Follow-up automatic compensation polished rod sealing device
An automatic compensation and sealing device technology, which is applied in the directions of sealing/packing, wellbore/well components, earthwork drilling and production, etc., can solve the problems of damaged polished rods, increased energy consumption, offset and straightening polished rods, etc., and can improve the service life , Improve the sealing effect and solve the problem of eccentric wear
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0034] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0035] Such as figure 1 As shown, the follow-up type automatic compensation polished rod sealing device includes a sealing cover (1), a sealing shell (2), a pressure regulating spring (3), a translation pressing plate (4), an upper follow-up platform (5), a follow-up The packing box (6), the lower follower platform (7), and the sealing base (8) all have a round hole in the middle, and the polished rod (9) passes through the round hole; the sealing cover (1) and the sealing casing (2) The upper part is tightly connected and the distance is adjustable, and the pressure regulating spring (3) is clamped between the translational pressure plate (4), and the first annular cavity (10) is formed in the middle; the outer diameter of the follower packing box (6) is smaller than the sealed shell ( 2), the middle constitutes the second annular chamber (11); the first annular cha...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com