Soil layer sampling device for foundation engineering

Abstract

The utility model discloses a soil layer sampling device for foundation engineering, belongs to the technical field of soil layer sampling, and aims to solve the problems that in the prior art, a sampling barrel is large in downward moving resistance, and soil at the position needing to be surveyed is not easy to accurately sample, the soil layer sampling device comprises two bottom plates, and two bent connecting rods are fixed to the sides, close to each other, of the two bottom plates; a U-shaped supporting frame is fixed to the tops of the two bottom plates. Through the arrangement of the first driving motor, the limiting rod, the limiting sliding groove, the cylindrical base and other structures, the function that the cylindrical base moves downwards is achieved, meanwhile, through the arrangement of a second driving motor and a drill bit, the cylindrical base can move downwards conveniently, the downward moving resistance is reduced, through the arrangement of a moving plate and a spring, soil of different depths is prevented from entering the cylindrical base, and the working efficiency is improved. Through the arrangement of the electric push rod and the triangular bucket, the effect that the triangular bucket moves out and collects the depth where the triangular bucket is located is achieved, the collection range is narrowed, and therefore the influence of soil of other depths is reduced, and the soil collection accuracy is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of soil layer sampling, and in particular relates to a soil layer sampling device for foundation engineering. Background Art

[0002] The foundation refers to the part of the soil that bears the influence of the superstructure load. The soil layers of the foundation are divided into rock, gravel, sand, silt, clay and artificial fill. It plays a very important role in ensuring the solidity and durability of the building. In order to survey the soil composition of the foundation, people often use soil sampling.

[0003] In the prior art, a soil sampling device is used to sample the foundation location to be surveyed. However, when many soil sampling devices are in use, the sampling tube on the sampling device encounters great resistance when moving downward in the soil, making the sampling work more time-consuming and labor-intensive. At the same time, the sampling tube is not easy to accurately sample the soil at the desired survey location, affecting the subsequent soil detection efficiency.

[0004] Therefore, a soil sampling device for foundation engineering is needed to solve the problem in the prior art that the downward resistance of the sampling tube is large and it is difficult to accurately sample the soil at the required survey location. Utility Model Content

[0005] The purpose of the utility model is to provide a soil layer sampling device for foundation engineering to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil layer sampling device for foundation engineering, comprising two bottom plates, two bent connecting rods are fixed on one side of the two bottom plates close to each other, a U-shaped support frame is fixed on the top of the two bottom plates, a first drive motor is fixedly installed in the middle of the top of the U-shaped support frame, a threaded rod is rotatably connected to the inner top wall of the U-shaped support frame, the output shaft of the first drive motor is fixed to the top of the threaded rod, a threaded sleeve is threadedly sleeved on the surface of the threaded rod, two limiting rods are symmetrically fixed on the surface of the threaded sleeve, limiting grooves are provided on the corresponding limiting rods on both sides of the inner wall of the U-shaped support frame, the limiting rod and the inner wall of the limiting groove are slidably connected, a columnar seat is provided at the bottom end of the threaded sleeve, a drill bit is rotatably connected to the bottom of the columnar seat, a first mounting groove and a second mounting groove are respectively provided inside the columnar seat, a second drive motor is fixedly installed on the inner bottom wall of the second mounting groove of the columnar seat, the output shaft of the second drive motor is fixed to the drill bit, and a sampling mechanism is provided inside the first mounting groove.

[0007] It should be noted in the scheme that the sampling mechanism includes an electric push rod fixedly mounted on one side of the inner wall of the first mounting groove, a triangular bucket is fixed to the telescopic end of the electric push rod, a rectangular through hole is opened on the surface of the cylindrical seat corresponding to the first mounting groove, a movable groove is opened on the inner top wall of the rectangular through hole, a movable plate is slidably connected to the inner wall of the movable groove of the cylindrical seat corresponding to the rectangular through hole, a spring is fixed on the top of the movable plate, the top of the spring is fixed to the inner top wall of the movable groove, and a triangular notch is opened on one side of the bottom of the movable plate corresponding to the triangular bucket.

[0008] It is further worth noting that the inner wall of the movable groove is symmetrically provided with slots, and the movable plate is symmetrically fixed with limit blocks on both sides, and the limit blocks are slidably connected to the inner wall of the slot.

[0009] It should be further explained that an arc-shaped through hole is provided on the surface of the columnar seat corresponding to the second installation groove, an inspection door is slidably connected to the inner wall of the arc-shaped through hole of the columnar seat, and a buckle groove is provided on the surface of the inspection door.

[0010] As a preferred embodiment, a conical seat is fixed to the top of the cylindrical seat, and the top of the conical seat is fixed to the bottom end of the threaded sleeve.

[0011] As a preferred embodiment, two support blocks are symmetrically fixed to the upper end of the surface of the threaded sleeve, and the top ends of the two support blocks are fixed to the bottom end of the limiting rod.

[0012] As a preferred embodiment, mounting holes are provided on both sides of the top of the base plate, wheels are rotatably connected to the inner walls of the mounting holes of the base plate, and a grip ring is obliquely fixed to one side of one of the curved connecting rods.

[0013] Compared with the prior art, the soil layer sampling device for foundation engineering provided by the utility model has at least the following beneficial effects:

[0014] (1) The function of moving the column seat downward is realized by setting the first drive motor, threaded rod, threaded sleeve, limit rod, limit slide groove and column seat. At the same time, the second drive motor and drill bit are set to facilitate the downward movement of the column seat and reduce the resistance of the downward movement. The moving plate and spring are set to prevent soil of different depths from entering the column seat. The electric push rod and triangular bucket are set to achieve the effect of moving the triangular bucket out and collecting the soil at the depth. The triangular bucket narrows the collection range, thereby reducing the influence of soil at other depths and improving the accuracy of soil collection.

[0015] (2) By opening the inspection door, regular inspection of the second drive motor in the second installation slot is facilitated. The conical seat reduces the resistance between the cylindrical seat and the soil when it moves upward, thereby reducing the output of electrical energy. The support block is used to reinforce the limit rod and the threaded sleeve, thereby improving the stability of the limit rod when it moves. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the cylindrical seat of the utility model;

[0019] Figure 4 for Figure 3 Enlarged structural diagram of point A in the middle.

[0020] In the figure: 1. base plate; 2. U-shaped support frame; 3. limit rod; 4. support block; 5. threaded rod; 6. first drive motor; 7. limit slide groove; 8. threaded sleeve; 9. wheel; 10. bent connecting rod; 11. grip ring; 12. conical seat; 13. cylindrical seat; 14. drill bit; 15. movable plate; 16. inspection door; 17. buckle groove; 18. first mounting groove; 19. electric push rod; 20. second mounting groove; 21. second drive motor; 22. triangular bucket; 23. limit block; 24. spring; 25. movable groove; 26. card slot. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] See also Figure 1-4The utility model provides a soil layer sampling device for foundation engineering, comprising two bottom plates 1, two bent connecting rods 10 are fixed on one side of the two bottom plates 1 close to each other, a U-shaped support frame 2 is fixed on the top of the two bottom plates 1, a first driving motor 6 is fixedly installed in the middle of the top of the U-shaped support frame 2, a threaded rod 5 is rotatably connected to the inner top wall of the U-shaped support frame 2, the output shaft of the first driving motor 6 and the top of the threaded rod 5 are fixed, a threaded sleeve 8 is threadedly sleeved on the surface of the threaded rod 5, two limiting rods 3 are symmetrically fixed on the surface of the threaded sleeve 8, limiting grooves 7 are provided on both sides of the inner wall of the U-shaped support frame 2 corresponding to the limiting rods 3, the limiting rod 3 and the inner wall of the limiting groove 7 are slidably connected, and the threaded sleeve 8 A cylindrical seat 13 is provided at the bottom end, and a drill bit 14 is rotatably connected to the bottom of the cylindrical seat 13. A first mounting groove 18 and a second mounting groove 20 are respectively provided inside the cylindrical seat 13. A second drive motor 21 is fixedly installed on the inner bottom wall of the second mounting groove 20 of the cylindrical seat 13. The output shaft of the second drive motor 21 and the drill bit 14 are fixed. The threaded rod 5 is driven to rotate by the first drive motor 6, so that the threaded sleeve 8 moves downward under the limitation of the limiting rod 3 and the limiting slide groove 7, thereby driving the cylindrical seat 13 to move downward. At the same time, the second drive motor 21 drives the drill bit 14 to rotate, thereby facilitating the downward movement of the cylindrical seat 13 and reducing the downward resistance; a sampling mechanism is provided inside the first mounting groove 18.

[0023] Further as Figure 2 , Figure 3 and Figure 4As shown, it is worth specifically explaining that the sampling mechanism includes an electric push rod 19 fixedly mounted on one side of the inner wall of the first mounting groove 18, a triangular bucket 22 is fixed to the telescopic end of the electric push rod 19, a rectangular through hole is opened on the surface of the columnar seat 13 corresponding to the first mounting groove 18, a moving groove 25 is opened on the inner top wall of the rectangular through hole, a moving plate 15 is slidably connected to the inner wall of the moving groove 25 of the columnar seat 13 corresponding to the rectangular through hole, a spring 24 is fixed on the top of the moving plate 15, the top of the spring 24 is fixed to the inner top wall of the moving groove 25, and under the elastic force of the spring 24, the moving plate 15 is pushed downward to close the rectangular through hole, so as to prevent soil of different depths from entering the first mounting groove 18 when the columnar seat 13 moves in the soil, thereby affecting the accuracy of subsequent soil detection. After the column seat 13 moves down to the desired survey position, the electric push rod 19 pushes the triangular bucket 22 to move, and the triangular bucket 22 squeezes the movable plate 15, so that the movable plate 15 moves up and opens, and the triangular bucket 22 moves out partly to collect the soil at the location, and the collected soil remains inside the triangular bucket 22, and then the electric push rod 19 retracts and puts the triangular bucket 22 into the first mounting groove 18, and at the same time, under the elastic force of the spring 24, the movable plate 15 is pushed down to the rectangular through hole to close, thereby completing the soil sampling work; a triangular notch is opened on one side of the bottom of the movable plate 15 corresponding to the triangular bucket 22, and the triangular notch matches one side of the triangular bucket 22, so that the triangular bucket 22 can squeeze the movable plate 15 to achieve the effect of moving the movable plate 15 upward.

[0024] Further as Figure 4 As shown, it is worth explaining in detail that the inner walls of the movable groove 25 are symmetrically provided with slots 26, and the limiting blocks 23 are symmetrically fixed on both sides of the movable plate 15. The limiting blocks 23 and the inner walls of the slots 26 are slidably connected. When the movable plate 15 moves up and down, it drives the limiting blocks 23 to slide in the slots 26, thereby improving the stability of the movable plate 15.

[0025] This solution has the following working process: the sampling barrel on the sampling device has a large resistance when moving downward in the soil, which makes the sampling work more time-consuming and labor-intensive. At the same time, the sampling barrel is not easy to accurately sample the soil at the required survey position, affecting the subsequent soil detection efficiency. The first driving motor 6 drives the threaded rod 5 to rotate, so that the threaded sleeve 8 moves downward under the limit of the limit rod 3 and the limit slide groove 7, thereby driving the column seat 13 to move downward. At the same time, the second driving motor 21 drives the drill bit 14 to rotate, thereby facilitating the downward movement of the column seat 13 and reducing the downward resistance. During the downward movement, the moving plate 15 moves downward under the elastic force of the spring 24, so that the rectangular through hole is closed to avoid When the column-free seat 13 moves in the soil, soil of different depths enters the first mounting groove 18, thereby affecting the accuracy of subsequent soil detection. After the column-free seat 13 moves down to the desired survey position, the electric push rod 19 pushes the triangular bucket 22 to move, and the triangular bucket 22 squeezes the movable plate 15, so that the movable plate 15 moves up and opens, and the triangular bucket 22 moves out part to collect the soil at the location, and the collected soil remains in the inside of the triangular bucket 22, and then the electric push rod 19 retracts and puts the triangular bucket 22 into the first mounting groove 18. At the same time, under the elastic force of the spring 24, the movable plate 15 is pushed down to close the rectangular through hole, thereby completing the soil sampling work.

[0026] According to the above working process, it can be known that: through the arrangement of the first drive motor 6, the threaded rod 5, the threaded sleeve 8, the limit rod 3, the limit slide groove 7 and the columnar seat 13 and other structures, the function of moving the columnar seat 13 downward is realized. At the same time, the arrangement of the second drive motor 21 and the drill bit 14 facilitates the downward movement of the columnar seat 13 and reduces the resistance to the downward movement. Through the arrangement of the moving plate 15 and the spring 24, the soil of different depths is prevented from entering the columnar seat 13. Through the arrangement of the electric push rod 19 and the triangular bucket 22, the effect of moving the triangular bucket 22 out and collecting at the depth is achieved, wherein the triangular bucket 22 narrows the range of collection, thereby reducing the influence of soil at other depths and improving the accuracy of soil collection.

[0027] Further as Figure 3 As shown, it is worth explaining in detail that an arc-shaped through hole is provided on the surface of the cylindrical seat 13 corresponding to the second mounting groove 20, and an inspection door 16 is slidably connected to the inner wall of the arc-shaped through hole of the cylindrical seat 13. By opening the inspection door 16, regular inspection of the second drive motor 21 in the second mounting groove 20 is convenient; a buckle groove 17 is provided on the surface of the inspection door 16, and the buckle groove 17 facilitates the opening of the inspection door 16; a conical seat 12 is fixed to the top of the cylindrical seat 13, and the top of the conical seat 12 is fixed to the bottom end of the threaded sleeve 8, and the conical seat 12 reduces the resistance between the cylindrical seat 13 and the soil when it moves upward.

[0028] Further as Figure 1As shown, it is worth explaining in detail that two support blocks 4 are symmetrically fixed on the upper surface of the threaded sleeve 8, and the top ends of the two support blocks 4 are fixed to the bottom of the limiting rod 3. The limiting rod 3 and the threaded sleeve 8 are reinforced by the support blocks 4, thereby improving the stability of the limiting rod 3 when moving; mounting holes are provided on both sides of the top of the base plate 1, and the inner walls of the mounting holes of the base plate 1 are rotatably connected with wheels 9. The wheels 9 facilitate the movement of the base plate 1 and provide convenience for the movement of the device; a grip ring 11 is obliquely fixed on one side of a bent connecting rod 10, and the grip ring 11 facilitates the pulling of the device as a whole to move under the drive of the wheel 9.

[0029] In summary: through the arrangement of the first drive motor 6, the threaded rod 5, the threaded sleeve 8, the limit rod 3, the limit slide groove 7 and the cylindrical seat 13 and other structures, the function of moving the cylindrical seat 13 downward is realized. At the same time, the arrangement of the second drive motor 21 and the drill bit 14 facilitates the downward movement of the cylindrical seat 13 and reduces the resistance to the downward movement. Through the arrangement of the moving plate 15 and the spring 24, it is prevented that soil of different depths enters the cylindrical seat 13. Through the arrangement of the electric push rod 19 and the triangular bucket 22, the triangular bucket 22 is moved out and the effect of collecting at the depth is achieved, wherein the triangular bucket 22 narrows the collection range, thereby reducing the influence of soil at other depths and improving the accuracy of soil collection. By opening the inspection door 16, it is convenient to perform regular maintenance work on the second drive motor 21 in the second mounting groove 20. The conical seat 12 reduces the resistance between the cylindrical seat 13 and the soil when it moves upward, reduces the output of electric energy, and the support block 4 is used to reinforce the space between the limit rod 3 and the threaded sleeve 8, thereby improving the stability of the limit rod 3 when it moves.

[0030] The first drive motor 6, the electric push rod 19 and the second drive motor 21 can be purchased on the market. The first drive motor 6, the electric push rod 19 and the second drive motor 21 are equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so they are not repeated in the specification.

Claims

1. A soil layer sampling device for foundation engineering, comprising two bottom plates (1), characterized in that: Two bent connecting rods (10) are fixed on one side of the two bottom plates (1) close to each other, a U-shaped support frame (2) is fixed on the top of the two bottom plates (1), a first drive motor (6) is fixedly installed in the middle of the top of the U-shaped support frame (2), a threaded rod (5) is rotatably connected to the inner top wall of the U-shaped support frame (2), an output shaft of the first drive motor (6) and the top of the threaded rod (5) are fixed, a threaded sleeve (8) is threadedly sleeved on the surface of the threaded rod (5), two limit rods (3) are symmetrically fixed on the surface of the threaded sleeve (8), and the corresponding limit rods (3) on both sides of the inner wall of the U-shaped support frame (2) are connected to the threaded sleeve (8). 3) are provided with a limit slide groove (7), the limit rod (3) and the inner wall of the limit slide groove (7) are slidably connected, the bottom end of the threaded sleeve (8) is provided with a cylindrical seat (13), the bottom of the cylindrical seat (13) is rotatably connected with a drill bit (14), the inside of the cylindrical seat (13) is respectively provided with a first mounting groove (18) and a second mounting groove (20), the inner bottom wall of the second mounting groove (20) of the cylindrical seat (13) is fixedly installed with a second drive motor (21), the output shaft of the second drive motor (21) is fixed to the drill bit (14), and the inside of the first mounting groove (18) is provided with a sampling mechanism.

2. A soil layer sampling device for foundation engineering according to claim 1, characterized in that: The sampling mechanism comprises an electric push rod (19) fixedly mounted on one side of the inner wall of the first mounting groove (18), a triangular bucket (22) being fixed to the telescopic end of the electric push rod (19), a rectangular through hole being provided on the surface of the columnar seat (13) corresponding to the first mounting groove (18), a movable groove (25) being provided on the inner top wall of the rectangular through hole, a movable plate (15) being slidably connected to the inner wall of the movable groove (25) of the columnar seat (13) corresponding to the rectangular through hole, a spring (24) being fixed on the top of the movable plate (15), the top end of the spring (24) being fixed to the inner top wall of the movable groove (25), and a triangular notch being provided on one side of the bottom of the movable plate (15) corresponding to the triangular bucket (22).

3. A soil layer sampling device for foundation engineering according to claim 2, characterized in that: The inner wall of the movable groove (25) is symmetrically provided with clamping grooves (26), and the two sides of the movable plate (15) are symmetrically fixed with limiting blocks (23), and the limiting blocks (23) are slidably connected to the inner wall of the clamping groove (26).

4. A soil layer sampling device for foundation engineering according to claim 1, characterized in that: An arc-shaped through hole is provided on the surface of the columnar seat (13) corresponding to the second mounting groove (20), an inspection door (16) is slidably connected to the inner wall of the arc-shaped through hole of the columnar seat (13), and a buckle groove (17) is provided on the surface of the inspection door (16).

5. The soil sampling device for foundation engineering according to claim 1, characterized in that: A conical seat (12) is fixed to the top of the cylindrical seat (13), and the top of the conical seat (12) is fixed to the bottom end of the threaded sleeve (8).

6. A soil layer sampling device for foundation engineering according to claim 1, characterized in that: Two support blocks (4) are symmetrically fixed on the upper surface of the threaded sleeve (8), and the top ends of the two support blocks (4) are fixed to the bottom end of the limiting rod (3).

7. The soil layer sampling device for foundation engineering according to claim 1, characterized in that: Both sides of the top of the bottom plate (1) are provided with mounting holes, the inner wall of the mounting hole of the bottom plate (1) is rotatably connected to a wheel (9), and a grip ring (11) is obliquely fixed to one side of one of the curved connecting rods (10).

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