JPH0144549Y2 - - Google Patents
Info
- Publication number
- JPH0144549Y2 JPH0144549Y2 JP1984020085U JP2008584U JPH0144549Y2 JP H0144549 Y2 JPH0144549 Y2 JP H0144549Y2 JP 1984020085 U JP1984020085 U JP 1984020085U JP 2008584 U JP2008584 U JP 2008584U JP H0144549 Y2 JPH0144549 Y2 JP H0144549Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- support hole
- slide
- outer boom
- slide show
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Description
【考案の詳細な説明】
(a) 産業上の利用分野
本考案はクレーンやバツクホー等で使用される
伸縮ブームの分野で利用されるものである。[Detailed explanation of the invention] (a) Industrial application field The present invention is used in the field of telescopic booms used in cranes, backhoes, etc.
(b) 従来技術
従来の伸縮ブームには、内ブームの摺動をスム
ーズに行わせるために外ブームにスライドシユー
を設け、前記スライドシユーにて内ブームを支持
するようになつている。(b) Prior Art In a conventional telescopic boom, a slide shoe is provided on the outer boom to allow the inner boom to slide smoothly, and the inner boom is supported by the slide shoe.
ところが、前記スライドシユーは一枚板で且つ
外ブームを貫通させたボルトにより直接ネジ止め
されているため、スライドシユーが偏摩耗した場
合でも全体を交換しなければならず、またボルト
とスライドシユーのネジ孔との位置合わせが非常
に面倒であつた。 However, since the slide show is made of a single plate and is directly screwed on with bolts that pass through the outer boom, even if the slide show wears out unevenly, the entire slide show must be replaced, and the bolts and slide It was very troublesome to align the shoe with the screw hole.
(c) 考案の目的
本考案はスライドシユーを複数に分割し、分割
されたスライドシユーを外ブーム開口端部側より
外ブームの支持孔に挿入できるようにし、スライ
ドシユーの交換作業を容易にすることを目的とし
たものである。(c) Purpose of the invention The present invention divides the slide show into a plurality of parts, allows the divided slide shows to be inserted into the support hole of the outer boom from the open end side of the outer boom, and eliminates the work of replacing the slide show. It is intended to make it easier.
(d) 考案の構成
本考案は、外ブームと内ブームとからなる伸縮
ブームにおいて、外ブームの開口端部には支持孔
を設け、前記外ブーム外面には支持孔を閉鎖する
蓋板を設け、前記支持孔には、外ブームの肉厚よ
りも厚くするとともに複数に分割された内ブーム
支持用のスライドシユーを装着し、前記支持孔の
外ブーム開口端縁側には分割されたスライドシユ
ーの１つを通過させるに足る開口幅を有する挿入
口を設け、前記挿入口には挿入口を閉鎖しうると
ともに蓋板若しくは外ブームに取付けられたスト
ツパ部材を設けてなる伸縮ブームにおけるスライ
ドシユー取付構造に関するものである。(d) Structure of the invention The present invention is a telescopic boom consisting of an outer boom and an inner boom, in which a support hole is provided at the open end of the outer boom, and a cover plate is provided on the outer surface of the outer boom to close the support hole. , a slide shoe for supporting the inner boom, which is thicker than the outer boom and divided into a plurality of parts, is installed in the support hole, and the slide shoe divided into two is attached to the outer boom opening edge side of the support hole. A slide system for a telescopic boom, comprising: an insertion port having an opening width sufficient for passing one of the booms, and a stopper member that can close the insertion port and is attached to a cover plate or an outer boom. This relates to the U mounting structure.
(e) 実施例
以下実施例を図面にて説明すると、１は外ブー
ム２と内ブーム３とからなる伸縮ブームで該伸縮
ブーム１は内装された油圧シリンダ４にて伸縮作
動するようになつている。(e) Embodiment The following embodiment will be explained with reference to the drawings. 1 is a telescopic boom consisting of an outer boom 2 and an inner boom 3, and the telescopic boom 1 is telescopically operated by an internal hydraulic cylinder 4. There is.
５，５は内ブーム３基部に装着されたスライド
シユーであり、６，６は外ブーム２先部に装着さ
れた本考案の一部をなすスライドシユーであり、
前記スライドシユー５，５，６，６にて伸縮ブー
ム１の伸縮作動をスムーズに行わせるようになつ
ている。 5, 5 is a slide shoe attached to the base of the inner boom 3, 6, 6 is a slide shoe that is part of the present invention and is attached to the tip of the outer boom 2,
The slide shows 5, 5, 6, and 6 allow the telescopic boom 1 to extend and retract smoothly.
次に本考案のスライドシユー取付構造を上下同
一構造なので下方について説明すると、７は外ブ
ーム２先部下面に穿けられた長方形の支持孔で、
該支持孔７下方は外ブーム２外面に溶接された蓋
板８にて閉鎖されている。 Next, since the slide show mounting structure of the present invention has the same structure on the top and bottom, we will explain the bottom part. 7 is a rectangular support hole drilled in the bottom surface of the tip of the outer boom 2.
The lower part of the support hole 7 is closed by a cover plate 8 welded to the outer surface of the outer boom 2.
前記支持孔７にはスライドシユー６……が装着
されており、前記スライドシユー６……は左右方
向に略同一形状になるように３分割されており、
更に肉厚が外ブーム２より厚く、スライドシユー
６……上面が外ブーム２内面より突出するように
なつている。 A slide shoe 6... is mounted in the support hole 7, and the slide shoe 6... is divided into three parts so as to have substantially the same shape in the left and right direction,
Further, the wall thickness is thicker than that of the outer boom 2, and the upper surface of the slide show 6 protrudes from the inner surface of the outer boom 2.
前記支持孔７の外ブーム２先部側において、分
割されたスライドシユー６……のうち中央のスラ
イドシユー６に対向する位置に挿入口９が開口さ
れ、前記挿入口９は１個のスライドシユー６の幅
より幾分大きい開口幅を有しスライドシユー６…
…を１個ずつ挿入口９を通して支持孔７に装着で
きるようになつている。 An insertion port 9 is opened on the front end side of the outer boom 2 of the support hole 7 at a position facing the central slide shoe 6 among the divided slide shoes 6. The slide show 6 has an opening width somewhat larger than the width of the slide show 6...
... can be inserted into the support hole 7 one by one through the insertion port 9.
その際、２個のスライドシユー６，６を支持孔
７にて左右方向に移動させ、最後に中央のスライ
ドシユー６を装着するようになつている。１０は
挿入口９を閉鎖し、中央のスライドシユー６が抜
け出るのを防止するためのストツパ部材で、該ス
トツパ部材１０は蓋板８に一体にボルト１１，１
１止めされている。 At this time, the two slide shoes 6, 6 are moved in the left-right direction through the support hole 7, and the center slide shoe 6 is installed last. Reference numeral 10 denotes a stopper member for closing the insertion opening 9 and preventing the central slide show 6 from coming out.
1 is stopped.
１２……はスライドシユー６……前面に設けら
れたネジ孔で、該ネジ孔１２……にネジを装着す
ることにより、そのネジを持つてスライドシユー
６……を支持孔７にて移動させうるようになつて
いる。 12... is a screw hole provided on the front side of the slide shoe 6. By attaching a screw to the screw hole 12..., hold the screw and insert the slide shoe 6... into the support hole 7. It is now possible to move it.
なお、実施例では挿入口を中央のスライドシユ
ーに対向する位置に設けられているが、その位置
に限定するものではなく、左右いずれかの対向す
る位置であれば、同様の効果を有するものであ
る。 In addition, in the embodiment, the insertion port is provided at a position facing the central slide show, but the insertion port is not limited to that position, and the same effect can be obtained as long as the insertion port is located at either the left or right facing position. It is.
また、スライドシユーは３分割に限定するもの
でなく、２分割以上であれば同様の作用効果を有
するものである。 Further, the slide show is not limited to three divisions, and any division of two or more can have similar effects.
更にストツパ部材を外ブームに固定するように
しても同様の作用効果を有する。 Furthermore, similar effects can be obtained even if the stopper member is fixed to the outer boom.
本考案は前記の如き構成で、次にスライドシユ
ーを交換する場合についと説明すると、まずボル
ト１１，１１を外しストツパ部材１０を取り除い
て挿入口９を開放する。 The present invention has the above-described structure, and when replacing the slide show, first, the bolts 11, 11 are removed, the stopper member 10 is removed, and the insertion port 9 is opened.
次に各スライドシユー６……のネジ孔１２……
にネジを装着し、そのネジを持つて中央のスライ
ドシユー６を最初に挿入口９より外し、左右のス
ライドシユー６，６を中央に移動させた後、挿入
口９より外す。 Next, each slide show 6... screw hole 12...
Attach a screw, hold the screw, and first remove the center slide show 6 from the insertion port 9, move the left and right slide shows 6, 6 to the center, and then remove them from the insertion port 9.
各スライドシユー６……のうち摩耗しているも
のだけ交換し、前記と逆の操作にてスライドシユ
ー……を装着し、最後にストツパ部材１０をボル
ト１１，１１止めする。 Of each slide shoe 6..., only the one that is worn out is replaced, and the slide shoe... is installed by performing the reverse operation to the above, and finally, the stopper member 10 is fixed with bolts 11, 11.
(f) 考案の効果
以上の如く本考案は外ブームに支持孔を設け、
その支持孔に複数に分割されたスライドシユーを
装着し、且つ分割されたスライドシユーを支持孔
に装着するための挿入口を設け、その挿入口にス
ライドシユー抜け止めのためのストツパ部材を設
けるようにしたので、スライドシユーが偏摩耗し
た場合でも偏摩耗した部分のみを交換すればよ
く、非常に経済的である。(f) Effect of the invention As described above, the invention provides support holes in the outer boom,
A slide show divided into a plurality of parts is installed in the support hole, and an insertion port is provided for installing the divided slide show into the support hole, and a stopper member for preventing the slide show from coming off is provided in the insertion port. Because of this, even if the slide show wears unevenly, only the unevenly worn part needs to be replaced, which is very economical.
またスライドシユーを支持孔に装着するだけで
直接ボルト止めする必要がないので、交換作業が
非常に容易となり、且つボルト孔不要によりスラ
イドシユー全体をコンパクトにすることもでき
る。 In addition, since the slide show is simply attached to the support hole and there is no need to directly fasten it with bolts, replacement work is extremely easy, and the entire slide show can be made more compact since bolt holes are not required.
第１図は全体図、第２図は第１図Ａ−Ａ断面
図、第３図は第２図Ｂ−Ｂ断面図、第４図は組立
図である。
２は外ブーム、３は内ブーム、６はスライドシ
ユー、７は支持孔、８は蓋板、９は挿入口、１０
はストツパ部材。
1 is an overall view, FIG. 2 is a sectional view taken along line AA in FIG. 1, FIG. 3 is a sectional view taken along line BB in FIG. 2, and FIG. 4 is an assembled view. 2 is an outer boom, 3 is an inner boom, 6 is a slide show, 7 is a support hole, 8 is a cover plate, 9 is an insertion port, 10
is a stopper member.
Claims (1)
いて、外ブームの開口端部には支持孔を設け、前
記外ブーム外面には支持孔を閉鎖する蓋板を設
け、前記支持孔には、外ブームの肉厚よりも厚く
するとともに複数に分割された内ブーム支持用の
スライドシユーを装着し、前記支持孔の外ブーム
開口端縁側には分割されたスライドシユーの１つ
を通過させるに足る開口幅を有する挿入口を設
け、前記挿入口には挿入口を閉鎖しうるとともに
蓋板若しくは外ブームに取付けられたストツパ部
材を設けてなる伸縮ブームにおけるスライドシユ
ー取付構造。 In a telescopic boom consisting of an outer boom and an inner boom, a support hole is provided at the open end of the outer boom, a cover plate for closing the support hole is provided on the outer surface of the outer boom, and the support hole is provided with a cover plate for closing the support hole. A slide show for supporting the inner boom that is thicker than the wall thickness and divided into a plurality of parts is installed, and an opening sufficient to allow one of the divided slide shows to pass through is provided on the outer boom opening edge side of the support hole. 1. A slide show mounting structure for a telescopic boom, comprising: an insertion port having a width; and a stopper member that can close the insertion port and is attached to a cover plate or an outer boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008584U JPS60133892U (en) | 1984-02-14 | 1984-02-14 | Slide-shu mounting structure for telescopic boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008584U JPS60133892U (en) | 1984-02-14 | 1984-02-14 | Slide-shu mounting structure for telescopic boom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60133892U JPS60133892U (en) | 1985-09-06 |
| JPH0144549Y2 true JPH0144549Y2 (en) | 1989-12-22 |
Family
ID=30510246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008584U Granted JPS60133892U (en) | 1984-02-14 | 1984-02-14 | Slide-shu mounting structure for telescopic boom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60133892U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE534416C2 (en) * | 2009-11-30 | 2011-08-16 | Cargotec Patenter Ab | Telescopic device including a sliding element |
| SE534332C2 (en) * | 2009-11-30 | 2011-07-12 | Cargotec Patenter Ab | Telescopic device including a sliding element |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332548A (en) * | 1976-09-04 | 1978-03-27 | Nippon Guroobu Kk | Extendable boom reaction support mechanism |
| JPS5441503U (en) * | 1977-08-30 | 1979-03-20 | ||
| DE2833362A1 (en) * | 1978-07-29 | 1980-02-07 | Bayerische Motoren Werke Ag | STORAGE OF AN INPUT OR OUTPUT SHAFT IN A TRANSMISSION HOUSING, IN PARTICULAR A PINION SHAFT IN A REAR AXLE TRANSMISSION CASING OF PERSONAL VEHICLES |
-
1984
- 1984-02-14 JP JP2008584U patent/JPS60133892U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60133892U (en) | 1985-09-06 |
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