CN215846524U - Online steel rail size automatic detection equipment for steel rail welding production line - Google Patents
Online steel rail size automatic detection equipment for steel rail welding production line Download PDFInfo
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- CN215846524U CN215846524U CN202122203967.8U CN202122203967U CN215846524U CN 215846524 U CN215846524 U CN 215846524U CN 202122203967 U CN202122203967 U CN 202122203967U CN 215846524 U CN215846524 U CN 215846524U
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Abstract
The utility model discloses an on-line steel rail size automatic detection device of a steel rail welding production line, which is characterized in that: the device comprises a measuring rack and a steel rail bearing and positioning device, wherein a laser rotation measuring device, a dynamic flatness measuring device and an end face inclination measuring device are arranged on the measuring rack. The steel rail sequentially passes through the steel rail bearing and positioning device, the end face inclination measuring device, the laser rotation measuring device and the dynamic flatness measuring device, the steel rail bearing and positioning device fixes the steel rail, and the end face inclination measuring device, the laser rotation measuring device and the dynamic flatness measuring device respectively detect the steel rail.
Description
Technical Field
The utility model belongs to the technical field of automatic detection in a welding process in a railway steel rail plant, and particularly relates to an online steel rail size automatic detection device for a steel rail welding production line.
Background
According to the standard requirement of TB/T1632.2 flash welding part 2 of rail welding, the main geometric dimension of the rail needs to be checked before the seamless railway rail is welded in a factory. The examination items include: rail section dimensions such As rail height (H), rail head Width (WH), rail foot Width (WF), section asymmetry (As), rail crown plumpness (C), end face inclination (vertical, horizontal), end twist, end and rail body straightness. At present, most of steel rail welding production lines adopt measuring tools such as templates and the like for manual detection.
However, the above conventional inspection methods have the following disadvantages:
1. general technical conditions for rail welding section 2: flash welding (TB/T1632.1-2014) requires that the straightness of the rail body is checked before welding of the steel rail base metal, but the straightness of the rail body is detected in a visual inspection and spot check mode due to the problems of production efficiency and the like in actual operation, and the reliability is low.
2. In order to ensure the straightness of the welded joint, the steel rails need to be selected and matched according to the rail end type size of the steel rail before welding, and the steel rails are welded by adopting the similar steel rails. At present, the steel rails are selected and matched manually, the actual operation process is complex, and the operation error is large due to the influence of human factors.
3. The labor intensity of personnel is high, the attention is easy to disperse, and the error of a manual detection result is large.
4. The manual detection consumes long time, and the welding production efficiency is seriously influenced.
At present, the existing research on the market adopts the combination of multi-line laser to measure the section size, the end face inclination and the end part distortion of the steel rail, and adopts the combination of laser and a linear guide rail to measure the straightness of the end part and the rail body. The detection efficiency is lower than that of manual detection, the production efficiency is influenced, and the target of full detection of the straightness of the rail body cannot be realized. Therefore, it has not been widely used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides the steel rail geometric dimension detection equipment which is arranged on a steel rail welding production line and can finish the online automatic detection of all items of the main geometric dimensions of the steel rail.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an online rail size automatic check out test set, bear positioner including measuring frame and rail, install laser rotation measuring device in the measurement frame, dynamic flatness measuring device and terminal surface inclination measuring device, the rail passes the rail in proper order and bears positioner, terminal surface inclination measuring device, laser rotation measuring device and dynamic flatness measuring device, the rail bears positioner and fixes the rail, terminal surface inclination measuring device, laser rotation measuring device and dynamic flatness measuring device detect the rail respectively.
Preferably, the steel rail bearing and positioning device comprises a steel rail bearing and positioning device frame, wherein a roller, a side roller and a steel rail clamping device are arranged on the steel rail bearing and positioning device frame, the roller is located at the bottom of the steel rail, the side roller is located on two sides of the steel rail, the steel rail clamping device is used for fixing the steel rail, the roller and the side roller play a role in motion guiding in the motion process of the steel rail, and the steel rail clamping device clamps and fixes the steel rail.
Preferably, the laser rotation measuring device comprises a high-precision bearing, a rotation motor, a rotation shaft and a rotation belt, wherein the high-precision bearing is provided with a laser range finder and a magneto-optical grating, the steel rail penetrates through the high-precision bearing, the laser range finder measures the steel rail and corresponds a measured value to a coordinate on the magneto-optical grating, and the rotation motor drives the laser range finder to rotate along the high-precision bearing through the rotation shaft and the belt.
Preferably, the laser rangefinder is able to swivel along a high precision bearing.
Preferably, the dynamic flatness measuring device comprises a dynamic flatness measuring setting device, a dynamic flatness measuring instrument and a measuring wheel, the dynamic flatness measuring setting device comprises a dynamic flatness measuring device rack, a dynamic flatness measuring vertical cylinder, a dynamic flatness measuring lateral cylinder and an elastic reset screw rod, the measuring wheel is positioned at the bottom of the steel rail, and the dynamic flatness measuring instrument is arranged on the dynamic flatness measuring setting device through the dynamic flatness measuring vertical cylinder, the dynamic flatness measuring lateral cylinder and the elastic reset screw rod; the dynamic flatness measuring device is used for measuring the vertical cylinder through the dynamic flatness, measuring the lateral cylinder through the dynamic flatness and controlling the dynamic flatness measuring instrument to keep different relative positions with the steel rail through different states of the elastic reset screw rod, and completing the static and dynamic measurement of the flatness of the steel rail.
Preferably, the end face inclination measuring device comprises an end face inclination measuring and setting device and a displacement sensor, the end face inclination measuring and setting device moves the displacement sensor to a measuring position, and measurement of the end face inclination of the end part of the paired steel rail is completed by calculating a measured value of the displacement sensor.
Preferably, the displacement sensors are four in number and arranged linearly.
The utility model has the beneficial effects that: the on-line steel rail dimension automatic detection equipment for the steel rail welding production line can finish measurement and inspection of the straightness of the steel rail body in the steel rail conveying and moving process, and greatly improves the efficiency. The steel rail size data can be measured, and automatic matching of the welded steel rail can be realized through software. The detection process is automatically completed, and the manual workload is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of an on-line steel rail dimension automatic detection device of a steel rail welding production line of the utility model;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of the end face inclination measuring device of the present invention;
FIG. 4 is a schematic structural diagram of a laser rotary measuring device of the present invention;
FIG. 5 is a schematic view showing the structure of the dynamic flatness measuring apparatus of the present invention.
Description of reference numerals: 1. a steel rail; 2. a measuring frame; 3. a steel rail bearing and positioning device; 4. a laser rotation measuring device; 5. a dynamic flatness measuring device; 6. an end face inclination measuring device; 31. a roller; 32. a side roller; 33. a rail clamping device; 41. a high-precision bearing; 42. a laser range finder; 43. a magnetic grating; 51. a dynamic flatness measuring and setting device; 52. a dynamic flatness measuring instrument; 53. a measuring wheel; 61. an end face inclination measuring and setting device; 62. and a displacement sensor.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments:
as shown in fig. 1 to 5, the present invention provides an on-line steel rail dimension automatic detection device for a steel rail welding production line, which is characterized in that: the device comprises a measuring rack 2 and a steel rail bearing and positioning device 3, wherein a laser rotation measuring device 4, a dynamic flatness measuring device 5 and an end face inclination measuring device 6 are arranged on the measuring rack 2. The steel rail 1 sequentially passes through the steel rail bearing and positioning device 3, the end face inclination measuring device 6, the laser rotation measuring device 4 and the dynamic flatness measuring device 5, the steel rail bearing and positioning device 3 fixes the steel rail 1, and the end face inclination measuring device 6, the laser rotation measuring device 4 and the dynamic flatness measuring device 5 respectively detect the steel rail 1.
The steel rail bearing and positioning device 3 comprises a steel rail bearing and positioning device frame, wherein a roller 31, a side roller 32 and a steel rail clamping device 33 are arranged on the steel rail bearing and positioning device frame, the roller 31 is located at the bottom of the steel rail 1, the side roller 32 is located on two sides of the steel rail 1, the steel rail clamping device 33 is used for fixing the steel rail 1, the roller 31 and the side roller 32 play a role in motion guiding in the motion process of the steel rail 1, and the steel rail clamping device 33 clamps and fixes the steel rail 1.
The steel rail clamping device 33 comprises a steel rail clamping device main body, a steel rail clamping device lateral cylinder and a steel rail clamping device vertical cylinder are arranged on the steel rail clamping device main body, the end portion of the steel rail clamping device lateral cylinder is connected with the side roller 32, and the side roller 32 is driven to move towards the center line of the position of the steel rail 1 when the piston rod end of the steel rail clamping device lateral cylinder moves in a telescopic mode. The end part of the vertical cylinder of the steel rail clamping device is rotatably connected with the roller 31, and the piston rod of the vertical cylinder of the steel rail clamping device drives the roller 31 to move up and down.
In this embodiment, the number of the side rollers 32 is two, one side roller 32 is connected to the rail clamp main body, and the other side roller 32 is connected to the rod end of the rail clamp lateral cylinder.
When the steel rail 1 is positioned in the steel rail bearing and positioning device 3, the steel rail clamping device drives the side roller 32 to move towards the center line by the action of the side cylinder, and the steel rail 1 is clamped and positioned in the horizontal direction. The rail clamping device works vertically with the cylinder to drive the movable roller 31 to move upwards, and the side roller 32 and the roller 31 jointly act to clamp and position the rail 1. The steel rail bearing and positioning device 3 plays a role in motion guiding in the motion process of the steel rail 1.
The laser rotation measuring device 4 comprises a high-precision bearing 41, a rotation motor, a rotation shaft and a rotation belt, wherein a laser range finder 42 and a magneto-optical grating 43 are arranged on the high-precision bearing 41, the steel rail 1 penetrates through the high-precision bearing 41, and the laser range finder 42 measures the steel rail 1 and corresponds a measured value to a coordinate on the magneto-optical grating 43. The laser distance measuring instrument 42 can rotate along the high-precision bearing 41, and the rotating motor drives the laser distance measuring instrument 42 to rotate along the high-precision bearing 41 through a rotating shaft and a belt, wherein the measured value rho corresponds to the theta coordinate on the magnetic grating 43 arranged on the high-precision bearing 41. And drawing the geometrical dimension of the steel rail profile in the measurement range according to the measurement rho and the value theta. Two rail bottom position lines of the measuring position can be measured according to the measured rho and theta values, and a plane within 1 meter of the rail bottom measuring range is determined.
In this embodiment, the high-precision bearing 41 includes a high-precision bearing inner ring and a high-precision bearing outer ring, and the high-precision bearing outer ring is sleeved on the high-precision bearing inner ring and can rotate relatively. The end of the rotary motor is connected with the end of the rotary shaft, and the rotary belt is respectively sleeved on the inner ring of the high-precision bearing and the rotary shaft. When the rotary motor works, the rotary shaft is driven to rotate, then the high-precision bearing inner ring is driven to rotate through the rotary belt, the laser range finder 42 and the magneto-optical grating 43 are respectively driven to rotate while the high-precision bearing inner ring rotates, and then data measurement on the steel rail 1 is completed.
In the present embodiment, the number of the laser revolution measuring devices 4 is two and the distance is one meter.
Dynamic flatness measuring device 5 includes dynamic flatness measurement setting device 51, dynamic flatness measuring instrument 52 and measuring wheel 53, dynamic flatness measurement setting device 51 includes the dynamic flatness measuring device frame, dynamic flatness measures vertical cylinder, dynamic flatness measures side direction cylinder and elasticity reset lead screw, measuring wheel 53 is located the bottom of rail 1, dynamic flatness measuring instrument 52 passes through dynamic flatness measurement vertical cylinder, dynamic flatness measures side direction cylinder, the elasticity reset lead screw is installed on dynamic flatness measurement setting device 51. The dynamic flatness measuring and setting device 51 controls the dynamic flatness measuring instrument 52 to keep different relative positions with the steel rail 1 through different states of the dynamic flatness measuring vertical cylinder, the dynamic flatness measuring lateral cylinder and the elastic reset screw rod, and static and dynamic measurement of the flatness of the steel rail 1 is completed.
Dynamic flatness measures setting device 51 and installs on dynamic flatness measuring device frame through the elasticity lead screw that resets, and dynamic flatness measuring device frame links firmly with measuring frame 2, measures vertical cylinder control dynamic flatness measuring apparatu 52 through dynamic flatness and reciprocates, measures the railhead side that dynamic flatness measuring apparatu 52 side direction is close to or keeps away from rail 1 through dynamic flatness. The device measuring wheel 53 is positioned at the bottom of the steel rail 1, and the dynamic flatness measuring device 52 is connected with the dynamic flatness measuring and setting device 51.
During static measurement, the dynamic flatness measurement setting device 51 controls the dynamic flatness measuring instrument 52 to be close to the steel rail 1, and flatness measurement is completed in the moving process of the steel rail. The sensors on the dynamic flatness measuring device 52 can measure the deviation of the steel rail 1 from the moving axis of the measuring frame 2 along the vertical and horizontal directions of the axis, and the two deviations can measure the deviation of the vertical and horizontal inclination and the flatness of the end surface.
During dynamic measurement, the dynamic flatness measuring instrument 52 can follow the moving steel rail 1 up and down and left and right, and a plurality of sensors on the dynamic flatness measuring instrument 52 dynamically measure the vertical flatness and the horizontal flatness of the steel rail body through a multipoint chord measuring method.
The end face inclination measuring device 6 comprises an end face inclination measuring and setting device 61 and a displacement sensor 62, the end face inclination measuring and setting device 61 moves the displacement sensor 62 to a measuring position, and the end face inclination of the end part of the steel rail 1 is measured by calculating the measuring value of the displacement sensor 62. The displacement sensors 62 are four in number and are arranged linearly.
In this embodiment, the setting device 61 is measured to terminal surface inclination includes that the setting device main part is measured to the terminal surface inclination, setting device cylinder and displacement sensor subassembly are measured to the terminal surface inclination, the setting device main part is measured to the terminal surface inclination and is hollow shell column structure, the setting device cylinder is measured to the terminal surface inclination is located inside the setting device main part is measured to the terminal surface inclination, the tailpiece of the piston rod of setting device cylinder is measured to the terminal surface inclination links to each other with the displacement sensor subassembly, displacement sensor 62 is located the displacement sensor subassembly, the displacement sensor subassembly is the ripe technical equipment of current cuboid form. The end face inclination measuring and setting device cylinder drives the displacement sensor assembly to move when working, so that the displacement sensor 62 is driven to move.
The vertical or horizontal inclination of the vertical or horizontal reference plane of the displacement sensor 62 to the axis of the measuring movement of the measuring frame 2 can be calibrated by means of a standard master gauge. During measurement, the displacement sensor 62 is in contact with the end face of the steel rail 1, and the distance difference between the vertical and horizontal directions of the end of the steel rail and the reference plane of the displacement sensor 62 can be measured.
The working process of the utility model is as follows:
after the front end or the tail end of the steel rail 1 to be measured enters a measuring position, a laser distance meter 42 arranged on a laser rotation measuring device 4 with the distance of one meter on a measuring frame 2 rotates along a high-precision bearing 41, and the measured value rho corresponds to the theta coordinate on a magnetic grating 43 arranged on the bearing 41.
The geometric dimension of the steel rail profile in the measuring range can be drawn according to the measured rho and theta values, the deviation can be measured after the geometric dimension of the steel rail profile is compared with the geometric dimension of a standard steel rail, and the quality judgment can be carried out after the geometric dimension of the steel rail profile is compared with a measuring sample plate specified by the standard. The examination items include: the height of the steel rail, the width of the rail head, the width of the rail bottom, the asymmetry of the section and the plumpness of the rail crown.
Two rail bottom position lines at the measuring position can be obtained according to the measured rho and theta values, the space position deviation is the end part distortion deviation, and the quality judgment can be carried out after the end part distortion deviation is compared with a measuring sample plate specified by a standard. The examination items include: the end is twisted.
After the front end or the tail end of the steel rail 1 to be measured enters the measuring position, the steel rail clamping device 33 clamps and restrains the steel rail 1. The measuring rack 2 moves the end face inclination measuring device 6 to the measuring position through the setting device 61, obtains that the rail end rail head rail is low through 4 displacement sensors 62 installed on the end face inclination measuring device 6, and the low both sides (vertical and horizontal direction) deviation of the rail, and the measuring rack 2 drives the dynamic flatness measuring instrument 52 to move along the axis direction of the steel rail 1 through the setting device 51, and the measurement of the partial flatness of the end part of the steel rail 1 is completed. The flatness measurement value and the vertical and horizontal direction deviation can be compared with a measurement sample plate specified by a standard to judge the quality of the end surface inclination. The examination items include: end face slope, partial end flatness.
After the flatness measurement of the front end part of the steel rail 1 is finished, the steel rail 1 is conveyed and moved continuously, and the measuring rack 2 is unlocked through the setting device 51, so that the dynamic flatness measuring instrument 52 can follow the moving steel rail 1 left and right, up and down. The dynamic flatness meter 52 and the measuring wheel 53 measure the flatness of the end part and the flatness of the rail body of the rest part of the front end of the steel rail 1 to the tail end of the steel rail 1. The examination items include: end flatness, rail flatness.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the utility model and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the utility model, and these changes and combinations are within the scope of the utility model.
Claims (7)
1. The utility model provides an online rail size automatic checkout equipment of rail welding production line which characterized in that: including measuring frame (2) and rail and bearing positioner (3), install laser rotation measuring device (4) on measuring frame (2), dynamic flatness measuring device (5) and terminal surface inclination measuring device (6), rail (1) passes the rail in proper order and bears positioner (3), terminal surface inclination measuring device (6), laser rotation measuring device (4) and dynamic flatness measuring device (5), rail bears positioner (3) and fixes rail (1), terminal surface inclination measuring device (6), laser rotation measuring device (4) and dynamic flatness measuring device (5) detect rail (1) respectively.
2. The on-line steel rail dimension automatic detection equipment for the steel rail welding production line according to claim 1, characterized in that: the steel rail bearing and positioning device (3) comprises a steel rail bearing and positioning device frame, wherein rollers (31), side rollers (32) and a steel rail clamping device (33) are arranged on the steel rail bearing and positioning device frame, the rollers (31) are located at the bottom of the steel rail (1), the side rollers (32) are located on two sides of the steel rail (1), the steel rail clamping device (33) is used for fixing the steel rail (1), the rollers (32) and the side rollers (32) play a role in motion guiding in the motion process of the steel rail (1), and the steel rail clamping device (33) clamps and fixes the steel rail (1).
3. The on-line steel rail dimension automatic detection equipment for the steel rail welding production line according to claim 1, characterized in that: laser gyration measuring device (4) are equipped with laser range finder (42) and magnetic grating (43) including high accuracy bearing (41), slewing motor, revolving axle and gyration belt on high accuracy bearing (41), and high accuracy bearing (41) are worn to locate in rail (1), and laser range finder (42) are measured rail (1) and are corresponded the coordinate on measured value and magnetic grating (43), and slewing motor passes through revolving axle and belt drive laser range finder (42) and follow high accuracy bearing (41) gyration.
4. The on-line steel rail dimension automatic detection equipment of the steel rail welding production line according to claim 3, characterized in that: the laser distance measuring instrument (42) can rotate along the high-precision bearing (41).
5. The on-line steel rail dimension automatic detection equipment for the steel rail welding production line according to claim 1, characterized in that: the dynamic flatness measuring device (5) comprises a dynamic flatness measuring and setting device (51), a dynamic flatness measuring instrument (52) and a measuring wheel (53), the dynamic flatness measuring and setting device (51) comprises a dynamic flatness measuring device rack, a dynamic flatness measuring vertical cylinder, a dynamic flatness measuring lateral cylinder and an elastic reset screw rod, the measuring wheel (53) is positioned at the bottom of the steel rail (1), and the dynamic flatness measuring instrument (52) is arranged on the dynamic flatness measuring and setting device (51) through the dynamic flatness measuring vertical cylinder, the dynamic flatness measuring lateral cylinder and the elastic reset screw rod; the dynamic flatness measuring and setting device (51) is used for measuring the vertical cylinder through the dynamic flatness, measuring the lateral cylinder through the dynamic flatness and keeping different state control dynamic flatness measuring instruments (52) and different relative positions of the steel rail (1) through the elastic reset screw rod, and static and dynamic measurement of the flatness of the steel rail (1) is completed.
6. The on-line steel rail dimension automatic detection equipment for the steel rail welding production line according to claim 1, characterized in that: the end face inclination measuring device (6) comprises an end face inclination measuring and setting device (61) and a displacement sensor (62), the end face inclination measuring and setting device (61) moves the displacement sensor (62) to a measuring position, and the end face inclination of the end part of the steel rail (1) is measured by calculating the measuring value of the displacement sensor (62).
7. The on-line steel rail dimension automatic detection equipment for the steel rail welding production line according to claim 6, characterized in that: the displacement sensors (62) are four in number and are arranged linearly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203967.8U CN215846524U (en) | 2021-09-13 | 2021-09-13 | Online steel rail size automatic detection equipment for steel rail welding production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203967.8U CN215846524U (en) | 2021-09-13 | 2021-09-13 | Online steel rail size automatic detection equipment for steel rail welding production line |
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| Publication Number | Publication Date |
|---|---|
| CN215846524U true CN215846524U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122203967.8U Active CN215846524U (en) | 2021-09-13 | 2021-09-13 | Online steel rail size automatic detection equipment for steel rail welding production line |
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| CN (1) | CN215846524U (en) |
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2021
- 2021-09-13 CN CN202122203967.8U patent/CN215846524U/en active Active
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