JPS5549413A - Ice crusher for structure in freeze-up water - Google Patents
Ice crusher for structure in freeze-up waterInfo
- Publication number
- JPS5549413A JPS5549413A JP12265378A JP12265378A JPS5549413A JP S5549413 A JPS5549413 A JP S5549413A JP 12265378 A JP12265378 A JP 12265378A JP 12265378 A JP12265378 A JP 12265378A JP S5549413 A JPS5549413 A JP S5549413A
- Authority
- JP
- Japan
- Prior art keywords
- ice
- counterweight
- weight
- crushing
- plate
- 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
- Crushing And Grinding (AREA)
Abstract
PURPOSE: To enable an effective and economical crushing of ice plates which approach or form in the surroundings of a structure by constituting an ice crusher of an ice-crushing weight, counterweight, ice-crushing weight holding mechanism, and counterweight push-up mechanism.
CONSTITUTION: An ice crusher comprises: an ice-crushing weight 1 which is dropped from above to crush an ice plate 18; a counterweight 2 for elevating the weight 1 to a predetermined fixed position; a stop metal 3 for holding the elevated weight 1 in the fixed position; a booster 5 which is pushed against the ice plate 18 and boosts the ice pressure to a high pressure sufficient for pushing up the counterweight 2; a hydraulic jack 6 which is connected with the booster 5, situated directly below the counterweight 2, and used for pushing up the counterweight 2 to such a position as to enable the fall of the weight 1 on the ice plate 18.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12265378A JPS5549413A (en) | 1978-10-06 | 1978-10-06 | Ice crusher for structure in freeze-up water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12265378A JPS5549413A (en) | 1978-10-06 | 1978-10-06 | Ice crusher for structure in freeze-up water |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5549413A true JPS5549413A (en) | 1980-04-09 |
Family
ID=14841291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12265378A Pending JPS5549413A (en) | 1978-10-06 | 1978-10-06 | Ice crusher for structure in freeze-up water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5549413A (en) |
-
1978
- 1978-10-06 JP JP12265378A patent/JPS5549413A/en active Pending
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