CN208857603U - A kind of special-shaped transition rail being connect for groove profile rail with I-rail - Google Patents
A kind of special-shaped transition rail being connect for groove profile rail with I-rail Download PDFInfo
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- CN208857603U CN208857603U CN201821447803.1U CN201821447803U CN208857603U CN 208857603 U CN208857603 U CN 208857603U CN 201821447803 U CN201821447803 U CN 201821447803U CN 208857603 U CN208857603 U CN 208857603U
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Abstract
The utility model discloses a kind of special-shaped transition rail connecting for groove profile rail with I-rail, including grooved track section, changeover portion and the I-rail linkage section being connected as one, the shape and height of rail head are identical as groove profile rail, and working edge is consistent with connected groove profile rail, the work edge direction of I-rail, the rail bottom depth of the I-rail linkage section is identical as the I-rail that need to be connected to be less than the grooved track section, and the rail bottom of the changeover portion is inclination rail bottom of the connection grooved track section to the I-rail linkage section.The utility model can directly utilize grider rail forging and stamping manufacture, without designing the mold of monoblock cast, the speed of forging and stamping and energy-saving effect are also superior to the transition rail of monoblock cast, while the intensity of the utility model is unaffected substantially, has preferable reliability compared with prior art.
Description
Technical field
The utility model relates to track fields, and in particular to a kind of special-shaped transition steel connecting for groove profile rail with I-rail
Rail.
Background technique
First developing public transport is the important Transportation Develop ment Strategy in China, and modern tram is public as the intermediate level
Traffic system becomes the inexorable trend of public transport development with its hommization, large capacity, environmental protection, energy conservation, the feature in modern times.
In the rail system of modern tram, main track mainly uses groove-shape rail.It is used in modern tram
Greening, which mats formation, hardens the differences such as mat formation mats formation under conditions of form, and groove profile rail can effectively play the buffer action mated formation with wheel track
Its rail lip can play the role of guard rail to improve tramcar operation reliability to protection paving structure simultaneously.In view of economy and
Technical requirement, modern tram mainly use 50kg/m rail in parking lot line, are a kind of I-rails.In some route sections
Groove-shape rail and above-mentioned I-rail need to be attached by point.There are mainly two types of the connection methods of existing difference rail rail type,
Special-shaped fishtail clamping plate connection method and different rail rail type weldings.
1. special-shaped fishtail clamping plate connection method
For special-shaped fishtail clamping plate connection method, since the height section of modern tram difference rail type is different, tie point
The stress of generation is concentrated, and manufacturing process is complicated, and intensity is not so good as common fish platee, Broken condition is often occurred, is seriously jeopardized row
Vehicle safety.
2. different rail rail type weldings
For different rail rail type weldings, need using special-shaped solder joint, by two kinds of differences with certain altitude difference
The rail welding of model is together.Since special-shaped welding procedure this at present is still immature, welding point poor toughness, mechanical property
It differing greatly with rail base material, stress concentration effect is obvious, crackle easily occurs at the ballast bed equal biggish structure of relative settlements,
The case where being even broken, seriously jeopardizes traffic safety.The location of this kind of method connection is generally required using solid concrete roabed etc.
The high organization plan of cost, it is less economical, and require to limit vehicle by speed, influence modern tram operation
Efficiency.
As the utility model patent of application number 201520006789.1 discloses one kind for modern tram difference rail
The connection slot is respectively welded using grider rail rail head and an I-rail rail head by both ends for the transition rail connected between type
Type rail and I-rail are connected in middle transition section using chamfered transition, though the structure enables the intensity being welded to connect and reliability obtain
Certain raising has been arrived, but in connector vehicle due to chamfered transition, operation stability decline, it is often more important that this transition rail must
Must be separately fabricated, the rail head structure at track both ends is different, therefore manufacture difficulty is larger, it is also necessary to manufacture and design corresponding equipment and
Mold improves production cost.
Utility model content
The purpose of this utility model is to provide a kind of special-shaped transition rail connecting for groove profile rail with I-rail, with solution
Certainly the mutual bonding strength of grider rail and I-rail of different model is inadequate in the prior art, and the transition rail of use increases production
Cost, and influence the defect of intact stability.
The special-shaped transition rail being connect for groove profile rail with I-rail, including the grooved track being connected as one
Section, changeover portion and I-rail linkage section, the shape of rail head and highly identical as groove profile rail, and working edge and the groove profile rail being connected,
The work edge direction of I-rail is consistent, and the rail bottom depth of the I-rail linkage section is identical as the I-rail that need to be connected less than described
Grooved track section, the rail bottom of the changeover portion are inclination rail bottom of the connection grooved track section to the I-rail linkage section.
Preferably, the special-shaped transition rail is forged and pressed by one section of grooved track, a part forging of the changeover portion
Web of the rail height is less than channel suspending rail section after pressure and web of the rail thickness is greater than channel suspending rail section.
Preferably, the rail bottom width of the changeover portion is greater than connected I-rail, the connecting pin of the I-rail linkage section
Rail bottom width it is equal with the I-rail, the connecting pin side of the I-rail linkage section has chamfering.
Preferably, the web of the rail side of the connecting pin of the I-rail linkage section is welded with stiffening plate, the reinforcement plate end face
It is weldingly connected with the web of the rail end face for the I-rail being connected.
Preferably, the length of the stiffening plate is equal to the sum of the length of the changeover portion and the I-rail linkage section.
Preferably, the shape of the stiffening plate and the web of the rail side view of changeover portion and the I-rail linkage section are mutually fitted
It answers, the fitting of both sides up and down of the stiffening plate is welded to the rail head bottom surface and rail bottom top surface of the special-shaped transition rail.
Preferably, it is polishing to and smoothly transits after being welded on the outside of the stiffening plate with the welding region of the web of the rail.
Preferably, the length of the changeover portion is not less than 170mm, and the length range of the I-rail linkage section is in 90-
120mm。
Utility model has the advantages that it is close with groove profile rail in the utility model structure, it can directly utilize grider rail
Forging and stamping manufacture, without designing the mold of monoblock cast, the speed of forging and stamping and energy-saving effect also superior to monoblock cast transition rail, together
When the utility model intensity be unaffected substantially, compared with prior art have preferable reliability.Simultaneously because work
It is consistent to make edge direction, stability is preferable when vehicle operation passes through.
Due to special-shaped transition rail the web of the rail and I-rail the web of the rail not on one face, therefore, it is difficult to effectively be welded.
The utility model overcomes shape welding by in-orbit waist side weld reinforcement plate, by the welding of the web of the rail end face of stiffening plate and I-rail
Connect the jejune defect of technique.It welds the stiffening plate end face that the web of the rail of the same special-shaped transition rail can also be welded with I-rail side
It realizes and increases bonding area, improve the effect of weld strength.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is the utility model unwelded stiffening plate；
Fig. 2 is the left view of structure shown in Fig. 1；
Fig. 3 is the structural schematic diagram after the utility model weld reinforcement plate；
Fig. 4 is the left view of structure shown in Fig. 3；
Fig. 5 is the structural schematic diagram after the utility model and I-rail welding.
In above-mentioned attached drawing: 1, I-rail linkage section；2, changeover portion；3, grooved track section, 4, rail head, 5, the web of the rail, 6, rail
Bottom, 7, stiffening plate, 8, chamfering, 9, I-rail.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present invention further detailed
Explanation, it is more complete, accurate and deep to help those skilled in the art to have the inventive concept of the utility model, technical solution
The understanding entered.
As Figure 1-Figure 5, the utility model provides a kind of special-shaped transition steel connecting for groove profile rail with I-rail
Rail, the special-shaped transition rail include the grooved track section 3 being connected as one, changeover portion 2 and I-rail linkage section 1.Groove profile
The end surface shape of orbital segment 3 is identical as the groove profile rail end face that need to be connected, therefore the end of grooved track section 3 can relatively easily weld
It connects in groove profile rail end, and there is preferable bonding strength, stress concentration will not be generated.
The shape of rail head 4 and height are identical as groove profile rail, and working edge and the groove profile rail being connected, the working edge of I-rail 9
Direction is consistent, and such working edge is not necessarily to through chamfered transition, the high stability that vehicle is run on it.I-rail linkage section 1
End and 9 end of I-rail weld, 6 depth of rail bottom of the I-rail linkage section 1 is identical as the I-rail 9 that need to be connected to be less than
The grooved track section 3, the rail bottom 6 of the changeover portion 2 are that the connection grooved track section 3 arrives the I-rail linkage section 1
Tilt rail bottom 6.This ensure that I-rail 9 is identical as 6 depth of rail bottom of this special-shaped transition rail junction.The changeover portion 2
6 width of rail bottom be greater than connected I-rail 9,6 width of rail bottom and the I-rail of the connecting pin of the I-rail linkage section 1
9 is equal, and the connecting pin side of the I-rail linkage section 1 has chamfering 8 made of beveling.The rail head of special-shaped transition rail in this way
4 and rail bottom 6 and I-rail 9 and the end face part of connection it is identical as 9 end surface shape of I-rail, when welding, will not be different because of the two
Shape and cause bonding strength to decline, influence service life.
The special-shaped transition rail is forged and pressed by one section of grooved track, rail after a part forging and stamping of the changeover portion 2
5 height of waist is less than channel suspending rail section 3 and 5 thickness of the web of the rail is greater than channel suspending rail section 3.Integral melting need not be from the beginning carried out when processing in this way
Casting, no matter equipment, rapidoprint or process time all greatly reduce than the prior art, therefore cost is relatively low, easily manufactured, fit
Close large-scale production.
5 side of the web of the rail of the connecting pin of the I-rail linkage section 1 is welded with stiffening plate 7,7 end face of stiffening plate and phase
5 end face of the web of the rail of I-rail 9 even is weldingly connected.The length of the stiffening plate 7 is equal to the changeover portion 2 and the I-rail connects
Connect the sum of the length of section 1.The shape of the stiffening plate 7 and 5 side view of the web of the rail of changeover portion 2 and the I-rail linkage section 1
It is adapted, the fitting of both sides up and down of the stiffening plate 7 is welded to 6 top surface of 4 bottom surface of rail head and rail bottom of the special-shaped transition rail.
The web of the rail 5 of script special-shaped transition rail and the web of the rail 5 of I-rail 9 are non-coplanar, it is difficult to directly weld, not only be increased by stiffening plate 7
Added the thickness of connecting pin, and can have been welded with 5 end face of the web of the rail of I-rail 9, enable this special-shaped transition rail with
9 firm welding of I-rail.Furthermore the length of stiffening plate 7 is longer can improve the strong of the part (i.e. compromise joint) for being equipped with stiffening plate 7
It is polishing to and smoothly transits after degree, 7 outside of stiffening plate and the welding region welding of the web of the rail 5, user can be greatly reduced in this way
The stress concentration of coupling part improves service life.
The length of the changeover portion 2 is not less than 170mm, and the length range of the I-rail linkage section 1 is in 90-120mm.This
Sample can guarantee the bonding strength of special-shaped transition rail, is 130MPa in 6 pressure of rail bottom, can also hold in the case of fatigue load 174KN
By 3,000,000 jerks, anti-metal fatigability is good.
Special-shaped transition rail provided by the utility model is using grider rail forging and stamping manufacture, without designing the mould of monoblock cast
The transition rail of tool, the speed of forging and stamping and energy-saving effect also superior to monoblock cast.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using changing for the various unsubstantialities that the utility model method concept and technical solution carry out
Into, or it is not improved present inventive concept and technical solution are directly applied into other occasions, the utility model protect model
Within enclosing.
Claims (8)
1. a kind of special-shaped transition rail being connect for groove profile rail with I-rail, it is characterised in that: including the slot being connected as one
Type orbital segment (3), changeover portion (2) and I-rail linkage section (1), the shape and height of rail head (4) are identical as groove profile rail, and work
Side is consistent with connected groove profile rail, the work edge direction of I-rail (9), rail bottom (6) depth of the I-rail linkage section (1) with
The I-rail (9) that need to be connected is identical to be less than the grooved track section (3), and the rail bottom (6) of the changeover portion (2) is the connection slot
Type orbital segment (3) arrives the inclination rail bottom (6) of the I-rail linkage section (1).
2. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 1, it is characterised in that:
The special-shaped transition rail is forged and pressed by one section of grooved track, and the web of the rail (5) is high after a part forging and stamping of the changeover portion (2)
Degree is less than channel suspending rail section (3) and the web of the rail (5) thickness is greater than channel suspending rail section (3).
3. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 1, it is characterised in that:
Rail bottom (6) width of the changeover portion (2) is greater than connected I-rail (9), the rail of the connecting pin of the I-rail linkage section (1)
Bottom (6) width is equal with the I-rail (9), and the connecting pin side of the I-rail linkage section (1) has chamfering.
4. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 1, it is characterised in that:
The web of the rail (5) side of the connecting pin of the I-rail linkage section (1) is welded with stiffening plate (7), stiffening plate (7) end face and phase
The web of the rail (5) end face of I-rail (9) even is weldingly connected.
5. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 4, it is characterised in that:
The length of the stiffening plate (7) is equal to the sum of the length of the changeover portion (2) and the I-rail linkage section (1).
6. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 5, it is characterised in that:
The web of the rail (5) side view of the shape of the stiffening plate (7) and changeover portion (2) and the I-rail linkage section (1) is adapted, institute
The fitting of both sides up and down for stating stiffening plate (7) is welded to rail head (4) bottom surface and rail bottom (6) top surface of the special-shaped transition rail.
7. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 6, it is characterised in that:
It is polishing to and smoothly transits after being welded on the outside of the stiffening plate (7) with the welding region of the web of the rail (5).
8. a kind of special-shaped transition rail being connect for groove profile rail with I-rail according to claim 1, it is characterised in that:
The length of the changeover portion (2) is not less than 170mm, and the length range of the I-rail linkage section (1) is in 90-120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447803.1U CN208857603U (en) | 2018-09-05 | 2018-09-05 | A kind of special-shaped transition rail being connect for groove profile rail with I-rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447803.1U CN208857603U (en) | 2018-09-05 | 2018-09-05 | A kind of special-shaped transition rail being connect for groove profile rail with I-rail |
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| Publication Number | Publication Date |
|---|---|
| CN208857603U true CN208857603U (en) | 2019-05-14 |
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| CN201821447803.1U Active CN208857603U (en) | 2018-09-05 | 2018-09-05 | A kind of special-shaped transition rail being connect for groove profile rail with I-rail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842525A (en) * | 2018-09-05 | 2018-11-20 | 芜湖中铁科吉富轨道有限公司 | A kind of special-shaped transition rail being connect for groove profile rail with I-rail |
| CN111705556A (en) * | 2020-06-30 | 2020-09-25 | 中国铁建重工集团股份有限公司 | Method for connecting 60kg/m steel rail and 80R steel rail |
-
2018
- 2018-09-05 CN CN201821447803.1U patent/CN208857603U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842525A (en) * | 2018-09-05 | 2018-11-20 | 芜湖中铁科吉富轨道有限公司 | A kind of special-shaped transition rail being connect for groove profile rail with I-rail |
| CN108842525B (en) * | 2018-09-05 | 2024-05-10 | 芜湖中铁科吉富轨道有限公司 | Special-shaped transition steel rail for connecting groove-shaped rail and I-shaped rail |
| CN111705556A (en) * | 2020-06-30 | 2020-09-25 | 中国铁建重工集团股份有限公司 | Method for connecting 60kg/m steel rail and 80R steel rail |
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