CN104827915A - Streamline high-speed pantograph type current collector head - Google Patents
Streamline high-speed pantograph type current collector head Download PDFInfo
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- CN104827915A CN104827915A CN201510306662.6A CN201510306662A CN104827915A CN 104827915 A CN104827915 A CN 104827915A CN 201510306662 A CN201510306662 A CN 201510306662A CN 104827915 A CN104827915 A CN 104827915A
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Abstract
The invention discloses a streamline high-speed pantograph type current collector head. Limiting holes (6) are formed in the two ends of a sliding board (1) respectively, two arch angles (2) penetrate through the limiting holes (6) respectively and are fixed connected to a sleeve (5) or a beam (10), and supports (4) are fixedly connected to the two ends of the sleeve (5) or the beam (10) or fixedly connected to the arch angles (2). The two ends of the sliding board (1) are connected with the supports (4) through plate springs respectively. The center axes of the plate springs are perpendicular to the moving direction of a vehicle. Plate faces are parallel to the moving direction of the vehicle. The cross sections of the beam (10) and the arch angles (2) are each of a streamline shape. Each support is directly connected with the sliding board through one simple plate spring and the collector head, the springs, the beam and the arch angles are each of a streamline shape. The collector head has the advantages that the structure is simple, the size is small, weight is low, the aerodynamic characteristic is good, and the collector head is particularly suitable for a high-speed pantograph and overhead contact wire system.
Description
Technical field
The present invention relates to a kind of head of high-speed pantograph, particularly relate to a kind of streamline contour head of high-speed pantograph.
Background technology
Pantograph is the equipment that contact system is powered to motor train unit or electric locomotive.Because motor train unit or electric locomotive are that on the go contacts with contact system, require very high to the dynamic characteristics of pantograph.Bow is the critical component of pantograph, and the requirement of pantograph to bow is, structure is simple, lightweight, volume is little, air dynamic behaviour is good.At present, there is a variety of high speed pantograph in the world, also have a variety of head of high-speed pantograph.But the cross-sectional plane of pantograph pan is not swept-out, be rhombus at most; Support the spring suspended structure of pantograph pan, also do not possess streamline contour feature; At present, the spring supporting form of pantograph collector head mainly contains 2 kinds, and one is that spring case supports, and it is that bow support spring is arranged in a spring case, is connected with pantograph pan by a root post; Another kind is that spring suspension type connects, and it hangs one group of spring device on the bow angle of pantograph, is connected with slide plate.These supported by springs features are complex structures, bulky, Heavy Weight, air dynamic behaviour are bad.In general, the major part of the bow of composition pantograph, slide plate, support spring, Gong Jiao, crossbeam etc., all also exist the problem optimizing air dynamic behaviour.
Spring suspension type bow adopts 2 slide plates i.e. two slide plate usually.Because every root slide plate must have certain thickness, therefore the slide plate tranverse sectional thickness of this spring supporting mode is substantially equal with width, normally rectangle, what improve a little is made by cross-sectional plane polygonal, slide plate cross-sectional plane can not be made swept-out.Greatly have impact on its air dynamic behaviour, reduce the quality of current collection at high speed.
For now widely used single arm pantograph, the angle due to upper frame is change, and the push pipe supporting pantograph pan can only do conglobate.Aerodynamic characteristics also haves much room for improvement.
Summary of the invention
Technical matters to be solved by this invention is to provide the streamline contour head of high-speed pantograph that a kind of volume is little, lightweight, aerodynamic characteristics has larger improvement.
In order to solve the problems of the technologies described above, streamline contour head of high-speed pantograph provided by the invention, comprise slide plate, sleeve pipe and push pipe, described slide plate is single slide plate, described casing pipe sleeve also freely can rotate in described push pipe in described push pipe, described slide plate is respectively arranged with spacing hole at two ends, the described spacing hole that two bow angles are each passed through described slide plate two ends is cemented in described sleeve pipe respectively, two bearings are cemented on described sleeve pipe or described bow angle respectively, the two ends of described slide plate are equipped with spring, one end and the described slide plate of each described spring are connected, the other end and described bearing are connected, the central axis of the spring described in two is vertical with vehicle operating direction.
Wide in the middle part of described slide plate, two ends, left and right are narrow, and middle part is wider than two ends 1.2 ~ 1.5 times.
The cross-sectional plane of described slide plate does streamlining, and the shape of namely described slide plate cross-sectional plane is upper and lower two limits is linears, and limit, two, left and right is circular arc or parabola shaped.
Described spring is " U " shape laminated spring, and described " U " shape laminated spring is provided with through hole, and described bow angle is through described through hole.
Described through hole is kidney ellipsoid through hole, and the two ends of namely described kidney ellipsoid through hole are circular arc, and centre is parallel lines.
Described spring is straight-plate-type spring, and one end of described straight-plate-type spring is connected with the end winding support of described slide plate, and the other end is fixedly connected with described bearing, and the axis of straight laminated spring is vertical with direction of vehicle movement.
Described spring is " V " shape laminated spring, and one end of described " V " shape laminated spring is fixedly connected with described slide plate, and the other end is fixedly connected with described bearing, and described " V " shape laminated spring is provided with through hole, and described bow angle is through described through hole.
The cross-sectional plane at described bow angle is streamline contour, and swept-out shape is oval, and oval major axis is parallel with vehicle operating direction.
A kind of streamline contour head of high-speed pantograph, comprise slide plate and crossbeam, described slide plate is single slide plate, described slide plate is respectively arranged with spacing hole at two ends, two bearings are cemented in described crossbeam two ends respectively, the two ends of described slide plate are equipped with " U " shape laminated spring, one end and the described slide plate of described " U " shape laminated spring are connected, the other end and described bearing are connected, vertical with vehicle operating direction by the central axis of " U " shape laminated spring described in two, each described " U " shape laminated spring is equipped with through hole, two bow angles are each passed through the through hole on the spacing hole at described slide plate two ends and " U " shape laminated spring and are cemented on described crossbeam.
The cross-sectional plane of described crossbeam is streamline contour, and cross-sectional plane swept-out shape is oval, or upper and lower two limits of cross-sectional plane are linear, and two ends are parabola shaped or circular, and the major axis of cross-sectional plane is parallel with vehicle operating direction.
Adopt the streamline contour head of high-speed pantograph of technique scheme, significantly improve the spring supporting mode of bow.Traditional a complex set of spring cupport structure is only replaced with two panels laminated spring.And direct laminated spring connects together slide plate and bearing.The plane of laminated spring is parallel with vehicle operating direction, and axis is vertical with vehicle operating direction.Not only volume reduces greatly, and weight alleviates greatly, and aerodynamic characteristics have also been obtained great improvement.
Sled design of the present invention is single slide plate, and the width of single slide plate is at least 2 times of two each root slide plate width of slide plate.Width increase makes the cross-sectional plane of slide plate to make swept-out.Slide plate adopts equal thickness design, but the middle part of slide plate is wider than two ends 1.2 ~ 1.5 times.The present invention due to width in the middle part of slide plate comparatively large, recessed also much smaller in the middle part of degree of depth abrasion tail skid, not only increase the slide plate life-span, also improve by family status matter.Widen in the middle part of slide plate and also help slide plate and keep better streamline contour characteristic.Slide plate is also provided with spacing hole at two ends.Do like this and not only maintain pantograph collector head and have failure-free spacing, alleviate again the weight of slide plate.Tradition pantograph is after contact wire skids off pantograph pan, and slide plate can be upspring, thus causes drill bow fault.Bow angle of the present invention is inserted and secured in sleeve pipe or crossbeam by the spacing hole on slide plate, even if contact wire skids off slide plate, also drill bow fault can not occur.
Compared with prior art, the invention has the beneficial effects as follows:
One, enormously simplify the bow structure of pantograph.
Two, alleviate bow weight, greatly can improve the followability of pantograph.
Three, the bow air dynamic behaviour of pantograph is substantially improved.Pantograph is made to adapt to higher speed.
Four, can effectively avoid drill bow fault, use safer.
In sum, the present invention is the streamline contour head of high-speed pantograph that a kind of volume is little, lightweight, aerodynamic characteristics is greatly improved.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure entity design figure of embodiments of the invention 1.
Fig. 2 is the three-dimensional structure entity design figure of embodiments of the invention 2.
Fig. 3 is the three-dimensional structure entity design figure of embodiments of the invention 3.
Fig. 4 is the bright axle of spring schematic diagram of this law.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiments of the invention 1, see Fig. 1 and Fig. 4.Sleeve pipe 5 is enclosed within push pipe 8 and also freely can rotates in push pipe 8, and the two ends of sleeve pipe 5 are installed with bearing 4 respectively.Slide plate 1 is designed to single slide plate, the width of slide plate 1 is at least 2 times of each the root slide plate width in two slide plate pantograph collector head, the cross-sectional plane of slide plate 1 does streamlining and adopts equal thickness design, slide plate 1 is respectively arranged with spacing hole 6 at two ends, the two ends of slide plate 1 are equipped with " U " shape spring 3, one end of each " U " shape spring 3 is fixedly connected with slide plate 1, the other end is fixedly connected with the bearing 4 be fixed on sleeve pipe 5, the central axis of two " U " shape springs 3 is vertical with vehicle operating direction, " U " shape spring 3 is provided with through hole, two bow angles 2 are fixed in sleeve pipe 5 through the spacing hole 6 of slide plate 1 and the through hole of " U " shape spring 3, preferably, through hole is kidney ellipsoid through hole 7, namely the two ends of kidney ellipsoid through hole 7 are circular arc, centre is parallel lines.
Particularly, former and later two sides of slide plate 1 are streamline contour, and the shape of slide plate 1 cross-sectional plane is upper and lower two limits is linears, and limit, two, left and right is circular arc or parabola shaped.
Further, wide in the middle part of slide plate 1, two ends, left and right are narrow, and the middle part of slide plate 1 is wider than two ends 1.2 ~ 1.5 times.
Further, the cross-sectional plane at bow angle 2 is streamline contour, and swept-out shape is oval, and oval major axis is parallel with vehicle operating direction.
See Fig. 1, bearing 4 also can be fixed on the appropriate location on bow angle 2, then consolidation " U " shape spring 3.
For " U " shape spring 3 shown in Fig. 1, form with spring plate rolling.In order to less stress is concentrated, the through hole opened in the middle part of " U " shape spring 3 can not be rectangle, and should be kidney ellipsoid through hole 7, namely the two ends in hole are circular arc, and centre is parallel lines.
For " U " shape spring 3 shown in Fig. 1, can replace with " V " shape spring, one end of " V " shape spring is fixedly connected with slide plate 1, the other end is fixedly connected with bearing 4, bearing 4 is fixedly connected on sleeve pipe 5, and " V " shape spring is provided with through hole, and bow angle 2 is through through hole.
For " U " shape spring 3 shown in Fig. 1, can replace with two parallel spring wires, one end of these two spring wires is fixedly connected with slide plate 1, and the other end is fixedly connected with bearing 4, bearing 4 is fixedly connected on sleeve pipe 5, and bow angle 2 is fixed in sleeve pipe through the gap of two spring wires.
Embodiments of the invention 2, see Fig. 2, sleeve pipe 5 is enclosed within push pipe 8 and also freely can rotates in push pipe 8.The two ends of sleeve pipe 5 are installed with bearing 4.Slide plate 1 is designed to single slide plate, the width of slide plate 1 is at least 2 times of two each root slide plate width of slide plate, the cross-sectional plane of slide plate 1 does streamlining and adopts equal thickness design, slide plate 1 is also respectively arranged with spacing hole 6 at two ends, the other end at two bow angles 2 is each passed through spacing hole 6, is inserted and secured in sleeve pipe 5.One end of straight-plate-type spring 31 is fixedly connected with slide plate 1, and the other end is fixedly connected with bearing 4.The axis of straight laminated spring is vertical with direction of vehicle movement, and spring plate face is parallel with direction of vehicle movement.
For the straight-plate-type spring 31 shown in Fig. 2, the production method of its spring itself can have various ways, as rolling, shearing etc.The difficulty of scheme two is the intensity strengthening slide plate 1 two ends.In order to increase the intensity at slide plate 1 two ends, stainless sheet steel covering measure etc. can be adopted at the two ends of slide plate 1.
Further, the middle part of slide plate 1 is wider than two ends 1.2 ~ 1.5 times.
See Fig. 2, also bearing 4 can be fixed on the appropriate location at bow angle 2, bow angle 2 is inserted by spacing hole 6 and is cemented in sleeve pipe 5, then by straight-plate-type spring 31 consolidation on the carrier 4.
Embodiments of the invention 3, see Fig. 3 and Fig. 4.Fig. 3 is a kind of air-cylinder type pantograph, and it instead of the framework of other pantograph with multi-stage cylinder 9.Slide plate 1 is designed to single slide plate, and the width of slide plate 1 is at least 2 times of each the root slide plate width in two slide plate pantograph collector head, and the cross-sectional plane of slide plate 1 does streamlining and adopts equal thickness design, and two bearings 4 are cemented in two ends of crossbeam 10 respectively.The two ends of slide plate 1 are equipped with " U " shape spring 3, and " U " shape spring 3 is provided with through hole, and preferably, through hole is kidney ellipsoid through hole 7, and namely the two ends of kidney ellipsoid through hole 7 are circular arc, and centre is parallel lines.Each " U " shape spring 3 one end is connected slide plate 1, and the other end is connected bearing 4.Two bow angles 2 are each passed through the spacing hole 6 of slide plate 1 and the kidney ellipsoid through hole 7 of " U " shape spring 3 and are fixed on the end of crossbeam 10, and two " U " shape spring 3 axis 12 are vertical with vehicle operating direction.Crossbeam 10 is by the top consolidation of bearing 11 with multi-stage cylinder 9.The bow form of Fig. 3 can also be connected with single upper arm pantograph common in engineering by bearing 11.
Particularly, former and later two sides of slide plate 1 are streamline contour, and the shape of slide plate 1 cross-sectional plane is upper and lower two limits is linears, and limit, two, left and right is circular arc or parabola shaped.
Further, wide in the middle part of slide plate 1, two ends, left and right are narrow, and the middle part of slide plate 1 is wider than two ends 1.2 ~ 1.5 times.
Further, the cross-sectional plane at bow angle 2 is streamline contour, and swept-out shape is oval, and oval major axis is parallel with vehicle operating direction.
See Fig. 1, Fig. 2 and Fig. 3.Adopt the streamline contour head of high-speed pantograph of technique scheme, significantly improve the spring supporting mode of bow.Traditional a complex set of spring cupport structure is only replaced with two panels laminated spring, enormously simplify the bow structure of pantograph.It not only volume greatly reduce, weight alleviates greatly, and aerodynamic characteristics have also been obtained great improvement.But the structural strength of the program to slide plate two ends proposes requirements at the higher level.This scheme needs to take special reinforcement measure at slide plate two ends.
Slide plate 1 of the present invention is designed to single slide plate, and the width of single slide plate is at least 2 times of two each root slide plate width of slide plate.Width increase makes the cross-sectional plane of slide plate 1 to make swept-out.Conventional skateboard is for improving resistance to abrasion, and usually all the middle part of slide plate is done thicker, two ends are thinner.The slide plate 1 of the present invention's design, adopt equal thickness design, but the middle part of slide plate 1 is wider than two ends, is generally wide 1.2 ~ 1.5 times.Conventional skateboard improves resistance to abrasion by the thickness increased in the middle part of slide plate, and the present invention improves resistance to abrasion by the width increasing middle part.After the abrasion of the conventional skateboard degree of depth, middle part is recessed very serious, trembles when contact wire is slided on slide plate.The present invention due to width in the middle part of slide plate 1 comparatively large, recessed also much smaller in the middle part of degree of depth abrasion tail skid 1, not only increase slide plate 1 life-span, also improve by family status matter.Widen in the middle part of slide plate and also help slide plate and keep better streamline contour characteristic.Slide plate 1 is also provided with spacing hole 6 at two ends.Do like this and not only maintain pantograph collector head and have failure-free spacing, alleviate again the weight of slide plate 1.Tradition pantograph is after contact wire skids off pantograph pan, and slide plate can be upspring, and can cause drill bow pantograph and catenary fault.Bow angle 2 of the present invention is inserted in bearing 4 by the spacing hole 6 on slide plate 1, even if contact wire skids off slide plate 1, also drill bow fault can not occur.
Claims (10)
1. a streamline contour head of high-speed pantograph, comprise slide plate (1), sleeve pipe (5) and push pipe (8), described sleeve pipe (5) is enclosed within described push pipe (8) and also freely can rotates in described push pipe (8), it is characterized in that: described slide plate (1) is respectively arranged with spacing hole (6) at two ends, two bows angle (2) are each passed through the spacing hole (6) at described slide plate (1) two ends and are cemented in described sleeve pipe (5), two bearings (4) are cemented on described sleeve pipe (5) or described bow angle (2) respectively, the two ends of described slide plate (1) are equipped with spring, one end and the described slide plate (1) of each described spring are connected, the other end and described bearing (4) are connected, the axis (12) of the spring described in two is vertical with vehicle operating direction.
2. streamline contour head of high-speed pantograph according to claim 1, is characterized in that: described slide plate (1) middle part is wide, and two ends, left and right are narrow, and middle part is wider than two ends 1.2 ~ 1.5 times.
3. streamline contour head of high-speed pantograph according to claim 1 and 2, it is characterized in that: the cross-sectional plane of described slide plate (1) does streamlining, the shape of namely described slide plate (1) cross-sectional plane is upper and lower two limits is linears, and limit, two, left and right is circular arc or parabola shaped.
4. streamline contour head of high-speed pantograph according to claim 1 and 2, it is characterized in that: described spring is " U " shape laminated spring (3), described " U " shape laminated spring (3) is provided with through hole, described bow angle (2) is through described through hole, the axis (12) of laminated spring (3) is vertical with direction of vehicle movement, and plate face is parallel with direction of vehicle movement.
5. streamline contour head of high-speed pantograph according to claim 4, is characterized in that: described through hole is kidney ellipsoid through hole (7), and the two ends of namely described kidney ellipsoid through hole (7) are circular arc, and centre is parallel lines.
6. streamline contour head of high-speed pantograph according to claim 1 and 2, it is characterized in that: described spring is straight-plate-type spring (31), one end of described straight-plate-type spring (31) is connected with the end winding support of described slide plate (1), the other end is fixedly connected with described bearing (4), the axis of straight laminated spring (31) is vertical with direction of vehicle movement, and plate face is parallel with direction of vehicle movement.
7. streamline contour head of high-speed pantograph according to claim 1 and 2, it is characterized in that: described spring is " V " shape laminated spring, one end of described " V " shape laminated spring is fixedly connected with described slide plate (1), the other end is fixedly connected with described bearing (4), described " V " shape laminated spring is provided with through hole, and described bow angle (2) is through described through hole.
8. streamline contour head of high-speed pantograph according to claim 1 and 2, is characterized in that: the cross-sectional plane at described bow angle (2) is streamline contour, and swept-out shape is oval, and oval major axis is parallel with vehicle operating direction.
9. a streamline contour head of high-speed pantograph, comprise slide plate (1) and crossbeam (10), it is characterized in that: described slide plate (1) is respectively arranged with spacing hole (6) at two ends, two bearings (4) are cemented in described crossbeam (10) two ends respectively, the two ends of described slide plate (1) are equipped with " U " shape laminated spring (3), one end and the described slide plate (1) of described " U " shape laminated spring (3) are connected, the other end and described bearing (4) are connected, vertical with vehicle operating direction by the central axis (12) of " U " shape laminated spring (3) described in two, each described " U " shape laminated spring (3) is equipped with through hole, two bows angle (2) are each passed through the through hole on the described spacing hole (6) at described slide plate (1) two ends and described " U " shape laminated spring (3) and are cemented on described crossbeam (10).
10. streamline contour head of high-speed pantograph according to claim 9, it is characterized in that: the cross-sectional plane of described crossbeam (10) is streamline contour, cross-sectional plane swept-out shape is oval, or upper and lower two limits of cross-sectional plane are linear, two ends are parabola shaped or circular, and the major axis of cross-sectional plane is parallel with vehicle operating direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306662.6A CN104827915A (en) | 2014-06-27 | 2015-06-06 | Streamline high-speed pantograph type current collector head |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014102987569 | 2014-06-27 | ||
| CN201410298756.9A CN104044467A (en) | 2014-06-27 | 2014-06-27 | Direct-connection-type high-speed pantograph head |
| CN201510306662.6A CN104827915A (en) | 2014-06-27 | 2015-06-06 | Streamline high-speed pantograph type current collector head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104827915A true CN104827915A (en) | 2015-08-12 |
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ID=51498032
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410298756.9A Pending CN104044467A (en) | 2014-06-27 | 2014-06-27 | Direct-connection-type high-speed pantograph head |
| CN201510306662.6A Pending CN104827915A (en) | 2014-06-27 | 2015-06-06 | Streamline high-speed pantograph type current collector head |
| CN201520384475.5U Expired - Fee Related CN204774689U (en) | 2014-06-27 | 2015-06-06 | High -speed pantograph bow of streamline form |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410298756.9A Pending CN104044467A (en) | 2014-06-27 | 2014-06-27 | Direct-connection-type high-speed pantograph head |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520384475.5U Expired - Fee Related CN204774689U (en) | 2014-06-27 | 2015-06-06 | High -speed pantograph bow of streamline form |
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| CN (3) | CN104044467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541832A (en) * | 2015-09-16 | 2017-03-29 | 莫傲 | For the anti-off-line pantograph of electric locomotive |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044467A (en) * | 2014-06-27 | 2014-09-17 | 李丰良 | Direct-connection-type high-speed pantograph head |
| CN106364324B (en) * | 2016-10-17 | 2018-12-14 | 中车株洲电力机车有限公司 | A kind of bow shaft articulated structure and pantograph collector head |
| CN108666840A (en) * | 2018-08-27 | 2018-10-16 | 天津益昌电气设备股份有限公司 | A kind of chain-type is mute by stream boots |
| CN109895413B (en) * | 2019-04-02 | 2021-10-26 | 株洲时代新材料科技股份有限公司 | Insulating bow angle manufacturing method and electric locomotive pantograph |
| CN114435139B (en) * | 2022-04-08 | 2022-06-17 | 西南交通大学 | Magnetic repulsion type suspension pantograph |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19735429A1 (en) * | 1997-08-15 | 1999-02-18 | Schunk Kohlenstofftechnik Gmbh | Current pick-up for esp. track vehicle with rocker and carrier for at least one collector shoe |
| JP2005185058A (en) * | 2003-12-22 | 2005-07-07 | Central Japan Railway Co | Pantograph-supporting insulator and pantographing device |
| CN201932010U (en) * | 2010-12-29 | 2011-08-17 | 李丰良 | Head of high-speed pantograph |
| CN103042931A (en) * | 2013-01-28 | 2013-04-17 | 李丰良 | Fish belly high speed pantographic slipper |
| CN104044467A (en) * | 2014-06-27 | 2014-09-17 | 李丰良 | Direct-connection-type high-speed pantograph head |
-
2014
- 2014-06-27 CN CN201410298756.9A patent/CN104044467A/en active Pending
-
2015
- 2015-06-06 CN CN201510306662.6A patent/CN104827915A/en active Pending
- 2015-06-06 CN CN201520384475.5U patent/CN204774689U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19735429A1 (en) * | 1997-08-15 | 1999-02-18 | Schunk Kohlenstofftechnik Gmbh | Current pick-up for esp. track vehicle with rocker and carrier for at least one collector shoe |
| JP2005185058A (en) * | 2003-12-22 | 2005-07-07 | Central Japan Railway Co | Pantograph-supporting insulator and pantographing device |
| CN201932010U (en) * | 2010-12-29 | 2011-08-17 | 李丰良 | Head of high-speed pantograph |
| CN103042931A (en) * | 2013-01-28 | 2013-04-17 | 李丰良 | Fish belly high speed pantographic slipper |
| CN104044467A (en) * | 2014-06-27 | 2014-09-17 | 李丰良 | Direct-connection-type high-speed pantograph head |
| CN204774689U (en) * | 2014-06-27 | 2015-11-18 | 李丰良 | High -speed pantograph bow of streamline form |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541832A (en) * | 2015-09-16 | 2017-03-29 | 莫傲 | For the anti-off-line pantograph of electric locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204774689U (en) | 2015-11-18 |
| CN104044467A (en) | 2014-09-17 |
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