Coalfield drilling water level monitoring device

Abstract

The utility model relates to coalfield drilling technical field, and disclose a kind of coalfield drilling water level monitoring device, including connecting column, the other end of connecting column is provided with water level gauge body, the other end of connecting column is fixed with and the connecting lug of line body and rope body connection, further include: fixed on the surface of connecting column conical cover, the surface of conical cover is fixed with grid, the other end of grid is fixed with connecting ring, the surface of connecting ring is provided with baffle;Setting in the surface of connecting column for and the connecting mechanism of water level gauge body connection;The utility model in use, can under the action of grid, baffle and connecting mechanism, the water level gauge body in lowering is protected, further avoid due to water level gauge body and hole inner wall collision, avoid the core monitoring element of water level gauge body due to impact damage, and when pulling up, can under the action of conical cover, the falling sundries is guided, improve the smoothness in pulling up process.

Description

Technical Field

[0001] This utility model relates to the field of coalfield drilling technology, specifically a coalfield borehole water level monitoring device. Background Technology

[0002] Coalfield borehole water level monitoring is a core component of coal mine safety production, directly related to key tasks such as water hazard prevention, mining face layout, and geological disaster early warning. As a core monitoring device, the stability, accuracy, and anti-interference ability of coalfield borehole water level monitoring equipment under special working conditions such as narrow borehole space, high dust, numerous coal and rock fragments, and mineralized water bodies directly affect the safety and economy of coal mine production, such as a coalfield borehole water level monitoring device with publication number CN222668177U.

[0003] When the water level gauge is lowered into the coalfield borehole by the winding device, the unevenness of the borehole surface may cause the water level gauge to collide with the inner wall of the borehole. The impact force will directly act on the surface of the water level gauge, which may affect the normal use of the water level gauge. Furthermore, when the water level gauge rises, debris in the borehole may fall onto the surface of the water level gauge, which may affect the normal upward pulling operation of the water level gauge. Summary of the Invention

[0004] The purpose of this utility model is to provide a coalfield borehole water level monitoring device that can protect the water level gauge body and prevent the core monitoring components of the water level gauge body from being damaged by impact.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a coalfield borehole water level monitoring device, comprising a connecting column, a water level gauge body being provided at the other end of the connecting column, and a connecting lug for connecting to a line and a rope being fixed at the other end of the connecting column, and further comprising: A conical cover fixed to the surface of a connecting column, the surface of which is fixed with a grid, the other end of which is fixed with a connecting ring, and the surface of which is provided with a partition; A connection mechanism is installed on the surface of the connecting column for connecting to the water level gauge body.

[0006] Preferably, the connecting mechanism includes a spring fixed to the bottom of the connecting column, a connecting shell fixed to the other end of the spring, the connecting shell being fixedly connected to the water level gauge body, an air bladder fixed to the inner surface of the connecting shell, and the other end of the air bladder being attached to the surface of the connecting column.

[0007] Preferably, the spring is made of 304 stainless steel and its surface is treated with anti-corrosion coating.

[0008] Preferably, the conical cover is a hollow cone, with the small-diameter end fixed to the connecting column and the large-diameter end fixed to the grid.

[0009] Preferably, the mesh spacing of the grille is 5-15mm, and the surface of the grille is treated with anti-corrosion measures.

[0010] Preferably, the inner wall of the perforation of the connecting ear is provided with a spiral anti-slip texture, and the material of the connecting ear is the same as that of the connecting post.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: When in use, this utility model can protect the water level gauge body during lowering by the action of the grid, partition and connecting mechanism, thereby avoiding collision between the water level gauge body and the inner wall of the hole, and preventing damage to the core monitoring element of the water level gauge body due to impact. Furthermore, when pulling up, the conical cover can guide the falling debris and improve the smoothness of the pulling process. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram from another perspective of the present invention; Figure 3 This is a three-dimensional structural diagram of the conical cover and the grille after being cut open in this utility model; Figure 4 This is a partial three-dimensional structural diagram of the present invention.

[0013] In the diagram: 1. Connecting column; 2. Water level gauge body; 3. Connecting lug; 4. Conical cover; 5. Grille; 6. Connecting ring; 7. Partition plate; 8. Connecting mechanism; 81. Spring; 82. Connecting shell; 83. Airbag. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-4 As shown, a coalfield borehole water level monitoring device includes a connecting column 1, a water level gauge body 2 at one end of the connecting column 1, and a connecting lug 3 fixed at the other end of the connecting column 1 for connection with a line and a rope. It also includes: A conical cover 4 is fixed to the surface of the connecting column 1. A grid 5 is fixed to the surface of the conical cover 4. A connecting ring 6 is fixed to the other end of the grid 5. A partition 7 is provided on the surface of the connecting ring 6. A connecting mechanism 8 is installed on the surface of the connecting column 1 for connecting to the water level gauge body 2.

[0016] The connecting mechanism 8 includes a spring 81 fixed to the bottom of the connecting column 1. The other end of the spring 81 is fixed to a connecting shell 82. The connecting shell 82 is fixedly connected to the water level gauge body 2. An airbag 83 is fixed to the inner surface of the connecting shell 82. The other end of the airbag 83 is attached to the surface of the connecting column 1. In this embodiment, since the conical cover 4 is fixed to the surface of the connecting column 1, when the conical cover 4 and the grid 5 collide, the impact force will be transmitted to the surface of the connecting column 1. The spring 81 connected to the bottom of the connecting column 1 can reduce the impact force. Similarly, the airbag 83 can reduce the impact force, thereby achieving the purpose of protecting the water level gauge body 2.

[0017] The spring 81 is made of 304 stainless steel and has an anti-corrosion treatment on its surface. In this embodiment, the material has excellent corrosion resistance and elastic recovery ability, which can adapt to complex working conditions such as underwater and humid conditions. At the same time, it has sufficient fatigue strength and can withstand repeated deformation caused by collision impact for a long time, ensuring the stability of the buffer protection.

[0018] The conical cover 4 is a hollow cone. The small diameter end is fixed to the connecting column 1, and the large diameter end is fixed to the grid 5. In this embodiment, the hollow structure combined with the grid 5 can reduce the overall weight while blocking the impact of foreign objects, avoiding additional load on the water level gauge body 2. In addition, during the upward pulling process, it can guide the debris that falls into the hole, avoiding inconvenience in rising.

[0019] The mesh spacing of the grille 5 is 5-15mm, and the surface of the grille 5 is treated with anti-corrosion. In this embodiment, by setting the size of the grille 5, the requirement of blocking underwater debris can be met, which can prevent foreign objects from hitting the water level gauge body 2, and also prevent the water flow resistance from being too large due to the small gap.

[0020] The inner wall of the perforation of the connecting ear 3 is provided with a spiral anti-slip texture. The material of the connecting ear 3 is the same as that of the connecting post 1. In this embodiment, the spiral anti-slip texture can increase the friction between the line, rope and connecting ear 3, and prevent the line from coming loose when the water level gauge body 2 is impacted by water flow. The material of the connecting ear 3 is the same as that of the connecting post 1, which can ensure that the stress performance of the two are matched and prevent stress concentration and breakage of the connecting ear 3 due to material difference.

[0021] Working Principle: The water level gauge body 2 is installed and positioned by connecting lug 3 and the cable, allowing it to be stably suspended in the area to be measured, providing a fixed reference for subsequent monitoring. The conical cover 4 and the grid 5, fixed to the surface of the connecting column 1, form the first protective barrier. The conical cover 4 adopts a hollow structure with a small diameter end connected to the connecting column 1 and a large diameter end connected to the grid 5, which reduces the overall weight and expands the protection range. The grid 5 can block large foreign objects in the water, while avoiding excessively small gaps that would cause a surge in water flow resistance. Its anti-corrosion treatment extends its service life in harsh underwater environments. When the water level gauge body 2 descends, the protective barrier prevents direct contact between the water level gauge body 2 and the orifice wall, achieving the purpose of protecting the water level gauge body 2, and the water flow can pass through. The grid 5 and the partition 7 come into contact with the water level gauge body 2 to complete the measurement. When the water level gauge body 2 is lifted, the conical structure of the conical cover 4 can also guide the debris falling into the hole, so that the debris moves to the side and avoids the debris from obstructing the movement of the device. If the protective barrier fails to completely isolate the impact, the impact force will be transmitted to the connecting column 1 through the grid 5 and the conical cover 4. At this time, under the action of the connecting mechanism 8, the spring 81 at the bottom of the connecting column 1 will undergo elastic deformation due to the impact force, converting mechanical energy into elastic potential energy, and initially reducing the impact. At the same time, the airbag 83 on the inner surface of the connecting shell 82 that is in contact with the connecting column 1 will be squeezed, and the remaining impact force will be further absorbed through the compressibility of the gas. The double buffer mechanism can effectively weaken the force transmitted to the water level gauge body 2.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coalfield borehole water level monitoring device, comprising a connecting column (1), characterized in that: The other end of the connecting column (1) is provided with a water level gauge body (2), and the other end of the connecting column (1) is fixed with a connecting lug (3) that connects to the line and the rope. It also includes: A conical cover (4) is fixed to the surface of the connecting column (1). A grid (5) is fixed to the surface of the conical cover (4). A connecting ring (6) is fixed to the other end of the grid (5). A partition (7) is provided on the surface of the connecting ring (6). A connecting mechanism (8) is provided on the surface of the connecting column (1) for connecting with the water level gauge body (2).

2. The coalfield borehole water level monitoring device according to claim 1, characterized in that: The connecting mechanism (8) includes a spring (81) fixed to the bottom of the connecting column (1), and a connecting shell (82) fixed to the other end of the spring (81). The connecting shell (82) is fixedly connected to the water level gauge body (2). An air bladder (83) is fixed to the inner surface of the connecting shell (82), and the other end of the air bladder (83) is attached to the surface of the connecting column (1).

3. The coalfield borehole water level monitoring device according to claim 2, characterized in that: The spring (81) is made of 304 stainless steel and its surface is treated with anti-corrosion.

4. The coalfield borehole water level monitoring device according to claim 1, characterized in that: The conical cover (4) is a hollow cone, with the small diameter end fixed to the connecting column (1) and the large diameter end fixed to the grid (5).

5. The coalfield borehole water level monitoring device according to claim 1, characterized in that: The mesh spacing of the grille (5) is 5-15mm, and the surface of the grille (5) is treated with anti-corrosion.

6. The coalfield borehole water level monitoring device according to claim 1, characterized in that: The inner wall of the perforation of the connecting ear (3) is provided with a spiral anti-slip texture, and the material of the connecting ear (3) is consistent with that of the connecting post (1).

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