JPS6414421U - - Google Patents
Info
- Publication number
- JPS6414421U JPS6414421U JP10763787U JP10763787U JPS6414421U JP S6414421 U JPS6414421 U JP S6414421U JP 10763787 U JP10763787 U JP 10763787U JP 10763787 U JP10763787 U JP 10763787U JP S6414421 U JPS6414421 U JP S6414421U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- selection means
- switching
- rear wheel
- wheel steering
- 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
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Jib Cranes (AREA)
Description
図面は本考案の一実施例を示し、第１図は本考
案に係る自動変速装置を搭載するオールテレンク
レーン車の側面図、第２図は本考案に係る自動変
速装置の全体構成を示すブロツク図、第３図は歯
車装置から車輪への動力伝達経路を示すスケルト
ン図、第４図は第１図に示すオールテレンクレー
ン車の操舵装置の概略構成を示すブロツク図、第
５図は第２図の電子コントロールユニツト２０に
より実行される、本考案に係る変速制御手順を説
明するためのフローチヤートである。
１……クレーン車、２……クレーン、５……ク
レーン側キヤビン、６……キヤリア側キヤビン、
１５……クレーン側シフトレバー、１７……キヤ
リア側シフトレバー、１８……スイツチエンコー
ドボツクス、２０……電子コントロールユニツト
（ＥＣＵ）、２２……イグニツシヨンスイツチセ
ンサ、２３……超低速段スイツチ、２４……フロ
ントドライブスイツチ、２５……リアステアリン
グロツク解除検出スイツチ、３０……内燃エンジ
ン、３１……歯車変速装置、３２……ドツグクラ
ツチ、３６……フロントドライブ検出スイツチ。
The drawings show one embodiment of the present invention, and FIG. 1 is a side view of an all-terrain crane equipped with an automatic transmission according to the present invention, and FIG. 2 is a block diagram showing the overall configuration of the automatic transmission according to the present invention. Figure 3 is a skeleton diagram showing the power transmission path from the gear system to the wheels, Figure 4 is a block diagram showing the schematic configuration of the steering system of the all-terrain crane shown in Figure 1, and Figure 5 is the 1 is a flowchart for explaining a speed change control procedure according to the present invention, which is executed by the electronic control unit 20 shown in the figure. 1... Crane truck, 2... Crane, 5... Crane side cabin, 6... Carrier side cabin,
15...Crane side shift lever, 17...Carrier side shift lever, 18...Switch encode box, 20...Electronic control unit (ECU), 22...Ignition switch sensor, 23...Very low gear switch, 24...Front drive switch, 25...Rear steering lock release detection switch, 30...Internal combustion engine, 31...Gear transmission, 32...Dog clutch, 36...Front drive detection switch.
Claims (1)
輪の操舵が選択的に可能なクレーン車に装備され
、少なくとも高速変速段と低速変速段を有する歯
車変速装置の自動変速装置において、操作者の変
速操作により選択された変速段に応じて変速段切
換信号を出力する変速段選択手段と、該変速段選
択手段の変速段選択信号に応じ前記歯車変速装置
を選択された変速段に切換駆動する切換駆動手段
とを備え、該切換駆動手段は、前記後輪操舵切換
装置により後輪が操舵可能状態にあるとき、前記
変速段選択手段から高速変速段に切り換える変速
段切換信号が出力されても低速変速段を維持する
ことを特徴とするクレーン車の自動変速装置。 In addition to steering the front wheels, the crane truck is equipped with a rear wheel steering switching device that enables selective rear wheel steering, and the automatic transmission is a gear transmission that has at least a high speed gear and a low speed gear. a gear selection means for outputting a gear change signal according to the gear selected by the gear shifting operation; and a gear speed selection means for switching and driving the gear transmission to the selected gear in response to the gear selection signal of the gear selection means. and a switching drive means, wherein when the rear wheels are in a steerable state by the rear wheel steering switching device, a gear shift signal for switching to a high gear gear is outputted from the gear gear selection means. An automatic transmission device for a crane truck that is characterized by maintaining a low speed gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10763787U JPS6414421U (en) | 1987-07-15 | 1987-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10763787U JPS6414421U (en) | 1987-07-15 | 1987-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6414421U true JPS6414421U (en) | 1989-01-25 |
Family
ID=31342230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10763787U Pending JPS6414421U (en) | 1987-07-15 | 1987-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6414421U (en) |
-
1987
- 1987-07-15 JP JP10763787U patent/JPS6414421U/ja active Pending
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