JPH0185117U - - Google Patents
Info
- Publication number
- JPH0185117U JPH0185117U JP1987182079U JP18207987U JPH0185117U JP H0185117 U JPH0185117 U JP H0185117U JP 1987182079 U JP1987182079 U JP 1987182079U JP 18207987 U JP18207987 U JP 18207987U JP H0185117 U JPH0185117 U JP H0185117U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- lifting cylinder
- operated
- neutral position
- working part
- 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
- 230000007935 neutral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 1
Landscapes
- Harvester Elements (AREA)
Description
図面は本考案の１実施例を示し、第１図は本考
案の油圧配管図、第２図はコンバインの全体側面
図、第３図は主変速レバーの操作ガイドを示す平
面図、第４図は可変リリーフ弁の操作系を示す構
造図である。
１：機体、５：作業部（前処理部）、１２：変
速レバー、３１：昇降シリンダ（前処理シリンダ
）、５１：ブレーキシリンダ、５２：ブレーキ回
路、５３：ブレーキバルブ。
The drawings show one embodiment of the present invention; Fig. 1 is a hydraulic piping diagram of the invention, Fig. 2 is an overall side view of the combine harvester, Fig. 3 is a plan view showing the operating guide of the main gear shift lever, and Fig. 4. FIG. 2 is a structural diagram showing the operation system of the variable relief valve. 1: Aircraft body, 5: Working part (pre-processing part), 12: Gear shift lever, 31: Elevating cylinder (pre-processing cylinder), 51: Brake cylinder, 52: Brake circuit, 53: Brake valve.
Claims (1)
しめる構造を有し、変速レバー１２を前後進切換
するニユートラル位置で走行機体１のブレーキを
作動させる農作業車において、上記昇降シリンダ
３１の排圧側とブレーキを作動させるブレーキシ
リンダ５１とをブレーキ回路５２により接続し、
該ブレーキ回路５２には前記変速レバー１２がニ
ユートラル位置に操作された時に上記ブレーキ回
路５２を開いて昇降シリンダ３１の作業部ホール
ド圧でブレーキを作動させるブレーキバルブ５３
を介設してなる農作業車の変速ブレーキ装置。 In an agricultural vehicle that has a structure in which the working part 5 is supported upwardly by the lifting cylinder 31, and in which the brake of the traveling body 1 is operated when the gear shift lever 12 is in the neutral position for switching forward or backward, the exhaust side of the lifting cylinder 31 and the brake are actuated. A brake cylinder 51 is connected by a brake circuit 52,
The brake circuit 52 includes a brake valve 53 that opens the brake circuit 52 when the speed change lever 12 is operated to the neutral position and operates the brake using the working part hold pressure of the lifting cylinder 31.
A variable speed brake device for agricultural vehicles that uses
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182079U JPH0712151Y2 (en) | 1987-11-30 | 1987-11-30 | Variable speed brake device for agricultural vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182079U JPH0712151Y2 (en) | 1987-11-30 | 1987-11-30 | Variable speed brake device for agricultural vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185117U true JPH0185117U (en) | 1989-06-06 |
| JPH0712151Y2 JPH0712151Y2 (en) | 1995-03-22 |
Family
ID=31473535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987182079U Expired - Lifetime JPH0712151Y2 (en) | 1987-11-30 | 1987-11-30 | Variable speed brake device for agricultural vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712151Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487562U (en) * | 1990-12-13 | 1992-07-29 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101892698B1 (en) * | 2016-12-31 | 2018-08-28 | 농업회사법인 희망농업기계 주식회사 | Sub-brake system having HST for work vehicles |
-
1987
- 1987-11-30 JP JP1987182079U patent/JPH0712151Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0487562U (en) * | 1990-12-13 | 1992-07-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712151Y2 (en) | 1995-03-22 |
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