CN211872434U - Medium-low speed magnetic levitation non-separating track panel fastener - Google Patents
Medium-low speed magnetic levitation non-separating track panel fastener Download PDFInfo
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- CN211872434U CN211872434U CN201921986684.1U CN201921986684U CN211872434U CN 211872434 U CN211872434 U CN 211872434U CN 201921986684 U CN201921986684 U CN 201921986684U CN 211872434 U CN211872434 U CN 211872434U
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Abstract
A middle-low speed magnetic levitation non-separating track panel fastener is provided to effectively realize the three-dimensional adjustment of track panels, improve the overall assembly precision of the fastener, and be beneficial to reducing the construction cost of a middle-low speed magnetic levitation track. The fastener system comprises an embedded bolt which is formed by connecting a height adjusting nut, a vibration or distance adjusting component and an upper buckling nut component in series, wherein the height adjusting nut is positioned below the bottom surface of an iron base plate, and the vibration or distance adjusting component is positioned between the bottom top surface of an H-shaped steel sleeper rail and the bottom surface of the upper buckling nut component. The rail bottoms on the two sides of the rail waist of the H-shaped steel sleeper are correspondingly provided with large circular holes at the rail bottoms, the lower parts of the embedded bolts are embedded in the rail bearing platform and are connected with the rail bearing platform in an anchoring mode, the upper parts of the embedded bolts penetrate through the large circular holes at the rail bottoms to achieve longitudinal adjustment and transverse adjustment of the H-shaped steel sleeper, and the vertical adjustment of the H-shaped steel sleeper is achieved by changing the thickness of the height-adjusting backing plate.
Description
Technical Field
The utility model provides a well low-speed magnetism floats track elasticity inseparable fastener relates to magnetism and floats the track field, specifically is used for connecting well low-speed magnetism to float section of track and track supporting structure.
Background
The medium-low speed magnetic suspension fastener is an important component of a track structure, fixes a track panel on a track bearing platform, and transmits the load of a train to a lower foundation through the track panel and the 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. The fastener technology is a key technology of a medium-low speed magnetic levitation track structure.
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.
It does not part "formula structure for" elasticity to disclose a well low-speed magnetism floats section of track connection fastener in utility model patent application specification of publication No. CN 109024112A, establishes ties iron tie plate, adjusting shim plate, elastic shim plate, H shaped steel pillow through anchor bolt, sets up the elastic shim plate in H shaped steel pillow below, and the top sets up damping gasket and spring washer in step, guarantees that magnetism floats section of track has downwards, ascending damping performance, provides appropriate amount elasticity. But in order to ensure the stability of the vibration damping gasket, two cover plates are added above the H-shaped steel pillow to form a three-layer hamburger structure; meanwhile, in order to increase the anti-pulling force of the anchor bolt, the lower part of the bolt is flattened by a grinding tool, and the increase of the anti-pulling force is limited.
The utility model discloses a well low-speed magnetic levitation track elasticity split type fastener is disclosed in utility model patent application specification of publication number CN 102852056B, and it is fixed with the lower part basis with the iron tie plate through a set of anchor bolt, uses another group fixing bolt to fix H pillow and iron tie plate, has guaranteed fastener withholding force and withdrawal resistance. Vertical adjustment is carried out by replacing height-adjusting base plates with different thicknesses, the H-shaped steel sleeper is longitudinally adjusted by opening the elliptical hole, and the base plates are longitudinally and transversely adjusted by slotting. Meanwhile, the upper surface and the lower surface of the connecting steel plate of the fixing bolt pair are provided with elastic base plates, so that bidirectional vibration reduction of the track structure is realized. This fastener is elasticity split type fastener, can realize the three-dimensional adjustment to the section of track, but the fastener structure is complicated, and spare part is more, and the cost is high, and it is inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a well low-speed magnetism floats inseparable section of a track fastener is provided to effectively realize improving the whole equipment precision of fastener to the three-dimensional adjustment of section of a track, and be favorable to reducing the orbital construction cost of well low-speed magnetism.
The utility model provides a technical scheme as follows that above-mentioned technical problem took:
the utility model discloses a well low-speed magnetism floats inseparable section of track panel fastener fixes the installation of H shaped steel pillow on the bearing rail platform by the fastener system, sets up elastic backing plate and heightening backing plate under the H shaped steel pillow rail bottom surface, heightens and sets up iron tie plate, characterized by between backing plate bottom surface and the bearing rail platform top surface: the fastener system comprises an embedded bolt which is formed by connecting a height adjusting nut, a vibration or distance adjusting component and an upper buckling nut component in series, wherein the height adjusting nut is positioned below the bottom surface of an iron base plate, and the vibration or distance adjusting component is positioned between the top surface of the bottom of the H-shaped steel sleeper and the bottom surface of the upper buckling nut component; the H-shaped steel sleeper rail web is characterized in that rail bottoms on two sides of the rail waist of the H-shaped steel sleeper are correspondingly provided with large round holes at rail bottoms, the lower parts of the embedded bolts are embedded in the rail bearing platform and are connected with the rail bearing platform in an anchoring mode, the upper parts of the embedded bolts penetrate through the large round holes at the rail bottoms to achieve longitudinal adjustment and transverse adjustment of the H-shaped steel sleeper, and the vertical adjustment of the H-shaped steel sleeper is achieved by changing the thickness of the height-.
The beneficial effects of the utility model are that:
1. the large round holes are formed in the rail bottoms on the two sides of the rail waist of the H-shaped steel sleeper, so that the longitudinal adjustment and the transverse adjustment of the rail panel are realized, and the vertical adjustment of the H-shaped steel sleeper is realized by changing the thickness of the height-adjusting backing plate, so that the three-dimensional adjustment of the rail panel is realized, and the integral assembly precision of the fastener is improved;
2. a vibration damping or distance adjusting assembly is arranged between the top surface of the bottom of the H-shaped steel sleeper rail and the bottom surface of the upper buckling nut assembly, so that vertical vibration damping is realized, and the following performance of the fastener and the track panel is kept;
3. the embedded bolts are inverted T-shaped anchor bolts, spiral steel bars connected with longitudinal and transverse steel bars in the rail bearing platform are arranged on the lower portions of the inverted T-shaped anchor bolts, or the flat and bent anchor bolts are adopted on the lower portions of the inverted T-shaped anchor bolts, so that the pulling resistance of the embedded bolts is further enhanced, the height of the rail bearing platform can be greatly reduced, the consumption of concrete and the section of a line can be further reduced, and the construction cost of the medium-low speed magnetic levitation track is reduced.
Description of the drawings:
the specification includes the following nine figures:
fig. 1 is a schematic structural view of an embodiment 1 of a medium-low speed magnetic levitation non-separating track panel fastener of the present invention;
fig. 2 is a schematic perspective view of a damping washer in a medium-low speed magnetic levitation non-separating track panel fastener of the present invention;
fig. 3 is a schematic perspective view of the T-shaped integral distance-adjusting block in the middle-low speed magnetic levitation non-separating track panel fastener of the present invention.
Fig. 4 is a schematic perspective view of a T-shaped integral distance adjusting block in a medium-low speed magnetic levitation non-separating track panel fastener of the present invention;
fig. 5 is a three-dimensional schematic view of the inverted T-shaped anchor bolt and the spiral steel bar in the elastic inseparable fastener of the medium-low speed magnetic levitation track of the utility model.
Fig. 6 is a schematic structural view of an embodiment 2 of a medium-low speed magnetic levitation non-separating track panel fastener of the present invention;
fig. 7 is a schematic perspective view of a middle cover plate of a medium-low speed magnetic levitation non-separating track panel fastener of the present invention.
Fig. 8 is a schematic perspective view of a wave-shaped gasket in a medium-low speed magnetic levitation non-separating track panel fastener of the present invention.
Fig. 9 is a schematic perspective view of the anchor bolt in the medium-low speed magnetic levitation non-separating type track panel fastener of the present invention.
The component names and corresponding labels are shown in the figure: the track supporting platform comprises a track supporting platform 1, an iron base plate 2, a heightening base plate 3, an elastic base plate 4, a vibration damping gasket 5, a T-shaped integral distance adjusting block 6, a hexagon nut 7, a locknut 8, a cap nut 9, an H-shaped steel sleeper 10, a large round hole 10a at the bottom of the track, an inverted T-shaped anchor bolt 11, an anchor bolt 11a, a heightening nut 12, a spiral steel bar 13, a cover plate 14 and a wave-shaped gasket 15.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1 and 6, the utility model discloses a well low-speed magnetism floats inseparable section of track fastener is fixed H shaped steel pillow 10 installation on bearing rail platform 1 by the fastener system, sets up elastic backing plate 4 and heightening backing plate 3 under the H shaped steel pillow 10 rail bottom surface, sets up iron tie plate 2 between heightening backing plate 3 bottom surface and the bearing rail platform 1 top surface. The fastener system comprises embedded bolts which are used for connecting the heightening nut 12, the vibration or distance adjusting component and the upper buckling nut component in series, wherein the heightening nut 12 is positioned below the bottom surface of the iron base plate 2, and the vibration or distance adjusting component is positioned between the top surface of the rail bottom of the H-shaped steel sleeper 10 and the bottom surface of the upper buckling nut component. The big round hole 10a in rail foot is seted up to correspondence on the rail foot of H shaped steel sleeper 10 rail web both sides, the lower part of buried bolt in the support rail platform 1 underground and form the anchor with it and be connected, upper portion then passes the vertical adjustment and the horizontal adjustment of the big round hole 10a in rail foot realization H shaped steel sleeper 10, realize H shaped steel sleeper 10's vertical adjustment through the thickness that changes heightening backing plate 3, thereby realize the three-dimensional adjustment of section of track, realize vertical damping and keep the followability of fastener and section of track through setting up damping or roll adjustment subassembly, improve the whole equipment precision of fastener.
Referring to embodiment 1 shown in fig. 1 to 5, the embedded bolt is an inverted T-shaped anchor bolt 11, the lower portion of the embedded bolt is fixedly connected with a spiral steel bar 13, and the spiral steel bar 13 is connected with a longitudinal steel bar and a transverse steel bar arranged in the rail bearing platform 1, so that the uplift resistance of the embedded bolt is further enhanced, the height of the rail bearing platform can be greatly reduced, the consumption of concrete and the section of a line can be further reduced, and the construction cost of the medium-low speed magnetic levitation track can be reduced. The vibration damping or distance adjusting assembly is composed of a vibration damping gasket 5 and a T-shaped integral distance adjusting block 6, the T-shaped integral distance adjusting block 6 is provided with a long round hole for the upper part of the embedded bolt to penetrate through, and a sleeve structure at the lower part of the T-shaped integral distance adjusting block is located in a big round hole 10a at the bottom of the rail. The damping gasket 5 is sleeved on the sleeve structure and is positioned between a convex shoulder structure at the top of the T-shaped integral distance adjusting block 6 and the top surface of the rail bottom of the H-shaped steel sleeper 10. The damping pad 5 is made of rubber or polyester polymer material.
Referring to embodiment 2 shown in fig. 6 to 9, the embedded bolts are anchor bolts 11a, and in order to further increase the pullout resistance and reduce the height of the rail bearing platform, the lower portions of the anchor bolts 11a are flat and bent. The vibration reduction or distance adjustment assembly is composed of a cover plate 14 and a corrugated gasket 15, the cover plate 14 is arranged on the top surface of the rail bottom of the H-shaped steel sleeper 10 in a sleeved mode, the large circular hole 10a of the rail bottom is covered, and the corrugated gasket 15 is located on the cover plate 14. The cover plate 14 and the corrugated gasket 15 are made of a metal material.
Referring to fig. 1 and 6, a cap nut 9 is mounted on the top end of the embedded bolt to close the thread section of the embedded bolt.
The above is only used for illustrating the present invention, and the present invention is not limited to the specific structure and application range shown and described, so all the corresponding modifications and equivalents that may be utilized belong to the claimed patent scope of the present invention.
Claims (7)
1. The utility model provides a well low-speed magnetism floats not split type section of track fastener, fixes H shaped steel pillow (10) installation on bearing rail platform (1) by the fastener system, sets up elastic backing plate (4) and heightening backing plate (3) under H shaped steel pillow (10) rail bottom surface, heightens and sets up iron tie plate (2), characterized by between backing plate (3) bottom surface and bearing rail platform (1) top surface: the fastener system comprises embedded bolts which are formed by connecting a height adjusting nut (12), a vibration or distance adjusting component and an upper buckling nut component in series, wherein the height adjusting nut (12) is positioned below the bottom surface of the iron base plate (2), and the vibration or distance adjusting component is positioned between the top surface of the rail bottom of the H-shaped steel sleeper (10) and the bottom surface of the upper buckling nut component; the large round hole (10a) of the rail bottom is correspondingly formed in the rail bottoms on two sides of the rail web of the H-shaped steel sleeper (10), the lower portion of an embedded bolt is embedded in the rail bearing platform (1) and connected with the rail bearing platform in an anchoring mode, the upper portion of the embedded bolt penetrates through the large round hole (10a) of the rail bottom to achieve longitudinal adjustment and transverse adjustment of the H-shaped steel sleeper (10), and vertical adjustment of the H-shaped steel sleeper (10) is achieved through changing the thickness of the heightening base plate (3).
2. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 1, wherein: the embedded bolt is an inverted T-shaped anchoring bolt (11), the lower part of the embedded bolt is fixedly connected with a spiral steel bar (13), and the spiral steel bar (13) is connected with a longitudinal steel bar and a transverse steel bar which are arranged in the rail bearing platform (1).
3. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 1, wherein: the embedded bolt is an anchor bolt (11a), and the lower part of the anchor bolt (11a) is flat and bent.
4. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 1, wherein: the damping or distance adjusting assembly is composed of a damping gasket (5) and a T-shaped integral distance adjusting block (6), the T-shaped integral distance adjusting block (6) is provided with a long round hole for the upper part of an embedded bolt to pass through, and a sleeve structure at the lower part of the T-shaped integral distance adjusting block is positioned in a large round hole (10a) at the bottom of the rail; the damping gasket (5) is sleeved on the sleeve structure and is positioned between a convex shoulder structure at the top of the T-shaped integral distance adjusting block (6) and the top surface of the rail bottom of the H-shaped steel sleeper (10).
5. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 1, wherein: the vibration reduction or distance adjustment assembly is composed of a cover plate (14) and a waveform gasket (15), the cover plate (14) is supported on the top surface of the rail bottom of the H-shaped steel sleeper (10) and covers a large circular hole (10a) of the rail bottom, and the waveform gasket (15) is located on the cover plate (14).
6. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 1, wherein: the upper buckling nut assembly comprises a hexagonal nut (7) and a locknut (8), the hexagonal nut (7) acts on the vibration reduction or the distance adjusting assembly to provide buckling force, and the locknut (8) acts on the hexagonal nut (7) to prevent the hexagonal nut (7) from loosening.
7. The medium-low speed magnetic levitation non-separating track panel fastener as claimed in claim 6, wherein: and a cap-shaped nut (9) is arranged at the top end of the embedded bolt to seal the thread section of the embedded bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986684.1U CN211872434U (en) | 2019-11-17 | 2019-11-17 | Medium-low speed magnetic levitation non-separating track panel fastener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986684.1U CN211872434U (en) | 2019-11-17 | 2019-11-17 | Medium-low speed magnetic levitation non-separating track panel fastener |
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| CN211872434U true CN211872434U (en) | 2020-11-06 |
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| CN201921986684.1U Active CN211872434U (en) | 2019-11-17 | 2019-11-17 | Medium-low speed magnetic levitation non-separating track panel fastener |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983875A (en) * | 2019-11-17 | 2020-04-10 | 中铁二院工程集团有限责任公司 | Elastic non-separating fastener system for medium-low speed magnetic suspension track |
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2019
- 2019-11-17 CN CN201921986684.1U patent/CN211872434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983875A (en) * | 2019-11-17 | 2020-04-10 | 中铁二院工程集团有限责任公司 | Elastic non-separating fastener system for medium-low speed magnetic suspension track |
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