JPH0465806U - - Google Patents
Info
- Publication number
- JPH0465806U JPH0465806U JP11029890U JP11029890U JPH0465806U JP H0465806 U JPH0465806 U JP H0465806U JP 11029890 U JP11029890 U JP 11029890U JP 11029890 U JP11029890 U JP 11029890U JP H0465806 U JPH0465806 U JP H0465806U
- Authority
- JP
- Japan
- Prior art keywords
- pressure control
- servo valve
- control servo
- travel
- controlling
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005056 compaction Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Road Paving Machines (AREA)
Description
第１図は本考案の実施例の要部の構成を示すブ
ロツク図、第２図は従来装置の構成を示すブロツ
ク図、第３図は従来使用のコントロール・ハンド
ルの斜視図である。
１……油タンク、２……作業・走行用可変容量
形油圧ポンプ、３……可変抵抗素子、４……走行
用油圧モータ、５……圧力制御サーボ弁、６……
直流電源、７……ブリツジ回路、８……コントロ
ーラ。
FIG. 1 is a block diagram showing the configuration of essential parts of an embodiment of the present invention, FIG. 2 is a block diagram showing the configuration of a conventional device, and FIG. 3 is a perspective view of a conventionally used control handle. 1...Oil tank, 2...Variable displacement hydraulic pump for work/travel, 3...Variable resistance element, 4...Hydraulic motor for travel, 5...Pressure control servo valve, 6...
DC power supply, 7...bridge circuit, 8...controller.
Claims (1)
容量形油圧ポンプの斜板の傾転角度を制御する圧
力制御サーボ弁と、上記圧力制御サーボ弁の入力
側がその出力端に接続されるとともにその入力端
が直流電源に接続される走行速度と走行方向との
制御用ブリツジ回路とを備えるものにおいて、上
記圧力制御サーボ弁の入力側と上記ブリツジ回路
の出力端との間に走行速度の制御用可変抵抗素子
が接続されて構成することを特徴とする転圧機械
の走行速度調整装置。 A pressure control servo valve that controls the tilting angle of the swash plate of a variable displacement hydraulic pump for work and travel that drives a travel hydraulic motor, and an input side of the pressure control servo valve is connected to its output end, and A bridge circuit for controlling the traveling speed and the traveling direction, the end of which is connected to a DC power supply, and a variable circuit for controlling the traveling speed between the input side of the pressure control servo valve and the output end of the bridge circuit. A running speed adjusting device for a rolling compaction machine, characterized in that it is configured by connecting a resistance element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11029890U JP2511829Y2 (en) | 1990-10-22 | 1990-10-22 | Travel speed adjustment device for compaction machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11029890U JP2511829Y2 (en) | 1990-10-22 | 1990-10-22 | Travel speed adjustment device for compaction machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465806U true JPH0465806U (en) | 1992-06-09 |
| JP2511829Y2 JP2511829Y2 (en) | 1996-09-25 |
Family
ID=31857618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11029890U Expired - Fee Related JP2511829Y2 (en) | 1990-10-22 | 1990-10-22 | Travel speed adjustment device for compaction machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511829Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019049115A (en) * | 2017-09-08 | 2019-03-28 | 日立建機株式会社 | Rolling compaction machine |
-
1990
- 1990-10-22 JP JP11029890U patent/JP2511829Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019049115A (en) * | 2017-09-08 | 2019-03-28 | 日立建機株式会社 | Rolling compaction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511829Y2 (en) | 1996-09-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |