CN211547096U - Meter-gauge railway fastener system for large ramp and small radius - Google Patents
Meter-gauge railway fastener system for large ramp and small radius Download PDFInfo
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- CN211547096U CN211547096U CN201921923054.XU CN201921923054U CN211547096U CN 211547096 U CN211547096 U CN 211547096U CN 201921923054 U CN201921923054 U CN 201921923054U CN 211547096 U CN211547096 U CN 211547096U
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- gauge
- bullet strip
- fastener system
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Abstract
The utility model discloses a meter gauge railway fastener system for big ramp, small radius, including baffle seat, gauge baffle, bullet strip, plain washer and spiral railway spike, the rail inslot is located to the baffle seat on the sleeper, gauge baffle both ends are supported respectively on baffle seat and rail, bullet strip is located on the gauge baffle, the plain washer is located on the bullet strip, the spiral railway spike passes in proper order behind plain washer, bullet strip and the gauge baffle and is connected with the sleeper anchor, baffle seat lower part is equipped with the arch, the arch is arranged in embedding gauge groove bottom recess, plain washer both sides are equipped with the edge of a wing, two the edge of a wing card is on bullet strip top. The utility model discloses a be equipped with the arch in the baffle seat lower part, in this protruding embedding support rail groove bottom recess to be equipped with the edge of a wing in plain washer both sides, two edge of a wing cards are on the bullet strip top, and this meter rail railway fastener system can bear the transverse force that the transmission of minor radius highway section train comes and prevent that the rail from vertically sliding better.
Description
Technical Field
The utility model relates to a railway rails spare part technical field, concretely relates to a meter gauge railway fastener system for big ramp, small radius.
Background
The meter gauge railway is generally suitable for mountain road sections with large slopes, small curve radiuses and many curves, however, currently, few meter gauge railways are built and operated domestically, and a technical standard system related to the meter gauge track structure design is not mature. The meter rail fastener system is used as an important part of a rail structure of the meter rail fastener system and is used for ensuring the connection between the steel rail and the supporting body and preventing the steel rail from longitudinally crawling and overturning.
Chinese utility model patent CN203475240U discloses a concrete sleeper elastic strip fastener for meter gauge, this fastener can be used to the gauge for 1000mm, and radius R is more than or equal to 250 m's curve and straight line track. However, under the conditions of a complex and difficult mountain area (the minimum radius is 250m, the maximum gradient is 25%) and high altitude, the following disadvantages are easy to exist:
1. the small-radius curve track is subjected to larger wheel-rail transverse force, the existing meter-rail fastener nylon baffle seat is easy to extrude and crack, the rail-gauge expansion caused by the lateral movement of the steel rail due to the damage of the sleeper retaining shoulder is difficult to ensure the normal geometric shape and position of the track structure, and the driving safety is influenced;
2. the problem of buckling pressure loss caused by loosening of the spiral spike of the conventional meter-gauge fastener is solved, the resistance of the fastener is reduced, and the steel rail creeping disease is easy to occur in a large slope section.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: in order to overcome the technical defects of the conventional meter gauge fastener when the conventional meter gauge fastener is used for a meter gauge railway with a large ramp and a small radius, the meter gauge railway fastener system for the large ramp and the small radius is provided, and the fastener system can better bear the transverse force transmitted by a train on a section with the small radius and prevent a steel rail from longitudinally sliding.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a meter gauge railway fastener system for big ramp, small radius, includes baffle seat, gauge apron, bullet strip, flat washer and spiral railway spike, the baffle seat is located the rail bearing inslot on the sleeper, gauge apron both ends support respectively on baffle seat and rail, the bullet strip is located on the gauge apron, the flat washer is located on the bullet strip, the spiral railway spike passes flat washer, bullet strip and gauge apron in proper order after be connected with the sleeper anchor, baffle seat lower part is equipped with the arch, the arch is arranged in embedding rail bearing groove bottom recess, the flat washer both sides are equipped with the edge of a wing, two the edge of a wing card is on bullet strip top.
The utility model discloses a be equipped with the arch in baffle seat lower part, the arch is used for imbedding in supporting rail groove bottom recess, and baffle seat back inclined plane supports on the sleeper fender shoulder during use, can bear and transmit horizontal force, and baffle seat lower part arch imbeds in supporting rail groove bottom recess, can effectively avoid causing the sleeper fender shoulder impaired and then lead to the gauge baffle lateral slip to break away from the normal position and the rail side moves the disease that causes gauge to enlarge because of horizontal force is too big; through be equipped with the edge of a wing in plain washer both sides, two the edge of a wing card is on the bullet strip top, and this plain washer closely laminates with bullet strip top during the use, and the both sides edge of a wing can restrict the deflection of bullet strip and spiral spike, makes the bullet strip be in the true position, and withhold force keeps in normal installation scope, and plain washer and bullet strip area of contact increase have reduced the stress concentration at contact site in addition, and then have promoted the bullet strip performance to avoid appearing the phenomenon that the rail crawled because of withholding force reduction in big sloping way section.
As the utility model discloses a preferred scheme, be equipped with the rail lower bolster in the support rail groove for separate rail and sleeper, produced high-speed vibration and impact when slowing down the vehicle and passing through the rail.
As the utility model discloses a preferred scheme is equipped with the increase backing plate under the rail between backing plate and rail for the adjustment rail height makes the rail keep at suitable height.
As the utility model discloses an optimal scheme, the support rail groove below is equipped with buried sleeve, buried sleeve's position is corresponding with spiral spike anchor position for realize that the anchor of spiral spike and sleeper is connected.
As the preferred scheme of the utility model, the rail underboarding is rubber slab or polyurethane board.
As the preferred scheme of the utility model, the heightening backing plate is a bamboo board or a wood board.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a be equipped with the arch in baffle seat lower part, the arch is used for imbedding in supporting rail groove bottom recess, and baffle seat back inclined plane supports on the sleeper fender shoulder during use, can bear and transmit horizontal force, and baffle seat lower part arch imbeds in supporting rail groove bottom recess, can effectively avoid causing the sleeper fender shoulder impaired and then lead to the gauge baffle lateral slip to break away from the normal position and the rail side moves the disease that causes gauge to enlarge because of horizontal force is too big; through be equipped with the edge of a wing in plain washer both sides, two the edge of a wing card is on the bullet strip top, and this plain washer closely laminates with bullet strip top during the use, and the both sides edge of a wing can restrict the deflection of bullet strip and spiral spike, makes the bullet strip be in the true position, and withhold force keeps in normal installation scope, and plain washer and bullet strip area of contact increase have reduced the stress concentration at contact site in addition, and then have promoted the bullet strip performance to avoid appearing the phenomenon that the rail crawled because of withholding force reduction in big sloping way section.
Drawings
Fig. 1 is a top view of the meter gauge railway fastener system for large ramps and small radii of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a perspective view of the meter gauge railway fastener system for large ramps and small radii of the present invention.
The labels in the figure are: 1-baffle seat, 11-bulge, 2-gauge baffle, 3-elastic strip, 4-flat washer, 41-flange, 5-spiral spike, 6-rail lower backing plate, 7-heightening backing plate, 8-embedded sleeve, 9-sleeper, 91-rail bearing groove, 92-groove and 93-shoulder.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
The embodiment provides a meter gauge railway fastener system for large ramps and small radii;
as shown in fig. 1-3, the meter gauge railway fastener system for large ramps and small radii in this embodiment includes a baffle seat 1, a gauge baffle 2, an elastic strip 3, a flat washer 4 and a spiral spike 5, where the baffle seat 1 is disposed in a rail supporting groove 91 on a sleeper 9, two ends of the gauge baffle 2 are respectively supported on the baffle seat 1 and a steel rail, the elastic strip 3 is disposed on the gauge baffle 2, the flat washer 4 is disposed on the elastic strip 3, the spiral spike 5 passes through the flat washer 4, the elastic strip 3 and the gauge baffle 2 in sequence and then is connected to the sleeper 9 in an anchoring manner, a protrusion 11 is disposed at a lower portion of the baffle seat 1, the protrusion 11 is used for being embedded into a groove 92 at the bottom of the rail supporting groove 91, flanges 41 are disposed at two sides of the flat washer 4, and the two flanges 41 are clamped on the top of the elastic strip 3.
The utility model discloses a be equipped with the arch in baffle seat lower part, the arch is used for imbedding in supporting rail groove bottom recess, and baffle seat back inclined plane supports on the sleeper fender shoulder during use, can bear and transmit horizontal force, and baffle seat lower part arch imbeds in supporting rail groove bottom recess, can effectively avoid causing the sleeper fender shoulder impaired and then lead to the gauge baffle lateral slip to break away from the normal position and the rail side moves the disease that causes gauge to enlarge because of horizontal force is too big; through be equipped with the edge of a wing in plain washer both sides, two the edge of a wing card is on the bullet strip top, and this plain washer closely laminates with bullet strip top during the use, and the both sides edge of a wing can restrict the deflection of bullet strip and spiral spike, makes the bullet strip be in the true position, and withhold force keeps in normal installation scope, and plain washer and bullet strip area of contact increase have reduced the stress concentration at contact site in addition, and then have promoted the bullet strip performance to avoid appearing the phenomenon that the rail crawled because of withholding force reduction in big sloping way section.
In this embodiment, a rail lower backing plate 6, specifically a rubber plate or a polyurethane plate, is disposed in the rail bearing groove 91 and is used for separating the rail from the sleeper and reducing high-speed vibration and impact generated when a vehicle passes through the rail.
In this embodiment, a height-adjusting base plate 7, specifically a bamboo plate or a wood plate, is disposed between the under-rail base plate 6 and the lower portion of the steel rail to adjust the height of the steel rail and maintain the steel rail at a proper height. The rail surface height adjustment amount is 10mm, the adjustment level is 1mm, and the rail surface height adjustment is realized by filling the height adjustment base plate.
In this embodiment, an embedded sleeve 8 is arranged below the rail supporting groove 91, and the position of the embedded sleeve 8 corresponds to the anchoring position of the screw spike 5, so as to realize the anchoring connection between the screw spike and the sleeper. The pulling resistance of the embedded sleeve in the concrete sleeper is more than or equal to 60 kN.
In the embodiment, the back inclined plane of the baffle seat 1 is supported on the sleeper shoulder 93 and can bear and transmit horizontal force, and the back inclined plane of the baffle seat 1 and the sleeper shoulder 93 are provided with matched slopes, preferably the slope is 1: 20; and the lower part of the baffle seat 1 and the bottom of the rail bearing groove 91 are correspondingly provided with a matched bulge 11 and a matched groove 92. The flat gasket 4 is of a rectangular structure, the two flanges 41 are oppositely arranged on two sides of the flat gasket 4, the distance between the two flanges is matched with the size of the top of the elastic strip, the bottom of the flat gasket is tightly attached to the top of the elastic strip when the flat gasket is installed, and the two flanges are just clamped on two sides of the top of the elastic strip, so that the contact area between the flat gasket and the elastic strip is increased, the deflection of the elastic strip and the spiral track nail is limited, and the elastic strip is located at the correct position.
The meter gauge railway fastener system in the embodiment is an elastic non-separating fastener, the initial fastening pressure of a single elastic strip is more than or equal to 8kN, the longitudinal resistance of the steel rail of each group of fastener nodes is more than or equal to 11kN, the track gauge adjustment amount is-12 mm to +12mm, the adjustment level is 2mm, the track gauge adjustment is realized by moving a track gauge baffle with a long circular hole, the static rigidity of the fastener nodes is 60 to 80kN/mm, the dynamic-static ratio is less than 1.5, and the fastener pass through 3 × 106After the secondary cyclic load, parts of the fastener are not damaged, the track gauge expansion amount is less than or equal to 6mm, and the static rigidity change rate of the assembled fastener after the fatigue test is less than or equal to 25 percent; the resistance between two rails is more than or equal to 3k omega.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the principles of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a meter gauge railway fastener system for big ramp, small radius, includes baffle seat, gauge apron, bullet strip, flat washer and spiral spike, the baffle seat is located the rail bearing inslot on the sleeper, gauge apron both ends support respectively on baffle seat and rail, the bullet strip is located on the gauge apron, the flat washer is located on the bullet strip, the spiral spike passes flat washer, bullet strip and gauge apron in proper order after be connected with the sleeper anchor, its characterized in that, baffle seat lower part is equipped with the arch, the arch is arranged in embedding rail bearing groove bottom recess, flat washer both sides are equipped with the flange, two the flange card is on the bullet strip top.
2. A meter gauge railway fastener system for large ramps and small radii according to claim 1 wherein a rail shoe is provided in the rail receiving channel for spacing the rail from the tie.
3. A meter gauge railway fastener system for large ramps and small radii according to claim 2 wherein an elevation pad is provided between the rail lower pad and the rail for adjusting rail height.
4. The fastener system for a large-slope small-radius metric-rail railway according to any one of claims 1 to 3, wherein a pre-buried sleeve is arranged below the rail bearing groove, and the position of the pre-buried sleeve corresponds to the anchoring position of the screw spike.
5. A meter gauge railway fastener system for large ramps, small radii according to claim 2 or 3, wherein the under-rail backing plate is a rubber plate or a polyurethane plate.
6. A meter gauge railway fastener system for large ramps, small radii according to claim 3 wherein the heightening bolster is a bamboo or wood panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923054.XU CN211547096U (en) | 2019-11-08 | 2019-11-08 | Meter-gauge railway fastener system for large ramp and small radius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923054.XU CN211547096U (en) | 2019-11-08 | 2019-11-08 | Meter-gauge railway fastener system for large ramp and small radius |
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| Publication Number | Publication Date |
|---|---|
| CN211547096U true CN211547096U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921923054.XU Active CN211547096U (en) | 2019-11-08 | 2019-11-08 | Meter-gauge railway fastener system for large ramp and small radius |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013418A (en) * | 2022-06-21 | 2022-09-06 | 中铁隆昌铁路器材有限公司 | Anti-loosening gasket suitable for fastener system and mounting method thereof |
-
2019
- 2019-11-08 CN CN201921923054.XU patent/CN211547096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013418A (en) * | 2022-06-21 | 2022-09-06 | 中铁隆昌铁路器材有限公司 | Anti-loosening gasket suitable for fastener system and mounting method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220427 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. Address before: No.99, jinfenghuang Avenue, Jinniu District, Chengdu, Sichuan 610081 Patentee before: SICHUAN TIECHUANG TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |