CN210887212U - Combined device for breaking pile head of bored pile foundation - Google Patents
Combined device for breaking pile head of bored pile foundation Download PDFInfo
- Publication number
- CN210887212U CN210887212U CN201921599436.1U CN201921599436U CN210887212U CN 210887212 U CN210887212 U CN 210887212U CN 201921599436 U CN201921599436 U CN 201921599436U CN 210887212 U CN210887212 U CN 210887212U
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- pile
- bored
- pile foundation
- foundation
- head
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Abstract
The utility model relates to a drilled pile foundation breaks off integrated equipment for pile head, including a plurality of vertical sleeves, its characterized in that, the sleeve pipe box is on drilled pile head's pile foundation reinforcing bar, leaves the clearance that is used for breaking away from between sleeve pipe and the pile foundation reinforcing bar, and the sheathed tube lower extreme gos deep into 10cm below the pile bolck design elevation, and the drilled pile overcoat is equipped with the fixed bolster, is fixed with a plurality of rings and rock drill on the fixed bolster, and the aircraft nose circumference equipartition of rock drill is around drilled pile, and is located drilled pile bolck design elevation department. The utility model discloses can not disturb the original pile foundation reinforcing bar of pile foundation, the drilling pile head unnecessary part is rejected the back outward appearance and is clean and tidy, saves the labour. The cost for removing the pile head of the drilled pile is low, and the mechanical construction degree is improved.
Description
Technical Field
The utility model relates to a building technical field especially relates to a drilled pile foundation breaks off combination unit for pile head.
Background
A bored pile, also called a bored pile, is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion, or manual excavation, and placing a pile foundation reinforcement cage and cast-in-place concrete therein.
The cast-in-situ bored pile has reliable quality and strong stratum adaptability, and is widely applied to high-rise building engineering; on the other hand, the cast-in-situ bored pile of the high-rise building has the characteristics of large diameter and much excess irrigation, so that the pile head breaking of the large-diameter pile foundation is always a difficult problem. The traditional breaking method has low technical content, relies on manpower to carry out rigid breaking, wastes time, labor and money, and has great damage and disturbance to the original pile foundation reinforcing steel bars of the pile foundation
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a combined device for breaking pile heads of a drilling pile foundation.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a combined device for breaking a pile head of a bored pile foundation comprises a plurality of vertical sleeves, and is characterized in that the sleeves are sleeved on pile foundation reinforcing steel bars of the bored pile head, a gap for separation is reserved between the sleeves and the pile foundation reinforcing steel bars, the lower ends of the sleeves extend into the pile top below a designed elevation by 10cm, a fixed support is sleeved outside the bored pile, a plurality of hanging rings and rock drills are fixed on the fixed support, the circumferences of machine heads of the rock drills are uniformly distributed around the bored pile and located at the designed elevation of the pile top of the bored pile;
the lifting sling comprises a lifting sling ring and a plurality of hooks matched with the lifting ring, and the hooks are fixed on the lifting sling ring.
The sleeve is a PVC pipe.
The 5cm position in sleeve pipe lower part is with the clearance of foaming glue shutoff between sleeve pipe and the pile foundation reinforcing bar to make the sealed not hourglass thick liquid of sleeve pipe lower extreme, sleeve pipe upper portion is equipped with the lid, and the lid passes through the glue that coats with glue and fixes on the sleeve pipe.
The hook is fixed on the sling ring through the hanging chain.
The foaming glue is polyurethane foaming glue.
The utility model has the advantages that: the utility model discloses can not disturb the original pile foundation reinforcing bar of pile foundation, the drilling pile head unnecessary part is rejected the back outward appearance and is clean and tidy, saves the labour. The cost for removing the pile head of the drilled pile is low, and the mechanical construction degree is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the sling;
in the figure: 1-a sleeve; 2-drilling a pile; 3-pile foundation steel bars; 4-fixing the bracket; 5-hoisting rings; 6-a rock drill; 7-lifting slings; 8-suspension grommet; 9-hanging hooks;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 2, a combined device for breaking and removing pile heads of a bored pile foundation comprises a plurality of vertical sleeves 1, and is characterized in that the sleeves 1 are sleeved on pile foundation steel bars 3 of pile heads of bored piles 2, a gap for separation is reserved between the sleeves 1 and the pile foundation steel bars 3, the lower ends of the sleeves 1 extend into the pile tops to be 10cm below the designed elevation, a fixed support 4 is sleeved outside the bored piles 2, a plurality of lifting rings 5 and rock drills 6 are fixed on the fixed support 4, the circumferences of machine heads of the rock drills 6 are uniformly distributed around the bored piles 2 and are positioned at the designed elevation of the pile tops of the bored piles 2;
the lifting sling 7 comprises a lifting sling ring 8 and a plurality of hooks 9 matched with the lifting rings 5, and the hooks 9 are fixed on the lifting sling ring 8.
The sleeve 1 is a PVC pipe.
The 5cm position in sleeve pipe 1 lower part is with the clearance between foaming glue shutoff sleeve pipe 1 and the pile foundation reinforcing bar 3 to make 1 lower extreme of sleeve pipe sealed not leak thick liquid, sleeve pipe 1 upper portion is equipped with the lid, and the lid is fixed on sleeve pipe 1 through the glue-spreading water.
The hook 9 is fixed on the sling ring 8 through a hanging chain.
The foaming glue is polyurethane foaming glue.
The utility model discloses during operation, before bored pile 2 perfusion concrete, break the position at bored pile 2 pile foundation's pile foundation reinforcing bar 3 upper portion and install sleeve pipe 1, sleeve pipe 1 is PVC tubular product, and the diameter accords with pile foundation reinforcing bar 3 and sound survey pipe diameter requirement; the PVC pipe penetrates into the pile top of the drilled pile 2 to be 10cm below the designed elevation, the PVC pipe is tightly sealed at the position 5cm below the PVC pipe after being installed by using foaming glue without leaking slurry, and the upper end of the PVC pipe is sealed by using a cover with glue at the upper part; measuring the elevation by a measurer after pile forming, drawing a marking line along the circumference of the pile body of the bored pile 2, slotting and removing along the marking line by using a hand-held concrete cutting machine to expose the PVC pipe, and manually breaking the PVC pipe; the truck crane head is fixed with a sling 7, a hook 9 of the sling 7 is used for hanging a sling 5, so that a rock drill 6 is positioned around the pile body of the drilled pile 2, the rock drill 6 punches holes at the periphery of the pile body of the drilled pile 2 along a slotting position, the pile head of the drilled pile 2 is broken by an expansion plug, the rock drill 6 is moved up by the truck crane, four holes are punched on the pile head of the drilled pile 2, reinforcing steel bars for fixing are inserted into the four holes, the rock drill 6 is placed on the ground, the hook 9 of the sling 7 is used for hanging the reinforcing steel bars for fixing, and the pile head is moved away from the drilled pile 2 by the truck crane. The utility model discloses can not disturb original pile foundation reinforcing bar 3 of pile foundation, the 2 pile heads of bored pile are unnecessary the part and are rejected the back outward appearance clean and tidy, save the labour. The pile head breaking cost of the drilled pile 2 is low, and the mechanical construction degree is improved.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. A combined device for breaking and removing pile heads of a bored pile foundation comprises a plurality of vertical sleeves (1) and is characterized in that the sleeves (1) are sleeved on pile foundation reinforcing steel bars (3) of the pile heads of bored piles (2), a gap for separation is reserved between the sleeves (1) and the pile foundation reinforcing steel bars (3), the lower ends of the sleeves (1) extend into the pile tops to be 10cm below the designed elevation, fixing supports (4) are sleeved outside the bored piles (2), a plurality of lifting rings (5) and rock drills (6) are fixed on the fixing supports (4), the circumferences of machine heads of the rock drills (6) are uniformly distributed around the bored piles (2) and are positioned at the designed elevation of the pile tops of the bored piles (2);
the lifting sling (7) comprises a lifting sling ring (8) and a plurality of hooks (9) matched with the lifting rings (5), and the hooks (9) are fixed on the lifting sling ring (8).
2. The combination unit for foundation breaking pile head of bored pile according to claim 1, characterized in that the casing (1) is PVC pipe.
3. The combination unit for removing the pile head of the bored pile foundation according to claim 1, wherein the gap between the sleeve (1) and the pile foundation reinforcing steel bar (3) is sealed by the foaming glue at the position of 5cm lower part of the sleeve (1) so that the lower end of the sleeve (1) is sealed without leaking the grout, the upper part of the sleeve (1) is provided with a cover, and the cover is fixed on the sleeve (1) by the glue.
4. The combination unit for foundation removal of bored piles according to claim 1, wherein the hook (9) is fixed to the suspension cable loop (8) by a chain.
5. The combination unit for a bored pile foundation demolition pile head according to claim 3, wherein the foam rubber is polyurethane foam rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599436.1U CN210887212U (en) | 2019-09-25 | 2019-09-25 | Combined device for breaking pile head of bored pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599436.1U CN210887212U (en) | 2019-09-25 | 2019-09-25 | Combined device for breaking pile head of bored pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210887212U true CN210887212U (en) | 2020-06-30 |
Family
ID=71330244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921599436.1U Expired - Fee Related CN210887212U (en) | 2019-09-25 | 2019-09-25 | Combined device for breaking pile head of bored pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210887212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086555A (en) * | 2021-11-25 | 2022-02-25 | 中铁三局集团有限公司 | Combined device for breaking pile head of bored pile foundation and pile head breaking construction method |
-
2019
- 2019-09-25 CN CN201921599436.1U patent/CN210887212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086555A (en) * | 2021-11-25 | 2022-02-25 | 中铁三局集团有限公司 | Combined device for breaking pile head of bored pile foundation and pile head breaking construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |