Rock drilling device for mine construction

Abstract

This utility model discloses a rock drilling device for mining construction, belonging to the technical field of rock drilling equipment for mining construction. It includes an annular shell fixedly installed on the outer wall of a rock drill. An annular dust collection box is detachably installed at the bottom of the annular shell. Several fans are installed at the top of the annular shell. An air inlet pipe is connected to the bottom of the dust collection box, and an air outlet pipe located inside the annular shell is connected to the top of the dust collection box. A filter screen is installed at the bottom of the dust collection box, and a dust removal screen is installed on the inner wall of the annular shell at the top of the air outlet pipe. Through the arrangement of the dust collection box, fans, air inlet pipe, air outlet pipe, filter screen, and dust removal screen, this utility model can draw dust into the dust collection box during rock drilling, achieving high dust removal efficiency. The filter screen reduces the amount of impurities entering the dust collection box, and the dust is filtered and retained in the dust collection box by the dust removal screen. The dust collection box is detachably installed in the annular shell, allowing for easy removal and cleaning when there is a large amount of dust in the dust collection box.

Description

Technical Field

[0001] This utility model relates to a rock drilling device for mining construction, belonging to the technical field of rock drilling equipment for mining construction. Background Technology

[0002] Mining construction engineering, also known as mine construction engineering, includes the construction of main and auxiliary shafts, ventilation shafts, bottom pits, water tanks, pump rooms, substations, waiting rooms and other chambers, as well as the main ventilation, transportation and pedestrian roadways, mining area access roads and other related mine infrastructure construction projects. Construction usually involves drilling holes in the rock strata to place explosives to blast the rock. Rock drills are often used to drill holes in the rock strata. Existing rock drills generate a lot of dust when drilling.

[0003] Application CN202421082112.1 discloses a dust removal device for mining rock drilling equipment. The device includes a ring with a locking assembly inside. An annular groove is formed on the front side wall of the ring, and a dust-collecting assembly is installed within the groove. The dust-collecting assembly includes an exhaust fan. Ventilation holes are formed at the bottom of the annular groove, and a dust filter is installed at the opening of the groove. A blocking assembly for blocking flying dust is provided on the outer side wall of the ring. This invention facilitates fixing the device to a pneumatic drill using the ring and locking assembly. The dust-collecting and blocking assemblies effectively absorb and filter dust generated during drilling, reducing the impact of dust on the workers' health and visibility, thus allowing for more precise drilling.

[0004] The above solution still has the following problem: the dust removal efficiency is low during use.

[0005] Therefore, this utility model proposes a new solution. Utility Model Content

[0006] The main purpose of this utility model is to provide a rock drilling device for mining construction in order to overcome the shortcomings of the existing technology.

[0007] The objective of this utility model can be achieved by adopting the following technical solution:

[0008] A rock drilling device for mining construction includes an annular shell fixedly installed on the outer wall of a rock drill. An annular dust collection box is detachably installed at the bottom of the annular shell. Several fans are installed at the top of the annular shell. An air inlet pipe is connected to the bottom of the dust collection box. An air outlet pipe located inside the annular shell is connected to the top of the dust collection box. A filter screen is installed at the bottom of the dust collection box. A dust removal screen located at the top of the air outlet pipe is installed on the inner wall of the annular shell.

[0009] Preferably, a handle is fixedly connected to the top of the annular shell.

[0010] Preferably, a first grid is fixedly connected to the inner wall of the annular shell, and the dust removal net is installed at the bottom of the first grid.

[0011] Preferably, a second grille is installed on the inner side of the air outlet duct.

[0012] Preferably, the inner wall of the annular shell is provided with a first internal thread, and the outer wall of the air outlet pipe is provided with a first external thread that mates with the first internal thread.

[0013] Preferably, the bottom of the air inlet pipe is detachably installed with a dust collection box, the top of the air inlet pipe is fixedly connected with a ring plate, the inner wall of the dust collection box is provided with a second internal thread, and the outer wall of the ring plate is provided with a second external thread that mates with the second internal thread.

[0014] Preferably, a limiting plate is connected to the inner wall of the dust collection box, and a third grille is installed on the inner side of the air inlet pipe.

[0015] Preferably, an annular splash guard is detachably installed on the outer wall of the annular shell.

[0016] Preferably, the annular splash guard includes a mounting ring plate located on the outer wall of the annular shell, an annular strip is provided on the outer side of the mounting ring plate, a plurality of radial strips are connected between the mounting ring plate and the annular strip, and a mesh is installed between the mounting ring plate and the annular strip.

[0017] Preferably, two annular bosses are fixedly connected to the outer wall of the annular shell, located on the upper and lower sides of the mounting ring plate respectively.

[0018] The beneficial technical effects of this utility model are as follows: According to the rock drilling device for mining construction of this utility model, through the setting of dust collection box, fan, air inlet pipe, air outlet pipe, filter screen and dust removal screen, the dust can be sucked into the dust collection box during rock drilling, and the dust removal efficiency is high. The filter screen can reduce the impurities entering the dust collection box. The dust is filtered and trapped in the dust collection box by the dust removal screen. The dust collection box is detachably installed in the annular shell. When there is a lot of dust in the dust collection box, it can be disassembled for cleaning. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure according to a preferred embodiment of the present invention;

[0020] Figure 2 This is a cross-sectional view of the overall structure according to a preferred embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of an annular shell structure according to a preferred embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of a dust collection box structure according to a preferred embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of an air inlet pipe structure according to a preferred embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of a ring-shaped splash guard structure according to a preferred embodiment of the present invention.

[0025] In the diagram: 1. Annular shell; 2. Dust collection box; 3. Fan; 4. Inlet duct; 5. Outlet duct; 6. Filter screen; 7. Dust removal screen; 8. Handle; 9. First grille; 10. Second grille; 11. First internal thread; 12. First external thread; 13. Ring plate; 14. Second internal thread; 15. Second external thread; 16. Limiting plate; 17. Third grille; 18. Annular splash guard; 181. Mounting ring plate; 182. Annular strip; 183. Radial strip; 184. Mesh fabric; 19. Boss. Detailed Implementation

[0026] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0027] like Figures 1-6 As shown, the rock drilling device for mining construction provided in this embodiment includes an annular shell 1 fixedly installed on the outer wall of the rock drill. An annular dust collection box 2 is detachably installed at the bottom of the annular shell 1. Several fans 3 are installed at the top of the annular shell 1. An air inlet pipe 4 is connected to the bottom of the dust collection box 2, and an air outlet pipe 5 located inside the annular shell 1 is connected to the top of the dust collection box 2. A filter screen 6 is installed at the bottom of the dust collection box 2, and a dust removal screen 7 located at the top of the air outlet pipe 5 is installed on the inner wall of the annular shell 1. Through the arrangement of the dust collection box 2, fans 3, air inlet pipe 4, air outlet pipe 5, filter screen 6, and dust removal screen 7, dust can be drawn into the dust collection box 2 during rock drilling, resulting in high dust removal efficiency. The filter screen 6 reduces the amount of impurities entering the dust collection box 2, and the dust is filtered and retained in the dust collection box 2 by the dust removal screen 7. The dust collection box 2 is detachably installed in the annular shell 1, and can be disassembled for cleaning when there is a large amount of dust in the dust collection box 2.

[0028] In this embodiment, as Figure 2 , Figure 3 and Figure 4As shown, a handle 8 is fixedly connected to the top of the annular shell 1, a first grille 9 is fixedly connected to the inner wall of the annular shell 1, a dust removal screen 7 is installed at the bottom of the first grille 9, a second grille 10 is installed on the inner side of the air outlet duct 5, a first internal thread 11 is provided on the inner wall of the annular shell 1, and a first external thread 12 that mates with the first internal thread 11 is provided on the outer wall of the air outlet duct 5. The first internal thread 11 and the first external thread 12 facilitate the disassembly and assembly of the dust collection box 2.

[0029] In this embodiment, as Figure 2 , Figure 4 and Figure 5 As shown, the bottom of the dust collection box 2 is detachably installed on the air inlet pipe 4, and an annular plate 13 is fixedly connected to the top of the air inlet pipe 4. A second internal thread 14 is provided on the inner wall of the dust collection box 2, and a second external thread 15 that mates with the second internal thread 14 is provided on the outer wall of the annular plate 13. A limiting plate 16 is connected to the inner wall of the dust collection box 2, and a third grille 17 is installed on the inner side of the air inlet pipe 4. By setting the annular plate 13, the second internal thread 14, and the third grille 17, the air inlet pipe 4 can be disassembled when there is a lot of dust in the dust collection box 2, thus facilitating the cleaning of the dust collection box 2. The filter screen 6 is installed and fixed by the limiting plate 16 in cooperation with the annular plate 13.

[0030] In this embodiment, as Figure 1 , Figure 2 and Figure 6 As shown, an annular splash guard 18 is detachably installed on the outer wall of the annular shell 1. The annular splash guard 18 includes a mounting ring plate 181 located on the outer wall of the annular shell 1. Annular strips 182 are provided on the outer side of the mounting ring plate 181. Several radial strips 183 are connected between the mounting ring plate 181 and the annular strips 182. A mesh cloth 184 is installed between the mounting ring plate 181 and the annular strips 182. Two annular protrusions 19 are fixedly connected to the outer wall of the annular shell 1, located on the upper and lower sides of the mounting ring plate 181 respectively. The annular splash guard 18 can block the ejected stones. The annular protrusions 19 have a certain degree of elasticity, which facilitates the installation and removal of the annular splash guard 18. The annular strips 182 and the radial strips 183 also have a certain degree of elasticity.

[0031] In this embodiment, as Figures 1-6 As shown in the figure, the working process of a rock drilling device for mining construction provided in this embodiment is as follows:

[0032] When drilling rock, start the blower 3 to remove dust. After finishing the work, the dust collection box 2 can be removed. Then, reverse the air inlet pipe 4 to remove the ring plate 13. Then, use a brush to clean the dust collection box 2.

[0033] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A rock drilling device for mining construction, comprising an annular shell (1) fixedly installed on the outer wall of a rock drill, characterized in that, The bottom of the annular shell (1) is detachably equipped with an annular dust collection box (2), and the top of the annular shell (1) is equipped with several fans (3). The bottom of the dust collection box (2) is connected to an air inlet pipe (4), the top of the dust collection box (2) is connected to an air outlet pipe (5) located inside the annular shell (1), the bottom of the dust collection box (2) is equipped with a filter screen (6), and the inner wall of the annular shell (1) is equipped with a dust removal screen (7) located at the top of the air outlet pipe (5).

2. The rock drilling device for mining construction according to claim 1, characterized in that, A handle (8) is fixedly connected to the top of the annular shell (1).

3. The rock drilling device for mining construction according to claim 1, characterized in that, The inner wall of the annular shell (1) is fixedly connected to a first grid (9), and the dust removal net (7) is installed at the bottom of the first grid (9).

4. The rock drilling device for mining construction according to claim 1, characterized in that, A second grille (10) is installed on the inner side of the air outlet pipe (5).

5. A rock drilling device for mining construction according to claim 1, characterized in that, The inner wall of the annular shell (1) is provided with a first internal thread (11), and the outer wall of the air outlet pipe (5) is provided with a first external thread (12) that mates with the first internal thread (11).

6. A rock drilling device for mining construction according to claim 1, characterized in that, The bottom of the dust collection box (2) is detachably installed on the air inlet pipe (4), and the top of the air inlet pipe (4) is fixedly connected to the ring plate (13). The inner wall of the dust collection box (2) is provided with a second internal thread (14), and the outer wall of the ring plate (13) is provided with a second external thread (15) that mates with the second internal thread (14).

7. A rock drilling device for mining construction according to claim 6, characterized in that, A limiting plate (16) is connected to the inner wall of the dust collection box (2), and a third grille (17) is installed on the inner side of the air inlet pipe (4).

8. A rock drilling device for mining construction according to claim 1, characterized in that, An annular splash guard (18) is detachably installed on the outer wall of the annular shell (1).

9. A rock drilling device for mining construction according to claim 8, characterized in that, The annular splash guard (18) includes an mounting ring plate (181) located on the outer wall of the annular shell (1). An annular strip (182) is provided on the outer side of the mounting ring plate (181). A plurality of radial strips (183) are connected between the mounting ring plate (181) and the annular strip (182). A mesh fabric (184) is installed between the mounting ring plate (181) and the annular strip (182).

10. A rock drilling device for mining construction according to claim 9, characterized in that, Two annular bosses (19) are fixedly connected to the outer wall of the annular shell (1), located on the upper and lower sides of the mounting ring plate (181).

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