JP2722055B2 - Cab of construction machinery - Google Patents
Cab of construction machineryInfo
- Publication number
- JP2722055B2 JP2722055B2 JP16000895A JP16000895A JP2722055B2 JP 2722055 B2 JP2722055 B2 JP 2722055B2 JP 16000895 A JP16000895 A JP 16000895A JP 16000895 A JP16000895 A JP 16000895A JP 2722055 B2 JP2722055 B2 JP 2722055B2
- Authority
- JP
- Japan
- Prior art keywords
- cab
- rear end
- arc
- door
- door opening
- 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 - Lifetime
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Support Devices For Sliding Doors (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ショベルカー、クレー
ン車等の建設機械のキャブ（運転室）に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cab (operator's cab) of a construction machine such as an excavator and a crane truck.
【０００２】[0002]
【従来の技術】前記建設機械は、通常図９に示すよう
に、キャタピラ等をもつ移動装置Ｍの上に旋回台Ｒを設
け、該旋回台Ｒ上にショベル装置Ｓ、クレーン装置等と
その動力装置Ｐ及びそれらの操縦を行うキャブ１を搭載
している。そして近年はキャブ１をできるだけ小型とし
ながら居住性を良くするため、キャブ１をスライドドア
２付きとし、そのドア２を含む側面部３を前記旋回台Ｒ
の最大回転半径に近い半径の円弧としてキャブ内容積を
大とすることが、例えば特開平４−３５３１２９号公報
に見られ、また実車としても生産されている。2. Description of the Related Art In general, as shown in FIG. 9, the construction machine is provided with a swivel base R on a moving device M having a caterpillar and the like, and on the swivel base R, a shovel device S, a crane device and the like and power thereof. The device P and a cab 1 for controlling the devices P are mounted. In recent years, in order to improve the livability while keeping the cab 1 as small as possible, the cab 1 is provided with a sliding door 2 and the side portion 3 including the door 2 is mounted on the swivel base R.
An increase in the cab inner volume as an arc having a radius close to the maximum rotation radius of the cab is disclosed in, for example, Japanese Patent Application Laid-Open No. 4-353129, and is also produced as an actual vehicle.
【０００３】[0003]
【発明が解決しようとする課題】ところで、この種キャ
ブ１では、前方上部視界を確保するため、窓を有する前
面部４の上端４ａを後方へ傾斜させることが多いが、前
記のようにドア２を含むキャブ側面部３を円弧とする場
合、従来その円弧は、製作上下端から上端まで前記旋回
台の旋回中心を回転軸としていたため、図７に示すよう
に、従来のキャブの前面部４は、後方に傾斜した上端４
ａにおける水平方向外端４ｂ側を、外側に開いた状態に
しないと円弧のキャブ側面部３上端と結合せず、従って
前記キャブ１を前方から見たときに非常に見栄えが悪い
という問題がある。また、従来前記スライドドア２のス
トッパはキャブ側面から外方へ突出して、限界一杯で作
業するとき障害物に引っ掛けるおそれがある。本発明
は、従来のドアを含むキャブ側面部を曲面とした建設機
械のキャブにおける前記問題点を解決し、殊にキャブ前
面から見たときの見栄えが良く、ストッパの突出がな
く、且つ製作の容易な建設機械のキャブを提供すること
を目的とする。In the cab 1 of this type, the upper end 4a of the front portion 4 having a window is often inclined rearward in order to secure a front upper view. In the case where the cab side portion 3 including the cab is a circular arc, the conventional arc has a center of rotation of the swivel table as a rotation axis from the upper and lower ends to the upper end of the cab. Therefore, as shown in FIG. Is the upper end 4 inclined backward
Unless the horizontal outer end 4b side in FIG. 3A is opened outward, the cab 1 does not join with the upper end of the arcuate cab side surface portion 3, so that there is a problem that the cab 1 looks very poor when viewed from the front. . In addition, the stopper of the conventional slide door 2 protrudes outward from the side surface of the cab, and may be caught on an obstacle when working at the limit. The present invention solves the above-mentioned problems in the cab of a construction machine having a curved cab side surface including a door, and particularly has a good appearance when viewed from the front of the cab, does not have a protrusion of a stopper, and is manufactured. An object of the present invention is to provide an easy-to-use construction machine cab.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
本発明では、旋回台上に搭載された建設機械のキャブに
おいて、(1)前面部を上下にわたり同一幅とし、且つそ
の上部を後方に傾斜させるとともに、該前面部の水平方
向外端において前面部とほぼ直角に形成した前記前面部
の外端と平行な幅をもったポスト面を介して接続する側
面部を、ドアを含め曲面で構成するに際し、(2)前記キ
ャブの下端は、前記旋回台の最大回転半径より小さい半
径の下部円弧をもち、(3)前記ドアの開口部下端におい
ては、前記ポスト面の後端から前記下部円弧とキャブ幅
を最大とする点で接触し、後面部の外端と前記下部円弧
との交点より内側に設けたキャブ後端点に至る基本円弧
をもち、(4)前記ドア開口部下端を越え、同開口部上端
までは、前記基本円弧をもって順次前端が前記ポスト面
後端にて始まり、前記ドア開口部後端にて終了する疑似
円筒面で構成し、且つ(5)前記ドア開口部後端と前記キ
ャブ後端点の間は、前記基本円弧における前記ドア開口
部後端と前記キャブ後端点との間を構成する後部円弧に
よる半基本円筒面で形成したものである。In order to achieve the above object, according to the present invention, in a cab of a construction machine mounted on a swivel base, (1) a front portion has the same width vertically and an upper portion thereof is rearward. At the same time, the side surfaces connected to each other through a post surface having a width parallel to the outer end of the front portion formed substantially at right angles to the front portion at the horizontal outer end of the front portion are curved surfaces including the door. In configuring, (2) the lower end of the cab has a lower arc having a radius smaller than the maximum turning radius of the swivel, and (3) at the lower end of the opening of the door, the lower end from the rear end of the post surface. The arc contacts the arc at the point where the cab width is maximized, and has a basic arc extending to the rear end point of the cab provided inside the intersection of the outer end of the rear surface and the lower arc, and (4) exceeding the lower end of the door opening. Up to the upper end of the opening, The front end starts at the rear end of the post surface and ends with the rear end of the door opening, and is constituted by a pseudo-cylindrical surface. (5) Between the rear end of the door opening and the rear end point of the cab, It is formed by a semi-basic cylindrical surface formed by a rear arc that forms a portion between the rear end of the door opening and the rear end point of the cab in the basic arc.
【０００５】[0005]
【作 用】上記構成の本発明建設機械のキャブによれ
ば、その側面部をドアを含め曲面で構成する際、キャブ
の前面部を上下にわたり同一幅とし、その上部を後方に
傾斜させても、前記ポスト面後端から前記ドア開口部後
端までの間を前記疑似円筒面とすることによって、キャ
ブ幅を最大としつつキャブの前方から見た見栄えを向上
し、且つ製作を容易とするとともに、前記ドア開口部後
端と前記キャブ後端点の間を前記半基本円筒とすること
によりストッパの突出をなくし、且つ製作を容易とし
た。According to the cab of the construction machine of the present invention having the above-described structure, when the side portion is formed to have a curved surface including the door, the front portion of the cab has the same width vertically and the upper portion thereof is inclined backward. By using the pseudo-cylindrical surface between the rear end of the post surface and the rear end of the door opening to improve the appearance as viewed from the front of the cab while maximizing the cab width, and to facilitate manufacture. The semi-basic cylinder between the rear end of the door opening and the rear end point of the cab eliminates the protrusion of the stopper and facilitates the manufacture.
【０００６】[0006]
【実施例】本発明を図１乃至図６により詳細に説明する
と、１０は本発明キャブで、従来と同様全体がボックス
形を成しており、円弧部分Ｒａをもつ旋回台Ｒ上に搭載
されている。上記キャブ１０の前面部１１は、上下にわ
たり同一幅で、且つその上端１１ａ側が後方へ傾斜して
いる。上記前面部１１の水平方向（左右方向）端部は、
外端側（ドア側）では前面部１１と直角に形成したポス
ト面１２を介し、ドア１３を含む側面部１４と接続し、
また前記端部の内端側（ドアと反対側）は内側面部１５
と接続されている。なお、１６、１７及び１８はドア１
３のスライドレールであり、１９は該ドア１３のストッ
パである。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to FIGS. 1 to 6. Reference numeral 10 denotes a cab of the present invention, which is formed in a box shape as in the prior art, and is mounted on a swivel base R having an arc portion Ra. ing. The front portion 11 of the cab 10 has the same width in the vertical direction, and its upper end 11a is inclined rearward. The horizontal (left-right) end of the front part 11 is
At the outer end side (door side), it is connected to a side surface portion 14 including a door 13 via a post surface 12 formed at right angles to the front surface portion 11,
Also, the inner end side (the side opposite to the door) of the end portion is an inner side surface portion 15.
Is connected to 16, 17, and 18 are doors 1
3 is a slide rail, and 19 is a stopper of the door 13.
【０００７】前記側面部１４は図３に示すように、平面
的にみて外側に円弧状に突出しているが、その構成は次
の通りである。即ち、(a)前記キャブ１０の下端は、前
記旋回台Ｒの最大回転半径２０より小さい半径２１の記
号イから始まる下部円弧２２をもち、(b)前記ドア１３
の開口部下端ハ−ヘにおいては、前記ポスト面１２の後
端ローハから前記下部円弧２２とキャブ幅を最大とする
点ニで接触し、後面部２６の外端と前記下部円弧２２と
の交点２７より内側に設けたキャブ後端点３０に至る基
本円弧２４をもち、(c)前記ドア開口部下端ハ−ヘを越
え、上方へ同開口部上端ローホまでは、前記基本円弧２
４、２４’をもって順次前端が前記ポスト面後端ローハ
にて始まり、後端が前記ドア開口部後端ホーヘにて終了
する疑似円筒面３２で構成し、且つ(d)前記ドア開口部
後端ホーヘと前記キャブ後端点３０の間は、前記基本円
弧２４における前記ドア開口部後端ホーヘと前記キャブ
後端点３０との間を構成する後部円弧３１による半基本
円筒面３３で形成した。なお、図４及び図５に示す例は
前記ポスト面１２に手摺り２５を設け乗り降りの際の安
全を確保した例である。As shown in FIG. 3, the side surface portion 14 projects outwardly in an arc shape when viewed in plan. The structure is as follows. That is, (a) the lower end of the cab 10 has a lower circular arc 22 starting from a symbol a having a radius 21 smaller than the maximum turning radius 20 of the swivel table R, and (b) the door 13
At the lower end of the opening, the lower end of the post surface 12 comes into contact with the lower arc 22 at a point where the cab width is maximized, and the intersection between the outer end of the rear surface 26 and the lower arc 22. 27, a basic arc 24 extending to the rear end point 30 of the cab provided on the inner side of (27).
4, 24 ', the front end of the pseudo-cylindrical surface 32 starts at the rear end of the post surface and ends at the rear end of the door opening, and (d) the rear end of the door opening. A semi-basic cylindrical surface 33 formed by a rear arc 31 between the hoe and the cab rear end point 30 and between the rear end hoe of the door opening and the cab rear end point 30 in the basic arc 24 is formed. 4 and 5 are examples in which a handrail 25 is provided on the post surface 12 to ensure safety when getting on and off the vehicle.
【０００８】上記側面部１４の形状の中には、前記(b)
における「キャブ後端点３０を後面部２６の外端と前記
下部円弧２２との交点２７より内側に設け」ること及び
「前記ドア開口部後端ホーヘと前記キャブ後端点３０の
間を前記半基本円筒面で形成する」ことによる、図８に
示すような、前記ストッパ１９のキャブ１０側面部１４
表面からの突出量を最小にする発明も含まれている。即
ち、前記ストッパ１９はブラケット１９ａにより、前記
側面部１４におけるキャブ１０の後面部２６との結合部
２７付近に固定されるが、従来は前記の如く、側面部１
４が半径の大きな且つ一様な円弧で形成されていたた
め、前記ストッパ１９の外方への突出量（２８）が大き
く、そのため側面部１４からも２９のように突出して、
使用限界一杯の狭隘な場所で旋回させたときは周囲の障
害物に引掛ける危険があった。そこで本発明では、前記
側面部１４における後面部２６との結合点２７を、図３
に示すように３０として内側へ引込ませ、側面部１４か
らの突出をドア１３の停止に必要な量として前記周囲へ
の影響をなくすようにしたのである。The shape of the side portion 14 includes the above (b)
"The cab rear end point 30 is provided inside the intersection 27 between the outer end of the rear surface portion 26 and the lower arc 22" and "the semi-basic between the door opening rear end hoe and the cab rear end point 30". As shown in FIG. 8, the cab 10 side portion 14 of the stopper 19
There are also inventions that minimize the amount of protrusion from the surface. That is, the stopper 19 is fixed to the vicinity of the joint portion 27 of the side surface portion 14 with the rear surface portion 26 of the cab 10 by the bracket 19a.
4 is formed of a uniform arc having a large radius, so that the amount of protrusion (28) of the stopper 19 outwardly is large, so that the stopper 19 also protrudes from the side surface portion 14 as shown in FIG.
When turning in a narrow place where the service limit is full, there was a risk of getting caught in surrounding obstacles. Therefore, in the present invention, the connecting point 27 of the side surface portion 14 with the rear surface portion 26 is defined as FIG.
As shown in FIG. 3, the protrusion 30 is drawn inward, and the protrusion from the side surface portion 14 is set as an amount necessary for stopping the door 13 so as to eliminate the influence on the surroundings.
【０００９】[0009]
【発明の効果】本発明建設機械のキャブは、旋回台上に
搭載された建設機械のキャブにおいて、前面部を上下に
わたり同一幅とし、且つその上部を後方に傾斜させると
共に、該前面部の水平方向外端において前面部とほぼ直
角に形成した前記前面部の外端と平行な幅をもったポス
ト面を介して接続する側面部を、ドアを含め曲面で構成
するに際し、前記キャブの下端は、前記旋回台の最大回
転半径より小さい半径の下部円弧をもち、前記ドアの開
口部下端においては、前記ポスト面の後端から前記下部
円弧とキャブ幅を最大とする点で接触し、後面部の外端
と前記下部円弧との交点より内側に設けたキャブ後端点
に至る基本円弧をもち、前記ドア開口部下端を越え、同
開口部上端までは、前記基本円弧をもって順次前端が前
記ポスト面後端にて始まり、前記ドア開口部後端にて終
了する疑似円筒面で構成し、且つ前記ドア開口部後端と
前記キャブ後端点の間は、前記基本円弧における前記ド
ア開口部後端と前記キャブ後端点との間を構成する後部
円弧による半基本円筒面で形成したので、キャブの前面
部を上下にわたり同一幅とし、その上部を後方に傾斜さ
せても、前記ポスト面後端から前記ドア開口部後端まで
の間を前記疑似円筒面とすることによって、キャブ幅を
最大としつつキャブの前方から見た見栄えを向上するこ
とができ、且つ製作を容易とするとともに、前記ドア開
口部後端と前記キャブ後端点の間を前記半基本円筒とす
ることによってストッパの突出をなくし、且つ製作を容
易とすることができる効果がある。A cab of a construction machine according to the present invention is a cab of a construction machine mounted on a swivel, wherein the front portion has the same width vertically and the upper portion is inclined rearward, and the front portion is horizontal. When the side surface portion connected via a post surface having a width parallel to the outer end of the front portion formed substantially at a right angle to the front portion at the outer end in the direction, and having a curved surface including a door, the lower end of the cab is A lower arc having a radius smaller than the maximum rotation radius of the swivel table, and at the lower end of the opening of the door, the lower arc contacts the lower arc at the point where the cab width is maximized from the rear end of the post surface, and the rear surface portion The bottom end of the door has a basic arc extending to the rear end point of the cab provided inside the intersection of the lower arc and the lower end of the opening. At the rear end A quasi-cylindrical surface that begins and ends at the rear end of the door opening, and between the rear end of the door opening and the rear end of the cab, the rear end of the door opening and the rear end of the cab in the basic arc. The cab is formed of a semi-basic cylindrical surface with a rear circular arc, so that the front portion of the cab has the same width over the top and bottom, and even if the upper portion is inclined rearward, the rear end of the post surface and the rear of the door opening portion By making the pseudo-cylindrical surface up to the end, it is possible to improve the appearance as viewed from the front of the cab while maximizing the cab width, and to facilitate manufacture, and to make the rear end of the door opening and the By forming the semi-basic cylinder between the rear end points of the cab, there is an effect that the protrusion of the stopper can be eliminated and the production can be facilitated.
【図１】本発明建設機械のキャブにおける一実施例の正
面略図FIG. 1 is a schematic front view of an embodiment of a cab of a construction machine according to the present invention.
【図２】本発明建設機械のキャブにおける一実施例の側
面略図FIG. 2 is a schematic side view of one embodiment of a cab of the construction machine according to the present invention.
【図３】本発明建設機械のキャブにおける一実施例の平
面略図FIG. 3 is a schematic plan view of an embodiment of the cab of the construction machine according to the present invention.
【図４】本発明建設機械のキャブにおける他の実施例の
正面略図FIG. 4 is a schematic front view of another embodiment of the cab of the construction machine according to the present invention.
【図５】本発明建設機械のキャブにおける他の実施例の
側面略図FIG. 5 is a schematic side view of another embodiment of the cab of the construction machine according to the present invention.
【図６】本発明建設機械のキャブの斜視図FIG. 6 is a perspective view of a cab of the construction machine according to the present invention.
【図７】従来の建設機械のキャブにおける一実施例の正
面略図FIG. 7 is a schematic front view of an embodiment of a cab of a conventional construction machine.
【図８】ドアのストッパ付近の拡大平面図FIG. 8 is an enlarged plan view of the vicinity of a door stopper.
【図９】本発明を適用すべき建設機械の一例を示す側面
図。 １、１０；キャブ ２、１３；ドア（スライドドア） ３、１４；側面部 ４、１１；前面部 １２；ポスト面 １５；内側面部 １６、１７、１８；スライドレール １９；ストッパ ２０；旋回台の最大回転半径 ２１、２３；半径 ２２；下部円弧 ２４、２４’；基本円弧 ２５；手摺り ２６；後面部 ２７；交点 ３０；キャブ後端点 ２８、２９；ストッパの突出量 ３１；後部円弧 ３２；疑似円筒面 ３３；半基本円筒面 Ｍ；移動装置 Ｒ；旋回台 Ｓ；ショベル装置 Ｐ；動力装置。FIG. 9 is a side view showing an example of a construction machine to which the present invention is applied. 1, 10; Cab 2, 13; Door (slide door) 3, 14; Side surface 4, 11, Front surface 12, Post surface 15; Inner surface 16, 17, 18; Slide rail 19; Stopper 20; Maximum turning radius 21, 23; Radius 22; Lower arc 24, 24 '; Basic arc 25; Handrail 26; Rear surface 27; Intersection 30; Cab rear end point 28, 29; Stopper protrusion 31; Rear arc 32; Cylindrical surface 33; semi-basic cylindrical surface M; moving device R; swivel base S; shovel device P;
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平７−180183（ＪＰ，Ａ) 特開 平７−9847（ＪＰ，Ａ) 実開 平４−134567（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-7-180183 (JP, A) JP-A-7-9847 (JP, A) JP-A-4-134567 (JP, U)
Claims (1)
おいて、前面部を上下にわたり同一幅とし、且つその上
部を後方に傾斜させるとともに、該前面部の水平方向外
端において前面部とほぼ直角に形成した前記前面部の外
端と平行な幅をもったポスト面を介して接続する側面部
を、ドアを含め曲面で構成するに際し、前記キャブの下
端は、前記旋回台の最大回転半径より小さい半径の下部
円弧をもち、前記ドアの開口部下端においては、前記ポ
スト面の後端から前記下部円弧とキャブ幅を最大とする
点で接触し、後面部の外端と前記下部円弧との交点より
内側に設けたキャブ後端点に至る基本円弧をもち、前記
ドア開口部下端を越え、同開口部上端までは、前記基本
円弧をもって順次前端が前記ポスト面後端にて始まり、
前記ドア開口部後端にて終了する疑似円筒面で構成し、
且つ前記ドア開口部後端と前記キャブ後端点の間は、前
記基本円弧における前記ドア開口部後端と前記キャブ後
端点との間を構成する後部円弧による半基本円筒面で形
成したことを特徴とする建設機械のキャブ。1. A cab of a construction machine mounted on a swivel base, wherein a front portion has the same width vertically and an upper portion thereof is inclined rearward, and a horizontal outer end of the front portion is substantially equal to the front portion. When forming the side surface portion connected via a post surface having a width parallel to the outer end of the front portion formed at a right angle with a curved surface including a door, the lower end of the cab has a maximum turning radius of the swivel. It has a lower arc of smaller radius, and at the lower end of the opening of the door, it contacts the lower arc and the cab width from the rear end of the post surface at a point that maximizes the cab width, and contacts the outer end of the rear surface and the lower arc. Has a basic arc reaching the rear end point of the cab provided inside from the intersection of the above, beyond the lower end of the door opening, up to the upper end of the opening, the front end sequentially starts with the basic arc at the rear end of the post surface,
Consisting of a pseudo-cylindrical surface ending at the rear end of the door opening,
In addition, a portion between the rear end of the door opening and the rear end point of the cab is formed as a semi-basic cylindrical surface formed by a rear arc forming a portion between the rear end of the door opening portion and the rear end point of the cab in the basic arc. And cab of construction machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16000895A JP2722055B2 (en) | 1995-06-02 | 1995-06-02 | Cab of construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16000895A JP2722055B2 (en) | 1995-06-02 | 1995-06-02 | Cab of construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08326103A JPH08326103A (en) | 1996-12-10 |
| JP2722055B2 true JP2722055B2 (en) | 1998-03-04 |
Family
ID=15705989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16000895A Expired - Lifetime JP2722055B2 (en) | 1995-06-02 | 1995-06-02 | Cab of construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2722055B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4067242B2 (en) * | 1999-08-09 | 2008-03-26 | 株式会社小松製作所 | Construction machinery cab and construction machinery with the same cab installed |
| JP4598813B2 (en) * | 2007-11-09 | 2010-12-15 | 株式会社小松製作所 | Construction machinery cab |
-
1995
- 1995-06-02 JP JP16000895A patent/JP2722055B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08326103A (en) | 1996-12-10 |
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