JP2005178403A - Tractor - Google Patents

Tractor Download PDF

Info

Publication number
JP2005178403A
JP2005178403A JP2003417395A JP2003417395A JP2005178403A JP 2005178403 A JP2005178403 A JP 2005178403A JP 2003417395 A JP2003417395 A JP 2003417395A JP 2003417395 A JP2003417395 A JP 2003417395A JP 2005178403 A JP2005178403 A JP 2005178403A
Authority
JP
Japan
Prior art keywords
frame
frames
seat
vibration
driver
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
JP2003417395A
Other languages
Japanese (ja)
Other versions
JP4465184B2 (en
Inventor
Zenzo Uchida
善三 内田
Kazuhisa Yokoyama
和寿 横山
Keiichi Hayashi
恵一 林
Mitsusachi Hatanaka
光幸 畠中
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.)
Yanmar Co Ltd
Original Assignee
Yanmar 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 Yanmar Co Ltd filed Critical Yanmar Co Ltd
Priority to JP2003417395A priority Critical patent/JP4465184B2/en
Publication of JP2005178403A publication Critical patent/JP2005178403A/en
Application granted granted Critical
Publication of JP4465184B2 publication Critical patent/JP4465184B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Body Structure For Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To assemble or disassemble lateral and fore-and-aft frames without a facility such as a hoist, and to improve workability in maintenance or repair around a transmission case. <P>SOLUTION: In the tractor, a driver's seat is installed on an upper side of the transmission case through a main frame. The main frame is formed to be divided into the lateral fender frame and the fore-and-aft center frame. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は例えば農作業機または土工作業機などを装設して農作業または土工作業などを行うトラクタに関する。   The present invention relates to a tractor that performs, for example, farm work or earth work by installing a farm machine or earth work machine.

従来、走行クローラをクローラフレームに装設させ、クローラフレームにエンジンとミッションケースを設け、ミッションケースの上側に運転席を装設させる技術がある。(例えば、特許文献1参照)   Conventionally, there is a technique in which a traveling crawler is installed on a crawler frame, an engine and a mission case are provided on the crawler frame, and a driver's seat is installed on the upper side of the mission case. (For example, see Patent Document 1)

特開平2002−193151号公報JP-A-2002-193151

前記従来技術は、運転席の両側に左右フェンダフレームを設けているが、左右フェンダフレームを利用して変速または駐車ブレーキ用の操作レバーを設けることにより、フェンダフレームを取外して行う必要があったミッションケース回りのメンテナンスまたは修理作業などが面倒である等の取扱い上の問題がある。   In the prior art, left and right fender frames are provided on both sides of the driver's seat, but a mission that had to be performed by removing the fender frame by using the left and right fender frames to provide an operation lever for shifting or parking brake. There are problems in handling such as troublesome maintenance or repair work around the case.

然るに、本発明は、請求項1の如く、ミッションケースの上側に主フレームを介して運転席を装設させるトラクタにおいて、左右フレームと前後フレームによって主フレームを分割形成することを特徴とする。   However, according to the present invention, as in claim 1, in the tractor in which the driver's seat is installed on the upper side of the transmission case via the main frame, the main frame is divided and formed by the left and right frames and the front and rear frames.

また、請求項2の如く、左右フレームの後側上方をリヤフレームによって連結し、尾灯または方向指示ランプ等をリヤフレームに設けることを特徴とする。   Further, according to a second aspect of the present invention, the rear upper parts of the left and right frames are connected by a rear frame, and a tail lamp or a direction indicator lamp is provided on the rear frame.

また、請求項3の如く、左右のサイドステップ及び左右フェンダを左右フレームに設けることを特徴とする。   According to a third aspect of the present invention, the left and right side steps and the left and right fenders are provided on the left and right frames.

請求項1に係る発明は、ミッションケースの上側に主フレームを介して運転席を装設させるトラクタにおいて、左右フレームと前後フレームによって主フレームを分割形成するもので、例えばホイスト等の設備がなくても左右及び前後フレームの組付けまたは取外し作業などを行うことができると共に、前後フレームにレバーまたはリンク類を設けることによって左右フレームの脱着を容易に行うことができ、ミッションケース回りのメンテナンスまたは修理などの作業性を向上させることができるものである。   In the tractor in which the driver's seat is installed on the upper side of the transmission case via the main frame, the main frame is divided and formed by the left and right frames and the front and rear frames. For example, there is no equipment such as a hoist. In addition, the left and right and front and rear frames can be assembled or removed, and by installing levers or links on the front and rear frames, the left and right frames can be easily attached and removed, and maintenance and repair around the mission case, etc. Workability can be improved.

また、請求項2に係る発明は、左右フレームの後側上方をリヤフレームによって連結し、尾灯または方向指示ランプ等をリヤフレームに設けるもので、左右フレームの補強部材並びに機体後側の部品取付部材としてリヤフレームを活用して構成部品数を容易に低減でき、しかもランプ類をリヤフレームにユニット構成してハーネス等の収納及び保護などを容易に行うことができると共に、例えば梱包または輸送時に左右フレーム上方のロプスフレームを取外してもリヤフレームを残してランプ類を作動させることができるものである。   The invention according to claim 2 is such that the rear upper part of the left and right frames is connected by a rear frame, and a tail lamp or a direction indicator lamp is provided on the rear frame. The rear frame can be used to easily reduce the number of components, and the lamps can be configured as a unit in the rear frame to easily store and protect harnesses, etc. Even if the upper lops frame is removed, the lamps can be operated while leaving the rear frame.

また、請求項3に係る発明は、左右のサイドステップ及び左右フェンダを左右フレームに設けるもので、左右のサイドステップ及び左右フェンダを左右フレームと一体的または各別に脱着させることができ、ミッションケース周りの組立性及びメンテナンス性を向上させることができるものである。   In the invention according to claim 3, the left and right side steps and the left and right fenders are provided on the left and right frames, and the left and right side steps and the left and right fenders can be attached to and detached from the left and right frames separately or separately. Assembling property and maintenance property can be improved.

以下、本発明の実施例を図面に基づいて詳述する。図1はトラクタの外観側面図、図2はミッションケース部の側面図、図3は同拡大図、図4は同平面図、図5は同拡大図、図6は同背面図、図7及び図8は同拡大図であり、四角筒形の左右一対のクローラフレーム1前部に前ミッションケース2を固定させ、前ミッションケース2の左右車軸3に左右駆動スプロケット4を軸支させると共に、前記クローラフレーム1後部にテンションフレーム5を介してテンションローラ6を設け、イコライザ転輪7及びアイドラ8を介して駆動スプロケット4とテンションローラ6間に走行クローラ9を巻回し、左右一対の走行クローラ9を装設している。   Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an external side view of the tractor, FIG. 2 is a side view of the mission case part, FIG. 3 is the same enlarged view, FIG. 4 is the same plan view, FIG. 5 is the same enlarged view, FIG. FIG. 8 is an enlarged view of FIG. 8, in which a front mission case 2 is fixed to the front part of a pair of left and right square cylindrical crawler frames 1 and a left and right drive sprocket 4 is pivotally supported on the left and right axles 3 of the front mission case 2. A tension roller 6 is provided at a rear portion of the crawler frame 1 via a tension frame 5, and a traveling crawler 9 is wound between the drive sprocket 4 and the tension roller 6 via an equalizer roller 7 and an idler 8. It is installed.

さらに、左右クローラフレーム1の間で前部上方にエンジン10を搭載し、エンジン10外側をボンネット11によって覆うと共に、左右クローラフレーム1の間で後部に後ミッションケース12を設け、リフトアーム13を備える油圧昇降シリンダ部14とトップリンク15及びロワリンク16とを後ミッションケース12に設け、耕耘ロータリ作業機またはプラウなどの農作業機を前記リンク15・16に昇降及び着脱自在に装設させ、圃場の耕耘作業などを行わせる。   Further, an engine 10 is mounted above the front part between the left and right crawler frames 1, the outside of the engine 10 is covered with a bonnet 11, a rear mission case 12 is provided at the rear part between the left and right crawler frames 1, and a lift arm 13 is provided. A hydraulic lifting cylinder section 14, a top link 15 and a lower link 16 are provided in the rear mission case 12, and a farm working machine such as a tillage rotary working machine or a plow is installed on the links 15 and 16 so as to be lifted and removed freely. Have work done.

また、前記ボンネット11後側で後ミッションケース12上側にキャビン17を装設させるもので、前記キャビン17前部にハンドルコラム18及びブレーキペダル19を内設させ、チルト動作自在な前記ハンドルコラム18に丸形操向ハンドル20を回転自在に取付けると共に、作業者が座乗する運転席21を前記キャビン17後部に内設させ、走行主及び副変速レバー22・23及び油圧レバー24・25及び駐車ブレーキレバー26を前記運転席21側方に配設させる。   A cabin 17 is installed on the rear side of the bonnet 11 and on the upper side of the rear transmission case 12. A handle column 18 and a brake pedal 19 are installed in the front portion of the cabin 17, and the handle column 18 is tiltable. A round steering handle 20 is rotatably attached, and a driver's seat 21 on which an operator sits is installed in the rear portion of the cabin 17 so that the main and auxiliary transmission levers 22 and 23, hydraulic levers 24 and 25, and parking brakes are installed. The lever 26 is disposed on the side of the driver seat 21.

さらに、左右クローラフレーム1の架台27に左右フェンダフレーム28下部を着脱自在にボルト止め固定させ、左右フェンダフレーム28の外側に受台29を介して左右燃焼タンク30を固定させ、該タンク30の前側と上側を覆うフェンダ31をフェンダフレーム28に固定させ、フェンダ31の前方に延設させるフェンダフレーム28の横設部32にサイドステップ33を固定させ、左右サイドステップ33の間にメインステップ34を略面一に設ける。また、図5の如く、左右フェンダフレーム28の横設部32に前センタフレーム35の両端部を着脱自在にボルト36止め固定させ、前センタフレーム35の中間をミッションケース12上面に着脱自在にボルト37止め固定させると共に、左右フェンダフレーム28の立設部38に後センタフレーム39の両端部を着脱自在にボルト40止め固定させ、後センタフレーム39中間に軸受板41を一体固定させ、ミッションケース12上面に軸受板41を着脱自在にボルト42止め固定させ、前後センタフレーム35・39上側にシートフレーム43を介して運転席21を設ける。   Further, the lower portions of the left and right fender frames 28 are detachably bolted and fixed to the gantry 27 of the left and right crawler frames 1, and the left and right combustion tanks 30 are fixed to the outside of the left and right fender frames 28 via the cradle 29. The fender 31 covering the upper side is fixed to the fender frame 28, the side step 33 is fixed to the lateral portion 32 of the fender frame 28 extending forward of the fender 31, and the main step 34 is omitted between the left and right side steps 33. Provide flush. Further, as shown in FIG. 5, both ends of the front center frame 35 are detachably fixed to the horizontal portions 32 of the left and right fender frames 28, and the middle of the front center frame 35 is detachably bolted to the upper surface of the transmission case 12. 37, and the both ends of the rear center frame 39 are detachably fixed to the standing portions 38 of the left and right fender frames 28, and the bearing plate 41 is integrally fixed to the middle of the rear center frame 39. The bearing plate 41 is detachably fixed to the upper surface with bolts 42, and the driver's seat 21 is provided on the upper side of the front and rear center frames 35 and 39 via the seat frame 43.

さらに、左右フェンダフレーム28の立設部38の上端部に上部ロプスフレーム44下端部を着脱自在にボルト45止め固定させ、フェンダフレーム28とロプスフレーム44の間にリヤフレーム46端部を挾持固定させ、左右フェンダフレーム28の立設部38をリヤフレーム46によって連結させると共に、左右の尾灯47をリヤフレーム46の後側面にブラケット48を介して固定させ、左右の方向指示ランプ49をリヤフレーム46の左右側面にブラケット50を介して固定させるもので、下面側を開放した高剛性の箱形状にリヤフレーム46を形成し、下側のフレーム28と上側のフレーム44の左右の中間連結部をリヤフレーム46によって連結させ、上側のフレーム44を取外しても下側のフレーム28が安定すると共に、リヤフレーム46を取外してミッションケース12周囲のメンテナンス等を行える一方、左右の燃料タンク30の上部をブリーザホース51によって連結させ、該ブリーザホース51をリヤフレーム46内側に固定させて保護する。   Further, the lower end portion of the upper rops frame 44 is detachably fixed to the upper end portion of the standing portion 38 of the left and right fender frames 28, and the end of the rear frame 46 is clamped and fixed between the fender frame 28 and the lops frame 44. The left and right tail lamps 47 are fixed to the rear side surface of the rear frame 46 via brackets 48 and the right and left direction indicator lamps 49 are fixed to the rear frame 46. It is fixed to the left and right side surfaces via brackets 50, and the rear frame 46 is formed in a highly rigid box shape with the lower surface opened, and the left and right intermediate connecting portions of the lower frame 28 and the upper frame 44 are connected to the rear frame. 46, and the lower frame 28 is stabilized even when the upper frame 44 is removed, and the rear frame 28 is stabilized. While capable of performing transmission case 12 around the maintenance or the like by removing the frame 46, on the top left and right of the fuel tank 30 is connected by a breather hose 51, to protect by fixing the breather hose 51 to the inner rear frame 46.

また、尾灯47、方向指示ランプ49、後方反射板、灯火計器類をリヤフレーム46に取付けて後部の電装ユニットを構成し、後方視界を妨げることなく、運転に支障が生じないように、尾灯47をリヤフレーム46上面よりも低く設けると共に、上部のフレーム44を取外してもリヤフレーム46を下部のフレーム28に支持させ、尾灯47及び方向指示ランプ49を残して上部のフレーム44を分離させ、輸送などを行える。また、各別に形成する左右のフェンダフレーム28と前後のセンタフレーム35・39の組合せによって運転席21周りの主フレームを構成し、駐車ブレーキレバー26をミッションケース12のブレーキアーム52にリンク機構53・54を介して連結させる中介ブレーキ軸55を後センタフレーム39に設けると共に、前記レバー26と、燃料フィードポンプ56と、後進検出センサ57と、左右燃料タンク30の接続ホースなどを、前センタフレーム35に設けるもので、変速レバー22・23及び油圧レバー24・25をミッションケース12側に設けることにより、左右のフェンダフレーム28にレバー支点及びリンク支点を設ける必要がなく、例えばリンク等を分離させることなくフェンダフレーム28を取外す作業を行える。   Further, the tail lamp 47, the direction indicator lamp 49, the rear reflector, and the lighting instrument are attached to the rear frame 46 to constitute the rear electrical unit so that the rear lamp is not obstructed and the rear lamp 47 is not hindered. Is provided lower than the upper surface of the rear frame 46, and even if the upper frame 44 is removed, the rear frame 46 is supported by the lower frame 28, and the upper frame 44 is separated, leaving the tail lamp 47 and the direction indicator lamp 49. And so on. Further, a main frame around the driver's seat 21 is configured by a combination of left and right fender frames 28 and front and rear center frames 35 and 39 formed separately, and the parking brake lever 26 is connected to the brake arm 52 of the transmission case 12 with a link mechanism 53. An intermediate brake shaft 55 is provided on the rear center frame 39 to be connected through the front center frame 35, and the lever 26, the fuel feed pump 56, the reverse movement detection sensor 57, the connection hose for the left and right fuel tanks 30 are connected to the front center frame 35. By providing the transmission levers 22 and 23 and the hydraulic levers 24 and 25 on the transmission case 12 side, it is not necessary to provide the lever fulcrum and the link fulcrum on the left and right fender frames 28, for example, separating the links and the like. Without removing the fender frame 28.

上記から明らかなように、ミッションケース12の上側に主フレーム28・35・39を介して運転席21を装設させるトラクタにおいて、左右フェンダフレーム28と前後センタフレーム35・39よって主フレーム28・35・39を分割形成し、例えばホイスト等の設備がなくても左右及び前後フレーム28・35・39の組付けまたは取外し作業などを行うことができると共に、前後フレーム35・39にレバーまたはリンク類を設けることによって左右フレーム28の脱着を容易に行うことができ、ミッションケース12回りのメンテナンスまたは修理などの作業性を向上させると共に、左右フレーム28の後側上方をリヤフレーム46によって連結し、尾灯47または方向指示ランプ49等をリヤフレーム46に設け、左右フレーム28の補強部材並びに機体後側の部品取付部材としてリヤフレーム46を活用して構成部品数を容易に低減でき、しかもランプ47・49をリヤフレーム46にユニット構成してハーネス等の収納及び保護などを容易に行うことができると共に、例えば梱包または輸送時に左右フレーム28上方のロプスフレーム44を取外してもリヤフレーム46を残してランプ47・49類を作動させることができる。   As is clear from the above, in the tractor in which the driver's seat 21 is mounted on the upper side of the mission case 12 via the main frame 28, 35, 39, the main frame 28, 35 is constituted by the left and right fender frames 28 and the front and rear center frames 35, 39. -39 can be divided and formed, for example, without attaching equipment such as a hoist, the left and right and front and rear frames 28, 35, 39 can be assembled or removed, and levers or links can be attached to the front and rear frames 35, 39. By providing, the left and right frames 28 can be easily attached and detached to improve workability such as maintenance or repair around the mission case 12, and the rear upper side of the left and right frames 28 are connected by the rear frame 46, and the tail lamp 47 Alternatively, a direction indicator lamp 49 or the like is provided on the rear frame 46, so By using the rear frame 46 as a reinforcing member for the vehicle 28 and as a component mounting member on the rear side of the machine body, the number of components can be easily reduced, and the lamps 47 and 49 are unitized in the rear frame 46 to store and protect harnesses and the like. For example, the lamps 47 and 49 can be operated while leaving the rear frame 46 even if the lops frame 44 above the left and right frames 28 is removed during packing or transportation.

さらに、図4、図11乃至図13に示す如く、左右フェンダフレーム28の前後2個所に受台58を固定させ、4個の防振ゴム59を4個所の各受台58に嵌着させ、メインステップ34に固定したピン60を防振ゴム59に上方から貫通させ、ピン60の下端部に抜止ピン61を差込み、前後及び左右の4個の防振ゴム59によってメインステップ34を支持するもので、メインステップ34が一体部品でフラットであり、メインステップ34上面側に段差がなく作業者が足を自由に配置でき、疲れにくく居住性に優れ、メインステップ34の部品点数が少なくても低コストで形成できる。また、メインステップ34の支持部に防振ゴム59を挾み込んだ4点支持の防振構造であり、ステップ34全面が防振のため作業者の疲れが少なく、各ステップ34が一体部品のため4点のみの防振ゴム59支持によって防振できると共に、ステップ34の剛性を増すために下面側を開放する箱形状に形成し、ステップ34の側面部62を防振ゴム59支持のストッパとして兼用し、ステップ34が他の部品に干渉するのを防止し、かつ構成部品点数を削減している。まt、あ抜止ピン61を手で抜き差し操作して脱着するから、例えばスパナ等の工具を用いることなくステップ34全体を取外すことができ、ミッションケース12上面側を広く開放でき、メンテナンス性が良いと共に、メインステップ34とサイドステップ33が同じ高さで各ステップ33・34に段差がなく作業者が躓くことがない。また、メインステップ34の力を受ける部位の裏面側にコの字形の補強フレーム63・64・65・66を固定させて縦横に延設させ、ステップ34の変形を防ぐ補強構造の簡素化並びに安定性の確保を図るもので、ハンドル20下方のステアリング下部カバー67並びに運転席21下方のシート下カバー68を取外すことなく、メインステップ34を取外し可能に形成し、組立性及びメンテナンス性を向上させている。   Further, as shown in FIGS. 4 and 11 to 13, the cradle 58 is fixed to the two front and rear portions of the left and right fender frames 28, and the four vibration isolating rubbers 59 are fitted to the four cradles 58. A pin 60 fixed to the main step 34 is passed through the anti-vibration rubber 59 from above, a retaining pin 61 is inserted into the lower end portion of the pin 60, and the main step 34 is supported by four front and rear and left and right anti-vibration rubbers 59. Thus, the main step 34 is an integral part and flat, there is no step on the upper surface side of the main step 34, the operator can freely place his / her feet, it is easy to get tired and is comfortable, and even if the number of parts in the main step 34 is small Can be formed at cost. The main step 34 has a four-point vibration-proof structure in which a vibration-proof rubber 59 is inserted in the support portion. The entire step 34 is vibration-proof so that the operator is less tired. Therefore, vibration can be prevented by supporting only four anti-vibration rubbers 59, and in order to increase the rigidity of step 34, it is formed in a box shape with the lower surface opened, and the side surface portion 62 of step 34 is used as a stopper for anti-vibration rubber 59 support. The step 34 also prevents the step 34 from interfering with other parts, and the number of components is reduced. Since the stopper pin 61 is manually inserted and removed, the entire step 34 can be removed without using a tool such as a spanner, and the upper surface side of the transmission case 12 can be opened widely, and maintenance is good. At the same time, the main step 34 and the side step 33 have the same height, and there is no step between the steps 33 and 34, so that the operator does not go away. In addition, the U-shaped reinforcing frames 63, 64, 65, 66 are fixed to the back side of the portion that receives the force of the main step 34 and extended vertically and horizontally, thereby simplifying and stabilizing the reinforcing structure that prevents the deformation of the step 34. The main step 34 can be removed without removing the steering lower cover 67 below the steering wheel 20 and the seat lower cover 68 below the driver's seat 21 to improve assemblability and maintainability. Yes.

上記から明らかなように、運転席21及びステップ34をミッションケース12の上方に装設させるトラクタにおいて、平滑な上面を有する単品部品によってステップ34を形成し、前記ステップ34を箱形状に形成して側面部62の内側を防振ゴム59を介して支持させ、ステップ34上面に段差がなく作業者が足を自由に配置でき、疲れにくく居住性に優れ且つ部品点数が少なく低コストでステップ34を構成できると共に、ステップ34の箱形状の側面部62によってステップ34の剛性を向上させかつ防振ゴム59のストッパとして作用させることができる。   As is clear from the above, in the tractor in which the driver's seat 21 and step 34 are installed above the mission case 12, step 34 is formed by a single part having a smooth upper surface, and the step 34 is formed in a box shape. The inside of the side surface portion 62 is supported via a vibration-proof rubber 59, and there is no step on the upper surface of the step 34 so that the operator can freely place his / her feet, which is less tiring, has better comfort, has fewer parts, and is less expensive. In addition to being configured, the box-shaped side surface 62 of step 34 can improve the rigidity of step 34 and act as a stopper for the vibration isolating rubber 59.

また、左右フレーム28の間にステップ34を独立して着脱自在に設け、ミッションケース12周辺の他のカバー類と関連させてステップ34を着脱させる面倒がなく、工具類を用いることなくステップ34を取外してミッションケース12上面側を大きく開放させることができ、メンテナンス作業など取扱い性の向上を図る。   In addition, the step 34 is detachably provided independently between the left and right frames 28, and there is no trouble of detaching the step 34 in relation to other covers around the mission case 12, and the step 34 can be performed without using tools. The upper surface side of the mission case 12 can be opened largely by removing the cover, thereby improving the handleability such as maintenance work.

さらに、図14に示す如く、防振ゴム59にストッパ69を取付け、防振ゴム59の硬度を下げてより振動を吸収でき、ストッパ69によって振れ幅を決めることができるように構成すると共に、B寸法幅内に防振部品であるステップ34とストッパ69が配設され、座金70とボルト71によって防振ゴム59を固定させ、ステップ34の板厚によってストッパ69の板厚を決定し、ステップ34の板厚が変更されてもストッパ69の板厚で調整できるもので、防振ゴム59の取付け面72とストッパ69の隙間であるA寸法を狭くしても、ストッパ69が防振ゴム59に当たるから、ストッパ69が取付け面72に当っても衝撃を減少でき、ストッパ69が作用する前に取付け面72に当たることによって簡易ストッパになり、ストッパ69取付け面72に当っても防振ゴム59によって衝撃が少なくなる。   Further, as shown in FIG. 14, a stopper 69 is attached to the vibration isolating rubber 59 so that the vibration of the vibration isolating rubber 59 can be lowered to absorb more vibration, and the vibration amplitude can be determined by the stopper 69. Steps 34 and stoppers 69, which are vibration-proof parts, are disposed within the width of the dimensions. The vibration-proof rubber 59 is fixed by the washer 70 and the bolt 71, and the thickness of the stopper 69 is determined by the thickness of the step 34. Even if the plate thickness is changed, it can be adjusted by the plate thickness of the stopper 69. Even if the dimension A, which is the gap between the mounting surface 72 of the vibration-proof rubber 59 and the stopper 69, is narrowed, the stopper 69 hits the vibration-proof rubber 59. Therefore, even if the stopper 69 hits the mounting surface 72, the impact can be reduced. When the stopper 69 hits the mounting surface 72 before the stopper 69 acts, the stopper 69 becomes a simple stopper. Even hit a 9 mounting surface 72 impact is reduced by the vibration-proof rubber 59.

さらに、図15に示す如く、シート下床面73に防振ゴム74を介してシート台75を設け、シート台75に前記運転席21を設けると共に、運転席21下面側のシート台75にオーディオユニット76を設けるもので、ハンドル20との位置関係及び居住性によって運転席21の高さが決定されるが、運転席21を取付けるシート下床面73の高さは自由に変更でき、運転席21下側の空間を有効に活用できると共に、空気調和関係部品に対して離反させてオーディオユニット76を設置させ、結露による損傷などを考慮する必要がない。また、オーディオユニット76の防振を運転席21の防振が兼ね、防振によるユニット76損傷を防ぎ、ユニット76の保護と防振部品点数の低減を行えると共に、運転席21を取外すことによってユニット76のメンテナンスを行え、例えばキャビン17上側のルーフにユニット76を組込む場合、キャビン17の屋根部材または内張り部材を外してメンテナンスを行う面倒があるが、前記の不具合をなくすことができ、しかも例えばキャビン17の構造に制限されることがないので、ユーザーの好みのユニット76を取付けることができ、しかも運転席21の下側は陰になって直射日光が当たるのを防ぎ、ユニット76を保護でき、キャビン17の屋根がないロプス仕様でもユニット76を設置でき、作業終了後にユニット76を簡単に取外すことができて持ち帰ることもできる。   Further, as shown in FIG. 15, a seat base 75 is provided on the seat lower floor surface 73 via an anti-vibration rubber 74, the driver seat 21 is provided on the seat base 75, and an audio is provided on the seat base 75 on the lower surface side of the driver seat 21. The unit 76 is provided, and the height of the driver's seat 21 is determined by the positional relationship with the handle 20 and the habitability. However, the height of the seat lower floor surface 73 to which the driver's seat 21 is attached can be freely changed. The space below 21 can be used effectively, and the audio unit 76 is installed away from the air-conditioning related parts, so that it is not necessary to consider damage due to condensation. Further, the vibration of the audio unit 76 is also used for the driver's seat 21 to prevent the unit 76 from being damaged due to the vibration, and the unit 76 can be protected and the number of vibration-proofing parts can be reduced. When the unit 76 is assembled into the roof on the upper side of the cabin 17, for example, the maintenance is performed by removing the roof member or the lining member of the cabin 17. Since it is not limited to the structure of 17, the user's favorite unit 76 can be attached, and the lower side of the driver's seat 21 is shaded to prevent direct sunlight and protect the unit 76. Unit 76 can be installed even in lops specifications where cabin 17 has no roof. It is also possible to take home can be to be removed.

トラクタの外観側面図。The external side view of a tractor. ミッションケース部の側面図。The side view of a mission case part. 同側面拡大図。The same side enlarged view. 同平面図。FIG. 同平面拡大図。The same plane enlarged view. 同背面図。The rear view. 同背面拡大図。FIG. 同背面拡大図。FIG. リヤフレーム部の側面図。The side view of a rear frame part. 同部の側面拡大図。The side enlarged view of the same part. ステップ部の平面図。The top view of a step part. 同側面図。The same side view. 同側面拡大図。The same side enlarged view. 防振ゴム部の説明図。Explanatory drawing of a vibration-proof rubber part. 運転席部の説明図。Explanatory drawing of a driver's seat part.

符号の説明Explanation of symbols

12 ミッションケース
21 運転席
28 フェンダフレーム
35・39 センタフレーム
46 リヤフレーム
47 尾灯
49 方向指示ランプ
12 Mission case 21 Driver's seat 28 Fender frame 35/39 Center frame 46 Rear frame 47 Taillight 49 Direction indicator lamp

Claims (3)

ミッションケースの上側に主フレームを介して運転席を装設させるトラクタにおいて、左右フレームと前後フレームによって主フレームを分割形成することを特徴とするトラクタ。   A tractor in which a driver's seat is installed on the upper side of a mission case via a main frame, wherein the main frame is divided and formed by a left and right frame and a front and rear frame. 左右フレームの後側上方をリヤフレームによって連結し、尾灯または方向指示ランプ等をリヤフレームに設けることを特徴とする請求項1に記載のトラクタ。   The tractor according to claim 1, wherein the rear upper side of the left and right frames is connected by a rear frame, and a tail lamp or a direction indicator lamp is provided on the rear frame. 左右のサイドステップ及び左右フェンダを左右フレームに設けることを特徴とする請求項1に記載のトラクタ。   The tractor according to claim 1, wherein left and right side steps and left and right fenders are provided on the left and right frames.
JP2003417395A 2003-12-16 2003-12-16 Tractor Expired - Fee Related JP4465184B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003417395A JP4465184B2 (en) 2003-12-16 2003-12-16 Tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003417395A JP4465184B2 (en) 2003-12-16 2003-12-16 Tractor

Publications (2)

Publication Number Publication Date
JP2005178403A true JP2005178403A (en) 2005-07-07
JP4465184B2 JP4465184B2 (en) 2010-05-19

Family

ID=34779904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003417395A Expired - Fee Related JP4465184B2 (en) 2003-12-16 2003-12-16 Tractor

Country Status (1)

Country Link
JP (1) JP4465184B2 (en)

Also Published As

Publication number Publication date
JP4465184B2 (en) 2010-05-19

Similar Documents

Publication Publication Date Title
US8419061B2 (en) Tractor
US7661502B2 (en) Parking brake system
US7690689B2 (en) Saddle-type vehicle
JP4857955B2 (en) Tractor
US20180273126A1 (en) Rear fender supporting structure of saddle-type vehicle
JP2008006981A5 (en)
CN111204395B (en) Saddle-ride type vehicle
JP6083358B2 (en) vehicle
JP2017109681A (en) Licence plate support structure of saddle-riding type vehicle
JP2005178490A (en) Tractor
JP2009006811A (en) Walking type working machine
JP4465184B2 (en) Tractor
JP2005178563A (en) Tractor
JP5469373B2 (en) Agricultural tractor
JP2007112233A (en) Working vehicle
JP2009090892A (en) Straddle-type vehicle
JP5782280B2 (en) Saddle riding
JP2005280634A (en) Hood structure of working car
JP2005178553A (en) Tractor
JP4412645B2 (en) Tractor
JP2004210080A (en) Steering shaft supporting structure of vehicle for travelling on irregular ground
JP5725805B2 (en) Passenger work vehicle
WO2012074072A1 (en) Saddled vehicle
JP4480566B2 (en) Motorcycle
JP6155858B2 (en) Motorcycle

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060509

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20060720

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20060720

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060801

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060825

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090408

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090604

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091021

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091113

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100210

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100222

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130226

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130226

Year of fee payment: 3

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130226

Year of fee payment: 3

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140226

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140226

Year of fee payment: 4

R370 Written measure of declining of transfer procedure

Free format text: JAPANESE INTERMEDIATE CODE: R370

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140226

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150226

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees