JPS5853339Y2 - ditch digging machine - Google Patents
ditch digging machineInfo
- Publication number
- JPS5853339Y2 JPS5853339Y2 JP9733979U JP9733979U JPS5853339Y2 JP S5853339 Y2 JPS5853339 Y2 JP S5853339Y2 JP 9733979 U JP9733979 U JP 9733979U JP 9733979 U JP9733979 U JP 9733979U JP S5853339 Y2 JPS5853339 Y2 JP S5853339Y2
- Authority
- JP
- Japan
- Prior art keywords
- input shaft
- trench excavator
- lower link
- shaft
- trench
- 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
Links
Landscapes
- Agricultural Machines (AREA)
Description
【考案の詳細な説明】
本考案は溝掘機本体を幅方向に関して偏心位置させた溝
掘機に関し、溝掘機本体に備えた入力軸及び、人力軸と
車輛のＰＴＯ軸とを連動連結する伝動軸を防護すること
を目的とする。[Detailed description of the invention] The present invention relates to a trench excavator in which the trench excavator main body is positioned eccentrically in the width direction, and an input shaft provided on the trench excavator main body, a human power shaft, and a PTO shaft of a vehicle are interlocked and connected. The purpose is to protect the transmission shaft.
トラクタに、トップリンクと左右一対のロアリンクとか
ら成る３点リンクを介して、装着する溝掘機に於いては
、溝掘機本体を機枠の幅方向一端部に偏心位置させたも
のがあり、このものでは、畦際でも排水溝を掘削できる
利点がある。A trench excavator that is attached to a tractor via a three-point link consisting of a top link and a pair of left and right lower links has the trench excavator main body eccentrically positioned at one end in the width direction of the machine frame. This method has the advantage of being able to excavate drainage ditches even on the edges of ridges.
然し乍ら、上記従来の溝掘機に於いては、溝掘機本体が
対応する側のロアリンク取付体よりも外側方に配設され
ており、溝掘機本体の前方に突出する入力軸は外側方側
に対して露出状とされると共に、入力軸と車輌のＰＴＯ
軸とを連動連結する伝動軸の後部側も両ロアリンクの外
側方にあって、入力軸と同様外側方に対して露出状とさ
れていた。However, in the above-mentioned conventional trench excavating machine, the trench excavating machine main body is disposed on the outer side of the lower link attachment body on the corresponding side, and the input shaft protruding forward of the trench excavating machine main body is located on the outside. It is exposed to the side, and the input shaft and vehicle PTO
The rear side of the transmission shaft that interlocks and connects the shaft is also located on the outside of both lower links, and is exposed to the outside like the input shaft.
このため、溝掘作業時に、入力軸や伝動軸が外側方側か
ら障害物の干渉を受けて、損傷されると云う慣れがあり
、特に、畦際での溝掘作業時には上記慣れが大となって
いたのが実情である。For this reason, when digging trenches, there is a habit of input shafts and transmission shafts being interfered with by obstacles from the outside and being damaged. The reality is that it has happened.
本考案は上記実情に鑑み考案されたものであって、その
特徴とする処は、車輌に、トップリンクと左右一対のロ
アリンクとから成る３点リンクを介して、装着する溝掘
機に於いて、溝掘機の主フレーム体の幅方向一端部にロ
アリンク取付体を備え、他端部に、前方に突出する入力
軸を有する溝掘機本体を備え、溝掘機本体に、入力軸の
外側方に位置するロアリンク取付体を備え、入力軸と車
輌のＰＴＯ軸とを、両ロアリンク間に位置する伝動軸に
より連動連結した点にあることを特徴とするものである
。The present invention was devised in view of the above-mentioned circumstances, and its feature is that the trench excavator is attached to a vehicle via a three-point link consisting of a top link and a pair of left and right lower links. The main frame of the trench excavator is equipped with a lower link attachment body at one end in the width direction, and the other end is equipped with a trench excavator main body having an input shaft protruding forward. It is characterized in that the input shaft and the PTO shaft of the vehicle are interlocked and connected by a transmission shaft located between both lower links.
以下、本考案の一実施例を第１図乃至第３図の図面に基
き説明すれば、１は車輪型にて例示するトラクタの車体
で、同車体１の後部上面には、左右一対のリフトアーム
２を有する作業機昇降用油圧装置３を載置すると共に、
同車体１後方に、中央１本のトップリンク４と左右一対
のロアリンク５とから成る３点リンク６を介して、スク
リュウオーガ式にて例示する溝掘機７を装着し、同溝掘
機７を油圧装置３により昇降自在としている。Hereinafter, one embodiment of the present invention will be explained based on the drawings of Figs. A hydraulic device 3 for lifting and lowering a work machine having an arm 2 is mounted, and
A trench excavator 7 of the screw auger type is attached to the rear of the vehicle body 1 via a three-point link 6 consisting of a top link 4 in the center and a pair of lower links 5 on the left and right. 7 can be raised and lowered by a hydraulic device 3.
８は左右一対の後輪、９は車体１から後方に水平突出さ
せたＰＴＯ軸、１０はロアリンク５の振れを規制する左
右一対のチェックチェンである。Reference numeral 8 designates a pair of left and right rear wheels, 9 designates a PTO shaft that projects horizontally rearward from the vehicle body 1, and 10 designates a pair of left and right check chains that restrict swinging of the lower link 5.
なお、図示省略した左右一対の各前輪は各後輪８の前方
位置、又は前方位置より若干内側寄り位置に位置させで
ある。A pair of left and right front wheels (not shown) are positioned in front of each rear wheel 8 or slightly inward from the front position.
前記溝掘機７は、機枠１１と、機枠１１の右端に装備し
て幅方向に関して偏心位置させた溝掘機本体１２とから
構成される。The groove excavator 7 is composed of a machine frame 11 and a groove excavator main body 12 installed at the right end of the machine frame 11 and positioned eccentrically in the width direction.
１３は機枠１１を主構成する円筒体にて例示する主フレ
ーム体で、該体１３のトラクタ車体１の幅方向中央部と
対応する部分がらはトップマスト１４を前傾姿勢で立設
して、該マスト１４上端部にトップリンク４を枢結する
と共に、主フレーム体１３の左端からは板状の左ロアリ
ンク取付体１５を前方に突設して、該取付体１５前端部
から内向きに突設したロアリンク取付ピン１６に左ロア
リンク５を脱着自在に取付けている。Reference numeral 13 denotes a main frame body, exemplified by a cylindrical body that mainly constitutes the machine frame 11, and a top mast 14 is erected in a forward tilted position in a portion of the body 13 corresponding to the widthwise center portion of the tractor body 1. , the top link 4 is pivotally connected to the upper end of the mast 14, and a plate-shaped left lower link attachment body 15 is provided forwardly protruding from the left end of the main frame body 13. The left lower link 5 is detachably attached to a lower link attachment pin 16 protruding from the lower link 5.
１７は丸パイプにて例示するスタンド部材で、左ロアリ
ンク取付体１５外側面に固着した保持筒１８内に上下方
向移動自在に挿通して、ボルト等の固定具１９により移
動調整自在に固定している。Reference numeral 17 denotes a stand member, exemplified by a round pipe, which is inserted into a holding cylinder 18 fixed to the outer surface of the left lower link mounting body 15 so as to be movable in the vertical direction, and fixed with a fixing member 19 such as a bolt so that it can be adjusted freely. ing.
２０はロアリンク取付体１５の補強部材である。20 is a reinforcing member of the lower link attachment body 15.
一方、主フレーム体１３の右端部には、トラクタの右後
輪８後方に位置させて、トラクタの一方の最外側の右後
輪８轍跡Ａを掘削する溝掘機本体１２を備えである。On the other hand, the right end of the main frame body 13 is provided with a trench excavator body 12 that is located behind the right rear wheel 8 of the tractor and excavates the rut mark A of one of the outermost right rear wheels 8 of the tractor. .
この本体１２はそのギヤケース２１の左側を主フレーム
体１３に脱着自在にフランジ結合して、該ギヤケース２
１からは縦軸廻りに回転駆動されるスクリュウオーガに
て例示する掘削部２２を下設すると共に、ケース２１か
らは掘削部２２背方側を覆う半円筒形状のケーシング２
３を下設しである。This main body 12 has a gear case 21 whose left side is removably connected to the main frame body 13 by a flange, and the gear case 21
From 1, an excavation part 22 exemplified by a screw auger that is rotationally driven around a vertical axis is installed, and from the case 21, a semi-cylindrical casing 2 that covers the back side of the excavation part 22 is installed.
3 is set below.
なお、このケーシング２３は内側端が左後輪８轍跡Ａの
内側端よりも若干内側寄りに位置されると共に、その外
側端が右後輪８轍跡Ａの外側端と背面から視て一致され
ている。The inner end of this casing 23 is located slightly inward than the inner end of the left rear wheel 8 ruts A, and its outer end coincides with the outer end of the right rear wheel 8 ruts A when viewed from the back. has been done.
また、ギヤケース２１からは入力軸２４を、トラクタ側
、即ち、前方側左斜め約４５°の角度で内向きに水平に
突出させ、該入力軸２４を、両端に自在継手２５を備え
た伝動軸２６を介して、ＰＴＯ軸９と連動連結してあり
、ＰＴＯ軸９から入力軸２４への伝動により、掘削部２
２が回転駆動され、ケーシング２３との協働作用により
溝を掘削可能としている。Further, an input shaft 24 is horizontally projected inward from the gear case 21 at an angle of about 45 degrees diagonally to the left of the tractor side, that is, the front side, and the input shaft 24 is a transmission shaft equipped with a universal joint 25 at both ends. 26, and is interlocked with the PTO shaft 9, and the excavation part 2
2 is rotationally driven, and cooperates with the casing 23 to make it possible to excavate a groove.
前記伝動軸２６は筒状の安全カバ一体２７に内装される
と共に、第２図に示すように、伝動軸２６と入力軸２４
の交差角を伝動軸２６とＰＴＯ軸９の交差角に一致させ
てあり、ＰＴＯ軸９と入力軸２４の角速度が同一になる
ようにしである。The transmission shaft 26 is housed inside a cylindrical safety cover 27, and as shown in FIG.
The intersection angle of the transmission shaft 26 and the PTO shaft 9 is made to match the intersection angle of the transmission shaft 26 and the PTO shaft 9, so that the angular velocities of the PTO shaft 9 and the input shaft 24 are the same.
なお、第２図及び第３図の仮想線で示すように、ギヤケ
ース２１に入力軸２４の安全カバー２８を備えて、人力
軸２４を保護するようにしてもよい。Note that, as shown by the imaginary lines in FIGS. 2 and 3, the gear case 21 may be provided with a safety cover 28 for the input shaft 24 to protect the human power shaft 24.
２９は平面視く形の板にて例示する右ロアリンク取付体
で、ギヤケース２１右側部に脱着自在にボルト止めされ
て、前方に突出されている。Reference numeral 29 denotes a right lower link attachment body, exemplified by a rectangular plate in plan view, which is removably bolted to the right side of the gear case 21 and projects forward.
この右ロアリンク取付体２９は左ロアリンク取付体１５
と共に入力軸２４よりトラクタ側、即ち、前方側に突出
され、且つ、第３図に示すように、該右ロアリンク取付
体２９が入力軸２４の外側面側を覆うように位置されて
、入力軸２４が両ロアリンク取付体１５．２９により保
護されるようにしである。This right lower link mounting body 29 is the left lower link mounting body 15.
As shown in FIG. The shaft 24 is protected by both lower link attachments 15.29.
また、右ロアリンク取付体２９の前端部からはロアリン
ク取付ピン１６を内向きに突設して、該ピン１６に右ロ
アリンク５を脱着自在に取付けである。Further, a lower link attachment pin 16 is provided to protrude inward from the front end of the right lower link attachment body 29, and the right lower link 5 is detachably attached to the pin 16.
なお、両ロアリンク取付体１５．２９を第２図の仮想線
で示すように更に前方側に突出させて、取付体１５．２
９の入力軸２４保護機能をより十分にするようにしても
よい。In addition, both lower link attachment bodies 15.29 are made to protrude further forward as shown by the imaginary lines in FIG.
The input shaft 24 protection function of No. 9 may be made more sufficient.
３０は左右一対のサポートリンクで、各ロアリンク取付
体１５．２９と、トップマスト１４各側とを連結してい
る。A pair of left and right support links 30 connect each lower link attachment body 15.29 to each side of the top mast 14.
その他、３１は左右一対の溝側壁整形板で、ケーシング
２３両側に後方延出状に備えられ、この内の左側整形板
３１前端部には排土板３２を固設して、該排土板３２を
左斜め後方に延出してあり、ケーシング２３から排出さ
れた土を側方に排出可能としている。In addition, 31 is a pair of left and right groove side wall shaping plates, which are provided on both sides of the casing 23 in a rearwardly extending manner, and an earth removal plate 32 is fixed to the front end of the left side shaping plate 31. 32 extends obliquely to the left and rearward, allowing the soil discharged from the casing 23 to be discharged to the side.
なお、上記のように構成した実施例に於いて、圃場の畦
Ｂ際に排水溝Ｃを掘削する際には、第１図及び第２図に
示すように、トラクタ右側部を畦Ｂ一杯に接近させて、
右後輪８を畦Ｂ際に位置させると共に、溝掘機本体１２
を掘削体勢に下降させる。In addition, in the embodiment configured as described above, when excavating the drainage ditch C at the edge of the ridge B of the field, as shown in Figs. Let me get close,
While positioning the right rear wheel 8 near the ridge B, the trench excavator main body 12
lower into digging position.
このようにして、トラクタからの伝動により掘削部２２
を回転駆動しつつ、トラクタを畦Ｂに沿って走行させれ
ば、畦Ｂ際を通る右後輪８の轍路Ａを掘削部２２及びケ
ーシング２３の協働作用により掘削しながら、溝掘機本
体１２が該轍路Ａを通過して、畦Ｂ際に排水溝Ｃを掘削
できると共に、畦Ｂ側の右後輪８の轍路Ａを消せるので
ある。In this way, the excavation part 22 is
If the tractor is run along the ridge B while rotationally driving the ridge B, the trench excavator excavates the rutted path A of the right rear wheel 8 passing near the ridge B by the cooperative action of the excavating part 22 and the casing 23. The main body 12 passes through the rutted path A, and the drainage ditch C can be excavated near the ridge B, and the rutted path A of the right rear wheel 8 on the ridge B side can be erased.
なお、掘削部２２及びケーシング２３がトラクタよりも
外側方に突出されていないので、上記作業時に、掘削部
２２及びケーシング２３にかかる掘削抵抗がトラクタ運
転に影響を及ぼすことは殆どなく、作業者はハンドルを
とられることなく、トラクタを従来同様に容易に運転で
きて、排水溝Ｃを掘削できる。In addition, since the excavating part 22 and the casing 23 do not protrude outward beyond the tractor, the excavating resistance applied to the excavating part 22 and the casing 23 hardly affects the operation of the tractor during the above-mentioned work, and the operator can A tractor can be easily driven as before without taking the handle, and a drainage ditch C can be excavated.
本考案は以上の通りであって、溝掘機の主フレーム体の
幅方向一端部に、前方に突出する入力軸を有する溝掘機
を備えた溝掘機に於いて、溝掘機本体に、入力軸の外側
方に位置するロアリンク取付体を備え、入力軸と車輌の
ＰＴＯ軸とを連動連結する伝動軸を両ロアリンク間に位
置させたので、ロアリンク取付体及びロアリンクにより
、入力軸及び伝動軸を外側方側からの障害物の干渉に対
して防護でき、畦際での溝掘作業時においても、入力軸
や伝動軸が障害物との干渉によって損傷されたりする惧
れはない。The present invention is as described above, and provides a trench excavator equipped with an input shaft protruding forward at one end in the width direction of the main frame of the trench excavator. , the lower link mounting body is located on the outside of the input shaft, and the transmission shaft that interlocks and connects the input shaft and the PTO shaft of the vehicle is located between both lower links, so that the lower link mounting body and the lower link can The input shaft and transmission shaft can be protected from interference from obstacles from the outside, and there is no risk of damage to the input shaft or transmission shaft due to interference with obstacles even when digging trenches on the edge of a ridge. There isn't.
本考案は上記利点を有し、実益大である。The present invention has the above advantages and is of great practical benefit.
図面は本考案の一実施例を示し、第１図は背面図、第２
図は平面図、第３図は第２図のトラクタがら取外した溝
掘機本体のＩＩＩ矢視図である。
１・・・・・・トラクタ車体、４・・・・・・トップリ
ンク、５・・・・・・ロアリンク、６・・・・・・３点
リンク、７・・・・・・溝掘機、１１・・・・・・機枠
、１２・・・・・・溝掘機本体、１３・・・・・・主フ
レーム体、１５．２９・・・・・・左・右ロアリンク取
付体。The drawings show one embodiment of the present invention, and the first figure is a rear view, the second figure is a rear view, and the second figure is a rear view.
The figure is a plan view, and FIG. 3 is a view taken from the direction of arrow III of the main body of the trench excavator, which is removed from the tractor shown in FIG. 1...Tractor body, 4...Top link, 5...Lower link, 6...3-point link, 7...Ditching machine, 11...machine frame, 12...grooving machine body, 13...main frame body, 15.29...left/right lower link installation body.
Claims (1)
る３点リンクを介して、装着する溝掘機に於いて、溝掘
機の主フレーム体の幅方向一端部にロアリンク取付体を
備え、他端部に、前方に突出する入力軸を有する溝掘機
本体を備え、溝掘機本体に、入力軸の外側方に位置する
ロアリンク取付体を備え、入力軸と車輌のＰＴＯ軸とを
、両ロアリンク間に位置する伝動軸により連動連結した
ことを特徴とする溝掘機。A trench excavator that is attached to a vehicle via a three-point link consisting of a top link and a pair of left and right lower links, is provided with a lower link attachment body at one end in the width direction of the main frame of the trench excavator, The trench excavator main body has an input shaft protruding forward at the other end, and the trench excavator main body is equipped with a lower link attachment body located on the outside of the input shaft, and the input shaft and the PTO shaft of the vehicle are connected to each other. , a trench excavator characterized in that both lower links are interlocked and connected by a transmission shaft located between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9733979U JPS5853339Y2 (en) | 1979-07-12 | 1979-07-12 | ditch digging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9733979U JPS5853339Y2 (en) | 1979-07-12 | 1979-07-12 | ditch digging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5616662U JPS5616662U (en) | 1981-02-13 |
| JPS5853339Y2 true JPS5853339Y2 (en) | 1983-12-05 |
Family
ID=29330143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9733979U Expired JPS5853339Y2 (en) | 1979-07-12 | 1979-07-12 | ditch digging machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5853339Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58125221U (en) * | 1982-01-20 | 1983-08-25 | ティーディーケイ株式会社 | Magnetic head for VTR |
-
1979
- 1979-07-12 JP JP9733979U patent/JPS5853339Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5616662U (en) | 1981-02-13 |
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