CN102749191A - Comprehensive test stand for simulating lunar soil exploration coring thermal property parameters - Google Patents

Comprehensive test stand for simulating lunar soil exploration coring thermal property parameters Download PDF

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Publication number
CN102749191A
CN102749191A CN2012102502889A CN201210250288A CN102749191A CN 102749191 A CN102749191 A CN 102749191A CN 2012102502889 A CN2012102502889 A CN 2012102502889A CN 201210250288 A CN201210250288 A CN 201210250288A CN 102749191 A CN102749191 A CN 102749191A
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China
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lunar soil
frame
wheel
drilling
drilling rod
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CN2012102502889A
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CN102749191B (en
Inventor
吴湘
邓宗全
唐德威
侯绪研
全齐全
姜生元
崔金生
赵德明
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

The invention discloses a comprehensive test stand for simulating lunar soil exploration coring thermal property parameters. The test stand is characterized in that a rack is arranged on a base; a lunar soil bucket is arranged below the rack; a vertical guide track is arranged on the rack; a drilling machine is in sliding connection with the guide track; a rotary shaft is arranged above the rack and connected with a constant force loading wheel; a traction rope is wound inside a helix groove in the surface of the constant force loading wheel; one end of the traction rope is fixed on the constant force loading wheel; the other end of the traction rope is connected with a loading block; the rotary shaft is further connected with a worm wheel; a worm rod is arranged on the rack corresponding to the worm wheel; the worm wheel is connected with a driving shaft of a motor; the rotary shaft is connected with a loading gear; the drilling machine is connected through a chain which is meshed with the loading gear and a support gear; an axial force sensor and a torque sensor are arranged between a drilling rod and a drill bit; a temperature sensor is connected with the drill bit; and three sensor leads are connected with a hole through sliding ring. The test stand is compact in structure, high in measurement precision, capable of reflecting a real working condition, and important for deep space exploration.

Description

Simulation lunar soil core drilling thermodynamic property parametric synthesis testing table
Technical field:
The invention belongs to space flight and aviation testing of equipment experiment field, relate to simulation lunar soil core drilling thermodynamic property parametric synthesis testing table, the thermodynamic property of drill bit work when being used for the testing drilling lunar soil.
Background technology:
Space flight and aviation is the human natural forward position engineering of exploring, and walking space-ward has become the requisite sign of science and technology power, and the lunar exploration engineering is one of important content of China's aerospace industry next stage; Lunar exploration engineering before mainly is to understand the moon through remote measurement remote sensing, and the mysterious veil that wants to open lunar environment finally still will be realized through landing on the moon, and will launch a series of scientific research project to the moon after the moonfall; Each link is all extremely important; One of them will obtain the lunar surface material sample exactly, how under low gravitational environment drilling to collect lunar soil be a very difficult thing of ten minutes, need a kind of special-purpose drill and petroleum extraction tools to implement; Different with traditional drilling tool; This drilling tool will should the little light weight of volume be convenient to send with the singularity of closing the space flight project, has high reliability again; So in the drilling tool development process, also will verify after through Theoretical Calculation through simulated experiment; Obtain first-hand experimental data as the basis that the later stage research and development are changed, in many test experiments projects, major part can use the laboratory existing equipment to carry out; And in the test event of operate portions drill bit, have one to be the thermodynamic property parameter testing that drill bit is worked under the analog operation environment; Must there be the special test platform to accomplish, do not simulate just to survey as the drill bit of working centre parts and use, so the work of examination research and development test board is imperative against the scientific development rule.
Summary of the invention:
In order better to accomplish the parameter testing of drill bit thermodynamic property, the present invention provides a kind of simulation lunar soil core drilling thermodynamic property parametric synthesis testing table, can satisfy the experiment demand, the measurement of various parameters when realization is worked to drill bit.
The technical scheme that the present invention adopts is: a kind of simulation lunar soil core drilling thermodynamic property parametric synthesis testing table; Comprise pedestal and frame, it is characterized in that frame is arranged on the pedestal, the frame below is provided with the lunar soil bucket; Frame is provided with vertical guide rail, slidely connects rig on the guide rail; The frame top is provided with the turning axle of axis horizontal, and turning axle one end is connected with constant force and loads wheel, and constant force loads wheel surface and is provided with spiral groove; Be wound with traction rope in the spiral groove, traction rope one end is fixed on constant force and loads on the wheel, and the other end connects loading blocks; Turning axle loads between wheel with constant force and is connected through key, is fixedly connected with concentric worm gear on the turning axle, and corresponding worm gear frame is provided with worm screw; Worm gear and worm mesh; Worm gear is connected with motor driving shaft, is fixedly connected with the loading gear on the turning axle, and the rig upper end is connected with chain through pulling force sensor; Chain upwards extends and extend downwards in loading gearing mesh switching-over back, and the Support Gear that is connected with the frame lower end meshes the switching-over back and is connected with the rig lower end with tensioning spring through pulling force sensor; Rig is connected with drilling rod downwards; Be provided with axial force transducer and torsion torque sensor between drilling rod and drill bit; Be connected with temperature sensor on the drill bit, three kinds of sensor leads extend to the drilling rod upper end along drilling rod inwall axial notch and pass the perforate of drilling rod wall, are connected with the via hole slip ring.
Be provided with storage line Coupling Shaft between said drilling rod and drill bit, Coupling Shaft inside is provided with the storage space of lines.
Float in the said drilling rod and be connected with the holding tube of not rotating, the holding tube bottom is provided with thermometric optical fiber, and thermometric optical fiber extends up to the rig outside along the holding tube sidewall and is connected with the demodulation main frame.
Be connected with on the said pedestal the sealed vacuum cover of housing shroud in inside.
Said frame and pedestal flexibly connect, and frame is provided with gravity and center of gravity governor motion.
Be provided with the lunar soil stationary installation in the said lunar soil bucket.
Said via hole slip ring has been electrically connected the data analysis processor.
The present invention can realize axial force, the torsion under the different simulated environments, the measurement of temperature parameters; Compact conformation; Measuring accuracy is high, can react real operating mode, for research and development provide effectively experimental data reliably; The drill bit that is applicable to the drilling of menology material for development lays the first stone, and is great to the lunar exploration engineering significance.
Description of drawings:
Fig. 1 is an embodiment of the invention one-piece construction synoptic diagram.
Indicate title among the figure: 1 pedestal; 2 frames; 3 lunar soil buckets; 4 guide rails; 5 rigs; 6 turning axles; 7 constant force load wheel; 8 traction ropes; 9 loading blocks; 10 worm gears; 11 worm screws; 12 motors; 13 load gear; 14 pulling force sensors; 15 chains; 16 Support Gears; 17 drilling rods.
Embodiment:
The embodiment of the invention as shown in Figure 1; This simulation lunar soil core drilling thermodynamic property parametric synthesis testing stand comprises pedestal 1 and frame 2, and frame 2 is placed on the pedestal 1, and frame 2 belows are provided with lunar soil bucket 3; Lunar soil bucket 3 built-in simulation lunar soil; The simulation lunar soil can have different formation schemes by supposition, and frame 2 is provided with vertical guide rail 4, and guide rail 4 slidely connects rig 5 by slide block; Frame 2 tops are provided with the rotating shaft 6 of axis horizontal, and rotating shaft 6 one ends are connected with constant force and load wheel 7, and constant force loads wheel 7 surfaces and is provided with helical groove; Be wound with pull rope 8 in the helical groove, pull rope 8 one ends are fixed on constant force and load on the wheel 7, and the other end connects loading blocks 9; Rotating shaft 6 loads 7 on wheel with constant force and is connected by spline, and constant force loading wheel 7 can be extracted the transposing direction and change rotating shaft 6 direction of rotation, is fixedly connected with concentric worm gear 10 on the rotating shaft 6; But corresponding worm gear 10 frames 2 are provided with the worm screw 11 of clutch; Worm gear 10 and worm screw 11 engagements when needing transferring power, worm gear 10 does not separate with worm screw 11 when not needing graduating power, is connected with motor 12 on the worm gear 10; Be fixedly connected with on the rotating shaft 6 and load gear 13; Rig 5 upper ends are connected with chain 15 by pulling force sensor 14, and chain 15 upwards extends and the 13 engagement commutation back extensions downwards of loading gear, and the Support Gear 16 engagement commutation backs that are connected with frame 2 lower ends are connected with rig 5 lower ends with tensioning spring by pulling force sensor 14; Rig 5 is connected with drilling rod 17 downwards; Be provided with axial force transducer and torsion torque sensor between drilling rod 17 and drill bit; Be connected with temperature sensor on the drill bit, three kinds of sensor leads extend to drilling rod 17 upper ends along drilling rod 17 inwall axial notches and pass drilling rod 17 wall perforates, are connected with the via hole slip ring; Float in the drilling rod 17 and be connected with the holding tube of not rotating, the holding tube bottom is provided with thermometric optical fiber, and thermometric optical fiber extends up to rig 5 outsides along the holding tube sidewall and is connected with the demodulation main frame.
During experiment, can realize rig 5 axially being loaded, can realize rig 5 axially being loaded with different constant speedpumps through the adjustment of motor 12 rotating speeds with different constant force through regulating loading blocks 9 quality; Select a kind of lunar soil that constitutes scheme to be fixed on lunar soil bucket 3 inside; Starting rig 5 selects loading mode to bore down; Beginning drilling test; In the going down process axially force transducer, torsion torque sensor, temperature sensor through the via hole slip ring signal is delivered to the data analysis processor, the main frame of demodulation is simultaneously delivered to the data analysis processor after with the detected signal demodulation of thermometric optical fiber, the detected signal of pulling force sensor is delivered to the data analysis processor, the data analysis processor draws curve spectrum after the signal data of receiving is compared computing; Be used to judge whether drill bit meets space probing needs, for follow-up research and development provide reference frame; This test platform structure is compact, and measuring accuracy is high, can react real operating mode, is applicable to the drilling drill bit under the exploitation varying environment, and is significant to lunar exploration engineering and even later deep space mars exploration.
Can also between drilling rod and drill bit, establish storage line Coupling Shaft when the present invention implements, Coupling Shaft inside is provided with the storage space of lines, can signal wire unnecessary in the drilling rod be taken in; Can also on frame 2, connect and to move horizontally the loading case, load case quality and position, can regulate frame 2 gravity and center of gravity, be used to simulate the rig back-up environment through regulating; Connect the sealed vacuum cover that frame 2 is covered on inside on the pedestal 1 more as required, be used to simulate vacuum environment test drill bit physochlaina infudibularis amount.

Claims (7)

1. simulate lunar soil core drilling thermodynamic property parametric synthesis testing table for one kind; Comprise pedestal (1) and frame (2); It is characterized in that frame (2) is arranged on the pedestal (1); Frame (2) below is provided with lunar soil bucket (3), and frame (2) is provided with vertical guide rail (4), slidely connects rig (5) on the guide rail (4); Frame (2) top is provided with the turning axle (6) of axis horizontal; Turning axle (6) one ends are connected with constant force and load wheel (7); Constant force loads wheel (7) surface and is provided with spiral groove, is wound with traction rope (8) in the spiral groove, and traction rope (8) one ends are fixed on constant force and load on the wheel (7); The other end connects loading blocks (9); Turning axle (6) loads between wheel (7) with constant force and is connected through key, is fixedly connected with concentric worm gear (10) on the turning axle (6), and corresponding worm gear (10) frame (2) is provided with worm screw (11); Worm gear (10) and worm screw (11) engagement; Worm gear (10) is connected with motor (12) driving shaft, is fixedly connected with on the turning axle (6) to load gear (13), and rig (5) upper end is connected with chain (15) through pulling force sensor (14); Chain (15) upwards extends and the extension downwards of loading gear (13) engagement switching-over back, and the Support Gear (16) that is connected with frame (2) lower end engagement switching-over back is connected with rig (5) lower end with tensioning spring through pulling force sensor (14); Rig (5) is connected with drilling rod (17) downwards; Be provided with axial force transducer and torsion torque sensor between drilling rod (17) and drill bit; Be connected with temperature sensor on the drill bit; Three kinds of sensor leads extend to drilling rod (17) upper end along drilling rod (17) inwall axial notch and pass drilling rod (17) wall perforate, are connected with the via hole slip ring.
2. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1 is characterized in that being provided with between said drilling rod (17) and drill bit storage line Coupling Shaft, and Coupling Shaft inside is provided with the storage space of lines.
3. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1; It is characterized in that floating in the said drilling rod (17) and be connected with the maintenance pipe that does not rotate; Maintenance pipe bottom is provided with thermometric optical fiber, and thermometric optical fiber is connected with the demodulation main frame along keeping the pipe sidewall to extend up to rig (5) outside.
4. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1 is characterized in that being connected with on the said pedestal (1) the sealed vacuum cover that frame (2) is covered on inside.
5. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1 is characterized in that said frame (2) and pedestal (1) flexibly connect, and frame (2) is provided with gravity and center of gravity governor motion.
6. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1 is characterized in that being provided with the lunar soil stationary installation in the said lunar soil bucket (3).
7. simulation lunar soil core drilling thermodynamic property parametric synthesis testing table according to claim 1 is characterized in that said via hole slip ring has been electrically connected the data analysis processor.
CN201210250288.9A 2012-07-19 2012-07-19 Comprehensive test stand for simulating lunar soil exploration coring thermal property parameters Active CN102749191B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798577A (en) * 2012-07-20 2012-11-28 北京卫星制造厂 Lunar-environment-simulated cutting test device
CN103786907A (en) * 2014-01-23 2014-05-14 北京航空航天大学 Vacuum tank capable of simulating vacuum environment of moon and provided with rotatable inner cylinder
CN104062141A (en) * 2014-07-03 2014-09-24 哈尔滨工业大学 Lunar soil drilling exploration coring mechanism performance test system
CN104122381A (en) * 2014-07-08 2014-10-29 北京航空航天大学 High and low temperature vacuum lunar soil environment simulator
CN104712253A (en) * 2013-12-17 2015-06-17 邹健 Measurement well drill
CN104748886A (en) * 2015-03-23 2015-07-01 哈尔滨工业大学 Method for monitoring phased work temperature peak values of drill during lunar soil drilling and sampling process in real time
CN105004541A (en) * 2015-06-25 2015-10-28 北京航空航天大学 Selenographic environment simulation device used for simulating selenographic drilling test
CN105043797A (en) * 2015-06-25 2015-11-11 北京航空航天大学 Heavy duty apparatus rotating and fastening mechanism in vacuum environment
CN105158001A (en) * 2015-08-21 2015-12-16 中国地质大学(北京) Experiment table for simulating micro-drilling operation in vacuum and waterless condition
CN105221695A (en) * 2015-10-23 2016-01-06 哈尔滨工业大学 Low friction space constant torsion spring cam mechanism
CN106895991A (en) * 2017-03-10 2017-06-27 中国地质科学院勘探技术研究所 A kind of micro- brill testing stand of ultrasonic wave for simulating moon probing
CN108225804A (en) * 2017-12-18 2018-06-29 北京卫星制造厂 One kind drills through test method and pilot system
CN109403950A (en) * 2018-12-05 2019-03-01 北京卫星制造厂有限公司 A kind of star earth drills through driving and Control System Imitation modeling method
CN109519165A (en) * 2018-12-29 2019-03-26 中国科学院沈阳自动化研究所 A kind of test device and its test method of simulated microgravity probing
CN109632275A (en) * 2018-12-14 2019-04-16 北京卫星制造厂有限公司 A kind of drilling tool thermal characteristics equivalent method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100235717B1 (en) * 1996-12-21 1999-12-15 정몽규 Jig for testing dynamic characteristic of bush type insulator
CN2859499Y (en) * 2005-11-11 2007-01-17 洛阳轴研科技股份有限公司 Mud-spraying testing machine for vehicle hub bearing
CN201555777U (en) * 2009-11-04 2010-08-18 中国第一汽车集团公司 Pure bending loading device for mechanical property tests
CN101899970A (en) * 2010-08-10 2010-12-01 哈尔滨工业大学 Working parameter testing system of vertical drilling tool and working parameter testing method thereof
CN102507172A (en) * 2011-10-24 2012-06-20 哈尔滨工业大学 Device for testing drilling performance of drilling tool for sampling deep layer of planet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100235717B1 (en) * 1996-12-21 1999-12-15 정몽규 Jig for testing dynamic characteristic of bush type insulator
CN2859499Y (en) * 2005-11-11 2007-01-17 洛阳轴研科技股份有限公司 Mud-spraying testing machine for vehicle hub bearing
CN201555777U (en) * 2009-11-04 2010-08-18 中国第一汽车集团公司 Pure bending loading device for mechanical property tests
CN101899970A (en) * 2010-08-10 2010-12-01 哈尔滨工业大学 Working parameter testing system of vertical drilling tool and working parameter testing method thereof
CN102507172A (en) * 2011-10-24 2012-06-20 哈尔滨工业大学 Device for testing drilling performance of drilling tool for sampling deep layer of planet

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798577A (en) * 2012-07-20 2012-11-28 北京卫星制造厂 Lunar-environment-simulated cutting test device
CN104712253A (en) * 2013-12-17 2015-06-17 邹健 Measurement well drill
CN103786907A (en) * 2014-01-23 2014-05-14 北京航空航天大学 Vacuum tank capable of simulating vacuum environment of moon and provided with rotatable inner cylinder
CN103786907B (en) * 2014-01-23 2016-03-02 北京航空航天大学 A kind of rotatable vacuum reservoir of inner core of simulating moon vacuum environment
CN104062141A (en) * 2014-07-03 2014-09-24 哈尔滨工业大学 Lunar soil drilling exploration coring mechanism performance test system
CN104122381B (en) * 2014-07-08 2016-01-13 北京航空航天大学 A kind of vacuum high/low temperature lunar soil environment simulator and analogy method thereof
CN104122381A (en) * 2014-07-08 2014-10-29 北京航空航天大学 High and low temperature vacuum lunar soil environment simulator
CN104748886A (en) * 2015-03-23 2015-07-01 哈尔滨工业大学 Method for monitoring phased work temperature peak values of drill during lunar soil drilling and sampling process in real time
CN105043797A (en) * 2015-06-25 2015-11-11 北京航空航天大学 Heavy duty apparatus rotating and fastening mechanism in vacuum environment
CN105004541A (en) * 2015-06-25 2015-10-28 北京航空航天大学 Selenographic environment simulation device used for simulating selenographic drilling test
CN105043797B (en) * 2015-06-25 2017-10-17 北京航空航天大学 The rotation of heavy device and retaining mechanism in a kind of vacuum environment
CN105158001A (en) * 2015-08-21 2015-12-16 中国地质大学(北京) Experiment table for simulating micro-drilling operation in vacuum and waterless condition
CN105221695A (en) * 2015-10-23 2016-01-06 哈尔滨工业大学 Low friction space constant torsion spring cam mechanism
CN105221695B (en) * 2015-10-23 2017-11-03 哈尔滨工业大学 Low friction space perseverance torsion spring cam mechanism
CN106895991A (en) * 2017-03-10 2017-06-27 中国地质科学院勘探技术研究所 A kind of micro- brill testing stand of ultrasonic wave for simulating moon probing
CN106895991B (en) * 2017-03-10 2023-10-20 中国地质科学院勘探技术研究所 Ultrasonic micro-drilling test bed for simulating moon drilling
CN108225804A (en) * 2017-12-18 2018-06-29 北京卫星制造厂 One kind drills through test method and pilot system
CN109403950A (en) * 2018-12-05 2019-03-01 北京卫星制造厂有限公司 A kind of star earth drills through driving and Control System Imitation modeling method
CN109632275A (en) * 2018-12-14 2019-04-16 北京卫星制造厂有限公司 A kind of drilling tool thermal characteristics equivalent method
CN109519165A (en) * 2018-12-29 2019-03-26 中国科学院沈阳自动化研究所 A kind of test device and its test method of simulated microgravity probing

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