CN110319803A

CN110319803A - A kind of track circuit limiting length calculation method and device

Info

Publication number: CN110319803A
Application number: CN201910534933.1A
Authority: CN
Inventors: 项守宽; 李乾社
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2019-10-11
Anticipated expiration: 2039-06-20
Also published as: CN110319803B

Abstract

The present invention provides a kind of track circuit limiting length calculation method and device, method includes: to obtain semaphore mileometer, bridge tunnel non-fragment orbit mileometer, have tiny fragments of stone, coal, etc. railway ballast resistance and track circuit limiting length parameter list；According to semaphore mileometer and bridge tunnel non-fragment orbit mileometer, the orbit parameter of each track section is calculated；Orbit parameter includes non-fragment orbit parameter and Ballast track parameter；For each track section, based on track circuit limiting length parameter list He the track section non-fragment orbit parameter determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on track circuit limiting length parameter list, there is what the Ballast track parameter of tiny fragments of stone, coal, etc. railway ballast resistance and the track section determined the track section to have tiny fragments of stone, coal, etc. limiting length；Without tiny fragments of stone, coal, etc. limiting length and there is the smaller in tiny fragments of stone, coal, etc. limiting length as the track circuit limiting length of the track section track section.Using the embodiment of the present invention, the efficiency and accuracy rate of the calculating of track circuit limiting length are improved.

Description

A kind of track circuit limiting length calculation method and device

Technical field

The present invention relates to railway engineering prospecting field more particularly to a kind of track circuit limiting length calculation method and dresses It sets.

Background technique

Track circuit have the function of interval orbit section free time/occupancy inspection and to vehicle-mounted signal device transmit information, It is made of the cable of external equipment in indoor equipment, trackside equipment and junction chamber.When the length of certain section of track section is no more than a certain When length, section track circuit ability reliably working, this length is defined as the limiting length of the section track circuit.

The limiting length of interval orbit circuit by roadbed, bridge, tunnel, have the routes knots such as the tiny fragments of stone, coal, etc./non-fragment orbit, railway ballast resistance Structure basic condition is affected, but not yet forms a kind of clear and definite currently, calculating track circuit limiting length in the industry Computation model and method.What use was more is the track structure that method is the manually route according to locating for every section of track section at present Basis compares in existing track circuit technology without the tiny fragments of stone, coal, etc. and has the general Rule of judgment of tiny fragments of stone, coal, etc. route, rule of thumb directly to each area Section track circuit limiting length carries out assignment.The conventional method not only low efficiency, but also it is completely dependent on artificial experience, due to difference The experience of personnel is different, therefore is easy to produce mistake.

Summary of the invention

It is an object of the invention to overcome the defect of the prior art, a kind of track circuit limiting length calculation method is provided And device, to realize the efficiency and accuracy rate that improve track circuit limiting length and calculate.

The present invention is implemented as follows:

In a first aspect, the present invention provides a kind of track circuit limiting length calculation method, which comprises

It obtains semaphore mileometer, bridge tunnel non-fragment orbit mileometer, have tiny fragments of stone, coal, etc. railway ballast resistance and track circuit limiting length ginseng Number table；The semaphore mileometer is used to store the mileage information of each signaling point；The bridge tunnel non-fragment orbit mileometer is for depositing Store up the mileage information of each track infrastructure；The track circuit limiting length parameter list exists for storing each track infrastructure Track limiting length under different preset conditions；

According to the semaphore mileometer and the bridge tunnel non-fragment orbit mileometer, the track ginseng of each track section is calculated Number；The orbit parameter includes non-fragment orbit parameter and Ballast track parameter；

For each track section, the non-fragment orbit based on the track circuit limiting length parameter list and the track section Parameter determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the track circuit limiting length parameter list, described there is tiny fragments of stone, coal, etc. railway ballast What the Ballast track parameter of resistance and the track section determined the track section has tiny fragments of stone, coal, etc. limiting length；By the track section without the tiny fragments of stone, coal, etc. Limiting length and there is track circuit limiting length of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section.

Optionally, each track infrastructure include tiny fragments of stone, coal, etc. roadbed, have tiny fragments of stone, coal, etc. bridge, have tiny fragments of stone, coal, etc. tunnel, without tiny fragments of stone, coal, etc. roadbed, without the tiny fragments of stone, coal, etc. Bridge and without tiny fragments of stone, coal, etc. tunnel；The Ballast track parameter includes tiny fragments of stone, coal, etc. roadbed length, there is tiny fragments of stone, coal, etc. bridge length, has tiny fragments of stone, coal, etc. length of tunnel and be somebody's turn to do The overall length that track section has the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have tiny fragments of stone, coal, etc. tunnel；The non-fragment orbit parameter includes that no tiny fragments of stone, coal, etc. roadbed is long Degree, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and the track section without the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel without the complete of tiny fragments of stone, coal, etc. tunnel It is long；

The track regions are determined based on the non-fragment orbit parameter of the track circuit limiting length parameter list He the track section Section without tiny fragments of stone, coal, etc. limiting length, comprising: by the track section without tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and The track section is assigned to current roadbed length without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel respectively, works as front axle beam Length, current tunnel length and accounting maximum tunnel overall length；The track circuit limiting length parameter list is read, each condition is obtained Parameter；Call track limiting length computing module, obtain the track limiting length computing module be based on current roadbed length, when Front axle beam length, current tunnel length, accounting maximum tunnel overall length and each conditional parameter return without tiny fragments of stone, coal, etc. limiting length, as this Track section without tiny fragments of stone, coal, etc. limiting length；

Based on the track circuit limiting length parameter list, the Ballast track for having tiny fragments of stone, coal, etc. railway ballast resistance and the track section What parameter determined the track section has tiny fragments of stone, coal, etc. limiting length, comprising: having the track section tiny fragments of stone, coal, etc. roadbed length, have tiny fragments of stone, coal, etc. bridge long It spends, there is tiny fragments of stone, coal, etc. length of tunnel and the track section to there is the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to there is the overall length in tiny fragments of stone, coal, etc. tunnel to be assigned to respectively currently Roadbed length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit limiting length Parameter list obtains each conditional parameter；Track limiting length computing module is called, the track limiting length computing module base is obtained In current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length, each conditional parameter and described have What tiny fragments of stone, coal, etc. railway ballast resistance returned has tiny fragments of stone, coal, etc. limiting length, has tiny fragments of stone, coal, etc. limiting length as the track section.

Optionally, the track limiting length computing module obtains no tiny fragments of stone, coal, etc. limiting length in the following manner:

Based on resulting current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length and each Conditional parameter determines roadbed condition locating for current roadbed length, bridge condition locating for current bridge length, current tunnel length institute Locate if tunnel conditions；

The track circuit limiting length parameter list is searched, the current roadbed length institute in the case where presetting without tiny fragments of stone, coal, etc. railway ballast resistance is obtained The corresponding roadbed limiting length of place's roadbed condition, in the case where presetting without tiny fragments of stone, coal, etc. railway ballast resistance, bridge condition locating for current bridge length is corresponding Bridge limiting length, it is default without tiny fragments of stone, coal, etc. railway ballast resistance under the corresponding tunnel limit of if tunnel conditions locating for current tunnel length it is long Degree, using the smaller in resulting roadbed limiting length, bridge limiting length, tunnel limiting length as no tiny fragments of stone, coal, etc. limiting length.

Optionally, the track limiting length computing module has obtained tiny fragments of stone, coal, etc. limiting length in the following manner:

The track circuit limiting length parameter list is searched, obtains having current roadbed length institute under tiny fragments of stone, coal, etc. railway ballast resistance described Roadbed condition corresponding roadbed limiting length in place's has bridge condition locating for current bridge length under tiny fragments of stone, coal, etc. railway ballast resistance corresponding described Bridge limiting length, have the corresponding tunnel limit of if tunnel conditions locating for current tunnel length under tiny fragments of stone, coal, etc. railway ballast resistance long described Degree, using the smaller in resulting roadbed limiting length, bridge limiting length, tunnel limiting length as there is tiny fragments of stone, coal, etc. limiting length.

Optionally, each conditional parameter includes roadbed preset value, the first bridge preset value, the second bridge preset value, One tunnel preset value, the second tunnel preset value and third tunnel preset value, the default item in track circuit limiting length parameter list Part includes presetting roadbed condition, the first default bridge condition, the second default bridge condition, the first default if tunnel conditions, second in advance If if tunnel conditions and third preset if tunnel conditions；It is long based on resulting current roadbed length, current bridge length, current tunnel Degree, accounting maximum tunnel overall length and each conditional parameter, determine roadbed condition locating for current roadbed length, locating for current bridge length If tunnel conditions locating for bridge condition, current tunnel length, comprising:

If resulting current roadbed length is greater than the first roadbed preset value, determine that roadbed condition locating for current roadbed length is Default roadbed condition；Otherwise, it determines roadbed condition locating for current roadbed length is not default roadbed condition；

If resulting current bridge length is greater than the first bridge preset value, judge current bridge length whether less than the second bridge Beam preset value, if the bridge condition locating for current bridge length that determines is the first default bridge condition less than the second bridge preset value； If being not less than the second bridge preset value, the bridge condition locating for current bridge length that determines is the second default bridge condition；

If resulting current tunnel length is greater than the first tunnel preset value, judge current tunnel length whether less than the second tunnel Road preset value, if determining that if tunnel conditions locating for current tunnel length are the first default if tunnel conditions less than the second tunnel preset value； If being not less than the second tunnel preset value, it is default to judge whether the accounting maximum tunnel overall length of the track section is less than third tunnel Value determines that if tunnel conditions locating for current tunnel length are the second default if tunnel conditions if being less than third tunnel preset value；If not small In third tunnel preset value, determine that if tunnel conditions locating for current tunnel length are that third presets if tunnel conditions.

Optionally, the orbit parameter includes track section length, the method also includes:

For each track section, judge whether the track section length of the track section is greater than the track of the track section Circuit limiting length, if more than the length mark position that goes beyond the limit of that the track section is arranged is virtual value, and generates prompt letter Breath.

Optionally, the track circuit limit of the track section whether is greater than in the track section length for judging the track section After length, the method also includes:

Orbit parameter and set virtual value based on each track section generate the limiting length inspection of section track circuit Table.

Optionally, each signaling point include home signal, it is reversed home signal, exit signal, reversed outbound Semaphore passes through semaphore and cut-point, leads to described in default first identifier value unique identification in the semaphore mileometer Cross semaphore, the cut-point described in default second identifier value unique identification.

Second aspect, the present invention provide a kind of track circuit limiting length computing device, and described device includes:

Module is obtained, for obtaining semaphore mileometer, bridge tunnel non-fragment orbit mileometer, having tiny fragments of stone, coal, etc. railway ballast resistance and track electricity Road limiting length parameter list；The semaphore mileometer is used to store the mileage information of each signaling point；The bridge tunnel non-fragment orbit Mileometer is used to store the mileage information of each track infrastructure；The track circuit limiting length parameter list is for storing each rail Track limiting length of the road foundation structure under different preset conditions；

Computing module, for calculating each rail according to the semaphore mileometer and the bridge tunnel non-fragment orbit mileometer The orbit parameter of road section；The orbit parameter includes non-fragment orbit parameter and Ballast track parameter；

Determining module, for being directed to each track section, based on the track circuit limiting length parameter list and the track The non-fragment orbit parameter of section determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the track circuit limiting length parameter Table described has what the Ballast track parameter of tiny fragments of stone, coal, etc. railway ballast resistance and the track section determined the track section to have tiny fragments of stone, coal, etc. limiting length；It will The track section without tiny fragments of stone, coal, etc. limiting length and having the track circuit limit of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section Length.

Non-fragment orbit parameter of the determining module based on the track circuit limiting length parameter list He the track section Determine the track section without tiny fragments of stone, coal, etc. limiting length, specifically: by the track section without tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, No tiny fragments of stone, coal, etc. length of tunnel and the track section are assigned to current road without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel respectively Base length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit limiting length ginseng Number table, obtains each conditional parameter；Track limiting length computing module is called, the track limiting length computing module is obtained and is based on Current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length and each conditional parameter return without the tiny fragments of stone, coal, etc. Limiting length, as the track section without tiny fragments of stone, coal, etc. limiting length；

The determining module is based on the track circuit limiting length parameter list, described has tiny fragments of stone, coal, etc. railway ballast resistance and the track regions What the Ballast track parameter of section determined the track section has tiny fragments of stone, coal, etc. limiting length, specifically: there is tiny fragments of stone, coal, etc. roadbed long the track section It spends, there is tiny fragments of stone, coal, etc. bridge length, thering is tiny fragments of stone, coal, etc. length of tunnel and the track section to there is the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have the complete of tiny fragments of stone, coal, etc. tunnel Length is assigned to current roadbed length, current bridge length, current tunnel length and accounting maximum tunnel overall length respectively；Read the rail Road circuit limiting length parameter list, obtains each conditional parameter；Track limiting length computing module is called, the track limit is obtained Length computation module is based on current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length, each item Part parameter and it is described have tiny fragments of stone, coal, etc. railway ballast resistance return have tiny fragments of stone, coal, etc. limiting length, have tiny fragments of stone, coal, etc. limiting length as the track section.

The invention has the following advantages: using the embodiment of the present invention, can according to semaphore mileometer and bridge tunnel without Tiny fragments of stone, coal, etc. trackage table calculates the orbit parameter of each track section, and then for each track section, can be based on the track regions Section non-fragment orbit parameter and track circuit limiting length parameter list determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the rail The Ballast track parameter of road section, track circuit limiting length parameter list and there is what tiny fragments of stone, coal, etc. railway ballast resistance determined the track section to have the tiny fragments of stone, coal, etc. Limiting length；Without tiny fragments of stone, coal, etc. limiting length and there is the smaller in tiny fragments of stone, coal, etc. limiting length as the rail of the track section track section Road circuit limiting length.Whole process is unified and has standardized the calculating process of the track circuit limiting length of track section, is not necessarily to Artificial experience value is relied on, no matter how Fu Za track section can be handled quickly, effectively improve the accuracy rate of calculating And efficiency.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of flow diagram of track circuit limiting length calculation method provided in an embodiment of the present invention；

Fig. 2 has tiny fragments of stone, coal, etc. limiting length or a kind of flow diagram without tiny fragments of stone, coal, etc. limiting length to be provided in an embodiment of the present invention；

Fig. 3 is a kind of structural schematic diagram of track circuit limiting length computing device provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.

It should be noted that track circuit limiting length calculation method provided by the present invention can be applied to electronics and set Standby, in a particular application, electronic equipment can be plate, mobile phone, PC, computer, server etc..

Referring to Fig. 1, the embodiment of the present invention provides a kind of track circuit limiting length calculation method, and method includes following step It is rapid:

S101, it obtains semaphore mileometer, bridge tunnel non-fragment orbit mileometer, have tiny fragments of stone, coal, etc. railway ballast resistance and the track circuit limit long Spend parameter list；The semaphore mileometer is used to store the mileage information of each signaling point；The bridge tunnel non-fragment orbit mileometer is used In the mileage information for storing each track infrastructure；The track circuit limiting length parameter list is for storing each track foundation knot Track limiting length of the structure under different preset conditions；

S102, according to the semaphore mileometer and the bridge tunnel non-fragment orbit mileometer, calculate each track section Orbit parameter；The orbit parameter includes non-fragment orbit parameter and Ballast track parameter；

S103, each track section, the nothing based on the track circuit limiting length parameter list and the track section are directed to Tiny fragments of stone, coal, etc. orbit parameter determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the track circuit limiting length parameter list, described have What the Ballast track parameter of tiny fragments of stone, coal, etc. railway ballast resistance and the track section determined the track section has tiny fragments of stone, coal, etc. limiting length；By the track section Without tiny fragments of stone, coal, etc. limiting length and having track circuit limiting length of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section.

Every record in semaphore mileometer can have multiple fields, for example, field may include " title ", " class Type ", " mileage " etc., wherein " type " can be signaling point type, may include home signal, reversed home signal, Exit signal, passes through the types such as semaphore or cut-point (interval orbit circuit cut-point) at reversed exit signal, in signal It can be divided with default first identifier value unique identification by semaphore, with default second identifier value unique identification in machine mileometer Point, for home signal, reversed home signal, exit signal, reversed exit signal, can with itself title or Device numbering unique identification itself.The adjacent route by between semaphore and cut-point can regard a track section as, Every two can regard a block section as by the route between semaphore.Default first identifier value and default second identifier Value can be previously set, such as respectively 17 and 15.

The form of Excel table can be used in semaphore mileometer, and data format can meet the generic model of prospective design, from And data format can be made simple, and can satisfy the demand of software programming.Semaphore mileage can be by driving profession It provides, the mileage value of each signaling point can be previously set by project planner.

To keep present invention narration succinct, semaphore mileometer sample data can only intercept one section of downgoing line, and not Consider route chain rupture factor.For example, semaphore mileometer can be as shown in table 1 below, the input of one column of title is " 0 " in table, is indicated Signaling point is to pass through semaphore or cut-point.The value on one column of type is 17, indicates that signaling point is to pass through semaphore or marker Board, the value on one column of type are 15, and expression signaling point is cut-point, and the value on mileage column indicates the mileage value of signaling point present position.

Table 1

Every record in bridge tunnel non-fragment orbit mileometer can have multiple fields, for example, field may include " title ", " type ", " starting point mileage ", " terminal mileage " etc., wherein " type " can be the type of track infrastructure, for example, can wrap Include bridge, tunnel and without types such as the tiny fragments of stone, coal, etc.s.In addition, other are to have the tiny fragments of stone, coal, etc. in addition to the section that type is no tiny fragments of stone, coal, etc. is non-fragment orbit section in table Track section.

Bridge tunnel non-fragment orbit mileometer can use Excel table, and data format can meet the generic model of prospective design, So that data format is simple, and it can satisfy the demand of software programming.Bridge, tunnel and mileage information without the tiny fragments of stone, coal, etc. can be with It is respectively derived from as bridge, tunnel and the professional mileage in track field.Mileage range in bridge tunnel non-fragment orbit mileometer It can be consistent with the mileage range of semaphore mileometer.Illustratively, bridge tunnel non-fragment orbit mileometer can be as shown in table 2 below.

Table 2

There is tiny fragments of stone, coal, etc. railway ballast resistance to can be the railway ballast resistance of Ballast track section in route, can be read using human-computer dialogue frame " semaphore mileometer " file and " bridge tunnel non-fragment orbit mileometer " file；The railway ballast resistance for reading user's selection, as there is the tiny fragments of stone, coal, etc. Railway ballast resistance.To keep programming simple, the present invention execute every time can only handle it is single have tiny fragments of stone, coal, etc. railway ballast resistance, if existed on route The Ballast track section of different railway ballast resistance can work out semaphore mileometer by different railway ballast resistor sections.

Each track infrastructure may include have tiny fragments of stone, coal, etc. roadbed, have tiny fragments of stone, coal, etc. bridge, have tiny fragments of stone, coal, etc. tunnel, without tiny fragments of stone, coal, etc. roadbed, without tiny fragments of stone, coal, etc. bridge and Without tiny fragments of stone, coal, etc. tunnel；Ballast track parameter may include having tiny fragments of stone, coal, etc. roadbed length, having tiny fragments of stone, coal, etc. bridge length, have tiny fragments of stone, coal, etc. length of tunnel and the track regions The overall length that section has the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have tiny fragments of stone, coal, etc. tunnel；Non-fragment orbit parameter may include no tiny fragments of stone, coal, etc. roadbed length, nothing Tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and the track section without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel.

For each track section, which may include non-fragment orbit section and Ballast track section, have Tiny fragments of stone, coal, etc. roadbed length, have tiny fragments of stone, coal, etc. bridge length, have tiny fragments of stone, coal, etc. length of tunnel that can be roadbed length in Ballast track section respectively, bridge it is long Degree, length of tunnel；No tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel can be in non-fragment orbit section respectively Roadbed length, bridge length, length of tunnel；It may include multiple tunnel segments in the Ballast track section of one track section, Some tunnels may be very long, to extend to other track sections, it is exactly that Ballast track section is included that target, which has tiny fragments of stone, coal, etc. tunnel, The maximum tunnel of accounting in multiple tunnel segments, target is without multiple tunnel segments that tiny fragments of stone, coal, etc. tunnel is exactly that non-fragment orbit section is included The middle maximum tunnel of accounting.

For example, K272+590 to K285+634 section is non-fragment orbit section, then the area other than the section in table 2 Section is all Ballast track section, since the section of the Han River Cui Jiaying grand bridge is K272+615 to K285+628, is fallen completely within Non-fragment orbit section, therefore, the length for falling into non-fragment orbit section is without tiny fragments of stone, coal, etc. bridge length, extremely with the K285+074 of table 1 K285+980 section is as a track section, then the section of the section a length of (K285+980)-(K285+074)=906；It should Non-fragment orbit section in section is K285+074 to K285+634, the Ballast track section in the section be K285+634 extremely K285+980, since the part K285+074 to K285+628 in the grand bridge of the Han River Cui Jiaying falls into the non-fragment orbit area of the section Section, thus without tiny fragments of stone, coal, etc. bridge length be (K285+628)-(K285+074)=554, due to do not have tunnel fall into the section without the tiny fragments of stone, coal, etc. Track section, therefore be 0 without tiny fragments of stone, coal, etc. length of tunnel, the track section is without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel It is 0；Since the overall length of the non-fragment orbit section of the section is (K285+634)-(K285+074)=560, no tiny fragments of stone, coal, etc. roadbed Length is 560-554-0=6；

Since the part K285+647 to K285+980 in Xianshan Moutain No.1 tunnel falls into the Ballast track section of the section, because This, having tiny fragments of stone, coal, etc. length of tunnel is (K285+980)-(K285+647)=333, which has the maximum mesh of accounting in tiny fragments of stone, coal, etc. tunnel Indicate tiny fragments of stone, coal, etc. tunnel overall length be Xianshan Moutain No.1 tunnel overall length, as 663；Due to there is no bridge to fall into the Ballast track of the section Section, therefore, having tiny fragments of stone, coal, etc. bridge length is 0, since the overall length of the Ballast track section of the section is (K285+980)-(K285+ 634)=346, therefore, having tiny fragments of stone, coal, etc. roadbed length is 346-333-0=13.

Specifically, each track section is directed to, based on the track circuit limiting length parameter list and the track section Non-fragment orbit parameter determine the track section without tiny fragments of stone, coal, etc. limiting length, may include: by the track section without tiny fragments of stone, coal, etc. roadbed length, No tiny fragments of stone, coal, etc. bridge length, the overall length point without tiny fragments of stone, coal, etc. length of tunnel and the track section without the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel without tiny fragments of stone, coal, etc. tunnel It is not assigned to current roadbed length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track electricity Road limiting length parameter list, obtains each conditional parameter；Track limiting length computing module is called, the track limiting length is obtained Computing module is based on current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length and each condition ginseng Number return without tiny fragments of stone, coal, etc. limiting length, as the track section without tiny fragments of stone, coal, etc. limiting length；

Based on the track circuit limiting length parameter list, the Ballast track for having tiny fragments of stone, coal, etc. railway ballast resistance and the track section Parameter, determine the track section have tiny fragments of stone, coal, etc. limiting length, may include: having the track section tiny fragments of stone, coal, etc. roadbed length, have Zha Qiao Beam length has tiny fragments of stone, coal, etc. length of tunnel and the track section to have the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have the overall length in tiny fragments of stone, coal, etc. tunnel to be assigned to respectively Current roadbed length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit limit Length parameter table obtains each conditional parameter；Track limiting length computing module is called, the track limiting length is obtained and calculates mould Block is based on current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length, each conditional parameter and institute That states the return of tiny fragments of stone, coal, etc. railway ballast resistance has tiny fragments of stone, coal, etc. limiting length, has tiny fragments of stone, coal, etc. limiting length as the track section.

Track limiting length computing module, which can be, has tiny fragments of stone, coal, etc. limiting length and without tiny fragments of stone, coal, etc. pole for calculate each track section The program module of limit for length's degree, track limiting length computing module can be under non-fragment orbit circuits or specific railway ballast resistance condition Ballast track circuit counting limiting length.After called every time, certain in non-fragment orbit or Ballast track is just calculated and returned One track section without tiny fragments of stone, coal, etc. limiting length or have tiny fragments of stone, coal, etc. limiting length.For example, track limiting length computing module can use Fig. 2 institute Show that flow chart is calculated no tiny fragments of stone, coal, etc. limiting length or has tiny fragments of stone, coal, etc. limiting length, the N in Fig. 2 indicates N number of track section to be calculated； The variable declaration that present procedure module is related to is as shown in table 3 below.

Track limiting length computing module can obtain no tiny fragments of stone, coal, etc. limiting length in the following manner:

The default railway ballast resistance that can be preset non-fragment orbit without tiny fragments of stone, coal, etc. railway ballast resistance, for example, can be 3.0 Ω .km.

Track limiting length computing module can obtain in the following manner tiny fragments of stone, coal, etc. limiting length:

Each conditional parameter may include that roadbed preset value, the first bridge preset value, the second bridge preset value, the first tunnel are pre- If value, the second tunnel preset value and third tunnel preset value, the preset condition in track circuit limiting length parameter list includes pre- If roadbed condition, the first default bridge condition, the second default bridge condition, the first default if tunnel conditions, the second default tunnel item Part and third preset if tunnel conditions；Most based on resulting current roadbed length, current bridge length, current tunnel length, accounting Big tunnel overall length and each conditional parameter, determine roadbed condition locating for current roadbed length, bridge condition locating for current bridge length, If tunnel conditions locating for current tunnel length may include:

Roadbed preset value, the first bridge preset value, the second bridge preset value, the first tunnel preset value, the second tunnel are default Value and third tunnel preset value can be preset according to demand, for example, can be according to each track infrastructure in track section In length to the Different Effects of track circuit limiting length, setting roadbed preset value, the first bridge preset value, the second bridge are pre- If value, the first tunnel preset value, the second tunnel preset value and third tunnel preset value are respectively 0,0,301,0,301,2001.From And default roadbed condition, the first default bridge condition, the second default bridge condition, the first default if tunnel conditions, the second default tunnel Road condition and third preset if tunnel conditions be respectively as follows: L_J > 0,301 > L_Q > 0, L_Q >=301,301 > L_S > 0,2001 > L_S > =301, L_S >=2001, L_J indicates current roadbed length, and L_Q indicates that current bridge length, L_S indicate current tunnel length.

Track circuit limiting length parameter list can also use the form of Excel table.The present invention is by classification of track point without the tiny fragments of stone, coal, etc. Track and two kinds of Ballast track, the railway ballast resistance of non-fragment orbit may be considered single fixed value, it may for instance be considered that without the tiny fragments of stone, coal, etc. The railway ballast resistance of track is 3.0 Ω .km；The railway ballast resistance of Ballast track can there are many value conditions, for example, may include Tetra- kinds of 3.0 Ω .km, 2.0 Ω .km, 1.0 Ω .km and 0.5 Ω .km situations, can be preparatory in track circuit limiting length parameter list Track limiting length when each track infrastructure is in each railway ballast resistance under different preset conditions is set.For example, track is electric Road limiting length parameter list can be as shown in table 4 below.

Table 4

In table 3, default roadbed item is respectively indicated for JXL_J1, JXL_Q1, JXL_Q2, JXL_S1, JXL_S2, JXL_S3 The corresponding roadbed limiting length of part (i.e. default roadbed limiting length), the corresponding bridge limiting length of the first default bridge condition (the i.e. first default bridge limiting length), corresponding bridge limiting length (the i.e. second default bridge pole of the second default bridge condition Limit for length's degree), the corresponding tunnel limiting length (the i.e. first default tunnel limiting length) of the first default if tunnel conditions, the second default tunnel The corresponding tunnel limiting length of road condition (the i.e. second default tunnel limiting length), third preset the corresponding tunnel pole of if tunnel conditions Limit for length's degree (i.e. third presets tunnel limiting length).

Using the embodiment of the present invention, each rail can be calculated according to semaphore mileometer and bridge tunnel non-fragment orbit mileometer The orbit parameter of road section, and then for each track section, it can be based on the non-fragment orbit parameter and track of the track section Circuit limiting length parameter list determine the track section without tiny fragments of stone, coal, etc. limiting length；Ballast track parameter based on the track section, Track circuit limiting length parameter list and there is what tiny fragments of stone, coal, etc. railway ballast resistance determined the track section to have tiny fragments of stone, coal, etc. limiting length；By the track section Without tiny fragments of stone, coal, etc. limiting length and having track circuit limiting length of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section.Entire mistake The calculating process of Cheng Tongyi and the track circuit limiting length for having standardized track section, without relying on artificial experience value, no matter How Fu Za track section can be handled quickly, effectively improve the accuracy rate and efficiency of calculating.

In addition, if roadbed below the track circuit no-reinforcing-bar structure, have the coagulation of bar construction below bridge rail route Tu Qiao, for bridge route, can according to the railway ballast resistance condition in actual use, if railway ballast resistance lower than requiring, can be with There is tiny fragments of stone, coal, etc. limiting length according to the determination of practical railway ballast resistance.Railway steel bridge line track circuit has tiny fragments of stone, coal, etc. limiting length that can join with rail Number test result determines.For example, bridge section track circuit has tiny fragments of stone, coal, etc. limiting length that can take when railway ballast resistance is 0.5 Ω .km Value 500m.

Illustratively, it can be pre-designed Ballast track circuit limiting length parameter list as shown in table 5 below, by searching for Ballast track circuit limiting length parameter list, different track structure types has tiny fragments of stone, coal, etc. limiting length in available route, there is the tiny fragments of stone, coal, etc. Limiting length i.e. Ballast track line track circuit reliably working length.

Table 5

For the tunnel segment in section, it may be considered that pollution effect of the environment to railway roadbed, especially major long tunnel.Work as area , can be according to the railway ballast resistance condition in actual use when section inner tunnel is partially larger than 300m, determination has tiny fragments of stone, coal, etc. limiting length.Example Such as, tunnel segment has tiny fragments of stone, coal, etc. limiting length that can obtain by following principle:

When railway ballast resistance is 3.0 Ω .km:

If length of tunnel is in 300m hereinafter, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 1200m；

If length of tunnel, within 300m~2000m, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 1000m；

If length of tunnel, in 2000m or more, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 800m.

When railway ballast resistance is less than 3.0 and is more than or equal to 2.0 Ω .km:

If length of tunnel, within 300m~2000m, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 900m；

If length of tunnel, in 2000m or more, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 700m.

When railway ballast resistance is less than 2.0 and is more than or equal to 1.0 Ω .km:

If length of tunnel is in 300m hereinafter, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 700m；

If length of tunnel, within 300m~2000m, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 600m；

If length of tunnel, in 2000m or more, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 550m.

When railway ballast resistance is less than 1.0 and is more than or equal to 0.5 Ω .km:

If length of tunnel is in 300m hereinafter, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 500m；

If length of tunnel, within 300m~2000m, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 450m；

If length of tunnel, in 2000m or more, tunnel segment has tiny fragments of stone, coal, etc. limiting length value 400m.

For each track section, can have what is determined respectively by roadbed, bridge and tunnel in tiny fragments of stone, coal, etc. limiting length Smaller, have tiny fragments of stone, coal, etc. limiting length as the track section.

Illustratively, for roadbed and bridge type, the non-fragment orbit circuit limit as shown in table 6 below can be pre-designed Length parameter table, the railway ballast resistance of non-fragment orbit can be fixed as 3.0 Ω .km, by searching for non-fragment orbit circuit limiting length Parameter list, available roadbed and bridge type without tiny fragments of stone, coal, etc. limiting length, no tiny fragments of stone, coal, etc. limiting length i.e. non-fragment orbit route rail Road circuit reliably working length.

Table 6

In addition, bridge portion can be tested without tiny fragments of stone, coal, etc. limiting length according to steel rail parameter for railway steel bridge route As a result it determines.For the tunnel segment in section, it may be considered that pollution effect of the environment to railway roadbed, tunnel of especially growing up Road., can be according to the railway ballast resistance condition in actual use when section inner tunnel is partially larger than 300m, determination is long without the tiny fragments of stone, coal, etc. limit Degree.For example, tunnel segment can be obtained without tiny fragments of stone, coal, etc. limiting length by following principle:

If length of tunnel in 300m hereinafter, tunnel segment without tiny fragments of stone, coal, etc. limiting length value 1000m；

If length of tunnel within 300m~2000m, tunnel segment without tiny fragments of stone, coal, etc. limiting length value 800m；

If length of tunnel in 2000m or more, tunnel segment without tiny fragments of stone, coal, etc. limiting length value 600m.

For each track section, can by by roadbed, bridge and tunnel respectively determine without in tiny fragments of stone, coal, etc. limiting length Smaller, as the track section without tiny fragments of stone, coal, etc. limiting length.

The orbit parameter includes track section length, the method also includes:

Virtual value can be set according to demand, for example, can be 1.Prompt information is for prompting user's track section length It is too long, it can suitably increase interal separation point or adjustment interal separation point position.

In a kind of implementation, the orbit parameter and set virtual value for being also based on each track section generate section Track circuit limiting length checks table, consequently facilitating user checks which track section length is not up to standard.

For example, being based on Tables 1 and 2, available interval orbit circuit limiting length checks that table is as shown in table 7 below, in table Record each track infrastructure in each track section length (including without Zha Qiao, without tiny fragments of stone, coal, etc. tunnel, without tiny fragments of stone, coal, etc. base, have Zha Qiao, have the tiny fragments of stone, coal, etc. Tunnel, the length for having tiny fragments of stone, coal, etc. base), accounting maximum tunnel overall length (include the full tunnel of the tiny fragments of stone, coal, etc. and without the full tunnel of the tiny fragments of stone, coal, etc.), block section length (referred to as point The head of district), track section length (abbreviation section is long), track circuit limiting length (the abbreviation limit is long), go beyond the limit of length mark (abbreviation overlength mark).When track section length is greater than track circuit limiting length, " going beyond the limit of length mark position " is set " 1 ", otherwise sets " ", so as to remind user to increase interal separation point or adjustment interal separation point position.Interal separation point is excellent After changing adjustment, S101-S103 of the present invention can be executed again, and can also generate inspection table.There is tiny fragments of stone, coal, etc. railway ballast resistance value to take in table 7 3.0, Class1 7 indicates section by semaphore or marker board, and Class1 5 indicates interval orbit circuit cut-point.

Table 7

Corresponding with above-mentioned embodiment of the method, the embodiment of the present invention also provides a kind of track circuit limiting length calculating dress It sets.

Referring to Fig. 3, Fig. 3 is a kind of track circuit limiting length computing device provided by the embodiment of the present invention, the dress It sets and includes:

Using the embodiment of the present invention, whole process is unified and has standardized the calculating of the track circuit limiting length of track section Process, without relying on artificial experience value, no matter how Fu Za track section can be handled quickly, effectively improve calculating Accuracy rate and efficiency.

The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of track circuit limiting length calculation method, which is characterized in that the described method includes:

It obtains semaphore mileometer, bridge tunnel non-fragment orbit mileometer, have tiny fragments of stone, coal, etc. railway ballast resistance and track circuit limiting length parameter list； The semaphore mileometer is used to store the mileage information of each signaling point；The bridge tunnel non-fragment orbit mileometer is for storing each rail The mileage information of road foundation structure；The track circuit limiting length parameter list is for storing each track infrastructure different pre- Track limiting length under the conditions of if；

According to the semaphore mileometer and the bridge tunnel non-fragment orbit mileometer, the orbit parameter of each track section is calculated； The orbit parameter includes non-fragment orbit parameter and Ballast track parameter；

For each track section, the non-fragment orbit parameter based on the track circuit limiting length parameter list He the track section Determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the track circuit limiting length parameter list, described there is tiny fragments of stone, coal, etc. railway ballast resistance There is tiny fragments of stone, coal, etc. limiting length with what the Ballast track parameter of the track section determined the track section；By the track section without the tiny fragments of stone, coal, etc. limit Length and there is track circuit limiting length of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section.

2. the method according to claim 1, wherein each track infrastructure includes tiny fragments of stone, coal, etc. roadbed, has the tiny fragments of stone, coal, etc. Bridge, have tiny fragments of stone, coal, etc. tunnel, without tiny fragments of stone, coal, etc. roadbed, without tiny fragments of stone, coal, etc. bridge and without tiny fragments of stone, coal, etc. tunnel；The Ballast track parameter includes tiny fragments of stone, coal, etc. roadbed length, has Tiny fragments of stone, coal, etc. bridge length, the overall length for thering is tiny fragments of stone, coal, etc. length of tunnel and the track section to there is the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have tiny fragments of stone, coal, etc. tunnel；Institute State non-fragment orbit parameter include no tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and the track section without tiny fragments of stone, coal, etc. tunnel Middle overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel；

The track section is determined based on the non-fragment orbit parameter of the track circuit limiting length parameter list He the track section Without tiny fragments of stone, coal, etc. limiting length, comprising: by the track section without tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and the rail Road section is assigned to current roadbed length, when front axle beam is long without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel respectively Degree, current tunnel length and accounting maximum tunnel overall length；The track circuit limiting length parameter list is read, each condition ginseng is obtained Number；Track limiting length computing module is called, the track limiting length computing module is obtained and is based on current roadbed length, current Bridge length, current tunnel length, accounting maximum tunnel overall length and each conditional parameter return without tiny fragments of stone, coal, etc. limiting length, as the rail Road section without tiny fragments of stone, coal, etc. limiting length；

Based on the track circuit limiting length parameter list, the Ballast track parameter for having tiny fragments of stone, coal, etc. railway ballast resistance and the track section Determine the track section has tiny fragments of stone, coal, etc. limiting length, comprising: having the track section tiny fragments of stone, coal, etc. roadbed length, have tiny fragments of stone, coal, etc. bridge length, have Tiny fragments of stone, coal, etc. length of tunnel and the track section have the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have the overall length in tiny fragments of stone, coal, etc. tunnel to be assigned to current roadbed respectively Length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit limiting length parameter Table obtains each conditional parameter；Track limiting length computing module is called, the track limiting length computing module is obtained and is based on working as Preceding roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length, each conditional parameter and the road You Zha What tiny fragments of stone, coal, etc. resistance returned has tiny fragments of stone, coal, etc. limiting length, has tiny fragments of stone, coal, etc. limiting length as the track section.

3. according to the method described in claim 2, it is characterized in that, the track limiting length computing module in the following manner Obtain no tiny fragments of stone, coal, etc. limiting length:

Based on resulting current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length and each condition Parameter determines tunnel locating for roadbed condition locating for current roadbed length, bridge condition, current tunnel length locating for current bridge length Road condition；

The track circuit limiting length parameter list is searched, the road locating for current roadbed length in the case where presetting without tiny fragments of stone, coal, etc. railway ballast resistance is obtained The corresponding roadbed limiting length of base condition, the corresponding bridge of bridge condition locating for current bridge length in the case where presetting without tiny fragments of stone, coal, etc. railway ballast resistance Beam limiting length, the corresponding tunnel limiting length of if tunnel conditions locating for current tunnel length in the case where presetting without tiny fragments of stone, coal, etc. railway ballast resistance, will Resulting roadbed limiting length, bridge limiting length, the smaller in tunnel limiting length are as no tiny fragments of stone, coal, etc. limiting length.

4. according to the method described in claim 2, it is characterized in that, the track limiting length computing module in the following manner Obtain tiny fragments of stone, coal, etc. limiting length:

The track circuit limiting length parameter list is searched, obtains having road locating for current roadbed length under tiny fragments of stone, coal, etc. railway ballast resistance described The corresponding roadbed limiting length of base condition has the corresponding bridge of bridge condition locating for current bridge length under tiny fragments of stone, coal, etc. railway ballast resistance described Beam limiting length has the corresponding tunnel limiting length of if tunnel conditions locating for current tunnel length under tiny fragments of stone, coal, etc. railway ballast resistance described, will Resulting roadbed limiting length, bridge limiting length, the smaller in tunnel limiting length are as there is tiny fragments of stone, coal, etc. limiting length.

5. the method according to claim 3 or 4, which is characterized in that each conditional parameter includes roadbed preset value, first Bridge preset value, the second bridge preset value, the first tunnel preset value, the second tunnel preset value and third tunnel preset value, track Preset condition in circuit limiting length parameter list includes default roadbed condition, the first default bridge condition, the second default bridge Condition, the first default if tunnel conditions, the second default if tunnel conditions and third preset if tunnel conditions；It is long based on resulting current roadbed Degree, current bridge length, current tunnel length, accounting maximum tunnel overall length and each conditional parameter determine current roadbed length institute Locate bridge condition locating for roadbed condition, current bridge length, if tunnel conditions locating for current tunnel length, comprising:

If resulting current bridge length is greater than the first bridge preset value, judge whether current bridge length is pre- less than the second bridge If value, if the bridge condition locating for current bridge length that determines is the first default bridge condition less than the second bridge preset value；If no Less than the second bridge preset value, the bridge condition locating for current bridge length that determines is the second default bridge condition；

If resulting current tunnel length is greater than the first tunnel preset value, judge whether current tunnel length is pre- less than the second tunnel If value, if determining that if tunnel conditions locating for current tunnel length are the first default if tunnel conditions less than the second tunnel preset value；If no Less than the second tunnel preset value, judge whether the accounting maximum tunnel overall length of the track section is less than third tunnel preset value, if Less than third tunnel preset value, determine that if tunnel conditions locating for current tunnel length are the second default if tunnel conditions；If not less than the Three tunnel preset values determine that if tunnel conditions locating for current tunnel length are that third presets if tunnel conditions.

6. the method according to claim 1, wherein the orbit parameter includes track section length, the side Method further include:

For each track section, judge whether the track section length of the track section is greater than the track circuit of the track section Limiting length, if more than the length mark position that goes beyond the limit of that the track section is arranged is virtual value, and generates prompt information.

7. according to the method described in claim 6, it is characterized in that, whether big in the track section length for judging the track section After the track circuit limiting length of the track section, the method also includes:

Orbit parameter and set virtual value based on each track section generate section track circuit limiting length and check table.

8. the method according to claim 1, wherein each signaling point includes home signal, reversely enters the station Semaphore, reversed exit signal, passes through semaphore and cut-point at exit signal, with pre- in the semaphore mileometer If passing through semaphore, the cut-point described in default second identifier value unique identification described in first identifier value unique identification.

9. a kind of track circuit limiting length computing device, which is characterized in that described device includes:

Module is obtained, for obtaining semaphore mileometer, bridge tunnel non-fragment orbit mileometer, having tiny fragments of stone, coal, etc. railway ballast resistance and track circuit pole Limit for length's degree parameter list；The semaphore mileometer is used to store the mileage information of each signaling point；The bridge tunnel non-fragment orbit mileage Table is used to store the mileage information of each track infrastructure；The track circuit limiting length parameter list is for storing each track base Track limiting length of the plinth structure under different preset conditions；

Computing module, for calculating each track regions according to the semaphore mileometer and the bridge tunnel non-fragment orbit mileometer The orbit parameter of section；The orbit parameter includes non-fragment orbit parameter and Ballast track parameter；

Determining module, for being directed to each track section, based on the track circuit limiting length parameter list and the track section Non-fragment orbit parameter determine the track section without tiny fragments of stone, coal, etc. limiting length；Based on the track circuit limiting length parameter list, institute What the Ballast track parameter for stating tiny fragments of stone, coal, etc. railway ballast resistance and the track section determined the track section has tiny fragments of stone, coal, etc. limiting length；By the track Section without tiny fragments of stone, coal, etc. limiting length and having track circuit limiting length of the smaller in tiny fragments of stone, coal, etc. limiting length as the track section.

10. device according to claim 9, which is characterized in that each track infrastructure includes tiny fragments of stone, coal, etc. roadbed, has the tiny fragments of stone, coal, etc. Bridge, have tiny fragments of stone, coal, etc. tunnel, without tiny fragments of stone, coal, etc. roadbed, without tiny fragments of stone, coal, etc. bridge and without tiny fragments of stone, coal, etc. tunnel；The Ballast track parameter includes tiny fragments of stone, coal, etc. roadbed length, has Tiny fragments of stone, coal, etc. bridge length, the overall length for thering is tiny fragments of stone, coal, etc. length of tunnel and the track section to there is the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have tiny fragments of stone, coal, etc. tunnel；Institute State non-fragment orbit parameter include no tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without tiny fragments of stone, coal, etc. length of tunnel and the track section without tiny fragments of stone, coal, etc. tunnel Middle overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel；

The determining module is determined based on the non-fragment orbit parameter of the track circuit limiting length parameter list and the track section The track section without tiny fragments of stone, coal, etc. limiting length, specifically: by the track section without tiny fragments of stone, coal, etc. roadbed length, without tiny fragments of stone, coal, etc. bridge length, without the tiny fragments of stone, coal, etc. It is long that length of tunnel and the track section without overall length of the maximum target of accounting without tiny fragments of stone, coal, etc. tunnel in tiny fragments of stone, coal, etc. tunnel are assigned to current roadbed respectively Degree, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit limiting length parameter Table obtains each conditional parameter；Track limiting length computing module is called, the track limiting length computing module is obtained and is based on working as Preceding roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length and each conditional parameter return without tiny fragments of stone, coal, etc. pole Limit for length's degree, as the track section without tiny fragments of stone, coal, etc. limiting length；

The determining module based on the track circuit limiting length parameter list, described have tiny fragments of stone, coal, etc. railway ballast resistance and the track section What Ballast track parameter determined the track section has tiny fragments of stone, coal, etc. limiting length, specifically: having the track section tiny fragments of stone, coal, etc. roadbed length, have Tiny fragments of stone, coal, etc. bridge length has tiny fragments of stone, coal, etc. length of tunnel and the track section to have the maximum target of accounting in tiny fragments of stone, coal, etc. tunnel to have the overall length in tiny fragments of stone, coal, etc. tunnel to distinguish It is assigned to current roadbed length, current bridge length, current tunnel length and accounting maximum tunnel overall length；Read the track circuit Limiting length parameter list obtains each conditional parameter；Track limiting length computing module is called, the track limiting length meter is obtained It calculates module and is based on current roadbed length, current bridge length, current tunnel length, accounting maximum tunnel overall length, each conditional parameter With it is described have tiny fragments of stone, coal, etc. railway ballast resistance return have tiny fragments of stone, coal, etc. limiting length, have tiny fragments of stone, coal, etc. limiting length as the track section.