A kind of hydraulic excavator driven by hydraulic-electric hybrid
A hydraulic excavator and hybrid drive technology, applied in the field of hydraulic control, can solve the problems of weak bearing capacity and low power density of electric cylinders, and achieve the effects of high power density, high energy storage and utilization rate, and easy realization.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0041] like image 3 As shown, a hydraulic excavator driven by a hydraulic-electric hybrid includes: a slewing motor 5, a left travel motor 6, a right travel motor 7, a boom 34, a stick 35, a bucket 36, and also includes: a secondary adjustment circuit 1 , Boom hydraulic mechanical cylinder 37, stick hydraulic mechanical cylinder 38 and bucket hydraulic mechanical cylinder 39.
[0042] The secondary regulating circuit includes: power source 8, main hydraulic pump 9, first filter 10, oil tank 11, first overflow valve 12, first one-way valve 13, second overflow valve 14, accumulator 15. Pressure sensor 16, second one-way valve 17, second filter 18 and third one-way valve 19, high-pressure pipeline 20 and low-pressure pipeline 21; the power source is mechanically connected to the main hydraulic pump, and the oil suction of the main hydraulic pump The port communicates with the oil tank through the first filter, and the oil outlet P of the main hydraulic pump communicates with th...
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