CN109162155A - A kind of large size fiddles with track structure of the coke oven with siding track - Google Patents
A kind of large size fiddles with track structure of the coke oven with siding track Download PDFInfo
- Publication number
- CN109162155A CN109162155A CN201811230648.2A CN201811230648A CN109162155A CN 109162155 A CN109162155 A CN 109162155A CN 201811230648 A CN201811230648 A CN 201811230648A CN 109162155 A CN109162155 A CN 109162155A
- Authority
- CN
- China
- Prior art keywords
- backing plate
- main orbit
- siding track
- track
- siding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000571 coke Substances 0.000 title claims abstract description 22
- 239000004677 Nylon Substances 0.000 claims abstract description 41
- 229920001778 nylon Polymers 0.000 claims abstract description 41
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- 229910000679 solder Inorganic materials 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 4
- 239000003755 preservative agent Substances 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000004484 Briquette Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 210000000569 greater omentum Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
- E01B23/14—Fastening or joining means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The present invention relates to a kind of large sizes to fiddle with track structure of the coke oven with siding track, including main orbit, main orbit fastener, siding track, siding track fastener, main orbit base plate, embedded foundation bracket, main orbit fastener base plate, main orbit rubber nylon backing plate, main orbit backing plate group, siding track fastener base plate, siding track rubber nylon backing plate, siding track backing plate group and siding track base plate.The siding track is two, is symmetricly set on the two sides of main orbit；The main orbit rubber nylon backing plate and main orbit backing plate group are along main orbit laying length direction continuous laying；The siding track rubber nylon backing plate and siding track backing plate group are along siding track laying length direction continuous laying.The beneficial effect is that: it can solve the problems, such as that enormous impact force is generated when the work of SCP machine causes rail clip failure to be even broken, and meets SCP machine to rail safety and required precision, reduces maintenance time and cost, raise labour productivity.
Description
Technical field
The present invention relates to a kind of track structures of coking technology field, fiddle with coke oven band side more particularly, to a kind of large size
The track structure of rail.
Background technique
Tamping coal-charging coke pusher (hereinafter referred to as SCP machine) uses rail engineering truck technology, is large stamping coke oven engineering
In common transporting equipment, be responsible for completing the coalingging of the big volume carbonization chamber of coke oven, briquette is made firm by ramming and coke is released carbonization chamber
Work.Currently, the track of SCP machine walking generallys use conventional railway technology, and as bifilar monorail structure, track foundation pad
Plate is generally using traditional form at interval of a distance setting cross track sleeper.Since SCP machine will when fiddling with briquette
Huge impact force can be generated to track, and gets over near-ambient temperature height apart from coke oven, and working condition is complicated, therefore, frequently results in
Rail clip failure, it could even be possible to the danger of track fracture occurs, maintenance maintenance frequency is high, the time is long, at high cost, serious shadow
Sound fiddles with coking production working properly, is no longer satisfied enormous impact force and precision and performance that SCP machine applies track
Requirement.
Summary of the invention
To overcome prior art defect, the technical problem to be solved by the present invention is to provide a kind of large sizes to fiddle with coke oven band siding track
Track structure, can solve the problems, such as SCP machine work when generate enormous impact force cause rail clip failure even be broken, meet
SCP machine reduces maintenance time and cost, raises labour productivity to rail safety and required precision.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of large size fiddles with track structure of the coke oven with siding track, including main orbit, main orbit fastener, siding track, siding track
Road fastener, main orbit base plate, embedded foundation bracket, main orbit fastener base plate, main orbit rubber nylon backing plate, main orbit backing plate
Group, siding track fastener base plate, siding track rubber nylon backing plate, siding track backing plate group and siding track base plate, which is characterized in that institute
Main orbit is stated to be arranged on main orbit base plate, between be laid with main orbit rubber nylon backing plate and main orbit backing plate group, pass through master
Rail clip and main orbit fastener base plate fix main orbit, main orbit base plate and embedded foundation bracket；The siding track is
Two, be symmetricly set on the siding track base plate of main orbit two sides, between be laid with siding track nylon rubber backing plate and siding track
Backing plate group is fixed siding track, siding track base plate and embedded foundation bracket by siding track fastener and siding track fastener base plate.
The main orbit rubber nylon backing plate and main orbit backing plate group are along main orbit laying length direction continuous laying；It is described
Siding track rubber nylon backing plate and siding track backing plate group are along siding track laying length direction continuous laying；The track of requirement of engineering is long
Degree solidify section L by several substantially and forms, the length is 34000mm, clearance delta L between two basic solidification section L for 18~
22mm。
The main orbit backing plate group is by the basic backing plate t8 of main orbit, the basic backing plate t4 of main orbit, the basic backing plate t3 of main orbit
The tune that the basic backing plate group and main orbit adjustment pad t7 of composition, main orbit adjustment pad t5, main orbit adjustment pad t2 are constituted
Whole backing plate group composition, wherein the thickness of basic each backing plate of backing plate group is 8mm, 4mm, 3mm, the thickness of each backing plate of adjusting pad board group respectively
Degree is 7mm, 5mm, 2mm respectively, and the quantity of adjusting pad board group is the 10% of basic backing plate group quantity；The adjusting pad board group according to
The error of main orbit base plate and main orbit upper surface replaces basic backing plate group.
The siding track backing plate group is by siding track backing plate t5, siding track backing plate t4, siding track backing plate t3 and siding track backing plate
T2 composition, thickness is respectively 5mm, 4mm, 3mm and 2mm.
The main orbit rubber nylon backing plate, the basic backing plate t8 of main orbit, main orbit adjustment pad t7 and siding track rubber
Glue nylon back plate, siding track backing plate t5 unit length L1 be 2265mm, between two L1 clearance delta L1 be 2~3mm, Mei Geji
The sum of Δ L1≤25mm on this solidification segment length L；The basic backing plate t4 of the main orbit, the basic backing plate t3 of main orbit, main orbit tune
The unit of whole backing plate t5, main orbit adjustment pad t2 and siding track backing plate t4, siding track backing plate t3 and siding track backing plate t2 are long
Spending L2 is 1130, and clearance delta L2 is 4~5mm between two L2, the sum of Δ L2≤25mm on each basic solidification segment length L.
The clearance delta L1, clearance delta L2 are not arranged at the solder joint of main orbit or siding track, at solder joint
Distance >=100mm.
Each backing plate of the main orbit backing plate group and siding track backing plate group is hardware, and is both needed to be overheated and invades plating
Zinc preservative treatment；The main orbit rubber nylon backing plate and siding track rubber nylon backing plate should have very strong resistance to phenols, sulphur
The corrosive power of class gas or liquid.
The main orbit is it is preferable to use MR151 ultra-wide heavy rail, and it is preferable to use QU150 heavy rails for siding track.
Compared with prior art, the beneficial effects of the present invention are:
1) siding track setting and main orbit rubber nylon backing plate and main orbit backing plate group are along main orbit laying length direction
Continuous laying, siding track rubber nylon backing plate and siding track backing plate group are avoided along siding track laying length direction continuous laying
By the way of past is laid with sleeper using interval, in large stamping coke oven SCP machine (coalingging, tamping briquette, coke pushing all-in-one machine) to rail
When road applies enormous impact force, track generates the danger of track fracture due to frequently bearing enormous impact stress, and backing plate is continuous
It is laid with the impact force that fine, well-proportioned can disperse SCP machine and bring track, track point is avoided to answer due to cannot withstand fatigue
Power and the case where be broken, it is dispersible and slow down intermediate relatively thin backing plate in addition, rubber nylon material and thicker metal caul
The excessive impact force in the part of receiving, avoids damage caused by it, all metal cauls do galvanizing by dipping preservative treatment with
Improve its service life.
2) by exchanging backing plate, it can reach the laying precision of 1mm, fully meet requirement of the SCP machine to track laying precision.
3) it can partially slow down the impact force for absorbing SCP machine and bringing track using rubber nylon backing plate, be conducive to protect rail
Road, track pad and track foundation, rubber nylon backing plate itself have the corrosion of very strong resistance to phenols, sulfur gas or liquid
Ability, decreasing backing plate damage and being replaced influences to continuous production bring.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the A-A of Fig. 1 to structural representation cross-sectional view；
Fig. 3 is the portion I enlarged structure schematic diagram in Fig. 2；
Fig. 4 is the portion II enlarged structure schematic diagram in Fig. 2.
In figure: the pre-buried base of 1- main orbit 2- backbone fastener 3- siding track 4- siding track fastener 5- main orbit base plate 6-
The basic backing plate t8 10- main orbit of plinth bracket 7- main orbit fastener base plate 8- main orbit rubber nylon backing plate 9- main orbit is basic
The basic backing plate t3 12- main orbit adjustment pad t7 13- main orbit adjustment pad t5 14- main orbit of backing plate t4 11- main orbit
Adjustment pad t2 15- siding track fastener base plate 16- siding track rubber nylon backing plate 17- siding track backing plate t5 18- siding track
Backing plate t4 19- siding track backing plate t3 20- siding track backing plate t2 21- siding track base plate
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Figure 1 to 4, a kind of large size of the present invention fiddles with track structure of the coke oven with siding track, including master
Track 1, main orbit fastener 2, siding track 3, siding track fastener 4, main orbit base plate 5, embedded foundation bracket 6, main orbit fastener
Backing plate 7, main orbit rubber nylon backing plate 8, main orbit backing plate group, siding track fastener base plate 15, siding track rubber nylon backing plate 16,
Siding track backing plate group and siding track base plate 21, the main orbit 1 are arranged on main orbit base plate 5, between be laid with main orbit
Rubber nylon backing plate 8 and main orbit backing plate group, by main orbit fastener 2 and main orbit fastener base plate 7 by main orbit 1, main orbit
Base plate 5 and embedded foundation bracket 6 are fixed；The siding track 3 is two, is symmetricly set on the siding track base of 1 two sides of main orbit
On plinth plate 21, between be laid with siding track nylon rubber backing plate 16 and siding track backing plate group, pass through siding track fastener 4 and siding track button
Part backing plate 15 is fixed by siding track 3, siding track base plate 21 and embedded foundation bracket 6.
The main orbit rubber nylon backing plate 8 and main orbit backing plate group are along 1 laying length direction continuous laying of main orbit；Institute
Siding track rubber nylon backing plate 16 and siding track backing plate group are stated along 3 laying length direction continuous laying of siding track；Requirement of engineering
Track length solidifies section L by several substantially and forms, and the length is 34000mm, the clearance delta L between two basic solidification section L is
18~22mm.
The main orbit backing plate group is by the basic backing plate t8 (piece number 9) of main orbit, the basic backing plate t4 (piece number 10) of main orbit, master
The basic backing plate group and main orbit adjustment pad t7 (piece number 12), main orbit adjusting pad that the basic backing plate t3 (piece number 11) of track is constituted
The adjusting pad board group composition that plate t5 (piece number 13), main orbit adjustment pad t2 (piece number 14) are constituted, wherein basic backing plate group respectively pads
The thickness of plate is 8mm, 4mm, 3mm respectively, and the thickness of each backing plate of adjusting pad board group is 7mm, 5mm, 2mm, adjusting pad board group respectively
Quantity be the 10% of basic backing plate group quantity；The adjusting pad board group is according to 1 upper surface of main orbit base plate 5 and main orbit
Error replaces basic backing plate group, their thickness difference 1mm, the range of alignment error is big, can meet the required precision of rail level 1mm.
Each basic backing plate of main orbit backing plate group and the width of adjustment pad are 210mm, are suitable for ultra-wide heavy rail.
The siding track backing plate group is by siding track backing plate t5 (piece number 17), siding track backing plate t4 (piece number 18), siding track pad
Plate t3 (piece number 19) and siding track backing plate t2 (piece number 20) composition, thickness is respectively 5mm, 4mm, 3mm and 2mm, between thickness
The range of poor 1mm, alignment error are big, according to the error of 3 upper surface of siding track base plate 21 and siding track, by variety classes,
The combination of each siding track backing plate of the siding track backing plate group of quantity adjusts, and can meet the required precision of rail level 1mm.Siding track pad
The width of each siding track backing plate of board group is 170mm, is suitable for ultra-wide heavy rail.
The basic backing plate t8 (piece number 9) of the main orbit rubber nylon backing plate 8, main orbit, main orbit adjustment pad t7 (piece number
12) and the unit length L1 of siding track rubber nylon backing plate 16, siding track backing plate t5 (piece number 17) is 2265mm, two L1 it
Between clearance delta L1 be 2~3mm, the sum of Δ L1≤25mm on each basic solidification segment length L；The basic backing plate t4 of main orbit
The basic backing plate t3 (piece number 11) of (piece number 10), main orbit, main orbit adjustment pad t5 (piece number 13), main orbit adjustment pad t2
(piece number 14) and siding track backing plate t4 (piece number 18), siding track backing plate t3 (piece number 19) and siding track backing plate t2 (piece number 20)
Unit length L2 is 1130, and clearance delta L2 is 4~5mm between two L2, and the sum of Δ L2 on each basic solidification segment length L≤
25mm.Gap is used to absorb the thermal expansion between backing plate.
The clearance delta L1, clearance delta L2 are not arranged at the solder joint of main orbit 1 or siding track 3, with solder joint
Distance >=the 100mm at place.
Each backing plate of the main orbit backing plate group and siding track backing plate group is hardware, and is both needed to be overheated and invades plating
Zinc preservative treatment；The main orbit rubber nylon backing plate 8 and siding track rubber nylon backing plate 16 should have very strong resistance to phenols, sulphur
The corrosive power of sulphur class gas or liquid.
The main orbit 1 is it is preferable to use MR151 ultra-wide heavy rail, and it is preferable to use QU150 heavy rails for siding track 3.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of large size fiddles with track structure of the coke oven with siding track, including main orbit, main orbit fastener, siding track, siding track
Fastener, main orbit base plate, embedded foundation bracket, main orbit fastener base plate, main orbit rubber nylon backing plate, main orbit backing plate
Group, siding track fastener base plate, siding track rubber nylon backing plate, siding track backing plate group and siding track base plate, which is characterized in that institute
Main orbit is stated to be arranged on main orbit base plate, between be laid with main orbit rubber nylon backing plate and main orbit backing plate group, pass through master
Rail clip and main orbit fastener base plate fix main orbit, main orbit base plate and embedded foundation bracket；The siding track is
Two, be symmetricly set on the siding track base plate of main orbit two sides, between be laid with siding track nylon rubber backing plate and siding track
Backing plate group is fixed siding track, siding track base plate and embedded foundation bracket by siding track fastener and siding track fastener base plate.
2. a kind of large size according to claim 1 fiddles with track structure of the coke oven with siding track, which is characterized in that the master
Track rubber nylon backing plate and main orbit backing plate group are along main orbit laying length direction continuous laying；The siding track rubber nylon
Backing plate and siding track backing plate group are along siding track laying length direction continuous laying；The track length of requirement of engineering is basic by several
Section L composition is solidified, the length is 34000mm, the clearance delta L between two basic solidification section L is 18~22mm.
3. a kind of large size according to claim 1 fiddles with track structure of the coke oven with siding track, which is characterized in that the master
The basic backing plate that track pad group is made of the basic backing plate t8 of main orbit, the basic backing plate t4 of main orbit, the basic backing plate t3 of main orbit
The adjusting pad board group composition that group and main orbit adjustment pad t7, main orbit adjustment pad t5, main orbit adjustment pad t2 are constituted,
In the thickness of basic each backing plate of backing plate group be 8mm, 4mm, 3mm respectively, the thickness of each backing plate of adjusting pad board group be respectively 7mm,
5mm, 2mm, the quantity of adjusting pad board group are the 10% of basic backing plate group quantity；The adjusting pad board group is according to main orbit base plate
With the error of main orbit upper surface, basic backing plate group is replaced.
4. a kind of large size according to claim 1 fiddles with track structure of the coke oven with siding track, which is characterized in that the side
Track pad group is made of siding track backing plate t5, siding track backing plate t4, siding track backing plate t3 and siding track backing plate t2, thickness point
It Wei not 5mm, 4mm, 3mm and 2mm.
5. a kind of large size described according to claim 1 or 3 or 4 fiddles with track structure of the coke oven with siding track, which is characterized in that
The main orbit rubber nylon backing plate, the basic backing plate t8 of main orbit, main orbit adjustment pad t7 and siding track rubber nylon pad
Plate, siding track backing plate t5 unit length L1 be 2265mm, clearance delta L1 is 2~3mm between two L1, each basic solidification section
The sum of Δ L1≤25mm on length L；The basic backing plate t4 of the main orbit, the basic backing plate t3 of main orbit, main orbit adjustment pad t5,
The unit length L2 of main orbit adjustment pad t2 and siding track backing plate t4, siding track backing plate t3 and siding track backing plate t2 is
Clearance delta L2 is 4~5mm between 1130, two L2, the sum of Δ L2≤25mm on each basic solidification segment length L.
6. a kind of large size fiddles with track structure of the coke oven with siding track according to claim 1 or 5, which is characterized in that institute
State clearance delta L1, clearance delta L2 is not arranged at the solder joint of main orbit or siding track, at solder joint at a distance from >=
100mm。
7. a kind of large size according to claim 1 fiddles with track structure of the coke oven with siding track, which is characterized in that the master
Each backing plate of track pad group and siding track backing plate group is hardware, and is both needed to by hot-dipping galvanized preservative treatment；Institute
Very strong resistance to phenols, sulfur gas or liquid should be had by stating main orbit rubber nylon backing plate and siding track rubber nylon backing plate
Corrosive power.
8. a kind of large size according to claim 1 fiddles with track structure of the coke oven with siding track, which is characterized in that the master
Track is it is preferable to use MR151 ultra-wide heavy rail, and it is preferable to use QU150 heavy rails for siding track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230648.2A CN109162155A (en) | 2018-10-22 | 2018-10-22 | A kind of large size fiddles with track structure of the coke oven with siding track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230648.2A CN109162155A (en) | 2018-10-22 | 2018-10-22 | A kind of large size fiddles with track structure of the coke oven with siding track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109162155A true CN109162155A (en) | 2019-01-08 |
Family
ID=64878871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230648.2A Pending CN109162155A (en) | 2018-10-22 | 2018-10-22 | A kind of large size fiddles with track structure of the coke oven with siding track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109162155A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705820U (en) * | 2012-06-28 | 2013-01-30 | 纪军付 | Single rail fixing device |
| CN203403330U (en) * | 2013-07-25 | 2014-01-22 | 马钢(集团)控股有限公司 | Composite type track bed |
| CN204343108U (en) * | 2014-12-18 | 2015-05-20 | 成都市新筑路桥机械股份有限公司 | A kind of split type continuous support ballast bed system |
| CN106590698A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Track foundation bracket accurate adjustment apparatus |
| CN107700285A (en) * | 2017-10-25 | 2018-02-16 | 株洲时代新材料科技股份有限公司 | Rail fastener system and its insulating method |
| CN209307789U (en) * | 2018-10-22 | 2019-08-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of large size fiddles with track structure of the coke oven with siding track |
-
2018
- 2018-10-22 CN CN201811230648.2A patent/CN109162155A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705820U (en) * | 2012-06-28 | 2013-01-30 | 纪军付 | Single rail fixing device |
| CN203403330U (en) * | 2013-07-25 | 2014-01-22 | 马钢(集团)控股有限公司 | Composite type track bed |
| CN204343108U (en) * | 2014-12-18 | 2015-05-20 | 成都市新筑路桥机械股份有限公司 | A kind of split type continuous support ballast bed system |
| CN106590698A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Track foundation bracket accurate adjustment apparatus |
| CN107700285A (en) * | 2017-10-25 | 2018-02-16 | 株洲时代新材料科技股份有限公司 | Rail fastener system and its insulating method |
| CN209307789U (en) * | 2018-10-22 | 2019-08-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of large size fiddles with track structure of the coke oven with siding track |
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