Water pumping and draining device for coal mining working face

Abstract

The utility model discloses a water pumping and draining device for a coal mining face in the field of water pumping and draining, which comprises a shell, a top part connected to the top of the shell, a pollution discharge part rotatably connected to the side surface of the shell, an air inlet window connected to the side surface of the shell, a connecting pipe connected to the bottom of the side surface of the shell in a penetrating manner, and a water pump connected to the other end of the connecting pipe, according to the device, the water pumping use stability in the coal mine environment can be effectively improved, and compared with a traditional device, the device can periodically discharge impurities in the device, so that the manual cleaning frequency is reduced, and the long-time continuous use stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage technology field especially is related to a coal mine mining working face drainage device. BACKGROUND

[0002] Drainage device refers to the suction (water) nozzle, exhaust (water) nozzle each one, and can form a vacuum or negative pressure at the inlet, and the exhaust nozzle forms a micro positive pressure, the working medium can be gas, also can be liquid, the small and exquisite instrument, in the prior art, when carrying out water pumping and drainage through the drainage device, since the impurities will enter the water in the process of coal mining, the impurities entering the pump body can easily cause the pump body to be blocked, which can cause the drainage to be not smooth, and can also affect the efficiency of water pumping.

[0003] The Chinese patent with publication number CN217029008U discloses a coal mine mining working face remote control drainage device, which comprises: a body, a pump body, a water inlet on the surface of the pump body, a filter mechanism, a fixed block, a connecting block, a filter screen, and an expansion slot.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the above-mentioned scheme intercepts the obstacles in the water pumping process through the filter structure, and after long-time continuous use, the above-mentioned device still has the problem of decreased drainage efficiency due to the accumulation of obstacles on the surface of the filter structure. SUMMARY

[0005] The purpose of this section is to outline 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 abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] The utility model discloses a coal mine mining working face pumping drainage device, including the casing, the casing top is connected with the top part, and the casing side is rotatably connected with the blow-off part, and the casing side is connected with the air inlet, and the casing side bottom is connected with the connecting pipe, and the other end of connecting pipe is connected with the water pump, and the casing inside is slidably connected with the filter part.

[0007] The utility model discloses a coal mine mining working face pumping drainage device, including the casing, the casing top is connected with the top part, and the casing side is rotatably connected with the blow-off part, and the casing side is connected with the air inlet, and the casing side bottom is connected with the connecting pipe, and the other end of connecting pipe is connected with the water pump, and the casing inside is slidably connected with the filter part.

[0008] Through the above technical scheme, the sewage mixture entering the device can be coarsely filtered through the structure of the top part, and damage of the filter screen structure caused by large particle impurities is avoided, and the impurities blocked by the filter part can be discharged during use, so that the long-term use stability of the device is ensured.

[0009] Preferably, the top part includes a triangular filter screen connected to the top of the casing, a side baffle connected to the side of the triangular filter screen, and coarse filter holes arranged in a matrix on the surface of the triangular filter screen.

[0010] Through the above technical scheme, the stability of the top filtering effect of the device can be effectively improved through the structure of the triangular filter screen, and the triangular structure can prevent the top of the device from being covered by impurities, thereby ensuring the stable entry of water flow into the device.

[0011] Preferably, the blow-off part includes a rotating damping support connected to the side of the casing, and a blocking plate rotatably connected to the rotating damping support, and a blow-off hole is provided through the side of the casing, and the blocking plate is arranged above the blow-off hole.

[0012] Through the above technical scheme, the combination of the blocking plate and the blow-off hole can effectively discharge the impurities on the upper surface of the filter screen when the filter screen slides, thereby avoiding the problem that impurities are always retained in the traditional simple filtering and intercepting structure.

[0013] Preferably, the filter part includes a sliding groove provided on the inner wall of the casing, an inclined filter screen slidably connected to the inner wall of the sliding groove, fine filter holes arranged in a matrix on the inclined filter screen, and the lower part of the inclined filter screen is inclined towards the direction of the blow-off hole.

[0014] By adopting the technical scheme, the structure of the inclined filter screen can guide impurities when the device is filtering, so that the automatic discharging effect of the device is realized.

[0015] Preferably, the spring support is connected to the side of the inner wall of the shell, the spring is connected to the top of the spring support, and the top of the spring is connected to the bottom of the inclined filter screen.

[0016] By adopting the technical scheme, the combination of the spring support and the spring can effectively improve the stability of the elastic lifting and sliding of the device, so that the self-adaptive pollution discharge effect is realized to avoid the blockage of the inclined filter screen.

[0017] Preferably, the bottom of the inclined filter screen is connected with a blocking piece, the side of the shell is provided with an air inlet hole, the outer side of the air inlet hole is connected with the air inlet window, and the blocking piece is arranged on the surface of the air inlet hole.

[0018] By adopting the technical scheme, the air inlet window can realize the effect of releasing the internal air pressure, so that the rebound effect of the filter screen is realized.

[0019] Preferably, the top of the shell is connected with a sealing piece, and the sealing piece is arranged at the joint between the triangular filter screen and the top of the shell.

[0020] By adopting the technical scheme, the structure of the sealing piece can ensure that the shell and the triangular filter screen do not leak, and the sealing stability of the internal space of the shell of the device is ensured.

[0021] Preferably, the side of the rotating damping support is provided with a rotating damping piece, the rotating damping piece is connected with the side of the blocking plate, and the width of the blocking plate is greater than the width of the pollution discharge hole.

[0022] By adopting the technical scheme, the structure of the rotating damping piece can facilitate the adjustment of the inclination angle of the fixed blocking plate, so that the rotating adjustment is performed according to the actual use condition.

[0023] In summary, the utility model has at least one of the following beneficial effects:

[0024] The triangular filter structure on the top and the inclined filter structure inside the device can reduce the impurities in the sewage from entering the water pump, so that the stable water pumping effect of the device is realized, and when the inclined filter screen is blocked, the filter screen can be lifted and slid by the change of air pressure, so that the self-adaptive pollution discharge effect of the device is realized, and the stability of the device for long-time continuous use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 This is a front view of an embodiment of a coal mine excavation working face pumping and drainage device according to the utility model;

[0027] Figure 2 This is a schematic structural diagram of a water pump in an embodiment of the present utility model;

[0028] Figure 3 This is a schematic structural diagram of the inclined filter screen in an embodiment of the present utility model;

[0029] Figure 4 This is a schematic structural diagram of a blocking member in an embodiment of the present utility model;

[0030] Figure 5 This is a schematic structural diagram of the air inlet in an embodiment of the present utility model;

[0031] Figure numerals: 1. Shell; 2. Top component; 201. Triangular filter screen; 202. Coarse filter hole; 203. Side baffle; 3. Sewage discharge component; 301. Sewage hole; 302. Rotating damping bracket; 303. Blocking plate; 4. Air intake window; 5. Water pump; 6. Filter component; 601. Inclined filter screen; 602. Sliding groove; 603. Fine filter hole; 604. Spring bracket; 605. Spring; 606. Blocking member; 607. Air intake hole. DETAILED DESCRIPTION

[0032] The following is combined with Figures 1-5 The utility model is described in further detail.

[0033] Example 1, as Figures 1-5 As shown, in order to solve the existing problems, in this embodiment, the utility model discloses a coal mine mining working face pumping and drainage device, including a shell 1, a top component 2 is connected to the top of the shell 1, a sewage discharge component 3 is rotatably connected to the side of the shell 1, an air intake window 4 is connected to the side of the shell 1, a connecting pipe is connected through the bottom of the side of the shell 1, and a water pump 5 is connected to the other end of the connecting pipe. A filter component 6 is slidably connected to the inside of the shell 1.

[0034] The top component 2 includes a triangular filter screen 201 connected to the top of the shell 1 , a side baffle 203 is connected to the side of the triangular filter screen 201 , and a surface of the triangular filter screen 201 is provided with coarse filter holes 202 distributed at equal intervals in a matrix.

[0035] The pollution discharging component 3 comprises a rotation damping support 302 connected to the side of the shell 1, and a blocking plate 303 rotation damping connected to the rotation damping support 302, and the shell 1 is provided with a pollution discharging hole 301 penetratingly arranged on the side, and the blocking plate 303 is arranged above the pollution discharging hole 301.

[0036] The filtering component 6 comprises a sliding groove 602 arranged on the inner wall side of the shell 1, and an inclined filter screen 601 sliding connected to the inner wall of the sliding groove 602, and a plurality of fine filter holes 603 are arranged on the inclined filter screen 601 in a matrix and equidistant manner, and the lower part of the inclined filter screen 601 is inclined towards the direction of the pollution discharging hole 301.

[0037] The shell 1 is connected with a spring support 604 on the inner wall side, and the spring support 604 is connected with a spring 605 on the top, and the top of the spring 605 is connected with the bottom of the inclined filter screen 601.

[0038] The specific working principle is that the device can effectively improve the efficiency and stability of the sewage treatment in the coal mine, and has the automatic pollution discharging function compared with the traditional device.

[0039] When the device is used, the water pumping effect of the device can be realized by the water pump 5, and the shell 1 is placed at a lower position in use, at this time, the sewage enters the device from the top triangular filter screen 201, the triangular filter screen 201 can perform coarse filtration on the sewage, and the triangular structure can prevent impurities from accumulating at the center, when the sewage enters the shell 1, the sewage is filtered again by the inclined filter screen 601, and the inclination angle of the inclined filter screen 601 can make the impurities in the sewage roll down to the pollution discharging hole 301, and in a long time use, the inclined filter screen 601 will be blocked by the small impurities, so that the water flow cannot pass through.

[0040] When the inclined filter screen 601 is blocked, the water pump 5 continues to work at this time, which reduces the pressure below the shell 1, and then makes the inclined filter screen 601 slide downward, at this time, the spring 605 is compressed under the downward sliding of the inclined filter screen 601, when the spring 605 is in a normal state, the blocking piece 606 covers the surface of the air inlet hole 607 at this time, with the decline of the inclined filter screen 601, the blocking piece 606 is dislocated with the air inlet hole 607, so that the air inlet hole 607 is conducted, the air inlet hole 607 is conducted, so that the external air enters the lower area inside the shell 1, so that the internal pressure of the lower area rises rapidly, at this time, the inclined filter screen 601 is rapidly rebounded upward under the driving of the spring 605, and then the impurities on the surface of the inclined filter screen 601 are shaken off, so that the self-adaptive pollution discharging effect is realized.

[0041] In the second embodiment, the pollution discharging component 3 comprises a rotation damping support 302 connected to the side of the shell 1, and a blocking plate 303 rotation damping connected to the rotation damping support 302, and the shell 1 is provided with a pollution discharging hole 301 penetratingly arranged on the side, and the blocking plate 303 is arranged above the pollution discharging hole 301. Figures 1-5As shown, in order to solve the existing problems in the embodiment, based on the same idea as the first embodiment, the coal mining working face drainage device further comprises: the bottom of the inclined filter screen 601 is connected with a blocking piece 606, the side of the shell 1 is provided with an air inlet hole 607, the outer side of the air inlet hole 607 is connected with the air inlet window 4, and the blocking piece 606 is arranged on the surface of the air inlet hole 607.

[0042] The top of the shell 1 is connected with a sealing piece, and the sealing piece is arranged at the joint between the triangular filter screen 201 and the top of the shell 1.

[0043] The side of the rotation damping support 302 is provided with a rotation damping piece, the rotation damping piece is connected with the side of the blocking plate 303 in a rotation damping mode, and the width of the blocking plate 303 is greater than the width of the blowhole 301.

[0044] Specific working principle is: through the device can effectively improve the sewage treatment effect under the coal environment, through the device structure can reduce the probability of being blocked.

[0045] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A device for pumping water from a coal face, comprising a housing (1), characterised in that, The shell (1) top is connected with top part (2), the shell (1) side is rotatably connected with the pollution discharge part (3), the shell (1) side is connected with the air inlet window (4), the shell (1) side bottom is connected with the connecting pipe, the connecting pipe other end is connected with the water pump (5), the shell (1) inside is slidably connected with the filter part (6).

2. The coal mine working face water drainage device according to claim 1, characterized in that, The top part (2) includes a triangular filter screen (201) connected to the top of the shell (1), a side baffle (203) connected to the side of the triangular filter screen (201), and coarse filter holes (202) arranged in a matrix on the surface of the triangular filter screen (201).

3. The coal face drainage device according to claim 2, characterized in that, The pollution discharge part (3) includes a rotating damping support (302) connected to the side of the shell (1), a blocking plate (303) rotatably and dampingly connected to the rotating damping support (302), and a pollution discharge hole (301) penetratingly arranged on the side of the shell (1), wherein the blocking plate (303) is arranged above the pollution discharge hole (301).

4. The coal face drainage device according to claim 3, characterized in that, The filter part (6) includes a sliding groove (602) arranged on the inner wall side of the shell (1), an inclined filter screen (601) slidably connected to the inner wall of the sliding groove (602), fine filter holes (603) arranged in a matrix on the inclined filter screen (601), and the lower part of the inclined filter screen (601) inclined towards the direction of the pollution discharge hole (301).

5. The coal face drainage device according to claim 4, characterized in that, The inner wall side of the shell (1) is connected with a spring support (604), the top of the spring support (604) is connected with a spring (605), and the top of the spring (605) is connected with the bottom of the inclined filter screen (601).

6. The coal face drainage device according to claim 5, characterized in that, The bottom of the inclined filter screen (601) is connected with a blocking piece (606), the side of the shell (1) is penetratingly provided with an air inlet hole (607), the outer side of the air inlet hole (607) is connected with the air inlet window (4), and the blocking piece (606) is arranged on the surface of the air inlet hole (607).

7. The coal face drainage device according to claim 6, characterized in that, The top of the shell (1) is connected with a sealing piece arranged at the joint between the triangular filter screen (201) and the top of the shell (1).

8. The coal face drainage device according to claim 7, characterized in that, The side of the rotating damping support (302) is provided with a rotating damping piece rotatably and dampingly connected with the side of the blocking plate (303), and the width of the blocking plate (303) is greater than the width of the pollution discharge hole (301).

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