Control device for steel bar protection layer at top of beam-shaped component

Abstract

The utility model discloses a beam-shaped component top reinforcement protection layer control device, which comprises a square tube, round steel and a fixing cap, a plurality of through round holes are arranged on the upper plane and the lower plane of the square tube, the round steel is inserted into the round holes, the fixing cap is fixed at the contact node of the round steel and the square tube, and the round steel and the fixing cap are welded together. The device is quick to mount, simple to operate, reusable and accurate in position control, and the qualified rate of the steel bar protective layer of the cast-in-place concrete member is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a control device for a steel bar protective layer on the top of a beam-shaped component. Background Art

[0002] Slope protection refers to the various paving and planting on the slope surface of a platform with a certain width that is retained along the original ground longitudinally at the foot of the roadbed or between the soil pit and the foot of the slope to prevent the slope from being eroded and ensure the stability of the slope. The secondary slope protection adopts square lattice slope protection. The square skeleton slope protection is a structural section every 12.3m. The skeleton cross-section size is 0.4m×0.3m (height×width), the skeleton beam spacing is 3m, and Φ12HRB400 steel bars are configured in the skeleton. There are two ways to reinforce traditional steel bars: implant steel bars on the slope surface as supporting steel bars for square lattice steel bars, or use wire ties to hang square lattice steel bars from the top.

[0003] If steel bars are implanted on the slope as supporting bars for square lattice reinforcements, there are the following disadvantages:

[0004] 1. The change of slope geology affects the length of supporting steel bars implanted in the slope soil. The length of steel bars cut varies, and drilling is required for stone slopes, which complicates the construction and affects the construction efficiency.

[0005] 2. The supporting steel bars cannot be reused, which greatly increases the construction cost;

[0006] If the square lattice steel bars are suspended from the top by tying wire, there are the following disadvantages:

[0007] 1. The height of the anti-hanging wire is manually adjusted and controlled, and the deviation caused by construction is large;

[0008] 2. The reverse hanging wire is not easy to tighten, and deformation is very easy to occur during the concrete spreading and vibration construction process, resulting in a low qualified rate of the steel bar protective layer. Summary of the invention

[0009] To solve the above problems, the utility model discloses a control device for the steel bar protective layer on the top of a beam-shaped component, which has the advantages of quick installation, simple operation, repeatability, accurate position control, and increased qualification rate of the steel bar protective layer of cast-in-place concrete components.

[0010] In order to achieve the above object, the technical solution of the utility model is as follows:

[0011] A control device for the top steel bar protective layer of a beam-shaped component comprises a square tube, round steel and a fixing cap. A plurality of through circular holes are arranged on the upper and lower planes of the square tube. The round steel is inserted into the circular holes. The fixing cap is fixed at the contact node between the round steel and the square tube. The round steel and the fixing cap are welded together.

[0012] As an improvement of the utility model, the diameter of the circular hole is larger than the diameter of the round steel, and the diameter of the fixing cap is larger than the diameter of the circular hole.

[0013] As an improvement of the utility model, the distance between the upper and lower fixing caps is greater than or equal to the thickness of the square tube.

[0014] As an improvement of the utility model, the fixing cap is a nut or a ring.

[0015] As an improvement of the utility model, the upper and lower ends of the round steel are bent.

[0016] As an improvement of the present invention, the round steels have the same height.

[0017] The beneficial effects of the utility model are:

[0018] 1. Quick installation, simple operation, greatly improving construction efficiency;

[0019] 2. The fixtures can be reused, reducing construction costs;

[0020] 3. The rigid shape controls the position of the steel bars, greatly increasing the qualified rate of the steel bar protective layer of cast-in-place concrete components. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the front view of the utility model.

[0022] Figure 2 It is a three-dimensional diagram of the utility model.

[0023] List of Figure Symbols:

[0024] 1. Square tube, 2. Round steel, 3. Fixing cap. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations. It should be understood that the following specific implementations are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0026] As shown in the figure, a control device for the top steel bar protective layer of a beam-shaped component described in the utility model includes a square tube 1, a round steel 2 and a fixing cap 3. The square tube 1 is a galvanized square tube, the round steel 2 is a steel tube or a steel bar, and the fixing cap 3 is a nut or a ring.

[0027] A plurality of through circular holes are arranged on the upper and lower planes of the square tube 1, the round steel 2 is inserted into the circular holes, the fixing cap 3 is fixed at the contact node between the round steel 2 and the square tube 1, the round steel 2 and the fixing cap 3 are welded together (the fixing cap 3 and the square tube 1 are not welded together), and the heights of several round steels 2 are the same. When in use, the square tube 1 is placed on the top of the component template as a supporting structure, and the spacing of the circular holes is opened according to the spacing of the steel bars of the cast-in-place component. The round steel 2 can be used after being welded to the fixing cap 3. When in use, the overhanging length of the round steel is guaranteed while the round steel 2 can rotate freely. After the concrete of the component is placed and vibrated, the device is dismantled by rotating the bending position. The device is quick to install, simple to operate, reusable, and accurately controls the position, thereby increasing the qualified rate of the steel bar protective layer of the cast-in-place concrete component.

[0028] After the square tube 1 is opened, the diameter of the circular hole is larger than the diameter of the round steel 2, and the diameter of the fixing cap 3 is larger than the diameter of the circular hole.

[0029] At the fixed position of the round steel 2 of the utility model, the distance between the upper and lower fixing caps 3 is ≥ the thickness of the square tube 1, and the round steel 2 can rotate but cannot move up and down.

[0030] The upper and lower ends of the round steel 2 of the utility model are bent, which is convenient for operation.

[0031] It should be noted that the above content only illustrates the technical idea of ​​the utility model and cannot be used to limit the protection scope of the utility model. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications all fall within the protection scope of the claims of the utility model.

Claims

1. A device for controlling the protective layer of steel bars at the top of a beam-shaped member, characterized in that: The invention comprises a square tube (1), a round steel (2) and a fixing cap (3), wherein a plurality of through circular holes are arranged on the upper and lower planes of the square tube (1), the round steel (2) is inserted into the circular holes, the fixing cap (3) is fixed at the contact node between the round steel (2) and the square tube (1), and the round steel (2) and the fixing cap (3) are welded together.

2. A control device for the top steel bar protective layer of a beam-shaped component according to claim 1, characterized in that: The diameter of the circular hole is greater than the diameter of the round steel (2), and the diameter of the fixing cap (3) is greater than the diameter of the circular hole.

3. A control device for the top steel bar protective layer of a beam-shaped member according to claim 1, characterized in that: The distance between the upper and lower fixing caps (3) is greater than or equal to the thickness of the square tube 1.

4. A control device for the top steel bar protective layer of a beam-shaped component according to claim 1, characterized in that: The fixing cap (3) is a nut or a ring.

5. The device for controlling the top steel bar protective layer of a beam-shaped component according to claim 1, characterized in that: The upper and lower ends of the round steel (2) are bent.

6. A control device for the top reinforcement protective layer of a beam-shaped member according to claim 1, characterized in that: The round steels (2) have the same height.

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