JP3822868B2 - Shaft handling equipment - Google Patents

Shaft handling equipment Download PDF

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Publication number
JP3822868B2
JP3822868B2 JP2003189271A JP2003189271A JP3822868B2 JP 3822868 B2 JP3822868 B2 JP 3822868B2 JP 2003189271 A JP2003189271 A JP 2003189271A JP 2003189271 A JP2003189271 A JP 2003189271A JP 3822868 B2 JP3822868 B2 JP 3822868B2
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JP
Japan
Prior art keywords
handling equipment
guide frame
shaft
scaffold
rope
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
JP2003189271A
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Japanese (ja)
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JP2005023624A (en
Inventor
一生 田口
法時 佐別當
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タグチ工業株式会社
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Priority to JP2003189271A priority Critical patent/JP3822868B2/en
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  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、主として立坑掘削のずり出しに用いる荷役装置に関し、詳しくはずりを収容したキブルを振れなく坑外へ引き上げて自動転倒させる技術に関する。
【0002】
【従来の技術】
従来、立坑掘削におけるずり出しは、ワイヤロープで坑内の切羽まで吊下したキブルに掘削したずりを収容後、同キブルを地上の巻上機でスカフォードを通過させて坑外へ引き上げ、立坑櫓で作業者がキブルを転倒させてずりを排出させている(例えば特許文献1参照)。
【0003】
ところで、立坑が深々度の場合、巻上機の巻き上げ速度やムラによりキブルの振れや回転が顕著になり、ずりを安定的に搬出できなくなる問題があった。また、ずりが収容されたキブルを転倒させる作業は労力を伴い危険でもあった。
【0004】
【特許文献1】
特開平7−269270号公報
【0005】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、従来のこれらの問題点を解消し、ずりを収容したキブルを振れなく坑外へ引き上げて自動転倒できるようにする立坑用荷役装置を提供することにある。
【0006】
【課題を解決するための手段】
かかる課題を解決した本発明の構成は、
1) 立坑内に複数本のワイヤロープを上下方向へ緊張状態に張架し、同ワイヤロープをガイドとして案内される案内フレームをワイヤロープに沿って昇降自在に設け、立坑内に昇降自在に吊下した荷役具の吊ロープを前記案内フレームに脱着自在に掛止し、荷役具の吊ロープの途中にストッパを設け、案内フレームに前記ストッパを横方向へ挿入させて掛止する掛止溝を設け、荷役具の吊ロープを横移動させることで案内フレームと脱着できるようにし、荷役具を案内フレームとともにワイヤロープに沿って昇降させることで荷役具の振れを低減できるようにした立坑用荷役装置
2) ストッパが、その上端が案内フレームの掛止溝の幅より細径で、下方に向かって掛止溝より拡径させてコーン状に形成したものである前記1)記載の立坑用荷役装置
3) 坑口の地上に架台を設け、同架台に荷役具を昇降させる吊ロープ巻上装置を横行自在に設け、同装置の横行でストッパを掛止溝に脱着できるようにした前記1)又は2)記載の立坑用荷役装置
4) 上下方向に張架したワイヤロープが、立坑内で吊昇降するスカフォードのワイヤロープである前記1)〜3)いずれか記載の立坑用荷役装置
5) スカフォードに荷役具が通過できる開口部を設け、スカフォードの上方に案内フレームを残して荷役具をスカフォードの下方へ自在に昇降できるようにした前記4)記載の立坑用荷役装置
にある。
【0007】
【作用】
本発明によれば、上下方向へ緊張状態に張架したワイヤロープに沿って昇降する案内フレームに荷役具のワイヤロープを脱着自在に掛止したことで、荷役具が案内フレームとともにワイヤロープに沿って昇降し、荷役具の吊支点から吊下位置までの距離に係らず振れや回転を低減して荷が安定的に搬入出される。
【0008】
【発明の実施の形態】
本発明の吊ロープ掛止手段としては、荷役具の吊ロープの途中にストッパを設け、案内フレームに前記ストッパを横方向へ挿入させて掛止する掛止溝を設け、荷役具の吊ロープを横移動させることで案内フレームと脱着できるようにした構成がシンプルで確実に掛止できるが、油圧又は電動の把持装置を用いてもよい。ストッパとしては、その上端が案内フレームの掛止溝の幅より細径で、下方に向かって掛止溝より拡径させてコーン状に形成したものが脱落し難くて好ましい。
【0009】
荷役具が地盤を掘削したずりを収容するキブルの場合は、坑口の地上に架台を設け、同架台に荷役具を昇降させる吊ロープ巻上げ装置を横行自在に設け、吊ロープ巻上装置の横行先に前記キブルを転倒させてずりを排出させるキブル転倒架台を設けると、人手を用いることなくずりを自動的に安全に排出できる。以下、本発明の実施例を図面に基づいて具体的に説明する。
【0010】
【実施例】
図1は実施例の立坑のずり出し装置の説明図、図2は図1の部分拡大図、図3は実施例の上段スカフォードの平面図、図4は実施例の下段スカフォードの平面図、図5,6は実施例の案内フレームの説明図、図7は実施例のキブルの昇降を示す説明図、図8は実施例のキブルの吊ロープの脱着を示す説明図、図9は実施例のずりの排出を示す説明図である。
【0011】
図中、1は立坑、2は坑口架台、3はスカフォード巻上機、4はスカフォードトップシーブ、5はワイヤロープ、6はスカフォード、6aは上段スカフォード、6bは下段スカフォード、6cは支柱、6dはスカフォード吊シーブ、6eは油圧ジャッキ、6fは開口部、7は積込機、8は天井クレーン、8aはクレーン架台、9は吊ロープ、9aはキブル吊金具、9bはストッパ、10はキブル、11は案内フレーム、11aはワイヤ孔、11bは掛止溝、12はキブル転倒架台、13はずりピット、Gは地面、Zはずりである。
【0012】
本実施例のずり出し装置は、図1〜5に示すように立坑1の坑口に坑口架台2を設置し、同坑口架台2にスカフォード6のワイヤロープ5を巻き上げるスカフォード巻上機3を取り付け、2本のワイヤロープ5をスカフォードトップシーブ4を介して坑内へ垂下し、ワイヤロープ5に2床式のスカフォード6を吊下している。
【0013】
スカフォード6は、上段スカフォード6aと下段スカフォード6bを支柱6cで支持し、上段スカフォード6a上に4体のスカフォード吊シーブ6dを取り付けてワイヤロープ5をスカフォードトップシーブ4を介して上下交互に巻回し、下段スカフォード6bの外周に立坑1内壁を押圧してスカフォード6を固定する油圧ジャッキ6eを複数取り付け、上段スカフォード6aと下段スカフォード6bにキブル10が通過する開口部6fを形成し、下段スカフォード6bの下部にずりZの積込機7を取り付けている。
【0014】
坑口架台2の上部にはクレーン架台8aを設け、キブル10の吊ロープ9を巻き上げる天井クレーン8をクレーン架台8aに沿って横行自在に設け、吊ロープ9をスカフォード6の開口部6fを通じて垂下させてずりZを収容するキブル10をキブル吊金具9aで脱着自在に掛止している。
【0015】
案内フレーム11は両側上下部にワイヤロープ5を挿通させるワイヤ孔11aをそれぞれ設け、中央部上端にキブル10の吊ロープ9を脱着自在に掛止する掛止溝11bを形成し、吊ロープ9と並行して垂下した2本のワイヤロープ5に沿って昇降自在に設けている。吊ロープ9のキブル吊金具9a近傍には、上端が掛止溝11bの幅より細径で下方に向かって掛止溝11bより拡径させてコーン状に形成したストッパ9bを固着している。
【0016】
天井クレーン8の横行先にはキブル10を転倒させて収容したずりZを排出するキブル転倒架台12を設け、ずりZの排出先に排出したずりZを貯留するずりピット13を設けている。
【0017】
本実施例では、スカフォード巻上機3を作動させてスカフォード6を立坑1内で切羽付近まで降下させた後、下段スカフォード6bの油圧ジャッキ6eで立坑1の内壁を圧接してスカフォード6を固定し、吊ロープ9を案内フレーム11の掛止溝11bに挿入してストッパ9bで掛止した状態で天井クレーン8を作動させ、吊下したキブル10を案内フレーム11とともにワイヤロープ5に沿って降下し、上段スカフォード6aの開口部6f上方で案内フレーム11がスカフォード吊シーブ6d上で停止すると図6に示すようにストッパ9bが掛止溝11bから脱離し、キブル10を開口部6fに通過させてさらに切羽まで降下させる。
【0018】
そして、積込機7で切羽のずりZをキブル10に収容した後、天井クレーン8でキブル10を上昇させ、スカフォード6の開口部6fを通過した時点で吊ロープ9のストッパ9bが案内フレーム11の掛止溝11bに掛止し、図7に示すようにキブル10が案内フレーム11とともにワイヤロープ5に沿って坑口まで上昇する。
【0019】
その後、天井クレーン8を横行させると図8(a),(b)に示すように吊ロープ9のストッパ9bが案内フレーム11の掛止溝11bから横方向へ脱離してキブル転倒架台12まで搬送され、図9に示すようにキブル10が転倒してずりZがずりピット13へ排出され、この工程を繰り返して立坑1内のずりZを排出していく。
【0020】
本実施例はこのように構成したから、上下方向へ緊張状態に張架されているワイヤロープ5に沿って昇降する案内フレーム11にキブル10の吊ロープ9を脱着自在に掛止したことで、キブル10が案内フレーム11とともにワイヤロープ9に沿って昇降し、キブル10の吊支点から吊下位置までの距離に係らず振れや回転を低減してずりZを安定的に搬出することができた。
【0021】
また、クレーン架台8a上を横行する天井クレーン8でキブル10を引き上げた後、横行させてキブル転倒架台12でキブル10を転倒させることで、労力を伴うことなく容易且つ安全にずりZを自動的に排出させることが可能となった。
【0022】
【発明の効果】
以上説明したように、本発明によればずりを収容したキブルを振れなく坑外へ引き上げて自動転倒し得る立坑用荷役装置を提供できる。
【図面の簡単な説明】
【図1】実施例の立坑のずり出し装置の説明図である。
【図2】図1の部分拡大図である。
【図3】実施例の上段スカフォードの平面図である。
【図4】実施例の下段スカフォードの平面図である。
【図5】実施例の案内フレームの説明図である。
【図6】実施例の案内フレームの説明図である。
【図7】実施例のキブルの昇降を示す説明図である。
【図8】実施例のキブルの吊ロープの脱着を示す説明図である。
【図9】実施例のずりの排出を示す説明図である。
【符号の説明】
1 立坑
2 坑口架台
3 スカフォード巻上機
4 スカフォードトップシーブ
5 ワイヤロープ
6 スカフォード
6a 上段スカフォード
6b 下段スカフォード
6c 支柱
6d スカフォード吊シーブ
6e 油圧ジャッキ
6f 開口部
7 積込機
8 天井クレーン
8a クレーン架台
9 吊ロープ
9a キブル吊金具
9b ストッパ
10 キブル
11 案内フレーム
11a ワイヤ孔
11b 掛止溝
12 キブル転倒架台
13 ずりピット
G 地面
Z ずり
[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a cargo handling apparatus mainly used for vertical shaft excavation, and more particularly to a technique for automatically tipping a kibble containing a bend to the outside of a mine without shaking.
[0002]
[Prior art]
Conventionally, for shaft excavation, the shaft drilled into a kibble suspended up to the face of the mine with a wire rope is accommodated, and then the kibble is pulled up through the scaffolding with a ground hoist, and the shaft is pulled up. Then, the worker falls the kibble and discharges the shear (see, for example, Patent Document 1).
[0003]
By the way, when the shaft is deep, there is a problem that the kibble swing and rotation become conspicuous due to the hoisting speed and unevenness of the hoisting machine, and the shearing cannot be carried out stably. In addition, the work of overturning the kibble in which the shears are housed is laborious and dangerous.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 7-269270
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide a shaft handling apparatus capable of solving these conventional problems and allowing the kibble containing the shear to be pulled out of the shaft without shaking and to be automatically overturned.
[0006]
[Means for Solving the Problems]
The configuration of the present invention that solves this problem is as follows.
1) A plurality of wire ropes are stretched in the vertical direction in the vertical shaft, and a guide frame guided by the wire rope as a guide is provided to be movable up and down along the wire rope. The hanging rope of the lowered cargo handling equipment is removably latched on the guide frame, a stopper is provided in the middle of the hanging rope of the cargo handling equipment, and a latching groove for latching the stopper by inserting the stopper laterally into the guide frame is provided. A shaft handling equipment that can be installed and removed from the guide frame by moving the suspension rope of the cargo handling equipment laterally, and that swinging of the cargo handling equipment can be reduced along with the guide frame along the wire rope. 2) The shaft load according to the above 1), wherein the stopper has a narrower top end than the width of the retaining groove of the guide frame and is formed in a cone shape by expanding the diameter downward from the retaining groove. 1) The suspension device is provided on the ground of the wellhead, and a hoisting rope hoisting device is provided on the platform so as to move up and down the cargo handling device. Or 2) Vertical shaft handling equipment
4) The shaft handling equipment according to any one of 1) to 3) above, wherein the wire rope stretched in the vertical direction is a scaffolding rope that hangs up and down in the shaft. 5) An opening through which the cargo handling equipment can pass through the scaffold. The shaft handling apparatus according to the above 4), in which a portion is provided so that the cargo handling equipment can be freely moved up and down below the scaffold while leaving a guide frame above the scaffold .
[0007]
[Action]
According to the present invention, since the wire rope of the cargo handling tool is detachably hooked on the guide frame that moves up and down along the wire rope stretched in a tension state in the vertical direction, the cargo handling tool along the wire rope along with the guide frame. As a result, the load is stably carried in and out regardless of the distance from the suspension fulcrum of the cargo handling equipment to the suspension position, with reduced swing and rotation.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
As the hanging rope hooking means of the present invention, a stopper is provided in the middle of the hanging rope of the cargo handling equipment, a latching groove for latching the stopper by inserting the stopper laterally is provided in the guide frame, and the hanging rope of the cargo handling equipment is provided. The structure that can be attached to and detached from the guide frame by lateral movement is simple and reliable, but a hydraulic or electric gripping device may be used. As the stopper, it is preferable that the upper end of the stopper has a smaller diameter than the width of the retaining groove of the guide frame and is formed in a cone shape by expanding the diameter downward from the retaining groove.
[0009]
In the case of a kibble that accommodates the excavation of the ground, the load handling equipment shall be provided with a pedestal above the wellhead, and a suspension rope hoisting device for raising and lowering the load handling equipment shall be provided on the pedestal so that it can traverse. If a kibble overturning stand that causes the kibble to fall and discharges the slip is provided, the slip can be automatically and safely discharged without using human hands. Embodiments of the present invention will be specifically described below with reference to the drawings.
[0010]
【Example】
FIG. 1 is an explanatory view of a vertical shaft extending device of the embodiment, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a plan view of the upper scaffold of the embodiment, and FIG. 4 is a plan view of the lower scaffold of the embodiment. 5 and 6 are explanatory views of the guide frame of the embodiment, FIG. 7 is an explanatory view showing raising and lowering of the kibble of the embodiment, FIG. 8 is an explanatory view showing detachment of the hanging rope of the kibble of the embodiment, and FIG. It is explanatory drawing which shows discharge | emission of the shear of an example.
[0011]
In the figure, 1 is a shaft, 2 is a wellhead, 3 is a scaffold hoist, 4 is a scaffold top sheave, 5 is a wire rope, 6 is a scaffold, 6a is an upper scaffold, 6b is a lower scaffold, 6c 6d is a hydraulic jack, 6e is a hydraulic jack, 6f is an opening, 7 is a loader, 8 is an overhead crane, 8a is a crane mount, 9 is a hanging rope, 9a is a kibble hanging bracket, and 9b is a stopper. Reference numeral 10 is a kibble, 11 is a guide frame, 11a is a wire hole, 11b is a retaining groove, 12 is a kibble overturning base, 13 slip pit, G is the ground, and Z slip.
[0012]
As shown in FIGS. 1 to 5, the sliding device according to the present embodiment includes a scaffold head hoist 3 that winds up a wire rope 5 of a scaffold 6 at a wellhead 2, which is installed at a wellhead of a shaft 1. The two wire ropes 5 are suspended in the mine via the scaffold top sheave 4, and a two-floor type scaffold 6 is suspended from the wire rope 5.
[0013]
The scaffold 6 supports the upper scaffold 6 a and the lower scaffold 6 b with the support 6 c, attaches four scaffold suspended sheaves 6 d on the upper scaffold 6 a, and attaches the wire rope 5 via the scaffold top sheave 4. A plurality of hydraulic jacks 6e, which are alternately wound up and down, are attached to the outer periphery of the lower scaffold 6b and press the inner wall of the shaft 1 to fix the scaffold 6. The opening through which the kibble 10 passes through the upper scaffold 6a and the lower scaffold 6b 6f is formed, and a loader 7 of shear Z is attached to the lower part of the lower stage scaffold 6b.
[0014]
A crane mount 8a is provided at the top of the wellhead mount 2, and an overhead crane 8 for winding the suspension rope 9 of the kibble 10 is provided so as to traverse along the crane mount 8a, and the suspension rope 9 is suspended through the opening 6f of the scaffold 6. The kibble 10 that houses the lever Z is detachably hooked by a kibble hanging bracket 9a.
[0015]
The guide frame 11 is provided with wire holes 11a through which the wire ropes 5 are inserted at both upper and lower parts, and a hook groove 11b for detachably hooking the hanging rope 9 of the kibble 10 is formed at the upper end of the center part. It is provided so as to be movable up and down along two wire ropes 5 hanging in parallel. In the vicinity of the kibble suspension fitting 9a of the suspension rope 9, a stopper 9b formed in a cone shape with its upper end narrower than the width of the retaining groove 11b and larger in diameter than the retaining groove 11b is fixed.
[0016]
A traverse destination of the overhead crane 8 is provided with a kibble overturning stand 12 for discharging the shear Z accommodated by overturning the kibble 10 and a shear pit 13 for storing the shear Z discharged at the destination of the shear Z.
[0017]
In this embodiment, the scaffold hoist 3 is operated to lower the scaffold 6 to the vicinity of the face in the shaft 1, and then the inner wall of the shaft 1 is pressed by the hydraulic jack 6e of the lower scaffold 6b. 6 is fixed, the suspension rope 9 is inserted into the retaining groove 11b of the guide frame 11 and is suspended by the stopper 9b, the overhead crane 8 is operated, and the suspended kibble 10 is attached to the wire rope 5 together with the guide frame 11. When the guide frame 11 stops on the scaffolding sheave 6d above the opening 6f of the upper scaffold 6a, the stopper 9b is detached from the latching groove 11b as shown in FIG. 6, and the kibble 10 is opened. Pass it to 6f and lower it further to the face.
[0018]
Then, after the cutting shear Z is accommodated in the kibble 10 by the loader 7, the kibble 10 is raised by the overhead crane 8, and when it passes through the opening 6 f of the scaffold 6, the stopper 9 b of the suspension rope 9 is moved to the guide frame. 11, the kibble 10 rises to the wellhead along the wire rope 5 together with the guide frame 11 as shown in FIG. 7.
[0019]
Thereafter, when the overhead crane 8 is traversed, the stopper 9b of the hanging rope 9 is detached laterally from the hooking groove 11b of the guide frame 11 and conveyed to the kibble overturning base 12 as shown in FIGS. 8 (a) and 8 (b). Then, as shown in FIG. 9, the kibble 10 falls and the shear Z is discharged to the shear pit 13, and this process is repeated to discharge the shear Z in the shaft 1.
[0020]
Since the present embodiment is configured as described above, the suspension rope 9 of the kibble 10 is detachably hooked on the guide frame 11 that moves up and down along the wire rope 5 stretched in the up-down direction. The kibble 10 was moved up and down along the wire rope 9 together with the guide frame 11, and the shear Z could be stably carried out with reduced vibration and rotation regardless of the distance from the hanging fulcrum of the kibble 10 to the suspended position. .
[0021]
Also, after lifting the kibble 10 with the overhead crane 8 traversing on the crane mount 8a, the kibble 10 is tilted with the kibble overturning stand 12 and then tilted automatically and safely without any effort. Can be discharged.
[0022]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a shaft handling apparatus capable of automatically falling by pulling up a kibble containing a shear to the outside without shaking.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view of a shaft driving device of an embodiment.
FIG. 2 is a partially enlarged view of FIG.
FIG. 3 is a plan view of the upper scaffold of the embodiment.
FIG. 4 is a plan view of the lower scaffold of the embodiment.
FIG. 5 is an explanatory diagram of a guide frame of the embodiment.
FIG. 6 is an explanatory diagram of a guide frame according to an embodiment.
FIG. 7 is an explanatory view showing raising and lowering of the kibble according to the embodiment.
FIG. 8 is an explanatory view showing the attachment / detachment of the hanging rope of the kibble of the embodiment.
FIG. 9 is an explanatory diagram showing shear discharge according to an embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vertical shaft 2 Wellhead mount 3 Scaffold hoist 4 Scaffold top sheave 5 Wire rope 6 Scaffold 6a Upper scaffold 6b Lower scaffold 6c Post 6d Scaffold hanging sheave 6e Hydraulic jack 6f Opening 7 Loading machine 8 Overhead crane 8a Crane stand 9 Suspension rope 9a Kibble hanging bracket 9b Stopper 10 Kibble 11 Guide frame 11a Wire hole 11b Stop groove 12 Kibble overturning stand 13 Shear pit G Ground Z Shear

Claims (5)

立坑内に複数本のワイヤロープを上下方向へ緊張状態に張架し、同ワイヤロープをガイドとして案内される案内フレームをワイヤロープに沿って昇降自在に設け、立坑内に昇降自在に吊下した荷役具の吊ロープを前記案内フレームに脱着自在に掛止し、荷役具の吊ロープの途中にストッパを設け、案内フレームに前記ストッパを横方向へ挿入させて掛止する掛止溝を設け、荷役具の吊ロープを横移動させることで案内フレームと脱着できるようにし、荷役具を案内フレームとともにワイヤロープに沿って昇降させることで荷役具の振れを低減できるようにした立坑用荷役装置。A plurality of wire ropes are stretched in the vertical direction in the vertical shaft, and a guide frame guided by the wire rope as a guide is provided so as to be movable up and down along the wire rope. A suspension rope of the cargo handling equipment is detachably latched on the guide frame, a stopper is provided in the middle of the suspension rope of the cargo handling equipment, a latching groove for latching the guide frame by inserting the stopper laterally is provided, A shaft handling equipment that can be attached to and detached from the guide frame by laterally moving the hanging rope of the cargo handling equipment, and that the swing of the cargo handling equipment can be reduced along with the guide frame along the wire rope. ストッパが、その上端が案内フレームの掛止溝の幅より細径で、下方に向かって掛止溝より拡径させてコーン状に形成したものである請求項1記載の立坑用荷役装置。 2. The shaft handling apparatus according to claim 1, wherein the stopper has a cone shape in which the upper end is narrower than the width of the retaining groove of the guide frame and is expanded downward from the retaining groove . 坑口の地上に架台を設け、同架台に荷役具を昇降させる吊ロープ巻上装置を横行自在に設け、同装置の横行でストッパを掛止溝に脱着できるようにした請求項1又は2記載の立坑用荷役装置 3. A suspension rope hoisting device is provided on the ground of the wellhead, and a hoisting rope hoisting device for raising and lowering the cargo handling device is provided on the same platform so that the stopper can be attached to and detached from the retaining groove. Vertical shaft handling equipment . 上下方向に張架したワイヤロープが、立坑内で吊昇降するスカフォードのワイヤロープである請求項1〜3いずれか記載の立坑用荷役装置。 The shaft handling equipment according to any one of claims 1 to 3, wherein the wire rope stretched in the vertical direction is a scaffolding wire rope suspended and raised in the shaft. スカフォードに荷役具が通過できる開口部を設け、スカフォードの上方に案内フレームを残して荷役具をスカフォードの下方へ自在に昇降できるようにした請求項4記載の立坑用荷役装置。 The shaft handling equipment according to claim 4, wherein an opening through which the cargo handling equipment can pass is provided in the scaffold, and the cargo handling equipment can be freely moved up and down below the scaffold while leaving a guide frame above the scaffold .
JP2003189271A 2003-07-01 2003-07-01 Shaft handling equipment Expired - Fee Related JP3822868B2 (en)

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