Groundwater level monitoring device

Abstract

The application provides a groundwater level monitoring device, which comprises a support, a rotating drum, a floating block and a distance measuring assembly; the support is used for being fixed on the ground and has a supporting arm and a limiting member on it; the rotating drum is rotatably arranged on the lower side of the supporting arm and is drivingly connected with a rotating driving member; the rotating drum has a plurality of water passing holes which are in communication with the inside of the rotating drum and are used for passing underground water to form a liquid surface in the rotating drum; the floating block is arranged in the rotating drum and is used for floating on the liquid surface; the floating block is connected with a traction rope which is connected with a winding member used for driving the traction rope to move upward; the distance measuring assembly is arranged between the floating block and the supporting arm and is used for detecting the distance between the floating block and the supporting arm. When the rotating drum is driven to rotate by the rotating driving member, the impurities adhered to the surface of the rotating drum can be thrown out by centrifugal force, so as to prevent the water passing holes from being blocked. The groundwater level monitoring device provided by the application avoids the influence of impurities in underground water and ensures the reliability of the monitoring result of the depth of the underground water level.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of groundwater monitoring, and particularly relates to a groundwater level monitoring device. BACKGROUND

[0002] With the development of the economy of China, the exploitation and utilization rate of groundwater resources is rapidly improved, and at the same time, it is particularly necessary to strengthen the supervision and prevention and control of the depth of groundwater level.

[0003] In the prior art, the depth of groundwater level is usually monitored by using a pipe insertion method, specifically, a hollow pipe is inserted into a drill hole in communication with groundwater, so that the groundwater flows into the pipe from the lower end of the pipe until the liquid surface in the pipe is flush with the groundwater surface; then, the floating objects in the pipe are released so as to fall on the liquid surface; finally, the distance between the floating objects and the ground is detected by using a related sensor to obtain the monitoring value of the depth of groundwater level.

[0004] The inventor finds that the groundwater environment is special, and impurities often block the pipe, which causes the liquid surface in the pipe to be unable to be flush with the groundwater surface, and affects the accuracy of the monitoring result. CONTENT OF THE UTILITY MODEL

[0005] Embodiments of the application provide a groundwater level monitoring device, which aims to avoid the influence of impurities in the groundwater and ensure the reliability of the monitoring result of the depth of groundwater level.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the application is as follows:

[0007] Provided is a groundwater level monitoring device, which comprises:

[0008] a support for being fixed on the ground; the support has a support arm extending in the horizontal direction, and a limiting member for being connected with a drill hole to limit the movement of the support;

[0009] a rotating drum arranged at the lower side of the support arm and having an axial direction parallel to the up-down direction; the rotating drum is rotationally connected with the support arm in the up-down direction, and is drivingly connected with a rotating driving member for driving the rotation of the rotating drum; the rotating drum is arranged to be inserted into the drill hole, and has a plurality of water passing holes arranged at intervals in the circumferential direction of the rotating drum and for allowing the groundwater to pass through;

[0010] a floating block arranged in the rotating drum and for floating on the water surface; the floating block is connected with a traction belt, and the traction belt is connected with a winding member for driving the upward movement of the traction belt; and

[0011] a distance measuring assembly arranged between the floating block and the support arm and for detecting the distance between the floating block and the support arm.

[0012] In a possible implementation, the support arm and the rotating drum are connected through a detachable connection structure, which comprises:

[0013] A positioning cylinder is fixedly arranged on the lower side of the support arm, and has an upper mounting disc extending radially outward at the lower end thereof;

[0014] A lower mounting disc is fixedly connected to the rotating drum and coaxially arranged with the rotating drum; and

[0015] A positioning shell is coaxially arranged on the rotating drum and connected with the lower mounting disc; the positioning shell is connected with a limiting plate arranged on the positioning cylinder and connected with the upper mounting disc.

[0016] In a possible implementation, the positioning shell has a lower butt joint hole extending through in the up-down direction, and the limiting plate has an upper butt joint hole adapted to communicate with the lower butt joint hole; and the positioning shell further comprises:

[0017] A butt joint bolt is inserted into the lower butt joint hole and the upper butt joint hole in communication with each other, and is threadedly connected with a anti-loosening nut, so that the head of the butt joint bolt and the anti-loosening nut abut against the positioning shell and the limiting plate respectively, and limit the separation of the positioning shell and the limiting plate.

[0018] In a possible implementation, the support arm has a reserved hole for the traction belt to pass through, and the winding member comprises:

[0019] A winding roller is arranged in rotation on the support frame in the horizontal direction; and

[0020] A first rotating motor is fixedly arranged on the support frame and drivingly connected with the winding roller;

[0021] The traction belt is wound around the outer periphery of the winding roller, and one end of the traction belt is connected with the winding roller.

[0022] In a possible implementation, the traction belt has two, and the two traction belts are arranged side by side along the axial direction of the winding roller.

[0023] In a possible implementation, the lower end of the rotating drum has a plurality of spoiler fins arranged at intervals in the circumferential direction.

[0024] In a possible implementation, the rotating driving member comprises:

[0025] A driven gear is fixedly connected to the rotating drum and coaxially arranged with the rotating drum; and

[0026] A driving roller is rotatably arranged on the support arm and is drivingly connected with a second rotating motor for driving the rotation of the driving roller.

[0027] In a possible implementation, the support frame comprises:

[0028] Two support plates are arranged on the ground and are respectively arranged on two sides of the drill hole; and

[0029] A top plate is arranged on the upper side of the support plates and is fixedly connected with the two support plates.

[0030] The support arm is arranged on the lower side of the top plate and is connected with the two support plates at two ends thereof.

[0031] In a possible implementation, the limiting member comprises:

[0032] Two coaxially arranged adjusting screws are slidingly connected with the two support plates; two limiting nuts are threadedly connected with each adjusting screw, and the two limiting nuts are arranged on the two sides of the corresponding support plate to limit the movement of the adjusting screw relative to the support plate; and

[0033] Two vertical rods are connected with the two adjusting screws and are arranged in the drill hole and abut against the inner wall of the drill hole.

[0034] In a possible implementation, the two vertical rods are connected with anti-skid pads on the opposite sides thereof.

[0035] In the embodiment, the fixing position of the support frame is determined by the limiting member abutting against the drill hole; on this basis, a rotating drum with a proper length is selected and is arranged in the drill hole, so that the underground water enters the rotating drum through the plurality of water holes and the liquid level in the rotating drum is consistent with the liquid level of the underground water.

[0036] By adjusting the winding member, the traction belt can be released to a relaxed state, so that the floating block floats on the liquid surface; in this state, the value obtained by the distance measuring assembly is the distance between the liquid surface of the underground water and the support arm, and the depth of the underground water level can be calculated.

[0037] In the process of monitoring the underground water level, the rotating drum is rotated by rotating the driving member, so that the impurities attached to the surface of the rotating drum are thrown out by the centrifugal force to prevent the water holes from being blocked.

[0038] Compared with the prior art, the underground water level monitoring device provided by the embodiment can avoid the influence of impurities in the underground water and ensure the reliability of the monitoring result of the depth of the underground water level. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0040] Figure 1 This is one of the three-dimensional structural schematic diagrams of the groundwater level monitoring device provided in the embodiments of this application;

[0041] Figure 2 for Figure 1 A magnified view of a portion of the middle circle A;

[0042] Figure 3 This is the second three-dimensional structural schematic diagram of the groundwater level monitoring device provided in the embodiments of this application;

[0043] Figure 4 This is a three-dimensional structural diagram of the rotating drum used in the embodiments of this application;

[0044] Figure 5 This is a schematic diagram of the ranging component and support arm used in the embodiments of this application from an explosion perspective;

[0045] Figure 6 This is a partially enlarged schematic diagram of the detachable connection structure used in the embodiments of this application from a cross-sectional perspective;

[0046] Figure 7 This is a schematic diagram of the alignment shell and limiting plate used in the embodiments of this application from an exploded view.

[0047] Figure 8 This is a partially enlarged schematic diagram of the rotating drum and floating block used in the embodiments of this application from a cross-sectional perspective;

[0048] Figure 9 This is a three-dimensional structural diagram of the winding component used in the embodiments of this application;

[0049] Figure 10 This is a schematic diagram of the support plate and limiting components used in the embodiments of this application from an exploded view.

[0050] Figure 11 This is a structural schematic diagram of the support plate and limiting member used in the embodiments of this application from a cross-sectional perspective;

[0051] Label explanation: 1, support; 11, support plate; 12, top plate; 2, rotating drum; 21, water hole; 22, spoiler; 3, floating block; 31, traction belt; 4, distance measuring assembly; 5, support arm; 51, reserved hole; 6, limiting member; 61, adjusting screw; 611, limiting nut; 62, vertical rod; 621, non-slip pad; 7, rotating drive member; 71, driven gear; 72, drive roller; 721, second rotating motor; 722, driving gear; 8, winding member; 81, winding roller; 82, first rotating motor; 9, detachable connection structure; 91, positioning cylinder; 911, upper mounting disc; 92, lower mounting disc; 93, alignment shell; 931, lower butt joint hole; 932, butt joint bolt; 933, anti-loose nut; 10, limiting plate; 101, upper butt joint hole. DETAILED DESCRIPTION

[0052] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0053] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0054] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0055] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0056] Please refer to Figures 1 to 11 , the underground water level monitoring device provided by the present application will be described. The underground water level monitoring device provided by the present application comprises a support 1, a rotating drum 2, a floating block 3 and a distance measuring assembly 4.

[0057] The support 1 is used for fixing on the ground and is located directly above the borehole; the support 1 has a support arm 5 extending in the horizontal direction and a limiting member 6 used for connecting with the borehole to limit the movement of the support 1.

[0058] The rotary drum 2 is arranged at the lower side of the support arm 5 and has an axial direction parallel to the up-down direction; the rotary drum 2 is rotationally connected with the support arm 5 in the up-down direction and is drivingly connected with a rotary driving member 7 used for driving the rotary drum 2 to rotate.

[0059] In actual use, the rotary drum 2 is used for inserting into the borehole, and the surface of the rotary drum 2 has a plurality of water passing holes 21 arranged at intervals in the circumferential direction and used for allowing the underground water to pass through.

[0060] The floating block 3 is arranged in the rotary drum 2 and is used for floating on the water surface; the floating block 3 is connected with a traction belt 31, and the traction belt 31 is connected with a winding member 8 used for driving the floating block 3 to move upward.

[0061] The distance measuring assembly 4 is arranged between the floating block 3 and the support arm 5 and is used for detecting the distance between the floating block 3 and the support arm 5.

[0062] In the embodiment, the fixing position of the support 1 can be determined by connecting the limiting member 6 with the borehole; on this basis, the rotary drum 2 with an appropriate length is selected and is inserted into the borehole, so that the underground water can pass through the plurality of water passing holes 21 into the rotary drum 2 and the liquid level height in the rotary drum 2 is kept consistent with the liquid level height of the underground water.

[0063] By adjusting the winding member 8, the traction belt 31 can be released to a slack state, so that the floating block 3 floats on the liquid surface; in this state, the value obtained by the distance measuring assembly 4 is the distance between the liquid surface of the underground water and the support arm 5, and the depth value of the underground water level can be obtained through calculation.

[0064] In the process of monitoring the underground water level, the rotary drum 2 is driven to rotate by the rotary driving member 7, so that the impurities adhered to the surface of the rotary drum 2 can be thrown out by the centrifugal force to prevent the water passing holes 21 from being blocked.

[0065] Compared with the prior art, the underground water level monitoring device provided by the embodiment can avoid the influence of impurities in the underground water and ensure the reliability of the monitoring result of the depth of the underground water level.

[0066] In some embodiments, as shown in Figs. Figure 6 and Figure 7 The support arm 5 and the rotary drum 2 are connected through a detachable connection structure 9; in the embodiment, the detachable connection structure 9 includes a positioning cylinder 91, a lower mounting disc 92 and a counterposition shell 93.

[0067] The positioning cylinder 91 is fixedly arranged on the lower side of the support arm 5, and has an upper mounting disc 911 extending radially outward at the lower end thereof.

[0068] The lower mounting disc 92 is fixedly connected to the rotary drum 2, and is coaxially arranged with the rotary drum 2.

[0069] The alignment shell 93 is coaxially arranged on the rotary drum 2, and is connected with the lower mounting disc 92; the alignment shell 93 is connected with a limiting plate 10 which is coaxially arranged on the positioning cylinder 91 and connected with the upper mounting disc 911.

[0070] By adopting the above technical scheme, after the alignment shell 93 and the limiting plate 10 are connected, the alignment shell 93 and the limiting plate 10 abut against the upper mounting disc 911 and the lower mounting disc 92 respectively to limit the separation of the two, thereby realizing the rotary connection relationship between the support arm 5 and the rotary drum 2.

[0071] In some embodiments, as shown in Figure 7 the alignment shell 93 has a lower butt joint hole 931 extending through in the up-down direction, and the limiting plate 10 is provided with an upper butt joint hole 101 which is adapted to communicate with the lower butt joint hole 931.

[0072] In the embodiment, the alignment shell 93 further comprises a butt joint bolt 932.

[0073] The butt joint bolt 932 is inserted into the lower butt joint hole 931 and the upper butt joint hole 101 which are in communication, and is threadedly connected with a anti-loosening nut 933, so that the head of the butt joint bolt 932 and the anti-loosening nut 933 abut against the alignment shell 93 and the limiting plate 10 respectively to limit the separation of the alignment shell 93 and the limiting plate 10.

[0074] In some embodiments, as shown in Figure 5 and Figure 9 the support arm 5 is provided with a reserved hole 51 for the traction belt 31 to pass through, based on which, the aforementioned winding member 8 comprises a winding roller 81 and a first rotary motor 82.

[0075] The winding roller 81 is arranged in a horizontal direction on the support frame 1; specifically, the winding roller 81 is arranged above the support frame 1, and both ends of the winding roller 81 are provided with a vertical plate which is rotatably connected thereto, and both vertical plates are fixedly connected with the support frame 1.

[0076] The first rotary motor 82 is fixedly arranged on the support frame 1, and the power output shaft thereof is parallel to the axial direction of the winding roller 81, and the power output shaft of the first rotary motor 82 is coaxially connected with the winding roller 81.

[0077] In the embodiment, the traction belt 31 is wound around the outer periphery of the winding roller 81, and one end thereof is connected with the winding roller 81.

[0078] In some embodiments, as shown in Figure 6 andFigure 9 As shown in the drawings, the traction belts 31 are two, and the two traction belts 31 are arranged in parallel along the axial direction of the winding roller 81 to ensure the stability of the traction effect on the floating block 3.

[0079] In some embodiments, as shown in the drawings, Figure 3 As shown in the drawings, the lower end of the rotating drum 2 has a plurality of spoilers 22 arranged in a circumferential direction, which increases the centrifugal force generated by the rotating drum 2, so that a vortex can be formed when the rotating drum 2 rotates, and the impurities attached to the surface of the rotating drum 2 can be effectively thrown out.

[0080] In some embodiments, as shown in the drawings, Figure 3 As shown in the drawings, the rotating drive member 7 includes a driven gear 71 and a drive roller 72.

[0081] The driven gear 71 is fixedly connected to the rotating drum 2, and is coaxially arranged with the rotating drum 2.

[0082] The drive roller 72 is rotatably arranged on the support arm 5, and is drivingly connected with a second rotating motor 721 for driving the rotation thereof; and the drive roller 72 is provided with a driving gear 722 engaged with the driven gear 71, so that when the second rotating motor 721 drives the drive roller 72 to rotate, the driving gear 722 drives the driven gear 71 to rotate, so as to achieve the purpose of driving the rotation of the rotating drum 2.

[0083] In some embodiments, as shown in the drawings, Figure 3 As shown in the drawings, the support frame 1 includes two support plates 11 and a top plate 12.

[0084] The two support plates 11 are used to be fixed on the ground, and are respectively located on both sides of the drill hole.

[0085] The top plate 12 is arranged on the upper side of the support plates 11, and is fixedly connected with the two support plates 11 to form a gate-shaped frame structure.

[0086] In this embodiment, the aforementioned support arm 5 is arranged on the lower side of the top plate 12, and the two ends thereof are respectively connected with the two support plates 11.

[0087] In some embodiments, as shown in the drawings, Figure 10 and Figure 11 As shown in the drawings, the limiting member 6 includes two adjusting screws 61 and two vertical rods 62.

[0088] The two adjusting screws 61 are coaxially arranged, and are respectively slidingly connected to the two support plates 11; wherein two limiting nuts 611 are threadedly connected to each adjusting screw 61, and the two limiting nuts 611 are respectively abutted against the two sides of the corresponding support plate 11 to limit the movement of the adjusting screw 61 relative to the support plate 11.

[0089] The two vertical rods 62 are connected with the two adjusting screws 61 respectively, and are used for being inserted into the drill hole, and making the two vertical rods 62 abut against the inner circumferential wall of the drill hole.

[0090] In some embodiments, as shown in Figure 10 and Figure 11 , the two vertical rods 62 are connected with the anti-skid pads 621 on the opposite sides respectively, which are used for abutting against the inner circumferential wall of the drill hole, so as to prevent the vertical rods 62 and the inner circumferential wall of the drill hole from sliding, and causing the instability of the support 1.

[0091] The above merely provides the preferred embodiments of the present application, but not for limiting the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A groundwater level monitoring device, characterized in that, include: A bracket for fixing to the ground; the bracket has a support arm extending in a horizontal direction and a limiting member for engaging with a borehole to restrict movement of the bracket. A rotating drum is disposed on the lower side of the support arm, and its axis is parallel to the vertical direction; the rotating drum is rotatably connected to the support arm in the vertical direction, and is driven by a rotating drive component for driving its rotation; the rotating drum is used to insert into a borehole, and its surface has multiple water passage holes spaced along its circumference for groundwater to pass through. A floating block, disposed within the rotating drum, is used to float on the water surface; the floating block is connected to a traction belt, and the traction belt is connected to a winding member for moving it upwards; and A ranging component is disposed between the floating block and the support arm for detecting the distance between the floating block and the support arm.

2. The groundwater level monitoring device as described in claim 1, characterized in that, The support arm and the rotating drum are connected by a detachable connection structure, which includes: A positioning cylinder is fixedly disposed on the lower side of the support arm, and its lower end has an upper mounting plate extending radially outward therefrom; A lower mounting plate is fixedly connected to the rotating drum and is coaxially arranged with the rotating drum; and The alignment shell is coaxially sleeved on the rotating cylinder and is connected to the lower mounting plate; a limiting plate is connected to the alignment shell, which is sleeved on the positioning cylinder and connected to the upper mounting plate.

3. The groundwater level monitoring device as described in claim 2, characterized in that, The alignment shell has a lower docking hole that runs through the vertical direction, and the limiting plate has an upper docking hole that is suitable for communicating with the lower docking hole. Furthermore, the alignment shell also includes: The mating bolt is inserted into the interconnected lower mating hole and the upper mating hole, and its thread is connected with an anti-loosening nut, so that the head of the mating bolt and the anti-loosening nut respectively abut against the alignment shell and the limiting plate, and restrict the separation of the alignment shell and the limiting plate.

4. The groundwater level monitoring device as described in claim 1, characterized in that, The support arm has a reserved hole for the traction belt to pass through, and the winding component includes: The take-up roller is rotatably mounted on the support in a horizontal direction; and The first rotating motor is fixedly mounted on the bracket and is connected to the winding roller via a transmission. The traction belt is wound around the outer periphery of the take-up roller, and one end of it is connected to the take-up roller.

5. The groundwater level monitoring device as described in claim 4, characterized in that, The traction belt has two belts, and the two traction belts are arranged side by side along the axial direction of the take-up roller.

6. The groundwater level monitoring device as described in claim 1, characterized in that, The lower end of the rotating drum has multiple baffles spaced circumferentially.

7. The groundwater level monitoring device as described in claim 1, characterized in that, The rotation drive component includes: Driven gear, fixedly connected to the rotating drum, and coaxially arranged with the rotating drum; and A drive roller is rotatably mounted on the support arm and is connected to a second rotary motor for driving its rotation; and a drive gear that meshes with the driven gear is provided on the drive roller.

8. The groundwater level monitoring device as described in claim 1, characterized in that, The support includes: Two support plates, for fixing to the ground, are located on either side of the drill hole; and A top plate is disposed on the upper side of the support plates and is fixedly connected to the two support plates; The support arm is located on the underside of the top plate, and its two ends are respectively connected to the two support plates.

9. The groundwater level monitoring device as described in claim 8, characterized in that, The limiting component includes: Two coaxial adjusting screws are slidably connected to the two support plates respectively; each adjusting screw is threaded with two limiting nuts, which respectively abut against the two sides of the corresponding support plate to limit the movement of the adjusting screw relative to the support plate; and Two uprights are connected to the two adjusting screws respectively, and both are used to insert into the drill hole, so that both uprights abut against the inner peripheral wall of the drill hole.

10. The groundwater level monitoring device as described in claim 9, characterized in that, Both uprights have anti-slip pads attached to their opposite sides for contact with the inner wall of the borehole.

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