A rock and soil sample sampling device

Abstract

The utility model belongs to the technical field of rock and soil sample sampling, specifically a rock and soil sample sampling device, comprising a circular fixed plate; a casing is fixedly connected to the bottom of the circular fixed plate, a rotating disk is rotatably installed in the casing, a drill tube is fixedly connected to the rotating disk, the outer surface of the drill tube is covered with a driven gear ring, a first motor is installed on the circular fixed plate, the output end of the first motor is connected to a rotating shaft, the bottom end of the rotating shaft is covered with a driving gear, and the driving gear and the driven gear ring are meshed with each other; after the sampling of the utility model is completed, the spring is in a stretched state, and the pressing cap is pressed downward, so that the movable rod drives the push plate to move downward, so that the sample inside the drill tube can be pushed out, and the rock core can be taken out without knocking the drill tube or the like, avoiding damage to the sample when knocking the drill tube from the outside, ensuring the integrity of the sampled rock core, and facilitating subsequent accurate detection and analysis.

Description

Technical Field

[0001] The utility model relates to the technical field of rock and soil sample sampling, in particular to a rock and soil sample sampling device. Background Art

[0002] Geological exploration is an essential task in the early stages of modern construction. Rock sampling is an indispensable part of geological exploration and resource development. By collecting rock specimens, testing and analyzing them, the topography and adverse geology of the geotechnical construction site can be verified.

[0003] A Chinese patent with announcement number CN217359100U discloses a sampling device for foundation rock and soil detection of water conservancy projects, including a fixed plate, a sliding hole is opened inside the fixed plate, a threaded rod is slidably connected inside the sliding hole, a lifting threaded sleeve and a fixing threaded sleeve are threadedly connected to the outside of the threaded rod, the lifting threaded sleeve is located below the fixed plate, the fixing threaded sleeve is located above the fixed plate, a ground nail is welded to the bottom of the threaded rod, a limiting hole is opened in the middle of the fixed plate, and a limiting tube is welded to the lower surface of the fixed plate; the movement of the sampling tube is limited by the limiting hole opened inside the fixed plate and the limiting tube, so that the sampling tube can sample stably and accurately, thereby improving the overall stability of the device.

[0004] With the existing rock sample sampling device, after the drill barrel samples, due to the large friction between the drill barrel and the rock core, the drilled rock core is usually stuck in the drill barrel, which makes it inconvenient to take out the rock and soil samples. The rock core needs to be taken out by knocking the drill barrel, which is time-consuming and labor-intensive. It is also very easy to cause the rock core to break and break, destroying the integrity of the sampled rock core, thereby affecting the detection results. Therefore, a rock and soil sample sampling device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised by the above-mentioned background technology, the utility model proposes a rock and soil sample sampling device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a rock and soil sample sampling device described in the utility model comprises a circular fixed plate; a casing is fixedly connected to the bottom of the circular fixed plate, a rotating disk is rotatably installed in the casing, a drill tube is fixedly connected to the rotating disk, a driven gear ring is sleeved on the outer surface of the drill tube, a first motor is installed on the circular fixed plate, a rotating shaft is connected to the output end of the first motor, a driving gear is sleeved on the bottom end of the rotating shaft, and the driving gear and the driven gear ring are meshed with each other, and the circular fixed plate, the casing, the rotating disk and the drill tube cooperate to form a synchronous A rod hole is provided, in which a movable rod is inserted, a push plate is fixedly connected to the bottom end of the movable rod, and the push plate is arranged in the drill barrel, a pressing cap is fixedly connected to the top end of the movable rod, a spring is fixedly connected between the pressing cap and the drill barrel, and the spring is sleeved on the movable rod. After sampling, the spring is in a stretched state, and the pressing cap is pressed downward, so that the movable rod drives the push plate to move downward, so that the sample inside the drill barrel can be pushed out, and the core can be taken out without knocking the drill barrel, etc., thus avoiding damage to the sample when knocking the drill barrel from the outside, ensuring the integrity of the sampled core, and facilitating subsequent accurate detection and analysis.

[0007] Preferably, two L-shaped support plates are fixedly connected to the base, and the top ends of the two L-shaped support plates are respectively installed with a second motor, the output end of the second motor is connected to a screw rod, and the bottom end of the screw rod is rotatably installed on the base, and a lifting plate is sleeved on the screw rod, and the two lifting plates are correspondingly fixedly connected to the two sides of the circular fixed plate. When sampling, the device needs to be moved to the sampling point first, and then the screw rod is rotated by the action of the second motor, and with the cooperation of the limit rod, the lifting plate drives the circular fixed plate to move downward stably, and then the drill barrel is also moved downward. When the drill barrel moves down to contact the ground, the first motor is used to make the rotating shaft drive the driving gear to rotate, and then the drill barrel is also rotated, so that the drill barrel drills into the underground rock layer, and the rock will enter the drill barrel with the cooperation of the drilling force generated, and finally the sampling mechanism is lifted, thereby completing the sampling operation.

[0008] Preferably, two limit rods are fixedly connected between the base and the top of the L-shaped support plate, and the two limit rods are respectively located on both sides of the screw rod, and fixed blocks are fixedly connected to both side walls of the lifting plate, and the limit rods pass through the fixed blocks. When the device is used, the lifting plate can be moved stably through the cooperation between the limit rods and the fixed blocks, thereby improving the stability of drill barrel sampling.

[0009] Preferably, two screw holes are provided on the base, and ground nails are rotatably assembled in the two screw holes. A rotating cap is fixed to the top of the ground nail. When the device is moved to the desired position, the ground nail is inserted into the ground soil layer, thereby further improving the overall stability of the device.

[0010] Preferably, four fixing seats are fixedly connected to the bottom of the base, and moving wheels are rotatably installed in each fixing seat. When the device is used, the moving wheels are provided to facilitate moving the device to a desired position.

[0011] Preferably, a through hole is provided on the base, and the through hole is arranged directly below the drill tube. When the device is used, the through hole is provided to facilitate downward movement of the drill tube for sampling.

[0012] The utility model is beneficial in that:

[0013] 1. After the sampling of the utility model is completed, the spring is in a stretched state, and the pressing cap is pressed downward, so that the movable rod drives the push plate to move downward, so that the sample inside the drill tube can be pushed out, and the core can be taken out without knocking the drill tube, etc., avoiding damage to the sample when knocking the drill tube from the outside, ensuring the integrity of the sampled core, and facilitating subsequent accurate detection and analysis;

[0014] 2. When the utility model is sampling, it is first necessary to move the device to the sampling point, and then the second motor is used to rotate the screw rod, and with the cooperation of the limit rod, the lifting plate drives the circular fixed plate and the drill barrel to move downward. When the drill barrel moves down to contact the ground, the first motor is used to drive the driven gear ring to rotate, and then the drill barrel is rotated accordingly, so that the drill barrel drills into the underground rock layer. The rock will enter the drill barrel with the cooperation of the drilling force generated, and finally the sampling mechanism is lifted to complete the sampling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the sampling device;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the drill barrel assembly;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the drill tube in cross section;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting mechanism;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the base from the side.

[0021] In the figure: 1. circular fixed plate; 2. casing; 3. rotating disk; 4. drill tube; 5. driven gear ring; 6. first motor; 7. rotating shaft; 8. driving gear; 9. movable rod; 10. push plate; 11. pressing cap; 12. spring; 13. base; 14. L-shaped support plate; 15. second motor; 16. screw rod; 17. lifting plate; 18. fixed block; 19. limit rod; 20. through hole; 21. ground nail; 22. rotating cap; 23. fixed seat; 24. moving wheel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 As shown, a rock and soil sample sampling device comprises a circular fixed plate 1; a sleeve 2 is fixedly connected to the bottom of the circular fixed plate 1, a rotating disk 3 is rotatably installed in the sleeve 2, a drill tube 4 is fixedly connected to the rotating disk 3, and a driven gear ring 5 is sleeved on the outer surface of the drill tube 4; a first motor 6 is installed on the circular fixed plate 1, and a rotating shaft 7 is connected to the output end of the first motor 6, and a driving gear 8 is sleeved on the bottom end of the rotating shaft 7, and the driving gear 8 and the driven gear ring 5 are meshed with each other; the circular fixed plate 1, the sleeve 2, the rotating disk 3 and the drill tube 4 are cooperated to open the same rod hole, and a movable rod 9 is inserted in the rod hole, and a push plate 10 is fixedly connected to the bottom end of the movable rod 9, and the push plate 10 is arranged in the drill tube 4, and a pressing cap 11 is fixedly connected to the top of the movable rod 9, and a spring 12 is fixedly connected between the pressing cap 11 and the drill tube 4, and the spring 12 is sleeved on the movable rod 9, and a through hole 20 is opened on the base 13, and the through hole 20 is set The drill tube 4 is placed directly below the drill tube 4; when sampling, the device needs to be moved to the sampling point first, and then the drill tube 4 is moved down to contact the ground through the lifting mechanism. The first motor 6 is used to drive the driving gear 8 to rotate, and then the driven gear ring 5 drives the drill tube 4 to rotate, so that the drill tube 4 drills into the underground rock layer. The rock will enter the drill tube 4 with the cooperation of the drilling force generated. Finally, the sampling mechanism is lifted to complete the sampling operation. After the sampling is completed, the spring 12 is in a stretched state, and the pressing cap 11 is pressed downward, so that the movable rod 9 drives the push plate 10 to move downward, so that the sample inside the drill tube 4 can be pushed out, and the core can be taken out without knocking the drill tube 4, etc., avoiding damage to the sample when knocking the drill tube 4 from the outside, ensuring the integrity of the sampled core, and facilitating subsequent accurate detection and analysis.

[0024] See also Figure 4 As shown, two L-shaped support plates 14 are fixedly connected to the base 13, and the top ends of the two L-shaped support plates 14 are respectively installed with second motors 15, the output end of the second motor 15 is connected with a screw rod 16, and the bottom end of the screw rod 16 is rotatably installed on the base 13, and a lifting plate 17 is sleeved on the screw rod 16, and the two lifting plates 17 are correspondingly fixedly connected to the two sides of the circular fixed plate 1; when sampling, the screw rod 16 is rotated by the action of the second motor 15, and with the cooperation of the limit rod 19, the lifting plate 17 drives the circular fixed plate 1 to move downward stably, and then the drill tube 4 is also moved downward, so that the drill tube 4 can be moved down or lifted as needed.

[0025] Two limit rods 19 are fixedly connected between the base 13 and the top of the L-shaped support plate 14, and the two limit rods 19 are respectively located on both sides of the screw rod 16. Fixed blocks 18 are fixedly connected to the two side walls of the lifting plate 17, and the limit rods 19 pass through the fixed blocks 18. When using the device, the lifting plate 17 can be stably moved through the cooperation of the limit rods 19 and the fixed blocks 18, thereby improving the stability of sampling of the drill tube 4.

[0026] See also Figure 5 As shown, the base 13 is provided with two screw holes, and ground nails 21 are rotatably assembled in the two screw holes, and a rotating cap 22 is fixed to the top of the ground nail 21, and four fixing seats 23 are fixed to the bottom of the base 13, and a moving wheel 24 is rotatably installed in each fixing seat 23; when the device is used, by setting the moving wheel 24, it is convenient to move the device to the desired position, and when the device is moved to the desired position, the ground nail 21 is inserted into the ground soil layer, thereby further improving the overall stability of the device.

[0027] Working principle: In the existing rock sample sampling device, after the drill tube 4 takes samples, due to the large friction between the drill tube 4 and the rock core, the drilled rock core is usually stuck in the drill tube 4, which is not convenient for taking out the rock and soil samples. The rock core needs to be taken out by knocking the drill tube 4, which is time-consuming and labor-intensive. It is also very easy to cause the rock core to break and break, destroying the integrity of the sampled rock core, thereby affecting the detection result. Therefore, a rock and soil sample sampling device is proposed to solve the above problems. When sampling, the device needs to be moved to the sampling point first, and then the second electric The motor 15 acts to rotate the screw 16, and with the cooperation of the limit rod 19, the lifting plate 17 drives the circular fixed plate 1 to move downward stably, and then the drill tube 4 also moves downward. When the drill tube 4 moves down to contact the ground, the first motor 6 acts to drive the driving gear 8 to rotate, and then the driven gear ring 5 drives the drill tube 4 to rotate, so that the drill tube 4 drills into the underground rock layer. The rock will enter the drill tube 4 under the cooperation of the drilling force generated, and finally the sampling mechanism is lifted, thereby completing the sampling operation;

[0028] After sampling is completed, the spring 12 is in a stretched state, pressing the pressing cap 11 downward, so that the movable rod 9 drives the push plate 10 to move downward, so that the sample inside the drill barrel 4 can be pushed out, and the core can be taken out without knocking the drill barrel 4, thereby avoiding damage to the sample when knocking the drill barrel 4 from the outside, ensuring the integrity of the sampled core, and facilitating subsequent accurate detection and analysis.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A rock and soil sample sampling device, characterized in that: The invention comprises a circular fixed plate (1); a sleeve (2) is fixedly connected to the bottom of the circular fixed plate (1); a rotating disk (3) is rotatably installed in the sleeve (2); a drill tube (4) is fixedly connected to the rotating disk (3); a driven gear ring (5) is sleeved on the outer surface of the drill tube (4); a first motor (6) is installed on the circular fixed plate (1); a rotating shaft (7) is connected to the output end of the first motor (6); a driving gear (8) is sleeved on the bottom end of the rotating shaft (7); the driving gear (8) and the driven gear ring (5) are meshed with each other; the circular fixed plate (1), a sleeve (2), a rotating disk (3) and a drill tube (4) are cooperated to form a same rod hole, a movable rod (9) is inserted in the rod hole, a push plate (10) is fixedly connected to the bottom end of the movable rod (9), and the push plate (10) is arranged in the drill tube (4), a pressing cap (11) is fixedly connected to the top end of the movable rod (9), a spring (12) is fixedly connected between the pressing cap (11) and the drill tube (4), and the spring (12) is sleeved on the movable rod (9), and a through hole (20) is formed on the base (13), and the through hole (20) is arranged directly below the drill tube (4).

2. A rock and soil sample sampling device according to claim 1, characterized in that: Two L-shaped support plates (14) are fixedly connected to the base (13), and a second motor (15) is installed at the top of each of the two L-shaped support plates (14). The output end of the second motor (15) is connected to a screw rod (16), and the bottom end of the screw rod (16) is rotatably mounted on the base (13). A lifting plate (17) is sleeved on the screw rod (16), and the two lifting plates (17) are fixedly connected to the two sides of the circular fixed plate (1) respectively.

3. A rock and soil sample sampling device according to claim 2, characterized in that: Two limiting rods (19) are fixedly connected between the base (13) and the top of the L-shaped support plate (14), and the two limiting rods (19) are respectively located on both sides of the screw rod (16).

4. A rock and soil sample sampling device according to claim 2, characterized in that: Fixed blocks (18) are fixedly connected to both side walls of the lifting plate (17), and a limiting rod (19) is arranged through the fixed blocks (18).

5. A rock and soil sample sampling device according to claim 2, characterized in that: The base (13) is provided with two screw holes, and ground nails (21) are rotatably mounted in the two screw holes. A rotating cap (22) is fixedly connected to the top of the ground nail (21).

6. A rock and soil sample sampling device according to claim 2, characterized in that: Four fixing seats (23) are fixedly connected to the bottom of the base (13), and a moving wheel (24) is rotatably mounted in each fixing seat (23).

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