CN211252282U - Steel strip and steel-aluminum composite conductor rail - Google Patents
Steel strip and steel-aluminum composite conductor rail Download PDFInfo
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- CN211252282U CN211252282U CN201922103959.9U CN201922103959U CN211252282U CN 211252282 U CN211252282 U CN 211252282U CN 201922103959 U CN201922103959 U CN 201922103959U CN 211252282 U CN211252282 U CN 211252282U
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Abstract
The utility model discloses a steel belt and a steel-aluminum composite conductor rail, wherein the section of the steel belt is of a pi-shaped structure and comprises a steel belt body and two supporting legs; the two supporting legs are symmetrically located below the steel strip body, and arc grooves are formed in the outer sides of the supporting legs along the length direction of the steel strip. The steel band is used for a steel-aluminum composite conductor rail, and the width of the stainless steel band is the same as that of the aluminum rail, so that the effective contact surface width of the stainless steel band and a collector shoe is increased, the effective current-donating surface area ratio is increased, the reliable current collection of the collector shoe is ensured, and the tensile resistance standard requirement of the stainless steel band and the aluminum rail along the line direction of the composite conductor rail and the pull-out resistance standard requirement of the stainless steel band and the aluminum rail along the vertical line direction are met.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit, concretely relates to steel band and steel-aluminum composite conductor rail.
Background
The steel-aluminum composite conductor rail is a power supply rail in an urban rail transit traction network and is an integral body formed by compounding a stainless steel belt and an aluminum rail on a contact surface.
Referring to fig. 1 and fig. 2, the conventional steel-aluminum composite conductor rail includes a riveting type and a welding type, but the width of the aluminum rail after being composited is not consistent with the actual effective surface width of the stainless steel band due to the composite process requirement of the riveting or welding type, and the requirement cannot be met well when the installation limit of the line equipment is small.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems existing in the prior art, the utility model provides a steel band and steel-aluminum composite conductor rail. The to-be-solved technical problem of the utility model is realized through following technical scheme:
the steel belt has a section of a Pi-shaped structure and comprises a steel belt body and two supporting legs; the two supporting legs are symmetrically located below the steel strip body, and arc grooves are formed in the outer sides of the supporting legs along the length direction of the steel strip.
The utility model discloses an embodiment, the first tooth's socket of steel band length direction equipartition is followed in the lower extreme outside of supporting leg, just first tooth's socket with the circular arc recess link up.
The utility model discloses an embodiment, steel band body both sides limit lower surface is along steel band length direction equipartition second tooth's socket.
In an embodiment of the present invention, the first tooth space and the second tooth space are any one of a triangle, a rectangle, and a trapezoid.
A steel-aluminum composite conductor rail comprises an aluminum rail and a steel belt, wherein two grooves are symmetrically formed in two sides of the rail top of the aluminum rail along the length direction, and arc bulges are symmetrically formed on the outer side walls of the two grooves along the length direction; the section of the steel belt is in a Pi shape and comprises a steel belt body and two supporting legs; the two support legs are symmetrically positioned below the steel strip body, and arc grooves are formed in the outer sides of the two support legs along the length direction of the steel strip; the steel band lock is in the railhead of aluminium rail, and its two the supporting leg inserts respectively in the twice recess to make through the extrusion the railhead both sides of aluminium rail the circular arc arch imbeds in the circular arc recess, will the aluminium rail with steel band machinery complex is as an organic whole.
In an embodiment of the present invention, the widths of the aluminum rail and the steel strip are equal, the radius of the arc protrusion is slightly larger than the radius of the arc groove, first tooth sockets are uniformly distributed on the outer side of the lower end of the support leg along the length direction of the steel strip, and the first tooth sockets are communicated with the arc groove; when the arc protrusion is embedded into the arc groove, the lower part of the arc protrusion is embedded into the first tooth groove.
In an embodiment of the present invention, the widths of the aluminum rail and the steel strip are equal, and the height of the rail top of the aluminum rail at the outer part of the groove is slightly larger than the height of the inner part of the groove; second tooth grooves are uniformly distributed on the lower surfaces of two side edges of the steel belt body along the length direction of the steel belt; when the arc protrusion is embedded into the arc groove, the top of the aluminum rail is positioned at the outer part of the groove and embedded into the second tooth groove.
In an embodiment of the present invention, the first tooth space and the second tooth space are any one of a triangle, a rectangle, and a trapezoid.
The utility model has the advantages that:
1. the utility model adopts the steel belt structure with the Pi-shaped toothed grooves, which meets the tensile resistance standard requirement between the stainless steel belt and the aluminum rail along the line direction of the composite conductor rail and the pull resistance standard requirement between the stainless steel belt and the aluminum rail along the vertical line direction;
2. the width of the stainless steel strip is the same as that of the aluminum rail, so that the effective contact surface width of the stainless steel strip and the collector shoe is increased, the effective current-donating surface area ratio is increased, and the reliable current collection of the collector shoe is ensured;
3. the stainless steel band and the aluminum rail are compounded in a bilateral rolling mode or an extrusion mode, so that the production efficiency can be further improved, and the compounding quality is ensured.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of a conventional riveting-type composite conductor rail;
fig. 2 is a schematic structural view of a conventional welded composite conductor rail;
FIG. 3 is a schematic structural view of a steel strip of example 1;
FIG. 4 is a schematic structural view of a steel strip of example 2;
FIG. 5 is a schematic structural view of an I-shaped steel-aluminum composite conductor rail according to example 3;
FIG. 6 is a schematic structural view of the "C" -shaped steel-aluminum composite conductor rail of example 4;
FIG. 7 is a schematic structural view of an "I" shaped steel-aluminum composite conductor rail of example 5;
FIG. 8 is a schematic structural view of the "C" -shaped steel-aluminum composite conductor rail of example 6.
Description of reference numerals:
1-a steel strip body; 2-supporting legs; 3-arc groove; 4-a first tooth slot; 5-a second tooth socket; 6-aluminum rail; 7-a steel belt; 8-a groove; 9-arc bulge.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Example 1
Referring to fig. 3, an embodiment of the present invention provides a steel strip, the cross section of which is a pi-shaped structure, and the steel strip mainly includes a steel strip body 1 and two supporting legs 2, the two supporting legs 2 are symmetrically located below the steel strip body 1, and the outer sides of the two supporting legs 2 are provided with arc grooves 3 along the length direction of the steel strip.
Furthermore, first tooth spaces 4 are uniformly distributed on the outer side of the lower end of the supporting leg 2 along the length direction of the steel strip, and the first tooth spaces 4 are communicated with the arc grooves 3.
Further, the first tooth grooves 4 may have any one of a triangular shape, a rectangular shape, and a trapezoidal shape.
The steel strip is integrally formed in a hot rolling mode, and the production efficiency is improved.
Example 2
Referring to fig. 4, an embodiment of the present invention provides a steel strip, the cross section of which is a pi-shaped structure, and the steel strip mainly includes a steel strip body 1 and two supporting legs 2, the two supporting legs 2 are symmetrically located below the steel strip body 1, and the outer sides of the two supporting legs 2 are provided with arc grooves 3 along the length direction of the steel strip.
Further, second tooth grooves 5 are uniformly distributed on the lower surfaces of the two sides of the steel belt body 1 along the length direction of the steel belt.
Further, the second teeth grooves 5 may have any one of a triangular shape, a rectangular shape, and a trapezoidal shape.
The steel strip can be integrally formed in a hot rolling mode, so that the production efficiency is improved; of course, other forming methods can be adopted.
Example 3
Please refer to fig. 3 and 5 at the same time, an embodiment of the present invention provides an "i" shaped steel-aluminum composite conductor rail, which includes an "i" shaped aluminum rail 6 and a steel belt 7, and is characterized in that two sides of the rail top of the aluminum rail 6 are symmetrically provided with two grooves 8 along the length direction, and the outer side walls of the two grooves 8 are symmetrically provided with arc protrusions 9 along the length direction; the section of the steel belt 7 is pi-shaped and comprises a steel belt body 1 and two supporting legs 2; the two support legs 2 are symmetrically positioned below the steel strip body 1, and arc grooves 3 are formed in the outer sides of the two support legs 2 along the length direction of the steel strip 7; the steel belt 7 is buckled at the rail top of the aluminum rail 6, the two supporting legs 2 are respectively inserted into the two grooves 8, the arc protrusions 9 are embedded into the arc grooves 3 by extruding the two sides of the rail top of the aluminum rail 6, and the aluminum rail 6 and the steel belt 7 are mechanically combined into a whole.
This circular arc recess 3 can make steel band 7 more firm with the connection of aluminium rail 6 along perpendicular line direction, and the mode that circular arc recess 3 connected steel band 7 and aluminium rail 6 simultaneously is more convenient than the mode that riveting or welding made steel band 7 and aluminium rail 6 be connected.
It should be noted that the specific parameters of the arc groove 3 are obtained according to the test standard of the composite conductor rail, and the test basis is whether the anti-pulling force between the steel strip 7 and the aluminum rail 6 along the line direction can meet the requirements, which is not specifically limited herein.
In the embodiment of the present invention and the following embodiments, the steel belt 7 is a stainless steel belt.
Furthermore, the widths of the aluminum rail 6 and the steel belt 7 are equal, the radius of the arc protrusion 9 is slightly larger than that of the arc groove 3, first tooth grooves 4 are uniformly distributed on the outer side of the lower end of the support leg 2 along the length direction of the steel belt, and the first tooth grooves 4 are communicated with the arc groove 3; the arc protrusion 9 is inserted into the arc groove 3, and simultaneously, the lower portion of the arc protrusion 9 is inserted into the first tooth groove 4.
The widths of the aluminum rail 6 and the steel belt 7 are equal, so that the effective contact surface width of the steel belt 7 and the collector shoe can be increased, the effective current-donating surface area ratio is increased, and the reliable current collection of the collector shoe is ensured.
This first tooth's socket 4 can prevent that steel band 7 from following 6 longitudinal sliding of aluminium rail, slides along the line direction promptly, and steel band 7 slides along the line direction with aluminium rail 6 and can cause two compound conductor rail joint's steel band body 1 to appear great seam, causes collecting shoe to receive the current not smooth even damage easily, can produce great noise when collecting shoe passes through simultaneously.
Further, the first tooth grooves 4 may have any one of a triangular shape, a rectangular shape, and a trapezoidal shape.
Furthermore, the width and the depth of the first tooth spaces 4 and the distance between the adjacent first tooth spaces 4 are obtained according to a test of a composite conductor rail test standard, the test is based on whether the tensile resistance between the steel belt 7 and the aluminum rail 6 along the line direction can meet the requirement, if the parameter setting is unreasonable, the combination performance of the steel belt 7 and the aluminum rail 6, namely the tensile resistance between the steel belt 7 and the aluminum rail 6 along the line direction cannot meet the standard requirement, the steel belt 7 and the aluminum rail 6 are easy to cause the dislocation caused by the translation of the end face due to different expansion coefficients when the steel belt 7 and the aluminum rail 6 expand with heat and contract with cold, and the normal power supply of the composite conductor rail is finally influenced.
Furthermore, the width of the tooth socket can be 1-2 mm, the depth is 0.5-2.5 mm, and the distance between two adjacent first tooth sockets 4 is 3-5 mm.
Example 4
The embodiment of the utility model provides a same with embodiment 3's compound conductor rail of steel aluminium structure, the only difference lies in the utility model discloses the shape of aluminium rail 6 of embodiment is "C" type, and its schematic structure please refer to simultaneously figure 3 and figure 6.
Example 5
Referring to fig. 4 and 7, an embodiment of the present invention provides an "i" shaped steel-aluminum composite conductor rail, which includes an "i" shaped aluminum rail 6 and a steel belt 7, and is characterized in that two grooves 8 are symmetrically formed on two sides of a rail top of the aluminum rail 6 along a length direction, and arc protrusions 9 are symmetrically formed on outer side walls of the two grooves 8 along the length direction; the section of the steel belt 7 is pi-shaped and comprises a steel belt body 1 and two supporting legs 2; the two support legs 2 are symmetrically positioned below the steel strip body 1, and arc grooves 3 are formed in the outer sides of the two support legs 2 along the length direction of the steel strip; the steel belt 7 is buckled at the rail top of the aluminum rail 6, the two supporting legs 2 are respectively inserted into the two grooves 8, the arc protrusions 9 are embedded into the arc grooves 3 by extruding the two sides of the rail top of the aluminum rail 6, and the aluminum rail 6 and the steel belt 7 are mechanically combined into a whole.
Further, the widths of the aluminum rail 6 and the steel strip 7 are equal, and the height of the rail top of the aluminum rail 6 at the outer part of the groove 8 is slightly larger than the height of the inner part of the groove 8; the lower surfaces of two side edges of the steel belt body 1 are uniformly distributed with second tooth grooves 5 along the length direction of the steel belt; the arc bulge 9 is embedded into the arc groove 3, and simultaneously, the rail top of the aluminum rail 6 is positioned at the outer part of the groove 8 and is embedded into the second tooth groove 5.
Note that the second tooth grooves 5 function in the same manner as the first tooth grooves 4.
Further, the second teeth grooves 5 may have any one of a triangular shape, a rectangular shape, and a trapezoidal shape.
Example 6
The embodiment of the utility model provides a same with embodiment 5's compound conductor rail of steel aluminium structure, the only difference lies in the utility model discloses the shape of aluminium rail 6 of embodiment is "C" type, and its schematic structure please refer to simultaneously figure 4 and figure 8.
It should be noted that the steel strip 7 described in embodiments 3 and 4 of the present invention is the steel strip of embodiment 1 of the present invention; the utility model discloses in embodiment 5 and embodiment 6 steel band 7 be exactly the utility model discloses embodiment 2's steel band.
Because the two sides of the composite steel belt of the existing riveting mode are required to be provided with holes, and the efficiency of riveting and compositing is directly reduced by the steel belt drilling or punching process. The utility model discloses a roll extrusion or extruded mode are direct to compound steel band and aluminium rail, have saved the process of drilling or punching a hole, have improved production efficiency, and have guaranteed composite quality.
The utility model discloses a steel band structure that the cross-section is pi style of calligraphy area tooth's socket has satisfied conductor rail line direction stainless steel band along the line and the stretching resistance standard requirement of aluminium rail and along the withdrawal resistance standard requirement of perpendicular line direction stainless steel band and aluminium rail.
The utility model discloses the width of well stainless steel band is the same with the width of aluminium rail to it is wide to have increased the effective contact surface of stainless steel band with collector shoe, has increased effective surface of awarding current and has accounted for the ratio, has guaranteed the reliable current collection of collector shoe.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The steel belt is characterized in that the section of the steel belt is of a Pi-shaped structure and comprises a steel belt body and two supporting legs; the two supporting legs are symmetrically located below the steel strip body, and arc grooves are formed in the outer sides of the supporting legs along the length direction of the steel strip.
2. The steel strip of claim 1, wherein first tooth grooves are uniformly distributed on the outer side of the lower end of the support leg along the length direction of the steel strip, and the first tooth grooves are communicated with the arc grooves.
3. The steel strip of claim 1, wherein the lower surfaces of the two sides of the steel strip body are uniformly provided with second tooth grooves along the length direction of the steel strip.
4. The steel strip of claim 2, wherein the first gullet is any one of triangular, rectangular and trapezoidal.
5. The steel strip of claim 3, wherein the second gullets are any one of triangular, rectangular and trapezoidal.
6. A steel-aluminum composite conductor rail comprises an aluminum rail and a steel belt, and is characterized in that two sides of the rail top of the aluminum rail are symmetrically provided with two grooves along the length direction, and the outer side walls of the two grooves are symmetrically provided with arc bulges along the length direction; the section of the steel belt is in a Pi shape and comprises a steel belt body and two supporting legs; the two support legs are symmetrically positioned below the steel strip body, and arc grooves are formed in the outer sides of the two support legs along the length direction of the steel strip; the steel band lock is in the railhead of aluminium rail, and its two the supporting leg inserts respectively in the twice recess to make through the extrusion the railhead both sides of aluminium rail the circular arc arch imbeds in the circular arc recess, will the aluminium rail with steel band machinery complex is as an organic whole.
7. The steel-aluminum composite conductor rail according to claim 6, wherein the aluminum rail and the steel strip are equal in width, the radius of the arc protrusion is slightly larger than that of the arc groove, first tooth grooves are uniformly distributed on the outer side of the lower end of the support leg along the length direction of the steel strip, and the first tooth grooves are communicated with the arc groove; when the arc protrusion is embedded into the arc groove, the lower part of the arc protrusion is embedded into the first tooth groove.
8. The steel-aluminum composite conductor rail according to claim 6, wherein the aluminum rail and the steel strip are equal in width, and the height of the top of the aluminum rail at the outer part of the groove is slightly larger than the height of the inner part of the groove; second tooth grooves are uniformly distributed on the lower surfaces of two side edges of the steel belt body along the length direction of the steel belt; when the arc protrusion is embedded into the arc groove, the top of the aluminum rail is positioned at the outer part of the groove and embedded into the second tooth groove.
9. The steel-aluminum composite conductor rail according to claim 7, wherein the first gullet is any one of triangular, rectangular and trapezoidal.
10. The steel-aluminum composite conductor rail according to claim 8, wherein the second gullet is any one of triangular, rectangular and trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922103959.9U CN211252282U (en) | 2019-11-29 | 2019-11-29 | Steel strip and steel-aluminum composite conductor rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922103959.9U CN211252282U (en) | 2019-11-29 | 2019-11-29 | Steel strip and steel-aluminum composite conductor rail |
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| Publication Number | Publication Date |
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| CN211252282U true CN211252282U (en) | 2020-08-14 |
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| CN201922103959.9U Active CN211252282U (en) | 2019-11-29 | 2019-11-29 | Steel strip and steel-aluminum composite conductor rail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746842A (en) * | 2018-07-30 | 2018-11-06 | 格力电器（武汉）有限公司 | Analyse equipment |
| CN110745034A (en) * | 2019-11-29 | 2020-02-04 | 中铁高铁电气装备股份有限公司 | Special-shaped steel belt and steel-aluminum composite conductor rail |
-
2019
- 2019-11-29 CN CN201922103959.9U patent/CN211252282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746842A (en) * | 2018-07-30 | 2018-11-06 | 格力电器（武汉）有限公司 | Analyse equipment |
| CN110745034A (en) * | 2019-11-29 | 2020-02-04 | 中铁高铁电气装备股份有限公司 | Special-shaped steel belt and steel-aluminum composite conductor rail |
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