CN111576104B - Method for automatically adjusting installation position of track slab - Google Patents
Method for automatically adjusting installation position of track slab Download PDFInfo
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- CN111576104B CN111576104B CN202010276048.0A CN202010276048A CN111576104B CN 111576104 B CN111576104 B CN 111576104B CN 202010276048 A CN202010276048 A CN 202010276048A CN 111576104 B CN111576104 B CN 111576104B
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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
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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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Abstract
The invention provides a method for automatically adjusting the installation position of a track slab, which comprises the following steps: s1, cushioning a fine tuning claw at the bottom of a track slab; s2, measuring the size deviation value of the track plate and transmitting the size deviation value to a controller; s3, automatically adjusting the height of the track slab according to the size deviation value; s4, measuring an included angle value between the actual rough paving position and the ideal mounting position of the track slab through an automatic angle measuring instrument; s5, selecting one of four corners of the track slab, which is closest to the mounted track slab, as a circle center, and adjusting the direction of the track slab in a rotating manner; s6, automatically adjusting the horizontal position of the track slab according to the size deviation value; s7, automatically adjusting the position of the track plate according to the size deviation value to enable the connection end of the track plate to be well connected with the installed track plate; the invention can solve the technical problem that the position of the track plate can be automatically adjusted to abut against the previously laid track plate to influence the installation efficiency.
Description
Technical Field
The invention relates to the technical field of railway track laying, in particular to a method for automatically adjusting the installation position of a track slab.
Background
At present, in the construction engineering of high-speed railways, the CRTS III type track slab has become a main roadbed of a newly-built high-speed railway. The CRTS III type track slab is a novel track slab which is independently researched and developed in China and integrates the advantages of Japanese and Germany slag-free track slabs, and the sizes of the CRTS III type track slab are P5600, P4925 and P4856, curve slabs designed according to lines and the like. When the track slab is laid, the precision requirement is very high, the precision requirement of up-down, left-right and front-back laying is less than or equal to 3mm, and the size and weight of the CRTS III track slab, taking P5600 as an example, is a prefabricated slab with the size of 2.5m multiplied by 5.6m, and the weight reaches about 10 tons, so that the installation position is difficult to adjust.
The method adopts the technical scheme that an adjuster is installed on a fine adjustment claw, and the fine adjustment claw is adjusted by driving the adjuster to rotate by controlling a motor through a control console according to the dimensional deviation value between the position of the track slab after rough laying and lofting and an ideal position, so that the installation position of the track slab is adjusted. However, in the above technical solution, the distance between the track slab after rough laying and lofting and the previously laid track slab is generally very close, usually less than 10mm, only by adjusting the size deviation value in the process of adjusting the position. This may occur during the adjustment: if the control console is not suitable for adjusting the size according to the input of the deviation amount, the track plate to be installed can abut against the previous track plate which is already laid and cannot move continuously, so that the track plate to be installed needs to be readjusted after being retreated from the original position by a small distance, and the efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for automatically adjusting the mounting position of a track plate, which aims to solve the technical problem that when the mounting position of the track plate is automatically adjusted, the track plate to be mounted can abut against a previously laid track plate, and the track plate to be mounted needs to be readjusted after being retreated from the original position by a small distance, so that the mounting efficiency is influenced.
The technical scheme adopted by the invention is that the method for automatically adjusting the mounting position of the track slab comprises the following steps:
s1, cushioning a fine tuning claw at the bottom of a track slab to be installed;
s2, obtaining a dimension deviation value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through measurement, and transmitting the dimension deviation value to a controller;
s3, automatically adjusting the height of the track slab to be installed through the fine adjustment claw by the controller according to the size deviation value, and keeping the track slab to be installed horizontal to the paved ground;
s4, measuring an included angle value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through an automatic angle measuring instrument, and transmitting the included angle value to a controller;
s5, selecting one of four corners of the track board to be installed, which is closest to the installed track board, as a circle center, and adjusting the direction of the track board to be installed in a rotating mode to enable the long edge of the track board to be installed to be parallel to the long edge of the installed track board;
s6, according to the size deviation value, the controller automatically adjusts the position of the track board to be installed through the fine adjustment claw, so that the long edge of the track board to be installed and the long edge of the installed track board are located on the same straight line;
and S7, according to the size deviation value, the controller automatically adjusts the position of the track plate to be installed through the fine adjustment claw, so that the joint end of the track plate to be installed is in butt joint with the installed track plate.
Furthermore, an adjusting screw is arranged on the fine adjustment claw; the adjusting screw is coaxially connected with one end of the screw rod; the other end of the screw rod is in driving connection with a motor; the controller is used for controlling the motor to rotate, and the motor is used for driving the adjusting screw to rotate through the screw rod.
Furthermore, the adjusting screws comprise an upper adjusting screw, a lower adjusting screw, a left adjusting screw, a right adjusting screw and a front adjusting screw; the size deviation values comprise size deviation values in the height direction, the front-back direction and the left-right direction;
the up-down adjusting screw is used for adjusting the size deviation amount in the height direction, the left-right adjusting screw is used for adjusting the size deviation amount in the left-right direction, and the front-back adjusting screw is used for adjusting the size deviation amount in the front-back direction.
Further, in step S3, the height of the track slab to be installed is automatically adjusted by the fine adjustment claw, i.e., the vertical adjustment screw is adjusted.
Further, in step S6, the position of the track board to be installed is automatically adjusted by the fine adjustment claw, and the left and right adjustment screws are adjusted.
Further, in step S7, the position of the track board to be installed is automatically adjusted by the fine adjustment claw, and the front and rear adjustment screws are adjusted.
Further, in step S2, the size deviation value is obtained through measurement, and the measuring device includes a total station.
Further, when the direction of the track slab to be installed is adjusted in a rotating manner in step S5, the automatic angle measuring instrument continuously measures the angle value of the included angle and transmits the measurement result to the controller in real time; and when the measurement result of the included angle value received by the controller is 0, controlling the motor to stop rotating.
Furthermore, when the controller automatically adjusts the position of the track slab to be installed through the fine adjustment claw, the fine adjustment claw is automatically reset to zero with adjustable stroke.
According to the technical scheme, the beneficial technical effects of the invention are as follows:
1. the angle value of an included angle between the actual rough paving position and the ideal mounting position of the track slab to be mounted is measured by using an automatic goniometer, and an angle which is closest to the mounted track slab in four corners of the track slab to be mounted is used as a circle center, so that the direction of the track slab to be mounted is rotationally adjusted, and the track slab to be mounted can be ensured not to abut against the adjacent mounted track slab in the process of automatically adjusting the position.
2. When the controller automatically adjusts the position of the track slab to be installed through the fine adjustment claw, the automatic zero setting of the adjustable stroke is firstly carried out on the fine adjustment claw, and the situation that the track slab cannot be adjusted to the actually required position due to the fact that the adjusting stroke of the fine adjustment claw is insufficient in the automatic adjustment process can be avoided.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a schematic view of the track slab to be installed in the invention when adjusting the angle.
Reference numerals:
the method comprises the following steps of 1-to-be-installed track slab, 2-installed track slab, 3-long edge of the track slab to be installed, 4-wide edge of the track slab to be installed, 5-one corner closest to the installed track slab in four corners of the track slab to be installed, 6-total station, 7-controller, 8-automatic goniometer and 9-fine tuning claw.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
As shown in fig. 1, the present invention provides a method for automatically adjusting a mounting position of a track slab, comprising the steps of:
s1, cushioning a fine tuning claw at the bottom of a track slab to be installed;
s2, obtaining a dimension deviation value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through measurement, and transmitting the dimension deviation value to a controller;
s3, automatically adjusting the height of the track slab to be installed through the fine adjustment claw by the controller according to the size deviation value, and keeping the track slab to be installed horizontal to the paved ground;
s4, measuring an included angle value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through an automatic angle measuring instrument, and transmitting the included angle value to a controller;
s5, selecting one of four corners of the track board to be installed, which is closest to the installed track board, as a circle center, and adjusting the direction of the track board to be installed in a rotating mode to enable the long edge of the track board to be installed to be parallel to the long edge of the installed track board;
s6, according to the size deviation value, the controller automatically adjusts the position of the track board to be installed through the fine adjustment claw, so that the long edge of the track board to be installed and the long edge of the installed track board are located on the same straight line;
and S7, according to the size deviation value, the controller automatically adjusts the position of the track plate to be installed through the fine adjustment claw, so that the joint end of the track plate to be installed is in butt joint with the installed track plate.
The working principle of example 1 is explained in detail below:
when laying a CRTS iii track slab, the following construction procedures are generally followed: checking and accepting the isolation layer and the elastic cushion layer → construction preparation → measurement paying-off → installation of self-compaction concrete layer steel bar net piece → coarse paving of the track slab → fine adjustment of the track slab → positioning and locking of the track slab → checking and accepting.
When the track slab is installed, firstly, a gantry crane is adopted to hoist the track slab to be installed, the track slab to be installed horizontally travels to the rough paving support, then the track slab is horizontally moved to the position to be installed, the gantry crane is operated to slowly put down the track slab to be installed according to the four side lines of the track slab popped out of the top surface of the geotextile, the track slab falls on the skid with the base placed, and the skid is generally provided with 4 blocks.
In the embodiment, the controller is mainly used for controlling the motor to rotate, and each positioning screw of the fine adjustment claw is driven to rotate through the lead screw, so that the track slab mounting position is automatically adjusted and accurately positioned. The method specifically comprises the following steps:
1. the fine tuning claw is padded at the bottom of the track slab to be installed, one end of the screw rod is coaxially connected with the adjusting screw of the fine tuning claw, and the other end of the screw rod is in driving connection with the motor
And (3) cushioning the fine adjusting claw at the position of 4 corners of the track slab to be installed. Generally, 1 skid is respectively arranged at the positions of 4 corners of the track board to be installed, the height of each skid is 90-100mm, so that the track board to be installed is cushioned, a certain gap is reserved at the bottom of the track board to be installed, and the fine tuning claws can be conveniently cushioned at the bottom of the track board to be installed from the positions of the 4 corners of the track board to be installed.
And then the screw rod is connected with an adjusting screw of the fine tuning claw. In this embodiment, a sleeving manner is adopted, and an inner hexagonal sleeve is arranged at one end of the screw rod, and the size of the inner hexagonal sleeve is matched with that of the adjusting screw, such as M10. Therefore, the screw rod and the adjusting screw are connected to form a whole, and the screw rod can drive the adjusting screw to rotate by rotation. The other end of the screw rod is connected with a motor, and when the motor rotates, the rotating power is transmitted to the screw rod, and the screw rod drives the adjusting screw to rotate.
In this embodiment, there are 3 adjusting screws of the fine adjustment claw, which are respectively an up-down adjusting screw, a left-right adjusting screw and a front-back adjusting screw, and each adjusting screw is connected with 1 screw rod. The front-rear direction of the track plate is parallel to the long side of the track plate of 5.6m, and the left-right direction of the track plate is parallel to the wide side of the track plate of 2.5 m. The up-and-down adjusting screw is used for adjusting the dimension deviation amount in the height direction of the track plate to be installed, the left-and-right adjusting screw is used for adjusting the dimension deviation amount in the left-and-right direction of the track plate to be installed, and the front-and-back adjusting screw is used for adjusting the dimension deviation amount in the front-and-back direction of the track plate to be installed. And after the fine tuning claws are well padded, taking out the skid.
In this embodiment, the motor is electrically connected with the controller, and the controller chooses the PLC mode for use, according to the needs of adjusting work, controls opening, stopping of motor.
2. Obtaining a dimension deviation value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through measurement, and transmitting the dimension deviation value to the controller
Firstly, a measuring frame and an observation prism are installed. In this embodiment, 6 measurement frames are adopted, and the measurement frames are installed and arranged on two sets of rail bearing tables at two ends of the rail board to be installed and fixed in bolt sleeves of the rail bearing tables. And then installing observation prisms at corresponding positions of each measuring frame.
And then erecting a total station. And erecting the total station near the center line of the track slab, and adjusting the position of the total station so that the station is established at the position when the total station can respectively aim at the plurality of observation prisms. In this embodiment, the total station needs to aim at least 6 observation prisms, respectively.
And then, aligning each observation prism by using a total station, obtaining the actual rough paving position of the track slab to be installed at present through measurement, obtaining the dimensional deviation values of the actual rough paving position and the ideal installation position in the height direction, the front-back direction and the left-right direction, and transmitting the measured dimensional deviation values to the controller. In this embodiment, in order to facilitate the wiring in the present construction, a wireless communication module is preferably used for data transmission.
3. The controller automatically adjusts the upper and lower adjusting screws of the fine adjusting claw according to the size deviation value in the height direction, so that the track plate to be installed and the paved ground are kept horizontal
And after the controller receives the size deviation value in the height direction, the controller controls the motor to start and rotate. The motor is connected with the screw rod, power is transmitted to the upper and lower adjusting screws through the screw rod, the upper and lower adjusting screws start to rotate, the to-be-installed track slab is further pushed to generate position adjustment in the height direction, and the adjusted size is a size deviation value in the height direction. The track slab to be installed and the paved ground are kept horizontal through automatic adjustment of the upper and lower adjusting screws of the 4 fine adjusting claws.
In this embodiment, the height adjustment is performed first, so as to avoid the influence of the inclination angle between the track slab to be installed and the ground to be paved during the subsequent angle adjustment.
4. Measuring the angle value of the included angle between the actual rough paving position and the ideal mounting position of the track slab to be mounted through an automatic angle measuring instrument, and transmitting the angle value of the included angle to a controller
And preferably, selecting the corner of the track board to be installed, which is closest to the installed track board, at any corner of the track board to be installed, measuring an included angle value between the actual position and the ideal position of the track board to be installed at the corner by using an automatic angle measuring instrument, and transmitting the included angle value to the controller. In this embodiment, in order to facilitate the wiring in the present construction, a wireless communication module is preferably used for data transmission.
5. Selecting one of four corners of the track board to be installed, which is closest to the installed track board, as a circle center, and adjusting the direction of the track board to be installed in a rotating manner to enable the long edge of the track board to be parallel to the long edge of the installed track board
As shown in fig. 2, one of the four corners of the track board to be installed, which is closest to the installed track board, is used as a center of a circle, and the controller controls the motor to rotate to adjust the left and right adjusting screws according to an angle value between an actual rough paving position and an ideal installation position of the track board to be installed, so as to adjust the direction of the track board to be installed in a rotating manner.
In this embodiment, the left and right adjusting screws of the fine adjustment claw are selected from the other angle of the long side where the one angle as the center of circle is located during rotation, so that the direction is adjusted. Because the center of the rotation is the angle closest to the installed track board in the four corners of the track board to be installed, the left and right adjusting screws initially rotate inwards to push the track board to be installed and enable the long edge direction of the track board to move towards the direction parallel to the track line. In the adjusting process, the automatic angle measuring instrument continuously measures the angle value of the included angle between the real-time actual position and the ideal position of the track slab to be installed in the moving process, and transmits the measuring result to the controller in real time. The communication connection between the automatic goniometer and the controller may be wireless or wired. When the controller receives that the measurement result of the included angle value is 0, the motor is controlled to stop rotating, and at the moment, the long edge of the track board to be installed is parallel to the long edge of the installed track board.
By the method, one of the four corners of the track board to be installed, which is closest to the installed track board, is used as the center of a circle, and the angle value of the included angle between the actual rough paving position and the ideal installation position of the track board to be installed is adjusted in a rotating mode, so that the track board to be installed cannot abut against the adjacent installed track board in the process of automatically adjusting the position.
6. The left and right adjusting screws of the fine adjusting claw are automatically adjusted through the controller according to the size deviation value in the left and right directions, so that the long edge of the track plate to be installed and the long edge of the installed track plate are positioned on the same straight line
Since the step 5 is only to adjust the angle direction of the track board to be installed, the dimension deviation amount of the track board to be installed and the ideal installation position in the left-right direction is not influenced. Therefore, the controller can automatically adjust the left and right adjusting screws of the 4 fine adjusting claws according to the size deviation value in the left and right directions measured in the step 2, so that the long edge of the track plate to be installed and the long edge of the installed track plate are positioned on the same straight line.
7. The controller automatically adjusts the front and back adjusting screws of the fine adjusting claws according to the size deviation value in the front and back direction, so that the joint end of the track plate to be installed is well butted with the installed track plate
And (3) according to the size deviation value in the front-back direction measured in the step (2), the controller automatically adjusts front-back adjusting screws of 4 fine adjusting claws so that the joint end of the track plate to be installed is well butted with the installed track plate.
In this embodiment, steps 2 to 7 are automatically adjusted by the controller.
Example 2
In the process of installing the track slab, after the fine tuning claw was used last time, the position of adjusting screw changed, and when the operator cushioned the used fine tuning claw in the next track slab bottom that needs the installation and lay, sometimes can neglect 3 kinds of adjusting screw on the fine tuning claw and carry out zero return of regulation stroke, will be about to withdraw from to the outside direction to the adjusting screw that screws up certain thread length to the inside direction. When the adjustment stroke of the adjustment screw is not zero, the adjustment screw is adjusted by the controller according to the measured dimensional deviation value when the track slab is automatically adjusted, but the track slab cannot be adjusted to an actually required position due to insufficient adjustment stroke. Therefore, the adjusting screw of the fine adjustment claw needs to be rotated again, and the installation and laying efficiency of the track slab is affected.
In order to solve the technical problem, the automatic zero setting device is further optimized on the basis of the embodiment 1, and the adjustable stroke of the adjusting screw of the fine adjustment claw is automatically set to zero.
When the height, the left-right direction and the front-back direction dimensional deviation of the track slab are automatically adjusted, the controller automatically resets the corresponding up-down, left-right and front-back adjusting screws needing to be adjusted to zero in the process of adjusting the stroke before the adjustment. Specifically, the controller will withdraw the adjusting screw to the outside for a certain length of the thread teeth until the adjusting screw cannot be withdrawn continuously, which indicates that the adjustable stroke of the adjusting screw has been reset to zero. And then the controller readjusts the adjusting screw according to the size offset to change the position of the track slab to be installed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A method for automatically adjusting the installation position of a track slab is characterized by comprising the following steps:
s1, cushioning a fine tuning claw at the bottom of a track slab to be installed; the fine adjustment claw is provided with an adjusting screw; the adjusting screw is coaxially connected with one end of the screw rod; the other end of the screw rod is in driving connection with a motor; the rotation of the motor is controlled by the controller, and the motor is used for driving the adjusting screw to rotate through the screw rod;
s2, obtaining a dimension deviation value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through measurement, and transmitting the dimension deviation value to a controller;
s3, according to the size deviation value, the controller automatically adjusts the height of the track slab to be installed through the fine adjustment claw, so that the track slab to be installed and the paved ground are kept horizontal;
s4, measuring an included angle value between the actual rough paving position and the ideal mounting position of the track slab to be mounted through an automatic angle measuring instrument, and transmitting the included angle value to a controller;
s5, selecting one of four corners of the track board to be installed, which is closest to the installed track board, as a circle center, adjusting the direction of the track board to be installed in a rotating mode, continuously measuring the included angle value through an automatic angle measuring instrument, and transmitting the measurement result to a controller in real time; when the controller receives that the measurement result of the included angle value is 0, the controller controls the motor to stop rotating, so that the long edge of the track slab to be installed is parallel to the long edge of the installed track slab;
s6, according to the size deviation value, the controller automatically adjusts the position of the track board to be installed through the fine adjustment claw, so that the long edge of the track board to be installed and the long edge of the installed track board are located on the same straight line;
and S7, according to the size deviation value, the controller automatically adjusts the position of the track plate to be installed through the fine adjustment claw, so that the joint end of the track plate to be installed is well butted with the installed track plate.
2. The method of automatically adjusting a mounting position of a track plate according to claim 1, wherein: the adjusting screws comprise an upper adjusting screw, a lower adjusting screw, a left adjusting screw, a right adjusting screw and a front adjusting screw; the size deviation values comprise size deviation values in the height direction, the front-back direction and the left-right direction;
the up-down adjusting screw is used for adjusting the dimension deviation amount in the height direction, the left-right adjusting screw is used for adjusting the dimension deviation amount in the left-right direction, and the front-back adjusting screw is used for adjusting the dimension deviation amount in the front-back direction.
3. The method of automatically adjusting a mounting position of a track plate according to claim 2, wherein: in step S3, the height of the track slab to be installed is automatically adjusted by the fine adjustment claw, i.e., the vertical adjustment screw is adjusted.
4. The method of automatically adjusting a mounting position of a track plate according to claim 2, wherein: in step S6, the position of the track slab to be installed is automatically adjusted by the fine adjustment claw, i.e., the left and right adjustment screws are adjusted.
5. The method of automatically adjusting a mounting position of a track plate according to claim 2, wherein: in step S7, the position of the track slab to be installed is automatically adjusted by the fine adjustment claw, i.e., the front and rear adjustment screws are adjusted.
6. The method of automatically adjusting a mounting position of a track plate according to claim 1, wherein:
in step S2, the size deviation value is obtained through measurement, and the measurement device includes a total station.
7. The method of automatically adjusting a mounting position of a track plate according to claim 1, wherein: when the controller automatically adjusts the position of the track slab to be installed through the fine adjustment claw, the fine adjustment claw is automatically reset to zero with adjustable stroke.
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| CN202010276048.0A CN111576104B (en) | 2020-04-09 | 2020-04-09 | Method for automatically adjusting installation position of track slab |
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| CN202010276048.0A CN111576104B (en) | 2020-04-09 | 2020-04-09 | Method for automatically adjusting installation position of track slab |
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| CN205329440U (en) * | 2015-11-13 | 2016-06-22 | 中铁十一局集团第四工程有限公司 | Ballastless track board three -dimensional regulator |
| WO2017121044A1 (en) * | 2016-01-11 | 2017-07-20 | 北京城建设计发展集团股份有限公司 | Precast slab railway track structural system for vibration mitigation and associated construction method |
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2020
- 2020-04-09 CN CN202010276048.0A patent/CN111576104B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| DE19780040D2 (en) * | 1996-01-26 | 1998-10-29 | Weiss Gmbh & Co Leonhard | Process and device for the production of a ballast-free and track-less railway track |
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| Publication number | Publication date |
|---|---|
| CN111576104A (en) | 2020-08-25 |
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