Water pumping test device for hydrogeological survey

Abstract

The utility model discloses a water pumping test device for hydrogeological survey, and relates to the technical field of water sampling, the water pumping test device comprises a sampling frame, a plug board is inserted on one side of the top of the sampling frame, a support frame is inserted on the other side of the top of the sampling frame, a storage groove I is formed in the outer side of the support frame, and a plurality of support plates are arranged in the storage groove I; third flow guide grooves are formed in one sides of the multiple supporting plates except the bottommost supporting plate, a filter screen is arranged on the side, away from the supporting frame, of the interior of the first flow guide groove, impurities in natural water are filtered through the filter screen, the impurities are prevented from entering the first flow guide groove, only the filter screen needs to be cleaned in a first sliding groove, and the filtering effect is good. Therefore, the internal smoothness of the diversion trench I can be ensured, and the use convenience of a sampling device formed by a sampling frame, a support frame, a support plate and the like is ensured.

Description

Technical Field

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

[0002] In hydrogeological and engineering surveys, pumping tests on aquifers can accurately obtain detailed hydrogeological parameters. Pumping test equipment is used in these tests and has wide applications in geological surveying. Geological surveyors use the composition of the groundwater extracted by the pumping equipment to determine the groundwater quality.

[0003] For example, the patent document of existing Chinese patent application number: 202221488272.7 discloses a stratified pumping test device. This scheme uses a seepage pipe that can extend and retract relative to the outer shell to select different pumping layers to meet the needs of stratified pumping. The seepage pipe is also equipped with a scale surface to clearly quantify the depth of the pumping layer, so as to facilitate the subsequent analysis of hydrogeological parameters.

[0004] However, common sampling equipment, such as the aforementioned water pumping sampling device, outputs water directly from the seepage pipe during use. The water flow in natural water bodies contains a large number of impurities of different particle sizes. Directly outputting the water for testing will cause errors in the test data, and thus greatly reduce the accuracy of the test results. Utility Model Content

[0005] The purpose of this invention is to provide a pumping test device for hydrogeological exploration to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pumping test device for hydrogeological exploration, including a sampling frame, a plug-in plate inserted on one side of the top of the sampling frame, a support frame inserted on the other side of the top of the sampling frame, a storage groove I on the outer side of the support frame, multiple support plates inside the storage groove I, and a flow guide groove III on one side of each of the multiple support plates other than the bottom support plate, a flow guide groove II and a flow guide groove I on one side of the flow guide groove III, and a filter screen on the side of the flow guide groove I away from the support plate.

[0007] Preferably, a sliding groove is provided on one side of the top of the sampling frame, the plug plate is inserted into the sliding groove, and an operating handle is fixedly connected to the top of the plug plate.

[0008] Preferably, the flow guide channel is formed on the sampling frame, and the flow guide channel is internally connected to the sliding channel.

[0009] Preferably, the guide groove is formed on the support frame and communicates with the receiving groove, and a sampling tube is arranged on the top of each support plate.

[0010] Preferably, a sliding groove is arranged on the top of each support plate except the topmost support plate, and a receiving groove is arranged on one side of the sliding groove.

[0011] Preferably, an L-shaped pull plate is arranged in the sliding groove, and the L-shaped pull plate is partially arranged in the receiving groove.

[0012] Preferably, an external thread is arranged on the top of the support frame, a threaded groove is arranged on the top of the sampling frame, the external thread is arranged in the threaded groove and is threadedly connected with the sampling frame, and an operating handle is arranged on the top of the external thread.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1. The filter screen is arranged on the side of the guide groove away from the support frame, the filter screen filters impurities in natural water, avoids the impurities from entering the guide groove, and only needs to be cleaned in the sliding groove, thereby ensuring the convenience of the sampling device composed of the sampling frame, the support frame, the support plate and the like.

[0015] 2. The sampling frame is inserted into the water area or the sludge for a distance, the operating handle is held, the insertion plate is pulled away from the sliding groove by the operating handle, water enters the sliding groove, water at different heights enters the corresponding sampling tube through the adjacent guide grooves, and the water sampling work at multiple height positions is completed at one time, thereby reducing the time investment required by the hydrogeological survey.

[0016] 3. The hook pulls the L-shaped pull plate, the L-shaped pull plate is pulled away from the receiving groove, the sampling tube is taken out, the sample in the sampling tube is recovered, the installation and disassembly of the sampling tube and the support frame are quickly completed, and the time cost investment required by the staff for water sampling is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the present application;

[0018] Figure 2 is a partial structural schematic view of the sampling frame of the present application;

[0019] Figure 3 This is a schematic diagram of the structure of the second operating grip of this utility model;

[0020] Figure 4 This is a schematic diagram of the support frame of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the L-shaped pull plate of this utility model;

[0022] Figure 6 This is a partial structural schematic diagram of the support frame of this utility model.

[0023] The following are the labels in the diagram: 1. Sampling rack; 2. Sliding groove one; 3. Connecting plate; 4. Operating handle one; 5. Flow guide groove one; 6. Filter screen; 7. Threaded groove; 8. External threaded part; 9. Operating handle two; 10. Support frame; 11. Storage groove one; 12. Support plate; 13. Sliding groove two; 14. Storage groove two; 15. L-shaped pull plate; 16. Reserved hole; 17. Sampling tube; 18. Flow guide groove two; 19. Flow guide groove three. 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] Example: Figures 1-6 As shown, this utility model provides a technical solution for a pumping test device for hydrogeological exploration, including a sampling frame 1. A plug-in plate 3 is inserted into one side of the top of the sampling frame 1, and a support frame 10 is inserted into the other side of the top of the sampling frame 1. A storage groove 11 is opened on the outside of the support frame 10. Multiple support plates 12 are arranged inside the storage groove 11. A guide channel 19 is opened on one side of each of the multiple support plates 12 other than the bottom support plate 12. A guide channel 18 and a guide channel 5 are arranged on one side of the guide channel 19. A filter screen 6 is arranged on the side of the guide channel 15 away from the support plate 12.

[0026] Specifically, a receiving groove one 11 is formed on the outer side of the support frame 10, a plurality of support plates 12 arranged inside the receiving groove one 11 are fixedly connected with the support frame 10, so the support plates 12 move synchronously with the support frame 10, a plurality of sliding grooves two 13 are formed on the top of the support plates 12 except the topmost support plate 12, a receiving groove two 14 arranged on one side of the sliding grooves two 13 is formed on the support frame 10, an L-shaped pull plate 15 is inserted into the sliding grooves two 13, part of the L-shaped pull plate 15 enters the receiving groove two 14 and abuts against the support frame 10, then the installation of the L-shaped pull plate 15 and the support plate 12 is completed, and the L-shaped pull plate 15 is in an interference fit state with the support plate 12, the L-shaped pull plate 15 can be separated from the support plate 12 only after being subjected to a certain force.

[0027] Subsequently, a sampling space is formed between two adjacent support plates 12, the sampling tubes 17 are pressed one by one into a plurality of sampling spaces, the sampling tubes 17 are in an interference fit state with the support frame 10, and the position of the sampling tubes 17 does not change during the rotation of the support frame 10.

[0028] Subsequently, the support frame 10 is inserted into the sampling frame 1, a threaded groove 7 formed on the top of the sampling frame 1 is in communication with the inside of the sampling frame 1, and the inner diameter of the threaded groove 7 is greater than the inner diameter of the sampling frame 1, so the support frame 10 can smoothly penetrate the threaded groove 7 and enter the inside of the sampling frame 1, after the outer threaded part 8 fixedly connected to the top of the support frame 10 moves and contacts the sampling frame 1, the operation handle two 9 fixedly connected to the top of the outer threaded part 8 is gripped and rotated, so that the outer threaded part 8 rotates and enters the inside of the threaded groove 7, finally the outer threaded part 8 is screwed with the sampling frame 1 together, the fixation between the outer threaded part 8 and the sampling frame 1 is completed, and the position of the support frame 10 is fixed.

[0029] And a plurality of flow guide grooves three 19 are formed on one side of a plurality of support plates 12 except the bottommost support plate 12, a flow guide groove two 18 arranged on one side of the flow guide grooves three 19 is formed on the support frame 10, at this time the flow guide groove two 18 formed on the support frame 10 is aligned with the flow guide groove one 5 formed on the sampling frame 1, the flow guide groove one 5 is in communication with the inside of the sliding groove one 2, so the sampling tubes 17 are in communication with the inside of the sliding groove one 2 formed on the outer side of the sampling frame 1 through the top flow guide grooves three 19, the flow guide grooves two 18 and the flow guide grooves one 5.

[0030] Subsequently, the insertion plate 3 is inserted into the sliding groove one 2 formed on one side of the top of the sampling frame 1, and the cross sections of the sliding groove one 2 and the insertion plate 3 are both roughly trapezoidal, so during the rotation of the sampling frame 1, the insertion plate 3 cannot leave the inside of the sliding groove one 2.

[0031] Subsequently, the sampling frame 1 is inserted into the water or the silt for a distance, holds the operation handle one 4 fixedly connected at the top of the insertion plate 3, and pulls the insertion plate 3 away from the inside of the sliding groove one 2 through the operation handle one 4. At this time, water enters the inside of the sliding groove one 2, and water at different heights enters the corresponding sampling tube 17 through the adjacent flow guide groove one 5, the flow guide groove two 18 and the flow guide groove three 19. The work of sampling water at multiple height positions at one time is completed, and the time investment required by the hydrogeological survey is reduced.

[0032] After a period of time, the insertion plate 3 is inserted into the sampling frame 1, the sampling frame 1 is taken out for recycling, and the sampling work is completed.

[0033] Subsequently, the operation handle two 9 is held and rotated, the outer threaded part 8 is rotated and separated from the sampling frame 1, and the support frame 10 is pulled out.

[0034] Subsequently, one end of the hook is inserted into the reserved hole 16 at the top of the L-shaped pull plate 15, the L-shaped pull plate 15 is pulled through the hook, the L-shaped pull plate 15 arranged in the L-shaped and attached to the sampling tube 17 is pulled, the L-shaped pull plate 15 and the sampling tube 17 are pulled out of the storage groove one 11 at the same time, the sampling tube 17 can be taken out, the work of recycling the sample in the sampling tube 17 is completed, the installation and disassembly of multiple sampling tubes 17 and the support frame 10 can be quickly completed, and the time cost investment required by the staff for water sampling is reduced.

[0035] In addition, the filter screen 6 is arranged on the side of the flow guide groove one 5 away from the support frame 10. The filter screen 6 is arranged to filter impurities in natural water, so that the impurities are prevented from entering the flow guide groove one 5. The inside of the flow guide groove one 5 can be ensured to be unobstructed by only cleaning the filter screen 6 in the sliding groove one 2, and the convenience of using the sampling device composed of the sampling frame 1, the support frame 10 and the support plate 12 is ensured.

[0036] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A pumping test device for hydrogeological exploration, comprising a sampling frame (1), characterized in that: A connector plate (3) is inserted on one side of the top of the sampling rack (1), and a support frame (10) is inserted on the other side of the top of the sampling rack (1). A storage slot (11) is opened on the outside of the support frame (10). Multiple support plates (12) are arranged inside the storage slot (11). A guide channel (3) (19) is opened on one side of each of the multiple support plates (12) other than the bottom support plate (12). A guide channel (2) (18) and a guide channel (5) are arranged on one side of the guide channel (3) (19). A filter screen (6) is arranged on the side of the guide channel (5) away from the support plate (12).

2. The pumping test device for hydrogeological exploration according to claim 1, characterized in that: The sampling rack (1) has a sliding groove (2) on one side of its top, and the plug plate (3) is inserted into the sliding groove (2). The top of the plug plate (3) is fixedly connected to an operating handle (4).

3. The pumping test device for hydrogeological exploration according to claim 2, characterized in that: The flow guide channel (5) is formed on the sampling frame (1), and the flow guide channel (5) is internally connected to the sliding channel (2).

4. The pumping test device for hydrogeological exploration according to claim 1, characterized in that: The second guide channel (18) is formed on the support frame (10) and communicates with the inside of the first storage channel (11). One of the support plates (12) is provided with a sampling tube (17) on its top. All the support plates (12) are fixedly connected to the support frame (10).

5. The pumping test device for hydrogeological exploration according to claim 1, characterized in that: The top of each of the support plates (12) other than the topmost support plate (12) is provided with a sliding groove (13), and a storage groove (14) is provided on one side of the sliding groove (13). The storage groove (14) is formed on the support frame (10).

6. The pumping test device for hydrogeological exploration according to claim 5, characterized in that: An L-shaped pull plate (15) is inserted inside the sliding groove 2 (13). The L-shaped pull plate (15) is partially set inside the storage groove 2 (14). A reserved hole (16) is opened on the top of the L-shaped pull plate (15).

7. The pumping test device for hydrogeological exploration according to claim 1, characterized in that: The support frame (10) is fixedly connected to the top of an external threaded component (8), the sampling frame (1) is provided with a threaded groove (7) at the top, the external threaded component (8) is located inside the threaded groove (7) and is threadedly connected to the sampling frame (1), and the top of the external threaded component (8) is fixedly connected to an operating handle (9).

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