトバルブと、メインバ
ルブへの流体圧供給方向を一定の周期で切換える
制御バルブとが介設され、該制御バルブを作動さ
せる駆動装置と、該駆動装置をバケツトレバーの
中立時でかつ振動用スイツチのオン時にのみ一定
周期で駆動してバケツトを振動させる制御装置と
が設けられたことを特徴とする土工車両のバケツ
ト振動装置。 A bucket cylinder that rotates a bucket supported at the tip of a boom, and a main valve that operates the bucket cylinder, and a pilot actuated by manual operation of the bucket lever in a fluid pressure circuit for controlling the main valve. A valve and a control valve that switches the direction of fluid pressure supply to the main valve at regular intervals are interposed, a drive device that operates the control valve, and a drive device that operates the drive device when the bucket lever is in the neutral state and when the vibration switch is activated. A bucket vibrating device for an earthmoving vehicle, characterized in that it is provided with a control device that vibrates the bucket by driving it at a constant cycle only when it is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5830390U JPH0417441U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5830390U JPH0417441U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417441U true JPH0417441U (en) | 1992-02-13 |
Family
ID=31583789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5830390U Pending JPH0417441U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417441U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968446A (en) * | 1982-10-08 | 1984-04-18 | Kayaba Ind Co Ltd | Hydraulic control of excavator |
-
1990
- 1990-05-31 JP JP5830390U patent/JPH0417441U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968446A (en) * | 1982-10-08 | 1984-04-18 | Kayaba Ind Co Ltd | Hydraulic control of excavator |
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