CN204728225U - A kind of rail rail traffic bridge of embracing evacuates inspection platform - Google Patents

A kind of rail rail traffic bridge of embracing evacuates inspection platform Download PDF

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Publication number
CN204728225U
CN204728225U CN201520442474.1U CN201520442474U CN204728225U CN 204728225 U CN204728225 U CN 204728225U CN 201520442474 U CN201520442474 U CN 201520442474U CN 204728225 U CN204728225 U CN 204728225U
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CN
China
Prior art keywords
fire escape
rail
railing
inspection platform
access path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520442474.1U
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Chinese (zh)
Inventor
文望青
罗世东
耿杰
林文泉
赵志军
杨光
曹文杰
崔阳华
段鋐
俞浪林
文功启
陈锋
田芳
刘杰
马春
傅彬
张路
张莉
李东锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
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Priority to CN201520442474.1U priority Critical patent/CN204728225U/en
Application granted granted Critical
Publication of CN204728225U publication Critical patent/CN204728225U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of rail rail traffic bridge of embracing and evacuate inspection platform, to comprise between two juxtaposed single line case beams longitudinally spaced crossbeam, it is characterized in that, also comprise and be arranged on the longitudinal access path above crossbeam and the fire escape above access path, on described crossbeam, two ends are provided with the column for supporting fire escape.Evacuation inspection platform is arranged on crossbeam by the utility model, and adopt fire escape, access path double-decker, the two use is independent of each other, and structure is simple, easy to use, safe.

Description

A kind of rail rail traffic bridge of embracing evacuates inspection platform
Technical field
The utility model relates to bridge construction technical field, refers to that a kind of rail rail traffic bridge of embracing evacuates inspection platform particularly.
Background technology
Magnetic levitation track traffic and cross-saddle single-track traffic all adopt unique " embracing rail " method of operation, and the small bore single line case beam meeting vehicle gauge is the most economical beam type of " embracing rail " formula track traffic.Program beam structure is travelled by vehicle track, and the juxtaposed mode process of two panels single line case beam is taked in two-wire location, and domestic built magnetic is floating all adopts this beam type with straddle-seat type single traffic rail beam.Fig. 1 is Shanghai high speed Maglev rail beam sectional view, Tu2Shi Chongqing City straddle-seat type single traffic rail beam sectional view, and Fig. 3 is certain medium-and low-speed maglev traffic experiment line rail beam sectional view." embrace rail " because of vehicle to run, on small bore single line box girder bridge, space is less, limited space can be utilized, case top surface of the beam can only meet track and arrange needs, power rail, cable can be hung on outward case beam sides and bottom surface, and passage when circuit maintenance repair maintenance and vehicle generation accident needed for passenger's emergency evacuation cannot be arranged.
Shanghai high speed Maglev, domestic medium-and low-speed maglev test wire and Chongqing build Article 1 cross-saddle single-track traffic line---No. 2 line elevated bridges all do not arrange evacuation inspection platform, as Human Evacuation during Emergency difficulties such as fire, on bridge, line upkeep is also more inconvenient.For meeting circuit regular maintenance and rescue run needs, Chongqing City is when building Article 2 cross-saddle single-track traffic line-Rail Transit Line 3, complete the cable laying along circuit by erection girder steel independent between two trajectory beams, on it, grid coverage steel plate forms maintenance and rescue run passage.This processing mode solves the access issues of daily line upkeep and passenger's emergency evacuation, but still there are some defects: fire escape end face is far below vehicle floor face, and evacuating personnel is extremely inconvenient; Around fire escape, railing is not set, when the amount of evacuating an endless flow of people is large, swarm and jostlement event easily occurs; Inspection platform and rescue run passage are integrated, and the cable that inspection platform is placed breaks when passenger evacuation or electric leakage can cause personal injury to passenger.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, a kind of rail rail traffic bridge of embracing is provided to evacuate inspection platform, fire escape is arranged on above access path, meets the evacuation of in emergency circumstances personnel and the daily maintenance to circuit simultaneously.
The technical solution of the utility model is: a kind of rail rail traffic bridge of embracing evacuates inspection platform, to comprise between two juxtaposed single line case beams longitudinally spaced crossbeam, it is characterized in that, also comprise and be arranged on the longitudinal access path above crossbeam and the fire escape above access path, on described crossbeam, two ends are provided with the column for supporting fire escape.
Preferably, described access path comprises access path base plate and is longitudinally arranged on below same heel post, is connected the lower longeron of adjacent upright posts, and described access path base plate longitudinal direction to be laid under both sides on longeron.
Further, described fire escape comprises fire escape base plate and is longitudinally arranged on above same heel post, is connected the upper longeron of adjacent upright posts, and described fire escape base plate longitudinal direction to be laid on both sides on longeron.
Further, on described fire escape, between longeron, lateral separation is provided with cross rib plate, and described access path also comprises the web member arranging, be connected lower longeron outside upper longeron with cross rib plate corresponding position straight down.
Further, described access path web member is provided with the guardrail longitudinally connecting many web members, and multilayer guardrail vertical direction interval is arranged.
Further, described access path web member is provided with cable bearer, and described cable bearer comprises the longitudinal carrier be vertically fixed on web member and the multilayer horizontal support be connected on longitudinal carrier.
Further, described fire escape fire escape plate upper surface height flushes in or lower than vehicle height of floor from rail top on two single line case beams.
Preferably, described fire escape both lateral sides is provided with railing, and described railing longitudinally interval is arranged, and the interval of described fire escape both lateral sides railing is interlaced.
Further, on described fire escape, railing comprises the secondary railing that interval arranges longitudinally both sides below main railing and main railing, and described main railing, secondary railing are the quadra that many cross bars and Duo Gen montant are connected to form.
Further, be provided with the handrail that can manually open above described fire escape railing, described handrail is that one end is fixed on railing, the dismountable suspension chain be connected in longitudinal adjacent handrails in one end.
In the utility model, arrange crossbeam by between two single line case beams, two casees beams are connected by crossbeam, increase overall lateral stiffness.Evacuating inspection platform is arranged on crossbeam, adopts double-decker, and upper strata is as fire escape, and lower floor is as access path, and fire escape is used for the evacuation of in emergency circumstances personnel, and access path is used for daily line upkeep, and the two use is independent of each other.
Advantage of the present utility model is:
1. fire escape both sides arrange railing, protect pedestrian, and when avoiding evacuating, the excessive crowded personnel of causing of the stream of people fall, and increase safety.
2. fire escape either flush in or a little less than vehicle floor on two single line case beams, be convenient to passenger and directly enter fire escape, in case of emergency add the speed of evacuating personnel.
3. fire escape, access path are undertaken being connected to form overall structure by column, web member, upper longeron, lower longeron, and fastness is high, and supporting capacity is strong.
4. be provided with multilayer cable holder outside access path, be convenient to the placement of cable, and cable and fire escape are kept apart, contact cable when avoiding evacuating personnel and cause danger.
Accompanying drawing explanation
Fig. 1 is Shanghai high speed Maglev rail beam sectional view
Fig. 2 is Chongqing City's straddle-seat type single traffic rail beam sectional view
Fig. 3 is certain medium-and low-speed maglev traffic experiment line rail beam sectional view
Fig. 4 is crossbeam cross sectional representation
Fig. 5 is that the utility model evacuates inspection platform vertical structure schematic diagram
Fig. 6 is the utility model fire escape framework top view (without railing and fire escape base plate)
Fig. 7 is A-A sectional drawing in Fig. 5 (having column place)
Fig. 8 is B-B sectional drawing in Fig. 5 (having web member place)
Fig. 9 is E place structure enlarged diagram in Fig. 5
Figure 10 is C-C sectional drawing in Fig. 9
Figure 11 is D-D sectional drawing in Fig. 9
Figure 12 is F place structure enlarged diagram in Fig. 8
Figure 13 is main diaphragm structure schematic diagram
Figure 14 is secondary diaphragm structure schematic diagram
Wherein: 1. on case beam 2. crossbeam 3. access path 4. fire escape 5. cable bearer 6. railing 7. column 31. access path base plate 32. times longeron 33. web member 34. guardrail 35. junction plate 41. fire escape base plates 42., longeron 43. cross rib plate 44. is encorbelmented the 45. main diaphragm 46. secondary diaphragm 51. longitudinal carrier 52. main railing 62. of horizontal support 61. secondary railing 63. handrail.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Existing rail beam sectional view, is explained in detail in the introduction, repeats no more in this as Figure 1-3.
As Figure 4-8, evacuation inspection platform of the present utility model to comprise between juxtaposed two single line case beams 1 longitudinally spaced crossbeam 2, and two casees beams 1 are connected by crossbeam 2, increases overall lateral stiffness; The utility model also comprises and is arranged on the longitudinal access path 3 on crossbeam 2 and the fire escape 4 above access path.Crossbeam 2 two ends arrange column 7 and support fire escape 4, and access path 3 comprises access path base plate 31 and to be arranged on below same heel post 7 the lower longeron 32 longitudinally connecting many root posts 7, and access path base plate 31 to be longitudinally laid under both sides on longeron 32; Upper longeron 42 lateral separations that fire escape 4 comprises fire escape base plate 41 and to be arranged on above two heel posts 7 the upper longeron 42, two that longitudinally connects many root posts parallel are provided with cross rib plate 43, and cross rib plate 43 adds structural strength by connecting between longeron on two 42.Outside upper longeron 42 with cross rib plate 43 corresponding position to the web member 33 having vertical direction and be connected lower longeron 32, upper longeron 42 is connected with lower longeron 32 by web member 33, is strengthened further by the bonding strength of access path 3 and fire escape 4.Upper longeron 42 upper surface is concordant with cross rib plate 43 upper surface, fire escape base plate 41 is longitudinally laid on longeron 42 and cross rib plate 43 upper surface, fire escape base plate 41 upper level flushes in or lower than vehicle height of floor from rail top on two single line case beams 1, in the present embodiment, fire escape base plate 41 upper level is a little less than vehicle height of floor from rail top on two single line case beams 1.Fire escape base plate 41 both lateral sides is provided with railing 6.
Upper longeron 42 is interval with main cantilevered structure, and main cantilevered structure is mainly used in installing cross rib plate 43 and web member 33.Also be interval with secondary cantilevered structure outside upper longeron 42, main cantilevered structure, secondary cantilevered structure are all for being fixedly installed on the railing 6 of fire escape base plate 41 both lateral sides.As shown in figs. 9-11, main cantilevered structure comprises L-type and to encorbelment 44 and main diaphragm 45, main diaphragm 45 structure as shown in figure 13, main diaphragm 45 is welded on longeron 42, two 44 vertical arms of encorbelmenting weld with the two sides of main diaphragm 45 at main diaphragm 45 Outboard Sections, main diaphragm 45 is positioned at longeron 42 inboard portion and connects cross rib plate 43, have screw below main diaphragm 45 to be connected with web member 33 bolt for main diaphragm 45, L-type encorbelment 44 levels an arm on have screw, for installing railing 6; Secondary cantilevered structure comprises L-type and to encorbelment 44 and secondary diaphragm 46, secondary diaphragm 46 structure as shown in figure 14, two L-types, 44 vertical arms of encorbelmenting weld with the two sides of secondary diaphragm 46 outside secondary diaphragm 46, L-type encorbelment 44 levels an arm on have screw, for installing railing 6.
With in upper-part, column 7 is that two channel-section steel bellies weld formation column structure relatively, and lower longeron 32 is longitudinal angle steel, and upper longeron 42 is longitudinal i iron, and it is T-shaped structure that cross rib plate 43 forms cross section by the corresponding right-angle side welding of two angle steel.Access path base plate 31 and fire escape base plate 41 are composite steel grating.
Web member 33 is provided with guardrail 34, many longitudinal web members 33 are in the perforate of same level height, guardrail 34 is round steel, to weld with web member 33 through the perforate on many web members 33, guardrail 34 can be arranged by vertical direction Spaced according to the actual requirements, many web members 33 longitudinally connect by guardrail 34, add the longitudinal rigidity of access path 3 both sides.Web member 33 is provided with cable bearer 5, cable bearer 5 comprises the longitudinal carrier 51 be vertically fixed on web member 33 and the multilayer horizontal support 52 be connected on longitudinal carrier, horizontal support 52 equally according to the actual requirements vertical direction Spaced is arranged, and line cord longitudinally lays and is positioned on horizontal support 52.As shown in figure 12, web member 33 lower end is connected with lower longeron 32 by junction plate 35, and access path base plate 31 to be laid under both sides between longeron 32.
Fire escape base plate 41 both lateral sides is provided with railing 6, and railing 6 longitudinally interval is arranged, and the interval of fire escape base plate 41 both lateral sides railing 6 is interlaced, available protecting pedestrian, crowded generation falling accident when preventing from evacuating.Railing 6 comprises the secondary railing 62 that interval arranges longitudinally both sides below main railing 61 and main railing, and main railing 61, secondary railing 62 are the quadra that many cross bars and Duo Gen montant are connected to form.Main railing 61 lower end is fixedly connected with 44 bolts of encorbelmenting.Secondary railing 62 spacing of adjacent handrails 6 is only held a people and is passed through, and is provided with the handrail 63 that can manually open above railing 6, and handrail 63, for hanging chain, hangs that chain one end is fixed on railing 6, one end is dismountable is connected in longitudinal adjacent handrails 6.
Maintenance is after evacuation platform comes into operation, and when emergency evacuation, vehicle parking, opens one end of handrail 63, and personnel enter from space between fire escape railing 6, evacuate, close handrail 63 before vehicle drives away, prevent personnel from falling along fire escape.Fire escape base plate 41 is provided with openable portable plate; when needing daily line upkeep, constructor enters in access path from portable plate; there is guardrail 34 access path both sides; constructor is protected; line cord longitudinally lays and is positioned on horizontal support 52, has enough spaces for the maintenance of line cord between guardrail 34.
The above; be only detailed description of the invention of the present utility model, it should be pointed out that any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.

Claims (10)

1. embrace rail rail traffic bridge evacuation inspection platform for one kind, to comprise between two juxtaposed single line case beams (1) longitudinally spaced crossbeam (2), it is characterized in that, also comprise the fire escape (4) of longitudinal access path (3) and access path (3) top being arranged on crossbeam (2) top, the upper two ends of described crossbeam (2) are provided with the column (7) for supporting fire escape (4).
2. embrace rail rail traffic bridge as claimed in claim 1 and evacuate inspection platform, it is characterized in that, described access path (3) comprises access path base plate (31) and is longitudinally arranged on below same heel post, is connected the lower longeron (32) of adjacent upright posts, and described access path base plate (31) longitudinal direction to be laid under both sides on longeron (32).
3. embrace rail rail traffic bridge as claimed in claim 2 and evacuate inspection platform, it is characterized in that, described fire escape (4) comprises fire escape base plate (41) and is longitudinally arranged on above same heel post, is connected the upper longeron (42) of adjacent upright posts, and described fire escape base plate (41) is longitudinally laid on longeron on both sides (42).
4. embrace rail rail traffic bridge as claimed in claim 3 and evacuate inspection platform, it is characterized in that, between described fire escape (4) upper longeron (42), lateral separation is provided with cross rib plate (43), and described access path (3) also comprises the web member (33) arranging, be connected lower longeron (32) from upper longeron (42) outside with cross rib plate (43) corresponding position straight down.
5. embrace rail rail traffic bridge as claimed in claim 4 and evacuate inspection platform, it is characterized in that, described access path (3) web member (33) is provided with the guardrail (34) longitudinally connecting many web members, and multilayer guardrail (34) vertical direction interval is arranged.
6. embrace rail rail traffic bridge as claimed in claim 4 and evacuate inspection platform, it is characterized in that, described access path (3) web member (33) is provided with cable bearer (5), and described cable bearer (5) comprises the longitudinal carrier (51) be vertically fixed on web member (33) and the multilayer horizontal support (52) be connected on longitudinal carrier (51).
7. embrace rail rail traffic bridge as claimed in claim 3 and evacuate inspection platform, it is characterized in that, described fire escape (4) fire escape base plate (41) upper level flushes in or goes up vehicle height of floor from rail top lower than two single line case beams (1).
8. embrace rail rail traffic bridge as claimed in claim 1 and evacuate inspection platform, it is characterized in that, described fire escape (4) both lateral sides is provided with railing (6), and described railing (6) longitudinally interval is arranged, and the interval of described fire escape (4) both lateral sides railing (6) is interlaced.
9. rail rail traffic bridge of embracing as claimed in claim 8 evacuates inspection platform, it is characterized in that, the upper railing (6) of described fire escape (4) comprises the secondary railing (62) that interval arranges longitudinally both sides below main railing (61) and main railing, and described main railing (61), secondary railing (62) are the quadra that many cross bars and Duo Gen montant are connected to form.
10. rail rail traffic bridge of embracing as claimed in claim 8 evacuates inspection platform, it is characterized in that, described fire escape (4) railing (6) top be provided with the handrail (63) that can manually open, described handrail (63) for one end be fixed on railing, the dismountable suspension chain be connected in longitudinal adjacent handrails (6) in one end.
CN201520442474.1U 2015-06-25 2015-06-25 A kind of rail rail traffic bridge of embracing evacuates inspection platform Withdrawn - After Issue CN204728225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912004A (en) * 2015-06-25 2015-09-16 中铁第四勘察设计院集团有限公司 Hold rail-type track transportation bridge evacuation maintenance platform
CN109972539A (en) * 2017-12-28 2019-07-05 比亚迪股份有限公司 The maintenance platform of rail traffic

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912004A (en) * 2015-06-25 2015-09-16 中铁第四勘察设计院集团有限公司 Hold rail-type track transportation bridge evacuation maintenance platform
CN104912004B (en) * 2015-06-25 2017-03-22 中铁第四勘察设计院集团有限公司 Hold rail-type track transportation bridge evacuation maintenance platform
CN109972539A (en) * 2017-12-28 2019-07-05 比亚迪股份有限公司 The maintenance platform of rail traffic
CN109972539B (en) * 2017-12-28 2021-05-14 比亚迪股份有限公司 Maintenance platform for rail transit

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20151028

Effective date of abandoning: 20170322

C25 Abandonment of patent right or utility model to avoid double patenting