JPH03248B2 - - Google Patents
Info
- Publication number
- JPH03248B2 JPH03248B2 JP20365985A JP20365985A JPH03248B2 JP H03248 B2 JPH03248 B2 JP H03248B2 JP 20365985 A JP20365985 A JP 20365985A JP 20365985 A JP20365985 A JP 20365985A JP H03248 B2 JPH03248 B2 JP H03248B2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic clutch
- switch
- vehicle
- pto
- clutch
- 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
- 238000007599 discharging Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Refuse-Collection Vehicles (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はフライホイールPTOを介して油圧ポ
ンプが駆動される特装車の制御装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a control device for a specially equipped vehicle in which a hydraulic pump is driven via a flywheel PTO.
（従来の技術）
従来、塵芥収集車などの特装車は第３図に示す
ように、各種アクチユータに油圧を供給する油圧
ポンプａが設けられており、この油圧ポンプａを
作動させるために、エンジンｂにフライホイール
PTOcを接続し、このフライホイールPTOcを電
磁クラツチｄを介して油圧ポンプａに接続した構
成のものが用いられている。なお、ｅはトランス
ミツシヨン、ｆはエンジンｂとトランスミツシヨ
ンｅを連結するクラツチである。(Prior Art) Conventionally, specially equipped vehicles such as garbage collection vehicles are equipped with a hydraulic pump a that supplies hydraulic pressure to various actuators, as shown in FIG. on the flywheel
A configuration is used in which the flywheel PTOc is connected to a hydraulic pump a via an electromagnetic clutch d. Note that e is a transmission, and f is a clutch that connects engine b and transmission e.
（発明が解決しようとする問題点）
しかるに、この種の特装車では、電磁クラツチ
の操作は作業者による手動操作によつて切換えら
れているので、この電磁クラツチを接状態のまま
走行すると油圧ポンプが連続運転状態になり、焼
付け等の機能部品の損傷を招くという問題があつ
た。(Problem to be Solved by the Invention) However, in this type of specially equipped vehicle, the operation of the electromagnetic clutch is switched manually by the operator, so if the vehicle is driven with the electromagnetic clutch engaged, the hydraulic pump will be activated. There was a problem of continuous operation, which caused damage to functional parts such as seizing.
（問題点を解決するための手段）
本発明は、車枠上に架装体が搭載され、この架
装体の駆動用油圧アクチユエータに油圧を供給す
る油圧ポンプがフライホイールPTOを介して作
動される特装車において、前記油圧ポンプとフラ
イホイールPTOとを断接する電磁クラツチと、
前記電磁クラツチをON／OFF制御する操作スイ
ツチとを備え、前記操作スイツチのONによつて
電磁クラツチを接状態に保持する自己保持回路が
構成され、この自己保持回路が走行用クラツチの
断操作に連動する電気接点によつて解除されるも
のである。(Means for Solving the Problems) According to the present invention, a body is mounted on a vehicle frame, and a hydraulic pump that supplies hydraulic pressure to a hydraulic actuator for driving the body is operated via a flywheel PTO. In the specially equipped vehicle, an electromagnetic clutch that connects and disconnects the hydraulic pump and the flywheel PTO;
and an operating switch that controls ON/OFF of the electromagnetic clutch, and a self-holding circuit that holds the electromagnetic clutch in a connected state when the operating switch is turned ON, and this self-holding circuit is configured to operate when the traveling clutch is disengaged. It is released by interlocking electrical contacts.
（作用）
特装車の架装体を駆動するとき、例えば塵芥収
集車の積込み作業若しくは排出作業を行つている
ときには、イグニツシヨンスイツチの操作及び電
磁クラツチをONする操作スイツチによつて自己
保持回路が作動し、電磁クラツチが接状態になさ
れ、フライホイールPTOと油圧ポンプとが接続
される。この状態で電磁クラツチを断状態にする
操作スイツチを操作するか若しくは走行時クラツ
チペダルを踏み込むと、前記自己保持回路が解除
されて、フライホイールPTOと油圧ポンプとの
接続が解除される。(Function) When driving the body of a specially equipped vehicle, for example when loading or unloading a garbage truck, the self-holding circuit is activated by operating the ignition switch and turning on the electromagnetic clutch. It operates, the electromagnetic clutch is brought into contact, and the flywheel PTO and hydraulic pump are connected. In this state, when the operating switch that disengages the electromagnetic clutch is operated or the clutch pedal is depressed during running, the self-holding circuit is released and the connection between the flywheel PTO and the hydraulic pump is released.
（実施例）
以下、本発明の実施例について図面を参照して
説明する。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第２図は本発明に係る特装車としての塵芥収集
車を示し、車枠１上に搭載された塵芥収容箱２の
後方開口部３に塵芥処理装置４が装備されてい
る。この塵芥処理装置４は、塵芥の積込み及び排
出をなすもので、各種駆動用油圧アクチユエータ
が設けられ、この油圧アクチユエータに油圧を供
給する油圧ポンプがフライホイールPTOを介し
て駆動されている。 FIG. 2 shows a garbage collection vehicle as a specially equipped vehicle according to the present invention, in which a garbage disposal device 4 is installed in a rear opening 3 of a garbage storage box 2 mounted on a vehicle frame 1. This garbage processing device 4 loads and discharges garbage, and is provided with various driving hydraulic actuators, and a hydraulic pump that supplies hydraulic pressure to the hydraulic actuators is driven via a flywheel PTO.
前記塵芥収容箱２の開口上部にピン６で塵芥処
理枠５が枢着され、この塵芥処理枠５の下部と前
記車枠１とは固縛爪１３で固縛されている。この
固縛爪１３は固縛シリンダ１４によつて作動され
る。押込板８は基端側を押込板作動シリンダ７に
枢支され、この押込板作動シリンダ７によつて回
動可能となつている。回転板１０は、塵芥をこの
押込板８の適正な押込位置９まで運ぶもので、回
転板駆動用モータ（図示省略）によつて回転駆動
される。又、図中１５は押込板８の基端部に当接
して押込板８の揺動位置を規制するストツパーで
ある。このような構成からなる押込板８と回転板
１０の順次作動によつて塵芥を前記塵芥収容箱２
内に積込むようになつている。 A garbage disposal frame 5 is pivotally attached to the upper part of the opening of the garbage storage box 2 with pins 6, and the lower part of the garbage disposal frame 5 and the vehicle frame 1 are secured with lashing claws 13. This lashing pawl 13 is actuated by a lashing cylinder 14. The push plate 8 is pivotally supported at its base end by a push plate actuation cylinder 7, and is rotatable by the push plate actuation cylinder 7. The rotary plate 10 carries the garbage to a proper pushing position 9 of the pushing plate 8, and is rotationally driven by a rotary plate driving motor (not shown). Further, reference numeral 15 in the figure is a stopper that comes into contact with the base end of the pusher plate 8 to restrict the swinging position of the pusher plate 8. By sequentially operating the pushing plate 8 and the rotary plate 10 configured as described above, the garbage is moved into the garbage storage box 2.
It is designed to be loaded inside.
なお、これらの押込板８と回転板１０の両者は
互いに干渉しないように制御されている。 Note that both the pushing plate 8 and the rotary plate 10 are controlled so as not to interfere with each other.
一方、車枠１に基端を枢支したダンプシリンダ
１２の他端が、前記塵芥収容箱２に枢支されてお
り、この塵芥収容箱２はダンプシリンダ１２の伸
縮作動により適宜傾動し、積込まれた塵芥の排出
作動を行うようになされている。 On the other hand, the other end of the dump cylinder 12, whose base end is pivotally supported on the vehicle frame 1, is pivotally supported on the garbage storage box 2, and this garbage storage box 2 is tilted appropriately by the expansion and contraction operation of the dump cylinder 12, and is loaded. The system is designed to perform an operation for discharging the collected dust.
前記押込板作動シリンダ７、ダンプシリンダ１
２、固縛シリンダ１４等の各種シリンダに油圧を
供給する油圧ポンプは、フライホイールPTOに
よつて取出されるエンジンからの動力が電磁クラ
ツチを介して伝達され、この動力によつて回転作
動される（第３図参照）
この電磁クラツチの断接状態を制御するシーケ
ンス回路を第１図に示している。 The push plate operating cylinder 7, dump cylinder 1
2. The hydraulic pump that supplies hydraulic pressure to various cylinders such as the lashing cylinder 14 receives power from the engine taken out by the flywheel PTO via an electromagnetic clutch, and is rotated by this power. (See FIG. 3) FIG. 1 shows a sequence circuit that controls the connection/disconnection state of this electromagnetic clutch.
第１図において、本例のシーケンス回路は車枠
１本体に設けられたクラツチスイツチ１６を利用
して構成している。このクラツチスイツチ１６は
排気ブレーキ回路の断接を行うノーマルON型の
スイツチで走行用クラツチペダルの踏み込みによ
つてOFFされる。 In FIG. 1, the sequence circuit of this example is constructed using a clutch switch 16 provided on the main body of the vehicle frame 1. This clutch switch 16 is a normally ON type switch that connects and disconnects the exhaust brake circuit, and is turned OFF by depressing the running clutch pedal.
手動にて操作されるPTO接スイツチ１７、
PTO断スイツチ１８とリレー１９とからなる直
列回路１１は、電磁クラツチ電源V1に接続され
ている。リレー１９は４つのａ接点x1〜x4とｂ接
点x5，x6を備えている。前記電磁クラツチ電源
V1はイグニツシヨンスイツチ（図示省略）の操
作によつて所定の電圧が印加される。 Manually operated PTO contact switch 17,
A series circuit 11 consisting of a PTO cutoff switch 18 and a relay 19 is connected to an electromagnetic clutch power supply V1 . The relay 19 includes four A contacts x 1 to x 4 and B contacts x 5 and x 6 . The electromagnetic clutch power supply
A predetermined voltage is applied to V1 by operating an ignition switch (not shown).
前記直列回路１１と並列にａ接点x1と電磁クラ
ツチ用ソレノイドsolとの直列回路が接続され、
PTO接スイツチ１７と並列に前記クラツチスイ
ツチ１６の接状態を条件に自己保持をなす自己保
持回路が形成されている。この自己保持回路は、
前記ａ接点x2，x3とクラツチスイツチ１６からな
る直列回路によつて構成されている。前記ａ接点
x4は塵芥処理装置４の断接をなす接点となり、ａ
接点x4が接状態の時に電源電圧V2が積込−排出
切換スイツチ２０の入力側に印加され、この積込
−排出切換スイツチ２０の切換操作によつて上述
した積込み処理に関する作動制御をなす積込作動
制御回路２１と、排出処理に関する排出作動制御
回路２２とのどとらか一方の回路に作動電圧を供
給可能としている
前記ｂ接点x5，x6は、前記クラツチスイツチ１
６に直列に設けられ、排気ブレーキ回路の断接を
制御する。 A series circuit of a contact x 1 and an electromagnetic clutch solenoid sol is connected in parallel with the series circuit 11,
A self-holding circuit is formed in parallel with the PTO contact switch 17, which maintains itself when the clutch switch 16 is in the closed state. This self-holding circuit is
It is constituted by a series circuit consisting of the a-contacts x 2 and x 3 and a clutch switch 16. Said a contact
x 4 is the contact point that connects and disconnects the garbage processing device 4, and a
When the contact x 4 is in the connected state, the power supply voltage V 2 is applied to the input side of the loading/unloading switch 20, and the operation control regarding the above-mentioned loading process is performed by switching the loading/unloading switch 20. It is possible to supply an operating voltage to one of the loading operation control circuit 21 and the discharge operation control circuit 22 related to discharge processing.The b contacts x5 and x6 are connected to the clutch switch 1.
6 and controls the connection/disconnection of the exhaust brake circuit.
かかるシーケンス回路において、イグニツシヨ
ンスイツチをONにすると電磁クラツチ電源V1が
印加される。このとき、前記PTO接スイツチ１
７を操作するとリレー１９が励磁され、ａ接点x1
〜x4がONとなり、ｂ接点x5，x6がOFFとなる。
しかして、ａ接点x2→クラツチスイツチ１６ａ接
点x3→PTO断スイツチ１８→リレー１９の回路
が導通するので、PTO断スイツチ１８を操作し
ない限りはリレー１９が自己保持され、このため
ａ接点x1，x4がONとなり電磁クラツチ用ソレノ
イドsolが励磁され、電磁クラツチを作動してフ
ライホイールPTOと油圧ポンプとの接続がなさ
れる。また、このときａ接点x4がONになるの
で、積込−排出切換スイツチ２０を操作すれば、
この切換スイツチ２０で指示した積込作動もしく
は排出作動を行うことができる。 In such a sequence circuit, when the ignition switch is turned on, the electromagnetic clutch power supply V1 is applied. At this time, the PTO contact switch 1
When 7 is operated, relay 19 is energized, and a contact x 1
~ x 4 turns ON, and b contacts x 5 and x 6 turn OFF.
As a result, the circuit of a contact x 2 → clutch switch 16 a contact x 3 → PTO disconnection switch 18 → relay 19 becomes conductive, so unless the PTO disconnection switch 18 is operated, the relay 19 is self-held, and therefore the a contact x 1 and x4 are turned ON, the solenoid sol for the electromagnetic clutch is energized, the electromagnetic clutch is operated, and the connection between the flywheel PTO and the hydraulic pump is established. Also, at this time, the 4 a contacts are turned on, so if you operate the loading/unloading switch 20,
Loading operation or discharging operation instructed by this changeover switch 20 can be performed.
一方、このような自己保持回路が形成された状
態において、操作者がPTO断スイツチ１８を操
作すると、上述した自己保持回路が解除されａ接
点x2，x3がOFFとなり、電磁クラツチ用ソレノ
イドsolが非励磁となるのでフライホイールPTO
と油圧ポンプとの接続が絶たれる。 On the other hand, when the operator operates the PTO disconnection switch 18 with such a self-holding circuit formed, the above-mentioned self-holding circuit is released, the a contacts x 2 and x 3 are turned OFF, and the electromagnetic clutch solenoid sol is turned off. becomes de-energized, so the flywheel PTO
connection with the hydraulic pump is severed.
ところで、作業者がPTO断スイツチ１８を操
作することなく塵芥収集車の移動を開始したとき
には、クラツチペダルの踏み込みによつて前記ク
ラツチスイツチ１６がOFFとなり、このときに
も上述した自己保持回路が解除され、電磁クラツ
チ用ソレノイドsolも非励磁となり、電磁クラツ
チがOFFとなる。 By the way, when the worker starts moving the garbage truck without operating the PTO cutoff switch 18, the clutch switch 16 is turned OFF by depressing the clutch pedal, and the above-mentioned self-holding circuit is also released at this time. The solenoid sol for the electromagnetic clutch is also de-energized, and the electromagnetic clutch is turned off.
なお、本発明の特装車として塵芥収集車を例示
したが、塵芥収集車以外の特装車であつてもよい
ものである。さらに、走行用クラツチの断操作に
連動する電気接点を車輌が本来備えている排気ブ
レーキ制御用の電気接点を利用すれば新たな電気
接点を配設する必要はない。 In addition, although the garbage collection vehicle was illustrated as the special purpose vehicle of this invention, the special purpose vehicle other than a garbage collection vehicle may be sufficient. Further, if the exhaust brake control electrical contact which the vehicle is originally equipped with is used as an electrical contact that is linked to the disengagement operation of the running clutch, there is no need to provide a new electrical contact.
（発明の効果）
以上述べたように本発明によれば、作業者が電
磁クラツチを接状態のままで走行し始めても走行
時のクラツチペダルの踏み込み時に電磁クラツチ
が断状態になつて、フライホイールPTOと油圧
ポンプとの接続が解除され、油圧ポンプが停止す
る。このため、作業者の操作ミスに起因する油圧
ポンプ等の機能部品の損傷を防止することができ
る。(Effects of the Invention) As described above, according to the present invention, even if the operator starts driving with the electromagnetic clutch engaged, the electromagnetic clutch is disengaged when the clutch pedal is depressed while driving, and the flywheel is turned off. The connection between the PTO and the hydraulic pump is broken and the hydraulic pump stops. Therefore, it is possible to prevent damage to functional parts such as the hydraulic pump due to operational errors by the operator.
第１図は本発明に係る特装車としての塵芥収集
車の制御装置の実施例を示すシーケンス回路図、
第２図は塵芥収集車の一例を示す一部切欠いた後
部側面図、第３図はフライホイールPTOと油圧
ポンプとの接続を説明する概略図である。
１……車枠、２……塵芥収容箱、４……塵芥処
理装置、１６……クラツチスイツチ、１７……
PTO接スイツチ、１８……PTO断スイツチ、１
９……リレー、２０……積込−排出切換スイツ
チ。
FIG. 1 is a sequence circuit diagram showing an embodiment of a control device for a garbage collection vehicle as a specially equipped vehicle according to the present invention;
FIG. 2 is a partially cutaway rear side view showing an example of a garbage collection vehicle, and FIG. 3 is a schematic diagram illustrating the connection between the flywheel PTO and the hydraulic pump. 1... Vehicle frame, 2... Garbage storage box, 4... Garbage processing device, 16... Clutch switch, 17...
PTO close switch, 18...PTO disconnect switch, 1
9...Relay, 20...Loading-discharging switch.
Claims (1)
動用油圧アクチユエータに油圧を供給する油圧ポ
ンプがフライホイールPTOを介して作動される
特装車において、 前記油圧ポンプとフライホイールPTOとを断
接する電磁クラツチと、前記電磁クラツチを
ON／OFF制御する操作スイツチとを備え、前記
操作スイツチのONによつて電磁クラツチを接状
態に保持する自己保持回路が構成され、この自己
保持回路が走行用クラツチの断操作に連動する電
気接点によつて解除されることを特徴とする特装
車の制御装置。 ２ 前記特装車は塵芥収集車であつて、電磁クラ
ツチが接状態にあるときのみ塵芥収集車の塵芥処
理装置の作動制御が可能となされる特許請求の範
囲第１項記載の特装車の制御装置。[Scope of Claims] 1. In a specially equipped vehicle in which a body is mounted on a vehicle frame and a hydraulic pump that supplies hydraulic pressure to a hydraulic actuator for driving the body is operated via a flywheel PTO, the hydraulic pump and An electromagnetic clutch connects and disconnects the flywheel PTO, and the electromagnetic clutch
A self-holding circuit is configured to hold the electromagnetic clutch in the engaged state when the operating switch is turned on, and this self-holding circuit is an electric contact that is linked to the disengagement operation of the traveling clutch. A control device for a specially equipped vehicle, characterized in that it is released by. 2. The control device for a specially equipped vehicle according to claim 1, wherein the specially equipped vehicle is a garbage collection vehicle, and the operation of the garbage processing device of the garbage collection vehicle can be controlled only when the electromagnetic clutch is in the engaged state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365985A JPS6264630A (en) | 1985-09-13 | 1985-09-13 | Special vehicle control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365985A JPS6264630A (en) | 1985-09-13 | 1985-09-13 | Special vehicle control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6264630A JPS6264630A (en) | 1987-03-23 |
| JPH03248B2 true JPH03248B2 (en) | 1991-01-07 |
Family
ID=16477720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20365985A Granted JPS6264630A (en) | 1985-09-13 | 1985-09-13 | Special vehicle control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6264630A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640161Y2 (en) * | 1988-05-20 | 1994-10-19 | 富士重工業株式会社 | Control device for garbage truck |
| JPH02102829A (en) * | 1988-10-07 | 1990-04-16 | Shin Meiwa Ind Co Ltd | Operation control device for power take-off device in work vehicle |
-
1985
- 1985-09-13 JP JP20365985A patent/JPS6264630A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6264630A (en) | 1987-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |