Bridge crack detection device

Abstract

The utility model relates to the technical field of bridge detection, and particularly discloses a bridge crack detection device which comprises a connecting seat; the device further comprises two sliding seats, and the two sliding seats are distributed on the front side and the rear side of the connecting seat; the adjusting assembly is arranged between the two sliding seats, the adjusting assembly is used for adjusting the two detection probes for multiple times according to the position of the crack, the adjusting assembly comprises a transmission gear, and transmission toothed plates are arranged on the upper side and the lower side of the transmission gear; by sliding one detection probe and the transmission toothed plate, the other detection probe can synchronously and reversely slide under the action of the transmission toothed plate and the transmission gear, so that the two detection probes can be arranged on the left side and the right side of a crack to be detected, the cross-crack detection can be conveniently completed, the detection probes and the vernier can synchronously slide on tooth marks, multiple times of detection are achieved, errors are reduced, and the detection accuracy is improved. The two detection probes can be distributed on the two sides of the crack at equal intervals, and rapid and accurate measurement of the width of the crack is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge detection technical field, concretely is bridge crack detection device. BACKGROUND

[0002] Bridge crack detection is an important link to ensure the safety of bridge structure, and the detection of bridge cracks is divided into length, width and depth. The detection of bridge cracks is a complex and important process, which requires selecting appropriate detection methods, ensuring the accuracy of detection equipment, combining various detection methods and considering the influence of environmental factors on the detection results. Through scientific detection methods and means, bridge crack problems can be discovered and handled in time to ensure the safe operation of the bridge. The existing bridge crack detection tool is a crack width measuring instrument, which is a special instrument for measuring crack width. It can directly measure the crack and provide accurate crack width data. This instrument is very common in bridge detection and is an important tool for evaluating crack severity.

[0003] The crack width measuring instrument needs two detection probes to detect the crack multiple times to obtain accurate data and reduce errors. However, during the measurement process, the worker usually measures the distance from the crack to the ruler multiple times to ensure the accuracy of the position of the width measuring instrument and avoid measurement deviation. The worker's verification process is more complicated, reducing the inspection efficiency. Therefore, we propose a bridge crack detection device. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a bridge crack detection device to solve the problem of measuring the distance from the crack to the ruler multiple times to ensure the accuracy of the position of the width measuring instrument and avoid measurement deviation during the measurement process.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a bridge crack detection device, comprising: a connecting seat;

[0006] Further comprising:

[0007] The sliding seat is provided with two sliding seats, which are distributed on the front and rear sides of the connecting seat.

[0008] The adjusting assembly is arranged between the two sliding seats, and the adjusting assembly is used for adjusting the two detection probes multiple times according to the position of the crack. The adjusting assembly comprises a transmission gear, transmission gear plates are arranged on the upper and lower sides of the transmission gear, and the transmission gear is movably connected with the connecting seat.

[0009] The two telescopic rods are symmetrically distributed about the center axis of the connecting seat.

[0010] The bottom end of the two transmission tooth plates is fixedly connected with a sliding rail, the longitudinal section of the sliding rail is arranged in a T shape, the inner wall of the sliding seat is provided with a sliding groove, and the sliding rail is slidably connected with the sliding groove.

[0011] The top of the two transmission tooth plates is fixedly connected with a positioning rod, the outer wall of the positioning rod is threadedly connected with a positioning nut, the outer wall of the sliding seat is provided with a positioning groove, and the sliding seat is slidably connected with the positioning rod through the positioning groove.

[0012] The top end of the two positioning rods is fixedly connected with a vernier, the upper side of the sliding seat is provided with a tooth trace, and the tooth trace is arranged below the vernier.

[0013] The front end of the two transmission tooth plates is fixedly connected with a fixed plate, the front and rear ends of the fixed plate are fixedly connected with limiting plates, a positioning ring is slidably connected between the two limiting plates, the four corners of the positioning ring are fixedly connected with return springs, and the positioning ring is movably connected with the fixed plate through the return springs.

[0014] The positioning ring on the two sides is in a same straight line with the transmission gear, and the inner wall of the positioning ring is fixedly connected with a protective pad.

[0015] The utility model at least has the following beneficial effects:

[0016] By sliding one detection probe and the transmission tooth plate, under the action of the transmission gear, the other detection probe can synchronously slide reversely, and then the two detection probes can be on the left and right sides of the crack to be detected, so that the cross-crack detection can be completed, the detection probe and the vernier can synchronously slide on the tooth trace, multiple detections can reduce errors, the two detection probes can be equidistantly distributed on the two sides of the crack, and the rapid and accurate measurement of the crack width is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 It is a sliding seat and connecting seat connecting structural schematic diagram of the utility model;

[0020] Figure 4 It is a transmission gear and transmission tooth plate connecting structural schematic diagram of the utility model;

[0021] Figure 5 It is a positioning ring and positioning ring connecting structural schematic diagram of the utility model.

[0022] In the figure: 001, connecting seat; 002, sliding seat; 003, adjusting assembly; 110, telescopic rod; 301, transmission gear; 302, transmission tooth plate; 310, sliding rail; 320, sliding groove; 330, positioning rod; 340, positioning nut; 350, positioning groove; 360, vernier; 370, tooth mark; 321, fixed plate; 322, limiting plate; 323, positioning ring; 324, return spring; 325, protective pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0024] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: bridge crack detection device, comprising: connecting seat 001;

[0025] Further comprising:

[0026] Sliding seat 002 is provided with two, two sliding seats 002 are distributed in the front and back of connecting seat 001;

[0027] Adjusting assembly 003 is set between two sliding seats 002, adjusting assembly 003 is used to adjust two detection probes according to the position of crack multiple times, adjusting assembly 003 includes transmission gear 301, the upper and lower sides of transmission gear 301 are provided with transmission tooth plate 302, and transmission gear 301 is movably connected with connecting seat 001.

[0028] Among them, staff can be placed in two positioning rings 323 inside two detection probes respectively, then, according to the standard mark tooth mark 370 verified on sliding seat 002, slide one detection probe, the transmission tooth plate 302 of its back side is slid on sliding seat 002, relatively, the sliding tooth plate on the other sliding seat 002 and detection probe synchronous reverse movement, two detection probes can be on the both sides of crack to be measured, ensure that the distance between two detection probes and crack to be measured is equal.

[0029] The lower of connecting seat 001 is fixedly connected with two telescopic rods 110, and the two telescopic rods 110 are symmetrically distributed about the center axis of connecting seat 001.

[0030] When the cross-crack detection is needed, the worker can lengthen the two telescopic rods 110, and insert the two telescopic rods 110 into the crack, so as to assist the worker to detect that the connecting seat 001 is perpendicular to the crack, thereby ensuring that the detection probe is perpendicular to the crack to be detected.

[0031] The bottom end of each of the two transmission tooth plates 302 is fixedly connected with a sliding rail 310, the longitudinal section of the sliding rail 310 is arranged in a "T" shape, the inner wall of the sliding seat 002 is provided with a sliding groove 320, and the sliding rail 310 and the sliding groove 320 are in sliding connection.

[0032] The top end of each of the two transmission tooth plates 302 is fixedly connected with a positioning rod 330, the outer wall of the positioning rod 330 is threadedly connected with a positioning nut 340, and the outer wall of the sliding seat 002 is provided with a positioning groove 350, and the sliding seat 002 is in sliding connection with the positioning rod 330 through the positioning groove 350.

[0033] The sliding rail 310 and the sliding groove 320 are arranged to ensure that the two sliding rails 310 stably slide in the sliding seat 002, and prevent the sliding rail 310 from being separated from the sliding seat 002.

[0034] The top end of each of the two positioning rods 330 is fixedly connected with a vernier 360, and the upper portion of the sliding seat 002 is provided with a tooth mark 370, and the tooth mark 370 is arranged below the vernier 360.

[0035] When the detection probe is sliding, the vernier 360 slides on the tooth mark 370 at the same time, the tooth mark 370 is a standard scale that has been tested, and the worker can adjust the position of the detection probe according to the tooth mark 370, and place the two detection probes on different width scale lines, so as to accurately read the corresponding scale line width on the screen of the detector, and the worker can compare the difference between the reading on the screen and the actual scale line width, thereby reducing the error.

[0036] Meanwhile, after the worker selects a scale, the positioning nut 340 can be rotated to tightly abut against the sliding seat 002, so as to fix the positioning rod 330, and prevent the transmission tooth plate 302 from moving during detection, thereby preventing measurement errors. Embodiment

[0037] As Figure 5 In the second embodiment, the other structures are unchanged, and different from the first embodiment, the front end of each of the two transmission tooth plates 302 is fixedly connected with a fixed plate 321, the front end and the rear end of the fixed plate 321 are fixedly connected with a limiting plate 322, a positioning ring 323 is slidably connected between the two limiting plates 322, a reset spring 324 is fixedly connected to the four corners of the positioning ring 323, and the positioning ring 323 is movably connected to the fixed plate 321 through the reset spring 324.

[0038] Wherein, when detecting, the staff can press two detection probes at the same time, so that the two detection probes can contact the ground at the same time, after detecting a position, the reset spring 324 can drive the detection probe to separate from the ground, so as to detect the next scale position, the crack width tester measures the width of the crack on different scales of the tooth mark 370 by combining image processing technology and optical measurement principle, the setting can assist the crack width tester to measure the crack width more quickly and accurately, reduce the time of the staff checking, and improve the detection reliability.

[0039] The positioning ring 323 on both sides is in a straight line with the transmission gear 301, and the inner wall of the positioning ring 323 is fixedly connected with a protective pad 325.

[0040] Wherein, the setting of the positioning ring 323 can ensure that the two probes are in a straight line, and the two probes can be perpendicular to the crack, and the authenticity of detection is improved.

[0041] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bridge crack detection apparatus, comprising: The connecting seat (001) is characterized in that: It further comprises: The sliding seat (002) is provided with two, two of which are distributed on the front and rear sides of the connecting seat (001); The adjusting assembly (003) is arranged between the two sliding seats (002), and is used for adjusting the two detection probes according to the position of the crack multiple times, and comprises a transmission gear (301), the upper and lower sides of the transmission gear (301) are provided with transmission tooth plates (302), and the transmission gear (301) is movably connected with the connecting seat (001).

2. The bridge crack detection apparatus according to claim 1, characterized by: The connecting seat (001) is characterized in that:

3. The bridge crack detection apparatus of claim 1, wherein: The bottom end of the two transmission tooth plates (302) is fixedly connected with a slide rail (310), the longitudinal section of the slide rail (310) is provided in a "T" shape, the inner wall of the sliding seat (002) is provided with a sliding groove (320), and the slide rail (310) and the sliding groove (320) are slidably connected.

4. The bridge crack detection apparatus of claim 1, wherein: The top end of the two positioning rods (330) is fixedly connected with a vernier (360), the upper side of the sliding seat (002) is provided with a tooth mark (370), and the tooth mark (370) is arranged below the vernier (360).

5. The bridge crack detection apparatus of claim 4, wherein: The front end of the two transmission tooth plates (302) is fixedly connected with a fixed plate (321), the front and rear ends of the fixed plate (321) are fixedly connected with limiting plates (322), the limiting plates (322) are slidably connected with a positioning ring (323) between them, the four corners of the positioning ring (323) are fixedly connected with return springs (324), and the positioning ring (323) and the fixed plate (321) are movably connected through the return springs (324).

6. The bridge crack detection apparatus of claim 1, wherein: The positioning ring (323) on both sides is in the same straight line with the transmission gear (301), and the inner wall of the positioning ring (323) is fixedly connected with a protective pad (325).

7. The bridge crack detection apparatus of claim 6, wherein: ​

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