JPS61200473U - - Google Patents
Info
- Publication number
- JPS61200473U JPS61200473U JP8543585U JP8543585U JPS61200473U JP S61200473 U JPS61200473 U JP S61200473U JP 8543585 U JP8543585 U JP 8543585U JP 8543585 U JP8543585 U JP 8543585U JP S61200473 U JPS61200473 U JP S61200473U
- Authority
- JP
- Japan
- Prior art keywords
- cushion
- piston
- guide
- hydraulic cylinder
- main hydraulic
- 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 1
Description
第１図は本考案のクツシヨン装置の一実施例を
示す要部の断面図、第２図は従来のクツシヨン装
置の断面図、第３図は主油圧シリンダの回路図で
ある。
１，１ａ，１ｂは主油圧シリンダ、２，２ａ，
２ｂはピストン、３はピストンロツド、４は密封
回路、５はクツシヨンリング、６はパイロツト切
換弁、７は切換操作部、９はガイド部、１１，１
４はクツシヨンガイドを示す。
FIG. 1 is a sectional view of essential parts of an embodiment of the cushion device of the present invention, FIG. 2 is a sectional view of a conventional cushion device, and FIG. 3 is a circuit diagram of a main hydraulic cylinder. 1, 1a, 1b are main hydraulic cylinders, 2, 2a,
2b is a piston, 3 is a piston rod, 4 is a sealed circuit, 5 is a cushion ring, 6 is a pilot switching valve, 7 is a switching operation part, 9 is a guide part, 11, 1
4 indicates a cushion guide.
Claims (1)
油圧シリンダのストロークエンドに、クツシヨン
リングのガイド部のみ有するクツシヨンガイドを
設け、該クツシヨンガイドにパイロツト切換弁の
切換操作部を位置させ、且つ主油圧シリンダのピ
ストンに、クツシヨンリングを直接取り付け、上
記クツシヨンリングに、ピストンの減速機能とパ
イロツト切換弁の切換え機能を持たせてなること
を特徴とするコンクリートポンプのクツシヨン装
置。 A cushion guide having only the guide portion of the cushion ring is provided at the stroke end of the main hydraulic cylinder for reciprocating the concrete piston, and the switching operation portion of the pilot switching valve is located on the cushion guide, and the main hydraulic cylinder A concrete pump concrete pump cushion device, characterized in that a cushion ring is directly attached to the piston, and the cushion ring has a piston deceleration function and a pilot switching valve switching function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8543585U JPS61200473U (en) | 1985-06-06 | 1985-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8543585U JPS61200473U (en) | 1985-06-06 | 1985-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61200473U true JPS61200473U (en) | 1986-12-15 |
Family
ID=30635830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8543585U Pending JPS61200473U (en) | 1985-06-06 | 1985-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61200473U (en) |
-
1985
- 1985-06-06 JP JP8543585U patent/JPS61200473U/ja active Pending