JPH0543320Y2 - - Google Patents
Info
- Publication number
- JPH0543320Y2 JPH0543320Y2 JP1988109666U JP10966688U JPH0543320Y2 JP H0543320 Y2 JPH0543320 Y2 JP H0543320Y2 JP 1988109666 U JP1988109666 U JP 1988109666U JP 10966688 U JP10966688 U JP 10966688U JP H0543320 Y2 JPH0543320 Y2 JP H0543320Y2
- Authority
- JP
- Japan
- Prior art keywords
- speed
- vehicle
- reverse
- clutch
- transmission
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案はフオークリフトのような産業車両に
設けられた自動変速装置に関する。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to an automatic transmission device installed in an industrial vehicle such as a forklift.
（従来の技術）
従来フオークリフトのような産業車両に搭載さ
れた自動変速装置として第２図に示すものが公知
である。(Prior Art) The automatic transmission device shown in FIG. 2 is conventionally known as an automatic transmission device mounted on an industrial vehicle such as a forklift.
上記自動変速装置は複数段の前進及び後進の変
速ギヤを有していて、これら変速ギヤは各段毎に
設けられたクラツチａにより切換えられるように
なつている。 The automatic transmission has a plurality of forward and reverse gears, and these gears are switched by a clutch a provided for each gear.
なお第２図では前進２段、後進２段の場合を示
す。 Note that FIG. 2 shows the case of two forward speeds and two reverse speeds.
また上記各クラツチａには、油圧ポンプｂより
前後切換え弁ｃ及び前進、後進用の速度切換え電
磁弁ｄ，ｅを介して油圧が供給されるようになつ
ており、速度切換え電磁弁ｄ，ｅには制御器ｆよ
り電気信号が入力されて、この電気信号により速
度切換え用電磁弁ｄ，ｅが切換えられるようにな
つている。 In addition, hydraulic pressure is supplied to each of the clutches a from a hydraulic pump b through a forward and backward switching valve c and speed switching solenoid valves d and e for forward and reverse travel. An electric signal is inputted from the controller f, and the speed switching solenoid valves d and e are switched by this electric signal.
なお、図中ｇは車速を検出する車速センサであ
る。 Note that g in the figure is a vehicle speed sensor that detects the vehicle speed.
（考案が解決しようとする課題）
しかし上記従来の自動変速装置では、予め制御
器ｆ内に設定された速度データにより使用するク
ラツチａを選択して、そのクラツチａが接続され
るよう速度切換え電磁弁ｄ，ｅを切換えているた
め、運転者が走行状況や作業状況に応じて任意な
変速速度が設定できず、走行中危険を感じたり、
作業がやりにくいなどの不具合があつた。(Problem to be solved by the invention) However, in the conventional automatic transmission described above, clutch a to be used is selected based on speed data set in advance in controller f, and a speed switching electromagnetic device is used to connect clutch a. Because the valves d and e are switched, the driver cannot set the desired speed change depending on the driving and work conditions, and may feel unsafe while driving.
There were some problems, such as difficulty in working.
また特開昭62−118146号の自動変速機の変速制
御装置のように変速点マツプの各パラメータのう
ち少なくとも１つについて、そのセンサからの信
号を補正する手段を設け、運転者の意思や運転環
境に応じて連続的に変速点マツプを選択するよう
にしたものも公知であるが、構造が複雑でコスト
的にも無理があることは否めない。 Also known is a shift control device for an automatic transmission in Japanese Patent Laid-Open No. 62-118146, which provides a means for correcting the signal from a sensor for at least one of the parameters of the shift point map, and continuously selects the shift point map in accordance with the driver's intentions and the driving environment. However, it is undeniable that this is a complex structure and unreasonable in terms of cost.
この考案は上記不具合を改善する目的でなされ
たもので、きわめて簡単な構成で走行状況や作業
状況、運転者の好みに応じて変速速度が選択でき
るようにした産業車両の自動変速装置を提供しよ
うとするものである。 This invention was made with the aim of improving the above-mentioned problems, and aims to provide an automatic transmission device for industrial vehicles that has an extremely simple configuration and allows the speed change to be selected according to driving conditions, work conditions, and the driver's preference. That is.
（課題を解決するための手段及び作用）
この考案は上記目的を達成するために、複数の
速度段を有する変速機の各速度段毎に設けられた
変速クラツチと、前後進切換え弁の間に設けられ
た前進速度切換え電磁弁及び後進速度切換え電磁
弁を、予め設定された変速データと、車速センサ
が検出した車速に基づいて制御器より出力される
制御信号により切換え制御する産業車両の自動変
速装置において、上記制御器に、運転席より操作
可能な摘子に連動する摺動子を回動することによ
り変速速度が無段階に選択できる可変抵抗器によ
り形成された変速速度切換え器を接続したことに
より、運転状況や作業状況、運転者の好みに応じ
て変速速度が選択できるようにした産業車両の自
動変速装置を提供するものである。(Means and effects for solving the problem) In order to achieve the above object, this invention has been developed between a gear shift clutch provided for each speed gear of a transmission having a plurality of speed gears and a forward/reverse switching valve. Automatic gear shifting for industrial vehicles in which a forward speed switching solenoid valve and a reverse speed switching solenoid valve are switched and controlled by a control signal output from a controller based on preset gear shifting data and a vehicle speed detected by a vehicle speed sensor. In the device, a speed change switch formed by a variable resistor is connected to the controller, and the speed change can be selected steplessly by rotating a slider that is linked to a knob that can be operated from the driver's seat. In this way, an automatic transmission device for an industrial vehicle is provided in which the shifting speed can be selected according to the driving situation, work situation, and driver's preference.
（実施例）
この考案の一実施例を第１図に示す図面を参照
して詳述する。(Example) An example of this invention will be described in detail with reference to the drawing shown in FIG.
図において１は図示しない産業車両に搭載され
た変速機のクラツチで、上記変速機はエンジンの
出力を流体変速機を介して入力される構成となつ
ている。 In the figure, reference numeral 1 denotes a clutch of a transmission mounted on an industrial vehicle (not shown), and the transmission is configured to receive engine output through a fluid transmission.
また前進及び後進用に複数段の変速ギヤを有し
ていて、それぞれ上記クラツチ１が設けられてい
る。 It also has a plurality of speed change gears for forward and reverse movement, each of which is provided with the aforementioned clutch 1.
なお第１図では前進２段、後進２段のクラツチ
１のみを示し、１Ｆを前進１速のクラツチ、２Ｆ
を前進２速のクラツチ、そして１Ｒを後進１速の
クラツチ、２Ｒを後進２速のクラツチとして説明
する。 In addition, in Fig. 1, only the clutch 1 with two forward speeds and two reverse speeds is shown, and 1F is the clutch with the first forward speed, and 2F is
will be explained assuming that 1R is a clutch for 2nd forward speed, 1R is a clutch for 1st reverse speed, and 2R is a clutch for 2nd reverse speed.
図中２は上記産業車両に搭載された油圧ポンプ
で、この油圧ポンプ２の吐出圧はレギユレータ３
により調圧された後、運転席の近傍に設けられた
前後進切換えレバー４ａにより切換え制御される
前後進切換え弁４及び前進速度切換え電磁弁５、
後進速度切換え電磁弁６を介して各クラツチ１
Ｆ，２Ｆ，１Ｒ，２Ｒに供給され、これらの１個
が動作されるようになつている。 2 in the figure is a hydraulic pump mounted on the above-mentioned industrial vehicle, and the discharge pressure of this hydraulic pump 2 is controlled by a regulator 3.
A forward/reverse switching valve 4 and a forward speed switching solenoid valve 5 are controlled by a forward/reverse switching lever 4a provided near the driver's seat after the pressure is regulated by the driver's seat.
Each clutch 1 is connected via a reverse speed switching solenoid valve 6.
It is supplied to F, 2F, 1R, and 2R, and one of these is operated.
一方図中７は上記前後進速度切換え弁５および
後進速度切換え電磁弁６を切換え制御する制御器
で、車速センサ８より現在の車速が入力されてい
ると共に、制御器７内には予め車速と使用するク
ラツチ１の関係が車速データとして記憶され、車
速センサ８より入力する現在の車速に応じてクラ
ツチ１Ｆ，２Ｆまたは１Ｒ，２Ｒを選択し、これ
らクラツチ１Ｆ，２Ｆ，１Ｒ，２Ｒの１個に油圧
ポンプ２の油圧が供給されるように前進速度切換
え電磁弁５または後進速度切換え電磁弁６へ電気
信号を出力して、これら電磁弁５，６を切換える
ようになつている。 On the other hand, 7 in the figure is a controller that switches and controls the forward/reverse speed switching valve 5 and the reverse speed switching solenoid valve 6. The current vehicle speed is inputted from the vehicle speed sensor 8, and the controller 7 also contains the vehicle speed and other information in advance. The relationship between the clutches 1 to be used is stored as vehicle speed data, and clutches 1F, 2F or 1R, 2R are selected according to the current vehicle speed input from the vehicle speed sensor 8. An electric signal is output to the forward speed switching solenoid valve 5 or the reverse speed switching solenoid valve 6 to switch these solenoid valves 5 and 6 so that the hydraulic pressure of the hydraulic pump 2 is supplied.
また上記制御器７には、予め設定された速度デ
ータによる変速制御と別に運転者の好みなどに応
じて変速速度が任意に切換えられる変速速度切換
え器９が接続されている。 Further, connected to the controller 7 is a speed change switch 9 which can arbitrarily change the speed change according to the driver's preference, in addition to the speed change control based on preset speed data.
上記変速速度切換え器９は可変抵抗器より構成
されていて、図示しない運転席の近傍に設けら
れ、運転席より操作可能な摘子などに連動された
摺動子９ａを回動することにより任意の変速速度
が無段階に選択できるようになつている。 The transmission speed changeover device 9 is composed of a variable resistor, and is provided near the driver's seat (not shown), and can be operated as desired by rotating a slider 9a linked to a knob or the like that can be operated from the driver's seat. Shift speed can be selected steplessly.
次に作用を説明すると、予め制御器７内に設定
された変速データに基づいて変速機を制御する場
合は変速速度切換え器９をオフの状態にして運転
を開始する。 Next, the operation will be explained. When controlling the transmission based on the shift data set in advance in the controller 7, the shift speed changeover device 9 is turned off and operation is started.
車両が停止状態から前後進切換え弁４を前進に
入れると、予め設定された変速データに基づいて
前進１速クラツチ１Ｆが選択され、制御器７から
前進速度切換え電磁弁５へ制御信号が出力され
て、該電磁弁５が第１図のポジシヨンへ切換えら
れる。 When the vehicle is in a stopped state and the forward/reverse switching valve 4 is set to forward, the first forward speed clutch 1F is selected based on preset shift data, and a control signal is output from the controller 7 to the forward speed switching solenoid valve 5. Then, the solenoid valve 5 is switched to the position shown in FIG.
これによつて油圧ポンプ２の吐出圧が１速クラ
ツチ１Ｆへ供給されて一速段の変速ギヤが接続さ
れるため、車両は前進１速で前進開始する。 As a result, the discharge pressure of the hydraulic pump 2 is supplied to the first speed clutch 1F and the first speed gear is connected, so that the vehicle starts moving forward in the first forward speed.
その後車速が上つて所定車速に達すると、予め
設定された変速データに基づいて前進２速のクラ
ツチ２Ｆが選択され、このクラツチ２Ｆが接続さ
れるように前進速度切換え電磁弁５が切換えられ
る。 After that, when the vehicle speed increases and reaches a predetermined vehicle speed, the clutch 2F of the second forward speed is selected based on preset shift data, and the forward speed switching solenoid valve 5 is switched so that the clutch 2F is connected.
以上のようにして車両は自動的に変速されて走
行すると共に、ブレーキにより減速した場合は、
減速された車速に応じた前進クラツチ１Ｆ，２Ｆ
が選択されるようになる。 As described above, the vehicle automatically changes gears and runs, and when the brakes are used to decelerate,
Forward clutch 1F, 2F according to the reduced vehicle speed
will be selected.
一方周囲の状況や作業の内容、運転者の熟練度
などにより予め制御器７に設定されている変速デ
ータによる変速動作では危険を感じたり、好みに
合わない場合は、変速速度切換え器９の摺動子９
ａを任意の位置まで回動する。 On the other hand, depending on the surrounding conditions, the content of the work, the skill level of the driver, etc., if the speed change operation based on the speed change data preset in the controller 7 feels dangerous or does not suit your tastes, the speed change switch 9 may be used. Moko 9
Rotate a to the desired position.
これによつて好みの変速速度が無段階に得られ
るようになるため、作業が安全かつ能率よく行な
えるようになる。 This allows you to steplessly obtain your desired shifting speed, allowing you to work safely and efficiently.
（考案の効果）
この考案は以上詳述したように、運転状況や作
業状況、運転者の好みなどに応じて変速速度が無
段階に選択できる変速速度切換器を設けたことか
ら、予め制御器に設定された変速速度が合わない
場合この変速速度切換え器により変速速度を選択
することにより、周囲の状況や作業内容、運転者
の好みなどに応じた変速速度で走行及び作業が行
なえるようになり、作業の安全と能率の向上が図
れるようになる。(Effects of the invention) As detailed above, this invention is equipped with a speed changer that allows the speed change to be selected steplessly according to the driving situation, work situation, driver's preference, etc. If the gear shift speed set for the machine does not match, you can select the gear shift speed using this shift speed switch, so that you can drive and work at a gear shift speed that suits the surrounding conditions, work content, driver preference, etc. This will improve work safety and efficiency.
また変速速度切換え器を可変抵抗器とすること
により変速速度が無段階に設定できるため、好み
に合つた変速速度の設定がより簡単に行なえる効
果もある。 In addition, by using a variable resistor as the shift speed changer, the shift speed can be set steplessly, which has the effect of making it easier to set the shift speed that suits your preference.
従つてこの考案によれば、きわめて簡単な構成
で操作容易な変速装置が安価に提供できる。 Therefore, according to this invention, a transmission device with an extremely simple structure and easy operation can be provided at a low cost.
第１図はこの考案の一実施例を示す回路図、第
２図は従来の説明図である。
１……変速クラツチ、４……前後進切換え弁、
５……前後進速度切換え電磁弁、６……考案速度
切換え電磁弁、７……制御器、８……車速セン
サ、９……変速速度切換え器、９ａ……摺動子。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is an explanatory diagram of a conventional device. 1... Speed change clutch, 4... Forward/forward switching valve,
5... Forward/forward speed switching solenoid valve, 6... Invented speed switching solenoid valve, 7... Controller, 8... Vehicle speed sensor, 9... Shift speed switching device, 9a... Slider.
Claims (1)
けられた変速クラツチ１と、前後進切換え弁４の
間に設けられた前進速度切換え電磁弁５及び後進
速度切換え電磁弁６を、予め設定された変速デー
タと、車速センサ８が検出した車速に基づいて制
御器７より出力される制御信号により切換え制御
する産業車両の自動変速装置において、上記制御
器７に、運転席より操作可能な摘子に連動する摺
動子９ａを回動することにより変速速度が無段階
に選択できる可変抵抗器により形成された変速速
度切換え器９を接続してなる産業車両の自動変速
装置。 The forward speed switching solenoid valve 5 and the reverse speed switching solenoid valve 6 provided between the transmission clutch 1 provided for each speed stage of a transmission having a plurality of speed stages and the forward/reverse switching valve 4 are set in advance. In an automatic transmission system for an industrial vehicle that performs switching control based on a control signal output from a controller 7 based on the speed change data detected by the vehicle speed sensor 8 and the vehicle speed detected by a vehicle speed sensor 8, the controller 7 includes a knob that can be operated from the driver's seat. An automatic transmission device for an industrial vehicle, which is connected to a transmission speed changer 9 formed by a variable resistor, in which the transmission speed can be selected steplessly by rotating a slider 9a interlocked with the slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109666U JPH0543320Y2 (en) | 1988-08-23 | 1988-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109666U JPH0543320Y2 (en) | 1988-08-23 | 1988-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0231953U JPH0231953U (en) | 1990-02-28 |
| JPH0543320Y2 true JPH0543320Y2 (en) | 1993-11-01 |
Family
ID=31346120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988109666U Expired - Lifetime JPH0543320Y2 (en) | 1988-08-23 | 1988-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543320Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950262A (en) * | 1982-09-17 | 1984-03-23 | Komatsu Ltd | Automatic gear-shift controlling apparatus |
| JPS62118146A (en) * | 1985-11-15 | 1987-05-29 | Toyota Motor Corp | Transmission control device for automatic transmission |
| JPS62191237A (en) * | 1986-02-17 | 1987-08-21 | Toyota Motor Corp | Device for controlling traveling characteristic for vehicle |
-
1988
- 1988-08-23 JP JP1988109666U patent/JPH0543320Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950262A (en) * | 1982-09-17 | 1984-03-23 | Komatsu Ltd | Automatic gear-shift controlling apparatus |
| JPS62118146A (en) * | 1985-11-15 | 1987-05-29 | Toyota Motor Corp | Transmission control device for automatic transmission |
| JPS62191237A (en) * | 1986-02-17 | 1987-08-21 | Toyota Motor Corp | Device for controlling traveling characteristic for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0231953U (en) | 1990-02-28 |
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