CN109024101A - A kind of cross-saddle single-track traffic two-wire continuous truss track beam structure - Google Patents
A kind of cross-saddle single-track traffic two-wire continuous truss track beam structure Download PDFInfo
- Publication number
- CN109024101A CN109024101A CN201810887223.2A CN201810887223A CN109024101A CN 109024101 A CN109024101 A CN 109024101A CN 201810887223 A CN201810887223 A CN 201810887223A CN 109024101 A CN109024101 A CN 109024101A
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- China
- Prior art keywords
- boom
- main truss
- truss
- cross
- flat
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
- E01B25/10—Mono-rails; Auxiliary balancing rails; Supports or connections for rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D6/00—Truss-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
The present invention relates to a kind of cross-saddle single-track traffic two-wire continuous truss track beam structures, including the two panels main truss being parallel to each other, the main truss is spliced by multiple long partitioned organizations, the long partitioned organization includes top boom, lower boom and brace, the top boom is located on lower boom, and it is parallel to each other with lower boom, at least provided with a brace between the top boom and lower boom, the both ends of every brace are fixedly connected with the top boom and lower boom respectively, it is connected by upper flat vertical connection with lower flat vertical connection between two panels main truss, the top boom of the upper flat vertical connection connection two panels main truss, the lower boom of the lower flat vertical connection connection two panels main truss, the main truss, upper flat vertical connection and lower flat vertical connection are steel construction.The present invention uses steel construction main truss, and span ability is strong, and the vertical lateral stiffness of beam body is big, and indices are superior；Main truss is subjected to long piecemeal, long partitioned organization welds in factory, can reduce live splicing operation amount, shortens assembling duration.
Description
Technical field
The present invention relates to science of bridge building fields, and in particular to a kind of cross-saddle single-track traffic two-wire continuous truss track girder knot
Structure.
Background technique
Cross-saddle single-track traffic be by electric traction, have it is special guiding and switching device, train marshalling list operate in it is dedicated
Middle freight volume Rail Transit System on track girder.It is mainly characterized in that: (1) based on elevated structure, and occupied area is few, track girder
Width is narrow, occupies little space.(2) adhesive performance of rubber tyre is good, is conducive to acceleration and deceleration, is conducive on steep gradient, smaller part
It is run on diametal curve, is adapted to zig zag and heavy grade, has preferable applicability to complicated landform.(3) route selection is easy, and is removed
Amount is few.(4) vehicle sets up travelling wheel, directive wheel separately, and uses rubber tyre and air spring bogie, and force dispersion, traveling is made an uproar
Sound is low.(5) civil engineering is simple, and the construction period is short, invests less.Cross-saddle single-track traffic is as metropolitan integrative traffic system
One organic component, obtains people and more and more pays close attention to, development prospect is good.
From economically and reasonably angle, track girder generally uses the Simply supported PC beam conduct of 20m~30m
Standard spanning, but due to the line condition of Traffic Systems complexity, it is often necessary to the bridge of arrangement more large span carrys out overpass bridge
Lower barrier.When span is in 30m~50m, freely-supported steel-mixed rail beam is preferably used, can be adopted when span is in 50m~65m
With continuous steel-mixed rail beam.
Currently, the freely-supported of span 30m~65m or continuous steel-mixed rail beam are in China Bangbu, Guilin, Anyang, grassland
It is widely used in the urban monorail transits such as lake.But span be greater than 65m when, due to single track steel box-girder processing and central bearing point concrete by
The problems such as splitting is pulled open, continuous steel-mixes bondbeam and be not applicable in, needs to find a kind of track girder knot for adapting to large span at this time
Structure.
Summary of the invention
For the above-mentioned technical problems in the prior art, the purpose of the present invention is to provide one kind suitable for main span is
The cross-saddle single-track traffic two-wire continuous truss track beam structure of 65m~100m.
In order to achieve the above objectives, the present invention adopts the following technical scheme: a kind of cross-saddle single-track traffic two-wire continuous truss
Track beam structure, including the two panels main truss being parallel to each other, the main truss is spliced by multiple long partitioned organizations, the long piecemeal
Structure includes top boom, lower boom and brace, and the top boom is located on lower boom, and is parallel to each other with lower boom, described
At least provided with a brace between top boom and lower boom, the both ends of every brace are fixed with the top boom and lower boom respectively
It connects, is connected by upper flat vertical connection with lower flat vertical connection between two panels main truss, the upper flat top boom for indulging connection connection two panels main truss,
The lower boom of the lower flat vertical connection connection two panels main truss, the main truss, upper flat vertical connection and lower flat vertical connection are steel construction.
Further, the two sides of the top boom are respectively equipped with guide surface and stabilising surface, and the guide surface is located at stabilising surface
On, the top of the top boom is equipped with walking surface.
Further, non-skid coating is coated on the walking surface.
Further, the more braces constitute uniform sawtooth between the top boom being attached thereto and lower boom
Shape structure.
Further, the upper flat vertical connection includes flat brace on more upper flat stulls and Duo Gen, and the lower flat vertical connection includes
Flat brace under flat stull and Duo Gen under more；
The more upper flat stulls are evenly arranged between the top boom of two panels main truss, and perpendicular to the top boom,
The more lower flat stulls are evenly arranged between the lower boom of two panels main truss, and perpendicular to the lower boom；
Multiple squares that the more upper flat braces are formed in the top boom of left and right two panels main truss with the more upper flat stulls
The continuous diamond structure of composition in shape frame, the more lower flat braces are in the case where the lower boom of left and right two panels main truss and more are described
The continuous diamond structure of composition in multiple rectangular frames that flat stull is formed.
Further, the both ends of the upper flat stull lead to the stull connecting plate welded on the top boom of two panels main truss respectively
Bolt splicing is crossed, the both ends of the lower flat stull pass through bolt with the stull connecting plate welded on the lower boom of two panels main truss respectively
Splicing.
Further, top bracing gusset plate, institute are equidistantly welded in the middle part of the rod piece of the upper flat stull and on top boom
Flat brace is stated to splice by the top bracing gusset plate and the top boom and upper flat stull bolt；The bar of the lower flat stull
Equidistantly be welded with bottom lateral bracing gusset plate in the middle part of part and on lower boom, the lower flat brace by bottom lateral bracing gusset plate and it is described under
Chord member and lower flat stull bolt splicing.
Further, be additionally provided with multiple intermediate cross frames between two panels main truss, the intermediate cross frame welded by four rod pieces and
At in X-type structure, the other end of four rod pieces passes through the horizontal-associate connecting plate top boom and lower boom with left and right two panels main truss respectively
Splicing, the horizontal-associate connecting plate are respectively welded at the brace of two panels main truss and the point of intersection of top boom and lower boom, the centre
Horizontal-associate is generally aligned in the same plane with the brace at left and right sides of it, and the plane is vertical with main truss.
Further, one intermediate cross frame is set every three braces on the extending direction of the main truss.
Further, the vertical bar for connecting the top boom and lower boom is respectively arranged at the fulcrum of two panels main truss, and
Two vertical bars are planar equipped with the intermediate cross frame.
Further, the temporary consolidation for pier bottom rotator construction is equipped at central bearing point.
Further, the main span scope of application is 65m~100m.
Further, it is being related to the place of bolt splicing, multiple bolts is set.
Compared with prior art, the invention has the benefit that
The present invention is using steel construction main truss as track beam structure, and span ability is strong, and the vertical lateral stiffness of beam body is big, every
Index is superior, and avoids large-span continuous steel-and mix bondbeam as the manufacturing issue and central bearing point problem of Cracking of narrow case girder steel.
Detailed description of the invention
Fig. 1 is a kind of side of cross-saddle single-track traffic two-wire continuous truss track beam structure involved in the embodiment of the present invention
Face schematic diagram；
Fig. 2 is the splicing construction schematic diagram between adjacent long partitioned organization involved in the embodiment of the present invention；
Fig. 3 is propping up for a kind of cross-saddle single-track traffic two-wire continuous truss track beam structure involved in the embodiment of the present invention
Sectional schematic diagram at point；
Fig. 4 be a kind of cross-saddle single-track traffic two-wire continuous truss track beam structure involved in the embodiment of the present invention across
The sectional schematic diagram of middle part；
Fig. 5 is upper flat vertical connection top view involved in the embodiment of the present invention；
Fig. 6 is lower flat vertical connection top view involved in the embodiment of the present invention；
In figure:
1- top boom；2- lower boom；3- brace；4- vertical bar；Vertical connection is put down on 5-；The upper flat stull of 51-；The upper flat brace of 52-；
53- top bracing gusset plate；6- lower flat vertical connection；Flat stull under 61-；Flat brace under 62-；63- bottom lateral bracing gusset plate；It is horizontal among 7-
Connection；8- guide surface；9- stabilising surface；10- walking surface；11- fulcrum crossbeam；12- stull connecting plate；13- horizontal-associate connecting plate；14- spiral shell
Bolt.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig.1-6, the present embodiment is related to a kind of cross-saddle single-track traffic two-wire continuous truss track beam structure, including phase
Mutually parallel two panels main truss, the main truss are spliced by multiple long partitioned organizations, the long partitioned organization include top boom 1,
Lower boom 2 and brace 3, the top boom 1 are located on lower boom 2, and are parallel to each other with lower boom 2, and the top boom 1 is under
At least provided with a brace 3 between chord member 2, the both ends of every brace 3 are fixedly connected with the top boom 1 and lower boom 2 respectively,
It is connected between two panels main truss by upper flat vertical connection 5 and lower flat vertical connection 6, the top boom 1 of the upper flat vertical 5 connection two panels main truss of connection,
The lower flat vertical connection 6 connects the lower boom 2 of two panels main truss, and the main truss, upper flat vertical connection 5 and lower flat vertical connection 6 are steel construction.
Above-mentioned cross-saddle single-track traffic two-wire continuous truss track beam structure, as track girder, is crossed over using steel construction main truss
Ability is strong, and the vertical lateral stiffness of beam body is big, and indices are superior, and avoids large-span continuous steel-and mix bondbeam as narrow case
The manufacturing issue and central bearing point problem of Cracking of girder steel.
In addition, preferably, in one particular embodiment of the present invention, top boom 1, the lower boom of the long partitioned organization
2 and brace 3 be welded as a whole structure, spliced by transporting long partitioned organization after factory is welded to scene, can be reduced existing
Field splicing operation amount, shortens assembling duration.
In addition, preferably, in one particular embodiment of the present invention, between the top boom 1 of adjacent long partitioned organization, under
Spliced between chord member 2 by multiple bolts, connect two adjacent long partitioned organizations brace 3 both ends respectively with two long partitioned organizations
Between spliced by multiple bolts, multiple bolts, which are arranged, in stitching portion can reduce the pretension of bolt, prevent the wind of bolt fracture
Danger.
In addition, preferably, in one particular embodiment of the present invention, the two sides of the top boom 1 are respectively equipped with guiding
Face 8 and stabilising surface 9, the guide surface 8 are located on stabilising surface 9, and the top of the top boom 1 is equipped with walking surface 10 therefore can
The top boom 1 is directly used as track, with Saving steel amount.
In addition, preferably, in one particular embodiment of the present invention, it is described for the coefficient of friction for improving running face 10
Non-skid coating is coated on walking surface 10.
In addition, preferably, in one particular embodiment of the present invention, the more braces 3 are described in be attached thereto
Uniform zigzag structure is constituted between top boom 1 and lower boom 2.
In addition, preferably, in one particular embodiment of the present invention, the upper flat vertical connection 5 includes more upper flat stulls
Flat brace 52 on 51 and Duo Gen, the lower flat vertical connection 6 include flat brace 62 under flat stull 61 under more and Duo Gen；
The more upper flat stulls 51 are evenly arranged between the top boom 1 of two panels main truss, and are winded up perpendicular to described
Bar 1, the more lower flat stulls 61 are evenly arranged between the lower boom 2 of two panels main truss, and perpendicular to the lower boom 2；
The more upper flat braces 52 form more in the upper flat stulls 51 of the top boom 1 of left and right two panels main truss and more
The continuous diamond structure of composition in a rectangular frame, the more lower flat braces 62 are in the lower boom 2 of left and right two panels main truss and more
The continuous diamond structure of composition in multiple rectangular frames that flat stull 61 is formed under described in root.
In addition, preferably, in one particular embodiment of the present invention, the both ends of the upper flat stull 51 respectively with two panels
The stull connecting plate 12 welded on the top boom 1 of main truss by bolt splice, the both ends of the lower flat stull 61 respectively with two panels
The stull connecting plate 12 welded on the lower boom 2 of main truss is spliced by bolt.
In addition, preferably, in one particular embodiment of the present invention, in the middle part of the rod piece of the upper flat stull 51 and winding up
Equidistantly be welded with top bracing gusset plate 53 on bar 1, the upper flat brace 52 by the top bracing gusset plate 53 with it is described on
Chord member 1 and the splicing of upper 51 bolt of flat stull；It is equidistantly welded in the middle part of the rod piece of the lower flat stull 61 and on lower boom 2 lower flat
Interlink contact plate 63, the lower flat brace 62 are spliced by bottom lateral bracing gusset plate 63 and the lower boom 2 and lower 61 bolt of flat stull.
In addition, preferably, in one particular embodiment of the present invention, multiple intermediate cross frames are additionally provided between two panels main truss
7, the intermediate cross frame is welded by four steel rod pieces, is in X-type structure, and the other end of four rod pieces passes through horizontal-associate connecting plate
13 splice with the top boom 1 of left and right two panels main truss and 2 bolt of lower boom respectively, and the horizontal-associate connecting plate 13 is respectively welded at two panels
The brace 3 of main truss and the point of intersection of top boom 1 and lower boom 2, the intermediate cross frame 7 are located at same with the brace 3 at left and right sides of it
One plane, and the plane is vertical with main truss.
In addition, preferably, in one particular embodiment of the present invention, can on the extending direction of the main truss every
An intermediate cross frame 7 is arranged in three braces 3.
In addition, preferably, in one particular embodiment of the present invention, (the support pair at one at the fulcrum of two panels main truss
Fulcrum at one is answered, is the position that support center line intersects with main truss in figure at fulcrum described in the present embodiment) company of being respectively arranged with
The vertical bar 4 of the top boom 1 and lower boom 2 is connect, the vertical bar 4 is welded with the top boom 1 and the lower boom 2 respectively, and
Two vertical bars 4 are planar equipped with the intermediate cross frame 7；Vertical bar 4 described in the present embodiment and the top boom 1 and lower boom
2 point of intersection is respectively welded horizontal-associate connecting plate 13, the intermediate cross frame 7 between two vertical bars 4 by horizontal-associate connecting plate 13 respectively with
The top boom 1 and 2 bolt of lower boom of left and right two panels main truss splice.
In addition, preferably, in one particular embodiment of the present invention, central bearing point (continuous track beam include central bearing point and
Hold fulcrum, wherein positioned at end fulcrum be end fulcrum, be located in the middle fulcrum be central bearing point) at be equipped with for pier bottom turn
Applying for Temporary Piers can not be arranged in the temporary consolidation of construction under bridge when solving large span single track bridge acrossing highway or river
Work problem.
In addition, preferably, in one particular embodiment of the present invention, being related to the place of bolt splicing, being respectively provided with more
A bolt 14 can reduce the pretension of bolt by increasing by 14 numbers of bolt, prevent the risk of bolt fracture.
In addition, preferably, in one particular embodiment of the present invention, to avoid vertically and horizontally falling the generation of beam accident,
Nested type falling-off prevention measures (not shown) is provided with below the middle part of its fulcrum crossbeam.
The present embodiment is using steel construction main truss as track girder, and span ability is strong, and the vertical lateral stiffness of beam body is big, and items refer to
Mark continuous structure that is superior, being 65m~100m suitable for main span；And since it is clean steel beam, it is mixed to avoid large-span continuous steel-
Manufacturing issue and central bearing point problem of Cracking of the bondbeam as narrow case girder steel；By put down in setting vertical connection 5, lower flat vertical connection 6 and in
Between horizontal-associate 7 increase beam body lateral stiffness, can solve the problems, such as the road-ability of large span single track bridge；It is arranged at central bearing point and faces
When consolidation, it can be achieved that rotator construction, reduce bridge Temporary Piers number；By on running face 10 coating non-skid coating can increase
The coefficient of friction in row face 10；The top boom 1 is used as track, it can be with Saving steel amount.
Track beam structure described in the present embodiment is suitable for straight line, curve circuit；Suitable for all types of single-track vehicles；It should
Two-wire continuous truss track girder, which is suitble to promote in straddle-type monorail engineering construction, to be used.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (13)
1. a kind of cross-saddle single-track traffic two-wire continuous truss track beam structure, which is characterized in that including the two panels being parallel to each other
Main truss, the main truss are spliced by multiple long partitioned organizations, and the long partitioned organization includes top boom, lower boom and brace,
The top boom is located on lower boom, and is parallel to each other with lower boom, at least provided with one between the top boom and lower boom
Root brace, the both ends of every brace are fixedly connected with the top boom and lower boom respectively, by upper flat vertical between two panels main truss
Connection is connected with lower flat vertical connection, the top boom of the upper flat vertical connection connection two panels main truss, the lower flat vertical connection connection two panels main truss
Lower boom, the main truss, upper flat vertical connection and lower flat vertical connection are steel construction.
2. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that described
The two sides of top boom are respectively equipped with guide surface and stabilising surface, and the guide surface is located on stabilising surface, the top of the top boom
Equipped with walking surface.
3. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 2, which is characterized in that described
Non-skid coating is coated on walking surface.
4. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that more
The brace constitutes uniform zigzag structure between the top boom being attached thereto and lower boom.
5. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that described
Upper flat vertical connection includes flat brace on more upper flat stulls and Duo Gen, and the lower flat vertical connection includes putting down under flat stull and Duo Gen under more
Brace；
The more upper flat stulls are evenly arranged between the top boom of two panels main truss, and perpendicular to the top boom, and more
The lower flat stull is evenly arranged between the lower boom of two panels main truss, and perpendicular to the lower boom；
Multiple rectangle frames that the more upper flat braces are formed in the top boom of left and right two panels main truss with the more upper flat stulls
The continuous diamond structure of composition in frame, lower boom and the more piece lower flat cross of the more lower flat braces in left and right two panels main truss
Support the continuous diamond structure of composition in the multiple rectangular frames formed.
6. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 5, which is characterized in that described
The both ends of upper flat stull are spliced with the stull connecting plate welded on the top boom of two panels main truss by bolt respectively, the lower flat cross
Spliced respectively with the stull connecting plate welded on the lower boom of two panels main truss by bolt at the both ends of support.
7. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 6, which is characterized in that described
Top bracing gusset plate is equidistantly welded in the middle part of the rod piece of upper flat stull and on top boom, the upper flat brace passes through described flat
Interlink contact plate and the top boom and upper flat stull bolt splice；It is equidistant on the rod piece middle part of the lower flat stull and lower boom
It is welded with bottom lateral bracing gusset plate, the lower flat brace is spelled by bottom lateral bracing gusset plate and the lower boom and lower flat stull bolt
It connects.
8. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that two panels
Multiple intermediate cross frames are additionally provided between main truss, the intermediate cross frame is welded by four rod pieces, is in X-type structure, four rod pieces
The other end spliced respectively with the top boom of left and right two panels main truss and lower boom by horizontal-associate connecting plate, the horizontal-associate connecting plate point
It is not welded on the brace of two panels main truss and the point of intersection of top boom and lower boom, the intermediate cross frame and the brace at left and right sides of it
It is generally aligned in the same plane, and the plane is vertical with main truss.
9. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 8, which is characterized in that in institute
It states and one intermediate cross frame is set every three braces on the extending direction of main truss.
10. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 8, which is characterized in that
The vertical bar for connecting the top boom and lower boom is respectively arranged at the fulcrum of two panels main truss, and two vertical bars are planar set
There is the intermediate cross frame.
11. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that in
The temporary consolidation for pier bottom rotator construction is equipped at fulcrum.
12. cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, which is characterized in that its
The main span scope of application is 65m~100m.
13. -12 any cross-saddle single-track traffic two-wire continuous truss track beam structure according to claim 1, feature
It is, is being related to the place of bolt splicing, multiple bolts are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887223.2A CN109024101B (en) | 2018-08-06 | 2018-08-06 | Straddle type monorail transit double-line continuous steel truss track beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887223.2A CN109024101B (en) | 2018-08-06 | 2018-08-06 | Straddle type monorail transit double-line continuous steel truss track beam structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109024101A true CN109024101A (en) | 2018-12-18 |
| CN109024101B CN109024101B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887223.2A Active CN109024101B (en) | 2018-08-06 | 2018-08-06 | Straddle type monorail transit double-line continuous steel truss track beam structure |
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| CN (1) | CN109024101B (en) |
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| KR102125710B1 (en) * | 2019-07-15 | 2020-06-23 | 성부섭 | Monorail system using prefabricated rail girder |
| CN112570237A (en) * | 2019-09-29 | 2021-03-30 | 比亚迪股份有限公司 | Coating structure for track beam, construction method of coating structure and track beam |
| CN113584962A (en) * | 2021-07-26 | 2021-11-02 | 中铁工程设计咨询集团有限公司 | Rubber-tyred tramcar double-box steel-concrete combined track beam structure and construction method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109024101B (en) | 2021-11-12 |
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