JP2553311Y2 - Tower crane lifting equipment - Google Patents
Tower crane lifting equipmentInfo
- Publication number
- JP2553311Y2 JP2553311Y2 JP1991092499U JP9249991U JP2553311Y2 JP 2553311 Y2 JP2553311 Y2 JP 2553311Y2 JP 1991092499 U JP1991092499 U JP 1991092499U JP 9249991 U JP9249991 U JP 9249991U JP 2553311 Y2 JP2553311 Y2 JP 2553311Y2
- Authority
- JP
- Japan
- Prior art keywords
- tower crane
- mast
- connection
- horizontal
- telescopic member
- 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
Links
Landscapes
- Jib Cranes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はタワークレーンの昇降装
置に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator for a tower crane.
【０００２】[0002]
【従来の技術】タワークレーンは、図１２に示す作業工
程により昇降させるのが一般的である。即ち、図１２
（ａ）に示すように２本のマストｐを連結した状態か
ら、図１２（ｂ）に示すようように上下マストの支持台
ｑ及び反力台ｒの間に油圧ジャッキｓを装架し、次いで
図１２（ｃ）〜（ｈ）に示すように油圧ジャッキｓを繰
り返し伸縮させて、タワークレーンｔをマスト１本分だ
けクライミングさせ、次いで図１２（ｉ）に示すように
マスト３本分を連結して自立させるという、所謂、尺取
虫的な方法によりタワークレーンｔを上昇させている。
また順序を逆に操作して、タワークレーンを下降させて
いる。なお図１２中の符号ｕは支持部材、ｖは固定ベー
スである。2. Description of the Related Art A tower crane is generally moved up and down by a work process shown in FIG. That is, FIG.
From the state where the two masts p are connected as shown in (a), a hydraulic jack s is mounted between the support base q and the reaction table r of the upper and lower masts as shown in FIG. Next, as shown in FIGS. 12 (c) to 12 (h), the hydraulic jack s is repeatedly expanded and contracted to cause the tower crane t to climb by one mast, and then, as shown in FIG. The tower crane t is raised by a so-called shading insect method of connecting and becoming independent.
The tower crane is lowered by reversing the order. In FIG. 12, reference symbol u denotes a support member, and v denotes a fixed base.
【０００３】[0003]
【考案が解決しようとする課題】前記従来のタワークレ
ーンの昇降作業は、 （１）マストを上方に順次連結してゆくので、マストの
連結作業が足場の悪い高所作業になって、危険である。 （２）マストの連結作業が足場の悪い高所作業になる上
に、尺取虫式クライミング方式を採用しているので、タ
ワークレーンの昇降に時間がかかる。 （３）操作が複雑で、特殊技能工が必要になる。Problems to be Solved by the Invention The conventional lifting and lowering work of the tower crane is as follows: (1) Since the masts are sequentially connected upward, the connecting work of the masts becomes a dangerous work at a high place with a poor footing, which is dangerous. is there. (2) The connecting work of the mast is a high-place work with a poor footing, and the adoption of the climbing insect climbing method requires a long time to move the tower crane up and down. (3) The operation is complicated and requires special technicians.
【０００４】という問題があった。本考案は前記従来技
術の有する問題点に鑑みて提案されたもで、その目的と
する処は、作業の安全性を確保でき、施工性を大幅
に向上できるタワークレーンの昇降装置を提供する点に
ある。There was a problem that The present invention has been proposed in view of the problems of the prior art described above, and the object of the present invention is to provide a lifting / lowering device for a tower crane that can ensure work safety and greatly improve workability. It is in.
【０００５】[0005]
【課題を解決するための手段】前記の目的を達成するた
めに、本考案は、タワークレーンを架台最上部に仮置き
したときにタワークレーンに垂下状態に取付けた連結マ
ストを取り囲むように構成した枠型構造の昇降用架台
と、次位の連結マストを昇降用架台の下部に搬送する搬
送手段と、連結マストに係脱する水平伸縮部材と、タワ
ークレーンを昇降用架台の最上部に仮置きしたときに水
平伸縮部材を介してタワークレーン側の連結マストとタ
ワークレーンとを上昇させて同連結マストの下方に次位
の連結マストの挿入空間部を形成しまた次位の連結マス
トを昇降用架台の下部に搬送したときに水平伸縮部材を
介して次位の連結マストを上昇させてタワークレーン側
の連結マストに接合させる垂直伸縮部材と、タワークレ
ーン側の連結マストの下方に次位の連結マストの挿入空
間部を形成したときにタワークレーン側の連結マストに
係合して同連結マストとタワークレーンとを支持するロ
ック装置と、連結マストの昇降を案内する案内ローラと
を有し、前記垂直伸縮部材と前記ロック装置と前記案内
ローラとを前記昇降用架台に設置し、前記搬送手段を昇
降用架台最下部の固定ベース上に設置している（請求項
１）。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is configured to surround a connecting mast attached to a tower crane when the tower crane is temporarily placed on the top of a gantry. Elevating frame with frame type structure, transport means for transporting the next connecting mast to the lower part of the elevating frame, horizontal telescopic member that engages and disengages with the connecting mast, and tower crane temporarily placed on top of the elevating frame Then, the connecting mast on the tower crane side and the tower crane are raised via the horizontal telescopic member to form an insertion space for the next connecting mast below the connecting mast, and for raising and lowering the next connecting mast. A vertical telescopic member that raises the next connecting mast via a horizontal telescopic member and joins it to the connecting mast on the tower crane when transported to the lower part of the gantry, and a connecting mast on the tower crane side A lock device that engages with the connection mast on the tower crane side to support the connection mast and the tower crane when an insertion space portion for the next connection mast is formed below, and a guide roller that guides the lifting and lowering of the connection mast The vertical expansion / contraction member, the lock device, and the guide roller are installed on the elevating gantry, and the transporting means is installed on a lowermost fixed base of the elevating gantry. .
【０００６】前記請求項１記載のタワークレーンの昇降
装置において、搬送手段を、昇降用架台最下部の固定ベ
ース上に設置した連結マスト移送用ローラコンベアと、
同ローラコンベア上の次位の連結マストをタワークレー
ン側の連結マストの直下位置に移動させる水平伸縮調整
装置とにより構成している（請求項２）。2. The tower crane elevating device according to claim 1, wherein the conveying means includes a connecting mast transferring roller conveyor installed on a fixed base at the lowermost portion of the elevating frame.
A horizontal expansion / contraction adjusting device for moving the next connection mast on the roller conveyor to a position directly below the connection mast on the tower crane side (claim 2).
【０００７】[0007]
【作用】タワークレーンを昇降用架台最上部に仮置きし
たときに、水平伸縮部材を垂直伸縮部材により下降させ
た後、水平伸縮部材をタワークレーン側の連結マストに
係合し、次いで水平伸縮部材とタワークレーン側の連結
マストとタワークレーンとを垂直伸縮部材により上昇さ
せて、タワークレーン側の連結マストの下方に次位の連
結マストの挿入空間部を形成し、次いでタワークレーン
側の連結マストをロック装置によりロックし、次いで次
位の連結マストを搬送手段により前記挿入空間部へ搬送
し、次いで次位の連結マストを水平伸縮調整装置により
タワークレーン側の連結マストの直下位置に移動させ、
次いで水平伸縮部材をタワークレーン側の連結マストか
ら離脱させ、水平伸縮部材を垂直伸縮部材により下降さ
せて、次位の連結マストに対向させ、次いで水平伸縮部
材を次位の連結マストに係合し、次いで水平伸縮部材と
次位の連結マストとを垂直伸縮部材により上昇させて、
次位の連結マストをタワークレーン側の連結マストに下
方から接合して、互いをボルト等により連結し、次いで
ロック装置のロックを解除し、次いで次位の連結マスト
とタワークレーン側の連結マストとタワークレーンとを
垂直伸縮部材ににより上昇させて、次位の連結マストの
下方に次位以下の連結マストの挿入空間部を形成し、そ
れからも前記操作を繰り返し行って、タワークレーンを
所定の高さまで上昇させる。またタワークレーンを解体
するときには、同じ要領で但し順序を逆に操作して、タ
ワークレーンを下降させる。When the tower crane is temporarily placed on the top of the elevating rack, the horizontal telescopic member is lowered by the vertical telescopic member, and then the horizontal telescopic member is engaged with the connection mast on the tower crane side, and then the horizontal telescopic member is moved. And the connecting mast on the tower crane side and the tower crane are raised by the vertical telescopic member to form an insertion space for the next connecting mast below the connecting mast on the tower crane side, and then connect the connecting mast on the tower crane side. Locked by the lock device, then transport the next connecting mast to the insertion space by the transport means, and then move the next connecting mast to a position directly below the tower crane side connecting mast by the horizontal expansion and contraction adjusting device,
Next, the horizontal telescopic member is disengaged from the connection mast on the side of the tower crane, the horizontal telescopic member is lowered by the vertical telescopic member to face the next connection mast, and then the horizontal telescopic member is engaged with the next connection mast. Then, the horizontal telescopic member and the next connecting mast are raised by the vertical telescopic member,
The next connection mast is joined to the connection mast on the tower crane side from below, connected to each other with bolts, etc., then the lock device is unlocked, and then the next connection mast and the connection mast on the tower crane side are connected. The tower crane is raised by the vertical telescoping member to form an insertion space for the connection mast below the next connection mast below the next connection mast, and then the above operation is repeated to raise the tower crane to the predetermined height. Raise to the end. When the tower crane is dismantled, the tower crane is lowered in the same manner, but in the reverse order.
【０００８】[0008]
【実施例】次に本考案のタワークレーンの昇降装置を図
示の実施例により説明する。図１乃至図６は本考案のタ
ワークレーン装置の一実施例を示している。図１乃至図
６において、Ａが昇降用架台で、この昇降用架台Ａは、
４本の垂直枠組材ａと、同各垂直枠組材ａの上部を連結
する４本の上段水平枠組材ｂと、同各垂直枠組材ａの上
下中間部を連結する４本の中段水平枠組材ｂと、同各垂
直枠組材ａの下部を連結する４本の下段水平枠組材ｂ
と、同各水平枠組材ｂのうち同じ段の隣り合う水平枠組
材ｂどうしを連結するブラケットｃとにより構成され
て、固定ベースＢ上に設置されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a lifting device for a tower crane according to the present invention will be described with reference to the drawings. 1 to 6 show one embodiment of the tower crane device of the present invention. In FIGS. 1 to 6, A is a lifting frame, and the lifting frame A is
Four vertical frame members a, four upper horizontal frame members b connecting the upper portions of the respective vertical frame members a, and four middle horizontal frame members connecting the upper and lower intermediate portions of the respective vertical frame members a b and four lower horizontal frame members b connecting the lower portions of the respective vertical frame members a.
And a bracket c for connecting adjacent horizontal frame members b of the same level among the respective horizontal frame members b, and is installed on the fixed base B.
【０００９】１が垂直方向に伸縮する油圧シリンダ等の
垂直伸縮部材で、この垂直伸縮部材１は２つあり、一方
の垂直伸縮部材１の上部及び下部は、同じ側の上段水平
枠組材ｂと中段水平枠組材ｂとの中央部に取付けられ、
他方の垂直伸縮部材１の上部及び下部は、反対側の上段
水平枠組材ｂと中段水平枠組材ｂとの中央部に取付けら
れている。Reference numeral 1 denotes a vertical telescopic member such as a hydraulic cylinder which expands and contracts in the vertical direction. There are two vertical telescopic members 1, and the upper and lower parts of one vertical telescopic member 1 are connected to the upper horizontal frame assembly b on the same side. It is attached to the center of the middle horizontal frame assembly b,
The upper and lower portions of the other vertical elastic member 1 are attached to the center of the upper horizontal frame assembly b and the middle horizontal frame assembly b on opposite sides.
【００１０】２が水平方向に伸縮する油圧シリンダ等の
水平伸縮部材で、この水平伸縮部材２も２つあり、一方
の水平伸縮部材２は、一方の垂直伸縮部材１の下端部に
水平状態に取付けられ、他方の水平伸縮部材２は、反対
側の垂直伸縮部材１の下端部に水平状態に取付けられ、
互いが対向している。Ｅがタワークレーン、Ｄ’がタワ
ークレーンＥに垂下状態に取付けられたタワークレーン
側の連結マストである。Reference numeral 2 denotes a horizontal telescopic member such as a hydraulic cylinder which expands and contracts in the horizontal direction. There are also two horizontal telescopic members 2, and one horizontal telescopic member 2 is placed horizontally at the lower end of one vertical telescopic member 1. Attached, the other horizontal elastic member 2 is attached to the lower end of the vertical elastic member 1 on the opposite side in a horizontal state,
They are facing each other. E is a tower crane, and D 'is a connection mast on the tower crane side attached to the tower crane E in a hanging state.
【００１１】３がロック装置で、このロック装置３も２
つあり、一方のロック装置３は、垂直伸縮部材１の取付
けられていない他の中段水平枠組材ｂの中央部に水平状
態に取付けられ、他方のロック装置３は、やはり垂直伸
縮部材１の取付けられていない反対側の中段水平枠組材
ｂの中央部に水平状態に取付けられて、互いが対向して
いる。Reference numeral 3 denotes a lock device.
One locking device 3 is mounted horizontally at the center of another middle horizontal frame member b to which the vertical elastic member 1 is not attached, and the other locking device 3 is also attached to the vertical elastic member 1 It is mounted horizontally at the center of the middle horizontal frame member b on the opposite side, which is not provided, and faces each other.
【００１２】このロック装置３は、伸長方向に作動した
とき、ロック装置３のロッドをタワークレーン側の連結
マストＤ’に係合して、タワークレーンＥの全体を一時
的に昇降用架台Ａに仮置きする役目を持っている。４が
案内ローラで、この案内ローラ４は全部で８つあり、４
本の上段水平枠組材ｂの上に２つずつ設置され、タワー
クレーンＥ側の連結マストＤ’の各隅角部を挟んで連結
マストＤ’の各側面に接触することにより、同連結マス
トＤ′を垂直に保持するとともに、タワークレーンＥの
全体を円滑に昇降させる役目を持っている。When the lock device 3 is operated in the extending direction, the rod of the lock device 3 is engaged with the connecting mast D 'on the tower crane side, and the entire tower crane E is temporarily moved to the elevating pedestal A. Has the role of temporary storage. 4 is a guide roller, and there are eight guide rollers 4 in total.
Two pieces are installed on the upper horizontal frame assembly b of the book, and each of the connecting masts D 'is brought into contact with each side of the connecting mast D' across the corners of the connecting mast D 'on the tower crane E side. ′ Is held vertically, and the entirety of the tower crane E is smoothly lifted and lowered.
【００１３】Ｃが固定ベースＢ上に設置したローラコン
ベア用載置台で、このローラコンベア用載置台Ｃには、
次位の連結マストＤを搬送する駆動装置付き案内ローラ
コンベア５と、タワークレーンＥ側の連結マストＤ′の
下方に搬送されてきた次位の連結マストＤの位置を調整
して次位の連結マストＤをタワークレーンＥ側の連結マ
ストＤ′の直下に移動させる４つの水平伸縮調整装置
（油圧シリンダ等の水平伸縮調整装置）６とが配設され
ている。C is a mounting table for a roller conveyor installed on a fixed base B, and the mounting table C for the roller conveyor includes:
A guide roller conveyor 5 with a driving device for transporting the next connection mast D, and the position of the next connection mast D conveyed below the connection mast D 'on the tower crane E side are adjusted to adjust the next connection. Four horizontal expansion / contraction adjusting devices (horizontal expansion / contraction adjusting devices such as hydraulic cylinders) 6 for moving the mast D directly below the connection mast D ′ on the tower crane E side are provided.
【００１４】図中の符号ｄはブラケット、ｅは取付台で
ある。次に前記図１乃至図６に示すタワークレーン装置
の作用を具体的に説明する。 （１）タワークレーンＥを昇降用架台Ａの最上部に仮置
きしたときに、水平伸縮部材２を垂直伸縮部材１により
下降させた後、水平伸縮部材２をタワークレーンＥ側の
連結マストＤ’に係合する。 （２）次いで水平伸縮部材２とタワークレーンＥ側の連
結マストＤ’とタワークレーンＥとを垂直伸縮部材１に
より上昇させて、タワークレーンＥ側の連結マストＤ’
の下方に次位の連結マストＤの挿入空間部を形成する。 （３）次いでタワークレーンＥ側の連結マストＤ’をロ
ック装置３によりロックする。 （４）次いで次位の連結マストＤを搬送手段の駆動装置
付き案内ローラコンベア５により前記挿入空間部へ搬送
する。 （５）次いで次位の連結マストＤを搬送手段の水平伸縮
調整装置６によりタワークレーンＥ側の連結マストＤ’
の直下位置に移動させる。 （６）次いで水平伸縮部材２をタワークレーンＥ側の連
結マストＤ’から離脱させ、水平伸縮部材２を垂直伸縮
部材１により下降させて、次位の連結マストＤに対向さ
せる。 （７）次いで水平伸縮部材２を次位の連結マストＤに係
合する。 （８）次いで水平伸縮部材２と次位の連結マストＤとを
垂直伸縮部材１により上昇させて、次位の連結マストＤ
をタワークレーンＥ側の連結マストＤ’に下方から接合
して、互いをボルト等により連結する。 （９）次いでロック装置３のロックを解除する。 （１０）次いで次位の連結マストＤとタワークレーンＥ
側の連結マストＤ’とタワークレーンＥとを垂直伸縮部
材１により上昇させて、次位の連結マストＤの下方に次
位以下の連結マストの挿入空間部を形成する。 （１１）それからも前記操作を繰り返し行って、タワー
クレーンを所定の高さまで上昇させる。 （１２）またタワークレーンＥを解体するときには、同
じ要領で但し順序を逆に操作して、タワークレーンＥを
下降させる。In the figures, reference numeral d denotes a bracket, and e denotes a mounting base. Next, the operation of the tower crane apparatus shown in FIGS. 1 to 6 will be specifically described. (1) When the tower crane E is temporarily placed on the top of the elevating gantry A, after the horizontal elastic member 2 is lowered by the vertical elastic member 1, the horizontal elastic member 2 is connected to the connecting mast D 'on the tower crane E side. Engages. (2) Next, the horizontal mast D ′ on the side of the tower crane E is raised by the vertical telescopic member 1 by raising the connecting mast D ′ on the side of the tower crane E and the connecting mast D ′ on the tower crane E side.
Is formed below the connecting mast D. (3) Next, the connection mast D ′ on the tower crane E side is locked by the lock device 3. (4) Next, the next connection mast D is transported to the insertion space by the guide roller conveyor 5 with a driving device of the transport means. (5) Next, the connecting mast D ′ on the tower crane E side is transferred to the next connecting mast D by the horizontal expansion and contraction adjusting device 6 of the conveying means.
To the position directly below. (6) Next, the horizontal telescopic member 2 is detached from the connecting mast D ′ on the tower crane E side, and the horizontal telescopic member 2 is lowered by the vertical telescopic member 1 to face the next connecting mast D. (7) Next, the horizontal elastic member 2 is engaged with the next connection mast D. (8) Next, the horizontal elastic member 2 and the next connecting mast D are raised by the vertical elastic member 1, and the next connecting mast D is raised.
Are connected to the connection mast D ′ on the tower crane E side from below, and are connected to each other by bolts or the like. (9) Next, the lock of the lock device 3 is released. (10) Next, connecting mast D and tower crane E
The connection mast D ′ on the side and the tower crane E are raised by the vertical telescopic member 1 to form an insertion space for the connection mast below the next connection mast below the connection mast D below. (11) Thereafter, the above operation is repeated to raise the tower crane to a predetermined height. (12) When the tower crane E is dismantled, the tower crane E is lowered by operating in the same manner but operating in the reverse order.
【００１５】[0015]
【考案の効果】本考案のタワークレーンの昇降装置は前
記したようにタワークレーンを昇降用架台最上部に仮置
きしたときに、水平伸縮部材を垂直伸縮部材により下降
させた後、水平伸縮部材をタワークレーン側の連結マス
トに係合し、次いで水平伸縮部材とタワークレーン側の
連結マストとタワークレーンとを垂直伸縮部材により上
昇させて、タワークレーン側の連結マストの下方に次位
の連結マストの挿入空間部を形成し、次いでタワークレ
ーン側の連結マストをロック装置によりロックし、次い
で次位の連結マストを搬送手段により前記挿入空間部へ
搬送し、次いで次位の連結マストを水平伸縮調整装置に
よりタワークレーン側の連結マストの直下位置に移動さ
せ、次いで水平伸縮部材をタワークレーン側の連結マス
トから離脱させ、水平伸縮部材を垂直伸縮部材により下
降させて、次位の連結マストに対向させ、次いで水平伸
縮部材を次位の連結マストに係合し、次いで水平伸縮部
材と次位の連結マストとを垂直伸縮部材により上昇させ
て、次位の連結マストをタワークレーン側の連結マスト
に下方から接合して、互いをボルト等により連結し、次
いでロック装置のロックを解除し、次いで次位の連結マ
ストとタワークレーン側の連結マストとタワークレーン
とを垂直伸縮部材ににより上昇させて、次位の連結マス
トの下方に次位以下の連結マストの挿入空間部を形成
し、それからも前記操作を繰り返し行って、タワークレ
ーンを所定の高さまで上昇させる。またタワークレーン
を解体するときには、同じ要領で但し順序を逆に操作し
て、タワークレーンを下降させるので、足場の悪い高所
作業をなくすことができて、作業の安全性を確保でき
る。[Effects of the Invention] The tower crane lifting device according to the present invention lowers the horizontal telescopic member by the vertical telescopic member when the tower crane is temporarily placed on the top of the elevating platform as described above, and then moves the horizontal telescopic member. Engage with the connecting mast on the tower crane side, and then raise the horizontal telescopic member, the connecting mast on the tower crane side, and the tower crane with the vertical telescopic member, and place the next connecting mast below the connecting mast on the tower crane side. An insertion space is formed, then the connection mast on the tower crane side is locked by a lock device, and then the next connection mast is conveyed to the insertion space by the conveyance means, and then the next connection mast is horizontally expanded and contracted. To move it to a position directly below the connection mast on the tower crane side, and then detach the horizontal telescopic member from the connection mast on the tower crane side, The flat telescopic member is lowered by the vertical telescopic member to face the next connecting mast, then the horizontal telescopic member is engaged with the next connecting mast, and then the horizontal telescopic member and the next connecting mast are vertically expanded and contracted. It is raised by the member, the next connection mast is joined to the connection mast on the tower crane side from below, connected to each other by bolts and the like, then the lock device is unlocked, and then the next connection mast and the tower are connected. The connecting mast on the crane side and the tower crane are raised by the vertical telescopic member to form an insertion space portion of the connecting mast below the next connecting mast below the next connecting mast, and then repeat the above operation, Raise the tower crane to a predetermined height. When the tower crane is dismantled, the tower crane is moved down in the same manner, but in the reverse order, so that work at a high place with a poor scaffold can be eliminated and the safety of the work can be secured.
【００１６】また操作が簡単に、迅速に行われるので、
特殊技能工を不要にできるし、施工性を大幅に向上でき
る。Also, since the operation is performed easily and quickly,
Special technicians can be eliminated, and workability can be greatly improved.
【図１】本考案のタワークレーンの昇降装置の一実施例
を示す平面図である。FIG. 1 is a plan view showing an embodiment of a tower crane lifting device according to the present invention.
【図２】図１の矢視イ−イ線に沿う縦断側面図である。FIG. 2 is a longitudinal sectional side view taken along the line II in FIG. 1;
【図３】図１の矢視ロ−ロ線に沿う縦断側面図である。FIG. 3 is a vertical sectional side view taken along a line 2-2 in FIG. 1;
【図４】図１の矢視ハ−ハ線に沿う縦断側面図である。FIG. 4 is a vertical sectional side view taken along a line C-A in FIG. 1;
【図５】図２の矢視ニ−ニ線に沿う横断平面図である。FIG. 5 is a cross-sectional plan view taken along the line II-II in FIG. 2;
【図６】図２の矢視ホ−ホ線に沿う横断平面図である。FIG. 6 is a cross-sectional plan view taken along a line indicated by arrows in FIG. 2;
【図７】本考案のタワークレーンの昇降装置による作業
状況を示す側面図である。FIG. 7 is a side view showing a working state by the elevating device of the tower crane of the present invention.
【図８】図７の次工程を示す側面図である。FIG. 8 is a side view showing the next step of FIG. 7;
【図９】図８の次工程を示す側面図である。FIG. 9 is a side view showing the next step of FIG. 8;
【図１０】図９の次工程を示す側面図である。FIG. 10 is a side view showing the next step of FIG. 9;
【図１１】図１０の次工程を示す側面図である。FIG. 11 is a side view showing the next step of FIG.
【図１２】（ａ）（ｂ）（ｃ）（ｄ）（ｅ）（ｆ）
（ｇ）（ｈ）（ｉ）は従来のタワークレーンの昇降装置
の作業工程を示す側面図である。FIG. 12 (a) (b) (c) (d) (e) (f)
(G) (h) (i) is a side view showing the working process of the elevating device of the conventional tower crane.
Ａ 昇降用架台 Ｂ 昇降用架台Ａの固定ベース Ｃ ローラコンベア用載置台 Ｄ 次位の連結マスト Ｄ′ タワークレーンＥ側の連結マスト Ｅ タワークレーン ａ 昇降用架台Ａの垂直枠組材 ｂ 〃 の水平枠組材 ｄ 〃 のブラケット １ 垂直伸縮部材 ２ 水平伸縮部材 ３ ロック装置 ４ 案内ローラ ５ 移送手段の駆動装置付き案内ローラコンベア ６ 移送手段の水平伸縮調整装置 Reference Signs List A Lifting base B Lifting base A fixed base C Roller conveyor mounting table D Next-order connecting mast D 'Tower crane E side connecting mast E Tower crane Bracket of material d 1 Vertical expansion and contraction member 2 Horizontal expansion and contraction member 3 Lock device 4 Guide roller 5 Guide roller conveyor with driving device for transfer means 6 Horizontal expansion and contraction adjustment device for transfer means
Claims (2)
たときにタワークレーンに垂下状態に取付けた連結マス
トを取り囲むように構成した枠型構造の昇降用架台と、
次位の連結マストを昇降用架台の下部に搬送する搬送手
段と、連結マストに係脱する水平伸縮部材と、タワーク
レーンを昇降用架台の最上部に仮置きしたときに水平伸
縮部材を介してタワークレーン側の連結マストとタワー
クレーンとを上昇させて同連結マストの下方に次位の連
結マストの挿入空間部を形成しまた次位の連結マストを
昇降用架台の下部に搬送したときに水平伸縮部材を介し
て次位の連結マストを上昇させてタワークレーン側の連
結マストに接合させる垂直伸縮部材と、タワークレーン
側の連結マストの下方に次位の連結マストの挿入空間部
を形成したときにタワークレーン側の連結マストに係合
して同連結マストとタワークレーンとを支持するロック
装置と、タワークレーン側の連結マストを介してタワー
クレーンの昇降を案内する案内ローラとを有し、前記垂
直伸縮部材と前記ロック装置と前記案内ローラとを前記
昇降用架台に設置し、前記搬送手段を昇降用架台最下部
の固定ベース上に設置したことを特徴とするタワークレ
ーンの昇降装置。An elevating frame having a frame-type structure configured to surround a connecting mast attached to the tower crane when the tower crane is temporarily placed on the top of the frame;
A transport means for transporting the next connection mast to the lower part of the elevating platform, a horizontal telescopic member which is disengaged from the connecting mast, and via a horizontal telescopic member when the tower crane is temporarily placed on the top of the elevating platform. The connecting mast on the side of the tower crane and the tower crane are raised to form an insertion space for the next connecting mast below the connecting mast, and when the next connecting mast is conveyed to the lower part of the elevating platform, it is horizontal. When a vertical expansion member that raises the next connection mast via the expansion member and joins the connection mast on the tower crane side and an insertion space portion for the next connection mast below the connection mast on the tower crane side are formed. A lock device that engages with the connection mast on the tower crane side to support the connection mast and the tower crane, and raises and lowers the tower crane via the connection mast on the tower crane side And a guide roller provided therein, wherein the vertical expansion / contraction member, the lock device, and the guide roller are installed on the elevating platform, and the transporting means is installed on a fixed base at a lowermost portion of the elevating platform. Tower crane lifting equipment.
定ベース上に設置した連結マスト移送用ローラコンベア
と、同ローラコンベア上の次位の連結マストをタワーク
レーン側の連結マストの直下位置に移動させる水平伸縮
調整装置とにより構成した請求項１記載のタワークレー
ンの昇降装置。2. A roller conveyor for transferring a connecting mast, which is installed on a fixed base at the lowermost part of an elevating platform, and a next connecting mast on the roller conveyor being positioned directly below a connecting mast on the tower crane side. The tower crane lifting / lowering device according to claim 1, comprising a horizontal expansion / contraction adjustment device for moving the tower crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991092499U JP2553311Y2 (en) | 1991-11-12 | 1991-11-12 | Tower crane lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991092499U JP2553311Y2 (en) | 1991-11-12 | 1991-11-12 | Tower crane lifting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0542292U JPH0542292U (en) | 1993-06-08 |
| JP2553311Y2 true JP2553311Y2 (en) | 1997-11-05 |
Family
ID=14056000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991092499U Expired - Fee Related JP2553311Y2 (en) | 1991-11-12 | 1991-11-12 | Tower crane lifting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2553311Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016069918A (en) * | 2014-09-30 | 2016-05-09 | 日本車輌製造株式会社 | Bent assembly device and bent assembly method |
| EP3686376A1 (en) * | 2019-10-25 | 2020-07-29 | S&L Access Systems AB | Base frame |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549860A (en) * | 1977-06-25 | 1979-01-25 | Shimizu Construction Co Ltd | Tower crane |
| JPS56132776A (en) * | 1980-03-21 | 1981-10-17 | Mitsubishi Electric Corp | Method of connecting conductors |
| JPS58102838A (en) * | 1981-12-10 | 1983-06-18 | Kayaba Ind Co Ltd | Air shock absorber |
-
1991
- 1991-11-12 JP JP1991092499U patent/JP2553311Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542292U (en) | 1993-06-08 |
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