CN213573891U - Rotary drilling rig - Google Patents
Rotary drilling rig Download PDFInfo
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- CN213573891U CN213573891U CN202022520853.1U CN202022520853U CN213573891U CN 213573891 U CN213573891 U CN 213573891U CN 202022520853 U CN202022520853 U CN 202022520853U CN 213573891 U CN213573891 U CN 213573891U
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Abstract
A rotary drilling rig comprises a chassis, a carriage, a mast, a down-the-hole hammer, a power head, a drill rod, a high-pressure air source and a winding device, wherein the high-pressure air source conveys high-pressure air to the down-the-hole hammer through an air pipe; the winding device comprises a winding disc, a rotary joint is arranged at the upper end of the drill rod, the rotary part of the rotary joint rotates along with the drill rod, the fixed part of the rotary joint is fixedly connected with the mast, the air pipe comprises a winding section and a rotary section, one end of the rotary section is connected with the rotary part of the rotary joint, the other end of the rotary section is connected with the down-the-hole hammer, one end of the winding section is connected with the fixed part of the rotary joint, the other end of the winding section is wound behind the winding disc and is connected with a high-pressure air source, and the winding section is communicated. The in-process is bored under the down-the-hole hammer, and the winding dish is followed and is emitted the tuber pipe, makes the length of tuber pipe can match the degree of depth that the down-the-hole hammer bored under, so, the down-the-hole hammer just can not stop the work of stopping a rest on a journey, to digging darker stake hole, the utility model discloses can improve the operating efficiency to reduce construction cost.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool and specifically relates to a dig rig soon.
Background
The rotary drilling rig in the prior art comprises a chassis, an upper vehicle 1 arranged on the chassis, a mast arranged on the upper vehicle, a power head arranged on the mast, a drill rod and the like, wherein one end of the drill rod is hung on a main hoisting steel wire rope, and the other end of the drill rod is connected with a drilling tool.
The rotary drilling rig in the prior art has the following defects: the rotary drilling rig in the prior art is difficult to drill by means of the existing functions under the condition of meeting hard rock layers and rock blocks, and particularly is difficult to drill when the uniaxial compressive strength of the rock layers is greater than 100 MPa. The rotary drilling rig in the prior art can only forcibly break rock by means of torque of the power head and downward pressurizing force under the condition of meeting hard rock, and forcibly enters the rock by means of the existing functions, so that the whole machine can be violently rocked, and the service life of the whole machine is seriously damaged. However, in the prior art, the power head of the rotary drilling rig is limited by the structure and can only work together with a lock type drill rod (or a friction rod) and a drilling bucket. The conventional working device with the power head provided with the drill rod and the drill bucket has a wide application range, has high construction efficiency on geology such as clay layers, sand layers, strongly weathered rock layers and the like, and is particularly difficult to drill when meeting hard rock layers such as weakly weathered rock layers, slightly weathered rock layers and the like (the strength of rocks is not less than 5 MPa), the drilling tool is seriously abraded, the service life of a cutting tool is extremely short, the construction efficiency is extremely low, and the damage to a host machine is very large. The rotary drilling rig comprises a chassis, an upper vehicle (10), a mast (90) arranged on the upper vehicle (10), a down-the-hole hammer power head (40) and a down-the-hole hammer (20), wherein the down-the-hole hammer power head (40) is arranged on the mast (90) and moves up and down relative to the mast (90), the down-the-hole hammer power head (40) comprises a power box (43), the power box (43) comprises a box body and a rotary hub which is positioned in the box body and outputs rotary power, and the rotary hub is in driving connection with the down-the-hole hammer (20). The rotary drilling rig increases the down-the-hole hammer function, enlarges the construction capacity of the rotary drilling rig, and particularly when a hard rock layer is met, the down-the-hole hammer function of the rotary drilling rig can be used for chiseling the hard rock layer, so that the rotary drilling rig can drill the hard rock layer, and the capacity of the rotary drilling rig to drill the hard rock layer is greatly improved. After the down-the-hole hammer is added to the rotary drilling rig, a high-pressure air source and an air pipe need to be matched, the existing air pipe cannot be extended, the length of the air pipe cannot be matched in the down-the-hole hammer drilling process, some air pipes adopt telescopic air pipes, and the sealing performance of the telescopic air pipes is poor.
Disclosure of Invention
The utility model aims to solve the technical problem that a dig rig soon is provided, solve the unable extension of current tuber pipe and match the technical problem that the down-the-hole hammer bored.
In order to solve the technical problem, the technical scheme of the utility model is that: a rotary drilling rig comprises a chassis, a loading vehicle, a mast arranged on the loading vehicle, a down-the-hole hammer, a power head used for driving the down-the-hole hammer to rotate, a drill rod and a high-pressure air source, wherein the power head can move up and down along the mast, and the high-pressure air source conveys high-pressure air to the down-the-hole hammer through an air pipe; still include the wind, the wind includes the winding dish, the upper end of drilling rod is equipped with rotary joint, and rotary joint's rotating part is followed the drilling rod and is rotated, and rotary joint's fixed part is connected fixedly with the mast, the tuber pipe includes winding section and rotation section, and the one end of rotation section is connected with rotary joint's rotating part, and the other end and the down-the-hole hammer of rotation section are connected, and the one end of winding section is connected with rotary joint's fixed part, and the other end winding of winding section is connected with high pressurized air source behind the winding dish, and the winding section communicates with each other through rotary joint with the rotation section. The utility model winds the wind pipe on the winding disc, can accommodate the wind pipe, and avoids the overlong wind pipe from influencing the construction; the in-process is bored under the down-the-hole hammer, and the winding dish is followed and is emitted the tuber pipe, makes the length of tuber pipe can match the degree of depth that the down-the-hole hammer bored under, so, the down-the-hole hammer just can not stop the work of stopping a rest on a journey, to digging darker stake hole, the utility model discloses can improve the operating efficiency to reduce construction cost.
As an improvement, the winding device is arranged on the upper vehicle or on the ground.
As an improvement, the winding device also comprises a driving mechanism for driving the winding disc to rotate.
As an improvement, the length of the air pipe is not less than the drilling depth of the down-the-hole hammer.
The utility model discloses rotary drilling rig's construction method: and in the down-the-hole hammer drilling process, the winding disc discharges the wound air pipe and the length of the air pipe is adapted to the down-the-hole hammer drilling depth.
Compared with the prior art, the utility model the beneficial effect who brings is:
the utility model winds the wind pipe on the winding disc, can accommodate the wind pipe, and avoids the overlong wind pipe from influencing the construction; the in-process is bored under the down-the-hole hammer, and the winding dish is followed and is emitted the tuber pipe, makes the length of tuber pipe can match the degree of depth that the down-the-hole hammer bored under, so, the down-the-hole hammer just can not stop the work of stopping a rest on a journey, to digging darker stake hole, the utility model discloses can improve the operating efficiency to reduce construction cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the construction state diagram of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the rotary drilling rig comprises a chassis, an upper vehicle 1, a mast 2 arranged on the upper vehicle 1, a down-the-hole hammer 5, a power head 4 for driving the down-the-hole hammer 5 to rotate, a drill rod, a high-pressure air source 8 and a winding device 7. The hoisting steel wire of the rotary drilling rig is connected with the power head 4, and the power head 4 and the down-the-hole hammer 5 move up and down along the mast 2 by controlling the hoisting steel wire, so that the down-the-hole hammer 5 can be deeply dug. The high-pressure air source 8 is used for conveying high-pressure air to the down-the-hole hammer 5 through the air pipe 3, and the high-pressure air source 8 of the embodiment is composed of an air compressor and an air storage tank and is generally placed on the ground.
As shown in fig. 1 and 2, the winding device 7 includes a winding disc and a driving mechanism for driving the winding disc to rotate; the winding disc of the embodiment is arranged on the upper vehicle 1 and integrated with the rotary drilling rig together, so that the whole movement is convenient; the upper end of drilling rod is equipped with rotary joint 6, and rotary joint 6's rotating part follows the drilling rod rotation, and rotary joint 6's fixed part is connected fixedly with mast 2, tuber pipe 3 is including winding section 31 and rotating segment 32, and the one end of rotating segment 32 is connected with rotating joint 6's rotating part, and the other end of rotating segment 32 is connected with down-the-hole hammer 5, and the one end of winding section 31 is connected with rotating joint 6's fixed part, and the other end winding of winding section 31 is connected with high-pressure air source 8 behind the winding dish, and winding section 31 communicates with each other through rotating joint 6 with rotating segment 32. A set of pulley block specially used for air pipe guiding can be arranged at the top of the mast 2, and one end of the branch pipe is connected with the rotary joint 6 after bypassing the pulley block.
The utility model winds the wind pipe 3 on the winding disc, can accommodate the wind pipe 3 and avoid the wind pipe 3 with overlong length from influencing construction; the in-process of boring down in the down-the-hole hammer 5, the winding dish is followed and is emitted tuber pipe 3, makes the degree of depth that the length of tuber pipe 3 can match down-the-hole hammer 5 and bore down, so, the work that the down-the-hole hammer 5 just can not stop stopping the rest is to digging deeper stake hole, the utility model discloses can improve the operating efficiency to reduce construction cost.
Claims (4)
1. A rotary drilling rig comprises a chassis, a loading vehicle, a mast arranged on the loading vehicle, a down-the-hole hammer, a power head used for driving the down-the-hole hammer to rotate, a drill rod and a high-pressure air source, wherein the power head can move up and down along the mast, and the high-pressure air source conveys high-pressure air to the down-the-hole hammer through an air pipe; the method is characterized in that: still include the wind, the wind includes the winding dish, the upper end of drilling rod is equipped with rotary joint, and rotary joint's rotating part is followed the drilling rod and is rotated, and rotary joint's fixed part is connected fixedly with the mast, the tuber pipe includes winding section and rotation section, and the one end of rotation section is connected with rotary joint's rotating part, and the other end and the down-the-hole hammer of rotation section are connected, and the one end of winding section is connected with rotary joint's fixed part, and the other end winding of winding section is connected with high pressurized air source behind the winding dish, and the winding section communicates with each other through rotary joint with the rotation section.
2. The rotary drilling rig according to claim 1, wherein: the winding device is arranged on the upper vehicle or on the ground.
3. The rotary drilling rig according to claim 1, wherein: the winding device also comprises a driving mechanism for driving the winding disc to rotate.
4. The rotary drilling rig according to claim 1, wherein: the length of the air pipe is not less than the drilling depth of the down-the-hole hammer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520853.1U CN213573891U (en) | 2020-11-04 | 2020-11-04 | Rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520853.1U CN213573891U (en) | 2020-11-04 | 2020-11-04 | Rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213573891U true CN213573891U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022520853.1U Active CN213573891U (en) | 2020-11-04 | 2020-11-04 | Rotary drilling rig |
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| CN (1) | CN213573891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196464A (en) * | 2020-11-04 | 2021-01-08 | 清远中科振宇机械有限公司 | Rotary drilling rig and construction method thereof |
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2020
- 2020-11-04 CN CN202022520853.1U patent/CN213573891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196464A (en) * | 2020-11-04 | 2021-01-08 | 清远中科振宇机械有限公司 | Rotary drilling rig and construction method thereof |
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