Self-suction type water pumping device of coal mine anti-explosion watering cart

Abstract

The utility model discloses a self-suction type water pumping device of a coal mine anti-explosion watering cart, which relates to the technical field of coal mine decontamination and comprises a power takeoff, the power takeoff is mounted on a gearbox of the watering cart, a power shaft of the power takeoff outputs power through the gearbox, the power takeoff is connected with a transmission shaft of a self-suction pump, and the self-suction pump is connected with the self-suction pump. The self-priming pump is installed on the bottom side of the watering cart, a water pumping pipe is installed at the water inlet end of the self-priming pump, and a water conveying pipe is installed at the water drainage end of the self-priming pump. According to the self-suction type water pumping device of the coal mine anti-explosion watering cart, the self-suction pump is driven by the additionally-arranged power takeoff, the impeller of the self-suction pump rotates to convey accumulated water to the water tank through the water conveying pipe and the liquid return pipe, the purpose of rapidly cleaning the accumulated water in a roadway is achieved, and the cleaning efficiency of the accumulated water in the roadway is multiplied; and through the arranged liquid separating valve, the pumped water can be selectively conveyed to the water tank to be collected and can also be sprayed out again through the water spraying pipe to be used for operation such as dirt cleaning and flushing, and the use scene of the water pumping device is improved.

Description

Technical Field

[0001] This utility model relates to the field of coal mine cleaning and decontamination technology, specifically to a self-priming water pumping device for a coal mine explosion-proof sprinkler truck. Background Technology

[0002] The auxiliary transportation system in coal mines is a crucial link in coal mine production, mainly responsible for transporting personnel, equipment, support materials, and non-coal materials such as gangue. The auxiliary transportation system in coal mines is approximately 50 km long, and most of the roadways are equipped with water supply and drainage pipelines. When repairing these damaged pipelines, water accumulation in the roadways is very likely to occur. In addition, some goaf areas are affected by floor heave, and local water outlets are prone to causing water accumulation in the roadways. When cleaning up this water, manual cleaning and pumping is not only labor-intensive, time-consuming and labor-intensive, but also the water accumulation is not thorough enough. Therefore, the quality of water accumulation cleaning in the roadways is not high. To address these problems, this application proposes a self-priming water pumping device for explosion-proof sprinkler trucks in coal mines. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a self-priming water pumping device for explosion-proof water sprinkler trucks in coal mines, solving the technical problems mentioned in the background.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a self-priming water pumping device for a coal mine explosion-proof sprinkler truck, comprising a power take-off (PTO), wherein the PTO is installed on the gearbox of the sprinkler truck, and the power shaft of the PTO outputs power through the gearbox. The PTO is connected to the drive shaft of the self-priming pump, and the self-priming pump is installed on the bottom side of the sprinkler truck. A water pumping pipe is installed at the water inlet end of the self-priming pump, and a water delivery pipe is installed at the water outlet end of the self-priming pump. The other end of the water delivery pipe is connected to a liquid distribution valve. A return pipe and a spray pipe are connected to the liquid distribution valve, and the other end of the return pipe is connected to the water inlet of the water tank.

[0007] Preferably, the liquid distribution valve is a two-way liquid distribution valve, and the two liquid distribution lines of the liquid distribution valve are respectively connected to the return liquid pipe and the spray water pipe, and both liquid distribution lines of the liquid distribution valve are equipped with rotary valves.

[0008] Preferably, a storage box is installed on one side of the sprinkler truck, and the storage box stores the water pumping pipe and the water spraying pipe.

[0009] Preferably, the outlet of the water spray pipe is provided with a spray head.

[0010] Preferably, the pneumatic controller of the power take-off is installed in the cab of the water truck.

[0011] (III) Beneficial Effects

[0012] The beneficial effects of this utility model are as follows:

[0013] This type of explosion-proof water sprinkler truck for coal mines uses a self-priming pump driven by an added power take-off. The impeller of the self-priming pump rotates and transports the accumulated water to the water tank through the water delivery pipe and return pipe, achieving the purpose of quickly cleaning up the water in the roadway. The efficiency of cleaning up the water in the roadway is greatly improved. Through the set liquid distribution valve, the pumped water can not only be selectively transported to the water tank for collection, but it can also be sprayed out again through the water spray pipe for cleaning and rinsing operations, thus expanding the application scenarios of this pumping device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional cross-sectional view of the bottom of the sprinkler truck of this utility model;

[0015] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0016] In the picture: 1 Power Take-off, 2 Self-priming pump, 3 Water suction pipe, 4 Water delivery pipe, 5 Liquid distribution valve, 6 Return pipe, 7 Water tank, 8 Water spray pipe, 9 Storage box. Detailed Implementation

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] like Figure 1-2As shown, this utility model provides a technical solution: a self-priming water pumping device for a coal mine explosion-proof sprinkler truck, including a power take-off (PTO) 1. The PTO 1 extracts power from the transmission shaft of the sprinkler truck's gearbox via a hollow shaft, transmits it to the input gear through a meshing gear sleeve, and then drives the transmission shaft of the self-priming pump 2 through the output shaft. The pneumatic controller of the PTO 1 is installed in the cab of the sprinkler truck and is connected to the sprinkler truck's air tank. The PTO 1 is installed on the sprinkler truck's gearbox, and the power shaft of the PTO 1 outputs power through the gearbox. The power unit 1 is connected to the drive shaft of the self-priming pump 2, and the self-priming pump 2 is installed on the underside of the sprinkler truck. A water inlet pipe 3 is installed on the inlet end of the self-priming pump 2, and a water delivery pipe 4 is installed on the outlet end of the self-priming pump 2. The other end of the water delivery pipe 4 is connected to a liquid distribution valve 5. A return pipe 6 and a spray pipe 8 are connected to the liquid distribution valve 5. The liquid distribution valve 5 is a two-way valve, and its two distribution pipes are respectively connected to the return pipe 6 and the spray pipe 8, used to control the connection between the water delivery pipe 4 and one of the return pipe 6 or the spray pipe 8. Both distribution pipes of the liquid distribution valve 5 are equipped with… Equipped with a rotary valve, and with the other end of the return pipe 6 connected to the inlet of the water tank 7, after starting the sprinkler truck's engine, the power take-off 1 is opened via the pneumatic controller. The power take-off 1 drives the power shaft of the self-priming pump 2 to rotate, causing the impeller of the self-priming pump 2 to rotate. The inlet of the suction pipe 3 is placed into the water accumulation area, drawing water through the suction pipe 3 and delivering it to the distributor valve 5 via the water delivery pipe 4. Through the two distributor pipes on the distributor valve 5, and using the rotary valves on the distributor pipes, the rotary valve of the return pipe 6 is opened, allowing the drawn water to be selectively delivered through the return pipe 6. The water is sent to water tank 7 for collection. When the water collected in water tank 7 is relatively clear, the water spraying pipe can be used to spray water and eliminate dust in the alley. When there are many impurities in the water, the sewage pipe installed at the rear of water tank 7 can be used to discharge the water into water tank 7, thereby achieving the purpose of cleaning the water in the alley. The outlet of the water spraying pipe 8 is equipped with a spray head. After the rotary valve of the water spraying pipe 8 is opened, the water can be sprayed directly again through the water spraying pipe 8 for operations such as cleaning and rinsing the alley. A collection box 9 is installed on one side of the water truck, and the collection box 9 stores the unused water pumping pipe 3 and water spraying pipe 8.

[0019] The operational steps for this application are as follows:

[0020] After starting the engine of the water truck, the power take-off 1 is opened through the pneumatic controller. The power take-off 1 drives the power shaft of the self-priming pump 2 to rotate. The impeller of the self-priming pump 2 rotates, and the inlet of the water suction pipe 3 is placed into the water accumulation area. The water is drawn through the water suction pipe 3 and transported to the liquid distribution valve 5 through the water delivery pipe 4. Through the two liquid distribution pipes on the liquid distribution valve 5, the return pipe 6 or the spray pipe 8 can be opened by using the rotary valve on the liquid distribution pipe. The drawn water can be transported to the water tank 7 for collection through the return pipe 6. When the water collected in the water tank 7 is relatively clear, the water spray pipe can be used to spray water and eliminate dust in the alley. When there are more impurities in the water, the sewage pipe installed at the rear of the water tank 7 can be used to discharge the water from the water tank 7 to achieve the purpose of cleaning the water accumulation in the alley. Alternatively, it can be sprayed directly again through the spray pipe 8 for the cleaning and flushing of the alley.

[0021] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-priming water pumping device for a coal mine explosion-proof sprinkler truck, characterized in that: The system includes a power take-off (PTO) (1), which is installed on the gearbox of the sprinkler truck. The power shaft of the PTO (1) outputs power through the gearbox. The PTO (1) is connected to the drive shaft of the self-priming pump (2), which is installed on the bottom side of the sprinkler truck. The inlet end of the self-priming pump (2) is equipped with a water suction pipe (3), and the outlet end of the self-priming pump (2) is equipped with a water delivery pipe (4). The other end of the water delivery pipe (4) is connected to a liquid distribution valve (5). The liquid distribution valve (5) is connected to a return pipe (6) and a spray pipe (8). The other end of the return pipe (6) is connected to the inlet of the water tank (7).

2. The self-priming water pumping device for a coal mine explosion-proof sprinkler truck according to claim 1, characterized in that: The liquid distribution valve (5) is a two-way liquid distribution valve, and the two liquid distribution pipes of the liquid distribution valve (5) are respectively connected to the return pipe (6) and the spray pipe (8), and both liquid distribution pipes of the liquid distribution valve (5) are equipped with rotary valves.

3. The self-suction water pumping device of the coal mine explosion-proof watering cart according to claim 1, characterized in that: The water truck is equipped with a storage box (9) on one side, and the storage box (9) stores the water pumping pipe (3) and the water spraying pipe (8).

4. The self-suction water pumping device of the coal mine explosion-proof water spraying vehicle according to claim 1, characterized in that: The outlet of the water spray pipe (8) is equipped with a spray head.

5. The self-suction water pumping device of the coal mine explosion-proof water spraying vehicle according to claim 1, characterized in that: The pneumatic controller of the power take-off (1) is installed in the cab of the water truck.

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