CN211342783U

CN211342783U - Drill bit suitable for pile foundation construction drilling machine

Info

Publication number: CN211342783U
Application number: CN201922062583.1U
Authority: CN
Inventors: 张靖伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-25
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a drill bit suitable for pile foundation construction drilling machine, including fixed column and coupling hook, the coupling hook is installed to the upper end of fixed column, the fixed mouth is provided with to the inside near the upper end of fixed column, be provided with the fixed block on the right-hand member downside outer wall of fixed column, be provided with the rope handling hole on the outer wall near the upper end of fixed block, be provided with the taper block on the lower extreme outer wall of fixed block, be provided with the connecting block on the right-hand member outer wall of fixed block, through install the regulation percussion device additional in the drill bit, adjust the position of the impact beam of inside and make the lower terminal surface position of impact beam bulge in the lower terminal surface of drill bit, can make the impact force concentrate more when assaulting the rock layer and using, smash the rock layer more easily, adjust the position of impact beam back to the inside of fixed column after the rock layer is broken, go on, the impact effect of the drill bit is better by adjusting the position of the impact rod.

Description

Drill bit suitable for pile foundation construction drilling machine

Technical Field

The utility model belongs to the technical field of the construction machinery is relevant, concretely relates to drill bit suitable for pile foundation construction rig.

Background

The construction machine is a general name of mechanical equipment used for engineering construction and urban and rural construction, is also called as a construction machine and an engineering machine in China, and consists of various machines such as an excavating machine, a soil shoveling and transporting machine, a compacting machine, an engineering hoisting machine, a piling machine, a road surface machine, a concrete product machine, a steel bar grade prestressed machine, a decoration machine, an overhead working machine and the like, and the mechanization degree of construction is improved year by year along with the development of the construction industry.

The prior drill bit technology suitable for the pile foundation construction drilling machine has the following problems: when the construction drill bit impacts the rock layer, the rock layer is crushed by the lower end face by means of leaning on impact force and then cleaned, the impact force of the drill bit is not concentrated enough, and sometimes the rock layer is crushed by insufficient impact force and the drill bit is required to be used for multiple times for impact.

Disclosure of Invention

An object of the utility model is to provide a drill bit suitable for pile foundation construction rig to the drill bit that proposes among the above-mentioned background art impact force is not enough concentrated the problem that the effect of striking needs repetitious usage sometimes inadequately when striking the rock layer is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit suitable for a pile foundation construction drilling machine comprises a fixed column and a connecting hook, wherein the connecting hook is installed at the upper end of the fixed column, a fixed port is formed in the fixed column and close to the upper end, a fixed block is arranged on the outer wall of the lower side of the right end of the fixed column, a rope penetrating hole is formed in the outer wall of the fixed block and close to the upper end, a conical block is arranged on the outer wall of the lower end of the fixed block, a connecting block is arranged on the outer wall of the right end of the fixed block, a connecting piece is connected to the outer wall of the right end of the connecting block, an adjusting impact device is arranged on the outer wall of the lower side of the right end of the fixed column on the left side of the fixed block, an impact rod is arranged in the lower end of the fixed column, a connecting port is formed in the inner, the impact rod is fixedly connected with the fixed column through a fixed screw, a fixed sleeve is sleeved outside the other end of the fixed screw, and the fixed screw is fixedly connected with the fixed column through the fixed sleeve.

Preferably, two connecting ports are arranged in the impact rod, and the outer wall of the lower end of the impact rod and the conical block are on the same horizontal plane when the impact rod is fixed in the fixing column through the connecting port on the lower side.

Preferably, the outer wall of the right side of the front end of the fixing screw is provided with a fixing thread, and the fixing screw is fixedly connected with the fixing sleeve through the fixing thread.

Preferably, the inside fixed slot that is provided with of lower extreme of fixed column, the impact bar passes through fixed slot and fixed column fixed connection, the outer wall of impact bar and the inner wall of fixed slot can laminate completely.

Preferably, the outer wall of the lower end of the impact rod is in a smooth chamfer arc shape.

Preferably, the fixed blocks are four in number, the four fixed blocks are respectively arranged on the outer wall of the lower end of the fixed column at equal intervals, and the outer wall of the fixed block, close to the upper end, is provided with a rope threading hole.

Compared with the prior art, the utility model provides a drill bit suitable for pile foundation construction rig possesses following beneficial effect:

the utility model discloses an install the regulation percussion device additional in the inside of drill bit, adjust the position of inside impact rod and make the lower terminal surface position of impact rod protrusion in the lower terminal surface of drill bit, can make the impact force concentrate more when assaulting the rock layer and use, smash the rock layer more easily, adjust the position of impact rod back to the inside of fixed column after the rock layer is broken, go on further smashing through whole lower extreme face rock layer of drill bit, make the impact effect of drill bit better through adjusting the position of impact rod, concentrated impact force avoids needing the problem of strikeing many times because the rock layer is thicker, the lower extreme equidistance of drill bit is provided with the awl point, can further strengthen the effect of assaulting the rock layer, the fixed screw rod of fixed impact rod position is through cup jointing in the outside of fixed column, prevent that the atress is great fixed screw rod from coming off from the fixed column and causing danger in the impact, this novel drill bit suitable for pile foundation construction rig makes the crushing effect to the rock layer better through adjusting impact device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a drill bit suitable for a pile foundation construction drill provided by the utility model;

fig. 2 is a schematic view of the internal structure of the front side of a drill bit suitable for a pile foundation construction drill provided by the utility model;

fig. 3 is a schematic view of the internal structure of the side of a drill bit suitable for a pile foundation construction drill rig provided by the utility model;

fig. 4 is a schematic structural view of an impact adjusting device according to the present invention;

in the figure: 1. fixing a column; 2. a connecting hook; 3. a fixed port; 4. a stringing hole; 5. a fixed block; 6. connecting blocks; 7. connecting sheets; 8. adjusting the impact device; 9. a conical block; 10. fixing a sleeve; 11. fixing the screw rod; 12. a connecting port; 13. and (4) an impact rod.

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, the present invention provides a technical solution: a drill bit suitable for a pile foundation construction drilling machine comprises a fixed column 1 and connecting hooks 2, the connecting hooks 2 are installed at the upper end of the fixed column 1, a fixing port 3 is formed inside the fixed column 1 close to the upper end, fixing blocks 5 are arranged on the outer wall of the lower side of the right end of the fixed column 1, the fixing blocks 5 are four in number, the four fixing blocks 5 are respectively arranged on the outer wall of the lower end of the fixed column 1 at equal intervals, rope through holes 4 are formed in the outer walls of the four fixing blocks 5 close to the upper end, the weight impact force of the drill bit for weighting is stronger due to the plurality of fixing blocks 5, the contact surface of the fixing blocks 5 with a bottom rock layer is larger and more convenient to use, the rope through holes 4 are formed in the outer wall of the fixed block 5 close to the upper end, a conical block 9 is arranged on the outer wall of the lower end of the fixing block 5, a connecting block 6 is, the impact adjusting device 8 is provided with an impact rod 13, the outer wall of the lower end of the impact rod 13 is in a smooth chamfer arc shape, the arc outer wall is more concentrated than a plane contact surface, the impact effect is better, a fixed groove is arranged inside the lower end of a fixed column 1, the impact rod 13 is fixedly connected with the fixed column 1 through the fixed groove, the outer wall of the impact rod 13 can be completely attached to the inner wall of the fixed groove, the fixed column 1 and the impact rod 13 are completely attached together, the impact effect is prevented from being reduced due to gaps, the impact rod 13 is arranged inside the lower end of the fixed column 1, a connector 12 is arranged inside the impact rod 13 close to the lower end, a fixed thread is arranged on the outer wall of the right side of the front end of the fixed screw rod 11, the fixed screw rod 11 is fixedly connected with the fixed sleeve 10 through the fixed thread, the fixed sleeve 10 and the fixed screw rod 11, the inside of impact rod 13 is provided with two connectors 12 altogether, lower extreme outer wall and conical block 9 are at same horizontal plane when impact rod 13 passes through connector 12 of downside to be fixed inside fixed column 1, through fixing screw 11 in the position of impact rod 13 at the inside different connector 12 internal regulation of impact rod 13, the lower extreme outer wall and the conical block 9 of impact rod 13 can make whole lower extreme face strike the rock layer at same horizontal plane, be provided with fixing screw 11 on the left end outer wall of fixed column 1, fixing screw 11's the other end passes connector 12 and sets up the right side at fixed column 1, impact rod 13 passes through fixing screw 11 and fixed column 1 fixed connection, fixing sleeve 10 has been cup jointed to fixing screw 11's other end outside, fixing screw 11 is through fixed sleeve 10 and fixed column 1 fixed connection.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the drill bit of the utility model raises the heavy drill bit (impact hammer) with a blade to a certain height through the frame and the winch, the impact hammer cuts the broken rock stratum or impacts the soil layer to form a hole by the impact force of free falling, the impact cone type drill bit is lifted to a certain height to break the rock stratum by the impact force of free falling during the hole forming, when in use, the connecting hook 2 and the fixing port 3 at the upper end of the fixing column 1 are fixedly connected with the external frame and the winch, the fixing column 1 is raised to a certain height at the upper end of the drilled hole through the rope threading hole (4) and the external steel cable fixed connection, the fixing column 1 is put down to crush the rock stratum inside the drilled hole by gravity, when the rock stratum inside the drilled hole is thick and the drill bit is crushed for multiple times, the impact bar 13 inside the fixing column 1 is connected with the connecting port 12 at the upper side by the fixing screw rod 11, use impact rod 13 to smash the striking to the rock layer alone, after the rock layer was smashed, adjusted the position of impact rod 13 back to the original place through fixing screw 11 and further smashed the rock layer through fixed column 1, it can to draw downthehole dregs thick liquid to draw with drawing a dregs section of thick bamboo at last.

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 drill bit suitable for pile foundation construction drilling machine, includes fixed column (1) and coupling hook (2), its characterized in that: the upper end of the fixed column (1) is provided with a connecting hook (2), a fixed port (3) is arranged inside the fixed column (1) close to the upper end, a fixed block (5) is arranged on the outer wall of the lower side of the right end of the fixed column (1), a rope threading hole (4) is arranged on the outer wall of the fixed block (5) close to the upper end, a conical block (9) is arranged on the outer wall of the lower end of the fixed block (5), a connecting block (6) is arranged on the outer wall of the right end of the fixed block (5), a connecting sheet (7) is connected on the outer wall of the right end of the connecting block (6), an adjusting impact device (8) is arranged on the outer wall of the lower side of the right end of the fixed column (1) on the left side of the fixed block (5), an impact rod (13) is arranged on the adjusting impact device (8), the impact rod (13), the left end outer wall of the fixed column (1) is provided with a fixed screw (11), the other end of the fixed screw (11) penetrates through the connecting port (12) and is arranged on the right side of the fixed column (1), the impact rod (13) is fixedly connected with the fixed column (1) through the fixed screw (11), the other end of the fixed screw (11) is externally sleeved with a fixed sleeve (10), and the fixed screw (11) is fixedly connected with the fixed column (1) through the fixed sleeve (10).

2. The drill bit suitable for a pile foundation construction drill according to claim 1, wherein: the interior of the impact rod (13) is provided with two connecting ports (12), and the outer wall of the lower end of the impact rod (13) is on the same horizontal plane with the conical block (9) when the impact rod (13) is fixed inside the fixing column (1) through the connecting port (12) on the lower side.

3. The drill bit suitable for a pile foundation construction drill according to claim 1, wherein: the outer wall of the right side of the front end of the fixing screw rod (11) is provided with a fixing thread, and the fixing screw rod (11) is fixedly connected with the fixing sleeve (10) through the fixing thread.

4. The drill bit suitable for a pile foundation construction drill according to claim 1, wherein: the utility model discloses a fixing device for a vehicle, including fixed column (1), striking rod (13), outer wall and the inner wall of fixed slot of striking rod (13), the lower extreme inside of fixed column (1) is provided with the fixed slot, striking rod (13) passes through fixed slot and fixed column (1) fixed connection, the outer wall of striking rod (13) can laminate completely with the inner wall of fixed slot.

5. The drill bit suitable for a pile foundation construction drill according to claim 1, wherein: the outer wall of the lower end of the impact rod (13) is in a smooth chamfer arc shape.

6. The drill bit suitable for a pile foundation construction drill according to claim 1, wherein: the fixed block (5) are provided with four, four fixed block (5) equidistance respectively sets up on the lower extreme outer wall of fixed column (1), four all be provided with wire rope handling hole (4) on being close to the upper end outer wall of fixed block (5).