TW202003289A - Working vehicle improves the convenience of getting on and off - Google Patents

Working vehicle improves the convenience of getting on and off Download PDF

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Publication number
TW202003289A
TW202003289A TW108116891A TW108116891A TW202003289A TW 202003289 A TW202003289 A TW 202003289A TW 108116891 A TW108116891 A TW 108116891A TW 108116891 A TW108116891 A TW 108116891A TW 202003289 A TW202003289 A TW 202003289A
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TW
Taiwan
Prior art keywords
fuel tank
step portion
work vehicle
tool box
addition
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TW108116891A
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Chinese (zh)
Inventor
脇野崇
土居一紀
高橋誠之
伊賀上智弘
野原健司
山下智志
塚本清宏
Original Assignee
日商井關農機股份有限公司
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Priority claimed from JP2018105375A external-priority patent/JP6897634B2/en
Priority claimed from JP2018106253A external-priority patent/JP6915588B2/en
Application filed by 日商井關農機股份有限公司 filed Critical 日商井關農機股份有限公司
Publication of TW202003289A publication Critical patent/TW202003289A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
    • B60R3/002—Running boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B25H3/02—Boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/063—Arrangement of tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/073—Tank construction specially adapted to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/06—Arrangements for holding or mounting articles, not otherwise provided for for tools or spare parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/07—Water drainage or guide means not integral with roof structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles
    • B60Y2200/221—Tractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The object of the present invention is to improve the convenience of getting on and off a vehicle. The working vehicle (1) according to an embodiment includes a gearbox body (6) that receives a transmission (6a) transmitting the power from an engine (E) to a driving wheel, and supports the vehicle body portion (10); a fuel tank (11) that stores fuel supplied to the engine (E); a lower step portion (26) fixed to one side of the gearbox body (6); and an upper step portion (21) composed of a part of the fuel tank. The lower step portion (26) is disposed to a lower position than the upper step portion (21). The upper step portion (21) and the lower step portion (26) are formed in a stair shape.

Description

作業車輛Work vehicle

本發明涉及一種作業車輛。The invention relates to a work vehicle.

目前，在拖拉機等作業車輛中，習知的是，在前輪和後輪之間設置的燃料箱被用於供搭乘者上下時放置腳。在該作業車輛中，例如，為了兼顧實現燃料箱的容量增大，將燃料箱設置成下部向外側伸出的階梯狀的外形（例如，參照專利文獻1）。 [先前技術文獻] [專利文獻]At present, in work vehicles such as tractors, it is known that the fuel tank provided between the front wheel and the rear wheel is used for the occupant to place his feet when he goes up and down. In this work vehicle, for example, in order to achieve an increase in the capacity of the fuel tank, the fuel tank is provided with a stepped outer shape whose lower portion extends outward (see, for example, Patent Document 1). [Prior Technical Literature] [Patent Literature]

專利文獻1：日本專利公開2006-248490號公報Patent Literature 1: Japanese Patent Publication No. 2006-248490

[發明欲解決的課題][Problem to be solved by invention]

然而，在上述這樣的現有的作業車輛中，燃料箱的重量與儲存的燃料的重量一起增大，因此，必須將供搭乘者放置腳的燃料箱更加牢固地安裝，除此以外，例如在行駛於種植田等路況不良的道路上的情況下，燃料箱距離地面的高度變高，從而搭乘者難以上下。如上所述，現有的作業車輛的上下車方便性較差。However, in the above-mentioned conventional work vehicle, the weight of the fuel tank increases together with the weight of the stored fuel. Therefore, it is necessary to install the fuel tank on which the rider puts his foot more firmly. In the case of roads with poor road conditions such as planting fields, the height of the fuel tank from the ground becomes high, making it difficult for passengers to get on and off. As described above, conventional work vehicles have poor accessibility.

本發明是為了解決上述問題而提出的，其目的在於提供能夠提高上下車方便性的作業車輛。 [用於解決課題的手段]The present invention is made to solve the above-mentioned problems, and an object thereof is to provide a work vehicle that can improve the convenience of getting on and off. [Means for solving problems]

為了解決上述的課題而實現目的，技術方案1所述的作業車輛的特徵在於，所述作業車輛包括：變速箱體，收納將動力從發動機傳遞至驅動輪的變速器，且支承車體部；燃料箱，儲存向所述發動機供給的燃料；下部臺階部，固定於所述變速箱體側；以及上部臺階部，由所述燃料箱的一部分構成，所述下部臺階部配置於比所述上部臺階部靠下方的位置，並且，上部臺階部和下部臺階部形成為階梯狀。In order to solve the above-mentioned problems and achieve the objective, the work vehicle according to claim 1 is characterized in that the work vehicle includes a gearbox body that houses a transmission that transmits power from the engine to the drive wheels, and supports the vehicle body portion; fuel A tank that stores fuel supplied to the engine; a lower stepped portion fixed to the gearbox body side; and an upper stepped portion formed of a part of the fuel tank, the lower stepped portion being disposed higher than the upper stepped portion The portion is located below, and the upper step portion and the lower step portion are formed in a step shape.

技術方案2所述的作業車輛的特徵在於，在技術方案1所述的作業車輛中，所述下部臺階部被安裝於從下方支承所述燃料箱的下部燃料箱托架。The work vehicle according to claim 2 is characterized in that, in the work vehicle according to claim 1, the lower step portion is attached to a lower fuel tank bracket that supports the fuel tank from below.

技術方案3所述的作業車輛的特徵在於，在技術方案2所述的作業車輛中，所述上部臺階部包括：防滑用的多個孔；以及槽部，將從所述孔落下的落下物排出到外部。The work vehicle according to claim 3 is characterized in that in the work vehicle according to claim 2, the upper step portion includes: a plurality of holes for anti-skid; and a groove portion, a falling object falling from the hole Discharge to the outside.

技術方案4所述的作業車輛的特徵在於，在技術方案3所述的作業車輛中，將從所述發動機排出的廢氣進行淨化處理的廢氣淨化裝置配置於所述燃料箱上。The work vehicle according to claim 4 is characterized in that in the work vehicle according to claim 3, an exhaust gas purification device that purifies exhaust gas discharged from the engine is disposed on the fuel tank.

技術方案5所述的作業車輛的特徵在於，在技術方案1至4中任一項所述的作業車輛中，所述作業車輛包括：上部燃料箱托架，從上方支承所述燃料箱；以及工具箱固定部，設置於所述上部燃料箱托架，在所述燃料箱的上方將工具箱固定成裝卸自如。The work vehicle according to claim 5 is characterized in that the work vehicle according to any one of claims 1 to 4 includes: an upper fuel tank bracket that supports the fuel tank from above; and The toolbox fixing portion is provided on the upper fuel tank bracket, and fixes the toolbox above the fuel tank so as to be detachable.

技術方案6所述的作業車輛的特徵在於，在技術方案5所述的作業車輛中，所述工具箱為矩形箱狀，並包括：一對長邊形成面，在俯視時形成長邊；以及一對短邊形成面，在俯視時形成短邊，所述工具箱固定部具有：第一側面及第二側面，在所述工具箱被收納的狀態下分別與所述一對長邊形成面相面對；第三側面，在所述工具箱被收納的狀態下與所述一對短邊形成面中的任意一個短邊形成面相面對；開口部；偏壓部，設置於所述第三側面，朝向所述開口部對所述工具箱偏壓；以及卡合固定部，設置於所述開口部，將被所述偏壓部偏壓的所述工具箱卡合固定。The work vehicle according to claim 6 is characterized in that, in the work vehicle according to claim 5, the tool box has a rectangular box shape and includes: a pair of long-side forming surfaces that form long sides when viewed from above; and A pair of short-side forming surfaces, which form short sides in a plan view, the toolbox fixing portion has a first side surface and a second side surface, respectively facing the pair of long-side forming surfaces when the toolbox is stored Facing; the third side, facing any one of the pair of short-side forming surfaces of the pair of short-side forming surfaces in the state where the toolbox is stored; an opening; a biasing portion, provided on the third A side surface biases the toolbox toward the opening; and an engaging and fixing portion is provided in the opening to engage and fix the toolbox biased by the biasing portion.

技術方案7所述的作業車輛的特徵在於，在技術方案6所述的作業車輛中，所述工具箱固定部的所述卡合固定部包括突部，所述工具箱包括承受部，該承受部從所述短邊形成面突出，在該工具箱被收納的狀態下與所述突部卡合。 [發明效果]The work vehicle according to claim 7 is characterized in that in the work vehicle according to claim 6, the engagement fixing portion of the toolbox fixing portion includes a protrusion, and the toolbox includes a receiving portion, which receives The portion protrudes from the short-side forming surface, and is engaged with the protrusion when the tool box is stored. [Effect of the invention]

根據技術方案1所述的發明，藉由在比上部臺階部靠下方的位置配置下部臺階部，由此，容易上下車體部。由此，能夠提高上下車方便性。According to the invention described in claim 1, by arranging the lower step portion below the upper step portion, it is easy to get on and off the vehicle body portion. Thereby, the convenience of getting on and off the vehicle can be improved.

根據技術方案2所述的發明，由於利用下部燃料箱托架來支承燃料箱，因此，能夠將搭乘者在上下車時放置腳的燃料箱牢固地安裝於車體部。According to the invention described in claim 2, since the fuel tank is supported by the lower fuel tank bracket, it is possible to firmly mount the fuel tank on which the rider puts his foot when getting on and off the vehicle.

根據技術方案3所述的發明，除了技術方案2所述的發明的效果以外，在搭乘者將腳放置於上部臺階部的情況下，即使附著於搭乘者的腳下的泥等從防滑板的孔落下到燃料箱的上表面，也容易通過槽部向上表面的外部落下。由此，能夠提高清掃性。According to the invention described in claim 3, in addition to the effect of the invention described in claim 2, when the rider places his foot on the upper step, even if mud or the like adhered to the rider's foot comes from the hole of the skid plate If it falls to the upper surface of the fuel tank, it can easily fall through the groove to the outside of the upper surface. Thus, the cleaning performance can be improved.

根據技術方案4所述的發明，除了技術方案3所述的發明的效果以外，還能夠確保燃料箱的容量，且能夠確保配置廢氣淨化裝置的空間。在該情況下，不需要從下方支承廢氣淨化裝置的支承部件等，也能夠減少零件個數。According to the invention described in claim 4, in addition to the effects of the invention described in claim 3, the capacity of the fuel tank can be secured, and the space in which the exhaust gas purification device is arranged can be secured. In this case, there is no need to support the exhaust gas purification device from below, and the number of parts can also be reduced.

根據技術方案5所述的發明，除了技術方案1至4中任一項所述的發明的效果以外，還能夠確保設置工具箱的空間，並將工具箱支承固定於使用便利性良好的位置處。According to the invention described in claim 5, in addition to the effects of the invention described in any one of claims 1 to 4, space for the tool box can be secured, and the tool box can be supported and fixed at a position with good usability. .

根據技術方案6所述的發明，除了技術方案5所述的發明的效果以外，藉由利用卡合固定部將被偏壓部偏壓的工具箱卡合固定，從而在工具箱被收納的狀態下，能夠將工具箱固定於工具箱固定部。由此，即使在作業車輛的行駛中等產生振動，也能夠穩定地支承工具箱。According to the invention described in claim 6, in addition to the effects of the invention described in claim 5, the tool case biased by the biasing portion is engaged and fixed by the engagement fixing portion, so that the tool case is stored Next, the tool box can be fixed to the tool box fixing portion. Thus, even if vibration occurs during driving of the work vehicle, the tool box can be stably supported.

根據技術方案7所述的發明，除了技術方案6所述的發明的效果以外，藉由使鉤狀的突部與板狀的承受部卡合，由此，能夠將工具箱支承固定於工具箱固定部，從而能夠穩定地支承工具箱。According to the invention described in claim 7, in addition to the effect of the invention described in claim 6, by engaging the hook-shaped protrusion with the plate-shaped receiving portion, the tool box can be supported and fixed to the tool box The fixing portion can stably support the tool box.

以下，參照附圖，對本發明所公開的作業車輛的實施方式進行詳細說明。另外，本發明不受以下表示的實施方式限定。 ＜作業車輛（拖拉機）1的整體結構＞Hereinafter, embodiments of the work vehicle disclosed in the present invention will be described in detail with reference to the drawings. In addition, the present invention is not limited to the embodiments shown below. <Overall structure of work vehicle (tractor) 1>

首先，參照圖1，對作業車輛1的整體結構進行說明。圖1是實施方式所涉及的作業車輛1的說明圖，且是作業車輛1的概略左側視圖。另外，在以下，以拖拉機為例來說明作業車輛1。作為作業車輛的拖拉機1是一邊自由運行一邊在種植田等中進行作業的農用拖拉機。First, referring to FIG. 1, the overall structure of the work vehicle 1 will be described. FIG. 1 is an explanatory diagram of the work vehicle 1 according to the embodiment, and is a schematic left side view of the work vehicle 1. In the following, the work vehicle 1 will be described using a tractor as an example. The tractor 1 as a work vehicle is an agricultural tractor that works in a planting field or the like while running freely.

另外，在以下，前後方向是指拖拉機1直行時的行進方向，將行進方向的前方側規定為“前”，將後方側規定為“後”。拖拉機1的行進方向是指在直行時從後述的操縱席8朝向方向盤9的方向（參照圖1）。In addition, in the following, the front-rear direction refers to the traveling direction when the tractor 1 travels straight, and the front side of the traveling direction is defined as “front”, and the rear side is defined as “rear”. The traveling direction of the tractor 1 refers to the direction from the operator's seat 8 described later toward the steering wheel 9 when traveling straight (see FIG. 1 ).

左右方向是指對於前後方向水平地正交的方向。在以下，朝向“前”側來規定左右方向。即，在拖拉機1的操縱者（也稱為作業者）就座於操縱席8並朝向前方的狀態下，左手側為“左”，右手側為“右”。The left-right direction refers to a direction orthogonal to the front-back direction horizontally. In the following, the left-right direction is defined toward the "front" side. That is, in a state where the operator (also referred to as an operator) of the tractor 1 is seated on the operator's seat 8 and facing forward, the left-hand side is "left" and the right-hand side is "right".

上下方向為鉛直方向。前後方向、左右方向以及上下方向彼此垂直。另外，各方向是為了方便說明而定義的方向，這些方向並不用於限定本發明。另外，在以下有時將拖拉機1稱為“機體”。The vertical direction is vertical. The front-rear direction, the left-right direction, and the up-down direction are perpendicular to each other. In addition, each direction is a direction defined for convenience of description, and these directions are not intended to limit the present invention. In addition, in the following, the tractor 1 may be referred to as "machine body".

如圖1所示，拖拉機1包括機體架2、發動機E、發動機罩3、前輪4、後輪5以及變速箱體6。機體架2是將機體整體地支承的框架。發動機E是機體的驅動源，是柴油機、汽油機等的熱機。發動機E收納於發動機室的內部。As shown in FIG. 1, the tractor 1 includes a body frame 2, an engine E, an engine hood 3, front wheels 4, rear wheels 5, and a gearbox body 6. The body frame 2 is a frame that integrally supports the body. The engine E is a driving source of the body, and is a heat engine such as a diesel engine and a gasoline engine. The engine E is housed inside the engine room.

發動機罩3在機體前部以開閉自如的方式設置。發動機罩3覆蓋收納於發動機室的內部的發動機E。發動機罩3以關閉的狀態形成發動機室。The hood 3 is provided in a front part of the machine body so as to be opened and closed freely. The engine cover 3 covers the engine E housed in the engine room. The engine hood 3 forms an engine room in a closed state.

前輪4為左右一對，主要被作為轉向用的車輪，即，轉向輪。後輪5為左右一對，主要被作為驅動用的車輪，即，驅動輪。另外，拖拉機1也可以構成為，藉由切換從發動機E傳遞的動力，從而能夠在驅動後輪5的兩輪驅動（2WD）和將前輪4及後輪5一起驅動的四輪驅動（4WD）之間進行切換。在該情況下，驅動輪為前輪4和後輪5雙方。The front wheels 4 are a pair of left and right, and are mainly used as steering wheels, that is, steering wheels. The rear wheels 5 are a pair of left and right, and are mainly used as driving wheels, that is, driving wheels. In addition, the tractor 1 may be configured to switch the power transmitted from the engine E to enable two-wheel drive (2WD) driving the rear wheels 5 and four-wheel drive (4WD) driving the front wheels 4 and the rear wheels 5 together. To switch between. In this case, the driving wheels are both the front wheel 4 and the rear wheel 5.

變速箱體6設置於機體架2的下部。變速箱體6將變速器6a收納在內部，從收納於發動機室的內部的發動機E輸出的旋轉動力通過變速器6a適當減速後向作為驅動輪的後輪5傳遞。此外，變速箱體6從下方支承包含機體架2在內的拖拉機1的上半部、即車體部10。The gearbox body 6 is provided at the lower part of the body frame 2. The gearbox body 6 houses the transmission 6a inside, and the rotational power output from the engine E housed in the engine room is appropriately decelerated by the transmission 6a and then transmitted to the rear wheels 5 as drive wheels. In addition, the transmission case 6 supports the upper half of the tractor 1 including the machine frame 2, that is, the vehicle body 10 from below.

此外，拖拉機1包括駕駛艙7。駕駛艙7形成操縱空間，並在內部包括操縱席8和方向盤9。操縱席8為操縱者的座椅。方向盤9係在對作為轉向輪的前輪4進行轉向的情況下，由操縱者所操作。另外，在方向盤9的前方設置有顯示各種資訊的顯示部（儀錶板）。In addition, the tractor 1 includes a cockpit 7. The cockpit 7 forms a steering space, and includes a steering seat 8 and a steering wheel 9 inside. The control seat 8 is a seat of an operator. The steering wheel 9 is operated by an operator when steering the front wheel 4 as a steering wheel. In addition, a display portion (dashboard) that displays various kinds of information is provided in front of the steering wheel 9.

此外，在駕駛艙7的內部、例如在操縱席8的前方，設置有前進後退操作桿、加速桿等。此外，在駕駛艙7內、例如在操縱席8的右側，設置有主變速桿、副變速桿等。此外，在駕駛艙7內、例如在方向盤9的下方，設置有加速踏板、制動踏板、離合器踏板等。In addition, inside the cockpit 7, for example, in front of the operator's seat 8, a forward/reverse operation lever, an accelerator lever, and the like are provided. In addition, in the cockpit 7, for example, on the right side of the operating seat 8, a main shift lever, an auxiliary shift lever, and the like are provided. In addition, in the cockpit 7, for example, below the steering wheel 9, an accelerator pedal, a brake pedal, a clutch pedal, and the like are provided.

此外，拖拉機1包括動力輸出（PTO，Power Take-off）軸150。動力輸出軸150從變速箱體6向後方突出。動力輸出軸150將從發動機E輸出的旋轉動力傳遞到在種植田內進行作業的作業機。作業機例如為進行耕耘作業的旋轉式耕耘機、進行施肥作業的施肥機等。另外，拖拉機1除了包括動力輸出軸150以外，還在後部包括連結作業機的升降臂等。In addition, the tractor 1 includes a power take-off (PTO) shaft 150. The power output shaft 150 protrudes rearward from the transmission case 6. The power output shaft 150 transmits the rotational power output from the engine E to a working machine that works in the planting field. The working machine is, for example, a rotary cultivating machine that performs cultivating work, a fertilizing machine that performs fertilizing work, and the like. In addition, the tractor 1 includes, in addition to the power output shaft 150, a rear elevating arm to which the working machine is connected.

此外，拖拉機1包括發動機電子控制單元ECU（ECU，Electronic Control Unit）100。發動機電子控制單元100例如收納在發動機室的內部，對發動機E進行控制。發動機電子控制單元100例如與控制驅動輪（後輪5）的旋轉從而控制行駛速度的行駛系統電子控制單元、以及控制作業機的升降的作業機升降系統電子控制單元一起構成拖拉機1的驅動控制系統。 ＜機體左側的臺階部20（20L）＞In addition, the tractor 1 includes an engine electronic control unit (ECU, Electronic Control Unit) 100. The engine electronic control unit 100 is housed in an engine room, for example, and controls the engine E. The engine electronic control unit 100 constitutes a drive control system for the tractor 1 together with, for example, a travel system electronic control unit that controls the rotation of the drive wheels (rear wheels 5) to control the travel speed, and a work machine lift system electronic control unit that controls the lift of the work machine. . <Step 20 on the left side of the body (20L)>

接著，參照圖2A以及圖2B，對機體左側的臺階部20L進行說明。圖2A以及圖2B是表示機體左側的臺階部20L的立體圖。另外，圖2A以及圖2B均為從左斜上方觀察機體時的圖（立體圖）。此外，在圖2A中表示了在臺階部20L安裝有後述的防滑板24的狀態，在圖2B中表示了拆下防滑板24後的狀態。Next, the step portion 20L on the left side of the machine body will be described with reference to FIGS. 2A and 2B. 2A and 2B are perspective views showing the step portion 20L on the left side of the machine body. In addition, FIGS. 2A and 2B are diagrams (a perspective view) when the body is viewed obliquely from the upper left. In addition, FIG. 2A shows a state where the anti-skid plate 24 described later is attached to the step portion 20L, and FIG. 2B shows a state after the anti-skid plate 24 is removed.

如圖2A以及圖2B所示，拖拉機1包括燃料箱11。燃料箱11例如為樹脂製成，儲存向發動機E（參照圖1）供給的燃料。此外，燃料箱11設置在變速箱體6的至少左右任意一側。在本實施方式中，燃料箱11分別設置在變速箱體6的左右兩側。As shown in FIGS. 2A and 2B, the tractor 1 includes a fuel tank 11. The fuel tank 11 is made of resin, for example, and stores fuel supplied to the engine E (see FIG. 1 ). In addition, the fuel tank 11 is provided on at least one of the left and right sides of the transmission case 6. In the present embodiment, the fuel tanks 11 are respectively provided on the left and right sides of the transmission case 6.

另外，燃料箱11也可以構成為：燃料箱11在機體架2（參照圖1）的下部向左右方向延伸，該燃料箱11的左右兩端部配置在變速箱體6的左右兩側。此外，也可以構成為：燃料箱11配置在左右的一側，在左右的另一側配置用於儲存工作油的工作油箱。In addition, the fuel tank 11 may be configured such that the fuel tank 11 extends in the left-right direction at the lower portion of the body frame 2 (see FIG. 1 ), and the left and right ends of the fuel tank 11 are arranged on the left and right sides of the transmission case 6. In addition, the fuel tank 11 may be arranged on one side on the right and left, and a working oil tank for storing working oil may be arranged on the other side on the left and right.

如圖2A以及圖2B所示，對於機體左側的燃料箱11（11L）的外形而言，在正剖視圖中朝向機體外側的側面形成為階梯狀。即，燃料箱11L為下部比上部向外側（左側）突出的形狀。由此，對於燃料箱11L來說，能夠在抑制高度的同時增大燃料箱的容量。As shown in FIGS. 2A and 2B, the outer shape of the fuel tank 11 (11L) on the left side of the machine body is formed in a stepped shape in the front cross-sectional side surface facing the outside of the machine body. That is, the fuel tank 11L has a shape in which the lower portion protrudes outward (left side) from the upper portion. This allows the fuel tank 11L to increase the capacity of the fuel tank while suppressing the height.

此外，藉由使燃料箱11L形成為階梯狀的外形，由此來構成機體左側的臺階部20L中的上部臺階部21（21L）。上部臺階部21L包括平坦面22（22L）。平坦面22L在燃料箱11L上形成臺階。此外，上部臺階部21L包括槽部23（23L）和防滑板24（24L）。如圖2B所示，槽部23L設置於平坦面22L。In addition, by forming the fuel tank 11L into a stepped shape, the upper step portion 21 (21L) of the step portion 20L on the left side of the machine body is configured. The upper step portion 21L includes a flat surface 22 (22L). The flat surface 22L forms a step on the fuel tank 11L. In addition, the upper step portion 21L includes a groove portion 23 (23L) and a skid plate 24 (24L). As shown in FIG. 2B, the groove portion 23L is provided on the flat surface 22L.

槽部23L為多條的槽23a（23aL），藉由在中央部設置連通槽23b（23bL），從而使各個槽23aL連通。槽23aL從平坦面22L的內側（機體內側）連續至外側端部。如圖2A所示，防滑板24L安裝在平坦面22L上而覆蓋槽部23L。防滑板24L例如為金屬製成。防滑板24L包括藉由防滑加工而形成的多個孔24a（24aL）。The groove portion 23L is a plurality of grooves 23a (23aL), and by providing a communication groove 23b (23bL) in the center portion, each groove 23aL communicates. The groove 23aL continues from the inside of the flat surface 22L (inside of the machine body) to the outside end. As shown in FIG. 2A, the anti-skid plate 24L is attached to the flat surface 22L to cover the groove portion 23L. The anti-skid plate 24L is made of metal, for example. The anti-skid plate 24L includes a plurality of holes 24a (24aL) formed by anti-skid processing.

如上所述，藉由在平坦面22L上安裝防滑板24L，從而能夠提高作為搭乘者放置腳的面的平坦面22L的強度。另外，由於設置槽部23L而降低了的強度也能夠由防滑板24L得到加強。此外，藉由對防滑板24L實施防滑加工（即，孔24aL），從而能夠提高安全性。As described above, by attaching the anti-skid plate 24L to the flat surface 22L, the strength of the flat surface 22L, which is the surface on which the rider places the foot, can be improved. In addition, the strength reduced by providing the groove portion 23L can also be reinforced by the anti-skid plate 24L. In addition, by performing anti-slip processing on the anti-skid plate 24L (that is, the hole 24aL), it is possible to improve safety.

此外，如圖2B所示，例如，藉由在埋入到樹脂製成的燃料箱11L的平坦面22L中的螺紋孔部件25a上緊固螺釘等緊固件，從而將防滑板24L安裝在平坦面22L上。In addition, as shown in FIG. 2B, for example, by fastening fasteners such as screws to the screw hole member 25a embedded in the flat surface 22L of the fuel tank 11L made of resin, the anti-skid plate 24L is mounted on the flat surface 22L.

拖拉機1除了包括上部臺階部21L來作為臺階部20L以外，還包括下部臺階部26（26L）來作為臺階部20L。如圖2A以及圖2B所示，下部臺階部26L配置在比上部臺階部21L靠下方的位置。如上所述，藉由使下部臺階部26L位於上部臺階部21L的下方，上部臺階部21L和下部臺階部26L形成為階梯狀，從而搭乘者能夠將腳放置於下部臺階部26L，由此能夠更加容易地上下車。 ＜機體左側的燃料箱托架30（30L）＞In addition to the upper step portion 21L as the step portion 20L, the tractor 1 includes the lower step portion 26 (26L) as the step portion 20L. As shown in FIGS. 2A and 2B, the lower step portion 26L is arranged below the upper step portion 21L. As described above, by positioning the lower step portion 26L below the upper step portion 21L, the upper step portion 21L and the lower step portion 26L are formed in a stepped shape, so that the rider can place the foot on the lower step portion 26L, thereby making it possible to Get on and off easily. <Fuel tank bracket 30 (30L) on the left side of the body>

接著，參照圖3，對機體左側的燃料箱托架30L進行說明。圖3是表示機體左側的燃料箱托架30L的立體圖。機體左側的燃料箱托架30L設置於成為變速箱體6的機體外側的左側。Next, referring to FIG. 3, the fuel tank bracket 30L on the left side of the machine body will be described. FIG. 3 is a perspective view showing the fuel tank bracket 30L on the left side of the machine body. The fuel tank bracket 30L on the left side of the machine body is provided on the left side outside the machine body of the transmission case 6.

如圖3所示，燃料箱托架30L包括上部燃料箱托架31（31L）和下部燃料箱托架34（34L）。上部燃料箱托架31L包括連結部32（32L）和上部支承部33（33L）。連結部32L的基端側被固定於變速箱體6的外側部的上部，上部支承部33L被設置在連結部32L的末端側。As shown in FIG. 3, the fuel tank bracket 30L includes an upper fuel tank bracket 31 (31L) and a lower fuel tank bracket 34 (34L). The upper fuel tank bracket 31L includes a coupling portion 32 (32L) and an upper support portion 33 (33L). The proximal end side of the coupling portion 32L is fixed to the upper portion of the outer portion of the transmission case 6, and the upper support portion 33L is provided on the distal end side of the coupling portion 32L.

上部支承部33L為彎曲形成的板部件，上部支承部33L從後方一直到下方將燃料箱11L（參照圖2A以及圖2B）抱在裡面，且從上方懸吊支承燃料箱11L。即，上部燃料箱托架31L被固定於變速箱體6，並從上方支承燃料箱11L。The upper support portion 33L is a plate member formed by bending. The upper support portion 33L holds the fuel tank 11L (see FIGS. 2A and 2B) from the rear to the bottom, and suspends and supports the fuel tank 11L from above. That is, the upper fuel tank bracket 31L is fixed to the transmission case 6 and supports the fuel tank 11L from above.

下部燃料箱托架34L包括下部支承部35（35L）。下部支承部35L的基端側被固定於變速箱體6的外側部的下部。此外，下部支承部35L在末端側從下方支承燃料箱11L。The lower fuel tank bracket 34L includes a lower support 35 (35L). The base end side of the lower support portion 35L is fixed to the lower portion of the outer portion of the transmission case 6. In addition, the lower support portion 35L supports the fuel tank 11L from below on the tip side.

此外，如圖3所示，在下部燃料箱托架34L上安裝有下部臺階部26L。即，下部臺階部26L的基端側固定於下部燃料箱托架34L，在下部臺階部26L的末端側形成有臺階部。 ＜機體右側的臺階部20（20R）＞In addition, as shown in FIG. 3, a lower step portion 26L is attached to the lower fuel tank bracket 34L. That is, the base end side of the lower step portion 26L is fixed to the lower fuel tank bracket 34L, and a step portion is formed on the tip side of the lower step portion 26L. ＜Step 20 on the right side of the machine body (20R)＞

接著，參照圖4A以及圖4B，對機體右側的臺階部20R進行說明。圖4A以及圖4B是表示機體右側的臺階部20R的立體圖。另外，圖4A以及圖4B均為從右斜上方觀察機體時的圖（立體圖）。此外，在圖4B中表示了設置有後述的廢氣淨化裝置40的狀態。Next, the step portion 20R on the right side of the machine body will be described with reference to FIGS. 4A and 4B. 4A and 4B are perspective views showing the step portion 20R on the right side of the machine body. In addition, FIGS. 4A and 4B are diagrams (a perspective view) when the body is viewed obliquely from the upper right. In addition, FIG. 4B shows a state where the exhaust gas purification device 40 described later is installed.

如圖4A以及圖4B所示，對於機體右側的燃料箱11（11R）的外形而言，在正剖視圖下朝向機體外側的側面形成為階梯狀。即，燃料箱11R為下部比上部向外側（左側）突出的形狀。由此，能夠抑制燃料箱11R的高度且能夠增大燃料箱的容量。As shown in FIGS. 4A and 4B, the outer shape of the fuel tank 11 (11R) on the right side of the machine body is formed in a stepped shape on the side surface facing the outside of the machine body in a front cross-sectional view. That is, the fuel tank 11R has a shape in which the lower portion protrudes outward (left side) from the upper portion. Thereby, the height of the fuel tank 11R can be suppressed and the capacity of the fuel tank can be increased.

此外，燃料箱11R為階梯狀的外形，從而構成了機體右側的臺階部20R中的上部臺階部21（21R）。上部臺階部21R包括平坦面22（22R）。平坦面22R在燃料箱11R上形成臺階。此外，上部臺階部21R包括槽部和防滑板24（24R）。槽部被設置於平坦面22R。In addition, the fuel tank 11R has a stepped outer shape, which constitutes an upper step portion 21 (21R) of the step portion 20R on the right side of the machine body. The upper step portion 21R includes a flat surface 22 (22R). The flat surface 22R forms a step on the fuel tank 11R. In addition, the upper step portion 21R includes a groove portion and a skid plate 24 (24R). The groove portion is provided on the flat surface 22R.

槽部與上述的機體左側的槽部23L（參照圖2B）同樣地為多條的槽，藉由在中央部設置連通槽，從而使各個槽連通。槽從平坦面22R的內側（機體內側）連續至外側端部。防滑板24R安裝在平坦面22R上而覆蓋槽部23R。防滑板24R例如為金屬製成。防滑板24R包括藉由防滑加工而形成的多個孔24a（24aR）。The groove portion is a plurality of grooves similar to the groove portion 23L (see FIG. 2B) on the left side of the machine body described above, and by providing a communication groove in the center portion, each groove is communicated. The groove continues from the inner side (inside of the body) of the flat surface 22R to the outer end. The anti-skid plate 24R is mounted on the flat surface 22R to cover the groove portion 23R. The anti-skid plate 24R is made of metal, for example. The anti-skid plate 24R includes a plurality of holes 24a (24aR) formed by anti-skid processing.

如上所述，藉由安裝防滑板24R，從而能夠提高平坦面22R的強度，由於設置槽部而降低了的強度也能夠由防滑板24R來得到加強。此外，藉由對防滑板24R實施防滑加工（孔24aR），從而能夠提高安全性。As described above, by installing the anti-skid plate 24R, the strength of the flat surface 22R can be increased, and the strength reduced by providing the groove portion can also be reinforced by the anti-skid plate 24R. In addition, by performing anti-skid processing (hole 24aR) on the anti-skid plate 24R, it is possible to improve safety.

此外，例如藉由向埋入樹脂製的燃料箱11R的平坦面22R中的螺紋孔部件緊固螺釘等緊固件25b，由此將防滑板24R安裝在平坦面22R上。In addition, for example, by fastening fasteners 25b such as screws to threaded hole members embedded in the flat surface 22R of the fuel tank 11R made of resin, the anti-skid plate 24R is attached to the flat surface 22R.

拖拉機1除了包括上部臺階部21R來作為臺階部20R以外，還包括下部臺階部26（26R）來作為臺階部20R。如圖4A以及圖4B所示，下部臺階部26R配置在比上部臺階部21R靠下方的位置。如上所述，藉由使下部臺階部26R位於上部臺階部21R的下方，上部臺階部21R和下部臺階部26R形成為階梯狀，從而搭乘者能夠將腳放置於下部臺階部26R，由此能夠更加容易地上下車。In addition to the upper step portion 21R as the step portion 20R, the tractor 1 includes the lower step portion 26 (26R) as the step portion 20R. As shown in FIGS. 4A and 4B, the lower step portion 26R is arranged below the upper step portion 21R. As described above, by positioning the lower step portion 26R below the upper step portion 21R, the upper step portion 21R and the lower step portion 26R are formed in a stepped shape, so that the rider can place the foot on the lower step portion 26R, thereby making it possible Get on and off easily.

在此，如圖4B所示，拖拉機1包括廢氣淨化裝置40。廢氣淨化裝置40對從發動機E（參照圖1）排出的廢氣進行淨化處理。廢氣淨化裝置40例如包括使一氧化氮有效率地氧化的氧化催化器（DOC，Diesel Oxidation Catalyst）的功能，並具有利用從尿素水溶液（以下稱為尿素水）產生的氨進行選擇性催化還原的選擇性催化還原器（SCR，Selective Catalytic Reduction）41。Here, as shown in FIG. 4B, the tractor 1 includes an exhaust gas purification device 40. The exhaust gas purification device 40 purifies the exhaust gas discharged from the engine E (see FIG. 1 ). The exhaust gas purification device 40 includes, for example, a function of an oxidation catalyst (DOC, Diesel Oxidation Catalyst) that efficiently oxidizes nitric oxide, and has a selective catalytic reduction using ammonia generated from an aqueous urea solution (hereinafter referred to as urea water) Selective Catalytic Reduction (SCR) 41.

如圖4A所示，燃料箱11R在前部包括前部平坦面27。前部平坦面27從構成上部臺階部21R的平坦面22R連續地形成。在前部平坦面27上設置有選擇性催化還原器托架28。在選擇性催化還原器托架28上安裝有選擇性催化還原器41。選擇性催化還原器41藉由安裝於選擇性催化還原器托架28而配置在燃料箱11R的前部。As shown in FIG. 4A, the fuel tank 11R includes a front flat surface 27 at the front. The front flat surface 27 is continuously formed from the flat surface 22R constituting the upper step portion 21R. A selective catalytic reducer bracket 28 is provided on the front flat surface 27. The selective catalytic reducer 41 is mounted on the selective catalytic reducer bracket 28. The selective catalytic reducer 41 is arranged in front of the fuel tank 11R by being attached to the selective catalytic reducer bracket 28.

如上所述，藉由將選擇性催化還原器41配置於燃料箱11R，從而能夠確保燃料箱11R的容量，且能夠確保配置選擇性催化還原器41，即，配置廢氣淨化裝置40的空間。在該情況下，不需要從下方支承選擇性催化還原器41的支承部件等，也能夠減少零件個數。 ＜機體右側的燃料箱托架30（30R）＞As described above, by arranging the selective catalytic reducer 41 in the fuel tank 11R, the capacity of the fuel tank 11R can be ensured, and the space in which the selective catalytic reducer 41, that is, the exhaust gas purification device 40 is arranged can be secured. In this case, there is no need for a supporting member or the like that supports the selective catalytic reducer 41 from below, and the number of parts can also be reduced. <Fuel tank bracket 30 (30R) on the right side of the body>

接著，參照圖5，對機體右側的燃料箱托架30R進行說明。圖5是表示機體右側的燃料箱托架30R的立體圖。機體右側的燃料箱托架30R設置在成為變速箱體6的機體外側的右側。Next, referring to FIG. 5, the fuel tank bracket 30R on the right side of the machine body will be described. FIG. 5 is a perspective view showing the fuel tank bracket 30R on the right side of the machine body. The fuel tank bracket 30R on the right side of the machine body is provided on the right side outside the machine body of the transmission case 6.

如圖5所示，燃料箱托架30R包括上部燃料箱托架31（31R）和下部燃料箱托架34（34R）。上部燃料箱托架31R包括連結部32（32R）和上部支承部33（33R）。連結部32R的基端側固定於變速箱體6的外側部的上部，上部支承部33R被設置於連結部32R的末端側。As shown in FIG. 5, the fuel tank bracket 30R includes an upper fuel tank bracket 31 (31R) and a lower fuel tank bracket 34 (34R). The upper fuel tank bracket 31R includes a coupling portion 32 (32R) and an upper support portion 33 (33R). The base end side of the coupling portion 32R is fixed to the upper portion of the outer portion of the transmission case 6, and the upper support portion 33R is provided on the tip side of the coupling portion 32R.

上部支承部33R是彎曲形成的板部件，從後方一直到下方將燃料箱11R（參照圖4A以及圖4B）抱在裡面，且從上方懸吊支承燃料箱11R。即，上部燃料箱托架31R固定於變速箱體6，並從上方支承燃料箱11R。The upper support portion 33R is a curved plate member, holds the fuel tank 11R (see FIGS. 4A and 4B) from the rear to the bottom, and suspends and supports the fuel tank 11R from above. That is, the upper fuel tank bracket 31R is fixed to the transmission case 6 and supports the fuel tank 11R from above.

下部燃料箱托架34R包括下部支承部35（35R）。下部支承部35R的基端側固定於變速箱體6的外側部的下部。此外，下部支承部35R在末端側從下方支承燃料箱11R。The lower fuel tank bracket 34R includes a lower support 35 (35R). The base end side of the lower support portion 35R is fixed to the lower portion of the outer portion of the transmission case 6. In addition, the lower support portion 35R supports the fuel tank 11R from below on the tip side.

此外，如圖5所示，在下部燃料箱托架34R安裝有下部臺階部26R。即，下部臺階部26R的基端側固定於下部燃料箱托架34R，在下部臺階部26R的末端側形成有臺階部。In addition, as shown in FIG. 5, a lower step portion 26R is attached to the lower fuel tank bracket 34R. That is, the base end side of the lower step portion 26R is fixed to the lower fuel tank bracket 34R, and a step portion is formed on the tip side of the lower step portion 26R.

在此，返回到圖2A、圖2B以及圖3，對於儲存向選擇性催化還原器41供給的尿素水的尿素水箱50的安裝進行說明。如圖2A以及圖2B所示，拖拉機1在機體左側的燃料箱11L的前方包括尿素水箱50。Here, returning to FIGS. 2A, 2B, and 3, the installation of the urea water tank 50 storing the urea water supplied to the selective catalytic reduction unit 41 will be described. As shown in FIGS. 2A and 2B, the tractor 1 includes a urea water tank 50 in front of the fuel tank 11L on the left side of the machine body.

此外，如圖3所示，拖拉機1包括支承尿素水箱50的尿素水箱托架51。尿素水箱托架51被固定於與配置有廢氣淨化裝置40（選擇性催化還原器41）的燃料箱11R（參照圖4A以及圖4B）左右相反的一側的燃料箱11L上。在尿素水箱托架51上安裝有尿素水箱50。In addition, as shown in FIG. 3, the tractor 1 includes a urea water tank bracket 51 that supports the urea water tank 50. The urea water tank bracket 51 is fixed to the fuel tank 11L on the opposite side to the left and right of the fuel tank 11R (see FIGS. 4A and 4B) in which the exhaust gas purification device 40 (selective catalytic reducer 41) is disposed. The urea water tank 50 is attached to the urea water tank bracket 51.

如上所述，尿素水箱托架固定於與配置有選擇性催化還原器41的燃料箱11R相反的一側的燃料箱11L上，從而能夠使尿素水箱50穩定在隔著變速箱體6與選擇性催化還原器41相反的一側。此外，由於尿素水箱50處於選擇性催化還原器41的相反側，因此，機體平衡性良好。As described above, the urea water tank bracket is fixed to the fuel tank 11L on the side opposite to the fuel tank 11R on which the selective catalytic reducer 41 is disposed, so that the urea water tank 50 can be stabilized with the selective The opposite side of the catalytic reducer 41. In addition, since the urea water tank 50 is on the opposite side of the selective catalytic reducer 41, the body balance is good.

此外，根據上述的實施方式的作業車輛（拖拉機）1，藉由分別固定於變速箱體6的上部燃料箱托架31以及下部燃料箱托架34來支承燃料箱11，因此，能夠將搭乘者在上下時放置腳的燃料箱11牢固地安裝於車體部10。In addition, according to the work vehicle (tractor) 1 of the above-described embodiment, the fuel tank 11 is supported by the upper fuel tank bracket 31 and the lower fuel tank bracket 34 that are respectively fixed to the transmission case 6, so the passenger can be The fuel tank 11 on which the foot is placed when going up and down is firmly attached to the vehicle body portion 10.

此外，在形成於燃料箱11的上部臺階部21和地面之間存在安裝於下部燃料箱托架34的下部臺階部26。從而能夠容易上下車體部10。由此，能夠提高上下車方便性。In addition, there is a lower step portion 26 attached to the lower fuel tank bracket 34 between the upper step portion 21 formed on the fuel tank 11 and the ground. This makes it easy to get on and off the vehicle body 10. Thereby, the convenience of getting on and off the vehicle can be improved.

此外，藉由在平坦面22上設置槽部23，從而在搭乘者將腳放置於上部臺階部21的情況下，即使附著於搭乘者的腳下的泥等從防滑板24的孔24a掉落到平坦面22上，也容易通過槽部23向平坦面22的外部掉落。由此，能夠提高清掃性。 ＜工具箱60以及工具箱固定部70＞In addition, by providing the groove portion 23 on the flat surface 22, when the rider places his foot on the upper step portion 21, even if mud or the like attached to the rider's foot falls from the hole 24a of the anti-skid plate 24 to Even on the flat surface 22, it is easy to drop outside the flat surface 22 through the groove portion 23. Thus, the cleaning performance can be improved. <Toolbox 60 and toolbox fixing part 70>

接著，參照圖6至圖8，對工具箱60以及工具箱固定部70進行說明。圖6是表示工具箱60的收納狀態的立體圖。圖7是表示工具箱60的立體圖。圖8是表示工具箱固定部70的立體圖。另外，圖6以及圖8是從右斜上方觀察工具箱固定部70（以及工具箱60）的圖（立體圖）。Next, the tool box 60 and the tool box fixing portion 70 will be described with reference to FIGS. 6 to 8. FIG. 6 is a perspective view showing the storage state of the tool box 60. FIG. 7 is a perspective view showing the tool box 60. FIG. 8 is a perspective view showing the tool box fixing part 70. In addition, FIGS. 6 and 8 are views (perspective views) of the tool box fixing portion 70 (and the tool box 60) viewed diagonally from the upper right.

拖拉機1在機體中收納有工具箱60，在該工具箱60中收納有用於裝卸附件等的工具。另外，拖拉機1包括廢氣淨化裝置40（選擇性催化還原器41），因此，除了設置選擇性催化還原器41的空間以外，還另外確保有用於支承固定工具箱60的空間。The tractor 1 houses a tool case 60 in the machine body, and tools for attaching and detaching accessories and the like are stored in the tool case 60. In addition, the tractor 1 includes the exhaust gas purification device 40 (selective catalytic reducer 41 ). Therefore, in addition to the space where the selective catalytic reducer 41 is installed, a space for supporting and fixing the tool box 60 is additionally secured.

如圖6所示，拖拉機1包括固定工具箱60的工具箱固定部70。工具箱固定部70設置於機體右側的上部燃料箱托架31R，在變速箱體6的側邊（右方）且上部燃料箱托架31R的上方，裝卸自如地固定有工具箱60。As shown in FIG. 6, the tractor 1 includes a tool box fixing portion 70 that fixes the tool box 60. The tool box fixing portion 70 is provided on the upper fuel tank bracket 31R on the right side of the machine body, and the tool box 60 is detachably fixed on the side (right side) of the transmission case 6 and above the upper fuel tank bracket 31R.

如圖7所示，工具箱60為矩形箱狀。工具箱60包括長邊形成面61、短邊形成面62、底面63和蓋面64。長邊形成面61是工具箱60的側周面的一部分，且是在工具箱60的俯視圖（上表面圖）中形成長邊的一對面。短邊形成面62為工具箱60的側周面的一部分，且是在工具箱60的俯視圖（上表面圖）中形成短邊的一對面。As shown in FIG. 7, the tool box 60 has a rectangular box shape. The tool case 60 includes a long side forming surface 61, a short side forming surface 62, a bottom surface 63, and a cover surface 64. The long-side forming surface 61 is a part of the side peripheral surface of the tool box 60 and is a pair of surfaces forming long sides in a plan view (upper surface view) of the tool box 60. The short-side forming surface 62 is a part of the side peripheral surface of the tool box 60 and is a pair of surfaces forming short sides in a plan view (upper surface view) of the tool box 60.

底面63是被長邊形成面61和短邊形成面62包圍的固定面。蓋面64為工具箱60的頂面，且藉由鉸鏈64a安裝於一對長邊形成面61中的任一個長邊形成面61，由此被設置為能夠開閉。The bottom surface 63 is a fixed surface surrounded by the long-side forming surface 61 and the short-side forming surface 62. The cover surface 64 is the top surface of the tool box 60, and is attached to any one of the pair of long-side forming surfaces 61 by the hinge 64a, thereby being opened and closed.

此外，工具箱60包括把手65。把手65被設置在一對短邊形成面62中的任一個短邊形成面62上。另外，在工具箱60中，設置有把手65的短邊形成面62成為前表面（工具箱60的收納狀態下的跟前側的面），沒有設置把手65的短邊形成面62成為後表面（工具箱60的收納狀態下的遠端側的面）。並且，工具箱60包括板狀的承受部66。In addition, the tool box 60 includes a handle 65. The handle 65 is provided on any one of the pair of short-side forming surfaces 62. In addition, in the tool case 60, the short side forming surface 62 provided with the handle 65 becomes the front surface (the surface on the near side in the storage state of the tool case 60), and the short side forming surface 62 without the handle 65 becomes the rear surface ( (The surface on the far side in the storage state of the tool case 60). In addition, the tool box 60 includes a plate-shaped receiving portion 66.

承受部66設置在成為前表面的短邊形成面62上，並從該短邊形成面62突出。承受部66在工具箱60被收納的狀態下與後述的卡合固定部77的突部77a卡合。另外，關於承受部66，也可以是，在成為前表面的短邊形成面62的下部形成狹縫，承受部66由該狹縫構成。The receiving portion 66 is provided on the short-side forming surface 62 that becomes the front surface, and protrudes from the short-side forming surface 62. The receiving portion 66 is engaged with the protrusion 77 a of the engagement fixing portion 77 described later in a state where the tool box 60 is stored. In addition, regarding the receiving portion 66, a slit may be formed at a lower portion of the short-side forming surface 62 that becomes the front surface, and the receiving portion 66 may be configured by the slit.

如圖8所示，工具箱固定部70如上所述設置在機體右側的燃料箱11R的上方。工具箱固定部70包括第一側面71、第二側面72、第三側面73、開口部（也稱為開口面）74和支承面75。As shown in FIG. 8, the tool box fixing portion 70 is provided above the fuel tank 11R on the right side of the machine body as described above. The tool box fixing portion 70 includes a first side surface 71, a second side surface 72, a third side surface 73, an opening (also referred to as an opening surface) 74, and a support surface 75.

第一側面71是在工具箱60（參照圖6）被收納的狀態下與一個（前方的）長邊形成面61面對的面。此外，第二側面72是在工具箱60被收納的狀態下與另一個（後方的）長邊形成面61面對的面。此外，在第一側面71以及第二側面72中的至少任一個面上，設置有向左右方向引導工具箱60滑動的引導部78。The first side surface 71 is a surface that faces one (front) long side forming surface 61 in a state where the tool case 60 (refer to FIG. 6) is stored. In addition, the second side surface 72 is a surface facing the other (rear) long side forming surface 61 in the state where the tool case 60 is stored. In addition, at least one of the first side surface 71 and the second side surface 72 is provided with a guide portion 78 that guides the tool box 60 to slide in the left-right direction.

此外，第三側面73是在工具箱60被收納的狀態下與設置有把手65（參照圖6）的面（短邊形成面62）的相反側的短邊形成面62相面對的面。開口部74在工具箱60被收納的狀態下使設置有把手65的短邊形成面62開放。支承面75是在工具箱60被收納的狀態下與底面63相面對的面，且是從下方支承工具箱60的面。In addition, the third side surface 73 is a surface facing the short-side forming surface 62 on the opposite side to the surface (short-side forming surface 62) provided with the handle 65 (see FIG. 6) in the state where the tool case 60 is stored. The opening 74 opens the short-side forming surface 62 provided with the handle 65 in a state where the tool case 60 is stored. The support surface 75 is a surface facing the bottom surface 63 in a state where the tool case 60 is stored, and is a surface that supports the tool case 60 from below.

此外，如圖8所示，工具箱固定部70還包括偏壓部76和卡合固定部77。偏壓部76設置於第三側面73，對支承於支承面75的工具箱60朝向開口部74偏壓。偏壓部76例如由板簧構成。另外，偏壓部76也可以由例如螺旋彈簧等、除板簧以外的偏壓部件構成。In addition, as shown in FIG. 8, the tool box fixing portion 70 further includes a biasing portion 76 and an engagement fixing portion 77. The biasing portion 76 is provided on the third side surface 73 and biases the tool box 60 supported on the support surface 75 toward the opening 74. The bias portion 76 is composed of, for example, a leaf spring. In addition, the biasing portion 76 may be composed of a biasing member other than a plate spring, such as a coil spring.

卡合固定部77設置於開口部74，以使支承於支承面75且被偏壓部76偏壓的工具箱60停留在支承面75上的方式將工具箱60卡合固定。卡合固定部77包括鉤狀的突部77a。突部77a在工具箱60被收納的狀態下朝向設置有把手65的短邊形成面62彎曲形成。The engagement fixing portion 77 is provided in the opening 74 to engage and fix the tool box 60 so that the tool box 60 supported on the support surface 75 and biased by the biasing portion 76 stays on the support surface 75. The engagement fixing portion 77 includes a hook-shaped protrusion 77a. The protrusion 77a is formed by being bent toward the short-side forming surface 62 provided with the handle 65 in a state where the tool case 60 is stored.

根據實施方式所涉及的作業車輛（拖拉機）1，無論是否存在廢氣淨化裝置40（選擇性催化還原器41），均能夠確保設置工具箱60的空間，並將工具箱60支承固定於使用便利性良好的位置。According to the work vehicle (tractor) 1 according to the embodiment, regardless of the presence or absence of the exhaust gas purification device 40 (selective catalytic reducer 41), it is possible to secure a space for installing the tool box 60, and support and fix the tool box 60 to ease of use Good location.

此外，被偏壓部76偏壓的工具箱60被卡合固定部77卡合固定，由此，工具箱60被收納的狀態下，能夠將工具箱60固定於工具箱固定部70。由此，即使在拖拉機1的行駛中等產生振動，也能夠穩定地支承工具箱60。此外，由於在工具箱60設置有把手65，因此易於取出工具箱60。In addition, the tool box 60 biased by the biasing portion 76 is engaged and fixed by the engagement fixing portion 77, whereby the tool box 60 can be fixed to the tool box fixing portion 70 with the tool box 60 stored. Accordingly, even if vibration occurs during driving of the tractor 1, the tool box 60 can be stably supported. In addition, since the tool case 60 is provided with a handle 65, the tool case 60 can be easily taken out.

此外，藉由將鉤狀的突部77a與板狀的承受部66卡合，從而能夠將工具箱60支承固定於工具箱固定部70，從而能夠穩定地支承工具箱60。另外，在承受部66由狹縫構成的情況下，藉由使鉤狀的突部77a的末端部插入狹縫，從而使突部77a卡合。 ＜駕駛艙固定架80的配置＞In addition, by engaging the hook-shaped protrusion 77 a with the plate-shaped receiving portion 66, the tool box 60 can be supported and fixed to the tool box fixing portion 70, and the tool box 60 can be stably supported. In addition, when the receiving portion 66 is formed by a slit, the tip portion of the hook-shaped protrusion 77a is inserted into the slit to engage the protrusion 77a. <Configuration of Cockpit Holder 80>

接著，參照圖6以及圖9，對駕駛艙固定架80（81、82）的配置進行說明。圖9是表示後部駕駛艙固定架82的立體圖。另外，圖9是從左斜上方觀察後車軸殼體83時的圖（立體圖）。拖拉機1包括用於支承駕駛艙7（參照圖1）的駕駛艙固定架80。駕駛艙固定架80包括前部駕駛艙固定架81和後部駕駛艙固定架82。Next, the arrangement of the cockpit fixing frame 80 (81, 82) will be described with reference to FIGS. 6 and 9. FIG. 9 is a perspective view showing the rear cockpit fixing frame 82. In addition, FIG. 9 is a diagram (perspective view) when the rear axle housing 83 is viewed diagonally from the upper left. The tractor 1 includes a cockpit fixing frame 80 for supporting the cockpit 7 (refer to FIG. 1 ). The cockpit fixing frame 80 includes a front cockpit fixing frame 81 and a rear cockpit fixing frame 82.

如圖6所示，前部駕駛艙固定架81被設置於上部燃料箱托架31，在上部燃料箱托架31上支承駕駛艙7。As shown in FIG. 6, the front cockpit fixing frame 81 is provided on the upper fuel tank bracket 31, and supports the cockpit 7 on the upper fuel tank bracket 31.

如圖9所示，後部駕駛艙固定架82被設置於後車軸殼體83，在後車軸殼體83上支承駕駛艙7。後部駕駛艙固定架82包括固定部82a。固定部82a相對於前後方向的中心線L偏離。此外，後部駕駛艙固定架82包括多個（4個）安裝螺栓82b。安裝螺栓82b以相對於前後方向的中心線L線對稱的方式配置。As shown in FIG. 9, the rear cockpit fixing frame 82 is provided on the rear axle housing 83 and supports the cockpit 7 on the rear axle housing 83. The rear cockpit fixing frame 82 includes a fixing portion 82a. The fixed portion 82a deviates from the center line L in the front-rear direction. In addition, the rear cockpit fixing frame 82 includes a plurality (four) of mounting bolts 82b. The mounting bolt 82b is arranged symmetrically with respect to the center line L in the front-rear direction.

藉由將安裝螺栓82b以相對於中心線L線對稱的方式配置，從而即使將後部駕駛艙固定架82旋轉180度，也能夠沒有改變地安裝後部駕駛艙固定架82。此外，藉由使固定部82a偏離，從而在使後部駕駛艙固定架旋轉180度後安裝的情況下，位置發生改變，因此，例如即使由於型號不同而使得軸距變化，也能夠使用相同的構件。By arranging the mounting bolts 82b symmetrically with respect to the center line L, even if the rear cockpit fixing frame 82 is rotated 180 degrees, the rear cockpit fixing frame 82 can be installed without change. In addition, by deviating the fixing portion 82a, the position changes when the rear cockpit fixing frame is rotated by 180 degrees, and therefore, for example, even if the wheelbase changes due to different models, the same member can be used .

本領域技術人員能夠容易地推導出進一步的效果、變形例。因此，本發明的更廣泛的方式不限定於以上那樣表示且記載的特定的詳細內容以及代表性的實施方式。因此，在不脫離由添加的權利要求的範圍及其等同物定義的總括性的發明的概念精神和範圍的情況下，能夠進行各種變更。Those skilled in the art can easily derive further effects and modifications. Therefore, the broader aspect of the present invention is not limited to the specific details and representative embodiments shown and described above. Therefore, various changes can be made without departing from the spirit and scope of the general inventive concept defined by the scope of the appended claims and their equivalents.

1‧‧‧作業車輛（拖拉機） 2‧‧‧機體架 3‧‧‧發動機罩 4‧‧‧前輪 5‧‧‧後輪 6‧‧‧變速箱體 6a‧‧‧變速器 7‧‧‧駕駛艙 8‧‧‧操縱席 9‧‧‧方向盤 10‧‧‧車體部 11、11L、11R‧‧‧燃料箱 20、20L、20R‧‧‧臺階部 21、21L、21R‧‧‧上部臺階部 22、22L、22R‧‧‧平坦面 23、23L、23R‧‧‧槽部 23a、23aL‧‧‧槽 23b、23bL‧‧‧連通槽 24、24L、24R‧‧‧防滑板 24a、24aR、24bR‧‧‧孔 25a‧‧‧螺紋孔部件 25b‧‧‧緊固件 26、26L、26R‧‧‧下部臺階部 27‧‧‧前部平坦面 28‧‧‧選擇性催化還原器托架 30、30L、30R‧‧‧燃料箱托架 31、31L、31R‧‧‧上部燃料箱托架 32、32L、32R‧‧‧連結部 33、33L、33R‧‧‧上部支承部 34、34L、34R‧‧‧下部燃料箱托架 35、35L、35R‧‧‧下部支承部 40‧‧‧廢氣淨化裝置 41‧‧‧選擇性催化還原器 50‧‧‧尿素水箱 51‧‧‧尿素水箱托架 60‧‧‧工具箱 61‧‧‧長邊形成面 62‧‧‧短邊形成面 63‧‧‧底面 64‧‧‧蓋面 64a‧‧‧鉸鏈 65‧‧‧把手 66‧‧‧承受部 70‧‧‧工具箱固定部 71‧‧‧第一側面 72‧‧‧第二側面 73‧‧‧第三側面 74‧‧‧開口部 75‧‧‧支承面 76‧‧‧偏壓部 77‧‧‧卡合固定部 77a‧‧‧突部 78‧‧‧引導部 80‧‧‧駕駛艙固定架 81‧‧‧前部駕駛艙固定架 82‧‧‧後部駕駛艙固定架 82a‧‧‧固定部 82b‧‧‧安裝螺栓 83‧‧‧後車軸殼體 100‧‧‧發動機電子控制單元 150‧‧‧動力輸出軸 E‧‧‧發動機1‧‧‧Work vehicle (tractor) 2‧‧‧Body frame 3‧‧‧Hood 4‧‧‧Front wheel 5‧‧‧Rear wheel 6‧‧‧ Gearbox body 6a‧‧‧Transmission 7‧‧‧ Cockpit 8‧‧‧Control seat 9‧‧‧steering wheel 10‧‧‧Car body 11, 11L, 11R‧‧‧ fuel tank 20, 20L, 20R‧‧‧step 21, 21L, 21R‧‧‧ Upper step 22, 22L, 22R‧‧‧flat 23, 23L, 23R‧‧‧slot 23a, 23aL‧‧‧slot 23b, 23bL‧‧‧Connecting groove 24, 24L, 24R 24a, 24aR, 24bR‧‧‧ hole 25a‧‧‧Threaded parts 25b‧‧‧fastener 26, 26L, 26R‧‧‧ Lower step 27‧‧‧Front flat surface 28‧‧‧Selective catalytic reduction bracket 30, 30L, 30R ‧‧‧ fuel tank bracket 31, 31L, 31R‧‧‧‧upper fuel tank bracket 32, 32L, 32R‧‧‧ connection 33, 33L, 33R‧‧‧Upper support 34, 34L, 34R ‧‧‧ lower fuel tank bracket 35, 35L, 35R ‧‧‧ lower support 40‧‧‧ Waste gas purification device 41‧‧‧Selective catalytic reducer 50‧‧‧Urea water tank 51‧‧‧Urea water tank bracket 60‧‧‧Toolbox 61‧‧‧Long side forming surface 62‧‧‧ Short side forming surface 63‧‧‧Bottom 64‧‧‧ Cover 64a‧‧‧hinge 65‧‧‧handle 66‧‧‧ Accepting Department 70‧‧‧ Toolbox fixing part 71‧‧‧The first side 72‧‧‧Second side 73‧‧‧The third side 74‧‧‧Opening 75‧‧‧Support surface 76‧‧‧bias 77‧‧‧Snap fixed part 77a 78‧‧‧Guiding Department 80‧‧‧ Cockpit mount 81‧‧‧Front cockpit mount 82‧‧‧ Rear cockpit fixing frame 82a‧‧‧Fixed Department 82b‧‧‧Mounting bolt 83‧‧‧Rear axle housing 100‧‧‧Engine electronic control unit 150‧‧‧ power output shaft E‧‧‧Engine

圖1是實施方式所涉及的作業車輛的說明圖。 圖2A是表示機體左側的臺階部的立體圖（其1）。 圖2B是表示機體左側的臺階部的立體圖（其2）。 圖3是表示機體左側的燃料箱托架的立體圖。 圖4A是表示機體右側的臺階部的立體圖（其1）。 圖4B是表示機體右側的臺階部的立體圖（其2）。 圖5是表示機體右側的燃料箱托架的立體圖。 圖6是表示工具箱的收納狀態的立體圖。 圖7是表示工具箱的立體圖。 圖8是表示工具箱固定部的立體圖。 圖9是表示後部駕駛艙固定架的立體圖。FIG. 1 is an explanatory diagram of a work vehicle according to an embodiment. 2A is a perspective view (No. 1) showing a stepped portion on the left side of the machine body. 2B is a perspective view showing the step portion on the left side of the machine body (Part 2). 3 is a perspective view showing the fuel tank bracket on the left side of the machine body. 4A is a perspective view (Part 1) showing a stepped portion on the right side of the machine body. 4B is a perspective view showing the step portion on the right side of the machine body (Part 2). 5 is a perspective view showing the fuel tank bracket on the right side of the machine body. FIG. 6 is a perspective view showing the storage state of the tool box. 7 is a perspective view showing a tool box. FIG. 8 is a perspective view showing a toolbox fixing portion. 9 is a perspective view showing a rear cockpit fixing frame.

6‧‧‧變速箱體 6‧‧‧ Gearbox body

26L‧‧‧下部臺階部 26L‧‧‧Lower step

30、30L‧‧‧燃料箱托架 30, 30L‧‧‧ fuel tank bracket

31、31L‧‧‧上部燃料箱托架 31, 31L‧‧‧Upper fuel tank bracket

32、32L‧‧‧連結部 32、32L‧‧‧Link

33、33L‧‧‧上部支承部 33, 33L‧‧‧Upper support

34、34L‧‧‧下部燃料箱托架 34、34L‧‧‧Lower fuel tank bracket

35、35L‧‧‧下部支承部 35, 35L‧‧‧Lower support

51‧‧‧尿素水箱托架 51‧‧‧Urea water tank bracket

Claims (7)

一種作業車輛，其特徵在於包括： 變速箱體，收納將動力從發動機傳遞至驅動輪的變速器，且支承車體部； 燃料箱，儲存向所述發動機供給的燃料； 下部臺階部，固定於所述變速箱體側；以及 上部臺階部，由所述燃料箱的一部分構成， 所述下部臺階部配置於比所述上部臺階部靠下方的位置，並且，上部臺階部和下部臺階部形成為階梯狀。A work vehicle, characterized by including: The gearbox body houses the transmission that transfers power from the engine to the drive wheels, and supports the car body; A fuel tank storing fuel supplied to the engine; A lower step portion fixed to the gearbox body side; and The upper step is composed of a part of the fuel tank, The lower step portion is arranged below the upper step portion, and the upper step portion and the lower step portion are formed in a step shape. 如申請專利範圍第1項所述的作業車輛，其中， 所述下部臺階部被安裝於從下方支承所述燃料箱的下部燃料箱托架。The work vehicle as described in item 1 of the patent application scope, in which The lower step portion is attached to a lower fuel tank bracket that supports the fuel tank from below. 如申請專利範圍第1或2項所述的作業車輛，其中， 所述上部臺階部包括： 防滑用的多個孔；以及 槽部，將從所述孔落下的落下物排出到外部。The work vehicle as described in item 1 or 2 of the patent application scope, in which The upper step includes: Multiple holes for anti-skid; and The groove part discharges the falling object falling from the hole to the outside. 如申請專利範圍第3項所述的作業車輛，其中， 將從所述發動機排出的廢氣進行淨化處理的廢氣淨化裝置配置於所述燃料箱上。The work vehicle as described in item 3 of the patent application scope, in which An exhaust gas purification device that purifies exhaust gas discharged from the engine is disposed on the fuel tank. 如申請專利範圍第1至4項中的任一項所述的作業車輛，其中， 所述作業車輛包括： 上部燃料箱托架，從上方支承所述燃料箱；以及 工具箱固定部，設置於所述上部燃料箱托架，在所述燃料箱的上方將工具箱固定成裝卸自如。The work vehicle according to any one of items 1 to 4 of the patent application scope, wherein, The work vehicle includes: An upper fuel tank bracket supporting the fuel tank from above; and The toolbox fixing portion is provided on the upper fuel tank bracket, and fixes the toolbox above the fuel tank so as to be detachable. 申請專利範圍第5項所述的作業車輛，其中， 所述工具箱為矩形箱狀，並包括： 一對長邊形成面，在俯視時形成長邊；以及 一對短邊形成面，在俯視時形成短邊， 所述工具箱固定部包括： 第一側面及第二側面，在所述工具箱被收納的狀態下分別與所述一對長邊形成面相面對； 第三側面，在所述工具箱被收納的狀態下與所述一對短邊形成面中的任意一個短邊形成面相面對； 開口部； 偏壓部，設置於所述第三側面，朝向所述開口部對所述工具箱偏壓；以及 卡合固定部，設置於所述開口部，將被所述偏壓部偏壓的所述工具箱卡合固定。The work vehicle mentioned in item 5 of the patent scope, where, The tool box has a rectangular box shape and includes: A pair of long side forming faces, which form the long side when viewed from above; and A pair of short sides forming a surface, forming short sides when viewed from above, The toolbox fixing part includes: The first side face and the second side face respectively face the pair of long side forming faces when the tool box is stored; The third side surface, facing any one of the pair of short side forming surfaces in the state where the tool box is stored; Opening A biasing portion provided on the third side surface to bias the toolbox toward the opening; and An engagement fixing portion is provided in the opening and engages and fixes the tool box biased by the biasing portion. 如申請專利範圍第6項所述的作業車輛，其中， 所述工具箱固定部的所述卡合固定部包括突部， 所述工具箱具有承受部，該承受部從所述短邊形成面突出，在該工具箱被收納的狀態下與所述突部卡合。The work vehicle as described in item 6 of the patent application scope, in which The engagement fixing portion of the tool box fixing portion includes a protrusion, The tool case has a receiving portion that protrudes from the short-side forming surface, and is engaged with the protrusion when the tool case is stored.
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