Wellhead protection device for underground water monitoring

Abstract

The utility model discloses a wellhead protection device for underground water monitoring, which comprises a fixing ring, a first mounting ring arranged in the fixing ring and a plurality of sliding rods uniformly arranged along the circumferential direction of the fixing ring, one end of the inner side of each sliding rod is in sliding connection with the first mounting ring, and one end of the outer side of each sliding rod is in sliding connection with the fixing ring. The multiple sliding rods are connected through canvas, and the two sliding rods at the opening end of the canvas are connected through a connecting mechanism. When underground water detection needs to be carried out, the protection device needs to be opened, the multiple sliding rods can be gathered together, canvas between the adjacent sliding rods is folded together, underground water can be conveniently sampled during underground water detection, after sampling is finished, the multiple sliding rods can be distributed in the first mounting ring at equal intervals, the canvas is unfolded, and the sampling efficiency is improved. Meanwhile, fallen leaves can be prevented from entering the well, and the underground water monitoring well is prevented from being blocked.

Description

Technical Field

[0001] This utility model relates to the field of groundwater management, specifically a wellhead protection device for groundwater monitoring. Background Technology

[0002] Groundwater monitoring is a crucial means of protecting groundwater resources and preventing groundwater pollution. Monitoring includes water level monitoring, water quality monitoring, water quantity monitoring, and water temperature monitoring. Water level monitoring: Using equipment such as water level gauges, real-time changes in groundwater levels are monitored to understand the dynamic situation of groundwater and provide a basis for the rational development and utilization of water resources. Water quality monitoring: Various chemical components in groundwater, such as heavy metals, organic matter, and inorganic salts, as well as indicators such as pH and dissolved oxygen, are monitored to promptly detect groundwater pollution. Water quantity monitoring: The extraction and recharge of groundwater are measured to understand the balance of groundwater resources. Water temperature monitoring: Monitoring changes in groundwater temperature helps to understand the thermodynamic properties of groundwater and the extent of thermal pollution.

[0003] Groundwater monitoring wells are important facilities used to monitor groundwater levels, water quality, and temperature. However, groundwater monitoring wells need to be equipped with wellhead safety protection devices to prevent people from accidentally stepping into them.

[0004] There is a patent application with application number 202123125758.2 entitled "A Wellhead Safety Protection Device for Groundwater Monitoring Wells", which relates to the field of groundwater management technology. It includes a fixed ring with a groove on its outer surface and a protective mechanism inside the fixed ring. The protective mechanism includes an installation ring connected to the inside of the fixed ring, and a sliding rod is slidably installed inside the installation ring.

[0005] However, the above solution has the following problems: 1. After the sliding rods are fully opened, the interval between the sliding rods is difficult to control. If the interval is too large, people are likely to step into the well after stepping on them. 2. Fallen leaves and other debris are likely to fall into the well, which will cause the groundwater monitoring well to become blocked over time. Utility Model Content

[0006] The purpose of this invention is to solve the above problems and provide a wellhead protection device for groundwater monitoring, which ensures that the interval between the sliding rods is fixed and prevents fallen leaves from entering the groundwater monitoring well.

[0007] The technical solution adopted by this utility model to solve its technical problem is:

[0008] A wellhead protection device for groundwater monitoring includes a fixed ring, a first mounting ring disposed inside the fixed ring, and a plurality of sliding rods evenly arranged along the circumference of the fixed ring. One end of the inner side of the sliding rod is slidably connected to the first mounting ring, and one end of the sliding rod is slidably connected to the fixed ring. The plurality of sliding rods are connected by a canvas, and two sliding rods at the open end of the canvas are connected by a connecting mechanism.

[0009] Furthermore, a first connecting ring that mates with the first mounting ring is provided at one end of the inner side of the slide rod.

[0010] Furthermore, a second mounting ring is provided on the inner wall of the fixed ring, and a second connecting ring that cooperates with the second mounting ring is provided at one end of the outer side of the slide rod.

[0011] Furthermore, the inner wall of the fixing ring is provided with a groove, and the second mounting ring is fixed in the groove.

[0012] Furthermore, the second mounting ring is symmetrically provided with arc-shaped blocks, and the ends of the sliding rods on both sides of the right arc-shaped block are fixedly connected to the corresponding sides of the arc-shaped block.

[0013] Furthermore, the connecting mechanism includes a sleeve and connecting rods symmetrically arranged on both sides of the sleeve. One connecting rod is fixedly connected to the corresponding side of the sleeve, and the other connecting rod extends into the sleeve and slides inside the sleeve. A baffle is provided at one end of the connecting rod that extends into the sleeve, and a compression spring is provided on the connecting rod. One end of the compression spring contacts the baffle, and the other end of the compression spring contacts the inner wall of the sleeve. A hook is provided at one end of the outer side of both connecting rods.

[0014] Furthermore, each slide bar at the open end of the canvas is provided with a connecting buckle that connects to the corresponding hook.

[0015] The beneficial effects of this utility model are:

[0016] 1. In this utility model, several sliding rods are connected by canvas, and two sliding rods at the open ends of the canvas are connected by a connecting mechanism. When groundwater testing is required, the protective device needs to be opened, allowing multiple sliding rods to be gathered together. The canvas between adjacent sliding rods is folded together to facilitate groundwater sampling. After sampling, the multiple sliding rods can be redistributed equidistantly inside the first mounting ring, and the canvas is unfolded to prevent personnel from falling into the well and to prevent fallen leaves from entering the well, thus preventing blockage of the groundwater monitoring well. By setting canvas between adjacent sliding rods, the number of sliding rods can be reduced. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle;

[0020] Figure 3 This is a cross-sectional view of the connecting mechanism of this utility model.

[0021] In the diagram: 1. Fixing ring; 2. First mounting ring; 3. Slide rod; 4. Canvas; 5. First connecting ring; 6. Second mounting ring; 7. Second connecting ring; 8. Arc-shaped block; 9. Sleeve; 10. Connecting rod; 11. Baffle; 12. Compression spring; 13. Hook; 14. Connecting buckle. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0023] like Figure 1 As shown, a wellhead protection device for groundwater monitoring includes a fixed ring 1, a first mounting ring 2 disposed inside the fixed ring 1, and a plurality of sliding rods 3 evenly arranged along the circumference of the fixed ring 1. One inner end of each sliding rod 3 is slidably connected to the first mounting ring 2, and the outer end of each sliding rod 3 is slidably connected to the fixed ring 1. The sliding rods 3 are connected by a canvas 4, and two sliding rods 3 at the open ends of the canvas 4 are connected by a connecting mechanism. When groundwater testing is required, the protection device needs to be opened to gather the sliding rods together. The canvas between adjacent sliding rods is folded together to facilitate groundwater sampling. After sampling, the sliding rods can be redistributed equidistantly inside the first mounting ring, and the canvas is unfolded to prevent personnel from falling into the well and to prevent fallen leaves from entering and clogging the groundwater monitoring well. By placing canvas between adjacent sliding rods, the number of sliding rods can be reduced.

[0024] like Figure 1As shown, one end of the inner side of the slide rod 3 is provided with a first connecting ring 5 that cooperates with the first mounting ring 2, and the first connecting ring 5 can slide on the first mounting ring 2.

[0025] like Figure 1 As shown, a second mounting ring 6 is provided on the inner wall of the fixed ring 1, and a second connecting ring 7 that cooperates with the second mounting ring 6 is provided on one side of the slide rod 3. The second connecting ring 7 slides on the second mounting ring 6. At the same time, when a person steps on the slide rod, the slide rod will swing down a short distance, and the second connecting ring 7 will rotate on the second mounting ring 6. The outer end of the slide rod will not deform.

[0026] like Figure 1 As shown, the inner wall of the fixing ring 1 is provided with a groove, and the second mounting ring 6 is fixed in the groove.

[0027] like Figure 1 As shown, the second mounting ring 6 is symmetrically provided with arc-shaped blocks 8, which are fixed to the bottom of the groove. The ends of the sliding rods 3 on both sides of the right arc-shaped block 8 are fixedly connected to the corresponding sides of the arc-shaped block 8. After prolonged use, the canvas will become stiffer, requiring more force to bend or unfold. By fixing the sliding rods 3 on both sides of the arc-shaped block, the canvas can be opened to the sides, reducing the force required for opening.

[0028] like Figure 2 and Figure 3 As shown, the connecting mechanism includes a sleeve 9 and connecting rods 10 symmetrically arranged on both sides of the sleeve 9. One connecting rod 10 is fixedly connected to the corresponding side of the sleeve 9, and the other connecting rod 10 extends into the sleeve 9 and slides within the sleeve 9. A baffle 11 is provided at one end of the connecting rod 10 extending into the sleeve 9, and a compression spring 12 is provided on the connecting rod 10. One end of the compression spring 12 contacts the baffle 11, and the other end of the compression spring 12 contacts the inner wall of the sleeve 9. Hooks 13 are provided at one end of the outer side of both connecting rods 10. After the canvas is unfolded, the hooks 13 at the outer side of the connecting rods 10 are connected to the corresponding sliding rods. When connected, the connecting rods 10 can be pulled to overcome the elastic force of the compression springs and unfold, thereby realizing the hooking operation.

[0029] like Figure 2 As shown, each of the slide bars 3 at the open end of the canvas 4 is provided with a connecting buckle 14 that is connected to the corresponding hook 13.

[0030] In the description of this utility model, it should be noted that the terms "left", "right", "up", "down", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A wellhead protection device for groundwater monitoring, comprising a fixing ring (1), a first mounting ring (2) arranged inside the fixing ring (1), a plurality of slide rods (3) arranged uniformly along the circumferential direction of the fixing ring (1), one end of the inner side of the slide rod (3) being in sliding connection with the first mounting ring (2), and one end of the outer side of the slide rod (3) being in sliding connection with the fixing ring (1), characterized in that, Several slide rods (3) are connected by canvas (4), the two slide rods (3) between the open end of canvas (4) are connected by connecting mechanism.

2. A wellhead protector for monitoring groundwater as claimed in claim 1, wherein, The inner side of the slide rod (3) is provided with a first connecting ring (5) matched with the first mounting ring (2).

3. A wellhead protector for monitoring groundwater as claimed in claim 1, wherein, The inner wall of the fixed ring (1) is provided with a second mounting ring (6), and the outer side of the slide rod (3) is provided with a second connecting ring (7) matched with the second mounting ring (6).

4. A wellhead protector for monitoring groundwater as claimed in claim 3, wherein, The inner wall of the fixed ring (1) is provided with a groove, and the second mounting ring (6) is fixed in the groove.

5. A wellhead protector for monitoring groundwater as claimed in claim 3, wherein, The second mounting ring (6) is provided with arc blocks (8) symmetrically, and the end of the slide rod (3) on the right side of the arc block (8) is fixedly connected with the side surface of the corresponding arc block (8).

6. A wellhead protector for monitoring groundwater as set forth in claim 1, wherein, The connecting mechanism includes a sleeve (9) and connecting rods (10) symmetrically arranged on both sides of the sleeve (9), one of the connecting rods (10) is fixedly connected with the corresponding side surface of the sleeve (9), the other connecting rod (10) is deeply inserted into the sleeve (9) and slides in the sleeve (9), one end of the connecting rod (10) deeply inserted into the sleeve (9) is provided with a baffle (11), a compression spring (12) is arranged on the connecting rod (10), one end of the compression spring (12) is in contact with the baffle (11), the other end of the compression spring (12) is in contact with the inner wall of the sleeve (9), and the outer side of the two connecting rods (10) is provided with hooks (13).

7. A wellhead protector for monitoring groundwater as claimed in claim 6, wherein, The slide rod (3) at the open end of the canvas (4) is provided with a connecting buckle (14) connected with the corresponding hook (13).

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