CN108914719A - Inserted forging potassium steel combines fixed railway frog - Google Patents
Inserted forging potassium steel combines fixed railway frog Download PDFInfo
- Publication number
- CN108914719A CN108914719A CN201810622644.2A CN201810622644A CN108914719A CN 108914719 A CN108914719 A CN 108914719A CN 201810622644 A CN201810622644 A CN 201810622644A CN 108914719 A CN108914719 A CN 108914719A
- Authority
- CN
- China
- Prior art keywords
- rail
- heart
- potassium steel
- fork
- wing
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229910052700 potassium Inorganic materials 0.000 title claims abstract description 90
- 239000011591 potassium Substances 0.000 title claims abstract description 90
- 238000005242 forging Methods 0.000 title claims abstract description 25
- 239000011295 pitch Substances 0.000 claims abstract description 22
- 241000251468 Actinopterygii Species 0.000 claims abstract description 10
- 238000005457 optimization Methods 0.000 claims abstract description 9
- 235000000396 iron Nutrition 0.000 claims abstract description 6
- 210000002050 maxilla Anatomy 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 238000005266 casting Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 6
- 230000002028 premature Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- 229910000617 Mangalloy Inorganic materials 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- 229910000851 Alloy steel Inorganic materials 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000269350 Anura Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001755 vocal effect Effects 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
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/12—Fixed frogs made of one part or composite
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to one kind can effectively improve fixed railway frog " idle space " heart rail and wing rail shock resistance, antiwear property, extend railway frog service life, heart rail and wing rail in use process Xin Gui light section area is avoided to cause whole group railway frog to be scrapped due to premature failure due to casting flaw or heart rail and wing rail unlike material etc., it can ensure that stiff frog overall stability will not lead to the inserted forging potassium steel destroyed combination fixed railway frog because of vibration again, assembled frog pitches the heart by the potassium steel with wing rail, wing rail, fork passes through high-strength bolt pair with rail and a certain number of interval irons, rail washer is assembled, the potassium steel fork heart with wing rail is integrally formed using forging potassium steel Mn13, wing rail and fork are made with rail of burning optimization on line rail；Potassium steel pitches heart heel end and uses dovetail configuration, cooperates with rail rail head side, fish tail maxilla inclined-plane, fish tail lower jaw inclined-plane with fork, and is attached by high-strength bolt pair.
Description
Technical field
The present invention relates to one kind can effectively improve fixed railway frog " idle space " heart rail and wing rail shock resistance, wear-resistant
Damage ability extends railway frog service life, avoids the heart rail and wing rail in use process due to Xin Gui light section area because of casting flaw
Or the reasons such as heart rail and wing rail unlike material premature failure and cause whole group railway frog to be scrapped, and can ensure that stiff frog monolithic stability
Property will not cause because of vibration destroy inserted forging potassium steel combination fixed railway frog, belong to fixed railway frog manufacture neck
Domain.
Background technique
CN 204491321U, title " forging potassium steel heart rail assembled frog ", have a heart rail, two forks with rail and
Two wing rails, it is characterized in that：The heart rail is made of forging high manganese steel material, the fork with rail and wing rail use with it is both wired
The burning optimization on line rail of road same material is made；On the two sidewalls of the web of the rail of the heart rail it is elongated be formed with two it is symmetrical
Groove, and the side of groove is made to form the lower end inclined-plane I tilted to the web of the rail, boss is formed on the bottom of groove, makes cutting for the web of the rail
Face shape forms an approximate wedge shape；The inner face of wedge-shaped interval iron is the inclined-plane II being bonded with inclined-plane I, and lower end surface is and boss
Closely connected plane II；Described two wing rails are symmetrically positioned in the two sides of heart rail, and two wedge-shaped interval irons are symmetrically positioned in wing rail and heart rail
Between, and wedge-shaped interval iron outer end face is bonded with the web of the rail sidewall shape of wing rail, the web of the rail on the inclined-plane II and heart rail of inner face
Side wall inclined plane I is closely connected, and the plane II of lower end surface is closely connected with boss, and secondary and rail washer is bolted by two wing rails, two
A wedge shape interval iron and heart rail are connected and fixed；Described two forks are symmetricly set on the two sides of the tail portion of heart rail with rail, and
Between two wing rails, and secondary, rail washer and general interval iron is bolted by the tail portion of two wing rails and heart rail
And two forks are connected and fixed with rail.Need improved be：Since fork heart heart rail web of the rail section is wedge structure, it is therefore an objective to
Solve the changing of the relative positions up and down of resolution rail and wing rail.But since heavy haul railway is with its high axle load, high density, super large freight volume and maintenance time
Few " four big features " constitutes extremely harsh operating pressure to work business track switch equipment, and under this service condition, track switch is main
The abrasion of component railway frog and hurt are far longer than common line, i.e., heavily loaded track switch is short there are the service life with railway frog, replace frequent etc. ask
Topic, it is serious to restrict heavy-haul line transport capacity, and being used cooperatively for wedge-shaped heart rail and wedge shape interval iron, it cannot fundamentally solve
Between combined frog crossing point rail and wing rail up and down with respect to changing of the relative positions problem because heavy haul train, when passing through track switch, vibratility can not
Entire track switch is caused to be vibrated therewith with avoiding, and the vibration does not only result in the loosening of bolt connection pair and wedge-shaped interval iron, makes
The globality and stability of railway frog are destroyed, and form oscillatory shear to bolt connection pair, not only substantially increase rut
The frequency of maintenance of fork, and shorten the service life of whole group railway frog.
CN106149482A, title " a kind of embedded combined high manganese steel frog of embedded alloy steel core rail wing rail ", insertion
Formula combination high manganese steel frog is passed through by the embedded potassium steel fork heart, wing rail, fork with rail and heart rail wing rail alloy steel mosaic block high-strength
Bolt connection pair, rail washer and interval iron assemble, it is characterized in that：The embedded potassium steel fork heart using composite unit structure and
Embedded potassium steel fork heart main body is using casting potassium steel, and wheel tread is using explosion pre-hardening；The embedded potassium steel fork heart
Using monoblock cast, embedded potassium steel pitches the theoretical point of the heart to heart rail for heart rail, wing rail and interval iron assemble with fork with rail
Wheel transition region between wide 60mm section is boxed frame structure, bottom closing, open-top.What is involved is assembled frogs
In the inserted potassium steel fork heart use composite unit structure, inserted potassium steel fork heart main body is using casting potassium steel, wheel mistake
Crossing area's heart wing rail mosaic block, more preferably alloy steel material manufactures using mechanical performance, mainly solves combination high manganese steel frog wheel mistake
Fork heart mosaic block is only needed to change without whole group railway frog replacement problem after crossing area's heart wing rail premature failure.Due to inserted potassium steel
Heart main body is pitched using casting potassium steel, wheel transition region heart wing rail mosaic block uses mechanical performance more preferably alloy steel material system
It makes, and alloy steel material crack sensitivity is strong, impact flexibility is poor, and security performance is lower.
Summary of the invention
Purpose of design：The shortcoming in background technique is avoided, designing one kind and can effectively improving fixed railway frog " has
Evil space " heart rail and wing rail shock resistance, antiwear property, extend railway frog service life, avoid in use process since heart rail is small
The heart rail and wing rail in section area lead to whole group railway frog because of casting flaw or the reasons premature failure such as heart rail and wing rail unlike material
It scraps, and and can ensure that stiff frog overall stability will not cause the inserted forging potassium steel destroyed combination solid because of vibration
Sizing railway frog.
Design scheme：In order to realize above-mentioned purpose of design.The application is directed on the basis of background technique, is inlayed by optimization
Embedded combines high manganese steel frog structure design, by the potassium steel fork heart in assembled frog using mechanical performance than casting potassium steel
（ZGMn13）More preferably forge potassium steel（Mn13）Production, since forging potassium steel essentially eliminates various stomatas, burning into sand, slag inclusion
With the holes class defect such as shrinkage cavity and porosity, the shock resistance for making the potassium steel fork heart and wear-resisting property are than casting potassium steel（ZGMn13）It is aobvious
It writes and improves.Secondly, the heart wing rail of the potassium steel fork heart " idle space " realizes the same material same service life, and by pitching the heart to potassium steel
Driving surface explosion pre-hardening and included wing rail front-end and back-end transition section structure carry out ride comfort optimization, make the potassium steel fork heart
Service life is further extended, to improve the service life of whole group railway frog.That is, assembled frog is pitched by the potassium steel with wing rail
The heart, wing rail, fork are secondary by high-strength bolt with rail and a certain number of interval irons, rail washer is assembled.Gao Meng with wing rail
The steel fork heart is using forging potassium steel（Mn13）It is integrally formed, the wing rail and fork of assembled frog use burning optimization on line rail system with rail
At.Potassium steel pitches heart driving surface using explosion Pre-hardening treatment.
1, potassium steel fork heart heel end uses dovetail configuration, oblique with rail rail head side, fish tail maxilla inclined-plane, fish tail lower jaw with pitching
The design that merga pass high-strength bolt pair is attached is matched in face, is one of technical characteristic of the invention.The purpose designed in this way exists
In：By increasing fork with the frictional force between rail and manganese fork heart mating surface, the ability that fork resists TEMPERATURE FORCE with rail is improved, manganese is reduced
The length travel that generates under TEMPERATURE FORCE effect of the fork heart prevents from leading to manganese fork in the heart with rail displacement is excessive because of fork on gapless track
Breaking joint gap is excessive or attachment bolt cuts short influence traffic safety.Increase fork simultaneously to assemble with rail and the closely connected range increase of the manganese fork heart
Face enhances stability.See 1-4 view, Fig. 2 in figure.
2, potassium steel fork heart wing rail front end, rear end rail head and assembled frog wing rail are cooperated using pointed formula is pasted, and fork is with rail point
It holds rail head and the potassium steel fork heart using the design for hiding pointed formula cooperation, is the second technical feature of the present invention.The mesh designed in this way
Be：The fat edges harm for mitigating railway frog upper track initial stage, improves ride comfort when vehicle passes through " idle space ", avoids potassium steel
Fork heart wing rail rear end rail head root cracks damage after wheel impacts.See Fig. 3, Fig. 4.
3, potassium steel fork heart wing rail and assembled frog wing rail（Rail）Cooperated using upper and lower jaw inclined-plane, rail head side clearance
Within the 1mm of middle section, leading portion and back segment it is closely connected, potassium steel pitches heart heel end and assembled frog wing rail（Rail）By unique spacer iron into
The design of row cooperation, is the third technical feature of the present invention.The purpose designed in this way is：Both it can avoid because rail head side is not close
Patch causes manganese fork heart toe-end, wing rail back segment to crack hurt harm in wheel impacts, also because greatly reducing wing rail rail
Head slicing range, wing rail tilts when railway frog being avoided to assemble, and is conducive to improve the manganese steel fork heart and wing rail fit quality.
4, the design that potassium steel fork heart heel end and wing rail use special construction interval iron to be cooperatively connected is the technology of the present invention spy
The four of sign.The purpose designed in this way is：Since the application is provided with concave groove in forging potassium steel fork heart two sides, in the concave groove
Between be recessed, two sides protrusion, be conducive to increase interval iron and manganese fork heart cooperation range, i.e., interval iron contacted with path and become with pitching
Face contact, manganese are pitched heart heel end and are linked together under high-strength bolt effect with wing rail by interval iron, and wheel weight is passed by the manganese fork heart
To wing rail, load is reached backing plate by wing rail, enhances structural stability.And by matched convex of machining opisthocoelous slot
Desk-top spacing board forms gapless joint match and under the action of high strength bolt connection pairs, enhances potassium steel fork heart heel end
Rigidity, 1-3 view as shown in figure 1.
5, the potassium steel fork heart carries the design of wing rail, is the five of technical characteristic of the invention.The purpose designed in this way is：
The heart of wheel transition region, wing rail use same material, wear-resistant, impact resistance is identical, are conducive to railway frog tyre tread shape in a short time
At the profile to match with wheel tread, the same service life is realized, avoid the heart because of wheel transition region, wing rail same material difference wear-resistant
Damage shock resistance difference leads to heart rail or wing rail premature failure.
Technical solution：A kind of inserted forging potassium steel combination fixed railway frog, assembled frog is by the potassium steel with wing rail
The fork heart, wing rail, fork are secondary by high-strength bolt with rail and a certain number of interval irons, rail washer is assembled, the band wing rail
The potassium steel fork heart be integrally formed using forging potassium steel Mn13, wing rail and fork are made with rail of burning optimization on line rail；It is high
Manganese steel pitches heart heel end and uses dovetail configuration, cooperates with rail rail head side, fish tail maxilla inclined-plane, fish tail lower jaw inclined-plane with fork, and leads to
High-strength bolt pair is crossed to be attached.
Compared with the background technology, the present invention, first is that compared with block cast high manganese steel frog, assembled frog potassium steel pitches the heart heart wing
Rail shock resistance and wear-resisting property significantly improve, and railway frog service life is higher；Second is that compared with steel alloy assembly railway frog, the heart wing
Rail realizes the same material same service life, and safety is higher；Third is that increasing fitting surface, the cooperation of the upper jaw and the lower jaw arc contact is eliminated, is reduced
Wing rail rail head slicing range, is conducive to manufacture, and improves the potassium steel fork heart and assembled frog wing rail fit quality and efficiency,
Assembled frog wing rail is avoided to generate inclination；Fourth is that enhancing the impact resistance and antiwear property of railway frog, heavily loaded iron can be met
Road requirement；By to potassium steel pitch the heart drive a vehicle surface explosion pre-hardening and included wing rail front-end and back-end transition section structure into
The optimization of row ride comfort, can effectively improve railway frog service life；Using wing rail and fork with the solderability of rail, Sutureless can satisfy
Road requires.
Detailed description of the invention
Fig. 1 is inserted forging potassium steel combination stiff frog schematic diagram.
Fig. 1-1 is the A-A structural schematic diagram in Fig. 1.
Fig. 1-2 is the B-B structural schematic diagram in Fig. 1.
Fig. 1-3 is the C-C structural schematic diagram in Fig. 1.
Fig. 1-4 is the D-D structural schematic diagram in Fig. 1.
Fig. 2 is the potassium steel fork heart and fork with rail assembling schematic diagram, and 8 be that fourchette is adopted with rail tip rail head and the potassium steel fork heart
With pointed formula cooperation is hidden, 9 refer to potassium steel fork heart heel end using dovetail configuration.
Fig. 3 is forging potassium steel fork heart wing rail front end and assembled frog wing rail patch point cooperation schematic diagram, the 10 assembled frog wings
Rail, 11 potassium steel pitch heart wing rail.
Fig. 3-1 be in Fig. 3 M-M to structural schematic diagram.
Fig. 4 is forging potassium steel fork heart wing rail rear end and assembled frog wing rail patch point cooperation schematic diagram.
Fig. 4-1 be in Fig. 4 N-N to structural schematic diagram.
Specific embodiment
Embodiment 1：Referring to attached drawing 1 to 4-1.A kind of inserted forging potassium steel combination fixed railway frog, assembled frog by
The potassium steel fork heart 1, wing rail 2, fork with wing rail pass through high-strength bolt pair 5, rail pad with rail 3 and a certain number of interval irons 6 and 7
Enclose 4 assembled, the potassium steel fork heart 1 with wing rail is integrally formed using forging potassium steel Mn13, and wing rail 2 and fork are with rail 3
It is made of burning optimization on line rail；Potassium steel pitches 1 heel end of the heart and uses dovetail configuration, with fork with 3 rail head side of rail, fish tail maxilla
Inclined-plane, the cooperation of fish tail lower jaw inclined-plane, and be attached by high-strength bolt pair 5.Two wing rails 2 and fork are located at potassium steel with rail 3
Fork 1 two sides of the heart are bolted pair 5, interval iron 6 and 7 and rail washer 4 and connect the potassium steel fork heart admittedly with rail with wing rail, fork
It is scheduled on together.Potassium steel is pitched 2 front end of heart wing rail, rear end rail head and assembled frog wing rail and is cooperated using pointed formula is pasted, and fork is with rail point
Rail head and the potassium steel fork heart is held to cooperate using pointed formula is hidden.Potassium steel pitches the heart 1 and the upper and lower jaw inclined-plane of wing rail cooperates, rail head side
Within the 1mm of gap middle section, leading portion and back segment it is closely connected, potassium steel pitch 1 heel end of the heart and assembled frog wing rail 2 by unique spacer iron into
Row cooperation.
Embodiment 2：Matched between potassium steel fork 1 heel end of the heart and wing rail 2 by 7 bumps of interval iron on the basis of embodiment 1
Close connection.Potassium steel fork 1 two sides of the heart are provided with concave groove, 7 one side of interval iron in boss structure and with the interval iron of boss structure 7 with
The concave groove that potassium steel pitches 1 side of the heart forms gapless joint match.
It is to be understood that：Although above-described embodiment retouches mentality of designing of the invention detailed text of contrasting
It states, but these verbal descriptions, only the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention falls within the protection scope of the present invention.
Claims (6)
1. a kind of inserted forging potassium steel combines fixed railway frog, assembled frog pitches the heart by the potassium steel with wing rail（1）, wing rail
（2）, fork with rail（3）And a certain number of interval irons（6 and 7）Pass through high-strength bolt pair（5）, rail washer（4）It is assembled,
It is characterized in：The potassium steel with wing rail pitches the heart（1）It is integrally formed using forging potassium steel Mn13, wing rail（2）With fork with rail（3）
It is made of burning optimization on line rail；Potassium steel pitches the heart（1）Heel end uses dovetail configuration, with fork with rail（3）Rail head side, fish tail
Maxilla inclined-plane, the cooperation of fish tail lower jaw inclined-plane, and pass through high-strength bolt pair（5）It is attached.
2. inserted forging potassium steel according to claim 1 combines fixed railway frog, it is characterized in that：Two wing rails（2）
With fork with rail（3）The heart is pitched positioned at potassium steel（1）Pair is bolted in two sides（5）, interval iron（6 and 7）And rail washer（4）It will
Potassium steel pitches the heart and is connected and fixed with wing rail, fork with rail.
3. inserted forging potassium steel according to claim 1 combines fixed railway frog, it is characterized in that：Potassium steel pitches the heart wing
Rail（2）Front end, rear end rail head and assembled frog wing rail are cooperated using pointed formula is pasted, and fork is adopted with rail tip rail head and the potassium steel fork heart
Cooperated with pointed formula is hidden.
4. inserted forging potassium steel according to claim 1 combines fixed railway frog, it is characterized in that：Potassium steel pitches the heart
（1）Cooperate with the upper and lower jaw inclined-plane of wing rail, within the middle section 1mm of rail head side clearance, leading portion and back segment it is closely connected, potassium steel pitches the heart（1）
Heel end and assembled frog wing rail（2）Cooperated by unique spacer iron.
5. inserted forging potassium steel according to claim 4 combines fixed railway frog, it is characterized in that：Potassium steel pitches the heart
（1）Heel end and wing rail（2）Between pass through interval iron（7）Male-female engagement connection.
6. inserted forging potassium steel according to claim 5 combines fixed railway frog, it is characterized in that：Potassium steel pitches the heart
（1）Two sides are provided with concave groove, interval iron（7）It is on one side in boss structure and the interval iron with boss structure（7）The heart is pitched with potassium steel
（1）The concave groove of side forms gapless joint match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810622644.2A CN108914719A (en) | 2018-06-15 | 2018-06-15 | Inserted forging potassium steel combines fixed railway frog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810622644.2A CN108914719A (en) | 2018-06-15 | 2018-06-15 | Inserted forging potassium steel combines fixed railway frog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108914719A true CN108914719A (en) | 2018-11-30 |
Family
ID=64419808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810622644.2A Pending CN108914719A (en) | 2018-06-15 | 2018-06-15 | Inserted forging potassium steel combines fixed railway frog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108914719A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403162A (en) * | 2018-12-24 | 2019-03-01 | 中铁宝桥集团有限公司 | A kind of assembled frog fork core structure |
| CN109403163A (en) * | 2018-12-24 | 2019-03-01 | 中铁宝桥集团有限公司 | A kind of welding assembled frog |
| CN109594432A (en) * | 2019-01-25 | 2019-04-09 | 中铁宝桥集团有限公司 | A kind of fixed combined frog crossing point rail bindiny mechanism |
| CN110725164A (en) * | 2019-11-18 | 2020-01-24 | 中铁宝桥集团有限公司 | Embedded fixed seamless high manganese steel frog structure |
| CN114318963A (en) * | 2021-12-17 | 2022-04-12 | 中铁宝桥集团有限公司 | Fixed combined frog |
| CN114808560A (en) * | 2022-02-28 | 2022-07-29 | 中铁宝桥集团有限公司 | Partially replaceable frog and replacing method |
| WO2022199588A1 (en) * | 2021-03-22 | 2022-09-29 | 中铁宝桥集团有限公司 | Seamless combination frog |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI894686A0 (en) * | 1988-10-04 | 1989-10-03 | Voest Alpine Maschinenbau | RAELSKORSSTYCKE MED KORSSTYCKESSPETS AV GJUTET HAORDMANGANSTAOL. |
| CN101886358A (en) * | 2009-05-14 | 2010-11-17 | 王平 | Horizontal tip-concealed combined frog |
| CN103669119A (en) * | 2013-12-27 | 2014-03-26 | 中铁山桥集团有限公司 | Manganese steel fork core steel rail split type frog |
| CN104499382A (en) * | 2014-12-23 | 2015-04-08 | 中铁宝桥集团有限公司 | Combined frog of forged high-manganese-steel point rail |
| CN106149482A (en) * | 2016-07-25 | 2016-11-23 | 中铁宝桥集团有限公司 | A kind of embedded combined high manganese steel frog of embedded alloy steel core rail wing rail |
| CN106149483A (en) * | 2016-07-25 | 2016-11-23 | 中铁宝桥集团有限公司 | A kind of assembled frog fork heart and fork are with the assembling structure of rail |
| CN208917602U (en) * | 2018-06-15 | 2019-05-31 | 中铁宝桥集团有限公司 | Inserted forging potassium steel combines fixed railway frog |
-
2018
- 2018-06-15 CN CN201810622644.2A patent/CN108914719A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI894686A0 (en) * | 1988-10-04 | 1989-10-03 | Voest Alpine Maschinenbau | RAELSKORSSTYCKE MED KORSSTYCKESSPETS AV GJUTET HAORDMANGANSTAOL. |
| CN101886358A (en) * | 2009-05-14 | 2010-11-17 | 王平 | Horizontal tip-concealed combined frog |
| CN103669119A (en) * | 2013-12-27 | 2014-03-26 | 中铁山桥集团有限公司 | Manganese steel fork core steel rail split type frog |
| CN104499382A (en) * | 2014-12-23 | 2015-04-08 | 中铁宝桥集团有限公司 | Combined frog of forged high-manganese-steel point rail |
| CN106149482A (en) * | 2016-07-25 | 2016-11-23 | 中铁宝桥集团有限公司 | A kind of embedded combined high manganese steel frog of embedded alloy steel core rail wing rail |
| CN106149483A (en) * | 2016-07-25 | 2016-11-23 | 中铁宝桥集团有限公司 | A kind of assembled frog fork heart and fork are with the assembling structure of rail |
| CN208917602U (en) * | 2018-06-15 | 2019-05-31 | 中铁宝桥集团有限公司 | Inserted forging potassium steel combines fixed railway frog |
Non-Patent Citations (2)
| Title |
|---|
| 蒋昕;: "大秦铁路用75kg/m钢轨18号翼轨镶嵌式合金钢辙叉的结构设计和使用", 铁道标准设计, no. 10, 18 September 2013 (2013-09-18), pages 27 - 30 * |
| 高晓新: "60kg／m钢轨12号拼装式高锰钢辙叉的研究", 铁道标准设计, no. 02, 20 February 1996 (1996-02-20), pages 10 - 14 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403162A (en) * | 2018-12-24 | 2019-03-01 | 中铁宝桥集团有限公司 | A kind of assembled frog fork core structure |
| CN109403163A (en) * | 2018-12-24 | 2019-03-01 | 中铁宝桥集团有限公司 | A kind of welding assembled frog |
| CN109594432A (en) * | 2019-01-25 | 2019-04-09 | 中铁宝桥集团有限公司 | A kind of fixed combined frog crossing point rail bindiny mechanism |
| CN110725164A (en) * | 2019-11-18 | 2020-01-24 | 中铁宝桥集团有限公司 | Embedded fixed seamless high manganese steel frog structure |
| WO2022199588A1 (en) * | 2021-03-22 | 2022-09-29 | 中铁宝桥集团有限公司 | Seamless combination frog |
| CN114318963A (en) * | 2021-12-17 | 2022-04-12 | 中铁宝桥集团有限公司 | Fixed combined frog |
| WO2023108821A1 (en) * | 2021-12-17 | 2023-06-22 | 中铁宝桥集团有限公司 | Fixed combined frog |
| CN114808560A (en) * | 2022-02-28 | 2022-07-29 | 中铁宝桥集团有限公司 | Partially replaceable frog and replacing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108914719A (en) | Inserted forging potassium steel combines fixed railway frog | |
| CN206173745U (en) | Inlay embedded combination high manganese steel frog of alloy steel core rail wing rail | |
| CN208917602U (en) | Inserted forging potassium steel combines fixed railway frog | |
| CN113550177A (en) | Modularized combined frog easy to replace assembly and construction method thereof | |
| CN110172875B (en) | Asymmetric inlaid wing rail combined frog | |
| CN204803690U (en) | Pairing gold solid forging railway frog | |
| CN109183527B (en) | Unequal-height herringbone-point alloy steel combined frog | |
| CN209227292U (en) | A kind of not contour vee crossing's alloy steel combination frog | |
| CN207727363U (en) | A kind of fixed alloy steel combination frog | |
| CN110725164A (en) | Embedded fixed seamless high manganese steel frog structure | |
| CN212375641U (en) | Reinforced alloy steel point rail combined acute frog | |
| CN108103855A (en) | A kind of fixed alloy steel combination frog | |
| CN211256509U (en) | Embedded fixed seamless high manganese steel frog structure | |
| CN201915302U (en) | Novel welding wing rail combined frog used for railway track | |
| CN210287979U (en) | Anti-jumping and adjustable fixed combined frog | |
| CN112726296A (en) | Split type combination frog | |
| CN2570315Y (en) | Alloyed steel composite frog | |
| CN205223748U (en) | Solid forging fixed railway frog for railway | |
| CN208727631U (en) | A kind of stone crusher tooth and broken machine tooth | |
| CN208415008U (en) | Heart assembled frog is pitched in asymmetric formula potassium steel block cast | |
| CN212560941U (en) | Reinforced wing rail alloy steel frog | |
| CN206768495U (en) | A kind of vibrospade of railroad ballast tamping tool | |
| CN220888156U (en) | Obtuse angle alloy steel combined frog | |
| CN2677430Y (en) | Split beater pick for sleeper tamping | |
| CN212560940U (en) | Reinforced wing rail alloy steel frog |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |