Coal mine drilling machine capable of preventing dust from raising

Abstract

The utility model relates to the technical field of coal mine drilling, and discloses a coal mine drilling machine capable of preventing dust from raising, which comprises a base, a driving mechanism and a dust removal mechanism are fixedly arranged on the upper surface of the base, the driving mechanism comprises a guide fixing seat, and the dust removal mechanism comprises two dust collection boxes and two strip-shaped limiting shells; an electric telescopic rod is fixedly arranged at the end of the strip-shaped limiting shell, the telescopic end of the electric telescopic rod extends into the strip-shaped limiting shell and is fixedly connected with a movable supporting rod, and the upper surface of the movable supporting rod is fixedly connected with an inverted-L-shaped extending support. The dust hoods are arranged on the two sides of the drill rod, raised dust generated in the drilling process of the drill rod can be sucked and removed through the dust hoods, the raised dust can be blocked to a certain degree through the two dust hoods of the arc-shaped structures, the raised dust can be prevented from splashing all around, and therefore the dust hoods can fully suck and remove the raised dust; and the dust raising prevention effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine drilling, and more specifically to a coal mine drilling machine capable of preventing dust from being raised. Background Art

[0002] Drilling rig is one of the drilling equipments widely used in coal mining. It is mainly used inside the mine to drill water exploration holes of various angles, geological structure holes, anti-burst pressure relief holes, gas extraction and discharge holes and other various purposes. In the process of coal mining, a large number of drilling equipments are needed for geological drilling. Usually, the rotating drilling rod is drilled into the soil layer for drilling. In this process, soil and stones will be discharged and a large amount of dust will be generated.

[0003] According to the patent search, a kind of drilling equipment for coal mine excavation with the publication number CN219081525U is found. The utility model includes a mounting seat, a drilling motor is fixedly mounted on one surface of the mounting seat, the output end of the drilling motor is connected to the drilling rod, the mounting box is fixedly connected to both sides of the mounting seat, the inner wall of the mounting box is slidably connected to the dust box, the upper surface of the dust box is fixedly mounted with a filter box, the upper surface of the filter box is fixedly mounted with an air pump, and the air pump is connected to the filter box. The utility model is provided with a mounting box, a dust box, a dust collection hose and an air pump, so that the dust generated by drilling is sucked from the dust hopper, passes through the dust collection hose and enters the dust box for collection, so that the dust in the drilling environment is reduced.

[0004] In the actual use of the above-mentioned coal mine drilling equipment, the ash collecting hoppers located on both sides of the drill rod are at a certain distance from the drill rod, and the angle and direction of the ash collecting hoppers are fixed, and the distance from the drill rod cannot be adjusted, resulting in the ash collecting hoppers being unable to fully absorb the dust generated at the drilling site, affecting the dust suction effect. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a coal mine drilling machine that prevents dust from being raised, and has the advantages of good dust suction effect, etc., to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a coal mine drilling machine for preventing dust from being raised, comprising a base, a driving mechanism and a dust removal mechanism are fixedly arranged on the upper surface of the base, the driving mechanism comprises a guide fixing seat, the dust removal mechanism comprises two dust collecting boxes and two strip-shaped limiting shells, and the two dust collecting boxes and the strip-shaped limiting shells are symmetrically distributed on both sides of the driving mechanism;

[0007] An electric telescopic rod is fixedly arranged at the end of the strip-shaped limit shell, and the telescopic end of the electric telescopic rod extends to the inside of the strip-shaped limit shell and is fixedly connected to a movable support rod, and an upper surface of the movable support rod is fixedly connected to an inverted L-shaped extension bracket, a mounting hole is provided on the surface of the extension bracket, and an adjusting rod is rotatably connected to the inner wall of the mounting hole through a bearing, one end of the adjusting rod is fixedly connected to a dust hood, and the other end of the adjusting rod is fixedly connected to an adjusting plate, the extension bracket, the telescopic end of the electric push rod is rotatably connected to the surface of the adjusting plate, and the electric push rod is used to drive the adjusting rod and the adjusting plate to rotate to different angles, thereby adjusting and positioning the angles of the two dust hoods;

[0008] An air pump is fixedly installed on the surface of the dust box, and the input end of the air pump extends to the interior of the dust box. A dust collecting hose is fixedly embedded on the surface of the dust box, and one end of the dust collecting hose away from the dust box is fixedly connected to the output end of the dust hood. The air pump is started to suck air into the dust box to generate negative pressure inside the dust box, and then air is sucked into the dust hood through the dust collecting hose, and then the dust generated during the drilling process is sucked away by the dust hood.

[0009] Furthermore, a propulsion motor is fixedly connected to the surface of the guide fixing seat, and the output shaft of the propulsion motor extends to the interior of the guide fixing seat and is fixedly connected to a propulsion screw. A propulsion block is threadedly connected to the surface of the propulsion screw, and the propulsion motor can be used to drive the propulsion block to move on the surface of the propulsion screw.

[0010] Furthermore, the upper surface of the thrust block is fixedly connected to the movable base plate, a drive box is fixedly provided on the upper surface of the movable base plate, a drilling motor is provided inside the drive box, an output shaft of the drilling motor extends to the outside of the drive box and is fixedly connected to a drill rod, the thrust block can be used to drive the movable base plate to move, and then drive the drill rod to move back and forth in the horizontal direction, thereby realizing the drilling operation.

[0011] Furthermore, the two dust hoods are symmetrically distributed on both sides of the drill rod, a rectangular groove is provided on the lower surface of the movable base plate, and the movable base plate is slidably connected to the surface of the guide fixing seat through the rectangular groove.

[0012] Furthermore, two pairs of limit fixing frames are fixedly connected to the inner wall of the dust collecting box, and a first filter screen and a second filter screen are respectively inserted and installed between each pair of limit fixing frames, the first filter screen is a coarse-pore filter screen, and the second filter screen is a fine-pore filter screen.

[0013] Furthermore, the input end of the air pump corresponds to the position of the second filter, and a placement opening is provided on the upper surface of the dust box, the position of the placement opening corresponds to the first filter and the second filter, and a cover plate is fixed on the top of the placement opening by bolts, and the first filter and the second filter can be installed and replaced by opening the cover plate.

[0014] Furthermore, a dust cleaning port is provided on the side of the dust box, and a baffle is provided on the surface of the dust box, the position of the baffle corresponds to the dust cleaning port, and the dust collected in the dust box can be cleaned by opening the baffle.

[0015] Furthermore, the movable support rod is in a rectangular structure, and the movable support rod is slidably connected to the inner wall of the strip-shaped limiting shell.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model provides dust hoods on both sides of the drill rod, so that the dust generated by the drill rod during the drilling process can be sucked out by the dust hoods, and the two dust hoods with arc-shaped structures can block the dust to a certain extent and prevent the dust from splashing everywhere, so that the dust hoods can fully suck out the dust and improve the dust prevention effect.

[0018] 2. The utility model provides an electric push rod and an adjustment plate on the surface of the extension bracket, and can use the electric push rod to drive the adjustment rod and the adjustment plate to rotate to different angles, thereby adjusting and positioning the angles of the two dust hoods, thereby facilitating the position of the dust hood to be adjusted according to the actual size of the dust during the drilling process, so that the dust hood is as close to the drilling site as possible, thereby maintaining an effective dust suction distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional first-view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional second viewing angle structure of the utility model;

[0021] Figure 3 for Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the side section structure of the dust collecting box of the utility model.

[0023] The accompanying drawings are marked as follows: 1. base; 2. guide fixing seat; 3. dust collecting box; 4. strip limiting shell; 5. electric telescopic rod; 6. movable support rod; 7. extension bracket; 8. adjustment rod; 9. dust hood; 10. adjustment plate; 11. electric push rod; 12. air pump; 13. dust collecting hose; 14. propulsion motor; 15. propulsion screw; 16. movable bottom plate; 17. drive box; 18. drill rod; 19. limiting fixing frame; 20. first filter; 21. second filter; 22. placement port; 23. baffle; 24. cover plate. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are only examples. The coal mine drilling machinery for preventing dust from being raised involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0025] Reference Figure 1-4 The utility model provides a coal mine drilling machine for preventing dust from being raised, including a base 1, a driving mechanism and a dust removal mechanism are fixedly arranged on the upper surface of the base 1, the driving mechanism includes a guide fixing seat 2, and the dust removal mechanism includes two dust collecting boxes 3 and two strip limiting shells 4.

[0026] A propulsion motor 14 is fixedly connected to the surface of the guide fixing seat 2, and the output shaft of the propulsion motor 14 extends to the interior of the guide fixing seat 2 and is fixedly connected to a propulsion screw 15. A propulsion block is threadedly connected to the surface of the propulsion screw 15, and the upper surface of the propulsion block is fixedly connected to a movable base plate 16. A rectangular groove is provided on the lower surface of the movable base plate 16, and the movable base plate 16 is slidingly connected to the surface of the guide fixing seat 2 through the rectangular groove. A drive box 17 is fixedly provided on the upper surface of the movable base plate 16, and a drilling motor is provided inside the drive box 17. The output shaft of the drilling motor extends to the outside of the drive box 17 and is fixedly connected to a drill rod 18.

[0027] An electric telescopic rod 5 is fixedly arranged at the end of the strip-shaped limit shell 4. The telescopic end of the electric telescopic rod 5 extends to the interior of the strip-shaped limit shell 4 and is fixedly connected to a movable support rod 6. The movable support rod 6 has a rectangular structure and is slidably connected to the inner wall of the strip-shaped limit shell 4.

[0028] An inverted L-shaped extension bracket 7 is fixedly connected to the upper surface of the movable support rod 6. A mounting hole is provided on the surface of the extension bracket 7. An adjusting rod 8 is rotatably connected to the inner wall of the mounting hole through a bearing. A dust hood 9 is fixedly connected to one end of the adjusting rod 8. The two dust hoods 9 are symmetrically distributed on both sides of the drill rod 18.

[0029] The other end of the adjusting rod 8 is fixedly connected to an adjusting plate 10, and the surface of the extending bracket 7 is rotatably connected to an electric push rod 11, and the telescopic end of the electric push rod 11 is rotatably connected to the surface of the adjusting plate 10;

[0030] It is worth mentioning that, by arranging an electric push rod 11 and an adjustment plate 10 on the surface of the extension bracket 7, the electric push rod 11 can be used to drive the adjustment rod 8 and the adjustment plate 10 to rotate to different angles, thereby adjusting and positioning the angles of the two dust hoods 9, thereby facilitating the position of the dust hood 9 to be adjusted according to the actual size of the dust during the drilling process, so that the dust hood 9 is as close to the drilling site as possible, thereby maintaining an effective dust collection distance.

[0031] An air pump 12 is fixedly installed on the surface of the dust box 3, and the input end of the air pump 12 extends to the interior of the dust box 3. A dust collecting hose 13 is fixedly embedded on the surface of the dust box 3. The end of the dust collecting hose 13 away from the dust box 3 is fixedly connected to the output end of the dust hood 9, and two pairs of limit fixing frames 19 are fixedly connected to the inner wall of the dust box 3. A first filter 20 and a second filter 21 are respectively inserted and installed between each pair of limit fixing frames 19. The first filter 20 is a coarse-pore filter, and the second filter 21 is a fine-pore filter. The first filter 20 can block large particles of impurities in the dust, and the second filter 21 can filter fine particles of dust in the dust, so that the air pump 12 can discharge the filtered air.

[0032] The input end of the air pump 12 corresponds to the position of the second filter 21, a placement opening 22 is provided on the upper surface of the dust box 3, the position of the placement opening 22 corresponds to the first filter 20 and the second filter 21, and a cover plate 24 is fixed on the top of the placement opening 22 by bolts, a dust cleaning port is provided on the side of the dust box 3, and a baffle 23 is provided on the surface of the dust box 3, and the position of the baffle 23 corresponds to the dust cleaning port.

[0033] By arranging dust hoods 9 on both sides of the drill rod 18, the electric telescopic rod 5 is used to drive the movable support rod 6 to move in the strip limit shell 4, and then the air pump 12 is started to suck air into the dust box 3 to generate negative pressure inside the dust box 3, and then the dust hood 9 is sucked through the dust collecting hose 13, and then the dust hood 9 is used to absorb the dust generated by the drill rod 18 during the drilling process. In addition, the two dust hoods 9 with arc-shaped structures can block the dust to a certain extent and prevent the dust from splashing everywhere, so that the dust hood 9 can fully absorb the dust.

[0034] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A coal mine drilling machine for preventing dust from being raised, comprising a base (1), characterized in that: A driving mechanism and a dust removal mechanism are fixedly arranged on the upper surface of the base (1); the driving mechanism comprises a guide fixing seat (2); and the dust removal mechanism comprises two dust collection boxes (3) and two strip-shaped limiting shells (4); An electric telescopic rod (5) is fixedly arranged at the end of the strip-shaped limit shell (4); the telescopic end of the electric telescopic rod (5) extends to the inside of the strip-shaped limit shell (4) and is fixedly connected to a movable support rod (6); an upper surface of the movable support rod (6) is fixedly connected to an inverted L-shaped extension bracket (7); a mounting hole is provided on the surface of the extension bracket (7); an adjusting rod (8) is rotatably connected to the inner wall of the mounting hole via a bearing; one end of the adjusting rod (8) is fixedly connected to a dust cover (9); the other end of the adjusting rod (8) is fixedly connected to an adjusting plate (10); an electric push rod (11) is rotatably connected to the surface of the extension bracket (7); the telescopic end of the electric push rod (11) is rotatably connected to the surface of the adjusting plate (10); An air pump (12) is fixedly mounted on the surface of the dust box (3), the input end of the air pump (12) extends into the interior of the dust box (3), a dust collecting hose (13) is fixedly embedded on the surface of the dust box (3), and one end of the dust collecting hose (13) away from the dust box (3) is fixedly connected to the output end of the dust hood (9).

2. A coal mine drilling machine for preventing dust from being raised according to claim 1, characterized in that: A propulsion motor (14) is fixedly connected to the surface of the guide fixing seat (2), the output shaft of the propulsion motor (14) extends into the interior of the guide fixing seat (2) and is fixedly connected to a propulsion screw rod (15), and a propulsion block is threadedly connected to the surface of the propulsion screw rod (15).

3. A coal mine drilling machine for preventing dust from being raised according to claim 2, characterized in that: The upper surface of the propulsion block is fixedly connected to a movable base plate (16), a driving box (17) is fixedly arranged on the upper surface of the movable base plate (16), a drilling motor is arranged inside the driving box (17), an output shaft of the drilling motor extends to the outside of the driving box (17) and is fixedly connected to a drill rod (18).

4. A coal mine drilling machine for preventing dust from being raised according to claim 3, characterized in that: The two dust collecting covers (9) are symmetrically distributed on both sides of the drill rod (18); a rectangular groove is provided on the lower surface of the movable base plate (16); and the movable base plate (16) is slidably connected to the surface of the guide fixing seat (2) through the rectangular groove.

5. A coal mine drilling machine for preventing dust from being raised according to claim 4, characterized in that: Two pairs of position-limiting fixed frames (19) are fixedly connected to the inner wall of the dust collecting box (3), and a first filter screen (20) and a second filter screen (21) are respectively inserted and installed between each pair of position-limiting fixed frames (19), wherein the first filter screen (20) is a coarse-pore filter screen, and the second filter screen (21) is a fine-pore filter screen.

6. A coal mine drilling machine for preventing dust from being raised according to claim 5, characterized in that: The input end of the air pump (12) corresponds to the position of the second filter (21); the upper surface of the dust box (3) is provided with a placement opening (22); the position of the placement opening (22) corresponds to the first filter (20) and the second filter (21); and a cover plate (24) is fixedly mounted on the top of the placement opening (22) by means of bolts.

7. A coal mine drilling machine for preventing dust from being raised according to claim 6, characterized in that: A dust cleaning port is provided on the side of the dust collecting box (3), and a baffle (23) is provided on the surface of the dust collecting box (3), wherein the position of the baffle (23) corresponds to the dust cleaning port.

8. A coal mine drilling machine for preventing dust from being raised according to claim 7, characterized in that: The movable support rod (6) has a rectangular structure, and the movable support rod (6) is slidably connected to the inner wall of the strip-shaped limiting shell (4).

Images