CN206515296U - Rail-defect detector car ultrasound couple device - Google Patents
Rail-defect detector car ultrasound couple device Download PDFInfo
- Publication number
- CN206515296U CN206515296U CN201720158900.8U CN201720158900U CN206515296U CN 206515296 U CN206515296 U CN 206515296U CN 201720158900 U CN201720158900 U CN 201720158900U CN 206515296 U CN206515296 U CN 206515296U
- Authority
- CN
- China
- Prior art keywords
- water
- rail
- defect detector
- coupling
- detector car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of rail-defect detector car ultrasound couple device, including：Water pipe, one end connection water route of water pipe, for being passed through coupling water；Water nozzle, water nozzle is arranged in front of the spy wheel of rail-defect detector car, and is connected with the other end of water pipe, the coupling water for spraying the fan-shaped water surface to the surface of rail.Water nozzle is apart from Rail Surface certain altitude so that the coupling water of water nozzle sprinkling reaches width of the water surface width more than or equal to rail of Rail Surface.The utility model can provide quick, uniform covering of the fan water for Rail Surface, greatly reduce the generation of water smoke, while enhancing coupling effect.
Description
Technical field
The utility model is related to rail engineering machinery technical field, more particularly, to a kind of applied to the super of rail-defect detector car
Acoustical coupling device.
Background technology
Large-scale ultrasonic rail inspection car is the large-scale maintenance machinery for detecting hurt inside rail, is ensuring railway security fortune
Row aspect plays very important effect.Because ultrasonic wave propagates meeting sharp-decay in atmosphere, therefore generally utilize coupling liquid
Air between discharge ultrasonic transducer and Rail Surface takes turns (ultrasonic transducer combination unit) so as to reduce ultrasonic wave from spy
Ultrasonic energy losses when inside rail are incided, this process is referred to as coupling.It is domestic at present because water is less expensive and environmental protection
Large-scale ultrasonic rail defect-detecting equipment is used as the couplant (coupling water) for visiting wheel and Rail Surface, the effect of coupling using water mostly
Ultrasonic inspection Detection results will be directly affected.Inspection car needs constantly sprinkling coupling water during detection operation, couples aquatic products
At low ambient temperatures, easily accumulation forms ice cube to raw water smoke on failure detector, if deal with improperly, or even influence driving peace
Entirely.Wheel is visited in addition, being taken turns in rail-defect detector car operation process and needing to change after film breakage, now needs to stop spraying coupling water.But
Static coupling water freezing is very fast in low temperature (less than -25 DEG C) environment, pipeline, and coupled conduit joint may be damaged after icing
So as to cause coupling not smooth or fail due to coupled problem.Therefore, the environment below -25 DEG C at present, large-scale rail-defect detector car is not
It is recommended that operation, have impact on flaw detection of the inspection car under especially less than -25 DEG C environment of low temperature and uses.
Existing ultrasonic coupling system is primarily present following technological deficiency：
(1) existing ultrasound couple device is atomized using wind, when -25 DEG C of environment (even lower temperature) spray, coupling
Heshui can in short-term snow and influence coupling effect；
(2) a large amount of water smokes that existing ultrasound couple device is produced can gather icing on failure detector, so as to influence system
Safety；
(3) existing ultrasound couple device is smaller in the water spots that Rail Surface is formed, and is easily caused in the case of die misalignment
Coupling effect is bad, so as to influence carrying out flaw detection effect；
(4) existing ultrasound couple device is general to couple water transfer pipeline using anti-icing fluid filling in temporary parking, again
The anti-icing fluid filled during driving in pipeline can be sprayed to Rail Surface, and train travel braking is influenceed to a certain extent, so that in the presence of
Potential safety hazard；
(5) existing ultrasound couple device can only be made when pipeline freezes by the way that car body is entered into Cooley storehouse heater temperature
Ice melts automatically in pipeline, and storehouse quantity is very limited in inspection car room, while pipeline icing can also damage pipeline component and (such as connect
Head).
Therefore, seek it is a kind of efficiently, be not likely to produce water smoke, cope with the ultrasound couple device of low temperature environment and particularly weigh
Will.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of rail-defect detector car ultrasound couple device, can be steel
Track surface provides quick, uniform covering of the fan water, the generation of water smoke is greatly reduced, while enhancing coupling effect.
In order to realize above-mentioned utility model purpose, the utility model specifically provides a kind of rail-defect detector car ultrasonic coupling dress
The technic relization scheme put, a kind of rail-defect detector car ultrasound couple device, including：
Water pipe, one end connection water route of the water pipe, for being passed through coupling water；
Water nozzle, the water nozzle is arranged in front of the spy wheel of rail-defect detector car, and is connected with the other end of the water pipe, is used for
To the coupling water of the fan-shaped water surface of surface sprinkling of rail.Surface certain altitude of the water nozzle apart from the rail so that described
The coupling water of water nozzle sprinkling reaches width of the water surface width more than or equal to the rail of Rail Surface.
It is preferred that, the outside of the water pipe sets having heaters, and the heater is used for the coupling water in the water pipe
It is incubated.
It is preferred that, the heater uses adaptive heater, and the heater can automatically adjust power output, to ensure
Coupling water in the water pipe is in the temperature range of setting.
It is preferred that, the bottom of the water nozzle, which is provided with, to be provided with guiding gutter, the guiding gutter for spraying coupling water
Flow-guiding mouth.
It is preferred that, the water conservancy diversion internal diameter of the water nozzle is less than the internal diameter of the water pipe, and the internal diameter of the flow-guiding mouth is less than described
The water conservancy diversion internal diameter of water nozzle.
It is preferred that, the internal diameter of the flow-guiding mouth is less than or equal to 1mm.
It is preferred that, the outer surface of upper of the water nozzle is provided with external screw joint, and the water nozzle is connect by the external screw thread
Mouth is connected with the other end of the water nozzle.
It is preferred that, the one end in the water pipe connection water route is also associated with gas circuit, when ambient temperature is less than 0 DEG C, leads to
Cross the gas circuit and be passed through pressure air into the water pipe, to prevent the water pipe from freezing.
It is preferred that, the gas circuit is connected with blower fan or pump or rail-defect detector car car body bellows chamber, by the blower fan or pump or steel
Rail inspection car car body bellows chamber is passed through the wind with pressure into the water pipe, and the wind with pressure is carried out before the water pipe is entered
The pre-heat treatment.
It is preferred that, when the rail-defect detector car stops low temperature environment for a long time, by the water route into the water pipe
It is passed through anti-icing fluid.When running into rail-defect detector car power supply trouble, by the rail-defect detector car car body bellows chamber by the water pipe
Coupling water discharge.
By implementing the technical scheme for the rail-defect detector car ultrasound couple device that above-mentioned the utility model is provided, with as follows
Beneficial effect：
(1) the utility model can provide quick, uniform covering of the fan water for Rail Surface, greatly reduce the production of water smoke
It is raw, while enhancing coupling effect；
(2) water is coupled in the utility model can carry out pre-add heat treatment, the protection of self-adaptive temperature heater, special
Water nozzle outlet does not result in coupling water droplet cohesion, so as to the flaw detection operation for adapting to extremely tremble with fear under environment；
(3) the fan-shaped membrane water surface that water nozzle is produced in the utility model, ultrasonic transducer and rail table can be met very well
Coupling between face, and can using water wisely, satisfaction long range flaw detection job requirements；
(4) width of water nozzle generation moisture film can be adjusted in the utility model, for visiting wheel and the feelings of rail center deviation
Condition, coupling needs can be also met well；
(5) the utility model carries out provisional protection using air filling pipeline, not only environmental protection but also energy-conservation, and effect can
Meet the requirement of Emergency use.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described.It should be evident that drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other embodiments can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of specific embodiment of the utility model rail-defect detector car ultrasound couple device；
Fig. 2 is that the stereochemical structure of water nozzle in a kind of specific embodiment of the utility model rail-defect detector car ultrasound couple device is shown
It is intended to；
Fig. 3 is that the cross-section structure of water nozzle in a kind of specific embodiment of the utility model rail-defect detector car ultrasound couple device shows
It is intended to；
Fig. 4 is that the polycrystalline substance of water nozzle in a kind of specific embodiment of the utility model rail-defect detector car ultrasound couple device shows
It is intended to；
In figure：1- water pipes, 2- heaters, 3- gas circuits, 4- water routes, 5- water nozzles, 6- guiding gutters, 7- flow-guiding mouths, 8- external screw threads
Interface, 9- visits wheel, 10- moisture films, 11- rail.
Embodiment
For the sake of quoting and understanding, by the technical term hereinafter used, write a Chinese character in simplified form or abridge and be described below：
Visit wheel：Ultrasonic transducer assembled unit, is equipped with several different detections on a kind of wheeled construction body, central shaft frame
Coupling liquid is full of in the ultrasonic transducer of angle, wheel film；During carrying out flaw detection, visit wheel and longitudinally rolled along rail；
Couple water：Using general running water, for eliminating the air gap visited between wheel and Rail Surface and forming steady
Determine moisture film so that ultrasonic wave energy is effectively transmitted in rail；
Venturi effect：When blowing air over obstacle, near ports air pressure is relatively low above the lee face of obstacle,
So as to produce suction-operated and cause the flowing of air.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.Obviously, retouched
The embodiment stated is only a part of embodiment of the present utility model, rather than whole embodiments.Based in the utility model
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of the utility model protection.
As shown in accompanying drawing 1 to accompanying drawing 4, the specific implementation of the utility model rail-defect detector car ultrasound couple device is given
Example, the utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of specific embodiment of rail-defect detector car ultrasound couple device, including：
Water pipe 1, one end connection water route 4 of water pipe 1, for being passed through coupling water, water pipe 1 is used can be with appropriately curved soft
Coupling water, the end of flexible pipe is delivered to by pressurizeing by pipe, and to adapt to low temperature environment, coupling water can be added before conveying
Heat treatment；
Water nozzle 5, water nozzle 5 is arranged at the front of spy wheel 9 of rail-defect detector car, and is connected with the other end (end) of water pipe 1, uses
In the coupling water that the fan-shaped water surface is sprayed to the surface of rail 11.Surface certain altitude of the water nozzle 5 apart from rail 11 so that water nozzle 5
The coupling water of sprinkling reaches the width of the water surface width more than or equal to rail 11 on the surface of rail 11.
The utility model rail-defect detector car ultrasound couple device apply to the spy wheel 9 of large-scale rail-defect detector car and rail 11 it
Between coupling, it is adaptable to -30 DEG C to 55 DEG C of ultra-low temperature surroundings temperature so that rail-defect detector car is in the direction shown in L along along accompanying drawing 1
During advance, with the special water nozzle 5 that can produce fan-shaped water surface sprinkling coupling water, it can visited using positioned at the front for visiting wheel 9
One stable moisture film region of formation between the surface of (ultrasonic transducer) 9 and rail 11 is taken turns, ultrasonic acoustic energy is effectively ensured most of
Into rail 11, so as to ensure flaw detection effect.
The outside of water pipe 1 sets having heaters 2, and heater 2 is used to be incubated the coupling water in water pipe 1, to reduce
Couple thermal loss of the water in transmitting procedure.Heater 2 uses adaptive heater, and heater 2 can be according to surrounding environment
Temperature automatic adjustment power output (the certain power output of certain environment temperature correspondence), to ensure the coupling in water pipe 1
Water is in the temperature range of setting, and this is highly advantageous to flaw detection operation.Meanwhile, the utility model contrast constant output
Heater, is more saved using self-adaptive temperature mode of heating.
When coupling water is delivered to the end of water pipe 1, the water nozzle 5 of a fan-shaped water surface is accessed, now the pressure in the pipeline of water pipe 1
Power is substantially in 3bar between 4bar.As shown in Figure 2, the bottom of water nozzle 5 is provided with guiding gutter 6, guiding gutter 6 and is provided with use
In the flow-guiding mouth 7 of sprinkling coupling water.As shown in accompanying drawing 3 and accompanying drawing 4, the water conservancy diversion internal diameter R2 of water nozzle 5 is less than the internal diameter R1 of water pipe 1,
The internal diameter R3 of flow-guiding mouth 7 is significantly less than the water conservancy diversion internal diameter R2 of water nozzle 5, to produce the water flow velocity in Venturi effect, increase water nozzle 5
Degree.The angle of flow-guiding mouth 7 of the water nozzle 5 of the fan-shaped water surface can be adjusted according to the setting height(from bottom) of water nozzle 5, make the surface of arrival rail 11
Water surface width and rail 11 it is wide, or somewhat it is wide go out several millimeters, can so ensure in bend or other situation tests
When wheel 9 deviates 11 center of rail, the rail head of rail 11 can be still completely covered in fan-shaped moisture film 10.It is limited and makes current
Amount, it is ensured that appropriate water film thickness, the internal diameter R3 of flow-guiding mouth 7 is less than or equal to 1mm, and smaller bore can control moisture film 10
Thickness, the consumption for reducing coupling water, extension flaw detection operation mileage.The width of the fan-shaped water surface can adjust, so as to ensure rail 11
Tunneling boring is coupled, and when visiting the center of the deviation rail 11 of wheel 9, moisture film 10 can still cover the rail head of rail 11.Meanwhile, at a high speed
Coupling water can break coupling water tension force, do not result in coupling water be condensed into drop in the flow-guiding mouth 7 (jet hole) of water nozzle 5
(may be frozen under low temperature).This is very important under the conditions of extremely low temperature, if producing the water droplet of cohesion, extremely easily exists
Freeze herein, this is very unfavorable for flaw detection operation.The outer surface of upper of water nozzle 5 is provided with external screw joint 8, and water nozzle 5 passes through
External screw joint 8 is connected with the other end of water nozzle 5.
Because rail-defect detector car is during traveling, visits wheel 9 and be possible to damage (as wheel film is damaged), such case is current
The situation that will necessarily occur during large-scale inspection car flaw detection, now needs temporary parking to change and visits wheel 9.That visits wheel 9 more changes jobs one
As can be completed in 2 to 5 minutes, environment temperature be higher than 0 DEG C when, it is only necessary to stop toward water pipe (pipeline) 1 continue convey coupling
Water.The one end in the connection of water pipe 1 water route 4 is also associated with gas circuit 3, when ambient temperature less than 0 DEG C (especially less than -15
DEG C) when, to prevent pipeline icing phenomenon, pressure air is passed through into water pipe 1 by gas circuit 3, frozen to prevent antipriming pipe 1.Gas circuit 3
It is connected with blower fan or pump or rail-defect detector car car body bellows chamber, is led to from blower fan or pump or rail-defect detector car car body bellows chamber into water pipe 1
Enter the wind with pressure, the wind with pressure carries out the pre-heat treatment before oral siphon 1 is entered.
When rail-defect detector car stops low temperature environment for a long time, anti-icing fluid is passed through into water pipe 1 by water route 4.When running into
During rail-defect detector car power supply trouble, the coupling water in water pipe 1 can be arranged by the gas stored in rail-defect detector car car body bellows chamber
Go out.This in environment of extremely trembling with fear the rail-defect detector car that works it is most important, if water that can not in time in discharge line, is conveyed
The pipeline component of coupling water is very likely damaged because of icing.
The rail-defect detector car ultrasound couple device of the utility model above-described embodiment description give it is a kind of efficient, can
The ultrasound couple device scheme applied under ultra-low temperature surroundings, is that large-scale rail-defect detector car carries out carrying out flaw detection under environment of extremely trembling with fear
Operation is provided may.The utility model rail-defect detector car ultrasound couple device can provide quick, uniform covering of the fan water, significantly
The generation of water smoke is reduced, while enhancing coupling effect.In addition, distinctive gas circuit design and self-adaptive temperature heating are installed
Meter, which is efficiently solved, couples water freezing to the adverse effect of coupling under low temperature environment, ensure that rail-defect detector car in low temperature
Carrying out flaw detection operation is smoothed out under environment.Using the water nozzle 5 of the fan-shaped water surface can be produced, the stable fan-shaped water surface and water can be produced
Film 10, the water outlet to water pipe (pipeline) 1 accelerates, and water-filling face of going forward side by side is widened, and without atomization.By Venturi effect,
Rationally the structure of design water nozzle 5, increases Water discharge flow speed, it is ensured that the continuity of sector coupling water.Because water outlet is integrally continuous
Property preferably, water outlet is uniform and speed, and generation snowization or ice pellets are not easy under the conditions of extremely low temperature, coupling is being effectively ensured
Accumulation icing effect is decreased while closing effect.Meanwhile, coupling effect is enhanced, saved with water, added flaw detection work
Industry mileage.Secondly, the design of wind path 3 is with the addition of in water pipe (pipeline) 1, provisional protection and emergent place is carried out to pipeline using air
Reason.Coupling water during ingenious use blast excludes pipeline when low temperature environment (less than 0 DEG C) temporary parking is changed and visits wheel 9, temporarily
Protect pipeline, it is to avoid pipeline is frozen in, efficiently solve that rail-defect detector car pipeline in low temperature temporary parking easily freezes asks
Topic.When long-time low temperature environment is parked, pipeline filling anti-icing fluid protection pipeline.In addition, such as the burst event of vehicle electric power system
When hindering and powering off, pipeline can also be filled automatically using gas and carry out system self-protection, pipeline is dried up by blast, it is maximum
Degree protects the pipeline component of coupled system.Meanwhile, by introducing self-adaptive temperature heater, pipeline is effectively protected ultralow
Not by bursting by freezing under warm environment, hydraulic pipeline is protected, to reach control coupling coolant-temperature gage, while saving the purpose of the energy.
By implementing the technical scheme for the rail-defect detector car ultrasound couple device that the utility model specific embodiment is described, energy
Enough produce following technique effect：
(1) the rail-defect detector car ultrasound couple device of the utility model specific embodiment description can provide for Rail Surface
Quickly, uniform covering of the fan water, greatly reduces the generation of water smoke, while enhancing coupling effect；
(2) the rail-defect detector car ultrasound couple device of the utility model specific embodiment description can carry out pre- to coupling water
Heat, self-adaptive temperature heater is protected, special water nozzle outlet does not result in coupling water droplet cohesion, so as to suitable
The flaw detection operation that should extremely tremble with fear under environment；
(3) fan-shaped membrane that the rail-defect detector car ultrasound couple device of the utility model specific embodiment description can be produced
The water surface, the coupling between ultrasonic transducer and Rail Surface can be met very well, and can using water wisely, satisfaction long range flaw detection work
Industry requirement；
(4) the moisture film width that the rail-defect detector car ultrasound couple device of the utility model specific embodiment description is produced can be with
Adjustment, when visiting wheel with rail center deviation, coupling needs can be also met well；
(5) the rail-defect detector car ultrasound couple device of the utility model specific embodiment description is entered using air filling pipeline
Row provisional protection, not only environmental protection but also energy-conservation, and effect disclosure satisfy that the requirement of Emergency use.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
It is described above, only it is preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation.Although the utility model is disclosed as above with preferred embodiment, but is not limited to the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from Spirit Essence of the present utility model and technical scheme, all using upper
The methods and techniques content for stating announcement makes many possible variations and modification to technical solutions of the utility model, or is revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solutions of the utility model, according to skill of the present utility model
Art essence still falls within this practicality new to any simple modification made for any of the above embodiments, equivalent substitution, equivalence changes and modification
The scope of type technical scheme protection.
Claims (10)
1. a kind of rail-defect detector car ultrasound couple device, it is characterised in that including：
Water pipe (1), one end connection water route (4) of the water pipe (1), for being passed through coupling water；
Water nozzle (5), the water nozzle (5) is arranged in front of the spy wheel (9) of rail-defect detector car, and with the other end of the water pipe (1)
It is connected, the coupling water for spraying the fan-shaped water surface to the surface of rail (11)；Table of the water nozzle (5) apart from the rail (11)
Face certain altitude so that the water surface width that the coupling water of water nozzle (5) sprinkling reaches rail (11) surface is more than or equal to institute
State the width of rail (11).
2. rail-defect detector car ultrasound couple device according to claim 1, it is characterised in that：The outside of the water pipe (1)
It is provided with the heater (2) for being incubated to the coupling water in the water pipe (1).
3. rail-defect detector car ultrasound couple device according to claim 2, it is characterised in that：The heater (2) uses
Power output can be automatically adjusted to ensure that the coupling water in the water pipe (1) is in the adaptive heater of design temperature scope.
4. the rail-defect detector car ultrasound couple device according to any one of claims 1 to 3, it is characterised in that：The water nozzle
(5) bottom is provided with the flow-guiding mouth (7) being provided with guiding gutter (6), the guiding gutter (6) for spraying coupling water.
5. rail-defect detector car ultrasound couple device according to claim 4, it is characterised in that：The water conservancy diversion of the water nozzle (5)
Internal diameter R2 is less than the internal diameter R1 of the water pipe (1), and the internal diameter R3 of the flow-guiding mouth (7) is less than the water conservancy diversion internal diameter of the water nozzle (5)
R2。
6. rail-defect detector car ultrasound couple device according to claim 5, it is characterised in that：The flow-guiding mouth (7) it is interior
Footpath R3 is less than or equal to 1mm.
7. rail-defect detector car ultrasound couple device according to claim 6, it is characterised in that：The top of the water nozzle (5)
Outer surface is provided with external screw joint (8), and the water nozzle (5) is another by the external screw joint (8) and the water nozzle (5)
End is connected.
8. the rail-defect detector car ultrasound couple device according to claim 1,2,3,5,6 or 7 any one, it is characterised in that：
One end of water pipe (1) connection water route (4) is also associated with gas circuit (3), when ambient temperature is less than 0 DEG C, by described
Gas circuit (3) is passed through pressure air into the water pipe (1), to prevent the water pipe (1) from freezing.
9. rail-defect detector car ultrasound couple device according to claim 8, it is characterised in that：The gas circuit (3) and blower fan
Or pump or rail-defect detector car car body bellows chamber are connected, from the blower fan or pump or rail-defect detector car car body bellows chamber to the water pipe (1)
The wind with pressure is inside passed through, the wind with pressure carries out the pre-heat treatment before the water pipe (1) is entered.
10. rail-defect detector car ultrasound couple device according to claim 9, it is characterised in that：When the rail-defect detector car
When stopping low temperature environment for a long time, anti-icing fluid is passed through into the water pipe (1) by the water route (4)；When running into rail examination
During car power supply trouble, the coupling water in the water pipe (1) is discharged by the rail-defect detector car car body bellows chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158900.8U CN206515296U (en) | 2017-02-22 | 2017-02-22 | Rail-defect detector car ultrasound couple device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158900.8U CN206515296U (en) | 2017-02-22 | 2017-02-22 | Rail-defect detector car ultrasound couple device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515296U true CN206515296U (en) | 2017-09-22 |
Family
ID=59868113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720158900.8U Active CN206515296U (en) | 2017-02-22 | 2017-02-22 | Rail-defect detector car ultrasound couple device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645413A (en) * | 2017-02-22 | 2017-05-10 | 株洲时代电子技术有限公司 | Ultrasonic coupling device for rail flaw detecting car |
| CN113405631A (en) * | 2021-05-19 | 2021-09-17 | 哈尔滨工程大学 | Transducer and ice surface coupling device for underwater water depth measurement |
-
2017
- 2017-02-22 CN CN201720158900.8U patent/CN206515296U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645413A (en) * | 2017-02-22 | 2017-05-10 | 株洲时代电子技术有限公司 | Ultrasonic coupling device for rail flaw detecting car |
| CN113405631A (en) * | 2021-05-19 | 2021-09-17 | 哈尔滨工程大学 | Transducer and ice surface coupling device for underwater water depth measurement |
| CN113405631B (en) * | 2021-05-19 | 2022-08-12 | 哈尔滨工程大学 | Transducer and ice surface coupling device for underwater water depth measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106645413A (en) | Ultrasonic coupling device for rail flaw detecting car | |
| CN206515296U (en) | Rail-defect detector car ultrasound couple device | |
| CN101443658B (en) | System and method for the detection of faults in rails | |
| CN204113401U (en) | A kind of urea tube that can heat and be incubated | |
| CN203666652U (en) | Sand spreading system for rail vehicle | |
| CN106870301A (en) | A kind of Portable wind power Leaf-Air interior circulation heats deicing system | |
| CN208997712U (en) | A kind of buried jet chimney structure | |
| JP6420435B2 (en) | Spray system for temperature drop in tunnel | |
| JP6216248B2 (en) | Spray system for temperature drop in tunnel | |
| CN216207426U (en) | Spraying system capable of removing residual water in pipeline | |
| CN110042755A (en) | Bridge cable protective case, protective device and its bridge cable | |
| CN113551865A (en) | Spraying system capable of removing residual water in pipeline | |
| CN209938584U (en) | Train-mounted anti-icing system | |
| CN103953166B (en) | A kind of flat roof deck induces snow blowing apparatus step by step | |
| CN208643013U (en) | A kind of anti-freezing agent automatic spraying equipment | |
| CN105951662B (en) | A kind of disturbance defroster | |
| CN208386090U (en) | It is a kind of for laterally by stream contact line deicer | |
| CN203698277U (en) | Sanding device for railway vehicle | |
| JP5843240B2 (en) | Wet snow generation method and wet snow generation apparatus | |
| CN108104862B (en) | Deep mine driving working face cooling system and control method thereof | |
| CN208774762U (en) | Electric heating stucco mouth used for rail vehicle | |
| KR20090111922A (en) | Independent Fire extinguishing system for canal tunnel | |
| CN218221669U (en) | Workshop spraying dust-settling device | |
| CN217940080U (en) | Guniting system of guniting granulator | |
| CN106000702B (en) | A kind of vehicle-mounted spray equipment of rolling stock anti-freeze fluid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |