JPS6361495U - - Google Patents
Info
- Publication number
- JPS6361495U JPS6361495U JP15447886U JP15447886U JPS6361495U JP S6361495 U JPS6361495 U JP S6361495U JP 15447886 U JP15447886 U JP 15447886U JP 15447886 U JP15447886 U JP 15447886U JP S6361495 U JPS6361495 U JP S6361495U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- excavator
- rotary
- rotary excavator
- shaped seal
- 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
- 238000007789 sealing Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の回転掘削機におけるシール装
置を示す部分断面図、第２図はリツプ形シールの
部分断面図、第３図はシールド掘削機の縦断面図
、第４図は従来のシール装置を示す部分断面図、
第５図はリツプ形シールのリツプ部が反転した状
態を示す部分断面図である。
１……シールド本体、２……カツターホイル、
８……リツプ形シール、８ａ……シール基部、８
ｂ……リツプ部、８ｃ……リツプ反転防止用突起
。
Fig. 1 is a partial sectional view showing a seal device in a rotary excavator of the present invention, Fig. 2 is a partial sectional view of a lip type seal, Fig. 3 is a vertical sectional view of a shield excavator, and Fig. 4 is a conventional seal. A partial cross-sectional view showing the device;
FIG. 5 is a partial sectional view showing a state in which the lip portion of the lip-shaped seal is inverted. 1... Shield body, 2... Cutter foil,
8... Lip-shaped seal, 8a... Seal base, 8
b...Rip part, 8c...Protrusion for preventing lip reversal.
Claims (1)
持し、かつ掘削機本体と回転掘削具との間に、掘
削土砂の掘削機本体への侵入を防止するリツプ形
シールを介装し、前記回転掘削具を回転させて切
羽を掘削する回転掘削機において、前記リツプ形
シールのリツプ背面側に、リツプ反転防止用の突
起を突設したことを特徴とする回転掘削機におけ
るシール装置。 A rotary excavator is rotatably supported at the front of the excavator body, and a lip-shaped seal is interposed between the excavator body and the rotary excavator to prevent excavated soil from entering the excavator body, 1. A sealing device for a rotary excavator which excavates a face by rotating the rotary excavator, characterized in that a protrusion for preventing lip reversal is provided protrudingly on the rear side of the lip of the lip-shaped seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15447886U JPS6361495U (en) | 1986-10-09 | 1986-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15447886U JPS6361495U (en) | 1986-10-09 | 1986-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6361495U true JPS6361495U (en) | 1988-04-23 |
Family
ID=31074302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15447886U Pending JPS6361495U (en) | 1986-10-09 | 1986-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6361495U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60159298A (en) * | 1984-01-28 | 1985-08-20 | タイガ−スポリマ−株式会社 | Seal packing |
-
1986
- 1986-10-09 JP JP15447886U patent/JPS6361495U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60159298A (en) * | 1984-01-28 | 1985-08-20 | タイガ−スポリマ−株式会社 | Seal packing |
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