JPH09287109A - Traveling of asphalt finisher and safe control circuit of conveyor - Google Patents

Traveling of asphalt finisher and safe control circuit of conveyor

Info

Publication number
JPH09287109A
JPH09287109A JP10099696A JP10099696A JPH09287109A JP H09287109 A JPH09287109 A JP H09287109A JP 10099696 A JP10099696 A JP 10099696A JP 10099696 A JP10099696 A JP 10099696A JP H09287109 A JPH09287109 A JP H09287109A
Authority
JP
Japan
Prior art keywords
conveyor
switch
engine
started
relay
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
JP10099696A
Other languages
Japanese (ja)
Other versions
JP3064231B2 (en
Inventor
Hisayasu Mino
寿保 美濃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo SHI Construction Machinery Co Ltd
Original Assignee
Sumitomo SHI Construction Machinery Co Ltd
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 by Sumitomo SHI Construction Machinery Co Ltd filed Critical Sumitomo SHI Construction Machinery Co Ltd
Priority to JP8100996A priority Critical patent/JP3064231B2/en
Publication of JPH09287109A publication Critical patent/JPH09287109A/en
Application granted granted Critical
Publication of JP3064231B2 publication Critical patent/JP3064231B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a safe control circuit which can prevent an asphalt finisher or a conveyor screw from traveling contrary to the operator's will or rotating. SOLUTION: An engine is started with a traveling switch 6 being in the 'ON' position, but the asphalt finisher does not start and it can start by turning off the switch 6 once. The conveyor and the screw are actuated by a common conveyor switch 5 and the engine is started with the conveyor switch being in the 'ON' position 5, but the conveyor and the screw do not start and they can start by turning off the conveyor switch 5 once. Further, the conveyor and the screw are actuated by respectively separate switches and the engine is started with the conveyor switch or the screw switch being in the 'ON' position, but the conveyor or the screw does not start with the switch being the 'ON' position, but starts by turning off the switch which has been in the 'ON' position.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】アスファルトフィニッシャに
おいて、エンジンが始動される以前に、走行時に操作す
べき“走行スイッチ”と作業時に操作すべき“コンベヤ
スイッチ”とがすでに「入」になっている場合がある。
それを知らずにオペレ−タがエンジンを始動させると、
オペレ−タの意志とは関係なく走行して事故を起した
り、コンベヤとスクリュ−が作動して作業者等を巻き込
む等の危険がある。この発明はアスファルトフィニッシ
ャのこのような危険を未然に防止し、安全を確保するた
めの走行及びコンベヤの安全制御回路に関するものであ
る。
BACKGROUND OF THE INVENTION In an asphalt finisher, a "travel switch" to be operated during traveling and a "conveyor switch" to be operated during traveling may already be "on" before the engine is started. is there.
If the operator starts the engine without knowing it,
Irrespective of the operator's intention, there is a risk that the vehicle may travel and cause an accident, or the conveyor and screw may operate to involve an operator. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling and conveyor safety control circuit for preventing such danger of an asphalt finisher and ensuring safety.

【0002】[0002]

【従来の技術】従来のアスファルトフィニッシャにおい
ては、コンベヤ安全スイッチが「入」の時にはエンジン
がかからない方式、あるいは走行スイッチが「走行」の
時にはエンジンがかからない方式等がしられている。
2. Description of the Related Art Conventional asphalt finishers include a method in which the engine does not start when the conveyor safety switch is "on", or a method in which the engine does not start when the traveling switch is "run".

【0003】[0003]

【発明が解決しようとする課題】アスファルトフィニッ
シャにおいて、エンジンが始動される以前に“走行スイ
ッチ”及び“コンベヤスイッチ”が「入」になっていた
場合、オペレ−タがこのことを知らずにエンジンを始動
させた場合に、オペレ−タの意志に反して走行したり、
コンベヤスクリュ−が作動することを防ぎ得る安全な制
御回路を提供することを課題とする。
In the asphalt finisher, if the "travel switch" and "conveyor switch" are "on" before the engine is started, the operator does not know this fact and operates the engine. When it is started, it runs contrary to the operator's will,
An object of the present invention is to provide a safe control circuit capable of preventing the conveyor screw from operating.

【0004】[0004]

【課題を解決するための手段】「切」、「運転」及び
「始動」のキ−を備えたスタ−タスイッチ1と、「入」
と「切」のキ−を備えたコンベヤ安全スイッチ4と、該
スイッチ4と直接電源とに接続され2組の「入」と
「切」のキ−を備えたコンベヤスイッチ5の一方の
「入」のキ−に接続されリレ−接点2bを介し接続され
たコンベヤコントロ−ラ7及びもう一方の「入」のキ−
に接続されたリレ−R13と、「入」と「切」のキ−を
備えた走行スイッチ6と、該走行スイッチ6の「入」の
キ−は前記コンベヤスイッチ5のリレ−R13との接続
ラインと、そして同じくもう一方の「入」のキ−はリレ
−接点2bを介し走行コントロ−ラ8と接続されてお
り、さらに前記スタ−タスイッチ1の始動キ−と接続さ
れ、かつリレ−接点R13aとリレ−接点R22aとを介
し電源に接続されたリレ−R22とからなっている。
[Means for Solving the Problems] A starter switch 1 provided with keys for "OFF", "RUN" and "START", and "ON"
Conveyor safety switch 4 provided with a key for turning off and "off" and one of the conveyor switch 5 having two sets of "on" and "off" connected to the switch 4 and the power source directly. , And the other "ON" key connected to the relay controller 7 via the relay contact 2b.
A relay -R 1 3 connected to a "ON" key of the "OFF" - a traveling switch 6 with a key of "ON" of the travel switch 6 - the relay -R 1 of the conveyor switch 5 3 and the other "ON" key are connected to the running controller 8 via the relay contact 2b, and are further connected to the starting key of the starter switch 1. , And a relay R 2 2 connected to a power source via a relay contact R 1 3a and a relay contact R 2 2a.

【0005】そして上記構成の回路により、エンジンの
始動時、走行スイッチ6が「入」の状態でエンジンを始
動させてもエンジンは始動するが、アスファルトフィニ
ッシャは走行せず、一旦走行スイッチ6を「切」にする
ことにより走行可能とした。
With the circuit having the above-described structure, when the engine is started, the engine is started even if the running switch 6 is turned on, but the asphalt finisher does not run. It was made possible to run by turning it off.

【0006】又同じく上記構成の回路により、エンジン
の始動時、コンベヤとスクリュ−が共通のコンベヤスイ
ッチ5で作動し、コンベヤスイッチ5が「入」の状態で
エンジンを始動させてもエンジンは始動するが、コンベ
ヤ及びスクリュ−は作動せず、一旦コンベヤスイッチ5
を「切」にすることによりコンベヤとスクリュ−が作動
可能となるようにした。
Also, with the circuit having the above-mentioned structure, when the engine is started, the conveyor and the screw are operated by the common conveyor switch 5, and the engine is started even if the engine is started with the conveyor switch 5 being "on". However, the conveyor and screw did not work, and the conveyor switch 5
The conveyor and screw can be operated by turning off the switch.

【0007】さらに同じく上記構成の回路により、エン
ジンの始動時、コンベヤとスクリュ−がそれぞれ別のス
イッチにて作動し、コンベヤスイッチ及び又はスクリュ
−スイッチが「入」の状態でエンジンを始動させてもエ
ンジンは始動するが「入」になっていたスイッチ側の作
動はせず、一旦「入」になっていたスイッチを「切」に
することによりコンベヤもしくはスクリュ−が作動する
ようにした。
Further, by the circuit having the above-mentioned structure, when the engine is started, the conveyor and the screw are operated by different switches, and even if the conveyor switch and / or the screw switch is turned on, the engine is started. The engine started, but the switch that was "on" did not operate, but the conveyor or screw was made to operate by turning the switch that was once "on" to "off".

【0008】[0008]

【発明の実施の形態】図1に基いて説明する。1は図示
しないエンジンを始動させるスタ−タスイッチで、
「切」、「運転」及び「始動」の3つのキ−を有してい
る。2はリレ−(R2)、3はリレ−(R1)である。2aと
2bはリレ−(R2)2の接点、3aはリレ−(R1)3の接
点である。4は電源とコンベヤスイッチ5との間に接続
されたコンベヤ安全スイッチである。コンベヤスイッチ
5は電源に対しコンベヤ安全スイッチ4を介し接続され
たラインの外、電源と直接にも接続されている。6は走
行スイッチである。走行スイッチ6も電源と2つのライ
ンで接続されている。7はコンベヤコントロ−ラでリレ
−(R2)2の接点2bを介してコンベヤスイッチ5のコ
ンベヤ安全スイッチに接続されたラインと接続されてい
る。又8は走行コントロ−ラでリレ−(R2)2の接点2
bを介して走行スイッチ6の一方のラインと接続されて
いる。走行スイッチ6のもう一方のラインはコンベヤス
イッチ5のリレ−(R1)3と接続されている。
DETAILED DESCRIPTION OF THE INVENTION A description will be given with reference to FIG. 1 is a starter switch for starting an engine (not shown),
It has three keys, "Off", "Run" and "Start". 2 is a relay (R 2 ) and 3 is a relay (R 1 ). 2a and 2b are contacts of the relay (R 2 ) 2 and 3a is a contact of the relay (R 1 ) 3. Reference numeral 4 is a conveyor safety switch connected between the power source and the conveyor switch 5. The conveyor switch 5 is connected not only to the line connected to the power supply via the conveyor safety switch 4 but also directly to the power supply. Reference numeral 6 is a traveling switch. The traveling switch 6 is also connected to the power source by two lines. A conveyor controller 7 is connected to a line connected to the conveyor safety switch of the conveyor switch 5 through the contact 2b of the relay (R 2 ) 2. Reference numeral 8 is a running controller, which is a contact 2 of the relay (R 2 ) 2.
It is connected to one line of the traveling switch 6 via b. The other line of the traveling switch 6 is connected to the relay (R 1 ) 3 of the conveyor switch 5.

【0009】さて、図1で明らかなようにコンベヤスイ
ッチ5と走行スイッチ6が「入」の状態でリレ−(R1)
3が励磁されるよう接続されている。又リレ−(R1)3
の接点3aとリレ−(R2)2の接点2aが継がるとリレ
−(R2)2を励磁する様に配置されている。スタ−タス
イッチ1はキ−位置が「始動」の時にのみリレ−(R2)
2を励磁する様に接続されている。
Now, as is apparent from FIG. 1, when the conveyor switch 5 and the traveling switch 6 are in the "on" state, the relay (R 1 ) is released.
3 is connected so as to be excited. Release (R 1 ) 3
Contacts 3a and relay - (R 2) 2 contacts 2a are Tsugaru and relay - are arranged so as to excite the (R 2) 2. Starter switch 1 is released (R 2 ) only when the key position is "start".
It is connected so as to excite 2.

【0010】(作動)まず、エンジンが始動していない
時には、コンベヤスイッチ5及び走行スイッチ6は
「切」の状態であるので、リレ−(R1)3は励磁してい
ない。この状態でスタ−タスイッチ1を「始動」してエ
ンジンを掛けると、リレ−(R2)2が励磁されるが、手
を離してスタ−タスイッチ1が「運転」の位置にもどる
と、リレ−(R2)2はOFFとなる。そしてコンベヤコ
ントロ−ラ7及び走行コントロ−ラ8への電源は通電可
能な状態となる。
(Operation) First, when the engine is not started, the conveyor switch 5 and the traveling switch 6 are in the "OFF" state, so the relay (R 1 ) 3 is not excited. In this state, when the starter switch 1 is "started" and the engine is started, the relay (R 2 ) 2 is excited, but when the starter switch 1 is returned to the "running" position when the hand is released. , The relay (R 2 ) 2 is turned off. Then, the power supplies to the conveyor controller 7 and the traveling controller 8 can be energized.

【0011】次に、エンジンが始動していない時に、コ
ンベヤスイッチ5又は走行スイッチ6が「入」の位置に
なっていた場合、リレ−(R1)3は励磁された状態であ
り、この状態でスタ−タスイッチ1を「始動」の位置に
してエンジンを掛けると、接点3aが閉じてリレ−
(R2)2が励磁する。手を離しスタ−タスイッチ1が
「運転」の位置に戻っても、接点2a,3aにより、リ
レ−2は自己保持され、リレ−接点2bが遮断するの
で、コンベヤコントロ−ラ7及び走行コントロ−ラ8の
電源は通電不可となり、コンベヤ及び走行は作動しな
い。
Next, when the conveyor switch 5 or the traveling switch 6 is in the "ON" position when the engine is not started, the relay (R 1 ) 3 is in the excited state, and this state Then, when the starter switch 1 is set to the "start" position and the engine is started, the contact 3a is closed and the relay is released.
(R 2 ) 2 is excited. Even if the hand is released and the starter switch 1 returns to the "running" position, the relay 2 is held by the contacts 2a and 3a, and the relay contact 2b is shut off. Therefore, the conveyor controller 7 and the traveling controller 7 -The power supply of LA8 is not energized, and the conveyor and running do not work.

【0012】コンベヤ及び走行を動作させるには、一度
コンベヤスイッチ5及び走行スイッチ6を「切」にする
ことにより、自己保持回路を解除し、各コントロ−ラを
通電可能状態にする。
In order to operate the conveyor and the traveling, once the conveyor switch 5 and the traveling switch 6 are turned "off", the self-holding circuit is released and each controller is energized.

【0013】以上の様に、コンベヤスイッチ5や走行ス
イッチ6が「入」の状態でエンジンを始動させても、不
意に車体が動いたり、コンベヤスクリュ−が作動して作
業者を巻き込む等の危険が無くなり、安全性が確保され
る。
As described above, even if the engine is started with the conveyor switch 5 and the traveling switch 6 in the "ON" state, there is a risk that the vehicle body may unexpectedly move or the conveyor screw may be activated to involve an operator. Is eliminated and safety is secured.

【0014】[0014]

【発明の効果】請求項1の回路構成にしたので、エンジ
ンが始動する前に既に走行スイッチとコンベヤスイッチ
が「入」になっていても、これを知らないでエンジンを
始動しても、アスファルトフィニッシャの走行又はコン
ベヤとスクリュ−が作動することがないので、作業が極
めて安全となった。
According to the circuit configuration of claim 1, even if the traveling switch and the conveyor switch are already "on" before the engine starts, even if the engine is started without knowing this, the asphalt Since the finisher does not run or the conveyor and screw do not operate, the work is extremely safe.

【0015】請求項2により、走行スイッチとコンベヤ
スイッチが間違って「入」になっていても走行はでき
ず、一旦走行スイッチを「切」らないと走行可能になら
ないので、安全である。
According to the second aspect, even if the traveling switch and the conveyor switch are mistakenly turned "on", traveling cannot be performed, and the traveling cannot be performed unless the traveling switch is turned "off", which is safe.

【0016】請求項3により、コンベヤとスクリュ−が
共通のコンベヤスイッチで作動する構成で、コンベヤス
イッチが「入」の状態でもエンジンは始動するが、コン
ベヤとスクリュ−は作動しないので、安全である。
According to a third aspect of the present invention, the conveyor and the screw are operated by a common conveyor switch, and the engine is started even when the conveyor switch is "on", but the conveyor and the screw are not operated, which is safe. .

【0017】請求項4により、コンベヤとスクリュ−が
別個のスイッチで作動する場合で、何れか一方又は両者
が「入」の状態でもエンジンは作動するが、コンベヤと
スクリュ−は共に作動しないので、これ又安全である。
According to the present invention, when the conveyor and the screw are operated by separate switches, the engine operates even if either one or both of them are in the "on" state, but the conveyor and the screw do not operate together. This is also safe.

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

【図1】本発明の安全回路図である。FIG. 1 is a safety circuit diagram of the present invention.

【符号の説明】[Explanation of symbols]

1 スタ−タスイッチ 2 リレ−R2 3 リレ−R1 4 コンベヤ安全ス
イッチ 5 コンベヤスイッチ 6 走行スイッチ 7 コンベヤコントロ−ラ 8 走行コントロ−
 1 Starter switch 2 Relay RTwo  3 relay-R14 conveyor safety
Switch 5 Conveyor switch 6 Travel switch 7 Conveyor controller 8 Travel controller
La

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 「切」、「運転」及び「始動」のキ−を
備えたスタ−タスイッチ(1)と、「入」と「切」のキ−
を備えたコンベヤ安全スイッチ(4)と、該スイッチ(4)
と直接電源とに接続され2組の「入」と「切」のキ−を
備えたコンベヤスイッチ(5)の一方の「入」のキ−に接
続されリレ−接点(2b)を介し接続されたコンベヤコント
ロ−ラ(7)及びもう一方の「入」のキ−に接続されたリ
レ−R1(3)と、2組の「入」と「切」のキ−を備えた
走行スイッチ(6)と、該走行スイッチ(6)の一方の
「入」のキ−は前記コンベヤスイッチ(5)のリレ−R1
(3)との接続ラインと、そして同じくもう一方の「入」
のキ−はリレ−接点(2b)を介し走行コントロ−ラ(8)と
接続されており、さらに前記スタ−タスイッチ(1)の始
動キ−と接続され、かつリレ−接点R1(3a)とリレ−接
点R2(2a)とを介し電源に接続されたリレ−R2(2)と
からなるアスファルトフィニッシャの走行とコンベヤの
安全制御回路。
1. A starter switch (1) having keys for "off", "running" and "starting", and a key for turning "on" and "off".
Conveyor safety switch (4) equipped with, and the switch (4)
Is connected to the power source directly and is connected to one of the "ON" keys of the conveyor switch (5) having two sets of "ON" and "OFF" keys and is connected via the relay contact (2b). conveyor controller - La (7) and the other of the "oN" key - the relay is connected to the -R 1 (3), 2 sets of keys of "oN" and "oFF" - the travel switch with ( 6) and one of the "ON" keys of the traveling switch (6) is the relay R 1 of the conveyor switch (5).
Connection line with (3), and also "on" of the other
The key - the relay - contact (2b) and via the travel control - which is connected to the La (8), further wherein the static - start key of data switch (1) - is connected to, and relay - Contact R 1 (3a ) and relay - contact R 2 (2a) consisting of a a relay -R 2 (2) connected to the power source through the asphalt finisher safety control circuit of the running and conveyor.
【請求項2】 エンジンの始動時、走行スイッチ(6)が
「入」の状態でエンジンを始動させてもエンジンは始動
するが、アスファルトフィニッシャは走行せず、一旦走
行スイッチ(6)を「切」にすることにより走行可能とし
た請求項1のアスファルトフィニッシャの走行とコンベ
ヤの安全制御回路。
2. When the engine is started, the engine is started even if the running switch (6) is turned on when the engine is started, but the asphalt finisher does not run, and the running switch (6) is once turned off. 2. The safety control circuit for traveling of the asphalt finisher and the conveyor according to claim 1, wherein the safety control circuit enables traveling.
【請求項3】 エンジンの始動時、コンベヤとスクリュ
−が共通のコンベヤスイッチ(5)で作動し、コンベヤス
イッチ(5)が「入」の状態でエンジンを始動させてもエ
ンジンは始動するが、コンベヤ及びスクリュ−は作動せ
ず、一旦コンベヤスイッチ(5)を「切」にすることによ
りコンベヤとスクリュ−が作動可能となるようにした請
求項1のアスファルトフィニッシャの走行とコンベヤの
安全制御回路。
3. When the engine is started, the conveyor and the screw are operated by a common conveyor switch (5), and even if the engine is started with the conveyor switch (5) being "ON", the engine is started. The asphalt finisher traveling and conveyor safety control circuit according to claim 1, wherein the conveyor and the screw are not activated, and the conveyor and the screw are activated by once turning off the conveyor switch (5).
【請求項4】 エンジンの始動時、コンベヤとスクリュ
−がそれぞれ別のスイッチにて作動し、コンベヤスイッ
チ及び又はスクリュ−スイッチが「入」の状態でエンジ
ンを始動させてもエンジンは始動するが「入」になって
いたスイッチ側の作動はせず、一旦「入」になっていた
スイッチを「切」にすることによりコンベヤもしくはス
クリュ−が作動するようにした請求項1のアスファルト
フィニッシャの走行とコンベヤの安全制御回路。
4. The engine is started even if the conveyor and the screw are operated by different switches when the engine is started, and the engine is started with the conveyor switch and / or the screw switch being "on". The asphalt finisher according to claim 1, wherein the conveyor or screw is operated by turning off the switch that was once turned "on" without operating the switch that was turned "on". Conveyor safety control circuit.
JP8100996A 1996-04-23 1996-04-23 Traveling of asphalt finisher and safety control circuit of conveyor Expired - Lifetime JP3064231B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8100996A JP3064231B2 (en) 1996-04-23 1996-04-23 Traveling of asphalt finisher and safety control circuit of conveyor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8100996A JP3064231B2 (en) 1996-04-23 1996-04-23 Traveling of asphalt finisher and safety control circuit of conveyor

Publications (2)

Publication Number Publication Date
JPH09287109A true JPH09287109A (en) 1997-11-04
JP3064231B2 JP3064231B2 (en) 2000-07-12

Family

ID=14288920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8100996A Expired - Lifetime JP3064231B2 (en) 1996-04-23 1996-04-23 Traveling of asphalt finisher and safety control circuit of conveyor

Country Status (1)

Country Link
JP (1) JP3064231B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014047568A (en) * 2012-08-31 2014-03-17 Sumitomo (Shi) Construction Machinery Co Ltd Driver support device for paving machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014047568A (en) * 2012-08-31 2014-03-17 Sumitomo (Shi) Construction Machinery Co Ltd Driver support device for paving machine

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