CN115075394A - Closed environment-friendly shed for rail transit construction and foundation maintenance method - Google Patents
Closed environment-friendly shed for rail transit construction and foundation maintenance method Download PDFInfo
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- CN115075394A CN115075394A CN202210439992.2A CN202210439992A CN115075394A CN 115075394 A CN115075394 A CN 115075394A CN 202210439992 A CN202210439992 A CN 202210439992A CN 115075394 A CN115075394 A CN 115075394A
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012423 maintenance Methods 0.000 title abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 40
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 239000012774 insulation material Substances 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34336—Structures movable as a whole, e.g. mobile home structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
Abstract
The invention discloses a closed environment-friendly shed for track traffic construction and a foundation maintenance method, and belongs to the technical field of track traffic.A used closed environment-friendly shed can prevent water from transiting and losing, can ensure maintenance of a ballastless track concrete foundation in cold weather, is convenient to assemble by adopting a prefabricated assembly, and comprises a shed body frame, shed cloth, a heat insulation material and a partition plate, wherein the shed cloth is arranged at the outer side of the shed body frame, a space for maintaining the ballastless track concrete foundation is formed in the shed cloth, the partition plate is arranged in the middle of the shed body frame at intervals, and a groove for filling the heat insulation material is arranged in the partition plate; the shed body framework comprises a plurality of arc-shaped rods, the upper ends of the arc-shaped rods are hinged with the first framework body, and the lower ends of the arc-shaped rods are hinged with the second framework body; the top end of the clapboard is connected with the first frame body.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a closed environment-friendly shed for rail transit construction and a construction method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Ballast stones are important materials in rail transit, the existing rail transit is evolved in the direction of Ballastless stones, a Ballastless Track (Ballastless Track) is a Track structure which adopts concrete, asphalt mixture and other integral foundations to replace a loose gravel Track bed, and compared with a ballast Track, the Ballastless Track avoids ballast splashing, and has the advantages of good smoothness, good stability, long service life, good durability, less maintenance work and capability of reaching more than 350 kilometers when a train runs.
The inventor finds that the requirement on the cleanliness of a construction area is high in the construction process of the ballastless stone track; in addition, after the ballastless track is built, maintenance is needed, so that the building speed and the building quality of the ballastless track are restricted.
In the prior art, for the construction protection of a ballastless track, the combined maintenance scheme of covering a concrete surface layer with geotextile water spraying, water pipe drip irrigation, thick plastic cloth covering and shed cloth covering is generally adopted, the evaporation rate is high, the construction is complicated, and the final forming quality of concrete can be influenced by construction scraps of geotextile and a dropper. In addition, the conventional curing means cannot provide a sufficient curing temperature even in an extremely severe cold environment. These all restrict the improvement of engineering efficiency and quality.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the closed environment-friendly shed for the track traffic construction and the construction method.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the technical scheme of the invention provides a closed environment-friendly shed for track traffic construction, which comprises a shed body frame, shed cloth, a heat-insulating material and a partition plate, wherein the shed cloth is arranged on the outer side of the shed body frame, a space for curing ballastless track foundation concrete bodies is formed in the shed cloth, the partition plate is arranged in the middle of the shed body frame at intervals, and a groove for filling the heat-insulating material is formed in the partition plate;
the shed body framework comprises a plurality of arc-shaped rods, the upper ends of the arc-shaped rods are hinged with the first framework body, and the lower ends of the arc-shaped rods are hinged with the second framework body; each arc-shaped rod comprises a plurality of arc-shaped sub-rods which are sequentially hinged, the arc-shaped sub-rods positioned at the end parts are hinged with telescopic parts, and the telescopic parts are fixedly connected with the first frame body or the second frame body; the arc-shaped sub-rod positioned at the end part is also provided with a bulge which can be contacted with the first frame body or the second frame body;
the top end of the clapboard is connected with the first frame body.
In a second aspect, the technical solution of the present invention further provides a method for maintaining a track traffic foundation, in which the closed environment-friendly shed for track traffic construction according to the first aspect is used, and the method includes the following steps:
assembling a shed body frame and a partition plate on the basis of a track ballastless track concrete body needing to be maintained;
adjusting the radian of the arc-shaped rod according to the specific strong crosswind condition;
covering the shed cloth to the outer side of the shed frame;
monitoring the temperature in the greenhouse, and filling a heat insulation material into the partition plate when the temperature in the greenhouse exceeds a set value;
when the concrete foundation of the ballastless track of the adjacent road section needs to be maintained, the roller positioned at the bottom of the second frame body is used for moving the closed environment-friendly shed for track traffic construction.
The technical scheme of the invention has the following beneficial effects:
1) according to the invention, the adopted closed environment-friendly shed can prevent water from transiting and losing, can ensure that the maintenance of the concrete foundation of the ballastless track is maintained in extreme weather, and is convenient to assemble by adopting prefabricated components.
2) According to the invention, aiming at the problem of strong cross wind of the viaduct, on the premise of ensuring the heat preservation performance of the shed body, the windproof and noise reduction structure is used, the shed body frame comprises the arc-shaped rod protruding outwards, the first frame body connected to the top of the arc-shaped rod and the second frame body connected to the bottom of the arc-shaped rod, and the shed covering the arc-shaped rod is distributed to form a curved surface, so that the windproof and noise reduction shed can adapt to the strong cross wind and reduce the threat of the strong cross wind to the shed body.
3) According to the invention, the adopted hinging method is hinging through the telescopic piece, so that the hinging requirement of the arc-shaped rod during bending adjustment is ensured, the integral height of the arc-shaped rod after adjustment is ensured, a certain elastic margin can be provided, and the vibration caused by strong transverse wind is reduced.
4) In the invention, the viaduct and the ordinary river-crossing bridge are different in at least two forms, namely, the viaduct is longer than the ordinary bridge and even possibly dozens of kilometers long, and the viaduct has large-scale turning, so that the ballastless track concrete foundation on the viaduct is interfered by strong crosswind, and the heat loss is large; according to the invention, the partition board fully considers the heat preservation requirement, the partition board is used for blocking the circulation of air in the internal space, the partition board can play a heat preservation role in the air in the heat preservation bin, and the prefabricated board is adopted, and the strength of the prefabricated board can be controlled, so that the prefabricated board can be used as a heat insulation board and a support piece, and can support the first frame body and the second frame body, and the arc-shaped rod is prevented from deforming.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a partial structure of the present invention except for an arc-shaped bar according to one or more embodiments,
FIG. 2 is a schematic illustration of the position of an arcuate bar and first and second frames according to one or more embodiments of the present invention;
FIG. 3 is a schematic view of a plurality of arcuate bars connecting a first frame and a second frame according to one or more embodiments of the present invention;
fig. 4 is a schematic view of an arcuate bar coupled to a first frame and a second frame in accordance with one or more embodiments of the present invention.
In the figure: 11. the device comprises a first frame body, a second frame body, a 211, a groove, a 212, a first protrusion, a 3, a partition board, a 4, a shed cloth, a 5, an arc-shaped rod, a 51, an arc-shaped sub-rod at the uppermost end, a 52, an arc-shaped sub-rod at the lowermost end, a 521, a second protrusion, a 61, a jack, a 62, a piston, a 7 and a roller.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced by the background art, aiming at the defects in the prior art, the invention aims to provide the closed environment-friendly shed for the track traffic construction and the construction method thereof.
Example 1
In a typical embodiment of the present invention, the embodiment discloses a closed environment-friendly shed for track traffic construction, which includes a shed frame, shed cloth 4, a thermal insulation material and a partition plate 3, wherein the shed cloth 4 is arranged outside the shed frame, a space for curing a ballastless track foundation concrete body is formed in the shed cloth 4, the partition plate 3 is arranged in the shed frame at a partition, and the thermal insulation material is filled in the partition plate 3. In the environment-friendly shed disclosed in the embodiment, the shed cloth 4 is made of PVC plastic-coated cloth which can be provided with base cloth and plastic on the front side and the back side outside, so that the surface is smoother and the waterproof performance is better; can be used for a plurality of times, and reduces the discharge amount of solid wastes.
The purpose of this embodiment is to maintain the ballastless track concrete foundation exposed to the external environment, and considering that the light rail track exposed to the external environment is generally laid on the viaduct, no matter a direct laying method or a track replacement laying method is adopted, the ballastless track concrete foundation needs to be constructed and maintained. The bridge deck of the viaduct is suspended, and is easily influenced by strong cross wind according to the existing practical engineering experience, so that the problems of the type should be considered when the ballastless track foundation concrete body of the viaduct deck is maintained obviously.
Further, aiming at the strong cross wind problem of the viaduct in this embodiment, under the premise of ensuring the heat preservation performance of the shed body, the windproof noise reduction structure is used, and the shed body frame comprises the arc-shaped rod 5 protruding outwards, the first frame body 11 connected to the top of the arc-shaped rod 5 and the second frame body 21 connected to the bottom of the arc-shaped rod 5.
Furthermore, the arc-shaped rod 5 is hinged to the second frame 21 and the first frame 11.
In more detail, the arc rod 5 comprises a plurality of sections, each section of the arc rod 5 is named as an arc sub-rod in the embodiment, and the arc sub-rods are sequentially hinged to form the arc rod 5 which is integrally arc-shaped.
Furthermore, for the arc-shaped sub-rod 51 located at the uppermost end or the arc-shaped sub-rod 525 located at the lowermost end, since it needs to be connected to the first frame 11 or the second frame 21 and also needs to reciprocate in the vertical direction, a movable hinge mode needs to be used, and in this embodiment, the whole canopy has a certain weight, so the adopted movable hinge includes a telescopic member installed on the first frame 11 or the second frame 21, and the telescopic member is hinged to the arc-shaped rod 5; the telescopic member has at least one telescopic end, and in order to match the movement of the telescopic end, the first frame body 11 or the second frame body 21 is provided with an auxiliary member for assisting the movement of the telescopic end, and the auxiliary member can also reduce the deformation amount of the telescopic end.
Furthermore, the telescopic member is a jack 61, and the jack 61 may be a common jack 61 or an electric jack 61.
Further, when the telescopic member is a jack 61, the piston 62 of the jack 61 is a telescopic end thereof. The first frame 11 or the second frame 21 is provided with a groove 211 for engaging the jack 61, the jack 61 is engaged in the groove 211, and the piston 62 of the jack 61 protrudes from an end surface of the first frame 11 or the second frame 21. The inner wall of the recess 211 is provided with a plurality of rollers 7 as auxiliary members.
It will be appreciated that the recess 211 is cylindrical and the curved surface of the roller 7 is able to contact the piston 62 of the jack 61.
Furthermore, the rollers 7 are provided with a plurality of rows, and the number of each row of rollers 7 is more than two.
In this embodiment, the rollers 7 are provided with 3 rows, and the central angle between two adjacent rows of rollers 7 is 120 °.
Further, in order to prevent the rotation range of the arc rod 5 from being too large, a first protrusion 212 is disposed on an end surface of the first frame 11 or the second frame 21, and a second protrusion 521 engaged with the first protrusion 212 is disposed on an end of the arc rod 5 connected to the first frame 11 or the second frame 21.
Further, the first frame 11 and the lower frame each have a trapezoidal end surface.
Further, the connection between the arc-shaped rod 5 and the telescopic rod adopts a shaft hole connection mode, specifically, the end part of the arc-shaped rod 5 is connected with a cylindrical part, and the cylindrical part is provided with a plurality of limiting plates; since the first frame body 11 or the lower frame is connected to the arc rod 5 through the telescopic member, the cylinder member is also connected to or passes through the telescopic end.
It will be appreciated that in this embodiment, since the telescopic member is a jack 61, the cylinder member passes through the end of the piston 62 of the jack 61.
It can be understood that, in the present embodiment, both sides of the frame body include a plurality of arc rods 5, and the number of the arc rods 5 is the same, and since the arc rods 5 are arcs protruding outwards, when the shed cloth 4 is tightly attached to the arc rods 5, the shed cloth 4 also protrudes outwards. According to the aerodynamic principle, the arc-shaped side face can effectively disperse wind power and reduce construction noise caused by strong cross wind.
In this embodiment, the top surface of the canopy frame is flat, and a flat surface can be formed by shielding with the canopy cloth 4.
In yet another embodiment, the first frame 11 of the canopy frame is also connected to the curved rod 5 to form a curved top surface.
In order to further reduce construction noise, a sound insulation board may be installed inside the shed cloth 4 during construction.
Further, the partition board 3 in this embodiment is a prefabricated board.
Further, the above-mentioned partition board 3 is provided with a plurality of grooves 211 for placing the packing.
Furthermore, the partition board 3 is a rectangular parallelepiped, the top surface of the partition board 3 is provided with an opening of the groove 211, and the groove 211 extends downward for a certain distance.
It will be understood that said recess 211 comprises, for each partition 3, a plurality of parallel arranged partitions, the area between adjacent partitions 3 being designated as holding chamber. Gaps are reserved between the bottom of each partition plate 3 and the concrete foundation of the ballastless track, so that the concrete foundation of the ballastless track is prevented from being damaged. In addition, the first frame 11 or the second frame 21 is connected to the corner of the partition plate 3.
The partition plate 3 in this embodiment sufficiently considers the heat preservation requirement, and the partition plate 3 is used to block the circulation of air in the internal space. The reason why the space in the shelter is separated by the partition plate 3 in this embodiment is that the viaduct and a normal river-crossing bridge are different in at least two forms, one is longer than the normal bridge, even possibly dozens of kilometers long, and the other is provided with large-scale turning, which causes the ballastless track concrete foundation on the viaduct to be interfered by strong crosswind, and the heat loss is also large; the partition plate 3 in the embodiment can not only keep the air in the heat preservation cabin warm, but also control the strength of the precast slab, so that the precast slab can be used as a heat insulation board and a support member, can support the first frame body 11 and the second frame body 21, and avoids the arc-shaped rod 5 from deforming.
Furthermore, the heat insulation material is one or more of polyurethane foam, polystyrene board, EPS, XPS and phenolic foam.
Further, rolling pulleys are arranged between opposite side surfaces of the second frame body 21, a connecting shaft is connected between two groups of rolling pulleys located in the same horizontal direction, a driving motor is arranged on the outer side of the connecting shaft, and a brake is arranged on the outer side of each group of rolling pulleys; the whole device can be driven to move through the rolling pulley driven by the driving motor.
Example 2
In a typical implementation manner of the present invention, this embodiment discloses a method for maintaining a track traffic foundation, which is characterized in that the closed environment-friendly shed for track traffic construction, which is described in embodiment 1, is used, and the method includes the following steps:
assembling a shed body frame and a partition plate on the basis of a track ballastless track concrete body needing to be maintained;
adjusting the radian of the arc-shaped rod according to the specific strong crosswind condition;
covering the shed cloth to the outer side of the shed frame;
monitoring the temperature in the greenhouse, and filling a heat insulation material into the partition board when the temperature in the greenhouse exceeds a set value;
when the concrete foundation of the ballastless track of the adjacent road section needs to be maintained, the closed environment-friendly shed for track traffic construction is moved by using the rolling pulley positioned at the bottom of the second frame body.
Furthermore, when the radian of the arc-shaped rod is adjusted, the angle between the arc-shaped sub-rods at the two ends of the hinged part is adjusted, and the telescopic amount of the telescopic end of the telescopic part is adjusted according to the adjusted overall height of the arc-shaped rod.
It will be appreciated that adjacent arcuate sub-bars are bolted for pivotal connection. Therefore, after the angle between the adjacent arc-shaped sub-rods is adjusted, a certain fastening effect can be achieved through the bolts.
When the temperature in the shed is monitored, a heater can be used for heating in the shed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A closed environment-friendly shed for track traffic construction is characterized by comprising a shed body frame, shed cloth, heat insulation materials and partition plates, wherein the shed cloth is arranged on the outer side of the shed body frame, a space for curing a ballastless track foundation concrete body is formed in the shed cloth, the partition plates are arranged in the middle of the shed body frame at intervals, and grooves for filling the heat insulation materials are formed in the partition plates; the shed body framework comprises a plurality of arc-shaped rods, the upper ends of the arc-shaped rods are hinged with the first framework body, and the lower ends of the arc-shaped rods are hinged with the second framework body; each arc-shaped rod comprises a plurality of arc-shaped sub-rods which are sequentially hinged, the arc-shaped sub-rods positioned at the end parts are hinged with telescopic parts, and the telescopic parts are fixedly connected with the first frame body or the second frame body; the arc-shaped sub-rod positioned at the end part is also provided with a bulge which can be contacted with the first frame body or the second frame body;
the top end of the clapboard is connected with the first frame body.
2. The closed environment-friendly shed for rail transit construction as claimed in claim 1, wherein rolling pulleys are installed between opposite side surfaces of the second frame body, a connecting shaft is connected between two sets of rolling pulleys located in the same horizontal direction, a driving motor is installed outside the connecting shaft, and a brake is installed outside each set of rolling pulleys.
3. The closed environmental protection shed for track traffic construction as claimed in claim 1, wherein the telescopic member has a telescopic end, the end of the arc-shaped sub-rod at the end is hinged with the telescopic end, and the housing of the telescopic member is located in the first frame or the second frame.
4. A closed environment-friendly shed for track traffic construction as claimed in claim 1 or 3, wherein the telescopic member is a hydraulic cylinder, and a piston of the hydraulic cylinder is hinged with an arc-shaped sub-rod at the end.
5. The closed environment-friendly shed for rail transit construction as claimed in claim 1, wherein the first frame body and/or the second frame body is provided with a groove for mounting a telescopic member.
6. The closed environmental protection shed for track traffic construction as claimed in claim 1, wherein the first frame body and/or the second frame body are provided with protrusions, and the protrusions of the first frame body and/or the second frame body can contact with the protrusions at the ends of the arc-shaped sub-rods.
7. The closed environmental protection shed for track traffic construction as claimed in claim 1, wherein the heat insulation material is one or more of polyurethane foam, polystyrene board, EPS, XPS and phenolic foam.
8. The closed environment-friendly shed for track traffic construction as claimed in claim 1, wherein the partition plates are rectangular, and a heat preservation bin for heat preservation is formed between adjacent partition plates; and a gap is reserved between the bottom of each partition plate and the concrete foundation of the ballastless track.
9. The closed environment-friendly shed for rail transit construction as claimed in claim 8, wherein the corners of the partition board are connected with the first frame or the second frame.
10. A method for maintaining a rail transit foundation, which is characterized in that the closed environment-friendly shed for rail transit construction, as claimed in any one of claims 1 to 9, is used, and comprises the following steps:
assembling a shed body frame and a partition plate on the basis of a track ballastless track concrete body needing to be maintained;
adjusting the radian of the arc-shaped rod according to the specific strong crosswind condition;
covering the shed cloth to the outer side of the shed frame;
monitoring the temperature in the greenhouse, and filling a heat insulation material into the partition board when the temperature in the greenhouse exceeds a set value;
when the concrete foundation of the ballastless track of the adjacent road section needs to be maintained, the roller positioned at the bottom of the second frame body is used for moving the closed environment-friendly shed for track traffic construction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210439992.2A CN115075394A (en) | 2022-04-25 | 2022-04-25 | Closed environment-friendly shed for rail transit construction and foundation maintenance method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210439992.2A CN115075394A (en) | 2022-04-25 | 2022-04-25 | Closed environment-friendly shed for rail transit construction and foundation maintenance method |
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| CN115075394A true CN115075394A (en) | 2022-09-20 |
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| CN202210439992.2A Pending CN115075394A (en) | 2022-04-25 | 2022-04-25 | Closed environment-friendly shed for rail transit construction and foundation maintenance method |
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| CN215562006U (en) * | 2021-09-28 | 2022-01-18 | 天元建设集团有限公司 | Environmental protection canopy is used in road and bridge construction |
| CN215790668U (en) * | 2021-09-30 | 2022-02-11 | 内蒙古中铁轨枕制造有限公司 | Concrete sleeper maintenance device |
| CN114215018A (en) * | 2022-01-18 | 2022-03-22 | 中国水利水电第七工程局有限公司 | Concrete placement construction heat preservation canopy |
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| CN206736637U (en) * | 2017-03-17 | 2017-12-12 | 中铁三局集团有限公司 | A kind of removable maintenance canopy for ballastless track bed concrete curing |
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| CN108532628A (en) * | 2018-04-27 | 2018-09-14 | 中冶建工集团有限公司 | The Windproof thermal insulation construction method of piping lane winter construction |
| CN111615964A (en) * | 2018-06-11 | 2020-09-04 | 岳广琴 | Wind-resistant greenhouse support |
| CN209162883U (en) * | 2018-08-01 | 2019-07-26 | 中际同创管廊设备制造东台有限公司 | A kind of prefabricated piping lane component insulated curing device |
| CN209339633U (en) * | 2019-01-02 | 2019-09-03 | 中建华东投资有限公司 | A kind of packaged type subway open-cut station multifunctional protection canopy |
| CN109618762A (en) * | 2019-02-23 | 2019-04-16 | 徐州蜂卡电子科技有限公司 | A kind of adjustable greenhouse of intelligence |
| CN215562006U (en) * | 2021-09-28 | 2022-01-18 | 天元建设集团有限公司 | Environmental protection canopy is used in road and bridge construction |
| CN215790668U (en) * | 2021-09-30 | 2022-02-11 | 内蒙古中铁轨枕制造有限公司 | Concrete sleeper maintenance device |
| CN114215018A (en) * | 2022-01-18 | 2022-03-22 | 中国水利水电第七工程局有限公司 | Concrete placement construction heat preservation canopy |
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