JPH07231701A - Transmission structure of power tiller - Google Patents

Transmission structure of power tiller

Info

Publication number
JPH07231701A
JPH07231701A JP22767193A JP22767193A JPH07231701A JP H07231701 A JPH07231701 A JP H07231701A JP 22767193 A JP22767193 A JP 22767193A JP 22767193 A JP22767193 A JP 22767193A JP H07231701 A JPH07231701 A JP H07231701A
Authority
JP
Japan
Prior art keywords
gear
traveling
speed
arm
tilling
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
Application number
JP22767193A
Other languages
Japanese (ja)
Other versions
JP2878565B2 (en
Inventor
Takenori Yamamoto
武憲 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Original Assignee
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Iseki and Co Ltd, Iseki Agricultural Machinery Mfg Co Ltd filed Critical Iseki and Co Ltd
Priority to JP5227671A priority Critical patent/JP2878565B2/en
Publication of JPH07231701A publication Critical patent/JPH07231701A/en
Application granted granted Critical
Publication of JP2878565B2 publication Critical patent/JP2878565B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Soil Working Implements (AREA)
  • Arrangement Of Transmissions (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • General Details Of Gearings (AREA)

Abstract

PURPOSE:To provide a transmission structure of a power tiller having excellent traveling stability. CONSTITUTION:Gear groups of a traveling system and a rotary system are housed in a transmission case 17 constituted in an integrated way in a chevron shape and these gear groups are arranged above an axle 20 of a power tiller.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、耕耘機のミッション
構造に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cultivator mission structure.

【0002】[0002]

【従来技術】従来の耕耘機等のミッションケ−スは、例
えば実開昭53−21906号や実開昭54−402号
公報に示されるように走行側のケ−スと耕耘ケ−ス側と
が別体として構成され、しかも、これらのケ−スに組み
込まれているギヤ群は車軸よりも車体後方寄りに配置さ
れている。
2. Description of the Related Art Conventional mission cases for cultivators and the like are disclosed in, for example, Japanese Utility Model Publication No. 53-21906 and Japanese Utility Model Publication No. 54-402, in which a running case and a cultivating case are mounted. And are configured as separate bodies, and the gear group incorporated in these cases is arranged closer to the rear of the vehicle than the axle.

【0003】[0003]

【発明が解決しようとする課題】上記した従来装置で
は、2つのケ−スを必要とするために部品点数が増えて
コスト高となる欠点があるほか、車軸の後方に重心が位
置することから前後バランスが悪くなり、ハンドル操作
に支障を来たし、走行安定性を悪くする問題点があっ
た。
The above-mentioned conventional apparatus has the drawback that the number of parts increases and the cost increases because two cases are required, and the center of gravity is located behind the axle. There was a problem that the front-rear balance became poor, the steering wheel operation was hindered, and the running stability was deteriorated.

【0004】[0004]

【課題を解決するための手段】この発明は前記問題点に
鑑みて提案するものであり、次のような技術的手段を講
じた。即ち、側面視がヘ字状に一体構成されたミッショ
ンケ−ス17内に走行系のギヤ群とロ−タリ−系のギヤ
群を収容し、これらのギヤ群を耕耘機の車軸20上方に
配置したことを特徴とする耕耘機のミッション構造とす
る。
The present invention has been proposed in view of the above problems, and the following technical means have been taken. That is, a traveling case gear group and a rotary group gear group are housed in a transmission case 17 that is integrally formed in a V-shape when viewed from the side, and these gear groups are located above the axle 20 of the cultivator. The structure of the cultivator's mission is characterized by the arrangement.

【0005】[0005]

【実施例】以下、図面に示す実施例に基づいて、この発
明の実施例を説明する。まず、構成から説明すると、図
7に示す如く、耕耘機の車体1は、ミッションケ−ス1
7と、この上端部において後方へ突出するハンドルフレ
−ム18とを主体としている。ミッションケ−ス17は
側面視がヘ字状であって、走行系のギヤ群を収容してい
るケ−スとロ−タリ−側のギヤ群を収容しているケ−ス
とが一体に構成されている。そして、このミッションケ
−ス17の前下端部には車輪19を有した車軸20を設
け、後下端部に耕耘爪21を配設した耕耘軸22を設け
る。このミッションケ−ス17の上部にこれらの車軸2
0及び耕耘軸22等を伝動する伝動機構としてのギヤ群
を設けている。
Embodiments of the present invention will be described below based on the embodiments shown in the drawings. First, the structure will be described. As shown in FIG. 7, the body 1 of the cultivator has a mission case 1
7 and a handle frame 18 projecting rearward at the upper end portion. The mission case 17 has a V-shape when viewed from the side, and the case that houses the traveling system gear group and the case that houses the rotary side gear group are integrally formed. It is configured. An axle 20 having wheels 19 is provided at the front lower end of the mission case 17, and a cultivating shaft 22 having a cultivating claw 21 is provided at the rear lower end. These axles 2 are attached to the top of this mission case 17.
A gear group is provided as a transmission mechanism for transmitting 0 and the cultivating shaft 22 and the like.

【0006】ハンドルフレ−ム18内には、伝動機構を
変速操作するシフタア−ム23、24、及び後端部の変
速レバ−2によってこれらのシフタア−ム23、24を
操作する連動機構等を設けている。ハンドルフレ−ム1
8後端のブラケット25には、ピン26回りに左右方向
へ回動自在の上下一対の回動ア−ム27、28を設け
る。この回動ア−ム27、28の後端部には変速レバ−
2の嵌合し得る切欠29、30を設けている。
Inside the handle frame 18, there are shifter arms 23, 24 for shifting the transmission mechanism, and an interlocking mechanism for operating the shifter arms 23, 24 by a shift lever-2 at the rear end. It is provided. Handle frame 1
The bracket 25 at the rear end of the eight is provided with a pair of upper and lower rotating arms 27 and 28 which are rotatable around the pin 26 in the left-right direction. A gear shift lever is provided at the rear ends of the rotating arms 27 and 28.
Two matable notches 29, 30 are provided.

【0007】変速レバ−2の基部は、該ピン26回りに
回動自在でかつこのピン26と左右方向へ直交するピン
31回りにも回動自在とし、上下左右に回動操作でき
る。回動ア−ム27、28は左右反対方向に突出する突
出部において、前記シフタア−ム23、24のア−ム3
2、33とロッド34、35で連結している。36、3
7はシフタア−ム23、24の軸で、ミッションケ−ス
17の上端部に対して回動自在に設けている。ハンドル
フレ−ム18の後端面には、操作パネル38を設け、こ
の操作パネル38に該操作レバ−2を案内する走行変速
溝7、耕耘切替溝8、及び耕耘操作溝10を設けてい
る。走行変速溝7は下位に、又耕耘切替溝8は上位にし
て、これらの左右中央部で上下連通すべく耕耘操作溝1
0を形成している。
The base of the shift lever-2 is rotatable about the pin 26 and also about a pin 31 which is orthogonal to the pin 26 in the left-right direction, and can be rotated vertically and horizontally. The rotating arms 27 and 28 are provided at the protruding portions protruding in the left and right opposite directions, and the arms 3 of the shifter arms 23 and 24 are provided.
2, 33 and rods 34, 35 are connected. 36, 3
Reference numeral 7 denotes shafts of shifter arms 23 and 24, which are rotatably provided with respect to the upper end portion of the transmission case 17. An operation panel 38 is provided on the rear end surface of the handle frame 18, and a traveling speed change groove 7, a tillage switching groove 8 and a tilling operation groove 10 are provided on the operation panel 38 for guiding the operation lever-2. The traveling speed change groove 7 is in the lower position, and the tilling switching groove 8 is in the upper position.
Forming 0.

【0008】なお、これら走行変速溝7、耕耘切替溝8
は上下反対側にして設けるもよく、又左右方向に位置す
べく溝方向を上下に沿わせる形態とするもよい。この場
合、耕耘操作溝10は左右方向に沿う状態となる。次に
作業速に適応する1速位置6の変速ギヤの抜外れを防止
するための作業速固定装置52について説明する。
The traveling speed change groove 7 and the plowing switching groove 8 are provided.
May be provided on opposite sides of the top and bottom, or the groove direction may be vertically aligned so as to be located in the left and right direction. In this case, the tilling operation groove 10 is in a state of being along the left-right direction. Next, the working speed fixing device 52 for preventing the shift gear of the first speed position 6 adapted to the working speed from coming off will be described.

【0009】ミッションケ−ス17の上側には、上記ア
−ム32、33上に亘るロックア−ム70を、これらの
ア−ム32、33位置の中間部のピン39回りに回動自
在に設ける。前記ア−ム33上におけるロックア−ム7
0部にはカム40を設け、ア−ム33の中立位置9への
伝動では、このロックア−ム70をばね41によってこ
のア−ム33側へ取付回動させる。これと共に、ア−ム
33の正回転位置15と逆回転位置16とでは、ばね4
1に抗してロックア−ム70を上側へ押上げる関係にあ
る。ロックア−ム70の他端には該ア−ム32と嵌合し
得る切欠部42を設け(図3参照)、この切欠部42を
ア−ム32に嵌合させることにより、ア−ム32の回動
を不能状態とする。この切欠部42によって嵌合固定さ
れるア−ム32の固定位置は、作業速に適応する1速位
置6に設定する。
On the upper side of the mission case 17, a lock arm 70 extending over the arms 32 and 33 is rotatably provided around a pin 39 at an intermediate portion between the positions of the arms 32 and 33. Set up. Lock arm 7 on the arm 33
A cam 40 is provided at the 0th portion, and when transmitting to the neutral position 9 of the arm 33, the lock arm 70 is attached and rotated by the spring 41 to the arm 33 side. At the same time, at the forward rotation position 15 and the reverse rotation position 16 of the arm 33, the spring 4
The lock arm 70 is pushed upward against the force of 1. The other end of the lock arm 70 is provided with a notch 42 which can be fitted with the arm 32 (see FIG. 3), and the notch 42 is fitted into the arm 32, whereby the arm 32 is fitted. The rotation of is disabled. The fixing position of the arm 32 fitted and fixed by the cutout portion 42 is set to the first speed position 6 which is adapted to the working speed.

【0010】変速レバ−2によって操作される回動ア−
ム27を、1速位置6に固定する走行操作固定装置44
について説明する。前記ブラケット25にピン26と平
行状に摺動自在のロックピン45を設け、このロックピ
ン45を変速レバ−2の突子46でばね47に抗して押
圧する構成としている。このロックピン45の下端部に
対向して、走行変速を操作連動する回動ア−ム27の基
部のロック孔48を回動圏として設定している。変速レ
バ−2を耕耘操作溝10及び耕耘切替溝8に案内させる
とき、回動ア−ム27が1速位置6にある。ここでロッ
クピン45がロック孔48に嵌合され、この回動ア−ム
27が作業速である1速位置6から他の位置へ移動でき
ない構成とする。
Rotational gear operated by the shift lever-2
Travel operation fixing device 44 for fixing the gear 27 to the first speed position 6
Will be described. The bracket 25 is provided with a lock pin 45 slidable in parallel with the pin 26, and the lock pin 45 is pressed against the spring 47 by the protrusion 46 of the shift lever-2. A lock hole 48 at the base portion of the rotating arm 27 for operating and interlocking the traveling speed change is set as a rotation area facing the lower end portion of the lock pin 45. When the shift lever-2 is guided to the tilling operation groove 10 and the tilling switching groove 8, the rotating arm 27 is at the first speed position 6. Here, the lock pin 45 is fitted into the lock hole 48 so that the rotating arm 27 cannot move from the first speed position 6 which is the working speed to another position.

【0011】車体1の前部上に搭載する原動機53と、
ミッションケ−ス17の入力軸54との間を、クラッチ
によって入切伝動できるベルト伝動構成としている。こ
の入力軸54からギヤ伝動されるクラッチ軸55には、
前記シフタア−ム23によるシフタ−64によって操作
される走行変速ギヤ51を軸方向に摺動自在に設けてい
る。
A prime mover 53 mounted on the front of the vehicle body 1;
The transmission case 17 and the input shaft 54 have a belt transmission structure which can be engaged and disengaged by a clutch. The clutch shaft 55 geared from the input shaft 54 is
A traveling transmission gear 51 operated by a shifter 64 by the shifter arm 23 is provided slidably in the axial direction.

【0012】該クラッチ軸55の回りには、中間軸5
6、57及び走行伝動軸58を配設する。このクラッチ
軸55上の走行変速ギヤ51を軸方向へ操作することに
より、中央位置では中間軸56の1速ギヤ59と噛合し
て、中間軸57を経て、該走行伝動軸58を比較的低速
に回転駆動すべく設けている。又、この変速ギヤ51を
この1速位置6の一側部へ移動操作した位置では、走行
伝動軸58の変速走行ギヤ60と噛合してこの走行伝動
軸58を比較的高速の路上走行速に適応した2速で回転
伝動しうる関係に設けている。
Around the clutch shaft 55, the intermediate shaft 5
6, 57 and a traveling transmission shaft 58 are arranged. By operating the traveling transmission gear 51 on the clutch shaft 55 in the axial direction, it meshes with the first speed gear 59 of the intermediate shaft 56 at the center position, and the traveling transmission shaft 58 passes through the intermediate shaft 57 at a relatively low speed. It is provided to be driven to rotate. Further, at a position where the speed change gear 51 is operated to move to one side of the first speed position 6, the speed change gear 60 meshes with the speed change running gear 60 of the speed drive transmission shaft 58 to bring the speed drive transmission shaft 58 to a relatively high road speed. It is provided in such a relationship that it can transmit rotation at the adapted second speed.

【0013】又、1速位置6の他側部へ移動操作した位
置では、該変速ギヤ51は、中間軸57のギヤ61と噛
合して走行伝動軸58を逆回転させて後進方向へ走行伝
動する構成である。この走行伝動軸58と車軸20との
間にはチェン伝動すべく構成している。耕耘伝動軸62
の耕耘切替ギヤ63が中間軸56のギヤ59と、中間軸
57のギヤ61とから切替えて正逆回転すべく伝動構成
している。
At the position where the first speed position 6 is moved to the other side, the speed change gear 51 meshes with the gear 61 of the intermediate shaft 57 to rotate the traveling transmission shaft 58 in the reverse direction to transmit the traveling transmission in the reverse direction. This is the configuration. A chain is transmitted between the traveling transmission shaft 58 and the axle 20. Tillage transmission shaft 62
The cultivating switching gear 63 is configured to be transmitted between the gear 59 of the intermediate shaft 56 and the gear 61 of the intermediate shaft 57 to rotate forward and backward.

【0014】耕耘切替ギヤ63がギヤ59と噛合すると
き、耕耘軸22は逆回転状態となり、土壌面を下側から
上側へ向けて切り上げるように耕耘する。又、耕耘切替
ギヤ63がギヤ61と噛合するとき、耕耘軸22は正回
転する。耕耘伝動軸62には、耕耘切替ギヤ63を軸方
向へ摺動自在に設ける。切替ギヤ63は、前記シフタア
−ム24によるシフタ−65によって操作される。この
耕耘伝動軸62上には、耕耘クラッチ66を設けて、耕
耘爪21を配設した耕耘軸22をチェン伝動すべく構成
している。
When the tilling switching gear 63 meshes with the gear 59, the tilling shaft 22 is in a reverse rotation state, so that the soil surface is cultivated so as to be rounded up from the lower side to the upper side. When the tilling switching gear 63 meshes with the gear 61, the tilling shaft 22 rotates forward. The tilling transmission shaft 62 is provided with a tilling switching gear 63 slidably in the axial direction. The switching gear 63 is operated by the shifter 65 of the shifter arm 24. A cultivating clutch 66 is provided on the cultivating power transmission shaft 62 so that the cultivating shaft 22 having the cultivating claw 21 can be chain-transmitted.

【0015】変速レバ−2を走行変速行程3において操
作する場合は、走行変速溝7に沿ってのみ左右方向へ移
動させればよい。変速レバ−2が1速位置6にあるとき
は、回動ア−ム27の切欠29と係合している。ロック
ピン45はばね47によって押上げられた位置にあっ
て、回動ア−ム27のロック孔48から外れている。
又、耕耘切替ギヤ63は中立位置にあって、ア−ム33
はロックア−ム38のカム40との関係により、切欠部
42がア−ム32側から離脱されている。
When the shift lever-2 is operated in the traveling shift stroke 3, it may be moved in the left-right direction only along the traveling shift groove 7. When the shift lever-2 is in the 1st speed position 6, it engages with the notch 29 of the rotary arm 27. The lock pin 45 is in a position pushed up by the spring 47 and is out of the lock hole 48 of the rotating arm 27.
Further, the tilling switching gear 63 is at the neutral position, and the arm 33
Due to the relationship between the lock arm 38 and the cam 40, the notch 42 is separated from the arm 32 side.

【0016】シフタ−64によって操作された走行変速
ギヤ51が、中間軸56上の1速ギヤ59と噛合され
て、車軸20を耕耘作業に適した速度で回転伝動する。
このような作業に適した1速位置6から走行速を路上走
行に適した高速の走行速位置、すなわち2速位置12に
変速するときは、途中で中立位置11において、走行変
速ギヤ51が1速ギヤ59から外れた状態となって非伝
動状態となる。変速レバ−2が2速位置12に操作され
ると、走行変速ギヤ51が変速走行ギヤ60と噛合して
高速で車軸20を伝動する。
The traveling speed change gear 51 operated by the shifter 64 meshes with the first speed gear 59 on the intermediate shaft 56 to rotate and transmit the axle shaft 20 at a speed suitable for tilling work.
When shifting the traveling speed from the 1st speed position 6 suitable for such work to the high speed traveling speed position suitable for road traveling, that is, the 2nd speed position 12, the traveling speed change gear 51 shifts to the 1 position at the neutral position 11 on the way. The gear is disengaged from the high speed gear 59 and is in the non-transmission state. When the shift lever-2 is operated to the second gear position 12, the traveling transmission gear 51 meshes with the shifting traveling gear 60 to transmit the axle 20 at high speed.

【0017】又、後進走行するには、変速レバ−2を中
立位置13を越えて後進位置14に操作する。変速ギヤ
51は、中立位置13では1速ギヤ59から外れ、後進
位置14では後進ギヤ61と噛合している。耕耘装置4
による耕耘を行なうときは、変速レバ−2は1速位置6
から耕耘切替行程5へ操作されるために、走行速度は比
較的低速状態に保たれる。
In order to travel backward, the shift lever-2 is operated beyond the neutral position 13 to the reverse position 14. The transmission gear 51 disengages from the first speed gear 59 at the neutral position 13 and meshes with the reverse gear 61 at the reverse position 14. Tiller 4
When cultivating with, shift lever-2 is in 1st gear position 6
Since the operation is performed from the to the tillage switching process 5, the traveling speed is kept relatively low.

【0018】変速レバ−2を1速位置から耕耘操作溝1
0へ操作して中立位置9へ位置させる。このとき変速レ
バ−2は回動ア−ム27の切欠29から外れて、耕耘操
作連動機構50の回動ア−ム28の切欠30に係合す
る。この変速レバ−2によってロックピン45が押下げ
られて該回動ア−ム27のロックピン48に係合して、
この回動ア−ム27を該1速位置6に固定する。この中
立位置の状態では前記ロックア−ム70は走行変速側の
ア−ム32から離脱した位置にある。
Move the shift lever-2 from the first speed position to the tilling groove 1.
Operate to 0 and position to neutral position 9. At this time, the shift lever-2 is disengaged from the notch 29 of the rotary arm 27 and engages with the notch 30 of the rotary arm 28 of the tilling operation interlocking mechanism 50. The lock pin 45 is pushed down by the shift lever-2 and engages with the lock pin 48 of the rotating arm 27,
The rotating arm 27 is fixed at the first speed position 6. In this state of the neutral position, the lock arm 70 is in a position separated from the arm 32 on the traveling speed change side.

【0019】変速レバ−2を耕耘切替溝8の正回転位置
15に操作すると、耕耘操作連動機構50、及びシフタ
−65を経て、耕耘切替ギヤ63がギヤ61と噛合され
て、耕耘軸22を正回転させる。耕耘軸22の正回転時
は耕耘爪21による耕土は比較的荒起状態となる。この
ような正回転位置15にあるとき、ア−ム33によるカ
ム40部は押上げられて、ロックア−ム70は切欠部4
2を他側のア−ム32に係合させて、このア−ム32の
軸36回りの回動を止めて走行変速ギヤ51を1速ギヤ
59との噛合から離脱させない。
When the shifting lever-2 is operated to the normal rotation position 15 of the tilling switching groove 8, the tilling switching gear 63 is meshed with the gear 61 via the tilling operation interlocking mechanism 50 and the shifter 65, and the tiller shaft 22 is moved. Rotate forward. When the tilling shaft 22 rotates forward, the cultivated soil by the tilling claw 21 is in a relatively rough state. When in the forward rotation position 15 as described above, the cam 40 is pushed up by the arm 33, and the lock arm 70 is cut out by the notch 4.
The second gear 2 is engaged with the arm 32 on the other side to stop the rotation of the arm 32 around the shaft 36 so that the traveling transmission gear 51 is not disengaged from the mesh with the first speed gear 59.

【0020】又、変速レバ−2を逆回転位置16へ操作
するときは、途中の中立位置9において耕耘軸22への
伝動を一旦切りにしたのち、耕耘切替ギヤ63をギヤ5
9に噛合させて耕耘軸22を逆回転させる。耕耘爪21
の逆回転によって耕土は細かく砕土される。このときの
前記ロックア−ム70は切欠部42をア−ム32に係合
させて上記走行変速ギヤ51の噛合離脱を防止する。
When the shift lever-2 is operated to the reverse rotation position 16, the transmission to the tiller shaft 22 is temporarily cut off at the neutral position 9 on the way, and then the tiller switching gear 63 is moved to the gear 5.
9 is engaged and the tiller shaft 22 is reversely rotated. Plowing claw 21
By the reverse rotation of, the cultivated soil is finely crushed. At this time, the lock arm 70 engages the notch 42 with the arm 32 to prevent the traveling transmission gear 51 from being disengaged.

【0021】[0021]

【発明の効果】この発明は前記の如く、側面視がヘ字状
に一体構成されたミッションケ−ス内に走行系のギヤ群
とロ−タリ−系のギヤ群を収容し、これらのギヤ群を耕
耘機の車軸上方に配置した耕耘機のミッション構造であ
るから、従来のように走行系及びロ−タリ−系のギヤ群
を収容するための2つのケ−スを必要とせず、部品点数
を減少させることが可能となって廉価に構成できる。
As described above, according to the present invention, a traveling case gear group and a rotary group gear group are housed in a transmission case integrally formed in a V-shaped side view, and these gears are accommodated. Since the group has a mission structure of a cultivator arranged above the axle of the cultivator, it does not require two cases for accommodating a traveling system group and a rotary group gear group as in the conventional case, and a component The number of points can be reduced and the cost can be reduced.

【0022】しかも、車軸の上方に大部分のギヤ群が位
置するからミッションケ−スの重量を車軸を介して左右
の車輪で良好に支持でき、バランスの良い耕耘機を構成
できるので、走行安定性が増すと共にハンドル操作も軽
快に行なえる。
Moreover, since most of the gear groups are located above the axle, the weight of the mission case can be favorably supported by the left and right wheels via the axle, and a well-balanced cultivator can be constructed, so that traveling stability is ensured. The handle is easy to operate as well as being more flexible.

【図面の簡単な説明】[Brief description of drawings]

【図1】要部の拡大斜視図である。FIG. 1 is an enlarged perspective view of a main part.

【図2】要部の拡大側断面図である。FIG. 2 is an enlarged side sectional view of a main part.

【図3】要部の拡大側断面図である。FIG. 3 is an enlarged side sectional view of a main part.

【図4】要部の平面図である。FIG. 4 is a plan view of a main part.

【図5】伝動機構の側面図である。FIG. 5 is a side view of a transmission mechanism.

【図6】動力伝達線図である。FIG. 6 is a power transmission diagram.

【図7】耕耘機の概略の側面図である。FIG. 7 is a schematic side view of a cultivator.

【符号の説明】[Explanation of symbols]

1 車体 2 変速レバ− 3 走行変速行程 4 耕耘装置 5 耕耘切替行程 6 1速位置 7 走行変速溝 8 耕耘切替溝 10 耕耘操作溝 12 2速位置 14 後進位置 15 正回転位置 16 逆回転位置 17 ミッションケ−ス 27 回動ア−ム 44 走行操作固定装置 49 走行操作連動機構 51 走行変速ギヤ 52 作業速固定装置 1 vehicle body 2 speed change lever 3 traveling speed change process 4 tilling device 5 tillage switching process 6 1st speed position 7 traveling speed change groove 8 tilling switching groove 10 tilling operation groove 12 2nd speed position 14 reverse position 15 forward rotation position 16 reverse rotation position 17 mission Case 27 Rotating arm 44 Traveling operation fixing device 49 Traveling operation interlocking mechanism 51 Travel speed change gear 52 Working speed fixing device

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】側面視がヘ字状に一体構成されたミッショ
ンケ−ス内に走行系のギヤ群とロ−タリ−系のギヤ群を
収容し、これらのギヤ群を耕耘機の車軸上方に配置した
ことを特徴とする耕耘機のミッション構造。
A transmission case gear group and a rotary system gear group are housed in a transmission case integrally formed in a V-shape when viewed from the side, and these gear groups are located above the axle of the cultivator. The structure of the tiller's mission is characterized by being placed in
JP5227671A 1993-09-14 1993-09-14 Tiller's mission structure Expired - Lifetime JP2878565B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5227671A JP2878565B2 (en) 1993-09-14 1993-09-14 Tiller's mission structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5227671A JP2878565B2 (en) 1993-09-14 1993-09-14 Tiller's mission structure

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP61033155A Division JP2658016B2 (en) 1986-02-17 1986-02-17 Transmission operating device for cultivator

Publications (2)

Publication Number Publication Date
JPH07231701A true JPH07231701A (en) 1995-09-05
JP2878565B2 JP2878565B2 (en) 1999-04-05

Family

ID=16864509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5227671A Expired - Lifetime JP2878565B2 (en) 1993-09-14 1993-09-14 Tiller's mission structure

Country Status (1)

Country Link
JP (1) JP2878565B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662005U (en) * 1979-10-18 1981-05-26
JPS5963257U (en) * 1982-10-20 1984-04-25 株式会社クボタ Walking type work machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662005U (en) * 1979-10-18 1981-05-26
JPS5963257U (en) * 1982-10-20 1984-04-25 株式会社クボタ Walking type work machine

Also Published As

Publication number Publication date
JP2878565B2 (en) 1999-04-05

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