Foundation topsoil detecting and sampling device

Abstract

The utility model discloses a foundation topsoil detecting and sampling device, which comprises a base, a threaded pipe and a screw, a nut is fixedly arranged at the top of the base, the threaded pipe penetrates through the nut in a matched manner and penetrates through the base in a sliding manner, the threaded pipe is provided with an up-down through channel, and an internal thread section is arranged at the top of the channel; the screw rod is inserted into the inner threaded section in a matched mode, the screw rod and the threaded pipe are further fixedly connected through a locking mechanism, a connecting rod is fixedly arranged at the bottom of the screw rod, a spiral blade is wound around the connecting rod, a drill cone is fixedly arranged at the bottom of the connecting rod, and the drill cone abuts against the side wall of the channel in a sliding mode. By means of the arrangement, sampling personnel can conveniently take out a soil sample from the threaded pipe, meanwhile, in the process that the soil sample is moved out of the threaded pipe, the drilling cone blocks the channel opening, the soil sample can be prevented from falling off from the channel in the extraction process, and the integrity of the soil sample is guaranteed.

Description

Technical Field

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

[0002] Before foundation construction, it is necessary to sample the surface soil of the foundation. Soil sampling can be used to understand the physical and mechanical properties of the soil, and to determine the soil type and distribution of the foundation to avoid problems such as foundation instability during the design and use of the building. During the soil sampling process, soil samples need to be taken at different depths according to the sampling requirements.

[0003] A Chinese patent with publication number CN220153940U discloses a sediment sampler based on soil and water conservation monitoring. The solution includes a base and a threaded tube. A nut is fixedly arranged on the top of the base. A drill bit tube is fixed on the bottom of the threaded tube. A cone head is slidably connected inside the drill bit tube. The nut is cooperatively connected to the threaded tube. The above solution utilizes the rotating threaded tube to lower the drill bit tube to a specified depth, and moves the cone head upward so that the cone head moves into the drill bit tube, and then lowers the drill bit tube to pour soil into the drill bit tube, thereby achieving the purpose of sampling at a specified depth.

[0004] Before testing, the collected soil samples need to be transferred to a specific component for storage. When taking samples in the above scheme, the cone head needs to be moved up into the drill tube. After the soil is poured into the drill tube and the drill tube is pulled out, it is difficult to take the soil sample out of the drill tube due to the obstruction of the cone head, which easily leads to the problem of inconvenience in extraction after collecting the sample. Utility Model Content

[0005] The utility model aims to provide a foundation surface soil detection sampling device to solve the problem of inconvenience in extracting samples after they are collected in the above-mentioned solution.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A foundation surface soil detection sampling device comprises a base, a threaded tube and a screw rod, a nut is fixedly arranged on the top of the base, the threaded tube is cooperatively penetrated by the nut and slidably penetrated by the base, the threaded tube has a channel running through from top to bottom, and an internal thread section is arranged on the top of the channel, the screw rod is cooperatively inserted in the internal thread section, the screw rod and the threaded tube are also fixedly connected by a locking mechanism, a connecting rod is fixedly arranged on the bottom of the screw rod, a spiral blade is wound around the outside of the connecting rod, a drill bit is fixedly arranged on the bottom of the connecting rod, and the drill bit is slidably abutted against the side wall of the channel.

[0008] The principle and effect of this technical solution:

[0009] In the initial state, the screw is inserted into the internal thread section, the threaded tube is cooperated with and penetrated into the nut, and the locking mechanism is in a closed state. The screw and the threaded tube are relatively fixed. At this time, the top of the drill bit is located in the channel and abuts against the channel. When sampling, the base is placed on the ground, the threaded tube is rotated, and the drill bit is penetrated into the soil layer at a specified depth. The locking mechanism is loosened and the screw is rotated to move the drill bit downward and out of the channel. The locking mechanism is then closed, and the threaded tube is continued to be rotated to allow soil to be poured into the channel. After the sampling work is completed, the locking mechanism is loosened and the screw is rotated in the opposite direction until the top of the drill bit moves into the channel, the locking mechanism is closed, and the threaded tube is rotated in the opposite direction to pull it out of the ground. After loosening the locking mechanism, the screw is rotated to disengage it from the internal thread section, and the connecting rod is pulled out. The spiral blades and the drill bit push the sample out of the threaded tube.

[0010] Through the above arrangement, it is convenient for sampling personnel to take out soil samples from the threaded tube, which solves the problem of being inconvenient to extract after collecting samples in the above scheme. At the same time, in the process of moving the threaded tube outward, the drill bit blocks the channel opening, which can prevent the soil sample from falling out of the channel during the extraction process, thereby ensuring the integrity of the soil sample.

[0011] In the utility model, the locking mechanism includes two first through holes arranged horizontally and vertically spaced on the side wall of the screw, a second through hole arranged on the top of the side wall of the threaded tube and located in the internal thread section, and a first fastening bolt passing through the first through hole and the second through hole.

[0012] In the utility model, guide rods are fixedly provided on the top of the base on both sides of the nut, a mounting plate is provided on the outside of the two guide rods for common sliding sleeve, a rod sleeve that passes through the top of the mounting plate and is rotatable just above the nut is passed through, the threaded tube is passed through the rod sleeve and fixedly connected to the rod sleeve, a gear ring is provided on the outside of the rod sleeve, a motor is fixedly provided on the mounting plate, a gear is provided on the fixed sleeve of the output shaft of the motor, and the gear is meshed with the gear ring.

[0013] In the utility model, the threaded tube side wall fixing sleeve is provided with a connecting plate, a second fastening bolt is slidably passed through the top of the connecting plate, and the bottom of the second fastening bolt is inserted in the rod sleeve in a matching manner.

[0014] The principle and effect of this technical solution:

[0015] In the initial state, the threaded tube is passed through the rod sleeve, and the connecting plate is abutted against the rod sleeve, the second fastening bolt is passed through the connecting plate and inserted into the rod sleeve, the first fastening bolt is passed through the second through hole and the first through hole located below. At this time, the top of the drill bit is located in the channel and abuts against the side wall of the channel. After the drill bit is penetrated into the soil layer at a specified depth, the first fastening bolt is loosened and the threaded tube is rotated to align the second through hole with the first through hole located above. At this time, the drill bit is out of the channel.

[0016] Through the above arrangement, the drill bit is separated from the channel at a specified depth, and the screw rod and the spiral blade are rotated along with the threaded tube, thereby achieving the purpose of sampling at a specified depth.

[0017] In the utility model, the inner diameter of the internal thread section is larger than the inner diameter of the channel. Through the above arrangement, after taking the sample and pulling out the threaded tube, the drill bit can push the sample out of the internal thread section, thereby achieving the purpose of conveniently extracting the collected sample.

[0018] In the utility model, a handle is fixedly arranged on the top of the side wall of the screw rod in the transverse direction. Through the above arrangement, it is convenient for the sampling personnel to rotate the screw rod, thereby improving the work efficiency.

[0019] In the utility model, a drill rod is slidably penetrated on the top of the base at the side where the two guide rods are away from each other. Through the above arrangement, it is convenient for the sampling personnel to fix the base, and the stability of the utility model during operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the axonometric drawing of the overall structure of the utility model;

[0021] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 This is a front sectional view of the utility model in use;

[0023] Figure 4 This is a front cross-sectional view of the second use state of the utility model;

[0024] Figure 5 for Figure 4 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and implementation examples:

[0026] The figure marks in the drawings of the specification include: 10, base; 11, nut; 12, guide rod; 13, drill rod; 20, threaded tube; 21, channel; 22, internal thread section; 23, connecting plate; 30, screw rod; 31, connecting rod; 32, spiral blade; 33, drill cone; 34, handle; 41, first through hole; 42, second through hole; 43, first fastening bolt; 44, second fastening bolt; 50, mounting plate; 51, rod sleeve; 52, gear ring; 53, motor; 54, gear.

[0027] Example:

[0028] As attached Figure 1-5As shown, the utility model discloses a foundation surface soil detection sampling device, including a base 10, a threaded tube 20 and a screw 30, a nut 11 is fixedly provided on the top of the base 10, the threaded tube 20 is cooperated with and penetrated through the nut 11 and slidably penetrated through the base 10, the threaded tube 20 has a channel 21 that passes through from top to bottom, and an internal thread section 22 is provided on the top of the channel 21, the screw 30 is cooperated with and inserted into the internal thread section 22, the screw 30 and the threaded tube 20 are also fixedly connected by a locking mechanism, a connecting rod 31 is fixedly provided at the bottom of the screw 30, a spiral blade 32 is provided around the outer surface of the connecting rod 31, a drill bit 33 is fixedly provided at the bottom of the connecting rod 31, and the drill bit 33 is slidably abutted against the side wall of the channel 21.

[0029] In this embodiment, the locking mechanism includes two first through holes 41 arranged horizontally and vertically spaced on the side wall of the screw rod 30, a second through hole 42 arranged at the top of the side wall of the threaded tube 20 and located in the internal thread section 22, and a first fastening bolt 43 passing through the first through hole 41 and the second through hole 42.

[0030] In this embodiment, guide rods 12 are fixedly provided on the top of the base 10 on both sides of the nut 11, and a mounting plate 50 is slidably sleeved on the outside of the two guide rods 12. A rod sleeve 51 that passes through the top of the mounting plate 50 is rotatably passed just above the nut 11. The threaded tube 20 is passed through the rod sleeve 51 and fixedly connected to the rod sleeve 51. A gear ring 52 is fixedly sleeved outside the rod sleeve 51. A motor 53 is fixedly provided on the mounting plate 50. A gear 54 is fixedly sleeved on the output shaft of the motor 53, and the gear 54 is meshed with the gear ring 52.

[0031] In this embodiment, a connecting plate 23 is fixedly sleeved on the side wall of the threaded tube 20 , a second fastening bolt 44 is slidably penetrated through the top of the connecting plate 23 , and the bottom of the second fastening bolt 44 is fitted and inserted into the rod sleeve 51 .

[0032] In this embodiment, the inner diameter of the internal thread section 22 is greater than the inner diameter of the channel 21 .

[0033] In this embodiment, a handle 34 is fixedly provided on the top of the side wall of the screw rod 30 in the transverse direction.

[0034] In this embodiment, a drill rod 13 is slidably inserted into the top of the base 10 at a side away from the two guide rods 12 .

[0035] The specific implementation process is as follows:

[0036] In the initial state, the screw rod 30 is inserted into the internal threaded section 22, the threaded tube 20 is cooperated with and penetrated into the nut 11, and the locking mechanism is in a closed state. The screw rod 30 and the threaded tube 20 are relatively fixed. At this time, the top of the drill bit 33 is located in the channel 21 and abuts against the channel 21. When sampling, the base 10 is placed on the ground, the threaded tube 20 is rotated, and the drill bit 33 is penetrated into the soil layer at a specified depth. The locking mechanism is loosened and the screw rod 30 is rotated to make the drill bit 33 move downward and disengage from the channel 21. Then the locking mechanism is closed, and the threaded tube 20 is continued to be rotated to allow the soil to be poured into the channel 21. After the sampling work is completed, the locking mechanism is loosened and the screw rod 30 is rotated in the opposite direction until the top of the drill bit 33 is displaced into the channel 21, the locking mechanism is closed, and the threaded tube 20 is rotated in the opposite direction to pull it out of the ground. After loosening the locking mechanism, the screw rod 30 is rotated to disengage it from the internal threaded section 22, and the connecting rod 31 is pulled outward. The spiral blades 32 and the drill bit 33 push the sample out of the threaded tube 20.

[0037] In the initial state, the threaded tube 20 is passed through the rod sleeve 51, and the connecting plate 23 is abutted against the rod sleeve 51, the second fastening bolt 44 is passed through the connecting plate 23 and inserted into the rod sleeve 51, and the first fastening bolt 43 is passed through the second through hole 42 and the first through hole 41 located below. At this time, the top of the drill bit 33 is located in the channel 21 and abuts against the side wall of the channel 21. After the drill bit 33 is penetrated into the soil layer to a specified depth, the first fastening bolt 43 is loosened and the threaded tube 20 is rotated to align the second through hole 42 with the first through hole 41 located above. At this time, the drill bit 33 is separated from the channel 21.

[0038] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical scheme or characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the technical scheme of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A foundation surface soil detection sampling device, characterized in that: include: A base, a top of which is fixedly provided with a nut; A threaded tube, the threaded tube is cooperatively arranged on the nut and slidably arranged on the base, the threaded tube has a channel running through from top to bottom, and an internal thread section is arranged on the top of the channel; The screw is inserted into the internal thread section, and the screw and the threaded tube are fixedly connected by a locking mechanism. A connecting rod is fixedly arranged at the bottom of the screw, and spiral blades are wound around the outside of the connecting rod. A drill cone is fixedly arranged at the bottom of the connecting rod, and the drill cone is in sliding contact with the side wall of the channel.

2. The ground surface soil detection sampling device according to claim 1, characterized in that: The locking mechanism includes two first through holes arranged transversely and spaced vertically on the side wall of the screw, a second through hole arranged on the top of the side wall of the threaded tube and located in the internal thread section, and a first fastening bolt passing through the first through hole and the second through hole.

3. The ground surface soil detection sampling device according to claim 2, characterized in that: Guide rods are fixedly provided on the top of the base on both sides of the nut, and a mounting plate is slidingly sleeved outside the two guide rods. A rod sleeve that passes through the top of the mounting plate and is rotatable just above the nut is passed through the rod sleeve and fixedly connected to the rod sleeve. A gear ring is fixedly provided outside the rod sleeve, and a motor is fixedly provided on the mounting plate. A gear is fixedly provided on the output shaft of the motor, and the gear is meshed with the gear ring.

4. The ground surface soil detection sampling device according to claim 3, characterized in that: The threaded tube side wall fixing sleeve is provided with a connecting plate, a second fastening bolt is slidably passed through the top of the connecting plate, and the bottom of the second fastening bolt is inserted in the rod sleeve in a matching manner.

5. The ground surface soil detection sampling device according to claim 4, characterized in that: The inner diameter of the internal thread section is greater than the inner diameter of the channel.

6. The ground surface soil detection sampling device according to claim 4, characterized in that: A handle is fixedly arranged on the top of the side wall of the screw rod in the transverse direction.

7. The ground surface soil detection sampling device according to claim 4, characterized in that: A drill rod is slidably penetrated respectively on the top of the base at one side of the two guide rods away from each other.

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