JP6424589B2 - Cab rear member - Google Patents

Cab rear member Download PDF

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JP6424589B2
JP6424589B2 JP2014240082A JP2014240082A JP6424589B2 JP 6424589 B2 JP6424589 B2 JP 6424589B2 JP 2014240082 A JP2014240082 A JP 2014240082A JP 2014240082 A JP2014240082 A JP 2014240082A JP 6424589 B2 JP6424589 B2 JP 6424589B2
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frame
plate
pipe frame
welded
pipe
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JP2016101782A (en
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隆裕 今井
隆裕 今井
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Isuzu Motors Ltd
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Isuzu Motors Ltd
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Description

本発明は、シャシフレームのサイドメンバに設けられキャブ後部を支持するキャブリアメンバに関するものである。   The present invention relates to a carburetor member provided on a side member of a chassis frame and supporting a rear portion of the cab.

車両のシャシフレームは、キャブの後部を支持するためのキャブリアメンバを備える。キャブリアメンバは、シャシフレームの両側のサイドメンバから立ち上がると共にサイドメンバ間に掛け渡されるアーチ状に形成されている。   The chassis frame of the vehicle includes a carburetor member for supporting the rear of the cab. The carbria member is formed in an arch shape which stands up from side members on both sides of the chassis frame and is bridged between the side members.

また、キャブリアメンバは、サイドメンバの両外側面から起立されるように設けられる溝状の板フレームと、両板フレーム間に掛け渡されるパイプフレームとを備える。パイプフレームは、その長手方向に沿って板フレームに溶接されている。   Further, the carburia member includes a grooved plate frame provided so as to be erected from both outer side surfaces of the side member, and a pipe frame stretched between the two plate frames. The pipe frame is welded to the plate frame along its longitudinal direction.

特開平06−255532号公報Japanese Patent Application Laid-Open No. 06-255532 特開2009−035118号公報JP, 2009-035118, A 特開平07−251758号公報Unexamined-Japanese-Patent No. 07-251758

ところで、例えばカーブ走行時のキャブには、車幅方向の力が作用し、この力がキャブリアメンバの上部に作用する。このため、パイプフレームと板フレームの溶接部の上端部にはねじり方向の力が作用し、強度的に厳しい条件となるという課題があった。   By the way, for example, a force in the vehicle width direction acts on the cab at the time of traveling in a curve, and this force acts on the upper portion of the carburia member. For this reason, a force in the twisting direction acts on the upper end portion of the welded portion of the pipe frame and the plate frame, and there is a problem that the condition becomes severe in terms of strength.

本発明の目的は、キャブからの車幅方向の力を安定して受けることができるキャブリアメンバを提供することにある。   An object of the present invention is to provide a carburetor member capable of stably receiving a force in the vehicle width direction from a cab.

上述の目的を達成するため、本発明は、シャシフレーム上に設けたキャブの後部を支持すべくシャシフレームの両側のサイドメンバから立ち上がると共に前記サイドメンバ間に掛け渡されるアーチ状のキャブリアメンバにおいて、前記サイドメンバの両外側面から起立されるように設けられる溝状の板フレームと、両側の前記板フレーム間に掛け渡されて設けられるパイプフレームと、前記板フレームと前記パイプフレームの接続部を補強すべく溶接されて設けられる補強部材とを備えたものである。   In order to achieve the above-mentioned object, the present invention is directed to an arch-shaped carburia member which stands up from side members on both sides of the chassis frame and is bridged between the side members so as to support the rear of the cab provided on the chassis frame. A grooved plate frame provided so as to be erected from both outer side surfaces of the side members, a pipe frame provided by being bridged between the plate frames on both sides, and a connection portion between the plate frame and the pipe frame And a reinforcing member provided to be welded to reinforce the

本発明のキャブリアメンバによれば、キャブからの車幅方向の力を安定して受けることができる。   According to the carburia member of the present invention, the force in the vehicle width direction from the cab can be stably received.

本発明の一実施の形態に係るキャブリアメンバの要部拡大斜視図である。It is a principal part expansion perspective view of a carburetor member concerning a 1 embodiment of the present invention. キャブリアメンバの正面図である。It is a front view of a cabria member. 図2のA−A線矢視断面図である。It is an AA arrow directional cross-sectional view of FIG. キャブリアメンバの側面図である。It is a side view of a cabria member.

以下、本発明の好適な実施の形態を添付図面にしたがって説明する。なお、後述する実施の形態における前後左右は、車両の走行方向を基準とする。例えば、車両走行方向前方は単に前方、車両走行方向後方は単に後方という。   Hereinafter, preferred embodiments of the present invention will be described in accordance with the attached drawings. In addition, front and rear, right and left in embodiment mentioned later are based on the traveling direction of a vehicle. For example, the vehicle travel direction forward is simply referred to as the front, and the vehicle travel direction rearward is simply referred to as the rear.

図2及び図4に示すように、キャブリアメンバ1は、シャシフレーム2上に設けたキャブ3の後部を支持するクロスメンバであり、シャシフレーム2の両側のサイドメンバ4から立ち上がると共にサイドメンバ4間に掛け渡されるアーチ状に形成される。また特に、キャブ3の下方に位置するシャシフレーム2前部には、エンジン5が搭載され、エンジン5の周囲には、吸気ダクト6やエアクリーナ7等のエンジン関連機器が設置されるため、キャブリアメンバ1は、エンジン5やエンジン関連機器と干渉しないよう、両側の上下方向中間部が車幅方向外側に膨らんでいる。   As shown in FIGS. 2 and 4, the carbria member 1 is a cross member that supports the rear portion of the cab 3 provided on the chassis frame 2 and stands up from the side members 4 on both sides of the chassis frame 2. It is shaped like an arch bridged between. Furthermore, in particular, the engine 5 is mounted at the front of the chassis frame 2 located below the cab 3 and engine related devices such as the intake duct 6 and the air cleaner 7 are installed around the engine 5. In the member 1, the vertically middle portions on both sides bulge outward in the vehicle width direction so as not to interfere with the engine 5 and engine related devices.

キャブリアメンバ1は、サイドメンバ4の両外側面から起立されるように設けられる溝状の板フレーム8と、サイドメンバ4両側の板フレーム8間に掛け渡されて設けられるパイプフレーム9と、板フレーム8とパイプフレーム9の溶接部たる接続部10を補強すべく板フレーム8及びパイプフレーム9に溶接されて設けられる補強部材11とを備える。   The carbria member 1 is a grooved plate frame 8 provided to be erected from both outer side surfaces of the side member 4 and a pipe frame 9 provided so as to be bridged between the plate frames 8 on both sides of the side member 4; The reinforcing member 11 is provided by welding to the plate frame 8 and the pipe frame 9 in order to reinforce the connection portion 10 which is the welded portion of the plate frame 8 and the pipe frame 9.

図2及び図3に示すように、パイプフレーム9は、断面円形のパイプ材を略アーチ状に屈曲して形成される。また、パイプフレーム9は、両側の上下方向中間部が車幅方向に膨らむように形成されている。パイプフレーム9は、シャシフレーム2の車幅方向外側の両側に間隔を隔てて配置され上方に延びると共に車幅方向外方に延びる一対の下部傾斜フレーム部12と、それぞれの下部傾斜フレーム部12から鉛直上方に延びる一対の上延フレーム部13と、それぞれの上延フレーム部13から上方に延びると共に車幅方向内側に延びる一対の上部傾斜フレーム部14と、上部傾斜フレーム部14間に形成され水平に延びる水平フレーム部15とを備える。上部傾斜フレーム部14には、キャブ3を支持するためのブッシュ16がブラケット17を介して設けられている。また、パイプフレーム9は車幅方向の中心を境に左右対称に形成されている。   As shown in FIGS. 2 and 3, the pipe frame 9 is formed by bending a pipe material having a circular cross section into a substantially arched shape. Further, the pipe frame 9 is formed so that the vertically middle portions on both sides expand in the vehicle width direction. The pipe frame 9 is disposed on both sides of the chassis frame 2 on the outer side in the vehicle width direction at a distance and extends upward and from the lower inclined frame portion 12 of each of the lower inclined frame portions 12 extending outward in the vehicle width direction. A pair of upper extending frame portions 13 extending vertically upward, a pair of upper inclined frame portions 14 extending upward from the respective upper extending frame portions 13 and extending inward in the vehicle width direction, and horizontal formed between the upper inclined frame portions 14 And a horizontal frame portion 15 extending to the A bush 16 for supporting the cab 3 is provided on the upper inclined frame portion 14 via a bracket 17. Further, the pipe frame 9 is formed symmetrically in the left-right direction with respect to the center in the vehicle width direction.

板フレーム8は、金属板をプレス加工等により屈曲させて形成されている。板フレーム8は、パイプフレーム9の前側に当接して配置されパイプフレーム9との当接部両側がパイプフレーム9の延長方向に沿って溶接して接続される前板部18と、パイプフレーム9の後側に当接して配置されると共に前板部18と平行に形成されパイプフレーム9との当接部両側がパイプフレーム9の延長方向に沿って溶接して接続される後板部19と、前板部18と後板部19との間に形成され前板部18と後板部19の車幅方向外側を繋ぐ側板部20と、前板部18の下端部から前方に延びて形成されシャシフレーム2の側面に締結される前側取付ブラケット部21と、後板部19の下端部から後方に延びて形成されシャシフレーム2の側面に締結される後側取付ブラケット部22とを備える。前板部18と後板部19は、パイプフレーム9の側部に沿う形状に形成されており、前後対称に形成されている。前板部18及び後板部19は、パイプフレーム9の下部傾斜フレーム部12に沿って斜め上方に延びる下部傾斜部23と、上延フレーム部13に沿って鉛直上方に延びる上延部24と、上部傾斜フレーム部14に沿って斜め上方に延びる上部傾斜部25とを備える。側板部20は、前板部18及び後板部19の下部傾斜部23及び上延部24の車幅方向外側の縁間に形成されており、前後の上部傾斜部25間には形成されていない。   The plate frame 8 is formed by bending a metal plate by pressing or the like. The plate frame 8 is disposed in contact with the front side of the pipe frame 9, and a front plate portion 18 connected by welding along the extension direction of the pipe frame 9 on both sides of the abutting portion with the pipe frame 9; And a rear plate portion 19 which is formed parallel to the front plate portion 18 and is connected by welding along the extension direction of the pipe frame 9 on the both sides of the contact portion with the pipe frame 9 A side plate portion 20 formed between the front plate portion 18 and the rear plate portion 19 and connecting the outer sides of the front plate portion 18 and the rear plate portion 19 in the vehicle width direction, and extending forward from the lower end portion of the front plate portion 18 A front mounting bracket portion 21 fastened to the side surface of the chassis frame 2; and a rear mounting bracket portion 22 extending backward from the lower end portion of the rear plate portion 19 and fastened to the side surface of the chassis frame 2. The front plate portion 18 and the rear plate portion 19 are formed in a shape along the side of the pipe frame 9 and are formed symmetrically in the front-rear direction. The front plate portion 18 and the rear plate portion 19 have a lower inclined portion 23 extending obliquely upward along the lower inclined frame portion 12 of the pipe frame 9, and an upper extending portion 24 extending vertically upward along the upper extending frame portion 13. And an upper inclined portion 25 extending obliquely upward along the upper inclined frame portion 14. The side plate portion 20 is formed between the edges of the lower inclined portion 23 of the front plate portion 18 and the lower inclined portion 23 of the rear plate portion 19 and the outer edge of the upper extension portion 24 in the vehicle width direction. Absent.

図1及び図2に示すように、補強部材11は、前後の上部傾斜部25の車幅方向内側に設けられ前板部18及び後板部19をつなぐ連結補強部26と、連結補強部26から上方に延びて形成されパイプフレーム9の上部傾斜フレーム部14に溶接される上延補強部27とを備える。連結補強部26は、溝状に形成されており、前板部18及び後板部19にその上端部を外側から覆うように取り付けられる。連結補強部26は、前側の縁が前板部18の前面に溶接され、後側の縁が後板部19の後面に溶接される。また、連結補強部26の上部には、形状が連続的に変化しつつ上延補強部27に接続される連接部28が形成されている。上延補強部27は、パイプフレーム9の外周に沿う断面円弧状に形成されている。上延補強部27は、前後の縁がパイプフレーム9に溶接されると共に上端の縁がパイプフレーム9に溶接されている。補強部材11は、金属板をプレス加工等により屈曲して形成されている。   As shown in FIGS. 1 and 2, the reinforcing member 11 is provided on the inner side in the vehicle width direction of the front and rear upper inclined portions 25 and connects the front plate portion 18 and the rear plate portion 19. And an upwardly extending reinforcement portion 27 which is formed to extend upward and is welded to the upper inclined frame portion 14 of the pipe frame 9. The connection reinforcing portion 26 is formed in a groove shape, and is attached to the front plate portion 18 and the rear plate portion 19 so as to cover the upper end portion from the outside. The connection reinforcing portion 26 has a front edge welded to the front surface of the front plate portion 18 and a rear edge welded to the rear surface of the rear plate portion 19. Moreover, the connection part 28 connected to the overstretched reinforcement part 27 is formed in the upper part of the connection reinforcement part 26, changing a shape continuously. The extended reinforcement portion 27 is formed in a circular arc shape in cross section along the outer periphery of the pipe frame 9. The extended reinforcement portion 27 has its front and rear edges welded to the pipe frame 9 and its upper end welded to the pipe frame 9. The reinforcing member 11 is formed by bending a metal plate by pressing or the like.

次に本実施の形態の作用を述べる。   Next, the operation of this embodiment will be described.

車両がカーブ走行する等してキャブ3に車幅方向の力が作用した場合、キャブリアメンバ1のパイプフレーム9の上部にも車幅方向の力が作用する。これにより、パイプフレーム9と板フレーム8との接続部10は、ねじれ方向の力を受けることとなる。   When the vehicle travels in a curve or the like, and a force in the vehicle width direction acts on the cab 3, a force in the vehicle width direction also acts on the upper portion of the pipe frame 9 of the carburian member 1. Thereby, the connection part 10 of the pipe frame 9 and the board frame 8 receives the force of a twist direction.

このねじれ方向の力は、従来のキャブリアメンバ(図示せず)では、パイプフレームと板フレームとの接続部が受けることとなり、特に板フレーム上端部の接続部では強度的に厳しい条件となる。また、前板部及び後板部の一部がパイプフレームから離間する方向に変形することも考えられ、かかる変形により接続部にかかる力が複雑化することも考えられた。   The force in the twisting direction is received by the connection portion between the pipe frame and the plate frame in the conventional carbaria member (not shown), and particularly in the connection portion at the upper end portion of the plate frame, the condition becomes severe. Further, it is also conceivable that a part of the front and rear plate parts is deformed in a direction of separating from the pipe frame, and it is also considered that the force applied to the connection part is complicated by such deformation.

しかし、本実施の形態に係るキャブリアメンバ1では、補強部材11が車幅方向の力を受けてパイプフレーム9及び板フレーム8の変形を防ぎ、接続部10に作用する力を緩和するため、接続部10に過度な力が作用するのを防ぐことができる。また、たとえ車幅方向の力が大きく、板フレーム8が弾性変形した場合であっても、接続部10を剥がす方向の力を補強部材11の連結補強部26が受けることができ、接続部10を健全な状態に保つことができる。   However, in the carburian member 1 according to the present embodiment, the reinforcing member 11 receives the force in the vehicle width direction to prevent the deformation of the pipe frame 9 and the plate frame 8 and relieves the force acting on the connection portion 10, An excessive force can be prevented from acting on the connection portion 10. Further, even if the force in the vehicle width direction is large and the plate frame 8 is elastically deformed, the connection reinforcing portion 26 of the reinforcing member 11 can receive the force in the direction of peeling the connecting portion 10, and the connecting portion 10 Can be kept in good health.

このように、キャブリアメンバ1が、サイドメンバ4の両外側面から起立されるように設けられる溝状の板フレーム8と、両側の板フレーム8間に掛け渡されて設けられるパイプフレーム9と、板フレーム8とパイプフレーム9の接続部10を補強すべく溶接されて設けられる補強部材11とを備えたため、キャブ3からの車幅方向の力を安定して受けることができる。   Thus, the grooved plate frame 8 provided so as to be erected from both outer side surfaces of the side member 4 and the pipe frame 9 provided so as to be bridged between the plate frames 8 on both sides. Since the reinforcing member 11 is provided to be welded to reinforce the plate frame 8 and the connecting portion 10 of the pipe frame 9, the force in the vehicle width direction from the cab 3 can be stably received.

補強部材11は、板フレーム8上端部の車幅方向内側に設けられ、前板部18及び後板部19をつなぐ連結補強部26と、連結補強部26から上方に延びて形成されパイプフレーム9に溶接される上延補強部27とを備えるものとしたため、パイプフレーム9と板フレーム8の接続部10を簡易な構造で強固に補強できる。   The reinforcing member 11 is provided on the inner side in the vehicle width direction of the upper end portion of the plate frame 8, and is formed to extend upward from the connecting reinforcing portion 26 connecting the front plate portion 18 and the rear plate portion 19. Since the upper extended reinforcing portion 27 to be welded is provided, the connecting portion 10 of the pipe frame 9 and the plate frame 8 can be strongly reinforced with a simple structure.

連結補強部26は、前板部18及び後板部19に外側から覆うように設けられるものとしたため、前板部18及び後板部19がパイプフレーム9から離間する方向に変形するのを防ぐことができ、接続部10に過度な力がかかるのを防ぐことができる。   The connection reinforcing portion 26 is provided so as to cover the front plate portion 18 and the rear plate portion 19 from the outside, so that the front plate portion 18 and the rear plate portion 19 are prevented from being deformed in the direction away from the pipe frame 9 It is possible to prevent the connection portion 10 from being subjected to an excessive force.

上延補強部27は、パイプフレーム9の外周に沿う断面円弧状に形成され、縁部がパイプフレーム9に溶接されるものとしたため、簡易な構造でパイプフレーム9に強固に接合できる。   The overstretched reinforcing portion 27 is formed in a circular arc shape in cross section along the outer periphery of the pipe frame 9, and the edge is welded to the pipe frame 9, so that it can be firmly joined to the pipe frame 9 with a simple structure.

1 キャブリアメンバ
2 シャシフレーム
3 キャブ
4 サイドメンバ
8 板フレーム
9 パイプフレーム
10 接続部
11 補強部材
DESCRIPTION OF SYMBOLS 1 carburetal member 2 chassis frame 3 cab 4 side member 8 plate frame 9 pipe frame 10 connection portion 11 reinforcing member

Claims (4)

シャシフレーム上に設けたキャブの後部を支持すべくシャシフレームの両側のサイドメンバから立ち上がると共に前記サイドメンバ間に掛け渡されるアーチ状のキャブリアメンバにおいて、
前記サイドメンバの両側から起立され、前記キャブ前後方向に交叉する向きに延びる板フレームと、両側の前記板フレーム間に掛け渡されて設けられるパイプフレームと、前記板フレームの前面若しくは後面の少なくとも一方と前記パイプフレームとの当接部を補強すべく溶接されて設けられる補強部材とを備え
前記パイプフレームは、前記板フレームと前記当接部で溶接され、
前記補強部材は、前記板フレームの前記前面若しくは前記後面の少なくとも一方に溶接される連結補強部と、前記連結補強部から上方に延びて形成され、前記パイプフレームに溶接される上延補強部とを有する
ことを特徴とするキャブリアメンバ。
In the arch-like carburia member which stands up from the side members on both sides of the chassis frame to support the rear of the cab provided on the chassis frame and is bridged between the side members,
A plate frame which is erected from both sides of the side member and extends in a direction crossing the front and rear direction of the cab, a pipe frame provided to be bridged between the plate frames on both sides, and at least one of the front and rear surfaces of the plate frame And a reinforcing member welded and provided to reinforce an abutting portion between the pipe frame and the pipe frame ,
The pipe frame is welded to the plate frame at the contact portion,
The reinforcement member is a connection reinforcement portion welded to at least one of the front surface or the rear surface of the plate frame, and an extension reinforcement portion formed extending upward from the connection reinforcement portion and welded to the pipe frame The carburian member characterized by having .
前記板フレームは、前記パイプフレームの前後に溶接される前板部及び後板部を有し、前記補強部材は、前記板フレーム上端部の車幅方向内側に設けられ、
前記連結補強部は、前記前板部及び前記後板部をつなぐ請求項1に記載のキャブリアメンバ。
The plate frame has a front plate portion and a rear plate portion welded to the front and rear of the pipe frame , and the reinforcing member is provided on the inner side in the vehicle width direction of the plate frame upper end portion.
The connection reinforcing portion is cab rear member according to the front plate and the rear plate portion One such tool請 Motomeko 1.
前記連結補強部は、前記前板部及び前記後板部に外側から覆うように設けられた請求項2に記載のキャリアメンバ。   The carrier member according to claim 2, wherein the connection reinforcing portion is provided so as to cover the front plate portion and the rear plate portion from the outside. 前記上延補強部は、前記パイプフレームの外周に沿う断面円弧状に形成され、縁部が前記パイプフレームに溶接された請求項2又は3に記載のキャブリアメンバ。   The carburian member according to claim 2 or 3, wherein the extended reinforcement portion is formed in an arc shape in cross section along an outer periphery of the pipe frame, and an edge portion is welded to the pipe frame.
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