CN212508135U - Drill rod guiding device - Google Patents
Drill rod guiding device Download PDFInfo
- Publication number
- CN212508135U CN212508135U CN202021602220.9U CN202021602220U CN212508135U CN 212508135 U CN212508135 U CN 212508135U CN 202021602220 U CN202021602220 U CN 202021602220U CN 212508135 U CN212508135 U CN 212508135U
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- hinge
- drill rod
- guide
- steel ring
- drill
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 210000005069 ears Anatomy 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000011065 in-situ storage Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The invention relates to a drill rod guide device, which comprises a guide steel ring, wherein the diameter of the guide steel ring is slightly smaller than that of a drill bit, and fixing sections are coaxially arranged above and below the guide steel ring and are used for being coaxially fixed on a drill rod; a plurality of hinge lugs I are uniformly distributed on the outer periphery of the fixed joint, an upper group of hinge lugs II and a lower group of hinge lugs II are arranged on the inner periphery of the guide steel ring, and the number of each group of hinge lugs II is equal to that of the hinge lugs I on each fixed joint; the hinge structure is characterized by also comprising a plurality of connecting steel plates, wherein the first ends of the connecting steel plates are hinged with the hinge lugs I, the second ends of the connecting steel plates are hinged with the hinge lugs II, and the hinge structure is a hinge mode convenient to disassemble and assemble; when the guide device is used, the guide steel ring is coaxial with the drill bit, the guide steel ring enters the drill hole along with the drill rod, a certain distance is reserved between the guide steel ring and the drill bit, when the drill bit drives the drill rod to incline, the guide steel ring is in contact with the hole wall, the incline of the drill rod is forcibly controlled, the guide purpose is achieved, the defect that the active guide device occupies the space of a hole platform is overcome, the structure is simple, and the disassembly and assembly are convenient.
Description
Technical Field
The invention relates to the technical field of cast-in-situ bored pile engineering, in particular to a drill rod guide device.
Background
cast-in-situ pile is a pile type defined by classifying pile forming methods, in which a pile hole is formed in foundation soil by means of mechanical drilling at a construction site, a reinforcement cage is placed in the pile hole, and concrete is poured into the pile hole.
The cast-in-situ bored pile is firstly published in the United states in the early 40 th century along with the development success of a high-power drilling machine, the cast-in-situ bored pile applied in China is firstly adopted in the construction of bridges and ports in the early 60 th century, and the cast-in-situ bored pile is widely applied to high-rise and super-high-rise buildings and heavy structures along with the development of scientific and technology in the present day, and the design and construction level of the cast-in-situ bored pile is greatly developed.
The cast-in-situ bored pile has the advantages of small harm to the environment and surrounding buildings during construction, large pile diameter, deep penetration, wide applicable stratum, simple and light construction equipment and the like, is rapidly developed along with the acceleration of reform and opening steps in the early 90 s in the 80 s, is popularized in autonomous regions of various provinces and cities in the country and hundreds of large and medium-sized cities and development areas, and is mainly applied to various foundations including special soil such as soft soil, expansive soil and the like.
The construction of the bored pile includes two kinds of mud wall protecting method and full casing pipe construction method, and the rotary drilling machine and the submersible drilling machine are two kinds of construction equipment commonly used for the mud wall protecting bored pile.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a drill rod guiding device.
To solve the technical problems, the invention is realized by the following technical scheme:
a drill rod guide device comprises a guide steel ring, the diameter of the guide steel ring is slightly smaller than or equal to the diameter of a drill bit, and fixing sections are coaxially arranged above and below the guide steel ring; the inner diameter of the fixed joint is equivalent to the outer diameter of the drill rod and is used for being coaxially fixed on the drill rod; a plurality of hinge lugs I are uniformly distributed on the outer periphery of the fixed joint, an upper group of hinge lugs II and a lower group of hinge lugs II are arranged on the inner periphery of the guide steel ring, and the number of each group of hinge lugs II is equal to that of the hinge lugs I on each fixed joint; the hinge structure is characterized by also comprising a plurality of connecting steel plates, wherein the first ends of the connecting steel plates are hinged with the hinge lugs I, the second ends of the connecting steel plates are hinged with the hinge lugs II, and the hinge structure is a hinge mode convenient to disassemble and assemble; when the drill bit is used, the pilot steel ring is coaxial with the drill bit.
Furthermore, a plurality of adjusting and fastening threaded holes are formed in the side wall of the fixing section, adjusting and fastening bolts are matched with the adjusting and fastening threaded holes for use, and the adjusting and fastening bolts are screwed down to jack the drill rod tightly, so that the fixing section is fixed on the drill rod; and loosening the adjusting fastening bolt to separate the fixed joint from the drill rod.
Furthermore, the number of hinge eyes I on the fixed knot is 4, the number of the upper and lower two sets of hinge eyes II of leading positive steel ring is 4, and the number of connecting steel plates is 8.
Further, the adjusting fastening threaded holes comprise 2 groups of 2 symmetrically distributed, and each group comprises 2.
Furthermore, the fixed knot comprises a pair of symmetrical prefabricated bodies, and the two prefabricated bodies are fastened and assembled through a connecting hole, a connecting bolt and a nut.
Furthermore, the connection steel plate is hinged with the hinge lug I and the hinge lug II through a connecting bolt, and the hinge mode is convenient to disassemble and assemble.
The invention can achieve the following beneficial effects:
(1) the guide device is put into a hole along with a drill rod, the guide steel ring has a certain distance with the drill bit, when the drill bit drives the drill rod to deflect, the guide steel ring is contacted with the hole wall to forcibly control the deflection of the drill rod, thereby achieving the purpose of guide, overcoming the defect that the active guide device occupies the space of a hole platform, and having simple structure and convenient assembly and disassembly;
(2) the guide steel ring is connected with the fixed joint in a hinged mode convenient to disassemble and assemble, and on the first hand, the guide steel ring is convenient to assemble; in the second aspect, the pilot steel rings with different diameters are replaced to adapt to the drill holes with different sizes; in the third aspect, the pilot steel rings with different widths can be replaced according to actual working conditions so as to ensure better pilot effect, and theoretically, the wider the pilot steel ring is, the larger the contact surface with the hole wall is, the better the pilot effect is;
(3) the fixed connection between the fixed joint and the drill rod is realized by matching the adjusting fastening bolt and the adjusting fastening threaded hole, the vertical position of the fixed joint can be adjusted up and down by loosening the adjusting fastening bolt to separate the fixed joint from the drill rod, so that the position of the guide steel ring is adjusted, and the purpose of adjusting the distance between the guide steel ring and the drill bit according to the actual condition of the drilling engineering is further achieved, theoretically, the farther the distance between the guide steel ring and the drill bit is, the better the guide effect is;
(4) the fixed joint can be prefabricated in two halves according to the diameter of the drill rod, so that the disassembly and assembly work is greatly facilitated;
(5) the drill rod drill;
(6) this lead and just install can a plurality of combinations and use, and theoretically, lead and just install quantity more, lead the effect better.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view II of an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
FIG. 4 is a left side view of an embodiment of the present invention;
FIG. 5 is a top view of an embodiment of the present invention;
FIG. 6 is a perspective view of a joint of a fixed joint and a hinge lug I according to an embodiment of the present invention;
FIG. 7 is a top view of a fixed joint coupled to a hinge I in an embodiment of the invention;
FIG. 8 is an elevation view of a fixed joint coupled to a hinge I in an embodiment of the invention;
FIG. 9 is a schematic perspective view of a guide steel ring connected to a hinge lug II according to an embodiment of the present invention;
FIG. 10 is a top view of a pilot steel ring coupled to hinge lug II according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view A-A of FIG. 10;
FIG. 12 is a schematic illustration of an application of an embodiment of the present invention;
in the figure: 1-fixed joint, 101-adjusting fastening threaded hole, 102-connecting hole, 2-hinge lug I, 201-connecting bolt hole I, 3-connecting bolt I, 4-connecting steel plate, 5-connecting bolt II, 6-hinge lug II, 601-connecting bolt hole II, 7-pilot steel ring, 8-connecting bolt, 9-nut, 10-adjusting fastening bolt, 11-drill rod and 12-drill bit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1-5, a drill rod guide device comprises a guide steel ring 7, the diameter of the guide steel ring 7 is slightly smaller than or equal to the diameter of a drill bit, and fixing joints 1 are coaxially arranged above and below the guide steel ring 7; the inner diameter of the fixed joint 1 is equivalent to the outer diameter of the drill rod 11 and is used for being coaxially fixed on the drill rod 11; 4 hinge lugs I2 are uniformly and fixedly welded on the periphery of the fixed joint 1, an upper group of hinge lugs II 6 and a lower group of hinge lugs II 6 are welded on the inner periphery of the guide steel ring 7, the number of each group of hinge lugs II 6 is 4, and the hinge lugs are uniformly distributed on the circumference; the hinge structure is a hinge mode convenient to disassemble and assemble, in the embodiment, the hinge mode convenient to disassemble and assemble of the connecting steel plate 4, the hinge lug I2 and the hinge lug II 6 is realized through a connecting bolt, namely a connecting bolt hole I201 is formed in the hinge lug I2, and the first end of the connecting steel plate 4 is hinged with the hinge lug I2 through the connecting bolt hole I201 and a connecting bolt I3; a connecting bolt hole II 601 is formed in the hinge lug II 6, and the second end of the connecting steel plate 4 is hinged through the connecting bolt hole II 601 and the connecting bolt II 5 to facilitate disassembly and assembly; in use, the pilot steel ring 7 is coaxial with the drill bit 12.
The side wall of the fixed joint 1 is provided with 2 groups of symmetrically distributed adjusting and fastening threaded holes 101, each group comprises 2 circumferentially distributed adjusting and fastening threaded holes 101, an adjusting and fastening bolt 10 is matched with the adjusting and fastening threaded holes 101 for use, and the adjusting and fastening bolt 10 is screwed down to be used for jacking the drill rod 11 so that the fixed joint 1 is fixed on the drill rod 11; and the fixed joint 1 is separated from the fixed connection relation with the drill rod 11 when the adjusting fastening bolt 10 is loosened.
The fixed joint 1 comprises a pair of symmetrical prefabricated bodies, and the two prefabricated bodies are fastened and assembled through a connecting hole 102, a connecting bolt 8 and a nut 9; a pair of symmetrical prefabricated bodies are prefabricated in two halves according to the diameter of the drill rod, and the disassembly and assembly work is greatly facilitated.
Use of this example:
(1) fixing the upper and lower fixing sections 1 on the drill rod 11, wherein the fixing positions are roughly determined according to actual requirements;
(2) connecting steel plates 4 are hinged to hinge lugs II on the guide steel ring 7;
(3) the guide steel ring 7 is sleeved on the periphery of the drill rod 11, and the connecting steel plates 4 hinged to the guide steel ring are respectively hinged to proper hinge lugs I2 on the fixed joint 1;
(4) adjusting the position of the fixed joint 1 up and down according to the actual condition until the construction requirement is met;
(5) screwing the adjusting fastening bolt 10 to tightly push the drill rod 11, so that the fixing joint 1 is fixedly connected to the drill rod 11;
(6) finally, the drill rod 11 is fixedly connected with the drill bit 12, and then drilling construction can be carried out.
The advantages of this embodiment are as follows:
(1) the guide device is put into a hole along with a drill rod 11, the guide steel ring 7 is at a certain distance from the drill bit 12, when the drill bit 12 drives the drill rod 11 to deflect, the guide steel ring 7 is in contact with the hole wall, the deflection of the drill rod 11 is forcibly controlled, the guide purpose is achieved, the defect that an active guide device occupies the space of a hole platform is overcome, the structure is simple, and the assembly and disassembly are convenient;
(2) the guide steel ring 7 is connected with the fixed joint 1 in a hinged mode convenient to disassemble and assemble, and on the first hand, the assembly is convenient; in the second aspect, the pilot steel rings 7 with different diameters are replaced to be suitable for drilling holes with different sizes; in the third aspect, the pilot steel ring 7 with different widths can be replaced according to actual working conditions so as to ensure better pilot effect, and theoretically, the wider the width of the pilot steel ring 7 is, the larger the contact surface with the hole wall is, the better the pilot effect is;
(3) the fixed connection between the fixed joint 1 and the drill rod 11 is realized by matching the adjusting fastening bolt 10 with the adjusting fastening threaded hole 101, the upper and lower positions of the fixed joint 1 can be adjusted up and down by loosening the adjusting fastening bolt 10 to separate the fixed joint 1 from the drill rod 11, so that the position of the guide steel ring 7 is adjusted, and the purpose of adjusting the distance between the guide steel ring 7 and the drill bit 12 according to the actual situation of the drilling engineering is achieved, and theoretically, the farther the distance between the guide steel ring 7 and the drill bit 12 is, the better the guide effect is;
(4) the fixed joint 1 can be prefabricated in two halves according to the diameter of the drill rod 11, so that the disassembly and assembly work is greatly facilitated;
(5) the structure of the fixed joint 1 is reasonably designed, so that the fixed joint is suitable for drill rods with different circular and square types and different diameters, such as a rotary drilling machine and a submersible drilling machine, and is matched with drill bits with different types, such as the rotary drilling machine and the submersible drilling machine;
(6) more than 1 guide devices can be used according to actual needs, and theoretically, the more the guide devices, the better the guide effect.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (6)
1. A drill rod guiding device is characterized in that: the drill bit comprises a guide steel ring (7), the diameter of the guide steel ring (7) is slightly smaller than or equal to that of a drill bit, and fixing sections (1) are coaxially arranged above and below the guide steel ring (7); the inner diameter of the fixed joint (1) is equivalent to the outer diameter of the drill rod (11) and is used for being coaxially fixed on the drill rod (11); a plurality of hinge lugs I (2) are uniformly distributed on the periphery of the fixed joint (1), an upper group of hinge lugs II and a lower group of hinge lugs II (6) are arranged on the inner periphery of the guide steel ring (7), and the number of each group of hinge lugs II (6) is equal to that of the hinge lugs I (2) on each fixed joint (1); the hinge is characterized by further comprising a plurality of connecting steel plates (4), wherein the first ends of the connecting steel plates (4) are hinged with the hinge I (2), the second ends of the connecting steel plates (4) are hinged with the hinge II (6), and the hinge structure is a hinge mode convenient to disassemble and assemble; when in use, the guide steel ring (7) is coaxial with the drill bit (12).
2. The drill rod guide as recited in claim 1, wherein: a plurality of adjusting fastening threaded holes (101) are formed in the side wall of the fixing section (1), adjusting fastening bolts (10) are matched with the adjusting fastening threaded holes (101) for use, and the adjusting fastening bolts (10) are screwed down for jacking a drill rod (11) so that the fixing section (1) is fixed on the drill rod (11); and when the adjusting fastening bolt (10) is loosened, the fixed joint (1) and the drill rod (11) are separated from the fixed connection relation.
3. The drill rod guide as recited in claim 2, wherein: the number of hinge ear I (2) is 4 on fixed knot (1), lead the number of two sets of hinge ears II (6) of upper and lower of just steel ring (7) and be 4, the number of connecting plate (4) is 8.
4. The drill rod guide as recited in claim 2, wherein: the adjusting fastening threaded hole (101) comprises 2 groups of 2 symmetrically distributed, and each group comprises 2.
5. The drill rod guide as recited in claim 1, wherein: the fixing section (1) comprises a pair of symmetrical prefabricated bodies, and the two prefabricated bodies are fastened and assembled through a connecting hole (102), a connecting bolt (8) and a nut (9).
6. The drill rod guide as recited in claim 1, wherein: the hinge mode of connecting steel plate (4) and hinge ear I (2) and hinge ear II (6) that make things convenient for the dismouting is realized through connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602220.9U CN212508135U (en) | 2020-08-05 | 2020-08-05 | Drill rod guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602220.9U CN212508135U (en) | 2020-08-05 | 2020-08-05 | Drill rod guiding device |
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| Publication Number | Publication Date |
|---|---|
| CN212508135U true CN212508135U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021602220.9U Active CN212508135U (en) | 2020-08-05 | 2020-08-05 | Drill rod guiding device |
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| CN (1) | CN212508135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963077A (en) * | 2020-08-05 | 2020-11-20 | 山东正元建设工程有限责任公司 | Drill rod guiding device |
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2020
- 2020-08-05 CN CN202021602220.9U patent/CN212508135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963077A (en) * | 2020-08-05 | 2020-11-20 | 山东正元建设工程有限责任公司 | Drill rod guiding device |
| CN111963077B (en) * | 2020-08-05 | 2025-11-21 | 山东正元建设工程有限责任公司 | Drill rod guide device |
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