CN111733644A - Precise adjustment method for Forskow 300-1 type fastener of high-speed railway - Google Patents
Precise adjustment method for Forskow 300-1 type fastener of high-speed railway Download PDFInfo
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- CN111733644A CN111733644A CN202010647513.7A CN202010647513A CN111733644A CN 111733644 A CN111733644 A CN 111733644A CN 202010647513 A CN202010647513 A CN 202010647513A CN 111733644 A CN111733644 A CN 111733644A
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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
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
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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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Abstract
The invention provides a precision adjustment method for a Forskow 300-1 type fastener of a high-speed railway, which relates to the technical field of replacement or maintenance and repair of structural components under a ballastless track of the high-speed railway, and comprises the following steps: step 1, measuring a measuring construction section by an absolute measuring method or a relative measuring method, collecting geometric dimension data of a track, and calculating track adjustment deviation according to the collected data to form a track fine adjustment data scheme; step 2, performing fastener state investigation on an operation section before operation, marking the combination of the existing insulating blocks and the gauge baffles on the track plate and the corresponding positions of the rail bearing platforms on the inner sides of the steel rails by using a marking pen, and the like; the invention refines and perfects the overall steps of track adjustment, provides a set of complete operation method, has clear process construction steps, strong practicability and economic cost, and can effectively improve the efficiency and benefit of the construction process in the aspect of fine adjustment of the operation or newly-built high-speed railway track.
Description
Technical Field
The invention relates to the technical field of replacement or maintenance and repair of structural components under a ballastless track of a high-speed railway, in particular to a precision adjustment method for a Forskow 300-1 type fastener of the high-speed railway.
Background
The steel rail is one of important parts of the railway track, and plays a role in guiding wheels and transferring load. For a ballastless track of a high-speed railway, the requirements on the smoothness of a tread and an inner working edge of a wheel track of a steel rail are much higher than those of a common railway. In order to ensure the stable running of the train, the foundation at the lower part of the line, the upper structure of the track and all parts of the track need to provide good conditions for the normal work of the steel rail. The inherent quality, material properties, section tolerance, straightness etc. of the rail are all very important characteristics. The steel rail has to ensure enough strength, toughness, wear resistance, stability and smoothness under technical conditions, ensure reasonable overhaul period economically and reduce maintenance workload.
The fastener system is an indispensable component of the track, and plays an important role in ensuring the stability and reliability of the track. The high-speed railway ballastless track fastener not only plays a role in transferring load and keeping the gauge, but also has a plurality of special functions.
The forsro 300-1 type fastener is a ballastless track fastener system developed for adapting to ballastless tracks with retaining shoulders and meeting the technical requirements of a high-speed railway fastener system, and the fastener system consists of a spiral spike, a flat washer, an elastic strip, an insulating block, a gauge baffle, a lower rail base plate, an iron base plate, a lower iron base plate elastic base plate and a pre-embedded sleeve positioned on a concrete sleeper or a track plate. The height of the steel rail is adjusted by adopting an elevation adjusting base plate (an elevation adjusting base plate under a split rail and an elevation adjusting base plate under an iron base plate).
The line maintenance and repair technology is an important component of a high-speed railway technical system, and aims to guide the maintenance and repair of the ballastless track line of the high-speed railway in China, meet the requirements of high reliability, high stability and high smoothness of the line and maintain the durability of the ballastless track,
the basic task of the line maintenance work is to keep the state of the line equipment intact, ensure the train to run safely, stably, comfortably and uninterruptedly at the specified speed, and prolong the service life of the equipment as much as possible
In order to make maintenance management of ballastless track line equipment, improve the maintenance technical level, ensure high reliability, high stability and high smoothness of a line and keep the durability of the ballastless track, experience needs to be actively summarized and data is accumulated, so that the development of track precision adjustment technology and the optimization of a construction process are imperative.
The adjusting process of the high-speed railway Fosruo 300-1 type fastener in the prior art also has the problems of low construction process efficiency, uneven distribution of manual functions or working force, unsmooth project development process, high cost input and no efficiency, so further optimization is urgently needed.
Disclosure of Invention
The invention aims to provide a precision adjusting method for a high-speed railway Fosfullo 300-1 type fastener, and aims to solve the problems that the efficiency of a construction process is low, the distribution of manual functions or working force is uneven, the development flow of a project is not smooth, and the cost investment is not high in the adjusting process of the high-speed railway Fosfullo 300-1 type fastener in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the precision adjusting method of the high-speed railway Fosrow 300-1 type fastener comprises the following steps:
step 1, measuring a measuring construction section by an absolute measuring method or a relative measuring method, collecting geometric dimension data of a track, and calculating track adjustment deviation according to the collected data to form a track fine adjustment data scheme;
step 2, performing fastener state investigation on the operation section before operation, and marking the combination of the existing insulating block and the gauge baffle on the track plate and the corresponding position of a rail bearing platform on the inner side of the steel rail by using a marking pen (such as a crayon);
step 3, 1, loosening the bolts (controlling the loosening distance of the track slab) by using a screw machine, and adding an elevation adjusting set after loosening;
step 4, 1 person is responsible for lifting the track, 1 person is responsible for shoveling the rubber pad under the rail by a shovel blade and performing pad drawing operation according to material combination, and the insulating block is taken down when the insulating block needs to be replaced in plane adjustment;
step 5, the 1 st person is responsible for coating oil on the bolt and screwing the bolt to reduce the height of the bolt, so that the bolt is convenient to fasten by a screw machine;
step 6, 1 person resets and rights the bolt, the elastic strip and the newly replaced insulating block so as to be convenient for fastening by an M36 screw machine, and 1 person replaces the gauge block or the gauge baffle;
step 7, after the operation of the reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck and mark on the position where the reference strand is not in place;
step 8, after the operation of the reference strand is finished by 2 or 3 plates, the elevation and the plane of the non-reference strand are operated, and the bolts are fastened and synchronously pushed with the reference strand at a certain distance;
step 9, after the operation of the non-reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck and marking on the position where the non-reference strand is not in place;
step 10, 1, the positions of the reference strand and the non-reference strand are checked back and corrected by a person according to the operation direction, and the gauge block is replaced according to the marked value to be corrected;
step 11, after the operation of the reference strand and the non-reference strand is finished, a rechecking responsible person utilizes a rail check instrument to recheck, and meanwhile, the operation responsible person checks and records the fastener system;
and step 12, rechecking and treating the parts which do not reach the standard, checking tools, materials and personnel, and performing secondary return inspection on the next time by the operation responsible personnel and the customs clearance personnel.
According to the further technical scheme, in the step 1, the geometric dimension data of the track comprises track gauge, levelness, track direction, height value, torsion degree, midline deviation and elevation deviation.
According to the further technical scheme, in the step 2, the fastener state investigation of the operation section comprises the steps of investigating the combination of the existing cushion quantity, the insulating block and the gauge baffle (mainly determining the adjustment allowance of the plane of the Fosrow 300-1 type fastener), the existence of an empty hanging plate and a light plate, the existence of grout turnover and recording the investigation condition into a table.
According to a further technical scheme, the step 2 is followed by a step 2-1, the step 2-1 comprises the steps that two persons mark and recheck the operation scheme before operation, the on-site adjustment amount (the plane and elevation adjustment amount is accurate to 0.1mm) is marked on the bottom of an inner side rail of the steel rail by using a marking pen (such as a crayon), each time of data of a track gauge for measuring the track distance and the track level needs to be marked on the inner side rail plate of the steel rail by using a marking pen (such as a stone pen used at ordinary times and a crayon used in rainy days), the position of the data is overlapped with the position of the previous day or the next day, and sequential connection is carried out according to the requirement of two rail bearing platforms of 0.5 mm.
According to a further technical scheme, the step 2-1 is followed by a step 2-2, the step 2-2 is that tools, materials and personnel are checked at an operation passage, the workers are placed on the track after a command is issued, the workers firstly confirm the identity, the mileage and the track plate number after the work is placed on the track, the workers can work after the work is confirmed to be correct, the data of the track inspection instrument is analyzed and formulated into an operation scheme, and three parts (one part in a calibration group, one part in a matched group and one part with a worker) are printed as the basis of field operation.
According to a further technical scheme, the step 2-2 is followed by a step 2-3, wherein in the step 2-3, materials are distributed (3 persons for a material worker), 2 flat cars are needed, 1 person is responsible for pushing and distributing the height adjusting materials, and 2 persons are responsible for distributing the insulating blocks (paying attention to the combination and the inner side and the outer side of the insulating blocks).
According to the further technical scheme, in the step 5, the bolt can be manually screwed by hand or screwed by a lithium electric wrench.
According to the further technical scheme, in the step 9, the correction value of the non-reference strand mark is the correction value of the non-reference strand after the reference strand is assumed to be corrected to the position.
According to a further technical scheme, in the step 10, if two steel rails of the same sleeper need to be corrected, the reference strand is corrected to the position firstly and then the non-reference strand is corrected according to a correction value marked by measuring a track gauge.
According to a further technical scheme, in the step 11, the track detector is a 0-level track detector.
The invention has the beneficial effects that:
1. the invention refines and perfects the overall steps of track adjustment, provides a set of complete operation method, has clear construction steps, strong practicability and economic cost, and can effectively improve the efficiency and benefit of the construction process in the aspect of fine adjustment of the operation or newly-built high-speed railway track;
2. all workers respectively perform their duties, the flow is clear, the assembly line barrier-free operation can be realized, the process is simple and clear, and the engineering construction organization is convenient;
3. by optimizing the minutiae in the construction process, the operation of the construction process can be accelerated, and the working time of fixed workload is shortened; during the construction period of the operating line, the operating time in the skylight time point can be effectively ensured to be rich, and the smooth opening and operation of the line can be ensured; the engineering line can complete more workload within a fixed time period;
4. the dynamic and flexible application of the posts of the field constructors is realized by adjusting the working posts of the constructors, the labor utilization rate of the constructors can be increased, and power guarantee is provided for the smooth operation of the construction process;
5. the method has clear process flow, is convenient for field construction management, and can effectively finish the task of fine adjustment construction of the ballastless track in a fixed time period or with fixed workload according to specific workload.
Drawings
FIG. 1 is a flow chart of an embodiment of a method for fine adjustment of a Forskow high speed railway 300-1 type fastener.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in figure 1, the precision adjustment method for the Forskow 300-1 type fastener of the high-speed railway comprises the following steps:
step 1, measuring a measuring construction section by an absolute measuring method or a relative measuring method, acquiring geometric dimension data of a track, wherein the geometric dimension data of the track comprises track gauge, levelness, track direction, height values, torsion degree, centerline deviation, elevation deviation and the like, and calculating track adjustment deviation according to the acquired data to form a track fine adjustment data scheme;
step 2, performing fastener state investigation on the operation section before operation, wherein the fastener state investigation on the operation section comprises investigating existing cushion quantity, insulating blocks and gauge baffle combinations (mainly determining the adjustment allowance of a Fossilo 300-1 type fastener plane), whether an empty hanging plate and a light plate exist or not, whether grout is turned over or not, recording investigation conditions into a table, and marking the existing insulating blocks and gauge baffle combinations on the track plate and at corresponding positions of a rail bearing table on the inner side of the steel rail by using a marking pen (such as a crayon);
step 2-1, marking and rechecking the operation scheme by two persons before operation, marking on-site adjustment amount (the plane and elevation adjustment amount is accurate to 0.1mm) on the bottom of an inner side rail of the steel rail by using a marking pen (such as a crayon), marking on an inner side rail plate of the steel rail by using a marking pen (such as a crayon used at ordinary times and a crayon used in rainy days) when the track gauge measures the track gauge and the horizontal data each time, overlapping the position with the previous day or the next day, and performing sequential connection according to the requirements of two track bearing platforms of 0.5mm during marking;
step 2-2, checking the tools, materials and personnel at the operation passage, after a command is issued, getting on the track, firstly confirming the identity, mileage and track plate number after getting on the track, confirming that the operation can be carried out after no mistake is found, analyzing the data of the track inspection instrument to make an operation scheme, and printing three parts (one part of a calibration group, one part of a verifier in a matched group and one part of a person with a shift) as the basis of field operation;
step 2-3, dispensing materials (3 persons as materials), 2 flatbeds are needed, 1 person is responsible for pushing and dispensing height adjustment materials, and 2 persons are responsible for dispensing insulating blocks (paying attention to the combination and the inner side and the outer side of the insulating blocks);
step 3, 1, loosening the bolts (controlling the loosening distance of the track slab) by using a screw machine, and adding an elevation adjusting set after loosening;
step 4, 1 person is responsible for lifting the track, 1 person is responsible for shoveling the rubber pad under the rail by a shovel blade and performing pad drawing operation according to material combination, and the insulating block is taken down when the insulating block needs to be replaced in plane adjustment;
step 5, the 1 st person is responsible for coating oil on the bolt, and screwing the bolt to reduce the height of the bolt, and the bolt can be manually screwed by hand or screwed by a lithium electric wrench, so that the bolt is conveniently fastened by a screw machine;
step 6, 1 person resets and rights the bolt, the elastic strip and the newly replaced insulating block so as to be convenient for fastening by an M36 screw machine, and 1 person replaces the gauge block or the gauge baffle;
step 7, after the operation of the reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck and mark on the position where the reference strand is not in place;
step 8, after the operation of the reference strand is finished by 2 or 3 plates, the elevation and the plane of the non-reference strand are operated, and the bolts are fastened and synchronously pushed with the reference strand at a certain distance;
step 9, after the operation of the non-reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck marking on the position where the non-reference strand is not in place, wherein the correction value of the non-reference strand marking is the correction value of the non-reference strand after the reference strand is supposed to be corrected to the place;
step 10, 1, a person rechecks and corrects the positions of the reference strand and the non-reference strand according to the operation direction, replaces a gauge block according to a marked value to correct, if two steel rails of the same sleeper need to be corrected, measures a marked correction value according to a track scale, corrects the reference strand to the position, and then corrects the non-reference strand;
step 11, after the operation of the reference strand and the non-reference strand is finished, a rechecking responsible person utilizes a 0-level rail inspection instrument to carry out rechecking, and meanwhile, the operation responsible person inspects the fastener system and makes a record;
and step 12, rechecking and treating the parts which do not reach the standard, checking tools, materials and personnel, and performing secondary return inspection on the next time by the operation responsible personnel and the customs clearance personnel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A precision adjusting method for a Forskow 300-1 type fastener of a high-speed railway is characterized by comprising the following steps:
step 1, measuring a measuring construction section by an absolute measuring method or a relative measuring method, collecting geometric dimension data of a track, and calculating track adjustment deviation according to the collected data to form a track fine adjustment data scheme;
step 2, performing fastener state investigation on an operation section before operation, and marking the combination of the existing insulating block and the gauge baffle on the track plate and the corresponding position of a rail bearing platform on the inner side of the steel rail by using a marking pen;
step 3, 1, loosening the bolt by a screw machine, and adding an elevation adjusting group after loosening;
step 4, 1 person is responsible for lifting the track, 1 person is responsible for shoveling the rubber pad under the rail by a shovel blade and performing pad drawing operation according to material combination, and the insulating block is taken down when the insulating block needs to be replaced in plane adjustment;
step 5, the 1 st person is responsible for coating oil on the bolt and screwing the bolt to reduce the height of the bolt;
step 6, 1 person resets and rights the bolt, the elastic strip and the newly replaced insulating block, and 1 person replaces the gauge block or the gauge baffle;
step 7, after the operation of the reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck and mark on the position where the reference strand is not in place;
step 8, after the operation of the reference strand is finished by 2 or 3 plates, the elevation and the plane of the non-reference strand are operated, and the bolts are fastened and synchronously pushed with the reference strand at a certain distance;
step 9, after the operation of the non-reference strand, 1 person carries out gauge and horizontal measurement, marks the gauge and the horizontal measurement on the track slab, and simultaneously carries out recheck and marking on the position where the non-reference strand is not in place;
step 10, 1, the positions of the reference strand and the non-reference strand are checked back and corrected by a person according to the operation direction, and the gauge block is replaced according to the marked value to be corrected;
step 11, after the operation of the reference strand and the non-reference strand is finished, a rechecking responsible person utilizes a rail check instrument to recheck, and meanwhile, the operation responsible person checks the fastener system;
and step 12, rechecking and treating the parts which do not reach the standard, checking tools, materials and personnel, and performing secondary return inspection on the next time by the operation responsible personnel and the customs clearance personnel.
2. The method of fine tuning a foster-type fastener-300-1 for a high-speed railway according to claim 1 wherein, in step 1, the track geometry data comprises track gauge, levelness, track orientation, height, twist, centerline deviation and elevation deviation.
3. The method of claim 1, wherein the step 2 of performing a fastener condition survey on the work section includes surveying the presence or absence of any combination of pad, insulation block, gauge fence, hanger plate, light plate, and grout turnover.
4. The method for precisely adjusting the Fosfielo 300-1 type fastener of the high-speed railway according to any one of claims 1 to 3, wherein the step 2 is followed by a step 2-1, the step 2-1 is that two persons mark and recheck the operation scheme before the operation, the field adjustment amount is marked on the bottom of the inner side rail of the steel rail by a marking pen, each time data of the gauge for measuring the gauge and the level needs to be marked on the inner side rail plate of the steel rail by the marking pen, and the position of the gauge is overlapped with the previous day or the next day, and the marking is carried out according to the requirement of two rail bearing platforms of 0.5 mm.
5. The method for precisely adjusting the foster-ro 300-1 type fastener of the high-speed railway according to the claim 4, wherein the step 2-1 is followed by the step 2-2, the step 2-2 is that the tools, materials and personnel are checked at the working passage, the identification, mileage and track plate number are confirmed firstly after the work, the operation is carried out after the error is confirmed, the operation scheme made by analyzing the data of the track inspection tester is used, and three parts are printed as the basis of the field operation.
6. The method of fine adjustment of a forslo type 300-1 fastener for high speed railways according to claim 5, wherein the step 2-2 is followed by the step 2-3, wherein the step 2-3 of dispensing the material requires 2 flatbeds, 1 person is responsible for pushing and dispensing the height adjustment material, and 2 persons are responsible for dispensing the insulation blocks.
7. The method for fine adjustment of a forsro 300-1 type fastener for a high speed railway according to any one of claims 1 to 3, wherein in step 5, the bolts are manually screwed by hand or screwed by using a lithium electric wrench.
8. A method of fine adjustment of a foster-ro 300-1 type fastener according to any of the claims 1-3 wherein in step 9 the non-reference strand markings are modified to assume the modified value of the reference strand after it has been modified to the correct position.
9. A method of fine adjustment of a forsro 300-1 type fastener for high speed railways according to any one of claims 1 to 3, characterized in that in step 10, if both rails of the same sleeper need to be modified, the reference strand is modified to the right position and then the non-reference strand is modified according to the modification values marked by the gauge measurement.
10. The method for precisely adjusting the type 300-1 fastener of the high-speed railway fossory as claimed in any one of claims 1 to 3, wherein in the step 11, the rail detector is a grade 0 rail detector.
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| CN202010647513.7A CN111733644A (en) | 2020-07-07 | 2020-07-07 | Precise adjustment method for Forskow 300-1 type fastener of high-speed railway |
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| CN202010647513.7A CN111733644A (en) | 2020-07-07 | 2020-07-07 | Precise adjustment method for Forskow 300-1 type fastener of high-speed railway |
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| CN112813745A (en) * | 2021-01-04 | 2021-05-18 | 中铁四局集团有限公司 | Intelligent track laying method and intelligent track laying equipment |
| CN113326637A (en) * | 2021-08-03 | 2021-08-31 | 北京交通大学 | Ballastless track fine adjustment optimization method based on double-track combined constraint |
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Application publication date: 20201002 |