JPS60173593U - Backstop for preventing crane boom from tilting - Google Patents
Backstop for preventing crane boom from tiltingInfo
- Publication number
- JPS60173593U JPS60173593U JP6057184U JP6057184U JPS60173593U JP S60173593 U JPS60173593 U JP S60173593U JP 6057184 U JP6057184 U JP 6057184U JP 6057184 U JP6057184 U JP 6057184U JP S60173593 U JPS60173593 U JP S60173593U
- Authority
- JP
- Japan
- Prior art keywords
- backstop
- tilting
- crane boom
- crane
- outer cylinder
- 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
Landscapes
- Jib Cranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るバックストップの断面図、第２図
はバネ受の斜視図、第３図はクレーンの正面図、第４図
は従来のバックストップの断面図である。
１はクレーン本体、２はブーム、３は巻上げドラム、４
はワイヤロープ、５は中間滑車、６はペンダントロープ
、７は巻上げドラム、８はワイヤロープ、９はシーブ、
１０はフックブロック、２０はバックストップ、２１は
外筒、２２は内筒、２３はニラ割のバネ”１２４はクッ
ション用スプリング、２５．２６はブラケット、２７．
２８は非金属材料である。FIG. 1 is a sectional view of a backstop according to the present invention, FIG. 2 is a perspective view of a spring receiver, FIG. 3 is a front view of a crane, and FIG. 4 is a sectional view of a conventional backstop. 1 is the crane body, 2 is the boom, 3 is the hoisting drum, 4
is a wire rope, 5 is an intermediate pulley, 6 is a pendant rope, 7 is a hoisting drum, 8 is a wire rope, 9 is a sheave,
10 is a hook block, 20 is a backstop, 21 is an outer cylinder, 22 is an inner cylinder, 23 is a chive split spring, 124 is a cushion spring, 25.26 is a bracket, 27.
28 is a non-metallic material.
Claims (1)
を摺動自在に嵌入して内筒の他端をブームに取付け、外
筒の他端に固設したバネ受と内筒の他端との間にグツジ
ョン用スプリングを配設したクレーンブームのあおり止
め用バックストップにおいて、外筒の内部に嵌入される
内筒の先端部分の外面と外筒の他端に着脱可能に設けた
ニラ割のハネ受の内面とに非金属材料を介装したことを
特徴とするクレーンブームのあｉり止め用バックストッ
プ。One end of the inner cylinder is slidably fitted inside the outer cylinder whose one end is attached to the crane body, the other end of the inner cylinder is attached to the boom, and the other end of the inner cylinder is attached to the spring receiver fixed to the other end of the outer cylinder. In a backstop for preventing tilting of a crane boom, which has a spring for tension between the end and the end of the crane, a latch is removably installed on the outer surface of the tip of the inner cylinder that is inserted into the inside of the outer cylinder, and on the other end of the outer cylinder. A backstop for preventing a crane boom from becoming stuck, characterized by interposing a non-metallic material on the inner surface of a split spring catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6057184U JPS60173593U (en) | 1984-04-24 | 1984-04-24 | Backstop for preventing crane boom from tilting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6057184U JPS60173593U (en) | 1984-04-24 | 1984-04-24 | Backstop for preventing crane boom from tilting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60173593U true JPS60173593U (en) | 1985-11-16 |
Family
ID=30588042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6057184U Pending JPS60173593U (en) | 1984-04-24 | 1984-04-24 | Backstop for preventing crane boom from tilting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60173593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017154872A (en) * | 2016-03-03 | 2017-09-07 | コベルコ建機株式会社 | Back stop structure for boom of crane |
-
1984
- 1984-04-24 JP JP6057184U patent/JPS60173593U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017154872A (en) * | 2016-03-03 | 2017-09-07 | コベルコ建機株式会社 | Back stop structure for boom of crane |
| WO2017150022A1 (en) * | 2016-03-03 | 2017-09-08 | コベルコ建機株式会社 | Back stop for crane |
| US10640342B2 (en) | 2016-03-03 | 2020-05-05 | Kobelco Construction Machinery Co., Ltd. | Back stop for crane |
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