Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System
As a technological innovation of high-power hydraulic rock drill, double damping system has a very important effect on impact performance. The double damping system is a floating mechanism. The characteristics of the floating mechanism have an important influence on the impact energy, frequency, and...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-01-01
|
| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2019/2942890 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850224054530736128 |
|---|---|
| author | Yelin Li Zeng Bin Yi Tu |
| author_facet | Yelin Li Zeng Bin Yi Tu |
| author_sort | Yelin Li |
| collection | DOAJ |
| description | As a technological innovation of high-power hydraulic rock drill, double damping system has a very important effect on impact performance. The double damping system is a floating mechanism. The characteristics of the floating mechanism have an important influence on the impact energy, frequency, and power of the hydraulic rock drill. Based on orifice throttling theory, the static equilibrium position of a damping piston was calculated, and the characteristic parameters of the double damping system were summarized as damping flow (Qd) and feed force (Fd). According to the characterization parameters of the double damping system, an experimental scheme of the floating characteristics of the double damping system was designed, and the combined experimental data of Qd and Fd were obtained. The 40 groups of experimental data were extracted, and the relationship between the combination (Qd, Fd) and impact energy and frequency and power were analyzed. The combination (Qd, Fd) with maximum and minimum power was selected to analyze the motion law of an impact piston. The maximum drilling power was obtained at the combination (Qd = 8 L·min−1, Fd = 16.25 kN). The influence factors of the double damping system on impact performance were summarized, and the characteristics of the double damping system under optimal impact performance were obtained. |
| format | Article |
| id | doaj-art-549bb9a8d62544fab056b261cc1bd597 |
| institution | OA Journals |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-549bb9a8d62544fab056b261cc1bd5972025-08-20T02:05:45ZengWileyShock and Vibration1070-96221875-92032019-01-01201910.1155/2019/29428902942890Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping SystemYelin Li0Zeng Bin1Yi Tu2Hunan Province Cooperative Innovation Center for the Construction & Development of Dongting Lake Ecological Economic Zone, Hunan University of Arts and Science, Changde 415000, ChinaHunan Province Cooperative Innovation Center for the Construction & Development of Dongting Lake Ecological Economic Zone, Hunan University of Arts and Science, Changde 415000, ChinaHunan Province Cooperative Innovation Center for the Construction & Development of Dongting Lake Ecological Economic Zone, Hunan University of Arts and Science, Changde 415000, ChinaAs a technological innovation of high-power hydraulic rock drill, double damping system has a very important effect on impact performance. The double damping system is a floating mechanism. The characteristics of the floating mechanism have an important influence on the impact energy, frequency, and power of the hydraulic rock drill. Based on orifice throttling theory, the static equilibrium position of a damping piston was calculated, and the characteristic parameters of the double damping system were summarized as damping flow (Qd) and feed force (Fd). According to the characterization parameters of the double damping system, an experimental scheme of the floating characteristics of the double damping system was designed, and the combined experimental data of Qd and Fd were obtained. The 40 groups of experimental data were extracted, and the relationship between the combination (Qd, Fd) and impact energy and frequency and power were analyzed. The combination (Qd, Fd) with maximum and minimum power was selected to analyze the motion law of an impact piston. The maximum drilling power was obtained at the combination (Qd = 8 L·min−1, Fd = 16.25 kN). The influence factors of the double damping system on impact performance were summarized, and the characteristics of the double damping system under optimal impact performance were obtained.http://dx.doi.org/10.1155/2019/2942890 |
| spellingShingle | Yelin Li Zeng Bin Yi Tu Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System Shock and Vibration |
| title | Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System |
| title_full | Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System |
| title_fullStr | Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System |
| title_full_unstemmed | Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System |
| title_short | Research on Impact Performance of Hydraulic Rock Drill with Floating Characteristics of Double Damping System |
| title_sort | research on impact performance of hydraulic rock drill with floating characteristics of double damping system |
| url | http://dx.doi.org/10.1155/2019/2942890 |
| work_keys_str_mv | AT yelinli researchonimpactperformanceofhydraulicrockdrillwithfloatingcharacteristicsofdoubledampingsystem AT zengbin researchonimpactperformanceofhydraulicrockdrillwithfloatingcharacteristicsofdoubledampingsystem AT yitu researchonimpactperformanceofhydraulicrockdrillwithfloatingcharacteristicsofdoubledampingsystem |