Hoisting units AzINMASH-37BF and AzINMASH-40BF

Hoisting units AzINMASH-37BF and AzINMASH-40BF are intended for round trip operations as well as making-up and uncoupling of oil-well tubing and sucker rods during production maintenance of oil and gas wells. It is also used for sand-washing, bailing-up and swabbing operations. This is a self-propelled oil field unit mounted on the chassis of cross-country truck КРАЗ-63221 or УРАЛ-4320-1912-30. The basic component parts are: single-drum winch, telescopic derrick, tackle system, hydraulic, pneumatic, electric and electro-hydraulic control. The units are completed with automatically operated hydraulic power tongs АПР-2ГП, manipulator device МТ-3 and СГ-40 spider. The unit has a lift limiter of the tackle block, the acoustic signaling and light alarm systems of the derrick erection, a control equipment of the engine and pneumatic system, the other block systems in order to provide safety of works during unit installation at well and round trips. The unit is equipped with an explosion-proof system for lighting the site at the wellhead and route of the tackle block. The power supply of the system is from truck electrical equipment. The winch is driven by truck traction engine. The derrick is telescopic, two sectional, with open face and erected by two hydraulic jacks. Upper section is extended by a special hydraulic driven winch. The unit is controlled from the operator's cab placed between winch and truck cabin. The mechanisms of the round trip operations are operated from a desk placed on the rear support of the derrick. The operator's cab heating is by explosion-proof electric heaters.