CN209798451U - Magnetic suspension rail transit building block type rail bearing beam - Google Patents
Magnetic suspension rail transit building block type rail bearing beam Download PDFInfo
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- CN209798451U CN209798451U CN201920175628.3U CN201920175628U CN209798451U CN 209798451 U CN209798451 U CN 209798451U CN 201920175628 U CN201920175628 U CN 201920175628U CN 209798451 U CN209798451 U CN 209798451U
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Abstract
the utility model discloses a magnetic levitation track traffic block type rail bearing beam, which comprises a base (1) and a plurality of spaced blocks (2) for supporting a track, wherein the blocks (2) are of a prefabricated structure and are the smallest supporting units of the track, and the length of the blocks along the track direction is matched with the installation requirement of a connecting component of a set of magnetic levitation tracks for realizing the positioning of the track; the bottom of the building block (2) is arranged in the base (1) and is sequentially arranged along the line direction, a power supply rail (5) and a magnetic suspension rail are arranged on the building block (2), and the building block (2) is supported and positioned on the rail. The utility model discloses the upper portion roof beam body that will have the bearing rail roof beam divides into parts, not only is used for supporting still can realize the track location, and the assembled of base and building block is connected the degree of difficulty that reduces the construction.
Description
Technical Field
The utility model belongs to the technical field of the support rail roof beam, more specifically relates to a magnetism floats track traffic building block formula support rail roof beam.
Background
Magnetic suspension track traffic belongs to a neotype track traffic mode, and magnetic suspension traffic lines divide into overhead structure, underground structure and low structure of putting, and wherein underground structure, low structure and overhead structure's roof beam is put the roof beam mode and is all set up the support rail roof beam and come the support rail structure, and the support rail roof 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 main form of the rail bearing beam comprises 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.
(5) The cast-in-place construction precision of the rail bearing beam is general, and a construction measure for ensuring the installation precision of the rail structure needs to be arranged between the rail structure and the rail bearing beam, for example, a cast-in-place rail bearing platform structure is arranged between the rail bearing beam and the steel type sleeper by medium-low speed magnetic levitation to ensure the installation precision of the steel type sleeper and the F type guide rail.
SUMMERY OF THE UTILITY MODEL
To the above defect or the improvement demand of prior art, the utility model provides a magnetism floats rail transit building block formula support rail roof beam, building block and pedestal connection through a plurality of intervals setting, the building block that a plurality of intervals set up is used for the support rail, and the building block is as the support element of minimum with original continuous beam body structure whole zero, can adjust the building block position in a flexible way and realize accurate positioning, match with track structure's mounted position accuracy.
In order to achieve the above object, as an aspect of the present invention, there is provided a magnetic suspension rail transit block type rail-bearing beam, comprising a base and a plurality of spaced blocks for supporting a rail, wherein the blocks are provided with a power supply rail and a magnetic suspension rail, and the plurality of blocks support and position the rail;
The building blocks are of prefabricated structures and are arranged on the base in sequence along the line direction, the building blocks are the smallest support units of the tracks, the length of the building blocks along the track direction is matched with the installation requirements of the connecting members of the magnetic suspension tracks, and the building blocks are used for supporting and positioning the magnetic suspension tracks.
Furthermore, the top of the base is provided with a groove, and the bottom of each building block is arranged in the groove and connected with the base in an assembling mode.
Furthermore, the width of the groove is larger than that of the building block, the depth of the groove is larger than that of the embedded depth of the building block, and post-cast concrete is filled between the building block and the groove.
furthermore, the building blocks and the base are internally provided with connecting steel bars.
further, the connecting reinforcing steel bars comprise reinforcing steel bars in the building blocks and reinforcing steel bars in the bases, wherein the reinforcing steel bars are arranged along the height direction of the building blocks.
Furthermore, the reinforcing bar is netted in the base, the bottom of reinforcing bar in the brickwork inlay in the network structure of reinforcing bar in the base.
Further, the building block is of an integral structure or a structure comprising two building block units which are symmetrically arranged at intervals.
Further, the bottom of the building block is provided with a tenon or a key slot.
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 magnetism floats rail transit building block formula support rail roof beam, building block and pedestal connection through a plurality of intervals setting, the building block that a plurality of intervals set up is used for the support rail, and the building block is as the support element of minimum with original continuous beam body structure whole part, realizes floating orbital support and location to can adjust building block space coordinate in a flexible way and realize the accurate positioning.
(2) The utility model discloses a magnetism floats rail transit building block formula support rail roof beam is equipped with the recess on the base, and the fixed connection of building block and base is realized to the structure through the recess, improves the flexibility of construction greatly, and the width of recess is greater than the width of building block, and the degree of depth is greater than the buried depth of building block to the building block of being convenient for is nimble to be adjusted the position in the recess, realizes the location better.
(3) The utility model discloses a magnetism floats track traffic building block formula support rail roof beam, all be equipped with the connecting reinforcement in building block and the base, thereby building block in-connection reinforcing bar sets up the rigidity that increases the building block along building block direction of height, make it realize better the support to track and upper portion load, guarantee overall structure's intensity, the reinforcing bar is netted arranging in the base, the reinforcing bar is arranged in netted base reinforcing bar in the building block, realize the preliminary location of building block, and the reinforcing bar can strengthen the rigidity of base equally in the base, increase overall structure's intensity.
drawings
FIG. 1 is a schematic structural view of a prior art rail bearing beam;
Fig. 2 is a schematic structural view of a magnetic levitation track traffic block type rail-bearing beam according to a first embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the block-type rail-supporting beam and the rail according to the first embodiment of the present invention;
Fig. 4 is a schematic structural view of a magnetic levitation track traffic block type rail-bearing beam according to a second embodiment of the present invention;
fig. 5 is a schematic structural view of a base according to a second embodiment of the present invention;
Fig. 6 is a schematic view of the connection between the block-type rail supporting beam and the rail according to the second embodiment of the present invention;
Fig. 7 is a schematic structural view of a magnetic levitation track traffic block type rail-bearing beam according to a third embodiment of the present invention;
FIG. 8 is a schematic structural view of the connection between the block and the base in the embodiment of the present invention;
fig. 9 is a schematic structural view of a first embodiment of the building block of the present invention;
Fig. 10 is a schematic structural view of a second embodiment of the building block of the present invention;
Fig. 11 is a schematic structural view of a third embodiment of the building block of the present invention;
Fig. 12 is a schematic structural view of a fourth embodiment of the building block of the present invention;
Fig. 13 is a schematic structural view of a fifth embodiment of the building block of the present invention;
fig. 14 is a schematic structural view of a sixth embodiment of the building block of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1-base, 2-building blocks, 3-sleepers, 4-F type guide rails, 5-power supply rails, 6-post-cast concrete, 7-rail bearing platforms, 8-connecting steel bars, 801-building block internal steel bars and 802-base internal steel bars.
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.
Fig. 2 is a schematic structural view of a magnetic levitation track traffic block type rail-bearing beam according to a first embodiment of the present invention. As shown in fig. 2, the block type rail bearing beam comprises a cast-in-place base 1 and blocks 2, wherein the blocks 2 are arranged on the base 1 at intervals, the blocks 2 are perpendicular to the base 1 and are arranged along the line direction, the bottoms of the blocks are embedded in the base 1, and the tops of the blocks are exposed.
Fig. 3 is the first embodiment of the present invention, a schematic diagram of a block-type rail bearing beam and a rail connection, a rail structure installed on the top of the block, and a power supply rail 5 installed on both sides of the block, wherein the rail structure includes a sleeper 3 installed on the top of the block and a F-shaped guide rail 4 installed on both sides of the sleeper. Each building block corresponds to a sleeper, namely corresponds to a left positioning and supporting point and a right positioning and supporting point.
The building blocks 2 are the minimum supporting units, the building blocks 2 are sequentially arranged on the base 1 at intervals along the line direction, and compared with a traditional rail bearing beam of a continuous beam body, the rail bearing beam formed by dividing the whole building blocks 2 into parts provides stable support for a track structure and a power supply rail, reduces the volume of the rail bearing beam, saves resources, and is smaller in volume and more convenient to install at the same time; wherein, the setting position and the direction of the building block 2 are matched with the position of a connecting component of the track structure, and the structure of the building block 2 which is broken into parts is used as a positioning and bearing structure. After the reinforcement cage of base 1 ligature was accomplished, 2 bottoms of building block were placed in the base reinforcement cage to set up the position of building block 2 through a plurality of intervals of adjustment and realize matcing with track mounted position high accuracy, after 2 location of building block had been good, pour base 1, realize building block and base fixed connection. Need not to set up the structure measure of ensureing track structure installation accuracy again between rail bearing roof beam and the track structure like this, if be used in the magnetism of low-speed in well, the utility model discloses a rail bearing roof beam structure need not to set up rail bearing platform 7 structures again, has further reduced the complexity of track structure installation, has reduced cast-in-place rail bearing platform process one, has saved resource and time limit for a project.
Fig. 4 is a schematic structural view of a magnetic levitation track traffic block type rail-supporting beam according to a second embodiment of the present invention. Fig. 5 is a schematic structural diagram of a base according to a second embodiment of the present invention. As shown in fig. 4 and 5, the block type rail bearing beam of the present invention comprises a base 1, blocks 2 and post-cast concrete 6, wherein a groove is arranged on the top of the base 1, the blocks 2 are arranged in the groove at intervals, the width of the groove is greater than the width of the block 2, the depth of the groove is greater than the embedding depth of the block, so as to facilitate the adjustment of the position of the block 2, thereby realizing the high precision positioning of the block 2; building block 2 realizes prepositioning in the U groove, and building block 2 has pour post-cast concrete 6 after having fixed a position, and post-cast concrete 6 fills the space between building block and the recess just, and the top of post-cast concrete 6 and the top parallel and level of base 1 realize building block 2 and base 1's fixed connection through post-cast concrete 6. The utility model discloses a support rail girder construction building block and base can all customize in advance, and the later stage is through the location of building block and the location that 6 post-poured concrete realized building block 2 and base, and the installation is swiftly convenient, reduces the support rail roof beam installation degree of difficulty, improves the flexibility of installation
fig. 6 is the second embodiment of the present invention is a schematic diagram of a block-type rail bearing beam and a rail connection, a rail structure is installed on the top of the block, and power supply rails are installed on both sides of the block, wherein the rail structure comprises a rail bearing platform 7 installed on the top of the block, a sleeper 3 arranged on the rail bearing platform 7, and F-shaped guide rails 4 installed on both sides of the sleeper. Each block corresponds to two rail bearing platforms and one sleeper, namely each block corresponds to two positioning and supporting points.
Fig. 7 is a schematic structural view of a magnetic levitation track traffic block type rail-supporting beam according to a third embodiment of the present invention. As shown in FIG. 7, the utility model discloses a support rail beam structure includes base 1 and building block 2, and on building block 2 interval located base 1, building block 2 perpendicular to base 1 and the direction setting of line, its bottom was buried in base 1, and the top exposes. The building block 2 comprises two symmetrically arranged building block units which are separately arranged, the building block 2 in the first embodiment and the second embodiment is further decomposed, one building block unit corresponds to one positioning and supporting point, and the positioning precision is further increased by positioning a single building block unit.
Fig. 8 is a schematic structural view of the connection between the building block and the base in the embodiment of the present invention. As shown in fig. 8, all be equipped with connecting reinforcement 8 in building block 2 and the base 2, connecting reinforcement 8 includes reinforcing bar 801 in the building block and reinforcing bar 802 in the base, and reinforcing bar 801 sets up along the direction of height of building block 2 in the building block, and the bilateral symmetry of building block 2 is equipped with reinforcing bar 801 in the building block, through reinforcing bar 801 in the building block increase building block 2's rigidity, makes it can better realize the support to track and its upper portion load, guarantees overall structure's intensity.
Further, the in-block reinforcing bars 801 are arranged according to the shape of the block, and the in-block reinforcing bars 801 include portions arranged in the height direction of the block 2 and portions arranged horizontally in contact with the rail, the horizontal portions increase the rigidity of the portions of the block in contact with the rail, and the portions arranged in the height direction increase the rigidity of the block in the longitudinal direction.
preferably, a plurality of reinforcing steel bars arranged in the horizontal direction are arranged on the part, arranged in the height direction, of the building block 2 in the height direction, and the reinforcing steel bars are arranged at intervals and used for further increasing the rigidity of the building block and ensuring the strength of the whole structure.
The reinforcing bar 802 transversely passes through the recess in the base and both ends are arranged in the both ends of base 1 respectively, and reinforcing bar 802 is netted in the base, and the bottom of reinforcing bar 801 inlays between the network structure of reinforcing bar 802 in the base in the building block, and it is fixed through pouring base 1 concrete or post-cast concrete 6 realization at last.
through the building block 2 that falls into a plurality of interval setting with the support rail roof beam, realize the high accuracy location through the position of adjustment building block 2, pour concrete 6 through cast-in-place base 1 or back and realize the fixed connection of base 1 with building block 2, the utility model discloses a degree of difficulty of support rail roof beam construction reduces, and realizes the high accuracy location through the location of building block 2, and the process specifically does: the building blocks are processed and qualified in quality inspection, then the building blocks are transported to a construction site, templates are installed on supporting structures such as roadbeds, tunnels or bridges, base steel reinforcement cages are bound, building block installation spaces are reserved, then the building blocks are hoisted into the steel reinforcement cages, measuring instruments are used for positioning the building blocks, steel bent frames are used for fixing the building blocks, the position of each building block is matched with the position of a connecting component of a track structure, and then concrete is poured into the steel reinforcement cages to pour the building blocks and the bases into a whole.
in addition, through reinforcing bar 801 in the building block and reinforcing bar 802 in the base realize the fixed of base 1 with building block 2 to increased the rigidity of building block 2 and base, strengthened overall structure's intensity, building block and base rigid connection, track structure and train load pass through the building block and transmit for the base during operation, transmit for bearing structure by the base again, thereby ensure track structure's smoothness, satisfy the maglev train safe operation demand.
Fig. 9 is a schematic structural view of a first embodiment of the middle block of the present invention. Fig. 10 is a schematic structural view of a second embodiment of the building block of the present invention. Fig. 11 is a schematic structural view of a third embodiment of the building block of the present invention. As shown in fig. 9, 10 and 11, the blocks 2 in the first, second and third embodiments are single blocks, the blocks 2 are symmetrically arranged about the central axis of the track, the blocks 2 support both sides of the track, the positioning function of one block 2 is equivalent to the function of two rail supporting platforms 7 symmetrically arranged on both sides of the track, and the top of the block 2 is horizontal for placing the track structure and providing stable support for the track. As shown in fig. 9, a top plate is arranged at the top of the building block 2, support columns are arranged on two sides of the bottom of the building block, the bottoms of the support columns are embedded in the base 1, and the middle of the building block 2 is hollow, so that the volume and the material consumption of the building block are reduced, and resources are saved; as shown in fig. 10, the building block 2 is an i-shaped structure, the middle part of the building block is narrower than the upper end and the lower end, the upper end and the lower end are respectively connected with the rail and the base 1, so that the stability of the support is ensured, and the middle part is narrower so as to reduce the whole volume of the building block 2; as shown in fig. 11, the building block 1 is of a character-shaped structure, the top of the building block 2 is provided with a top plate, and the structure below the top plate is wider for better supporting the track structure.
Preferably, the bottom of the stand of both sides of building block all is equipped with four tenons, and the setting of tenon is used for avoiding the position of base 1 interior reinforcing bar, avoids the position conflict of building block bottom and base interior reinforcing bar.
fig. 12 is a schematic structural view of a fourth embodiment of the middle block of the present invention. Fig. 13 is a schematic structural view of a fifth embodiment of the middle block of the present invention. Fig. 14 is a schematic structural view of a sixth embodiment of the building block of the present invention. The blocks 2 in the third, fourth and fifth embodiments are all double blocks, that is, the block 2 includes two block units symmetrically arranged, and the two block units are respectively arranged on two sides of the track, and the positioning function of the two block units is equivalent to the function of one rail bearing platform 7.
A construction method of a magnetic suspension rail transit block type rail bearing beam comprises the following specific steps:
S1, processing the prefabricated part, and transporting the prefabricated part to a construction site after the prefabricated part is qualified;
s2, mounting prefabricated bases or cast-in-place base templates on the supporting structures such as the constructed tunnels, roadbeds and bridges, and binding reinforcement cages in the grooves of the prefabricated bases or the cast-in-place base reinforcement cages;
s3, installing building blocks into the reinforcement cage according to the positions matched with the track structure connecting members;
S4, positioning the building block mounting position by using a measuring instrument, and fixing the building block by using a steel bent frame;
S5, pouring concrete in the reinforcement cage to integrally pour the building block and the base;
S6 mounting a rail structure on the block.
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 (8)
1. A magnetic suspension rail transit block type rail bearing beam is characterized by comprising a base (1) and a plurality of blocks (2) which are arranged at intervals and used for supporting a rail, wherein a power supply rail (5) and a magnetic suspension rail are arranged on each block (2), and the plurality of blocks (2) support and position the rail;
The building blocks (2) are of prefabricated structures and are sequentially arranged on the base (1) along the direction of a line, the building blocks (2) are the smallest support units of the track, and the length of the building blocks along the direction of the track is matched with the installation requirements of connecting members of a group of magnetic suspension tracks so as to support and position the magnetic suspension tracks.
2. The block-type track-bearing beam for magnetic suspension rail transit according to claim 1, characterized in that the top of the base (1) is provided with a groove, and the bottoms of the blocks (2) are arranged in the groove and are connected with the base (1) in an assembling manner.
3. the magnetic suspension rail transit block type rail-bearing beam as claimed in claim 2, wherein the width of the groove is larger than the width of the block (2), the depth of the groove is larger than the embedding depth of the block (2), and post-cast concrete (6) is filled between the block (2) and the groove.
4. A magnetic levitation track traffic block type track-bearing beam as claimed in claim 1, wherein the blocks (2) and the base (1) are provided with connecting steel bars (8).
5. A magnetic levitation track traffic block-type rail-bearing beam as claimed in claim 4, wherein the connecting rebars (8) comprise intra-block rebars (801) arranged along the height direction of the blocks (2) and intra-base rebars (802) placed on the base (1).
6. A magnetic levitation track traffic blocky track beam as claimed in claim 5, wherein the reinforcement bars (802) in the base are in a net shape, and the bottom of the reinforcement bars (801) in the blocky block are embedded in the net structure of the reinforcement bars (802) in the base.
7. A magnetic levitation track traffic block-type rail-bearing beam as claimed in claim 1, wherein the block (2) is of unitary construction or of construction comprising two block units arranged symmetrically spaced apart.
8. A magnetic levitation track traffic block type track-bearing beam as claimed in claim 1, wherein the bottom of the block (2) is provided with tenon or keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175628.3U CN209798451U (en) | 2019-01-31 | 2019-01-31 | Magnetic suspension rail transit building block type rail bearing beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175628.3U CN209798451U (en) | 2019-01-31 | 2019-01-31 | Magnetic suspension rail transit building block type rail bearing beam |
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| CN209798451U true CN209798451U (en) | 2019-12-17 |
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| CN201920175628.3U Active CN209798451U (en) | 2019-01-31 | 2019-01-31 | Magnetic suspension rail transit building block type rail bearing beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706802A (en) * | 2019-01-31 | 2019-05-03 | 中铁磁浮交通投资建设有限公司 | A block-type rail-bearing beam for maglev rail transit and its construction method |
-
2019
- 2019-01-31 CN CN201920175628.3U patent/CN209798451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706802A (en) * | 2019-01-31 | 2019-05-03 | 中铁磁浮交通投资建设有限公司 | A block-type rail-bearing beam for maglev rail transit and its construction method |
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