Device for controlling distance between steel bars and concrete protection layer

Through the stainless steel installation rod and bump device, the problems of inaccurate control of the thickness of the concrete protective layer and the deviation of the steel bars are solved, and the construction progress is improved and the fixing effect is achieved.

CN223241105UActive Publication Date: 2025-08-19CHINA RAILWAY TENTH GRP FOURTH ENG CO LTD +1
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Patent Information

Application Number
CN202421360808.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-08-19
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

In the prior art, the thickness control of the concrete protective layer is inaccurate and fragile, resulting in the offset of the steel bars and slowing down the construction progress, and it is difficult for existing pads to effectively solve these problems.

Method used

The stainless steel installation rod and bump device are used to fix the steel bars through grooves and bump structures to prevent offsets, and can be made on site to meet different construction needs.

Benefits of technology

It realizes precise control of the thickness of the concrete protective layer, prevents bumps from being broken, improves construction efficiency and steel bar fixing effect, and adapts to different construction requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete protection layer construction devices, and particularly discloses a device for controlling the distance between steel bars and a concrete protection layer. The device comprises a device body. The device main body comprises a mounting rod with a rectangular cross section, and a plurality of grooves formed in the length direction of the mounting rod at intervals are formed in the side wall of the mounting rod; a protruding block corresponding to the groove is arranged on the side wall of the end, away from the groove, of the installation rod and is made of stainless steel materials. The reinforcing steel bars can be prevented from deviating under pushing of concrete, it is guaranteed that the reinforcing steel bars are fixed, meanwhile, the protruding blocks are prevented from being broken, and normal construction is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete protective layer construction devices, in particular to a device for controlling the spacing between steel bars and the concrete protective layer. Background Art

[0002] The reinforced concrete protective layer is the distance from the concrete surface to the steel bar surface. The reinforced concrete protective layer directly determines the structural, durability and functionality of the building. If the concrete protective layer is too thin, it is easy for moisture and water to penetrate, causing the steel bars to rust and lose their due function. If the protective layer is too thick, cracks will appear on the concrete surface, affecting the stress of the steel bars in the concrete.

[0003] In traditional processes, concrete pads are generally used to control the thickness of the concrete cover and the correct position of the steel bars in the concrete. Since the pads are made of concrete, they are easily damaged and broken during actual construction due to various factors. For example, during the construction process, the concrete is not vibrated enough or too much; the moisture is not properly controlled, the concrete is too wet or too dry; the temperature at the construction site is too low or too high, etc., which may cause the pads to break; and the cleaning and replenishment of damaged pads are very cumbersome, so a device is now needed to solve these problems. Utility Model Content

[0004] The utility model provides a device for controlling the spacing between steel bars and a concrete protective layer, which can overcome the defects of the prior art.

[0005] According to the utility model, a device for controlling the spacing between steel bars and the concrete protective layer includes: a device body; the device body includes a mounting rod with a rectangular cross-section, and a plurality of grooves arranged at intervals along the length of the mounting rod are provided on the side wall of the mounting rod; a protrusion corresponding to the groove is provided on the side wall of one end of the mounting rod away from the groove, and the protrusion is made of stainless steel.

[0006] By using the utility model, construction workers place the installation rod into the casting template before pouring concrete to form a protective layer, so that the protrusion on the installation rod rests on the inner wall of the template, and then the tied steel bars are stuck in the groove on the installation rod, and then concrete is poured into the template. During the process of pouring concrete, the steel bars are stuck in the groove, thereby preventing the steel bars from shifting under the push of the concrete; after the pouring is completed, the length of the protrusion is the same as the thickness of the protective layer; by setting protrusions of different lengths, construction workers can adapt to the protective layer thickness required in different constructions; the protrusion is made of stainless steel and has greater strength, which avoids the structural strength of the protrusion being affected by external factors. Compared with the existing technology, this device not only ensures the fixation of the steel bars, but also prevents the protrusion from breaking, thereby ensuring the normal progress of construction.

[0007] Preferably, the side wall at the lower end of the groove is recessed downward to form a slot, and the slot is semicircular in shape.

[0008] With the utility model, after the steel bar enters the groove, it is placed in the clamping groove, and the clamping groove further limits the steel bar, thereby preventing the steel bar from deviating during the concrete pouring process.

[0009] Preferably, the bump is hemispherical in shape.

[0010] According to the utility model, the protrusions are against the inner wall of the template, so the protrusions and the template are in point contact and the contact surface is small, thereby preventing the contact gap between the protrusions and the template from not being filled with concrete when pouring concrete.

[0011] Preferably, a support seat is provided at the lower end of the mounting rod.

[0012] Through the utility model, the support seat can stand the installation rod on the ground, and the construction workers can stand multiple installation rods on the ground, which is convenient for the construction workers to place steel bars on the installation rods, thereby making it convenient for the construction workers to tie the steel bars on the installation rods.

[0013] When tying steel bars, the device can be used by one person to complete the tying of the steel bars, which can solve the problem of slowing down the progress of steel bar tying when there are insufficient construction workers.

[0014] Preferably, the mounting rod is made of square steel.

[0015] According to the utility model, square steel is relatively common in construction sites, so when the installation rod is needed, it can be easily obtained, thereby making it convenient for construction workers to make the installation rod on site.

[0016] Preferably, the support seat and the square steel are welded.

[0017] Through the utility model, the support seat is made of stainless steel, and the construction workers connect the support seat to the square steel by welding. The construction workers can also make the device on site according to the diameter of the steel bar. The construction workers use a cutting machine to cut multiple grooves and slots on the square steel, and then weld the square steel to the support seat with a welding gun, so that the construction workers can make the device on site conveniently; and according to construction needs, installation rods with grooves of different intervals and sizes can be made, so that the spacing between the steel bars is different to adapt to different construction requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the device body in Example 1.

[0019] Figure 2 Schematic diagram of the bump in Example 1.

[0020] Figure 3This is a schematic diagram of the device body in use in Example 1. DETAILED DESCRIPTION

[0021] In order to further understand the content of the present invention, the present invention is described in detail with reference to the embodiments. It should be understood that the embodiments are merely for explanation of the present invention and are not intended to limit the present invention.

[0022] Example 1

[0023] like Figure 1-3 As shown, this embodiment provides a device for controlling the spacing between steel bars and the concrete protective layer, including a device body 100; the device body 100 includes a mounting rod 130 with a rectangular cross-section, and a plurality of grooves 110 are provided on the side wall of the mounting rod 130 and are spaced apart along the length direction of the mounting rod 130; a protrusion 210 is provided on the side wall of one end of the mounting rod 130 away from the groove 110 and is corresponding to the groove 110, and the protrusion 210 is made of stainless steel.

[0024] Through this embodiment, before pouring concrete to form a protective layer, the construction workers place the installation rod 130 into the casting template, so that the protrusion 210 on the installation rod 130 rests on the inner wall of the template, and then the tied steel bars 310 are stuck in the groove 110 on the installation rod 130, and then concrete is poured into the template. During the concrete pouring process, the steel bars 310 are stuck in the groove 110, thereby preventing the steel bars 310 from shifting under the push of the concrete; after the pouring is completed, the length of the protrusion 210 is the same as the thickness of the protective layer; by setting protrusions 210 of different lengths, the construction workers can adapt to the protective layer thickness required in different constructions; the protrusion 210 is made of stainless steel and has high strength, which avoids the structural strength of the protrusion 210 being affected by external factors. Compared with the existing technology, this device not only ensures the fixation of the steel bars, but also prevents the protrusion 210 from breaking, thereby ensuring the normal progress of construction.

[0025] In this embodiment, the side wall of the lower end of the groove 110 is recessed downward to form a latching slot 120 , and the latching slot 120 is semicircular in shape.

[0026] According to this embodiment, after the steel bar 310 enters the groove 110 , it is placed in the clamping groove 120 . The clamping groove 120 further limits the steel bar 310 to prevent the steel bar 310 from deviating during the concrete pouring process.

[0027] In this embodiment, the bump 210 is hemispherical in shape.

[0028] According to this embodiment, the protrusion 210 abuts against the inner wall of the template, so there is point contact between the protrusion 210 and the template, and the contact surface is small, thereby preventing the contact gap between the protrusion 210 and the template from not being filled with concrete when pouring concrete.

[0029] In this embodiment, a support base 140 is provided at the lower end of the mounting rod 130 .

[0030] Through this embodiment, the support seat 140 can stand the installation rod 130 on the ground, and the construction workers can stand multiple installation rods 130 on the ground, making it convenient for the construction workers to place the steel bars 310 on the installation rod 130, thereby making it convenient for the construction workers to tie the steel bars 310 on the installation rod 130.

[0031] When tying the steel bars 310 , the device can be used by one person to complete the tying of the steel bars 310 , which can solve the problem of slowing down the tying progress of the steel bars 310 when there are insufficient construction workers.

[0032] In this embodiment, the mounting rod 130 is made of square steel.

[0033] According to this embodiment, square steel is relatively common at construction sites, so when the installation rod 130 is needed, it can be easily obtained, thereby making it convenient for construction workers to make the installation rod 130 on site.

[0034] In this embodiment, the support base 140 and the square steel are welded.

[0035] Through this embodiment, the support seat 140 is made of stainless steel, and the construction workers connect the support seat 140 to the square steel by welding. The construction workers can also make the device on site according to the diameter of the steel bar 310. The construction workers use a cutting machine to cut multiple grooves 110 and card slots 120 on the square steel, and then weld the square steel to the support seat 140 with a welding gun, so as to facilitate the construction workers to make the device on site; and according to construction needs, installation rods 130 with grooves 110 of different intervals and sizes can be made, so that the spacing between the steel bars 310 is different to adapt to different construction requirements.

[0036] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.

[0037] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The embodiments shown are only part of the embodiments of the present invention, and the actual structure is not limited to them. Therefore, if a person skilled in the art is inspired by the above and designs a structure and embodiment similar to the technical solution without creatively designing it without departing from the inventive purpose of the present invention, it shall fall within the scope of protection of the present invention.

Claims

1. A device for controlling the spacing between steel bars and the concrete cover, characterized by: The device comprises a device body (100); the device body (100) comprises a mounting rod (130) having a rectangular cross section, a side wall of the mounting rod (130) being provided with a plurality of grooves (110) spaced apart along the length direction of the mounting rod (130); a side wall of one end of the mounting rod (130) away from the groove (110) being provided with a protrusion (210) corresponding to the groove (110), the protrusion (210) being made of stainless steel.

2. The device for controlling the spacing between steel bars and the concrete cover according to claim 1, characterized in that: The side wall of the lower end of the groove (110) is recessed downward to form a clamping groove (120), and the clamping groove (120) is semicircular in shape.

3. The device for controlling the spacing between steel bars and the concrete cover according to claim 1, characterized in that: The bump (210) is hemispherical in shape.

4. The device for controlling the spacing between steel bars and the concrete cover according to claim 1, characterized in that: A support seat (140) is provided at the lower end of the mounting rod (130).

5. The device for controlling the spacing between steel bars and the concrete cover according to claim 1, characterized in that: The mounting rod (130) is made of square steel.

6. The device for controlling the spacing between steel bars and the concrete cover according to claim 5, characterized in that: The support seat (140) is welded to the square steel.