CN217582041U

CN217582041U - Cylinder type drill bit for rotary drilling rig

Info

Publication number: CN217582041U
Application number: CN202221243086.7U
Authority: CN
Inventors: 王会涛; 董峻豪; 王忠民; 辛秦红; 郝雪健
Original assignee: Shandong Jinkan Rock Soil Engineering Co ltd
Current assignee: Shandong Jinkan Rock Soil Engineering Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-14
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the technical field of rotary drilling rigs, and discloses a cylinder type drill bit for a rotary drilling rig, which comprises a drill bit cylinder body, wherein a drill bit blade is welded at the bottom of the drill bit cylinder body, a mounting box is bolted at the top of the drill bit cylinder body, a connecting block is welded at the top of the mounting box, an internal thread is arranged on the surface of the connecting block, a movable plate is slidably connected inside the mounting box, a motor is fixed above the back of the mounting box, and the front end of an output shaft of the motor runs through the inside of the mounting box and is bolted with a rotary rod; the utility model discloses a setting of fly leaf, motor, rotary rod, cam, telescopic link, spring, lifter and vibrations piece for this drill bit can be through vibrations, and automatic discharge its inside accumulational earth alleviates when staff's work burden, has still improved cleaning efficiency, provides convenience for the staff, has solved the inconvenient problem of clearing up to its inside accumulational clod of current cylinder drill bit.

Description

Cylinder type drill bit for rotary drilling rig

Technical Field

The utility model relates to a dig rig technical field soon, specifically be a dig barrel drill bit for rig soon.

Background

The rotary digging machine is also called a rotary drilling rig and a pile driver. The rotary drilling machine is a comprehensive drilling machine, can be used for various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.

At present when the rig uses the cylinder drill bit to drill the operation soon, the bottom of cylinder drill bit is open and sets up, and then leads to the drill bit to use the completion back, and a large amount of earth and stones are piled up easily to its inside, and for the convenience use next time, the staff still needs use tools to dig out accumulational earth in with the drill bit after work finishes, has increased staff's the amount of labour, and cleaning efficiency is lower moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder drill bit for rotary drilling rig, it can discharge its inside accumulational earth automatically through vibrations, when having alleviateed staff's work burden, has still improved cleaning efficiency, provides convenience for the staff.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dig cylinder drill bit for rig soon, includes the drill bit barrel, the bottom welding of drill bit barrel has the drill bit blade, the top bolt of drill bit barrel has the mounting box, the top welding of mounting box has the connecting block, and the surface of connecting block is provided with the internal thread, the inside sliding connection of mounting box has the fly leaf, the top at the mounting box back is fixed with the motor, and the front end of motor output shaft runs through to the inside of mounting box and has bolted the bull stick, the front end of bull stick rotates with the inner wall of mounting box to be connected, the equal fixedly connected with cam in front and back on bull stick surface, the equal bolt in front and back at fly leaf top has the striking plate, and has seted up the spout at the top of striking plate, the inner wall sliding connection of cam and spout, the bottom bolt of mounting box inner wall has the telescopic link, and the surperficial cover of telescopic link is equipped with the spring, the upper and lower both ends of spring respectively with the inner wall fixed connection of fly leaf and mounting box, the bottom bolt of fly leaf has the lifter, the bottom of drill bit lifter runs through to the inside of barrel and sliding connection with the barrel between the shock absorber, the surface welding of lifter has a plurality of shock absorber.

Preferably, guide grooves are formed in two sides of the inner wall of the mounting box, guide blocks are bolted to two sides of the movable plate, and the guide blocks are located inside the guide grooves and are in sliding connection with the inner wall of the guide grooves.

Preferably, the number of the telescopic rods is a plurality, and the telescopic rods are uniformly distributed on the front side and the rear side of the bottom of the inner wall of the mounting box.

Preferably, the lifting rod is bolted with a ground breaking plate at one end far away from the movable plate, and the bottom of the ground breaking plate is arranged in a shuttle shape.

Preferably, the vibration pieces are uniformly distributed on two sides of the surface of the lifting rod from top to bottom, the vibration pieces are arranged in a diamond shape, and the vibration pieces are made of hard alloy.

Preferably, a connecting flange is fixed below the surface of the connecting block, the bottom of the connecting flange is fixed with the mounting box, and mounting holes are formed in four sides of the surface of the connecting flange.

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

the utility model discloses a setting of fly leaf, motor, rotary rod, cam, telescopic link, spring, lifter and vibrations piece for this drill bit can be through vibrations, and automatic with its inside accumulational earth discharge, when having alleviateed staff's work burden, still improved cleaning efficiency, provide convenience for the staff, solved the inconvenient problem of clearing up to its inside accumulational mud piece of current cylinder drill bit.

Drawings

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

FIG. 2 is a cross-sectional view of the drill bit body of the present invention;

fig. 3 is a cross-sectional view of the mounting box of the present invention;

fig. 4 is a cross-sectional view of the mounting box of the present invention.

In the figure: 1. a drill bit barrel; 2. a drill bit blade; 3. mounting a box; 4. connecting blocks; 5. a movable plate; 6. a motor; 7. rotating the rod; 8. a cam; 9. an impact plate; 10. a chute; 11. a telescopic rod; 12. a spring; 13. a lifting rod; 14. a vibration sheet; 15. a guide groove; 16. a guide block; 17. a ground breaking plate; 18. a connecting flange; 19. and (7) mounting holes.

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.

Referring to fig. 1-4, a cylindrical drill bit for a rotary drilling rig comprises a drill bit cylinder 1, a drill bit blade 2 welded at the bottom of the drill bit cylinder 1, a mounting box 3 bolted at the top of the drill bit cylinder 1, a connecting block 4 welded at the top of the mounting box 3, an internal thread arranged on the surface of the connecting block 4, a movable plate 5 slidably connected inside the mounting box 3, a motor 6 fixed above the back of the mounting box 3, a rotary rod 7 bolted at the front end of the output shaft of the motor 6 penetrating the inside of the mounting box 3, a cam 8 rotatably connected with the inner wall of the mounting box 3 at the front and rear of the surface of the rotary rod 7, a strike plate 9 bolted at the front and rear of the top of the movable plate 5, a chute 10 arranged at the top of the strike plate 9, a telescopic rod 11 bolted at the bottom of the inner wall of the mounting box 3, a cam 8 slidably connected with the inner wall of the chute 10, the surface of the telescopic rod 11 is sleeved with a spring 12, the upper end and the lower end of the spring 12 are respectively fixedly connected with the movable plate 5 and the inner wall of the mounting box 3, the number of the telescopic rods 11 is a plurality, and the telescopic rods are uniformly distributed on the front side and the rear side of the bottom of the inner wall of the mounting box 3, the number of the telescopic rods 11 and the number of the springs 12 are increased, so that the movable plate 5 can be quickly pushed back to the original position after the movable plate 5 is pushed to the lower side by the cam 8, the bottom of the movable plate 5 is bolted with a lifting rod 13, the bottom of the lifting rod 13 penetrates into the drill bit barrel 1 and is in sliding connection with the drill bit barrel 1, the surface of the lifting rod 13 is welded with a plurality of vibration sheets 14, the vibration sheets 14 are uniformly distributed on the two sides of the surface of the lifting rod 13 from top to bottom, the vibration sheets 14 are arranged in a diamond shape, the material of the vibration sheets 14 is hard alloy, the strength of the vibration sheets 14 is increased, and the vibration sheets are not easy to break, the convenience is in earth activity to discharge earth from the drill bit, the utility model discloses a fly leaf 5, motor 6, rotary rod 7, cam 8, telescopic link 11, spring 12, lifter 13 and vibrations piece 14's setting for this drill bit can be through vibrations, discharges its inside accumulational earth automatically, when having alleviateed staff's work burden, has still improved cleaning efficiency, provides convenience for staff, has solved the problem that current cylinder drill bit is inconvenient to clear up its inside accumulational mud piece.

Guide slot 15 has all been seted up to the both sides of mounting box 3 inner wall, and the both sides of fly leaf 5 all are bolted connection to have a guide block 16, and guide block 16 is located the inside of guide slot 15 and with the inner wall sliding connection of guide slot 15, when the fly leaf 5 that the cam 8 rotated to promote the below moves about, can lead to fly leaf 5, makes fly leaf 5 only can reciprocate, stability when improving the vibrations clearance.

The one end bolt of the one end of lifter 13 of keeping away from fly leaf 5 has broken ground board 17, and the bottom of broken ground board 17 is fusiformis setting, makes things convenient for lifter 13 to reciprocate about the inside of earth, improves earth clearance speed.

A connecting flange 18 is fixed below the surface of the connecting block 4, the bottom of the connecting flange 18 is fixed with the mounting box 3, and mounting holes 19 are formed in four sides of the surface of the connecting flange 18, so that after the connecting block 4 is connected with a drilling machine, the drill bit can be reinforced again, and the stability during drilling is improved.

The working principle is as follows: after the rotary drilling rig finishes drilling, a worker detaches the drill bit from the bottom of the drilling rig, then the drill bit is lifted by using lifting equipment, then the worker opens the motor 6, an output shaft of the motor 6 drives the rotating rod 7 to start rotating, the cam 8 rotates to push the movable plate 5 to move downwards and extrude the spring 12, the lifting rod 13 moves downwards, the spring 12 rebounds to push the movable plate 5 back to the original position, the lifting rod 13 vibrates up and down in a reciprocating mode along with the rotation of the cam 8, mud blocks accumulated in the drill bit barrel body 1 move towards an outlet at the bottom of the barrel body under the vibration, after a large number of mud blocks accumulated in the barrel body fall out, the worker closes the motor 6, and therefore the cleaning operation of the mud blocks in the drill bit is finished.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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 cylinder drill bit for rotary drilling rig, includes drill bit barrel (1), its characterized in that: the welding of the bottom of drill bit barrel (1) has drill bit blade (2), the top bolt of drill bit barrel (1) has mounting box (3), the top welding of mounting box (3) has connecting block (4), and the surface of connecting block (4) is provided with the internal thread, the inside sliding connection of mounting box (3) has fly leaf (5), the top at the mounting box (3) back is fixed with motor (6), and the front end of motor (6) output shaft runs through to the inside of mounting box (3) and bolt has revolving rod (7), the front end of revolving rod (7) is connected with the inner wall rotation of mounting box (3), the equal fixedly connected with cam (8) in front and back on rotating rod (7) surface, the equal bolt in front and back at fly leaf (5) top has striking plate (9), and striking plate (9)'s top has seted up spout (10), the inner wall sliding connection of cam (8) and spout (10), the bottom bolt of mounting box (3) inner wall has telescopic link (11), and the cover of spring (11) has the surface and the spring (12) the bottom of fly leaf (12) and fly leaf spring bolt is connected with the inner wall of fly leaf (5) and lift pole (13) and the bottom of mounting box (3) and lift pole (13) respectively the telescopic link (13), the inner wall bolt is connected with the bottom of fly leaf (5) and the inner wall of mounting box (13) and the inner wall (13) of drill bit barrel (3) is connected The drill bit barrels (1) are connected in a sliding mode, and a plurality of vibration sheets (14) are welded on the surface of the lifting rod (13).

2. The barrel type drill bit for the rotary drilling rig according to claim 1, wherein: guide grooves (15) are formed in two sides of the inner wall of the mounting box (3), guide blocks (16) are bolted to two sides of the movable plate (5), and the guide blocks (16) are located inside the guide grooves (15) and are in sliding connection with the inner wall of the guide grooves (15).

3. The barrel type drill bit for the rotary drilling rig according to claim 1, wherein: the number of the telescopic rods (11) is a plurality, and the telescopic rods are uniformly distributed on the front side and the rear side of the bottom of the inner wall of the mounting box (3).

4. The barrel type drill bit for the rotary drilling rig according to claim 1, characterized in that: one end of the lifting rod (13) far away from the movable plate (5) is bolted with a ground breaking plate (17), and the bottom of the ground breaking plate (17) is arranged in a shuttle shape.

5. The barrel type drill bit for the rotary drilling rig according to claim 1, wherein: the vibration pieces (14) are evenly distributed on two sides of the surface of the lifting rod (13) from top to bottom, the vibration pieces (14) are arranged in a diamond shape, and the vibration pieces (14) are made of hard alloy.

6. The barrel type drill bit for the rotary drilling rig according to claim 1, wherein: a connecting flange (18) is fixed below the surface of the connecting block (4), the bottom of the connecting flange (18) is fixed with the mounting box (3), and mounting holes (19) are formed in the four sides of the surface of the connecting flange (18).