CN214201293U - Subway rail detection device - Google Patents
Subway rail detection device Download PDFInfo
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- CN214201293U CN214201293U CN202023149360.8U CN202023149360U CN214201293U CN 214201293 U CN214201293 U CN 214201293U CN 202023149360 U CN202023149360 U CN 202023149360U CN 214201293 U CN214201293 U CN 214201293U
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- 238000001514 detection method Methods 0.000 title claims abstract description 89
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009659 non-destructive testing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of subway detection equipment, in particular to a subway rail detection device, which comprises a frame and a traveling mechanism arranged at the bottom of the frame and matched with a rail; the rack is also provided with an ultrasonic detection device and a rail surface detection device; the ultrasonic detection device comprises an ultrasonic detector and two ultrasonic probes, and the ultrasonic probes are electrically connected with the ultrasonic detector; the positions of the two ultrasonic probes respectively correspond to the two rails; the ultrasonic probe is arranged on the ultrasonic bracket mechanism; the surface detection device comprises a detection wheel set and a detection rod for fixing the detection wheel set, the detection wheel set is attached to the top surface and the side surface of the rail, the detection wheel set is led to the rack by the detection rod, and a displacement sensor is arranged at the corresponding position of the detection rod. The ultrasonic nondestructive inspection can be carried out on the rail by utilizing the ultrasonic probe, and the surface evenness and the side evenness of the rail can be synchronously detected, so that the good state of the rail is ensured.
Description
Technical Field
The utility model relates to a subway check out test set technical field, in particular to subway rail detection device.
Background
With the development of cities, urban rail transit systems are more and more popular. Because the subway mainly runs by means of the rails, the running safety of the subway is directly influenced by whether the quality of the rails is guaranteed or not.
In order to ensure that the condition of the rail is good, it is necessary to perform a non-destructive inspection of the rail. At present, the nondestructive testing method for the in-service steel rail is mainly an ultrasonic pulse reflection flaw detection method. The principle of the device is to detect the flaw of the rail according to the ultrasonic echo reflected by the rail flaw.
The current detection is usually carried out manually by adopting an ultrasonic detector, and the mode is troublesome and labor-consuming. In order to improve the efficiency, an automatic detection device needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subway rail detection device, this detection device mainly used detects the rail of subway to and the damage of discovery rail in time, in order to ensure the safety of subway operation.
The utility model provides a technical scheme that its technical problem adopted is:
a subway rail detection device comprises a rack and a traveling mechanism which is arranged at the bottom of the rack and matched with a rail; the rack is also provided with an ultrasonic detection device and a rail surface detection device;
the ultrasonic detection device comprises an ultrasonic detector and two ultrasonic probes, and the ultrasonic probes are electrically connected with the ultrasonic detector; the positions of the two ultrasonic probes respectively correspond to the two rails; the ultrasonic probe is arranged on the ultrasonic bracket mechanism;
the surface detection device comprises a detection wheel set and a detection rod for fixing the detection wheel set, the detection wheel set is attached to the top surface and the side surface of the rail, the detection wheel set is led to the rack by the detection rod, and a displacement sensor is arranged at the corresponding position of the detection rod.
The ultrasonic support mechanism comprises a fixed shaft, connecting rods are arranged at two ends of the fixed shaft, a mounting seat is arranged at the end part of each connecting rod, a roller and an ultrasonic probe which are matched with the top surface of the rail are arranged on the mounting seat, and the ultrasonic probe faces towards the inner side surface of the rail.
The detection wheel set comprises a wheel seat, wherein a top wheel and a side wheel are arranged on the wheel seat, and the top wheel and the side wheel respectively correspond to the top surface and the side surface of the rail.
The displacement sensor comprises a transverse displacement sensor and a fluctuation displacement sensor, and the transverse displacement sensor is connected with the end parts of the two detection rods and is used for monitoring the transverse displacement fluctuation of the detection rods; the fluctuation displacement sensor is arranged below the detection rod and used for monitoring fluctuation of the up-down displacement of the detection rod.
The walking mechanism comprises four walking wheels matched with the rails and a driving mechanism driving the walking wheels to advance.
The utility model has the advantages that: the ultrasonic nondestructive flaw detection can be carried out on the rail by utilizing the ultrasonic probe, so that whether the rail is in a good state or not can be found in time; meanwhile, the surface flatness and the side flatness of the rail can be synchronously detected, and the conditions that the rail is not deformed in the shape and the like are ensured.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
Fig. 2 shows a schematic structural diagram of the ultrasonic support mechanism of the present invention.
Fig. 3 shows a schematic structural diagram of the detection wheel set of the present invention.
In the figure: the rail surface detection device comprises a machine frame 1, a traveling mechanism 2, an ultrasonic detection device 3, a rail surface detection device 4, an ultrasonic detection instrument 5, an ultrasonic probe 6, a detection wheel set 8, a detection rod 9, a displacement sensor 10, a fixed shaft 11, a connecting rod 12, a mounting seat 13, rollers 14, a wheel seat 15, a top wheel 16, a side wheel 17, a traveling wheel 18 and a driving mechanism 19.
Detailed Description
Further refinements will now be made on the basis of the representative embodiment shown in the figures. It should be understood that the following description is not intended to limit the embodiments to one preferred embodiment. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the embodiments as defined by the appended claims.
Specifically, referring to fig. 1, 2 and 3, fig. 1 and 2 show a subway rail detection device, which includes a frame and a traveling mechanism disposed at the bottom of the frame and engaged with a rail; the walking mechanism comprises four walking wheels matched with the rails and a driving mechanism driving the walking wheels to advance. The running mechanism mainly plays a role in running.
The rack is also provided with an ultrasonic detection device and a rail surface detection device; the two devices are mainly used for carrying out nondestructive testing and surface evenness testing on the rail and carrying out comprehensive evaluation and management on the results of the surface evenness and the nondestructive testing.
Specifically, the method comprises the following steps: the ultrasonic detection device comprises an ultrasonic detector and two ultrasonic probes, and the ultrasonic probes are electrically connected with the ultrasonic detector; the positions of the two ultrasonic probes respectively correspond to the two rails; the ultrasonic probe is arranged on the ultrasonic bracket mechanism; the ultrasonic support mechanism comprises a fixed shaft, connecting rods are arranged at two ends of the fixed shaft, a mounting seat is arranged at the end part of each connecting rod, a roller and an ultrasonic probe which are matched with the top surface of the rail are arranged on the mounting seat, and the ultrasonic probe faces towards the inner side surface of the rail.
The surface detection device comprises a detection wheel set and a detection rod for fixing the detection wheel set, the detection wheel set is attached to the top surface and the side surface of the rail, the detection wheel set is led to the rack by the detection rod and comprises a wheel seat, a top wheel and a side wheel are arranged on the wheel seat, and the top wheel and the side wheel respectively correspond to the top surface and the side surface of the rail. A displacement sensor is arranged at the position corresponding to the detection rod; the displacement sensor comprises a transverse displacement sensor and a fluctuation displacement sensor, and the transverse displacement sensor is connected with the end parts of the two detection rods and is used for monitoring the transverse displacement fluctuation of the detection rods; the fluctuation displacement sensor is arranged below the detection rod and used for monitoring fluctuation of the up-down displacement of the detection rod.
The device achieves nondestructive inspection of the rail by correspondingly arranging the ultrasonic probe on the side surface of the rail, and simultaneously, the displacement sensor is utilized to capture the fluctuation feedback of the top wheel and the side wheel on the surface of the rail to detect the surface flatness of the rail. The detected result is beneficial to the comprehensive analysis of various information in the later period and the statistical management of the data.
The detection process is as follows: the device is placed on a rail, then the driving mechanism is started to drive the whole device to move forwards along the rail, and meanwhile, the ultrasonic detection device and the rail surface detection device detect the rail. The driving mechanism is provided with a remote control module, and meanwhile, a remote controller is arranged in a matching manner, so that a detector can control the device to move forwards by using the remote controller. All the detection data will be recorded by the ultrasonic detection device and the rail surface detection device.
For purposes of explanation, specific nomenclature is used in the above description to provide a thorough understanding of the described embodiments. It will be apparent, however, to one skilled in the art that these specific details are not required in order to practice the embodiments described above. Thus, the foregoing descriptions of specific embodiments described herein are presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. It will be apparent to those skilled in the art that certain modifications, combinations, and variations can be made in light of the above teachings.
Claims (5)
1. A subway rail detection device which characterized in that: comprises a frame and a running mechanism which is arranged at the bottom of the frame and is matched with a rail; the rack is also provided with an ultrasonic detection device and a rail surface detection device;
the ultrasonic detection device comprises an ultrasonic detector and two ultrasonic probes, and the ultrasonic probes are electrically connected with the ultrasonic detector; the positions of the two ultrasonic probes respectively correspond to the two rails; the ultrasonic probe is arranged on the ultrasonic bracket mechanism;
the rail surface detection device comprises a detection wheel set and a detection rod for fixing the detection wheel set, the detection wheel set is attached to the top surface and the side surface of the rail, the detection wheel set is led to the rack by the detection rod, and a displacement sensor is arranged at the corresponding position of the detection rod.
2. A subway rail detection apparatus as claimed in claim 1, wherein: the ultrasonic support mechanism comprises a fixed shaft, connecting rods are arranged at two ends of the fixed shaft, a mounting seat is arranged at the end part of each connecting rod, a roller and an ultrasonic probe which are matched with the top surface of the rail are arranged on the mounting seat, and the ultrasonic probe faces towards the inner side surface of the rail.
3. A subway rail detection apparatus as claimed in claim 1, wherein: the detection wheel set comprises a wheel seat, wherein a top wheel and a side wheel are arranged on the wheel seat, and the top wheel and the side wheel respectively correspond to the top surface and the side surface of the rail.
4. A subway rail detection apparatus as claimed in claim 1, wherein: the displacement sensor comprises a transverse displacement sensor and a fluctuation displacement sensor, and the transverse displacement sensor is connected with the end parts of the two detection rods and is used for monitoring the transverse displacement fluctuation of the detection rods; the fluctuation displacement sensor is arranged below the detection rod and used for monitoring fluctuation of the up-down displacement of the detection rod.
5. A subway rail detection apparatus as claimed in claim 1, wherein: the walking mechanism comprises four walking wheels matched with the rails and a driving mechanism driving the walking wheels to advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023149360.8U CN214201293U (en) | 2020-12-24 | 2020-12-24 | Subway rail detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023149360.8U CN214201293U (en) | 2020-12-24 | 2020-12-24 | Subway rail detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201293U true CN214201293U (en) | 2021-09-14 |
Family
ID=77656269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023149360.8U Expired - Fee Related CN214201293U (en) | 2020-12-24 | 2020-12-24 | Subway rail detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183095A (en) * | 2022-07-08 | 2022-10-14 | 深圳市能智工业信息技术有限公司 | Monitoring device suitable for rail transit |
| CN115302072A (en) * | 2022-09-15 | 2022-11-08 | 中国航空制造技术研究院 | Backfill type friction stir spot welding method and device based on displacement feedback control |
-
2020
- 2020-12-24 CN CN202023149360.8U patent/CN214201293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183095A (en) * | 2022-07-08 | 2022-10-14 | 深圳市能智工业信息技术有限公司 | Monitoring device suitable for rail transit |
| CN115302072A (en) * | 2022-09-15 | 2022-11-08 | 中国航空制造技术研究院 | Backfill type friction stir spot welding method and device based on displacement feedback control |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |