Protector of underground oil extraction machine
A technology of protection device and oil extraction machine, which is applied in the fields of fluid extraction, earthwork drilling, wellbore/well components, etc., can solve the problems of waste of manpower, material and financial resources, accelerated wear, rough surface, etc., to ensure work quality and efficiency Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0021] The invention is like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, a protection device for an underground oil extraction machine includes an outer pipe 1, a connecting rod 2 and adapters 3 arranged at both ends of the outer pipe 1. A decontamination device 4 and a filter device 5 are arranged between the outer pipe 1 and the connecting rod 2. And a sealing device 6, wherein: the above-mentioned filtering device 5 includes a frame 51, and a filtering layer 52 having a flexible structure is provided in the frame 51. The inner diameter of the filtering layer 52 is slightly smaller than the pore diameters at both ends of the frame 51 and between the frame 51 and the connecting shaft 2. For interference fit, an elastic compensation mechanism 53 is also provided at one end of the filter layer 52.
[0022] The filter layer 52 is a cylindrical screen composed of wear-resistant plastic or metal wire or wear-resistant plastic and metal wire. The above-mentioned...
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap