CN108374297A - Business Line tunnel, bridge section concrete sleeper swap method - Google Patents
Business Line tunnel, bridge section concrete sleeper swap method Download PDFInfo
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- CN108374297A CN108374297A CN201810120021.5A CN201810120021A CN108374297A CN 108374297 A CN108374297 A CN 108374297A CN 201810120021 A CN201810120021 A CN 201810120021A CN 108374297 A CN108374297 A CN 108374297A
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- sleeper
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/06—Transporting, laying, removing or renewing sleepers
- E01B29/09—Transporting, laying, removing or renewing sleepers under, or from under, installed rails
- E01B29/10—Transporting, laying, removing or renewing sleepers under, or from under, installed rails for inserting or removing sleepers
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- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of Business Line tunnel, bridge section concrete sleeper swap methods, are related to railway in operation tunnel, bridge location and replace concrete sleeper domain technology field.The Business Line tunnel, bridge section concrete sleeper swap method, including unloading pillow, preparation of construction, having bad luck sleeper, push sleeper box railway ballast aside, unload fastener, the old pillow of extraction, leveling railway roadbed, penetrate new pillow, fastener for installing, backfill railway ballast, raise track, make whole thin, installation anti-creep equipment and rail square bar firm by ramming, recycling old material, check and accept and open, check trimming.This programme utilizes tunnel of the train by sleeper to be replaced, and will newly rest the head on and be transported by the train, and new sleeper is discharged at tunnel both ends respectively, and forward be placed in track both sides by hand haulage and by the sleeper unloaded, the quantity of both sides sleeper is than 3:2, facilitate worker from both sides while going into operation, intersect and replace, pillow efficiency is changed in raising.
Description
Technical field
The present invention relates to railway in operation tunnel, bridge locations to replace concrete sleeper field, more particularly to a kind of business
Threaded list road, bridge section concrete sleeper swap method.
Background technology
With the fast development of China's economy, transportation demand amount is significantly increasing, especially to railway transportation demand
Increase severely, causes railway transport capacity and shipping mass that far can not meet the needs of socio-economic development is to railway transportation.Its
In, a collection of single-track railway built the seventies and eighties in last century cannot meet Operational requirements.Therefore it needs through transformation both
The modes such as wired, increase two wires improve capacity.
The existing line being transformed is needed as shown in Figure 1, including roadbed 1, track 3 and supporting track on roadbed 1
3 and along 3 length direction of track setting sleeper 4.It is connected by connection component 5 between track 3 and sleeper 4, connection component 5 plays
Positioning, the effect of buffering, generally include spring washer, bolt, iron seat, rubber cushion, headblock piece etc..Between adjacent sleeper 4 with both sides
The rectangular space that track 3 is constituted is crib 6.It is uniformly equipped with railway ballast 2 on roadbed 1 and crib 6.Usually in 1 liang of roadbed
Side has gutter, gutter open top to be covered by ditch cover board along 3 length direction equipment of track.Wherein, roadbed 1, railway ballast
2 and sleeper 4 constitute railway roadbed.
When being substituted to Business Line concrete crosstie, when circuit of doing business is located in tunnel or when the narrow locations such as bridge, one
A little large scale equipments can not be applied, it is therefore desirable to could complete to replace the task of sleeper by manually cooperating with equipment.Therefore
In order to ensure construction safety, a kind of narrow location of railway tunnel and bridge etc. under the conditions of operating line is needed to replace the side of sleeper
Method.
Invention content
The technical problem to be solved by the present invention is to, the shortcomings that overcoming the prior art, a kind of Business Line tunnel, bridge are provided
Section concrete sleeper replacement method, in a limited space in by manually completing sleeper with working in coordination for equipment and substituting work
Make.
In order to solve the above technical problems, a kind of Business Line tunnel of present invention offer, the bridge section concrete sleeper side of substituting
Method, including,
Pillow is unloaded, in advance unloads sleeper to the both sides ditch side of tunnel both ends roadbed section, put neat and is anchored；
Preparation of construction, first the position of determining " enabling ", the anti-creep equipment and tie rod that influence operation are removed or are removed, root
It is marked on rail web according to design sleeper position paint, the railway roadbed that replace section before " skylight point " to track is sprinkled water, together
When install temporary lighting equipment, according to replace section railway roadbed hardened or degree of fouling, with mend tiny fragments of stone, coal, etc. vehicle supplement railway ballast；
Sleeper is had bad luck, new pillow is had bad luck to tunnel with flat car or monorail trolley, sleeper is piled up circuit side three and pressed
Triangle disposition is piled up, and the other side two piles up side by side, and sleeper is tilted to tunnel side wall side, and must not fouling of clearance gauge, sleeper leans on
Gently lift is put down gently for the side of nearly ditch cover board；
It pushs sleeper box railway ballast aside, pushs the stone tiny fragments of stone, coal, etc. of sleeper one end aside, then push aside again in the crib of side and under sleeper
Railway ballast, pushing depth aside and being subject to can extract out, penetrate sleeper, and suitably extract the railway ballast in the crib of the other side close to sleeper；
Fastener is unloaded, nut is unclamped with spanner, unloads spring washer buckle, iron seat, small rubber cushion, rail is tilted with crowbar, removes
Except big rubber cushion and headblock piece；
It extracts old pillow out, old pillow is laterally dialled in the crib for removing railway ballast with crowbar, pulls out old pillow and by the old of extraction
Pillow transports outside tunnel, and in circuit both sides appointed place, pile is neat, stablizes, must not fouling of clearance gauge；
Railway roadbed is flattened, position bottom railway roadbed railway ballast will be newly rested the head on and arrange smooth-going；
New pillow is penetrated, the opening that new sleeper is located at from crib below track is penetrated, is moved using rope and crowbar
In place；
Fastener for installing first puts big rubber cushion well, new pillow is lifted, screw rod oiling, then loaded onto by spare and accessory parts erection sequence, is put just
Position checks gauge, finally upper clasp；
It backfills railway ballast, raise track, manually clean railway ballast is backfilling into sleeper box, hydraulic track jack, which raises track to design, to be marked
Height, and sleeper bottom railway ballast string is real；
It makes firm by ramming whole thin, is manually made firm by ramming with a small group of planes, made firm by ramming with to reach big machine and carry out big machine after condition and make firm by ramming, it is artificial extensive
Multiple railway ballast standard section, cleans the broken tiny fragments of stone, coal, etc. between fastener, dirt soil that will be after cleaning, manually has bad luck entrucking and is transported to and abandons Zha Chang centralized processings；
Anti-creep equipment and rail square bar are installed；
Old material is recycled, waste and scrap is collected, to be put into temporary storing place pile neat the old sleeper to get off is substituted, it is ensured that
Not fouling of clearance gauge；
Open-minded, road under personnel is checked and accepted, equipment recycles not fouling of clearance gauge, and tool technique personnel are to circuit gauge, direction, level
It measures, should meet design and code requirement, after self-test qualification, report management, construction supervision department carry out core to above-mentioned parameter
It looks into, after meeting the requirements, opens circuit, finally gone slowly according to code requirement setting, ladder speed-raising；
Check trimming, after train passes through, establishment officer carries out check trimming to circuit, confirms that circuit reaches prescribed requirement simultaneously
It makes a record.
The present invention is further arranged to：Before bridge section changes pillow, using pillow skylight point is changed, manually guard rail on bridge is removed, point
It is interior to be pushed into circuit both sides roadbed outside end of the bridge with flat car, outside safety clearance.
The present invention is further arranged to：Beam reinforcement anchors steel bracket U-bolt before exchanging bridge sleeper (4) strong
Degree, corrosion degree, damaged degree carry out site inspection, are marked in corresponding position, and carry out support reinforcement in mark.
The present invention is further arranged to：Bridge tie is placed against gear Zha Qiang along bridge length direction.
The beneficial effects of the invention are as follows：
(1), using train by the tunnel of sleeper to be replaced, it will newly rest the head on and be transported by the train before skylight point in the present invention
It is defeated, and new sleeper is discharged at tunnel both ends respectively, forward it is placed in track both sides by hand haulage and by the sleeper unloaded, two
The quantity of siding track pillow is than 3:2, facilitate worker from both sides while going into operation, intersect and replace, pillow efficiency is changed in raising；
(2) pillow is changed for bridge section in the present invention, needs first to carry out support reinforcement to bridge, is then replaced using interval,
Bridge is divided into several sections, the sleeper of bridge is replaced in batches, improves the replacement efficiency of sleeper.
Description of the drawings
Fig. 1 is background technology schematic diagram；
Fig. 2 is the schematic diagram for indicating train fortune pillow；
Fig. 3 is the schematic diagram for indicating Manual rail unloading pillow；
Fig. 4 is that embodiment 1 indicates that sleeper unloads the schematic diagram being placed at tunnel face；
Fig. 5 be embodiment 1 indicate sleeper unload close-packed array, angled manner schematic diagram；
Fig. 6 is that embodiment 1 indicates that tunnel construction sections take out old pillow schematic diagram；
Fig. 7 is that embodiment 1 indicates that tunnel construction sections flatten railway roadbed schematic diagram；
Fig. 8 is that embodiment 1 indicates that newly pillow penetrates schematic diagram to tunnel construction sections；
Fig. 9 is that embodiment 1 indicates that old pillow extracts disposing way schematic diagram out.
Wherein：1, roadbed；2, railway ballast；3, track；4, sleeper；5, connection component；6, crib.
Specific implementation mode
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1：
A kind of Business Line tunnel construction sections concrete sleeper swap method provided in this embodiment, including,
Pillow is unloaded, in advance unloads sleeper 4 to the both sides ditch side of 1 section of tunnel both ends roadbed, put neat and is anchored；
Preparation of construction, first the position of determining " enabling ", the anti-creep equipment and tie rod that influence operation are removed or are removed, root
It is marked on 3 web of the rail of track according to design sleeper position paint, the railway roadbed that replace section before " skylight point " to track 3 is sprinkled water,
Temporary lighting equipment is installed simultaneously, according to the hardened or degree of fouling for replacing section railway roadbed, railway ballast 2 is supplemented with tiny fragments of stone, coal, etc. vehicle is mended；
Sleeper is had bad luck, new pillow is had bad luck to tunnel with flat car or monorail trolley, sleeper 4 is piled up circuit side three and pressed
Triangle disposition is piled up, and the other side two piles up side by side, and sleeper 4 is tilted to tunnel side wall side, and must not fouling of clearance gauge, sleeper 4
Close to the side of ditch cover board, gently lift is put down gently；
It pushs sleeper box railway ballast 2 aside, pushs the stone tiny fragments of stone, coal, etc. of 4 one end of sleeper aside, then push aside again in 4 box of side sleeper and 4 bottom of sleeper
Under railway ballast 2, pushing depth aside and being subject to can extract out, penetrate sleeper 4, and suitably extract in 4 box of other side sleeper close to sleeper 4
Railway ballast 2；
Fastener is unloaded, nut is unclamped with spanner, unloads spring washer buckle, iron seat, small rubber cushion, rail is tilted with crowbar, removes
Except big rubber cushion and headblock piece；
It extracts old pillow out, old pillow is laterally dialled in 4 box of sleeper for removing railway ballast 2 with crowbar, pulls out old pillow and by extraction
Old pillow transports outside tunnel, and in circuit both sides appointed place, pile is neat, stablizes, must not fouling of clearance gauge；
Railway roadbed is flattened, position bottom railway roadbed railway ballast 2 will be newly rested the head on and arrange smooth-going；
New pillow is penetrated, the opening that new sleeper 4 is located to 3 lower section of track from 4 box of sleeper penetrates, and is moved using rope and crowbar
It moves in place；
Fastener for installing first puts big rubber cushion well, new pillow is lifted, screw rod oiling, then loaded onto by spare and accessory parts erection sequence, is put just
Position checks gauge, finally upper clasp；
It backfills railway ballast 2, raise track, manually clean railway ballast 2 is backfilling into sleeper box, hydraulic track jack, which raises track to design, to be marked
Height, and sleeper bottom railway ballast 2 is gone here and there into reality；
It makes firm by ramming whole thin, is manually made firm by ramming with a small group of planes, made firm by ramming with to reach big machine and carry out big machine after condition and make firm by ramming, it is artificial extensive
Multiple 2 standard section of railway ballast, cleans the broken tiny fragments of stone, coal, etc. between fastener, dirt soil that will be after cleaning, manually has bad luck entrucking and is transported to and abandons Zha Chang centralized processings；
Anti-creep equipment and rail square bar are installed；
Old material is recycled, waste and scrap is collected, to be put into temporary storing place pile neat the old sleeper to get off is substituted, it is ensured that
Not fouling of clearance gauge；
Open-minded, road under personnel is checked and accepted, equipment recycles not fouling of clearance gauge, and tool technique personnel are to circuit gauge, direction, level
It measures, should meet design and code requirement, after self-test qualification, report management, construction supervision department carry out core to above-mentioned parameter
It looks into, after meeting the requirements, opens circuit, finally gone slowly according to code requirement setting, ladder speed-raising；
Check trimming, after train passes through, establishment officer carries out check trimming to circuit, confirms that circuit reaches prescribed requirement simultaneously
It makes a record.
Wherein,
It opens the door, refers to the railway ballast 2 for pushing 4 one end of sleeper aside；
The tiny fragments of stone, coal, etc. is taken off, refers to and pushes railway ballast 2 aside；
Skylight point, refers to certain time, and train suspends and passes through in the time, for being examined to equipment such as circuit, contact nets
It repaiies；
Crib 6 refers to the rectangular space that two sleepers are constituted with rail on track；
Railway ballast 2, refers to coarse gravel or rubble for base 1 of paving the way, and stone matter is granite；
Anti-creep equipment refers to anticreeper or anti-creeping strut；
Limit prevents locomotive Vehicular impact neighbouring in order to ensure the safety that rolling stock is run on railway line circuit
The building and equipment of circuit, and the wheel for not allowing to surmount of the building, equipment defined to rolling stock and close to circuit
Wide dimension line；
Big rubber cushion is larger or smaller compared with small rubber cushion refers to the two.
Embodiment 2：
A kind of Business Line bridge section concrete sleeper swap method provided in this embodiment, including,
Before changing pillow, using pillow skylight point is changed, manually guard rail on bridge is removed, circuit two outside end of the bridge are pushed into flat car in point
Dypass base, outside safety clearance.
Beam reinforcement, to steel bracket U-bolt anchoring strength, corrosion degree, damaged degree carries out site inspection, carries out phase
It should mark.The lateral connection of beams of concrete is checked, considers that beam body increases whether eccentric load influences its stability, need to have
Experimental result is reconnoitred by relevant unit, and takes corresponding reinforcement measure.
Wherein, forbid preloading sleeper and bridge tie on side walk slab, bridge tie must abut gear Zha Qiang along bridge to placement, be tieed up on bridge
When repairing operation or overhaul construction, it is necessary to there is special messenger to be responsible for inspection.
Regulation and reinforcing, to the steel bracket pavement of Lack of support, on the pavement center foot plank in dangerous place,
The red thick stick alert flag that width 50mm must be sprayed, in accommodation rail at 50m sprayings " forbidding preloading " red printed words one, no
At sufficient 50m sprayings one.
Steel bracket pavement should be by《Both wired beams of concrete steel bracket pavement reinforced figure》It is reinforced, and replaces carrying
Hypodynamic foot plank.
To the juxtaposition beams of concrete of no lateral connection, firm support top must be taken on the outside of beam body before the preloading of pavement
Measure, and Stability Checking is carried out according to preloading situation.The juxtaposition beams of concrete of practical bolt anchor plate lateral connection considers
The deficiency of the increase and beam body lateral connection of preloading bearing capacity needs the method for taking this beam body both sides support top sleeper to be faced
When reinforcement measure, beam body supported four end of beam body using four lumps of wood (20 × 20cm), worn using fish platee between two panels beam respectively
It inserts bolt and carries out lateral connection.
Using method construction is substituted, 500 or less the bridges for having transversely strengthening change 6 every 6；Due to being limited by fortune pillow, 500
The bridge for not carrying out transversely strengthening above and is to change 6 every 12；The old pillow same day transports outside bridge, unloads pillow, anchors, changes three construction alternatings of pillow
It carries out.It adopts this method, first, the ballast by the same day 6 sleepers to be changed is facilitated to be stacked at adjacent 6 (12) sleepers not changed
In box, is reduced to the greatest extent or forbidden toward storage ballast and old pillow on foot plank according to bracket bearing capacity appraisal；Second is that due to steel
The distance of rail outside to guardrail is 1.6m to 2m, the long 2.6m of sleeper, and sleepers can only be passed in and out among two strands of rail.
Sleeper is had bad luck on bridge, applies for skylight point after the completion of beam reinforcement, is had bad luck with flat car or monorail trolley in skylight point
To bridge, it is placed on the ballast of circuit both sides.Forbid sleeper being placed on side walk slab, to avoid danger.
It pushs sleeper box railway ballast aside, pushs the stone tiny fragments of stone, coal, etc. of sleeper one end aside, then push aside again in the crib of side and under sleeper
Railway ballast, pushing depth aside and being subject to can extract out, penetrate sleeper, and suitably extract the railway ballast in the crib of the other side close to sleeper, with
Railway ballast flows when preventing substituting sleeper.
Fastener is unloaded, nut is unclamped with spanner, unloads spring washer buckle, iron seat, small rubber cushion, rail is tilted with crowbar, removes
Except big rubber cushion and headblock piece.
It extracts old pillow out, old pillow is laterally dialled in the stone tiny fragments of stone, coal, etc. slot pulled out with crowbar, transfers to (or being pulled out with rope) old pillow,
And special messenger is sent to transport the old pillow of extraction to outside end of the bridge, in circuit both sides appointed place, pile is neat, stablizes, and must not invade limit.
Railway roadbed is flattened, the new railway roadbed for resting the head on position is slightly deep, is slightly wider than old pillow, and railway roadbed bottom should smooth out, and prevent the new pillow penetrated
It is just uneven.
New pillow is penetrated, concrete crosstie is lifted on " doorway " with concrete crosstie lift pincers, then new pillow is penetrated with rope and crowbar, is used
Crowbar is horizontal to push position.
Fastener for installing first puts big rubber cushion well, new pillow is lifted, screw rod oiling, then loaded onto by spare and accessory parts erection sequence, is put just
Position checks gauge, upper clasp.
It backfills railway ballast, raise track, manually clean railway ballast is backfilling into sleeper box, hydraulic track jack, which raises track to design, to be marked
Height, and sleeper bottom railway ballast string is real.
It makes firm by ramming whole thin, is manually made firm by ramming with a small group of planes, made firm by ramming with to reach big machine and carry out big machine after condition and make firm by ramming, it is artificial extensive
Multiple railway ballast standard section, cleans the broken tiny fragments of stone, coal, etc. between fastener, dirt soil that will be after cleaning, manually has bad luck entrucking and is transported to and abandons Zha Chang centralized processings.
Open-minded, road under personnel is checked and accepted, limit is not invaded in equipment recycling.Tool technique personnel are to circuit gauge, direction, horizontal progress
It measures, design and code requirement should be met.After self-test qualification, report management, construction supervision department verify above-mentioned parameter, accord with
It closes after requiring, opens circuit.It is gone slowly according to code requirement setting, ladder speed-raising.
Second or the remaining concrete bridge tie that do not replace of third block point replacement, repeat above step, until having replaced
At.
In addition to the implementation, the present invention can also have other embodiment；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (4)
1. a kind of Business Line tunnel, bridge section concrete sleeper swap method, it is characterised in that：Including,
Pillow is unloaded, in advance unloads sleeper (4) to the both sides ditch side of tunnel both ends roadbed (1) section, put neat and is anchored；
Preparation of construction first determines the position of " enabling ", the anti-creep equipment and tie rod that influence operation is removed or removed, according to setting
Meter sleeper position paint is marked on track (3) web of the rail, and the railway roadbed that replace section before " skylight point " to track (3) is sprinkled water,
Temporary lighting equipment is installed simultaneously, according to the hardened or degree of fouling for replacing section railway roadbed, railway ballast (2) is supplemented with tiny fragments of stone, coal, etc. vehicle is mended；
Sleeper is had bad luck, new pillow is had bad luck to tunnel with flat car or monorail trolley, sleeper (4) is piled up circuit side three and pressed
Triangle disposition is piled up, and the other side two piles up side by side, and sleeper (4) is tilted to tunnel side wall side, and must not fouling of clearance gauge, sleeper
(4) close to the side of ditch cover board, gently lift is put down gently；
It pushs sleeper box railway ballast (2) aside, pushs the stone tiny fragments of stone, coal, etc. of sleeper (4) one end aside, then push aside again in side sleeper (4) box and sleeper
(4) railway ballast (2) under, pushing depth aside and being subject to can extract out, penetrate sleeper (4), and suitably extract in other side sleeper (4) box
Close to the railway ballast (2) of sleeper (4)；
Fastener is unloaded, nut is unclamped with spanner, unloads spring washer buckle, iron seat, small rubber cushion, rail is tilted with crowbar, is removed big
Rubber cushion and headblock piece；
It extracts old pillow out, old pillow is laterally dialled in sleeper (4) box for removing railway ballast (2) with crowbar, pulls out old pillow and by extraction
Old pillow transports outside tunnel, and in circuit both sides appointed place, pile is neat, stablizes, must not fouling of clearance gauge；
Railway roadbed is flattened, position bottom railway roadbed railway ballast (2) will be newly rested the head on and arrange smooth-going；
New pillow is penetrated, the opening that new sleeper (4) is located at from sleeper (4) box below track (3) is penetrated, rope and crowbar are utilized
Movement is in place；
Fastener for installing first puts big rubber cushion well, new pillow is lifted, screw rod oiling, then loaded onto by spare and accessory parts erection sequence, puts normotopia
It sets, checks gauge, finally upper clasp；
It backfills railway ballast (2), raise track, manually clean railway ballast (2) is backfilling into sleeper box, hydraulic track jack, which raises track to design, to be marked
Height, and sleeper bottom railway ballast (2) is gone here and there in fact；
It makes firm by ramming whole thin, is manually made firm by ramming with a small group of planes, made firm by ramming with to reach big machine and carry out big machine after condition and make firm by ramming, manual reversion road
The tiny fragments of stone, coal, etc. (2) standard section, clean fastener between the broken tiny fragments of stone, coal, etc., will after cleaning dirt soil, manually have bad luck entrucking be transported to abandon Zha Chang centralized processing；
Anti-creep equipment and rail square bar are installed；
Old material is recycled, waste and scrap is collected, to be put into temporary storing place pile neat the old sleeper to get off is substituted, it is ensured that does not invade
Enter limit；
Open-minded, road under personnel is checked and accepted, fouling of clearance gauge, tool technique personnel do not carry out circuit gauge, direction, level for equipment recycling
It measures, should meet design and code requirement, after self-test qualification, report management, construction supervision department verify above-mentioned parameter, accord with
It closes after requiring, opens circuit, finally gone slowly according to code requirement setting, ladder speed-raising；
Check trimming, after train passes through, establishment officer carries out check trimming to circuit, confirms that circuit reaches prescribed requirement and carries out
Record.
2. Business Line tunnel according to claim 1, bridge section concrete sleeper swap method, it is characterised in that：Bridge
Before section changes pillow, using pillow skylight point is changed, manually guard rail on bridge is removed, circuit both sides road outside end of the bridge is pushed into flat car in point
Base, outside safety clearance.
3. Business Line tunnel according to claim 2, bridge section concrete sleeper swap method, it is characterised in that：Beam body
It reinforces, to steel bracket U-bolt anchoring strength before exchanging bridge sleeper (4), corrosion degree, damaged degree progress scene is surveyed
It looks into, is marked in corresponding position, and support reinforcement is carried out in mark.
4. Business Line tunnel according to claim 3, bridge section concrete sleeper swap method, it is characterised in that：Bridge tie
It is placed along bridge length direction against gear Zha Qiang.
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| CN201810120021.5A CN108374297B (en) | 2018-02-07 | 2018-02-07 | Business Line tunnel, bridge section concrete sleeper swap method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113005829A (en) * | 2021-04-06 | 2021-06-22 | 福建汇盛铁路重工有限公司 | Operation method for improving pillow replacement efficiency and reducing personal safety hidden danger |
| CN113152315A (en) * | 2021-03-02 | 2021-07-23 | 中铁第四勘察设计院集团有限公司 | Transverse drainage structure of general speed railway |
| CN115012262A (en) * | 2022-07-11 | 2022-09-06 | 株洲时代电子技术有限公司 | Control system of comprehensive operation vehicle |
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| CN111733638A (en) * | 2020-07-06 | 2020-10-02 | 中铁一局集团有限公司 | Railway mechanical sleeper replacement construction method based on sleeper replacement machine |
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