JP4138772B2

JP4138772B2 - Mobile farm machine

Info

Publication number: JP4138772B2
Application number: JP2005127986A
Authority: JP
Inventors: 二三男黒岩; 康弘宮内; 征典今井; 真人永井
Original assignee: Iseki and Co Ltd
Current assignee: Iseki and Co Ltd
Priority date: 2005-04-26
Filing date: 2005-04-26
Publication date: 2008-08-27
Anticipated expiration: 2017-01-31
Also published as: JP2005289369A

Description

この発明は、移動農機に関し、特にその機体下面部覆い具に関するもので、作物を所定間隔で植え付けている圃場内で作物を踏まないように走行する管理用移動農機の機体下面部覆い具を効果的に取り付けようとするものである。 This invention relates to a mobile agricultural machine, in particular its intended about the body lower surface portion covering member, body lower surface portion covering member of the management for the mobile agricultural machine travels so as not step on crops in the field that planting crops at predetermined intervals Is intended to be attached effectively.

従来の移動農機の機体下面部覆い具は、長方形状のビニールや布等のシートを移動農機の腹下部に取り付けていたり、板材などを車体前部に取り付けるものであった。
実開昭４９−８１７０１号実開昭５７−６９７４１号 The machine body lower surface cover of the conventional mobile agricultural machine attaches a sheet of rectangular vinyl or cloth to the lower part of the mobile agricultural machine or attaches a plate or the like to the front of the vehicle body.
No. 49-81701 Japanese Utility Model Publication No.57-69741

しかしながら、前記従来のシートや板材から成る覆い具は、車体側の部材を保護するものであって、作物に接当すると作物先端を傷めてしまうという課題が有った。 However, the conventional cover made of a sheet or a plate protects a member on the vehicle body side, and there is a problem that the tip of the crop is damaged when it comes into contact with the crop.

この発明は、従来装置のこのような不具合を解消しようとするものであって、次のような技術的手段を講じた。
即ち、左右前輪（４，４）を支持するフロントアクスル（２）と、左右後輪（５，５）を支持するリヤアクスル（３）を有する移動農機において、機体（１）の前部には昇降具（２３）の伸縮により昇降する上下リンク（１９，２０）と前枠（２２）を設け、この移動農機の下面を覆う覆い具は、前後方向に長い弾性材からなる左右の支持棒（６，６）と、これら支持棒（６，６）を差し込む袋部（３１，３１を）左右両端部に備える前後方向に長いシート部材（７）と、該シート部材（７）を少なくとも前記フロントアクスル（２）とリヤアクスル（３）に対して締付できる紐部（３２，３２…）、及び前記フロントアクスル（２）よりも前側で且つ前記シート部材（７）を前上がりに前記前枠（２２）又は該前枠（２２）に装着する作業機（２４）に保持させる紐部（３２）を有することを特徴とする移動農機とした。 The present invention is intended to solve such a problem of the conventional apparatus, and has taken the following technical means.
That is, in a mobile agricultural machine having a front axle (2 ) that supports the left and right front wheels (4, 4) and a rear axle (3) that supports the left and right rear wheels (5, 5) , the front of the body (1) is raised and lowered. The upper and lower links (19, 20) and the front frame (22) that are moved up and down by the expansion and contraction of the tool (23) are provided, and the covering tool that covers the lower surface of the mobile farm machine is composed of left and right support bars (6 , 6), a sheet member (7) provided in the left and right ends of the bag portion (31, 31) into which the support rods (6, 6) are inserted , and the seat member (7) at least in the front axle. (2) and a string portion (32, 32...) That can be fastened to the rear axle (3) , and the front frame (22 ) in front of the front axle (2) and the seat member (7) upward. ) Or work to attach to the front frame (22) It was set as the mobile farm machine characterized by having the string part (32) hold | maintained at a machine (24) .

以上のように構成した移動農機の機体下面覆い具は、左右に長い弾性材からなる支持棒６，６を備えたシート部材７をフロントアクスル２とリヤアクスル３に亘る機体下部を保護することができる上、この前部を昇降具（２３）の伸縮で昇降する上下リンク１９，２０を少し上方に持上げておくことにより前上がりに取り付けることができて、作物の接触時の流れを容易として、作物の先端部の傷みを無くすことができる。 The machine body lower surface covering device of the mobile agricultural machine configured as described above can protect the lower part of the machine body across the front axle 2 and the rear axle 3 with the seat member 7 including the support rods 6 and 6 made of a long elastic material on the left and right. Furthermore, the upper and lower links 19, 20 to lift the front in the expansion and contraction of the lifting device (23) can be attached to the front rising by keeping slightly lifted upward, as facilitate the flow at the time of contact of the crop, the crop It is possible to eliminate the damage to the tip of the.

図例は、移動農機である乗用管理機９であって、この乗用管理機９の機体１下面部に、この発明を折り込んでいる。
機体１の前後にはフロントアクスル２とリヤアクスル３が配設され、前後のアクスルの両端部からファイナルケース１０，１０が下方に向かって突設状に取り付けられ、その突設端に前輪４，４と後輪５，５が回転自在に取り付けられている。 The illustrated example is a riding management machine 9 that is a mobile agricultural machine, and the present invention is folded into the lower surface of the body 1 of the riding management machine 9.
A front axle 2 and a rear axle 3 are arranged on the front and rear of the body 1, and final cases 10 and 10 are attached in a projecting manner downward from both ends of the front and rear axles, and front wheels 4 and 4 are attached to the projecting ends. And the rear wheels 5 and 5 are rotatably attached.

前輪４，４間上方のボンネット１１内にはエンジン１２を内装搭載しており、このエンジン１２の駆動力を機体１下部の伝動ケース１３に伝達している。ボンネット１１後方にはハンドル１４が設けられ、ハンドル１４の操舵により前後輪４，５が同時に操舵されたり、前輪４，４のみが操舵されたり、運転者の「入」「切」操作により変更される。 An engine 12 is mounted internally in the hood 11 above the front wheels 4 and 4, and the driving force of the engine 12 is transmitted to the transmission case 13 below the body 1. A handle 14 is provided behind the bonnet 11, and the front and rear wheels 4, 5 are simultaneously steered by steering the handle 14, or only the front wheels 4, 4 are steered, or are changed by the driver's “ON” / “OFF” operation. The

後輪５，５間上方には運転席１５が配設され、運転席１５の両側方から後方のフロア１６上に、タンク１７を着脱自在に載置している。リヤアクスル３にはヒッチ３３のリフトアーム３４基端部が軸着３５され、油圧シリンダー３６を伸縮してヒッチ３３を昇降自在としている。タンク１７下方の該ヒッチ３３にはポンプ１８が取り付けられており、後述する外部動力取出しのＰＴＯ軸により駆動されている。 A driver's seat 15 is disposed above the rear wheels 5 and 5, and a tank 17 is detachably mounted on the floor 16 behind the driver seat 15 from both sides. The rear axle 3 is pivotally mounted 35 on the base end of the lift arm 34 of the hitch 33, and the hitch 33 can be moved up and down by extending and contracting the hydraulic cylinder 36. A pump 18 is attached to the hitch 33 below the tank 17 and is driven by a PTO shaft for taking out external power described later.

前後輪４，５間の機体１下部には前述のように伝動ケース１３が配設されており、伝動ケース１３内で変速された軸回転が、前駆軸２６からフロントアクスル２のデファレンシャル装置（図示せず。）を経て前輪４，４を駆動したり、後駆軸２７からリヤアクスル３のデファレンシャル装置（図示せず。）を経て後輪５，５を駆動する。前後輪４，５は同時に駆動したり、後輪５だけ駆動したり運転者が操作変更可能としている。 As described above, the transmission case 13 is disposed in the lower part of the body 1 between the front and rear wheels 4 and 5, and the shaft rotation changed in the transmission case 13 causes the differential device (see FIG. The front wheels 4 and 4 are driven through the rear drive shaft 27 and the rear wheels 5 and 5 are driven through the differential device (not shown) of the rear axle 3. The front and rear wheels 4 and 5 can be driven simultaneously, or only the rear wheel 5 can be driven or the driver can change the operation.

また、駆動力の一部は伝動ケース１３から自在継手２８を経て、運転席１５下方の機体１に取り付けられたＰＴＯ変速ケース２９に伝達される。ＰＴＯ変速ケース２９から後方にＰＴＯ軸３０が突出しており、図示しない自在継手を介しこのＰＴＯ軸３０でポンプ１８を駆動する。 Part of the driving force is transmitted from the transmission case 13 through the universal joint 28 to the PTO transmission case 29 attached to the fuselage 1 below the driver seat 15. A PTO shaft 30 protrudes rearward from the PTO transmission case 29, and the pump 18 is driven by the PTO shaft 30 via a universal joint (not shown).

乗用管理機９の機体１前部には平行リンクである上下リンク１９，２０が支枠２１の上下部に取り付けられている。また上下リンク１９，２０の先端は前枠２２で上下連結され、この前枠２２と一方の上下リンク１９，２０間に電動モータで伸縮する昇降具２３を取り付けており、この昇降具２３の伸縮により上下リンク１９，２０と前枠２２が昇降する。 Upper and lower links 19 and 20, which are parallel links, are attached to the upper and lower portions of the support frame 21 at the front of the body 1 of the riding management machine 9. Further, the ends of the upper and lower links 19 and 20 are vertically connected by a front frame 22, and an elevating tool 23 that is expanded and contracted by an electric motor is attached between the front frame 22 and one of the upper and lower links 19 and 20. As a result, the vertical links 19 and 20 and the front frame 22 are moved up and down.

前枠２２にはヒッチ部が設けられ、このヒッチ部に噴霧作業機２４が取り付けられている。噴霧作業機２４は左右方向中央部の中央噴霧部と、機体１の左右で拡開する側方噴霧部から成っており、噴霧作業機２４はタンク１７内に収納された薬剤を混ぜた水を、タンク１７下部のポンプ１８で加圧圧送して、機体１前方の必要部に圧力水を送り、薬剤を混ぜた水を複数のノズル２５，２５．．．から圃場表面に植え付けた作物に上方から下方に向かって噴霧し走行して消毒や害虫の駆除を行なう。 The front frame 22 is provided with a hitch portion, and a spray work machine 24 is attached to the hitch portion. The spray work machine 24 is composed of a central spray part at the center in the left-right direction and a side spray part that expands on the left and right sides of the machine body 1. The spray work machine 24 uses water mixed with a medicine stored in the tank 17. , The pump 18 under the tank 17 is pressurized and pressurized, the pressure water is sent to the necessary part in front of the machine body 1, and the water mixed with the medicine is supplied to the nozzles 25, 25. . . From above, crops planted on the field surface are sprayed from top to bottom and run to disinfect and control pests.

このように圃場内を走行するとき、圃場表面に植え付けた作物に対し、機体１の最低地上高側であるフロントアクスル２やリヤアクスル３や伝動ケース１３の下面が複雑に凹凸していると作物の先端を傷めるので、機体下面を次に述べる覆い具で覆っている。 When traveling in the field in this way, the crops planted on the surface of the field may be cropped if the lower surface of the front axle 2, rear axle 3, or transmission case 13 on the lowest ground height side of the body 1 is intricately uneven. Since the tip is damaged, the underside of the fuselage is covered with the cover described below.

覆い具は図３で示すように、前後方向に長い中空パイプ状の弾性材（例えば、竹やグラスファイバーやアルミ材等）から成る支持棒６，６を左右に配し、この支持棒６を両側端の袋部３１，３１に差し込んで取り付けたシート７であって、左右の長い棒とその間の布で略担架のような形状としている。そして、このシート７を帆布や不織布やビニール等軟質樹脂材で構成して、強度向上やある程度の防水，保水性や作物に対する傷つけ難くさを保つようにしている。 As shown in FIG. 3, the cover is provided with support rods 6 and 6 made of a hollow pipe-like elastic material (for example, bamboo, glass fiber, aluminum material, etc.) long in the front-rear direction. It is the sheet | seat 7 inserted and attached to the bag parts 31 and 31 of a both-ends, Comprising: It has a shape like a substantially stretcher with the left and right long stick and the cloth between them. And this sheet | seat 7 is comprised with soft resin materials, such as a canvas, a nonwoven fabric, and vinyl, and keeps the strength improvement, a certain amount of waterproofing, water retention, and the difficulty of being damaged with respect to a crop.

シート７の左右方向中央部には、前後方向に複数の孔８，８．．を開口している。また、シート７の両側端の袋部３１には複数の紐３２，３２．．．が取り付けられている。
支持棒６は釣竿のように直線状のものでありながら全体的にしなるから、図１の全体側面図や図２の背面図で示すように、フロントアクスル２やリヤアクスル３の下面にシート７の袋部３１を押しつけて紐３２，３２．．で締め付けておくと、シート７は張力を保ち全体が大きな曲面となる。支持棒６，６の前端部を前枠２２または噴霧作業機２４に紐３２で取り付け、図示のように上下リンク１９，２０で少し上方に持ち上げておくと、シート７内に入った液体や粉体がシート中央の孔８から外部に落下し、シート上に残らない。支持棒６，６の後端部も同様にヒッチ３３やリフトアーム３４に紐３２で取り付けて少し上動しておくと、シート７の前後部が前上がりと成って、作物の接触時の流れを容易として、作物の先端部の傷みをすくなくできる。 A plurality of holes 8, 8. . Is open. In addition, a plurality of strings 32, 32. . . Is attached.
Since the support rod 6 is a straight rod like a fishing rod, it is made entirely. Therefore, as shown in the overall side view of FIG. 1 and the rear view of FIG. 2, the seat 7 is attached to the lower surface of the front axle 2 and the rear axle 3. The bag part 31 is pressed and the strings 32, 32. . When the sheet 7 is tightened, the sheet 7 maintains a tension and the entire surface becomes a large curved surface. If the front ends of the support rods 6 and 6 are attached to the front frame 22 or the spray working machine 24 with a string 32 and lifted up slightly by the vertical links 19 and 20 as shown in the figure, the liquid or powder that has entered the sheet 7 The body falls outside from the hole 8 in the center of the sheet and does not remain on the sheet. Similarly, if the rear end portions of the support rods 6 and 6 are attached to the hitch 33 and the lift arm 34 with the string 32 and moved up a little, the front and rear portions of the seat 7 are lifted forward, and the flow at the time of crop contact This makes it easy to eliminate damage to the tip of the crop.

また前記シート７の左右中央部には、前後方向に複数の孔８，８…開口する構成となっており、同シート部材７上に落ちた薬液や粉体を地面に落下させることができ、シート部材７の洗浄も容易である。 Further, the left and right central portions of the sheet 7 are configured to open a plurality of holes 8, 8... In the front-rear direction, and the chemicals and powders that have fallen on the sheet member 7 can be dropped to the ground. The sheet member 7 can be easily cleaned.

覆い具を取り付けた移動農機の全体側面図である。It is a whole side view of the mobile agricultural machine which attached the cover. 一部断面した、図１の背面図である。FIG. 2 is a rear view of FIG. 1 with a partial cross-section. 要部の斜視図である。It is a perspective view of the principal part.

Explanation of symbols

１機体
２フロントアクスル
３リヤアクスル
４前輪
５後輪
６支持棒
７シート
８孔
１９リンク
２０リンク
２２前枠
２４噴霧作業機（作業機） 1 Airframe 2 Front Axle 3 Rear Axle 4 Front Wheel 5 Rear Wheel 6 Support Rod 7 Seat 8 Hole
19 links
20 links
22 Front frame
24 Spraying machine (working machine)

Claims

A front axle (2) for supporting the left and right front wheels (4,4), the mobile agricultural machine having a rear axle (3) for supporting the right and left rear wheels (5,5), a front portion of the fuselage (1) lifting device ( 23) The upper and lower links (19, 20) and the front frame (22) that move up and down by the expansion and contraction of (23) are provided, and the cover that covers the lower surface of this mobile farm machine has left and right support bars (6, 6) made of a long elastic material ), A sheet member (7) provided in the left and right ends of the bag portion (31, 31) into which the support rods (6, 6) are inserted , and the seat member (7) at least in the front axle (2). ) And a string portion (32, 32...) That can be fastened to the rear axle (3) , and the front frame (22) or front side of the front axle (2) and the seat member (7) upward. Working machine (2) to be mounted on the front frame (22) 4) A mobile agricultural machine having a string part (32) to be held in 4) .