JPH0143648B2 - - Google Patents
Info
- Publication number
- JPH0143648B2 JPH0143648B2 JP56161227A JP16122781A JPH0143648B2 JP H0143648 B2 JPH0143648 B2 JP H0143648B2 JP 56161227 A JP56161227 A JP 56161227A JP 16122781 A JP16122781 A JP 16122781A JP H0143648 B2 JPH0143648 B2 JP H0143648B2
- Authority
- JP
- Japan
- Prior art keywords
- arm
- loading platform
- joist
- supported
- stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 108010066278 cabin-4 Proteins 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/64—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
- B60P1/6418—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar
- B60P1/6463—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar fitted with articulated beams for longitudinal displacement of the container
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Description
【発明の詳細な説明】
本発明は荷台摺動式トラツクに関するもので、
荷台に対する荷物の積み下ろし時に荷台そのもの
が歩み板となるようにすることを目的としてい
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sliding loading truck,
The purpose is to allow the loading platform itself to act as a footboard when loading and unloading cargo onto the loading platform.
従来1台のトラツクを多目的に使えるようにす
るため、荷台そのものを後退傾斜させて歩み板を
兼ねさせるようにしたものはすでに提案されてい
る。上記従来例においてはトラツクのフレームに
対し後輪上方部分に車幅方向のヒンジを介して固
定テーブルが起伏自在に支持され、固定テーブル
の左右両縁の案内レールに移動テーブルが前後に
摺動自在に支持され、固定テーブルと移動テーブ
ルの間に移動テーブルを前後に摺動させるための
油圧シリンダを配置すると共に、固定テーブルと
フレームとの間に固定テーブルを傾斜させる別の
油圧シリンダを配置している。 Conventionally, in order to enable one truck to be used for multiple purposes, a truck has already been proposed in which the loading platform itself is tilted backwards so that it doubles as a footboard. In the above conventional example, a fixed table is supported so as to be able to rise and fall freely above the rear wheels of the truck frame via a hinge in the vehicle width direction, and a movable table can be slid back and forth on guide rails on both left and right edges of the fixed table. A hydraulic cylinder is disposed between the fixed table and the movable table for sliding the movable table back and forth, and another hydraulic cylinder is disposed between the fixed table and the frame for tilting the fixed table. There is.
(本発明が解決しようとする課題)
ところがその場合は前後摺動用と傾斜用の2種
類の油圧シリンダが不可欠であるため構造が複雑
高価になる。移動テーブル用の案内レールをフレ
ームとは別に設けなければならないこともコスト
アツプの原因となる。(Problems to be Solved by the Present Invention) However, in this case, two types of hydraulic cylinders are essential, one for longitudinal sliding and one for tilting, making the structure complex and expensive. The need to provide guide rails for the movable table separately from the frame also increases costs.
(課題を解決するための手段)
本発明は、前輪及び後輪により支持される前フ
レームと、前フレームの後端部にヒンジを介して
枢着される後フレームと、両フレームの上部に配
置される荷台とを備え、上記荷台の下面は、前後
に延びて上記後フレームに前後に摺動自在に支持
される縦根太を一体的に備え、上記後フレーム
は、荷台傾斜時に地面に着地する支脚を備えた荷
台摺動式トラツクにおいて、上記後フレームと上
記縦根太とを前後に伸縮自在の油圧シリンダで連
結し、上記油圧シリンダにより上記荷台が後方へ
摺動する量を規制する根太ストツパーを上記縦根
太に設け、上記縦根ストツパーにリンクして上記
荷台を傾斜させるアーム機構を設け、上記アーム
機構は、両フレームに軸支される車幅方向の支軸
と、支軸を中心に回動するアームと、アームの先
端部に支持されて上記根太ストツパーと衝合する
ローラと、アームの回動量を規制するアームスト
ツパーとを備え、上記アームは、荷台を傾斜させ
る方向へ回動する際にその回動力を抑制するばね
部材を備えたことにより荷台傾斜用の油圧シリン
ダを省略できるようにしたもので、次に図面によ
り説明する。(Means for Solving the Problems) The present invention provides a front frame supported by a front wheel and a rear wheel, a rear frame pivotally connected to the rear end of the front frame via a hinge, and a rear frame disposed on the top of both frames. The lower surface of the loading platform is integrally provided with a vertical joist that extends back and forth and is slidably supported by the rear frame, and the rear frame lands on the ground when the loading platform is tilted. In a sliding platform truck equipped with supporting legs, the rear frame and the vertical joist are connected by a hydraulic cylinder that is extendable back and forth, and a joist stopper is provided for regulating the amount by which the platform slides rearward by the hydraulic cylinder. An arm mechanism is provided on the vertical joist and linked to the vertical root stopper to tilt the loading platform, and the arm mechanism includes a support shaft in the vehicle width direction supported by both frames, and a support shaft that rotates around the support shaft. A movable arm, a roller supported at the tip of the arm and abutting against the joist stopper, and an arm stopper for regulating the amount of rotation of the arm, and the arm rotates in a direction to tilt the loading platform. By providing a spring member that suppresses the rotational force during the loading, the hydraulic cylinder for tilting the loading platform can be omitted.This will be explained next with reference to the drawings.
(実施例)
本発明を適用したトラツクの左側面を示す第1
図において、前輪1と後輪2で支持されている前
フレーム3の前部にはキヤビン4が搭載されてお
り、前フレーム3の後端には車幅方向(第1図の
紙面と直角な方向)のヒンジ5(ばね受5′によ
りかくれている)を介して後フレーム6が起伏自
在に枢着されている。前フレーム3は従来のもの
と同様の梯子形フレームで、左右一対のサイドメ
ンバ3aは第4図のように車体中央に向い開いた
コの字形にプレス成形されており、前後方向に間
隔をへだてた複数個のクロスメンバ3bを介して
左右のサイドメンバ3aが梯子構造を形成してい
る。後フレーム6も前フレーム3と同様の梯子形
構造を備え、サイドメンバ6aは第3図のように
車体中央側へ向い開いたコの字形プレス品であ
り、前後2個のクロスメンバ6bにより一体化し
ている。ヒンジ5は前フレーム3に設けたヒンジ
ブラケツト(図示せず)と後フレーム6に設けた
ヒンジブラケツトをヒンジピンにより連結した構
造を有する。サイドメンバ3aの上面には補強を
兼ねる厚肉帯鋼板からなるレール7が溶着されて
おり、このレール7はサイドメンバ3aの上面に
突出したリベツトを逃がすための複数個の孔(図
示せず)を有する。なおC16は後フレーム6の
後端部に設けた支脚で、後述するようにヒンジ5
を軸に後フレーム6が回動した時に、地面26に
着地して後フレーム6を支持するためのものであ
る。(Example) First diagram showing the left side of a truck to which the present invention is applied.
In the figure, a cabin 4 is mounted on the front part of a front frame 3 supported by front wheels 1 and rear wheels 2, and a cabin 4 is mounted on the rear end of the front frame 3 in the vehicle width direction (perpendicular to the plane of the paper in Figure 1). A rear frame 6 is pivotally attached via a hinge 5 (hidden by a spring receiver 5') in the direction (direction) so as to be able to rise and fall freely. The front frame 3 is a ladder-shaped frame similar to the conventional one, and the pair of left and right side members 3a are press-molded into a U-shape that opens toward the center of the vehicle body as shown in Figure 4, and are spaced apart in the longitudinal direction. The left and right side members 3a form a ladder structure via a plurality of cross members 3b. The rear frame 6 also has a ladder-shaped structure similar to the front frame 3, and the side members 6a are U-shaped pressed parts that open toward the center of the vehicle body as shown in Figure 3, and are integrated by two front and rear cross members 6b. It has become The hinge 5 has a structure in which a hinge bracket (not shown) provided on the front frame 3 and a hinge bracket provided on the rear frame 6 are connected by a hinge pin. A rail 7 made of a thick steel band plate that also serves as reinforcement is welded to the upper surface of the side member 3a, and this rail 7 has a plurality of holes (not shown) for letting out the rivets protruding from the upper surface of the side member 3a. has. Note that C16 is a support leg provided at the rear end of the rear frame 6, and as described later, the hinge 5
This is for supporting the rear frame 6 by landing on the ground 26 when the rear frame 6 rotates about the axis.
後フレーム6内の前後2個のクロスメンバ6b
(第3図)にはそれぞれ左右両端上面に支持台9
が溶着されており、支持台9の上部外側面から車
幅方向(第3図の左右方向)に延びる支軸10が
突出し、支軸10の先端に鋼鉄製のローラ11が
回転自在に支持され、ローラ11はチヤンネル製
の荷台縦根太12の溝13に嵌合している。縦根
太12は荷台14の下面に固着されて前後方向に
延びる強度部材で、サイドメンバ6aの真上に位
置しており、溝13は車両中央に向い開いたコの
字形断面を有する。従つて後フレーム6上には前
後各2個のローラ11を介して荷台14の左右の
縦根太12が前後方向に摺動自在に支持される。
後フレーム6に対し荷台14が左右にずれること
を阻止するべく、左右のサイドメンバ6aの外側
面にはガイド15が溶着されている。図示のガイ
ド15はチヤンネルで、下半部がサイドメンバ6
aに溶着され、上半部は縦根太12にわずかな〓
間をへだてて対向している。 Two front and rear cross members 6b in the rear frame 6
(Fig. 3) has support stands 9 on the upper surface of both left and right ends, respectively.
A support shaft 10 extending in the vehicle width direction (horizontal direction in FIG. 3) protrudes from the upper outer surface of the support base 9, and a steel roller 11 is rotatably supported at the tip of the support shaft 10. , the roller 11 is fitted into a groove 13 in a vertical joist 12 of a channel-made platform. The vertical joist 12 is a strength member that is fixed to the lower surface of the loading platform 14 and extends in the front-rear direction, and is located directly above the side member 6a, and the groove 13 has a U-shaped cross section that opens toward the center of the vehicle. Therefore, the left and right vertical joists 12 of the loading platform 14 are supported on the rear frame 6 via two rollers 11 at the front and rear so as to be slidable in the front and rear directions.
In order to prevent the loading platform 14 from shifting laterally with respect to the rear frame 6, guides 15 are welded to the outer surfaces of the left and right side members 6a. The illustrated guide 15 is a channel, and the lower half is the side member 6.
a, and the upper half is slightly attached to the vertical joist 12.
They are facing each other with a gap between them.
後輪2より前方の前フレーム3に、本発明のア
ーム機構を構成する車幅方向の支軸17を介して
H形のアーム18が起伏自在に支持されており、
左右アーム18の先端部外側面から車幅方向に支
軸19が突出し、支軸19の先端に鋼鉄製のロー
ラ20が回転自在に支持され、このローラ20は
荷台縦根太12の溝13に嵌合している。荷台縦
根太12の前端には溝13を塞ぐ形の根太ストツ
パー21が溶着されており、このストツパー21
は溝13内のローラ20に対向し、後述する油圧
シリンダ28により荷台14が水平に一定量後退
した時にローラ20に衝合して前上りの姿勢にあ
るアーム18を矢印A方向に引起す役割を果た
す。左右のサイドメンバ3aの内側には、アーム
18の格納位置を規制するアームストツパー22
と、アーム18の起立姿勢を規制するアームスト
ツパー23が固着されている。アーム18がスト
ツパー22に衝合する格納位置にある時、ローラ
20と前後各2個のローラ11とが荷台縦根太1
2をレール7のわずか上方に支持できるように、
ストツパー22の位置が定められている。即ち後
述する油圧シリンダ28により荷台14が第1図
実線の位置から一定量後退する間、荷台縦根太1
2がローラ20に支持されると同時に後フレーム
6に対しては前後に設けた各2個のローラ11を
縦根太12の溝13内に嵌合するようにして、縦
根太12がレール7と摺動摩擦しないように工夫
されている。アーム18がストツパー23に衝合
している時、ローラ20はストツパー21の部分
で縦根太12を支持し、縦根太12及び荷台14
が2点鎖線のように傾斜し、荷台14の後端の後
あおり24をヒンジ25を支点として矢印B方向
に開き、地面26に後あおり24の先端を置くこ
とができる程度にストツパー23の位置とアーム
18の長さが定められている。なお27は引張ば
ね(ばね部材)で、アーム18とその前方の前フ
レーム3との間に配置されており、アーム18が
荷台14を傾斜させる方向(矢印A方向)へ回動
する際にその回動力を抑制する方向(反矢印A方
向)にアーム18を付勢している。この引張ばね
27を設けることにより、仮に誤操作により次に
説明する油圧シリンダ28が急激に荷台14を後
方へ駆動しても、そのばね力によりアーム18は
ゆつくりと荷台14を傾斜させる。またローラ2
0と縦根太12の密着度が増し、荷台14を前方
に移動させる時のガタつき音を防止することがで
きる。 An H-shaped arm 18 is supported on the front frame 3 in front of the rear wheel 2 via a support shaft 17 in the vehicle width direction that constitutes the arm mechanism of the present invention, and is movable up and down.
A support shaft 19 protrudes in the vehicle width direction from the outer surface of the tip of the left and right arms 18, and a steel roller 20 is rotatably supported at the tip of the support shaft 19, and this roller 20 is fitted into the groove 13 of the vertical joist 12 of the platform. It matches. A joist stopper 21 that closes the groove 13 is welded to the front end of the vertical joist 12 of the loading platform.
is opposed to the roller 20 in the groove 13, and plays the role of colliding with the roller 20 and pulling up the arm 18, which is in the forward upward position, in the direction of arrow A when the loading platform 14 is horizontally retreated a certain amount by a hydraulic cylinder 28, which will be described later. fulfill. Arm stoppers 22 are provided inside the left and right side members 3a to regulate the storage position of the arms 18.
An arm stopper 23 for regulating the standing posture of the arm 18 is fixed thereto. When the arm 18 is in the retracted position where it abuts against the stopper 22, the roller 20 and the two rollers 11 at the front and rear are connected to the loading platform vertical joist 1.
2 can be supported slightly above the rail 7,
The position of the stopper 22 is determined. That is, while the loading platform 14 is moved back a certain amount from the position indicated by the solid line in FIG.
2 is supported by the rollers 20, and at the same time, the two rollers 11 provided at the front and rear of the rear frame 6 are fitted into the grooves 13 of the vertical joists 12, so that the vertical joists 12 are connected to the rails 7. Designed to avoid sliding friction. When the arm 18 is in abutment with the stopper 23, the roller 20 supports the vertical joist 12 at the stopper 21, and the roller 20 supports the vertical joist 12 and the loading platform 14.
is inclined as shown by the two-dot chain line, the rear gate 24 at the rear end of the loading platform 14 is opened in the direction of arrow B using the hinge 25 as a fulcrum, and the stopper 23 is positioned so that the tip of the rear gate 24 can be placed on the ground 26. and the length of the arm 18 is determined. Reference numeral 27 denotes a tension spring (spring member), which is disposed between the arm 18 and the front frame 3 in front of it. The arm 18 is biased in a direction (opposite to the direction of arrow A) that suppresses the rotational force. By providing this tension spring 27, even if a hydraulic cylinder 28, which will be described next, suddenly drives the loading platform 14 backward due to an erroneous operation, the arm 18 will gently tilt the loading platform 14 due to the spring force. Also roller 2
0 and the vertical joist 12 are increased, and it is possible to prevent rattling noise when the loading platform 14 is moved forward.
第2図に示す油圧シリンダ28は後端部が後フ
レーム6の後部クロスメンバ6bに設けたブラケ
ツト29に接続し、ロツド30の前端は荷台14
の前端下面に設けたブラケツト31に接続し、キ
ヤビン4の後部又はキヤビン4内に油圧シリンダ
28の制御レバー32が設けてある。 The hydraulic cylinder 28 shown in FIG. 2 has its rear end connected to a bracket 29 provided on the rear cross member 6b of the rear frame 6, and the front end of the rod 30 connected to the loading platform
A control lever 32 for the hydraulic cylinder 28 is connected to a bracket 31 provided on the lower surface of the front end of the hydraulic cylinder 28, and is provided at the rear of the cabin 4 or within the cabin 4.
油圧シリンダ28に油圧を供給し、ロツド30
を伸長して荷台14を第1図実線のように格納し
た時、縦根太12の前端に設けた前向きのテーパ
形突起33がサイドメンバ3a上の孔付受金34
に嵌合して荷台14の前部が走行中に上下にガタ
つかないようにしてある。又突起33が受金34
に嵌合する荷台格納時に、ローラ20が縦根太1
2の上辺12aに設けた切欠35(第5図)又は
縦根太上辺12aに設けた下開き凹部36に嵌合
し、縦根太12が下降し、レール7の上に圧接す
るようにしている。 Hydraulic pressure is supplied to the hydraulic cylinder 28, and the rod 30
When the loading platform 14 is extended and stored as shown by the solid line in FIG.
The front portion of the loading platform 14 is fitted to prevent the front portion of the loading platform 14 from shaking vertically while traveling. Also, the protrusion 33 is the receiver 34
When the loading platform is stored, the roller 20 is connected to the vertical joist 1.
The vertical joist 12 is fitted into a notch 35 (FIG. 5) provided on the upper side 12a of the vertical joist 2 or a downwardly opening recess 36 provided on the upper side 12a of the vertical joist 12, so that the vertical joist 12 descends and comes into pressure contact with the top of the rail 7.
荷台14上に土木建設用機械やその他の荷物を
積込む場合には制御レバー32を操作して油圧シ
リンダ28の油圧供給を停止し、油圧シリンダ2
8のロツド30を締める。そうするとまず縦根太
12は水平に後退を開始し、切欠35(第5図)
又は凹部36(第6図)はローラ20上を乗り越
え、突起33は受金34から後方へ脱出し、縦根
太12はレール7上に浮き、前部は左右各1個の
ローラ20により、又後部は前後に設けられた各
2個のローラ11が縦根太12の溝13内に嵌め
込まれることによつて支持され、一定量水平に後
退する。ストツパー21が格納位置にあるアーム
18の先端のローラ20に衝合すると、アーム1
8は矢印A方向のモーメントを受け、支軸17を
中心に矢印A方向に回動して起立し始める。その
時油圧シリンダ28の作動量に対応して、アーム
18の長さと、支軸17、ヒンジ5間の長さと、
ローラ20、ヒンジ5間の長さからなる3角形が
定まり、荷台14の傾斜角度αは油圧シリンダ2
8の作動量と1対1の関係で変化する。アーム1
8が後部のストツパー23に衝合すると荷台14
の傾斜角度αが最大になり、油圧シリンダ28の
ロツド30は停止する。この間後フレーム6はヒ
ンジ5を中心に回動し、支脚16が地面26に着
地して後フレーム6及び縦根太12上の荷台14
を支持する。次に後あおり24をヒンジ25を支
点として矢印B方向に開き、後あおり24を地面
26につけ、その状態で荷台14上に機械類を自
力で乗せたり、重量物をフオークリフト等により
押し込む。荷物を乗せた後、後あおり24を起立
させ、油圧シリンダ28のロツド30を伸長させ
るようにレバー32を操作する。そうすると荷台
14は前進し、前記と逆の行程を経て傾斜角度α
は減少し、アーム18が逆A方向に回動してスト
ツパー22に衝合した後は縦根太12はレール7
からわずかに離れた状態でローラ20及び前後各
2個のローラ11に支持されて概ね水平に前進
し、突起23が受金34に嵌まると同時に切欠3
5又は凹部36がローラ20に嵌まり、縦根太1
2はレール7上に密着して格納位置にロツクされ
る。 When loading civil engineering construction machinery or other cargo onto the loading platform 14, the control lever 32 is operated to stop the hydraulic pressure supply to the hydraulic cylinder 28, and the hydraulic cylinder 2
Tighten rod 30 of No.8. Then, the vertical joist 12 first starts to retreat horizontally, and the notch 35 (Fig. 5)
Alternatively, the recess 36 (FIG. 6) rides over the roller 20, the protrusion 33 escapes backward from the support 34, the vertical joist 12 floats on the rail 7, and the front part is moved by the rollers 20, one each on the left and right, or The rear part is supported by two rollers 11 provided at the front and rear, which are fitted into grooves 13 of the vertical joists 12, and are horizontally retreated by a certain amount. When the stopper 21 collides with the roller 20 at the tip of the arm 18 in the retracted position, the arm 1
8 receives a moment in the direction of arrow A, rotates in the direction of arrow A around the support shaft 17, and begins to stand up. At that time, the length of the arm 18 and the length between the support shaft 17 and the hinge 5 correspond to the amount of operation of the hydraulic cylinder 28.
A triangle consisting of the length between the roller 20 and the hinge 5 is determined, and the inclination angle α of the loading platform 14 is determined by the hydraulic cylinder 2.
It changes in a one-to-one relationship with the operating amount of No. 8. Arm 1
8 collides with the rear stopper 23, the loading platform 14
The inclination angle α becomes maximum, and the rod 30 of the hydraulic cylinder 28 stops. During this time, the rear frame 6 rotates around the hinge 5, and the supporting legs 16 land on the ground 26, causing the rear frame 6 and the loading platform 12 on the vertical joists 12 to
support. Next, the rear gate 24 is opened in the direction of arrow B using the hinge 25 as a fulcrum, the rear gate 24 is placed on the ground 26, and in this state, machinery is placed on the loading platform 14 by itself or a heavy object is pushed by a forklift or the like. After loading the cargo, the rear gate 24 is raised and the lever 32 is operated so as to extend the rod 30 of the hydraulic cylinder 28. Then, the loading platform 14 moves forward and through the reverse stroke to the inclination angle α
decreases, and after the arm 18 rotates in the reverse A direction and collides with the stopper 22, the vertical joist 12 moves toward the rail 7.
The notch 3 is moved forward approximately horizontally while being supported by the roller 20 and the two front and rear rollers 11 at a slight distance from the notch 34.
5 or the recess 36 fits into the roller 20, and the vertical joist 1
2 is tightly fitted onto the rail 7 and locked in the storage position.
(発明の効果)
以上説明したように本発明においては、前輪1
及び後輪2により支持される前フレーム3と、前
フレーム3の後端部にヒンジ5を介して枢着され
る後フレーム6と、両フレーム3,6の上部に配
置される荷台14とを備え、上記荷台14の下面
は、前後に延びて上記後フレーム6に前後に摺動
自在に支持される縦根太12を一体的に備え、上
記後フレーム6は、荷台傾斜時に地面26に着地
する支脚16を備えた荷台摺動式トラツクにおい
て、上記後フレーム6と上記縦根太12とを前後
に伸縮自在の油圧シリンダ28で連結し、上記油
圧シリンダ28により上記荷台14が後方へ摺動
する量を規制する根太ストツパー21を上記縦根
太12に設け、上記根太ストツパー21にリンク
して上記荷台14を傾斜させるアーム機構を設
け、上記アーム機構は、前フレーム3に軸支され
る車幅方向の支軸17と、支軸17を中心に回動
するアーム18と、アーム18の先端部に支持さ
れて上記根太ストツパー21と衝合するローラ2
0と、アーム18の回動量を規制するアームスト
ツパー22,23とを備え、上記アーム18は、
荷台14を傾斜させる方向へ回動する際にその回
動力を抑制するばね部材(引張ばね27)を備え
ているので、油圧シリンダ28を作動させて荷台
14を後方に摺動させることにより、アーム機構
(支軸17、アーム18、アームストツパー22,
23、引張ばね27等)を介して荷台14を傾斜
させることができる。従つて荷台14を傾斜させ
るための専用の油圧シリンダを省略することがで
き、構造が簡単安価にまとまるのである。しかも
本発明におけるアーム機構は、前フレーム3に軸
支される車幅方向の支軸17と、支軸17を中心
に回動するアーム18と、アーム18の先端部に
支持されて上記根太ストツパー21と衝合するロ
ーラ20と、アーム18の回動量を規制するアー
ムストツパー22,23とを備え、上記アーム1
8は、荷台14を傾斜させる方向へ回動する際に
その回動力を抑制するばね部材(引張ばね27)
を備えているので、仮り誤操作により油圧シリン
ダ28が急激に荷台14を後方へ駆動しても、こ
のばね力によりアーム18はゆつくりと荷台14
を傾斜させる。従つて油圧シリンダ28とアーム
機構とを電気的或いはバルブ調整等の手段によつ
て共通に制御する必要がないので、きわめて簡単
な構造を採用しているにも拘らず、信頼性の高い
安全な荷台傾斜作業を行なうことができる。しか
もこの荷台の傾斜作業は、縦根太12の根太スト
ツパー21がアーム機構を構成するローラ20と
衝合した時にアーム18が支軸17を中心に回動
して縦根太12及び荷台14を傾斜させることと
しているので、簡単なアーム機構を採用しつつ、
無駄のない荷台傾斜作業を行なうことができる。(Effect of the invention) As explained above, in the present invention, the front wheel 1
and a front frame 3 supported by the rear wheels 2, a rear frame 6 pivotally attached to the rear end of the front frame 3 via a hinge 5, and a cargo platform 14 disposed on the upper part of both frames 3 and 6. The lower surface of the loading platform 14 is integrally provided with a vertical joist 12 that extends back and forth and is supported by the rear frame 6 so as to be slidable back and forth, and the rear frame 6 lands on the ground 26 when the loading platform is tilted. In a sliding cargo platform truck equipped with supporting legs 16, the rear frame 6 and the vertical joists 12 are connected by a hydraulic cylinder 28 that is extendable back and forth, and the amount by which the cargo platform 14 slides rearward is controlled by the hydraulic cylinder 28. A joist stopper 21 is provided on the vertical joist 12, and an arm mechanism is provided that is linked to the joist stopper 21 to tilt the loading platform 14. A support shaft 17, an arm 18 rotating around the support shaft 17, and a roller 2 supported by the tip of the arm 18 and abutting against the joist stopper 21.
0, and arm stoppers 22 and 23 for regulating the amount of rotation of the arm 18, and the arm 18 has:
Since it is equipped with a spring member (tension spring 27) that suppresses the rotational force when the loading platform 14 rotates in the direction of tilting, the arm Mechanism (spindle 17, arm 18, arm stopper 22,
23, tension spring 27, etc.), the loading platform 14 can be tilted. Therefore, a dedicated hydraulic cylinder for tilting the loading platform 14 can be omitted, making the structure simple and inexpensive. Moreover, the arm mechanism of the present invention includes a support shaft 17 in the vehicle width direction supported by the front frame 3, an arm 18 that rotates around the support shaft 17, and a joist stopper supported by the tip of the arm 18. 21, and arm stoppers 22 and 23 that restrict the amount of rotation of the arm 18.
Reference numeral 8 denotes a spring member (tension spring 27) that suppresses the rotational force when the loading platform 14 rotates in the direction of inclination.
Even if the hydraulic cylinder 28 suddenly moves the loading platform 14 backward due to an erroneous operation, the arm 18 will move slowly to the loading platform 14 due to the spring force.
Tilt. Therefore, there is no need to commonly control the hydraulic cylinder 28 and the arm mechanism by means such as electricity or valve adjustment. It is possible to perform loading platform tilting work. Moreover, in this work of tilting the loading platform, when the joist stopper 21 of the vertical joist 12 collides with the roller 20 constituting the arm mechanism, the arm 18 rotates around the support shaft 17 to tilt the vertical joist 12 and the loading platform 14. Therefore, while adopting a simple arm mechanism,
It is possible to perform cargo platform tilting work without waste.
更に本発明によると、前輪1及び後輪2により
支持される前フレーム3の後端部にヒンジ5を介
して後フレーム6を枢着している。従つて後フレ
ーム6は実施例で説明したばね受5′よりも後方
に配置されることになるので、ヒンジ5を中心に
回動自在しても前フレーム3の支持に影響がな
く、しかも後フレーム6に縦根太12の案内部材
の機能を与えることとなる。従つて部品点数をほ
とんど増すことなくスライド式の荷台をうること
ができる。 Further, according to the present invention, the rear frame 6 is pivotally connected to the rear end of the front frame 3 supported by the front wheels 1 and the rear wheels 2 via the hinge 5. Therefore, since the rear frame 6 is arranged at the rear of the spring receiver 5' described in the embodiment, even if it is rotatable around the hinge 5, it does not affect the support of the front frame 3, and moreover, The frame 6 is given the function of a guide member for the vertical joists 12. Therefore, a sliding loading platform can be obtained without increasing the number of parts.
しかも後フレーム6により荷台縦根太12を前
後に摺動自在に支持するようにしているので、縦
根太12を支持するために長いガイドレールを設
ける必要はなく、構造が簡素化すると共に、荷台
14を傾ける時、後フレーム6はヒンジ5より後
下がりに下降するため、縦根太12の前端をアー
ム18でわずかに上げるだけで縦根太12に大き
い傾斜角度αを与えやすく、荷台14を格納した
時の高さも小さくなり、全体の重心を下げて安定
性を増すことができ、荷台14への荷物の積み下
ろしも容易になる。 Moreover, since the rear frame 6 supports the loading platform vertical joists 12 so as to be able to slide back and forth, there is no need to provide long guide rails to support the vertical joists 12, and the structure is simplified. When tilting, the rear frame 6 descends backwards from the hinge 5, so it is easy to give a large inclination angle α to the vertical joist 12 by just slightly raising the front end of the vertical joist 12 with the arm 18, and when the loading platform 14 is stored The height of the vehicle is also reduced, the overall center of gravity can be lowered, stability can be increased, and cargo can be easily loaded and unloaded onto the platform 14.
更に本発明によると、荷台傾斜時に地面に着地
する支脚16を備えているので、荷台14が歩み
板の作用をしている間にヒンジ5と荷台後端との
間に大荷重が作用しても支脚16で支持すること
ができ、高い耐久性を維持した状態で縦根太1
2、荷台14を支持することができる。 Further, according to the present invention, since the support leg 16 is provided which lands on the ground when the loading platform is tilted, a large load is applied between the hinge 5 and the rear end of the loading platform while the loading platform 14 acts as a footboard. The vertical joist 1 can also be supported by the supporting legs 16, maintaining high durability.
2. The loading platform 14 can be supported.
(別の実施例)
第7図、第8図のように、前フレーム3の後半
部内側に側方から見て山形のガイドレール40を
取り付け、ガイドレール40の上を、縦根太12
の内側に取り付けたローラ41が走行するように
すると、傾斜した荷台14を水平な格納位置まで
前進させる途中においてヒンジ5とローラ20の
間の縦根太部分をローラ41により支持すること
ができ、前フレーム3と縦根太12の間の摩擦抵
抗が少なくなり、両者間の摩擦抵抗が大きい場合
に生じやすい荷台の急降下及び縦根太12の前フ
レーム3上への衝撃的着座(たたき現象)を確実
に防止することができる。しかも荷台格納時に縦
根太12を前フレーム3に密着させうるため、縦
根太12の上辺12a(第5図)に設けた切欠3
5や凹部36(第6図)を省略することができ
る。(Another embodiment) As shown in FIGS. 7 and 8, a chevron-shaped guide rail 40 is attached to the inside of the rear half of the front frame 3, and a vertical joist 12 is installed above the guide rail 40.
When the rollers 41 attached to the inside of the rollers 41 are allowed to run, the vertical joists between the hinges 5 and the rollers 20 can be supported by the rollers 41 while the inclined loading platform 14 is being advanced to the horizontal storage position. The frictional resistance between the frame 3 and the vertical joist 12 is reduced, and the sudden drop of the loading platform and the impactful seating of the vertical joist 12 on the front frame 3 (knocking phenomenon), which tend to occur when the frictional resistance between the two is large, are reliably prevented. It can be prevented. Moreover, in order to allow the vertical joists 12 to be brought into close contact with the front frame 3 when the loading platform is stored, a notch 3 is provided on the upper side 12a (FIG. 5) of the vertical joists 12.
5 and the recess 36 (FIG. 6) can be omitted.
荷台14の左右前端にアウトリガー43(第2
図)を取りつけると荷台傾斜時の安定性が増大す
る。 Outriggers 43 (second
Attaching the (Fig.) will increase the stability when the loading platform is tilted.
第1図は本発明を適用したトラツクの左側面略
図、第2図は第1図の−矢視部分の平面略
図、第3図、第4図は第2図中の−、−
断面拡大図、第5図は第1図の一部を拡大して示
す縦断面図、第6図は別の実施例を示すための第
5図に対応する図面、第7図は更に別の実施例を
示すための左側面略図、第8図は第7図の−
断面拡大図である。1……前輪、2……後輪、3
……前フレーム、5……ヒンジ、6……後フレー
ム、12……縦根太、14……荷台、16……支
脚、17……支軸(アーム機構の一部)、18…
…アーム(アーム機構の一部)、20……ローラ
(アーム機構の一部)、21……根太ストツパー、
22……アームストツパー(アーム機構の一部)、
23……アームストツパー(アーム機構の一部)、
26……地面、27……引張ばね(アーム機構の
ばね部材の一例)、28……油圧シリンダ。
Fig. 1 is a schematic left side view of a truck to which the present invention is applied, Fig. 2 is a schematic plan view of the portion viewed from the - arrow in Fig. 1, and Figs. 3 and 4 are - and - in Fig. 2.
5 is an enlarged longitudinal sectional view of a part of FIG. 1, FIG. 6 is a drawing corresponding to FIG. 5 to show another embodiment, and FIG. 7 is a diagram showing still another embodiment. A schematic left side view for showing the embodiment, FIG. 8 is the same as that shown in FIG.
It is an enlarged cross-sectional view. 1...Front wheel, 2...Rear wheel, 3
... Front frame, 5 ... Hinge, 6 ... Rear frame, 12 ... Vertical joist, 14 ... Loading platform, 16 ... Support leg, 17 ... Support shaft (part of arm mechanism), 18 ...
... Arm (part of the arm mechanism), 20 ... Roller (part of the arm mechanism), 21 ... Joist stopper,
22...Arm stopper (part of the arm mechanism),
23...Arm stopper (part of the arm mechanism),
26...Ground, 27...Tension spring (an example of a spring member of the arm mechanism), 28...Hydraulic cylinder.
Claims (1)
ム3と、前フレーム3の後端部にヒンジ5を介し
て枢着される後フレーム6と、両フレーム3,6
の上部に配置される荷台14とを備え、上記荷台
14の下面は、前後に延びて上記後フレーム6に
前後に摺動自在に支持される縦根太12を一体的
に備え、上記後フレーム6は、荷台傾斜時に地面
26に着地する支脚16を備えた荷台摺動式トラ
ツクにおいて、上記後フレーム6と上記縦根太1
2とを前後に伸縮自在の油圧シリンダ28で連結
し、上記油圧シリンダ28により上記荷台14が
後方へ摺動する量を規制する根太ストツパー21
を上記縦根太12に設け、上記根太ストツパー2
1にリンクして上記荷台14を傾斜させるアーム
機構を設け、上記アーム機構は、両フレーム3に
軸支される車幅方向の支軸17と、支軸17を中
心に回動するアーム18と、アーム18の先端部
に支持されて上記根太ストツパー21と衝合する
ローラ20と、アーム18の回動量を規制するア
ームストツパー22,23とを備え、上記アーム
18は、荷台14を傾斜させる方向へ回動する際
にその回動力を抑制するばね部材27を備えたこ
とを特徴とする荷台摺動式トラツク。1 A front frame 3 supported by a front wheel 1 and a rear wheel 2, a rear frame 6 pivotally attached to the rear end of the front frame 3 via a hinge 5, and both frames 3, 6.
The lower surface of the loading platform 14 is integrally provided with a vertical joist 12 that extends back and forth and is supported by the rear frame 6 so as to be slidable back and forth. 1 is a sliding platform truck equipped with supporting legs 16 that land on the ground 26 when the platform is tilted, the rear frame 6 and the vertical joist 1
2 are connected to each other by a hydraulic cylinder 28 that is extendable back and forth, and the joist stopper 21 regulates the amount by which the loading platform 14 slides rearward by the hydraulic cylinder 28.
is provided on the vertical joist 12, and the joist stopper 2
1 is provided to tilt the loading platform 14, and the arm mechanism includes a support shaft 17 in the vehicle width direction that is pivotally supported by both frames 3, and an arm 18 that rotates around the support shaft 17. , a roller 20 supported by the tip of the arm 18 and abutting against the joist stopper 21, and arm stops 22 and 23 for regulating the amount of rotation of the arm 18, and the arm 18 tilts the loading platform 14. A sliding loading truck characterized by comprising a spring member 27 that suppresses the rotational force when rotating in the direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16122781A JPS5863531A (en) | 1981-10-09 | 1981-10-09 | Carrier sliding type truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16122781A JPS5863531A (en) | 1981-10-09 | 1981-10-09 | Carrier sliding type truck |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5863531A JPS5863531A (en) | 1983-04-15 |
JPH0143648B2 true JPH0143648B2 (en) | 1989-09-21 |
Family
ID=15731041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16122781A Granted JPS5863531A (en) | 1981-10-09 | 1981-10-09 | Carrier sliding type truck |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5863531A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6369049U (en) * | 1986-10-25 | 1988-05-10 | ||
JPS63101241U (en) * | 1986-12-23 | 1988-07-01 | ||
JPH02185839A (en) * | 1989-01-12 | 1990-07-20 | Owari Shatai Kogyo Kk | Vehicle loading car with backward tilting rear body |
US6461096B1 (en) * | 1993-08-16 | 2002-10-08 | Trail King Industries, Inc. | Tilt bed for loading and transporting a load |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5519710U (en) * | 1978-07-22 | 1980-02-07 |
-
1981
- 1981-10-09 JP JP16122781A patent/JPS5863531A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5519710U (en) * | 1978-07-22 | 1980-02-07 |
Also Published As
Publication number | Publication date |
---|---|
JPS5863531A (en) | 1983-04-15 |
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