CN215672044U - Power head drilling machine for tiltable four-column drilling frame with large caliber and large torque - Google Patents

Abstract

The utility model relates to the technical field of power head engineering drilling machines, and discloses a power head drilling machine for a large-caliber large-torque tiltable four-column drilling rig, which comprises a power head, a mechanical arm, a chassis, a sealing disc, a drill bit, a drill rod crane, an oil cylinder and a mud pipe, wherein the chassis is provided with the four-column tiltable drilling rig, the four-column tiltable drilling rig is hinged on the chassis through a rotating shaft, the power head is installed on the four-column tiltable drilling rig, the mechanical arm is installed on the side of the drilling machine through a rotary support, the sealing disc is installed on the chassis and positioned on one side of the chassis, one end of the oil cylinder is hinged on the four-column tiltable drilling rig through a bolt, the other end of the oil cylinder is hinged on the chassis through another bolt, and the oil cylinder can enable the four-column tiltable drilling rig to rotate and tilt around the rotating shaft hinged on the chassis. The utility model solves the problems of heavy weight, poor rigidity and complex replacement of the drill bit and the drill rod of the existing integral mechanism.

Description

Power head drilling machine for tiltable four-column drilling frame with large caliber and large torque

Technical Field

The utility model relates to the technical field of power head engineering drillers, in particular to a power head driller which is used for a large-caliber large-torque tiltable four-upright-column drilling frame.

Background

The existing power head drilling machines for large caliber and large torque have two types, one type is a tiltable two-upright-column drilling-frame power head drilling machine, the two upright-column drilling frames need to be tilted in order to replace a drill bit and assemble and disassemble a drill rod, under the working condition of large caliber and large torque, the two upright-column drilling frames have poor rigidity, the drilling frames vibrate violently during working, the noise is large, and the tilting and fixing of the drilling frames are troublesome; the other type is a power head drilling machine with a four-upright drill rig capable of translating, the four-upright drill rig is adopted, the four-upright drill rig has good rigidity under the working condition of large caliber and large torque, and the four-upright drill rig needs to integrally translate to avoid a door drill bit for replacing the drill bit, so that a chassis of the drilling machine needs to be manufactured to be long, and the structure is large and heavy.

The drilling machines with the two structures have the defects of heavy overall structure, poor rigidity, complex replacement of a drill bit and a drill rod and the like under the working conditions of large caliber and large torque; accordingly, there is currently a need for a powerhead drill design for large caliber and large torque.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power head drilling machine for a large-caliber large-torque tiltable four-upright-column drilling rig, which solves the problems of heavy weight, poor rigidity and complex replacement of a drill bit and a drill rod of the conventional integral mechanism.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a unit head rig that is used for four stand drill rigs of tilting of heavy-calibre large-torque, includes unit head, arm, chassis, seals dish, drill bit, drilling rod loop wheel machine, hydro-cylinder and mud pipe, be provided with four post tilting drill rigs on the chassis, four post tilting drill rigs articulate on the chassis through the rotation axis, the unit head is installed on four post tilting drill rigs, the arm supports through the gyration and installs at the rig avris, seal the dish and install the one side that lies in the chassis on the chassis, drilling rod loop wheel machine fixed mounting lies in the opposite side on the chassis, the hydro-cylinder articulates on four post tilting drill rigs through bolt one end, and the other end articulates on the chassis through another bolt, the hydro-cylinder can carry out the rotation slope with four post tilting drill rigs round the rotation axis that articulates on the chassis.

Preferably, the drill bit is in threaded connection with the upper part of the drill rod through a connecting bolt, and the drill rod is mounted on the sealing plate through a special connecting assembly and is fixed and in threaded connection with the power head through a bolt.

Preferably, the mud discharging pipe is fixedly arranged on the outer side of the four-column tiltable drilling rig, and the power head is provided with an air sealing device and a mud sealing device.

Preferably, the sludge discharge pipe adopts a telescopic structure and can be vertically stretched, and the fixed end of the sludge discharge pipe is arranged in the structure of the four-column tiltable drilling rig in a concealed mode.

Preferably, the mud discharging pipe is made of a high-strength steel pipe.

Preferably, the air sealing device and the slurry sealing device on the power head are separately arranged, the slurry sealing device is arranged at the top of the power head, a positive sealing mode and a negative sealing mode are adopted, a drainage port is formed, and the air sealing device is arranged at a short connecting pipe at the lower part of the power head.

The utility model provides a power head drilling machine for a large-caliber large-torque tiltable four-column drilling rig. The method has the following beneficial effects:

(1) when the power head drilling machine of the large-caliber large-torque tiltable four-column drilling rig is used for replacing a drill bit, the drill bit can be conveniently placed in a drilling well and fixed on the sealing plate only by tilting the drilling rig through the oil cylinder without translating the drilling rig, when the drill rod is disassembled and assembled, the drill rod is placed on the mechanical arm only through the drill rod crane, the mechanical arm can directly convey the drill rod to a drill rod mounting position, the mud discharge pipe adopts a telescopic steel pipe and a built-in design, the defects of large vibration noise, easiness in damage and the like of the traditional external design of a hose are overcome, and the space is saved.

(2) Compared with the prior art, the floating support device has the advantages that damage to the mud seal can be found in time, a series of damages that mud flows into the gas seal and the power head after the mud seal is damaged are avoided, the dismounting and maintenance are convenient, the maintenance cost is reduced, and the maintenance efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a large-caliber high-torque tiltable four-column drill rig power head drill according to the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 1;

fig. 4 is a schematic view of the installation of the drill head and drill rods with the rig tilted.

In the figure: 1. a power head; 2. a mechanical arm; 3. the four-column tiltable drill rig; 4. a chassis; 5. sealing the disc; 6. a drill bit; 7. a drill stem; 8. a drill pipe crane; 9. an oil cylinder; 10. a sludge discharge pipe; 11. a gas seal device; 12. a slurry sealing device; 13. and (4) rotating and supporting.

Detailed Description

As shown in fig. 1 to 4, the present invention provides a technical solution: a power head drilling machine for a large-caliber large-torque tiltable four-column drilling rig comprises a power head 1, a mechanical arm 2, a chassis 4, a sealing plate 5, a drilling bit 6, a drilling rod 7, a drilling rod crane 8, an oil cylinder 9 and a mud pipe 10, wherein the chassis 4 is provided with the four-column tiltable drilling rig 3, the four-column tiltable drilling rig 3 is hinged on the chassis 4 through a rotating shaft, the power head 1 is arranged on the four-column tiltable drilling rig 3, the mechanical arm 2 is arranged on the side of the drilling machine through a rotary support 13, the sealing plate 5 is arranged on the chassis 4 and is positioned on one side of the chassis 4, the drilling rod crane 8 is fixedly arranged on the chassis 4 and is positioned on the other side of the chassis 4, one end of the oil cylinder 9 is hinged on the four-column tiltable drilling rig 3 through a bolt, the other end of the oil cylinder is hinged on the chassis 4 through another bolt, the drilling bit 6 is in threaded connection with the upper part of the drilling rod 7 through a connecting bolt, the drilling rod 7 is arranged on the sealing plate 5 through a special connecting assembly and is fixed and is in threaded connection with the power head 1 through a bolt, the mud pipe 10 is fixedly arranged on the outer side of the four-column tiltable drilling frame 3, the mud pipe 10 is made of a high-strength steel pipe, the steel pipe can be strong in rigidity, long in service life, not easy to damage and high in working efficiency, the mud pipe 10 adopts a telescopic structure which can be stretched up and down, when in use, the telescopic structure can be stretched up and down along with the use requirement, the fixed end of the mud pipe 10 is arranged in the structure of the four-column tiltable drilling frame 3 in a concealed mode, the design can save external space, an air sealing device 11 and a mud sealing device 12 are arranged on the power head 1, the air sealing device 11 and the mud sealing device 12 on the power head 1 are separately arranged, the mud sealing device 12 is arranged at the top of the power head 1, a positive and negative sealing mode is adopted, a flow discharge port is arranged, the use condition of mud sealing is convenient to observe, and the air sealing pipe 11 is arranged at a short position below the power head 1, compared with the prior art, the device has the advantages of convenience in maintenance, reduction in maintenance cost and improvement in maintenance efficiency. The oil cylinder 9 can rotate and incline the four-column inclinable drill frame 3 around a rotating shaft hinged on the chassis, and the inclinable design greatly improves the efficiency of replacing components and the working efficiency.

When the power head drilling machine with the four tiltable columns and the large caliber and the large torque is installed and used, an assembly consisting of the drill bit 6 and the drill rod 7 can be installed on the sealing plate 5 only by rotating and tilting the four tiltable drilling frames 3 around a rotating shaft through the oil cylinder 9, and the four tiltable drilling frames 3 do not need to be integrally translated on the chassis 4 for a large distance, so that the integral volume of the chassis 4 is saved, and the assembly of the drill bit 6 is convenient to install; when the four-column tiltable drilling rig is used, after a drill rod 7 is hoisted by a drill rod hoist 8, an electro-hydraulic cylinder on the mechanical arm 2 opens a caliper to clamp the drill rod 7, a slewing bearing rotates to drive the mechanical arm 2 to rotate, the drill rod 7 is conveyed to the lower part of the power head 1, the power head 1 is lowered at the moment, the drill rod 7 for extension can be connected, and the time for installing the drill rod 7 is saved; the mud discharging pipe 10 is a steel pipe and has strong rigidity, wherein the mud discharging pipe 10 on the outer side of the four-column tiltable drill frame 3 adopts a telescopic structure and can be vertically telescopic along with the use requirement; the other part adopts a built-in type and is arranged in the structure of the four-column tiltable drill frame 3, so that the external space is saved; the gas seal device 11 and the mud seal device 12 on the power head 1 are arranged separately, the mud seal device 12 is arranged at the top of the power head 1, a positive sealing mode and a negative sealing mode are adopted, a drainage port is formed, the use condition of mud seal can be observed conveniently, the gas seal device 11 is arranged at a short connecting pipe at the lower part of the power head 1, and compared with the prior art, the gas seal device has the advantage of convenience in maintenance, the maintenance cost is reduced, and the maintenance efficiency is improved.

Those not described in detail in this specification are within the skill of the art. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.

Claims (6)

1. The utility model provides a unit head rig that is used for four stand rigs of tilting of heavy-calibre heavy-torque, includes unit head (1), arm (2), chassis (4), seals dish (5), drill bit (6), drilling rod (7), drilling rod loop wheel machine (8), hydro-cylinder (9) and mud pipe (10), its characterized in that: be provided with four post tilting rig (3) on chassis (4), four post tilting rig (3) articulate on chassis (4) through the rotation axis, install on four post tilting rig (3) unit head (1), arm (2) support through the gyration (13) and install at the rig avris, seal dish (5) and install the one side that lies in chassis (4) on chassis (4), drilling rod loop wheel machine (8) fixed mounting lies in the opposite side of chassis (4) on chassis (4), hydro-cylinder (9) articulate on four post tilting rig (3) through bolt one end, and the other end articulates on chassis (4) through another bolt, hydro-cylinder (9) can carry out rotatory slope with four post tilting rig (3) round the rotation axis that articulates on chassis (4).

2. The power head drill for a large caliber large torque tiltable four-column drill rig as claimed in claim 1, wherein: drill bit (6) with pass through connecting bolt threaded connection between drilling rod (7) upper portion, drilling rod (7) install seal dish (5) through special coupling assembling on fixed and with unit head (1) pass through bolt threaded connection.

3. The power head drill for a large caliber large torque tiltable four-column drill rig as claimed in claim 1, wherein: the mud discharging pipe (10) is fixedly installed on the outer side of the four-column tiltable drilling rig (3), and the power head (1) is provided with an air sealing device (11) and a mud sealing device (12).

4. A power head drill for a large caliber high torque tiltable four column drill rig as in claim 3 wherein: the mud pipe (10) adopts a telescopic structure and can be stretched up and down, and the fixed end of the mud pipe (10) is arranged in the structure of the four-column tiltable drilling rig (3) in a concealed mode.

5. A power head drill for a large caliber high torque tiltable four column drill rig as in claim 3 wherein: the sludge discharge pipe (10) is made of a high-strength steel pipe.

6. A power head drill for a large caliber high torque tiltable four column drill rig as in claim 3 wherein: the gas seal device (11) and the slurry seal device (12) on the power head (1) are arranged separately, the slurry seal device (12) is arranged at the top of the power head (1) and adopts a positive and negative sealing mode, a drainage port is arranged, and the gas seal device (11) is arranged at a short connecting pipe at the lower part of the power head (1).

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