Underground water sampler for water resource investigation

Abstract

The utility model relates to an underground water sampler for water resource investigation, which belongs to the technical field of underground water samplers, and comprises an underground water sampler for water resource investigation, the underground water sampler comprises a take-up structure, a sampling barrel, a guide rope, a water inlet pipe and a water outlet pipe, a filter screen is detachably mounted at the bottom end of the sampling barrel, a balancing weight is fixedly mounted on the outer surface of the bottom end of the sampling barrel, and a cleaning structure used for cleaning the filter screen is arranged outside the balancing weight and located below the sampling barrel; and the cleaning structure comprises a mounting frame, a striking block, a reset spring and a guide rod. According to the underground water sampler for water resource investigation, the weight of the sampling barrel can be increased by installing the balancing weight at the bottom end of the sampling barrel, the accuracy of the sampling position can be ensured, the sampling reliability is improved, the elastic striking block is arranged on the balancing weight and located below the filter screen, and the filter screen can be prevented from being blocked by fine particles or impurities to a certain extent; and the water flow is kept smooth.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water sampler technical field, concretely is underground water sampler for water resource investigation. BACKGROUND

[0002] Underground water science and engineering mainly researches the basic knowledge and skills of underground water resources and underground water engineering aspects, contains the exploration, evaluation, development, management of underground water resources, the monitoring, evaluation and treatment of underground water environment and geological environment etc.;Underground water refers to the water in the rock space below the ground, and in a narrow sense, it refers to the water in the saturated aquifer below the underground water surface, in order to detect the water quality in the region, generally needs to sample and detect underground water, and needs to use a sampler when sampling.

[0003] Through the search, the underground water sampler with publication number CN221350690U is disclosed, which comprises a sampling cylinder, a cavity cylinder is threadedly connected to the bottom of the sampling cylinder, a bottom disc is fixedly connected to the bottom of the cavity cylinder, a hole plate is fixedly connected to the middle of the top surface of the bottom disc, and a connecting rope is fixedly connected to the top surface of the hole plate at the four corners. The underground water sampler, by the setting of the sampling cylinder and the cavity cylinder, in the use process of the sampling personnel, according to different needs, the cavity cylinder is twisted to expand the capacity of the sampling cylinder, so as to play the role of conveniently adjusting the capacity of the sampling cylinder for the sampling personnel.

[0004] However, in the underground water sampler of the utility model, there are many dirt attached to the inner wall of the sampling cylinder after use, in order to avoid the possibility of cross contamination between different samples, the inner wall of the sampling cylinder needs to be cleaned, since the sampling cylinder has a certain volume, manual cleaning will result in low work efficiency, therefore, the underground water sampler for water resource investigation is proposed to solve the problems in the prior art. UTILITY MODEL CONTENT

[0005] In view of the defects in the prior art, the underground water sampler for water resource investigation has the advantages of strong practicability and easy use, and solves the problem of inconvenient cleaning of the sampling cylinder after use.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an underground water sampler for water resource investigation, comprising an underground water sampler for water resource investigation, a winding structure, a sampling cylinder, a guide rope for lifting the sampling cylinder wound on the winding structure, a filter screen detachably installed at the bottom end of the sampling cylinder, a counterweight fixedly installed on the outer surface of the bottom end of the sampling cylinder, and a cleaning structure outside the counterweight and below the sampling cylinder for cleaning the filter screen.

[0007] The cleaning structure comprises a mounting frame, a hitting block, a reset spring and a guide rod, reinforcing ribs are welded between the inner side of the mounting frame and the hitting block, mounting ears are welded on the outer wall of the mounting frame, and the reset spring and the guide rod are both mounted on the upper surface of the mounting ears;

[0008] The top end of the sampling cylinder is provided with a functional structure, which comprises a lifting screw, an adjusting block mounted on the bottom end of the lifting screw through bolts for adjusting the internal space of the sampling cylinder and a transmission part arranged at the top end of the sampling cylinder for adjusting the lifting screw.

[0009] Further, the take-up structure comprises two racks arranged symmetrically, a wire roller rotatably mounted between the two racks and a first driving motor fixedly mounted on the outside of one of the racks, one end of the wire roller is fixedly connected with the output shaft of the first driving motor.

[0010] Further, the guide rope is installed around the outer surface of the wire roller, and the bottom end of the guide rope is fixedly connected with the top end of the lifting screw.

[0011] Further, the inside of the sampling cylinder is hollow, and the bottom end of the sampling cylinder is provided with an opening, a sealing cover is mounted on the top end of the sampling cylinder through bolts, and a one-way valve is arranged in the inside of the sampling cylinder, which can prevent underground water leakage.

[0012] Further, the top end of the reset spring is fixedly connected with the lower surface of the counterweight block, the guide rod penetrates through the inside of the counterweight block, and the reset spring surrounds the outside of the guide rod, so that the hitting block hits the filter screen to achieve the cleaning effect by the deformation effect of the reset spring.

[0013] Further, the number of the mounting ears, the reset springs and the guide rods is four, and the four mounting ears and the four guide rods are equidistantly distributed around the sampling cylinder.

[0014] Further, the transmission part comprises a rotating screw sleeve rotatably mounted in the inside of the sealing cover and threadedly connected with the lifting screw, a second driving motor fixedly mounted on the lower surface of the sealing cover, a transmission gear fixedly mounted on the output shaft of the second driving motor and a driven gear fixedly mounted on the outside of the rotating screw sleeve and meshed with the transmission gear.

[0015] Further, the outside of the adjusting block is sleeved with a scraping sleeve for sealing, and the lifting screw is lifted and displaced to scrape off the impurities remaining on the inner wall of the sampling cylinder by the transmission cooperation of the transmission part, so that the cleaning of the inner wall of the sampling cylinder is realized.

[0016] Compared with the prior art, the underground water sampler for water resource investigation has the following beneficial effects:

[0017] 1. The groundwater sampler for water resource investigation, the counterweight block installed at the bottom end of the sampling cylinder can increase the weight of the sampling cylinder, so that the sampling cylinder is more stable during sampling and is not easy to deviate or overturn due to the influence of water flow or wind force, which helps to ensure the accuracy of the sampling position and improve the reliability of sampling, the elastic knocking block arranged below the filter screen and the counterweight block can prevent the filter screen from being blocked by small particles or impurities to a certain extent, when the filter screen is found to be blocked during sampling, the knocking block can be vibrated through external force such as knocking or water flow impact force, so as to help remove the blockage on the filter screen and keep the water flow smooth.

[0018] 2. The groundwater sampler for water resource investigation, the transmission cooperation of the transmission member makes the lifting screw 14 lift and displace, and the adjusting block cooperates with the scraping sleeve to not only adjust the space of the sampling cylinder, but also scrape off the impurities remaining on the inner wall of the sampling cylinder, so as to realize the cleaning of the inner wall of the sampling cylinder, thereby achieving the advantages of strong practicability and convenient use, and effectively solving the problem that the sampling cylinder is not convenient to clean after use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure overall view of the utility model;

[0020] Figure 2 It is a structure schematic view of the sampling cylinder of the utility model;

[0021] Figure 3 It is a structure bottom view of the filter screen of the utility model;

[0022] Figure 4 It is a structure front view of the mounting frame of the utility model;

[0023] Figure 5 It is a part structure schematic view of the utility model.

[0024] In the drawing: 1, rack; 2, wire roller; 3, first drive motor; 4, sampling cylinder; 41, sealing cover; 5, guide rope; 6, filter screen; 7, counterweight block; 8, mounting frame; 9, knocking block; 10, mounting ear; 11, return spring; 12, guide rod; 13, reinforcing rib; 14, lifting screw; 15, adjusting block; 16, scraping sleeve; 17, rotating screw sleeve; 18, second drive motor; 19, transmission gear; 20, driven gear. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0026] Embodiment one:

[0027] Please refer to Figures 1 to 4 The underground water sampler for water resource investigation comprises the underground water sampler for water resource investigation, a wire winding structure, a guide rope 5 wound on the wire winding structure after the sampling barrel 4 for lifting the sampling barrel 4, a filter screen 6 detachably installed at the bottom end of the sampling barrel 4, and a counterweight 7 fixedly installed on the outer surface of the bottom end of the sampling barrel 4. The counterweight 7 installed at the bottom end of the sampling barrel 4 can increase the weight of the sampling barrel 4, so that the sampling barrel 4 is more stable during sampling and is not easily deviated or overturned due to the influence of water flow or wind force, which helps to ensure the accuracy of the sampling position and improve the reliability of sampling. In addition, the cleaning structure for cleaning the filter screen 6 is arranged outside the counterweight 7 and below the sampling barrel 4. The cleaning structure comprises a mounting frame 8, a knocking block 9, a reset spring 11 and a guide rod 12. A reinforcing rib 13 is welded between the inner side of the mounting frame 8 and the knocking block 9. Mounting lugs 10 are welded on the outer wall of the mounting frame 8, and the reset spring 11 and the guide rod 12 are both installed on the upper surface of the mounting lugs 10. The filter screen 6 is knocked by the elastic vibration of the knocking block 9 through external force such as the knocking of the knocking block 9 or the impact force of water flow, so as to help remove the blockage on the filter screen 6 and keep the water flow smooth.

[0028] In the embodiment, the wire winding structure comprises two racks 1 arranged symmetrically, a wire roller 2 rotatably installed between the two racks 1, and a first driving motor 3 fixedly installed outside one of the racks 1. One end of the wire roller 2 is fixedly connected with the output shaft of the first driving motor 3. The guide rope 5 is wound on the outer surface of the wire roller 2, and the bottom end of the guide rope 5 is fixedly connected with the top end of a lifting screw rod 14.

[0029] Specifically, the inside of the sampling barrel 4 is hollow, the bottom end of the sampling barrel 4 is provided with an opening, and a sealing cover 41 is installed on the top end of the sampling barrel 4 through bolts. The top end of the reset spring 11 is fixedly connected with the lower surface of the counterweight 7, the guide rod 12 penetrates through the inside of the counterweight 7, the reset spring 11 surrounds the outside of the guide rod 12, and the knocking block 9 knocks the filter screen 6 to realize the cleaning effect by using the deformation effect of the reset spring 11. The guide rod 12 can limit the mounting frame 8 and the reset spring 11, so that they can linearly displace. The top end of the guide rod 12 can also be provided with a limiting ring to prevent the guide rod 12 from being disconnected with the counterweight 7.

[0030] It should be noted that the number of mounting ears 10, reset springs 11 and guide rods 12 is four, and the four mounting ears 10 and the four guide rods 12 are equidistantly distributed around the sampling cylinder 4. The inside of the sampling cylinder 4 is provided with a one-way valve, which can prevent underground water leakage. The sampling cylinder 4 is lifted to sample underground water, and the underground water is filtered into the sampling cylinder 4 through the filter screen 6. The filter screen 6 can block large particles from entering the sampling cylinder 4, ensuring the purity of the sample. The sampling cylinder 4 is sealed by the one-way valve to prevent leakage. The one-way valve is a conventional device known to the public in the prior art, and therefore its specific structure and working principle will not be described in detail.

[0031] Example two:

[0032] Please refer to Figure 2 and Figure 5 On the basis of example one, the top end of the sampling cylinder 4 is provided with a functional structure, which includes a lifting screw 14, an adjusting block 15 installed at the bottom end of the lifting screw 14 for adjusting the internal space of the sampling cylinder 4, and a transmission member arranged at the top end of the sampling cylinder 4 for adjusting the lifting screw 14. The transmission member includes a rotating sleeve 17 rotatably installed in the inside of the sealing cover 41 and threadedly connected with the lifting screw 14, a second drive motor 18 fixedly installed on the lower surface of the sealing cover 41, a transmission gear 19 fixedly installed on the output shaft of the second drive motor 18, and a driven gear 20 fixedly installed on the outside of the rotating sleeve 17 and engaged with the transmission gear 19.

[0033] Specifically, the outside of the adjusting block 15 is sleeved with a scraping sleeve 16 for sealing, and the lifting screw 14 is lifted and displaced by the transmission of the transmission member to scrape off the impurities remaining on the inner wall of the sampling cylinder 4, realizing the cleaning of the inner wall of the sampling cylinder 4.

[0034] In this embodiment, the rotating sleeve 17 is connected with the sealing cover 41 through a bearing. The second drive motor 18 is a waterproof motor, which is a micro direct current permanent magnet motor 90ZYT096. The bottom side of the second drive motor 18 is provided with a waterproof power supply box.

[0035] By using the above technical scheme, the adjusting block 15 cooperates with the scraping sleeve 16 to lift and displace the lifting screw 14 by the transmission of the transmission member to scrape off the impurities remaining on the inner wall of the sampling cylinder 4, realizing the cleaning of the inner wall of the sampling cylinder 4.

[0036] The working principle of the above embodiment is as follows:

[0037] In use, the first driving motor 3 drives the wire roller 2 to release the guide rope 5, and the sampling cylinder 4 is lifted to sample the underground water, the underground water is filtered by the filter screen 6 and enters the sampling cylinder 4, the filter screen 6 can prevent large particles from entering the sampling cylinder 4, and the purity of the sample is ensured, then the sampling cylinder 4 is sealed by the one-way valve to prevent leakage, when the filter screen 6 is found to be blocked during sampling, the knocking block 9 can be knocked or the filter screen 6 is vibrated by water flow to help remove the blockage on the filter screen 6, and the water flow is kept smooth, and the adjusting block 15 cooperates with the scraping sleeve 16 to scrape the impurities on the inner wall of the sampling cylinder 4 by the transmission of the transmission member, and the inner wall of the sampling cylinder 4 is cleaned.

[0038] The electrical components in the text are electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer, and the existing disclosed power connection technology is not described in detail.

[0039] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0040] Although the embodiments of the present application have been shown and described, it is understood that those skilled in the art can make various changes, modifications, replacements and variations to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A groundwater sampler for water resource investigation, comprising a groundwater sampler for water resource investigation, characterized by: The underground water sampler is characterized in that the winding structure, the sampling cylinder (4) and the guide rope (5) are connected, the bottom end of the sampling cylinder (4) is detachably provided with the filter screen (6), the bottom end of the sampling cylinder (4) is fixedly provided with the counterweight (7), and the cleaning structure is arranged outside the counterweight (7) and below the sampling cylinder (4) to clean the filter screen (6). The cleaning structure comprises the mounting frame (8), the hitting block (9), the reset spring (11) and the guide rod (12), the reinforcing rib (13) is welded between the inner side of the mounting frame (8) and the hitting block (9), the mounting lug (10) is welded on the outer wall of the mounting frame (8), and the reset spring (11) and the guide rod (12) are mounted on the upper surface of the mounting lug (10). The top end of the sampling cylinder (4) is provided with the functional structure, the functional structure comprises the lifting screw rod (14), the adjusting block (15) which is mounted on the bottom end of the lifting screw rod (14) by bolts and is used for adjusting the internal space of the sampling cylinder (4), and the transmission part which is arranged on the top end of the sampling cylinder (4) and is used for adjusting the lifting screw rod (14).

2. The groundwater sampler for water resource survey according to claim 1, characterized in that: The winding structure comprises two racks (1) which are symmetrically arranged, the wire roller (2) which is rotatably mounted between the two racks (1), and the first driving motor (3) which is fixedly mounted on the outer side of one of the racks (1), one end of the wire roller (2) is fixedly connected with the output shaft of the first driving motor (3).

3. The groundwater sampler for water resource survey according to claim 2, characterized in that: The guide rope (5) is woundly mounted on the outer surface of the wire roller (2), and the bottom end of the guide rope (5) is fixedly connected with the top end of the lifting screw rod (14).

4. The groundwater sampler for water resource survey according to claim 1, characterized in that: The inside of the sampling cylinder (4) is hollow, the bottom end of the sampling cylinder (4) is provided with an opening, the top end of the sampling cylinder (4) is provided with the sealing cover (41) through bolts, and the inside of the sampling cylinder (4) is provided with the one-way valve to prevent underground water leakage.

5. The groundwater sampler for water resource survey according to claim 1, characterized in that: The top end of the reset spring (11) is fixedly connected with the lower surface of the counterweight (7), the guide rod (12) penetrates through the inside of the counterweight (7), the reset spring (11) surrounds the outside of the guide rod (12), and the hitting block (9) hits the filter screen (6) to achieve the cleaning effect by using the deformation effect of the reset spring (11).

6. The groundwater sampler for water resource survey according to claim 1, characterized in that: The number of the mounting lug (10), the reset spring (11) and the guide rod (12) is four, and the four mounting lugs (10) and the four guide rods (12) are equidistantly distributed around the sampling cylinder (4).

7. The groundwater sampler for water resource survey according to claim 4, characterized in that: The transmission part comprises the rotating screw sleeve (17) which is rotatably mounted in the inside of the sealing cover (41) and is threadedly connected with the lifting screw rod (14), the second driving motor (18) which is fixedly mounted on the lower surface of the sealing cover (41), the transmission gear (19) which is fixedly mounted on the output shaft of the second driving motor (18), and the driven gear (20) which is fixedly mounted on the outside of the rotating screw sleeve (17) and is meshed with the transmission gear (19).

8. The groundwater sampler for water resource survey according to claim 7, characterized in that: The outside of the adjusting block (15) is sleeved with the scraping sleeve (16) for sealing, and the transmission part is used for driving the lifting screw rod (14) to displace and scrape the impurities remaining on the inner wall of the sampling cylinder (4) to clean the inner wall of the sampling cylinder (4).

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