CN209975273U - double-I-shaped rail bearing beam for magnetic suspension rail transit - Google Patents
double-I-shaped rail bearing beam for magnetic suspension rail transit Download PDFInfo
- Publication number
- CN209975273U CN209975273U CN201920349915.1U CN201920349915U CN209975273U CN 209975273 U CN209975273 U CN 209975273U CN 201920349915 U CN201920349915 U CN 201920349915U CN 209975273 U CN209975273 U CN 209975273U
- Authority
- CN
- China
- Prior art keywords
- riser
- bottom plate
- double
- roof
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a magnetism floats two work words of track traffic and holds rail roof beam, including the I-beam that road direction symmetry set up along the line, this I-beam includes bottom plate (1), locates perpendicularly riser (2) and perpendicular to on bottom plate (1) roof (3) that riser (2) set up, connecting elements are reserved respectively in roof (3) and riser (2), the width of riser (2) is less than the width of bottom plate (1) and roof (2), just bottom plate (1), riser (2) and roof (3) constitute the I-beam structure jointly. The utility model discloses a pair of duplex word bearing rail roof beam, track structure and train load pass through the roof and transmit for the riser, transmit the bottom plate by the riser again, transmit for bearing structure by the bottom plate again. The rigidity of the I-beam and the supporting structure below the I-beam is utilized to meet the requirement of smoothness of a track structure, the safe operation of the maglev train is ensured, the material consumption is saved, and the influence of temperature load is reduced.
Description
Technical Field
The utility model belongs to the technical field of magnetism floats track traffic, more specifically relates to a magnetism floats double letter bearing rail roof beam of track traffic.
Background
The medium-low speed magnetic suspension rail transit belongs to a novel rail transit mode, and is more and more required by urban development due to strong climbing capacity, small turning radius, low engineering cost and small environmental pollution. The line of the magnetic suspension track traffic engineering is divided into an elevated structure, an underground structure and a low-level structure, wherein the underground structure, the low-level structure and the elevated structure are all provided with a track bearing beam to support the track structure, and the track bearing beam is an important part in the magnetic suspension track traffic engineering. The structural form of the rail bearing beam in engineering practice presents diversity, and the adopted rail bearing beam forms comprise a box beam, a solid beam, a frame column beam and the like.
The prior art of the rail bearing beam has the following defects:
(1) the box girder is comparatively common beam type, and the advantage is save material, rigidity is big, the deformation is little, nevertheless because the bearing rail roof beam structure size is less, and the installation of incasement template is very inconvenient with demolising during the construction, and personnel can not get into in the box simultaneously, and the roof beam incasement overhauls the degree of difficulty very big.
(2) The frame column beam has the advantages of light structure and material saving, but because the column, the longitudinal and the transverse tie beams are all small members, each member needs to be independently built with a template for pouring, and the construction process is very complicated.
(3) The solid beam has the advantages of simple structure form and convenient construction, but has the defects of heavy weight, high requirement on foundation bearing capacity, masonry material waste, large influence of temperature load and the like.
(4) The existing rail bearing beam technology adopts cast-in-place construction, the construction period is long, and the construction quality is not easy to control.
SUMMERY OF THE UTILITY MODEL
To prior art's above defect or improvement demand, the utility model provides a magnetism floats two I-shaped support rail roof beams of track traffic, a serial communication port, the I-shaped roof beam is prefabricated good and quality inspection is qualified after fortune to the job site in prefabricated mill, per two I-shaped roof beams are installed in circuit central symmetry on the tunnel, bearing structure such as road bed or bridge, reserve connecting reinforcement and post-cast strip between the bottom plate of two I-shaped roof beams, pour concrete after through with two I-shaped roof beams and pour into whole, become a lesson support rail roof beam, the weight and the construction degree of difficulty of hoist and mount component have been reduced, the while assembly construction period is short, easy maintenance and maintenance.
In order to realize the above-mentioned purpose, the utility model provides a magnetism floats two duplex word support rail roof beams of track traffic locates on the bearing structure of road bed, tunnel or bridge and so on, include:
the I-shaped beam is symmetrically arranged along the direction of a line and comprises a bottom plate, vertical plates vertically arranged on the bottom plate and a top plate vertically arranged on the vertical plates, connecting members are reserved on the top plate and used for installing a track structure, and connecting members are reserved on the vertical plates and used for installing power supply equipment;
the width of the vertical plate is smaller than the width of the bottom plate and the width of the top plate, and the bottom plate, the vertical plate and the top plate jointly form an I-beam structure for transmitting the loads of the track structure and the train through the I-beam structure and simultaneously ensuring the self-stability of the structure.
Furthermore, the bottom plate, the vertical plate and the top plate are all reinforced concrete members.
Furthermore, the I-beams are prefabricated parts, connecting steel bars and post-pouring belts are arranged between the double I-beams, and the connecting steel bars and the post-pouring belts are arranged on one sides, close to the symmetrical center line, of the bottom plates of the I-beams and are used for realizing that the two prefabricated I-beams are connected to form an integral double I-shaped rail bearing beam structure.
Furthermore, the vertical plate and the top plate are rectangular in cross section, and the bottom plate is a rectangular cross section or a trapezoidal cross section with a narrow upper part and a wide lower part.
Furthermore, the internal corners of the joints of the vertical plate and the top plate and the joints of the vertical plate and the bottom plate are provided with chamfers or rounded circles.
Furthermore, a riser bottom chamfer is arranged at the position where the bottom of the riser is in butt joint with the bottom plate, and a riser top chamfer is arranged at the position where the top of the riser is in butt joint with the top plate.
Furthermore, the bottom of the vertical plate is provided with a vertical plate bottom rounding at the butt joint position of the bottom plate, and the top of the vertical plate is provided with a vertical plate top rounding at the butt joint position of the top plate.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. the utility model discloses a pair of duplex word bearing rail roof beam, track structure and train load pass through the roof and transmit for the riser, transmit the bottom plate by the riser again, transmit for bearing structure by the bottom plate again. The rigidity of the I-beam and the supporting structure below the I-beam is utilized to meet the requirement of smoothness of a track structure, the safe operation of the maglev train is ensured, the material consumption is saved, and the influence of temperature load is reduced.
2. The utility model discloses a pair of duplex I-beam bearing rail roof beam can adopt two prefabricated I-beams to assemble into a lesson bearing rail roof beam, has reduced prefabricated template cost, has reduced the weight and the construction degree of difficulty of hoist and mount component, and the assembly construction period is short simultaneously, easy to overhaul and maintain.
3. The utility model discloses a pair of duplex style of calligraphy support rail roof beam, I-beam and track structural component wholeness steel-concrete structure undertake maglev vehicle load jointly, better performance the rigidity effect of steel type sleeper.
4. The utility model discloses a when two duplex I-shaped support rail roof beams directly placed on the road bed, for the convenience of I-shaped beam location installation, the beam bottom can set up rubble or concrete cushion and play leveling and positioning action as construction platform.
5. The utility model discloses a double-word bearing rail roof beam, through relative riser end chamfer and the riser top chamfer that sets up, effectively increased the sectional area at structure transition position to realized the chamfer transition of structural connection department, increased the ride comfort of load transmission, slowed down the stress concentration condition of this department greatly.
6. The utility model discloses a double-unit shape support rail beam, through relative riser base radius and the riser top radius that sets up, effectively increased the sectional area at structure transition position to realized the rounding off of structural connection department, increased the ride comfort of load transmission, further slowed down the stress concentration condition of this department.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment 1 of a double-I-shaped rail bearing beam for magnetic levitation rail transit of the present invention;
fig. 2 is an installation schematic view of a double-I-shaped rail bearing beam of magnetic levitation rail transit according to the embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of an embodiment 2 of a double-I-shaped rail bearing beam for magnetic levitation rail transit of the present invention;
fig. 4 is an installation schematic view of a double-I-shaped rail bearing beam of magnetic levitation rail transit in the embodiment 2 of the present invention;
fig. 5 is a schematic cross-sectional view of an embodiment 3 of a double-I-shaped rail bearing beam for magnetic levitation rail transit of the present invention;
fig. 6 is the installation schematic diagram of the double-I-shaped rail bearing beam of the magnetic levitation rail transit of the utility model shown in the embodiment 3.
In all the figures, the same reference numerals denote the same features, in particular: 1-bottom plate, 2-vertical plate, 3-top plate, 4-post-cast strip, 5-rail bearing platform, 6-steel sleeper, 7-F type guide rail, 8-power supply rail, 9-connecting member, 201-vertical plate bottom chamfer, 202-vertical plate top chamfer, 203-vertical plate bottom radius and 204-vertical plate top radius.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and fig. 2, it is the structural schematic diagram of the double-H-shaped rail-bearing beam of magnetic levitation rail transit in embodiment 1 of the present invention. The double-I-shaped rail bearing beam for the magnetic suspension rail transit comprises two symmetrically arranged I-shaped beams and a post-cast strip 4 arranged between the I-shaped beams. Wherein, two I-beams can be prefabricated I-beams, and cast-in-place fixed connection is realized through the post-cast strip 4 after the I-beams are symmetrically assembled.
As shown in fig. 1, the i-beam comprises a bottom plate 1, a vertical plate 2 and a top plate 3, which are all reinforced concrete members and are formed by one-time pouring. The bottom plate 1 is rectangular cross section, and the riser 2 is rectangular cross section, and perpendicular to bottom plate 1 arranges and the rigid coupling on bottom plate 1, and roof 3 is rectangular cross section, and perpendicular to riser 2 arranges to the rigid coupling is at the top of riser 2.
Furthermore, a connecting component 9 is arranged on the outer side of the vertical plate 2, and the connecting component 9 is fixedly connected with the vertical plate 2 and matched with the power supply rail 8 for supplying power to the magnetic suspension train.
As shown in fig. 2, the i-beams are prefabricated and processed in a prefabrication factory and are transported to a construction site after quality inspection is qualified, every two i-beams are symmetrically arranged on a supporting structure such as a tunnel, a roadbed or a bridge at the center of a line, a connecting reinforcing steel bar and a post-pouring belt 4 are reserved between bottom plates 1 of the two i-beams, and the two i-beams are poured into a whole through post-pouring concrete to form a section of rail bearing beam. As shown in fig. 1, the rail bearing platform 5 is disposed on the top plate 3 and used for mounting a steel sleeper 6, and the steel sleeper 6 is fixedly connected with an F-shaped guide rail 7 through a connecting member, thereby forming a double-H-shaped rail bearing beam structure for magnetic suspension rail transit.
During operation track structure and train load pass through roof 3 and transmit riser 2, are passed to bottom plate 1 by riser 2 again, are transmitted to bearing structure by bottom plate 1 again. The rigidity of the I-beam and the supporting structure below the I-beam is utilized to meet the requirement of smoothness of the track structure, and the safe operation of the maglev train is ensured.
The rail bearing beam is formed by splicing two symmetrical prefabricated I-beams, so that the material consumption can be effectively saved, the influence of temperature load is reduced, the cost of a prefabricated template is reduced, the weight and the construction difficulty of a hoisting component are reduced, the assembling construction period is short, the maintenance is easy, the I-beams and the track structure form an integral reinforced concrete structure, the vehicle load is jointly borne, and the rigidity effect of the steel sleeper is better exerted.
Fig. 3 and 4 are schematic structural views of a double-i-shaped rail-supporting beam of magnetic levitation rail transit according to another embodiment of the present invention. The double-I-shaped rail bearing beam for the magnetic suspension rail transit comprises two symmetrically arranged I-shaped beams and a post-cast strip 4 arranged between the I-shaped beams. Wherein, two I-beams can be prefabricated I-beams, and cast-in-place fixed connection is realized through the post-cast strip 4 after the I-beams are symmetrically assembled.
As shown in fig. 3, the i-beam comprises a bottom plate 1, a vertical plate 2 and a top plate 3, which are all reinforced concrete members and are formed by one-time pouring. The bottom plate 1 is rectangular cross section, and the riser 2 is rectangular cross section, and perpendicular to bottom plate 1 arranges and the rigid coupling on bottom plate 1, and roof 3 is rectangular cross section, and perpendicular to riser 2 arranges to the rigid coupling is at the top of riser 2. Preferably, the position of 2 bottoms of this riser and 1 butt joints of bottom plate is equipped with the riser bottom chamfer 201, and the position that its top and roof 3 butt joints is equipped with riser top chamfer 202, and chamfer 201 and riser top chamfer 202 are at the bottom of the riser through relative setting, have effectively increased the sectional area at structure transition position to the chamfer transition of having realized the structural connection department has increased the ride comfort of load transmission, has slowed down the stress concentration condition of this department greatly.
Fig. 5 and fig. 6 are schematic views showing a double-i-shaped rail-supporting beam structure of magnetic levitation rail transit according to another embodiment of the present invention. The double-I-shaped rail bearing beam for the magnetic suspension rail transit comprises two symmetrically arranged I-shaped beams and a post-cast strip 4 arranged between the I-shaped beams. Wherein, two I-beams can be prefabricated I-beams, and cast-in-place fixed connection is realized through the post-cast strip 4 after the I-beams are symmetrically assembled.
As shown in fig. 3, the i-beam comprises a bottom plate 1, a vertical plate 2 and a top plate 3, which are all reinforced concrete members and are formed by one-time pouring. The bottom plate 1 is rectangular cross section, and the riser 2 is rectangular cross section, and perpendicular to bottom plate 1 arranges and the rigid coupling on bottom plate 1, and roof 3 is rectangular cross section, and perpendicular to riser 2 arranges to the rigid coupling is at the top of riser 2. Preferably, the position that this riser 2 bottom and bottom plate 1 butt joint is equipped with riser bottom radius 203, and the position that its top and roof 3 butt joint are equipped with riser top radius 204, through relative riser bottom radius 203 and the riser top radius 204 that sets up, has effectively increased the sectional area at structure transition position to realize the smooth transition of structural connection department, increased the smoothness of load transmission, further slowed down the stress concentration condition of this department.
Furthermore, the utility model discloses an in another embodiment, the I-beam is prefabricated component, provides one kind the construction method of two style of calligraphy support rail roof beams of magnetic levitation track traffic, include following step:
s1: prefabricating and processing an I-beam, wherein the prefabricated and processed I-beam comprises a bottom plate, a vertical plate and a top plate, the I-beam is integrally cast, connecting members of the top plate and the vertical plate are pre-embedded before casting, connecting reinforcing steel bars are reserved at the same time, and the prefabricated I-beam, the connecting members and the connecting reinforcing steel bars are transported to a construction site after being inspected to be qualified;
s2: constructing a cushion layer on the support structures such as the constructed tunnel, the roadbed, the bridge and the like, then symmetrically installing two I-beams in the center of the line, and reserving post-cast strips and connecting steel bar positions;
s3: welding or/and binding connecting steel bars reserved at the bottoms of the I-beams, pouring post-cast strip concrete, and pouring the two prefabricated I-beams into a whole;
s4: after the concrete to be poured reaches the design requirement, a track structure is installed on the top plate, and power supply equipment is installed on the vertical plate.
The I-beam is a cast-in-place member and comprises the following steps:
s10: constructing a cushion layer on the support structures such as the constructed tunnel, the roadbed, the bridge and the like, then symmetrically binding I-beam reinforcing steel bars at the center of the line, and installing a template;
s11: pouring double-I-shaped rail bearing beam concrete, and pre-embedding connecting components of the top plate and the vertical plate before pouring;
s12: after the concrete to be poured reaches the design requirement, a track structure is installed on the top plate, and power supply equipment is installed on the vertical plate.
The utility model discloses a method, the I-beam is prefabricated good and qualified after quality control transports to the job site at prefabricated mill, per two I-beams are installed on bearing structure such as tunnel, road bed or bridge in circuit central symmetry, reserve connecting reinforcement and post-cast strip 4 between the bottom plate 1 of two I-beams, pour two I-beams into whole through the back concreting, become a lesson bearing rail roof beam, the weight and the construction degree of difficulty of hoist and mount component have been reduced, the while assembly construction period is short, easy maintenance and maintenance.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (7)
1. The utility model provides a two duplex character support rail roof beams of magnetic levitation track traffic, locate the bearing structure of road bed, tunnel or bridge and so on which characterized in that includes:
the I-shaped beam is symmetrically arranged along the direction of a line and comprises a bottom plate (1), a vertical plate (2) vertically arranged on the bottom plate (1) and a top plate (3) vertically arranged on the vertical plate (2), wherein a connecting component is reserved on the top plate (3) and used for mounting a track structure, and a connecting component is reserved on the vertical plate (2) and used for mounting power supply equipment;
the width of riser (2) is less than the width of bottom plate (1) and roof (3), just bottom plate (1), riser (2) and roof (3) constitute I-beam structure jointly for with the load of track structure and train pass through this I-beam structure transmission and guarantee the self-stability of structure simultaneously.
2. The double-H-shaped rail bearing beam for the magnetic suspension rail transit according to claim 1, wherein the bottom plate (1), the vertical plate (2) and the top plate (3) are all reinforced concrete members.
3. The double-I-shaped rail bearing beam for the magnetic suspension rail transit according to claim 1, wherein the I-shaped beams are prefabricated components, connecting steel bars and post-pouring belts (4) are arranged between the double-I-shaped beams, and the connecting steel bars and the post-pouring belts (4) are arranged on one side, close to a symmetrical center line, of a bottom plate (1) of each I-shaped beam and are used for realizing connection of the two prefabricated I-shaped beams to form an integral double-I-shaped rail bearing beam structure.
4. The double-H-shaped rail bearing beam for the magnetic suspension rail transit according to claim 1, wherein the vertical plate (2) and the top plate (3) are rectangular in cross section, and the bottom plate (1) is rectangular in cross section or trapezoidal in cross section with a narrow top and a wide bottom.
5. The double-H-shaped rail bearing beam for the magnetic suspension rail transit according to any one of claims 1 to 4, wherein the internal corners of the joints of the vertical plates (2) and the top plate (3) and the vertical plates (2) and the bottom plate (1) are provided with chamfers or rounded corners.
6. The double-letter rail bearing beam for the magnetic suspension rail transit according to any one of claims 1 to 4, characterized in that a riser bottom chamfer (201) is arranged at the position where the bottom of the riser (2) is butted with the bottom plate (1), and a riser top chamfer (202) is arranged at the position where the top of the riser (2) is butted with the top plate (3).
7. The double-letter rail bearing beam for the magnetic suspension rail transit according to any one of claims 1 to 4, characterized in that a riser bottom rounding (203) is arranged at the position where the bottom of the riser (2) is butted with the bottom plate (1), and a riser top rounding (204) is arranged at the position where the top of the riser is butted with the top plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920349915.1U CN209975273U (en) | 2019-03-19 | 2019-03-19 | double-I-shaped rail bearing beam for magnetic suspension rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920349915.1U CN209975273U (en) | 2019-03-19 | 2019-03-19 | double-I-shaped rail bearing beam for magnetic suspension rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975273U true CN209975273U (en) | 2020-01-21 |
Family
ID=69255064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920349915.1U Active CN209975273U (en) | 2019-03-19 | 2019-03-19 | double-I-shaped rail bearing beam for magnetic suspension rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029537A (en) * | 2019-03-19 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of magnetic levitation track traffic duplex word support rail beam and its construction method |
-
2019
- 2019-03-19 CN CN201920349915.1U patent/CN209975273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029537A (en) * | 2019-03-19 | 2019-07-19 | 中铁磁浮交通投资建设有限公司 | A kind of magnetic levitation track traffic duplex word support rail beam and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106758856B (en) | The construction method of the pretensioned prestressing corrugated steel web plate composite box girder of precast block | |
| CN102704355B (en) | Realization method of seamless rail for straddle-type monorail transportation | |
| CN103161101A (en) | Straddle type monorail transportation rigid framework system | |
| CN110847062A (en) | Construction method for whole-hole assembly double-width erection in 80-meter-span wide steel box girder factory | |
| CN109958049A (en) | A kind of modularization steel-is mixed to combine small box girder freely-supported continuous bridge and its construction method | |
| CN209975273U (en) | double-I-shaped rail bearing beam for magnetic suspension rail transit | |
| CN108505407B (en) | Construction method of fully-prefabricated assembled concrete freight suspension type monorail structure | |
| CN210826953U (en) | Superposed track beam for magnetic suspension line | |
| CN217203584U (en) | Bridge structure with U-shaped beam | |
| CN104032862B (en) | Assembled girder steel seam line L shape mixing coupled wall and construction method thereof | |
| CN216378941U (en) | Board-end hinged prefabricated assembly board type track structure | |
| CN213836256U (en) | Steel structure box girder bridge structure for PRT | |
| CN214737289U (en) | Mounting structure for assembled elevated road and bridge | |
| CN209798451U (en) | Magnetic suspension rail transit building block type rail bearing beam | |
| CN209975344U (en) | Medium-low speed magnetic levitation simply supported and then continuous double-line beam | |
| CN210561658U (en) | Medium-low speed magnetic levitation simply-supported-then-continuous beam | |
| CN206570675U (en) | The pretensioned prestressing corrugated steel web plate composite box girder of precast block | |
| CN112030613A (en) | Assembly type floating plate track structure adaptive to traveling direction | |
| CN112281634A (en) | Rib plate hybrid connecting structure with supporting and rear cantilever arms of spine beam bridge | |
| CN110029537A (en) | A kind of magnetic levitation track traffic duplex word support rail beam and its construction method | |
| CN217052879U (en) | Expansion joint structure for connection of Yunba steel track beam and concrete track beam | |
| CN202730634U (en) | Viaduct channel girder segment prefabricated structure for rail transit | |
| CN220266205U (en) | Track beam combined structure suitable for straddle type monorail | |
| CN214939272U (en) | Railway steel truss girder combined bridge deck structure and system | |
| CN214656368U (en) | Vertical connecting device suitable for steel-concrete composite beam bridge deck and steel beam body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |