ES2027156A6 - Hydraulic hammer, especially for excavation and demolition machines - Google Patents

Hydraulic hammer, especially for excavation and demolition machines

Info

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
Application number
ES9003145A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES9003145A priority Critical patent/ES2027156A6/en
Publication of ES2027156A6 publication Critical patent/ES2027156A6/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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.
ES9003145A 1990-12-10 1990-12-10 Hydraulic hammer, especially for excavation and demolition machines Expired - Lifetime ES2027156A6 (en)

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)

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19930420