月球钻孔取心机具试验与钻进规程

李大佛; 殷参; 雷艳; 许少宁; 谭松成

doi:10.3799/dqkx.2016.119

月球钻孔取心机具试验与钻进规程

doi: 10.3799/dqkx.2016.119

1.
中国地质大学长江钻头有限公司，湖北武汉 430074
2.
北京卫星制造厂，北京 100190
3.
中国地质大学工程学院，湖北武汉 430074

基金项目:

国家“十二五”重点攻关项目“月球三期工程”分支项目 20128Y101003

详细信息

作者简介:
李大佛(1937—2016)，男，教授，长期从事机械钻探与电镀技术的教学、科技及产品开发工作.E-mail:ztgs@cug.edu.cn

中图分类号: P634
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出版历程
- 收稿日期: 2016-01-10
- 刊出日期: 2016-09-15

Coring Tests of Core Drilling Tool and Analysis of Drilling Parameters

1.
Changjiang Bits Co. Ltd., China University of Geosciences, Wuhan 430074, China
2.
Beijing Satellite Manufacturing Factory, Beijing 100190, China
3.
Faculty of Engineering, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 我国探月工程第3期工程的核心任务是实现月球钻探取样和返回，明确采用钻取方式获取深2 m的月壤样品.针对月表极端钻进环境，提出一种内外管联合取心螺旋钻具，即内管软袋提拉取心，外管螺旋集输取心.模拟月壤钻进试验结果表明，该取心钻具能实现有效钻进可靠取心，特别适合小于0.6 m浅层模拟月壤钻取.试验研究了钻进规程对模拟月壤取心率和钻进功耗的影响规律，得出了钻进转速、进给速度值域与功率值域的关联性，对月球环境下取心钻具研制和钻进规程制定具有实际工程应用价值.
- 取心钻具 /
- 取心试验 /
- 钻进规程 /
- 模拟月壤 /
- 钻探
Abstract: The core task of the third stage of China's Lunar Exploration Program is to realize the lunar drilling and sampling and returning to the earth. 2-meter-deep lunar soil sampling is required through drilling method. Due to the extreme environment on the lunar surface, an auger core drillig tool with joint inner and outer pipe is proposed in this paper. The core in the inner pipe is obtained by pulling the soft bag, and the core in the outer pipe is transported to the collector by the helical blade. Drilling tests on the lunar soil simulant indicate that the auger drilling tool is reliable for coring, especially for the superficial lunar soil with depth less than 0.6 meters. The influences of drilling parameters on core recovery and drilling power consumption in the tests are studied Relationships between rotation speed, the range of drilling footage speed and power are concluded, which can facilitate the development of core drilling tools and the determination of drilling parameters in the lunar environment.
- Core drilling tool /
- coring test /
- drilling parameter /
- lunar soil simulant /
- drilling

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图 1 钻具结构示意

Fig. 1. Sketch of the coring device structure

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图 2 不同转速的变化对功率的影响

Fig. 2. Influence of rotational speed to drilling power

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图 3 转速对取心率的影响关系

Fig. 3. Influence of rotation speed to coring recovery rate

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图 4 转速对3种取心率的影响关系

Fig. 4. Influences of rotation speed to the three kinds of coring recovery rates

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图 5 转速对功率的影响关系

Fig. 5. Influence of rotation speed to drilling power

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图 6 回转转速对钻进功耗的影响

Fig. 6. Influences of rotation speed to the different components of drilling power

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图 7 钻压对钻进功耗的影响

Fig. 7. Influences of weight on bit to the different components of drilling power

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表 1 CUG-1A型模拟月壤颗粒级配分布

Table 1. Grain size distribution of the CUG-1A simulant lunar soil

粒径(mm)	＞0.075	0.075~0.050	0.050~0.010	0.010~0.005	0.005~0.002	＜0.002
含量(%)	20.0	40.3	12.5	17.4	2.5	7.3

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表 2 CUG-1A型模拟月壤与实际月壤的主要物理力学性能对比

Table 2. Comparison of the main physics and mechanics parameters between simulant and actual lunar soil

参数	密度(g/cm³)	相对密度(g/cm³)	内摩擦角(°)	内聚力(kPa)
实际月壤	1.60~1.80	2.90~3.20	25~50	0.20~1.80
模拟月壤	1.45~1.90	2.88	20~21	0.21~1.71

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表 3 内管取心试验数据

Table 3. Test data of the inner tube coring

序号	转速(r/min)	进给量(mm/min)	进尺(mm)	模拟月壤质量(g)	内管取心率(%)	功率(W)
1	40	100	750	31	23.9
2	40	100	750	92	71.1	17
3	40	100	750	125	96.7
4	80	100	730	58	44.8
5	80	100	710	103	79.6	35
6	80	100	720	74	57.2
7	120	100	690	52	60.1
8	120	100	800	88	63.8	53
9	120	100	780	106	78.8
10	160	100	790	42	30.8
11	160	100	990	131	76.7	79
12	160	100	990	139	81.4
13	200	100	990	0	0
14	200	100	990	143	83.8	100
15	200	100	990	120	70.3
16	240	100	1 000	134	77.2
17	240	100	990	32	18.7	120
18	240	100	990	131	76.7
19	280	100	990	133	77.9
20	280	100	990	144	84.3	145
21	280	100	900	76	48.9
22	320	100	900	28	18.0
23	320	100	900	13	10.9	170
24	320	100	900	97	62.5
平均				87.1	58.0

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表 4 联合取心钻进试验参数与结果

Table 4. Drilling parameters and test results of the combined inner and outer tube coring method

序号	转速 (r/min)	进给量 (mm/min)	进尺 (mm)	内管取样量 (g)	内管取心率 (%)	外管取样量 (g)	外管取心率 (%)	本机具取心率 (%)	功率 (W)
1	40	100	800	77	55.8	580	86.2	81.0
2	40	100	800	87	63.1	602	89.5	85.0	13
3	40	100	800	100	72.5	590	87.7	85.1
4	80	100	800	97	70.3	640	95.1	90.1
5	80	100	800	118	85.5	655	97.3	95.3	31
6	80	100	800	123	89.2	601	89.3	89.2
7	120	100	800	128	92.8	652	96.8	96.2
8	120	100	800	126	91.3	705	104.7	102.3	61
9	120	100	800	120	87.0	580	86.2	86.3
10	160	100	800	130	94.2	715	106.2	104.2
11	160	100	800	71	51.4	715	106.2	97.0	70
12	160	100	740	91	71.3	767	123.2	114.4
13	200	100	720	106	85.4	609	100.5	97.9
14	200	100	800	124	89.8	743	110.5	107.0	90
15	200	100	800	109	79.0	600	89.1	87.5
16	240	100	800	103	74.6	700	104.0	99.0
17	240	100	800	85	91.6	802	119.2	109.3	120
18	240	100	800	116	84.1	745	110.7	106.2
19	280	100	680	100	85.2	623	108.9	104.8
20	280	100	720	108	87.0	685	113.1	108.6	130
21	280	100	800	117	84.8	741	110.1	103.8
22	320	100	800	131	95.0	789	117.2	113.5
23	320	100	710	75	61.5	685	114.7	105.6	150
24	320	100	800	124	89.5	687	102.1	100.0
平均				106.9	80.4	675.4	102.8	98.7

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