CN111103127B - Planet gear detector anchoring force and anchoring moment test platform - Google Patents
Planet gear detector anchoring force and anchoring moment test platform Download PDFInfo
- Publication number
- CN111103127B CN111103127B CN201811251894.6A CN201811251894A CN111103127B CN 111103127 B CN111103127 B CN 111103127B CN 201811251894 A CN201811251894 A CN 201811251894A CN 111103127 B CN111103127 B CN 111103127B
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- anchoring
- force
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- asteroid
- experiment table
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Abstract
The invention provides an anchoring force and anchoring moment test platform for a asteroid detector, wherein an experiment table base of the test platform is positioned at the bottom of an experiment table support, a sample container is fixedly connected to the experiment table base and used for containing sample soil simulating the surface of a asteroid, an anchoring mechanism platform is positioned above an anchoring device to be tested, a central hole is formed in the center of the anchoring mechanism platform, a limiting buffer device penetrates through the central hole of the anchoring mechanism platform and is fixedly connected with the experiment table base, a pulley block is arranged at the top of the experiment table support, a rope bypasses one end of the pulley block and is connected with the anchoring mechanism platform, the other end of the rope is connected with a force loading device, and a force sensor is arranged on the rope. The problem of prior art scientific research personnel can't the accurate anchoring performance that obtains detector anchor mechanism on the asteroid surface is solved. The test platform can measure the anchoring force and the anchoring torque of the asteroid probe anchoring device under the conditions of different anchoring angles, different asteroid surface simulation materials and different drilling depths.
Description
Technical Field
The invention relates to an anchoring force and anchoring torque test platform of an anchoring device of a asteroid detector, and belongs to the field of ground simulation experiments of asteroid detection.
Background
With the continuous deepening of the detection of the asteroid in recent years, the asteroid detector starts to change from a detection form of fly-by-fly, fly-around, one touch and one touch to get away and the like to a detection form of the asteroid surface landing. At present, the falcon 2 asteroid detector launched in Japan carries a small lander "Snell 2" to detect the surface landing of the asteroid while carrying the traditional "one touch is the separation" type sampling. Because the surface attraction of the minor planet is weak, after the detector lands, the detector can bounce from the surface of the minor planet due to a larger reaction force, and subsequent detection work cannot be carried out, so that the minor planet detector needs to be anchored on the surface of the minor planet after the detector lands. Due to the uncertainty of the asteroid surface topography and the surface material, scientific researchers cannot accurately obtain the adaptability of the detector anchoring mechanism to the asteroid surface.
Disclosure of Invention
The invention provides an anchoring force and anchoring moment test platform of an anchoring device of a asteroid probe, aiming at solving the problem that scientific research personnel in the prior art cannot accurately obtain the anchoring performance of the anchoring mechanism of the probe on the surface of the asteroid, and the anchoring force and anchoring moment test platform can measure the anchoring force and anchoring moment of the anchoring device of the asteroid probe under the conditions of different anchoring angles, different asteroid surface simulation materials and different drilling depths.
The invention adopts the following technical scheme for achieving the purpose:
a testing platform for anchoring force and anchoring moment of a asteroid probe comprises a sample container, an anchoring mechanism platform, a test bench support, a pulley block, a force sensor, a rope, a limiting buffer device, a force loading device and a test bench base; the laboratory bench base is located the bottom of laboratory bench support, as supporting the base, the sample container links firmly on the laboratory bench base for hold the sample soil on simulation asteroid surface, anchoring mechanism platform is located the examination anchor top that awaits measuring, anchoring mechanism platform's central authorities are provided with the centre bore, spacing buffer passes anchoring mechanism platform's centre bore and laboratory bench base fixed connection, the assembly pulley is installed in the top of laboratory bench support, the rope is walked around assembly pulley one end and is connected with anchoring mechanism platform, and the other end is connected with power loading device, force sensor sets up on the rope.
Preferably, the pulley block comprises a fixed pulley block, a movable pulley block and three auxiliary small pulleys, the fixed pulley block is adopted when the anchoring force is tested, the movable pulley block and a plurality of auxiliary small pulleys are adopted when the anchoring torque is tested, the movable pulley block is arranged at one corner above the experiment table support, and the three auxiliary small pulleys are arranged at the other three corners of the experiment table support.
Preferably, the asteroid probe anchoring force and anchoring moment test platform further comprises an auxiliary trolley, and the auxiliary trolley is located on the upper portion of the experiment table support.
Preferably, the sample container comprises a sample container base, a sample container cover and a simulated asteroid surface sample, wherein the sample container base is fixed on the experiment table base, the sample container cover is positioned above the sample container base, and the simulated asteroid surface sample is arranged in the sample container cover.
Preferably, the anchoring mechanism platform includes angle adjustment mechanism, tie bolt and support, angle adjustment mechanism passes through hinged joint in the support below, compound angle scale mark on the hinge, tie bolt's one end is articulated with the bottom of support, and the other end is articulated with angle adjustment mechanism's side.
Preferably, the limiting buffer device comprises a limiting main shaft, a limiting baffle, an adjusting baffle and a pre-tightening spring, the limiting main shaft penetrates through a center hole of the anchoring mechanism platform and is fixedly connected with the experiment table base, the limiting baffle is fixedly sleeved on the periphery of the limiting main shaft, the adjusting baffle is installed at the top of the limiting main shaft, and the pre-tightening spring is located between the limiting baffle and the adjusting baffle and used for pressing the limiting baffle.
Preferably, the experiment table base comprises a base, a movable sliding block and a bolt, wherein the base is provided with a plurality of T-shaped guide rails, the movable sliding block moves along the T-shaped guide rails, and the movable sliding block and the sample container are fixed through the bolt.
The asteroid probe anchoring force and anchoring moment test platform has the beneficial effects that:
(1) the asteroid probe anchoring force and anchoring moment test platform can measure the anchoring force and anchoring moment of the anchoring device when the anchoring angle is different,
(2) the asteroid detector anchoring force and anchoring moment test platform can measure the anchoring force and anchoring moment of the anchoring device when the drilling depth is different.
(3) The asteroid probe anchoring force and anchoring moment test platform can measure the anchoring force and anchoring moment of the anchoring device when the simulated asteroid surface materials are different.
(4) The asteroid probe anchoring force and anchoring moment test platform can measure the overturning moment and the rotating moment of the anchoring device in different anchoring states.
(5) The asteroid probe anchoring force and anchoring moment test platform can control the density of materials, and the properties of the test materials are controlled to be the same.
(6) The asteroid probe anchoring force and anchoring moment testing platform can also be suitable for measuring the anchoring force of leg type anchoring mechanisms with different configurations.
(7) The asteroid probe anchoring force and anchoring moment test platform can measure the anchoring force and anchoring moment of the asteroid probe anchoring device under the conditions of different anchoring angles, different asteroid surface simulation materials and different drilling depths, and is simple to operate, accurate in test, high in flexibility and strong in adaptability.
Drawings
FIG. 1 shows an anchoring force test mode of the asteroid probe anchoring force and anchoring force moment test platform according to the invention;
FIG. 2 shows an anchoring torque test mode of the asteroid probe anchoring force and anchoring torque test platform according to the present invention;
FIG. 3 is a schematic diagram of a sample container according to the present invention;
FIG. 4 is a schematic structural view of the anchoring mechanism platform of the present invention;
FIG. 5 is a schematic structural view of a spacing buffer device according to the present invention;
FIG. 6 is a schematic structural view of a base of the experiment table according to the present invention;
in the figure: 1-a sample container; 2-an anchoring mechanism; 3-anchoring the mechanism platform; 4-a bench support; 5-assisting the walker; 6-a fixed pulley block; 7-a force sensor; 8-a rope; 9-a limiting buffer device; 10-force loading means; 11-a bench base; 12-a movable pulley block; 1-1-a sample container base; 1-2-sample container cover; 1-3-simulating a asteroid surface sample; 3-1-an angle adjustment mechanism; 3-2-tensioning bolts; 3-3-scaffold; 9-1-a limit spindle; 9-2-limit baffle; 9-3-adjusting the baffle; 9-4-pre-tightening the spring; 11-1-base; 11-2-moving the slider; 11-3-bolt.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
First embodiment, the first embodiment is described with reference to fig. 1 to 6, and the asteroid probe anchoring force and anchoring moment test platform in the present embodiment includes a sample container 1, an anchoring mechanism platform 3, a test bench support 4, a pulley block, a force sensor 7, a rope 8, a limiting buffer device 9, a force loading device 10, and a test bench base 11; laboratory bench base 11 is located laboratory bench support 4's bottom, as supporting the base, sample container 1 links firmly on laboratory bench base 11 for hold the sample soil on simulation asteroid surface, anchoring mechanism platform 3 is located the examination anchor top that awaits measuring, anchoring mechanism platform 3's central authorities are provided with the centre bore, spacing buffer 9 passes anchoring mechanism platform 3's centre bore and laboratory bench base 11 fixed connection, the assembly pulley is installed in laboratory bench support 4's top, assembly pulley one end is walked around to rope 8 and is connected with anchoring mechanism platform 3, and the other end is connected with power loading device 10, force sensor 7 sets up on rope 8.
The sample container 1 is fixedly connected with the experiment table base 11 through bolts, and the limiting buffer device 9 penetrates through a center hole of the anchoring mechanism platform 3 and is connected with the experiment table base 11 through a bolt group.
The limiting buffer mechanism 9 is used for preventing the anchoring mechanism platform 3 from continuing to move upwards to play a role in protecting in order to prevent the impact from damaging the test bed and equipment when the anchoring mechanism platform 3 is pulled out suddenly under the action of the loading mechanism.
The pulley block comprises a fixed pulley block 6, a movable pulley block 12 and three auxiliary small pulleys, the fixed pulley block 6 is adopted when anchoring force is tested, the movable pulley block 12 and the three auxiliary small pulleys are adopted when anchoring torque is tested, the movable pulley block 12 is arranged at one corner above the experiment table support 4, and the three auxiliary small pulleys are arranged at the other three corners of the experiment table support 4.
As shown in figure 1, when the anchoring force is measured, one end of a force sensor 7 is connected with a lifting ring on an anchoring mechanism platform 3 through a rope 8, the other end of the force sensor is connected with a force loading device 10 through a fixed pulley block 6, and the force loading device 10 changes the magnitude of the force loaded on the anchoring mechanism 2 by adding weights with different masses.
As shown in fig. 2, when measuring the anchoring torque, the force loading device 10 is connected with the movable pulley block 12 through a rope, two ropes 8 extending from the movable pulley block 12 are respectively connected with side lifting lugs of the anchoring mechanism platform 3, and the force loading device 10 changes the torque loaded on the anchoring mechanism 2 by adding weights with different masses.
The asteroid detector anchoring force and anchoring moment testing platform further comprises an auxiliary trolley 5, wherein the auxiliary trolley 5 is located at the upper part of the experiment table support 4 and is used for assisting in placing the sample container 1 on the experiment table base 11.
Due to the large mass of the sample container, the sample container 1 is mounted on the test bed base 11 by the auxiliary trolley 5 after being filled with the test sample, and in addition, when the test sample is replaced after the test is finished, the sample container 1 is also hoisted by the auxiliary trolley 5 and moved out of the test bed.
As shown in fig. 3, the sample container 1 includes a sample container base 1-1, a sample container cover 1-2 and a simulated asteroid surface sample 1-3, the sample container base 1-1 is fixed on a laboratory bench base 11, the sample container cover 1-2 is located above the sample container base 1-1, and the simulated asteroid surface sample 1-3 is placed inside the sample container cover 1-2.
As shown in fig. 4, the anchoring mechanism platform 3 comprises an angle adjusting mechanism 3-1, a tensioning bolt 3-2 and a bracket 3-3, wherein the angle adjusting mechanism 3-1 is connected below the bracket 3-3 through a hinge, an angle scale mark is compounded on the hinge, one end of the tensioning bolt 3-2 is hinged with the bottom of the bracket 3-3, and the other end of the tensioning bolt is hinged with the side of the angle adjusting mechanism 3-1.
The anchoring mechanism 2 is connected to the anchoring mechanism platform 3 through a bolt group, an included angle between the anchoring mechanism 2 and the ground can be set by adjusting the tension bolts 3-2 on the anchoring mechanism platform 3, and the numerical value of the included angle can be read through scales on the hinge.
As shown in fig. 5, the limiting buffer device 9 comprises a limiting spindle 9-1, a limiting baffle 9-2, an adjusting baffle 9-3 and a pre-tightening spring 9-4, the limiting spindle 9-1 penetrates through a center hole of the anchoring mechanism platform 3 to be fixedly connected with the experiment table base 11, the limiting baffle 9-2 is fixedly sleeved on the periphery of the limiting spindle 9-1, the adjusting baffle 9-3 is installed at the top of the limiting spindle 9-1, and the pre-tightening spring 9-4 is located between the limiting baffle 9-2 and the adjusting baffle 9-3 and is used for pressing the limiting baffle 9-2.
The spring pretightening force of the buffer device can be changed by adjusting the adjusting baffle of the limiting buffer device 9.
As shown in FIG. 6, the experiment table base 11 comprises a base 11-1, a movable sliding block 11-2 and a bolt 11-3, wherein a plurality of T-shaped guide rails are arranged on the base 11-1, the movable sliding block 11-2 moves along the T-shaped guide rails, and the movable sliding block 10-2 and the sample container 1 are fixed through the bolt 11-3.
The test bed base 11 is designed by adopting a T-shaped guide rail, so that the stable fixation and the position adjustment of the sample container 1 on the test bed base 11 are facilitated.
The working principle and the working process of the asteroid probe anchoring force and anchoring moment testing platform are as follows:
(a) anchoring force test mode:
when the anchoring force and anchoring torque testing platform of the asteroid detector anchoring device starts to perform anchoring force testing, the anchoring mechanism 2 starts to work, when a drill rod enters a simulated asteroid surface sample at a preset depth, the anchoring mechanism 2 stops working and loads the anchoring mechanism platform 3, when the loading force reaches the maximum value of the anchoring force of the anchoring mechanism 2, the anchoring mechanism platform 3 is separated from the sample, and the limiting buffer device 9 limits the anchoring mechanism platform 3 to continue to move upwards; and (4) unloading after recording the numerical value of the loading force according to the force sensor 7, wherein the obtained numerical value of the force is the anchoring force of the anchoring mechanism 2. And adjusting the tension bolts 3-2 of the anchoring mechanism platform 3, adjusting the inclination angle of the anchoring mechanism 2 and the ground, and repeating the experimental process.
(b) Anchoring torque test mode:
when the anchoring force of the asteroid detector anchoring device and the anchoring torque test platform start to carry out anchoring torque test, the anchoring mechanism 2 starts to work, when a drill rod enters a simulated asteroid surface sample at a preset depth, the anchoring mechanism 2 stops working and loads the anchoring mechanism platform 3, and when the loading torque reaches the maximum value of the anchoring torque which can be borne by the anchoring mechanism 2, the anchoring mechanism platform 3 is separated from the sample; and recording the value of the loading force and then unloading. And adjusting the tension bolts 3-2 of the anchoring mechanism platform 3, adjusting the inclination angle of the anchoring mechanism 2 and the ground, and repeating the experimental process.
Although the invention has been described with reference to specific embodiments and examples, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A testing platform for anchoring force and anchoring moment of a asteroid probe is characterized by comprising a sample container (1), an anchoring mechanism platform (3), a test bench support (4), a pulley block, a force sensor (7), a rope (8), a limiting buffer device (9), a force loading device (10) and a test bench base (11); the experiment table base (11) is positioned at the bottom of the experiment table support (4) and serves as a supporting base, the sample container (1) is fixedly connected to the experiment table base (11) and used for containing sample soil simulating the surface of a asteroid, the anchoring mechanism platform (3) is positioned above an anchoring device to be tested, a central hole is formed in the center of the anchoring mechanism platform (3), the limiting buffer device (9) penetrates through the central hole of the anchoring mechanism platform (3) and is fixedly connected with the experiment table base (11), the pulley block is installed at the top of the experiment table support (4), and the force sensor (7) is arranged on the rope (8);
the pulley block comprises a fixed pulley block (6), a movable pulley block (12) and three auxiliary small pulleys, when the anchoring force is tested, the fixed pulley block (6) is adopted, when the anchoring torque is tested, the movable pulley block (12) and a plurality of auxiliary small pulleys are adopted, the movable pulley block (12) is arranged at one corner above the experiment table support (4), and the three auxiliary small pulleys are arranged at the other three corners of the experiment table support (4);
the rope (8) bypasses one end of the fixed pulley block (6) and is connected with the anchoring mechanism platform (3), and the anchoring force is measured when the other end of the rope is connected with the force loading device (10); a rope (8) bypasses one end of the movable pulley block (12) to be connected with one side surface of the anchoring mechanism platform (3), the other end of the rope is connected with the other side surface of the anchoring mechanism platform (3), and the force loading device (10) measures anchoring moment when being connected with the movable pulley block (12) through the rope (8);
the limiting buffer device (9) comprises a limiting main shaft (9-1), a limiting baffle (9-2), an adjusting baffle (9-3) and a pre-tightening spring (9-4), wherein the limiting main shaft (9-1) penetrates through a center hole of the anchoring mechanism platform (3) to be fixedly connected with the experiment table base (11), the limiting baffle (9-2) is fixedly sleeved on the periphery of the limiting main shaft (9-1), the adjusting baffle (9-3) is installed at the top of the limiting main shaft (9-1), and the pre-tightening spring (9-4) is located between the limiting baffle (9-2) and the adjusting baffle (9-3) and used for pressing the limiting baffle (9-2).
2. The asteroid probe anchoring force and anchoring moment test platform according to claim 1, characterized in that the asteroid probe anchoring force and anchoring moment test platform further comprises an auxiliary trolley (5), wherein the auxiliary trolley (5) is positioned at the upper part of the experiment table bracket (4).
3. The asteroid probe anchoring force and anchoring moment test platform is characterized in that the sample container (1) comprises a sample container base (1-1), a sample container cover (1-2) and a simulated asteroid surface sample (1-3), wherein the sample container base (1-1) is fixed on a laboratory bench base (11), the sample container cover (1-2) is positioned above the sample container base (1-1), and the simulated asteroid surface sample (1-3) is placed inside the sample container cover (1-2).
4. The asteroid probe anchoring force and anchoring moment test platform is characterized in that the anchoring mechanism platform (3) comprises an angle adjusting mechanism (3-1), a tension bolt (3-2) and a support (3-3), wherein the angle adjusting mechanism (3-1) is connected below the support (3-3) through a hinge, an angle scale mark is compounded on the hinge, one end of the tension bolt (3-2) is hinged with the bottom of the support (3-3), and the other end of the tension bolt is hinged with the side of the angle adjusting mechanism (3-1).
5. The asteroid probe anchoring force and anchoring moment test platform is characterized in that the experiment table base (11) comprises a base (11-1), a movable sliding block (11-2) and a bolt (11-3), a plurality of T-shaped guide rails are arranged on the base (11-1), the movable sliding block (11-2) moves along the T-shaped guide rails, and the movable sliding block (11-2) and the sample container (1) are fixed through the bolt (11-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251894.6A CN111103127B (en) | 2018-10-25 | 2018-10-25 | Planet gear detector anchoring force and anchoring moment test platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251894.6A CN111103127B (en) | 2018-10-25 | 2018-10-25 | Planet gear detector anchoring force and anchoring moment test platform |
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| CN111103127A CN111103127A (en) | 2020-05-05 |
| CN111103127B true CN111103127B (en) | 2021-09-24 |
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Citations (4)
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|---|---|---|---|---|
| CN102866036A (en) * | 2012-09-14 | 2013-01-09 | 东南大学 | Self-embedded anchorage device for minor planet sampler |
| CN103174137A (en) * | 2013-03-29 | 2013-06-26 | 哈尔滨工业大学 | Active anchoring mechanism with two-time drive function |
| CN108487858A (en) * | 2018-03-06 | 2018-09-04 | 哈尔滨工业大学 | A kind of asteroid surface attachment anchor mechanism based on the landing of more mechanical arms, ultrasonic drilling |
| CN108545216A (en) * | 2018-04-17 | 2018-09-18 | 哈尔滨工业大学 | Asteroid detection device landing simulation device based on gas suspension |
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2018
- 2018-10-25 CN CN201811251894.6A patent/CN111103127B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| CN102866036A (en) * | 2012-09-14 | 2013-01-09 | 东南大学 | Self-embedded anchorage device for minor planet sampler |
| CN103174137A (en) * | 2013-03-29 | 2013-06-26 | 哈尔滨工业大学 | Active anchoring mechanism with two-time drive function |
| CN108487858A (en) * | 2018-03-06 | 2018-09-04 | 哈尔滨工业大学 | A kind of asteroid surface attachment anchor mechanism based on the landing of more mechanical arms, ultrasonic drilling |
| CN108545216A (en) * | 2018-04-17 | 2018-09-18 | 哈尔滨工业大学 | Asteroid detection device landing simulation device based on gas suspension |
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