Sanding three-dimensional track capturing device
By designing a three-dimensional trajectory capture device for sand spreading, and using a camera and data processing center to analyze the movement trajectory of sand particles, the problem of the inability to capture the three-dimensional movement trajectory of sand particles in existing technologies has been solved, enabling precise adjustment and drawing of sand sample configuration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-24
AI Technical Summary
There is a lack of existing technology for devices that can capture and map the three-dimensional motion trajectory of sand particles in sand sample configurations using the sand rain method in real time.
A three-dimensional trajectory capture device for sand spreading was designed, including a support, a lifting and sliding device, a sand storage container, a disperser, a camera, and a data processing center. The camera captures photos and videos, and the data processing center analyzes the movement trajectory of sand particles in the horizontal and vertical planes to draw their three-dimensional movement trajectory.
It enables real-time three-dimensional motion trajectory capture and mapping of sand particles during sand spreading, provides a means to adjust the compaction of sand sample configuration, and improves the accuracy of geotechnical model tests.
Smart Images

Figure CN224035261U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sanding equipment technical field relates to a kind of sanding three-dimensional trajectory capture device, suitable for real-time capture sand soil particle movement trajectory in sand rain method sand sample configuration process. BACKGROUND
[0002] In geotechnical model test, to simulate sand foundation, sand rain method is a commonly used foundation configuration method. The sand soil stored in sand storage device flows out from the bottom plate of sand storage device, is dispersed through multiple layers of different screen aperture dispersers, and finally falls in model box. In this process, by changing the flow of sand storage device, the combination and aperture of screen on disperser and the falling distance of sand soil, the compactness of the finally configured sand soil sample can be adjusted. In the sanding process of sand rain method, how to capture and draw the movement trajectory of sand soil particles in the sanding process is a difficult problem, and currently there is no set of device capable of capturing and drawing the three-dimensional movement trajectory of sand soil particles in sand rain method sand sample configuration. SUMMARY
[0003] The utility model discloses a kind of sanding three-dimensional trajectory capture device, which can capture and draw the three-dimensional movement trajectory of sand soil particles in sand rain method sand sample configuration, to overcome the shortcomings of prior art.
[0004] The technical scheme of the sanding three-dimensional trajectory capture device of the utility model is as follows: a bracket is provided, a lifting sliding device is arranged on the bracket, the lifting sliding device slides along the bracket, a sand storage device for loading sand soil is arranged on the lifting sliding device, the sand storage device includes a sand storage device side plate, a sand storage device bottom plate and a staggered plate, a laser displacement meter is arranged in the sand storage device side plate, an upper groove and a lower groove are arranged at the lower edge of the inner wall of the sand storage device side plate, the sand storage device bottom plate is embedded in the upper groove and fixed with the sand storage device side plate, the staggered plate is inserted into the lower groove from the lower part of the sand storage device side plate, a matrix hole is formed in the sand storage device bottom plate, a lower matrix hole is formed in the staggered plate, a curtain dispersing device is arranged below the lifting sliding device, the curtain dispersing device includes a disperser and a shielding curtain, the disperser slides along the bracket, a screen is arranged on the disperser, a second camera and a shielding curtain are arranged at the lower part of the disperser, a model box is arranged below the screen, the lower part of the shielding curtain is fixedly connected with the model box, a third camera is arranged outside the model box, the third camera is connected with a data processing center, sand soil flows out from the upper and lower matrix holes and falls on the screen, and finally falls into the model box, the second camera and the third camera are used for taking photos and videos, the data processing center is used for receiving and processing the photos and videos taken by the second camera and the third camera, so as to capture the distribution of the falling sand soil particles in the horizontal plane and the movement trajectory in the vertical plane, and finally draw the real-time three-dimensional movement trajectory of the sand soil particles in the sanding space after color marking.
[0005] Further, the support includes four vertical columns, cross support rods and racks, racks are arranged on the four vertical columns respectively, cross support rods are arranged between the four vertical columns, the lifting sliding device is arranged on the vertical column and slides up and down along the vertical column.
[0006] Further, the lifting sliding device includes a sliding support and a companion support, the sliding support and the companion support are arranged on the vertical column respectively, a support motor, a support beam and a support controller are arranged on the sliding support, one end of the support beam is connected to the companion support through a support transmission shaft, support gears are arranged in the support beam and the companion support respectively, the support gears are engaged with the racks of the vertical column, an output shaft of the support motor is connected to the support gear in the support beam.
[0007] Further, elastic legs are arranged on the support beam, electric rollers are arranged on the elastic legs, the electric rollers protrude from the upper part of the support beam, the outer layer of the electric rollers is covered with rubber skin, the electric rollers are driven to rotate through a roller controller, the upper end of the electric roller is in contact with the bottom of the staggered plate.
[0008] Further, the disperser includes a disperser motor and a disperser companion support, the disperser motor and the disperser companion support are arranged on the vertical column respectively, a disperser controller is arranged on the disperser motor, the other end of a disperser transmission shaft of the disperser motor is connected to the disperser companion support, a disperser gear and a screen are arranged on the disperser transmission shaft, the disperser gear is matched with the racks of the vertical column.
[0009] Further, a curtain grid is arranged on the shielding curtain, the upper part of the shielding curtain is fixed to the disperser through a hook, the lower part of the shielding curtain is fixed to the upper edge of the model box through a hook.
[0010] Further, a spring rope is arranged on the inner side of the shielding curtain, the upper part of the spring rope is fixed to the disperser through a hook, the lower part of the spring rope is fixed to the upper edge of the model box through a hook.
[0011] Further, the model box is composed of a model box side plate and a model box bottom plate, a matrix grid is drawn on the model box side plate, a scale is arranged on the inner wall and the outer wall of the model box side plate respectively.
[0012] Further, a fiber optic pressure gauge is arranged on the inner wall of the model box side plate.
[0013] Further, a rubber support is arranged on the lower part of the model box.
[0014] The beneficial effects of the sanding three-dimensional trajectory capturing device are as follows: 1. The second camera installed at the bottom of the dispenser can capture the distribution of the color-marked sand particles in the horizontal plane which fall from the dispenser;
[0015] 2. The third camera installed in front of the sanding device continuously shoots photos and videos of the curtain grating and the matrix grating during the sanding process, analyzes the position changes of the color-marked sand particles in the curtain grating and the matrix grating projection, and draws the motion trajectory of the color-marked sand particles in the vertical plane.
[0016] 3. The data processing center provided by the sanding three-dimensional trajectory capturing device combines the distribution of the color-marked sand particles in the horizontal plane and the motion trajectory in the vertical plane obtained by processing the photos and videos shot by the second camera and the third camera, and finally draws the real-time three-dimensional motion trajectory of the color-marked sand particles in the sanding space. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of the sanding three-dimensional trajectory capturing device of the utility model;
[0018] Figure 2 is a structural schematic view of the cooperation state of the support, the lifting sliding device and the sand storage device;
[0019] Figure 3 is a structural schematic view of the sand storage device;
[0020] Figure 4 is a structural schematic view of the cooperation state of the support and the lifting sliding device;
[0021] Figure 5 is a structural schematic view of the cooperation state of the support and the dispenser;
[0022] Figure 6 is a top view schematic view of the sand storage device bottom plate;
[0023] Figure 7 is a top view schematic view of the staggered plate;
[0024] Figure 8 is a top view schematic view of the sand storage device bottom plate in the completely staggered stop sanding state of the upper matrix hole and the lower matrix hole of the staggered plate;
[0025] Figure 9 is a top view schematic view of the sand storage device bottom plate in the completely overlapped maximum sanding amount state of the upper matrix hole and the lower matrix hole of the staggered plate.
[0026] In the figure, 1 - column; 11 - cross support rod; 12 - rack; 2 - sand storage device; 21 - sand storage device side plate; 22 - sand storage device bottom plate; 23 - staggered plate; 24 - laser displacement meter; 25 - upper groove; 26 - lower groove; 28 - upper matrix hole; 29 - lower matrix hole; 3 - sliding support; 31 - support motor; 32 - support gear; 33 - support cross beam; 34 - elastic leg; 35 - electric roller; 36 - support controller; 37 - accompanying support; 38 - support transmission shaft; 39 - roller controller; 4 - disperser; 41 - disperser motor; 42 - disperser gear; 43 - disperser controller; 44 - disperser transmission shaft; 45 - screen; 46 - second camera; 47 - disperser accompanying support; 5 - shielding curtain; 51 - curtain grid; 52 - hook; 53 - elastic rope; 6 - model box; 61 - model box side plate; 62 - model box bottom plate; 63 - rubber support; 64 - scale ruler; 65 - fiber optic pressure gauge; 66 - matrix grid; 67 - third camera; 68 - data processing center. DETAILED DESCRIPTION
[0027] The utility model relates to a kind of sanding three-dimensional trajectory capture device, such as Figure 1 Figure 9 As shown, including the bracket, the bracket is provided with lifting sliding device, lifting sliding device along the bracket sliding, lifting sliding device is provided for loading sand storage 2, the storage sand 2 includes storage sand side plate 21, storage sand bottom plate 22 and staggered plate 23, the laser displacement meter 24 is arranged in the storage sand side plate 21, the lower edge of the inner wall of the storage sand side plate 21 is provided with upper groove 25 and lower groove 26, the storage sand bottom plate 22 is embedded in the upper groove 25 and fixed with the storage sand side plate 21, the staggered plate 23 is inserted into the lower groove 26 from the lower part of the storage sand side plate 21, the upper matrix hole 28 is opened on the storage sand bottom plate 22, the lower matrix hole 29 is opened on the staggered plate 23, the curtain dispersing device is arranged below the lifting sliding device, the curtain dispersing device includes disperser 4 and shielding curtain 5, the disperser 4 slides along the bracket, the screen 45 is arranged on the disperser 4, the second camera 46 and the shielding curtain 5 are arranged on the lower part of the disperser 4, the model box 6 is arranged below the screen 45, the lower part of the shielding curtain 5 is fixedly connected with the model box 6, the third camera 67 is arranged outside the model box 6, the third camera 67 is connected with the data processing center 68, the sand soil flows out from the upper and lower matrix holes 28, 29 and falls on the screen 45, and finally falls into the model box 6, the second camera 46 and the third camera 67 are used for shooting photos and videos, the data processing center 68 is used for receiving and processing the photos and videos shot by the second camera 46 and the third camera 67, so as to capture the distribution of the scattered sand particles in the horizontal plane and the movement track in the vertical plane, and finally draw the real-time three-dimensional movement track of the sand particles in the sand scattering space after color marking.
[0028] Further, the bracket includes four vertical columns 1, cross support rods 11 and racks 12, the racks 12 are arranged on the four vertical columns 1 respectively, the cross support rods 11 are arranged between the four vertical columns 1, and the lifting sliding device is arranged on the vertical columns 1 and slides up and down along the vertical columns 1.
[0029] Further, the lifting and sliding device comprises a sliding support 3 and a companion support 37, which are arranged on the stand 1 respectively, the sliding support 3 is provided with a support motor 31, a support beam 33 and a support controller 36, one end of the support beam 33 is connected with the companion support 37 through a support transmission shaft 38, the support beam 33 and the companion support 37 are provided with a support gear 32 respectively, the support gear 32 is engaged with the rack 12 of the stand 1, and the output shaft of the support motor 31 is connected with the support gear 32 in the support beam 33. Under the control of the support controller 36, the output shaft of the support motor 31 drives the support gear 32 to rotate, the support gear 32 is engaged with the rack 12 of the stand 1, thereby driving the whole sliding support 3 to move up and down along the stand 1.
[0030] Further, the support beam 33 is provided with an elastic support leg 34, the elastic support leg 34 is provided with an electric roller 35, the electric roller 35 protrudes from the upper portion of the support beam 33, the outer layer of the electric roller 35 is covered with rubber skin, the electric roller 35 is driven to rotate through a roller controller 39, and the upper end of the electric roller 35 is in contact with the bottom of the staggered plate 23. The roller controller 39 drives the electric roller 35 to rotate, the electric roller 35 drives the staggered plate 23 to slide along the lower groove 26, so that the lower matrix type hole 29 of the staggered plate 23 and the upper matrix type hole 28 formed on the bottom plate 22 of the sand storage device generate different overlapping areas, and the rubber skin is used to increase the friction force after the electric roller 35 is in contact with the staggered plate 23.
[0031] Further, the disperser 4 comprises a disperser motor 41 and a disperser companion support 47, which are arranged on the stand 1 respectively, the disperser motor 41 is provided with a disperser controller 43, the other end of a disperser transmission shaft 44 of the disperser motor 41 is connected with the disperser companion support 47, the disperser transmission shaft 44 is provided with a disperser gear 42 and a screen 45, and the disperser gear 42 is matched with the rack 12 of the stand 1. Under the control of the disperser controller 43, the disperser motor 41 drives the disperser transmission shaft 44 to rotate, the disperser transmission shaft 44 drives the disperser gear 42 to rotate, the disperser gear 42 is matched with the rack 12 of the stand 1, and the disperser transmission shaft 44 drives the disperser motor 41, the disperser companion support 47, the screen 45, a second camera 46 and the shielding curtain 5 to move up and down together.
[0032] Further, the shielding curtain 5 is provided with a curtain grid 51, the upper portion of the shielding curtain 5 is fixed with the disperser 4 through a hook 52, and the lower portion of the shielding curtain 5 is fixed with the upper edge of the model box 6 through the hook 52.
[0033] Further, the inner side of the shielding curtain 5 is provided with an elastic rope 53, the upper part of the elastic rope 53 is fixed with the distributor 4 through the hook 52, and the lower part of the elastic rope 53 is fixed with the upper edge of the model box 6 through the hook 52. The elastic rope 53 can support the shielding curtain 5.
[0034] Further, the model box 6 is composed of a model box side plate 61 and a model box bottom plate 62, the model box side plate 61 is provided with a matrix grid 66, and the inner wall and the outer wall of the model box side plate 61 are respectively provided with a scale ruler 64. The model box 6 is a cuboid container with an open upper part, and the model box side plate 61 and the model box bottom plate 62 are made of organic glass, stainless steel, aluminum alloy or plastic transparent or opaque plate material, the matrix grid 66 is a dot matrix grid drawn on the model box side plate 61, combined with the sand particles marked in color, used for determining the relative position of the sand particles marked in the falling process in the vertical plane, and the scale ruler 64 is installed on the inner wall and the outer wall of the model box side plate 61 and used for reading the height of the sand surface in the model box 6.
[0035] Further, the inner wall of the model box side plate 61 is provided with an optical fiber pressure gauge 65. The optical fiber pressure gauge 65 is vertically pasted on the inner wall of the model box side plate 61 and can be multiple, used for measuring the pressure of the sand in the model box 6 on the model box side plate 61 and the pressure distribution along the wall surface of the model box side plate 61; the optical fiber pressure gauge 65 can calculate the height of the sand surface in the model box 6 according to the pressure data and transmit signals to the support controller 36 and the distributor controller 43 through a signal transmission device, so as to control the movement of the sliding support 3 and the distributor 4, so as to keep the sand falling distance constant.
[0036] Further, the lower part of the model box 6 is provided with a rubber support 63. The rubber support 63 is used for supporting the model box 6 and creating a gap from the ground at the bottom of the model box 6, so as to facilitate the transportation of the model box 6 by a forklift.
[0037] The utility model discloses a sand three -dimensional trajectory capture device, through following method carries out sand particle movement trajectory three -dimensional capture:
[0038] S0, install the misplacement plate 23 in the lower groove 26 at the bottom of the sand storage device side plate 21, control the electric roller 35 to roll and adjust the misplacement plate 23 through the roller controller 39, make the lower matrix hole 29 of the misplacement plate 23 and the upper matrix hole 28 of the sand storage device bottom plate 22 completely misplace, fill sand in the sand storage device 2 at this time;
[0039] S1, the sand storage device 2 filled with sand is lifted by the hoist crane and placed on the sliding support 3 of the lifting sliding device and the accompanying support 37;
[0040] S2, install the screen 45 in the disperser 4, install the second camera 46 at the bottom of the disperser 4 and adjust the lens to aim at the model box 6, connect the upper end of the shading curtain 5 to the bottom of the disperser 4 through the hook 52, and connect the lower end of the shading curtain 5 to the top of the model box 6 through the hook 52;
[0041] S3, start the second camera 46, the third camera 67 and the optical fiber pressure gauge 65, control the electric roller 35 to push the staggered plate 23 through the roller controller 39, so that the upper matrix holes 28 of the sand reservoir bottom plate 22 and the lower matrix holes 29 of the staggered plate 23 gradually coincide, and the sanding starts, the sand flowing out of the sand reservoir 2 is dispersed by the screen 45 of the disperser 4 and then falls into the model box 6;
[0042] S4, during the sanding, the optical fiber pressure gauge 65 measures the height of the sand surface in the model box 6 in real time and transmits the signal to the disperser controller 43 and the support controller 36, and the disperser controller 43 and the support controller 36 control the sliding support 3 and the disperser 4 to move upwards along the stand 1, so that the distance from the bottom of the disperser 4 to the sand surface in the model box 6 (the sand falling distance) remains unchanged;
[0043] S5, during the sanding, when the laser displacement meter 24 detects the decrease of the sand surface height in the sand reservoir 2, the roller controller 39 controls the electric roller 35 to increase the coincidence area of the upper matrix holes 28 of the sand reservoir bottom plate 22 and the lower matrix holes 29 of the staggered plate 23 by adjusting the staggered plate 23, so as to keep the sand flow constant;
[0044] S6, observe the scale ruler 64 installed on the side plate 61 of the model box, when the sand surface in the model box 6 gradually rises to the preset height, the roller controller 39 controls the electric roller 35 to push the staggered plate 23, so that the upper matrix holes 28 of the sand reservoir bottom plate 22 and the lower matrix holes 29 of the staggered plate 23 are completely staggered (the projection coincidence area is 0), at this time, the sand no longer flows out of the sand reservoir, and the sanding ends;
[0045] S7, the data processing center 68 receives and processes the photos and videos taken by the second camera 46 and the third camera 67, analyzes the distribution of the sand particles marked with colors in the horizontal plane and the movement track in the vertical plane, and draws the real-time three-dimensional movement track of the sand particles in the sanding space.
[0046] The above specific embodiments are used to explain and illustrate the present application, which are only preferred embodiments of the present application, but not limit the present application, any modification, equivalent replacement, improvement, etc. made to the present application within the spirit and protection scope of the claims of the present application, all fall into the protection scope of the present application.
Claims
1. A sanding three-dimensional trajectory capture device, characterized by: The sand storage device (2) is arranged on the lifting sliding device and is used for loading sand, and the sand storage device (2) comprises a sand storage device side plate (21), a sand storage device bottom plate (22) and a staggered plate (23), a laser displacement meter (24) is arranged in the sand storage device side plate (21), an upper groove (25) and a lower groove (26) are arranged at the lower edge of the inner wall of the sand storage device side plate (21), the sand storage device bottom plate (22) is embedded in the upper groove (25) and is fixed with the sand storage device side plate (21), the staggered plate (23) is inserted into the lower groove (26) from the socket at the lower part of the sand storage device side plate (21), a plurality of upper matrix holes (28) are arranged on the sand storage device bottom plate (22), a plurality of lower matrix holes (29) are arranged on the staggered plate (23), a curtain dispersing device is arranged below the lifting sliding device, the curtain dispersing device comprises a disperser (4) and a shielding curtain (5), the disperser (4) slides along the support, a screen (45) is arranged on the disperser (4), a second camera (46) and the shielding curtain (5) are arranged at the lower part of the disperser (4), a model box (6) is arranged below the screen (45), the lower part of the shielding curtain (5) is fixedly connected with the model box (6), a third camera (67) is arranged outside the model box (6), the third camera (67) is connected with a data processing center (68), sand flows out of the upper and lower matrix holes (28, 29), falls on the screen (45) and is dispersed, and finally falls into the model box (6), the second camera (46) and the third camera (67) are used for shooting photos and videos, the data processing center (68) is used for receiving and processing the photos and videos shot by the second camera (46) and the third camera (67), so as to capture the distribution of the sand particles in the horizontal plane and the movement track of the sand particles in the vertical plane, and finally draw the real-time three-dimensional movement track of the sand particles in the sand scattering space after color marking.
2. A three-dimensional trajectory capture device for sanding according to claim 1, wherein: The support comprises four vertical columns (1), cross support rods (11) and racks (12), the racks (12) are arranged on the four columns (1) respectively, the cross support rods (11) are arranged between the four columns (1), and the lifting sliding device is arranged on the columns (1) and slides up and down along the columns (1).
3. A three-dimensional trajectory capture device for sanding according to claim 2, wherein: The lifting sliding device comprises sliding supports (3) and accompanying supports (37), the sliding supports (3) and the accompanying supports (37) are arranged on the columns (1) respectively, a support motor (31), a support beam (33) and a support controller (36) are arranged on the sliding supports (3), one end of the support beam (33) is connected with the accompanying supports (37) through a support transmission shaft (38), support gears (32) are arranged in the support beam (33) and the accompanying supports (37) respectively, the support gears (32) are engaged with the racks (12) of the columns (1), and the output shaft of the support motor (31) is connected with the support gears (32) in the support beam (33).
4. A sanding three-dimensional trajectory capture device as in claim 3, wherein: The support beam (33) is provided with elastic legs (34), the elastic legs (34) are provided with electric rollers (35), the electric rollers (35) protrude from the upper portion of the support beam (33), the outer layer of the electric rollers (35) is covered with rubber skin, the electric rollers (35) are driven to rotate through a roller controller (39), and the upper end of the electric rollers (35) is in contact with the bottom of the staggered plate (23).
5. A three-dimensional trajectory capture device for sanding according to claim 1, wherein: The disperser (4) comprises a disperser motor (41) and a disperser accompanying support (47), the disperser motor (41) and the disperser accompanying support (47) are arranged on the stand column (1) respectively, the disperser motor (41) is provided with a disperser controller (43), the other end of a disperser transmission shaft (44) of the disperser motor (41) is connected with the disperser accompanying support (47), the disperser transmission shaft (44) is provided with a disperser gear (42) and a screen (45), and the disperser gear (42) is matched with the rack (12) of the stand column (1).
6. A three-dimensional trajectory capture device for sanding according to claim 1, wherein: The shielding curtain (5) is provided with a curtain grid (51), the upper portion of the shielding curtain (5) is fixed with the disperser (4) through a hook (52), and the lower portion of the shielding curtain (5) is fixed with the upper edge of the model box (6) through the hook (52).
7. A three-dimensional trajectory capture device for sanding according to claim 6, wherein: The inner side of the shielding curtain (5) is provided with an elastic rope (53), the upper portion of the elastic rope (53) is fixed with the disperser (4) through the hook (52), and the lower portion of the elastic rope (53) is fixed with the upper edge of the model box (6) through the hook (52).
8. A three-dimensional trajectory capture device for sanding according to claim 1, wherein: The model box (6) is composed of a model box side plate (61) and a model box bottom plate (62), the model box side plate (61) is provided with a matrix grid (66), and the inner wall and the outer wall of the model box side plate (61) are respectively provided with scale scales (64).
9. A sanding three-dimensional trajectory capture device as in claim 8, wherein: The inner wall of the model box side plate (61) is provided with a fiber optic pressure gauge (65).
10. A sanding three-dimensional trajectory capture device as in claim 8, wherein: The lower portion of the model box (6) is provided with a rubber support (63).