CN221920819U - Mining drilling device - Google Patents

Abstract

The application relates to a mining drilling device which comprises a bottom frame and a drill bit assembly, wherein a supporting plate is arranged above the bottom frame, the drill bit assembly is arranged on the supporting plate, a lifting assembly for adjusting the height of the drill bit assembly is arranged on the supporting plate, a plurality of rotating chain wheels are rotatably arranged on the supporting plate and are distributed at equal intervals by taking the drill bit assembly as a center, positioning screws are respectively arranged on the rotating chain wheels in a penetrating manner, the positioning screws penetrate through the supporting plate and extend below the supporting plate, the positioning screws are coaxially connected with the rotating chain wheels in a threaded manner, and the top ends of adjacent positioning screws are connected through connecting rods. The rotary chain wheel is rotated, the positioning screw rod vertically moves, the end part of the positioning screw rod is in contact with the ground, positioning accuracy is improved, the supporting plate is moved aiming at a punching point, the punching point is located at the middle position of a plurality of positioning screw rods, the drill bit assembly is moved downwards through the lifting assembly, the drill bit assembly is started, drilling work is carried out, and drilling accuracy is improved.

Description

Mining drilling device

Technical Field

The present application relates to the technical field of mining drilling, and in particular to a mining drilling device.

Background Art

In mining operations, drilling machines are often needed. Drilling machines are a general term for machinery and equipment that use tools that are harder and sharper than the target object to leave cylindrical holes or holes on the target object through rotary cutting or rotary extrusion. They are also called drilling rigs, punching machines, eyelet drills, and through-hole machines. The drilling and blasting method has always been the main construction method for rock excavation in underground buildings. In the mining drilling process, the appropriate drilling position is often calculated through algorithms, and the accuracy requirements for the drilling position and angle are also relatively strict.

In the prior art, mining drilling devices cannot pre-position the drilling position when drilling, and the drill bit is prone to errors when drilling, which affects the drilling effect.

Utility Model Content

In order to perform positioning before drilling and ensure the accuracy of the drilling position, the present application provides a mining drilling device.

The present application provides a mining drilling device, which adopts the following technical solution:

A mining drilling device includes a base frame and a drill bit assembly, a support plate is arranged above the base frame, the drill bit assembly is mounted on the support plate, a lifting component for adjusting the height of the drill bit assembly is arranged on the support plate, a plurality of rotating sprockets are rotatably arranged on the support plate, the plurality of rotating sprockets are equidistantly spaced around the drill bit assembly as the center, positioning screws are penetrated through the support plate and extend to the bottom of the support plate, the positioning screws are coaxially threadedly connected to the rotating sprockets, and the top ends of adjacent positioning screws are connected by a connecting rod.

By adopting the above technical solution, the rotating sprocket is rotated, the positioning screw is moved vertically, and the end of the positioning screw is in contact with the ground, thereby improving the positioning accuracy. The punching point is positioned, and the support plate is moved so that the punching point is located in the middle of several positioning screws. The drill assembly is moved downward by the lifting component, and the drill assembly is started to perform drilling work, thereby improving the drilling accuracy.

Optionally, a driving sprocket is rotatably connected to the support plate, a rotating motor for driving the sprocket to rotate is provided on the support plate, and the driving sprocket is connected to all the rotating sprockets via a connecting chain.

By adopting the above technical solution, the rotating motor is started to rotate the driving sprocket, and the other rotating sprockets are driven to rotate through the connecting chain, so that all the positioning screws move synchronously.

Optionally, a positioning block is provided at the bottom of the positioning screw.

By adopting the above technical solution, the positioning screw moves downward, and the positioning block contacts the ground, thereby preventing the positioning screw from directly contacting the ground.

Optionally, the lifting assembly includes a lifting bracket, a lifting screw and a lifting plate, the lifting bracket is installed on the support plate along the height direction, the lifting screw is installed on the support plate and is rotatably connected to the support plate, the drill bit assembly is installed on the lifting plate, and the lifting screw passes through the lifting plate and is threadedly connected to the lifting plate.

By adopting the above technical solution, the lifting plate is moved in the vertical direction by rotating the lifting screw, so that the height position of the drill assembly is adjusted.

Optionally, two limit brackets are provided on the support plate and are located on both sides of the lifting bracket. Limit guide rails are provided on the two limit brackets along the height direction, and limit guide blocks matching with the limit guide rails are provided on both sides of the lifting plate.

By adopting the above technical solution, when the lifting plate moves along the length direction of the lifting screw, the limiting guide block moves along the limiting guide rail to provide limiting support for the movement of the lifting plate, thereby improving the stability of the lifting process of the lifting plate.

Optionally, a moving screw is rotatably connected to the base frame, a moving block is provided on one side of the support plate, the moving screw passes through the moving block and is threadedly connected to the moving block, and a moving motor is provided on the base frame to drive the moving screw to rotate.

By adopting the above technical solution, the support plate is moved in the horizontal direction by rotating the movable screw, so that the position of the drill assembly can be adjusted conveniently.

Optionally, a guide rod is provided on the side of the base frame away from the moving screw, and a guide block is provided on the side of the support plate away from the moving block. The guide rod passes through the guide block and is slidably connected to the guide block.

By adopting the above technical solution, the stability of the support plate moving in the horizontal direction is improved through the guide rod.

Optionally, universal wheels are provided at the four corners below the base frame.

By adopting the above technical solution, the base frame can be conveniently moved through the universal wheels.

In summary, the present application includes at least one of the following beneficial technical effects:

The rotating sprocket is rotated, and the positioning screw is moved vertically, so that the end of the positioning screw contacts the ground to improve the positioning accuracy, and the punching point is positioned, and the support plate is moved so that the punching point is located in the middle of several positioning screws, and the drill assembly is moved downward by the lifting component, and the drill assembly is started to perform drilling work to improve the accuracy of drilling.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the overall structure of a mining drilling device.

FIG. 2 is a schematic diagram for illustrating the connection relationship between the positioning screw and the positioning block in an embodiment of the present application.

Explanation of the reference numerals: 1. base frame; 11. universal wheel; 12. moving screw; 13. moving motor; 14. guide rod; 2. drill bit assembly; 21. drill rod; 22. driving motor; 3. support plate; 31. rotating sprocket; 32. positioning screw; 321. positioning block; 322. connecting rod; 33. driving sprocket; 34. rotating motor; 35. connecting chain; 36. moving block; 37. guide block; 38. through port; 4. lifting assembly; 41. lifting bracket; 42. lifting screw; 43. lifting motor; 5. lifting plate; 51. limit guide block; 6. limit bracket; 61. limit guide rail.

DETAILED DESCRIPTION

The present application is further described in detail below in conjunction with all the accompanying drawings.

The embodiment of the present application discloses a mining drilling device.

Referring to Figure 1, a mining drilling device includes a base frame 1 and a drill assembly 2. Universal wheels 11 are arranged at the four corners below the base frame 1 to facilitate the movement of the base frame 1. A support plate 3 is installed above the base frame 1. The drill assembly 2 is installed on the support plate 3. A lifting component 4 for adjusting the height of the drill assembly 2 is arranged on the support plate 3. The lifting component 4 includes a lifting bracket 41, a lifting screw 42 and a lifting plate 5. The lifting bracket 41 is installed on the support plate 3 along the height direction. The lifting screw 42 is installed on the support plate 3 and is rotatably connected to the support plate 3. A lifting motor 43 for driving the lifting screw 42 to rotate is installed on the lifting bracket 41. The output shaft of the lifting motor 43 is connected to the lifting screw 42. Coaxially fixedly connected, the lifting screw 42 passes through the lifting plate 5 and is threadedly connected to the lifting plate 5, the drill bit assembly 2 is installed on the lifting plate 5, and the lifting motor 43 is started. By rotating the lifting screw 42, the lifting plate 5 is moved in the vertical direction to adjust the height position of the drill bit assembly 2. The drill bit assembly 2 includes a drill rod 21 and a driving motor 22 for driving the drill rod 21 to rotate. The driving motor 22 is installed on the lifting plate 5, and the output shaft of the driving motor 22 is coaxially fixedly connected to the drill rod 21. A through hole 38 is opened on the support plate 3 and is located directly below the drill rod 21. When the lifting plate 5 moves downward, the driving motor 22 is started, and the drill rod 21 rotates through the through hole 38 to perform drilling.

Referring to Figure 1, two limit brackets 6 located on both sides of the lifting bracket 41 are installed on the support plate 3. Limit guide rails 61 are set on the two limit brackets 6 along the height direction. Limit guide blocks 51 that cooperate with the limit guide rails 61 are fixedly connected on both sides of the lifting plate 5. When the lifting plate 5 moves along the length direction of the lifting screw 42, the limit guide blocks 51 move along the limit guide rails 61 to limit the movement of the lifting plate 5, thereby improving the stability of the lifting process of the lifting plate 5.

Referring to Figure 1, three rotating sprockets 31 are rotatably connected to the support plate 3. The three rotating sprockets 31 are equidistantly spaced around the drill assembly 2. The through opening 38 is located in the middle of the three rotating sprockets 31. Positioning screws 32 are pierced through the three rotating sprockets 31. The positioning screws 32 pass through the support plate 3 and extend to the bottom of the support plate 3. The positioning screws 32 are coaxially threaded with the rotating sprockets 31. The top ends of adjacent positioning screws 32 are connected by a connecting rod 322. The positioning screws 32 are limited by the connecting rod 322. When the rotating sprocket 31 rotates, the positioning screws 32 can only move vertically up and down due to the force of the connecting rod 322. A driving sprocket 33 is rotatably connected to the support plate 3, and a rotating motor 34 for driving the sprocket 33 to rotate is installed on the support plate 3. The output shaft of the rotating motor 34 is coaxially and fixedly connected to the driving sprocket 33. The driving sprocket 33 is connected to all the rotating sprockets 31 through a connecting chain 35. The rotating motor 34 is started to rotate the driving sprocket 33, and the other rotating sprockets 31 are driven to rotate through the connecting chain 35, so that all the positioning screws 32 are synchronously moved vertically, and the ends of the positioning screws 32 are in contact with the ground, thereby improving the positioning accuracy. For positioning of the punching point, the support plate 3 is moved so that the punching point is located in the middle of the three positioning screws 32, and the drill assembly 2 is moved downward by the lifting component 4, and the drill assembly 2 is started to perform drilling work to improve the drilling accuracy.

1 and 2 , a positioning block 321 is installed at the bottom of the positioning screw 32 . When the positioning screw 32 moves downward, the positioning block 321 contacts the ground to prevent the positioning screw 32 from directly contacting the ground.

Referring to Fig. 1, a moving screw 12 is rotatably connected to the base frame 1, a moving block 36 is provided on one side of the support plate 3, the moving screw 12 passes through the moving block 36 and is threadedly connected to the moving block 36, a moving motor 13 is provided on the base frame 1 to drive the moving screw 12 to rotate, the output shaft of the moving motor 13 is coaxially fixedly connected to the moving screw 12, the moving motor 13 is started, and the moving screw 12 is rotated to make the support plate 3 move in the horizontal direction, so as to facilitate the adjustment of the position of the drill assembly 2. A guide rod 14 is installed on the side of the base frame 1 away from the moving screw 12, and a guide block 37 is provided on the side of the support plate 3 away from the moving block 36, the guide rod 14 passes through the guide block and is slidably connected to the guide block 37. The guide rod 14 is used to improve the stability of the support plate 3 moving in the horizontal direction.

The implementation principle of a mining drilling device in an embodiment of the present application is as follows: start the rotating motor 34 to rotate the driving sprocket 33, and drive the other rotating sprockets 31 to rotate through the connecting chain 35, so that all the positioning screws 32 move vertically synchronously, so that the ends of the positioning screws 32 contact the ground, improve the positioning accuracy, and position the drilling points. Start the lifting motor 43, and move the lifting plate 5 in the vertical direction by rotating the lifting screw 42. During the downward movement of the lifting plate 5, start the driving motor 22, and the drill rod 21 rotates to perform drilling.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims (8)

1. Mining drilling device, including chassis (1) and drill bit assembly (2), its characterized in that: the novel drilling machine is characterized in that a supporting plate (3) is arranged above the underframe (1), the drill bit assembly (2) is arranged on the supporting plate (3), lifting components (4) used for adjusting the height of the drill bit assembly (2) are arranged on the supporting plate (3), a plurality of rotating chain wheels (31) are rotatably arranged on the supporting plate (3), the rotating chain wheels (31) are distributed at equal intervals with the drill bit assembly (2) as a center, a plurality of positioning screws (32) are arranged on the rotating chain wheels (31) in a penetrating mode, the positioning screws (32) penetrate through the supporting plate (3) and extend to the lower portion of the supporting plate (3), the positioning screws (32) are connected with the rotating chain wheels (31) in a coaxial threaded mode, and the tops of the adjacent positioning screws (32) are connected through connecting rods (322).

2. A mining drilling device according to claim 1, wherein: the support plate (3) is rotatably connected with a driving sprocket (33), a rotating motor (34) for driving the sprocket (33) to rotate is arranged on the support plate (3), and the driving sprocket (33) is connected with all the rotating sprockets (31) through a connecting chain (35).

3. A mining drilling device according to claim 1, wherein: the bottom of the positioning screw rod (32) is provided with a positioning block (321).

4. A mining drilling device according to claim 1, wherein: lifting component (4) are including lifting support (41), lifting screw (42) and lifter plate (5), lifting support (41) are installed on backup pad (3) along the direction of height, lifting screw (42) are installed on backup pad (3) and are connected with backup pad (3) rotation, drill bit assembly (2) are installed on lifter plate (5), lifting screw (42) pass lifter plate (5) and with lifter plate (5) threaded connection.

5. A mining drilling device according to claim 4, wherein: two limiting brackets (6) positioned on two sides of the lifting bracket (41) are arranged on the supporting plate (3), limiting guide rails (61) are arranged on the two limiting brackets (6) along the height direction, and limiting guide blocks (51) matched with the limiting guide rails (61) are arranged on two sides of the lifting plate (5).

6. A mining drilling device according to claim 1, wherein: the novel movable screw is characterized in that a movable screw (12) is rotatably connected to the underframe (1), a movable block (36) is arranged on one side of the supporting plate (3), the movable screw (12) penetrates through the movable block (36) and is in threaded connection with the movable block (36), and a movable motor (13) for driving the movable screw (12) to rotate is arranged on the underframe (1).

7. A mining drilling device according to claim 6, wherein: the chassis (1) is provided with a guide rod (14) on one side far away from the moving screw (12), the support plate (3) is provided with a guide block (37) on one side far away from the moving block (36), and the guide rod (14) passes through the guide to be fast and is in sliding connection with the guide block (37).

8. A mining drilling device according to claim 1, wherein: universal wheels (11) are arranged at four corners below the underframe (1).