CN217028794U - Reverse circulation drill and reverse circulation pore-forming drilling machine system for reverse circulation pore-forming grouting pile - Google Patents
Reverse circulation drill and reverse circulation pore-forming drilling machine system for reverse circulation pore-forming grouting pile Download PDFInfo
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- CN217028794U CN217028794U CN202220926298.9U CN202220926298U CN217028794U CN 217028794 U CN217028794 U CN 217028794U CN 202220926298 U CN202220926298 U CN 202220926298U CN 217028794 U CN217028794 U CN 217028794U
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Abstract
The utility model provides a reverse circulation drill for a reverse circulation pore-forming grouting pile and a reverse circulation pore-forming drilling machine system, wherein the reverse circulation drill comprises a cylinder body, a partition plate, a transmission rod, a drilling disc and cutting teeth, an axially through flushing fluid channel is formed in the cylinder body, the partition plate is fixed in the cylinder body, one end of the transmission rod is fixed at the central position of the partition plate, the other end of the transmission rod extends outwards from the cylinder body, the drilling disc is fixed at the end part of the cylinder body, the drilling disc and the transmission rod are respectively arranged at two ends of the cylinder body, a plurality of rows of cutting teeth are arranged on the outer surface of the drilling disc for forward drilling and cutting rock stratum muck, a drilling slag mud cavity is formed among the cylinder body, the drilling disc and the partition plate, a discharge channel communicated with the drilling slag mud cavity is formed in the transmission rod, and the drilling disc is provided with a slurry suction channel communicated with the flushing fluid and the drilling slag mud cavity. The reverse circulation drill can avoid the complicated labor of taking out the muck, reduce the cost of the project, save the time and improve the efficiency.
Description
Technical Field
The utility model relates to the technical field of pile foundation construction equipment, in particular to a reverse circulation drill and a reverse circulation hole-forming drilling machine system for a reverse circulation hole-forming grouting pile.
Background
In the process of pile foundation construction, when piling operation is carried out on a rock-soil layer, the rock-soil is firstly cut up by the conventional drilling bucket, and then drilling slag is dug out and lifted to the ground.
A general reverse circulation hole-forming grouting pile drilling bucket is designed to be of a hollow structure, the tooth shaking operation is adopted, and the drilling bucket cannot be cut into pieces when meeting rock strata hardness, so that drilling slag is too large, and difficulty is brought to pumping of the drilling slag.
The original drilling bucket is not designed with a closed chamber partition, and the speed of conveying the drilling slag slurry to the ground by utilizing the action of air pressure or water pressure is slow.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a reverse circulation drill for a reverse circulation hole-forming grouting pile and a reverse circulation hole-forming drilling machine system, which can avoid the complex labor work of digging out dregs, reduce the cost of engineering, save time and improve the efficiency.
The technical scheme of the utility model is as follows:
the utility model provides a reverse circulation drill for a reverse circulation pore-forming grouting pile, which comprises a cylinder body, a partition plate, a transmission rod, a drilling disc and cutting teeth, wherein an axially through flushing fluid channel is formed in the cylinder body, the partition plate is fixed in the cylinder body, one end of the transmission rod is fixed at the central position of the partition plate, the other end of the transmission rod extends outwards from the cylinder body, the drilling disc is fixed at the end part of the cylinder body, the drilling disc and the transmission rod are respectively arranged at two ends of the cylinder body, the outer surface of the drilling disc is provided with a plurality of rows of cutting teeth, for drilling ahead and cutting rock stratum dregs, a dregs slurry cavity is formed among the cylinder body, the drilling disc and the clapboard, a discharge channel communicated with the dregs slurry cavity is formed in the transmission rod, the drilling disc is provided with a slurry suction channel communicated with the flushing fluid channel and the dregs slurry cavity, the cleaning liquid flowing into the flushing liquid channel and the drilling slag cut by the cutting teeth are stirred to form slurry, and then the slurry is sucked into the drilling slag slurry cavity and discharged out of the pile hole through the discharge channel.
Further, still include the roof, roof fixed connection is close to the one end of transfer line on the barrel and arranges with the baffle interval.
Furthermore, an opening is formed in the top plate corresponding to the flushing liquid channel.
Furthermore, a plurality of reinforcing ribs fixedly connected with the transmission rod are fixed on the upper surface of the top plate.
Further, the drilling disc is of a downward-protruding conical structure.
Furthermore, the toper structure includes at least two solid fixed rings and a plurality of tooth row, and the solid fixed ring that is located the outside is fixed in the barrel tip, and the remaining solid fixed rings that are located the inboard bulge downwards one by one and form the cone form and through a plurality of tooth row with the solid fixed ring fixed connection that is located the outside, form between two adjacent solid fixed rings and inhale the thick liquid passageway.
Furthermore, the flushing liquid channel is equipped with four, and four flushing liquid channel intervals evenly arrange in the barrel inner wall.
Furthermore, a connecting sleeve for connecting a drilling machine is arranged at one end, far away from the cylinder, of the transmission rod.
The utility model also provides a reverse circulation pore-forming drilling machine system which comprises a drill rod, a rotary disk, a conveying pipe and the reverse circulation drill for the reverse circulation pore-forming grouting pile, wherein one end of the drill rod is connected with the conveying rod through a connecting sleeve, the other end of the drill rod is connected to the outside of the pile hole through the conveying pipe so as to discharge slurry, and the rotary disk is arranged on the drill rod so as to drive the drill rod to rotate.
Furtherly, still including setting up the mud sedimentation tank outside the stake hole, be equipped with the overflow plate in the mud sedimentation tank and separate into two parts with the mud sedimentation tank, the mud of the output of conveyer pipe is stored in the mud sedimentation tank and is lain in one side space of overflow plate to the upper strata liquid that supplies to deposit back mud spills over to the opposite side space of overflow plate through the overflow plate and forms the washing liquid that pours into the stake hole into.
The utility model has the beneficial effects that:
the reverse circulation drill for the reverse circulation pore-forming grouting pile is characterized in that a barrel, a partition plate, a transmission rod, a drilling disc and cutting teeth are matched, a flushing fluid channel in the barrel and an annular flushing channel between the barrel and a pile hole can guide a flushing fluid at the top end of the barrel to the cutting teeth at the bottom end, so that the flushing fluid and the drilling slag cut by the cutting teeth are mixed and stirred to form slurry convenient to flow and suck, the slurry is sucked into a drilling slag slurry cavity through a slurry sucking channel for temporary storage, a flushing fluid sucking channel is formed by a discharging channel and the drilling slag slurry cavity to divide a closed chamber, and the section of an inflow channel of the drilling slag slurry cavity is much larger than that of the discharging channel, so that the drilling slag slurry can be quickly conveyed out of the pile hole through the action of air pressure or water pressure. Therefore, the tedious labor of digging out the muck is avoided, the cost is reduced for the project, the time is saved, and the drilling efficiency is improved.
Preferred embodiments of the present invention and their advantageous effects will be described in further detail with reference to specific embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings there is shown in the drawings,
FIG. 1 is a schematic cross-sectional view of a reverse circulation drill for a reverse circulation hole-forming grouting pile according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a reference diagram illustrating the use of the reverse circulation hole-forming drill system of the present invention.
The reference numbers illustrate: the device comprises a cylinder body 1, a partition plate 2, a transmission rod 3, a drilling disc 4, a cutting pick 5, a flushing liquid channel 11, a drilling slag and mud cavity 12, a discharge channel 31, a mud sucking channel 41, a top plate 6, a reinforcing rib 7, a fixing ring 42, a tooth row 43, a connecting sleeve 8, a drill rod 101, a rotating disc 102, a conveying pipe 103, a mud sedimentation tank 104 and an overflow plate 105.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1 and 2, the present invention provides a reverse circulation drill for a reverse circulation hole-forming grouting pile, including a cylinder 1, a partition plate 2, a transmission rod 3, a drilling disc 4 and a cutting pick 5. An axially through-going flushing-liquid channel 11 is formed in the cylinder 1. The partition plate 2 is fixed in the cylinder body 1, one end of the transmission rod 3 is fixed at the center of the partition plate, and the other end of the transmission rod extends out of the cylinder body 1. The drilling disc 4 is fixed at the end part of the cylinder body 1, and the drilling disc 4 and the transmission rod 3 are respectively arranged at two ends of the cylinder body 1. The outer surface of the drilling disc 4 is provided with a plurality of rows of cutting teeth 5 for advancing drilling and cutting rock formation slag. A drilling slag mud cavity 12 is formed among the cylinder body 1, the drilling disc 4 and the partition board 2, a discharge channel 31 communicated with the drilling slag mud cavity 12 is formed in the transmission rod 3, the drilling disc 4 is provided with a slurry suction channel 41 communicated with the flushing fluid channel 11 and the drilling slag mud cavity 12, so that cleaning fluid flowing in from the flushing fluid channel 11 and drilling slag cut by the cutting teeth 5 are stirred to form slurry, and then the slurry is sucked into the drilling slag mud cavity 12 and discharged out of a pile hole through the discharge channel 31.
The reverse circulation drill for the reverse circulation pore-forming grouting pile is characterized in that a cylinder body 1, a partition plate 2, a transmission rod 3, a drilling disc 4 and cutting teeth 5 are matched, a washing liquid channel 11 in the cylinder body 1 and an annular washing channel between the cylinder body 1 and a pile hole can guide a washing liquid at the top end of the cylinder body 1 to the cutting teeth 5 at the bottom end, the washing liquid and the drilling slag cut by the cutting teeth 5 are mixed and stirred to form slurry convenient to flow and suck, the slurry is sucked into a drilling slag slurry cavity 12 through a slurry sucking channel 41 for temporary storage, a washing liquid sucking channel is formed by a discharging channel 31 and the drilling slag slurry cavity 12 to divide a closed chamber, and the section of an inflow channel of the drilling slag slurry cavity 12 is much larger than that of the discharging channel 31, so that the drilling slag slurry can be quickly conveyed out of the pile hole through the action of air pressure or water pressure. Therefore, the tedious labor of digging out the muck is avoided, the cost of the project is reduced, the time is saved, and the drilling efficiency is improved.
In the embodiment of the utility model, the reverse circulation drill for the reverse circulation pore-forming grouting pile further comprises a top plate 6, the top plate 6 is fixedly connected to one end, close to the transmission rod 3, of the barrel 1 and is arranged at intervals with the partition plate 2, an opening is formed in the position, corresponding to the flushing liquid channel 11, of the top plate 6, and a plurality of reinforcing ribs 7 fixedly connected with the transmission rod 3 are fixed on the upper surface of the top plate 6. Therefore, the fixed connection between the cylinder body 1 and the transmission rod 3 is facilitated, and the connection strength is improved.
In the present embodiment, the drilling disk 4 is a downwardly convex conical structure. The cone-shaped structure comprises at least two fixing rings 42 and a plurality of tooth rows 43, the fixing ring 42 positioned on the outer side is fixed at the end part of the barrel body 1, and the other fixing rings 42 positioned on the inner side are protruded downwards one by one to form a cone shape and are fixedly connected with the fixing ring 42 positioned on the outer side through the plurality of tooth rows 43. A slurry suction passage 41 is formed between adjacent two of the fixing rings 42. The conical structure formed by the connection of the fixing ring 42 and the tooth row 43 has the advantages of simple structure and easy manufacture and formation of the pulp suction passage 41.
In this embodiment, the axial height of the flushing-liquid channel 11 is 755 mm. An alternative range is 700 to 800 mm. Preferably, there are four flushing liquid channels 11, and the four flushing liquid channels 11 are uniformly arranged on the inner wall of the barrel 1 at intervals. It is understood that the number of the washing liquid passages 11 is not limited to four, and may be one or more, as long as the water can be guided from the top end to the bottom end of the cylinder 1.
In the embodiment, a connecting sleeve 8 for connecting with a drilling machine is arranged at one end of the transmission rod 3, which is far away from the cylinder body 1, and the connecting sleeve 8 can be a snap ring or a flange.
Referring to fig. 3, the present invention further provides a reverse circulation hole-forming drilling machine system, which comprises the reverse circulation drill for the reverse circulation hole-forming grouting pile, a drill rod 101, a rotating disc 102 and a delivery pipe 103, wherein one end of the drill rod 101 is connected with the transmission rod 3 through a connecting sleeve 8, and the other end of the drill rod is connected to the outside of the pile hole through the delivery pipe 103, so as to discharge slurry. Rotary disc 102 is mounted on drill pipe 101 for driving drill pipe 101 in rotation.
In this embodiment, reverse circulation pore-forming drilling machine system is still including setting up the mud sedimentation tank 104 outside the stake hole, is equipped with overflow plate 105 in the mud sedimentation tank 104 and separates into two parts with mud sedimentation tank 104, and the mud of the output of conveyer pipe 103 is stored and is located overflow plate 105's one side space in mud sedimentation tank 104 to the upper strata liquid that supplies mud after the sediment spills over to the opposite side space formation of overflow plate 105 and pours into the downthehole flush fluid of stake into through overflow plate 105. Therefore, the water liquid of the slurry is recycled to repeatedly wash the inner wall of the pile hole, the sewage discharge is reduced, and the consumption of water resources is saved.
The embodiments in the present specification are all described in a progressive manner, and some of the embodiments are mainly described as different from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reverse circulation drill for a reverse circulation pore-forming grouting pile is characterized by comprising a barrel body (1), a partition plate (2), a transmission rod (3), a drilling disc (4) and cutting teeth (5), wherein a flushing fluid channel (11) which is axially communicated is formed in the barrel body (1), the partition plate (2) is fixed in the barrel body (1), one end of the transmission rod (3) is fixed at the central position of the partition plate, the other end of the transmission rod extends out of the barrel body (1), the drilling disc (4) is fixed at the end part of the barrel body (1), the drilling disc (4) and the transmission rod (3) are respectively arranged at two ends of the barrel body (1), a plurality of rows of cutting teeth (5) are arranged on the outer surface of the drilling disc (4) for forward drilling and cutting rock stratum slag, a drilling slag slurry cavity (12) is formed among the barrel body (1), the drilling disc (4) and the partition plate (2), a discharge channel (31) communicated with the drilling slag slurry cavity (12) is formed in the transmission rod (3), the drilling disc (4) is provided with a slurry suction passage (41) which is communicated with the flushing liquid passage (11) and the drilling slag slurry cavity (12) so as to stir the cleaning liquid flowing in from the flushing liquid passage (11) and the drilling slag cut by the cutting teeth (5) into slurry, suck the slurry into the drilling slag slurry cavity (12) and discharge the slurry out of the pile hole through the discharge passage (31).
2. The reverse circulation drill for the reverse circulation hole-forming grouting pile according to claim 1, further comprising a top plate (6), wherein the top plate (6) is fixedly connected to one end, close to the transmission rod (3), of the barrel (1) and is arranged at intervals with the partition plate (2).
3. A reverse circulation drill for a reverse circulation hole-forming grouting pile according to claim 2, characterized in that an opening is arranged on the top plate (6) corresponding to the flushing liquid channel (11).
4. A reverse circulation drill for a reverse circulation hole-forming grouting pile according to claim 2, characterized in that a plurality of reinforcing ribs (7) fixedly connected with the driving rod (3) are fixed on the upper surface of the top plate (6).
5. A reverse circulation drill for a reverse circulation hole-forming grouting pile according to claim 1, characterized in that the drilling disc (4) is of a downward-protruding conical structure.
6. A reverse circulation drill for a reverse circulation hole-forming grouting pile according to claim 5, characterized in that the conical structure comprises at least two fixing rings (42) and a plurality of tooth rows (43), the fixing ring (42) positioned at the outer side is fixed at the end of the barrel body (1), the other fixing rings (42) positioned at the inner side are protruded downwards one by one to form a cone shape and are fixedly connected with the fixing ring (42) positioned at the outer side through the plurality of tooth rows (43), and a slurry suction channel (41) is formed between the two adjacent fixing rings (42).
7. The reverse circulation drill for the reverse circulation hole-forming grouting pile is characterized in that the number of the flushing liquid channels (11) is four, and the four flushing liquid channels (11) are evenly distributed on the inner wall of the cylinder body (1) at intervals.
8. The reverse circulation drill for the reverse circulation hole-forming grouting pile is characterized in that one end, far away from the cylinder body (1), of the transmission rod (3) is provided with a connecting sleeve (8) connected with a drilling machine.
9. A reverse circulation hole-forming drilling machine system is characterized by comprising a drill rod (101), a rotating disc (102), a conveying pipe (103) and the reverse circulation drill for the reverse circulation hole-forming grouting pile as claimed in any one of claims 1 to 8, wherein one end of the drill rod (101) is connected with a driving rod (3) through a connecting sleeve (8), the other end of the drill rod is connected to the outside of a pile hole through the conveying pipe (103) so as to discharge slurry, and the rotating disc (102) is installed on the drill rod (101) so as to drive the drill rod (101) to rotate.
10. The reverse circulation hole-forming drilling machine system according to claim 9, further comprising a mud sedimentation tank (104) arranged outside the pile hole, wherein an overflow plate (105) is arranged in the mud sedimentation tank (104) to divide the mud sedimentation tank (104) into two parts, and the mud output by the conveying pipe (103) is stored in the mud sedimentation tank (104) and is positioned in a space on one side of the overflow plate (105) so that the upper layer liquid of the settled mud overflows through the overflow plate (105) to a space on the other side of the overflow plate (105) to form a flushing liquid injected into the pile hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220926298.9U CN217028794U (en) | 2022-04-20 | 2022-04-20 | Reverse circulation drill and reverse circulation pore-forming drilling machine system for reverse circulation pore-forming grouting pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220926298.9U CN217028794U (en) | 2022-04-20 | 2022-04-20 | Reverse circulation drill and reverse circulation pore-forming drilling machine system for reverse circulation pore-forming grouting pile |
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| CN217028794U true CN217028794U (en) | 2022-07-22 |
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| CN202220926298.9U Active CN217028794U (en) | 2022-04-20 | 2022-04-20 | Reverse circulation drill and reverse circulation pore-forming drilling machine system for reverse circulation pore-forming grouting pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559667A (en) * | 2022-11-17 | 2023-01-03 | 湖南路桥建设集团有限责任公司 | Rotary drill for reverse circulation pore-forming grouting pile and construction process |
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2022
- 2022-04-20 CN CN202220926298.9U patent/CN217028794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559667A (en) * | 2022-11-17 | 2023-01-03 | 湖南路桥建设集团有限责任公司 | Rotary drill for reverse circulation pore-forming grouting pile and construction process |
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