阅读说明：本技术 一种新型光纤智能植筋装置 (Novel optic fibre intelligence bar planting device ) 是由 程道来 吴晓雪 赵雄 于 2019-10-28 设计创作，主要内容包括：本申请提供了一种新型光纤智能植筋装置,该智能植筋结构包括圆柱形网状钢筋、光纤传感器、光纤调解仪、混凝土。本发明的实施方案特点在于圆柱形网状钢筋结构起到固定光纤传感器的作用,光纤传感器用于监测无砟轨道轨道板和底座板的温度和应力变化,光纤解调仪用来解调光纤传感器传出的数据并进行分析,混凝土用来固定轨道板和底座板。当轨道板和底座板之间有相对错动时,该智能植筋结构在不同位置会发生微小位移,此时光纤传感器产生的信号会发生变化,通过解调仪可以了解轨道板和底座板的温度和应力变化。本发明可实现实时监测,及时提出预警,减少事故的发生。(The application provides a novel optic fibre intelligence bar planting device, this intelligence bar planting structure include cylindrical mesh reinforcement, optical fiber sensor, optic fibre and mediate appearance, concrete. The implementation scheme of the invention is characterized in that the cylindrical mesh reinforcement structure plays a role in fixing the optical fiber sensor, the optical fiber sensor is used for monitoring the temperature and stress changes of the track slab and the base plate of the ballastless track, the optical fiber demodulator is used for demodulating and analyzing data transmitted by the optical fiber sensor, and the concrete is used for fixing the track slab and the base plate. When having relative dislocation between track board and the bed plate, this intelligence bar planting structure can take place small displacement in different positions, and the signal that optical fiber sensor produced this moment can change, can know the temperature and the stress change of track board and bed plate through the demodulation appearance. The invention can realize real-time monitoring, timely provide early warning and reduce the occurrence of accidents.)

1. A novel optical fiber intelligent bar planting device is characterized by comprising cylindrical mesh steel bars, wherein the cylindrical mesh steel bar structure is used for fixing a track plate and a foundation under the track plate;

the cylindrical mesh steel bar is fixedly provided with an optical fiber sensor which is used for monitoring the temperature change and/or the stress change of the track plate and the base plate;

the optical fiber sensor is connected with an optical fiber demodulator which is used for demodulating and analyzing data transmitted by the optical fiber sensor, and the concrete is used for fixing the track plate and the base plate.

2. The novel optical fiber intelligent bar planting device of claim 1, wherein the optical fiber sensors are uniformly arranged along the inner wall of the cylindrical mesh steel bar in a way that the outer wall of the steel bar is rotated for one circle from top to bottom.

3. The novel optical fiber intelligent bar planting device according to claim 1, wherein different nodes are arranged on the optical fiber sensor, and the nodes are used for displaying data of the nodes on the optical fiber demodulator so as to facilitate data analysis.

4. The novel optical fiber intelligent bar planting device as claimed in claim 1, wherein when there is relative dislocation between the track plate and the base plate, the intelligent bar planting structure will generate small displacement at different positions, and the signal generated by the optical fiber sensor will change, and the demodulator can know the temperature and stress changes of the track plate and the base plate.

5. The novel optical fiber intelligent bar planting device as claimed in claim 1, wherein the optical fiber sensor can monitor temperature changes at different parts of the track structure when the temperature difference between day and night is large.

6. The novel optical fiber intelligent bar planting device as claimed in any one of claims 1 to 5, wherein when a high-speed train passes by, a certain acting force is generated on the track plate, and the relative displacement between the track plate and the base plate can be generated by the long-term acting force.

Technical Field

The patent relates to the technical field of ballastless tracks of high-speed railways, in particular to a novel optical fiber intelligent bar planting device.

Background

The existing bar planting technology of the ballastless track of the high-speed railway mainly adopts bar anchoring construction, and the method only simply fixes the track plate and the lower foundation of the plate so as to prevent the relative sliding of the track plate and the lower foundation from influencing the stability of a train. In practice, the discovery, high-speed train can produce certain effort to the track board when passing through, and this kind of power can make track board and the temperature of base change under the board to make the basis atress different under track board and the board, but this kind of planting muscle technique can't real-time supervision out temperature variation and atress condition, for the stationarity of guaranteeing the train operation and the emergence that reduces the incident, needs a neotype intelligence to plant the muscle device and solves above-mentioned problem urgently.

The invention designs a novel optical fiber intelligent bar planting device which can monitor the temperature change condition and the stress condition of a track slab and a foundation under the slab on line or off line, give out early warning in time, ensure the stable operation of a train and reduce the occurrence of accidents.

Disclosure of Invention

To the defect among the prior art, this application embodiment provides a novel optic fibre intelligence bar planting device. The technical scheme is as follows:

the application provides a novel optical fiber intelligent bar planting device which comprises cylindrical mesh steel bars, wherein a cylindrical mesh steel bar structure is used for fixing a track plate and a foundation under the plate;

the cylindrical mesh steel bar is fixedly provided with an optical fiber sensor which is used for monitoring the temperature change and/or the stress change of the track plate and the base plate;

the optical fiber sensor is connected with an optical fiber demodulator which is used for demodulating and analyzing data transmitted by the optical fiber sensor, and the concrete is used for fixing the track plate and the base plate.

In one possible implementation manner, the optical fiber sensors are uniformly arranged along the inner wall of the cylindrical mesh steel bar in a manner of sequentially rotating the outer wall of the steel bar for one circle from top to bottom.

In one possible implementation manner, different nodes are arranged on the optical fiber sensor, and the nodes are used for displaying data of each node on the optical fiber demodulator so as to facilitate data analysis.

In a possible implementation mode, when there is relative dislocation between track board and the bed plate, the intelligent bar planting structure can take place small displacement in different positions, and the signal that optical fiber sensor produced this moment can change, through the temperature and the stress change of track board and bed plate can be known to the demodulation appearance.

In one possible implementation, the optical fiber sensor can monitor the temperature change of different parts of the track structure when the diurnal temperature difference is large.

In one possible implementation mode, when a high-speed train passes through, certain acting force is generated on the track slab, and long-term acting force enables relative displacement to occur between the track slab and the base plate.

Compared with the prior art, the application at least comprises the following beneficial effects:

the application provides an intelligence bar planting device can fix the basis anchor under track board and the board, and the track board skew causes the train to operate unstably when preventing the train from passing through, and the temperature variation and the atress condition of basis under simultaneously can real-time supervision track board and the board. When a train runs for a long time, the track structure can be damaged to different degrees, the temperature of the track slab and the foundation under the slab can be changed, particularly, when the train passes at a high speed at noon, the temperature of the track structure can be rapidly increased, if the track slab and the base plate under the slab have small cracks, the crack width can be increased after a long time, the train running is seriously influenced, meanwhile, the friction resistance of a mortar layer at the lower part of the track slab can be reduced due to the long-time running of the train, the track slab and the base plate can generate relative displacement, the stress of the upper part and the lower part of the bar planting structure can be changed due to the existence of the bar planting structure, the intelligent bar planting technology collects data through optical fibers, the temperature change can be monitored by using a demodulator, the stress conditions of different parts can be measured, when the temperature change or the stress exceeds a set threshold value, the optical fiber intelligent sensor can give an alarm and send an, corresponding measures are taken to prevent the occurrence of harm.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure of a cylindrical mesh reinforcement structure according to an exemplary embodiment of the present application;

fig. 2 is a schematic view of an overall two-dimensional structure of a bar planting technique according to an exemplary embodiment of the present application.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in fig. 1 and 2, the device provided by the present application comprises a cylindrical mesh reinforcement structure 2, wherein the cylindrical mesh reinforcement structure 2 is used for fixing a track slab 4 and an under-slab foundation 5; the cylindrical mesh steel bar 2 is fixedly provided with an optical fiber sensor 1, and the optical fiber sensor 1 is used for monitoring the temperature change and/or the stress change of the track plate 4 and the base plate; the optical fiber sensor 1 is connected with an optical fiber demodulator which is used for demodulating and analyzing data transmitted by the optical fiber sensor, and the concrete is used for fixing the track plate and the base plate.

Different nodes are arranged on the optical fiber sensor and used for displaying data of each node on the optical fiber demodulator so as to facilitate data analysis.

To sum up, this application sets up the optical fiber sensor who is used for monitoring track board and bed plate change on concentrating on shape mesh reinforcement, and this optical fiber sensor is connected with an optical fiber demodulation appearance, when high-speed train passes through, can produce certain effort to the track board, and long-term effort can let and take place relative displacement between track board and the bed plate. The optical fiber demodulator is used for determining the position of the node so as to determine the reason and the position of the abnormal condition, so that the reason of the abnormal condition can be quickly determined before the abnormal condition arrives at the site, and a coping strategy can be quickly formulated.

The present application is described in further detail below in connection with the fabrication and installation of the present device. With continuing reference to fig. 1 and 2, the steel bar planting technique requires that the steel bars are cylindrical net-shaped steel bar structures 2. Firstly, the steel bars are welded into the shape shown in figure 1, then the optical fiber sensors 1 are uniformly distributed along the outer wall of the cylindrical mesh steel bar in a mode that the outer wall of the steel bar is rotated for a circle from top to bottom, and the optical fiber sensors 1 and the cylindrical mesh steel bar 2 are bonded by epoxy resin.

As shown in fig. 2, base 5 drills under track board 4 and the board to setting up on ground 6, make the hole run through whole track board structure, will cloth the cylindrical mesh reinforcing bar 2 of optical fiber sensor 1 and implant track board 4, there is gap 3 between cylindrical mesh reinforcing bar 2 and track board 4 this moment, pack into the concrete in cylindrical mesh reinforcing bar 2 and gap 3, this moment, cylindrical mesh reinforcing bar structure 2 can play the fixed action to track board 4, the optical fiber sensor who evenly arranges along the steel bar structure inner wall can the temperature variation and the atress condition of foundation under real-time supervision track board 4 and the board. The optical fiber sensor 1 is regularly observed, the data transmitted by the optical fiber sensor 1 is demodulated and analyzed by an optical fiber demodulator, and corresponding measures are taken to avoid harm if temperature change or stress exceeds a set threshold value.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.