CN214616364U

CN214616364U - Pit drilling device for underground coal mine

Info

Publication number: CN214616364U
Application number: CN202120690086.0U
Authority: CN
Inventors: 王长青; 李晓明; 刘智
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-05
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a chisel hole device of adopting is dug in pit in colliery relates to the exploitation field in the pit, including the frame, the inner wall of frame is fixed with the cylinder, the bottom of cylinder is connected with the diaphragm, the locating hole has been seted up on the surface of diaphragm, the inside of locating hole is run through there is spacing post, the surface of spacing post is provided with the scale plate, the top of diaphragm is provided with the motor, the output shaft of motor has the connecting seat through the coupling joint, the inside of connecting seat is provided with the drilling rod. The utility model discloses a during the locating plate roll-off inserted earth from the spout to lock the position of locating plate by the locking lever, can fix the position of chisel hole device, the shrink of the mechanical vibrations accessible spring when chisel hole device uses simultaneously offsets, has reduced the possibility that the device appears the skew because of the mechanical vibrations of self during operation or the influence of work topography, has guaranteed chisel hole device stability and the accuracy nature at the during operation.

Description

Pit drilling device for underground coal mine

Technical Field

The utility model relates to an underground mining field specifically is a chisel hole device of adopting is opened in pit in colliery.

Background

The underground mining refers to a mining mode corresponding to open-pit mining in coal mining, and during underground mining operation, pit drilling operation is often required to be carried out on a designated position, so that a pit drilling device for underground mining of a coal mine is designed.

The stability of the existing pit drilling device in the operation and use process is poor, and the displacement is easy to occur due to the mechanical vibration of the device or the working terrain, so that the deviation occurs in the pit drilling position, and the smooth operation of pit drilling operation is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the stability of the existing pit drilling device in the operation and use process is poor, the pit drilling device adopted under the coal mine is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chisel hole device of adopting is dug in pit in colliery, includes the frame, the inner wall of frame is fixed with the cylinder, the bottom of cylinder is connected with the diaphragm, the locating hole has been seted up on the surface of diaphragm, the inside of locating hole is run through there is spacing post, the surface of spacing post is provided with the scale plate, the top of diaphragm is provided with the motor, the output shaft of motor has the connecting seat through the coupling joint, the inside of connecting seat is provided with the drilling rod, the inner wall of drilling rod is provided with the screw rod, the both ends of screw rod are provided with the nut, the bottom of frame is fixed with the telescopic link, the bottom of telescopic link is connected with the spring, the outside of spring is provided with the pillar, the outer wall of pillar is provided with the spout, the inside of spout is provided with the locating plate, the outside of spout is provided with the check lock lever.

Preferably, the pillars are arranged at the bottom of the outer frame at equal angles, and universal wheels are mounted at the bottoms of the pillars.

Preferably, the inner diameter of the positioning hole is the same as the outer diameter of the limiting column, and the positioning hole and the limiting column form a sliding structure.

Preferably, the scale plate is riveted on the surface of the limiting column, and the scale plate and the limiting column are arranged on the same horizontal plane.

Preferably, both ends of the screw rod are tapped with threads, and the screw rod is in threaded connection with the screw cap.

Preferably, the telescopic rod and the pillar form an elastic telescopic structure, and the central axis of the telescopic rod and the central axis of the pillar coincide with each other.

Preferably, the locking rod and the positioning plate are arranged perpendicular to each other, and the positioning plate and the sliding groove form a sliding structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a during the locating plate roll-off inserted earth from the spout to lock the position of locating plate by the locking lever, can fix the position of chisel hole device, the shrink of the mechanical vibrations accessible spring when chisel hole device uses simultaneously offsets, has reduced the possibility that the device appears the skew because of the mechanical vibrations of self during operation or the influence of work topography, has guaranteed chisel hole device stability and the accuracy nature at the during operation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structural connection between the positioning plate and the chute of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an outer frame; 2. a cylinder; 3. a transverse plate; 4. positioning holes; 5. a limiting column; 6. a scale plate; 7. a motor; 8. a connecting seat; 9. a drill stem; 10. a screw; 11. a nut; 12. a telescopic rod; 13. a spring; 14. a pillar; 15. a chute; 16. positioning a plate; 17. a locking lever; 18. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Please refer to fig. 1-3, a pit drilling device for underground coal mine, comprising an outer frame 1, a cylinder 2 is fixed on the inner wall of the outer frame 1, a transverse plate 3 is connected to the bottom of the cylinder 2, a positioning hole 4 is formed on the surface of the transverse plate 3, a limiting post 5 penetrates through the inside of the positioning hole 4, a scale plate 6 is arranged on the surface of the limiting post 5, a motor 7 is arranged on the top of the transverse plate 3, an output shaft of the motor 7 is connected with a connecting seat 8 through a coupler, a drill rod 9 is arranged inside the connecting seat 8, a screw rod 10 is arranged on the inner wall of the drill rod 9, nuts 11 are arranged at two ends of the screw rod 10, a telescopic rod 12 is fixed at the bottom of the outer frame 1, a spring 13 is connected to the bottom of the telescopic rod 12, a support column 14 is arranged outside the spring 13, a chute 15 is arranged on the outer wall of the support column 14, a positioning plate 16 is arranged inside the chute 15, and a locking rod 17 is arranged outside the chute 15.

The utility model discloses a locating plate 16 inserts earth from roll-off in the spout 15 to lock locating plate 16's position by check lock lever 17, can fix the position of chisel hole device, mechanical vibrations accessible spring 13's when chisel hole device uses shrink is offset simultaneously, has reduced the possibility that the device appears the offset because of the mechanical vibrations of the during operation of itself or the influence of work topography, has guaranteed the stability and the accuracy nature of chisel hole device at the during operation.

Please refer to fig. 1, the pillars 14 are disposed at the bottom of the outer frame 1 at equal angles, the universal wheels 18 are mounted at the bottom of the pillars 14, three pillars 14 are disposed at the bottom of the outer frame 1, and a triangular structure is formed between every two pillars 14 and the ground, so that the stability of the supporting structure of the pillars 14 is ensured, and the arrangement of the universal wheels 18 facilitates the user to move the pit drilling device.

Please refer to fig. 1, the inner diameter of the positioning hole 4 is the same as the outer diameter of the limiting column 5, and the positioning hole 4 and the limiting column 5 form a sliding structure, so that the positioning hole 4 and the limiting column 5 are matched to limit the moving track of the transverse plate 3, thereby ensuring the vertical movement of the transverse plate 3 and preventing the pit drilling position of the drill rod 9 from being skewed.

Please refer to fig. 1, the scale plate 6 is riveted on the surface of the limit column 5, and the scale plate 6 and the limit column 5 are arranged on the same horizontal plane, and through the arrangement of the scale plate 6, a user can accurately control the pit drilling depth of the drill rod 9 through the number indication of the scale plate 6, thereby meeting the construction requirements under different conditions.

Please refer to fig. 3, both ends of the screw rod 10 are threaded, and the screw rod 10 is in threaded connection with the nut 11, so that the drill rod 9 and the connecting seat 8 are connected and mounted conveniently through the connection between the screw rod 10 and the nut 11, and the user can rapidly detach and replace the aged and damaged drill rod 9, thereby ensuring the normal use of the pit drilling device.

Please refer to fig. 1, the telescopic rod 12 and the pillar 14 form an elastic telescopic structure, and the central axis of the telescopic rod 12 coincides with the central axis of the pillar 14, the telescopic rod 12 presses the spring 13 into the pillar 14 after receiving the vibration force, the acting force is offset by the contraction of the spring 13, the resetting speed of the telescopic rod 12 is increased, the stability of the pit drilling device in the pit drilling process is improved, and the influence of the vibration on the interference of the drill rod 9 on the smooth operation of the pit drilling operation is avoided.

Please refer to fig. 2, the locking rod 17 and the positioning plate 16 are perpendicular to each other, and the positioning plate 16 and the sliding groove 15 form a sliding structure, before pit drilling, the positioning plate 16 is put down from the sliding groove 15 and inserted into soil, then the locking rod 17 is screwed to fix the positioning plate 16, and the position of the pit drilling device is fixed by the positioning plate 16, so that the pit drilling device is prevented from displacement due to vibration or terrain during use, and the stability of the pit drilling device during use is further ensured.

The working principle is as follows: firstly, the pit drilling device is moved to a pit drilling position through a universal wheel 18, then a positioning plate 16 is placed down from a sliding groove 15 and inserted into soil, a locking rod 17 is screwed to fix the positioning plate 16, the pit drilling device is fixed through the positioning plate 16, at the moment, a motor 7 and a cylinder 2 are started, the motor 7 drives a drill rod 9 to rotate, the cylinder 2 pushes a transverse plate 3 to move downwards along a limiting column 5 under the driving of a positioning hole 4, pit drilling operation is carried out, meanwhile, a user can accurately control the pit drilling depth of the drill rod 9 through the number indication of a scale plate 6, the construction requirements under different conditions are met, the drill rod 9 can possibly vibrate in the process of rotating pit drilling, at the moment, a telescopic rod 12 extrudes a spring 13 into a strut 14 after receiving vibration force, the acting force is counteracted through the contraction of the spring 13, the resetting speed of the telescopic rod 12 is accelerated, and the stability of the pit drilling device in the pit drilling process is improved, and the drill rod 9 is fixedly installed with the connecting seat 8 through the connection of the two ends of the screw rod 10 and the screw cap 11, so that when the drill rod 9 and the connecting seat 8 are installed in a connecting mode, a user can quickly detach and replace the aged and damaged drill rod 9, and the normal use of the pit drilling device is guaranteed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a chisel hole device that adopts in pit in colliery, includes frame (1), its characterized in that: the inner wall of the outer frame (1) is fixed with an air cylinder (2), the bottom of the air cylinder (2) is connected with a transverse plate (3), a positioning hole (4) is formed in the surface of the transverse plate (3), a limiting column (5) penetrates through the positioning hole (4), a scale plate (6) is arranged on the surface of the limiting column (5), a motor (7) is arranged at the top of the transverse plate (3), an output shaft of the motor (7) is connected with a connecting seat (8) through a coupler, a drill rod (9) is arranged inside the connecting seat (8), a screw rod (10) is arranged on the inner wall of the drill rod (9), nuts (11) are arranged at two ends of the screw rod (10), an expansion link (12) is fixed at the bottom of the outer frame (1), a spring (13) is connected at the bottom of the expansion link (12), a support column (14) is arranged outside the spring (13), the outer wall of pillar (14) is provided with spout (15), the inside of spout (15) is provided with locating plate (16), the outside of spout (15) is provided with check lock lever (17).

2. A pit drilling device for underground coal mine according to claim 1, characterized in that: the support columns (14) are arranged at the bottom of the outer frame (1) at equal angles, and universal wheels (18) are mounted at the bottoms of the support columns (14).

3. A pit drilling device for underground coal mine according to claim 1, characterized in that: the inner diameter of the positioning hole (4) is the same as the outer diameter of the limiting column (5), and the positioning hole (4) and the limiting column (5) form a sliding structure.

4. A pit drilling device for underground coal mine according to claim 1, characterized in that: the scale plate (6) is riveted on the surface of the limiting column (5), and the scale plate (6) and the limiting column (5) are arranged on the same horizontal plane.

5. A pit drilling device for underground coal mine according to claim 1, characterized in that: threads are tapped at two ends of the screw rod (10), and the screw rod (10) is in threaded connection with the screw cap (11).

6. A pit drilling device for underground coal mine according to claim 1, characterized in that: the telescopic rod (12) and the support column (14) form an elastic telescopic structure, and the central axis of the telescopic rod (12) and the central axis of the support column (14) are overlapped.

7. A pit drilling device for underground coal mine according to claim 1, characterized in that: the locking rod (17) and the positioning plate (16) are arranged in a mutually perpendicular mode, and the positioning plate (16) and the sliding groove (15) form a sliding structure.