| 摘要 |
FIELD: well survey, particularly with the use of cable-suspended instruments. ^ SUBSTANCE: device comprises body, electric engine with drive, matching-and-decoupling mechanism, spring-loaded levers and sliding bush. The matching-and-decoupling mechanism has summing means made as articulated links, inlet link connected to body and outlet link. The outlet link is provided with coaxially arranged sliding bush adapted to receive spring-loaded carriage installed on the bush. The carriage is pivotally connected to levers. ^ EFFECT: increased reliability and simplified structure, improved instrument centering inside well and extended functional capabilities. ^ 2 cl, 1 dwg |
