CN210013063U - Railway flexible guard rail device - Google Patents
Railway flexible guard rail device Download PDFInfo
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- CN210013063U CN210013063U CN201920468434.2U CN201920468434U CN210013063U CN 210013063 U CN210013063 U CN 210013063U CN 201920468434 U CN201920468434 U CN 201920468434U CN 210013063 U CN210013063 U CN 210013063U
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Abstract
The utility model discloses a flexible guardrail device of railway, including a plurality of support, every the support is the cantilever structure, every support one end is connected the rail, the other end is connected the guardrail. Application a flexible guardrail device of railway, will the guardrail set up in the rail outside, avoided the equipment of the inboard installation of rail, but the while accurate determination the guardrail with the interval set up the size between the rail, reinforcing track structural stability prevents the derailment of train set, this guardrail device simple structure, simple to operate, respond well.
Description
Technical Field
The utility model relates to a track traffic field, in particular to flexible guardrail device of railway and design method thereof.
Background
The existing railway track needs to be provided with the guard rail device in some high-risk track sections for preventing the derailment of the wheels of the motor train unit, for example, in high-risk track sections such as bridges, long and large tunnels, high embankments, small-radius curves and long and large ramps, the existing guard rail device is almost arranged on the inner side of the railway steel rail, but along with the installation of more and more devices (such as electrical equipment, signal equipment and the like) on the inner side of the steel rail, the installation space of the guard rail device on the inner side of the steel rail is limited, and even the guard rail device is difficult to install, and a new guard rail device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problem that exists among the prior art, current guardrail device almost all sets up in the railway rail inboard promptly, but along with more and more equipment fixing in the rail inboard, the inboard guardrail device's of rail installation space is limited, is difficult to the above-mentioned not enough of installation even, provides a flexible guardrail device of railway and design method thereof.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a method of designing a flexible guard rail assembly for a railway, the guard rail assembly comprising a guard rail located outside a rail, the distance X between the guard rail and the rail being determined by the equation:
wherein X is the design distance between the guard rail and the steel rail, QUOTE
The average value of the distance between the guard rail and the steel rail is shown, D is the rim width, L is the rail head width of the steel rail, D is the flange thickness, sigma is the mean square error, and N is the guarantee coefficient.
Adopt a design method of flexible guardrail device of railway, will the guardrail set up in the rail outside, this kind of design method still belongs to the initiative, has avoided the equipment of the inboard installation of rail, simultaneously the guardrail with interval X between the rail calculates out the average value QUOTE who finds the distance between guardrail and the rail according to wheel rail parameter rim width D, rail railhead width L, the thick D of rim under different track sections and different conditions
Meanwhile, deviation is calculated and analyzed by means of the mean square error of the statistical principle, and then different guarantee coefficients N are selected from a specific flexible guard rail device laying section to accurately calculate the design value of the X value of the section, so that derailment of the wheels of the motor train unit can be effectively prevented.
Preferably, when the guard rail device is arranged in the sections of bridges, small-radius curves, high embankments, long and large ramps, long and large tunnels and the like, the value of X is determined according to the wheel rail parameters of the set section, the functions of preventing the derailment of the wheels of the motor train unit, improving the longitudinal and transverse rigidity and enhancing the stability of the rail structure and reducing the workload of maintenance work are achieved, the wheels of the motor train unit are not contacted with the flexible rail guard device under the normal working condition, only when the wheels of the motor train unit are under the abnormal working condition and the wheels of the motor train unit tend to climb up the steel rail, the outer side of the wheel rim of the motor train unit is contacted with the flexible rail protection device, the flexible rail protection device shares a part of transverse force of the motor train unit wheels acting on the steel rail, so that the derailment coefficient of the wheels is reduced, meanwhile, the flexible rail protection device guides the wheels under abnormal working conditions to recover to a normal running track, and the function of preventing the wheels of the motor train unit from derailing is achieved.
Preferably, the error of the two X values at two adjacent seats connecting the guard rails is 0-5 mm.
Preferably, the distance Y of the top of the upper edge of the guard rail above the top surface of the steel rail is determined by the following equation:
y is the design distance that the top of the upper edge of the guard rail is higher than the top surface of the steel rail, and H1H is the wheel rim height, △ L is the distance from the outer end of the wheel to the top surface of the rail, △ H is the vertical wear of the rail, △ s is the vertical wear of the wheel tread, H is the effective height of the guard rail to prevent derailment2The maximum value is required for the bounds.
The design distance Y that the top of the upper edge of the guard rail of the flexible guard rail device of the railway is higher than the top surface of the steel rail is the effective height H for preventing the guard rail from falling off under different track sections and different conditions1The height h of the wheel rim, the distance △ L from the outer end of the wheel to the top surface of the steel rail, the vertical abrasion △ h of the steel rail and the vertical abrasion △ s of the wheel tread are calculated, and the rail climbing (jumping) derailment phenomenon under the condition of load shedding (or suspension) of the wheels of the motor train unit can be effectively preventedTherefore, the method is simple and easy to operate.
By adopting the railway flexible guard rail device, the edge of the working edge of the guard rail is higher than the top surface Y of the steel rail, and when the motor train unit wheel climbs (jumps) the rail under the deloading (or suspension) working condition, the height of the motor train unit wheel climbing (or jumping) the rail must exceed the effective height H of the flexible guard rail device1Derailment is possible, and the derailment studied at present does not exceed H1The condition happens, so that the accident that the wheels of the motor train unit climb (or jump) the rails and get off the line can be effectively prevented.
The utility model also provides a flexible guardrail device of railway adopts as above arbitrary the design method manufacturing of flexible guardrail device of railway, including a plurality of support, every the support is the cantilever structure spare, every support one end is connected the rail, the other end is connected the guardrail.
The distance X between the guard rail and the steel rail is set according to the length of a large (rail entering section) → a small (fixed section) → a large (rail exiting section).
Adopt a flexible guardrail device of railway, will the guardrail set up in the rail outside, avoided the equipment of the inboard installation of rail, but the while accuracy is confirmed the guardrail with the interval set up the size between the rail, prevent derailment of train set, improve track structure and indulge transverse rigidity reinforcing stability, reduce track work maintenance work load, this guardrail device simple structure, simple to operate, respond well.
Preferably, the guard rail device further comprises a plurality of pressing plates, each pressing plate corresponds to one support, each pressing plate is connected with the corresponding support through bolts, and the supports are clamped on the steel rail.
Preferably, insulation sheets are arranged between the support and the steel rail and between the pressing plate and the steel rail.
Preferably, a rubber sleeve is arranged between the guard rail and the support.
By adopting the structure, the rubber sleeve can enable the guard rail to have a buffering effect when the outer side of the wheel rim contacts with the guard rail, so that the impact load of the wheel on the guard rail under the adverse working condition is buffered, and the service life of the guard rail is prolonged.
Preferably, the rubber sleeve has different grade thicknesses of the front working surface and the rear working surface, so that the value of X can be conveniently adjusted.
Preferably, the guard rail is connected to the support by a bolt.
Preferably, the side surface of the support is provided with a vibration isolation pad.
Preferably, the distance X between the guard rail and the steel rail is 41-60 mm.
Preferably, on the long and large ramp track, the side surface of the support is tightly attached to the sleeper to prevent the steel rail from longitudinally creeping.
Preferably, the support is arranged between two adjacent sleepers on rails such as an overhead bridge, a small-radius curve, a high embankment, a long tunnel and the like.
Preferably, after the rail protection device is installed, the track structure is a frame structure formed by two steel rails and the rail protection device, before the rail protection device is installed, the track structure is mainly a frame structure formed by two steel rails, after the rail protection device is installed, the capacity of resisting the transverse deformation of the track is improved by 41.4%, namely the rigidity of the track structure is improved, and the stability of the track structure is enhanced, so that the damage of a motor train unit to the track is reduced, and the maintenance workload of track work is reduced.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. application a design method of flexible guardrail device of railway, will the guardrail set up in the rail outside, this kind of design method still belongs to the initiative, has avoided the equipment of rail inboard installation, simultaneously the guardrail with interval X between the rail calculates out the average value QUOTE who finds the distance between guardrail and the rail according to wheel rail parameter rim width D, rail railhead width L, the thick D of rim under different track sections and different conditions
Meanwhile, deviation is calculated and analyzed by means of the mean square error of the statistical principle, and then different guarantee coefficients N are selected from a specific flexible guard rail device laying section to accurately calculate the design value of the X value of the section, so that derailment of the wheels of the motor train unit can be effectively prevented;
2. by applying the design method of the railway flexible guard rail device, when the guard rail device is arranged in the sections such as a bridge, a high embankment, a long ramp, a long tunnel and the like, the value of X is determined according to the wheel-rail parameters of the set section, so that the functions of preventing derailment of wheels of the motor train unit, improving the longitudinal and transverse rigidity of the track structure, enhancing the stability and reducing the workload of maintenance work are achieved;
3. by applying the design method of the railway flexible guard rail device, the design distance Y that the top of the upper edge of the guard rail is higher than the top surface of the steel rail can effectively prevent the rail climbing (jumping) derailment accident under the condition of unloading (or suspension) of the wheels of the motor train unit;
4. by applying the flexible rail protection device for the railway, the rail protection device is arranged outside the steel rail, equipment arranged inside the steel rail is avoided, meanwhile, the setting size of the space between the rail protection device and the steel rail can be accurately determined, derailment of a train set is prevented, the longitudinal and transverse rigidity of a track structure is improved, the stability is enhanced, the maintenance workload of the track work is reduced, and the rail protection device is simple in structure, convenient to install and good in effect;
5. by applying the flexible guard rail device for the railway, a rubber sleeve is arranged between the guard rail and the support, and the rubber sleeve can have a buffering effect when the rubber sleeve is in contact with the guard rail outside a wheel rim, so that the impact load of a wheel on the guard rail under an adverse working condition is buffered, and the service life of the guard rail is prolonged;
6. application a flexible guardrail device of railway, the grade thickness of two working faces is different around the rubber sleeve, is convenient for the adjustment of the value of X.
Drawings
Fig. 1 is a schematic structural view of a railway flexible guard rail device according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of the support;
FIG. 4 is a schematic structural view of the rubber sleeve;
FIG. 5 is a schematic plan view of the support seat attached to the sleeper;
fig. 6 is a schematic plan view of the support between two sleepers.
The labels in the figure are: 1-guard rail, 2-steel rail, 3-support, 4-pressing plate, 5-insulating plate, 6-rubber sleeve, 7-vibration isolation pad and 8-sleeper.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-6, the design method of a flexible guard rail device for railway according to the present invention, the guard rail device comprises a guard rail 1, the guard rail 1 is located outside a steel rail 2, a distance X between the guard rail 1 and the steel rail 2 and a distance Y between the guard rail 1 and an upper edge of the guard rail 1, the top of which is higher than the top surface of the steel rail 2, are determined by the following equation:
wherein X is the design distance between the guard rail 1 and the steel rail 2, QUOTE
The average value of the distance between the guard rail 1 and the steel rail 2, D is the rim width, L is the rail head width of the steel rail 2, D is the rim thickness, sigma is the mean square error, N is a guarantee coefficient, Y is the design distance that the top of the upper edge of the guard rail 1 is higher than the top surface of the steel rail 2, and H is1H is the wheel rim height, △ L is the distance from the outer end of the wheel to the top surface of the steel rail 2, △ H is the vertical abrasion of the steel rail 2, △ s is the vertical abrasion of the wheel tread, H is the effective height of the guard rail 1 for preventing derailment2Maximum value required for bounds; and the errors of the two X values at the two adjacent supports 3 connected with the guard rail 1 are 0-5 mm.
As a preferable scheme of this embodiment, when the guard rail device is arranged in a section such as a bridge, a small radius curve, a high embankment, a long and large ramp, a long and large tunnel, and the like, the value of X is determined according to the wheel rail parameters of the section, so as to prevent derailment of wheels of a motor train unit, improve longitudinal and transverse rigidity of a track structure, enhance stability, and reduce workload of maintenance work.
Application a design method of flexible guardrail device of railway, will guardrail 1 set up in the 2 outsides of rail, this kind of design method still belongs to the initiative, has avoided the equipment of 2 inboard installations of rail, simultaneously guardrail 1 with interval X between rail 2 calculates out the average value QUOTE who follows the distance between guardrail 1 and rail 2 according to wheel rail parameter rim width D, rail railhead width L, the thick D of rim under different track sections and different conditions Meanwhile, deviation is calculated and analyzed by means of the mean square error of the statistical principle, and then different guarantee coefficients N are selected from a specific flexible guard rail device laying section to accurately calculate the design value of the X value of the section, so that derailment of the wheels of the motor train unit can be effectively prevented.
Example 2
As shown in fig. 1 to 6, the flexible guard rail device for railways according to the present invention is designed and manufactured by the design method of the flexible guard rail device for railways according to embodiment 1.
This guardrail device includes a plurality of support 3 and a plurality of clamp plate 4, every 3 supports are the cantilever structure, every 4 clamp plates correspond one 3 supports, every 4 bolted connection of clamp plate correspond 3 supports will 3 supports joint in on the rail 2, support 3 with between the rail 2 clamp plate 4 with all be equipped with insulating piece 5 between the rail 2, rail 2 sets up on sleeper 8.
The distance X between the guard rail 1 and the steel rail 2 is set according to the length of a large (rail entering section) → a small (fixed section) → a large (rail exiting section), the distance X between the guard rail 1 and the steel rail 2 is 41-60mm, and the two guard rails 1 are connected through a fishplate.
The side surface of the support 3 is provided with a vibration isolation pad 7; on a long and large ramp track, the side surface of the support 3 is tightly attached to a sleeper 8 to prevent the steel rail 2 from longitudinally creeping; on the rails such as an overhead bridge, a small-radius curve, a high embankment, a long tunnel and the like, the support 3 is arranged between two adjacent sleepers 8.
Application a flexible guardrail device of railway, will guardrail 1 set up in the 2 outsides of rail, avoided the equipment of 2 inboard installations of rail, simultaneously can the accurate determination guardrail 1 with the setting up of interval between rail 2 is big or small, prevents the derailment of train set, improves track structure longitudinal and transverse rigidity reinforcing stability, reduces track work maintenance work load, this guardrail device simple structure, simple to operate, respond well.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The flexible rail protection device for the railway is characterized by comprising a rail protection device (1) and a plurality of supports (3), wherein the rail protection device (1) is located on the outer side of a steel rail (2), the distance between the rail protection device (1) and the steel rail (2) is X, each support (3) is a cantilever structural member, one end of each support (3) is connected with the steel rail (2), and the other end of each support is connected with the rail protection device (1).
2. The railway flexible guard rail device according to claim 1, characterized by further comprising a plurality of pressure plates (4), wherein each pressure plate (4) corresponds to one support (3), each pressure plate (4) is connected with the corresponding support (3) through bolts, and the supports (3) are clamped on the steel rail (2).
3. Flexible guard rail device according to claim 2, characterized in that between the support (3) and the rail (2) and between the pressure plate (4) and the rail (2) there is an insulating sheet (5).
4. A railway flexible guard rail device according to claim 1, characterized in that a rubber sleeve (6) is provided between the guard rail (1) and the abutment (3).
5. A railway flexible guard rail device according to claim 4, characterized in that the rubber sleeve (6) has different grade thickness on the front and rear working faces.
6. A railway flexible guard rail device according to claim 1, characterized in that the support (3) is provided with vibration insulators (7) on its sides.
7. A railway flexible guard rail device according to claim 1, characterized in that the said support (3) is mounted on the long and large ramp track with its side abutting the sleeper (8).
8. A flexible guard rail device for railway according to claim 1, characterized in that said support (3) is installed between two adjacent sleepers (8) on the tracks of overhead bridges, small radius curves, high embankments, long and large tunnels, etc.
9. Railway flexible guard rail device according to claim 1, characterized in that the guard rail (1) is bolted to the seat (3).
10. A railway flexible guard rail device according to any one of claims 1-9, characterized in that the distance X between the guard rail (1) and the steel rail (2) is 41-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468434.2U CN210013063U (en) | 2019-04-08 | 2019-04-08 | Railway flexible guard rail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468434.2U CN210013063U (en) | 2019-04-08 | 2019-04-08 | Railway flexible guard rail device |
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| Publication Number | Publication Date |
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| CN210013063U true CN210013063U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920468434.2U Active CN210013063U (en) | 2019-04-08 | 2019-04-08 | Railway flexible guard rail device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863064A (en) * | 2021-10-27 | 2021-12-31 | 安徽中志轨道交通装备制造有限公司 | Small-radius curve guard rail connecting assembly and connecting method thereof |
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2019
- 2019-04-08 CN CN201920468434.2U patent/CN210013063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863064A (en) * | 2021-10-27 | 2021-12-31 | 安徽中志轨道交通装备制造有限公司 | Small-radius curve guard rail connecting assembly and connecting method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: No. 508, 5th floor, building 6, No. 666, jinfenghuang Avenue, Jinniu high tech Industrial Park, Chengdu, Sichuan 610000 Patentee after: Sichuan tietuo Technology Co.,Ltd. Patentee after: Chengdu tiekelian Rail Transit Technology Co., Ltd Address before: No.99, jinfenghuang Avenue, Jinniu District, Chengdu, Sichuan 610081 Patentee before: SICHUAN TIECHUANG TECHNOLOGY Co.,Ltd. Patentee before: Chengdu tiekelian Rail Transit Technology Co., Ltd |
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| TR01 | Transfer of patent right |