Underground water sampling device for engineering geological survey

Abstract

The utility model relates to the technical field of engineering geological survey, in particular to an underground water sampling device for engineering geological survey, which comprises a seat plate, a lifting component arranged at the top of the seat plate, a drilling component arranged in the lifting component, a sampling component arranged at the top of the seat plate and a driving component fixedly mounted at the bottom of the seat plate. According to the underground water sampling device for engineering geological investigation, the control device moves to a sampling point, the pneumatic rod is contracted while the drilling motor is started, the pneumatic rod is contracted to drive the position of the drilling component to descend, so that the drill bit drives the drilling rod to drill into the sampling point, and after the drill bit drives the sampling seat to drill into a section of position in the sampling point, the sampling seat is driven to drill into the sampling point. Water in the sampling points permeates into the sampling seat through the sampling seat, the sampling pipe slides to the bottommost part of the sampling cavity, seepage water of the sampling points penetrates through the sampling seat, permeates into the permeator and then reaches the bottom of the sampling pipe, and the sampling pump is started to extract and send the seepage water collected in the sampling pipe into the sampling box.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering geological survey, in particular to a groundwater sample collection device used for engineering geological survey. Background Art

[0002] Engineering geological survey is a geological investigation and research work carried out to identify the geological factors that affect engineering buildings. It mainly includes geological mapping, exploration, indoor testing, in-situ testing and other work, aiming to obtain original data and engineering geological demonstration of the engineering geological conditions of the construction site and related areas. Through these works, it is possible to predict the mode, characteristics and scale of interaction between engineering buildings and the geological environment, and make correct evaluations, provide necessary basis and parameters for engineering construction, and provide basis for the stability and normal use of buildings. Groundwater sampling in engineering geological survey is an important link, which involves collecting groundwater samples for chemical, physical and biological analysis. This process is crucial for evaluating the quality and characteristics of groundwater, especially considering the potential impact of groundwater on engineering structures in construction projects.

[0003] Chinese patent CN206618603U discloses a groundwater sampling device for engineering geological survey, the utility model includes a sampler, the side wall of the sampler is provided with a plurality of longitudinally distributed water inlet holes, and the inner wall is attached with a cylindrical semipermeable membrane. Although the utility model connects the sampling device with the exploration drill rod to filter impurities in the groundwater, obtain pure groundwater, and improve the accuracy of the test results, this device requires manual auxiliary operation. Since groundwater filtration takes a certain amount of time, it is necessary to assist in maintaining the stable state of the device during the sampling process, so the utility model is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a groundwater sampling device for engineering geological survey, which has the advantages of good stability and high sampling accuracy, and solves the problem that the groundwater sampling device for engineering geological survey requires manual assistance during operation and is not practical.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a groundwater sampling device for engineering geological survey, comprising a base plate, a lifting component arranged on the top of the base plate, a drilling component arranged inside the lifting component, a sampling component arranged on the top of the base plate, and a driving component fixedly installed on the bottom of the base plate;

[0006] The present application adopts the above technical solution, the lifting component drives the drilling component to lift, the drilling component drives the sampling component to drill and sample, and the driving component drives the device to move.

[0007] Furthermore, the lifting component includes several fixed rods fixedly installed on the top of the seat plate, a counterweight plate snap-connected to the side of the fixed rod, several pneumatic rods fixedly installed inside the counterweight plate, and a lifting platform fixedly installed on the top of the pneumatic rod movable rod.

[0008] The beneficial effect of the above further scheme is that the lifting platform is driven to move up and down by the pneumatic rod, and the fixing rod fixes the counterweight plate to strengthen the stability of the device during the drilling process.

[0009] Furthermore, the drilling component includes a drilling box fixedly installed on the top of the lifting platform, a drilling motor fixedly installed on the bottom wall of the drilling box, a driving gear fixedly installed on the outside of the drilling motor output shaft, a driven gear transmission-connected to the outside of the driving gear, and a cover plate threadedly connected to the top of the drilling box.

[0010] The beneficial effect of the above further scheme is that the drilling motor drives the driving gear, which in turn drives the driven gear, thereby performing drilling.

[0011] Furthermore, the sampling component includes a drilling rod fixedly installed inside the driven gear, a sampling seat fixedly installed at the bottom of the drilling rod, a drill bit fixedly installed at the bottom of the sampling seat, a sampling cavity opened inside the drilling rod, a sampling tube movably connected inside the sampling cavity, a permeator fixedly installed at the bottom of the sampling tube, and a gravity ball fixedly installed at the bottom of the permeator.

[0012] The beneficial effect of the above further scheme of sampling is that the sampling seat and the drill bit are driven to drill into the interior of the sampling point by rotating the drilling rod, the sampling cavity collects the groundwater, and the sampling tube transports the groundwater.

[0013] Furthermore, the driving component includes a driving seat fixedly mounted on the bottom of the seat plate and driving wheels transmission-connected to both sides of the driving seat.

[0014] The beneficial effect of the above further scheme is that the driving seat drives the driving wheel to realize the movement effect of the device.

[0015] Furthermore, a through hole is opened inside the seat plate, an annular stabilizing frame is arranged on the top of the through hole, and a rotating shaft penetrating through the upper and lower surfaces of the lifting platform is fixedly installed on the bottom of the lifting platform.

[0016] The beneficial effect of the above further scheme is that the position of the drilling rod is limited by setting the perforation and the annular stabilizing frame in cooperation with the rotating shaft.

[0017] Furthermore, the cover plate is provided with a plurality of through holes inside, the top of the sampling tube passes through the through hole to the top of the cover plate and then passes through the through hole to the bottom of the cover plate, and the outer part of the sampling tube located at the top of the cover plate is made of transparent material.

[0018] The beneficial effect of the above further scheme for sampling is that the sampling tube is arranged to be inserted on the outer side of the cover plate, so as to facilitate observation of the sampling effect of the sampling tube.

[0019] Furthermore, a sampling pump is fixedly installed at the bottom of the cover plate, one end of the sampling tube is connected to the sampling pump, and a sampling box fixedly installed on the lifting platform is provided below the sampling pump.

[0020] The beneficial effect of the above further sampling scheme is: groundwater is extracted through the sampling tube of the sampling pump and transported to the sampling box for storage, thereby achieving the purpose of sampling.

[0021] Furthermore, the drill rod vertically penetrates the rotating shaft and is fixedly installed with the rotating shaft, the drill rod vertically penetrates the annular stable frame and is slidably connected with the annular stable frame, the top of the drill rod and the bottom of the cover plate are rotationally connected, and the sampling cavity extends to the top of the drill rod.

[0022] The beneficial effects of the above further scheme for sampling are: an annular stabilizing frame is provided to assist in limiting the rotation of the drill rod, and a sampling cavity is provided inside the drill rod to collect groundwater.

[0023] Furthermore, a plurality of water seepage holes are opened on the side of the sampling seat, the interior of the permeator is a hollow structure and is connected to the interior of the sampling tube, and the side of the permeator is a filter material.

[0024] Sampling The beneficial effect of the above further scheme is that the seepage holes are arranged to collect the groundwater, while the permeator filters the groundwater.

[0025] Compared with the prior art, the utility model provides a groundwater sampling device for engineering geological survey, which has the following beneficial effects:

[0026] 1. The underground water sampling device used for engineering geological survey moves to the sampling point through the control device, starts the drilling motor and contracts the pneumatic rod at the same time. The contraction of the pneumatic rod drives the drilling component to drop, so that the drill bit drives the drilling rod to drill into the sampling point. After the drill bit drives the sampling seat to drill into a certain position inside the sampling point, the moisture inside the sampling point penetrates into the interior of the sampling seat through the sampling seat, and the sampling tube slides to the bottom of the sampling cavity. The seepage water at the sampling point penetrates into the interior of the permeator through the sampling seat and reaches the bottom of the sampling tube. The sampling pump is started to extract the seepage water collected in the sampling tube and send it to the interior of the sampling box to complete the sampling.

[0027] 2. The groundwater sampling device used for engineering geological survey increases the stability of the overall structure of the device during the drilling process by installing a counterweight plate on a fixed rod. At the same time, different counterweight plates can be replaced according to the geological conditions of the sampling point to increase the counterweight above the device. The seat plate cooperates with the driving wheel to ensure stability during the sampling process, solving the problem that the groundwater sampling device for engineering geological survey requires manual assistance during operation and is not practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0029] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0030] Figure 3 The utility model structure Figure 2 A magnified view of the structure in the middle.

[0031] In the figure: 1. seat plate; 11. annular stabilizing frame; 2. lifting component; 21. fixing rod; 22. counterweight plate; 23. pneumatic rod; 24. lifting platform; 25. rotating shaft; 3. drilling component; 31. drilling box; 32. drilling motor; 33. driving gear; 34. driven gear; 35. cover plate; 36. sampling pump; 37. sampling box; 4. sampling component; 41. drilling rod; 42. sampling seat; 43. drill bit; 44. sampling cavity; 45. sampling tube; 46. permeator; 47. gravity ball; 5. driving component; 51. driving seat; 52. driving wheel. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1-3 In this embodiment, a groundwater sampling device for engineering geological survey includes a base plate 1, a lifting component 2 arranged on the top of the base plate 1, a drilling component 3 arranged inside the lifting component 2, a sampling component 4 arranged on the top of the base plate 1, and a driving component 5 fixedly installed on the bottom of the base plate 1.

[0034] The device is moved to the sampling point by the driving component 5. The lifting component 2 drives the drilling component 3 to be lifted and lowered. At the same time, the drilling component 3 drills into the interior of the sampling point. After the sampling component 4 enters the interior of the sampling point, the groundwater inside the sampling point penetrates into the interior of the sampling component 4, and then the sampling is achieved through extraction by the sampling component 4.

[0035] In this embodiment, the lifting component 2 includes a plurality of fixed rods 21 fixedly installed on the top of the seat plate 1, a counterweight plate 22 snap-connected to the side of the fixed rod 21, a plurality of pneumatic rods 23 fixedly installed inside the counterweight plate 22, and a lifting platform 24 fixedly installed on the top of the movable rod of the pneumatic rod 23.

[0036] The stability of the device is increased by installing a fixed rod 21 and a counterweight plate 22 , and the pneumatic rod 23 drives the lifting platform 24 to move up and down for sampling.

[0037] In this embodiment, the drilling component 3 includes a drilling box 31 fixedly installed on the top of the lifting platform 24, a drilling motor 32 fixedly installed on the inner bottom wall of the drilling box 31, a driving gear 33 fixedly installed on the outer side of the output shaft of the drilling motor 32, a driven gear 34 transmission-connected to the outer side of the driving gear 33, and a cover plate 35 threadedly connected to the top of the drilling box 31.

[0038] By arranging a drilling motor 32 inside the drilling box 31 , the drilling motor 32 drives the driving gear 33 and the driven gear 34 to rotate to perform drilling.

[0039] In this embodiment, a through hole is opened inside the seat plate 1, and a ring-shaped stabilizing frame 11 is provided at the top of the through hole. A rotating shaft 25 penetrating the upper and lower surfaces of the lifting platform 24 is fixedly installed at the bottom.

[0040] By providing a through hole inside the seat plate 1 and providing an annular stabilizing frame 11 to cooperate with the rotating shaft 25, the stability of the drilling process is ensured.

[0041] In this embodiment, a sampling pump 36 is fixedly installed at the bottom of the cover plate 35 , one end of the sampling tube 45 is connected to the sampling pump 36 , and a sampling box 37 fixedly installed on the lifting platform 24 is provided below the sampling pump 36 .

[0042] The sampling pump 36 is provided to extract the groundwater that has infiltrated the bottom of the sampling tube 45 and then transport it to the interior of the sampling box 37 .

[0043] In this embodiment, the sampling component 4 includes a drilling rod 41 fixedly installed inside the driven gear 34, a sampling seat 42 fixedly installed at the bottom of the drilling rod 41, a drill bit 43 fixedly installed at the bottom of the sampling seat 42, a sampling cavity 44 opened inside the drilling rod 41, a sampling tube 45 movably connected inside the sampling cavity 44, a permeator 46 fixedly installed at the bottom of the sampling tube 45, and a gravity ball 47 fixedly installed at the bottom of the permeator 46.

[0044] The driven gear 34 is set to drive the drilling rod 41 to rotate. The rotation of the drilling rod 41 drives the sampling seat 42 to drive the drill bit 43 to drill into the interior of the sampling point. The sampling cavity 44 stores the groundwater that penetrates from the sampling point, and the permeator 46 performs filtering. The gravity ball 47 drives the sampling tube 45 to the bottom under the action of gravity.

[0045] In this embodiment, a plurality of holes are opened inside the cover plate 35. The top of the sampling tube 45 passes through the hole to the top of the cover plate 35 and then passes through the hole to the bottom of the cover plate 35. The outer part of the top of the sampling tube 45 is made of transparent material.

[0046] By arranging the sampling tube 45 to extend a portion of the sampling tube 45 to the outside of the cover plate 35 , the transparent sampling tube 45 facilitates checking the sampling effect.

[0047] In this embodiment, the drilling rod 41 vertically penetrates the rotating shaft 25 and is fixedly installed with the rotating shaft 25, the drilling rod 41 vertically penetrates the annular stabilizing frame 11 and is slidably connected with the annular stabilizing frame 11, the top of the drilling rod 41 and the bottom of the cover plate 35 are rotationally connected, and the sampling chamber 44 extends to the top of the drilling rod 41.

[0048] By setting the drilling rod 41 to be rotationally connected to the lifting platform 24 through the rotating shaft 25, the drilling rod 41 passes through the annular stabilizing frame 11 and is slidably connected to the annular stabilizing frame 11, thereby ensuring the stability of the drilling rod 41 during the rotation process.

[0049] In this embodiment, a plurality of water seepage holes are opened on the side of the sampling seat 42 , the interior of the permeator 46 is a hollow structure and communicates with the interior of the sampling tube 45 , and the side of the permeator 46 is a filter material.

[0050] The water seepage holes are provided so that groundwater can penetrate smoothly into the interior of the sampling seat 42 , and the permeator 46 performs secondary filtration on the groundwater.

[0051] In this embodiment, the driving component 5 includes a driving seat 51 fixedly mounted on the bottom of the seat plate 1 and driving wheels 52 drivingly connected to both sides of the driving seat 51 .

[0052] The driving seat 51 with a driving effect is provided to drive the driving wheel 52 to rotate, thereby realizing the movement of the device.

[0053] It should be noted that the motor, electric pump, etc. are existing technologies, and their specific structures and working principles are not described in detail in this article.

[0054] The working principle of the above embodiment is:

[0055] The control device moves to the sampling point, starts the drilling motor 32 and retracts the pneumatic rod 23. The retraction of the pneumatic rod 23 drives the drilling component 3 to drop, so that the drill bit 43 drives the drilling rod 41 to drill into the sampling point. After the drill bit 43 drives the sampling seat 42 to drill into a certain position inside the sampling point, the moisture inside the sampling point penetrates into the sampling seat 42 through the sampling seat 42, and the sampling tube 45 slides to the bottom of the sampling cavity 44. The seepage water at the sampling point penetrates into the permeator 46 through the sampling seat 42 and reaches the bottom of the sampling tube 45. The sampling pump 36 is started to extract the seepage water collected in the sampling tube 45 and send it to the inside of the sampling box 37 to complete the sampling.

[0056] In addition, a fixed rod 21 is provided to install a counterweight plate 22 to increase the stability of the overall structure of the device during the drilling process. At the same time, different counterweight plates 22 can be replaced according to the geological conditions of the sampling point to increase the counterweight above the device, thereby solving the problem that the groundwater sample collection device in engineering geological surveys requires manual assistance during operation and is not very practical.

[0057] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

Claims

1. A groundwater sampling device for engineering geological survey, characterized in that: It comprises a seat plate (1), a lifting component (2) arranged on the top of the seat plate (1), a drilling component (3) arranged inside the lifting component (2), a sampling component (4) arranged on the top of the seat plate (1), and a driving component (5) fixedly mounted on the bottom of the seat plate (1); The lifting component (2) comprises a plurality of fixed rods (21) fixedly mounted on the top of the seat plate (1), a counterweight plate (22) snap-connected to the side of the fixed rod (21), a plurality of pneumatic rods (23) fixedly mounted inside the counterweight plate (22), and a lifting platform (24) fixedly mounted on the top of the movable rod of the pneumatic rod (23).

2. The underground water sampling device for engineering geological survey according to claim 1, characterized in that: The drilling component (3) comprises a drilling box (31) fixedly mounted on the top of the lifting platform (24), a drilling motor (32) fixedly mounted on the inner bottom wall of the drilling box (31), a driving gear (33) fixedly mounted on the outer side of the output shaft of the drilling motor (32), a driven gear (34) drivingly connected to the outer side of the driving gear (33), and a cover plate (35) threadedly connected to the top of the drilling box (31).

3. The underground water sampling device for engineering geological survey according to claim 1, characterized in that: The sampling component (4) comprises a drilling rod (41) fixedly mounted inside the driven gear (34), a sampling seat (42) fixedly mounted at the bottom of the drilling rod (41), a drill bit (43) fixedly mounted at the bottom of the sampling seat (42), a sampling cavity (44) opened inside the drilling rod (41), a sampling tube (45) movably connected inside the sampling cavity (44), a permeator (46) fixedly mounted at the bottom of the sampling tube (45), and a gravity ball (47) fixedly mounted at the bottom of the permeator (46).

4. The underground water sampling device for engineering geological survey according to claim 1, characterized in that: The driving component (5) comprises a driving seat (51) fixedly mounted on the bottom of the seat plate (1), and driving wheels (52) drivingly connected to both sides of the driving seat (51).

5. The underground water sampling device for engineering geological survey according to claim 1, characterized in that: The seat plate (1) is provided with a through hole inside, and a ring-shaped stabilizing frame (11) is provided at the top of the through hole. A rotating shaft (25) penetrating the upper and lower surfaces of the lifting platform (24) is fixedly installed at the bottom.

6. The underground water sampling device for engineering geological survey according to claim 2, characterized in that: The cover plate (35) is provided with a plurality of perforations inside, and the top of the sampling tube (45) passes through the perforations to the top of the cover plate (35) and then passes through the perforations to the bottom of the cover plate (35). The outer portion of the sampling tube (45) located at the top of the cover plate (35) is made of transparent material.

7. The underground water sampling device for engineering geological survey according to claim 2, characterized in that: A sampling pump (36) is fixedly mounted on the bottom of the cover plate (35), one end of the sampling tube (45) is connected to the sampling pump (36), and a sampling box (37) fixedly mounted on the lifting platform (24) is provided below the sampling pump (36).

8. The underground water sampling device for engineering geological survey according to claim 3, characterized in that: The drilling rod (41) vertically penetrates the rotating shaft (25) and is fixedly mounted on the rotating shaft (25); the drilling rod (41) vertically penetrates the annular stabilizing frame (11) and is slidably connected to the annular stabilizing frame (11); the top of the drilling rod (41) is rotatably connected to the bottom of the cover plate (35); and the sampling chamber (44) extends to the top of the drilling rod (41).

9. The underground water sampling device for engineering geological survey according to claim 3, characterized in that: A plurality of water seepage holes are provided on the side of the sampling seat (42); the interior of the permeator (46) is a hollow structure and is communicated with the interior of the sampling tube (45); and the side of the permeator (46) is provided with filter material.

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