CN111122227A - Rotary motor and ultrasonic drill coaxial type asteroid sampler - Google Patents
Rotary motor and ultrasonic drill coaxial type asteroid sampler Download PDFInfo
- Publication number
- CN111122227A CN111122227A CN201811277199.7A CN201811277199A CN111122227A CN 111122227 A CN111122227 A CN 111122227A CN 201811277199 A CN201811277199 A CN 201811277199A CN 111122227 A CN111122227 A CN 111122227A
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- rod
- drill
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- ultrasonic
- sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention provides a coaxial asteroid sampler of a rotary motor and an ultrasonic drill, which comprises a detector body, a telescopic mechanism, a sampling drill, an air blowing mechanism and a return capsule, wherein the telescopic mechanism, the air blowing mechanism and the return capsule are all arranged on the detector body, the sampling drill is arranged at the tail end of the telescopic mechanism, the air blowing mechanism is communicated with the sampling drill and the return capsule, and the telescopic mechanism drives the sampling drill to move up and down. The rotary motor and ultrasonic drill coaxial type asteroid sampler adopts ultrasonic drilling with low drilling pressure and high efficiency, and realizes asteroid surface sampling based on spiral drilling sampling.
Description
Technical Field
The invention belongs to the technical field of space resource detection, and particularly relates to a rotary motor and ultrasonic drill coaxial type asteroid sampler.
Background
The small planet has small geological evolution, retains a lot of early information, and has profound significance for researching the origin of a solar system and developing space resources. The most common method for asteroid detection is to collect the star soil for analysis, and the detector must be attached to the surface of the asteroid or fixed relative to the asteroid during sampling. However, the gravity of the surface of the asteroid is very small, if the detector is rigidly connected with the surface of the asteroid, the impact force generated during sampling can have adverse effects on the detector, and if the detector is flexibly connected, the test is provided for sampling equipment. The sampling mechanism must work under its microgravity condition, the sampling process must be pollution-free, and it is light in weight and low in power consumption. In addition, the drilling difficulty is increased by the unknown composition of the asteroid. Therefore, the conventional methods such as drilling sampling and excavation sampling are difficult to be applied to a sampling robot, and a sampler having high autonomy needs to be developed.
Disclosure of Invention
In view of the above, the invention aims to provide a rotary motor and ultrasonic drill coaxial type asteroid sampler, which adopts ultrasonic drilling with low drilling pressure and high efficiency to realize asteroid surface sampling based on spiral drilling sampling; the rotary motor and the ultrasonic drill are coaxially arranged, and the structure is simple.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a rotary motor bores coaxial-type asteroid sample thief with ultrasonic wave, includes that detector body, telescopic machanism, sampling bore, air-blowing mechanism and reentry module, telescopic machanism, air-blowing mechanism and reentry module all install on the detector body, the sampling bore the end that sets up at telescopic machanism, air-blowing mechanism intercommunication sampling bore and reentry module, telescopic machanism drive sampling bore and reciprocate.
Furthermore, the sampling drill comprises a motor, a coupler, a piezoelectric transducer, an ultrasonic drill shell, a spiral drill rod, a drill rod sleeve, a transmission shaft, a motor support frame and a restoring spring, the motor support frame is fixed at the upper end of the ultrasonic drill shell, the drill rod sleeve is fixed at the lower end of the ultrasonic drill shell, the piezoelectric transducer comprises a rear cover plate, a piezoelectric ceramic stack and an amplitude transformer, the amplitude transformer is fixed on the ultrasonic drill shell, the amplitude transformer is a hollow rod body with a wide upper part and a narrow lower part, a wide section is arranged in the ultrasonic drill shell and extends into a cavity of the rear cover plate, a narrow section is arranged in the ultrasonic drill shell and is connected with one end of the spiral drill rod, the wide section of the amplitude transformer compresses the piezoelectric ceramic stack on the rear cover plate, the other end of the spiral drill rod penetrates through the drill rod sleeve, the motor is arranged on the motor support frame, and two sides of the coupler are respectively connected, the ultrasonic drill comprises an ultrasonic drill shell, a transmission shaft, a motor, a coupler, a restoring spring, an air inlet, a sample outlet, an amplitude transformer, a motor shaft, a.
Furthermore, the telescopic mechanism comprises a first level rod, a second level rod, a third level rod, a feed motor support and a lead screw, the third level rod is arranged in the second level rod in a sliding mode, the second level rod is arranged in the first level rod in a sliding mode, the top end of the first level rod is installed on the detector body, the tail end of the third level rod is connected with a motor support frame, the feed motor is installed on the feed motor support, the feed motor support is installed inside the third level rod, an output shaft of the feed motor is connected with the lead screw, a nut is matched on the lead screw and fixed at the top end of the first level rod, the feed motor drives the lead screw to rotate, and feed motion of each level rod is achieved under the constraint of the nut.
Further, the air blowing mechanism comprises an air tank, an air inlet pipe and a sample pipe, the air tank is fixed on the detector body and is communicated with the air inlet through the air inlet pipe, and the sample pipe is communicated with the sample outlet and the return cabin.
Furthermore, a bearing is arranged at the position where the restoring spring abuts against the ultrasonic drill shell, one end of the restoring spring presses the spiral drill rod to enable the end face of the spiral drill rod to be attached to the amplitude transformer, and the other end of the restoring spring presses the bearing to enable the spiral drill rod to be attached to the ultrasonic drill shell.
Further, the shaft coupling sets up in the motor support frame.
Further, the motor support frame is connected with the ultrasonic drill shell through bolts.
Compared with the prior art, the rotary motor and ultrasonic drill coaxial type asteroid sampler has the following advantages:
the rotary motor and ultrasonic drill coaxial type asteroid sampler is characterized in that ① adopts ultrasonic drilling with low drilling pressure and high efficiency to realize asteroid surface sampling based on spiral drilling sampling, ② arranges the rotary motor and the ultrasonic drill coaxially, the structure is simple, ③ adopts air blowing sampling to realize asteroid surface sampling, and ④ adopts a telescopic mechanism to realize asteroid surface point selection sampling.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a rotary motor and ultrasonic drill coaxial asteroid sampler according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the telescoping mechanism;
fig. 3 is a schematic structural diagram of a sampling drill.
Description of reference numerals:
1-a detector body, 2-a gas tank, 3-a gas inlet pipe, 4-a telescopic mechanism, 4-1-a first-stage rod, 4-2-a second-stage rod, 4-3-a third-stage rod, 4-4-a ruler motor, 4-5-a ruler motor bracket, 4-6-a screw rod, 4-7-a nut, 5-a sample pipe, 6-a sampling drill, 6-1-a motor, 6-2-a coupler, 6-3-a piezoelectric transducer, 6-3-1-a rear cover plate, 6-3-2-a piezoelectric ceramic stack, 6-3-3-a variable amplitude rod, 6-4-an ultrasonic drill shell, 6-5-a spiral drill rod and 6-6-a drill rod sleeve, 6-7-transmission shaft, 6-8-motor support frame, 6-9-recovery spring, 6-10-bearing, 6-11-sample outlet, 6-12-air inlet and 7-return cabin.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-3, the rotary motor and ultrasonic drill coaxial type asteroid sampler comprises a detector body 1, a telescopic mechanism 4, a sampling drill 6, an air blowing mechanism and a returning capsule 7, wherein the telescopic mechanism 4, the air blowing mechanism and the returning capsule are all installed on the detector body 1, the sampling drill is arranged at the tail end of the telescopic mechanism, the air blowing mechanism is communicated with the sampling drill and the returning capsule, and the telescopic mechanism drives the sampling drill to move up and down.
The sampling drill comprises a motor 6-1, a coupler 6-2, a piezoelectric transducer 6-3, an ultrasonic drill shell 6-4, a spiral drill rod 6-5, a drill rod sleeve 6-6, a transmission shaft 6-7, a motor support frame 6-8 and a restoring spring 6-9, wherein the motor support frame 6-8 is fixed at the upper end of the ultrasonic drill shell 6-4, the drill rod sleeve 6-6 is fixed at the lower end of the ultrasonic drill shell 6-4, the piezoelectric transducer 6-3 comprises a rear cover plate 6-3-1, a piezoelectric ceramic stack 6-3-2 and an amplitude transformer 6-3-3, the amplitude transformer 6-3-3 is fixed on the ultrasonic drill shell 6-4, and the amplitude transformer 6-3-3 is a hollow rod body with a wide upper part and a narrow lower part, the wide section is arranged in the ultrasonic drill shell 6-4 and extends into the cavity of the rear cover plate 6-3-1, the narrow section is arranged in the ultrasonic drill shell 6-4 and is connected with one end of a spiral drill rod 6-5, the wide section of the amplitude transformer 6-3-3 compresses a piezoelectric ceramic stack 6-3-2 on the rear cover plate 6-3-1, the other end of the spiral drill rod 6-5 penetrates through a drill rod sleeve 6-6, the motor 6-1 is arranged on a motor support frame 6-7, two sides of the coupler 6-2 are respectively connected with an output shaft of the motor 6-1 and a transmission shaft 6-7, the transmission shaft 6-7 penetrates through the amplitude transformer 6-3 and is connected with the spiral drill rod 6-5, the motor 6-1 transmits power to the transmission shaft 6-7 through the coupler 6-2, the transmission shaft 6-7 drives the spiral drill rod 6-5 to do rotary motion, a restoring spring 6-9 is sleeved on the spiral drill rod 6-5 inside the ultrasonic drill shell 6-4, and the drill rod sleeve 6-6 is provided with an air inlet 6-12 and a sample outlet 6-11.
The telescoping mechanism 4 comprises a first level rod 4-1, a second level rod 4-2, a third level rod 4-3, a footage motor 4-4, a footage motor support 4-5 and a screw rod 4-6, the third level rod 4-3 is arranged in the second level rod 4-2 in a sliding manner, the second level rod 4-2 is arranged in the first level rod 4-1 in a sliding manner, the top end of the first level rod 4-1 is arranged on the detector body 1, the tail end of the third level rod 4-3 is connected with a motor support frame 6-8, the footage motor 4-4 is arranged on the footage motor support 4-5, the footage motor support 4-5 is arranged in the third level rod 4-3, the output shaft of the footage motor 4-4 is connected with the screw rod 4-6, the screw rod 4-6 is matched with a screw nut 4-7, the screw nut 4-7 is fixed at the top end of the first grade rod 4-1, the feed motor 4-4 drives the screw rod 4-6 to rotate, and the feed motion of each grade rod is realized under the constraint of the screw nut 4-7.
The air blowing mechanism comprises an air tank 2, an air inlet pipe 3 and a sample pipe 5, wherein the air tank 2 is fixed on the detector body 1, the air tank 2 is communicated with an air inlet 6-12 through the air inlet pipe 3, and the sample pipe 5 is communicated with a sample outlet 6-11 and a return cabin 7.
A bearing 6-10 is arranged at the position where the restoring spring 6-9 abuts against the ultrasonic drill shell 6-4, one end of the restoring spring 6-9 tightly presses the spiral drill rod 6-5 to enable the end face of the spiral drill rod to be attached to the amplitude transformer 6-3-3, and the other end of the restoring spring tightly presses the bearing 6-10 to enable the spiral drill rod to be attached to the ultrasonic drill shell 6-4.
The coupler 6-2 is arranged in the motor support frame 6-8, and the motor support frame 6-8 is connected with the ultrasonic drill shell 6-4 through bolts.
The working principle of the sampler is as follows:
after the detector body 1 is attached and anchored on the surface of a asteroid, a lead screw 4-6 is driven to move by a feed motor 4-4, a screw nut 4-7 is fixed on a first level rod 4-1, the first level rod 4-1 is fixed on the detector body 1, so that the movement of the lead screw 4-6 and the feed motor 4-4 is realized under the constraint of the screw nut 4-7, the feed motor 4-4 drives a third level rod 4-3 to expand, the third level rod 4-3 expands and then pulls a second level rod 4-2 to expand, the telescopic mechanism 4 is completely expanded till the telescopic mechanism 4 is completely expanded, a sampling drill 6 reaches a proper position on the surface of the asteroid, the detector body 1 selects a target sampling point according to the morphological characteristics of a target sampling area, and a piezoelectric ceramic stack 6-3-2 of a piezoelectric transducer 6-3 generates high-frequency longitudinal vibration after high-frequency sinusoidal alternating voltage, the amplitude transformer 6-3-3 amplifies the high-frequency longitudinal vibration to drive the spiral drill rod 6-7 to vibrate in a high-frequency longitudinal direction; meanwhile, the motor 6-1 drives the spiral drill rod 6-5 to make rotary motion through the coupler 6-2 and the transmission shaft 6-7, the working mode of the spiral drill rod 6-5 of the sampling drill 6 is the coupling of the rotary motion and longitudinal high-frequency vibration, the telescopic mechanism 4 provides drilling pressure for the sampling drill 6, the longitudinal high-frequency vibration of the spiral drill rod 6-5 breaks rocks and quickly drills into the surface of a asteroid, meanwhile, the rotary motion of the spiral drill rod 6-5 conveys the broken rock fragments into a cavity of the drill rod sleeve 6-6 through a spiral groove of the spiral drill rod, gas discharged from the gas tank 2 enters the cavity of the drill rod sleeve 6-6 from the gas inlet 6-12 along the gas inlet pipe 3, and the rock fragments in the cavity are blown out from the sample outlet 6-11 and enter the return cabin 7 along the sample pipe 5 to finish a sampling.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a rotating electrical machines bores coaxial-type asteroid sample thief with ultrasonic wave which characterized in that: including detector body (1), telescopic machanism (4), sampling brill (6), air-blowing mechanism and recoverable capsule (7), telescopic machanism (4), air-blowing mechanism and recoverable capsule (7) all install on detector body (1), the sampling bore (6) set up the end at telescopic machanism (4), air-blowing mechanism intercommunication sampling brill (6) and recoverable capsule (7), telescopic machanism (4) drive sampling bore (6) reciprocate.
2. The rotary motor and ultrasonic drill coaxial asteroid sampler of claim 1, characterized in that: the sampling drill comprises a motor (6-1), a coupler (6-2), a piezoelectric transducer (6-3), an ultrasonic drill shell (6-4), a spiral drill rod (6-5), a drill rod sleeve (6-6), a transmission shaft (6-7), a motor support frame (6-8) and a restoring spring (6-9), wherein the motor support frame (6-8) is fixed at the upper end of the ultrasonic drill shell (6-4), the drill rod sleeve (6-6) is fixed at the lower end of the ultrasonic drill shell (6-4), the piezoelectric transducer (6-3) comprises a rear cover plate (6-3-1), a piezoelectric ceramic stack (6-3-2) and an amplitude transformer (6-3-3), and the amplitude transformer (6-3-3) is fixed on the ultrasonic drill shell (6-4), the amplitude transformer (6-3-3) is a hollow rod body with a wide upper part and a narrow lower part, the wide section is arranged in the ultrasonic drill shell (6-4) and extends into the cavity of the rear cover plate (6-3-1), the narrow section is arranged in the ultrasonic drill shell (6-4) and is connected with one end of a spiral drill rod (6-5), the wide section of the amplitude transformer (6-3-3) tightly presses the piezoelectric ceramic stack (6-3-2) on the rear cover plate (6-3-1), the other end of the spiral drill rod (6-5) penetrates through a drill rod sleeve (6-6) to be arranged, the motor (6-1) is arranged on a motor support frame (6-7), two sides of the coupler (6-2) are respectively connected with an output shaft of the motor (6-1) and a transmission shaft (6-7), the ultrasonic drill is characterized in that the transmission shaft (6-7) penetrates through the amplitude transformer (6-3-3) and then is connected with the spiral drill rod (6-5), the motor (6-1) transmits power to the transmission shaft (6-7) through the coupler (6-2), the transmission shaft (6-7) drives the spiral drill rod (6-5) to rotate, a restoring spring (6-9) is sleeved on the spiral drill rod (6-5) inside the ultrasonic drill shell (6-4), and the drill rod sleeve (6-6) is provided with an air inlet (6-12) and a sample outlet (6-11).
3. The rotary motor and ultrasonic drill coaxial asteroid sampler of claim 2, characterized in that: the telescopic mechanism (4) comprises a first level rod (4-1), a second level rod (4-2), a third level rod (4-3), a footage motor (4-4), a footage motor support (4-5) and a screw rod (4-6), the third level rod (4-3) is arranged in the second level rod (4-2) in a sliding manner, the second level rod (4-2) is arranged in the first level rod (4-1) in a sliding manner, the top end of the first level rod (4-1) is arranged on the detector body (1), the tail end of the third level rod (4-3) is connected with a motor support frame (6-8), the footage motor (4-4) is arranged on the footage motor support (4-5), the footage motor support (4-5) is arranged inside the third level rod (4-3), an output shaft of the feed motor (4-4) is connected with a screw rod (4-6), a nut (4-7) is matched on the screw rod (4-6), the nut (4-7) is fixed at the top end of the first grade rod (4-1), the feed motor (4-4) drives the screw rod (4-6) to rotate, and the feed motion of each grade rod is realized under the constraint of the nut (4-7).
4. The rotary motor and ultrasonic drill coaxial asteroid sampler of claim 3, characterized in that: the air blowing mechanism comprises an air tank (2), an air inlet pipe (3) and a sample pipe (5), the air tank (2) is fixed on the detector body (1), the air tank (2) is communicated with the air inlet (6-12) through the air inlet pipe (3), and the sample pipe (5) is communicated with a sample outlet (6-11) and a return cabin (7).
5. The rotary motor and ultrasonic drill coaxial asteroid sampler according to any one of claims 2 to 4, wherein: a bearing (6-10) is arranged at the position where the restoring spring (6-9) abuts against the ultrasonic drill shell (6-4), one end of the restoring spring (6-9) presses the spiral drill rod (6-5) to enable the end face of the spiral drill rod to be attached to the amplitude transformer (6-3-3), and the other end of the restoring spring presses the bearing (6-10) to enable the spiral drill rod to be attached to the ultrasonic drill shell (6-4).
6. The rotary motor and ultrasonic drill coaxial asteroid sampler of claim 5, characterized in that: the coupler (6-2) is arranged in the motor support frame (6-8).
7. The rotary motor and ultrasonic drill coaxial asteroid sampler of claim 6, characterized in that: the motor support frame (6-8) is connected with the ultrasonic drill shell (6-4) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277199.7A CN111122227A (en) | 2018-10-30 | 2018-10-30 | Rotary motor and ultrasonic drill coaxial type asteroid sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277199.7A CN111122227A (en) | 2018-10-30 | 2018-10-30 | Rotary motor and ultrasonic drill coaxial type asteroid sampler |
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| CN111122227A true CN111122227A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277199.7A Pending CN111122227A (en) | 2018-10-30 | 2018-10-30 | Rotary motor and ultrasonic drill coaxial type asteroid sampler |
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2018
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| CN203498009U (en) * | 2013-10-22 | 2014-03-26 | 安徽恒诺机电科技有限公司 | Lifting tower based on double-stage screw rods |
| CN104181006A (en) * | 2014-08-06 | 2014-12-03 | 哈尔滨工业大学 | Ultrasonic-assisted rock cutting and coring testing platform |
| CN105158016A (en) * | 2015-09-10 | 2015-12-16 | 哈尔滨工业大学 | Rotary impacting ultrasonic drill actuated by single piezoelectric stacking |
| CN107503687A (en) * | 2017-09-26 | 2017-12-22 | 吉林大学 | A kind of all-electric ultrasonic driller and drilling method |
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