JP2007050720A - Construction machine - Google Patents

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JP2007050720A
JP2007050720A JP2005235453A JP2005235453A JP2007050720A JP 2007050720 A JP2007050720 A JP 2007050720A JP 2005235453 A JP2005235453 A JP 2005235453A JP 2005235453 A JP2005235453 A JP 2005235453A JP 2007050720 A JP2007050720 A JP 2007050720A
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floor
mat
mounting member
canopy
floor mat
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JP4537289B2 (en
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Hajime Ishii
元 石井
Tomoyuki Tanaka
友幸 田中
Shogo Kimura
庄吾 木村
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Hitachi Construction Machinery Co Ltd
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Hitachi Construction Machinery Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To secure a floor mat certainly on the floor plate part of a floor member. <P>SOLUTION: A front mounting member 19 of hollow structure constituting a canopy 18 is secured to the front of the floor member 8, and a fitting part 32 formed in the floor mat 28 is fitted in the open end 19C of this front mounting member 19. This enables the floor mat 28 so that its center opening 30 is fitted on a running lever pedal device 16, the right-hand opening 31 is fitted on an offsetting pedal device 17, and further a cylindrical projection 32B on the fitting part 32 is fitted in the open end 19C of the front mounting member 19. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、例えば油圧ショベル、油圧クレーン等の建設機械に関し、特に、床板上にフロアマットが設けられた建設機械に関する。   The present invention relates to a construction machine such as a hydraulic excavator or a hydraulic crane, and more particularly to a construction machine in which a floor mat is provided on a floor plate.

一般に、油圧ショベル、油圧クレーン等の建設機械は、自走可能な下部走行体と、該下部走行体上に旋回可能に搭載された上部旋回体と、該上部旋回体の前部側に俯仰動可能に設けられた作業装置とにより大略構成されている。   In general, a construction machine such as a hydraulic excavator or a hydraulic crane has a self-propelled lower traveling body, an upper revolving body mounted on the lower traveling body so as to be able to swivel, and an uplifting movement to the front side of the upper revolving body. It is roughly constituted by a working device that can be provided.

ここで、上部旋回体は、支持構造体をなす旋回フレームと、該旋回フレーム上に設けられた運転席と床板部とを有するフロア部材と、該フロア部材の運転席を上方から覆うキャノピと、フロア部材の床板部に設けられたフロアマットとにより大略構成されている。   Here, the upper swing body includes a swing frame forming a support structure, a floor member having a driver seat and a floor plate portion provided on the swing frame, a canopy that covers the driver seat of the floor member from above, It is generally constituted by a floor mat provided on the floor plate portion of the floor member.

そして、フロアマットは、オペレータが床板部を足場として運転席に乗降するときのスリップを防止すると共に、運転席に着席したオペレータの靴から落ちた泥等を受け、これら泥等の汚れがフロア部材に付着するのを抑えるものである（例えば、特許文献１参照）。   The floor mat prevents slipping when the operator gets on and off the driver's seat using the floor plate portion as a foothold, receives mud falling from the operator's shoes seated on the driver's seat, and the dirt such as mud is a floor member. (See, for example, Patent Document 1).

特開２００４−１４９０４０号公報JP 2004-149040 A

ところで、従来技術によるフロアマットは、通常、ゴム等の可撓性材料を用いて平板状に形成され、運転席の前側に配置されたレバー・ペダル装置に対応する位置には開口部が設けられている。そして、フロアマットは、開口部をレバー・ペダル装置に挿通した状態で床板部の上面に載置され、該床板部を覆う構成となっている。   By the way, the floor mat according to the prior art is usually formed in a flat plate shape using a flexible material such as rubber, and an opening is provided at a position corresponding to the lever / pedal device arranged on the front side of the driver's seat. ing. The floor mat is placed on the upper surface of the floor plate portion with the opening being inserted through the lever / pedal device, and covers the floor plate portion.

このように、従来技術によるフロアマットは、単に床板部の上面に載置されるだけであるため、フロアマットの洗浄時等において該フロアマットを床板部に取付ける作業を容易に行うことができる反面、オペレータの乗降時にフロアマットが床板部に対して位置ずれし易くなるという問題がある。   As described above, the floor mat according to the prior art is simply placed on the upper surface of the floor plate portion, so that the work of attaching the floor mat to the floor plate portion can be easily performed at the time of cleaning the floor mat. There is a problem that the floor mat is easily displaced with respect to the floor plate when the operator gets on and off.

本発明は上述した従来技術の問題に鑑みなされたもので、フロアマットをフロア部材の床板部に確実に固定することができるようにした建設機械を提供することを目的としている。   The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a construction machine capable of securely fixing a floor mat to a floor plate portion of a floor member.

上述した課題を解決するため本発明は、自走可能な下部走行体と、該下部走行体上に旋回可能に搭載された上部旋回体とからなり、前記上部旋回体は、支持構造体をなす旋回フレームと、該旋回フレーム上に設けられオペレータが着席する運転席と該運転席の前側に位置して前記オペレータの足場となる床板部とを有するフロア部材と、該フロア部材に取付けられ前記運転席を上方から覆うキャノピと、前記フロア部材の床板部に設けられるフロアマットとを備えてなる建設機械に適用される。   In order to solve the above-described problems, the present invention includes a self-propelled lower traveling body and an upper revolving body that is turnably mounted on the lower traveling body, and the upper revolving body forms a support structure. A floor member having a turning frame, a driver seat provided on the turning frame on which an operator is seated, and a floor plate portion that is positioned in front of the driver seat and serves as a scaffold for the operator, and the driving member attached to the floor member The present invention is applied to a construction machine including a canopy that covers a seat from above and a floor mat provided on a floor plate portion of the floor member.

そして、請求項１の発明が採用する構成の特徴は、前記キャノピは、端面が開口した中空部材からなり前記フロア部材の前側に取付けられる前側取付部材と、前記フロア部材の後側に取付けられる後側取付部材と、これら前，後の取付部材に固着され上，下方向に延びた複数の支柱と、該各支柱に取付けられ前記運転席を覆うルーフとにより構成し、前記フロアマットには、前記前側取付部材の開口端に嵌合し該フロアマットを前記フロア部材に対して固定させる嵌合部を設けたことにある。   A feature of the configuration adopted by the invention of claim 1 is that the canopy is formed of a hollow member having an open end surface and is attached to the front side of the floor member, and is attached to the rear side of the floor member. It is composed of a side mounting member, a plurality of columns that are fixed to the front and rear mounting members and extend upward and downward, and a roof that is mounted on each column and covers the driver's seat. There is provided a fitting portion that fits into the opening end of the front mounting member and fixes the floor mat to the floor member.

請求項２の発明は、前記フロアマットは、前記フロア部材の床板部を覆うマット本体と、該マット本体の前側に設けられ前記運転席の前側に配置されたレバー・ペダル装置が挿通される開口部と、該開口部よりも前側に位置して前記マット本体の前端部に設けられた前記嵌合部とにより構成したことにある。   According to a second aspect of the present invention, the floor mat has an opening through which a mat body covering the floor plate portion of the floor member and a lever / pedal device provided on the front side of the mat body and disposed on the front side of the driver seat are inserted. And the fitting portion provided at the front end portion of the mat body and positioned in front of the opening.

請求項３の発明は、前記キャノピの前側取付部材は閉断面構造を有する筒体として形成し、前記フロアマットの嵌合部は、前記前側取付部材の開口端と対面する位置に設けられ該開口端に嵌合することにより液密に施蓋する筒状突起として構成したことにある。   According to a third aspect of the present invention, the front mounting member of the canopy is formed as a cylindrical body having a closed cross-sectional structure, and the fitting portion of the floor mat is provided at a position facing the opening end of the front mounting member. In other words, it is configured as a cylindrical protrusion that is liquid-tightly covered by being fitted to the end.

請求項１の発明によれば、キャノピを構成する前側取付部材をフロア部材の前側に取付け、この前側取付部材の開口端にフロアマットの嵌合部を嵌合させることにより、キャノピの前側取付部材を利用して、フロアマットをフロア部材の床板部に確実に固定することができる。これにより、床板部に対するフロアマットの位置ずれを抑え、オペレータが運転席に乗降するときのスリップを確実に防止できる上に、オペレータの靴から落ちた泥等をフロアマットによって確実に受けることができる。   According to the first aspect of the present invention, the front side mounting member constituting the canopy is mounted on the front side of the floor member, and the fitting portion of the floor mat is fitted to the opening end of the front side mounting member, whereby the front side mounting member of the canopy The floor mat can be securely fixed to the floor plate portion of the floor member by using. As a result, the displacement of the floor mat with respect to the floor plate portion can be suppressed, the slip when the operator gets on and off the driver's seat can be surely prevented, and mud or the like that has fallen from the operator's shoes can be reliably received by the floor mat. .

また、フロアマットの嵌合部を前側取付部材の開口端から抜取ることにより、フロアマットをフロア部材から容易に取外すことができ、洗浄時等においてフロアマットを着脱するときの作業性を高めることができる。   Also, by pulling out the matting part of the floor mat from the opening end of the front mounting member, the floor mat can be easily detached from the floor member, and the workability when attaching / detaching the floor mat during cleaning etc. is improved. Can do.

請求項２の発明によれば、フロアマットの開口部を運転席の前側に配置されたレバー・ペダル装置に挿通すると共に、フロアマットの嵌合部をキャノピの前側取付部材の開口端に嵌合させることにより、フロアマットをフロア部材に対して適正な位置に位置決めした状態で固定することができ、マット本体によって床板部を確実に覆うことができる。   According to the invention of claim 2, the opening portion of the floor mat is inserted into the lever / pedal device arranged on the front side of the driver's seat, and the fitting portion of the floor mat is fitted to the opening end of the front mounting member of the canopy. By doing so, the floor mat can be fixed in a state positioned at an appropriate position with respect to the floor member, and the floor plate portion can be reliably covered by the mat body.

請求項３の発明によれば、フロアマットの嵌合部を、前側取付部材の開口端と対面する位置に設けられ該開口端に嵌合してこれを液密に施蓋する筒状突起として構成することにより、雨水等が前側取付部材の内部に侵入して錆等が発生するのを抑え、前側取付部材を含むキャノピの強度を長期に亘って保つことができる。また、例えばフロアマットとは別部材からなるプラグ（封止栓）等を用いて前側取付部材の開口端を施蓋する場合に比較して、部品点数を削減することができる。   According to the invention of claim 3, the fitting portion of the floor mat is provided at a position facing the opening end of the front mounting member, and is fitted into the opening end so as to cover the liquid-tight lid. By comprising, it can suppress that rainwater etc. penetrate | invade the inside of a front side attachment member, and rust etc. generate | occur | produce, and can maintain the intensity | strength of the canopy containing a front side attachment member over a long term. Further, for example, the number of parts can be reduced as compared with the case where the opening end of the front mounting member is covered using a plug (sealing plug) or the like made of a member different from the floor mat.

以下、本発明に係る建設機械の実施の形態を、油圧ショベルに適用した場合を例に挙げ、図１ないし図８を参照しつつ詳細に説明する。   Hereinafter, an embodiment of a construction machine according to the present invention will be described in detail with reference to FIGS. 1 to 8 by taking as an example a case where the construction machine is applied to a hydraulic excavator.

図中、１は油圧ショベルで、該油圧ショベル１は、自走可能なクローラ式の下部走行体２と、該下部走行体２上に旋回可能に搭載された上部旋回体３と、該上部旋回体３の前部側に俯仰動可能に設けられたオフセット式の作業装置４とにより大略構成されている。   In the figure, reference numeral 1 denotes a hydraulic excavator. The hydraulic excavator 1 includes a self-propelled crawler-type lower traveling body 2, an upper revolving body 3 that is turnably mounted on the lower traveling body 2, and the upper swivel. It is roughly constituted by an offset type working device 4 provided on the front side of the body 3 so as to be able to move up and down.

ここで、作業装置４は、後述する旋回フレーム５の前部側に取付けられたロアブーム４Ａと、該ロアブーム４Ａの先端側に取付けられたアッパブーム４Ｂと、該アッパブーム４Ｂの先端側に取付けられたアーム支持体４Ｃと、該アーム支持体４Ｃの先端側に取付けられたアーム４Ｄと、該アーム４Ｄの先端側に取付けられたバケット４Ｅと、ロアブーム４Ａとアーム支持体４Ｃとの間を連結するリンクロッド４Ｆと、ロアブーム４Ａを上，下方向に回動（俯仰動）させるブームシリンダ４Ｇと、アーム４Ｄを回動させるアームシリンダ４Ｈと、バケット４Ｅを回動させるバケットシリンダ４Ｉと、アッパブーム４Ｂを左，右方向に揺動させるオフセットシリンダ４Ｊとにより大略構成されている。   Here, the working device 4 includes a lower boom 4A attached to the front side of a revolving frame 5 described later, an upper boom 4B attached to the distal end side of the lower boom 4A, and an arm attached to the distal end side of the upper boom 4B. A support rod 4C, an arm 4D attached to the distal end side of the arm support 4C, a bucket 4E attached to the distal end side of the arm 4D, and a link rod connecting the lower boom 4A and the arm support 4C 4F, a boom cylinder 4G for rotating (lowering and raising) the lower boom 4A upward, downward, an arm cylinder 4H for rotating the arm 4D, a bucket cylinder 4I for rotating the bucket 4E, and an upper boom 4B on the left, An offset cylinder 4J that swings in the right direction is roughly configured.

そして、作業装置４は、オフセットシリンダ４Ｊによりアッパブーム４Ｂをロアブーム４Ａに対して左，右方向に平行移動（オフセット）した状態で、ブームシリンダ４Ｇによってロアブーム４Ａを俯仰動させ、アームシリンダ４Ｈによってアーム４Ｄを回動させ、バケットシリンダ４Ｉによってバケット４Ｅを回動させることにより、道路脇の側溝等の掘削作業を行うものである。   Then, the working device 4 moves the lower boom 4A up and down by the boom cylinder 4G while the upper boom 4B is translated (offset) in the left and right directions with respect to the lower boom 4A by the offset cylinder 4J, and the arm 4D by the arm cylinder 4H. Is rotated, and the bucket 4E is rotated by the bucket cylinder 4I to perform excavation work such as a gutter on the side of the road.

一方、上部旋回体３は、下部走行体２上に旋回可能に設けられた支持構造体をなす旋回フレーム５と、該旋回フレーム５の後端部に設けられ作業装置４との重量バランスをとるカウンタウエイト６と、旋回フレーム５上に搭載されたエンジン、油圧ポンプ等の搭載機器（図示せず）を覆う外装カバー７と、後述のフロア部材８、キャノピ１８、フロアマット２８等により大略構成されている。   On the other hand, the upper swing body 3 balances the weight between the swing frame 5 that forms a support structure that is swingably provided on the lower traveling body 2 and the work device 4 that is provided at the rear end of the swing frame 5. It is generally constituted by an outer cover 7 that covers a counterweight 6, a mounted device (not shown) such as an engine and a hydraulic pump mounted on the revolving frame 5, a floor member 8, a canopy 18, a floor mat 28 and the like described later. ing.

ここで、上部旋回体３は、例えば下部走行体２の車幅内で旋回できるように、上方からみてほぼ円形状に形成されている（図２参照）。また、上部旋回体３の後端部の旋回半径は、カウンタウエイト６の外側面によって規定されており、カウンタウエイト６は、上部旋回体３の後端部の旋回半径を小さくするため、できるだけ前側（作業装置４側）に寄せて配置されている。   Here, the upper turning body 3 is formed in a substantially circular shape when viewed from above so that it can turn within the vehicle width of the lower traveling body 2 (see FIG. 2). Further, the turning radius of the rear end portion of the upper swing body 3 is defined by the outer surface of the counterweight 6, and the counterweight 6 is as front as possible in order to reduce the turning radius of the rear end portion of the upper swing body 3. It is arranged close to (the working device 4 side).

８はカウンタウエイト６の前側に位置して旋回フレーム５上に配設されたフロア部材で、該フロア部材８は、図４に示すように、後述の床板部９、レバー・ペダル取付板１０、前側キャノピ取付板１１、運転席台座１２、後側キャノピ取付板１３等により構成されている。   8 is a floor member positioned on the front side of the counterweight 6 and disposed on the revolving frame 5. The floor member 8 includes a floor plate portion 9, a lever / pedal mounting plate 10, which will be described later, as shown in FIG. The front canopy mounting plate 11, the driver seat base 12, the rear canopy mounting plate 13, and the like are included.

９は後述の運転席１４に着席したオペレータの足場を形成する床板部で、該床板部９は、左，右方向に長尺なほぼ長方形の平板状に形成されている。そして、床板部９の上面側には、後述のフロアマット２８が配設される構成となっている。また、床板部９の前端側には、左，右方向に延びるレバー・ペダル取付板１０が設けられ、該レバー・ペダル取付板１０には、後述の走行レバー・ペダル装置１６を取付けるための走行レバー・ペダル取付開口１０Ａと、後述のオフセット用ペダル装置１７を取付けるためのペダル取付開口１０Ｂとが設けられている。   Reference numeral 9 denotes a floor plate portion that forms a scaffold for an operator seated in a driver seat 14 to be described later. The floor plate portion 9 is formed in a substantially rectangular flat plate shape elongated in the left and right directions. A floor mat 28 described later is disposed on the upper surface side of the floor plate portion 9. Further, a lever / pedal mounting plate 10 extending in the left and right directions is provided on the front end side of the floor plate portion 9, and a travel for mounting a travel lever / pedal device 16 to be described later is attached to the lever / pedal mounting plate 10. A lever / pedal mounting opening 10A and a pedal mounting opening 10B for mounting an after-mentioned offset pedal device 17 are provided.

１１はレバー・ペダル取付板１０の前端部に設けられた前側キャノピ取付板で、該前側キャノピ取付板１１は、Ｌ字状に折曲げられた強度部材により構成され、レバー・ペダル取付板１０に沿って左，右方向に延びている。そして、前側キャノピ取付板１１には、後述するキャノピ１８の前側取付部材１９が取付けられる構成となっている。   Reference numeral 11 denotes a front canopy mounting plate provided at the front end portion of the lever / pedal mounting plate 10, and the front canopy mounting plate 11 is composed of a strength member bent in an L shape, and is attached to the lever / pedal mounting plate 10. Along the left and right sides. The front canopy mounting plate 11 is configured to be mounted with a front mounting member 19 of a canopy 18 described later.

１２は床板部９の後側に設けられた運転席台座で、該運転席台座１２は、床板部９の後部側から上方に立上がる箱状に形成されている。そして、運転席台座１２上には、後述する運転席１４が取付けられる構成となっている。   Reference numeral 12 denotes a driver seat pedestal provided on the rear side of the floor plate portion 9, and the driver seat pedestal 12 is formed in a box shape that rises upward from the rear side of the floor plate portion 9. On the driver seat base 12, a driver seat 14 to be described later is attached.

１３は運転席台座１２の後端部に設けられた後側キャノピ取付板で、該後側キャノピ取付板１３は、運転席台座１２の後端部から後方へと略水平に張出している。そして、後側キャノピ取付板１３には、後述するキャノピ１８の後側取付部材２０が取付けられる構成となっている。   Reference numeral 13 denotes a rear canopy mounting plate provided at the rear end portion of the driver seat pedestal 12, and the rear canopy mounting plate 13 projects substantially horizontally from the rear end portion of the driver seat pedestal 12 to the rear. The rear canopy mounting plate 13 is configured to be mounted with a rear mounting member 20 of a canopy 18 described later.

１４はオペレータが着席する運転席で、該運転席１４は、上述したフロア部材８の運転席台座１２上に取付けられるものである。そして、図１及び図３に示すように、運転席１４の左，右両側には、作業装置４を操作するための操作レバー装置１５，１５が設けられ、運転席１４の前側には、後述の走行レバー・ペダル装置１６，１６と、オフセット用ペダル装置１７とが設けられている。   Reference numeral 14 denotes a driver seat on which an operator is seated, and the driver seat 14 is mounted on the driver seat base 12 of the floor member 8 described above. As shown in FIGS. 1 and 3, operation lever devices 15 and 15 for operating the work device 4 are provided on both the left and right sides of the driver seat 14. Traveling lever / pedal devices 16, 16 and an offset pedal device 17 are provided.

１６，１６は運転席１４の前側に配置された左，右の走行レバー・ペダル装置で、該各走行レバー・ペダル装置１６は、運転席１４に着席したオペレータによって操作されることにより、下部走行体２の走行を制御するものである。１７は走行レバー・ペダル装置１６の右側に配置されたオフセット用ペダル装置で、該オフセット用ペダル装置１７は、オペレータによって操作されることにより、作業装置４のオフセットシリンダ４Ｊを伸縮させ、アッパブーム４Ｂを左，右方向にオフセットするものである。   Reference numerals 16 and 16 denote left and right traveling lever / pedal devices arranged on the front side of the driver's seat 14, and each traveling lever / pedal device 16 is operated by an operator seated on the driver's seat 14 to travel under the vehicle. It controls the traveling of the body 2. Reference numeral 17 denotes an offset pedal device disposed on the right side of the travel lever / pedal device 16, and the offset pedal device 17 is operated by an operator to expand and contract the offset cylinder 4J of the work device 4 so as to move the upper boom 4B. Offsets left and right.

１８はフロア部材８に取付けられたキャノピで、該キャノピ１８は、運転席１４を上方及び右側方から覆うものである。ここで、キャノピ１８は、図５等に示すように、後述の前側取付部材１９、後側取付部材２０、各支柱２１，２２，２４、キャノピルーフ２５等を備えた３柱式キャノピとして構成されている。   Reference numeral 18 denotes a canopy attached to the floor member 8. The canopy 18 covers the driver's seat 14 from above and from the right side. Here, as shown in FIG. 5 and the like, the canopy 18 is configured as a three-post canopy including a front mounting member 19, a rear mounting member 20, which will be described later, each of the columns 21, 22, 24, a canopy roof 25, and the like. ing.

１９はフロア部材８の前側に取付けられる前側取付部材で、該前側取付部材１９は、左，右方向に延びる長方形状をなす平板状の底板１９Ａと、該底板１９Ａの上面側に溶接等の手段を用いて固着された断面コ字状のみぞ形鋼１９Ｂとにより、強固な閉断面構造を有する中空な角筒体として形成されている。   Reference numeral 19 denotes a front attachment member attached to the front side of the floor member 8. The front attachment member 19 includes a rectangular bottom plate 19A having a rectangular shape extending in the left and right directions, and means such as welding on the upper surface side of the bottom plate 19A. Is formed as a hollow rectangular cylinder having a firm closed cross-sectional structure.

ここで、左，右方向に延びる前側取付部材１９の右側の端面には、後述する右前支柱２１の下端部が溶接等によって固着され、前側取付部材１９の左側の端面は四角形状に開口した開口端１９Ｃとなっている。そして、前側取付部材１９は、フロア部材８の前側キャノピ取付板１１に複数のボルトを用いて固定される構成となっている。   Here, a lower end portion of a right front support column 21 to be described later is fixed to the right end surface of the front mounting member 19 extending in the left and right directions by welding or the like, and the left end surface of the front mounting member 19 is opened in a square shape. It is the end 19C. The front mounting member 19 is fixed to the front canopy mounting plate 11 of the floor member 8 using a plurality of bolts.

２０はフロア部材８の後側に取付けられる後側取付部材で、該後側取付部材２０は、左，右方向に延びる平板状に形成され、その上面側には後述の右後支柱２２と左後支柱２４の下端部が溶接等によって固着されるものである。そして、後側取付部材２０は、フロア部材８の後側キャノピ取付板１３に複数のボルトを用いて固定される構成となっている。   Reference numeral 20 denotes a rear mounting member that is mounted on the rear side of the floor member 8, and the rear mounting member 20 is formed in a flat plate shape extending in the left and right directions. The lower end portion of the rear column 24 is fixed by welding or the like. The rear mounting member 20 is fixed to the rear canopy mounting plate 13 of the floor member 8 using a plurality of bolts.

２１は前側取付部材１９の右端側に溶接等によって固着され上，下方向に延びた右前支柱で、該右前支柱２１は、例えばパイプ材等を用いて形成されている。ここで、右前支柱２１の上端側は、後方に向けてＬ字状に湾曲した湾曲部２１Ａとなっている。   Reference numeral 21 denotes a right front strut that is fixed to the right end side of the front mounting member 19 by welding or the like and extends downward, and the right front strut 21 is formed using, for example, a pipe material or the like. Here, the upper end side of the right front column 21 is a curved portion 21A that is curved in an L shape toward the rear.

２２は後側取付部材２０の右端側に溶接等によって固着され上，下方向に延びた右後支柱で、該右後支柱２２は、例えばパイプ材等を用いて形成され、その上端側は前方に向けてＬ字状に湾曲した湾曲部２２Ａとなっている。そして、右前支柱２１の湾曲部２１Ａと右後支柱２２の湾曲部２２Ａとは、接合部２３において溶接等の手段を用いて接合され、右前支柱２１と右後支柱２２は、後述のキャノピルーフ２５を取付けるための強固な枠体を構成している。   Reference numeral 22 denotes a right rear strut which is fixed to the right end side of the rear mounting member 20 by welding or the like and extends downward, and the right rear strut 22 is formed using, for example, a pipe material or the like, and the upper end side thereof is a front end. The curved portion 22A is curved in an L shape toward the head. The curved portion 21A of the right front support column 21 and the curved portion 22A of the right rear support column 22 are joined at the joint portion 23 by means of welding or the like, and the right front support column 21 and the right rear support column 22 are connected to a canopy roof 25 described later. This constitutes a strong frame for mounting the frame.

２４は後側取付部材２０の左端側に溶接等によって固着され上，下方向に延びた左後支柱で、該左後支柱２４は、例えばパイプ材等を用いて形成され、下端部が後側取付部材２０に固着され、上端部が右後支柱２２の湾曲部２２Ａに固着されている。   Reference numeral 24 denotes a left rear strut which is fixed to the left end side of the rear mounting member 20 by welding or the like and extends upward and downward. The left rear strut 24 is formed using, for example, a pipe material or the like, and a lower end portion is located on the rear side It is fixed to the mounting member 20, and the upper end is fixed to the curved portion 22 </ b> A of the right rear column 22.

２５は右前支柱２１と右後支柱２２とに取付けられたキャノピルーフで、該キャノピルーフ２５は、薄肉な鋼板等を用いて形成され、運転席１４を上方から覆う天蓋部２５Ａと、運転席１４を右側方から覆う右側壁部２５Ｂとにより構成されている。   Reference numeral 25 denotes a canopy roof attached to the right front column 21 and the right rear column 22. The canopy roof 25 is formed using a thin steel plate or the like, and a canopy portion 25A that covers the driver's seat 14 from above, and the driver's seat 14 And a right side wall portion 25B that covers from the right side.

２６は右前支柱２１等に固着されたガード部材（手摺り）で、該ガード部材２６は、Ｕ字状に折曲げたパイプ材等によって構成され、右前支柱２１から前側取付部材１９に沿って左，右方向に延びている。そして、ガード部材２６は、運転席１４等を前方から保護するもので、ガード部材２６の右端側には夜間作業用の照明機器２７が取付けられている。   Reference numeral 26 denotes a guard member (handrail) fixed to the right front column 21 and the like, and the guard member 26 is configured by a pipe material or the like bent in a U-shape, and left from the right front column 21 along the front mounting member 19. , Extends rightward. The guard member 26 protects the driver's seat 14 and the like from the front, and a lighting device 27 for night work is attached to the right end side of the guard member 26.

２８はフロア部材８の床板部９上に設けられるフロアマットで、該フロアマット２８は、図４、図６ないし図８等に示すように、後述のマット本体２９、各開口部３０，３１、嵌合部３２等により構成され、例えばゴム材料を用いて一体形成されている。そして、フロアマット２８は、オペレータが床板部９を足場として運転席１４に乗降するときのスリップを防止すると共に、運転席１４に着席したオペレータの靴から落ちた泥等を受け、これら泥等の汚れが床板部９等に付着するのを抑えるものである。   28 is a floor mat provided on the floor plate portion 9 of the floor member 8, and the floor mat 28 is, as shown in FIGS. 4, 6 to 8, etc., a mat main body 29 to be described later, each of the openings 30, 31, It is configured by the fitting portion 32 and the like, and is integrally formed using, for example, a rubber material. The floor mat 28 prevents slipping when the operator gets on and off the driver's seat 14 using the floor plate portion 9 as a foothold and receives mud or the like that has fallen from the shoes of the operator seated on the driver's seat 14. This prevents dirt from adhering to the floor plate portion 9 and the like.

２９はキャノピ１８の前側取付部材１９と運転席１４との間に配置されたマット本体で、該マット本体２９は、フロア部材８の床板部９に沿ってほぼ水平に延びる底面部２９Ａと、該底面部２９Ａの後端縁部及び右端縁部から上向きに突出した突堤部２９Ｂとを有している。これにより、フロア部材８の床板部９上に配設したフロアマット２８に洗浄水を吹付けたときに、この洗浄水が底面部２９Ａの周囲に飛散するのを突堤部２９Ｂによって抑え、突堤部２９Ｂが設けられていない底面部２９Ａの左端側から洗浄水を外部に排出することができる構成となっている。   Reference numeral 29 denotes a mat body disposed between the front mounting member 19 of the canopy 18 and the driver's seat 14, and the mat body 29 includes a bottom surface portion 29A extending substantially horizontally along the floor plate portion 9 of the floor member 8; It has a jetty portion 29B protruding upward from the rear end edge portion and the right end edge portion of the bottom surface portion 29A. Thereby, when washing water is sprayed on the floor mat 28 disposed on the floor plate portion 9 of the floor member 8, the washing water is prevented from splashing around the bottom surface portion 29A by the jetty portion 29B. The cleaning water can be discharged to the outside from the left end side of the bottom surface portion 29A where 29B is not provided.

３０はマット本体２９の前側中央部に設けられた中央開口部で、該中央開口部３０は、走行レバー・ペダル装置１６が挿通されるものである。３１はマット本体２９の右前側に設けられた右側開口部で、該右側開口部３１は、オフセット用ペダル装置１７が挿通されるものである。ここで、中央開口部３０の周縁部には、洗浄水等が中央開口部３０を通じてフロアマット２８の下方に流れるのを抑える突堤部３０Ａが突設され、右側開口部３１の周縁部には、洗浄水等が右側開口部３１を通じてフロアマット２８の下方に流れるのを抑える突堤部３１Ａが突設されている。   Reference numeral 30 denotes a central opening provided at the front center portion of the mat body 29, through which the travel lever / pedal device 16 is inserted. Reference numeral 31 denotes a right opening provided on the right front side of the mat body 29, and the right opening 31 is inserted into the offset pedal device 17. Here, at the peripheral edge of the central opening 30, a jetty 30A is provided to prevent washing water or the like from flowing below the floor mat 28 through the central opening 30, and at the peripheral edge of the right opening 31, A jetty portion 31 </ b> A is provided so as to prevent the washing water or the like from flowing below the floor mat 28 through the right opening 31.

そして、フロアマット２８をフロア部材８の床板部９上に配設するときには、図７に示すように、中央開口部３０に走行レバー・ペダル装置１６のパイロット弁が嵌合し、右側開口部３１にオフセット用ペダル装置１７のパイロット弁が嵌合することにより、フロアマット２８を、床板部９に対して位置決めすることができる構成となっている。   When the floor mat 28 is disposed on the floor plate portion 9 of the floor member 8, as shown in FIG. 7, the pilot valve of the traveling lever / pedal device 16 is fitted into the central opening 30, and the right opening 31. The floor mat 28 can be positioned with respect to the floor plate portion 9 by fitting the pilot valve of the offset pedal device 17 to the floor plate 9.

３２はマット本体２９の前端部に一体に設けられた嵌合部で、該嵌合部３２は、図６ないし図８に示すように、中央開口部３０の左前側に位置してマット本体２９の底面部２９Ａから立上る立上り部３２Ａと、該立上り部３２Ａのうち前側取付部材１９の開口端１９Ｃと対面する右端面から右方に突出した筒状突起部３２Ｂとにより構成されている。そして、嵌合部３２は、前側取付部材１９の開口端１９Ｃと対面する位置に設けられた筒状突起部３２Ｂを、開口端１９Ｃに嵌合することにより、前側取付部材１９を利用して、フロアマット２８をフロア部材８に確実に固定させるものである。   Reference numeral 32 denotes a fitting portion provided integrally with the front end portion of the mat main body 29. The fitting portion 32 is located on the left front side of the central opening 30 as shown in FIGS. The rising portion 32A rises from the bottom surface portion 29A, and the cylindrical protruding portion 32B protrudes rightward from the right end surface facing the opening end 19C of the front mounting member 19 in the rising portion 32A. And the fitting part 32 utilizes the front side attachment member 19 by fitting the cylindrical protrusion part 32B provided in the position facing the opening end 19C of the front side attachment member 19 to the opening end 19C, The floor mat 28 is securely fixed to the floor member 8.

ここで、嵌合部３２の筒状突起部３２Ｂは、図８に示すように、左，右方向で対面する前側取付部材１９の開口端１９Ｃに嵌合することにより、該開口端１９Ｃを液密に施蓋する構成となっている。また、嵌合部３２の立上り部３２Ａは、図７に示すように、筒状突起部３２Ｂを前側取付部材１９の開口端１９Ｃに嵌合させた状態で、当該前側取付部材１９の外側面に滑らかに連続するものである。   Here, as shown in FIG. 8, the cylindrical projecting portion 32B of the fitting portion 32 is fitted to the opening end 19C of the front mounting member 19 facing in the left and right directions, thereby making the opening end 19C liquid. It is configured to cover tightly. Further, as shown in FIG. 7, the rising portion 32 </ b> A of the fitting portion 32 is formed on the outer surface of the front attachment member 19 in a state where the cylindrical protrusion 32 </ b> B is fitted to the opening end 19 </ b> C of the front attachment member 19. Smooth and continuous.

このように、フロアマット２８に設けた嵌合部３２が、前側取付部材１９の開口端１９Ｃに嵌合してこれを液密に施蓋することにより、前側取付部材１９の内部に雨水や洗浄水等が侵入して錆等が発生するのを抑え、前側取付部材１９を含むキャノピ１８の強度を長期に亘って保つことができる構成となっている。また、嵌合部３２の立上り部３２Ａが、前側取付部材１９の外側面に滑らかに連続することにより、前側取付部材１９と嵌合部３２との境界部分を目立たなくすることができる構成となっている。   In this way, the fitting portion 32 provided on the floor mat 28 is fitted to the opening end 19C of the front mounting member 19 and is liquid-tightly covered, so that rainwater or cleaning can be provided inside the front mounting member 19. The structure is such that water or the like can be prevented from entering and rust or the like is generated, and the strength of the canopy 18 including the front mounting member 19 can be maintained over a long period of time. Further, the rising portion 32 </ b> A of the fitting portion 32 is smoothly continuous with the outer surface of the front mounting member 19, whereby the boundary portion between the front mounting member 19 and the fitting portion 32 can be made inconspicuous. ing.

本実施の形態による油圧ショベル１は上述の如き構成を有するもので、運転席１４に着席したオペレータは、左，右の走行レバー・ペダル装置１６を操作して油圧ショベル１を所望の作業場所まで自走させた後、左，右の操作レバー装置１５、オフセット用ペダル装置１７等を操作することにより、作業装置４を用いて側溝等の掘削作業を行うことができる。   The hydraulic excavator 1 according to the present embodiment has the above-described configuration, and an operator seated in the driver's seat 14 operates the left and right traveling lever / pedal devices 16 to bring the hydraulic excavator 1 to a desired work place. After self-propelled, by operating the left and right operation lever device 15, the offset pedal device 17, and the like, excavation work such as a gutter can be performed using the work device 4.

ここで、フロア部材８の床板部９上にはフロアマット２８が配置され、このフロアマット２８によって、オペレータが運転席１４に乗降するときのスリップを防止すると共に、運転席１４に着席したオペレータの靴から落ちた泥等を受けることができる。   Here, a floor mat 28 is disposed on the floor plate portion 9 of the floor member 8, and the floor mat 28 prevents slipping when the operator gets on and off the driver's seat 14 and also prevents the operator sitting on the driver's seat 14 from slipping. Can receive mud that has fallen from shoes.

そして、本実施の形態では、泥等が付着したフロアマット２８を洗浄した後、このフロアマット２８をフロア部材８に取付けるときの作業性を高めることができるようになっており、以下、フロアマット２８の取付作業について説明する。   In the present embodiment, after the floor mat 28 to which mud or the like is adhered is washed, workability when the floor mat 28 is attached to the floor member 8 can be improved. 28 will be described.

まず、フロアマット２８の取付作業に際しては、図７に示すように、フロアマット２８の中央開口部３０に走行レバー・ペダル装置１６を挿通すると共に、右側開口部３１にオフセット用ペダル装置１７を挿通した状態で、フロア部材８の床板部９上にマット本体２９を配置する。   First, when the floor mat 28 is attached, the travel lever / pedal device 16 is inserted into the central opening 30 of the floor mat 28 and the offset pedal device 17 is inserted into the right opening 31 as shown in FIG. In this state, the mat body 29 is disposed on the floor plate portion 9 of the floor member 8.

このとき、フロアマット２８の中央開口部３０に走行レバー・ペダル装置１６のパイロット弁が嵌合し、右側開口部３１にオフセット用ペダル装置１７のパイロット弁が嵌合することにより、フロアマット２８をフロア部材８に対して適正な位置に位置決めすることができる。   At this time, the pilot valve of the travel lever / pedal device 16 is fitted into the central opening 30 of the floor mat 28 and the pilot valve of the offset pedal device 17 is fitted into the right opening 31, so that the floor mat 28 is The floor member 8 can be positioned at an appropriate position.

この状態で、図７に示すように、フロアマット２８に設けた嵌合部３２の筒状突起部３２Ｂを、キャノピ１８を構成する前側取付部材１９の開口端１９Ｃに対面させ、該開口端１９Ｃ内に嵌合部３２の筒状突起部３２Ｂを押込むことにより嵌合させる。この結果、フロアマット２８をフロア部材８の床板部９を覆う位置に位置決めした状態では、該フロアマット２８をフロア部材８に確実に固定することができる。   In this state, as shown in FIG. 7, the cylindrical protrusion 32B of the fitting portion 32 provided on the floor mat 28 faces the opening end 19C of the front mounting member 19 constituting the canopy 18, and the opening end 19C It is made to fit by pushing the cylindrical projection part 32B of the fitting part 32 inside. As a result, in a state where the floor mat 28 is positioned at a position covering the floor plate portion 9 of the floor member 8, the floor mat 28 can be securely fixed to the floor member 8.

かくして、本実施の形態によれば、キャノピ１８を構成する中空な前側取付部材１９をフロア部材８の前側に固定し、この前側取付部材１９の開口端１９Ｃに、フロアマット２８に設けた嵌合部３２を嵌合させる構成としている。これにより、フロアマット２８は、中央開口部３０が走行レバー・ペダル装置１６に嵌合し、右側開口部３１がオフセット用ペダル装置１７に嵌合することに加え、嵌合部３２の筒状突起部３２Ｂを、前側取付部材１９の開口端１９Ｃに嵌合させることができる。   Thus, according to the present embodiment, the hollow front mounting member 19 constituting the canopy 18 is fixed to the front side of the floor member 8, and the opening end 19C of the front mounting member 19 is fitted to the floor mat 28. The portion 32 is configured to be fitted. As a result, the floor mat 28 has a cylindrical opening of the fitting portion 32 in addition to the center opening 30 fitting into the traveling lever / pedal device 16 and the right opening 31 fitting into the offset pedal device 17. The portion 32 </ b> B can be fitted to the open end 19 </ b> C of the front mounting member 19.

これにより、フロアマット２８を、フロア部材８の床板部９を覆う位置に確実に固定することができる。従って、オペレータが運転席１４に乗降するときのスリップを確実に防止できる上に、オペレータの靴から落ちた泥等をフロアマット２８によって確実に受けることができる。   Thereby, the floor mat 28 can be reliably fixed at a position covering the floor plate portion 9 of the floor member 8. Therefore, slipping when the operator gets on and off the driver's seat 14 can be reliably prevented, and mud or the like dropped from the operator's shoes can be reliably received by the floor mat 28.

一方、汚れたフロアマット２８を取外して洗浄するときには、フロアマット２８の嵌合部３２（筒状突起部３２Ｂ）を弾性変形させ、前側取付部材１９の開口端１９Ｃから抜取ることにより、フロアマット２８をフロア部材８から容易に取外すことができ、洗浄時においてフロアマット２８を着脱するときの作業性を高めることができる。   On the other hand, when the dirty floor mat 28 is removed and cleaned, the fitting portion 32 (cylindrical protrusion 32B) of the floor mat 28 is elastically deformed and removed from the opening end 19C of the front mounting member 19 to thereby remove the floor mat. 28 can be easily removed from the floor member 8, and workability when the floor mat 28 is attached and detached during cleaning can be improved.

また、フロアマット２８に設けた嵌合部３２が、前側取付部材１９の開口端１９Ｃに嵌合してこれを液密に施蓋することにより、前側取付部材１９の内部に雨水や洗浄水等が侵入して錆等が発生するのを抑えることができるので、前側取付部材１９を含むキャノピ１８の強度を長期に亘って保つことができる。   In addition, the fitting portion 32 provided on the floor mat 28 is fitted to the opening end 19C of the front mounting member 19 and is liquid-tightly covered, so that rain water, washing water, or the like is placed inside the front mounting member 19. Since it is possible to prevent rust and the like from entering, it is possible to maintain the strength of the canopy 18 including the front mounting member 19 for a long period of time.

さらに、例えばフロアマット２８とは別部材からなるプラグ（封止栓）等を用いて前側取付部材１９の開口端１９Ｃを施蓋する場合に比較して、このプラグ等を不要とすることができる分、部品点数を削減することができる。しかも、図７に示すように、嵌合部３２の筒状突起部３２Ｂを前側取付部材１９の開口端１９Ｃに嵌合させた状態で、嵌合部３２の立上り部３２Ａは、前側取付部材１９の外側面に滑らかに連続する。これにより、前側取付部材１９と嵌合部３２との境界部分を目立たなくすることができ、油圧ショベル１の外観品質を高めることができる。   Further, for example, compared to the case where the opening end 19C of the front mounting member 19 is covered using a plug (sealing plug) or the like made of a member different from the floor mat 28, this plug or the like can be made unnecessary. Therefore, the number of parts can be reduced. Moreover, as shown in FIG. 7, the rising portion 32 </ b> A of the fitting portion 32 is connected to the front mounting member 19 in a state where the cylindrical protrusion 32 </ b> B of the fitting portion 32 is fitted to the opening end 19 </ b> C of the front mounting member 19. Smoothly continues to the outer surface of the. Thereby, the boundary part of the front side attachment member 19 and the fitting part 32 can be made inconspicuous, and the external appearance quality of the hydraulic shovel 1 can be improved.

なお、上述した実施の形態では、ゴム材料を用いて１枚の平板状に形成したフロアマット２８に嵌合部３２を設けた場合を例示している。しかし、本発明はこれに限るものではなく、例えばフロアマットを前側フロアマットと後側フロアマットとに２分割し、前側フロアマットに嵌合部を設ける構成としてもよい。   In addition, in embodiment mentioned above, the case where the fitting part 32 was provided in the floor mat 28 formed in the shape of one flat plate using rubber material is illustrated. However, the present invention is not limited to this. For example, the floor mat may be divided into two parts, a front floor mat and a rear floor mat, and a fitting portion may be provided on the front floor mat.

また、上述した実施の形態では、右前支柱２１、右後支柱２２、左後支柱２４を備えた３柱式のキャノピ１８を用いた場合を例示している。しかし、本発明はこれに限らず、例えば右前支柱、右後支柱、左前支柱、左後支柱からなる４本の支柱を備えた４柱キャノピを用いてもよい。一方、例えば右前支柱、右後支柱からなる２本の支柱を備えた２柱キャノピを用いてもよい。   Moreover, in embodiment mentioned above, the case where the three pillar type canopy 18 provided with the right front support | pillar 21, the right rear support | pillar 22, and the left rear support | pillar 24 is illustrated. However, the present invention is not limited to this. For example, a four-column canopy including four columns including a right front column, a right rear column, a left front column, and a left rear column may be used. On the other hand, for example, a two-column canopy provided with two columns including a right front column and a right rear column may be used.

さらに、上述した実施の形態では、建設機械として油圧ショベル１を例示している。しかし、本発明はこれに限るものではなく、例えば油圧クレーン等の他の建設機械にも広く適用することができる。   Furthermore, in the embodiment described above, the excavator 1 is exemplified as the construction machine. However, the present invention is not limited to this, and can be widely applied to other construction machines such as a hydraulic crane.

本発明の実施の形態による油圧ショベルを示す正面図である。1 is a front view showing a hydraulic excavator according to an embodiment of the present invention. 油圧ショベルを上方からみた平面図である。It is the top view which looked at the hydraulic excavator from the upper part. 作業装置を取外した油圧ショベルを図１中の矢示III−III方向からみた左側面図である。It is the left view which looked at the hydraulic excavator which removed the working apparatus from the arrow III-III direction in FIG. フロア部材、キャノピ、フロアマットを示す分解斜視図である。It is a disassembled perspective view which shows a floor member, a canopy, and a floor mat. キャノピを単体で示す斜視図である。It is a perspective view which shows a canopy alone. フロアマットを単体で示す斜視図である。It is a perspective view which shows a floor mat alone. フロアマットの嵌合部をキャノピの前側取付部材に嵌合させた状態を示す要部拡大の斜視図である。It is a perspective view of the principal part expansion which shows the state which fitted the fitting part of the floor mat with the front side attachment member of the canopy. フロアマットの嵌合部がキャノピの前側取付部材に嵌合する前の状態を示す要部拡大の斜視図である。It is a perspective view of the principal part expansion which shows the state before the fitting part of a floor mat is fitted to the front side attachment member of a canopy.

符号の説明Explanation of symbols

１ 油圧ショベル
２ 下部走行体
３ 上部旋回体
５ 旋回フレーム
８ フロア部材
９ 床板部
１４ 運転席
１６ 走行レバー・ペダル装置
１８ キャノピ
１９ 前側取付部材
１９Ｃ 開口端
２１ 右前支柱
２２ 右後支柱
２４ 左後支柱
２５ キャノピルーフ
２８ フロアマット
２９ マット本体
３０ 中央開口部
３２ 嵌合部
３２Ｂ 筒状突起部 DESCRIPTION OF SYMBOLS 1 Hydraulic excavator 2 Lower traveling body 3 Upper revolving body 5 Revolving frame 8 Floor member 9 Floor board part 14 Driver's seat 16 Driving lever / pedal device 18 Canopy 19 Front mounting member 19C Open end 21 Right front strut 22 Right rear strut 24 Left rear strut 25 Canopy roof 28 Floor mat 29 Mat body 30 Center opening 32 Fitting portion 32B Cylindrical protrusion

Claims (3)

自走可能な下部走行体と、該下部走行体上に旋回可能に搭載された上部旋回体とからなり、
前記上部旋回体は、支持構造体をなす旋回フレームと、該旋回フレーム上に設けられオペレータが着席する運転席と該運転席の前側に位置して前記オペレータの足場となる床板部とを有するフロア部材と、該フロア部材に取付けられ前記運転席を上方から覆うキャノピと、前記フロア部材の床板部に設けられるフロアマットとを備えてなる建設機械において、
前記キャノピは、端面が開口した中空部材からなり前記フロア部材の前側に取付けられる前側取付部材と、前記フロア部材の後側に取付けられる後側取付部材と、これら前，後の取付部材に固着され上，下方向に延びた複数の支柱と、該各支柱に取付けられ前記運転席を覆うルーフとにより構成し、
前記フロアマットには、前記前側取付部材の開口端に嵌合し該フロアマットを前記フロア部材に対して固定させる嵌合部を設ける構成としたことを特徴とする建設機械。 A self-propelled lower traveling body and an upper revolving body mounted on the lower traveling body so as to be able to swivel,
The upper swivel body includes a swivel frame that forms a support structure, a driver seat that is provided on the swivel frame and is seated by an operator, and a floor plate portion that is positioned in front of the driver seat and serves as a scaffold for the operator. In a construction machine comprising a member, a canopy attached to the floor member and covering the driver's seat from above, and a floor mat provided on a floor plate portion of the floor member,
The canopy is formed of a hollow member having an open end surface, and is fixed to a front mounting member that is mounted on the front side of the floor member, a rear mounting member that is mounted on the rear side of the floor member, and the front and rear mounting members. A plurality of support pillars extending upward and downward, and a roof that is attached to each support pillar and covers the driver's seat;
A construction machine characterized in that the floor mat is provided with a fitting portion that fits into an opening end of the front mounting member and fixes the floor mat to the floor member. 前記フロアマットは、前記フロア部材の床板部を覆うマット本体と、該マット本体の前側に設けられ前記運転席の前側に配置されたレバー・ペダル装置が挿通される開口部と、該開口部よりも前側に位置して前記マット本体の前端部に設けられた前記嵌合部とにより構成してなる請求項１に記載の建設機械。   The floor mat includes a mat main body that covers the floor plate portion of the floor member, an opening that is provided on the front side of the mat main body and that is disposed on the front side of the driver's seat, and through which the lever is inserted. The construction machine according to claim 1, further comprising a fitting portion provided at a front end portion of the mat body and positioned on the front side. 前記キャノピの前側取付部材は閉断面構造を有する筒体として形成し、前記フロアマットの嵌合部は、前記前側取付部材の開口端と対面する位置に設けられ該開口端に嵌合することにより液密に施蓋する筒状突起として構成してなる請求項１または２に記載の建設機械。   The front mounting member of the canopy is formed as a cylinder having a closed cross-sectional structure, and the fitting portion of the floor mat is provided at a position facing the opening end of the front mounting member and is fitted to the opening end. The construction machine according to claim 1, wherein the construction machine is configured as a cylindrical protrusion that is liquid-tightly covered.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965274A2 (en) 2007-02-28 2008-09-03 Brother Kogyo Kabushiki Kaisha Image forming apparatus
JP2010150803A (en) * 2008-12-25 2010-07-08 Kubota Corp Driver seat protecting frame of swing working machine
WO2013094277A1 (en) * 2011-12-21 2013-06-27 日立建機株式会社 Pilot valve attachment structure of construction machine
JP2013159909A (en) * 2012-02-01 2013-08-19 Kobelco Contstruction Machinery Ltd Cabin roof guard device of construction machine
WO2023181533A1 (en) 2022-03-25 2023-09-28 株式会社日立建機ティエラ Construction machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174638U (en) * 1984-04-27 1985-11-19 井関農機株式会社 Floor mat holding device for moving vehicles
JPS63144378U (en) * 1987-03-16 1988-09-22
JPH08332976A (en) * 1995-06-09 1996-12-17 Kubota Corp Floor structure of cabin
JP2004149040A (en) * 2002-10-31 2004-05-27 Shin Caterpillar Mitsubishi Ltd Floor mat and working machine
JP2005119362A (en) * 2003-10-14 2005-05-12 Hitachi Constr Mach Co Ltd Construction machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174638U (en) * 1984-04-27 1985-11-19 井関農機株式会社 Floor mat holding device for moving vehicles
JPS63144378U (en) * 1987-03-16 1988-09-22
JPH08332976A (en) * 1995-06-09 1996-12-17 Kubota Corp Floor structure of cabin
JP2004149040A (en) * 2002-10-31 2004-05-27 Shin Caterpillar Mitsubishi Ltd Floor mat and working machine
JP2005119362A (en) * 2003-10-14 2005-05-12 Hitachi Constr Mach Co Ltd Construction machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965274A2 (en) 2007-02-28 2008-09-03 Brother Kogyo Kabushiki Kaisha Image forming apparatus
JP2010150803A (en) * 2008-12-25 2010-07-08 Kubota Corp Driver seat protecting frame of swing working machine
WO2013094277A1 (en) * 2011-12-21 2013-06-27 日立建機株式会社 Pilot valve attachment structure of construction machine
JP2013159909A (en) * 2012-02-01 2013-08-19 Kobelco Contstruction Machinery Ltd Cabin roof guard device of construction machine
WO2023181533A1 (en) 2022-03-25 2023-09-28 株式会社日立建機ティエラ Construction machine

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