JPS61145783U - - Google Patents
Info
- Publication number
- JPS61145783U JPS61145783U JP2720185U JP2720185U JPS61145783U JP S61145783 U JPS61145783 U JP S61145783U JP 2720185 U JP2720185 U JP 2720185U JP 2720185 U JP2720185 U JP 2720185U JP S61145783 U JPS61145783 U JP S61145783U
- Authority
- JP
- Japan
- Prior art keywords
- suspension lock
- pilot check
- valve
- pilot
- check valve
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Description
第1図はクレーンの側面図、第2図は本考案一
実施例の構成説明図、第3図は制御回路の構成説
明図である。
18は前左側パイロツトチエツク弁、19は前
右側パイロツトチエツク弁、20は後左側パイロ
ツトチエツク弁、21は後右側パイロツトチエツ
ク弁、22は前側サスロツクパイロツト弁、23
は後側サスロツクパイロツト弁、Aは制御回路。
FIG. 1 is a side view of a crane, FIG. 2 is an explanatory diagram of the configuration of an embodiment of the present invention, and FIG. 3 is an explanatory diagram of the configuration of a control circuit. 18 is a front left pilot check valve, 19 is a front right pilot check valve, 20 is a rear left pilot check valve, 21 is a rear right pilot check valve, 22 is a front suspension lock pilot valve, 23
is the rear suspension lock pilot valve, and A is the control circuit.
Claims (1)
ド側、ロツド側管路に設けられた前左側パイロツ
トチエツク弁18と、前右側サスペンシヨンロツ
クシリンダ2のヘツド側、ロツド側管路に設けら
れた前右側パイロツトチエツク弁19と、後左側
サスペンシヨンロツクシリンダ3のヘツド側、ロ
ツド側管路に設けられた後左側パイロツトチエツ
ク弁20と、後右側サスペンシヨンロツクシリン
ダ4のヘツド側、ロツド側管路に設けられた後右
側パイロツトチエツク弁21と、前左、右側パイ
ロツトチエツク弁18,19の開閉作動を行う前
側サスロツクパイロツト弁22と、後左、右側パ
イロツトチエツク弁20,21の開閉作動を行う
後側サスロツクパイロツト弁23と、センサの検
出信号により旋回中のローリング状態を判断しロ
ーリング防止が必要と判断したとき前、後側サス
ロツクパイロツト弁22,23を切換作動する制
御回路Aとを備えたことを特徴とするクレーンの
サスペンシヨンロツク装置。 A front left pilot check valve 18 is provided in the head side and rod side conduits of the front left suspension lock cylinder 1, and a front right pilot check valve is provided in the head and rod side conduits of the front right suspension lock cylinder 2. The valve 19 is provided in the head side and rod side conduit of the rear left suspension lock cylinder 3.The rear left pilot check valve 20 is provided in the head side and rod side conduit of the rear right suspension lock cylinder 4. A front suspension lock pilot valve 22 that opens and closes the rear right pilot check valve 21, the front left and right pilot check valves 18 and 19, and the rear suspension lock that opens and closes the rear left and right pilot check valves 20 and 21. It is equipped with a pilot valve 23 and a control circuit A that determines the rolling state during turning based on the detection signal of the sensor and switches and operates the front and rear suspension lock pilot valves 22 and 23 when it is determined that rolling prevention is necessary. A unique crane suspension lock device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2720185U JPS61145783U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2720185U JPS61145783U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61145783U true JPS61145783U (en) | 1986-09-08 |
Family
ID=30523927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2720185U Pending JPS61145783U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61145783U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58214406A (en) * | 1982-06-05 | 1983-12-13 | Toyoda Autom Loom Works Ltd | Axle fixing means in industrial vehicle |
-
1985
- 1985-02-28 JP JP2720185U patent/JPS61145783U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58214406A (en) * | 1982-06-05 | 1983-12-13 | Toyoda Autom Loom Works Ltd | Axle fixing means in industrial vehicle |