ES2027156A6 - Hydraulic hammer, especially for excavation and demolition machines - Google Patents
Hydraulic hammer, especially for excavation and demolition machinesInfo
- Publication number
- ES2027156A6 ES2027156A6 ES9003145A ES9003145A ES2027156A6 ES 2027156 A6 ES2027156 A6 ES 2027156A6 ES 9003145 A ES9003145 A ES 9003145A ES 9003145 A ES9003145 A ES 9003145A ES 2027156 A6 ES2027156 A6 ES 2027156A6
- Authority
- ES
- Spain
- Prior art keywords
- plunger
- sleeves
- point
- excavation
- boring tool
- 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.)
- Expired - Lifetime
Links
Landscapes
- Earth Drilling (AREA)
Abstract
It comprises a striking plunger 13, a point or boring tool 14 pushed by said striking plunger 13, a plurality of sleeves 10, 11, 12 mounted, also, inside the body 9 for the sliding of the plunger 13 and of the point or boring tool 14, a gas cushion 15 located in the rear part of the plunger 13 and a hydraulic distributor device 16 so that the hydraulic fluid generates withdrawal of the plunger 1, 13, the plunger 13 acting on the point or boring tool 14 through the action of the cushion 15 which has previously been compressed by the hydraulic fluid. It is characterized in that the body 9 which contains the plurality of sleeves 10, 11, 12 comprises a single piece 9a for supporting the sleeves 10, 11, 12 and a rear cover 9b. Defects of alignment are avoided and accidental breakages reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9003145A ES2027156A6 (en) | 1990-12-10 | 1990-12-10 | Hydraulic hammer, especially for excavation and demolition machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9003145A ES2027156A6 (en) | 1990-12-10 | 1990-12-10 | Hydraulic hammer, especially for excavation and demolition machines |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2027156A6 true ES2027156A6 (en) | 1992-05-16 |
Family
ID=8269977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9003145A Expired - Lifetime ES2027156A6 (en) | 1990-12-10 | 1990-12-10 | Hydraulic hammer, especially for excavation and demolition machines |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2027156A6 (en) |
-
1990
- 1990-12-10 ES ES9003145A patent/ES2027156A6/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA2A | Application withdrawn |
Effective date: 19930420 |