Water pumping device for underground coal mine

Abstract

The utility model discloses a water pumping device for an underground coal mine, which belongs to the field of coal mining, solves the problem that the existing water pumping device for the underground coal mine is easy to switch frequently due to water level fluctuation, and comprises a main body pump, a suction pipe, a base and a lifting plate, according to the utility model, through the arrangement of the floating mechanism and the communication mechanism, the internal circuit of the equipment can be stably communicated, and the touch switches are connected in parallel, so that the operation is convenient, the operation is convenient, and the working efficiency is improved. And the equipment is still in a running state after one group of touch switches is started, so that when the water level fluctuates, even if the lifting plate slides up and down, stable connection of a circuit and running of the equipment can still be realized, a sensor does not need to be additionally arranged on the inner wall of a roadway, the equipment is more convenient to use, and the overall working quality is improved.

Description

Technical Field

[0001] The utility model belongs to the field of coal mining, and in particular relates to a water pumping device used in coal mines. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, people generally choose to dig tunnels underground to mine coal. This is an underground coal mine. Now, various types of equipment are used to assist in underground operations in coal mines, including water pumps. Now water pumps can pump out water sources underground in coal mines to facilitate subsequent coal mining.

[0003] Chinese utility model patent CN210370787U discloses a pumping device for use in coal mines, including a pumping tunnel in the coal mine; a water inlet end of a submersible pump is inserted into the bottom of the pumping tunnel; the submersible pump is connected to a power source through a wire, and a start switch is also arranged on the wire; the start switch is an electric control switch, and the start switch is connected to a main controller through a wire; a time control module is arranged on the main controller, and the main controller is respectively connected to the power source, a first water level sensor and a second water level sensor through wires; the first water level sensor and the second water level sensor are respectively arranged on the upper and lower sides of the inner wall of the pumping tunnel;

[0004] The above design monitors the water level of groundwater inside the mine in real time by installing two sets of water level sensors on the inner wall of the tunnel. However, when using it, the sensors need to be installed at the target position on the inner wall of the tunnel in advance, and after the subsequent pumping operation is completed, a lot of time is needed to recycle the components. This wastes a certain amount of operating time and affects the overall work efficiency. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problems raised in the above background technology, the utility model adopts the following technical solutions.

[0007] A water pumping device used in coal mines comprises a main pump, a suction pipe, a base and a lifting plate. The water inlet end of the main pump is fixedly installed with the suction pipe, the base is fixedly installed on one side of the end of the suction pipe, the lifting plate is symmetrically arranged outside the suction pipe, a floating mechanism is fixedly installed on the side of the lifting plate, the floating mechanism comprises a fixed ring, a calibration block, a floating ball and a lifting groove, a fixed ring is fixedly installed on the side of the lifting plate, the calibration block is symmetrically fixedly installed on both sides of the lifting plate, a lifting groove is opened inside the suction pipe, the lifting groove is slidably connected to the calibration block, the floating ball is equidistantly fixedly installed outside the fixed ring, a connecting mechanism is fixedly installed inside the suction pipe, and a filtering mechanism is fixedly installed at the bottom end of the base.

[0008] As a preferred technical solution of the utility model, the overall length of the lifting slot is greater than twice the length of the lifting plate itself.

[0009] As a preferred technical solution of the utility model, the top end of the lifting plate is in a trapezoidal shape.

[0010] As a preferred technical solution of the utility model, the connecting mechanism includes a mounting shell, a trigger block, a spring and a trigger switch. The mounting shell is arranged inside the suction tube, the trigger block is slidably installed inside the mounting shell, the trigger switch is fixedly installed inside the mounting shell, and a spring is arranged between the trigger switch and the trigger block.

[0011] As a preferred technical solution of the utility model, two groups of connecting mechanisms are provided, the heights of the two groups of mounting shells are different, and the touch switches are connected in parallel.

[0012] As a preferred technical solution of the utility model, the filtering mechanism includes a positioning groove, a limiting ring, a screening plate and a fixing screw. A positioning groove is opened inside the base, the limiting ring is slidably installed inside the positioning groove, the screening plate is fixedly installed at the bottom end of the limiting ring, and the fixing screw is symmetrically threadedly installed on the base and inside the positioning groove.

[0013] As a preferred technical solution of the utility model, a filter screen is fixedly installed inside the screening plate.

[0014] As a preferred technical solution of the utility model, thread grooves for auxiliary fixing screw installation are symmetrically provided inside the base and the positioning groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) In the present invention, by providing a floating mechanism and a connecting mechanism, the internal circuit of the device can be stably connected, and the touch switches are connected in parallel to ensure that the device is still in operation after one set of touch switches is triggered. This ensures that when the water level fluctuates, the circuit can still be stably connected and the device can still operate even if the lifting plate slides up and down, and there is no need to install additional sensors on the inner wall of the tunnel, making the use of the device itself more convenient and improving the overall work quality;

[0017] (2) In the utility model, by setting up a filtering mechanism, the water source sucked by the suction pipe can be stably filtered, and the larger impurities contained in the groundwater can be filtered to prevent the impurities from entering the pipe and scratching the inner wall of the pipe, thereby extending the service life of the pipe itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the external structure of the suction tube of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the bottom end structure of the suction tube of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the floating mechanism in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the connecting mechanism in the utility model;

[0023] Figure 6 It is a structural schematic diagram of the filtering mechanism in the utility model.

[0024] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0025] 1. Main pump; 2. Suction tube; 3. Base; 4. Lifting plate; 5. Floating mechanism; 51. Fixing ring; 52. Calibration block; 53. Float; 54. Lifting slot; 6. Connecting mechanism; 61. Mounting shell; 62. Trigger block; 63. Spring; 64. Trigger switch; 7. Filter mechanism; 71. Positioning slot; 72. Limiting ring; 73. Screening plate; 74. Fixing screw. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0029] Depend on Figure 1 , Figure 2 and Figure 3 As shown, a pumping device for use in coal mines comprises a main pump 1, a suction pipe 2, a base 3 and a lifting plate 4. The water inlet end of the main pump 1 is fixedly installed with the suction pipe 2, and the base 3 is fixedly installed on one side of the end of the suction pipe 2. The lifting plate 4 is symmetrically arranged on the outside of the suction pipe 2, and a floating mechanism 5 is fixedly installed on the side of the lifting plate 4. The floating mechanism 5 comprises a fixing ring 51, a calibration block 52, a floating ball 53 and a lifting groove 54. The side of the lifting plate 4 is fixedly installed with a fixing ring 51, and the calibration block 52 is symmetrically fixedly installed on both sides of the lifting plate 4. A lifting groove 54 is opened inside the suction pipe 2, and the lifting groove 54 is slidably connected to the calibration block 52. The floating ball 53 is equidistantly fixedly installed on the outside of the fixing ring 51, a connecting mechanism 6 is fixedly installed inside the suction pipe 2, and a filtering mechanism 7 is fixedly installed at the bottom end of the base 3.

[0030] During use, the suction tube 2 is placed at the target position and then inserted into the preset tunnel. The water source inside the tunnel is then extracted by using the suction tube 2 and the main pump 1. During the extraction process, the groundwater level is observed in real time by using the floating mechanism 5. The buoyancy of the water source itself causes the float 53 to drive the fixed ring 51 to float, and the height of the fixed ring 51 itself is consistent with the water level, so that the lifting plate 4 slides up and down inside the lifting groove 54. During the sliding process, the connecting mechanism 6 can be automatically triggered to connect the internal circuit of the equipment to ensure the stable operation of the equipment. Finally, the filtering mechanism 7 is used to protect the water suction port of the suction tube 2, so that the equipment itself is more stable during operation.

[0031] By the attached Figure 4As shown, in this embodiment, the overall length of the lifting groove 54 is greater than twice the length of the lifting plate 4 itself, leaving sufficient space for the lifting plate 4 to move up and down during use, and can move with the fluctuation of the water level. The top position of the lifting groove 54 is the predetermined water level line, and it is convenient for the subsequent staggered installation of the components inside the connecting mechanism 6.

[0032] By the attached Figure 4 As shown, in this embodiment, the top end of the lifting plate 4 is in a trapezoidal shape, and the lifting plate 4 can stably press the internal components of the connecting mechanism 6 during the movement of the lifting plate 4 in use.

[0033] By the attached Figure 5 As shown, in this embodiment, the connecting mechanism 6 includes a mounting shell 61, a trigger block 62, a spring 63 and a trigger switch 64. The mounting shell 61 is arranged inside the suction tube 2, the trigger block 62 is slidably installed inside the mounting shell 61, the trigger switch 64 is fixedly installed inside the mounting shell 61, and a spring 63 is arranged between the trigger switch 64 and the trigger block 62.

[0034] During use, the lifting plate 4 moves so that the lifting plate 4 squeezes the trigger block 62, causing the trigger block 62 to automatically retract into the mounting shell 61, quickly triggering the trigger switch 64 to close the circuit and ensure stable operation of the circuit. The staggered installation of the two groups of trigger switches 64 prevents the lifting plate 4 from completely squeezing the two groups of trigger blocks 62 when it moves up and down with the fluctuation of the water surface, thereby ensuring that one group of the circuit can still operate and there will be no reciprocating power outages due to water level fluctuations.

[0035] By the attached Figure 5 As shown, in this embodiment, there are two groups of connecting mechanisms 6, the two groups of mounting shells 61 have different heights, and the touch switches 64 are connected in parallel. During use, the two groups of mounting shells 61 are staggered and set at different heights. The higher mounting shell 61 is stably triggered when the water level reaches the requirement, and the other group of mounting shells 61 ensures stable operation of the circuit when the water level fluctuates. The two groups of components are connected in parallel to ensure the stability of the circuit during operation.

[0036] By the attached Figure 6 As shown, in this embodiment, the filtering mechanism 7 includes a positioning groove 71, a limiting ring 72, a screening plate 73 and a fixing screw 74. The base 3 is provided with a positioning groove 71, the limiting ring 72 is slidably installed in the positioning groove 71, the screening plate 73 is fixedly installed at the bottom end of the limiting ring 72, and the fixing screw 74 is symmetrically threadedly installed in the base 3 and the positioning groove 71.

[0037] During use, the position of the screen plate 73 is reinforced by inserting the limit ring 72 into the positioning groove 71 and then using the fixing screw 74. Thereafter, when the suction pipe 2 and the main pump 1 extract water from the inside of the tunnel, the screen plate 73 can filter out larger impurities in the groundwater to prevent scratches on the inside of the pipe.

[0038] By the attached Figure 6 As shown, in this embodiment, a filter screen is fixedly installed inside the screening plate 73. During use, the screening plate 73 can filter larger impurities in the groundwater to prevent scratches on the inside of the pipeline.

[0039] By the attached Figure 6 As shown, in this embodiment, the base 3 and the positioning groove 71 are symmetrically provided with threaded grooves for installing auxiliary fixing screws 74, which facilitate the rapid installation and reinforcement of the entire component of the filtering mechanism 7 during use, so that the filtering effect of the component itself can be fully exerted.

[0040] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A water pumping device for use in coal mines, comprising a main pump (1), a suction pipe (2), a base (3) and a lifting plate (4), wherein the suction pipe (2) is fixedly mounted on the water inlet end of the main pump (1), the base (3) is fixedly mounted on one side of the end of the suction pipe (2), and the lifting plate (4) is symmetrically arranged outside the suction pipe (2), characterized in that: A floating mechanism (5) is fixedly mounted on the side of the lifting plate (4), and the floating mechanism (5) comprises a fixed ring (51), a calibration block (52), a floating ball (53) and a lifting groove (54). A fixed ring (51) is fixedly mounted on the side of the lifting plate (4), and the calibration block (52) is symmetrically fixedly mounted on both sides of the lifting plate (4). A lifting groove (54) is provided inside the suction tube (2), and the lifting groove (54) is slidably connected to the calibration block (52). The floating ball (53) is fixedly mounted on the outside of the fixed ring (51) at an equal distance. A connecting mechanism (6) is fixedly mounted inside the suction tube (2), and a filtering mechanism (7) is fixedly mounted at the bottom end of the base (3).

2. A pumping device for use in coal mines according to claim 1, characterized in that: The overall length of the lifting slot (54) is greater than twice the length of the lifting plate (4) itself.

3. A pumping device for use in coal mines according to claim 1, characterized in that: The top end of the lifting plate (4) is in a trapezoidal shape.

4. The pumping device for use in coal mines according to claim 1, characterized in that: The connecting mechanism (6) comprises a mounting shell (61), a trigger block (62), a spring (63) and a trigger switch (64); the mounting shell (61) is arranged inside the suction tube (2); the trigger block (62) is slidably mounted inside the mounting shell (61); the trigger switch (64) is fixedly mounted inside the mounting shell (61); and a spring (63) is arranged between the trigger switch (64) and the trigger block (62).

5. A pumping device for use in coal mines according to claim 4, characterized in that: The connecting mechanism (6) is provided with two groups in total, the two groups of mounting shells (61) have different heights, and the touch switches (64) are connected in parallel.

6. The water pumping device for use in coal mines according to claim 1, characterized in that: The filtering mechanism (7) comprises a positioning groove (71), a limiting ring (72), a screening plate (73) and a fixing screw (74); the base (3) is provided with a positioning groove (71); the limiting ring (72) is slidably mounted inside the positioning groove (71); the screening plate (73) is fixedly mounted at the bottom end of the limiting ring (72); and the fixing screw (74) is symmetrically threadedly mounted inside the base (3) and the positioning groove (71).

7. A pumping device for use in coal mines according to claim 6, characterized in that: A filter screen is fixedly installed inside the screening plate (73).

8. The water pumping device for use in coal mines according to claim 6, characterized in that: The base (3) and the positioning groove (71) are symmetrically provided with thread grooves for installing the auxiliary fixing screw (74).

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