JP2000104284A - Upper frame of construction machine - Google Patents

Upper frame of construction machine

Info

Publication number
JP2000104284A
JP2000104284A JP10291456A JP29145698A JP2000104284A JP 2000104284 A JP2000104284 A JP 2000104284A JP 10291456 A JP10291456 A JP 10291456A JP 29145698 A JP29145698 A JP 29145698A JP 2000104284 A JP2000104284 A JP 2000104284A
Authority
JP
Japan
Prior art keywords
cabin
upper frame
outer frame
reinforcing plate
construction machine
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
JP10291456A
Other languages
Japanese (ja)
Other versions
JP3725711B2 (en
Inventor
Makoto Maeda
眞 前田
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.)
Kobelco Construction Machinery Co Ltd
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Yutani Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobe Steel Ltd, Yutani Heavy Industries Ltd filed Critical Kobe Steel Ltd
Priority to JP29145698A priority Critical patent/JP3725711B2/en
Publication of JP2000104284A publication Critical patent/JP2000104284A/en
Application granted granted Critical
Publication of JP3725711B2 publication Critical patent/JP3725711B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To improve the strength of a side deck and the comfortableness of a cabin relative to an upper frame of a construction machine comprising an outer frame forming an outer edge and capable of supporting the cabin, by bonding a reinforcement plate to an inner surface of at least a part positioned under the cabin, of the outer frame. SOLUTION: In an upper frame 44 capable of supporting a cabin of a construction machine, a side deck 47L is formed by a beam 53 projecting from a bracket 50 and an outer frame 54 of a closed section cylindrical body forming an outer edge of the upper frame 44. A part of the cabin supporting part 55 supporting the cabin, is mounted on the front both edges of the side deck 47L. The longitudinal both edges of a reinforcement member 1 having a C-shaped cross section, are bonded along one side surface 54a of the outer frame 54 mounted on the projecting side end of the beam 53 between the cabin supporting part 55 and the beam 53, and both ends thereof are bonded to the cabin supporting part 55 and the beam 53.

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、センターセクショ
ンの左右両側にサイドデッキを有する建設機械の上部フ
レームに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper frame of a construction machine having side decks on left and right sides of a center section.

【0002】[0002]

【従来の技術】以下、従来の油圧ショベルの上部フレー
ムの一例を、図4ないし図5を参照しながら説明する。
図4は、従来の油圧ショベルの側面図である。図5は、
図4に示す油圧ショベルの上部フレームを示す図であ
る。
2. Description of the Related Art An example of a conventional upper frame of a hydraulic excavator will be described below with reference to FIGS.
FIG. 4 is a side view of a conventional hydraulic excavator. FIG.
It is a figure which shows the upper frame of the hydraulic shovel shown in FIG.

【0003】40は油圧ショベルであって、この油圧シ
ョベル40は、走行自在な下部走行体41と、この下部
走行体41に旋回自在に搭載される上部旋回体42と、
この上部旋回体42の前部に一端を回動中心として接続
されて伏仰自在に配置されるアタッチメント43とを備
えている。
Reference numeral 40 denotes a hydraulic excavator. The hydraulic excavator 40 includes a lower traveling body 41 that can travel freely, an upper revolving body 42 that is pivotally mounted on the lower traveling body 41,
An attachment 43 is connected to a front portion of the upper revolving unit 42 with one end thereof being a center of rotation and is disposed so as to be able to freely lie up and down.

【0004】上記上部旋回体42は、上部フレーム44
を備えている。この上部フレーム44は、センターセク
ション48と、このセンターセクション48の左右両側
部に配置されるサイドデッキ47L,47Rとからな
る。
The upper revolving unit 42 includes an upper frame 44
It has. The upper frame 44 includes a center section 48 and side decks 47L and 47R arranged on both left and right sides of the center section 48.

【0005】ここで、上記センターセクション48は、
底板49と、この底板49に立設される一対のブラケッ
ト50とからなる。このセンターセクション48のブラ
ケット50の前部には、上記アタッチメント43と図示
しないピンを介して接続されるピン穴51が備えられ、
さらにこの後端部には、カウンタウエイト46を載置す
るカウンタウエイト載置台52が備えられている。
Here, the center section 48 includes:
It comprises a bottom plate 49 and a pair of brackets 50 erected on the bottom plate 49. A pin hole 51 connected to the attachment 43 via a pin (not shown) is provided at a front portion of the bracket 50 of the center section 48.
Further, a counter weight mounting table 52 on which the counter weight 46 is mounted is provided at the rear end.

【0006】また、上記サイドデッキ47L,47R
は、上記センターセクション48のブラケット50から
左,右に張り出した複数のビーム53と、上部フレーム
44の外縁を形成すべくこのビーム53の張出し側端部
に設けられる外枠54とから形成される。そして、この
サイドデッキ47L,47Rは、図示しない各種機器類
を搭載するスペースを有する他、キャビン45が搭載さ
れるキャビン支持部55を有している。
The side decks 47L, 47R
Are formed from a plurality of beams 53 projecting left and right from the bracket 50 of the center section 48, and an outer frame 54 provided at the projecting side end of the beam 53 to form the outer edge of the upper frame 44. . The side decks 47L and 47R have a space for mounting various devices (not shown) and a cabin support 55 on which the cabin 45 is mounted.

【0007】一般的に油圧ショベル40は、走行及び掘
削作業によって、激しい振動・衝撃にさらされている。
そして、この振動・衝撃は上部フレーム44、特に上部
フレーム44に片持ち梁の状態で取り付けられているサ
イドデッキ47L,47Rに大きな影響を与える。この
為、サイドデッキ47L,47Rにはその振動・衝撃に
耐えうる強度が必要である。このことは、キャビン45
の居住性の面からも要求される。
Generally, the hydraulic excavator 40 is exposed to severe vibration and impact during traveling and excavation work.
This vibration / shock has a great effect on the upper frame 44, particularly on the side decks 47L and 47R attached to the upper frame 44 in a cantilever manner. For this reason, the side decks 47L and 47R need to have enough strength to withstand the vibration and shock. This means that cabin 45
It is also required in terms of habitability.

【0008】この為、上記サイドデッキ47L,47R
の外枠54を筒状体とする構成がよく知られている。こ
れによると、外枠54は十分な断面性能を確保できるの
でサイドデッキ47L,47Rの強度が一応向上する。
For this reason, the side decks 47L, 47R
The configuration in which the outer frame 54 is formed into a cylindrical body is well known. According to this, since the outer frame 54 can secure sufficient sectional performance, the strength of the side decks 47L and 47R is temporarily improved.

【0009】[0009]

【発明が解決しようとする課題】しかしながら、上述し
たサイドデッキ47L,47Rの外枠54を筒状体とし
た上部フレーム44においても以下に示すような問題が
あった。
However, the above-described upper frame 44 in which the outer frames 54 of the side decks 47L and 47R are cylindrical has the following problems.

【0010】例えば、キャビン45を支持するキャビン
支持部55を備えたサイドデッキ47Lの前部Aは、セ
ンターセクション48の前端部に比べて大きく張り出す
ように形成している。これは、キャビン45をできるだ
け前方に配置してオペレータの視界性をより向上させよ
うと考えるためである。しかしながら、オペレータの視
界性の向上に伴って、サイドデッキ47Lの前部Aの張
り出しも大きくなるので、筒状体を有する外枠54を以
てしてもサイドデッキ47LのA部の強度不足が懸念さ
れていた。
For example, the front portion A of the side deck 47L provided with the cabin support portion 55 for supporting the cabin 45 is formed so as to be larger than the front end of the center section 48. This is because the cabin 45 is arranged as forward as possible to improve the visibility of the operator. However, the projection of the front portion A of the side deck 47L also increases with the improvement of the visibility of the operator, and therefore, the strength of the portion A of the side deck 47L may be insufficient even with the outer frame 54 having a cylindrical body. I was

【0011】本発明は、このような事情に鑑みなされた
ものであって、サイドデッキの強度向上とキャビンの居
住性向上とを図った建設機械の上部フレームを提供する
ことを目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and has as its object to provide an upper frame of a construction machine in which the strength of a side deck and the livability of a cabin are improved.

【0012】[0012]

【課題を解決するための手段】請求項1に記載の発明
は、外縁を形成する外枠を有し、キャビンを支持可能で
ある建設機械の上部フレームにおいて、上記外枠のう
ち、上記キャビン下方に位置する部分の、少なくとも一
部の内側面に補強板を接合したことを特徴とするもので
ある。
According to a first aspect of the present invention, there is provided an upper frame of a construction machine having an outer frame forming an outer edge and capable of supporting a cabin. , A reinforcing plate is joined to at least a part of the inner surface.

【0013】この場合、キャビン下方の外枠の強度を向
上させることにより、上部フレーム全体の高強度化に繋
がると共に、走行・作業時にかかる上部フレームへの振
動・衝撃を低減することができるのでキャビンの居住性
の向上にも繋がる。また、補強板を外枠の内側面に接合
したことにより、外観美を損なうことがないし、外部に
突出した補強板が岩石等に接触してその部分が集中的に
痛むといった心配もない。
In this case, by improving the strength of the outer frame below the cabin, it is possible to increase the strength of the entire upper frame and to reduce vibration and impact applied to the upper frame during traveling and work. It also leads to improvement of the livability. Further, since the reinforcing plate is joined to the inner surface of the outer frame, the appearance is not impaired, and there is no fear that the reinforcing plate protruding to the outside comes into contact with rocks or the like and the portion is intensively damaged.

【0014】請求項2に記載の発明は、請求項1に記載
の建設機械の上部フレームにおいて、上記補強板が少な
くとも1つの屈曲もしくは湾曲を有する断面形状であっ
て、且つ長手方向に沿った両縁部がともに上記外枠の内
側面に接合されることを特徴とするものである。
According to a second aspect of the present invention, in the upper frame of the construction machine according to the first aspect, the reinforcing plate has a cross-sectional shape having at least one bend or curve, and has both longitudinal and longitudinal sections. Both edges are joined to the inner surface of the outer frame.

【0015】この場合、補強板は、外枠の内側面のみに
取付可能であるので、上部フレームにおける補強板の占
有率を小さくすることが可能となり、省スペース化にも
つながるし、上部フレームのスペースの有効利用にも繋
がる。また、補強板の断面を少なくとも1つの屈曲もし
くは湾曲を有する形状としたので外枠に補強板が接合さ
れたときには、補強板自体が閉断面を有するので、より
一層の強度の向上に繋がる。
In this case, since the reinforcing plate can be attached only to the inner side surface of the outer frame, the occupation ratio of the reinforcing plate in the upper frame can be reduced, which leads to space saving and the upper frame. It leads to effective use of space. Further, since the cross section of the reinforcing plate has at least one bend or curve, when the reinforcing plate is joined to the outer frame, the reinforcing plate itself has a closed cross section, which leads to further improvement in strength.

【0016】請求項3に記載の発明は、請求項1に記載
の建設機械の上部フレームにおいて、上記補強板が少な
くとも1つの屈曲もしくは湾曲を有する断面形状であっ
て、且つ長手方向に沿った縁部の一方が上記外枠の内側
面に接合され、他方が底板上面に接合されることを特徴
とするものである。
According to a third aspect of the present invention, in the upper frame of the construction machine according to the first aspect, the reinforcing plate has a cross-sectional shape having at least one bend or curve, and has an edge along a longitudinal direction. One of the portions is joined to the inner surface of the outer frame, and the other is joined to the upper surface of the bottom plate.

【0017】この場合、補強板の長手方向の縁部の一方
が上部フレームの土台となる底板に接合するので一層高
強度を得ることができる。
In this case, one of the longitudinal edges of the reinforcing plate is joined to the bottom plate serving as the base of the upper frame, so that higher strength can be obtained.

【0018】請求項4に記載の発明は、請求項1ないし
3に記載の建設機械の上部フレームにおいて、上記外枠
の形状が筒状体であることを特徴とするものである。
According to a fourth aspect of the present invention, in the upper frame of the construction machine according to any one of the first to third aspects, the shape of the outer frame is a cylindrical body.

【0019】この場合、筒状体を有する外枠と補強板と
の組み合わせにより、より一層強度の向上が図れる。
In this case, the strength can be further improved by the combination of the outer frame having the cylindrical body and the reinforcing plate.

【0020】[0020]

【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて詳細に説明する。図1は、本発明の第1の実施
形態を示す上部フレームのサイドデッキの要部拡大図で
ある。図2は、図1のB−B断面を示す拡大断面図であ
る。図1において、従来技術と同一構成のものに対して
は同符号を付す。なお、本発明の上部フレーム44は、
従来技術に示されるサイドデッキ47Lの前部A以外は
ほぼ同一構成であるのでここでは説明を省略する。
Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an enlarged view of a main part of a side deck of an upper frame according to a first embodiment of the present invention. FIG. 2 is an enlarged cross-sectional view showing a BB cross section of FIG. In FIG. 1, the same components as those of the prior art are denoted by the same reference numerals. In addition, the upper frame 44 of the present invention
Except for the front part A of the side deck 47L shown in the related art, the configuration is almost the same, and therefore the description is omitted here.

【0021】まず、本発明の第1の実施形態を図1を用
いて説明する。図1に示される47Lはサイドデッキで
あって、このサイドデッキ47Lは、従来技術と同じく
ブラケット50から張り出したビーム53と、上部フレ
ーム44の外縁を形成すべくこのビーム53の張出し側
端部に設けられる閉断面筒状体の外枠54とから形成さ
れる。また、サイドデッキ47Lの前端部両端には、キ
ャビン45を支持するキャビン支持部55の一部が配置
される。
First, a first embodiment of the present invention will be described with reference to FIG. 47L shown in FIG. 1 is a side deck. The side deck 47L has a beam 53 projecting from the bracket 50 as in the prior art and a projecting side end of the beam 53 for forming an outer edge of the upper frame 44. And an outer frame 54 of a cylindrical body having a closed cross section. At both ends of the front end portion of the side deck 47L, a part of a cabin support portion 55 that supports the cabin 45 is disposed.

【0022】さらに、上記ビーム53の張出し側端部に
設けられた外枠54の一側面54aであって、上記キャ
ビン支持部55とビーム53との間には、外枠54の一
側面54aに沿って、断面視コの字状の補強部材1の長
手方向の両縁部が図2に示すように接合されており、ま
たその両端は上記キャビン支持部55とビーム53とに
接合されている。
Further, one side surface 54a of the outer frame 54 provided at the overhanging end of the beam 53, and between the cabin support portion 55 and the beam 53, one side surface 54a of the outer frame 54 2, both longitudinal edges of the U-shaped reinforcing member 1 are joined as shown in FIG. 2, and both ends thereof are joined to the cabin support 55 and the beam 53. .

【0023】なお、ここでは補強板1の形状を、断面視
コの字状に設定したが、これに限らず、例えば断面形状
を半円形状や三角形状といった少なくとも1つの屈曲も
しくは湾曲を有するものにしてもよい。
In this case, the shape of the reinforcing plate 1 is set to a U-shape in cross section, but the shape is not limited to this. For example, the reinforcing plate 1 has at least one bend or curve such as a semicircle or triangle. It may be.

【0024】また、ここでは補強板1を上記キャビン支
持部55とビーム53との間に設けたが、これに限ら
ず、ビームとビームとの間に設けてもよいし、また、ビ
ームに平行に設けられた外枠とビームとの間に設けても
よい。
Although the reinforcing plate 1 is provided between the cabin support 55 and the beam 53 here, the present invention is not limited to this, and the reinforcing plate 1 may be provided between the beams, or may be provided in parallel with the beam. May be provided between the outer frame and the beam.

【0025】次に、本発明の第2の実施形態を図3を用
いて説明する。図3に示される47Lはサイドデッキで
あって、このサイドデッキ47Lは、従来技術と同じく
のブラケット50から張り出したビーム53と、上部フ
レーム44の外縁を形成すべくこのビーム53の張出し
側端部に設けられる閉断面筒状体の外枠54とから形成
される。また、サイドデッキ47Lの前端部両端には、
キャビン45を支持するキャビン支持部55の一部が配
置される。さらにまた、49は、前述したセンターセク
ション48の底板であって、一部分がサイドデッキ47
L側に突出している。
Next, a second embodiment of the present invention will be described with reference to FIG. A side deck 47L shown in FIG. 3 is a side deck 47L. The side deck 47L has a beam 53 projecting from a bracket 50 as in the prior art, and a projecting side end of the beam 53 for forming an outer edge of the upper frame 44. And an outer frame 54 of a cylindrical body having a closed cross section provided on the outer surface. Also, at both ends of the front end of the side deck 47L,
A part of the cabin support 55 that supports the cabin 45 is arranged. Further, 49 is a bottom plate of the center section 48 described above, and a part thereof is a side deck 47.
It protrudes to the L side.

【0026】さらに、上記センターセクション48側に
備えられた外枠54の上記キャビン支持部55とビーム
53との間の部分に沿って、断面視L字状の補強板2が
備えられている。この補強板2は図3に示すように、そ
の長手方向の両縁部の一方が上記底板49に接合され、
他方が上記外枠54の一側面に接合されており、またそ
の両端は、上記キャビン支持部55とビーム53とに接
合されている。
Further, along the portion between the cabin support portion 55 and the beam 53 of the outer frame 54 provided on the center section 48 side, the reinforcing plate 2 having an L-shaped cross section is provided. As shown in FIG. 3, the reinforcing plate 2 has one of its two longitudinal edges joined to the bottom plate 49,
The other end is joined to one side surface of the outer frame 54, and both ends are joined to the cabin support 55 and the beam 53.

【0027】なお、ここでは補強板2の形状を、断面視
L字状に設定したが、これに限らず、例えば断面形状を
半円形状といった少なくとも1つの屈曲もしくは湾曲を
有するものにしてもよい。
Here, the shape of the reinforcing plate 2 is set to be L-shaped in cross section, but the shape is not limited to this. For example, the reinforcing plate 2 may have at least one bend or curve such as a semicircular cross section. .

【0028】また、ここでは補強板2を上記キャビン支
持部55とビーム53との間に設けたが、これに限ら
ず、ビームとビームとの間に設けてもよいし、また、ビ
ームに平行に設けられた外枠とビームとの間に設けても
よい。
Although the reinforcing plate 2 is provided between the cabin support 55 and the beam 53 here, the present invention is not limited to this, and the reinforcing plate 2 may be provided between the beams, or may be provided in parallel with the beam. May be provided between the outer frame and the beam.

【0029】[0029]

【発明の効果】請求項1に記載された発明によると、キ
ャビン下方の外枠の強度を向上させることにより、上部
フレーム全体の高強度化に繋がると共に、走行・作業時
にかかる上部フレームへの振動・衝撃を低減することが
できるのでキャビンの居住性の向上にも繋がる。また、
補強板を外枠の内側面に接合したことにより、外観美を
損なうことがないし、外部に突出した補強板が岩石等に
接触してその部分が集中的に痛むといった心配もない。
According to the first aspect of the present invention, by improving the strength of the outer frame below the cabin, it is possible to increase the strength of the entire upper frame and to vibrate the upper frame during traveling and work. -Shock can be reduced, which leads to improvement of cabin livability. Also,
By joining the reinforcing plate to the inner surface of the outer frame, the appearance is not impaired, and there is no fear that the reinforcing plate protruding to the outside comes into contact with rocks or the like and the portion is intensively damaged.

【0030】さらに、請求項2に記載の発明によると、
補強板は、外枠の内側面のみに取付可能であるので、上
部フレームにおける補強板の占有率を小さくすることが
可能となり、省スペース化にもつながるし、上部フレー
ムのスペースの有効利用にも繋がる。また、補強板の断
面を少なくとも1つの屈曲もしくは湾曲を有する形状と
したので外枠に補強板が接合されたときには、補強板自
体が閉断面を有するので、より一層の強度の向上に繋が
る。
Further, according to the second aspect of the present invention,
Since the reinforcing plate can be attached only to the inner surface of the outer frame, the occupancy of the reinforcing plate in the upper frame can be reduced, leading to space saving and effective use of the space of the upper frame. Connect. Further, since the cross section of the reinforcing plate has at least one bend or curve, when the reinforcing plate is joined to the outer frame, the reinforcing plate itself has a closed cross section, which leads to further improvement in strength.

【0031】さらにまた、請求項3に記載の発明による
と、補強板の長手方向の縁部の一方が上部フレームの土
台となる底板に接合するので一層高強度を得ることがで
きる。
According to the third aspect of the present invention, one of the longitudinal edges of the reinforcing plate is joined to the bottom plate serving as the base of the upper frame, so that higher strength can be obtained.

【0032】また、請求項4に記載の発明によると、筒
状体を有する外枠と補強板との組み合わせにより、より
一層強度の向上が図れる。
According to the fourth aspect of the present invention, the strength can be further improved by the combination of the outer frame having the cylindrical body and the reinforcing plate.

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

【図1】本発明の第1の実施形態を示す上部フレームの
サイドデッキの要部拡大図である。
FIG. 1 is an enlarged view of a main part of a side deck of an upper frame according to a first embodiment of the present invention.

【図2】図1におけるB−B断面を示す拡大断面図であ
る。
FIG. 2 is an enlarged sectional view showing a BB section in FIG.

【図3】本発明の第2の実施形態を示す上部フレームの
サイドデッキの要部拡大図である。
FIG. 3 is an enlarged view of a main part of a side deck of an upper frame according to a second embodiment of the present invention.

【図4】従来の油圧ショベルの側面図である。FIG. 4 is a side view of a conventional hydraulic excavator.

【図5】従来の油圧ショベルに備えられる上部フレーム
を示す図である。
FIG. 5 is a view showing an upper frame provided in a conventional hydraulic excavator.

【符号の説明】[Explanation of symbols]

1,2 補強板 44 上部フレーム 45 キャビン 49 底板 50 ブラケット 53 ビーム 54 外麓ム 1, 2 reinforcing plate 44 upper frame 45 cabin 49 bottom plate 50 bracket 53 beam 54 outer foot

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 外縁を形成する外枠を有し、キャビンを
支持可能である建設機械の上部フレームにおいて、上記
外枠のうち、上記キャビン下方に位置する部分の、少な
くとも一部の内側面に補強板を接合したことを特徴とす
る建設機械の上部フレーム。
1. An upper frame of a construction machine having an outer frame forming an outer edge and capable of supporting a cabin, wherein at least a part of an inner surface of a portion of the outer frame positioned below the cabin is provided. An upper frame of a construction machine having a reinforcing plate joined thereto.
【請求項2】 上記補強板が少なくとも1つの屈曲もし
くは湾曲を有する断面形状であって、且つ長手方向に沿
った両縁部がともに上記外枠の内側面に接合されること
を特徴とする請求項1に記載の建設機械の上部フレー
ム。
2. The method according to claim 1, wherein the reinforcing plate has a cross-sectional shape having at least one bend or curve, and both edges along the longitudinal direction are both joined to the inner surface of the outer frame. Item 2. An upper frame of a construction machine according to Item 1.
【請求項3】 上記補強板が少なくとも1つの屈曲もし
くは湾曲を有する断面形状であって、且つ長手方向に沿
った縁部の一方が上記外枠の内側面に接合され、他方が
底板上面に接合されることを特徴とする請求項1に記載
の建設機械上部フレーム。
3. The reinforcing plate has a cross-sectional shape having at least one bend or curve, and one of the edges along the longitudinal direction is joined to the inner surface of the outer frame, and the other is joined to the upper surface of the bottom plate. The construction machine upper frame according to claim 1, wherein the upper frame is constructed.
【請求項4】 上記外枠の形状が筒状体であることを特
徴とする請求項1ないし3に記載の建設機械上部フレー
ム。
4. The construction machine upper frame according to claim 1, wherein the outer frame has a cylindrical shape.
JP29145698A 1998-09-28 1998-09-28 Construction machine upper frame Expired - Lifetime JP3725711B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29145698A JP3725711B2 (en) 1998-09-28 1998-09-28 Construction machine upper frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29145698A JP3725711B2 (en) 1998-09-28 1998-09-28 Construction machine upper frame

Publications (2)

Publication Number Publication Date
JP2000104284A true JP2000104284A (en) 2000-04-11
JP3725711B2 JP3725711B2 (en) 2005-12-14

Family

ID=17769113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29145698A Expired - Lifetime JP3725711B2 (en) 1998-09-28 1998-09-28 Construction machine upper frame

Country Status (1)

Country Link
JP (1) JP3725711B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2453063A2 (en) 2010-11-10 2012-05-16 Kobelco Construction Machinery Co. Ltd. Upper frame for a construction machine
EP2960380A1 (en) * 2014-06-25 2015-12-30 Kobelco Construction Machinery Co., Ltd. Construction machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2453063A2 (en) 2010-11-10 2012-05-16 Kobelco Construction Machinery Co. Ltd. Upper frame for a construction machine
CN102465543A (en) * 2010-11-10 2012-05-23 神钢建设机械株式会社 Upper frame for construction machine
US8567850B2 (en) 2010-11-10 2013-10-29 Kobelco Construction Machinery Co., Ltd. Upper frame for construction machine
EP2453063A3 (en) * 2010-11-10 2014-12-03 Kobelco Construction Machinery Co. Ltd. Upper frame for a construction machine
EP2960380A1 (en) * 2014-06-25 2015-12-30 Kobelco Construction Machinery Co., Ltd. Construction machine
US9745717B2 (en) 2014-06-25 2017-08-29 Kobelco Construction Machinery Co., Ltd. Construction machine

Also Published As

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JP3725711B2 (en) 2005-12-14

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