CN220266205U - Track beam combined structure suitable for straddle type monorail - Google Patents
Track beam combined structure suitable for straddle type monorail Download PDFInfo
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- CN220266205U CN220266205U CN202321764047.6U CN202321764047U CN220266205U CN 220266205 U CN220266205 U CN 220266205U CN 202321764047 U CN202321764047 U CN 202321764047U CN 220266205 U CN220266205 U CN 220266205U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 133
- 239000010959 steel Substances 0.000 claims abstract description 133
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 238000010276 construction Methods 0.000 claims description 8
- 239000011513 prestressed concrete Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a track beam combined structure suitable for a straddle type single track, which comprises a steel structure longitudinal beam and a prefabricated track beam, wherein transverse partition plates are arranged on two sides of the steel structure longitudinal beam, the prefabricated track beam is connected with the transverse partition plates through connecting pieces, and the prefabricated track beam is of a horseshoe-shaped structure and is internally provided with a long round hole with a hollowed middle; the utility model has simple structure and reasonable design, can improve the rigidity of the prefabricated track beam, can increase the beam distribution space of the longitudinal prestress steel beam of the bottom plate, has excessive chamfer angle between the widened part and the web plate, reduces the stress concentration of the prefabricated track beam, and solves the problems of insufficient transverse rigidity of the straddle type single track beam, influence on the travelling comfort, reduction of the investment cost of an evacuation platform and the like.
Description
Technical Field
The utility model relates to the technical field of straddle type monorail equipment, in particular to a track beam combined structure suitable for a straddle type monorail.
Background
The straddle type monorail belongs to a medium-traffic rail traffic system, and is characterized by strong adaptability, low noise, small turning radius and strong climbing capacity, and can better adapt to complex landform and landform environments. The track beam is not only a load-bearing structure but also a track for running of the vehicle, and therefore is one of the key technologies of straddle-type monorail systems.
The prior art has the following defects:
the domestic and overseas straddle type monorail track beam generally adopts a prefabricated prestressed concrete structure, two track beams are transversely arranged on the double-line standard track beam, and the two track beams are mutually independent, so that the hoisting of the prefabricated track beam is facilitated, the construction efficiency is improved, and the following defects exist in the structure: first, because the track beam transverse width is narrower, therefore, track beam transverse rigidity is not enough, and transverse rocking is more obvious in the vehicle operation process, influences riding comfort. Second, since the two transverse track beams are separated, an independent evacuation structure is required to be separately arranged between the two track beams. Because the structure and the track beam are mutually independent, the evacuation structure has larger span, so that the engineering quantity of the evacuation structure is larger, and the engineering investment is increased.
Disclosure of Invention
The utility model aims to provide a track beam combined structure suitable for a straddle type monorail, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a track roof beam integrated configuration suitable for stride a monorail, includes steel construction longeron and prefabricated track roof beam, the both sides of steel construction longeron all are provided with the diaphragm, connect through setting up the connecting piece between prefabricated track roof beam and the diaphragm, the prefabricated track roof beam is horseshoe-shaped structure and inside to establish the slotted hole of hollowing in the middle of.
Preferably, the steel structure longitudinal beam comprises:
the first steel bottom plate is provided with a plurality of first reinforcing plates on the upper end face thereof, and the first reinforcing plates are arranged at intervals of 1.8-2.1 m;
the steel webs are arranged on two sides of the upper end face of the first steel bottom plate;
the first steel roof, first steel roof sets up the upper end at the steel web, first steel roof width is 750 mm-850 mm.
Preferably, the diaphragm plate comprises:
the second steel bottom plate is arranged on one side of the first steel bottom plate, a plurality of second reinforcing plates are arranged on the upper end face of the second steel bottom plate, the second reinforcing plates are arranged at intervals of 3.8 m-4.2 m, and the lower end face of the prefabricated track beam, the first steel bottom plate and the second steel bottom plate are flush;
the second steel roof, the second steel roof sets up the upper end at the second reinforcing plate, first steel roof and second steel roof parallel and level.
Preferably, the connecting piece includes:
one side of the bearing plate is connected with the second steel bottom plate, the second reinforcing plate and the second steel top plate respectively;
the connecting plate is arranged on one side, far away from the second steel bottom plate, of the bearing plate, and the connecting plate is connected with the prefabricated track beam through a plurality of shear nails.
Preferably, a plurality of stiffening ribs are arranged on the side face of the steel web plate and the lower end face of the first steel top plate.
Preferably, the width of the horseshoe-shaped web of the prefabricated track beam is 0.69m, and the width of the bottom plate is 2.1m.
Preferably, the prefabricated track beam is a prestressed concrete structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the track beam combined structure suitable for the straddle type monorail is characterized in that transverse partition plates are arranged on two sides of a steel structure longitudinal beam, the prefabricated track beam is connected with the transverse partition plates through connecting pieces, the prefabricated track beam is of a horseshoe-shaped structure, a slotted hole is formed in the middle of the prefabricated track beam, rigidity of the prefabricated track beam can be improved, beam distribution space of a bottom plate longitudinal prestress steel beam can be increased, a widened part and a web plate are provided with excessive chamfering, stress concentration of the prefabricated track beam is reduced, and the problem that transverse rigidity of the straddle type monorail beam is insufficient is solved;
2. this track roof beam integrated configuration suitable for stride a monorail, steel construction longeron is including first steel bottom plate, steel web and first steel roof, the diaphragm is including second steel bottom plate and second steel roof, prefabricated track roof beam's lower terminal surface, first steel bottom plate and second steel bottom plate parallel and level can regard as evacuation platform concurrently, solves and strides a monorail track roof beam transverse rigidity inadequately, influences driving comfort level and reduces evacuation platform investment cost high scheduling problem.
Drawings
FIG. 1 is an overall perspective view of the present utility model;
fig. 2 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a steel structure longitudinal beam; 101. a first steel bottom plate; 102. a first reinforcing plate; 103. a steel web; 104. a first steel top plate; 2. prefabricating a track beam; 3. a diaphragm; 31. a second steel bottom plate; 32. a second reinforcing plate; 33. a second steel top plate; 4. a connecting piece; 41. a pressure bearing plate; 42. a connecting plate; 5. stiffening ribs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-2, the present utility model provides a technical scheme of a track beam assembly structure suitable for a straddle type monorail: the utility model provides a track roof beam integrated configuration suitable for stride a monorail, including steel construction longeron 1 and prefabricated track roof beam 2, diaphragm 3 is all installed to steel construction longeron 1's both sides, is connected through installation connecting piece 4 between prefabricated track roof beam 2 and the diaphragm 3, and prefabricated track roof beam 2 is horseshoe-shaped structure and inside the long round hole of establishing the centre and dig, and prefabricated track roof beam 2 is horseshoe-shaped structure, and the track roof beam adopts whole hole prefabrication, horseshoe web width 0.69m, bottom plate width 2.1m, and the horseshoe is inside to dig, reduces the concrete dead weight.
The steel structure longitudinal beam 1 comprises a first steel bottom plate 101, a steel web 103 and a first steel top plate 104, wherein a plurality of first reinforcing plates 102 are welded on the upper end face of the first steel bottom plate 101, the first reinforcing plates 102 are distributed at intervals of 1.8-2.1 m, a manhole needs to be formed in the first reinforcing plates 102, a circle of stiffening plates need to be arranged in the manhole, the steel web 103 is welded on two sides of the upper end face of the first steel bottom plate 101, the first steel top plate 104 is welded on the upper end of the steel web 103, the width of the first steel top plate 104 is 750-850 mm, the first steel top plate 104 and the prefabricated track beam 2 participate in the longitudinal stress of the bridge together, the first steel top plate 104 and the first steel bottom plate 101 mainly bear the longitudinal bending moment of the bridge, the steel web 103 mainly bear the shearing force, the first reinforcing plates 102 mainly limit the torsional deformation of the steel beam, limit the distortion effect is significant for stabilizing the steel structure longitudinal beam 1, the steel structure longitudinal beam 1 and the first reinforcing plates 102 are transported to the site after being welded and assembled in a factory, lifted to a temporary support and welded on the site.
The diaphragm plate 3 comprises a second steel bottom plate 31 and a second steel top plate 33, the second steel bottom plate 31 is welded on one side of the first steel bottom plate 101, a plurality of second reinforcing plates 32 are welded on the upper end face of the second steel bottom plate 31, the second reinforcing plates 32 are distributed at intervals of 3.8 m-4.2 m, the lower end face of the prefabricated track beam 2, the first steel bottom plate 101 and the second steel bottom plate 31 are flush, the second steel top plate 33 is arranged on the upper end of the second reinforcing plates 32, and the first steel top plate 104 and the second steel top plate 33 are flush.
The connecting piece 4 comprises a bearing plate 41 and a connecting plate 42, one side of the bearing plate 41 is respectively connected with the second steel bottom plate 31, the second reinforcing plate 32 and the second steel top plate 33, the connecting plate 42 is welded on one side, far away from the second steel bottom plate 31, of the bearing plate 41, the bearing plate 41 is exposed for 10mm and is welded with the second reinforcing plate 32 on site, a plurality of shear nails are installed between the connecting plate 42 and the prefabricated track beam 2 to be connected, the length and thickness of the connecting plate 42 are required to meet the structural requirements and the force transmission requirements of the shear nails, the bearing plate 41, the connecting plate 42 and the shear nails are pre-buried in the prefabricated track beam 2 after being welded and assembled by factories to be cast together, the shear nails and the connecting plate 42 are welded in factories to transmit the shear force transmitted by the bearing plate 41 and connecting members thereof, the shear nails are uniformly arranged at intervals, and the shear nails have strong shear capacity and construction convenience.
A plurality of stiffening ribs 5 are welded on the side surface of the steel web 103 and the lower end surface of the first steel top plate 104, the stiffening ribs 5 of the first steel top plate 104 mainly limit the longitudinal compressive instability of the first steel top plate 104, and the stiffening ribs 5 of the steel web 103 mainly limit the shearing instability of the steel web 103.
The prefabricated track beams 2 are of prestressed concrete structures, prestressed tensioning is carried out by adopting a post-tensioning method, prestressed pipelines are required to be pre-buried when the prefabricated track beams 2 are prefabricated, the prestressed tensioning can generate upward camber, the prefabricated track beams 2 are required to be calculated according to dead weight, secondary constant load and the prestressed camber when being prefabricated, corresponding inverted camber values are set, and the beam storage time of each prefabricated track beam 2 is not less than 90 days.
The working principle of the utility model is as follows:
when the track beam combined structure suitable for the straddle type monorail is used, the bottom structure of the prefabricated track beam 2 is changed to be a horseshoe-shaped structure, a long round hole with a hollowed middle is arranged in the prefabricated track beam 2, so that the dead weight of the beam body is reduced, the quantity of beam body concrete and common reinforcing steel bars is saved, the economy is better, the section stress is similar to that of a box section, the track beam combined structure has larger bending resistance and torsional rigidity, the section efficiency is high, the transverse diaphragm plates 3 are arranged on a fulcrum, a span and 1/4 span, the transverse rigidity of the box beam is increased, the distortion effect is limited, the steel beam of the prefabricated track beam 2 is carried out according to the initial tensioning stage and the final tensioning stage, the width of the bottom concrete is widened outside the limit range of a vehicle due to shrinkage cracking of early concrete, the rigidity of the prefabricated track beam 2 can be improved, the beam space of a longitudinal prestress steel beam of a bottom plate can be increased, the widened part and the web are provided with excessive chamfer angles, so that stress concentration of the prefabricated track beams 2 is reduced, the steel structure longitudinal beam 1 is a box-shaped section, is positioned between two prefabricated track beams 2, the width of the first steel bottom plate 101 and the width of the first steel top plate 104 are 800mm, the first steel bottom plate 101 is flush with the bottom plate of the prefabricated track beams 2, the height of the first steel top plate 104 is flush with the vehicle bottom plate, the steel structure is also used as an evacuation platform, the steel structure is light in dead weight and high in strength, the steel structure longitudinal beam 1 is connected through the transverse partition plate 3 to participate in longitudinal stress of the prefabricated track beams 2, the distribution effect of the force of the prefabricated track beams 2 is reduced, the stiffening ribs 5 of the first steel top plate 104 and the steel web 103 are arranged, the stiffening ribs 5 of the first steel top plate 104 are positioned in the middle of the inner side of the first steel top plate 104, the stiffening ribs 5 of the steel web 103 are aligned with the first steel top plate 104, and the stiffening ribs 5 are welded with the first steel top plate 104 and the steel web 103, and then the plate is assembled and formed, the box-type steel structure longitudinal beam 1 is longitudinally provided with a first reinforcing plate 102, the longitudinal distance between the first reinforcing plate 102 is 2m, the diaphragm plate 3 is arranged in the first reinforcing plate 102, a manhole is arranged inside the first reinforcing plate 102, longitudinal communication is guaranteed, later inspection and maintenance are convenient, the diaphragm plate 3 is positioned between two prefabricated track beams 2 and is used for transversely connecting the prefabricated track beams 2 and the steel structure longitudinal beam 1, the second reinforcing plate 32 is longitudinally arranged at intervals of about 4m, the second reinforcing plate 32 is of an I-shaped steel structure, the second reinforcing plate 32 and the steel structure longitudinal beam 1 are welded and assembled in a factory and transported to be hoisted in place in the field, the track beam structure adopts a 30m simple support structure system, the prefabricated track beams 2, the steel structure longitudinal beam 1 and the diaphragm plate 3 are transported to the field after being prefabricated in the factory, the components are hoisted to bridge piers, the diaphragm plate 3 and the embedded components are welded in the field, and the embedded components are free of cast-in-place operation in the field.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Track roof beam integrated configuration suitable for stride a monorail, including steel construction longeron (1) and prefabricated track roof beam (2), its characterized in that: the steel structure longitudinal beam is characterized in that transverse partition plates (3) are arranged on two sides of the steel structure longitudinal beam (1), the prefabricated track beam (2) is connected with the transverse partition plates (3) through connecting pieces (4), and the prefabricated track beam (2) is of a horseshoe-shaped structure and is internally provided with a long round hole with a hollowed middle.
2. The track beam assembly for a straddle type monorail of claim 1, wherein: the steel structure longitudinal beam (1) comprises:
the steel plate comprises a first steel bottom plate (101), wherein a plurality of first reinforcing plates (102) are arranged on the upper end face of the first steel bottom plate (101), and the first reinforcing plates (102) are arranged at intervals of 1.8-2.1 m;
the steel webs (103) are arranged on two sides of the upper end face of the first steel bottom plate (101);
the steel web plate comprises a first steel top plate (104), wherein the first steel top plate (104) is arranged at the upper end of a steel web plate (103), and the width of the first steel top plate (104) is 750-850 mm.
3. The track beam assembly for a straddle type monorail of claim 2, wherein: the diaphragm plate (3) comprises:
the second steel bottom plate (31), the second steel bottom plate (31) is arranged on one side of the first steel bottom plate (101), a plurality of second reinforcing plates (32) are arranged on the upper end face of the second steel bottom plate (31), the second reinforcing plates (32) are arranged at intervals of 3.8 m-4.2 m, and the lower end face of the prefabricated track beam (2), the first steel bottom plate (101) and the second steel bottom plate (31) are flush;
and the second steel top plate (33), the second steel top plate (33) is arranged at the upper end of the second reinforcing plate (32), and the first steel top plate (104) and the second steel top plate (33) are flush.
4. The track beam assembly for a straddle type monorail of claim 1, wherein: the connecting piece (4) comprises:
a pressure bearing plate (41), wherein one side of the pressure bearing plate (41) is respectively connected with the second steel bottom plate (31), the second reinforcing plate (32) and the second steel top plate (33);
the connecting plate (42), connecting plate (42) set up in the one side that bearing plate (41) kept away from second steel bottom plate (31), connect through setting up a plurality of shear force nail between connecting plate (42) and the prefabricated track roof beam (2).
5. The track beam assembly for a straddle type monorail of claim 2, wherein: a plurality of stiffening ribs (5) are arranged on the side face of the steel web (103) and the lower end face of the first steel top plate (104).
6. The track beam assembly for a straddle type monorail of claim 1, wherein: the width of the horseshoe-shaped web of the prefabricated track beam (2) is 0.69m, and the width of the bottom plate is 2.1m.
7. The track beam assembly for a straddle type monorail of claim 1, wherein: the prefabricated track beam (2) is of a prestressed concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764047.6U CN220266205U (en) | 2023-07-06 | 2023-07-06 | Track beam combined structure suitable for straddle type monorail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764047.6U CN220266205U (en) | 2023-07-06 | 2023-07-06 | Track beam combined structure suitable for straddle type monorail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220266205U true CN220266205U (en) | 2023-12-29 |
Family
ID=89306500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321764047.6U Active CN220266205U (en) | 2023-07-06 | 2023-07-06 | Track beam combined structure suitable for straddle type monorail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220266205U (en) |
-
2023
- 2023-07-06 CN CN202321764047.6U patent/CN220266205U/en active Active
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