JPH0218662U - - Google Patents

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Publication number
JPH0218662U
JPH0218662U JP9375088U JP9375088U JPH0218662U JP H0218662 U JPH0218662 U JP H0218662U JP 9375088 U JP9375088 U JP 9375088U JP 9375088 U JP9375088 U JP 9375088U JP H0218662 U JPH0218662 U JP H0218662U
Authority
JP
Japan
Prior art keywords
main
main pipe
pressure
hydraulic
detect
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
Application number
JP9375088U
Other languages
Japanese (ja)
Other versions
JP2511471Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988093750U priority Critical patent/JP2511471Y2/en
Publication of JPH0218662U publication Critical patent/JPH0218662U/ja
Application granted granted Critical
Publication of JP2511471Y2 publication Critical patent/JP2511471Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例を示す概略図、第２図
は本考案の電気回路ブロツク図、第３図は従来の
方式を示す概略図、第４図は主油圧シリンダの内
部を示す断面図である。 １，２……主油圧シリンダ、４，５……主管路
、６……両傾転油ポンプ、７……油圧ピストン、
１０……磁気センサ、１１……制御装置、１２…
…磁石、１３……圧力センサ、１５……反転出力
発生回路。 Fig. 1 is a schematic diagram showing an embodiment of the present invention, Fig. 2 is an electric circuit block diagram of the invention, Fig. 3 is a schematic diagram showing a conventional system, and Fig. 4 is a cross section showing the inside of the main hydraulic cylinder. It is a diagram. 1, 2... Main hydraulic cylinder, 4, 5... Main pipe line, 6... Double tilting oil pump, 7... Hydraulic piston,
10...Magnetic sensor, 11...Control device, 12...
...Magnet, 13...Pressure sensor, 15...Reverse output generation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２本の主油圧シリンダを主管路を介して両傾転
油ポンプに接続し、且つ上記主油圧シリンダ内の
油圧ピストンが前進時に通過したことを検知する
センサを主油圧シリンダ内に設け、該センサから
の切換信号により上記両傾転油ポンプを切り換え
るようにする制御装置を備えたコンクリートポン
プの切換装置において、上記主管路の油圧を検出
するため主管路に接続した圧力センサと、該圧力
センサからの信号により上記制御装置に切換信号
を出す反転出力発生回路とを備えたことを特徴と
するコンクリートポンプの切換装置。 The two main hydraulic cylinders are connected to a double tilting oil pump via main pipes, and a sensor is provided in the main hydraulic cylinder to detect when a hydraulic piston in the main hydraulic cylinder passes during forward movement, and the sensor A concrete pump switching device comprising a control device that switches the double tilting oil pump in response to a switching signal from the main pipe, a pressure sensor connected to the main pipe for detecting the oil pressure in the main pipe, and a pressure sensor connected to the main pipe to detect the hydraulic pressure in the main pipe, A switching device for a concrete pump, comprising: an inverted output generation circuit that outputs a switching signal to the control device based on the signal.
JP1988093750U 1988-07-15 1988-07-15 Switching device for concrete pump Expired - Lifetime JP2511471Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988093750U JP2511471Y2 (en) 1988-07-15 1988-07-15 Switching device for concrete pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988093750U JP2511471Y2 (en) 1988-07-15 1988-07-15 Switching device for concrete pump

Publications (2)

Publication Number Publication Date
JPH0218662U true JPH0218662U (en) 1990-02-07
JP2511471Y2 JP2511471Y2 (en) 1996-09-25

Family

ID=31318224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988093750U Expired - Lifetime JP2511471Y2 (en) 1988-07-15 1988-07-15 Switching device for concrete pump

Country Status (1)

Country Link
JP (1) JP2511471Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007530855A (en) * 2004-03-26 2007-11-01 プッツマイスター アクチエンゲゼルシャフト Concentrated material pump control apparatus and control method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877157U (en) * 1981-11-19 1983-05-25 石川島播磨重工業株式会社 Concrete pump operation control device
JPS6193282A (en) * 1984-10-11 1986-05-12 Kyokuto Kaihatsu Kogyo Co Ltd Operation control device in piston pump for feeding fluid under pressure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877157U (en) * 1981-11-19 1983-05-25 石川島播磨重工業株式会社 Concrete pump operation control device
JPS6193282A (en) * 1984-10-11 1986-05-12 Kyokuto Kaihatsu Kogyo Co Ltd Operation control device in piston pump for feeding fluid under pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007530855A (en) * 2004-03-26 2007-11-01 プッツマイスター アクチエンゲゼルシャフト Concentrated material pump control apparatus and control method

Also Published As

Publication number Publication date
JP2511471Y2 (en) 1996-09-25

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