Active soil gas collecting device

Abstract

The utility model discloses a soil gas active collection device, including moving frame, battery holder, electric telescopic pole, limit frame and carriage, battery holder is fixed connection in the top of moving frame, limit frame is fixed connection in the left side and right side of moving frame top front side, carriage is in sliding connection in the limit frame, the electric telescopic pole is fixed in the limit frame, and the electric telescopic pole is fixed in the limit frame. The electric telescopic rod is fixedly connected to the bottom of the sliding frame, and a drilling assembly is fixedly connected to the bottom of the electric telescopic rod. By arranging the drilling assembly, soil is drilled through the drilling assembly, then the first air suction pump and the second air suction pump are started to collect air in soil of the first air suction hole and the second air suction hole through the air conveying pipe, and then the collected air is conveyed to the air collecting pipe through the air conveying pipe; the problems that during use, soil needs to be collected for multiple times, collection at different depths cannot be conducted for multiple times, more comprehensive soil gas information is difficult to obtain, and the collection and detection accuracy is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas collection, in particular to an active soil gas collection device. Background Technique

[0002] Soil gas is one of the important components of soil. Soil gas mainly comes from the atmosphere, and some are mixtures of the products of biochemical reactions and the atmosphere. By detecting soil gas, the pollution situation of the soil can be indirectly reflected.

[0003] According to the patent publication number: CN218674417U, an active soil gas collection device is provided, including a mobile frame. Two limit frames are fixedly installed on the mobile frame. A sliding frame is slidably connected in the two limit frames. A drill pipe is rotatably connected inside the sliding frame. A toothed ring is fixedly installed at the top of the drill pipe. A gear is meshed and connected to the front end of the toothed ring. An air extraction pump is fixedly installed on the sliding frame on the right side of the toothed ring. An installation frame is fixedly sleeved on the drill pipe. A filter screen is arranged on the outer side of the bottom end of the drill pipe. A threaded sleeve is sleeved on the drill pipe corresponding to the filter screen. A sleeve frame is fixedly installed at the top of the threaded sleeve. A plurality of second electric push rods are fixedly installed on the outer side of the drill pipe at the bottom end of the installation frame. This active soil gas collection device can directly extract the gas in the soil after the drill pipe is inserted into the ground, avoiding the mixing of the gas in the soil with the outside air, thus affecting the accuracy of subsequent detection. At the same time, the operation steps are reduced, thereby further improving the working efficiency of the active soil gas collection device.

[0004] Based on the retrieval of the above patent and the combination of the equipment in the prior art, it is found that when the above equipment is applied, although it can solve the problems that the operation steps of the soil gas collection method are too cumbersome and time-consuming, the working efficiency is low, and when the drilling equipment is pulled out, the outside air will enter the drilling hole and mix with the soil gas, resulting in the accuracy of the subsequent soil gas detection results, but it needs to collect the soil multiple times during use, and it is impossible to collect at different depths multiple times, making it difficult to obtain more comprehensive soil gas information and affecting the accuracy of the collection and detection. Content of the Utility Model

[0005] To solve the problems raised in the above background technique, the purpose of the present utility model is to provide an active soil gas collection device, which has the advantage of multiple measurements, and solves the problems that it is necessary to collect the soil multiple times during use, it is impossible to collect at different depths multiple times, it is difficult to obtain more comprehensive soil gas information, and it affects the accuracy of the collection and detection.

[0006] To achieve the above object, the utility model provides the following technical solutions: A soil gas active collection device, including a mobile frame, a battery holder, an electric telescopic rod, a limit frame and a sliding frame. The battery holder is fixedly connected to the top of the mobile frame. The limit frame is fixedly connected to the left and right sides of the front side of the top of the mobile frame. The sliding frame is slidably connected inside the limit frame. The electric telescopic rod is fixedly connected to the bottom of the sliding frame. A drilling component is fixedly connected to the bottom of the electric telescopic rod.

[0007] Preferably, the drilling component includes that the suction pipe is fixedly connected to the bottom of the electric telescopic rod. A servo motor is fixedly connected to the inner wall of the suction pipe. The output end of the servo motor is fixedly connected to the rotary drill bit.

[0008] Preferably, a first suction hole is opened at the top of the inner wall of the suction pipe, and a second suction hole is opened at the bottom of the inner wall of the suction pipe. A first air pump is fixedly connected to the right side of the top of the sliding frame. A second air pump is arranged on the right side of the first air pump. The second air pump is fixedly connected to the top of the sliding frame. The first air pump is communicated with the first suction hole and the second air pump is communicated with the second suction hole through air pipes.

[0009] Preferably, a placement rack is fixedly connected to the left side of the top of the sliding frame. A gas collecting pipe is placed inside the placement rack. There are several gas collecting pipes. The first air pump and the second air pump are both communicated with the gas collecting pipe through an air outlet pipe.

[0010] Preferably, an installation rack is fixedly connected to the surface of the servo motor. The other end of the installation rack is fixedly connected to the inner wall of the suction pipe.

[0011] Preferably, a first filter screen is inlaid in the inner holes of the first suction hole and the second suction hole. A second filter screen is fixedly connected to the rear side of the first filter screen.

[0012] Preferably, the first filter screen is a metal mesh hole, and the second filter screen is a fiberglass filter cotton.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. By setting the drilling component, the utility model drills the soil through the drilling component, then starts the first air pump and the second air pump to collect the gas in the soil of the first suction hole and the second suction hole through the air pipe, and then transports the collected gas to the gas collecting pipe through the air pipe, solving the problem that it is necessary to collect the soil multiple times during use, unable to collect at different depths multiple times, difficult to obtain more comprehensive soil gas information, and affecting the accuracy of collection and detection, achieving the effect of multiple measurements.

[0015] 2. The utility model fixes the suction pipe to the electric telescopic rod by setting a drilling assembly, then fixes the servo motor to the suction pipe, and then fixes the output end of the servo motor to the rotary drill bit. The servo motor is started to drive the rotary drill bit to rotate, and then the electric telescopic rod moves downward to drill holes, improving the convenience during use.

[0016] 3. The utility model sets a first suction hole, a second suction hole, a first air extraction pump, a second air extraction pump and an air delivery pipe, so that the first suction hole is communicated with the first air extraction pump through the air delivery pipe, and the second suction hole is communicated with the second air extraction pump through the air delivery pipe. The user starts the first air extraction pump and the second air extraction pump to collect the gas in the soil around the first suction hole and the second suction hole, ensuring the accuracy of the collected gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic three-dimensional structure diagram of the utility model;

[0018] Figure 2 is a schematic cross-sectional view of a partial three-dimensional structure of the utility model;

[0019] Figure 3 is an exploded schematic view of a partial three-dimensional structure of the utility model.

[0020] In the figure: 1, moving frame; 2, battery base; 3, electric telescopic rod; 4, limiting frame; 5, sliding frame; 6, drilling assembly; 61, suction pipe; 62, servo motor; 63, rotary drill bit; 7, first suction hole; 8, second suction hole; 9, first air extraction pump; 10, second air extraction pump; 11, air delivery pipe; 12, placing frame; 13, gas collecting pipe; 14, air outlet pipe; 15, mounting frame; 16, first filter screen; 17, second filter screen. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Such as Figures 1 to 3As shown in the figure, a soil gas active collection device provided by the utility model includes a mobile rack 1, a battery holder 2, an electric telescopic rod 3, a limit rack 4 and a sliding rack 5. The battery holder 2 is fixedly connected to the top of the mobile rack 1. The limit rack 4 is fixedly connected to the left and right sides of the front side of the top of the mobile rack 1. The sliding rack 5 is slidably connected to the inside of the limit rack 4. The electric telescopic rod 3 is fixedly connected to the bottom of the sliding rack 5. A drilling assembly 6 is fixedly connected to the bottom of the electric telescopic rod 3.

[0023] Reference Figure 2 , the drilling assembly 6 includes an air suction pipe 61 fixedly connected to the bottom of the electric telescopic rod 3. A servo motor 62 is fixedly connected to the inner wall of the air suction pipe 61. The output end of the servo motor 62 is fixedly connected to a rotary drill bit 63.

[0024] As a technical optimization scheme of the utility model, by setting the drilling assembly 6, the air suction pipe 61 is fixed to the electric telescopic rod 3, then the servo motor 62 is fixed to the air suction pipe 61, and then the output end of the servo motor 62 is fixed to the rotary drill bit 63. The servo motor 62 is started to drive the rotary drill bit 63 to rotate, and then the electric telescopic rod 3 moves downward for drilling, improving the convenience in use.

[0025] Reference Figure 1 and Figure 3 , a first air suction hole 7 is opened at the top of the inner wall of the air suction pipe 61, a second air suction hole 8 is opened at the bottom of the inner wall of the air suction pipe 61. A first air extraction pump 9 is fixedly connected to the right side of the top of the sliding rack 5. A second air extraction pump 10 is arranged on the right side of the first air extraction pump 9. The second air extraction pump 10 is fixedly connected to the top of the sliding rack 5. The first air extraction pump 9 is communicated with the first air suction hole 7 and the second air extraction pump 10 is communicated with the second air suction hole 8 through an air delivery pipe 11.

[0026] As a technical optimization scheme of the utility model, by setting the first air suction hole 7, the second air suction hole 8, the first air extraction pump 9, the second air extraction pump 10 and the air delivery pipe 11, the first air suction hole 7 is communicated with the first air extraction pump 9 through the air delivery pipe 11, and then the second air extraction pump 10 is communicated with the second air extraction pump 10 through the air delivery pipe 11. The user starts the first air extraction pump 9 and the second air extraction pump 10 to collect the gas in the soil around the first air suction hole 7 and the second air suction hole 8, ensuring the accuracy of the collected gas.

[0027] Reference Figure 1 , a placement rack 12 is fixedly connected to the left side of the top of the sliding rack 5. A gas collecting pipe 13 is placed inside the placement rack 12. There are several gas collecting pipes 13. The first air extraction pump 9 and the second air extraction pump 10 are both communicated with the gas collecting pipe 13 through an air outlet pipe 14.

[0028] As a technical optimization solution of the present utility model, by setting up the placement rack 12, the gas collecting pipe 13 and the air outlet pipe 14, the placement rack 12 is fixed to the sliding rack 5, and then the gas collecting pipe 13 is placed inside the placement rack 12. The gases collected by the first air extraction pump 9 and the second air extraction pump 10 are transported through the air outlet pipe 14 to different gas collecting pipes 13 for collection. By detecting the air in multiple gas collecting pipes 13, the accuracy of detection is improved.

[0029] Reference Figure 2 , a mounting rack 15 is fixedly connected to the surface of the servo motor 62, and the other end of the mounting rack 15 is fixedly connected to the inner wall of the air suction pipe 61.

[0030] As a technical optimization solution of the present utility model, by setting up the mounting rack 15, the mounting rack 15 is fixed to the servo motor 62, and then the mounting rack 15 is fixed to the air suction pipe 61. The mounting rack 15 provides a stable support for the servo motor 62, ensuring that the servo motor 62 remains in an appropriate position and guaranteeing the stability of the equipment operation.

[0031] Reference Figure 1 and Figure 3 , a first filter screen 16 is inlaid in the inner holes of the first air suction hole 7 and the second air suction hole 8, and a second filter screen 17 is fixedly connected to the rear side of the first filter screen 16.

[0032] As a technical optimization solution of the present utility model, by setting up the first filter screen 16 and the second filter screen 17, the first filter screen 16 is fixed to the first air suction hole 7 and the second air suction hole 8, and then the second filter screen 17 is fixed to the first air suction hole 7 and the second air suction hole 8. By fixing the first filter screen 16 and the second filter screen 17 on the inner walls of the first air suction hole 7 and the second air suction hole 8, soil and other impurities are filtered, improving the stability of the equipment during use.

[0033] Reference Figure 3 , the first filter screen 16 is a metal mesh hole, and the second filter screen 17 is a fiberglass filter cotton.

[0034] As a technical optimization solution of the present utility model, by setting up the first filter screen 16 and the second filter screen 17, the first filter screen 16 is made of a metal mesh hole, which can block the inhalation of soil, and the second filter screen 17 is made of a fiberglass filter cotton, which can block the inhalation of fine impurities such as dust.

[0035] Working principle and usage process of the present utility model: During use, fix the suction pipe 61 to the electric telescopic rod 3, then fix the servo motor 62 to the suction pipe 61, and then fix the servo motor 62 through the mounting bracket 15. The mounting bracket 15 provides stable support for the servo motor 62 to ensure that the servo motor 62 remains in an appropriate position. Then fix the output end of the servo motor 62 to the rotary drill bit 63. Start the servo motor 62 to drive the rotary drill bit 63 to rotate, and then make the electric telescopic rod 3 move downward to drill a hole. When drilling to a certain depth, block the suction of soil through the first filter screen 16, and then block the suction of fine impurities such as dust through the second filter screen 17. Then start the first air pump 9 and the second air pump 10 to collect the gas in the soil around the first suction hole 7 and the second suction hole 8. Transport the gas collected by the first air pump 9 and the second air pump 10 to different collecting pipes 13 through the air outlet pipe 14 for collection. By detecting the air in multiple collecting pipes 13, the accuracy of detection is improved.

[0036] In summary, for this soil gas active collection device, by setting the drilling assembly 6, drilling the soil through the drilling assembly 6, then starting the first air pump 9 and the second air pump 10 to collect the gas in the soil of the first suction hole 7 and the second suction hole 8 through the air delivery pipe 11, and then transporting the collected gas to the collecting pipe 13 through the air delivery pipe 11, it solves the problem that multiple soil collections are required during use, it is impossible to collect at different depths multiple times, it is difficult to obtain more comprehensive soil gas information, and it affects the accuracy of collection and detection.

[0037] It should be noted that in this article, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A soil gas active collection device, comprising a mobile frame (1), a battery holder (2), an electric telescopic rod (3), a limit frame (4) and a slide frame (5), characterized in that: The battery holder (2) is fixedly connected to the top of the mobile frame (1), the limiting frame (4) is fixedly connected to the left and right sides of the front top of the mobile frame (1), the slide frame (5) is slidably connected to the inside of the limiting frame (4), the electric telescopic rod (3) is fixedly connected to the bottom of the slide frame (5), and the bottom of the electric telescopic rod (3) is fixedly connected to a drilling assembly (6).

2. The soil gas active collection device according to claim 1, characterized in that: The drilling assembly (6) comprises an air suction pipe (61), wherein the air suction pipe (61) is fixedly connected to the bottom of the electric telescopic rod (3), the inner wall of the air suction pipe (61) is fixedly connected to a servo motor (62), and the output end of the servo motor (62) is fixedly connected to a rotating drill bit (63).

3. The soil gas active collection device according to claim 2, characterized in that: A first suction hole (7) is provided at the top of the inner wall of the suction pipe (61), a second suction hole (8) is provided at the bottom of the inner wall of the suction pipe (61), a first air pump (9) is fixedly connected to the right side of the top of the slide (5), a second air pump (10) is provided on the right side of the first air pump (9), the second air pump (10) is fixedly connected to the top of the slide (5), the first air pump (9) and the first air hole (7) are connected, and the second air pump (10) and the second air hole (8) are connected via an air supply pipe (11).

4. The soil gas active collection device according to claim 3, characterized in that: A placement rack (12) is fixedly connected to the left side of the top of the slide (5), and an air collecting pipe (13) is placed inside the placement rack (12). A plurality of air collecting pipes (13) are provided, and the first air pump (9) and the second air pump (10) are both connected to the air collecting pipe (13) via an air outlet pipe (14).

5. The soil gas active collection device according to claim 2, characterized in that: A mounting frame (15) is fixedly connected to the surface of the servo motor (62), and the other end of the mounting frame (15) is fixedly connected to the inner wall of the air intake pipe (61).

6. The soil gas active collection device according to claim 3, characterized in that: The inner holes of the first air intake hole (7) and the second air intake hole (8) are inlaid with a first filter screen (16), and the rear side of the first filter screen (16) is fixedly connected with a second filter screen (17).

7. The soil gas active collection device according to claim 6, characterized in that: The first filter screen (16) is a metal mesh, and the second filter screen (17) is a glass fiber filter cotton.

Images