CN115595837B - Tool for reducing intelligent fine adjustment error of track slab and adjustment method - Google Patents
Tool for reducing intelligent fine adjustment error of track slab and adjustment method Download PDFInfo
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- CN115595837B CN115595837B CN202211621013.1A CN202211621013A CN115595837B CN 115595837 B CN115595837 B CN 115595837B CN 202211621013 A CN202211621013 A CN 202211621013A CN 115595837 B CN115595837 B CN 115595837B
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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
- 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
Abstract
The invention belongs to the technical field of high-speed railway plate-type ballastless track plate fine adjustment construction, and particularly relates to a tool and an adjusting method for reducing intelligent fine adjustment errors of a track plate; the tool comprises a fine tuning truss, a first feedback support and a second feedback support, wherein the first feedback support and the second feedback support are used for being installed on the track plate, the first feedback support is provided with two feedback planes, the first feedback plane is parallel to the top surface of the track plate, the second feedback plane is parallel to the long side wall of the track plate, and the second feedback support is provided with a third feedback plane which is parallel to the short side wall of the track plate; the fine adjustment truss comprises a frame, a transverse sensor, a longitudinal sensor and an elevation sensor, the frame straddles on the track plate, and the transverse sensor, the longitudinal sensor and the elevation sensor are connected with a sliding support on the frame; the working procedures are reduced, repeated alignment and inspection of operators are avoided, and the error rate of personnel investment and placement positions is reduced; the fine tuning operation efficiency and the fine tuning precision are improved, and the fine tuning process time is shortened.
Description
Technical Field
The invention belongs to the technical field of high-speed railway plate type ballastless track plate fine tuning construction, and particularly relates to a tool and an adjusting method for reducing intelligent fine tuning errors of a track plate.
Background
The fine adjustment construction of the plate-type ballastless track is one of the methods mainly adopted for the construction of track engineering of a newly-built high-speed railway, the CRTS III plate-type ballastless track mainly has three specifications of P5600, P4925 and P4856, the width is 2500mm, the thickness is 200mm, the thickness of a self-compacting concrete layer is 90mm, the participation of track plate laying process personnel is frequent in the whole construction process, the working time is limited, the construction labor intensity is high, meanwhile, the equipment does not have an intelligent informatization function, and the development of mechanical and intelligent laying equipment of the ballastless track is urgently needed. According to the thinking of 'mechanized people changing, automatic people reducing and informatization people replacing', the mechanized, informatization and automatic research of the ballastless track fine adjustment process is developed, the novel track slab mechanized intelligent laying construction equipment and the related technology are researched and developed, and the aims of reducing the labor intensity, reducing the number of people used and improving the coarse laying and fine adjustment construction efficiency are achieved. In the long term development, the popularization and application of railway mechanization and intelligent laying are inevitable trends for realizing railway construction equipment modernization, and are one of key technologies for railway construction in the future.
At present, a sensor is generally adopted for carrying out numerical value feedback (as shown in an attached drawing 1) in the intelligent fine adjustment of a plate-type ballastless track plate of a high-speed railway, and an elevation sensor 1 is positioned at the top of the track plate and used for measuring the distance from the sensor to the top of the track plate; the transverse sensor 2 is positioned outside the long side wall of the track slab and used for measuring the distance from the sensor to the long side wall of the track slab; the longitudinal sensor 3 is positioned on the outer side of the side wall of the short side of the track slab and used for measuring the distance from the sensor to the side wall of the short side of the track slab, and the specific installation steps are as follows: assembling sensors and brackets → arranging (4) brackets of elevation sensors → arranging (4) brackets of transverse sensors → arranging (1) brackets of longitudinal sensors → adjusting the optimal distance between the sensors and the track slab → debugging whether the sensors are effectively connected with a fine adjustment system → performing fine adjustment operation; namely, placing a sensor bracket, then placing, fixing and debugging corresponding elevation, transverse and longitudinal sensors according to corresponding motor numbers, repeating the steps, and carrying out fine adjustment operation on the plate-type ballastless track plates plate by plate; the method has the following problems: 1. the sensor supports are more, and need to be manually placed one by one; 2. the sensor supports are required to correspond to the positions of the motors one by one, the sensors are more in number, and whether the corresponding numbers are consistent with the positions of the motors needs to be checked when the sensors are placed every time, so that the time is consumed, and errors are prone to occurring; 3. the sensor placing positions are all arranged on the base plate at the periphery of the track plate and the track plates at two ends, so that sundries are more, and the collision is easy to occur when fine adjustment operators move, and the fine adjustment operation efficiency is influenced; 4. the laser of the sensor is irradiated on the four corners and the end parts of the track slab, and the surface of the track slab has concave and convex objects or fine pitted surfaces and bubbles, so that the feedback precision of the tail end of the sensor is influenced; 5. the space body position formed by the sensor placing position and the measured data of the track plate fine adjustment frame and the analysis center distance of a mathematical model are far away, and during fine adjustment operation, the laser irradiation oblique angle of the sensor is out of limit due to the fact that the track plate moves, deviates and rotates, and the error value is large, so that the feedback precision of the sensor is influenced. In the prior art, a notice number (CN 111472217A) provides an automatic intelligent fine adjustment construction device for a CRTSIII plate type creeping-free track plate, which comprises a fine adjuster and an adjusting frame for adjusting the three-dimensional coordinate of the fine adjuster, wherein when the automatic intelligent fine adjustment construction device is installed, the longitudinal length of the fine adjustment device is set according to the type of the track plate needing fine adjustment. The device is movable, and field operation personnel directly push the device to the positions of two sides of the track slab to be finely adjusted, so that the numerical value fed back by the fine adjuster is the distance from the two sides of the track slab to the fine adjuster, and although the fixing mode of the fine adjuster is changed, the problems that when the track slab moves, deviates and rotates, the feedback error of the sensor is increased and the like exist.
Therefore, a tool and an adjusting method for reducing the intelligent fine tuning error of the track slab need to be researched to solve the problems that the feedback error of a sensor (a fine tuning device) is increased and the like due to the moving deviation and the rotation of the track slab in the intelligent fine tuning process of the track slab, so that the purposes of reducing the number of times of the track fine tuning and improving the efficiency of the track fine tuning are achieved.
Disclosure of Invention
The invention aims to solve the problems that the feedback error of a sensor (a fine adjuster) is increased and the like due to the movement deviation and rotation of a track slab in the fine adjustment process of the track slab.
The invention provides a tool for reducing intelligent fine tuning errors of a track slab, which comprises a fine tuning truss, a first feedback support and a second feedback support, wherein the first feedback support and the second feedback support are used for being installed on the track slab;
the fine adjustment truss comprises a frame, a transverse sensor, a longitudinal sensor and an elevation sensor, the frame is spanned on a track plate, the transverse sensor, the longitudinal sensor and the elevation sensor are connected with a sliding support on the frame, the elevation sensor and a center target of a first feedback plane are aligned by moving the corresponding sliding support, the transverse sensor and a center target of a second feedback plane are aligned, and the longitudinal sensor and a center target of a third feedback plane are aligned.
Further, first feedback support includes door type support and base, the bottom surface of base is equipped with two splint that are parallel to each other, threaded connection is to the fastening screw that another splint fed on one of them splint, can be with the base locking on the fine tuning frame of track board through splint and fastening screw, be equipped with the breach of dodging the stand of fine tuning frame on the base, door type support cover is outside the prism of fine tuning frame, both ends and base are fixed continuous, the top surface of door type support is as first feedback plane, the side is as second feedback plane, use the prism as the benchmark, centering about the door type support.
Further, the second feedback support comprises a bottom plate and a vertical plate perpendicular to the bottom plate, a plurality of positioning nails aligned with the observation holes of the track plate one by one are arranged on the bottom surface of the bottom plate, the bottom plate is limited on the track plate through the matching of the positioning nails and the observation holes, the vertical plate is fixedly connected with the bottom plate, the plate surface of the vertical plate serves as a third feedback plane, and the center of the center target is aligned with the central line of the track plate.
Furthermore, the frame is formed by combining upright columns at four corners and a beam body between the upright columns into a frame body, and a wheel which directionally rolls along the length direction of the track plate is arranged at the column bottom of each upright column;
the frame body takes the length direction of the track plate as the length and takes the width direction of the track plate as the width, a first-stage guide rail with the length in the same direction is arranged on the frame body, and at least three sliding supports are arranged along the length direction of the frame body and comprise two first sliding supports and one second sliding support; the transverse sensor and the elevation sensor are installed on the first sliding support, and the longitudinal sensor is installed on the second sliding support.
Further, first support that slides includes the body frame body, the subframe body, the body frame body includes the pole setting, the cross arm, the one-level sliding seat, the top and the one-level sliding seat of pole setting link to each other, assembly one-level sliding seat slidable is on the one-level guide rail, the cross arm level sets up and links to each other with the bottom of pole setting, elevation sensor is respectively installed at the both ends of cross arm, be equipped with the second grade guide rail rather than parallel on the cross arm, the subframe body includes jib and second grade sliding seat, assembly second grade sliding seat slidable is on the second grade guide rail, the jib links to each other with the second grade sliding seat and extends to the track board, horizontal sensor installs the end at the jib.
Furthermore, the second sliding support comprises a sliding seat and a supporting rod, the sliding seat is slidably assembled on the first-level guide rail, the supporting rod is connected with the sliding seat and extends towards the rail plate, and the longitudinal sensor is installed at the tail end of the supporting rod.
Furthermore, the one-level sliding seat is sleeved on the one-level guide rail, a locking pin is in threaded connection with the one-level sliding seat, the end of the locking pin tightly abuts against the one-level guide rail to lock the one-level sliding seat when the locking pin is screwed in, and the end of the locking pin is separated from the one-level guide rail to release locking when the locking pin is screwed out.
The invention also provides an adjusting method for reducing the track slab fine tuning error, which adopts the tool for reducing the track slab intelligent fine tuning error and the following construction steps:
s1, placing a second feedback bracket: placing a second feedback bracket on the track slab to enable the feedback numerical point to be on the central line of the track slab;
s2, mounting a first feedback bracket: placing four first feedback supports at four corners of a second feedback support respectively, and fixing the first feedback supports on a fine adjustment standard frame by using a base;
s3, finely adjusting the truss in position: moving the fine adjustment truss to a specified position; aligning the elevation sensor with the center target of the first feedback plane, aligning the transverse sensor with the center target of the second feedback plane, and aligning the longitudinal sensor with the center target of the third feedback plane by moving the corresponding sliding support;
and S4, finishing the fine adjustment operation of the track slab by using the total station and a matched fine adjustment system.
Compared with the prior art, the invention has the advantages that:
1. the track slab intelligent fine adjustment tool aims at the problems that a traditional track slab fine adjustment sensor is placed at four corners of a track slab, meanwhile, a sensor feedback end acts on the top surface of the track slab, a long side surface and a short side surface, and feedback data errors and the like are caused by the fact that the track slab deviates, rotates and fine pitted surfaces and bubbles exist on the surface of the track slab.
2. The longitudinal sensor feedback center support can be directly placed on the track plate, the longitudinal sensor feedback center support is prevented from shaking on the track plate through the cooperation of the positioning nails at the bottom of the bottom plate and the observation holes in the track plate, and the longitudinal sensor feedback center support is convenient to mount and dismount and can be repeatedly used.
3. The longitudinal sensor feedback center support is placed on the central axis of the track slab, so that a feedback numerical point is on the central axis of the track slab, and feedback data errors caused by factors such as offset and rotation of the track slab are reduced.
4. Elevation, horizontal dual-purpose sensor feedback door type support adopts the door type design, and the top surface is used for the elevation sensing feedback, and the side is used for the accurate numerical value feedback of lateral shifting, has effectively improved the feedback precision, has avoided the workman not to correspond with the motor when putting simultaneously, adjusts the error phenomenon, has reduced the workman and has put the process of sensor support, with the accurate adjustment frame put in step can, improve the accurate adjustment operating efficiency.
Drawings
Fig. 1 is a schematic position diagram of a traditional fine adjustment sensor for a slab ballastless track slab.
Fig. 2 is a schematic diagram of deviation generated by feedback of a traditional plate-type ballastless track plate fine adjustment sensor.
Fig. 3 is a top view of the tool for reducing the intelligent fine tuning error of the track slab.
Fig. 4 is a left side view of the tool for reducing the intelligent fine tuning error of the track slab.
Fig. 5 is a front view of the tool for reducing the intelligent fine tuning error of the track slab.
Fig. 6 is a front view of a first feedback carriage.
Fig. 7 is a side view of a first feedback carriage.
Fig. 8 is a schematic structural view of the base.
Fig. 9 is a side view of a second feedback bracket.
Fig. 10 is a front view of a second feedback carriage.
In the figure: 1-an elevation sensor; 2-a lateral sensor; 3-a longitudinal sensor; 4-a track slab; 5-pouring a bottom plate; 6-a first feedback mount; 6.1 — first feedback plane; 6.2-second feedback plane; 6.3-door type bracket; 6.4-base; 6.5-splint; 6.6-fastening screws; 7-a second feedback mount; 7.1-third feedback plane; 7.2-a bottom plate; 7.3-vertical plate; 7.4-positioning nails; 8-a frame; 8.1-column; 8.2-beam body; 8.3-vehicle wheel; 9-fine adjustment of the standard frame; 10-a primary guide rail; 11-a first slipping support; 11.1-vertical rod; 11.2-Cross arm; 11.3-first-stage sliding seat; 11.4-hanger rod; 11.5-secondary slide seat; 12-a second slipping support; 12.1-sliding seat; 12.2-support bar; 13-locking pin.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Example 1
As shown in fig. 3 to 10: a tool for reducing intelligent fine adjustment errors of a track slab comprises a fine adjustment truss, a first feedback support 6 and a second feedback support 7, wherein the first feedback support 6 and the second feedback support 7 are used for being installed on the track slab, the first feedback support 6 is provided with two feedback planes, the first feedback plane 6.1 is parallel to the top surface of the track slab, the first feedback plane 6.1 is used as an elevation sensor feedback plane, the second feedback plane 6.2 is parallel to the long side wall of the track slab, the second feedback plane 6.2 is used as a transverse sensor feedback plane, the second feedback support 7 is provided with a third feedback plane 7.1 which is parallel to the short side wall of the track slab, the third feedback plane 7.1 is used as a longitudinal sensor feedback plane, and a central target is arranged on the first feedback plane 6.1, the second feedback plane 6.2 and the third feedback plane 7.1;
as shown in fig. 3, 4, and 5: the fine adjustment truss comprises a frame 8, a transverse sensor 2, a longitudinal sensor 3 and an elevation sensor 1, wherein the frame 8 straddles a track plate, the transverse sensor 2, the longitudinal sensor 3 and the elevation sensor 1 are connected with a sliding support on the frame 8, the elevation sensor 1 and a center target of a first feedback plane 6.1 are aligned by moving the corresponding sliding support, the transverse sensor 2 and a center target of a second feedback plane 6.2 are aligned, and the longitudinal sensor 3 and a center target of a third feedback plane 7.1 are aligned.
As shown in fig. 6, 7, and 8: the first feedback support 6 comprises a door-shaped support 6.3 and a base 6.4, two clamping plates 6.5 which are parallel to each other are arranged on the bottom surface of the base 6.4, the clamping plates 6.5 are perpendicular to the bottom surface of the base 6.4, a fastening screw 6.6 which is fed to the other clamping plate 6.5 is in threaded connection with one clamping plate 6.5, at least two fastening screws 6.6 are arranged, the base 6.4 can be locked on a fine adjustment mark frame 9 of the track plate through the clamping plates 6.5 and the fastening screws 6.6, a notch which avoids a stand column of the fine adjustment mark frame 9 is arranged on the base 6.4, the door-shaped support 6.3 covers the prism of the fine adjustment mark frame 9, two ends of the door-shaped support are fixedly connected with the base 6.4, the top surface of the door-shaped support 6.3 serves as a first feedback plane 6.1, the side surface of the door-shaped support serves as a second feedback plane 6.2, and the door-shaped support 6.3 is centered left and right by taking the prism as a reference.
As shown in fig. 9 and 10: the second feedback support 7 comprises a bottom plate 7.2 and a vertical plate 7.3 perpendicular to the bottom plate, the bottom surface of the bottom plate 7.2 is provided with a plurality of positioning nails 7.4 aligned with the observation holes of the track plate one by one, specifically, the number of the positioning nails 7.4 is four, the positioning nails are arranged in a rectangular array, the bottom plate 7.2 is limited on the track plate by the cooperation of the positioning nails 7.4 and the observation holes, the vertical plate 7.3 is fixedly connected with the bottom plate 7.2, the plate surface of the vertical plate 7.3 serves as a third feedback plane 7.1, and the center of the center target is aligned with the central line of the track plate.
The frame 8 is a frame body formed by combining upright columns 8.1 at four corners and a beam body 8.2 between the upright columns 8.1, and the bottom of each upright column 8.1 is provided with a wheel 8.3 which directionally rolls along the length direction of the track plate; the carriage 8 is movable only in the rail direction.
As shown in fig. 3 and 5: the frame body takes the length direction of the track slab as the length and takes the width direction of the track slab as the width, a first-stage guide rail 10 which has the same direction with the length of the frame body is arranged on the frame body, the first-stage guide rail 10 is a square pipe and is connected between the front beam body and the rear beam body 8.2, at least three sliding supports are arranged along the length direction of the frame body and comprise two first sliding supports 11 and one second sliding support 12, the second sliding support 12 is centered, and the front sliding support and the rear sliding support are respectively provided with one first sliding support 11; the transverse sensor 2 and the elevation sensor 1 are arranged on a first sliding support 11, and the longitudinal sensor 3 is arranged on a second sliding support 12.
As shown in fig. 4: first support 11 that slides includes the body frame body, the subframe body, the body frame body includes pole setting 11.1, cross arm 11.2, one-level sliding seat 11.3, the top of pole setting 11.1 links to each other with one-level sliding seat 11.3, one-level sliding seat 11.3 is the square sleeve that slightly is greater than one-level guide rail 10, one-level sliding seat 11.3 slidable ground assembles on one-level guide rail 10, threaded connection has a locking pin 13 on the one-level sliding seat 11.3, the end tightly supports one-level guide rail 10 locking one-level sliding seat 11.3 when locking pin 13 precession, the end separates with one-level guide rail 10 and removes the locking when locking pin 13 unscrews. The horizontal setting of cross arm 11.2 links to each other with the bottom of pole setting 11.1, an elevation sensor 1 is respectively installed at cross arm 11.2's both ends, be equipped with the second grade guide rail rather than parallel on cross arm 11.2, cross arm 11.2 is a square pipe, a certain section of cross arm 11.2 body is regarded as the second grade guide rail, the subframe body includes jib 11.4 and second grade sliding seat 11.5, second grade sliding seat 11.5 slidable assembly is on the second grade guide rail, second grade sliding seat 11.5 is also a square sleeve, threaded connection has a locking pin on the second grade sliding seat 11.5, the end is tightly supported cross arm 11.2 locking second grade sliding seat 11.5 when the locking pin is screwed in, the end is separated with cross arm 11.2 and is relieved the locking when the locking pin is unscrewed, jib 11.4 links to extend to the track board with second grade sliding seat 11.5, horizontal sensor 2 installs the end at jib 11.4.
The second support 12 that slides includes sliding seat 12.1 and bracing piece 12.2, sliding seat 12.1 slidable ground assembles on one-level guide rail 10, sliding seat 12.1 also is a square sleeve, threaded connection has a locking pin on sliding seat 12.1, the end tightly supports one-level guide rail 10 locking sliding seat 12.1 when the locking pin precession, the end removes the locking with one-level guide rail 10 separation when the locking pin back-out, bracing piece 12.2 links to each other with sliding seat 12.1 and extends to the track board, longitudinal sensor 3 installs the end at bracing piece 12.2.
Example 2
An adjusting method for reducing track slab fine tuning errors comprises the following steps of adopting the tool for reducing the track slab intelligent fine tuning errors in embodiment 1:
s1, placing a second feedback support 7 (longitudinal sensor feedback center support): a second feedback support 7 is placed on the track slab, and the second feedback support 7 is prevented from shaking on the track slab through the matching of a positioning nail 7.4 at the bottom of a bottom plate 7.2 and an observation hole on the track slab, so that a feedback numerical value point is on the central line of the track slab, and feedback data errors caused by factors such as offset and rotation of the track slab are reduced;
s2, a first feedback bracket 6 (an elevation and transverse dual-purpose sensor feedback door type bracket) is installed: the four first feedback brackets 6 are respectively placed at four corners of a second feedback bracket 7, the first feedback brackets 6 are fixed on a fine adjustment frame 9 by utilizing a base 6.4, so that the relative position fed back by a sensor and the measuring center distance of the fine adjustment frame are compressed to be minimum, and the feedback error of the sensor is reduced;
s3, finely adjusting the truss in position: moving the fine adjustment truss to a specified position;
s4 adjusting the position of the longitudinal sensor 3: the sliding seat 12.1 slides along the track direction to adjust the position of the second sliding support 12, after the position is adjusted to a preset position, a locking pin on the sliding seat 12.1 is screwed down to realize the fixation of the second sliding support 12, and meanwhile, the laser induction of the longitudinal sensor 3 is aligned with the center target of the third feedback plane 7.1, so that the measuring distance is ensured to be within the induction range of the sensor;
s5, adjusting the positions of the elevation sensor 1 and the transverse sensor 3: after the first sliding support 11 is adjusted to a preset position by sliding the first-stage sliding seat 11.3 along the track direction, the locking pin on the first-stage sliding seat 11.3 is screwed down to fix the first sliding support 11; simultaneously, aligning the laser induction of the elevation sensor 1 with the center target of the first feedback plane 6.1 to ensure that the measurement distance is in the sensor induction range; the position of the suspender 11.4 is adjusted by sliding the secondary sliding seat 11.5 on the cross arm 11.2, after the position is adjusted to a set position, the suspender 11.4 is fixed by screwing the locking pin on the secondary sliding seat 11.5, and meanwhile, the laser induction of the transverse sensor 2 is aligned with the central target of the second feedback plane 6.2, so that the measuring distance is ensured to be within the sensor induction range.
And S6, finishing the fine adjustment operation of the track slab by using the total station and a matched fine adjustment system.
The implementation case is as follows:
newly building the starting-destination mileage of a CRTS III plate type ballastless track in a high-speed railway JLZQTJ-4 standard secondary work area from A city to B city: DK67+181-DK76+261.95, the total length (double lines) of 9.091 kilometers, the design speed per hour of 350km/h, 3246 CRTS III type plate ballastless track plates in a pipe section, wherein P4856 type plate 116 blocks, P4925 type track plate 172 blocks and P5600 type track plate 2958 blocks; the straight line length in the pipe section is 2.792km, and the curve length is 6.3km; the CRTS III slab ballastless track comprises a steel rail, an elastic fastener, a track slab, a self-compacting concrete layer, an isolation layer, a base and the like. The CRTS III type ballastless track adopts a unit block type structure without connection between plates, the steel rail is 60 rails, and the distance between fasteners between adjacent track plates is not more than 650mm. The width of the bridge and tunnel section base is 2900mm, the thickness is 200mm, and the structure height is 742mm; the base width of the roadbed/bridge tunnel section is 3100/2900mm, the thickness is 300/200mm, and the structure height is 842mm; the curve superelevation is arranged on the base plate. The track slab mainly has three specifications of P5600, P4925 and P4856, and is 2500mm wide and 200mm thick, and the thickness of the self-compacting concrete layer is 90mm.
The track slab intelligent fine adjustment device aims at solving the problems that a traditional track slab fine adjustment sensor is placed at four corners of a track slab, meanwhile, a sensor feedback end acts on the top surface, the long side surface and the short side surface of the track slab, feedback data errors and the like are caused by factors such as track slab deviation, rotation and the existence of fine pitted surfaces and bubbles on the surface of the track slab, and researches and applies a tool for reducing the track slab intelligent fine adjustment errors of a longitudinal sensor feedback door-shaped support and a longitudinal sensor feedback center support.
During construction, the traditional fine adjustment sensor data feedback method and the tool and the adjusting method for reducing the intelligent fine adjustment error of the track slab are adopted to respectively carry out the track slab off-line manufacturability test, and the following conclusion is obtained:
1. adjustment of straight line segment (test condition: different adjustment amount and different adjustment direction of front end and back end of track slab)
1) Data feedback method adopting traditional fine adjustment sensor
In the adjustment process, because the track slab fine adjustment sensors are placed at four corners of the track slab, and meanwhile, feedback ends of the sensors are arranged on the top surface, the side surface of the long side and the side surface of the short side of the track slab, and the distance from the center of the prism or the central axis of the track slab is long, the average X (transverse) feedback error is controlled to be about 0.6-1.3 mm and exceeds a standard adjustment value (0.5 mm); when the Y (longitudinal) is finely adjusted, the feedback error is 0.2 mm-0.6 mm, and the maximum error exceeds the standard adjustment value (0.5 mm); when Z (elevation) is finely adjusted, the feedback error is 0.2 mm-0.3 mm, and the requirement (5 mm of straight line segment) is met; because the errors of the X axis and the Y axis exceed the standard, the errors can be gradually reduced only by adjusting 3 cycles on average, and the errors reach the adjustment design standard, and the time is about 15 min.
Tool for reducing intelligent fine adjustment error of track slab and adjustment method
Adopting a cyclic adjustment mode of elevation → transverse → longitudinal → elevation, wherein in the adjustment process, when adjusting X (transverse), the feedback error is 0.2 mm-0.4 mm, which meets the requirement (0.5 mm); when Y (longitudinal) is adjusted, the feedback error is 0.1 mm-0.3 mm, which meets the requirement (0.5 mm); when Z (elevation) is finely adjusted, the feedback error is 0.1 mm-0.2 mm, and the requirement (5 mm of straight line segment) is met; after adjustment, the adjustment error can reach the standard requirement, and the track slab can reach the design adjustment standard by adjusting 1 cycle on average, and the time is about 5 min.
2. Curve segment adjustment (test condition: different adjustment quantity and different adjustment direction of the front end and the rear end of the track slab)
1) Data feedback method adopting traditional fine adjustment sensor
In the adjustment process, because the track slab intelligent fine adjustment sensors are placed at four corners of the track slab, and meanwhile, feedback ends of the sensors are arranged on the top surface, the side surface of the long side and the side surface of the short side of the track slab, and the distance from the center of the prism or the central axis of the track slab is long, the average X (transverse) feedback error is controlled to be about 0.7-1.5 mm and exceeds a standard adjustment value (0.5 mm); when the Y (longitudinal) is finely adjusted, the feedback error is 0.4 mm-1 mm, and the maximum error exceeds the standard adjustment value (0.5 mm); when Z (elevation) is finely adjusted, the feedback error is 0.2 mm-0.5 mm, and the requirement (2 mm of curve section) is met; due to the fact that errors of an X axis and a Y axis are serious in standard exceeding, the errors can be gradually reduced only by adjusting 5 cycles on average, the design standard of adjustment is achieved, and the time is about 25 min.
The invention discloses a tool for reducing intelligent fine adjustment errors of a track slab and an adjustment method
Adopting a cyclic adjustment mode of elevation → transverse → longitudinal → elevation → transverse → elevation, wherein in the adjustment process, when adjusting X (transverse), the feedback error is 0.2 mm-0.4 mm, which meets the requirement (0.5 mm); when adjusting Y (longitudinally), the feedback error is 0.1 mm-0.3 mm, which meets the requirement (0.5 mm); when Z (elevation) is finely adjusted, the feedback error is 0.1 mm-0.3 mm, and the requirement (2 mm of curve section) is met; after adjustment, the adjustment error can reach the standard requirement, the track slab can reach the design adjustment standard by adjusting 1 cycle on average, and the time is about 8 min.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a reduce frock of track board intelligence fine tuning error which characterized in that: the track plate center adjusting device comprises a fine adjusting truss, a first feedback support (6) and a second feedback support (7), wherein the first feedback support (6) and the second feedback support (7) are used for being installed on a track plate, the first feedback support (6) is provided with two feedback planes, the first feedback plane (6.1) is parallel to the top surface of the track plate, the second feedback plane (6.2) is parallel to the long side wall of the track plate, the second feedback support (7) is provided with a third feedback plane (7.1) parallel to the short side wall of the track plate, and a center target is arranged on the first feedback plane (6.1), the second feedback plane (6.2) and the third feedback plane (7.1);
the fine adjustment truss comprises a frame (8), a transverse sensor (2), a longitudinal sensor (3) and an elevation sensor (1), the frame (8) straddles a track plate, the transverse sensor (2), the longitudinal sensor (3) and the elevation sensor (1) are connected with a sliding support on the frame (8), the elevation sensor (1) and a center target of a first feedback plane (6.1) are aligned by moving the corresponding sliding support, the transverse sensor (2) and a center target of a second feedback plane (6.2) are aligned, and the longitudinal sensor (3) and a center target of a third feedback plane (7.1) are aligned;
the first feedback support (6) comprises a door-shaped support (6.3) and a base (6.4), two clamping plates (6.5) which are parallel to each other are arranged on the bottom surface of the base (6.4), a fastening screw (6.6) which is fed to the other clamping plate (6.5) is in threaded connection with one clamping plate (6.5), the base (6.4) can be locked on a fine adjustment frame (9) of the track plate through the clamping plates (6.5) and the fastening screw (6.6), a notch which avoids a stand column of the fine adjustment frame (9) is arranged on the base (6.4), the door-shaped support (6.3) covers the prism of the fine adjustment frame (9), two ends of the door-shaped support are fixedly connected with the base (6.4), the top surface of the door-shaped support (6.3) serves as a first feedback plane (6.1), the side surface of the door-shaped support serves as a second feedback plane (6.2), the prism serves as a reference, and the left side and the right side of the door-shaped support (6.3);
second feedback support (7) include bottom plate (7.2) and with bottom plate vertically riser (7.3), the bottom surface of bottom plate (7.2) is equipped with location nail (7.4) of several and the observation hole one-to-one alignment of track board, location nail (7.4) and observation hole cooperation limit bottom plate (7.2) on the track board, riser (7.3) link to each other with bottom plate (7.2) are fixed, the face of riser (7.3) is as third feedback plane (7.1), the center of center mark target aligns with track board central line.
2. The tool for reducing the intelligent fine adjustment error of the track slab as claimed in claim 1, wherein the tool comprises: the frame (8) is a frame body formed by combining upright columns (8.1) at four corners and a beam body (8.2) between the upright columns (8.1), and a wheel (8.3) which directionally rolls along the length direction of the track plate is arranged at the column bottom of each upright column (8.1);
the frame body takes the length direction of the track slab as the length and the width direction of the track slab as the width, a primary guide rail (10) with the length in the same direction is arranged on the frame body, and at least three sliding supports are arranged along the length direction of the frame body and comprise two first sliding supports (11) and one second sliding support (12); the transverse sensor (2) and the elevation sensor (1) are installed on the first sliding support (11), and the longitudinal sensor (3) is installed on the second sliding support (12).
3. The tool for reducing the intelligent fine adjustment error of the track slab as claimed in claim 2, wherein the tool comprises: first support (11) that slides include the body frame, the subframe body, the body frame includes pole setting (11.1), cross arm (11.2), one-level sliding seat (11.3), the top and one-level sliding seat (11.3) of pole setting (11.1) link to each other, one-level sliding seat (11.3) slidable ground assembles on one-level guide rail (10), cross arm (11.2) level setting links to each other with the bottom of pole setting (11.1), elevation sensor (1) is respectively installed at the both ends of cross arm (11.2), be equipped with the second grade guide rail parallel with it on cross arm (11.2), the subframe body includes jib (11.4) and second grade sliding seat (11.5), assembly on the second grade guide rail slidable ground, jib (11.4) link to each other with second grade sliding seat (11.5) and extend to the track board, horizontal sensor (2) are installed at the end of jib (11.4).
4. The tool for reducing the intelligent fine adjustment error of the track slab as claimed in claim 3, wherein the tool comprises: the second sliding support (12) comprises a sliding seat (12.1) and a supporting rod (12.2), the sliding seat (12.1) is assembled on the primary guide rail (10) in a sliding mode, the supporting rod (12.2) is connected with the sliding seat (12.1) and extends towards the rail plate, and the longitudinal sensor (3) is installed at the tail end of the supporting rod (12.2).
5. The tool for reducing the intelligent fine adjustment error of the track slab as claimed in claim 4, wherein the tool comprises: one-level sliding seat (11.3) suit cover on one-level guide rail (10), threaded connection has a locking pin (13) on one-level sliding seat (11.3), end tightly supports one-level guide rail (10) locking one-level sliding seat (11.3) when locking pin (13) precession, end and one-level guide rail (10) separation are relieved the locking when locking pin (13) screw-out.
6. An adjusting method for reducing fine adjustment errors of a track slab is characterized in that: the tool for reducing the intelligent fine adjustment error of the track slab, which is disclosed by claim 1, is adopted, and the following construction steps are carried out:
s1, placing a second feedback bracket (7): placing a second feedback bracket (7) on the track slab to enable the feedback value point to be on the central line of the track slab;
s2, installing a first feedback bracket (6): the four first feedback supports (6) are respectively placed at four corners of a second feedback support (7), and the first feedback supports (6) are fixed on a fine adjustment frame (9) by utilizing bases (6.4);
s3, finely adjusting the truss in position: moving the fine adjustment truss to a specified position; aligning the elevation sensor (1) with a center target of a first feedback plane (6.1), aligning the transverse sensor (2) with a center target of a second feedback plane (6.2), and aligning the longitudinal sensor (3) with a center target of a third feedback plane (7.1) by moving a corresponding sliding support;
and S4, finishing the fine adjustment operation of the track slab by using the total station and a matched fine adjustment system.
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| CN202211621013.1A CN115595837B (en) | 2022-12-16 | 2022-12-16 | Tool for reducing intelligent fine adjustment error of track slab and adjustment method |
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| CN115595837A (en) | 2023-01-13 |
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