CN215562600U - Lattice column bored concrete pile steel column positioner - Google Patents
Lattice column bored concrete pile steel column positioner Download PDFInfo
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- CN215562600U CN215562600U CN202122016028.2U CN202122016028U CN215562600U CN 215562600 U CN215562600 U CN 215562600U CN 202122016028 U CN202122016028 U CN 202122016028U CN 215562600 U CN215562600 U CN 215562600U
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Abstract
The utility model provides a lattice column cast-in-situ bored pile steel column positioning device, and belongs to the technical field of building construction. The utility model utilizes the inner reinforcing ribs and the outer reinforcing ribs to be welded with the vertical main reinforcements of the reinforcement cage, the lower surfaces of the outer reinforcing ribs are provided with the protective layer cushion blocks, and the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are utilized to realize the reliable connection of the lattice columns and the reinforcement cage. The utility model can position and install the lattice column and the reinforcement cage together in advance, complete the operation by one-time hoisting during site construction, and does not need to adjust the position of the lattice column in real time during hoisting, thereby not only effectively solving the positioning problem of the upper end of the lattice column of the cast-in-place pile, ensuring the pile forming quality of the cast-in-place pile, but also being convenient for site quality management, greatly improving the construction efficiency and having certain practical value.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a steel column positioning device for a lattice column cast-in-situ bored pile.
Background
The construction of the combined structure of the inner support cast-in-place pile and the lattice column is an energy-saving and environment-friendly construction process which is gradually popularized in the national building industry at present, namely, according to the requirements of a foundation pit supporting drawing and an upper structure design drawing, the lower part of a foundation bottom plate adopts a cast-in-place pile form, the upper part of the bottom plate adopts a steel structure lattice column as an inner support beam column, the lattice column bears the load of the upper support beam, the independent height can reach 13-20m, and the combined structure can be used in a turnover mode.
In the conventional construction process, the lower part of the lattice column is required to be inserted into a filling pile reinforcement cage for 3 meters, a guide pipe is arranged in the lattice column during pouring, and the pouring process is consistent with that of underwater concrete. The existing construction process is not provided with a corresponding positioning device, a steel reinforcement cage is arranged below a lattice column bored concrete pile after mechanical pore-forming is adopted, after lower cast-in-place pile concrete is poured to an elevation, a crane hoists the lattice column to a position about 3m inside the cast-in-place pile, and the hoisting of the lattice column is in place and is completely centered and checked by operators on the upper part of an orifice.
Therefore, in the conventional process flow, the embedded depth and the fixation of the lattice column cast-in-place pile have no effective measures, the experience of field operating personnel and the cooperation tacit degree of a crane driver are all relied on, the field management and command coordination difficulty is high, in addition, the lattice column can swing in the lowering process of the lattice column, if no reliable fixing measures are adopted, the non-perpendicularity of a reinforcement cage and the lattice column and the overlarge deviation of the upper end of the lattice column are easily caused, the pile forming quality is directly influenced, the great influence can be brought to the subsequent construction, even the scrapping can be caused, and the subsequent treatment cost is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the lattice column cast-in-situ pile steel column positioning device, which can be used for positioning and mounting the lattice column and the reinforcement cage in advance, can realize one-time hoisting operation, does not need to adjust the position of the lattice column in real time in the hoisting process, effectively solves the problem of positioning the upper end of the lattice column and can also improve the construction efficiency.
The present invention achieves the above-described object by the following technical means.
A steel column positioning device for a lattice column cast-in-situ bored pile comprises an inner reinforcing rib and an outer reinforcing rib which are welded with a main reinforcement of a steel reinforcement cage, wherein a plurality of protective layer cushion blocks are uniformly arranged on the lower surface of the outer reinforcing rib at intervals; the steel bar cage is characterized by further comprising transverse reinforcing steel bars and longitudinal reinforcing steel bars which are welded around the lattice column in a staggered mode and form a groined structure, the lattice column is installed in the steel bar cage, and the parts, extending out of the lattice column, of the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are fixedly welded with the inner reinforcing ribs and the outer reinforcing ribs respectively.
Furthermore, the through hole has been seted up to the central point department of putting of protective layer cushion, and a plurality of arc reinforcing bars have been welded to outer strengthening rib lower surface interval uniformly, all install a protective layer cushion on every arc reinforcing bar.
Further, the protective layer cushion block is of a circular structure, has the diameter of 100mm and is made of concrete through pouring.
Furthermore, the shapes of the inner reinforcing rib and the outer reinforcing rib are matched with the reinforcing cage, the inner reinforcing rib is welded on the inner side of the main rib, and the outer reinforcing rib is welded on the outer side of the main rib.
Furthermore, the inner reinforcing ribs and the outer reinforcing ribs are made of reinforcing steel bars with the diameter of 20 mm.
Furthermore, the inner reinforcing ribs and the outer reinforcing ribs are made of reinforcing steel bars with the diameter of 22 mm.
Further, the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are made of threaded steel bars with the diameter of 20-25 mm.
Further, the number of the protective layer cushion blocks is more than or equal to four.
The utility model has the following beneficial effects:
compared with the prior art, the lattice column and the reinforcement cage are positioned and installed in advance by using the method, and the operation can be completed by one-time hoisting during site construction, so that the problem of positioning the upper end of the lattice column of the cast-in-place pile can be effectively solved, the pile forming quality of the cast-in-place pile is ensured, the requirements of positioning, verticality, elevation and the like of the lattice column are met, the site quality management is facilitated, the construction efficiency is greatly improved, and the method has certain practical value.
Drawings
FIG. 1 is a schematic view of the installation of a lattice column according to the present invention;
FIG. 2 is a top view of the positioning device of the present invention;
FIG. 3 is a schematic view of the installation of the protective layer cushion block according to the present invention.
In the figure: 1-lattice column; 2-a reinforcement cage; 3-inner reinforcing ribs; 4-external reinforcing ribs; 5-transverse reinforcing steel bars; 6-longitudinal reinforcing steel bars; 7-protective layer cushion blocks; 8-arc-shaped steel bars; 9-main reinforcement.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, but the scope of the utility model is not limited thereto.
As shown in fig. 2, the positioning device of the present invention includes an inner reinforcing rib 3, an outer reinforcing rib 4, a transverse reinforcing bar 5, a longitudinal reinforcing bar 6, and a protective layer spacer 7.
The shapes of the inner reinforcing rib 3 and the outer reinforcing rib 4 are matched with the reinforcing cage 2, the reinforcing cage is circular in the embodiment, and the inner reinforcing rib and the outer reinforcing rib are both made of reinforcing steel bars with the diameter of 20mm or 22 mm; the transverse reinforcing steel bars 5 and the longitudinal reinforcing steel bars 6 are made of twisted steel bars with the diameter of 20-25 mm; the protective layer cushion block 7 is of a circular structure, has the diameter of 100mm, is made of concrete by pouring, and is provided with a through hole at the central position.
As shown in fig. 1 and 2, the inner reinforcing rib 3 is welded on the inner side of the main reinforcement 9 of the reinforcement cage 2, and the outer reinforcing rib 4 is welded on the outer side of the main reinforcement 9 of the reinforcement cage 2; as shown in fig. 3, a plurality of arc-shaped reinforcing steel bars 8 are uniformly welded on the lower surface of the outer reinforcing rib 4 at intervals, a protective layer cushion block 7 is installed on each arc-shaped reinforcing steel bar 8, and the protective layer cushion block 7 is installed on the arc-shaped reinforcing steel bar 8 through a through hole formed in the protective layer cushion block 7.
As shown in fig. 1 and 2, the lattice column 1 is installed in the reinforcement cage 2, the transverse reinforcing steel bars 5 and the longitudinal reinforcing steel bars 6 are welded around the lattice column 1 in a staggered manner to form a # -shaped structure, and the parts of the transverse reinforcing steel bars 5 and the longitudinal reinforcing steel bars 6 extending out of the lattice column 1 are welded and fixed with the inner reinforcing ribs 3 and the outer reinforcing ribs 4 respectively, so that the stability of connection between the lattice column 1 and the reinforcement cage 2 can be further ensured.
In the traditional work progress, 1 drilling bored concrete pile of lattice column adopts machinery behind the pore-forming, sets up steel reinforcement cage 2 down, then pours lower part bored concrete pile concrete to the elevation after, utilizes the crane to hoist 1 hoisting of lattice column to about 3 m's position department in the bored concrete pile. When the positioning device is used for construction, firstly, the lattice column 1 is hoisted to the position of the 3m elevation line of the steel reinforcement cage 2 by using a crane, then the lattice column 1 and the steel reinforcement cage 2 are reliably connected together by using the positioning device, the position of the lattice column 1 is fixed in advance, the site hoisting is completed at one time, the position of the lattice column 1 does not need to be adjusted in real time in the hoisting process, the construction is convenient, the time for forming, hoisting and pouring is shortened, the difficulties of lattice column steel column pile construction, deviation and the like are solved, and the pile forming quality of the lattice column cast-in-place pile is improved.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. A steel column positioning device for a lattice column cast-in-situ bored pile is characterized by comprising an inner reinforcing rib (3) and an outer reinforcing rib (4) which are welded with a main rib (9) of a reinforcement cage (2), wherein a plurality of protective layer cushion blocks (7) are uniformly arranged on the lower surface of the outer reinforcing rib (4) at intervals; still including crisscross welding horizontal reinforcing bar (5) and vertical reinforcing bar (6) that just form groined type structure around lattice column (1), install in steel reinforcement cage (2) lattice column (1), horizontal reinforcing bar (5), the part that vertical reinforcing bar (6) stretch out lattice column (1) are equallyd divide and are do not welded fastening with interior stiffening rib (3), outer stiffening rib (4).
2. The lattice column bored pile steel column positioning device according to claim 1, wherein a through hole is formed in a central position of the protective layer cushion block (7), a plurality of arc-shaped reinforcing steel bars (8) are welded to the lower surface of the outer reinforcing rib (4) at regular intervals, and one protective layer cushion block (7) is mounted on each arc-shaped reinforcing steel bar (8).
3. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 1, wherein the protective layer spacer (7) has a circular structure with a diameter of 100mm and is made of concrete by casting.
4. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 1, wherein the inner reinforcement ribs (3) and the outer reinforcement ribs (4) are matched in shape with the reinforcement cage (2), the inner reinforcement ribs (3) are welded on the inner side of the main reinforcement (9), and the outer reinforcement ribs (4) are welded on the outer side of the main reinforcement (9).
5. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 4, wherein the inner reinforcement rib (3) and the outer reinforcement rib (4) are made of steel bars with a diameter of 20 mm.
6. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 4, wherein the inner reinforcement rib (3) and the outer reinforcement rib (4) are made of steel bars with a diameter of 22 mm.
7. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 1, wherein the transverse reinforcing steel bars (5) and the longitudinal reinforcing steel bars (6) are made of threaded steel bars with a diameter of 20-25 mm.
8. The device for positioning the steel column of the lattice column cast-in-situ bored pile according to claim 1, wherein the number of the protective layer spacer blocks (7) is four or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122016028.2U CN215562600U (en) | 2021-08-25 | 2021-08-25 | Lattice column bored concrete pile steel column positioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122016028.2U CN215562600U (en) | 2021-08-25 | 2021-08-25 | Lattice column bored concrete pile steel column positioner |
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| CN215562600U true CN215562600U (en) | 2022-01-18 |
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| CN202122016028.2U Active CN215562600U (en) | 2021-08-25 | 2021-08-25 | Lattice column bored concrete pile steel column positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703862A (en) * | 2022-03-30 | 2022-07-05 | 中交(南京)建设有限公司 | Vertical and rapid positioning device for mounting latticed column and mounting and positioning method |
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2021
- 2021-08-25 CN CN202122016028.2U patent/CN215562600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703862A (en) * | 2022-03-30 | 2022-07-05 | 中交(南京)建设有限公司 | Vertical and rapid positioning device for mounting latticed column and mounting and positioning method |
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