JPH0285548A - Gear shift operation device for combine harvesters, etc. - Google Patents
Gear shift operation device for combine harvesters, etc.Info
- Publication number
- JPH0285548A JPH0285548A JP63238411A JP23841188A JPH0285548A JP H0285548 A JPH0285548 A JP H0285548A JP 63238411 A JP63238411 A JP 63238411A JP 23841188 A JP23841188 A JP 23841188A JP H0285548 A JPH0285548 A JP H0285548A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- shaft
- speed change
- transmission
- shift
- 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
- 241001124569 Lycaenidae Species 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000007935 neutral effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Structure Of Transmissions (AREA)
- Control Of Transmission Device (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 る。[Detailed description of the invention] Ru.
従来の技術、および発明が解決しようとする課題
変速軸に沿わせて移動する変速キーを、この変速軸回り
に回転する変速ギヤに咬合選択することによってギヤ変
速を行う形態の変速伝動装置にあっては、変速キーが軸
方向へ移動し易く、破損の虞れが大きい。PRIOR ART AND PROBLEMS TO BE SOLVED BY THE INVENTION There is a speed change transmission device in which a gear shift is performed by engaging and selecting a speed change key that moves along a speed change shaft with a speed change gear that rotates around this speed change shaft. In this case, the speed change key is likely to move in the axial direction, and there is a high risk of damage.
課題を解決するための手段
この発明は、入力軸（１）上の入力ギヤ（２）と変速軸
（３）上の変速ギヤ（４）との常時噛合による変速伝動
位置の選択を、該変速軸（３）に沿わせて移動操作する
変速キー（５）の咬合せによって行わせる変速伝動装置
において、この変速軸（３）の回転による遠心力にの構
成とする。Means for Solving the Problems The present invention provides a method for selecting a transmission position through constant meshing between an input gear (2) on an input shaft (1) and a transmission gear (4) on a transmission shaft (3). In a speed change transmission device that is operated by engaging a speed change key (5) that is moved along a shaft (3), centrifugal force is generated by the rotation of this speed change shaft (3).
発明の作用、および効果
人力軸（１）の回転によって各入力ギヤ（２）及び変速
軸（３）上の変速ギヤ（４）が常時噛合回転している。Functions and Effects of the Invention Due to the rotation of the human-powered shaft (1), each input gear (2) and the transmission gear (4) on the transmission shaft (3) are constantly engaged and rotated.
変速キー（５）を中立位置におくときは変速軸（３）は
回転されないが、いずれかの変速ギヤ（４）に咬合させ
ると、この変速キー（５）を介して咬合された位置の変
速ギヤ（４１と変速軸（３）とが一体内に回転伝動され
る。When the shift key (5) is placed in the neutral position, the shift shaft (3) is not rotated, but when it is engaged with any shift gear (4), the gear shift at the engaged position is performed via this shift key (5). The gear (41) and the speed change shaft (3) are integrally transmitted to rotate.
このようにして変速軸（３）が回転されると、自動係止
装置（６）においては、遠心力によってこの変速キ−（
５）の咬合位置を係止して、この変速キー（５）が伝動
回転中における軸方向の移動を防止して、正確な変速伝
動位置を維持する。When the gear shift shaft (3) is rotated in this way, the automatic locking device (6) uses centrifugal force to lock the shift key (
The occlusal position of 5) is locked to prevent the shift key (5) from moving in the axial direction during transmission rotation, thereby maintaining an accurate shift transmission position.
このように自動係止装置（６）は、変速位置における変
速キー（５）の咬合を、この変速軸（３）の回転による
遠心力によって係止維持するものであるから。As described above, the automatic locking device (6) maintains the engagement of the gear shift key (5) in the gear shift position by the centrifugal force generated by the rotation of the gear shift shaft (3).
変速操作後の変速軸（３）の回転上昇によって自動的に
変速キー（５）の固定が行われ、クラッチの切り等によ
って変速軸（３）の伝動回転が低下すると変速キー（５
）の移動が行われ易くなり、変速操作が容易で、的確に
行われる。The shift key (5) is automatically fixed as the rotation of the shift shaft (3) increases after the shift operation, and when the transmission rotation of the shift shaft (3) decreases due to disengagement of the clutch, etc., the shift key (5) is locked.
) movement is easier to perform, and gear shifting operations are easier and more accurate.
実施例
なお、回倒において、コンバイン等の走行伝動ケース（
７）に、−に部から入力軸（１）、変速軸（３）、中間
軸（Ｂ）、操向軸（９）、及び走行軸ｔｌｌ）等を軸受
する。入力軸（１）には異径の入力ギヤ（２）を一体回
転するように設け、外側端にはエンジン側からベルト０
０伝動される人力プーリ（１シ、及び刈取搬送装置等の
作業部を伝動する動力取出プーリ（１３を設けている。Example Note that when rotating, the traveling transmission case of a combine harvester, etc.
7), the input shaft (1), the speed change shaft (3), the intermediate shaft (B), the steering shaft (9), and the traveling shaft (tll), etc. are supported from the negative part. The input shaft (1) is equipped with an input gear (2) of different diameters so as to rotate together, and a belt 0 is connected to the outer end from the engine side.
A human power pulley (13) that transmits zero power and a power take-off pulley (13) that transmits power to working parts such as the reaping and conveying device are provided.
変速軸（３）には、軸方向に沿ってキー溝０４を設け、
このキー溝０４に変速キー（５）を摺動自在に嵌合し。The speed change shaft (3) is provided with a keyway 04 along the axial direction,
A shift key (5) is slidably fitted into this keyway 04.
変速軸（３）の一端側にはスライダーｆｌ’ｉを嵌合さ
せて軸方向へ移動自在として、該変速キー（５）の基端
部をこのスライダー０９に揺動自在にピン（Ｉｌａで枢
支している。このスライダー０！ｉの移動部の変速軸（
３）部には、クリップ＠（ｒ７）を設け、スライダー（
１つにばね（１８で弾発付勢したクリップボール（１を
このクリップ溝（ｒ７１に嵌合させて、変速キー（５）
及びスライダー［１９の変速位置を係止する構成として
いる。又、このスライダー（１！２には遠心力によって
回動するウェイト（至）をピンの）で回動自在に設け、
このウェイト（至）のアームｔ２３先端には該クリップ
溝（功に嵌合する係止ピンのを設け、変速軸（３）の回
転によってウェイト（至）が遠心力で外方へ回動される
と、この係止ピン口が対応するクリップ溝（功へ嵌合し
て、このスライダー（１９の軸方向への移動を行わせな
いように係止する自動係止装置（６）を設けている。（
ハ）はこのスライダー（１９を移動操作する変速シフタ
、四はシフタ軸四に設けたシフタアームで、変速レバー
等で操作される。A slider fl'i is fitted onto one end of the speed change shaft (3) so that it can move freely in the axial direction, and the base end of the speed change key (5) is pivotally attached to the slider 09 with a pin (Ila). The speed change shaft of the moving part of this slider 0!i (
3) section is provided with a clip @ (r7), and the slider (
Fit the clip ball (1) elastically biased with a spring (18) into this clip groove (r71), and then press the gear shift key (5).
The gear shift position of the slider [19] and the slider [19] are locked. In addition, this slider (1! 2 has a weight (to) on the pin that rotates due to centrifugal force) so that it can rotate freely,
A locking pin that fits into the clip groove is provided at the tip of the arm t23 of this weight (to), and the weight (to) is rotated outward by centrifugal force when the speed change shaft (3) rotates. An automatic locking device (6) is provided which locks the locking pin opening into the corresponding clip groove (locking) to prevent the slider (19 from moving in the axial direction). .(
C) is a speed change shifter for moving this slider (19), and 4 is a shift arm provided on the shifter shaft 4, which is operated by a speed change lever or the like.
変速軸（３）の外周には、入力ギヤ（２）と常時噛合す
る変速ギヤ（４）と、一体回転の中立ギヤ（至）とを設
け、これら各ギヤｆ４１ Ｃ１！ｊの内周部には該変速
キー（５）が係合できるキー溝谷を形成し、変速キー（
５）をいずれかの変速ギヤ（４）又は中立ギヤ（至）の
キー溝谷に係合することによって、この変速キー（５）
を介して変速ギヤ（４］と変速軸（３）とが一体回転す
る状態とすることができる。但し、中立ギヤ国はいずれ
の人力ギヤ（２）とも噛合していないために、この中立
ギヤ（ト）のキー溝谷に変速キー（５）が係合するとき
は、変速伝動は行われず、中立状態となる。又、変速ギ
ヤ（４）のうち後進変速ギヤは、後進ギヤ翰を介して人
力ギヤ（２）と常時噛合されている。On the outer periphery of the speed change shaft (3), a speed change gear (4) that constantly meshes with the input gear (2) and a neutral gear (to) that rotates integrally are provided, and each of these gears f41 C1! A key groove valley in which the gear shift key (5) can be engaged is formed on the inner periphery of the gear shift key (5).
5) into the keyway valley of either the transmission gear (4) or the neutral gear (to), the transmission key (5)
The transmission gear (4) and the transmission shaft (3) can be made to rotate together through the transmission gear (4).However, since the neutral gear country does not mesh with any manual gear (2), this neutral gear When the shift key (5) engages with the key groove valley in (G), shift transmission is not performed and the state is in a neutral state.Also, among the shift gears (4), the reverse gear is connected via the reverse gear ridge. It is always meshed with the manual gear (2).
中間軸（８）には、この後進ギヤ（イ）を回転自在に設
け、該中立ギヤ（ト）から伝動回転されるギヤ（５）を
−体に設け、更に操向軸（９）のセンタギヤ（至）を伝
動回転するギヤ（ハ）を設ける。変速キー（５）で選択
された変速ギヤ（４）による伝動回転は、変速軸（３）
から中立ギヤ（至）、ギヤ（５）、中間軸（８）、ギヤ
（至）、及びセンタギヤ（至）へ伝動回転される。The intermediate shaft (8) is rotatably provided with this reverse gear (a), a gear (5) which is rotated by transmission from the neutral gear (g) is provided on the body, and the center gear of the steering shaft (9) A gear (c) is provided to transmit and rotate (to). The transmission rotation by the speed change gear (4) selected with the speed change key (5) is transmitted through the speed change shaft (3).
It is transmitted and rotated from the neutral gear (to), the gear (5), the intermediate shaft (8), the gear (to), and the center gear (to).
（至）は操向軸（９）上の操向クラッチギヤ、００は操
向ブレーキ、（至）は操向シフターである。操向シフタ
ー蜀の操作で操向クラッチギヤ（至）を軸方向へ移動操
作して、センタギヤ（至）との間の操向クラッチ（ロ）
を入り、切りすることができ、かっこの切り位置で更に
該操向クラッチギヤ（至）を外方へ移動すると操向ブレ
ーキ（３１）を制動して、この操向クラッチギヤ（至）
の付回りを制動する。Ｇ３は各操向クラッチギヤ（至）
と常時噛合して走行軸頭と一体に設けたホイルギヤであ
る。走行軸０１は走行車輪、又はクローラ等を伝動する
。(to) is a steering clutch gear on the steering shaft (9), 00 is a steering brake, and (to) is a steering shifter. The steering clutch gear (to) is moved in the axial direction by operating the steering shifter Shu, and the steering clutch (to) is moved between the steering clutch gear (to) and the center gear (to).
When the steering clutch gear (to) is further moved outward at the cut position of the parentheses, the steering brake (31) is braked, and this steering clutch gear (to) is
Brake the rotation of the vehicle. G3 is each steering clutch gear (to)
This is a wheel gear that is always in mesh with the running shaft head and is installed integrally with the running shaft head. The running shaft 01 transmits power to running wheels, crawlers, etc.
図はこの発明の一実施例を示すもので、第１図は正断面
図、第２図は一部の側断面図である。
図中、符号ｆｌ＋は入力軸、（２）は入力ギヤ、（３）
は変速軸、（４）は変速ギヤ、（５）は変速キー、（６
）は自動係止装置を示す。The figures show one embodiment of the present invention, with FIG. 1 being a front sectional view and FIG. 2 being a partial side sectional view. In the figure, the code fl+ is the input shaft, (2) is the input gear, and (3)
is the transmission shaft, (4) is the transmission gear, (5) is the transmission key, (6
) indicates an automatic locking device.
Claims (1)
速ギヤ（４）との常時噛合による変速伝動位置の選択を
、該変速軸（３）に沿わせて移動操作する変速キー（５
）の咬合せによって行わせる変速伝動装置において、こ
の変速軸（３）の回転による遠心力によって該変速キー
（５）の咬合位置を係止する自動係止装置（６）を設け
てなるコンバイン等の変速操作装置。Selection of the transmission position by constant meshing between the input gear (2) on the input shaft (1) and the transmission gear (4) on the transmission shaft (3) is performed by moving along the transmission shaft (3). Shift key (5
), in which the speed change transmission is performed by the occlusion of the speed change shaft (3), which is equipped with an automatic locking device (6) that locks the occlusion position of the speed change key (5) by centrifugal force caused by the rotation of the speed change shaft (3). gear shift operation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63238411A JPH0285548A (en) | 1988-09-21 | 1988-09-21 | Gear shift operation device for combine harvesters, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63238411A JPH0285548A (en) | 1988-09-21 | 1988-09-21 | Gear shift operation device for combine harvesters, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285548A true JPH0285548A (en) | 1990-03-27 |
Family
ID=17029808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63238411A Pending JPH0285548A (en) | 1988-09-21 | 1988-09-21 | Gear shift operation device for combine harvesters, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128320A (en) * | 2020-07-30 | 2020-12-25 | 艾其宽 | Gear box |
-
1988
- 1988-09-21 JP JP63238411A patent/JPH0285548A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128320A (en) * | 2020-07-30 | 2020-12-25 | 艾其宽 | Gear box |
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