CN110804905A - Assembled track structure of big adjustment volume - Google Patents
Assembled track structure of big adjustment volume Download PDFInfo
- Publication number
- CN110804905A CN110804905A CN201911046678.2A CN201911046678A CN110804905A CN 110804905 A CN110804905 A CN 110804905A CN 201911046678 A CN201911046678 A CN 201911046678A CN 110804905 A CN110804905 A CN 110804905A
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- Prior art keywords
- plate
- track
- support plate
- lower support
- rectangular
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Classifications
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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
- E01B2/00—General structure of permanent way
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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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
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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
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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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
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
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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
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an assembly type track structure with large adjustment quantity, which is arranged on a lower foundation (1) and comprises an adjustment support and a track plate (9); wherein the lower foundation (1) is provided with an embedded pipe sleeve; the track plate (9) is provided with an embedded pipe sleeve; the adjusting support comprises a pre-heightening base plate (2), a lower support plate (3) is arranged at the top end of the pre-heightening base plate (2), a steel lining plate (5) is arranged at the top end of the lower support plate (3), and an upper support plate (8) is arranged between the top end of the steel lining plate (5) and the bottom end of a track plate (9). All parts of the assembly type track structure are prefabricated, the production and installation quality is high, the assembly is rapid in on-site construction, the construction strength is reduced, and the maintenance and repair conditions are good. Meanwhile, the adjusting component of the assembly type track structure is easy to operate, the adjusting amount is large, quick replacement can be achieved according to actual requirements on site, and the influence of track structure adjusting construction on train operation is reduced.
Description
Technical Field
The invention belongs to the technical field of railway tracks, and particularly relates to an assembly type track structure with large adjustment amount.
Background
Urban rail transit and state railway increasingly adopt ballastless track structure, and the geometry form and position of ballastless track structure is difficult to change again after having been built, and the topography of present many highway sections is all more complicated, and the construction is difficult. When the conditions of the movable fault zone dislocation, foundation engineering construction errors, uneven settlement of a roadbed, longitudinal deformation of a bridge foundation and the like occur, the requirement of the irregularity of the track needs to be met by adjusting the track structure.
The main approach of adjusting the track structure at present is through the condition of fastener system, and the maximum height-adjusting quantity of special fasteners commonly used at home and abroad generally does not exceed 60mm, and such an adjusting quantity can not satisfy the requirements of some working conditions with severe environment far away. Such as a movable fault zone dislocation, longitudinal displacement of the main girder of the steel girder bridge, etc.
If no special measures or improper measures are taken for the track structure of the section with the dislocation of the movable fracture zone and the longitudinal displacement of the main longitudinal beam of the steel truss bridge, once the short-time large displacement occurs, the track structure is damaged in a large range, so that the operation cannot be continued, only the dismantling and reconstruction can be carried out, the limitation of the field and the construction process is caused, the repairing time is long, the engineering difficulty is large, the repairing cost is high, and the traffic condition cannot be rapidly met.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the assembly type track structure with large adjustment amount, all the components are prefabricated, the production and installation quality is high, the materials are saved, the field construction and assembly are quick, the construction strength is reduced, and the maintenance and repair conditions are better. Meanwhile, the adjusting component of the assembly type track structure is easy to operate, the adjusting amount is large, quick replacement can be achieved according to actual requirements on site, and the influence of track structure adjusting construction on train operation is reduced. .
In order to achieve the above object, the present invention provides an assembly type track structure with large adjustment amount, which is arranged on a lower base and comprises a lower base, an adjustment support and a track plate; wherein the content of the first and second substances,
the top end surface and the bottom end surface of the track plate are both provided with embedded pipe sleeves, and the top end surface of the track plate is also provided with a steel rail;
the utility model discloses a railway track slab, including lower part basis, adjustment support, regulation support, the adjustment support is located the rectangular plate form backing plate of increaseing in advance on the basic top face of lower part, through the adjustment of the backing plate of increaseing in advance reachs the adjustment of the vertical height of adjustment support, the backing plate top face of increaseing in advance is equipped with rectangular concave station form bottom suspension bedplate, the top face of bottom suspension bedplate is equipped with the steel lining board of rectangle boss form, the top face of steel lining board with be equipped with the rectangular plate form upper bracket board between the bottom face of track board, a side of upper bracket board is equipped with vertical rectangular channel, the medial surface of vertical rectangular channel is equipped with the side slide, does adjustment.
Furthermore, the four corners of the upper support plate are provided with circular through holes which are fixed on the bottom end surface of the track plate through upper support fixing bolts.
Furthermore, the side sliding plate is made of a material with low friction coefficient and high strength, so that the friction resistance of the assembled track structure during longitudinal adjustment is reduced.
Furthermore, the top end face of the steel lining plate is provided with an oval shallow groove, an oval top surface sliding plate is arranged inside the oval shallow groove, the top surface sliding plate is made of a material with low friction coefficient and high strength, and the friction resistance during longitudinal adjustment of the assembled track structure is reduced.
Furthermore, a rectangular rubber cushion plate is arranged inside the rectangular concave table of the lower support plate, so that vibration generated by the steel lining plate is absorbed, and the steel lining plate and the lower support plate are isolated.
Furthermore, the top of the rectangular concave table of the lower support plate is provided with a return-shaped sealing rubber ring, so that the sealing of the rectangular concave table of the lower support plate is guaranteed.
Furthermore, a pointer for measuring the position is arranged in the middle of one side surface of the lower support plate.
Furthermore, the four corners of the pre-heightening base plate and the lower support plate are provided with circular through holes, and the pre-heightening base plate and the lower support plate are fixed on the basis of the lower part of the track through lower support fixing bolts.
Furthermore, the size of the rectangular concave table of the lower support plate is consistent with the size of the rectangular boss of the steel lining plate, so that the sealing performance inside the rectangular concave table of the lower support plate is ensured.
Further, all components of the large-adjustment-amount fabricated rail structure are fabricated products.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) all parts of the assembly type track structure are prefabricated, the production and installation quality is high, materials are saved, the assembly is quick in site construction, the construction strength is reduced, and the maintenance and repair conditions are good. Meanwhile, the adjusting component of the assembly type track structure is easy to operate, the adjusting amount is large, quick replacement can be achieved according to actual requirements on site, and the influence of track structure adjusting construction on train operation is reduced.
(2) According to the assembly type track structure, the upper support plate and the sliding plate on the iron lining plate form a friction pair with a lower friction coefficient, so that the longitudinal large adjustment amount of the track structure is realized, and the assembly type track structure can adapt to the longitudinal large displacement of the lower foundation of the track. Meanwhile, the height of the track plate can be adjusted by adjusting the height of the pre-heightening base plate, so that two adjacent track plates are ensured to be positioned in the same horizontal plane.
(3) According to the assembly type track structure, the rubber base plate is arranged between the concave platform of the lower support plate and the iron lining plate, and the rubber base plate vertically provides a buffer and vibration reduction effect for the track structure, so that the safety and the comfort of train operation are improved.
Drawings
FIG. 1 is a perspective view of a large adjustment amount fabricated track structure according to an embodiment of the present invention;
FIG. 2 is a front view of the overall structure of a large adjustment amount fabricated track structure according to an embodiment of the present invention;
FIG. 3 is a perspective view of the internal structure of a large adjustment amount fabricated track structure according to an embodiment of the present invention;
fig. 4 is a top view of a track slab 9 of a large adjustment amount fabricated track structure according to an embodiment of the present invention;
fig. 5 is a bottom view of a track plate 9 of a large adjustment amount fabricated track structure according to an embodiment of the present invention;
FIG. 6 is an exploded perspective view of a large adjustment mount of the fabricated track structure of the present invention;
FIG. 7 is an exploded front view of a large adjustment mount of the fabricated track structure of the present invention;
FIG. 8 is a schematic diagram of an overall structure of a large-adjustment fabricated track structure support according to an embodiment of the present invention;
FIG. 9 is a front view of a large adjustment mount for a track structure according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view of a large adjustment mount for a track structure according to an embodiment of the present invention;
FIG. 11 is a side view of a large adjustment amount assembled rail structure in a normal state according to an embodiment of the present invention;
FIG. 12 is a bottom side view of a large adjustment amount assembled rail structure in a longitudinally deformed state according to an embodiment of the present invention;
FIG. 13 is a side view of a large adjustment amount fabricated rail structure after longitudinal adjustment in accordance with one embodiment of the present invention;
FIG. 14 is a bottom side view of a large adjustment amount assembled rail structure in a vertically deformed state according to an embodiment of the present invention;
FIG. 15 is a side view of a large adjustment amount assembled rail structure after vertical adjustment according to an embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-a track lower foundation, 2-a pre-heightening base plate, 3-a lower support plate, 4-a rubber base plate, 5-a steel lining plate, 6-a sealing rubber ring, 7-a pointer, 8-an upper support plate, 9-a track plate, 10-a steel rail, 11-a side sliding plate, 12-a top sliding plate, 13-a lower support fixing bolt and 14-an upper support fixing bolt.
Detailed Description
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. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, 2 and 3, the present invention discloses a large adjustment amount assembly type track structure, which is provided on a lower base, and includes a track adjustment support and a track plate 9. The adjustment support is arranged between the track lower part foundation 1 and the track plate 9, provides stable support for the lower part foundation 1 arranged at the top of the adjustment support, ensures the stability of the steel rail 10, and simultaneously, after the track lower part foundation 1 and the track plate 9 are longitudinally or vertically deformed, the adjustment support can be flexibly and reliably adjusted, thereby ensuring the integral smoothness of the track plate 9 and ensuring the normal operation of a train. All parts of the assembly type track structure are prefabricated, the production and installation quality is high, materials are saved, the assembly is quick in site construction, the construction strength is reduced, and the maintenance and repair conditions are good. Meanwhile, the adjusting component of the assembly type track structure is easy to operate, the adjusting amount is large, quick replacement can be achieved according to actual requirements on site, and the influence of track structure adjusting construction on train operation is reduced.
As shown in fig. 1 to 5, the top end surface of the rail lower foundation 1 is a rectangular plane, and the embedded sleeves are arranged on the rectangular plane so as to facilitate installation of the adjusting support. The whole track plate 9 is a cuboid plate-shaped component, the top end surface and the bottom end surface of the track plate 9 are both provided with embedded sleeves, and the embedded sleeves on the top end surface are arranged in four rows along the longitudinal direction and are used for fixedly mounting the steel rail 10; the embedded sleeve of its bottom face evenly is equipped with the four corners position of this cuboid board, and this track board 9 of being convenient for and adjustment support fixed connection ensure the transmission that the load of train can be stable to track lower part basis 1.
As shown in fig. 3 and 6 to 10, the adjustment bracket is provided between the track lower base 1 and the track plate 9, and connects the track lower base 1 and the track plate 9, thereby transmitting the load received by the track plate 9 to the track lower base 1. The adjusting support comprises a pre-heightening base plate 2, a lower support plate 3, a rubber base plate 4, a steel lining plate 5, a sealing rubber ring 6, a pointer 7, an upper support plate 8, a side sliding plate 11, a top sliding plate 12, a lower support fixing bolt 13 and an upper support fixing bolt 14. The main supporting structure of the adjusting support is composed of a lower support plate 3, a steel lining plate 5 and an upper support plate 8, the bottom of the lower support plate 3 is a rectangular plate with four corners provided with circular through holes, and the top of the lower support plate is a rectangular concave platform; the steel lining plate 5 is a rectangular boss as a whole, the size of the boss is matched with that of the concave table of the lower support plate 3, and meanwhile, an oval shallow groove for mounting the top surface sliding plate 12 is formed in the top end surface of the steel lining plate 5; the upper support plate 8 is a rectangular plate with four corners provided with circular through holes, the upper support plate 8 is fixed on the bottom end face of the track plate 9 through upper support fixing bolts 14, and a rectangular groove is formed in the bottom end face of the rectangular plate along the longitudinal direction so as to be matched with the steel lining plate 5. The whole rectangular plate-shaped structure that the round hole was established to the four corners position of heightening backing plate 2 in advance, this heightening backing plate 2 in advance is located on 1 top face of track lower part basis, and through undersetting fixing bolt 13 with undersetting bedplate 3, heightening backing plate 2 in advance and track lower part basis 1 fixed connection be a whole, the guarantee can ensure the holistic stability of assembled track structure when bearing the load and the vibration of its top component transmission. Simultaneously, when this assembled track structure need carry out the adjustment of big adjustment volume, can earlier with this track board 9 jack-ups, later demolish bottom suspension seat fixing bolt 13, change the adjustment of suitable thickness heighten backing plate 2 in advance to this assembled track structure's vertical height, guarantee adjacent track board 9 can be in same plane, guarantee the normal operating of train, and then improve this assembled track structure's suitability and reliability.
In addition, a rectangular rubber pad 4 is arranged inside the rectangular concave table of the lower support plate 3, the rubber pad 4 can prevent the steel liner 5 from directly contacting with the lower support plate 3, and can absorb the vibration generated by the running of the train, so that the service life of the steel liner 5 and the lower support plate 3 is prolonged. Be equipped with one at the rectangle concave station top end face position of this bottom suspension bedplate 3 and wind the shape sealing rubber circle 6 of 5 bosss of steel liner, when bottom suspension bedplate 3 and steel liner 5 cooperate, this sealing rubber circle 6 can seal it, provides a good operational environment for rubber liner 4, prolongs rubber liner 4's life, and then improves this assembled track structure's economic nature and suitability. Meanwhile, a pointer 7 is arranged on one side surface of the upper support plate 8, and the pointer 7 is arranged at the middle position of the side surface when being installed, provides real-time marks for the adjustment of the pointer when being longitudinally adjusted, and provides the maintenance and repair efficiency of the railway engineering department. Inside the oval shallow slot of steel liner 5 top terminal surface is equipped with top surface slide 12, and this top surface slide 12 is whole to be oval sheet metal, is equipped with rectangular plate shaped's side slide 11 on two inner walls of the vertical rectangular channel of last bedplate 8 bottom face, and this top surface slide 12 and side slide 11 are made by the material that coefficient of friction is low, intensity is high, reduce frictional resistance when assembled track structure vertically adjusts, and then improve this assembled track structure's convenience and suitability.
The invention relates to an assembly type track structure with large adjustment quantity, which has the working principle and the specific implementation steps as follows:
the track lower foundation 1 requires a large adjustment amount: as shown in fig. 11, 12 and 13, the lower support fixing bolt 13 of the adjusting support is firstly removed, after the removal is completed, the track plate 9 is supported by the jack, then the lower support plate 3 and the pre-heightening base plate 2 are removed, the thickness of the pre-heightening base plate 2 is increased or decreased until the two adjacent track plates 9 are kept in the same horizontal plane, and after the adjustment is completed, the lower support plate 3 and the pre-heightening base plate 2 are reinstalled, so that the adjustment of the large heightening amount of the track is completed.
The track lower foundation 1 requires a large longitudinal adjustment: as shown in fig. 11, 14 and 15, side sliding plates 11 are provided on both sides of the bottom end surface of the upper support plate 8, and an oval top sliding plate 12 is provided on the top end surface of the steel lining plate 5, so that when the lower track foundation 1 needs a large longitudinal adjustment amount, the upper support plate 8 can be assisted to move along the longitudinal direction by the side sliding plates 11 and the top sliding plate 12, and the influence of the longitudinal displacement on the rails and the fastener system of the lower track foundation 1 is reduced. After the adjustment of the longitudinal displacement is completed, the pointer 7 arranged on the side surface of the upper support plate 8 can read the longitudinal displacement, so that the adjustment information of the track structure can be timely mastered, and the maintenance is convenient.
It will be understood by those skilled in the art that the foregoing is only 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 in the scope of the present invention.
Claims (10)
1. An assembly type track structure with large adjustment amount is arranged on a lower foundation (1) and is characterized by comprising an adjustment support and a track plate (9); wherein the content of the first and second substances,
the top end surface and the bottom end surface of the track plate (9) are both provided with embedded pipe sleeves, and the top end surface is also provided with a steel rail (10);
the adjusting support is arranged between the lower foundation (1) and the track plate (9), the adjusting support comprises a rectangular plate-shaped pre-heightening base plate (2) arranged on the top end surface of the lower base (1), the vertical height of the adjusting support is adjusted through the adjustment of the pre-heightening base plate (2), the top end surface of the pre-heightening base plate (2) is provided with a rectangular concave table-shaped lower support plate (3), the top end surface of the lower support plate (3) is provided with a rectangular boss-shaped steel lining plate (5), a rectangular plate-shaped upper support plate (8) is arranged between the top end surface of the steel lining plate (5) and the bottom end surface of the track plate (9), a longitudinal rectangular groove is formed in one side face of the upper support plate (8), a side face sliding plate (11) is arranged on the inner side face of the longitudinal rectangular groove, and therefore guiding is provided for longitudinal displacement of the adjusting support.
2. A large adjustment amount fabricated rail structure according to claim 1, wherein the four corners of the upper support plate (8) are provided with circular through holes, which are fixed on the bottom end surface of the rail plate (9) by upper support fixing bolts (14).
3. A large adjustment assembly track structure according to claim 2, characterized in that the side sliding plates (11) are made of a material with low friction coefficient and high strength, so as to reduce the friction resistance when the assembly track structure is adjusted longitudinally.
4. A large adjustment amount fabricated rail structure according to claim 1, wherein the top end face of the steel lining plate (5) is provided with an oval shallow groove, an oval top surface sliding plate (12) is arranged inside the oval shallow groove, and the top surface sliding plate (12) is made of a material with low friction coefficient and high strength, so as to reduce the friction resistance during the longitudinal adjustment of the fabricated rail structure.
5. The fabricated rail structure with large adjustment amount according to claim 1, wherein a rectangular rubber pad plate (4) is arranged inside the rectangular concave table of the lower support plate (3) to absorb the vibration generated by the steel pad plate (5) and isolate the steel pad plate (5) from the lower support plate (3).
6. A large adjustment amount fabricated rail structure according to claim 5, characterized in that the rectangular concave bench top of the lower support plate (3) is provided with a back-shaped sealing rubber ring (6) to ensure the sealing of the rectangular concave bench of the lower support plate (3).
7. A large adjustment fabricated rail structure according to claim 1, wherein a pointer (7) for position determination is provided at a side surface of the lower support plate (3) at a middle position.
8. The assembled rail structure with large adjustment amount according to claim 1, wherein the pre-heightening base plate (2) and the lower support plate (3) are provided with circular through holes at four corners, and the pre-heightening base plate (2) and the lower support plate (3) are fixed on the rail lower foundation (1) by lower support fixing bolts (13).
9. A large adjustment amount fabricated rail structure according to claim 1, wherein the rectangular concave table size of the lower support plate (3) is conformed to the rectangular convex table size of the steel lining plate (5), ensuring the sealing property inside the rectangular concave table of the lower support plate (3).
10. A large adjustment volume fabricated rail structure according to any one of claims 1-9, wherein all components of said large adjustment volume fabricated rail structure are prefabricated members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046678.2A CN110804905A (en) | 2019-10-30 | 2019-10-30 | Assembled track structure of big adjustment volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046678.2A CN110804905A (en) | 2019-10-30 | 2019-10-30 | Assembled track structure of big adjustment volume |
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| Publication Number | Publication Date |
|---|---|
| CN110804905A true CN110804905A (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911046678.2A Pending CN110804905A (en) | 2019-10-30 | 2019-10-30 | Assembled track structure of big adjustment volume |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660196A (en) * | 2020-11-07 | 2021-04-16 | 西南交通大学 | Method for controlling asymmetric abrasion of steel rail |
| CN114016334A (en) * | 2021-09-01 | 2022-02-08 | 四川迈铁龙科技有限公司 | Can reserve damping and height-adjustable's assembled railway roadbed structure |
-
2019
- 2019-10-30 CN CN201911046678.2A patent/CN110804905A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660196A (en) * | 2020-11-07 | 2021-04-16 | 西南交通大学 | Method for controlling asymmetric abrasion of steel rail |
| CN114016334A (en) * | 2021-09-01 | 2022-02-08 | 四川迈铁龙科技有限公司 | Can reserve damping and height-adjustable's assembled railway roadbed structure |
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