JP3207748B2 - Loading platform lifting device - Google Patents

Loading platform lifting device

Info

Publication number
JP3207748B2
JP3207748B2 JP09140396A JP9140396A JP3207748B2 JP 3207748 B2 JP3207748 B2 JP 3207748B2 JP 09140396 A JP09140396 A JP 09140396A JP 9140396 A JP9140396 A JP 9140396A JP 3207748 B2 JP3207748 B2 JP 3207748B2
Authority
JP
Japan
Prior art keywords
vehicle body
loading
driving means
support member
rotating
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 - Fee Related
Application number
JP09140396A
Other languages
Japanese (ja)
Other versions
JPH09277868A (en
Inventor
順夫 川合
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyokuto Kaihatsu Kogyo Co Ltd
Original Assignee
Kyokuto Kaihatsu Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyokuto Kaihatsu Kogyo Co Ltd filed Critical Kyokuto Kaihatsu Kogyo Co Ltd
Priority to JP09140396A priority Critical patent/JP3207748B2/en
Publication of JPH09277868A publication Critical patent/JPH09277868A/en
Application granted granted Critical
Publication of JP3207748B2 publication Critical patent/JP3207748B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は貨物車等の車両に設
ける荷受台昇降装置、特に荷受台を車体の下方に格納す
ることができる荷受台昇降装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading / unloading device for a vehicle such as a freight car, and more particularly to a loading / unloading device capable of storing a loading device below a vehicle body.

【0002】[0002]

【従来の技術】従来の荷受台昇降装置は特開平5−28
6389号公報に開示されている如く、車体側に支持さ
れた回転可能なシャフトに回動部材を固定し、この回動
部材に荷受台を水平保持する平行リンク機構を設けてい
る。更に回動部材と平行リンク機構との間に平行リンク
機構回動用の昇降用シリンダを設け、車体と回動部材と
の間に回動部材を回動させる格納用シリンダを設けてい
る。
2. Description of the Related Art A conventional loading / unloading device is disclosed in Japanese Patent Application Laid-Open No. 5-28.
As disclosed in Japanese Patent No. 6389, a rotating member is fixed to a rotatable shaft supported on the vehicle body side, and the rotating member is provided with a parallel link mechanism for horizontally holding a load receiving table. Further, an elevating cylinder for rotating the parallel link mechanism is provided between the rotating member and the parallel link mechanism, and a storage cylinder for rotating the rotating member is provided between the vehicle body and the rotating member.

【0003】これにより、荷物積卸し作業時には昇降用
シリンダを伸縮させて荷受台を水平状態にて昇降させ、
作業終了後は格納用シリンダにて回動部材を回動させる
とともに昇降用シリンダにて平行リンク機構を回動させ
ることにより荷受台を車体の下方に格納させるようにな
っている。
[0003] In this way, during loading / unloading work, the lifting cylinder is extended and retracted to raise and lower the loading tray in a horizontal state.
After the work is completed, the loading cylinder is rotated by the storage cylinder and the parallel link mechanism is rotated by the lifting / lowering cylinder to store the load receiving table below the vehicle body.

【0004】[0004]

【発明が解決しようとする課題】ところが、前記構造で
あれば、全体をユニット化して車体等に取り付けるので
あるが、取り付ける際に支持部材を車体後端に固定する
とともに格納用シリンダの基部を車体に取り付ける作業
が必要なため、取り付け個所が複数となり、更に格納用
シリンダの取付位置が車体の奥にあるため作業者が車体
の奥に潜り込んだ状態で作業しなければならず、作業が
煩雑かつ困難であった。
However, with the above structure, the whole is unitized and mounted on a vehicle body or the like. When mounting, the support member is fixed to the rear end of the vehicle body and the base of the storage cylinder is mounted on the vehicle body. Since the mounting work is necessary, there are multiple mounting locations, and the mounting position of the storage cylinder is at the back of the car body, so the worker must work while squatting into the back of the car body, making the work complicated and It was difficult.

【0005】また、車両によっては格納用シリンダが後
部車輪のフェンダ等と干渉して取り付けができないとい
う問題があった。そこで本発明は車体等への取付作業を
容易にするとともにフェンダ等との干渉を無くすように
した荷受台昇降装置を提供するものである。
[0005] Further, there is a problem that the storage cylinder cannot be mounted due to interference with a fender or the like of the rear wheel in some vehicles. SUMMARY OF THE INVENTION The present invention provides a lifting / lowering device for a loading tray that facilitates the work of attaching the vehicle to a vehicle body or the like and eliminates interference with a fender or the like.

【0006】[0006]

【課題を解決するための手段】本発明の内、請求項1の
発明は車体若しくは荷台の後端に支持部材を固定し、前
記支持部材の両端に回動可能に支持された回動部材を設
け、前記回動部材には、先部を連結部材に軸支した上部
リンク及び下部リンクの各基部を平行リンク機構となる
ように軸支し、前記連結部材若しくは上・下部リンクの
いずれかに水平保持された荷受台を設け、前記回動部材
には、上・下部リンクのいずれかに連結し、上・下部リ
ンクを上下回動させうる第1駆動手段と、支持部材の端
部に連結し回動部材を回動させうる第2駆動手段とを設
け、前記第1駆動手段にて荷受台を荷台まで昇降可能と
し、第1駆動手段と第2駆動手段とにて荷受台を車体の
下方に格納できるようにしたことを特徴とするものであ
る。
According to a first aspect of the present invention, a supporting member is fixed to a rear end of a vehicle body or a carrier, and a rotating member rotatably supported at both ends of the supporting member is provided. The rotating member is provided such that the bases of an upper link and a lower link whose front ends are supported by a connecting member are supported so as to form a parallel link mechanism. A horizontally-held loading tray is provided, and the rotating member is connected to one of upper and lower links, and a first driving means capable of vertically rotating the upper and lower links, and is connected to an end of a supporting member. And a second driving means capable of rotating the rotating member. The first driving means enables the loading table to be lifted and lowered to the loading table. The first driving means and the second driving means move the loading table to the vehicle body. It is characterized in that it can be stored below.

【0007】請求項2の発明は、前記支持部材は、車体
若しくは荷台に固定される支持部材本体と、回動部材を
回動可能に支持するとともに支持部材本体に固定される
左右一対の補助部材とにて構成したことを特徴とするも
のである。
According to a second aspect of the present invention, the support member includes a support member body fixed to a vehicle body or a carrier, and a pair of left and right auxiliary members that rotatably support the rotating member and are fixed to the support member body. And characterized in that:

【0008】[0008]

【発明の実施の形態】以下本発明の実施の形態を図面に
て説明すると、図1は本発明の全体図で、1は車体で、
該車体1上に荷台2が搭載されている。前記車体1はシ
ャシフレームとサブフレームから成る場合又はシャシフ
レームのみから成る場合のいずれでもよい。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall view of the present invention, 1 is a vehicle body,
A carrier 2 is mounted on the vehicle body 1. The vehicle body 1 may be composed of either a chassis frame and a subframe or a chassis frame only.

【0009】前記車体1の後端には本発明の荷受台昇降
装置3が設けられ、該荷受台昇降装置3にて荷台2への
荷物の積み降しができるようになっており、以下荷受台
昇降装置3について説明する。4は車体1後端に左右方
向に延びた状態で取り付けられる支持部材で、該支持部
材4は、強度を高めるため大径にしたパイプ状の支持部
材本体5とシャフト状で小径の左右一対の補助部材6と
から成っている。
At the rear end of the vehicle body 1, there is provided a loading / unloading device 3 of the present invention. The loading / unloading device 3 is capable of loading / unloading cargo on / from the loading platform 2. The table elevating device 3 will be described. Reference numeral 4 denotes a support member which is attached to the rear end of the vehicle body 1 so as to extend in the left-right direction. The support member 4 includes a pipe-shaped support member body 5 having a large diameter in order to increase strength and a pair of left and right shaft-shaped small diameter members. And an auxiliary member 6.

【0010】前記支持部材本体5は、車体1に固定され
た固定ブラケット7に上下一対の取付部材8がボルト止
めされ、この取付部材8に支持されるとともに溶着され
ることにより車体1に固定されるようになっている。と
ころで前記固定ブラケット7はL字形を成し、車体1後
部側面に複数の切欠穴9周囲が溶着されることにより固
定されている。
The support member body 5 is fixed to the vehicle body 1 by a pair of upper and lower mounting members 8 being bolted to a fixing bracket 7 fixed to the vehicle body 1 and supported and welded to the mounting members 8. It has become so. The fixing bracket 7 has an L-shape, and is fixed to the rear side surface of the vehicle body 1 by welding around a plurality of cutout holes 9.

【0011】前記補助部材6は図2及び図5に示す如
く、支持部材本体5の大径に一致させるため一部テーパ
状にするとともに支持部材本体5に挿入しうる挿入部1
0を設けている。これにより前記挿入部10を支持部材
本体5の端部に挿入し、支持部材本体5と補助部材6と
の接続部分を溶接して左右一対の補助部材6を支持部材
本体5に一体化させるようになっている。
As shown in FIGS. 2 and 5, the auxiliary member 6 is partially tapered to match the large diameter of the support member main body 5 and can be inserted into the support member main body 5.
0 is provided. Thereby, the insertion portion 10 is inserted into the end of the support member main body 5, and the connection portion between the support member main body 5 and the auxiliary member 6 is welded to integrate the pair of left and right auxiliary members 6 with the support member main body 5. It has become.

【0012】11は前記補助部材6の端部に回動可能に
設けられた回動部材で、該回動部材11は平板状で略中
央に補助部材6が位置し幾分間隔をあけて左右一対設け
てある。前記補助部材6の前部(図1左側)上下にはそ
れぞれ上部シャフト12及び下部シャフト13が回転可
能に貫通され、前記上部シャフト12の突出端部には上
部リンク14の基部が固定され、下部シャフト13の突
出端部(上部リンクよりも内側)には下部リンク15の
基部が固定されている。
Reference numeral 11 denotes a pivoting member rotatably provided at an end of the auxiliary member 6. The pivoting member 11 has a flat plate shape, and the auxiliary member 6 is located substantially at the center. A pair is provided. An upper shaft 12 and a lower shaft 13 are rotatably penetrated respectively above and below a front portion (left side in FIG. 1) of the auxiliary member 6, and a base of an upper link 14 is fixed to a protruding end of the upper shaft 12, and The base of the lower link 15 is fixed to the protruding end of the shaft 13 (inner than the upper link).

【0013】前記上・下部リンク14,15の各先部は
連結部材16に軸支され、上・下部リンク14,15,
回動部材11及び連結部材16にて平行リンク機構17
を形成するようになっている。前記連結部材16には平
板状で2つ折り可能な荷受台18が水平状態にて設けら
れ、荷受台18不使用時には図7の如く2つ折りして起
立させうるようになっている。
Each end of the upper and lower links 14, 15 is supported by a connecting member 16, and the upper and lower links 14, 15,
The parallel link mechanism 17 includes the rotating member 11 and the connecting member 16.
Is formed. The connecting member 16 is provided with a flat, two-foldable loading tray 18 in a horizontal state. When the loading tray 18 is not used, the loading tray 18 can be folded and raised as shown in FIG.

【0014】ところで、前記荷受台18は上・下部リン
ク14,15の一部に設けることも可能である。19は
上部リンク14を上下回動させるための第1駆動手段で
ある昇降用シリンダで、該昇降用シリンダ19は一対の
回動部材11間でかつ補助部材6と上部シャフト14と
の間に配置されており、バレル側が回動部材11に軸支
され、ロッド側が上部シャフト12と一体のアーム20
に軸支されている。
By the way, the receiving table 18 can be provided on a part of the upper and lower links 14 and 15. Reference numeral 19 denotes an elevating cylinder, which is a first driving means for rotating the upper link 14 up and down. The elevating cylinder 19 is disposed between the pair of rotating members 11 and between the auxiliary member 6 and the upper shaft 14. The barrel side is pivotally supported by the rotating member 11, and the rod side is an arm 20 integrated with the upper shaft 12.
It is pivoted on.

【0015】これにより昇降用シリンダ19が伸長する
と上・下部リンク14,15が上方回動して荷受台18
を上昇させ、縮小すると上・下部リンク14,15が下
方回動して荷受台18を降下させるようになっている。
21は補助部材6を中心に回動部材11を回動させるた
めの第2駆動手段である格納用シリンダで、該格納用シ
リンダ21は一対の回動部材11間でかつ補助部材6よ
り後方(図1右側)に配置されており、バレル側が回動
部材11に軸支され、ロッド側が補助部材6と一体のア
ーム22に軸支されている。
As a result, when the lifting cylinder 19 is extended, the upper and lower links 14 and 15 are pivoted upward to rotate the load receiving table 18.
Is raised and contracted, the upper and lower links 14 and 15 rotate downward to lower the load receiving table 18.
A storage cylinder 21 is a second driving means for rotating the rotation member 11 about the auxiliary member 6. The storage cylinder 21 is located between the pair of rotation members 11 and behind the auxiliary member 6 ( 1 (right side in FIG. 1), the barrel side is pivotally supported by the rotating member 11, and the rod side is pivotally supported by the arm 22 integrated with the auxiliary member 6.

【0016】23は荷受台18起立状態で荷受台18を
連結部材16に固定するピンである。尚、実施の形態で
は支持部材の支持部材本体と補助部材とを溶接にて固定
しているが、ボルト止めでも同様の作用効果を有するも
のである。また昇降用シリンダを上部リンク側に連結し
ているが、下部リンク側に連結しても同様の作用効果を
有するものである。
Reference numeral 23 denotes a pin for fixing the load receiving table 18 to the connecting member 16 while the load receiving table 18 is standing. In the embodiment, the support member main body of the support member and the auxiliary member are fixed by welding, but the same operation and effect can be obtained by bolting. Further, although the lifting cylinder is connected to the upper link side, the same effect can be obtained even if it is connected to the lower link side.

【0017】本発明は前記の如き構成で次に作用につい
て説明すると、荷物の積降ろしを行う時は、図1の状態
にて荷台2から荷受台18に荷物の移動を行い、その後
昇降用シリンダ19を縮小させて荷受台18を降下さ
せ、地上に達すると(図6)、荷受台18から地上に荷
物を降ろす。地面から荷台に荷物を積み込む場合は前記
と逆の手順で行うことができる。
The operation of the present invention will now be described with reference to FIG. 1. When loading and unloading cargo, the cargo is moved from the loading platform 2 to the loading tray 18 in the state shown in FIG. 19 is reduced and the receiving tray 18 is lowered, and when it reaches the ground (FIG. 6), the load is dropped from the receiving tray 18 to the ground. Loading cargo from the ground to the cargo bed can be performed in the reverse procedure.

【0018】その際、回動部材11は格納用シリンダ2
1にて固定状態にされている。積降ろし作業終了後は、
まず図7の如く荷受台上昇位置で荷受台18を2つ折り
にした後起立させ、ピン23にて連結部材16に固定さ
せる。その状態で格納用シリンダ21を伸長させて回動
部材11を図7時計方向に約90度回動させる(図
8)。
At this time, the rotating member 11 is
1 is fixed. After the unloading work is completed,
First, as shown in FIG. 7, the loading table 18 is folded in two at the lifting position of the loading table, and then is erected and fixed to the connecting member 16 with the pin 23. In this state, the storage cylinder 21 is extended to rotate the rotating member 11 approximately 90 degrees clockwise in FIG. 7 (FIG. 8).

【0019】その後、昇降用シリンダ19を縮小させて
図9の如く荷受台18を車体1の下方に格納する。とこ
ろで、ユニット化された荷受台昇降装置3全体を修理等
のために交換する場合には、取付部材8を外すだけで簡
単に交換することができ、かつ取付部材8の位置も車体
1の後端なので作業も容易に行うことができる。
Thereafter, the lifting cylinder 19 is reduced, and the load receiving table 18 is stored below the vehicle body 1 as shown in FIG. By the way, when replacing the entire unitized loading tray elevating device 3 for repair or the like, it can be easily replaced simply by removing the mounting member 8, and the position of the mounting member 8 is also located behind the vehicle body 1. Since it is an end, work can be easily performed.

【0020】また回動部材11等の交換は支持部材本体
5から補助部材6を外すのみで実施することができるの
で、作業が容易となる。
Further, the replacement of the rotating member 11 and the like can be performed only by removing the auxiliary member 6 from the support member main body 5, so that the work becomes easy.

【0021】[0021]

【発明の効果】以上の如く本発明は、支持部材に回動部
材を回動可能に設け、前記回動部材と支持部材との間に
回動部材を回動させる第2駆動手段を設け、更に荷受台
を昇降させる第1駆動手段も設けるようにしたので、車
体等への取り付けは支持部材を取り付けるだけですみ、
また車体の奥に潜り込む必要が無くなり、取り付け作業
が非常に簡単容易になる。
As described above, according to the present invention, a pivoting member is rotatably provided on a supporting member, and second driving means for pivoting the pivoting member is provided between the pivoting member and the supporting member. In addition, the first drive means for raising and lowering the loading table is also provided, so mounting to the vehicle body etc. requires only attaching the support member,
In addition, there is no need to sink into the interior of the vehicle body, and the mounting work is very simple and easy.

【0022】また、後部車輪のフェンダ等との干渉を考
慮する必要が無くなるため、あらゆる車両への取り付け
が可能となる。
Further, since it is not necessary to consider the interference between the rear wheel and the fender or the like, the rear wheel can be mounted on any vehicle.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の全体図である。FIG. 1 is an overall view of the present invention.

【図2】図1A−A拡大図である。FIG. 2 is an enlarged view of FIG. 1A-A.

【図3】図2B−B断面図である。FIG. 3 is a cross-sectional view of FIG. 2BB.

【図4】図2C−C断面図である。FIG. 4 is a cross-sectional view of FIG. 2C-C.

【図5】支持部材の組み付け状態図である。FIG. 5 is an assembled state diagram of a support member.

【図6】荷受台を地面まで降下させたときの作動図であ
る。
FIG. 6 is an operation diagram when the loading tray is lowered to the ground.

【図7】荷受台格納開始時の作動図である。FIG. 7 is an operation diagram at the time of starting storage of a loading tray.

【図8】荷受台格納中間時の作動図である。FIG. 8 is an operation diagram at the time of intermediate storage of a loading tray.

【図9】荷受台格納完了時の作動図である。FIG. 9 is an operation diagram when storage of the loading tray is completed.

【符号の説明】[Explanation of symbols]

1 車体 3 荷受台昇降装置 4 支持部材 11 回動部材 14 上部リンク 15 下部リンク 16 連結部材 17 平行リンク機構 18 荷受台 19 昇降用シリンダ 21 格納用シリンダ DESCRIPTION OF REFERENCE NUMERALS 1 vehicle body 3 loading tray elevating device 4 support member 11 rotating member 14 upper link 15 lower link 16 connecting member 17 parallel link mechanism 18 loading tray 19 lifting cylinder 21 storage cylinder

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 車体若しくは荷台の後端に支持部材を固
定し、前記支持部材の両端に回動可能に支持された回動
部材を設け、前記回動部材には、先部を連結部材に軸支
した上部リンク及び下部リンクの各基部を平行リンク機
構となるように軸支し、前記連結部材若しくは上・下部
リンクのいずれかに水平保持された荷受台を設け、前記
回動部材には、上・下部リンクのいずれかに連結し、上
・下部リンクを上下回動させうる第1駆動手段と、支持
部材の端部に連結し回動部材を回動させうる第2駆動手
段とを設け、前記第1駆動手段にて荷受台を荷台まで昇
降可能とし、第1駆動手段と第2駆動手段とにて荷受台
を車体の下方に格納できるようにしてなる荷受台昇降装
置。
1. A supporting member is fixed to a rear end of a vehicle body or a bed, and a rotating member rotatably supported at both ends of the supporting member is provided. The bases of the upper link and the lower link that are pivotally supported are pivotally supported so as to form a parallel link mechanism, and a loading tray that is horizontally held by either the connecting member or the upper / lower link is provided. A first driving means connected to one of the upper and lower links to rotate the upper and lower links up and down, and a second driving means connected to an end of the support member and rotating the rotating member. A load receiving platform elevating device, wherein the load receiving platform can be moved up and down to the loading platform by the first driving means, and the loading platform can be stored below the vehicle body by the first driving means and the second driving means.
【請求項2】 前記支持部材は、車体若しくは荷台に固
定される支持部材本体と、回動部材を回動可能に支持す
るとともに支持部材本体に固定される左右一対の補助部
材とから構成して成る請求項1記載の荷受台昇降装置。
The support member includes a support member main body fixed to a vehicle body or a carrier, and a pair of left and right auxiliary members that rotatably support the rotating member and are fixed to the support member main body. The lifting / lowering device according to claim 1, further comprising:
JP09140396A 1996-04-12 1996-04-12 Loading platform lifting device Expired - Fee Related JP3207748B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP09140396A JP3207748B2 (en) 1996-04-12 1996-04-12 Loading platform lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09140396A JP3207748B2 (en) 1996-04-12 1996-04-12 Loading platform lifting device

Publications (2)

Publication Number Publication Date
JPH09277868A JPH09277868A (en) 1997-10-28
JP3207748B2 true JP3207748B2 (en) 2001-09-10

Family

ID=14025423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09140396A Expired - Fee Related JP3207748B2 (en) 1996-04-12 1996-04-12 Loading platform lifting device

Country Status (1)

Country Link
JP (1) JP3207748B2 (en)

Also Published As

Publication number Publication date
JPH09277868A (en) 1997-10-28

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