Blasting drilling equipment
By designing anti-slip feet and locking mechanisms on the drilling equipment, the problem of slippage of the drilling device in hard media was solved, achieving drilling accuracy and anti-slip effect, and improving blasting effect.
Patent Information
- Application Number
- CN202423004529.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing drilling devices are prone to slipping when drilling harder media, resulting in substandard blasting hole shape and depth, affecting the blasting effect.
A blasting drilling device was designed, which adopts an anti-slip foot and a locking mechanism. By adjusting the insertion length of the anti-slip foot and the rotation of the locking screw, the drill bit is ensured to be perpendicular to the position to be drilled, and anti-slip protrusions are set on the drill bit to prevent the device from moving.
It achieves precision and anti-slip effect when drilling on different media surfaces, ensuring the shape and depth requirements of the blasting holes and improving the blasting effect.
Smart Images

Figure CN223478011U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drilling equipment technology, and in particular to a blasting drilling device. Background Technology
[0002] Blasting is a technique that utilizes the compression, loosening, destruction, throwing, and destructive effects produced by the explosion of explosives in air, water, soil, rock, or other materials to achieve a desired objective. When an explosive charge or charge explodes in soil, rock, or a structure, it causes compression, deformation, destruction, loosening, and throwing of the material. It is mainly used in earthwork engineering, demolition of buildings and structures, etc. Before blasting, a hole needs to be drilled in the medium to be blasted, and then explosives are filled into the hole. The drilled blasting hole has certain requirements, especially its shape and depth. If the shape and depth do not meet the requirements, the effect of the explosion after filling with explosives will be greatly reduced. Existing drilling equipment is prone to drill bit slippage when drilling hard media, which affects the shape of the blasting hole and consequently the subsequent blasting effect. To address the above problems, this utility model provides a solution. Utility Model Content
[0003] The purpose of this invention is to provide a blasting drilling device.
[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0005] A blasting drilling device includes a motor and a drill bit. The drill bit is mounted on the motor, which is fixedly mounted on a mounting frame. The bottom sides of the mounting frame are slidably connected to two anti-slip feet via sliding sleeves. The upper end of the mounting frame is fixedly connected to the lower end of a push rod. The push rod passes through a U-shaped telescopic frame in the middle, and a push block is provided at the upper end of the push rod. A compressed spring is fitted onto the push rod between the push block and the telescopic frame. Without applying external force to the push rod, the end of the drill bit is positioned above the bottom of the anti-slip feet. The upper ends of the anti-slip feet are inserted into telescopic holes on both sides of the telescopic frame and fixedly connected by a locking mechanism. The telescopic holes are square holes, and the cross-section of the anti-slip feet is also square. Handles are provided on the side walls of the telescopic frame.
[0006] Furthermore, the locking mechanism includes a locking screw disposed on the side wall of the telescopic frame. The locking screw is threadedly engaged with the side wall of the telescopic frame. By rotating the locking screw and the telescopic frame, the end of the locking screw abuts against the side of the anti-slip foot, thus fixing the anti-slip foot to the telescopic frame. The locking mechanism can be adjusted by simply loosening the locking screw, thereby allowing the two anti-slip feet of the equipment to be supported on the uneven medium surface, while ensuring that the drill bit is perpendicular to the position of the hole to be drilled, thus ensuring the accuracy of the drilling position.
[0007] Furthermore, the bottom of the anti-slip foot is provided with a square abutment block, and the bottom of the abutment block is provided with several evenly distributed anti-slip protrusions. The anti-slip protrusions can further prevent the drilling equipment from moving during the drilling process.
[0008] Furthermore, there are two handles, which are respectively located on both sides of the upper end of the telescopic frame. The handles can be held with one hand or with both hands for operation.
[0009] In summary, the present invention has the following beneficial effects: The drilling equipment designed in this invention can adjust the anti-slip feet according to the surface shape of different drilling media to ensure that the drill bit is perpendicular to the drilling position, effectively ensuring the accuracy of the drilling position, while having a good anti-slip effect and avoiding drilling deviation. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0011] Figure 2 This is a schematic diagram of the installation of the anti-slip foot of this utility model.
[0012] In the diagram, 1. Motor; 2. Drill bit; 3. Anti-slip foot; 4. Abutment block; 5. Anti-slip protrusion; 6. Sliding sleeve; 7. Telescopic frame; 8. Mounting frame; 9. Locking screw; 10. Push rod; 11. Push block; 12. Spring; 13. Handle. Detailed Implementation
[0013] The present invention will be further described in detail below with reference to the accompanying drawings. The technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.
[0014] like Figure 1As shown, a blasting drilling device includes a motor 1 and a drill bit 2. The drill bit 2 is mounted on the motor 1, and the motor 1 is fixedly mounted on a mounting frame 8. The bottom sides of the mounting frame 8 are slidably connected to two anti-slip feet 3 via a sliding sleeve 6. The upper end of the mounting frame 8 is fixedly connected to the lower end of a push rod 10. The push rod 10 passes through a "door"-shaped telescopic frame 7. A push block 11 is provided at the upper end of the push rod 10. A compressed spring 12 is fitted on the push rod 10 between the push block 11 and the telescopic frame 7. Without applying external force to the push rod 10, the end of the drill bit 2 is positioned above the bottom end of the anti-slip feet 3. The upper end of the anti-slip feet 3 is inserted into telescopic holes on both sides of the telescopic frame 7 and fixedly connected by a locking mechanism. The telescopic holes are square holes, and the cross-section of the anti-slip feet 3 is also square. A handle 13 is provided on the side wall of the telescopic frame 7.
[0015] Further, such as Figure 2 As shown, the locking mechanism includes a locking screw 9 disposed on the side wall of the telescopic frame 7. The locking screw 9 is threadedly engaged with the side wall of the telescopic frame 7. By rotating the locking screw 9 and the telescopic frame 7, the end of the locking screw 9 presses against the side of the anti-slip foot 3, thus fixing the anti-slip foot 3 to the telescopic frame 7. The locking mechanism can be adjusted by loosening the locking screw 9, thereby allowing the two anti-slip feet 3 of the equipment to be supported on the uneven medium surface, while ensuring that the drill bit is perpendicular to the position of the hole to be drilled, thus ensuring the accuracy of the drilling position.
[0016] Furthermore, the bottom of the anti-slip foot 3 is provided with a square abutment 4, and the bottom of the abutment 4 is provided with several evenly distributed anti-slip protrusions 5. The anti-slip protrusions 5 can further prevent the drilling equipment from moving during the drilling process.
[0017] Furthermore, there are two handles 13, which are respectively located on both sides of the upper end of the telescopic frame 7. The handles 13 can be held with one hand or with both hands.
[0018] Working principle: When drilling, the operator holds the handle 13 and adjusts the length of the two anti-slip feet 3 inserted into the telescopic frame 7 according to the shape and structure of the hole to be drilled. This ensures that the anti-slip feet 3 better abut against the outside of the hole to be drilled, while ensuring that the drill bit 2 is perpendicular to the hole to be drilled. After adjusting the position, the operator starts the motor 1 and presses the push block 11 by hand. The push block 11 compresses the spring 12, causing the motor 1 and the drill bit 2 to move down and drill the hole in the medium surface. The operator can push and pull the push block 11 back and forth to perform reciprocating drilling and prevent the motor from stalling.
[0019] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. A blasting drilling device, comprising a motor (1) and a drill bit (2), wherein the drill bit (2) is mounted on the motor (1), characterized in that: The motor (1) is fixedly mounted on the mounting bracket (8). The bottom sides of the mounting bracket (8) are slidably connected to two anti-slip feet (3) through a sliding sleeve (6). The upper end of the mounting bracket (8) is fixedly connected to the lower end of the push rod (10). The push rod (10) passes through the telescopic frame (7) in the middle. The upper end of the push rod (10) is provided with a push block (11). A compressed spring (12) is fitted on the push rod (10) between the push block (11) and the telescopic frame (7). The upper end of the anti-slip feet (3) is inserted into the telescopic holes on both sides of the telescopic frame (7) and is fixedly connected by a locking mechanism. The telescopic holes are square holes, and the cross-section of the anti-slip feet (3) is also square. The side wall of the telescopic frame (7) is provided with a handle (13).
2. The blasting drilling equipment according to claim 1, characterized in that: The locking mechanism includes a locking screw (9) provided on the side wall of the telescopic frame (7). The locking screw (9) is threadedly engaged with the side wall of the telescopic frame (7). By rotating the locking screw (9) and the telescopic frame (7) threadedly engaged, the end of the locking screw (9) abuts against the side of the anti-slip foot (3), thus fixing the anti-slip foot (3) and the telescopic frame (7) together.
3. The blasting drilling equipment according to claim 1, characterized in that: The bottom of the anti-slip foot (3) is provided with a square abutment (4), and the bottom of the abutment (4) is provided with several evenly distributed anti-slip protrusions (5).
4. The blasting drilling equipment according to claim 1, characterized in that: The number of handles (13) is two, and the two handles (13) are respectively set on both sides of the upper end of the telescopic frame (7).