Crack detection ruler for constructional engineering quality detection

Abstract

The utility model relates to the technical field of constructional engineering detection, in particular to a crack detection ruler for constructional engineering quality detection, which comprises a first detection ruler, first scale values are arranged on the first detection ruler, and two symmetrical side surfaces of the first detection ruler are respectively provided with a first adjusting chute. According to the technical scheme of the utility model, the first detection ruler, the first scale value, the first adjusting sliding groove, the adjusting sliding plate, the U-shaped moving shell, the damping shaft, the second detection ruler, the second scale value, the second adjusting sliding groove, the L-shaped moving ruler, the third scale value, the limiting groove, the locking threaded rod, the locking nut and the crack width detection structure are cooperatively arranged. The crack detection ruler can be adjusted to a proper length according to the overall length of a crack, and the second detection ruler and the L-shaped movable ruler can be rotated to a proper angle according to the bending angle of the crack, so that the crack detection ruler can detect the bent crack with an angle, and the application range of the crack detection ruler is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering detection, in particular to a crack detection ruler for construction engineering quality detection. Background Art

[0002] Construction projects refer to the engineering entities formed by the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. "Buildings" refer to projects with roofs, beams, columns, walls, foundations, and internal spaces that can meet people's needs for production, living, learning, and public activities. In order to ensure the quality of construction projects, it is necessary to conduct quality inspections on construction projects. Using crack measurement equipment to inspect the main body and accessories of the building is one of the common inspection items.

[0003] A patent with announcement number CN217764754U discloses a crack detection ruler for construction project quality inspection. The crack detection ruler can move the measuring needle to the edge of the crack by rotating the rotating wheel, so as to obtain the specific width value of the crack. The bottom of the measuring needle is bent inward, and can be used to measure smaller gaps. When encountering cracks that are bent at an angle, the crack detection ruler for construction project quality inspection is not convenient for inspection operations on the cracks that are bent at an angle. It is necessary to first inspect a section of the crack and then re-inspect the crack that has an angle with the previous crack, which makes the entire inspection process take a long time and reduces the efficiency of crack detection. Therefore, a crack detection ruler for construction project quality inspection is needed to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the utility model is to provide a crack detection ruler for construction engineering quality inspection to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a crack detection ruler for construction project quality inspection, including a first detection ruler, a first scale value is set on the first detection ruler, two symmetrical side surfaces of the first detection ruler are provided with first adjustment grooves, the inner walls of the two first adjustment grooves are slidably connected with adjustment slides, one side of the two adjustment slides is fixedly connected with a U-shaped movable shell, the top side of the U-shaped movable shell is fixedly connected with a damping shaft, the outer surface of the damping shaft is rotatably connected with a second detection ruler, the top side of the second detection ruler is provided with a second scale value, the bottom side of the second detection ruler is provided with a second adjustment groove, the inner wall of the second adjustment groove is slidably connected with an L-shaped movable ruler, the top side of the L-shaped movable ruler is provided with a third scale value, the top side of the second detection ruler is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a locking threaded rod fixedly connected to the L-shaped movable ruler, the outer surface of the locking threaded rod is threadedly connected with a locking nut, and one end of the first detection ruler and the L-shaped movable ruler are both provided with a crack width detection structure.

[0007] Preferably, any of the above schemes comprises a U-shaped mounting frame, a fourth scale value, a bidirectional screw, a movable plate, a pointer, a measuring needle and a guide rod, one side of the first detection ruler and the L-shaped movable ruler are fixedly connected to the U-shaped mounting frame, the top side of the U-shaped mounting frame is provided with a fourth scale value, a bidirectional screw is provided on the U-shaped mounting frame, two movable plates are provided on the bidirectional screw, the top sides of the two movable plates are fixedly connected with pointers corresponding to the positions of the fourth scale values, the bottom sides of the two movable plates are fixedly connected with measuring needles, and one side of the U-shaped mounting frame is fixedly connected with the guide rod.

[0008] Preferably, any of the above solutions is that a portion of the first detecting ruler is located inside the U-shaped moving shell, and the U-shaped moving shell is slidably connected to the first detecting ruler.

[0009] Preferably, any of the above solutions has a length of the second detection ruler equal to a length of the first detection ruler, and the L-shaped movable ruler is adapted to the size of the adjustment slot.

[0010] Preferably, any of the above solutions has a cross-sectional shape of the damping shaft in a T-shape, and the damping shaft is connected to the second detection ruler in a damped rotation manner.

[0011] Preferably, any of the above schemes is that the guide rod passes through the movable plate, and the movable plate is slidably connected to the guide rod.

[0012] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0013] By coordinating and arranging the first detection ruler, the first scale value, the first adjustment slot, the adjustment slide plate, the U-shaped movable shell, the damping shaft, the second detection ruler, the second scale value, the second adjustment slot, the L-shaped movable ruler, the third scale value, the limit groove, the locking threaded rod, the locking nut and the crack width detection structure, the crack detection ruler can be adjusted to a suitable length according to the overall length of the crack, and the second detection ruler and the L-shaped movable ruler can be rotated to a suitable angle according to the bending angle of the crack, so that the crack detection ruler can perform detection operations on cracks with bending angles, thereby expanding the application scope of the crack detection ruler, making the entire detection process relatively simple, and improving the efficiency of crack detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model without rotating the second detection ruler;

[0016] Figure 3 This is a schematic structural diagram of the second rotating ruler and its connecting components of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the U-shaped moving shell and its connecting components of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the first detection ruler and its connecting components of the utility model;

[0019] Figure 6 The utility model is a schematic structural diagram of an L-shaped movable ruler and its connecting components.

[0020] In the figure: 1-first detection ruler, 2-first scale value, 3-first adjusting slot, 4-adjusting slide plate, 5-U-shaped moving shell, 6-damping shaft, 7-second detection ruler, 8-second scale value, 9-second adjusting slot, 10-L-shaped moving ruler, 11-third scale value, 12-limiting groove, 13-locking threaded rod, 14-locking nut, 15-crack width detection structure, 1501-U-shaped mounting frame, 1502-fourth scale value, 1503-bidirectional screw, 1504-moving plate, 1505-pointer, 1506-measuring needle, 1507-guide rod. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figures 1 to 6As shown, a crack detection ruler for construction engineering quality inspection comprises a first detection ruler 1, a first scale value 2 is arranged on the first detection ruler 1, two symmetrical sides of the first detection ruler 1 are provided with first adjustment slots 3, the inner walls of the two first adjustment slots 3 are slidably connected with adjustment slide plates 4, and there is friction damping between the adjustment slide plates 4 and the first adjustment slots 3, so that the adjustment slide plates 4 can be moved to a suitable position so that the adjustment slide plates 4 can no longer be moved easily, and one side of the two adjustment slide plates 4 is fixedly connected with a U-shaped moving The U-shaped movable shell 5 is fixedly connected with a damping shaft 6 on the top side, and a second detection ruler 7 is rotatably connected to the outer surface of the damping shaft 6. A second scale value 8 is arranged on the top side of the second detection ruler 7. A second adjusting slot 9 is provided on the bottom side of the second detection ruler 7. An L-shaped movable ruler 10 is slidably connected to the inner wall of the second adjusting slot 9. A third scale value 11 is arranged on the top side of the L-shaped movable ruler 10. A limiting slot 12 is provided on the top side of the second detection ruler 7. A locking threaded rod 13 fixedly connected to the L-shaped movable ruler 10 is slidably connected to the inner wall of the limiting slot 12. The locking threaded rod 13 fixedly connected to the L-shaped movable ruler 10 is provided on the inner wall of the limiting slot 12. The outer surface of the tight threaded rod 13 is threadedly connected with a locking nut 14. One end of the first detection ruler 1 and the L-shaped movable ruler 10 are both provided with a crack width detection structure 15. When measuring the crack, if the crack is relatively straight, the U-shaped movable shell 5 can be slid on the first detection ruler 1, and the U-shaped movable shell 5 is adjusted to extend to a suitable length according to the length of the crack. At this time, the L-shaped movable ruler 10 also moves accordingly. When the U-shaped movable shell 5 is fully extended, if all the cracks have not been detected, the L-shaped movable ruler 10 can be moved from the second adjustment slot 9. Move the L-shaped movable ruler 10 out from the inside, adjust the L-shaped movable ruler 10 to a suitable extended length, and make the locking nut 14 fit tightly with the second detection ruler 7, fix the L-shaped movable ruler 10 in a suitable position, and then observe the indications of the first scale value 2, the second scale value 8 and the third scale value 11 to understand the length of the crack. If the crack is bent or curved, rotate the second detection ruler 7 to a suitable angle, and keep the second detection ruler 7 at a suitable angle under the action of the damping shaft 6, and then the cracks at both ends of the bend can be detected at the same time.

[0023] As an optional technical solution of the utility model, the crack detection structure 15 includes a U-shaped mounting frame 1501, a fourth scale value 1502, a bidirectional screw rod 1503, a movable plate 1504, a pointer 1505, a measuring needle 1506 and a guide rod 1507. One side of the first detection ruler 1 and the L-shaped movable ruler 10 are fixedly connected with the U-shaped mounting frame 1501, and the top side of the U-shaped mounting frame 1501 is provided with a fourth scale value 1502. A bidirectional screw rod 1503 is provided on the U-shaped mounting frame 1501, and two movable plates 1504 are provided on the bidirectional screw rod 1503. The top sides of the two movable plates 1504 are fixedly connected with pointers 1505 corresponding to the position of the fourth scale value 1502. The two movable plates 1 A measuring needle 1506 is fixedly connected to the bottom side of 504, a guide rod 1507 is fixedly connected to one side of the U-shaped mounting frame 1501, and a knob is fixedly connected to one end of the bidirectional screw rod 1503. The knob can be used to rotate the bidirectional screw rod 1503. When detecting a crack, the measuring needle 1506 is inserted into the crack, and then the bidirectional screw rod 1503 is rotated. At this time, the two movable plates 1504 will move relative to each other at the same time and move the same distance. At this time, the two measuring needles 1506 will move at the same time and move the same distance, so that the two measuring needles 1506 are tightly fitted to the inner wall of the crack. By observing the position of the pointer 1505 and the fourth scale value 1502, the width of the crack can be understood.

[0024] As an optional technical solution of the present invention, a part of the first detecting ruler 1 is located inside the U-shaped moving shell 5, and the U-shaped moving shell 5 is slidably connected to the first detecting ruler 1, so that the U-shaped moving shell 5 can move smoothly.

[0025] As an optional technical solution of the present invention, the length of the second detection ruler 7 is equal to the length of the first detection ruler 1 , and the L-shaped movable ruler 10 is adapted to the size of the adjustment slide groove 9 .

[0026] As an optional technical solution of the present invention, the cross-sectional shape of the damping shaft 6 is T-shaped, and the damping shaft 6 is connected to the second detection ruler 7 for damping rotation, so that the second detection ruler 7 can no longer be easily rotated after the second detection ruler 7 is rotated to a suitable angle.

[0027] As an optional technical solution of the present invention, the guide rod 1507 passes through the movable plate 1504, and the movable plate 1504 is slidingly connected to the guide rod 1507. The movable plate 1504 is guided by the guide rod 1507 so that the movable plate 1504 can only move linearly along the direction of the guide rod 1507.

[0028] A crack detection ruler for construction engineering quality inspection, the working principle of linear crack detection is as follows:

[0029] The U-shaped movable shell 5 is slid on the first detection ruler 1, and the U-shaped movable shell 5 is adjusted to extend to a suitable length according to the length of the crack. At this time, the L-shaped movable ruler 10 also moves accordingly. When the U-shaped movable shell 5 is fully extended, if all the cracks have not been detected, the L-shaped movable ruler 10 can be moved out from the inside of the second adjustment slot 9, and the L-shaped movable ruler 10 is adjusted to a suitable extension length, and the locking nut 14 is tightly fitted with the second detection ruler 7, and the L-shaped movable ruler 10 is fixed in a suitable position, and then the length of the crack can be understood by observing the indications of the first scale value 2, the second scale value 8 and the third scale value 11.

[0030] The working principle of bending crack detection is as follows:

[0031] The U-shaped movable shell 5 is slid on the first detection ruler 1, and the U-shaped movable shell 5 is adjusted to extend to a suitable length according to the length of the crack, so that the end of the U-shaped movable shell 5 corresponds to the end position of a section of the crack. At this time, the length of this section of the crack can be understood by observing the first scale value 2, and then the second detection ruler 7 is rotated to a suitable angle, and the second detection ruler 7 is kept at a suitable angle under the action of the damping shaft 6, and the L-shaped movable ruler 10 is moved out from the inside of the second adjustment slot 9, and the L-shaped movable ruler 10 is adjusted to a suitable extension length, and the locking nut 14 is tightly fitted with the second detection ruler 7, and the L-shaped movable ruler 10 is fixed in a suitable position. At this time, the length of another section of the crack can be understood by observing the second scale value 8 and the third scale value 11.

[0032] To sum up, the crack detection ruler for construction project quality inspection, through the coordinated arrangement of the first detection ruler 1, the first scale value 2, the first adjustment slot 3, the adjustment slide plate 4, the U-shaped movable shell 5, the damping shaft 6, the second detection ruler 7, the second scale value 8, the second adjustment slot 9, the L-shaped movable ruler 10, the third scale value 11, the limit groove 12, the locking threaded rod 13, the locking nut 14 and the crack width detection structure 15, can adjust the crack detection ruler to a suitable length according to the overall length of the crack, and can rotate the second detection ruler 7 and the L-shaped movable ruler 10 to a suitable angle according to the bending angle of the crack, so that the crack detection ruler can perform detection operations on cracks with bending angles, thereby expanding the scope of application of the crack detection ruler, making the entire detection process relatively simple, and improving the efficiency of crack detection.

Claims

1. A crack detection ruler for construction engineering quality inspection, characterized by: The invention comprises a first detection ruler (1), wherein the first detection ruler (1) is provided with a first scale value (2), wherein two symmetrical side surfaces of the first detection ruler (1) are each provided with a first adjustment slot (3), wherein the inner walls of the two first adjustment slots (3) are both slidably connected with an adjustment slide plate (4), wherein one side of the two adjustment slide plates (4) is fixedly connected with a U-shaped moving shell (5), wherein the top side of the U-shaped moving shell (5) is fixedly connected with a damping shaft (6), wherein the outer surface of the damping shaft (6) is rotatably connected with a second detection ruler (7), wherein the top side of the second detection ruler (7) is provided with a second scale value (8), wherein the second detection ruler A second adjusting slot (9) is provided on the bottom side of the second adjusting slot (9), an L-shaped movable ruler (10) is slidably connected to the inner wall of the second adjusting slot (9), a third scale value (11) is provided on the top side of the L-shaped movable ruler (10), a limiting slot (12) is provided on the top side of the second detection ruler (7), a locking threaded rod (13) fixedly connected to the L-shaped movable ruler (10) is slidably connected to the inner wall of the limiting slot (12), a locking nut (14) is threadedly connected to the outer surface of the locking threaded rod (13), and one end of each of the first detection ruler (1) and the L-shaped movable ruler (10) is provided with a crack width detection structure (15).

2. A crack detection ruler for construction engineering quality inspection according to claim 1, characterized in that: The crack width detection structure (15) comprises a U-shaped mounting frame (1501), a fourth scale value (1502), a bidirectional screw rod (1503), a movable plate (1504), a pointer (1505), a measuring needle (1506) and a guide rod (1507); one side of the first detection ruler (1) and the L-shaped movable ruler (10) are both fixedly connected to the U-shaped mounting frame (1501); the top side of the U-shaped mounting frame (1501) is provided with a fourth scale value (1502); A bidirectional screw rod (1503) is arranged on the U-shaped mounting frame (1501), and two movable plates (1504) are arranged on the bidirectional screw rod (1503). The top sides of the two movable plates (1504) are fixedly connected with pointers (1505) corresponding to the position of the fourth scale value (1502), and the bottom sides of the two movable plates (1504) are fixedly connected with measuring needles (1506). One side of the U-shaped mounting frame (1501) is fixedly connected with a guide rod (1507).

3. A crack detection ruler for construction engineering quality inspection according to claim 2, characterized in that: A portion of the first detection ruler (1) is located inside the U-shaped movable shell (5), and the U-shaped movable shell (5) is slidably connected to the first detection ruler (1).

4. A crack detection ruler for construction engineering quality inspection according to claim 3, characterized in that: The length of the second detection ruler (7) is equal to the length of the first detection ruler (1), and the L-shaped movable ruler (10) is adapted to the size of the adjustment slide groove (9).

5. A crack detection ruler for construction engineering quality inspection according to claim 4, characterized in that: The cross-sectional shape of the damping shaft (6) is T-shaped, and the damping shaft (6) is connected to the second detection ruler (7) in a damping rotation manner.

6. A crack detection ruler for construction engineering quality inspection according to claim 5, characterized in that: The guide rod (1507) passes through the movable plate (1504), and the movable plate (1504) is slidably connected to the guide rod (1507).

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