Reinforcement cage fixing device

Abstract

The utility model discloses a reinforcement cage fixing device which is characterized in that a positioning sleeve is arranged outside a reinforcement cage in a foundation pit, fixing grooves are symmetrically formed in the inner side of the positioning sleeve, a first electric telescopic rod and a positioning plate are symmetrically arranged outside the positioning sleeve, and a second electric telescopic rod, a fixing plate and a positioning pin are further installed outside the positioning sleeve. Through the arrangement of the positioning plates, the first electric telescopic rods and the positioning teeth which are correspondingly arranged in two directions, the first electric telescopic rods stretch out and draw back to enable the positioning plates to stretch out and draw back towards internal reinforcing steel bars, and connection and positioning of the positioning sleeves and the reinforcing steel bar cage can be achieved by electrically adjusting the center positions; and through telescopic positioning of the opposite two-way fixing plate, the positioning pin and the second electric telescopic rod at the other position of the positioning sleeve, fixing positioning and stability of the reinforcement cage in the center position of the foundation pit are guaranteed, foundation pit opening operation is facilitated through the overall structure, and the foundation pit opening positioning device is very practical.

Description

Technical Field

[0001] This utility model relates to the field of steel cage technology, specifically a steel cage fixing device. Background Technology

[0002] Reinforcing cages are a crucial foundation structure in foundation pit construction, and their primary function is similar to that of longitudinal reinforcement in columns. During construction, the reinforcing cage needs to be fixed inside the pit to ensure its stability and the quality of concrete pouring. However, to further improve construction quality, current methods require precise positioning of the reinforcing cage relative to its center within the pit. Existing methods for centering the reinforcing cage mostly rely on manual visual estimation, but foundation pits are not perfectly cylindrical, leading to inconsistent positioning relative to the center at the pit opening. A search for reinforcing cage fixing devices has yielded several patent applications, such as a reinforcing cage fixing device for building foundation pits (authorization announcement number CN212742553U). However, practical field operation has revealed that the adjustment and fixing of the center position and other operational feasibility remain poor. Therefore, those skilled in the art have proposed a reinforcing cage fixing device located at the pit opening to address the problems mentioned in the background. Utility Model Content

[0003] The purpose of this utility model is to provide a steel cage fixing device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A rebar cage fixing device includes a foundation pit and a rebar cage disposed inside the foundation pit. A positioning sleeve is disposed inside the foundation pit and outside the rebar cage. A fixing groove is symmetrically opened on the inner side of the positioning sleeve, and a first electric telescopic rod is symmetrically disposed on the outer side of the positioning sleeve. A positioning plate is disposed inside the fixing groove. The first electric telescopic rod is fixedly connected to the positioning plate. Positioning teeth are symmetrically arranged on the inner side of the positioning plate. A second electric telescopic rod is also installed outside the positioning sleeve. A fixing plate is disposed on the telescopic end of the second electric telescopic rod outside the positioning sleeve. Positioning pins are symmetrically arranged on the outer surface of the fixing plate.

[0006] As a further improvement of this utility model, two positioning pins are symmetrically arranged on the outside of the fixing plate, and the ends of the positioning pins are tapered.

[0007] As a further embodiment of this utility model: a connecting sleeve is provided at the middle position of the inner side of the fixing plate, the telescopic end of the second electric telescopic rod is embedded in the interior of the connecting sleeve and connected by bolts, and the fixed end of the second electric telescopic rod is installed on the outer surface of the positioning sleeve by bolts.

[0008] As a further improvement of this utility model: the fixing plate is arc-shaped and the positioning sleeve is hollow cylindrical.

[0009] As a further improvement of this utility model: the positioning sleeve has symmetrically provided fixing holes on its outside, and the telescopic end of the first electric telescopic rod passes through the inside of the fixing holes and is connected to the outside of the positioning plate.

[0010] As a further improvement of this utility model: at least six sets of positioning teeth are symmetrically arranged on the inner side of the positioning plate, and the positioning teeth are arranged in arc-shaped blocks.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This utility model structure allows a positioning sleeve to be fitted around the reinforcing cage and positioned at the pit opening. Through the bidirectionally corresponding positioning plates, a first electric telescopic rod, and positioning teeth, the extension and retraction of the first electric telescopic rod causes the positioning plates to move inwards towards the reinforcing bars, making contact and clamping with the outside of the reinforcing cage. The positioning teeth then engage with the gaps in the reinforcing cage, achieving a connection and positioning where the positioning sleeve and the reinforcing cage can be electrically adjusted to their center position. Furthermore, through the bidirectionally opposite fixing plate, positioning pin, and second electric telescopic rod at another position on the positioning sleeve, the extension and retraction of the second electric telescopic rod causes the fixing plate to move outwards and contact the inner wall of the pit, allowing the positioning pin to be inserted into the pit. This achieves a connection where the positioning sleeve and the pit opening can be electrically adjusted to their center position. This ensures the fixation and stability of the relative center position of the positioning sleeve and the reinforcing cage within the pit opening, facilitating the fixed positioning of the reinforcing cage in the pit and enabling subsequent pouring operations. The overall structure is convenient for pit opening operations and is highly practical. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of a steel cage fixing device;

[0014] Figure 2 This is a schematic diagram of the positioning sleeve in a steel cage fixing device;

[0015] Figure 3 A schematic diagram of the fixing plate in a steel cage fixing device;

[0016] Figure 4 This is a schematic diagram of the positioning plate in a steel cage fixing device;

[0017] Figure 5 This is a schematic diagram of the fixing hole in a steel cage fixing device;

[0018] Figure 6 This is a schematic diagram of the structure of a steel cage fixing device after the steel cage is installed.

[0019] In the diagram: 1. Positioning sleeve; 11. Fixing groove; 12. Fixing hole; 2. Positioning plate; 21. First electric telescopic rod; 22. Positioning tooth; 3. Fixing plate; 31. Positioning pin; 32. Second electric telescopic rod; 33. Connecting sleeve; 4. Reinforcing cage; 5. Foundation pit. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0021] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0022] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Example 1:

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this embodiment proposes a rebar cage fixing device, including a foundation pit 5 and a rebar cage 4 disposed inside the foundation pit 5. A positioning sleeve 1 is provided at the foundation pit opening inside the foundation pit 5 and outside the rebar cage 4. A fixing groove 11 is symmetrically opened on the inner side of the positioning sleeve 1, and a first electric telescopic rod 21 is symmetrically arranged on the outer side of the positioning sleeve 1. A positioning plate 2 is provided inside the fixing groove 11, and positioning teeth 22 are symmetrically arranged on the inner side of the positioning plate 2. A second electric telescopic rod 32 is also installed on the outer side of the positioning sleeve 1. The telescopic end of the second electric telescopic rod 32 is positioned at the positioning... The outer side of the sleeve 1 is provided with a fixing plate 3, and the outer surface of the fixing plate 3 is symmetrically provided with positioning pins 31. The operation of the first electric telescopic rod 21 will cause the positioning plate 2 to move inward and extend into the positioning sleeve, and the positioning teeth 22 will be embedded in the gap outside the steel cage 4, thereby achieving the purpose of positioning, fixing and connecting the steel cage 4. The extension and retraction of the second electric telescopic rod 32 will cause the fixing plate 3 to contact the inner wall of the pit 5, so as to ensure the center position adjustment operation and stability of the positioning sleeve 1, and finally facilitate the center position fixing of the steel cage 4.

[0027] Example 2:

[0028] The solution in Example 1 will be further described below with reference to its specific working method.

[0029] like Figure 1 and Figure 3 As shown, in a preferred embodiment, based on the above method, two positioning pins 31 are further provided at symmetrical positions on the outside of the fixing plate 3, and the ends of the positioning pins 31 are tapered. This arrangement allows the positioning pins 31 to be inserted into the pit, thereby ensuring the center position and stability of the fixing plate 3 and achieving the purpose of fixing the center position of the positioning sleeve 1.

[0030] like Figure 3 As shown, a connecting sleeve 33 is provided at the middle position of the inner side of the fixing plate 3. The telescopic end of the second electric telescopic rod 32 is embedded in the interior of the connecting sleeve 33 and connected by bolts. The fixed end of the second electric telescopic rod 32 is installed on the outer surface of the positioning sleeve 1 by bolts. This arrangement uses bolts to connect the second electric telescopic rod 32 to the connecting sleeve 33. In this way, the telescopic movement of the second electric telescopic rod 32 will cause the fixing plate 3 to move outward.

[0031] like Figure 1 As shown, in a preferred embodiment, based on the above method, the fixing plate 3 is further configured as an arc and the positioning sleeve 1 is configured as a hollow cylinder. This configuration makes it easier to fit the steel cage 4 into its center, thereby facilitating the fixation of the steel cage 4 at its center position.

[0032] like Figure 2 and Figure 4 As shown, in a preferred embodiment, based on the above method, the positioning sleeve 1 is further provided with symmetrical fixing holes 12 on the outside. The telescopic end of the first electric telescopic rod 21 passes through the inside of the fixing hole 12 and is connected to the outside of the positioning plate 2. This arrangement uses the telescopic movement of the first electric telescopic rod 21 to make the positioning plate 2 telescopically move inward, and make the inner side of the positioning plate 2 contact the outside of the steel cage 4, so as to achieve the purpose of fixing the steel cage 4.

[0033] like Figure 1 and Figure 4 As shown, in a preferred embodiment, based on the above method, at least six sets of positioning teeth 22 are symmetrically arranged on the inner side of the positioning plate 2. The positioning teeth 22 are arranged in arc shape. This arrangement can achieve the purpose of further center positioning of the steel cage 4 by using the positioning teeth 22, so as to ensure the stability of its fixation.

[0034] Example 3:

[0035] The solutions in Embodiments 1 and 2 will be further described below with reference to their specific working methods.

[0036] The above structure creates multiple adjustable support points arranged sequentially around the perimeter of a circular ring within the foundation pit. When in use, it can be operated as follows:

[0037] First, the positioning sleeve 1 is installed inside the foundation pit 5 near its top. During installation, the operation of the second electric telescopic rod 32, symmetrically arranged on the outside of the positioning sleeve 1, causes the fixing plate 3 to move outward, making the outer wall of the fixing plate 3 contact the inner wall of the foundation pit 5. At the same time, the positioning pin 31 on the outer surface of the fixing plate 3 will embed into the interior of the foundation pit 5 to ensure the fixation and stability of the relative center position of the fixing plate 3, that is, to ensure the stability of the center position of the positioning sleeve 1. After stabilization, the reinforcing cage 4 is suspended by a crane. During suspension, the lower end of the reinforcing cage 4 can pass through the interior of the positioning sleeve 1 into the foundation pit 5. The positioning sleeve 1 serves as a guide when the reinforcing cage 4 passes through it. When the reinforcing cage 4 enters the foundation pit 5, the positioning plate 2 moves inward via the first electric telescopic rod 21. Since the reinforcing cage 4 is composed of multiple reinforcing bars with gaps between them, the positioning teeth 22 on the outside of the bidirectional positioning plate 2 simultaneously engage with the gaps in the reinforcing cage 4 when the bidirectional positioning plate 2 clamps and moves. This achieves the purpose of adjusting and fixing the center position of the reinforcing cage 4 inside the positioning sleeve 1, ensuring the center position is fixed and stable. After the reinforcing cage 4 is fixed, it can be poured with concrete or other construction operations can be performed. After pouring, the device can be separated from the reinforcing cage 4 by the operation of the first electric telescopic rod 21 and the second electric telescopic rod 32, achieving the purpose of reuse and reducing costs.

[0038] The above operation is also a method for constructing a foundation pit reinforcement cage and a method for positioning a foundation pit reinforcement cage.

[0039] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present utility model.

Claims

1. A steel cage fixing device, comprising a positioning sleeve (1), characterized in that, The positioning sleeve (1) has symmetrically provided fixing grooves (11) on its inner side, and the positioning sleeve (1) has symmetrically provided first electric telescopic rods (21) on its outer side. The fixing grooves (11) have a positioning plate (2) inside them. The first electric telescopic rods (21) are fixedly connected to the positioning plate (2). The positioning plate (2) has symmetrically provided positioning teeth (22) on its inner side. The positioning sleeve (1) also has a second electric telescopic rod (32) installed on its outer side. The telescopic end of the second electric telescopic rod (32) has a fixing plate (3) on its outer side. The fixing plate (3) has symmetrically provided positioning pins (31) on its outer surface.

2. The steel cage fixing device according to claim 1, characterized in that, Two positioning pins (31) are symmetrically arranged on the outside of the fixing plate (3), and the ends of the positioning pins (31) are tapered.

3. The steel cage fixing device according to claim 1, characterized in that, A connecting sleeve (33) is provided at the middle position of the inner side of the fixing plate (3). The telescopic end of the second electric telescopic rod (32) is embedded in the interior of the connecting sleeve (33) and connected by bolts. The fixed end of the second electric telescopic rod (32) is installed on the outer surface of the positioning sleeve (1) by bolts.

4. The steel cage fixing device according to claim 1, characterized in that, The fixing plate (3) is arc-shaped.

5. A steel cage fixing device according to claim 1, characterized in that, The positioning sleeve (1) is a hollow cylindrical shape.

6. A steel cage fixing device according to claim 1, characterized in that, The positioning sleeve (1) has symmetrically provided fixing holes (12) on its outside. The telescopic end of the first electric telescopic rod (21) passes through the inside of the fixing hole (12) and is connected to the outside of the positioning plate (2).

7. A steel cage fixing device according to claim 1, characterized in that, At least six sets of positioning teeth (22) are symmetrically arranged on the inner side of the positioning plate (2), and the positioning teeth (22) are arranged in arc-shaped blocks.

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