JPH022391U - - Google Patents
Info
- Publication number
- JPH022391U JPH022391U JP8060688U JP8060688U JPH022391U JP H022391 U JPH022391 U JP H022391U JP 8060688 U JP8060688 U JP 8060688U JP 8060688 U JP8060688 U JP 8060688U JP H022391 U JPH022391 U JP H022391U
- Authority
- JP
- Japan
- Prior art keywords
- trolley
- lifting arm
- hook
- tower crane
- 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.)
- Pending
Links
- 230000003028 elevating effect Effects 0.000 description 1
Landscapes
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Jib Cranes (AREA)
Description
第１図はこの考案に係るタワークレーンの全体
構成を示す側面図、第２図はこの考案に係るタワ
ークレーンの要部斜視図、第３図はその要部側面
図、第４図はフツクおよびその駆動系を示す側面
図、第５図は従来のタワークレーンの全体構成を
示す側面図である。
１…ポスト、２…水平ブーム、５…昇降アーム
、６…フツク、７…第１のトロリ、８…フツク微
調整装置、９…旋回機構、１０…旋回梁、１１…
第２のトロリ。
Figure 1 is a side view showing the overall configuration of the tower crane according to this invention, Figure 2 is a perspective view of the main parts of the tower crane according to this invention, Figure 3 is a side view of the main parts, and Figure 4 is a hook and FIG. 5 is a side view showing the drive system thereof, and FIG. 5 is a side view showing the overall configuration of a conventional tower crane. DESCRIPTION OF SYMBOLS 1...Post, 2...Horizontal boom, 5...Elevating arm, 6...Hook, 7...First trolley, 8...Hook fine adjustment device, 9...Swivel mechanism, 10...Swivel beam, 11...
Second trolley.
Claims (1)
ムと、該水平ブームの下部に沿つて走行可能に支
持されたトロリと、該トロリの下方に伸縮可能に
突設された昇降アームと、該昇降アームの下部に
設けられたフツクと、該フツクを旋回させるとと
もにクランプ、アンクランプ動作をさせるための
駆動機構とを備えたタワークレーンにおいて、前
記トロリと昇降アームとの間に、該昇降アームの
往復動及び旋回動可能なフツク微調整装置を設け
たことを特徴とするタワークレーン。 (2) 上記昇降アームの往復動及び旋回動可能な
フツク微調整装置は、前記水平ブームの下部に沿
つて走行可能に第１のトロリを支持し、該第１の
トロリの下部に旋回機構を備えた旋回梁を配置し
、該旋回梁に沿つて走行可能に第２のトロリを支
持し、該第２のトロリの下部に前記昇降アームを
取付ける構成としたことを特徴とするタワークレ
ーン。[Claims for Utility Model Registration] (1) A horizontal boom rotatably disposed on a post, a trolley movably supported along the lower part of the horizontal boom, and a telescopic projecting part below the trolley. In the tower crane, the trolley and the lifting arm are provided with a lifting arm, a hook provided at the lower part of the lifting arm, and a drive mechanism for rotating the hook and performing clamping and unclamping operations. A tower crane characterized in that a hook fine adjustment device is provided between the lifting and lowering arms to enable reciprocating and pivoting movement of the lifting arm. (2) The hook fine adjustment device capable of reciprocating and rotating the lifting arm supports a first trolley so as to be movable along the lower part of the horizontal boom, and has a rotating mechanism at the lower part of the first trolley. 1. A tower crane comprising: a swing beam provided with a swing beam; a second trolley supported so as to be movable along the swing beam; and a lifting arm attached to a lower part of the second trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8060688U JPH022391U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8060688U JPH022391U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022391U true JPH022391U (en) | 1990-01-09 |
Family
ID=31305428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8060688U Pending JPH022391U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004175545A (en) * | 2002-11-28 | 2004-06-24 | Taisei Corp | Bridge crane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4598Y1 (en) * | 1966-05-28 | 1970-01-07 | ||
| JPS63143194A (en) * | 1986-12-04 | 1988-06-15 | 株式会社大林組 | Tower crane |
-
1988
- 1988-06-20 JP JP8060688U patent/JPH022391U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4598Y1 (en) * | 1966-05-28 | 1970-01-07 | ||
| JPS63143194A (en) * | 1986-12-04 | 1988-06-15 | 株式会社大林組 | Tower crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004175545A (en) * | 2002-11-28 | 2004-06-24 | Taisei Corp | Bridge crane |