標準號：BS EN 1804-2-2001+A1-2010
中文標準名稱：地下采礦機械.液壓礦頂支撐物的安全要求.動力裝置支腳和柱塞
英文標準名稱：Machines for underground mines - Safety requirements for hydraulic powered roof supports - Power set legs and rams
標準類型：D97
發布日期：2002/5/31 12:00:00
實施日期：2002/5/31 12:00:00
中國標準分類號：D97
國際標準分類號：73.100.10
適用范圍：This standard specifies the safety requirements for legs and rams when used as specified by themanufacturer or his authorised representative. Examples covered by the standard include legs, support ramsand rams with their mechanical extensions, internal valves and safety devices, seals, hydraulic connections(up to the first hose or Type B valve, see Part 3) and their lifting points but excluding protective pipes andgaiters, external valves and hydraulic and electrohydraulic control systems.This standard applies to legs, support rams and rams used at ambient temperatures from –10 °C to 60 °C.This standard identifies and takes account of:? Possible hazards which may be caused by the operation of legs, support rams and rams;? Areas and operating conditions which may create such hazards;? Hazardous situations which may cause injury or may be damaging to health.This standard describes methods for the reduction of these hazards.A list of hazards covered appears in clause 4.This standard is applicable to all legs, support rams and rams placed on the market for the first time and whichare manufactured after the date on which this standard was published.This European standard does not establish the additional requirements for:? Specially corrosive environments;? Hazards occurring during construction, transportation, decommissioning;? Earthquake.