CN101289826B - Crossties of glass fiber reinforced plastics and producing method thereof - Google Patents
Crossties of glass fiber reinforced plastics and producing method thereof Download PDFInfo
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- CN101289826B CN101289826B CN2007100655696A CN200710065569A CN101289826B CN 101289826 B CN101289826 B CN 101289826B CN 2007100655696 A CN2007100655696 A CN 2007100655696A CN 200710065569 A CN200710065569 A CN 200710065569A CN 101289826 B CN101289826 B CN 101289826B
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Abstract
The invention relates to a glass steel sleeper and a method for manufacturing the same. The glass steel sleeper is of a hollow shell body formed by glass steel laminated cloth plates, wherein the hollow part of the glass steel sleeper is filled with insulated fillers with a certain strength; the upper surface of the glass steel sleeper is provided with two support rail grooves, and sizes of two support rail grooves and the distance between two support rail grooves correspond to sizes of bottom parts of steel rails laid and the distance between steel rails laid. The invention overcomes the defect of known technique, and the strength of the glass steel sleeper is much higher than that of the concrete sleeper, and the elasticity and the insulation property of the glass steel sleeper are much better than those of the wooden sleeper, and no secondary insulation is necessary, thereby ensuring the safe operation of a train; the glass steel sleeper is good in elasticity, thereby reducing the vibration of road bed and the noise pollution when the train runs; moreover, the glass steel sleeper and the method for manufacturing the same also have the advantages of simple manufacturing, easy forming, short production cycle, wide application range, easy disposal of waste sleepers and reutilization of embedded parts and fillers.
Description
Technical field
The present invention relates to a kind of sleeper that is used for rail track, particularly a kind of Crossties of glass fiber reinforced plastics and manufacture method thereof.
Background technology
Known prestressed reinforced concrete sleeper is because its abundant raw materials, be easy to guarantee manufactured size, be convenient to prefabricated in enormous quantities, quality is big, the life-span is long, and can improve the stability of track, help the laying of gapless track, therefore the extensive a large amount of use that in China and world's railroad track, obtains.But, also there is following drawback in prestressed reinforced concrete sleeper, because poor flexibility, rigidity is big, and difficult processing of the useless pillow of most concrete, and value is not high yet, in a single day concrete sleeper lost efficacy and abandoned, therefore must become thick rubbish, can cause pollution, at present this technical measures of making waste materials of non-processor still worldwide environment.
What at present trunk railway lines adopted mostly is rail and supporting concrete track structure, and its rail, concrete sleeper quality are big, and this heavy track structure increases orbit rigidity, can produce following adverse influence:
(1) when orbit rigidity is big, small flat scar or uneven is arranged on wheel tread or the rail surface, can increase the mutual dynamic action between the wheel track, for rolling stock, excessive impact force can cause rolling stock traveling portion, especially the hurt of axle box etc., and the performance of running stability of rolling stock; For track structure, this excessive frequent percussion can make the pulverization rate speed of ballast aggregate increase, and plate knot of ballast bed causes the damage of concrete crosstie, and the ride comfort of track worsens, and then increases the maintenance work and economic input of track.
(2) vibration that produces during train operation and noise increase, and have worsened the living environment of railway periphery, and be especially also more and more obvious by the railway influence in city, rural area and historic site, ancient building area.
(3) excessive orbit rigidity all can produce in various degree influence to special locations such as the bridges and culverts on the existing railway line, tunnel, ballast aggregate and city rail, subways.
In addition, because the insulating properties of concrete sleeper self are generally poor, so concrete crosstie in use also need carry out two minor insulation, and particularly in electrified circuit, insulating properties requires higher.The investment of production equipment that concrete crosstie requires is bigger, and the production cycle is long, and in process of production, and the noise pollution that workshop and surrounding enviroment are caused influences bigger.Particularly for the sleeper of particular design, the redesign of model and to produce the required time cycle long.
The inventor is according to the experience and knowledge of being engaged in this area work for many years, for overcoming the above-mentioned defective that above-mentioned concrete sleeper exists, address the above problem from material and structure,, develop Crossties of glass fiber reinforced plastics of the present invention and manufacture method thereof finally through arduous research and development.
Summary of the invention
The technical problem to be solved in the present invention is: for overcome that the insulating properties that above-mentioned concrete sleeper exists are poor, elasticity is little defective, provide a kind of intensity height, good insulation preformance, elasticity and ageing resistace good Crossties of glass fiber reinforced plastics and manufacture method thereof, well solved vibration effect and noise pollution that the train operation effect produces special location such as bridge, tunnel, track switch, subway, city rail.
For this reason, the hollow housing of the Crossties of glass fiber reinforced plastics that the present invention proposes for being made of the frp layer presser foot is filled with the insulation filler with certain intensity at the cavity of described Crossties of glass fiber reinforced plastics; The upper surface of described Crossties of glass fiber reinforced plastics is provided with two rail support grooves, and the size of described rail support groove, spacing and auxilliary spacing and flange of rail size of establishing rail are corresponding.
The manufacture method of above-mentioned Crossties of glass fiber reinforced plastics may further comprise the steps:
A, making sleeper mould;
B, in described mould location rail support groove built-in fitting;
C, in described mould with the frp layer presser foot make above the described sleeper, sidewall and end wall;
D, a plurality of vertical floors are set at interval along the length of sleeper direction;
E, fill insulation filler at the cavity of sleeper with certain intensity;
F, making sleeper bottom surface form one with this bottom surface compacting and described sleeper sidewall, end wall.
Characteristics of the present invention and advantage are:
Crossties of glass fiber reinforced plastics of the present invention, overcome the defective of known concrete sleeper, the advantage of having gathered available coagulation soil sleeper and wooden sleeper, has the intensity and the elasticity and the insulating properties that are much higher than wooden sleeper higher than concrete sleeper, need not in the use to carry out two minor insulation, guaranteed the safe operation of train.The good springiness of described Crossties of glass fiber reinforced plastics has reduced in the train driving to the vibration effect of roadbed with to the noise pollution of environment, and is particularly particularly outstanding in this advantages of special location such as bridge, tunnel, track switch, subway, city rails.
Crossties of glass fiber reinforced plastics of the present invention also has to be made simply, is easy to moulding, with short production cycle, can produce special Crossties of glass fiber reinforced plastics according to different designing requirements, advantage applied widely.In addition, the useless pillow of Crossties of glass fiber reinforced plastics of the present invention is easy to handle, and it gives embedded part and filler also has reusable value.
Description of drawings
Fig. 1 is the generalized section of Crossties of glass fiber reinforced plastics of the present invention;
Fig. 2 is the schematic top plan view of Crossties of glass fiber reinforced plastics of the present invention;
Fig. 3 is the schematic side view of Crossties of glass fiber reinforced plastics of the present invention;
Fig. 3 A is the local enlarged diagram at I place among Fig. 3;
Fig. 4 is that built-in fitting master of the present invention looks schematic diagram;
Fig. 5 is the schematic top plan view of built-in fitting of the present invention;
Fig. 6 is the schematic side view of built-in fitting of the present invention.
The specific embodiment
For having clear more to feature, the effect of Crossties of glass fiber reinforced plastics of the present invention and manufacture method thereof and the technical purpose that will reach and comprehensively understand, below conjunction with figs. and specific embodiment the specific embodiment of the present invention is described in further detail.The glass fiber reinforced plastic that the present invention is alleged, that is: glass fiber reinforced plastics.
As Fig. 1-shown in Figure 3, the Crossties of glass fiber reinforced plastics 10 that the present invention proposes, constitute hollow housing 1 by the frp layer presser foot, cavity at described Crossties of glass fiber reinforced plastics is filled with the insulation filler 2 with certain intensity, to improve the globality and the insulating properties of Crossties of glass fiber reinforced plastics, described insulation filler 2 for example can adopt the dry sand and the mixture of resin, or the mixture of quartz sand and resin etc.The upper surface of described Crossties of glass fiber reinforced plastics 10 is provided with two rail support grooves 11, and the size of described rail support groove 11 is corresponding with auxilliary rail flange of rail size of establishing, and the spacing M between two rail support grooves 11 matches with the rail gauge.And in described rail support groove 11, be fixed with rail support groove built-in fitting 4.
In described Crossties of glass fiber reinforced plastics 10, be provided with a plurality of floors 3, each floor 3 is provided with at interval along the length L direction of described Crossties of glass fiber reinforced plastics 10, because the main stressed position of sleeper is three section parts under rail and in the rail, therefore be provided with two floors 3 at least in the bottom of described each rail support groove 11, between two rail support grooves, be provided with at least one floor 3.In the present embodiment, as shown in Figure 1, be provided with three floors 3 to improve the intensity of this part in the bottom of described rail support groove 11.The sidewall of described floor 3 and sleeper 10, toply be connected, to increase the intensity of Crossties of glass fiber reinforced plastics with the bottom surface.Described floor 3 is the metal panel, is provided with the fixture 31 that is made of the frp layer presser foot in the both sides of this floor 3, and the two side of this fixture 31 and described Crossties of glass fiber reinforced plastics, top and bottom surface are fixed as one.
In addition, be further to improve the bulk strength of Crossties of glass fiber reinforced plastics 10 of the present invention, in the frp layer presser foot at the both ends of described length of sleeper direction, floor 3 be set all.
As Fig. 4-shown in Figure 6, described built-in fitting 4 has a base plate 41 that matches with rail support groove 11, all sides of described base plate 41 are provided with a plurality of cat's paws 42,43, the bottom of base plate 41 is provided with anchoring piece 44, described cat's paw 42,43 is mounted in the frp layer presser foot around the described rail support groove 11, and the bottom surface that described anchoring piece 44 passes described rail support groove 11 is anchored in the insulation filler 2 that for example is made of the mixture of the mixture of quartz sand and resin or sand and resin in the described housing 1.
Described anchoring piece 44 is the U font, and its both upper ends thereof and base plate 41 fix.For the anchoring piece 44 that strengthens cat's paw 42,43 and the anchoring strength between frp layer presser foot or the insulation filler 2, be equipped with groove or projection on described cat's paw 42,43 and anchoring piece 44, for example this cat's paw 42,43 and anchoring piece 44 all can be made of indented bars.
The manufacture method of above-mentioned Crossties of glass fiber reinforced plastics 10 of the present invention may further comprise the steps:
A, making sleeper mould; For ease of the sleeper demoulding, on the surface of described mould, be coated with release agent;
B, in described mould location rail support groove built-in fitting 4;
C, make the frp layer presser foot by known glass fiber reinforced plastic process for making in described film tool, this frp layer presser foot constitutes top 13, the sidewall and the end wall 12 of described sleeper 10;
D, a plurality of vertical floors 3 are set at interval along the length of sleeper direction;
E, fill insulation filler 2 with certain intensity at the cavity of sleeper, as the mixture of sand or quartz sand and resin, and with its make firm by ramming, compacting;
F, make sleeper bottom surface 14, with template these bottom surface 14 compactings and described sleeper sidewall, end wall 12 are formed one again, and the bottom surface is pressed into corrugated, with the friction between increase and the railway roadbed according to known glass fiber reinforced plastic process for making.
For improving the bonding strength between described bottom surface 14 and sleeper sidewall, the end wall 12, the form mutual extrusion of the frp layer presser foot wedge shape overlap joint that the front and back sidewall 15 that forms among the step C and end wall 12 are drawn together.
At described step D, described a plurality of floors 3 perpendicular to described length of sleeper setting, are provided with at least one floor 3 between two rail support grooves; In the position of the described rail support groove built-in fitting 4 of correspondence two floors 3 are set at least, also can be provided with a plurality ofly as required, as shown in Figure 1, promptly be provided with three floors 3, to improve the sleeper intensity at carrying rails place.Described floor 3 is the metal panel, and fixes this floor 3 by the frp layer presser foot in both sides as fixture 31, and an end of this fixture 31 and top 13 and sidewall of two sides and described Crossties of glass fiber reinforced plastics are fixed as one.
Because the periphery of Crossties of glass fiber reinforced plastics 10 of the present invention is a beaer, for guaranteeing its bulk strength, in the frp layer presser foot of the end walls 12 of described length of sleeper direction, also be provided with floor 3.
In the manufacturing process of the sleeper bottom surface 14 of described step F, the other end and the described sleeper bottom surface 14 with described frp layer presser foot fixture 31 is combined as a whole simultaneously.
In addition, as shown in Figure 3A, described sleeper bottom surface 14 is a transition circle arc angle about 30mm forming radius R between length direction and the two side, concentrates with the stress that reduces described sleeper 10 bottoms, improves the intensity of sleeper.
Because the place major part of sleeper groundwork is that environment is abominable, the influence that is subjected to foreign material such as soda acid is big, therefore Crossties of glass fiber reinforced plastics of the present invention is in manufacture process, at described Crossties of glass fiber reinforced plastics surface-coated gel coating resin, with further reinforcing glass steel tie chemical-resistance, ageing-resistant performance, weatherability etc., improve application life.
Crossties of glass fiber reinforced plastics 10 of the present invention is owing to be a simply supported beam form in actual working state, rail down and the stressed maximum of sleeper mid portion, and maximum is drawn, compressive stress mainly is on sleeper, soffit 13,14, therefore the present invention adopts periphery to be beaer, core is the form of structure of inserts, promptly, the housing 1 of sleeper 10 adopts the intensity height with certain thickness (being generally 30mm) as mentioned above, good insulation preformance, the frp layer presser foot of good springiness, and the stressed very little part in sleeper the center for example sand of available drying and the mixture of resin, or the mixture of quartz sand and resin is filled, and it is made firm by ramming, compacting, when guaranteeing its insulating properties, improve the globality of rail; Built-in fitting 41 is set in the rail support groove 11, this built-in fitting 41 for example can adopt iron material to form, the cat's paw 42 of built-in fitting periphery, 43 can be to constitute with base plate 41 one, be economical with materials, be convenient to make and weld described cat's paw 42 at the periphery of described base plate 41,43, weld described anchoring piece 44 in the bottom surface of base plate 41, this cat's paw 42,43 can be long by 2～5cm, diameter is that the indented bars of Φ 6～Φ 8 constitutes, it is embedded in the frp layer presser foot of sleeper upper surface, described anchoring piece 44 can be formed by the U type indented bars of Φ 20 or Φ 22, it is anchored in the filling mixture of frp layer presser foot and centre, this built-in fitting 4 is fixed as one with described sleeper.
The above only is specific embodiments of the invention, but can not limits scope of the invention process with this, i.e. equivalent variations and the modification of doing according to the present patent application claim and description generally all should still belong in the scope that patent of the present invention contains.
Claims (13)
1. Crossties of glass fiber reinforced plastics is characterized in that: the hollow housing of described Crossties of glass fiber reinforced plastics for being made of the frp layer presser foot is filled with the insulation filler with certain intensity at the cavity of described Crossties of glass fiber reinforced plastics; The upper surface of described Crossties of glass fiber reinforced plastics is provided with two rail support grooves, the size of described rail support groove, spacing and auxilliary spacing and flange of rail size of establishing rail are corresponding, and be provided with a plurality of floors in the described Crossties of glass fiber reinforced plastics, the sidewall of described floor and sleeper, toply be connected, to increase the intensity and the globality of Crossties of glass fiber reinforced plastics with the bottom surface.
2. Crossties of glass fiber reinforced plastics as claimed in claim 1 is characterized in that: described a plurality of floors are provided with at interval along the length direction of described Crossties of glass fiber reinforced plastics, and are provided with two floors at least in the bottom of described each rail support groove.
3. Crossties of glass fiber reinforced plastics as claimed in claim 1, it is characterized in that: described floor is the metal panel, be provided with the fixture that constitutes by the frp layer presser foot in the both sides of this floor, and the two side of this fixture and described Crossties of glass fiber reinforced plastics, top and bottom surface are fixed as one.
4. Crossties of glass fiber reinforced plastics as claimed in claim 1 is characterized in that: described insulation filler is the mixture of sand and resin, or the mixture of quartz sand and resin.
5. as each described Crossties of glass fiber reinforced plastics of claim 1 to 4, it is characterized in that: be fixed with the rail support groove built-in fitting in the described rail support groove.
6. Crossties of glass fiber reinforced plastics as claimed in claim 5, it is characterized in that: described rail support groove built-in fitting has a base plate that matches with rail support groove, all sides of described base plate are provided with a plurality of cat's paws, the bottom of base plate is provided with anchoring piece, described cat's paw is mounted in the described rail support groove frp layer presser foot on every side, and described anchoring piece passes described rail support groove bottom surface and is anchored in the interior insulation filler of described housing.
7. as each described Crossties of glass fiber reinforced plastics of claim 1 to 4, it is characterized in that: the bottom surface of described Crossties of glass fiber reinforced plastics is pressed into corrugated, with the friction between increase and the railway roadbed.
8. the manufacture method of a Crossties of glass fiber reinforced plastics may further comprise the steps:
A, making sleeper mould;
B, in described mould location rail support groove built-in fitting;
C, in described mould with the frp layer presser foot make above the described sleeper, sidewall and end wall;
D, a plurality of vertical floors are set at interval along the length of sleeper direction;
E, fill insulation filler at the cavity of sleeper with certain intensity;
F, making sleeper bottom surface form one with this bottom surface compacting and described sleeper sidewall, end wall.
9. the manufacture method of Crossties of glass fiber reinforced plastics as claimed in claim 8, it is characterized in that: at described step D, with described a plurality of floors perpendicular to described length of sleeper setting, in the position of the described rail support groove built-in fitting of correspondence two floors are set at least, described floor is the metal panel, and fix this floor in both sides as fixture with the frp layer presser foot, an end of this fixture and the top and sidewall of two sides and described Crossties of glass fiber reinforced plastics are fixed as one.
10. the manufacture method of Crossties of glass fiber reinforced plastics as claimed in claim 9 is characterized in that: in described step F, the other end and the described sleeper bottom surface of described frp layer presser foot fixture is combined as a whole.
11. the manufacture method of Crossties of glass fiber reinforced plastics as claimed in claim 10 is characterized in that: described sleeper bottom surface is a transition circle arc angle about 30mm forming radius between length direction and the two sides.
12. the manufacture method of Crossties of glass fiber reinforced plastics as claimed in claim 8 is characterized in that: the insulation filler described in the step e is the mixture of sand and resin or the mixture of quartz sand and resin, and with its make firm by ramming repeatedly, compacting.
13. the manufacture method as each described Crossties of glass fiber reinforced plastics of claim 8 to 12 is characterized in that: further being included in described Crossties of glass fiber reinforced plastics surface-coated has gel coating resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100655696A CN101289826B (en) | 2007-04-17 | 2007-04-17 | Crossties of glass fiber reinforced plastics and producing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100655696A CN101289826B (en) | 2007-04-17 | 2007-04-17 | Crossties of glass fiber reinforced plastics and producing method thereof |
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| Publication Number | Publication Date |
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| CN101289826A CN101289826A (en) | 2008-10-22 |
| CN101289826B true CN101289826B (en) | 2011-01-26 |
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| CN2007100655696A Active CN101289826B (en) | 2007-04-17 | 2007-04-17 | Crossties of glass fiber reinforced plastics and producing method thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759898B (en) * | 2010-01-04 | 2012-03-21 | 江苏嘉景复合材料有限公司 | Glass fiber composite sleeper and manufacturing method thereof |
| CN102658594B (en) * | 2012-05-22 | 2014-05-14 | 北京盘天新技术有限公司 | Composite sleeper of prestressed glass reinforced concrete and manufacturing method thereof |
| CN103612402B (en) * | 2013-10-29 | 2016-06-08 | 山东双一科技股份有限公司 | There is the built-in fitting localization method of threaded hole |
| CN103952949B (en) * | 2014-05-21 | 2015-09-23 | 张锡祥 | FRP frame type concrete sleeper |
| CN104762851B (en) * | 2015-04-16 | 2016-03-30 | 上海高铁电气科技有限公司 | A kind of composite material sleeper with insulation shirt rim |
| CN109817412A (en) * | 2017-11-21 | 2019-05-28 | 株洲电力机车广缘科技有限责任公司 | A kind of insulation shell and its processing method for electric power electric transformer |
| CN108589436B (en) | 2018-05-31 | 2020-01-10 | 中国铁道科学研究院铁道建筑研究所 | Fiber reinforced prestressed reinforced concrete sleeper |
| GB2582779A (en) * | 2019-04-02 | 2020-10-07 | Oxford Plastic Sys Ltd | Railway sleeper |
-
2007
- 2007-04-17 CN CN2007100655696A patent/CN101289826B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| JP平9-316801AA 1997.12.09 |
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