CN104141455A - Drilling rig equipment and drilling rig drilling method - Google Patents

Abstract

The drilling rig equipment comprises a full rotary drilling device and a rotary drilling device. The full rotary drill device comprises a sleeve, wherein the inner surface of the sleeve is provided with a first clamping part. The rotary drilling device comprises a drilling tool, and the outer side surface of the drilling tool is provided with a second clamping part matched with the first clamping part. The drilling tool and the casing are coaxially arranged, and the drilling tool is arranged in the casing through the matching of the second clamping part and the first clamping part. The drilling machine disclosed by the invention is simple in structure and convenient to operate, combines the advantages of a rotary drilling machine and a full-rotation drilling machine, and is high in construction efficiency. The invention also relates to a drilling method of the drilling machine.

Description

Drilling rig equipment and drilling rig drilling method

technical field

The invention relates to the field of engineering machinery, in particular to a drilling rig equipment and a drilling rig drilling method.

Background technique

In recent years, with the rapid development of the domestic economy, the urban construction and redevelopment projects of large and medium-sized cities, the reconstruction of old urban areas, subway tunnels, underground enclosure structures, bridge reconstruction and expansion projects, etc. Pile foundation hole-forming equipment such as rotary drilling rigs are used for pile foundation construction.

A rotary drilling rig usually includes a main engine, a mast, a power head, a drill pipe and a drilling tool. Among them, the engine system, hoisting device, hydraulic system, control device and traveling device can be set on the main engine. The bottom of the mast is pivotally connected to the main machine, so that the mast can be opened to a roughly vertical state during construction of the rotary drilling rig, or folded onto the main machine when the machine is stopped. The power head is set on the mast and is connected with the main engine through a pressurized oil cylinder or a pressurized hoisting wire rope. The drill pipe is connected with the power head through the key sleeve to rotate under the drive of the power head. The drilling tool is installed at the bottom of the drill pipe and can be driven by the drill pipe for drilling operations. Drilling tools are, for example, pick buckets, pick barrel drills, roller cone drills, and auger drills, which are used for spinning drilling and breaking hard rock. Rotary drilling rigs are mainly suitable for the construction of sandy soil, cohesive soil, silty soil and other soil layers. It is convenient to take soil, but it is limited by its rock breaking method when a large area of bedrock is hard rock or super hard rock formation. It is high-pressure grinding or shear crushing and the torque of the power head is insufficient, and the drilling efficiency is low at this time.

A full-turn drilling rig usually includes a main engine, a power station, casing and auxiliary tools, etc. The casing is set on the working device of the main engine through the casing clamping device, and a drilling tool is installed at the end of the casing. The hydraulic components on the working device are connected, and the hydraulic components drive the casing clamping device to drive the casing to rotate, perform cutting and drilling, and control the rising or falling of the casing, and at the same time use auxiliary tools to remove cuttings such as soil and rocks in the casing . After lowering the casing, the full-turn drilling rig can remove or replace the structure inside the casing without damaging the surrounding soil. The full-turn drilling rig has the characteristics of large output torque and high drilling efficiency, and is suitable for quicksand and karst caves. Construction under various complex geological conditions, such as rock formations, old piles, etc., but the full-rotary drilling rig cannot take soil. To take soil, it must cooperate with paving tools such as multi-head claws to take out the soil in the casing, and the soil taking efficiency is low.

Therefore, in the current construction projects, the rotary drilling rig is mainly used for construction on the clay layer due to the convenience of soil extraction; the full-rotary drilling rig is mainly used for lowering the casing due to its large torque and high drilling efficiency, and can also be used for construction in the rock layer. However, at present, only two kinds of equipment, the rotary drilling rig and the full-rotary drilling rig, can be constructed separately, and it is difficult to give full play to their advantages.

Contents of the invention

The object of the present invention is to provide a drilling rig equipment, which has a simple structure and is easy to operate, combines the advantages of a rotary drilling rig and a full-rotation drilling rig, and has high construction efficiency.

Another object of the present invention is to provide a method for drilling with a drilling rig, which can effectively improve the construction efficiency by utilizing the drilling equipment that combines the advantages of the rotary drilling rig and the full-rotation drilling rig.

The present invention solves the technical problem by adopting the following technical solutions.

A drilling rig equipment includes a full rotary drilling device and a rotary drilling device. The azimuth drilling device includes a casing, and the inner surface of the casing has a first engaging portion. The rotary drilling device includes a drilling tool, and the outer surface of the drilling tool has a second engaging part matched with the first engaging part. The drilling tool is arranged coaxially with the casing, and the drilling tool is arranged in the casing through the cooperation of the second engaging part and the first engaging part.

In a preferred embodiment of the present invention, the above-mentioned sleeve has opposite first ends and second ends, and the first engaging portion of the sleeve is disposed on the inner surface of the first end of the sleeve. The drilling tool includes a main body, the main body has opposite first end and second end, and the second engaging part is arranged on the outer surface of the first end of the main body.

In a preferred embodiment of the present invention, the above-mentioned first engaging portion includes a plurality of first grooves, and the plurality of first grooves are distributed at intervals around the central axis of the sleeve, and the length direction of each first groove is aligned with the length of the sleeve. The central axis is parallel. The second engaging part includes a plurality of first key bars, which are distributed around the central axis of the drilling tool at intervals, and are correspondingly engaged with a plurality of first grooves, and the length direction of each first key bar is in line with the The central axis of the drilling tool is parallel.

In a preferred embodiment of the present invention, the inner surface of the first end of the sleeve is provided with a plurality of second key bars, and the plurality of second key bars are distributed around the central axis of the sleeve at intervals, and every two adjacent second key bars A first groove is formed between the bars.

In a preferred embodiment of the present invention, the above-mentioned drilling tool further includes a connection part, and the connection part is connected to the first end part of the main body part.

In a preferred embodiment of the present invention, the above-mentioned drilling tool further includes a fixing part, and the fixing part surrounds an end connected to the connecting part away from the first end of the main body part. Each first key bar extends along the length direction and is connected to the outer surface of the fixing part.

In a preferred embodiment of the present invention, the first end of the sleeve is provided with a plurality of through holes passing through the outer surface and the inner surface of the sleeve. A plurality of drill bits are distributed around the central axis of the casing at the second end of the casing.

In a preferred embodiment of the present invention, the second end of the main body of the above-mentioned drill is provided with a plurality of drill teeth distributed around the central axis of the drill.

In a preferred embodiment of the present invention, the drilling tool further includes a plurality of slag guide holes passing through the outer surface and the inner surface of the drill tool, and the plurality of slag guide holes are located between the first end and the second end.

A method of drilling with a drilling rig. Firstly, the above-mentioned drilling equipment is provided, and then the casing is driven to rotate and drill by using a full-rotary drilling device, and the casing is driven by the cooperation of the first engaging part of the casing and the second engaging part of the drilling tool. Drive the drilling tool to rotate and drill, then use the rotary drilling device to drive the drilling tool to move along the axial direction of the casing, and release the cooperation between the first engaging part of the casing and the second engaging part of the drilling tool to remove the muck take out.

In the drilling rig equipment and drilling rig drilling method of the present invention, since the drilling rig equipment includes a rotary drilling device and a rotary drilling device, the first engaging part of the casing of the full rotary drilling device and the second clamping part of the drilling tool of the rotary drilling device are used. The joint parts cooperate to set the drilling tool coaxially in the casing, and the casing provides large torque transmission to the drilling tool for rapid drilling, and then uses the rotary drilling device to quickly take out the muck in the drilling tool. The rotary drilling device and the whole The work of the two devices of the rotary drilling device is seamlessly connected, which effectively utilizes the advantages of the two devices and improves the construction efficiency.

The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the contents of the description, and in order to make the above-mentioned drilling equipment and drilling method of the present invention and other purposes and features The advantages and advantages can be more obvious and understandable. The preferred embodiments will be described in detail below with accompanying drawings.

Description of drawings

Fig. 1 is a schematic diagram of a partial structure of a drilling rig according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a casing of a fully rotary drilling device according to an embodiment of the present invention.

Fig. 3 is a schematic top view of the casing shown in Fig. 2 .

Fig. 4 is a sectional view of the bushing shown in Fig. 2 along line IV-IV.

Fig. 5 is a structural schematic diagram of a drilling tool of a rotary drilling device according to an embodiment of the present invention.

Fig. 6 is a top structural schematic view of the drilling tool shown in Fig. 5 .

Fig. 7 is a sectional view of the drilling tool shown in Fig. 5 along line VII-VII.

Detailed ways

In order to further explain the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, and features of the drilling equipment and drilling method proposed in the present invention will be described below. and its effects are described in detail as follows:

The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of specific implementation methods, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the present invention limit.

Fig. 1 is a partial sectional structural schematic diagram of a drilling rig equipment according to an embodiment of the present invention. Referring to FIG. 1 , a drilling rig 1 includes an azimuth drilling device 10 and a rotary drilling device 20 . For simplicity of illustration, FIG. 1 only depicts the main engine 11 and casing 100 of the azimuth drilling device 10 , and only the drilling tool 200 , drill pipe 21 , power head 22 and mast 23 of the rotary drilling device 20 . The casing 100 is arranged on the main engine 11 of the azimuth drilling device 10, and the main engine 11 can drive the casing 100 to rotate and drill. The inner surface 104 of the sleeve 100 is provided with a first engaging portion 110 . The outer surface 203a of the drilling tool 200 is provided with a second engaging portion 210 that cooperates with the first engaging portion 110. The drilling tool 200 is coaxially arranged with the casing 100, and the drilling tool 200 is connected to the first engaging portion 210 through the second engaging portion 210. The joint portion 110 is fitted in the casing 100 . The drilling tool 200 is connected with the drill pipe 21 , and the drill pipe 21 is connected with the power head 22 to move axially along the casing 100 driven by the power head 22 , thereby driving the drilling tool 200 to move axially along the casing 100 . The power head 22 is connected to the mast 23, and the mast 23 is pivotally connected to the main machine (not shown) of the rotary drilling device 20, so that the mast 23 is opened to a substantially vertical state or folded onto the main machine.

Fig. 2 is a schematic structural view of a casing of a fully rotary drilling device according to an embodiment of the present invention. Fig. 3 is a schematic top view of the casing shown in Fig. 2 . Fig. 4 is a cross-sectional view of the bushing shown in Fig. 2 along line IV-IV. 2, 3 and 4, the sleeve 100 has an opposite first end 101 and a second end 102, the first end 101 of the sleeve 100 is provided with an outer surface 103 and an inner surface 104 passing through the sleeve 100 There are a plurality of through holes 105, and the through holes 105 can be used for laying auxiliary tools such as steel wire ropes to facilitate the hoisting machinery to lift or lower the casing 100. A stepped portion 106 surrounding the outer surface 103 is also provided on the outer surface 103 of the first end 101 of the sleeve 100 . A plurality of drill bits 107 are distributed around the central axis (not shown) of the casing 100 at the second end 102 of the casing 100 . As shown in FIGS. 3 and 4 , a first engaging portion 110 is disposed on the inner surface 104 of the sleeve 100 . The first engaging portion 110 is, for example, a groove, but not limited thereto. In this embodiment, the inner surface 104 of the sleeve 100 is provided with a plurality of second key bars 111 distributed around the central axis of the sleeve 100 at intervals and protruding toward the inside of the sleeve 100, preferably, a plurality of second key bars 111 111 are evenly distributed around the central axis of the sleeve 100, the length direction of each second key bar 111 is parallel to the central axis direction of the sleeve 100, and a first concave line is formed between every two adjacent second key bars 111. Groove 112. That is, in this embodiment, the first engaging portion 110 includes a plurality of first grooves 112, and the plurality of first grooves 112 are evenly spaced around the central axis of the sleeve 100, and the length of each first groove 112 is The direction is parallel to the central axis of the bushing 100 . The first groove 112 is used to cooperate with the second engaging portion 210 of the drilling tool 200 to clamp the drilling tool 200 in the casing 100 . It is worth mentioning that the first engaging portion 110 of the casing 100 is used to limit the rotation of the drilling tool 200 in the casing 100 relative to the casing 100 in the axial direction, but it does not limit the relative rotation of the drilling tool 200 in the The casing 100 moves up and down in the axial direction.

Fig. 5 is a structural schematic diagram of a drilling tool of a rotary drilling device according to an embodiment of the present invention. Fig. 6 is a top structural schematic view of the drilling tool shown in Fig. 5 . Fig. 7 is a sectional view of the drilling tool shown in Fig. 5 along line VII-VII. Referring to FIG. 5 , FIG. 6 and FIG. 7 , in this embodiment, the drilling tool 200 is a barrel drill such as a pick barrel drill, but it is not limited thereto. The drill 200 includes a main body portion 204 and a connection portion 205 . The main body portion 204 is substantially cylindrical and has a first end portion 201 and a second end portion 202 opposite to each other. The first end portion 201 of the main body portion 204 of the drilling tool 200 is connected to the connecting portion 205 , and the connecting portion 205 is used to connect the drilling tool 200 to the drill rod 21 of the rotary drilling device 20 . A plurality of drill teeth 206 are disposed on the second end portion 202 of the main body portion 204 of the drill tool 200 around the central axis (not shown) of the drill tool 200 . Between the first end 201 and the second end 202 of the drilling tool 200 (that is, the middle position), there are also a plurality of slag guide holes 207 penetrating through the outer surface 203a and the inner surface 203b of the drilling tool 200 .

The outer surface 203a of the first end portion 201 of the drilling tool 200 is also provided with a second engaging portion 210 that cooperates with the first engaging portion 110, and the second engaging portion is, for example, a key bar correspondingly engaging with the groove. In this embodiment, the second engaging part 210 includes a plurality of first key strips 211, and the plurality of first key strips 211 are evenly spaced around the central axis of the drilling tool 200, and are aligned with the plurality of first grooves of the bushing 100. 112 are correspondingly engaged, and the length direction of each first key bar 211 is parallel to the central axis of the drilling tool 200 . In this embodiment, the drilling tool 200 further includes a fixing part 212 , which is substantially circular and surrounds the end connected to the connecting part 205 away from the first end part 201 of the drilling tool 200 . The first key bar 211 is extended and connected to the outer surface 212a of the fixed part 212, that is, one end of the first key bar 211 is connected to the outer surface 203a of the first end 201 of the drilling tool 200, and the other end of the first key bar 211 is connected to on the outer surface 212 a of the fixing portion 212 .

In this embodiment, the first engaging part 110 of the bushing 100 has six first grooves 112, and the second engaging part 210 of the drill 200 has three first key bars 211. The three first key strips 211 of the second engaging portion 210 are engaged in the corresponding spaced three first grooves 112 in the first engaging portion 110 of the sleeve 100, the first engaging portion 110 and the second engaging portion 210 cooperates to clamp the drilling tool 200 in the casing 100 to limit the axial rotation of the drilling tool 200 relative to the casing 100. The drilling tool 200 can be driven by the drill pipe 21 under the drive of the power head 22 of the rotary drilling device 20. The tool 200 is fixed in position in the axial direction inside the casing 100 .

The following will further describe the drilling method of the mid-drilling rig using the drilling rig equipment according to an embodiment of the present invention.

First, the drilling rig equipment 1 is fixed at the working position where drilling is to be performed, the casing 100 is placed on the working device of the main engine 11 of the full rotary drilling device 10, and the drilling tool 200 of the rotary drilling device 20 is passed through the second engagement. The portion 210 cooperates with the first engaging portion 110 of the casing 100 , and enables the drilling tool 200 of the rotary drilling device 20 to be disposed at a predetermined position along the axial direction in the casing 100 .

Secondly, the full-rotation drilling device 10 is used to drive the casing 100 to rotate and drill. During the drilling process of the casing 100, the cooperation between the first engaging part 110 of the casing 100 and the second engaging part 210 of the drilling tool 200 The casing 100 further drives the drilling tool 200 to rotate and drill.

Then, after drilling for a period of time, use the rotary drilling device 20 to drive the drilling tool 200 to move upward along the axial direction of the casing 100 by lifting the drill rod 21, and release the first engaging part 110 of the casing 100 from the drilling tool 200. Cooperate with the second engaging part 210 of the drill tool 200 to carry out the work of taking out the muck.

After the removal of the muck is completed, the drilling tool 200 is set in the casing 100 so that the first engaging part 110 of the casing 100 and the second engaging part 210 of the drilling tool 200 cooperate, and then the drilling operation is repeated .

During the drilling process of the full-rotary drilling device 10 driving the casing 100, the full-rotary drilling device 10 provides high torque transmission to the drilling tool 200 through the casing 100 for drilling work, which can make the drilling tool 200 of the rotary drilling device 20 To achieve the purpose of fast drilling, the rotary drilling device can be used to quickly remove the muck in the drilling tool 200. The rotary drilling device 20 and the full-rotary drilling device 10 work seamlessly, effectively utilizing the full-rotary drilling device. The advantages of the drilling device 10 and the rotary drilling device 20 improve the construction efficiency.

The drilling rig equipment and drilling rig drilling method provided by the present invention have been described in detail above. The principles and implementation methods of the present invention have been explained by using specific examples in this paper. The descriptions of the above embodiments are only used to help understand the method of the present invention. and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and scope of application. limits.

Claims (10)

1. a drilling equipment, it is characterized in that, it comprises that full circle swinging boring device digs boring device with revolving, this full circle swinging boring device comprises sleeve pipe, the inner surface of this sleeve pipe has the first holding section, this revolves and digs boring device and comprise drilling tool, and the outer surface of this drilling tool has the second holding section coordinating with this first holding section, and this drilling tool is equipped with in this sleeve pipe by this second holding section and this first holding section with the coaxial setting of this sleeve pipe and this drilling tool.

2. drilling equipment as claimed in claim 1, it is characterized in that, this sleeve pipe has relative first end and the second end, this of this sleeve pipe the first holding section is arranged on this inner surface of this first end of this sleeve pipe, this drilling tool comprises main part, this main part has relative first end and the second end, and this second holding section is arranged on this outer surface of this first end of this main part.

3. drilling equipment as claimed in claim 2, it is characterized in that, this first holding section comprises many first grooves, these many first grooves are spaced apart around the axis of this sleeve pipe, the length direction of each this first groove is parallel with this axis of this sleeve pipe, this second holding section comprises many first key bars, these many first key bars are spaced apart around the axis of this drilling tool, and with the corresponding engaging of these many first grooves, the length direction of each this first key bar is parallel with this axis of this drilling tool.

4. drilling equipment as claimed in claim 3, it is characterized in that, this inner surface of this first end of this sleeve pipe is provided with many second key bars, and these many second key bars are spaced apart around this axis of this sleeve pipe, between every adjacent two these the second key bars, forms this first groove.

5. drilling equipment as claimed in claim 2, is characterized in that, this drilling tool also comprises connecting portion, and this connecting portion is connected in this first end of this main part.

6. drilling equipment as claimed in claim 5, it is characterized in that, this drilling tool also comprises fixed part, and this fixed part is around being connected to this connecting portion one end away from this first end of this main part, and respectively this first key bar extends the external surface that is connected to this fixed part along its length.

7. drilling equipment as claimed in claim 2, is characterized in that, this first end of this sleeve pipe is provided with and connects the external surface of this sleeve pipe and a plurality of through holes of this inner surface, and this of this sleeve pipe the second end is provided with a plurality of brill cutter heads around the axis distribution of this sleeve pipe.

8. drilling equipment as claimed in claim 2, is characterized in that, this second end of this main part of this drilling tool is provided with a plurality of brill teeth around the axis distribution of this drilling tool.

9. drilling equipment as claimed in claim 2, is characterized in that, this drilling tool also comprises and connect this outer surface of this drilling tool and a plurality of cinder holes of leading of inner surface, and the plurality of cinder hole of leading is between this first end and this second end.

10. a rig drilling method, is characterized in that, the method comprises:

Drilling equipment as described in claim 1-9 any one is provided;

Utilize this full circle swinging boring device to drive this sleeve rotating to creep into, and by this first holding section of this sleeve pipe and coordinating by this sleeve pipe of this second holding section of this drilling tool driving this drilling tool rotary drilling; And

Utilize this to revolve and dig boring device and drive this drilling tool along the moving axially of this sleeve pipe, and remove coordinating of this first holding section of this sleeve pipe and this second holding section of this drilling tool, to carry out dregs taking-up.