A mining borehole cleaning head suitable for latex matrix pumps

Abstract

The application relates to a mine blast hole cleaning head suitable for a latex matrix pump and relates to the field of blast hole cleaning equipment. The mine blast hole cleaning head suitable for the latex matrix pump comprises a mounting seat, a water turbine is arranged on the mounting seat, a nozzle is arranged on a transmission shaft of the water turbine, a water spraying channel is arranged in the nozzle, a water distribution chamber is arranged on the mounting seat and is connected with a water outlet of the matrix pump, a first water outlet hole is arranged on the water distribution chamber and is communicated with the water spraying channel, and a second water outlet hole is arranged on the water distribution chamber and is communicated with a water inlet of the water turbine. The cooperation of various components, the water transported by the matrix pump as the impact medium, and the rotating nozzle can flush out the impurities such as pumice, rock slag and mud in the blast hole, so that the blast hole is cleaned.

Description

Technical Field

[0001] This application relates to the field of borehole cleaning equipment, and in particular to a mining borehole cleaning head suitable for latex matrix pumps. Background Technology

[0002] Drilling, blasting, loading, and transportation are the main processes in various mining operations. In the blasting process, emulsion explosives need to be mixed at the work site, and then the charging head is installed on the vehicle-mounted latex matrix pump on the charging vehicle. The charging head is aligned with the drilled blast hole, and the matrix pump operates to fill the blast hole with emulsion explosives. Then the emulsion explosives are detonated to complete the blasting.

[0003] In actual operations, due to factors such as geological conditions, the diversity of ore and rock, and the conditions of the mining site, the drilled blast holes may sometimes be blocked by rock debris or rock powder that falls around the hole opening or hole wall. There may also be loose rocks and slag inside the hole, which may lead to blockage or failure of the hole. At this time, it is necessary to clean the blast hole to ensure the quality of the blast hole and thus avoid affecting the subsequent filling and detonation of emulsion explosives.

[0004] In existing technologies, the cleaning of blast holes at work sites is mostly done manually. That is, the operators use tools such as dig shovels to dig out the impurities in the blast holes. Since there are a large number of blast holes at the work site, the manual cleaning method leads to high labor intensity for the workers and has the problems of low cleaning efficiency and incomplete cleaning. Summary of the Invention

[0005] In order to improve the existing technology, which mostly uses manual cleaning to clean blast holes at the work site, where operators use tools such as dig shovels to dig out the impurities in the blast holes, the manual cleaning method, due to the large number of blast holes at the work site, results in high labor intensity for workers and problems such as low cleaning efficiency and incomplete cleaning. This application provides a mining blast hole cleaning head suitable for latex matrix pumps.

[0006] The technical solution provided in this application for a mine borehole cleaning head suitable for latex matrix pumps is as follows:

[0007] A mining borehole cleaning head suitable for latex matrix pumps includes a mounting base, a water turbine mounted on the mounting base, a nozzle mounted on the drive shaft of the water turbine, a water spraying channel inside the nozzle, a water distribution chamber on the mounting base that connects to the outlet of the matrix pump, a first water outlet communicating with the water spraying channel on the water distribution chamber, and a second water outlet communicating with the inlet of the water turbine on the water distribution chamber.

[0008] By adopting the above technical solution, when cleaning the blast holes with the cleaning head, the mounting base is installed on the latex matrix pump, so that the water distribution chamber is connected to the outlet of the matrix pump. High-pressure water is delivered to the water distribution chamber through the matrix pump. Part of the high-pressure water enters the water turbine through the second water outlet. The water turbine operates to rotate the drive shaft, which in turn rotates the nozzle. At the same time, part of the high-pressure water is delivered to the water spray channel through the first water outlet and sprayed directly out through the water spray channel.

[0009] The coordination of the various components in the above process, using water delivered by the matrix pump as the impact medium, and in conjunction with the rotating nozzle, can flush out impurities such as pumice, rock debris, and mud from the blast hole, thereby completing the cleaning of the blast hole. This cleaning head can replace the charging head and can be directly installed on the vehicle-mounted matrix pump on the charging vehicle. It operates through the matrix pump, replacing the manual cleaning method in the existing technology, thereby reducing the labor intensity of workers and improving the efficiency and thoroughness of blast hole cleaning.

[0010] Optionally, a diversion plate is hinged to the water distribution chamber, and a driving component is provided on the mounting base to drive the diversion plate to rotate, so that the diversion plate rotates to partially block the first water outlet or the second water outlet.

[0011] By adopting the above technical solution, the rotation of the diverter plate can partially block the first or second water outlet, thereby adjusting the water flow rate into the first and second water outlets. The change in water flow rate in the second water outlet can adjust the rotation speed of the nozzle, while the change in water flow rate in the first water outlet can adjust the water flow rate directly sprayed through the spray channel. The cleaning head can be adaptively adjusted according to actual needs to improve its applicability.

[0012] Optionally, the diversion plate includes a movable plate and a fixed plate that are slidably connected, the fixed plate being hinged to the water distribution chamber, and the driving component including a driving rod that is threadedly connected to the mounting base, the end of the driving rod being located inside the water distribution chamber and hinged to the movable plate.

[0013] By adopting the above technical solution, when it is necessary to adjust the water flow rate into the first outlet and the second outlet through the diversion plate, the drive rod is rotated, and the end of the drive rod moves accordingly, thereby causing the movable plate to slide relative to the fixed plate. The fixed plate rotates, and the diversion plate thereby blocks the first outlet or the second outlet, thus achieving the purpose of adjusting the water flow rate into the first outlet and the second outlet.

[0014] Optionally, the water spray channel is arranged along the axial direction of the nozzle, and the nozzle is also provided with radial water spray holes along the circumferential direction.

[0015] By adopting the above technical solution, with the combined effect of the water spray channel and the radial water spray holes, the high-pressure water through the first water outlet is sprayed out in multiple directions, thereby increasing the coverage of the high-pressure water spray and thus increasing the effective surface of the high-pressure water, thereby improving the cleaning effect when the cleaning head is in operation.

[0016] Optionally, the outer wall of the nozzle is provided with a first spiral groove.

[0017] By adopting the above technical solution, when the water turbine drives the nozzle to rotate, the first spiral groove rotates synchronously, which helps to guide the flushed pumice, rock debris and mud and other impurities, which can flow out through the first spiral groove.

[0018] Optionally, a second spiral groove is provided in the water spray channel.

[0019] By adopting the above technical solution, part of the water introduced into the water spraying channel is sprayed out directly through the water spraying channel, while part enters the second spiral groove. Under the action of the second spiral groove and the rotating nozzle, a vortex will be formed in the water spraying channel. Under the action of this part of the vortex, the water sprayed out of the water spraying channel into the blast hole will have a stronger impact force, thereby achieving a better cleaning effect on the blast hole.

[0020] Optionally, a vortex disk is provided in the water spray channel, the vortex disk has a direct current hole communicating with the water spray channel, and the vortex disk has a vortex groove along the circumference that is connected to the second spiral groove.

[0021] By adopting the above technical solution, when the water entering the water spray channel through the first water outlet passes through the vortex plate, part of the water flows directly into the water spray channel through the direct flow hole and is sprayed directly out through the water spray channel, while the other part flows into the vortex groove. The setting of multiple vortex grooves can further drive the vortex intensity in the water spray channel, thereby increasing the impact force of the water sprayed into the borehole. In addition, since the vortex groove is connected to the second spiral groove, it can guide the water entering the second spiral groove, so that the second spiral groove can play a better role.

[0022] Optionally, the mounting base is provided with multiple grounding rods along the circumferential direction.

[0023] By adopting the above technical solution, when cleaning the blast holes with the cleaning head, the ground rod can be inserted into the ground around the blast hole, and the nozzle is located inside the blast hole so that the high-pressure water sprayed out can clean the blast hole. The ground rod can improve the stability of the cleaning head during this process and prevent the cleaning head from becoming unstable and shaking under the reaction force of the water flow, which would affect the cleaning effect of the blast hole.

[0024] Optionally, the mounting base has a mounting groove, the grounding rod is slidably connected to the mounting groove and can slide out through the mounting groove; the grounding rod is provided with a push rod, the mounting base has a sliding groove communicating with the mounting groove, the push rod is slidably connected in the sliding groove, and a push spring connected to the push rod is provided in the sliding groove; a push ring is threadedly connected to the mounting base, and the push ring abuts against the push rod.

[0025] By adopting the above technical solution, when the cleaning head is not needed to clean the blast hole, the grounding rod is located in the mounting groove and not exposed, thus avoiding accidental injury to nearby workers due to the exposed tip of the grounding rod. When the cleaning head is used to clean the blast hole, the push ring is rotated, which pushes multiple push rods to slide in the groove. The multiple push rods drive the grounding rod to slide in the mounting groove. When the push rod slides to abut against the groove wall, the continued sliding of the push rod in the same direction is restricted. At this time, the tip of the grounding rod is fully exposed, so that the grounding rod can be inserted into the ground around the blast hole. During the above process, the push spring is in a compressed and deformed state. When the cleaning head is used up, the push ring is rotated in the opposite direction. At this time, under the action of the push spring, the push rod will drive the grounding rod to slide back to its original position, so that the entire grounding rod is located in the mounting groove.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. The components in this application work together by using water delivered by a matrix pump as the impact medium, which, in conjunction with a rotating nozzle, can flush out impurities such as pumice, rock debris, and mud from the blast hole, thereby completing the cleaning of the blast hole. This cleaning head can replace the charging head and can be directly installed on the vehicle-mounted matrix pump on the charging vehicle and operated by the matrix pump, replacing the manual cleaning method in the prior art, thereby reducing the labor intensity of workers and improving the efficiency and thoroughness of blast hole cleaning.

[0028] 2. The rotating diverter plate can partially block the first or second water outlet, thereby adjusting the water flow into the first and second water outlets. The rotation speed of the nozzle can be adjusted by changing the water flow in the second water outlet, while the water flow directly sprayed through the spray channel can be adjusted by changing the water flow in the first water outlet. The cleaning head can be adaptively adjusted according to actual needs to improve its applicability.

[0029] 3. When the water turbine drives the nozzle to rotate, the first spiral groove rotates synchronously, which helps to guide the flushed pumice, rock debris and mud and other impurities, which can flow out through the first spiral groove. Attached Figure Description

[0030] Figure 1This is a schematic diagram of the overall structure of a mine borehole cleaning head suitable for latex matrix pumps in Embodiment 1 of this application;

[0031] Figure 2 This is a cross-sectional view of Embodiment 1 of this application;

[0032] Figure 3 This is a schematic diagram of the overall structure of a mine borehole cleaning head suitable for latex matrix pumps in Embodiment 2 of this application;

[0033] Figure 4 This is a cross-sectional view of Embodiment 2 of this application;

[0034] Figure 5 This is a schematic diagram of the swirl disk in Embodiment 2 of this application.

[0035] Explanation of reference numerals in the attached drawings: 1. Mounting base; 2. Water turbine; 3. Nozzle; 31. Mounting part; 32. Nozzle part; 4. Water spray channel; 5. Water distribution chamber; 6. First water outlet; 7. Second water outlet; 8. Diverter plate; 81. Fixed plate; 82. Movable plate; 9. Drive rod; 10. Radial water spray hole; 11. First spiral groove; 12. Second spiral groove; 13. Swirl plate; 14. Straight-flow hole; 15. Swirl groove; 16. Ground insertion rod; 17. Mounting groove; 18. Push rod; 19. Slide groove; 20. Push spring; 21. Push ring; 22. Axial channel. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0037] Example 1

[0038] Embodiment 1 of this application discloses a mine borehole cleaning head suitable for latex matrix pumps. (Refer to...) Figure 1 and Figure 2 The mining borehole cleaning head suitable for latex matrix pumps includes a mounting base 1, a water turbine 2 mounted on the mounting base 1, a nozzle 3 mounted on the drive shaft of the water turbine 2, a water spraying channel 4 opened inside the nozzle 3, a water distribution chamber 5 connected to the outlet of the matrix pump on the mounting base 1, a first water outlet 6 axially arranged on the water distribution chamber 5 communicating with the water spraying channel 4, and a second water outlet 7 radially arranged on the water distribution chamber 5 communicating with the inlet of the water turbine 2.

[0039] Reference Figure 1 and Figure 2A diversion plate 8 is hinged inside the water distribution chamber 5. The diversion plate 8 includes a movable plate 82 and a fixed plate 81 that are slidably connected. The fixed plate 81 is hinged to the water distribution chamber 5. A drive rod 9 is hinged to the end of the movable plate 82 away from the fixed plate 81. The drive rod 9 is horizontally set and threadedly connected to the mounting base 1. When it is necessary to adjust the water flow rate into the first outlet and the second outlet 7 via the diverter plate 8, the drive rod 9 is rotated, and the end of the drive rod 9 moves accordingly, thereby causing the movable plate 82 to slide relative to the fixed plate 81. The fixed plate 81 rotates, and the diverter plate 8 thus partially blocks the first outlet 6 or the second outlet 7, thereby achieving the purpose of adjusting the water flow rate into the first outlet and the second outlet 7. The rotation speed of the nozzle 3 can be adjusted by changing the water flow rate in the second outlet 7, and the water flow rate directly sprayed through the spray channel 4 can be adjusted by changing the water flow rate in the first outlet 6. The cleaning head can be adaptively adjusted according to actual needs to improve its applicability.

[0040] Reference Figure 1 and Figure 2 The nozzle 3 includes a mounting part 31 and a nozzle part 32. The nozzle part 32 is snapped onto the top of the mounting part 31. The mounting part 31 is mounted on the drive shaft of the water turbine 2. The water spray channel 4 is arranged in the nozzle part 32 along the axial direction. The end of the nozzle part 32 is tapered. The outer wall of the nozzle part 32 is provided with a first spiral groove 11. The mounting part 31 is provided with an axial channel 22 that communicates with the water spray channel 4. The mounting part 31 is provided with a plurality of radial water spray holes 10 that communicate with the axial channel 22 along the circumferential direction.

[0041] The substrate pump delivers high-pressure water to the water distribution chamber 5. Part of the high-pressure water enters the turbine 2 through the second outlet 7. The turbine 2 operates to rotate the drive shaft, causing the mounting part 31 and the nozzle part 32 to rotate synchronously. At the same time, part of the high-pressure water is delivered to the axial channel 22 through the first outlet 6. The water in the axial channel 22 is sprayed out through the radial spray hole 10 and the spray channel 4, thereby fully covering all areas inside the borehole. The high-pressure water has a wide operating area. During this process, the first spiral groove 11 rotates synchronously with the nozzle part 32. The first spiral groove 11 helps guide the flushed pumice, rock debris, mud and other impurities, which can flow out through the first spiral groove 11.

[0042] In this embodiment, during operation, the nozzle 3 extends into the borehole and comes into direct contact with impurities such as pumice, rock debris, and mud. Over long-term use, the wear rate of the nozzle 3 is higher than that of other components on the cleaning head. Therefore, to facilitate replacement and improve the ease of disassembly and assembly, the nozzle 3 is designed with a snap-fit ​​mounting part 31 and a nozzle part 32. During operation, the nozzle part 32 extends into the borehole and comes into direct contact with impurities such as pumice, rock debris, and mud. When replacing the nozzle part 32, it is simply removed from the mounting part 31 and a new nozzle part 32 is installed. In other embodiments, an integrated nozzle 3 can be used, with radial water jet holes 10 and a first spiral groove 11 formed on the nozzle 3.

[0043] The implementation principle of a mine borehole cleaning head applicable to a latex matrix pump in Embodiment 1 of this application is as follows: When cleaning the borehole with the cleaning head, the mounting base 1 is installed on the latex matrix pump, so that the water distribution chamber 5 is connected to the outlet of the matrix pump. High-pressure water is delivered to the water distribution chamber 5 through the matrix pump. Part of the high-pressure water enters the water turbine 2 through the second water outlet 7. The water turbine 2 operates to rotate the drive shaft, thereby rotating the nozzle 3. At the same time, part of the high-pressure water is delivered to the water spray channel 4 through the first water outlet 6 and sprayed directly out through the water spray channel 4.

[0044] In the above process, the cooperation of various components utilizes the water delivered by the matrix pump as the impact medium. With the help of the rotating nozzle 3, impurities such as pumice, rock debris, and mud in the blast hole can be flushed out, thereby completing the cleaning of the blast hole. This cleaning head can replace the charging head and can be directly installed on the vehicle-mounted matrix pump of the charging vehicle. It operates through the matrix pump, replacing the manual cleaning method in the existing technology, thereby reducing the labor intensity of workers and improving the efficiency and thoroughness of blast hole cleaning.

[0045] Example 2

[0046] The difference between Example 2 and Example 1 is that: (Refer to...) Figure 3 and Figure 4 A second spiral groove 12 is provided inside the water spray channel 4, and a vortex plate 13 is installed inside the end of the water spray channel 4 near the mounting part 31, as shown in the figure. Figure 4 and Figure 5 The vortex plate 13 has a direct current hole 14 that communicates with the water spray channel 4, and the vortex plate 13 has a vortex groove 15 that connects with the second spiral groove 12 along the circumference.

[0047] Reference Figure 3 and Figure 4The mounting base 1 has multiple mounting slots 17 circumferentially arranged. Each mounting slot 17 has a vertically slidable grounding rod 16. Each grounding rod 16 can slide out through the corresponding mounting slot 17. The end of the grounding rod 16 is pointed. A push rod 18 is vertically fixed to the end of the grounding rod 16 away from the nozzle part 32. The mounting base 1 has multiple vertically arranged sliding grooves 19. Each sliding groove 19 is connected to a mounting slot 17. A push rod 18 is slidably arranged in each sliding groove 19. A push spring 20 is fixed in each sliding groove 19. One end of the push spring 20 is fixed to the groove wall of the sliding groove 19, and the other end is fixed to the push rod 18. A push rod is threadedly connected to the outer wall of the mounting base 1. Multiple push rods 18 abut against the push ring 21.

[0048] When the borehole does not need to be cleaned with a cleaning head, the grounding rod 16 is located in the mounting groove 17 and is not exposed, thereby preventing the tip of the grounding rod 16 from being exposed and causing accidental injury to nearby personnel. When cleaning the blast hole with the cleaning head, the push ring 21 is rotated, which pushes multiple push rods 18 to slide within the slide groove 19. The multiple push rods 18 drive the ground insertion rod 16 to slide within the mounting groove 17. When the push rod 18 slides to abut against the groove wall of the slide groove 19, the continued sliding of the push rod 18 in the same direction is restricted. At this time, the tip of the ground insertion rod 16 is fully exposed, so that the ground insertion rod 16 can be inserted into the ground around the blast hole. The nozzle part 32 is located inside the blast hole so that the high-pressure water sprayed out cleans the blast hole. The ground insertion rod 16 can improve the stability of the cleaning head during this process. During the above process, the push spring 20 is in a compressed and deformed state. When the cleaning head is finished, the push ring 21 is rotated in the opposite direction. At this time, under the action of the push spring 20, the push rod 18 will drive the ground insertion rod 16 to slide back to its original position, so that the ground insertion rod 16 is located entirely within the mounting groove 17.

[0049] The implementation principle of Example 2 is as follows: When the water entering the water spray channel 4 through the first water outlet 6 passes through the vortex plate 13, part of the water flows directly into the water spray channel 4 through the direct flow hole 14 and is sprayed directly out of the water spray channel 4. The other part flows into the vortex groove 15. The arrangement of multiple vortex grooves 15 can further drive the vortex intensity in the water spray channel 4, thereby increasing the impact force of the water sprayed into the borehole. In addition, since the vortex groove 15 is connected to the second spiral groove 12, the vortex groove 15 can guide the water into the second spiral groove 12. Under the action of the second spiral groove 12 and the rotating nozzle 3, a vortex will be formed in the water spray channel 4. Under the action of this part of the vortex, the water sprayed into the borehole through the water spray channel 4 will have a stronger impact force, thereby achieving a better cleaning effect on the borehole.

[0050] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A mining borehole cleaning head suitable for use with a latex matrix pump, characterized in that: The utility model provides a water conservancy irrigation device, including the mounting seat (1), be provided with water turbine (2) on the mounting seat (1), the drive shaft of water turbine (2) is provided with shower nozzle (3), the water spray channel (4) is seted up in the shower nozzle (3), the mounting seat (1) is seted up with the water distribution chamber (5) of the water outlet butt joint of matrix pump, the first water outlet hole (6) of water distribution chamber (5) is seted up with the water spray channel (4) intercommunication, the second water outlet hole (7) of water distribution chamber (5) is seted up with the water inlet of water turbine (2) intercommunication, the water distribution chamber (5) is hinged with the shunt plate (8), the mounting seat (1) is provided with the driving piece for driving the shunt plate (8) rotation, and the shunt plate (8) rotates to partially shield the first water outlet hole (6) or the second water outlet hole (7), the shunt plate (8) includes the movable plate (82) of sliding connection and fixed plate (81), the fixed plate (81) is hinged with the water distribution chamber (5), and the driving piece includes the driving rod (9) of screw connection with the mounting seat (1), and the driving rod (9) end is located in water distribution chamber (5) and is hinged with the movable plate (82), the water spray channel (4) is seted up with the second spiral groove (12), the water spray channel (4) is provided with the cyclone disc (13), the cyclone disc (13) is seted up with the straight flow hole (14) of water spray channel (4) intercommunication, and the cyclone disc (13) is seted up with the cyclone groove (15) of the second spiral groove (12) butt joint along the circumference.

2. A borehole cleaning head for use with a latex matrix pump according to claim 1, characterized in that: The water spray channel (4) is arranged along the axial direction of the shower nozzle (3), and the radial water spray hole (10) is further arranged on the shower nozzle (3) along the circumferential direction.

3. A borehole cleaning head for use with a latex matrix pump as defined in claim 1, wherein: The first spiral groove (11) is arranged on the outer wall of the shower nozzle (3).

4. A borehole cleaning head for use in a mining application with a latex base pump as defined in claim 1, characterized in that: A plurality of ground insertion rods (16) are arranged on the mounting seat (1) along the circumferential direction.

5. A borehole cleaning head for use in a mining application with a latex substrate pump as defined in claim 4, characterized in that: An installation groove (17) is arranged on the mounting seat (1), the ground insertion rod (16) is slidably connected with the installation groove (17) and can slide out of the installation groove (17), a push rod (18) is arranged on the ground insertion rod (16), a sliding groove (19) is arranged on the mounting seat (1) and communicates with the installation groove (17), the push rod (18) is slidably connected in the sliding groove (19), a push spring (20) is arranged in the sliding groove (19) and connected with the push rod (18), and a push ring (21) is screw-connected on the mounting seat (1) and abuts against the push rod (18).

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