JPS5985790U - Cab tilt safety device - Google Patents
Cab tilt safety deviceInfo
- Publication number
- JPS5985790U JPS5985790U JP18177082U JP18177082U JPS5985790U JP S5985790 U JPS5985790 U JP S5985790U JP 18177082 U JP18177082 U JP 18177082U JP 18177082 U JP18177082 U JP 18177082U JP S5985790 U JPS5985790 U JP S5985790U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- cab
- safety device
- tilt
- contact
- 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
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来技術を示すキャブチルトの安全装置の概略
構成図、第２図はその回路図、第３図はこの考案の安全
装置の概略構成図、第４図はその概略回路図である。
１・・・キャブ、２・・・車体フレーム、４・・・油圧
シリンダ、５ａ・・・メインスイッチ、６・・・油圧ポ
ンプ、７・・・切換バルブ、９・・・ブザー、１０・・
・チルトストッパ、１２・・・スイッチ、１３・・・突
起、１７・・−ｏ７り装置、１８・・・回路、１９・・
・リレースイッチ、２０・・・回路、２１・・・切換ス
イッチ、２２・・・ランプ、２３・・・スイッチ。FIG. 1 is a schematic diagram of a conventional cab tilt safety device, FIG. 2 is a circuit diagram thereof, FIG. 3 is a schematic diagram of a safety device of this invention, and FIG. 4 is a schematic circuit diagram thereof. DESCRIPTION OF SYMBOLS 1... Cab, 2... Body frame, 4... Hydraulic cylinder, 5a... Main switch, 6... Hydraulic pump, 7... Switching valve, 9... Buzzer, 10...
・Tilt stopper, 12...Switch, 13...Protrusion, 17...-O7 device, 18...Circuit, 19...
-Relay switch, 20...circuit, 21...changeover switch, 22...lamp, 23...switch.
Claims (1)
せるようにしたキャブチルト装置においてζ油圧シリン
タ′駆動用の油圧ポンプに電流を供給する回路の途中に
リレースイッチを介装する一方、油圧ポンプから油圧シ
リンダへと流れる作動油の流れを制御する切換バルブに
連動し、キャブの上昇側と下降側とでそれぞれ上昇側接
点又は下降側接点に切換わる切換スイッチおよび操作ス
イッチを介してリレースイッチの通電を制御する回路の
途中に警報器を並列的に設けるとともに、上記切換スイ
ッチと警報器との間で、切換スイッチ、 の上昇側
接点につながりキャブが最上昇位置にある時にのみＯＦ
Ｆとなるスイッチと、切換ス、イツチの下降側接点につ
ながりキャブロック時にのみ０ｒＦとなるスイッチとを
並列的に設けたことを特徴とするキャブチルトの安全装
置。In a cab tilt device that uses a hydraulic cylinder to tilt the cab with respect to the vehicle body frame, a relay switch is installed in the middle of the circuit that supplies current to the hydraulic pump for driving the ζhydraulic cylinder', and a relay switch is inserted between the hydraulic pump and the hydraulic cylinder. The energization of the relay switch is controlled via a changeover switch and an operation switch that switch to the ascending contact or descending contact on the ascending and descending sides of the cab, respectively, in conjunction with a switching valve that controls the flow of hydraulic oil. An alarm is installed in parallel in the middle of the circuit, and between the above changeover switch and the alarm, the changeover switch is connected to the rising side contact and turns off only when the cab is in the highest position.
A cab tilt safety device characterized in that a switch that becomes F and a switch that connects to the lowering side contact of the switching switch and that becomes 0 rF only when the cab is locked are provided in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18177082U JPS5985790U (en) | 1982-11-30 | 1982-11-30 | Cab tilt safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18177082U JPS5985790U (en) | 1982-11-30 | 1982-11-30 | Cab tilt safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5985790U true JPS5985790U (en) | 1984-06-09 |
Family
ID=30393813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18177082U Pending JPS5985790U (en) | 1982-11-30 | 1982-11-30 | Cab tilt safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5985790U (en) |
-
1982
- 1982-11-30 JP JP18177082U patent/JPS5985790U/en active Pending
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