JPS6373299U - - Google Patents
Info
- Publication number
- JPS6373299U JPS6373299U JP16892986U JP16892986U JPS6373299U JP S6373299 U JPS6373299 U JP S6373299U JP 16892986 U JP16892986 U JP 16892986U JP 16892986 U JP16892986 U JP 16892986U JP S6373299 U JPS6373299 U JP S6373299U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- diversion
- conduit
- leveling
- operating
- 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
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
図面は本考案の実施例を示し、第１図は非常用
回路を示す油圧回路図、第２図は高所作業車の側
面図、第３図は他の実施例を示す非常用回路の油
圧回路図である。
５……起伏シリンダ、７……レベリングバルブ
、８……レベリングシリンダ、１０……油圧ポン
プ、１１……プライオリテイバルブ、１２……操
作バルブ、１３……ホールデイングバルブ、１５
……ストツプバルブ。
The drawings show an embodiment of the present invention, Fig. 1 is a hydraulic circuit diagram showing an emergency circuit, Fig. 2 is a side view of an aerial work vehicle, and Fig. 3 is a hydraulic diagram of an emergency circuit showing another embodiment. It is a circuit diagram. 5... Lifting cylinder, 7... Leveling valve, 8... Leveling cylinder, 10... Hydraulic pump, 11... Priority valve, 12... Operation valve, 13... Holding valve, 15
...stop valve.
Claims (1)
に連結され分流弁により油圧ポンプより吐出され
た圧油が優先的に供給されるレベリングバルブと
、このレベリングバルブに連結されたレベリング
シリンダと、分流弁に連結された操作バルブと、
この操作バルブに連結された起伏シリンダと、操
作バルブと起伏シリンダの伸長側油室とを連結す
る管路に挿入された手動開放付のホールデイング
バルブと、操作バルブとホールデイングバルブと
を連結する管路と分流弁とベアリングバルブとを
連結する管路とを連結する管路と、この管路に挿
入されたストツプバルブとを備えたことを特徴と
する高所作業車の非常用回路。 A diversion valve connected to a hydraulic pump, a leveling valve connected to the diversion valve to which pressure oil discharged from the hydraulic pump is preferentially supplied, a leveling cylinder connected to the leveling valve, and a diversion valve. an operating valve connected to the valve;
A hoisting cylinder connected to the operating valve, a holding valve with a manual release inserted into a pipe connecting the operating valve and the extension side oil chamber of the hoisting cylinder, and the operating valve and the holding valve are connected. An emergency circuit for an aerial work vehicle characterized by comprising: a conduit connecting a conduit, a conduit connecting a diversion valve and a bearing valve, and a stop valve inserted into the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16892986U JPH0328077Y2 (en) | 1986-10-30 | 1986-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16892986U JPH0328077Y2 (en) | 1986-10-30 | 1986-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6373299U true JPS6373299U (en) | 1988-05-16 |
| JPH0328077Y2 JPH0328077Y2 (en) | 1991-06-17 |
Family
ID=31102269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16892986U Expired JPH0328077Y2 (en) | 1986-10-30 | 1986-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328077Y2 (en) |
-
1986
- 1986-10-30 JP JP16892986U patent/JPH0328077Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328077Y2 (en) | 1991-06-17 |
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