CN107059504A - Inverted U-shaped overhead monorail traffic track beam and its processing technology - Google Patents
Inverted U-shaped overhead monorail traffic track beam and its processing technology Download PDFInfo
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- CN107059504A CN107059504A CN201710182719.5A CN201710182719A CN107059504A CN 107059504 A CN107059504 A CN 107059504A CN 201710182719 A CN201710182719 A CN 201710182719A CN 107059504 A CN107059504 A CN 107059504A
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- track girder
- wing
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- 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
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
- E01B25/24—Supporting rails; Auxiliary balancing rails; Supports or connections for rails
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Abstract
The invention discloses inverted U-shaped overhead monorail traffic track beam, including track girder U-shaped body and bottom plate, bottom plate includes the first bottom plate and the second bottom plate, and the first bottom plate and the second bottom plate are welded on track girder U-shaped body bottom portion；First bottom plate includes the edge of a wing in the edge of a wing outside the first track girder bottom and the first track girder bottom；Second bottom plate includes outside the second track girder bottom in the edge of a wing and the second track girder bottom outside the edge of a wing, the second track girder bottom that the edge of a wing is fixed in the edge of a wing and the second track girder bottom；Track girder U-shaped body uses roll forming or bending forming.The present invention is easy to construction to transport and in-site installation, and track girder inner section flatness is protected, and comfort level is high.The present invention is divided to primary and secondary stress area, and track girder bottom flange stress is larger, can be used compared with steel plate, remaining region stress is smaller, can advantageously reduce steel using amount using relatively small thickness steel plate by integral roll forming or bending forming, welding job amount is reduced, processing and manufacturing efficiency is improved.
Description
Technical field
The present invention relates to field of track traffic, more particularly to inverted U-shaped overhead monorail traffic track beam and its processing technology.
Background technology
Suspension type monorail traffic system is overhead rail train, and track is square ON TRAINS, is supported by steel or cement post
In the air.Due to traffic above-ground being moved in the air, city friendship can be alleviated on the basis of it need not extend city existing highway facility
Logical problem.Again because it only moves to track in the air, rather than whole road surface is lifted as elevated railway or riding single track
Enter aerial, therefore overcome the disadvantage of other Rail Transit Systems, the characteristics of construction and operator face have many prominent and
Advantage.Although suspension type monorail traffic has lot of advantages, existing suspension type monorail traffic track beam manufacture is primarily present
Following difficult point：
(1) existing track girder is using armored concrete precast construction, then its quality is larger, construction transport and in-site installation
Difficulty is larger, and used lifting machine requires higher, and construction cost is higher, and construction safety risk is larger；It is prefabricated by template
Reinforced concrete structure, its apparent size precision is poor, and track girder inner section flatness is difficult to ensure, causes train in traveling
During relatively jolt, comfort level is poor.
(2) existing track girder main body is the section form of remaining silent that bottom disconnects, using steel plate welding fabrication, then is by inciting somebody to action
Steel plate is cut into strips, by the vertical assembled welding fabrication of batten group, and its welding engineering amount is larger, and manufacture efficiency is low, welding deformation amount
Greatly, track girder formed precision is poor, and quality is difficult to ensure that；The shape of transverse stiffener is irregular simultaneously, causes cutting for stiffener
Cut off material loss greatly, cost wastes serious transverse stiffener and the attachment weld and track girder main body attachment weld of main body casing,
Intersecting and overlay region is more, easily causes weld seam to be accumulated, and node quality is influenceed, if according to welding for steel structure code requirement, to keep away
Track girder main body attachment weld is opened, welding hole was set on ribbed stiffener, then can increase the blanking loss of ribbed stiffener, and weld seam does not connect
Continuous, welding efficiency is extremely low.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind be easy to construction transport and it is field erected fall
U-shaped overhead monorail traffic track beam and processing technology, apparent size precision are high, and track girder inner section flatness is protected, and arrange
Car is difficult to jolt during traveling, and comfort level is high；By changing the structure type of track girder main body, and then processing can be changed
Preparation method, track girder formed precision is high, and quality can obtain effective guarantee.
The purpose of the present invention is achieved through the following technical solutions：Inverted U-shaped overhead monorail traffic track beam, it includes
Track girder U-shaped body and bottom plate, the bottom plate include the first bottom plate and the second bottom plate, and the first bottom plate and the welding of the second bottom plate are in-orbit
Road beam U-shaped body bottom portion；
The first described bottom plate includes the edge of a wing, the first track in the edge of a wing outside the first track girder bottom and the first track girder bottom
The edge of a wing is fixed in the edge of a wing and the first track girder bottom outside beam bottom；
The second described bottom plate includes the edge of a wing, the second track in the edge of a wing outside the second track girder bottom and the second track girder bottom
The edge of a wing is fixed in the edge of a wing and the second track girder bottom outside beam bottom；
Described track girder U-shaped body uses roll forming or bending forming.
It is preferred that, outside the first described track girder bottom in the edge of a wing and the first track girder bottom edge of a wing one into
Type.
It is preferred that, outside the second described track girder bottom in the edge of a wing and the second track girder bottom edge of a wing one into
Type.
It is preferred that, the first described bottom base plate is provided with the elongated ribbed stiffener in the first bottom；Second bottom base plate
It is provided with the elongated ribbed stiffener in the second bottom.
It is preferred that, described track girder U-shaped bodies top is provided with Top stiffener.
It is preferred that, the first described bottom base plate is provided with the first bottom outside ribbed stiffener；Second bottom base plate
It is provided with the second bottom outside ribbed stiffener.
It is preferred that, the first described bottom base plate is provided with the first bottom inside ribbed stiffener；Second bottom base plate
It is provided with the second bottom inside ribbed stiffener；Track girder U-shaped body both sides are provided with the first belly ribbed stiffener and second laterally outside
Belly ribbed stiffener laterally outside.
It is preferred that, described Top stiffener is one kind in triangular plate, rectangular slab or trapezoidal plate.
Inverted U-shaped overhead monorail traffic track beam processing technology, comprises the following steps：
S1：Roll out track girder U-shaped body；
S2：Track girder U-shaped body is welded with the first bottom plate and the second bottom plate respectively, wherein welding position is by the first bottom at one
Plate is divided into outside the first track girder bottom the edge of a wing in the edge of a wing and the first track girder bottom, and the second bottom plate is divided into by another place welding position
The edge of a wing in second edge of a wing outside track girder bottom and the second track girder bottom.
It is preferred that, if, it is necessary to set reinforcement when the yield strength of track girder U-shaped body or bottom plate is inadequate
Part, described reinforcer includes Top stiffener, the elongated ribbed stiffener in the first bottom, the elongated ribbed stiffener in the second bottom, the first bottom
Outside ribbed stiffener, the first bottom inside ribbed stiffener, the second bottom outside ribbed stiffener and the second bottom inside ribbed stiffener；
Top stiffener is welded with track girder U-shaped bodies top；
The elongated ribbed stiffener in first bottom is welded on the first bottom base plate；The elongated ribbed stiffener in second bottom is welded on the second bottom plate
Bottom；
First bottom outside ribbed stiffener is welded with the elongated ribbed stiffener of the first bottom plate and the first bottom respectively；
First bottom inside ribbed stiffener is welded with the elongated ribbed stiffener of the first bottom plate and the first bottom respectively；
Second bottom outside ribbed stiffener is welded with the elongated ribbed stiffener of the second bottom plate and the second bottom respectively；
Second bottom inside ribbed stiffener is welded with the elongated ribbed stiffener of the second bottom plate and the second bottom respectively.
The beneficial effects of the invention are as follows：The present invention is easy to construction transport and field erected inverted U-shaped overhead monorail traffic rail
Road beam and processing technology, apparent size precision are high, and track girder inner section flatness is protected, and train is difficult during traveling
Jolt, comfort level is high；By changing the structure type of track girder main body, and then processing preparation method can be changed, track girder into
Type precision is high, and quality can obtain effective guarantee.The present invention is carried out according to track beam section force request to primary and secondary stress area
Divide, track girder bottom flange stress is larger, can use compared with steel plate, remaining region stress is smaller, can be by being integrally formed
Using relatively small thickness steel plate, steel using amount is advantageously reduced, it is cost-effective.More specifically, the invention has the advantages that：
(1) by changing the structure type of track girder main body, change remains silent tee section into opening tee section, section is passed through
Machine-shaping is rolled, component production efficiency is improved, secondary operation weld job amount is reduced, is conducive to control to deform, processing is ensured
Quality；And secondary welding workload is reduced using disposable roll forming (track girder U-shaped body), be conducive to section precision and matter
Amount control.Use roll forming technique simultaneously, the upper and lower edge of a wing of track girder main body and web can different-thickness, can be according to stress
Need to customize each several part thickness of slab, can significantly save rolled steel dosage, reduce cost；
(2) using behind this section (U-shaped section), each stiffener can be not provided with, may also set up according to stress needs, and
Stiffener not concentrated setting, intersects or accumulates in the absence of attachment weld, be conducive to lifting section point mass；
(3) track girder stiffener, can be not provided with or set relatively thin steel plate, can reduce secondary operation weld job amount, subtract
Few thermal weld stress, is conducive to control to deform, and ensures the workmanship of track girder；
(4) innovation adjustment has been carried out to the section form of track girder main body, flange plate is extended to web outside, makes L-shaped
Node is changed into T-section point, the especially extension in lower flange, can be effectively improved this section main stress region --- lower flange
Load effect, while split to ribbed stiffener, the plate shape that makes to put more energy into is more regular, the cutting stock loss of reduction stiffener.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the cross section structure schematic diagram of track girder main body of the present invention；
Fig. 3 is configuration schematic diagram of the invention；
Fig. 4 is axle geodesic structure schematic diagram of the invention；
Fig. 5 is whole section of three-dimensional shaft geodesic structure schematic diagram of the invention；
In figure, 1- track girder U-shaped bodies, transverse stiffener at the top of 2-, the bellies of 3- first ribbed stiffener, 4- second laterally outside
The edge of a wing, the track girders of 7- second in the edge of a wing outside belly ribbed stiffener laterally outside, the first track girders of 5- bottom, the first track girders of 6- bottom
The edge of a wing outside the edge of a wing in bottom, the second track girders of 8- bottom, the elongated ribbed stiffener in the bottoms of 9- first, the elongated ribbed stiffener in the bottoms of 10- second,
11- the first bottom outside ribbed stiffeners, 12- the first bottom inside ribbed stiffeners, 13- the second bottom inside ribbed stiffeners, the bottoms of 14- second
Outside ribbed stiffener.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Fig. 1~Fig. 5, inverted U-shaped overhead monorail traffic track beam, it includes track girder U-shaped body 1 and bottom plate, institute
Stating bottom plate includes the first bottom plate and the second bottom plate, and the first bottom plate and the second bottom plate are welded on the bottom of track girder U-shaped body 1；
The first described bottom plate includes the edge of a wing 6, the first rail in the track girder bottom of the edge of a wing 5 and first outside the first track girder bottom
The edge of a wing 6 is fixed in the track girder bottom of the edge of a wing 5 and first outside Dao Liang bottoms；
The second described bottom plate includes the edge of a wing 7, the second rail in the track girder bottom of the edge of a wing 8 and second outside the second track girder bottom
The edge of a wing 7 is fixed in the track girder bottom of the edge of a wing 8 and second outside Dao Liang bottoms；
Described track girder U-shaped body 1 uses roll forming.
Preferably, the edge of a wing 6 is integrally formed in the track girder bottom of the edge of a wing 5 and first outside the first described track girder bottom.
Preferably, the edge of a wing 7 is integrally formed in the track girder bottom of the edge of a wing 8 and second outside the second described track girder bottom.
Preferably, the first described bottom base plate is provided with the elongated ribbed stiffener 9 in the first bottom；Second bottom base plate is provided with
The elongated ribbed stiffener 10 in second bottom.
Preferably, the described top of track girder U-shaped body 1 is provided with top transverse stiffener 2.
Preferably, the first described bottom base plate is provided with the first bottom outside ribbed stiffener 11；Second bottom base plate is set
There is the second bottom outside ribbed stiffener 14.
Preferably, the first described bottom base plate is provided with the first bottom inside ribbed stiffener 12；Second bottom base plate is set
There is the second bottom inside ribbed stiffener 13.The both sides of track girder U-shaped body 1 are provided with the first belly ribbed stiffener 3 and second laterally outside
Belly ribbed stiffener 4 laterally outside.
Preferably, described top transverse stiffener 2 is one kind in triangular plate, rectangular slab or trapezoidal plate.
Inverted U-shaped overhead monorail traffic track beam processing technology, comprises the following steps：
S1：Roll out track girder U-shaped body 1；
S2：Track girder U-shaped body 1 is welded with the first bottom plate and the second bottom plate respectively, wherein welding position is by first at one
Bottom plate is divided into outside the first track girder bottom the edge of a wing 6 in the track girder bottom of the edge of a wing 5 and first, and another place welding position is by the second bottom plate
It is divided into outside the second track girder bottom the edge of a wing 7 in the track girder bottom of the edge of a wing 8 and second.
Preferably, if, it is necessary to set reinforcer when the yield strength of track girder U-shaped body 1 or bottom plate is inadequate, it is described
Reinforcer include top transverse stiffener 2, the elongated ribbed stiffener 9 in the first bottom, the elongated ribbed stiffener 10 in the second bottom, the first bottom
Outside ribbed stiffener 11, the first bottom inside ribbed stiffener 12, the second bottom outside ribbed stiffener 14 and the second bottom inside ribbed stiffener 13；
Top transverse stiffener 2 is welded with the top of track girder U-shaped body 1；
The elongated ribbed stiffener 9 in first bottom is welded on the first bottom base plate；The elongated ribbed stiffener 10 in second bottom is welded on second
Bottom base plate；The first belly is welded in the both sides of track girder U-shaped body 1, and the belly of ribbed stiffener 3 and second is put more energy into laterally outside laterally outside
Rib 4；
First bottom outside ribbed stiffener 11 is welded with the elongated ribbed stiffener 9 of the first bottom plate and the first bottom respectively, first
The weld of the elongated ribbed stiffener 9 in bottom and track girder U-shaped body 1 set welding hole；
First bottom inside ribbed stiffener 12 is welded with the elongated ribbed stiffener 9 of the first bottom plate and the first bottom respectively, first
The weld of the elongated ribbed stiffener 9 in bottom and track girder U-shaped body 1 set welding hole；
Second bottom outside ribbed stiffener 14 is welded with the elongated ribbed stiffener 10 of the second bottom plate and the second bottom respectively, second
The weld of the elongated ribbed stiffener 10 in bottom and track girder U-shaped body 1 set welding hole；
Second bottom inside ribbed stiffener 13 is welded with the elongated ribbed stiffener 10 of the second bottom plate and the second bottom respectively, second
The weld of the elongated ribbed stiffener 10 in bottom and track girder U-shaped body 1 set welding hole.
It is preferred that, the material of all component parts of the invention is low-alloy high-tensile structural steel, yield strength
More than or equal to 345MPa.
Each part is illustrated below：
The present invention is open-type section form, can pass through rolling, welding, local bending and welding using high strength steel
Deng machine-shaping, more traditional closed type section, production efficiency is high.
Top transverse stiffener 22, according to the stress needs of track girder U-shaped body 1, can be not provided with, or use rectangle, etc.
The shape such as side triangle or isosceles trapezoid is set.
Ribbed stiffener on the outside of belly (including the first belly laterally outside the belly of ribbed stiffener 3 and second ribbed stiffener 4 laterally outside),
According to stress needs, can be not provided with, or set using rectangle, triangle or the shape sheet material such as trapezoidal.
Bottom outside stiffener (including the first bottom outside ribbed stiffener 11 and second bottom outside ribbed stiffener 14), can be used
The shapes such as rectangle, right-angled trapezium, triangle.
Bottom inside stiffener (including the first bottom inside ribbed stiffener 12 and second bottom inside ribbed stiffener 13), can be used
The shapes such as rectangle, right-angled trapezium, triangle.
The elongated ribbed stiffener in bottom (including the elongated elongated ribbed stiffener 10 in bottom of ribbed stiffener 9 and second in the first bottom), according to rail
The stress of road beam U-shaped body 1 needs, and can be not provided with.When being not provided with, the elongated ribbed stiffener connection of bottom inside stiffener and bottom
For one piece of whole plate.
It is highly preferred that present invention top transverse stiffener 22, ribbed stiffener, bottom inside stiffener and bottom on the outside of belly
Elongated ribbed stiffener is set in a plane, and on the length direction of track girder U-shaped body 1, uniform cloth spaced apart
Put (such as 0.8m~1.5m).
Alternatively, the rolling in the present invention could alternatively be bending and molding, track girder main cross section (track girder U-shaped
Body 1) it can be conducive to improving manufacture efficiency by high-strength material roll forming, or bending and molding.
The present invention is divided, track girder bottom flange according to track beam section force request to primary and secondary stress area
Stress is larger, can use compared with steel plate, remaining region stress is smaller, can use relatively small thickness steel plate by being integrally formed, favorably
It is cost-effective in reduction steel using amount.Therefore, using roll forming, then each region thickness of slab in section can be advantageously reduced with disunity
Section steel using amount, it is cost-effective.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. inverted U-shaped overhead monorail traffic track beam, it is characterised in that：It includes track girder U-shaped body and bottom plate, the bottom plate bag
The first bottom plate and the second bottom plate are included, the first bottom plate and the second bottom plate are welded on track girder U-shaped body bottom portion；
The first described bottom plate includes the edge of a wing, the first track girder bottom in the edge of a wing outside the first track girder bottom and the first track girder bottom
The edge of a wing is fixed in the edge of a wing and the first track girder bottom outside portion；
The second described bottom plate includes the edge of a wing, the second track girder bottom in the edge of a wing outside the second track girder bottom and the second track girder bottom
The edge of a wing is fixed in the edge of a wing and the second track girder bottom outside portion；
Described track girder U-shaped body uses roll forming or bending forming.
2. inverted U-shaped overhead monorail traffic track beam according to claim 1, it is characterised in that：The first described track girder
The edge of a wing is integrally formed in the edge of a wing and the first track girder bottom outside bottom.
3. inverted U-shaped overhead monorail traffic track beam according to claim 1, it is characterised in that：The second described track girder
The edge of a wing is integrally formed in the edge of a wing and the second track girder bottom outside bottom.
4. the inverted U-shaped overhead monorail traffic track beam according to claim 1 or 2 or 3, it is characterised in that：Described first
Bottom base plate is provided with the elongated ribbed stiffener in the first bottom；Second bottom base plate is provided with the elongated ribbed stiffener in the second bottom.
5. the inverted U-shaped overhead monorail traffic track beam according to claim 1 or 2 or 3, it is characterised in that：Described track
Beam U-shaped bodies top is provided with Top stiffener.
6. the inverted U-shaped overhead monorail traffic track beam according to claim 1 or 2 or 3, it is characterised in that：Described first
Bottom base plate is provided with the first bottom outside ribbed stiffener；Second bottom base plate is provided with the second bottom outside ribbed stiffener.
7. inverted U-shaped overhead monorail traffic track beam according to claim 4, it is characterised in that：The first described bottom plate bottom
Portion is provided with the first bottom inside stiffener；Second bottom base plate is provided with the second bottom inside ribbed stiffener；Track girder U-shaped body
Both sides are provided with the first belly ribbed stiffener and the second belly ribbed stiffener laterally outside laterally outside.
8. inverted U-shaped overhead monorail traffic track beam according to claim 5, it is characterised in that：Described Top stiffener
For one kind in triangular plate, rectangular slab or trapezoidal plate.
9. inverted U-shaped overhead monorail traffic track beam processing technology, it is characterised in that it comprises the following steps：
S1：Roll out track girder U-shaped body；
S2：Track girder U-shaped body is welded with the first bottom plate and the second bottom plate respectively, wherein the first bottom plate is divided in welding position at one
For the edge of a wing in the edge of a wing outside the first track girder bottom and the first track girder bottom, the second bottom plate is divided into second by another place welding position
The edge of a wing in the edge of a wing and the second track girder bottom outside track girder bottom.
10. inverted U-shaped overhead monorail traffic track beam processing technology according to claim 9, it is characterised in that：If track
, it is necessary to set reinforcer when the yield strength of beam U-shaped body or bottom plate is inadequate, described reinforcer include Top stiffener,
The elongated ribbed stiffener in first bottom, the elongated ribbed stiffener in the second bottom, the first bottom outside ribbed stiffener, the first bottom inside ribbed stiffener,
Second bottom outside ribbed stiffener and the second bottom inside ribbed stiffener；
Weld the first belly ribbed stiffener and the second belly ribbed stiffener laterally outside laterally outside in track girder U-shaped body both sides；
Top stiffener is welded with track girder U-shaped bodies top；
The elongated ribbed stiffener in first bottom is welded on the first bottom base plate；The elongated ribbed stiffener in second bottom is welded on the second bottom plate bottom
Portion；
First bottom outside ribbed stiffener is welded with the elongated ribbed stiffener of the first bottom plate and the first bottom respectively；
First bottom inside ribbed stiffener is welded with the elongated ribbed stiffener of the first bottom plate and the first bottom respectively；
Second bottom outside ribbed stiffener is welded with the elongated ribbed stiffener of the second bottom plate and the second bottom respectively；
Second bottom inside ribbed stiffener is welded with the elongated ribbed stiffener of the second bottom plate and the second bottom respectively.
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| CN107839696A (en) * | 2017-10-30 | 2018-03-27 | 莱芜美澳冶金科技有限公司 | A kind of permanent magnetism shaft type directly drives vacant lot and shares three-dimensional metropolitan transportation system |
| CN108004858A (en) * | 2018-01-03 | 2018-05-08 | 西南交通大学 | A kind of suspension type monorail traffic track beam |
| CN108442191A (en) * | 2018-05-28 | 2018-08-24 | 中建空列（北京）工程设计研究院有限公司 | Track girder and traffic system for overhead track for traffic system for overhead track |
| CN108755292A (en) * | 2018-07-27 | 2018-11-06 | 中国五冶集团有限公司 | Engaging type steel-concrete combined structure overhead monorail traffic track beam |
| CN109653039A (en) * | 2018-12-28 | 2019-04-19 | 中车长江车辆有限公司 | A kind of track girder, its box assembly and cabinet reinforcement structure |
| CN110385563A (en) * | 2019-07-16 | 2019-10-29 | 中国五冶集团有限公司 | Empty iron rectangular rail beam and its processing technology |
| CN115709322A (en) * | 2022-10-28 | 2023-02-24 | 中铁宝桥集团有限公司 | Suspension type monorail track beam and manufacturing precision control method thereof |
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Application publication date: 20170818 |