FIELD: engines and pumps.
SUBSTANCE: hinge includes housing with longitudinal grooves, shaft with spherical support footstep and footstep bearing, restricting bushing keeping the shaft from falling out of housing, and load-carrying elements arranged between housing and shaft. Grooves in housing are made in the form of segmented linear or radial key slots, and load-carrying elements are made in the form of leaf washers or leaf washers at least with one convex spherical surface and blind or through hole in which elastomer spring can be installed.
EFFECT: high load-carrying capacity, long service life, repairability, and cheap manufacture.
5 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
DOWNHOLE MOTOR SPINDLE SUPPORT | 2009 |
|
RU2397379C1 |
OVERFLOW CHECK VALVE | 2011 |
|
RU2466265C1 |
HINGE DEVICE FOR SCREW DOWNHOLE MOTOR | 2004 |
|
RU2278938C1 |
JOINTED DEVICE OF HELICAL ROTOR-DRIVEN HYDRAULIC MACHINE | 2003 |
|
RU2230171C1 |
DRIVE SHAFT TO CONNECT SCREW GEROTOR HYDROMACHINE WITH SPINDLE | 2005 |
|
RU2285781C1 |
JOINT OF DOWNHOLE MOTOR | 2001 |
|
RU2206697C1 |
DRIVE SHAFT OF HYDRAULIC DOWNHOLE MOTOR | 2009 |
|
RU2405903C1 |
HYDRAULIC DOWNHOLE MOTOR WITH DIAMOND SLIDING SUPPORT | 2011 |
|
RU2481450C2 |
WELL DEVIATION DEVICE | 2010 |
|
RU2444604C1 |
DOWNHOLE MOTOR TWO-HINGE PROPELLER SHAFT | 2009 |
|
RU2407877C1 |
Authors
Dates
2011-04-10—Published
2009-08-03—Filed