Asteroid sample tube separation force detection device

Abstract

The present application relates to the technical field of asteroid sampling, and relates to a star soil sample tube separation force detection device, which comprises a fixing support, a rotating support, a bearing assembly, a separation force detection module and a clamping force detection module, the bearing assembly is used for placing funnel assemblies and sample tube assemblies which are mutually clamped, the bearing assembly is arranged on the fixing support, the rotating support comprises a base and a rotating assembly which is rotationally connected with the base, the rotating axis of the rotating assembly coincides with the central axis of the bearing assembly, the rotating radius of the rotating assembly is greater than the radius of the bearing assembly, the separation force detection module is arranged on the base and is connected with the bottom of the bearing assembly, and the clamping force detection module is arranged on the rotating assembly and is connected with the side wall of the bearing assembly. The present application can accurately reproduce the real force working condition of the in-orbit separation of the star soil sample tube, and realizes the coupling loading test of the radial force and the axial force.

Description

Technical Field

[0001] This invention relates to the technical field of spherical soil sampling, and more specifically, to a spherical soil sample tube separation force detection device. Background Technology

[0002] Astrospheric soil sampling is a core mission in the field of extraterrestrial object exploration. The packaging, transportation, and recovery of astrospheric soil samples rely entirely on sample tubes. The stability of the connection and the smoothness of separation between the sample tubes and the sampling mechanism and storage device directly determine the integrity of the astrospheric soil samples and are key factors in the success or failure of extraterrestrial object exploration missions. Therefore, conducting comprehensive and accurate verification of the separation performance of the sample tubes before mission implementation is a core technical step in the development of astrospheric soil sampling equipment. In actual on-orbit operation scenarios, the separation action of the sample tubes is performed by a high-precision robotic arm. When the robotic arm holds the sample tube to complete the separation operation, the sample tube will not only be subjected to tensile loads along its own axis, but also to radial constraint forces and lateral impact forces in multiple directions due to the gripping accuracy deviation and attitude adjustment error of the robotic arm.

[0003] Currently, most testing equipment in the industry for the separation performance of sample tubes for spherical soil sampling can only perform static separation force testing in a single direction. It cannot reproduce the real working conditions where axial and radial forces act simultaneously, and it is even more difficult to simulate the omnidirectional radial force action that may occur during the gripping process of the robotic arm. As a result, the evaluation results of the sample tube separation performance of the existing equipment deviate significantly from the actual operational requirements. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies that can only achieve unidirectional separation force testing and cannot reproduce the real working conditions where axial and radial forces act simultaneously. This invention provides a separation force testing device for spherical soil sample tubes, which can accurately reproduce the real stress conditions of spherical soil sample tubes during on-orbit separation and realize the coupled loading test of omnidirectional radial and axial forces.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: A separation force detection device for a sample tube is provided, comprising a fixed support, a rotating support, a load-bearing component, a separation force detection module, and a clamping force detection module. The load-bearing component is used to hold a funnel component and a sample tube component that are interlocked. The load-bearing component is mounted on the fixed support. The rotating support includes a base and a rotating component rotatably connected to the base. The rotation axis of the rotating component coincides with the central axis of the load-bearing component, and the rotation radius of the rotating component is greater than the radius of the load-bearing component. The separation force detection module is mounted on the base and connected to the bottom of the load-bearing component. The clamping force detection module is mounted on the rotating component and connected to the side wall of the load-bearing component.

[0006] The sample tube separation force detection device of this invention, during operation, first engages the sample tube assembly with the funnel assembly, then assembles it onto the support assembly, maintaining a stable detection posture for the sample tube assembly. Subsequently, the rotating component of the rotating bracket rotates circumferentially around the central axis of the support assembly. Because the rotation radius of the rotating component is larger than the radius of the support assembly, the clamping force detection module above it can be adjusted to any radial position on the side wall of the support assembly and cooperate with the side wall to detect the radial clamping force. Simultaneously, the separation force detection module on the base is connected to the bottom of the sample tube assembly and applies an axial force, completing the axial separation force detection when the sample tube assembly separates from the funnel assembly. The radial detection action of the clamping force detection module and the axial detection action of the separation force detection module can be performed independently or synchronously with the rotation of the rotating component, thereby simulating the complex stress state during actual sample tube separation. This invention can accurately reproduce the real stress conditions during the separation of the sample tube. Through the rotation of the rotating component around the central axis of the sample tube assembly, combined with the coordinated action of axial separation force detection and radial clamping force detection, it achieves omnidirectional radial and axial force coupled loading test.

[0007] Furthermore, the rotating assembly includes a mounting base, a rotating stage, a transmission assembly, and a rotation drive. The rotation drive and the mounting base are both fixed to the base. The rotating stage is rotatably connected to the mounting base. The transmission assembly is disposed between the rotation drive and the rotating stage, driving the rotating stage to rotate on the mounting base. The clamping force detection module is fixedly connected to the rotating stage. By transmitting driving force through the rotation drive and the transmission assembly, stable and controllable rotation of the rotating stage relative to the mounting base is achieved. This provides reliable rotational mounting and motion support for the clamping force detection module, ensuring that the clamping force detection module can accurately adjust its radial detection position on the outside of the sample tube assembly with the rotating stage, thus improving the structural stability and motion controllability of the device's rotation adjustment.

[0008] Furthermore, the transmission assembly includes a meshing transmission gear and an internal gear. The rotary table is an annular ring, and a first bearing is provided between the rotary table and the mounting base. The internal gear is disposed on the inner wall of the annular ring, and the transmission gear is fixedly connected to the output shaft of the rotary drive component. The core of the transmission assembly is formed by the meshing transmission gear and internal gear. Combined with the first bearing between the rotary table and the mounting base, the gear meshing transmission achieves precise power transmission, ensuring accurate control of the rotation angle and speed of the rotary table. The first bearing effectively reduces rotational friction between the rotary table and the mounting base, reducing mechanical losses. Simultaneously, the annular structure of the rotary table and the internal gear on the inner wall are compatible, making the transmission structure layout more compact and improving the transmission efficiency and smooth operation of the rotary assembly.

[0009] Furthermore, the clamping force detection module includes a horizontal drive component, a radial motion component, a first tension sensor, and a first connecting rope. The bearing component includes a connecting ring assembly. The horizontal drive component is mounted on the rotary table and drives the radial motion component to move radially along the sample tube assembly. The first tension sensor is fixedly connected to the radial motion component. One end of the first connecting rope is connected to the first tension sensor, and the other end is connected to the connecting ring assembly. The connecting ring assembly is sleeved on the sample tube assembly and can rotate relative to the sample tube assembly. By driving the radial motion component with the horizontal drive component, linear movement along the radial direction of the sample tube assembly is achieved. The loading position of the radial clamping force can be flexibly adjusted. Combined with the relative rotational design of the connecting ring assembly and the sample tube assembly, the radial clamping force value can be accurately detected by the first tension sensor, while avoiding interference from rotational friction between the connecting ring assembly and the sample tube assembly, thus improving the accuracy of radial clamping force detection.

[0010] Furthermore, the radial motion assembly includes a first fixed base, a first telescopic rod, and a first movable block. The horizontal drive component is fixedly connected to the first fixed base. The first telescopic rod is installed inside the first fixed base. The first movable block is fixedly connected to the first telescopic rod. The first fixed base is provided with a first guide rail and a first slider slidably connected to the first guide rail. The first slider is fixedly connected to the first movable block. The first tension sensor is fixed on the first movable block. The radial motion assembly adopts a sliding guide cooperation structure between the first guide rail and the first slider. Combined with the linear telescopic drive of the first telescopic rod, the movement trajectory of the first movable block is strictly limited, ensuring that the radial motion assembly always makes precise linear movement along the radial direction of the sample tube assembly. This avoids clamping force loading deviation caused by movement offset, making the installation and force value acquisition of the first tension sensor more stable, and further improving the accuracy and stability of radial clamping force detection.

[0011] Furthermore, the connecting ring assembly includes a connecting ring and a second bearing. The second bearing is disposed between the connecting ring and the sample tube assembly. A lifting ring is provided on the connecting ring, and the first connecting rope is connected to the lifting ring. The second bearing between the connecting ring and the sample tube assembly eliminates contact friction between the connecting ring and the sample tube assembly when the rotating assembly rotates, avoiding interference from frictional resistance on the radial clamping force detection data and ensuring the purity of the tensile force transmission. Simultaneously, the lifting ring on the connecting ring provides a stable and reliable connection point for the first connecting rope, ensuring smooth transmission of tensile force from the radial motion assembly to the sample tube assembly, further improving the accuracy of the clamping force detection data.

[0012] Furthermore, the separation force detection module includes a vertical drive component, an axial motion component, a second tension sensor, and a second connecting rope. The vertical drive component is fixedly connected to the base, and drives the axial motion component to move along the axial direction of the sample tube assembly. The second tension sensor is fixedly connected to the axial motion component. One end of the second connecting rope is connected to the second tension sensor, and the other end is connected to the bottom center of the sample tube assembly. By driving the axial motion component to move linearly along the axial direction of the sample tube assembly through the vertical drive component, and with the precise connection between the second connecting rope and the bottom center of the sample tube assembly, an axial separation force can be applied accurately and controllably along the axial direction of the sample tube assembly. At the same time, the second tension sensor collects axial force data in real time, realizing the controllable loading and accurate detection of the axial separation force of the sample tube assembly.

[0013] Furthermore, the axial motion assembly includes a second fixed base, a second telescopic rod, and a second movable block. The vertical drive component is fixedly connected to the second fixed base. The second telescopic rod is installed inside the second fixed base. The second movable block is fixedly connected to the second telescopic rod. The second fixed base is provided with a second guide rail and a second slider slidably connected to the second guide rail. The second slider is fixedly connected to the second movable block. The second tension sensor is fixed on the second movable block. The axial motion assembly adopts a guiding and cooperating structure of the second guide rail and the second slider, combined with the linear telescopic drive of the second telescopic rod, strictly limiting the movement trajectory of the second movable block. This ensures that it always makes precise linear movements along the axial direction of the sample tube assembly, avoiding offset problems during axial movement, ensuring the coaxiality of the axial separation force loading, eliminating the additional radial force caused by movement deviation, and making the axial separation force data collected by the second tension sensor more realistic and accurate.

[0014] Furthermore, the system also includes a control system, which is connected to the rotating component, the separation force detection module, and the clamping force detection module via signals. The control system can adjust the rotation angle, rotation speed, and start / stop parameters of the rotating component, and can also adjust the loading force, loading rate, and stroke parameters of the separation force detection module and the clamping force detection module. The control system achieves automated and intelligent control of each functional module of the device, allowing for flexible setting and precise adjustment of the motion parameters of the rotating component and the loading parameters of the separation force and clamping force detection modules. It supports independent operation or coordinated linkage of each module, adapting to different separation force detection conditions.

[0015] Furthermore, the system also includes a data processing system. This data processing system is signal-connected to the control system, the separation force detection module, and the clamping force detection module. The data processing system can collect axial force data from the separation force detection module, radial force data from the clamping force detection module, and motion parameters of the rotating component in real time. It also records, categorizes, stores, and visualizes the collected data in real time. The data processing system automates and systematically processes the detection data and equipment motion parameters. It can collect axial and radial force data and motion parameters of the rotating component in real time, and complete real-time recording, categorized storage, and visualization of the data, providing comprehensive and scientific quantitative data support for the comprehensive evaluation of the separation performance and structural optimization of the stellar soil sample tube.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. It can accurately reproduce the real stress conditions of the on-orbit separation of the star soil sample tube. By rotating the rotating component around the central axis of the sample tube component 360°, and coordinating the axial separation force detection and radial clamping force detection, it can realize the coupled loading test of omnidirectional radial force and axial force. 2. To improve the accuracy and stability of separation force detection, both radial and axial motion components adopt a guide rail slider structure to ensure linear output of loading force. The second bearing of the connecting ring component effectively eliminates frictional interference between it and the sample tube component. Combined with real-time acquisition by a high-precision tensile sensor, the accuracy of axial and radial force data is ensured. 3. It has high operational flexibility and detection functionality. The control system can freely set the motion parameters of the rotating components and the loading parameters of the force detection module, and supports independent or collaborative linkage of each module to adapt to different detection conditions. At the same time, the data processing system can complete the real-time recording and analysis of detection data and generate characteristic curves, providing comprehensive and intuitive quantitative data support for the structural optimization and separation performance evaluation of the star soil sample tube. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the separation force detection device for star soil sample tubes. Figure 2 This is a schematic diagram of the rotating component. Figure 3 This is a structural diagram of the clamping force detection module and the separation force detection module.

[0018] In the attached diagram: 100, fixed bracket; 200, rotating bracket; 210, base; 220, rotating assembly; 221, mounting base; 222, rotating table; 223, rotating drive component; 224, transmission gear; 225, internal gear; 230, first bearing; 300, funnel assembly; 400, sample tube assembly; 500, separation force detection module; 510, vertical drive component; 520, second tension sensor; 530, second connecting rope; 541, second fixed base; 542. Second telescopic rod; 543. Second movable block; 544. Second guide rail; 545. Second slider; 600. Clamping force detection module; 610. Horizontal drive component; 620. First tension sensor; 630. First connecting rope; 640. Connecting ring assembly; 641. Connecting ring; 642. Second bearing; 643. Lifting ring; 651. First fixed seat; 652. First telescopic rod; 653. First movable block; 654. First guide rail; 655. First slider. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0020] In the accompanying drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if terms such as "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting the present patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] Example 1 This embodiment is the first embodiment of the star soil sample tube separation force detection device, including a fixed support 100, a rotating support 200, a bearing component, a separation force detection module 500, and a clamping force detection module 600. The bearing component is used to place the funnel component 300 and the sample tube component 400 that are interlocked with each other. The bearing component is set on the fixed support 100. The rotating support 200 includes a base 210 and a rotating component 220 rotatably connected to the base 210. The rotation axis of the rotating component 220 coincides with the central axis of the bearing component, and the rotation radius of the rotating component 220 is greater than the radius of the bearing component. The separation force detection module 500 is set on the base 210 and connected to the bottom of the bearing component. The clamping force detection module 600 is set on the rotating component 220 and connected to the side wall of the bearing component.

[0022] In the working process of the sample tube separation force detection device of the present invention, the sample tube assembly 400 is first snapped into the funnel assembly 300 and then assembled onto the support assembly to keep the sample tube assembly 400 in a stable detection posture. Then, the rotating component 220 of the rotating bracket 200 rotates circumferentially about the central axis of the sample tube assembly 400. Since the rotation radius of the rotating component 220 is larger than the radius of the sample tube assembly 400, the clamping force detection module 600 above it can be adjusted to any radial position on the side wall of the sample tube assembly 400 with the rotating component 220 and cooperate with the side wall to realize the detection of radial clamping force. At the same time, the separation force detection module 500 on the base 210 is connected to the bottom of the sample tube assembly 400 and applies an axial force to complete the axial separation force detection when the sample tube assembly 400 separates from the funnel assembly 300. The radial detection action of the clamping force detection module 600 and the axial detection action of the separation force detection module 500 can be performed independently or synchronously with the rotation of the rotating component 220 to simulate the complex stress state when the sample tube is actually separated. This invention can accurately reproduce the actual stress conditions during the separation of the star soil sample tube. By rotating the rotating component 220 around the central axis of the sample tube assembly 400, and coordinating the axial separation force detection and radial clamping force detection, the coupling loading test of omnidirectional radial force and axial force can be realized.

[0023] The rotating assembly 220 includes a mounting base 221, a rotating stage 222, a transmission assembly, and a rotating drive component 223. Both the rotating drive component 223 and the mounting base 221 are fixed to the base 210. The rotating stage 222 is rotatably connected to the mounting base 221. The transmission assembly is positioned between the rotating drive component 223 and the rotating stage 222, driving the rotating stage 222 to rotate on the mounting base 221. The clamping force detection module 600 is fixedly connected to the rotating stage 222. By transmitting driving force through the rotating drive component 223 in conjunction with the transmission assembly, stable and controllable rotation of the rotating stage 222 relative to the mounting base 221 is achieved. This provides reliable rotational mounting and motion support for the clamping force detection module 600, ensuring that the clamping force detection module 600 can be precisely adjusted to its radial detection position outside the sample tube assembly 400 with the rotating stage 222, thus improving the structural stability and motion controllability of the device's rotational adjustment.

[0024] The transmission assembly includes a meshing transmission gear 224 and an internal gear 225. The rotary table 222 is annular, and a first bearing 230 is provided between the rotary table 222 and the mounting base 221. The internal gear 225 is located on the inner wall of the annular ring, and the transmission gear 224 is fixedly connected to the output shaft of the rotary drive component 223. The meshing transmission gear 224 and the internal gear 225 constitute the core of the transmission assembly. Combined with the first bearing 230 between the rotary table 222 and the mounting base 221, the gear meshing transmission achieves precise power transmission, ensuring precise control of the rotation angle and speed of the rotary table 222. The first bearing 230 effectively reduces the rotational friction between the rotary table 222 and the mounting base 221, reducing mechanical losses. At the same time, the annular structure of the rotary table 222 and the internal gear 225 on the inner wall are compatible, making the transmission structure layout more compact and improving the transmission efficiency and smooth operation of the rotary assembly 220.

[0025] The clamping force detection module 600 includes a horizontal drive component 610, a radial motion component, a first tension sensor 620, and a first connecting rope 630. The bearing component includes a connecting ring assembly 640. The horizontal drive component 610 is mounted on the rotary table 222. The horizontal drive component 610 drives the radial motion component to move radially along the sample tube assembly 400. The first tension sensor 620 is fixedly connected to the radial motion component. One end of the first connecting rope 630 is connected to the first tension sensor 620, and the other end is connected to the connecting ring assembly 640. The connecting ring assembly 640 is sleeved on the sample tube assembly 400 and can rotate relative to the sample tube assembly 400.

[0026] The radial motion assembly includes a first fixed base 651, a first telescopic rod 652, and a first movable block 653. A horizontal drive component 610 is fixedly connected to the first fixed base 651. The first telescopic rod 652 is installed inside the first fixed base 651. The first movable block 653 is fixedly connected to the first telescopic rod 652. A first guide rail 654 and a first slider 655 slidably connected to the first guide rail 654 are provided on the first fixed base 651. The first slider 655 is fixedly connected to the first movable block 653. A first tension sensor 620 is fixed to the first movable block 653. The radial motion assembly adopts a sliding guide cooperation structure between the first guide rail 654 and the first slider 655. Combined with the linear telescopic drive of the first telescopic rod 652, the movement trajectory of the first movable block 653 is strictly limited, ensuring that the radial motion assembly always makes precise linear movement along the radial direction of the sample tube assembly 400. This avoids clamping force loading deviation caused by movement offset, making the installation and force value acquisition of the first tension sensor 620 more stable, and further improving the accuracy and stability of radial clamping force detection.

[0027] The connecting ring assembly 640 includes a connecting ring 641 and a second bearing 642. The second bearing 642 is disposed between the connecting ring 641 and the sample tube assembly 400. A lifting ring 643 is provided on the connecting ring 641, and a first connecting rope 630 is connected to the lifting ring 643. The second bearing 642 between the connecting ring 641 and the sample tube assembly 400 eliminates contact friction between the connecting ring 641 and the sample tube assembly 400 when the rotating assembly 220 rotates, avoiding interference from frictional resistance on the radial clamping force detection data and ensuring the purity of the tensile force transmission. Simultaneously, the lifting ring 643 on the connecting ring 641 provides a stable and reliable connection point for the first connecting rope 630, ensuring smooth transmission of tensile force from the radial motion assembly to the sample tube assembly 400, further improving the accuracy of the clamping force detection data.

[0028] Example 2 This embodiment is the second embodiment of the sample tube separation force detection device. Similar to the first embodiment, the difference lies in that the separation force detection module 500 includes a vertical drive component 510, an axial motion component, a second tension sensor 520, and a second connecting rope 530. The vertical drive component 510 is fixedly connected to the base 210. The vertical drive component 510 drives the axial motion component to move along the axial direction of the sample tube assembly 400. The second tension sensor 520 is fixedly connected to the axial motion component. One end of the second connecting rope 530 is connected to the second tension sensor 520, and the other end is connected to the bottom center of the sample tube assembly 400. By driving the axial motion component to move linearly along the axial direction of the sample tube assembly 400 through the vertical drive component 510, and with the precise connection of the second connecting rope 530 to the bottom center of the sample tube assembly 400, an axial separation force can be applied precisely and controllably along the axial direction of the sample tube assembly 400. Simultaneously, the second tension sensor 520 collects axial force data in real time, achieving controllable loading and precise detection of the axial separation force of the sample tube assembly 400.

[0029] The axial motion assembly in this embodiment includes a second fixed base 541, a second telescopic rod 542, and a second movable block 543. The vertical drive member 510 is fixedly connected to the second fixed base 541. The second telescopic rod 542 is installed inside the second fixed base 541. The second movable block 543 is fixedly connected to the second telescopic rod 542. The second fixed base 541 is provided with a second guide rail 544 and a second slider 545 that is slidably connected to the second guide rail 544. The second slider 545 is fixedly connected to the second movable block 543. The second tension sensor 520 is fixed on the second movable block 543. The axial motion component adopts a guiding and cooperating structure of the second guide rail 544 and the second slider 545, and is driven by the linear extension and retraction of the second telescopic rod 542. This strictly limits the movement trajectory of the second movable block 543, ensuring that it always moves precisely and linearly along the axial direction of the sample tube assembly 400. This avoids the offset problem during the axial movement process, ensures the coaxiality of the axial separation force loading, eliminates the additional radial force caused by the movement deviation, and makes the axial separation force data collected by the second tension sensor 520 more realistic and accurate.

[0030] Example 3 This embodiment is the third embodiment of the star soil sample tube separation force detection device. Similar to Embodiment 1, this embodiment includes a control system. The control system is connected to the rotating component 220, the separation force detection module 500, and the clamping force detection module 600. The control system can adjust the rotation angle, rotation speed, and start / stop parameters of the rotating component 220, as well as the loading force, loading rate, and stroke parameters of the separation force detection module 500 and the clamping force detection module 600. The control system achieves automated and intelligent control of each functional module of the device, allowing for flexible setting and precise adjustment of the motion parameters of the rotating component 220 and the loading parameters of the separation force and clamping force detection modules 600. It supports independent operation or coordinated linkage of each module, adapting to different separation force detection conditions. The control system in this embodiment has abnormal monitoring and emergency shutdown functions. It can collect the operating data of each module in real time through sensors. When abnormal conditions such as force exceeding the range, moving parts jamming, or power failure of the drive components are detected, the control system immediately triggers an audible and visual alarm and quickly cuts off the power output of all drive components such as the rotary drive component 223, the horizontal drive component 610, and the vertical drive component 510, so as to realize the emergency shutdown of the equipment, effectively avoid damage to the detection equipment and deformation or breakage of the sample tube under test, and ensure the safety of the detection process.

[0031] The separation force detection device for the spherical soil sample tube in this embodiment also includes a data processing system. The data processing system is signal-connected to the control system, the separation force detection module 500, and the clamping force detection module 600. The data processing system can collect axial force data from the separation force detection module 500, radial force data from the clamping force detection module 600, and motion parameters of the rotating component 220 in real time. It also records, categorizes, stores, and visualizes the collected data in real time. The data processing system automates and systematically processes the detection data and device motion parameters. It can collect axial and radial force data and motion parameters of the rotating component 220 in real time, and complete the real-time recording, categorized storage, and visualization of the data, providing comprehensive and scientific quantitative data support for the comprehensive evaluation of the separation performance and structural optimization of the spherical soil sample tube. The data processing system in this embodiment has a built-in professional data analysis algorithm, which has the functions of in-depth data analysis and multi-dimensional characteristic curve generation. It can perform fitting analysis and statistical analysis on the collected force, displacement, time, angle and other data, and automatically generate characteristic curves such as force-displacement and force-time, which intuitively show the separation force change law of the sample tube under different stress conditions. In addition, the data processing system can also comprehensively evaluate the test data according to the preset technical standards of the spherical soil sampling operation and automatically generate standardized test reports. It supports data export and historical query, providing comprehensive and scientific quantitative data support for the structural optimization and separation performance verification of spherical soil sample tubes.

[0032] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.

[0033] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A device for detecting the separation force of a soil sample tube, characterized in that, The system includes a fixed support (100), a rotating support (200), a load-bearing component, a separation force detection module (500), and a clamping force detection module (600). The load-bearing component is used to place the interlocking funnel assembly (300) and sample tube assembly (400). The load-bearing component is mounted on the fixed support (100). The rotating support (200) includes a base (210) and a rotating component (220) rotatably connected to the base (210). The rotation axis of the rotating component (220) coincides with the central axis of the load-bearing component, and the rotation radius of the rotating component (220) is greater than the radius of the load-bearing component. The separation force detection module (500) is mounted on the base (210) and connected to the bottom of the load-bearing component. The clamping force detection module (600) is mounted on the rotating component (220) and connected to the side wall of the load-bearing component.

2. The star soil sample tube separation force detection device according to claim 1, characterized in that, The rotating assembly (220) includes a mounting base (221), a rotating platform (222), a transmission assembly, and a rotating drive (223). The rotating drive (223) and the mounting base (221) are both fixed on the base (210). The rotating platform (222) is rotatably connected to the mounting base (221). The transmission assembly is disposed between the rotating drive (223) and the rotating platform (222) and is used to drive the rotating platform (222) to rotate on the mounting base (221). The clamping force detection module (600) is fixedly connected to the rotating platform (222).

3. The star soil sample tube separation force detection device according to claim 2, characterized in that, The transmission assembly includes a transmission gear (224) and an internal gear (225) that mesh with each other. The rotary table (222) is an annular ring. A first bearing (230) is provided between the rotary table (222) and the mounting base (221). The internal gear (225) is disposed on the inner wall of the annular ring. The transmission gear (224) is fixedly connected to the output shaft of the rotary drive (223).

4. The star soil sample tube separation force detection device according to claim 2, characterized in that, The clamping force detection module (600) includes a horizontal drive (610), a radial motion component, a first tension sensor (620), and a first connecting rope (630). The bearing component includes a connecting ring assembly (640). The horizontal drive (610) is mounted on the rotary table (222). The horizontal drive (610) drives the radial motion component to move radially along the sample tube assembly (400). The first tension sensor (620) is fixedly connected to the radial motion component. One end of the first connecting rope (630) is connected to the first tension sensor (620), and the other end is connected to the connecting ring assembly (640). The connecting ring assembly (640) is sleeved on the sample tube assembly (400) and can rotate relative to the sample tube assembly (400).

5. The star soil sample tube separation force detection device according to claim 4, characterized in that, The radial motion assembly includes a first fixed base (651), a first telescopic rod (652), and a first movable block (653). The horizontal drive member (610) is fixedly connected to the first fixed base (651). The first telescopic rod (652) is installed inside the first fixed base (651). The first movable block (653) is fixedly connected to the first telescopic rod (652). The first fixed base (651) is provided with a first guide rail (654) and a first slider (655) slidably connected to the first guide rail (654). The first slider (655) is fixedly connected to the first movable block (653). The first tension sensor (620) is fixed on the first movable block (653).

6. The star soil sample tube separation force detection device according to claim 4, characterized in that, The connecting ring assembly (640) includes a connecting ring (641) and a second bearing (642). The second bearing (642) is disposed between the connecting ring (641) and the sample tube assembly (400). A lifting ring (643) is provided on the connecting ring (641), and the first connecting rope (630) is connected to the lifting ring (643).

7. The star soil sample tube separation force detection device according to claim 1, characterized in that, The separation force detection module (500) includes a vertical drive (510), an axial motion component, a second tension sensor (520), and a second connecting rope (530). The vertical drive (510) is fixedly connected to the base (210). The vertical drive (510) drives the axial motion component to move along the axial direction of the sample tube assembly (400). The second tension sensor (520) is fixedly connected to the axial motion component. One end of the second connecting rope (530) is connected to the second tension sensor (520), and the other end is connected to the bottom center of the sample tube assembly (400).

8. The star soil sample tube separation force detection device according to claim 7, characterized in that, The axial motion assembly includes a second fixed seat (541), a second telescopic rod (542), and a second movable block (543). The vertical drive member (510) is fixedly connected to the second fixed seat (541). The second telescopic rod (542) is installed inside the second fixed seat (541). The second movable block (543) is fixedly connected to the second telescopic rod (542). The second fixed seat (541) is provided with a second guide rail (544) and a second slider (545) slidably connected to the second guide rail (544). The second slider (545) is fixedly connected to the second movable block (543). The second tension sensor (520) is fixed on the second movable block (543).

9. The star soil sample tube separation force detection device according to any one of claims 1 to 8, characterized in that, It also includes a control system, which is connected to the rotating component (220), the separation force detection module (500), and the clamping force detection module (600) respectively. The control system can adjust the rotation angle, rotation speed, and start / stop parameters of the rotating component (220), and can also adjust the loading force value, loading rate, and stroke parameters of the separation force detection module (500) and the clamping force detection module (600).

10. The star soil sample tube separation force detection device according to claim 9, characterized in that, It also includes a data processing system, which is connected to the control system, the separation force detection module (500), and the clamping force detection module (600) in real time. The data processing system can collect the axial force data of the separation force detection module (500), the radial force data of the clamping force detection module (600), and the motion parameters of the rotating component (220) in real time, and record, classify and store, and visualize the collected data in real time.

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