CN216664134U - Anti-floating cage device for bridge pile foundation concrete pouring - Google Patents
Anti-floating cage device for bridge pile foundation concrete pouring Download PDFInfo
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- CN216664134U CN216664134U CN202122956046.9U CN202122956046U CN216664134U CN 216664134 U CN216664134 U CN 216664134U CN 202122956046 U CN202122956046 U CN 202122956046U CN 216664134 U CN216664134 U CN 216664134U
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Abstract
The utility model discloses a bridge pile foundation concrete pouring anti-floating cage device, and relates to the technical field of pile foundation concrete pouring. Comprises a spring, a bottom sealing steel pipe, a hollow steel pipe, an I-shaped pull rod and a semicircular cross steel pipe; the semicircular cross-shaped steel pipe is positioned above the hollow steel pipe; the semicircular cross-shaped steel pipe is connected with the hollow steel pipe through a spring; one side of the hollow steel pipe is hinged with one side of the bottom sealing steel pipe; one end of the I-shaped pull rod is hinged with the semicircular cross-shaped steel pipe, and the other end of the I-shaped pull rod is hinged with the side wall of the middle part of the bottom-sealing steel pipe; the semicircular cross-shaped steel pipe is fixed at the cross position of the longitudinal main reinforcement and the stirrup of the reinforcement cage or the cross position of the longitudinal main reinforcement and the internal reinforcing rib of the reinforcement cage; the hollow steel pipe is sleeved outside the longitudinal main reinforcement of the reinforcement cage below the semicircular cross-shaped steel pipe; the bottom sealing steel pipe is arranged obliquely upwards in a natural state. According to the utility model, the elastically-arranged bottom-sealing steel pipe is clamped on the wall of the pile foundation hole, so that the problem of upward floating of the reinforcement cage is effectively solved under the condition of not influencing normal pouring.
Description
Technical Field
The utility model relates to the technical field of pile foundation concrete pouring, in particular to a bridge pile foundation concrete pouring anti-floating cage device.
Background
In the prior art, a method for reducing the pouring speed of concrete so as to ensure that a reinforcement cage does not float upwards is mostly adopted for a cast-in-place concrete pile foundation floating prevention cage of a road and bridge project and the like. Especially, the steel reinforcement cage that many drilling bored concrete piles of many bridge pile foundations at present designed all is half-cage (the cage is several meters or tens meters short than the pile body), and when the concrete face contacted steel reinforcement cage, if continue quick concreting, the steel reinforcement cage wholly floats under the impact of the concrete that floods up. Because the concrete is poured for a long time and the surface concrete is nearly initially set to form a hard shell, the concrete and the reinforcement cage have certain bond stress, the concrete is lifted upwards at a certain speed after the guide pipe is turned out, and the jacking force of the concrete is increased so as to drive the reinforcement cage to move upwards. How to accomplish the concrete placement operation fast at the bridge pile foundation and reduce the condition of pile foundation floating cage simultaneously, present correlation technique fails to provide convenient quick effectual solution.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a bridge pile foundation concrete pouring anti-floating cage device to solve the problems.
In order to achieve the purpose, the utility model provides a bridge pile foundation concrete pouring anti-floating cage device, which comprises a spring, a bottom sealing steel pipe, a hollow steel pipe, an I-shaped pull rod and a semicircular cross steel pipe, wherein the spring is arranged on the bottom sealing steel pipe; the semicircular cross-shaped steel pipe is positioned above the hollow steel pipe; the semicircular cross-shaped steel pipe is connected with the hollow steel pipe through a spring; one side of the hollow steel pipe is hinged with one side of the bottom sealing steel pipe; one end of the I-shaped pull rod is hinged with the semicircular cross-shaped steel pipe, and the other end of the I-shaped pull rod is hinged with the side wall of the middle part of the bottom-sealing steel pipe; the semicircular cross-shaped steel pipe is fixed at the cross position of the longitudinal main reinforcement of the reinforcement cage and the stirrup or the cross position of the longitudinal main reinforcement of the reinforcement cage and the internal reinforcing rib; the hollow steel pipe is sleeved outside the longitudinal main reinforcement of the reinforcement cage below the semicircular cross-shaped steel pipe; the bottom sealing steel pipe is arranged obliquely upwards in a natural state.
Further, bolt holes are formed in four corners of the semicircular cross-shaped steel pipe in pairs; and the semicircular cross-shaped steel pipe is inserted into the bolt hole through a U-shaped bolt and fixed on the reinforcement cage.
Further, a first hinge lug is arranged at the bottom of the side wall of the bottom sealing steel pipe; the middle part of the side wall of the bottom sealing steel pipe is provided with a second hinge lug; the side wall of the semicircular cross-shaped steel pipe is provided with a third hinge lug; the side wall of the hollow steel pipe is provided with a fourth hinge lug; the first hinge lug and the fourth hinge lug are hinged through a common bolt; one end of the I-shaped pull rod is hinged with the third hinge lug, and the other end of the I-shaped pull rod is hinged with the second hinge lug.
Further, a first connecting shaft is arranged below the third hinge lug; a second connecting shaft is arranged above the fourth hinge lug; one end of the spring is connected with the first connecting shaft, and the other end of the spring is connected with the second connecting shaft.
Furthermore, the top of the back cover steel pipe is open, and the bottom is closed; and reinforcing steel bars are inserted into the bottom sealing steel pipes.
Furthermore, the steel bars are welded in the bottom sealing steel pipe.
According to the utility model, the plurality of anti-floating cage devices are arranged on the steel reinforcement cage, and the back cover steel pipe which is elastically arranged is clamped on the wall of the pile foundation hole, so that the steel reinforcement cage is prevented from floating upwards, and the problem of floating upwards of the steel reinforcement cage is effectively solved under the condition of not influencing normal pouring.
Drawings
FIG. 1 is a perspective view of a device for pouring concrete into a bridge pile foundation to form an anti-floating cage according to the present invention;
fig. 2 is an explosion diagram of the device for pouring the concrete of the bridge pile foundation into the anti-floating cage.
In the figure: 1-a semicircular cross steel pipe; 2-U-shaped bolt; 3-a spring; 4-an I-shaped pull rod; 5-hollow steel pipe; 6-bottom sealing steel pipe; 7-common bolt; 11-bolt holes; 12-a first connecting shaft; 13-a third hinge ear; 51-a second connecting shaft; 52-fourth hinge ear; 61-a first hinge ear; 62-second hinge ear.
Detailed Description
To achieve the above objects and advantages, the present invention provides a technical means and a structure thereof, which are described in detail with reference to the accompanying drawings.
As shown in attached figures 1-2, the utility model provides a bridge pile foundation concrete pouring anti-floating cage device, which comprises a spring 3, a bottom sealing steel pipe 6, a hollow steel pipe 5, an I-shaped pull rod 4 and a semicircular cross-shaped steel pipe 1; the semicircular cross-shaped steel pipe 1 is positioned above the hollow steel pipe 5; the semicircular cross-shaped steel pipe 1 is connected with the hollow steel pipe 5 through a spring 3; one side of the hollow steel pipe 5 is hinged with one side of the bottom sealing steel pipe 6; one end of the I-shaped pull rod 4 is hinged with the semicircular cross-shaped steel pipe 1, and the other end of the I-shaped pull rod is hinged with the side wall of the middle part of the bottom-sealing steel pipe 6; the semicircular cross-shaped steel pipe 1 is fixed at the cross position of a longitudinal main rib and a stirrup of the reinforcement cage or the cross position of the longitudinal main rib and an internal reinforcing rib of the reinforcement cage; the hollow steel pipe 5 is sleeved outside the longitudinal main reinforcement of the reinforcement cage below the semicircular cross-shaped steel pipe; the bottom sealing steel pipe 6 is arranged obliquely upwards in a natural state.
In another embodiment, bolt holes 11 are formed in pairs at four corners of the semicircular cross-shaped steel pipe 1; the semicircular cross-shaped steel pipe 1 is inserted into the bolt hole 11 through the U-shaped bolt 2 to fix the semicircular cross-shaped steel pipe 1 on the reinforcement cage. The loose joint mode improves the assembly uniformity and is convenient for field installation.
In another embodiment, the bottom of the side wall of the back cover steel pipe 6 is provided with a first hinge lug 61; the middle part of the side wall of the bottom sealing steel pipe 6 is provided with a second hinge lug 62; the side wall of the semicircular cross-shaped steel pipe 1 is provided with a third hinge lug 13; the side wall of the hollow steel pipe 5 is provided with a fourth hinge lug 52; the first hinge lug 61 and the fourth hinge lug 52 are rotatably connected through a common bolt 7; one end of the I-shaped pull rod 4 is rotatably connected with the third hinge lug 13, and the other end is rotatably connected with the second hinge lug 62.
In another embodiment, a first connecting shaft 12 is arranged below the third hinge lug 13; a second connecting shaft 51 is arranged above the fourth hinge lug 52; one end of the spring 3 is connected with the first connecting shaft 12, and the other end is connected with the second connecting shaft 51. Preventing the spring 3 from interfering with the reinforcement cage.
In another embodiment, the bottom-sealed steel tube 6 is open at the top and closed at the bottom; according to the distance between the steel reinforcement cage and the pile foundation hole, the steel reinforcement is inserted in the bottom sealing steel pipe 6 to increase the length of the bottom sealing steel pipe, and effective clamping force is provided.
In another embodiment, steel bars are welded in the back cover steel pipe 6 to improve the connection strength.
When the semi-circular cross-shaped steel pipe 1 is used, the hollow steel pipe 5 is sleeved outside the longitudinal main reinforcement of the reinforcement cage, and the semi-circular cross-shaped steel pipe 1 is fixed at the cross of the longitudinal main reinforcement of the reinforcement cage and the stirrup or the cross of the longitudinal main reinforcement of the reinforcement cage and the internal reinforcing rib; after installation, the bottom-sealed steel pipe 6 is arranged in an inclined upward manner in a natural state. Uniformly installing a plurality of anti-floating cage devices on the side wall of the reinforcement cage according to the method; when the steel reinforcement cage is placed in the pile foundation hole, the bottom-sealed steel pipe 6 converges towards the direction of the steel reinforcement cage when contacting the hole wall of the pile foundation hole due to the elastic action of the spring, and the spring 3 is stretched; when the steel reinforcement cage reaches the bottom of the pile foundation hole, the top of the bottom-sealing steel pipe 6 is clamped on the wall of the pile foundation hole due to the tensile force of the spring 3, so that the steel reinforcement cage is prevented from floating upwards when concrete is poured.
The above description is only a preferred embodiment of the present invention, and not all embodiments, and all structural changes made under the teaching of the present invention should be understood as belonging to the protection scope of the present invention.
Claims (6)
1. The device for pouring the bridge pile foundation concrete to prevent the floating cage is characterized by comprising a spring, a bottom sealing steel pipe, a hollow steel pipe, an I-shaped pull rod and a semicircular cross steel pipe; the semicircular cross-shaped steel pipe is positioned above the hollow steel pipe; the semicircular cross-shaped steel pipe is connected with the hollow steel pipe through a spring; one side of the hollow steel pipe is hinged with one side of the bottom sealing steel pipe; one end of the I-shaped pull rod is hinged with the semicircular cross-shaped steel pipe, and the other end of the I-shaped pull rod is hinged with the side wall of the middle part of the bottom-sealing steel pipe; the semicircular cross-shaped steel pipe is fixed at the cross position of the longitudinal main reinforcement of the reinforcement cage and the stirrup or the cross position of the longitudinal main reinforcement of the reinforcement cage and the internal reinforcing rib; the hollow steel pipe is sleeved outside the longitudinal main reinforcement of the reinforcement cage below the semicircular cross-shaped steel pipe; the bottom sealing steel pipe is arranged obliquely upwards in a natural state.
2. The device for pouring the concrete for the pile foundation of the bridge according to claim 1, wherein bolt holes are formed in four corners of the semicircular cross-shaped steel pipe in pairs; and the semicircular cross-shaped steel pipe is inserted into the bolt hole through a U-shaped bolt and fixed on the reinforcement cage.
3. The bridge pile foundation concrete pouring anti-floating cage device as claimed in claim 1 or 2, wherein the bottom of the side wall of the bottom-sealing steel tube is provided with a first hinge lug; the middle part of the side wall of the bottom sealing steel pipe is provided with a second hinge lug; the side wall of the semicircular cross-shaped steel pipe is provided with a third hinge lug; the side wall of the hollow steel pipe is provided with a fourth hinge lug; the first hinge lug and the fourth hinge lug are hinged through a common bolt; one end of the I-shaped pull rod is hinged with the third hinge lug, and the other end of the I-shaped pull rod is hinged with the second hinge lug.
4. The device for pouring the bridge pile foundation concrete and preventing the floating cage according to claim 3, wherein a first connecting shaft is arranged below the third hinge lug; a second connecting shaft is arranged above the fourth hinge lug; one end of the spring is connected with the first connecting shaft, and the other end of the spring is connected with the second connecting shaft.
5. The bridge pile foundation concrete placement anti-floating cage device according to claim 1 or 4, wherein the bottom-sealed steel tube is open at the top and closed at the bottom; and reinforcing steel bars are inserted into the bottom sealing steel pipes.
6. The device for pouring the concrete for the pile foundation of the bridge to prevent the floating cage according to claim 1 or 4, wherein the steel bars are welded in the bottom-sealed steel tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122956046.9U CN216664134U (en) | 2021-11-29 | 2021-11-29 | Anti-floating cage device for bridge pile foundation concrete pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122956046.9U CN216664134U (en) | 2021-11-29 | 2021-11-29 | Anti-floating cage device for bridge pile foundation concrete pouring |
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| CN216664134U true CN216664134U (en) | 2022-06-03 |
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| CN202122956046.9U Active CN216664134U (en) | 2021-11-29 | 2021-11-29 | Anti-floating cage device for bridge pile foundation concrete pouring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217109A (en) * | 2022-08-11 | 2022-10-21 | 中国建筑第八工程局有限公司 | Pile foundation reinforcement cage positioning equipment and construction method thereof |
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2021
- 2021-11-29 CN CN202122956046.9U patent/CN216664134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217109A (en) * | 2022-08-11 | 2022-10-21 | 中国建筑第八工程局有限公司 | Pile foundation reinforcement cage positioning equipment and construction method thereof |
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