Underground water level monitoring mechanism for coal mining

By combining components such as protective shells and limiting grooves, the problems of difficult installation and limited functionality of groundwater level detection equipment in coal mines have been solved, enabling convenient installation and multi-functional water level monitoring, and improving the safety performance of the equipment.

CN223807952UActive Publication Date: 2026-01-16BEIJING TIANHUIHANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520549794.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-01-16
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing groundwater level monitoring equipment is difficult to install in coal mines and has limited functionality, only reflecting water level height data and lacking multifunctionality and safety.

Method used

The device employs components such as a protective shell, limiting groove, mounting bracket, positioning shaft, connecting rod, sleeve rod, spring, positioning pin, airbag, and float-type water level sensor. By rotating the positioning shaft and operating the long bolt, the device can achieve multi-directional adjustment and buoyancy-driven movement of the water level sensor, triggering an early warning alarm.

Benefits of technology

It enables convenient installation of equipment in the mine pit and multi-functional water level monitoring, improving the functionality and safety performance of the device and ensuring safe operation of the mine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water level monitoring, and provides an underground water level monitoring mechanism for coal mining. The limiting groove is formed in the protective shell; the mounting frame is arranged on the outer surface of the protective shell, and a plurality of positioning shafts are arranged on the inner wall of the mounting frame. When an operator rotates the long bolt, the movable plate connected with the surface is driven to move downwards by means of positioning provided by the second spring, so that the trigger type sensor reaches the reasonable height of the water level early warning line, and when the air bag is in contact with underground water, the water level early warning line can be warned by means of buoyancy provided by the air bag. The limiting sliding plate drives the float-type water level sensor on the surface to move upwards along the interior of the limiting groove, when the float-type water level sensor makes contact with the trigger-type sensor, the trigger-type sensor is directly triggered to work, data is transmitted to a center controller for warning and early warning, workers in the mine pit are directly prompted, and the safety of the mine pit is improved. And the functionality and the safety performance of the device are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water level monitoring technical field especially relates to a coal mining underground water level monitoring mechanism. BACKGROUND

[0002] In the process of coal mining, the monitoring of underground water level is crucial, and accurate underground water level data can help prevent water damage accidents, optimize drainage system design, and ensure the safe operation of the mine.

[0003] However, in the prior art, some underground water level detection devices are often installed inside the mine pit, but due to the irregular shape of the mine pit, the installation of the device is greatly disturbed, and some underground water level detection devices can only reflect the water level data during use, so the function of the mechanism is relatively single, and therefore needs to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art that some underground water level detection devices are often installed inside the mine pit, but due to the irregular shape of the mine pit, the installation of the device is greatly disturbed, and some underground water level detection devices can only reflect the water level data during use, so the function of the mechanism is relatively single.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a coal mining underground water level monitoring mechanism, comprising: a protective shell; a limiting groove is opened in the inside of the protective shell; further comprising:

[0006] A mounting bracket is arranged on the outer surface of the protective shell, and the inner wall of the mounting bracket is provided with a plurality of positioning shafts; a plurality of the outer surfaces of the positioning shafts are provided with a connecting rod, and the surfaces of the symmetric positions of a plurality of the connecting rods are provided with a positioning hole;

[0007] A plurality of sleeve rods are movably sleeved on the outer surfaces of a plurality of the connecting rods, one side surface of a plurality of the sleeve rods is provided with a mounting hole, and the surfaces of the symmetric positions of a plurality of the sleeve rods are provided with a spring one.

[0008] Preferably, one end of a plurality of the spring one is provided with a positioning pin, and one end of a plurality of the positioning pins is movably embedded in the inside of the positioning hole.

[0009] The technical effect of the above-mentioned further scheme is that by pulling the positioning pin on the surface of the spring one, the positioning pin is separated from the inside of the positioning hole, and the connecting rod is moved in the inside of the sleeve rod.

[0010] Preferably, a limiting slide plate is slidably embedded in the inside of the limiting groove, and the side surface of the limiting slide plate away from the mounting bracket is provided with an air bag.

[0011] The technical effect of the further scheme is that when the air bag contacts with the water surface, the limiting slide plate moves along the inside of the limiting groove by buoyancy.

[0012] Preferably, the limiting slide plate is provided with a float type water level sensor away from the surface of the air bag, and the symmetric position of the inner wall of the protective shell is provided with spring two.

[0013] The technical effect of the further scheme is that when the limiting slide plate moves, the surface float type water level sensor is adjusted, and the protective shell provides fixed work for spring two.

[0014] Preferably, one end of the two spring two is provided with a moving plate, and the side surface of the moving plate close to the limiting slide plate is provided with a trigger type sensor.

[0015] The technical effect of the further scheme is that the spring two provides reset work for the moving plate, and when the moving plate moves, the trigger type sensor is moved.

[0016] Preferably, the side surface of the trigger type sensor is movably connected to the surface of the float type water level sensor, and the moving plate is slidably embedded in the inside of the protective shell.

[0017] The technical effect of the further scheme is that when the float type water level sensor contacts with the trigger type sensor, the trigger type sensor is triggered to work, and the alarm is started, and the protective shell provides limiting work for the moving plate.

[0018] Preferably, the surface of the protective shell is screwedly embedded with a long bolt, and one end of the long bolt is movably connected to the surface of the moving plate.

[0019] The technical effect of the further scheme is that when the long bolt on the surface of the protective shell is rotated, the surface connected moving plate is moved, so that the underground water level warning line is reasonably judged according to the different installation height.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0021] 1. In the utility model, by rotating the connecting rod on the surface of the positioning shaft, the positioning pin on the surface of the spring one is pulled, so that the positioning pin is separated from the inside of the positioning hole, the sleeve rod is extended along the connecting rod, the installation hole is penetrated by means of the ground nail and the like and one end is installed in the inside of the mine, the positioning work of the protective shell is completed, and the installation work is facilitated by adjusting in multiple directions.

[0022] 2. The utility model discloses, according to the installation height of protective shell, when the long bolt of operating personnel is rotated, the moving plate of surface connection is driven to go down with the help of the positioning of spring no. 2, make the reasonable height of water level early warning line of trigger type inductor reach, when the air bag is contacted with groundwater, by the buoyancy of air bag, make the float type water level sensor of the surface of limit slide plate drive along the inside of limit slot go up, when the float type water level sensor is contacted with trigger type inductor, directly trigger trigger type inductor work, transmit data to central control and carry out alarm early warning, directly prompt the staff in the inside of mine, improve the functional and safety performance of device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A side view structural schematic diagram of underground water level monitoring mechanism for coal mining is provided for the utility model;

[0024] Figure 2 A sectional view structural schematic diagram of underground water level monitoring mechanism for coal mining is provided for the utility model;

[0025] Figure 3 A partial development structural schematic diagram of underground water level monitoring mechanism for coal mining is provided for the utility model;

[0026] Figure 4 A partial development structural schematic diagram of underground water level monitoring mechanism for coal mining is provided for the utility model; Figure 3 The enlarged structural schematic diagram of A place in the middle.

[0027] Legend:

[0028] 1, protective shell;101, limit slot;102, mounting bracket;1021, positioning shaft;1022, connecting rod;1023, positioning hole;1024, sleeve rod;1025, mounting hole;1026, spring no. 1;1027, positioning pin;103, limit slide plate;1031, air bag;1032, float type water level sensor;104, long bolt;105, spring no. 2;1051, moving plate;1052, trigger type inductor. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined mutually in the case of no conflict.

[0030] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0031] Example 1, such as Figures 1-4 As shown, this utility model provides a groundwater level monitoring mechanism for coal mines, including: a protective shell 1; a limiting groove 101, which is formed inside the protective shell 1; and a mounting frame 102, which is set on the outer surface of the protective shell 1. The inner wall of the mounting frame 102 is provided with multiple positioning shafts 1021; the outer surface of the multiple positioning shafts 1021 is fitted with connecting rods 1022, and the surfaces of the multiple connecting rods 1022 at symmetrical locations are provided with positioning holes 1023; multiple sleeve rods 1024 are movably fitted on the outer surface of the multiple connecting rods 1022, and the surface of one side of the multiple sleeve rods 1024 is provided with mounting holes 1025, and the surfaces of the multiple sleeve rods 1024 at symmetrical locations are provided with springs 1026.

[0032] In this embodiment, by rotating the connecting rod 1022 on the surface of the positioning shaft 1021, the positioning pin 1027 on the surface of the spring 1026 is pulled, causing the positioning pin 1027 to disengage from the interior of the positioning hole 1023, extend along the connecting rod 1022 to the sleeve 1024, and penetrate the mounting hole 1025 with the help of ground nails or other means, with one end installed inside the mine pit, thus completing the positioning work of the protective shell 1. The installation work is convenient through adjustment in multiple directions.

[0033] In Example 2, one end of each of the multiple springs 1026 is provided with a positioning pin 1027. One end of each positioning pin 1027 is movably embedded inside the positioning hole 1023. A limiting slide plate 103 is slidably embedded inside the limiting groove 101. An airbag 1031 is provided on the surface of the limiting slide plate 103 away from the mounting bracket 102. A float-type water level sensor 1032 is provided on the surface of the limiting slide plate 103 away from the airbag 1031. Springs 102 are symmetrically located on the inner wall of the protective shell 1. 5. One end of the two springs 105 is provided with a movable plate 1051. A trigger sensor 1052 is provided on the side surface of the movable plate 1051 near the limiting slide plate 103. The side surface of the trigger sensor 1052 is movably connected to the surface of the float-type water level sensor 1032. The movable plate 1051 is slidably embedded inside the protective shell 1. A long bolt 104 is threadedly embedded on the surface of the protective shell 1. One end of the long bolt 104 is movably connected to the surface of the movable plate 1051.

[0034] In this embodiment, according to the installation height of the protective shell 1, when the long bolt 104 is rotated by the operator, the moving plate 1051 connected to the surface is lowered by the positioning provided by the spring 105, so that the trigger sensor 1052 reaches a reasonable height of the water level warning line, when the air bag 1031 contacts with underground water, the float type water level sensor 1032 on the surface driven by the limiting slide plate 103 is moved upward along the inside of the limiting slot 101 by the buoyancy provided by the air bag 1031, when the float type water level sensor 1032 contacts with the trigger sensor 1052, the trigger sensor 1052 is directly triggered to work, data is transmitted to the central control for alarm warning, and the staff inside the mine is directly prompted, the functionality and safety performance of the device are improved.

[0035] Working principle: in use, by rotating the connecting rod 1022 on the surface of the positioning shaft 1021, the positioning pin 1027 on the surface of the spring 1026 is pulled out of the inside of the positioning hole 1023, the sleeve rod 1024 is extended along the connecting rod 1022, the positioning work of the protective shell 1 is completed by penetrating the installation hole 1025 with the ground nail and installing one end in the mine, the installation work is facilitated by adjusting in multiple directions, and according to the installation height of the protective shell 1, when the long bolt 104 is rotated by the operator, the moving plate 1051 connected to the surface is lowered by the positioning provided by the spring 105, so that the trigger sensor 1052 reaches a reasonable height of the water level warning line, when the air bag 1031 contacts with underground water, the float type water level sensor 1032 on the surface driven by the limiting slide plate 103 is moved upward along the inside of the limiting slot 101 by the buoyancy provided by the air bag 1031, when the float type water level sensor 1032 contacts with the trigger sensor 1052, the trigger sensor 1052 is directly triggered to work, data is transmitted to the central control for alarm warning, and the staff inside the mine is directly prompted, the functionality and safety performance of the device are improved.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A coal mining with underground water level monitoring mechanism, comprising: Protective shell (1); Limiting groove (101), open in the inside of the protective shell (1); characterized in that, it also comprises: Mounting frame (102) is arranged on the outer surface of the protective shell (1), the inner wall of the mounting frame (102) is provided with a plurality of positioning shafts (1021); the outer surface of a plurality of the positioning shafts (1021) is sleeved with a connecting rod (1022), and the surface of the symmetric position of a plurality of the connecting rods (1022) is provided with a positioning hole (1023); A plurality of sleeve rods (1024) are movably sleeved on the outer surface of a plurality of the connecting rods (1022), one side surface of a plurality of the sleeve rods (1024) is provided with a mounting hole (1025), and the surface of the symmetric position of a plurality of the sleeve rods (1024) is provided with a spring (1026).

2. The underground water level monitoring mechanism for coal mining according to claim 1, characterized in that: One end of a plurality of the springs (1026) is provided with a positioning pin (1027), and one end of a plurality of the positioning pins (1027) is movably embedded in the inside of the positioning hole (1023).

3. The underground water level monitoring mechanism for coal mining according to claim 1, characterized in that: The inside of the limiting groove (101) is slidably embedded with a limiting sliding plate (103), and one side surface of the limiting sliding plate (103) away from the mounting frame (102) is provided with an air bag (1031).

4. The underground water level monitoring mechanism for coal mining according to claim 3, characterized in that: The surface of the limiting sliding plate (103) away from the air bag (1031) is provided with a float type water level sensor (1032), and the symmetric position of the inner wall of the protective shell (1) is provided with a spring (105).

5. The underground water level monitoring mechanism for coal mining according to claim 4, characterized in that: One end of two the springs (105) is provided with a moving plate (1051), and one side surface of the moving plate (1051) close to the limiting sliding plate (103) is provided with a trigger type sensor (1052).

6. The underground water level monitoring mechanism for coal mining according to claim 5, characterized in that: One side surface of the trigger type sensor (1052) is movably connected to the surface of the float type water level sensor (1032), and the moving plate (1051) is slidably embedded in the inside of the protective shell (1).

7. A ground water level monitoring mechanism for coal mining operations according to claim 6 wherein: The surface of the protective shell (1) is threadedly embedded with a long bolt (104), and one end of the long bolt (104) is movably connected to the surface of the moving plate (1051).