JP3146152B2 - Backhoe - Google Patents
BackhoeInfo
- Publication number
- JP3146152B2 JP3146152B2 JP08339296A JP8339296A JP3146152B2 JP 3146152 B2 JP3146152 B2 JP 3146152B2 JP 08339296 A JP08339296 A JP 08339296A JP 8339296 A JP8339296 A JP 8339296A JP 3146152 B2 JP3146152 B2 JP 3146152B2
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- backhoe
- swivel
- peripheral wall
- 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.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0891—Lids or bonnets or doors or details thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
- E02F3/382—Connections to the frame; Supports for booms or arms
- E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0875—Arrangement of valve arrangements on superstructures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Body Structure For Vehicles (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ステップの下方で
旋回台内に、バックホウ作業装置等に対する圧油給排用
の制御弁を配設してあるバックホウに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backhoe in which a control valve for supplying and discharging pressure oil to a backhoe working device or the like is provided below a step in a swivel base.
【０００２】[0002]
【従来の技術】従来、この種のバックホウにあっては、
ステップの下方で旋回台内に配設された制御弁等に対し
てメンテナンスを行う場合には、ステップを旋回台から
外すとともに、制御弁等の外側方に臨む旋回台の周壁部
のカバー部材も外すことによって、制御弁等の設置箇所
が外部に開放されるようにしていた。そして、ステップ
や周壁のカバー部材を旋回台に取り付けるための枠構造
を成すフレームメンバーは、旋回台のメインフレームに
対して溶接して固定されていた。2. Description of the Related Art Conventionally, in this type of backhoe,
When performing maintenance on a control valve or the like disposed in the swivel base below the step, remove the step from the swivel base and also cover the peripheral wall portion of the swivel base facing the outside of the control valve or the like. By removing it, the installation location of the control valve and the like is opened to the outside. And the frame member which forms the frame structure for attaching the cover member of the step or the peripheral wall to the swivel base is fixed by welding to the main frame of the swivel base.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来構造のものにあっては、ステップやカバー部材を旋回
台に取り付けているフレームメンバーについては、旋回
台のメインフレームに固定されたままとなっていたた
め、そのフレームメンバーが邪魔になり易く、メンテナ
ンス作業が行いにくいという問題があった。However, in the above-mentioned conventional structure, the frame members having the steps and the cover member attached to the swivel base remain fixed to the main frame of the swivel base. Therefore, there is a problem that the frame members are easily obstructed and maintenance work is difficult to perform.
【０００４】本発明は、上記実情に鑑みてなされたもの
であって、ステップの下方で旋回台内に配置された各種
装置に対して、より一層メンテナンス作業がしやすいバ
ックホウの提供を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a backhoe that allows easier maintenance work on various devices disposed in a swivel table below a step. .
【０００５】[0005]
（構成） 本発明の請求項１にかかるバックホウは、ス
テップの下方で旋回台内に、バックホウ作業装置等に対
する圧油給排用の制御弁を配設してあるバックホウであ
って、前記旋回台のステップの側縁部における周壁カバ
ーと、前記ステップとをそれぞれ取り付けるフレームメ
ンバーを、該旋回台に対して着脱自在に設けてあること
を特徴構成とする。(Structure) The backhoe according to claim 1 of the present invention is a backhoe in which a control valve for supplying and discharging hydraulic oil to a backhoe working device or the like is provided in a swivel base below a step, A frame member for attaching the peripheral wall cover on the side edge portion of the step and the step is detachably provided to the swivel table.
【０００６】（作用） 本発明の請求項１にかかる構成
によれば、旋回台内の制御弁等に対してメンテナンス作
業等を行う場合には、ステップや、周壁カバーのみなら
ず、それらを旋回台に取り付けるためのフレームメンバ
ーも旋回台から取り外すことができるので、旋回台の内
部に臨む開口部が広くなる。(Operation) According to the configuration of the first aspect of the present invention, when performing a maintenance work or the like on a control valve or the like in the swivel table, not only the steps and the peripheral wall cover, but also the swivel of the steps and the peripheral wall cover are performed. Since the frame member to be attached to the base can also be removed from the swivel base, the opening facing the inside of the swivel base is widened.
【０００７】（効果） 従って、本発明の請求項１にか
かる構成によれば、フレームメンバーも旋回台から取り
外せることによって、メンテナンス作業を行うときにフ
レームメンバーが作業の邪魔にならないようにできて、
よって、作業し易くなり、作業効率を高めるに至った。(Effects) Therefore, according to the structure of the first aspect of the present invention, the frame member can be removed from the swivel base, so that the frame member does not interfere with the maintenance work.
Therefore, the work becomes easier and the work efficiency is improved.
【０００８】（構成） 本発明の請求項２にかかるバッ
クホウは、請求項１記載のものにおいて、前記フレーム
メンバーは、前記ステップと一体に連設されるととも
に、前記旋回台の外側縁部の下部にボルト締結してある
ことを特徴構成とする。(Structure) A backhoe according to a second aspect of the present invention is the backhoe according to the first aspect, wherein the frame member is provided integrally with the step and a lower portion of an outer edge of the swivel base. It is characterized in that it is fastened by bolts.
【０００９】（作用） 本発明の請求項２にかかる構成
によれば、ステップとフレームメンバーとが一体に構成
してあるから、ステップとフレームメンバーとを旋回台
から取り外すのに、該両部品のそれぞれに対して取り外
し作業を行うのでなく、フレームメンバーのみに対して
行えば良い。(Operation) According to the second aspect of the present invention, since the step and the frame member are integrally formed, the step and the frame member are removed from the swivel table. Rather than performing the removal work for each, only the frame members need to be removed.
【００１０】（効果） 従って、本発明の請求項２にか
かる構成によれば、フレームメンバーとステップとの着
脱作業がフレームメンバーに対してのみ行えば良いので
作業能率が向上するに至った。(Effects) Therefore, according to the configuration of the second aspect of the present invention, the work efficiency can be improved because the attachment / detachment work between the frame member and the step only needs to be performed on the frame member.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１乃至図３に、バックホウを示
している。このバックホウは、左右一対のクローラ走行
装置１，１で支持された機台２に、上下軸芯Ｚ周りで旋
回自在に旋回台３を装備し、該旋回台３上に、バックホ
ウ作業装置４、搭乗操縦部５、エンジン６等を搭載装備
して構成している。Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the backhoe. This backhoe is equipped with a turntable 3 on a machine base 2 supported by a pair of left and right crawler traveling devices 1 and 1 so as to be able to turn around a vertical axis Z. The vehicle is equipped with a boarding control unit 5, an engine 6, and the like.
【００１２】そして、図４に示すように、旋回台３にお
ける搭乗操縦部５のステップ７の下方で、旋回台３内に
バックホウ作業装置４の各油圧シリンダ等を作動させる
ための圧油給排用の制御弁８を多連弁のユニットとして
配備している。その制御弁８等に対してメンテナンス作
業を行う場合には、旋回台３の左横側周壁部及び左前面
側周壁部の周壁カバー９と、ステップ７とを取り外すこ
とになるが、さらに、これら周壁カバー９とステップ７
とをそれぞれ旋回台３のメインフレーム３Ａに対して取
り付けるための旋回台３におけるフレームメンバー１０
も旋回台３から取り外すことができる。すなわち、図５
乃至図７に示すように、旋回台３の左前側部と左横側部
との外形形状に合わせて板金材で構成されたフレームメ
ンバー１０を、複数箇所においてボルト１１‥で旋回台
３のメインフレーム３Ａに締結固定できるようにしてい
る。詳述すると、フレームメンバー１０は、ステップ７
を載置してボルト締結するための上部水平枠部材１０Ａ
と、この上部水平枠部材１０Ａに溶接されて、下方に延
設されその下端部にメインフレーム３Ａの下面部等にボ
ルト１１‥で締結するための縦枠部材１０Ｂとで構成し
ている。そして、図５に示すように、フレームメンバー
１０に対してステップ７と共に、周壁カバー９をボルト
締結するようにしているのである。Then, as shown in FIG. 4, below the step 7 of the boarding operation unit 5 in the swivel base 3, the hydraulic oil supply / discharge for operating the hydraulic cylinders and the like of the backhoe working device 4 in the swivel base 3 is performed. Control valve 8 is provided as a multiple valve unit. When performing maintenance work on the control valve 8 and the like, the peripheral wall covers 9 of the left lateral peripheral wall and the left front peripheral wall of the swivel 3 and the step 7 are removed. Perimeter wall cover 9 and step 7
Are attached to the main frame 3A of the swivel 3 respectively.
Can also be removed from the swivel 3. That is, FIG.
As shown in FIG. 7 to FIG. 7, a frame member 10 made of a sheet metal material is fitted to the outer shape of the left front side portion and the left lateral side portion of the swivel base 3 at a plurality of positions by bolts 11 °. It can be fastened and fixed to the frame 3A. More specifically, the frame member 10 performs step 7
Horizontal frame member 10A for mounting and bolting
And a vertical frame member 10B which is welded to the upper horizontal frame member 10A, extends downward, and is fastened to the lower end portion of the lower frame portion of the main frame 3A by bolts 11 °. Then, as shown in FIG. 5, the peripheral wall cover 9 is bolted to the frame member 10 together with the step 7.
【００１３】上記構成により、旋回台３内の制御弁８等
に対するメンテナンス作業を行う場合には、ステップ７
と周壁カバー９とをフレームメンバー１０より取り外
し、次いでこのフレームメンバー１０もボルト締結解除
により旋回台３のメインフレーム３Ａから取り外すこと
になる。According to the above configuration, when performing a maintenance work on the control valve 8 and the like in the swivel 3, step 7 is performed.
And the peripheral wall cover 9 are removed from the frame member 10, and then the frame member 10 is also removed from the main frame 3A of the swivel 3 by releasing the bolts.
【００１４】次に、搭乗操縦部５に対して日除けする構
造について簡単に説明する。図８に示すように、操縦座
席１３の後側に左右にわたってアーチ状の支持部材１４
を立設するとともに、この支持部材１４の左右中間箇所
に日除け１５の支柱部１５Ａをボルト１６で連結してい
る。すなわち、支柱部１５Ａを、前後方向視下すぼまり
形状を描くようにフレーム材を曲げ加工した状態で形成
するとともに、その下すぼまり箇所に支持部材１４にボ
ルト１６で連結するための板金製の台部１５Ｂを溶接し
て連結している。そして、左右の支柱部１５Ａの上端部
に日除け本体１５Ｃが取り付けられているのである。Next, a brief description will be given of a structure for shading the boarding operation section 5. As shown in FIG. 8, an arch-shaped support member 14
And a support 15A of a sunshade 15 is connected to a middle portion between the left and right of the support member 14 by a bolt 16. That is, the support 15A is formed in a state in which the frame material is bent so as to draw a tapered shape as viewed in the front-rear direction, and a sheet metal made for connecting the supporting member 14 to the lower tapered portion by the bolt 16. The pedestals 15B are connected by welding. The sunshade main body 15C is attached to the upper ends of the left and right columns 15A.
【００１５】（別の実施の形態）次に、上記の実施の形
態とは別の実施の形態について図面に基づいて説明す
る。図９及び図１０に示すように、ステップ７に対して
予めフレームメンバー１０を構成する複数本の縦枠部材
１０Ｂを溶接して下方に延出させてある。そして、縦枠
部材１０Ｂの下端部には、この縦枠部材１０Ｂ、ひいて
はステップ７を旋回台３のメインフレーム３Ａにボルト
１１で締結するためのボルト挿通用の孔１２を形成して
いるとともに、その締結をメインフレーム３Ａの下面部
に対して行うようにしている。そして、各縦枠部材１０
Ｂにわたって周壁カバー９をボルト締結して着脱自在に
取り付けるようにしている。尚、周壁カバー９も縦枠部
材１０Ｂに溶接するようにしても良い。(Another Embodiment) Next, another embodiment different from the above embodiment will be described with reference to the drawings. As shown in FIGS. 9 and 10, a plurality of vertical frame members 10B constituting the frame member 10 are welded and extended downward to the step 7 in advance. At the lower end of the vertical frame member 10B, a bolt insertion hole 12 for fastening the vertical frame member 10B, and eventually the step 7 to the main frame 3A of the revolving base 3 with bolts 11, is formed. The fastening is performed on the lower surface of the main frame 3A. And each vertical frame member 10
The peripheral wall cover 9 is bolted over B to be detachably attached. Note that the peripheral wall cover 9 may also be welded to the vertical frame member 10B.
【図１】バックホウを示す全体側面図FIG. 1 is an overall side view showing a backhoe.
【図２】バックホウを示す全体平面図FIG. 2 is an overall plan view showing a backhoe.
【図３】バックホウを示す背面図FIG. 3 is a rear view showing the backhoe.
【図４】旋回台を示す平面図FIG. 4 is a plan view showing a swivel table.
【図５】ステップ、フレームメンバー、周壁カバーを示
す分解斜視図FIG. 5 is an exploded perspective view showing a step, a frame member, and a peripheral wall cover.
【図６】フレームメンバーの横枠部材箇所での要部を示
す縦断正面図FIG. 6 is a longitudinal sectional front view showing a main part of a frame member at a horizontal frame member.
【図７】フレームメンバーの後端部での要部を示す縦断
正面図FIG. 7 is a longitudinal sectional front view showing a main part at a rear end of a frame member.
【図８】エンジンボンネット内の構造を示す一部破断背
面図FIG. 8 is a partially cutaway rear view showing the structure inside the engine hood.
【図９】別の実施の形態のステップ及びフレームメンバ
ーを示す平面図FIG. 9 is a plan view showing steps and a frame member of another embodiment.
【図１０】別の実施の形態のステップ及びフレームメン
バー等を示す側面図FIG. 10 is a side view showing steps, frame members, and the like according to another embodiment.
３ 旋回台 ４ バックホウ作業装置 ７ ステップ ８ 制御弁 ９ 周壁カバー １０ フレームメンバー Reference Signs List 3 swivel base 4 backhoe working device 7 step 8 control valve 9 peripheral wall cover 10 frame member
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E02F 9/08 B60R 3/00 B62D 25/22 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E02F 9/08 B60R 3/00 B62D 25/22
Claims (2)
ウ作業装置等に対する圧油給排用の制御弁を配設してあ
るバックホウであって、前記旋回台のステップの側縁部
における周壁カバーと、前記ステップとをそれぞれ取り
付けるフレームメンバーを、該旋回台に対して着脱自在
に設けてあるバックホウ。1. A backhoe in which a control valve for supplying and discharging pressure oil to a backhoe working device or the like is disposed below a step and in a turntable, wherein a peripheral wall cover is provided at a side edge of the step of the turntable. And a frame member to which each of the steps is attached is detachably provided to the swivel table.
と一体に連設されるとともに、前記旋回台の外側縁部の
下部にボルト締結してある請求項１記載のバックホウ。2. The backhoe according to claim 1, wherein the frame member is integrally connected to the step, and is bolted to a lower portion of an outer edge of the swivel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08339296A JP3146152B2 (en) | 1996-04-05 | 1996-04-05 | Backhoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08339296A JP3146152B2 (en) | 1996-04-05 | 1996-04-05 | Backhoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09273176A JPH09273176A (en) | 1997-10-21 |
| JP3146152B2 true JP3146152B2 (en) | 2001-03-12 |
Family
ID=13801168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08339296A Expired - Fee Related JP3146152B2 (en) | 1996-04-05 | 1996-04-05 | Backhoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3146152B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140306488A1 (en) * | 2011-12-21 | 2014-10-16 | Hitachi Construction Machinery Co., Ltd. | Pilot Valve Attachment Structure of Construction Machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4650860B2 (en) * | 2001-03-28 | 2011-03-16 | 株式会社小松製作所 | Swivel construction machine |
| JP2008133692A (en) * | 2006-11-29 | 2008-06-12 | Shin Caterpillar Mitsubishi Ltd | Fender reinforcing structure of working machine, and fender reinforcing method of working machine |
| KR101442833B1 (en) * | 2007-12-26 | 2014-09-30 | 두산인프라코어 주식회사 | Frame of excavator with detachable sidecover |
| JP5258596B2 (en) * | 2009-01-26 | 2013-08-07 | 住友建機株式会社 | Opening and closing cover device for construction machinery |
-
1996
- 1996-04-05 JP JP08339296A patent/JP3146152B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140306488A1 (en) * | 2011-12-21 | 2014-10-16 | Hitachi Construction Machinery Co., Ltd. | Pilot Valve Attachment Structure of Construction Machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09273176A (en) | 1997-10-21 |
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