JPS5910353U - Extendable excavator boom - Google Patents
Extendable excavator boomInfo
- Publication number
- JPS5910353U JPS5910353U JP10252782U JP10252782U JPS5910353U JP S5910353 U JPS5910353 U JP S5910353U JP 10252782 U JP10252782 U JP 10252782U JP 10252782 U JP10252782 U JP 10252782U JP S5910353 U JPS5910353 U JP S5910353U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- excavator
- hole
- telescoping
- pair
- 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
- Mutual Connection Of Rods And Tubes (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の標準型ブームの側面図、第２図は第１図
の標準型ブームに継ぎブームを連結した継手型ブームの
側面図、第３図ないし第５図は本考案の実施例を示すも
のであって、第３図は最も短い状態を示す側面図、第４
図は長く調節した状態番示す側面図、第５図は第４図の
Ａ−Ｂ折曲線に沿う拡大断面図である。
２：パケット、３：連結ロッド、４：リンク、５：ピス
トンロッド、６：油圧シリンダ、１０：掘削機用ブーム
、１１：ブーム本体、１２：伸縮ブーム、１３．１４：
取付用孔、１５．１５’、・・・・・・１６゜１６′、
・・・・・・：調節用孔、１７：逆り字形案内レール、
１８．１９：ピン挿入用孔、２５：支持板、□２６：溝
型ガイド、２７． ２８：取付孔、２９：連結杆、３２
． ３３：セットピン。
第１ 図 卒 ２ 図ｖ−３口
寮 ４ 図Figure 1 is a side view of a conventional standard type boom, Figure 2 is a side view of a joint type boom in which a joint boom is connected to the standard type boom shown in Figure 1, and Figures 3 to 5 are examples of the present invention. Fig. 3 is a side view showing the shortest state, and Fig. 4 is a side view showing the shortest state.
The figure is a side view showing the long adjusted state, and FIG. 5 is an enlarged sectional view taken along the A-B fold line in FIG. 4. 2: Packet, 3: Connecting rod, 4: Link, 5: Piston rod, 6: Hydraulic cylinder, 10: Excavator boom, 11: Boom body, 12: Telescopic boom, 13.14:
Mounting hole, 15.15',...16°16',
......: Adjustment hole, 17: Inverted guide rail,
18.19: Pin insertion hole, 25: Support plate, □26: Groove guide, 27. 28: Mounting hole, 29: Connecting rod, 32
．． 33: Set pin. Figure 1 Graduation 2 Figure V-3 mouth
Dormitory 4 diagram
Claims (1)
動可能に嵌合した伸縮ブームとによって構成し、前記ブ
ーム本体の基端部を掘削機に取付けるようになすととも
に、長手方向に複数対の調節用孔を同一間隔に設け、さ
らに該ブーム本体の基端部曾りの上面両側に１対の逆り
字形案内レールを対向して突設し、前記伸縮ブームに長
手方向に前記調節用孔と同じ間隔に１対のピン挿入用孔
を設けるとともに、該伸縮ブームの先端部にパケットを
回動可能に取付け、該パケットを連結ロッドとリンクと
ピストンロッドとを介して操作する油圧シリンダを１対
の支持板に枢着し、該支持板に前記逆り字形案内レール
に係合する溝型ガイドを突設するとともに、前記ピン挿
入用孔に対応するように取付孔を設け、該支持板と前記
伸縮ブームとを連結杆にて連結し、前記掘削機用ブーム
の長さを調節した位置において互に整合する支持板の取
付孔とブーム本体の調節用孔と伸縮ブームのピン挿入用
孔とにセットピンを挿入してブーム本体と伸縮ブームと
を連結するようになしたことを特徴とする伸縮可能な掘
削機用ブーム。 −゛A boom for an excavator is composed of a boom body and a telescoping boom slidably fitted inside the boom body, and the base end of the boom body is attached to the excavator, and a plurality of pairs are arranged in the longitudinal direction. adjustment holes are provided at the same intervals, and a pair of inverted-shaped guide rails are provided oppositely protruding from both sides of the top surface of the proximal end of the boom body, and the adjustment holes are provided in the longitudinal direction of the telescoping boom. A pair of pin insertion holes are provided at the same intervals as the holes, a packet is rotatably attached to the tip of the telescopic boom, and a hydraulic cylinder is provided to operate the packet via a connecting rod, a link, and a piston rod. The support plate is pivotally connected to a pair of support plates, and a groove-shaped guide that engages with the inverted-shaped guide rail is provided on the support plate, and a mounting hole is provided to correspond to the pin insertion hole. The plate and the telescopic boom are connected by a connecting rod, and the mounting hole of the support plate, the adjustment hole of the boom body, and the pin insertion hole of the telescopic boom are aligned with each other at the position where the length of the excavator boom is adjusted. 1. A telescoping boom for an excavator, characterized in that a set pin is inserted into the hole to connect the boom body and the telescoping boom. −゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10252782U JPS5910353U (en) | 1982-07-08 | 1982-07-08 | Extendable excavator boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10252782U JPS5910353U (en) | 1982-07-08 | 1982-07-08 | Extendable excavator boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5910353U true JPS5910353U (en) | 1984-01-23 |
Family
ID=30241623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10252782U Pending JPS5910353U (en) | 1982-07-08 | 1982-07-08 | Extendable excavator boom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5910353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114195U (en) * | 1985-11-30 | 1987-07-20 |
-
1982
- 1982-07-08 JP JP10252782U patent/JPS5910353U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62114195U (en) * | 1985-11-30 | 1987-07-20 |
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