Safety guardrail for maintenance of tail bearing of beam-pumping unit

• Main Authors: LIU LIFENG, XIAO SHUN, HU YEXI, LV QUN, KONG WENLIANG, LI BENJUN
• Format: Patent
• Language: Chinese; English
• Published: 05.03.2014
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model provides a safety guardrail for maintenance of a tail bearing of a beam-pumping unit. The safety guardrail for maintenance of the tail bearing of the beam-pumping unit comprises a guardrail frame main body and a guardrail door, wherein the guardrail frame main body is formed by wel...