JP7054203B2 - Transport work machine - Google Patents

Transport work machine Download PDF

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JP7054203B2
JP7054203B2 JP2018196230A JP2018196230A JP7054203B2 JP 7054203 B2 JP7054203 B2 JP 7054203B2 JP 2018196230 A JP2018196230 A JP 2018196230A JP 2018196230 A JP2018196230 A JP 2018196230A JP 7054203 B2 JP7054203 B2 JP 7054203B2
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loading platform
platform surface
container
locking body
tilting
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JP2020062973A (en
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裕紀 戸舘
駿 三浦
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株式会社ササキコーポレーション
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Description

本発明は、収穫した農作物を収納するコンテナの積載が可能な運搬作業機に関するものであり、特に、積載したコンテナの固定及びコンテナの積み下ろしに適した運搬作業機に関する。 The present invention relates to a transport working machine capable of loading a container for storing harvested agricultural products, and more particularly to a transport working machine suitable for fixing a loaded container and loading and unloading a container.

近年の農業において集約化や大規模化が提唱され、これと共に作業効率の向上が求められている。収穫作業においても同様で、収穫物を大きなコンテナに集中して集め、その後、他の場所へ運搬させることが求められている。コンテナはフォークリフト等の爪及びフォーク部を有した作業機で運搬することに適した大きなコンテナであり、農作物はこのコンテナ内に収容して移動させることが求められている。一方で、農作業に関わる人材が不足している現状があり、農作業に関連する機材を操作する作業者が足りずに効率良く作業ができていない。 In recent years, agriculture has been advocated for consolidation and scale-up, and along with this, improvement in work efficiency is required. The same is true for harvesting operations, where it is required to concentrate the harvested products in a large container and then transport them to another place. The container is a large container suitable for transportation by a working machine having a claw and a fork portion such as a forklift, and it is required to store and move agricultural products in this container. On the other hand, the current situation is that there is a shortage of human resources involved in agricultural work, and there are not enough workers to operate equipment related to agricultural work, so it is not possible to work efficiently.

他方、運搬作業をする装置として、特許文献1に記載のコンテナ運搬用台車が開示されている。このコンテナ運搬用台車は、コンテナ積載用の荷台を形成する上フレームの上面より上にコンテナ固定片を突出させ、荷台上面に載置させたコンテナの周囲をコンテナ固定片で保持させる。そして、上フレームを上昇させたときには、コンテナ固定片は上フレームの上面から下に退くことによって、コンテナの固定を解除させる、とされる。
また、特許文献2には動力運搬車のダンプ荷台装置が開示されている。この装置は、荷台をダンプさせて荷台上の積載物を排出するものである。
On the other hand, the container transport trolley described in Patent Document 1 is disclosed as an apparatus for carrying the transport work. In this container transport trolley, a container fixing piece is projected above the upper surface of the upper frame forming the loading platform for loading the container, and the circumference of the container placed on the upper surface of the loading platform is held by the container fixing piece. Then, when the upper frame is raised, the container fixing piece is retracted downward from the upper surface of the upper frame to release the fixing of the container.
Further, Patent Document 2 discloses a dump truck carrier device for a power carrier. This device dumps the loading platform and discharges the load on the loading platform.

実登第3127597号公報Jitsuto No. 3127597 実開平5-46673号公報Jikkenhei 5-46673 Gazette

しかしながら、特許文献1に記載のコンテナ運搬用台車は、コンテナを荷台から降ろす場合、人手及び機材が必要になる。また、前述した大きなコンテナを使用する場合は、コンテナ運搬用台車から他の場所へ移動させる人手及び機材も必要となり、作業効率が悪い問題がある。
また、特許文献2に記載の動力運搬車の荷台に大きなコンテナを積載し、荷台からコンテナを滑らせて排出するとしても、荷台上の摩擦で滑らかに排出ができない問題がある。
However, the container transport trolley described in Patent Document 1 requires manpower and equipment when the container is unloaded from the loading platform. Further, when the above-mentioned large container is used, manpower and equipment for moving the container transport trolley to another place are required, which causes a problem of poor work efficiency.
Further, even if a large container is loaded on the loading platform of the power carrier described in Patent Document 2 and the container is slid from the loading platform and discharged, there is a problem that the container cannot be smoothly discharged due to friction on the loading platform.

したがって、本発明は上記問題点に着眼してなされたものであり、荷台上のコンテナを安定して積載させると共に荷台からのコンテナの排出動作を滑らかに行い、作業効率を向上させることができる運搬作業機を提供することを目的とする。 Therefore, the present invention has been made with the above problems in mind, and can stably load the containers on the loading platform, smoothly discharge the containers from the loading platform, and improve work efficiency. The purpose is to provide a working machine.

上記目的を達成するために、本発明の一態様は、進行方向に対して左右それぞれに対をなして機枠に配置された走行装置と、この走行装置の上方に位置すると共に回動支点軸を中心に傾斜動作が可能で、積載物を載置する荷台面を有した荷台部と、この荷台部には荷台面より積載物側に回転外径が出ている複数のローラ部材と、走行装置及び荷台部を操作するための操作部と、荷台部の下方に配置され、荷台面上の積載物を係止するために荷台面から積載物側に向けて突出可能に複数設けた係止体と、を備えた運搬作業機であることを要旨とする。 In order to achieve the above object, one aspect of the present invention includes a traveling device arranged on the machine frame in pairs on the left and right sides with respect to the traveling direction, and a rotating fulcrum shaft located above the traveling device. A loading platform portion that can be tilted around the center and has a loading platform surface on which the load is placed, and a plurality of roller members having a rotating outer diameter on the loading platform side from the loading platform surface, and traveling. An operation unit for operating the device and the loading platform unit, and a plurality of locking units arranged below the loading platform unit so as to be able to project from the loading platform surface toward the loading platform side in order to lock the load on the loading platform surface. The gist is that it is a transport work machine equipped with a body.

本発明によれば、荷台上のコンテナを安定して積載させると共に荷台からのコンテナの排出動作を滑らかに行い、作業効率を向上させることができる運搬作業機を提供できる。 According to the present invention, it is possible to provide a transport working machine capable of stably loading a container on a loading platform, smoothly discharging the container from the loading platform, and improving work efficiency.

本発明の実施形態である運搬作業機の正面図である。It is a front view of the transport working machine which is an embodiment of this invention. 本発明の実施形態である運搬作業機の図1に示すA-Aで断面した断面平面図である。FIG. 3 is a cross-sectional plan view taken along the line AA shown in FIG. 1 of the transport working machine according to the embodiment of the present invention. 本発明の実施形態である運搬作業機の荷台部を傾斜させた状態で図2に示すB-Bで断面し、コンテナを省略した断面正面図である。It is a cross-sectional front view which made the cross-section in BB shown in FIG. 本発明の実施形態である運搬作業機の荷台部を傾斜させると共にアオリ部の固定を解除した状態の図2に示すB-Bで断面し、コンテナを省略した断面正面図である。It is a cross-sectional front view which made the cross section in BB shown in FIG. 本発明の実施形態である運搬作業機の図2に示すB-Bで断面し、コンテナを省略すると共に係止部及び係止部付近を拡大し拡大図である。It is a cross-sectional view of BB shown in FIG. 2 of the transport working machine according to the embodiment of the present invention, the container is omitted, and the locking portion and the vicinity of the locking portion are enlarged and enlarged.

次に、図面を参照して、本発明の一実施形態を説明する。以下の図面の記載において、同一又は類似の部分には同一又は類似の符号を付すことがある。説明に用いる図面は模式的なものであり、各部の寸法との関係等は現実のものとは異なることがある。
又、本発明の技術的思想は、特許請求の範囲に記載された請求項が規定する技術的範囲内において、種々の変更を加えることができる。
Next, an embodiment of the present invention will be described with reference to the drawings. In the description of the drawings below, the same or similar parts may be designated by the same or similar reference numerals. The drawings used for explanation are schematic, and the relationship with the dimensions of each part may differ from the actual ones.
Further, the technical idea of the present invention may be modified in various ways within the technical scope specified by the claims described in the claims.

図1乃至図5は、本発明の実施形態である運搬作業機1を示している。
説明においては、図1の左側を進行方向の前方、右側を進行方向の後方、さらに、図2の上側を進行方向に対する右方、下側を作業後進方向に対する左方、として説明する。
1 to 5 show a transport working machine 1 according to an embodiment of the present invention.
In the description, the left side of FIG. 1 will be described as the front in the traveling direction, the right side as the rear in the traveling direction, the upper side of FIG. 2 as the right side with respect to the traveling direction, and the lower side as the left side with respect to the working backward direction.

図1に示す運搬作業機1は、機枠2の進行方向の左右に走行装置3を設け、機枠2及び走行装置3の上方には、傾斜可能な荷台面を有した荷台部4を設けている。荷台面41に積載物を搭載し、走行装置3を使用して移動することによって、積載物を運搬するものである。荷台部4は、荷台面41を傾斜させることが可能で、傾斜することによって、積載物を傾斜面に沿って滑り下ろすことが可能である。荷台部4には、係止体5が荷台面上から突出可能に設けていて、荷台面41の傾斜に連動して、荷台面から係止体5を突出させたり後退させたりすることを可能にしている。この係止体5によって、荷台面上の積載物が移動を規制及び規制解除ができる。さらに荷台部4の後方には操作部6及び動力源7を設けていて、作業者が操作部6を操作することによって、動力源7の出力操作と走行装置3の速度調整と荷台部4の傾斜操作を可能にしている。また、荷台面41上の積載物はコンテナCであり、圃場から収穫した農産物を収容したコンテナCは、運搬作業機1に積載することによって移動することができる。 In the transport work machine 1 shown in FIG. 1, traveling devices 3 are provided on the left and right sides of the machine frame 2 in the traveling direction, and a loading platform portion 4 having a tiltable loading platform surface is provided above the machine frame 2 and the traveling device 3. ing. The load is mounted on the loading platform 41 and moved by using the traveling device 3, thereby transporting the load. The loading platform portion 4 can incline the loading platform surface 41, and by inclining the loading platform portion 4, the load can be slid down along the inclined surface. The locking body 5 is provided on the loading platform 4 so as to be able to protrude from the loading platform surface, and the locking body 5 can be projected or retracted from the loading platform surface in conjunction with the inclination of the loading platform surface 41. I have to. The locking body 5 can regulate and deregulate the movement of the load on the loading platform surface. Further, an operation unit 6 and a power source 7 are provided behind the loading platform 4, and the operator operates the operation unit 6 to operate the output of the power source 7, adjust the speed of the traveling device 3, and control the loading platform 4. It enables tilting operation. Further, the load on the loading platform 41 is the container C, and the container C containing the agricultural products harvested from the field can be moved by loading on the transport work machine 1.

運搬作業機1を詳細に説明する。
運搬作業機1は機枠2を備える。機枠2は後述する走行装置3、荷台部4の取り付け基部となっていて、複数の部材を格子状に組合せて前後方向に配置させている。
機枠2の進行方向左右にはそれぞれ、走行装置3、3を備えている。走行装置3は、進行方向後方に駆動輪31、前方に従動輪32を配置し、この駆動輪31及び従動輪32を巻くように履帯33を配置させている。駆動輪31は回転駆動させることによって履帯33を駆動輪31及び従動輪32を周回転して、運搬作業機1を前後移動させる。又、機枠2の左右に配置させた走行装置3の履帯33の回転速度に差をつけて駆動すると、左右への旋回移動も可能にしている。また、この駆動輪31及び従動輪32の中間には転輪34を配置され、地面に接地した履帯33が大きく撓まないように回転自在に取付けられている。
実施形態において、走行装置3は履帯33を有したものとして説明したが、駆動輪31、従動輪32、転輪34、履帯33に代えて複数の車輪を備えたものでもよい。
The transport work machine 1 will be described in detail.
The transport work machine 1 includes a machine frame 2. The machine frame 2 serves as a mounting base for a traveling device 3 and a loading platform 4 to be described later, and a plurality of members are combined in a grid pattern and arranged in the front-rear direction.
Traveling devices 3 and 3 are provided on the left and right sides of the machine frame 2 in the traveling direction, respectively. The traveling device 3 arranges a drive wheel 31 and a driven wheel 32 in the front in the rearward direction in the traveling direction, and a track 33 is arranged so as to wind the drive wheel 31 and the driven wheel 32. By rotationally driving the drive wheel 31, the crawler belt 33 rotates around the drive wheel 31 and the driven wheel 32, and the transport work machine 1 is moved back and forth. Further, when the crawler belt 33 of the traveling device 3 arranged on the left and right sides of the machine frame 2 is driven with a difference in the rotational speed, the turning movement to the left and right is also possible. Further, a rolling wheel 34 is arranged between the driving wheel 31 and the driven wheel 32, and is rotatably attached so that the crawler belt 33 in contact with the ground does not bend significantly.
In the embodiment, the traveling device 3 has been described as having the crawler belt 33, but the traveling device 3 may be provided with a plurality of wheels instead of the drive wheel 31, the driven wheel 32, the rolling wheel 34, and the crawler belt 33.

機枠2及び走行装置3の上方には荷台部4が配置されている。荷台部4は荷台面41と、駆動手段42、ローラ部材43、アオリ部44を備えている。 A loading platform 4 is arranged above the machine frame 2 and the traveling device 3. The loading platform portion 4 includes a loading platform surface 41, a driving means 42, a roller member 43, and a tilting portion 44.

荷台面41は板状の部材で、上面には積載物であるコンテナCを積載することができる。荷台面41の下面には、複数の部材を格子状に配置させた荷台基部411が固着されていて、荷台面41を補強すると共に荷台面41の基部として機能する。荷台基部411下部の前後方向に対する中央部で進行方向左右それぞれには、三角状部材で構成された取付部材412が固着されている。取付部材412は三角状の面を前後方向に向けていて、この取付部材412と機枠2の前方側の上部に突設させた支点部材413に、回動支点軸414を通している。回動支点軸414は進行方向と直交する左右に向けて取り付けられていて、荷台部4は回動支点軸414を中心に上下方向に回動自在である。 The loading platform 41 is a plate-shaped member, and the container C, which is a load, can be loaded on the upper surface. A loading platform base 411 in which a plurality of members are arranged in a grid pattern is fixed to the lower surface of the loading platform surface 41 to reinforce the loading platform surface 41 and function as a base of the loading platform surface 41. A mounting member 412 made of a triangular member is fixed to each of the left and right sides in the traveling direction at the central portion of the lower portion of the loading platform base 411 with respect to the front-rear direction. The mounting member 412 has a triangular surface facing in the front-rear direction, and the rotating fulcrum shaft 414 is passed through the mounting member 412 and the fulcrum member 413 projecting from the upper part on the front side of the machine frame 2. The rotation fulcrum shaft 414 is attached to the left and right directions orthogonal to the traveling direction, and the loading platform 4 is rotatable in the vertical direction around the rotation fulcrum shaft 414.

荷台基部411の後方側下部には、荷台基部411を回動駆動するための駆動手段42が取付けられている。駆動手段42は伸縮可能なシリンダで、一端部を機枠2の左右中央部付近で前後に対する中央部付近の取付部材421に、他端部を回動支点軸414の後方側の荷台基部411に設けた取付部材422に、それぞれ回動自在に取り付けている。すると、駆動手段42を伸縮させることにより荷台面41及び荷台基部411を回動させて傾斜が可能である。荷台面41及び荷台基部411は、駆動手段42の伸長によって回動が進むにつれて後方側が起き上がるように、回動支点軸414を支点にして徐々に傾斜する。駆動手段42を短縮させると、上方に起き上がった荷台面41及び荷台基部411は、徐々に傾斜を弛めながら下がり、水平方向つまり機枠2と平行になるまで下がる。水平状態の荷台面41の後端は機枠2の中央部上方に位置し、荷台面41の前端部は機枠2の前端より前方且つ走行装置3より前方に位置する。また、荷台面41は走行装置3、3の間異に位置するように構成している。 A driving means 42 for rotationally driving the loading platform base 411 is attached to the lower portion on the rear side of the loading platform base 411. The drive means 42 is a telescopic cylinder, one end of which is attached to the mounting member 421 near the center of the machine frame 2 near the center of the left and right sides of the machine frame 2, and the other end of which is attached to the base of the loading platform 411 on the rear side of the rotation fulcrum shaft 414. It is rotatably attached to each of the provided attachment members 422. Then, by expanding and contracting the driving means 42, the loading platform surface 41 and the loading platform base 411 can be rotated and tilted. The loading platform surface 41 and the loading platform base 411 are gradually tilted with the rotation fulcrum shaft 414 as a fulcrum so that the rear side rises as the rotation progresses due to the extension of the drive means 42. When the driving means 42 is shortened, the loading platform surface 41 and the loading platform base 411 that have risen upward gradually descend while gradually loosening the inclination, and descend in the horizontal direction, that is, until they are parallel to the machine frame 2. The rear end of the loading platform 41 in the horizontal state is located above the central portion of the machine frame 2, and the front end of the loading platform 41 is located in front of the front end of the machine frame 2 and in front of the traveling device 3. Further, the loading platform surface 41 is configured to be positioned differently between the traveling devices 3 and 3.

荷台面41には矩形状の孔部を複数設けていて、この孔部のそれぞれに位置するようにローラ部材43を設置している。ローラ部材43は円筒部材で、円筒方向を軸にして、荷台基部411に回転自在に取付けられている。複数設けたローラ部材43の回転半径の一部は、荷台面41から上方にはみ出るように配置し、且つ、荷台部4の回動支点軸414と平行に設けている。実施の形態ではローラ部材43は、荷台面41の進行方向左右端部それぞれに5箇所並べて配置していて、ローラ部材43上に載置した物体は荷台面41の前後方向に移動ができる。また、回転半径が荷台面41から上方へはみ出る量は回転半径の1~2割程度もしくは3~6mm程度に設定している。 A plurality of rectangular holes are provided on the loading platform surface 41, and a roller member 43 is installed so as to be located in each of the holes. The roller member 43 is a cylindrical member and is rotatably attached to the loading platform base 411 with the cylindrical direction as the axis. A part of the radius of gyration of the plurality of roller members 43 is arranged so as to protrude upward from the loading platform surface 41, and is provided in parallel with the rotating fulcrum shaft 414 of the loading platform portion 4. In the embodiment, the roller members 43 are arranged side by side at five positions on the left and right ends of the loading platform 41 in the traveling direction, and the object placed on the roller member 43 can move in the front-rear direction of the loading platform 41. Further, the amount of the turning radius protruding upward from the loading platform surface 41 is set to about 10 to 20% or about 3 to 6 mm of the turning radius.

ローラ部材43上に積載された積載物であるコンテナCは、荷台面41に設けた複数のローラ部材43の回転によって、荷台面41の前後方向に滑らかに移動ができる。また、荷台面41を上方に回動させて、この荷台面41を傾斜させると、ローラ部材43上に積載されたコンテナCは、自重で傾斜に沿って傾斜下方側に移動できる。 The container C, which is a load loaded on the roller member 43, can smoothly move in the front-rear direction of the loading platform surface 41 by the rotation of the plurality of roller members 43 provided on the loading platform surface 41. Further, when the loading platform surface 41 is rotated upward and the loading platform surface 41 is tilted, the container C loaded on the roller member 43 can move downward along the tilt by its own weight.

ここで荷台面41に積載されるコンテナCを説明する。この実施形態で使用するコンテナCは、主に農作物を収容する容器であり、特に畑などで収穫した農作物を収容したり、農作物を収容したままフォークリフト等で他の場所に移動したり、農作物を収容したまま貯蔵庫等での貯蔵を行うことに使用される。製造業者によって詳細な形状に差はあるものの、体系化された農作業、収穫作業、収穫物の貯蔵等に使用されるコンテナCは、大まかに寸法や形状が似通っているので、その一例を説明する。 Here, the container C loaded on the loading platform surface 41 will be described. The container C used in this embodiment is a container mainly for accommodating agricultural products, and in particular, accommodating agricultural products harvested in a field or the like, moving the agricultural products to another place by a forklift or the like while accommodating the agricultural products, or moving the agricultural products to another place. It is used for storage in storage, etc. while it is housed. Although there are differences in detailed shapes depending on the manufacturer, container C used for systematic farming work, harvesting work, storage of harvested products, etc. is roughly similar in size and shape, so an example will be explained. ..

コンテナCは、脚部C1と収容部C2とで構成される。収容部C2は各側面に網状部材を有した直方体の箱状で、脚部C1は、柱状部材で収容部C2の下面の外周付近に、柱の向きを収容部C2下面と垂直にして複数配置させている。複数の脚部C1の下面には、板C1aをそれぞれの脚部C1に架け渡すように梯子状に配置し、固着している。板C1aによってコンテナCが地面や荷台面41に接地した際の接地圧を分散させている。脚部C1の高さは、フォークリフト等の爪の高さより高く設定されている。すると、荷台面41又は地面上に載置されたコンテナCは、収容部C2との間に隙間ができるので、この隙間にフォークリフト等の爪を差し込んでコンテナCを持ち上げることができる。その後、コンテナCは他の場所に移動させることができる。 The container C is composed of a leg portion C1 and a housing portion C2. The accommodating portion C2 has a rectangular parallelepiped box shape having a mesh member on each side surface, and the leg portions C1 are columnar members and are arranged in the vicinity of the outer periphery of the lower surface of the accommodating portion C2 with the direction of the columns perpendicular to the lower surface of the accommodating portion C2. I'm letting you. On the lower surface of the plurality of leg portions C1, the plates C1a are arranged in a ladder shape so as to span the respective leg portions C1 and are fixed to each other. The plate C1a disperses the ground contact pressure when the container C touches the ground or the loading platform surface 41. The height of the leg portion C1 is set higher than the height of the claws of a forklift or the like. Then, since the container C placed on the loading platform surface 41 or the ground has a gap between the container C and the accommodating portion C2, the container C can be lifted by inserting a claw such as a forklift into the gap. After that, the container C can be moved to another place.

さて、上述したコンテナCは荷台面41に積載するとローラ部材43上に位置することになる。この状態で荷台面41を傾斜させると、コンテナCは板C1aを介しローラ部材43によって下方側に滑るように移動する。さらに、コンテナCは荷台面41前方に設けられたアオリ部44を通過して地面に移動する。アオリ部44は荷台面41を前方に延長するよう設置された図2に示す平面視で矩形状の部材で、荷台面41の前端部に進行方向と直交する左右方向に設けた回動軸441によって、荷台面41に対し上下方向に回動可能である。 By the way, when the container C described above is loaded on the loading platform surface 41, it will be located on the roller member 43. When the loading platform surface 41 is tilted in this state, the container C slides downward by the roller member 43 via the plate C1a. Further, the container C passes through the tilting portion 44 provided in front of the loading platform surface 41 and moves to the ground. The tilt portion 44 is a rectangular member in a plan view installed so as to extend the loading platform surface 41 forward, and is provided at the front end portion of the loading platform surface 41 in the left-right direction orthogonal to the traveling direction. Therefore, it can rotate in the vertical direction with respect to the loading platform surface 41.

アオリ部44は、図1に示す正面視で、前後に長い矩形状に構成している。さらに図1に示す正面視でアオリ部44の後方側下部の一部は、後方に突出させた規制部材442を設けていて、この規制部材442は荷台基部411の前端下部に当接する。そうすることでアオリ部44は下方側への回動が規制され、下方への回動が規制されたアオリ部44の上面は荷台面41と平行且つ同一面上になるように設定されている。つまり、アオリ部44は荷台面41と平行状態から上方側にのみ回動が可能で、荷台面41が傾斜する方向と反対に回動する。 The tilt portion 44 has a long rectangular shape in the front-rear direction in the front view shown in FIG. Further, in the front view shown in FIG. 1, a part of the rear lower portion of the tilt portion 44 is provided with a regulating member 442 protruding rearward, and the regulating member 442 abuts on the lower front end of the loading platform base 411. By doing so, the tilting portion 44 is restricted from rotating downward, and the upper surface of the tilting portion 44 whose downward rotation is restricted is set to be parallel to and flush with the loading platform surface 41. .. That is, the tilting portion 44 can rotate only upward from the state parallel to the loading platform surface 41, and rotates in the direction opposite to the direction in which the loading platform surface 41 is inclined.

アオリ部44の進行方向左右両端側で荷台面41の前端部には、アオリ部44が回動時の姿勢を固定及び固定解除するL字状のピン443を設けている。ピン442は荷台基部411の前面に設けたホルダ部445を左右方向に摺動でき、アオリ部44の左右側面に設けた複数の孔444に差し込むことができる。ピン442は、それぞれの孔444位置に差し込むことで、アオリ部44の面は、荷台面41と平行状態又は垂直状態に傾斜角度を変えて、それぞれの角度で固定することができる。又、ピン443を孔444から引き抜くことで、アオリ部44の姿勢の固定を解除することができ、この場合のアオリ部44は上下方向への回動が自在である。 L-shaped pins 443 that fix and release the posture when the tilting portion 44 rotates are provided at the front end portions of the loading platform surface 41 on both left and right ends in the traveling direction of the tilting portion 44. The pin 442 can slide the holder portion 445 provided on the front surface of the loading platform base portion 411 in the left-right direction, and can be inserted into a plurality of holes 444 provided on the left and right side surfaces of the tilt portion 44. By inserting the pin 442 into each hole 444 position, the surface of the tilting portion 44 can be fixed at each angle by changing the inclination angle so as to be parallel to or perpendicular to the loading platform surface 41. Further, by pulling out the pin 443 from the hole 444, the posture of the tilting portion 44 can be released from being fixed, and in this case, the tilting portion 44 can freely rotate in the vertical direction.

図3に示すように、荷台面41と平行状態となり、規制部材442やピン443によって姿勢を固定したアオリ部44は、前方側に延長した荷台面としても機能する。アオリ部44によって荷台面41よりサイズが大きいコンテナCを積載することができる。
また、アオリ部44の前端部は、荷台面41の傾斜によって地面と接触する。これにより、コンテナCを荷台からアオリ部44を介して直接地面に移動させることができ、コンテナCが荷台面41の前端から地面に直接落下することを防ぐ。コンテナCは自重によって滑り落ち、アオリ部44を通過後にコンテナCの前端下部は地面上に接地する。その後、走行装置3によって運搬作業機1を後退させると、コンテナCは完全に地面上に移動する。
As shown in FIG. 3, the tilting portion 44 which is parallel to the loading platform surface 41 and whose posture is fixed by the regulating member 442 and the pin 443 also functions as the loading platform surface extended to the front side. The tilting portion 44 allows the container C having a size larger than that of the loading platform 41 to be loaded.
Further, the front end portion of the tilt portion 44 comes into contact with the ground due to the inclination of the loading platform surface 41. As a result, the container C can be moved directly from the loading platform to the ground via the tilting portion 44, and the container C is prevented from falling directly from the front end of the loading platform 41 to the ground. The container C slides down due to its own weight, and after passing through the tilting portion 44, the lower part of the front end of the container C touches the ground. After that, when the transporting work machine 1 is retracted by the traveling device 3, the container C moves completely on the ground.

コンテナCが荷台面41上から完全に排除できない場合は、アオリ部44を固定しているピン442を外して回動自在な状態にする。その後、さらに荷台面41を傾斜させると、図4に示すように、アオリ部44の前端は地面と当接したまま、荷台面41に対して傾斜した状態になる。荷台面41の傾斜角度は増大するため、コンテナCの荷台面41から地面への移動を助ける。さらに荷台面41を傾斜させアオリ部44の前端部を接地させることで、コンテナCはアオリ部44を通過して滑り落ち、コンテナCの前端下部は地面上に接地する。その後、走行装置3によって運搬作業機1を後退させると、コンテナCは完全に地面上に移動する。 If the container C cannot be completely removed from the loading platform surface 41, the pin 442 fixing the tilting portion 44 is removed to make it rotatable. After that, when the loading platform surface 41 is further tilted, as shown in FIG. 4, the front end of the tilting portion 44 is in an inclined state with respect to the loading platform surface 41 while being in contact with the ground. Since the inclination angle of the loading platform 41 increases, it helps the container C to move from the loading platform 41 to the ground. Further, by inclining the loading platform surface 41 and grounding the front end portion of the tilt portion 44, the container C passes through the tilt portion 44 and slides down, and the lower part of the front end of the container C touches the ground. After that, when the transporting work machine 1 is retracted by the traveling device 3, the container C moves completely on the ground.

アオリ部44を垂直に立てた状態で固定することができる。この状態ではコンテナCが荷台部4の前方に滑り出すことを防止することができる。また、移動等のアオリ部44を使用しないときは、垂直に立てた状態で固定して折畳み状態とすることで、運搬作業機1の寸法を短縮できる。 The tilt portion 44 can be fixed in a vertically upright state. In this state, it is possible to prevent the container C from slipping forward of the loading platform 4. Further, when the tilting portion 44 for moving or the like is not used, the dimensions of the transport working machine 1 can be shortened by fixing the tilting portion 44 in a vertically upright state and setting it in a folded state.

荷台部4を傾斜させず、アオリ部44を荷台面41に対して垂直に立てた状態で固定しない場合は、コンテナCはローラ部材43によって移動可能である。この移動を規制するために係止体5が設けられている。 When the loading platform portion 4 is not tilted and the tilting portion 44 is not fixed in a state of standing perpendicular to the loading platform surface 41, the container C can be moved by the roller member 43. A locking body 5 is provided to regulate this movement.

係止体5は柱状の部材で、機枠2から上方に向け突出させるように、進行方向と直交する左右方向に複数並べて設けている。説明する実施形態において係止体5は角パイプとしているが、柱状であれば断面形状は問わない。係止体5上部の先端部51は、機枠2と平行状態になった荷台面41の後方側に設けた孔部52から上方に向けて突き出ている。実施の形態において係止体5は、機枠2の中央部から荷台面41後方側の面の左右2箇所から突き出るように設定している。係止体5の先端部51は、コンテナC後方に位置する脚部C1及び板C1aより前方に配置された孔部52から、上方に向けて突出する。 The locking body 5 is a columnar member, and a plurality of locking bodies 5 are provided side by side in the left-right direction orthogonal to the traveling direction so as to project upward from the machine frame 2. In the embodiment described, the locking body 5 is a square pipe, but the cross-sectional shape does not matter as long as it is a columnar shape. The tip portion 51 of the upper part of the locking body 5 protrudes upward from the hole portion 52 provided on the rear side of the loading platform surface 41 which is parallel to the machine frame 2. In the embodiment, the locking body 5 is set so as to protrude from the central portion of the machine frame 2 at two locations on the left and right sides of the surface on the rear side of the loading platform 41. The tip portion 51 of the locking body 5 projects upward from the leg portion C1 located behind the container C and the hole portion 52 arranged in front of the plate C1a.

さらに荷台面41の後端には、後端面から上方に向けて係止部材53が固着されている。係止部材53は、複数の棒状及び帯状の部材をそれぞれ複数格子状に配置させた部材で、荷台面41に固定されている。そのため係止部材53は、荷台面41の傾斜と共に回動支点軸414を支点にして上下回動する。
すなわち、荷台面41が水平方向の場合、コンテナC後方側の脚部C1及び板C1aは、前方側に位置する係止体5の先端部51と、後方側に位置する係止部材53に挟まれるように配置されることになる。また、コンテナC後方側の脚部C1及び板C1aの前方側に位置する係止体5は、前記脚部C1及び板C1aの左右両端にそれぞれ位置している。
このように構成することで、コンテナCは前後方向及び左右方向への移動と、荷台面41の法線方向を軸にした回転移動が、係止体5及び係止部材51によって規制される。さらに、前述したアオリ部44面を立てると、係止体5及び係止部材51と共に移動を規制する部材が増えるのでさらに安全性が向上する。
Further, a locking member 53 is fixed to the rear end of the loading platform surface 41 upward from the rear end surface. The locking member 53 is a member in which a plurality of rod-shaped and band-shaped members are arranged in a grid pattern, respectively, and is fixed to the loading platform surface 41. Therefore, the locking member 53 rotates up and down with the rotation fulcrum shaft 414 as a fulcrum along with the inclination of the loading platform surface 41.
That is, when the loading platform surface 41 is in the horizontal direction, the leg portion C1 and the plate C1a on the rear side of the container C are sandwiched between the tip portion 51 of the locking body 5 located on the front side and the locking member 53 located on the rear side. Will be arranged so as to be. Further, the locking bodies 5 located on the front side of the leg portion C1 on the rear side of the container C and the plate C1a are located on the left and right ends of the leg portion C1 and the plate C1a, respectively.
With this configuration, the container C is restricted from moving in the front-rear direction and the left-right direction and rotationally moving about the normal direction of the loading platform 41 by the locking body 5 and the locking member 51. Further, when the above-mentioned tilting portion 44 surface is erected, the number of members for restricting movement is increased together with the locking body 5 and the locking member 51, so that the safety is further improved.

荷台面41が傾斜した場合の係止体5を説明する。係止体5は機枠2に取り付けているので、荷台面41を傾斜させるべく徐々に荷台面41の回動動作を進めると、係止体5の先端部51は徐々に荷台面41から退く。しかし、先端部51は荷台面41から突出した状態であるので、コンテナC後方側の脚部C1及び板C1aは、係止体5と、係止部材53に挟まれている。この状態では、荷台面41からコンテナCが下方に移動することは無く、荷台面41が水平方向と同様に、前後左右への移動と、荷台面41の法線方向を軸にした回転移動が係止体5及び係止部材51によって規制されている。 The locking body 5 when the loading platform surface 41 is tilted will be described. Since the locking body 5 is attached to the machine frame 2, when the rotating operation of the loading platform 41 is gradually advanced in order to incline the loading platform 41, the tip portion 51 of the locking body 5 gradually retracts from the loading platform 41. .. However, since the tip portion 51 is in a state of protruding from the loading platform surface 41, the leg portion C1 and the plate C1a on the rear side of the container C are sandwiched between the locking body 5 and the locking member 53. In this state, the container C does not move downward from the loading platform surface 41, and the loading platform surface 41 moves back and forth and left and right and rotates around the normal direction of the loading platform surface 41 as in the horizontal direction. It is regulated by the locking body 5 and the locking member 51.

さらに、荷台面41を設定した角度まで傾斜動作を進めると、コンテナCは移動可能状態になる。コンテナCを移動可能状態にするには、予めアオリ部44の面を荷台面41に対し平行状態にして固定する。荷台面41の傾斜動作を進めると、先端部51は完全に荷台面41から相対的に退くので、コンテナCの脚部C1及び板C1aは前方側及び傾斜の下方側への規制が無い状態になる。すると、荷台面41上に積載されたコンテナCはローラ部材43を介して、傾斜した荷台面41から自重によって下方に移動を始める。傾斜した荷台面41の前方側に位置するアオリ部44の前端部は地面に当接して状態となり、コンテナCが地面から浮いた状態の荷台面41の前端から落下することを防ぐ。 Further, when the loading platform surface 41 is tilted to the set angle, the container C becomes movable. In order to make the container C movable, the surface of the tilting portion 44 is previously fixed in parallel with the loading platform surface 41. When the tilting operation of the loading platform 41 is advanced, the tip portion 51 completely recedes relatively from the loading platform surface 41, so that the legs C1 and the plate C1a of the container C are not restricted to the front side and the lower side of the inclination. Become. Then, the container C loaded on the loading platform 41 starts to move downward by its own weight from the inclined loading platform 41 via the roller member 43. The front end of the tilting portion 44 located on the front side of the inclined loading platform 41 is in contact with the ground to prevent the container C from falling from the front end of the loading platform 41 floating from the ground.

荷台面41は、さらに傾斜回動を進めることができる。コンテナCが傾斜した荷台面41を自重によって移動を開始できない場合は、傾斜角度をより増やすことで移動を促すことができる。 The loading platform surface 41 can further advance the tilt rotation. If the container C cannot start moving on the inclined loading platform 41 due to its own weight, the movement can be promoted by increasing the inclination angle.

荷台面41上から傾斜面に沿って下方に移動したコンテナCは、アオリ部44を通過後コンテナCの前方側の脚部C1及び板C1aが接地し、移動が停止する。その後、走行装置3を駆動させて運搬作業機1を後方に移動させると、接地した脚部C1及び板C1aは地面との摩擦によって、その場に留まろうとするので、コンテナCは荷台面41から引き摺り下ろされる。このようにして、荷台面41上からコンテナCを地面へ移動させることができる。 After the container C has moved downward from the top of the loading platform 41 along the inclined surface, the leg portion C1 and the plate C1a on the front side of the container C come into contact with the ground after passing through the tilting portion 44, and the movement is stopped. After that, when the traveling device 3 is driven to move the transporting work machine 1 to the rear, the grounded legs C1 and the plate C1a try to stay in place due to friction with the ground, so that the container C has a loading platform surface 41. It is dragged down from. In this way, the container C can be moved to the ground from the loading platform surface 41.

係止体5がコンテナCの脚部C1及び板C1aの移動規制を解除する角度を変更するには、係止体5の先端部51が荷台面41から突出する量及び位置を変更する。荷台面41から突出する量を変更することにより、係止体5がコンテナCの傾斜によって移動する角度を変更することができる。係止体5の上方にはコンテナCの収容部C2があるため、この収容部C2より上方に突出させることはできない。このため、さらに係止体5による移動規制が解除される角度を変更する場合は、荷台面41の回動支点軸414により近接した位置から突出させる。移動規制が解除される荷台部4の角度は、回動支点に近接させるほど、係止体5の先端部51が同じ高さでも係止体5による移動規制が解除される角度を大きくすることができる。反対に回動支点から遠ざけるほど、係止体5による移動規制が解除される荷台部4の角度が小さくなる。 In order to change the angle at which the locking body 5 releases the movement restriction of the leg portion C1 and the plate C1a of the container C, the amount and position of the tip portion 51 of the locking body 5 protruding from the loading platform surface 41 are changed. By changing the amount of protrusion from the loading platform surface 41, the angle at which the locking body 5 moves due to the inclination of the container C can be changed. Since the container C's accommodating portion C2 is located above the locking body 5, it cannot be projected above the accommodating portion C2. Therefore, when the angle at which the movement restriction by the locking body 5 is released is further changed, it is projected from a position closer to the rotation fulcrum shaft 414 of the loading platform surface 41. As for the angle of the loading platform 4 from which the movement restriction is released, the closer to the rotation fulcrum, the larger the angle at which the movement restriction by the locking body 5 is released even if the tip portion 51 of the locking body 5 is at the same height. Can be done. On the contrary, the farther away from the rotation fulcrum, the smaller the angle of the loading platform 4 from which the movement restriction by the locking body 5 is released.

荷台部4は、さらにストッパ45と、延長荷台面46を備える。
ストッパ45は荷台面41の左右両側の側面に取り付けられ、コンテナCの左右方向への移動を規制している。この実施形態の場合、荷台面41左右両側にそれぞれ前後2箇所に設けている。ストッパ45はコンテナCの脚部C1の高さより小さく設定され、荷台面41上にコンテナCをフォークリフト等の機材で積み込む際に障害とならないようにしている。
また、延長荷台面46は荷台面41及びストッパ45の左右両側に荷台面41を進行方向と直交する方向に延長するように設けていて、荷台面41を進行方向と直交する方向に延長する場合に使用する。延長荷台面46は、荷台面41に対して前後方向と平行に回動軸を有して上方向に回動可能で、使用有無に応じて展開したり折畳んだりすることができる。
The loading platform portion 4 further includes a stopper 45 and an extended loading platform surface 46.
The stoppers 45 are attached to the left and right side surfaces of the loading platform 41 to restrict the movement of the container C in the left-right direction. In the case of this embodiment, it is provided at two front and rear locations on both the left and right sides of the loading platform 41. The stopper 45 is set to be smaller than the height of the leg portion C1 of the container C so as not to be an obstacle when the container C is loaded on the loading platform surface 41 with equipment such as a forklift.
Further, the extended loading platform surface 46 is provided on both the left and right sides of the loading platform surface 41 and the stopper 45 so as to extend the loading platform surface 41 in a direction orthogonal to the traveling direction, and the loading platform surface 41 is extended in a direction orthogonal to the traveling direction. Used for. The extended loading platform surface 46 has a rotation axis parallel to the loading platform surface 41 in the front-rear direction and can rotate upward, and can be unfolded or folded depending on whether or not it is used.

荷台部4及び走行装置3を操作するには、荷台部4の後方で機枠2後方部上に設けられた操作部6を操作する。操作部6は複数のレバー61を有していて、これらを操作することにより、操作部6付近に配置された動力源7の出力回転数を調整、荷台部4の傾斜動作、走行装置3の速度調整と操向、のそれぞれを調整及び切替えをする。動力源7の回転は伝動ケース(図示せず)を介して駆動輪31に伝えられ、駆動輪31の回転によって走行装置3を駆動させる。 In order to operate the loading platform 4 and the traveling device 3, the operating section 6 provided on the rear portion of the machine frame 2 is operated behind the loading platform 4. The operation unit 6 has a plurality of levers 61, and by operating these, the output rotation speed of the power source 7 arranged near the operation unit 6 is adjusted, the tilting operation of the loading platform portion 4, and the traveling device 3 are performed. Adjust and switch between speed adjustment and steering. The rotation of the power source 7 is transmitted to the drive wheels 31 via a transmission case (not shown), and the rotation of the drive wheels 31 drives the traveling device 3.

以上のように構成した運搬作業機1は、操作部6の操作によって荷台部4を傾斜動作させ、その後、荷台部4に積載したコンテナCをローラ部材43及び傾斜した荷台部4によって滑らかに地面に排出することができる。また、コンテナCを荷台部4から降ろすための人員及び機材が不要になるため、作業効率を向上させることができる。さらに、荷台部4が水平状態の場合は、係止体5及び係止部材53によってコンテナCの移動を阻止できるので、コンテナCを積載後は安定して運搬作業ができる。 In the transport working machine 1 configured as described above, the loading platform 4 is tilted by the operation of the operating section 6, and then the container C loaded on the loading platform 4 is smoothly grounded by the roller member 43 and the tilted loading platform 4. Can be discharged to. Further, since the personnel and equipment for unloading the container C from the loading platform 4 are not required, the work efficiency can be improved. Further, when the loading platform 4 is in the horizontal state, the locking body 5 and the locking member 53 can prevent the container C from moving, so that the container C can be stably transported after being loaded.

本発明は、上記の実施形態及び変形例によって記載したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示に基づく実施形態、実施例及び運用技術は特許請求の範囲に記載された請求項が規定する技術的範囲内で種々の変更を加えることができる。 Although the present invention has been described by the above embodiments and modifications, the statements and drawings that form part of this disclosure should not be understood as limiting the invention. The embodiments, examples and operational techniques based on this disclosure may be modified in various ways within the technical scope specified by the claims described in the claims.

1 運搬作業機
2 機枠
3 走行装置
4 荷台部
41 荷台面
414 回動支点軸
42 駆動手段
43 ローラ部材
44 アオリ部
5 係止体
6 操作部
7 動力源
C コンテナ
1 Transporting machine 2 Machine frame 3 Traveling device 4 Loading platform 41 Loading platform surface 414 Rotating fulcrum shaft 42 Driving means 43 Roller member 44 Tilt 5 Locking body 6 Operation unit 7 Power source C Container

Claims (5)

進行方向に対して左右それぞれに対をなして機枠に配置された走行装置と、
該走行装置の上方に位置すると共に回動支点軸を中心に傾斜動作が可能で、積載物を載置する荷台面を有した荷台部と、
該荷台部には前記荷台面より積載物側に回転外径が出ている複数のローラ部材と、
前記走行装置及び前記荷台部を操作するための操作部と、
前記荷台部の下方に配置され、前記荷台面上の積載物を係止するために前記荷台面から積載物側に向けて突出可能に複数設けた係止体と、を備え、
前記荷台面は前記係止体が前記荷台面に対して上方に突出可能な孔部、及び、上方に向けて端部に固定した係止部材と、を備え、
前記積載物は前記孔部から上方に突出した前記係止体と前記係止部材とで挟まれるように配置する構成である、
とを特徴とする運搬作業機。
A traveling device arranged on the machine frame in pairs on the left and right with respect to the traveling direction,
A loading platform portion that is located above the traveling device and is capable of tilting around a rotation fulcrum axis and has a loading platform surface on which a load is placed.
The loading platform has a plurality of roller members having a rotating outer diameter on the loading platform side from the loading platform surface.
An operation unit for operating the traveling device and the loading platform unit,
A plurality of locking bodies, which are arranged below the loading platform portion and are provided so as to be able to project from the loading platform surface toward the loading platform side in order to lock the load on the loading platform surface, are provided.
The loading platform surface includes a hole through which the locking body can protrude upward with respect to the loading platform surface, and a locking member fixed to the end portion upward.
The load is arranged so as to be sandwiched between the locking body and the locking member protruding upward from the hole.
A transport work machine characterized by that .
前記荷台面の傾斜動作は進行方向側に向けて行われ、
前記係止体は、前記荷台面を傾斜させた場合は前記荷台面から下方に退き、前記荷台面に積載物が載置可能となった場合は前記荷台面から上方に突出した状態になる、
ことをさらに特徴とする請求項1に記載の運搬作業機。
The tilting operation of the loading platform surface is performed toward the traveling direction side.
When the loading platform surface is tilted, the locking body retracts downward from the loading platform surface, and when the load can be placed on the loading platform surface, the locking body protrudes upward from the loading platform surface.
The transport work machine according to claim 1, further characterized by the above.
前記係止体は前記回動支点軸と平行に並べて設けられると共に前記荷台面の一端側に前記荷台面の内側から突出可能に設けられている、
ことをさらに特徴とする請求項1又は2に記載の運搬作業機。
The locking body is provided side by side in parallel with the rotation fulcrum axis, and is provided on one end side of the loading platform surface so as to be projectable from the inside of the loading platform surface.
The transport working machine according to claim 1 or 2, further characterized by the above.
前記荷台面の回動支点軸より他端側には、前記荷台面の傾斜方向と対向する方向に回動動作が可能で且つ姿勢を固定および固定解除可能に設けたアオリ部と、
ことをさらに特徴とする請求項1乃至3のいずれか1項に記載の運搬作業機。
On the other end side of the rotation fulcrum axis of the loading platform surface, a tilting portion provided so as to be able to rotate in a direction facing the tilting direction of the loading platform surface and to fix and release the posture.
The transport working machine according to any one of claims 1 to 3, further characterized by the above.
前記荷台面の他端側は傾斜動作をさせることにより地面に接地するアオリ部
をさらに備えたことを特徴とする請求項1乃至4のいずれか1項に記載の運搬作業機。
The other end side of the loading platform surface is a tilted portion that comes into contact with the ground by tilting .
The transport working machine according to any one of claims 1 to 4, further comprising.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030175099A1 (en) 2002-02-19 2003-09-18 Phelps Industries, Inc. Trailer tipper
JP3127597U (en) 2006-09-26 2006-12-07 株式会社サンワ Container transport cart
JP2007269272A (en) 2006-03-31 2007-10-18 Kawashima Nougu Seisakusho:Kk Device for automatically opening cargo bed front door of powered conveying vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636902A (en) * 1996-06-27 1997-06-10 Norbury; Steven A. Attachable self-dumping bin for a pick-up truck

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030175099A1 (en) 2002-02-19 2003-09-18 Phelps Industries, Inc. Trailer tipper
JP2007269272A (en) 2006-03-31 2007-10-18 Kawashima Nougu Seisakusho:Kk Device for automatically opening cargo bed front door of powered conveying vehicle
JP3127597U (en) 2006-09-26 2006-12-07 株式会社サンワ Container transport cart

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