JP2718590B2 - Loading platform lifting device - Google Patents

Loading platform lifting device

Info

Publication number
JP2718590B2
JP2718590B2 JP4419592A JP4419592A JP2718590B2 JP 2718590 B2 JP2718590 B2 JP 2718590B2 JP 4419592 A JP4419592 A JP 4419592A JP 4419592 A JP4419592 A JP 4419592A JP 2718590 B2 JP2718590 B2 JP 2718590B2
Authority
JP
Japan
Prior art keywords
loading
mounting
vehicle
links
receiving
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 - Lifetime
Application number
JP4419592A
Other languages
Japanese (ja)
Other versions
JPH05238304A (en
Inventor
博 池田
尚夫 魚田
幸治 岩谷
Original Assignee
極東開発工業株式会社
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 極東開発工業株式会社 filed Critical 極東開発工業株式会社
Priority to JP4419592A priority Critical patent/JP2718590B2/en
Publication of JPH05238304A publication Critical patent/JPH05238304A/en
Application granted granted Critical
Publication of JP2718590B2 publication Critical patent/JP2718590B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

【0001】[0001]

【産業上の利用分野】本発明は荷受台を昇降させて荷物
の積卸しを行なうとともに不使用時にはコンパクトに格
納できるようにした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 lifting / lowering a loading / unloading pallet so as to unload cargo and to store it compactly when not in use.

【0002】[0002]

【従来の技術】一般に荷受台昇降装置は荷台下方の車体
に平行リンク機構を有するように上・下部リンクを設
け、その上・下部リンクの先端に荷受台を水平状態に設
け、上・下部リンクを回動させて荷受台を昇降させるよ
うになっている。ところで荷受台不使用時には実開昭6
3−46243号公報に開示されている如く荷台の後扉
の後方に荷受台を起立させて格納させるようになってい
る。
2. Description of the Related Art In general, a loading tray elevating device is provided with upper and lower links so as to have a parallel link mechanism on a vehicle body below the loading tray, and a loading tray is provided horizontally at the end of the upper and lower links. Is rotated to raise and lower the receiving table. By the way, when the receiving platform is not used,
As disclosed in Japanese Unexamined Patent Publication No. 3-46243, a loading table is raised and stored behind a rear door of the loading table.

【0003】そのため、荷箱と同じ高さのプラットホ−
ムから荷物の積卸しをする際には格納された荷受台が邪
魔になって後扉を開くことができないという問題があ
る。そこで上記問題点を解消するため実開昭57−14
7136号公報に開示されている如く荷受台を降下さ
せ、荷受台を2つ折りするとともに回動させ、その状態
で上・下部リンクを上方回動させて荷台下方に荷受台を
格納するようになっている。
[0003] Therefore, a platform having the same height as the packing box is used.
There is a problem that when loading and unloading cargo from a store, the stored receiving tray is in the way and the rear door cannot be opened. Therefore, in order to solve the above-mentioned problems, Japanese Utility Model Laid-Open No. 57-14
As disclosed in Japanese Patent No. 7136, the loading tray is lowered, the loading tray is folded and turned, and in this state, the upper and lower links are rotated upward to store the loading tray below the loading tray. ing.

【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、上・下部リンクは左右に位置するが、荷受台は荷
台と同等の幅を有するため、荷台下方に大きな格納スペ
−スを確保する必要から、格納スペ−スに位置する車体
や荷台の各種補強桁を切り欠く必要があり、特に既存の
車両に設ける際には大幅な改造が必要となる。
However, in the above structure, the upper and lower links are located on the left and right, but the receiving tray has the same width as the loading platform, so that a large storage space is secured below the loading platform. Because of necessity, it is necessary to cut out various reinforcing girders of the vehicle body and the luggage carrier located in the storage space, and when the existing vehicle is provided, a significant modification is required.

【0005】また車体等を切り欠くため荷台の強度が低
下し、重量物の積載ができないという欠点がある。そこ
で本発明の目的は車体や荷台をほとんど改造することな
く荷受台をコンパクトに格納できる荷受台昇降装置を提
供するものである。
[0005] Further, since the car body or the like is notched, there is a disadvantage that the strength of the cargo bed is reduced and heavy goods cannot be loaded. SUMMARY OF THE INVENTION An object of the present invention is to provide a loading tray lifting device capable of storing the loading tray compactly with almost no modification of the vehicle body or the loading platform.

【0006】[0006]

【課題を解決するための手段】本発明は荷台下方にて車
体若しくは荷台に回動可能に設けた左右一対の取付部材
と、基部を、前記取付部材の回動中心より離れた取付部
材の一部に軸支するとともに先部を取付支柱に軸支して
平行リンク機構を形成する上・下部リンクと、前記取付
支柱に重合保持かつ水平保持可能に軸支された荷受台
と、前記車体若しくは荷台に設けられ、重合保持された
荷受台を車体の下方に格納するため取付部材を回動させ
る第1駆動手段と、前記取付部材に設けられ、水平保持
された荷受台を昇降させるため前記上・下部リンクの少
なくとも一方を回動させる第2駆動手段とからなること
を特徴とするものである。
SUMMARY OF THE INVENTION According to the present invention, a pair of right and left mounting members rotatably provided on a vehicle body or a loading bed below a loading bed, and a mounting portion separated from a center of rotation of the mounting member.
Supporting a part of the material and supporting the tip to the mounting support
Upper and lower links forming a parallel link mechanism and the mounting
A loading table that is supported on a column so that it can be held horizontally and horizontally.
And provided on the vehicle body or the carrier,
Rotate the mounting member to store the loading table below the vehicle body.
A first driving means provided on the mounting member,
Of the upper and lower links to raise and lower the
At least one of the second driving means for rotating one of them.

【0007】[0007]

【作用】荷物の積卸しをする場合には第2駆動手段を駆
動させて上・下部リンクを上下回動させ、荷受台を水平
状態にて昇降させることにより荷物の積卸しを行なう。
荷受台を格納する場合には荷受台を起立させて取付支柱
に重合させるとともに取付支柱に固定し、その状態で、
第1駆動手段にて取付部材を回動させて荷受台を降下さ
せ、第2駆動手段を駆動させて荷受台を車体近接位置ま
で上昇格納する。
When loading / unloading the load, the second driving means is driven to rotate the upper / lower link up and down, and the load receiving table is moved up and down in a horizontal state to load / unload the load.
When storing the loading platform, raise the loading platform, overlap it with the mounting column, and fix it to the mounting column.
The attachment member is rotated by the first drive means to lower the load receiving table, and the second drive means is driven to store the load receiving table ascending to the vehicle body proximity position.

【0008】[0008]

【実施例】以下本発明の実施例を図面にて説明すると、
1は車体2上に搭載された荷箱で、該荷箱1は荷台3及
び後扉4を有し、荷台3の下面には補強桁として主桁5
及び補助桁6がある。前記車体2はシャシフレ−ムとサ
ブフレ−ムとから成る場合又はシャシフレ−ムのみから
成る場合のいずれでもよい。
BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Reference numeral 1 denotes a packing box mounted on a vehicle body 2. The packing box 1 has a carrier 3 and a rear door 4.
And an auxiliary girder 6. The vehicle body 2 may be composed of either a chassis frame and a subframe or a chassis frame only.

【0009】前記車体2の後端下部には支持軸受7を左
右一対設け、前記支持軸受7にて左右方向に延びたパイ
プ状の支持部材8を回転可能に支持している。また支持
部材8の中間にはア−ム9を固定し、ア−ム9と車体2
との間に第1駆動手段である格納用シリンダ10を設
け、格納用シリンダ10の伸縮にて支持部材8を回転さ
せるようになっている。
A pair of left and right support bearings 7 are provided below the rear end of the vehicle body 2, and the support bearings 7 rotatably support a pipe-shaped support member 8 extending in the left-right direction. An arm 9 is fixed in the middle of the support member 8, and the arm 9 and the vehicle body 2 are fixed.
The storage cylinder 10 serving as the first driving means is provided between the storage cylinder 10 and the support member 8 to rotate by the expansion and contraction of the storage cylinder 10.

【0010】前記支持部材8の左右両端には2枚1組の
取付部材11が左右に一対固定されている。前記取付部
材11は平板状で三角形を成し、一隅部に支持部材8が
固定されている。12、13は上下平行に配置された上
部リンク及び下部リンクで、両リンク12、13の基部
は支持部材11最外側壁の他隅部、すなわち一隅部より
前方(図1左側)に位置する上下の隅部にそれぞれ軸支
してある。
At the left and right ends of the support member 8, a pair of mounting members 11 is fixed to the left and right. The mounting member 11 has a flat plate shape and forms a triangle, and a support member 8 is fixed to one corner. Upper and lower links 12 and 13 are arranged vertically in parallel. The bases of both links 12 and 13 are located at the other corner of the outermost wall of the support member 11, that is, the upper and lower links located in front of one corner (left side in FIG. 1). Are pivotally supported at the corners.

【0011】前記両リンク12、13の先部には断面L
形で垂直状の取付支柱をそれぞれ軸支し、前記両リンク
12、13にて平行リンク機構を形成している。前記取
付支柱14の下部には荷受台15の基部を軸支し、取付
支柱14と荷受台15との間に設けた屈折リンク16に
て荷受台15を水平状態に保持するようになっている。
A cross section L is provided at the tip of each of the links 12 and 13.
The vertical mounting supports are each supported by a shaft, and the two links 12 and 13 form a parallel link mechanism. A base of a loading table 15 is pivotally supported at the lower portion of the mounting column 14, and the loading table 15 is held in a horizontal state by a bending link 16 provided between the mounting column 14 and the loading table 15. .

【0012】前記荷受台15は荷受台本体17と荷受台
本体17の先端に蝶着されて荷受台本体17上に2つ折
りできる補助台18とから成っている。また屈折リンク
16を畳んで荷受台15を上方回動させると取付支柱1
4上端の固縛部材19にて荷受台15側面のピン20を
固縛するようになっている。21は上部リンク12を回
動させるための第2駆動手段である昇降用シリンダで、
該昇降用シリンダ21は一組の取付部材11の間に配置
されるとともに上部リンク12に一体のア−ム22と取
付部材11との間に設けられ、昇降用シリンダ21の伸
縮にて両リンク12、13が上下回動するようになって
いる。
The receiving table 15 comprises a receiving table main body 17 and an auxiliary table 18 which is hinged to the tip of the receiving table main body 17 and can be folded on the receiving table main body 17. When the loading link 15 is rotated upward by folding the bending link 16, the mounting support 1
The pin 20 on the side surface of the loading table 15 is secured by a securing member 19 at the upper end of the four. 21 is a lifting / lowering cylinder, which is a second driving means for rotating the upper link 12;
The lifting / lowering cylinder 21 is disposed between a pair of mounting members 11 and provided between an arm 22 integrated with the upper link 12 and the mounting member 11. 12 and 13 are configured to rotate up and down.

【0013】尚、実施例では荷受台昇降装置を車体の後
部に設けているが、車体の側方に設けることも可能であ
る。また支持部材を車体に固定して取付部材を支持部材
上で回動可能にしてもよく、更に支持部材を荷台に設け
るようにすることも可能である。また、荷受台は2つ折
りに限定されるものではなく、一枚板状及び3つ折り以
上であってもよい。
In the embodiment, the loading / unloading device is provided at the rear of the vehicle body, but may be provided at the side of the vehicle body. Further, the support member may be fixed to the vehicle body and the mounting member may be rotatable on the support member, and the support member may be provided on the carrier. In addition, the receiving table is not limited to being folded in two, but may be a single plate and three or more folded.

【0014】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、荷物の積卸作業を行なう場合には図1の
如く、まず格納用シリンダ10を縮小させ、取付部材1
1を図1反時計回りに回動させて前方回動位置に固定す
る。その状態で荷受台15を実線位置から一点鎖線位置
まで上昇させる場合には昇降用シリンダ21を伸長させ
て両リンク12、13を上方回動させ、一点鎖線位置か
ら実線位置まで降下させる場合には昇降用シリンダ21
を縮小させて両リンク12、13を下方回動させ、これ
により地上と荷台3との間での荷物の積卸しを行なう。
The operation of the present invention will now be described with reference to FIG. 1. When loading and unloading work, as shown in FIG.
1 is rotated in a counterclockwise direction in FIG. When the loading tray 15 is raised from the solid line position to the dashed line position in that state, the elevating cylinder 21 is extended to rotate both the links 12 and 13 upward, and to lower the link from the dashed line position to the solid line position. Lifting cylinder 21
Is reduced, and both links 12 and 13 are rotated downward, whereby the unloading of the load between the ground and the loading platform 3 is performed.

【0015】荷受台を格納する場合には、まず荷受台1
5を図3の一点鎖線の位置まで昇降させた後補助台18
を荷受台本体17上に折り畳む。荷受台15を実線位
置、すなわち取付支柱14と重合させた位置まで上方回
動させてピン20を固縛部材19にて固縛することによ
り荷受台15を取付支柱14に固定する。
When storing the receiving table, first, the receiving table 1
5 is raised and lowered to the position indicated by the dashed line in FIG.
Is folded on the receiving tray main body 17. The loading table 15 is fixed to the mounting column 14 by rotating the loading table 15 upward to a solid line position, that is, a position overlapping the mounting column 14 and securing the pin 20 with the securing member 19.

【0016】その際、補助台18は適宜固定手段にて荷
受台本体17に固定しておく。前記状態にて格納用シリ
ンダ10を伸長させ、支持部材14及び取付部材11を
図3時計回りに約90度回動させて荷受台15を幾分降
下させ、図4の如く取付部材11を後方回動位置に固定
する。その後昇降用シリンダ21を縮小させて取付支柱
14及び荷受台15を略水平状態にて図5の如く車体2
下方の近接位置に格納する。
At this time, the auxiliary table 18 is fixed to the receiving table main body 17 by a fixing means as appropriate. In this state, the storage cylinder 10 is extended, and the support member 14 and the mounting member 11 are rotated approximately 90 degrees clockwise in FIG. 3 to lower the loading table 15 somewhat, and as shown in FIG. Fix in the pivot position. Thereafter, the elevating cylinder 21 is reduced, and the mounting column 14 and the loading table 15 are set in a substantially horizontal state as shown in FIG.
Store it in the lower proximity position.

【0017】その際、両リンク12、13は車体2及び
荷箱主桁5より外側方に位置するため両リンク12、1
3を車体2及び荷箱主桁5に邪魔されることなく上昇さ
せることができ、荷受台15を車体2下面に近接させる
ことができる。荷受台格納後はその状態にて走行する。
またプラットホ−ムが有る積卸場所では格納状態のまま
で荷箱1をプラットホ−ムに近づけ、後扉4を開いて積
卸作業を行なう。
At this time, since the two links 12, 13 are located outside the vehicle body 2 and the main girder 5 of the packing box, the two links 12, 1
3 can be raised without being disturbed by the vehicle body 2 and the main box girder 5, and the load receiving table 15 can be brought close to the lower surface of the vehicle body 2. After storing in the loading tray, the vehicle travels in that state.
In the loading / unloading place where the platform is present, the packing box 1 is brought close to the platform in the stored state, and the rear door 4 is opened to perform the loading / unloading operation.

【0018】[0018]

【発明の効果】以上の如く本発明は平行リンク機構が設
けられた取付部材を車体に対して回動可能に設け、取付
部材を回動させることにて荷受台を格納できるようにし
たので、従来の如く荷受台の格納スペ−スを確保するた
めに車体等の一部を切り欠く必要が無くなり、既存の車
両にも大幅な改造をすることなく簡単に取り付けること
ができる。
As described above, according to the present invention, the mounting member provided with the parallel link mechanism is provided rotatably with respect to the vehicle body, and the load receiving table can be stored by rotating the mounting member. It is not necessary to cut out a part of the vehicle body or the like in order to secure the storage space of the loading tray as in the related art, and it can be easily attached to an existing vehicle without significant modification.

【0019】また車体等を切り欠く必要が無いため従来
のような荷箱の強度を低下するという欠点を解消するこ
とができる。
Further, since there is no need to cut out the vehicle body or the like, it is possible to solve the conventional disadvantage of lowering the strength of the packing box.

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

【図1】本発明の積卸作業時の作動状態図である。FIG. 1 is an operation state diagram at the time of unloading work of the present invention.

【図2】図1のA−A図である。FIG. 2 is an AA diagram of FIG.

【図3】荷受台格納時の作動初期状態図である。FIG. 3 is an operation initial state diagram when the loading tray is stored.

【図4】荷受台格納時の作動中間状態図である。FIG. 4 is an operation intermediate state diagram when the loading tray is stored.

【図5】荷受台格納時の作動最終状態図である。FIG. 5 is an operation final state diagram when the loading tray is stored.

【符号の説明】[Explanation of symbols]

2 車体 3 荷台 8 支持部材 10 格納用シリンダ 11 取付部材 12 上部リンク 13 下部リンク 14 取付支柱 15 荷受台 21 昇降用シリンダ 2 Body 3 Carrier 8 Support member 10 Cylinder for storage 11 Mounting member 12 Upper link 13 Lower link 14 Mounting column 15 Loading table 21 Cylinder for lifting

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 荷台下方にて車体若しくは荷台に回動可
能に設けた左右一対の取付部材と、基部を、前記取付部
材の回動中心より離れた取付部材の一部に軸支するとと
もに先部を取付支柱に軸支して平行リンク機構を形成す
る上・下部リンクと、前記取付支柱に重合保持かつ水平
保持可能に軸支された荷受台と、前記車体若しくは荷台
に設けられ、重合保持された荷受台を車体の下方に格納
するため取付部材を回動させる第1駆動手段と、前記取
付部材に設けられ、水平保持された荷受台を昇降させる
ため前記上・下部リンクの少なくとも一方を回動させる
第2駆動手段とからなる荷受台昇降装置。
1. A pair of right and left mounting members rotatably provided on a vehicle body or a bed below a bed, and a base part, wherein the mounting part is
When it is pivotally supported on a part of the mounting member that is separated from the center of rotation of the material
A parallel link mechanism is formed by pivotally supporting the front end to the mounting column.
Upper and lower links and the mounting posts are superimposed and horizontal
A loading table supported so as to be able to be held, and the vehicle body or the loading table;
And store the stacking support that has been superimposed and held below the vehicle body.
First driving means for rotating the mounting member for
Lifting and lowering the loading tray provided on the attached member and held horizontally
To rotate at least one of the upper and lower links
A loading tray elevating device comprising a second driving means .
JP4419592A 1992-03-02 1992-03-02 Loading platform lifting device Expired - Lifetime JP2718590B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4419592A JP2718590B2 (en) 1992-03-02 1992-03-02 Loading platform lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4419592A JP2718590B2 (en) 1992-03-02 1992-03-02 Loading platform lifting device

Publications (2)

Publication Number Publication Date
JPH05238304A JPH05238304A (en) 1993-09-17
JP2718590B2 true JP2718590B2 (en) 1998-02-25

Family

ID=12684797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4419592A Expired - Lifetime JP2718590B2 (en) 1992-03-02 1992-03-02 Loading platform lifting device

Country Status (1)

Country Link
JP (1) JP2718590B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009973B2 (en) 1992-10-30 2000-02-14 極東開発工業株式会社 Safety device in the loading / unloading device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05262178A (en) * 1992-03-17 1993-10-12 Kyokuto Kaihatsu Kogyo Co Ltd Deck raising and lowering device
JP2753178B2 (en) * 1992-05-01 1998-05-18 極東開発工業株式会社 Loading platform lifting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009973B2 (en) 1992-10-30 2000-02-14 極東開発工業株式会社 Safety device in the loading / unloading device

Also Published As

Publication number Publication date
JPH05238304A (en) 1993-09-17

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