JP3110174U - Load receiving device fall prevention device in retractable load receiving device lifting device - Google Patents

Load receiving device fall prevention device in retractable load receiving device lifting device Download PDF

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JP3110174U
JP3110174U JP2005000451U JP2005000451U JP3110174U JP 3110174 U JP3110174 U JP 3110174U JP 2005000451 U JP2005000451 U JP 2005000451U JP 2005000451 U JP2005000451 U JP 2005000451U JP 3110174 U JP3110174 U JP 3110174U
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load receiving
loading platform
retractable
vehicle frame
lifting
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辻濱　康雄
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Shinmaywa Industries Ltd
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Abstract

【課題】係止ピンを係止孔に挿入係止する簡単な構造であるとともに、格納位置で挿入係止されるので装置を格納位置や作動位置に移動させる際には移動の支障にならず円滑に移動させることができる格納式荷受台昇降装置における荷受台落下防止装置を提供する。
【解決手段】荷台１が搭載された車枠１１に荷受台５が昇降自在に設けられるとともに、荷受台５が少なくとも２枚の分割部材５１、５２に分割されて折畳み自在に構成され、荷台１下方の格納位置と荷台１から外方に突出配置されて昇降動作を行う作業位置との間でスライド自在になされた格納式荷受台昇降装置２において、車枠１１及び車枠１１に取付けられる部材などの固定側と、この固定側に対してスライドする荷受台５などの移動側とには、荷受台５が格納位置に配置された際に挿入係止する係止ピン７と係止孔８のいずれか一方が設けられている。係止ピン７の先端７ａが先細のテーパ形状に形成されている。【選択図】 図２
The present invention has a simple structure in which a locking pin is inserted and locked into a locking hole, and is inserted and locked in a retracted position, so that the movement is not hindered when the device is moved to a retracted position or an operating position. Provided is a load receiving stand fall prevention device in a retractable load receiving stand lifting device which can be moved smoothly.
A load receiving platform 5 is provided in a vehicle frame 11 on which a loading platform 1 is mounted so as to be movable up and down, and the loading platform 5 is divided into at least two divided members 51 and 52 so as to be foldable. In the retractable load receiving device elevating device 2 that is slidable between the storage position of the vehicle and the work position that protrudes outward from the loading platform 1 and performs the lifting operation, the vehicle frame 11 and the members attached to the vehicle frame 11 are fixed. Either the locking pin 7 or the locking hole 8 that is inserted and locked when the load receiving platform 5 is disposed at the retracted position, on the moving side such as the load receiving stand 5 that slides relative to the fixed side. One is provided. A tip 7a of the locking pin 7 is formed in a tapered shape. [Selection] Figure 2

Description

本考案は、格納式荷受台昇降装置において格納位置に配置された荷受台の落下を防止する荷受台落下防止装置に関するものである。   The present invention relates to a load receiving stand fall prevention device for preventing a load receiving stand arranged at a retracted position in a retractable load receiving stand lifting device.

従来、荷台が搭載された車枠に荷受台が昇降自在に設けられるとともに、荷受台が少なくとも２枚の分割部材に分割されて折畳み自在に構成され、荷台下方の格納位置と荷台から外方に突出配置されて昇降動作を行う作業位置との間でガイドレールに沿ってスライド自在になされた格納式荷受台昇降装置が提供されている。   Conventionally, a cradle is provided on a vehicle frame on which a pallet is mounted so that the cradle can be moved up and down, and the cradle is divided into at least two divided members so that it can be folded. 2. Description of the Related Art There is provided a retractable load receiving table elevating device that is slidable along a guide rail between a work position that is disposed and performs an elevating operation.

そして、このように構成された格納式荷受台昇降装置においては、特許第３３６１０６３号公報に見られるように格納位置に配置する際に荷受台に設けたコ字状のガイドが上記ガイドレールの下部に係合した状態で配置され、これによって格納時における荷受台の落下を防止するようにしていた。   In the retractable load receiving device lifting apparatus configured as described above, a U-shaped guide provided on the load receiving plate is disposed at the lower portion of the guide rail when the storage load receiving device is disposed at the storage position as seen in Japanese Patent No. 3361663. It is arranged in a state of being engaged with this, thereby preventing the load receiving table from falling during storage.

しかしながら、上記従来のようにガイドをガイドレールの下部に係合して荷受台の落下を防止するものでは、荷受台を格納位置と作業位置とに移動させる際に両者の取付位置のバラツキによってはガイドがガイドレールの下部を摺接しながら荷受台が格納位置に配置される場合があり、この摺接が荷受台の円滑な移動を阻害する要因になり、また、逆にガイドとガイドレールの下部との間に隙間がある場合には格納位置での荷受台のガタツキの要因になり、このため取付けを正確に行わなければならず手間がかかるという問題があった。   However, in the case where the guide is engaged with the lower part of the guide rail to prevent the load receiving table from dropping as in the conventional case, when the load receiving table is moved between the storage position and the working position, depending on the variation in the mounting positions of the both. The load receiving platform may be placed in the retracted position while the guide slides on the lower part of the guide rail. This sliding contact may hinder smooth movement of the load receiving platform, and conversely, the lower part of the guide and guide rail. If there is a gap between them, it becomes a cause of looseness of the load receiving table at the storage position, and there is a problem that it is necessary to perform the mounting accurately and takes time.

上記の目的を達成するため、請求項１に係る考案の格納式荷受台昇降装置における荷受台落下防止装置は、荷台が搭載された車枠に荷受台が昇降自在に設けられるとともに、荷受台が少なくとも２枚の分割部材に分割されて折畳み自在に構成され、荷台下方の格納位置と荷台から外方に突出配置されて昇降動作を行う作業位置との間でスライド自在になされた格納式荷受台昇降装置において、前記車枠及び当該車枠に取付けられる部材などの固定側と、この固定側に対してスライドする前記荷受台などの移動側とには、荷受台が格納位置に配置された際に挿入係止する係止ピンと係止孔のいずれか一方が設けられたものである。   In order to achieve the above-mentioned object, a load receiving stand fall prevention device in a retractable load receiving lift device according to claim 1 is provided such that the load receiving platform can be raised and lowered on a vehicle frame on which the load receiving platform is mounted, and the load receiving stand is at least Retractable load receiving lift that is divided into two split members and is foldable, and is slidable between a storage position below the loading platform and a work position that protrudes outward from the loading platform to perform the lifting operation In the device, an insertion member is provided between the fixed side of the vehicle frame and the members attached to the vehicle frame and the moving side of the load receiving table that slides relative to the fixed side when the load receiving table is disposed at the storage position. Either a locking pin to be stopped or a locking hole is provided.

請求項２に係る考案の格納式荷受台昇降装置における荷受台落下防止装置は、前記係止ピンの先端が先細のテーパ形状に形成されたものである。   According to a second aspect of the present invention, there is provided a load receiving table falling preventing device according to the retractable load receiving device lifting / lowering apparatus, wherein a tip of the locking pin is formed in a tapered shape.

本考案によれば、荷受台落下防止装置が係止ピンを係止孔に挿入係止する簡単な構造であるとともに、格納位置で挿入係止されるので装置を格納位置や作動位置に移動させる際には移動の支障にならず円滑に移動させることができる。また、先細に形成された係止ピンの先端が係止孔に挿入しながら位置合わせを行えるので、取付時におけるバラツキも吸収して適正位置に保持でき、取付けをも容易に行うことができる。   According to the present invention, the load receiving stand fall prevention device has a simple structure in which the locking pin is inserted and locked into the locking hole, and is inserted and locked at the retracted position, so that the device is moved to the retracted position or the operating position. In some cases, it can be moved smoothly without hindering movement. Further, since the tip of the locking pin formed in a tapered shape can be aligned while being inserted into the locking hole, it is possible to absorb variations during mounting and hold it in an appropriate position, and to perform mounting easily.

以下、本考案の実施の形態について図面を参照して説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図１は、格納式荷受台昇降装置の概略構成を示している。   FIG. 1 shows a schematic configuration of a retractable cargo receiving table lifting device.

図１において、１は車輌の車枠１１上に搭載された荷台で、この荷台１の後端下方に格納式荷受台昇降装置２が設けられている。   In FIG. 1, reference numeral 1 denotes a loading platform mounted on a vehicle frame 11, and a retractable loading platform elevating device 2 is provided below the rear end of the loading platform 1.

格納式荷受台昇降装置２は、車枠１１に設けられた取付部材３と、この取付部材３にリンク機構４を介して設けられた荷受台５とを備えている。   The retractable load receiving table lifting / lowering device 2 includes an attachment member 3 provided on the vehicle frame 11 and a load receiving stand 5 provided on the attachment member 3 via a link mechanism 4.

取付部材３は、前記車枠１１の後端部に前後方向に配設された外向きコ字状のスライドレール１２に沿って前後方向にスライド自在に設けられている。具体的には、取付部材３の上方に設けられた前後のローラ３１、３１が上記スライドレール１２内で転動自在に配設されており、取付部材３を手動もしくは適宜な移動手段によりスライドレール１２に沿ってスライドさせることで、格納式荷受台昇降装置２全体を荷台１の床面下方において前後に移動可能に構成している。   The mounting member 3 is slidable in the front-rear direction along an outward U-shaped slide rail 12 disposed in the front-rear direction at the rear end of the vehicle frame 11. Specifically, the front and rear rollers 31, 31 provided above the mounting member 3 are disposed so as to be able to roll within the slide rail 12, and the mounting member 3 can be moved manually or by an appropriate moving means. 12, the entire retractable load receiving device lifting device 2 is configured to be movable back and forth below the floor surface of the load carrier 1.

上記移動手段の一例としては、図２に示すようにスライドレール１２の下部にチェーン１３がこのスライドレール１２に沿って前後に張設されるとともに、取付部材３に上記チェーン１３に下方から噛合するスプロケット３２が設けられており、スプロケット３２を図示しない操作ハンドルにより適宜な伝達機構を介して正逆方向に回転させることで、取付部材３を前後に移動させるようにしている。なお、移動手段は、上記の構成の他にモータやシリンダ等のアクチュエータを用いて取付部材３を前後に移動させるようにしてもよい。   As an example of the moving means, as shown in FIG. 2, a chain 13 is stretched back and forth along the slide rail 12 at the lower portion of the slide rail 12 and meshes with the attachment member 3 from below. A sprocket 32 is provided, and the attachment member 3 is moved back and forth by rotating the sprocket 32 in a forward and reverse direction via an appropriate transmission mechanism by an operation handle (not shown). The moving means may move the mounting member 3 back and forth using an actuator such as a motor or a cylinder in addition to the above-described configuration.

この取付部材３には、駆動軸６が略水平に軸支されている。駆動軸６には駆動アーム６１の基端部が一体に固設され、この駆動アーム６１の先端部に同じく取付部材３に設けられたリフトシリンダ６２の伸縮ロッド６２ａの先端が連結されている。   A drive shaft 6 is supported on the mounting member 3 substantially horizontally. A base end portion of a drive arm 61 is integrally fixed to the drive shaft 6, and a tip end of a telescopic rod 62 a of a lift cylinder 62 provided on the mounting member 3 is connected to a tip end portion of the drive arm 61.

また、駆動軸６には回動ブラケット６３の基端部が一体に設けられており、回動ブラケット６３の途中部に後述するリフトリンク４１の基端部が枢支されている。   Further, the drive shaft 6 is integrally provided with a base end portion of a rotation bracket 63, and a base end portion of a lift link 41 described later is pivotally supported at an intermediate portion of the rotation bracket 63.

前記リンク機構４は、リフトリンク４１と連結リンク４２とで構成されている。   The link mechanism 4 includes a lift link 41 and a connecting link 42.

リフトリンク４１は、その基端部が前記回動ブラケット６３の途中部に枢軸４１ａにより枢支されている。   The lift link 41 is pivotally supported by a pivot 41 a at the base end of the pivot bracket 63.

このリフトリンク４１の基端部寄りの下面には、前記回動ブラケット６３の先端部に設けられた当接ボルト６４が当接可能に構成されており、当接ボルト６４がリフトリンク４１の基端部寄りの部位に下方から当接することで、前記リフトシリンダ６２の伸縮動作を前記駆動アーム６１、駆動軸６を介して回動ブラケット６３の回動動作としてリフトリンク４１に伝達することができ、これによりリフトリンク４１が上下に回動する。   A contact bolt 64 provided at the distal end of the rotating bracket 63 is configured to be able to contact the lower surface of the lift link 41 near the base end portion. By abutting on the part closer to the end from below, the expansion / contraction operation of the lift cylinder 62 can be transmitted to the lift link 41 as the rotation operation of the rotation bracket 63 via the drive arm 61 and the drive shaft 6. As a result, the lift link 41 rotates up and down.

連結リンク４２は、その基端部が前記取付部材３に枢軸４２ａにより枢支されている。   The base end of the connecting link 42 is pivotally supported on the mounting member 3 by a pivot 42a.

上述したスライドレール１２、取付部材３、リンク機構４、駆動軸６等の各部材は車枠１１の両側に左右一対設けられており、左右の取付部材３はスライドレール１２を同調してスライドするように連結部材３ａによって連結されている。   A pair of left and right members such as the slide rail 12, the mounting member 3, the link mechanism 4, and the drive shaft 6 described above are provided on both sides of the vehicle frame 11, and the left and right mounting members 3 slide in synchronization with the slide rail 12. Are connected to each other by a connecting member 3a.

前記荷受台５は、先端側部材５１と基端側部材５２とで構成されており、これら先端側部材５１と基端側部材５２とはヒンジ５３によって該先端側部材５１が基端側部材５２の上面に２つ折り自在になされている。   The load receiving platform 5 includes a distal end side member 51 and a proximal end side member 52, and the distal end side member 51 and the proximal end side member 52 are connected to each other by a hinge 53. It can be folded in two on the top surface.

基端側部材５２の基端部左右両側には、ブラケット５４を介してその上部に前記左右の連結リンク４２の先端部が枢軸４２ｂにより枢支され、その下部に前記左右のリフトリンク４１の先端部が枢軸４１ｂにより枢支されている。   On the left and right sides of the base end portion of the base end side member 52, the tip ends of the left and right connecting links 42 are pivotally supported by pivots 42 b on the upper portions thereof via brackets 54, and the tips of the left and right lift links 41 are supported on the lower portions thereof. The part is pivotally supported by the pivot 41b.

また、先端側部材５１の先端は楔状に形成されており、荷受台５が地上に達した際に図１の一点鎖線で示すように傾動することで、この先端が地上に段差なく接地するようになされている。   Further, the tip of the tip side member 51 is formed in a wedge shape, and when the load receiving platform 5 reaches the ground, it tilts as shown by the one-dot chain line in FIG. Has been made.

次に、このように構成された格納式荷受台昇降装置の動作について説明する。   Next, the operation of the retractable load receiving device lifting apparatus configured as described above will be described.

格納式荷受台昇降装置２の基本的な動作としては、この格納式荷受台昇降装置２が、前述した移動手段の操作により、荷受台５を折り畳んだ状態で取付部材３をスライドレール１２の前端部にスライドさせて格納する格納位置（図２参照）と、取付部材３をスライドレール１２の後端部にスライドさせて折り畳んだ荷受台５を先端側部材５１と基端側部材５２とが水平状態になるように展開するとともに、その展開した荷受台５の折り畳みを行う展開・折り畳み位置（図３参照）と、荷受台５を展開した状態で取付部材３をスライドレール１２の途中位置にスライドさせてこの荷受台５を地上と荷台１の床面との間で昇降作動させる昇降作業位置（図１参照）とに配置可能になされている。   As a basic operation of the retractable load receiving device lifting / lowering device 2, the retractable load receiving device lifting / lowering device 2 moves the mounting member 3 to the front end of the slide rail 12 in a state where the load receiving stand 5 is folded by the operation of the moving means described above. The storage position (see FIG. 2) for sliding the storage member into the part and the load receiving base 5 folded by sliding the mounting member 3 to the rear end part of the slide rail 12 are horizontally aligned with the front end side member 51 and the base end side member 52. The unfolded and folded positions (see FIG. 3) for folding the unfolded load receiving base 5 and the mounting member 3 to the middle position of the slide rail 12 with the load receiving base 5 unfolded. Thus, the load receiving platform 5 can be arranged at a lifting / lowering operation position (see FIG. 1) for moving up and down between the ground and the floor surface of the loading platform 1.

そして、まず、図２に示すように格納位置に配置された格納式荷受台昇降装置２により荷物の積降ろし作業を行う場合は、この状態で取付部材３をスライドレール１２の前端部から後端部にスライドさせることで、荷受台５を折り畳んだ状態で格納式荷受台昇降装置２を図３に示す展開・折り畳み位置に配置させる。   First, when loading and unloading work is performed by the retractable load receiving device elevating device 2 arranged at the storage position as shown in FIG. 2, the attachment member 3 is moved from the front end portion of the slide rail 12 to the rear end in this state. The retractable load receiving device lifting / lowering device 2 is arranged at the unfolded / folded position shown in FIG. 3 in a state where the load receiving stand 5 is folded.

このようにして格納式荷受台昇降装置２が展開・折り畳み位置に配置されると、折り畳まれた荷受台５の先端側部材５１を後方に回動させて基端側部材５２と先端側部材５１とが水平になるように展開する。この荷受台５の展開は、当該荷受台５全体を荷台１及び車枠１１の後方に引き出した状態で行っているため、荷受台５が荷台１及び車枠１１に干渉することがない。   When the retractable load receiving device elevating device 2 is arranged at the unfolded / folded position in this manner, the distal end side member 51 of the folded load receiving stand 5 is rotated rearward, and the proximal end side member 52 and the distal end side member 51 are thereby rotated. Expand so that and become horizontal. Since the loading platform 5 is deployed with the entire loading platform 5 pulled out behind the loading platform 1 and the vehicle frame 11, the loading platform 5 does not interfere with the loading platform 1 and the vehicle frame 11.

そして、この状態で格納式荷受台昇降装置２を上記展開・折り畳み位置から昇降作業位置側にスライドさせて取付部材３が昇降作業位置に達すると図示しない位置決め手段によって格納式荷受台昇降装置２を昇降作業位置で位置決めする。   In this state, when the retractable load receiving device elevating device 2 is slid from the unfolded / folded position to the elevating work position side and the mounting member 3 reaches the elevating work position, the retractable load receiving device elevating device 2 is moved by the positioning means (not shown). Position at the lifting / lowering position.

これにより、荷受台５はリフトシリンダ６２の伸縮動作により地上と荷台１の床面との間で昇降可能な状態になり、この昇降動作によって荷受台５を通じて地上と荷台１との間で荷物の積卸し作業を行う。   As a result, the load receiving platform 5 can move up and down between the ground and the floor surface of the loading platform 1 by the expansion and contraction operation of the lift cylinder 62, and the lifting and lowering operation allows the load receiving platform 5 to move the cargo between the ground and the loading platform 1. Perform unloading work.

次に、荷物の積降ろし作業が終了して格納式荷受台昇降装置２を格納する場合には、格納式荷受台昇降装置２を昇降作業位置から一旦、展開・折り畳み位置に配置し、この位置において荷受台５の先端側部材５１を折り畳む。この荷受台５の折り畳みは、前述した荷受台５の展開と同様に荷受台５全体を荷台１及び車枠１１の後方に引き出した状態で行なっており、このため荷受台５が荷台１及び車枠１１と干渉することはない。   Next, when the loading / unloading operation of the load is completed and the retractable load receiving device lifting device 2 is stored, the retractable load receiving device lifting / lowering device 2 is temporarily arranged from the lifting / lowering operation position to the unfolding / folding position. The front end side member 51 of the load receiving platform 5 is folded. The loading platform 5 is folded in a state where the entire loading platform 5 is pulled out behind the loading platform 1 and the vehicle frame 11 in the same manner as the above-described deployment of the loading platform 5, so that the loading platform 5 is loaded with the loading platform 1 and the vehicle frame 11. There will be no interference.

そして、このように荷受台５を折り畳んだ状態で格納式荷受台昇降装置２を当該展開・折り畳み位置から格納位置Ａ側にスライドさせて格納位置に配置する。   Then, with the load receiving platform 5 folded in this manner, the retractable load receiving platform elevating device 2 is slid from the unfolded / folded position to the storage position A side and disposed at the retracted position.

ところで、上述のように構成された格納式荷受台昇降装置２において、本考案の荷受台落下防止装置を構成する係止ピン７が移動側となる荷受台５側に、係止孔８が固定側となる車枠１１側に設けられている。   By the way, in the retractable load receiving device lifting / lowering device 2 configured as described above, the locking hole 8 is fixed to the load receiving table 5 side where the locking pin 7 constituting the load receiving device falling prevention device of the present invention is the moving side. It is provided on the side of the vehicle frame 11.

具体的には、係止ピン７は、荷受台５の先端側部材５１を折畳んだ状態で当該先端側部材５１の上面に、且つ基端側部材５２との連結側となる端縁部（折畳んだ状態では後端部になる）に設けられている。つまり、先端側部材５１を展開した状態では当該先端側部材５１の裏面になる面に係止ピン７が設けられている。   Specifically, the locking pin 7 is an end edge portion (on the upper surface of the distal end side member 51 in a state in which the distal end side member 51 of the load receiving platform 5 is folded and connected to the proximal end side member 52). In the folded state, it becomes the rear end). That is, the locking pin 7 is provided on the surface which becomes the back surface of the tip side member 51 when the tip side member 51 is unfolded.

この係止ピン７は、後述する係止孔８に対応するように図４に示すように先端側部材５１を折畳んだ状態で当該先端側部材５１の上面から所定の高さ位置に且つ先端を車枠１１前方に向けて取付部材７１を介して例えばヒンジ５３部分を利用して固設されている。また、係止ピン７の先端７ａは先細のテーパ形状に形成されている。   The locking pin 7 is positioned at a predetermined height from the upper surface of the distal end side member 51 in a state where the distal end side member 51 is folded as shown in FIG. Is fixed to the front of the vehicle frame 11 through the attachment member 71 using, for example, a hinge 53 portion. The tip 7a of the locking pin 7 is formed in a tapered shape.

一方、係止孔８は、例えば前記ガイドレール１２の後端に設けられたプレート８１に形成されており、折畳んだ荷受台５を格納位置に配置したときに係止ピン７が後方から挿入して係止するように両者（係止ピン７と係止孔８）の位置関係が設定されている。   On the other hand, the locking hole 8 is formed in, for example, a plate 81 provided at the rear end of the guide rail 12, and the locking pin 7 is inserted from the rear when the folded load receiving platform 5 is arranged at the storage position. Thus, the positional relationship between the two (the locking pin 7 and the locking hole 8) is set so as to be locked.

このように係止ピン７と係止孔８とで荷受台落下防止装置を構成することで、荷受台５を格納位置に配置した際には、係止ピン７が係止孔８に挿入係止し、これにより荷受台５側全体を車枠１１側で支持することができる。   In this way, the lock pin 7 and the lock hole 8 constitute a load receiving table fall prevention device, so that the lock pin 7 is inserted into the lock hole 8 when the load receiving table 5 is placed in the storage position. By stopping, the entire receiving platform 5 side can be supported on the vehicle frame 11 side.

この結果、リフトシリンダ６２や油圧回路で油漏れが生じた場合でも、この荷受台落下防止装置によって荷受台５側が降下することなく、荷受台５を格納位置に配置した適正な姿勢のままの状態で保持することができる。   As a result, even when oil leakage occurs in the lift cylinder 62 or the hydraulic circuit, the load receiving stand 5 is not lowered by the load receiving stand fall prevention device, and the proper posture in which the load receiving stand 5 is disposed at the retracted position is maintained. Can be held in.

しかも、係止ピン７を係止孔８に挿入係止する簡単な構造であるとともに、格納位置で挿入係止されるので装置を格納位置や作動位置に移動させる際には移動の支障にならず円滑に移動させることができる。また、先細に形成された係止ピン７の先端７ａが係止孔８に挿入しながら位置合わせを行えるので、取付時におけるバラツキも吸収して適正位置に保持でき、取付けをも容易に行うことができる。   In addition, it has a simple structure in which the locking pin 7 is inserted and locked into the locking hole 8 and is inserted and locked at the retracted position. Therefore, when the device is moved to the retracted position or the operating position, the movement may be hindered. It can be moved smoothly. Further, since the tip 7a of the locking pin 7 formed in a taper can be positioned while being inserted into the locking hole 8, it is possible to absorb variations in mounting and hold it in an appropriate position, and to perform mounting easily. Can do.

なお、上述した実施形態は、あくまでも本考案の好適な実施態様を示すものであって、本考案はこれに限定されることなく、その範囲内において種々設計変更可能である。   The above-described embodiment is merely a preferred embodiment of the present invention, and the present invention is not limited to this, and various design changes can be made within the scope thereof.

例えば、係止ピン７と係止孔８との取付位置は、本実施の形態に限らず、荷受台５を格納位置に配置した際に係止ピン７が係合孔８に挿入係止する構造であれば荷受台５側と車枠１１側のどこに取付けてもよい。   For example, the mounting position of the locking pin 7 and the locking hole 8 is not limited to the present embodiment, and the locking pin 7 is inserted and locked into the engagement hole 8 when the load receiving platform 5 is disposed in the storage position. If it is a structure, it may be attached anywhere on the cargo cradle 5 side and the vehicle frame 11 side.

また、係止ピン７と係止孔８とを逆に取付けてもよい。つまり、係止ピン７を車枠１１側に、係止孔８を形成したプレートを荷受台５側に設けてもよい。   Moreover, you may attach the locking pin 7 and the locking hole 8 reversely. That is, the locking pin 7 may be provided on the vehicle frame 11 side, and the plate in which the locking hole 8 is formed may be provided on the cargo receiving table 5 side.

格納式荷受台昇降装置が作業位置に配置された状態を示す側面図であるIt is a side view which shows the state by which the retractable cargo receiving platform raising / lowering device was arrange | positioned in the working position. 同装置が格納位置に配置された状態を示す側面図である。It is a side view which shows the state by which the apparatus was arrange | positioned in the storage position. 同装置が展開・折り畳み位置に配置された状態を示す側面図である。It is a side view which shows the state by which the same apparatus has been arrange | positioned in the expansion | deployment / folding position. 荷受台落下防止装置の構成を示す拡大の側面図である。It is an enlarged side view which shows the structure of a load receiving stand fall prevention apparatus.

符号の説明Explanation of symbols

１ 荷台
１１ 車枠
２ 格納式荷受台昇降装置
５ 荷受台
７ 係止ピン
７ａ 先端
８ 係止孔
８１ プレート DESCRIPTION OF SYMBOLS 1 Loading platform 11 Car frame 2 Retractable loading platform lifting device 5 Loading platform 7 Locking pin 7a Tip 8 Locking hole 81 Plate

Claims (2)

荷台が搭載された車枠に荷受台が昇降自在に設けられるとともに、荷受台が少なくとも２枚の分割部材に分割されて折畳み自在に構成され、荷台下方の格納位置と荷台から外方に突出配置されて昇降動作を行う作業位置との間でスライド自在になされた格納式荷受台昇降装置において、
前記車枠及び当該車枠に取付けられる部材などの固定側と、この固定側に対してスライドする前記荷受台などの移動側とには、荷受台が格納位置に配置された際に挿入係止する係止ピンと係止孔のいずれか一方が設けられたことを特徴とする格納式荷受台昇降装置における荷受台落下防止装置。 A loading platform is provided on the vehicle frame on which the loading platform is mounted so as to be movable up and down, and the loading platform is divided into at least two divided members and is foldable, and is disposed to project outward from the storage position below the loading platform and the loading platform. In the retractable loading platform lifting device that is slidable between the working position that performs the lifting and lowering operation,
The fixed side of the vehicle frame and the members attached to the vehicle frame and the moving side of the load table that slides relative to the fixed side are inserted and locked when the load table is placed in the storage position. A load receiving stand fall prevention device in a retractable load receiving stand lifting device, wherein either one of a stop pin or a locking hole is provided. 前記係止ピンの先端が先細のテーパ形状に形成されたことを特徴とする請求項１記載の格納式荷受台昇降装置における荷受台落下防止装置。

2. The load receiving stand fall prevention device in a retractable load receiving lift device according to claim 1, wherein a tip of the locking pin is formed in a tapered shape.

JP2005000451U 2005-02-02 2005-02-02 Load receiving device fall prevention device in retractable load receiving device lifting device Expired - Fee Related JP3110174U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006046631A1 (en) * 2004-10-28 2006-05-04 Kyokuto Kaihatsu Kogyo Co., Ltd. Lifting device for load receiving platform and load receiving platform
JP2011143848A (en) * 2010-01-15 2011-07-28 Nippon Lift Kk Under floor storage type elevating device
JP2012066719A (en) * 2010-09-24 2012-04-05 Kyokuto Kaihatsu Kogyo Co Ltd Lifting device for loading platform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006046631A1 (en) * 2004-10-28 2006-05-04 Kyokuto Kaihatsu Kogyo Co., Ltd. Lifting device for load receiving platform and load receiving platform
JP2011143848A (en) * 2010-01-15 2011-07-28 Nippon Lift Kk Under floor storage type elevating device
JP2012066719A (en) * 2010-09-24 2012-04-05 Kyokuto Kaihatsu Kogyo Co Ltd Lifting device for loading platform

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