Water level gauge mounting sleeve for hydrological survey

Abstract

The utility model provides a water level gauge mounting sleeve for hydrological survey. The water level gauge mounting sleeve comprises a sleeve body, a flow guide conical head and a filtering assembly. According to the technical scheme, the installation resistance is reduced through the flow guide conical head and the flow guide structure on the outer wall of the sleeve, impurities are intercepted through the detachable double-layer filter screen, and meanwhile the stability of the water level gauge is guaranteed through the elastic fixing support. The device has the advantages of efficient installation, accurate filtration and convenient maintenance, and is suitable for long-term monitoring of river channels, lakes and underground water.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrological observation equipment technical field, specifically, especially relates to a water level gauge installation sleeve for hydrological observation. BACKGROUND

[0002] In hydrological observation, the water level gauge is important equipment for measuring water level change of water body. The installation environment of the water level gauge is usually complex, especially in the wild or natural water body such as river and lake, the water level gauge is easily disturbed by soil, silt, sundries and the like, leading to inaccurate measurement data or equipment damage. The existing water level gauge installation sleeve has the following problems:

[0003] 1. Large falling resistance: soil or sundries easily block the installation path, leading to the sleeve failing to reach the predetermined depth;

[0004] 2. Impurity interference: silt, suspended matter and the like enter the sleeve interior, affecting the measurement accuracy of the water level gauge;

[0005] 3. Difficulty in taking out: the sleeve is difficult to take out after being buried due to soil adsorption or structural design defects, affecting maintenance or repeated use.

[0006] Therefore, a sleeve that has anti-blocking and filtering functions and is convenient to take out and reinstall is urgently needed. CONTENT OF THE UTILITY MODEL

[0007] In order to make up for the deficiency of the prior art, the utility model provides a water level gauge installation sleeve that can be quickly installed, filter impurities and be easily taken out, solving the problems of easy blockage and difficult maintenance of the traditional device.

[0008] The utility model is realized through the following technical schemes: a water level gauge installation sleeve for hydrological observation, including sleeve main part, flow guide cone head, filter assembly, sleeve main part is hollow cylinder, and is divided into upper section and lower section, the upper section lateral wall of sleeve main part is equipped with multiple water inlets, and the lower section of sleeve main part is equipped with spiral flow guide convex edge, the bottom of sleeve main part is connected with detachable flow guide cone head, the filter assembly includes cylindrical filter screen, and the upper and lower ends of cylindrical filter screen are fixedly installed with upper fixed ring and lower fixed ring respectively, the filter assembly is sleeved in sleeve main part, and the outer diameter thereof is same with the inner diameter of sleeve main part, and the lateral wall top of sleeve main part is provided with symmetrical pull ring.

[0009] As a preferred scheme, the upper fixed ring and the lower fixed ring are oppositely provided with two annular grooves for installing the cylindrical filter screen.

[0010] Further, the cylindrical filter screen adopts double-layer stainless steel filter screen, the outer layer is coarse filter screen with 2-3mm mesh, and the inner layer is fine filter screen with 0.5-1mm mesh.

[0011] As a preferred option, the sleeve body and the guide cone are connected by threads.

[0012] As a preferred option, the pitch of the spiral guide ridge gradually decreases from top to bottom.

[0013] As a preferred option, the outer wall of the sleeve body and the surface of the guide cone are coated with polytetrafluoroethylene.

[0014] This utility model, by adopting the above technical solutions, has the following beneficial effects compared with the prior art: Triple anti-clogging: Spiral guide ridges + cone coating + tapered pitch design, significantly reducing installation resistance; High-efficiency filtration: Double-layer graded filtration structure extends the service life of the filter screen, and spring lock enables quick disassembly and assembly; Convenient maintenance: Modular design makes it easy to replace the filter screen and guide cone, reducing long-term use costs.

[0015] Additional aspects and advantages of this invention will become apparent in the description that follows, or may be learned by practice of this invention. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0017] Fig. 1 This is a cross-sectional structural diagram of the present invention;

[0018] Fig. 2 This is a three-dimensional structural diagram of the upper and lower fixing rings;

[0019] in, Figs. 1-2 The correspondence between the reference numerals and components in the attached drawings is as follows:

[0020] 1. Sleeve body, 2. Guide cone, 3. Filter assembly, 4. Spiral guide rib, 5. Water inlet hole, 6. Cylindrical filter screen, 7. Upper fixing ring, 8. Lower fixing ring, 9. Lifting ear, 10. Annular groove. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0023] The following is combinedFigs. 1-2 A specific description is provided of a water level gauge mounting sleeve for hydrological testing according to an embodiment of this utility model.

[0024] like Fig. 1 , Fig. 2 As shown, this utility model proposes a water level gauge installation sleeve for hydrological testing, including a sleeve body 1, a guide cone 2, and a filter assembly 3. The sleeve body 1 is a hollow cylinder, divided into an upper section and a lower section. Multiple water inlet holes 5 are opened on the side wall of the upper section of the sleeve body 1 for water to enter. The lower section of the sleeve body 1 is provided with a spiral guide rib 4 for cutting soil and guiding debris out. The pitch of the spiral guide rib 4 gradually decreases from top to bottom, enhancing its ability to break up hard soil. A detachable guide cone 2 is connected to the bottom of the sleeve body 1. The cone has a smooth surface and an acute tip to reduce falling resistance. The sleeve body 1 and the guide cone 2 are connected by threads. The filter assembly includes a cylindrical filter screen 6. An upper fixing ring 7 and a lower fixing ring 8 are fixedly installed at the upper and lower ends of the cylindrical filter screen 6, respectively. Two annular grooves 10 are respectively opened on the upper fixing ring 7 and the lower fixing ring 8 for installing the cylindrical filter screen 6. The cylindrical filter screen 6 uses a double-layer stainless steel filter screen. The outer layer is a coarse filter screen with a mesh size of 2-3mm, and the inner layer is a fine filter screen with a mesh size of 0.5-1mm. The filter assembly is fitted inside the sleeve body 1, and its outer diameter is the same as the inner diameter of the sleeve body 1. The top of the side wall of the sleeve body 1 is symmetrically provided with lifting lugs 9. The outer wall of the sleeve body 1 and the surface of the guide cone 2 are coated with polytetrafluoroethylene coating to reduce soil adsorption and further reduce frictional resistance.

[0025] Working process: Screw the guide cone into the bottom of the sleeve, and select the cone angle according to the soil type (30° cone angle for hard soil, 15° cone angle for soft soil); use a hydraulic drive device to vertically press the sleeve into the position to be measured, and the spiral guide groove guides the soil to disperse in all directions; after reaching the predetermined depth, insert the water level gauge into the sleeve; sleeve retrieval: simultaneously use the lifting ear to tie the rope, and use the lever device to assist in upward traction; the anti-adhesion coating on the outer wall of the sleeve reduces soil adsorption, enabling rapid removal.

[0026] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0027] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A water level gauge mounting sleeve for hydrological testing, characterized in that... The sleeve body (1), the guide cone (2), and the filter assembly (3) are included. The sleeve body (1) is a hollow cylinder, divided into an upper section and a lower section. The upper section of the sleeve body (1) has multiple water inlet holes (5) on its side wall. The lower section of the sleeve body (1) is provided with a spiral guide ridge (4). The bottom of the sleeve body (1) is connected to a detachable guide cone (2). The filter assembly includes a cylindrical filter screen (6). The upper and lower ends of the cylindrical filter screen (6) are respectively fixedly installed with an upper fixing ring (7) and a lower fixing ring (8). The filter assembly is fitted inside the sleeve body (1) and its outer diameter is the same as the inner diameter of the sleeve body (1). The top of the side wall of the sleeve body (1) is symmetrically provided with lifting ear rings (9).

2. The water level gauge mounting sleeve for hydrological testing according to claim 1, characterized in that, The upper fixing ring (7) and the lower fixing ring (8) are respectively provided with two annular grooves (10) for installing cylindrical filter screens (6).

3. The water level gauge mounting sleeve for hydrological testing according to claim 2, characterized in that, The cylindrical filter screen (6) is made of double-layer stainless steel. The outer layer is a coarse filter screen with a mesh size of 2-3 mm, and the inner layer is a fine filter screen with a mesh size of 0.5-1 mm.

4. The water level gauge mounting sleeve for hydrological testing according to claim 1, characterized in that, The sleeve body (1) and the guide cone (2) are connected by threads.

5. The water level gauge mounting sleeve for hydrological testing according to claim 1, characterized in that, The pitch of the spiral guide ridge (4) gradually decreases from top to bottom.

6. The mounting sleeve according to claim 1, characterized in that, The outer wall of the sleeve body (1) and the surface of the guide cone (2) are coated with polytetrafluoroethylene.

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