JPS61142785U - - Google Patents
Info
- Publication number
- JPS61142785U JPS61142785U JP2546985U JP2546985U JPS61142785U JP S61142785 U JPS61142785 U JP S61142785U JP 2546985 U JP2546985 U JP 2546985U JP 2546985 U JP2546985 U JP 2546985U JP S61142785 U JPS61142785 U JP S61142785U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- sheaves
- top boom
- tip
- auxiliary winding
- 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
- 238000004804 winding Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案一実施例の側面図、第２図は第
１図―線に沿う断面図、第３図乃至第６図は
ジブ張り出しの作用説明図、第７図は第６図部
の拡大図、第８図は本考案の他の実施例の側面図
、第９図、第１０図はジブ張り出しの作用説明図
である。
１はトツプブーム、２はジブ、６は支持ロツド
、７，８，９，１０，１１，１２，１３，１４は
第１〜第７のシーブ、１９はワイヤ、２０は補巻
ワイヤ。
Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is a sectional view taken along the line of Fig. 1, Figs. FIG. 8 is a side view of another embodiment of the present invention, and FIGS. 9 and 10 are explanatory diagrams of the action of the jib extension. 1 is a top boom, 2 is a jib, 6 is a support rod, 7, 8, 9, 10, 11, 12, 13, 14 are first to seventh sheaves, 19 is a wire, and 20 is an auxiliary winding wire.
Claims (1)
共にトツプブーム１にジブ２の回動中心を中心に
回動する支持ロツド６を設け、支持ロツド６に、
互に連結状態の第１、第２のシーブ７，８を揺動
可能に設け、トツプブーム１の先部に第３、第４
、第５のシーブ１０，１１，１２を設けると共に
ジブ２に第６、第７のシーブ１３，１４を設け、
ウインチから繰出されたワイヤ１９を第１、第２
のシーブ７，８間を経てジブ２の先部に係止し、
補巻ウインチから繰出された補巻ワイヤ２０を第
３、第４、第５、第６、第７のシーブ１０，１１
，１２，１３，１４を介してジブ２の先端部に挿
通し、この挿通端にフツク２１を設けたことを特
徴とするクレーン用補助ジブの張出装置。 A top boom 1 is provided with a jib 2 that can be raised and lowered, and a support rod 6 that rotates around the rotation center of the jib 2 is provided on the top boom 1.
First and second sheaves 7 and 8 connected to each other are swingably provided, and a third and fourth sheave is provided at the tip of the top boom 1.
, fifth sheaves 10, 11, 12 are provided, and sixth and seventh sheaves 13, 14 are provided on the jib 2,
The wire 19 fed out from the winch is
It passes between the sheaves 7 and 8 and locks to the tip of the jib 2,
The auxiliary winding wire 20 fed out from the auxiliary winding winch is passed through the third, fourth, fifth, sixth, and seventh sheaves 10, 11.
, 12, 13, and 14, and a hook 21 is provided at the insertion end of the jib 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546985U JPS61142785U (en) | 1985-02-26 | 1985-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546985U JPS61142785U (en) | 1985-02-26 | 1985-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61142785U true JPS61142785U (en) | 1986-09-03 |
Family
ID=30520566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2546985U Pending JPS61142785U (en) | 1985-02-26 | 1985-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142785U (en) |
-
1985
- 1985-02-26 JP JP2546985U patent/JPS61142785U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61142785U (en) | ||
| JPS6072483U (en) | Luffing jib type tower crane | |
| JPH0178684U (en) | ||
| JPS63190195U (en) | ||
| JPH0218479U (en) | ||
| JPS62108392U (en) | ||
| JPS60137785U (en) | mobile crane | |
| JPS6436396U (en) | ||
| JPS6217694U (en) | ||
| JPS646711U (en) | ||
| JPS6069284U (en) | Auxiliary jib on mobile crane | |
| JPS62151352U (en) | ||
| JPS62171585U (en) | ||
| JPS5978389U (en) | Auxiliary jib on mobile crane | |
| JPS61135888U (en) | ||
| JPH0185390U (en) | ||
| JPS6283092U (en) | ||
| JPS58170388U (en) | Jib offset angle change device | |
| JPS58158075U (en) | Derrick boom | |
| JPS6149786U (en) | ||
| JPS6292283U (en) | ||
| JPH0389087U (en) | ||
| JPS62136493U (en) | ||
| JPS61197084U (en) | ||
| JPS6175494U (en) |