CN218932739U - Switch fastener system with large height adjustment amount - Google Patents
Switch fastener system with large height adjustment amount Download PDFInfo
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- CN218932739U CN218932739U CN202222985699.4U CN202222985699U CN218932739U CN 218932739 U CN218932739 U CN 218932739U CN 202222985699 U CN202222985699 U CN 202222985699U CN 218932739 U CN218932739 U CN 218932739U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model provides a turnout fastener system with large height adjustment quantity, which comprises a concrete turnout sleeper, an iron base plate, a steel rail, an under-plate rubber base plate, an under-rail rubber base plate, a height adjustment base plate, a fastener structure and a turnout sleeper connecting structure; the steel rail is fixed on the iron backing plate through a fastener structure; the iron backing plate is connected with the concrete switch tie through a switch tie connecting structure; the rubber pad plate under the rail is arranged between the upper surface of the iron base plate and the steel rail; the rubber pad plate under the plate is arranged below the iron base plate; the height-adjusting base plate is arranged below the rubber base plate below the plate, and is arranged to contain multiple pieces with different thickness sizes. The height of the turnout fastener system is adjusted by arranging the height adjusting backing plate; and the height-adjusting base plate is arranged to contain a plurality of standard components with different thicknesses so as to realize the adjustment of different height requirements of the turnout fastener system, thereby realizing the adjustment requirement of large height adjustment quantity.
Description
Technical Field
The utility model relates to the technical field of railway paving, in particular to a turnout fastener system with large height-adjusting capacity.
Background
The connection between the steel rail and the turnout sleeper is realized through a fastener system, and in the ballasted track structure, the fastener system combines the steel rail and the turnout sleeper into a track panel structure to bear the load of a train and resist the action force in the longitudinal and transverse directions; in the ballastless track structure, the height adjustment requirement of the fastener system is-4 mm to +26mm.
The existing fastener system has the following defects when facing to the larger height adjustment amount:
1) In the existing fastener system, the bolt of the switch tie is easy to loosen due to overlarge axial force, so that the bolt and the embedded sleeve cannot be well matched, a good stress state cannot be achieved, and the switch tie bolt pair can be damaged in advance.
2) After the height of the existing fastener system is increased, the bolt of the switch tie is subjected to larger transverse acting force, so that the bolt is broken.
Disclosure of Invention
The utility model provides a turnout fastener system with large height adjustment amount, and aims to overcome the defect that transverse shearing force applied to sleeper connecting bolts is increased under the condition of large height adjustment amount due to the fact that the traditional fastener is insufficient in height adjustment amount.
The utility model provides a turnout fastener system with large height adjustment quantity, which comprises a concrete turnout sleeper, an iron base plate, a steel rail, an under-plate rubber base plate, an under-rail rubber base plate, a height adjustment base plate, a fastener structure and a turnout sleeper connecting structure; the steel rail is fixed on the iron backing plate through a fastener structure; the iron backing plate is connected with the concrete switch tie through a switch tie connecting structure; the rubber pad plate under the rail is arranged between the upper surface of the iron base plate and the steel rail; the rubber pad plate under the plate is arranged below the iron base plate; the height-adjusting base plate is arranged below the rubber base plate below the plate, and is arranged to contain multiple pieces with different thickness sizes.
Optionally, a plurality of notches are formed in the iron backing plate, a plurality of bosses which are arranged in one-to-one correspondence with the notches and matched with the notches are formed in the rubber backing plate below the plate, and the notches are connected with the bosses.
Optionally, the plurality of notches and the plurality of bosses are arranged in a semi-circular, stepped, rectangular, mutually embedded structure.
Optionally, the embedded limit seat is an L-shaped structure including an embedded portion and an exposed portion, wherein the embedded portion is disposed in the concrete switch tie, and a tenon is disposed on the embedded portion.
Optionally, a plurality of grooves are arranged on the end surface of the height-adjusting backing plate, which is used for being connected with the rubber backing plate under the plate.
Optionally, the switch tie connecting structure comprises a switch tie bolt, a steel sleeve, a buffer positioning sleeve and an inner sleeve; the steel sleeve comprises a first part and a second part which are connected with each other, the first part and the second part are connected with each other to form a T-shaped structure, a first connecting hole which is convenient for a turnout bolt to pass through is formed in the first part, a second connecting hole which is convenient for an inner sleeve to be installed is formed in the second part, and the diameter of the second connecting hole is larger than that of the first connecting hole; the buffer positioning sleeve comprises a first connecting position, a second connecting position and a through hole penetrating through the first connecting position and the second connecting position, and the first connecting position and the second connecting position are connected with each other to form a T-shaped structure; the inner sleeve, the steel sleeve and the buffer positioning sleeve are sleeved in sequence from inside to outside to form a three-sleeve structure; the switch tie bolts penetrate through the three-sleeve structure and are connected with the concrete switch tie.
Optionally, a belleville spring is also arranged between the switch tie bolt and the three-sleeve structure.
Optionally, the inner sleeve is provided with a plurality of pieces with different thickness sizes, and the plurality of pieces of inner sleeve and the plurality of pieces of heightening backing plates are arranged in a one-to-one correspondence manner.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The height of the turnout fastener system is adjusted by arranging the height adjusting backing plate; and the height-adjusting base plate is arranged to contain a plurality of standard components with different thicknesses so as to realize the adjustment of different height requirements of the turnout fastener system, thereby realizing the adjustment requirement of large height adjustment quantity.
(2) According to the utility model, the embedded limit seat is arranged on the concrete switch sleeper, so that the switch fastener system can bear the transverse force of the wheel rail, the mechanical connection between the fastener structure and the concrete switch sleeper is more reliable, and the pulling resistance and torsional rigidity are larger.
(3) According to the utility model, the notch structure is arranged on the iron backing plate, and the boss structure matched with the notch structure is arranged on the rubber backing plate under the plate, so that the rubber backing plate under the plate is prevented from being fleed under the action of longitudinal force and transverse force of a circuit through the interconnection of the notch structure and the boss structure, and the overall performance is improved.
(4) According to the utility model, by adopting a three-sleeve structure consisting of the steel sleeve, the buffer positioning sleeve and the inner sleeve, the stress point of the bolt of the switch tie can be kept unchanged under the condition that the fastener system is heightened, so that the stress condition of the bolt is improved.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall construction of a high turnout fastener system according to an embodiment of the present utility model;
FIG. 2 is a schematic axial view of the concrete switch tie of FIG. 1 after being interconnected with a pre-buried limit seat;
FIG. 3 is an isometric view of the pre-buried retainer of FIG. 2;
FIG. 4 is an isometric view of the iron shim plate of FIG. 1;
FIG. 5 is an isometric view of the lower plate rubber shim plate of FIG. 1;
FIG. 6 is an isometric view of the lift pad of FIG. 1;
FIG. 7 is a schematic front cross-sectional view of the steel jacket of FIG. 1;
fig. 8 is a schematic front cross-sectional view of the cushion collar of fig. 1.
Wherein:
1.1.1 parts of concrete switch tie, 1.1.1 parts of embedded limiting seat, 2 parts of tenons, 2 parts of iron backing plates, 2.2 parts of notches, 3 parts of steel rails, 4 parts of under-board rubber backing plates, 4.1 parts of bosses, 5 parts of under-rail rubber backing plates, 6 parts of heightening backing plates, 6.1 parts of grooves, 7 parts of fastener structures, 8 parts of switch tie connecting structures, 8.1 parts of switch tie bolts, 8.2 parts of disc springs, 8.3 parts of steel sleeves, 8.3.1 parts of first parts, 8.3.2 parts of second parts of disc springs, 8.3.3 parts of first connecting holes, 8.3.4 parts of second connecting holes, 8.4 parts of buffer positioning sleeves, 8.4.1 parts of first connecting positions, 8.4.2 parts of second connecting positions of first connecting holes, 8.4.3 parts of through holes of second parts of through holes of 8.5 parts of inner sleeves.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that the drawings of the present utility model are in simplified form and are not precisely scaled, so as to facilitate the clear and convenient explanation of the implementation of the present utility model; the utility model is not limited to the specific numbers mentioned in the examples of the drawings; the directions and positional relationships indicated by the terms "rear", "left", "right", "upper", "lower", "top", "bottom", "middle", etc. in the present utility model are all based on the directions and positional relationships shown in the drawings of the present utility model, and do not indicate or imply that the device or component to be referred to must have a specific direction, nor should it be construed as limiting the present utility model.
This embodiment:
referring to fig. 1, a high-rise turnout fastener system comprises a concrete turnout sleeper 1, an iron tie plate 2, a steel rail 3, an under-plate rubber tie plate 4, an under-rail rubber tie plate 5, a height-raising tie plate 6, a fastener structure 7 and a turnout sleeper coupling structure 8;
the steel rail 3 is fixed on the iron backing plate 2 through a fastener structure 7; the iron backing plate 2 is connected with the concrete switch tie 1 through a switch tie connecting structure 8; the under-rail rubber backing plate 5 is arranged between the upper surface of the iron backing plate 2 and the steel rail 3; the under-plate rubber cushion plate 4 is arranged in a flat plate structure, and the under-plate rubber cushion plate 4 is arranged below the iron cushion plate 2 and is used for providing elasticity for the turnout structure; the height-adjusting base plate 6 is in a flat plate structure, the height-adjusting base plate 6 is arranged below the rubber base plate 4 under the plate, and in order to increase the height-adjusting amount of the turnout fastener system, the height-adjusting base plate 6 is arranged to comprise a plurality of pieces with different thickness sizes. Here, preference is given to: in order to ensure the stable and reliable rigidity when the train passes through the fork, the length and the width of the rubber backing plate 4 under the plate are larger than or equal to those of the iron backing plate 2; the fastener structure 7 is provided as an elastic fastener structure, which is the prior art.
Optionally, to improve the overall performance of the turnout fastener system, the iron pad 2 is further provided with a plurality of notches 2.1, the under-board rubber pad 4 is further provided with a plurality of bosses 4.1 which are arranged in one-to-one correspondence with the plurality of notches 2.1 and are matched with each other, and the plurality of notches 2.1 are mutually connected with the plurality of bosses 4.1 so as to prevent the under-board rubber pad 4 from moving under the action of longitudinal force and transverse force of a circuit. Here, preference is given to: the plurality of recesses 2.1 are preferably provided on four diagonal corners of the iron pallet 2, and the plurality of recesses 2.1 and the plurality of bosses 4.1 are preferably provided in an embedded structure capable of preventing displacement, such as a semicircle, a step, a rectangle, etc.
Optionally, an embedded limit seat 1.1 is further arranged on the concrete switch tie 1, the embedded limit seat 1.1 is preferably an L-shaped structure comprising an embedded part and an exposed part which are connected with each other, the embedded part enters the concrete switch tie 1, and a tenon 1.1.1 is arranged on the embedded part to strengthen the connection between the switch tie connecting structure 8 and the concrete switch tie 1, and meanwhile, the embedded limit seat 1.1 is positioned, so that the switch fastener system bears the transverse force of a wheel rail through the embedded limit seat. Here, preference is given to: the pre-buried limit seat 1.1 is preferably provided with at least two pieces which are arranged at intervals.
Optionally, in order to increase the friction between the height-adjusting backing plate 6 and the under-plate rubber backing plate 4, a plurality of grooves 6.1 are further provided on the end surface of the height-adjusting backing plate 6 for interconnection with the under-plate rubber backing plate 4.
As a further embodiment of the present utility model: the switch tie connecting structure 8 comprises a switch tie bolt 8.1, a steel sleeve 8.3, a buffer positioning sleeve 8.4 and an inner sleeve 8.5;
the steel sleeve 8.3 comprises a first part 8.3.1 and a second part 8.3.2 which are connected with each other, the first part 8.3.1 and the second part 8.3.2 are connected with each other to form a T-shaped structure, a first connecting hole 8.3.3 which is convenient for a switch tie bolt 8.1 to pass through is arranged on the first part 8.3.1, a second connecting hole 8.3.4 which is convenient for installing an inner sleeve 8.5 is arranged on the second part 8.3.2, and the diameter of the second connecting hole 8.3.4 is larger than that of the first connecting hole 8.3.3;
the buffer positioning sleeve 8.4 comprises a first connecting position 8.4.1, a second connecting position 8.4.2, and a through hole 8.4.3 penetrating through the first connecting position 8.4.1 and the second connecting position 8.4.2, wherein the first connecting position 8.4.1 and the second connecting position 8.4.2 are mutually connected to form a T-shaped structure;
the inner sleeve 8.5, the steel sleeve 8.3 and the buffer positioning sleeve 8.4 are sleeved in sequence from inside to outside to form a three-sleeve structure;
the switch tie bolts 8.1 are interconnected with the concrete switch tie 1 through a three-sleeve structure.
Optionally, a belleville spring 8.2 is further arranged between the switch tie bolt 8.1 and the three-sleeve structure, and the belleville spring 8.2 is sleeved on the switch tie bolt 8.1 to increase the elasticity of the switch tie connecting structure 8.
Optionally, in order to effectively ensure the contact area between the inner sleeve 8.5 and the steel sleeve 8.3, the inner sleeve 8.5 is provided with a plurality of pieces with different thickness dimensions, and the plurality of inner sleeves 8.5 and the plurality of height-adjusting backing plates 6 are arranged in a one-to-one correspondence manner so as to be convenient for being matched and replaced.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The turnout fastener system with large height adjustment quantity is characterized by comprising a concrete turnout sleeper (1), an iron base plate (2), a steel rail (3), an under-plate rubber base plate (4), an under-rail rubber base plate (5), a height adjustment base plate (6), a fastener structure (7) and a turnout sleeper connecting structure (8); the steel rail (3) is fixed on the iron backing plate (2) through a fastener structure (7); the iron base plate (2) is connected with the concrete switch tie (1) through a switch tie connecting structure (8); the under-rail rubber backing plate (5) is arranged between the upper surface of the iron backing plate (2) and the steel rail (3); the under-plate rubber cushion plate (4) is arranged below the iron cushion plate (2); the height-adjusting base plate (6) is arranged below the rubber base plate (4) below the plate, and the height-adjusting base plate (6) is arranged to contain multiple pieces with different thickness sizes.
2. The turnout fastener system according to claim 1, wherein a plurality of notches (2.1) are formed in the iron pad (2), a plurality of bosses (4.1) which are arranged in a one-to-one correspondence with the notches (2.1) and are matched with the notches are formed in the under-board rubber pad (4), and the notches (2.1) are connected with the bosses (4.1).
3. The switch fastener system according to claim 2, characterized in that the plurality of recesses (2.1) and the plurality of bosses (4.1) are arranged in a semi-circular, stepped, rectangular, mutually embedded configuration.
4. The switch fastener system according to claim 1, characterized in that an embedded limit seat (1.1) is further provided on the concrete switch tie (1), the embedded limit seat (1.1) is provided as an L-shaped structure comprising an embedded portion and an exposed portion connected to each other, the embedded portion is placed in the concrete switch tie (1), and a tongue (1.1.1) is provided on the embedded portion.
5. A switch fastener system according to claim 1, characterized in that grooves (6.1) are provided in the end face of the lifting pad (6) for interconnection with the under-plate rubber pad (4).
6. The switch fastener system of any of claims 1-5, characterized in that the switch tie coupling structure (8) comprises a switch tie bolt (8.1), a steel sleeve (8.3), a buffer positioning sleeve (8.4) and an inner sleeve (8.5);
the steel sleeve (8.3) comprises a first part (8.3.1) and a second part (8.3.2) which are connected with each other, the first part (8.3.1) and the second part (8.3.2) are connected with each other to form a T-shaped structure, a first connecting hole (8.3.3) which is convenient for a turnout bolt (8.1) to pass through is arranged on the first part (8.3.1), a second connecting hole (8.3.4) which is convenient for installing an inner sleeve (8.5) is arranged on the second part (8.3.2), and the diameter of the second connecting hole (8.3.4) is larger than that of the first connecting hole (8.3.3);
the buffer positioning sleeve (8.4) comprises a first connecting position (8.4.1), a second connecting position (8.4.2) and a through hole (8.4.3) penetrating through the first connecting position (8.4.1) and the second connecting position (8.4.2), and the first connecting position (8.4.1) and the second connecting position (8.4.2) are connected with each other to form a T-shaped structure;
the inner sleeve (8.5), the steel sleeve (8.3) and the buffer positioning sleeve (8.4) are sleeved in sequence from inside to outside to form a three-sleeve structure;
the switch tie bolts (8.1) penetrate through the three-sleeve structure and are connected with the concrete switch tie (1).
7. The switch fastener system of claim 6, characterized in that a belleville spring (8.2) is also provided between the switch tie bolt (8.1) and the triple sleeve structure.
8. The switch fastener system according to claim 7, characterized in that the inner sleeve (8.5) is provided with a plurality of pieces comprising different thickness dimensions, the plurality of pieces of inner sleeve (8.5) being arranged in a one-to-one correspondence with the plurality of pieces of height-adjusting shim plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985699.4U CN218932739U (en) | 2022-11-10 | 2022-11-10 | Switch fastener system with large height adjustment amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985699.4U CN218932739U (en) | 2022-11-10 | 2022-11-10 | Switch fastener system with large height adjustment amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218932739U true CN218932739U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222985699.4U Active CN218932739U (en) | 2022-11-10 | 2022-11-10 | Switch fastener system with large height adjustment amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218932739U (en) |
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- 2022-11-10 CN CN202222985699.4U patent/CN218932739U/en active Active
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