JPH09137467A - Back hoe - Google Patents

Back hoe

Info

Publication number
JPH09137467A
JPH09137467A JP29306895A JP29306895A JPH09137467A JP H09137467 A JPH09137467 A JP H09137467A JP 29306895 A JP29306895 A JP 29306895A JP 29306895 A JP29306895 A JP 29306895A JP H09137467 A JPH09137467 A JP H09137467A
Authority
JP
Japan
Prior art keywords
bonnet
engine
shape
engine bonnet
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
JP29306895A
Other languages
Japanese (ja)
Other versions
JP3294086B2 (en
Inventor
Katsuhiko Yugawa
勝彦 湯川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP29306895A priority Critical patent/JP3294086B2/en
Publication of JPH09137467A publication Critical patent/JPH09137467A/en
Application granted granted Critical
Publication of JP3294086B2 publication Critical patent/JP3294086B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

PROBLEM TO BE SOLVED: To make thin and light a bonnet without loading the operator's weight on the bonnet, by providing a frame for shape-retaining the bonnet in the inside face of the engine bonnet and integrally forming an operating seat thereon so as to open/close it. SOLUTION: A retaining frame 18 for the shape of a bonnet constituted of a pair of right and left pipe frames 18a and a pair of front and rear connection plates 18b, 18c, and reinforcing plates 18d, 18e is provided at the inside face of an engine bonnet 7. An operating seat 8 is attached to the bonnet at the upper part of the retaining frame 18 for the bonnet shape. And further, the bonnet 7 is formed to be movable through a link mechanism. In this constitution, the weight of an operator is supported by the retaining frame 18 and hence, the engine bonnet 7 can be made thin and light and various shapes and designs can be formed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、バックホウに関す
る。
TECHNICAL FIELD The present invention relates to a backhoe.

【0002】[0002]

【従来の技術】従来のバックホウは、実開昭63‐18
9985号公報に示されるように、操縦席を揺動開閉自
在なエンジンボンネットの上面に取付けてエンジンボン
ネットと一体的に揺動開閉可能に構成してある。
2. Description of the Related Art A conventional backhoe is a practically used shokai 63-18.
As disclosed in Japanese Patent No. 9985, the cockpit is mounted on the upper surface of an engine bonnet that can be swung open / closed, and is configured to be able to swing and open integrally with the engine bonnet.

【0003】[0003]

【発明が解決しようとする課題】操縦者の荷重をエンジ
ンボンネット自体で受止め支持する為、エンジンボンネ
ットの肉厚を厚くしなければならず、エンジンボンネッ
トを色々な形状のデザインにプレス成型し難い不都合が
あった。
Since the engine bonnet itself receives and supports the operator's load, the thickness of the engine bonnet must be increased, which makes it difficult to press-mold the engine bonnet into various shapes. There was an inconvenience.

【0004】本発明の目的は、エンジンボンネットの上
面に操縦席を設けるものであり乍らエンジンボンネット
を色々な形状のデザインに成型できるようにする点にあ
る。
An object of the present invention is to provide a cockpit on the upper surface of the engine bonnet, and to allow the engine bonnet to be molded into various shapes of designs.

【0005】[0005]

【課題を解決するための手段】請求項1に記載の本発明
は、エンジンボンネットの上面に操縦席を取付けてある
バックホウであって、前記エンジンボンネットの内面に
ボンネット保形フレームを設け、そのボンネット保形フ
レーム上部のボンネット部分に操縦席を取付けてエンジ
ンボンネットと一体的に揺動開閉可能に構成してある。 〔作用〕着座によってエンジンボンネットにかかる操縦
者の荷重をエンジンボンネットの内面に設けたボンネッ
ト保形フレームで支持することによって、エンジンボン
ネット自体に操縦者の荷重が作用することがなく、これ
によって、エンジンボンネットを強度の要らない薄肉で
軽量のものから構成し得る。 〔効果〕上記構成の結果、エンジンボンネットを薄肉の
板金もので色々な形状のデザインにプレス成型、或い
は、エンジンボンネットを樹脂化することができ、色々
な形状のデザインに成形し易くなる。
The present invention according to claim 1 is a backhoe having a cockpit mounted on an upper surface of an engine bonnet, wherein a bonnet shape retaining frame is provided on an inner surface of the engine bonnet. A pilot seat is attached to the bonnet part above the shape retention frame so that it can be swingably opened and closed integrally with the engine bonnet. [Operation] By supporting the operator's load applied to the engine bonnet by seating with the bonnet shape-maintaining frame provided on the inner surface of the engine bonnet, the operator's load does not act on the engine bonnet itself. The bonnet can be made of a thin, lightweight material that does not require strength. [Effect] As a result of the above configuration, the engine bonnet can be press-molded with a thin metal plate into various shapes of the design, or the engine bonnet can be resinized, and the shapes of the various shapes can be easily molded.

【0006】請求項2に記載の本発明は、エンジンボン
ネットを不等辺リンク機構を介して揺動開閉可能に構成
してある。 〔作用〕エンジンボンネットを不等辺リンク機構を介し
て揺動開閉可能に構成してあるから、例えば、一軸周り
で揺動開閉可能に構成する場合のように、揺動開閉用の
蝶番を強度的に弱いボンネット端部に取付ける必要がな
く、図2に示すように、リンク装着用のブラケットを強
度的に弱いボンネット端部から比較的離れた箇所に取付
けることができる。 〔効果〕上記構成の結果、ボンネット開閉用のリンク装
着用ブラケットの周りから亀裂が入ったりすることを避
けることができ、薄肉軽量化ボンネットの揺動開閉機構
の耐久性が向上する。
According to a second aspect of the present invention, the engine bonnet is constructed so as to be capable of swinging and opening / closing via an unequal side link mechanism. [Operation] Since the engine bonnet is configured to swing open / close via the unequal side link mechanism, a hinge for swing opening / closing is provided with strong strength, for example, as in the case of swing open / close around one axis. It is not necessary to attach it to the bonnet end that is weak, and as shown in FIG. 2, the link mounting bracket can be attached at a position relatively distant from the bonnet end where strength is weak. [Effect] As a result of the above configuration, it is possible to avoid cracking around the link mounting bracket for opening and closing the bonnet, and the durability of the swing opening / closing mechanism of the thin and lightweight bonnet is improved.

【0007】[0007]

【発明の実施の形態】図1は、ドーザ装置1を装備した
バックホウAの全体を示し、クローラ走行装置2の上部
に旋回台3を縦軸芯P周りに回動自在に取付け、その旋
回台3の前部に、縦軸芯周りに左右揺動可能にスイング
ブラケット4を取付け、そのスイングブラケット4に、
ブーム5a、アーム5b、バケット5cからなる掘削装
置5を横軸芯X周りに上下揺動可能に取付け、そして、
旋回台3の左前側に、前記クローラ走行装置2や掘削装
置5などを駆動操作するレバーを配備した操縦ボックス
6を設け、後部のエンジンボンネット7上面に操縦席8
を設け、旋回台3の後部にバランスウエイト9を設けて
ある。
1 shows an entire backhoe A equipped with a dozer device 1, in which a swivel base 3 is attached to an upper part of a crawler traveling device 2 so as to be rotatable around a vertical axis P, and the swivel base is shown. The swing bracket 4 is attached to the front part of 3 so as to be swingable right and left around the vertical axis, and the swing bracket 4 is attached to the swing bracket 4.
An excavator 5 including a boom 5a, an arm 5b, and a bucket 5c is attached so as to be vertically swingable around a horizontal axis X, and
On the left front side of the swivel base 3, there is provided a control box 6 in which a lever for driving and operating the crawler traveling device 2, the excavation device 5 and the like is provided, and a control seat 8 is provided on an upper surface of an engine hood 7 at a rear portion.
And a balance weight 9 is provided at the rear of the swivel base 3.

【0008】図4及び図5に示すように、前記エンジン
ボンネット7内には、エンジンEの下部を旋回台3内に
入り込ませた状態で、ラジエーター10を右側に位置さ
せてエンジンEを横向きに配備し、そのエンジンEの右
後部上方にエアークリーナ12、エンジンの左横側部上
方にマフラー13を、夫々、配置してある。
As shown in FIGS. 4 and 5, in the engine bonnet 7, with the lower part of the engine E inserted into the swivel base 3, the radiator 10 is positioned on the right side and the engine E is turned sideways. The air cleaner 12 is arranged above the right rear part of the engine E, and the muffler 13 is arranged above the left lateral side part of the engine.

【0009】前記旋回台後部のバランスウエイト9は、
作動油タンクを兼ねたバランスウエイトであって、鋳物
によって形成されており、作動油タンク部を形成する凹
入部9aの上部が蓋9bを介して密閉されている。そし
て、その蓋9bの左側の上部に作動油の増量をはかるた
めの補助タンク部9cを設けてあり、その補助タンク部
9cの右横側部にバッテリー14を搭載配備してある。
The balance weight 9 at the rear of the swivel base is
The balance weight doubles as a hydraulic oil tank, is made of cast metal, and an upper portion of a recess 9a forming a hydraulic oil tank portion is sealed with a lid 9b. An auxiliary tank portion 9c for increasing the amount of hydraulic oil is provided on the upper left side of the lid 9b, and a battery 14 is mounted on the right side portion of the auxiliary tank portion 9c.

【0010】前記エンジンボンネット7は、旋回台3の
前後方向の中央から後部にかけて旋回台3の横幅略全域
を覆う形状に形成されており、作動油タンク部9aの蓋
9bに設けられたブラケット15とボンネット7内面に
設けられたブラケット16とに架設された不等辺リンク
機構17を介して機体後方に揺動開閉可能に構成されて
いる。
The engine bonnet 7 is formed in a shape covering substantially the entire lateral width of the swivel 3 from the center to the rear of the swivel 3 in the front-rear direction, and a bracket 15 provided on the lid 9b of the hydraulic oil tank 9a. And a bracket 16 provided on the inner surface of the bonnet 7 via a unequal side link mechanism 17 that can swing and open rearward of the machine body.

【0011】前記エンジンボンネット7は樹脂成型され
たものであって、図2に示すように、上面に操縦席8の
シート部が一部入込む窪み7aを有し、そのエンジンボ
ンネット7の内面には、操縦者の荷重を受け止め支持す
る金属製のボンネット保形フレーム18を設けてある。
前記ボンネット保形フレーム18は、左右一対の前後方
向に沿ったパイプフレーム18a,18aと、このパイ
プフレーム18a,18aの先端及び後端同士を連結す
る前後一対の連結プレート18b,18c、並びに、パ
イプフレーム18a,18aの上部の前端及び中間部同
士を相互に補強連結する前部補強プレート18dと中間
部補強プレート18eから構成されており、前記各プレ
ート18b,18c,18d,18eが前記エンジンボ
ンネット7の内面にビス止め連結されている。そして、
前記ボンネット保形フレーム18上部のボンネット部分
に、ボンネット保形フレーム18より若干左側に位置す
る状態で操縦席8を取付けてある。前記左右一対のパイ
プフレーム18a,18aの後端同士を連結する連結プ
レート18cに、前記不等辺リンク機構17装着用のブ
ラケット16が一体的に固着連結されており、また、前
記左右一対のパイプフレーム18a,18aの先端同士
を連結する連結プレート18bに、前後軸芯周りで回動
自在なボンネットロック具19が設けられている。ま
た、前記エンジンボンネット7の下端には、ゴムシール
20が装着されている。
The engine bonnet 7 is resin-molded, and as shown in FIG. 2, it has a recess 7a on the upper surface into which the seat portion of the cockpit 8 is partially inserted, and the inner surface of the engine bonnet 7 is formed. Is provided with a metal bonnet shape retention frame 18 for receiving and supporting the load of the operator.
The bonnet shape retention frame 18 includes a pair of left and right pipe frames 18a, 18a along the front-rear direction, a pair of front and rear connecting plates 18b, 18c for connecting the front and rear ends of the pipe frames 18a, 18a, and a pipe. The frame 18a, 18a is composed of a front reinforcing plate 18d and a middle reinforcing plate 18e for reinforcing and connecting the front ends of the upper part and the middle part to each other. It is connected to the inner surface of the machine with screws. And
The cockpit 8 is attached to the bonnet portion above the bonnet shape-maintaining frame 18 so as to be located slightly left of the bonnet shape-maintaining frame 18. The bracket 16 for mounting the unequal side link mechanism 17 is integrally fixedly connected to a connecting plate 18c that connects the rear ends of the pair of left and right pipe frames 18a, and the pair of left and right pipe frames. A bonnet lock tool 19 that is rotatable about the front-rear axis is provided on a connection plate 18b that connects the tips of the 18a and 18a. A rubber seal 20 is attached to the lower end of the engine bonnet 7.

【0012】前記ボンネット開閉用の不等辺リンク機構
17は、つの字状の前部リンク17aと、くの字状の後
部リンク17bとからなり、ボンネット開放時、ボンネ
ットが後方に揺動開方可能に構成されている。
The unequal side link mechanism 17 for opening and closing the bonnet comprises a front link 17a having a V-shape and a rear link 17b having a V-shape. When the bonnet is opened, the bonnet can swing rearward and open. Is configured.

【0013】前記バッテリー14は、作動油タンク部を
形成するバランスウエイト9上面の蓋9bに設けられた
ブラケット21に対して係脱自在なロッド22並びにナ
ット23を介して固定されている。
The battery 14 is fixed to a bracket 21 provided on a lid 9b on the upper surface of the balance weight 9 forming a hydraulic oil tank portion by means of a rod 22 and a nut 23 which can be engaged and disengaged.

【0014】〔別実施の形態〕保形フレームは、設計変
更できる範囲内であれば、いかなる形状、構造であって
も良い。
[Other Embodiment] The shape-retaining frame may have any shape and structure as long as the design can be changed.

【0015】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。
In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the accompanying drawings.

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

【図1】バックホウの全体側面図1] Overall side view of backhoe

【図2】ボンネットの縦断側面図[Fig. 2] Vertical side view of the bonnet

【図3】ボンネットの平面図FIG. 3 is a plan view of the bonnet.

【図4】旋回台の一部破断側面図FIG. 4 is a partially cutaway side view of the swivel base.

【図5】旋回台の平面図FIG. 5 is a plan view of a swivel base.

【符号の説明】[Explanation of symbols]

7 エンジンボンネット 8 操縦席 17 不等辺リンク機構 18 ボンネット保形フレーム 7 engine bonnet 8 cockpit 17 unequal side link mechanism 18 bonnet shape retention frame

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 エンジンボンネット(7)の上面に操縦
席(8)を取付けてあるバックホウであって、前記エン
ジンボンネット(7)の内面にボンネット保形フレーム
(18)を設け、そのボンネット保形フレーム(18)
上部のボンネット部分に操縦席(8)を取付けてエンジ
ンボンネット(7)と一体的に揺動開閉可能に構成して
あるバックホウ。
1. A backhoe having a cockpit (8) mounted on an upper surface of an engine bonnet (7), wherein a bonnet shape retaining frame (18) is provided on an inner surface of the engine bonnet (7), and the bonnet shape retaining shape is provided. Frame (18)
A backhoe that has a cockpit (8) attached to the upper bonnet and can swing and open integrally with the engine bonnet (7).
【請求項2】 前記エンジンボンネット(7)を不等辺
リンク機構(17)を介して揺動開閉可能に構成してあ
る請求項1に記載のバックホウ。
2. The backhoe according to claim 1, wherein the engine bonnet (7) is configured so as to be capable of swinging and opening and closing via an unequal side link mechanism (17).
JP29306895A 1995-11-10 1995-11-10 Backhoe Expired - Fee Related JP3294086B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29306895A JP3294086B2 (en) 1995-11-10 1995-11-10 Backhoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29306895A JP3294086B2 (en) 1995-11-10 1995-11-10 Backhoe

Publications (2)

Publication Number Publication Date
JPH09137467A true JPH09137467A (en) 1997-05-27
JP3294086B2 JP3294086B2 (en) 2002-06-17

Family

ID=17790047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29306895A Expired - Fee Related JP3294086B2 (en) 1995-11-10 1995-11-10 Backhoe

Country Status (1)

Country Link
JP (1) JP3294086B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11172720A (en) * 1997-12-09 1999-06-29 Kubota Corp Back hoe
WO2004040070A1 (en) * 2002-10-18 2004-05-13 Shin Caterpillar Mitsubishi Ltd. Seat and working machine with the same
JP2007217892A (en) * 2006-02-14 2007-08-30 Hitachi Constr Mach Co Ltd Construction machinery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11172720A (en) * 1997-12-09 1999-06-29 Kubota Corp Back hoe
WO2004040070A1 (en) * 2002-10-18 2004-05-13 Shin Caterpillar Mitsubishi Ltd. Seat and working machine with the same
JP2007217892A (en) * 2006-02-14 2007-08-30 Hitachi Constr Mach Co Ltd Construction machinery
JP4607788B2 (en) * 2006-02-14 2011-01-05 日立建機株式会社 Construction machinery

Also Published As

Publication number Publication date
JP3294086B2 (en) 2002-06-17

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