Construction project concrete crack detection ruler

By designing a concrete crack detection ruler comprising a base plate, an adjustment device and a ratchet pawl structure, the stability problem of the detection ruler on uneven ground is solved, stable positioning and convenient restoration on uneven surfaces are achieved, and the accuracy and convenience of detection are ensured.

CN223307470UActive Publication Date: 2025-09-05山东正信招标有限责任公司
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Patent Information

Application Number
CN202422668950.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-05
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing construction project concrete crack detection rulers are difficult to use on uneven ground and cannot effectively detect cracks.

Method used

A detection ruler structure including a base plate, an adjustment device, a support block, a sliding block, a ratchet and a pawl is designed. The height of the support foot is adjusted by rotating the adjustment knob to ensure the stability of the detection ruler on uneven surfaces. The ratchet and pawl cooperate to prevent sliding, thereby realizing the detection of cracks of different depths.

Benefits of technology

The stable positioning and convenient restoration of the detection ruler on uneven surfaces are achieved, ensuring the accuracy of crack detection at different depths and the convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a construction engineering concrete crack detection ruler which comprises a bottom plate, adjusting devices are arranged on the two sides of the upper surface of the bottom plate, a supporting block is arranged at the center of the upper surface of the bottom plate, a long-strip-shaped sliding groove is formed in the back face of the supporting block, a sliding block is arranged on the supporting block in a sleeved mode, and a detection ruler is arranged on the front face of the sliding block. The detection ruler is simple in structure and convenient to operate, the height of the supporting legs is adjusted by rotating the adjusting knobs, so that the position of the detection ruler is leveled, the applicability of the detection ruler on an uneven surface is ensured, cracks with different depths can be detected by the detection ruler through the cooperation of the pawls on the moving plate and the ratchets in the long-strip sliding grooves, and the detection efficiency is improved. And when the detection ruler needs to be restored, the knob needs to be manually pulled to separate the pawl from the ratchet, and the detection ruler can be restored to the original position, so that the detection ruler is very convenient and clear.
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Description

Technical Field

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

[0002] Currently, construction projects refer to all types of buildings and engineering facilities that provide the material and technological foundation for human life and production. Construction projects are organized, purposeful, and large-scale economic activities. Based on their physical attributes, construction projects can be categorized into three types: architectural engineering, civil engineering, and mechanical and electrical engineering. They are projects that generate comprehensive production capacity or maximize project benefits during the reproduction of fixed assets. Construction projects refer to the construction of new or the renovation of existing fixed assets.

[0003] Among them, when detecting concrete cracks in construction projects, a crack detection ruler is usually needed. In the prior art, a construction project concrete crack detection ruler with patent announcement number CN216348223U is provided. This patent uses the coordination between the bottom plate, anti-slip pad, avoidance notch, vertical rod, sliding sleeve, threaded handle and first scale line to make it possible to fix the depth during measurement. The crack width can be measured by the coordination of the rectangular tube, guide rod, measuring plate, protrusion, measuring mechanism, measuring rod, guide sleeve and second scale line, so that the construction project concrete crack detection ruler can realize fixed depth crack measurement; the above patent can usually only be used on flat ground. If the ground is not flat, the patent is difficult to apply, so we need a construction project concrete crack detection ruler to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a construction engineering concrete crack detection ruler, which solves the problems in the above-mentioned background technology.

[0005] The utility model is realized in this way: a construction engineering concrete crack detection ruler comprises: a base plate, adjustment devices are provided on both sides of the upper surface of the base plate, a support block is provided at the center of the upper surface of the base plate, a long slide groove is provided on the back of the support block, a sliding block is sleeved on the support block, and a detection ruler is provided on the front of the sliding block.

[0006] A further technical solution of the present utility model is: a ratchet is provided on the long slide groove, a connecting rod is provided on the back of the sliding block, the connecting rod is movably connected to the sliding block, one end of the connecting rod is placed in the long slide groove and a movable plate is provided on the end face, and the other end of the connecting rod passes through the sliding block and a knob is provided on the end face.

[0007] A further technical solution of the present invention is: a spring is provided between the knob and the sliding block, the spring is wound on the connecting rod and one end of the spring is connected to the knob, and the other end of the spring is connected to the sliding block.

[0008] A further technical solution of the present invention is that a pawl is provided on the surface of the movable plate to match the ratchet teeth. The ratchet teeth and the pawl match together.

[0009] A further technical solution of the present utility model is: the adjustment device includes: a support box, a support foot, a guide rod, and a threaded rod, threaded through holes and guide holes are provided on both sides of the upper surface of the base plate, one end of the threaded rod passes through the support box and an adjustment knob is provided on the end face, the other end of the threaded rod passes through the threaded through hole and a support foot is provided on the end face, and the threaded rod is rotatably connected to the support foot.

[0010] A further technical solution of the present invention is: a guide rod is provided on the supporting foot, one end of the guide rod is connected to the supporting foot, and the other end of the guide rod passes through the guide hole and is placed in the supporting box.

[0011] A further technical solution of the present invention is: a guide rod is provided on the supporting foot, one end of the guide rod is connected to the supporting foot, and the other end of the guide rod passes through the guide hole and is placed in the supporting box.

[0012] The beneficial effects of the utility model are as follows: the utility model has a simple structure and is easy to operate. The height of the supporting feet can be adjusted by rotating the adjustment knob, so that the position of the detection ruler can be leveled to ensure the applicability of the detection ruler on uneven surfaces. The cooperation between the pawl on the movable plate and the ratchet in the long slide groove can allow the detection ruler to detect cracks of different depths, and can ensure that the position of the detection ruler will not slide at will. When restoration is required, it is necessary to manually pull the knob to separate the pawl and the ratchet, so that the detection ruler can be restored to its original position, which is very convenient and clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of a construction engineering concrete crack detection ruler provided by the utility model;

[0014] Figure 2 This is a rear view of a construction engineering concrete crack detection ruler provided by the utility model;

[0015] Figure 3 This is a top view of a construction engineering concrete crack detection ruler provided by the utility model;

[0016] Figure 4 The utility model is a cross-sectional view of a construction engineering concrete crack detection ruler.

[0017] Figure numerals: 1. Base plate; 2. Adjustment device; 21. Support box; 22. Support foot; 23. Guide rod; 24. Threaded rod; 3. Detection ruler; 4. Support block; 41. Long slide groove; 42. Ratchet; 5. Sliding block; 51. Connecting rod; 52. Moving plate; 53. Spring; 54. Knob. DETAILED DESCRIPTION

[0018] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention.

[0019] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for understanding and reading by those familiar with this technology, and are not used to limit the conditions for implementation of the present invention. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose of the present invention. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments in their relative relationships should also be considered as the scope of implementation of the present invention without substantially changing the technical content.

[0020] Example 1: Figure 1-Figure 3 The present invention provides a construction engineering concrete crack detection ruler, comprising: a base plate 1, an adjustment device 2 is provided on both sides of the upper surface of the base plate 1, a support block 4 is provided at the center of the upper surface of the base plate, a long slide groove 41 is provided on the back of the support block 4, a sliding block 5 is sleeved on the support block 4, and a detection ruler 3 is provided on the front of the sliding block 5; a ratchet 42 is provided on the long slide groove 41, and a connecting rod 51 is provided on the back of the sliding block 5, and the connecting rod 51 is movably connected to the sliding block 5. One end of the connecting rod 51 is placed in the long slide groove 41 and a movable plate 52 is provided on the end surface. The other end of the connecting rod 51 passes through the sliding block 5 and a knob 54 is provided on the end surface; a spring 53 is provided between the knob 54 and the sliding block 5, and the spring 53 is wound on the connecting rod 51 and one end is connected to the knob 54, and the other end of the spring 53 is connected to the sliding block 5; the surface of the movable plate 52 is provided with a pawl that cooperates with the ratchet.

[0021] in Figure 4The core component adjustment device 2 of the present invention is displayed, and the adjustment device 2 includes: a support box 21, a support foot 22, a guide rod 23, and a threaded rod 24. Threaded through holes and guide holes are provided on both sides of the upper surface of the base plate 1. One end of the threaded rod 24 passes through the support box 21 and an adjustment knob is provided on the end face. The other end of the threaded rod 24 passes through the threaded through hole and a support foot 22 is provided on the end face. The threaded rod 24 is rotatably connected to the support foot 22. A guide rod 23 is provided on the support foot 22. One end of the guide rod 23 is connected to the support foot 22, and the other end of the guide rod 23 passes through the guide hole and is placed in the support box 21. The bottom surface of the support foot 22 is provided with an anti-slip pad.

[0022] The utility model has a simple structure and is easy to operate. The height of the supporting foot 22 is adjusted by rotating the adjustment knob, thereby leveling the position of the detection ruler 3 and ensuring the applicability of the detection ruler 3 on uneven surfaces. The cooperation between the pawl on the movable plate 52 and the ratchet in the long slide groove 41 can allow the detection ruler 3 to detect cracks of different depths, and can ensure that the position of the detection ruler 3 will not slide randomly. When restoration is required, it is necessary to manually pull the knob to separate the pawl and the ratchet, so that the detection ruler can be restored to its original position. It is very convenient and clear.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A construction engineering concrete crack detection ruler, comprising: A base plate (1) is characterized in that adjustment devices (2) are provided on both sides of the upper surface of the base plate (1), a support block (4) is provided at the center of the upper surface of the base plate, a long sliding groove (41) is provided on the back of the support block (4), a sliding block (5) is sleeved on the support block (4), and a detection ruler (3) is provided on the front of the sliding block (5).

2. A construction engineering concrete crack detection ruler according to claim 1, characterized in that: The long chute (41) is provided with a ratchet (42), and the back of the sliding block (5) is provided with a connecting rod (51). The connecting rod (51) is movably connected to the sliding block (5), one end of the connecting rod (51) is placed in the long chute (41) and a movable plate (52) is provided on the end surface, and the other end of the connecting rod (51) passes through the sliding block (5) and a knob (54) is provided on the end surface.

3. A construction engineering concrete crack detection ruler according to claim 2, characterized in that: A spring (53) is provided between the knob (54) and the sliding block (5). The spring (53) is wound around the connecting rod (51) and one end of the spring is connected to the knob (54). The other end of the spring (53) is connected to the sliding block (5).

4. A construction engineering concrete crack detection ruler according to claim 3, characterized in that: The surface of the movable plate (52) is provided with a ratchet pawl matched with the ratchet teeth.

5. A construction engineering concrete crack detection ruler according to claim 1, characterized in that: The adjustment device (2) comprises: a support box (21), a support foot (22), a guide rod (23), and a threaded rod (24); threaded through holes and guide holes are provided on both sides of the upper surface of the base plate (1); one end of the threaded rod (24) passes through the support box (21) and an adjustment knob is provided on the end face; the other end of the threaded rod (24) passes through the threaded through hole and a support foot (22) is provided on the end face; the threaded rod (24) is rotatably connected to the support foot (22).

6. A construction engineering concrete crack detection ruler according to claim 5, characterized in that: A guide rod (23) is provided on the support foot (22), one end of the guide rod (23) is connected to the support foot (22), and the other end of the guide rod (23) passes through the guide hole and is placed in the support box (21).

7. A construction engineering concrete crack detection ruler according to claim 6, characterized in that: The bottom surface of the supporting foot (22) is provided with an anti-slip pad.

Citation Information

Patent Citations

  • Construction project concrete crack detection ruler

    CN216348223U