CN111733647A - Precise adjustment method for WJ-8 type fastener of ballastless track of high-speed railway - Google Patents
Precise adjustment method for WJ-8 type fastener of ballastless track of high-speed railway Download PDFInfo
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- CN111733647A CN111733647A CN202010648459.8A CN202010648459A CN111733647A CN 111733647 A CN111733647 A CN 111733647A CN 202010648459 A CN202010648459 A CN 202010648459A CN 111733647 A CN111733647 A CN 111733647A
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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
- 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 precise adjustment method for a WJ-8 type fastener of a ballastless track of a high-speed railway, which relates to the technical field of replacement or maintenance and repair of structural components below the track of the ballastless track of the high-speed railway, and comprises the following steps: the method comprises the following steps that firstly, a dynamic railway track inspection tester collects geometric dimension data of a track, and calculates track adjustment deviation according to the collected data to form a track fine adjustment data scheme; acquiring basic data by using a track inspection instrument relative to measuring equipment, performing track gauge and horizontal measurement by using a calibrated track scale to serve as first track scale measuring data, and marking the first track scale measuring data at a uniform position of a track slab sleeper; 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 method for precisely adjusting a WJ-8 type fastener of the ballastless track 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 WJ-8 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-buried 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, aims to guide the maintenance and repair of the ballastless track line of the high-speed railway in China, meets the requirements of high reliability, high stability and high smoothness of the line, keeps the durability of the ballastless track, and has the basic task of maintaining the line in a complete state, ensuring the safe, stable, comfortable and uninterrupted operation of a train at a specified speed and prolonging 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 method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway 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 and high cost input.
Disclosure of Invention
The invention aims to provide a precise adjustment method for a WJ-8 type fastener of a ballastless track of a high-speed railway, and aims to solve the problems that the precise adjustment method for the WJ-8 type fastener of the ballastless track of the high-speed railway in the prior art is low in construction process efficiency, uneven in manual function or working force distribution, not smooth in engineering development process and high in cost investment.
In order to achieve the purpose, the invention adopts the following technical scheme: the method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway comprises the following steps of:
the method comprises the following steps that firstly, a dynamic railway track inspection tester collects geometric dimension data of a track, and calculates track adjustment deviation according to the collected data to form a track fine adjustment data scheme;
acquiring basic data by using a track inspection instrument relative to measuring equipment, performing track gauge and horizontal measurement by using a calibrated track scale to serve as first track scale measuring data, and marking the first track scale measuring data at a uniform position of a track slab sleeper;
step three, adjusting the rail height adjusting base plate or the iron base plate height adjusting base plate of the reference strand according to a field marking scheme;
fourthly, performing plane adjustment on the reference strand by utilizing the model and the size of the configured gauge block;
step five, measuring and rechecking the second pass of the track scale, and rechecking the track scale and correcting the position of the reference strand which is not adjusted in place;
sixthly, adjusting the elevation and the plane of the non-reference strand after the reference strand is adjusted in place;
step seven, measuring and rechecking the track scale for the third time, and rechecking the track scale and correcting the position of the non-reference strand which is not adjusted in place;
and step eight, performing recheck by using the rail inspection instrument relative to the measuring equipment, confirming the opening condition, making a correction scheme for the sleeper which does not meet the smoothness requirement, and marking, adjusting, rechecking and correcting again until the target requirement is met.
According to the further technical scheme, in the second step, basic data are acquired by using a 0-level orbit detector relative to measuring equipment.
In the fifth step, the track gauge measuring record is recorded on the track slab by a recording pen.
According to the further technical scheme, the recording pen adopts a stone pen in sunny days and adopts a crayon in rainy days.
In the seventh step, the track gauge measuring record is recorded on the track plate by a recording pen.
According to the further technical scheme, the recording pen adopts a stone pen in sunny days and adopts a crayon in rainy days.
According to the further technical scheme, in the eighth step, the 0-level rail inspection instrument is used for carrying out return inspection relative to the measuring equipment.
The further technical scheme of the invention comprises the ninth step of pulling the net type to return to inspection.
The further technical scheme of the invention also comprises a tenth step of finishing the fine adjustment operation and counting the next time.
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 flowchart of a specific embodiment of a method for precisely adjusting a WJ-8 type fastener of a ballastless track of a high-speed railway.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, a method for precisely adjusting a WJ-8 type fastener of a ballastless track of a high-speed railway includes the following steps:
the method comprises the following steps that firstly, a dynamic railway track inspection tester collects geometric dimension data of a track, and calculates track adjustment deviation according to the collected data to form a track fine adjustment data scheme;
acquiring basic data by using a track inspection instrument relative to measuring equipment, performing track gauge and horizontal measurement by using a calibrated track scale to serve as first track scale measuring data, and marking the first track scale measuring data at a uniform position of a track slab sleeper;
step three, adjusting the rail height adjusting base plate or the iron base plate height adjusting base plate of the reference strand according to a field marking scheme;
fourthly, performing plane adjustment on the reference strand by utilizing the model and the size of the configured gauge block;
step five, measuring and rechecking the second pass of the track scale, and rechecking the track scale and correcting the position of the reference strand which is not adjusted in place;
sixthly, adjusting the elevation and the plane of the non-reference strand after the reference strand is adjusted in place;
step seven, measuring and rechecking the track scale for the third time, and rechecking the track scale and correcting the position of the non-reference strand which is not adjusted in place;
and step eight, performing recheck by using the rail inspection instrument relative to the measuring equipment, confirming the opening condition, making a correction scheme for the sleeper which does not meet the smoothness requirement, and marking, adjusting, rechecking and correcting again until the target requirement is met.
Preferably, in the second step, the 0-level orbit detector is used for collecting basic data relative to the measuring equipment.
Preferably, in the fifth step, the track gauge measuring record is recorded on the track slab by using a recording pen, the recording pen uses a stone pen in sunny days, and uses a crayon in rainy days.
Preferably, in the seventh step, the track gauge measuring record is recorded on the track slab by a recording pen, the recording pen uses a stone pen in sunny days, and uses a crayon in rainy days.
Preferably, in the step eight, the 0-level rail inspection instrument is used for performing the return inspection relative to the measuring equipment.
And further comprising a ninth step of pulling the net to perform retest and a tenth step of finishing fine adjustment operation and sorting the next time.
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 (9)
1. A method for precisely adjusting WJ-8 type fasteners of ballastless tracks of high-speed railways is characterized by comprising the following steps:
the method comprises the following steps that firstly, a dynamic railway track inspection tester collects geometric dimension data of a track, and calculates track adjustment deviation according to the collected data to form a track fine adjustment data scheme;
acquiring basic data by using a track inspection instrument relative to measuring equipment, performing track gauge and horizontal measurement by using a calibrated track scale to serve as first track scale measuring data, and marking the first track scale measuring data at a uniform position of a track slab sleeper;
step three, adjusting the rail height adjusting base plate or the iron base plate height adjusting base plate of the reference strand according to a field marking scheme;
fourthly, performing plane adjustment on the reference strand by utilizing the model and the size of the configured gauge block;
step five, measuring and rechecking the second pass of the track scale, and rechecking the track scale and correcting the position of the reference strand which is not adjusted in place;
sixthly, adjusting the elevation and the plane of the non-reference strand after the reference strand is adjusted in place;
step seven, measuring and rechecking the track scale for the third time, and rechecking the track scale and correcting the position of the non-reference strand which is not adjusted in place;
and step eight, performing recheck by using the rail inspection instrument relative to the measuring equipment, confirming the opening condition, making a correction scheme for the sleeper which does not meet the smoothness requirement, and marking, adjusting, rechecking and correcting again until the target requirement is met.
2. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 1, wherein in the second step, a 0-level rail inspection instrument is used for collecting basic data relative to a measuring device.
3. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 1, wherein in the fifth step, a track gauge measuring record is recorded on the track slab by a recording pen.
4. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 3, wherein the recording pen adopts a stone pen in sunny days and adopts a crayon in rainy days.
5. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 1, wherein in the seventh step, the track gauge measuring record is recorded on the track slab by a recording pen.
6. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 5, wherein the recording pen adopts a stone pen in sunny days and adopts a crayon in rainy days.
7. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 1, wherein in the eighth step, a 0-level rail inspection instrument is used for carrying out a return inspection relative to a measuring device.
8. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to any one of claims 1 to 7, further comprising a ninth step of performing mesh-pulling type reinspection.
9. The method for precisely adjusting the WJ-8 type fastener of the ballastless track of the high-speed railway according to claim 8, further comprising the step ten of finishing the fine adjustment operation and counting the next time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010648459.8A CN111733647A (en) | 2020-07-07 | 2020-07-07 | Precise adjustment method for WJ-8 type fastener of ballastless track of high-speed railway |
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| CN202010648459.8A CN111733647A (en) | 2020-07-07 | 2020-07-07 | Precise adjustment method for WJ-8 type fastener of ballastless track of high-speed railway |
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| CN202010648459.8A Pending CN111733647A (en) | 2020-07-07 | 2020-07-07 | Precise adjustment method for WJ-8 type fastener of ballastless track of high-speed railway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN101824782A (en) * | 2010-04-28 | 2010-09-08 | 中铁十五局集团有限公司 | High-speed railway track accurate adjusting device |
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2020
- 2020-07-07 CN CN202010648459.8A patent/CN111733647A/en active Pending
Patent Citations (5)
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| CN101824782A (en) * | 2010-04-28 | 2010-09-08 | 中铁十五局集团有限公司 | High-speed railway track accurate adjusting device |
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| CN106436501A (en) * | 2016-08-11 | 2017-02-22 | 长沙铁信交通科技有限公司 | Simultaneous operation method for fine adjustment of two tracks of high-speed rail |
| US10584448B1 (en) * | 2017-03-17 | 2020-03-10 | David Ralph Ward | Continuous serpentine concrete beamway forming system and a method for creating a hollow continuous serpentine concrete beamway |
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Cited By (1)
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| 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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