CN212153380U - Device for effectively improving pile head breaking efficiency of cast-in-situ bored pile - Google Patents
Device for effectively improving pile head breaking efficiency of cast-in-situ bored pile Download PDFInfo
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- CN212153380U CN212153380U CN202020379950.0U CN202020379950U CN212153380U CN 212153380 U CN212153380 U CN 212153380U CN 202020379950 U CN202020379950 U CN 202020379950U CN 212153380 U CN212153380 U CN 212153380U
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Abstract
The utility model discloses an effectively improve device of bored concrete pile head demolishs efficiency, including can the level place in the intraoral steel ring in bored concrete pile hole, be located lower cement board, the equipartition of steel ring lower surface in steel ring outer wall nut all around and with the lower threaded dead lever of nut looks adaptation, the equipartition has the hole that a plurality of can supply to wear to establish the reinforcing bar of bored concrete pile on steel ring and the lower cement board. The utility model provides a pair of effectively improve device of drilling bored concrete pile head demolishs efficiency, breaks the cement slab earlier at the demolishment in-process and breaks the bored concrete pile of steel ring internal diameter size again, and the device's construction is simple, easy to operate, can break the concrete pile head easily, and reducible area of breaking the pile head exceeds 50%, can increase the efficiency of construction greatly.
Description
Technical Field
The utility model relates to a bored concrete pile head breaks device especially relates to an effectively improve device that drilling bored concrete pile head broke efficiency.
Background
In the field of construction engineering, the treatment of the foundation is usually in the form of cast-in-place bored piles. During the bored concrete pile construction, can reserve certain filling height, the part that this part is higher often is the laitance portion, treats after the pouring construction is accomplished that the concrete reaches certain intensity, breaks its pile head. However, in the case of a large number of cast-in-place piles, pile head removal is time-consuming and labor-consuming.
Thus, there is a need to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing an easy operation, low cost and partial repeatedly usable's device that effectively improves drilling bored concrete pile head and abolishes efficiency.
The technical scheme is as follows: for the purpose of realizing above, the utility model discloses an effectively improve device of drilling bored concrete pile head demolishs efficiency, its characterized in that: including can the level place in the intraoral steel ring in bored concrete pile hole, be located lower cement board of steel ring lower surface, equipartition in steel ring outer wall nut all around and with the lower extreme threaded dead lever of nut looks adaptation, the equipartition has the hole that a plurality of can supply to wear to establish the reinforcing bar of bored concrete pile on steel ring and the lower cement board.
The upper surface of the steel ring is provided with an upper cement plate, and a plurality of holes for penetrating through the steel bars of the cast-in-place pile are uniformly distributed at the corresponding positions of the upper cement plate.
Preferably, the upper cement board and the lower cement board are both low-strength cement boards.
Moreover, the number of the holes is the same as that of the steel bars of the cast-in-place pile.
Furthermore, the inner diameter of the steel circular ring is 1/2-2/3 of the outer diameter.
Preferably, the lower cement plate in the opening of the cast-in-place pile is flush with the boundary of the pre-broken pile head.
Furthermore, the fixed rod is an L-shaped rod, and one end of the L-shaped rod can be erected at the opening of the filling pile.
When the cast-in-situ bored pile is cast to a required position, the required position is the position where the boundary line of the pile head is pre-broken; the lower end of a fixed rod is screwed into a nut, and then the device of the utility model is put into a hole, wherein the fixed rod is an L-shaped rod, the length of the L-shaped rod is the height of the pile head to be broken, and the short end of the fixed rod is erected on the hole; the reinforcing steel bar of the cast-in-place pile sequentially passes through the lower cement plate, the steel ring and the upper cement plate, concrete is continuously cast, the ring hole of the new steel ring of the concrete flows downwards to be integrated with the cast-in-place pile cast before, when the cast-in-place construction is finished and the cast-in-place pile reaches a certain strength, the soil is excavated until the boundary line of the pile head is pre-broken, the surface of the device is exposed, the lower cement plate is firstly broken at the moment, and the cast-in-place pile head is cut off by a tool after the cast-in-place pile is exposed; the upper cement plate is broken, so that the steel circular ring and the cast-in-place pile head can be separated, the concrete in the steel circular ring is removed, the steel circular ring can be repeatedly utilized for many times, and the cost is saved; in the process of breaking the pile head, only the concrete pile in the steel circular ring needs to be chiseled, and the inner diameter of the steel circular ring is 1/2-2/3 of the outer diameter, so that the area of breaking the pile head can be reduced by at least 50%.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of effectively improve device of drilling bored concrete pile head demolishs efficiency, breaks the cement slab earlier at the demolishment in-process and breaks the bored concrete pile of steel ring internal diameter size again, and the device's construction is simple, easy to operate, can break the concrete pile head easily, and reducible area of breaking the pile head exceeds 50%, can increase the efficiency of construction greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the fixing rod of the present invention;
fig. 4 is the structure diagram of the utility model under the construction state.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model relates to an effectively improve device of bored concrete pile head demolishs efficiency, including steel ring 1, lower cement board 2, nut 3, dead lever 4 and last cement board 5. The inner diameter of the steel ring 1 is 1/2-2/3 of the outer diameter. The lower cement plate 2 and the upper cement plate 5 are respectively positioned on the lower surface and the upper surface of the steel circular ring 1, and the upper cement plate 3 and the lower cement plate 5 are both low-strength cement plates. A plurality of holes for penetrating the steel bars of the cast-in-place pile are uniformly distributed on the steel circular ring 1, the lower cement plate 2 and the upper cement plate 5, and the number of the holes is the same as that of the steel bars of the cast-in-place pile; when in use, the steel ring 1 is horizontally placed in a bored concrete pile hole, the lower cement plate is positioned below, and the lower cement plate 2 positioned in the bored concrete pile hole is parallel and level to the boundary of the pre-broken pile head. Nut 3 equipartition is around 1 outer wall of steel ring, and dead lever 4 is L type pole, and the lower extreme of dead lever 4 has the screw thread with 3 looks adaptations of nut, and in dead lever 4 can twist nut 3, the one end of L type pole can erect at the bored concrete pile entrance to a cave, as shown in fig. 3.
As shown in fig. 4, when the cast-in-situ bored pile of the present invention is poured with concrete to a desired position, the desired position is the position where the boundary line of the pile head is to be broken; the lower end of a fixed rod is screwed into a nut, and then the device of the utility model is put into a hole, wherein the fixed rod is an L-shaped rod, the length of the L-shaped rod is the height of the pile head to be broken, and the short end of the fixed rod is erected on the hole; the reinforcing steel bar of the cast-in-place pile sequentially passes through the lower cement plate, the steel ring and the upper cement plate, concrete is continuously cast, the ring hole of the new steel ring of the concrete flows downwards to be integrated with the cast-in-place pile cast before, when the cast-in-place construction is finished and the cast-in-place pile reaches a certain strength, the soil is excavated until the boundary line of the pile head is pre-broken, the surface of the device is exposed, the lower cement plate is firstly broken at the moment, and the cast-in-place pile head is cut off by a tool after the cast-in-place pile is exposed; the upper cement plate is broken, so that the steel circular ring and the cast-in-place pile head can be separated, the concrete in the steel circular ring is removed, the steel circular ring can be repeatedly utilized for many times, and the cost is saved; in the process of breaking the pile head, only the concrete pile in the steel circular ring needs to be chiseled, and the inner diameter of the steel circular ring is 1/2-2/3 of the outer diameter, so that the area of breaking the pile head can be reduced by at least 50%.
Claims (7)
1. The utility model provides an effectively improve device of drilling bored concrete pile head demolishs efficiency which characterized in that: including can the level place in intraoral steel ring (1) in bored concrete pile hole, be located lower cement slab (2) of steel ring lower surface, equipartition in steel ring outer wall nut (3) all around and with lower terminal threaded dead lever (4) of nut looks adaptation, the equipartition has the hole that a plurality of can supply to wear to establish the reinforcing bar of bored concrete pile on steel ring (1) and lower cement slab (2).
2. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 1, wherein: the upper surface of the steel ring is provided with an upper cement plate (5), and a plurality of holes for penetrating through the steel bars of the cast-in-place pile are uniformly distributed at the corresponding positions of the upper cement plate.
3. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 2, wherein: the upper cement board (5) and the lower cement board (2) are both low-strength cement boards.
4. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 1 or 2, wherein: the number of the holes is the same as that of the steel bars of the cast-in-place pile.
5. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 1, wherein: the inner diameter of the steel ring (1) is 1/2-2/3 of the outer diameter.
6. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 1, wherein: the lower cement plate (2) positioned in the opening of the cast-in-place pile is level with the boundary of the pre-broken pile head.
7. The device for effectively improving the pile head breaking efficiency of the cast-in-situ bored pile according to claim 1, wherein: the fixing rod (4) is an L-shaped rod, and one end of the L-shaped rod can be erected at the opening of the filling pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379950.0U CN212153380U (en) | 2020-03-23 | 2020-03-23 | Device for effectively improving pile head breaking efficiency of cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379950.0U CN212153380U (en) | 2020-03-23 | 2020-03-23 | Device for effectively improving pile head breaking efficiency of cast-in-situ bored pile |
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| Publication Number | Publication Date |
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| CN212153380U true CN212153380U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020379950.0U Active CN212153380U (en) | 2020-03-23 | 2020-03-23 | Device for effectively improving pile head breaking efficiency of cast-in-situ bored pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882378A (en) * | 2021-10-07 | 2022-01-04 | 中国冶金地质总局青岛地质勘查院 | Device for breaking residual pile head after static splitting and using method |
-
2020
- 2020-03-23 CN CN202020379950.0U patent/CN212153380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882378A (en) * | 2021-10-07 | 2022-01-04 | 中国冶金地质总局青岛地质勘查院 | Device for breaking residual pile head after static splitting and using method |
| CN113882378B (en) * | 2021-10-07 | 2022-10-04 | 中国冶金地质总局青岛地质勘查院 | Device for breaking residual pile head after static splitting and using method |
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