CN221526215U - Device for primary positioning and checking of polygonal detection sensor - Google Patents
Device for primary positioning and checking of polygonal detection sensor Download PDFInfo
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- CN221526215U CN221526215U CN202323377589.0U CN202323377589U CN221526215U CN 221526215 U CN221526215 U CN 221526215U CN 202323377589 U CN202323377589 U CN 202323377589U CN 221526215 U CN221526215 U CN 221526215U
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000006698 induction Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 11
- 238000005070 sampling Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a device for primary positioning and checking of a polygonal detection sensor, which comprises a main body and a temporary mounting seat fixed on the main body, wherein the temporary mounting seat is arranged on the main body; when the main body is arranged on a sensor mounting seat on the detection device, the height of the temporary mounting seat is the same as that of the sensor mounting seat on the detection device; the bottom of the main body is provided with a telescopic rod axially arranged along the main body; the sensor comprises a sensor detection head, a sensing plate and a height block, wherein the sensor detection head is provided with a sensor plate, the sensor plate is provided with a sensor detection head, the sensor plate is provided with a sensor plate, the sensor plate is provided with a sensor detection head, and the sensor plate is provided with a sensor detection head. The utility model can quickly reproduce the position of the induction plate, thereby conveniently and quickly adjusting the height position of the detection head, having light structure, simple operation and greatly improving the installation efficiency and accuracy. In addition, the utility model can check the sensor to improve the accuracy of the sensor.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle detection, and particularly relates to a device for primary positioning and checking of a polygonal detection sensor.
Background
When the train runs at a high speed, the wheel is easy to cause periodic abrasion of the radius of the wheel along the circumferential direction due to the factors of eccentric problem caused by manufacturing, wheel rail friction, rail excitation and the like, namely the wheel polygon; because the wheel polygon can cause the abnormal vibration of wheel rail when the vehicle is running, lead to the looseness and the too early fatigue damage of train spare part, arouse the hidden danger of operation safety, also can cause the uncomfortable of passenger on the train simultaneously. At present, the detection of the polygon of the wheels of the train at the rail side is characterized in that the displacement of the height difference between the tread and the rim of the wheels is directly measured, the deformation of the steel rail caused by the contact of the wheels and the rails during the running of the train is indirectly measured, and the vibration of the steel rail is detected at the rail side by detecting the vibration of the wheels and the rails and using an acceleration sensor.
The Chinese patent application CN202310797604.2 discloses a rail vehicle wheel tread damage detection system and a rail vehicle wheel tread damage detection method, wherein the rail vehicle wheel tread damage detection method comprises the following steps: acquiring data of downward displacement of the detection rod by using a displacement sensor; dividing the length of the detection rod into N sampling sections, and numbering the N sampling sections; the length of the sampling section is the product of the interval time of the two acquisitions of the sensor and the current speed of the wheel; selecting any point between adjacent displacement sensors as a splicing point on the detection rod, and calculating the sequence number of a sampling section where the splicing point is located; classifying the sampling section between the front and rear split points of each displacement sensor as belonging to the displacement sensor; and splicing the effective data acquired by each displacement sensor.
In the above prior art, the displacement sensor needs to be used in cooperation with the sensing plate, and the distance between the sensing head (the height of the sensing head is adjustable, and the initial height of the sensing head of each displacement sensor may be different) and the sensing plate is preset, and when the displacement sensor is mounted on the main body of the detection device, the displacement sensor needs to be set according to the preset distance. Because the installation environment is more narrow and narrow, the adjustment is inconvenient, thereby affecting the installation precision and the final detection result.
Disclosure of utility model
In view of the above, the present utility model provides a device for initial positioning and checking of a polygonal detection sensor, which can adjust the position of the detection head according to a preset height difference between the detection head and the sensing plate of the sensor, so as to facilitate installation. Meanwhile, the sensor can be checked before being installed, and the detection precision is improved.
In order to solve the technical problems, the technical scheme of the utility model is that the device for initially positioning and checking the polygonal detection sensor comprises a main body and a temporary mounting seat fixed on the main body; when the main body is arranged on a sensor mounting seat on the detection device, the height of the temporary mounting seat is the same as that of the sensor mounting seat on the detection device; the bottom of the main body is provided with a telescopic rod axially arranged along the main body; the sensor comprises a sensor detection head, a sensing plate and a height block, wherein the sensor detection head is provided with a sensor plate, the sensor plate is provided with a sensor detection head, the sensor plate is provided with a sensor plate, the sensor plate is provided with a sensor detection head, and the sensor plate is provided with a sensor detection head.
As an improvement, the telescopic rod is a screw rod which axially penetrates through the main body to be in threaded fit with the main body; the lower end of the device is provided with a disk-shaped pad, and the upper end of the device is sleeved with a lock nut.
As a further improvement, the height block is provided with a screw hole on the lower step, and the bottom of the disc-shaped pad foot is provided with a connecting screw hole matched with the screw hole, so that the height block can be fixed on the disc-shaped pad foot by using bolts.
As another further improvement, the main body is rectangular, and the thickness of the main body is consistent with the thickness of a sensor mounting seat on the detection device; the temporary mounting seat is provided in front of the main body such that the telescopic rod can be in contact with the low-stage step and the detection head of the sensor can be in contact with the high-stage step when the sensor is mounted on the temporary mounting seat.
As an improvement, the temporary mounting seat comprises a supporting arm which is arranged side by side left and right, and a connecting screw hole is formed in the supporting arm.
As an improvement, the middle part of the main body is provided with a hollow.
As an improvement, the two sides of the main body are provided with concave parts which are convenient to hold.
As an improvement, the bottom of the height plate is provided with a groove, and the height plate further comprises a plurality of check base plates with equal thickness, which are matched with the groove.
The utility model has the advantages that:
the device for the initial positioning and checking of the polygonal detection sensor with the structure comprises a main body, a sensor mounting seat of the detection device, a telescopic rod, a temporary mounting seat on the main body, a sensor mounting seat on the detection device, a sensor fixing seat on the main body, the height difference is limited through the height block, so that after the height of the detection head of the sensor is adjusted to a proper position, the sensor is installed on the detection device, and the height difference requirement between the detection head of the sensor and the induction plate is met.
The utility model can quickly reproduce the position of the induction plate, thereby conveniently and quickly adjusting the height position of the detection head, having light structure, simple operation and greatly improving the installation efficiency and accuracy.
In addition, the utility model can check the sensor to improve the accuracy of the sensor.
Drawings
FIG. 1 is a schematic view of a sensor and sensing plate mounted on a detection device.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic view of the structure of the present utility model mounted on a detecting device.
FIG. 4 is a schematic view of a sensor and height plate mounted on the present utility model.
Fig. 5 is a schematic diagram of the case where the check is performed.
The marks in the figure: 1 main body, 2 temporary mounting seat, 3 telescopic link, 4 disc pad feet, 5 fastening nut, 6 height blocks, 7 check gasket, 100 detection device, 101 sensing plate, 102 sensor, 1021 sensing head.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.
As shown in fig. 1, the detection device 100 is mounted on a rail, and the sensor 102 and the sensing plate 101 are fixed to the detection device 100. The distance between the detecting head 1021 of the sensor 102 and the sensing board is preset, for example, 2 or 3mm, according to the mounting requirements. In the assembly, the sensor 102 is installed last, and after the installation, the height of the detecting head 1021 needs to be adjusted to meet the height difference of the sensing board 101. It can be seen from the figure that the adjustment and measurement are very difficult due to the very narrow mounting position.
In order to solve the problem, as shown in fig. 2, the present utility model provides a device for initial positioning and checking of a polygon detection sensor, which comprises a main body 1 and a temporary mounting seat 2 fixed on the main body 1; when the main body 1 is mounted on the sensor mounting seat on the detection device 100, the height of the temporary mounting seat 2 is the same as that of the sensor mounting seat on the detection device 100; the bottom of the main body 1 is provided with a telescopic rod 3 axially arranged along the main body 1; also included is a height block 6 which includes two steps of height and height, and the difference in height of the two steps is a preset difference in height between the sensor detection head 1021 and the sensing board 101.
The principle of the utility model is as follows: the main body 1 is arranged on a sensor mounting seat of the detection device 100, the telescopic rod 3 is used for collecting the position of the sensing plate 101, then the temporary mounting seat on the main body 1 is used for simulating the height of the sensor mounting seat on the detection device 100, and the height difference is limited through the height block 6, so that after the height of the detection head 1021 of the sensor 102 is adjusted to a proper position, the sensor 102 is arranged on the detection device 100, and the height difference requirement between the detection head 1021 and the sensing plate 101 is met.
Specifically, the telescopic rod 3 is a screw rod, and the screw rod axially penetrates through the main body 1 to be in threaded fit with the main body 1; the lower end of the device is provided with a disk-shaped pad 4, and the upper end of the device is sleeved with a lock nut 5. The telescopic screw rod is rotated to realize telescopic movement, so that the telescopic position can be kept. The disc-shaped pad 4 can be made of elastic materials such as rubber and the like, so that the induction plate is prevented from being scratched. The lock nut 5 is used for locking the screw rod to a position, and the screw rod is prevented from rotating to cause a height error after the position is found.
The height block 6 is provided with a screw hole on the lower step, and the bottom of the disc-shaped pad 4 is provided with a connecting screw hole matched with the screw hole, so that the height block 6 can be fixed on the disc-shaped pad 4 by using bolts. When the adjustment sensor detects the head 1021, the detachment of the two is prevented from affecting the adjustment process.
The main body 1 is rectangular, and the thickness of the main body is consistent with that of a sensor mounting seat on the detection device; the temporary mount 2 is disposed in front of the main body 1 such that the telescopic link 3 can be brought into contact with a low-stage step and the sensing head 1021 of the sensor 102 can be brought into contact with a high-stage step when the sensor 102 is mounted on the temporary mount 2. The telescopic rod 3 and the detecting head 1021 are simultaneously contacted with the low-level step and the high-level step respectively, so that the effectiveness of adjustment is ensured.
The temporary mounting seat 2 comprises a supporting arm which is arranged side by side left and right, and a connecting screw hole is formed in the supporting arm, so that the sensor 102 can be temporarily fixed.
In addition, the middle part of the main body 1 is provided with a hollow-out part so as to lighten the weight, reduce the use of materials and reduce the production cost. The main part 1 both sides are provided with the depressed part of being convenient for hold, easy to assemble and dismantlement.
In use, as shown in fig. 3, the main body 1 is first partially mounted on the sensor mounting seat of the detection device 100, and the position of the sensing plate 101 is acquired by using the telescopic rod 3. The height position of the telescopic rod 3 is then locked by means of the lock nut 5. As shown in fig. 4, the main body 1 is partially detached from the detecting device 100, then the lower step of the height block 6 is connected with the disc-shaped pad 4 of the telescopic rod 3, then the sensor 102 is fixed on the temporary mounting seat 2, and the height of the detecting head 1021 is adjusted so that the detecting head 1021 contacts with the higher step of the height block 6, which means that the height position of the detecting head 1021 is adjusted, and at this time, only the sensor 102 is required to be fixed on the sensor mounting seat of the detecting device 100.
As shown in FIG. 5, the present utility model may also be used for calibration of the sensor 102. The bottom of the height plate 6 is provided with a groove, and the height plate further comprises a plurality of check base plates 7 which are matched with the groove and have the same thickness. After the position of the sensor detecting head 1021 is adjusted, the height plate 6 is turned over so that the bottom groove faces upward. The depth of the groove is a known preset value, then the thickness of the calibration pad 7 is also known and equal by placing the calibration pad 7 in the groove, and the actual values of the detecting head 1021 and the top of the calibration pad 7 can be known by adding the number of the calibration pads 7, so as to calibrate the sensor 102.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (8)
1. The utility model provides a polygon detection sensor is location and device of checking just which characterized in that: comprises a main body and a temporary mounting seat fixed on the main body; when the main body is arranged on a sensor mounting seat on the detection device, the height of the temporary mounting seat is the same as that of the sensor mounting seat on the detection device; the bottom of the main body is provided with a telescopic rod axially arranged along the main body; the sensor comprises a sensor detection head, a sensing plate and a height block, wherein the sensor detection head is provided with a sensor plate, the sensor plate is provided with a sensor detection head, the sensor plate is provided with a sensor plate, the sensor plate is provided with a sensor detection head, and the sensor plate is provided with a sensor detection head.
2. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the telescopic rod is a screw rod which axially penetrates through the main body to be in threaded fit with the main body; the lower end of the device is provided with a disk-shaped pad, and the upper end of the device is sleeved with a lock nut.
3. The device for initial positioning and checking of a polygon detection sensor according to claim 2, wherein: the height block is provided with a screw hole on the lower step, and the bottom of the disc-shaped pad foot is provided with a connecting screw hole matched with the screw hole, so that the height block can be fixed on the disc-shaped pad foot by using a bolt.
4. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the main body is rectangular, and the thickness of the main body is consistent with that of a sensor mounting seat on the detection device; the temporary mounting seat is provided in front of the main body such that the telescopic rod can be in contact with the low-stage step and the detection head of the sensor can be in contact with the high-stage step when the sensor is mounted on the temporary mounting seat.
5. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the temporary mounting seat comprises a supporting arm which is arranged side by side left and right, and a connecting screw hole is formed in the supporting arm.
6. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the middle part of the main body is provided with a hollow.
7. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the main part both sides are provided with the depressed part of being convenient for to hold.
8. The device for initial positioning and checking of a polygon detection sensor according to claim 1, wherein: the bottom of the height block is provided with a groove, and the height block further comprises a checking base plate which is matched with the groove and has a plurality of equal thicknesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323377589.0U CN221526215U (en) | 2023-12-08 | 2023-12-08 | Device for primary positioning and checking of polygonal detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323377589.0U CN221526215U (en) | 2023-12-08 | 2023-12-08 | Device for primary positioning and checking of polygonal detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221526215U true CN221526215U (en) | 2024-08-13 |
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ID=92202640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323377589.0U Active CN221526215U (en) | 2023-12-08 | 2023-12-08 | Device for primary positioning and checking of polygonal detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221526215U (en) |
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2023
- 2023-12-08 CN CN202323377589.0U patent/CN221526215U/en active Active
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