CN109972539A - The maintenance platform of rail traffic - Google Patents
The maintenance platform of rail traffic Download PDFInfo
- Publication number
- CN109972539A CN109972539A CN201711461026.6A CN201711461026A CN109972539A CN 109972539 A CN109972539 A CN 109972539A CN 201711461026 A CN201711461026 A CN 201711461026A CN 109972539 A CN109972539 A CN 109972539A
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- Prior art keywords
- track girder
- embedded
- rail traffic
- maintenance platform
- built
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of maintenance platforms of rail traffic, the rail traffic includes the first track girder and the second track girder, first track girder is embedded with multiple first built-in fittings, second track girder is embedded with multiple second built-in fittings, the maintenance platform of the rail traffic includes: multiple crossbeams, one end of each crossbeam is by corresponding first installation of embedded parts in first track girder, and the other end of each crossbeam is by corresponding second installation of embedded parts in second track girder；At least one stringer, the stringer are connected between first track girder and second track girder and respectively with multiple crossbeams；Supporting network, the supporting network are layed on multiple crossbeams.The maintenance platform of rail traffic according to the present invention, collection evacuation, maintenance, equipment are installed on one, and comprehensive utilization ratio is high, and structure is simple, small in size, project amount is small, project cost is low, construction is simple, can also avoid interference when running to rail vehicle.
Description
Technical field
The present invention relates to technical field of rail traffic, in particular to a kind of maintenance platform of rail traffic.
Background technique
The maintenance platform of rail traffic in the related technology needs to be separately provided crossbeam, the interval between two track girders
It is larger, lead to that the occupied area of track girder and volume are larger, project amount is larger, project cost is higher, construction is complicated；Moreover, should
Maintenance platform is double-layer structure, and the safe operation of rail vehicle may be influenced whether positioned at the evacuation platform on upper layer, and under being located at
The inspection platform narrow space of layer, is unfavorable for overhauling.In addition, the maintenance platform only takes into account evacuation and maintenance function, do not consider
Equipment to rail vehicle places problem, and envelop of function is relatively narrow.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of rail
The maintenance platform of road traffic, the maintenance platform of the rail traffic is high with comprehensive utilization ratio, structure is simple, small in size, engineering
Measure the advantages that small, project cost is low, construction is simple.
The maintenance platform of rail traffic according to an embodiment of the present invention, the rail traffic include the first track girder and second
Track girder, first track girder are embedded with multiple first built-in fittings, and second track girder is embedded with multiple second built-in fittings,
The maintenance platform of the rail traffic includes: multiple crossbeams, and one end of each crossbeam is pacified by corresponding first built-in fitting
Loaded on first track girder, the other end of each crossbeam is by corresponding second installation of embedded parts in second track
Beam；At least one stringer, the stringer between first track girder and second track girder and respectively with multiple institutes
Crossbeam is stated to be connected；Supporting network, the supporting network are layed on multiple crossbeams.
The maintenance platform of rail traffic according to an embodiment of the present invention, collection evacuation, maintenance, equipment are installed on one, comprehensive
Utilization rate is high, and structure is simple, small in size, project amount is small, project cost is low, construction is simple, can also avoid to railcar
Operation when interference.
In addition, the maintenance platform of rail traffic according to an embodiment of the present invention also has following additional technical characteristic:
According to some embodiments of the present invention, each crossbeam includes: standard paragraphs, the stringer respectively with it is multiple described
The standard paragraphs of crossbeam are connected, and the supporting network is laid on the standard paragraphs of multiple crossbeams；First linkage section and the second connection
Section, by corresponding first installation of embedded parts in first track girder, second linkage section passes through first linkage section
Corresponding second installation of embedded parts is in second track girder；First Transition section and the second changeover portion, the First Transition Duan Lian
The one end and first linkage section, second changeover portion for connecing the standard paragraphs connect the other end of the standard paragraphs and described
Second linkage section.
Further, first linkage section is by corresponding first installation of embedded parts in the following table of first track girder
Face, the upper surface of first linkage section are parallel to the lower surface of first track girder；Second linkage section passes through correspondence
The second installation of embedded parts in the lower surface of second track girder, the upper surface of second linkage section is parallel to described second
The lower surface of track girder.
Optionally, the upper surface of first linkage section is inclined relative to horizontal setting；Second linkage section it is upper
Surface is inclined relative to horizontal setting.
According to some embodiments of the present invention, the lower surface of first track girder be equipped with the first embedded hole, described first
Built-in fitting is embedded in first embedded hole and is threadedly engaged with first embedded hole；The lower surface of second track girder is set
There is the second embedded hole, second built-in fitting is embedded in second embedded hole and is threadedly engaged with second embedded hole.
Optionally, each of first built-in fitting and second built-in fitting include: embedded sleeve barrel, described pre-buried
The outer peripheral surface of sleeve is equipped with external screw thread and inner peripheral surface is equipped with internal screw thread；Pre-buried cover board, the pre-buried cover board cover the pre-buried set
The top of cylinder.
Further, described one end of the crossbeam is equipped with first through hole and by passing through the first through hole and described the
First threaded fastener of the embedded sleeve barrel cooperation of one built-in fitting is installed on first track girder；The crossbeam it is described another
End is equipped with the second screw thread that the second through-hole and the embedded sleeve barrel by passing through second through-hole and second built-in fitting cooperate
Fastener is installed on second track girder.
Advantageously, each of first threaded fastener and second threaded fastener include fastening bolt and
The fastening nut being threadedly engaged with the fastening bolt.
In some embodiments of the invention, in first threaded fastener and second threaded fastener
Each further includes flexible gasket, and the flexible gasket is sheathed on the fastening bolt.
According to some embodiments of the present invention, the maintenance platform of the rail traffic further include: bent cap, first track
Beam and second track girder are supported in the bent cap；Multiple support frames, multiple support frames as described above are set to the bent cap and are located at
Between first track girder and second track girder, the top of each support frame as described above is connected with the crossbeam.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 7 is the partial structural diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 8 is the partial structural diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Fig. 9 is the partial structural diagram of the maintenance platform of rail traffic according to an embodiment of the present invention；
Figure 10 is the enlarged diagram in the portion A that Fig. 9 centre circle shows；
Figure 11 is the structural schematic diagram of the crossbeam of the maintenance platform of rail traffic according to an embodiment of the present invention；
Figure 12 is the enlarged diagram in the portion B that Figure 11 centre circle shows；
Figure 13 is the structural schematic diagram of the crossbeam of the maintenance platform of rail traffic according to an embodiment of the present invention；
Figure 14 is the enlarged diagram in the portion C that Figure 13 centre circle shows；
Figure 15 is the enlarged diagram in the portion D that Figure 13 centre circle shows；
Figure 16 is the first track girder (the second track girder) of the maintenance platform of rail traffic according to an embodiment of the present invention
Partial structural diagram；
Figure 17 is the first built-in fitting (the second built-in fitting) of the maintenance platform of rail traffic according to an embodiment of the present invention
Structural schematic diagram.
Appended drawing reference:
The maintenance platform 10 of rail traffic,
First track girder 101, the second track girder 102,
First built-in fitting 103, the second built-in fitting 104,
First threaded fastener 105, the second threaded fastener 106,
Embedded sleeve barrel 110, pre-buried cover board 120,
Fastening bolt 130, fastening nut 140, flexible gasket 150,
Crossbeam 200, standard paragraphs 210, the first linkage section 220, first through hole 221, the second linkage section 230, the second through-hole
231, First Transition section 240, the second changeover portion 250,
Stringer 300, supporting network 400, bent cap 500, support frame 600, stiffener plate 601.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the maintenance platform 10 of rail traffic according to an embodiment of the present invention is described.
As shown in Fig. 1-Figure 17, the maintenance platform 10 of rail traffic according to an embodiment of the present invention, rail traffic includes the
One track girder 101 and the second track girder 102, the maintenance platform 10 of rail traffic include: multiple crossbeams 200, at least one stringer
300 and supporting network 400.
Specifically, the first track girder 101 is embedded with multiple first built-in fittings 103, the second track girder 102 is embedded with multiple
Second built-in fitting 104.One end of each crossbeam 200 is installed on the first track girder 101 by corresponding first built-in fitting 103, often
The other end of a crossbeam 200 is installed on the second track girder 102 by corresponding second built-in fitting 104.Stringer 300 is located at the first rail
Between road beam 101 and the second track girder 102, and stringer 300 is connected with multiple crossbeams 200 respectively, for example, stringer 300 is welded on
On crossbeam 200.Supporting network 400 is layed on multiple crossbeams 200, and communication equipment, dynamic photograph, control can be installed on supporting network 400
Cable etc..
Wherein, crossbeam 200 can be made of I-steel, and stringer 300 can be channel steel, and supporting network 400 can be steel wire,
First track girder 101, the second track girder 102, the first built-in fitting 103 and the second built-in fitting 104 can be steel construction piece, thus
There is excellent performance at anticorrosion, anti-electric, fire-retardant aspect, and while guaranteeing safety and correlation function, structure is more simple
Single, project cost is cheaper.
Crossbeam 200 passes through second on the first built-in fitting 103 and the second track girder 102 on the first track girder 101 as a result,
Built-in fitting 104 links together with the first track girder 101 and the second track girder 102 respectively, stringer 300 connect with crossbeam 200 and
The skeleton that the maintenance platform 10 is formed with crossbeam 200, supporting network 400 is spread on this skeleton and just constitutes the maintenance platform 10.That is,
Pass through first built-in fitting 103 pre-buried on the first track girder 101, pre-buried second built-in fitting 104 on the second track girder 102, benefit
The first track girder 101 and the second track girder 102 is used to reduce project amount and engineering without in addition setting up crossbeam 200 as support
Cost.
Simultaneously as the crossbeam 200 that the maintenance platform 10 is not separately provided, effectively shortens 101 He of the first track girder
Interval between second track girder 102 can reduce accounting for for the first track girder 101 and the second track girder 102 to a certain extent
Ground area and volume, this will make requirement of the orbit construction to ambient enviroment lower, to achieve the purpose that reduce project cost.
In addition, the maintenance platform 10 uses single layer structure, maintenance platform 10 can be with the first track girder 101 and the second track
The bottom of beam 102 is concordant, has at a distance from bigger between maintenance platform 10 and the bottom plate of rail vehicle, flat so as to avoid maintenance
Interference when platform 10 runs rail vehicle.
In short, the maintenance platform 10 of rail traffic according to an embodiment of the present invention, collection evacuation, maintenance, equipment are installed on
One, realizes the comprehensive utilization to the maintenance platform 10, and structure is simple, small in size, project amount is small, project cost is low,
Construction is simple can also avoid interference when running to rail vehicle.
In some embodiments of the invention, as shown in figs 1 to 6, the first track girder 101 is parallel with the second track girder 102
Setting, crossbeam 200 along the first track girder 101 be laterally extended and stringer 300 extends along the longitudinal direction of the first track girder 101, that is, it is horizontal
The length direction of beam 200 is oriented along the width direction of the first track girder 101, and the length direction of stringer 300 is along the first track girder 101
Orientated lengthwise.
According to some embodiments of the present invention, as shown in Fig. 9-Figure 15, each crossbeam 200 includes: standard paragraphs 210, first
Linkage section 220, the second linkage section 230, First Transition section 240 and the second changeover portion 250.
Specifically, stringer 300 is connected with the standard paragraphs 210 of multiple crossbeams 200 respectively, and supporting network 400 is laid on multiple cross
On the standard paragraphs 210 of beam 200.First linkage section 220 is installed on the first track girder 101 by corresponding first built-in fitting 103, the
Two linkage sections 230 are installed on the second track girder 102 by corresponding second built-in fitting 104.First Transition section 240 connects standard paragraphs
210 one end and the first linkage section 220, the second changeover portion 250 connect the other end and the second linkage section 230 of standard paragraphs 210.
Further, as depicted in figs. 1 and 2, the first linkage section 220 is installed on the by corresponding first built-in fitting 103
The lower surface of one track girder 101, the upper surface of the first linkage section 220 are parallel to the lower surface of the first track girder 101.Second connection
Section 230 is installed on the lower surface of the second track girder 102, the upper surface of the second linkage section 230 by corresponding second built-in fitting 104
It is parallel to the lower surface of the second track girder 102.In this way, the upper surface of maintenance platform 10 and the first track girder 101 and the second track
The lower surface of beam 102 is concordant, and the upper surface of maintenance platform 10 has at a distance from bigger between the bottom plate of rail vehicle.
Optionally, as shown in Figure 2 and Figure 4, in order to facilitate rail vehicle turning, under the first track girder of corner 101
When surface is inclined relative to horizontal setting, the upper surface of the first linkage section 220 is inclined relative to horizontal setting；Second track
When the lower surface of beam 102 is inclined relative to horizontal setting, the upper surface of the second linkage section 230, which is inclined relative to horizontal, to be set
It sets.In this way, construction is simpler, and it is conducive to guarantee connection reliability.
According to some embodiments of the present invention, shown in as shown in Figure 1, Figure 2, Figure 16 and Figure 17, the lower surface of the first track girder 101
Equipped with the first embedded hole, the first built-in fitting 103 is embedded in the first embedded hole, and the first built-in fitting 103 and the first embedded hole screw thread
Cooperation.The lower surface of second track girder 102 is equipped with the second embedded hole, and the second built-in fitting 104 is embedded in the second embedded hole, and second
Built-in fitting 104 is threadedly engaged with the second embedded hole.In this way, connection is relatively reliable.
Optionally, as shown in Figure 16 and Figure 17, each of the first built-in fitting 103 and the second built-in fitting 104 include: pre-
Bury sleeve 110 and pre-buried cover board 120.The outer peripheral surface of embedded sleeve barrel 110 is equipped with external screw thread and inner peripheral surface is equipped with internal screw thread.Pre-buried lid
The top of the capping embedded sleeve barrel 110 of plate 120.For example, embedded sleeve barrel 110 and pre-buried cover board 120 are steel construction piece, thus structure
Simpler and high reliablity.
Further, as shown in Figure 11-Figure 15, the first linkage section 220 is equipped with first through hole 221, and the first linkage section 220
Be installed on the first track girder 101 by the first threaded fastener 105, the first threaded fastener 105 pass through first through hole 221 and with
The embedded sleeve barrel 110 of first built-in fitting 103 cooperates.Second linkage section 230 is equipped with the second through-hole 231, and the second linkage section 230 is logical
It crosses the second threaded fastener 106 and is installed on the second track girder 102, the second threaded fastener 106 passes through the second through-hole 231 and with the
The embedded sleeve barrel 110 of two built-in fittings 104 cooperates.In this way, construction is more convenient.Project cost is lower.
Advantageously, as depicted in figs. 1 and 2, each of the first threaded fastener 105 and the second threaded fastener 106
Including fastening bolt 130 and the fastening nut being threadedly engaged with fastening bolt 130 140, the fastening spiral shell of the first threaded fastener 105
Bolt 130 passes through first through hole 221 and cooperation in the embedded sleeve barrel 110 of the first built-in fitting 103, the second threaded fastener 106
Fastening bolt 130 passes through the second through-hole 231 and cooperation in the embedded sleeve barrel 110 of the second built-in fitting 104.
In some embodiments of the invention, as depicted in figs. 1 and 2, the first threaded fastener 105 and the second screw thread
Each of fastener 106 further includes flexible gasket 150, and flexible gasket 150 is sheathed on fastening bolt 130, and the first screw thread is tight
The flexible gasket 150 of firmware 105 between the first linkage section 220 and the first track girder 101, the second threaded fastener 106
Flexible gasket 150 is between the second linkage section 230 and the second track girder 102.For example, flexible gasket 150 is rubber parts, thus
Buffer shock-absorbing effect is good.
According to some embodiments of the present invention, as shown in Fig. 3-Fig. 9, the maintenance platform 10 of rail traffic further include: bent cap
500 and multiple support frames 600.First track girder 101 and the second track girder 102 are supported in bent cap 500.Multiple support frames 600 are set
In bent cap 500, and multiple support frames 600 are between the first track girder 101 and the second track girder 102, each support frame 600
Top is connected with crossbeam 200.Advantageously, each support frame 600 is equipped with stiffener plate 601, to guarantee security reliability.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation or positional relationship of the instructions such as " thickness ", "upper", "lower", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " can
Select embodiment ", the description of " example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of maintenance platform of rail traffic, which is characterized in that the rail traffic includes the first track girder and the second track
Beam, first track girder are embedded with multiple first built-in fittings, and second track girder is embedded with multiple second built-in fittings, described
The maintenance platform of rail traffic includes:
Multiple crossbeams, one end of each crossbeam pass through corresponding first installation of embedded parts in first track girder, each
The other end of the crossbeam is by corresponding second installation of embedded parts in second track girder；
At least one stringer, the stringer between first track girder and second track girder and respectively with multiple institutes
Crossbeam is stated to be connected；
Supporting network, the supporting network are layed on multiple crossbeams.
2. the maintenance platform of rail traffic according to claim 1, which is characterized in that each crossbeam includes:
Standard paragraphs, the stringer are connected with the standard paragraphs of multiple crossbeams respectively, and the supporting network is laid on multiple cross
On the standard paragraphs of beam；
First linkage section and the second linkage section, first linkage section is by corresponding first installation of embedded parts in first rail
Road beam, second linkage section is by corresponding second installation of embedded parts in second track girder；
First Transition section and the second changeover portion, the First Transition section connect one end of the standard paragraphs and described first and connect
Section, second changeover portion connect the other end and second linkage section of the standard paragraphs.
3. the maintenance platform of rail traffic according to claim 2, which is characterized in that first linkage section passes through correspondence
The first installation of embedded parts in the lower surface of first track girder, the upper surface of first linkage section is parallel to described first
The lower surface of track girder；
Second linkage section is connected by corresponding second installation of embedded parts in the lower surface of second track girder, described second
The upper surface for connecing section is parallel to the lower surface of second track girder.
4. the maintenance platform of rail traffic according to claim 2, which is characterized in that the upper surface of first linkage section
It is inclined relative to horizontal setting；
The upper surface of second linkage section is inclined relative to horizontal setting.
5. the maintenance platform of rail traffic according to claim 1, which is characterized in that the lower surface of first track girder
Equipped with the first embedded hole, first built-in fitting is embedded in first embedded hole and is threadedly engaged with first embedded hole；
The lower surface of second track girder be equipped with the second embedded hole, second built-in fitting be embedded in second embedded hole and
It is threadedly engaged with second embedded hole.
6. the maintenance platform of rail traffic according to claim 5, which is characterized in that first built-in fitting and described
Each of two built-in fittings include:
Embedded sleeve barrel, the outer peripheral surface of the embedded sleeve barrel is equipped with external screw thread and inner peripheral surface is equipped with internal screw thread；
Pre-buried cover board, the pre-buried cover board cover the top of the embedded sleeve barrel.
7. the maintenance platform of rail traffic according to claim 6, which is characterized in that described one end of the crossbeam is equipped with
The first threaded fastener that first through hole and the embedded sleeve barrel by passing through the first through hole and first built-in fitting cooperate
It is installed on first track girder；
The other end of the crossbeam is equipped with the second through-hole and by passing through second through-hole and second built-in fitting
Second threaded fastener of embedded sleeve barrel cooperation is installed on second track girder.
8. the maintenance platform of rail traffic according to claim 7, which is characterized in that first threaded fastener and institute
State the fastening nut that each of second threaded fastener includes fastening bolt and is threadedly engaged with the fastening bolt.
9. the maintenance platform of rail traffic according to claim 8, which is characterized in that first threaded fastener and institute
Stating each of second threaded fastener further includes flexible gasket, and the flexible gasket is sheathed on the fastening bolt.
10. the maintenance platform of rail traffic according to claim 1 to 9, which is characterized in that further include:
Bent cap, first track girder and second track girder are supported in the bent cap；
Multiple support frames, multiple support frames as described above are set to the bent cap and are located at first track girder and second track girder
Between, the top of each support frame as described above is connected with the crossbeam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461026.6A CN109972539B (en) | 2017-12-28 | 2017-12-28 | Maintenance platform for rail transit |
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|---|---|---|---|
| CN201711461026.6A CN109972539B (en) | 2017-12-28 | 2017-12-28 | Maintenance platform for rail transit |
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| CN109972539B CN109972539B (en) | 2021-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463494A (en) * | 2020-03-31 | 2021-10-01 | 比亚迪股份有限公司 | Track beam and construction method thereof |
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| CN206736635U (en) * | 2017-05-31 | 2017-12-12 | 重庆市轨道交通设计研究院有限责任公司 | The evacuation inspection platform of straddle-type monorail transportation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463494A (en) * | 2020-03-31 | 2021-10-01 | 比亚迪股份有限公司 | Track beam and construction method thereof |
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| CN109972539B (en) | 2021-05-14 |
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