JPH08207646A - Automatic footboard in heavy machine carrying truck - Google Patents
Automatic footboard in heavy machine carrying truckInfo
- Publication number
- JPH08207646A JPH08207646A JP4258796A JP25879692A JPH08207646A JP H08207646 A JPH08207646 A JP H08207646A JP 4258796 A JP4258796 A JP 4258796A JP 25879692 A JP25879692 A JP 25879692A JP H08207646 A JPH08207646 A JP H08207646A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- walk
- pin hole
- fan
- board
- 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.)
- Granted
Links
Landscapes
- Vehicle Step Arrangements And Article Storage (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ユンボ、建設機械、
ショベルカー、ブルドーザー、等の重機回送車における
自動歩みの改良に関する。BACKGROUND OF THE INVENTION The present invention relates to Yumbo, construction machinery,
The present invention relates to improvement of automatic walking in heavy equipment forwarding vehicles such as shovel cars and bulldozers.
【０００２】[0002]
【従来の技術】重量物運搬車の歩み装置として、歩み板
の非使用時には縦長の歩み板の全長を起立状態で走行す
るもの、歩み板の非使用時には縦長の歩み板を荷台の下
部に格納するものはある。2. Description of the Related Art As a walking device for a heavy goods carrier, a walking device that travels upright along the entire length of a walking plate when not in use, and a walking plate that is not in use when stored in the lower part of the platform There is something to do.
【０００３】[0003]
【発明が解決しようとする課題】従来の重量物運搬車の
歩み装置として、歩み板の非使用時には縦長の歩み板の
全長を起立状態で走行するものでは、長尺物を積載する
時の邪魔になると共に、歩み板の高さによる注意及び後
方視界が一定範囲で隠されることから注意力が散漫にな
りやすく、これが事故を誘発することがあった。又歩み
板の非使用時には縦長の歩み板を荷台の下部に格納する
ものでは、格納された歩み板を一定の幅で引出す作業及
び一旦引き出された歩み板を格納する作業に時間を要
し、更には荷台後方が開放されて場合には荷こぼれする
等の欠点があった。更には、従来の歩み板の幅が構造上
の理由から比較的狭くせざるを得ないため、積み上げる
重量物の種類に応じた幅に歩み板を水平方向に移動する
必要がある等の欠点があった。この発明は、従来の有す
るこのような問題点に鑑みてなされたもので、その目的
とするところは、比較的広幅の歩み板の架橋がワンタッ
チで行うことが出来ると共に歩み板の水平方向の移動を
不用とし、テールゲートを全体として低く出来ることに
よって視界を良好となし得る他、荷こぼれを完全に防止
することの出来る重機回送車における自動歩みを提供し
ようとするものである。As a conventional walking apparatus for heavy goods vehicles, when the walking board is not in use, the walking apparatus travels upright along the entire length of the vertically long walking board, which obstructs the loading of long objects. At the same time, the attention and rear view due to the height of the step board are hidden in a certain range, so that attention is likely to be distracted, which may cause an accident. Further, when the walk board is not used, in the case where the vertically long walk board is stored in the lower part of the loading platform, it takes time to work out the stored walk board with a constant width and to store the once-drawn walk board, Further, there is a drawback that the load may be spilled when the rear of the loading platform is opened. Furthermore, since the width of the conventional step board has to be relatively narrow for structural reasons, it is necessary to move the step board horizontally in a width corresponding to the type of heavy object to be stacked. there were. The present invention has been made in view of the above problems of the related art, and an object thereof is to make it possible to bridge a relatively wide walk board with one touch and to move the walk board in a horizontal direction. The present invention aims to provide an automatic step in a heavy-duty forward vehicle capable of completely preventing spillage, in addition to making the tailgate low and making the tailgate low as a whole good visibility.
【０００４】[0004]
【問題点を解決するための手段】上記の目的を達成する
ために、油圧シリンダーロッドの伸縮によって煽板が起
伏自在とされ、前記煽板の上端部において歩み板を枢着
し、この歩み板の側板の上部にサポート用揺動筒を装着
する一方、自動車の後部において回動自在に軸支された
サポート用ロッドを前記サポート用揺動筒に摺動可能に
設けると共に前記サポート用揺動筒の所定位置にピン孔
を設けて該ピン孔にピンを着脱自在に嵌挿し、前記油圧
シリンダーロッドの伸縮操作をすることにより、前記煽
板と歩み板とを折り畳み又は伸長し得るようにした。ま
た、油圧シリンダーロッドの伸縮によって煽板が起伏自
在とされ、前記煽板の上端部において歩み板を枢着し、
この歩み板の側板の上部にサポート用揺動筒を装着する
一方、自動車の後部において回動自在に軸支されたサポ
ート用ロッドを前記サポート用揺動筒に摺動可能に設け
ると共に前記サポート用揺動筒の所定位置にピン孔を設
けて該ピン孔にピンを着脱自在に嵌挿し、前記油圧シリ
ンダーロッドの伸縮操作をすることにより、前記煽板と
歩み板とを折り畳み又は伸長し得るようにし、更に前記
煽板の一定位置にピン孔を有する突出板を突出させると
共に、煽板と歩み板とが重合状態において前記煽板の突
出板位置に対応する歩み板位置に設けられた透孔を設
け、該煽板と歩み板とが重合状態において突出板が透孔
を透通せられ、該状態においてピン孔にピン止めするよ
うにした。更に、煽板と歩み板とが左右一対の広幅とし
て、起立状態にあって中央部に所定間隔の凹陥部が形成
されるようにしてある。更に又、煽板と歩み板とが荷台
の全幅とほぼ等しく形成し、油圧シリンダーロッドの伸
縮によって煽板が起伏自在とされ、前記煽板の上端部に
おいて歩み板を枢着し、この歩み板の側板の上部にサポ
ート用揺動筒を装着する一方、自動車の後部において回
動自在に軸支されたサポート用ロッドを前記サポート用
揺動筒に摺動可能に設けると共に前記サポート用揺動筒
の所定位置にピン孔を設けて該ピン孔にピンを着脱自在
に嵌挿し、前記煽板及び歩み板にそれぞれ縦列所定間隔
毎に通孔を形成して後方視界を良好に保持することが出
来るものである。In order to achieve the above object, a hydraulic plate is expanded and contracted so that a fan plate can be raised and lowered, and a walk plate is pivotally attached to an upper end of the fan plate. The supporting rocking cylinder is mounted on the upper portion of the side plate of the vehicle, while a supporting rod pivotally supported in the rear part of the vehicle is slidably provided on the supporting rocking cylinder and the supporting rocking cylinder is mounted. A pin hole is provided at a predetermined position, the pin is removably inserted into the pin hole, and the hydraulic cylinder rod is expanded and contracted so that the fan plate and the walk plate can be folded or extended. In addition, the flexure plate can be raised and lowered by expansion and contraction of the hydraulic cylinder rod, and the walk plate is pivotally attached to the upper end portion of the flexure plate,
A supporting rocking cylinder is mounted on the side plate of the step board, while a supporting rod rotatably supported in the rear part of the vehicle is slidably mounted on the supporting rocking cylinder. A pin hole is provided at a predetermined position of the rocking cylinder, a pin is detachably inserted into the pin hole, and the hydraulic cylinder rod is extended / contracted so that the fan plate and the walk plate can be folded or extended. And further projecting a projecting plate having a pin hole at a fixed position of the fan plate, and a through hole provided at a step plate position corresponding to the projecting plate position of the fan plate in a state where the fan plate and the walk plate overlap. The projecting plate is allowed to pass through the through hole in the superposed state of the baffle plate and the walk plate, and is pinned to the pin hole in this state. Further, the fan plate and the walk plate have a pair of left and right wide widths so that a recessed portion is formed at a predetermined interval in the central portion in the standing state. Furthermore, the baffle plate and the step plate are formed to have almost the same width as the loading platform, and the baffle plate can be freely undulated by the expansion and contraction of the hydraulic cylinder rod, and the step plate is pivotally attached at the upper end of the baffle plate. The supporting rocking cylinder is mounted on the upper portion of the side plate of the vehicle, while a supporting rod pivotally supported in the rear part of the vehicle is slidably provided on the supporting rocking cylinder and the supporting rocking cylinder is mounted. A pin hole is provided at a predetermined position of the pin, and the pin is detachably inserted into the pin hole, and through holes are formed at predetermined intervals in the vertical direction in the fan plate and the walk plate, respectively, and a good rear view can be maintained. It is a thing.
【０００５】[0005]
【作用】サポート用揺動筒の所定位置にピン孔にピンを
嵌挿し、油圧シリンダーを牽引し、煽板を後倒させるこ
とによって自動的に煽板と歩み板とからなる自動歩みを
荷台面とほぼ水平方向に伸長させることができると共
に、逆に前記サポート用揺動筒の所定位置にピン孔に嵌
挿されたピン取外し油圧シリンダーのピストンロッドを
圧縮させることによって、自動的に煽板と歩み板とから
なる自動歩み自動車の後部において起立状態に固定でき
る。また、煽板と歩み板とが重合状態でピン止めするこ
とによって歩み板が下部に重合状態となった煽板を荷台
面と水平に保持することが出来る。[Operation] By inserting the pin into the pin hole at the predetermined position of the support swing cylinder, pulling the hydraulic cylinder, and tilting the fan plate backward, an automatic step composed of the fan plate and the walk plate is automatically performed. And can be extended almost horizontally, and conversely, by automatically compressing the piston rod of the pin removal hydraulic cylinder fitted in the pin hole at the predetermined position of the support swing cylinder, It can be fixed in an upright state at the rear part of an automatic walking vehicle including a step board. Further, by pinning the step board and the step board in a superposed state, it is possible to hold the step board in the superposed state below the step board horizontally with the bed surface.
【０００６】[0006]
【実施例】実施例について図面を参照して説明する。図
１〜図８において、重機回送車の荷台１後部の煽板２は
油圧シリンダーロッド３の牽引によってレバー１７が後
方に回動しすることによって、荷台面に対して直立状態
から水平状態となるように起伏自在に設けられる。この
煽板２は下部において軸支１５してあり、更にその上方
中央部が凹陥部７を設けてある。この煽板２の上端部に
おいて左右別体の歩み板４、４の上端部をヒンジ８にて
枢着してある。歩み板４の側板の上部にサポート用揺動
筒５を装着する一方、重機回送車の後部下方において回
動自在に軸支されたサポート用ロッド６を前記サポート
用揺動筒５内に摺動可能に設けてある。サポート用揺動
筒５の所定位置にはピン孔１４が穿設され、該ピン孔１
４には適宜にリンクの長さを調整するためロッド衝止用
のピン１６を嵌挿し得るようにしてある。前記油圧シリ
ンダーロッド３を牽引すると煽板２は起立状態から水平
状態へ移行すると同時に煽板２の上端でヒンジ８等にて
枢着された歩み板４もサポート用揺動筒５とサポート用
ロッド６に案内保持されながらその下部を開口しすると
サポート用ロッド６はサポート用揺動筒５内部を前進す
る。適当なところで前記サポート用揺動筒５のピン孔１
４にピン１６を嵌挿すると、サポート用ロッド６の前端
部がピン１６に接突し、サポート用揺動筒５及びサポー
ト用ロッド６とが一本の剛性支持体となる。サポート用
ロッド６の前端部がピン１６に接突した状態で更に煽板
２を後倒すれば遂には煽板２の上面と歩み板４の上面は
荷台面と面一となる。この状態においてサポート用揺動
筒５とサポート用ロッド６とからなる剛性支持体と水平
の煽板２の上面と歩み板４とで形成される三角形は完全
な拘束状態でロックされることになる。煽板２の上面と
歩み板４の上面は荷台面と水平になった状態で、重機回
送車を後方傾斜させ歩み板４の端部が地面ａに接地する
ことにより歩みとして利用可能になる。なお、煽板２の
上面と歩み板４の上面には滑り止め凸部９を所定間隔毎
に形成してある。EXAMPLES Examples will be described with reference to the drawings. In FIGS. 1 to 8, the rail 2 at the rear of the loading platform 1 of the heavy-duty vehicle is moved from the upright state to the horizontal state with respect to the loading platform surface by the lever 17 being rotated rearward by the pulling of the hydraulic cylinder rod 3. It is installed up and down freely. The fan plate 2 has a shaft 15 supported at the lower portion thereof, and further has a recessed portion 7 in the upper center portion thereof. At the upper end of the fan board 2, the upper ends of the left and right walk boards 4, 4 are pivotally attached by a hinge 8. The supporting swing cylinder 5 is mounted on the upper part of the side plate of the step board 4, while the supporting rod 6 pivotally supported on the lower part of the rear portion of the heavy machine feeding vehicle slides in the supporting swing cylinder 5. It is possible. A pin hole 14 is formed at a predetermined position of the support swing cylinder 5, and the pin hole 1
4, a rod stopper pin 16 can be fitted and inserted in order to appropriately adjust the length of the link. When the hydraulic cylinder rod 3 is pulled, the fan plate 2 shifts from the standing state to the horizontal state, and at the same time, the walking plate 4 pivotally attached by the hinge 8 or the like at the upper end of the fan plate 2 also supports the swing cylinder 5 and the support rod. When the lower part of the support rod 6 is opened while being guided and held by the support rod 6, the support rod 6 advances in the support swing cylinder 5. The pin hole 1 of the support swing cylinder 5 at an appropriate position
When the pin 16 is inserted into the pin 4, the front end portion of the support rod 6 abuts on the pin 16, and the support swing cylinder 5 and the support rod 6 form one rigid support. When the front end of the support rod 6 abuts on the pin 16, the tilting plate 2 is further tilted backward, and the upper surface of the heating plate 2 and the upper surface of the step plate 4 are finally flush with the bed surface. In this state, the triangle formed by the rigid support body including the support swing cylinder 5 and the support rod 6, the upper surface of the horizontal baffle plate 2 and the step plate 4 is locked in a completely restrained state. . In a state where the upper surface of the baffle plate 2 and the upper surface of the step board 4 are horizontal with the bed surface, the heavy equipment forward vehicle is tilted rearward and the end of the step board 4 comes into contact with the ground a so that it can be used as a step. In addition, anti-slip projections 9 are formed at predetermined intervals on the upper surface of the baffle plate 2 and the upper surface of the walk plate 4.
【０００７】更に、前記煽板２の背部一定位置にピン孔
１０を有する突出片１１を突出させると共に、煽板２と
歩み板４とが重合状態において前記煽板２の突出片１１
に対応する歩み板位置に設けられた透孔１２を設けてあ
る。従って、直立状態にある煽板２と歩み板４とが重合
状態において突出板１１が透孔１２を透通せられ、該状
態においてピン孔１０に連結ピン１３を挿通すれば煽板
２と歩み板４とは一体化する。直立状態にある煽板２に
対して前記のように油圧シリンダーロッド３を牽引する
と煽板２は歩み板４と重合状態となったまま水平状態を
保持して荷台が後方に伸長して荷積面積が広くなる。こ
の場合、サポート用揺動筒５のピン孔１４よりピン１６
は外脱しておくことは当然である。Further, a projecting piece 11 having a pin hole 10 is projected at a constant position on the back side of the fan board 2, and the projecting piece 11 of the fan board 2 in a superposed state of the fan board 2 and the step board 4.
The through hole 12 is provided at the step board position corresponding to. Therefore, when the fan plate 2 and the walk plate 4 in the upright state are overlapped with each other, the projecting plate 11 is allowed to penetrate the through hole 12, and in this state, if the connecting pin 13 is inserted into the pin hole 10, the walk plate 2 and the walk plate 4 are inserted. Integrate with 4. When the hydraulic cylinder rod 3 is pulled with respect to the upright plate 2 as described above, the flat plate 2 remains horizontal with the step plate 4 and the horizontal state is maintained and the loading platform extends backward to load the load. The area becomes large. In this case, the pin 16 is inserted through the pin hole 14 of the support swing cylinder 5.
It is natural to get out.
【０００８】図９〜図１１に示すものでは、煽板２１及
び歩み板２２の幅は、ほぼ荷台２３の横幅とほぼ等しく
する一体構造に形成してある。この煽板２１は前記実施
例と同様に油圧シリンダーロッドの伸縮によって煽板２
１が直立状態から水平状態へ起伏自在である。前記煽板
の上端部において歩み板をヒンジ２４等にて枢着し、こ
の歩み板２２の両側板の上部にサポート用揺動筒２５を
装着する一方、自動車の後部において回動自在に軸支さ
れたサポート用ロッド２６を前記サポート用揺動筒２５
内に摺動可能に設けてある。前記煽板２１及び歩み板２
２は荷台２３幅とほぼ等しく形成してありしかも側板２
７より高く形成してあるので走行に際して後方視界が遮
られるのを改善するため、煽板２１及び歩み板２２の全
幅に縦列所定間隔毎に横孔２８を形成して後方視界を改
善してあるものである。煽板２１及び歩み板２２の外面
には滑り止め凸部を形成してある。なお、煽板２１及び
歩み板２２に穿設された横孔２８は、煽板２１と歩み板
２２とが重合状態にあるとき横孔２８、２８が透通する
ようにしてある。なお、２９はピン孔である。In FIGS. 9 to 11, the width of the fan plate 21 and the step plate 22 is formed as an integral structure which is substantially equal to the lateral width of the bed 23. As in the above-described embodiment, the fan plate 21 is formed by expanding and contracting the hydraulic cylinder rod.
1 is capable of hoisting from an upright state to a horizontal state. A step board is pivotally attached to the upper end of the fan board by a hinge 24 or the like, and support swing cylinders 25 are attached to the upper portions of both side plates of the step board 22, while a rotatably supported shaft is provided at the rear part of the vehicle. The supported support rod 26 is attached to the support swing cylinder 25.
It is slidable inside. The fan board 21 and the walk board 2
2 is formed to have almost the same width as the bed 23 and the side plate 2
Since it is formed higher than 7, the rear view is improved by forming horizontal holes 28 in the entire width of the fan plate 21 and the walk plate 22 at predetermined intervals in the longitudinal direction in order to improve the obstruction of the rear view during traveling. It is a thing. Anti-slip protrusions are formed on the outer surfaces of the baffle plate 21 and the walk plate 22. The lateral holes 28 formed in the baffle plate 21 and the walk plate 22 are formed so that the lateral holes 28, 28 are transparent when the baffle plate 21 and the walk plate 22 are in a superposed state. In addition, 29 is a pin hole.
【０００９】[0009]
【発明の効果】請求項１の重機回送車における自動歩み
においては、油圧シリンダーロッドの伸縮によって煽板
が起伏自在とされ、前記煽板の上端部において歩み板を
枢着し、この歩み板の側板の上部にサポート用揺動筒を
装着する一方、自動車の後部において回動自在に軸支さ
れたサポート用ロッドを前記サポート用揺動筒に摺動可
能に設けると共に前記サポート用揺動筒の所定位置にピ
ン孔を設けて該ピン孔にピンを着脱自在に嵌挿し、前記
油圧シリンダーロッドの伸縮操作をすることにより、前
記煽板と歩み板とを折り畳み又は伸長し得るようにして
あるので、油圧シリンダーロッドの操作及びピンの着脱
操作だけで、自動歩み架設、収納がワンタッチで出来
る。又、煽板及び歩み板は重機の積み降ろしに充分な幅
を有しているので従来のように積み降ろしする重機の幅
によって歩みのスライド作業を全く不用となる。重機を
積載しない時には常に煽板が直立状態になっているので
荷こぼれの心配もない。また、機構上簡単な構造である
から故障の確率を最小限とできるので非常に安全である
と共に大型車から小型車にいたるまで車種を問わず適用
することが出来る。しかも、煽板、歩み板の長さ、サポ
ート用揺動筒及びサポート用揺動筒のピン孔の位置及び
サポート用ロッドの長さを適宜に変更することによって
大型車から小型車に至るまで広範囲の車種に取り付け可
能である。しかも、煽板の上面と歩み板の上面は荷台面
と面一となった状態においては、サポート用揺動筒とサ
ポート用ロッドとからなる剛性支持体と水平の煽板の上
面と歩み板とで形成されるリンクは完全な拘束状態とな
るため荷重に対して強力に支持し得る。According to the present invention, in the automatic step in the heavy-duty vehicle, the hydraulic board is expanded and contracted so that the fan plate can be raised and lowered, and the foot plate is pivotally attached to the upper end of the fan plate. The supporting rocking cylinder is mounted on the upper portion of the side plate, while a supporting rod pivotally supported in the rear part of the vehicle is slidably provided on the supporting rocking cylinder and the supporting rocking cylinder is mounted on the supporting rocking cylinder. Since a pin hole is provided at a predetermined position, the pin is detachably inserted into the pin hole, and the hydraulic cylinder rod is expanded and contracted, the folding plate and the walk plate can be folded or extended. By simply operating the hydraulic cylinder rod and attaching / detaching pins, automatic stepping and storage can be done with one touch. Further, since the fan board and the step board have a width sufficient for loading and unloading the heavy equipment, the width of the heavy equipment for loading and unloading as in the conventional case makes the sliding work of steps completely unnecessary. When the heavy equipment is not loaded, the fanboard is always upright, so there is no need to worry about spills. Further, since the structure is simple, the probability of failure can be minimized, which is very safe and can be applied to any vehicle from large vehicles to small vehicles. Moreover, by appropriately changing the lengths of the supporting plate, the walking plate, the position of the support swing cylinder and the pin holes of the support swing cylinder, and the length of the support rod, a wide range of vehicles from large vehicles to small vehicles can be obtained. It can be attached to the car model. In addition, when the upper surface of the baffle plate and the upper surface of the walk plate are flush with the bed surface, a rigid support composed of the support swing cylinder and the support rod, and the upper surface of the horizontal baffle plate and the walk plate are Since the link formed by is completely restrained, it can strongly support the load.
【００１０】請求項２の重機回送車における自動歩みに
おいては、油圧シリンダーロッドの伸縮によって煽板が
起伏自在とされ、前記煽板の上端部において歩み板を枢
着し、この歩み板の側板の上部にサポート用揺動筒を装
着する一方、自動車の後部において回動自在に軸支され
たサポート用ロッドを前記サポート用揺動筒に摺動可能
に設けると共に前記サポート用揺動筒の所定位置にピン
孔を設けて該ピン孔にピンを着脱自在に嵌挿し、前記油
圧シリンダーサポート用ロッドの伸縮操作をすることに
より、前記煽板と歩み板とを折り畳み又は伸長し得るよ
うにし、更に前記煽板の一定位置にピン孔を有する突出
板を突出させると共に、煽板と歩み板とが重合状態にお
いて前記煽板の突出板位置に対応する歩み板位置に設け
られた透孔を設け、該煽板と歩み板とが重合状態におい
て突出板が透孔を透通せられ、該状態においてピン孔に
ピン止めするようにしてあるので、一体化した煽板と歩
み板とを水平状態とすれば荷台面積を広くすることがで
きる。特に長物材料を積載するのに効果的である。In the automatic step of the heavy-duty vehicle according to the second aspect of the present invention, the hydraulic plate is expanded and contracted so that the fan plate can be raised and lowered. While the support swing cylinder is mounted on the upper portion, a support rod pivotally supported in the rear part of the automobile is slidably provided on the support swing cylinder and a predetermined position of the support swing cylinder is provided. A pin hole is provided in the pin, the pin is detachably inserted into the pin hole, and the expansion and contraction operation of the hydraulic cylinder support rod is performed so that the fan plate and the walk plate can be folded or extended, and further, A projecting plate having a pin hole is projected at a fixed position of the fan plate, and a through hole provided at a step plate position corresponding to the projecting plate position of the fan plate in a superposed state of the fan plate and the walk plate is provided. When the baffle plate and the walk plate are in a superposed state, the projecting plate is made to pass through the through hole and is pinned to the pin hole in this state, so that the integrated baffle plate and walk plate can be moved horizontally. For example, the cargo bed area can be increased. It is especially effective for loading long materials.
【００１１】請求項３の重機回送車における自動歩みに
おいては、煽板と歩み板の中央部に所定間隔の凹陥部が
形成されるようにした場合には、ショベルカーのショベ
ル部分のように突出部を該凹陥部より突出させて保持で
きるので荷台の有効面積を効果的に使用することのでき
る効果がある。In the automatic step of the heavy-duty vehicle according to the third aspect of the present invention, when recesses are formed at predetermined intervals in the central portions of the baffle plate and the step plate, they project like a shovel portion of a shovel car. Since the portion can be projected and held from the concave portion, there is an effect that the effective area of the loading platform can be effectively used.
【００１２】請求項４の重機回送車における自動歩みに
おいては、煽板と歩み板とが荷台の全幅とほぼ等しく形
成し、油圧シリンダーロッドの伸縮によって煽板が起伏
自在とされ、前記煽板の上端部において歩み板を枢着
し、この歩み板の側板の上部にサポート用揺動筒を装着
する一方、自動車の後部において回動自在に軸支された
サポート用ロッドを前記サポート用揺動筒に摺動可能に
設け、前記煽板及び歩み板にそれぞれ縦列所定間隔毎に
通孔を形成したものでは、歩みの全幅を使用することが
できるから、構内作業において長尺物の積み降ろしが極
めて容易となる効果がある。更に、煽板及び歩み板にそ
れぞれ縦列所定間隔毎に通孔を形成してあるから走行中
でも後方視界が良好となり運転し易い。In the automatic step of the heavy-duty forward vehicle according to the fourth aspect of the present invention, the baffle plate and the step plate are formed so as to have a width substantially equal to the entire width of the luggage carrier, and the baffle plate is made up and down by the expansion and contraction of the hydraulic cylinder rod. A walk board is pivotally attached at the upper end, and a support swing cylinder is attached to the upper side plate of the walk board, while a support rod pivotally supported at the rear of the automobile is attached to the support swing cylinder. The slidable plate and the step board with through holes formed at predetermined intervals in the column can use the entire width of the step, so long-term loading and unloading of long objects is extremely possible in the yard work. There is an effect that becomes easy. Further, since the through plate and the walk plate are formed with the through holes at predetermined intervals in the vertical direction, respectively, the rear visibility is good even during traveling, and the driving is easy.
【図１】自動歩みを接地させた状態の斜視図FIG. 1 is a perspective view of a state where an automatic walk is grounded.
【図２】後方要部拡大斜視図FIG. 2 is an enlarged perspective view of a rear main part.
【図３】煽板を起立状態として示した側面図FIG. 3 is a side view showing the fan plate in a standing state.
【図４】煽板と歩み板とを重合状態として示した側面図FIG. 4 is a side view showing the fan board and the walk board in a superposed state.
【図５】煽板と歩み板とを後倒過程を示す側面図FIG. 5 is a side view showing a backward tilting process of the fan board and the walk board.
【図６】煽板と歩み板と荷台と面一状態とし状態で示し
た側面図FIG. 6 is a side view showing a state in which the baffle plate, the walking plate, and the platform are flush with each other.
【図７】サポート用揺動筒のピン孔に支持ピンを挿通し
た状態を示す拡大断面図FIG. 7 is an enlarged cross-sectional view showing a state in which a support pin is inserted into a pin hole of a support swing cylinder.
【図８】煽板と歩み板とを連結した状態を示す一部拡大
図FIG. 8 is a partially enlarged view showing a state in which the fan board and the walking board are connected to each other.
【図９】煽板と歩み板とを荷台の全幅として示した背面
図FIG. 9 is a rear view showing the loading plate and the walking plate as the entire width of the loading platform.
【図１０】煽板と歩み板とを起立状態で示した一部側面
図FIG. 10 is a partial side view showing a fan board and a walking board in an upright state.
【図１１】煽板と歩み板との通孔を一致させだ状態を示
す一部拡大図FIG. 11 is a partially enlarged view showing a state in which the through holes of the fan plate and the walk plate are aligned.
１．．荷台 ２．．煽板 ３．．油圧シリンダー用ロッド ４．．歩み板 ５．．サポート用揺動筒 ６．．サポート用ロッド ７．．凹陥部 ８．．ヒンジ ９．．滑り止め凸部 １０．ピン孔 １１．突出片 １２．透孔 １３．連結ピン １４．ピン孔 １５．軸支 １６．ピン １７．レバー ２１．煽板 ２２．歩み板 ２３．荷台 ２４．ヒンジ ２５．サポート用揺動筒 ２６．サポート用ロッド ２７．側板 ２８．横孔 ２９． ピン孔 1. ． Loading platform 2. ． Fan board 3. ． Hydraulic cylinder rod 4. ． Step board 5. ． Swing cylinder for support 6. ． Support rod 7. ． Recessed portion 8. ． Hinge 9. ． Non-slip convex portion 10. Pin hole 11. Protruding piece 12. Through hole 13. Connecting pin 14. Pin hole 15. Shaft support 16. Pin 17. Lever 21. Fan 22. Step board 23. Loading platform 24. Hinge 25. Oscillating cylinder for support 26. Support rod 27. Side plate 28. Side hole 29. Pin hole
Claims (4)
が起伏自在とされ、前記煽板の上端部において歩み板を
枢着し、この歩み板の側板の上部にサポート用揺動筒を
装着する一方、自動車の後部において回動自在に軸支さ
れたサポート用ロッドを前記サポート用揺動筒に摺動可
能に設けると共に前記サポート用揺動筒の所定位置にピ
ン孔を設けて該ピン孔にピンを着脱自在に嵌挿し、前記
油圧シリンダーロッドの伸縮操作をすることにより、前
記煽板と歩み板とを折り畳み又は伸長し得るようにした
ことを特徴とする重機回送車における自動歩み。Claims: 1. A hydraulic cylinder rod expands and contracts so that a fan plate can be raised and lowered, a walk plate is pivotally attached to an upper end of the fan plate, and a support swing cylinder is attached to an upper portion of a side plate of the walk plate. A support rod rotatably supported in the rear part of the vehicle is slidably provided in the support swing cylinder, and a pin hole is provided at a predetermined position of the support swing cylinder to provide a pin in the pin hole. An automatic step in a heavy-duty forward vehicle, characterized in that the flexible plate and the step plate can be folded or extended by detachably inserting and inserting the hydraulic cylinder rod.
が起伏自在とされ、前記煽板の上端部において歩み板を
枢着し、この歩み板の側板の上部にサポート用揺動筒を
装着する一方、自動車の後部において回動自在に軸支さ
れたサポート用ロッドを前記サポート用揺動筒に摺動可
能に設けると共に前記サポート用揺動筒の所定位置にピ
ン孔を設けて該ピン孔にピンを着脱自在に嵌挿し、前記
油圧シリンダー用ロッドの伸縮操作をすることにより、
前記煽板と歩み板とを折り畳み又は伸長し得るように
し、更に前記煽板の一定位置にピン孔を有する突出板を
突出させると共に、煽板と歩み板とが重合状態において
前記煽板の突出板位置に対応する歩み板位置に設けられ
た透孔を設け、該煽板と歩み板とが重合状態において突
出板が透孔を透通せられ、該状態においてピン孔にピン
止めするようにしたことを特徴とする重機回送車におけ
る自動歩み。2. A hydraulic plate is expanded and contracted so that a fan plate can be raised and lowered, a walk plate is pivotally attached to an upper end portion of the fan plate, and a supporting rocking cylinder is attached to an upper portion of a side plate of the walk plate. A support rod rotatably supported in the rear part of the vehicle is slidably provided in the support swing cylinder, and a pin hole is provided at a predetermined position of the support swing cylinder to provide a pin in the pin hole. By detachably inserting, and by expanding and contracting the rod for the hydraulic cylinder,
It is possible to fold or extend the baffle plate and the walk plate, and further to project a protruding plate having a pin hole at a fixed position of the baffle plate, and to project the baffle plate in a superposed state of the baffle plate and the walk plate. A through hole provided at a step plate position corresponding to the plate position is provided, and the projecting plate is made to penetrate the through hole when the fan plate and the step plate are in a superposed state, and pinned to the pin hole in this state. Automatic steps in heavy equipment forwarding vehicles characterized by the following.
起立状態にあって中央部に所定間隔の凹陥部が形成され
るようにした前記請求項１の重機回送車における自動歩
み。3. A flexible board and a walking board are a pair of left and right wide widths,
2. The automatic walk in the heavy machine forward vehicle according to claim 1, wherein recesses are formed at a predetermined interval in a central portion in a standing state.
形成し、油圧シリンダーロッドの伸縮によって煽板が起
伏自在とされ、前記煽板の上端部において歩み板を枢着
し、この歩み板の側板の上部にサポート用揺動筒を装着
する一方、自動車の後部両端部において回動自在に軸支
されたサポート用ロッドを前記サポート用揺動筒に摺動
可能に設けると共に前記サポート用揺動筒の所定位置に
ピン孔を設けて該ピン孔にピンを着脱自在に嵌挿し、前
記煽板及び歩み板にそれぞれ縦列所定間隔毎に通孔を形
成してなることを特徴とする重機回送車における自動歩
み。4. The step board and the step board are formed to have a width substantially equal to the entire width of the bed, and the step plate is made to be up and down freely by the expansion and contraction of the hydraulic cylinder rod. The supporting rocking cylinder is mounted on the upper part of the side plate of the step board, while the supporting rod pivotally supported at both ends of the rear part of the vehicle is slidably provided on the supporting rocking cylinder. A pin hole is provided at a predetermined position of the swing cylinder for use, and a pin is detachably inserted into the pin hole, and through holes are formed in the fan plate and the walk plate at predetermined vertical intervals. Automatic steps in heavy equipment forwarding vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4258796A JP2743136B2 (en) | 1992-08-12 | 1992-08-12 | Automatic steps in heavy equipment transport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4258796A JP2743136B2 (en) | 1992-08-12 | 1992-08-12 | Automatic steps in heavy equipment transport |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08207646A true JPH08207646A (en) | 1996-08-13 |
| JP2743136B2 JP2743136B2 (en) | 1998-04-22 |
Family
ID=17325190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4258796A Expired - Lifetime JP2743136B2 (en) | 1992-08-12 | 1992-08-12 | Automatic steps in heavy equipment transport |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2743136B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007055604A (en) * | 2006-11-24 | 2007-03-08 | Aisin Keikinzoku Co Ltd | Slope device for vehicle |
| KR100918368B1 (en) * | 2009-01-19 | 2009-09-22 | 방성출 | Crane self loader truck |
| JP2020050257A (en) * | 2018-09-28 | 2020-04-02 | 株式会社神戸製鋼所 | Vehicle traveling state determination device |
| CN110962721A (en) * | 2019-10-28 | 2020-04-07 | 陈梅花 | Transport vechicle handling equipment of highway maintenance usefulness |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017510A (en) * | 2018-07-17 | 2018-12-18 | 刘仲华 | A kind of hydraulic climbing ladder spreading mechanism |
| RU209819U1 (en) * | 2021-06-09 | 2022-03-23 | Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" | Board of increased area for loading and unloading operations on road transport for the transport of potentially dangerous goods |
-
1992
- 1992-08-12 JP JP4258796A patent/JP2743136B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007055604A (en) * | 2006-11-24 | 2007-03-08 | Aisin Keikinzoku Co Ltd | Slope device for vehicle |
| JP4671197B2 (en) * | 2006-11-24 | 2011-04-13 | アイシン軽金属株式会社 | Wheelchair slope device |
| KR100918368B1 (en) * | 2009-01-19 | 2009-09-22 | 방성출 | Crane self loader truck |
| JP2020050257A (en) * | 2018-09-28 | 2020-04-02 | 株式会社神戸製鋼所 | Vehicle traveling state determination device |
| CN110962721A (en) * | 2019-10-28 | 2020-04-07 | 陈梅花 | Transport vechicle handling equipment of highway maintenance usefulness |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2743136B2 (en) | 1998-04-22 |
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