JPH0252508U - - Google Patents
Info
- Publication number
- JPH0252508U JPH0252508U JP12997388U JP12997388U JPH0252508U JP H0252508 U JPH0252508 U JP H0252508U JP 12997388 U JP12997388 U JP 12997388U JP 12997388 U JP12997388 U JP 12997388U JP H0252508 U JPH0252508 U JP H0252508U
- Authority
- JP
- Japan
- Prior art keywords
- working part
- speed
- adjustment means
- deceleration
- prevention
- 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
- 230000002265 prevention Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は、本考案に係る作業用走行車のダツシン
グ防止制御装置の一実施例を示したものであつて
、第１図は農用トラクタの全体側面図、第２図は
油圧ハウジングの側面図、第３図は同上平面図、
第４図は油圧機構の要部を示す概略説明図、第５
図はダツシング防止装置の縦断面図、、第６図Ａ
，Ｂ，Ｃはそれぞれ上昇作動時、下降作動時（通
常速度）、下降作動時（ダツシング防止速度）の
各部の状態を示す作用説明図、第７図はポペツト
の調節範囲を示すダツシング防止装置の要部縦断
面図である。
図中、１は走行機体、２は作業部、４は油圧シ
リンダ、５はリフトアーム、１０はダツシング防
止装置、１３は速度調節レバー、１５はポペツト
、１７は連結ロツド、１７ａはターンバツクルで
ある。
The drawings show an embodiment of the douching prevention control device for a work vehicle according to the present invention, in which Fig. 1 is an overall side view of an agricultural tractor, Fig. 2 is a side view of a hydraulic housing, and Fig. 2 is a side view of a hydraulic housing. Figure 3 is the same plan view as above;
Figure 4 is a schematic explanatory diagram showing the main parts of the hydraulic mechanism, Figure 5
The figure is a longitudinal sectional view of the douching prevention device, Figure 6A
, B, and C are operation explanatory diagrams showing the state of each part during upward operation, downward operation (normal speed), and downward operation (dashing prevention speed), respectively. Figure 7 shows the adjustment range of the poppet of the anti-douching device. It is a longitudinal cross-sectional view of the main part. In the figure, 1 is a traveling machine body, 2 is a working part, 4 is a hydraulic cylinder, 5 is a lift arm, 10 is a dashing prevention device, 13 is a speed adjustment lever, 15 is a poppet, 17 is a connecting rod, and 17a is a turnbuckle.
Claims (1)
油圧シリンダから作業部下降時に排出される油の
流量を、作業部が作業高さになる前の段階で制限
して作業部下降速度を減速するダツシング防止制
御機構を設けてなる作業用走行車において、前記
ダツシング防止制御機構に、減速制御開始位置調
節手段と減速速度調節手段とを設けると共に、該
減速速度調節手段における速度調節範囲の下限を
停止速度に設定したことを特徴とする作業用走行
車のダツシング防止制御装置。 Dutching prevention that reduces the speed of descent of the working part by limiting the flow rate of oil discharged from the hydraulic cylinder for raising and lowering the working part, which swings the lift arm up and down, when the working part is lowered, before the working part reaches the working height. In the work vehicle provided with a control mechanism, the dashing prevention control mechanism is provided with a deceleration control start position adjustment means and a deceleration speed adjustment means, and the lower limit of the speed adjustment range of the deceleration speed adjustment means is set to a stop speed. A douching prevention control device for a work vehicle, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988129973U JPH084818Y2 (en) | 1988-10-05 | 1988-10-05 | Dashing prevention control device for work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988129973U JPH084818Y2 (en) | 1988-10-05 | 1988-10-05 | Dashing prevention control device for work vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0252508U true JPH0252508U (en) | 1990-04-16 |
| JPH084818Y2 JPH084818Y2 (en) | 1996-02-14 |
Family
ID=31384728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988129973U Expired - Lifetime JPH084818Y2 (en) | 1988-10-05 | 1988-10-05 | Dashing prevention control device for work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084818Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6134766A (en) * | 1984-07-26 | 1986-02-19 | Matsushita Electric Ind Co Ltd | Drop-out compensating circuit |
| JPS6314926A (en) * | 1986-07-07 | 1988-01-22 | Nippon Solid Co Ltd | Underwater soil and sand-sampling and charging work |
| JPS63129408U (en) * | 1987-02-17 | 1988-08-24 |
-
1988
- 1988-10-05 JP JP1988129973U patent/JPH084818Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6134766A (en) * | 1984-07-26 | 1986-02-19 | Matsushita Electric Ind Co Ltd | Drop-out compensating circuit |
| JPS6314926A (en) * | 1986-07-07 | 1988-01-22 | Nippon Solid Co Ltd | Underwater soil and sand-sampling and charging work |
| JPS63129408U (en) * | 1987-02-17 | 1988-08-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084818Y2 (en) | 1996-02-14 |