Pneumatic water pump for mining

Abstract

The utility model relates to the technical field of drilling machine mining, and provides a pneumatic water pump for mining, which comprises a pump body, a piston, a first pneumatic electromagnetic valve and a second pneumatic electromagnetic valve, an air inlet, an air outlet, a water inlet and a water outlet are formed in the pump body; the piston is slidably arranged in the pump body; the first pneumatic electromagnetic valve is connected with the pump body through the air inlet; the second pneumatic electromagnetic valve is connected with the pump body through an air outlet; wherein the air inlet and the air outlet are arranged at intervals in the sliding direction of the piston, one-way valves are arranged in the water inlet and the water outlet, and the water inlet and the water outlet are located at the end, away from the air inlet and the air outlet, of the pump body. Therefore, the circulation time relay is matched with the electromagnetic gas valve to drive the air cylinder piston to act, pneumatic water pumping and pneumatic-electric control over overall accessories are achieved, the failure rate is effectively reduced, normal use can be recovered by independently replacing quick-wear parts such as the relay and the electromagnetic valve, the production and maintenance cost is reduced, and meanwhile the service life can be prolonged.

Description

Technical Field

[0001] This disclosure belongs to the field of drilling and mining technology, and in particular relates to a pneumatic water pump used in mining. Background Technology

[0002] Currently, environmental management requirements are very strict in the mining process. For example, drilling rigs used for drilling in mines need to be equipped with pneumatic water pumps for wet dust collection. The pneumatic water pumps water to atomize it into fine water droplets, which come into contact with and condense the dust, increasing the weight of the dust particles and effectively suppressing dust from flying.

[0003] Existing pneumatic water pumps use mechanical ventilation structures, such as rocker arm rotation that drives diaphragm vibration, to achieve pumping action. However, with prolonged use, this ventilation structure frequently switches, which can easily lead to diaphragm damage, resulting in a high failure rate and short service life for pneumatic water pumps. Summary of the Invention

[0004] To address the aforementioned issues, this disclosure provides a pneumatic water pump for mining operations. By employing a combination of a cycle time relay and a solenoid valve, the pump drives the cylinder piston to achieve pneumatic water pumping. The entire assembly is controlled by pneumatic and electrical systems, effectively reducing the failure rate. Furthermore, simply replacing vulnerable components such as the relay and solenoid valve restores normal operation, reducing production and maintenance costs while also extending service life.

[0005] The first aspect of this disclosure provides a pneumatic water pump for mining operations, the pump comprising: a pump body having an air inlet, an air outlet, a water inlet, and a water outlet; a piston slidably disposed within the pump body; a first pneumatic solenoid valve connected to the pump body via the air inlet; and a second pneumatic solenoid valve connected to the pump body via the air outlet; wherein the air inlet and the air outlet are spaced apart along the sliding direction of the piston, and each of the water inlet and the water outlet is provided with a one-way valve, the water inlet and the water outlet being located at the ends of the pump body away from the air inlet and the air outlet.

[0006] With this setup, during water pumping, air is introduced into the pump body via the first pneumatic solenoid valve, causing the piston to slide upwards within the pump body, thus pumping water in through the inlet via the check valve. Then, air is introduced into the pump body via the second pneumatic solenoid valve, causing the piston to slide downwards within the pump body, thus pumping water out through the outlet via the check valve. This achieves pneumatic pumping, with the entire pumping process controlled by pneumatic and electrical systems. This replaces the mechanical rocker arm and diaphragm vibration method for pumping water, effectively reducing the failure rate, lowering maintenance costs, and increasing the service life of the pneumatic water pump.

[0007] In some embodiments, the pump body includes a compression section and a water guide section connected together, the air inlet and the air outlet are both located on the compression section, and the water inlet and the water outlet are both located on the water guide section.

[0008] This configuration allows compressed air in the compression section to drive the piston, and water to be pumped in and out of the water guide section, thus achieving pneumatic water pumping.

[0009] In some embodiments, the air inlet and the air outlet are arranged side by side on the compression section along the direction in which the piston slides.

[0010] This design allows the piston to slide within the compression section due to the expansion of air, which helps the piston pump water in and out of the water guide section under negative pressure.

[0011] In some embodiments, the inlet and the outlet are disposed opposite to each other on the water guide portion.

[0012] This arrangement allows the inlet and outlet to be positioned far apart, which facilitates connection to external water pipes.

[0013] In some embodiments, the water pump further includes a first time relay and a second time relay, wherein the first time relay is connected to the first pneumatic solenoid valve and the second time relay is connected to the second pneumatic solenoid valve.

[0014] This configuration allows for adjustment of the interval between the first and second time relays based on actual site conditions, enabling the first and second time relays to repeat their actions at intervals. This, in turn, allows the first and second pneumatic solenoid valves to repeat their actions at intervals, thus achieving pneumatic water pumping.

[0015] In some embodiments, both the first pneumatic solenoid valve and the second pneumatic solenoid valve have an air inlet, an air outlet, and an air supply pipe. The air supply pipe of the first pneumatic solenoid valve is connected to the air inlet, and the air supply pipe of the second pneumatic solenoid valve is connected to the air outlet.

[0016] With this configuration, when the first pneumatic solenoid valve opens, air enters the air supply pipe through the air inlet, which then feeds into the pump body, causing the piston to slide upwards. At this time, the air above the piston is discharged from the outlet through the air supply pipe and out of the exhaust port of the second pneumatic solenoid valve. When the second pneumatic solenoid valve opens, air enters the air supply pipe through the air outlet, which then feeds into the pump body, causing the piston to slide downwards. At this time, the air below the piston is discharged from the inlet through the air supply pipe and out of the exhaust port of the first pneumatic solenoid valve. This process repeats, enabling the piston to move within the pump body, thereby facilitating the pneumatic pumping of water.

[0017] In some embodiments, the gas delivery pipe is detachably connected to the pump body. The pump body has a connection hole for inserting the gas delivery pipe. A pipe clamping sleeve is provided in the connection hole. The gas delivery pipe is slidably inserted into the pipe clamping sleeve and connected to the inside of the pump body. The pipe clamping sleeve is clamped to the outer wall of the gas delivery pipe.

[0018] With this setup, when the first or second solenoid valve needs to be replaced, simply pull the air supply pipe out of the sleeve and remove it from the connection hole to disassemble the air supply pipe and pump body. After replacement, simply insert the air supply pipe into the sleeve to secure it in the connection hole, thus connecting the air supply pipe to the pump body and facilitating the transmission of air through the air supply pipe.

[0019] In some embodiments, the tube sleeve is slidably disposed in the connection hole, and a spring is connected to the end of the tube sleeve located in the connection hole. The end of the spring away from the tube sleeve is fixed to the pump body. The inner wall of the tube sleeve is provided with a clamping protrusion, and the clamping protrusion is inclined toward the spring. The spring tension acts on the tube sleeve to clamp the clamping protrusion to the outer wall of the gas delivery pipe.

[0020] With this configuration, when the air supply tube is secured within the retaining sleeve, the tube inserts along the retaining protrusion. The spring tension acts on the retaining sleeve, causing it to slide towards the connection hole, bringing the retaining protrusion closer together. This secures the air supply tube within the connection hole. When removing the air supply tube from the retaining sleeve, the sleeve is pulled away from the pump body against the spring force, causing the retaining protrusion to move away from the spring and open, releasing the clamping force on the air supply tube and allowing for disassembly.

[0021] Compared with the prior art, this disclosure has the following advantages:

[0022] By using a combination of a time relay and a solenoid valve to drive the cylinder piston, pneumatic water pumping is achieved. The overall components are pneumatically and electrically controlled, which effectively reduces the failure rate. Furthermore, normal operation can be restored by simply replacing vulnerable parts such as relays and solenoid valves, thereby reducing production and maintenance costs and increasing service life.

[0023] Other features and advantages of this disclosure will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the disclosure. The objects and other advantages of this disclosure may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1This is a schematic diagram of a pneumatic water pump structure for mining, provided as an embodiment of the present disclosure.

[0026] Figure 2 This is a schematic diagram of the connection structure of the gas pipeline 9 provided in an embodiment of this disclosure;

[0027] Figure 3 Provided for the embodiments of this disclosure Figure 2 Enlarged diagram of part A in the image.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. Pump body; 11. Air inlet; 12. Air outlet; 13. Water inlet; 14. Water outlet; 15. Check valve; 16. Compression section; 17. Water guide section; 18. Connecting hole; 19. Pipe clamping sleeve; 191. Spring; 192. Clamping protrusion; 2. Piston; 3. First pneumatic solenoid valve; 4. Second pneumatic solenoid valve; 5. First time relay; 6. Second time relay; 7. Air inlet; 8. Exhaust port; 9. Air delivery pipe. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0031] The following is a brief introduction to some concepts that may be involved in the embodiments of this disclosure.

[0032] See Figure 1 , Figure 1 This is a schematic diagram of a pneumatic water pump structure for mining operations, provided by an embodiment of the present disclosure. The pump includes a pump body 1, a piston 2, a first pneumatic solenoid valve 3, and a second pneumatic solenoid valve 4. The pump body 1 has an air inlet 11, an air outlet 12, a water inlet 13, and a water outlet 14. The piston 2 is slidably disposed within the pump body 1. The first pneumatic solenoid valve 3 is connected to the pump body 1 through the air inlet 11. The second pneumatic solenoid valve 4 is connected to the pump body 1 through the air outlet 12. The air inlet 11 and the air outlet 12 are spaced apart along the sliding direction of the piston 2. A one-way valve 15 is provided in both the water inlet 13 and the water outlet 14. The water inlet 13 and the water outlet 14 are located at the ends of the pump body 1 furthest from the air inlet 11 and the air outlet 12.

[0033] In this embodiment, both the air inlet 11 and the air outlet 12 are located on the side wall of the pump body 1. The main function of the air inlet 11 and the air outlet 12 is to facilitate the sliding of the piston 2, so that the first pneumatic solenoid valve 3 opens and air enters through the air inlet 11, air exits through the air outlet 12, and the piston 2 slides upward; the second pneumatic solenoid valve 4 opens and air enters through the air outlet 12, air exits through the air inlet 11, and the piston 2 slides downward. The one-way valve 15 inside the water inlet 13 faces inward toward the pump body 1. The one-way valve 15 inside the water outlet 14 faces outward toward the pump body 1.

[0034] In some embodiments, the pump body 1 includes a compression section 16 and a water guide section 17 connected together, with an air inlet 11 and an air outlet 12 both located on the compression section 16, and a water inlet 13 and a water outlet 14 both located on the water guide section 17.

[0035] In this embodiment, the air inlet 11 and the air outlet 12 are arranged side by side on the compression section 16 along the sliding direction of the piston 2; the water inlet 13 and the water outlet 14 are arranged opposite to each other on the water guide section 17. The air inlet 11 is closer to the water guide section 17 than the air outlet 12, and the air inlet 11 is located at the end of the compression section 16 near the water guide section 17, while the air outlet 12 is located at the end of the compression section 16 away from the water guide section 17.

[0036] In some embodiments, the water pump further includes a first time relay 5 and a second time relay 6. The first time relay 5 is connected to a first pneumatic solenoid valve 3, and the second time relay 6 is connected to a second pneumatic solenoid valve 4. The first time relay 5 controls the air intake time of the first pneumatic solenoid valve 3, and the second time relay 6 controls the air intake time of the second pneumatic solenoid valve 4. This allows the first time relay 5 to be de-energized after a certain energizing interval, while the second time relay 6 is energized. After the interval, the second time relay 6 is de-energized, while the first time relay 5 is energized again. This cycle repeats, with the first time relay 5 and the second time relay 6 operating at intervals, which helps to achieve pneumatic water pumping.

[0037] It should be noted that the interval time can be a preset time, accurate to the second, to control the first time relay 5 and the second time relay 6 to be energized for the same amount of time.

[0038] In some embodiments, both the first pneumatic solenoid valve 3 and the second pneumatic solenoid valve 4 have an air inlet 7, an air outlet 8, and an air supply pipe 9. The air supply pipe 9 of the first pneumatic solenoid valve 3 is connected to the air inlet 11, and the air supply pipe 9 of the second pneumatic solenoid valve 4 is connected to the air outlet 12. The air inlet 7 and the air supply pipe 9 on the first pneumatic solenoid valve 3 are located on opposite sides, and the air outlet 8 is located on the side of the first pneumatic solenoid valve 3 adjacent to the air inlet 7 and the air supply pipe 9. The layout of the air inlet 7, the air outlet 8, and the air supply pipe 9 on the second pneumatic solenoid valve 4 is the same as that of the first pneumatic solenoid valve 3. The air compressed by the sliding piston 2 can enter the pump body 1 through the air supply pipe 9 or be discharged from the air outlet 8 through the air supply pipe 9, so that the piston 2 can slide within the pump body 1 to pump water.

[0039] In some embodiments, see Figure 2 and Figure 3 , Figure 2 This is a schematic diagram of the connection structure of the gas pipeline 9 provided in an embodiment of this disclosure. Figure 3 Provided for the embodiments of this disclosure Figure 2 The enlarged schematic diagram of part A shows that the gas supply pipe 9 is detachably connected to the pump body 1. The pump body 1 has a connection hole 18 for inserting the gas supply pipe 9, and a pipe clamping sleeve 19 is provided in the connection hole 18. The gas supply pipe 9 is slidably inserted into the pipe clamping sleeve 19 and connected to the inside of the pump body 1. The pipe clamping sleeve 19 is clamped tightly to the outer wall of the gas supply pipe 9.

[0040] Exemplarily, the retaining sleeve 19 is slidably disposed within the connecting hole 18. A spring 191 is connected to the end of the retaining sleeve 19 located in the connecting hole 18. The end of the spring 191 away from the retaining sleeve 19 is fixed to the pump body 1. The inner wall of the retaining sleeve 19 is provided with a clamping protrusion 192, which is inclined toward the spring 191 and arranged in a circle around the inner wall of the retaining sleeve 19 at intervals. The tension of the spring 191 acts on the retaining sleeve 19 to clamp the clamping protrusion 192 to the outer wall of the air supply pipe 9.

[0041] In some other embodiments, the wall of the connecting hole 18 is gradually widened outward from the pump body 1, so that when the clamping sleeve 19 slides into the connecting hole 18, it will be squeezed by the wall of the connecting hole 18, causing the clamping protrusion 192 to gather and clamp the air supply pipe 9.

[0042] Although the present disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A mine with pneumatic water pump for mining, characterized in that, The water pump comprises: a pump body, which is provided with an air inlet, an air outlet, a water inlet and a water outlet; a piston, which is slidingly arranged in the pump body; a first pneumatic electromagnetic valve, which is connected with the pump body through the air inlet; a second pneumatic electromagnetic valve, which is connected with the pump body through the air outlet; wherein the air inlet and the air outlet are arranged in a spaced manner along the sliding direction of the piston, the water inlet and the water outlet are both provided with a check valve, and the water inlet and the water outlet are located at one end of the pump body away from the air inlet and the air outlet.

2. Mine with pneumatic water pump for exploitation according to claim 1, characterized in that, The pump body comprises a compression part and a water guide part connected with each other, the air inlet and the air outlet are both located on the compression part, and the water inlet and the water outlet are both located on the water guide part.

3. Mine with pneumatic water pump for exploitation according to claim 2, characterized in that, The air inlet and the air outlet are arranged side by side on the compression part along the sliding direction of the piston.

4. The mine with pneumatic water pump for exploitation according to claim 2, characterized in that, The water inlet and the water outlet are arranged in a back-to-back manner on the water guide part.

5. Mine with pneumatic water pump according to any of claims 1 - 4, characterized in that, The water pump further comprises a first time relay and a second time relay, the first time relay is connected with the first pneumatic electromagnetic valve, and the second time relay is connected with the second pneumatic electromagnetic valve.

6. The mine with pneumatic water pump for exploitation according to claim 1, characterized in that, The first pneumatic electromagnetic valve and the second pneumatic electromagnetic valve both have an air inlet hole, an air outlet hole and a gas conveying pipe, the gas conveying pipe of the first pneumatic electromagnetic valve is connected with the air inlet, and the gas conveying pipe of the second pneumatic electromagnetic valve is connected with the air outlet.

7. A mine with pneumatic water pump according to claim 6, characterized in that, The gas conveying pipe is detachably connected with the pump body, the pump body is provided with a connecting hole for inserting the gas conveying pipe, a pipe clamping sleeve is arranged in the connecting hole, the gas conveying pipe is slidingly inserted into the pipe clamping sleeve and connected with the inside of the pump body, and the pipe clamping sleeve is clamped on the outer wall of the gas conveying pipe.

8. Mine with pneumatic water pump according to claim 7, characterized in that, The pipe clamping sleeve is slidingly arranged in the connecting hole, a spring is connected with the end of the pipe clamping sleeve, one end of the spring away from the pipe clamping sleeve is fixed on the pump body, a clamping protrusion is arranged on the inner wall of the pipe clamping sleeve and inclined towards the spring, and the spring tension acts on the pipe clamping sleeve to clamp the clamping protrusion on the outer wall of the gas conveying pipe.

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