A device for measuring the mechanical and thermal properties of a lunar soil formed product

Abstract

The application relates to a device for measuring the force and thermal characteristics of a lunar soil forming product, and belongs to the technical field of extraterrestrial exploration. The device solves the problem that the prior art lacks a device for measuring the force and thermal characteristics of a lunar soil forming product. The device comprises a base, a frame, a drilling and indexing unit, a rotary drilling unit, a probe excitation unit and a clamping and drilling pressure detection unit. The rotary drilling unit is used for rotary drilling and detecting drilling torque. The probe excitation unit is used for measuring the thermal characteristics of the product. The clamping and drilling pressure detection unit is used for clamping the product, adjusting the measurement position of the product and detecting drilling pressure. Through the arrangement of the drilling and indexing unit, the mechanical measurement and thermal measurement can be combined on one device. After the drilling tool drills the hole and the mechanical characteristic measurement is completed, the rotary drilling unit and the probe excitation unit are positionally converted, the probe of the probe excitation unit penetrates into the hole, and the thermal characteristic measurement is carried out.

Description

TECHNICAL FIELD

[0001] The application relates to a device for measuring the mechanical and thermal properties of a moon soil formed product and belongs to the technical field of extraterrestrial exploration. BACKGROUND

[0002] At present, moon exploration has entered a stage of equal importance of cognition and utilization, and how to exploit and utilize moon resources has become the focus of competition among countries. A method for utilizing moon resources and constructing a moon scientific research station is to manufacture moon soil formed products by taking moon soil as a main material and to build moon buildings. The measurement of the mechanical and thermal properties of the moon soil formed product is of great significance for on-orbit iteration of the forming manufacturing process and provides data support for safety and reliability evaluation of the moon building.

[0003] Therefore, the in-situ measurement of the mechanical and thermal properties of the moon soil formed product is of great significance for obtaining the mechanical and thermal property parameters of the moon soil formed product, supporting on-orbit iteration optimization of the forming process and studying the performance degradation law of the moon soil formed product under the coupling of environment and aging.

[0004] There is a lack of a device for in-situ measurement of the mechanical and thermal properties of the moon soil formed product in the prior art, and a traditional ground measurement device has a high requirement for the shape accuracy of the measured product and cannot adapt to the moon soil formed product with a complex shape and cannot measure a single product multiple times. Therefore, a device for in-situ measurement of the mechanical and thermal properties of the moon soil formed product is urgently needed. SUMMARY

[0005] The application provides a device for measuring the mechanical and thermal properties of a moon soil formed product to solve the problem that there is a lack of a device for in-situ measurement of the mechanical and thermal properties of the moon soil formed product in the prior art.

[0006] The application adopts the technical scheme that

[0007] The application provides a device for measuring the mechanical and thermal properties of a moon soil formed product to solve the problem that there is a lack of a device for in-situ measurement of the mechanical and thermal properties of the moon soil formed product in the prior art.

[0008] The rotating drilling unit is used for rotating drilling and detecting drilling torque, the probe excitation unit is used for measuring the thermal properties of the product, and the clamping and drilling pressure detection unit is used for clamping the product, adjusting the measurement position of the product and detecting drilling pressure.

[0009] Further, the drilling and indexing unit comprises a drilling motor, a ball screw, a screw nut, a sliding guide, a drilling platform, an indexing motor, a hollow rotating platform, an indexing platform and an encoder, wherein the drilling motor is mounted on the frame, the ball screw is vertically arranged and one end of the ball screw is fixedly connected with the output end of the drilling motor, the sliding guide is fixedly connected on the frame, the drilling platform is connected with the sliding guide in a sliding manner, the drilling platform is fixedly connected with the screw nut, the hollow rotating platform comprises a fixed part and a rotating part, the fixed part of the hollow rotating platform is fixedly connected with the drilling platform, the rotating part of the hollow rotating platform is fixedly connected with the indexing platform, the indexing motor is mounted on the fixed part of the hollow rotating platform, the rotating part of the hollow rotating platform is controlled to rotate by the indexing motor, the encoder is arranged at the center of the hollow rotating platform, the fixed part of the encoder is fixedly connected with the drilling platform, and the rotating part of the encoder is fixedly connected with the indexing platform.

[0010] Further, the drilling and indexing unit further comprises a magnetic scale magnetic strip and a magnetic scale reading head, wherein the magnetic scale magnetic strip is fixedly connected on the frame, and the magnetic scale reading head is fixedly connected on the drilling platform.

[0011] Further, the rotary drilling unit comprises a rotary motor, a torque sensor, a multi-shaft device and a drill tool, wherein the output end of the rotary motor is fixedly connected with the input end of the multi-shaft device through the torque sensor, the multi-shaft device is fixedly connected on the indexing platform, and the drill tool is mounted on the output end of the multi-shaft device.

[0012] Further, the number of drill tools is at least two and the directions of the drill tools are opposite.

[0013] Further, the probe excitation unit comprises a mounting seat, a spring support, a limit switch and a thermal measurement probe, wherein the mounting seat is fixedly connected with the indexing platform, the thermal measurement probe is mounted on the mounting seat through the spring support, the limit switch is fixedly connected on the mounting seat, and the penetration depth of the thermal measurement probe is controlled by the limit switch.

[0014] Further, the mounting seat comprises a gear box, two distance adjusting gears which are rotatable and meshed with each other in the gear box, and two rotating discs which are coaxially fixedly connected with the two distance adjusting gears outside the gear box, the number of thermal measurement probes is two and each is mounted on a rotating disc through a spring support, the two thermal measurement probes are symmetrically arranged about the plane where the meshing lines of the two distance adjusting gears are located, and the two limit switches are fixedly connected with the two rotating discs respectively.

[0015] Further, the clamping and drilling pressure detection unit comprises, from top to bottom, a self-centering vice, an upper connecting frame, a six-dimensional force sensor and a lower connecting plate, wherein the lower connecting plate is fixedly connected with the base.

[0016] Further, the rotary drilling unit further comprises a protective cover, which is fixed to the indexing platform and covers the outside of the torque sensor.

[0017] Further, the ball screw and the footage platform are respectively arranged on two sides of the frame, and a through hole is arranged on the frame between the ball screw and the footage platform, and the connecting structure between the ball screw and the footage platform is arranged in the through hole.

[0018] Compared with the prior art, the present application has the following effects:

[0019] The rotary drilling unit is used for rotary drilling and detecting drilling torque, and the probe excitation unit is used for measuring the thermal properties of the product.

[0020] Through the arrangement of the clamping and drilling pressure detection unit, the centering installation, clamping and replacement of the shaped product of various shapes can be realized, the measurement position of the product can be adjusted and changed, and the drilling pressure change in the drilling process can be detected. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective structural schematic view of the lunar soil shaped product force-thermal property measuring device.

[0022] Figure 2 It is a perspective structural schematic view of the footage and indexing unit.

[0023] Figure 3 It is a perspective structural schematic view of the rotary drilling unit.

[0024] Figure 4 It is a perspective structural schematic view of the probe excitation unit.

[0025] Figure 5 It is a perspective structural schematic view of the clamping and drilling pressure detection unit.

[0026] In the drawings:

[0027] 1. Base; 2. Frame; 3. Feed and indexing unit; 31. Feed motor; 32. Feed reducer; 33. Feed reducer flange; 34. Sliding guide rail; 35. Magnetic scale strip; 36. Magnetic scale reading head; 37. Ball screw; 38. Feed platform; 39. Screw nut; 310. First coupling; 311. Indexing motor; 312. Hollow rotary platform; 313. Indexing platform; 314. Encoder; 4. Rotary drilling unit; 41. Rotary motor; 42. Rotary reducer; 43. 44. Drilling tool; 45. Rotary reducer flange; 46. Second coupling; 47. Torque sensor; 48. Third coupling; 49. Multi-spindle mounting flange; 40. Multi-spindle; 410. Protective cover; 51. Probe excitation unit; 52. Adjustable gear; 53. Rotary disk; 54. Limit switch; 55. Spring support; 56. Thermal measurement probe; 57. Gearbox; 68. Clamping and drilling pressure detection unit; 69. Self-centering vise; 60. Upper connecting frame; 61. Six-dimensional force sensor; 62. Lower connecting plate. Detailed Implementation

[0028] Specific implementation method one: Combining Figures 1-5 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] It should be noted that the descriptions of "front," "rear," "left," "right," "inner," "outer," "left side," "right side," "upper part," "lower part," "top," and "bottom" in this invention are defined based on the orientation or positional relationships shown in the accompanying drawings. They are merely for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the described structure must be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] In the description of this invention, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] A device for measuring the mechanical and thermal properties of a lunar soil forming product, comprising a base 1, a frame 2, a drilling and indexing unit 3, a rotary drilling unit 4, a probe excitation unit 5, and a clamping and drilling pressure detection unit 6, wherein the drilling and indexing unit 3 is fixed to the base 1 through the frame 2, the rotary drilling unit 4 and the probe excitation unit 5 are respectively installed on the drilling and indexing unit 3, the rotary drilling unit 4 and the probe excitation unit 5 are adjusted in position vertically and circumferentially through the drilling and indexing unit 3, and the clamping and drilling pressure detection unit 6 is installed on the base 1 below the rotary drilling unit 4 and the probe excitation unit 5,

[0032] The rotary drilling unit 4 is used for rotary drilling and detecting drilling torque, the probe excitation unit 5 is used for measuring the thermal properties of the product, and the clamping and drilling pressure detection unit 6 is used for clamping the product, adjusting the measurement position of the product, and detecting the drilling pressure.

[0033] The frame 2 is fixed above the base 1, the drilling and indexing unit 3 is installed on the frame 2, the circumferential position of the rotary drilling unit 4 and the probe excitation unit 5 is adjusted, i.e. the position of the rotary drilling unit 4 and the probe excitation unit 5 is converted through the rotation of the drilling and indexing unit 3, and the rotary drilling unit 4 and the probe excitation unit 5 are rotated above the product according to the measurement process.

[0034] Through the drilling and indexing unit 3, the mechanical and thermal measurements can be combined on one device, after the drilling tool 43 drills the drilling hole and the mechanical property measurement is completed, the position of the rotary drilling unit 4 and the probe excitation unit 5 is converted, the probe of the probe excitation unit 5 penetrates into the drilling hole, and the thermal property measurement is performed.

[0035] Through the clamping and drilling pressure detection unit 6, various shaped forming products can be centered, clamped, and replaced, the measurement position of the product can be adjusted and changed, and the drilling pressure change during drilling can be detected.

[0036] The feed and indexing unit 3 comprises a feed motor 31, a ball screw 37, a screw nut 39, a sliding guide 34, a feed platform 38, an indexing motor 311, a hollow rotating platform 312, an indexing platform 313 and an encoder 314, wherein the feed motor 31 is mounted on the rack 2, the ball screw 37 is vertically arranged and one end thereof is fixedly connected with the output end of the feed motor 31, the sliding guide 34 is fixedly connected on the rack 2, the feed platform 38 is connected with the sliding guide 34 in a sliding manner, and the feed platform 38 is fixedly connected with the screw nut 39, the hollow rotating platform 312 comprises a fixed part and a rotating part, wherein the fixed part of the hollow rotating platform 312 is fixedly connected with the feed platform 38, the rotating part of the hollow rotating platform 312 is fixedly connected with the indexing platform 313, the indexing motor 311 is mounted on the fixed part of the hollow rotating platform 312, the rotating part of the hollow rotating platform 312 is controlled to rotate through the indexing motor 311, and the encoder 314 is arranged at the center position of the hollow rotating platform 312, the fixed part of the encoder 314 is fixedly connected with the feed platform 38, and the rotating part of the encoder 314 is fixedly connected with the indexing platform 313.

[0037] In this way, the feed motor 31 is used to drive the feed platform 38 to move up and down, specifically, the feed motor 31 is mounted on the upper part of the rack 2, the ball screw 37 is rotatably mounted on one side of the rack 2 through a mounting frame. The screw nut 39 is matched with the ball screw 37, the feed motor 31 drives the ball screw 37 to rotate, drives the screw nut 39 to move up and down, and further drives the feed platform 38 to move up and down along the sliding guide 34. The feed motor 31 is connected with the input end of the feed reducer 32, the feed reducer 32 is fixedly connected above the rack 2 through the feed reducer flange 33, and the ball screw 37 is connected with the output end of the feed reducer 32 through the first coupling 310.

[0038] The specific structure of the hollow rotating platform 312 and the specific structure of the encoder 314 are both prior art, and will not be described here.

[0039] The rotating part of the hollow rotating platform 312 is connected with the output end of the indexing motor 311. When the indexing motor 311 rotates, the rotating part of the hollow rotating platform 312 is driven to rotate, and the rotating part of the hollow rotating platform 312 further drives the indexing platform 313 to rotate, so that the indexing movement is realized.

[0040] The rotating angle of the indexing platform 313 is accurately measured through the encoder 314.

[0041] The ball screw 37 and the feed platform 38 are located on both sides of the rack 2 respectively, and a through hole is formed in the rack 2 between the ball screw 37 and the feed platform 38, and a connecting structure between the ball screw 37 and the feed platform 38 is arranged in the through hole.

[0042] The feed and indexing unit 3 further comprises a magnetic scale magnetic strip 35 and a magnetic scale reading head 36, wherein the magnetic scale magnetic strip 35 is fixed on the frame 2 and the magnetic scale reading head 36 is fixed on the feed platform 38. In this way, the feed and indexing unit 3 can accurately measure the feed amount and the feed speed.

[0043] The rotary drilling unit 4 comprises a rotary motor 41, a torque sensor 446, a multi-shaft device 49 and drill tools 43, wherein the output end of the rotary motor 41 is fixedly connected with the input end of the multi-shaft device 49 through the torque sensor 446, the multi-shaft device 49 is fixed on the indexing platform 313, and the drill tools 43 are installed on the output end of the multi-shaft device 49. In this way, the rotary motor 41 is connected with the input end of the rotary reducer 42, the rotary reducer 42 is fixed on the indexing platform 313 through the rotary reducer flange 44, the torque sensor 446 is connected with the output end of the rotary reducer 42 through the second coupling 45, and the torque sensor 446 is connected with the input end of the multi-shaft device 49 through the third coupling 47. The multi-shaft device 49 is fixed on the indexing platform 313 through the multi-shaft device mounting flange 48.

[0044] When the rotary motor 41 rotates, the output shaft of the rotary reducer 42 rotates, and the power is transmitted to the multi-shaft device 49 through the second coupling 45, the torque sensor 446 and the third coupling 47, and the multi-shaft device 49 drives the drill tools 43 to rotate.

[0045] The torque sensor 446 comprises a fixed part and a rotating part, the fixed part of the torque sensor 446 is fixedly connected with the indexing platform 313, and the rotating part of the torque sensor 446 is connected with the output end of the rotary reducer 42 and the input end of the multi-shaft device 49 through the second coupling 45 and the third coupling 47, so as to measure the drilling torque.

[0046] The number of drill tools 43 is at least two and the directions of rotation are opposite. In this way, the number of drill tools 43 is preferably two. When the number of drill tools 43 is two, the directions of rotation of the two drill tools 43 are opposite, so as to offset the load of the feed and indexing unit 3 caused by the torque generated during drilling. When the number of drill tools 43 is more than two, the directions of rotation of the drill tools 43 are different, so as to offset the load of the feed and indexing unit 3 caused by the torque generated during drilling. The spacing between the drill tools 43 is adjustable and controllable.

[0047] The probe exciting unit 5 comprises a mounting seat, a spring support 54, a limit switch 53 and a thermal measurement probe 55. The mounting seat is fixed to the indexing platform 313. The thermal measurement probe 55 is mounted on the mounting seat through the spring support 54. The limit switch 53 is fixed to the mounting seat. The penetration depth of the thermal measurement probe 55 is controlled by the limit switch 53. In this way, the spring support 54 and the limit switch 53 form a flexible penetration assembly. The penetration force of the thermal measurement probe 55 is balanced by the spring support 54. The thermal measurement probe 55 is flexibly penetrated into the drill hole formed by the drill tool 43. The penetration depth of the thermal measurement probe 55 is controlled by the limit switch 53 to prevent the contact force from exceeding the limit.

[0048] The mounting seat comprises a gear box 57, two pitch-changing gears 51 arranged in rotation and in engagement with each other inside the gear box 57, and two rotating discs 52 located outside the gear box 57 and fixed coaxially to the two pitch-changing gears 51. The number of thermal measurement probes 55 is two. Each thermal measurement probe 55 is correspondingly mounted on a rotating disc 52 through a spring support 54. The two thermal measurement probes 55 are symmetrically arranged about the plane in which the engagement lines of the two pitch-changing gears 51 are located. The two limit switches 53 are fixed to the two rotating discs 52, respectively. In this way, the gear box 57 is fixed to the indexing platform 313. The two ends of each pitch-changing gear 51 are connected to the gear box 57 through bearings, respectively. When any one of the pitch-changing gears 51 rotates, the other pitch-changing gear 51 rotates in the opposite direction by the same angle, thereby changing the distance between the two thermal measurement probes 55. The distance between the two thermal measurement probes 55 can be adjusted and controlled through the mounting seat, which is convenient for corresponding to the drill holes. When the distance between the two thermal measurement probes 55 is small, the two thermal measurement probes 55 can be automatically aligned. When the distance is large, the two thermal measurement probes 55 can be manually adjusted. The engagement positions of the two pitch-changing gears 51 are adjusted.

[0049] The clamping and drilling pressure detection unit 6 comprises, from top to bottom, a self-centering vice 61, an upper connecting frame 62, a six-dimensional force sensor 63 and a lower connecting plate 64, wherein the lower connecting plate 64 is fixed to the base 1. In this way, the self-centering vice 61 is used for clamping and supporting the product. Through the self-centering vice 61, the requirements for the shape and surface accuracy of the product to be measured can be reduced. The axis of the self-centering vice 61 coincides with that of the six-dimensional force sensor 63. When the self-centering vice 61 clamps products of different sizes, the working center remains unchanged, which can reduce the complexity of the device. The six-dimensional force sensor 63 is used for detecting the drilling pressure on the product.

[0050] The rotary drilling unit 4 further comprises a protective cover 410, which is fixed to the indexing platform 313 and covers the outside of the torque sensor 446. In this way, the internal torque sensor 446 and the lines are protected.

[0051] A measurement method of the device for measuring the mechanical properties of the lunar soil forming product, the product to be measured is placed on the clamping and drill pressure detection unit 6 and locked, the rotary drilling unit 4 is controlled to move downward by the footage and indexing unit 3, the drilling parameters are recorded for mechanical property inversion;

[0052] After the mechanical measurement is completed, the rotary drilling unit 4 stops acting, the rotary drilling unit 4 is controlled to move upward to the specified position by the footage and indexing unit 3, and then the rotary drilling unit 4 and the probe excitation unit 5 are controlled to perform indexing movement, and when the probe excitation unit 5 rotates to the top of the product to be measured, the indexing is ended;

[0053] After the indexing is completed, the probe excitation unit 5 is controlled to move downward by the footage and indexing unit 3, and the thermal measurement is performed;

[0054] After the thermal measurement is completed, the probe excitation unit 5 is controlled to move upward to the specified position by the footage and indexing unit 3, and then the rotary drilling unit 4 and the probe excitation unit 5 are controlled to perform indexing movement, and return to the initial state, and the measurement is ended.

[0055] The initial state is the position state of the rotary drilling unit 4 and the probe excitation unit 5 before the mechanical measurement is performed.

[0056] Taking the number of the drilling tools 43 and the thermal measurement probes 55 as two for example:

[0057] When the mechanical properties of the product to be measured are measured, the product to be measured is placed above the self-centering vice 61 and locked, then the footage motor 31 drives the ball screw 37 to rotate, the ball screw 37 drives the screw nut 39 to move downward, and the screw nut 39 drives the rotary drilling unit 4 to move downward, and when the drilling tools 43 approach the surface of the product, the rotary motor 41 drives the two drilling tools 43 to move in the opposite direction at the set speed through the multi-shaft device 49, and the drilling tools 43 drill into the product to be measured;

[0058] After the mechanical measurement is completed, the footage motor 31 moves in the opposite direction, and the ball screw 37 drives the screw nut 39 to move upward, and then drives the rotary drilling unit 4 to move upward, and the rotary motor 41 stops rotating. After moving upward to the specified position, the indexing motor 311 rotates to drive the rotating part of the hollow rotating platform 312 to rotate, the rotating part of the hollow rotating platform 312 drives the indexing platform 313 to rotate, thereby driving the rotary drilling unit 4 and the probe excitation unit 5 to rotate, and the indexing movement is performed, and when the probe excitation unit 5 moves to the top of the product, the indexing is ended;

[0059] After the indexing is completed, the footage motor 31 drives the ball screw 37 to rotate, and drives the probe excitation unit 5 to move downward, and the thermal measurement probes 55 are inserted into the drill hole to measure the thermal properties;

[0060] After the measurement is completed, the inching and indexing unit 3 drives the ball screw 37 to rotate, drives the rotary drilling unit 4 and the probe excitation unit 5 to move upward to a specified position, the indexing motor 311 drives the hollow rotating platform 312 to rotate, drives the rotary drilling unit 4 and the probe excitation unit 5 to rotate, and returns to the initial state, ending the measurement.

[0061] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for measuring the mechanical and thermal properties of molded lunar soil products, characterized in that: The system includes a base (1), a frame (2), a drilling and indexing unit (3), a rotary drilling unit (4), a probe excitation unit (5), and a clamping and drilling pressure detection unit (6). The drilling and indexing unit (3) is fixed to the base (1) via the frame (2). The rotary drilling unit (4) and the probe excitation unit (5) are respectively mounted on the drilling and indexing unit (3). The drilling and indexing unit (3) enables the vertical and circumferential adjustment of the rotary drilling unit (4) and the probe excitation unit (5). The clamping and drilling pressure detection unit (6) is mounted on the base (1) and located below the rotary drilling unit (4) and the probe excitation unit (5). The rotary drilling unit (4) is used for rotary drilling and detecting drilling torque; the probe excitation unit (5) is used for measuring the thermal properties of the product; and the clamping and drilling pressure detection unit (6) is used for clamping the product, adjusting the product measurement position, and detecting drilling pressure. The advance and indexing unit (3) includes an advance motor (31), a ball screw (37), a screw nut (39), a sliding guide rail (34), an advance platform (38), an indexing motor (311), a hollow rotary platform (312), an indexing platform (313), and an encoder (314). The advance motor (31) is mounted on the frame (2). The ball screw (37) is arranged vertically and one end is fixedly connected to the output end of the advance motor (31). The sliding guide rail (34) is fixedly mounted on the frame (2). The advance platform (38) is slidably connected to the sliding guide rail (34) and is fixedly connected to the screw nut (39). The hollow rotary platform (312) includes a fixed part and a rotating part. The fixed part of the hollow rotary platform (312) is fixedly connected to the feed platform (38), and the rotating part of the hollow rotary platform (312) is fixedly connected to the indexing platform (313). The indexing motor (311) is installed on the fixed part of the hollow rotary platform (312) and controls the rotation of the rotating part of the hollow rotary platform (312) through the indexing motor (311). The encoder (314) is set at the center position of the hollow rotary platform (312). The fixed part of the encoder (314) is fixedly connected to the feed platform (38), and the rotating part of the encoder (314) is fixedly connected to the indexing platform (313).

2. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The advance and indexing unit (3) also includes a magnetic strip (35) and a magnetic reading head (36), wherein the magnetic strip (35) is fixed on the frame (2) and the magnetic reading head (36) is fixed on the advance platform (38).

3. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The rotary drilling unit (4) includes a rotary motor (41), a torque sensor (446), a multi-spindle (49), and a drill bit (43). The output end of the rotary motor (41) is fixedly connected to the input end of the multi-spindle (49) through the torque sensor (446). The multi-spindle (49) is fixedly mounted on the indexing platform (313), and the drill bit (43) is installed at the output end of the multi-spindle (49).

4. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 3, characterized in that: The number of drill bits (43) is at least two and they are in opposite directions.

5. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The probe excitation unit (5) includes a mounting base, a spring support (54), a limit switch (53), and a thermal measurement probe (55). The mounting base is fixedly connected to the indexing platform (313). The thermal measurement probe (55) is mounted on the mounting base through the spring support (54). The limit switch (53) is fixedly mounted on the mounting base and controls the penetration depth of the thermal measurement probe (55) through the limit switch (53).

6. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 5, characterized in that: The mounting base includes a gearbox (57), two adjustable gears (51) that rotate and mesh with each other inside the gearbox (57), and two rotating disks (52) located outside the gearbox (57) and coaxially fixed to the two adjustable gears (51). There are two thermal measurement probes (55), which are respectively mounted on the two rotating disks (52) through two spring supports (54). The two thermal measurement probes (55) are symmetrically arranged about the plane of the meshing line of the two adjustable gears (51). Two limit switches (53) are fixed to the two rotating disks (52) respectively.

7. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The clamping and drilling pressure detection unit (6) includes a self-centering vise (61), an upper connecting frame (62), a six-dimensional force sensor (63), and a lower connecting plate (64) that are fixedly connected from top to bottom, wherein the lower connecting plate (64) is fixedly connected to the base (1).

8. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The rotary drilling unit (4) also includes a protective cover (410), which is fixed to the indexing platform (313) and covers the outside of the torque sensor (446).

9. The device for measuring the mechanical and thermal properties of lunar soil molded products according to claim 1, characterized in that: The ball screw (37) and the feed platform (38) are located on both sides of the frame (2), and a through hole is opened on the frame (2) between the ball screw (37) and the feed platform (38), and the connection structure between the ball screw (37) and the feed platform (38) is installed in the through hole.

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