JPH027377U - - Google Patents
Info
- Publication number
- JPH027377U JPH027377U JP8656088U JP8656088U JPH027377U JP H027377 U JPH027377 U JP H027377U JP 8656088 U JP8656088 U JP 8656088U JP 8656088 U JP8656088 U JP 8656088U JP H027377 U JPH027377 U JP H027377U
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- hydraulic
- main
- hydraulic cylinders
- cylinders
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案のコンクリートポンプの油圧駆
動回路の実施例を示す概略図、第２図は従来の例
を示す概略図、第３図は従来のピストンロツドを
示す図である。
１，２……主油圧シリンダ、３，４……コンク
リートシリンダ、５……洗浄室、６，７……コン
クリートピストン、８，９……油圧ピストン、１
０，１１……ロツド、１２……密封回路、１３，
１４……主管路、１５……両傾転油ポンプ、１８
……タンク、１９……引抜四方弁、２０……油ポ
ンプ、２２……バルブ。
FIG. 1 is a schematic diagram showing an embodiment of a hydraulic drive circuit for a concrete pump according to the present invention, FIG. 2 is a schematic diagram showing a conventional example, and FIG. 3 is a diagram showing a conventional piston rod. 1, 2... Main hydraulic cylinder, 3, 4... Concrete cylinder, 5... Washing chamber, 6, 7... Concrete piston, 8, 9... Hydraulic piston, 1
0,11... Rod, 12... Sealed circuit, 13,
14... Main pipeline, 15... Double tilting oil pump, 18
... Tank, 19 ... Four-way extraction valve, 20 ... Oil pump, 22 ... Valve.
Claims (1)
ピストンと２本の主油圧シリンダ内の油圧ピスト
ンとをロツドを介し連結し、上記両油圧シリンダ
のロツド側を密封回路で接続すると共に、両主油
圧シリンダのヘツド側を両傾転油ポンプに主管路
を介して接続し、且つ上記主管路を引抜弁を介し
てタンクに接続し、更に、上記密封回路にバルブ
を介して油ポンプを接続してなることを特徴とす
るコンクリートポンプの油圧駆動回路。 The concrete pistons in the two concrete cylinders and the hydraulic pistons in the two main hydraulic cylinders are connected via rods, and the rod sides of both hydraulic cylinders are connected by a sealed circuit, and the head sides of both main hydraulic cylinders are connected via a rod. is connected to the double tilting oil pump via a main pipe, the main pipe is connected to a tank via a withdrawal valve, and the oil pump is further connected to the sealed circuit via a valve. Hydraulic drive circuit for concrete pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086560U JP2511469Y2 (en) | 1988-06-29 | 1988-06-29 | Hydraulic drive circuit for concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086560U JP2511469Y2 (en) | 1988-06-29 | 1988-06-29 | Hydraulic drive circuit for concrete pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH027377U true JPH027377U (en) | 1990-01-18 |
| JP2511469Y2 JP2511469Y2 (en) | 1996-09-25 |
Family
ID=31311199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086560U Expired - Lifetime JP2511469Y2 (en) | 1988-06-29 | 1988-06-29 | Hydraulic drive circuit for concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511469Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634157A (en) * | 1979-08-15 | 1981-04-06 | Shinshirasuna Denki Kk | Tape tension detection mechanism for tape recorder |
| JPS58100283U (en) * | 1981-12-28 | 1983-07-07 | 石川島播磨重工業株式会社 | Concrete pump hydraulic control circuit |
-
1988
- 1988-06-29 JP JP1988086560U patent/JP2511469Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634157A (en) * | 1979-08-15 | 1981-04-06 | Shinshirasuna Denki Kk | Tape tension detection mechanism for tape recorder |
| JPS58100283U (en) * | 1981-12-28 | 1983-07-07 | 石川島播磨重工業株式会社 | Concrete pump hydraulic control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511469Y2 (en) | 1996-09-25 |
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