Blast hole positioning hole drilling device for mining

Abstract

The utility model discloses a mine exploiting blast hole positioning hole drilling device which comprises a drill bit, the upper surface of the drill bit is fixedly connected with a first rotating shaft, the upper end of the first rotating shaft is fixedly connected with a first motor, the side surface of the first motor is fixedly connected with a pressing plate, and the two sides of the pressing plate are both slidably connected with connecting plates. A top plate is fixedly connected to the upper end of the connecting plate, a second motor is fixedly connected to the upper surface of the top plate, a threaded lead screw and an adjusting device are fixedly connected to the output end of the second motor, and the adjusting device comprises a fixing plate, a third motor, a second rotating shaft, a large disc, adjusting teeth, a gear, a fourth rotating shaft and a large nut. The angle of the drill bit can be adjusted through the adjusting device, drilling is conducted downwards along the fixed rail, the perpendicularity and the position precision of the blast hole guide hole are guaranteed, the problem that a blast hole inclines in the process that a drilling machine is directly adopted for drilling is effectively solved, and the quality of follow-up blast holes is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling devices, in particular to a blasthole positioning hole drilling device for mining. Background Art

[0002] Blast hole positioning holes refer to the arrangement rules of blast holes dug in places where blasting is required during the mining process. The blast hole positioning hole drilling device is a blast hole positioning hole drilling equipment used in mining. It can quickly and accurately complete the positioning and drilling of blast holes, thereby improving the efficiency and safety of mining.

[0003] However, common mining blasting and drilling equipment will have a certain tilt angle during the drilling process, and cannot guarantee the verticality and position accuracy of the blasthole guide hole, resulting in the problem of blasthole tilt during the drilling process of the drill rig. After searching, it was found that the technical solution provided by the utility model with application number CN202121679787.0 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a blasthole positioning hole drilling device for mining. The angle of the drill bit can be adjusted through an adjusting device, and holes are drilled downward along a fixed track. The verticality and position accuracy of the blasthole guide hole are ensured, and the problem of blasthole tilting occurring during direct drilling with a drilling rig is effectively prevented, thereby ensuring the quality of subsequent blastholes.

[0005] The utility model also provides a blasthole positioning hole drilling device for mining of the above-mentioned mine, a drill bit, the upper surface of the drill bit is fixedly connected to a first rotating shaft, the upper end of the first rotating shaft is fixedly connected to a first motor, the side surface of the first motor is fixedly connected to a pressure plate, both sides of the pressure plate are slidably connected to connecting plates, the upper end of the connecting plate is fixedly connected to a top plate, the upper surface of the top plate is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a threaded screw, and the side surface of the threaded screw is threadedly connected to a threaded sleeve;

[0006] An adjusting device, the adjusting device includes a fixed plate, a third motor, a second rotating shaft, a large disk, adjusting teeth, a gear, a fourth rotating shaft and a large nut, the rear surface of the fixed plate is fixedly connected to the third motor, the output end of the third motor is fixedly connected to the second rotating shaft, the side surface of the second rotating shaft is fixedly connected to the large disk, the side surface of the large disk is fixedly connected to the adjusting teeth, the inner surface of the gear is fixedly connected to the fourth rotating shaft, and the rear end of the fourth rotating shaft is threadedly connected to the large nut.

[0007] According to the blasthole positioning hole drilling device for mining, the side surface of the threaded screw is rotatably connected to the top plate, and the lower end of the threaded sleeve is fixedly connected to the first motor.

[0008] According to the blasthole positioning hole drilling device for mining, a slide rail is fixedly connected to the lower surface of the top plate, and the outer surface of the slide rail is slidably connected to the pressure plate to facilitate the up and down sliding of the pressure plate.

[0009] According to the blasthole positioning hole drilling device for mining, the side surface of the second rotating shaft is rotatably connected to the fixed plate, and the adjusting teeth are meshed with the gears to control and lock the large disc.

[0010] According to the blasthole positioning hole drilling device for mining, a pull rod is fixedly connected to the side surface of the large nut. There are two pull rods distributed on the left and right sides for convenient turning and locking of the large nut.

[0011] According to the blasthole positioning hole drilling device for mining, the rear surface of the large disc is rotatably connected to the fixed plate, and the side surface of the fourth rotating shaft is rotatably connected to the fixed plate.

[0012] According to the blasthole positioning hole drilling device for mining, the lower surface of the fixing plate is fixedly connected to a base, and the lower surface of the base is fixedly connected to a connecting block for fixing.

[0013] According to the blasthole positioning hole drilling device for mining, the first motor, the second motor and the third motor are all electrically connected to an external power supply.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structural diagram of a blasthole positioning hole drilling device for mining in the utility model;

[0017] Figure 2 This is a structural diagram of an adjustment device of a blasthole positioning hole drilling device for mining in the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 The utility model is a partial structural diagram of a blasthole positioning hole drilling device for mining.

[0020] Legend:

[0021] 1. Drill bit; 2. First rotating shaft; 3. First motor; 4. Pressing plate; 5. Connecting plate; 6. Top plate; 7. Second motor; 8. Lead screw; 9. Threaded sleeve; 10. Slide rail; 11. Fixed plate; 12. Third motor; 13. Second rotating shaft; 14. Large disc; 15. Adjusting teeth; 16. Gear; 17. Fourth rotating shaft; 18. Large nut; 19. Pull rod; 20. Base; 21. Connecting block. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a blasthole positioning hole drilling device for mining, which includes a drill bit 1, the upper surface of the drill bit 1 is fixedly connected with a first rotating shaft 2, the upper end of the first rotating shaft 2 is fixedly connected with a first motor 3, the side surface of the first motor 3 is fixedly connected with a pressure plate 4, both sides of the pressure plate 4 are slidably connected with connecting plates 5, the upper end of the connecting plate 5 is fixedly connected with a top plate 6, the upper surface of the top plate 6 is fixedly connected with a second motor 7, the output end of the second motor 7 is fixedly connected with a threaded screw 8, the side surface of the threaded screw 8 is threadedly connected with a threaded sleeve 9, the side surface of the threaded screw 8 is rotatably connected to the top plate 6, the lower end of the threaded sleeve 9 is fixedly connected to the first motor 3, the lower surface of the top plate 6 is fixedly connected with a slide rail 10, and the outer surface of the slide rail 10 is slidably connected to the pressure plate 4.

[0024] The adjusting device includes a fixing plate 11, a third motor 12, a second rotating shaft 13, a large disc 14, an adjusting tooth 15, a gear 16, a fourth rotating shaft 17 and a large nut 18. The rear surface of the fixing plate 11 is fixedly connected to the third motor 12, the output end of the third motor 12 is fixedly connected to the second rotating shaft 13, the side surface of the second rotating shaft 13 is fixedly connected to the large disc 14, the side surface of the large disc 14 is fixedly connected to the adjusting tooth 15, the inner surface of the gear 16 is fixedly connected to the fourth rotating shaft 17, and the rear end of the fourth rotating shaft 17 is threaded with the large nut 18 The side surface of the second rotating shaft 13 is rotatably connected to the fixed plate 11, the adjusting tooth 15 is meshed with the gear 16, the side surface of the large nut 18 is fixedly connected with a pull rod 19, and the number of the pull rods 19 is two and they are distributed on the left and right. The rear surface of the large disc 14 is rotatably connected to the fixed plate 11, the side surface of the fourth rotating shaft 17 is rotatably connected to the fixed plate 11, the lower surface of the fixed plate 11 is fixedly connected with a base 20, and the lower surface of the base 20 is fixedly connected with a connecting block 21. The first motor 3, the second motor 7, and the third motor 12 are all electrically connected to an external power supply.

[0025] Working principle: The device is connected to the ground by hammering rivets through the connecting block 21, and then the third motor 12 is started to rotate the large disc 14 and adjust the angle between the drill bit 1 and the ground to meet the verticality of the drilling. Then the third motor 12 is turned off, and then the pull rod 19 is pulled to rotate the large nut 18 and lock the fourth shaft 17, so that the large disc 14 is fixed and does not rotate. The first motor 3 is started to make the first shaft 2 drive the drill bit 1 to rotate and drill. At the same time, the second motor 7 is started to rotate the threaded screw 8 to push the threaded sleeve 9 down so that the drill bit 1 continues to drill downwards, thereby ensuring the verticality and position accuracy of the blast hole guide hole, effectively preventing the problem of blast hole tilting during direct drilling with a drilling rig, and ensuring the quality of subsequent blast holes.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A blasthole positioning hole drilling device for mining, characterized in that: include: A drill bit (1), wherein the upper surface of the drill bit (1) is fixedly connected to a first rotating shaft (2), the upper end of the first rotating shaft (2) is fixedly connected to a first motor (3), the side surface of the first motor (3) is fixedly connected to a pressure plate (4), both sides of the pressure plate (4) are slidably connected to connecting plates (5), the upper end of the connecting plate (5) is fixedly connected to a top plate (6), the upper surface of the top plate (6) is fixedly connected to a second motor (7), the output end of the second motor (7) is fixedly connected to a threaded screw (8), and the side surface of the threaded screw (8) is threadedly connected to a threaded sleeve (9); The adjusting device comprises a fixing plate (11), a third motor (12), a second rotating shaft (13), a large disc (14), an adjusting tooth (15), a gear (16), a fourth rotating shaft (17) and a large nut (18), wherein the rear surface of the fixing plate (11) is fixedly connected to the third motor (12), the output end of the third motor (12) is fixedly connected to the second rotating shaft (13), the side surface of the second rotating shaft (13) is fixedly connected to the large disc (14), the side surface of the large disc (14) is fixedly connected to the adjusting tooth (15), the inner surface of the gear (16) is fixedly connected to the fourth rotating shaft (17), and the rear end of the fourth rotating shaft (17) is threadedly connected to the large nut (18).

2. A blasthole positioning hole drilling device for mining according to claim 1, characterized in that: The side surface of the threaded screw (8) is rotatably connected to the top plate (6), and the lower end of the threaded sleeve (9) is fixedly connected to the first motor (3).

3. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: The lower surface of the top plate (6) is fixedly connected to a slide rail (10), and the outer surface of the slide rail (10) is slidably connected to the pressure plate (4).

4. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: The side surface of the second rotating shaft (13) is rotatably connected to the fixed plate (11), and the adjusting tooth (15) is meshingly connected to the gear (16).

5. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: A pull rod (19) is fixedly connected to the side surface of the large nut (18), and the pull rods (19) are two in number and distributed on the left and right.

6. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: The rear surface of the large disc (14) is rotatably connected to the fixed plate (11), and the side surface of the fourth rotating shaft (17) is rotatably connected to the fixed plate (11).

7. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: The lower surface of the fixing plate (11) is fixedly connected to a base (20), and the lower surface of the base (20) is fixedly connected to a connecting block (21).

8. The blast hole positioning hole drilling device for mining according to claim 1, characterized in that: The first motor (3), the second motor (7) and the third motor (12) are all electrically connected to an external power source.

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