JP2021109505A - Tank lorry - Google Patents

Tank lorry Download PDF

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JP2021109505A
JP2021109505A JP2020001812A JP2020001812A JP2021109505A JP 2021109505 A JP2021109505 A JP 2021109505A JP 2020001812 A JP2020001812 A JP 2020001812A JP 2020001812 A JP2020001812 A JP 2020001812A JP 2021109505 A JP2021109505 A JP 2021109505A
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frame
scaffold
tank
scaffolding
frame member
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JP7402056B2 (en
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享史 橘
Atsushi Tachibana
享史 橘
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Nippon Sharyo Ltd
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Nippon Sharyo Ltd
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Abstract

To provide a tank lorry that does not cause strain in a scaffold arranged on a chassis frame due to twist even when the chassis frame is twisted in response to travel.SOLUTION: An installation member 7 is provided in a first frame member 3a of a pair of right and left frames in a chassis frame 3, and a scaffold 6 is arranged on a scaffold supporting part 7d of the installation member 7. Thus, the installation member 7 is supported in a "cantilever" manner with respect to the first frame member 3a. Even when the first and second frame members 3a, 3b are twisted due to travel of a tank lorry 1, strain due to a difference in twist between the first and second frames 3a, 3b will not occur in the scaffold 6 since the scaffold 6 and the installation member 7 are installed only on the first frame member 3a. This can prevent the scaffold 6 from breaking due to the occurrence of metal fatigue.SELECTED DRAWING: Figure 2

Description

本発明は、タンクローリに関するものである。 The present invention relates to a tank truck.

特許文献１には、左右一対の車台フレーム１３に断面楕円状のタンク２が搭載されたタンクローリ１が開示されている。タンク２上には、前後方向に水平に配された左右のステップボード８が設けられ、そのステップボード８の後端であってタンク２の後部には、梯子（はしご）が設けられている。梯子はステップボード８の上端からタンク２の下部付近まで垂設され、作業員は梯子を昇降することで、タンクローリ１の外部に脚立等の昇降するための機具を用意することなく、ステップボード８へ昇降できる。 Patent Document 1 discloses a tank lorry 1 in which a tank 2 having an elliptical cross section is mounted on a pair of left and right chassis frames 13. Left and right step boards 8 arranged horizontally in the front-rear direction are provided on the tank 2, and a ladder is provided at the rear end of the step board 8 and at the rear of the tank 2. The ladder is hung from the upper end of the step board 8 to the vicinity of the lower part of the tank 2, and the worker raises and lowers the ladder without preparing a stepladder or other equipment for raising and lowering the step board 8 outside the tank truck 1. Can go up and down.

特開平１０−１６７３７８号公報（例えば、段落０００２，図５）Japanese Unexamined Patent Publication No. 10-167378 (for example, paragraph 0002, FIG. 5).

梯子の下端はタンク２の下部付近に設けられるので、作業員は地上から梯子の下端に直接足を掛けるのは困難である。そこで、梯子への昇降を容易とするため、タンク２の後方かつ左右の車台フレーム１３上に板状の足場を設けることが考えられる。この場合、足場の左右両端と左右の車台フレーム１３とをボルト等で直接固定する。 Since the lower end of the ladder is provided near the lower part of the tank 2, it is difficult for the worker to put his foot directly on the lower end of the ladder from the ground. Therefore, in order to facilitate the ascent and descent to the ladder, it is conceivable to provide a plate-shaped scaffolding behind the tank 2 and on the left and right chassis frames 13. In this case, the left and right ends of the scaffold and the left and right chassis frames 13 are directly fixed with bolts or the like.

しかしながら、この方式では、タンクローリ１の走行によって左右の車台フレーム１３がねじれた場合、そのねじれによる歪みが足場にも生じ、足場が疲労を起こして破損する虞がある。 However, in this method, when the left and right chassis frames 13 are twisted by the traveling of the tank truck 1, the scaffolding is also distorted due to the twisting, and the scaffolding may be fatigued and damaged.

本発明は、上述した問題点を解決するためになされたものであり、走行によってシャシフレームがねじれた場合でも、そのねじれによる歪みがシャシフレームに設けられた足場に生じることがないタンクローリを提供することを目的としている。 The present invention has been made to solve the above-mentioned problems, and provides a tank truck in which even if the chassis frame is twisted by running, the distortion due to the twist does not occur in the scaffold provided on the chassis frame. The purpose is.

この目的を達成するために本発明のタンクローリは、タンクと、そのタンクを支持するシャシフレームを形成する左右一対の第１フレーム部材および第２フレーム部材と、それら第１フレーム部材および第２フレーム部材上に跨設され作業員が昇降する板状の足場と、その足場を前記第１フレーム部材に取り付ける取付部材とを備えている。 In order to achieve this object, the tank lorry of the present invention includes a tank, a pair of left and right first frame members and second frame members forming a chassis frame supporting the tank, and the first frame member and the second frame member. It is provided with a plate-shaped scaffold that is straddled above and for workers to move up and down, and a mounting member that attaches the scaffold to the first frame member.

請求項１記載のタンクローリによれば、足場を取り付ける取付部材は、シャシフレームを形成する第１及び第２フレーム部材のうちの第１フレーム部材に設けられる。即ち足場は取付部材を介して第１フレーム部材に取り付けられ、第１及び第２フレーム部材の両方には取り付けられていない。よって、タンクローリの走行によって第１及び第２フレーム部材にねじれが生じても、第１及び第２フレーム部材間のねじれの差による歪みが足場に生じることはない。これにより、足場が疲労を起こして破損することを抑制できるという効果がある。 According to the tank truck according to claim 1, the mounting member for attaching the scaffold is provided on the first frame member of the first and second frame members forming the chassis frame. That is, the scaffold is attached to the first frame member via the attachment member, and is not attached to both the first and second frame members. Therefore, even if the first and second frame members are twisted due to the running of the tank truck, the scaffolding is not distorted due to the difference in twist between the first and second frame members. This has the effect of preventing the scaffolding from becoming fatigued and damaged.

請求項２記載のタンクローリによれば、請求項１が奏する効果に加え、次の効果を奏する。足場を支持し、弾性を有する足場支持部の上端が、第２フレーム部材よりも高い位置に設けられる。従って、足場に作業員が乗っていない場合は、足場と第２フレーム部材との状態が非接触にあるので、第１及び第２フレーム部材間のねじれの差による歪みが足場に生じることはない。 According to the tank truck according to claim 2, in addition to the effect achieved by claim 1, the following effects are exhibited. The upper end of the scaffolding support portion that supports the scaffolding and has elasticity is provided at a position higher than that of the second frame member. Therefore, when no worker is on the scaffold, the scaffold and the second frame member are in non-contact state, so that the scaffold does not suffer from distortion due to the difference in twist between the first and second frame members. ..

一方で、足場に作業員が乗った場合は、足場支持部が弾性変形することで足場と第２フレーム部材とが当接する。これにより、足場が第１フレーム部材だけでなく、第２フレーム部材にも支持されるので、足場に作業員が乗った場合の安定性を向上できるという効果がある。 On the other hand, when a worker gets on the scaffold, the scaffold support portion is elastically deformed so that the scaffold and the second frame member come into contact with each other. As a result, the scaffolding is supported not only by the first frame member but also by the second frame member, so that there is an effect that the stability when a worker gets on the scaffolding can be improved.

請求項３記載のタンクローリによれば、請求項２が奏する効果に加え、次の効果を奏する。足場と第２フレーム部材との間には、衝撃を緩和する緩衝部材が設けられる。よって、作業員が足場に乗った場合、足場と第２フレーム部材とが緩衝部材を介して当接し、緩衝部材によって当接の際の衝撃が緩和される。これにより、足場または第２フレーム部材が破損することを抑制できると共に、衝撃による足場の振動や騒音の発生を抑制できるという効果がある。 According to the tank truck according to claim 3, in addition to the effect achieved by claim 2, the following effects are exhibited. A cushioning member for cushioning the impact is provided between the scaffold and the second frame member. Therefore, when the worker gets on the scaffold, the scaffold and the second frame member come into contact with each other via the cushioning member, and the shock absorbing member alleviates the impact at the time of contact. This has the effect of suppressing damage to the scaffold or the second frame member and suppressing the generation of vibration and noise of the scaffold due to impact.

請求項４記載のタンクローリによれば、請求項１から３のいずれかが奏する効果に加え、次の効果を奏する。タンクがその下面に取り付けられるサブフレームを介してシャシフレームに配置されており、取付部材はサブフレームよりも後方の第１フレーム部材に設けられる。ここで、サブフレームよりも後方のシャシフレームは、第１及び第２フレーム部材のねじれが大きく発生する場所である。一方でサブフレームよりも後方、即ちタンクの後方は、作業員によるタンクのメンテナンスの際に後部に設けられた梯子に登る時、あるいはタンクの洗浄の時等、必要に応じて作業が行われる場所でもある。 According to the tank truck according to claim 4, in addition to the effect of any one of claims 1 to 3, the following effect is exhibited. The tank is arranged on the chassis frame via a subframe attached to the lower surface thereof, and the attachment member is provided on the first frame member behind the subframe. Here, the chassis frame behind the subframe is a place where a large amount of twisting of the first and second frame members occurs. On the other hand, behind the subframe, that is, behind the tank, is a place where work is performed as needed, such as when climbing a ladder provided at the rear during tank maintenance by workers, or when cleaning the tank. But also.

このようなサブフレームよりも後方の第１フレーム部材に、取付部材および足場を設けることで、第１及び第２フレーム部材のねじれが大きく発生するタンクの後方でも、疲労による破損の虞が抑制された足場を設置できる。かかる足場により、タンクの後方での作業員の作業性を向上できるという効果がある。 By providing the mounting member and the scaffolding on the first frame member behind such a subframe, the risk of damage due to fatigue is suppressed even behind the tank where the first and second frame members are greatly twisted. You can set up a scaffold. Such scaffolding has the effect of improving the workability of workers behind the tank.

（ａ）は、タンクローリの側面図であり、（ｂ）は、（ａ）の矢印Ｉｂ方向視における足場の上面図である。(A) is a side view of the tank truck, and (b) is a top view of the scaffold in the direction of arrow Ib of (a). 図１（ｂ）のＩＩ−ＩＩ断面線における足場の正面図である。It is a front view of the scaffolding in the II-II cross-sectional line of FIG. 1 (b).

以下、本発明の好ましい実施形態について、添付図面を参照して説明する。図１（ａ）は、タンクローリ１の側面図であり、図１（ｂ）は、図１（ａ）の矢印Ｉｂ方向視における足場６の上面図である。タンクローリ１は、液体や粉体等を積載して運搬する車両であり、複数の車輪２と、シャシフレーム３と、サブフレーム４と、タンク５とを有する。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 (a) is a side view of the tank truck 1, and FIG. 1 (b) is a top view of the scaffold 6 in the direction of arrow Ib of FIG. 1 (a). The tank lorry 1 is a vehicle that loads and transports liquids, powders, and the like, and has a plurality of wheels 2, a chassis frame 3, a subframe 4, and a tank 5.

シャシフレーム３は、車輪２に支持されるフレームであり、タンクローリ１の前後方向に沿って延設される。シャシフレーム３は、シャシフレーム３の右側を形成する第１フレーム部材３ａと、シャシフレーム３の左側を形成する第２フレーム部材３ｂとで構成され、第１フレーム部材３ａと第２フレーム部材３ｂとがタンクローリ１の左右方向に対して、所定間隔を隔てて並設される。 The chassis frame 3 is a frame supported by the wheels 2 and extends along the front-rear direction of the tank truck 1. The chassis frame 3 is composed of a first frame member 3a forming the right side of the chassis frame 3 and a second frame member 3b forming the left side of the chassis frame 3, and the first frame member 3a and the second frame member 3b. Are juxtaposed at predetermined intervals in the left-right direction of the tank lorry 1.

サブフレーム４は、タンク５の下面に取り付けられるフレームであり、シャシフレーム３上に架設される。サブフレーム４及びタンク５は、シャシフレーム３によって支持される。またシャシフレーム３の後端は、サブフレーム４及びタンク５よりも後方に突出し、そのシャシフレーム３の第１及び第２フレーム部材３ａ，３ｂの後端には、リアバンパー３１が配設される。 The subframe 4 is a frame attached to the lower surface of the tank 5, and is erected on the chassis frame 3. The subframe 4 and the tank 5 are supported by the chassis frame 3. Further, the rear end of the chassis frame 3 projects rearward from the subframe 4 and the tank 5, and rear bumpers 31 are arranged at the rear ends of the first and second frame members 3a and 3b of the chassis frame 3. ..

シャシフレーム３上の、リアバンパー３１とサブフレーム４及びタンク５との間には、作業員が昇降するためのアルミニウム合金製の足場６が配設される。足場６は上面視において略矩形状かつ板状に形成され、その左右方向における幅寸法Ｌがシャシフレーム３の第１及び第２フレーム部材３ａ，３ｂ間の距離Ｄよりも大きく形成される。なお、足場６はアルミニウム合金製に限られるものではなく、鉄等の他の金属系の素材で形成しても良いし、繊維強化プラスチック（ＦＲＰ）等の樹脂系の素材で形成しても良い。 An aluminum alloy scaffolding 6 for workers to move up and down is arranged between the rear bumper 31, the subframe 4, and the tank 5 on the chassis frame 3. The scaffold 6 is formed in a substantially rectangular shape and a plate shape in a top view, and its width dimension L in the left-right direction is formed to be larger than the distance D between the first and second frame members 3a and 3b of the chassis frame 3. The scaffold 6 is not limited to being made of an aluminum alloy, and may be formed of another metal-based material such as iron or a resin-based material such as fiber reinforced plastic (FRP). ..

足場６は、その下方に配設された取付部材７によってシャシフレーム３に取り付けられる。取付部材７は、シャシフレーム３の第１フレーム部材３ａに取り付けられ、本実施形態において取付部材７は、足場６の下面における前後２箇所に設けられる。図２を参照して、足場６及び取付部材７の詳細を説明する。 The scaffold 6 is attached to the chassis frame 3 by an attachment member 7 arranged below the scaffold 6. The mounting member 7 is mounted on the first frame member 3a of the chassis frame 3, and in the present embodiment, the mounting member 7 is provided at two front and rear positions on the lower surface of the scaffold 6. The details of the scaffolding 6 and the mounting member 7 will be described with reference to FIG.

図２は、図１（ｂ）のＩＩ−ＩＩ断面線における足場６の正面図である。なお、図２においては、車輪２、サブフレーム４及びタンク５の図示を省略している。図２に示す通り、第１及び第２フレーム部材３ａ，３ｂはそれぞれ断面視においてコ字状に形成され、それぞれのコ字状の開口部が向き合うように配設される。足場６は、その左右両端が第１及び第２フレーム部材３ａ，３ｂ上にそれぞれ跨設される。足場６を取付部材７に取り付けた場合に、足場６の下面であって、第１及び第２フレーム部材３ａ，３ｂと対向する位置には、衝撃を緩和する合成ゴム製の緩衝部材６ａがそれぞれ設けられる。 FIG. 2 is a front view of the scaffold 6 in the II-II cross-sectional line of FIG. 1 (b). In FIG. 2, the wheels 2, the subframe 4, and the tank 5 are not shown. As shown in FIG. 2, the first and second frame members 3a and 3b are each formed in a U-shape in a cross-sectional view, and the U-shaped openings are arranged so as to face each other. The left and right ends of the scaffold 6 are straddled on the first and second frame members 3a and 3b, respectively. When the scaffold 6 is attached to the attachment member 7, a synthetic rubber cushioning member 6a that cushions the impact is provided on the lower surface of the scaffold 6 at positions facing the first and second frame members 3a and 3b, respectively. Provided.

足場６に作業員が乗る等して足場６に荷重が掛かった場合、足場６と第１及び第２フレーム部材３ａ，３ｂとが当接する。この際、足場６と第１及び第２フレーム部材３ａ，３ｂとは緩衝部材６ａを介して当接することで、その衝撃が緩和される。これにより、足場６又は第１及び第２フレーム部材３ａ，３ｂが衝撃によって破損することを抑制できると共に、衝撃による足場６の振動や騒音の発生を抑制できる。 When a load is applied to the scaffolding 6 by a worker riding on the scaffolding 6, the scaffolding 6 and the first and second frame members 3a and 3b come into contact with each other. At this time, the scaffolding 6 and the first and second frame members 3a and 3b are brought into contact with each other via the cushioning member 6a, so that the impact is alleviated. As a result, it is possible to prevent the scaffold 6 or the first and second frame members 3a and 3b from being damaged by the impact, and it is possible to suppress the generation of vibration and noise of the scaffold 6 due to the impact.

取付部材７は、足場６をシャシフレーム３に取り付ける一対の部材であり、フレーム取付部７ａと、延設部７ｂと、筋交支持部７ｃと、足場支持部７ｄとで構成される。取付部材７は、向き合った第１及び第２フレーム部材３ａ，３ｂの内側に配設される。これにより、取付部材７の左右両側が第１及び第２フレーム部材３ａ，３ｂによって保護されるので、タンクローリ１の外部からの物体、例えばタンクローリ１や他の車両が跳ね上げた物体（小石等）が取付部材７に衝突し取付部材７が破損するのを抑制できる。 The mounting member 7 is a pair of members for mounting the scaffolding 6 to the chassis frame 3, and is composed of a frame mounting portion 7a, an extension portion 7b, a brace support portion 7c, and a scaffolding support portion 7d. The mounting member 7 is arranged inside the first and second frame members 3a and 3b facing each other. As a result, both the left and right sides of the mounting member 7 are protected by the first and second frame members 3a and 3b, so that an object from the outside of the tank truck 1, for example, an object (pebbles, etc.) bounced up by the tank truck 1 or another vehicle). Can be prevented from colliding with the mounting member 7 and damaging the mounting member 7.

フレーム取付部７ａは、足場６を第１フレーム部材３ａに接続する部材である。フレーム取付部７ａは、断面視においてＬ字状（図示せず）に形成され、そのＬ字の一側と第１フレーム部材３ａの側面とをボルト及びナット（共に図示せず）で締結することで、第１フレーム部材３ａ並びに地面に対して垂直に接続される。 The frame mounting portion 7a is a member that connects the scaffolding 6 to the first frame member 3a. The frame mounting portion 7a is formed in an L shape (not shown) in a cross-sectional view, and one side of the L shape and the side surface of the first frame member 3a are fastened with bolts and nuts (both not shown). It is connected perpendicular to the first frame member 3a and the ground.

延設部７ｂは、フレーム取付部７ａの上部に水平に接続される部材であり、フレーム取付部７ａから第２フレーム部材３ｂ側に向けて、即ち足場６の下面に沿って延設される。筋交支持部７ｃは、フレーム取付部７ａの下部と、延設部７ｂにおける第２フレーム部材３ｂ側の上部とを接続する部材である。本実施形態では、延設部７ｂ及び筋交支持部７ｃも、フレーム取付部７ａと同様に断面視においてＬ字状（図示せず）に形成される。 The extension portion 7b is a member that is horizontally connected to the upper portion of the frame mounting portion 7a, and extends from the frame mounting portion 7a toward the second frame member 3b side, that is, along the lower surface of the scaffold 6. The brace support portion 7c is a member that connects the lower portion of the frame mounting portion 7a and the upper portion of the extension portion 7b on the second frame member 3b side. In the present embodiment, the extension portion 7b and the brace support portion 7c are also formed in an L shape (not shown) in a cross-sectional view like the frame mounting portion 7a.

足場支持部７ｄは、延設部７ｂの上面に設けられ、足場６を支持する合成ゴム製の部材で構成される。本実施形態では、足場支持部７ｄは中心部が空洞の円筒形（図示せず）に形成され、延設部７ｂの上面にそれぞれ３箇所設けられる。足場６と延設部７ｂと足場支持部７ｄとが、足場６の上面から足場支持部７ｄの空洞を介して延設部７ｂに挿通されるボルトＢと延設部７ｂの下面に配置されるナットＮとを締結することで固定される。その際の足場支持部７ｄの上端は、第１及び第２フレーム部材３ａ，３ｂよりも高い位置に設けられる。具体的には、足場支持部７ｄの上に配置された足場６における緩衝部材６ａの下面と、第１及び第２フレーム部材３ａ，３ｂのそれぞれの上面との間に、所定の隙間（例えば２．５ｍｍ）が形成されるように設けられる。 The scaffolding support portion 7d is provided on the upper surface of the extension portion 7b and is composed of a synthetic rubber member that supports the scaffolding 6. In the present embodiment, the scaffolding support portion 7d is formed in a cylindrical shape (not shown) having a hollow center portion, and is provided at three locations on the upper surface of the extension portion 7b. The scaffold 6, the extension 7b, and the scaffold support 7d are arranged on the bolt B inserted from the upper surface of the scaffold 6 through the cavity of the scaffold support 7d and the lower surface of the extension 7b. It is fixed by fastening with the nut N. The upper end of the scaffolding support portion 7d at that time is provided at a position higher than the first and second frame members 3a and 3b. Specifically, a predetermined gap (for example, 2) is provided between the lower surface of the cushioning member 6a in the scaffold 6 arranged on the scaffold support portion 7d and the upper surface of each of the first and second frame members 3a and 3b. It is provided so that .5 mm) is formed.

このように構成された足場６及び取付部材７の作用効果を説明する。取付部材７はシャシフレーム３における左右一対のフレームのうち、第１フレーム部材３ａに設けられる。即ち足場６は第１及び第２フレーム部材３ａ，３ｂの両方に橋架するように取り付けられるのではなく、取付部材７を介して第１フレーム部材３ａに「片持ち」状態で取り付けられる。 The effects of the scaffolding 6 and the mounting member 7 configured in this way will be described. The mounting member 7 is provided on the first frame member 3a of the pair of left and right frames in the chassis frame 3. That is, the scaffold 6 is not attached to both the first and second frame members 3a and 3b so as to bridge, but is attached to the first frame member 3a via the attachment member 7 in a "cantilevered" state.

これによって、タンクローリ１の走行（特にカーブ路）により、第１及び第２フレーム部材３ａ，３ｂがねじれた場合でも、足場６及び取付部材７は第１フレーム部材３ａにのみ取り付けられるので、第１及び第２フレーム部材３ａ，３ｂ間のねじれの差による歪みが足場６に生じることがない。これにより、足場６や取付部材７が金属疲労を起こして破損することを抑制できる。 As a result, even if the first and second frame members 3a and 3b are twisted due to the traveling of the tank truck 1 (particularly on a curved road), the scaffolding 6 and the mounting member 7 can be mounted only on the first frame member 3a. And the scaffold 6 is not distorted due to the difference in twist between the second frame members 3a and 3b. As a result, it is possible to prevent the scaffolding 6 and the mounting member 7 from being damaged due to metal fatigue.

足場６は、取付部材７の足場支持部７ｄによって、足場６の下面に設けられた緩衝部材６ａと第１及び第２フレーム部材３ａ，３ｂとが所定の隙間を有するように設けられる。これにより、足場６に作業員が乗っていない場合、足場６は、第１及び第２フレーム部材３ａ，３ｂと接触していないので、第１及び第２フレーム部材３ａ，３ｂ間のねじれの差による歪みが足場６に生じることはない。 The scaffolding 6 is provided by the scaffolding support portion 7d of the mounting member 7 so that the cushioning member 6a provided on the lower surface of the scaffolding 6 and the first and second frame members 3a and 3b have a predetermined gap. As a result, when no worker is on the scaffold 6, the scaffold 6 is not in contact with the first and second frame members 3a and 3b, so that the difference in twist between the first and second frame members 3a and 3b. Distortion due to is not generated in the scaffold 6.

一方で足場６に作業員が乗った場合は、作業員の体重によって合成ゴム製の足場支持部７ｄが弾性変形し、足場６に設けられた緩衝部材６ａと、第１及び第２フレーム部材３ａ，３ｂとが当接する。これにより、足場６が第１及び第２フレーム部材３ａ，３ｂに「両持ち」状態で支持されるので、足場６に作業員が乗った場合の安定性を向上できる。 On the other hand, when a worker rides on the scaffold 6, the synthetic rubber scaffold support portion 7d is elastically deformed by the weight of the worker, and the cushioning member 6a provided on the scaffold 6 and the first and second frame members 3a , 3b come into contact with each other. As a result, the scaffolding 6 is supported by the first and second frame members 3a and 3b in a "double-sided" state, so that the stability when a worker rides on the scaffolding 6 can be improved.

ところで、足場６及び取付部材７はサブフレーム４の後方、具体的にはリアバンパー３１とサブフレーム４及びタンク５との間に設けられる（図１参照）。かかる位置のシャシフレーム３は、その上面にサブフレーム４や質量の大きなタンク５が設けられないので剛性が低く、第１及び第２フレーム部材３ａ，３ｂのねじれが大きく発生する場所である。一方でサブフレーム４よりも後方、即ちタンク５の後方は、作業員によるタンク５のメンテナンスの際に後部に設けられた梯子（図示せず）に登る時、あるいはタンク５の洗浄の時等、必要に応じて作業が行われる場所でもある。 By the way, the scaffolding 6 and the mounting member 7 are provided behind the subframe 4, specifically between the rear bumper 31, the subframe 4 and the tank 5 (see FIG. 1). The chassis frame 3 at such a position has low rigidity because the subframe 4 and the tank 5 having a large mass are not provided on the upper surface thereof, and is a place where a large twist of the first and second frame members 3a and 3b occurs. On the other hand, behind the subframe 4, that is, behind the tank 5, when climbing a ladder (not shown) provided at the rear during maintenance of the tank 5 by a worker, or when cleaning the tank 5, etc. It is also the place where work is done as needed.

このようなサブフレーム４よりも後方の第１フレーム部材３ａに、取付部材７及び足場６を設けることで、第１及び第２フレーム部材３ａ，３ｂのねじれが大きく発生するタンク５の後方であっても、金属疲労による破損の虞が抑制された足場６を設置できる。 By providing the mounting member 7 and the scaffolding 6 on the first frame member 3a behind the subframe 4, the first and second frame members 3a and 3b are largely twisted behind the tank 5. However, the scaffolding 6 in which the risk of damage due to metal fatigue is suppressed can be installed.

以上、実施形態に基づき本発明を説明したが、本発明は上述した実施形態に何ら限定されるものではなく、本発明の趣旨を逸脱しない範囲内で種々の改良変更が可能であることは容易に推察できるものである。 Although the present invention has been described above based on the embodiments, the present invention is not limited to the above-described embodiments, and it is easy that various improvements and changes can be made without departing from the spirit of the present invention. It can be inferred from.

上記実施形態では、足場６の緩衝部材６ａと、第１及び第２フレーム部材３ａ，３ｂのとの間に隙間を形成した。しかし、必ずしもこれに限られるものではなく、足場６を第１フレーム部材３ａに固定し、足場６の緩衝部材６ａと第２フレーム部材３ｂとの間にのみ、隙間を形成しても良い。 In the above embodiment, a gap is formed between the cushioning member 6a of the scaffold 6 and the first and second frame members 3a and 3b. However, the present invention is not limited to this, and the scaffolding 6 may be fixed to the first frame member 3a and a gap may be formed only between the cushioning member 6a of the scaffolding 6 and the second frame member 3b.

取付部材７を第１フレーム部材３ａに設けたが、必ずしもこれに限られるものではなく、取付部材７を第２フレーム部材３ｂに設けても良い。また、第１フレーム部材３ａをシャシフレーム３の右側を形成するフレームとし、第２フレーム部材３ｂをシャシフレーム３の左側を形成するフレームとしたが、これに限られず、第１フレーム部材３ａをシャシフレーム３の左側を形成するフレームとし、第２フレーム部材３ｂをシャシフレーム３の右側を形成するフレームとしても良い。 Although the mounting member 7 is provided on the first frame member 3a, the present invention is not necessarily limited to this, and the mounting member 7 may be provided on the second frame member 3b. Further, the first frame member 3a is used as a frame forming the right side of the chassis frame 3, and the second frame member 3b is used as a frame forming the left side of the chassis frame 3. However, the present invention is not limited to this, and the first frame member 3a is used as a chassis. A frame forming the left side of the frame 3 may be used, and the second frame member 3b may be used as a frame forming the right side of the chassis frame 3.

更に緩衝部材６ａを足場６に設けたが、必ずしもこれに限られるものではなく、第１及び第２フレーム部材３ａ，３ｂに緩衝部材６ａを設けても良いし、足場６と第１及び第２フレーム部材３ａ，３ｂとのそれぞれに対して緩衝部材６ａを設けても良い。 Further, the cushioning member 6a is provided on the scaffolding 6, but the present invention is not limited to this, and the cushioning member 6a may be provided on the first and second frame members 3a and 3b, and the scaffolding 6 and the first and second frames may be provided. A cushioning member 6a may be provided for each of the frame members 3a and 3b.

取付部材７は、シャシフレーム３に２箇所に限られず、１箇所でも良いし、３箇所以上設けても良い。 The mounting member 7 is not limited to two places on the chassis frame 3, and may be provided at one place or at three or more places.

足場支持部７ｄは合成ゴム製に限られるものではなく、シリコン樹脂等の弾性を有する他の樹脂系の素材で形成しても良いし、圧縮コイルばね等、他の弾性を有するものを用いても良い。 The scaffolding support portion 7d is not limited to that made of synthetic rubber, and may be formed of another resin-based material having elasticity such as silicon resin, or a material having other elasticity such as a compression coil spring may be used. Is also good.

上記実施形態では、タンクローリ１を例示した。しかし、必ずしもこれに限られるものではなく、他の車両、例えば大型トラックやダンプカーに足場６及び取付部材７を設けても良いし、その他の輸送機械に設けても良い。 In the above embodiment, the tank truck 1 has been illustrated. However, the present invention is not limited to this, and the scaffolding 6 and the mounting member 7 may be provided on other vehicles, for example, a large truck or a dump truck, or may be provided on other transportation machines.

１ タンクローリ
３ シャシフレーム
３ａ 第１フレーム部材（シャシフレームの一部）
３ｂ 第２フレーム部材（シャシフレームの一部）
４ サブフレーム
５ タンク
６ 足場
６ａ 緩衝部材
７ 取付部材
７ａ フレーム取付部（取付部材の一部）
７ｂ 延設部（取付部材の一部）
７ｄ 足場支持部（取付部材の一部）
1 Tank truck 3 Chassis frame 3a 1st frame member (part of chassis frame)
3b 2nd frame member (part of chassis frame)
4 Subframe 5 Tank 6 Scaffolding 6a Cushioning member 7 Mounting member 7a Frame mounting part (part of mounting member)
7b Extension (part of mounting member)
7d Scaffolding support (part of mounting member)

Claims (4)

タンクと、
そのタンクを支持するシャシフレームを形成する左右一対の第１フレーム部材および第２フレーム部材と、
それら第１フレーム部材および第２フレーム部材上に跨設され作業員が昇降する板状の足場と、
その足場を前記第１フレーム部材に取り付ける取付部材とを備えることを特徴とするタンクローリ。 With the tank
A pair of left and right first frame members and second frame members forming a chassis frame that supports the tank,
A plate-shaped scaffold that is straddled over the first frame member and the second frame member and the worker goes up and down,
A tank truck characterized by including a mounting member for attaching the scaffold to the first frame member. 前記取付部材は、前記第１フレーム部材と接続されるフレーム取付部と、そのフレーム取付部に接続され前記足場の下方に沿って延設される延設部と、その延設部上に設けられ前記足場の下面を支持し弾性を有する足場支持部とで構成され、
その足場支持部の上端は、前記第２フレーム部材よりも高い位置に設けられることを特徴とする請求項１記載のタンクローリ。 The mounting member is provided on a frame mounting portion connected to the first frame member, an extension portion connected to the frame mounting portion and extended along the lower side of the scaffold, and the extension portion. It is composed of a scaffolding support portion that supports the lower surface of the scaffolding and has elasticity.
The tank truck according to claim 1, wherein the upper end of the scaffolding support portion is provided at a position higher than that of the second frame member. 前記足場と前記第２フレーム部材との間には、衝撃を緩和する緩衝部材が設けられることを特徴とする請求項２記載のタンクローリ。 The tank truck according to claim 2, wherein a cushioning member for cushioning an impact is provided between the scaffold and the second frame member. 前記タンクは、その下面に取り付けられるサブフレームを介して前記シャシフレームに配置されており、
前記取付部材は、前記サブフレームよりも後方の前記第１フレーム部材に設けられることを特徴とする請求項１から３のいずれかに記載のタンクローリ。
The tank is arranged on the chassis frame via a subframe attached to the lower surface thereof.
The tank truck according to any one of claims 1 to 3, wherein the mounting member is provided on the first frame member behind the subframe.
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Citations (7)

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Publication number Priority date Publication date Assignee Title
JPH10167378A (en) * 1996-12-02 1998-06-23 Showa Aircraft Ind Co Ltd Tank truck
JP2004106746A (en) * 2002-09-19 2004-04-08 Sanyo Unyu Kk Tank lorry
JP2009149205A (en) * 2007-12-20 2009-07-09 Kayaba Ind Co Ltd Rear fender supporting structure in carrier
US20100225082A1 (en) * 2009-03-06 2010-09-09 Polaris Industries Inc. Low speed vehicle
JP2013166486A (en) * 2012-02-16 2013-08-29 Nippon Sharyo Seizo Kaisha Ltd Vehicle
JP2019039744A (en) * 2017-08-24 2019-03-14 丸善工業株式会社 Composite vehicle testing device
KR101981261B1 (en) * 2018-10-18 2019-05-24 신현대특장 주식회사 Recyclable garbage collecting truck

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10167378A (en) * 1996-12-02 1998-06-23 Showa Aircraft Ind Co Ltd Tank truck
JP2004106746A (en) * 2002-09-19 2004-04-08 Sanyo Unyu Kk Tank lorry
JP2009149205A (en) * 2007-12-20 2009-07-09 Kayaba Ind Co Ltd Rear fender supporting structure in carrier
US20100225082A1 (en) * 2009-03-06 2010-09-09 Polaris Industries Inc. Low speed vehicle
JP2013166486A (en) * 2012-02-16 2013-08-29 Nippon Sharyo Seizo Kaisha Ltd Vehicle
JP2019039744A (en) * 2017-08-24 2019-03-14 丸善工業株式会社 Composite vehicle testing device
KR101981261B1 (en) * 2018-10-18 2019-05-24 신현대특장 주식회사 Recyclable garbage collecting truck

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