Soil sampling device for hydrogeological survey

Abstract

The utility model discloses a soil sampling device for hydrogeological survey, which belongs to the technical field of geological survey and comprises a bearing seat and an ejection piece, a circular groove is arranged at the bottom of the bearing seat, a drilling rod is matched in the circular groove, and an electric hydraulic cylinder is arranged at the top of the bearing seat. The output end of the electric hydraulic cylinder penetrates through the top of the bearing seat into the circular groove, the output end of the electric hydraulic cylinder is connected with the top end of the drilling rod, five sampling grooves are formed in the surface of the bottom end of the drilling rod, and a soil breaking cone is arranged at the bottom end of the drilling rod. A plurality of soil samples can be drilled at the same time at a time, and the problem that only one soil sample can be drilled at a time is solved.

Description

Technical Field

[0001] This utility model relates to the field of geological exploration technology, specifically a soil sampling device for hydrogeological exploration. Background Technology

[0002] Hydrogeological exploration is a discipline that studies the interaction between groundwater and the geological environment. It aims to understand the formation, distribution and movement patterns of groundwater and surface water, and to provide a basis for the rational exploitation and utilization of water resources and the correct design and construction of foundation and piling projects. In order to accurately grasp geological information, it is necessary to use sampling devices to obtain soil samples during the hydrogeological exploration process.

[0003] However, existing soil sampling devices can usually only drill one soil sample at a time when conducting soil sampling work in the survey area, which is inconvenient. When drilling multiple soil samples, the operation is time-consuming and laborious, with poor applicability and low soil sampling efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a soil sampling device for hydrogeological exploration. Through the structural design of the drilling rod and the electric hydraulic cylinder, multiple soil samples can be drilled simultaneously, solving the problem that only one soil sample can be drilled at a time.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model is a soil sampling device for hydrogeological exploration, including a support base and a top-out component. The bottom of the support base has a circular groove, and a drill rod is fitted inside the circular groove. An electric hydraulic cylinder is installed on the top of the support base. The output end of the electric hydraulic cylinder passes through the top of the support base to the circular groove. The output end of the electric hydraulic cylinder is connected to the top of the drill rod. A sampling groove is opened on the bottom surface of the drill rod. The number of sampling grooves is five. A soil-breaking cone is installed at the bottom of the drill rod.

[0007] Furthermore, two arc-shaped limiting grooves are opened in the circular groove, and two arc-shaped blocks are set on the outer surface of the top end of the drill rod, which cooperate with the arc-shaped limiting grooves.

[0008] Furthermore, the soil-breaking cone includes a cone head, on which five oblique cutting blades are provided.

[0009] Furthermore, there are five ejector components, each including a push rod. The bottom end of the push rod is provided with a push plate, the outer surface of the top end of the push rod is fitted with a spring, and the top end of the push rod is provided with a limit plate.

[0010] Furthermore, each of the five sampling slots is provided with a receiving slot, the push plate cooperates with the receiving slot, the receiving slot is provided with a through slot, the outer surface of the push rod cooperates with the through slot, the top of the push rod passes through the through slot to the top of the drill rod, the spring is located between the drill rod and the limiting plate, and the bottom end of the spring contacts the top surface of the drill rod.

[0011] Furthermore, the top outer surface of the support base is provided with two L-shaped legs, and the bottom end of the L-shaped legs is provided with a grounding plate.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model, through the structural design of the drill rod and the electric hydraulic cylinder, pushes the drill rod downward in the circular groove through the output end of the electric hydraulic cylinder. This causes the soil to be evenly divided by the five oblique cutting blades on the soil breaking cone and squeezed into the five sampling slots evenly opened at the bottom of the drill rod, realizing the simultaneous drilling of five soil samples. This allows for the simultaneous drilling of multiple soil samples at one time, simplifying the sampling operation, improving the sampling speed, effectively shortening the soil sampling time, saving the physical strength of the surveyors, and making it highly applicable. It greatly improves the soil sampling efficiency of the device.

[0014] 2. This utility model, through the structural design of the ejector, uses the output end of the electric hydraulic cylinder to drive the drill rod to continue moving upward in the circular groove. This causes the push plate at the bottom of the ejector to disengage from the corresponding receiving groove and push the soil sample in the corresponding sampling groove, thereby removing the soil sample from the five sampling grooves. Then, the ejector is reset by the spring return, which allows for convenient and rapid removal of the drilled soil sample, effectively improving the soil sample removal speed, shortening the sample removal time, and improving the sampling efficiency of the device.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the assembly structure of a soil sampling device.

[0017] Figure 2 This is a schematic diagram of the soil sampling device.

[0018] Figure 3 This is a schematic diagram of the bottom structure of the soil sampling device.

[0019] Figure 4 This is a schematic diagram of the drill rod structure.

[0020] Figure 5 This is a schematic diagram of the ejector component.

[0021] Figure 6This is a schematic diagram of the support structure.

[0022] Figure 7 This is a schematic diagram of the ground-breaking cone.

[0023] In the diagram: 1. Bearing seat; 101. Circular groove; 102. Arc-shaped limiting groove; 2. Drill rod; 201. Sampling groove; 202. Receiving groove; 203. Through groove; 204. Arc-shaped block; 3. Electric hydraulic cylinder; 4. Ejector; 401. Push rod; 402. Push plate; 403. Spring; 5. Soil-breaking cone; 501. Cone head; 502. Angled cutter; 6. L-shaped support leg. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-7 This utility model provides a technical solution: a soil sampling device for hydrogeological exploration, including a support base 1 and a top-mounted component 4. The bottom of the support base 1 is provided with a circular groove 101, and a drill rod 2 is fitted in the circular groove 101. Two arc-shaped limiting grooves 102 are provided in the circular groove 101. Two arc-shaped blocks 204 are provided on the outer surface of the top end of the drill rod 2. The arc-shaped blocks 204 cooperate with the arc-shaped limiting grooves 102 to ensure the stability of the drill rod 2 sliding up and down in the circular groove 101. Two L-shaped support legs 6 are provided on the outer surface of the top of the support base 1. The bottom end of the L-shaped support legs 6 is provided with a grounding plate to ensure the stable placement of the device.

[0026] An electric hydraulic cylinder 3 is installed on the top of the support base 1. The output end of the electric hydraulic cylinder 3 passes through the top of the support base 1 to the circular groove 101. The output end of the electric hydraulic cylinder 3 is connected to the top of the drill rod 2. A sampling groove 201 is opened on the bottom surface of the drill rod 2. There are five sampling grooves 201. A soil breaking cone 5 is installed at the bottom of the drill rod 2. The soil breaking cone 5 includes a cone head 501. A bevel cutting blade 502 is installed on the cone head 501. There are five bevel cutting blades 502, which can facilitate the drill rod 2 to drill into the soil.

[0027] During soil sampling, the device is moved to the drilling location in the exploration area and stabilized using two L-shaped support legs 6. Then, the electric hydraulic cylinder 3 is activated, pushing the drill rod 2 downwards within the circular groove 101 via its output end. As the drill rod 2 descends, the ground-breaking cone 5 at its bottom breaks through the ground and enters the soil. The soil is then evenly divided by the five oblique cutting blades 502 on the ground-breaking cone 5 and squeezed into the five evenly spaced sampling slots 201 at the bottom of the drill rod 2. This process continues until the drill rod 2 reaches a suitable depth and the five sampling slots 201 are filled with soil samples. At this point, the output end of the electric hydraulic cylinder 3 is moved upwards, causing the drill rod 2 to move upwards within the circular groove 101. This causes the drill rod 2 and its five sampling slots 201 to move upwards and leave the soil, thus achieving simultaneous drilling of five soil samples.

[0028] Five ejector components 4 are provided. Each ejector component 4 includes a ejector rod 401. A push plate 402 is provided at the bottom end of the ejector rod 401. A spring 403 is fitted on the outer surface of the top end of the ejector rod 401. A limiting piece is provided at the top end of the ejector rod 401. Each of the five sampling slots 201 has a receiving slot 202. The push plate 402 is fitted with the receiving slot 202. A through slot 203 is provided in the receiving slot 202. The outer surface of the ejector rod 401 is fitted with the through slot 203. The top end of the ejector rod 401 passes through the through slot 203 to the top end of the drill rod 2. The spring 403 is located between the drill rod 2 and the limiting piece. The bottom end of the spring 403 is in contact with the top surface of the drill rod 2, which facilitates the reset of the ejector rod 401 and the push plate 402.

[0029] After soil sampling is completed and the ground-breaking cone 5 at the bottom of the drill rod 2 moves upward above the ground, when it is necessary to remove the soil samples stored in the five sampling slots 201, the output end of the electric hydraulic cylinder 3 is controlled to drive the drill rod 2 to continue moving upward in the circular groove 101, so that the top of the push rod 401 on the five ejector parts 4 contacts and presses against the inner wall of the circular groove 101. After being pressed, the push rod 401 slides downward in the corresponding through groove 203 and presses against the spring 403, causing the spring 403 to contract after being pressed. This causes the push plate 402 at the bottom of the push rod 401 to detach from the corresponding receiving groove 202 and proceed with the soil sample in the corresponding sampling slot 201. As the output end of the electric hydraulic cylinder 3 gradually moves upward, the five push rods 401 push out the soil samples from the five sampling slots 201 simultaneously through the push plates 402 at their bottom ends. After the soil samples in the five sampling slots 201 are taken out, the output end of the electric hydraulic cylinder 3 is controlled to move downward, so that the top of the five push rods 401 separates from the inner wall of the circular groove 101, so that the squeezing force on the push rods 401 disappears, the spring 403 rebounds, drives the push rods 401 to move upward, and makes the push plates 402 at the bottom end of the push rods 401 cooperate with the corresponding receiving slots 202. Then, the tray is taken out to receive the five soil samples, realizing the rapid removal of soil samples.

[0030] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A soil sampling device for hydrogeological surveys, comprising a support seat (1), characterized in that: The bottom of the bearing seat (1) is provided with a circular groove (101), and the circular groove (101) is matched with a drilling rod (2); The top of the bearing seat (1) is provided with an electric hydraulic cylinder (3), the output end of the electric hydraulic cylinder (3) penetrates the top of the bearing seat (1) to the circular groove (101), the output end of the electric hydraulic cylinder (3) is connected with the top end of the drilling rod (2), the bottom end surface of the drilling rod (2) is provided with a sampling groove (201), the number of the sampling groove (201) is five, and the bottom end of the drilling rod (2) is provided with a soil breaking cone (5).

2. The soil sampling device for hydrogeological survey according to claim 1, characterized in that, The circular groove (101) is provided with two arc-shaped limiting grooves (102), and the top end outer surface of the drilling rod (2) is provided with two arc-shaped blocks (204).

3. The soil sampling device for hydrogeological surveying according to claim 2, characterized in that, The soil breaking cone (5) comprises a cone head (501), and the cone head (501) is provided with five bevel cutters (502).

4. The soil sampling device for hydrogeological survey according to any one of claims 1-3, characterized in that, The ejection piece (4) is further provided, the number of the ejection piece (4) is five, the ejection piece (4) comprises a top rod (401), the bottom end of the top rod (401) is provided with a push plate (402), the top end outer surface of the top rod (401) is matched with a spring (403), and the top end of the top rod (401) is provided with a limiting sheet.

5. The soil sampling device for hydrogeological surveying according to claim 4, characterized in that, Five sampling grooves (201) are provided with containing grooves (202), the push plate (402) is matched with the containing groove (202), the containing groove (202) is provided with a through groove (203), the outer surface of the top rod (401) is matched with the through groove (203), the top end of the top rod (401) penetrates through the through groove (203) to the top end of the drilling rod (2), the spring (403) is located between the drilling rod (2) and the limiting sheet, the bottom end of the spring (403) is in contact with the top end surface of the drilling rod (2).

6. The soil sampling device for hydrogeological survey of claim 1, wherein The top outer surface of the bearing seat (1) is provided with two L-shaped legs (6), and the bottom end of the L-shaped leg (6) is provided with a grounding plate.

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