CN220955442U - Drilling tool for rotary-digging filling pile machine - Google Patents
Drilling tool for rotary-digging filling pile machine Download PDFInfo
- Publication number
- CN220955442U CN220955442U CN202322766493.7U CN202322766493U CN220955442U CN 220955442 U CN220955442 U CN 220955442U CN 202322766493 U CN202322766493 U CN 202322766493U CN 220955442 U CN220955442 U CN 220955442U
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- drill
- cast
- reinforcing
- cover unit
- rotary
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- 238000005553 drilling Methods 0.000 title claims abstract description 67
- 230000001680 brushing effect Effects 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 239000004567 concrete Substances 0.000 claims description 30
- 239000002689 soil Substances 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 9
- 239000011150 reinforced concrete Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of rotary digging secant pile construction, and particularly relates to a drilling tool of a rotary digging bored pile machine. The utility model provides a drilling tool of a rotary-digging bored pile machine, which is characterized in that a connecting cover unit and a wall brushing unit are arranged on a drilling barrel, so that: 1. the drilling tool of the rotary digging cast-in-place pile machine can polish and scrape the meshing part of the meshing pile through the wall brushing unit, so that the meshing contact surface is smooth, and the meshing quality of the meshing pile is greatly improved; 2. the connecting cover unit is integrated into a whole to connect the drill cylinder, so that the whole structure is more stable and firm.
Description
Technical Field
The utility model belongs to the technical field of rotary digging secant pile construction, and particularly relates to a drilling tool of a rotary digging bored pile machine.
Background
The occluding pile is a building envelope form widely used in engineering, can be suitable for various soil layers such as rock stratum, sand layer, clay layer, powdery clay, silt, mucky soil layer and the like, and has different drilling machine forms selected for different soil layers, wherein the most widely used drilling machine is a rotary drilling machine.
The bored pile adopts a full casing pipe drilling machine and super-retarding concrete technology, and is formed by adjacently engaging a reinforced concrete pile in the middle and plain concrete piles on two sides. Firstly constructing plain concrete piles (super-retarding concrete) on two sides, constructing a reinforced concrete pile in the middle before initial setting, cutting off concrete at the intersection part of adjacent plain concrete piles by using a complete set of pipe pile machine during construction of the reinforced concrete pile in the middle, enabling adjacent piles to be mutually meshed (pile circumferences are embedded) between row piles, firstly constructing two adjacent plain concrete piles, then constructing the reinforced concrete pile between the two adjacent plain concrete piles, then driving a third adjacent plain concrete pile, then constructing a second reinforced concrete pile between the second plain concrete pile and the third plain concrete pile, and the like, and finally jointly finishing setting, thereby forming a seamless and continuous 'pile wall', and achieving the novel deep foundation pit supporting structure with the functions of retaining soil, stopping water and guaranteeing construction safety.
The patent publication number is CN213683929U, and the Chinese patent publication date is 2021.07.13 discloses a rotary drilling tool and a rotary drilling machine, and the rotary drilling tool comprises a drilling cylinder, an upper sealing plate, an upper pressure plate and a soil unloading device.
The general structural principle of the rotary drilling tool in the patent of the utility model is as follows: the drill top is connected with the drill rod, torque and pressurizing force applied to the drill rod by the rotary drilling rig are transmitted to the rotary drilling rig through the drill top to finish rotary drilling, and rock powder worn down during operation is guided into the drill cylinder through the upper sealing plate at the top of the drill cylinder, and then the rock and soil in the drill cylinder are pushed by the soil unloading device to facilitate the rock and soil in the drill cylinder to be unloaded.
However, the rotary drilling tool and the rotary drilling machine have at least the following 2 defects in the actual use process, in other words, the technical problems to be solved by the utility model are:
1. In the construction process of the occlusion pile, plain concrete at the occlusion part is required to be drilled and scattered before the construction of the reinforced concrete pile, and the occlusion part is not cut smoothly when a conventional drilling tool drills, so that the occlusion contact surface of the plain concrete pile is too rough, the occlusion effect of the occlusion part at the later stage is not ideal and not tight, the soil retaining and water stopping effects of the occlusion pile are affected, and the accident pile is easy to form.
2. Reinforcing ribs of the drill rod connecting part are fixed on the drill cylinder through four scattered reinforcing pieces, and the connection integrity is not strong, so that the firmness of drill rod connection is low and the connection is unstable.
Therefore, in view of the above, there is a need for a novel rotary-digging bored pile machine drilling tool with high engagement quality and firm connection, which is used for construction of the engagement pile enclosure structure engineering.
Disclosure of utility model
The utility model provides a drilling tool of a rotary-digging bored pile machine, which is characterized in that a connecting cover unit and a wall brushing unit are arranged on a drilling barrel, so that: 1. the drilling tool of the rotary digging cast-in-place pile machine can polish and scrape the meshing part of the meshing pile through the wall brushing unit, so that the meshing contact surface is smooth, and the meshing quality of the meshing pile is greatly improved; 2. the connecting cover unit is integrated into a whole to connect the drill cylinder, so that the whole structure is more stable and firm.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a dig bored concrete pile machine boring tool soon, the structure includes bores a section of thick bamboo, and bore the head, and set up spiral drill collar on the section of thick bamboo, still including setting up on the section of thick bamboo is used for installing the connecting cover unit of drilling rod, and set up brush wall unit on the section of thick bamboo.
The further preferable technical scheme is as follows: the connecting cover unit comprises an upper plate arranged on the drill cylinder, a square shaft sleeve arranged on the upper plate and used for installing the drill rod, and a reinforcing rib arranged on the upper plate and used for fixing the square shaft sleeve.
The further preferable technical scheme is as follows: the connecting cover unit further comprises a soil inlet hole arranged on the upper plate.
The further preferable technical scheme is as follows: the connecting cover unit further comprises a reinforcing ring arranged on the upper plate and used for connecting the drill cylinder and the reinforcing ribs.
The further preferable technical scheme is as follows: the connecting cover unit further comprises a sparse through hole arranged on the reinforcing rib.
The further preferable technical scheme is as follows: the connecting cover unit further comprises a reinforcing plate arranged on the square shaft sleeve and a bolt hole which is arranged on the reinforcing plate and used for reinforcing the drill rod.
The further preferable technical scheme is as follows: the wall brushing unit comprises an arc-shaped steel plate arranged on the drill cylinder, a through hole arranged on the steel plate and a steel wire arranged in the through hole.
The further preferable technical scheme is as follows: the steel wire is arranged on the drill cylinder.
The further preferable technical scheme is as follows: the wall brushing unit further comprises a base arranged on the steel wire and used for being connected with the drilling barrel.
The further preferable technical scheme is as follows: and 2-10 wall brushing units are arranged between every two auger rings.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a front view of the connection cover unit in the present utility model.
Fig. 3 is a top view of the connection cap unit in the present utility model.
Fig. 4 is a partial cross-sectional view of the present utility model.
Fig. 5 is a schematic view of a steel sheet according to the present utility model.
Fig. 6 is a schematic view of the position structure of the wall brushing unit in the present utility model.
Fig. 7 is a partial top view of a snap peg.
In the figures, the meaning of each label is as follows:
plain concrete pile a, reinforced concrete pile b, engagement part c and drill rod d;
a drill barrel 11, a drill bit 12, and an auger collar 13;
A connecting cover unit 1 and a wall brushing unit 2;
Upper plate 101, square shaft sleeve 102, reinforcing rib 103, soil inlet 104, reinforcing ring 105, dredging hole 106, reinforcing plate 107, bolt hole 108, steel plate 201, through hole 202, steel wire 203, and base 204.
Detailed Description
The following description is of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model.
Referring to fig. 1-7, a rotary bored pile machine drilling tool structurally comprises a drilling barrel 11, a drill bit part 12, an auger collar 13 arranged on the drilling barrel 11, a connecting cover unit 1 arranged on the drilling barrel 11 and used for installing a drill rod d, and a wall brushing unit 2 arranged on the drilling barrel 11.
In this embodiment, as shown in fig. 6, in the construction process of the engaged pile, two plain concrete piles a are usually constructed first and then the reinforced concrete pile b located therebetween is constructed, the reinforced concrete pile b is required to be constructed before the plain concrete pile a is initially set, and in the construction process of the reinforced concrete pile b, the engaged portion c of the plain concrete pile a is required to be broken up and then the reinforced concrete pile b is constructed. The drilling tool of the rotary-digging bored pile machine is used for rotary-digging the reinforced concrete pile b and scraping the wall of the engagement part c.
In addition, the rotary-digging bored concrete pile machine drilling tool can be operated, one end of the connecting cover unit 1 is connected with the drill rod d, the other end of the connecting cover unit is connected with the drilling cylinder 11, the drill rod d drives and twists the drilling cylinder 11 connected with the connecting cover unit 1, so that the rotary-digging bored concrete pile machine drilling tool can realize a downward rotary-digging effect, and the connecting cover unit 1 is firmly connected, so that the integral structure of the rotary-digging bored concrete pile machine drilling tool is more stable and firm.
Finally, after the engagement part c of the plain concrete pile a is scattered, the contact surface of the reinforced concrete pile b and the plain concrete pile a is rough and uneven, which affects the situations that the engagement of the reinforced concrete pile b and the plain concrete pile a is not tight, the engagement effect is poor, and the like, the wall brushing unit 2 is used for brushing the contact surface of the plain concrete pile a contacted with the reinforced concrete pile b, and uniformly scraping and flattening the concave-convex part on the contact wall, so that the engagement of the reinforced concrete pile b and the plain concrete pile a is very tight, and meanwhile, the water blocking capability of the engaged pile can be effectively improved.
The connection cover unit 1 includes an upper plate 101 provided on the drill pipe 11, a square bushing 102 provided on the upper plate 101 for mounting the drill rod d, and a reinforcing rib 103 provided on the upper plate 101 for fixing the square bushing 102.
In this embodiment, the connection cover unit 1 is covered on the drill barrel 11, the square shaft sleeve 102 is used for sleeving the drill rod d, the square shaft sleeve 102 and the upper plate 101 are further fixed by the reinforcing ribs 103, the reinforcing ribs 103 are mainly used for reinforcing the strength and rigidity of the structure, the drill rod d is used for acting force on the rotary drilling pile machine, or acting force on the rotary drilling pile machine drilling tool by the structure itself and the surrounding environment of drilling can be used for further protecting and reinforcing the rotary drilling pile machine drilling tool under the action of the reinforcing ribs 103.
The connection cover unit 1 further includes a soil inlet hole 104 provided on the upper plate 101.
In this embodiment, the soil inlet hole 104 is provided on the upper plate 101, so that when the drilling tool of the rotary-digging pile machine works, scattered mud or scattered soil in the side wall or the empty slot can enter the drilling barrel 11 through the soil inlet hole 104, the drill bit portion 12 at the bottom of the drilling barrel 11 is an existing drill bit portion, one end of the drill bit portion 12 is fixed on the drilling barrel 11, the other end of the drill bit portion is movably connected to the drilling barrel 11, the soil entering the drilling barrel 11 from the soil inlet hole 104 is propped against the drill bit portion 12, and after the drilling tool of the rotary-digging pile machine ascends to the land level, the movable connection portion between the drill bit portion 12 and the drilling barrel 11 is opened, and the soil of the drilling barrel 11 can be discharged.
The connection cover unit 1 further includes a reinforcing ring 105 provided on the upper plate 101 for connecting the drill pipe 11 and the reinforcing ribs 103.
In this embodiment, the diameter of the reinforcing ring 105 is smaller than that of the drill barrel 11, the lower end face of the reinforcing ring is connected with the upper surface of the barrel of the drill barrel 11, the inner side wall close to the lower end face is connected with the upper plate 101, so that the reinforcing ring is fixedly connected with the drill barrel 11, the upper end of the reinforcing ring 105 is clamped with the reinforcing rib 103 to form a folded ring clamped with the reinforcing rib 103, the reinforcing rib 103 is integrally fixed, if the reinforcing ring 105 is not provided, the drill barrel 11 and the upper plate 101 are simply connected and easily loosened, and the reinforcing rib 103 is easily loosened and deviated when impacted by silt in the rotary digging process, if the reinforcing ring 103 is reinforced by using only four independent reinforcing plates, the integral reinforcing effect of the reinforcing ring 105 is poorer, and the integral stability is better.
The connection cover unit 1 further includes a dredging hole 106 provided on the reinforcing rib 103.
In this embodiment, when the reinforcing rib 103 is in the operation of the drilling tool of the rotary-digging bored concrete pile machine, a large amount of soil or concrete and other substances are driven into the drilling drum 11, a certain pressure is applied to the reinforcing rib 103 during the operation, the difficulty and self load of the drilling tool of the rotary-digging bored concrete pile machine are increased, the through holes 106 are formed in the reinforcing rib 103, the weight of the connecting cover unit 1 can be reduced, and meanwhile, soil passing through the reinforcing rib 103 is not excessively accumulated on the through holes 106 and the upper plate 101, so that the rotary-digging working efficiency is improved.
The connection cover unit 1 further includes a reinforcing plate 107 provided on the square shaft housing 102, and a latch hole 108 provided on the reinforcing plate 107 for reinforcing the drill rod d.
In this embodiment, at least one pair of corresponding reinforcing plates 107 and pin holes 108 are provided on the square shaft sleeve 102, and the drill rod d penetrates into the square shaft sleeve 102 and passes through the pin holes 108 on the reinforcing plates 107 through nuts or fixing pins, so as to fixedly connect the connection cover unit 1 and the drill rod d, so that the rotary-digging cast-in-place pile machine drill rotates under the torsion action of the drill rod d. The bolt hole 108 can also be directly arranged on the square shaft sleeve 102, but the bolt hole 108 is easy to be worn and enlarged when the rotary-digging bored pile machine drilling tool works, meanwhile, the square shaft sleeve 102 is easy to be worn and enlarged, so that the stabilizing effect of the drill rod d is weakened, the drill rod d is easy to loose, the reinforcing plate 107 is arranged on the square shaft sleeve 102, the bolt hole 108 is limited and supported through the reinforcing plate 107, the wear of the square shaft sleeve 102 is reduced, and the drill rod d is connected more stably.
The brush wall unit 2 includes an arc-shaped steel plate 201 provided on the drill drum 11, a through hole 202 provided on the steel plate 201, and a steel wire 203 provided in the through hole 202.
In this embodiment, the steel plate 201, the through hole 202 and the steel wire 203 integrally form a brush plate structure, the steel plate 201 is arc-shaped and is attached to the outer wall of the drill barrel 11, a plurality of through holes 202 are formed in the steel plate 201, so that the steel wire 203 passes through the through holes 202 to be fixed on the drill barrel 11, the through holes 202 are used for positioning the steel wire 203, the steel plate 201 is welded and fixed on the brush wall unit 2, and the brush wall unit 2 is rotated along with the drill barrel 11, so that a brush wall effect is achieved.
The steel wire 203 is arranged on the drill drum 11.
In this embodiment, the steel wire 203 passes through the through hole 202 and is welded on the drill barrel 11, and if the steel wire 203 falls off or deforms during the use process of the rotary bored pile machine tool, only a new steel wire 203 needs to be replaced, and the new steel wire 203 is welded on the drill barrel 11 again.
The wall brushing unit 2 further comprises a base 204 arranged on the wire 203 and adapted to be connected to the drill drum 11.
In this embodiment, the base 204 is disposed at the end where the steel wire 203 is connected to the drill barrel 11, and this is used to better weld the steel wire 203 to the drill barrel 11 by using the base 204, where one end of the base 204 is fixed to the steel wire 203 and the other end is welded to the outer wall of the drill barrel 11 in the through hole 202, if the base 204 is not present, the steel wire 203 is not easy to be directly welded to the outer wall of the drill barrel 11, even if the steel wire is welded, but the contact surface is small, and the steel wire itself needs to be subjected to the reaction force of the engagement part, and is easy to loose and fall off, and the base 204 enlarges the welding surface, and bears the reaction force of the engagement part when a part of the operation is carried out, so that the steel wire 203 is more firm, and the use effect is better.
Between every two of the auger collars 13, 2 to 10 wall brushing units 2 are arranged.
In this embodiment, the wall brushing units 2 are located in the blank area between the auger collars 13, and are arranged along the guiding direction of the auger collars 13, and may be fixed on the drill barrel 11 in a staggered arrangement under the condition of saving materials and not affecting the wall brushing effect excessively, the steel plates 201 adjacent to each other vertically are not on the same straight line, and the number of the wall brushing units 2 is 2-10 between every two auger collars 13.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model includes but is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (10)
1. The utility model provides a dig bored concrete pile machine boring tool soon, the structure includes bores section of thick bamboo (11), drill bit portion (12) and sets up auger collar (13) on boring section of thick bamboo (11), its characterized in that: the wall brushing device further comprises a connecting cover unit (1) which is arranged on the drill cylinder (11) and used for installing the drill rod (d), and a wall brushing unit (2) which is arranged on the drill cylinder (11).
2. A rotary drilling machine for cast-in-place piles according to claim 1, wherein: the connecting cover unit (1) comprises an upper plate (101) arranged on the drill cylinder (11), a square shaft sleeve (102) arranged on the upper plate (101) and used for installing the drill rod (d), and a reinforcing rib (103) arranged on the upper plate (101) and used for fixing the square shaft sleeve (102).
3. A rotary drilling machine for cast-in-place piles according to claim 2, wherein: the connecting cover unit (1) further comprises a soil inlet hole (104) arranged on the upper plate (101).
4. A rotary drilling machine for cast-in-place piles according to claim 2, wherein: the connecting cover unit (1) further comprises a reinforcing ring (105) arranged on the upper plate (101) and used for connecting the drill cylinder (11) and the reinforcing ribs (103).
5. A rotary drilling machine for cast-in-place piles according to claim 2, wherein: the connecting cover unit (1) further comprises dredging holes (106) arranged on the reinforcing ribs (103).
6. A rotary drilling machine for cast-in-place piles according to claim 2, wherein: the connecting cover unit (1) further comprises a reinforcing plate (107) arranged on the square shaft sleeve (102), and a bolt hole (108) which is arranged on the reinforcing plate (107) and used for reinforcing the drill rod (d).
7. A rotary drilling machine for cast-in-place piles according to claim 1, wherein: the wall brushing unit (2) comprises an arc-shaped steel plate (201) arranged on the drill drum (11), a through hole (202) arranged on the steel plate (201), and a steel wire (203) arranged in the through hole (202).
8. A rotary drilling machine for cast-in-place piles according to claim 7, wherein: the steel wire (203) is arranged on the drill cylinder (11).
9. A rotary drilling machine for cast-in-place piles according to claim 7, wherein: the wall brushing unit (2) further comprises a base (204) arranged on the steel wire (203) and used for being connected with the drill cylinder (11).
10. A rotary drilling machine for cast-in-place piles according to claim 7, wherein: 2-10 wall brushing units (2) are arranged between every two auger rings (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322766493.7U CN220955442U (en) | 2023-10-16 | 2023-10-16 | Drilling tool for rotary-digging filling pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322766493.7U CN220955442U (en) | 2023-10-16 | 2023-10-16 | Drilling tool for rotary-digging filling pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955442U true CN220955442U (en) | 2024-05-14 |
Family
ID=91019442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322766493.7U Active CN220955442U (en) | 2023-10-16 | 2023-10-16 | Drilling tool for rotary-digging filling pile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955442U (en) |
-
2023
- 2023-10-16 CN CN202322766493.7U patent/CN220955442U/en active Active
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