CN216642015U

CN216642015U - Mining is with drilling equipment of shallow hole flat bottom

Info

Publication number: CN216642015U
Application number: CN202123244348.XU
Authority: CN
Inventors: 戴水平; 林尧; 关功华; 石林; 朱天红; 李明皓; 朱复兴; 吕祖华
Original assignee: Guizhou Zijin Mining Co Ltd
Current assignee: Guizhou Zijin Mining Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-31
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of drilling equipment, in particular to shallow-hole flat-bottom drilling equipment for mining, which comprises an equipment main body, wherein a drill bit and a limiting assembly are arranged at the top end of the equipment main body, the limiting assembly is positioned on two sides of the drill bit and comprises a fixed block, the fixed block is arranged on the outer wall below the equipment main body, a protective disc is sleeved on the outer wall of the fixed block, sleeves are fixed on the inner walls of two sides of the protective disc, cavities are formed in the inner walls of the bottom ends of the sleeves, limiting insertion rods are movably connected to the bottom ends of the inner walls of the two groups of cavities, limiting blocks are fixed at the top ends of the limiting insertion rods, and springs are welded between the top ends of the two groups of limiting blocks and the inner wall of the bottom end of the sleeve. The utility model effectively solves the problem that the drill bit generates deviation during drilling to influence the accuracy of subsequent drilling, and a large amount of stone slag is pumped out during drilling by the drill bit, and the damage of the stone slag to operators is effectively prevented under the shielding of the protective disc.

Description

Mining is with drilling equipment of shallow hole flat bottom

Technical Field

The utility model relates to the technical field of drilling equipment, in particular to shallow hole flat bottom drilling equipment for mining.

Background

After drilling, bottom structure blast holes are designed and arranged according to medium-length hole distribution parameters and ore body forms before blasting in a medium-length hole stope, the bottom blast holes are blasted while the medium-length hole is blasted, and the problems that a traditional flat-bottom type bottom ore removal structure is difficult to recover residual ore pillars at the bottom of the stope and a scraper is prone to rollover, damage and the like when encountering the residual bottom pillars in the ore removal process are solved by the shallow-hole flat-bottom structure in the application of a medium-length hole sublevel open stope mining method.

The drilling equipment of the flat bottom of shallow hole for mining of current need place the drill bit bottom earlier on the position that needs to drill during drilling, but drilling equipment can produce certain vibrations when starting, because current drilling equipment does not carry on spacingly to the drill bit, consequently this vibrations can lead to the drill bit to produce the skew to influence the accuracy of follow-up drilling, therefore need an urgent need for a drilling equipment of the flat bottom of shallow hole for mining to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problems, the present invention provides a drilling apparatus for mining shallow hole and flat bottom, which solves the problem of the prior art that the conventional drilling apparatus in the background art generates a certain vibration when being started, and the vibration causes the drill bit to shift.

In order to achieve the purpose, the utility model provides the following technical scheme: a drilling apparatus for mining shallow hole flat bottoms, comprising:

the drilling equipment comprises an equipment main body, a drilling head and a drilling head, wherein the top end of the equipment main body is provided with the drilling head;

the limiting assemblies are positioned on two sides of the drill bit and comprise fixing blocks, the fixing blocks are mounted on the outer wall below the equipment main body, the outer wall of each fixing block is sleeved with a protective disc, sleeves are fixed on the inner walls of two sides of each protective disc, cavities are formed in the inner walls of the bottoms of the sleeves, the bottoms of the inner walls of the two groups of cavities are movably connected with limiting insertion rods, limiting blocks are fixed at the top ends of the limiting insertion rods, springs are welded between the top ends of the two groups of limiting blocks and the inner walls of the bottoms of the sleeves, and bases are fixed at the bottoms of the limiting insertion rods;

and the fixing assembly is positioned between the fixing block and the protection disc and comprises a connecting plate.

Preferably, even the board is provided with four groups, four groups even the board all equidistance is installed in the fixed block bottom, and even the board one side inner wall that leaves mutually all has a commentaries on classics board, four groups through pivot swing joint the commentaries on classics board top all is located protection disc bottom, four groups all seted up the screw between commentaries on classics board inner wall and the protection disc bottom inner wall, and all there is the bolt through threaded connection in the screw.

Preferably, the bottom ends of the two groups of bases are fixed with bumps at equal intervals, and the bumps are designed in a triangular shape.

Preferably, two sets of stopper both sides all are fixed with the slider, and cavity inner wall both sides all set up the spout of mutually supporting with the slider.

Preferably, the outer wall of the protection disc is fixed with a side plate, and the upper side and the lower side of the side plate are designed in an inclined shape.

Preferably, the outer walls of the top ends of the four groups of rotating plates are all glued with anti-slip pads, and the top ends of the anti-slip pads are all attached to the outer wall of the bottom end of the protection disc.

Compared with the prior art, the utility model has the beneficial effects that:

1. the shallow-hole flat-bottom drilling equipment for mining is provided with the limiting assembly, when the drilling equipment works, the base at the bottom end of the limiting insertion rod can be placed on the ground firstly, when the drilling equipment is started to drive a drill bit to drill, the limiting insertion rod can move into the cavity under the elastic action of the limiting block and the spring, and the drill bit is limited under the matching action of the limiting insertion rod and the base;

2. the drilling equipment with the shallow hole and the flat bottom for mining is provided with the fixing assembly, when the drilling equipment is used, the fixing between the rotating plate and the protective disc can be released through rotating the bolt, the rotating plate after the fixing is released can rotate to be in a vertical state, and the fixing between the fixing block and the protective disc can be released at the moment.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a bottom view of the arrangement of the fixed block and the protective disk of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. an apparatus main body; 2. a drill bit; 11. a fixed block; 12. a protective disk; 13. a sleeve; 14. a limiting inserted rod; 15. a limiting block; 16. a spring; 17. a base; 18. a bump; 19. a slider; 21. connecting plates; 22. rotating the plate; 23. a bolt; 24. and a side plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a drilling apparatus for mining shallow hole flat bottoms, comprising:

the drilling equipment comprises an equipment main body 1, wherein a drill bit 2 is arranged at the top end of the equipment main body 1;

the limiting component is positioned on two sides of the drill bit 2 and comprises a fixed block 11, the fixed block 11 is installed on the outer wall below the equipment main body 1, the outer wall of the fixed block 11 is sleeved with a protective disc 12, the outer wall of the protective disc 12 is fixed with a side plate 24, the upper side and the lower side of the side plate 24 are designed in an inclined manner, a large amount of stone slag can be pumped out when the drill bit 2 drills, the stone slag can be effectively prevented from injuring operators under the shielding of the protective disc 12 and the side plate 24, the inner walls on two sides of the protective disc 12 are fixed with sleeves 13, the inner walls at the bottom ends of the sleeves 13 are all provided with cavities, the bottoms of the inner walls of the two groups of cavities are movably connected with limiting insertion rods 14, the tops of the limiting insertion rods 14 are fixed with limiting blocks 15, the sliding blocks 19 are fixed on two sides of the two groups of limiting blocks 15, the two sides of the inner walls of the cavities are all provided with sliding grooves matched with the sliding blocks 19, when the limiting blocks 15 move up and down in the cavities, the slider 19 can slide in the sliding groove, so that the convenience of the moving period of the limiting block 15 is effectively increased, and the friction between the limiting block 15 and the inner wall of the cavity is reduced.

Springs 16 are welded between the top ends of the two groups of limiting blocks 15 and the inner wall of the bottom end of the sleeve 13, bases 17 are fixed at the bottom ends of the limiting insertion rods 14, lugs 18 are fixed at the bottom ends of the two groups of bases 17 at equal intervals, the lugs 18 are in a triangular design, when the bases 17 are positioned on the ground, the lugs 18 are inserted into the ground, the stability of the bases 17 can be improved to a greater extent, and the bases 17 are prevented from displacing;

fixed subassembly, fixed subassembly is located between fixed block 11 and the protection disc 12, and fixed subassembly includes even board 21, even board 21 is provided with four groups, the equal equidistance of four groups even board 21 is installed in 11 bottoms of fixed block, and one side inner wall that even board 21 deviates from all has changeed board 22 through pivot swing joint, four groups change board 22 tops all are located protection disc 12 bottoms, four groups change board 22 top outer walls all are glued and have the slipmat, and the slipmat top all laminates at protection disc 12 bottom outer wall, there is the slipmat through gluing, can increase the frictional force between commentaries on classics board 22 and the protection disc 12, prevent to change board 22 and produce the skew.

All seted up the screw between four group's commentaries on classics board 22 inner walls and the protection disc 12 bottom inner wall, and all have bolt 23 through threaded connection in the screw, utility model discloses a this subassembly can make things convenient for operating personnel to fix and the dismouting between fixed block 11 and the protection disc 12 greatly, fixed knot constructs simply, operates convenient and fast.

The working principle is as follows: when the drilling equipment works, firstly, the bottom end of the base 17 is placed on the ground, so that the bump 18 is inserted into the ground, then, by starting the equipment main body 1, the limiting insertion rod 14 moves into the cavity under the elastic action of the limiting block 15 and the spring 16, and the limiting insertion rod 14 and the base 17 limit the drill bit 2;

when the protection disc 12 needs to be disassembled, the bolt 23 can be rotated to be separated from the screw hole formed in the inner wall of the bottom end of the protection disc 12, the protection disc 12 and the rotating plate 22 are released from fixation, the rotating plate 22 rotates, the fixation between the protection disc 12 and the fixing block 11 can be released, and the operation is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A shallow hole flat bottom drilling apparatus for mining, comprising:

the drilling equipment comprises an equipment main body (1), wherein a drill bit (2) is installed at the top end of the equipment main body (1);

the limiting assembly is located on two sides of the drill bit (2) and comprises a fixing block (11), the fixing block (11) is mounted on the outer wall below the equipment main body (1), a protective disc (12) is sleeved on the outer wall of the fixing block (11), sleeves (13) are fixed on the inner walls of two sides of the protective disc (12), cavities are formed in the inner walls of the bottoms of the sleeves (13), limiting insertion rods (14) are movably connected to the bottoms of the inner walls of the cavities in two groups, limiting blocks (15) are fixed to the tops of the limiting insertion rods (14), springs (16) are welded between the tops of the limiting blocks (15) and the inner walls of the bottoms of the sleeves (13), and bases (17) are fixed to the bottoms of the limiting insertion rods (14);

the fixing component is positioned between the fixing block (11) and the protection disc (12) and comprises a connecting plate (21).

2. A mining shallow hole flat bottom drilling apparatus according to claim 1 wherein: link board (21) to be provided with four groups, four groups link board (21) all equidistance and install in fixed block (11) bottom, and link one side inner wall that board (21) deviates from mutually all have commentaries on classics board (22), four groups it all is located protection disc (12) bottom, four groups to change board (22) top rotate and all seted up the screw between board (22) inner wall and protection disc (12) bottom inner wall, and all have bolt (23) through threaded connection in the screw.

3. A mining shallow hole flat bottom drilling apparatus according to claim 1 wherein: the bottom ends of the two groups of bases (17) are fixed with lugs (18) at equal intervals, and the lugs (18) are designed in a triangular shape.

4. A mining shallow hole flat bottom drilling apparatus according to claim 1 wherein: two sets of stopper (15) both sides all are fixed with slider (19), and cavity inner wall both sides all offer the spout of mutually supporting with slider (19).

5. A mining shallow hole flat bottom drilling apparatus according to claim 1 wherein: the outer wall of the protection disc (12) is fixed with a side plate (24), and the upper side and the lower side of the side plate (24) are designed to be inclined.

6. A mining shallow hole flat bottom drilling apparatus according to claim 2 wherein: the outer walls of the top ends of the four groups of rotating plates (22) are all glued with anti-skid pads, and the top ends of the anti-skid pads are all attached to the outer wall of the bottom end of the protective disc (12).