JPS5933709Y2 - work vehicle - Google Patents
work vehicleInfo
- Publication number
- JPS5933709Y2 JPS5933709Y2 JP5044279U JP5044279U JPS5933709Y2 JP S5933709 Y2 JPS5933709 Y2 JP S5933709Y2 JP 5044279 U JP5044279 U JP 5044279U JP 5044279 U JP5044279 U JP 5044279U JP S5933709 Y2 JPS5933709 Y2 JP S5933709Y2
- Authority
- JP
- Japan
- Prior art keywords
- state
- transmission
- engine
- engine starting
- starting device
- 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.)
- Expired
Links
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Description
【考案の詳細な説明】 本考案は作業車に関する。[Detailed explanation of the idea] The present invention relates to a work vehicle.
従来の作業車は、変速装置やクラッチなどの伝動操作装
置を非伝動状態に切換える操作を失念してエンジンを始
動させると、車体が急発進し、例えば、崖際近くでの始
動操作にあって車体の転落事故を招くなど危険性大であ
った。In conventional work vehicles, if you forget to switch the transmission operation device such as the transmission or clutch to a non-transmission state and start the engine, the vehicle body will start suddenly, causing the vehicle to start suddenly near the edge of a cliff. This was extremely dangerous and could cause the vehicle to fall.
本考案は、上述の実情に鑑みて、誤操作による危険な事
態を極めて簡単かつ確実に回避できるようにする事を目
的とする。In view of the above-mentioned circumstances, the present invention aims to make it possible to extremely easily and reliably avoid dangerous situations caused by erroneous operations.
次に、本考案の実施例を図面に基いて詳述する。Next, embodiments of the present invention will be described in detail based on the drawings.
クローラ走行装置1を備えた車体2の後部にディーゼル
エンジン3と操縦部4を並置搭載すると共に、シリンダ
5によって車体前端側の横軸まわりで駆動揺動自在に荷
台6を取付けて運搬作業車を構成しである。A diesel engine 3 and a control section 4 are mounted side by side on the rear of a vehicle body 2 equipped with a crawler traveling device 1, and a loading platform 6 is attached to the vehicle body so that it can be driven and oscillated around a horizontal axis on the front end side of the vehicle body using a cylinder 5, thereby constructing a transport work vehicle. It is composed.
前記ディーゼルエンジン3の電気回路を構成するに、第
2図に示すように、バッテリー7を接続したスタータス
イッチ8のエンジンキー9の抜き差し接点aに、ダイナ
モ10の作動による充電状態で切られるスイッチ11と
、消灯によって充電状態を表示するランプ12を備えた
充電回路Aを接続し、エンジン始動接点すに、セルモー
ターからなるエンジン始動装置13を備えた始動の電源
回路Bを接続し、そしてクラッチに対するペダル14の
踏み込み操作に連動して、そのクラッチ切りによる走行
用駆動輪に対する伝動操作装置が非伝動状態にある事を
検出するスイッチ機構15をペダル14に連係させて設
けて、このスイッチ機構15のA接点15aを前記始動
電気回路Bに介装し、即ち、前記スイッチ機構15をし
て、伝動操作装置が非伝動状態にある事の検出に基いて
エンジン始動装置13を作用可能状態に、かつ前記伝動
操作装置が伝動可能状態にある事の検出に基いて前記エ
ンジン始動装置13を作用不能状態に自動切換えする機
構15を構成して、もってクラッチペダル踏み込みの操
作を失念した状態においてはエンジン3を始動できない
ようにしである。As shown in FIG. 2, the electric circuit of the diesel engine 3 includes a switch 11 that is connected to the connection point a of the engine key 9 of the starter switch 8 to which the battery 7 is connected, and which is turned off when the dynamo 10 is activated. A charging circuit A equipped with a lamp 12 that indicates the state of charge by turning off is connected, a starting power supply circuit B equipped with an engine starting device 13 consisting of a starter motor is connected to the engine starting contact, and A switch mechanism 15 is provided in conjunction with the pedal 14 to detect that the transmission operation device for the driving drive wheels is in a non-transmission state by disengaging the clutch in conjunction with the depression operation of the pedal 14. An A contact 15a is interposed in the starting electric circuit B, that is, the switch mechanism 15 is configured to enable the engine starting device 13 to operate based on the detection that the transmission operating device is in the non-transmission state, and A mechanism 15 is configured to automatically switch the engine starting device 13 to an inoperable state based on the detection that the transmission operation device is in a transmission enabled state, so that when the user forgets to press the clutch pedal, the engine 3 This prevents the engine from starting.
前記ダイナモ10の交流出力端子Nにコイル16を接続
し、このコイル16に対して電流が流れると、前記スイ
ッチ11が切り状態に切換わるようにし、かつその回路
AにリレーRを介装し、そして前記自動切換え機構15
のB接点15bと、前記リレーRに通電している時に閉
じるスイッチ18、及び警報ランプ19を備えた電源回
路Cを前記接点aに接続し、もって、エンジンキー9を
接点aの位置に差し込んだ状態において、前記エンジン
始動装置13が作用不能状態にあると、その状態をラン
プ19の点灯によって警報表示すると共に、自動切換え
機構15によって始動装置13を作用可能状態に切換え
て後にエンジン3を始動させて、再びエンジンキー9を
接点aの位置に戻した状態では、切換え機構15がエン
ジン始動装置13の作用不能状態を検出するにかかわら
ず、充電表示の電源回路Aが切り状態でかつそれに伴っ
てスイッチ18が切られているから、ランプ19の点灯
表示が行なわれないようにしである。A coil 16 is connected to the AC output terminal N of the dynamo 10, and when a current flows through the coil 16, the switch 11 is turned off, and a relay R is interposed in the circuit A, and the automatic switching mechanism 15
B contact 15b, a switch 18 that closes when the relay R is energized, and a power circuit C equipped with an alarm lamp 19 are connected to the contact a, and the engine key 9 is inserted into the contact a position. In this state, if the engine starting device 13 is in an inoperable state, the state is indicated as a warning by lighting a lamp 19, and the automatic switching mechanism 15 switches the starting device 13 to an inoperable state and then starts the engine 3. Then, when the engine key 9 is returned to the contact a position, the power supply circuit A of the charging display is in the OFF state and accordingly, regardless of whether the switching mechanism 15 detects that the engine starting device 13 is inoperable. Since the switch 18 is turned off, the lighting display of the lamp 19 is not performed.
尚、変速装置を駆動輪に対する伝動操作装置として、そ
の変速切換え状態を伝動可能状態とする等、伝動操作装
置の対象を各種選択する事が可能である。Note that it is possible to select various targets for the transmission operation device, such as using the transmission as a transmission operation device for the drive wheels and setting the gear change switching state to a transmission enabled state.
またガソリンエンジンを対象にするも良く、またホイー
ル式走行装置を備えるタイプの作業車を対象にするも良
く、更に作業車として、クレーン車や掘削作業車などの
建設用作業車や農用作業車など各種の対象を選択できる
。It is also possible to target gasoline engines, or to target work vehicles equipped with a wheel-type traveling device. You can select various targets.
以上要するに、本考案による作業車は、走行装置に対す
る伝動操作装置が非伝動状態にある事の検出に基いて、
エンジン始動装置を作用可能状態に、かつ、前記伝動操
作装置が伝動可能状態にある事の検出に基いて、前記エ
ンジン始動装置を作用不能状態に自動切換えする機構を
設け、前記エンジン始動装置が作用不能状態にある事を
点灯表示する警報ランプを設け、その警報ランプの電源
回路に、エンジン作動に伴うバッテリ充電状態を点灯表
示するランプの電源回路が切り状態の時にのみ切られる
スイッチを設けである事を特徴に関する。In summary, the work vehicle according to the present invention detects that the transmission operation device for the traveling device is in a non-transmission state, and
A mechanism is provided for automatically switching the engine starting device to an inoperable state based on detection that the engine starting device is in an operable state and that the transmission operating device is in a transmitting enable state, and the engine starting device is in an operable state. A warning lamp is provided to indicate that the engine is in a disabled state, and a switch is provided in the power circuit of the warning lamp that is turned off only when the power circuit of the lamp, which lights to indicate the state of battery charge accompanying engine operation, is turned off. Concerning the characteristics of things.
即ち、伝動操作装置が伝動可能状態にある時にはエンジ
ンの始動を不能にし、かつランプを点灯させる事によっ
て、操作失念による不測なエンジン始動に伴う危険な事
態を確実に回避する事ができると共に、その状態を容易
に視覚確認させて、所定の始動状態に迅速に操作させる
事ができるようになった。In other words, by disabling the engine from starting and lighting the lamp when the transmission operating device is in the state where transmission is possible, it is possible to reliably avoid dangerous situations associated with unexpected engine starting due to forgetting to operate the device, and also to It is now possible to easily visually check the status and quickly operate the device to the specified starting condition.
しかも単純に伝動操作装置の伝動可能状態を検出するだ
けでは、エンジンの通常運転における伝動可能状態で警
報ランプが点灯して、そのランプによる所定の警報効果
が弱められてしまうが、通常運転時にのみ切られる充電
の回路を有効に利用する事によって、簡単な構成でその
欠点を解消でき、全体として、エンジンに対する電気系
に簡単な改造を施すだけで、エンジン始動に伴う事故を
確実に防止できるようになった。Moreover, simply detecting the transmission-enabled state of the transmission operating device would cause the warning lamp to light up when the engine is in the transmission-enabled state during normal engine operation, weakening the predetermined warning effect of that lamp; By effectively utilizing the charging circuit that is cut off, this drawback can be overcome with a simple configuration, and overall, by simply modifying the electrical system for the engine, accidents associated with engine starting can be reliably prevented. Became.
図面は本考案に係る作業車の実施例を示し、第1図は全
体側面図、第2図は電気回路図である。
1・・・・・・走行装置、13・・・・・・エンジン始
動装置、15・・・・・・自動切換え機構、18・・・
・・・スイッチ、19・・・・・・警報ランプ、A、C
・・・・・・電源回路。The drawings show an embodiment of a working vehicle according to the present invention, with FIG. 1 being an overall side view and FIG. 2 being an electric circuit diagram. 1... Traveling device, 13... Engine starting device, 15... Automatic switching mechanism, 18...
...Switch, 19...Warning lamp, A, C
...Power circuit.
Claims (1)
の検出に基いてエンジン始動装置13を作用可能状態に
、かつ、前記伝動操作装置が伝動可能状態にある事の検
出に基いて、前記エンジン始動装置13を作用不能状態
に自動切換えする機構15を設け、前記エンジン始動装
置13が作用不能状態にある事を点灯表示する警報ラン
プ19を設け、その警報ランプ19の電源回路Cに、エ
ンジン作動に伴うバッテリ充電状態を点灯表示するラン
プ12の電源回路Aが切り状態の時にのみ切られるスイ
ッチ18を設けである事を特徴とする作業車。Based on the detection that the transmission operating device for the traveling device 1 is in the non-transmission state, the engine starting device 13 is enabled, and the engine starting device 13 is activated on the basis of the detection that the transmission operating device is in the transmission enabled state. A mechanism 15 for automatically switching the engine starting device 13 to an inoperative state is provided, and an alarm lamp 19 is provided to indicate that the engine starting device 13 is in an inoperable state. The working vehicle is equipped with a switch 18 that is turned off only when the power supply circuit A of the lamp 12 is turned off to indicate the state of battery charge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5044279U JPS5933709Y2 (en) | 1979-04-16 | 1979-04-16 | work vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5044279U JPS5933709Y2 (en) | 1979-04-16 | 1979-04-16 | work vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55149415U JPS55149415U (en) | 1980-10-28 |
JPS5933709Y2 true JPS5933709Y2 (en) | 1984-09-19 |
Family
ID=28937916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5044279U Expired JPS5933709Y2 (en) | 1979-04-16 | 1979-04-16 | work vehicle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5933709Y2 (en) |
-
1979
- 1979-04-16 JP JP5044279U patent/JPS5933709Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55149415U (en) | 1980-10-28 |
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