CN219793896U - Repeated reaming anti-pulling pile - Google Patents
Repeated reaming anti-pulling pile Download PDFInfo
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- CN219793896U CN219793896U CN202223426507.2U CN202223426507U CN219793896U CN 219793896 U CN219793896 U CN 219793896U CN 202223426507 U CN202223426507 U CN 202223426507U CN 219793896 U CN219793896 U CN 219793896U
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- reaming
- pile
- reinforcement cage
- cage
- reinforcement
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- 230000002787 reinforcement Effects 0.000 claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000004873 anchoring Methods 0.000 claims abstract description 16
- 238000007667 floating Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a repeated reaming uplift pile which comprises a pile body, a reaming disc, a first reinforcement cage and a second reinforcement cage, wherein the reaming disc is arranged on the pile body; wherein, the expansion disc is disc-shaped and is arranged on the pile body; the first reinforcement cage is arranged in the pile body, and the shape of the first reinforcement cage is matched with that of the pile body; the second reinforcement cage is provided with a center rod, a reinforcement cage body and a movable part, the center rod is arranged in the direction of the center shaft of the pile body, the movable part is sleeved on the center rod, the upper end of the cage body is movably connected with the movable part, the lower end of the cage body is connected with the center rod, and the middle section of the cage body expands in the direction away from the center rod; has at least the following beneficial effects: the second steel reinforcement cage expands outwards, and the second steel reinforcement cage matches with the expansion disc shape, further improves expansion disc bending resistance, shear capacity and pile foundation resistance to plucking ability, and the length can be adjusted according to the anchoring requirement to the reinforcing bar of second steel reinforcement cage, reduces construction cost, reduces the reaming slope, strengthens the anchoring effect of reaming uplift pile to simple structure reduces the operation degree of difficulty.
Description
Technical Field
The utility model relates to the field of civil engineering, in particular to a repeated reaming anti-pulling pile.
Background
Along with the increasing shortage of urban land resources, the development requirement of underground space is larger and larger, the pulling-resistant requirement of underground engineering under the action of high water head is higher and higher pulling-resistant efficiency of the drilling and bottom-expanding filling pile is higher. The enlarged footing part of the traditional drilling and bottom-enlarging bored concrete pile is not reinforced, a pile hole is formed by a method of drilling with equal diameter firstly to a preset depth during construction, then an enlarged drill bit is replaced, the bottom layer of the enlarged hole is rotationally cut, an equal-diameter reinforcement cage is placed after hole forming, and pouring is carried out.
Disclosure of Invention
Aiming at the problems, the utility model provides a multi-reaming uplift pile, which mainly solves the problems in the background technology.
The utility model provides a repeated reaming uplift pile which comprises a pile body, a reaming disc, a first reinforcement cage and a second reinforcement cage; wherein the expansion disc is disc-shaped and is arranged on the pile body; the first reinforcement cage is arranged in the pile body, and the shape of the first reinforcement cage is matched with that of the pile body; the second reinforcement cage is provided with a center rod, a cage body and a movable part, the center rod is arranged in the direction of the center shaft, the movable part is sleeved on the center rod, the upper end of the cage body is movably connected with the movable part, the lower end of the cage body is connected with the center rod, and the middle section of the cage body expands in the direction away from the center rod.
The multi-reaming uplift pile provided by the embodiment of the utility model has at least the following beneficial effects: the reinforcement cage is buried in the expansion disc, the second reinforcement cage expands outwards, the second reinforcement cage is matched with the expansion disc, the bending resistance, shearing resistance and pile foundation pulling resistance of the expansion disc are further improved, the length of the reinforcement of the second reinforcement cage can be adjusted according to anchoring requirements, construction cost is reduced, reaming slope is reduced, concrete quantity is reduced, operation difficulty is reduced, and anchoring effect of the reaming pulling-resistant pile is enhanced.
The pile body is characterized in that at least two expansion discs are arranged at the bottom of the pile body, the other expansion discs are arranged on the pile body, the second reinforcement cages are in one-to-one correspondence with the number and the positions of the expansion discs, the plurality of expansion discs and the plurality of second reinforcement cages can strengthen the anchoring effect of the reaming uplift pile, the load born by the single expansion disc is reduced, and the service life and the safety of the reaming uplift pile are improved.
The movable part comprises a sleeve and a telescopic rod, the sleeve is sleeved on the central rod, the number of the sleeves corresponds to that of the second reinforcement cages one by one, the telescopic rod is connected with all the sleeves, and the sleeve and the telescopic rod can slide relatively, so that the second reinforcement cages are subjected to compression deformation.
The sleeve is characterized by comprising a left sleeve and a right sleeve, wherein the left sleeve and the right sleeve are connected and fixed with each other, the telescopic rods are respectively connected to the left sleeve and the right sleeve, after the construction of the second reinforcement cage is completed, the left sleeve and the right sleeve can be separated under the action of the telescopic rods, and the left sleeve and the right sleeve are separated from the central rod and the second reinforcement cage, so that the left sleeve and the right sleeve can be recycled, the cost is reduced, and the strength of the pile body is improved.
The left sleeve and the right sleeve are meshed and fixed through the mutually matched tooth surfaces, and when the left sleeve and the right sleeve are combined, dislocation caused by longitudinal force can be avoided, the second reinforcement cage is irregularly deformed, regular and symmetrical shapes of the second reinforcement cage are ensured, and the disc expanding strength is further improved.
The length of the cage body anchored into the pile body is larger than the anchoring length, so that the steel bars at the upper end can be adsorbed by the cement of the pile body, the steel bars can not be separated from the cement of the pile body, and the connection strength of the pile body and the expansion disc is ensured.
The further improvement lies in that the junction of well core rod and cage body lower extreme is equipped with the bottom plate, and the bottom plate is connected at well core rod, and cage body lower extreme is connected fixedly with the bottom plate, reduces the connection processing degree of difficulty of second steel reinforcement cage and well core rod, ensures the shape of cage body lower extreme simultaneously.
The further improvement lies in that first steel reinforcement cage includes longitudinal reinforcement and stirrup, and the stirrup is non-spiral stirrup, and the stirrup is independent circular stirrup, and every stirrup is independent circle reinforcing bar, and longitudinal reinforcement is fixed with the stirrup connection, is convenient for increase and decrease the stirrup in the second steel reinforcement cage position on the pile body to dodge the outer expansion of second steel reinforcement cage.
The improvement is that the longitudinal steel bars adopt high reinforcement ratio, the high reinforcement ratio means that the longitudinal steel bars adopt steel bars with thicker diameter and more steel bars than the pile body with the same specification, and the strength of the pile body is improved.
The steel bar corner of the second steel bar cage can be provided with a pin shaft for connection, so that the second steel bar cage can be folded easily, and the folded shape is ensured to meet the specification.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
FIG. 1 is a schematic diagram of an overall structure of a multi-reaming anti-pulling pile according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a construction of the multi-reaming anti-floating pile shown in FIG. 1;
FIG. 3 is a schematic view of the construction of the multi-reaming anti-pulling pile shown in FIG. 1;
FIG. 4 is a top plan view of a cage of the multi-reaming anti-uplift pile of FIG. 1;
FIG. 5 is a schematic sleeve view of the multi-reaming anti-pull pile of FIG. 1;
FIG. 6 is a top plan view of a sleeve of the multi-reaming anti-pull pile of FIG. 5;
FIG. 7 is a bottom view of a sleeve of the multi-reaming anti-pull pile of FIG. 5;
fig. 8 is a schematic view of a stirrup of the multi-reaming anti-pull pile shown in fig. 1.
Reference numerals
100. Pile body; 110. expanding a disc; 200. a first reinforcement cage; 210. longitudinal steel bars; 220. stirrups; 300. a second reinforcement cage; 310. the upper end of the cage body; 320. a cage body middle section; 330. the lower end of the cage body; 340. a bottom plate; 400. a central rod; 500. a sleeve; 510. a left sleeve; 511. positioning holes; 520. a right sleeve; 600. a telescopic rod.
Detailed Description
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model. The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 8, a multi-reaming anti-pulling pile includes a pile body 100, a reaming disc 110, a first reinforcement cage 200 and a second reinforcement cage 300; wherein, the expanding disc 110 is disc-shaped and is arranged on the pile body 100; first reinforcement cage 200 is arranged in pile body 100, and the shape of first reinforcement cage 200 is matched with the shape of pile body 100; the second reinforcement cage 300 is provided with a center rod 400, a cage body and a movable part, wherein the center rod 400 is arranged at the center of the pile body 100, the movable part is sleeved on the center rod 400, the upper end 320 of the cage body is movably connected with the movable part, the lower end 340 of the cage body is connected with the center rod 400, and the middle section 330 of the cage body expands towards the direction far away from the center rod 400; has at least the following beneficial effects: two steel reinforcement cages are buried in the expansion disc 110, the second steel reinforcement cage 300 expands outwards, the second steel reinforcement cage 300 is matched with the expansion disc 110 in shape, the bending resistance, the shearing resistance and the pile foundation pulling resistance of the expansion disc are further improved, the length of the steel reinforcement of the first steel reinforcement cage 200 can be adjusted according to anchoring requirements, the construction cost is reduced, the reaming slope is reduced, the concrete quantity is reduced, the anchoring effect of the reaming pulling-resistant pile is enhanced, the structure is simple, and the operation difficulty is reduced.
Specifically, the second reinforcement cage 300 is formed by uniformly distributing a plurality of reinforcement bars in a circumferential array by taking the central rod 400 as an axis, which is beneficial to improving the overall strength of the expansion disc 110 and improving the overall pulling strength of the multi-reaming pulling-resistant pile.
Specifically, the shape of the second reinforcement cage 300 is matched with the shape of the expansion disc 110, which is beneficial to improving the strength of the expansion disc 110.
As a preferred embodiment of the present utility model, referring to fig. 1 to 3, there are at least two expansion discs 110, the bottom of pile body 100 is provided with expansion discs 110, the rest expansion discs 110 are provided on pile body 100, the second reinforcement cages 300 are in one-to-one correspondence with the number and positions of expansion discs 110, and the plurality of expansion discs 110 and the plurality of second reinforcement cages 300 can enhance the anchoring effect of the reaming anti-pulling pile, reduce the load borne by a single expansion disc 110, and improve the service life and safety of the reaming anti-pulling pile.
It should be understood that the thickness of the expansion disc 110 at the bottom of the pile body 100 is greater than that of the other expansion discs 110, because the bottom limits the movable space of the second reinforcement cage 300, and the large thickness of the expansion disc 110 at the bottom is beneficial to fully playing the anchoring role of expanding holes in the fully weathered rock and strong weathered rock soil layers.
As a preferred embodiment of the present utility model, referring to fig. 1 to 7, the movable part includes a sleeve 500 and a telescopic rod 600, the sleeve 500 is sleeved on the central rod 400, the number of the sleeves 500 corresponds to that of the second reinforcement cage 300 one by one, the telescopic rod 600 is connected to all the sleeves 500, and the sleeve 500 and the telescopic rod 600 can be relatively slid, thereby compressing and deforming the second reinforcement cage 300.
Specifically, the sleeve 500 is provided with a positioning hole 511 near one side of the second reinforcement cage 300, the positioning hole 511 is matched with the number and the positions of the reinforcement bars of the second reinforcement cage 300, the reinforcement bars at the upper end of the second reinforcement cage 300 are inserted into the positioning hole 511, the positions of the reinforcement bars are ensured not to change along with the pressure, and the shape of the second reinforcement cage 300 is ensured.
It should be understood that the positioning hole 511 and the steel bar are movably connected, the sleeve 500 can be separated from the steel bar at any time, so that no interference of the steel bar is caused when the sleeve 500 and the telescopic rod 600 are recovered, and the operation difficulty is reduced.
As a preferred embodiment of the present utility model, referring to fig. 1 to 7, the sleeve 500 includes a left sleeve 510 and a right sleeve 520, the left sleeve 510 and the right sleeve 520 are fixedly connected to each other, the telescopic rod 600 is connected to the left sleeve 510 and the right sleeve 520, respectively, and after the construction of the second reinforcement cage 300 is completed, the left sleeve 510 and the right sleeve 520 can be separated under the action of the telescopic rod 600, and separated from the center rod 400 and the second reinforcement cage 300, so that the left sleeve 520 and the right sleeve 520 can be recycled, thereby reducing the cost and improving the strength of the pile body 100.
Specifically, the tooth surfaces are arranged at the joint of the left sleeve 510 and the right sleeve 520, the left sleeve 510 and the right sleeve 520 are meshed and fixed through the mutually matched tooth surfaces, and when the left sleeve 520 and the right sleeve 520 are combined, the situation that the second reinforcement cage 300 is irregularly deformed due to dislocation of the left sleeve 520 and the right sleeve 520 caused by longitudinal force can be avoided, the regular symmetry of the shape of the second reinforcement cage 300 is ensured, and the strength of the expansion plate 110 is further improved.
It should be appreciated that there are other ways of connecting the left sleeve 510 and the right sleeve 520, such as by magnetic attraction and glue attachment.
As a preferred embodiment of the present utility model, referring to fig. 1 to 6, the second reinforcement cage 300 has a greater anchoring length than the pile body, so that the reinforcement bars at the upper end can be adsorbed by the cement of the pile body 100, and the reinforcement bars cannot be separated from the cement of the pile body 100, thereby ensuring the connection strength of the pile body 100 and the expansion plate 110.
It should be understood that the anchoring length is defined as the length that, when the tension is large enough to just break the rebar, it is not allowed to pull the rebar out of the concrete; at this time, the length of the steel bar embedded in the concrete is the anchoring length, and the length of the steel bar anchored in the pile body in the embodiment is larger than the anchoring length, so that the connection strength of the pile body 100 and the expansion disc 110 is ensured, and the anchoring effect of the expansion disc 110 can be fully exerted.
As a preferred embodiment of the present utility model, referring to fig. 1 to 6, a bottom plate 340 is provided at the junction of the center pole 400 and the lower end of the second reinforcement cage 300, the bottom plate 340 is connected to the center pole 400, the lower end of the second reinforcement cage 300 is fixedly connected to the bottom plate 340, the difficulty of the connection process of the second reinforcement cage 300 and the center pole 400 is reduced, and the shape of the lower end of the second reinforcement cage 300 is ensured.
It should be noted that, the lower end of the second reinforcement cage 300 is connected to the bottom plate 340 through a welding process.
It should be noted that, the lower end of the second reinforcement cage 300 and the bottom plate 340 may be connected by other manners, such as bolting.
As a preferred embodiment of the present utility model, referring to fig. 1 to 3, the first reinforcement cage 200 includes longitudinal reinforcement 210 and stirrups 220, the stirrups 220 are non-spiral stirrups 220, the stirrups 220 are independent round stirrups 220, each stirrup 220 is an independent round reinforcement, the longitudinal reinforcement 210 is fixedly connected with the stirrups 220, and the stirrups 220 are increased or decreased at the position of the second reinforcement cage 300 on the pile body 100, so that the expansion of the second reinforcement cage 300 is avoided.
As a preferred embodiment of the present utility model, referring to fig. 1 to 8, the longitudinal bars 210 have a high reinforcement ratio, which means that the longitudinal bars 210 have a thicker diameter than the pile body 100 of the same specification and have a larger number of bars, thereby improving the strength of the pile body 100.
As a preferred embodiment of the present utility model, referring to fig. 1 to 8, a pin connection may be provided at a corner of the second reinforcement cage 300, so that the second reinforcement cage 300 may be easily folded and deformed, and the folded and deformed shape may be ensured to conform to the specification.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. The utility model provides a many times reaming uplift pile which characterized in that includes
Pile body;
the expanding disc is disc-shaped and is arranged on the pile body;
the first reinforcement cage is arranged in the pile body, and the shape of the first reinforcement cage is matched with that of the pile body; and
the second steel reinforcement cage, the second steel reinforcement cage is equipped with well core rod, cage body and movable part, well core rod sets up in the pile body axis direction, movable part cup joints on the well core rod, cage body upper end with movable part swing joint, cage body lower extreme with well core rod is connected, the cage body middle section is kept away from well core rod direction expansion.
2. The repeated reaming uplift pile according to claim 1, wherein the number of the reaming discs is at least two, the bottom of the pile body is provided with the reaming discs, the rest of the reaming discs are arranged on the pile body, and the second reinforcement cages are in one-to-one correspondence with the number and the positions of the reaming discs.
3. The multi-reaming anti-floating pile according to claim 2, wherein the movable part comprises sleeves and telescopic rods, the sleeves are sleeved on the central rod, the number of the sleeves corresponds to that of the second reinforcement cages one by one, and the telescopic rods are connected with all the sleeves.
4. A multi-reaming uplift pile according to claim 3, wherein the sleeve comprises a left sleeve and a right sleeve, the left sleeve and the right sleeve being fixedly connected to each other, and the telescopic rod being connected to the left sleeve and the right sleeve, respectively.
5. The multi-reaming anti-floating pile according to claim 4, wherein tooth surfaces are arranged at the joint of the left sleeve and the right sleeve, and the left sleeve and the right sleeve are meshed and fixed through the mutually matched tooth surfaces.
6. The multi-reaming uplift pile of claim 1 wherein the length of the anchored shaft of the second reinforcement cage is greater than the anchoring length.
7. The multi-reaming uplift pile according to claim 1, wherein a bottom plate is arranged at the joint of the central rod and the lower end of the cage body, the bottom plate is connected with the central rod, and the lower end of the cage body is fixedly connected with the bottom plate.
8. The multi-reaming uplift pile of claim 1 wherein the first reinforcement cage comprises longitudinal reinforcement and stirrups, the stirrups are non-helical stirrups, the stirrups are independent round stirrups, and the longitudinal reinforcement is fixedly connected with the stirrups.
9. The multi-reaming and uplift pile of claim 8 wherein said longitudinal reinforcement is of high reinforcement rate.
10. A multiple reaming uplift pile according to claim 1, characterised in that a pin connection is provided at the corner of the bars of the second reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426507.2U CN219793896U (en) | 2022-12-19 | 2022-12-19 | Repeated reaming anti-pulling pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426507.2U CN219793896U (en) | 2022-12-19 | 2022-12-19 | Repeated reaming anti-pulling pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793896U true CN219793896U (en) | 2023-10-03 |
Family
ID=88180657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223426507.2U Active CN219793896U (en) | 2022-12-19 | 2022-12-19 | Repeated reaming anti-pulling pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793896U (en) |
-
2022
- 2022-12-19 CN CN202223426507.2U patent/CN219793896U/en active Active
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