CN211079882U - Prefabricated assembly evacuation channel - Google Patents
Prefabricated assembly evacuation channel Download PDFInfo
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- CN211079882U CN211079882U CN201921229585.9U CN201921229585U CN211079882U CN 211079882 U CN211079882 U CN 211079882U CN 201921229585 U CN201921229585 U CN 201921229585U CN 211079882 U CN211079882 U CN 211079882U
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Abstract
The utility model discloses a prefabricated assembled evacuation channel, which is assembled by a plurality of column units and a plurality of platform units which are prefabricated and well preserved in the field; one end of the upright post unit is fixed on the concrete beam, and the other end of the upright post unit is connected with and bears the platform unit through a bolt; adjacent upright column units are connected through bolts, and adjacent platform units are connected through bolts; a gap is arranged between the adjacent platform units, and a gap is arranged between the adjacent upright post units. The utility model discloses the structure atress is more clear and definite, reasonable, and scattered widget adopts holistic large part to replace, and structural integrity has obtained the improvement, and the application effect also has very big promotion simultaneously, has reduced the cost of maintaining, has improved evacuation passageway's life.
Description
Technical Field
The utility model relates to an evacuation passageway, especially a prefabricated evacuation passageway of assembling for juxtaposition track beam traffic.
Background
The evacuation channel is widely applied to the fields of bridges, tunnels and the like, has the main function of evacuating people when special conditions occur, and is mainly applied to the overhead interval of magnetic suspension track traffic. The evacuation passageway that has adopted at present domestically mainly has two kinds of forms, and one is "T" shape single-layer construction, and this kind of structure mainly is applied to case roof beam or T roof beam type, because the maintainer can directly walk and carry out the maintenance of relevant equipment on the roof beam of case roof beam or T roof beam, so need not consider the passageway that the maintainer walked. However, the middle of the juxtaposed track beam is designed to be hollow, so that a channel for the maintainers to walk needs to be considered, and the single-layer evacuation structure is not suitable for the juxtaposed track beam. The other is a double-layer structure, because the magnetic suspension line has complex line conditions of small curvature radius and large gradient change, the effect of field assembly after factory prefabrication is completely adopted is difficult to achieve under the conditions of not reasonably dividing units and fully considering errors, and the field welding process is often adopted in order to meet the requirements of the line.
The two structures commonly used at present mainly have the following defects: (1) in order to adapt to the problem of line errors, a field welding process is locally adopted, an anticorrosive layer can be damaged by field welding, and the expected requirements are difficult to meet by the field coating anticorrosive process. (2) The structure has adopted more bolted connection, and the bolt belongs to easy corrosion part, can seriously influence evacuation passageway structure's security and aesthetic property after the bolt corrosion. (3) The structure is more discrete, and the widget that constitutes sparse passageway is more many, is difficult to embody main stress structure, and widget too much also can increase the degree of difficulty of anticorrosive application, and then influences the effect of application.
With the high-speed development of urban rail transit in China, the number of bolts used needs to be reduced through structural optimization, the field welding process is eliminated, the anticorrosion coating process of the product is simplified, and the adaptability of the product is enhanced, so that the service life of the rail transit evacuation channel is prolonged, and the attractive effect is improved. How to achieve the expected goal through structure optimization is a key technology which needs to be researched and solved urgently.
SUMMERY OF THE UTILITY MODEL
Problem to the background art exists, the utility model aims to provide a can reduce bolt use amount, structure adaptability number, anticorrosive application degree of difficulty low effectual sparse passageway is assembled to prefabrication.
In order to achieve the purpose, the utility model discloses an evacuation passageway is assembled in prefabrication, its characterized in that: a plurality of column units and a plurality of platform units which are prefabricated and subjected to antiseptic treatment are assembled into an evacuation channel in site construction; one end of the upright post unit is fixed on the concrete beam, and the other end of the upright post unit is connected with and bears the platform unit through a bolt; adjacent upright column units are connected through bolts, and adjacent platform units are connected through bolts; a gap is arranged between the adjacent platform units, and a gap is arranged between the adjacent upright post units.
Preferably, adjacent platform units are connected by a first connecting plate; one end of the first connecting plate is welded at one end of the platform unit in advance, and the other end of the first connecting plate is bolted with the other adjacent platform unit through a bolt; the adjacent upright post units are connected through a second connecting plate; one end of the second connecting plate is welded at one end of the upright unit in advance, and the other end of the second connecting plate is bolted with the adjacent upright unit through a bolt.
In order to achieve better corrosion prevention effect and improve installation efficiency, the preferable scheme is as follows: each upright post unit comprises an upright post, and connecting angle steel is arranged at the upper end and the middle part of two opposite side walls of each upright post; one end of the connecting angle steel is welded with the upright post, and the other end of the connecting angle steel is welded with an end angle steel; the second connecting plate is welded on one of the end angle steels.
Preferably, one end of the upright post is bolted with the platform unit through a top plate, and the other end of the upright post is bolted with the concrete beam through a bottom plate.
Preferably, the top plate is provided with a first long slot along the width direction of the platform unit, and the platform unit is provided with a second long slot matched with the first long slot along the length direction of the platform unit. Therefore, the difference between the adaptive platform unit and the column unit and the difference between the actual working condition and the design are adjusted through the two long slotted holes.
Preferably, one end of the end angle welded to the second connecting plate is bolted to the platform unit through a connecting angle.
Preferably, the connecting angle steel is provided with a third long slot along the width direction of the platform unit. Therefore, the device can adapt to certain installation errors and is convenient to install.
Further preferably, reinforcing ribs are arranged between the top plate and the upright post and between the bottom plate and the upright post. Thus, the rigidity and stability of the column unit are improved.
Preferably, at least one supporting angle steel for fixing the cable is arranged between the upright post and the end angle steel, and cable support arms are arranged on each supporting angle steel at intervals.
Further preferably, when a plurality of support angle steels are provided, a reinforcing angle steel is provided between adjacent support angle steels. Thus, the rigidity and stability of the pillar unit are increased.
Preferably, the upright post unit further comprises lower layer angle steel, and the lower layer angle steel is welded with the upright post, the end part angle steel, the support angle steel and the reinforcing angle steel; and a steel grating plate is arranged between the lower layer angle steels of the two different upright units.
In order to achieve better corrosion prevention effect and improve installation efficiency, the preferable scheme is as follows: each platform unit comprises two longitudinal beams bolted with the upright post units, and a plurality of cross beams are arranged between the two longitudinal beams at intervals; the deck plate is carried on the cross beams and the longitudinal beams.
Preferably, an equipment bedplate is arranged between two adjacent cross beams in at least one platform unit and is loaded on the two longitudinal beams and the two adjacent cross beams; and one side of the equipment bedplate is provided with a connecting hole for connecting equipment and a through hole for a cable to pass through.
Preferably, the bottom parts of the two sides of the equipment bedplate are respectively provided with two transverse reinforcing ribs of parallel beams and two longitudinal reinforcing ribs of vertical beams; the transverse reinforcing ribs are welded on the longitudinal beams; the two ends of the longitudinal reinforcing rib are welded on the two adjacent cross beams, and the middle part of the longitudinal reinforcing rib is welded with the transverse reinforcing rib.
Further preferred is equipped with polylith landing slab, is equipped with the preformed hole that is used for the cable to pass through between the adjacent landing slab.
Preferably, the longitudinal beam is H-shaped steel.
Preferably, the longitudinal beam is provided with a handrail along the longitudinal direction of the longitudinal beam.
The utility model has the advantages that: compare with current evacuation passageway, the structure atress is more clear and definite, reasonable, and scattered widget adopts holistic big part to replace, and structural integrity has obtained the improvement, and the application effect also has very big promotion simultaneously, has reduced the cost of maintaining, has improved evacuation passageway's life. Errors possibly generated in each link are fully considered, the adaptability of the product is improved through structural optimization, and favorable conditions are provided for avoiding field processing. The installation of the line equipment is fully considered, the equipment interface is reasonably reinforced, the strength and rigidity requirements of the structure are guaranteed, and the safety performance of the structure is effectively guaranteed.
Compared with the prior art, the utility model has the characteristics of as follows:
the structure is stressed reasonably, the number of bolts is small, the structural integrity is good, the safety is high, and the corrosion prevention effect is good;
secondly, errors are fully and reasonably considered, and the adaptability is strong;
and thirdly, the reserved interface for installing the line equipment is fully considered, so that the strength, the rigidity and the corrosion prevention effect of the structure are effectively guaranteed.
Drawings
FIG. 1 is a perspective view of the present invention
FIG. 2 is an enlarged schematic view at A in FIG. 1
FIG. 3 is an enlarged schematic view of B in FIG. 1
FIG. 4 is a schematic perspective view of the present invention
FIG. 5 is a three-dimensional schematic view of the present invention
In the figure: the structure comprises a column unit 1, a platform unit 2, a first connecting plate 3, a second connecting plate 4, a column 5, a connecting angle steel 6, an end angle steel 7, a top plate 8, a bottom plate 9, a first long slot hole 10, a second long slot hole 11, a connecting angle steel 12, a third long slot hole 13, a reinforcing rib 14, a supporting angle steel 15, a cable support arm 16, a reinforcing angle steel 17, a lower layer angle steel 18, a steel grating plate 19, a longitudinal beam 20, a cross beam 21, a platform plate 22, an equipment bedplate 23, a connecting hole 24, a through hole 25, a transverse reinforcing rib 26, a longitudinal reinforcing rib 27, a preformed hole 28, a handrail 29 and a fourth long slot hole 30.
Detailed Description
The technical solutions of the present invention (including the preferred ones) are further described in detail by way of fig. 1 to 5 and enumerating some alternative embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the utility model relates to an evacuation passageway is assembled in prefabrication, its characterized in that: a plurality of upright column units 1 and a plurality of platform units 2 which are prefabricated and subjected to antiseptic treatment are assembled into an evacuation channel in site construction; one end of the upright post unit 1 is fixed on the concrete beam, and the other end of the upright post unit is connected with and bears the platform unit 2 through bolts; adjacent platform units 2 are connected by a first connecting plate 3; one end of the first connecting plate 3 is welded at one end of the platform unit 2 in advance, and the other end of the first connecting plate is bolted with the other adjacent platform unit 2 through bolts; the adjacent upright post units 1 are connected through a second connecting plate 4; one end of the second connecting plate 4 is welded at one end of the upright unit 1 in advance, and the other end of the second connecting plate is bolted with the adjacent upright unit 1 through a bolt; and a gap is arranged between the adjacent platform units 2, and a gap is arranged between the adjacent upright post units 1.
Preferably, the first connecting plate 3 is provided with a fourth slotted hole 30 along the length direction of the platform unit.
As shown in fig. 4, each of the upright units 1 includes an upright 5, and connecting angle steels 6 are disposed at the upper ends and the middle parts of two opposite side walls of the upright 5; one end of the connecting angle steel 6 is welded with the upright post 5, and the other end is welded with an end angle steel 7; the second connecting plate 4 is welded on one of the end angle steels 7. One end of the upright post 5 is bolted with the platform unit 2 through a top plate 8, and the other end is bolted with the concrete beam through a bottom plate 9. Preferably, the top plate 8 is provided with a first long slot 10 along the width direction of the platform unit, and the platform unit 2 is provided with a second long slot 11 matched with the first long slot 10 along the length direction of the platform unit, so that the difference between the actual working condition and the design and the difference between the platform unit and the column unit are adjusted and matched through the two long slots.
One end of the end angle 7 welded to the second connecting plate 4 is bolted to the longitudinal beam of the platform unit via a connecting angle 12. The angle steel 12 is provided with a third long slot 13 along the width direction of the platform unit, so that the angle steel can adapt to certain installation errors and is convenient to install. Reinforcing ribs 14 are arranged between the top plate 8 and the upright post 5, and reinforcing ribs 14 are also arranged between the bottom plate 9 and the upright post 5, so that the rigidity and the stability of the upright post unit are improved.
At least one supporting angle steel 15 used for fixing the cable is arranged between the upright post 5 and the end part angle steel 7, and cable supporting arms 16 are arranged on each supporting angle steel 15 at intervals.
When a plurality of support angles 15 are provided, a reinforcement angle 17 is provided between adjacent support angles 15, thus increasing the rigidity and stability of the column unit.
The upright post unit 1 further comprises lower layer angle steel 18, and the lower layer angle steel 18 is welded with the upright post 5, the end part angle steel 7, the support angle steel 15 and the reinforcing angle steel 17; and a steel grating plate 19 is arranged between the lower layer angle steels 18 of two different upright post units 1.
As shown in fig. 5, each platform unit 2 comprises two longitudinal beams 20 bolted to the top plate of the column unit, and a plurality of cross beams 21 are arranged between the two longitudinal beams 20 at intervals; a deck plate 22 is carried over the cross beams 21 and the side beams 20.
An equipment bedplate 23 is arranged between two adjacent cross beams 21 in at least one platform unit 2, and the equipment bedplate 23 is loaded on the two longitudinal beams 20 and the two adjacent cross beams 21; the equipment bedplate 23 is provided with a connecting hole 24 for connecting equipment and a through hole 25 for passing a cable.
The bottom parts of the two sides of the equipment bedplate 23 are respectively provided with two transverse reinforcing ribs 26 of the parallel cross beam 21 and two longitudinal reinforcing ribs 27 of the vertical cross beam 21; the transverse reinforcing ribs 26 are welded on the longitudinal beams 20; the two ends of the longitudinal reinforcing rib 27 are welded on the two adjacent cross beams 21, and the middle part of the longitudinal reinforcing rib 27 is welded with the transverse reinforcing rib 26.
Preferably, a plurality of platform plates 22 are provided, with a pre-formed hole 28 between adjacent platform plates 22 for the passage of a cable.
Preferably, the longitudinal beam 20 is H-shaped steel, and the upright 5 is a square tube.
Preferably, the longitudinal beam 20 is provided with a handrail 29 along the longitudinal direction of the longitudinal beam.
According to the requirements of drawings, all parts are respectively welded into a whole, and then anticorrosive coating is carried out according to a specified coating method. The evacuation channel is installed by fixing the bases of the upright units on the embedded bolts by nuts, laying steel grating plates in the middle of the upright units on the left side and the right side, installing the platform unit, and finally installing the guardrail unit. During the installation process, if the position of the unit needs to be adjusted, the position where the nut is connected is loosened and then adjusted, and then the nut is screwed, so that the safety performance of the evacuation channel is prevented from being influenced due to overlarge internal stress.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (10)
1. The utility model provides an evacuation passageway is assembled in prefabrication which characterized in that: a plurality of column units and a plurality of platform units which are prefabricated and subjected to antiseptic treatment are assembled into an evacuation channel in site construction; one end of the upright post unit is fixed on the concrete beam, and the other end of the upright post unit is connected with and bears the platform unit through a bolt; adjacent upright column units are connected through bolts, and adjacent platform units are connected through bolts; gaps are arranged between the adjacent platform units, and gaps are arranged between the adjacent upright post units; the adjacent platform units are connected through a first connecting plate; one end of the first connecting plate is welded at one end of the platform unit in advance, and the other end of the first connecting plate is bolted with the other adjacent platform unit through a bolt; the adjacent upright post units are connected through a second connecting plate; one end of the second connecting plate is welded at one end of the upright unit in advance, and the other end of the second connecting plate is bolted with the adjacent upright unit through a bolt.
2. The prefabricated assembly evacuation channel of claim 1, wherein: each upright post unit comprises an upright post, and connecting angle steel is arranged at the upper end and the middle part of two opposite side walls of each upright post; one end of the connecting angle steel is welded with the upright post, and the other end of the connecting angle steel is welded with an end angle steel; the second connecting plate is welded on one of the end angle steels; one end of the upright post is bolted with the platform unit through the top plate, and the other end of the upright post is bolted with the concrete beam through the bottom plate.
3. The prefabricated assembly evacuation channel of claim 2, wherein: the top plate is provided with a first long slotted hole along the width direction of the platform unit, and the platform unit is provided with a second long slotted hole matched with the first long slotted hole along the length direction of the platform unit.
4. The prefabricated assembly evacuation channel of claim 1, wherein: one end of the end part angle steel welded with the second connecting plate is bolted with the platform unit through a connecting angle steel; and a third long slotted hole along the width direction of the platform unit is formed in the connecting angle steel.
5. The prefabricated assembly evacuation channel of claim 2, wherein: at least one supporting angle steel for fixing a cable is arranged between the upright post and the end angle steel, and a cable supporting arm is arranged on each supporting angle steel at intervals; when a plurality of supporting angle steels are arranged, a reinforcing angle steel is arranged between the adjacent supporting angle steels.
6. The prefabricated assembly evacuation channel of claim 2, wherein: the upright post unit also comprises lower layer angle steel, and the lower layer angle steel is welded with the upright post, the end part angle steel, the support angle steel and the reinforcing angle steel; and a steel grating plate is arranged between the lower layer angle steels of the two different upright units.
7. The prefabricated assembly evacuation channel of claim 1, wherein: each platform unit comprises two longitudinal beams bolted with the upright post units, and a plurality of cross beams are arranged between the two longitudinal beams at intervals; the deck plate is carried on the cross beams and the longitudinal beams.
8. The prefabricated assembly evacuation channel of claim 7, wherein: an equipment bedplate is arranged between two adjacent cross beams in at least one platform unit and is loaded on the two longitudinal beams and the two adjacent cross beams; and one side of the equipment bedplate is provided with a connecting hole for connecting equipment and a through hole for a cable to pass through.
9. The prefabricated assembly evacuation channel of claim 8, wherein: the bottom parts of the two sides of the equipment bedplate are respectively provided with two transverse reinforcing ribs of parallel beams and two longitudinal reinforcing ribs of vertical beams; the transverse reinforcing ribs are welded on the longitudinal beams; the two ends of the longitudinal reinforcing rib are welded on the two adjacent cross beams, and the middle part of the longitudinal reinforcing rib is welded with the transverse reinforcing rib.
10. The prefabricated assembly evacuation channel of claim 7, wherein: be equipped with polylith landing slab, be equipped with the preformed hole that is used for the cable to pass through between the adjacent landing slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229585.9U CN211079882U (en) | 2019-07-31 | 2019-07-31 | Prefabricated assembly evacuation channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229585.9U CN211079882U (en) | 2019-07-31 | 2019-07-31 | Prefabricated assembly evacuation channel |
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| CN211079882U true CN211079882U (en) | 2020-07-24 |
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| CN201921229585.9U Active CN211079882U (en) | 2019-07-31 | 2019-07-31 | Prefabricated assembly evacuation channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144376A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Semi-fixed personnel passageway for bridge expansion joint |
| CN112554037A (en) * | 2020-12-14 | 2021-03-26 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Floating bridge structure and construction method |
-
2019
- 2019-07-31 CN CN201921229585.9U patent/CN211079882U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144376A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Semi-fixed personnel passageway for bridge expansion joint |
| CN112554037A (en) * | 2020-12-14 | 2021-03-26 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Floating bridge structure and construction method |
| CN112554037B (en) * | 2020-12-14 | 2022-08-05 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Floating bridge structure and construction method |
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