CN223691655U

CN223691655U - Bridge crack detection device

Info

Publication number: CN223691655U
Application number: CN202520012617.9U
Authority: CN
Inventors: 于子健
Original assignee: Individual
Current assignee: Individual
Priority date: 2025-01-03
Filing date: 2025-01-03
Publication date: 2025-12-19
Anticipated expiration: 2035-01-03

Abstract

This utility model relates to the field of bridge inspection technology, specifically disclosing a bridge crack detection device, including: a connecting seat; and two sliding seats, distributed on the front and rear sides of the connecting seat; and an adjustment component, disposed between the two sliding seats, used to adjust the two detection probes multiple times according to the crack position. The adjustment component includes a transmission gear, with transmission tooth plates on both the upper and lower sides of the transmission gear. By sliding one detection probe and the transmission tooth plate, the other detection probe can slide synchronously in the opposite direction under the action of the transmission gear. Thus, the two detection probes can be on the left and right sides of the crack to be tested, facilitating cross-crack detection. The detection probes and vernier can slide synchronously on the tooth marks, allowing for multiple tests and reducing errors. The device is designed to allow the two detection probes to be equidistantly distributed on both sides of the crack, achieving rapid and accurate measurement of the crack width.

Description

Bridge crack detection device

Technical Field

The utility model relates to the technical field of bridge detection, in particular to a bridge crack detection device.

Background

The detection of the bridge cracks is an important link for ensuring the safety of the bridge structure, the detection of the bridge cracks is divided into length, width and depth, the detection of the bridge cracks is a complex and important process, and proper detection methods are required to be selected, the accuracy of detection equipment is ensured, various detection means are combined, and the influence of environmental factors on detection results is considered. The method and the device can timely find and treat the problem of the bridge crack through a scientific detection method and a scientific detection means, ensure the safe operation of the bridge, and the existing bridge crack detection tool is provided with a crack width tester, which is a special instrument for measuring the crack width. It can be measured directly on the fracture, providing accurate fracture width data. Such instruments are very common in bridge inspection and are an important tool for assessing crack severity.

The crack width tester needs two detection probes to detect on the crack to be tested for many times when detecting to obtain the determination data, reduce the error, however in the measurement process, usually, the staff measures the distance from the crack by the staff gauge, checks for many times, ensures that the position of the width tester is accurate, avoids measuring deviation, the staff checking flow is more, reduces the checking efficiency, and for this reason, we propose a bridge crack detection device.

Disclosure of utility model

The utility model aims to provide a bridge crack detection device, which solves the problems that in the measurement process, usually, staff measures the distance between the bridge crack and the crack by a staff gauge, and checks the distance for multiple times, so that the position of a width gauge is ensured to be accurate, measurement deviation is avoided, the checking flow of the staff is more, and the checking efficiency is reduced.

In order to achieve the purpose, the utility model provides the technical scheme that the bridge crack detection device comprises a connecting seat;

Further comprises:

The two sliding seats are distributed on the front side and the rear side of the connecting seat;

The adjusting component is arranged between the two sliding seats and used for adjusting the two detection probes for a plurality of times according to the positions of the cracks, and comprises a transmission gear, wherein the upper side and the lower side of the transmission gear are respectively provided with a transmission toothed plate, and the transmission gear is movably connected with the connecting seat.

Wherein, fixedly connected with two telescopic links under the connecting seat, two telescopic links are symmetric distribution about the center pin of connecting seat.

Wherein, the bottom of two transmission pinion racks is equal fixedly connected with slide rail, and the longitudinal section of slide rail is "T" shape setting, and the spout has been seted up to the inner wall of sliding seat, slide rail and spout sliding connection.

Wherein, two transmission pinion racks both ends top equal fixedly connected with locating lever, the outer wall threaded connection of locating lever has set nut, and the constant head tank has been seted up to the outer wall of sliding seat, and sliding seat passes through constant head tank and locating lever sliding connection.

Wherein, the top of two locating levers is all fixedly connected with vernier, and the tooth trace has been seted up to the top of sliding seat, and the tooth trace sets up in the below of vernier.

Wherein, the front end fixedly connected with fixed plate of two transmission pinion racks, the equal fixedly connected with limiting plate in both ends around the fixed plate, sliding connection has the holding ring between two limiting plates, the equal fixedly connected with reset spring in four corners of holding ring, and the holding ring constitutes swing joint with the fixed plate through reset spring.

Wherein, the locating ring and the transmission gear on both sides are in the same straight line, and the inner wall fixedly connected with protection pad of locating ring.

The utility model has at least the following beneficial effects:

Through sliding a test probe and transmission pinion rack, under transmission pinion rack's effect, make another test probe can synchronous reverse slip, and then two test probes can be in the left and right sides of the crack that awaits measuring to the completion is striden seam detection, and test probe and vernier can slide on the tooth trace in step, and the multitime detects, reduces the error, sets up and can make two test probes equidistance distribute in crack both sides, has realized the quick, the accurate measurement to crack width.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a sliding seat and a connecting seat according to the present utility model;

FIG. 4 is a schematic diagram of the connection structure of the transmission gear and the transmission toothed plate of the present utility model;

FIG. 5 is a schematic view of the connection structure of the positioning ring and the positioning ring according to the present utility model.

001, A connecting seat, 002, a sliding seat, 003, an adjusting component, 110, a telescopic rod, 301, a transmission gear, 302, a transmission toothed plate, 310, a sliding rail, 320, a sliding groove, 330, a positioning rod, 340, a positioning nut, 350, a positioning groove, 360, a vernier, 370, tooth marks, 321, a fixing plate, 322, a limiting plate, 323, a positioning ring, 324, a return spring, 325 and a protective pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, the present utility model provides a technical solution, including a bridge crack detection device, including a connection seat 001;

Further comprises:

the two sliding seats 002 are arranged, and the two sliding seats 002 are distributed on the front side and the rear side of the connecting seat 001;

The adjusting component 003, adjusting component 003 sets up between two sliding seat 002, and adjusting component 003 is used for carrying out a lot of regulation with two detection probes according to the position of crack, and adjusting component 003 is including drive gear 301, and drive gear 301's upper and lower both sides all are provided with drive pinion rack 302, drive gear 301 and connecting seat 001 swing joint.

Wherein, the staff can put two detection probes inside two holding rings 323 respectively, and then, verify according to the standard notch 370 that has verified on the sliding seat 002, slide one of them detection probe, the transmission pinion rack 302 of its rear side slides on the sliding seat 002, and is relative, and the slip pinion rack on another sliding seat 002 is synchronous reverse removal with the detection probe, and two detection probes can be in the crack both sides that await measuring, guarantee that the distance between two detection probes and the crack that await measuring equals.

Two telescopic rods 110 are fixedly connected under the connecting seat 001, and the two telescopic rods 110 are symmetrically distributed about the central axis of the connecting seat 001.

When the joint is required to be detected, the worker can stretch the two telescopic rods 110, so that the two telescopic rods 110 can be inserted into the joint, and the worker is facilitated to detect the connecting seat 001 perpendicular to the joint, so that the detection probe is facilitated to be perpendicular to the joint to be detected.

The bottom of two transmission pinion racks 302 all fixedly connected with slide rail 310, slide rail 310's longitudinal section is "T" shape setting, and spout 320 has been seted up to the inner wall of sliding seat 002, slide rail 310 and spout 320 sliding connection.

The positioning rods 330 are fixedly connected above the two ends of the two transmission toothed plates 302, the positioning nuts 340 are connected with the outer walls of the positioning rods 330 in a threaded manner, the positioning grooves 350 are formed in the outer walls of the sliding seats 002, and the sliding seats 002 are in sliding connection with the positioning rods 330 through the positioning grooves 350.

The sliding rails 310 and the sliding grooves 320 can ensure that the two sliding rails 310 stably slide in the sliding seat 002, so as to prevent the sliding rails 310 from separating from the sliding seat 002.

The top of two locating levers 330 are all fixedly connected with cursor 360, and tooth trace 370 has been seted up to the top of sliding seat 002, and tooth trace 370 sets up in the below of cursor 360.

When the detection probes are slid, the cursor 360 slides synchronously on the tooth trace 370, the tooth trace 370 is a standard scale after detection, a worker can adjust the positions of the detection probes for a plurality of times according to the tooth trace 370, and the two detection probes are respectively placed on scale marks with different widths, so that the corresponding scale mark widths can be accurately read on a screen of the detector, and the worker can compare the difference value between the readings on the screen and the actual scale mark widths, thereby reducing errors;

Meanwhile, after a worker selects a scale, the positioning nut 340 can be rotated, so that the positioning nut 340 is tightly propped against the sliding seat 002, thereby being convenient for fixing the positioning rod 330, and preventing the detection probe from moving to drive the toothed plate 302 during detection, which results in the situation of error measurement.

Examples

As shown in fig. 5, in the second embodiment, other structures are unchanged, unlike the first embodiment, the front ends of the two driving toothed plates 302 are fixedly connected with a fixing plate 321, both front and rear ends of the fixing plate 321 are fixedly connected with limiting plates 322, a positioning ring 323 is slidably connected between the two limiting plates 322, four corners of the positioning ring 323 are fixedly connected with return springs 324, and the positioning ring 323 and the fixing plate 321 form a movable connection through the return springs 324.

Wherein, during the detection, the staff can press two detection probes simultaneously, makes two detection probes contact ground simultaneously, detects after a position, and reset spring 324 can drive detection probe and break away from ground to detect next scale position, crack width tester is through combining image processing technique and optical measurement principle, measures cracked width on the scale of tooth trace 370 difference, sets up can assist crack width tester to the more quick, the accurate measurement of crack width, reduces the time of staff's check-up, improves detection reliability.

The positioning rings 323 on two sides are positioned on the same straight line with the transmission gear 301, and the inner wall of the positioning ring 323 is fixedly connected with a protection pad 325.

The positioning ring 323 can ensure that the two probes are positioned in a straight line, and the two probes can be mutually perpendicular to the crack, so that the detection authenticity is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bridge crack detection device, including: a connecting seat (001);

Its characteristic is that it also includes:

Sliding seat (002), two sliding seats (002) are provided, and the two sliding seats (002) are distributed on the front and rear sides of the connecting seat (001);

An adjustment component (003) is disposed between two sliding seats (002). The adjustment component (003) is used to adjust the two detection probes multiple times according to the position of the crack. The adjustment component (003) includes a transmission gear (301). Transmission gear plates (302) are provided on both the upper and lower sides of the transmission gear (301). The transmission gear (301) is movably connected to the connecting seat (001).

2. The bridge crack detection device according to claim 1, characterized in that: two telescopic rods (110) are fixedly connected directly below the connecting seat (001), and the two telescopic rods (110) are symmetrically distributed about the central axis of the connecting seat (001).

3. The bridge crack detection device according to claim 1, characterized in that: the bottom ends of the two transmission tooth plates (302) are fixedly connected to slide rails (310), the longitudinal section of the slide rails (310) is arranged in a "T" shape, the inner wall of the sliding seat (002) is provided with a slide groove (320), and the slide rails (310) are slidably connected to the slide grooves (320).

4. The bridge crack detection device according to claim 1, characterized in that: a positioning rod (330) is fixedly connected above both ends of the two transmission tooth plates (302), a positioning nut (340) is threadedly connected to the outer wall of the positioning rod (330), a positioning groove (350) is provided on the outer wall of the sliding seat (002), and the sliding seat (002) is slidably connected to the positioning rod (330) through the positioning groove (350).

5. The bridge crack detection device according to claim 4, characterized in that: a vernier (360) is fixedly connected to the top of each of the two positioning rods (330), and a tooth mark (370) is provided above the sliding seat (002), the tooth mark (370) being located below the vernier (360).

6. The bridge crack detection device according to claim 1, characterized in that: a fixing plate (321) is fixedly connected to the front end of the two transmission toothed plates (302), a limiting plate (322) is fixedly connected to both the front and rear ends of the fixing plate (321), a positioning ring (323) is slidably connected between the two limiting plates (322), a return spring (324) is fixedly connected to each of the four corners of the positioning ring (323), and the positioning ring (323) is movably connected to the fixing plate (321) through the return spring (324).

7. The bridge crack detection device according to claim 6, characterized in that: the positioning rings (323) on both sides are on the same straight line as the transmission gear (301), and the inner wall of the positioning rings (323) is fixedly connected with protective pads (325).