Underground water stratified sampling device for environmental monitoring

Abstract

The utility model discloses an underground water stratified sampling device for environmental monitoring, which belongs to the technical field of underground water sampling equipment and comprises a base, a supporting upright post arranged on the upper surface of the base, a fixed disc arranged at the top of the supporting upright post, a plurality of suction mechanisms mounted on the lower surface of the fixed disc, and a lofting platform sleeved on the supporting upright post, a sampling mechanism is further arranged and comprises a mounting disc and a limiting disc, a limiting rod is connected between the mounting disc and the limiting disc, a plurality of mounting holes are formed in the mounting disc, positioning connecting pipes are mounted in the mounting holes, the lower ends of the positioning connecting pipes are connected with lengthening pipes, and the lengthening pipes comprise a plurality of lengthening section pipes which are connected in sequence; the lower end of the lengthened section pipe at the lowest end is connected with a sampling pipe, a liquid inlet hole is formed in the lower end of the sampling pipe, and the upper end of the positioning connecting pipe is communicated with the liquid inlet end of the suction mechanism through a hose. The underground water stratified sampling device can solve the problem that an existing sampling device is difficult to collect underground water samples at different depths at a time, so that the sampling efficiency is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of groundwater sampling equipment, and particularly relates to an underground water layer sampling device for environmental monitoring. Background Technique

[0002] During the process of groundwater monitoring, it is necessary to conduct necessary sampling of groundwater. Due to reasons such as the heterogeneity of underground aquifers, groundwater pollution often has stratification, that is, different depths of strata have different pollution characteristics. In order to analyze the groundwater pollution situation in more detail, it is necessary to conduct layered sampling of groundwater. Traditional devices are difficult to collect groundwater samples at different depths at one time during use, resulting in low sampling efficiency and low accuracy. Content of the Utility Model

[0003] The purpose of the utility model is to provide an underground water layer sampling device for environmental monitoring, and solve the problem that existing sampling devices are difficult to collect groundwater samples at different depths at one time, resulting in low sampling efficiency.

[0004] The technical solution adopted by the utility model is as follows:

[0005] An underground water layer sampling device for environmental monitoring includes a base. A support column is arranged on the upper surface of the base. A fixed disk is arranged at the top of the support column. A plurality of suction mechanisms are installed on the lower surface of the fixed disk. A lofting platform is sleeved on the support column below the suction mechanisms. A sampling mechanism is also provided. The sampling mechanism includes a mounting disk. A limiting disk is arranged in parallel and opposite below the mounting disk. A limiting rod is connected between the mounting disk and the limiting disk. A plurality of mounting holes are formed in the mounting disk. A positioning connection pipe is installed in the mounting hole. The lower end of the positioning connection pipe is threadedly connected with an extension pipe. The extension pipe includes a plurality of extension joint pipes threadedly connected in sequence. The lower end of the lowermost extension joint pipe is threadedly connected with a sampling pipe. A liquid inlet hole is formed at the lower end of the sampling pipe. The upper end of each positioning connection pipe is communicated with the liquid inlet end of the corresponding suction mechanism through a hose.

[0006] Further, the suction mechanism includes a water pump installed on the lower surface of the fixed disk. The liquid inlet end of the water pump is communicated with the hose. The liquid outlet end of the water pump is communicated with a liquid storage pipe. The bottom end of the liquid storage pipe is communicated with a liquid discharge head. A valve for controlling the opening and closing of the liquid discharge head is installed on the liquid storage pipe.

[0007] Further, the positioning connection pipe includes a pipe body, a positioning disk, and a hose connection seat that are communicated with each other from bottom to top. The diameter of the positioning disk is larger than the diameter of the mounting hole. The hose connection seat is detachably connected with the hose.

[0008] Further, the hose includes a hose body, one end of the hose body is communicated with the liquid inlet end of the water pump, and a hose connector is installed at the other end of the hose body.

[0009] Further, a handle is also arranged on the upper surface of the fixed disk.

[0010] Further, a connecting fixing rod is also arranged on the upper surface of the mounting disk.

[0011] Further, the mounting holes are evenly arranged in an array on the mounting disk.

[0012] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, it includes a base, a support column is arranged on the upper surface of the base, a fixed disk is arranged at the top of the support column, a plurality of suction mechanisms are installed on the lower surface of the fixed disk, a lofting platform is sleeved on the support column below the suction mechanisms, and a sampling mechanism is also arranged. The sampling mechanism includes a mounting disk, a limiting disk is arranged parallel and opposite below the mounting disk, a limiting rod is connected between the mounting disk and the limiting disk, a plurality of mounting holes are formed in the mounting disk, a positioning connecting pipe is installed in the mounting holes, the lower end of the positioning connecting pipe is threadedly connected with an extension pipe, the extension pipe includes a plurality of extension joint pipes sequentially threadedly connected, the lower end of the lowermost extension joint pipe is threadedly connected with a sampling pipe, a liquid inlet hole is formed at the lower end of the sampling pipe, and the upper end of each positioning connecting pipe is communicated with the liquid inlet end of the corresponding suction mechanism through a hose.

[0014] Through this setting, the mounting disk of the sampling mechanism is used to centrally install a plurality of positioning connecting pipes. The positioning connecting pipes are positioned by being installed in the mounting holes, and at the same time, the subsequent connection with the extension pipe and the sampling pipe is realized, and it is communicated with the suction mechanism through a hose to realize the suction of groundwater and complete the groundwater sampling. A plurality of suction mechanisms are installed on the lower surface of the fixed disk, and each suction mechanism is communicated with the corresponding positioning connecting pipe through a hose, responsible for the suction sampling and subsequent lofting of groundwater at the corresponding depth. The lofting platform is used to place experimental utensils and receive groundwater samples. The mounting disk and the limiting disk are connected by a limiting rod, which can ensure the overall structure of the sampling mechanism is stable and reliable. The extension pipe is composed of a plurality of extension joint pipes, and different sizes and different numbers of extension joint pipes can be matched according to actual sampling requirements. And because a plurality of sampling pipes are centrally arranged, the suction of groundwater at different depths can be realized at one time, and the layered sampling of groundwater can be realized, effectively solving the problem that the existing sampling device is difficult to collect groundwater samples at different depths at one time, resulting in low sampling efficiency.

[0015] 2. In the present utility model, the suction mechanism includes a water pump installed on the lower surface of the fixed disk. The liquid inlet end of the water pump is communicated with a hose, the liquid outlet end of the water pump is communicated with a liquid storage pipe, the bottom end of the liquid storage pipe is communicated with a liquid discharging head, and a valve for controlling the opening and closing of the liquid discharging head is installed on the liquid storage pipe. Through this setting, the water pump is used to suck groundwater, the liquid storage pipe can temporarily store the groundwater, and the liquid is discharged through the liquid discharging head, which is convenient for subsequent analysis. Since it is inevitable that a small amount of groundwater at other non-sampling depths will enter during the process of lowering the sampling pipe to the corresponding depth, the previously collected groundwater can be discharged first during the sampling process, and then the groundwater collected subsequently can be collected through the liquid storage pipe to improve the purity of the corresponding groundwater sample.

[0016] 3. In the present utility model, the positioning connection pipe includes a pipe body, a positioning disk, and a hose connection seat that are sequentially communicated from bottom to top. The diameter of the positioning disk is larger than the diameter of the installation hole, and the hose connection seat is detachably connected to the hose. Through this setting, the hose connection seat and the hose are detachably connected, which is convenient for the overall disassembly, assembly, and maintenance of the device, and the positioning disk can realize the installation and limitation of the positioning connection pipe.

[0017] 4. In the present utility model, the hose includes a hose body. One end of the hose body is communicated with the liquid inlet end of the water pump, and a hose connection head is installed at the other end of the hose body. Through this setting, the hose connection head is convenient for realizing a detachable connection with the hose connection seat and is convenient for connecting with different positioning connection pipes.

[0018] 5. In the present utility model, a handle is further provided on the upper surface of the fixed disk. Through this setting, it is convenient for the auxiliary staff to move and place the whole device.

[0019] 6. In the present utility model, a connecting and fixing rod is further provided on the upper surface of the installation disk. Through this setting, the connecting and fixing rod is convenient for connecting with an external fixing mechanism to ensure the stable position of the installation disk and guarantee the sampling reliability.

[0020] 7. In the present utility model, the installation holes are uniformly arranged in an array on the installation disk. Through this setting, it is convenient to uniformly install the positioning connection pipes on the installation disk, making the structure of the sampling mechanism more compact. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings, where:

[0022] Figure 1Schematic diagram of the sampling mechanism of the present utility model;

[0023] Figure 2 Schematic diagram of the suction mechanism of the present utility model;

[0024] Figure 3 Schematic diagram of the positioning connecting pipe of the present utility model;

[0025] Figure 4 Schematic diagram of the hose of the present utility model;

[0026] Reference signs in the figure: 1 - base, 2 - support column, 3 - fixed disk, 4 - suction mechanism, 41 - water pump, 42 - liquid storage pipe, 43 - liquid discharge head, 44 - valve, 5 - lofting platform, 6 - mounting disk, 7 - limiting disk, 8 - limiting rod, 9 - positioning connecting pipe, 91 - pipe body, 92 - positioning disk, 93 - hose connection seat, 10 - extension pipe section, 11 - sampling pipe, 12 - liquid inlet hole, 13 - hose, 131 - hose body, 132 - hose connection head, 14 - handle, 15 - fixing rod. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, 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 some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the present utility model. 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 scope of protection of the present utility model.

[0029] It should be noted that: reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is customarily placed during use. It is only for the convenience of describing the present utility model and is a simplified description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0031] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0032] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0033] Combined with the specification appendix Figure 1 - Specification appendix Figure 4 ,

[0034] An underground water stratified sampling device for environmental monitoring, comprising a base 1. A support column 2 is arranged on the upper surface of the base 1. A fixed disk 3 is arranged at the top of the support column 2. A plurality of suction mechanisms 4 are installed on the lower surface of the fixed disk 3. A lofting platform 5 is sleeved on the support column 2 below the suction mechanisms 4. A sampling mechanism is also provided. The sampling mechanism includes a mounting disk 6. A limiting disk 7 is arranged in parallel and opposite below the mounting disk 6. A limiting rod 8 is connected between the mounting disk 6 and the limiting disk 7. A plurality of mounting holes are formed in the mounting disk 6. A positioning connecting pipe 9 is installed in the mounting hole. The lower end of the positioning connecting pipe 9 is threadedly connected with an extension pipe. The extension pipe includes a plurality of extension joint pipes 10 that are sequentially threadedly connected. The lower end of the lowermost extension joint pipe 10 is threadedly connected with a sampling pipe 11. A liquid inlet hole 12 is formed at the lower end of the sampling pipe 11. The upper end of each positioning connecting pipe 9 is communicated with the liquid inlet end of the corresponding suction mechanism 4 through a hose 13.

[0035] During the implementation of this embodiment, the mounting disc 6 of the sampling mechanism is used to centrally install a plurality of positioning connection pipes 9. The positioning connection pipes 9 are positioned by being installed in the mounting holes, and at the same time, subsequent connections with the extension pipes and the sampling pipe 11 are realized. Moreover, they are connected to the suction mechanism 4 through the flexible pipe 13 to achieve the suction of groundwater and complete the groundwater sampling. A plurality of suction mechanisms 4 are installed on the lower surface of the fixed disc 3. Each suction mechanism 4 is connected to the corresponding positioning connection pipe 9 through the flexible pipe 13 and is responsible for the suction sampling and subsequent sample placement of groundwater at the corresponding depth. The sample placement platform 5 is used to place experimental vessels and receive groundwater samples. The mounting disc 6 and the limit disc 7 are connected by the limit rod 8, which can ensure the overall structural stability and reliability of the sampling mechanism. The extension pipe is composed of a plurality of extension pipe sections 10. Different sizes and numbers of extension pipe sections 10 can be matched according to actual sampling requirements. And because a plurality of sampling pipes 11 are centrally arranged, the suction of groundwater at different depths can be realized at one time, achieving the layered sampling of groundwater.

[0036] As a preferred embodiment, the suction mechanism 4 includes a water pump 41 installed on the lower surface of the fixed disc 3. The liquid inlet end of the water pump 41 is connected to the flexible pipe 13. The liquid outlet end of the water pump 41 is communicated with a liquid storage pipe 42. The bottom end of the liquid storage pipe 42 is communicated with a liquid discharge head 43. A valve 44 for controlling the opening and closing of the liquid discharge head 43 is installed on the liquid storage pipe 42.

[0037] In this embodiment, the water pump 41 is used to suck groundwater. The liquid storage pipe 42 can temporarily store the groundwater and perform sample placement through the liquid discharge head 43, which is convenient for subsequent analysis. Since it is inevitable that a little groundwater at other non-sampling depths will enter during the process of lowering the sampling pipe 11 to the corresponding depth, the previously collected groundwater can be discharged first during the sampling process, and then the groundwater collected subsequently can be collected through the liquid storage pipe 42 to improve the purity of the corresponding groundwater sample.

[0038] As a preferred embodiment, the positioning connection pipe 9 includes a pipe body 91, a positioning disc 92, and a flexible pipe connection seat 93 that are connected in sequence from bottom to top. The diameter of the positioning disc 92 is larger than the diameter of the mounting hole. The flexible pipe connection seat 93 is detachably connected to the flexible pipe.

[0039] In this embodiment, the flexible pipe connection seat 93 is detachably connected to the flexible pipe 13, which is convenient for the overall disassembly, assembly, and maintenance of the device. The positioning disc 92 can realize the installation and limitation of the positioning connection pipe 9.

[0040] As a preferred embodiment, the flexible pipe 13 includes a flexible pipe body 131. One end of the flexible pipe body 131 is connected to the liquid inlet end of the water pump 41. The other end of the flexible pipe body 131 is installed with a flexible pipe connection head 132.

[0041] In this embodiment, the hose connector 132 facilitates detachable connection with the hose connection base 93, facilitating connection with different positioning connection pipes 9.

[0042] As a preferred embodiment, a handle 14 is further provided on the upper surface of the fixed disk 3.

[0043] In this embodiment, the handle 14 facilitates the auxiliary staff to move and place the whole device.

[0044] As a preferred embodiment, a connecting and fixing rod 15 is further provided on the upper surface of the mounting disk 6.

[0045] In this embodiment, the connecting and fixing rod 15 facilitates connection with an external fixing mechanism, ensuring the stable position of the mounting disk 6 and guaranteeing the sampling reliability.

[0046] As a preferred embodiment, the mounting holes are evenly arranged in an array on the mounting disk 6.

[0047] In this embodiment, the positioning connection pipes 9 are evenly installed on the mounting disk 6, making the structure of the sampling mechanism more compact.

[0048] The above is the embodiment of the present utility model. The foregoing are the various preferred embodiments of the present utility model. If the preferred implementation manners in the various preferred embodiments are not obviously self-contradictory or premised on a certain preferred implementation manner, the various preferred implementation manners can be arbitrarily superimposed and combined for use. The embodiments and the specific parameters in the embodiments are only for clearly expressing the verification process of the utility model, and are not used to limit the patent protection scope of the present utility model. The patent protection scope of the present utility model still takes its claims as the criterion. All equivalent structural changes made by using the description and drawings of the present utility model should, by the same token, be included in the protection scope of the present utility model.

Claims

1. An underground water stratified sampling device for environmental monitoring, characterized in that It includes a base (1). On the upper surface of the base (1), there is a support column (2). At the top of the support column (2), there is a fixing plate (3). On the lower surface of the fixing plate (3), a plurality of suction mechanisms (4) are installed. A lofting platform (5) is sleeved on the support column (2) below the suction mechanism (4). A sampling mechanism is also provided. The sampling mechanism includes a mounting plate (6). Below the mounting plate (6), a limiting plate (7) is arranged in parallel and facing each other. A limiting rod (8) is connected between the mounting plate (6) and the limiting plate (7). A plurality of mounting holes are formed in the mounting plate (6). A positioning connecting pipe (9) is installed in the mounting hole. The lower end of the positioning connecting pipe (9) is threadedly connected with an extension pipe. The extension pipe includes a plurality of extension joint pipes (10) threadedly connected in sequence. The lower end of the lowermost extension joint pipe (10) is threadedly connected with a sampling pipe (11). The lower end of the sampling pipe (11) is provided with a liquid inlet hole (12). The upper end of each positioning connecting pipe (9) is communicated with the liquid inlet end of the corresponding suction mechanism (4) through a hose (13).

2. The underground water layer sampling device for environmental monitoring according to claim 1, characterized in that, The suction mechanism (4) includes a water pump (41) installed on the lower surface of the fixing plate (3). The liquid inlet end of the water pump (41) is communicated with the hose (13). The liquid outlet end of the water pump (41) is communicated with a liquid storage pipe (42). The bottom end of the liquid storage pipe (42) is communicated with a liquid discharging head (43). A valve (44) for controlling the opening and closing of the liquid discharging head (43) is installed on the liquid storage pipe (42).

3. The underground water stratified sampling device for environmental monitoring according to claim 2, characterized in that, The positioning connecting pipe (9) includes a pipe body (91), a positioning disk (92), and a hose connecting seat (93) that are communicated with each other from bottom to top. The diameter of the positioning disk (92) is larger than the diameter of the mounting hole. The hose connecting seat (93) is detachably connected to the hose.

4. A device for underground water stratified sampling for environmental monitoring according to claim 3, characterized in that, The hose (13) includes a hose body (131). One end of the hose body (131) is communicated with the liquid inlet end of the water pump (41). The other end of the hose body (131) is provided with a hose connecting head (132).

5. An underground water stratified sampling device for environmental monitoring according to claim 1, characterized in that, A handle (14) is further arranged on the upper surface of the fixing plate (3).

6. The underground water stratified sampling device for environmental monitoring according to claim 1, wherein, A connecting and fixing rod (15) is further arranged on the upper surface of the mounting plate (6).

7. The underground water stratified sampling device for environmental monitoring according to claim 1, characterized in that, The mounting holes are evenly arranged in an array on the mounting plate (6).

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