Concrete structure surface crack detection device

Abstract

The utility model relates to the technical field of concrete structural member detection, and discloses a concrete structure surface crack detection device which comprises fixing rings, one end of each fixing ring is hinged with the same fixing ring through a hinge, a buckle is arranged between the two fixing rings, and a plurality of crack detection assemblies are arranged on the two fixing rings. According to the concrete structure surface crack detection device, cracks on the surface of a concrete column can be detected through a plurality of crack detection assemblies, so that even the vertically placed concrete column can be uniformly detected; according to the concrete structure surface crack detection device, the time-consuming and labor-consuming situation that in a traditional mode, an operator needs to use a detector to align a detected column to continuously move to detect a concrete column is avoided, and the detection efficiency of the concrete column is improved to a certain extent; the whole detection area is quickly and accurately covered, and the detection time is greatly shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete structural member detection, in particular to a concrete structure surface crack detection device. Background Art

[0002] The concrete structure surface crack detection device is a device specially used to detect cracks in concrete structures. Micro infrared thermal imaging detection method: based on infrared thermal imaging technology, cracks are detected by observing the temperature changes on the concrete surface. The thermal conductivity of the cracks is different from that of the intact parts, so it will show obvious differences on the infrared thermal image. This method is suitable for rapid detection of large areas, but is easily affected by environmental temperature and humidity factors.

[0003] In the traditional method, the operator needs to use the detector to aim at the column to be inspected and move it continuously to detect cracks on the surface of the concrete column. When the column is too long or too high, it is very inconvenient for the operator to detect, and it is easy to cause errors due to improper operation, which greatly affects the accuracy of the detection. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a device for detecting cracks on the surface of a concrete structure, which has the advantages of being easy to detect cracks on concrete columns and being adaptable to concrete columns of various shapes. It solves the problem that in the traditional method, an operator is required to use a detector to aim at the column to be detected and move it continuously to detect cracks on the surface of the concrete column, and when the column is too long or too high, it is very inconvenient for the operator to detect.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of facilitating the detection of cracks on concrete columns and being adaptable to concrete columns of various shapes, the utility model provides the following technical solutions: a device for detecting cracks on the surface of a concrete structure, comprising a fixing ring, one end of the fixing ring is hingedly connected to a same fixing ring, a buckle is arranged between the two fixing rings, and a plurality of crack detection components are arranged on the two fixing rings, and the crack detection components are used to detect cracks on the surface of the concrete column;

[0008] A plurality of column moving mechanisms are arranged on the two fixing rings, and the column moving mechanisms are used to move on columns of different diameters so that the crack detection component can detect cracks on the surface of the concrete column, and the plurality of column moving mechanisms are evenly arranged in a circular array;

[0009] The column moving mechanism includes two inclined fixing frames, which are respectively bolted to the two sides of the fixing ring, and the first fixed shafts are fixedly connected in the two inclined fixing frames. The outer surfaces of the two first fixed shafts are rotatably connected with movable rods, and the outer surfaces of the two movable rods are milled with movable grooves, and the pulley shafts are fixedly connected in the two movable grooves.

[0010] Preferably, the outer surfaces of the two pulley shafts are rotatably connected to pulleys, the outer surface of the movable rod on one side is fixedly connected to a motor, and the output shaft of the motor is fixedly sleeved into the corresponding pulley shaft.

[0011] Preferably, opposite ends of the two movable rods are rotatably connected to second fixed shafts, and both ends of the two second fixed shafts are rotatably passed through the outer surface of the movable rod.

[0012] Preferably, a stud is rotatably connected to the fixing ring, a fixing sleeve is sleeved on the outer surface of the stud, two slide plates are fixedly connected to the fixing sleeve, and both ends of the two second fixing shafts are slidably connected to the inner walls of the corresponding slide plates.

[0013] Preferably, a nut is threadedly sleeved on the outer surface of the stud, and the nut is used to adjust the distance between the two pulleys. A spring is sleeved on the outer surface of the stud, and the spring is located between the fixing sleeve and the fixing ring.

[0014] Preferably, the crack detection assembly comprises a detection head bracket, the detection head bracket is bolted and fixedly connected to the outer surface of the fixing ring, and an infrared crack detection probe is arranged on the detection head bracket.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a device for detecting cracks on the surface of a concrete structure, which has the following beneficial effects:

[0017] 1. The concrete structure surface crack detection device can make the corresponding pulley rotate by controlling the start of the motor, thereby driving the concrete structure surface crack detection device to move on the surface of the concrete column. During the movement, the multiple crack detection components set up will detect the cracks on the surface of the concrete column. Through the operation of the above structure, even the vertically placed concrete column can be uniformly detected, avoiding the time-consuming and labor-intensive traditional method in which the operator needs to use the detector to aim at the detected column and continuously move the concrete column for detection, thereby improving the detection efficiency of the concrete column to a certain extent. The concrete structure surface crack detection device can realize automatic scanning, quickly and accurately cover the entire detection area, and greatly shorten the detection time.

[0018] 2. The concrete structure surface crack detection device can adjust the position of the nut on the stud by rotating the nut, so that the maximum distance between the two pulleys can be adjusted to a certain extent, so that the position of the pulley on each column moving mechanism can be adjusted separately to move on columns with different cross-sections, so that the operator does not need to make tedious adjustments or replace detection tools for concrete columns with different cross-sectional shapes, thereby greatly improving work efficiency. At the same time, since human intervention is reduced, the error caused by improper operation is also reduced, and the accuracy of detection is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the column moving mechanism of the utility model;

[0021] Figure 3 It is a schematic diagram of the external structure of the column moving mechanism of the utility model.

[0022] In the figure: 1. fixing ring; 2. tilt fixing frame; 3. first fixing shaft; 4. movable rod; 5. second fixing shaft; 6. slide plate; 7. fixing sleeve; 8. stud; 9. spring; 10. movable groove; 11. pulley shaft; 12. pulley; 13. buckle; 14. nut; 15. detection head bracket; 16. infrared crack detection probe; 17. motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 The utility model provides a new technical solution: a concrete structure surface crack detection device, comprising a fixing ring 1, one end of the fixing ring 1 is hingedly connected with the same fixing ring 1, a buckle 13 is arranged between the two fixing rings 1, and a plurality of crack detection components are arranged on the two fixing rings 1, and the crack detection components are used to detect cracks on the surface of the concrete column;

[0025] A plurality of column moving mechanisms are arranged on the two fixing rings 1, and the column moving mechanisms are used to move on columns of different diameters so that the crack detection component can detect cracks on the surface of the concrete column. The plurality of column moving mechanisms are evenly arranged in a circular array;

[0026] The column moving mechanism includes two inclined fixing frames 2, which are respectively bolted to the two sides of the fixing ring 1, and the first fixing shaft 3 is fixedly connected inside the two inclined fixing frames 2. The outer surfaces of the two first fixing shafts 3 are rotatably connected to movable rods 4. The outer surfaces of the two movable rods 4 are milled with movable grooves 10, and the pulley shafts 11 are fixedly connected inside the two movable grooves 10.

[0027] Furthermore, the outer surfaces of the two pulley shafts 11 are rotatably connected to the pulleys 12 , and the outer surface of the movable rod 4 on one side is fixedly connected to the motor 17 , and the output shaft of the motor 17 is fixedly sleeved into the corresponding pulley shaft 11 .

[0028] Furthermore, opposite ends of the two movable rods 4 are rotatably connected to the second fixed shafts 5 , and both ends of the two second fixed shafts 5 are rotatably passed through the outer surface of the movable rod 4 .

[0029] Furthermore, a stud 8 is rotatably connected to the fixing ring 1 , a fixing sleeve 7 is sleeved on the outer surface of the stud 8 , two slide plates 6 are fixedly connected to the fixing sleeve 7 , and both ends of the two second fixing shafts 5 are slidably connected to the inner walls of the corresponding slide plates 6 .

[0030] Furthermore, a nut 14 is threadedly sleeved on the outer surface of the stud 8 , and the nut 14 is used to adjust the distance between the two pulleys 12 . A spring 9 is sleeved on the outer surface of the stud 8 , and the spring 9 is located between the fixing sleeve 7 and the fixing ring 1 .

[0031] Furthermore, the crack detection assembly includes a detection head bracket 15 , which is bolted and fixed to the outer surface of the fixing ring 1 , and an infrared crack detection probe 16 is arranged on the detection head bracket 15 .

[0032] Furthermore, when in use, the buckle 13 is opened to sleeve the two fixing rings 1 on the concrete column to be inspected, and then the buckle 13 is closed to connect the two fixing rings 1 into a circular ring, and the fixing sleeve and the two slide plates 6 thereon can be driven to move upward under the elastic force of the spring 9, so that the two slide plates 6 moving upward drive one end of the movable rod 4 to move upward through the two second fixed shafts 5, and at the same time, the movable rod 4 will rotate about the axis of the first fixed shaft 3, so that the pulleys 12 on the two movable rods 4 can approach each other, so that the pulleys 12 on the multiple column moving mechanisms can fit tightly with the concrete column to be measured;

[0033] Furthermore, by controlling the start of the motor 17, the corresponding pulley 12 can be rotated, thereby driving the concrete structure surface crack detection device to move on the surface of the concrete column. During the movement, the multiple crack detection components set up will detect cracks on the surface of the concrete column. Through the operation of the above structure, even vertically placed concrete columns can be uniformly detected, avoiding the time-consuming and labor-intensive traditional method in which the operator needs to use the detector to aim at the detected column and continuously move the concrete column for detection, thereby improving the detection efficiency of the concrete column to a certain extent. The concrete structure surface crack detection device can realize automatic scanning, quickly and accurately cover the entire detection area, and greatly shorten the detection time.

[0034] Furthermore, by rotating the set nut 14, the position of the nut 14 on the stud 8 can be adjusted, so that the maximum distance between the two pulleys 12 can be adjusted to a certain extent, so that the position of the pulley 12 on each column moving mechanism can be adjusted separately to move on columns with different cross-sections, so that operators do not need to make tedious adjustments or replace detection tools for concrete columns with different cross-sectional shapes, thereby greatly improving work efficiency. At the same time, since human intervention is reduced, errors caused by improper operation are also reduced, thereby improving the accuracy of detection.

[0035] Working principle: when in use, open the buckle 13, put the two fixing rings 1 on the concrete column to be tested, and then close the buckle 13 to connect the two fixing rings 1 into a circular ring, and the elastic force of the spring 9 can drive the fixing sleeve and the two slide plates 6 thereon to move upward, so that the two slide plates 6 moving upward drive one end of the movable rod 4 to move upward through the two second fixed shafts 5, and at the same time, the movable rod 4 will rotate around the axis of the first fixed shaft 3, so that the pulleys 12 on the two movable rods 4 can approach each other, so that the pulleys 12 on the multiple column moving mechanisms can fit tightly with the concrete column to be measured;

[0036] By controlling the start of the motor 17, the corresponding pulley 12 can be rotated, thereby driving the concrete structure surface crack detection device to move on the surface of the concrete column. During the movement, the multiple crack detection components will detect the cracks on the surface of the concrete column. Through the operation of the above structure, even a vertically placed concrete column can be uniformly detected. By rotating the nut 14, the position of the nut 14 on the stud 8 can be adjusted, so that the maximum distance between the two pulleys 12 can be adjusted to a certain extent, so that the position of the pulley 12 on each column moving mechanism can be adjusted separately to move on columns with different cross-sections.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete structure surface crack detection device, characterized in that: It comprises a fixing ring (1), one end of the fixing ring (1) is hingedly connected to a similar fixing ring (1), a buckle (13) is arranged between the two fixing rings (1), and a plurality of crack detection components are arranged on the two fixing rings (1), the crack detection components are used to detect cracks on the surface of the concrete column; A plurality of column moving mechanisms are arranged on the two fixing rings (1), and the column moving mechanisms are used to move on columns of different diameters so that the crack detection component can detect cracks on the surface of the concrete column, and the plurality of column moving mechanisms are evenly arranged in a circular array; The column moving mechanism comprises two inclined fixing frames (2), the two inclined fixing frames (2) are respectively bolted to two sides of a fixing ring (1), a first fixing shaft (3) is fixedly connected inside the two inclined fixing frames (2), the outer surfaces of the two first fixing shafts (3) are rotatably connected to movable rods (4), the outer surfaces of the two movable rods (4) are milled to form movable grooves (10), and the pulley shafts (11) are fixedly connected inside the two movable grooves (10).

2. A concrete structure surface crack detection device according to claim 1, characterized in that: The outer surfaces of the two pulley shafts (11) are rotatably connected to pulleys (12), the outer surface of the movable rod (4) on one side is fixedly connected to a motor (17), and the output shaft of the motor (17) is fixedly sleeved into the corresponding pulley shaft (11).

3. A concrete structure surface crack detection device according to claim 2, characterized in that: The opposite ends of the two movable rods (4) are rotatably connected to the second fixed shaft (5), and both ends of the two second fixed shafts (5) are rotatably passed through the outer surface of the movable rod (4).

4. A concrete structure surface crack detection device according to claim 1, characterized in that: A stud (8) is rotatably connected to the fixing ring (1), a fixing sleeve (7) is sleeved on the outer surface of the stud (8), two slide plates (6) are fixedly connected to the fixing sleeve (7), and both ends of the two second fixing shafts (5) are slidably connected to the inner walls of the corresponding slide plates (6).

5. A concrete structure surface crack detection device according to claim 4, characterized in that: The outer surface of the stud (8) is threadedly sleeved with a nut (14), and the nut (14) is used to adjust the distance between the two pulleys (12). The outer surface of the stud (8) is sleeved with a spring (9), and the spring (9) is located between the fixing sleeve (7) and the fixing ring (1).

6. A concrete structure surface crack detection device according to claim 1, characterized in that: The crack detection assembly comprises a detection head bracket (15), the detection head bracket (15) being fixedly connected to the outer surface of a fixing ring (1) by bolts, and an infrared crack detection probe (16) being arranged on the detection head bracket (15).

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