CN113202077A - Automatic monitoring equipment installation process suitable for ballast track railway roadbed - Google Patents
Automatic monitoring equipment installation process suitable for ballast track railway roadbed Download PDFInfo
- Publication number
- CN113202077A CN113202077A CN202010185941.2A CN202010185941A CN113202077A CN 113202077 A CN113202077 A CN 113202077A CN 202010185941 A CN202010185941 A CN 202010185941A CN 113202077 A CN113202077 A CN 113202077A
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- ballast
- aluminum wire
- railway
- monitoring system
- line
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 238000011900 installation process Methods 0.000 title claims abstract description 14
- 230000003068 static effect Effects 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
Abstract
The invention provides an installation process of automatic monitoring equipment suitable for a ballast track railway roadbed, and relates to the field of installation processes of static leveling equipment. The method comprises the following steps: carrying out online survey, lofting the basic position and carrying out geophysical prospecting on the positions of the ballast feet; adjusting the basic position according to the geophysical prospecting condition; assembling a static leveling system offline; excavating the top surface of the roadbed at the foundation position to form a pit, implanting reinforcing steel bars into the pit, and pouring a concrete embedded flange; pulling back the railway ballast and maintaining the basic concrete; pulling away the railway ballast at the line position of the static leveling system and placing an aluminum wire slot; the monitoring system pipeline and the heat insulation cotton are arranged in the aluminum wire groove and then connected with the aluminum wire groove; the system comprises a fixed collection box, a solar cell panel, a measuring point and pipeline equipment; pulling back a railway ballast covering monitoring system; and (4) debugging the on-line static level system, and after the debugging is finished, completing the installation and operation of the monitoring system. By adopting the invention, the time for installing the monitoring system on line is saved, the stability of the monitoring system is more reliable after installation, and the monitoring data is closer to the true value of the track deformation.
Description
Technical Field
The invention relates to the technical field of static leveling equipment mounting processes, in particular to a novel static leveling equipment mounting process flow related to a ballast track subgrade of a high-speed railway.
Background
At present, the national foundation is built and developed, the technology is advanced, and the Chinese high-speed railway becomes a name card manufactured in China and is a business card handed out at present. The total length of the mileage of the high-speed railway in China which is put into operation at present exceeds 3 kilometers, the high-speed railway has high speed and strict requirements on the smoothness of the track, and a plurality of newly built, reconstructed and expanded projects are crossed with the high-speed railway which is operated at present, so that the environment of the projects around the high-speed railway which is operated at present is worsened and the smoothness of the projects is adversely affected, and therefore how to grasp the smoothness of the track in real time is a key factor for ensuring the operation safety of the high-speed railway.
Under the technical background, the high-speed railway uses a closed operation management mode, the skylight maintenance time is only 2-3 hours every day, and according to the railway operation characteristics and the development of the automatic monitoring technology of the high-speed railway in recent years, a set of safe, stable, quick and reliable silicon piezoresistive static leveling system installation process is not formed in the field of ballast track subgrade monitoring of the high-speed railway.
Disclosure of Invention
The invention aims to provide an installation process of automatic monitoring equipment suitable for a ballast track railway subgrade, namely an automatic silicon piezoresistive static level monitoring system is formed, wherein the silicon piezoresistive static level monitoring system accurately calculates the settlement change condition at the position of a measuring point according to the size change of pressure values of different measuring points by utilizing the principle of a communicating vessel; the process flow is reasonable in design, the time for installing the monitoring system on line is saved, the stability of the monitoring system after installation is more reliable, and the monitoring data is closer to the true value of track deformation.
The invention provides an installation process of automatic monitoring equipment suitable for a ballast track railway subgrade, which comprises the following steps:
step A, entering a closed railway range, directly contacting a steel rail, investigating and lofting a foundation position, and performing geophysical prospecting on a position of a ballast foot;
adjusting the basic position of a part according to the geophysical prospecting condition;
b, assembling a static leveling system in an environment outside the influence range of the line according to the final basic position;
c, pulling off the ballast at the foundation position, excavating the top surface of the roadbed at the foundation position to form a pit, implanting reinforcing steel bars into the pit, and pouring a concrete embedded flange;
d, pulling back the railway ballast and maintaining the basic concrete;
e, pulling off the ballast at the line position of the static leveling system and placing an aluminum wire slot;
the monitoring system pipeline and the heat insulation cotton are arranged in the aluminum wire groove and then connected with the aluminum wire groove;
the system comprises a fixed collection box, a solar cell panel, a measuring point and pipeline equipment; pulling back a railway ballast covering monitoring system;
step F, debugging an on-line static level system; and after debugging is finished, the monitoring system is installed and operated.
Further, in the step B, the static level monitoring system sequentially comprises a silicon piezoresistive sensor, a liquid storage barrel, a solar cell panel, a solar cell, a solar controller, a liquid through pipe, a vent pipe, heat preservation cotton and a four-core cable.
And furthermore, the aluminum wire grooves in the step E are segmented, finally, the aluminum wire grooves distributed in multiple segments are connected into a whole in a lap joint mode through bolts, are arranged on the line beside the ballast in a straight line mode, and are connected.
And step E, after the aluminum wire grooves distributed in multiple sections are connected, the heat preservation cotton, the liquid through pipe and the vent pipe which are well assembled at positions outside the influence range of the circuit are arranged in the aluminum wire grooves, and then the aluminum wire grooves are packaged.
The invention has the following beneficial effects:
by adopting the automatic monitoring equipment installation process suitable for the ballast track railway subgrade, the top surface of a railway basic body needs to be excavated before the concrete cast-in-place mode is adopted, reinforcing steel bars are implanted into the excavated foundation pit, and the excavation position is the position of a ballast foot of a ballast track of a high-speed railway subgrade; and assembling the static leveling system according to the final foundation position and the environment outside the influence range of the line, burying each part of the static leveling system at the position of a foundation pit beside the steel rail at intervals, and simultaneously timely pulling away the railway ballast according to the requirement. By adopting the rapid installation process, the requirement of high-speed rail safe operation management can be met, technical examination of an operation management unit can be smoothly passed, the time for installing the monitoring system on line is saved, the stability of the installed monitoring system is more reliable, the monitoring data is closer to the true value of rail deformation, and the operation safety of a railway is guaranteed.
Drawings
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic plan view of a subgrade according to the invention;
fig. 21-1 is a schematic view of a roadbed cross section instrumentation arrangement of the present invention;
fig. 32-2 is a schematic view of a roadbed cross section apparatus arrangement of the present invention;
fig. 43-3 is a schematic view of a roadbed cross section apparatus arrangement of the present invention;
FIG. 5 is a process flow diagram of the present invention.
Reference numerals:
1-ballast;
2-a track;
3-a collection box;
4-measuring points;
5-a solar panel;
6-aluminum wire grooves;
7-ballast feet;
8-heat preservation cotton;
9-a pipeline apparatus;
10-a flange;
11-reinforcing steel bars;
12-liquid storage barrel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the installation process of the automatic monitoring equipment suitable for the ballast track railway subgrade of the embodiment is described in detail below with reference to fig. 1 to 5.
Examples
The rapid installation process of the automatic monitoring equipment for the ballast track 2 subgrade of the high-speed railway provided by the embodiment has the following specific implementation modes:
the method comprises the following steps:
step A, entering a closed railway range, directly contacting a steel rail, investigating and lofting a foundation position, and performing geophysical prospecting on a position of a ballast foot 7;
adjusting part of foundation positions according to geophysical prospecting conditions, wherein the foundation positions are required to be arranged at intervals with steel rails of a railway and are not in direct contact with each other;
b, assembling a static leveling system in an environment outside the influence range of the line according to the final basic position;
it should be noted that, in this step, the process of assembling the static level system may be performed before the adjustment of the base position in step a, or may be performed after the adjustment of the base position in step a.
C, pulling off the ballast 1 at the foundation position, excavating the top surface of the roadbed at the foundation position to form a pit, implanting reinforcing steel bars 11 into the pit, and pouring a concrete embedded flange 10;
the step C is to adopt a concrete cast-in-place mode, and the excavation position of the top surface of the roadbed at the base position is the position of a ballast foot 7 of a ballast track 2 of the high-speed railway roadbed; the embedded flange 10 is a relevant part for installing a static leveling system.
D, pulling back the railway ballast 1 and maintaining the basic concrete;
it should be noted here that the ballast 1 can play a role in maintaining concrete, and is also a mandatory requirement of a high-speed rail operation management unit, and the time period of the on-line railway (generally, the time period of 00: 30 to 3: 30 at night) can change the state of the original roadbed part, but the changed state of the roadbed part must be recovered before the off-line railway is completed.
Step E, pulling off the railway ballast 1 at the line position of the static leveling system and placing an aluminum wire slot 6:
the monitoring system pipeline and the heat insulation cotton 8 are arranged in the aluminum wire groove 6 and then connected with the aluminum wire groove 6;
it should be noted that, in step E, the aluminum wire troughs 6 are arranged along the plurality of foundation positions of step a, spaced apart from the railway rails, and not in contact with the railway rails.
The device comprises a fixed collection box 3, a solar cell panel 5, a measuring point 4 and pipeline equipment 9; pulling back a track ballast 1 covering monitoring system;
it is to be noted here that the fixed collection box 3, the solar panel 5, the measuring point 4 and the pipeline device 9 in step E are all arranged in succession at different base positions.
Step F, debugging an on-line static level system; and after debugging is finished, the monitoring system is installed and operated.
In the specific scheme of this embodiment, in step B, static level monitoring system includes silicon piezoresistive sensor, liquid storage bucket 12, solar cell panel 5, solar cell, solar controller, logical liquid pipe, breather pipe, heat preservation cotton 8 and four-core cable in proper order.
In the concrete scheme of this embodiment, aluminium wire casing 6 is the segmentation in step E, and finally the aluminium wire casing 6 that the multistage distributes connects into a whole through bolt overlap joint, and the line is gone up and is opened in a word next to railway ballast 1, then connects, just can connect after contacting the rail promptly to avoid contacting the rail in-process electric shock accident to appear.
In the specific scheme of this embodiment, in step E, after connecting between the aluminum wire casing 6 that the multistage distributes, pack the heat preservation cotton 8, the liquid pipe that leads to and the breather pipe that will assemble in the position outside the influence range of circuit into aluminum wire casing 6 back encapsulation aluminum wire casing 6.
By adopting the rapid installation process of the automatic monitoring equipment for the ballast track 2 subgrade of the high-speed railway, the top surface of a roadbed base body needs to be excavated before the concrete cast-in-place mode is adopted, reinforcing steel bars 11 are implanted into an excavated foundation pit, and the excavation position is the position of a ballast foot 7 of the ballast track 2 of the high-speed railway subgrade; and assembling the static leveling system according to the final foundation position and the environment outside the influence range of the line, burying each part of the static leveling system at the position of a foundation pit beside a steel rail at intervals, and simultaneously timely pulling out the railway ballast 1 according to the requirement. By adopting the rapid installation process, the requirement of safe operation management of the high-speed rail can be met, technical examination of an operation management unit can be smoothly passed, the time for installing the monitoring system on line is saved, the stability of the installed monitoring system is more reliable, the monitoring data is closer to the true value of deformation of the track 2, and the operation safety of the railway is guaranteed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The automatic monitoring equipment installation process suitable for the ballast track railway subgrade is characterized by comprising the following steps of:
step A, entering a closed railway range, directly contacting a steel rail, investigating and lofting a foundation position, and performing geophysical prospecting on a position of a ballast foot;
adjusting the basic position of a part according to the geophysical prospecting condition;
b, assembling a static leveling system in an environment outside the influence range of the line according to the final basic position;
c, pulling off the ballast at the foundation position, excavating the top surface of the roadbed at the foundation position to form a pit, implanting reinforcing steel bars into the pit, and pouring a concrete embedded flange;
d, pulling back the railway ballast and maintaining the basic concrete;
e, pulling off the ballast at the line position of the static leveling system and placing an aluminum wire slot;
the monitoring system pipeline and the heat insulation cotton are arranged in the aluminum wire groove and then connected with the aluminum wire groove;
the system comprises a fixed collection box, a solar cell panel, a measuring point and pipeline equipment; pulling back a railway ballast covering monitoring system;
step F, debugging an on-line static level system; and after debugging is finished, the monitoring system is installed and operated.
2. The mounting process of the automatic monitoring equipment suitable for the ballast track railway subgrade according to the claim 1, wherein in the step B, the static level monitoring system sequentially comprises a silicon piezoresistive sensor, a liquid storage barrel, a solar cell panel, a solar cell, a solar controller, a liquid through pipe, a vent pipe, heat insulation cotton and a four-core cable.
3. The mounting process of the automatic monitoring equipment suitable for the ballast track railway subgrade according to the claim 1 is characterized in that the aluminum wire grooves in the step E are segmented, finally, the aluminum wire grooves distributed in multiple segments are connected into a whole through bolt lap joint, are arranged in a line beside the ballast and then are connected.
4. The mounting process of the automatic monitoring equipment suitable for the ballast track railway subgrade according to the claim 1 is characterized in that in the step E, after the aluminum wire grooves distributed in multiple sections are connected, the heat insulation cotton, the liquid through pipe and the air through pipe which are assembled at positions outside the influence range of the circuit are arranged in the aluminum wire grooves, and then the aluminum wire grooves are packaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185941.2A CN113202077A (en) | 2020-07-27 | 2020-07-27 | Automatic monitoring equipment installation process suitable for ballast track railway roadbed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185941.2A CN113202077A (en) | 2020-07-27 | 2020-07-27 | Automatic monitoring equipment installation process suitable for ballast track railway roadbed |
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| CN113202077A true CN113202077A (en) | 2021-08-03 |
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| CN202010185941.2A Pending CN113202077A (en) | 2020-07-27 | 2020-07-27 | Automatic monitoring equipment installation process suitable for ballast track railway roadbed |
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Citations (13)
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