JP2604930Y2 - Moving agricultural machine - Google Patents

Moving agricultural machine

Info

Publication number
JP2604930Y2
JP2604930Y2 JP1993042637U JP4263793U JP2604930Y2 JP 2604930 Y2 JP2604930 Y2 JP 2604930Y2 JP 1993042637 U JP1993042637 U JP 1993042637U JP 4263793 U JP4263793 U JP 4263793U JP 2604930 Y2 JP2604930 Y2 JP 2604930Y2
Authority
JP
Japan
Prior art keywords
shaft
shaft coupling
spline
transmission
hole
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 - Fee Related
Application number
JP1993042637U
Other languages
Japanese (ja)
Other versions
JPH078631U (en
Inventor
岡 秀 樹 松
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.)
Yanma Agricultural Equipment Co Ltd
Original Assignee
Yanma Agricultural Equipment 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
Application filed by Yanma Agricultural Equipment Co Ltd filed Critical Yanma Agricultural Equipment Co Ltd
Priority to JP1993042637U priority Critical patent/JP2604930Y2/en
Publication of JPH078631U publication Critical patent/JPH078631U/en
Application granted granted Critical
Publication of JP2604930Y2 publication Critical patent/JP2604930Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】本考案は苗載台及び植付爪を備え
て連続的に苗植作業を行う田植機などの移動農機に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile agricultural machine such as a rice transplanter for continuously planting seedlings with a seedling mounting table and planting claws.

【0002】[0002]

【従来の技術】従来、実開昭61−181155号公報
に示す如く、エンジン出力を伝達する伝達軸のスプライ
ン軸と、ミッションケースの入力軸のスプライン軸を、
突き合せ状に軸継手によって連結させる技術がある
2. Description of the Related Art Conventionally, Japanese Unexamined Utility Model Publication No. 61-181155 has been disclosed.
As shown in the figure, the splice of the transmission shaft for transmitting the engine output
Shaft and the spline shaft of the input shaft of the transmission case,
There is a technique of connecting by a shaft coupling in a butt shape .

【0003】[0003]

【考案が解決しようとする課題】前記従来技術は、ミッ
ションケースの内部に軸継手を設けるから、軸継手の軸
孔をスプライン軸の突き合せ部で外周面に開口させるこ
とにより、ミッションケ ース内部の油が軸継手の軸孔に
充分供給されてスプライン軸の摩耗を防げるが、伝達軸
と入力軸の両方をミッションケースに軸受ベアリングに
よって軸支させる必要があり、伝達軸の取付け構造及び
取付け位置が著しく制限される不具合がある。そこで、
ミッションケースから入力軸を外側に突出させ、伝達軸
と入力軸をミッションケースの外側で軸継手によって連
結させると、伝達軸の取付け構造及び着脱作業の簡略化
を容易に行えるが、ミッションケース外側の軸継手に
は、農作業によって多量の泥水が付着し易く、スプライ
ン軸が摩耗し易い不具合がある。また、実開平4−10
1026号公報に示す如く、外周面が円形で内周面がス
プライン形の弾性シール材を設け、軸継手のシール挿入
孔に弾性シール材を挿入させ、前記スプライン軸外周に
弾性シール材を嵌着させる技術がある。しかし乍ら、弾
性シール材を取付けた後にスプライン軸を軸継手に挿入
させる必要があるから、軸継手の軸孔の弾性シール材取
付け位置よりも内方側に油溝を形成し、高い粘性のグリ
ス等の油を油溝に注入させる面倒な作業を行う必要があ
り、軸継手の軸孔構造並びに組立作業の簡略化を容易に
図り得ないと共に、弾性シール材よりも外側の軸継手の
軸孔とスプライン軸間にはグリス等の油が供給されない
から、伝達軸と入力軸の偏心によって軸継手の軸孔開口
縁と該部のスプライン軸が摩耗損傷する等の問題があ
The prior art described above is a
Since the shaft coupling is provided inside the case, the shaft
Open the hole on the outer peripheral surface at the joint of the spline shaft.
And the oil inside the mission to case within the axial hole of the shaft coupling
Sufficiently supplied to prevent spline shaft wear, but the transmission shaft
And the input shaft both in the transmission case and bearing
Therefore, it is necessary to support the shaft,
There is a problem that the mounting position is significantly restricted. Therefore,
Extend the input shaft from the transmission case to the transmission shaft
And the input shaft are connected by a shaft coupling outside the transmission case.
Simplifies the mounting structure of the transmission shaft and the attachment / detachment work
Can be easily performed, but the shaft coupling outside the transmission case
Large amounts of muddy water tend to adhere to
There is a problem that the shaft is easily worn. In addition, actual opening flat 4-10
No. 1026, the outer peripheral surface is circular and the inner peripheral surface is smooth.
Equipped with a plumbing type elastic seal material, and inserts the seal of the shaft coupling
Insert the elastic sealing material into the hole,
There is a technique for fitting an elastic sealing material. However, ammunition
Spline shaft is inserted into the shaft coupling after attaching the volatile sealing material
To remove the elastic sealing material from the shaft hole of the shaft coupling.
An oil groove is formed on the inner side of the
It is necessary to perform troublesome work to inject oil such as oil into the oil groove.
The shaft hole structure of the shaft coupling and simplification of the assembly work.
It cannot be achieved, and the shaft coupling outside the elastic seal material
Oil such as grease is not supplied between the shaft hole and the spline shaft
From the shaft hole of the shaft coupling by the eccentricity of the transmission shaft and the input shaft.
There are problems such as wear and damage of the rim and the spline shaft at this part.
You .

【0004】[0004]

【課題を解決するための手段】然るに、本考案は、エン
ジン出力を伝達する伝達軸のスプライン軸と、ミッショ
ンケースの入力軸のスプライン軸を、ミッションケース
の外側で突き合せ状に軸継手によって連結させると共
に、外周面が円形で内周面がスプライン形の弾性シール
材を設け、軸継手のシール挿入孔に弾性シール材を挿入
させ、前記スプライン軸外周に弾性シール材を嵌着させ
る移動農機において、前記軸継手の軸孔開口縁に前記シ
ール挿入孔を形成し、軸継手側端面及び弾性シール材の
外側面に対設させる座金をスプライン軸外周に嵌着さ
せ、またスプライン軸の止め輪溝に止め輪を係止させ、
軸継手側端面と止め輪の間に前記座金を挾持させたもの
で、前記軸継手の軸孔開口縁と座金の間に弾性シール材
が取付けられ、かつ座金と軸継手側端面の当接によって
スプライン軸の挿入が制限されるから、軸継手の軸孔に
注入させた高粘性グリス等の潤滑油がスプライン軸のピ
ストン作用によって突き合せ部に圧入され、軸継手の軸
孔に挿入されたスプライン軸外周全域に潤滑油が充分に
供給され、泥水の侵入または油切れによって軸継手軸孔
開口縁またはスプライン軸が摩耗損傷するのを容易に防
止し得、また従来のように軸継手の軸孔内部に油溝を設
ける必要がなく、軸継手構造の簡略化及び加工コスト低
減並びに組立作業の簡略化などを容易に図り得ると共
に、伝達軸または入力軸と軸継手が偏心して軸方向に摺
動しても、農作業中に泥水が付着するのを防止しかつ潤
滑油を充分に保持させ、軸継手の軸孔開口縁と該部のス
プライン軸の摩耗損傷を容易に低減し得るものである
In order to solve the problems] However, the present invention is, ene
The spline shaft of the transmission shaft that transmits the gin output
Connect the spline shaft of the input shaft of the transmission case to the transmission case.
When jointed by a shaft coupling outside the
, The outer circumference is circular and the inner circumference is a spline-shaped elastic seal
Material, and insert the elastic seal material into the seal insertion hole of the shaft coupling
And an elastic sealing material is fitted around the outer periphery of the spline shaft.
In the moving agricultural machine, the seal is provided at an opening edge of the shaft hole of the shaft coupling.
The shaft joint side end surface and the elastic sealing material.
A washer to be attached to the outer surface is fitted around the spline shaft.
The retaining ring in the retaining ring groove of the spline shaft,
With the washer clamped between the end face of the shaft coupling and the retaining ring
An elastic sealing material is provided between the opening edge of the shaft hole of the shaft coupling and the washer.
Is mounted, and the washer and the end face on the shaft coupling side
Because insertion of spline shaft is restricted,
Lubricating oil such as high-viscosity grease injected into the spline shaft
It is pressed into the butted part by the stone action, and the shaft of the shaft coupling is
Sufficient lubricating oil over the entire circumference of the spline shaft inserted into the hole
Supplied by muddy water or running out of oil
Easily prevents wear damage to open edges or spline shafts
Oil grooves inside the shaft hole of the shaft coupling as before.
Simplification of shaft coupling structure and low processing cost
Reduction and simplification of assembly work, etc.
When the transmission shaft or input shaft and the shaft coupling are eccentric,
Prevent muddy water from adhering during farming
Allow the lubricating oil to be sufficiently retained, and open the shaft opening
It is possible to easily reduce wear damage of the plumb shaft .

【0005】[0005]

【実施例】以下、本考案の実施例を図面に基づいて詳述
する。図1は軸継手の断面説明図、図2は乗用田植機の
側面図、図3は同平面図を示し、図中(1)は作業者が
搭乗する走行車であり、エンジン(2)を車体フレーム
(3)に搭載させ、ミッションケース(4)前方にフロ
ントアクスルケース(5)を介して水田走行用前輪
(6)を支持させると共に、前記ミッションケース
(4)の後部にリヤアクスルケース(7)を連設し、前
記リヤアクスルケース(7)に水田走行用後輪(8)を
支持させる。そして前記エンジン(2)等を覆うボンネ
ット(9)両側に予備苗載台(10)を取付けると共
に、ステップ(11)を介して作業者が搭乗する車体カ
バー(12)によって前記ミッションケース(4)等を
覆い、前記車体カバー(12)上部に運転席(13)を
取付け、その運転席(13)の前方で前記ボンネット
(9)後部に操向ハンドル(14)を設ける。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory cross-sectional view of a shaft coupling, FIG. 2 is a side view of a riding rice transplanter, and FIG. 3 is a plan view of the same, wherein (1) denotes a traveling vehicle on which an operator rides, and an engine (2) is used. The vehicle is mounted on a body frame (3), a front paddle traveling front wheel (6) is supported via a front axle case (5) in front of a transmission case (4), and a rear axle case (7) The rear axle case (7) supports a paddy field traveling rear wheel (8). A spare seedling mount (10) is mounted on both sides of the hood (9) covering the engine (2) and the like, and the transmission case (4) is mounted by a body cover (12) on which an operator rides through a step (11). A driver's seat (13) is mounted above the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13) and behind the hood (9).

【0006】また、図中(15)は6条植え用の苗載台
(16)並びに複数の植付爪(17)などを具備する植
付部であり、前高後低の合成樹脂製の前傾式苗載台(1
6)を下部レール(18)及びガイドレール(19)を
介して植付ケース(20)に左右往復摺動自在に支持さ
せると共に、一方向に等速回転させるロータリケース
(21)を前記植付ケース(20)に支持させ、該ケー
ス(21)の回転軸芯を中心に対称位置に一対の爪ケー
ス(22)(22)を配設し、その爪ケース(22)
(22)先端に植付爪(17)(17)を取付ける。ま
た前記植付ケース(20)の前側にローリング支点軸
(23)を介して支持フレーム(24)を設け、トップ
リンク(25)及びロワーリンク(26)を含む昇降リ
ンク機構(27)を介して走行車(1)後側に支持フレ
ーム(24)を連結させ、前記リンク機構(27)を介
して植付部(15)を昇降させる昇降シリンダ(28)
をロワーリンク(26)に連結させ、前記前後輪(6)
(8)を走行駆動して移動すると同時に、左右に往復摺
動させる苗載台(16)から一株分の苗を植付爪(1
7)によって取出し、連続的に苗植え作業を行うように
構成する。
[0006] In the figure, reference numeral (15) denotes a planting portion provided with a seedling mounting table (16) for six-row planting and a plurality of planting claws (17). Forward tilting seedling platform (1
6) is supported on a planting case (20) via a lower rail (18) and a guide rail (19) so as to be reciprocally slidable right and left, and a rotary case (21) is rotated at a constant speed in one direction. A pair of claw cases (22) and (22) are supported at the case (20) and symmetrically positioned around the rotation axis of the case (21), and the claw case (22) is provided.
(22) Attach the planting claws (17) and (17) to the tip. In addition, a support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and via a lifting link mechanism (27) including a top link (25) and a lower link (26). A lifting cylinder (28) that connects a support frame (24) to the rear side of the traveling vehicle (1) and raises and lowers the planting section (15) via the link mechanism (27).
To the lower link (26), and the front and rear wheels (6)
(8) is driven to move and at the same time, a seedling for one plant is planted from the seedling mounting table (16) which is reciprocally slid left and right.
7), the seedlings are continuously planted.

【0007】また、図中(29)は主変速レバー、(3
0)は植付昇降兼作業走行変速用副変速レバー、(3
1)は植付け感度調節レバー、(32)は主クラッチペ
ダル、(33)(33)は左右ブレーキペダル、(3
4)は2条分均平用センターフロート、(35)は2条
分均平用サイドフロート、(36)は側条施肥機であ
る。
[0007] In the figure, (29) is the main shift lever, (3)
0) is a sub-shift lever for planting elevating and working travel shifting, and (3)
1) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, (33) and (33) are left and right brake pedals, (3)
4) is a center float for two-row equalization, (35) is a side float for two-row equalization, and (36) is a side fertilizer.

【0008】さらに、図4乃至図5にも示す如く、エン
ジン(2)を左右一対の車体フレーム(3)(3)に載
置させ、操向ハンドル(14)のステアリング軸(3
7)を減速ケース(38)上面に立設させ、減速ケース
(38)前側に前記車体フレーム(3)後側を固定させ
ると共に、減速ケース(38)下側のステアリングケー
ス(39)下面に設ける平面視L形の操向アーム(4
0)の一端側を前輪(6)のナックルアーム(41)に
操向ロッド(42)を介して連結させる一方、油圧操向
シリンダ(43)を操向アーム(40)のL形他端側に
連結させて、機体の操向制御を行うように構成してい
る。
Further, as shown in FIGS. 4 and 5, the engine (2) is mounted on a pair of left and right body frames (3), (3), and the steering shaft (3) of the steering handle (14).
7) is erected on the upper surface of the deceleration case (38), the rear side of the vehicle body frame (3) is fixed to the front side of the deceleration case (38), and provided on the lower surface of the steering case (39) below the deceleration case (38). L-shaped steering arm (4)
0) is connected to the knuckle arm (41) of the front wheel (6) via the steering rod (42), and the hydraulic steering cylinder (43) is connected to the L-shaped other end of the steering arm (40). To control the steering of the fuselage.

【0009】また、前記各ケース(38)(39)後部
両側に左右一対のメインフレーム(44)(44)前端
を固定させ、ステアリングケース(39)後部に側面視
メインフレーム(44)と略平行なサブフレーム(4
5)前端を固定させ、各フレーム(44)(45)後端
部をリアアクスルケース(7)のブラケット(46)に
固定させ、該ケース(7)前部のミッションケース
(4)をメインフレーム(44)のブラケット(47)
に固定させ、各リンク(25)(26)を設ける門形支
柱(48)をメインフレーム(44)後部に立設させ、
該フレーム(44)前部と支柱(48)間に左右一対の
上部フレーム(49)(49)を斜設させ、上部フレー
ム(49)中間部に昇降シリンダ(28)を取付けてい
る。
Further, a pair of left and right main frames (44) and (44) front ends are fixed to both sides of the rear part of each of the cases (38) and (39), and the rear part of the steering case (39) is substantially parallel to the main frame (44) in side view. Subframe (4
5) Fix the front end, fix the rear end of each frame (44) (45) to the bracket (46) of the rear axle case (7), and attach the transmission case (4) at the front of the case (7) to the main frame. Bracket (47) of (44)
, And a column-shaped support (48) provided with each link (25) (26) is erected at the rear of the main frame (44).
A pair of left and right upper frames (49) and (49) are inclined between the front part of the frame (44) and the support (48), and a lifting cylinder (28) is attached to the middle part of the upper frame (49).

【0010】またさらに、出入力プーリ(50)(5
1)及びベルト(52)を有するベルト無段変速機構
(53)を備え、エンジン(2)の出力軸(54)に減
速ケース(38)の入力軸(55)を前記無段変速機構
(53)を介して連結させると共に、前記減速ケース
(38)に伝達軸(56)を介してミッションケース
(4)を連結させ、前走行駆動軸(57)を介してミッ
ションケース(4)にフロントアクスルケース(5)を
連結させ、植付駆動軸(58)を介してミッションケー
ス(4)に植付ケース(20)を連結させるもので、無
段変速機構(53)及び減速ケース(38)を介してエ
ンジン(2)出力をミッションケース(4)に減速伝達
させると共に、ミッションケース(4)の主変速レバー
(29)による多段変速出力を前後輪(6)(8)に各
アクスルケース(5)(7)を介して伝達させるように
構成している。
Further, input / output pulleys (50) (5)
1) and a belt continuously variable transmission mechanism (53) having a belt (52), and the input shaft (55) of the reduction case (38) is connected to the output shaft (54) of the engine (2) by the continuously variable transmission mechanism (53). ) And a transmission case (4) to the reduction case (38) via a transmission shaft (56), and a front axle to the transmission case (4) via a forward drive shaft (57). The case (5) is connected, and the planting case (20) is connected to the transmission case (4) via the planting drive shaft (58). The continuously variable transmission mechanism (53) and the reduction case (38) are connected. The output of the engine (2) is transmitted to the transmission case (4) via the transmission, and the multi-speed transmission output by the main transmission lever (29) of the transmission case (4) is transmitted to the front and rear wheels (6) and (8) by the respective axle cases (5). ) ( ) Is configured to transmit via the.

【0011】なお(59)は前記無段変速機構(53)
を変速リンク機構(60)を介し変速操作する電動形変
速シリンダである。
Incidentally, (59) is the continuously variable transmission mechanism (53).
Is an electric transmission cylinder that performs a speed change operation via a speed change link mechanism (60).

【0012】図5乃至図8にも示す如く、前記ミッショ
ンケース(4)は、伝達軸(61)に軸継手(62)を
介し突き合せ状に連結接続させるミッション入力軸(6
3)と、該入力軸(63)の第1速(F1)及び第2速
(F2)固定ギヤ(64)(65)に一対の第2速(F
2)用切換ギヤ(66)及び第1速(F1)・後進
(R)用切換ギヤ(67)を噛合せる走行変速軸(6
8)と、該変速軸(68)に一対の減速ギヤ(69)
(70)を介して連動連結してリアアクスルケース
(7)及び前走行駆動軸(57)に出力を伝達する走行
出力軸(71)と、前記入力軸(63)に固設する主株
間変速用の高速・中速・低速ギヤ(72)(73)(7
4)に高速・走行後進(R)用遊転ギヤ(75)及び中
速・低速用切換ギヤ(76)を噛合せる株間変速軸(7
7)と、前記切換ギヤ(76)に設けて遊転ギヤ(7
5)のピン孔(75a)に一体的に係合連結させる高速
用クラッチピン(78)と、前記変速軸(77)に固設
する副株間変速用の高速・低速ギヤ(79)(80)に
一対の高速・低速用切換ギヤ(81)(82)を噛合せ
て植付駆動軸(58)に出力を伝達する植付出力軸(8
3)と、該出力軸(83)に介設する植付クラッチ(8
4)と、走行用シフター軸(85)に設けて前記切換ギ
ヤ(66)(67)を切換操作する走行用シフターフォ
ーク(86)と、摺動自在な主株間用シフター軸(8
7)に設けて前記切換ギヤ(76)を切換操作する主株
間用シフターフォーク(88)と、摺動自在な副株間用
シフター軸(89)に設けて前記切換ギヤ(81)(8
2)を切換操作する副株間用シフターフォーク(90)
と、前記植付クラッチ(84)を入切操作する植付クラ
ッチピン(91)とを備え、前記主変速レバー(29)
によってシフターフォーク(88)を操作して後進
(R)・第1速(F1)・第2速(F2)の変速を、ま
た運転席(13)下側の車体カバー(12)立上り面に
備える主・副株間変速レバー(92)(93)によって
各シフターフォーク(88)(90)を操作して低・中
・高速3段の主株間変速と、低・高速2段の副株間変速
を行うように構成している。
As shown in FIGS. 5 to 8, the transmission case (4) has a transmission input shaft (6) connected and connected to the transmission shaft (61) in a butt manner via a shaft coupling (62).
3) and a pair of second speeds (F) to the first speed (F1) and second speed (F2) fixed gears (64) (65) of the input shaft (63).
2) A traveling speed change shaft (6) that meshes with the switching gear (66) and the first speed (F1) / reverse (R) switching gear (67).
8) and a pair of reduction gears (69) on the transmission shaft (68).
A traveling output shaft (71) for transmitting output to the rear axle case (7) and the front traveling drive shaft (57) in an interlocking manner via (70), and a main stock shift fixed to the input shaft (63); , Medium and low speed gears (72) (73) (7
4) a high speed / reverse (R) idler gear (75) and a middle speed / low speed switching gear (76) meshed with the inter-shaft transmission shaft (7);
7) and an idler gear (7) provided on the switching gear (76).
5) a high-speed clutch pin (78) integrally engaged with and connected to the pin hole (75a); and a high-speed / low-speed gear (79) (80) fixed to the speed-change shaft (77) for inter-sub-line speed change. And a pair of high-speed / low-speed switching gears (81) and (82) mesh with each other to transmit output to a planting drive shaft (58).
3) and a planting clutch (8) interposed on the output shaft (83).
4) a traveling shifter fork (86) provided on the traveling shifter shaft (85) for switching the switching gears (66) and (67); and a slidable inter-main stock shifter shaft (8).
7) a shifter fork (88) for switching the switching gear (76) for switching the switching gear (76), and the switching gears (81) and (8) provided on a slidable shifter shaft (89) for the auxiliary strain.
2) Shifter fork for inter-strain switching operation (90)
And a planting clutch pin (91) for engaging and disengaging the planting clutch (84), and the main shift lever (29).
The shifter fork (88) is operated to provide reverse (R), first speed (F1), and second speed (F2) shifts, and a vehicle body cover (12) under the driver's seat (13) on the rising surface. The shifter forks (88) (90) are operated by the main / sub-shift levers (92) (93) to perform low-, medium-, and high-speed three-speed inter-stock transmission and low-, high-speed two-speed sub-stock shift. It is configured as follows.

【0013】また、主株間用シフター軸(87)は、非
操作側の軸端を支持するミッションケース(4)の軸孔
(94)を外側に開設させて通し孔に形成して加工工数
の低減化を図ると共に、該軸孔(94)の外側開放端を
盲蓋(95)で密封するように設けている。そしてシフ
ター軸(87)のディテント用ノッチ(96)に係合さ
せるボール(97)を、軸孔(94)に直交状に連通さ
せるボール挿入孔(98)に圧縮バネ(99)及びボル
ト(100)を介して圧封入させるように構成してい
る。
The shifter shaft for the main stock (87) has a shaft hole (94) of the transmission case (4) for supporting the shaft end on the non-operating side formed outside and is formed in a through hole to reduce the number of processing steps. It is provided so as to reduce the size and to seal the outer open end of the shaft hole (94) with a blind lid (95). Then, a ball (97) to be engaged with the detent notch (96) of the shifter shaft (87) is inserted into a ball insertion hole (98) communicating with the shaft hole (94) at right angles to the compression spring (99) and the bolt (100). ).

【0014】さらに前記伝達軸(61)のスプライン軸
(61a)と入力軸(63)のスプライン軸(63a)
とを連結接続する軸継手(62)の両端内径側に円形状
のシール挿入孔(101)を形成し、図9乃至図10に
示す如き内径側に各スプライン軸(61a)(63a)
に嵌合する内歯(102)を有するゴム製など弾性材か
らなるシール部材(103)の外周嵌合面(103a)
を挿入孔(101)に挿入して、軸継手(62)内側の
密封を図るもので、各スプライン軸(61a)(63
a)には止め輪(104)を介入させる止め輪溝(10
5)を形成し、軸継手(62)と止め輪(104)間に
座金(106)を介設させて、前記伝達軸(61)と入
力軸(63)とを止め輪(104)・座金(106)・
軸継手(62)を介し一体連結させるように構成してい
る。
Further, a spline shaft (61a) of the transmission shaft (61) and a spline shaft (63a) of the input shaft (63).
A circular seal insertion hole (101) is formed on the inner diameter side of both ends of the shaft coupling (62) for connecting and connecting the spline shafts (61a) (63a) on the inner diameter side as shown in FIGS.
Outer peripheral fitting surface (103a) of a sealing member (103) made of an elastic material such as rubber having internal teeth (102) fitted to
Is inserted into the insertion hole (101) to seal the inside of the shaft coupling (62), and each spline shaft (61a) (63
a) has a retaining ring groove (10) for intervening a retaining ring (104).
5) is formed, and a washer (106) is interposed between the shaft coupling (62) and the retaining ring (104) to connect the transmission shaft (61) and the input shaft (63) with the retaining ring (104) and the washer. (106) ・
It is configured to be integrally connected via a shaft coupling (62).

【0015】上記から明らかなように、エンジン(2)
出力を伝達する伝達軸(61)のスプライン軸(61
a)と、ミッションケース(4)の入力軸(63)のス
プライン軸(63a)を、ミッションケース(4)の外
側で突き合せ状に軸継手(62)によって連結させると
共に、外周面が円形で内周面がスプライン形の弾性シー
ル材(103)を設け、軸継手(62)のシール挿入孔
(101)に弾性シール材(103)を挿入させ、前記
スプライン軸(61a)(63a)外周に弾性シール材
(103)を嵌着させる移動農機において、前記軸継手
(62)の軸孔開口縁に前記シール挿入孔(101)を
形成し、軸継手(62)側端面及び弾性シール材(10
3)の外側面に対設させる座金(106)をスプライン
軸(61a)(63a)外周に嵌着させ、またスプライ
ン軸(61a)(63a)の止め輪溝(105)に止め
輪(104)を係止させ、軸継手(62)側端面と止め
輪(104)の間に前記座金(106)を挾持させる。
そして、前記軸継手(62)の軸孔開口縁と座金(10
6)の間に弾性シール材(103)が取付けられ、かつ
座金(106)と軸継手(62)側端面の当接によって
スプライン軸(61a)(63a)の挿入が制限され、
軸継手(62)の軸孔に注入させた高粘性グリス等の潤
滑油がスプライン軸(61a)(63a)のピストン作
用によって突き合せ部に圧入され、軸継手(62)の軸
孔に挿入されたスプライン軸(61a)(63a)外周
全域に潤滑油が充分に供給され、泥水の侵入または油切
れによって軸継手(62)軸孔開口縁またはスプライン
軸(61a)(63a)が摩耗損傷するのを防止し、ま
た従来のように軸継手(62)の軸孔内部に油溝を設け
る必要がなく、軸継手(62)構造の簡略化及び加工コ
スト低減並びに組立作業の簡略化などを図ると共に、伝
達軸(61)または入力軸(63)と軸継手(62)が
偏心して軸方向に摺動しても、農作業中に泥水が付着す
るのを防止しかつ潤 滑油を充分に保持させ、軸継手(6
2)の軸孔開口縁と該部のスプライン軸(61a)(6
3a)の摩耗損傷を低減させる。
As apparent from the above, the engine (2)
The spline shaft (61) of the transmission shaft (61) for transmitting the output
a) and the input shaft (63) of the transmission case (4).
Pull the shaft (63a) out of the transmission case (4).
When they are connected by a shaft coupling (62)
In both cases, the outer circumference is circular and the inner circumference is a spline-shaped elastic seal.
And a seal insertion hole for the shaft coupling (62).
An elastic sealing material (103) is inserted into (101), and
Elastic sealing material on the outer periphery of the spline shaft (61a) (63a)
(103) In the mobile agricultural machine to which the shaft coupling is fitted,
The seal insertion hole (101) is provided at the opening edge of the shaft hole of (62).
The shaft joint (62) side end face and the elastic sealing material (10
3) Spline the washer (106) facing the outer surface
The shafts (61a) and (63a) are fitted around
Stops on retaining ring grooves (105) of shafts (61a) and (63a)
Lock the ring (104) and stop with the end face on the shaft coupling (62)
The washer (106) is clamped between the rings (104).
The opening edge of the shaft hole of the shaft coupling (62) and the washer (10
6) an elastic sealing material (103) is attached during
By contact between the washer (106) and the end face of the shaft coupling (62)
The insertion of the spline shafts (61a) (63a) is restricted,
Lubricant such as highly viscous grease injected into the shaft hole of the shaft coupling (62)
The lubricating oil is made by a spline shaft (61a) (63a) piston
Press-fit into the butt portion by using the shaft of the shaft coupling (62).
Outer circumference of spline shaft (61a) (63a) inserted in hole
Lubricating oil is sufficiently supplied to all areas, and muddy water enters or drains
The shaft joint (62) has a shaft hole opening edge or a spline.
It prevents the shafts (61a) and (63a) from being damaged by wear.
An oil groove is provided inside the shaft hole of the shaft coupling (62) as in the prior art.
It is not necessary to simplify the structure of the shaft coupling (62) and
Cost reduction and simplification of assembly work, etc.
The shaft (61) or input shaft (63) and the shaft coupling (62)
Even if it is eccentric and slides in the axial direction, muddy water adheres during agricultural work.
Sufficiently to hold the anti Jun Shikatsu Namerayu from that, the shaft coupling (6
2) Shaft hole opening edge and spline shaft (61a) (6
3a) The wear damage is reduced.

【0016】本実施例は上記の如く構成するものにし
て、前記シール部材(103)によって両端部を密封さ
れる軸継手(62)内に潤滑油を封入することによっ
て、伝達軸(61)と入力軸(63)間に芯ズレが発生
し、何れか一方の軸(61)或いは(63)に角度がつ
いて軸(61)或いは(63)と軸継手(61)内面と
が相対的に摺動する場合でも摩耗を最小に抑制できて、
良好な軸伝達を維持させることができる。
In this embodiment, the lubricating oil is sealed in a shaft coupling (62) whose both ends are sealed by the sealing member (103) as described above. A misalignment occurs between the input shafts (63), and one of the shafts (61) or (63) is angled so that the shaft (61) or (63) and the inner surface of the shaft coupling (61) slide relatively. Even when moving, wear can be minimized,
Good shaft transmission can be maintained.

【0017】[0017]

【考案の効果】以上実施例から明らかなように本考案
は、エンジン(2)出力を伝達する伝達軸(61)のス
プライン軸(61a)と、ミッションケース(4)の入
力軸(63)のスプライン軸(63a)を、ミッション
ケース(4)の外側で突き合せ状に軸継手(62)によ
って連結させると共に、外周面が円形で内周面がスプラ
イン形の弾性シール材(103)を設け、軸継手(6
2)のシール挿入孔(101)に弾性シール材(10
3)を挿入させ、前記スプライン軸(61a)(63
a)外周に弾性シール材(103)を嵌着させる移動農
機において、前記軸継手(62)の軸孔開口縁に前記シ
ール挿入孔(101)を形成し、軸継手(62)側端面
及び弾性シール材(103)の外側面に対設させる座金
(106)をスプライン軸(61a)(63a)外周に
嵌着させ、またスプライン軸(61a)(63a)の止
め輪溝(105)に止め輪(104)を係止させ、軸継
手(62)側端面と止め輪(104)の間に前記座金
(106)を挾持させたもので、前記軸継手(62)の
軸孔開口縁と座金(106)の間に弾性シール材(10
3)が取付けられ、かつ座金(106)と軸継手(6
2)側端面の当接によってスプライン軸(61a)(6
3a)の挿入が制限されるから、軸継手(62)の軸孔
に注入させた高粘性グリス等の潤滑油がスプライン軸
(61a)(63a)のピストン作用によって突き合せ
部に圧入され、軸継手(62)の軸孔に挿入されたスプ
ライン軸(61a)(63a)外周全域に潤滑油が充分
に供給され、泥水の侵入 または油切れによって軸継手
(62)軸孔開口縁またはスプライン軸(61a)(6
3a)が摩耗損傷するのを容易に防止でき、また従来の
ように軸継手(62)の軸孔内部に油溝を設ける必要が
なく、軸継手(62)構造の簡略化及び加工コスト低減
並びに組立作業の簡略化などを容易に図ることができる
と共に、伝達軸(61)または入力軸(63)と軸継手
(62)が偏心して軸方向に摺動しても、農作業中に泥
水が付着するのを防止しかつ潤滑油を充分に保持させ、
軸継手(62)の軸孔開口縁と該部のスプライン軸(6
1a)(63a)の摩耗損傷を容易に低減できるもので
ある
As is apparent from the above embodiment, the present invention provides a transmission shaft (61) for transmitting the output of the engine (2).
Insertion of the pipeline shaft (61a) and the transmission case (4)
The spline shaft (63a) of the force shaft (63) is
The shaft coupling (62) is butt-fitted outside the case (4).
The outer surface is circular and the inner surface is
An in-shaped elastic sealing material (103) is provided and the shaft coupling (6
2) Insert the elastic seal material (10) into the seal insertion hole (101).
3) and insert the spline shafts (61a) (63)
a) Mobile farming in which an elastic sealing material (103) is fitted on the outer periphery
In the machine, the seal is attached to the opening edge of the shaft hole of the shaft coupling (62).
A hole (101) is formed at the end of the shaft coupling (62).
And a washer to be opposed to the outer surface of the elastic sealing material (103)
(106) on the outer periphery of the spline shaft (61a) (63a)
Fit and stop the spline shaft (61a) (63a)
Lock the retaining ring (104) in the female ring groove (105)
The washer between the end surface of the hand (62) and the retaining ring (104).
(106) is clamped, and the shaft coupling (62)
An elastic sealing material (10) is provided between the opening edge of the shaft hole and the washer (106).
3) is attached, and the washer (106) and the shaft coupling (6)
2) The spline shaft (61a) (6
Since the insertion of 3a) is restricted, a shaft hole of the shaft coupling (62) is formed.
Lubricating oil such as high-viscosity grease injected into the spline shaft
(61a) Butt by piston action of (63a)
And press-fit into the shaft part and inserted into the shaft hole of the shaft coupling (62).
Sufficient lubricating oil over the entire circumference of the line shaft (61a) (63a)
Supplied by muddy water or running out of oil
(62) Opening edge of shaft hole or spline shaft (61a) (6)
3a) can be easily prevented from being damaged by abrasion.
It is necessary to provide an oil groove inside the shaft hole of the shaft coupling (62).
Simplification of shaft coupling (62) structure and reduction of processing cost
In addition, simplification of the assembling work, etc. can be easily achieved.
With the transmission shaft (61) or the input shaft (63) and the shaft coupling
Even if (62) is eccentric and slides in the axial direction, muddy
Prevent water from adhering and keep lubricating oil enough,
The opening edge of the shaft hole of the shaft coupling (62) and the spline shaft (6
1a) The wear damage of (63a) can be easily reduced.
There is .

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

【図1】軸継手の断面説明図。FIG. 1 is a sectional explanatory view of a shaft coupling.

【図2】乗用田植機の全体側面図。FIG. 2 is an overall side view of the riding rice transplanter.

【図3】乗用田植機の全体平面図。FIG. 3 is an overall plan view of the riding rice transplanter.

【図4】走行車体の側面図。FIG. 4 is a side view of the traveling vehicle body.

【図5】走行車体の平面図。FIG. 5 is a plan view of a traveling vehicle body.

【図6】ミッションケースの断面説明図。FIG. 6 is an explanatory sectional view of a transmission case.

【図7】ミッションケースの断面説明図。FIG. 7 is an explanatory sectional view of a transmission case.

【図8】主株間用シフター軸の説明図。FIG. 8 is an explanatory view of a shifter shaft for a main stock.

【図9】シール部材の説明図。FIG. 9 is an explanatory view of a seal member.

【図10】シール部材の側面説明図。FIG. 10 is an explanatory side view of the seal member.

【符号の説明】[Explanation of symbols]

(2) エンジン (4) ミッションケース (61) 伝達軸 (61a) スプライン軸 (62) 軸継手 (63) 入力軸 (63a) スプライン軸 (101) シール挿入孔 (103) シール部材 (104) 止め輪 (105) 止め輪溝 (106) 座金 (2) Engine (4) Transmission case (61) Transmission shaft (61a) Spline shaft (62) Shaft coupling (63) Input shaft (63a) Spline shaft (101) Seal insertion hole (103) Seal member (104) Retaining ring (105) Retaining ring groove (106) Washer

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) F16D 1/02 B60K 17/00 - 17/08 F16H 57/00 - 57/12 F02B 61/00 - 61/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) F16D 1/02 B60K 17/00-17/08 F16H 57/00-57/12 F02B 61/00-61 / 06

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 エンジン(2)出力を伝達する伝達軸
(61)のスプライン軸(61a)と、ミッションケー
ス(4)の入力軸(63)のスプライン軸(63a)
を、ミッションケース(4)の外側で突き合せ状に軸継
手(62)によって連結させると共に、外周面が円形で
内周面がスプライン形の弾性シール材(103)を設
け、軸継手(62)のシール挿入孔(101)に弾性シ
ール材(103)を挿入させ、前記スプライン軸(61
a)(63a)外周に弾性シール材(103)を嵌着さ
せる移動農機において、前記軸継手(62)の軸孔開口
縁に前記シール挿入孔(101)を形成し、軸継手(6
2)側端面及び弾性シール材(103)の外側面に対設
させる座金(106)をスプライン軸(61a)(63
a)外周に嵌着させ、またスプライン軸(61a)(6
3a)の止め輪溝(105)に止め輪(104)を係止
させ、軸継手(62)側端面と止め輪(104)の間に
前記座金(106)を挾持させたことを特徴とする移動
農機。
A transmission shaft for transmitting an engine output.
(61) and a spline shaft (61a)
(4) Spline shaft (63a) of input shaft (63)
To the outside of the transmission case (4)
Connected by hand (62), and the outer peripheral surface is circular
Spline-shaped elastic sealing material (103)
The elastic insertion into the seal insertion hole (101) of the shaft coupling (62).
And the spline shaft (61) is inserted.
a) (63a) elastic sealing material (103) fitted around the outer periphery
In the moving agricultural machine, the shaft hole opening of the shaft coupling (62) is provided.
The seal insertion hole (101) is formed at the edge, and the shaft coupling (6) is formed.
2) Attached to the side end surface and the outer surface of the elastic sealing material (103)
The washer (106) to be splined (61a) (63
a) A spline shaft (61a) (6
Lock retaining ring (104) in retaining ring groove (105) in 3a)
Between the end face of the shaft coupling (62) and the retaining ring (104).
A mobile agricultural machine characterized in that said washer (106) is clamped .
JP1993042637U 1993-07-06 1993-07-06 Moving agricultural machine Expired - Fee Related JP2604930Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1993042637U JP2604930Y2 (en) 1993-07-06 1993-07-06 Moving agricultural machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1993042637U JP2604930Y2 (en) 1993-07-06 1993-07-06 Moving agricultural machine

Publications (2)

Publication Number Publication Date
JPH078631U JPH078631U (en) 1995-02-07
JP2604930Y2 true JP2604930Y2 (en) 2000-06-12

Family

ID=12641535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1993042637U Expired - Fee Related JP2604930Y2 (en) 1993-07-06 1993-07-06 Moving agricultural machine

Country Status (1)

Country Link
JP (1) JP2604930Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525495C2 (en) * 2003-05-21 2005-03-01 Scania Cv Ab Spline joints comprising two annular sealing elements at axially spaced distance from each other

Also Published As

Publication number Publication date
JPH078631U (en) 1995-02-07

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