JPS58103252U - Extendable excavator boom - Google Patents

Extendable excavator boom

Info

Publication number
JPS58103252U
JPS58103252U JP12882U JP12882U JPS58103252U JP S58103252 U JPS58103252 U JP S58103252U JP 12882 U JP12882 U JP 12882U JP 12882 U JP12882 U JP 12882U JP S58103252 U JPS58103252 U JP S58103252U
Authority
JP
Japan
Prior art keywords
boom
excavator
telescoping boom
screw rod
telescoping
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.)
Granted
Application number
JP12882U
Other languages
Japanese (ja)
Other versions
JPS6239149Y2 (en
Inventor
謙司 岡部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP12882U priority Critical patent/JPS58103252U/en
Publication of JPS58103252U publication Critical patent/JPS58103252U/en
Application granted granted Critical
Publication of JPS6239149Y2 publication Critical patent/JPS6239149Y2/ja
Granted legal-status Critical Current

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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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の実施例を示すものであって、第１図は最
も短い状態を示す一部切断側面図、第２図は第１図のＡ
−Ｂ線に沿う拡大断面図、第３図は長く調節した状態を
示す一部切断側面図である。 １：伸縮可能な掘削機用ブーム、２：伸縮ブーム本体、
３：パケット、４：伸縮ブーム、５：螺杆、６゜７：軸
受、８：角軸部、９：摺動操作室、１０゜１１：雌ねじ
、１２：ピン挿入用孔、１３：調節用孔、１４：セット
ピン、１５：パケット操作用油圧シリンダ、１６：枢着
軸、１７：ピストンロッド、１８：連結ロッド、１９．
２０：平行リンク、２１゜２２：取付用孔。The drawings show an embodiment of the present invention, in which Fig. 1 is a partially cutaway side view showing the shortest state, and Fig. 2 is a side view of A in Fig. 1.
FIG. 3 is an enlarged cross-sectional view taken along the line -B, and a partially cutaway side view showing a state in which it has been adjusted to be long. 1: Extendable boom for excavator, 2: Extendable boom body,
3: Packet, 4: Telescopic boom, 5: Screw rod, 6° 7: Bearing, 8: Square shaft, 9: Sliding operation chamber, 10° 11: Female thread, 12: Pin insertion hole, 13: Adjustment hole , 14: set pin, 15: hydraulic cylinder for packet operation, 16: pivot shaft, 17: piston rod, 18: connecting rod, 19.
20: Parallel link, 21° 22: Mounting hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基端部を掘削機に取付けるようにした伸縮ブーム本体と
、先端部にパケットを取付けるようになすとともに前記
伸縮ブーム本体の外側に摺動可能に嵌合した伸縮ブーム
とによって掘削機用ブームを構成し、前記伸縮ブーム本
体の長手方向に沿って螺杆を回転可能に取付け、該螺杆
に螺合する雌ねじを前記伸縮ブームに取付け、前記螺杆
の回動によって前記掘削機用ブームの長さを段階的に調
節した位置において伸縮ブーム本体と伸縮ブームとをセ
ットピンにて連結するようになしたことを特徴とする伸
縮可能な掘削機用ブーｌ、。A boom for an excavator is constituted by a telescoping boom body whose base end is attached to an excavator, and a telescoping boom whose tip end is adapted to have a packet attached and is slidably fitted to the outside of the telescoping boom body. A screw rod is rotatably attached along the longitudinal direction of the telescopic boom body, a female thread that is screwed into the screw rod is attached to the telescoping boom, and the length of the excavator boom is adjusted in stages by rotation of the screw rod. A telescoping boom for an excavator is characterized in that the telescoping boom body and the telescoping boom are connected by a set pin at the adjusted position.
JP12882U 1982-01-06 1982-01-06 Extendable excavator boom Granted JPS58103252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12882U JPS58103252U (en) 1982-01-06 1982-01-06 Extendable excavator boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12882U JPS58103252U (en) 1982-01-06 1982-01-06 Extendable excavator boom

Publications (2)

Publication Number Publication Date
JPS58103252U true JPS58103252U (en) 1983-07-13
JPS6239149Y2 JPS6239149Y2 (en) 1987-10-06

Family

ID=33307137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12882U Granted JPS58103252U (en) 1982-01-06 1982-01-06 Extendable excavator boom

Country Status (1)

Country Link
JP (1) JPS58103252U (en)

Also Published As

Publication number Publication date
JPS6239149Y2 (en) 1987-10-06

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