Anti-floating device for reinforcement cage of cast-in-situ bored pile

Abstract

The utility model discloses an anti-floating device for a reinforcement cage of a cast-in-situ bored pile, which belongs to the related technical field of building construction and comprises a bearing ring connected with a plurality of longitudinal rods through sleeves. And a transverse rod is arranged between the adjacent longitudinal rods on one side. The utility model is used for solving the technical problem in the prior art that the quality of a pile body is influenced by the upward floating of a reinforcement cage because the upward floating force of the reinforcement cage is greater than the gravity of the reinforcement cage when the specific gravity of slurry is larger and the concrete pouring speed is faster.

Description

Technical Field

[0001] The utility model belongs to the technical field related to building construction, in particular to a bored cast-in-place pile reinforcement cage anti-floating device. Background Art

[0002] Steel cage construction is an important step in cast-in-place pile construction. If the pile foundation steel cage floats up during concrete pouring, part of the pile body will be without concrete reinforcement, which will reduce the pile foundation's ability to bear loads and pose a huge quality risk.

[0003] The traditional method of anti-floating steel cage is to use the self-weight of the steel cage to resist floating. However, when the mud density is large and the concrete pouring speed is fast, the force of the steel cage floating will be greater than its own gravity, which will cause the steel cage to float and affect the quality of the pile. Therefore, it is necessary to develop a bored cast-in-place pile steel cage anti-floating device to solve the above technical problems. Utility Model Content

[0004] In view of the above problems, the utility model provides a bored cast-in-place pile steel cage anti-floating device, which is used to solve the technical problem in the prior art that when the mud density is large and the concrete pouring speed is fast, the force of the steel cage floating will be greater than its own gravity, thereby causing the steel cage to float and affecting the quality of the pile body.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The anti-floating device of bored cast-in-place pile steel cage comprises a bearing ring, which is connected with a longitudinal rod through a sleeve, and a plurality of longitudinal rods are provided; a cross bar is provided between adjacent longitudinal rods on one side.

[0007] As a further improvement of the above solution, the sleeve is welded to the bottom of the bearing ring, and the sleeve is welded to the longitudinal rod; the longitudinal rod and the cross rod are welded; four longitudinal rods are provided, and two cross rods are provided.

[0008] As a further improvement of the above solution, the sleeve is welded to the bottom of the bearing ring, the sleeve is welded to the longitudinal rod, the bottom end of the longitudinal rod is inserted into the cross rod and locked by a connecting assembly.

[0009] As a further improvement of the above solution, the connecting assembly includes a connecting block hingedly connected to the longitudinal rod through a second pin, the lower end of the connecting block is hingedly connected to the positioning block, and the lower end of the positioning block is arranged in the positioning hole of the cross rod.

[0010] As a further improvement of the above scheme, the sleeve is arranged at the side end of the bearing ring, the longitudinal rod is movably inserted into the sleeve and locked by the first latch; the sleeve is provided with a through hole for inserting the first latch, and the longitudinal rod is provided with a step hole for inserting the first latch.

[0011] As a further improvement of the above solution, one end of the cross bar is hingedly connected to the longitudinal bar through a first pin, and the other end of the cross bar is connected to the other longitudinal bar through a first latch pin.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a bored cast-in-place pile reinforcement cage anti-floating device which can effectively resist the floating of the reinforcement cage, improve the bonding quality between the reinforcement cage and the pile body, effectively ensure the quality of the pile, can be reused, and produce good economic and social benefits.

[0014] 2. The device is easy to make: the material used is common, and the manufacturing process does not require any special technology, which is simple and convenient; low cost: the device has low manufacturing cost, and only requires a small amount of steel bars and steel pipes to complete the production, which has good economic benefits.

[0015] 3. The device is easy to operate: just place the load-bearing rod on the reinforcing hoop at the top of the steel cage, and then connect the load-bearing ring to the load-bearing rod through the socket sleeve.

[0016] 4. The device is environmentally friendly and economical: the device can be reused, is not easy to damage, does not produce pollution, and has good social benefits BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the first embodiment of the utility model.

[0018] Figure 2 It is a front view of the first embodiment of the utility model.

[0019] Figure 3 This is a working principle diagram of the first embodiment of the utility model

[0020] Figure 4 It is a front view of the second embodiment of the utility model.

[0021] Figure 5 It is a front view of the third embodiment of the utility model.

[0022] Figure 6 It is a side view of the third embodiment of the utility model.

[0023] In the figure: 1. load-bearing circle; 2. sleeve; 3. longitudinal rod; 4. cross rod; 5. connecting block; 6. positioning block; 7. first latch; 8. first pin; 9. second latch; 10. second pin; 11. funnel; 12. steel cage. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution, the utility model is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0025] Embodiment 1:

[0026] like Figure 1-3 As shown, the specific scheme of this embodiment is: the anti-floating device of bored pile steel cage includes a bearing ring 1, the bearing ring 1 is connected to the longitudinal rod 3 through a sleeve 2, and a plurality of longitudinal rods 3 are provided; a cross bar 4 is provided between adjacent longitudinal rods 3 on one side. The sleeve 2 is welded to the bottom of the bearing ring 1, and the sleeve 2 is welded to the longitudinal rod 3; the longitudinal rod 3 and the cross bar 4 are welded; four longitudinal rods 3 are provided, and two cross bars 4 are provided.

[0027] The specific working principle of the utility model is: the funnel 11 for pouring concrete is lifted by a crane to the upper part of the bearing circle 1 (such as Figure 3 As shown), the funnel 11 and the conduit part are pressed on the bearing ring 1 by gravity, thereby improving the anti-floating ability of the steel cage 12.

[0028] Embodiment 2:

[0029] like Figure 4 As shown, as a preferred embodiment of the above embodiment, it includes a bearing ring 1, a sleeve 2 welded to the bottom of the bearing ring 1, the sleeve 2 is welded and connected to the longitudinal rod 3, the bottom end of the longitudinal rod 3 is inserted into the cross bar 4, and is locked by a connecting assembly. The connecting assembly includes a connecting block 5 hingedly connected to the longitudinal rod 3 through a second pin 10, the lower end of the connecting block 5 is hingedly connected to the positioning block 6, and the lower end of the positioning block 6 is arranged in the positioning hole of the cross bar 4. Here, four longitudinal rods 3 are arranged, two cross bars 4 are arranged, and four connecting assemblies are arranged. The two-place hinged connection can make the adjustment more flexible and convenient, and the lower end of the positioning block 6 is arranged in the positioning hole of the cross bar 4, so that the connection between the longitudinal rod 3 and the cross bar 4 is more secure.

[0030] Embodiment 3:

[0031] like Figure 5-Figure 6 As shown, as a preferred embodiment of the above embodiment, it includes a bearing ring 1, a sleeve 2 is arranged at the side end of the bearing ring 1, and a longitudinal rod 3 is movably inserted in the sleeve 2 and locked by a first latch 7, and the length can be adjusted as needed; a through hole is arranged on the sleeve 2 for inserting the first latch 7, and a stepped hole is arranged on the longitudinal rod 3 for inserting the first latch 7. One end of the cross bar 4 is hingedly connected to the longitudinal rod 3 through a first pin 8, and the other end of the cross bar 4 is connected to another longitudinal rod 3 through a second latch 9, which makes it easy to install the cross bar 4 because one end of it is hingedly connected to the longitudinal rod 3, and the other end only needs to be connected to another longitudinal rod 3 through the second latch 9.

[0032] It should be noted that, in this article, the terms include, contain or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. Anti-floating device for bored pile reinforcement cage, characterized in that: It comprises a bearing ring (1), wherein the bearing ring (1) is connected to a longitudinal rod (3) via a sleeve (2), and a plurality of longitudinal rods (3) are provided; a cross bar (4) is provided between adjacent longitudinal rods (3) on one side.

2. The anti-floating device for bored pile reinforcement cage according to claim 1 is characterized in that: The sleeve (2) is welded to the bottom of the bearing ring (1), and the sleeve (2) is welded to the longitudinal rod (3); the longitudinal rod (3) and the cross rod (4) are welded to each other; four longitudinal rods (3) are provided, and two cross rods (4) are provided.

3. The anti-floating device for bored pile reinforcement cage according to claim 1, characterized in that: The sleeve (2) is welded to the bottom of the bearing ring (1), and the sleeve (2) is welded to the longitudinal rod (3). The bottom end of the longitudinal rod (3) is inserted into the cross rod (4) and locked by a connecting assembly.

4. The anti-floating device for bored pile reinforcement cage according to claim 3 is characterized in that: The connecting assembly comprises a connecting block (5) hingedly connected to the longitudinal rod (3) via a second pin (10); the lower end of the connecting block (5) is hingedly connected to a positioning block (6); and the lower end of the positioning block (6) is arranged in a positioning hole of the cross rod (4).

5. The anti-floating device for bored pile reinforcement cage according to claim 1, characterized in that: The sleeve (2) is arranged at the side end of the bearing ring (1), and the longitudinal rod (3) is movably inserted into the sleeve (2) and locked by a first latch (7); the sleeve (2) is provided with a through hole for inserting the first latch (7), and the longitudinal rod (3) is provided with a stepped hole for inserting the first latch (7).

6. The anti-floating device for bored pile reinforcement cage according to claim 5, characterized in that: One end of the cross bar (4) is hingedly connected to the longitudinal bar (3) via a first pin (8), and the other end of the cross bar (4) is connected to another longitudinal bar (3) via a second latch pin (9).

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