Auxiliary calibration equipment for reinforcing steel bar protective layer

By designing the auxiliary calibration equipment for steel bar protective layer, fixing the socket and adjusting the transmission screw, combined with infrared range finder and vision detector, the calibration deviation problem caused by shaking of the calibration equipment is solved, and the precise detection of the thickness of the protective layer and surface cracks is achieved.

CN223293411UActive Publication Date: 2025-09-02ZHEJIANG INST OF HYDRAULICS & ESTUARY
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Patent Information

Application Number
CN202422639146.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-02
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

After the concrete pouring is completed, existing calibration equipment is prone to shake when aligned with the outer wall of the steel bar, resulting in deviations in calibration results and it is difficult to accurately calibrate the thickness and surface cracks of the steel bar protective layer.

Method used

A reinforced bar protective layer auxiliary calibration device is designed, which is fixed with the steel bar through the jack, and the moving block position is adjusted using a transmission screw, and an infrared range finder and vision detector are used for precise calibration to avoid equipment shaking and detect protective layer thickness and surface cracks.

Benefits of technology

Accurate calibration of the thickness of the steel bar protective layer and surface cracks is achieved, avoiding equipment displacement and improving calibration accuracy and efficiency.

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Abstract

The utility model provides a reinforcing steel bar protective layer auxiliary calibration device which comprises an installation strip, the two ends of the installation strip are connected with moving blocks in a sliding mode, inserting holes are formed in the bottoms of the moving blocks, matching holes are formed in the tops of the moving blocks, and an installation plate is arranged in the middle of the installation strip. And a transmission lead screw is rotationally connected into the mounting plate, a rotating disc is arranged in the middle of the transmission lead screw, the two ends of the transmission lead screw are matched with the matching holes, and the inserting holes are attached to the reinforcing steel bar body. The calibration device can be connected with one end of a reinforcing steel bar and fixed through the arranged inserting hole, and meanwhile, the transmission lead screw is rotated, so that the transmission lead screw can adjust the positions of the moving blocks at the two ends and is used for installing the calibration device between the two reinforcing steel bars with the distance. And displacement or shaking of the calibration equipment in the process of calibrating the reinforcing steel bar protection layer is avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel bar protective layers, and in particular relates to auxiliary calibration equipment for steel bar protective layers. Background Art

[0002] Concrete cover is used to protect steel bars in building concrete structures;

[0003] From the perspective of durability against concrete carbonization, depassivation and steel corrosion, the concrete cover thickness is calculated based on the outer edge of the outermost reinforcement (including stirrups, structural reinforcement, distribution reinforcement, etc.), rather than the outer edge of the longitudinal reinforcement.

[0004] In order to protect the steel bars after the concrete pouring is completed, it is necessary to calibrate the thickness of the steel bar protective layer and the surface cracks of the steel bar protective layer through calibration equipment. However, when the calibration equipment is directly aligned with the concrete on the outer wall of the steel bar, the handheld calibration equipment is prone to shaking when calibrating the protective layer, and the shaking is likely to cause deviations in the calibration equipment results. Utility Model Content

[0005] Purpose of the utility model

[0006] In response to the above technical problems, the present invention provides a steel bar protective layer auxiliary calibration device to solve the technical problems mentioned in the background technology.

[0007] Technical Solution

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is a steel bar protective layer auxiliary calibration device, comprising a protective layer structure, wherein a steel bar body is arranged inside the protective layer structure, the number of the steel bar bodies is set to be multiple, and a mounting bar is arranged between two of the steel bar bodies;

[0009] The mounting bar has moving blocks slidably connected at both ends of the mounting bar, a socket is provided at the bottom of the moving block, a matching hole is provided at the top of the moving block, a mounting plate is provided in the middle of the mounting bar, a transmission screw is rotatably connected inside the mounting plate, a rotating disk is provided in the middle of the transmission screw, both ends of the transmission screw cooperate with the matching holes, and the socket fits with the steel bar body.

[0010] Preferably, guide grooves are provided on both sides of the mounting bar, and auxiliary holes are provided at the bottom of the mounting bar. The number of the auxiliary holes is set to multiple, and the multiple auxiliary holes are evenly spaced at the bottom of the mounting bar. The outer wall of the mounting bar is slidably connected to a calibration structure.

[0011] Preferably, a scale is provided on the top of the moving block, and the scale is aligned with one end of the transmission screw.

[0012] Preferably, the calibration structure includes a movable shell, guide bars are provided on both sides of the inner wall of the movable shell, the guide bars are slidably connected to the guide grooves, a visual detector is provided in the middle of the bottom of the movable shell, and infrared rangefinders are provided on both sides of the bottom of the movable shell.

[0013] Preferably, sliding holes are opened on both sides of the movable housing, the inner walls of the sliding holes are slidably connected with sliding shafts, and a return spring is provided between the sliding shaft and the movable housing.

[0014] Preferably, one end of the reset spring is rotatably connected to a push rod, a lifting plate is rotatably connected between the two push rods, a positioning shaft is provided on the outer wall of the lifting plate, and the positioning shaft is connected to the auxiliary hole.

[0015] Beneficial effects

[0016] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0017] The utility model can connect the calibration device to one end of the steel bar through the provided socket and fix the calibration device. At the same time, the transmission screw is rotated so that the transmission screw can adjust the position of the moving blocks at both ends, so as to install the calibration device between the steel bars at two distances, thereby preventing the calibration device from being displaced or shaken during the calibration of the steel bar protective layer.

[0018] After the installation strip is fixed, the position of the calibration structure can also be adjusted. The calibration structure slides on the outer wall of the installation strip to calibrate different positions of the protective layer structure. At the same time, the infrared rangefinder measures the distance between the exposed steel bar body and the protective layer structure, and the visual detector checks whether there are cracks on the surface of the protective layer structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 This is a three-dimensional expanded cross-sectional view of the mounting bar of the present utility model;

[0021] Figure 3 This is a three-dimensional expanded view of the calibration structure of the present utility model.

[0022] Reference numerals

[0023] 1. Protective layer structure; 2. Steel bar body; 3. Mounting bar; 4. Guide groove; 5. Auxiliary hole; 6. Mounting plate; 7. Transmission screw; 8. Rotating disk; 9. Moving block; 10. Matching hole; 11. Socket; 12. Calibration structure; 1201. Moving shell; 1202. Guide bar; 1203. Visual inspection instrument; 1204. Infrared rangefinder; 1205. Sliding hole; 1206. Sliding shaft; 1207. Reset spring; 1208. Push rod; 1209. Lifting plate; 1210. Positioning shaft. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "two ends", "both sides", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," "provided with," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] Reference is now made to the accompanying drawings, each of which is intended only to illustrate certain exemplary embodiments and is not intended to limit the present invention. Like reference numerals in the various drawings indicate like or corresponding parts. The dimensions and proportions in the various drawings are for illustrative purposes only and should not be construed as limiting the present invention. These dimensions may be exaggerated relative to actual products.

[0028] Reference Figure 1-3 , a steel bar protective layer auxiliary calibration device shown, comprising a protective layer structure 1, wherein a steel bar body 2 is arranged inside the protective layer structure 1, wherein the number of the steel bar bodies 2 is set to be multiple, and a mounting bar 3 is arranged between two of the steel bar bodies 2;

[0029] The mounting bar 3 has movable blocks 9 slidably connected at both ends of the mounting bar 3, a socket 11 is provided at the bottom of the movable block 9, and a matching hole 10 is provided at the top of the movable block 9. A mounting plate 6 is provided in the middle of the mounting bar 3, and a transmission screw 7 is rotatably connected inside the mounting plate 6. A rotating disk 8 is provided in the middle of the transmission screw 7, and both ends of the transmission screw 7 cooperate with the matching holes 10, and the socket 11 fits with the steel bar body 2.

[0030] Furthermore, in the above technical solution, guide grooves 4 are provided on both sides of the mounting bar 3, and auxiliary holes 5 are provided at the bottom of the mounting bar 3. The number of the auxiliary holes 5 is set to be multiple, and the multiple auxiliary holes 5 are evenly spaced at the bottom of the mounting bar 3. The outer wall of the mounting bar 3 is slidably connected with a calibration structure 12.

[0031] Furthermore, in the above technical solution, a scale is provided on the top of the moving block 9 , and the scale is aligned with one end of the transmission screw 7 . The set scale can determine the specific distance length between the two steel bar bodies 2 .

[0032] Furthermore, in the above technical solution, the calibration structure 12 includes a movable shell 1201, guide bars 1202 are provided on both sides of the inner wall of the movable shell 1201, the guide bars 1202 are slidably connected to the guide groove 4, a visual detector 1203 is provided in the middle of the bottom of the movable shell 1201, infrared rangefinders 1204 are provided on both sides of the bottom of the movable shell 1201, sliding holes 1205 are provided on both sides of the movable shell 1201, and the inner wall of the sliding hole 1205 is slidably connected with a sliding shaft 1206, a reset spring 1207 is provided between the sliding shaft 1206 and the movable shell 1201, one end of the reset spring 1207 is rotatably connected to a push rod 1208, and a lifting plate is rotatably connected between the two push rods 1208. 1209. The outer wall of the lifting plate 1209 is provided with a positioning shaft 1210, and the positioning shaft 1210 is connected to the auxiliary hole 5. After the mounting bar 3 is fixed, the movable shell 1201 can be pushed to slide on the outer wall of the mounting bar 3, so as to enable the infrared rangefinder 1204 and the visual detector 1203 to calibrate the protective layer structure 1 and the steel bar body 2 at different positions. When the position of the movable shell 1201 needs to be fixed, the sliding shaft 1206 is released, and the reset spring 1207 drives the sliding shaft 1206 to reset, and then the sliding shaft 1206 pushes the push rod 1208 to rotate, and the push rod 1208 pushes the lifting plate 1209 to move outward, and the lifting plate 1209 drives the positioning shaft 1210 to be inserted into the interior of the auxiliary hole 5, thereby stably fixing the position of the movable shell 1201.

[0033] This utility works as follows:

[0034] Refer to the instruction manual Figure 1-3 First, when the protective layer structure 1 and the steel bar body 2 need to be calibrated by the calibration device, the rotating disk 8 is rotated according to the distance between the two steel bar bodies 2. The rotating disk 8 drives the transmission screw 7 to rotate, and the transmission screw 7 drives the moving block 9 to move outward or inward, so that the insertion hole 11 at the bottom of the moving block 9 is aligned with the steel bar body 2, and then the inner wall of the insertion hole 11 is fitted with the outer wall of the steel bar body 2 to fix the mounting bar 3;

[0035] Then, the position of the mobile shell 1201 is adjusted according to the calibration position of the protective layer structure 1 and the steel body 2 as needed, and the mobile shell 1201 is pushed to slide on the outer wall of the mounting bar 3, and the positions of the visual detector 1203 and the infrared rangefinder 1204 at the bottom of the mobile shell 1201 are adjusted. The visual detector 1203 and the infrared rangefinder 1204 respectively calibrate the protective layer structure 1 and the steel body 2 in different aspects. When the position adjustment of the mobile shell 1201 is completed, the sliding shaft 1206 is released, and the reset spring 1207 drives the sliding shaft 1206 to reset, and then the sliding shaft 1206 pushes the push rod 1208 to rotate, and the push rod 1208 pushes the lifting plate 1209 to move, and the lifting plate 1209 drives the positioning shaft 1210 to be inserted into the interior of the auxiliary hole 5 to fix the position of the mobile shell 1201.

[0036] The above-mentioned embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which all fall within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A steel bar cover auxiliary calibration device, characterized in that: include A protective layer structure (1), wherein a steel bar body (2) is provided inside the protective layer structure (1), the number of the steel bar bodies (2) is set to be multiple, and a mounting bar (3) is provided between two of the steel bar bodies (2); The mounting bar (3) is provided with a moving block (9) at both ends of the mounting bar (3) in a sliding manner, a socket (11) is provided at the bottom of the moving block (9), and a matching hole (10) is provided at the top of the moving block (9). A mounting plate (6) is provided in the middle of the mounting bar (3), a transmission screw (7) is rotatably connected inside the mounting plate (6), and a rotating disk (8) is provided in the middle of the transmission screw (7), and the two ends of the transmission screw (7) are matched with the matching hole (10), and the socket (11) is fitted with the steel bar body (2).

2. The steel bar cover auxiliary calibration device according to claim 1, characterized in that: Guide grooves (4) are provided on both sides of the mounting bar (3), and an auxiliary hole (5) is provided at the bottom of the mounting bar (3). The number of the auxiliary holes (5) is set to be multiple, and the multiple auxiliary holes (5) are evenly spaced and distributed at the bottom of the mounting bar (3). The outer wall of the mounting bar (3) is slidably connected to a calibration structure (12).

3. The steel bar cover auxiliary calibration device according to claim 1, characterized in that: A scale is provided on the top of the moving block (9), and the scale is aligned with one end of the transmission screw (7).

4. The steel bar cover auxiliary calibration device according to claim 2, characterized in that: The calibration structure (12) comprises a movable shell (1201), guide bars (1202) are provided on both sides of the inner wall of the movable shell (1201), the guide bars (1202) are slidably connected to the guide groove (4), a visual detector (1203) is provided in the middle of the bottom of the movable shell (1201), and infrared rangefinders (1204) are provided on both sides of the bottom of the movable shell (1201).

5. The steel bar cover auxiliary calibration device according to claim 4, characterized in that: Sliding holes (1205) are provided on both sides of the movable housing (1201), and the inner walls of the sliding holes (1205) are slidably connected to sliding shafts (1206), and a return spring (1207) is provided between the sliding shaft (1206) and the movable housing (1201).

6. The steel bar cover auxiliary calibration device according to claim 5, characterized in that: One end of the return spring (1207) is rotatably connected to a push rod (1208), and a lifting plate (1209) is rotatably connected between the two push rods (1208). A positioning shaft (1210) is provided on the outer wall of the lifting plate (1209), and the positioning shaft (1210) is connected to the auxiliary hole (5).