JP2008169649A - Vehicle - Google Patents

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Publication number
JP2008169649A
JP2008169649A JP2007004967A JP2007004967A JP2008169649A JP 2008169649 A JP2008169649 A JP 2008169649A JP 2007004967 A JP2007004967 A JP 2007004967A JP 2007004967 A JP2007004967 A JP 2007004967A JP 2008169649 A JP2008169649 A JP 2008169649A
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Prior art keywords
cab
bumper
window
wiper
shaft
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JP2007004967A
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JP4883626B2 (en
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Eiji Akabane
英司 赤羽根
Akiyasu Yamada
晃廉 山田
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Caterpillar Japan Ltd
Caterpillar Mitsubishi Ltd
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Caterpillar Mitsubishi Ltd
Shin Caterpillar Mitsubishi Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle capable of improving visibility of a cab window, and capable of improving an aesthetic appearance and rigidity of a cover member. <P>SOLUTION: A cab floor part 34 of a cab 15 is displaceably installed in a turning frame 31 via a vibration control mount 33 for controlling can vibration. A bumper 38 is fixed to a front end part in the cab floor part 34 via an installation member 35, and a driving part 42 of a wiper device 25 for a lower window is incorporated inside this bumper 38 via an installation plate 40. The bumper 38 is arranged in a formed shape of separating a front end part of a skirt 32 from the skirt 32. A shaft through-hole 39 is bored in thus bumper 38, and a wiper movable part 44 for wiping the lower window 22 of the cab 15, is installed on a wiper shaft 43 extracted to an external part via the shaft through-hole 39 from the driving part 42. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、キャブにワイパ装置を備えた車両に関するものである。   The present invention relates to a vehicle including a wiper device in a cab.

油圧ショベルのキャブの前窓は、通常、上下２分割となっており、開閉可能な上窓には降雨拭き払いのために上窓用ワイパ装置が設置され、さらに、キャブの下窓にも下窓用ワイパ装置が設置されている（例えば、特許文献１参照）。   The front window of a cab of a hydraulic excavator is usually divided into two parts, an upper window that can be opened and closed, and a wiper device for the upper window is installed to wipe off the rain. A window wiper device is installed (see, for example, Patent Document 1).

この下窓用ワイパ装置は、下窓枠体または下窓そのものに下窓用ワイパ装置を設置しており、そのため、下窓の大きさが制限される。または、下窓の視界を下窓用ワイパ装置が邪魔をするなどの問題がある。   In this lower window wiper device, the lower window wiper device is installed on the lower window frame or the lower window itself, and therefore the size of the lower window is limited. Or there is a problem that the lower window wiper device obstructs the view of the lower window.

それに対して、キャブから下方へワイパブラケットを突設し、そのワイパブラケットに下窓用ワイパ装置を設置することで、下窓の大きさを制限することなく、下窓用ワイパ装置を設置できるようにしたものがある（例えば、特許文献２参照）。   On the other hand, a wiper bracket projecting downward from the cab and installing a lower window wiper device on the wiper bracket allows the lower window wiper device to be installed without limiting the size of the lower window. (For example, refer to Patent Document 2).

ところが、このようなキャブは、旋回フレームのベッドフレーム(カバー部材)上に防振装置(いわゆるビスカスマウント)を介して設置されているため、キャブとカバー部材との間で相対的な変位が生じるので、下窓用ワイパ装置の回転軸(いわゆるワイパシャフト)がカバー部材の前壁を貫通するシャフト貫通穴に、上記変位以上の隙間を確保する必要があり、カバー部材に相当に大きな穴を穿設する必要がある。
特開２００３−１９１８２７号公報（第４頁、図４） 特開２００３−２６７１９５号公報（第４−５頁、図１−３） However, since such a cab is installed on the bed frame (cover member) of the revolving frame via a vibration isolator (so-called viscous mount), relative displacement occurs between the cab and the cover member. Therefore, it is necessary to secure a clearance larger than the above displacement in the shaft through hole in which the rotating shaft (so-called wiper shaft) of the wiper device for the lower window passes through the front wall of the cover member, and a considerably large hole is formed in the cover member. It is necessary to install.
Japanese Patent Laying-Open No. 2003-191827 (page 4, FIG. 4) JP 2003-267195 A (page 4-5, FIG. 1-3)

このように、下窓用ワイパ装置を下窓枠体または下窓そのものに設置すると下窓の視界性を犠牲にすることになり、さらに、旋回フレームのカバー部材を貫通させて下窓用ワイパ装置のワイパシャフトを外部へ引出すためのシャフト貫通穴が大きなものになり、見映えが悪いとともに、カバー部材の構造物がワイパブラケットの逃げのために大きく抉られ、カバー部材の剛性を確保し難い問題がある。   Thus, if the lower window wiper device is installed on the lower window frame body or the lower window itself, the visibility of the lower window is sacrificed, and the lower window wiper device is further penetrated by penetrating the cover member of the swivel frame. The shaft through hole for pulling out the wiper shaft to the outside becomes large, the appearance is bad, and the structure of the cover member is greatly struck for the escape of the wiper bracket, and it is difficult to secure the rigidity of the cover member There is.

本発明は、このような点に鑑みなされたもので、キャブ窓の視界性を向上できるとともに、カバー部材の見映えや剛性を向上できる車両を提供することを目的とする。   The present invention has been made in view of these points, and an object of the present invention is to provide a vehicle that can improve the visibility of a cab window and improve the appearance and rigidity of a cover member.

請求項１に記載された発明は、車両フレームと、車両フレームに取付けられた防振用の防振マウントと、防振マウントを介して車両フレームに変位可能に取付けられた窓を有するキャブと、車両フレームの前側に配置されキャブに固定されシャフト貫通穴が穿設されたカバー部材と、カバー部材内に組込まれた駆動部からシャフト貫通穴を通して引出したワイパシャフトにキャブの窓を拭くワイパ可動部が取付けられたワイパ装置とを具備した車両である。   The invention described in claim 1 includes a vehicle frame, an anti-vibration mount for vibration isolation attached to the vehicle frame, and a cab having a window attached to the vehicle frame via the anti-vibration mount so as to be displaceable. A cover member arranged on the front side of the vehicle frame and fixed to the cab and having a shaft through hole, and a wiper movable part for wiping the window of the cab to the wiper shaft drawn through the shaft through hole from the drive unit incorporated in the cover member And a wiper device to which is attached.

請求項２に記載された発明は、請求項１記載の車両における車両フレームが、旋回可能に設けられた旋回フレームであり、旋回フレームの周囲に設けられたスカートを具備し、キャブは、防振マウントを介して旋回フレームに取付けられ、カバー部材は、スカートの前端部をスカートから切離して設けられたバンパであるとしたものである。   According to a second aspect of the present invention, the vehicle frame of the vehicle according to the first aspect is a turning frame provided so as to be capable of turning, and includes a skirt provided around the turning frame. The cover member is attached to the revolving frame via the mount, and the cover member is a bumper provided by separating the front end portion of the skirt from the skirt.

請求項１に記載された発明によれば、ワイパ装置の駆動部が車両フレーム前側のカバー部材内に組込まれたことにより、キャブ窓の視界性を最大限に確保でき、さらに、車両フレームに対して防振マウントを介してキャブが相対的に変位しても、このキャブにカバー部材が固定され、このカバー部材内にワイパ装置の駆動部が組込まれて、キャブとワイパ装置とが一体化されているため、カバー部材に穿設されたシャフト貫通穴が最小の穴で済むので、その穴をワイパ組付け部品で隠すことができ、カバー部材の見映えが良くなるとともに、カバー部材に対して相対的に変位する部材がカバー部材の構造物を損なうおそれもないので、カバー部材の剛性を確保できる。   According to the first aspect of the present invention, since the drive unit of the wiper device is incorporated in the cover member on the front side of the vehicle frame, the visibility of the cab window can be ensured to the maximum, and further, Even if the cab is relatively displaced through the anti-vibration mount, the cover member is fixed to the cab, and the drive unit of the wiper device is incorporated in the cover member so that the cab and the wiper device are integrated. Therefore, the shaft through hole drilled in the cover member can be the smallest hole, so that the hole can be hidden by the wiper assembly parts, the appearance of the cover member is improved, and the cover member Since there is no possibility that the relatively displaced member damages the structure of the cover member, the rigidity of the cover member can be ensured.

請求項２に記載された発明によれば、旋回フレームの周囲に設けられたスカートの前端部をスカートから切離してカバー部材としてのバンパを設けたので、外観は、スカートとバンパとが一体的であるが、構造上は、キャブとバンパとが一体化されているので、旋回フレームに対して防振マウントを介してキャブが相対的に変位しても、このキャブと一体のバンパに組込まれたワイパ装置はキャブに対して変位せず、バンパに穿設されたシャフト貫通穴が最小の穴で済むので、見映えが良くなるとともに、バンパに対して相対的に変位する部材がバンパの構造物を損なうおそれもないので、バンパの剛性を確保できる。   According to the invention described in claim 2, since the front end portion of the skirt provided around the revolving frame is separated from the skirt and the bumper as the cover member is provided, the appearance is such that the skirt and the bumper are integrated. However, because the cab and the bumper are integrated on the structure, even if the cab is displaced relative to the revolving frame via the anti-vibration mount, the cab and the bumper are integrated into the cab and the integrated bumper. The wiper device is not displaced with respect to the cab, and the shaft through-hole formed in the bumper can be the smallest hole, so that the appearance is improved and the member that is displaced relative to the bumper is a structure of the bumper. There is no risk of damage to the bumper, so the rigidity of the bumper can be secured.

以下、本発明を、図１および図２に示された一実施の形態を参照しながら詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to one embodiment shown in FIG. 1 and FIG.

図２は、作業機械としての油圧ショベル11を示し、その車両12は、下部走行体13に対し上部旋回体14が旋回可能に設けられ、この上部旋回体14にオペレータの運転室を形成するキャブ15と、エンジンおよびこのエンジンにより駆動されるポンプなどを内蔵した動力装置16とが搭載されている。この車両12の上部旋回体14に腕状の作業装置17が搭載されている。   FIG. 2 shows a hydraulic excavator 11 as a work machine, and the vehicle 12 is provided with an upper swing body 14 that can turn relative to the lower traveling body 13, and a cab that forms an operator's cab on the upper swing body 14. 15 and a power unit 16 incorporating an engine and a pump driven by the engine are mounted. An arm-like working device 17 is mounted on the upper turning body 14 of the vehicle 12.

キャブ15の前面側には、窓としての前窓21および下窓22がそれぞれ設けられ、前窓21は、天井面下まで移動可能に設けられた開閉窓であり、下窓22は、前窓21の下側に抜き差し可能に固定されている。   The front side of the cab 15 is provided with a front window 21 and a lower window 22 as windows. The front window 21 is an opening / closing window provided so as to be movable down to the ceiling surface. The lower window 22 is a front window. It is fixed to the underside of 21 so that it can be inserted and removed.

前窓21は、窓枠23の一側部に設けられた前窓用ワイパ装置24により拭くことができる窓ガラスを備え、下窓22は、キャブ15の下側に設けられたワイパ装置としての下窓用ワイパ装置25により拭くことができる窓ガラスを備えている。   The front window 21 includes a window glass that can be wiped by a front window wiper device 24 provided on one side of the window frame 23, and the lower window 22 serves as a wiper device provided on the lower side of the cab 15. A window glass that can be wiped by the lower window wiper device 25 is provided.

図１に示されるように、上部旋回体14は、下部走行体フレーム（図示せず）に対し旋回可能に設けられた車両フレームとしての旋回フレーム31と、この旋回フレーム31の周囲に設けられたスカート32とを備え、旋回フレーム31には防振ゴムなどにより構成されたキャブ防振用の防振マウント33が取付けられ、この防振マウント33を介して旋回フレーム31にキャブ15のキャブフロア部34が変位可能に取付けられている。   As shown in FIG. 1, the upper turning body 14 is provided around a turning frame 31 as a vehicle frame that is turnable with respect to a lower traveling body frame (not shown), and around the turning frame 31. A cab 32 is attached to the revolving frame 31 via the anti-vibration mount 33. 34 is mounted displaceably.

キャブ15のキャブフロア部34における前端部上には、窓枠23の下枠部材23fが連結され、キャブフロア部34における前端部下には、取付部材35を介してカバー部材としてのバンパ38が固定され、このバンパ38の内部に取付板40が一体的に取付けられ、キャブ15に固定されている。   A lower frame member 23f of the window frame 23 is connected to the front end portion of the cab floor portion 34 of the cab 15, and a bumper 38 as a cover member is fixed to the lower portion of the cab floor portion 34 via the attachment member 35. The mounting plate 40 is integrally mounted inside the bumper 38 and fixed to the cab 15.

このバンパ38は、旋回フレーム31の前側にて、スカート32の前端部をスカート32から切離して形成した形態で配置され、このバンパ38には、シャフト貫通穴39が穿設されている。   The bumper 38 is disposed on the front side of the revolving frame 31 in a form in which the front end portion of the skirt 32 is separated from the skirt 32, and a shaft through hole 39 is formed in the bumper 38.

このバンパ38には、取付板40に固定された下窓用ワイパ装置25の駆動部42が内蔵されている。この駆動部42は、ワイパモータのモータ本体42aと、減速用のギア部42bとを備えている。下窓用ワイパ装置25は、バンパ38内に組込まれた駆動部42からシャフト貫通穴39を通して外部へ引出したワイパシャフト43に、キャブ15の下窓22を拭くワイパ可動部44が取付けられたものである。   The bumper 38 incorporates a drive unit 42 of the lower window wiper device 25 fixed to the mounting plate 40. The drive unit 42 includes a motor main body 42a of a wiper motor and a gear unit 42b for reduction. The wiper device 25 for the lower window has a wiper movable part 44 for wiping the lower window 22 of the cab 15 attached to the wiper shaft 43 drawn out from the drive part 42 incorporated in the bumper 38 through the shaft through hole 39. It is.

次に、図示された実施の形態の作用効果を説明する。   Next, the function and effect of the illustrated embodiment will be described.

キャブ15にバンパ38が固定され、このバンパ38に下窓用ワイパ装置25の駆動部42が組込まれて、キャブ15と下窓用ワイパ装置25とが一体化されているため、旋回フレーム31に対して防振マウント33によりキャブ15が相対的に変位しても、下窓用ワイパ装置25が下窓22に対し相対的に変位することがない。これにより、相対的な変位によりワイパ可動部44のゴムが磨り減ってしまうおそれがなく、また、相対的な変位による干渉を防止するための大きな穴を開ける必要もない。   A bumper 38 is fixed to the cab 15, and the drive unit 42 of the lower window wiper device 25 is incorporated into the bumper 38, and the cab 15 and the lower window wiper device 25 are integrated with each other. On the other hand, even if the cab 15 is relatively displaced by the anti-vibration mount 33, the lower window wiper device 25 is not displaced relative to the lower window 22. Accordingly, there is no possibility that the rubber of the wiper movable portion 44 is worn away due to relative displacement, and it is not necessary to make a large hole for preventing interference due to relative displacement.

下窓用ワイパ装置25の駆動部42が旋回フレーム31の前側に設置されたバンパ38内に組込まれたことにより、下窓22の視界性を最大限に確保できる。   Since the drive unit 42 of the lower window wiper device 25 is incorporated in the bumper 38 installed on the front side of the turning frame 31, the visibility of the lower window 22 can be ensured to the maximum.

さらに、旋回フレーム31の周囲に設けられたスカート32の前端部をスカート32から切離してカバー部材としてのバンパ38を設けたので、外観は、スカート32とバンパ38とが一体的であるが、構造上は、キャブ15とバンパ38とが一体化されているので、旋回フレーム31に対して防振マウント33を介してキャブ15が相対的に変位しても、このキャブ15と一体のバンパ38に組込まれた下窓用ワイパ装置25はキャブ15に対して変位せず、バンパ38に穿設されたワイパシャフト43のシャフト貫通穴39が最小の穴で済む。   Furthermore, since the front end portion of the skirt 32 provided around the swivel frame 31 is separated from the skirt 32 and the bumper 38 as a cover member is provided, the appearance is that the skirt 32 and the bumper 38 are integrated. Above, the cab 15 and the bumper 38 are integrated, so even if the cab 15 is displaced relative to the revolving frame 31 via the anti-vibration mount 33, the cab 15 and the bumper 38 integrated with the cab 15 are integrated. The built-in lower window wiper device 25 is not displaced with respect to the cab 15, and the shaft through hole 39 of the wiper shaft 43 formed in the bumper 38 can be the smallest hole.

したがって、その穴をワイパ装置25の組付け部品で隠すことができ、バンパ38の見映えが良くなるとともに、バンパ38に対して相対的に変位する部材がバンパ38の構造物を損なうおそれもないので、バンパ38の剛性を確保できる。   Therefore, the hole can be concealed by the assembly parts of the wiper device 25, the appearance of the bumper 38 is improved, and a member that is displaced relative to the bumper 38 does not damage the structure of the bumper 38. Therefore, the rigidity of the bumper 38 can be secured.

また、スカート32は、ワイパ取付用の穴を穿設する必要がないので、穴あけによる剛性の低下を防止できる。   In addition, since the skirt 32 does not need to have a hole for attaching a wiper, it is possible to prevent a decrease in rigidity due to drilling.

なお、ワイパ装置25は、下窓22に限らず前窓21の全体を拭くものでも良いし、開閉可能な上窓に対し上窓用ワイパを別個に設置しても良い。   The wiper device 25 is not limited to the lower window 22, and may wipe the entire front window 21. Alternatively, an upper window wiper may be separately installed on the openable upper window.

さらに、バンパ38の取付相手部は、キャブフロア部34に限られず、キャブ15の下枠部材23fでも良い。   Furthermore, the mounting counterpart of the bumper 38 is not limited to the cab floor 34, and may be the lower frame member 23f of the cab 15.

本発明は、キャブにワイパ装置を備えた作業機械車両、運搬車両に利用可能である。   INDUSTRIAL APPLICABILITY The present invention can be used for work machine vehicles and transport vehicles that include a wiper device in a cab.

本発明に係る車両のワイパ装置格納部分を表わす一実施の形態を示す断面図である。It is sectional drawing which shows one Embodiment showing the wiper apparatus storage part of the vehicle which concerns on this invention. 同上車両に作業装置を搭載した作業機械の斜視図である。It is a perspective view of the working machine which mounted the working device on the vehicle same as the above.

符号の説明Explanation of symbols

12 車両
15 キャブ
22 窓としての下窓
25 ワイパ装置
31 車両フレームとしての旋回フレーム
32 スカート
33 防振マウント
38 カバー部材としてのバンパ
39 シャフト貫通穴
42 駆動部
43 ワイパシャフト
44 ワイパ可動部 12 vehicles
15 cab
22 Bottom window as window
25 Wiper device
31 Turning frame as vehicle frame
32 Skirt
33 Anti-vibration mount
38 Bumper as cover member
39 Shaft through hole
42 Drive unit
43 Wiper shaft
44 Wiper moving parts

Claims (2)

車両フレームと、
車両フレームに取付けられた防振用の防振マウントと、
防振マウントを介して車両フレームに変位可能に取付けられた窓を有するキャブと、
車両フレームの前側に配置されキャブに固定されシャフト貫通穴が穿設されたカバー部材と、
カバー部材内に組込まれた駆動部からシャフト貫通穴を通して引出したワイパシャフトにキャブの窓を拭くワイパ可動部が取付けられたワイパ装置と
を具備したことを特徴とする車両。 A vehicle frame;
An anti-vibration mount for vibration isolation attached to the vehicle frame;
A cab having a window displaceably attached to the vehicle frame via an anti-vibration mount;
A cover member disposed on the front side of the vehicle frame and fixed to the cab and having a shaft through hole;
A vehicle comprising: a wiper device in which a wiper movable part for wiping a window of a cab is attached to a wiper shaft drawn out from a drive part incorporated in a cover member through a shaft through hole. 車両フレームは、旋回可能に設けられた旋回フレームであり、
旋回フレームの周囲に設けられたスカートを具備し、
キャブは、防振マウントを介して旋回フレームに取付けられ、
カバー部材は、スカートの前端部をスカートから切離して設けられたバンパである
ことを特徴とする請求項１記載の車両。 The vehicle frame is a turning frame provided to be capable of turning,
A skirt provided around the swivel frame;
The cab is attached to the swivel frame via an anti-vibration mount,
The vehicle according to claim 1, wherein the cover member is a bumper provided by separating a front end portion of the skirt from the skirt.
JP2007004967A 2007-01-12 2007-01-12 vehicle Active JP4883626B2 (en)

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JP4883626B2 JP4883626B2 (en) 2012-02-22

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Cited By (2)

* Cited by examiner, † Cited by third party
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JP2019167740A (en) * 2018-03-23 2019-10-03 日立建機株式会社 Construction machine

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JP2003191827A (en) * 2001-12-26 2003-07-09 Yanmar Co Ltd Wiper device of construction equipment
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JP2010180552A (en) * 2009-02-03 2010-08-19 Caterpillar Japan Ltd Operator's cab protective structure for construction machine
JP2019167740A (en) * 2018-03-23 2019-10-03 日立建機株式会社 Construction machine

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