CN216866789U - Early warning device for coal mine ground water measurement and control - Google Patents

Abstract

The utility model discloses a coal mine ground early warning device for water prevention and control, which comprises a shell, wherein a bearing shaft is arranged on the shell, a copper clock is arranged on the bearing shaft, a knocking unit matched with the copper clock for use is also arranged on the surface of the shell, a screen plate is embedded on one side of the shell, and an expansion unit with a larger water volume is arranged in the shell.

Description

Early warning device for coal mine ground water measurement and control

Technical Field

The utility model relates to the technical field of coal mine engineering, in particular to a coal mine land survey water control early warning device.

Background

The coal mine is an area where human beings mine coal resources in a coal-rich mining area, and is generally divided into a minery coal mine and an open-pit coal mine, wherein the minery coal mine is a coal seam which is far away from the ground surface and needs to dig coal into an underground excavation roadway, and the excavation area in the coal digging process can form coal mines.

At present, for underground safety, mine water seepage is still a main factor causing mine collapse, and the mine water seepage is a long-term accumulation process, so that the water content in rock strata near a mine needs to be continuously monitored, and early warning is timely given out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine land survey water prevention and treatment early warning device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the early warning device for preventing and treating water in coal mine ground measurement comprises a shell, wherein a bearing shaft is arranged on the shell, a copper clock is arranged on the bearing shaft, and a knocking unit matched with the copper clock is further arranged on the surface of the shell;

and inlay in casing one side and be equipped with the otter board, be provided with the inflation unit that meets the water volume and can the grow in the casing, and be provided with the restriction piece of connecting the inflation unit and knocking the unit on the casing, the inflation unit inflation orders about the restriction piece cancellation to knocking the restriction of knocking the unit to make and strike the unit and continuously strike the copper clock and carry out the early warning.

The knocking unit comprises a rotating shaft arranged on the shell, a clockwork spring component arranged on the shell is arranged on the outer side of the rotating shaft, the rotating shaft is rotated to rotate the clockwork spring component to a limit position, and the rotating shaft is driven by the clockwork spring component to continuously and automatically rotate reversely to reset after the rotating shaft is loosened;

the copper bell drawing device further comprises a drawing rope arranged on the rotating shaft, a heavy hammer is arranged at the end of the drawing rope, and the copper bell is knocked by the falling of the heavy hammer.

An extension shaft vertical to the rotating shaft is arranged on the rotating shaft, and a traction rope is arranged at the end part of the extension shaft.

The limiting piece comprises a moving shaft which penetrates through the side wall of the shell in a sliding mode, and the moving shaft is abutted with the expansion unit;

and a deflection baffle is arranged on the rotating shaft, a stop block is arranged at the end part of the moving shaft, the stop block extends downwards, and the side edge of the stop block is abutted against the side edge of the deflection baffle.

An extension sleeve is arranged on the surface of the shell, and the moving shaft passes through the extension sleeve.

The expansion unit is provided with water-swelling rubber between the piston baffle and the screen plate including a piston baffle which is arranged in the shell in a sliding manner, the movable shaft is connected with the piston baffle, a spring is sleeved on the outer side of the movable shaft, and two ends of the spring are connected with the extension sleeve and the check block respectively.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is different from the prior art, the shell can be embedded in the wall body at any side edge or top of the mine, when the wall body is seeped, the expansion unit expands when encountering water, the limiting part is driven to cancel the limitation of the knocking unit, and the knocking unit can continuously act to knock the copper clock to sound, so that the aim of continuous early warning is provided by using a mechanical mode, and the underground safe construction is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another orientation of the present invention shown in FIG. 1;

FIG. 3 is a schematic sectional view of FIG. 2 according to the present invention.

In the figure: 1-a shell; 2-a carrier shaft; 3-copper bell; 4-a knocking unit; 41-a rotating shaft; 42-spring component; 43-a pulling rope; 44-weight dropper; 45-extension axis; 5-screen plate; 6-an expansion unit; 61-piston baffles; 62-water swellable rubber; 63-a spring; 7-a limiting member; 71-a moving axis; 72-a deflection baffle; 73-a stop; 74-extension sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the early warning device for preventing and treating water in coal mine ground measurement comprises a shell 1, wherein a bearing shaft 2 is arranged on the shell 1, a copper bell 3 is arranged on the bearing shaft 2, and a knocking unit 4 matched with the copper bell 3 for use is further arranged on the surface of the shell 1;

and inlay at casing 1 one side and be equipped with otter board 5, be provided with the expansion unit 6 that meets water volume meeting grow in the casing 1, and be provided with the restriction piece 7 of connecting expansion unit 6 and knocking unit 4 on casing 1, expansion unit 6 inflation is come to order about restriction piece 7 and is cancelled the restriction of knocking unit 4 to make knocking unit 4 continuously knock copper clock 3 and carry out the early warning.

Specifically, as an embodiment, the knocking unit 4 includes a rotating shaft 41 disposed on the housing 1, and a clockwork spring 42 mounted on the housing 1 is disposed outside the rotating shaft 41, the clockwork spring 42 is a conventional structure in the prior art, and mainly uses the elastic force of the clockwork spring to gradually loosen to generate power, so as to achieve the purpose of continuously and automatically rotating the rotating shaft 41, which is not included in the protection scope of the present application, but is merely an embodiment, and will not be described herein repeatedly, the rotating shaft 41 rotates the clockwork spring 42 to the limit position, and the clockwork spring 42 is used to continuously and automatically reverse and reset the rotating shaft 41 after the rotating shaft 41 is loosened;

the copper bell 3 further comprises a pulling rope 43 arranged on the rotating shaft 41, a weight 44 is arranged at the end part of the pulling rope 43, and the weight 44 falls down to knock the copper bell 3.

Further, in order to prevent the pulling rope 43 from winding around the rotating shaft 41 and affecting stable striking, an extension shaft 45 perpendicular to the rotating shaft 41 is provided on the rotating shaft 41, and the pulling rope 43 is installed at the end of the extension shaft 45 to ensure stable striking of the weight 44.

As an example, the limiting member 7 comprises a moving shaft 71 sliding through the side wall of the housing 1, the moving shaft 71 abutting against the expansion unit 6;

a deflector 72 is provided on the rotating shaft 41, a stopper 73 is provided at an end of the moving shaft 71, the stopper 73 extends downward, and a side thereof abuts against a side of the deflector 72.

Further, an extension sleeve 74 is provided on the surface of the housing 1, and the moving shaft 71 passes through the extension sleeve 74, so as to improve the stability of the lateral movement of the moving shaft 71, and ensure a stable movement to remove the restriction.

As an embodiment, the expansion unit 6 includes a piston baffle 61 slidably disposed in the housing 1, and a water-swellable rubber 62 is disposed between the piston baffle 61 and the mesh plate 5, and it should be noted that the water-swellable rubber 62 is a water-swellable waterproof rubber made of water-absorbent materials such as water-soluble polyurethane prepolymer and sodium acrylate high polymer water-absorbent resin, and synthetic rubbers such as natural rubber and chloroprene rubber, which is prior art and not described herein again;

the moving shaft 71 is connected with the piston baffle 61, the spring 63 is sleeved outside the moving shaft 71, and two ends of the spring 63 are respectively connected with the extension sleeve 74 and the stop 73 so as to pull the moving shaft 71 and the stop 73 to abut against the deflection baffle 72, thereby ensuring stable use limitation.

When the underground water seepage quantity is monitored in real time, the screen plate 5 is right opposite to the wall, then the shell 1 is buried in the wall, when water seeps, water penetrates through the screen plate 5 and is absorbed by the water-swelling rubber 62, the water-swelling rubber 62 absorbing the water swells, and the piston baffle 61 is forced to be pushed to move, at the moment, the movable shaft 71 and the baffle 73 are pushed to move to cancel the limitation on the deflection baffle 72, under the action of the clockwork component 42, the rotating shaft 41 continuously rotates to drive the heavy hammer 44 to continuously knock the copper bell 3, the underground water seepage quantity is monitored continuously in a mechanical mode, effective early warning is achieved, the rotating shaft 41 can be rotated to reset in the follow-up overturning mode, and the water-swelling rubber 62 is replaced to ensure that the device is monitored and used repeatedly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (6)

1. The utility model provides a colliery ground survey prevention and cure early warning device for water, includes casing (1), its characterized in that: a bearing shaft (2) is arranged on the shell (1), a copper clock (3) is arranged on the bearing shaft (2), and a knocking unit (4) matched with the copper clock (3) is further arranged on the surface of the shell (1);

and casing (1) one side is inlayed and is equipped with otter board (5), be provided with in casing (1) and meet expansion unit (6) that water volume can grow, and be provided with restriction piece (7) of connecting expansion unit (6) and knocking unit (4) on casing (1), expansion unit (6) inflation is come to order about restriction piece (7) and cancels the restriction of knocking unit (4), so that it carries out the early warning to knock unit (4) and continuously knock copper clock (3).

2. The early warning device for preventing and treating water for coal mine land survey according to claim 1, characterized in that: the knocking unit (4) comprises a rotating shaft (41) arranged on the shell (1), a clockwork spring component (42) arranged on the shell (1) is arranged on the outer side of the rotating shaft (41), the rotating shaft (41) is rotated to rotate the clockwork spring component (42) to a limit position, and the rotating shaft (41) is driven by the clockwork spring component (42) to continuously and automatically rotate reversely to reset after the rotating shaft (41) is loosened;

the copper bell further comprises a pulling rope (43) arranged on the rotating shaft (41), a heavy hammer (44) is arranged at the end of the pulling rope (43), and the copper bell (3) is knocked by the falling of the heavy hammer (44).

3. The early warning device for preventing and treating water for coal mine ground detection according to claim 2, characterized in that: an extension shaft (45) perpendicular to the rotating shaft (41) is arranged on the rotating shaft (41), and the pulling rope (43) is installed at the end part of the extension shaft (45).

4. The early warning device for preventing and treating water for coal mine ground detection according to claim 3, characterized in that: the limiting piece (7) comprises a moving shaft (71) which penetrates through the side wall of the shell (1) in a sliding mode, and the moving shaft (71) is abutted to the expansion unit (6);

and a deflection baffle plate (72) is arranged on the rotating shaft (41), a stop block (73) is arranged at the end part of the moving shaft (71), the stop block (73) extends downwards, and the side edge of the stop block is abutted against the side edge of the deflection baffle plate (72).

5. The early warning device for preventing and treating water for coal mine ground detection according to claim 4, characterized in that: an extension sleeve (74) is arranged on the surface of the shell (1), and the moving shaft (71) passes through the extension sleeve (74).

6. The early warning device for preventing and treating water in coal mine ground according to claim 5, characterized in that: expansion unit (6) including sliding piston baffle (61) of setting in casing (1) be provided with between piston baffle (61) and otter board (5) and meet water inflation rubber (62), it is connected with piston baffle (61) to remove axle (71), and it is equipped with spring (63) to remove axle (71) outside cover, spring (63) both ends are connected with extension sleeve (74) and dog (73) respectively.

Images