CN113481853B - Mobile factory for concrete cast-in-place of door type double-layer highway-railway dual-purpose bridge - Google Patents
Mobile factory for concrete cast-in-place of door type double-layer highway-railway dual-purpose bridge Download PDFInfo
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- CN113481853B CN113481853B CN202110752970.7A CN202110752970A CN113481853B CN 113481853 B CN113481853 B CN 113481853B CN 202110752970 A CN202110752970 A CN 202110752970A CN 113481853 B CN113481853 B CN 113481853B
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- 238000009415 formwork Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000012423 maintenance Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a mobile factory for concrete cast-in-place of a door type double-layer highway-railway dual-purpose bridge, wherein the door type double-layer highway-railway dual-purpose bridge comprises a highway on an upper layer and a railway track on a lower layer, a door type structure is erected on the railway track, the railway frame is arranged in the railway track to form a space for a train to walk, the highway is laid above the door type structure, and the mobile factory comprises: the landing movable formwork can walk and support on a railway track laid in advance; remove the factory building, it sets up it falls to the ground moving die carrier top, remove the factory building including supporting the girder, it sets up to walking along vertical bridge, support girder one end and erect on fixed leg, fixed leg is along vertical bridge to walking, and the other end erects on flexible landing leg, through control flexible landing leg's flexible to control makes flexible landing leg cross gate-type structure. By adopting the mobile factory, the whole factory can conveniently and quickly pass through a gate-type structure, and the working efficiency is high.
Description
Technical Field
The invention relates to the field of bridge pouring. More specifically, the invention relates to a mobile factory for the concrete cast-in-place of a door type double-layer highway and railway dual-purpose bridge.
Background
For a double-layer concrete bridge with a portal structure, the movable formwork cannot be used for cast-in-place of an upper-layer highway box girder due to the existence of the portal structure. When the full framing method is adopted for construction, the construction efficiency is low, and the concrete maintenance quality is difficult to guarantee.
Disclosure of Invention
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a mobile factory for concrete cast-in-place of a portal type double-deck highway-railway bridge, the portal type double-deck highway-railway bridge comprising an upper road and a lower railway track, the railway track being provided with a portal structure, the railway frame being provided therein to form a space for a train to travel, the road being laid over the portal structure, the mobile factory comprising:
the landing movable formwork can walk and support on a railway track laid in advance;
remove the factory building, its setting is in it falls to the ground the moving die carrier top, remove the factory building and include:
the supporting main beam is arranged in a walking mode along the longitudinal bridge direction, one end of the supporting main beam is erected on the fixed supporting leg, the fixed supporting leg walks along the longitudinal bridge direction, the other end of the supporting main beam is erected on the telescopic supporting leg, the telescopic supporting leg is controlled to stretch out and draw back to enable the telescopic supporting leg to cross the door type structure,
and the material distribution equipment is arranged on the supporting main beam and moves along with the movement of the supporting main beam, so that large-range material distribution is realized.
According to a preferred embodiment of the invention, the bottom of the floor type mobile formwork is provided with a first roller and a first hydraulic supporting mechanism, the first hydraulic supporting mechanism can extend and retract,
when the first hydraulic support mechanism is in an extension state, the first hydraulic support mechanism supports the floor moving die carrier, and when the first hydraulic support mechanism is in a retraction state, the first roller supports the floor moving die carrier,
and the first idler wheel pushes the floor type movable mould frame to move under the driving of the power mechanism.
According to a preferred embodiment of the invention, a track is laid on the poured bridge section for the fixed leg to travel on.
According to a preferred embodiment of the present invention, a lifting tool is installed on the supporting main beam to lift the reinforced bar component for construction.
According to a preferred embodiment of the invention, the telescopic supporting leg is erected on a walking trolley, a second roller and a second hydraulic supporting mechanism are arranged at the bottom of the walking trolley, the second hydraulic supporting mechanism can be extended and retracted,
when the second hydraulic support mechanism is in an extension state, the second hydraulic support mechanism supports the walking trolley, when the second hydraulic support mechanism is in a retraction state, the second roller supports the walking trolley,
and the second roller wheel pushes the walking trolley to walk under the driving of the power mechanism.
According to a preferred embodiment of the invention, the telescopic leg comprises an outer sleeve and an inner sleeve, the inner sleeve is movably arranged in the outer sleeve, and supporting feet are arranged at the bottom of the inner sleeve so as to be supported on the walking trolley.
According to a preferred embodiment of the invention, the lower end of the inner sleeve extends beyond the outer sleeve when the telescoping leg is retracted to a minimum length.
According to a preferred embodiment of the invention, the top of the supporting girder is further provided with a maintenance shed, and the maintenance shed is telescopic along the length direction of the supporting girder.
According to a preferred embodiment of the invention, two groups of the telescopic supporting legs are arranged at intervals along the length direction of the supporting main beam, and the telescopic supporting legs of the same group are synchronously telescopic.
The invention at least comprises the following beneficial effects:
1. in order to facilitate the equipment to integrally pass through a door type structure, the floor type movable formwork and the movable workshop adopt a separated structure.
2. The floor type movable formwork is driven by a motor to move on a railway track laid in advance through a travelling mechanism. When the railway box girder walking mechanism is in a working state, the floor type movable formwork is supported on a lower layer railway box girder through the oil cylinder, and when the railway box girder walking mechanism is in a walking state, the floor type movable formwork is supported on a railway through the walking mechanism.
3. The front end of the mobile workshop moves on the railway track through the walking trolley. The rear end moves on a track arranged on the poured box girder through a propelling device. The front support leg of the mobile workshop adopts a retractable structure and is used for passing through a pier gate structure.
4. The movable factory building is provided with a movable distributing machine, a crown block for hoisting the steel bar part, a telescopic maintenance shed and other structures. When typhoon comes, the maintenance shed is folded to avoid the typhoon.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic side view of a mobile factory according to the present invention.
FIG. 2 is a schematic cross-sectional view of a mobile factory according to the present invention.
FIG. 3 is a schematic cross-sectional view of a mobile factory installed in a portal structure according to the present invention.
FIG. 4 is a schematic cross-sectional view of a mobile factory installed in a portal structure according to the present invention.
FIG. 5 is a schematic cross-sectional view of a mobile factory proximity gate structure of the present invention.
FIG. 6 is a schematic diagram of a process of moving a factory through a portal structure according to the present invention.
FIG. 7 is a schematic diagram of a second structure of the process of moving the factory through the portal structure according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The double-layer highway-railway dual-purpose bridge is characterized in that the upper layer is a highway, the lower layer is a railway track, a portal structure is erected between the upper layer and the lower layer, the portal structure is erected on the railway track, the railway frame is arranged in the portal structure to form a space for a train to walk, the highway is laid above the portal structure,
because the top end plate of the gate-type structure blocks, the conventional movable formwork can not be used for cast-in-place of the upper-layer highway box girder, the conventional movable formwork is of an integral structure and is used for pouring the highway above the gate-type structure, the gate-type structure blocks in the height direction, and the conventional movable formwork cannot cross over the highway.
In order to solve the above problems, the present application provides a mobile factory for gate-type double-deck highway and railway dual-purpose bridge concrete cast-in-place, the mobile factory comprising:
the landing mobile formwork 1 can walk and support on a railway track laid in advance;
remove the factory building, its setting is in it falls to the ground the moving die carrier top, remove the factory building and include:
a supporting main beam 2 which can walk along the longitudinal bridge direction, one end of the supporting main beam 2 is erected on a fixed supporting leg, the fixed supporting leg 3 walks along the longitudinal bridge direction, the other end is erected on a telescopic supporting leg 4, and the telescopic supporting leg 4 is controlled to pass through the door type structure by controlling the telescopic supporting leg 4 to stretch,
and the material distribution equipment 5 is arranged on the support main beam 2 and moves along with the movement of the support main beam 2, so that large-range material distribution is realized.
Among the above-mentioned technical scheme, in order to facilitate the whole gate-type structure that passes through of equipment, console mode movable mould frame and mobile factory building adopt disconnect-type structure, and the two are contactless.
The floor type movable formwork 1 mainly functions to support a formwork for concrete pouring, and the concrete structure of the floor type movable formwork is not limited, can be a whole and can also be formed by a plurality of formwork.
Because the supporting main beam 2 is large in size, long and easily unbalanced, the fixed support legs 3 and the telescopic support legs 4 are used for supporting two ends of the supporting main beam 2, the telescopic support legs 4 are located in front of the fixed support legs 3 along the direction that the supporting main beam 2 moves forwards, and when encountering a portal structure, the telescopic support legs 4 are retracted upwards and lifted upwards, so that the front section of the supporting main beam 2 can cross the portal structure. In the process, the floor type movable formwork 1 can freely pass through the door type structure.
That is to say, the height of the floor type mobile formwork 1 is lower than the inner height of the portal structure, and in order to ensure that the mobile factory building performs concrete pouring construction on the road above the portal structure, it is necessary to ensure that the height of the supporting main beam 2 is higher than the height above the portal structure.
It should be noted that, according to the foregoing description, the floor type moving die carrier 1 is capable of walking and is supported on the railway track laid in advance, and the walking is achieved by the rollers, but considering that the support stability of the rollers is poor, if only the rollers are provided for walking, the stability of the rollers is poor when fixed construction is required when walking is not required, and therefore, the present application provides a new structure, the first rollers 6 and the first hydraulic support mechanism 7 are installed at the bottom of the floor type moving die carrier 1, the first hydraulic support mechanism 7 is retractable,
when the first hydraulic support mechanism 7 is in an extension state, the first hydraulic support mechanism supports the floor type movable mould frame 1, when the first hydraulic support mechanism is in a retraction state, the first idler wheel 6 supports the floor type movable mould frame 1,
and the first idler wheel 6 pushes the floor type movable mould frame 1 to move under the driving of the power mechanism.
Therefore, the first hydraulic support mechanism 7 can be used for supporting the floor type movable mould frame 1, and the first roller 6 can be used for fast moving.
The first hydraulic support mechanism 7 may be a jack, or a hydraulic mechanism such as a hydraulic rod, which may be determined according to actual construction conditions.
The bridge is constructed by segmental casting, and the cast bridge section 16 is used as a support, so that the bridge is simple and convenient, and the support is stable, therefore, a track 8 is laid on the cast bridge section, and the fixed supporting legs 3 can walk on the track.
In another embodiment, a lifting appliance 9 is installed on the supporting main beam 2 to lift a reinforced bar component 10 for construction.
As described above, the whole mobile factory utilizes the flexible of telescopic bracket 4, through the gate-type structure, but consider that the gate-type structure is usually higher, that is to say, the top of gate-type structure is all higher, if directly utilize the flexible of telescopic leg 4 in order to realize through the gate-type structure, its flexible journey is very high then, need it to retract to very high, just can be higher than the top of gate-type structure, just can pass through the gate-type structure, not only influence the stability of whole structure greatly, and also very high to the quality requirement of telescopic leg, it needs it to realize retracting in very short time, otherwise can collapse, or topple over, in order to avoid the emergence of this technical problem, this application sets up walking platform truck 11, specifically is following structure:
the telescopic supporting legs 4 are erected on a traveling trolley 11, the bottom of the traveling trolley 11 is provided with a second roller 12 and a second hydraulic supporting mechanism 13, the second hydraulic supporting mechanism 13 can be telescopic,
the second hydraulic support mechanism 13 supports the traveling carriage 11 when it is in the extended state, the second roller 12 supports the traveling carriage 11 when it is in the retracted state,
and the second roller 12 is driven by the power mechanism to push the traveling trolley 11 to travel.
Wherein, the height of walking platform truck 11 is slightly less than the interior height on gate-type structure's top, like this walking platform truck 11 can convenient and fast pass through gate-type structure, under this condition, flexible landing leg only need retract shorter distance just can be higher than gate-type structure, through gate-type structure, increases the steadiness of mobile factory.
The telescopic supporting leg 4 can be a telescopic hydraulic mechanism such as a hydraulic rod and a jack, and can also be a telescopic mechanical structure, but considering that the hydraulic mechanism is telescopic and easy to damage due to long-term reciprocating expansion and contraction, and is not practical in practical construction, the telescopic supporting leg 4 comprises an outer sleeve 41 and an inner sleeve 42, the inner sleeve 42 is movably arranged in the outer sleeve 41, and the inner sleeve 42 is provided with a supporting leg 43 so as to be supported on the walking trolley 11. When the telescoping leg 4 is retracted to a minimum length, the lower end of the inner sleeve 42 extends beyond the outer sleeve.
In view of the problem that if the telescopic legs 4 are all retracted and lifted, the supporting main beam 2 with heavy weight will have one end supported by the fixed legs 3 and the other end suspended without any support, which will inevitably cause the whole supporting main beam 2 to overturn, the present application proposes the following solutions,
the telescopic supporting legs 4 are arranged into two groups and are arranged at intervals along the length direction of the supporting main beam 2, the telescopic supporting legs 4 in the same group are synchronously telescopic, the two groups of telescopic supporting legs 4 are not synchronously telescopic, when the door type structure 15 is needed, firstly, the front group of telescopic supporting legs 4 is retracted, along with the forward movement of the supporting main beam 2, the front group of telescopic supporting legs 4 crosses the top end of the door type structure, meanwhile, the rear group of telescopic supporting legs is supported on the walking trolley 11 to support the supporting main beam 2,
when the preceding set of telescopic leg passed over portal structure 15, transfer telescopic leg 4 supports on walking trolley 11, and a set of telescopic leg at the back then contracts simultaneously, along with support girder 2 moves forward, portal structure 15 top will be crossed to a set of telescopic leg 4 at the back.
Still be provided with spray system in the maintenance canopy, it includes temperature and humidity inductor, sprays mechanism and the control unit, its temperature and humidity inductor response is humiture on every side, the control unit connect in the temperature and humidity inductor, when its humiture numerical value reaches the default, the control unit control spray mechanism sprays.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a remove mill that is used for cast-in-place of door formula double-deck highway railway dual-purpose bridge concrete, door formula double-deck highway railway dual-purpose bridge includes the highway on upper strata and the railway rails of lower floor, and railway rails erects portal structure, will the railway frame is established in, forms the space that supplies the train to walk, the highway is laid portal structure top, its characterized in that, remove mill and include:
the landing movable formwork can walk and support on a railway track laid in advance;
remove the factory building, its setting is in it falls to the ground the moving die carrier top, remove the factory building and include:
support the girder, it sets up to walking along the longitudinal bridge, support girder one end and erect on fixed leg, fixed leg is to walking along the longitudinal bridge, and the other end erects on telescopic leg, through control telescopic leg's flexible to control makes telescopic leg cross gate-type structure.
2. The mobile factory for the gate-type double-deck highway and railway dual-purpose bridge concrete cast-in-place according to claim 1, wherein a first roller and a first hydraulic support mechanism are installed at the bottom of the floor mobile formwork, the first hydraulic support mechanism is telescopic,
when the first hydraulic support mechanism is in an extension state, the first hydraulic support mechanism supports the floor moving die carrier, and when the first hydraulic support mechanism is in a retraction state, the first roller supports the floor moving die carrier,
and the first idler wheel pushes the floor type movable mould frame to move under the driving of the power mechanism.
3. The mobile factory for the cast-in-place of concrete of a door type double-deck highway-railway dual-purpose bridge as claimed in claim 1, wherein a track is laid on a poured bridge section for the fixed legs to walk on the track.
4. The mobile factory for the cast-in-place of concrete of a door type double-deck highway-railway dual-purpose bridge as claimed in claim 1, wherein a lifting appliance is installed on the supporting main beam to lift a steel bar component for construction.
5. The mobile factory for the concrete casting of the door type double-deck highway/railway dual-purpose bridge according to claim 1, wherein the telescopic supporting legs are erected on a traveling trolley, the bottom of the traveling trolley is provided with a second roller and a second hydraulic supporting mechanism, the second hydraulic supporting mechanism is telescopic,
when the second hydraulic support mechanism is in an extension state, the second hydraulic support mechanism supports the walking trolley, when the second hydraulic support mechanism is in a retraction state, the second roller supports the walking trolley,
and the second roller wheel pushes the walking trolley to walk under the driving of the power mechanism.
6. The mobile factory for the cast-in-place of concrete of a door type double-deck highway-railway dual-purpose bridge as claimed in claim 5, wherein the telescopic legs comprise an outer sleeve and an inner sleeve, the inner sleeve is movably arranged in the outer sleeve, and supporting feet are mounted at the bottom of the inner sleeve so as to be supported on the walking trolley;
when the telescopic supporting legs retract to the shortest length, the lower ends of the inner sleeves extend out of the outer sleeves.
7. The mobile factory for gate-type double-deck highway and railway dual-purpose bridge concrete cast-in-place according to claim 6, characterized in that the mobile factory building further comprises a material distribution device, wherein the material distribution device is installed on the supporting main beam and moves along with the movement of the supporting main beam, so that large-range material distribution is realized.
8. The mobile factory for the cast-in-place of concrete of a door type double-deck highway-railway dual-purpose bridge as claimed in claim 1, wherein a maintenance shed is further arranged on the top of the supporting main beam, and the maintenance shed is telescopic along the length direction of the supporting main beam.
9. The mobile factory for the cast-in-place of concrete of a door type double-deck highway-railway dual-purpose bridge as claimed in claim 1, wherein the two groups of telescopic legs are arranged at intervals along the length direction of the supporting main beam, and the telescopic legs of the same group are synchronously telescopic.
10. The mobile factory for gate-type double-deck highway and railway dual-purpose bridge concrete cast-in-place according to claim 8, wherein a spraying system is further arranged in the curing shed and comprises a temperature and humidity sensor, a spraying mechanism and a control unit, the temperature and humidity sensor senses ambient temperature and humidity, the control unit is connected to the temperature and humidity sensor, and when the temperature and humidity value reaches a preset value, the control unit controls the spraying mechanism to spray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752970.7A CN113481853B (en) | 2021-07-02 | 2021-07-02 | Mobile factory for concrete cast-in-place of door type double-layer highway-railway dual-purpose bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752970.7A CN113481853B (en) | 2021-07-02 | 2021-07-02 | Mobile factory for concrete cast-in-place of door type double-layer highway-railway dual-purpose bridge |
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| Publication Number | Publication Date |
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| CN113481853A CN113481853A (en) | 2021-10-08 |
| CN113481853B true CN113481853B (en) | 2022-05-17 |
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| CN115929087A (en) * | 2022-12-27 | 2023-04-07 | 武汉江腾铁路工程有限责任公司 | Construction Method of Cast-in-situ Portal Rigid Frame for Railway Mobile Protective Scaffold |
| CN116378482A (en) * | 2023-03-30 | 2023-07-04 | 中交第二航务工程局有限公司 | Assembled multifunctional mobile factory and cast-in-place concrete structure construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000087316A (en) * | 1998-09-10 | 2000-03-28 | Gifu Kogyo Kk | Method and device for construction of floor slab |
| CN104499434A (en) * | 2014-12-16 | 2015-04-08 | 中铁大桥局集团有限公司 | Movable formwork for casting of wide-body box girder and construction method |
| CN104695336B (en) * | 2015-01-15 | 2016-09-28 | 中铁大桥局集团第五工程有限公司 | The double-deck first up and then down stand construction method of Cast-in-situ Beam |
| CN112064505A (en) * | 2020-03-31 | 2020-12-11 | 中铁大桥局集团第二工程有限公司 | Amplitude-variable type movable support and construction method thereof |
| CN112112075B (en) * | 2020-09-02 | 2024-12-17 | 中交武汉港湾工程设计研究院有限公司 | Self-propelled cast-in-situ box girder integrated bridge construction machine |
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