JPH0538057U - Cabin structure in backhoe - Google Patents

Cabin structure in backhoe

Info

Publication number
JPH0538057U
JPH0538057U JP8404491U JP8404491U JPH0538057U JP H0538057 U JPH0538057 U JP H0538057U JP 8404491 U JP8404491 U JP 8404491U JP 8404491 U JP8404491 U JP 8404491U JP H0538057 U JPH0538057 U JP H0538057U
Authority
JP
Japan
Prior art keywords
shape
opening
cabin
closing door
revolving frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8404491U
Other languages
Japanese (ja)
Other versions
JP2546731Y2 (en
Inventor
正男 隅
正夫 永田
Original Assignee
セイレイ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by セイレイ工業株式会社 filed Critical セイレイ工業株式会社
Priority to JP1991084044U priority Critical patent/JP2546731Y2/en
Publication of JPH0538057U publication Critical patent/JPH0538057U/en
Application granted granted Critical
Publication of JP2546731Y2 publication Critical patent/JP2546731Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

(57)【要約】 【目的】 バックホーの開閉ドアが機体外周より突出し
ないようにした。 【構成】 走行装置2の上部に、掘削装置4を具備する
旋回フレーム3を載置したバックホーにおいて、旋回フ
レーム3の外形を平面視で円形状に構成すると共に、同
旋回フレーム3上に運転者用キャビン14を設け、しか
も、同キャビン14を構成する開閉ドア15の平面形状を、
旋回フレーム3の形状に沿って円弧状に形成し、かつ、
同開閉ドア15は円弧状に沿って開閉作動すること。
(57) [Summary] [Purpose] The opening and closing doors of the backhoe were prevented from protruding from the outer periphery of the aircraft. [Structure] In a backhoe in which a revolving frame 3 equipped with an excavating device 4 is mounted on an upper part of a traveling device 2, the outer shape of the revolving frame 3 is formed into a circular shape in a plan view, and a driver is mounted on the revolving frame 3. The cabin 14 is provided, and in addition, the plane shape of the opening / closing door 15 that constitutes the cabin 14 is
Formed in an arc shape along the shape of the swivel frame 3, and
The opening / closing door 15 should be opened / closed along an arc.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、旋回フレーム上に掘削装置を具備するバックホーにおけるキャビン 構造に関する。 The present invention relates to a cabin structure in a backhoe having an excavation device on a swing frame.

【0002】[0002]

【従来の技術】[Prior Art]

従来、バックホーのキャビン構造は、図5に示す如く構成されており、旋回フ レーム30を円形状に形成して、同旋回フレーム30上に設ける運転者用キャビン31 は、同キャビン31の外形が旋回フレーム30の形状に沿って構成されていないもの であった。 Conventionally, the cabin structure of the backhoe is configured as shown in FIG. 5, and the driver's cabin 31 provided on the revolving frame 30 by forming the revolving frame 30 in a circular shape has an outer shape of the cabin 31. It was not configured according to the shape of the swivel frame 30.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

ところが、上記の従来例のものは、運転者用キャビン31の開閉ドア32が蝶番を 中心に外側に開閉するものであるから工事現場において、同開閉ドア32が開いた 状態で旋回フレーム30が回動すると障害物により損傷することがあった。 However, in the conventional example described above, the opening / closing door 32 of the driver's cabin 31 opens and closes outward around the hinge.Therefore, at the construction site, the revolving frame 30 rotates with the opening / closing door 32 open. When moved, it could be damaged by obstacles.

【0004】 また、壁ぎわにて作業する場合には、開閉ドア31が壁に当って開閉できないと いった不具合を有していた。Further, when working on a wall, the opening / closing door 31 hits the wall and cannot be opened / closed.

【0005】[0005]

【課題を解決するための手段】[Means for Solving the Problems]

本考案では、走行装置の上部に、掘削装置を具備する旋回フレームを載置した バックホーにおいて、旋回フレームの外形を平面視で円形状に構成すると共に、 同旋回フレーム上に運転者用キャビンを設け、しかも、同キャビンを構成する開 閉ドアの平面形状を、旋回フレームの形状に沿って円弧状に形成し、かつ、同開 閉ドアは円弧状に沿って開閉作動することを特徴とするバックホーにおけるキャ ビン構造を提供せんとするものである。 According to the present invention, in a backhoe in which a revolving frame equipped with an excavating device is mounted on an upper part of a traveling device, an outer shape of the revolving frame is configured in a circular shape in plan view, and a driver's cabin is provided on the revolving frame. In addition, the opening and closing door forming the cabin is formed in a circular arc shape along the shape of the revolving frame, and the opening and closing door is opened and closed along the circular arc shape. It is intended to provide the cabin structure in.

【0006】[0006]

【実施例】 本考案の実施例を図面に基づき具体的に説明すると、図1において、1はバッ クホーであって、クローラ型走行装置2の上部に旋回フレーム3を載置して旋回 自在としている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. In FIG. 1, reference numeral 1 is a backhoe, and a swivel frame 3 is placed on an upper part of a crawler type traveling device 2 so as to be freely swiveled. There is.

【0007】 そして、同旋回フレーム3の外形は図2に示す如く平面視で略円形に構成され ている。The outer shape of the revolving frame 3 is formed into a substantially circular shape in plan view as shown in FIG.

【0008】 4は掘削装置であって、主ブーム5の上部に中間ブーム6を連結しながら、同 中間ブーム6の上部にオフセットアーム7並びにバケットアーム8を連結してい る。Reference numeral 4 denotes an excavator, which connects an intermediate boom 6 to the upper part of the main boom 5 and an offset arm 7 and a bucket arm 8 to the upper part of the intermediate boom 6.

【0009】 また、9はバケットアーム8の先端に設ける掘削バケット、10は主ブーム5を 上下昇降させる主ブームシリンダ、11はオフセットアーム7を左右方向に回動さ せるオフセットシリンダ、12はアームシリンダ、13はバケットシリンダであって 、これらによって掘削装置4を構成している。Further, 9 is an excavation bucket provided at the tip of the bucket arm 8, 10 is a main boom cylinder for moving the main boom 5 up and down, 11 is an offset cylinder for rotating the offset arm 7 left and right, and 12 is an arm cylinder. , 13 are bucket cylinders, which constitute the excavator 4.

【0010】 また、14は、円形に形成された旋回フレーム3上に設ける運転者用キャビンで あって、同キャビン14の外側14-1は旋回フレーム3の形状に沿うように平面視で 円弧状に形成されている。Reference numeral 14 denotes a driver cabin provided on the revolving frame 3 formed in a circular shape, and an outer side 14-1 of the cabin 14 has an arc shape in a plan view so as to follow the shape of the revolving frame 3. Is formed in.

【0011】 15は同キャビン14に設ける開閉ドアであって、円弧状に構成されていると共に 、上下両側にローラ16を設け、かつ、円弧状に形成された上側レール17と下側レ ール18に支持されながら、円弧状に開閉されるものである。Reference numeral 15 denotes an opening / closing door provided in the same cabin 14, which is formed in an arc shape, has rollers 16 on both upper and lower sides, and has an upper rail 17 and a lower rail which are formed in an arc shape. While being supported by 18, it is opened and closed in an arc shape.

【0012】 また、19は操作盤、20は操作レバー、21は運転者用座席である。また、22は旋 回フレーム3上に搭載するエンジン、23は燃料タンク、24は作動油タンクである 。Reference numeral 19 is an operation panel, 20 is an operation lever, and 21 is a driver's seat. Further, 22 is an engine mounted on the rotating frame 3, 23 is a fuel tank, and 24 is a hydraulic oil tank.

【0013】 本考案の実施例は上記の如く構成されており、運転者がキャビン14内に乗り込 む場合は、円弧状に形成された開閉ドア15を、上下側レール17,18 に沿って、後 方へ移動させる。そして、運転者が乗り込んだ後で開閉ドア15を閉める。したが って、開閉ドア15は、旋回フレーム3の外形より突出しない状態で開閉操作がで きるものである。The embodiment of the present invention is configured as described above, and when the driver gets in the cabin 14, the opening / closing door 15 formed in an arc shape is provided along the upper and lower rails 17 and 18. , Move it backwards. Then, after the driver gets in, the opening / closing door 15 is closed. Therefore, the opening / closing door 15 can be opened / closed without protruding from the outer shape of the revolving frame 3.

【0014】 以上の如く上記実施例によれば、旋回フレーム3の外形を平面視で円形状に構 成すると共に、同旋回フレーム3上に運転者用キャビン14を設け、しかも同キャ ビン14を構成する開閉ドア15の平面形状を旋回フレーム3の形状に沿って円弧状 に形成し、かつ、開閉ドア15は円弧状に開閉作動するものであるから、同開閉ド ア15を開いた場合でも、同開閉ドア15が障害物と接触することがなく、安全に作 業が行い得るものである。As described above, according to the above embodiment, the outer shape of the revolving frame 3 is formed into a circular shape in a plan view, the driver's cabin 14 is provided on the revolving frame 3, and the same cabin 14 is provided. The opening / closing door 15 is formed in a circular arc shape along the shape of the revolving frame 3, and the opening / closing door 15 is opened / closed in an arc shape. Therefore, even when the opening / closing door 15 is opened. Therefore, the opening / closing door 15 does not come into contact with an obstacle, and the operation can be performed safely.

【0015】 また、作業現場では、壁ぎわであっても開閉ドア15を開くことができ、したが って、運転者の乗降が容易である。Further, at the work site, the opening / closing door 15 can be opened even in the case of a wall, so that the driver can easily get on and off the vehicle.

【0016】 また、図6はエンジンに連結するマフラカバーに関する実施例を示すもであっ て、図中、40はエンジンに接続するサイレンサーで、上部をボンネット41にて覆 われている。42は同サイレンサー40より斜上方に突設する排気尾管であって、同 排気尾管42の上端には多孔板42-1や金網を設けて吹出口42-2を構成している。FIG. 6 shows an embodiment relating to a muffler cover connected to an engine. In the figure, 40 is a silencer connected to the engine, the upper part of which is covered with a hood 41. Reference numeral 42 denotes an exhaust tail pipe projecting obliquely upward from the silencer 40, and a perforated plate 42-1 and a wire mesh are provided at the upper end of the exhaust tail pipe 42 to form an outlet 42-2.

【0017】 43は上記排気尾管42の外周を覆う排気管カバーで、内周にグラスウールなどの 吸音材44を貼着している。45は仕切板、46は固定ボルトである。An exhaust pipe cover 43 covers the outer circumference of the exhaust tail pipe 42, and a sound absorbing material 44 such as glass wool is attached to the inner circumference. 45 is a partition plate and 46 is a fixing bolt.

【0018】 したがって、上記実施例によれば、排気尾管42の吹出口42-2に多孔板42-1や金 網を設けているのでエンジンの排気が小さな孔から吹出すので、排気により発生 する騒音のうち低周波が大幅に減衰するものである。Therefore, according to the above-described embodiment, since the perforated plate 42-1 and the metal net are provided at the outlet port 42-2 of the exhaust tail pipe 42, the exhaust gas of the engine is blown out from a small hole, so that the exhaust gas is generated. Of the noise generated, low frequencies are significantly attenuated.

【0019】 また、エンジンの排気により発生する騒音のうち高周波音は吸音材44により吸 収され、全体として排気騒音が低減されるものである。Further, of the noise generated by the exhaust of the engine, the high frequency sound is absorbed by the sound absorbing material 44, and the exhaust noise is reduced as a whole.

【0020】[0020]

【考案の効果】[Effect of the device]

本考案によれば、旋回フレームの外形を平面視で円形状に構成すると共に、同 旋回フレーム上に運転者用キャビンを設け、しかも同キャビンを構成する開閉ド アの平面形状を旋回フレームの形状に沿って円弧状に形成し、かつ、開閉ドアは 円弧状に開閉作動するものであるから、同開閉ドアを開いた場合でも、同開閉ド アが障害物と接触することがなく、安全に作業が行い得るものである。 According to the present invention, the outer shape of the revolving frame is formed in a circular shape in a plan view, the driver's cabin is provided on the revolving frame, and the plane shape of the opening / closing door forming the cabin is the revolving frame shape. Since the door is formed in an arc shape along the line and the opening / closing door operates to open / close in an arc shape, even if the opening / closing door is opened, the opening / closing door does not come into contact with an obstacle, so that the door can be safely operated. It is something that can be done.

【0021】 また、作業現場では、壁ぎわであっても開閉ドアを開くことができ、したがっ て、運転者の乗降が容易である。In addition, at the work site, the opening / closing door can be opened even on the wall, so that the driver can easily get on and off the vehicle.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案を装備するバックホーの全体側面図。FIG. 1 is an overall side view of a backhoe equipped with the present invention.

【図2】本考案要部の平面図。FIG. 2 is a plan view of an essential part of the present invention.

【図3】同要部の斜視図。FIG. 3 is a perspective view of the main part.

【図4】開閉ドア部の断面図。FIG. 4 is a sectional view of an opening / closing door portion.

【図5】従来型を示す平面図。FIG. 5 is a plan view showing a conventional type.

【図6】エンジンのマフラーカバー部の断面側面図。FIG. 6 is a sectional side view of a muffler cover portion of the engine.

【符号の説明】[Explanation of symbols]

2 走行装置 3 旋回フレーム 4 掘削装置 14 キャビン 15 開閉ドア 2 Traveling device 3 Revolving frame 4 Excavator 14 Cabin 15 Open / close door

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 走行装置2の上部に、掘削装置4を具備
する旋回フレーム3を載置したバックホーにおいて、旋
回フレーム3の外形を平面視で円形状に構成すると共
に、同旋回フレーム3上に運転者用キャビン14を設け、
しかも、同キャビン14を構成する開閉ドア15の平面形状
を、旋回フレーム3の形状に沿って円弧状に形成し、か
つ、同開閉ドア15は円弧状に沿って開閉作動することを
特徴とするバックホーにおけるキャビン構造。
1. In a backhoe having a turning frame (3) equipped with an excavator (4) mounted on an upper part of a traveling unit (2), the outer shape of the turning frame (3) is formed into a circular shape in plan view, and the turning frame (3) is mounted on the turning frame (3). A driver's cabin 14 is provided,
Moreover, the plane shape of the opening / closing door 15 constituting the cabin 14 is formed in an arc shape along the shape of the revolving frame 3, and the opening / closing door 15 is opened / closed along the arc shape. Cabin structure on the backhoe.
JP1991084044U 1991-10-16 1991-10-16 Cabin structure in backhoe Expired - Fee Related JP2546731Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991084044U JP2546731Y2 (en) 1991-10-16 1991-10-16 Cabin structure in backhoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991084044U JP2546731Y2 (en) 1991-10-16 1991-10-16 Cabin structure in backhoe

Publications (2)

Publication Number Publication Date
JPH0538057U true JPH0538057U (en) 1993-05-21
JP2546731Y2 JP2546731Y2 (en) 1997-09-03

Family

ID=13819515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991084044U Expired - Fee Related JP2546731Y2 (en) 1991-10-16 1991-10-16 Cabin structure in backhoe

Country Status (1)

Country Link
JP (1) JP2546731Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994002689A1 (en) * 1992-07-21 1994-02-03 Kabushiki Kaisha Komatsu Seisakusho Operator cab of construction machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04353129A (en) * 1991-05-30 1992-12-08 Komatsu Ltd Driver's cab for construction equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04353129A (en) * 1991-05-30 1992-12-08 Komatsu Ltd Driver's cab for construction equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994002689A1 (en) * 1992-07-21 1994-02-03 Kabushiki Kaisha Komatsu Seisakusho Operator cab of construction machine
GB2284580A (en) * 1992-07-21 1995-06-14 Komatsu Mfg Co Ltd Operator cab of construction machine
GB2284580B (en) * 1992-07-21 1996-09-11 Komatsu Mfg Co Ltd Construction machine operator cab
US5577795A (en) * 1992-07-21 1996-11-26 Kabushiki Kaisha Komatsu Seisakusho Operator cab door of construction machine

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JP2546731Y2 (en) 1997-09-03

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