CN115489567A - Track axle counting system based on fiber grating sensor - Google Patents
Track axle counting system based on fiber grating sensor Download PDFInfo
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- CN115489567A CN115489567A CN202211132854.6A CN202211132854A CN115489567A CN 115489567 A CN115489567 A CN 115489567A CN 202211132854 A CN202211132854 A CN 202211132854A CN 115489567 A CN115489567 A CN 115489567A
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- 238000001514 detection method Methods 0.000 abstract description 5
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/161—Devices for counting axles; Devices for counting vehicles characterised by the counting methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or vehicle train, e.g. pedals
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/163—Detection devices
- B61L1/164—Mechanical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The invention discloses a track axle counting system based on a fiber grating sensor, which can move on the surface of a steel rail, wherein the steel rail is provided with the fiber grating sensor, and the track axle counting system comprises: the device comprises two moving seats for simulating wheels of a train, wherein the two moving seats are symmetrically arranged on two sides of a steel rail and are connected through telescopic joints; the laser emitter is arranged at the bottom of the movable seat and used for measuring the distance between the fiber grating sensor and the bottom of the movable seat; and the positioning roller assembly is arranged corresponding to the steel rail, is arranged at the lower part of the telescopic joint and can be adjusted at the position of the telescopic joint according to the width of the steel rail. The invention avoids the condition that the electric signal is interfered by the electromagnetic signal generated by the train and the rail due to the adoption of an electromagnetic induction type detection mode in the prior art.
Description
Technical Field
The invention belongs to the technical field of track axle counting systems, and particularly relates to a track axle counting system based on a fiber grating sensor.
Background
The railway line equipment is basic equipment of railway transportation industry, and is exposed in nature throughout the year, and is subjected to the action of wind, rain, freezing and thawing and train load, the geometric dimension of the track is continuously changed, the roadbed and the track bed are continuously deformed, and the steel rail, the connecting parts and the sleeper are continuously worn, so that the technical state of the line equipment is continuously changed, therefore, the change rule of the line equipment is mastered, the line state is timely detected, the line detection management is strengthened, and the railway line equipment is important basic work for ensuring the line quality and the transportation safety.
The principle of the device for detecting whether a train in a track section or a turnout section is occupied or not is generally called a track axle counting system, and the device is used for detecting the axle number condition between two or more axle counting points by using an electromagnetic induction type or optical fiber grating sensing type axle counting sensor to judge whether the train in the section is occupied or not. The electromagnetic induction type axle counting system mainly comprises outdoor equipment and indoor equipment, when a train passes through a sensor of the outdoor equipment, a cutting electromagnetic coil generates corresponding induced current, the induced current is transmitted to the indoor equipment through a cable, and a board card of the indoor equipment analyzes and then displays the corresponding number of passing axles. The fiber grating sensing technology is used for analyzing and calculating the influence of physical parameters such as temperature, strain and the like on the reflection wavelength position of the fiber grating. The fiber grating sensor has the advantages that electromagnetic induction type electric signals are interfered by electromagnetic signals generated by trains and rails, the problem does not exist in the optical fiber, and on the other hand, the sensor is low in mass and can be directly installed on the rails, and normal operation of the trains is not affected.
Application number CN202023282108.4 discloses a track axle counting system simulation driving device, and it is on the rail surface that it works, be provided with axle counting sensor on the rail table, at device simulation driving in-process, when the parallel axle counting sensor that passes through of wheel simulation board, the infrared distance measuring sensor of wheel simulation board bottom measures the distance between axle counting sensor upper surface and the wheel simulation board bottom to judge whether the mounted position of axle counting magnetic head sensor meets the requirements, make things convenient for the simulation driving function after technical staff debugs to the acceptance measurement of axle counting device mounted position and axle counting trouble diagnosis.
The device has the defects that when the device is installed, two telescopic joints are required to be adjusted to ensure that the distance between two wheel simulation plates meets the width or the steel rail distance of a steel rail model, the gap between the two wheel simulation plates and the two sides of the steel rail is 0.5mm, and after the device is corroded on the surface of the steel rail, the device can generate offset to influence the simulated driving.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a track axle counting system based on a fiber bragg grating sensor, which is used for measuring the offset of a steel rail based on the fiber bragg grating sensor, so that the condition that electromagnetic induction type electric signals are interfered by electromagnetic signals generated by a train and the steel rail is avoided, and on the other hand, the influence on an analog driving caused by the offset generated by slight deformation of the steel rail of the track axle counting system is avoided by arranging a positioning roller assembly.
In order to solve the technical problem, the invention adopts the following technical scheme:
track meter axle system based on fiber grating sensor, it can move on the rail surface, the rail is provided with fiber grating sensor, track meter axle system includes:
the device comprises two moving seats for simulating wheels of a train, wherein the two moving seats are symmetrically arranged on two sides of a steel rail and are connected through telescopic joints;
the laser emitter is arranged at the bottom of the movable seat and used for measuring the distance between the fiber grating sensor and the bottom of the movable seat; and
the positioning roller assembly is arranged corresponding to the steel rail and is arranged on the lower portion of the telescopic joint, and the positioning roller assembly can be adjusted to be in the position of the telescopic joint according to the width of the steel rail.
Furthermore, the positioning roller assembly comprises a first side positioning wheel set, a second side positioning wheel set arranged opposite to the first side positioning wheel set and an adjusting assembly;
the first side positioning wheel set is installed on the lower portion of the telescopic joint, the first side positioning wheel set and the second side positioning wheel set can move along one side of the steel rail respectively, the second side positioning wheel set is connected to the adjusting assembly, the adjusting assembly is arranged in the adjusting cavity of the telescopic joint, and the adjusting assembly can move in the adjusting cavity along the length direction of the telescopic joint.
Furthermore, the first side positioning wheel set comprises a first roller and a first wheel plate, wherein the first roller and the first wheel plate can roll on the first side surface of the steel rail, the first wheel plate is installed on the lower portion of the telescopic joint, and the first roller is installed on the side surface of the first wheel plate.
Further, the second side positioning wheel set comprises a second roller and a second roller plate, the second roller can roll on the second side face of the steel rail, the second roller plate is connected to the adjusting assembly, and the second roller is installed on the side face of the second roller plate.
Furthermore, the adjusting assembly comprises a rotating unit and a moving unit, the rotating unit is in transmission fit with the moving unit, the moving unit is used for fixedly mounting the second wheel plate, and the rotating unit partially extends out of the telescopic joint, so that the second wheel plate can be driven to move by the moving unit after the rotating unit is operated.
Further, the mobile unit includes movable plate and reset spring, movable plate slidable mounting is on telescopic joint regulation intracavity wall, and the movable plate is fixed with the connector towards drive unit's one end, the gyro wheel is installed to the connector, reset spring one end is installed on the telescopic joint inner wall the other end is connected to the movable plate, reset spring exerts the power that moves to the rotation unit to the movable plate.
Furthermore, the rotating unit comprises an eccentric wheel which is abutted against the roller wheel, the eccentric wheel can rotate around a rotating column, the rotating column is rotatably installed on the inner wall of the telescopic joint, and the rotating column extends out of the upper part of the adjusting cavity and is fixedly provided with a handle, so that when the operating handle can overcome the resistance of the return spring to drive the moving plate to move.
Furthermore, the adjusting part still includes spacing subassembly, spacing unit mount be in rotate post one side, and spacing subassembly includes thread bush and screw rod, the thread bush is fixed on the telescopic joint inner wall, thread bush threaded connection has the screw rod, but the screw rod orientation is rotated the post and the butt is in rotating the post side.
Further, the second side positioning wheel set further comprises a third roller and a third wheel plate, wherein the third roller is arranged on the lower surface of the steel rail and is connected to the side face of the second wheel plate through the third wheel plate.
Furthermore, the movable plate is provided with a sliding groove, the sliding groove is formed along the length direction of the telescopic joint, a limiting clamping plate is fixed on the inner wall of the telescopic joint, the limiting clamping plate extends into the sliding groove, and the movable plate can move under the limitation of the limiting clamping plate.
Compared with the prior art, the beneficial effect of this scheme is:
1. the track axle counting system based on the fiber grating sensor adopts the fiber grating sensing technology, and analyzes and calculates the influence of the physical parameters of strain on the reflection wavelength position of the fiber grating. The electromagnetic induction type detection method avoids the condition that the electric signal is interfered by the electromagnetic signal generated by the train and the rail due to the adoption of the electromagnetic induction type detection mode in the prior art.
2. The fiber bragg grating-based sensor also comprises a positioning roller assembly, the positioning roller assembly can ensure that the track axle counting system is attached to the steel rail to move, and the influence on the simulated driving caused by the offset of the track axle counting system after the first roller, the second roller and the third roller are corroded on the surface of the steel rail is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a track axle counting system based on a fiber grating sensor;
FIG. 2 is a schematic view of the connection between the first side positioning wheel set and the second side positioning wheel set and the steel rail;
FIG. 3 is a top view of the telescopic joint with the roller positioning assembly;
FIG. 4 is a cross-sectional view of the telescopic joint with the adjustment assembly installed;
FIG. 5 is a cross-sectional view of the stop assembly;
figure 6 is a cross-sectional view of a shock absorbing assembly.
The reference numbers are in sequence: the device comprises a steel rail 1, a fiber bragg grating sensor 11, a moving seat 2, a laser emitter 21, an expansion joint 3, a limiting clamping plate 31, a positioning roller assembly 4, a first side positioning wheel set 41, a first roller 411, a first wheel plate 412, a second side positioning wheel set 42, a second roller 421, a second wheel plate 422, a third roller 424, a third wheel plate 425, a moving unit 43, a moving plate 431, a sliding groove 4311, a return spring 432, a connecting head 433, a rotating unit 44, an eccentric wheel 441, a rotating column 442, a handle 443, a limiting assembly 45, a threaded sleeve 451, a screw 452, a damping assembly 46, a damping cavity 461, a mounting plate 462, a damping spring 463, a damping column 464 and a limiting plate 465.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, in the conventional track axle counting system (also called a track axle counting system simulation driving device), moving seats 2 are respectively arranged on two outer side surfaces of two parallel steel rails 1, the moving seats 2 are connected through telescopic joints 3, and the conventional track axle counting system adopts an electromagnetic induction type to transmit signals.
The invention relates to a track axle counting system based on a fiber grating sensor, which can move on the surface of a steel rail 1 on the basis of the existing track axle counting system, wherein the steel rail 1 is provided with a fiber grating sensor 11, and the track axle counting system comprises:
the device comprises moving seats 2 used for simulating wheels of a train, wherein two moving seats 2 are symmetrically arranged on two sides of a steel rail 1, the two moving seats 2 are connected through telescopic joints 3, and the end parts of the telescopic joints 3 are arranged on the upper parts of the moving seats 2;
the laser emitter 21 is arranged corresponding to the fiber bragg grating sensor 11, the laser emitter 21 is installed at the bottom of the movable base 2, and the laser emitter 21 is used for measuring the distance between the fiber bragg grating sensor 11 and the bottom of the movable base 2; and
and the positioning roller assembly 4 is arranged corresponding to the steel rail 1, the positioning roller assembly 4 is arranged at the lower part of the telescopic joint 3, and the positioning roller assembly 4 can be adjusted at the position of the telescopic joint 3 according to the width of the steel rail 1.
According to a specific embodiment provided by the invention, in specific implementation, the carbon fiber can be drawn into the optical fiber and laid on the carrier, and the carrier can be in a block structure and then etched into the grating to be installed on the steel rail 1 to form the sensor. After the grating receives the laser signal of the laser emitter 21, the reflection wavelength exists, and the height of the steel rail 1 can be detected in real time according to the wavelength condition reflected by the grating at different positions where the track axle counting system is located.
The fiber grating sensor 11 can use the steel rail 1 to simulate the running condition of a train, that is, the fiber grating sensor 11 is placed in a certain small section of the steel rail 1, and all train wheels passing through the section can be detected once as long as the laying length of the fiber grating sensor 11 is ensured to be slightly larger than the perimeter of one wheel.
When the telescopic joint is installed, the distance between the two movable seats 2 can meet the width of the type 1 steel rail or the distance between the two steel rails 1 by adjusting the two telescopic joints 3, and the telescopic joints 3 can be made of the existing telescopic structure. The positioning roller assembly 4 can ensure that the track axle counting system is tightly attached to the steel rail 1 to move, so that the detection process is more accurate and reliable. The specific operation mode is that the adjusting assembly is operated to place the first roller 411 and the second roller 421 on two sides of the steel rail 1 respectively, so that the first roller 411, the second roller 421 and the third roller 424 are in contact with the surface of the steel rail 1, and finally the movement simulation travelling crane is performed.
Further, as shown in fig. 2 to 5, the positioning roller assembly 4 includes a first side positioning wheel set 41, a second side positioning wheel set 42 disposed opposite to the first side positioning wheel set 41, and an adjusting assembly;
the first side positioning wheel set 41 is mounted on the lower portion of the telescopic joint 3, the first side positioning wheel set 41 and the second side positioning wheel set 42 can respectively move along one side of the steel rail 1, the second side positioning wheel set 42 is connected to the adjusting assembly, the adjusting assembly is arranged in an adjusting cavity of the telescopic joint 3, and the adjusting assembly can move in the adjusting cavity along the length direction of the telescopic joint 3.
Further, the first side positioning wheel set 41 includes a first roller 411 and a first wheel plate 412, the first roller 411 and the first wheel plate 412 can roll on the first side of the rail 1, the first wheel plate 412 is installed at the lower portion of the telescopic joint 3, and the first roller 411 is installed at the side of the first wheel plate 412.
Further, the second side positioning wheel set 42 includes a second roller 421 and a second roller plate 422 capable of rolling on the second side of the steel rail 1, the second roller plate 422 is connected to the adjusting assembly, and the second roller 421 is installed on the side of the second roller plate 422.
According to an embodiment of the present invention, in the present embodiment, the first wheel plate 412 and the second wheel plate 422 are both vertically disposed, and the telescopic joint 3 is horizontally disposed in the use state.
The shape of the rail 1 is shown in fig. 1, the rail 1 comprises two parallel sides, the lower part of the rail has a plane, and the first roller 411 and the second roller 421 roll on the two sides of the rail 1 respectively. In an initial state, the second wheel plate 422 is at a certain distance from the side surface of the steel rail 1, and after the first roller 411 and the second roller 421 are placed on the two sides of the steel rail 1, the adjusting assembly can be operated to move the second wheel plate 422 to the steel rail 1, so that the second roller 421 and the first roller 411 are attached to the side surface of the steel rail 1.
Further, the adjusting assembly comprises a rotating unit 44 and a moving unit 43, the rotating unit 44 is in transmission fit with the moving unit 43, the moving unit 43 is used for fixedly mounting the second wheel plate 422, and a part of the rotating unit 44 extends out of the telescopic joint 3, so that the second wheel plate 422 can be driven to move by the moving unit 43 after the rotating unit 44 is operated.
Further, the moving unit 43 includes a moving plate 431 and a return spring 432, the moving plate 431 is slidably mounted on the inner wall of the adjusting cavity of the telescopic joint 3, a connector 433 is fixed at one end of the moving plate 431 facing the driving unit, a roller is mounted on the connector 433, one end of the return spring 432 is mounted on the inner wall of the telescopic joint 3, the other end of the return spring is connected to the moving plate 431, and the return spring 432 applies a force to the moving plate 431 to move to the rotating unit 44.
According to a specific embodiment provided by the present invention, the telescopic joint 3 may be set to be a three-stage structure according to actual conditions, two stages close to the moving seat 2 are both provided with adjusting components, the adjusting components are set close to the moving seat 2, so as to avoid influencing the insertion of the middle telescopic joint 3 into the two stages of telescopic joints 3, the number of the return springs 432 may be selected according to actual conditions, only one end of the moving plate 431 may be provided with one spring, and two return springs 432 may be symmetrically arranged at the moving end.
Further, the rotation unit 44 includes an eccentric wheel 441 disposed against the roller, the eccentric wheel 441 can rotate around a rotation column 442, the rotation column 442 is rotatably mounted on the inner wall of the telescopic joint 3, and the rotation column 442 extends to the upper portion of the adjustment cavity and is fixed with a handle 443, so that when the handle 443 is operated, the moving plate 431 can be moved against the resistance of the return spring 432.
According to an embodiment of the present invention, when the user rotates the handle 443 to rotate the rotating column 442, the eccentric wheel 441 rotates synchronously, and the moving unit 43 moves to drive the second wheel plate 422 to move closer to or away from the side of the steel rail 1. In the specific design, the rotating column 442 may be designed to have a damping structure with the inner wall of the adjustment cavity, and the rotating column 442 is in clearance fit with the hole, so that the rotating column 442 can rotate only when the user rotates manually, and the purpose of positioning the moving unit 43 by the eccentric wheel 441 can be achieved.
Further, the adjusting assembly further comprises a limiting assembly 45, the limiting assembly 45 is installed on one side of the rotating column 442, the limiting assembly 45 comprises a threaded sleeve 451 and a threaded rod 452, the threaded sleeve 451 is fixed on the inner wall of the telescopic joint 3, the threaded sleeve 451 is in threaded connection with the threaded rod 452, and the threaded rod 452 faces the rotating column 442 and can abut against the side face of the rotating column 442.
According to an embodiment of the present invention, the limiting assembly 45 is used to limit the eccentric wheel 441 to rotate freely, and only an operator needs to rotate the rotating column 442 to a certain angle, and then operate the screw 452 to limit the rotation of the rotating column 442 and the eccentric wheel 441, which is very convenient to use.
Further, the second side positioning wheel set 42 further includes a third roller 424 and a third wheel plate 425, the third roller 424 is disposed on the lower surface of the steel rail 1 and is connected to the side surface of the second wheel plate 422 through the third wheel plate 425.
The third roller 424 is used for being attached to the lower surface of the steel rail 1, so that the first roller 411 and the second roller 421 are arranged on the left side and the right side of the steel rail 1, and the third roller 424 is arranged on the lower surface of the steel rail 1 and limits the whole track axle counting system to move along the steel rail 1.
Further, the moving plate 431 is provided with a sliding groove 4311, the sliding groove 4311 is arranged along the length direction of the telescopic joint 3, a limiting clamping plate 31 is fixed on the inner wall of the telescopic joint 3, the limiting clamping plate 31 extends into the sliding groove 4311, and the moving plate 431 can move under the limitation of the limiting clamping plate 31.
As shown in fig. 6, in order to avoid damage to the first roller 411, the second roller 421 and the third roller 424 on the side of the steel rail 1 when the side of the steel rail 1 deforms, the roller is also designed with a damping assembly 46, the damping assembly 46 is installed in a damping cavity 461 of the first roller plate 412, the second roller plate 422 or the third roller plate 425, and the damping cavity 461 is correspondingly arranged at the corresponding roller. Specifically can be at one side fixed mounting plate 462 of gyro wheel, damping spring 463 is installed to mounting plate 462, damping spring 463 cover is established outside shock strut 464, shock strut 464 one end is fixed on mounting plate 462, the other end is fixed with limiting plate 465, spring one end butt is on mounting plate 462, the other end then the butt is on corresponding shock attenuation chamber 461 inner wall, damping spring 463 adopts compression spring, exert the power of releasing shock attenuation chamber 461 to mounting plate 462, thereby make the gyro wheel butt that corresponds 1 side at the rail, in order to avoid shock strut 464 to break away from shock attenuation chamber 461, the limiting plate 465 area of shock strut 464 is greater than the tang of shock attenuation chamber 461 inner wall, make the gyro wheel promote after the certain distance by damping spring 463, limiting plate 465 and tang butt can.
The working principle of the track axle counting system is as follows:
in the simulation driving process, when removing the seat 2 and go up the parallel when passing through fiber grating sensor 11, the laser emitter 21 that removes the seat 2 bottom measures the distance between 11 upper surfaces of fiber grating sensor and the removal seat 2 bottom to judge whether fiber grating sensor 11's mounted position meets the requirements, make things convenient for the simulation driving function after technical staff checks the acceptance measurement and the diagnosis debugging of axle counting trouble of track axle counting system mounted position.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Track meter axle system based on fiber grating sensor, it can move on the rail surface, its characterized in that, the rail is provided with fiber grating sensor, track meter axle system includes:
the device comprises two moving seats for simulating wheels of a train, wherein the two moving seats are symmetrically arranged on two sides of a steel rail and are connected through telescopic joints;
the laser emitter is arranged at the bottom of the movable seat and used for measuring the distance between the fiber grating sensor and the bottom of the movable seat; and
the positioning roller assembly is arranged corresponding to the steel rail and is arranged on the lower portion of the telescopic joint, and the positioning roller assembly can be adjusted to be in the position of the telescopic joint according to the width of the steel rail.
2. The fiber grating sensor-based orbital axle counting system of claim 1, wherein: the positioning roller assembly comprises a first side positioning wheel set, a second side positioning wheel set and an adjusting assembly, wherein the second side positioning wheel set is arranged opposite to the first side positioning wheel set;
the first side positioning wheel set is installed on the lower portion of the telescopic joint, the first side positioning wheel set and the second side positioning wheel set can move along one side of the steel rail respectively, the second side positioning wheel set is connected to the adjusting assembly, the adjusting assembly is arranged in the adjusting cavity of the telescopic joint, and the adjusting assembly can move in the adjusting cavity along the length direction of the telescopic joint.
3. The fiber grating sensor-based orbital axle counting system of claim 2, wherein: the first side positioning wheel set comprises a first roller and a first wheel plate, the first roller can roll on the first side face of the steel rail, the first wheel plate is arranged on the lower portion of the telescopic joint, and the first roller is arranged on the side face of the first wheel plate.
4. The fiber grating sensor-based orbital axle counting system of claim 2, wherein: the second side positioning wheel set comprises a second roller wheel and a second wheel plate, the second roller wheel can roll on the second side face of the steel rail, the second wheel plate is connected to the adjusting assembly, and the second roller wheel is installed on the side face of the second wheel plate.
5. The fiber grating sensor-based orbital axle counting system of claim 4, wherein: the adjusting component comprises a rotating unit and a moving unit, the rotating unit is in transmission fit with the moving unit, the moving unit is used for fixedly mounting the second wheel plate, and the rotating unit partially extends out of the telescopic joint, so that the second wheel plate can be driven to move by the moving unit after the rotating unit is operated.
6. The fiber grating sensor-based orbital axle counting system of claim 5, wherein: the mobile unit includes movable plate and reset spring, movable plate slidable mounting is on telescopic joint regulation intracavity wall, and the movable plate is fixed with the connector towards drive unit's one end, the gyro wheel is installed to the connector, reset spring one end is installed on the telescopic joint inner wall the other end is connected to the movable plate, reset spring exerts the power that moves to the rotation unit to the movable plate.
7. The fiber grating sensor-based orbital axle counting system of claim 6, wherein: the rotating unit comprises an eccentric wheel which is abutted against the roller wheel, the eccentric wheel can rotate around a rotating column, the rotating column is rotatably installed on the inner wall of the telescopic joint, the rotating column extends out of the upper part of the adjusting cavity and is fixedly provided with a handle, and when the operating handle can overcome the resistance of the return spring to drive the moving plate to move.
8. The fiber grating sensor-based orbital axle counting system of claim 7, wherein: the adjusting part further comprises a limiting part, the limiting part is installed on one side of the rotating column, the limiting part comprises a threaded sleeve and a screw rod, the threaded sleeve is fixed on the inner wall of the telescopic joint, the threaded sleeve is in threaded connection with the screw rod, and the screw rod faces the rotating column and can be abutted to the side face of the rotating column.
9. The fiber grating sensor-based orbital axle counting system of claim 8, wherein: the second side positioning wheel set further comprises a third roller and a third wheel plate, and the third roller is arranged on the lower surface of the steel rail and is connected to the side face of the second wheel plate through the third wheel plate.
10. The fiber grating sensor-based orbital axle counting system of claim 6, wherein: the movable plate is provided with a sliding groove, the sliding groove is formed in the length direction of the telescopic joint, a limiting clamping plate is fixed to the inner wall of the telescopic joint, the limiting clamping plate extends into the sliding groove, and the movable plate can move under the limitation of the limiting clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132854.6A CN115489567A (en) | 2022-09-15 | 2022-09-15 | Track axle counting system based on fiber grating sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132854.6A CN115489567A (en) | 2022-09-15 | 2022-09-15 | Track axle counting system based on fiber grating sensor |
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| Publication Number | Publication Date |
|---|---|
| CN115489567A true CN115489567A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211132854.6A Withdrawn CN115489567A (en) | 2022-09-15 | 2022-09-15 | Track axle counting system based on fiber grating sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450924A (en) * | 2023-10-25 | 2024-01-26 | 武汉万曦智能科技有限公司 | Robot and method for detecting out-of-tolerance abrasion of guide rail |
-
2022
- 2022-09-15 CN CN202211132854.6A patent/CN115489567A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450924A (en) * | 2023-10-25 | 2024-01-26 | 武汉万曦智能科技有限公司 | Robot and method for detecting out-of-tolerance abrasion of guide rail |
| CN117450924B (en) * | 2023-10-25 | 2024-04-02 | 武汉万曦智能科技有限公司 | Robot and method for detecting out-of-tolerance abrasion of guide rail |
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Application publication date: 20221220 |