CN210427454U - Ultrasonic rail flaw detection vehicle with insulation device - Google Patents
Ultrasonic rail flaw detection vehicle with insulation device Download PDFInfo
- Publication number
- CN210427454U CN210427454U CN201920831241.9U CN201920831241U CN210427454U CN 210427454 U CN210427454 U CN 210427454U CN 201920831241 U CN201920831241 U CN 201920831241U CN 210427454 U CN210427454 U CN 210427454U
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- wheel
- probe
- probe wheel
- flaw detection
- detection vehicle
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Abstract
The utility model provides a rail ultrasonic wave flaw detection car with insulator arrangement, includes the automobile body, is connected to the probe wheel carrier on the automobile body and sets up the insulator arrangement between automobile body and probe wheel carrier, wherein, should visit the wheel carrier and include: a fixed plate connected to a vehicle body; the supporting wheel is connected with the fixed plate through a supporting wheel connecting frame and is contacted with the steel rail tread; the first probe wheel and the second probe wheel respectively comprise a leather wheel, coupling liquid sealed in the leather wheel and an acoustic wave transducer arranged in the coupling liquid, and the leather wheel is in pressure contact with a steel rail tread in a rolling friction mode; one end of the first probe wheel connecting frame is connected with the first probe wheel through a first probe wheel supporting shaft, and the other end of the first probe wheel connecting frame is connected to the fixing plate; one end of the second probe wheel connecting frame is connected with the second probe wheel through a second probe wheel supporting shaft, and the other end of the second probe wheel connecting frame is connected to the fixing plate; the rim of the guide wheel is tightly attached to the inner side of the steel rail.
Description
Technical Field
The utility model relates to a rail ultrasonic wave flaw detection car with insulator arrangement belongs to rail flaw detection car technical field.
Background
Ultrasonic detection is an important mode of nondestructive inspection of the existing steel rail, and has important significance for ensuring the operation safety of a locomotive. At present, most lines in China adopt an electrified track technology, and the electrified track technology has the functions of track circuits to realize train running monitoring, current signal transmission and control and the like. Therefore, the insulation performance is an important safe operation index of the rail system. In the detection process of the flaw detection vehicle, the guide wheels are in direct contact with the steel rails, the steel rails on the left side and the right side are easily conducted with the metal detecting wheel frame and the vehicle body, a closed loop and stray current are formed on the railway, interference is brought to the normal operation of the railway, and safety accidents can be caused seriously.
Therefore, there is a need to develop an ultrasonic rail flaw detection vehicle with an insulation device to solve one or more of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more technical problem among the prior art, the utility model provides a rail ultrasonic wave flaw detection vehicle with insulator arrangement, its characterized in that includes the automobile body, is connected to the probe wheel carrier on the automobile body and sets up the insulator arrangement between the automobile body and probe wheel carrier, and wherein, should visit the wheel carrier and include:
a fixed plate connected to a vehicle body;
the supporting wheel is connected with the fixed plate through a supporting wheel connecting frame and is contacted with the steel rail tread;
the first probe wheel and the second probe wheel respectively comprise a leather wheel, coupling liquid sealed in the leather wheel and an acoustic wave transducer arranged in the coupling liquid, and the leather wheel is in pressure contact with a steel rail tread in a rolling friction mode;
one end of the first probe wheel connecting frame is connected with the first probe wheel through a first probe wheel supporting shaft, and the other end of the first probe wheel connecting frame is connected to the fixing plate;
one end of the second probe wheel connecting frame is connected with the second probe wheel through a second probe wheel supporting shaft, and the other end of the second probe wheel connecting frame is connected to the fixing plate;
the rim of the guide wheel is tightly attached to the inner side of the steel rail.
According to the utility model discloses another aspect, visit the wheel carrier and still include: the flaw detection vehicle comprises a guide sliding block for guiding the flaw detection vehicle to pass through a turnout, a horizontal adjusting mechanism connected with a first probe wheel and a second probe wheel, and a deflection adjusting mechanism connected with the first probe wheel and the second probe wheel.
According to the utility model discloses another aspect, spy the wheel carrier and still including spy the wheel sealing washer.
According to the utility model discloses another aspect, visit the wheel carrier and still include coupling liquid and spray the mouth.
According to the utility model discloses on the other hand, be connected through bolt and screw between insulating device and fixed plate and the supporting wheel link, install the insulating cover of screw in the screw.
According to the utility model discloses another aspect, fixed plate formula metal construction as an organic whole.
According to the utility model discloses another aspect is provided with 8 fixed orificess on the fixed plate.
According to the utility model discloses another aspect, set up a plurality of screws on visiting the wheel seal ring.
According to another aspect of the present invention, the horizontal adjustment mechanism and the yaw adjustment mechanism each include a self-locking element.
According to the utility model discloses another aspect, the coupling liquid spraying mouth is 3, sets up respectively in the first round outside of spying, the second is visited the round outside and first and the second is visited in the middle of the round.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses an insulator arrangement can realize leading the insulation between spy wheel carrier and the automobile body, avoids the both sides rail to form electrically conductive return circuit when the car of detecting a flaw detects, has eliminated the interference of double track car of detecting a flaw to electronic track circuit, has ensured the engineering operation safety.
Drawings
Fig. 1 is a front view of an embodiment of a probe wheel frame and an insulating device of a rail ultrasonic flaw detection vehicle according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of an insulation device according to a preferred embodiment of the present invention.
Detailed Description
The best mode of the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is to be regarded as illustrative in nature and not as restrictive, and various changes and modifications may be made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1-2, the utility model provides a rail ultrasonic wave flaw detection vehicle with insulator arrangement, its characterized in that includes the automobile body, is connected to the spy wheel carrier on the automobile body and sets up at the automobile body and spy insulating device 19 between the wheel carrier, wherein, should visit the wheel carrier and include:
a fixed plate 11 attached to a vehicle body;
a supporting wheel 12 which is connected with the fixing plate 11 through a supporting wheel connecting frame 13 and is contacted with the rail tread;
the first probe wheel and the second probe wheel respectively comprise a leather wheel, coupling liquid sealed in the leather wheel and an acoustic wave transducer arranged in the coupling liquid, and the leather wheel is in pressure contact with a steel rail tread in a rolling friction mode;
a first probe wheel connecting frame 14, one end of which is connected with a first probe wheel 50 through a first probe wheel supporting shaft 15, and the other end of which is connected with the fixing plate 11;
one end of the second probe wheel connecting frame is connected with the second probe wheel 51 through a second probe wheel supporting shaft, and the other end of the second probe wheel connecting frame is connected to the fixing plate 11;
the guide wheel 16 has a rim that abuts the inside of the rail.
Preferably, the probe carriage further comprises: the flaw detection vehicle comprises a guide slide block 17 for guiding the flaw detection vehicle to pass through a turnout, a horizontal adjusting mechanism connected with a first detection wheel and a second detection wheel, and a deflection adjusting mechanism connected with the first detection wheel and the second detection wheel.
Preferably, the probe wheel frame further comprises a probe wheel sealing ring.
Preferably, the probe wheel frame further comprises a coupling liquid spraying port.
Preferably, the insulating device 19 is connected with the fixing plate 11 and the supporting wheel connecting frame through bolts and screw holes, and screw hole insulating sleeves are installed in the screw holes.
Preferably, the fixing plate 11 is of a one-piece metal structure.
Preferably, the fixing plate 11 is provided with 8 fixing holes.
Preferably, a plurality of screws are arranged on the probe wheel sealing ring. The insulating plate is preferably an insulating plate.
Preferably, the level adjustment mechanism and the yaw adjustment mechanism each comprise a self-locking element.
Preferably, the number of the coupling liquid spraying ports is 3, and the coupling liquid spraying ports are respectively arranged on the outer side of the first probe wheel 50, the outer side of the second probe wheel 51 and the middle of the first probe wheel and the second probe wheel.
Example 2
Preferably, the utility model also provides a rail ultrasonic wave flaw detection car with insulator arrangement. The ultrasonic flaw detection vehicle for the double-track steel rail can prevent the flaw detection vehicle from forming a conductive path for the steel rails on two sides, and ensures the safety of a line.
Preferably, the utility model provides a rail ultrasonic wave flaw detection vehicle with insulator arrangement, including the automobile body, be connected to the probe wheel carrier on the automobile body and set up at the automobile body and visit the insulator arrangement between the wheel carrier. Referring to fig. 1, the probe wheel frame may include a fixing plate 11, a supporting wheel 12, a supporting wheel link 13, a probe wheel link 14, a probe wheel supporting shaft 15, a guide wheel 16, and a guide slider 17. In particular, the carriage comprises two probe wheels 50 and 51 which can detect a rail simultaneously.
Preferably, the fixing plate 11 is of an integrated metal structure, bears the whole probe wheel frame, and connects the probe wheel frame with the flaw detection vehicle body through a fixing hole and a connecting piece. In order to increase the stability of the probe wheel frame when the vehicle body moves, a plurality of fixing holes are adopted.
Preferably, the rim of the guide wheel 16 is tightly attached to the inner side of the rail, so that the whole device is tightly attached to the rail, and meanwhile, the two probe wheels are kept in the middle of the tread of the rail. When the flaw detection vehicle passes through the steel rail turnout, the guide slide block 17 is required to fill the gap and guide the flaw detection vehicle to pass through.
Preferably, the supporting wheel 12 contacts with the tread of the steel rail 4, so that the probe wheel frame 1 and the steel rail are kept at a proper height, and particularly, the two probe wheels 50 and 51 form proper and stable pressure contact on the tread of the steel rail, so that a stable plane coupling area is formed between the probe wheels and the tread of the steel rail, the attenuation of ultrasonic waves is avoided, and the flaw detection accuracy is ensured.
Preferably, the support wheels 12 are connected with the fixed plate 11 and the vehicle body 2 through support wheel connection brackets 13. The probe wheels 50 and 51 are connected to the fixed plate 11 through the probe wheel connecting frame 14. The probe wheels 50 and 51 can be detached independently and are convenient to use. As the travel wheels rotate, the probe wheels 50 and 51 rotate about the probe wheel support shaft 15.
Preferably, the insulating device 19 and the screw hole insulating sleeve 20 constitute an insulator between the probe carriage and the vehicle body. Fig. 2 is a schematic view of the insulating device of the present invention. The insulator 19 is made of high-strength insulating material, such as glass fiber board and rubber board, and the screw hole insulating sleeve can be made of the same or different insulating material as the insulator, such as insulating plastic. The insulating device 19 blocks a current path between the guide wheel, the supporting wheel connecting frame, the fixing plate and the car body, so that the conduction of the steel rails on two sides through the car body of the flaw detection car is avoided. Screw hole insulating sleeves are arranged on the insulating device and screw holes in the fixing plate and the supporting wheel connecting frame, so that screw hole elements are prevented from conducting electricity, and the insulating property is further ensured. Two guide holes are respectively arranged at the left side and the right side of the probe wheel frame, and two sets of insulator devices are respectively arranged correspondingly.
Preferably, insulating device and screw insulating sleeve material are insulating plastics, and is special, and the probe wheel frame contains two probe wheels, and two probe wheels detect a rail simultaneously, can improve the relevance ratio to the more probes of different damage pertinence designs in the rail. The insulating plate is preferably an insulating plate.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses an insulator arrangement can realize leading the insulation between spy wheel carrier and the automobile body, avoids the both sides rail to form electrically conductive return circuit when the car of detecting a flaw detects, has eliminated the interference of double track car of detecting a flaw to electronic track circuit, has ensured the engineering operation safety.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rail ultrasonic wave flaw detection car with insulator arrangement which characterized in that includes the automobile body, is connected to the probe wheel carrier on the automobile body and sets up the insulator arrangement between automobile body and probe wheel carrier, wherein, should visit the wheel carrier and include:
a fixed plate connected to a vehicle body;
the supporting wheel is connected with the fixed plate through a supporting wheel connecting frame and is contacted with the steel rail tread;
the first probe wheel and the second probe wheel respectively comprise a leather wheel, coupling liquid sealed in the leather wheel and an acoustic wave transducer arranged in the coupling liquid, and the leather wheel is in pressure contact with a steel rail tread in a rolling friction mode;
one end of the first probe wheel connecting frame is connected with the first probe wheel through a first probe wheel supporting shaft, and the other end of the first probe wheel connecting frame is connected to the fixing plate;
one end of the second probe wheel connecting frame is connected with the second probe wheel through a second probe wheel supporting shaft, and the other end of the second probe wheel connecting frame is connected to the fixing plate; and
the rim of the guide wheel is tightly attached to the inner side of the steel rail.
2. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 1, wherein the probe carriage further comprises: the flaw detection vehicle comprises a guide sliding block for guiding the flaw detection vehicle to pass through a turnout, a horizontal adjusting mechanism connected with a first probe wheel and a second probe wheel, and a deflection adjusting mechanism connected with the first probe wheel and the second probe wheel.
3. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 1 or 2, wherein the probe wheel frame further comprises a probe wheel sealing ring.
4. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 3 wherein the probe carriage further includes a coupling liquid spray port.
5. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 4, wherein the insulation device is connected with the fixing plate and the supporting wheel connecting frame through bolts and screw holes, and screw hole insulation sleeves are installed in the screw holes.
6. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 5, wherein the fixing plate is of a one-piece metal structure.
7. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 4, wherein the fixing plate is provided with 8 fixing holes.
8. A rail ultrasonic flaw detection vehicle with an insulation device as claimed in claim 7 wherein a plurality of screws are provided on the probe wheel sealing ring.
9. A rail ultrasonic flaw detection vehicle with an insulation device as claimed in claim 2 wherein the level adjustment mechanism and the yaw adjustment mechanism each include a self-locking element.
10. A rail ultrasonic flaw detection vehicle with an insulation device according to claim 4, wherein the number of the coupling liquid spray ports is 3, and the coupling liquid spray ports are respectively provided outside the first probe wheel, outside the second probe wheel and in the middle of the first probe wheel and the second probe wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831241.9U CN210427454U (en) | 2019-06-04 | 2019-06-04 | Ultrasonic rail flaw detection vehicle with insulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831241.9U CN210427454U (en) | 2019-06-04 | 2019-06-04 | Ultrasonic rail flaw detection vehicle with insulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427454U true CN210427454U (en) | 2020-04-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920831241.9U Expired - Fee Related CN210427454U (en) | 2019-06-04 | 2019-06-04 | Ultrasonic rail flaw detection vehicle with insulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619622A (en) * | 2021-07-30 | 2021-11-09 | 江西日月明测控科技股份有限公司 | Auxiliary guiding device and rail inspection equipment |
-
2019
- 2019-06-04 CN CN201920831241.9U patent/CN210427454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619622A (en) * | 2021-07-30 | 2021-11-09 | 江西日月明测控科技股份有限公司 | Auxiliary guiding device and rail inspection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |