CN204199118U - A kind of lattice shape Crossties of glass fiber reinforced plastics - Google Patents
A kind of lattice shape Crossties of glass fiber reinforced plastics Download PDFInfo
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- CN204199118U CN204199118U CN201420643771.8U CN201420643771U CN204199118U CN 204199118 U CN204199118 U CN 204199118U CN 201420643771 U CN201420643771 U CN 201420643771U CN 204199118 U CN204199118 U CN 204199118U
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Abstract
The utility model discloses a kind of lattice shape Crossties of glass fiber reinforced plastics, comprise sleeper body (1) and be located at the end cap (2) at sleeper body (1) two ends, sleeper body (1) is the rectangular structure with lattice shape cavity (4), one side surface of end cap (2) is provided with lattice shape projection (22), end cap (2) and sleeper body (1) two ends tabling, and chimeric after lattice shape projection (22) and the lattice shape cavity (4) in sleeper body (1) are formed coordinate and close the two ends of sleeper body (1).The utility model has that good springiness, intensity are high, long service life, corrosion-resistant, handling ease, lightweight, lay advantages such as changing convenience, good insulation preformance.
Description
Technical field
The utility model belongs to railway engineering the realm of building construction, Crossties of glass fiber reinforced plastics that particularly relate to a kind of rail laying construction, that have Special-shaped structure.
Background technology
The sleeper used in current China railways line project is sleeper and concrete crosstie two kinds mainly, but concrete crosstie due to weight own excessive, install and change get up very inconvenient, therefore usually use sleeper at Special zone such as railroad bridge open bridge floors, wooden switch ties.Sleeper cost is low, good springiness, simple shape, handling ease, lightweight, lay change convenient, insulating properties are better.But the existing timber meeting dimensional requirement is fewer and feweri, and timber is not corrosion-resistant, usually needs through preservative treatment, and the chemical substance produced in processing procedure has certain harmfulness to environment.However, through antiseptic sleeper, application life still can up to about 15 years, if but flow of goods increasing, speed and carrying capacity improve, sleeper will be down to 8 ~ 10 years application life, and the cost of sleeper replacing is higher.
Because the woody body of conventional pillow exists the above-mentioned shortcoming being difficult to overcome, countries in the world all carry out alternative traditional sleeper in research and development by novel sleeper.Wherein, the advantage that the existing sleeper of glass fiber reinforced plastic sleeper is easily processed, there is again corrosion resistance, weatherability, fatigue durability and resistance to electric insulating quality, and itself do not need to carry out preservative treatment, decrease environment pollution, glass fiber reinforced plastic sleeper also has the application life of more than 50 years simultaneously, and it is compared sleeper and has the advantages such as stability is good, service life is long.
Have the synthesis wooden sleeper developing polyurethane abroad now, and carry out successful Application on high-speed railway, but the high Special Equipment of its need of production cost can carry out, in addition, its cost of raw material also remains high always, promotes slowly.And glass fiber reinforced plastics hollow sleeper is except possessing the advantage of polyurethane composite sleeper, also there is equipment requirement low, the advantages such as raw material sources is extensively easy to get, with low cost, recently caused the concern of people.Such as CN No. 102296494 Chinese patent literatures disclose the sleeper of one " ware " character form structure, which further reduces cost of production, but this technology is when being applied to the sleeper of larger height, easily cause unstability, structure stressed even not, its endurance and corrosion resistance need further raising.
Utility model content
Technical problem to be solved in the utility model is, overcome the deficiency and defect mentioned in above background technology, provide that a kind of good springiness, intensity are high, long service life, corrosion-resistant, handling ease, lightweight, lay and change lattice shape Crossties of glass fiber reinforced plastics that is convenient, good insulation preformance.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is a kind of lattice shape Crossties of glass fiber reinforced plastics, described Crossties of glass fiber reinforced plastics comprises sleeper body and is located at the end cap at sleeper body two ends, described sleeper body is the rectangular structure with lattice shape cavity, one side surface of described end cap is provided with lattice shape projection, described end cap and sleeper body two ends tabling, and chimeric after lattice shape projection and sleeper intrinsic lattice shape cavity are formed coordinate and close the two ends of sleeper body.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: described lattice shape cavity is a sphere of movements for the elephants shape hollow cavity, comprise the identical and cuboid hollow channel be arranged in parallel of four sizes be separated into, the lattice shape projection on described end cap is a sphere of movements for the elephants shape matrix projection matched with aforementioned sphere of movements for the elephants shape hollow cavity.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: four lateral edges of described cuboid hollow channel are four the column cambered surfaces formed after rounding, and from the cross section of sleeper body, radius of corner is 2 ~ 10mm.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: the sphere of movements for the elephants shape matrix projection on described end cap comprises four rectangular-shaped protrusion unit, and four protrusion unit are in symmetrical between two, the floor space of each protrusion unit is substantially identical with the cross section size of described cuboid hollow channel, and the thickness of described protrusion unit is 30mm ~ 100mm.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: described sphere of movements for the elephants shape matrix projection is arranged on the substrate of end cap, described substrate is rectangular-shaped, the floor space of described substrate is substantially identical with the cross section size of described sleeper body, the width of its cross section is preferably 200mm ~ 300mm, be highly 180mm ~ 250mm, and the thickness of described substrate is 10mm ~ 20mm.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: the thickness separating the cross partition of four described cuboid hollow channels is 8mm ~ 20mm, and the shell wall thickness being positioned at the described sleeper body outside lattice shape cavity is 8mm ~ 20mm.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: four lateral edges of described sleeper body are four the column cambered surfaces formed after rounding, and from the cross section of sleeper body, the radius of corner of four column cambered surfaces is 2 ~ 10mm.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: described end cap and the end of described sleeper body are that to connect (such as screw is riveted, bolt connection etc.) by glue bond and/or securing member chimeric in aggregates.When the end of end cap and sleeper body be closed by glue bond time, the position that end cap and sleeper body end surfaces externally and internally are fitted all needs gluing.When the end of end cap and sleeper body is by securing member connecting sealed, close after securing member is keyed at position of substrate in end cap and the outer casing end of sleeper body being fitted.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: the inside and outside surface of described Crossties of glass fiber reinforced plastics is coated with dual-component polyurethane waterproof coating.
Above-mentioned lattice shape Crossties of glass fiber reinforced plastics, preferred: the height of the cross section of described sleeper body is slightly less than the width of its cross section, and the size reduced is no more than 15% of cross-section width dimension.
Compared with prior art, the utility model has the advantage of:
1) Crossties of glass fiber reinforced plastics of the present utility model have employed lattice shape cavity body structure, and sleeper body and end cap adopt combined and spliced mode, this not only become mould simple, make easy to process, stress performance good, and can prevent the corrosion of rainwater etc., improves the application life of Crossties of glass fiber reinforced plastics;
2) pass through in the preferred scheme of the utility model to adopt sphere of movements for the elephants shape hollow cavity, not only significantly improve the defect such as existing conventional hollow cavity or stressed even, the easy unstability not of " ware " font hollow cavity, and it is convenient, simple to be processed into mould, cost of manufacture is lower, and intensity is high, good springiness; Its open cell type structure can also play good sound-absorbing, soundproof effect; Rigidity is little, has good vibration and noise reducing effect, and adds the comfortableness of passenger;
3) high, the long service life of Crossties of glass fiber reinforced plastics good springiness of the present utility model, intensity, corrosion-resistant, handling ease, lightweight, lay and change convenient, good insulation preformance;
4) Crossties of glass fiber reinforced plastics of the present utility model has more excellent mechanical property and decay resistance, not perishable under natural environment; Good weatherability, can at the strong region Long-Time Service of ultraviolet;
5) Crossties of glass fiber reinforced plastics of the present utility model has good resistant of high or low temperature, can under-40 DEG C to 70 DEG C environment Long-Time Service;
6) Crossties of glass fiber reinforced plastics of the present utility model has excellent insulating properties and fatigue performance;
7) Crossties of glass fiber reinforced plastics of the present utility model is easily processed, and can cut according to required punching or to its length; The continuous of the utility model Crossties of glass fiber reinforced plastics can be realized by pultrude process and produce in enormous quantities; And period expense is low, period expense is lower than sleeper (counting replacement cost in) and polyurethane foam composite sleeper.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional exploded view of lattice shape Crossties of glass fiber reinforced plastics in the utility model detailed description of the invention.
Fig. 2 is the perspective view of sleeper body in the utility model detailed description of the invention.
Fig. 3 is the front view of sleeper body in the utility model detailed description of the invention.
Fig. 4 is the lateral view of sleeper body in the utility model detailed description of the invention.
Fig. 5 is the front view of end cap in the utility model detailed description of the invention.
Fig. 6 is the lateral view of end cap in the utility model detailed description of the invention.
Marginal data
1, sleeper body; 2, end cap; 21, substrate; 22, lattice shape projection; 3, column cambered surface; 4, lattice shape cavity.
Detailed description of the invention
For the ease of understanding the utility model, hereafter will do to describe more comprehensively, meticulously to the utility model in conjunction with Figure of description and preferred embodiment, but protection domain of the present utility model is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or be communicated with on another element, also can be by other intermediate connectors indirectly fixing, affixed, connection or connection on another element.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit protection domain of the present utility model.
Embodiment 1:
One lattice shape Crossties of glass fiber reinforced plastics of the present utility model as shown in Fig. 1 ~ Fig. 6, comprise sleeper body 1 and the end cap 2 being located at sleeper body 1 two ends, sleeper body 1 is the rectangular structure with lattice shape cavity 4, one side surface of end cap 2 is provided with lattice shape projection 22, end cap 2 and sleeper body 1 two ends tabling, and chimeric after lattice shape projection 22 and the lattice shape cavity 4 in sleeper body 1 are formed coordinate and close the two ends of sleeper body 1.
As shown in Figure 2 to 4.In the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, lattice shape cavity 4 is a sphere of movements for the elephants shape hollow cavity, comprise four size shape being separated into close to the identical and cuboid hollow channel be arranged in parallel, four cuboid hollow channels are symmetrical between two, as shown in figures 5 and 6, the lattice shape projection 22 on end cap 2 is a sphere of movements for the elephants shape matrix projection matched with aforementioned sphere of movements for the elephants shape hollow cavity.Four lateral edges (inner corner trim) of aforementioned each cuboid hollow channel are four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, this radius of corner r is 3mm.Sphere of movements for the elephants shape matrix projection on end cap 2 comprises four rectangular-shaped protrusion unit, and four protrusion unit are in symmetrical between two, the floor space of each protrusion unit is substantially identical with the cross section size of cuboid hollow channel, and the thickness of protrusion unit is 50mm.Sphere of movements for the elephants shape matrix projection is arranged on the substrate 21 of end cap 2, substrate 21 is in rectangular-shaped, and the floor space of substrate 21 is substantially identical with the cross section size of sleeper body 1, and the width of its cross section is 200mm, be highly 190mm, and the thickness of substrate 21 is 15mm.
In the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, as shown in Figure 4, the thickness d separating the cross partition of four cuboid hollow channels is 14mm, namely the distance of the cuboid hollow channel in left side and the cuboid hollow channel on right side is 14mm, and the distance of the cuboid hollow channel of top and the cuboid hollow channel of below is also 14mm.In addition, be positioned at the shell of the sleeper body 1 outside lattice shape cavity 4, left and right sides wall thickness k is 17mm, and upper and lower both sides wall thickness k is 15mm.
As shown in Figure 4, four lateral edges (external corner) of the sleeper body 1 of the present embodiment are similarly four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, the radius of corner R of four column cambered surfaces 3 is 2mm.
In the present embodiment, end cap 2 is in aggregates by glue bond connected embedding with the end of sleeper body 1.Dual-component polyurethane waterproof coating is coated with on the inside and outside surface of Crossties of glass fiber reinforced plastics.
The sleeper body 1 of the present embodiment is is reinforcing material with continuous glass fibre, take epoxy resin as the glass fiber reinforced plastics composite material that matrix material is prepared from, the end cap 2 of the present embodiment is also is reinforcing material with continuous glass fibre, take epoxy resin as the glass fiber reinforced plastics composite material that matrix material is prepared from by mould pressing process.
Embodiment 2:
One lattice shape Crossties of glass fiber reinforced plastics of the present utility model as shown in Fig. 1 ~ Fig. 6, comprise sleeper body 1 and the end cap 2 being located at sleeper body 1 two ends, sleeper body 1 is the rectangular structure with lattice shape cavity 4, one side surface of end cap 2 is provided with lattice shape projection 22, end cap 2 and sleeper body 1 two ends tabling, and chimeric after lattice shape projection 22 and the lattice shape cavity 4 in sleeper body 1 are formed coordinate and close the two ends of sleeper body 1.
In the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, as shown in Figure 2 to 4, lattice shape cavity 4 is a sphere of movements for the elephants shape hollow cavity, comprise the identical and cuboid hollow channel be arranged in parallel of four size shape be separated into, four cuboid hollow channels are symmetrical between two, as shown in figures 5 and 6, the lattice shape projection 22 on end cap 2 is a sphere of movements for the elephants shape matrix projection matched with aforementioned sphere of movements for the elephants shape hollow cavity.Four lateral edges (inner corner trim) of aforementioned each cuboid hollow channel are four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, this radius of corner r is 5mm.Sphere of movements for the elephants shape matrix projection on end cap 2 comprises four rectangular-shaped protrusion unit, and four protrusion unit are in symmetrical between two, the floor space of each protrusion unit is substantially identical with the cross section size of cuboid hollow channel, and the thickness of protrusion unit is 60mm.Sphere of movements for the elephants shape matrix projection is arranged on the substrate 21 of end cap 2, substrate 21 is in rectangular-shaped, and the floor space of substrate 21 is substantially identical with the cross section size of sleeper body 1, and the width of its cross section is 230mm, be highly 200mm, and the thickness of substrate 21 is 13mm.
In the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, as shown in Figure 4, the thickness d separating the cross partition of four cuboid hollow channels is 15mm, namely the distance of the cuboid hollow channel in left side and the cuboid hollow channel on right side is 15mm, and the distance of the cuboid hollow channel of top and the cuboid hollow channel of below is also 15mm.In addition, be positioned at the shell of the sleeper body 1 outside lattice shape cavity 4, left and right sides wall thickness k is 20mm, and upper and lower both sides wall thickness k is 17mm.
As shown in Figure 4, four lateral edges (external corner) of the sleeper body 1 of the present embodiment are similarly four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, the radius of corner R of four column cambered surfaces 3 is 5mm.
In the present embodiment, end cap 2 and the end of sleeper body 1 be bolted chimeric in aggregates.Dual-component polyurethane waterproof coating is coated with on the inside and outside surface of Crossties of glass fiber reinforced plastics.
The sleeper body 1 of the present embodiment is is reinforcing material with continuous glass fibre, take vinylite as the glass fiber reinforced plastics composite material that matrix material is prepared from, the end cap 2 of the present embodiment is also is reinforcing material with continuous glass fibre, take vinylite as the glass fiber reinforced plastics composite material that matrix material is prepared from by mould pressing process.
Embodiment 3:
One lattice shape Crossties of glass fiber reinforced plastics of the present utility model as shown in Fig. 1 ~ Fig. 6, comprise sleeper body 1 and the end cap 2 being located at sleeper body 1 two ends, sleeper body 1 is the rectangular structure with lattice shape cavity 4, one side surface of end cap 2 is provided with lattice shape projection 22, end cap 2 and sleeper body 1 two ends tabling, and chimeric after lattice shape projection 22 and the lattice shape cavity 4 in sleeper body 1 are formed coordinate and close the two ends of sleeper body 1.
As shown in Figure 2 to 4, in the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, lattice shape cavity 4 is a sphere of movements for the elephants shape hollow cavity, comprise the identical and cuboid hollow channel be arranged in parallel of four size shape be separated into, four cuboid hollow channels are symmetrical between two, and the lattice shape projection 22 on end cap 2 is a sphere of movements for the elephants shape matrix projection matched with aforementioned sphere of movements for the elephants shape hollow cavity.Four lateral edges (inner corner trim) of aforementioned each cuboid hollow channel are four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, this radius of corner r is 4mm.Sphere of movements for the elephants shape matrix projection on end cap 2 comprises four rectangular-shaped protrusion unit, and four protrusion unit are in symmetrical between two, the floor space of each protrusion unit is substantially identical with the cross section size of cuboid hollow channel, and the thickness of protrusion unit is 55mm.Sphere of movements for the elephants shape matrix projection is arranged on the substrate 21 of end cap 2, substrate 21 is in rectangular-shaped, and the floor space of substrate 21 is substantially identical with the cross section size of sleeper body 1, and the width of its cross section is 240mm, be highly 230mm, and the thickness of substrate 21 is 17mm.
As shown in Figure 4, in the lattice shape Crossties of glass fiber reinforced plastics of the present embodiment, the thickness d separating the cross partition of four cuboid hollow channels is 10mm, namely the distance of the cuboid hollow channel in left side and the cuboid hollow channel on right side is 15mm, and the distance of the cuboid hollow channel of top and the cuboid hollow channel of below is also 15mm.In addition, be positioned at the shell of the sleeper body 1 outside lattice shape cavity 4, left and right sides wall thickness k is 18mm, and upper and lower both sides wall thickness k is 16mm.
As shown in Figure 4, four lateral edges (external corner) of the sleeper body 1 of the present embodiment are similarly four the column cambered surfaces 3 formed after rounding, and from the cross section of sleeper body 1, the radius of corner R of four column cambered surfaces 3 is 6mm.
In the present embodiment, end cap 2 and the end of sleeper body 1 are first chimeric in aggregates by being bolted connection after glue bond again.Dual-component polyurethane waterproof coating is coated with on the inside and outside surface of Crossties of glass fiber reinforced plastics.
The sleeper body 1 of the present embodiment is is reinforcing material with continuous glass fibre, take vinylite as the glass fiber reinforced plastics composite material that matrix material is prepared from, the end cap 2 of the present embodiment is also is reinforcing material with continuous glass fibre, take epoxy resin as the glass fiber reinforced plastics composite material that matrix material is prepared from by mould pressing process.
The lattice shape Crossties of glass fiber reinforced plastics of the various embodiments described above has following distinguishing feature and advantage: the lattice shape Crossties of glass fiber reinforced plastics of each embodiment be with the thermosetting resin such as epoxy resin or vinylite be matrix, continuous glass fibre is prepared from for reinforcing material, inside and outside surface all scribbles the excellent two component polyurethane varnish paint of one deck weatherability, this makes its life-span longer, and period expense is lower than sleeper (counting replacement cost in) and polyurethane foam glass fiber reinforced plastic sleeper; Not perishable under natural environment; Can under-40 DEG C to 70 DEG C environment Long-Time Service; Can at the strong region Long-Time Service of ultraviolet; There is excellent insulating properties and fatigue performance.The more important thing is, the lattice shape Crossties of glass fiber reinforced plastics of above-described embodiment has all done a large amount of improvement and optimization in structure, shape and size design etc., makes it have the incomparable damping property of other conventional sleepers; Open cell type structure special in above-described embodiment also serves good sound-absorbing, soundproof effect, and dimensional stability is better, and on-the-spotly can punch, locate conveniently, be convenient to processing, have extraordinary application life, service life is more than 50 years; Because structure is simple, symmetrical, also realize continuously and batch production by pultrude process, the modular design of end cover type prevents rainwater to the corrosion of sleeper.Above-mentioned Crossties of glass fiber reinforced plastics can be widely used in City Rail Transit System, railroad bridge, rail spur system etc., is particularly applicable to be laid on the Special zone such as railroad bridge open bridge floors, wooden switch tie.
Claims (10)
1. a lattice shape Crossties of glass fiber reinforced plastics, it is characterized in that: described Crossties of glass fiber reinforced plastics comprises sleeper body (1) and is located at the end cap (2) at sleeper body (1) two ends, described sleeper body (1) is the rectangular structure with lattice shape cavity (4), one side surface of described end cap (2) is provided with lattice shape projection (22), described end cap (2) and sleeper body (1) two ends tabling, and chimeric after lattice shape projection (22) and the lattice shape cavity (4) in sleeper body (1) are formed coordinate and close the two ends of sleeper body (1).
2. lattice shape Crossties of glass fiber reinforced plastics according to claim 1, it is characterized in that: described lattice shape cavity (4) is a sphere of movements for the elephants shape hollow cavity, comprise the identical and cuboid hollow channel be arranged in parallel of four sizes be separated into, the lattice shape projection (22) on described end cap (2) is a sphere of movements for the elephants shape matrix projection matched with aforementioned sphere of movements for the elephants shape hollow cavity.
3. lattice shape Crossties of glass fiber reinforced plastics according to claim 2, it is characterized in that: four lateral edges of described cuboid hollow channel are four the column cambered surfaces (3) formed after rounding, and from the cross section of sleeper body (1), radius of corner is 2 ~ 10mm.
4. lattice shape Crossties of glass fiber reinforced plastics according to claim 2, it is characterized in that: the sphere of movements for the elephants shape matrix projection on described end cap (2) comprises four rectangular-shaped protrusion unit, and four protrusion unit are in symmetrical between two, the floor space of each protrusion unit is substantially identical with the cross section size of described cuboid hollow channel, and the thickness of described protrusion unit is 30mm ~ 100mm.
5. lattice shape Crossties of glass fiber reinforced plastics according to claim 4, it is characterized in that: described sphere of movements for the elephants shape matrix projection is arranged on the substrate (21) of end cap (2), described substrate (21) is in rectangular-shaped, the floor space of described substrate (21) is substantially identical with the cross section size of described sleeper body (1), and the thickness of described substrate (21) is 10mm ~ 20mm.
6. lattice shape Crossties of glass fiber reinforced plastics according to claim 2, it is characterized in that: the thickness separating the cross partition of four described cuboid hollow channels is 8mm ~ 20mm, and the shell wall thickness being positioned at the described sleeper body (1) in lattice shape cavity (4) outside is 8mm ~ 20mm.
7. the lattice shape Crossties of glass fiber reinforced plastics according to any one of claim 1 ~ 6, it is characterized in that: four lateral edges of described sleeper body (1) are four the column cambered surfaces (3) formed after rounding, and from the cross section of sleeper body (1), the radius of corner of four column cambered surfaces (3) is 2 ~ 10mm.
8. the lattice shape Crossties of glass fiber reinforced plastics according to any one of claim 1 ~ 6, is characterized in that: the end of described end cap (2) and described sleeper body (1) be by glue bond and/or securing member connected embedding in aggregates.
9. the lattice shape Crossties of glass fiber reinforced plastics according to any one of claim 1 ~ 6, is characterized in that: the inside and outside surface of described Crossties of glass fiber reinforced plastics is coated with dual-component polyurethane waterproof coating.
10. the lattice shape Crossties of glass fiber reinforced plastics according to any one of claim 1 ~ 6, it is characterized in that: the height of the cross section of described sleeper body (1) is slightly less than the width of its cross section, and the size reduced is no more than 15% of cross-section width dimension.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420643771.8U CN204199118U (en) | 2014-10-30 | 2014-10-30 | A kind of lattice shape Crossties of glass fiber reinforced plastics |
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| CN201420643771.8U CN204199118U (en) | 2014-10-30 | 2014-10-30 | A kind of lattice shape Crossties of glass fiber reinforced plastics |
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| CN204199118U true CN204199118U (en) | 2015-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544313A (en) * | 2014-10-30 | 2016-05-04 | 株洲时代新材料科技股份有限公司 | Lattice-shaped glass fiber reinforced plastic rail sleeper |
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2014
- 2014-10-30 CN CN201420643771.8U patent/CN204199118U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544313A (en) * | 2014-10-30 | 2016-05-04 | 株洲时代新材料科技股份有限公司 | Lattice-shaped glass fiber reinforced plastic rail sleeper |
| CN105544313B (en) * | 2014-10-30 | 2017-04-19 | 株洲时代新材料科技股份有限公司 | Lattice-shaped glass fiber reinforced plastic rail sleeper |
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Granted publication date: 20150311 Effective date of abandoning: 20170419 |