A kind of break monitoring device of switch zones rail assembliesTechnical field
The utility model relates to railway switch fracture safe forecast field more particularly to it is a kind of based on surface acoustic wave can notThe break monitoring device of the switch zones rail assemblies of installs fixture.
Background technique
Recent years, due to economic fast development, railway transportation increases transport capacity by constantly raising speed, however thisTo the safe operation of train, higher requirements are also raised, inevitably can generate various damages to rail in heavy transport task,The operational safety of train is seriously threatened, therefore the abrasion detection of rail is by very high attention.
The method for being currently used for railway track detection mainly has the method using rail transmitting electric signal and ultrasonic inspection, thisA little methods are helpless to the rail detection in railway road fork region, cannot find rail fracture or the damage in fork region in time,And there is following inconvenience: transmitting electric signal using rail, forms open circuit in road fork region, the rail shape in the region can not be detectedState；Though ultrasonic inspection can find the crack conditions of rail, cannot in-orbit monitoring for a long time, cannot find the fracture of rail in timeAnd degree of impairment；In the another power up signal detection in railway road fork region, the signal of former in-orbit transmission can be interfered.
It is all to need manually to go now currently, there is no special fracture checkout facility for railway switch region rail assembliesField is surveyed, and is not only taken manually in this way, arduously, but also is not easy to find, detection leakage phenomenon occur.In view of this, nowadays compeling to be essentialA kind of broken rail monitoring device for railway switch region rail assemblies is designed, to overcome existing switch zones rail assembliesMonitor existing drawbacks described above.
Utility model content
The utility model is to solve the above problem in the prior art, proposes a kind of switch zones steel based on surface acoustic waveThe break monitoring device of rail assembly, can real-time monitoring switch zones rail assemblies risk of breakage, and its high sensitivity, volumeIt is small, light-weight, it is pasted on rail, does not take up space, do not influence train passage.
To achieve the above object, the utility model uses following technical scheme:
The utility model provide it is a kind of based on surface acoustic wave can not installs fixture switch zones rail assemblies fractureMonitoring device is set to matching used fracture detection unit at the rail assemblies of switch zones by least two groups and forms；Wherein, oftenOrganizing the fracture detection unit includes:
One for emitting the surface acoustic wave generator of surface acoustic wave；
The surface acoustic wave of the one surface acoustic wave generator transmitting in fracture detection unit described in receiving every groupSurface acoustic wave receiver；And
One is separately connected the controller of the surface acoustic wave generator and the surface acoustic wave receiver, is used to control instituteIt states surface acoustic wave generator and emits the surface acoustic wave, and according to the surface acoustic wave of surface acoustic wave receiver acquisitionPower judges whether the switch zones rail assemblies are broken.
Further, described on the break monitoring device of the switch zones rail assemblies described based on surface acoustic waveController wirelessly connects remote control center, the surface acoustic wave data for acquiring the surface acoustic wave receiverIt sends and is stored in the remote control center.
Further, described on the break monitoring device of the switch zones rail assemblies described based on surface acoustic waveIt is broken detection unit further include:
One Pasting is fixed on the mounting base at the switch zones rail assemblies on rail；
One is set to the control box in the middle part of the bottom plate, is installed with the controller in the control box；With
Two are respectively arranged at the press fitting box at the bottom plate both ends, and the press fitting box is located at two side positions of the control box；It is wherein installed with the surface acoustic wave generator in a press fitting box, is installed with the surface acoustic wave in another press fitting boxReceiver.
It is further preferred that on the break monitoring device of the switch zones rail assemblies based on surface acoustic wave,The surface acoustic wave generator is embedded on the bottom plate, is set between the surface acoustic wave generator and the corresponding press fitting boxIt is equipped with elastomer block.
It is further preferred that on the break monitoring device of the switch zones rail assemblies based on surface acoustic wave,The surface acoustic wave receiver is embedded on the bottom plate, is set between the surface acoustic wave receiver and the corresponding press fitting boxIt is equipped with elastomer block.
It is further preferred that in the break monitoring device of the switch zones rail assemblies based on surface acoustic waveOn, the fracture detection unit further include:
One is coated on the transition briquetting of surface acoustic wave receiver outer surface, and the transition briquetting is embedded in the bottom plateOn.
It is further preferred that on the break monitoring device of the switch zones rail assemblies based on surface acoustic wave,The fracture detection unit further include:
One is set to the box cover on the control box, and the box cover is connect with the control box removable seal.
It is further preferred that on the break monitoring device of the switch zones rail assemblies based on surface acoustic wave,The control box is plastic material；The bottom plate, press fitting box and box cover are aluminum alloy material.
Further, on the break monitoring device of the switch zones rail assemblies described based on surface acoustic wave, instituteElastomer block and the transition briquetting are stated using elastomeric material.
It is further preferred that on the break monitoring device of the switch zones rail assemblies based on surface acoustic wave,The fracture detection unit further include:
One battery unit for the power supply for the controller, surface acoustic wave generator harmony surface wave receiver；With
One sounds an alarm for the case where whether being broken according to the switch section rail assemblies that the controller judgesAlarm.
The utility model by adopting the above technical scheme, compared with prior art, has the following technical effect that
The break monitoring device of switch zones rail assemblies provided by the utility model based on surface acoustic wave, at least by twoTwo groups of fracture detection unit compositions, surface acoustic wave generator is respectively set in every group of fracture detection unit and surface acoustic wave receivesDevice, the receiver of one group of fracture detection unit both can receive the surface acoustic wave of this fracture detection unit, also can receiveThe surface acoustic wave of other group fracture detection units, judges whether rail is broken using the power for receiving surface acoustic wave；This realityWith the break monitoring device of novel switch zones rail assemblies, can real-time monitoring rail risk of breakage, high sensitivity, volumeIt is small, it is light-weight；And it is safe and reliable, and it is easy to operate, it is pasted on rail, does not take up space, do not influence train passage, be railway peaceComplete matched critical facility.
Detailed description of the invention
Fig. 1 is a kind of break monitoring device of the switch zones rail assemblies based on surface acoustic wave of the utility model in track switchThe scheme of installation of non-track circuit territory section；
Fig. 2 is a kind of entirety of the break monitoring device of the switch zones rail assemblies based on surface acoustic wave of the utility modelStructural schematic diagram；
Fig. 3 is that a kind of break monitoring device of switch zones rail assemblies based on surface acoustic wave of the utility model assembles knotStructure schematic diagram；
Fig. 4 is a kind of section view of the break monitoring device of the switch zones rail assemblies based on surface acoustic wave of the utility modelStructural schematic diagram；
Fig. 5 is a kind of side view of the break monitoring device of the switch zones rail assemblies based on surface acoustic wave of the utility modelStructural schematic diagram；
Fig. 6 is a kind of vertical view of the break monitoring device of the switch zones rail assemblies based on surface acoustic wave of the utility modelStructural schematic diagram；
Wherein, each appended drawing reference are as follows:
10- is broken detection unit, 11- mounting base, and 12- controls box, and 13- is pressed box, 14- box cover, 15- controller, 16-Elastomer block, 17- surface acoustic wave generator, 18- transition briquetting, 19- surface acoustic wave receiver, the switch zones 20- rail assemblies.
Specific embodiment
The utility model is described in more detail below by specific embodiment, for a better understanding of this realityWith novel, but following embodiments are not intended to limit the scope of the utility model.
As shown in Fig. 1,3 and 4, the fracture for the switch zones rail assemblies based on surface acoustic wave that the present embodiment provides a kind of is supervisedDevice is surveyed, matching used fracture detection unit 10 at switch zones rail assemblies 20 is set to by least two groups and forms；Wherein,Fracture detection unit 10 described in every group includes: one for emitting the surface acoustic wave generator 17 of surface acoustic wave；One is every for receivingThe surface acoustic wave receiver 19 of the surface acoustic wave of the surface acoustic wave generator 17 transmitting in the group fracture detection unit 10；And one be separately connected the surface acoustic wave generator 17 and the surface acoustic wave receiver 19 controller 15, be used to controlThe surface acoustic wave generator 17 emits the surface acoustic wave, and the sound table acquired according to the surface acoustic wave receiver 19The power of surface wave judges whether the switch zones rail assemblies 20 are broken.
The testing principle of the break monitoring device of the present embodiment switch zones rail assemblies are as follows: be broken and examined by two at least two groupsUnit 10 to be surveyed to form, surface acoustic wave generator 17 and surface acoustic wave receiver 19 is respectively set in every group of fracture detection unit 10,The surface acoustic wave receiver 19 of one group of fracture detection unit 10 both can receive the surface acoustic wave of this fracture detection unit 10,It can receive the surface acoustic wave that surface acoustic wave generator 17 emits in other group fracture detection units 10, pass through 15 benefit of controllerJudge whether rail is broken with the power of the surface acoustic wave received.The present embodiment is sentenced according to the comparison of surface acoustic wave powerWhether disconnected monitoring section is broken, and can find fracture location in time, can accomplish prevention or on-call maintenance, be that a safety is matchedCritical facility.
On the basis of above-mentioned technical proposal, in the present embodiment, the controller 15 wirelessly connects long-range controlCenter processed, the surface acoustic wave data for acquiring the surface acoustic wave receiver 19 send and store and be shown in and is described long-rangeControl centre；The wireless mode is using conventional communication modes such as wireless communication modules such as 3G, 4G and WIFI communication module.SpecificallyGround, controller 15 can be collected surface acoustic wave data by being wirelessly transmitted to the railway operation network number of remote control centerAccording in library, controlled with realizing that big data is focused on long-range.
As shown in figures 1 to 6, on the basis of above-mentioned technical proposal, in the present embodiment, the fracture detection unit 10 is also wrappedInclude: a Pasting is fixed on the mounting base 11 at the switch section rail assemblies 20 on rail；One is set to the bottom plateThe control box 12 at 11 middle parts, is installed with the controller 15 in the control box 12；11 liang of the bottom plate is respectively arranged at twoThe press fitting box 13 at end, the press fitting box 13 are located at two side positions of the control box 12；Wherein installing in a press fitting box 13There is the surface acoustic wave generator 17, is installed with the surface acoustic wave receiver 19 in another press fitting box 13.
As shown in Figure 3-4, on the basis of above-mentioned technical proposal, in the present embodiment, the surface acoustic wave generator 17 is embeddingIt is located on the bottom plate 11, is provided with elastomer block 16 between the surface acoustic wave generator 17 and the corresponding press fitting box 13.And the surface acoustic wave receiver 19 is embedded on the bottom plate 11, the surface acoustic wave receiver 19 and the corresponding pressureElastomer block 16 is provided between mounted box 13, elastomer block 16 plays compression to 17 harmony surface wave receiver 19 of surface acoustic wave generatorBuffer protection function.The 17 harmony surface wave receiver 19 of surface acoustic wave generator is embedded in by the compression of elastomer block 16In through-hole on bottom 11, so that the surface acoustic wave generator 17 can directly connect with rail the anti-breaking monitoring device when in useTouching improves surface acoustic wave emission effciency.
As shown in figure 4, on the basis of above-mentioned technical proposal, in the present embodiment, the fracture detection unit 10 further include:One is coated on the transition briquetting 18 of 19 outer surface of surface acoustic wave receiver, and the transition briquetting 18 is embedded in the bottom plate 11On.Specifically, surface acoustic wave receiver 19 is embedded completely in transition briquetting 18, and the transition briquetting 18 receives surface acoustic waveDevice 19 plays a protective role, and the transition briquetting 18 compression is embedded in the through-hole on bottom 11.
As shown in figures 2-6, on the basis of above-mentioned technical proposal, in the present embodiment, the fracture detection unit 10 is also wrappedInclude: one is set to the box cover 14 on the control box 12, and the box cover 14 is connect with 12 removable seal of control box.
On the basis of above-mentioned technical proposal, in the present embodiment, the control box 12 is plastic material；The bottom plate 11,It is pressed box 13 and box cover 14 is aluminum alloy material.The elastomer block 16 and the transition briquetting 18 use elastomeric material.
In addition, on the basis of above-mentioned technical proposal, in the present embodiment, the fracture detection unit 10 further include: one usesIn the battery unit for the controller 15, the power supply of 17 harmony surface wave receiver 19 of surface acoustic wave generator；It is used for oneAlarm the case where whether being broken according to the switch zones rail assemblies 20 that the controller 15 judges sounds an alarm.ElectricityPool unit uses lithium ion battery, is the controller 15, surface acoustic wave generator 17, surface acoustic wave in anti-breaking monitoring deviceEach power elements such as receiver 19 and alarm.The surface acoustic wave rail fracture monitoring device, energy real-time monitoring are tested railState passes through onsite alarming device or by controller 15 into long-range control in time when rail assemblies are broken in switch zonesThe heart issues danger warning, and the surface acoustic wave rail fracture monitoring device high sensitivity, and mistakes and omissions alarm will not occur.
Specific embodiment of the utility model is described in detail above, but it is merely an example, this is practical newType is not restricted to particular embodiments described above.To those skilled in the art, any pair of the utility model carries outEquivalent modifications and substitution also all among the scope of the utility model.Therefore, in the spirit and model for not departing from the utility modelLower made equal transformation and modification are enclosed, should all be covered in the scope of the utility model.