CN211824278U

CN211824278U - Crack width monitoring devices based on fiber grating technique

Info

Publication number: CN211824278U
Application number: CN202020909991.6U
Authority: CN
Inventors: 赵军
Original assignee: Guangxi University of Science and Technology
Current assignee: Guangxi University of Science and Technology
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-10-30
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a crack width monitoring device based on fiber grating technology, which belongs to the technical field of monitoring equipment, and particularly relates to a crack width monitoring device based on fiber grating technology, which comprises a connecting frame, wherein the outer side wall of the connecting frame is provided with a mounting frame, a protective cover is rotationally connected with the top of the outer side wall of the connecting frame, a detection component is arranged on the mounting frame, the connecting frame and the mounting frame are mutually attracted, matched and fixed through a magnetic column and a magnetic sleeve, the separation convenience of the connecting frame and the mounting frame is increased, the difficulty of equipment disassembly is reduced, the disassembly and the overhaul are simple, the disassembly and the use are convenient, in addition, the arrangement of a grating sensor is used for monitoring the gap distance of a crack in real time, then the detected data information is transmitted to a central processing unit, when the detected data exceeds a threshold value, the central processing unit, meanwhile, the arrangement of the protective cover can protect the detection assembly, and the service life of the equipment is prolonged.

Description

Crack width monitoring devices based on fiber grating technique

Technical Field

The utility model relates to a monitoring facilities technical field specifically is a crack width monitoring devices based on fiber grating technique.

Background

Concrete is a discontinuous material, and after the concrete is formed, the concrete is easy to crack under a series of application conditions such as shrinkage, external load action and foundation settlement. The damage degree of the crack to the concrete structure can be directly reflected according to the position of the crack, the width of the crack and the like, and when the crack width develops to a certain degree, the concrete structure needs to be properly maintained and reinforced or dismantled and the like. Therefore, long-term monitoring of the crack width of concrete is particularly important.

Cracked reason produces more complicacy, but can not simple judgement crack again can continue to enlarge, through personnel untimely observation or manual measurement cracked width more waste time and energy, forget the monitoring easily moreover, have certain potential safety hazard to, current monitoring devices function is comparatively single, and the practicality is relatively poor, so need a device that can real-time supervision crack, in order to prevent that it from causing the incident that sinks because the grow.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or problems existing in the existing crack monitoring.

Therefore, the utility model aims at providing a crack width monitoring devices based on fiber grating technique can solve current crack monitoring, generally through the personnel untimely observation or the manual cracked width of measurement is more wasted time and energy, forgets the monitoring easily moreover, has certain potential safety hazard to, current monitoring devices function is comparatively single, the relatively poor problem of practicality.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a crack width monitoring device based on fiber grating technology comprises: link, mounting bracket, safety cover and determine module, the link lateral wall sets up the mounting bracket, the safety cover rotate connect in link lateral wall top, just the mounting bracket is located in the safety cover, determine module install in on the mounting bracket, determine module includes central processing unit, grating sensor and alarm, central processing unit embedding install in mounting bracket inside wall top, grating sensor install in lateral wall central authorities position before the mounting bracket, the alarm is located the mounting bracket lateral wall, just grating sensor with the alarm all with central processing unit electric connection.

As a crack width monitoring devices's an preferred scheme based on fiber grating technique, wherein: the utility model discloses a magnetic pole, including mounting bracket lateral wall, mounting bracket lateral wall top are a plurality of magnetism sleeves of linear equidistance rigid coupling, just mounting bracket lateral wall bottom corresponds a plurality ofly magnetism sleeve position all is equipped with the magnetism post, the magnetism post with the magnetism sleeve corresponds the setting.

As a crack width monitoring devices's an preferred scheme based on fiber grating technique, wherein: connecting holes are formed in four end corners of the connecting frame, and four suckers are arranged at the bottom of the outer side wall of the connecting frame in a rectangular equidistant mode.

As a crack width monitoring devices's an preferred scheme based on fiber grating technique, wherein: the safety cover lateral wall is linear equidistance and sets up a plurality of louvres, and a plurality of louvres are followed the safety cover outer wall sets up from bottom to top.

Compared with the prior art: the link passes through the magnetism post and the magnetic sleeve mutually attracts the cooperation is fixed with the mounting bracket, the convenience of link and mounting bracket separation has been increased, the degree of difficulty of equipment dismantlement has been reduced, the dismouting is simple, convenient dismantlement is overhauld and is used, and, the setting of grating sensor is used for the fissured gap distance of real-time supervision, then data information transmission to central processing unit that will detect, when the data that detect surpass the threshold value, central processing unit control alarm reports to the police, remind the staff in real time, reduce the potential safety hazard, it is automatic and strong in practicability, and simultaneously, the detection subassembly can be protected in the setting of safety cover, the life of increase equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 100 connecting frames, 110 connecting holes, 120 suckers, 130 magnetic sleeves, 200 mounting frames, 210 magnetic columns, 300 protective covers, 400 detection components, 410 central processing units, 420 grating sensors and 430 alarms.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a crack width monitoring devices based on fiber grating technique, link and mounting bracket pass through magnetic column and the cooperation of magnetism sleeve inter attraction fixed, the convenience of link and mounting bracket separation has been increased, the degree of difficulty of equipment dismantlement has been reduced, the dismouting is simple, convenient dismantlement is overhauld and is used, and, grating sensor's setting is used for the fissured gap distance of real-time supervision, then data information transmission to central processing unit that will detect, when the data that detect surpass the threshold value, central processing unit control alarm reports to the police, remind the staff in real time, reduce the potential safety hazard, it is automatic and the practicality is strong, please refer to and read fig. 1, include, link 100, mounting bracket 200, safety cover 300 and detection component 400.

With reference to fig. 1-3, the base 100, the connecting frame 100 is a mounting frame made of a metal alloy material, the connecting holes 110 are formed at four corners of the connecting frame 100, the connecting holes 110 are used for matching with external fastening bolts to fix the position of the device, four suckers 120 are screwed on the bottom of the outer side wall of the connecting frame 100 in a rectangular equidistant arrangement, the suckers 120 are used for auxiliary fixation of the device, eight magnetic sleeves 130 are welded on the top of the outer side wall of the connecting frame 100 in a linear equidistant manner, and the magnetic sleeves 130 are used for matching with the magnetic columns 210 to connect the mounting frame 200 and the connecting frame 100;

with reference to fig. 1-2, the mounting frame 200 is disposed on the outer side wall of the connecting frame 100, specifically, the magnetic columns 210 are disposed at the bottom of the outer side wall of the mounting frame 200 corresponding to the eight magnetic sleeves 130, the magnetic columns 210 are disposed corresponding to the magnetic sleeves 130, and the mounting frame 200 is disposed in the protective cover 300, and the connecting frame 100 and the mounting frame 200 are connected by matching the magnetic sleeves 130 and the magnetic columns 210, so that the mounting frame is simple to assemble and disassemble, and is convenient to disassemble, overhaul and use;

with reference to fig. 1-3, the protection cover 300 is rotatably connected to the top of the outer sidewall of the connection frame 100, specifically, the protection cover 300 is a protection frame made of metal alloy material, the protection cover 300 is used for protecting the detection assembly 400, the outer sidewall of the protection cover 300 is provided with twenty linear and equidistant heat dissipation holes, which are not identified in the drawing, and the twenty heat dissipation holes are arranged from bottom to top along the outer wall of the protection cover 300;

referring to fig. 1, the detecting assembly 400 is mounted on the mounting bracket 200, and specifically, the detecting assembly 400 includes a central processor 410, a grating sensor 420 and an alarm 430, the central processor 410 is embedded in the top of the inner sidewall of the mounting bracket 200, the central processor 410 serves as a control terminal for receiving information and controlling the operating states of the grating sensor 420 and the alarm 430, the grating sensor 420 and the alarm 430 are both electrically connected to the central processor 410, the grating sensor 420 is screwed to the central position of the front sidewall of the mounting bracket 200 by fastening screws, the grating sensor 420 is used for monitoring the gap distance of the crack in real time and then transmitting the detected data information to the central processor 410, when the detected data exceeds a threshold value, the central processor 410 controls the alarm 430 to alarm, the alarm 430 is clamped to the central position of the top of the outer sidewall of the mounting bracket 200, reminding workers;

the working principle is as follows: the utility model discloses a when using, link 100 and mounting bracket 200 pass through magnetic column 210 and magnetic sleeve 130 inter attraction cooperation fixed, the convenience of link 100 and mounting bracket 200 separation has been increased, the degree of difficulty of equipment dismantlement has been reduced, the dismouting is simple, convenient dismantlement is overhauld and is used, and, grating sensor 420's setting is used for the fissured gap distance of real-time supervision, then data information transmission to central processing unit 410 that will detect, when the data that detect surpass the threshold value, central processing unit 410 controls alarm 430 and reports to the police, remind the staff in real time, reduce the potential safety hazard, it is automatic and the practicality strong, and simultaneously, detection component 400 can be protected in the setting of safety cover 300, increase the life of equipment.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A crack width monitoring device based on fiber grating technology is characterized by comprising: a connecting frame (100), a mounting frame (200), a protective cover (300) and a detection component (400), the outer side wall of the connecting frame (100) is provided with a mounting frame (200), the protective cover (300) is rotatably connected to the top of the outer side wall of the connecting frame (100), and the mounting bracket (200) is positioned in the protective cover (300), the detection assembly (400) is mounted on the mounting bracket (200), the detection component (400) comprises a central processing unit (410), a grating sensor (420) and an alarm (430), the central processor (410) is embedded and installed at the top of the inner side wall of the mounting rack (200), the grating sensor (420) is arranged at the central position of the front side wall of the mounting rack (200), the alarm (430) is arranged on the outer side wall of the mounting rack (200), and the grating sensor (420) and the alarm (430) are electrically connected with the central processing unit (410).

2. The crack width monitoring device based on the fiber bragg grating technology as claimed in claim 1, wherein a plurality of magnetic sleeves (130) are fixedly connected to the top of the outer side wall of the connecting frame (100) in a linear equidistant manner, magnetic columns (210) are arranged at the bottom of the outer side wall of the mounting frame (200) corresponding to the positions of the plurality of magnetic sleeves (130), and the magnetic columns (210) are arranged corresponding to the magnetic sleeves (130).

3. The crack width monitoring device based on the fiber bragg grating technology as claimed in claim 1, wherein the connecting holes (110) are formed at four corners of the connecting frame (100), and four suckers (120) are arranged at the bottom of the outer side wall of the connecting frame (100) in a rectangular and equidistant manner.

4. The crack width monitoring device based on the fiber bragg grating technology as claimed in claim 1, wherein a plurality of heat dissipation holes are linearly and equidistantly formed in the outer side wall of the protection cover (300), and are arranged from bottom to top along the outer wall of the protection cover (300).