CN111218865A - Adjustable split type medium-low speed magnetic suspension fastener system - Google Patents
Adjustable split type medium-low speed magnetic suspension fastener system Download PDFInfo
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- CN111218865A CN111218865A CN202010158415.7A CN202010158415A CN111218865A CN 111218865 A CN111218865 A CN 111218865A CN 202010158415 A CN202010158415 A CN 202010158415A CN 111218865 A CN111218865 A CN 111218865A
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- 239000000725 suspension Substances 0.000 title claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 186
- 229910052742 iron Inorganic materials 0.000 claims abstract description 93
- 238000004873 anchoring Methods 0.000 claims abstract description 32
- 241001669679 Eleotris Species 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 10
- 238000005339 levitation Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/62—Rail fastenings incorporating resilient supports
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses an adjustable split type medium-low speed magnetic suspension fastener system, which comprises an anchoring structure and a buckling structure, wherein one end of the anchoring structure is used for being in anchoring connection with a rail bearing platform, the other end of the anchoring structure is fixedly provided with an upper-layer iron base plate, the buckling structure is used for connecting a sleeper and the upper-layer iron base plate, the upper-layer iron base plate is provided with a through groove along the length direction of the upper-layer iron base plate, the anchoring structure is arranged in the through groove and can move along the through groove, the buckling structure comprises a gauge block arranged on the upper-layer iron base plate, a boss is arranged on the gauge block and is used for being matched with a notch on the sleeper, the buckling structure also comprises an elastic structure, and a height-adjustable base plate is arranged in the anchoring structure and/or; the using method comprises the following steps: vertical adjustment of the track panel is realized by adjusting the height-adjusting base plate; the longitudinal adjustment of the track panel is realized by adjusting the mounting position of the anchoring structure on the through groove; the track panel is transversely adjusted by replacing the track gauge blocks at different boss positions, and the longitudinal adjustment distance of the track panel is large.
Description
Technical Field
The invention relates to a medium-low speed magnetic suspension buckle, in particular to an adjustable split type medium-low speed magnetic suspension buckle system.
Background
The medium-low speed maglev usually refers to a maglev transportation system with the train speed per hour less than 160km/h, and a medium-low speed maglev fastener system is an important component of a track structure, fixes a track panel on a track bearing platform, and transmits the load of the train to a lower foundation through the track panel and a fastener. Meanwhile, the fastener system also has the functions of longitudinal, transverse and vertical three-dimensional adjustment so as to keep good geometric shape and position of the track and ensure the stability and reliability of the magnetic suspension track.
At present, medium-low speed magnetic suspension fasteners at home and abroad can be divided into two types according to the difference of structural forms and characteristics: elastic non-separable fasteners and elastic separable fasteners. The non-split type is that the fastener of the buckling and pressing piece is directly connected into a concrete rail bearing platform or a concrete rail beam, only one layer of sleeper lower cushion plate is arranged between the track panel and the rail bearing platform or the rail beam, and a through-length connecting base plate is not arranged; the split fastener has a base plate, the track panel is fastened on the base plate by a fastening member, and the base plate is fastened on the track bearing platform by bolts and the like.
No matter what kind of form medium and low speed magnetic levitation fastener, most all are connected with the track panel and the track supporting structure with bolted connection's form, and the adjustment ability to vertical and horizontal is limited. Especially for a long-span bridge section, a fastener system with stronger adaptability is needed due to the larger longitudinal expansion deformation of the bridge caused by temperature change.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the adjustable split type medium-low speed magnetic suspension fastener system is provided, longitudinal and transverse adjustment can be realized, the longitudinal adjustment distance is large, and the requirement on the expansion deformation of a long-span bridge is met.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an adjustable split type middle-low speed magnetic levitation fastener system, includes anchor structure and withholds the structure, the one end of anchor structure is used for connecting with the bearing rail platform anchor, the other end of anchor structure is fixed with upper iron backing plate, withhold the structure be used for connecting the sleeper with upper iron backing plate, upper iron backing plate is equipped with logical groove along its length direction logical inslot install logical inslot anchor structure, anchor structure can along lead to the groove and remove, withhold the structure including installing gauge block on the upper iron backing plate, be equipped with the boss on the gauge block, the boss be used for with breach looks adaptation on the sleeper, withhold the structure still includes elastic construction, just be equipped with the heightening backing plate in anchor structure and/or withhold the structure.
The magnetic suspension fastener system can realize firm connection of the sleeper and the rail bearing platform, and realizes vertical, longitudinal and transverse adjustment through the through groove of the heightening base plate and the upper iron base plate and the boss of the gauge block, and the longitudinal adjustment distance is large, so that the requirement of the expansion and contraction variable of a large-span bridge is met. Meanwhile, the magnetic suspension fastener system has certain elasticity due to the elastic structure, so that the vibration damping performance of the magnetic suspension fastener system can be improved.
As a preferable scheme of the present invention, the anchoring structure includes an anchoring bolt, a positioning nut, a lower iron base plate and a first height-adjusting base plate, the anchoring bolt is used for being inversely poured into the rail bearing platform and supported by the positioning nut, the lower iron base plate is used for being fixed on the upper surface of the rail bearing platform, the first height-adjusting base plate is arranged between the lower iron base plate and the upper iron base plate, and the anchoring bolt sequentially penetrates through the lower iron base plate, the first height-adjusting base plate and the upper iron base plate and is fastened by a fastening nut. The upper iron base plate is fastened by arranging the anchor bolt and the positioning nut, the structure is simple, and the replacement and the maintenance of the fastener are convenient.
As a preferable scheme of the invention, a buckling plate, a flat washer and a spring washer are arranged between the fastening nut and the upper iron base plate, the buckling plate is of a T-shaped structure, the buckling plate is matched with the through groove, and the buckling plate, the flat washer and the spring washer are sequentially stacked. Has enough strength, stability and buckling pressure.
As a preferable scheme of the present invention, the first heightening base plate is provided with a first open slot and a second open slot, the first open slot is arranged along the longitudinal direction of the first heightening base plate, and the second open slot is arranged in an arc shape with the longitudinal direction of the first heightening base plate as a center. During the installation, raise upper iron backing plate, first heighten backing plate accessible rotatory mode side-mounting targets in place, is convenient for install and change more.
As a preferable scheme of the invention, the buckling structure further comprises an elastic strip, a locknut and a T-shaped bolt, wherein a plurality of connecting blocks are arranged on the upper iron base plate, a clamping groove is formed between the two connecting blocks, the T-shaped bolt is inverted and embedded into the clamping groove, the upper iron base plate is connected with the gauge block through the elastic strip, and the T-shaped bolt penetrates through the elastic strip and fixes the elastic strip through the locknut. The upper iron tie plate and the sleeper are fastened by arranging the T-shaped bolt and the locknut, the structure is simple, and the replacement and the maintenance of the fastener are convenient.
As a preferable scheme of the invention, an elastic backing plate is further arranged between the upper iron backing plate and the gauge block. The elastic structure comprises the elastic base plate and the elastic strip, and is used for increasing the elasticity and the vibration damping performance of the magnetic suspension fastener system.
As a preferable scheme of the invention, a second height-adjusting base plate is further arranged between the elastic base plate and the upper-layer iron base plate.
The invention also discloses an installation method of the adjustable split type medium-low speed magnetic suspension fastener system, and the installation method comprises the following steps:
the method comprises the following steps: placing one end of the anchoring structure into a template of a rail bearing platform, and installing the upper iron base plate at the other end of the anchoring structure;
step two: installing a buckling structure on the upper-layer iron base plate, connecting the upper-layer iron base plate and the sleeper by using the buckling structure, and arranging a height-adjusting base plate in the anchoring structure and/or the buckling structure;
step three: adjusting the pre-buried depth of the anchoring structure, and pouring rail bearing platform concrete after the rail panel is accurately in place;
step four: and after the concrete strength of the rail bearing platform reaches the design requirement, the upper iron base plate is fixedly connected with the anchoring structure, and the buckling structure is fixedly connected with the upper iron base plate.
The installation method provided by the invention is simple to operate, has low construction requirement, and is convenient for realizing the installation and adjustment of the magnetic suspension fastener system.
As a preferred embodiment of the present invention, the first step includes: the anchoring bolt is provided with the positioning nut, the lower iron base plate, the first heightening base plate and the upper iron base plate are sequentially stacked, and then the fastening plate, the flat washer, the spring washer and the fastening nut are used for mounting the components together;
the second step comprises the following steps: placing the elastic base plate on the upper-layer iron base plate, and connecting the upper-layer iron base plate and the sleeper together through the gauge block, the elastic strip, the T-shaped bolt and the locknut;
the third step comprises: adjusting the positioning nuts to enable the pre-buried depth of the anchoring bolts to reach a design value, and pouring rail bearing platform concrete after the rail panel is accurately in place;
the fourth step comprises: and after the concrete strength of the rail bearing platform reaches the design requirement, screwing the fastening nut and the locknut according to the design torque value.
The invention also discloses an adjusting method of the adjustable split type medium-low speed magnetic suspension fastener system, which is used for adjusting and comprises the following steps:
the vertical adjustment of the track panel is realized by adjusting the heightening base plates (such as a first heightening base plate and a second heightening base plate);
the longitudinal adjustment of the track panel is realized by adjusting the mounting position of the anchoring structure on the through groove (the anchoring bolt slides to different positions along the through groove of the upper iron base plate);
and the track gauge blocks at different boss positions are replaced to realize the transverse adjustment of the track panel.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the magnetic suspension fastener system can realize firm connection of the sleeper and the rail bearing platform, and realizes vertical, longitudinal and transverse adjustment through the through groove of the heightening base plate and the upper iron base plate and the boss of the gauge block, and the longitudinal adjustment distance is large, so that the requirement of the expansion and contraction variable of a large-span bridge is met. Meanwhile, the magnetic suspension fastener system has certain elasticity due to the elastic structure, so that the vibration damping performance of the magnetic suspension fastener system can be improved. The magnetic suspension fastener system is simple in structure, has enough strength, fastening pressure and stability, and is convenient to replace and maintain.
Drawings
Fig. 1 is a schematic structural view of an adjustable split type medium-low speed magnetic levitation fastener system according to the present invention.
Fig. 2 is a schematic view of the installation of an adjustable split type medium-low speed magnetic levitation fastener system according to the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a schematic view of the connection of the gage blocks, spring strips and ties in accordance with the present invention.
Fig. 6 is a schematic structural view of a sleeper according to the present invention.
Fig. 7 is a schematic view of the gauge block structure according to the present invention.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a top view of fig. 7.
Fig. 10 is a schematic structural view of the upper iron shim plate according to the present invention.
Fig. 11 is a front view of fig. 10.
Fig. 12 is a top view of fig. 10.
Fig. 13 is a schematic structural view of a T-bolt according to the present invention.
FIG. 14 is a schematic view of the T-bolt and the upper iron backing plate according to the present invention.
Fig. 15 is a schematic structural view of the elastic pad according to the present invention.
Fig. 16 is a top view of fig. 15.
Fig. 17 is a side view of fig. 15.
Fig. 18 is a schematic view of the connection of the crimping plate, the anchor bolt and the rail bearing platform according to the invention.
Fig. 19 is a schematic structural view of the crimping plate according to the present invention.
Fig. 20 is a top view of fig. 19.
Fig. 21 is a front view of fig. 19.
Fig. 22 is a schematic structural view of a lower iron shim plate according to the present invention.
Fig. 23 is a schematic structural view of a first elevated plate according to the present invention.
Icon: 1-anchor bolt, 2-positioning nut, 3-lower iron backing plate, 31-first through hole, 4-first heightening backing plate, 41-first open slot, 42-second open slot, 5-upper iron backing plate, 51-neck, 52-through slot, 53-guide strip, 54-connecting block, 6-buckling plate, 61-second through hole, 7-flat washer, 8-spring washer, 9-fastening nut, 10-elastic strip, 11-anti-loose nut, 12-gauge block, 121-boss, 13-T bolt, 14-elastic backing plate, 141-convex strip, 15-second heightening backing plate,
21-sleeper, 211-gap, 22-rail support.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
An adjustable split mid-low speed magnetic levitation fastener system, as shown in fig. 1-4, comprising: the device comprises an anchoring bolt 1, a positioning nut 2, a lower-layer iron base plate 3, a first heightening base plate 4, an upper-layer iron base plate 5, a buckling plate 6, a flat washer 7, a spring washer 8, a fastening nut 9, an elastic strip 10, a locknut 11, a gauge block 12, a T-shaped bolt 13, an elastic base plate 14, a second heightening base plate 15 and the like. Wherein:
as shown in fig. 18-22, a high-strength anchor bolt 1 is inversely poured into a concrete rail bearing platform 22, a positioning nut 2 is arranged on the anchor bolt 1, a lower iron backing plate 3, a first heightening backing plate 4 and an upper iron backing plate 5 are sequentially arranged on the upper surface of the rail bearing platform 22, a buckling and pressing plate 6 with a T-shaped structure is arranged on the upper iron backing plate 5, a flat washer 7 and a double-layer spring washer 8 are arranged above the buckling and pressing plate 6, and a second through hole 61 is arranged in the center of the buckling and pressing plate 6.
The magnetic suspension fastener system is supported by the positioning nut 2, and the anchor bolt 1 sequentially passes through the positioning nut 2, the lower iron base plate 3, the first heightening base plate 4, the upper iron base plate 5, the buckling plate 6, the flat washer 7 and the double-layer spring washer 8 and is fixed by the anchor nut 9.
As shown in fig. 23, the first heightening base plate 4 is provided with a first open slot 41 and a second open slot 42, the first open slot 41 is arranged along the longitudinal direction of the first heightening base plate 4, and the second open slot 42 is arranged in an arc shape with the longitudinal direction of the first heightening base plate 4 as the center. During installation, the upper iron backing plate 5 is lifted, and the first heightening backing plate 4 can be installed in place from the side face in a rotating mode.
As shown in fig. 10-12, the upper iron backing plate 5 is provided with a plurality of connecting blocks 54, a clamping groove 51 is formed between two connecting blocks 54, the T-shaped bolt 13 is inverted and embedded into the clamping groove 51, as shown in fig. 13-14, an elongated through groove 52 is formed in the upper iron backing plate 5 along the length direction (longitudinal direction of the rail row), two elongated guide strips 53 are respectively provided on two sides of the upper iron backing plate 5, the buckling and pressing plate 6 is installed in the through groove 52, the shape of the buckling and pressing plate 6 is matched with the through groove 52, and the buckling and pressing plate 6 can slide along the through groove 52. The longitudinal position of the track panel can be adjusted by adjusting the installation positions of the buckling plate 6 and the anchor bolt 1 in the through groove 52.
As shown in fig. 6, a notch 211 is provided on the tie 21, as shown in fig. 7 to 9, the gauge block 12 is of an L-shaped structure, and a boss 121 is provided on the gauge block 12, the boss 121 and the notch 211 are adapted, and the transverse position of the track panel can be adjusted by replacing different types of gauge blocks 12 at different boss positions.
As shown in fig. 15-17, an elastic pad 14 is further disposed between the sleeper 21 and the upper iron pad 5, and protruding strips 141 are disposed on both sides of the elastic pad 14, and the protruding strips 141 are adapted to the shape of the upper iron pad 5, so that the elastic pad 14 can be conveniently mounted on the upper iron pad 5. A second heightening backing plate 15 is also arranged between the elastic backing plate 14 and the upper iron backing plate 5. By adjusting the first height adjustment shim plate 4 and the second height adjustment shim plate 15, the vertical position of the track panel can be adjusted.
As shown in fig. 5, the gauge block 12 is installed between the upper iron tie plate 5 and the H-shaped steel sleeper 21, the gauge block 12 is connected with the upper iron tie plate 5 through the elastic strip 10, the tail part of the elastic strip 10 is placed on the upper iron tie plate 5, the buckling end of the elastic strip 10 is installed on the gauge block 12, the T-shaped bolt 13 penetrates through the elastic strip 10, and the elastic strip 10 is fixed through the locknut 11, so that firm connection between the upper iron tie plate 5 and the sleeper 21 is realized, and the fastening buckling of the sleeper 21 is realized.
The installation method of the adjustable split type medium-low speed magnetic suspension fastener system comprises the following steps:
(1) the anchoring bolt 1 with the positioning nut 2 is placed in a template of a concrete rail bearing platform 22, then the lower iron base plate 3, the first heightening base plate 4 and the upper iron base plate 5 are sequentially stacked, and then the components are installed together by the buckling plate 6, the flat washer 7, the double-layer spring washer 8 and the fastening nut 9.
(2) The elastic tie plate 14 and the second heightening tie plate 15 are placed at the right position of the upper iron tie plate 5, and the upper iron tie plate 5 and the H-shaped steel sleeper 21 are connected together through the gauge block 12, the magnetic suspension elastic strip 10, the T-shaped bolt 13 and the locknut 11.
(3) And adjusting the positioning nut 2 to enable the embedded depth of the anchoring bolt 1 to reach a design value.
(4) And pouring concrete of the rail bearing platform 22 after the rail panel is accurately adjusted in place.
(5) And after the concrete strength of the rail bearing platform 22 reaches the design requirement, tightening the fastening nut 9 and the locknut 11 according to the design torque value.
The adjusting method of the adjustable split type medium-low speed magnetic suspension fastener system comprises the following steps:
1) the vibration damping performance of the magnetic suspension fastener system is realized through elastic structures (elastic strips 10 and elastic backing plates 14), and the vibration damping performance of the magnetic suspension fastener system can be adjusted by replacing the elastic strips 10 and the elastic backing plates 14 with different types;
2) the magnetic suspension fastener system is arranged between the upper iron base plate 5 and the lower iron base plate 3 through a first heightening base plate 4; and a second heightening base plate 15 is arranged between the upper iron base plate 5 and the elastic base plate 14 to realize the vertical adjustment of the track panel.
3) The magnetic suspension fastener system realizes the longitudinal adjustment of the track panel in large distance (namely the length direction of the upper iron base plate 5) through the strip-shaped through groove 52 of the upper iron base plate 5.
4) The magnetic suspension fastener system realizes the transverse (namely the width direction of the upper iron base plate 5) adjustment of the track panel by arranging the round boss on the track gauge block 12 and replacing the track gauge block 12 with different types and different boss positions.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an adjustable split type low-and-medium speed magnetic levitation fastener system, its characterized in that includes anchor structure and withholds the structure, the one end of anchor structure is used for being connected with rail bearing platform (22) anchor, the other end of anchor structure is fixed with upper iron backing plate (5), withhold the structure and be used for connecting sleeper (21) with upper iron backing plate (5), upper iron backing plate (5) are equipped with logical groove (52) along its length direction, install in leading to groove (52) anchor structure, anchor structure can be along lead to groove (52) removal, withhold the structure including install gauge block (12) on upper iron backing plate (5), be equipped with boss (121) on gauge block (12), boss (121) be used for with breach (211) looks adaptation on sleeper (21), withhold the structure still include elastic construction, and a heightening base plate is arranged in the anchoring structure and/or the buckling structure.
2. The adjustable split type medium-low speed magnetic suspension fastener system according to claim 1, wherein the anchor structure comprises an anchor bolt (1), a positioning nut (2), a lower layer iron base plate (3) and a first heightening base plate (4), the anchor bolt (1) is used for being inversely poured in a rail bearing platform (22) and supported through the positioning nut (2), the lower layer iron base plate (3) is used for being fixed on the upper surface of the rail bearing platform (22), the first heightening base plate (4) is arranged between the lower layer iron base plate (3) and the upper layer iron base plate (5), and the anchor bolt (1) sequentially penetrates through the lower layer iron base plate (3), the first heightening base plate (4) and the upper layer iron base plate (5) and is fastened through a fastening nut (9).
3. The adjustable split type medium-low speed magnetic suspension fastener system according to claim 2, wherein a retaining plate (6), a flat washer (7) and a spring washer (8) are arranged between the fastening nut (9) and the upper iron backing plate (5), the retaining plate (6) is of a T-shaped structure, the retaining plate (6) is matched with the through groove (52), and the retaining plate (6), the flat washer (7) and the spring washer (8) are sequentially stacked.
4. The adjustable split type medium-low speed magnetic suspension fastener system according to claim 2, wherein the first heightening base plate (4) is provided with a first open slot (41) and a second open slot (42), the first open slot (41) is arranged along the longitudinal direction of the first heightening base plate (4), and the second open slot (42) is arranged in a circular arc shape with the longitudinal direction of the first heightening base plate (4) as a center.
5. The adjustable split type medium-low speed magnetic suspension fastener system according to claim 1, wherein the fastening structure further comprises an elastic strip (10), a locknut (11) and a T-shaped bolt (13), a plurality of connecting blocks (54) are arranged on the upper iron base plate (5), a clamping groove (51) is formed between the two connecting blocks (54), the T-shaped bolt (13) is inverted and embedded into the clamping groove (51), the upper iron base plate (5) and the gauge block (12) are connected through the elastic strip (10), and the T-shaped bolt (13) penetrates through the elastic strip (10) and fixes the elastic strip (10) through the locknut (11).
6. An adjustable split medium-low speed magnetic suspension fastener system according to claim 5, characterized in that an elastic backing plate (14) is further provided between the upper iron backing plate (5) and the gauge block (12).
7. An adjustable split medium-low speed magnetic suspension fastener system according to claim 6, characterized in that a second heightening base plate (15) is further provided between the elastic base plate (14) and the upper iron base plate (5).
8. A method for installing an adjustable split-type medium-low speed magnetic levitation fastener system, according to any one of claims 1-7, comprising the steps of:
the method comprises the following steps: one end of the anchoring structure is placed into a template of a rail bearing platform (22), and the upper iron base plate (5) is installed at the other end of the anchoring structure;
step two: installing a buckling structure on the upper iron base plate (5), connecting the upper iron base plate (5) and the sleeper (21) by using the buckling structure, and arranging a height-adjusting base plate in the anchoring structure and/or the buckling structure;
step three: adjusting the pre-buried depth of the anchoring structure, and pouring concrete of a rail bearing platform (22) after the rail panel is accurately in place;
step four: and after the concrete strength of the rail bearing platform (22) reaches the design requirement, the upper iron base plate (5) is fixedly connected with the anchoring structure, and the buckling structure is fixedly connected with the upper iron base plate (5).
9. The method of claim 8, wherein the first step comprises: the anchoring bolt (1) is brought to the positioning nut (2), the lower iron base plate (3), the first heightening base plate (4) and the upper iron base plate (5) are sequentially stacked, and then the parts are installed together through the buckling plate (6), the flat washer (7), the spring washer (8) and the fastening nut (9);
the second step comprises the following steps: placing the elastic base plate (14) on the upper iron base plate (5), and connecting the upper iron base plate (5) and the sleeper (21) together through the gauge block (12), the elastic strip (10), the T-shaped bolt (13) and the locknut (11);
the third step comprises: adjusting the positioning nut (2) to enable the embedded depth of the anchoring bolt (1) to reach a design value, and pouring concrete of a rail bearing platform (22) after the rail panel is accurately in place;
the fourth step comprises: and after the concrete strength of the rail bearing platform (22) reaches the design requirement, screwing the fastening nut (9) and the locknut (11) according to the design torque value.
10. An adjustment method for an adjustable split-type medium-low speed magnetic levitation fastener system, which is performed by using the adjustable split-type medium-low speed magnetic levitation fastener system as claimed in any one of claims 1 to 7, comprising the steps of:
the vertical adjustment of the track panel is realized by adjusting the height-adjusting base plate;
the longitudinal adjustment of the track panel is realized by adjusting the installation position of the anchoring structure on the through groove (51);
the transverse adjustment of the track panel is realized by replacing the gauge blocks (12) at different boss positions.
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| CN202010158415.7A CN111218865B (en) | 2020-03-09 | 2020-03-09 | Adjustable split type medium-low speed magnetic levitation fastener system |
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| CN202010158415.7A CN111218865B (en) | 2020-03-09 | 2020-03-09 | Adjustable split type medium-low speed magnetic levitation fastener system |
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| CN111218865B CN111218865B (en) | 2024-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113584957A (en) * | 2021-07-07 | 2021-11-02 | 高速铁路建造技术国家工程实验室 | Two-stage bolt-anchor assembling integral type track unit and bolt-anchor assembling integral type track |
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| CN209493770U (en) * | 2018-11-30 | 2019-10-15 | 上海工程技术大学 | A kind of double-layer vibration damping fastener system of the pre-buried pedestal of band |
| CN209703209U (en) * | 2019-01-31 | 2019-11-29 | 广州地铁设计研究院股份有限公司 | One kind can change sides roll adjustment fastener |
| CN110158373A (en) * | 2019-06-06 | 2019-08-23 | 武汉坤能轨道系统技术有限公司 | A kind of fastener system suitable for administrative region of a city railway |
| CN211734876U (en) * | 2020-03-09 | 2020-10-23 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic suspension fastener system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113584957A (en) * | 2021-07-07 | 2021-11-02 | 高速铁路建造技术国家工程实验室 | Two-stage bolt-anchor assembling integral type track unit and bolt-anchor assembling integral type track |
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