CN216052745U - Portable automatic cruise rail inspection trolley control system - Google Patents
Portable automatic cruise rail inspection trolley control system Download PDFInfo
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- CN216052745U CN216052745U CN202122132323.4U CN202122132323U CN216052745U CN 216052745 U CN216052745 U CN 216052745U CN 202122132323 U CN202122132323 U CN 202122132323U CN 216052745 U CN216052745 U CN 216052745U
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- rail
- control system
- trolley
- inclinometer
- telescopic cylinder
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Abstract
The utility model discloses a portable automatic cruise rail inspection trolley control system, wherein a rail inspection trolley comprises a trolley body, wheels and a driving motor, a rail gauge measuring mechanism is arranged at the lower part of the trolley body, and an inclinometer and a meter wheel which are used for measuring the levelness of a rail surface are arranged on the trolley body; the control system comprises a PLC controller arranged on the vehicle body, a power module and a wireless transmission module which are correspondingly connected with the PLC controller, and encoders of a driving motor, a stay wire type displacement sensor, an inclinometer and a metering wheel are respectively and correspondingly electrically connected with the PLC controller. The rail inspection trolley is used for detecting static geometric parameters of the rail, including rail gauge, rail surface levelness and unit mileage, the control system is used for recording and analyzing data, and simultaneously transmitting measured real-time data to the wireless operation panel through the wireless transmission module.
Description
Technical Field
The utility model relates to the technical field of track detection equipment, in particular to a portable automatic cruise rail inspection trolley control system.
Background
Rail transportation is an important mode of land transportation, and rail professionals need to regularly check the geometric dimensions of a rail to ensure the stable running of a train. With the continuous high-speed growth of national economy, the task of rail transit transportation is heavier and heavier, and in recent years, the speed of a railway is increased year after year, the time without train for which railway maintenance workers can effectively operate is shorter and shorter, and the task of railway maintenance is increased day by day. In order to ensure the normal use of the railway, the labor intensity of railway maintenance workers is getting bigger and bigger. The large-scale track inspection vehicle is the most reliable equipment with the highest track inspection efficiency at present, but the large-scale track inspection vehicle is called to interfere the normal operation of a line and bring great pressure to operation scheduling, so that the large-scale track inspection vehicle cannot be frequently used for completing daily maintenance of a track. Therefore, the development of a set of portable automatic cruise rail inspection vehicle which is simple in structure, complete in function, convenient and efficient to use and capable of guaranteeing the optimal measurement precision is of great significance to the promotion of the development of rail transit transportation in China, the reduction of the labor intensity of railway maintenance workers and the guarantee of life safety of the railway maintenance workers.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a portable automatic cruise rail inspection trolley control system which can realize remote and automatic control of a rail inspection trolley.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a portable automatic cruise rail inspection trolley control system is designed, the rail inspection trolley comprises a trolley body, wheels and a driving motor for driving the wheels to travel, a rail distance measuring mechanism is arranged on the lower portion of the trolley body and comprises a supporting frame arranged on the lower portion of the trolley body, the supporting frame comprises a frame body in an isosceles triangle shape, rolling wheels which are attached to the inner side face of the rail and rotate are arranged on the lower portions of the two ends of the bottom edge of the frame body respectively, a telescopic cylinder is fixedly connected to the top end of the frame body, a telescopic rod is sleeved in the telescopic cylinder, a compression spring is arranged between the telescopic rod and the inner wall of the bottom end of the telescopic cylinder, and the rolling wheels which are attached to the inner side face of the rail on the other side are arranged on the lower portion of the outer end of the telescopic rod; a sensor bracket is arranged on the telescopic rod, a stay-supported displacement sensor is arranged on the sensor bracket, a support rod corresponding to the position of the stay-supported displacement sensor is arranged on the outer wall of the telescopic cylinder, and a steel wire rope of the stay-supported displacement sensor is pulled out and fixed on the support rod so as to realize measurement of track gauge change;
an inclinometer for measuring the levelness of the rail surface is arranged on the trolley body, and a meter wheel for measuring the traveling mileage of the trolley is also arranged on the trolley body;
the control system comprises a PLC (programmable logic controller) arranged on the vehicle body, a power supply module and a wireless transmission module which are correspondingly connected with the PLC, and the driving motor, the stay wire type displacement sensor, the inclinometer and the encoder of the metering wheel are respectively and correspondingly electrically connected with the PLC; the control system also comprises a remote wireless operation panel, and the PLC controller realizes wireless data transmission and communication with the operation panel through a wireless transmission module.
The rail inspection trolley adopts the driving motor to drive the wheels to run on the rail, so that compared with the traditional manual measurement and hand-push type measurement trolley, the rail inspection trolley is more time-saving and labor-saving, and can effectively improve the detection efficiency; the track gauge is measured by arranging a track gauge measuring mechanism, the two ends of the support frame are respectively provided with a roller which is rotationally attached to the inner side surface of the rail, when the track gauge is changed, the roller at the front end of the telescopic rod is always attached to the inner side surface of the rail through the elasticity of a compression spring, the distance change between the telescopic rod and the telescopic cylinder is measured by a stay wire type precise displacement sensor, and the size and the change condition of the track gauge can be converted from the obtained data; the main core of the guyed precise displacement sensor is a rotary encoder which outputs square wave pulse, the resolution can reach 0.01mm, and the measurement precision of the track gauge can be ensured.
The slope of the track and the normal horizontal inclination angle of the track surface can be measured by arranging an inclinometer; through setting up the meter rice wheel, meter rice wheel and last rail surface direct contact and follow the dolly and rotate, can change the distance of traveling of dolly into pulse output through the accurate encoder that the meter rice wheel was taken, and the PLC controller receives the pulse number of distance, can the accurate distance of traveling of calculating the dolly, also is the accurate position that begins the calculation from the reference point.
Control system adopts the PLC controller, the speed of a motor vehicle is controlled through the rotational speed of control driving motor, positive and negative rotation through control driving motor controls the dolly and advances or retreat, can realize the remote control of dolly, automatic cruise, stay-supported displacement sensor, the encoder of inclinometer and meter rice wheel all corresponds with the PLC controller and is connected, signal transmission to the PLC controller that will measure, the PLC controller saves and handles data, then transmit long-range wireless operating panel through wireless transmission module, realize the remote control of dolly through operating panel.
Preferably, the outer end of a telescopic cylinder is provided with an opening, the outer end of a telescopic rod penetrates through the opening, an annular limiting plate is arranged on the outer wall of one end, located in the telescopic cylinder, of the telescopic rod, one end of a compression spring is fixed to the inner wall of the bottom end of the telescopic cylinder, the other end of the compression spring is fixed to the annular limiting plate, and the diameter of the annular limiting plate is larger than that of the opening. The bottom of the trolley can be provided with a sliding groove, the top of the telescopic cylinder is arranged in the sliding groove in a sliding mode through the sliding block, so that the telescopic cylinder and the telescopic rod can always have outward thrust under the action of the compression spring, and the rollers on two sides can always be attached to the inner side faces of the rails on two sides in a rolling mode. Along with the dolly is marchd along the track, the telescopic link is the concertina movement along the linear distance change on two rails in following, drives sensor support and branch and produces relative motion, and this in-process stay-supported displacement sensor's wire rope is pulled out the distance and is changed to measure the change of distance, the measured value of rethread conversion acquisition gauge.
Preferably, the lower part of the outer end of the telescopic rod is provided with a vertical connecting rod, and the roller is rotatably arranged at the bottom end of the connecting rod. Two gyro wheels of support frame other end also adopt the connecting rod, rotate the connected mode setting, the setting of isosceles triangle support frame for the straight line in telescopic link is perpendicular with the rail all the time, has realized also that measured data is minimum distance and gauge track between two rails.
Preferably, the PLC is a Siemens S7-200 series PLC.
Preferably, the inclinometer is a biaxial electronic inclinometer with the accuracy of 0.01 degrees.
The utility model has the beneficial effects that:
the rail inspection trolley is used for detecting static geometric parameters of the rail, including rail gauge, rail surface levelness and unit mileage, the control system is used for recording and analyzing data, and simultaneously transmitting measured real-time data to the wireless operation panel through the wireless transmission module.
Drawings
FIG. 1 is a control module diagram of the portable automatic cruise rail inspection trolley control system of the utility model;
FIG. 2 is a schematic structural view of a portable auto-cruise rail inspection trolley;
FIG. 3 is a schematic view of the track gauge measuring mechanism;
FIG. 4 is a schematic diagram of the detection state of the inclinometer;
reference numbers in the figures: the device comprises a vehicle body 1, wheels 2, a driving motor 3, a support frame 4, a roller 5, a telescopic cylinder 6, a telescopic rod 7 and a compression spring 8; 10 sensor bracket, 11 stay wire type displacement sensor, 12 support rod, 13 steel wire rope; 14 inclinometer, 15 meter wheel; 16 rails; 17 ring limit plate.
Detailed Description
The following examples are given to illustrate embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.
Example 1: a portable automatic cruise rail detection trolley control system comprises a trolley body 1, wheels 2 and a driving motor 3 for driving the wheels 2 to travel, and is characterized in that a rail distance measuring mechanism is arranged on the lower portion of the trolley body 1, as shown in figure 3, the rail distance measuring mechanism comprises a support frame 4 arranged on the lower portion of the trolley body 1, the support frame 4 comprises an isosceles triangle frame body, rollers 5 which are attached to the inner side surface of a rail 16 and rotate are respectively arranged on the lower portions of the two ends of the bottom edge of the frame body, a telescopic cylinder 6 is fixedly connected to the top end of the frame body, a telescopic rod 7 is sleeved in the telescopic cylinder 6, a compression spring 8 is arranged between the telescopic rod 7 and the inner wall of the bottom end of the telescopic cylinder 6, and the lower portion of the outer end of the telescopic rod 7 is provided with the rollers 5 attached to the inner side surface of the rail on the other side; the telescopic rod 7 is provided with a sensor support 10, the sensor support 10 is provided with a stay wire type displacement sensor 11, the outer wall of the telescopic cylinder 6 is provided with a support rod 12 corresponding to the position of the stay wire type displacement sensor 11, and a steel wire rope 13 of the stay wire type displacement sensor 11 is pulled out and fixed on the support rod 12 so as to realize measurement of track gauge change.
The outer end of a flexible section of thick bamboo 6 is equipped with the opening, and the opening is passed to the outer end of telescopic link 7, and the one end outer wall that lies in a flexible section of thick bamboo 6 on telescopic link 7 is equipped with annular limiting plate 17, and the bottom inner wall at a flexible section of thick bamboo 6 is fixed to compression spring 8's one end, and the other end is fixed on annular limiting plate 17, and annular limiting plate 17's diameter is greater than the open-ended diameter. The outer end lower part of telescopic link 7 is equipped with vertical connecting rod, and gyro wheel 5 rotates and sets up in the connecting rod bottom, and two gyro wheels 5 of 4 opposite sides of support frame also are through setting up the connecting rod, rotating and connecting.
An inclinometer 14 for measuring the rail surface levelness is arranged on the vehicle body 1, the inclinometer 14 being able to measure the rail slope and the rail surface normal horizontal inclination, see angle α in fig. 4. When a train enters a curve from a straight line, due to the action of centrifugal force, the abrasion of an outer rail is intensified, the steel rails are extruded outwards, in order to balance the centrifugal force, the uneven degree of the abrasion of the two steel rails is reduced, the stability of the rail is ensured, the centrifugal force is limited within a certain range, the outer rail needs to be lifted, the train body is inclined inwards to generate a centripetal force, and the centrifugal force is balanced. The value of the outer rail elevation is the superelevation in the railway geometry parameters. The ultra-high numerical value of the outer rail cannot be too small, so that the accidents of derailment and overturn caused by centrifugal force are avoided when the train passes at a high speed; the outer rail height cannot be too high, and the centripetal force generated when the low-speed train passes through a curve is ensured not to cause the danger of inside overturn. The rail surface levelness measured by the inclinometer reflects the rail surface inclination state formed at the rail bending position because the height of the outer rail is greater than that of the inner rail, and the height difference between the outer rail and the inner rail can be converted through the rail surface inclination angle.
The vehicle body 1 is also provided with a meter wheel 15 for measuring the travel mileage of the trolley, the meter wheel 15 is directly contacted with the upper rail surface and rotates along with the trolley, the travel distance of the trolley can be converted into pulses to be output through a precise encoder arranged on the meter wheel, and the PLC controller receives the number of the pulses of the distance, so that the travel mileage of the trolley can be precisely calculated, namely the precise position calculated from a reference point.
The control system comprises a PLC controller arranged on the vehicle body, a power supply module and a wireless transmission module which are correspondingly connected with the PLC controller, and referring to fig. 1, a driving motor 3, a stay wire type displacement sensor 11, an inclinometer 14 and an encoder of a metering wheel 15 are respectively and correspondingly electrically connected with the PLC controller; the control system also comprises a remote wireless operation panel, and the PLC controller realizes wireless data transmission and communication with the operation panel through a wireless transmission module. Wherein, the PLC controller can select Siemens S7-200 series PLC controller, and the inclinometer can select biaxial electronic inclinometer.
Can set up two wheels of taking driving motor, two other wheels follow the rotation can, the wheel of taking driving motor can be two wheels at opposite angles for the dolly gos forward and retreat and can both be driven in a flexible way, also can set up four wheels and all have driving motor, makes the walking of dolly more nimble.
The specific working mode of the portable automatic cruise rail inspection trolley control system is as follows: placing the trolley on the rails to be detected, enabling the wheels on the two sides to be located on the rails, enabling the lower rail gauge measuring mechanism to be located between the two rails by adjusting the positions of the telescopic rods, and enabling the rollers on the two sides to be respectively attached to the inner side edges of the rails on the two sides; meanwhile, the meter wheel is positioned on the rail surface of the rail and can rotate along with the walking of the trolley; the worker can control the driving motor to be started through the operation panel to drive the wheels to rotate, so that the trolley can walk on the track and control the walking speed of the trolley; in the walking process, the change data of the telescopic rod is measured by the stay wire type displacement sensor, so that the size and the change condition of the gauge can be converted; the slope of the track and the normal horizontal inclination angle of the track surface can be measured by an inclinometer; the distance of the trolley walking can be measured through the meter counting wheel.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. A portable automatic cruise rail inspection trolley control system comprises a trolley body, wheels and a driving motor for driving the wheels to travel, and is characterized in that a rail distance measuring mechanism is arranged on the lower portion of the trolley body and comprises a support frame arranged on the lower portion of the trolley body, the support frame comprises a frame body in an isosceles triangle shape, rollers which are attached to the inner side surface of the rails and rotate are arranged on the lower portions of the two ends of the bottom edge of the frame body respectively, a telescopic cylinder is fixedly connected to the top end of the frame body, a telescopic rod is sleeved in the telescopic cylinder, a compression spring is arranged between the telescopic rod and the inner wall of the bottom end of the telescopic cylinder, and the rollers which are attached to the inner side surface of the rail on the other side are arranged on the lower portion of the outer end of the telescopic rod; a sensor bracket is arranged on the telescopic rod, a stay-supported displacement sensor is arranged on the sensor bracket, a support rod corresponding to the position of the stay-supported displacement sensor is arranged on the outer wall of the telescopic cylinder, and a steel wire rope of the stay-supported displacement sensor is pulled out and fixed on the support rod so as to realize measurement of track gauge change;
an inclinometer for measuring the levelness of the rail surface is arranged on the trolley body, and a meter wheel for measuring the traveling mileage of the trolley is also arranged on the trolley body;
the control system comprises a PLC (programmable logic controller) arranged on the vehicle body, a power supply module and a wireless transmission module which are correspondingly connected with the PLC, and the driving motor, the stay wire type displacement sensor, the inclinometer and the encoder of the metering wheel are respectively and correspondingly electrically connected with the PLC; the control system also comprises a remote wireless operation panel, and the PLC controller realizes wireless data transmission and communication with the operation panel through a wireless transmission module.
2. The portable automatic cruise rail inspection trolley control system according to claim 1, wherein an opening is formed in the outer end of the telescopic cylinder, the outer end of the telescopic rod penetrates through the opening, an annular limiting plate is arranged on the outer wall of one end, located in the telescopic cylinder, of the telescopic rod, one end of the compression spring is fixed to the inner wall of the bottom end of the telescopic cylinder, the other end of the compression spring is fixed to the annular limiting plate, and the diameter of the annular limiting plate is larger than that of the opening.
3. The portable automatic cruise rail inspection trolley control system according to claim 1, wherein a vertical connecting rod is arranged at the lower part of the outer end of the telescopic rod, and the roller is rotatably arranged at the bottom end of the connecting rod.
4. The portable auto-cruise rail inspection trolley control system according to claim 1, wherein said PLC controller is a siemens S7-200 series PLC controller.
5. The portable auto-cruise rail inspection trolley control system according to claim 1, wherein said inclinometer is a two-axis electronic inclinometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122132323.4U CN216052745U (en) | 2021-09-06 | 2021-09-06 | Portable automatic cruise rail inspection trolley control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122132323.4U CN216052745U (en) | 2021-09-06 | 2021-09-06 | Portable automatic cruise rail inspection trolley control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216052745U true CN216052745U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122132323.4U Expired - Fee Related CN216052745U (en) | 2021-09-06 | 2021-09-06 | Portable automatic cruise rail inspection trolley control system |
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| Country | Link |
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| CN (1) | CN216052745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149339A (en) * | 2023-04-21 | 2023-05-23 | 武汉奋进智能机器有限公司 | Walking deviation correcting method and device for track equipment, medium and track equipment system |
-
2021
- 2021-09-06 CN CN202122132323.4U patent/CN216052745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149339A (en) * | 2023-04-21 | 2023-05-23 | 武汉奋进智能机器有限公司 | Walking deviation correcting method and device for track equipment, medium and track equipment system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |