JPS58194251U - excavator - Google Patents
excavatorInfo
- Publication number
- JPS58194251U JPS58194251U JP9156782U JP9156782U JPS58194251U JP S58194251 U JPS58194251 U JP S58194251U JP 9156782 U JP9156782 U JP 9156782U JP 9156782 U JP9156782 U JP 9156782U JP S58194251 U JPS58194251 U JP S58194251U
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- pin
- boom
- pistons
- bracket
- 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
Links
Landscapes
- Component Parts Of Construction Machinery (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図は本考案を説明するための掘削機の要部を示す斜
視図、第２図は本考案の一実施例を示す部分的正面図、
第３図は第２図Ａ−Ａ線矢視側面図、第４図は第２図Ｂ
部一部断面拡大図、第５図は第４図Ｃ−Ｃ線矢視断面図
、第６図は油圧回路図、第７図は本考案の変形例である
油圧回路図である。
図中、２はブーム、３はブラケット、６ａ。
６ｂはピン、１１はシリンダ、１２ａ、１２ｂはピスト
ン、１４は液圧室たる油圧室、１８は摩擦材、２１は油
圧回路である。
第１図
第４図FIG. 1 is a perspective view showing the main parts of an excavator for explaining the present invention, FIG. 2 is a partial front view showing an embodiment of the present invention,
Figure 3 is a side view taken along the line A-A in Figure 2, Figure 4 is Figure 2B
5 is a sectional view taken along the line CC in FIG. 4, FIG. 6 is a hydraulic circuit diagram, and FIG. 7 is a hydraulic circuit diagram of a modification of the present invention. In the figure, 2 is a boom, 3 is a bracket, and 6a. 6b is a pin, 11 is a cylinder, 12a and 12b are pistons, 14 is a hydraulic chamber, 18 is a friction material, and 21 is a hydraulic circuit. Figure 1 Figure 4
Claims (1)
互に回動自在に連結したピン継手部を有する掘削機にお
いて、上記ブームとブラケットとの間のピンに該ピンを
囲繞すべくシリンダを設け、該シリンダ内にその軸方向
に沿って摺動自在にピストンを並列に嵌装し、これらピ
ストン間に液圧室を形成すると共にピストンの外端面に
摩擦材を設け、上記液圧室に掘削機の液圧回路を接続し
たことを特徴とする掘削機。In an excavator having a pin joint portion in which respective ends of a boom and a bracket are overlapped and rotatably connected to each other, a cylinder is provided on the pin between the boom and the bracket to surround the pin, Pistons are fitted in parallel in the cylinder so as to be slidable along the axial direction, a hydraulic pressure chamber is formed between these pistons, and a friction material is provided on the outer end surface of the piston, and an excavator is inserted into the hydraulic pressure chamber. An excavator characterized by having a hydraulic circuit connected to the excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156782U JPS58194251U (en) | 1982-06-21 | 1982-06-21 | excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156782U JPS58194251U (en) | 1982-06-21 | 1982-06-21 | excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58194251U true JPS58194251U (en) | 1983-12-24 |
| JPS6115094Y2 JPS6115094Y2 (en) | 1986-05-10 |
Family
ID=30099909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9156782U Granted JPS58194251U (en) | 1982-06-21 | 1982-06-21 | excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58194251U (en) |
-
1982
- 1982-06-21 JP JP9156782U patent/JPS58194251U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6115094Y2 (en) | 1986-05-10 |
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