CN216074542U - Small-radius I-shaped switch rail telescopic regulator - Google Patents
Small-radius I-shaped switch rail telescopic regulator Download PDFInfo
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- CN216074542U CN216074542U CN202122257702.6U CN202122257702U CN216074542U CN 216074542 U CN216074542 U CN 216074542U CN 202122257702 U CN202122257702 U CN 202122257702U CN 216074542 U CN216074542 U CN 216074542U
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Abstract
The utility model discloses a small-radius I-shaped switch rail telescopic regulator which comprises a switch rail, a stock rail, base plate assemblies, guide rail supports and fixing rail supports, wherein the whole switch rail is fixed with each base plate assembly, each fixing rail support comprises a switch rail fixing rail support, a switch rail web is fixedly connected with each base plate assembly through the switch rail fixing rail support, the guide rail supports are arranged between the outer side of a bending section of the stock rail and the base plate assemblies, the bottom of each guide rail support is fixed on each base plate assembly, the upper parts of the guide rail supports are propped against the web of the bending section from the side faces, the switch rail is formed by processing I-shaped rails with the same type as the stock rail, the height of each switch rail is consistent with that of the stock rail, and the rail bottom of the stock rail is propped against the side face of the rail bottom of the switch rail. The utility model can meet the safety requirement and simultaneously reduce the curve radius of the telescopic regulator.
Description
Technical Field
The utility model relates to a small-radius I-shaped switch rail telescopic regulator.
Background
A rail expansion regulator is also called a temperature regulator and is equipment for regulating the expansion of a rail. The method is mainly applied to large-span steel beam bridges, bridge heads and sections of seamless lines where the expansion amount of steel rails needs to be adjusted; the expansion and contraction difference between the balance line and the bridge caused by temperature change and concrete shrinkage and creep releases the longitudinal stress in the track caused by temperature force and concrete shrinkage and creep.
In the prior art, a rail expansion adjuster interrupts a rail in a curve fitting mode between base rails without affecting the continuity of a driving surface, and mainly comprises relatively expandable switch rails, base rails, guide rail supports, fixed rail supports and the like. Many rail expansion and contraction regulators in China are fixed at the heel end of a switch rail, other areas of the switch rail are free sliding areas, the bending section of a stock rail is driven to expand outwards through the expansion and contraction of the switch rail, but the curve radius of the joint surface of the stock rail and the switch rail on the expansion and contraction regulator with the structure cannot be too small and is generally more than 300m, otherwise, the radius is too small, the length of the joint part of the stock rail and the switch rail can be reduced, the resistance received when the switch rail expands and contracts can be increased, the outward jacking force received by the stock rail can be increased, the abrasion of the switch rail is increased, the stock rail can be easily ejected outwards to deform and even overturn, but the improvement of some routes is difficult, and if the switch rail can be arranged in an environment with limited space, how to arrange the structure can be considered to meet the safety requirement of the rail expansion and contraction regulator under the condition of reducing the curve radius.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a small-radius I-shaped switch rail telescopic regulator, which is used for solving the technical problems that the curve radius of the binding surface of a stock rail and a switch rail is generally larger and the small-curve-radius telescopic regulator capable of meeting the safety requirement is lacked in a specific environment in the prior art.
A small radius I shape switch rail expansion adjuster, prop including switch rail, stock rail, backing plate subassembly, guide rail and fixed rail, the switch rail is whole all fixed with each backing plate subassembly, the fixed rail props including the switch rail fixed rail props, the switch rail web with pass through between the backing plate subassembly the switch rail fixed rail props fixed connection, the outside of the bending section of stock rail with be equipped with between the backing plate subassembly the guide rail props, the bottom of guide rail props is fixed on the backing plate subassembly, the upper portion edgewise top of guide rail props is in on the web of bending section, the switch rail be with the I rail processing of stock rail isomorph forms and highly is unanimous with the stock rail, the rail end of stock rail supports the rail end side of switch rail.
Preferably, the fixed rail brace further comprises a stock rail fixed rail brace, the inner side of the rail web of the conventional working section of the stock rail is provided with the stock rail fixed rail brace and the outer side is provided with the guide rail brace, the bottom of the stock rail fixed rail brace is fixed on the base plate assembly, and the upper part of the guide rail brace is propped from the side surface on the rail web of the bending section.
Preferably, a plurality of top irons are fixed on the rail web of the switch rail through bolts, and one end of each top iron abuts against the rail web of the bent section.
Preferably, a rigid buckle clamp is fixed on the bottom of the switch rail fixing rail brace through an anti-rotation bolt, the side face of the bottom of the switch rail is abutted against the side face of the bottom of the switch rail fixing rail brace, and the rigid buckle clamp is pressed on the top of the bottom of the switch rail.
Preferably, the height of the pressed part of the bottom of the switch rail is the same as the height of the bottom of the switch rail fixing rail brace, and the rigid buckle clamp is pressed on the bottom of the switch rail fixing rail brace at the same time.
Preferably, the bottoms of the fixed rail braces are welded on the base plate assembly.
The utility model has the following advantages: in the scheme, the switch rail is fixed, and simultaneously, the switch rail is abutted against the bending section of the stock rail through the rail head and the rail bottom, so that the abrasion of the switch rail and the outward-inclining pressure of the stock rail are reduced, and the curve radius can be reduced to be less than 300 m. The switch rails are integrally fixed, so that the vibration and abrasion of the switch rails caused by a train passing through the switch rails are reduced, and the service life of the switch rails is prolonged. Through the interaction of the top iron between the stock rail and the tongue rail web, and the fixation effect of the tongue rail fixing rail brace on the tongue rail web, the defect that the tongue rail is easier to deform due to the fact that the tongue rail web is higher than the tongue rail web of the conventional AT tongue rail in the scheme is avoided.
Drawings
Fig. 1 is a top view of a small radius i-shaped point rail expansion adjuster according to the present invention.
Fig. 2 is a cross-sectional view taken in the direction a-a of the structure shown in fig. 1.
Fig. 3 is a cross-sectional view in the direction B-B of the structure shown in fig. 1.
Fig. 4 is a cross-sectional view in the direction C-C of the structure shown in fig. 1.
Fig. 5 is a cross-sectional view in the direction D-D of the structure shown in fig. 1.
The labels in the figures are: 1. stock rail, 11, bending section, 12, conventional working section, 2, switch rail, 3, backing plate component, 4, guide rail brace, 5, switch rail fixing rail brace, 6, rigid buckle clamp, 7, stock rail fixing rail brace, 8 and top iron.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention by those skilled in the art.
As shown in fig. 1-5, the utility model provides a small-radius i-shaped switch rail expansion adjuster, which comprises a switch rail 2, a stock rail 1, a base plate component 3, a guide rail brace 4 and a fixed rail brace, the whole switch rail 2 is fixed with each backing plate component 3, the fixed rail brace comprises a switch rail fixed rail brace 5, the rail waist of the switch rail 2 is fixedly connected with the backing plate component 3 through the switch rail fixing rail brace 5, the guide rail brace 4 is arranged between the outer side of the bending section 11 of the stock rail 1 and the base plate component 3, the bottom of the guide rail brace 4 is fixed on the base plate component 3, the upper part of the guide rail brace 4 is propped against the rail web of the bending section 11 from the side surface, the switch rail 2 is formed by processing an I-shaped rail with the same type as the stock rail 1, the height of the I-shaped rail is consistent with that of the stock rail 1, and the rail bottom of the stock rail 1 abuts against the side face of the rail bottom of the switch rail 2.
The structure ensures that the bending section 11 of the stock rail 1 extends and retracts along a curve line and is restrained by the guide rail brace 4, so that the direction of the extension and retraction process is controllable, the outward pressing force of the switch rail 2 is reduced, the abrasion of the switch rail 2 and the outward tilting pressure of the stock rail 1 are reduced, on the other hand, because the switch rail 2 is processed by adopting a steel rail with the same type as the stock rail 1, the rail bottom is also abutted with the corresponding part of the switch rail 2 as the rail head, the pressure applied to the bending section 11 acts on the rail bottom and the rail head simultaneously, and the outward tilting deformation force of the rail head is relatively reduced, so that the bending radius of the bending section 11 can be further reduced on the premise of keeping the safety requirement, namely the curve radius can be reduced to be less than 300 m. The switch rail 2 is integrally fixed, so that the vibration and abrasion of the switch rail 2 caused by the train passing through the switch rail 2 are reduced, and the service life of the switch rail 2 is prolonged. The scheme is applied to the Hua is the project of the tramcar in the Songshan lake, and the total length of the iron bridge is 210m (50+110+ 50). The expansion bend inserts and changes the end and be located one side apart from bridge stiff end 160m, because the space that the transformation process left and to set up flexible regulator is limited, consequently need adopt this scheme to change the flexible regulator that the machine formed and just can satisfy the requirement.
The fixed rail brace further comprises a stock rail fixed rail brace 7, the inner side of the rail web of the conventional working section 12 of the stock rail 1 is provided with the stock rail fixed rail brace 7 and the outer side is provided with the guide rail brace 4, the bottom of the stock rail fixed rail brace 7 is fixed on the base plate component 3, and the upper part of the guide rail brace 4 is propped from the side surface on the rail web of the bending section 11. In this way, the conventional working section 12 can also stretch relative to the fixed switch rail 2, the guide rail brace 4 can also play a role in preventing the part of the rail from inclining outwards, and although the stock rail fixing rail brace 7 is different from the switch rail fixing rail brace 5 for directly fixing the part of the stock rail 1, the stock rail fixing rail brace 7 is matched with the guide rail brace 4 to clamp the conventional working section 12 to avoid the conventional working section 12 from moving and deforming sideward, so that the stability of the conventional working section 12 during the running of the train is effectively maintained.
A plurality of top irons 8 are fixed on the rail web of the switch rail 2 through bolts, and one end of each top iron 8 is abutted against the rail web of the bent section 11. Through 8 interact on the top iron between stock rail 1 and the web of point rail 2 like this, including the fixed action of point rail fixed rail brace 5 to the web of point rail 2, avoid in this scheme because of the 2 web of point rail compare the high defect of warping more easily of the high production of the web of point rail 2 of conventional AT point rail.
The bottoms of the fixed rail supports are welded on the backing plate component 3. The bottom of the switch rail fixing rail brace 5 is fixed with a rigid buckle clamp 6 through an anti-rotation bolt, the side surface of the bottom of the switch rail 2 abuts against the side surface of the bottom of the switch rail fixing rail brace 5, the rigid buckle clamp 6 is pressed on the bottom of the switch rail fixing rail brace 5 and the top surface of the bottom of the switch rail 2 at the same time, and the height of the pressed part of the bottom of the switch rail 2 is the same as that of the bottom of the switch rail fixing rail brace 5. The structure ensures the fixing effect of the switch rail fixing rail brace 5 on the rail bottom of the switch rail 2, so that the changed rail bottom of the switch rail 2 can be reliably fixed, and the phenomenon that the rail bottom of the switch rail 2 is not connected with the switch rail fixing rail brace 5 and is easy to move and deform is avoided.
Through above-mentioned this scheme of structure has further improved conventional working section 12, the tongue 2 web of rail and the rail end to stock rail 1 to and stock rail 1's bending section 11's supporting effect, improved the structural strength and the reliability of flexible regulator in this application scheme, the influence to the structure that makes stock rail 1 and the little radius structure of tongue 2 binding face bring further reduces, and the expansion bend radius of this project design is R100M. The overall length of the telescopic regulator is effectively shortened, the service life of the telescopic regulator is prolonged, and the safety requirement of the telescopic regulator in the technology is met.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various insubstantial modifications of the inventive concepts and solutions disclosed herein, or other applications in which the inventive concepts and solutions are directly applicable without such modifications, and is within the scope of the utility model.
Claims (6)
1. The utility model provides a small radius I shape switch rail regulator that stretches out and draws back which characterized in that: comprises a switch rail (2), a stock rail (1), a base plate component (3), a guide rail brace (4) and a fixed rail brace, the whole switch rail (2) is fixed with each backing plate component (3), the fixed rail brace comprises a switch rail fixed rail brace (5), the rail waist of the switch rail (2) is fixedly connected with the backing plate component (3) through the switch rail fixing rail brace (5), the guide rail support (4) is arranged between the outer side of the bending section (11) of the stock rail (1) and the base plate component (3), the bottom of the guide rail brace (4) is fixed on the base plate component (3), the upper part of the guide rail brace (4) is propped against the rail web of the bending section (11) from the side surface, the switch rail (2) is formed by processing an I-shaped rail with the same type as the stock rail (1) and has the same height as the stock rail (1), the rail bottom of the stock rail (1) is abutted against the rail bottom side surface of the switch rail (2).
2. A small radius i-shaped point rail expansion adjuster according to claim 1, wherein: the fixed rail brace further comprises a stock rail fixed rail brace (7), the inner side of the rail web of the conventional working section (12) of the stock rail (1) is provided with the stock rail fixed rail brace (7) and the outer side is provided with the guide rail brace (4), the bottom of the stock rail fixed rail brace (7) is fixed on the base plate component (3), and the upper part of the guide rail brace (4) is supported from the side surface on the rail web of the bending section (11).
3. A small radius i-shaped point rail expansion adjuster according to claim 1, wherein: a plurality of top irons (8) are fixed on the rail web of the switch rail (2) through bolts, and one end of each top iron (8) is abutted against the rail web of the corresponding bent section (11).
4. A small radius i-shaped point rail expansion adjuster according to claim 1, wherein: the bottom of the switch rail fixing rail brace (5) is fixed with a rigid buckle clamp (6) through an anti-rotation bolt, the rail bottom side surface of the switch rail (2) is abutted against the bottom side surface of the switch rail fixing rail brace (5), and the rigid buckle clamp (6) is pressed on the rail bottom of the switch rail (2).
5. A small radius I-shaped point rail expansion and contraction adjuster according to claim 4, wherein: the height of the pressed part of the rail bottom of the switch rail (2) is the same as the height of the bottom of the switch rail fixing rail brace (5), and the rigid buckle clamp (6) is pressed on the bottom of the switch rail fixing rail brace (5) at the same time.
6. A small radius i-shaped point rail expansion adjuster according to claim 1, wherein: the bottoms of the fixed rail supports are welded on the base plate component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122257702.6U CN216074542U (en) | 2021-09-17 | 2021-09-17 | Small-radius I-shaped switch rail telescopic regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122257702.6U CN216074542U (en) | 2021-09-17 | 2021-09-17 | Small-radius I-shaped switch rail telescopic regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216074542U true CN216074542U (en) | 2022-03-18 |
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ID=80677100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122257702.6U Active CN216074542U (en) | 2021-09-17 | 2021-09-17 | Small-radius I-shaped switch rail telescopic regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216074542U (en) |
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2021
- 2021-09-17 CN CN202122257702.6U patent/CN216074542U/en active Active
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