CN204589724U - A kind of fiber reinforcement polyurethane composite material splice bar - Google Patents
A kind of fiber reinforcement polyurethane composite material splice bar Download PDFInfo
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- CN204589724U CN204589724U CN201520231238.5U CN201520231238U CN204589724U CN 204589724 U CN204589724 U CN 204589724U CN 201520231238 U CN201520231238 U CN 201520231238U CN 204589724 U CN204589724 U CN 204589724U
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- splice bar
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- cavity
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- 239000000835 fiber Substances 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 26
- 239000004814 polyurethane Substances 0.000 title claims abstract description 26
- 230000002787 reinforcement Effects 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 229920005749 polyurethane resin Polymers 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Moulding By Coating Moulds (AREA)
Abstract
The utility model provides a kind of fiber reinforcement polyurethane composite material splice bar, is installed on the both sides of rail, it is characterized in that by bolt, comprises splice bar main body and segmented steel backplate assembly; Described segmented steel backplate assembly comprises some steel backplates be separated from each other, and described steel backplate is provided with the through hole corresponding with described splice bar main body installing hole; Two described splice bars are installed on the both sides of described rail by described through hole and splice bar main body installing hole by described bolt respectively; Described splice bar main body near the web of the rail, the rail head bottom surface of one side shape and the described rail of described rail, flange of rail end face is corresponding fits, another side coordinates with described steel backplate; A cavity is at least comprised in described splice bar.The utility model product substantially increases splice bar reliability for insulation of track circuit in Long-Time Service process, substantially prolongs proof cycle, also greatly reduces the workload of maintain and replace.
Description
Technical field
The utility model relates to railway track accessory, particularly, relates to a kind of fiber reinforcement polyurethane composite material splice bar.
Background technology
Splice bar (rail joint clamping plate) is commonly called as clamping plate, plays connection function in track joint, is the conventional connection fittings of railway track.Traditional splice bar typically uses the casting of all steel material and forms, although have the advantages such as intensity height good rigidly, when its weight greatly, not corrosion-resistant, insulating properties are poor, variations in temperature is larger, the shortcoming such as easy fracture makes the splice bar of steel matter in use have certain accident risk.
" mechanical insulated joint " that traditional steel ones and insulating element form, mechanical insulated joint is made up of " insulating joint " steel fishtail clamping plate, insulation tube, track-end insulation and bolt.Rail track supervises train by track circuit take and leave on the circuit at interval or station, for train directly provides the train position that moves ahead required for operation, run front signal display and line condition etc. for information about, track circuit is one of foundation for security equipment indispensable on railway operation circuit.But because insulated part structure is comparatively weak, " joint " is fragile in longtime running, " mechanical insulated joint " must carry out twice seasonal overhaul every year, the insulating mount that removable parts are impaired, and regular maintenance is repaiied with " skylight " by patrolling and examining.The year maintenance cost of mechanical insulated joint reaches 1.2 ~ 1.5 hundred million RMB according to incompletely statistics.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of rail splice of fiber reinforcement polyurethane composite material.The utility model object forms " mechanical insulated joint " in order to alternative traditional steel ones and insulating element, and the splice bar with hollow structure made with fiber reinforcement polyurethane composite material can guarantee the stability of track circuit.
The utility model provides a kind of fiber reinforcement polyurethane composite material splice bar, is installed on the both sides of rail, it is characterized in that by bolt, comprises splice bar main body and segmented steel backplate assembly;
Described segmented steel backplate assembly comprises some steel backplates be separated from each other, and described steel backplate is provided with the through hole corresponding with described splice bar main body installing hole; Two described splice bars are installed on the both sides of described rail by described through hole and splice bar main body installing hole by described bolt respectively;
Described splice bar main body near the web of the rail, the rail head bottom surface of one side shape and the described rail of described rail, flange of rail end face is corresponding fits, another side coordinates with described steel backplate;
A cavity is at least comprised in described splice bar.
As a kind of embodiment, described splice bar main body is made up of fiber reinforcement polyurethane composite material.
As a kind of embodiment, in described splice bar main body, be arranged with 2 mutual disconnected first cavitys and the second cavity relative to some described installing holes; Described first cavity is all consistent with the length direction of described splice bar main body with the length direction of the second cavity.
As a kind of embodiment, be also provided with the 3rd cavity be communicated with some described installing holes between described first cavity and the second cavity, the length direction of described 3rd cavity is consistent with the length direction of described splice bar main body.
As a kind of embodiment, relative to the cavity being furnished with an annular centered by each installing hole in described splice bar main body.
As a kind of embodiment, between described steel backplate and nut, be provided with spring washer.
Compared with prior art, the utility model has following beneficial effect:
Splice bar main part of the present utility model all adopts fiber reinforcement polyurethane composite material to be a kind of high strength composite of insulation, adds steel backplate again, further increase the safety that rail connects in the outside of splice bar main body coupling.The utility model is contrary with traditional " mechanical insulated joint ", traditional " mechanical insulated joint " is the splice bar main body that have employed steel, recycling insulating bushing and plastics lining board make separation layer, thus realize the object of track circuit graded insulation, the utility model be there are high strength and good insulating properties simultaneously fiber reinforcement polyurethane composite material as the agent structure of splice bar, play humidification with steel backplate as auxiliary tool.The utility model devises new product structure, determines process and the technical data of product large-scale production.The utility model product substantially increases splice bar reliability for insulation of track circuit in Long-Time Service process, substantially prolongs proof cycle, also greatly reduces the workload of maintain and replace.The utility model product can be used for the fields such as high speed, general fast railway and urban track traffic.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, obviously, accompanying drawing in the following describes is only embodiments more of the present utility model, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In accompanying drawing:
Fig. 1 is a kind of traditional splice bar mounting structure schematic diagram;
Fig. 2 is that in embodiment, a kind of fiber reinforcement polyurethane composite material splice bar installs view;
Fig. 3 is that the splice bar of a kind of fiber reinforcement polyurethane composite material in embodiment installs overview.
In figure, shown label is:
101-M24 bolt, 102-plain cushion, 103-bullet pad, 104-nut, 105-insulate pipe pad, 106-groove typed insulation, 107-track-end insulation, 108-steel ones; 201-splice bar main body, 202-bolt, 203-segmented steel backplate assembly, 204-spring washer, 205-rail, 2051-rail head, the 2052-web of the rail, the 2053-flange of rail, 2061-first cavity, 2062-second cavity, 3-track-end insulation.
Detailed description of the invention
Hereafter in the mode of specific embodiment, the utility model is described in detail by reference to the accompanying drawings.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that the embodiment that can also use other, or the amendment on 26S Proteasome Structure and Function is carried out to the embodiment enumerated herein, and scope of the present utility model and essence can not be departed from.
In the embodiment of a kind of fiber reinforcement polyurethane composite material splice bar as shown in Figure 2 provided at the utility model, be installed on the both sides of rail 205 by bolt 202, comprise splice bar main body 201 and segmented steel backplate assembly 203.Described segmented steel backplate assembly 203 comprises some steel backplates be separated from each other, and described steel backplate is provided with the through hole corresponding with described splice bar main body 201 installing hole.Two described splice bars are installed on the both sides of described rail 205 by described through hole and splice bar main body 201 installing hole by described bolt 202 respectively;
Described splice bar main body 201 near the web of the rail 2052, rail head 2051 bottom surface of one side shape and the described rail 205 of described rail 205, the flange of rail 2053 end face is corresponding fits, another side coordinates with described steel backplate;
A cavity 206 is at least comprised in described splice bar.
As shown in Figure 2, splice bar top and bottom all with rail 205 contact, structure gap is only left when bolt 202 is tightened in itself and the described web of the rail 2052 joint place.As shown in Figure 3, splice bar main body 201 connects the connecting portion of two one steel rails 205, its molding surface size near rail 205 one side and rail 205 completely the same and be close to the side of rail 205.
Splice bar of the present utility model is when being fastenedly connected with rail 205, segmented steel backplate assembly 203 is devised between main body and clamp nut, the main stress bar of the rail 205 termination moment of having disperseed splice bar to connect, expand the splice bar main body 201 of fiber reinforcement polyurethane composite material making and the lifting surface area of securing member, improve the overall ability to bear of mounted splice bar to mechanical force.
First the design of cavity 206 is for reducing wall thickness, shortening the distance of being heated of material, improve shaping speed.Next is the following process amount for reducing product.The prerequisite that above-mentioned cavity 206 designs is the mechanical property ensureing product, and be foundation design with mechanical calculation book.
As a kind of embodiment, described splice bar main body 201 is made up of fiber reinforcement polyurethane composite material.
The present embodiment adopts fiber reinforcement polyurethane composite material to make splice bar main body 201 of the present utility model, gives full play to the effect of splice bar main body 201 integral insulation, ensures the safety of track circuit Long-Time Service.The orientation of carbon fiber arranges the mechanical strength further increasing product, adds the reliability of product.
As a kind of embodiment, described fiber reinforcement polyurethane composite material is configured by the cementing agent of 15-35 weight portion and the fiber reinforced material of 65-85 weight portion and forms;
Described cementing agent is polyurethane resin, and described fiber reinforced material comprises alkali-free glass fibre, is a kind of general alkali-free glass fibre.This polyurethane resin refers to the polyurethane resin used in the pultrusion molding process on ordinary meaning, selects available polyurethane resin can beyond all doubtly to determine in the art according to pultrude process.
As a kind of embodiment, described splice bar main body 201 is pultrusion under the shaping speed of the forming temperature of 120-170 DEG C and 0.3-0.6 m/min.The present embodiment have employed pultrude process method, and have developed a set of brand-new molding technology thereof parameter, achieve continuous seepage, the large-scale production for the utility model product provides technical foundation and equipment Foundations.
As a kind of embodiment, described splice bar main body 201 has the carbon fiber structural aligned.
As a kind of embodiment, in described splice bar main body 201, be arranged with 2 mutual disconnected first cavity 2061 and the second cavitys 2062 relative to some described installing holes; Described first cavity 2061 is all consistent with the length direction of described splice bar main body with the length direction of the second cavity 2062.
As a kind of embodiment, be also provided with the 3rd cavity be communicated with some described installing holes between described first cavity 2061 and the second cavity 2062, the length direction of described 3rd cavity is consistent with the length direction of described splice bar main body.
The present embodiment designs the structure of the hollows such as the first cavity 2061 and the second cavity 2062, effectively can shorten fiber reinforcement polyurethane composite material splice bar molding time, and hollow structure reduces wall thickness, thus also greatly increases production efficiency.The more important thing is, this cavity 206 decreases the condition that internal stress produces, and reduces the impact of internal stress, is conducive to the mechanical property of stable prod.
As a kind of embodiment, between described steel backplate and nut, be provided with spring washer 204.
Fiber reinforcement polyurethane composite material splice bar in the present embodiment is implemented to make according to the following steps;
1, the utility model product have employed pultrusion molding process technology, first will choose extruding equipment, Design and manufacture moulding form, and improve supporting facility and machine condition on this basis;
2, reinforcing material ratio: adopt fiber reinforced material, account for the 65-85% of product gross weight, described fiber reinforced material is specially alkali-free glass fibre;
3, cementing agent adopts polyurethane resin, and its usage ratio is the 15-35% of product gross weight;
4, main pultrusion molding process parameter: forming temperature 120-170 DEG C, shaping speed 0.3-0.6 m/min;
5, after completing above-mentioned work, directly on extruding equipment, carry out forming operation, obtain described splice bar main body 201.
The foregoing is only preferred embodiment of the present utility model, those skilled in the art know, when not departing from spirit and scope of the present utility model, can carry out various change or equivalent replacement to these characteristic sum embodiments.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material to these characteristic sum embodiments and spirit and scope of the present utility model can not be departed from.Therefore, the utility model is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into all belongs to protection domain of the present utility model.
Claims (6)
1. a fiber reinforcement polyurethane composite material splice bar, is installed on the both sides of rail, it is characterized in that by bolt, comprise splice bar main body and segmented steel backplate assembly;
Described segmented steel backplate assembly comprises some steel backplates be separated from each other, and described steel backplate is provided with the through hole corresponding with described splice bar main body installing hole; Two described splice bars are installed on the both sides of described rail by described through hole and splice bar main body installing hole by described bolt respectively;
Described splice bar main body near the web of the rail, the rail head bottom surface of one side shape and the described rail of described rail, flange of rail end face is corresponding fits, another side coordinates with described steel backplate;
A cavity is at least comprised in described splice bar.
2. a kind of fiber reinforcement polyurethane composite material splice bar according to claim 1, it is characterized in that, described splice bar main body is made up of fiber reinforcement polyurethane composite material.
3. a kind of fiber reinforcement polyurethane composite material splice bar according to claim 1, is characterized in that, is arranged with 2 mutual disconnected first cavitys and the second cavity in described splice bar main body relative to some described installing holes; Described first cavity is all consistent with the length direction of described splice bar main body with the length direction of the second cavity.
4. a kind of fiber reinforcement polyurethane composite material splice bar according to claim 3, it is characterized in that, also be provided with the 3rd cavity be communicated with some described installing holes between described first cavity and the second cavity, the length direction of described 3rd cavity is consistent with the length direction of described splice bar main body.
5. a kind of fiber reinforcement polyurethane composite material splice bar according to claim 1, is characterized in that, relative to the cavity being furnished with an annular centered by each installing hole in described splice bar main body.
6. a kind of fiber reinforcement polyurethane composite material splice bar according to claim 1, is characterized in that, be provided with spring washer between described steel backplate and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231238.5U CN204589724U (en) | 2015-04-16 | 2015-04-16 | A kind of fiber reinforcement polyurethane composite material splice bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231238.5U CN204589724U (en) | 2015-04-16 | 2015-04-16 | A kind of fiber reinforcement polyurethane composite material splice bar |
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| Publication Number | Publication Date |
|---|---|
| CN204589724U true CN204589724U (en) | 2015-08-26 |
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|---|---|---|---|
| CN201520231238.5U Active CN204589724U (en) | 2015-04-16 | 2015-04-16 | A kind of fiber reinforcement polyurethane composite material splice bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239973A (en) * | 2020-08-28 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Hinge type structure rail joint |
-
2015
- 2015-04-16 CN CN201520231238.5U patent/CN204589724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239973A (en) * | 2020-08-28 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Hinge type structure rail joint |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240105 Address after: 201800 room 1015, building 45, 1485 Jialuo Road, Juyuan New District, Jiading District, Shanghai Patentee after: SHANGHAI HIGH-SPEED RAIL ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee after: SHANGHAI RAILWAY ENGINEERING EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: Room 1040, Building 2, Lane 128, Liuli Central Road, Jiading District, Shanghai, 2018 Patentee before: SHANGHAI HIGH-SPEED RAIL ELECTRICAL TECHNOLOGY Co.,Ltd. |