JPS6125636B2 - - Google Patents
Info
- Publication number
- JPS6125636B2 JPS6125636B2 JP16359381A JP16359381A JPS6125636B2 JP S6125636 B2 JPS6125636 B2 JP S6125636B2 JP 16359381 A JP16359381 A JP 16359381A JP 16359381 A JP16359381 A JP 16359381A JP S6125636 B2 JPS6125636 B2 JP S6125636B2
- Authority
- JP
- Japan
- Prior art keywords
- tilting
- rope
- ropes
- lifting device
- trolley
- 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
- 238000004804 winding Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
本発明は吊具を三次元的に傾転し得るようにし
たコンテナクレーンの吊具傾転装置、特に構成簡
易化を図つたものに関する。
例えば港湾での荷の揚降に用いるコンテナクレ
ーンにおいては、船舶の傾きなどに応じて吊具を
三次元的に傾転しながら吊上げ操作する必要が生
じる場合が多い。
従来このような傾転操作用の装置は吊具の昇降
装置と別個に設けるのが一般的であつたが、部品
数が多く、配置構成も複雑であるなどの問題があ
つた。
本発明はこのような問題を解決するためになさ
れたもので、吊具の昇降と傾転とを行なうための
部品の減少及び配置構成の簡素化が図れるコンテ
ナクレーンの吊具傾転装置を提供することを目的
とする。
このような目的を達成するため、本発明は、ク
レーン桁上を移動するトロリーに吊具を支持する
ためのロープを、そのトロリーと吊具の前後、左
右の各隅をシーブを介して連結する夫々独立なも
のとし、この各ロープの一端をクレーン桁の一端
側に配置した巻上げドラムに巻装すると共に、こ
の各ロープの他端をクレーン桁の他端側でトロリ
ーと同一方向に移動し得る移動フレームに設けた
一対の傾転ドラムに対角線位置のものを１グルー
プとして、かつ各グループ内のロープの巻回方向
を互いに異ならせて夫々巻装したものである。
このようなものであると、吊具支持用のロープ
が、その吊具の昇降用及び傾転用の両操作に兼用
できると共に、傾転ドラムが少数で動作機構も簡
単となり、部品構成が極めて簡素なものになる。
以下、本発明の一実施例を図面を参照して詳細
に説明する。
クレーン桁１の一端を海Ａ側に向け、他端側を
陸Ｂ上に支持している。このクレーン桁１上の両
端方向に移動するトロリー２に吊具３を支持する
ためのロープを、そのトロリー２と吊具３との前
後、左右の各隅をシーブを介して連結する夫々独
立な例えば上方が次第に広がる傾斜状の４種のも
の５ａ，５ｂ，５ｃ，５ｄとしている。そして、
各ロープ５ａ…の一端をクレーン桁１の一端側を
介して一対の巻上げドラム６に、シーブ７を介し
て夫々左、右に分けて巻装している。また、各ロ
ープ５ａ…の他端をクレーン桁１の他端側でトロ
リー２と同一方向に移動し得る移動フレーム８に
設けた一対の傾転ドラム９ａ，９ｂに対角線配置
のもの５ａ，５ｃ及び５ｂ，５ｄを夫々１グルー
プとして、かつ各グループのロープの巻回方向を
互に異ならせて巻装している。即ち、移動フレー
ム８は左、右一対のレール１０を介してクレーン
桁１の両端方向に移動可能に支持され、かつ走行
用モータ１１にカツプリング１２を介して連結し
た駆動軸１３に、かさ歯車１４，１５を介して接
合した左、右一対の駆動ねじ１６に係合するナツ
ト１７によつて、前方（海側）及び後方（陸側）
に往復移動し得るようにしたものである。この移
動フレーム８上に前後一対の傾転ドラム９ａ，９
ｂを、軸心をフレーム移動方向と直交させて配置
している。各傾転ドラム９ａ，９ｂの軸１８ａ，
１８ｂの一端を減速機１９ａ，１９ｂ付きの傾転
駆動用モータ２０ａ，２０ｂに電磁クラツチ２１
ａ，２１ｂを介して夫々連結し、また他端をブレ
ーキ装置としての減衰器２２ａ，２２ｂに電磁ク
ラツチ２３ａ，２３ｂ及びデイスク２４ａ，２４
ｂを介して夫々連結している。なお、デイスク２
４ａ，２４ｂの軸端には回転数検出器２５ａ，２
５ｂを接続している。なお、２６は軸受を示す。
しかして、傾転ドラムの後方のもの９ａには、
吊具３の海側に向つて左後隅のロープ５ａと右前
隅のロープ５ｃとを中間シーブ２４，２４を夫々
介して互に逆向きに巻装し、また、傾転ドラムの
前方のもの９ｂには、吊具３の左前隅のロープ５
ｂと右後隅のロープ５ｄとを同様に中間シーブ２
５，２５を夫々介して互に逆向きに巻装してい
る。なお、各傾転ドラム９ａ，９ｂのモータ側か
ら時計回りの巻取り方向に各ロープの後側のもの
５ａ，５ｄを巻装し、反時計回りの巻取り方向に
各ロープの前側のもの５ｂ，５ｃを巻装している
（第４，６図参照）。
次に作用を説明する。
吊具３の傾転運動を行なう場合は、傾転駆動用
モータ２０ａ，２０ｂ及び減衰機２２ａ，２２ｂ
を夫々稼動状態としておき、所定の電磁クラツチ
２１ａ，２１ｂ，２３ａ，２３ｂを「入」、「切」
操作するものである。即ち、
左右方向（第６図の「Ｘ」軸回り）の傾転を
行なう場合は、ロープの左グループのもの５
ａ，５ｂと右グループのもの５ｃ，５ｄとを相
対的に巻取り及び繰出しすればよい。例えば吊
具３を海側に向つて右上りに傾転させるには
（第６図のx0方向）、右グループのロープ５ｃ，
５ｄを巻取り、左グループのロープ５ａ，５ｂ
を繰出せばよい。従つて、第４図の下側に示す
前方の傾転ドラム９ｂをモータ側から時計方向
（矢印で示す）に回転すると共に、第４図の
（上側に示す）後方の傾転ドラム９ａをモータ
側からの反時計方向（矢印で示す）に回転す
ればよいから、各モータ２０ａ，２０ｂを逆方
向に回転させればよい。
なお、逆向き傾転を行なうには以上と逆方向
操作を行なえばよい。また、以上の場合、トロ
リー２は停止、つまり走行用モータ１１はブレ
ーキ状態としておく。
前後方向（第６図の「Ｙ」軸回り）の傾転を
行なう場合は前記の場合と同様にロープ５ａ
…の巻取り及び繰出し方向の組合せを切換えれ
ばよい。例えば吊具３を前下りに傾転させるに
は（第６図のy0方向）、各グループのロープの
夫々前側のもの５ｂ，５ｃを繰出し、後側のも
の５ａ，５ｄを巻取ればよい。従つて前後の傾
転ドラム９ａ，９ｂとも時計方向（第４図の矢
印方向）にモータ２０ａ，２０ｂにより回転
駆動すればよい。
同一平面上の旋回（第６図の「Ｚ」軸回りの
傾転）を行なう場合は、ロープの各対角線上の
グループ単位で巻取りと繰出しとを組合せて行
ない、ロープの立上り角度に応じた前後方向分
力を作用させればよい。従つて、例えば鉛直軸
心回りで時計方向（第６図のz0方向）に旋回さ
せるには、ロープ５ａ，５ｃを繰出し、５ｂ，
５ｄをつめればよい。つまり、移動フレーム８
を海側から後退する第４図(-)方向に移動する
よう移動用モータ１１を駆動すればよい。以上
の〜をまとめて示すのが次表である。
The present invention relates to a lifting device tilting device for a container crane in which a lifting device can be tilted three-dimensionally, and particularly to a device with a simplified configuration. For example, in container cranes used for lifting and lowering cargo at ports, it is often necessary to perform lifting operations while tilting the lifting device three-dimensionally depending on the inclination of the ship. Conventionally, such a device for tilting operation has generally been provided separately from the lifting device for the hanging tool, but this has had problems such as a large number of parts and a complicated arrangement. The present invention has been made in order to solve such problems, and provides a lifting device for a container crane that can reduce the number of parts and simplify the arrangement for lifting and tilting the lifting device. The purpose is to In order to achieve such an object, the present invention connects a rope for supporting a lifting device to a trolley moving on a crane girder through a sheave at each of the front, rear, right and left corners of the trolley and the lifting device. Each rope is independent, and one end of each rope is wound around a hoisting drum located at one end of the crane girder, and the other end of each rope can be moved in the same direction as the trolley at the other end of the crane girder. The ropes in each group are wound around a pair of tilting drums provided on a movable frame, with the ropes diagonally positioned as one group, and the ropes in each group are wound in different directions. With such a device, the rope supporting the hanging device can be used for both raising and lowering the hanging device and tilting it, and the number of tilting drums is small, the operating mechanism is simple, and the component configuration is extremely simple. Become something. Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings. One end of the crane girder 1 faces the sea A side, and the other end is supported on land B. A rope for supporting the hanging tool 3 is attached to a trolley 2 moving toward both ends of the crane girder 1, and the front, rear, left and right corners of the trolley 2 and the lifting tool 3 are connected to each other via sheaves. For example, there are four types 5a, 5b, 5c, and 5d that have an inclined shape that gradually widens upward. and,
One end of each rope 5a... is wound around a pair of hoisting drums 6 via one end side of the crane girder 1 via a sheave 7 on the left and right sides, respectively. Further, the other end of each rope 5a... is attached to a pair of tilting drums 9a, 9b provided on a movable frame 8 that can move in the same direction as the trolley 2 on the other end side of the crane girder 1. The ropes 5b and 5d are each made into one group, and the ropes of each group are wound in different winding directions. That is, the moving frame 8 is supported so as to be movable toward both ends of the crane girder 1 via a pair of left and right rails 10, and a bevel gear 14 is connected to a drive shaft 13 connected to a traveling motor 11 via a coupling 12. , 15, the front (sea side) and rear (land side)
It was designed so that it could be moved back and forth. A pair of front and rear tilting drums 9a, 9 are mounted on this moving frame 8.
b is arranged with its axis perpendicular to the frame movement direction. The shaft 18a of each tilting drum 9a, 9b,
An electromagnetic clutch 21 is connected to one end of the 18b to a tilting drive motor 20a, 20b with a reducer 19a, 19b.
electromagnetic clutches 23a, 23b and discs 24a, 24 are connected to dampers 22a, 22b as braking devices at the other end.
They are connected to each other via b. In addition, disk 2
Rotation speed detectors 25a, 2 are installed at the shaft ends of 4a, 24b.
5b is connected. Note that 26 indicates a bearing. Therefore, in the rear part 9a of the tilting drum,
A rope 5a at the rear left corner and a rope 5c at the front right corner are wound in opposite directions through intermediate sheaves 24, 24, respectively, toward the sea side of the hanging device 3. 9b is the rope 5 at the front left corner of the hanging device 3.
b and the rope 5d at the rear right corner in the same way as the intermediate sheave 2.
5 and 25, respectively, and are wound in opposite directions. Note that the rear ropes 5a, 5d are wound in a clockwise winding direction from the motor side of each tilting drum 9a, 9b, and the front ropes 5b are wound in a counterclockwise winding direction. , 5c (see Figures 4 and 6). Next, the action will be explained. When performing a tilting motion of the hanging tool 3, tilting drive motors 20a, 20b and dampers 22a, 22b are used.
are in operation, and the predetermined electromagnetic clutches 21a, 21b, 23a, 23b are turned on and off.
It is something to be manipulated. That is, when performing a tilting rotation in the left-right direction (around the "X" axis in Figure 6), the left group of ropes 5
What is necessary is to relatively wind up and let out the parts a and 5b and those of the right group 5c and 5d. For example, to tilt the hanging device 3 upward to the right toward the sea (x 0 direction in Figure 6), use the ropes 5c of the right group,
Wind up the ropes 5d and the ropes 5a and 5b of the left group.
All you have to do is bring it out. Therefore, the front tilting drum 9b shown on the lower side of FIG. 4 is rotated clockwise (indicated by the arrow) from the motor side, and the rear tilting drum 9a (shown on the upper side) of FIG. 4 is rotated from the motor side. Since it is sufficient to rotate the motors 20a and 20b in the counterclockwise direction (indicated by the arrow) from the side, it is sufficient to rotate each motor 20a, 20b in the opposite direction. Incidentally, in order to perform the reverse tilting, it is sufficient to perform the operation in the opposite direction to that described above. Further, in the above case, the trolley 2 is stopped, that is, the traveling motor 11 is kept in a brake state. When performing a tilt rotation in the front-back direction (around the "Y" axis in Fig. 6), use the rope 5a as in the previous case.
It is only necessary to switch the combination of winding and feeding directions. For example, in order to tilt the hanging device 3 forward and downward (y 0 direction in Fig. 6), it is sufficient to let out the front ropes 5b and 5c of each group, and wind up the rear ropes 5a and 5d. . Therefore, both the front and rear tilting drums 9a, 9b may be rotated clockwise (in the direction of the arrow in FIG. 4) by the motors 20a, 20b. When turning on the same plane (tilting around the "Z" axis in Figure 6), winding and unwinding are performed in combination in groups on each diagonal of the rope, and the rope is rotated according to the rising angle of the rope. It is sufficient to apply force in the longitudinal direction. Therefore, for example, in order to rotate clockwise around the vertical axis ( Z0 direction in FIG. 6), the ropes 5a and 5c are let out, and the ropes 5b,
Just fill in 5d. In other words, moving frame 8
What is necessary is to drive the moving motor 11 so that it moves in the (-) direction in FIG. 4, which is retreating from the sea side. The following table summarizes the above.
【表】
なお、以上の傾転動作のほか、振れ止運動を行
なう場合は、傾転ドラム９ａ，９ｂのモータ側ク
ラツチ２１ａ，２１ｂを「切」、減衰機側のクラ
ツチ２３ａ，２３ｂを「入」の状態とし、吊荷の
振れにより傾転ドラム９ａ，９ｂが左右の回転を
繰返すのを減衰器２２ａ，２２ｂによりブレーキ
し、振れ止め効果を高める操作を行なうことがで
きる。
また、そのほか、コンテナ内の貨物形状により
重心のずれがあり、傾転ドラム９ａ，９ｂに一定
値以上の回転が発生した場合は、回転数検出器２
４ａ，２４ｂによつて検出し、減衰機２２ａ，２
２ｂのブレーキトルクを高め、回転を停止するも
のである。
このような構成、作用を有する実施例の装置に
よれば、コンテナクレーンにおいて吊具の横傾
転、縦傾転、小旋回の三方向傾転と、吊具の振れ
止め装置等とを一つの装置にまとめ装置の簡素化
が図れる。
以上のように、本発明は吊具支持用のロープ
を、吊具の昇降用及び傾転用の両操作に兼用でき
ると共に、傾転ドラムが少数で動作機構も簡単と
なり、部品構成が極めて簡単となつて所期の目的
が達成できる。[Table] In addition to the above tilting operation, when performing steady rest motion, the motor side clutches 21a, 21b of the tilting drums 9a, 9b should be "disengaged" and the damping machine side clutches 23a, 23b should be "on". '', the dampers 22a and 22b brake the tilting drums 9a and 9b from repeating left and right rotations due to swinging of the suspended load, thereby increasing the anti-swaying effect. In addition, if there is a shift in the center of gravity due to the shape of the cargo inside the container and the rotation of the tilting drums 9a and 9b exceeds a certain value, the rotation speed detector 2
4a, 24b, and attenuators 22a, 2
The brake torque of 2b is increased to stop the rotation. According to the device of the embodiment having such a configuration and operation, in a container crane, three-way tilting of the lifting device, such as horizontal tilting, vertical tilting, and small turning, and the steady resting device of the lifting device, etc. can be performed in one device. It is possible to simplify the device by combining it into one device. As described above, according to the present invention, the rope for supporting the hanging device can be used for both raising and lowering the hanging device and for tilting it, and the number of tilting drums is small, the operating mechanism is simple, and the component configuration is extremely simple. Eventually, you will be able to achieve your intended purpose.
図は本発明の一実施例を示すもので、第１図は
装置全体を示す概略正面図、第２図は要部を拡大
して示す斜視図、第３図は傾転ドラム部を示す平
面図、第４図は移動フレーム部を示す平面図、第
５図は第４図の―線断面図、第６図は作用を
示すための吊具部の斜視図である。
１……クレーン桁、２……トロリー、３……吊
具、５ａ，５ｂ，５ｃ，５ｄ……ロープ、６……
巻上げドラム、９ａ，９ｂ……傾転ドラム。
The figures show one embodiment of the present invention, in which Fig. 1 is a schematic front view showing the entire device, Fig. 2 is a perspective view showing an enlarged main part, and Fig. 3 is a plan view showing the tilting drum section. 4 is a plan view showing the movable frame section, FIG. 5 is a sectional view taken along the line -- in FIG. 4, and FIG. 6 is a perspective view of the hanging tool section to show the operation. 1... Crane girder, 2... Trolley, 3... Hanging tool, 5a, 5b, 5c, 5d... Rope, 6...
Winding drum, 9a, 9b... tilting drum.
Claims (1)
の吊具をロープによつて三次元的に傾転可能に吊
上げるコンテナクレーンの吊具傾転装置におい
て、前記ロープは、前記トロリーと吊具との前
後、左右の各隅をシーブを介して連結する夫々独
立なものとし、この各ロープの一端をクレーン桁
の一端側を介して巻上げドラムに巻装すると共
に、この各ロープの他端をクレーン桁の他端側で
前記トロリーと同一方向に移動し得る移動フレー
ムに設けた一対の傾転ドラムに対角線位置のもの
を１グループとして、かつ各グループ内のロープ
の巻回方向を互いに異ならせて夫々巻装したこと
を特徴とするコンテナクレーンの吊具傾転装置。1. In a lifting device tilting device for a container crane that lifts a lifting device for loading and unloading onto a trolley that moves on a crane girder using a rope so that it can be tilted three-dimensionally, the rope is connected to the trolley and the lifting device. The front, back, left and right corners of the A pair of tilting drums provided on a movable frame movable in the same direction as the trolley on the other end of the girder are arranged in diagonal positions as one group, and the ropes in each group are wound in different directions. A container crane lifting device tilting device characterized in that each device is wrapped around the container crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16359381A JPS5863687A (en) | 1981-10-14 | 1981-10-14 | Tilting and rolling device for hanging tool of container crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16359381A JPS5863687A (en) | 1981-10-14 | 1981-10-14 | Tilting and rolling device for hanging tool of container crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5863687A JPS5863687A (en) | 1983-04-15 |
| JPS6125636B2 true JPS6125636B2 (en) | 1986-06-17 |
Family
ID=15776862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16359381A Granted JPS5863687A (en) | 1981-10-14 | 1981-10-14 | Tilting and rolling device for hanging tool of container crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863687A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019690A (en) * | 1983-07-13 | 1985-01-31 | 株式会社日立製作所 | Controller for attitude of hanger of crane |
| JPS60167892A (en) * | 1984-02-06 | 1985-08-31 | 住友重機械工業株式会社 | Rope stretching device for crane |
| JPS60202085A (en) * | 1984-03-28 | 1985-10-12 | 株式会社日立製作所 | Turning gear for hanger |
| JPS61101389A (en) * | 1984-10-22 | 1986-05-20 | 三井造船株式会社 | Container crane |
-
1981
- 1981-10-14 JP JP16359381A patent/JPS5863687A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5863687A (en) | 1983-04-15 |
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