CN210180409U - Canopy limit measuring device for existing railway line platform - Google Patents
Canopy limit measuring device for existing railway line platform Download PDFInfo
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- CN210180409U CN210180409U CN201921331037.7U CN201921331037U CN210180409U CN 210180409 U CN210180409 U CN 210180409U CN 201921331037 U CN201921331037 U CN 201921331037U CN 210180409 U CN210180409 U CN 210180409U
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Abstract
The utility model relates to a canopy limit measuring device for an existing railway platform, which comprises a frame, wherein two sides of the frame are provided with walking wheels, and the frame is provided with a frame motion parameter acquisition assembly, a stepping motor, a laser range finder, an angle encoder and a data processing device; the stepping motor and the angle encoder are fixedly arranged on two sides of the U-shaped support, and the laser range finder is coaxially connected with the stepping motor and the angle encoder; the data processing device is respectively in communication connection with the frame motion parameter acquisition assembly, the stepping motor, the laser range finder and the angle encoder. The utility model has the advantages that: the limit of the canopy is measured by adopting laser ranging and a high-precision encoder, and automatic or manual measurement can be carried out at a measurement point; the frame capable of being pushed on the steel rail is adopted, the structure is simple, and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of the railway equipment and specifically relates to a canopy limit measuring device for existing railway line platform.
Background
At present, the platform canopy can take place to subside, warp, and the position of circuit also can be along with the operation constantly changes to influence the limit size of canopy, probably take place the roof pantograph to wipe when serious transfinite and scrape, influence driving safety. Therefore, the railway building department regularly detects and maintains the limit of the existing line platform canopy.
At present, the limit dimension inspection of the existing old platform rain shed is basically measured by manually climbing a shed top hanging wire or adopting a bamboo pole top hanging wire, the measuring method is backward and unreliable, the operation intensity is high, the efficiency is low, the measuring precision is low, even accidents such as electric shock and the like caused by touching a network wire by personnel and equipment can occur, the personal and driving safety is seriously influenced, and the field measurement and management requirements can not be met.
Disclosure of Invention
The utility model aims at providing a canopy limit measuring device for railway existing line platform according to above-mentioned prior art's is not enough, scans the canopy of platform through adopting laser range finder and has realized the measurement of existing line platform canopy limit.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
a canopy limit measuring device for an existing railway station is characterized by comprising a frame, wherein two sides of the frame are provided with walking wheels, and the frame is provided with a frame motion parameter acquisition assembly, a stepping motor, a laser range finder, an angle encoder and a data processing device; the stepping motor and the angle encoder are fixedly arranged on two sides of a U-shaped support, the U-shaped support is arranged on the frame, and the laser range finder is coaxially connected with the stepping motor and the angle encoder; the data processing device is respectively in communication connection with the frame motion parameter acquisition assembly, the stepping motor, the laser range finder and the angle encoder.
The pushing handle is installed on the frame, and guide wheels are arranged at the bottoms of the two sides of the frame.
The frame motion parameter acquisition assembly comprises an inclination angle sensor, a mileage sensor, a displacement sensor and a single chip microcomputer control module; the inclination angle sensor is fixedly arranged on the frame, and the mileage sensor is in transmission connection with the traveling wheels; the number of the displacement sensors is two, and the two displacement sensors are arranged at the bottoms of the two sides of the frame; the inclination angle sensor, the mileage sensor and the displacement sensor are electrically connected with the single chip microcomputer control module; the single chip microcomputer control module is in communication connection with the data processing device.
Measuring wheels are arranged on two sides of the frame and are mounted at the bottoms of the two sides of the frame through elastic telescopic mechanisms; and an elastic sliding rod of the displacement sensor is connected with the measuring wheel.
The laser range finder, the stepping motor and the angle encoder are all in communication connection with the single chip microcomputer control module; the laser range finder, the stepping motor and the angle encoder are all communicated and transmitted to the data processing device after the data are collected by the single chip microcomputer control module.
A U-shaped bracket is arranged on one side of the frame and comprises two mounting plates; step motor and angle encoder sets up respectively two on the mounting panel, laser range finder sets up two between the mounting panel, and respectively with angle encoder and step motor's output shaft.
The frame is provided with a computer bracket, and the data processing device is arranged on the computer bracket.
The utility model has the advantages that: the limit of the canopy is measured by adopting laser ranging and a high-precision encoder, and automatic or manual measurement can be carried out at a measurement point; the frame capable of pushing on the steel rail is adopted, so that the structure is simple and the use is convenient; measuring the attitude change of the vehicle body by adopting sensors such as high-precision displacement, inclination angle and the like; and a portable computer is used for data collection, data processing, report generation and display, and the measurement result is visual and convenient.
Drawings
Fig. 1 is a perspective view of a canopy limit measuring device for an existing railway line platform;
FIG. 2 is a side view of a canopy limit measurement device for a pre-existing railway line platform;
FIG. 3 is a side view of a canopy clearance measurement device for a pre-existing railway line platform;
FIG. 4 is a schematic view of a canopy limit measurement apparatus for a platform of existing railway lines in use;
fig. 5 is a schematic diagram of a canopy limit measuring device for existing railway line stations.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-5, the labels 1-19 are respectively shown as: the device comprises a frame 1, a frame motion parameter acquisition component 2, a laser ranging component 3, a data processing device 4, a traveling wheel 5, a stepping motor 6, a laser range finder 7, an angle encoder 8, a U-shaped support 9, an inclination angle sensor 10, a mileage sensor 11, a displacement sensor 12, a single chip microcomputer control module 13, a measuring wheel 14, a steel rail 15, a pushing handle 16, a computer support 17, a guide wheel 18 and a rain shed 19.
Example (b): as shown in fig. 1, 4 and 5, the canopy clearance measuring device for the existing railway platform of the present embodiment includes a frame 1, a frame motion parameter collecting assembly 2, a laser distance measuring assembly 3 and a data processing device 4. The carriage 1 serves as the main body of the measuring device and runs on the track. The frame 1 is H-shaped, and two sides of the frame 1 are provided with traveling wheels 5 for traveling on the rails. The laser ranging component 3 is used for scanning and measuring the rain shed 19, the frame motion parameter acquisition component 2 is used for measuring the attitude information and the mileage information of the frame 1, and the measurement result of the laser ranging component 3 can be corrected according to the measurement result of the frame motion parameter acquisition component 2. The data processing device 4 is in communication connection with the vehicle frame motion parameter acquisition assembly 2, and the laser ranging assembly 3 is in communication connection with the data processing device 4 through the vehicle frame motion parameter acquisition assembly 2. The data processing device 4 is used for collecting data obtained by measurement of the laser ranging assembly 3 and the vehicle frame motion parameter collecting assembly 2 and controlling the laser ranging assembly 3.
As shown in fig. 1, 2 and 5, the laser ranging assembly 3 includes a stepping motor 6, a laser range finder 7 and an angle encoder 8. A U-shaped bracket 9 is arranged on one side of the frame 1 close to the outer rail of the track, and the U-shaped bracket 9 comprises two mounting plates; the stepping motor 6 and the angle encoder 8 are respectively arranged on the two mounting plates. The laser distance measuring instrument 7 is arranged between the two mounting plates and is respectively connected with the angle encoder 8 and the output shaft of the stepping motor 6.
The stepping motor 6, the laser range finder 7 and the angle encoder 8 are in communication connection with the data processing device 4 by taking the frame motion parameter acquisition assembly 2 as a relay. The output shaft of the stepping motor 6 is arranged along the moving direction of the frame 1, and the stepping motor 6 can drive the laser range finder 7 to swing back and forth under the control of the data processing device 4 so as to scan the rain shed 19. The angle encoder 8 is connected with the laser range finder 7, and the rotating axis of the angle encoder 8 is coaxially arranged with the output shaft of the stepping motor 6. The angle encoder 8 is used for measuring the inclination angle of the laser range finder 7, so as to measure the inclination angle of the laser emitted by the laser range finder 7, and according to the inclination angle of the laser range finder 7 and the measurement result of the laser range finder 7, the height and the horizontal position of the laser irradiation position can be calculated, so that the measurement of a certain point on the canopy 19 is realized. In the running process of the frame 1, the laser range finder 7 is driven by the stepping motor 6 to carry out point-by-point scanning measurement so as to realize the integral measurement of the rain shed 19.
As shown in fig. 1, 3 and 5, during the process of the vehicle frame 1 moving along the track, the attitude and the inclination angle of the vehicle frame affect the measurement result of the laser distance meter 7. In order to eliminate the influence of the posture change of the frame 1 on the measurement result, the posture and the position of the frame 1 in the running process are measured by the frame motion parameter acquisition assembly 2. The frame motion parameter acquisition assembly 2 comprises an inclination angle sensor 10, a mileage sensor 11, a displacement sensor 12 and a single chip microcomputer control module 13.
The singlechip control module 13 is in communication connection with the data processing device 4 through a USB data line. The stepping motor 6, the laser range finder 7 and the angle encoder 8 of the laser range finding assembly 3 are in communication connection with the single chip microcomputer control module 13; the singlechip control module 13 is arranged between the laser ranging assembly 3 and the data processing device 4 to play a role of relay and summary; the instruction from the data processing device 4 can be forwarded to the stepping motor 6 or the laser range finder 7 through the singlechip control module 13; the measurement results of the laser distance meter 7 and the measurement results of the angle encoder 8 may also be forwarded to the data processing device 4 by the single-chip microcomputer control module 13.
The tilt sensor 10 is fixedly installed on the vehicle frame and used for measuring the angle change of the vehicle frame 1, and further detecting the ultra-high quantity of the steel rails 15 on the two sides of the track. The mileage sensor 11 is in transmission connection with the traveling wheels 5 on the side edge of the frame 1 through a conveyor belt, and the mileage sensor 11 is used for measuring the running mileage of the frame 1. The displacement sensor 12 is used to measure the gauge of the vehicle frame 1 at its location.
Specifically, the number of the displacement sensors 12 is two, and the two displacement sensors 12 are arranged at the bottom of the two sides of the frame 1. The measuring wheels 14 are arranged on two sides of the frame 1, the measuring wheels 14 are installed at the bottoms of two sides of the frame 1 through elastic telescopic mechanisms, wheel shafts of the measuring wheels 14 are arranged along the vertical direction, and the elastic telescopic mechanisms push the measuring wheels 14 to two sides of the frame 1, so that the measuring wheels 14 are attached to the inner side faces of the steel rails 15 of the track. The two displacement sensors 12 are respectively connected with the two measuring wheels 14, so that the measuring results of the two displacement sensors 12 can reflect the track gauge change of the track.
The tilt sensor 10, the mileage sensor 11 and the displacement sensor 12 are electrically connected with the single chip microcomputer control module 13. Specifically, the mileage sensor 11 and the single chip microcomputer control module 13 are connected through an RS232 communication line. The single chip microcomputer control module 13 transmits the measurement results of the tilt sensor 10, the mileage sensor 11, and the displacement sensor 12 to the data processing device 4 through the USB data lines.
The data processing device 4 is a portable computer, and platform limit measurement management software is installed in the data processing device 4 and used for sorting the measurement results of the sensors, sorting related data files and diagrams, summarizing limit measurement data of all the rainsheds 19 of the station and forming related reports according to requirements of a rainshed limit management department.
A push handle 16 is mounted on the frame 1. During scanning of the canopy 19, the user pushes the carriage 1 on the rails by means of the push handle 16. The frame 1 is provided with a computer bracket 17, and the data processing device 4 is arranged on the computer bracket 17. The height of the computer support 17 is adjustable to accommodate operators of different heights using the data processing device 4. A large-capacity lithium battery is arranged in the frame 1, and a power switch and an electric quantity indicator lamp are arranged on the frame 1. In order to facilitate the vehicle frame 1 to run along the rail, the bottom parts of the two sides of the vehicle frame 1 are provided with guide wheels 18, the wheel shafts of the guide wheels 18 are arranged along the vertical direction, and the guide wheels 18 abut against the inner edges of the steel rails 15 to realize the guiding function of the vehicle frame 1. The frame 1 is made of aluminum alloy.
As shown in fig. 1 to 5, the usage of the canopy limit measuring device for the existing railway platform of the present embodiment includes the following steps:
before measurement, a calibration platform needs to be built, the frame 1 is pushed to the position of the calibration platform, and each sensor on the frame 1 is calibrated. After calibration is completed, the canopy limit measuring device is placed on the track, and the traveling wheels 5 on the two sides of the frame 1 are erected on the steel rails 15 of the track.
Before measurement, the canopy limit measurement management software on the data processing device 4 is opened, and parameters before measurement are set through the data processing device 4. During measurement, a power switch of the canopy limit measuring device is pressed down, a power indicator lamp is turned on, after the voltage displayed by the electric quantity indicating screen is in a normal range, the canopy limit measuring device is pushed forwards to a position to be measured on the steel rail 15, canopy limit measuring software is operated, the stepping motor 6 is controlled to drive the laser range finder 7 to scan the edge of the canopy 19, meanwhile, the single chip microcomputer control module 13 collects attitude information of the frame 1, measuring information of the laser range finder 7 and a measured value of the angle encoder 8 in real time and uploads the attitude information, the measuring information and the measured value to the data processing device 4, and the data processing device 4 automatically calculates and stores data such as the track distance, the superelevation, the platform height, the pushing mileage and the limit size at each measuring point. After all test point positions are tested, the platform limit measurement management software realizes the storage and analysis of data, generates a platform limit data report and can automatically draw limit transverse and vertical size curves of the whole platform canopy according to corresponding mileage values according to user requirements.
The canopy limit measuring device can measure the transverse size and the vertical size of the canopy limit at the position of the canopy limit measuring device, and records the mileage of a measuring point. The horizontal size refers to the horizontal transverse distance between the closest point of the side surface of the platform rain shed and the center lines of the two steel rails in a section perpendicular to the center of the line when the rail surface is taken as a measuring reference. The vertical dimension refers to the vertical height of the platform canopy along the bottom surface and the top surface of the steel rail in a section perpendicular to the center of the line when the rail surface is taken as a measurement reference.
Although the present invention has been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made without departing from the scope of the invention as defined in the appended claims, and therefore they are not to be considered in a repeated detail herein.
Claims (7)
1. A canopy limit measuring device for an existing railway station is characterized by comprising a frame, wherein two sides of the frame are provided with walking wheels, and the frame is provided with a frame motion parameter acquisition assembly, a stepping motor, a laser range finder, an angle encoder and a data processing device; the stepping motor and the angle encoder are fixedly arranged on two sides of a U-shaped support, the U-shaped support is arranged on the frame, and the laser range finder is coaxially connected with the stepping motor and the angle encoder; the data processing device is respectively in communication connection with the frame motion parameter acquisition assembly, the stepping motor, the laser range finder and the angle encoder.
2. The canopy limit measuring device of claim 1, wherein the frame is provided with a push handle, and guide wheels are provided at the bottom of both sides of the frame.
3. The canopy limit measuring device for the existing railway line platform of claim 1, wherein the frame motion parameter acquisition component comprises an inclination sensor, a mileage sensor, a displacement sensor and a single chip microcomputer control module; the inclination angle sensor is fixedly arranged on the frame, and the mileage sensor is in transmission connection with the traveling wheels; the number of the displacement sensors is two, and the two displacement sensors are arranged at the bottoms of the two sides of the frame; the inclination angle sensor, the mileage sensor and the displacement sensor are electrically connected with the single chip microcomputer control module; the single chip microcomputer control module is in communication connection with the data processing device.
4. The canopy limit measuring device for the existing railway line platform as claimed in claim 3, wherein measuring wheels are provided at both sides of the frame, and the measuring wheels are installed at the bottom of both sides of the frame through elastic telescopic mechanisms; and an elastic sliding rod of the displacement sensor is connected with the measuring wheel.
5. The canopy limit measuring device of claim 3, wherein the laser rangefinder, the stepper motor, and the angular encoder are all communicatively coupled to the single-chip microcomputer control module; the laser range finder, the stepping motor and the angle encoder are all communicated and transmitted to the data processing device after the data are collected by the single chip microcomputer control module.
6. The canopy limit measuring device for a railway existing line platform as claimed in claim 1, wherein a U-shaped bracket is provided at one side of the frame, the U-shaped bracket including two mounting plates; step motor and angle encoder sets up respectively two on the mounting panel, laser range finder sets up two between the mounting panel, and respectively with angle encoder and step motor's output shaft.
7. The canopy limit measuring device of claim 1, wherein the frame is provided with a computer bracket, and the data processing device is mounted on the computer bracket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331037.7U CN210180409U (en) | 2019-08-16 | 2019-08-16 | Canopy limit measuring device for existing railway line platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331037.7U CN210180409U (en) | 2019-08-16 | 2019-08-16 | Canopy limit measuring device for existing railway line platform |
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| CN210180409U true CN210180409U (en) | 2020-03-24 |
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| CN201921331037.7U Active CN210180409U (en) | 2019-08-16 | 2019-08-16 | Canopy limit measuring device for existing railway line platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902939A (en) * | 2021-03-30 | 2021-06-04 | 中铁十一局集团第三工程有限公司 | Rail clearance measuring device and rail clearance measuring method |
| CN113654535A (en) * | 2021-08-20 | 2021-11-16 | 中铁电气化局集团有限公司 | A fast marking device for standard line of rail surface |
| CN114234844A (en) * | 2022-02-15 | 2022-03-25 | 大秦铁路股份有限公司太原铁路房建段 | A three-dimensional structure measurement and deformation analysis method of railway canopy |
| CN119644351A (en) * | 2025-02-18 | 2025-03-18 | 华东交通大学 | A limit automatic measuring device |
-
2019
- 2019-08-16 CN CN201921331037.7U patent/CN210180409U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902939A (en) * | 2021-03-30 | 2021-06-04 | 中铁十一局集团第三工程有限公司 | Rail clearance measuring device and rail clearance measuring method |
| CN113654535A (en) * | 2021-08-20 | 2021-11-16 | 中铁电气化局集团有限公司 | A fast marking device for standard line of rail surface |
| CN113654535B (en) * | 2021-08-20 | 2022-04-12 | 中铁电气化局集团有限公司 | Quick marking device of rail surface standard line |
| CN114234844A (en) * | 2022-02-15 | 2022-03-25 | 大秦铁路股份有限公司太原铁路房建段 | A three-dimensional structure measurement and deformation analysis method of railway canopy |
| CN119644351A (en) * | 2025-02-18 | 2025-03-18 | 华东交通大学 | A limit automatic measuring device |
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