CN108313084A - A kind of underframe of subway structure meeting Unite States Standard requirement - Google Patents
A kind of underframe of subway structure meeting Unite States Standard requirement Download PDFInfo
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- CN108313084A CN108313084A CN201810322259.6A CN201810322259A CN108313084A CN 108313084 A CN108313084 A CN 108313084A CN 201810322259 A CN201810322259 A CN 201810322259A CN 108313084 A CN108313084 A CN 108313084A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
- B61F1/10—End constructions
Abstract
A kind of underframe of subway structure meeting Unite States Standard requirement belongs to track vehicle body structure R ＆ D design field comprising two end underframes composition, two side bars compositions, positioned at two side bars form between four cant beams composition, a central sill composition, two main beams compositions and two lower covers；End underframe composition includes the stiffening plate of endergonic structure composition, sleeper beam composition, four draw beam compositions, two carbon steel side bar compositions, two longeron compositions, the first main beam, multiple reinforcement risers, end underframe lower cover, two connecting angle irons and multiple and different structures.The underframe of subway structure of the present invention forms two side bar compositions and central sill composition totally three main skeleton structures for transmitting dynamic load in a longitudinal direction, the load generated in effective carrying and transmission collision process ensures the living space and safety of guest room zone passenger when the train for the trains and 10 marshallings that 10 are organized into groups collides.
Description
Technical field
The invention belongs to track vehicle body structure R ＆ D design fields, and in particular to a kind of to meet what Unite States Standard required
Underframe of subway structure.
Background technology
With the rapid development of rail traffic, the demand of rail vehicle is significantly increased in market, while also to vehicle
More stringent requirements are proposed for crash-worthiness and car body strength.For rail traffic passive security protects field relevant criterion, the U.S.
Standard is established one's own system, almost the seldom requirement of reference other standards system, to the passive security requirement of shelter of rail vehicle also pole
It is harsh.The ASME RT-2 that American market city rail vehicle product is mainly issued with American Society of Mechanical Engineers (ASME) at present
《The safety standard of heavy track transportation and communication structure design》For design considerations.Wherein RT refers to RAIL TRANSIT, including
Conventional subway, light-duty tramcar do not include other FRA (federal railway management administration) such as goods train, bullet train administrations
Rail vehicle.The latest edition of the standard was issued in 2014, and content and the version of publication in 2008 have relatively big difference, mainly
In terms of the crash requirements for being embodied in train.Compared to 2008 versions, release content eliminates end construction energy and pressure within 2014
The requirement of routed stroke, increases the related request of train and train collision operating mode.The ground of previous domestic railcar and the U.S.
Iron car is more concerned with the exploitation of end power-absorbing or endergonic structure, and has ignored the collision of train grade to guest room regional structure
Influence.The upgrading of the standard content means that Vehicle designers not only want focus development end energy absorbing structure, more wants emphasis
The living space and life security of passenger when developing chassis guest room regional structure to ensure train collision.
Crash requirements are in ASME RT-22014 standards：1) two row are in the vehicle reorganized and outfit under state, and a row are with 24km/h
The speed of (15mph) is advanced to static train, and two trains apply full service braking, ensures that the existence of passenger and driver are empty
Between；2) two row are advanced with the speed of 40km/h (25mph) to static train in the vehicle reorganized and outfit under state, a row, two trains
Apply full service braking, ensures the living space of guest room.
York City subway qualification project technical specification requires：1) vehicle in car body strength and vehicle interior arrangement range
End absorbs energy to greatest extent in a controlled manner；Analysis simultaneously should hit the hypothesis item of rigid wall based on a vehicle
Part；2) staffing load AW2 service conditions are based on, the energy absorption of body construction crush stroke is no less than in any case
1.22MJ, 4450kN is not to be exceeded in consecutive mean load value caused by the conquassation of end.
Invention content
The object of the present invention is to provide a kind of underframe of subway structures meeting Unite States Standard requirement, and it is 10 to be related to train
Marshaling, Undercarriage structure chassis guest room regional structure when train collides can play the passenger safety that adequately protects
Effect, which had not only met the requirement of York City subway qualification project technical specification, but also met Unite States Standard ASME
The requirement of RT-22014.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of underframe of subway structure meeting Unite States Standard requirement comprising two end underframe compositions, two side bars
Composition, four cant beams composition between two side bars compositions, a central sill composition, two main beams compositions and two lower covers
Plate；The end underframe composition includes endergonic structure composition, sleeper beam composition, four draw beams form, two carbon steel side bars form,
Two longeron compositions, the first main beam, multiple reinforcement risers, end underframe lower cover, two connecting angle irons and multiple and different knots
The stiffening plate of structure, the endergonic structure composition use anti-climbing energy-absorbing device；
Sleeper beam composition is by the reinforcement gusset, multiple and different of sleeper beam upper cover plate, sleeper beam lower cover, multiple and different structures
The support plate of structure mends the body structure that plate, centrepin backing plate, air spring backing plate are formed by welding；Multiple and different structures
Reinforcement gusset is respectively welded at the junction of sleeper beam upper cover plate and sleeper beam lower cover, the support plate of multiple and different structures and benefit plate weldering
It is connected on the inside of above-mentioned body structure, top and the sleeper beam upper cover plate of multiple support plates weld, the lower section of multiple support plates and pillow
Beam lower cover welds；Centrepin backing plate and air spring backing plate are welded on sleeper beam lower cover；Four draw beams composition is located at
The rear side of endergonic structure composition, the outside of sleeper beam composition, draw beam composition is welded by the first flute profile longeron and draw beam riser
The front end of the body structure of formation, this body structure is welded on the end carriage of endergonic structure composition, and rear end is welded on sleeper beam composition
Outside；The front end of described two carbon steel side bar compositions is welded on the both sides of endergonic structure composition end carriage, two carbon steel side bar groups
At middle part be welded on the both sides of sleeper beam composition, the rear end of two carbon steel side bars composition is welded on the both sides of the first main beam；Carbon
Steel side bar composition is to be formed by the groove profile carbon steel side bar welding of two different-thickness, and multiple reinforcement are respectively welded on the inside of it
Channel and carbon steel side bar riser；For described two longeron compositions positioned at the inside of sleeper beam composition, the outside of the first main beam, two vertical
The front end of beam composition is welded on sleeper beam composition, and rear end is welded on the first main beam, and longeron composition is by the second flute profile
Longeron welds the body structure to be formed with longeron riser；The multiple reinforcement riser is welded on positioned at sleeper beam composition and the first main cross
The inside of carbon steel side bar composition between beam；The front end of the end underframe lower cover is welded with sleeper beam lower cover, rear end and the
One main beam welds, and the upper surface and the lower face of longeron composition of end underframe lower cover are welded；Described two connecting angle irons are equal
For L-type side beam, two connecting angle irons are welded on endergonic structure composition and the end face outside at carbon steel side bar composition link position
On；The stiffening plate of the multiple different structure be respectively welded at sleeper beam composition with carbon steel side bar composition link position at, sleeper beam
Composition at the link position of draw beam composition, sleeper beam composition at the link position of longeron composition, the first main beam and longeron
At the link position of composition；
Two side bars composition is formed with two carbon steel side bars of the same side respectively to be welded, and two main beams compositions are respectively with two
A first main beam is arranged in parallel, and inner vertical of two main beam compositions respectively with two side bar compositions welds；Four tiltedly
It is one group that beam, which forms two, is in the shape of the letter V and is welded between the first main beam and main beam composition, and the intersection point of V-shaped is located at master
The midpoint of crossbeam composition；The both ends of central sill composition are vertically welded in the midpoint of two main beams composition, two lower covers
Surrounding is welded with cant beam composition, main beam composition, the first main beam respectively.
The closed cavity structure that above-mentioned side bar composition is mainly formed by the outer side bar and interior side bar welding of flute profile, outer side bar
Thickness be 4mm, the thickness of interior side bar is 3mm.
Above-mentioned central sill composition is by two W-shaped longitudinal beams, central sill upper cover plate, central sill lower cover and two central sill stiffening plate structures
At closed box structure, two W-shaped longitudinal beams are symmetrical arranged, and the upper end of the two is welded with the inner face of central sill upper cover plate,
It is welded with the inner face of central sill lower cover the lower end of the two；Two central sill stiffening plate correspondences are vertically welded in two W-shaped longitudinal directions
The lateral openings end of beam, the length of two central sill stiffening plates are less than the length of two W-shaped longitudinal beams；The length of two W-shaped longitudinal beams
Degree and the length of central sill upper cover plate and being equal in length for central sill lower cover.
Above-mentioned cant beam composition is the body structure being made of third flute profile longeron and cant beam riser, and cant beam riser is welded on the
The lateral openings end of groove-shaped longeron, the riser equal length of the length and third flute profile longeron of cant beam riser.
Above-mentioned main beam composition includes the second main beam and crossbeam stiffening plate, and the second main beam is beam channel, crossbeam reinforcement
Plate is welded on the intermediate position of the second main beam, and the both ends of central sill composition are vertically welded on crossbeam stiffening plate.
The beneficial effects of the invention are as follows：The end energy absorbing structure composition of the Undercarriage structure can be according to controllable mode sequence
Deformation can absorb the energy of 1.22MJ and bear the longitudinal compressing force of 1424kN；Sleeper beam group becomes bogie offer installation and connects
Mouthful, can bear the active force for being applied to bogie draw point position 667kN while optimize loss of weight, and car body with turn
It is not damaged to the link position of frame；Sleeper beam upper cover plate is only 4mm thickness A710 carbon steel materials, and sleeper beam lower cover is 6mm thick
A710 materials.Two end underframes composition, two side bars compositions, positioned at two side bars form between four cant beams composition, in
The structures such as beam composition, two main beam compositions and two lower covers constitute the orderly undercarriage frame structure of internal transverse and longitudinal, simultaneously
Two side bar compositions and central sill composition totally three main skeleton structures for transmitting dynamic load are formd in a longitudinal direction, are had
The load generated in the carrying of effect and transmission collision process ensures that the trains for the trains and 10 marshallings that 10 are organized into groups collide
When guest room zone passenger living space and safety.
Description of the drawings
Fig. 1 is the dimensional structure diagram for the underframe of subway structure that the present invention meets Unite States Standard requirement；
Fig. 2 is the backsight structural representation of Fig. 1；
Fig. 3 is the dimensional structure diagram of end underframe composition of the present invention；
Fig. 4 is the backsight structural representation of Fig. 3；
Fig. 5 is the dimensional structure diagram of sleeper beam composition of the present invention；
Fig. 6 is sleeper beam composed structure schematic diagram of the present invention in addition to upper cover plate；
Fig. 7 is the backsight structural representation of Fig. 5；
Fig. 8 is the structural schematic diagram of draw beam composition of the present invention；
Fig. 9 is the structural schematic diagram of carbon steel side bar composition of the present invention；
Figure 10 is the structural schematic diagram of carbon steel side bar composition of the present invention；
Figure 11 is the structural schematic diagram of two longerons composition of the invention；
Figure 12 is the structural schematic diagram of the first main beam of the invention；
Figure 13 is the section structure diagram of two side bars composition of the invention；
Figure 14 is the section structure diagram of central sill composition of the present invention；
Figure 15 is the structural schematic diagram of two cant beams composition of the invention；
Figure 16 is the structural schematic diagram of main beam composition of the present invention.
Specific implementation mode
The present invention is described in further details below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of underframe of subway structure meeting Unite States Standard requirement of the present invention is by two ends
Chassis forms 1, two side bar composition 2, four cant beams between two side bar compositions 2 form 4, central sill compositions 3, two
A main beam composition structures such as 6 and two lower covers 5 constitute the orderly undercarriage frame structure of internal transverse and longitudinal, two side bar compositions 2
Collision dynamic load effectively can be carried and be transmitted with a central sill composition 3, ensures guest room zone passenger when train collides
Living space and safety.
As shown in Figure 3 and Figure 4, end underframe composition 1 includes endergonic structure composition 1-1, sleeper beam composition 1-2, four tractions
Beam form 1-3, two carbon steel side bars composition 1-4, two longerons composition 1-5, the first main beam 1-6, multiple reinforcement riser 1-7,
The stiffening plate 1-10 of end underframe lower cover 1-8, two connecting angle iron 1-9 and multiple and different structures.One end of subway bottom
Frame forms 1 with "A" end of car portion chassis composition 1 the difference is that the end both sides carbon steel side bar composition 1-4 increase collision column and lead to
Via；The key construction of end underframe composition 1 is box structure, and the rectangle conquassation case of endergonic structure composition 1-1,
The draw beam composition 1-3 of inside, the inner support panels of sleeper beam composition 1-2 and longeron composition 1-5 are respectively positioned on straight line so that
Load being capable of reasonable layout and transmission.The endergonic structure composition 1-1 is using Chinese patent CN106696982A in May, 2017
Anti-climbing energy-absorbing device disclosed in 24 days, the energy absorption which meets body construction crush stroke in any case are no less than
1.22MJ, consecutive mean load value is no more than 4450kN caused by the conquassation of end.
As shown in Figures 5 to 7, sleeper beam composition 1-2 be by sleeper beam upper cover plate 1-2-1, sleeper beam lower cover 1-2-2, it is multiple not
Isostructural reinforcement gusset 1-2-3, the support plate 1-2-4 of multiple and different structures, benefit plate 1-2-5, centrepin backing plate 1-2-6, sky
The body structure that gas spring backing plate 1-2-7 is formed by welding.The reinforcement gusset 1-2-3 of multiple and different structures is respectively welded at sleeper beam
The junction of upper cover plate 1-2-1 and sleeper beam lower cover 1-2-2, to ensure the rigidity of sleeper beam lower cover 1-2-2 regional areas.It is multiple
The support plate 1-2-4 and benefit plate 1-2-5 of different structure are welded on the inside of above-mentioned body structure, and multiple support plate 1-2-4's is upper
Side is welded with sleeper beam upper cover plate 1-2-1, and lower section and the sleeper beam lower cover 1-2-2 of multiple support plate 1-2-4 are welded, to ensure sleeper beam
Form the joint strength and rigidity requirement of 1-2 and bogie；When welding, multiple support plate 1-2-4 elder generations and sleeper beam upper cover plate 1-2-1
It is welded, is welded between each support plate 1-2-4 for then having connection relation, last sleeper beam lower cover 1-2-2 passes through circle
The mode of inner ring fillet welding is attached with each support plate 1-2-4, is connected by way of groove welding with sleeper beam upper cover plate 1-2-1
It connects.After the completion of sleeper beam forms the welding box body of 1-2, centrepin backing plate 1-2-6 and air spring backing plate 1-2-7 is passed through into circle inner ring angle
The mode of weldering and the weldering of surrounding section is welded on sleeper beam lower cover 1-2-2.
As shown in figures 3 and 8, four draw beam composition 1-3 are located at the rear side of endergonic structure composition 1-1, sleeper beam composition 1-2
Outside, draw beam composition 1-3 is to weld the body structure formed by the first flute profile longeron 1-3-1 and draw beam riser 1-3-2,
The front end of this body structure is welded on the end carriage of endergonic structure composition 1-1, and rear end is welded on the outside of sleeper beam composition 1-2.
As shown in Fig. 3, Fig. 9 and Figure 12, the front end of two carbon steel side bar composition 1-4 is welded on the ends endergonic structure composition 1-1
The both sides of beam, two carbon steel side bars form the both sides that sleeper beam composition 1-2 is welded in the middle part of 1-4, and two carbon steel side bars form 1-4
Rear end be welded on the both sides of the first main beam 1-6；Two slots of carbon steel side bar composition 1-4 to be by thickness be respectively 6mm and 4mm
Type carbon steel side bar 1-4-1 is welded, and multiple reinforcement channel 1-4-2 and carbon steel side bar riser 1- are respectively welded on the inside of it
4-3 increases multiple reinforcement channel 1-4-2 to ensure the interface requirement of carbon steel boundary beam rigidity and unwheeling point, it is vertical to increase carbon steel side bar
When plate 1-4-3 is to ensure collision larger dynamic load can be born at this.As shown in Figure 10, two carbon steel side bars form 1-4
Symmetrical configuration.
As in figs. 3 and 11, two longerons composition 1-5 are located at sleeper beam and form the inside of 1-2, the first main beam 1-6
The front end in outside, two longeron composition 1-5 is welded on sleeper beam composition 1-2, and rear end is welded on the first main beam 1-6,
Longeron composition 1-5 is to weld the body structure formed by the second flute profile longeron 1-5-1 and longeron riser 1-5-2.
As shown in Figure 3 and Figure 4, multiple reinforcement riser 1-7 be welded on positioned at sleeper beam composition 1-2 and the first main beam 1-6 it
Between carbon steel side bar composition 1-4 inside.The front end of end underframe lower cover 1-8 is welded with sleeper beam lower cover 1-2-2, rear end with
First main beam 1-6 welding, the upper surface and the lower face of longeron composition 1-5 of end underframe lower cover 1-8 are welded.Two connections
Angle bar 1-9 is L-type side beam, and two connecting angle iron 1-9 are welded on endergonic structure composition 1-1 and carbon steel side bar composition 1-4 and connect
It connects in the end face outside at position, to ensure the intensity requirement of connection structure.The stiffening plate 1-10 of multiple and different structures is welded respectively
It is connected at the link position of sleeper beam composition 1-2 and carbon steel side bar composition 1-4, the connection of sleeper beam composition 1-2 and draw beam composition 1-3
At position, at the link position of sleeper beam composition 1-2 and longeron composition 1-5, the connection of the first main beam 1-6 and longeron composition 1-5
At position, the stiffening plate 1-10 of these different structures is mainly used at structure connection square position, prevents local stress collection
The problems in.
As shown in Figures 1 to 4, two side bar compositions 2 are welded with the composition 1-4 arc-welding of two carbon steel side bars of the same side respectively
Connect, two main beams composition 6 is arranged in parallel with two the first main beam 1-6 respectively, and two main beams compositions 6 respectively with two
The inner vertical welding of side bar composition 2.Four cant beams form 4 two be one group, be in the shape of the letter V be welded on the first main beam 1-6 with
Between main beam composition 6, and the intersection point of V-shaped is located at the midpoint of main beam composition 6.The both ends vertical welding of central sill composition 3
It is led respectively with cant beam composition 4, main beam composition 6, first in the surrounding of the midpoint of two main beam compositions 6, two lower covers 5
Crossbeam 1-6 welding.
As shown in Fig. 2 and Figure 13, two side bar compositions 2 mainly weld shape by the outer side bar 3-1 and interior side bar 3-2 of flute profile
At closed cavity structure, two side bars composition 2 is symmetrical arranged, and the thickness of outer side bar 3-1 is 4mm, and the thickness of interior side bar 3-2 is
3mm.Side bar composition 2 in the case of said combination is not only vertical with larger rigidity, while can bear and transmit 10 volumes
The dynamic load generated when group train collision.
As shown in Fig. 2 and Figure 14, central sill composition 3 is by two W-shaped longitudinal beam 3-1, central sill upper cover plate 3-2, central sill lower cover
The closed box structure that plate 3-3 and two central sill stiffening plate 3-4 are constituted, two W-shaped longitudinal beam 3-1 are symmetrical arranged, the two it is upper
End is welded with the inner face of central sill upper cover plate 3-2, and the lower end of the two is welded with the inner face of central sill lower cover 3-3；Two
Central sill stiffening plate 3-4 corresponds to the lateral openings end for being vertically welded in two W-shaped longitudinal beam 3-1, the length of two central sill stiffening plate 3-4
Length of the degree less than two W-shaped longitudinal beam 3-1；The length of two W-shaped longitudinal beam 3-1 and the length of central sill upper cover plate 3-2 and
Central sill lower cover 3-3's is equal in length.As shown in Fig. 2, two central sill stiffening plate 3-4 are not elongated, the central sill reinforcement
Plate 3-4 makes the end of central sill composition 3 meet the dynamic load impact requirement being locally subject to when collision.
As shown in figure 15, cant beam composition 4 is the body structure being made of third flute profile longeron 4-1 and cant beam riser 4-2, tiltedly
Beam riser 4-2 is welded on the lateral openings end of third flute profile longeron 4-1, length and the third flute profile longeron 4-1 of cant beam riser 4-2
Riser equal length.
As shown in figure 16, main beam composition 6 includes the second main beam 6-1 and crossbeam stiffening plate 6-2, the second main beam 6-1
For beam channel, crossbeam stiffening plate 6-2 is welded on the intermediate position of the second main beam 6-1, and the both ends of central sill composition 3 are vertically welded in
On crossbeam stiffening plate 6-2.Two rows of bearing structures that four cant beams are formed 4 by main beam composition 6 concentrate bearing structure in a row simultaneously
It is located on straight line with central sill composition 3 so that load can effectively pass to central sill composition 3, and structure is beautiful and conducive under vehicle
Equipment is installed.
When the underframe of subway structure that the present invention meets Unite States Standard requirement is tried out, when the train of 10 marshallings collides
When, endergonic structure composition 1-1 is controllably sequentially transmitted and plastic deformation is caused to destroy.Two end underframe compositions 1,
Two side bar compositions 2, four cant beams between two side bar compositions 2 form 4, central sills and form 3, two main beam groups
The orderly undercarriage frame structure of internal transverse and longitudinal is constituted at the structures such as 6 and two lower covers 5, while being formd in a longitudinal direction
Two side bar compositions 2 and a central sill form 3 three main skeleton structures for transmitting dynamic load, effective carrying and transmission
The load generated in collision process ensures guest room zone passenger when the trains for the train and 10 marshallings that 10 are organized into groups collide
Living space and safety, improve the passive security protective value of train to greatest extent.
Claims (5)
1. a kind of underframe of subway structure meeting Unite States Standard requirement, it is characterised in that：The Undercarriage structure includes two ends
Chassis forms (1), two side bar compositions (2), four cant beams composition (4), the central sill being located between two side bars compositions (2)
Form (3), two main beam compositions (6) and two lower covers (5)；
The end underframe composition (1) includes endergonic structure composition (1-1), sleeper beam composition (1-2), four draw beam composition (1-
3), two carbon steel side bars composition (1-4), two longerons compositions (1-5), the first main beam (1-6), multiple reinforcement risers (1-7),
The stiffening plate (1-10) of end underframe lower cover (1-8), two connecting angle irons (1-9) and multiple and different structures, the energy-absorbing knot
Structure forms (1-1) and uses anti-climbing energy-absorbing device；
The sleeper beam composition (1-2) is by the benefit of sleeper beam upper cover plate (1-2-1), sleeper beam lower cover (1-2-2), multiple and different structures
Strengthening tendons plate (1-2-3), the support plate (1-2-4) of multiple and different structures, benefit plate (1-2-5), centrepin backing plate (1-2-6), air
The body structure that spring backing plate (1-2-7) is formed by welding；The reinforcement gusset (1-2-3) of multiple and different structures is respectively welded at pillow
The junction of beam upper cover plate (1-2-1) and sleeper beam lower cover (1-2-2), the support plate (1-2-4) and benefit plate of multiple and different structures
(1-2-5) is welded on the inside of above-mentioned body structure, and top and the sleeper beam upper cover plate (1-2-1) of multiple support plates (1-2-4) weld
It connects, lower section and the sleeper beam lower cover (1-2-2) of multiple support plates (1-2-4) weld；Centrepin backing plate (1-2-6) and air spring pad
Plate (1-2-7) is welded on sleeper beam lower cover (1-2-2)；
Four draw beams composition (1-3) is located at the outside of the rear side of endergonic structure composition (1-1), sleeper beam composition (1-2), leads
It is to weld the body structure formed by the first flute profile longeron (1-3-1) and draw beam riser (1-3-2) to draw beam composition (1-3), this
The front end of body structure is welded on the end carriage of endergonic structure composition (1-1), and rear end is welded on the outside of sleeper beam composition (1-2)；
The front end of described two carbon steel side bar compositions (1-4) is welded on the both sides of endergonic structure composition (1-1) end carriage, two carbon steels
The both sides of sleeper beam composition (1-2), the rear end welding of two carbon steel side bar compositions (1-4) are welded in the middle part of side bar composition (1-4)
In the both sides of the first main beam (1-6)；It is by the groove profile carbon steel side bar (1-4- of two different-thickness that carbon steel side bar, which forms (1-4),
1) it is welded, and is respectively welded multiple reinforcement channels (1-4-2) and carbon steel side bar riser (1-4-3) on the inside of it；
Described two longerons composition (1-5) be located at the inside of sleeper beam composition (1-2), the first main beam (1-6) outside, two are indulged
The front end of beam composition (1-5) is welded on sleeper beam composition (1-2), and rear end is welded on the first main beam (1-6), longeron group
It is that the body structure formed is welded by the second flute profile longeron (1-5-1) and longeron riser (1-5-2) at (1-5)；
The multiple reinforcement riser (1-7) is welded on the carbon steel side between sleeper beam composition (1-2) and the first main beam (1-6)
Beam forms the inside of (1-4)；
The front end of the end underframe lower cover (1-8) is welded with sleeper beam lower cover (1-2-2), rear end and the first main beam (1-
6) it welds, the upper surface of end underframe lower cover (1-8) is welded with the lower face of longeron composition (1-5)；
Described two connecting angle irons (1-9) are L-type side beam, and two connecting angle irons (1-9) are welded on endergonic structure composition (1-
1) it is formed with carbon steel side bar in the end face outside at (1-4) link position；
The stiffening plate (1-10) of the multiple different structure is respectively welded at sleeper beam composition (1-2) and forms (1-4) with carbon steel side bar
Link position at, at the link position of sleeper beam composition (1-2) and draw beam composition (1-3), sleeper beam composition (1-2) and longeron group
At link position at (1-5), at the link position of the first main beam (1-6) and longeron composition (1-5)；
Two side bar compositions (2) are welded with two carbon steel side bars of the same side composition (1-4) respectively, and two main beams form (6)
It is arranged in parallel respectively with two the first main beams (1-6), and two main beam compositions (6) form (2) with two side bars respectively
Inner vertical welds；It is one group that four cant beams, which form (4) two, is in the shape of the letter V and is welded on the first main beam (1-6) and main beam group
At between (6), and the intersection point of V-shaped is located at the midpoint of main beam composition (6)；The both ends of central sill composition (3) are vertically welded in
The midpoint of two main beams composition (6), the surroundings of two lower covers (5) respectively with cant beam composition (4), main beam composition (6),
First main beam (1-6) welds.
2. a kind of underframe of subway structure meeting Unite States Standard requirement as described in claim 1, it is characterised in that：The side
Beam composition (2) is mainly to weld the closed cavity structure formed, outer side bar by the outer side bar (3-1) and interior side bar (3-2) of flute profile
The thickness of (3-1) is 4mm, and the thickness of interior side bar (3-2) is 3mm.
3. a kind of underframe of subway structure meeting Unite States Standard requirement as described in claim 1, it is characterised in that：In described
It is by two W-shaped longitudinal beams (3-1), central sill upper cover plate (3-2), central sill lower cover (3-3) and two central sill reinforcement that beam, which forms (3),
The closed box structure that plate (3-4) is constituted, two W-shaped longitudinal beams (3-1) are symmetrical arranged, the upper end of the two with central sill upper cover plate
The inner face of (3-2) welds, and the lower end of the two is welded with the inner face of central sill lower cover (3-3)；Two central sill stiffening plate (3-
4) the corresponding lateral openings end for being vertically welded in two W-shaped longitudinal beams (3-1), the length of two central sill stiffening plates (3-4) are less than
The length of two W-shaped longitudinal beams (3-1)；The length of two W-shaped longitudinal beams (3-1) and the length of central sill upper cover plate (3-2) and
Central sill lower cover (3-3's) is equal in length.
4. a kind of underframe of subway structure meeting Unite States Standard requirement as described in claim 1, it is characterised in that：It is described oblique
Beam composition (4) is the body structure being made of third flute profile longeron (4-1) and cant beam riser (4-2), cant beam riser (4-2) welding
At the lateral openings end of third flute profile longeron (4-1), the riser of the length and third flute profile longeron (4-1) of cant beam riser (4-2)
Equal length.
5. a kind of underframe of subway structure meeting Unite States Standard requirement as described in claim 1, it is characterised in that：The master
It includes the second main beam (6-1) and crossbeam stiffening plate (6-2) that crossbeam, which forms (6), and the second main beam (6-1) is beam channel, crossbeam
Stiffening plate (6-2) is welded on the intermediate position of the second main beam (6-1), and the both ends of central sill composition (3) are vertically welded in crossbeam benefit
On strong plate (6-2).
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| CN201810322259.6A CN108313084B (en) | 2018-04-11 | 2018-04-11 | Meet the underframe of subway structure of the requirement of Unite States Standard ASME RT-2 2014 |
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| CN201810322259.6A CN108313084B (en) | 2018-04-11 | 2018-04-11 | Meet the underframe of subway structure of the requirement of Unite States Standard ASME RT-2 2014 |
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| CN108313084B CN108313084B (en) | 2019-07-02 |
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