JPS6382850U - - Google Patents
Info
- Publication number
- JPS6382850U JPS6382850U JP17784886U JP17784886U JPS6382850U JP S6382850 U JPS6382850 U JP S6382850U JP 17784886 U JP17784886 U JP 17784886U JP 17784886 U JP17784886 U JP 17784886U JP S6382850 U JPS6382850 U JP S6382850U
- Authority
- JP
- Japan
- Prior art keywords
- low speed
- low
- speed switching
- transmission
- working chamber
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Actuator (AREA)
Description
第１図は本考案の実施例に係る高低速切換え副
変速機付トランスミツシヨンの一部断面を含む構
成図、第２図はシフトインタロツク装置のロツク
状態を示す横断面図、第３図〜第５図は同高低速
切換え副変速機付トランスミツシヨンの動作状態
説明図、第６図は従来に於ける高低速切換え副変
速機付トランスミツシヨンの構成図、第７図は同
高低速切換え副変速機付トランスミツシヨンの平
面配置説明図、第８図は同高低速切換え副変速機
付トランスミツシヨンに於けるシフトパターンの
説明図である。
１……３ポート高低速切換弁、１Ｈ……高速側
切換弁、１Ｌ……低速側切換弁、２……ブラケツ
ト、３……空気圧源、４……高低速切換えシリン
ダ、４Ｈ……高速側作動室、４Ｌ……低速側作動
室、５Ｈ，５Ｌ……パイロツト切換弁、６……ロ
ツド位置検出３ポート切換弁、６Ｈ……ロツド高
速側切換弁、６Ｌ……ロツド低速側切換弁、７…
…ダブルチエツクバルブ、８……シフトインター
ロツク装置、９……ピストン、９ａ……溝、１０
……ステイールボール、１１……インターロツク
ピン、１２……メインシフトシヤト、１３……プ
レツシヤスイツチ、１４……ランプ、Ｃ……エア
ー回路、Ｃ１，Ｃ２……分岐経路、Ｃ３……合流
経路。
Fig. 1 is a configuration diagram including a partial cross section of a transmission with a high-low speed switching sub-transmission according to an embodiment of the present invention, Fig. 2 is a cross-sectional view showing the locked state of the shift interlock device, and Fig. 3 - Figure 5 is an explanatory diagram of the operating state of the transmission with the same high/low speed switching auxiliary transmission, Figure 6 is a configuration diagram of the conventional transmission with high/low speed switching auxiliary transmission, and Figure 7 is the same high/low speed switching auxiliary transmission. FIG. 8 is an explanatory plan view of a transmission with a low-speed switching sub-transmission, and FIG. 8 is an explanatory diagram of a shift pattern in the transmission with a high-low-speed switching sub-transmission. 1...3 port high/low speed switching valve, 1H...high speed side switching valve, 1L...low speed side switching valve, 2...bracket, 3...air pressure source, 4...high/low speed switching cylinder, 4H...high speed side Working chamber, 4L...Low speed side working chamber, 5H, 5L...Pilot switching valve, 6...Rod position detection 3 port switching valve, 6H...Rod high speed side switching valve, 6L...Rod low speed side switching valve, 7 …
...Double check valve, 8...Shift interlock device, 9...Piston, 9a...Groove, 10
...stay ball, 11...interlock pin, 12...main shift shaft, 13...pressure switch, 14...lamp, C...air circuit, C1, C2...branch route, C3... ...merging route.
Claims (1)
レンジ又は低速シフトレンジに切り換えることが
できるものであつて、セレクトレバーに設けたブ
ラケツトがセレクト方向に手動によりシフトする
ことによりプランジヤーがＯＮ―ＯＦＦシーソー
制御される一対の３ポート高低速切換体と、両３
ポート高低速切換弁を介して高速側作動室及び低
速側作動室が大気又は空気圧源にシーソー選択・
連通する高低速切換えシリンダとをエアー回路途
中に設けた高低速切換え副変速機付トランスミツ
シヨンに於て、高低速切換えシリンダの高速側作
動室及び低速側作動室を各３ポート高低速切換弁
又は大気に連通させる２つのパイロツト切換弁を
エアー回路途中に設け、上記の各パイロツト切換
弁の両パイロツト部が大気又は空気圧源にシーソ
ー選択・連通する一対のロツド位置検出３ポート
切換弁を高低速切換えシリンダのロツドの移動経
路に設けたことを特徴とする高低速切換え副変速
機付トランスミツシヨン。 (2) 一方のパイロツト切換弁と高低速切換えシ
リンダの高速側作動室とを接続するエア回路途中
、及び、他方のパイロツト切換弁と高低速切換え
シリンダ低速側作動室とを接続するエア回路途中
からそれぞれ分岐経路を設け、分岐経路をダブル
チエツクバルブを介して合流経路に接続し、この
合流経路を、この合流経路から供給されたエアー
の圧力で移動するピストンに形成された溝の移動
によりステイールボール及びインターロツクピン
を押してメインシフトシヤフトの移動をロツクす
るシフトインターロツク装置に接続したことを特
徴とする実用新案登録請求の範囲第１項記載の高
低速切換え副変速機付トランスミツシヨン。 (3) 合流経路にプレツシヤスイツチを接続し、
このプレツシヤスイツチに警報装置を設けたこと
を特徴とする実用新案登録請求の範囲第１項記載
の高低速切換え副変速機付トランスミツシヨン。[Claims for Utility Model Registration] (1) The shift pattern is double H type and can be switched to a high-speed shift range or a low-speed shift range, and the bracket provided on the select lever is manually shifted in the select direction. A pair of 3-port high-low speed switching bodies that seesaw ON-OFF the plunger, and both 3-port high-low speed switching bodies.
The high-speed side working chamber and the low-speed side working chamber can be set to the atmosphere or air pressure source via the port high/low speed switching valve.
In a transmission with a high-low speed switching auxiliary transmission in which a communicating high-low speed switching cylinder is installed in the air circuit, the high-speed side working chamber and the low-speed side working chamber of the high-low speed switching cylinder are each connected to a 3-port high-low speed switching valve. Alternatively, two pilot switching valves that communicate with the atmosphere may be installed in the air circuit, and both pilot sections of each of the above pilot switching valves may select and communicate with the atmosphere or air pressure source. A transmission with a high/low speed switching sub-transmission characterized by being provided in the moving path of a rod of a switching cylinder. (2) From the middle of the air circuit that connects one pilot switching valve and the high-speed side working chamber of the high-low speed switching cylinder, and from the middle of the air circuit that connects the other pilot switching valve and the low-speed side working chamber of the high-low speed switching cylinder. A branch path is provided for each, and the branch path is connected to the confluence path via a double check valve, and the confluence path is stalled by movement of a groove formed in a piston that moves under the pressure of air supplied from the confluence path. A transmission with a high-low speed switching auxiliary transmission according to claim 1, which is connected to a shift interlock device that locks movement of the main shift shaft by pushing a ball and an interlock pin. (3) Connect the pressure switch to the merging route,
A transmission with a high/low speed switching auxiliary transmission according to claim 1, wherein the pressure switch is provided with an alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17784886U JPH0527735Y2 (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17784886U JPH0527735Y2 (en) | 1986-11-19 | 1986-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6382850U true JPS6382850U (en) | 1988-05-31 |
| JPH0527735Y2 JPH0527735Y2 (en) | 1993-07-15 |
Family
ID=31119434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17784886U Expired - Lifetime JPH0527735Y2 (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0527735Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013241978A (en) * | 2012-05-18 | 2013-12-05 | Isuzu Motors Ltd | Transmission device of vehicle |
-
1986
- 1986-11-19 JP JP17784886U patent/JPH0527735Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013241978A (en) * | 2012-05-18 | 2013-12-05 | Isuzu Motors Ltd | Transmission device of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0527735Y2 (en) | 1993-07-15 |
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