Mining water pump with anti-blocking function

Abstract

The utility model relates to a mining water pump with an anti-blocking function, which comprises a filter screen arranged on a water inlet pipe of the water pump, the filter screen is positioned at a water inlet of the water inlet pipe, and the filter screen covers the flow section of the water inlet; the filter screen is rotationally arranged on the water inlet pipe, and the rotating axis of the filter screen is the same as the axis of the water inlet pipe; a propeller is fixedly arranged on the filter screen, and the axis of the propeller is the same as the rotation axis of the filter screen; the filter screen is driven by water flow and the propeller to rotate on the water inlet, so that impurities on the filter screen are thrown out through centrifugal force, the water inlet is prevented from being blocked, and the device is simple, efficient, safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field especially with the anti -blocking function's mine water pump of a kind of. BACKGROUND

[0002] Mine water pump is the pump equipment specially designed for mining industry, it plays a key role in the mining process, mainly for water delivery, discharge and processing;And mine water pump usually has higher lift capacity and large flow processing capacity;And mine has a large amount of mineral, gravel and other impurities;Therefore the water inlet of mine water pump often sucks a large amount of impurities, easy to make the internal blockage of water pump body, cause the impeller cannot rotate, cause water pump cannot work normally, even burn motor.

[0003] And the existing water pump usually sets filter device at the water inlet of water pump to filter out the impurities in water, but the mineral, gravel and other impurities of mine are not the same in size and shape, also easy to cause the blockage of filter device;Therefore a kind of anti-blocking mine water pump that can automatically remove impurities is required. SUMMARY

[0004] The utility model provides a kind of mine water pump with anti-blocking function, which is simple, efficient, safe and reliable, and easy to operate, by rotating the filter screen on the water inlet driven by water flow and propeller, so that the impurities on the filter screen are thrown out by centrifugal force, preventing the water inlet from being blocked.

[0005] The utility model is realized by the following technical scheme, provide with the anti-blocking function's mine water pump, including the filter screen being set in the water pump inlet pipe, filter screen is located in the water inlet of inlet pipe, and filter screen covers the flow cross section of water inlet;Filter screen is rotationally arranged on inlet pipe, and the rotation axis of filter screen is same with the axis of inlet pipe;Screw propeller is fixed on filter screen, and the axis of screw propeller is same with the rotation axis of filter screen;Filter screen is rotated on water inlet driven by water flow and propeller, so that the impurities on filter screen are thrown out by centrifugal force, preventing the water inlet from being blocked.

[0006] As optimization, filter screen is conical structure, and the top of filter screen is located on the side away from inlet pipe;Water flow driven by water pump automatically cleans the impurities on filter screen.

[0007] As optimization, sliding chute is opened on inlet pipe and extends along the circumference of inlet pipe, and the edge part of filter screen is slidably arranged in sliding chute;Sliding chute provides support force to the edge of filter screen, preventing filter screen from deviating.

[0008] As optimization, the water inlet pipe is provided with a leakage prevention plate extending along the circumference of the water inlet pipe and inclined along the conical surface of the filter screen, the leakage prevention plate is located on the side of the filter screen facing the water inlet pipe, and the projection of the leakage prevention plate and the water inlet pipe on the axial direction of the water inlet pipe overlaps.

[0009] As optimization, the water inlet is provided with a protection support arranged around the filter screen, and a discharge port is arranged at the intersection between the protection support and the extension surface of the filter screen; the protection support provides space for the rotation of the filter screen, preventing the filter screen from failing to rotate.

[0010] As optimization, the side of the filter screen away from the water inlet pipe is fixedly provided with a discharge plate extending along the radial direction of the water inlet pipe; the discharge plate provides a rotating thrust for the impurities on the filter screen, thereby increasing or decreasing the residence time of the impurities on the filter screen.

[0011] As optimization, a steel brush is fixedly arranged in the water inlet pipe, the steel brush is located on the side of the filter screen facing the water inlet pipe, and the steel brush is arranged in close contact with the side of the filter screen facing the water inlet pipe; the steel brush cleans the impurities stuck on the filter screen.

[0012] The beneficial effects of the utility model are as follows: the filter screen is rotated on the water inlet by the water flow and the propeller, so that the impurities on the filter screen are thrown out by centrifugal force, preventing the water inlet from being blocked; the water flow driven by the water pump automatically cleans the impurities on the filter screen; the sliding groove provides support force for the edge of the filter screen, preventing the filter screen from deviating; the leakage prevention plate prevents the impurities from entering the water pump through the gap between the water inlet pipe and the filter screen, thereby preventing the water pump from being blocked; the protection support provides space for the rotation of the filter screen, preventing the filter screen from failing to rotate; the discharge plate provides a rotating thrust for the impurities on the filter screen, thereby increasing or decreasing the residence time of the impurities on the filter screen; the steel brush cleans the impurities stuck on the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a sectional view of the utility model;

[0014] Figure 2 is an exploded view of the utility model;

[0015] Figure 3 is a structural schematic view of the utility model;

[0016] shown in the drawings:

[0017] 1, water inlet pipe, 2, filter screen, 3, propeller, 4, leakage prevention plate, 5, protection support, 6, discharge plate, 7, steel brush, 8, ball, 401, sliding groove. DETAILED DESCRIPTION

[0018] To clearly illustrate the technical features of the present scheme, the present scheme is described below through specific embodiments.

[0019] As Figure 1 and Figure 2 shown, the mine water pump with anti-blocking function of the utility model, including setting in water pump water inlet pipe 1 filter screen 2, filter screen 2 is located in the water inlet of water inlet pipe 1, and filter screen 2 covers the flow cross section of water inlet, filter screen 2 is rotated on water inlet pipe 1, and the rotation axis of filter screen 2 and the axis of water inlet pipe 1 are same, filter screen 2 is fixed with propeller 3, and the axis of propeller 3 and the rotation axis of filter screen 2 are same, filter screen 2 is provided with filter hole, and the inside and outside of water inlet pipe 1 are communicated through filter hole, propeller 3 is located in the side of filter screen 2 towards water inlet pipe 1, and propeller 3 is located in water inlet pipe 1.

[0020] Water pump starts, and the water flow outside water inlet pipe 1 passes through the filter hole of filter screen 2 and enters water inlet pipe 1, and the impurities in water flow stay on filter screen 2, propeller 3 rotates under the action of water flow and drives filter screen 2 to rotate synchronously, and the impurities on filter screen 2 rotate synchronously and generate centrifugal force, and the impurities on filter screen 2 are separated from filter screen 2 under the action of impurities.

[0021] As Figure 1 and Figure 2 shown, filter screen 2 is conical structure, and the top of filter screen 2 is located on the side away from water inlet pipe 1.

[0022] Water pump starts, and water flow flows towards filter screen 2, and the impurities in water flow stay on filter screen 2, and water flow passes through the filter hole of filter screen 2 and enters water inlet pipe 1, and the impurities on filter screen 2 slide along the taper surface of filter screen 2 under the action of water flow and are separated from filter screen 2.

[0023] As Figure 1 and Figure 2 shown, water inlet pipe 1 is provided with chute 401 extending along the circumference of water inlet pipe 1, and the edge part of filter screen 2 is slidably arranged in chute 401, the edge part of filter screen 2 is provided with recesses arranged uniformly along the edge of filter screen 2, and ball 8 matched with chute 401 is arranged in recess, and ball 8 is slidably arranged in recess.

[0024] Water pump starts, and water flow flows towards filter screen 2, and filter screen 2 rotates on water inlet pipe 1 under the action of propeller 3.

[0025] As Figure 1 and Figure 2 shown, water inlet pipe 1 is provided with leakage-proof plate 4 extending along the circumference of water inlet pipe 1 and inclinedly arranged along the taper surface of filter screen 2, leakage-proof plate 4 is located on the side of filter screen 2 towards water inlet pipe 1, and the projection of leakage-proof plate 4 and water inlet pipe 1 along the axial direction of water inlet pipe 1 is overlapped, and chute 401 is located on leakage-proof plate 4.

[0026] Impurities on the filter screen 2 slide along the taper surface of the filter screen 2 under the action of the water flow and are separated from the filter screen 2, and the impurities separated from the filter screen 2 fall on the leakage-proof plate 4 and roll on the leakage-proof plate 4 until the impurities are completely separated from the water inlet pipe 1.

[0027] As shown in Figure 1 and Figure 3 , the water inlet is provided with a protective support 5 arranged around the filter screen 2, and a discharge port is arranged at the position where the protective support 5 and the extension surface of the filter screen 2 intersect; a plurality of water inlets are arranged on the protective support 5, the water inlets are arranged in sequence around the protective support 5, and the water inlets are arranged on one side of the protective support 5 in the axial direction of the water inlet pipe 1.

[0028] The water pump is put into the water flow in the mine field, the protective support 5 protects the filter screen 2 to prevent the filter screen 2 from directly contacting the impurities; the water pump is started, the water flow enters the protective support 5 through the gap of the protective support 5, the water flow enters the water inlet pipe 1 through the filter screen 2, the filter screen 2 filters out the impurities in the water flow, and the impurities are discharged through the discharge port on the protective support 5.

[0029] As shown in Figure 1 and Figure 2 , the filter screen 2 is fixed with a discharge plate 6 extending in the radial direction of the water inlet pipe 1 on the side away from the water inlet pipe 1.

[0030] The filter screen 2 rotates and synchronously drives the discharge plate 6 to rotate, the discharge plate 6 drives the impurities on the filter screen 2 to rotate, and the impurities are separated from the filter screen 2 under the action of the centrifugal force in the rotating process.

[0031] As shown in Figure 1 and Figure 2 , a steel brush 7 is fixed in the water inlet pipe 1, the steel brush 7 is located on the side of the filter screen 2 facing the water inlet pipe 1, and the steel brush 7 is arranged in close contact with the side of the filter screen 2 facing the water inlet pipe 1.

[0032] During the rotation of the filter screen 2, the steel brush 7 cleans the impurities on the filter screen 2.

[0033] In actual production process, the water pump is put into the water flow in the mine field, the protection support 5 protects the filter screen 2, and direct contact of the filter screen 2 with impurities is prevented; the water pump is started, the water flow enters the protection support 5 through the gap of the protection support 5, the water flow outside the water inlet pipe 1 passes through the filter hole of the filter screen 2 and enters the water inlet pipe 1, and the impurities in the water flow stay on the filter screen 2; the impurities on the filter screen 2 slide along the taper surface of the filter screen 2 towards the outside of the filter screen 2 under the action of the water flow, at the same time, the propeller 3 rotates under the action of the water flow and drives the filter screen 2 to rotate synchronously, the steel brush 7 cleans the impurities on the filter screen 2, at the same time, the filter screen 2 drives the discharge plate 6 to rotate synchronously, the discharge plate 6 drives the impurities on the filter screen 2 to rotate, and the impurities slide towards the outside of the filter screen 2 under the action of centrifugal force in the rotating process; the impurities separated from the filter screen 2 fall on the leakage-proof plate 4, slide outwards on the leakage-proof plate 4 and are discharged through the discharge port on the protection support 5.

[0034] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model is described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A mine water pump with anti-blocking function, comprising a filter screen (2) arranged at a water inlet pipe (1) of the water pump, the filter screen (2) being located at a water inlet of the water inlet pipe (1) and covering a flow passage cross section of the water inlet; characterized in that: The filter screen (2) is arranged on the water inlet pipe (1), and the rotation axis of the filter screen (2) is the same as the axis of the water inlet pipe (1); the propeller (3) is fixed on the filter screen (2), and the axis of the propeller (3) is the same as the rotation axis of the filter screen (2).

2. The mine water pump with anti-blocking function according to claim 1, characterized in that: The filter screen (2) is a conical structure, and the top of the filter screen (2) is located on the side away from the water inlet pipe (1).

3. The mine water pump with anti-blocking function according to claim 1, characterized in that: The water inlet pipe (1) is provided with a sliding groove (401) extending along the circumference of the water inlet pipe (1), and the edge of the filter screen (2) is slidably arranged in the sliding groove (401).

4. The mine water pump with anti-blocking function according to claim 2, characterized in that: The water inlet pipe (1) is provided with a leakage prevention plate (4) extending along the circumference of the water inlet pipe (1) and inclined to the conical surface of the filter screen (2), the leakage prevention plate (4) is located on the side of the filter screen (2) facing the water inlet pipe (1), and the projection of the leakage prevention plate (4) and the water inlet pipe (1) on the axis of the water inlet pipe (1) overlaps.

5. The mine water pump with anti-blocking function according to claim 1, characterized in that: The water inlet is provided with a protective support (5) arranged around the filter screen (2), and the protective support (5) is provided with a discharge port at the position where the protective support (5) and the extension surface of the filter screen (2) intersect.

6. The mine water pump with anti-blocking function according to claim 1, characterized in that: The side of the filter screen (2) away from the water inlet pipe (1) is fixed with a discharge plate (6) extending along the radial direction of the water inlet pipe (1).

7. The mine water pump with anti-blocking function according to claim 1, characterized in that: The water inlet pipe (1) is fixed with a steel brush (7), the steel brush (7) is located on the side of the filter screen (2) facing the water inlet pipe (1), and the steel brush (7) is arranged in close contact with the side of the filter screen (2) facing the water inlet pipe (1).

Images