JPS6234589U - - Google Patents
Info
- Publication number
- JPS6234589U JPS6234589U JP12762785U JP12762785U JPS6234589U JP S6234589 U JPS6234589 U JP S6234589U JP 12762785 U JP12762785 U JP 12762785U JP 12762785 U JP12762785 U JP 12762785U JP S6234589 U JPS6234589 U JP S6234589U
- Authority
- JP
- Japan
- Prior art keywords
- inner pipe
- coil spring
- bracket
- pipe
- flange
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の実施例にかかるバツクストツ
プを通常クレーンに使用した状態、第２図は同ラ
ツフイングクレーンに使用した状態、第３図は同
タワークレーンに使用した状態をそれぞれ示す側
面図、第４図は同バツクストツプの部分拡大側面
図、第５図は第４図―線に沿う拡大断面図、
第６図は第５図―に沿う断面図、第７図は通
常クレーン、第８図はラツフイングクレーン、第
９図はタワークレーンのそれぞれ一般的構成と従
来のバツクストツプを示す概略側面図である。
１……バツクストツプ、２……アウタパイプ、
２１……取付用ブラケツト、２２……フランジ、
３……インナパイプ、３１……取付用ブラケツト
、３２……フランジ、４……スプリング、５Ａ，
５Ｂ……スペーサ、５１，５２……一対のスペー
サ片。
Figure 1 is a side view showing the backstop according to the embodiment of the present invention when it is used in a normal crane, Figure 2 is a side view when it is used in a luffing crane, and Figure 3 is a side view when it is used in a tower crane. , Fig. 4 is a partially enlarged side view of the same backstop, Fig. 5 is an enlarged sectional view taken along the line of Fig. 4,
Figure 6 is a sectional view taken along Figure 5, Figure 7 is a general crane, Figure 8 is a luffing crane, and Figure 9 is a schematic side view showing the general configuration and conventional backstop of a tower crane. be. 1...back stop, 2...outer pipe,
21... Mounting bracket, 22... Flange,
3...Inner pipe, 31...Mounting bracket, 32...Flange, 4...Spring, 5A,
5B... Spacer, 51, 52... A pair of spacer pieces.
Claims (1)
嵌入され、これら両パイプには、それぞれ一端に
クレーン本体またはブームに対する取付用ブラケ
ツトが設けられるとともに、アウタパイプの上記
ブラケツトと反対側の端部、インナパイプの上記
ブラケツト側端部にそれぞれフランジが設けられ
、この両パイプのフランジ間においてインナパイ
プにコイルスプリングが嵌入され、かつ上記アウ
タパイプまたはインナパイプのフランジと上記コ
イルスプリングとの間においてインナパイプに着
脱可能に装着される円筒の２つの割り状に形成さ
れたスペーサを具備してなることを特徴とするク
レーンのバツクストツプ。 The inner pipe is slidably fitted into the outer pipe, and each of these pipes is provided with a bracket for mounting to the crane body or boom at one end, and the end of the outer pipe opposite to the bracket, and the bracket side of the inner pipe. A flange is provided at each end, a coil spring is fitted into the inner pipe between the flanges of both pipes, and a coil spring is removably attached to the inner pipe between the flange of the outer pipe or the inner pipe and the coil spring. A crane backstop characterized by comprising a spacer formed into two cylindrical parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12762785U JPS6234589U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12762785U JPS6234589U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6234589U true JPS6234589U (en) | 1987-02-28 |
Family
ID=31022560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12762785U Pending JPS6234589U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234589U (en) |
-
1985
- 1985-08-20 JP JP12762785U patent/JPS6234589U/ja active Pending