CN114606809A - Construction temporary beam for replacing railway track under non-stop condition and construction method - Google Patents
Construction temporary beam for replacing railway track under non-stop condition and construction method Download PDFInfo
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- CN114606809A CN114606809A CN202210212629.7A CN202210212629A CN114606809A CN 114606809 A CN114606809 A CN 114606809A CN 202210212629 A CN202210212629 A CN 202210212629A CN 114606809 A CN114606809 A CN 114606809A
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- 238000010276 construction Methods 0.000 title claims abstract description 58
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 67
- 241001669679 Eleotris Species 0.000 claims description 11
- 239000003351 stiffener Substances 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 18
- 210000001503 joint Anatomy 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
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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
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
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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
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
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Abstract
The utility model relates to a just roof beam and construction method are just under being used for not shutting down to change railway rails's construction under the condition, relate to the field of railway construction, be used for not shutting down to change railway rails's just roof beam includes support, a plurality of longerons and a plurality of crossbeam under the condition construction, place on the longeron at the both ends of crossbeam, the reinforcement that is used for supporting the rail is all installed with the both sides of rail contact position to the crossbeam, and the track road bed is offered and is used for placing the standing groove of crossbeam, the standing groove is close to in the both sides of rail all are provided with the strengthening groove, install in the strengthening groove and be used for supporting the backup pad of reinforcement. This application has the effect of ensureing railway load intensity to convenient operation promotes staff construction strength, also can be to crossbeam, support and longeron recycle simultaneously, accords with green energy-concerving and environment-protective construction theory.
Description
Technical Field
The application relates to the field of railway construction, in particular to a construction temporary beam for replacing a railway track under the condition of no outage and a construction method.
Background
At present, with the rapid development of domestic economy, railway traffic plays a role in lifting weight in daily work and life of people, so the requirement on railways is higher and higher, the problem of base damage in the use process of a tunnel is solved, the axle weight of a locomotive needs to be increased to treat the base damage of the tunnel in order to improve the railway carrying capacity, the most fundamental solution is to replace a ballast track in the tunnel with a ballastless track, the railway carrying capacity can be improved, and the problem of base damage in the track can be reduced.
The present chinese patent with patent publication No. CN106758590A proposes a construction temporary beam and a construction method for replacing a railway track without stopping operation, the construction temporary beam is used for being disposed at a track to be replaced, and includes: the roadbed beam comprises roadbed beam supports, longitudinal beams, cross beams and track supporting assemblies; in the installation state, the roadbed beam supports are arranged below a roadbed surface of a track to be replaced, longitudinal beams are arranged on two sides of the railway track respectively, each longitudinal beam is erected between the adjacent roadbed beam supports along the direction of the railway track, a plurality of cross beams which are parallel to each other are erected between the longitudinal beams, and the cross beams and the longitudinal beams are detachably fixed; a rail support assembly is disposed between the cross beam and the rail to secure the rail to the cross beam. And supporting the steel rail at the position of the track to be replaced by a temporary beam through construction so as to meet the normal operation of the train under the load condition. After the steel rails are supported, in the window-opening time, the original track facilities are dismantled, the track facilities of the ballastless track are laid, and the construction temporary beam is finally dismantled, so that the railway track replacement under the condition of no stop is realized, and the method is safe, stable and efficient.
In view of the above-mentioned related technologies, the inventor believes that when a cross beam is installed, a lateral groove needs to be excavated between sleepers, and the support strength of the sleepers is relatively weakened, so that the support strength of the sleepers on a rail is affected, and the defect that the support strength of the sleepers on the rail is affected exists.
Disclosure of Invention
In order to solve the problem that the supporting strength of the rail is not enough, the application provides a construction temporary beam and a construction method for replacing the rail track under the condition of no stop.
The application provides a just roof beam of construction for changing railway rails under the condition of not shutting down adopts following technical scheme:
the utility model provides a just roof beam of construction for not having changed railway rails under the condition of cutting off the transit, includes support, a plurality of longerons and a plurality of crossbeam, place on the longeron at the both ends of crossbeam, the reinforcement that is used for supporting the rail is all installed with rail contact position's both sides to the crossbeam, and the track road bed is offered and is used for placing the standing groove of crossbeam, the standing groove is close to in the both sides of rail all are provided with the strengthening groove, install in the strengthening groove and be used for supporting the backup pad of reinforcement.
Through adopting above-mentioned technical scheme, place the road bed below at former rail with the support, then place the longeron on the support, open earlier and dig transverse groove and strengthening groove between laying the crossbeam, install the crossbeam in the transverse groove to tamp strengthening groove bottom, lay the backup pad again, the reinforcement in the backup pad supports the rail, and then realize that reinforcement and crossbeam mutually support and support the rail, ensure the effect to rail support strength.
Optionally, the reinforcing member is a jack, the jack is placed on the supporting plate, and a stressed end of the jack is abutted to the bottom surface of the rail.
By adopting the technical scheme, the jack supports the bottom surface of the rail and is used for increasing the load strength of the rail.
Optionally, the reinforcement is a concrete block, the block and the support plate are integrally arranged, the upper surface of the block is abutted to the rail, and a fixing mechanism convenient to mount is arranged between the cross beam and the reinforcement.
Through adopting above-mentioned technical scheme, the building block is used for supporting the rail, and is fixed with crossbeam and building block through fixed establishment, and then realizes that building block and crossbeam support the rail together, guarantees the load strength of rail.
Optionally, the fixing mechanism comprises a threaded rod, a fixing rod and an anchoring assembly connected with the building block, the threaded rod is connected with the anchoring assembly, the fixing rod is fixedly connected with the cross beam, a threaded sleeve slides on the fixing rod sleeve, the threaded sleeve is in threaded connection with the threaded rod, and a clamping assembly is arranged between the fixing rod and the threaded sleeve.
Optionally, the joint subassembly includes joint ring and butt dish, the joint ring with the thread bush is kept away from in the one end fixed connection of threaded rod, the butt dish with the dead lever is close to in the one end fixed connection of threaded rod, the joint ring cover is located outside the dead lever, the joint ring with the butt dish butt.
Through adopting above-mentioned technical scheme, with the tip butt of butt joint dish and threaded rod, drive thread bush and threaded rod threaded connection this moment, the thread bush drives joint ring towards butt dish direction motion, when joint ring and butt dish butt, under the effect of dragging of threaded rod and thread bush threaded connection and joint ring and butt dish this moment, realizes the effect of fixing firmly between dead lever and the threaded rod, and then is convenient for realize that the building block is fixed with the crossbeam.
Optionally, the anchoring assembly includes a sliding cylinder, an external expansion assembly for reinforcing the connection strength between the threaded rod and the building block, and a limiting member, the sliding cylinder slides outside the threaded rod, and the limiting member is used for limiting the external expansion angle of the external expansion assembly.
Through adopting above-mentioned technical scheme, the smooth section of thick bamboo is used for increasing the outer angle that expands of expanding the subassembly outward to the locating part is used for restricting the outer angle that expands of expanding the subassembly outward, realizes the fixed firm effect of threaded rod and building block.
Optionally, the external expanding assembly comprises a first reinforcing rod and a second reinforcing rod, one end of the first reinforcing rod is hinged to the outer wall of the sliding cylinder, the other end of the first reinforcing rod is hinged to one end of the second reinforcing rod, and the other end of the second reinforcing rod is hinged to the bottom end of the threaded rod.
Through adopting above-mentioned technical scheme, when the slide cartridge takes place to slide, swing takes place outwards for first stiffener and second stiffener, and then increases the stability of being connected between building block and the threaded rod.
Optionally, the limiting member and the threaded rod are fixedly connected with a limiting ring, and the limiting ring and the sliding cylinder are close to one end of the first reinforcing rod in an abutting mode.
Through adopting above-mentioned technical scheme, when the slide cartridge slides to when with the spacing ring butt, first stiffener and second stiffener expand to the maximum angle outward this moment.
The construction method for replacing the construction temporary beam of the railway track under the condition of no stop adopts the following technical scheme:
a construction method for replacing a construction temporary beam of a railway track under the condition of no shutdown comprises the following steps:
s1, determining technical parameters of the construction temporary beam and erecting a support; after determining the technical parameters of the construction temporary beam, placing the support under the roadbed surface of the track to be replaced;
s2, mounting longitudinal beams and excavating transverse grooves, placing the two longitudinal beams on a support, and excavating the transverse grooves and reinforcing grooves in adjacent sleeper components;
s3, mounting a cross beam and supporting a rail, wherein the cross beam is erected between two longitudinal beams, the supporting plate is placed after the bottom surface of the reinforcing groove is leveled, and the rail is supported by pouring building blocks, and the cross beam and the building blocks are connected through a fixing mechanism;
s4, fastening the longitudinal beams and the transverse beams and the rails;
s5, replacing the ballastless track, dismantling the original sleeper, removing all broken stones of the track bed replacing section and transporting away, installing a track slab concrete base template, pouring concrete, and paving the track slab after the track slab base has certain strength.
Optionally, in S3, a jack may be placed on the supporting plate to support the rail.
By adopting the technical scheme, according to the conditions of the railway track, including the environment to which the track belongs and the conditions of the track, the technical parameters of the construction temporary beam comprise: length, width of a longitudinal beam and a transverse beam of the construction temporary beam, and size of the support; after determining the technical parameters of the construction temporary beam, placing the support under the roadbed surface of the track to be replaced; placing the two longitudinal beams on a support, excavating a transverse groove and a reinforcing groove in the adjacent sleeper component, wherein the length direction of the transverse groove is parallel to the length direction of the original sleeper, and the reinforcing groove is communicated with the transverse groove; the cross beam is erected between the two longitudinal beams, the supporting plate is placed after the bottom surface of the reinforcing groove is leveled, the jack is placed on the supporting plate to support the rail, or the cross beam and the building block are connected through the fixing mechanism, the cross beam is in threaded connection with the threaded rod through the threaded sleeve, the clamping ring is in butt joint with the butt joint disc, the fixing effect between the fixing rod and the threaded rod is achieved, meanwhile, the first reinforcing rod and the second reinforcing rod are driven to expand outwards through the sliding barrel, the externally expanded assembly and the supporting plate support the enclosing plate, then concrete pouring is started, and the rail is supported after the building block maintenance is completed; fixing the longitudinal beam and the cross beam through bolts, and fastening the cross beam and the rail through steel rail elastic strip fasteners; demolish original sleeper, dig out and change the whole rubbles of railway roadbed paragraph and transport away, installation track slab concrete base template, the pouring concrete, treat track slab base have certain intensity after, lay the track board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. placing a support under a roadbed of an original rail, then placing longitudinal beams on the support, digging transverse grooves and reinforcing grooves between the cross beams, installing the cross beams in the transverse grooves, tamping the bottoms of the reinforcing grooves, then laying a support plate, and supporting the rail by the reinforcing parts on the support plate, so that the rail is supported by the reinforcing parts and the cross beams in a mutual matching manner, and the effect of supporting strength of the rail is ensured;
2. with the tip butt of butt joint dish and threaded rod, drive thread bush and threaded rod threaded connection this moment, the thread bush drives joint ring and moves towards butt joint dish direction, when joint ring and butt joint dish butt, under the effect of dragging of threaded rod and thread bush threaded connection and joint ring and butt joint dish this moment, realizes the effect of fixing firmly between dead lever and the threaded rod.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 2 is a schematic view of a cross rail, a reinforcing member, and an anchor assembly according to one embodiment of the present disclosure;
FIG. 3 is a schematic view of a fixation rod, a threaded rod, a fixation mechanism, and an anchor assembly according to one embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a second embodiment of the present application;
FIG. 5 is a process flow diagram of example three of the present application.
Reference numerals: 1. a support; 2. a stringer; 3. a cross beam; 4. a placement groove; 5. a support plate; 6. a jack; 7. building blocks; 8. a threaded rod; 9. fixing the rod; 10. a snap ring; 11. a butting tray; 12. an outward expansion assembly; 13. a first reinforcement bar; 14. a second reinforcement bar; 15. a limiting ring; 16. a slide cylinder; 17. a reinforcement; 18. a rail; 19. a reinforcing groove; 20. and (4) a threaded sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example one
The embodiment of the application discloses a construction temporary beam for replacing a railway track under the condition of no shutdown. Referring to fig. 1 and 2, the construction beam for replacing the railway track under the condition of non-stop operation comprises a support 1, two longitudinal beams 2 and a plurality of cross beams 3 arranged in parallel, the cross beams 3 and an original sleeper are arranged in a staggered mode, two ends of each cross beam 3 are placed on the longitudinal beams 2, the cross beams 3 are used for carrying out load support on a rail 18, a placing groove 4 used for placing the cross beams 3 is formed in a track roadbed, the cross beams 3 are placed along the length direction of the placing groove 4, the width size of the placing groove 4 is larger than that of the cross beams 3, and the cross beams 3 are convenient to install.
Referring to fig. 1 and 2, in order to support the rail 18, reinforcing grooves 19 are respectively arranged on two sides of the placing groove 4 close to the rail 18, the reinforcing grooves 19 are communicated with the placing groove 4, reinforcing parts 17 for supporting the rail 18 are respectively arranged on two sides of the contact position of the cross beam 3 and the rail 18, a supporting plate 5 for supporting the reinforcing parts 17 is arranged in each reinforcing groove 19, the supporting plate 5 is used for providing a supporting platform for the reinforcing parts 17, and when the cross beam 3 is installed, the reinforcing parts 17 are used for supporting the rail 18, so that the normal running of a train on the rail 18 is further ensured; the reinforcing part 17 is a concrete block 7, the block 7 and the support plate 5 are integrally arranged, the upper surface of the block is abutted against the rail 18, and a fixing mechanism convenient to mount is arranged between the cross beam 3 and the reinforcing part 17 to achieve the effect of jointly supporting the rail 18 between the block 7 and the cross beam 3.
Referring to fig. 2 and 3, the fixing mechanism includes a threaded rod 8, a fixing rod 9 and an anchor assembly connected with the building block 7, the threaded rod 8 is connected with the anchor assembly, the fixing rod 9 is fixedly connected with the side wall of the cross beam 3, a threaded sleeve 20 slides on the fixing rod 9, the threaded sleeve 20 is in threaded connection with the threaded rod 8, a clamping assembly is arranged between the fixing rod 9 and the threaded sleeve 20, the clamping assembly includes a clamping ring 10 and a butting disc 11, the clamping ring 10 and the threaded sleeve 20 are far away from the section of the threaded rod 8, the butting disc 11 is close to one end of the fixing rod 9 near the threaded rod 8, and the clamping ring 10 is sleeved outside the fixing rod 9.
With the tip butt of butt dish 11 with threaded rod 8, drive thread bush 20 and 8 threaded connection of threaded rod this moment, thread bush 20 drives joint ring 10 and moves towards 11 directions of butt dish, when joint ring 10 and 11 butts of butt dish, under the effect of dragging of threaded rod 8 and 20 threaded connection of thread bush and joint ring 10 and butt dish 11 this moment, realize the effect of fixing firmly between dead lever 9 and the threaded rod 8, and then realize the fixed effect of crossbeam 3 and anchor subassembly.
Referring to fig. 2 and 3, the anchor assembly includes a sliding cylinder 16, an external expansion assembly 12 for reinforcing the connection strength between the threaded rod 8 and the block 7, and a limiting member, the sliding cylinder 16 slides outside the threaded rod 8, the external expansion assembly 12 includes a first reinforcing rod 13 and a second reinforcing rod 14, one end of the first reinforcing rod 13 is hinged to the outer wall of the sliding cylinder 16, the other end of the first reinforcing rod 13 is hinged to one end of the second reinforcing rod 14, the other end of the second reinforcing rod 14 is hinged to the bottom end of the threaded rod 8, the first reinforcing rod 13 is hinged to the sliding cylinder 16, the second reinforcing rod 14 is hinged to the first reinforcing rod 13, the second reinforcing rod 14 is hinged to the threaded rod 8 through a hinge shaft, and the axis direction of the hinge shaft is horizontal and is perpendicular to the axis direction of the threaded rod 8.
The locating part is used for limiting the external angle that expands of external component 12, and the locating part sets up to spacing ring 15, and spacing ring 15 and slide cartridge 16 are close to the one end butt of first stiffener 13, and when drive slide cartridge 16 moved towards threaded rod 8 bottom, first stiffener 13 and the first stiffener 14 articulated position outwards swung, when slide cartridge 16 moved to the position with spacing ring 15 butt, first stiffener 13 and the swing of second stiffener 14 to the maximum angle this moment.
At the moment, the driving support plate 5 and the reinforcing grooves 19 are reinforced to support the enclosing plates, concrete is poured towards the supporting space, after the concrete pouring is finished, the top surface of the building block 7 is enabled to be abutted against the bottom surface of the rail 18, at the moment, under the anchoring action of the first reinforcing rods 13 and the second reinforcing rods 14, the strength of connection between the cross beam 3 and the building block 7 is enhanced, the cross beam 3 and the building block 7 are enabled to support the rail 18 together, and the effect of replacing the railway track under the condition of no stop is guaranteed.
The implementation principle of the construction temporary beam and the construction method for replacing the railway track under the condition of no shutdown in the embodiment of the application is as follows: the end part of the threaded rod 8 is abutted against the abutting disc 11, the threaded sleeve 20 is driven to be in threaded connection with the threaded rod 8, when the clamping ring 10 moves to the position of the abutting disc 11, the fixing effect of the threaded rod 8 and the fixing rod 9 is achieved, the sliding cylinder 16 is pushed to move at the moment, the first reinforcing rod 13 and the second reinforcing rod 14 swing outwards, and when the sliding cylinder 16 moves to the position of the limiting ring 15, the first reinforcing rod 13 and the second reinforcing rod 14 swing to the maximum angle at the moment; supporting plate 5 and anchor subassembly are arranged the reinforcement and are strutted, and the concrete is poured after strutting the completion, and after concrete curing is accomplished, the construction to building block 7 is accomplished, and ensures the firm effect of fixing between crossbeam 3 and building block 7, realizes that crossbeam 3 and building block 7 support rail 18 jointly.
Example two
Referring to fig. 1 and 4, the second embodiment differs from the first embodiment only in that the reinforcing member 17 is provided as a jack 6, the jack 6 is placed on the supporting plate 5, the stressed end of the jack 6 abuts against the bottom surface of the rail 18, and the jack 6 is used for supporting the rail 18 and reinforcing the load strength of the rail 18.
EXAMPLE III
Referring to fig. 5, the embodiment of the present application further discloses a construction method for replacing a construction temporary girder of a railway track under a non-stop condition, and the construction method for replacing a construction temporary girder of a railway track under a non-stop condition includes the following steps:
s1, determining technical parameters of the construction temporary beam and erecting a support 1; according to the railway track condition, including the environment and the track condition of the track, the technical parameters of the construction temporary beam comprise: length, width of a longitudinal beam 2 and a transverse beam 3 of the construction temporary beam, and size of the support 1; after determining the technical parameters of the construction temporary beam, placing the support 1 below the roadbed surface of the track to be replaced;
s2, mounting the longitudinal beams 2 and excavating transverse grooves, placing the two longitudinal beams 2 on a support 1, excavating the transverse grooves and reinforcing grooves on adjacent sleeper components, wherein the length direction of the transverse grooves is parallel to that of the original sleeper, and the reinforcing grooves are communicated with the transverse grooves;
s3, installing a cross beam 3 and supporting a rail 18, erecting the cross beam 3 between two longitudinal beams 2, leveling the bottom surface of a reinforcing groove 19, placing a supporting plate 5, placing a jack 6 on the supporting plate 5 to support the rail 18, or connecting the cross beam 3 and a building block 7 through a fixing mechanism, connecting a threaded sleeve 20 with a threaded rod 8 through threads, and abutting a clamping ring 10 with an abutting disc 11 through the clamping ring, so that the fixing effect between a fixing rod 9 and the threaded rod 8 is realized, simultaneously driving a first reinforcing rod 13 and a second reinforcing rod 14 to expand outwards through a sliding barrel 16, then supporting and enclosing plates are carried out on an externally expanded assembly 12 and the supporting plate 5, then pouring concrete is started, and the rail 18 is supported after the maintenance of the building block 7 is completed;
s4, fastening the temporary beam, fixing the longitudinal beam 2 and the transverse beam 3 through bolts, and fastening the transverse beam 3 and the rail 18 through a steel rail elastic strip fastener;
s5, replacing the ballastless track, dismantling the original sleeper, removing all broken stones of the track bed replacing section and transporting away, installing a track slab concrete base template, pouring concrete, and paving the track slab after the track slab base has certain strength.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a just roof beam of construction for changing railway rails under the condition of not shutting down which characterized in that: including support (1), a plurality of longerons (2) and a plurality of crossbeam (3), place on longeron (2) at the both ends of crossbeam (3), reinforcement (17) that are used for supporting rail (18) are all installed with rail (18) contact position's both sides in crossbeam (3), and the track road bed is offered and is used for placing standing groove (4) of crossbeam (3), standing groove (4) are close to in the both sides of rail (18) all are provided with strengthening groove (19), install in strengthening groove (19) and be used for supporting backup pad (5) of reinforcement (17).
2. The construction beam for replacing a railroad track without shutdown as in claim 1, wherein: the reinforcing piece (17) is set to be a jack (6), the jack (6) is placed on the supporting plate (5), and the stress end of the jack (6) is abutted to the bottom surface of the rail (18).
3. The construction beam for replacing a railroad track without shutdown as in claim 1, wherein: the reinforcing piece (17) is a building block (7) made of concrete, the building block (7) and the supporting plate (5) are integrally arranged, the upper surface of the building block is abutted to a rail (18), and a fixing mechanism convenient to mount is arranged between the cross beam (3) and the reinforcing piece (17).
4. The construction beam for replacing a railroad track without shutdown as in claim 3, wherein: the fixing mechanism comprises a threaded rod (8), a fixing rod (9) and an anchoring assembly connected with the building block (7), the threaded rod (8) is connected with the anchoring assembly, the fixing rod (9) is fixedly connected with the cross beam (3), a threaded sleeve (20) is arranged on the fixing rod (9) in a sleeved mode and slides, the threaded sleeve (20) is connected with the threaded rod (8) in a threaded mode, and a clamping assembly is arranged between the fixing rod (9) and the threaded sleeve (20).
5. The construction beam for replacing a railroad track without shutdown as in claim 4, wherein: the joint subassembly includes joint ring (10) and butt flange (11), joint ring (10) with thread bush (20) keep away from in the one end fixed connection of threaded rod (8), butt flange (11) with dead lever (9) are close to in the one end fixed connection of threaded rod (8), joint ring (10) cover is located outside dead lever (9), joint ring (10) with butt flange (11) butt.
6. The construction beam for replacing a railroad track without shutdown as in claim 4, wherein: the anchor subassembly includes slide cartridge (16), strengthens threaded rod (8) with building block (7) joint strength expand subassembly (12) and locating part outward, slide cartridge (16) slide in outside threaded rod (8), the locating part is used for the restriction expand the angle outward of subassembly (12).
7. The construction beam for replacing a railroad track without shutdown as in claim 6, wherein: the external expanding component (12) comprises a first reinforcing rod (13) and a second reinforcing rod (14), one end of the first reinforcing rod (13) is hinged to the outer wall of the sliding barrel (16), the other end of the first reinforcing rod (13) is hinged to one end of the second reinforcing rod (14), and the other end of the second reinforcing rod (14) is hinged to the bottom end of the threaded rod (8).
8. The construction beam for replacing a railroad track without shutdown as in claim 7, wherein: the locating part with threaded rod (8) fixedly connected with spacing ring (15), spacing ring (15) with slide cartridge (16) are close to in the one end butt of first stiffener (13).
9. A construction method for replacing a construction temporary beam for a railway track without stopping, based on any one of claims 1 to 8, characterized in that: the method comprises the following steps:
s1, determining technical parameters of the construction temporary beam and erecting a support (1); after determining the technical parameters of the construction temporary beam, placing the support (1) below the roadbed surface of the track to be replaced;
s2, mounting longitudinal beams (2) and excavating transverse grooves, placing the two longitudinal beams (2) on a support (1), and excavating the transverse grooves and reinforcing grooves on adjacent sleeper components;
s3, installing a cross beam (3) and supporting a rail (18), erecting the cross beam (3) between two longitudinal beams (2), leveling the bottom surface of a reinforcing groove (19), placing a supporting plate (5), supporting the rail (18) by pouring building blocks (7), and connecting the cross beam (3) and the building blocks (7) through a fixing mechanism;
s4, fastening the temporary beam, namely fastening the longitudinal beam (2) and the transverse beam (3) and fastening the transverse beam (3) and the rail (18);
s5, replacing the ballastless track, dismantling the original sleeper, removing all broken stones of the track bed replacing section and transporting away, installing a track slab concrete base template, pouring concrete, and paving the track slab after the track slab base has certain strength.
10. The construction method for replacing a construction girder of a railway track without stopping the operation as claimed in claim 9, wherein: in S3, the rail (18) can be supported by placing the jack (6) on the supporting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210212629.7A CN114606809A (en) | 2022-03-05 | 2022-03-05 | Construction temporary beam for replacing railway track under non-stop condition and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210212629.7A CN114606809A (en) | 2022-03-05 | 2022-03-05 | Construction temporary beam for replacing railway track under non-stop condition and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN114606809A true CN114606809A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210212629.7A Pending CN114606809A (en) | 2022-03-05 | 2022-03-05 | Construction temporary beam for replacing railway track under non-stop condition and construction method |
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| CN110195381A (en) * | 2019-05-30 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Non-fragment orbit lifting method |
| CN112982045A (en) * | 2021-01-08 | 2021-06-18 | 中铁上海工程局集团(苏州)轨道交通科技研究院有限公司 | Transformation method for swing supporting block of viaduct train of subway operation line |
| CN214938857U (en) * | 2021-03-23 | 2021-11-30 | 北京城建设计发展集团股份有限公司 | Rail laying transition device for limiting sleeper at urban rail transit communication channel |
| CN113818452A (en) * | 2021-10-25 | 2021-12-21 | 广东颐和建设有限公司 | Municipal road pipeline protection structure and construction method thereof |
| CN215948178U (en) * | 2021-09-22 | 2022-03-04 | 武汉武建机械施工有限公司 | Pile body defect part reinforcing structure of large-diameter cast-in-place pile |
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| CN112982045A (en) * | 2021-01-08 | 2021-06-18 | 中铁上海工程局集团(苏州)轨道交通科技研究院有限公司 | Transformation method for swing supporting block of viaduct train of subway operation line |
| CN214938857U (en) * | 2021-03-23 | 2021-11-30 | 北京城建设计发展集团股份有限公司 | Rail laying transition device for limiting sleeper at urban rail transit communication channel |
| CN215948178U (en) * | 2021-09-22 | 2022-03-04 | 武汉武建机械施工有限公司 | Pile body defect part reinforcing structure of large-diameter cast-in-place pile |
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