CN113389099A - Automatic leveling online detection device and method for turnout base plate after welding - Google Patents
Automatic leveling online detection device and method for turnout base plate after welding Download PDFInfo
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- CN113389099A CN113389099A CN202110835409.5A CN202110835409A CN113389099A CN 113389099 A CN113389099 A CN 113389099A CN 202110835409 A CN202110835409 A CN 202110835409A CN 113389099 A CN113389099 A CN 113389099A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/32—Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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Abstract
The provided automatic leveling on-line detection device and method for the switch base plate after welding comprises the following steps: the leveling process is called out, a pressing block is moved to a starting position, a first supporting plate and a second supporting plate are lifted to be higher than a top block, a turnout base plate is placed, primary detection is carried out, the pressing block is horizontally moved to adjust and presses down the turnout base plate so that the turnout base plate is in contact with the top block, a PLC calculates the difference between detection devices, the difference is larger than 1mm, the leveling is carried out again until the difference is smaller than or equal to 1mm, the pressing block is stopped to be pressed too flat, the pressing block is lifted, the first supporting plate and the second supporting plate move upwards to the highest position to lift the turnout base plate again, the turnout base plate is separated from the top block, and the detection devices are automatically reset and finished. The invention adopts the detection device to detect the planeness value of the turnout base plate on line and transmits the planeness value to the PLC controller, and the PLC controller controls the automatic leveling of the turnout base plate, thereby realizing the automatic operation of the equipment, having high leveling precision, and saving labor, time, labor and efficiency.
Description
Technical Field
The invention belongs to the technical field, and particularly relates to an automatic leveling online detection device and method for a turnout base plate after welding.
Background
At present, the leveling of the welded turnout base plate is carried out by manually operating a common press, and the flatness detection of the turnout base plate is carried out by manually operating a knife edge leveling ruler. The detection precision is low, the labor intensity of workers is high, and the implementation and the operation of the turnout base plate automation device are seriously restricted.
With the wide use of automation control technology and high-precision detection devices, in the automation control technology, the PLC has a powerful operation function, can implement and process the feedback signal of the automation high-precision detection device, calculate the actual flatness of the turnout, and can realize the automatic operation of the whole set of system by using the data. For this reason, the following improvements are proposed.
Disclosure of Invention
The technical problems solved by the invention are as follows: the detection device is used for detecting the flatness value of the turnout base plate on line and transmitting the flatness value to the PLC controller, and the PLC controller controls the automatic leveling of the turnout base plate, so that the automatic operation of equipment is realized.
The technical scheme adopted by the invention is as follows: the automatic leveling on-line detection method of the welded turnout base plate is characterized by comprising the following steps:
s001, calling a leveling process from the PLC;
s002, the PLC controls the pressing block to move to the initial designated position;
s003, controlling the first supporting plate and the second supporting plate to horizontally lift in a coplanar manner and be higher than the upper end surface of the top block by the PLC;
s004, an industrial robot grabs the turnout base plate and places the turnout base plate in the center positions of the first supporting plate and the second supporting plate;
s005, carrying out primary detection on the turnout base plate by the six detection devices, and transmitting detection data to the PLC;
s006, the PLC adjusts the horizontal pressing position of the pressing block through the pressing block horizontal moving device according to the detection result, so that the pressing block moves right above a turnout base plate with the maximum value detected by the six detection devices, the PLC controls the pressing block to move downwards through the pressing block vertical moving system and contact with the turnout base plate, the first supporting plate and the second supporting plate move downwards under pressure, and the six detection devices change at the same speed;
s007, the back of the turnout base plate is in contact with the top block, the pressing block continues to press down the turnout base plate, the change rate and the displacement of the six detection devices are changed, and real-time detection data are transmitted to the PLC;
s008, calculating a difference value between the maximum value and the minimum value of displacement of the six detection devices by the PLC, when the difference value is larger than 1mm, adjusting and moving a pressing block to be horizontally moved to a position right above a turnout base plate where the maximum difference value detection device is located by the PLC through a pressing block horizontal moving device, controlling the pressing block to be pressed down again through a pressing block vertical moving system by the PLC, increasing the pressing block pressing value again by 0.2mm compared with the last pressing value, detecting the turnout base plate again by the six detection devices after the pressing block is pressed down again, and if the difference value between the maximum value and the minimum value of the displacement of the six detection devices is still larger than 1mm, adjusting the pressing block to be pressed down again by the PLC until the difference value between the maximum value and the minimum value of the displacement of the six detection devices is smaller than or equal to 1 mm;
s009, the PLC controls the pressing block to rise, the first supporting plate and the second supporting plate ascend to support the turnout base plate, so that the first supporting plate and the second supporting plate rise to the highest positions, and the jacking block is separated from the turnout base plate; the six detection devices are automatically reset;
and S010, finishing automatic detection and automatic leveling.
The switch base plate post-welding automatic leveling online detection device comprises a base, wherein a vertical top block is arranged in the center of the upper end face of the base, and a first supporting plate and a second supporting plate which are axially symmetrical and can be lifted are arranged on the left side and the right side of the top block respectively; six detection devices which are vertically upward are arranged on the left side and the right side of the top block; the detection device is arranged in a left-right axial symmetry mode by taking the ejector block as a symmetry axis; a pressing block device mounting seat is arranged above the base; the top end of the mounting seat of the briquetting device is fixedly connected with the bottom end execution tail end of the briquetting up-down moving system; the pressing block device mounting base supports and mounts the left pressing block horizontal moving device and the right pressing block horizontal moving device; the left pressing block horizontal moving device and the right pressing block horizontal moving device respectively adjust the translation positions of a left pressing block and a right pressing block which face downwards vertically; the detection device is connected with the input end of the PLC; the output end of the PLC is connected with the lifting control ends of the first supporting plate and the second supporting plate; the output end of the PLC is connected with the control input ends of the left pressing block horizontal moving device and the right pressing block horizontal moving device; and the PLC is in interactive connection with the pressing block up-and-down moving system.
In the above technical solution, further: the first supporting plate and the second supporting plate are driven to lift through a first air cylinder, a second air cylinder or hydraulic steel.
In the above technical solution, further: the detection device is a linear displacement sensor.
In the above technical solution, further: the briquetting moves the system from top to bottom and includes vertical pneumatic cylinder or cylinder that sets up, and the terminal link joint briquetting device mount pad top is carried out to the piston rod of pneumatic cylinder or cylinder in order to drive the whole elevating movement of briquetting device mount pad.
In the above technical solution, further: the left pressing block horizontal moving device and the right pressing block horizontal moving device respectively comprise a speed reducing motor, the speed reducing motor is connected with and drives a horizontal screw rod to rotate, a screw nut is installed on the horizontal screw rod in a screwing and fitting mode, the screw nut is connected with the top end of a vertically installed pressing block through a bearing seat assembly, and the pressing block drives and adjusts the translation position of the pressing block relative to the horizontal screw rod through the speed reducing motor; the pressing block consists of a left pressing block 7 and a right pressing block.
Compared with the prior art, the invention has the advantages that:
1. the invention installs six detection devices capable of automatically stretching on a base, and is provided with a pair of first and second lifting supporting plates, a turnout base plate is placed on the lifting supporting plate, the detection devices initially detect the turnout base plate, the detection devices transmit data to a PLC (programmable logic controller), the PLC calculates the flatness of the turnout base plate according to the data of the detection devices, the turnout base plate automatically levels according to the flatness, in the automatic leveling process of the turnout base plate, the detection devices transmit real-time change data to the PLC as the basis of the action control of the PLC, the pressing leveling operation is stopped until the detection difference of the detection devices is less than or equal to the process requirement, a pressing block returns, the supporting plate is lifted and reset, the detection devices automatically reset, and the automatic on-line leveling detection is completed.
2. The six detection devices are used for detecting the real-time linear position value of the turnout base plate, so that a data base is laid for implementation and application adjustment of an automatic device, the six detection devices determine the displacement difference value, a data support base is laid for accurate leveling, and the adjustment is more time-saving, labor-saving and labor-saving.
3. The left and right pressing blocks are used for pressing down, the first and second supporting plates are matched with the central jacking block to realize the lifting operation of the turnout base plate, the pressing down and the jacking are combined, and the left and right pressing blocks capable of translating left and right are used for performing micro-motion pressing down orthopedic adjustment on the raised position of the turnout base plate, so that the leveling requirements of high precision and high efficiency are met.
4. The left and right pressing block horizontal moving devices are respectively driven by the speed reducing motor, and the screw pair of the screw rod nut realizes the accurate translation adjusting function of the left and right positions of the pressing block through high-accuracy transmission, so that the requirements of high-accuracy adjustment and transmission are met, and the leveling is more accurate and reliable.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram of the control of the apparatus of the present invention;
FIG. 3 is a schematic view of the automatic detection and leveling structure of the apparatus of the present invention;
FIG. 4 is a schematic structural diagram of the horizontal moving device of the left and right pressing blocks in FIG. 3;
in the figure: 1-a base, 2-a top block, 3-a first supporting plate, 4-a second supporting plate, 5-a detection device, 6-a turnout base plate, 7-a left pressing block, 8-a right pressing block, 9-a left pressing block horizontal moving device, 10-a right pressing block horizontal moving device, 11-a pressing block device mounting seat, 12-a PLC controller and 13-a pressing block up-and-down moving system; 14-a speed reducing motor, 15-a horizontal screw rod, 16-a screw rod nut and 17-a bearing seat assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
(as shown in figure 1) the automatic leveling online detection method after the switch base plate is welded is characterized by comprising the following steps:
s001, calling a leveling process from the PLC 12; the PLC controller adopts Siemens S7-1200 PLC.
S002, the PLC 12 controls the pressing block to move to the initial designated position; and the zero start bit as described in figure 3.
And S003, the PLC 12 controls the first supporting plate 3 and the second supporting plate 4 to horizontally and coplanarly rise and be higher than the upper end surface of the top block 2.
In the above embodiment, preferably: the first supporting plate 3 and the second supporting plate 4 are driven to lift through a first air cylinder or hydraulic steel and a second air cylinder or hydraulic steel.
S004, the industrial robot grabs the turnout base plate 6 and puts the turnout base plate in the center positions of the first supporting plate 3 and the second supporting plate 4. Industrial robot connects the PLC controller to with the central point position coordinate input PLC controller of first layer board 3, second layer board 4, snatch the switch backing plate by PLC controller control industrial robot, and remove the switch backing plate to aforementioned coordinate. So as to ensure that the turnout base plate can be placed right above the first supporting plate 3 and the second supporting plate 4.
S005, the six detection devices 5 detect the turnout base plate 6 for the first time, and transmit detection data to the PLC 12.
In the above embodiment, further: the detection device 5 is a linear displacement sensor. The linear displacement sensor is provided with an automatic telescopic mechanism and is arranged at the telescopic tail end of the automatic telescopic mechanism. The automatic telescopic mechanism consists of a sleeve, a sleeve sliding rod and a spring. The sleeve is matched with a sleeve sliding rod in a sliding mode, a spring is coaxially arranged between the bottom end of the sleeve sliding rod and the inner side wall of the bottom end of the sleeve, and the top end of the sleeve sliding rod is fixedly connected with a linear displacement sensor. The detection device 5 is supported and installed by the automatic telescopic mechanism, so that the detection tail end of the sensor can be effectively protected, and the problem of collision and damage of the detection tail end is prevented. And the linear displacement sensor can realize the automatic rebound reset of the detection device 5 under the reset elasticity of the compression spring after the pressing block is lifted.
Specifically, the method comprises the following steps: the six detection devices 5 are respectively arranged in a left-right axial symmetry mode by taking the top block 2 as a symmetry axis; namely, the left side and the right side of the top block 2 are respectively provided with three detection devices. Of the three detection devices 5 on each side, one detection device 5 is disposed on the outer side of the first supporting plate 3 or the second supporting plate 4, and the other two detection devices are disposed on the inner side of the first supporting plate 3 or the second supporting plate 4.
S006, PLC controller 12 passes through briquetting horizontal migration device according to the testing result and adjusts the horizontal position of pushing down of briquetting, makes the briquetting translation move to six detection device 5 detection the maximum value just over switch backing plate 6, PLC controller 12 passes through briquetting system 13 that reciprocates and controls the descending stroke size of briquetting to with switch backing plate 6 contact with push down leveling switch backing plate, the descending in-process of briquetting, first layer board 3, second layer board 4 pressurized down, six detection device 5 change with the same speed earlier.
S007, the back of the turnout base plate 6 is in contact with the top block 2, the pressing block is continuously pressed down to level the turnout base plate 6, the change rate and the displacement of the six detection devices 5 are changed, and real-time detection data are transmitted to the PLC 12.
S008, the PLC 12 calculates the difference value between the maximum value and the minimum value of the displacement of the six detecting devices 5 in real time within a certain set detecting time range, when the difference calculated by the PLC 12 in real time is more than 1mm, the PLC 12 adjusts the moving press block to move horizontally to the position right above the turnout base plate 6 where the maximum difference detection device 5 is located through the press block horizontal moving device, the PLC 12 controls the press block to press down again according to the stroke through the press block up-down moving system 13, the press block press-down value again is increased by 0.2mm compared with the press-down value last time, after the press block press-down is finished again, the six detection devices 5 detect the planeness of the turnout base plate 6 again, if the difference value between the maximum value and the minimum value of the displacement of the six detection devices 5 is still larger than 1mm, the PLC 12 adjusts the pressing block to press down again until the difference value between the maximum value and the minimum value of the displacement detected by the six detection devices 5 is smaller than or equal to 1 mm.
The left and right pressing blocks 7 and 8 are adopted to press down, the first and second supporting plates 3 and 5 are matched with the central jacking block 2 to lift and press down the turnout base plate 6, the pressing down and the jacking are combined, and the left and right pressing blocks 7 and 8 which can translate left and right are used for performing micro-motion pressing correction adjustment on the protruding position of the turnout base plate 6, so that the leveling requirements of high precision and high efficiency are met.
S009, when the difference value of the detection results of the detection device 5 is smaller than or equal to 1mm, the turnout base plate 6 is proved to meet the process requirements, at the moment, the PLC 12 controls the pressing block to rise to stop the pressing operation, the first supporting plate 3 and the second supporting plate 4 ascend to lift the turnout base plate 6, so that the first supporting plate 3 and the second supporting plate 4 ascend to the highest position, and the top block 2 is separated from the turnout base plate 6; the six detection devices 5 are automatically reset and are ready for the next leveling operation of the fork tie plate.
And S010, finishing automatic detection and automatic leveling.
The invention also comprises a switch base plate post-welding automatic leveling online detection device used in the switch base plate post-welding automatic leveling online detection method, wherein the switch base plate post-welding automatic leveling online detection device comprises (as shown in figure 3) a base 1, and the base 1 is a horizontal base and provides a horizontal supporting surface for installation of a detection device 5, a top block 2, a first supporting plate 3 and a second supporting plate 4.
The vertical ejector block 2 is installed at the center of the upper end face of the base 1, and the ejector block 2 is installed at the center and used for flatly supporting and positioning the bottom end of the turnout base plate 6. The left side and the right side of the top block 2 are respectively provided with a first supporting plate 3 and a second supporting plate 4 which are axisymmetric and can be lifted. The first and second axisymmetric supporting plates 3 and 4 are used for positioning the bottom of the switch base plate of the flat-supported switch.
Six vertical upward detection devices 5 are arranged on the left side and the right side of the top block 2; the detection device 5 is used for detecting the flatness of the turnout base plate at multiple points. The number of the detection devices 5 is adaptively increased or decreased according to the size of the workpiece to be leveled. The detection device 5 can be an optical fiber sensor, a linear displacement sensor or a distance measuring sensor. Preferably a linear displacement sensor. The detection device 5 is arranged in a left-right axial symmetry mode by taking the top block 2 as a symmetry axis.
The invention adopts six detection devices 5 to detect the real-time linear position value of the turnout base plate, lays a data foundation for the implementation and application adjustment of an automatic device, determines the displacement difference value by the six detection devices 5, lays a data support foundation for accurate leveling, and is more time-saving, labor-saving and labor-saving in adjustment.
A briquetting device mounting seat 11 is arranged above the base 1; the top end of the briquetting device mounting seat 11 is fixedly connected with the bottom end execution tail end of the briquetting up-down moving system 13; the up-down moving system 13 drives the whole lifting adjustment of the press block device mounting seat 11.
In the above embodiment, further: the briquetting up-and-down moving system 13 comprises a vertically arranged hydraulic cylinder or air cylinder, and the execution tail end of a piston rod of the hydraulic cylinder or the air cylinder is fixedly connected with the top end of the briquetting device mounting seat 11 so as to drive the briquetting device mounting seat 11 to integrally lift and move.
And the briquetting device mounting seat 11 supports and mounts the left briquetting horizontal moving device 9 and the right briquetting horizontal moving device 10. The left pressing block horizontal moving device 9 and the right pressing block horizontal moving device 10 are adjusted in lifting displacement along with the pressing block device mounting base 11.
The left pressing block horizontal moving device 9 and the right pressing block horizontal moving device 10 respectively adjust the translation positions of the left pressing block 7 and the right pressing block 8 which face downwards vertically.
In the above embodiment, further: the left pressing block horizontal moving device 9 and the right pressing block horizontal moving device 10 (shown in fig. 4) respectively comprise a speed reducing motor 14, and the speed reducing motor 14 is connected with and drives a horizontal screw rod 15 to rotate.
When the speed reducing motor 14 is vertically installed as shown in fig. 4, the power output shaft of the speed reducing motor is provided with a right-angle transmission driving bevel gear, the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is coaxially installed at the shaft end of the horizontal screw rod 15, and the speed reducing motor 14 drives the horizontal screw rod 15 to rotate through right-angle transmission.
In addition to the above examples: the power output shaft of the speed reducing motor 14 can be coaxially and fixedly installed with the horizontal screw rod 15, and the power output shaft of the speed reducing motor 14 is coaxially and fixedly connected with the horizontal outer shaft end of the horizontal screw rod 15 through a coupling so as to drive the horizontal screw rod 15 to rotate through the speed reducing motor 14.
The left side and the right side of the horizontal screw rod 15 are respectively rotatably supported and installed through a bearing pedestal component, and the briquetting device mounting seat 11 is used as a support and is rotatably supported and installed at the bottom of the briquetting device mounting seat 11 through the bearing pedestal component.
The horizontal screw rod 15 is provided with a screw nut 16 in a screwing and matching manner, and the rotary horizontal screw rod 15 realizes the left-right horizontal displacement adjustment of the screw nut 16 screwed on the rotary horizontal screw rod.
In order to drive the pressing block to adjust the horizontal position of the pressing block through the screw rod nut 16: the screw rod nut 16 is connected with the top end of a pressing block which is vertically arranged through a bearing seat assembly 17, and the pressing block is driven by a speed reducing motor 14 to adjust the translation position of the pressing block relative to the horizontal screw rod 15; the pressing block consists of a left pressing block 7 and a right pressing block 8. Wherein, the coaxial suit bearing inner race in the lead screw nut 16 outside, bearing inner race fixed mounting is in the bearing frame, and the bearing frame links firmly as an organic whole with the briquetting top, realizes that the rotatable lead screw nut 16 of translation drives vertical briquetting and realizes the displacement control function about vertical briquetting.
To implement the control connection, as shown in fig. 2: the detection device 5 is connected with the input end of the PLC 12 to collect plane data information in real time. The PLC controller 12 has a detection device signal conversion processing device, which is an a/D converter for converting analog quantity and digital quantity. The PLC controller 12 calculates the difference of the detection means based on the data detected by the detection means. If the difference is larger than 1mm, the flatness is proved to be unqualified; the PLC controller 12 outputs a control command to control the press block to move right above the detection device with the maximum difference, and the method description is performed in a specific manner of leveling adjustment and leveling adjustment. If the difference is less than or equal to 1mm, the flatness is qualified, and the leveling is stopped.
The output end of the PLC 12 is connected with the lifting control ends of the first supporting plate 3 and the second supporting plate 4; the PLC 12 forms a control instruction according to the detection difference, and controls the lifting height of the first supporting plate 3 and the second supporting plate 4 through the control instruction.
The output end of the PLC 12 is connected with the control input ends of the left pressing block horizontal moving device 9 and the right pressing block horizontal moving device 10; the PLC 12 forms a control instruction according to the detection difference, and controls the left pressing block horizontal moving device 9 and the right pressing block horizontal moving device 10 to adjust the left and right translation positions of the left and right pressing blocks 7 and 8 through the control instruction.
The PLC 12 is interactively connected with a briquetting up-and-down moving system 13. The PLC 12 forms a control instruction according to the detection difference, and controls the stroke of the piston rod of the up-and-down moving system 13 to move up and down through the control instruction.
The horizontal moving devices of the left pressing block 7 and the right pressing block 8 are respectively driven by the speed reducing motor 14, and the screw pair of the screw rod nut realizes the accurate translation adjusting function of the left position and the right position of the left pressing block 7 and the right pressing block 8 through high-accuracy transmission, so that the requirements of high-accuracy adjustment and transmission are met, and the leveling is more accurate and reliable.
The working principle of the invention is as follows: the invention installs six detection devices capable of automatically extending and retracting on a base 1, and is provided with a pair of first and second lifting supporting plates 3 and 4, a turnout base plate 6 is placed on the lifting supporting plate, the detection device 5 initially detects the planeness value of the turnout base plate 6, the detection device 5 transmits data to a PLC controller 12, the PLC controller 12 calculates the planeness of the turnout base plate 6 according to the data of the detection device 5, an automatic leveling system of a press automatically levels according to the planeness, in the automatic leveling process of the turnout base plate, the detection device 5 transmits real-time change data to the PLC 12 to serve as a basis for action control of the PLC 12, the pressing leveling operation is stopped until the detection difference value of the detection device 5 is smaller than or equal to 1mm of the process requirement, the pressing block returns, the supporting plate rises and resets, the detection device 5 automatically resets, and automatic online leveling detection is completed.
In conclusion, the detection device 5 is adopted to detect the flatness value of the turnout base plate on line and transmit the flatness value to the PLC 12, and the PLC 12 controls the automatic leveling of the turnout base plate, so that the automatic operation of the device is realized. The leveling is accurate, labor-saving, time-saving, labor-saving and efficient.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The automatic leveling on-line detection method of the welded turnout base plate is characterized by comprising the following steps:
s001, calling a leveling process from the PLC (12);
s002, the PLC (12) controls the pressing block to move to the initial designated position;
s003, controlling the first supporting plate (3) and the second supporting plate (4) to horizontally lift in a coplanar manner and be higher than the upper end surface of the top block (2) by the PLC (12);
s004, an industrial robot grabs a turnout base plate (6) and places the turnout base plate in the center positions of a first supporting plate (3) and a second supporting plate (4);
s005, the six detection devices (5) perform primary detection on the turnout base plate (6) and transmit detection data to the PLC (12);
s006, a PLC (12) adjusts the horizontal pressing position of a pressing block through a pressing block horizontal moving device according to a detection result, so that the pressing block moves right above a turnout base plate (6) with the maximum value detected by six detection devices (5), the PLC (12) controls the pressing block to move downwards through a pressing block vertical moving system (13) and is in contact with the turnout base plate (6), a first supporting plate (3) and a second supporting plate (4) move downwards under pressure, and the six detection devices (5) change at the same speed;
s007, the back of the turnout base plate (6) is in contact with the ejector block (2), the pressing block continues to press down the turnout base plate (6), the change rate and the displacement of the six detection devices (5) are changed, and real-time detection data are transmitted to the PLC (12);
s008, a PLC (12) calculates the difference value between the maximum value and the minimum value of the displacement of the six detection devices (5), when the difference value is larger than 1mm, the PLC (12) adjusts and moves a pressing block to horizontally move to a position right above a turnout base plate (6) where the maximum difference detection device (5) is located through a pressing block horizontal moving device, the PLC (12) controls the pressing block to press down again through a pressing block up-down moving system (13), the pressing block pressing-down value is increased by 0.2mm compared with the last pressing-down value, after the pressing block pressing-down is finished again, the six detection devices (5) detect the turnout base plate (6) again, if the difference value between the maximum value and the minimum value of the displacement of the six detection devices (5) is still larger than 1mm, the PLC (12) adjusts the pressing block to press down again until the difference value between the maximum value and the minimum value of the displacement detected by the six detection devices (5) is smaller than or equal to 1 mm;
s009, the PLC (12) controls the pressing block to rise, the first supporting plate (3) and the second supporting plate (4) upwards support the turnout base plate (6), so that the first supporting plate (3) and the second supporting plate (4) rise to the highest positions, and the jacking block (2) is separated from the turnout base plate (6); the six detection devices (5) are automatically reset;
and S010, finishing automatic detection and automatic leveling.
2. The switch tie plate post-weld automatic leveling on-line detection device used by the switch tie plate post-weld automatic leveling on-line detection method according to claim 1, characterized in that: the device comprises a base (1), wherein a vertical top block (2) is arranged in the center of the upper end face of the base (1), and a first supporting plate (3) and a second supporting plate (4) which are axisymmetric and can be lifted are arranged on the left side and the right side of the top block (2) respectively; six detection devices (5) which are vertically upward are arranged on the left side and the right side of the top block (2); the detection device (5) is arranged in a left-right axial symmetry mode by taking the ejector block (2) as a symmetry axis; a briquetting device mounting seat (11) is arranged above the base (1); the top end of the briquetting device mounting seat (11) is fixedly connected with the bottom end execution tail end of the briquetting up-down moving system (13); the briquetting device mounting seat (11) supports and mounts the left briquetting horizontal moving device (9) and the right briquetting horizontal moving device (10); the left pressing block horizontal moving device (9) and the right pressing block horizontal moving device (10) respectively adjust the translation positions of a left pressing block (7) and a right pressing block (8) which face downwards vertically; the detection device (5) is connected with the input end of the PLC (12); the output end of the PLC (12) is connected with the lifting control ends of the first supporting plate (3) and the second supporting plate (4); the output end of the PLC (12) is connected with the control input ends of the left pressing block horizontal moving device (9) and the right pressing block horizontal moving device (10); the PLC (12) is interactively connected with the pressing block up-and-down moving system (13).
3. The switch base plate postweld automatic leveling on-line detection device of claim 2, characterized in that: the first supporting plate (3) and the second supporting plate (4) are driven to lift through a first air cylinder, a second air cylinder or hydraulic steel.
4. The switch base plate postweld automatic leveling on-line detection device of claim 2, characterized in that: the detection device (5) is a linear displacement sensor.
5. The switch base plate postweld automatic leveling on-line detection device of claim 2, characterized in that: the briquetting moves up and down system (13) comprises a vertically arranged hydraulic cylinder or air cylinder, and the execution tail end of a piston rod of the hydraulic cylinder or the air cylinder is fixedly connected with the top end of the briquetting device mounting seat (11) so as to drive the briquetting device mounting seat (11) to integrally lift and move.
6. The switch base plate postweld automatic leveling on-line detection device of claim 2, characterized in that: the left pressing block horizontal moving device (9) and the right pressing block horizontal moving device (10) respectively comprise a speed reducing motor (14), the speed reducing motor (14) is connected with and drives a horizontal screw rod (15) to rotate, a screw rod nut (16) is installed on the horizontal screw rod (15) in a screwing and matching mode, the screw rod nut (16) is connected with the top end of a pressing block which is vertically installed through a bearing seat assembly (17), and the pressing block drives and adjusts the translation position of the pressing block relative to the horizontal screw rod (15) through the speed reducing motor (14); the pressing block consists of a left pressing block (7) and a right pressing block (8).
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| CN202110835409.5A CN113389099B (en) | 2021-07-23 | 2021-07-23 | Automatic leveling online detection device and method for turnout base plate after welding |
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