CN217872665U

CN217872665U - Good drilling equipment for hard rock of stability

Info

Publication number: CN217872665U
Application number: CN202222320997.1U
Authority: CN
Inventors: 严杨保; 宋银辉; 黄声坚; 王书英; 晏琛; 裴亚兵; 陈启; 余安; 郭霞; 石崇
Original assignee: Nuclear Industry Huzhou Survey Planning Design And Research Institute Co ltd
Current assignee: Nuclear Industry Huzhou Survey Planning Design And Research Institute Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-22
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a stereoplasm drilling equipment for rock that stability is good, the on-line screen storage device comprises a base, the welding of base top surface has four stands, the cover has first mounting panel and second mounting panel on the stand, first mounting panel bottom surface is fixed with the motor, the motor is connected with the connecting axle, the connecting axle bottom is equipped with square limiting plate, square limiting plate is connected with the rock core pipe through springiness cushioning structure, square limiting plate is equipped with spacing draw-in groove with connecting portion relatively, the built-in elasticity snubber block of spacing draw-in groove, the detachable drill bit is equipped with to the rock core pipe bottom, the stand top is fixed with the roof to be fixed with telescopic cylinder. Has the advantages that: the rock core pipe is subjected to pressure and vibration in the process of transmitting the pressure and the vibration to the motor, and the elastic damping block and the damping spring are used for buffering and damping, so that the vibration to the motor is effectively reduced, and the motor is prevented from being damaged; the drill bit is locked at the bottom of the rock core pipe, so that the drill bit cannot fall off by vibration and is safer and more stable.

Description

Good drilling equipment for hard rock of stability

Technical Field

The utility model belongs to the technical field of the rock drilling, concretely relates to good hard rock of stability is with probing device.

Background

In geological exploration, a drilling method is mostly adopted to observe the natural state of a rock-soil layer and the geological structure of each stratum, wherein the drilling refers to an exploration method that a drilling machine is used for drilling holes in the stratum to identify and divide the subsurface stratum and can sample along the depth of the drilled holes, and deep geological data can be obtained.

The existing drilling device is simple in structure and lacks of a buffer structure, and particularly when some hard rocks are drilled, the motor is easy to damage; and the drill bit is usually installed at the bottom end of the core barrel in a threaded manner, so that the drill bit is easy to loosen during strong vibration in the drilling process, and the drilling quality and safety are affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a good drilling rig for hard rock of stability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a good stereoplasm drilling equipment for rock of stability, the on-line screen storage device comprises a base, the base bottom surface is fixed with a plurality of supporting legs, the welding of base top surface has four stands, the cover has gliding first mounting panel and second mounting panel from top to bottom on the stand, first mounting panel underrun support is fixed with the motor, motor output shaft has the connecting axle through the coupling joint, the connecting axle runs through the second mounting panel, and the bottom is equipped with square limiting plate, square limiting plate is connected with the core pipe, core pipe top is equipped with connecting portion, be equipped with the spacing groove in the connecting portion, spacing inslot welding has four spacing guide arms, square limiting plate is equipped with the confession the hole that spacing guide arm passed, the cover has buffer spring on the spacing guide arm, the connecting portion top is equipped with the closing cap, spacing guide arm exposes the top of closing cap is equipped with the screw thread to threaded mounting has fastening nut, square limiting plate with connecting portion is equipped with spacing draw-in groove relatively, the elastic shock attenuation piece is installed to spacing draw-in groove, the core pipe bottom runs through install the detachable drill bit behind the base, the stand top is fixed with the roof, be fixed with telescopic cylinder on the roof, telescopic cylinder piston rod runs through fixed connection behind the roof.

Preferably, the base is provided with a hole for the core barrel to penetrate through, and the hole is tightly attached to the outer wall of the core barrel.

Preferably, linear bearings which are connected with the first mounting plate in a sliding mode are mounted at the joints of the first mounting plate and the second mounting plate with the upright post.

Preferably, a support rod is fixed between the first mounting plate and the second mounting plate.

Preferably, the bottom of each supporting leg is provided with a sharp positioning rod.

Preferably, a bearing is installed between the second installation plate and the connection shaft.

Preferably, the rock core pipe bottom is equipped with the tongue-and-groove along the inner wall round, the drill bit top is equipped with the tenon that matches with the tongue-and-groove, the tenon outer wall is equipped with a plurality of first draw-in grooves, pressure spring and fixture block are equipped with in the first draw-in groove, the rock core pipe bottom be equipped with the second draw-in groove that first draw-in groove corresponds, the rock core pipe outer wall has been seted up and has been link up the screw of second draw-in groove.

Preferably, all install the screw on the screw, the end of screw does not expose outside the core tube.

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

1. the pressure that the rock core pipe received and vibrations can cushion the shock attenuation through elasticity snubber block and buffer spring to motor transmission in-process to effectively reduce vibrations to the motor, prevent to damage the motor.

2. The drill bit is locked at the bottom of the rock core pipe, so that the drill bit cannot fall off by vibration and is safer and more stable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

fig. 4 is a schematic view of the overlooking structure of the connecting portion, the limiting groove, the limiting guide rod and the limiting clamping groove of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a column; 4. a first mounting plate; 5. a second mounting plate; 6. a support; 7. a motor; 8. a connecting shaft; 9. a square limit plate; 10. a core barrel; 11. a connecting portion; 12. a limiting groove; 13. a limiting guide rod; 14. a buffer spring; 15. sealing the cover; 16. fastening a nut; 17. a limiting clamping groove; 18. an elastic damping block; 19. a drill bit; 20. a top plate; 21. a telescopic cylinder; 22. a linear bearing; 23. a sharp positioning rod; 24. a tenon; 25. a first card slot; 26. a pressure spring; 27. a clamping block; 28. a second card slot; 29. a screw hole; 30. and (4) screws.

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.

Example 1: referring to fig. 1-4, the present invention provides a technical solution: the drilling device for the hard rock with good stability comprises a base 1, wherein a plurality of supporting legs 2 are fixed on the bottom surface of the base 1, four stand columns 3 are welded on the top surface of the base 1, a first mounting plate 4 and a second mounting plate 5 which can slide up and down are sleeved on the stand columns 3, a motor 7 is fixed on the bottom surface of the first mounting plate 4 through a support 6, an output shaft of the motor 7 is connected with a connecting shaft 8 through a coupler, the connecting shaft 8 penetrates through the second mounting plate 5, a square limiting plate 9 is arranged at the bottom end of the second mounting plate, the square limiting plate 9 is connected with a rock core pipe 10, a connecting portion 11 is arranged at the top end of the rock core pipe 10, a limiting groove 12 is arranged in the connecting portion 11, four limiting guide rods 13 are welded in the limiting groove 12, the square limiting plate 9 is provided with holes for the limiting guide rods 13 to penetrate through, a buffer spring 14 is sleeved on the limiting guide rods 13, a sealing cover 15 is arranged at the top end of the connecting portion 11, the limiting guide rods 13 are exposed out of the sealing cover 15, fastening nuts 16 are arranged on the top end of the connecting portion 11, a limiting guide rods 13 are provided with threads, fastening nuts 16 are arranged on the top end of the top plate, the square limiting groove 9 and a limiting groove 17, a top plate 20 is arranged on the connecting cylinder 20 fixed on the top plate, a top plate of a telescopic cylinder 20 fixed on the base 1, and a top plate, a top plate 20 cylinder is connected with a telescopic cylinder 20, and a top plate 20 fixed on the top plate 21; the device is moved to a rock to be drilled, the drilling device is fixed by extending a sharp positioning rod 23 into the ground, a motor 7 drives a connecting shaft 8 to rotate so as to drive a rock core tube 10 and a drill bit 19 to rotate, and then a telescopic cylinder 21 drives a first mounting plate 4 and the motor 7 to descend so as to drive the rock core tube 10 and the drill bit 19 to descend for drilling; because the elastic damping block 18 is arranged between the connecting shaft 8 and the core barrel 10, the pressure and the vibration on the core barrel 10 can be buffered and damped through the elastic damping block 18 and the buffer spring 14 in the process of transmitting the pressure and the vibration to the motor 7, so that the vibration to the motor 7 is effectively reduced, and the motor 7 is prevented from being damaged.

Specifically, the base 1 is provided with a hole for the core barrel 10 to penetrate through, and the hole is tightly attached to the outer wall of the core barrel 10; in this embodiment, the core barrel 10 can be thus limited, enhancing its stability.

Specifically, linear bearings 22 connected with the first mounting plate 4, the second mounting plate 5 and the upright post 3 in a sliding manner are mounted at the joints of the two mounting plates; in this embodiment, the first mounting plate 4 and the second mounting plate 5 are lifted and lowered more stably, and the precision is high.

Specifically, a support rod is fixed between the first mounting plate 4 and the second mounting plate 5; in this embodiment, it is convenient for the first mounting plate 4 to bring the second mounting plate 5 down as a whole.

Specifically, the bottom of each supporting leg 2 is provided with a sharp positioning rod 23; in this embodiment, it is convenient to secure the entire device by inserting the pointed positioning rod 23 into the ground.

Specifically, a bearing is installed between the second mounting plate 5 and the connecting shaft 8; in the embodiment, the fixing effect of the connecting shaft 8 is enhanced, and the extrusion of the connecting shaft 8 to the output shaft of the motor 7 is reduced.

Specifically, a mortise is arranged at the bottom end of the core barrel 10 along the inner wall in a circle, a tenon 24 matched with the mortise is arranged at the top end of the drill 19, a plurality of first clamping grooves 25 are arranged on the outer wall of the tenon 24, a pressure spring 26 and a clamping block 27 are arranged in the first clamping grooves 25, a second clamping groove 28 corresponding to the first clamping groove 25 is arranged at the bottom end of the core barrel 10, and a screw hole 29 penetrating through the second clamping groove 28 is formed in the outer wall of the core barrel 10; in this embodiment, the clamping block 27 is clamped between the first clamping groove 25 and the second clamping groove 28, so that the drill bit 19 can be locked at the bottom of the core barrel 10, and therefore, the drill bit cannot be shaken off, and the rock core barrel is safer and more stable.

Specifically, the screw holes 29 are all provided with screws 30, and the tail ends of the screws 30 are not exposed out of the core barrel 10; in this embodiment, when the drill bit 19 needs to be replaced, the screw 30 is unscrewed, and the rod is inserted into the screw hole 29 to push back all the clamping blocks 27, so as to remove the drill bit 19.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The working principle is as follows: the device is moved to a rock to be drilled, the drilling device is fixed by extending a sharp positioning rod 23 into the ground, a motor 7 drives a connecting shaft 8 to rotate so as to drive a rock core tube 10 and a drill bit 19 to rotate, and then a telescopic cylinder 21 drives a first mounting plate 4 and the motor 7 to descend so as to drive the rock core tube 10 and the drill bit 19 to descend for drilling; because the elastic damping block 18 is arranged between the connecting shaft 8 and the core barrel 10, the pressure and the vibration on the core barrel 10 can be buffered and damped through the elastic damping block 18 and the buffer spring 14 in the process of transmitting the pressure and the vibration to the motor 7, so that the vibration to the motor 7 is effectively reduced, and the motor 7 is prevented from being damaged; meanwhile, the clamping block 27 is clamped between the first clamping groove 25 and the second clamping groove 28, the drill bit 19 can be locked at the bottom of the rock core tube 10, and therefore the drill bit 19 cannot be shaken off, the drill bit is safer and more stable, when the drill bit 19 needs to be replaced, the screw 30 is unscrewed, meanwhile, a rod piece is inserted into the screw hole 29 to jack back all the clamping blocks 27, and the drill bit 19 is taken down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling equipment for hard rock that stability is good, a serial communication port, including base (1), base (1) bottom surface is fixed with a plurality of supporting legs (2), base (1) top surface welding has four stand (3), the cover has gliding first mounting panel (4) and second mounting panel (5) from top to bottom on stand (3), first mounting panel (4) underrun support (6) are fixed with motor (7), motor (7) output shaft has connecting axle (8) through the coupling joint, connecting axle (8) run through second mounting panel (5), and the bottom is equipped with square limiting plate (9), square limiting plate (9) are connected with core pipe (10), core pipe (10) top is equipped with connecting portion (11), be equipped with spacing groove (12) in connecting portion (11), spacing groove (12) internal welding has four spacing guide arm (13), square limiting plate (9) are equipped with the confession hole that spacing guide arm (13) passed, the cover has buffer spring (14) on spacing guide arm (13), connecting portion (11) top is equipped with closing cap (15), spacing guide arm (13) expose threaded nut (15) and threaded connection portion (15) are equipped with spacing nut (11), spacing guide arm (9) and threaded connection portion (11) top, spacing nut (11) are equipped with relative closing cap (15), spacing guide arm (9), spacing nut (11) and threaded connection portion (11) are installed Draw-in groove (17), be equipped with elasticity snubber block (18) in spacing draw-in groove (17), core barrel (10) bottom is run through install detachable drill bit (19) behind base (1), stand (3) top is fixed with roof (20), be fixed with telescopic cylinder (21) on roof (20), telescopic cylinder (21) piston rod runs through roof (20) back fixed connection first mounting panel (4).

2. A hard rock drilling apparatus with good stability according to claim 1, wherein the base (1) is provided with a hole for the core barrel (10) to pass through, and the hole is tightly attached to the outer wall of the core barrel (10).

3. A drilling rig for hard rock with good stability according to claim 1, characterized in that the joints of the first mounting plate (4) and the second mounting plate (5) and the upright (3) are each provided with a linear bearing (22) slidably connected thereto.

4. A drilling rig for hard rock with good stability according to claim 1, characterized in that a support bar is fixed between the first mounting plate (4) and the second mounting plate (5).

5. A drill rig for hard rock with good stability according to claim 1, characterized in that the bottom of the supporting legs (2) are provided with a sharp positioning rod (23).

6. A drill rig for hard rock with good stability according to claim 1, characterized in that a bearing is arranged between the second mounting plate (5) and the connecting shaft (8).

7. The drilling device for the hard rock with good stability according to claim 1, wherein a mortise is arranged at the bottom end of the core barrel (10) along a circle of the inner wall, a tenon (24) matched with the mortise is arranged at the top end of the drill bit (19), a plurality of first clamping grooves (25) are formed in the outer wall of the tenon (24), a pressure spring (26) and a clamping block (27) are arranged in each first clamping groove (25), a second clamping groove (28) corresponding to each first clamping groove (25) is arranged at the bottom end of the core barrel (10), and a screw hole (29) penetrating through each second clamping groove (28) is formed in the outer wall of the core barrel (10).

8. A drill rig for hard rock with good stability according to claim 7, characterized in that the screw holes (29) are all provided with screws (30), and the ends of the screws (30) are not exposed out of the core barrel (10).