JPH084098A

JPH084098A - Side-ditch lid fitting/removing device

Info

Publication number: JPH084098A
Application number: JP6142932A
Authority: JP
Inventors: Mitsuyoshi Miyake; 光義三宅; Shunji Matsushima; 俊二松島
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-24
Filing date: 1994-06-24
Publication date: 1996-01-09
Anticipated expiration: 2013-01-28
Also published as: JP2706048B2

Abstract

PURPOSE:To reduce the labor required to remove a side-ditch lid by connecting the upper end of a guide part, connected to a holding part, to the action point of a lever, and pressing this lever to lift a lift arm. CONSTITUTION:A support 15 is fitted to the truck plane 13 of a hand truck 11 in such a way as to disperse load applied to the wheels 34 of the truck 11. A lift arm 2 is vertically lowered by a lever 3, and a holding part 8 hooks a rotating claw 10 to the cutout of a side-ditch lid 32. A rotating claw 9 is brought close to the cutout, and the rotating claw 10 is rotated downward to hold the side-ditch lid 32. The lever 3 is pushed up to lift the side-ditch lid 32, and the fulcrum in the rotating state of the lever 3 is shifted to remove the lid 32 from a side-ditch by the lift arm 2. The lifted lid 32 is transported with the lift arm 2 hooked to a stopper 22.

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、主にコンクリート製の
側溝蓋を側溝から脱着する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing a gutter cover mainly made of concrete from a gutter.

【０００２】[0002]

【従来の技術】道路に沿って設けられる側溝には、異物
の侵入防止、安全性等の観点から、一般に側溝蓋が被せ
てある。この側溝蓋は定厚のコンクリート製板で、互い
に密接状態で並べても脱着しやすいように、側縁に幅広
な切欠を設けてある。例えば側溝を清掃するために側溝
蓋を一時的に取外す必要が生じた場合、従来は、作業
者が前記切欠へ手を掛けて持上げる、作業者がバール
等でこじあける、若しくはフォークリフト等のアーム
付建機に専用のアタッチメントを取付けて持上げる、等
の手段によっていた。側溝蓋を元へ戻すには、それぞれ
逆の手順による。2. Description of the Related Art Gutters provided along a road are generally covered with a gutter lid from the viewpoint of preventing foreign matter from entering and safety. This gutter lid is a concrete plate with a constant thickness, and has wide notches on its side edges so that it can be easily attached and detached even if they are arranged in close contact with each other. For example, when it is necessary to temporarily remove the gutter lid to clean the gutter, conventionally, an operator raises the notch with his hand, the operator pries with a bar or the like, or an arm such as a forklift is attached. It was done by means such as attaching a dedicated attachment to the construction machine and lifting it. To return the gutter lid to the original, follow the reverse procedure.

【０００３】[0003]

【発明が解決しようとする課題】側溝蓋は、30〜50kgの
重量物で、通常、側溝蓋と側溝との間に砂等が詰まって
取外しにくい。そのため、上記の手段は、作業者の負
担が大きく、効率的な作業が期待しにくいし、の手段
でも、作業者の負担は変わらない上、バールを跳ね上げ
る等の危険性もある。この危険性を回避するため、特開
昭57-248号に見られるような側溝蓋の開閉運搬機が提案
されているが、側溝を一方から持上げる場合は、やはり
取外しにくいことには変わりはない。の手段は、機械
による作業となるので、作業者からこうした負担、危険
性を取り除く点で評価できるが、使用する装置は高価な
ので、経済的に不利なだけでなく、また側溝の一方の側
に壁や塀があると、装置を操作しにくい不便さが発生す
る。The gutter lid weighs 30 to 50 kg and is usually difficult to remove because sand or the like is clogged between the gutter lid and the gutter. Therefore, the above-mentioned means imposes a heavy burden on the operator, and it is difficult to expect an efficient work. Even with this means, the operator's burden remains unchanged, and there is a risk that the burl will bounce up. In order to avoid this danger, an opening / closing carrier for a gutter lid as proposed in Japanese Patent Laid-Open No. 57-248 has been proposed, but it is still difficult to remove if the gutter is lifted from one side. Absent. Since the means of working is mechanical work, it can be evaluated in terms of removing such burdens and dangers from the operator, but since the device used is expensive, it is not economically disadvantageous, and it is also possible to use it on one side of the gutter. The presence of walls and fences makes it difficult to operate the device.

【０００４】そこで、側溝蓋を取外し、元へ戻す一連の
作業から作業者を解放するため、この作業に適した装置
を開発することとした。しかも、作業の程度に合わせ、
あまり大がかりなものにならず、汎用性に富む、例えば
側溝の一方の側に壁や塀があっても、作業性が低下しな
いように対応できるような構造について留意して検討し
た。Therefore, in order to relieve the operator from a series of operations for removing the gutter lid and returning it to the original state, it was decided to develop an apparatus suitable for this operation. Moreover, according to the degree of work,
The structure was not so large, and was versatile, for example, a structure that can cope with the workability not decreasing even if there is a wall or a fence on one side of the gutter was examined.

【０００５】[0005]

【課題を解決するための手段】その結果、作り出したも
のは、側溝蓋の水平面よりも大きな開口部を台車平面に
有する手押台車と、側溝蓋を挟持しながらこの開口部を
通して上下動可能なリフトアームと、前記台車平面に着
脱自在な支柱とからなり、リフトアームは支柱に沿って
上下動可能なガイド部下端に側溝蓋を水平方向で挟持可
能な爪を有する挟持部を連結し、垂直面で回動するレバ
ーの作用点を前記ガイド部上端へ回動自在に連結し、こ
のレバーの支点を台車平面へ直立状態に取付けた支柱上
端に設けてなる側溝蓋脱着装置である。なお、本発明に
おいてガイド部下端、ガイド部上端及び支柱上端は、そ
れぞれ上端、下端及び上端、下端から一定の範囲を含む
ものとする。As a result, what has been created is capable of moving up and down through the hand truck having an opening larger than the horizontal plane of the gutter lid in the plane of the carriage, and while sandwiching the gutter lid. It consists of a lift arm and a pillar that can be attached to and detached from the plane of the trolley, and the lift arm has a guide portion that can move up and down along the pillar and a holding portion that has a claw that can hold the gutter lid in the horizontal direction. This is a gutter lid attaching / detaching device in which a point of action of a lever that rotates on a surface is rotatably connected to the upper end of the guide portion, and a fulcrum of the lever is provided on an upper end of a column mounted upright on the plane of the carriage. In the present invention, the lower end of the guide part, the upper end of the guide part, and the upper end of the support column include the upper end, the lower end, the upper end, and a certain range from the lower end, respectively.

【０００６】上記装置において、レバーの作用点は、両
端に回動軸を有する連結杆上端に軸着し、この連結杆は
下端をリフトアームのガイド部上端に軸着し、このレバ
ーの支点はレバーの軸線方向へ所定間隔をもって複数設
け、このレバーの回動に合わせて前記支点を順に支持す
る支点受けを支柱上端へ支点と同数設けるとよい。つま
り、レバーは回動にあわせて順次その支点を変位させる
ものが望ましい。この支点の変位は連続的、段階的とを
問わない。支柱は、台車平面に対して取付位置を変位可
能にするとよい。In the above device, the action point of the lever is pivotally attached to the upper end of the connecting rod having pivots at both ends, the lower end of the connecting rod is pivotally attached to the upper end of the guide portion of the lift arm, and the fulcrum of the lever is It is preferable that a plurality of fulcrums are provided at predetermined intervals in the axial direction of the lever, and that the same number of fulcrums as the fulcrums are provided at the upper end of the support column to sequentially support the fulcrums according to the rotation of the lever. That is, it is desirable that the lever sequentially displaces its fulcrum in accordance with the rotation. The displacement of this fulcrum may be continuous or stepwise. The support may be displaceable with respect to the plane of the carriage.

【０００７】本発明に用いる手押台車とは、一般に見ら
れる手押しハンドルを有する台車の台車平面に開口部を
設けたものでもよいが、水平枠のみから構成されるもの
でもよい。左右の車輪の間隔は、側溝よりも広くする。
台車の移動は、人力、機械力を問わない。リフトアーム
は、支柱を軌道として移動するガイドローラをガイド部
に取付けるとよい。リフトアームの挟持部は、間隔を開
けて面を対向させた板材のそれぞれ下端を内向きに折曲
げて掛止端を形成した一対の爪を有する構造にし、前記
間隔は伸縮可能に調整できるようにするのが好ましい。
この一対の爪の一方は固定(以後、固定爪と呼ぶ)し、他
方を対抗する方向の垂直面で回動可能(以後、回動爪と
呼ぶ)にするとよい。The hand truck to be used in the present invention may be an ordinary hand truck having a hand-held handle with an opening provided in the plane of the truck, or may be composed of only a horizontal frame. The distance between the left and right wheels should be wider than that of the gutters.
The trolley may be moved by either human power or mechanical power. The lift arm may have a guide roller attached to the guide portion that moves using the support post as a track. The holding portion of the lift arm has a structure having a pair of claws in which the lower ends of the plate members facing each other with a space therebetween are bent inward to form a hooking end, and the space can be adjusted to be expandable and contractible. Is preferred.
One of the pair of claws may be fixed (hereinafter, referred to as a fixed claw), and the other may be rotatable (hereinafter, referred to as a rotary claw) on a vertical surface in a direction opposite to the other.

【０００８】[0008]

【作用】本発明の側溝蓋脱着装置は、支柱上端に支点を
有するレバーを利用したてこの原理により、台車平面の
開口部から下方へ降ろしたリフトアームを、挟持部が側
溝蓋を挟持した状態で、開口部から上方へ引上げる、又
はその逆手順で側溝蓋を元へ戻す装置である。The gutter lid attaching / detaching device of the present invention uses a lever having a fulcrum at the upper end of the support column and, based on the lever principle, holds the lift arm lowered from the opening of the plane of the trolley with the holding portion holding the gutter lid. Then, the device is a device for returning the gutter lid to the original position by pulling it upward from the opening or vice versa.

【０００９】挟持部は、側溝蓋を挟持した状態で、上下
方向へは各爪の掛止端により側溝蓋を掛止して持上可能
であるが、前後方向へは回動爪が側溝蓋に押されて回動
することにより、挟持状態から解除状態又はその逆を自
在に行うことができる。この場合、ガイドローラが支柱
に軌道を保持されているので、挟持部を、安定して垂直
方向へまっすぐに上下動させることができる。[0009] The holding portion can hold the gutter cover in a vertical direction by the hooking ends of the claws while holding the gutter cover. By being pushed by and rotated, the pinched state can be freely changed to the released state or vice versa. In this case, since the guide roller holds the track on the column, the sandwiching section can be stably moved vertically in the vertical direction.

【００１０】リフトアームは、挟持部に連結したガイド
部上端を、連結杆を介し、支柱上端に支点を有するレバ
ーの作用点に連結してあり、このレバーを押さえてリフ
トアーム、すなわち挟持部で挟持した側溝蓋を上方へ持
上げる。この場合、レバーを押下げる力は、(作用点-支
点間の距離)と(支点-力点間の距離)との比に逆比例する
ので、前者を後者より短くすることにより、側溝蓋の取
外しに要する労力を軽減させることができる。In the lift arm, the upper end of the guide portion connected to the holding portion is connected to the point of action of a lever having a fulcrum at the upper end of the supporting column through a connecting rod. The lift arm, that is, the holding portion, is pressed by the lever. Lift the sandwiched gutter lid upward. In this case, the force to push down the lever is inversely proportional to the ratio of (distance between action point-fulcrum) and (distance between fulcrum-force point), so by making the former shorter than the latter, the removal of the gutter lid The labor required for can be reduced.

【００１１】このレバーにおいて、複数の支点を設け、
レバーの回動に伴い順次支点を移していくことで、(作
用点-支点間の距離)＝回動半径を段階的に伸ばし、作用
点の上下方向の移動量を大きくする。連結杆は、レバー
の回動により、作用点とガイド部上端との水平方向の位
置ずれを吸収し、またレバーを回動させる力をリフトア
ームに伝達する機能を有する。In this lever, a plurality of fulcrums are provided,
By gradually moving the fulcrum as the lever rotates, the distance between the fulcrum and the fulcrum = the radius of gyration is gradually increased, and the vertical movement amount of the operative point is increased. The connecting rod has a function of absorbing a horizontal positional deviation between the action point and the upper end of the guide portion due to the rotation of the lever, and transmitting a force for rotating the lever to the lift arm.

【００１２】支柱は、台車平面に対する取付位置を変え
ることができ、支柱に軌道を拘束されているリフトアー
ムも、また台車平面に対して位置を変えることができ
る。これにより、例えば、側溝の脇に壁等があった場
合、支柱を壁に近づけた位置に取付け、固定することに
より、台車平面と壁との干渉を抑えて側溝蓋の脱着作業
を行うことができる。The support column can be changed in its mounting position with respect to the plane of the carriage, and the lift arm whose track is restrained by the support column can also be changed in position with respect to the plane of the carriage. Thus, for example, when there is a wall or the like on the side of the gutter, by mounting and fixing the support column at a position close to the wall, it is possible to suppress the interference between the flat surface of the carriage and the wall and perform the work of attaching and detaching the gutter lid. it can.

【００１３】[0013]

【実施例】以下、本発明の側溝蓋脱着装置について、図
を参照しながら、その実施例の説明をする。図１は側溝
蓋脱着装置１の台車の進行方向の垂直断面図であり、図
２は同背面図である。この実施例における側溝蓋脱着装
置１は、長さ約700mm、幅約670mm、地上高約1700mmとい
う大きさである。リフトアーム２を持上げるためのレバ
ー３は、ガイド部４上端に軸着した連結杆５のもう一端
に作用点６を軸着し、その作用点６から軸線方向約55mm
の位置から35mm間隔で３ヵ所の支点７を配している。挟
持部８の対向する爪９,10の間隔は、460mmを基準として
−25mm、＋50mmの範囲で調整可能としている。Embodiments of the gutter lid attaching / detaching device of the present invention will be described below with reference to the drawings. FIG. 1 is a vertical cross-sectional view of the truck of the gutter lid attaching / detaching device 1 in the traveling direction, and FIG. 2 is a rear view of the same. The gutter lid attaching / detaching device 1 in this embodiment has a length of about 700 mm, a width of about 670 mm, and a ground clearance of about 1700 mm. The lever 3 for lifting the lift arm 2 has an action point 6 pivotally attached to the other end of the connecting rod 5 pivotally attached to the upper end of the guide portion 4, and about 55 mm from the action point 6 in the axial direction.
Three fulcrums 7 are arranged at 35 mm intervals from the position. The distance between the facing claws 9 and 10 of the holding portion 8 can be adjusted within a range of -25 mm and +50 mm with 460 mm as a reference.

【００１４】手押台車11は、長さ約700mm、約46mm角の
角材からなる側辺12,12を左右に配して、この側辺12,12
の前後に長さ約630mmの管材を架設したフレーム構造か
らなる台車平面13と、側辺12,12後端をかけ渡すように
立設した手押ハンドル14とから構成される。台車平面13
後端の管材は支柱15を支持する摺動軸16であり、支柱15
はこの摺動軸16に沿って左右に取付位置を移動させるこ
とができる。支柱15は、摺動軸16と手押ハンドル上縁の
水平軸17とに、断面Ｌ字形の取付部18を上方から被せる
ようにして取付ける。支柱15は、この取付部18を摺動軸
16、手押ハンドルの水平軸17とに摺動させることで、取
付位置を左右へ移動させ、所定の位置で締付ねじ19によ
り固定する。側辺上面には、側溝蓋を仮載置するために
側溝上面にかけ渡す棒材を収納したストッカ41を取付け
ている。The hand cart 11 has side edges 12 and 12 made of square timbers each having a length of about 700 mm and a length of about 46 mm and arranged on the left and right sides.
It is composed of a trolley flat surface 13 having a frame structure in which a pipe material having a length of about 630 mm is erected in front and rear thereof, and a hand handle 14 which is erected so as to bridge the rear ends of the side edges 12 and 12. Trolley plane 13
The pipe material at the rear end is the sliding shaft 16 that supports the support column 15.
The mounting position can be moved left and right along the sliding shaft 16. The column 15 is attached to the sliding shaft 16 and the horizontal shaft 17 at the upper edge of the hand handle so as to cover the mounting portion 18 having an L-shaped section from above. The column 15 uses this mounting portion 18 as a sliding shaft.
16. By sliding it on the horizontal shaft 17 of the hand-push handle, the mounting position is moved to the left and right, and it is fixed by a tightening screw 19 at a predetermined position. A stocker 41 is attached to the upper surface of the side edge, and a stocker 41 for accommodating a bar material to be placed on the upper surface of the gutter for temporarily mounting the gutter lid is mounted.

【００１５】支柱15は、支点受け20を含めて高さ約1100
mmの角材で、前述したように摺動軸16と手押ハンドルの
水平軸17とにそれぞれ対応した取付部18により台車平面
13へ垂直に取付け、締付ねじ19で固定している。支柱の
支点受け20は、レバーに設けた支点ＡＢＣに対応して、
支点受けａｂｃを設けてある。これら支点受けａｂｃ
は、上方へ凸の同心円上に配してあり、順次支持される
支点７がＡ→Ｂ→Ｃへと移行しやすいようにしている。
このほか、支柱15は、連結杆５の外れ防止を目的とした
線材枠からなるガイド21、持上げられたリフトアーム２
の状態保持を行うストッパ22を有している。The column 15 including the fulcrum receiver 20 has a height of about 1100.
With a square bar of mm, as described above, the bogie plane is provided by the mounting portions 18 corresponding to the sliding shaft 16 and the horizontal shaft 17 of the hand handle, respectively.
It is mounted vertically on 13 and fixed with tightening screw 19. The fulcrum support 20 of the column corresponds to the fulcrum ABC provided on the lever,
A fulcrum receiver abc is provided. These fulcrum receivers abc
Are arranged on a concentric circle that is convex upward so that the fulcrum 7 that is sequentially supported can easily move from A to B to C.
In addition, the support column 15 includes a guide 21 formed of a wire frame for the purpose of preventing the connecting rod 5 from coming off, and a lift arm 2 lifted.
It has a stopper 22 for holding the state.

【００１６】ストッパ22は、図３に見られるように、ス
トッパ片23に掛るストッパ爪37とストッパレバー38とを
同軸で支柱15へ軸着し、この支柱15との軸着部分を通過
しない位置関係でばね39により連結している。ストッパ
レバー38を押下げた場合、ばね39はストッパ爪下方40を
支柱方向へ引寄せ、ストッパ片を下方より掛止できる
(図３中実線)。この状態では、ストッパ爪37にリフトア
ーム２等の荷重が掛り、ストッパレバー38を回動させて
もストッパ片23の掛止状態を解除することはできない。
掛止状態を解除するには、まずストッパレバー38を上げ
てからリフトアーム２を若干持上げ、ばね39の力により
ストッパ爪37が支柱に引付けられた後にリフトアーム２
を降ろすことで行う。このストッパ22により、作業者は
一方の手でレバー３を操作しながらもう一方の手で、持
ち上げた側溝蓋32を上方で保持したり、逆にその保持を
解除して降ろすことができるようになる。As shown in FIG. 3, the stopper 22 is a position in which the stopper claw 37 and the stopper lever 38 hooked on the stopper piece 23 are coaxially attached to the support column 15 and do not pass through the portion where the support 15 is attached. It is connected by a spring 39 in a relationship. When the stopper lever 38 is pushed down, the spring 39 pulls the stopper claw lower portion 40 toward the column, and the stopper piece can be hooked from below.
(Solid line in Figure 3). In this state, the load of the lift arm 2 or the like is applied to the stopper claw 37, and the locked state of the stopper piece 23 cannot be released even if the stopper lever 38 is rotated.
To release the hooked state, first raise the stopper lever 38, then lift the lift arm 2 slightly, and the stopper claw 37 is attracted to the column by the force of the spring 39, and then the lift arm 2 is lifted.
By taking it down. With this stopper 22, the operator can hold the lifted gutter lid 32 upward with the other hand while operating the lever 3 with one hand, or conversely release the holding and lower it. Become.

【００１７】リフトアーム２は、レバー３の作用点６に
軸着した連結杆５を上端に軸着するガイド部４と、ガイ
ド部４下端から水平方向に突設した挟持部８とからな
る。上下方向の移動以外は支柱15に拘束されるように、
ガイド部４には、上方で支柱背面に摺動するガイドロー
ラ24、下方に支柱前面に摺動するガイドローラ25で支柱
15を挟持し、リフトアーム２の軌道を支柱15に沿った上
下方向に規制している。ガイド部４に連結した連結杆５
は、レバー３の回動により作用点６とガイド部４上端と
の水平位置のずれを吸収し、リフトアーム２の安定した
上下動を確保している。この連結杆５は支柱のガイド21
に挿入し、その変位量を規制している。The lift arm 2 is composed of a guide portion 4 which has a connecting rod 5 axially attached to an action point 6 of the lever 3 and which has an upper end thereof axially attached, and a holding portion 8 which horizontally projects from a lower end of the guide portion 4. Except for movement in the vertical direction, so that it is restrained by the column 15,
The guide part 4 includes a guide roller 24 that slides upward on the back of the column and a guide roller 25 that slides downward on the front of the column.
15 is sandwiched and the trajectory of the lift arm 2 is regulated in the vertical direction along the column 15. Connecting rod 5 connected to the guide portion 4
Absorbs the shift of the horizontal position between the action point 6 and the upper end of the guide portion 4 due to the rotation of the lever 3, thereby ensuring a stable vertical movement of the lift arm 2. This connecting rod 5 is a guide 21 for the column.
It is inserted into and regulates the amount of displacement.

【００１８】挟持部８は、ガイド部４直下に対応する位
置へ固定爪９、ガイド部４下端から前方へ向けて水平な
爪ガイド26を伸ばし、この爪ガイド26に挿入した伸縮材
27に回動爪10を設け、固定爪９と回動爪10との間隔を調
整可能にしている。伸縮材27の爪ガイド26に対する固定
は止めねじ28で行う。固定爪９は、垂直面がほぼ台形の
面材で、台形の下縁を内向き、かつ若干上向きに折曲げ
て掛止端29を形成している。回動爪10は、上方を内向き
に折曲げて制止面30を形成し、この制止面30が下方より
伸縮材27上面に支持されるように回動軸31を設けた以外
は、固定爪９と同じ形状である。この回動爪の制止面30
は、回動爪10が垂直平面を超えて回動して掛止端29が上
向かないように、回動爪10の回動を規制している。な
お、回動爪10の回動は、前記と逆方向には特に規制はし
ていない。The holding part 8 has a fixed claw 9 at a position corresponding to the position just below the guide part 4, a horizontal claw guide 26 extending from the lower end of the guide part 4 to the front, and an elastic material inserted into the claw guide 26.
The rotating claw 10 is provided on the 27, and the distance between the fixed claw 9 and the rotating claw 10 can be adjusted. The elastic material 27 is fixed to the claw guide 26 with a set screw 28. The fixed claw 9 is a surface member having a substantially trapezoidal vertical surface, and a lower end of the trapezoid is bent inward and slightly upward to form a hooking end 29. The rotary claw 10 is a fixed claw except that the upper surface is bent inward to form a stop surface 30 and the rotary shaft 31 is provided so that the stop surface 30 is supported on the upper surface of the elastic member 27 from below. It has the same shape as 9. Stop surface 30 of this rotating claw
Regulates the rotation of the rotation claw 10 so that the rotation claw 10 rotates beyond the vertical plane and the hooking end 29 does not face upward. The rotation of the rotating claw 10 is not particularly restricted in the opposite direction.

【００１９】以上のような構造を有する本実施例の側溝
蓋脱着装置１は、図４〜図８の図１相当図に示す手順に
より側溝蓋32の持上げ(側溝からの取外し)を行う。な
お、側溝蓋32の側溝への取付けはこの手順の逆なので、
以下では割愛する。準備としては、手押台車11に支柱1
5、リフトアーム２を既に取付、固定が終わり、挟持部
８の爪９,10の間隔も、対象となる側溝蓋32の切欠33,33
の間隔に調整した状態で、装置１を対象となる側溝蓋32
の上方へ移動させる。この移動は作業者が手押で行って
もよいが、手押台車に機械力を設けて駆動してもよい。
また、支柱15の取付けは、側溝の周囲、作業の関係か
ら、台車平面13に対して最も都合のよい位置に行う。通
常、台車平面13に対し、中心線上に支柱15を取付け、台
車の車輪34にかかる荷重を分散させるのがよい。In the gutter lid attaching / detaching device 1 of the present embodiment having the above structure, the gutter lid 32 is lifted (removed from the gutter) by the procedure shown in FIGS. 4 to 8 corresponding to FIG. Since the installation of the gutter lid 32 to the gutter is the reverse of this procedure,
I will omit it below. In preparation, prop 1 on hand truck 11
5, the lift arm 2 has already been attached and fixed, and the intervals between the claws 9 and 10 of the holding portion 8 are notches 33 and 33 of the target gutter lid 32.
The gutter cover 32 that is the target of the device 1 is adjusted to the interval of
Move above. This movement may be carried out manually by an operator, or may be driven by providing mechanical force to the hand truck.
Further, the support column 15 is mounted at the most convenient position with respect to the carriage plane 13 in view of the surroundings of the side groove and the working relationship. Normally, it is preferable to mount the support pillars 15 on the center line with respect to the carriage plane 13 to disperse the load applied to the wheels 34 of the carriage.

【００２０】まず、レバー３は支点軸Ａを支柱上端の支
点ａで受けて、レバー３をほぼ垂直状態にしてリフトア
ーム２を降ろす。それによって、挟持部８が開口部35を
通って降下し、作業対象となる側溝蓋の切欠33へ、まず
回動爪10を斜めにひっかけた状態が図４である。なお、
この状態では、固定爪９は作業対象となる側溝蓋32(図
４中実線、以下の図において同じ)と後方に位置する別
の側溝蓋(図４中二点鎖線、以下の図において同じ)との
間の切欠が形成する空間に挿入された状態にある。この
時、手押台車11については、回動爪10の前記状態を実現
するために位置の微調整を行う必要がある。この場合の
手押台車11の移動は、機械力ではなく、作業者による方
が実際的である。First, the lever 3 receives the fulcrum axis A at the fulcrum a at the upper end of the support column, puts the lever 3 in a substantially vertical state, and lowers the lift arm 2. As a result, the holding portion 8 descends through the opening 35, and the turning claw 10 is first obliquely hooked to the notch 33 of the gutter lid to be worked, as shown in FIG. In addition,
In this state, the fixed claw 9 has a gutter lid 32 (solid line in FIG. 4, the same in the following figures) to be worked and another gutter lid located in the rear (two-dot chain line in FIG. 4, the same in the following figures). It is in a state of being inserted into the space formed by the notch between and. At this time, it is necessary to finely adjust the position of the hand truck 11 in order to realize the above-mentioned state of the rotating claw 10. In this case, the movement of the hand truck 11 should be performed by an operator rather than by mechanical force.

【００２１】次に、上記状態から固定爪９を作業対象と
なる側溝蓋の対応する切欠33へ近づけていくと、回動爪
10は重力に従い、徐々に下方へ回動していく。固定爪９
が対応する切欠33に密接すると、同時に回動爪10も対応
する切欠33に接触して、図５に見られるように、固定爪
９、回動爪10のそれぞれの掛止端29,29が下方より切欠3
3,33を掛止し、側溝蓋32が挟持された状態となる。こう
して側溝蓋32をリフトアームの挟持部８が挟持したこと
を確認後、レバー３を徐々に押し下げて、側溝蓋32を持
上げていく。Next, when the fixed claw 9 is brought closer to the corresponding notch 33 of the gutter lid to be worked from the above state, the rotating claw 9 is rotated.
10 follows gravity and gradually rotates downward. Fixed claw 9
When each of them comes into close contact with the corresponding notch 33, the rotary claw 10 simultaneously comes into contact with the corresponding notch 33, and as shown in FIG. 5, the hooking ends 29, 29 of the fixed claw 9 and the rotary claw 10, respectively. Notch 3 from below
3,3 are hooked, and the gutter lid 32 is clamped. In this way, after confirming that the holding part 8 of the lift arm holds the gutter cover 32, the lever 3 is gradually pushed down to raise the gutter cover 32.

【００２２】最初のレバー３の回動は、支点Ａを支柱15
上端の支点ａで支持して行われる。その回動量が一定を
超えると、支点Ａと同じ軸線方向に配した支点軸Ｂが支
点ｂに当接し、ここからは支点軸Ｂを支点ｂで支持した
状態でレバー３の回動が連続して行われていく。この支
点軸Ａから支点軸Ｂへとレバー３の支点が移り変わる状
態を示したのが、図６である。図５と図６を比較する
と、リフトアームのガイド部４上端とレバーの作用点６
とを連結する連結杆５は、後方から前方へ(図６中では
右から左へ)大きく回動していて、作用点６の変位によ
るガイド部４上端とのずれを、連結杆５が吸収している
ことがわかる。For the first rotation of the lever 3, the fulcrum A is moved to the support column 15.
It is performed by supporting it at a fulcrum a at the upper end. When the amount of rotation exceeds a certain amount, the fulcrum shaft B arranged in the same axial direction as the fulcrum A contacts the fulcrum b, and from here on, the lever 3 continues to rotate with the fulcrum shaft B supported by the fulcrum b. Will be done. FIG. 6 shows a state in which the fulcrum of the lever 3 changes from the fulcrum axis A to the fulcrum axis B. 5 and 6 are compared, the upper end of the guide portion 4 of the lift arm and the action point 6 of the lever 6
The connecting rod 5 connecting the and is largely rotated from the rear side to the front side (from right to left in FIG. 6), and the connecting rod 5 absorbs the displacement from the upper end of the guide portion 4 due to the displacement of the action point 6. You can see that

【００２３】以後、上記同様、図７及び図８の側面図に
見られるように、支点Ｂを支点ｂで支持する回動状態か
ら支点Ｃを支点ｃで支持する回動状態へと移行するに連
れ、レバー３は大きく下向きになるまでに回動し、それ
に対応した量だけリフトアーム２、すなわち側溝蓋32を
持ち上げることができる。図８は、側溝蓋32を完全に側
溝から取り外した状態を表している。台車平面13は、側
溝蓋32の持上に干渉しないように、大きな開口部35（本
実施例では側辺12及び前後の管材からなる枠全体が相
当）を有する。Thereafter, similar to the above, as shown in the side views of FIGS. 7 and 8, the state of rotation in which the fulcrum B is supported by the fulcrum b is changed to the state of rotation in which the fulcrum C is supported by the fulcrum c. Along with this, the lever 3 is pivoted to a large degree downward, and the lift arm 2, that is, the gutter lid 32 can be lifted by an amount corresponding to it. FIG. 8 shows a state in which the gutter lid 32 is completely removed from the gutter. The carriage plane 13 has a large opening 35 (in this embodiment, the side frame 12 and the entire frame made up of the front and rear pipe members correspond to each other) so as not to interfere with the lifting of the gutter lid 32.

【００２４】持上げた側溝蓋32は、図８に見られる状
態で、リフトアーム２をストッパ22により掛止すること
で維持したまま運搬するか、図９に見られるように、
ストッカ41から棒材36,36を取出して側溝上へ架設し、
その棒材36,36上へ側溝蓋32を仮載置する。このの場
合には、側溝蓋32載置後、装置１は後輪34を軸に後方へ
傾けて挟持部の回動爪10を取外し、その傾斜させた状態
で装置１を後方に下げて後方の側溝蓋の取外作業に移る
又は片付ける。側溝蓋32を元の側溝へ戻すときには、こ
の逆手順でまず側溝蓋32を挟持してから一度持上げて棒
材36,36を除き、上記の逆で側溝へ戻すようになる。In the state shown in FIG. 8, the lifted gutter lid 32 is carried by the lift arm 2 while being held by being locked by the stopper 22, or as shown in FIG.
Take out the bars 36, 36 from the stocker 41 and erected on the side groove,
The gutter lid 32 is temporarily placed on the rods 36, 36. In this case, after the gutter lid 32 is placed, the device 1 tilts rearward about the rear wheel 34 to remove the rotating pawl 10 of the holding part, and lowers the device 1 rearward in the tilted state. Move to or remove the gutter lid of. When the gutter lid 32 is returned to the original gutter, the gutter lid 32 is first clamped by this reverse procedure, then lifted once to remove the bar members 36, 36, and the gutter lid 32 is returned to the gutter in the reverse order.

【００２５】[0025]

【発明の効果】本発明の側溝蓋脱着装置は、側溝蓋を側
溝から取り外す作業を、作業者自身が手作業で行うより
も安全に、かつ安定して行え、一方、従来のアーム付建
機を使用した場合よりも簡便に使用することができる。
また、装置自体が組立式とすることができ、必要に応じ
て組立、使用する以外は、コンパクトに収納、保管する
こともできる。これらの観点から、工事等において、全
作業に対する側溝蓋を取り外す作業の比率を大幅に軽減
できるため、経済的効果が高い。EFFECT OF THE INVENTION The gutter lid attaching / detaching device of the present invention enables the work of removing the gutter lid from the gutter to be performed more safely and more stably than an operator himself does, while the conventional construction machine with an arm is provided. It can be used more easily than when using.
In addition, the device itself can be an assembly type, and can be compactly stored and stored, except for being assembled and used as needed. From these viewpoints, the ratio of the work of removing the gutter lid to the total work in the construction work can be greatly reduced, so that the economical effect is high.

【００２６】使用における態様について見てみれば、支
柱を台車平面に対して移動させることができるので、例
えば、側溝の一方の側が壁等で台車を側溝蓋に対して左
右対称に設置できない場合でも、支柱を台車の左右いず
れかに変位させて立設することにより、壁と台車との干
渉を避け、通常と変わらぬ作業を行うことができる。ま
た、取外した側溝蓋は、台車で挟持した状態で運搬する
ことができるなど、本発明の装置は、構造が簡単な割に
応用力に富み、使い勝手がよいので、実用性が高いのも
特徴である。Looking at the mode of use, since the column can be moved with respect to the plane of the truck, even if one side of the gutter is a wall or the like and the truck cannot be installed symmetrically with respect to the gutter lid. By arranging the columns so as to stand upright on either side of the bogie, it is possible to avoid the interference between the wall and the bogie and perform the same work as usual. In addition, the removed gutter lid can be carried while being clamped by a trolley, and the device of the present invention is highly practical because it has a wide range of applications despite its simple structure. Is.

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

【図１】本発明の側溝蓋脱着装置の台車進行方向垂直断
面図である。FIG. 1 is a vertical cross-sectional view of a gutter lid attachment / detachment device of the present invention in a cart traveling direction.

【図２】同背面図である。FIG. 2 is a rear view of the same.

【図３】支柱とガイド部間に設けたストッパ、ストッパ
片の拡大図である。FIG. 3 is an enlarged view of a stopper and a stopper piece provided between a column and a guide portion.

【図４】側溝蓋を取外す作業の手順１を示す側溝蓋脱着
装置の図１相当図である。FIG. 4 is a view corresponding to FIG. 1 of a gutter lid attaching / detaching device showing a procedure 1 of an operation of removing the gutter lid.

【図５】側溝蓋を取外す作業の手順２を示す側溝蓋脱着
装置の図１相当図である。FIG. 5 is a view corresponding to FIG. 1 of the gutter lid attaching / detaching device showing a procedure 2 of an operation of removing the gutter lid.

【図６】側溝蓋を取外す作業の手順３を示す側溝蓋脱着
装置の図１相当図である。FIG. 6 is a view corresponding to FIG. 1 of a gutter lid attaching / detaching device showing a procedure 3 of an operation of removing the gutter lid.

【図７】側溝蓋を取外す作業の手順４を示す側溝蓋脱着
装置の図１相当図である。FIG. 7 is a view corresponding to FIG. 1 of a gutter lid attaching / detaching device showing a procedure 4 of an operation of removing the gutter lid.

【図８】側溝蓋を取外す作業の手順５を示す側溝蓋脱着
装置の図１相当図である。FIG. 8 is a view corresponding to FIG. 1 of a gutter lid attachment / detachment device showing a procedure 5 of the work of removing the gutter lid.

【図９】側溝蓋を取外す作業の手順６を示す側溝蓋脱着
装置の図１相当図である。FIG. 9 is a view corresponding to FIG. 1 of a gutter lid attaching / detaching device showing a procedure 6 of an operation of removing the gutter lid.

【符号の説明】[Explanation of symbols]

１側溝蓋脱着装置２リフトアーム３レバー５連結杆 11 手押台車 15 支柱 16 摺動軸 1 Gutter lid attachment / detachment device 2 Lift arm 3 Lever 5 Connecting rod 11 Hand cart 15 Strut 16 Sliding shaft

Claims

【特許請求の範囲】[Claims]

【請求項１】側溝蓋の水平面よりも大きな開口部を台
車平面に有する手押台車と、側溝蓋を挟持しながら該開
口部を通して上下動可能なリフトアームと、前記台車平
面に着脱が自在な支柱とからなり、リフトアームは支柱
に沿って上下動可能なガイド部下端に側溝蓋を水平方向
で挟持可能な爪を有する挟持部を連結し、垂直面で回動
するレバーの作用点を前記ガイド部上端へ回動自在に連
結し、該レバーの支点を台車平面へ直立状態に取付けた
支柱上端に設けてなる側溝蓋脱着装置。1. A hand truck having an opening larger than a horizontal surface of the gutter lid on a trolley plane, a lift arm that can move up and down through the opening while sandwiching the gutter lid, and is detachable from the dolly plane. The lift arm is composed of a pillar, and a lift arm connects a holding portion having a claw capable of holding the gutter lid in a horizontal direction to a lower end of a guide portion that can move up and down along the support pillar, and the action point of a lever that rotates in a vertical plane is described above. A gutter lid attachment / detachment device which is rotatably connected to the upper end of a guide part and is provided with the fulcrum of the lever on the upper end of a column mounted upright on the plane of the carriage.

【請求項２】請求項１記載のレバーの作用点は、両端
に回動軸を有する連結杆上端に軸着し、該連結杆は下端
をリフトアームのガイド部上端に軸着し、該レバーの支
点はレバーの軸線方向へ所定間隔をもって複数設けてな
り、該レバーの回動に合わせて前記支点を順に支持する
支点受けを支柱上端へ該支点と同数設けてなる側溝蓋脱
着装置。2. A lever according to claim 1, wherein an operating point of the lever is pivotally attached to an upper end of a connecting rod having rotating shafts at both ends thereof, and the lower end of the connecting rod is pivotally attached to an upper end of a guide portion of a lift arm. A plurality of fulcrums are provided at a predetermined interval in the axial direction of the lever, and fulcrum receivers that sequentially support the fulcrums in accordance with the rotation of the lever are provided on the upper end of the column in the same number as the fulcrums.

【請求項３】請求項１記載の支柱が、台車平面に対し
て取付位置を変位可能にしてなる側溝蓋脱着装置。3. A gutter lid attachment / detachment device in which the support of claim 1 is displaceable in its mounting position with respect to the plane of the carriage.