JPH0741283A - Overhead crane with turning jib - Google Patents

Overhead crane with turning jib

Info

Publication number
JPH0741283A
JPH0741283A JP19132193A JP19132193A JPH0741283A JP H0741283 A JPH0741283 A JP H0741283A JP 19132193 A JP19132193 A JP 19132193A JP 19132193 A JP19132193 A JP 19132193A JP H0741283 A JPH0741283 A JP H0741283A
Authority
JP
Japan
Prior art keywords
swivel
hoisting
jib
horizontal
boom
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.)
Withdrawn
Application number
JP19132193A
Other languages
Japanese (ja)
Inventor
Hiroki Muramoto
廣毅 村本
Original Assignee
Mitsubishi Heavy Ind Ltd
三菱重工業株式会社
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 Mitsubishi Heavy Ind Ltd, 三菱重工業株式会社 filed Critical Mitsubishi Heavy Ind Ltd
Priority to JP19132193A priority Critical patent/JPH0741283A/en
Publication of JPH0741283A publication Critical patent/JPH0741283A/en
Withdrawn legal-status Critical Current

Links

Abstract

PURPOSE:To provide an overhead crane with a turning jib which can adjust the inclination of a hanging load, can perform inching control for landing or leaving floor of a hanging load, and can horizontally rotationally move a hanging load in a wide anular range against the turning jib. CONSTITUTION:A horizontal turning beam 17 rotatably fitted to a vertical shaft 18 at its center part is rotationally movably provided on the underside part close to the extreme end of a horizontally overhang boom 11, and it is driven by means of a drive motor 21 so as to horizontally rotationally move. Hoisting ropes paid out from a pair of hoisting drums 13, 14 hangingly support a hanging beam 19 through sheaves and thereafter the ends of the hoisting ropes are fasteningly fitted to gear jacks 15, 16, the hanging load is vertically moved or the inclination is adjusted by means of the hoisting drums 13, 14, and inching control of the hanging load can be performed by means of the gear jacks 15, 16.

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、ビルの建造等に使用す
る旋回ジブ付き天井クレーンの改良に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an overhead crane with a swiveling jib for use in building construction.
【0002】[0002]
【従来の技術】図4に、従来の旋回ジブ付き天井クレー
ンを示す。図において、01は天井部の軌条02を走行
する走行ガーダー、03は走行ガーダー01の横行軌条
上を横行するトロリー、04は同トロリー03の旋回駆
動機構05を介して懸架された旋回ジブである。旋回ジ
フ04は、水平な張出しブーム06と、旋回モーター0
7と、巻上装置08を備えていて、走行ガーダー01の
走行、トロリー03の横行と共に、ジブ04の旋回を組
み合わせて所定の位置へジブ04先端を移動させ、巻上
装置08の駆動で建築部材09等を吊り上げ搬送する。
2. Description of the Related Art FIG. 4 shows a conventional overhead crane with a swing jib. In the figure, 01 is a traveling girder traveling on a rail 02 on the ceiling, 03 is a trolley traversing the traverse rail of the traveling girder 01, and 04 is a swivel jib suspended via a swivel drive mechanism 05 of the trolley 03. . The swivel jiff 04 has a horizontal overhang boom 06 and a swivel motor 0.
7 and the hoisting device 08 are combined, the traveling girder 01 travels, the trolley 03 traverses, the jib 04 turns to combine to move the tip of the jib 04 to a predetermined position, and the hoisting device 08 drives. The member 09 and the like are hoisted and conveyed.
【0003】[0003]
【発明が解決しようとする課題】ビルの建造時には、梁
は建物の長さ又は幅方向に接合して組み立てられるた
め、天井クレーンによる建築部材09の搬送においても
横吊りした部材09を、クレーンガーダー01の走行方
向に又はトロリー03の横行方向と平行に建設現場に降
ろしクレーンで位置合わせすることが多くなる。
When constructing a building, the beams are assembled by joining them in the length or width direction of the building. Therefore, even when the building member 09 is transported by an overhead crane, the member 09 which is horizontally hung is attached to the crane girder. More often, it is lowered to the construction site in the traveling direction of 01 or parallel to the traverse direction of the trolley 03 and aligned with the crane.
【0004】従来の前記クレーンでは、旋回ジブ04の
先端フックに建築部材等09を横吊りした場合、フック
部分の吊り荷だけを旋回させる機構を持たないから、作
業者が手で吊り荷を回して方向を調節し着床させる方法
で作業を行い、作業に多大な危険を伴っている。
In the above-mentioned conventional crane, when a construction member 09 is horizontally hung on the tip hook of the swivel jib 04, since there is no mechanism for swinging only the suspended load of the hook portion, the operator manually rotates the suspended load. The work is carried out by adjusting the direction and landing, which poses a great risk to the work.
【0005】この作業の危険を解消するために、旋回ジ
ブ04の先端フックに吊った吊りビームを旋回ジブ04
に対し水平回動させる機構が検討されているが、充分な
水平回動量を得ることが仲々困難である。
In order to eliminate the danger of this work, a suspension beam hung on the tip hook of the swivel jib 04 is swung.
On the other hand, a mechanism for horizontally rotating is studied, but it is difficult to obtain a sufficient amount of horizontal rotation.
【0006】他方、ビル等の建設現場では、横吊り搬送
する部材09の左右の端の向きが特定されている時、部
材09の降ろし位置によってしばしば±45°を越える
水平回動が必要になり、新しい水平回動機構が求められ
ている。
On the other hand, at a construction site such as a building, when the left and right ends of the member 09 to be horizontally suspended and conveyed are specified, the horizontal position of the member 09 often requires more than ± 45 ° depending on the lowered position. , A new horizontal rotation mechanism is required.
【0007】本発明は、前記の従来の旋回ジブ付き天井
クレーンのもつ問題点を解消して、吊りビームを±45
°を越えて充分に水平回動させることの可能な装置を提
供しようとするものである。
The present invention solves the above-mentioned problems of the conventional overhead crane with a swing jib and makes the suspension beam ± 45.
An object of the present invention is to provide a device that can be sufficiently horizontally rotated by exceeding 0 °.
【0008】[0008]
【課題を解決するための手段】本発明は、天井走行ガー
ダーに対して横行するトロリーに水平張出しブーム付き
旋回ジブを旋回可能に取付けた旋回ジブ付き天井クレー
ンにおいて、前記水平張出しブームの先端に近い下面部
に水平面内に回動可能に中央部が軸着された水平の旋回
ビームと;同旋回ビームを水平回動させる駆動手段と;
前記旋回ジブ上の一対の巻上げドラムから繰り出され前
記水平張出しブーム沿いに導かれた一対の巻上げロープ
を、前記旋回ビーム両翼のガイドシーブから下方の吊り
ビームの両端シーブへ往復して吊りビームを吊支え、前
記水平張出しブームの先端のシーブを経て張出しブーム
沿いに後方へ導き、この一対の巻上げロープ端をそれぞ
れ水平張出しブーム後部の一対の低速駆動手段に繋着し
た巻上げロープ系とを設けた。
SUMMARY OF THE INVENTION The present invention is an overhead crane with a swivel jib in which a swivel jib with a horizontal boom is rotatably attached to a trolley traversing an overhead traveling girder, and the crane is close to the tip of the horizontal boom. A horizontal swivel beam whose central portion is rotatably pivoted in a horizontal plane on a lower surface; drive means for horizontally rotating the swivel beam;
A pair of hoisting ropes, which are unwound from a pair of hoisting drums on the swivel jib and guided along the horizontal overhang boom, reciprocate from the guide sheaves of both wings of the swivel beam to both end sheaves of the lower hoisting beam to suspend the hoisting beam. A hoisting rope system is provided in which the pair of hoisting rope ends are supported and guided rearward along the boom over the sheave at the tip of the horizontal boom, and the pair of hoisting rope ends are connected to a pair of low speed driving means at the rear of the horizontal boom.
【0009】[0009]
【作用】本発明によると、一対の巻上げドラムと一対の
低速駆動手段を停止した状態のもとで、旋回ビームの駆
動手段を正逆に駆動すると、旋回ビームが張出しブーム
に対し、右または左に旋回し、±45°を越えた旋回ビ
ームすなわち吊りビームの水平回動が可能になる。
According to the present invention, when the driving means for the turning beam is driven in the reverse direction with the pair of hoisting drums and the pair of low speed driving means stopped, the turning beam moves right or left with respect to the boom. The swing beam, that is, the hanging beam, which exceeds ± 45 °, can be horizontally rotated.
【0010】また、旋回ビームを任意の水平角度に調節
固定した状態下で、一対の巻上げドラムを一斉に巻出し
または巻取り駆動すると、吊りビームが左右並行して下
降または上昇する。
Further, when the pair of hoisting drums are unwound or taken up in unison while the orbiting beam is adjusted and fixed at an arbitrary horizontal angle, the suspension beams descend and rise in parallel to the left and right.
【0011】また、旋回ビームを任意の水平角度に調節
固定した状態で、左右何れかの巻上げドラムを巻出し又
は巻取りに駆動すると、その駆動されるドラム側の吊り
ビームの端が下降または上昇し、吊り荷部材の傾斜を調
節することができる。
When either the left or right hoisting drum is driven to unwind or wind while the swivel beam is adjusted and fixed at an arbitrary horizontal angle, the end of the hanging beam on the side of the driven drum descends or rises. However, the inclination of the hanging member can be adjusted.
【0012】巻上げドラム及び旋回ビームを水平回動さ
せる駆動手段を停止した状態下で、巻上げロープ端を繋
着した一対の低速駆動手段を同時に低速度で駆動する
と、吊り部材を緩い速度で下降しまたは上昇させる所謂
インチング制御を行うことができる。
When a pair of low speed driving means connected to the ends of the hoisting rope are simultaneously driven at a low speed while the driving means for horizontally rotating the hoisting drum and the orbiting beam are stopped, the hanging member is lowered at a slow speed. Alternatively, so-called inching control for raising the height can be performed.
【0013】また、巻上げドラム及び旋回ビームを水平
回動させる駆動手段を停止した状態下で、左右何れかの
巻上げロープ端を繋着した低速駆動手段だけを操作する
と、操作した側の吊り部材の端だけが緩く下降または上
昇して吊り部材のインチング制御による傾斜調節を行う
ことができる。
Further, when only the low-speed driving means connecting either end of the hoisting rope to the hoisting drum is operated while the hoisting drum and the driving means for horizontally rotating the revolving beam are stopped, the hanging member on the operated side is operated. Only the end can be gently lowered or raised to adjust the inclination by inching control of the suspension member.
【0014】[0014]
【実施例】以下、本発明の一実施例を、図1ないし図3
によって説明する。図1及び図2において、1は天井部
下面2に設けた軌条3に駆動車輪部4で係合し走行する
天井クレーンの走行ガーダー、5は同走行ガーダー1の
軌条6に駆動車輪部7で係合し横行するトロリー、8は
同トロリー5の旋回機構9にポスト部10を旋回可能に
係合して支持された旋回ジブである。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.
Explained by. In FIGS. 1 and 2, reference numeral 1 denotes a traveling girder of an overhead crane that engages with a rail 3 provided on a lower surface 2 of a ceiling at a driving wheel portion 4 and 5 denotes a driving wheel portion 7 on a rail 6 of the traveling girder 1. A trolley which is engaged and traverses is a swivel jib 8 which is supported by a swivel mechanism 9 of the trolley 5 in which a post portion 10 is swivelably engaged.
【0015】11は前方(図1における左方)へ張出し
た旋回ジブ10の水平な張出しブーム、12は旋回ジブ
10の後部に設けられた機械台、13,14は機械台1
2上に対称に設けた独立または連動して駆動可能な一対
の巻上げドラム、15,16はポスト部10に近い位置
において張出しブーム11上面に設けられた後述する巻
上げロープ端を繋着する低速駆動手段としての一対のギ
ヤージャッキである。17は中央部が縦軸18に固定さ
れ、かつ、先端に近い張出しブーム11の下面部に同縦
軸18で軸着された水平の旋回ビーム、19は旋回ビー
ム17に後述する巻上げロープ系で吊り支えられ両端に
吊り荷を吊るフック19a,19aを備えた吊りビー
ム、20は旋回ビーム17の縦軸18の上端をトンネル
状に覆う張出しブーム11上の台、21は台20上に設
けた前記縦軸18端に係合して縦軸18を介して旋回ビ
ーム17を水平回動させる駆動モーターである。
Reference numeral 11 denotes a horizontal overhanging boom of the swivel jib 10 which is extended forward (to the left in FIG. 1), 12 is a machine base provided at the rear portion of the swivel jib 10, and 13 and 14 are machine bases 1.
A pair of hoisting drums 15 and 16 symmetrically provided on the upper and lower parts, which can be driven independently or in conjunction with each other, are low-speed drives for connecting hoisting rope ends, which will be described later, provided on the upper surface of the overhanging boom 11 at a position near the post portion 10. It is a pair of gear jacks as a means. Reference numeral 17 denotes a horizontal swivel beam whose central portion is fixed to the vertical axis 18 and which is axially attached to the lower surface of the overhanging boom 11 near the tip end thereof by the vertical axis 18, and 19 denotes a swivel beam 17 which is a hoisting rope system described later. A suspension beam which is suspended and supported and has hooks 19a for suspending a suspended load at both ends thereof, 20 is a platform on the overhanging boom 11 that covers the upper end of the vertical axis 18 of the revolving beam 17 in a tunnel shape, and 21 is provided on the platform 20. A drive motor that engages with the end of the vertical axis 18 and horizontally rotates the revolving beam 17 via the vertical axis 18.
【0016】図3に前記旋回ジブ8上に装着した巻上げ
ロープ系を示す。以下図1ないし図3を含めて参照しな
がら、巻上げロープ系について説明する。図3におい
て、22、及び23は一端をそれぞれ前記一対の巻上げ
ドラム13,14に巻止めて巻出し又は巻取られる巻上
げロープ、24a,24bはそれぞれポスト部10と旋
回ビーム17部との間で張出しブーム11の下面側部左
右に張出して設けた一対のガイドシーブである。また、
25a,25bはそれぞれシーブ24a,24bの中央
の直ぐ前方位置の張出しブーム下面に2段に設けたガイ
ドシーブ、26a,26bは旋回ビーム17の上部中央
に前記縦軸18回りに回動可能に支持された2段のガイ
ドシーブ、27a,27bと28a,28bは、それぞ
れ旋回ビーム17の両端上面に設けた水平ガイドシーブ
と垂直ガイドシーブ、29a,29bはそれぞれ吊りビ
ーム19の両端に設けた一対のシーブ、30a,30b
と31a,31bはそれぞれ旋回ビーム17の両端下面
に設けた垂直ガイドシーブと水平ガイドシーブである。
また、32a,32bは旋回ビーム17の下面部に前記
縦軸18回りに回動可能に支持された2段のガイドシー
ブ、33a,33bと34a,34bはそれぞれ張出し
ブーム11の先端の下部と上部に設けた垂直ガイドシー
ブ、35は台20内の縦軸18回りに回動可能に取付け
られたガイドシーブである。
FIG. 3 shows a hoisting rope system mounted on the turning jib 8. The hoisting rope system will be described below with reference to FIGS. 1 to 3. In FIG. 3, reference numerals 22 and 23 denote hoisting ropes, one end of which is wound around the pair of hoisting drums 13 and 14 and unwound or wound, and 24a and 24b are respectively provided between the post portion 10 and the swivel beam 17 portion. It is a pair of guide sheaves that are provided to the left and right of the lower surface side of the overhang boom 11. Also,
25a and 25b are guide sheaves provided in two stages on the lower surface of the boom that is located just forward of the center of the sheaves 24a and 24b, and 26a and 26b are rotatably supported around the vertical axis 18 at the upper center of the revolving beam 17. The two guide sheaves, 27a, 27b and 28a, 28b, are horizontal guide sheaves and vertical guide sheaves provided on the upper surfaces of both ends of the swivel beam 17, and 29a, 29b are a pair of sheaves provided on both ends of the hanging beam 19, respectively. Sheave, 30a, 30b
31a and 31b are vertical guide sheaves and horizontal guide sheaves provided on the lower surfaces of both ends of the revolving beam 17, respectively.
Further, 32a and 32b are two-stage guide sheaves supported on the lower surface of the revolving beam 17 so as to be rotatable around the vertical axis 18, and 33a and 33b and 34a and 34b are lower and upper portions of the tip of the overhanging boom 11, respectively. A vertical guide sheave 35 is provided in the table 20 and is a guide sheave rotatably mounted around the vertical axis 18 in the base 20.
【0017】前記巻上げロープ22は、ガイドシーブ2
4a,25a,26a,27a,28a,29a,30
a,31a,32a,33a,34a及び35に係合し
てロープ22の端を前記一方のギヤージャッキ15の駆
動端に繋着し、図3中における吊りビーム19の左側を
吊り支えており、巻上げロープ23は、これと対称にガ
イドシーブ24b〜33b及び35と係合してロープ2
3の端を他方のギヤージャッキ16の駆動端に繋着し、
図3中における吊りビーム19の右側を吊り支えて巻上
げロープ系を構成している。
The hoisting rope 22 is a guide sheave 2
4a, 25a, 26a, 27a, 28a, 29a, 30
a, 31a, 32a, 33a, 34a and 35 are engaged, the end of the rope 22 is connected to the drive end of the one gear jack 15, and the left side of the suspension beam 19 in FIG. 3 is suspended and supported. The hoisting rope 23 is engaged with the guide sheaves 24b to 33b and 35 symmetrically with the hoisting rope 23 so that the rope 2
Connect the end of 3 to the drive end of the other gear jack 16,
The right side of the suspension beam 19 in FIG. 3 is suspended and supported to form a hoisting rope system.
【0018】以上のように構成された本実施例では、旋
回モータ21とギヤージャッキ15,16が停止された
状態下で、巻上げドラム13と14が同時に巻上げロー
プ22,23の巻取り又は巻出し駆動されると、巻上げ
ロープ系の係合する可動な箇所すなわち吊りビーム19
が、旋回ビーム17に対し上昇または下降し、荷の吊上
げまたは吊下げが行われる。また、この時、巻上げドラ
ム13と14が何れか一方ずつ巻取り又は巻出し駆動さ
れると、吊りビーム19の巻上げロープ駆動側だけが昇
降し、吊り荷を傾斜(トリム)させることが可能であ
る。
In the present embodiment constructed as described above, the hoisting drums 13 and 14 simultaneously wind or unwind the hoisting ropes 22 and 23 while the turning motor 21 and the gear jacks 15 and 16 are stopped. When driven, the engaging movable part of the hoisting rope system or the suspension beam 19
However, the load is lifted or lowered with respect to the orbiting beam 17 to lift or hang the load. Further, at this time, when either one of the hoisting drums 13 and 14 is driven to be wound or unwound, only the hoisting rope driving side of the hoisting beam 19 is moved up and down, and the hoisted load can be tilted (trim). is there.
【0019】巻上げドラム13,14と旋回モータ21
を停止し、ギヤージャッキ15と16を同時に低速度で
縮めまたは伸ばし駆動すると、吊りビーム19が左右同
時に緩く昇降し、荷を離床または着床させる場合のイン
チング制御用に使用することができる。また、この時、
ギヤージャッキ15と16の何れか一方を縮め、伸ばし
駆動すると、吊りビーム19のギヤージャッキ駆動側だ
けを緩い速度で昇降させて吊り荷の傾斜を調節するイン
チング制御用の操作が可能である。
The winding drums 13 and 14 and the turning motor 21
And the gear jacks 15 and 16 are simultaneously contracted or extended at a low speed at a low speed, the suspension beam 19 moves up and down at the same time on the left and right, and can be used for inching control when the load is leaving or landing on the floor. Also at this time,
When either one of the gear jacks 15 and 16 is contracted and extended to drive, only the gear jack drive side of the suspension beam 19 is moved up and down at a slow speed to perform an inching control operation for adjusting the inclination of the suspended load.
【0020】また、走行ガーダー1の走行、トロリー5
の横行及び旋回ジブ8の旋回操作を組み合わせて特定の
位置へ吊りビーム19を位置合わせする時には、駆動モ
ーター21を図3中に矢印で示すように正または逆駆動
すると、旋回ビーム17と吊りビーム19及び吊り荷は
図2中に矢印で示すように、右回りまたは左回りに±4
5°を越える広い角度範囲を水平に回動することができ
る。
The traveling girder 1 and the trolley 5
When the suspension beam 19 is aligned to a specific position by combining the traverse operation of the and the swing jib 8 and the drive motor 21 is driven forward or backward as indicated by an arrow in FIG. 19 and the suspended load are ± 4 clockwise or counterclockwise as indicated by the arrow in FIG.
A wide angle range of more than 5 ° can be horizontally rotated.
【0021】従って、本実施例によると、吊りビームと
荷の通常の昇降の外、吊り荷の傾き調節、ギヤージャッ
キ15,16操作による低速度のインチング着床または
離床制御、及び±45°を越える広い水平角度で荷を水
平回動させることができる装置を提供することができ
る。
Therefore, according to the present embodiment, in addition to the normal lifting and lowering of the suspended beam and the load, tilt adjustment of the suspended load, low speed inching landing or leaving control by operating the gear jacks 15 and 16, and ± 45 °. It is possible to provide a device capable of horizontally rotating a load at a wide horizontal angle that exceeds.
【0022】なお、本発明は、前記実施例のみに限定さ
れることなく、シーブの配置、ロープの経路、旋回ビー
ムの駆動手段又は低速駆動手段(ギヤージャッキ)の形
式等更に適宜の形式に設計を変更して実施することがで
きるものである。
The present invention is not limited to the above-mentioned embodiment, but is designed in any suitable form such as the arrangement of sheaves, the path of ropes, the drive means of the swing beam or the low speed drive means (gear jack). Can be changed and implemented.
【0023】[0023]
【発明の効果】以上説明したように、本発明は、天井走
行ガーダーに対して横行するトロリーに水平張出しブー
ム付き旋回ジブを旋回可能に取付けた旋回ジブ付き天井
クレーンにおいて;前記水平張出しブームの先端に近い
下面部に水平面内に回動可能に中央部が軸着された旋回
ビームと;同旋回ビームを水平回動させる駆動手段と;
前記旋回ジブ上の一対の巻上げドラムから繰り出され前
記水平張出しブーム沿いに導かれた一対の巻上げロープ
を、前記旋回ビーム両翼のガイドシーブから下方の吊り
ビームの両端シーブへ往復して吊りビームを吊支え、前
記水平張出しブームの先端のシーブを経て張出しブーム
沿いに後方へ導き、この一対の巻上げロープ端をそれぞ
れ水平張出しブーム後部の一対の低速駆動手段に繋着し
た巻上げロープ系とを設けたことによって、吊りビーム
と吊り荷の通常の昇降搬送の外、巻上げドラムの個別操
作による吊り荷の傾斜調節、低速駆動手段による荷の着
床、離床のための確実なインチング制御、及び吊り荷を
旋回ジブに対し±45°を越える広い水平角度で水平回
動させることができる。従って、本発明は、この種の天
井クレーンの機能を著しく高める効果を奏するものであ
り、極めて有益である。
As described above, the present invention relates to an overhead crane with a swivel jib in which a swivel jib with a horizontal boom is pivotably attached to a trolley traversing an overhead traveling girder; A pivoting beam whose central portion is pivotally mounted on a lower surface near the center so as to be pivotable in a horizontal plane; drive means for horizontally pivoting the pivoting beam;
A pair of hoisting ropes, which are unwound from a pair of hoisting drums on the swivel jib and guided along the horizontal overhang boom, reciprocate from the guide sheaves of both wings of the swivel beam to both end sheaves of the lower hoisting beam to suspend the hoisting beam. A hoisting rope system in which the pair of hoisting rope ends is connected to a pair of low-speed drive means at the rear of the horizontal overhanging boom, and the supporting ropes are guided rearward along the overhanging boom through the sheave at the tip of the horizontal overhanging boom. In addition to the normal lifting / conveying of the suspended beam and suspended load, the slant adjustment of the suspended load by individual operation of the hoisting drum, the landing of the load by the low-speed drive means, the inching control for leaving the floor, and the swiveling of the suspended load It can be horizontally rotated with a wide horizontal angle of more than ± 45 ° with respect to the jib. Therefore, the present invention has the effect of significantly enhancing the function of this type of overhead crane, and is extremely useful.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の一実施例にかかる旋回ジフ付き天井ク
レーンの全体側面図である。
FIG. 1 is an overall side view of an overhead crane with a swiveling jiff according to an embodiment of the present invention.
【図2】図1のII−II線に沿う断面図である。FIG. 2 is a sectional view taken along line II-II in FIG.
【図3】同実施例の巻上げロープ系の構成を示す斜視図
である。
FIG. 3 is a perspective view showing a configuration of a hoisting rope system of the same embodiment.
【図4】従来の旋回ジブ付き天井クレーンの側面図であ
る。
FIG. 4 is a side view of a conventional overhead crane with a swing jib.
【符号の説明】[Explanation of symbols]
1 走行ガーダー 2 天井部下面 3 軌条 4 駆動車輪部 5 トロリー 6 軌条 7 駆動車輪部 8 旋回ジブ 9 旋回機構 10 ポスト部 11 水平張出しブーム 12 機械台 13,14 巻上げドラム 15,16 ギヤージャッキ 17 旋回ビーム 18 縦軸 19 吊りビーム 20 台 21 駆動モーター 22,23 巻上げロープ 24a,24b,…35 ガイドシーブ 1 traveling girder 2 ceiling lower surface 3 rail 4 drive wheel 5 trolley 6 rail 7 drive wheel 8 swivel jib 9 swivel mechanism 10 post 11 horizontal overhanging boom 12 machine stand 13, 14 hoisting drum 15, 16 gear jack 17 swivel beam 18 vertical axis 19 hanging beam 20 units 21 drive motor 22,23 hoisting rope 24a, 24b, ... 35 guide sheave

Claims (1)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 天井走行ガーダーに対して横行するトロ
    リーに水平張出しブーム付き旋回ジブを旋回可能に取付
    けた旋回ジブ付き天井クレーンにおいて;前記水平張出
    しブームの先端に近い下面部に水平面内に回動可能に中
    央部が軸着された水平の旋回ビームと;同旋回ビームを
    水平回動させる駆動手段と;前記旋回ジブ上の一対の巻
    上げドラムから繰り出され前記水平張出しブーム沿いに
    導かれた一対の巻上げロープを、前記旋回ビーム両翼の
    ガイドシーブから下方の吊りビームの両端シーブへ往復
    して吊りビームを吊支え、前記水平張出しブームの先端
    のシーブを経て水平張出しブーム沿いに後方へ導き、こ
    の一対の巻上げロープ端をそれぞれ水平張出しブーム後
    部の一対の低速駆動手段に繋着した巻上げロープ系とを
    設けたことを特徴とする旋回ジブ付き天井クレーン。
    1. An overhead crane with a swivel jib in which a swivel jib with a horizontal overhanging boom is rotatably attached to a trolley traversing an overhead traveling girder; swinging in a horizontal plane on a lower surface portion near the tip of the horizontal overhanging boom. A horizontal swivel beam whose central portion is pivotally mounted; a drive means for horizontally rotating the swivel beam; a pair of unrolled members that are unwound from a pair of hoisting drums on the swivel jib and guided along the horizontal overhanging boom. The hoisting rope is reciprocated from the guide sheaves of both wings of the swivel beam to the sheaves at both ends of the lower suspension beam to suspend and support the suspension beam, and is guided rearward along the horizontal suspension boom through the sheave at the tip of the horizontal suspension boom, And a hoisting rope system in which the hoisting rope ends are connected to a pair of low speed driving means at the rear of the boom. Overhead crane with rotating jib.
JP19132193A 1993-08-02 1993-08-02 Overhead crane with turning jib Withdrawn JPH0741283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19132193A JPH0741283A (en) 1993-08-02 1993-08-02 Overhead crane with turning jib

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19132193A JPH0741283A (en) 1993-08-02 1993-08-02 Overhead crane with turning jib

Publications (1)

Publication Number Publication Date
JPH0741283A true JPH0741283A (en) 1995-02-10

Family

ID=16272616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19132193A Withdrawn JPH0741283A (en) 1993-08-02 1993-08-02 Overhead crane with turning jib

Country Status (1)

Country Link
JP (1) JPH0741283A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878807A (en) * 1996-02-16 1999-03-09 Takahashi; Kei Fluid channeling unit
US5954129A (en) * 1996-02-14 1999-09-21 Takahashi; Kei Flow control unit
KR101363149B1 (en) * 2012-02-28 2014-02-14 최군휘 Hoist

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954129A (en) * 1996-02-14 1999-09-21 Takahashi; Kei Flow control unit
US5878807A (en) * 1996-02-16 1999-03-09 Takahashi; Kei Fluid channeling unit
KR101363149B1 (en) * 2012-02-28 2014-02-14 최군휘 Hoist

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