CN212801697U - Protection device of cast-in-place concrete pile detecting tube - Google Patents
Protection device of cast-in-place concrete pile detecting tube Download PDFInfo
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- CN212801697U CN212801697U CN202021605088.7U CN202021605088U CN212801697U CN 212801697 U CN212801697 U CN 212801697U CN 202021605088 U CN202021605088 U CN 202021605088U CN 212801697 U CN212801697 U CN 212801697U
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Abstract
A protection device for a concrete cast-in-place pile detection pipe comprises a reinforcement cage, a sleeve, supporting legs and reinforcing ribs; the reinforcement cage is arranged in a pile hole of the concrete cast-in-place pile; the sleeve is inserted into the reinforcement cage, and the upper end of the sleeve is not lower than the upper end of the reinforcement cage; the length of the sleeve is greater than that of the detection tube, and the diameter of the sleeve is greater than that of the detection tube; the supporting legs are arranged between the sleeve and the reinforcement cage at intervals in the vertical direction, and each group of supporting legs are arranged at intervals in the circumferential direction; one end of the supporting leg is connected with the reinforcement cage, and the other end of the supporting leg is connected with the sleeve; the reinforcing ribs are arranged in a group and are hooped outside the reinforcement cage at intervals along the vertical direction; and the lower end of the sleeve is plugged with a plug. The utility model provides an in the traditional concrete placement process, the easy technical problem that is crooked or even destroyed of test tube.
Description
Technical Field
The utility model belongs to a protection device, in particular to protection device of bored concrete pile test tube.
Background
In the traditional construction process, when the detection pipe is used for pouring concrete in the construction of the cast-in-place concrete pile, the detection pipe is very easy to be inclined or even damaged due to the gravity action of the concrete, and finally, the monitoring data is inaccurate, and the displacement condition of the support pile cannot be effectively monitored. In order to avoid the detection tube from being damaged during concrete pouring, the invention particularly discloses a protection device for the detection tube of a cast-in-place concrete pile, which is used for protecting the detection tube.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a protection device of bored concrete pile test tube will solve traditional concrete placement in-process, and the test tube technical problem crooked even is destroyed easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A protection device for a concrete cast-in-place pile detection pipe comprises a reinforcement cage, a sleeve, supporting legs and reinforcing ribs; the reinforcement cage is arranged in a pile hole of the concrete cast-in-place pile; the sleeve is inserted into the reinforcement cage, and the upper end of the sleeve is not lower than the upper end of the reinforcement cage; the length of the sleeve is greater than that of the detection tube, and the diameter of the sleeve is greater than that of the detection tube; the supporting legs are arranged between the sleeve and the reinforcement cage at intervals in the vertical direction, and each group of supporting legs are arranged at intervals in the circumferential direction; one end of the supporting leg is connected with the reinforcement cage, and the other end of the supporting leg is connected with the sleeve; the reinforcing ribs are arranged in a group and are hooped outside the reinforcement cage at intervals along the vertical direction; and the lower end of the sleeve is plugged with a plug.
Preferably, the sleeve is a galvanized steel pipe or a stainless steel pipe.
Preferably, the length of the sleeve is 5 mm-10 mm greater than that of the detection tube; the diameter of the sleeve is 2 mm-4 mm larger than that of the detection tube.
Preferably, the distance between two adjacent groups of support legs is 40-60 mm; each group of supporting legs is at least four; the supporting legs are connected with the sleeve in a welding mode; and the supporting legs are welded with the reinforcement cage.
Preferably, the distance between adjacent reinforcing ribs is 40 mm-60 mm, and the distance between the reinforcing rib at the lowest part and the lower end of the sleeve is not more than 10 mm.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model arranges the sleeve at the middle position of the reinforcement cage, firstly, the sleeve and the reinforcement cage are placed in the pile hole together, and after the concrete is poured, the sleeve and the reinforcement cage are pre-embedded in the concrete to form an installation area reserved for the installation of the detection tube; the detection tube is inserted into the sleeve after the concrete pouring is finished, so that the detection tube is prevented from being damaged due to concrete pouring.
2. The utility model discloses in the outside of steel reinforcement cage, establish the strengthening rib along vertical interval hoop, the setting up of strengthening rib has guaranteed that steel reinforcement cage can not produce the deformation at the concrete placement in-process, has further prevented that the sheathed tube position from taking place the displacement, has guaranteed the accuracy of the position of detecting tube.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a detection tube disposed in a protection device of the present invention.
Fig. 2 is a schematic plan view of the protection device of the present invention.
Reference numerals: 1-reinforcement cage, 1.1-vertical bar, 1.2-stirrup, 2-sleeve, 3-support leg, 4-reinforcing bar, 5-pile hole, 6-detection tube and 7-plug.
Detailed Description
As shown in fig. 1-2, the protection device for the concrete cast-in-place pile detection pipe comprises a reinforcement cage 1, a sleeve 2, support legs 3 and reinforcing ribs 4; the reinforcement cage 1 is arranged in a pile hole 5 of the concrete cast-in-place pile; the sleeve 2 is inserted into the reinforcement cage 1, and the upper end of the sleeve 2 is not lower than the upper end of the reinforcement cage 1; the length of the sleeve 2 is greater than that of the detection tube 6, and the diameter of the sleeve 2 is greater than that of the detection tube 6; the supporting legs 3 are arranged between the sleeve 2 and the reinforcement cage 1 at intervals in the vertical direction, and each group of supporting legs 3 is arranged at intervals in the circumferential direction; one end of the supporting leg 3 is connected with the reinforcement cage 1, and the other end of the supporting leg 3 is connected with the sleeve 2; the reinforcing ribs 4 are arranged in a group and are hooped outside the reinforcement cage 1 at intervals along the vertical direction; and a plug 7 is plugged at the lower end of the sleeve 2.
In this embodiment, the casing 2 is a galvanized steel pipe or a stainless steel pipe.
In this embodiment, the reinforcement cage 1 includes vertical bars 1.1 and stirrups 1.2; the supporting legs 3 are connected with vertical ribs 1.1 of the reinforcement cage 1.
In the embodiment, the length of the sleeve 2 is 5-10 mm greater than that of the detection tube 6; the diameter of the sleeve 2 is 2 mm-4 mm larger than that of the detection tube 6; so that the detection tube 6 can be smoothly put into the casing 2.
In this embodiment, a steel bar or a steel pipe with a moderate length is selected as the support leg 3 according to the diameter of the steel reinforcement cage 1, and the length of the support leg 3 = the radius of the steel reinforcement cage 1-the radius of the sleeve 2.
In the embodiment, the distance between two adjacent groups of supporting legs 3 is 40-60 mm; each group of supporting legs 3 is at least four; the supporting legs 3 are connected with the sleeve 2 in a welding mode; the supporting legs 3 are connected with the reinforcement cage 1 in a welding mode.
In this embodiment, the distance between adjacent reinforcing ribs 4 is 40mm to 60mm, and the distance between the lowermost reinforcing rib 4 and the lower end of the sleeve 2 is not more than 10 mm.
In this embodiment, the construction method of the protection device includes the following steps.
In step one, the sleeve 2 and leg 3 of suitable length are first prepared.
And step two, after the reinforcement cage 1 is prepared, welding the sleeve 2 on the reinforcement cage 1 by using the prepared support legs 3, and welding four support legs 3 on each welding plane every 50 centimeters from top to bottom so that the sleeve 2 is positioned at the central part of the reinforcement cage 1.
And step three, after welding is finished, the lower end of the sleeve 2 is plugged by a plug 7, and the upper end of the sleeve 2 is covered by a temporary cap, so that the sleeve 2 is prevented from being plugged by concrete when concrete is poured.
Hoisting the welded reinforcement cage 1 into the rotary drilled pile hole, and finally pouring concrete; when concrete is poured, the sleeve 2 is poured in the concrete, an installation position is provided for the detection tube 6, and the situation that the detection tube 6 is placed in the concrete directly when the concrete is poured and is inclined or even damaged due to concrete impact when the concrete is poured is avoided.
And step five, after the concrete strength is initially formed, taking down a cover cap at the upper end of the sleeve 2, putting the detection pipe 6 into the sleeve 2, and filling cement mortar into the sleeve.
Claims (5)
1. The utility model provides a protection device of bored concrete pile test tube which characterized in that: comprises a reinforcement cage (1), a sleeve (2), supporting legs (3) and reinforcing ribs (4); the reinforcement cage (1) is arranged in a pile hole (5) of the concrete cast-in-place pile; the sleeve (2) is inserted into the reinforcement cage (1), and the upper end of the sleeve (2) is not lower than the upper end of the reinforcement cage (1); the length of the sleeve (2) is greater than that of the detection tube (6), and the diameter of the sleeve (2) is greater than that of the detection tube (6); the supporting legs (3) are arranged between the sleeve (2) and the reinforcement cage (1) at intervals along the vertical direction, and each group of supporting legs (3) are arranged at intervals along the circumferential direction; one end of each supporting leg (3) is connected with the steel reinforcement cage (1), and the other end of each supporting leg (3) is connected with the sleeve (2); the reinforcing ribs (4) are provided with a group and are hooped outside the reinforcement cage (1) at intervals along the vertical direction; and a plug (7) is plugged at the lower end of the sleeve (2).
2. The protection device for the concrete cast-in-place pile detection pipe according to claim 1, characterized in that: the sleeve (2) is a galvanized steel pipe or a stainless steel pipe.
3. The protection device for the concrete cast-in-place pile detection pipe according to claim 1, characterized in that: the length of the sleeve (2) is 5-10 mm greater than that of the detection tube (6); the diameter of the sleeve (2) is 2 mm-4 mm larger than that of the detection tube (6).
4. The protection device for the concrete cast-in-place pile detection pipe according to claim 1, characterized in that: the distance between two adjacent groups of supporting legs (3) is 40-60 mm; each group of supporting legs (3) is at least four; the supporting legs (3) are connected with the sleeve (2) in a welding mode; the supporting legs (3) are connected with the reinforcement cage (1) in a welding mode.
5. The protection device for the concrete cast-in-place pile detection pipe according to claim 1, characterized in that: the distance between adjacent reinforcing ribs (4) is 40 mm-60 mm, and the distance between the reinforcing rib (4) at the lowest part and the lower end of the sleeve (2) is not more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021605088.7U CN212801697U (en) | 2020-08-05 | 2020-08-05 | Protection device of cast-in-place concrete pile detecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021605088.7U CN212801697U (en) | 2020-08-05 | 2020-08-05 | Protection device of cast-in-place concrete pile detecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212801697U true CN212801697U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021605088.7U Active CN212801697U (en) | 2020-08-05 | 2020-08-05 | Protection device of cast-in-place concrete pile detecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212801697U (en) |
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2020
- 2020-08-05 CN CN202021605088.7U patent/CN212801697U/en active Active
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