JPS61142784U - - Google Patents
Info
- Publication number
- JPS61142784U JPS61142784U JP2546885U JP2546885U JPS61142784U JP S61142784 U JPS61142784 U JP S61142784U JP 2546885 U JP2546885 U JP 2546885U JP 2546885 U JP2546885 U JP 2546885U JP S61142784 U JPS61142784 U JP S61142784U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- connecting portion
- top boom
- pin holes
- extension
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案一実施例の構成説明図、第２図
はピン自動セツト機構の構成説明図、第３図は第
１図Ｚ方向からの矢視図、第４図はシリンダ装置
の油圧、電気回路の説明図、第５図はピン自動セ
ツト機構の他の実施態様の構成説明図、第６図は
第５図Ｘ方向からの矢視図、第７図は従来のクレ
ーンのジブの張出し装置の構成説明図である。
１０はトツプブーム、１１，１２，１４，６７
は連結部、１３はジブ、２５はピン自動セツト機
構。
Fig. 1 is an explanatory diagram of the configuration of one embodiment of the present invention, Fig. 2 is an explanatory diagram of the configuration of the automatic pin setting mechanism, Fig. 3 is an arrow view from the Z direction in Fig. 1, and Fig. 4 is the oil pressure of the cylinder device. , an explanatory diagram of the electric circuit, FIG. 5 is an explanatory diagram of the configuration of another embodiment of the automatic pin setting mechanism, FIG. 6 is a view as viewed from the X direction in FIG. 5, and FIG. 7 is a diagram of the jib of a conventional crane. FIG. 2 is a configuration explanatory diagram of an overhanging device. 10 is top boom, 11, 12, 14, 67
13 is a jib, and 25 is a pin automatic setting mechanism.
Claims (1)
１２を設け、一方の連結部１１にジブ１３の一方
の連結部１４を揺動可能に連結し、トツプブーム
１０にジブ１３の張出し及び格納を操作するシリ
ンダ装置２０を設け、ジブ１３の他方の連結部６
７もしくはトツプブーム１０の他方の連結部１２
にジブ１３の張出時、係止ピン２８，２９をトツ
プブーム１０の連結部１２のピン孔４８もしくは
ジブ１３の連結部６７のピン孔２６に係止するピ
ン自動セツト機構２５を設けたことを特徴とする
クレーンのジブの張出し装置。 A connecting part 11 to the top boom 10 and the jib 13,
12, one connecting portion 14 of the jib 13 is swingably connected to one connecting portion 11, a cylinder device 20 for operating the extension and retraction of the jib 13 is provided on the top boom 10, and the other connecting portion 14 of the jib 13 is connected to the top boom 10. Part 6
7 or the other connecting portion 12 of the top boom 10
An automatic pin setting mechanism 25 is provided for locking the locking pins 28 and 29 into the pin holes 48 of the connecting portion 12 of the top boom 10 or the pin holes 26 of the connecting portion 67 of the jib 13 when the jib 13 is extended. Features crane jib extension device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546885U JPS61142784U (en) | 1985-02-26 | 1985-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546885U JPS61142784U (en) | 1985-02-26 | 1985-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61142784U true JPS61142784U (en) | 1986-09-03 |
Family
ID=30520564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2546885U Pending JPS61142784U (en) | 1985-02-26 | 1985-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142784U (en) |
-
1985
- 1985-02-26 JP JP2546885U patent/JPS61142784U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61142784U (en) | ||
| JPS6128782U (en) | mobile crane | |
| JPS6432891U (en) | ||
| JPH01102239U (en) | ||
| JPS60145183U (en) | Hydraulic crane. jib hoisting device | |
| JPS5812585U (en) | Crane operating lever device | |
| JPS5869052U (en) | Hydraulic excavator grapple | |
| JPS6211889U (en) | ||
| JPS6172583U (en) | ||
| JPS6138194U (en) | simple crane | |
| JPS61127188U (en) | ||
| JPS6376789U (en) | ||
| JPS59140281U (en) | Hydraulic truck crane | |
| JPS6450293U (en) | ||
| JPS59173690U (en) | Equalizer moving device for construction machinery | |
| JPS58110692U (en) | Hook device for crane with spliced jib | |
| JPS5812587U (en) | Side crane counterweight device | |
| JPS61128284U (en) | ||
| JPS6076190U (en) | Safety device for digging pole construction vehicle | |
| JPS61193985U (en) | ||
| JPS59151960U (en) | crushing machine | |
| JPS59183490U (en) | boom for crane | |
| JPS59140282U (en) | Hydraulic truck crane | |
| JPH0226089U (en) | ||
| JPH0251169U (en) |