Fixed-point water sampling device for groundwater environment condition investigation

Abstract

The utility model discloses a fixed-point water sampling device for groundwater environment condition investigation, which relates to the technical field of groundwater sampling and comprises a support frame and a limiting rod, a water sampling mounting component is arranged on one side, far away from the support frame, of the limiting rod, and a lifting motor drives a transmission shaft to drive a lifting shaft to lift. The use height of the water sampling structure is adjusted by adjusting the use height of the water sampling structure, two limiting knobs are used for limiting and mounting the two water sampling pipes, a plurality of guide rods are used for guiding and positioning the two water sampling pipes, and a guide frame is used for guiding and protecting the use of the filtering water sampling barrel. Two conical guide blocks arranged at the bottom of a positioning disc descend to apply gravity to soil to provide auxiliary water sampling work when underground water is sampled, a filter screen arranged in a filter opening can filter silt in the underground water, and the filtered underground water is conveniently conveyed into a water sampling pipe through a water inlet. The two water collecting pipes can collect underground water of the two pipes at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water water sampling technology field especially relates to a fixed point water sampling device for underground water environmental condition investigation. BACKGROUND

[0002] With the gradual development of site environmental investigation business, the quality and cost control of field groundwater and soil sampling are more and more important, there are mainly two ways for traditional groundwater sampling, the first way is to use 30 impact drill to construct well, and then use the beiler tube to sample water, which is also the type commonly used in Tianjin at present, the second way is to use geoprobe to construct well or to take groundwater samples at fixed point, which is a more advanced groundwater sampling way. However, the equipment used in the two methods has high requirements for site conditions, and the sampling quality is affected by factors such as construction quality in the first method, the second method has high cost and affects the long-term development of business, in order to improve the sampling quality, adapt to different site types and promote the development of industry, combined with the advantages of geoprobe, the patent designs a device for taking groundwater samples by using rhino drill and peristaltic pump combined construction method.

[0003] In the patent with publication number CN 214584281 U, a fixed point water sampling device for underground water environmental investigation is proposed, which includes air zone, aquifer, aquifuge, groundwater level depth, screen pipe, blade part, filter screen, annular baffle, water sampling pipe, counterweight, connecting rope, bent plate, peristaltic pump, water storage bottle, hinged shaft, supporting plate and sponge pad. However, the following problems still exist in the patent:

[0004] The existing water sampling device for underground water does not have the effect of stabilizing and guiding the water sampling pipe, so that the stability of the water sampling pipe cannot be ensured after sampling.

[0005] In view of the above problems, a fixed point water sampling device for underground water environmental condition investigation is needed to overcome the above problems. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a fixed point water sampling device for underground water environmental condition investigation, which can effectively solve the problems in the background art.

[0007] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0008] A fixed point water sampling device for underground water environmental condition investigation, comprising a supporting frame and a limiting rod, one side of the supporting frame is provided with a limiting rod, and the other side of the limiting rod away from the supporting frame is provided with a water sampling installation assembly.

[0009] The water sampling installation assembly comprises a fixed block arranged on one side of a limiting rod, connecting blocks arranged on two sides of the fixed block, limiting knobs arranged on the top of the two connecting blocks, four guide rods arranged on the four corners of the bottom of the two connecting blocks, guide frames arranged on the bottom of the four guide rods, positioning discs arranged on the bottom of the two guide frames, two conical guide blocks arranged on the two ends of the bottom of the two positioning discs, water sampling pipes arranged on the middle of the bottom of the two connecting blocks, water inlets arranged on one end of the outer wall of the two water sampling pipes, and filter water cylinders arranged on the outer wall of the two water sampling pipes, wherein a plurality of filter openings are arranged on the outer wall of the filter water cylinder, and a filter screen is arranged on the lower end of the filter opening.

[0010] The support plate is provided with a lifting motor at one end of the top of the support plate, a transmission shaft is arranged on the bottom of the lifting motor and penetrates the top of the support plate, a lifting shaft is arranged on the bottom of the transmission shaft, a fixed cylinder is arranged on the bottom of the lifting shaft, and a fixed seat is arranged on the bottom of the fixed cylinder.

[0011] As a preferred scheme of the present application, the limiting rod is fixedly connected with the fixed block, the fixed block is fixedly connected with the two connecting blocks, and the two connecting blocks are threadedly connected with the two limiting knobs.

[0012] As a preferred scheme of the present application, the two connecting blocks are threadedly connected with the four guide rods, and the four guide rods are threadedly connected with the guide frames.

[0013] As a preferred scheme of the present application, the two guide frames are threadedly connected with the two positioning discs, and the two positioning discs are threadedly connected with the four conical guide blocks.

[0014] As a preferred scheme of the present application, the two connecting blocks are threadedly connected with the two water sampling pipes, and the outer wall of the two water sampling pipes is in contact with the inner wall of the two filter water cylinders.

[0015] As a preferred scheme of the present application, the outer wall of the two filter water cylinders is detachably clamped with the inner wall of the top of the guide frame, the filter water cylinder is threadedly connected with the filter screen, and the bottom of the water sampling pipe is in contact with the top of the filter screen.

[0016] As a preferred scheme of the present application, the lifting motor is in transmission connection with the lifting shaft through the transmission shaft, the lifting shaft is threadedly connected with the fixed cylinder, the fixed cylinder is fixedly connected with the fixed seat, and the bottom of the fixed seat is threadedly connected with the top of the fixed block.

[0017] Advantages

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The groundwater environment condition investigation fixed-point water sampling device, through the driving transmission shaft of the lifting motor, drives the lifting shaft to lift, so as to adjust the use height of the water sampling structure, the fixed cylinder and the fixed seat are used for fixing the use of the lifting shaft, the two limiting knobs are used for limiting and installing the two water sampling pipes, the plurality of guide rods are used for guiding and positioning the two water sampling pipes, the guide frame is used for guiding and protecting the use of the filter water cylinder, the two conical guide blocks arranged at the bottom of the positioning disc provide auxiliary water sampling work by applying gravity to the soil when the groundwater is sampled downward, the filter screen arranged in the filter port can filter the silt in the groundwater, the water inlet facilitates conveying the filtered groundwater into the water sampling pipe, and the two water sampling pipes can simultaneously collect two tubes of groundwater. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure schematic diagram of the utility model;

[0021] Figure 2 is the lifting shaft structure schematic diagram of the utility model;

[0022] Figure 3 is the water sampling installation assembly structure schematic diagram of the utility model;

[0023] Figure 4 is the water sampling pipe structure schematic diagram of the utility model.

[0024] In the drawing: 1, support frame;2, support plate;3, limiting rod;4, water sampling installation assembly;5, lifting motor;6, transmission shaft;7, lifting shaft;8, fixed cylinder;9, fixed seat;401, fixed block;402, connecting block;403, limiting knob;404, guide rod;405, guide frame;406, positioning disc;407, conical guide block;408, filter water cylinder;409, filter port;410, filter screen;411, water sampling pipe;412, water inlet. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] Reference is made to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 and the accompanying drawings Figure 3As shown, the water sampling installation assembly 4 comprises a fixed block 401 arranged on one side of the limiting rod 3, the two sides of the fixed block 401 are provided with connecting blocks 402, the top of the two connecting blocks 402 is provided with limiting knobs 403, the four corners of the bottom of the two connecting blocks 402 are provided with four guide rods 404, the bottom of the guide rods 404 is provided with guide frames 405, the bottom of the two guide frames 405 is provided with positioning discs 406, and the two ends of the bottom of the two positioning discs 406 are provided with two tapered guide blocks 407;

[0027] The limiting rod 3 is fixedly connected with the fixed block 401, the fixed block 401 is fixedly connected with the two connecting blocks 402, and the two connecting blocks 402 are threadedly connected with the two limiting knobs 403; the two connecting blocks 402 are threadedly connected with the four guide rods 404, and the four guide rods 404 are threadedly connected with the bottom guide frames 405; the two guide frames 405 are threadedly connected with the two positioning discs 406, and the two positioning discs 406 are threadedly connected with the four tapered guide blocks 407;

[0028] It should be noted that the two limiting knobs 403 are used to lock and install the two water sampling pipes 411, the plurality of guide rods 404 are used to guide and limit the use of the two water sampling pipes 411, the guide frame 405 is used to guide and protect the use of the filtering water cylinder 408, the positioning disc 406 at the bottom of the guide frame 405 is used to install the two tapered guide blocks 407 by means of bolts, and the two tapered guide blocks 407 are used to provide auxiliary work for the gravity of the underground cement soil when the fixed block 401 is lowered, thereby improving the water sampling stability of the two water sampling pipes 411.

[0029] Referring to Figs. 1-4, Figure 1 , Figs. 5-8, Figure 3 and Figs. 9-12, Figure 4 As shown, the bottom of the middle of the two connecting blocks 402 is provided with a water sampling pipe 411, one end of the outer wall of the two water sampling pipes 411 is provided with a water inlet 412, and the outer wall of the two water sampling pipes 411 is provided with a filtering water cylinder 408; a plurality of filter openings 409 are formed in the outer wall of the filtering water cylinder 408, and a filter screen 410 is arranged at the lower end of the filter openings 409;

[0030] The two connecting blocks 402 are threadedly connected with the two water sampling pipes 411, and the outer wall of the two water sampling pipes 411 is in contact with the inner wall of the two filtering water cylinders 408; the outer wall of the upper end of the two filtering water cylinders 408 is detachably clamped with the inner wall top of the guide frame 405, the filtering water cylinder 408 is threadedly connected with the filter screen 410, and the bottom of the water sampling pipe 411 is in contact with the top of the filter screen 410;

[0031] It should be noted that when collecting groundwater, the filter screen 410 on the outer wall of the filter water collecting cylinder 408 filters the sand into the filter water collecting cylinder 408, and the filter screen 410 at the bottom of the filter water collecting cylinder 408 filters the groundwater when the groundwater enters the filter water collecting cylinder 408.

[0032] Reference is made to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the drawings, the top of the support frame 1 is provided with a support plate 2, one end of the top of the support plate 2 is provided with a lifting motor 5, the bottom of the lifting motor 5 is provided with a transmission shaft 6 penetrating through the top of the support plate 2, the bottom of the transmission shaft 6 is provided with a lifting shaft 7, the bottom of the lifting shaft 7 is provided with a fixing cylinder 8, the bottom of the fixing cylinder 8 is provided with a fixing base 9, the lifting motor 5 is drivingly connected with the lifting shaft 7 through the transmission shaft 6, the lifting shaft 7 is threadedly connected with the fixing cylinder 8, the fixing cylinder 8 is fixedly connected with the fixing base 9, the bottom of the fixing base 9 is threadedly connected with the top of the fixing block 401, the lifting motor 5 is arranged to drive the transmission shaft 6 to drive the lifting shaft 7 to lift, so as to adjust the use height of the water collecting structure, and the fixing cylinder 8 and the fixing base 9 are arranged to fix the use of the lifting shaft 7.

[0033] It should be noted that the utility model is a kind of fixed-point water collecting device for groundwater environmental condition investigation, when using, lifting motor 5 drives transmission shaft 6 to drive lifting shaft 7 to lift, so as to drive fixing block 401 to lift, fixing cylinder 8, fixing base 9 play the role of fixing the use of lifting shaft 7, limiting knob 403 on the top of two connecting blocks 402 is arranged to lock and install two water collecting pipes 411, four conical guide blocks 407 apply pressure to the soil in surface water when descending, facilitate the use of water collecting pipe 411, groundwater enters filter water collecting cylinder 408 through filter screen 410, and a plurality of filter openings 409 on the outer wall of the filter water collecting cylinder 408 are arranged to filter the groundwater, and finally the groundwater is collected into the water collecting pipe 411 through the water inlet 412, when lifting, the side of the limiting rod 3 away from the fixing block 401 slides on the inner side of the support frame 1, and a sliding groove is arranged on the inner side of the support frame 1 to facilitate improving the use stability of the fixing block 401, a plurality of guide rods 404 are arranged to guide and limit the use of the two water collecting pipes 411, and the guide frame 405 at the bottom of the plurality of guide rods 404 can protect the use of the filter water collecting cylinder 408.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixed-point water sampling device for groundwater environmental condition investigation, comprising a support frame (1) and a limiting rod (3), characterized in that: One side of the support frame (1) is provided with a limiting rod (3), and the limiting rod (3) is provided with a water sampling mounting assembly (4) away from one side of the support frame (1); The water sampling mounting assembly (4) comprises a fixed block (401) provided on one side of the limiting rod (3), both sides of the fixed block (401) are provided with a connecting block (402), the top of the two connecting blocks (402) is provided with a limiting knob (403), the bottom of the two connecting blocks (402) is provided with four guide rods (404), the bottom of the guide rods (404) is provided with a guide frame (405), the bottom of the two guide frames (405) is provided with a positioning disc (406), both ends of the bottom of the two positioning discs (406) are provided with two tapered guide blocks (407), the middle of the bottom of the two connecting blocks (402) is provided with a water sampling pipe (411), one end of the outer wall of the two water sampling pipes (411) is provided with a water inlet (412), the outer wall of the two water sampling pipes (411) is provided with a filter water sampling cylinder (408), a plurality of filter openings (409) are formed in the outer wall of the filter water sampling cylinder (408), and a filter screen (410) is arranged at the lower end in the filter opening (409). The top of the support frame (1) is provided with a support plate (2), one end of the top of the support plate (2) is provided with a lifting motor (5), the bottom of the lifting motor (5) penetrates the top of the support plate (2) and is provided with a transmission shaft (6), the bottom of the transmission shaft (6) is provided with a lifting shaft (7), the bottom of the lifting shaft (7) is provided with a fixed cylinder (8), and the bottom of the fixed cylinder (8) is provided with a fixed seat (9).

2. The apparatus according to claim 1, wherein: The limiting rod (3) is fixedly connected with the fixed block (401), and the fixed block (401) is fixedly connected with the two connecting blocks (402).

3. The apparatus according to claim 1, wherein: The two connecting blocks (402) are threadedly connected with the four guide rods (404), and the four guide rods (404) are threadedly connected with the bottom guide frame (405).

4. The apparatus according to claim 1, wherein: The two guide frames (405) are threadedly connected with the two positioning discs (406), and the two positioning discs (406) are threadedly connected with the four tapered guide blocks (407).

5. The apparatus according to claim 1, wherein: The two connecting blocks (402) are threadedly connected with the two water sampling pipes (411), and the outer wall of the two water sampling pipes (411) is in contact with the inner wall of the two filter water sampling cylinders (408).

6. The apparatus according to claim 1, wherein: The outer wall of the two filter water sampling cylinders (408) is detachably clamped with the inner wall top of the guide frame (405), the filter water sampling cylinder (408) is threadedly connected with the filter screen (410), and the bottom of the water sampling pipe (411) is in contact with the top of the filter screen (410).

7. The apparatus according to claim 1, wherein: The lifting motor (5) is in transmission connection with a lifting shaft (7) through a transmission shaft (6), the lifting shaft (7) is in threaded connection with a fixed cylinder (8), the fixed cylinder (8) is fixedly connected with a fixed base (9), and the bottom of the fixed base (9) is in threaded connection with the top of a fixed block (401).

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